cli: Rename to babeltrace2
authorMichael Jeanson <mjeanson@efficios.com>
Tue, 4 Jun 2019 18:22:42 +0000 (14:22 -0400)
committerJérémie Galarneau <jeremie.galarneau@efficios.com>
Thu, 13 Jun 2019 21:24:22 +0000 (17:24 -0400)
We decided to make babeltrace2 co-installable with babeltrace1 since it
offers backward compatibility but is not a full drop in replacement.

This first change renames the command line executables.

Change-Id: I52db05629b6349a5221f6b684cb15b289db8c6b3
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Reviewed-on: https://review.lttng.org/c/babeltrace/+/1402
Tested-by: jenkins
Reviewed-by: Philippe Proulx <eeppeliteloop@gmail.com>
25 files changed:
.gitignore
cli/Makefile.am
cli/babeltrace-cfg-cli-args-connect.c [deleted file]
cli/babeltrace-cfg-cli-args-connect.h [deleted file]
cli/babeltrace-cfg-cli-args-default.c [deleted file]
cli/babeltrace-cfg-cli-args-default.h [deleted file]
cli/babeltrace-cfg-cli-args.c [deleted file]
cli/babeltrace-cfg-cli-args.h [deleted file]
cli/babeltrace-cfg.c [deleted file]
cli/babeltrace-cfg.h [deleted file]
cli/babeltrace-log.c [deleted file]
cli/babeltrace.c [deleted file]
cli/babeltrace2-cfg-cli-args-connect.c [new file with mode: 0644]
cli/babeltrace2-cfg-cli-args-connect.h [new file with mode: 0644]
cli/babeltrace2-cfg-cli-args-default.c [new file with mode: 0644]
cli/babeltrace2-cfg-cli-args-default.h [new file with mode: 0644]
cli/babeltrace2-cfg-cli-args.c [new file with mode: 0644]
cli/babeltrace2-cfg-cli-args.h [new file with mode: 0644]
cli/babeltrace2-cfg.c [new file with mode: 0644]
cli/babeltrace2-cfg.h [new file with mode: 0644]
cli/babeltrace2-log.c [new file with mode: 0644]
cli/babeltrace2.c [new file with mode: 0644]
configure.ac
tests/cli/test_trace_read.in
tests/utils/common.sh.in

index f828aa1984ab6cb9f31e6ae83647cae921551f57..ac30a452954c5d54ad0a3acd4f667534490cbde8 100644 (file)
@@ -62,10 +62,10 @@ plugins/ctf/common/metadata/lexer.c
 plugins/ctf/common/metadata/parser.c
 plugins/ctf/common/metadata/parser.h
 plugins/ctf/common/metadata/parser.output
-/cli/babeltrace
-/cli/babeltrace.bin
-/cli/babeltrace-log
-/cli/babeltrace-log.bin
+/cli/babeltrace2
+/cli/babeltrace2.bin
+/cli/babeltrace2-log
+/cli/babeltrace2-log.bin
 /include/config.h
 /include/config.h.in
 /include/version.i
index ed309d026b2edbae589c175fcbfbc902c8b3278e..1ae510496ce27da468fb0a3cf75dd8a56af8a663 100644 (file)
@@ -13,25 +13,25 @@ endif
 
 AM_CPPFLAGS += '-DCONFIG_IN_TREE_PLUGIN_PATH="$(IN_TREE_PLUGIN_PATH)"'
 
-bin_PROGRAMS = babeltrace.bin babeltrace-log.bin
-noinst_PROGRAMS = babeltrace babeltrace-log
+bin_PROGRAMS = babeltrace2.bin babeltrace2-log.bin
+noinst_PROGRAMS = babeltrace2 babeltrace2-log
 
-babeltrace_bin_SOURCES = \
-       babeltrace.c \
-       babeltrace-cfg.c \
-       babeltrace-cfg.h \
-       babeltrace-cfg-cli-args.c \
-       babeltrace-cfg-cli-args.h \
-       babeltrace-cfg-cli-args-connect.c \
-       babeltrace-cfg-cli-args-connect.h \
-       babeltrace-cfg-cli-args-default.h \
-       babeltrace-cfg-cli-args-default.c \
+babeltrace2_bin_SOURCES = \
+       babeltrace2.c \
+       babeltrace2-cfg.c \
+       babeltrace2-cfg.h \
+       babeltrace2-cfg-cli-args.c \
+       babeltrace2-cfg-cli-args.h \
+       babeltrace2-cfg-cli-args-connect.c \
+       babeltrace2-cfg-cli-args-connect.h \
+       babeltrace2-cfg-cli-args-default.h \
+       babeltrace2-cfg-cli-args-default.c \
        logging.c logging.h
 
 # -Wl,--no-as-needed is needed for recent gold linker who seems to think
 # it knows better and considers libraries with constructors having
 # side-effects as dead code.
-babeltrace_bin_LDFLAGS = $(LD_NO_AS_NEEDED)
+babeltrace2_bin_LDFLAGS = $(LD_NO_AS_NEEDED)
 
 # Add all the convenience libraries used by Babeltrace plugins and the
 # library. They will be used when embedding plugins (--enable-built-in-plugins),
@@ -40,7 +40,7 @@ babeltrace_bin_LDFLAGS = $(LD_NO_AS_NEEDED)
 # we're using --whole-archive below (needed to make sure the linker does
 # not discard the plugins since the CLI does not use their symbols
 # directly).
-babeltrace_bin_LDADD = \
+babeltrace2_bin_LDADD = \
        $(top_builddir)/lib/libbabeltrace.la \
        $(top_builddir)/compat/libcompat.la \
        $(top_builddir)/common/libbabeltrace-common.la \
@@ -65,36 +65,36 @@ if ENABLE_BUILT_IN_PLUGINS
 pluginarchive = $(LD_WHOLE_ARCHIVE)$(PLUGINS_PATH)/$(1)/.libs/babeltrace-plugin-$(1).a$(LD_NO_WHOLE_ARCHIVE)
 
 # Built-in plugins
-babeltrace_bin_LDFLAGS += $(call pluginarchive,ctf)
-babeltrace_bin_LDFLAGS += $(call pluginarchive,text)
-babeltrace_bin_LDFLAGS += $(call pluginarchive,utils)
+babeltrace2_bin_LDFLAGS += $(call pluginarchive,ctf)
+babeltrace2_bin_LDFLAGS += $(call pluginarchive,text)
+babeltrace2_bin_LDFLAGS += $(call pluginarchive,utils)
 
 if ENABLE_DEBUG_INFO
-babeltrace_bin_LDFLAGS += $(call pluginarchive,lttng-utils)
-babeltrace_bin_LDADD += $(ELFUTILS_LIBS)
+babeltrace2_bin_LDFLAGS += $(call pluginarchive,lttng-utils)
+babeltrace2_bin_LDADD += $(ELFUTILS_LIBS)
 endif
 endif
 
 if BABELTRACE_BUILD_WITH_MINGW
-babeltrace_bin_LDADD += -lws2_32 -lrpcrt4 -lintl -liconv -lole32 -lpthread
+babeltrace2_bin_LDADD += -lws2_32 -lrpcrt4 -lintl -liconv -lole32 -lpthread
 endif
 
 # Only used for in-tree execution and tests
-babeltrace_SOURCES = $(babeltrace_bin_SOURCES)
-babeltrace_LDFLAGS = $(babeltrace_bin_LDFLAGS)
-babeltrace_LDADD =     $(babeltrace_bin_LDADD)
-babeltrace_CFLAGS =    $(AM_CFLAGS) -DBT_SET_DEFAULT_IN_TREE_CONFIGURATION
+babeltrace2_SOURCES = $(babeltrace2_bin_SOURCES)
+babeltrace2_LDFLAGS = $(babeltrace2_bin_LDFLAGS)
+babeltrace2_LDADD = $(babeltrace2_bin_LDADD)
+babeltrace2_CFLAGS = $(AM_CFLAGS) -DBT_SET_DEFAULT_IN_TREE_CONFIGURATION
 
-# babeltrace-log rules and config below
-babeltrace_log_bin_SOURCES = babeltrace-log.c
-babeltrace_log_bin_LDADD = \
+# babeltrace2-log rules and config below
+babeltrace2_log_bin_SOURCES = babeltrace2-log.c
+babeltrace2_log_bin_LDADD = \
        $(top_builddir)/compat/libcompat.la \
        $(top_builddir)/common/libbabeltrace-common.la \
        $(top_builddir)/logging/libbabeltrace-logging.la \
        $(POPT_LIBS)
-babeltrace_log_bin_CFLAGS = $(AM_CFLAGS) '-DBT_CLI_PATH="$(abs_top_builddir)/cli/babeltrace$(EXEEXT)"'
+babeltrace2_log_bin_CFLAGS = $(AM_CFLAGS) '-DBT_CLI_PATH="$(abs_top_builddir)/cli/babeltrace2$(EXEEXT)"'
 
 # Only used for in-tree execution and tests
-babeltrace_log_SOURCES = $(babeltrace_log_bin_SOURCES)
-babeltrace_log_LDADD =         $(babeltrace_log_bin_LDADD)
-babeltrace_log_CFLAGS =        $(AM_CFLAGS) '-DBT_CLI_PATH="$(bindir)/babeltrace$(EXEEXT)"'
+babeltrace2_log_SOURCES = $(babeltrace2_log_bin_SOURCES)
+babeltrace2_log_LDADD = $(babeltrace2_log_bin_LDADD)
+babeltrace2_log_CFLAGS = $(AM_CFLAGS) '-DBT_CLI_PATH="$(bindir)/babeltrace2$(EXEEXT)"'
diff --git a/cli/babeltrace-cfg-cli-args-connect.c b/cli/babeltrace-cfg-cli-args-connect.c
deleted file mode 100644 (file)
index ff3bf91..0000000
+++ /dev/null
@@ -1,726 +0,0 @@
-/*
- * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <stdlib.h>
-#include <babeltrace/babeltrace.h>
-#include <babeltrace/common-internal.h>
-#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-cli-args-connect.h"
-
-static bool all_named_and_printable_in_array(GPtrArray *comps)
-{
-       size_t i;
-       bool all_named_and_printable = true;
-
-       for (i = 0; i < comps->len; i++) {
-               struct bt_config_component *comp = g_ptr_array_index(comps, i);
-
-               if (comp->instance_name->len == 0) {
-                       all_named_and_printable = false;
-                       goto end;
-               }
-
-               if (!bt_common_string_is_printable(comp->instance_name->str)) {
-                       all_named_and_printable = false;
-                       goto end;
-               }
-       }
-
-end:
-       return all_named_and_printable;
-}
-
-static bool all_named_and_printable(struct bt_config *cfg)
-{
-       return all_named_and_printable_in_array(cfg->cmd_data.run.sources) &&
-               all_named_and_printable_in_array(cfg->cmd_data.run.filters) &&
-               all_named_and_printable_in_array(cfg->cmd_data.run.sinks);
-}
-
-static struct bt_config_connection *bt_config_connection_create(const char *arg)
-{
-       struct bt_config_connection *cfg_connection;
-
-       cfg_connection = g_new0(struct bt_config_connection, 1);
-       if (!cfg_connection) {
-               goto error;
-       }
-
-       cfg_connection->upstream_comp_name = g_string_new(NULL);
-       if (!cfg_connection->upstream_comp_name) {
-               goto error;
-       }
-
-       cfg_connection->downstream_comp_name = g_string_new(NULL);
-       if (!cfg_connection->downstream_comp_name) {
-               goto error;
-       }
-
-       cfg_connection->upstream_port_glob = g_string_new("*");
-       if (!cfg_connection->upstream_port_glob) {
-               goto error;
-       }
-
-       cfg_connection->downstream_port_glob = g_string_new("*");
-       if (!cfg_connection->downstream_port_glob) {
-               goto error;
-       }
-
-       cfg_connection->arg = g_string_new(arg);
-       if (!cfg_connection->arg) {
-               goto error;
-       }
-
-       goto end;
-
-error:
-       g_free(cfg_connection);
-       cfg_connection = NULL;
-
-end:
-       return cfg_connection;
-}
-
-static bool validate_port_glob(const char *port_glob)
-{
-       bool is_valid = true;
-       const char *ch = port_glob;
-
-       BT_ASSERT(port_glob);
-
-       while (*ch != '\0') {
-               switch (*ch) {
-               case '\\':
-                       switch (ch[1]) {
-                       case '\0':
-                               goto end;
-                       default:
-                               ch += 2;
-                               continue;
-                       }
-               case '?':
-               case '[':
-                       /*
-                        * This is reserved for future use, to support
-                        * full globbing patterns. Those characters must
-                        * be escaped with `\`.
-                        */
-                       is_valid = false;
-                       goto end;
-               default:
-                       ch++;
-                       break;
-               }
-       }
-
-end:
-       return is_valid;
-}
-
-static int normalize_glob_pattern(GString *glob_pattern_gs)
-{
-       int ret = 0;
-       char *glob_pattern = strdup(glob_pattern_gs->str);
-
-       if (!glob_pattern) {
-               ret = -1;
-               goto end;
-       }
-
-       bt_common_normalize_star_glob_pattern(glob_pattern);
-       g_string_assign(glob_pattern_gs, glob_pattern);
-       free(glob_pattern);
-
-end:
-       return ret;
-}
-
-static struct bt_config_connection *cfg_connection_from_arg(const char *arg)
-{
-       const char *at = arg;
-       size_t end_pos;
-       struct bt_config_connection *cfg_conn = NULL;
-       GString *gs = NULL;
-       enum {
-               UPSTREAM_NAME,
-               DOWNSTREAM_NAME,
-               UPSTREAM_PORT_GLOB,
-               DOWNSTREAM_PORT_GLOB,
-       } state = UPSTREAM_NAME;
-
-       if (!bt_common_string_is_printable(arg)) {
-               goto error;
-       }
-
-       cfg_conn = bt_config_connection_create(arg);
-       if (!cfg_conn) {
-               goto error;
-       }
-
-       while (true) {
-               switch (state) {
-               case UPSTREAM_NAME:
-                       gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
-                       if (!gs || gs->len == 0) {
-                               goto error;
-                       }
-
-                       g_string_free(cfg_conn->upstream_comp_name, TRUE);
-                       cfg_conn->upstream_comp_name = gs;
-                       gs = NULL;
-
-                       if (at[end_pos] == ':') {
-                               state = DOWNSTREAM_NAME;
-                       } else if (at[end_pos] == '.') {
-                               state = UPSTREAM_PORT_GLOB;
-                       } else {
-                               goto error;
-                       }
-
-                       at += end_pos + 1;
-                       break;
-               case DOWNSTREAM_NAME:
-                       gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
-                       if (!gs || gs->len == 0) {
-                               goto error;
-                       }
-
-                       g_string_free(cfg_conn->downstream_comp_name, TRUE);
-                       cfg_conn->downstream_comp_name = gs;
-                       gs = NULL;
-
-                       if (at[end_pos] == '.') {
-                               state = DOWNSTREAM_PORT_GLOB;
-                       } else if (at[end_pos] == '\0') {
-                               goto end;
-                       } else {
-                               goto error;
-                       }
-
-                       at += end_pos + 1;
-                       break;
-               case UPSTREAM_PORT_GLOB:
-                       gs = bt_common_string_until(at, ".:", ".:", &end_pos);
-                       if (!gs || gs->len == 0) {
-                               goto error;
-                       }
-
-                       if (!validate_port_glob(gs->str)) {
-                               goto error;
-                       }
-
-                       if (normalize_glob_pattern(gs)) {
-                               goto error;
-                       }
-
-                       g_string_free(cfg_conn->upstream_port_glob, TRUE);
-                       cfg_conn->upstream_port_glob = gs;
-                       gs = NULL;
-
-                       if (at[end_pos] == ':') {
-                               state = DOWNSTREAM_NAME;
-                       } else {
-                               goto error;
-                       }
-
-                       at += end_pos + 1;
-                       break;
-               case DOWNSTREAM_PORT_GLOB:
-                       gs = bt_common_string_until(at, ".:", ".:", &end_pos);
-                       if (!gs || gs->len == 0) {
-                               goto error;
-                       }
-
-                       if (!validate_port_glob(gs->str)) {
-                               goto error;
-                       }
-
-                       if (normalize_glob_pattern(gs)) {
-                               goto error;
-                       }
-
-                       g_string_free(cfg_conn->downstream_port_glob, TRUE);
-                       cfg_conn->downstream_port_glob = gs;
-                       gs = NULL;
-
-                       if (at[end_pos] == '\0') {
-                               goto end;
-                       } else {
-                               goto error;
-                       }
-                       break;
-               default:
-                       abort();
-               }
-       }
-
-error:
-       bt_config_connection_destroy(cfg_conn);
-       cfg_conn = NULL;
-
-end:
-       if (gs) {
-               g_string_free(gs, TRUE);
-       }
-
-       return cfg_conn;
-}
-
-static struct bt_config_component *find_component_in_array(GPtrArray *comps,
-               const char *name)
-{
-       size_t i;
-       struct bt_config_component *found_comp = NULL;
-
-       for (i = 0; i < comps->len; i++) {
-               struct bt_config_component *comp = g_ptr_array_index(comps, i);
-
-               if (strcmp(name, comp->instance_name->str) == 0) {
-                       found_comp = comp;
-                       bt_object_get_ref(found_comp);
-                       goto end;
-               }
-       }
-
-end:
-       return found_comp;
-}
-
-static struct bt_config_component *find_component(struct bt_config *cfg,
-               const char *name)
-{
-       struct bt_config_component *comp;
-
-       comp = find_component_in_array(cfg->cmd_data.run.sources, name);
-       if (comp) {
-               goto end;
-       }
-
-       comp = find_component_in_array(cfg->cmd_data.run.filters, name);
-       if (comp) {
-               goto end;
-       }
-
-       comp = find_component_in_array(cfg->cmd_data.run.sinks, name);
-       if (comp) {
-               goto end;
-       }
-
-end:
-       return comp;
-}
-
-static int validate_all_endpoints_exist(struct bt_config *cfg, char *error_buf,
-               size_t error_buf_size)
-{
-       size_t i;
-       int ret = 0;
-
-       for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
-               struct bt_config_connection *connection =
-                       g_ptr_array_index(cfg->cmd_data.run.connections, i);
-               struct bt_config_component *comp;
-
-               comp = find_component(cfg, connection->upstream_comp_name->str);
-               bt_object_put_ref(comp);
-               if (!comp) {
-                       snprintf(error_buf, error_buf_size,
-                               "Invalid connection: cannot find upstream component `%s`:\n    %s\n",
-                               connection->upstream_comp_name->str,
-                               connection->arg->str);
-                       ret = -1;
-                       goto end;
-               }
-
-               comp = find_component(cfg, connection->downstream_comp_name->str);
-               bt_object_put_ref(comp);
-               if (!comp) {
-                       snprintf(error_buf, error_buf_size,
-                               "Invalid connection: cannot find downstream component `%s`:\n    %s\n",
-                               connection->downstream_comp_name->str,
-                               connection->arg->str);
-                       ret = -1;
-                       goto end;
-               }
-       }
-
-end:
-       return ret;
-}
-
-static int validate_connection_directions(struct bt_config *cfg,
-               char *error_buf, size_t error_buf_size)
-{
-       size_t i;
-       int ret = 0;
-       struct bt_config_component *src_comp = NULL;
-       struct bt_config_component *dst_comp = NULL;
-
-       for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
-               struct bt_config_connection *connection =
-                       g_ptr_array_index(cfg->cmd_data.run.connections, i);
-
-               src_comp = find_component(cfg,
-                       connection->upstream_comp_name->str);
-               BT_ASSERT(src_comp);
-               dst_comp = find_component(cfg,
-                       connection->downstream_comp_name->str);
-               BT_ASSERT(dst_comp);
-
-               if (src_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) {
-                       if (dst_comp->type != BT_COMPONENT_CLASS_TYPE_FILTER &&
-                                       dst_comp->type != BT_COMPONENT_CLASS_TYPE_SINK) {
-                               snprintf(error_buf, error_buf_size,
-                                       "Invalid connection: source component `%s` not connected to filter or sink component:\n    %s\n",
-                                       connection->upstream_comp_name->str,
-                                       connection->arg->str);
-                               ret = -1;
-                               goto end;
-                       }
-               } else if (src_comp->type == BT_COMPONENT_CLASS_TYPE_FILTER) {
-                       if (dst_comp->type != BT_COMPONENT_CLASS_TYPE_FILTER &&
-                                       dst_comp->type != BT_COMPONENT_CLASS_TYPE_SINK) {
-                               snprintf(error_buf, error_buf_size,
-                                       "Invalid connection: filter component `%s` not connected to filter or sink component:\n    %s\n",
-                                       connection->upstream_comp_name->str,
-                                       connection->arg->str);
-                               ret = -1;
-                               goto end;
-                       }
-               } else {
-                       snprintf(error_buf, error_buf_size,
-                               "Invalid connection: cannot connect sink component `%s` to component `%s`:\n    %s\n",
-                               connection->upstream_comp_name->str,
-                               connection->downstream_comp_name->str,
-                               connection->arg->str);
-                       ret = -1;
-                       goto end;
-               }
-
-               BT_OBJECT_PUT_REF_AND_RESET(src_comp);
-               BT_OBJECT_PUT_REF_AND_RESET(dst_comp);
-       }
-
-end:
-       bt_object_put_ref(src_comp);
-       bt_object_put_ref(dst_comp);
-       return ret;
-}
-
-static int validate_no_cycles_rec(struct bt_config *cfg, GPtrArray *path,
-               char *error_buf, size_t error_buf_size)
-{
-       int ret = 0;
-       size_t conn_i;
-       const char *src_comp_name;
-
-       BT_ASSERT(path && path->len > 0);
-       src_comp_name = g_ptr_array_index(path, path->len - 1);
-
-       for (conn_i = 0; conn_i < cfg->cmd_data.run.connections->len; conn_i++) {
-               struct bt_config_connection *conn =
-                       g_ptr_array_index(cfg->cmd_data.run.connections, conn_i);
-
-               if (strcmp(conn->upstream_comp_name->str, src_comp_name) == 0) {
-                       size_t path_i;
-
-                       for (path_i = 0; path_i < path->len; path_i++) {
-                               const char *comp_name =
-                                       g_ptr_array_index(path, path_i);
-
-                               if (strcmp(comp_name, conn->downstream_comp_name->str) == 0) {
-                                       snprintf(error_buf, error_buf_size,
-                                               "Invalid connection: connection forms a cycle:\n    %s\n",
-                                               conn->arg->str);
-                                       ret = -1;
-                                       goto end;
-                               }
-                       }
-
-                       g_ptr_array_add(path, conn->downstream_comp_name->str);
-                       ret = validate_no_cycles_rec(cfg, path, error_buf,
-                                       error_buf_size);
-                       if (ret) {
-                               goto end;
-                       }
-
-                       g_ptr_array_remove_index(path, path->len - 1);
-               }
-       }
-
-end:
-       return ret;
-}
-
-static int validate_no_cycles(struct bt_config *cfg, char *error_buf,
-               size_t error_buf_size)
-{
-       size_t i;
-       int ret = 0;
-       GPtrArray *path;
-
-       path = g_ptr_array_new();
-       if (!path) {
-               ret = -1;
-               goto end;
-       }
-
-       g_ptr_array_add(path, NULL);
-
-       for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
-               struct bt_config_connection *conn =
-                       g_ptr_array_index(cfg->cmd_data.run.connections, i);
-
-               g_ptr_array_index(path, 0) = conn->upstream_comp_name->str;
-               ret = validate_no_cycles_rec(cfg, path,
-                       error_buf, error_buf_size);
-               if (ret) {
-                       goto end;
-               }
-       }
-
-end:
-       if (path) {
-               g_ptr_array_free(path, TRUE);
-       }
-
-       return ret;
-}
-
-static int validate_all_components_connected_in_array(GPtrArray *comps,
-               const bt_value *connected_components,
-               char *error_buf, size_t error_buf_size)
-{
-       int ret = 0;
-       size_t i;
-
-       for (i = 0; i < comps->len; i++) {
-               struct bt_config_component *comp = g_ptr_array_index(comps, i);
-
-               if (!bt_value_map_has_entry(connected_components,
-                               comp->instance_name->str)) {
-                       snprintf(error_buf, error_buf_size,
-                               "Component `%s` is not connected\n",
-                               comp->instance_name->str);
-                       ret = -1;
-                       goto end;
-               }
-       }
-
-end:
-       return ret;
-}
-
-static int validate_all_components_connected(struct bt_config *cfg,
-               char *error_buf, size_t error_buf_size)
-{
-       size_t i;
-       int ret = 0;
-       bt_value *connected_components = bt_value_map_create();
-
-       if (!connected_components) {
-               ret = -1;
-               goto end;
-       }
-
-       for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
-               struct bt_config_connection *connection =
-                       g_ptr_array_index(cfg->cmd_data.run.connections, i);
-
-               ret = bt_value_map_insert_entry(connected_components,
-                       connection->upstream_comp_name->str, bt_value_null);
-               if (ret) {
-                       goto end;
-               }
-
-               ret = bt_value_map_insert_entry(connected_components,
-                       connection->downstream_comp_name->str, bt_value_null);
-               if (ret) {
-                       goto end;
-               }
-       }
-
-       ret = validate_all_components_connected_in_array(
-               cfg->cmd_data.run.sources,
-               connected_components,
-               error_buf, error_buf_size);
-       if (ret) {
-               goto end;
-       }
-
-       ret = validate_all_components_connected_in_array(
-               cfg->cmd_data.run.filters,
-               connected_components,
-               error_buf, error_buf_size);
-       if (ret) {
-               goto end;
-       }
-
-       ret = validate_all_components_connected_in_array(
-               cfg->cmd_data.run.sinks,
-               connected_components,
-               error_buf, error_buf_size);
-       if (ret) {
-               goto end;
-       }
-
-end:
-       bt_value_put_ref(connected_components);
-       return ret;
-}
-
-static int validate_no_duplicate_connection(struct bt_config *cfg,
-               char *error_buf, size_t error_buf_size)
-{
-       size_t i;
-       int ret = 0;
-       bt_value *flat_connection_names =
-               bt_value_map_create();
-       GString *flat_connection_name = NULL;
-
-       if (!flat_connection_names) {
-               ret = -1;
-               goto end;
-       }
-
-       flat_connection_name = g_string_new(NULL);
-       if (!flat_connection_name) {
-               ret = -1;
-               goto end;
-       }
-
-       for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
-               struct bt_config_connection *connection =
-                       g_ptr_array_index(cfg->cmd_data.run.connections, i);
-
-               g_string_printf(flat_connection_name, "%s\x01%s\x01%s\x01%s",
-                       connection->upstream_comp_name->str,
-                       connection->upstream_port_glob->str,
-                       connection->downstream_comp_name->str,
-                       connection->downstream_port_glob->str);
-
-               if (bt_value_map_has_entry(flat_connection_names,
-                                          flat_connection_name->str)) {
-                       snprintf(error_buf, error_buf_size,
-                               "Duplicate connection:\n    %s\n",
-                               connection->arg->str);
-                       ret = -1;
-                       goto end;
-               }
-
-               ret = bt_value_map_insert_entry(flat_connection_names,
-                       flat_connection_name->str, bt_value_null);
-               if (ret) {
-                       goto end;
-               }
-       }
-
-end:
-       bt_value_put_ref(flat_connection_names);
-
-       if (flat_connection_name) {
-               g_string_free(flat_connection_name, TRUE);
-       }
-
-       return ret;
-}
-
-static int validate_connections(struct bt_config *cfg, char *error_buf,
-               size_t error_buf_size)
-{
-       int ret;
-
-       ret = validate_all_endpoints_exist(cfg, error_buf, error_buf_size);
-       if (ret) {
-               goto end;
-       }
-
-       ret = validate_connection_directions(cfg, error_buf, error_buf_size);
-       if (ret) {
-               goto end;
-       }
-
-       ret = validate_all_components_connected(cfg, error_buf, error_buf_size);
-       if (ret) {
-               goto end;
-       }
-
-       ret = validate_no_duplicate_connection(cfg, error_buf, error_buf_size);
-       if (ret) {
-               goto end;
-       }
-
-       ret = validate_no_cycles(cfg, error_buf, error_buf_size);
-       if (ret) {
-               goto end;
-       }
-
-end:
-       return ret;
-}
-
-int bt_config_cli_args_create_connections(struct bt_config *cfg,
-               const bt_value *connection_args,
-               char *error_buf, size_t error_buf_size)
-{
-       int ret;
-       size_t i;
-
-       if (!all_named_and_printable(cfg)) {
-               snprintf(error_buf, error_buf_size,
-                       "One or more components are unnamed (use --name) or contain a non-printable character\n");
-               goto error;
-       }
-
-       for (i = 0; i < bt_value_array_get_size(connection_args); i++) {
-               const bt_value *arg_value =
-                       bt_value_array_borrow_element_by_index_const(
-                               connection_args, i);
-               const char *arg;
-               struct bt_config_connection *cfg_connection;
-
-               arg = bt_value_string_get(arg_value);
-               cfg_connection = cfg_connection_from_arg(arg);
-               if (!cfg_connection) {
-                       snprintf(error_buf, error_buf_size, "Cannot parse --connect option's argument:\n    %s\n",
-                               arg);
-                       goto error;
-               }
-
-               g_ptr_array_add(cfg->cmd_data.run.connections,
-                       cfg_connection);
-       }
-
-
-       ret = validate_connections(cfg, error_buf, error_buf_size);
-       if (ret) {
-               goto error;
-       }
-
-       goto end;
-
-error:
-       ret = -1;
-
-end:
-       return ret;
-}
diff --git a/cli/babeltrace-cfg-cli-args-connect.h b/cli/babeltrace-cfg-cli-args-connect.h
deleted file mode 100644 (file)
index 5e81f79..0000000
+++ /dev/null
@@ -1,36 +0,0 @@
-#ifndef CLI_BABELTRACE_CFG_CLI_ARGS_CONNECT_H
-#define CLI_BABELTRACE_CFG_CLI_ARGS_CONNECT_H
-
-/*
- * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <babeltrace/value.h>
-#include <glib.h>
-#include "babeltrace-cfg.h"
-
-int bt_config_cli_args_create_connections(struct bt_config *cfg,
-               const bt_value *connection_args,
-               char *error_buf, size_t error_buf_size);
-
-#endif /* CLI_BABELTRACE_CFG_CLI_ARGS_CONNECT_H */
diff --git a/cli/babeltrace-cfg-cli-args-default.c b/cli/babeltrace-cfg-cli-args-default.c
deleted file mode 100644 (file)
index ec7b480..0000000
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- * Copyright 2017 - Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <babeltrace/babeltrace.h>
-#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-cli-args.h"
-#include "babeltrace-cfg-cli-args-default.h"
-
-#ifdef ENABLE_DEBUG_INFO
-# define BT_ENABLE_DEBUG_INFO  1
-#else
-# define BT_ENABLE_DEBUG_INFO  0
-#endif
-
-#ifdef BT_SET_DEFAULT_IN_TREE_CONFIGURATION
-
-struct bt_config *bt_config_cli_args_create_with_default(int argc,
-               const char *argv[], int *retcode)
-{
-       bt_value *initial_plugin_paths;
-       struct bt_config *cfg = NULL;
-       int ret;
-
-       initial_plugin_paths = bt_value_array_create();
-       if (!initial_plugin_paths) {
-               goto error;
-       }
-
-       ret = bt_config_append_plugin_paths(initial_plugin_paths,
-               CONFIG_IN_TREE_PLUGIN_PATH);
-       if (ret) {
-               goto error;
-       }
-
-       cfg = bt_config_cli_args_create(argc, argv, retcode, true, true,
-               initial_plugin_paths);
-       goto end;
-
-error:
-       *retcode = 1;
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       bt_value_put_ref(initial_plugin_paths);
-       return cfg;
-}
-
-#else /* BT_SET_DEFAULT_IN_TREE_CONFIGURATION */
-
-struct bt_config *bt_config_cli_args_create_with_default(int argc,
-               const char *argv[], int *retcode)
-{
-       return bt_config_cli_args_create(argc, argv, retcode, false, false,
-               NULL);
-}
-
-#endif /* BT_SET_DEFAULT_IN_TREE_CONFIGURATION */
diff --git a/cli/babeltrace-cfg-cli-args-default.h b/cli/babeltrace-cfg-cli-args-default.h
deleted file mode 100644 (file)
index e62b140..0000000
+++ /dev/null
@@ -1,33 +0,0 @@
-#ifndef CLI_BABELTRACE_CFG_CLI_ARGS_DEFAULT_H
-#define CLI_BABELTRACE_CFG_CLI_ARGS_DEFAULT_H
-
-/*
- * Babeltrace Trace Converter - Default Configuration
- *
- * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include "babeltrace-cfg.h"
-
-struct bt_config *bt_config_cli_args_create_with_default(int argc,
-               const char *argv[], int *retcode);
-
-#endif /* CLI_BABELTRACE_CFG_CLI_ARGS_DEFAULT_H */
diff --git a/cli/babeltrace-cfg-cli-args.c b/cli/babeltrace-cfg-cli-args.c
deleted file mode 100644 (file)
index 05193d3..0000000
+++ /dev/null
@@ -1,5107 +0,0 @@
-/*
- * Babeltrace trace converter - parameter parsing
- *
- * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#define BT_LOG_TAG "CLI-CFG-CLI-ARGS"
-#include "logging.h"
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <babeltrace/assert-internal.h>
-#include <stdio.h>
-#include <stdbool.h>
-#include <inttypes.h>
-#include <babeltrace/babeltrace.h>
-#include <babeltrace/common-internal.h>
-#include <popt.h>
-#include <glib.h>
-#include <sys/types.h>
-#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-cli-args.h"
-#include "babeltrace-cfg-cli-args-connect.h"
-#include "version.h"
-
-/*
- * Error printf() macro which prepends "Error: " the first time it's
- * called. This gives a nicer feel than having a bunch of error prefixes
- * (since the following lines usually describe the error and possible
- * solutions), or the error prefix just at the end.
- */
-#define printf_err(fmt, args...)                                       \
-       do {                                                            \
-               if (is_first_error) {                                   \
-                       fprintf(stderr, "Command line error: ");        \
-                       is_first_error = false;                         \
-               }                                                       \
-               fprintf(stderr, fmt, ##args);                           \
-       } while (0)
-
-static bool is_first_error = true;
-
-/* INI-style parsing FSM states */
-enum ini_parsing_fsm_state {
-       /* Expect a map key (identifier) */
-       INI_EXPECT_MAP_KEY,
-
-       /* Expect an equal character ('=') */
-       INI_EXPECT_EQUAL,
-
-       /* Expect a value */
-       INI_EXPECT_VALUE,
-
-       /* Expect a comma character (',') */
-       INI_EXPECT_COMMA,
-};
-
-/* INI-style parsing state variables */
-struct ini_parsing_state {
-       /* Lexical scanner (owned by this) */
-       GScanner *scanner;
-
-       /* Output map value object being filled (owned by this) */
-       bt_value *params;
-
-       /* Next expected FSM state */
-       enum ini_parsing_fsm_state expecting;
-
-       /* Last decoded map key (owned by this) */
-       char *last_map_key;
-
-       /* Complete INI-style string to parse (not owned by this) */
-       const char *arg;
-
-       /* Error buffer (not owned by this) */
-       GString *ini_error;
-};
-
-/* Offset option with "is set" boolean */
-struct offset_opt {
-       int64_t value;
-       bool is_set;
-};
-
-/* Legacy "ctf"/"lttng-live" format options */
-struct ctf_legacy_opts {
-       struct offset_opt offset_s;
-       struct offset_opt offset_ns;
-       bool stream_intersection;
-};
-
-/* Legacy "text" format options */
-struct text_legacy_opts {
-       /*
-        * output, dbg_info_dir, dbg_info_target_prefix, names,
-        * and fields are owned by this.
-        */
-       GString *output;
-       GString *dbg_info_dir;
-       GString *dbg_info_target_prefix;
-       const bt_value *names;
-       const bt_value *fields;
-
-       /* Flags */
-       bool no_delta;
-       bool clock_cycles;
-       bool clock_seconds;
-       bool clock_date;
-       bool clock_gmt;
-       bool dbg_info_full_path;
-       bool verbose;
-};
-
-/* Legacy input format format */
-enum legacy_input_format {
-       LEGACY_INPUT_FORMAT_NONE = 0,
-       LEGACY_INPUT_FORMAT_CTF,
-       LEGACY_INPUT_FORMAT_LTTNG_LIVE,
-};
-
-/* Legacy output format format */
-enum legacy_output_format {
-       LEGACY_OUTPUT_FORMAT_NONE = 0,
-       LEGACY_OUTPUT_FORMAT_TEXT,
-       LEGACY_OUTPUT_FORMAT_DUMMY,
-};
-
-/*
- * Prints the "out of memory" error.
- */
-static
-void print_err_oom(void)
-{
-       printf_err("Out of memory\n");
-}
-
-/*
- * Appends an "expecting token" error to the INI-style parsing state's
- * error buffer.
- */
-static
-void ini_append_error_expecting(struct ini_parsing_state *state,
-               GScanner *scanner, const char *expecting)
-{
-       size_t i;
-       size_t pos;
-
-       g_string_append_printf(state->ini_error, "Expecting %s:\n", expecting);
-
-       /* Only print error if there's one line */
-       if (strchr(state->arg, '\n') != NULL || strlen(state->arg) == 0) {
-               return;
-       }
-
-       g_string_append_printf(state->ini_error, "\n    %s\n", state->arg);
-       pos = g_scanner_cur_position(scanner) + 4;
-
-       if (!g_scanner_eof(scanner)) {
-               pos--;
-       }
-
-       for (i = 0; i < pos; ++i) {
-               g_string_append_printf(state->ini_error, " ");
-       }
-
-       g_string_append_printf(state->ini_error, "^\n\n");
-}
-
-/* Parse the next token as an unsigned integer. */
-static
-bt_value *ini_parse_uint(struct ini_parsing_state *state)
-{
-       bt_value *value = NULL;
-       GTokenType token_type = g_scanner_get_next_token(state->scanner);
-
-       if (token_type != G_TOKEN_INT) {
-               ini_append_error_expecting(state, state->scanner,
-                       "integer value");
-               goto end;
-       }
-
-       value = bt_value_unsigned_integer_create_init(
-               state->scanner->value.v_int64);
-
-end:
-       return value;
-}
-
-/* Parse the next token as a number and return its negation. */
-static
-bt_value *ini_parse_neg_number(struct ini_parsing_state *state)
-{
-       bt_value *value = NULL;
-       GTokenType token_type = g_scanner_get_next_token(state->scanner);
-
-       switch (token_type) {
-       case G_TOKEN_INT:
-       {
-               /* Negative integer */
-               uint64_t int_val = state->scanner->value.v_int64;
-
-               if (int_val > (((uint64_t) INT64_MAX) + 1)) {
-                       g_string_append_printf(state->ini_error,
-                               "Integer value -%" PRIu64 " is outside the range of a 64-bit signed integer\n",
-                               int_val);
-               } else {
-                       value = bt_value_signed_integer_create_init(
-                               -((int64_t) int_val));
-               }
-
-               break;
-       }
-       case G_TOKEN_FLOAT:
-               /* Negative floating point number */
-               value = bt_value_real_create_init(-state->scanner->value.v_float);
-               break;
-       default:
-               ini_append_error_expecting(state, state->scanner, "value");
-               break;
-       }
-
-       return value;
-}
-
-static bt_value *ini_parse_value(struct ini_parsing_state *state);
-
-/*
- * Parse the current and following tokens as an array.  Arrays are formatted as
- * an opening `[`, a list of comma-separated values and a closing `]`.  For
- * convenience we support an optional trailing comma, after the last value.
- *
- * The current token of the parser must be the opening square bracket of the
- * array.
- */
-static
-bt_value *ini_parse_array(struct ini_parsing_state *state)
-{
-       /* The [ character must have already been ingested. */
-       BT_ASSERT(g_scanner_cur_token(state->scanner) == G_TOKEN_CHAR);
-       BT_ASSERT(g_scanner_cur_value(state->scanner).v_char == '[');
-
-       bt_value *array_value;
-       GTokenType token_type;
-
-       array_value = bt_value_array_create ();
-       token_type = g_scanner_get_next_token(state->scanner);
-
-       /* While the current token is not a ]... */
-       while (!(token_type == G_TOKEN_CHAR && g_scanner_cur_value(state->scanner).v_char == ']')) {
-               /* Parse the item... */
-               bt_value *item_value;
-               bt_value_status status;
-
-               item_value = ini_parse_value(state);
-               if (!item_value) {
-                       goto error;
-               }
-
-               /* ... and add it to the result array. */
-               status = bt_value_array_append_element(array_value, item_value);
-               BT_VALUE_PUT_REF_AND_RESET(item_value);
-
-               if (status != BT_VALUE_STATUS_OK) {
-                       goto error;
-               }
-
-               /*
-                * Ingest the token following the value, it should be either a
-                * comma or closing square brace.
-                */
-               token_type = g_scanner_get_next_token(state->scanner);
-
-               if (token_type == G_TOKEN_CHAR && g_scanner_cur_value(state->scanner).v_char == ',') {
-                       /*
-                        * Ingest the token following the comma.  If it happens
-                        * to be a closing square bracket, we'll exit the loop
-                        * and we are done (we allow trailing commas).
-                        * Otherwise, we are ready for the next ini_parse_value call.
-                        */
-                       token_type = g_scanner_get_next_token(state->scanner);
-               } else if (token_type != G_TOKEN_CHAR || g_scanner_cur_value(state->scanner).v_char != ']') {
-                       ini_append_error_expecting(state, state->scanner, ", or ]");
-                       goto error;
-               }
-       }
-
-       goto end;
-
-error:
-       BT_VALUE_PUT_REF_AND_RESET(array_value);
-
-end:
-       return array_value;
-}
-
-/*
- * Parse the current token (and the following ones if needed) as a value, return
- * it as a bt_value.
- */
-static
-bt_value *ini_parse_value(struct ini_parsing_state *state)
-{
-       bt_value *value = NULL;
-       GTokenType token_type = state->scanner->token;
-
-       switch (token_type) {
-       case G_TOKEN_CHAR:
-               if (state->scanner->value.v_char == '-') {
-                       /* Negative number */
-                       value = ini_parse_neg_number(state);
-               } else if (state->scanner->value.v_char == '+') {
-                       /* Unsigned integer */
-                       value = ini_parse_uint(state);
-               } else if (state->scanner->value.v_char == '[') {
-                       /* Array */
-                       value = ini_parse_array(state);
-               } else {
-                       ini_append_error_expecting(state, state->scanner, "value");
-               }
-               break;
-       case G_TOKEN_INT:
-       {
-               /* Positive, signed integer */
-               uint64_t int_val = state->scanner->value.v_int64;
-
-               if (int_val > INT64_MAX) {
-                       g_string_append_printf(state->ini_error,
-                               "Integer value %" PRIu64 " is outside the range of a 64-bit signed integer\n",
-                               int_val);
-               } else {
-                       value = bt_value_signed_integer_create_init(
-                               (int64_t) int_val);
-               }
-               break;
-       }
-       case G_TOKEN_FLOAT:
-               /* Positive floating point number */
-               value = bt_value_real_create_init(state->scanner->value.v_float);
-               break;
-       case G_TOKEN_STRING:
-               /* Quoted string */
-               value = bt_value_string_create_init(state->scanner->value.v_string);
-               break;
-       case G_TOKEN_IDENTIFIER:
-       {
-               /*
-                * Using symbols would be appropriate here,
-                * but said symbols are allowed as map key,
-                * so it's easier to consider everything an
-                * identifier.
-                *
-                * If one of the known symbols is not
-                * recognized here, then fall back to creating
-                * a string value.
-                */
-               const char *id = state->scanner->value.v_identifier;
-
-               if (!strcmp(id, "null") || !strcmp(id, "NULL") ||
-                               !strcmp(id, "nul")) {
-                       value = bt_value_null;
-               } else if (!strcmp(id, "true") || !strcmp(id, "TRUE") ||
-                               !strcmp(id, "yes") ||
-                               !strcmp(id, "YES")) {
-                       value = bt_value_bool_create_init(true);
-               } else if (!strcmp(id, "false") ||
-                               !strcmp(id, "FALSE") ||
-                               !strcmp(id, "no") ||
-                               !strcmp(id, "NO")) {
-                       value = bt_value_bool_create_init(false);
-               } else {
-                       value = bt_value_string_create_init(id);
-               }
-               break;
-       }
-       default:
-               /* Unset value variable will trigger the error */
-               ini_append_error_expecting(state, state->scanner, "value");
-               break;
-       }
-
-       return value;
-}
-
-static
-int ini_handle_state(struct ini_parsing_state *state)
-{
-       int ret = 0;
-       GTokenType token_type;
-       bt_value *value = NULL;
-
-       token_type = g_scanner_get_next_token(state->scanner);
-       if (token_type == G_TOKEN_EOF) {
-               if (state->expecting != INI_EXPECT_COMMA) {
-                       switch (state->expecting) {
-                       case INI_EXPECT_EQUAL:
-                               ini_append_error_expecting(state,
-                                       state->scanner, "'='");
-                               break;
-                       case INI_EXPECT_VALUE:
-                               ini_append_error_expecting(state,
-                                       state->scanner, "value");
-                               break;
-                       case INI_EXPECT_MAP_KEY:
-                               ini_append_error_expecting(state,
-                                       state->scanner, "unquoted map key");
-                               break;
-                       default:
-                               break;
-                       }
-                       goto error;
-               }
-
-               /* We're done! */
-               ret = 1;
-               goto success;
-       }
-
-       switch (state->expecting) {
-       case INI_EXPECT_MAP_KEY:
-               if (token_type != G_TOKEN_IDENTIFIER) {
-                       ini_append_error_expecting(state, state->scanner,
-                               "unquoted map key");
-                       goto error;
-               }
-
-               free(state->last_map_key);
-               state->last_map_key =
-                       strdup(state->scanner->value.v_identifier);
-               if (!state->last_map_key) {
-                       g_string_append(state->ini_error,
-                               "Out of memory\n");
-                       goto error;
-               }
-
-               if (bt_value_map_has_entry(state->params,
-                                          state->last_map_key)) {
-                       g_string_append_printf(state->ini_error,
-                               "Duplicate parameter key: `%s`\n",
-                               state->last_map_key);
-                       goto error;
-               }
-
-               state->expecting = INI_EXPECT_EQUAL;
-               goto success;
-       case INI_EXPECT_EQUAL:
-               if (token_type != G_TOKEN_CHAR) {
-                       ini_append_error_expecting(state,
-                               state->scanner, "'='");
-                       goto error;
-               }
-
-               if (state->scanner->value.v_char != '=') {
-                       ini_append_error_expecting(state,
-                               state->scanner, "'='");
-                       goto error;
-               }
-
-               state->expecting = INI_EXPECT_VALUE;
-               goto success;
-       case INI_EXPECT_VALUE:
-       {
-               value = ini_parse_value(state);
-               if (!value) {
-                       goto error;
-               }
-
-               state->expecting = INI_EXPECT_COMMA;
-               goto success;
-       }
-       case INI_EXPECT_COMMA:
-               if (token_type != G_TOKEN_CHAR) {
-                       ini_append_error_expecting(state,
-                               state->scanner, "','");
-                       goto error;
-               }
-
-               if (state->scanner->value.v_char != ',') {
-                       ini_append_error_expecting(state,
-                               state->scanner, "','");
-                       goto error;
-               }
-
-               state->expecting = INI_EXPECT_MAP_KEY;
-               goto success;
-       default:
-               abort();
-       }
-
-error:
-       ret = -1;
-       goto end;
-
-success:
-       if (value) {
-               if (bt_value_map_insert_entry(state->params,
-                               state->last_map_key, value)) {
-                       /* Only override return value on error */
-                       ret = -1;
-               }
-       }
-
-end:
-       BT_VALUE_PUT_REF_AND_RESET(value);
-       return ret;
-}
-
-/*
- * Converts an INI-style argument to an equivalent map value object.
- *
- * Return value is owned by the caller.
- */
-static
-bt_value *bt_value_from_ini(const char *arg,
-               GString *ini_error)
-{
-       /* Lexical scanner configuration */
-       GScannerConfig scanner_config = {
-               /* Skip whitespaces */
-               .cset_skip_characters = " \t\n",
-
-               /* Identifier syntax is: [a-zA-Z_][a-zA-Z0-9_.:-]* */
-               .cset_identifier_first =
-                       G_CSET_a_2_z
-                       "_"
-                       G_CSET_A_2_Z,
-               .cset_identifier_nth =
-                       G_CSET_a_2_z
-                       "_0123456789-.:"
-                       G_CSET_A_2_Z,
-
-               /* "hello" and "Hello" two different keys */
-               .case_sensitive = TRUE,
-
-               /* No comments */
-               .cpair_comment_single = NULL,
-               .skip_comment_multi = TRUE,
-               .skip_comment_single = TRUE,
-               .scan_comment_multi = FALSE,
-
-               /*
-                * Do scan identifiers, including 1-char identifiers,
-                * but NULL is a normal identifier.
-                */
-               .scan_identifier = TRUE,
-               .scan_identifier_1char = TRUE,
-               .scan_identifier_NULL = FALSE,
-
-               /*
-                * No specific symbols: null and boolean "symbols" are
-                * scanned as plain identifiers.
-                */
-               .scan_symbols = FALSE,
-               .symbol_2_token = FALSE,
-               .scope_0_fallback = FALSE,
-
-               /*
-                * Scan "0b"-, "0"-, and "0x"-prefixed integers, but not
-                * integers prefixed with "$".
-                */
-               .scan_binary = TRUE,
-               .scan_octal = TRUE,
-               .scan_float = TRUE,
-               .scan_hex = TRUE,
-               .scan_hex_dollar = FALSE,
-
-               /* Convert scanned numbers to integer tokens */
-               .numbers_2_int = TRUE,
-
-               /* Support both integers and floating-point numbers */
-               .int_2_float = FALSE,
-
-               /* Scan integers as 64-bit signed integers */
-               .store_int64 = TRUE,
-
-               /* Only scan double-quoted strings */
-               .scan_string_sq = FALSE,
-               .scan_string_dq = TRUE,
-
-               /* Do not converter identifiers to string tokens */
-               .identifier_2_string = FALSE,
-
-               /* Scan characters as G_TOKEN_CHAR token */
-               .char_2_token = FALSE,
-       };
-       struct ini_parsing_state state = {
-               .scanner = NULL,
-               .params = NULL,
-               .expecting = INI_EXPECT_MAP_KEY,
-               .arg = arg,
-               .ini_error = ini_error,
-       };
-
-       state.params = bt_value_map_create();
-       if (!state.params) {
-               goto error;
-       }
-
-       state.scanner = g_scanner_new(&scanner_config);
-       if (!state.scanner) {
-               goto error;
-       }
-
-       /* Let the scan begin */
-       g_scanner_input_text(state.scanner, arg, strlen(arg));
-
-       while (true) {
-               int ret = ini_handle_state(&state);
-
-               if (ret < 0) {
-                       /* Error */
-                       goto error;
-               } else if (ret > 0) {
-                       /* Done */
-                       break;
-               }
-       }
-
-       goto end;
-
-error:
-       BT_VALUE_PUT_REF_AND_RESET(state.params);
-
-end:
-       if (state.scanner) {
-               g_scanner_destroy(state.scanner);
-       }
-
-       free(state.last_map_key);
-       return state.params;
-}
-
-/*
- * Returns the parameters map value object from a command-line
- * parameter option's argument.
- *
- * Return value is owned by the caller.
- */
-static
-bt_value *bt_value_from_arg(const char *arg)
-{
-       bt_value *params = NULL;
-       GString *ini_error = NULL;
-
-       ini_error = g_string_new(NULL);
-       if (!ini_error) {
-               print_err_oom();
-               goto end;
-       }
-
-       /* Try INI-style parsing */
-       params = bt_value_from_ini(arg, ini_error);
-       if (!params) {
-               printf_err("%s", ini_error->str);
-               goto end;
-       }
-
-end:
-       if (ini_error) {
-               g_string_free(ini_error, TRUE);
-       }
-
-       return params;
-}
-
-/*
- * Returns the plugin name, component class name, component class type,
- * and component name from a command-line --component option's argument.
- * arg must have the following format:
- *
- *     [NAME:]TYPE.PLUGIN.CLS
- *
- * where NAME is the optional component name, TYPE is either `source`,
- * `filter`, or `sink`, PLUGIN is the plugin name, and CLS is the
- * component class name.
- *
- * On success, both *plugin and *component are not NULL. *plugin
- * and *comp_cls are owned by the caller. On success, *name can be NULL
- * if no component class name was found, and *comp_cls_type is set.
- */
-static
-void plugin_comp_cls_names(const char *arg, char **name, char **plugin,
-               char **comp_cls, bt_component_class_type *comp_cls_type)
-{
-       const char *at = arg;
-       GString *gs_name = NULL;
-       GString *gs_comp_cls_type = NULL;
-       GString *gs_plugin = NULL;
-       GString *gs_comp_cls = NULL;
-       size_t end_pos;
-
-       BT_ASSERT(arg);
-       BT_ASSERT(plugin);
-       BT_ASSERT(comp_cls);
-       BT_ASSERT(comp_cls_type);
-
-       if (!bt_common_string_is_printable(arg)) {
-               printf_err("Argument contains a non-printable character\n");
-               goto error;
-       }
-
-       /* Parse the component name */
-       gs_name = bt_common_string_until(at, ".:\\", ":", &end_pos);
-       if (!gs_name) {
-               goto error;
-       }
-
-       if (arg[end_pos] == ':') {
-               at += end_pos + 1;
-       } else {
-               /* No name */
-               g_string_assign(gs_name, "");
-       }
-
-       /* Parse the component class type */
-       gs_comp_cls_type = bt_common_string_until(at, ".:\\", ".", &end_pos);
-       if (!gs_comp_cls_type || at[end_pos] == '\0') {
-               printf_err("Missing component class type (`source`, `filter`, or `sink`)\n");
-               goto error;
-       }
-
-       if (strcmp(gs_comp_cls_type->str, "source") == 0 ||
-                       strcmp(gs_comp_cls_type->str, "src") == 0) {
-               *comp_cls_type = BT_COMPONENT_CLASS_TYPE_SOURCE;
-       } else if (strcmp(gs_comp_cls_type->str, "filter") == 0 ||
-                       strcmp(gs_comp_cls_type->str, "flt") == 0) {
-               *comp_cls_type = BT_COMPONENT_CLASS_TYPE_FILTER;
-       } else if (strcmp(gs_comp_cls_type->str, "sink") == 0) {
-               *comp_cls_type = BT_COMPONENT_CLASS_TYPE_SINK;
-       } else {
-               printf_err("Unknown component class type: `%s`\n",
-                       gs_comp_cls_type->str);
-               goto error;
-       }
-
-       at += end_pos + 1;
-
-       /* Parse the plugin name */
-       gs_plugin = bt_common_string_until(at, ".:\\", ".", &end_pos);
-       if (!gs_plugin || gs_plugin->len == 0 || at[end_pos] == '\0') {
-               printf_err("Missing plugin or component class name\n");
-               goto error;
-       }
-
-       at += end_pos + 1;
-
-       /* Parse the component class name */
-       gs_comp_cls = bt_common_string_until(at, ".:\\", ".", &end_pos);
-       if (!gs_comp_cls || gs_comp_cls->len == 0) {
-               printf_err("Missing component class name\n");
-               goto error;
-       }
-
-       if (at[end_pos] != '\0') {
-               /* Found a non-escaped `.` */
-               goto error;
-       }
-
-       if (name) {
-               if (gs_name->len == 0) {
-                       *name = NULL;
-                       g_string_free(gs_name, TRUE);
-               } else {
-                       *name = gs_name->str;
-                       g_string_free(gs_name, FALSE);
-               }
-       } else {
-               g_string_free(gs_name, TRUE);
-       }
-
-       *plugin = gs_plugin->str;
-       *comp_cls = gs_comp_cls->str;
-       g_string_free(gs_plugin, FALSE);
-       g_string_free(gs_comp_cls, FALSE);
-       gs_name = NULL;
-       gs_plugin = NULL;
-       gs_comp_cls = NULL;
-       goto end;
-
-error:
-       if (name) {
-               *name = NULL;
-       }
-
-       *plugin = NULL;
-       *comp_cls = NULL;
-
-end:
-       if (gs_name) {
-               g_string_free(gs_name, TRUE);
-       }
-
-       if (gs_plugin) {
-               g_string_free(gs_plugin, TRUE);
-       }
-
-       if (gs_comp_cls) {
-               g_string_free(gs_comp_cls, TRUE);
-       }
-
-       if (gs_comp_cls_type) {
-               g_string_free(gs_comp_cls_type, TRUE);
-       }
-
-       return;
-}
-
-/*
- * Prints the Babeltrace version.
- */
-static
-void print_version(void)
-{
-       if (GIT_VERSION[0] == '\0') {
-               puts("Babeltrace " VERSION);
-       } else {
-               puts("Babeltrace " VERSION  " - " GIT_VERSION);
-       }
-}
-
-/*
- * Destroys a component configuration.
- */
-static
-void bt_config_component_destroy(bt_object *obj)
-{
-       struct bt_config_component *bt_config_component =
-               container_of(obj, struct bt_config_component, base);
-
-       if (!obj) {
-               goto end;
-       }
-
-       if (bt_config_component->plugin_name) {
-               g_string_free(bt_config_component->plugin_name, TRUE);
-       }
-
-       if (bt_config_component->comp_cls_name) {
-               g_string_free(bt_config_component->comp_cls_name, TRUE);
-       }
-
-       if (bt_config_component->instance_name) {
-               g_string_free(bt_config_component->instance_name, TRUE);
-       }
-
-       BT_VALUE_PUT_REF_AND_RESET(bt_config_component->params);
-       g_free(bt_config_component);
-
-end:
-       return;
-}
-
-/*
- * Creates a component configuration using the given plugin name and
- * component name. `plugin_name` and `comp_cls_name` are copied (belong
- * to the return value).
- *
- * Return value is owned by the caller.
- */
-static
-struct bt_config_component *bt_config_component_create(
-               bt_component_class_type type,
-               const char *plugin_name, const char *comp_cls_name)
-{
-       struct bt_config_component *cfg_component = NULL;
-
-       cfg_component = g_new0(struct bt_config_component, 1);
-       if (!cfg_component) {
-               print_err_oom();
-               goto error;
-       }
-
-       bt_object_init_shared(&cfg_component->base,
-               bt_config_component_destroy);
-       cfg_component->type = type;
-       cfg_component->plugin_name = g_string_new(plugin_name);
-       if (!cfg_component->plugin_name) {
-               print_err_oom();
-               goto error;
-       }
-
-       cfg_component->comp_cls_name = g_string_new(comp_cls_name);
-       if (!cfg_component->comp_cls_name) {
-               print_err_oom();
-               goto error;
-       }
-
-       cfg_component->instance_name = g_string_new(NULL);
-       if (!cfg_component->instance_name) {
-               print_err_oom();
-               goto error;
-       }
-
-       /* Start with empty parameters */
-       cfg_component->params = bt_value_map_create();
-       if (!cfg_component->params) {
-               print_err_oom();
-               goto error;
-       }
-
-       goto end;
-
-error:
-       BT_OBJECT_PUT_REF_AND_RESET(cfg_component);
-
-end:
-       return cfg_component;
-}
-
-/*
- * Creates a component configuration from a command-line --component
- * option's argument.
- */
-static
-struct bt_config_component *bt_config_component_from_arg(const char *arg)
-{
-       struct bt_config_component *cfg_comp = NULL;
-       char *name = NULL;
-       char *plugin_name = NULL;
-       char *comp_cls_name = NULL;
-       bt_component_class_type type;
-
-       plugin_comp_cls_names(arg, &name, &plugin_name, &comp_cls_name, &type);
-       if (!plugin_name || !comp_cls_name) {
-               goto error;
-       }
-
-       cfg_comp = bt_config_component_create(type, plugin_name, comp_cls_name);
-       if (!cfg_comp) {
-               goto error;
-       }
-
-       if (name) {
-               g_string_assign(cfg_comp->instance_name, name);
-       }
-
-       goto end;
-
-error:
-       BT_OBJECT_PUT_REF_AND_RESET(cfg_comp);
-
-end:
-       g_free(name);
-       g_free(plugin_name);
-       g_free(comp_cls_name);
-       return cfg_comp;
-}
-
-/*
- * Destroys a configuration.
- */
-static
-void bt_config_destroy(bt_object *obj)
-{
-       struct bt_config *cfg =
-               container_of(obj, struct bt_config, base);
-
-       if (!obj) {
-               goto end;
-       }
-
-       BT_VALUE_PUT_REF_AND_RESET(cfg->plugin_paths);
-
-       switch (cfg->command) {
-       case BT_CONFIG_COMMAND_RUN:
-               if (cfg->cmd_data.run.sources) {
-                       g_ptr_array_free(cfg->cmd_data.run.sources, TRUE);
-               }
-
-               if (cfg->cmd_data.run.filters) {
-                       g_ptr_array_free(cfg->cmd_data.run.filters, TRUE);
-               }
-
-               if (cfg->cmd_data.run.sinks) {
-                       g_ptr_array_free(cfg->cmd_data.run.sinks, TRUE);
-               }
-
-               if (cfg->cmd_data.run.connections) {
-                       g_ptr_array_free(cfg->cmd_data.run.connections,
-                               TRUE);
-               }
-               break;
-       case BT_CONFIG_COMMAND_LIST_PLUGINS:
-               break;
-       case BT_CONFIG_COMMAND_HELP:
-               BT_OBJECT_PUT_REF_AND_RESET(cfg->cmd_data.help.cfg_component);
-               break;
-       case BT_CONFIG_COMMAND_QUERY:
-               BT_OBJECT_PUT_REF_AND_RESET(cfg->cmd_data.query.cfg_component);
-
-               if (cfg->cmd_data.query.object) {
-                       g_string_free(cfg->cmd_data.query.object, TRUE);
-               }
-               break;
-       case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
-               if (cfg->cmd_data.print_ctf_metadata.path) {
-                       g_string_free(cfg->cmd_data.print_ctf_metadata.path,
-                               TRUE);
-                       g_string_free(
-                               cfg->cmd_data.print_ctf_metadata.output_path,
-                               TRUE);
-               }
-               break;
-       case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
-               if (cfg->cmd_data.print_lttng_live_sessions.url) {
-                       g_string_free(
-                               cfg->cmd_data.print_lttng_live_sessions.url,
-                               TRUE);
-                       g_string_free(
-                               cfg->cmd_data.print_lttng_live_sessions.output_path,
-                               TRUE);
-               }
-               break;
-       default:
-               abort();
-       }
-
-       g_free(cfg);
-
-end:
-       return;
-}
-
-static
-void destroy_glist_of_gstring(GList *list)
-{
-       GList *at;
-
-       if (!list) {
-               return;
-       }
-
-       for (at = list; at != NULL; at = g_list_next(at)) {
-               g_string_free(at->data, TRUE);
-       }
-
-       g_list_free(list);
-}
-
-/*
- * Creates a simple lexical scanner for parsing comma-delimited names
- * and fields.
- *
- * Return value is owned by the caller.
- */
-static
-GScanner *create_csv_identifiers_scanner(void)
-{
-       GScanner *scanner;
-       GScannerConfig scanner_config = {
-               .cset_skip_characters = " \t\n",
-               .cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "_",
-               .cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z ":_-",
-               .case_sensitive = TRUE,
-               .cpair_comment_single = NULL,
-               .skip_comment_multi = TRUE,
-               .skip_comment_single = TRUE,
-               .scan_comment_multi = FALSE,
-               .scan_identifier = TRUE,
-               .scan_identifier_1char = TRUE,
-               .scan_identifier_NULL = FALSE,
-               .scan_symbols = FALSE,
-               .symbol_2_token = FALSE,
-               .scope_0_fallback = FALSE,
-               .scan_binary = FALSE,
-               .scan_octal = FALSE,
-               .scan_float = FALSE,
-               .scan_hex = FALSE,
-               .scan_hex_dollar = FALSE,
-               .numbers_2_int = FALSE,
-               .int_2_float = FALSE,
-               .store_int64 = FALSE,
-               .scan_string_sq = FALSE,
-               .scan_string_dq = FALSE,
-               .identifier_2_string = FALSE,
-               .char_2_token = TRUE,
-       };
-
-       scanner = g_scanner_new(&scanner_config);
-       if (!scanner) {
-               print_err_oom();
-       }
-
-       return scanner;
-}
-
-/*
- * Converts a comma-delimited list of known names (--names option) to
- * an array value object containing those names as string value objects.
- *
- * Return value is owned by the caller.
- */
-static
-bt_value *names_from_arg(const char *arg)
-{
-       GScanner *scanner = NULL;
-       bt_value *names = NULL;
-       bool found_all = false, found_none = false, found_item = false;
-
-       names = bt_value_array_create();
-       if (!names) {
-               print_err_oom();
-               goto error;
-       }
-
-       scanner = create_csv_identifiers_scanner();
-       if (!scanner) {
-               goto error;
-       }
-
-       g_scanner_input_text(scanner, arg, strlen(arg));
-
-       while (true) {
-               GTokenType token_type = g_scanner_get_next_token(scanner);
-
-               switch (token_type) {
-               case G_TOKEN_IDENTIFIER:
-               {
-                       const char *identifier = scanner->value.v_identifier;
-
-                       if (!strcmp(identifier, "payload") ||
-                                       !strcmp(identifier, "args") ||
-                                       !strcmp(identifier, "arg")) {
-                               found_item = true;
-                               if (bt_value_array_append_string_element(names,
-                                               "payload")) {
-                                       goto error;
-                               }
-                       } else if (!strcmp(identifier, "context") ||
-                                       !strcmp(identifier, "ctx")) {
-                               found_item = true;
-                               if (bt_value_array_append_string_element(names,
-                                               "context")) {
-                                       goto error;
-                               }
-                       } else if (!strcmp(identifier, "scope") ||
-                                       !strcmp(identifier, "header")) {
-                               found_item = true;
-                               if (bt_value_array_append_string_element(names,
-                                               identifier)) {
-                                       goto error;
-                               }
-                       } else if (!strcmp(identifier, "all")) {
-                               found_all = true;
-                               if (bt_value_array_append_string_element(names,
-                                               identifier)) {
-                                       goto error;
-                               }
-                       } else if (!strcmp(identifier, "none")) {
-                               found_none = true;
-                               if (bt_value_array_append_string_element(names,
-                                               identifier)) {
-                                       goto error;
-                               }
-                       } else {
-                               printf_err("Unknown name: `%s`\n",
-                                       identifier);
-                               goto error;
-                       }
-                       break;
-               }
-               case G_TOKEN_COMMA:
-                       continue;
-               case G_TOKEN_EOF:
-                       goto end;
-               default:
-                       goto error;
-               }
-       }
-
-end:
-       if (found_none && found_all) {
-               printf_err("Only either `all` or `none` can be specified in the list given to the --names option, but not both.\n");
-               goto error;
-       }
-       /*
-        * Legacy behavior is to clear the defaults (show none) when at
-        * least one item is specified.
-        */
-       if (found_item && !found_none && !found_all) {
-               if (bt_value_array_append_string_element(names, "none")) {
-                       goto error;
-               }
-       }
-       if (scanner) {
-               g_scanner_destroy(scanner);
-       }
-       return names;
-
-error:
-       BT_VALUE_PUT_REF_AND_RESET(names);
-       if (scanner) {
-               g_scanner_destroy(scanner);
-       }
-       return names;
-}
-
-/*
- * Converts a comma-delimited list of known fields (--fields option) to
- * an array value object containing those fields as string
- * value objects.
- *
- * Return value is owned by the caller.
- */
-static
-bt_value *fields_from_arg(const char *arg)
-{
-       GScanner *scanner = NULL;
-       bt_value *fields;
-
-       fields = bt_value_array_create();
-       if (!fields) {
-               print_err_oom();
-               goto error;
-       }
-
-       scanner = create_csv_identifiers_scanner();
-       if (!scanner) {
-               goto error;
-       }
-
-       g_scanner_input_text(scanner, arg, strlen(arg));
-
-       while (true) {
-               GTokenType token_type = g_scanner_get_next_token(scanner);
-
-               switch (token_type) {
-               case G_TOKEN_IDENTIFIER:
-               {
-                       const char *identifier = scanner->value.v_identifier;
-
-                       if (!strcmp(identifier, "trace") ||
-                                       !strcmp(identifier, "trace:hostname") ||
-                                       !strcmp(identifier, "trace:domain") ||
-                                       !strcmp(identifier, "trace:procname") ||
-                                       !strcmp(identifier, "trace:vpid") ||
-                                       !strcmp(identifier, "loglevel") ||
-                                       !strcmp(identifier, "emf") ||
-                                       !strcmp(identifier, "callsite") ||
-                                       !strcmp(identifier, "all")) {
-                               if (bt_value_array_append_string_element(fields,
-                                               identifier)) {
-                                       goto error;
-                               }
-                       } else {
-                               printf_err("Unknown field: `%s`\n",
-                                       identifier);
-                               goto error;
-                       }
-                       break;
-               }
-               case G_TOKEN_COMMA:
-                       continue;
-               case G_TOKEN_EOF:
-                       goto end;
-               default:
-                       goto error;
-               }
-       }
-
-       goto end;
-
-error:
-       BT_VALUE_PUT_REF_AND_RESET(fields);
-
-end:
-       if (scanner) {
-               g_scanner_destroy(scanner);
-       }
-       return fields;
-}
-
-static
-void append_param_arg(GString *params_arg, const char *key, const char *value)
-{
-       BT_ASSERT(params_arg);
-       BT_ASSERT(key);
-       BT_ASSERT(value);
-
-       if (params_arg->len != 0) {
-               g_string_append_c(params_arg, ',');
-       }
-
-       g_string_append(params_arg, key);
-       g_string_append_c(params_arg, '=');
-       g_string_append(params_arg, value);
-}
-
-/*
- * Inserts the equivalent "prefix-NAME=yes" strings into params_arg
- * where the names are in names_array.
- */
-static
-int insert_flat_params_from_array(GString *params_arg,
-               const bt_value *names_array, const char *prefix)
-{
-       int ret = 0;
-       int i;
-       GString *tmpstr = NULL, *default_value = NULL;
-       bool default_set = false, non_default_set = false;
-
-       /*
-        * names_array may be NULL if no CLI options were specified to
-        * trigger its creation.
-        */
-       if (!names_array) {
-               goto end;
-       }
-
-       tmpstr = g_string_new(NULL);
-       if (!tmpstr) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-       default_value = g_string_new(NULL);
-       if (!default_value) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-       for (i = 0; i < bt_value_array_get_size(names_array); i++) {
-               const bt_value *str_obj =
-                       bt_value_array_borrow_element_by_index_const(names_array,
-                                                                    i);
-               const char *suffix;
-               bool is_default = false;
-
-               if (!str_obj) {
-                       printf_err("Unexpected error\n");
-                       ret = -1;
-                       goto end;
-               }
-
-               suffix = bt_value_string_get(str_obj);
-
-               g_string_assign(tmpstr, prefix);
-               g_string_append(tmpstr, "-");
-
-               /* Special-case for "all" and "none". */
-               if (!strcmp(suffix, "all")) {
-                       is_default = true;
-                       g_string_assign(default_value, "show");
-               } else if (!strcmp(suffix, "none")) {
-                       is_default = true;
-                       g_string_assign(default_value, "hide");
-               }
-               if (is_default) {
-                       default_set = true;
-                       g_string_append(tmpstr, "default");
-                       append_param_arg(params_arg, tmpstr->str,
-                               default_value->str);
-               } else {
-                       non_default_set = true;
-                       g_string_append(tmpstr, suffix);
-                       append_param_arg(params_arg, tmpstr->str, "yes");
-               }
-       }
-
-       /* Implicit field-default=hide if any non-default option is set. */
-       if (non_default_set && !default_set) {
-               g_string_assign(tmpstr, prefix);
-               g_string_append(tmpstr, "-default");
-               g_string_assign(default_value, "hide");
-               append_param_arg(params_arg, tmpstr->str, default_value->str);
-       }
-
-end:
-       if (default_value) {
-               g_string_free(default_value, TRUE);
-       }
-
-       if (tmpstr) {
-               g_string_free(tmpstr, TRUE);
-       }
-
-       return ret;
-}
-
-/* popt options */
-enum {
-       OPT_NONE = 0,
-       OPT_BASE_PARAMS,
-       OPT_BEGIN,
-       OPT_CLOCK_CYCLES,
-       OPT_CLOCK_DATE,
-       OPT_CLOCK_FORCE_CORRELATE,
-       OPT_CLOCK_GMT,
-       OPT_CLOCK_OFFSET,
-       OPT_CLOCK_OFFSET_NS,
-       OPT_CLOCK_SECONDS,
-       OPT_COLOR,
-       OPT_COMPONENT,
-       OPT_CONNECT,
-       OPT_DEBUG,
-       OPT_DEBUG_INFO,
-       OPT_DEBUG_INFO_DIR,
-       OPT_DEBUG_INFO_FULL_PATH,
-       OPT_DEBUG_INFO_TARGET_PREFIX,
-       OPT_END,
-       OPT_FIELDS,
-       OPT_HELP,
-       OPT_INPUT_FORMAT,
-       OPT_LIST,
-       OPT_NAME,
-       OPT_NAMES,
-       OPT_NO_DELTA,
-       OPT_OMIT_HOME_PLUGIN_PATH,
-       OPT_OMIT_SYSTEM_PLUGIN_PATH,
-       OPT_OUTPUT,
-       OPT_OUTPUT_FORMAT,
-       OPT_PARAMS,
-       OPT_PATH,
-       OPT_PLUGIN_PATH,
-       OPT_RESET_BASE_PARAMS,
-       OPT_RETRY_DURATION,
-       OPT_RUN_ARGS,
-       OPT_RUN_ARGS_0,
-       OPT_STREAM_INTERSECTION,
-       OPT_TIMERANGE,
-       OPT_URL,
-       OPT_VERBOSE,
-};
-
-enum bt_config_component_dest {
-       BT_CONFIG_COMPONENT_DEST_UNKNOWN = -1,
-       BT_CONFIG_COMPONENT_DEST_SOURCE,
-       BT_CONFIG_COMPONENT_DEST_FILTER,
-       BT_CONFIG_COMPONENT_DEST_SINK,
-};
-
-/*
- * Adds a configuration component to the appropriate configuration
- * array depending on the destination.
- */
-static
-void add_run_cfg_comp(struct bt_config *cfg,
-               struct bt_config_component *cfg_comp,
-               enum bt_config_component_dest dest)
-{
-       bt_object_get_ref(cfg_comp);
-
-       switch (dest) {
-       case BT_CONFIG_COMPONENT_DEST_SOURCE:
-               g_ptr_array_add(cfg->cmd_data.run.sources, cfg_comp);
-               break;
-       case BT_CONFIG_COMPONENT_DEST_FILTER:
-               g_ptr_array_add(cfg->cmd_data.run.filters, cfg_comp);
-               break;
-       case BT_CONFIG_COMPONENT_DEST_SINK:
-               g_ptr_array_add(cfg->cmd_data.run.sinks, cfg_comp);
-               break;
-       default:
-               abort();
-       }
-}
-
-static
-int add_run_cfg_comp_check_name(struct bt_config *cfg,
-               struct bt_config_component *cfg_comp,
-               enum bt_config_component_dest dest,
-               bt_value *instance_names)
-{
-       int ret = 0;
-
-       if (cfg_comp->instance_name->len == 0) {
-               printf_err("Found an unnamed component\n");
-               ret = -1;
-               goto end;
-       }
-
-       if (bt_value_map_has_entry(instance_names,
-                                  cfg_comp->instance_name->str)) {
-               printf_err("Duplicate component instance name:\n    %s\n",
-                       cfg_comp->instance_name->str);
-               ret = -1;
-               goto end;
-       }
-
-       if (bt_value_map_insert_entry(instance_names,
-                       cfg_comp->instance_name->str, bt_value_null)) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-       add_run_cfg_comp(cfg, cfg_comp, dest);
-
-end:
-       return ret;
-}
-
-static
-int append_env_var_plugin_paths(bt_value *plugin_paths)
-{
-       int ret = 0;
-       const char *envvar;
-
-       if (bt_common_is_setuid_setgid()) {
-               BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
-               goto end;
-       }
-
-       envvar = getenv("BABELTRACE_PLUGIN_PATH");
-       if (!envvar) {
-               goto end;
-       }
-
-       ret = bt_config_append_plugin_paths(plugin_paths, envvar);
-
-end:
-       if (ret) {
-               printf_err("Cannot append plugin paths from BABELTRACE_PLUGIN_PATH\n");
-       }
-
-       return ret;
-}
-
-static
-int append_home_and_system_plugin_paths(bt_value *plugin_paths,
-               bool omit_system_plugin_path, bool omit_home_plugin_path)
-{
-       int ret;
-
-       if (!omit_home_plugin_path) {
-               if (bt_common_is_setuid_setgid()) {
-                       BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
-               } else {
-                       char *home_plugin_dir =
-                               bt_common_get_home_plugin_path();
-
-                       if (home_plugin_dir) {
-                               ret = bt_config_append_plugin_paths(
-                                       plugin_paths, home_plugin_dir);
-                               free(home_plugin_dir);
-
-                               if (ret) {
-                                       printf_err("Invalid home plugin path\n");
-                                       goto error;
-                               }
-                       }
-               }
-       }
-
-       if (!omit_system_plugin_path) {
-               if (bt_config_append_plugin_paths(plugin_paths,
-                               bt_common_get_system_plugin_path())) {
-                       printf_err("Invalid system plugin path\n");
-                       goto error;
-               }
-       }
-       return 0;
-error:
-       printf_err("Cannot append home and system plugin paths\n");
-       return -1;
-}
-
-static
-int append_home_and_system_plugin_paths_cfg(struct bt_config *cfg)
-{
-       return append_home_and_system_plugin_paths(cfg->plugin_paths,
-               cfg->omit_system_plugin_path, cfg->omit_home_plugin_path);
-}
-
-static
-struct bt_config *bt_config_base_create(enum bt_config_command command,
-               const bt_value *initial_plugin_paths,
-               bool needs_plugins)
-{
-       struct bt_config *cfg;
-
-       /* Create config */
-       cfg = g_new0(struct bt_config, 1);
-       if (!cfg) {
-               print_err_oom();
-               goto error;
-       }
-
-       bt_object_init_shared(&cfg->base, bt_config_destroy);
-       cfg->command = command;
-       cfg->command_needs_plugins = needs_plugins;
-
-       if (initial_plugin_paths) {
-               bt_value *initial_plugin_paths_copy;
-
-               (void) bt_value_copy(initial_plugin_paths,
-                       &initial_plugin_paths_copy);
-               cfg->plugin_paths = initial_plugin_paths_copy;
-       } else {
-               cfg->plugin_paths = bt_value_array_create();
-               if (!cfg->plugin_paths) {
-                       print_err_oom();
-                       goto error;
-               }
-       }
-
-       goto end;
-
-error:
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       return cfg;
-}
-
-static
-struct bt_config *bt_config_run_create(
-               const bt_value *initial_plugin_paths)
-{
-       struct bt_config *cfg;
-
-       /* Create config */
-       cfg = bt_config_base_create(BT_CONFIG_COMMAND_RUN,
-               initial_plugin_paths, true);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->cmd_data.run.sources = g_ptr_array_new_with_free_func(
-               (GDestroyNotify) bt_object_put_ref);
-       if (!cfg->cmd_data.run.sources) {
-               print_err_oom();
-               goto error;
-       }
-
-       cfg->cmd_data.run.filters = g_ptr_array_new_with_free_func(
-               (GDestroyNotify) bt_object_put_ref);
-       if (!cfg->cmd_data.run.filters) {
-               print_err_oom();
-               goto error;
-       }
-
-       cfg->cmd_data.run.sinks = g_ptr_array_new_with_free_func(
-               (GDestroyNotify) bt_object_put_ref);
-       if (!cfg->cmd_data.run.sinks) {
-               print_err_oom();
-               goto error;
-       }
-
-       cfg->cmd_data.run.connections = g_ptr_array_new_with_free_func(
-               (GDestroyNotify) bt_config_connection_destroy);
-       if (!cfg->cmd_data.run.connections) {
-               print_err_oom();
-               goto error;
-       }
-
-       goto end;
-
-error:
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       return cfg;
-}
-
-static
-struct bt_config *bt_config_list_plugins_create(
-               const bt_value *initial_plugin_paths)
-{
-       struct bt_config *cfg;
-
-       /* Create config */
-       cfg = bt_config_base_create(BT_CONFIG_COMMAND_LIST_PLUGINS,
-               initial_plugin_paths, true);
-       if (!cfg) {
-               goto error;
-       }
-
-       goto end;
-
-error:
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       return cfg;
-}
-
-static
-struct bt_config *bt_config_help_create(
-               const bt_value *initial_plugin_paths)
-{
-       struct bt_config *cfg;
-
-       /* Create config */
-       cfg = bt_config_base_create(BT_CONFIG_COMMAND_HELP,
-               initial_plugin_paths, true);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->cmd_data.help.cfg_component =
-               bt_config_component_create(-1, NULL, NULL);
-       if (!cfg->cmd_data.help.cfg_component) {
-               goto error;
-       }
-
-       goto end;
-
-error:
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       return cfg;
-}
-
-static
-struct bt_config *bt_config_query_create(
-               const bt_value *initial_plugin_paths)
-{
-       struct bt_config *cfg;
-
-       /* Create config */
-       cfg = bt_config_base_create(BT_CONFIG_COMMAND_QUERY,
-               initial_plugin_paths, true);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->cmd_data.query.object = g_string_new(NULL);
-       if (!cfg->cmd_data.query.object) {
-               print_err_oom();
-               goto error;
-       }
-
-       goto end;
-
-error:
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       return cfg;
-}
-
-static
-struct bt_config *bt_config_print_ctf_metadata_create(
-               const bt_value *initial_plugin_paths)
-{
-       struct bt_config *cfg;
-
-       /* Create config */
-       cfg = bt_config_base_create(BT_CONFIG_COMMAND_PRINT_CTF_METADATA,
-               initial_plugin_paths, true);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->cmd_data.print_ctf_metadata.path = g_string_new(NULL);
-       if (!cfg->cmd_data.print_ctf_metadata.path) {
-               print_err_oom();
-               goto error;
-       }
-
-       cfg->cmd_data.print_ctf_metadata.output_path = g_string_new(NULL);
-       if (!cfg->cmd_data.print_ctf_metadata.output_path) {
-               print_err_oom();
-               goto error;
-       }
-
-       goto end;
-
-error:
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       return cfg;
-}
-
-static
-struct bt_config *bt_config_print_lttng_live_sessions_create(
-               const bt_value *initial_plugin_paths)
-{
-       struct bt_config *cfg;
-
-       /* Create config */
-       cfg = bt_config_base_create(BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS,
-               initial_plugin_paths, true);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->cmd_data.print_lttng_live_sessions.url = g_string_new(NULL);
-       if (!cfg->cmd_data.print_lttng_live_sessions.url) {
-               print_err_oom();
-               goto error;
-       }
-
-       cfg->cmd_data.print_lttng_live_sessions.output_path =
-               g_string_new(NULL);
-       if (!cfg->cmd_data.print_lttng_live_sessions.output_path) {
-               print_err_oom();
-               goto error;
-       }
-
-       goto end;
-
-error:
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       return cfg;
-}
-
-static
-int bt_config_append_plugin_paths_check_setuid_setgid(
-               bt_value *plugin_paths, const char *arg)
-{
-       int ret = 0;
-
-       if (bt_common_is_setuid_setgid()) {
-               BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
-               goto end;
-       }
-
-       if (bt_config_append_plugin_paths(plugin_paths, arg)) {
-               printf_err("Invalid --plugin-path option's argument:\n    %s\n",
-                       arg);
-               ret = -1;
-               goto end;
-       }
-
-end:
-       return ret;
-}
-
-/*
- * Prints the expected format for a --params option.
- */
-static
-void print_expected_params_format(FILE *fp)
-{
-       fprintf(fp, "Expected format of PARAMS\n");
-       fprintf(fp, "-------------------------\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "    PARAM=VALUE[,PARAM=VALUE]...\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "The parameter string is a comma-separated list of PARAM=VALUE assignments,\n");
-       fprintf(fp, "where PARAM is the parameter name (C identifier plus the [:.-] characters),\n");
-       fprintf(fp, "and VALUE can be one of:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "* `null`, `nul`, `NULL`: null value (no backticks).\n");
-       fprintf(fp, "* `true`, `TRUE`, `yes`, `YES`: true boolean value (no backticks).\n");
-       fprintf(fp, "* `false`, `FALSE`, `no`, `NO`: false boolean value (no backticks).\n");
-       fprintf(fp, "* Binary (`0b` prefix), octal (`0` prefix), decimal, or hexadecimal\n");
-       fprintf(fp, "  (`0x` prefix) unsigned (with `+` prefix) or signed 64-bit integer.\n");
-       fprintf(fp, "* Double precision floating point number (scientific notation is accepted).\n");
-       fprintf(fp, "* Unquoted string with no special characters, and not matching any of\n");
-       fprintf(fp, "  the null and boolean value symbols above.\n");
-       fprintf(fp, "* Double-quoted string (accepts escape characters).\n");
-       fprintf(fp, "* Array, formatted as an opening `[`, a list of comma-separated values\n");
-       fprintf(fp, "  (as described by the current list) and a closing `]`.\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "You can put whitespaces allowed around individual `=` and `,` symbols.\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Example:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "    many=null, fresh=yes, condition=false, squirrel=-782329,\n");
-       fprintf(fp, "    play=+23, observe=3.14, simple=beef, needs-quotes=\"some string\",\n");
-       fprintf(fp, "    escape.chars-are:allowed=\"this is a \\\" double quote\",\n");
-       fprintf(fp, "    things=[1, \"2\", 3]\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run\n");
-       fprintf(fp, "babeltrace from a shell.\n");
-}
-
-
-/*
- * Prints the help command usage.
- */
-static
-void print_help_usage(FILE *fp)
-{
-       fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] help [OPTIONS] PLUGIN\n");
-       fprintf(fp, "       babeltrace [GENERAL OPTIONS] help [OPTIONS] TYPE.PLUGIN.CLS\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "      --omit-home-plugin-path       Omit home plugins from plugin search path\n");
-       fprintf(fp, "                                    (~/.local/lib/babeltrace/plugins)\n");
-       fprintf(fp, "      --omit-system-plugin-path     Omit system plugins from plugin search path\n");
-       fprintf(fp, "      --plugin-path=PATH[:PATH]...  Add PATH to the list of paths from which\n");
-       fprintf(fp, "                                    dynamic plugins can be loaded\n");
-       fprintf(fp, "  -h, --help                        Show this help and quit\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "See `babeltrace --help` for the list of general options.\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Use `babeltrace list-plugins` to show the list of available plugins.\n");
-}
-
-static
-struct poptOption help_long_options[] = {
-       /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
-       { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
-       { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
-       { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
-       { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
-       { NULL, 0, '\0', NULL, 0, NULL, NULL },
-};
-
-/*
- * Creates a Babeltrace config object from the arguments of a help
- * command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_help_from_args(int argc, const char *argv[],
-               int *retcode, bool force_omit_system_plugin_path,
-               bool force_omit_home_plugin_path,
-               const bt_value *initial_plugin_paths)
-{
-       poptContext pc = NULL;
-       char *arg = NULL;
-       int opt;
-       int ret;
-       struct bt_config *cfg = NULL;
-       const char *leftover;
-       char *plugin_name = NULL, *comp_cls_name = NULL;
-
-       *retcode = 0;
-       cfg = bt_config_help_create(initial_plugin_paths);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->omit_system_plugin_path = force_omit_system_plugin_path;
-       cfg->omit_home_plugin_path = force_omit_home_plugin_path;
-       ret = append_env_var_plugin_paths(cfg->plugin_paths);
-       if (ret) {
-               goto error;
-       }
-
-       /* Parse options */
-       pc = poptGetContext(NULL, argc, (const char **) argv,
-               help_long_options, 0);
-       if (!pc) {
-               printf_err("Cannot get popt context\n");
-               goto error;
-       }
-
-       poptReadDefaultConfig(pc, 0);
-
-       while ((opt = poptGetNextOpt(pc)) > 0) {
-               arg = poptGetOptArg(pc);
-
-               switch (opt) {
-               case OPT_PLUGIN_PATH:
-                       if (bt_config_append_plugin_paths_check_setuid_setgid(
-                                       cfg->plugin_paths, arg)) {
-                               goto error;
-                       }
-                       break;
-               case OPT_OMIT_SYSTEM_PLUGIN_PATH:
-                       cfg->omit_system_plugin_path = true;
-                       break;
-               case OPT_OMIT_HOME_PLUGIN_PATH:
-                       cfg->omit_home_plugin_path = true;
-                       break;
-               case OPT_HELP:
-                       print_help_usage(stdout);
-                       *retcode = -1;
-                       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-                       goto end;
-               default:
-                       printf_err("Unknown command-line option specified (option code %d)\n",
-                               opt);
-                       goto error;
-               }
-
-               free(arg);
-               arg = NULL;
-       }
-
-       /* Check for option parsing error */
-       if (opt < -1) {
-               printf_err("While parsing command-line options, at option %s: %s\n",
-                       poptBadOption(pc, 0), poptStrerror(opt));
-               goto error;
-       }
-
-       leftover = poptGetArg(pc);
-       if (leftover) {
-               plugin_comp_cls_names(leftover, NULL,
-                       &plugin_name, &comp_cls_name,
-                       &cfg->cmd_data.help.cfg_component->type);
-               if (plugin_name && comp_cls_name) {
-                       /* Component class help */
-                       g_string_assign(
-                               cfg->cmd_data.help.cfg_component->plugin_name,
-                               plugin_name);
-                       g_string_assign(
-                               cfg->cmd_data.help.cfg_component->comp_cls_name,
-                               comp_cls_name);
-               } else {
-                       /* Fall back to plugin help */
-                       g_string_assign(
-                               cfg->cmd_data.help.cfg_component->plugin_name,
-                               leftover);
-               }
-       } else {
-               print_help_usage(stdout);
-               *retcode = -1;
-               BT_OBJECT_PUT_REF_AND_RESET(cfg);
-               goto end;
-       }
-
-       if (append_home_and_system_plugin_paths_cfg(cfg)) {
-               goto error;
-       }
-
-       goto end;
-
-error:
-       *retcode = 1;
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       g_free(plugin_name);
-       g_free(comp_cls_name);
-
-       if (pc) {
-               poptFreeContext(pc);
-       }
-
-       free(arg);
-       return cfg;
-}
-
-/*
- * Prints the help command usage.
- */
-static
-void print_query_usage(FILE *fp)
-{
-       fprintf(fp, "Usage: babeltrace [GEN OPTS] query [OPTS] TYPE.PLUGIN.CLS OBJECT\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "      --omit-home-plugin-path       Omit home plugins from plugin search path\n");
-       fprintf(fp, "                                    (~/.local/lib/babeltrace/plugins)\n");
-       fprintf(fp, "      --omit-system-plugin-path     Omit system plugins from plugin search path\n");
-       fprintf(fp, "  -p, --params=PARAMS               Set the query parameters to PARAMS\n");
-       fprintf(fp, "                                    (see the expected format of PARAMS below)\n");
-       fprintf(fp, "      --plugin-path=PATH[:PATH]...  Add PATH to the list of paths from which\n");
-       fprintf(fp, "                                    dynamic plugins can be loaded\n");
-       fprintf(fp, "  -h, --help                        Show this help and quit\n");
-       fprintf(fp, "\n\n");
-       print_expected_params_format(fp);
-}
-
-static
-struct poptOption query_long_options[] = {
-       /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
-       { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
-       { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
-       { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
-       { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
-       { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
-       { NULL, 0, '\0', NULL, 0, NULL, NULL },
-};
-
-/*
- * Creates a Babeltrace config object from the arguments of a query
- * command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_query_from_args(int argc, const char *argv[],
-               int *retcode, bool force_omit_system_plugin_path,
-               bool force_omit_home_plugin_path,
-               const bt_value *initial_plugin_paths)
-{
-       poptContext pc = NULL;
-       char *arg = NULL;
-       int opt;
-       int ret;
-       struct bt_config *cfg = NULL;
-       const char *leftover;
-       bt_value *params;
-
-       params = bt_value_null;
-       bt_value_get_ref(bt_value_null);
-
-       *retcode = 0;
-       cfg = bt_config_query_create(initial_plugin_paths);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->omit_system_plugin_path = force_omit_system_plugin_path;
-       cfg->omit_home_plugin_path = force_omit_home_plugin_path;
-       ret = append_env_var_plugin_paths(cfg->plugin_paths);
-       if (ret) {
-               goto error;
-       }
-
-       /* Parse options */
-       pc = poptGetContext(NULL, argc, (const char **) argv,
-               query_long_options, 0);
-       if (!pc) {
-               printf_err("Cannot get popt context\n");
-               goto error;
-       }
-
-       poptReadDefaultConfig(pc, 0);
-
-       while ((opt = poptGetNextOpt(pc)) > 0) {
-               arg = poptGetOptArg(pc);
-
-               switch (opt) {
-               case OPT_PLUGIN_PATH:
-                       if (bt_config_append_plugin_paths_check_setuid_setgid(
-                                       cfg->plugin_paths, arg)) {
-                               goto error;
-                       }
-                       break;
-               case OPT_OMIT_SYSTEM_PLUGIN_PATH:
-                       cfg->omit_system_plugin_path = true;
-                       break;
-               case OPT_OMIT_HOME_PLUGIN_PATH:
-                       cfg->omit_home_plugin_path = true;
-                       break;
-               case OPT_PARAMS:
-               {
-                       bt_value_put_ref(params);
-                       params = bt_value_from_arg(arg);
-                       if (!params) {
-                               printf_err("Invalid format for --params option's argument:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-                       break;
-               }
-               case OPT_HELP:
-                       print_query_usage(stdout);
-                       *retcode = -1;
-                       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-                       goto end;
-               default:
-                       printf_err("Unknown command-line option specified (option code %d)\n",
-                               opt);
-                       goto error;
-               }
-
-               free(arg);
-               arg = NULL;
-       }
-
-       /* Check for option parsing error */
-       if (opt < -1) {
-               printf_err("While parsing command-line options, at option %s: %s\n",
-                       poptBadOption(pc, 0), poptStrerror(opt));
-               goto error;
-       }
-
-       /*
-        * We need exactly two leftover arguments which are the
-        * mandatory component class specification and query object.
-        */
-       leftover = poptGetArg(pc);
-       if (leftover) {
-               cfg->cmd_data.query.cfg_component =
-                       bt_config_component_from_arg(leftover);
-               if (!cfg->cmd_data.query.cfg_component) {
-                       printf_err("Invalid format for component class specification:\n    %s\n",
-                               leftover);
-                       goto error;
-               }
-
-               BT_ASSERT(params);
-               BT_OBJECT_MOVE_REF(cfg->cmd_data.query.cfg_component->params,
-                       params);
-       } else {
-               print_query_usage(stdout);
-               *retcode = -1;
-               BT_OBJECT_PUT_REF_AND_RESET(cfg);
-               goto end;
-       }
-
-       leftover = poptGetArg(pc);
-       if (leftover) {
-               if (strlen(leftover) == 0) {
-                       printf_err("Invalid empty object\n");
-                       goto error;
-               }
-
-               g_string_assign(cfg->cmd_data.query.object, leftover);
-       } else {
-               print_query_usage(stdout);
-               *retcode = -1;
-               BT_OBJECT_PUT_REF_AND_RESET(cfg);
-               goto end;
-       }
-
-       leftover = poptGetArg(pc);
-       if (leftover) {
-               printf_err("Unexpected argument: %s\n", leftover);
-               goto error;
-       }
-
-       if (append_home_and_system_plugin_paths_cfg(cfg)) {
-               goto error;
-       }
-
-       goto end;
-
-error:
-       *retcode = 1;
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       if (pc) {
-               poptFreeContext(pc);
-       }
-
-       bt_value_put_ref(params);
-       free(arg);
-       return cfg;
-}
-
-/*
- * Prints the list-plugins command usage.
- */
-static
-void print_list_plugins_usage(FILE *fp)
-{
-       fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] list-plugins [OPTIONS]\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "      --omit-home-plugin-path       Omit home plugins from plugin search path\n");
-       fprintf(fp, "                                    (~/.local/lib/babeltrace/plugins)\n");
-       fprintf(fp, "      --omit-system-plugin-path     Omit system plugins from plugin search path\n");
-       fprintf(fp, "      --plugin-path=PATH[:PATH]...  Add PATH to the list of paths from which\n");
-       fprintf(fp, "                                    dynamic plugins can be loaded\n");
-       fprintf(fp, "  -h, --help                        Show this help and quit\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "See `babeltrace --help` for the list of general options.\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Use `babeltrace help` to get help for a specific plugin or component class.\n");
-}
-
-static
-struct poptOption list_plugins_long_options[] = {
-       /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
-       { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
-       { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
-       { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
-       { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
-       { NULL, 0, '\0', NULL, 0, NULL, NULL },
-};
-
-/*
- * Creates a Babeltrace config object from the arguments of a
- * list-plugins command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_list_plugins_from_args(int argc, const char *argv[],
-               int *retcode, bool force_omit_system_plugin_path,
-               bool force_omit_home_plugin_path,
-               const bt_value *initial_plugin_paths)
-{
-       poptContext pc = NULL;
-       char *arg = NULL;
-       int opt;
-       int ret;
-       struct bt_config *cfg = NULL;
-       const char *leftover;
-
-       *retcode = 0;
-       cfg = bt_config_list_plugins_create(initial_plugin_paths);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->omit_system_plugin_path = force_omit_system_plugin_path;
-       cfg->omit_home_plugin_path = force_omit_home_plugin_path;
-       ret = append_env_var_plugin_paths(cfg->plugin_paths);
-       if (ret) {
-               goto error;
-       }
-
-       /* Parse options */
-       pc = poptGetContext(NULL, argc, (const char **) argv,
-               list_plugins_long_options, 0);
-       if (!pc) {
-               printf_err("Cannot get popt context\n");
-               goto error;
-       }
-
-       poptReadDefaultConfig(pc, 0);
-
-       while ((opt = poptGetNextOpt(pc)) > 0) {
-               arg = poptGetOptArg(pc);
-
-               switch (opt) {
-               case OPT_PLUGIN_PATH:
-                       if (bt_config_append_plugin_paths_check_setuid_setgid(
-                                       cfg->plugin_paths, arg)) {
-                               goto error;
-                       }
-                       break;
-               case OPT_OMIT_SYSTEM_PLUGIN_PATH:
-                       cfg->omit_system_plugin_path = true;
-                       break;
-               case OPT_OMIT_HOME_PLUGIN_PATH:
-                       cfg->omit_home_plugin_path = true;
-                       break;
-               case OPT_HELP:
-                       print_list_plugins_usage(stdout);
-                       *retcode = -1;
-                       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-                       goto end;
-               default:
-                       printf_err("Unknown command-line option specified (option code %d)\n",
-                               opt);
-                       goto error;
-               }
-
-               free(arg);
-               arg = NULL;
-       }
-
-       /* Check for option parsing error */
-       if (opt < -1) {
-               printf_err("While parsing command-line options, at option %s: %s\n",
-                       poptBadOption(pc, 0), poptStrerror(opt));
-               goto error;
-       }
-
-       leftover = poptGetArg(pc);
-       if (leftover) {
-               printf_err("Unexpected argument: %s\n", leftover);
-               goto error;
-       }
-
-       if (append_home_and_system_plugin_paths_cfg(cfg)) {
-               goto error;
-       }
-
-       goto end;
-
-error:
-       *retcode = 1;
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       if (pc) {
-               poptFreeContext(pc);
-       }
-
-       free(arg);
-       return cfg;
-}
-
-/*
- * Prints the run command usage.
- */
-static
-void print_run_usage(FILE *fp)
-{
-       fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] run [OPTIONS]\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "  -b, --base-params=PARAMS          Set PARAMS as the current base parameters\n");
-       fprintf(fp, "                                    for all the following components until\n");
-       fprintf(fp, "                                    --reset-base-params is encountered\n");
-       fprintf(fp, "                                    (see the expected format of PARAMS below)\n");
-       fprintf(fp, "  -c, --component=[NAME:]TYPE.PLUGIN.CLS\n");
-       fprintf(fp, "                                    Instantiate the component class CLS of type\n");
-       fprintf(fp, "                                    TYPE (`source`, `filter`, or `sink`) found\n");
-       fprintf(fp, "                                    in the plugin PLUGIN, add it to the graph,\n");
-       fprintf(fp, "                                    and optionally name it NAME (you can also\n");
-       fprintf(fp, "                                    specify the name with --name)\n");
-       fprintf(fp, "  -x, --connect=CONNECTION          Connect two created components (see the\n");
-       fprintf(fp, "                                    expected format of CONNECTION below)\n");
-       fprintf(fp, "  -n, --name=NAME                   Set the name of the current component\n");
-       fprintf(fp, "                                    to NAME (must be unique amongst all the\n");
-       fprintf(fp, "                                    names of the created components)\n");
-       fprintf(fp, "      --omit-home-plugin-path       Omit home plugins from plugin search path\n");
-       fprintf(fp, "                                    (~/.local/lib/babeltrace/plugins)\n");
-       fprintf(fp, "      --omit-system-plugin-path     Omit system plugins from plugin search path\n");
-       fprintf(fp, "  -p, --params=PARAMS               Add initialization parameters PARAMS to the\n");
-       fprintf(fp, "                                    current component (see the expected format\n");
-       fprintf(fp, "                                    of PARAMS below)\n");
-       fprintf(fp, "      --plugin-path=PATH[:PATH]...  Add PATH to the list of paths from which\n");
-       fprintf(fp, "                                    dynamic plugins can be loaded\n");
-       fprintf(fp, "  -r, --reset-base-params           Reset the current base parameters to an\n");
-       fprintf(fp, "                                    empty map\n");
-       fprintf(fp, "      --retry-duration=DUR          When babeltrace(1) needs to retry to run\n");
-       fprintf(fp, "                                    the graph later, retry in DUR µs\n");
-       fprintf(fp, "                                    (default: 100000)\n");
-       fprintf(fp, "  -h, --help                        Show this help and quit\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "See `babeltrace --help` for the list of general options.\n");
-       fprintf(fp, "\n\n");
-       fprintf(fp, "Expected format of CONNECTION\n");
-       fprintf(fp, "-----------------------------\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "    UPSTREAM[.UPSTREAM-PORT]:DOWNSTREAM[.DOWNSTREAM-PORT]\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "UPSTREAM and DOWNSTREAM are names of the upstream and downstream\n");
-       fprintf(fp, "components to connect together. You must escape the following characters\n\n");
-       fprintf(fp, "with `\\`: `\\`, `.`, and `:`. You can set the name of the current\n");
-       fprintf(fp, "component with the --name option.\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "UPSTREAM-PORT and DOWNSTREAM-PORT are optional globbing patterns to\n");
-       fprintf(fp, "identify the upstream and downstream ports to use for the connection.\n");
-       fprintf(fp, "When the port is not specified, `*` is used.\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "When a component named UPSTREAM has an available port which matches the\n");
-       fprintf(fp, "UPSTREAM-PORT globbing pattern, it is connected to the first port which\n");
-       fprintf(fp, "matches the DOWNSTREAM-PORT globbing pattern of the component named\n");
-       fprintf(fp, "DOWNSTREAM.\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "The only special character in UPSTREAM-PORT and DOWNSTREAM-PORT is `*`\n");
-       fprintf(fp, "which matches anything. You must escape the following characters\n");
-       fprintf(fp, "with `\\`: `\\`, `*`, `?`, `[`, `.`, and `:`.\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "You can connect a source component to a filter or sink component. You\n");
-       fprintf(fp, "can connect a filter component to a sink component.\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Examples:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "    my-src:my-sink\n");
-       fprintf(fp, "    ctf-fs.*stream*:utils-muxer:*\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run\n");
-       fprintf(fp, "babeltrace from a shell.\n");
-       fprintf(fp, "\n\n");
-       print_expected_params_format(fp);
-}
-
-/*
- * Creates a Babeltrace config object from the arguments of a run
- * command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_run_from_args(int argc, const char *argv[],
-               int *retcode, bool force_omit_system_plugin_path,
-               bool force_omit_home_plugin_path,
-               const bt_value *initial_plugin_paths)
-{
-       poptContext pc = NULL;
-       char *arg = NULL;
-       struct bt_config_component *cur_cfg_comp = NULL;
-       enum bt_config_component_dest cur_cfg_comp_dest =
-                       BT_CONFIG_COMPONENT_DEST_UNKNOWN;
-       bt_value *cur_base_params = NULL;
-       int opt, ret = 0;
-       struct bt_config *cfg = NULL;
-       bt_value *instance_names = NULL;
-       bt_value *connection_args = NULL;
-       char error_buf[256] = { 0 };
-       long retry_duration = -1;
-       bt_value_status status;
-       struct poptOption run_long_options[] = {
-               { "base-params", 'b', POPT_ARG_STRING, NULL, OPT_BASE_PARAMS, NULL, NULL },
-               { "component", 'c', POPT_ARG_STRING, NULL, OPT_COMPONENT, NULL, NULL },
-               { "connect", 'x', POPT_ARG_STRING, NULL, OPT_CONNECT, NULL, NULL },
-               { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
-               { "name", 'n', POPT_ARG_STRING, NULL, OPT_NAME, NULL, NULL },
-               { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
-               { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
-               { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
-               { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
-               { "reset-base-params", 'r', POPT_ARG_NONE, NULL, OPT_RESET_BASE_PARAMS, NULL, NULL },
-               { "retry-duration", '\0', POPT_ARG_LONG, &retry_duration, OPT_RETRY_DURATION, NULL, NULL },
-               { NULL, 0, '\0', NULL, 0, NULL, NULL },
-       };
-
-       *retcode = 0;
-
-       if (argc <= 1) {
-               print_run_usage(stdout);
-               *retcode = -1;
-               goto end;
-       }
-
-       cfg = bt_config_run_create(initial_plugin_paths);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->cmd_data.run.retry_duration_us = 100000;
-       cfg->omit_system_plugin_path = force_omit_system_plugin_path;
-       cfg->omit_home_plugin_path = force_omit_home_plugin_path;
-       cur_base_params = bt_value_map_create();
-       if (!cur_base_params) {
-               print_err_oom();
-               goto error;
-       }
-
-       instance_names = bt_value_map_create();
-       if (!instance_names) {
-               print_err_oom();
-               goto error;
-       }
-
-       connection_args = bt_value_array_create();
-       if (!connection_args) {
-               print_err_oom();
-               goto error;
-       }
-
-       ret = append_env_var_plugin_paths(cfg->plugin_paths);
-       if (ret) {
-               goto error;
-       }
-
-       /* Parse options */
-       pc = poptGetContext(NULL, argc, (const char **) argv,
-               run_long_options, 0);
-       if (!pc) {
-               printf_err("Cannot get popt context\n");
-               goto error;
-       }
-
-       poptReadDefaultConfig(pc, 0);
-
-       while ((opt = poptGetNextOpt(pc)) > 0) {
-               arg = poptGetOptArg(pc);
-
-               switch (opt) {
-               case OPT_PLUGIN_PATH:
-                       if (bt_config_append_plugin_paths_check_setuid_setgid(
-                                       cfg->plugin_paths, arg)) {
-                               goto error;
-                       }
-                       break;
-               case OPT_OMIT_SYSTEM_PLUGIN_PATH:
-                       cfg->omit_system_plugin_path = true;
-                       break;
-               case OPT_OMIT_HOME_PLUGIN_PATH:
-                       cfg->omit_home_plugin_path = true;
-                       break;
-               case OPT_COMPONENT:
-               {
-                       enum bt_config_component_dest new_dest;
-
-                       if (cur_cfg_comp) {
-                               ret = add_run_cfg_comp_check_name(cfg,
-                                       cur_cfg_comp, cur_cfg_comp_dest,
-                                       instance_names);
-                               BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
-                               if (ret) {
-                                       goto error;
-                               }
-                       }
-
-                       cur_cfg_comp = bt_config_component_from_arg(arg);
-                       if (!cur_cfg_comp) {
-                               printf_err("Invalid format for --component option's argument:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       switch (cur_cfg_comp->type) {
-                       case BT_COMPONENT_CLASS_TYPE_SOURCE:
-                               new_dest = BT_CONFIG_COMPONENT_DEST_SOURCE;
-                               break;
-                       case BT_COMPONENT_CLASS_TYPE_FILTER:
-                               new_dest = BT_CONFIG_COMPONENT_DEST_FILTER;
-                               break;
-                       case BT_COMPONENT_CLASS_TYPE_SINK:
-                               new_dest = BT_CONFIG_COMPONENT_DEST_SINK;
-                               break;
-                       default:
-                               abort();
-                       }
-
-                       BT_ASSERT(cur_base_params);
-                       bt_value_put_ref(cur_cfg_comp->params);
-                       status = bt_value_copy(cur_base_params,
-                               &cur_cfg_comp->params);
-                       if (status != BT_VALUE_STATUS_OK) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       cur_cfg_comp_dest = new_dest;
-                       break;
-               }
-               case OPT_PARAMS:
-               {
-                       bt_value *params;
-                       bt_value *params_to_set;
-
-                       if (!cur_cfg_comp) {
-                               printf_err("Cannot add parameters to unavailable component:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       params = bt_value_from_arg(arg);
-                       if (!params) {
-                               printf_err("Invalid format for --params option's argument:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       status = bt_value_map_extend(cur_cfg_comp->params,
-                               params, &params_to_set);
-                       BT_VALUE_PUT_REF_AND_RESET(params);
-                       if (status != BT_VALUE_STATUS_OK) {
-                               printf_err("Cannot extend current component parameters with --params option's argument:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       BT_OBJECT_MOVE_REF(cur_cfg_comp->params, params_to_set);
-                       break;
-               }
-               case OPT_NAME:
-                       if (!cur_cfg_comp) {
-                               printf_err("Cannot set the name of unavailable component:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       g_string_assign(cur_cfg_comp->instance_name, arg);
-                       break;
-               case OPT_BASE_PARAMS:
-               {
-                       bt_value *params =
-                               bt_value_from_arg(arg);
-
-                       if (!params) {
-                               printf_err("Invalid format for --base-params option's argument:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       BT_OBJECT_MOVE_REF(cur_base_params, params);
-                       break;
-               }
-               case OPT_RESET_BASE_PARAMS:
-                       BT_VALUE_PUT_REF_AND_RESET(cur_base_params);
-                       cur_base_params = bt_value_map_create();
-                       if (!cur_base_params) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       break;
-               case OPT_CONNECT:
-                       if (bt_value_array_append_string_element(
-                                       connection_args, arg)) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       break;
-               case OPT_RETRY_DURATION:
-                       if (retry_duration < 0) {
-                               printf_err("--retry-duration option's argument must be positive or 0: %ld\n",
-                                       retry_duration);
-                               goto error;
-                       }
-
-                       cfg->cmd_data.run.retry_duration_us =
-                               (uint64_t) retry_duration;
-                       break;
-               case OPT_HELP:
-                       print_run_usage(stdout);
-                       *retcode = -1;
-                       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-                       goto end;
-               default:
-                       printf_err("Unknown command-line option specified (option code %d)\n",
-                               opt);
-                       goto error;
-               }
-
-               free(arg);
-               arg = NULL;
-       }
-
-       /* Check for option parsing error */
-       if (opt < -1) {
-               printf_err("While parsing command-line options, at option %s: %s\n",
-                       poptBadOption(pc, 0), poptStrerror(opt));
-               goto error;
-       }
-
-       /* This command does not accept leftover arguments */
-       if (poptPeekArg(pc)) {
-               printf_err("Unexpected argument: %s\n", poptPeekArg(pc));
-               goto error;
-       }
-
-       /* Add current component */
-       if (cur_cfg_comp) {
-               ret = add_run_cfg_comp_check_name(cfg, cur_cfg_comp,
-                       cur_cfg_comp_dest, instance_names);
-               BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
-               if (ret) {
-                       goto error;
-               }
-       }
-
-       if (cfg->cmd_data.run.sources->len == 0) {
-               printf_err("Incomplete graph: no source component\n");
-               goto error;
-       }
-
-       if (cfg->cmd_data.run.sinks->len == 0) {
-               printf_err("Incomplete graph: no sink component\n");
-               goto error;
-       }
-
-       if (append_home_and_system_plugin_paths_cfg(cfg)) {
-               goto error;
-       }
-
-       ret = bt_config_cli_args_create_connections(cfg,
-               connection_args,
-               error_buf, 256);
-       if (ret) {
-               printf_err("Cannot creation connections:\n%s", error_buf);
-               goto error;
-       }
-
-       goto end;
-
-error:
-       *retcode = 1;
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       if (pc) {
-               poptFreeContext(pc);
-       }
-
-       free(arg);
-       BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
-       BT_VALUE_PUT_REF_AND_RESET(cur_base_params);
-       BT_VALUE_PUT_REF_AND_RESET(instance_names);
-       BT_VALUE_PUT_REF_AND_RESET(connection_args);
-       return cfg;
-}
-
-static
-struct bt_config *bt_config_run_from_args_array(const bt_value *run_args,
-               int *retcode, bool force_omit_system_plugin_path,
-               bool force_omit_home_plugin_path,
-               const bt_value *initial_plugin_paths)
-{
-       struct bt_config *cfg = NULL;
-       const char **argv;
-       int64_t i, len;
-       const size_t argc = bt_value_array_get_size(run_args) + 1;
-
-       argv = calloc(argc, sizeof(*argv));
-       if (!argv) {
-               print_err_oom();
-               goto end;
-       }
-
-       argv[0] = "run";
-
-       len = bt_value_array_get_size(run_args);
-       if (len < 0) {
-               printf_err("Invalid executable arguments\n");
-               goto end;
-       }
-       for (i = 0; i < len; i++) {
-               const bt_value *arg_value =
-                       bt_value_array_borrow_element_by_index_const(run_args,
-                                                                    i);
-               const char *arg;
-
-               BT_ASSERT(arg_value);
-               arg = bt_value_string_get(arg_value);
-               BT_ASSERT(arg);
-               argv[i + 1] = arg;
-       }
-
-       cfg = bt_config_run_from_args(argc, argv, retcode,
-               force_omit_system_plugin_path, force_omit_home_plugin_path,
-               initial_plugin_paths);
-
-end:
-       free(argv);
-       return cfg;
-}
-
-/*
- * Prints the convert command usage.
- */
-static
-void print_convert_usage(FILE *fp)
-{
-       fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] [convert] [OPTIONS] [PATH/URL]\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "  -c, --component=[NAME:]TYPE.PLUGIN.CLS\n");
-       fprintf(fp, "                                    Instantiate the component class CLS of type\n");
-       fprintf(fp, "                                    TYPE (`source`, `filter`, or `sink`) found\n");
-       fprintf(fp, "                                    in the plugin PLUGIN, add it to the\n");
-       fprintf(fp, "                                    conversion graph, and optionally name it\n");
-       fprintf(fp, "                                    NAME (you can also specify the name with\n");
-       fprintf(fp, "                                    --name)\n");
-       fprintf(fp, "      --name=NAME                   Set the name of the current component\n");
-       fprintf(fp, "                                    to NAME (must be unique amongst all the\n");
-       fprintf(fp, "                                    names of the created components)\n");
-       fprintf(fp, "      --omit-home-plugin-path       Omit home plugins from plugin search path\n");
-       fprintf(fp, "                                    (~/.local/lib/babeltrace/plugins)\n");
-       fprintf(fp, "      --omit-system-plugin-path     Omit system plugins from plugin search path\n");
-       fprintf(fp, "  -p, --params=PARAMS               Add initialization parameters PARAMS to the\n");
-       fprintf(fp, "                                    current component (see the expected format\n");
-       fprintf(fp, "                                    of PARAMS below)\n");
-       fprintf(fp, "  -P, --path=PATH                   Set the `path` string parameter of the\n");
-       fprintf(fp, "                                    current component to PATH\n");
-       fprintf(fp, "      --plugin-path=PATH[:PATH]...  Add PATH to the list of paths from which\n");
-       fprintf(fp, "      --retry-duration=DUR          When babeltrace(1) needs to retry to run\n");
-       fprintf(fp, "                                    the graph later, retry in DUR µs\n");
-       fprintf(fp, "                                    (default: 100000)\n");
-       fprintf(fp, "                                    dynamic plugins can be loaded\n");
-       fprintf(fp, "      --run-args                    Print the equivalent arguments for the\n");
-       fprintf(fp, "                                    `run` command to the standard output,\n");
-       fprintf(fp, "                                    formatted for a shell, and quit\n");
-       fprintf(fp, "      --run-args-0                  Print the equivalent arguments for the\n");
-       fprintf(fp, "                                    `run` command to the standard output,\n");
-       fprintf(fp, "                                    formatted for `xargs -0`, and quit\n");
-       fprintf(fp, "      --stream-intersection         Only process events when all streams\n");
-       fprintf(fp, "                                    are active\n");
-       fprintf(fp, "  -u, --url=URL                     Set the `url` string parameter of the\n");
-       fprintf(fp, "                                    current component to URL\n");
-       fprintf(fp, "  -h, --help                        Show this help and quit\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Implicit `source.ctf.fs` component options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "      --clock-offset=SEC            Set clock offset to SEC seconds\n");
-       fprintf(fp, "      --clock-offset-ns=NS          Set clock offset to NS ns\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Implicit `sink.text.pretty` component options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "      --clock-cycles                Print timestamps in clock cycles\n");
-       fprintf(fp, "      --clock-date                  Print timestamp dates\n");
-       fprintf(fp, "      --clock-gmt                   Print and parse timestamps in the GMT\n");
-       fprintf(fp, "                                    time zone instead of the local time zone\n");
-       fprintf(fp, "      --clock-seconds               Print the timestamps as `SEC.NS` instead\n");
-       fprintf(fp, "                                    of `hh:mm:ss.nnnnnnnnn`\n");
-       fprintf(fp, "      --color=(never | auto | always)\n");
-       fprintf(fp, "                                    Never, automatically, or always emit\n");
-       fprintf(fp, "                                    console color codes\n");
-       fprintf(fp, "  -f, --fields=FIELD[,FIELD]...     Print additional fields; FIELD can be:\n");
-       fprintf(fp, "                                      `all`, `trace`, `trace:hostname`,\n");
-       fprintf(fp, "                                      `trace:domain`, `trace:procname`,\n");
-       fprintf(fp, "                                      `trace:vpid`, `loglevel`, `emf`\n");
-       fprintf(fp, "  -n, --names=NAME[,NAME]...        Print field names; NAME can be:\n");
-       fprintf(fp, "                                      `payload` (or `arg` or `args`), `none`,\n");
-       fprintf(fp, "                                      `all`, `scope`, `header`, `context`\n");
-       fprintf(fp, "                                      (or `ctx`)\n");
-       fprintf(fp, "      --no-delta                    Do not print time delta between\n");
-       fprintf(fp, "                                    consecutive events\n");
-       fprintf(fp, "  -w, --output=PATH                 Write output text to PATH instead of\n");
-       fprintf(fp, "                                    the standard output\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Implicit `filter.utils.muxer` component options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "      --clock-force-correlate       Assume that clocks are inherently\n");
-       fprintf(fp, "                                    correlated across traces\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Implicit `filter.utils.trimmer` component options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "  -b, --begin=BEGIN                 Set the beginning time of the conversion\n");
-       fprintf(fp, "                                    time range to BEGIN (see the format of\n");
-       fprintf(fp, "                                    BEGIN below)\n");
-       fprintf(fp, "  -e, --end=END                     Set the end time of the conversion time\n");
-       fprintf(fp, "                                    range to END (see the format of END below)\n");
-       fprintf(fp, "  -t, --timerange=TIMERANGE         Set conversion time range to TIMERANGE:\n");
-       fprintf(fp, "                                    BEGIN,END or [BEGIN,END] (literally `[` and\n");
-       fprintf(fp, "                                    `]`) (see the format of BEGIN/END below)\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Implicit `filter.lttng-utils.debug-info` component options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "      --debug-info                  Create an implicit\n");
-       fprintf(fp, "                                    `filter.lttng-utils.debug-info` component\n");
-       fprintf(fp, "      --debug-info-dir=DIR          Search for debug info in directory DIR\n");
-       fprintf(fp, "                                    instead of `/usr/lib/debug`\n");
-       fprintf(fp, "      --debug-info-full-path        Show full debug info source and\n");
-       fprintf(fp, "                                    binary paths instead of just names\n");
-       fprintf(fp, "      --debug-info-target-prefix=DIR\n");
-       fprintf(fp, "                                    Use directory DIR as a prefix when\n");
-       fprintf(fp, "                                    looking up executables during debug\n");
-       fprintf(fp, "                                    info analysis\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Legacy options that still work:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "  -i, --input-format=(ctf | lttng-live)\n");
-       fprintf(fp, "                                    `ctf`:\n");
-       fprintf(fp, "                                      Create an implicit `source.ctf.fs`\n");
-       fprintf(fp, "                                      component\n");
-       fprintf(fp, "                                    `lttng-live`:\n");
-       fprintf(fp, "                                      Create an implicit `source.ctf.lttng-live`\n");
-       fprintf(fp, "                                      component\n");
-       fprintf(fp, "  -o, --output-format=(text | ctf | dummy | ctf-metadata)\n");
-       fprintf(fp, "                                    `text`:\n");
-       fprintf(fp, "                                      Create an implicit `sink.text.pretty`\n");
-       fprintf(fp, "                                      component\n");
-       fprintf(fp, "                                    `ctf`:\n");
-       fprintf(fp, "                                      Create an implicit `sink.ctf.fs`\n");
-       fprintf(fp, "                                      component\n");
-       fprintf(fp, "                                    `dummy`:\n");
-       fprintf(fp, "                                      Create an implicit `sink.utils.dummy`\n");
-       fprintf(fp, "                                      component\n");
-       fprintf(fp, "                                    `ctf-metadata`:\n");
-       fprintf(fp, "                                      Query the `source.ctf.fs` component class\n");
-       fprintf(fp, "                                      for metadata text and quit\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "See `babeltrace --help` for the list of general options.\n");
-       fprintf(fp, "\n\n");
-       fprintf(fp, "Format of BEGIN and END\n");
-       fprintf(fp, "-----------------------\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "    [YYYY-MM-DD [hh:mm:]]ss[.nnnnnnnnn]\n");
-       fprintf(fp, "\n\n");
-       print_expected_params_format(fp);
-}
-
-static
-struct poptOption convert_long_options[] = {
-       /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
-       { "begin", 'b', POPT_ARG_STRING, NULL, OPT_BEGIN, NULL, NULL },
-       { "clock-cycles", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL },
-       { "clock-date", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
-       { "clock-force-correlate", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
-       { "clock-gmt", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
-       { "clock-offset", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
-       { "clock-offset-ns", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET_NS, NULL, NULL },
-       { "clock-seconds", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
-       { "color", '\0', POPT_ARG_STRING, NULL, OPT_COLOR, NULL, NULL },
-       { "component", 'c', POPT_ARG_STRING, NULL, OPT_COMPONENT, NULL, NULL },
-       { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
-       { "debug-info-dir", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_DIR, NULL, NULL },
-       { "debug-info-full-path", 0, POPT_ARG_NONE, NULL, OPT_DEBUG_INFO_FULL_PATH, NULL, NULL },
-       { "debug-info-target-prefix", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_TARGET_PREFIX, NULL, NULL },
-       { "end", 'e', POPT_ARG_STRING, NULL, OPT_END, NULL, NULL },
-       { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
-       { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
-       { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL },
-       { "name", '\0', POPT_ARG_STRING, NULL, OPT_NAME, NULL, NULL },
-       { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
-       { "debug-info", '\0', POPT_ARG_NONE, NULL, OPT_DEBUG_INFO, NULL, NULL },
-       { "no-delta", '\0', POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
-       { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
-       { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
-       { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT, NULL, NULL },
-       { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL },
-       { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
-       { "path", 'P', POPT_ARG_STRING, NULL, OPT_PATH, NULL, NULL },
-       { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
-       { "retry-duration", '\0', POPT_ARG_STRING, NULL, OPT_RETRY_DURATION, NULL, NULL },
-       { "run-args", '\0', POPT_ARG_NONE, NULL, OPT_RUN_ARGS, NULL, NULL },
-       { "run-args-0", '\0', POPT_ARG_NONE, NULL, OPT_RUN_ARGS_0, NULL, NULL },
-       { "stream-intersection", '\0', POPT_ARG_NONE, NULL, OPT_STREAM_INTERSECTION, NULL, NULL },
-       { "timerange", '\0', POPT_ARG_STRING, NULL, OPT_TIMERANGE, NULL, NULL },
-       { "url", 'u', POPT_ARG_STRING, NULL, OPT_URL, NULL, NULL },
-       { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
-       { NULL, 0, '\0', NULL, 0, NULL, NULL },
-};
-
-static
-GString *get_component_auto_name(const char *prefix,
-               const bt_value *existing_names)
-{
-       unsigned int i = 0;
-       GString *auto_name = g_string_new(NULL);
-
-       if (!auto_name) {
-               print_err_oom();
-               goto end;
-       }
-
-       if (!bt_value_map_has_entry(existing_names, prefix)) {
-               g_string_assign(auto_name, prefix);
-               goto end;
-       }
-
-       do {
-               g_string_printf(auto_name, "%s-%d", prefix, i);
-               i++;
-       } while (bt_value_map_has_entry(existing_names, auto_name->str));
-
-end:
-       return auto_name;
-}
-
-struct implicit_component_args {
-       bool exists;
-       GString *comp_arg;
-       GString *name_arg;
-       GString *params_arg;
-       bt_value *extra_params;
-};
-
-static
-int assign_name_to_implicit_component(struct implicit_component_args *args,
-               const char *prefix, bt_value *existing_names,
-               GList **comp_names, bool append_to_comp_names)
-{
-       int ret = 0;
-       GString *name = NULL;
-
-       if (!args->exists) {
-               goto end;
-       }
-
-       name = get_component_auto_name(prefix,
-               existing_names);
-
-       if (!name) {
-               ret = -1;
-               goto end;
-       }
-
-       g_string_assign(args->name_arg, name->str);
-
-       if (bt_value_map_insert_entry(existing_names, name->str,
-                       bt_value_null)) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-       if (append_to_comp_names) {
-               *comp_names = g_list_append(*comp_names, name);
-               name = NULL;
-       }
-
-end:
-       if (name) {
-               g_string_free(name, TRUE);
-       }
-
-       return ret;
-}
-
-static
-int append_run_args_for_implicit_component(
-               struct implicit_component_args *impl_args,
-               bt_value *run_args)
-{
-       int ret = 0;
-       size_t i;
-
-       if (!impl_args->exists) {
-               goto end;
-       }
-
-       if (bt_value_array_append_string_element(run_args, "--component")) {
-               print_err_oom();
-               goto error;
-       }
-
-       if (bt_value_array_append_string_element(run_args, impl_args->comp_arg->str)) {
-               print_err_oom();
-               goto error;
-       }
-
-       if (bt_value_array_append_string_element(run_args, "--name")) {
-               print_err_oom();
-               goto error;
-       }
-
-       if (bt_value_array_append_string_element(run_args, impl_args->name_arg->str)) {
-               print_err_oom();
-               goto error;
-       }
-
-       if (impl_args->params_arg->len > 0) {
-               if (bt_value_array_append_string_element(run_args, "--params")) {
-                       print_err_oom();
-                       goto error;
-               }
-
-               if (bt_value_array_append_string_element(run_args,
-                               impl_args->params_arg->str)) {
-                       print_err_oom();
-                       goto error;
-               }
-       }
-
-       for (i = 0; i < bt_value_array_get_size(impl_args->extra_params);
-                       i++) {
-               const bt_value *elem;
-               const char *arg;
-
-               elem = bt_value_array_borrow_element_by_index(impl_args->extra_params,
-                                                             i);
-               if (!elem) {
-                       goto error;
-               }
-
-               BT_ASSERT(bt_value_is_string(elem));
-               arg = bt_value_string_get(elem);
-               ret = bt_value_array_append_string_element(run_args, arg);
-               if (ret) {
-                       print_err_oom();
-                       goto error;
-               }
-       }
-
-       goto end;
-
-error:
-       ret = -1;
-
-end:
-       return ret;
-}
-
-static
-void finalize_implicit_component_args(struct implicit_component_args *args)
-{
-       BT_ASSERT(args);
-
-       if (args->comp_arg) {
-               g_string_free(args->comp_arg, TRUE);
-       }
-
-       if (args->name_arg) {
-               g_string_free(args->name_arg, TRUE);
-       }
-
-       if (args->params_arg) {
-               g_string_free(args->params_arg, TRUE);
-       }
-
-       bt_value_put_ref(args->extra_params);
-}
-
-static
-int init_implicit_component_args(struct implicit_component_args *args,
-               const char *comp_arg, bool exists)
-{
-       int ret = 0;
-
-       args->exists = exists;
-       args->comp_arg = g_string_new(comp_arg);
-       args->name_arg = g_string_new(NULL);
-       args->params_arg = g_string_new(NULL);
-       args->extra_params = bt_value_array_create();
-
-       if (!args->comp_arg || !args->name_arg ||
-                       !args->params_arg || !args->extra_params) {
-               ret = -1;
-               finalize_implicit_component_args(args);
-               print_err_oom();
-               goto end;
-       }
-
-end:
-       return ret;
-}
-
-static
-void append_implicit_component_param(struct implicit_component_args *args,
-       const char *key, const char *value)
-{
-       BT_ASSERT(args);
-       BT_ASSERT(key);
-       BT_ASSERT(value);
-       append_param_arg(args->params_arg, key, value);
-}
-
-/* Escape value to make it suitable to use as a string parameter value. */
-static
-gchar *escape_string_value(const char *value)
-{
-       GString *ret;
-       const char *in;
-
-       ret = g_string_new(NULL);
-       if (!ret) {
-               print_err_oom();
-               goto end;
-       }
-
-       in = value;
-       while (*in) {
-               switch (*in) {
-               case '"':
-               case '\\':
-                       g_string_append_c(ret, '\\');
-                       break;
-               }
-
-               g_string_append_c(ret, *in);
-
-               in++;
-       }
-
-end:
-       return g_string_free(ret, FALSE);
-}
-
-static
-int bt_value_to_cli_param_value_append(const bt_value *value, GString *buf)
-{
-       BT_ASSERT(buf);
-
-       int ret = -1;
-
-       switch (bt_value_get_type(value)) {
-       case BT_VALUE_TYPE_STRING:
-       {
-               const char *str_value = bt_value_string_get(value);
-               gchar *escaped_str_value;
-
-               escaped_str_value = escape_string_value(str_value);
-               if (!escaped_str_value) {
-                       goto end;
-               }
-
-               g_string_append_printf(buf, "\"%s\"", escaped_str_value);
-
-               g_free(escaped_str_value);
-               break;
-       }
-       case BT_VALUE_TYPE_ARRAY: {
-               g_string_append_c(buf, '[');
-               uint64_t sz = bt_value_array_get_size(value);
-               for (uint64_t i = 0; i < sz; i++) {
-                       const bt_value *item;
-                       int ret;
-
-                       if (i > 0) {
-                               g_string_append(buf, ", ");
-                       }
-
-                       item = bt_value_array_borrow_element_by_index_const(
-                               value, i);
-                       ret = bt_value_to_cli_param_value_append(item, buf);
-
-                       if (ret) {
-                               goto end;
-                       }
-               }
-               g_string_append_c(buf, ']');
-               break;
-       }
-       default:
-               abort();
-       }
-
-       ret = 0;
-
-end:
-       return ret;
-}
-
-/*
- * Convert `value` to its equivalent representation as a command line parameter
- * value.
- */
-
-static
-gchar *bt_value_to_cli_param_value(bt_value *value)
-{
-       GString *buf;
-       gchar *result = NULL;
-
-       buf = g_string_new(NULL);
-       if (!buf) {
-               print_err_oom();
-               goto error;
-       }
-
-       if (bt_value_to_cli_param_value_append(value, buf)) {
-               goto error;
-       }
-
-       result = g_string_free(buf, FALSE);
-       buf = NULL;
-
-       goto end;
-
-error:
-       if (buf) {
-               g_string_free(buf, TRUE);
-       }
-
-end:
-       return result;
-}
-
-static
-int append_parameter_to_args(bt_value *args, const char *key, bt_value *value)
-{
-       BT_ASSERT(args);
-       BT_ASSERT(bt_value_get_type(args) == BT_VALUE_TYPE_ARRAY);
-       BT_ASSERT(key);
-       BT_ASSERT(value);
-
-       int ret = 0;
-       gchar *str_value = NULL;
-       GString *parameter = NULL;
-
-       if (bt_value_array_append_string_element(args, "--params")) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-       str_value = bt_value_to_cli_param_value(value);
-       if (!str_value) {
-               ret = -1;
-               goto end;
-       }
-
-       parameter = g_string_new(NULL);
-       if (!parameter) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-       g_string_printf(parameter, "%s=%s", key, str_value);
-
-       if (bt_value_array_append_string_element(args, parameter->str)) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-end:
-       if (parameter) {
-               g_string_free(parameter, TRUE);
-               parameter = NULL;
-       }
-
-       if (str_value) {
-               g_free(str_value);
-               str_value = NULL;
-       }
-
-       return ret;
-}
-
-static
-int append_string_parameter_to_args(bt_value *args, const char *key, const char *value)
-{
-       bt_value *str_value;
-       int ret;
-
-       str_value = bt_value_string_create_init(value);
-
-       if (!str_value) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-       ret = append_parameter_to_args(args, key, str_value);
-
-end:
-       BT_VALUE_PUT_REF_AND_RESET(str_value);
-       return ret;
-}
-
-static
-int append_implicit_component_extra_param(struct implicit_component_args *args,
-               const char *key, const char *value)
-{
-       return append_string_parameter_to_args(args->extra_params, key, value);
-}
-
-static
-int convert_append_name_param(enum bt_config_component_dest dest,
-               GString *cur_name, GString *cur_name_prefix,
-               bt_value *run_args,
-               bt_value *all_names,
-               GList **source_names, GList **filter_names,
-               GList **sink_names)
-{
-       int ret = 0;
-
-       if (cur_name_prefix->len > 0) {
-               /* We're after a --component option */
-               GString *name = NULL;
-               bool append_name_opt = false;
-
-               if (cur_name->len == 0) {
-                       /*
-                        * No explicit name was provided for the user
-                        * component.
-                        */
-                       name = get_component_auto_name(cur_name_prefix->str,
-                               all_names);
-                       append_name_opt = true;
-               } else {
-                       /*
-                        * An explicit name was provided for the user
-                        * component.
-                        */
-                       if (bt_value_map_has_entry(all_names,
-                                                  cur_name->str)) {
-                               printf_err("Duplicate component instance name:\n    %s\n",
-                                       cur_name->str);
-                               goto error;
-                       }
-
-                       name = g_string_new(cur_name->str);
-               }
-
-               if (!name) {
-                       print_err_oom();
-                       goto error;
-               }
-
-               /*
-                * Remember this name globally, for the uniqueness of
-                * all component names.
-                */
-               if (bt_value_map_insert_entry(all_names, name->str, bt_value_null)) {
-                       print_err_oom();
-                       goto error;
-               }
-
-               /*
-                * Append the --name option if necessary.
-                */
-               if (append_name_opt) {
-                       if (bt_value_array_append_string_element(run_args, "--name")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string_element(run_args, name->str)) {
-                               print_err_oom();
-                               goto error;
-                       }
-               }
-
-               /*
-                * Remember this name specifically for the type of the
-                * component. This is to create connection arguments.
-                */
-               switch (dest) {
-               case BT_CONFIG_COMPONENT_DEST_SOURCE:
-                       *source_names = g_list_append(*source_names, name);
-                       break;
-               case BT_CONFIG_COMPONENT_DEST_FILTER:
-                       *filter_names = g_list_append(*filter_names, name);
-                       break;
-               case BT_CONFIG_COMPONENT_DEST_SINK:
-                       *sink_names = g_list_append(*sink_names, name);
-                       break;
-               default:
-                       abort();
-               }
-
-               g_string_assign(cur_name_prefix, "");
-       }
-
-       goto end;
-
-error:
-       ret = -1;
-
-end:
-       return ret;
-}
-
-/*
- * Escapes `.`, `:`, and `\` of `input` with `\`.
- */
-static
-GString *escape_dot_colon(const char *input)
-{
-       GString *output = g_string_new(NULL);
-       const char *ch;
-
-       if (!output) {
-               print_err_oom();
-               goto end;
-       }
-
-       for (ch = input; *ch != '\0'; ch++) {
-               if (*ch == '\\' || *ch == '.' || *ch == ':') {
-                       g_string_append_c(output, '\\');
-               }
-
-               g_string_append_c(output, *ch);
-       }
-
-end:
-       return output;
-}
-
-/*
- * Appends a --connect option to a list of arguments. `upstream_name`
- * and `downstream_name` are escaped with escape_dot_colon() in this
- * function.
- */
-static
-int append_connect_arg(bt_value *run_args,
-               const char *upstream_name, const char *downstream_name)
-{
-       int ret = 0;
-       GString *e_upstream_name = escape_dot_colon(upstream_name);
-       GString *e_downstream_name = escape_dot_colon(downstream_name);
-       GString *arg = g_string_new(NULL);
-
-       if (!e_upstream_name || !e_downstream_name || !arg) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-       ret = bt_value_array_append_string_element(run_args, "--connect");
-       if (ret) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-       g_string_append(arg, e_upstream_name->str);
-       g_string_append_c(arg, ':');
-       g_string_append(arg, e_downstream_name->str);
-       ret = bt_value_array_append_string_element(run_args, arg->str);
-       if (ret) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-end:
-       if (arg) {
-               g_string_free(arg, TRUE);
-       }
-
-       if (e_upstream_name) {
-               g_string_free(e_upstream_name, TRUE);
-       }
-
-       if (e_downstream_name) {
-               g_string_free(e_downstream_name, TRUE);
-       }
-
-       return ret;
-}
-
-/*
- * Appends the run command's --connect options for the convert command.
- */
-static
-int convert_auto_connect(bt_value *run_args,
-               GList *source_names, GList *filter_names,
-               GList *sink_names)
-{
-       int ret = 0;
-       GList *source_at = source_names;
-       GList *filter_at = filter_names;
-       GList *filter_prev;
-       GList *sink_at = sink_names;
-
-       BT_ASSERT(source_names);
-       BT_ASSERT(filter_names);
-       BT_ASSERT(sink_names);
-
-       /* Connect all sources to the first filter */
-       for (source_at = source_names; source_at != NULL; source_at = g_list_next(source_at)) {
-               GString *source_name = source_at->data;
-               GString *filter_name = filter_at->data;
-
-               ret = append_connect_arg(run_args, source_name->str,
-                       filter_name->str);
-               if (ret) {
-                       goto error;
-               }
-       }
-
-       filter_prev = filter_at;
-       filter_at = g_list_next(filter_at);
-
-       /* Connect remaining filters */
-       for (; filter_at != NULL; filter_prev = filter_at, filter_at = g_list_next(filter_at)) {
-               GString *filter_name = filter_at->data;
-               GString *filter_prev_name = filter_prev->data;
-
-               ret = append_connect_arg(run_args, filter_prev_name->str,
-                       filter_name->str);
-               if (ret) {
-                       goto error;
-               }
-       }
-
-       /* Connect last filter to all sinks */
-       for (sink_at = sink_names; sink_at != NULL; sink_at = g_list_next(sink_at)) {
-               GString *filter_name = filter_prev->data;
-               GString *sink_name = sink_at->data;
-
-               ret = append_connect_arg(run_args, filter_name->str,
-                       sink_name->str);
-               if (ret) {
-                       goto error;
-               }
-       }
-
-       goto end;
-
-error:
-       ret = -1;
-
-end:
-       return ret;
-}
-
-static
-int split_timerange(const char *arg, char **begin, char **end)
-{
-       int ret = 0;
-       const char *ch = arg;
-       size_t end_pos;
-       GString *g_begin = NULL;
-       GString *g_end = NULL;
-
-       BT_ASSERT(arg);
-
-       if (*ch == '[') {
-               ch++;
-       }
-
-       g_begin = bt_common_string_until(ch, "", ",", &end_pos);
-       if (!g_begin || ch[end_pos] != ',' || g_begin->len == 0) {
-               goto error;
-       }
-
-       ch += end_pos + 1;
-
-       g_end = bt_common_string_until(ch, "", "]", &end_pos);
-       if (!g_end || g_end->len == 0) {
-               goto error;
-       }
-
-       BT_ASSERT(begin);
-       BT_ASSERT(end);
-       *begin = g_begin->str;
-       *end = g_end->str;
-       g_string_free(g_begin, FALSE);
-       g_string_free(g_end, FALSE);
-       g_begin = NULL;
-       g_end = NULL;
-       goto end;
-
-error:
-       ret = -1;
-
-end:
-       if (g_begin) {
-               g_string_free(g_begin, TRUE);
-       }
-
-       if (g_end) {
-               g_string_free(g_end, TRUE);
-       }
-
-       return ret;
-}
-
-static
-int g_list_prepend_gstring(GList **list, const char *string)
-{
-       int ret = 0;
-       GString *gs = g_string_new(string);
-
-       BT_ASSERT(list);
-
-       if (!gs) {
-               print_err_oom();
-               goto end;
-       }
-
-       *list = g_list_prepend(*list, gs);
-
-end:
-       return ret;
-}
-
-/*
- * Creates a Babeltrace config object from the arguments of a convert
- * command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_convert_from_args(int argc, const char *argv[],
-               int *retcode, bool force_omit_system_plugin_path,
-               bool force_omit_home_plugin_path,
-               const bt_value *initial_plugin_paths, char *log_level)
-{
-       poptContext pc = NULL;
-       char *arg = NULL;
-       enum bt_config_component_dest cur_comp_dest =
-                       BT_CONFIG_COMPONENT_DEST_UNKNOWN;
-       int opt, ret = 0;
-       struct bt_config *cfg = NULL;
-       bool got_input_format_opt = false;
-       bool got_output_format_opt = false;
-       bool trimmer_has_begin = false;
-       bool trimmer_has_end = false;
-       bool stream_intersection_mode = false;
-       GString *cur_name = NULL;
-       GString *cur_name_prefix = NULL;
-       const char *leftover = NULL;
-       bool print_run_args = false;
-       bool print_run_args_0 = false;
-       bool print_ctf_metadata = false;
-       bt_value *run_args = NULL;
-       bt_value *all_names = NULL;
-       GList *source_names = NULL;
-       GList *filter_names = NULL;
-       GList *sink_names = NULL;
-       bt_value *leftovers = NULL;
-       struct implicit_component_args implicit_ctf_input_args = { 0 };
-       struct implicit_component_args implicit_ctf_output_args = { 0 };
-       struct implicit_component_args implicit_lttng_live_args = { 0 };
-       struct implicit_component_args implicit_dummy_args = { 0 };
-       struct implicit_component_args implicit_text_args = { 0 };
-       struct implicit_component_args implicit_debug_info_args = { 0 };
-       struct implicit_component_args implicit_muxer_args = { 0 };
-       struct implicit_component_args implicit_trimmer_args = { 0 };
-       bt_value *plugin_paths;
-       char error_buf[256] = { 0 };
-       size_t i;
-       struct bt_common_lttng_live_url_parts lttng_live_url_parts = { 0 };
-       char *output = NULL;
-
-       (void) bt_value_copy(initial_plugin_paths, &plugin_paths);
-
-       *retcode = 0;
-
-       if (argc <= 1) {
-               print_convert_usage(stdout);
-               *retcode = -1;
-               goto end;
-       }
-
-       if (init_implicit_component_args(&implicit_ctf_input_args,
-                       "source.ctf.fs", false)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_ctf_output_args,
-                       "sink.ctf.fs", false)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_lttng_live_args,
-                       "source.ctf.lttng-live", false)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_text_args,
-                       "sink.text.pretty", false)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_dummy_args,
-                       "sink.utils.dummy", false)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_debug_info_args,
-                       "filter.lttng-utils.debug-info", false)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_muxer_args,
-                       "filter.utils.muxer", true)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_trimmer_args,
-                       "filter.utils.trimmer", false)) {
-               goto error;
-       }
-
-       all_names = bt_value_map_create();
-       if (!all_names) {
-               print_err_oom();
-               goto error;
-       }
-
-       run_args = bt_value_array_create();
-       if (!run_args) {
-               print_err_oom();
-               goto error;
-       }
-
-       cur_name = g_string_new(NULL);
-       if (!cur_name) {
-               print_err_oom();
-               goto error;
-       }
-
-       cur_name_prefix = g_string_new(NULL);
-       if (!cur_name_prefix) {
-               print_err_oom();
-               goto error;
-       }
-
-       ret = append_env_var_plugin_paths(plugin_paths);
-       if (ret) {
-               goto error;
-       }
-
-       leftovers = bt_value_array_create();
-       if (!leftovers) {
-               print_err_oom();
-               goto error;
-       }
-
-       /*
-        * First pass: collect all arguments which need to be passed
-        * as is to the run command. This pass can also add --name
-        * arguments if needed to automatically name unnamed component
-        * instances. Also it does the following transformations:
-        *
-        *     --path=PATH -> --params=path="PATH"
-        *     --url=URL   -> --params=url="URL"
-        *
-        * Also it appends the plugin paths of --plugin-path to
-        * `plugin_paths`.
-        */
-       pc = poptGetContext(NULL, argc, (const char **) argv,
-               convert_long_options, 0);
-       if (!pc) {
-               printf_err("Cannot get popt context\n");
-               goto error;
-       }
-
-       poptReadDefaultConfig(pc, 0);
-
-       while ((opt = poptGetNextOpt(pc)) > 0) {
-               char *name = NULL;
-               char *plugin_name = NULL;
-               char *comp_cls_name = NULL;
-
-               arg = poptGetOptArg(pc);
-
-               switch (opt) {
-               case OPT_COMPONENT:
-               {
-                       bt_component_class_type type;
-                       const char *type_prefix;
-
-                       /* Append current component's name if needed */
-                       ret = convert_append_name_param(cur_comp_dest, cur_name,
-                               cur_name_prefix, run_args, all_names,
-                               &source_names, &filter_names, &sink_names);
-                       if (ret) {
-                               goto error;
-                       }
-
-                       /* Parse the argument */
-                       plugin_comp_cls_names(arg, &name, &plugin_name,
-                               &comp_cls_name, &type);
-                       if (!plugin_name || !comp_cls_name) {
-                               printf_err("Invalid format for --component option's argument:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       if (name) {
-                               g_string_assign(cur_name, name);
-                       } else {
-                               g_string_assign(cur_name, "");
-                       }
-
-                       switch (type) {
-                       case BT_COMPONENT_CLASS_TYPE_SOURCE:
-                               cur_comp_dest = BT_CONFIG_COMPONENT_DEST_SOURCE;
-                               type_prefix = "source";
-                               break;
-                       case BT_COMPONENT_CLASS_TYPE_FILTER:
-                               cur_comp_dest = BT_CONFIG_COMPONENT_DEST_FILTER;
-                               type_prefix = "filter";
-                               break;
-                       case BT_COMPONENT_CLASS_TYPE_SINK:
-                               cur_comp_dest = BT_CONFIG_COMPONENT_DEST_SINK;
-                               type_prefix = "sink";
-                               break;
-                       default:
-                               abort();
-                       }
-
-                       if (bt_value_array_append_string_element(run_args,
-                                       "--component")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string_element(run_args, arg)) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       g_string_assign(cur_name_prefix, "");
-                       g_string_append_printf(cur_name_prefix, "%s.%s.%s",
-                               type_prefix, plugin_name, comp_cls_name);
-                       free(name);
-                       free(plugin_name);
-                       free(comp_cls_name);
-                       name = NULL;
-                       plugin_name = NULL;
-                       comp_cls_name = NULL;
-                       break;
-               }
-               case OPT_PARAMS:
-                       if (cur_name_prefix->len == 0) {
-                               printf_err("No current component of which to set parameters:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string_element(run_args,
-                                       "--params")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string_element(run_args, arg)) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       break;
-               case OPT_PATH:
-                       if (cur_name_prefix->len == 0) {
-                               printf_err("No current component of which to set `path` parameter:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       if (append_string_parameter_to_args(run_args, "path", arg)) {
-                               goto error;
-                       }
-                       break;
-               case OPT_URL:
-                       if (cur_name_prefix->len == 0) {
-                               printf_err("No current component of which to set `url` parameter:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-
-                       if (append_string_parameter_to_args(run_args, "url", arg)) {
-                               goto error;
-                       }
-                       break;
-               case OPT_NAME:
-                       if (cur_name_prefix->len == 0) {
-                               printf_err("No current component to name:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string_element(run_args, "--name")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string_element(run_args, arg)) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       g_string_assign(cur_name, arg);
-                       break;
-               case OPT_OMIT_HOME_PLUGIN_PATH:
-                       force_omit_home_plugin_path = true;
-
-                       if (bt_value_array_append_string_element(run_args,
-                                       "--omit-home-plugin-path")) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       break;
-               case OPT_RETRY_DURATION:
-                       if (bt_value_array_append_string_element(run_args,
-                                       "--retry-duration")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string_element(run_args, arg)) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       break;
-               case OPT_OMIT_SYSTEM_PLUGIN_PATH:
-                       force_omit_system_plugin_path = true;
-
-                       if (bt_value_array_append_string_element(run_args,
-                                       "--omit-system-plugin-path")) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       break;
-               case OPT_PLUGIN_PATH:
-                       if (bt_config_append_plugin_paths_check_setuid_setgid(
-                                       plugin_paths, arg)) {
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string_element(run_args,
-                                       "--plugin-path")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string_element(run_args, arg)) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       break;
-               case OPT_HELP:
-                       print_convert_usage(stdout);
-                       *retcode = -1;
-                       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-                       goto end;
-               case OPT_BEGIN:
-               case OPT_CLOCK_CYCLES:
-               case OPT_CLOCK_DATE:
-               case OPT_CLOCK_FORCE_CORRELATE:
-               case OPT_CLOCK_GMT:
-               case OPT_CLOCK_OFFSET:
-               case OPT_CLOCK_OFFSET_NS:
-               case OPT_CLOCK_SECONDS:
-               case OPT_COLOR:
-               case OPT_DEBUG:
-               case OPT_DEBUG_INFO:
-               case OPT_DEBUG_INFO_DIR:
-               case OPT_DEBUG_INFO_FULL_PATH:
-               case OPT_DEBUG_INFO_TARGET_PREFIX:
-               case OPT_END:
-               case OPT_FIELDS:
-               case OPT_INPUT_FORMAT:
-               case OPT_NAMES:
-               case OPT_NO_DELTA:
-               case OPT_OUTPUT_FORMAT:
-               case OPT_OUTPUT:
-               case OPT_RUN_ARGS:
-               case OPT_RUN_ARGS_0:
-               case OPT_STREAM_INTERSECTION:
-               case OPT_TIMERANGE:
-               case OPT_VERBOSE:
-                       /* Ignore in this pass */
-                       break;
-               default:
-                       printf_err("Unknown command-line option specified (option code %d)\n",
-                               opt);
-                       goto error;
-               }
-
-               free(arg);
-               arg = NULL;
-       }
-
-       /* Append current component's name if needed */
-       ret = convert_append_name_param(cur_comp_dest, cur_name,
-               cur_name_prefix, run_args, all_names, &source_names,
-               &filter_names, &sink_names);
-       if (ret) {
-               goto error;
-       }
-
-       /* Check for option parsing error */
-       if (opt < -1) {
-               printf_err("While parsing command-line options, at option %s: %s\n",
-                       poptBadOption(pc, 0), poptStrerror(opt));
-               goto error;
-       }
-
-       poptFreeContext(pc);
-       free(arg);
-       arg = NULL;
-
-       /*
-        * Second pass: transform the convert-specific options and
-        * arguments into implicit component instances for the run
-        * command.
-        */
-       pc = poptGetContext(NULL, argc, (const char **) argv,
-               convert_long_options, 0);
-       if (!pc) {
-               printf_err("Cannot get popt context\n");
-               goto error;
-       }
-
-       poptReadDefaultConfig(pc, 0);
-
-       while ((opt = poptGetNextOpt(pc)) > 0) {
-               arg = poptGetOptArg(pc);
-
-               switch (opt) {
-               case OPT_BEGIN:
-                       if (trimmer_has_begin) {
-                               printf("At --begin option: --begin or --timerange option already specified\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       trimmer_has_begin = true;
-                       ret = append_implicit_component_extra_param(
-                               &implicit_trimmer_args, "begin", arg);
-                       implicit_trimmer_args.exists = true;
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               case OPT_END:
-                       if (trimmer_has_end) {
-                               printf("At --end option: --end or --timerange option already specified\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       trimmer_has_end = true;
-                       ret = append_implicit_component_extra_param(
-                               &implicit_trimmer_args, "end", arg);
-                       implicit_trimmer_args.exists = true;
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               case OPT_TIMERANGE:
-               {
-                       char *begin;
-                       char *end;
-
-                       if (trimmer_has_begin || trimmer_has_end) {
-                               printf("At --timerange option: --begin, --end, or --timerange option already specified\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       ret = split_timerange(arg, &begin, &end);
-                       if (ret) {
-                               printf_err("Invalid --timerange option's argument: expecting BEGIN,END or [BEGIN,END]:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       ret = append_implicit_component_extra_param(
-                               &implicit_trimmer_args, "begin", begin);
-                       ret |= append_implicit_component_extra_param(
-                               &implicit_trimmer_args, "end", end);
-                       implicit_trimmer_args.exists = true;
-                       free(begin);
-                       free(end);
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               }
-               case OPT_CLOCK_CYCLES:
-                       append_implicit_component_param(
-                               &implicit_text_args, "clock-cycles", "yes");
-                       implicit_text_args.exists = true;
-                       break;
-               case OPT_CLOCK_DATE:
-                       append_implicit_component_param(
-                               &implicit_text_args, "clock-date", "yes");
-                       implicit_text_args.exists = true;
-                       break;
-               case OPT_CLOCK_FORCE_CORRELATE:
-                       append_implicit_component_param(
-                               &implicit_muxer_args,
-                               "assume-absolute-clock-classes", "yes");
-                       break;
-               case OPT_CLOCK_GMT:
-                       append_implicit_component_param(
-                               &implicit_text_args, "clock-gmt", "yes");
-                       append_implicit_component_param(
-                               &implicit_trimmer_args, "gmt", "yes");
-                       implicit_text_args.exists = true;
-                       break;
-               case OPT_CLOCK_OFFSET:
-                       implicit_ctf_input_args.exists = true;
-                       append_implicit_component_param(
-                                       &implicit_ctf_input_args,
-                                       "clock-class-offset-s", arg);
-                       break;
-               case OPT_CLOCK_OFFSET_NS:
-                       implicit_ctf_input_args.exists = true;
-                       append_implicit_component_param(
-                                       &implicit_ctf_input_args,
-                                       "clock-class-offset-ns", arg);
-                       break;
-               case OPT_CLOCK_SECONDS:
-                       append_implicit_component_param(
-                               &implicit_text_args, "clock-seconds", "yes");
-                       implicit_text_args.exists = true;
-                       break;
-               case OPT_COLOR:
-                       implicit_text_args.exists = true;
-                       ret = append_implicit_component_extra_param(
-                               &implicit_text_args, "color", arg);
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               case OPT_DEBUG_INFO:
-                       implicit_debug_info_args.exists = true;
-                       break;
-               case OPT_DEBUG_INFO_DIR:
-                       implicit_debug_info_args.exists = true;
-                       ret = append_implicit_component_extra_param(
-                               &implicit_debug_info_args, "debug-info-dir", arg);
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               case OPT_DEBUG_INFO_FULL_PATH:
-                       implicit_debug_info_args.exists = true;
-                       append_implicit_component_param(
-                               &implicit_debug_info_args, "full-path", "yes");
-                       break;
-               case OPT_DEBUG_INFO_TARGET_PREFIX:
-                       implicit_debug_info_args.exists = true;
-                       ret = append_implicit_component_extra_param(
-                               &implicit_debug_info_args,
-                               "target-prefix", arg);
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               case OPT_FIELDS:
-               {
-                       bt_value *fields = fields_from_arg(arg);
-
-                       if (!fields) {
-                               goto error;
-                       }
-
-                       implicit_text_args.exists = true;
-                       ret = insert_flat_params_from_array(
-                               implicit_text_args.params_arg,
-                               fields, "field");
-                       bt_value_put_ref(fields);
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               }
-               case OPT_NAMES:
-               {
-                       bt_value *names = names_from_arg(arg);
-
-                       if (!names) {
-                               goto error;
-                       }
-
-                       implicit_text_args.exists = true;
-                       ret = insert_flat_params_from_array(
-                               implicit_text_args.params_arg,
-                               names, "name");
-                       bt_value_put_ref(names);
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               }
-               case OPT_NO_DELTA:
-                       append_implicit_component_param(
-                               &implicit_text_args, "no-delta", "yes");
-                       implicit_text_args.exists = true;
-                       break;
-               case OPT_INPUT_FORMAT:
-                       if (got_input_format_opt) {
-                               printf_err("Duplicate --input-format option\n");
-                               goto error;
-                       }
-
-                       got_input_format_opt = true;
-
-                       if (strcmp(arg, "ctf") == 0) {
-                               implicit_ctf_input_args.exists = true;
-                       } else if (strcmp(arg, "lttng-live") == 0) {
-                               implicit_lttng_live_args.exists = true;
-                       } else {
-                               printf_err("Unknown legacy input format:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-                       break;
-               case OPT_OUTPUT_FORMAT:
-                       if (got_output_format_opt) {
-                               printf_err("Duplicate --output-format option\n");
-                               goto error;
-                       }
-
-                       got_output_format_opt = true;
-
-                       if (strcmp(arg, "text") == 0) {
-                               implicit_text_args.exists = true;
-                       } else if (strcmp(arg, "ctf") == 0) {
-                               implicit_ctf_output_args.exists = true;
-                       } else if (strcmp(arg, "dummy") == 0) {
-                               implicit_dummy_args.exists = true;
-                       } else if (strcmp(arg, "ctf-metadata") == 0) {
-                               print_ctf_metadata = true;
-                       } else {
-                               printf_err("Unknown legacy output format:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-                       break;
-               case OPT_OUTPUT:
-                       if (output) {
-                               printf_err("Duplicate --output option\n");
-                               goto error;
-                       }
-
-                       output = strdup(arg);
-                       if (!output) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       break;
-               case OPT_RUN_ARGS:
-                       if (print_run_args_0) {
-                               printf_err("Cannot specify --run-args and --run-args-0\n");
-                               goto error;
-                       }
-
-                       print_run_args = true;
-                       break;
-               case OPT_RUN_ARGS_0:
-                       if (print_run_args) {
-                               printf_err("Cannot specify --run-args and --run-args-0\n");
-                               goto error;
-                       }
-
-                       print_run_args_0 = true;
-                       break;
-               case OPT_STREAM_INTERSECTION:
-                       /*
-                        * Applies to all traces implementing the trace-info
-                        * query.
-                        */
-                       stream_intersection_mode = true;
-                       break;
-               case OPT_VERBOSE:
-                       if (*log_level != 'V' && *log_level != 'D') {
-                               *log_level = 'I';
-                       }
-                       break;
-               case OPT_DEBUG:
-                       *log_level = 'V';
-                       break;
-               }
-
-               free(arg);
-               arg = NULL;
-       }
-
-       /* Check for option parsing error */
-       if (opt < -1) {
-               printf_err("While parsing command-line options, at option %s: %s\n",
-                       poptBadOption(pc, 0), poptStrerror(opt));
-               goto error;
-       }
-
-       /*
-        * Legacy behaviour: --verbose used to make the `text` output
-        * format print more information. --verbose is now equivalent to
-        * the INFO log level, which is why we compare to 'I' here.
-        */
-       if (*log_level == 'I') {
-               append_implicit_component_param(&implicit_text_args,
-                       "verbose", "yes");
-       }
-
-       /*
-        * Append home and system plugin paths now that we possibly got
-        * --plugin-path.
-        */
-       if (append_home_and_system_plugin_paths(plugin_paths,
-                       force_omit_system_plugin_path,
-                       force_omit_home_plugin_path)) {
-               goto error;
-       }
-
-       /* Consume and keep leftover arguments */
-       while ((leftover = poptGetArg(pc))) {
-               bt_value_status status = bt_value_array_append_string_element(leftovers, leftover);
-               if (status != BT_VALUE_STATUS_OK) {
-                       print_err_oom();
-                       goto error;
-               }
-       }
-
-       /* Print CTF metadata or print LTTng live sessions */
-       if (print_ctf_metadata) {
-               const bt_value *bt_val_leftover;
-
-               if (bt_value_array_is_empty(leftovers)) {
-                       printf_err("--output-format=ctf-metadata specified without a path\n");
-                       goto error;
-               }
-
-               if (bt_value_array_get_size(leftovers) > 1) {
-                       printf_err("Too many paths specified for --output-format=ctf-metadata\n");
-                       goto error;
-               }
-
-               cfg = bt_config_print_ctf_metadata_create(plugin_paths);
-               if (!cfg) {
-                       goto error;
-               }
-
-               bt_val_leftover = bt_value_array_borrow_element_by_index_const(leftovers, 0);
-               g_string_assign(cfg->cmd_data.print_ctf_metadata.path,
-                               bt_value_string_get(bt_val_leftover));
-
-               if (output) {
-                       g_string_assign(
-                               cfg->cmd_data.print_ctf_metadata.output_path,
-                               output);
-               }
-
-               goto end;
-       }
-
-       /*
-        * If -o ctf was specified, make sure an output path (--output)
-        * was also specified. --output does not imply -o ctf because
-        * it's also used for the default, implicit -o text if -o ctf
-        * is not specified.
-        */
-       if (implicit_ctf_output_args.exists) {
-               if (!output) {
-                       printf_err("--output-format=ctf specified without --output (trace output path)\n");
-                       goto error;
-               }
-
-               /*
-                * At this point we know that -o ctf AND --output were
-                * specified. Make sure that no options were specified
-                * which would imply -o text because --output would be
-                * ambiguous in this case. For example, this is wrong:
-                *
-                *     babeltrace --names=all -o ctf --output=/tmp/path my-trace
-                *
-                * because --names=all implies -o text, and --output
-                * could apply to both the sink.text.pretty and
-                * sink.ctf.fs implicit components.
-                */
-               if (implicit_text_args.exists) {
-                       printf_err("Ambiguous --output option: --output-format=ctf specified but another option implies --output-format=text\n");
-                       goto error;
-               }
-       }
-
-       /*
-        * If -o dummy and -o ctf were not specified, and if there are
-        * no explicit sink components, then use an implicit
-        * `sink.text.pretty` component.
-        */
-       if (!implicit_dummy_args.exists && !implicit_ctf_output_args.exists &&
-                       !sink_names) {
-               implicit_text_args.exists = true;
-       }
-
-       /*
-        * Set implicit `sink.text.pretty` or `sink.ctf.fs` component's
-        * `path` parameter if --output was specified.
-        */
-       if (output) {
-               if (implicit_text_args.exists) {
-                       append_implicit_component_extra_param(&implicit_text_args,
-                               "path", output);
-               } else if (implicit_ctf_output_args.exists) {
-                       append_implicit_component_extra_param(&implicit_ctf_output_args,
-                               "path", output);
-               }
-       }
-
-       /* Decide where the leftover argument(s) go */
-       if (bt_value_array_get_size(leftovers) > 0) {
-               if (implicit_lttng_live_args.exists) {
-                       const bt_value *bt_val_leftover;
-
-                       if (bt_value_array_get_size(leftovers) > 1) {
-                               printf_err("Too many URLs specified for --output-format=lttng-live\n");
-                               goto error;
-                       }
-
-                       bt_val_leftover = bt_value_array_borrow_element_by_index_const(leftovers, 0);
-                       lttng_live_url_parts =
-                               bt_common_parse_lttng_live_url(bt_value_string_get(bt_val_leftover),
-                                       error_buf, sizeof(error_buf));
-                       if (!lttng_live_url_parts.proto) {
-                               printf_err("Invalid LTTng live URL format: %s\n",
-                                       error_buf);
-                               goto error;
-                       }
-
-                       if (!lttng_live_url_parts.session_name) {
-                               /* Print LTTng live sessions */
-                               cfg = bt_config_print_lttng_live_sessions_create(
-                                       plugin_paths);
-                               if (!cfg) {
-                                       goto error;
-                               }
-
-                               g_string_assign(cfg->cmd_data.print_lttng_live_sessions.url,
-                                       bt_value_string_get(bt_val_leftover));
-
-                               if (output) {
-                                       g_string_assign(
-                                               cfg->cmd_data.print_lttng_live_sessions.output_path,
-                                               output);
-                               }
-
-                               goto end;
-                       }
-
-                       ret = append_implicit_component_extra_param(
-                               &implicit_lttng_live_args, "url",
-                               bt_value_string_get(bt_val_leftover));
-                       if (ret) {
-                               goto error;
-                       }
-
-                       ret = append_implicit_component_extra_param(
-                               &implicit_lttng_live_args,
-                               "session-not-found-action", "end");
-                       if (ret) {
-                               goto error;
-                       }
-               } else {
-                       /*
-                        * Create one source.ctf.fs component, pass it an array
-                        * with the leftovers.
-                        * Note that it still has to be named later.
-                        */
-                       implicit_ctf_input_args.exists = true;
-                       ret = append_parameter_to_args(implicit_ctf_input_args.extra_params,
-                                       "paths", leftovers);
-                       if (ret) {
-                               goto error;
-                       }
-               }
-       }
-
-       /*
-        * Ensure mutual exclusion between implicit `source.ctf.fs` and
-        * `source.ctf.lttng-live` components.
-        */
-       if (implicit_ctf_input_args.exists && implicit_lttng_live_args.exists) {
-               printf_err("Cannot create both implicit `%s` and `%s` components\n",
-                       implicit_ctf_input_args.comp_arg->str,
-                       implicit_lttng_live_args.comp_arg->str);
-               goto error;
-       }
-
-       /*
-        * If the implicit `source.ctf.fs` or `source.ctf.lttng-live`
-        * components exists, make sure there's at least one leftover
-        * (which is the path or URL).
-        */
-       if (implicit_ctf_input_args.exists && bt_value_array_is_empty(leftovers)) {
-               printf_err("Missing path for implicit `%s` component\n",
-                       implicit_ctf_input_args.comp_arg->str);
-               goto error;
-       }
-
-       if (implicit_lttng_live_args.exists && bt_value_array_is_empty(leftovers)) {
-               printf_err("Missing URL for implicit `%s` component\n",
-                       implicit_lttng_live_args.comp_arg->str);
-               goto error;
-       }
-
-       /* Assign names to implicit components */
-       ret = assign_name_to_implicit_component(&implicit_ctf_input_args,
-               "source-ctf-fs", all_names, &source_names, true);
-       if (ret) {
-               goto error;
-       }
-
-       ret = assign_name_to_implicit_component(&implicit_lttng_live_args,
-               "lttng-live", all_names, &source_names, true);
-       if (ret) {
-               goto error;
-       }
-
-       ret = assign_name_to_implicit_component(&implicit_text_args,
-               "pretty", all_names, &sink_names, true);
-       if (ret) {
-               goto error;
-       }
-
-       ret = assign_name_to_implicit_component(&implicit_ctf_output_args,
-               "sink-ctf-fs", all_names, &sink_names, true);
-       if (ret) {
-               goto error;
-       }
-
-       ret = assign_name_to_implicit_component(&implicit_dummy_args,
-               "dummy", all_names, &sink_names, true);
-       if (ret) {
-               goto error;
-       }
-
-       ret = assign_name_to_implicit_component(&implicit_muxer_args,
-               "muxer", all_names, NULL, false);
-       if (ret) {
-               goto error;
-       }
-
-       ret = assign_name_to_implicit_component(&implicit_trimmer_args,
-               "trimmer", all_names, NULL, false);
-       if (ret) {
-               goto error;
-       }
-
-       ret = assign_name_to_implicit_component(&implicit_debug_info_args,
-               "debug-info", all_names, NULL, false);
-       if (ret) {
-               goto error;
-       }
-
-       /* Make sure there's at least one source and one sink */
-       if (!source_names) {
-               printf_err("No source component\n");
-               goto error;
-       }
-
-       if (!sink_names) {
-               printf_err("No sink component\n");
-               goto error;
-       }
-
-       /*
-        * Prepend the muxer, the trimmer, and the debug info to the
-        * filter chain so that we have:
-        *
-        *     sources -> muxer -> [trimmer] -> [debug info] ->
-        *                [user filters] -> sinks
-        */
-       if (implicit_debug_info_args.exists) {
-               if (g_list_prepend_gstring(&filter_names,
-                               implicit_debug_info_args.name_arg->str)) {
-                       goto error;
-               }
-       }
-
-       if (implicit_trimmer_args.exists) {
-               if (g_list_prepend_gstring(&filter_names,
-                               implicit_trimmer_args.name_arg->str)) {
-                       goto error;
-               }
-       }
-
-       if (g_list_prepend_gstring(&filter_names,
-                       implicit_muxer_args.name_arg->str)) {
-               goto error;
-       }
-
-       /*
-        * Append the equivalent run arguments for the implicit
-        * components.
-        */
-       ret = append_run_args_for_implicit_component(&implicit_ctf_input_args, run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(&implicit_lttng_live_args,
-               run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(&implicit_text_args,
-               run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(&implicit_ctf_output_args,
-               run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(&implicit_dummy_args,
-               run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(&implicit_muxer_args,
-               run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(&implicit_trimmer_args,
-               run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(&implicit_debug_info_args,
-               run_args);
-       if (ret) {
-               goto error;
-       }
-
-       /* Auto-connect components */
-       ret = convert_auto_connect(run_args, source_names, filter_names,
-                       sink_names);
-       if (ret) {
-               printf_err("Cannot auto-connect components\n");
-               goto error;
-       }
-
-       /*
-        * We have all the run command arguments now. Depending on
-        * --run-args, we pass this to the run command or print them
-        * here.
-        */
-       if (print_run_args || print_run_args_0) {
-               if (stream_intersection_mode) {
-                       printf_err("Cannot specify --stream-intersection with --run-args or --run-args-0\n");
-                       goto error;
-               }
-
-               for (i = 0; i < bt_value_array_get_size(run_args); i++) {
-                       const bt_value *arg_value =
-                               bt_value_array_borrow_element_by_index(run_args,
-                                                                      i);
-                       const char *arg;
-                       GString *quoted = NULL;
-                       const char *arg_to_print;
-
-                       BT_ASSERT(arg_value);
-                       arg = bt_value_string_get(arg_value);
-
-                       if (print_run_args) {
-                               quoted = bt_common_shell_quote(arg, true);
-                               if (!quoted) {
-                                       goto error;
-                               }
-
-                               arg_to_print = quoted->str;
-                       } else {
-                               arg_to_print = arg;
-                       }
-
-                       printf("%s", arg_to_print);
-
-                       if (quoted) {
-                               g_string_free(quoted, TRUE);
-                       }
-
-                       if (i < bt_value_array_get_size(run_args) - 1) {
-                               if (print_run_args) {
-                                       putchar(' ');
-                               } else {
-                                       putchar('\0');
-                               }
-                       }
-               }
-
-               *retcode = -1;
-               BT_OBJECT_PUT_REF_AND_RESET(cfg);
-               goto end;
-       }
-
-       cfg = bt_config_run_from_args_array(run_args, retcode,
-                                           force_omit_system_plugin_path,
-                                           force_omit_home_plugin_path,
-                                           initial_plugin_paths);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->cmd_data.run.stream_intersection_mode = stream_intersection_mode;
-       goto end;
-
-error:
-       *retcode = 1;
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
-       if (pc) {
-               poptFreeContext(pc);
-       }
-
-       free(arg);
-       free(output);
-
-       if (cur_name) {
-               g_string_free(cur_name, TRUE);
-       }
-
-       if (cur_name_prefix) {
-               g_string_free(cur_name_prefix, TRUE);
-       }
-
-       bt_value_put_ref(run_args);
-       bt_value_put_ref(all_names);
-       destroy_glist_of_gstring(source_names);
-       destroy_glist_of_gstring(filter_names);
-       destroy_glist_of_gstring(sink_names);
-       bt_value_put_ref(leftovers);
-       finalize_implicit_component_args(&implicit_ctf_input_args);
-       finalize_implicit_component_args(&implicit_ctf_output_args);
-       finalize_implicit_component_args(&implicit_lttng_live_args);
-       finalize_implicit_component_args(&implicit_dummy_args);
-       finalize_implicit_component_args(&implicit_text_args);
-       finalize_implicit_component_args(&implicit_debug_info_args);
-       finalize_implicit_component_args(&implicit_muxer_args);
-       finalize_implicit_component_args(&implicit_trimmer_args);
-       bt_value_put_ref(plugin_paths);
-       bt_common_destroy_lttng_live_url_parts(&lttng_live_url_parts);
-       return cfg;
-}
-
-/*
- * Prints the Babeltrace 2.x general usage.
- */
-static
-void print_gen_usage(FILE *fp)
-{
-       fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] [COMMAND] [COMMAND ARGUMENTS]\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "General options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "  -d, --debug          Enable debug mode (same as --log-level=V)\n");
-       fprintf(fp, "  -h, --help           Show this help and quit\n");
-       fprintf(fp, "  -l, --log-level=LVL  Set all log levels to LVL (`N`, `V`, `D`,\n");
-       fprintf(fp, "                       `I`, `W` (default), `E`, or `F`)\n");
-       fprintf(fp, "  -v, --verbose        Enable verbose mode (same as --log-level=I)\n");
-       fprintf(fp, "  -V, --version        Show version and quit\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Available commands:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "    convert       Convert and trim traces (default)\n");
-       fprintf(fp, "    help          Get help for a plugin or a component class\n");
-       fprintf(fp, "    list-plugins  List available plugins and their content\n");
-       fprintf(fp, "    query         Query objects from a component class\n");
-       fprintf(fp, "    run           Build a processing graph and run it\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Use `babeltrace COMMAND --help` to show the help of COMMAND.\n");
-}
-
-static
-char log_level_from_arg(const char *arg)
-{
-       char level = 'U';
-
-       if (strcmp(arg, "VERBOSE") == 0 ||
-                       strcmp(arg, "V") == 0) {
-               level = 'V';
-       } else if (strcmp(arg, "DEBUG") == 0 ||
-                       strcmp(arg, "D") == 0) {
-               level = 'D';
-       } else if (strcmp(arg, "INFO") == 0 ||
-                       strcmp(arg, "I") == 0) {
-               level = 'I';
-       } else if (strcmp(arg, "WARN") == 0 ||
-                       strcmp(arg, "WARNING") == 0 ||
-                       strcmp(arg, "W") == 0) {
-               level = 'W';
-       } else if (strcmp(arg, "ERROR") == 0 ||
-                       strcmp(arg, "E") == 0) {
-               level = 'E';
-       } else if (strcmp(arg, "FATAL") == 0 ||
-                       strcmp(arg, "F") == 0) {
-               level = 'F';
-       } else if (strcmp(arg, "NONE") == 0 ||
-                       strcmp(arg, "N") == 0) {
-               level = 'N';
-       }
-
-       return level;
-}
-
-struct bt_config *bt_config_cli_args_create(int argc, const char *argv[],
-               int *retcode, bool force_omit_system_plugin_path,
-               bool force_omit_home_plugin_path,
-               const bt_value *initial_plugin_paths)
-{
-       struct bt_config *config = NULL;
-       int i;
-       const char **command_argv = NULL;
-       int command_argc = -1;
-       const char *command_name = NULL;
-       char log_level = 'U';
-
-       enum command_type {
-               COMMAND_TYPE_NONE = -1,
-               COMMAND_TYPE_RUN = 0,
-               COMMAND_TYPE_CONVERT,
-               COMMAND_TYPE_LIST_PLUGINS,
-               COMMAND_TYPE_HELP,
-               COMMAND_TYPE_QUERY,
-       } command_type = COMMAND_TYPE_NONE;
-
-       *retcode = -1;
-
-       if (!initial_plugin_paths) {
-               initial_plugin_paths = bt_value_array_create();
-               if (!initial_plugin_paths) {
-                       *retcode = 1;
-                       goto end;
-               }
-       } else {
-               bt_value_get_ref(initial_plugin_paths);
-       }
-
-       if (argc <= 1) {
-               print_version();
-               puts("");
-               print_gen_usage(stdout);
-               goto end;
-       }
-
-       for (i = 1; i < argc; i++) {
-               const char *cur_arg = argv[i];
-               const char *next_arg = i == (argc - 1) ? NULL : argv[i + 1];
-
-               if (strcmp(cur_arg, "-d") == 0 ||
-                               strcmp(cur_arg, "--debug") == 0) {
-                       log_level = 'V';
-               } else if (strcmp(cur_arg, "-v") == 0 ||
-                               strcmp(cur_arg, "--verbose") == 0) {
-                       if (log_level != 'V' && log_level != 'D') {
-                               /*
-                                * Legacy: do not override a previous
-                                * --debug because --verbose and --debug
-                                * can be specified together (in this
-                                * case we want the lowest log level to
-                                * apply, VERBOSE).
-                                */
-                               log_level = 'I';
-                       }
-               } else if (strcmp(cur_arg, "--log-level") == 0 ||
-                               strcmp(cur_arg, "-l") == 0) {
-                       if (!next_arg) {
-                               printf_err("Missing log level value for --log-level option\n");
-                               *retcode = 1;
-                               goto end;
-                       }
-
-                       log_level = log_level_from_arg(next_arg);
-                       if (log_level == 'U') {
-                               printf_err("Invalid argument for --log-level option:\n    %s\n",
-                                       next_arg);
-                               *retcode = 1;
-                               goto end;
-                       }
-
-                       i++;
-               } else if (strncmp(cur_arg, "--log-level=", 12) == 0) {
-                       const char *arg = &cur_arg[12];
-
-                       log_level = log_level_from_arg(arg);
-                       if (log_level == 'U') {
-                               printf_err("Invalid argument for --log-level option:\n    %s\n",
-                                       arg);
-                               *retcode = 1;
-                               goto end;
-                       }
-               } else if (strncmp(cur_arg, "-l", 2) == 0) {
-                       const char *arg = &cur_arg[2];
-
-                       log_level = log_level_from_arg(arg);
-                       if (log_level == 'U') {
-                               printf_err("Invalid argument for --log-level option:\n    %s\n",
-                                       arg);
-                               *retcode = 1;
-                               goto end;
-                       }
-               } else if (strcmp(cur_arg, "-V") == 0 ||
-                               strcmp(cur_arg, "--version") == 0) {
-                       print_version();
-                       goto end;
-               } else if (strcmp(cur_arg, "-h") == 0 ||
-                               strcmp(cur_arg, "--help") == 0) {
-                       print_gen_usage(stdout);
-                       goto end;
-               } else {
-                       /*
-                        * First unknown argument: is it a known command
-                        * name?
-                        */
-                       command_argv = &argv[i];
-                       command_argc = argc - i;
-
-                       if (strcmp(cur_arg, "convert") == 0) {
-                               command_type = COMMAND_TYPE_CONVERT;
-                       } else if (strcmp(cur_arg, "list-plugins") == 0) {
-                               command_type = COMMAND_TYPE_LIST_PLUGINS;
-                       } else if (strcmp(cur_arg, "help") == 0) {
-                               command_type = COMMAND_TYPE_HELP;
-                       } else if (strcmp(cur_arg, "query") == 0) {
-                               command_type = COMMAND_TYPE_QUERY;
-                       } else if (strcmp(cur_arg, "run") == 0) {
-                               command_type = COMMAND_TYPE_RUN;
-                       } else {
-                               /*
-                                * Unknown argument, but not a known
-                                * command name: assume the default
-                                * `convert` command.
-                                */
-                               command_type = COMMAND_TYPE_CONVERT;
-                               command_name = "convert";
-                               command_argv = &argv[i - 1];
-                               command_argc = argc - i + 1;
-                       }
-                       break;
-               }
-       }
-
-       if (command_type == COMMAND_TYPE_NONE) {
-               /*
-                * We only got non-help, non-version general options
-                * like --verbose and --debug, without any other
-                * arguments, so we can't do anything useful: print the
-                * usage and quit.
-                */
-               print_gen_usage(stdout);
-               goto end;
-       }
-
-       BT_ASSERT(command_argv);
-       BT_ASSERT(command_argc >= 0);
-
-       switch (command_type) {
-       case COMMAND_TYPE_RUN:
-               config = bt_config_run_from_args(command_argc, command_argv,
-                       retcode, force_omit_system_plugin_path,
-                       force_omit_home_plugin_path, initial_plugin_paths);
-               break;
-       case COMMAND_TYPE_CONVERT:
-               config = bt_config_convert_from_args(command_argc, command_argv,
-                       retcode, force_omit_system_plugin_path,
-                       force_omit_home_plugin_path,
-                       initial_plugin_paths, &log_level);
-               break;
-       case COMMAND_TYPE_LIST_PLUGINS:
-               config = bt_config_list_plugins_from_args(command_argc,
-                       command_argv, retcode, force_omit_system_plugin_path,
-                       force_omit_home_plugin_path, initial_plugin_paths);
-               break;
-       case COMMAND_TYPE_HELP:
-               config = bt_config_help_from_args(command_argc,
-                       command_argv, retcode, force_omit_system_plugin_path,
-                       force_omit_home_plugin_path, initial_plugin_paths);
-               break;
-       case COMMAND_TYPE_QUERY:
-               config = bt_config_query_from_args(command_argc,
-                       command_argv, retcode, force_omit_system_plugin_path,
-                       force_omit_home_plugin_path, initial_plugin_paths);
-               break;
-       default:
-               abort();
-       }
-
-       if (config) {
-               if (log_level == 'U') {
-                       log_level = 'W';
-               }
-
-               config->log_level = log_level;
-               config->command_name = command_name;
-       }
-
-end:
-       bt_value_put_ref(initial_plugin_paths);
-       return config;
-}
diff --git a/cli/babeltrace-cfg-cli-args.h b/cli/babeltrace-cfg-cli-args.h
deleted file mode 100644 (file)
index 78899c5..0000000
+++ /dev/null
@@ -1,41 +0,0 @@
-#ifndef CLI_BABELTRACE_CFG_CLI_ARGS_H
-#define CLI_BABELTRACE_CFG_CLI_ARGS_H
-
-/*
- * Copyright 2016-2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <babeltrace/value.h>
-#include <babeltrace/object-internal.h>
-#include <babeltrace/compiler-internal.h>
-#include <babeltrace/graph/component-class.h>
-#include <glib.h>
-
-#include "babeltrace-cfg.h"
-
-struct bt_config *bt_config_cli_args_create(int argc, const char *argv[],
-               int *retcode, bool force_omit_system_plugin_path,
-               bool force_omit_home_plugin_path,
-               const bt_value *initial_plugin_paths);
-
-#endif /* CLI_BABELTRACE_CFG_CLI_ARGS_H */
diff --git a/cli/babeltrace-cfg.c b/cli/babeltrace-cfg.c
deleted file mode 100644 (file)
index 1205b21..0000000
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Babeltrace trace converter - parameter parsing
- *
- * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <babeltrace/common-internal.h>
-#include <babeltrace/babeltrace.h>
-#include <glib.h>
-#include "babeltrace-cfg.h"
-
-static
-void destroy_gstring(void *data)
-{
-       g_string_free(data, TRUE);
-}
-
-/*
- * Extracts the various paths from the string arg, delimited by ':',
- * and appends them to the array value object plugin_paths.
- */
-int bt_config_append_plugin_paths(
-               bt_value *plugin_paths, const char *arg)
-{
-       int ret = 0;
-       GPtrArray *dirs = g_ptr_array_new_with_free_func(destroy_gstring);
-       size_t i;
-
-       if (!dirs) {
-               ret = -1;
-               goto end;
-       }
-
-       ret = bt_common_append_plugin_path_dirs(arg, dirs);
-       if (ret) {
-               ret = -1;
-               goto end;
-       }
-
-       for (i = 0; i < dirs->len; i++) {
-               GString *dir = g_ptr_array_index(dirs, i);
-
-               ret = bt_value_array_append_string_element(
-                       plugin_paths, dir->str);
-               if (ret != BT_VALUE_STATUS_OK) {
-                       ret = -1;
-                       goto end;
-               }
-       }
-
-end:
-       g_ptr_array_free(dirs, TRUE);
-       return ret;
-}
-
-void bt_config_connection_destroy(struct bt_config_connection *connection)
-{
-       if (!connection) {
-               return;
-       }
-
-       if (connection->upstream_comp_name) {
-               g_string_free(connection->upstream_comp_name, TRUE);
-       }
-
-       if (connection->downstream_comp_name) {
-               g_string_free(connection->downstream_comp_name, TRUE);
-       }
-
-       if (connection->upstream_port_glob) {
-               g_string_free(connection->upstream_port_glob, TRUE);
-       }
-
-       if (connection->downstream_port_glob) {
-               g_string_free(connection->downstream_port_glob, TRUE);
-       }
-
-       if (connection->arg) {
-               g_string_free(connection->arg, TRUE);
-       }
-
-       g_free(connection);
-}
diff --git a/cli/babeltrace-cfg.h b/cli/babeltrace-cfg.h
deleted file mode 100644 (file)
index 6d98cd3..0000000
+++ /dev/null
@@ -1,142 +0,0 @@
-#ifndef CLI_BABELTRACE_CFG_H
-#define CLI_BABELTRACE_CFG_H
-
-/*
- * Babeltrace trace converter - CLI tool's configuration
- *
- * Copyright 2016-2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdbool.h>
-#include <babeltrace/value.h>
-#include <babeltrace/object-internal.h>
-#include <babeltrace/compiler-internal.h>
-#include <babeltrace/graph/component-class.h>
-#include <glib.h>
-
-enum bt_config_command {
-       BT_CONFIG_COMMAND_RUN,
-       BT_CONFIG_COMMAND_PRINT_CTF_METADATA,
-       BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS,
-       BT_CONFIG_COMMAND_LIST_PLUGINS,
-       BT_CONFIG_COMMAND_HELP,
-       BT_CONFIG_COMMAND_QUERY,
-};
-
-struct bt_config_component {
-       bt_object base;
-       bt_component_class_type type;
-       GString *plugin_name;
-       GString *comp_cls_name;
-       bt_value *params;
-       GString *instance_name;
-};
-
-struct bt_config_connection {
-       GString *upstream_comp_name;
-       GString *downstream_comp_name;
-       GString *upstream_port_glob;
-       GString *downstream_port_glob;
-       GString *arg;
-};
-
-struct bt_config {
-       bt_object base;
-       bool debug;
-       bool verbose;
-       bt_value *plugin_paths;
-       bool omit_system_plugin_path;
-       bool omit_home_plugin_path;
-       bool command_needs_plugins;
-       const char *command_name;
-       char log_level;
-       enum bt_config_command command;
-       union {
-               /* BT_CONFIG_COMMAND_RUN */
-               struct {
-                       /* Array of pointers to struct bt_config_component */
-                       GPtrArray *sources;
-
-                       /* Array of pointers to struct bt_config_component */
-                       GPtrArray *filters;
-
-                       /* Array of pointers to struct bt_config_component */
-                       GPtrArray *sinks;
-
-                       /* Array of pointers to struct bt_config_connection */
-                       GPtrArray *connections;
-
-                       /*
-                        * Number of microseconds to sleep when we need
-                        * to retry to run the graph.
-                        */
-                       uint64_t retry_duration_us;
-
-                       /*
-                        * Whether or not to trim the source trace to the
-                        * intersection of its streams.
-                        */
-                       bool stream_intersection_mode;
-               } run;
-
-               /* BT_CONFIG_COMMAND_HELP */
-               struct {
-                       struct bt_config_component *cfg_component;
-               } help;
-
-               /* BT_CONFIG_COMMAND_QUERY */
-               struct {
-                       GString *object;
-                       struct bt_config_component *cfg_component;
-               } query;
-
-               /* BT_CONFIG_COMMAND_PRINT_CTF_METADATA */
-               struct {
-                       GString *path;
-                       GString *output_path;
-               } print_ctf_metadata;
-
-               /* BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS */
-               struct {
-                       GString *url;
-                       GString *output_path;
-               } print_lttng_live_sessions;
-       } cmd_data;
-};
-
-static inline
-struct bt_config_component *bt_config_get_component(GPtrArray *array,
-               size_t index)
-{
-       struct bt_config_component *comp = g_ptr_array_index(array, index);
-
-       bt_object_get_ref(comp);
-       return comp;
-}
-
-int bt_config_append_plugin_paths(bt_value *plugin_paths,
-               const char *arg);
-
-void bt_config_connection_destroy(struct bt_config_connection *connection);
-
-#endif /* CLI_BABELTRACE_CFG_H */
diff --git a/cli/babeltrace-log.c b/cli/babeltrace-log.c
deleted file mode 100644 (file)
index d429ceb..0000000
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdbool.h>
-#include <string.h>
-#include <babeltrace/assert-internal.h>
-#include <babeltrace/babeltrace.h>
-#include <popt.h>
-#include <glib.h>
-
-static
-void print_usage(FILE *fp)
-{
-       fprintf(stderr, "Usage: babeltrace-log [OPTIONS] OUTPUT-PATH\n");
-       fprintf(stderr, "\n");
-       fprintf(stderr, "Options:\n");
-       fprintf(stderr, "\n");
-       fprintf(stderr, "  -t, --with-timestamps  Extract timestamps from lines and map them to\n");
-       fprintf(stderr, "                         a CTF clock class\n");
-}
-
-static
-int parse_params(int argc, char *argv[], char **output_path,
-               bool *no_extract_ts)
-{
-       enum {
-               OPT_WITH_TIMESTAMPS = 1,
-               OPT_HELP = 2,
-       };
-       static struct poptOption opts[] = {
-               { "with-timestamps", 't', POPT_ARG_NONE, NULL, OPT_WITH_TIMESTAMPS, NULL, NULL },
-               { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
-               { NULL, '\0', 0, NULL, 0, NULL, NULL },
-       };
-       poptContext pc = NULL;
-       int opt;
-       int ret = 0;
-       const char *leftover;
-
-       *no_extract_ts = true;
-       pc = poptGetContext(NULL, argc, (const char **) argv, opts, 0);
-       if (!pc) {
-               fprintf(stderr, "Cannot get popt context\n");
-               goto error;
-       }
-
-       poptReadDefaultConfig(pc, 0);
-
-       while ((opt = poptGetNextOpt(pc)) > 0) {
-               switch (opt) {
-               case OPT_HELP:
-                       print_usage(stdout);
-                       goto end;
-               case OPT_WITH_TIMESTAMPS:
-                       *no_extract_ts = false;
-                       break;
-               default:
-                       fprintf(stderr, "Unknown command-line option specified (option code %d)\n",
-                               opt);
-                       goto error;
-               }
-       }
-
-       if (opt < -1) {
-               fprintf(stderr, "While parsing command-line options, at option %s: %s\n",
-                       poptBadOption(pc, 0), poptStrerror(opt));
-               goto error;
-       }
-
-       leftover = poptGetArg(pc);
-       if (!leftover) {
-               fprintf(stderr, "Command line error: Missing output path\n");
-               print_usage(stderr);
-               goto error;
-       }
-
-       *output_path = strdup(leftover);
-       BT_ASSERT(*output_path);
-       goto end;
-
-error:
-       ret = 1;
-
-end:
-       if (pc) {
-               poptFreeContext(pc);
-       }
-
-       return ret;
-}
-
-int main(int argc, char *argv[])
-{
-       char *output_path = NULL;
-       bool no_extract_ts;
-       int retcode;
-       GError *error = NULL;
-       gchar *bt_argv[] = {
-               BT_CLI_PATH,
-               "run",
-               "--component",
-               "dmesg:src.text.dmesg",
-               "--params",
-               NULL, /* no-extract-timestamp=? placeholder */
-               "--component",
-               "ctf:sink.ctf.fs",
-               "--key",
-               "path",
-               "--value",
-               NULL, /* output path placeholder */
-               "--params",
-               "single-trace=yes",
-               "--connect",
-               "dmesg:ctf",
-               NULL, /* sentinel */
-       };
-
-       retcode = parse_params(argc, argv, &output_path, &no_extract_ts);
-       if (retcode) {
-               goto end;
-       }
-
-       if (no_extract_ts) {
-               bt_argv[5] = "no-extract-timestamp=yes";
-       } else {
-               bt_argv[5] = "no-extract-timestamp=no";
-       }
-
-       bt_argv[11] = output_path;
-       (void) g_spawn_sync(NULL, bt_argv, NULL,
-               G_SPAWN_CHILD_INHERITS_STDIN, NULL, NULL,
-               NULL, NULL, &retcode, &error);
-
-       if (error) {
-               fprintf(stderr, "Failed to execute \"%s\": %s (%d)\n",
-                       bt_argv[0], error->message, error->code);
-       }
-
-end:
-       free(output_path);
-
-       if (error) {
-               g_error_free(error);
-       }
-
-       return retcode;
-}
diff --git a/cli/babeltrace.c b/cli/babeltrace.c
deleted file mode 100644 (file)
index 913a742..0000000
+++ /dev/null
@@ -1,2950 +0,0 @@
-/*
- * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
- *
- * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#define BT_LOG_TAG "CLI"
-#include "logging.h"
-
-#include <babeltrace/babeltrace.h>
-#include <babeltrace/common-internal.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <popt.h>
-#include <string.h>
-#include <stdio.h>
-#include <glib.h>
-#include <inttypes.h>
-#include <unistd.h>
-#include <signal.h>
-#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-cli-args.h"
-#include "babeltrace-cfg-cli-args-default.h"
-
-#define ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH "BABELTRACE_CLI_WARN_COMMAND_NAME_DIRECTORY_CLASH"
-#define ENV_BABELTRACE_CLI_LOG_LEVEL "BABELTRACE_CLI_LOG_LEVEL"
-#define NSEC_PER_SEC   1000000000LL
-
-/*
- * Known environment variable names for the log levels of the project's
- * modules.
- */
-static const char* log_level_env_var_names[] = {
-       "BABELTRACE_COMMON_LOG_LEVEL",
-       "BABELTRACE_COMPAT_LOG_LEVEL",
-       "BABELTRACE_CTFSER_LOG_LEVEL",
-       "BABELTRACE_FD_CACHE_LOG_LEVEL",
-       "BABELTRACE_FLT_LTTNG_UTILS_DEBUG_INFO_LOG_LEVEL",
-       "BABELTRACE_FLT_UTILS_COUNTER_LOG_LEVEL",
-       "BABELTRACE_FLT_UTILS_MUXER_LOG_LEVEL",
-       "BABELTRACE_FLT_UTILS_TRIMMER_LOG_LEVEL",
-       "BABELTRACE_PLUGIN_CTF_BFCR_LOG_LEVEL",
-       "BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
-       "BABELTRACE_PLUGIN_CTF_MSG_ITER_LOG_LEVEL",
-       "BABELTRACE_PLUGIN_CTF_UTILS_LOG_LEVEL",
-       "BABELTRACE_PYTHON_BT2_LOG_LEVEL",
-       "BABELTRACE_SINK_CTF_FS_LOG_LEVEL",
-       "BABELTRACE_SINK_TEXT_PRETTY_LOG_LEVEL",
-       "BABELTRACE_SRC_CTF_FS_LOG_LEVEL",
-       "BABELTRACE_SRC_CTF_LTTNG_LIVE_LOG_LEVEL",
-       "BABELTRACE_SRC_TEXT_DMESG_LOG_LEVEL",
-       NULL,
-};
-
-/* Application's processing graph (weak) */
-static bt_graph *the_graph;
-static bt_query_executor *the_query_executor;
-static bool canceled = false;
-
-GPtrArray *loaded_plugins;
-
-#ifdef __MINGW32__
-
-#include <windows.h>
-
-static
-BOOL WINAPI signal_handler(DWORD signal) {
-       if (the_graph) {
-               bt_graph_cancel(the_graph);
-       }
-
-       canceled = true;
-
-       return TRUE;
-}
-
-static
-void set_signal_handler(void)
-{
-       if (!SetConsoleCtrlHandler(signal_handler, TRUE)) {
-               BT_LOGE("Failed to set the ctrl+c handler.");
-       }
-}
-
-#else /* __MINGW32__ */
-
-static
-void signal_handler(int signum)
-{
-       if (signum != SIGINT) {
-               return;
-       }
-
-       if (the_graph) {
-               bt_graph_cancel(the_graph);
-       }
-
-       if (the_query_executor) {
-               bt_query_executor_cancel(the_query_executor);
-       }
-
-       canceled = true;
-}
-
-static
-void set_signal_handler(void)
-{
-       struct sigaction new_action, old_action;
-
-       new_action.sa_handler = signal_handler;
-       sigemptyset(&new_action.sa_mask);
-       new_action.sa_flags = 0;
-       sigaction(SIGINT, NULL, &old_action);
-
-       if (old_action.sa_handler != SIG_IGN) {
-               sigaction(SIGINT, &new_action, NULL);
-       }
-}
-
-#endif /* __MINGW32__ */
-
-static
-void init_static_data(void)
-{
-       loaded_plugins = g_ptr_array_new_with_free_func(
-               (GDestroyNotify) bt_object_put_ref);
-}
-
-static
-void fini_static_data(void)
-{
-       g_ptr_array_free(loaded_plugins, TRUE);
-}
-
-static
-int create_the_query_executor(void)
-{
-       int ret = 0;
-
-       the_query_executor = bt_query_executor_create();
-       if (!the_query_executor) {
-               BT_LOGE_STR("Cannot create a query executor.");
-               ret = -1;
-       }
-
-       return ret;
-}
-
-static
-void destroy_the_query_executor(void)
-{
-       BT_QUERY_EXECUTOR_PUT_REF_AND_RESET(the_query_executor);
-}
-
-static
-int query(const bt_component_class *comp_cls, const char *obj,
-               const bt_value *params, const bt_value **user_result,
-               const char **fail_reason)
-{
-       const bt_value *result = NULL;
-       bt_query_executor_status status;
-       *fail_reason = "unknown error";
-       int ret = 0;
-
-       BT_ASSERT(fail_reason);
-       BT_ASSERT(user_result);
-       ret = create_the_query_executor();
-       if (ret) {
-               /* create_the_query_executor() logs errors */
-               goto end;
-       }
-
-       if (canceled) {
-               BT_LOGI("Canceled by user before executing the query: "
-                       "comp-cls-addr=%p, comp-cls-name=\"%s\", "
-                       "query-obj=\"%s\"", comp_cls,
-                       bt_component_class_get_name(comp_cls), obj);
-               *fail_reason = "canceled by user";
-               goto error;
-       }
-
-       while (true) {
-               status = bt_query_executor_query(the_query_executor,
-                       comp_cls, obj, params, &result);
-               switch (status) {
-               case BT_QUERY_EXECUTOR_STATUS_OK:
-                       goto ok;
-               case BT_QUERY_EXECUTOR_STATUS_AGAIN:
-               {
-                       const uint64_t sleep_time_us = 100000;
-
-                       /* Wait 100 ms and retry */
-                       BT_LOGV("Got BT_QUERY_EXECUTOR_STATUS_AGAIN: sleeping: "
-                               "time-us=%" PRIu64, sleep_time_us);
-
-                       if (usleep(sleep_time_us)) {
-                               if (bt_query_executor_is_canceled(the_query_executor)) {
-                                       BT_LOGI("Query was canceled by user: "
-                                               "comp-cls-addr=%p, comp-cls-name=\"%s\", "
-                                               "query-obj=\"%s\"", comp_cls,
-                                               bt_component_class_get_name(comp_cls),
-                                               obj);
-                                       *fail_reason = "canceled by user";
-                                       goto error;
-                               }
-                       }
-
-                       continue;
-               }
-               case BT_QUERY_EXECUTOR_STATUS_CANCELED:
-                       *fail_reason = "canceled by user";
-                       goto error;
-               case BT_QUERY_EXECUTOR_STATUS_ERROR:
-                       goto error;
-               case BT_QUERY_EXECUTOR_STATUS_INVALID_OBJECT:
-                       *fail_reason = "invalid or unknown query object";
-                       goto error;
-               case BT_QUERY_EXECUTOR_STATUS_INVALID_PARAMS:
-                       *fail_reason = "invalid query parameters";
-                       goto error;
-               case BT_QUERY_EXECUTOR_STATUS_UNSUPPORTED:
-                       *fail_reason = "unsupported action";
-                       goto error;
-               case BT_QUERY_EXECUTOR_STATUS_NOMEM:
-                       *fail_reason = "not enough memory";
-                       goto error;
-               default:
-                       BT_LOGF("Unknown query status: status=%d", status);
-                       abort();
-               }
-       }
-
-ok:
-       *user_result = result;
-       result = NULL;
-       goto end;
-
-error:
-       ret = -1;
-
-end:
-       destroy_the_query_executor();
-       bt_value_put_ref(result);
-       return ret;
-}
-
-static
-const bt_plugin *find_plugin(const char *name)
-{
-       int i;
-       const bt_plugin *plugin = NULL;
-
-       BT_ASSERT(name);
-       BT_LOGD("Finding plugin: name=\"%s\"", name);
-
-       for (i = 0; i < loaded_plugins->len; i++) {
-               plugin = g_ptr_array_index(loaded_plugins, i);
-
-               if (strcmp(name, bt_plugin_get_name(plugin)) == 0) {
-                       break;
-               }
-
-               plugin = NULL;
-       }
-
-       if (BT_LOG_ON_DEBUG) {
-               if (plugin) {
-                       BT_LOGD("Found plugin: plugin-addr=%p", plugin);
-               } else {
-                       BT_LOGD("Cannot find plugin.");
-               }
-       }
-
-       bt_plugin_get_ref(plugin);
-       return plugin;
-}
-
-typedef const void *(*plugin_borrow_comp_cls_func_t)(
-               const bt_plugin *, const char *);
-
-static
-const void *find_component_class_from_plugin(const char *plugin_name,
-               const char *comp_class_name,
-               plugin_borrow_comp_cls_func_t plugin_borrow_comp_cls_func)
-{
-       const void *comp_class = NULL;
-       const bt_plugin *plugin;
-
-       BT_LOGD("Finding component class: plugin-name=\"%s\", "
-               "comp-cls-name=\"%s\"", plugin_name, comp_class_name);
-
-       plugin = find_plugin(plugin_name);
-       if (!plugin) {
-               goto end;
-       }
-
-       comp_class = plugin_borrow_comp_cls_func(plugin, comp_class_name);
-       bt_object_get_ref(comp_class);
-       BT_PLUGIN_PUT_REF_AND_RESET(plugin);
-
-end:
-       if (BT_LOG_ON_DEBUG) {
-               if (comp_class) {
-                       BT_LOGD("Found component class: comp-cls-addr=%p",
-                               comp_class);
-               } else {
-                       BT_LOGD("Cannot find source component class.");
-               }
-       }
-
-       return comp_class;
-}
-
-static
-const bt_component_class_source *find_source_component_class(
-               const char *plugin_name, const char *comp_class_name)
-{
-       return (const void *) find_component_class_from_plugin(
-               plugin_name, comp_class_name,
-               (plugin_borrow_comp_cls_func_t)
-                       bt_plugin_borrow_source_component_class_by_name_const);
-}
-
-static
-const bt_component_class_filter *find_filter_component_class(
-               const char *plugin_name, const char *comp_class_name)
-{
-       return (const void *) find_component_class_from_plugin(
-               plugin_name, comp_class_name,
-               (plugin_borrow_comp_cls_func_t)
-                       bt_plugin_borrow_filter_component_class_by_name_const);
-}
-
-static
-const bt_component_class_sink *find_sink_component_class(
-               const char *plugin_name, const char *comp_class_name)
-{
-       return (const void *) find_component_class_from_plugin(plugin_name,
-               comp_class_name,
-               (plugin_borrow_comp_cls_func_t)
-                       bt_plugin_borrow_sink_component_class_by_name_const);
-}
-
-static
-const bt_component_class *find_component_class(const char *plugin_name,
-               const char *comp_class_name,
-               bt_component_class_type comp_class_type)
-{
-       const bt_component_class *comp_cls = NULL;
-
-       switch (comp_class_type) {
-       case BT_COMPONENT_CLASS_TYPE_SOURCE:
-               comp_cls = bt_component_class_source_as_component_class_const(find_source_component_class(plugin_name, comp_class_name));
-               break;
-       case BT_COMPONENT_CLASS_TYPE_FILTER:
-               comp_cls = bt_component_class_filter_as_component_class_const(find_filter_component_class(plugin_name, comp_class_name));
-               break;
-       case BT_COMPONENT_CLASS_TYPE_SINK:
-               comp_cls = bt_component_class_sink_as_component_class_const(find_sink_component_class(plugin_name, comp_class_name));
-               break;
-       default:
-               abort();
-       }
-
-       return comp_cls;
-}
-
-static
-void print_indent(FILE *fp, size_t indent)
-{
-       size_t i;
-
-       for (i = 0; i < indent; i++) {
-               fprintf(fp, " ");
-       }
-}
-
-static
-const char *component_type_str(bt_component_class_type type)
-{
-       switch (type) {
-       case BT_COMPONENT_CLASS_TYPE_SOURCE:
-               return "source";
-       case BT_COMPONENT_CLASS_TYPE_SINK:
-               return "sink";
-       case BT_COMPONENT_CLASS_TYPE_FILTER:
-               return "filter";
-       default:
-               return "(unknown)";
-       }
-}
-
-static
-void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
-               const char *comp_cls_name, bt_component_class_type type)
-{
-       GString *shell_plugin_name = NULL;
-       GString *shell_comp_cls_name = NULL;
-
-       shell_plugin_name = bt_common_shell_quote(plugin_name, false);
-       if (!shell_plugin_name) {
-               goto end;
-       }
-
-       shell_comp_cls_name = bt_common_shell_quote(comp_cls_name, false);
-       if (!shell_comp_cls_name) {
-               goto end;
-       }
-
-       fprintf(fh, "'%s%s%s%s.%s%s%s.%s%s%s'",
-               bt_common_color_bold(),
-               bt_common_color_fg_cyan(),
-               component_type_str(type),
-               bt_common_color_fg_default(),
-               bt_common_color_fg_blue(),
-               shell_plugin_name->str,
-               bt_common_color_fg_default(),
-               bt_common_color_fg_yellow(),
-               shell_comp_cls_name->str,
-               bt_common_color_reset());
-
-end:
-       if (shell_plugin_name) {
-               g_string_free(shell_plugin_name, TRUE);
-       }
-
-       if (shell_comp_cls_name) {
-               g_string_free(shell_comp_cls_name, TRUE);
-       }
-}
-
-static
-void print_value(FILE *, const bt_value *, size_t);
-
-static
-void print_value_rec(FILE *, const bt_value *, size_t);
-
-struct print_map_value_data {
-       size_t indent;
-       FILE *fp;
-};
-
-static
-bt_bool print_map_value(const char *key, const bt_value *object,
-               void *data)
-{
-       struct print_map_value_data *print_map_value_data = data;
-
-       print_indent(print_map_value_data->fp, print_map_value_data->indent);
-       fprintf(print_map_value_data->fp, "%s: ", key);
-       BT_ASSERT(object);
-
-       if (bt_value_is_array(object) &&
-                       bt_value_array_is_empty(object)) {
-               fprintf(print_map_value_data->fp, "[ ]\n");
-               return true;
-       }
-
-       if (bt_value_is_map(object) &&
-                       bt_value_map_is_empty(object)) {
-               fprintf(print_map_value_data->fp, "{ }\n");
-               return true;
-       }
-
-       if (bt_value_is_array(object) ||
-                       bt_value_is_map(object)) {
-               fprintf(print_map_value_data->fp, "\n");
-       }
-
-       print_value_rec(print_map_value_data->fp, object,
-               print_map_value_data->indent + 2);
-       return BT_TRUE;
-}
-
-static
-void print_value_rec(FILE *fp, const bt_value *value, size_t indent)
-{
-       bt_bool bool_val;
-       int64_t int_val;
-       uint64_t uint_val;
-       double dbl_val;
-       const char *str_val;
-       int size;
-       int i;
-
-       if (!value) {
-               return;
-       }
-
-       switch (bt_value_get_type(value)) {
-       case BT_VALUE_TYPE_NULL:
-               fprintf(fp, "%snull%s\n", bt_common_color_bold(),
-                       bt_common_color_reset());
-               break;
-       case BT_VALUE_TYPE_BOOL:
-               bool_val = bt_value_bool_get(value);
-               fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
-                       bt_common_color_fg_cyan(), bool_val ? "yes" : "no",
-                       bt_common_color_reset());
-               break;
-       case BT_VALUE_TYPE_UNSIGNED_INTEGER:
-               uint_val = bt_value_unsigned_integer_get(value);
-               fprintf(fp, "%s%s%" PRIu64 "%s\n", bt_common_color_bold(),
-                       bt_common_color_fg_red(), uint_val,
-                       bt_common_color_reset());
-               break;
-       case BT_VALUE_TYPE_SIGNED_INTEGER:
-               int_val = bt_value_signed_integer_get(value);
-               fprintf(fp, "%s%s%" PRId64 "%s\n", bt_common_color_bold(),
-                       bt_common_color_fg_red(), int_val,
-                       bt_common_color_reset());
-               break;
-       case BT_VALUE_TYPE_REAL:
-               dbl_val = bt_value_real_get(value);
-               fprintf(fp, "%s%s%lf%s\n", bt_common_color_bold(),
-                       bt_common_color_fg_red(), dbl_val,
-                       bt_common_color_reset());
-               break;
-       case BT_VALUE_TYPE_STRING:
-               str_val = bt_value_string_get(value);
-               fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
-                       bt_common_color_fg_green(), str_val,
-                       bt_common_color_reset());
-               break;
-       case BT_VALUE_TYPE_ARRAY:
-               size = bt_value_array_get_size(value);
-               if (size < 0) {
-                       goto error;
-               }
-
-               if (size == 0) {
-                       print_indent(fp, indent);
-                       fprintf(fp, "[ ]\n");
-                       break;
-               }
-
-               for (i = 0; i < size; i++) {
-                       const bt_value *element =
-                               bt_value_array_borrow_element_by_index_const(
-                                       value, i);
-
-                       if (!element) {
-                               goto error;
-                       }
-                       print_indent(fp, indent);
-                       fprintf(fp, "- ");
-
-                       if (bt_value_is_array(element) &&
-                                       bt_value_array_is_empty(element)) {
-                               fprintf(fp, "[ ]\n");
-                               continue;
-                       }
-
-                       if (bt_value_is_map(element) &&
-                                       bt_value_map_is_empty(element)) {
-                               fprintf(fp, "{ }\n");
-                               continue;
-                       }
-
-                       if (bt_value_is_array(element) ||
-                                       bt_value_is_map(element)) {
-                               fprintf(fp, "\n");
-                       }
-
-                       print_value_rec(fp, element, indent + 2);
-               }
-               break;
-       case BT_VALUE_TYPE_MAP:
-       {
-               struct print_map_value_data data = {
-                       .indent = indent,
-                       .fp = fp,
-               };
-
-               if (bt_value_map_is_empty(value)) {
-                       print_indent(fp, indent);
-                       fprintf(fp, "{ }\n");
-                       break;
-               }
-
-               bt_value_map_foreach_entry_const(value, print_map_value, &data);
-               break;
-       }
-       default:
-               abort();
-       }
-       return;
-
-error:
-       BT_LOGE("Error printing value of type %s.",
-               bt_common_value_type_string(bt_value_get_type(value)));
-}
-
-static
-void print_value(FILE *fp, const bt_value *value, size_t indent)
-{
-       if (!bt_value_is_array(value) && !bt_value_is_map(value)) {
-               print_indent(fp, indent);
-       }
-
-       print_value_rec(fp, value, indent);
-}
-
-static
-void print_bt_config_component(struct bt_config_component *bt_config_component)
-{
-       fprintf(stderr, "    ");
-       print_plugin_comp_cls_opt(stderr, bt_config_component->plugin_name->str,
-               bt_config_component->comp_cls_name->str,
-               bt_config_component->type);
-       fprintf(stderr, ":\n");
-
-       if (bt_config_component->instance_name->len > 0) {
-               fprintf(stderr, "      Name: %s\n",
-                       bt_config_component->instance_name->str);
-       }
-
-       fprintf(stderr, "      Parameters:\n");
-       print_value(stderr, bt_config_component->params, 8);
-}
-
-static
-void print_bt_config_components(GPtrArray *array)
-{
-       size_t i;
-
-       for (i = 0; i < array->len; i++) {
-               struct bt_config_component *cfg_component =
-                               bt_config_get_component(array, i);
-               print_bt_config_component(cfg_component);
-               BT_OBJECT_PUT_REF_AND_RESET(cfg_component);
-       }
-}
-
-static
-void print_plugin_paths(const bt_value *plugin_paths)
-{
-       fprintf(stderr, "  Plugin paths:\n");
-       print_value(stderr, plugin_paths, 4);
-}
-
-static
-void print_cfg_run(struct bt_config *cfg)
-{
-       size_t i;
-
-       print_plugin_paths(cfg->plugin_paths);
-       fprintf(stderr, "  Source component instances:\n");
-       print_bt_config_components(cfg->cmd_data.run.sources);
-
-       if (cfg->cmd_data.run.filters->len > 0) {
-               fprintf(stderr, "  Filter component instances:\n");
-               print_bt_config_components(cfg->cmd_data.run.filters);
-       }
-
-       fprintf(stderr, "  Sink component instances:\n");
-       print_bt_config_components(cfg->cmd_data.run.sinks);
-       fprintf(stderr, "  Connections:\n");
-
-       for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
-               struct bt_config_connection *cfg_connection =
-                       g_ptr_array_index(cfg->cmd_data.run.connections,
-                               i);
-
-               fprintf(stderr, "    %s%s%s -> %s%s%s\n",
-                       cfg_connection->upstream_comp_name->str,
-                       cfg_connection->upstream_port_glob->len > 0 ? "." : "",
-                       cfg_connection->upstream_port_glob->str,
-                       cfg_connection->downstream_comp_name->str,
-                       cfg_connection->downstream_port_glob->len > 0 ? "." : "",
-                       cfg_connection->downstream_port_glob->str);
-       }
-}
-
-static
-void print_cfg_list_plugins(struct bt_config *cfg)
-{
-       print_plugin_paths(cfg->plugin_paths);
-}
-
-static
-void print_cfg_help(struct bt_config *cfg)
-{
-       print_plugin_paths(cfg->plugin_paths);
-}
-
-static
-void print_cfg_print_ctf_metadata(struct bt_config *cfg)
-{
-       print_plugin_paths(cfg->plugin_paths);
-       fprintf(stderr, "  Path: %s\n",
-               cfg->cmd_data.print_ctf_metadata.path->str);
-}
-
-static
-void print_cfg_print_lttng_live_sessions(struct bt_config *cfg)
-{
-       print_plugin_paths(cfg->plugin_paths);
-       fprintf(stderr, "  URL: %s\n",
-               cfg->cmd_data.print_lttng_live_sessions.url->str);
-}
-
-static
-void print_cfg_query(struct bt_config *cfg)
-{
-       print_plugin_paths(cfg->plugin_paths);
-       fprintf(stderr, "  Object: `%s`\n", cfg->cmd_data.query.object->str);
-       fprintf(stderr, "  Component class:\n");
-       print_bt_config_component(cfg->cmd_data.query.cfg_component);
-}
-
-static
-void print_cfg(struct bt_config *cfg)
-{
-       if (!BT_LOG_ON_INFO) {
-               return;
-       }
-
-       BT_LOGI_STR("Configuration:");
-       fprintf(stderr, "  Debug mode: %s\n", cfg->debug ? "yes" : "no");
-       fprintf(stderr, "  Verbose mode: %s\n", cfg->verbose ? "yes" : "no");
-
-       switch (cfg->command) {
-       case BT_CONFIG_COMMAND_RUN:
-               print_cfg_run(cfg);
-               break;
-       case BT_CONFIG_COMMAND_LIST_PLUGINS:
-               print_cfg_list_plugins(cfg);
-               break;
-       case BT_CONFIG_COMMAND_HELP:
-               print_cfg_help(cfg);
-               break;
-       case BT_CONFIG_COMMAND_QUERY:
-               print_cfg_query(cfg);
-               break;
-       case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
-               print_cfg_print_ctf_metadata(cfg);
-               break;
-       case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
-               print_cfg_print_lttng_live_sessions(cfg);
-               break;
-       default:
-               abort();
-       }
-}
-
-static
-void add_to_loaded_plugins(const bt_plugin_set *plugin_set)
-{
-       int64_t i;
-       int64_t count;
-
-       count = bt_plugin_set_get_plugin_count(plugin_set);
-       BT_ASSERT(count >= 0);
-
-       for (i = 0; i < count; i++) {
-               const bt_plugin *plugin =
-                       bt_plugin_set_borrow_plugin_by_index_const(plugin_set, i);
-               const bt_plugin *loaded_plugin =
-                       find_plugin(bt_plugin_get_name(plugin));
-
-               BT_ASSERT(plugin);
-
-               if (loaded_plugin) {
-                       BT_LOGI("Not using plugin: another one already exists with the same name: "
-                               "plugin-name=\"%s\", plugin-path=\"%s\", "
-                               "existing-plugin-path=\"%s\"",
-                               bt_plugin_get_name(plugin),
-                               bt_plugin_get_path(plugin),
-                               bt_plugin_get_path(loaded_plugin));
-                       bt_plugin_put_ref(loaded_plugin);
-               } else {
-                       /* Add to global array. */
-                       BT_LOGD("Adding plugin to loaded plugins: plugin-path=\"%s\"",
-                               bt_plugin_get_name(plugin));
-                       bt_plugin_get_ref(plugin);
-                       g_ptr_array_add(loaded_plugins, (void *) plugin);
-               }
-       }
-}
-
-static
-int load_dynamic_plugins(const bt_value *plugin_paths)
-{
-       int nr_paths, i, ret = 0;
-
-       nr_paths = bt_value_array_get_size(plugin_paths);
-       if (nr_paths < 0) {
-               BT_LOGE_STR("Cannot load dynamic plugins: no plugin path.");
-               ret = -1;
-               goto end;
-       }
-
-       BT_LOGI("Loading dynamic plugins.");
-
-       for (i = 0; i < nr_paths; i++) {
-               const bt_value *plugin_path_value = NULL;
-               const char *plugin_path;
-               const bt_plugin_set *plugin_set;
-
-               plugin_path_value =
-                       bt_value_array_borrow_element_by_index_const(
-                               plugin_paths, i);
-               plugin_path = bt_value_string_get(plugin_path_value);
-
-               /*
-                * Skip this if the directory does not exist because
-                * bt_plugin_find_all_from_dir() expects an existing
-                * directory.
-                */
-               if (!g_file_test(plugin_path, G_FILE_TEST_IS_DIR)) {
-                       BT_LOGV("Skipping nonexistent directory path: "
-                               "path=\"%s\"", plugin_path);
-                       continue;
-               }
-
-               plugin_set = bt_plugin_find_all_from_dir(plugin_path, false);
-               if (!plugin_set) {
-                       BT_LOGD("Unable to load dynamic plugins: path=\"%s\"",
-                               plugin_path);
-                       continue;
-               }
-
-               add_to_loaded_plugins(plugin_set);
-               bt_plugin_set_put_ref(plugin_set);
-       }
-end:
-       return ret;
-}
-
-static
-int load_static_plugins(void)
-{
-       int ret = 0;
-       const bt_plugin_set *plugin_set;
-
-       BT_LOGI("Loading static plugins.");
-       plugin_set = bt_plugin_find_all_from_static();
-       if (!plugin_set) {
-               BT_LOGE("Unable to load static plugins.");
-               ret = -1;
-               goto end;
-       }
-
-       add_to_loaded_plugins(plugin_set);
-       bt_plugin_set_put_ref(plugin_set);
-end:
-       return ret;
-}
-
-static
-int load_all_plugins(const bt_value *plugin_paths)
-{
-       int ret = 0;
-
-       if (load_dynamic_plugins(plugin_paths)) {
-               ret = -1;
-               goto end;
-       }
-
-       if (load_static_plugins()) {
-               ret = -1;
-               goto end;
-       }
-
-       BT_LOGI("Loaded all plugins: count=%u", loaded_plugins->len);
-
-end:
-       return ret;
-}
-
-static
-void print_plugin_info(const bt_plugin *plugin)
-{
-       unsigned int major, minor, patch;
-       const char *extra;
-       bt_property_availability version_avail;
-       const char *plugin_name;
-       const char *path;
-       const char *author;
-       const char *license;
-       const char *plugin_description;
-
-       plugin_name = bt_plugin_get_name(plugin);
-       path = bt_plugin_get_path(plugin);
-       author = bt_plugin_get_author(plugin);
-       license = bt_plugin_get_license(plugin);
-       plugin_description = bt_plugin_get_description(plugin);
-       version_avail = bt_plugin_get_version(plugin, &major, &minor,
-               &patch, &extra);
-       printf("%s%s%s%s:\n", bt_common_color_bold(),
-               bt_common_color_fg_blue(), plugin_name,
-               bt_common_color_reset());
-       if (path) {
-               printf("  %sPath%s: %s\n", bt_common_color_bold(),
-                       bt_common_color_reset(), path);
-       } else {
-               puts("  Built-in");
-       }
-
-       if (version_avail == BT_PROPERTY_AVAILABILITY_AVAILABLE) {
-               printf("  %sVersion%s: %u.%u.%u",
-                       bt_common_color_bold(), bt_common_color_reset(),
-                       major, minor, patch);
-
-               if (extra) {
-                       printf("%s", extra);
-               }
-
-               printf("\n");
-       }
-
-       printf("  %sDescription%s: %s\n", bt_common_color_bold(),
-               bt_common_color_reset(),
-               plugin_description ? plugin_description : "(None)");
-       printf("  %sAuthor%s: %s\n", bt_common_color_bold(),
-               bt_common_color_reset(), author ? author : "(Unknown)");
-       printf("  %sLicense%s: %s\n", bt_common_color_bold(),
-               bt_common_color_reset(),
-               license ? license : "(Unknown)");
-}
-
-static
-int cmd_query(struct bt_config *cfg)
-{
-       int ret = 0;
-       const bt_component_class *comp_cls = NULL;
-       const bt_value *results = NULL;
-       const char *fail_reason = NULL;
-
-       comp_cls = find_component_class(
-               cfg->cmd_data.query.cfg_component->plugin_name->str,
-               cfg->cmd_data.query.cfg_component->comp_cls_name->str,
-               cfg->cmd_data.query.cfg_component->type);
-       if (!comp_cls) {
-               BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
-                       "comp-cls-name=\"%s\", comp-cls-type=%d",
-                       cfg->cmd_data.query.cfg_component->plugin_name->str,
-                       cfg->cmd_data.query.cfg_component->comp_cls_name->str,
-                       cfg->cmd_data.query.cfg_component->type);
-               fprintf(stderr, "%s%sCannot find component class %s",
-                       bt_common_color_bold(),
-                       bt_common_color_fg_red(),
-                       bt_common_color_reset());
-               print_plugin_comp_cls_opt(stderr,
-                       cfg->cmd_data.query.cfg_component->plugin_name->str,
-                       cfg->cmd_data.query.cfg_component->comp_cls_name->str,
-                       cfg->cmd_data.query.cfg_component->type);
-               fprintf(stderr, "\n");
-               ret = -1;
-               goto end;
-       }
-
-       ret = query(comp_cls, cfg->cmd_data.query.object->str,
-               cfg->cmd_data.query.cfg_component->params,
-               &results, &fail_reason);
-       if (ret) {
-               goto failed;
-       }
-
-       print_value(stdout, results, 0);
-       goto end;
-
-failed:
-       BT_LOGE("Failed to query component class: %s: plugin-name=\"%s\", "
-               "comp-cls-name=\"%s\", comp-cls-type=%d "
-               "object=\"%s\"", fail_reason,
-               cfg->cmd_data.query.cfg_component->plugin_name->str,
-               cfg->cmd_data.query.cfg_component->comp_cls_name->str,
-               cfg->cmd_data.query.cfg_component->type,
-               cfg->cmd_data.query.object->str);
-       fprintf(stderr, "%s%sFailed to query info to %s",
-               bt_common_color_bold(),
-               bt_common_color_fg_red(),
-               bt_common_color_reset());
-       print_plugin_comp_cls_opt(stderr,
-               cfg->cmd_data.query.cfg_component->plugin_name->str,
-               cfg->cmd_data.query.cfg_component->comp_cls_name->str,
-               cfg->cmd_data.query.cfg_component->type);
-       fprintf(stderr, "%s%s with object `%s`: %s%s\n",
-               bt_common_color_bold(),
-               bt_common_color_fg_red(),
-               cfg->cmd_data.query.object->str,
-               fail_reason,
-               bt_common_color_reset());
-       ret = -1;
-
-end:
-       bt_component_class_put_ref(comp_cls);
-       bt_value_put_ref(results);
-       return ret;
-}
-
-static
-void print_component_class_help(const char *plugin_name,
-               const bt_component_class *comp_cls)
-{
-       const char *comp_class_name =
-               bt_component_class_get_name(comp_cls);
-       const char *comp_class_description =
-               bt_component_class_get_description(comp_cls);
-       const char *comp_class_help =
-               bt_component_class_get_help(comp_cls);
-       bt_component_class_type type =
-               bt_component_class_get_type(comp_cls);
-
-       print_plugin_comp_cls_opt(stdout, plugin_name, comp_class_name, type);
-       printf("\n");
-       printf("  %sDescription%s: %s\n", bt_common_color_bold(),
-               bt_common_color_reset(),
-               comp_class_description ? comp_class_description : "(None)");
-
-       if (comp_class_help) {
-               printf("\n%s\n", comp_class_help);
-       }
-}
-
-static
-int cmd_help(struct bt_config *cfg)
-{
-       int ret = 0;
-       const bt_plugin *plugin = NULL;
-       const bt_component_class *needed_comp_cls = NULL;
-
-       plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
-       if (!plugin) {
-               BT_LOGE("Cannot find plugin: plugin-name=\"%s\"",
-                       cfg->cmd_data.help.cfg_component->plugin_name->str);
-               fprintf(stderr, "%s%sCannot find plugin %s%s%s\n",
-                       bt_common_color_bold(), bt_common_color_fg_red(),
-                       bt_common_color_fg_blue(),
-                       cfg->cmd_data.help.cfg_component->plugin_name->str,
-                       bt_common_color_reset());
-               ret = -1;
-               goto end;
-       }
-
-       print_plugin_info(plugin);
-       printf("  %sSource component classes%s: %d\n",
-                       bt_common_color_bold(),
-                       bt_common_color_reset(),
-                       (int) bt_plugin_get_source_component_class_count(plugin));
-       printf("  %sFilter component classes%s: %d\n",
-                       bt_common_color_bold(),
-                       bt_common_color_reset(),
-                       (int) bt_plugin_get_filter_component_class_count(plugin));
-       printf("  %sSink component classes%s: %d\n",
-                       bt_common_color_bold(),
-                       bt_common_color_reset(),
-                       (int) bt_plugin_get_sink_component_class_count(plugin));
-
-       if (strlen(cfg->cmd_data.help.cfg_component->comp_cls_name->str) == 0) {
-               /* Plugin help only */
-               goto end;
-       }
-
-       needed_comp_cls = find_component_class(
-               cfg->cmd_data.help.cfg_component->plugin_name->str,
-               cfg->cmd_data.help.cfg_component->comp_cls_name->str,
-               cfg->cmd_data.help.cfg_component->type);
-       if (!needed_comp_cls) {
-               BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
-                       "comp-cls-name=\"%s\", comp-cls-type=%d",
-                       cfg->cmd_data.help.cfg_component->plugin_name->str,
-                       cfg->cmd_data.help.cfg_component->comp_cls_name->str,
-                       cfg->cmd_data.help.cfg_component->type);
-               fprintf(stderr, "\n%s%sCannot find component class %s",
-                       bt_common_color_bold(),
-                       bt_common_color_fg_red(),
-                       bt_common_color_reset());
-               print_plugin_comp_cls_opt(stderr,
-                       cfg->cmd_data.help.cfg_component->plugin_name->str,
-                       cfg->cmd_data.help.cfg_component->comp_cls_name->str,
-                       cfg->cmd_data.help.cfg_component->type);
-               fprintf(stderr, "\n");
-               ret = -1;
-               goto end;
-       }
-
-       printf("\n");
-       print_component_class_help(
-               cfg->cmd_data.help.cfg_component->plugin_name->str,
-               needed_comp_cls);
-
-end:
-       bt_component_class_put_ref(needed_comp_cls);
-       bt_plugin_put_ref(plugin);
-       return ret;
-}
-
-typedef void *(* plugin_borrow_comp_cls_by_index_func_t)(const bt_plugin *,
-       uint64_t);
-typedef const bt_component_class *(* spec_comp_cls_borrow_comp_cls_func_t)(
-       void *);
-
-void cmd_list_plugins_print_component_classes(const bt_plugin *plugin,
-               const char *cc_type_name, uint64_t count,
-               plugin_borrow_comp_cls_by_index_func_t borrow_comp_cls_by_index_func,
-               spec_comp_cls_borrow_comp_cls_func_t spec_comp_cls_borrow_comp_cls_func)
-{
-       uint64_t i;
-
-       if (count == 0) {
-               printf("  %s%s component classes%s: (none)\n",
-                       bt_common_color_bold(),
-                       cc_type_name,
-                       bt_common_color_reset());
-               goto end;
-       } else {
-               printf("  %s%s component classes%s:\n",
-                       bt_common_color_bold(),
-                       cc_type_name,
-                       bt_common_color_reset());
-       }
-
-       for (i = 0; i < count; i++) {
-               const bt_component_class *comp_class =
-                       spec_comp_cls_borrow_comp_cls_func(
-                               borrow_comp_cls_by_index_func(plugin, i));
-               const char *comp_class_name =
-                       bt_component_class_get_name(comp_class);
-               const char *comp_class_description =
-                       bt_component_class_get_description(comp_class);
-               bt_component_class_type type =
-                       bt_component_class_get_type(comp_class);
-
-               printf("    ");
-               print_plugin_comp_cls_opt(stdout,
-                       bt_plugin_get_name(plugin), comp_class_name,
-                       type);
-
-               if (comp_class_description) {
-                       printf(": %s", comp_class_description);
-               }
-
-               printf("\n");
-       }
-
-end:
-       return;
-}
-
-static
-int cmd_list_plugins(struct bt_config *cfg)
-{
-       int ret = 0;
-       int plugins_count, component_classes_count = 0, i;
-
-       printf("From the following plugin paths:\n\n");
-       print_value(stdout, cfg->plugin_paths, 2);
-       printf("\n");
-       plugins_count = loaded_plugins->len;
-       if (plugins_count == 0) {
-               printf("No plugins found.\n");
-               goto end;
-       }
-
-       for (i = 0; i < plugins_count; i++) {
-               const bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
-
-               component_classes_count +=
-                       bt_plugin_get_source_component_class_count(plugin) +
-                       bt_plugin_get_filter_component_class_count(plugin) +
-                       bt_plugin_get_sink_component_class_count(plugin);
-       }
-
-       printf("Found %s%d%s component classes in %s%d%s plugins.\n",
-               bt_common_color_bold(),
-               component_classes_count,
-               bt_common_color_reset(),
-               bt_common_color_bold(),
-               plugins_count,
-               bt_common_color_reset());
-
-       for (i = 0; i < plugins_count; i++) {
-               const bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
-
-               printf("\n");
-               print_plugin_info(plugin);
-               cmd_list_plugins_print_component_classes(plugin, "Source",
-                       bt_plugin_get_source_component_class_count(plugin),
-                       (plugin_borrow_comp_cls_by_index_func_t)
-                               bt_plugin_borrow_source_component_class_by_index_const,
-                       (spec_comp_cls_borrow_comp_cls_func_t)
-                               bt_component_class_source_as_component_class);
-               cmd_list_plugins_print_component_classes(plugin, "Filter",
-                       bt_plugin_get_filter_component_class_count(plugin),
-                       (plugin_borrow_comp_cls_by_index_func_t)
-                               bt_plugin_borrow_filter_component_class_by_index_const,
-                       (spec_comp_cls_borrow_comp_cls_func_t)
-                               bt_component_class_filter_as_component_class);
-               cmd_list_plugins_print_component_classes(plugin, "Sink",
-                       bt_plugin_get_sink_component_class_count(plugin),
-                       (plugin_borrow_comp_cls_by_index_func_t)
-                               bt_plugin_borrow_sink_component_class_by_index_const,
-                       (spec_comp_cls_borrow_comp_cls_func_t)
-                               bt_component_class_sink_as_component_class);
-       }
-
-end:
-       return ret;
-}
-
-static
-int cmd_print_lttng_live_sessions(struct bt_config *cfg)
-{
-       int ret = 0;
-       const bt_component_class *comp_cls = NULL;
-       const bt_value *results = NULL;
-       bt_value *params = NULL;
-       const bt_value *map = NULL;
-       const bt_value *v = NULL;
-       static const char * const plugin_name = "ctf";
-       static const char * const comp_cls_name = "lttng-live";
-       static const bt_component_class_type comp_cls_type =
-               BT_COMPONENT_CLASS_TYPE_SOURCE;
-       int64_t array_size, i;
-       const char *fail_reason = NULL;
-       FILE *out_stream = stdout;
-
-       BT_ASSERT(cfg->cmd_data.print_lttng_live_sessions.url);
-       comp_cls = find_component_class(plugin_name, comp_cls_name,
-               comp_cls_type);
-       if (!comp_cls) {
-               BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
-                       "comp-cls-name=\"%s\", comp-cls-type=%d",
-                       plugin_name, comp_cls_name,
-                       BT_COMPONENT_CLASS_TYPE_SOURCE);
-               fprintf(stderr, "%s%sCannot find component class %s",
-                       bt_common_color_bold(),
-                       bt_common_color_fg_red(),
-                       bt_common_color_reset());
-               print_plugin_comp_cls_opt(stderr, plugin_name,
-                       comp_cls_name, comp_cls_type);
-               fprintf(stderr, "\n");
-               goto error;
-       }
-
-       params = bt_value_map_create();
-       if (!params) {
-               goto error;
-       }
-
-       ret = bt_value_map_insert_string_entry(params, "url",
-               cfg->cmd_data.print_lttng_live_sessions.url->str);
-       if (ret) {
-               goto error;
-       }
-
-       ret = query(comp_cls, "sessions", params,
-                   &results, &fail_reason);
-       if (ret) {
-               goto failed;
-       }
-
-       BT_ASSERT(results);
-
-       if (!bt_value_is_array(results)) {
-               BT_LOGE_STR("Expecting an array for sessions query.");
-               fprintf(stderr, "%s%sUnexpected type returned by session query%s\n",
-                       bt_common_color_bold(),
-                       bt_common_color_fg_red(),
-                       bt_common_color_reset());
-               goto error;
-       }
-
-       if (cfg->cmd_data.print_lttng_live_sessions.output_path->len > 0) {
-               out_stream =
-                       fopen(cfg->cmd_data.print_lttng_live_sessions.output_path->str,
-                               "w");
-               if (!out_stream) {
-                       ret = -1;
-                       BT_LOGE_ERRNO("Cannot open file for writing",
-                               ": path=\"%s\"",
-                               cfg->cmd_data.print_lttng_live_sessions.output_path->str);
-                       goto end;
-               }
-       }
-
-       array_size = bt_value_array_get_size(results);
-       for (i = 0; i < array_size; i++) {
-               const char *url_text;
-               int64_t timer_us, streams, clients;
-
-               map = bt_value_array_borrow_element_by_index_const(results, i);
-               if (!map) {
-                       BT_LOGE_STR("Unexpected empty array entry.");
-                       goto error;
-               }
-               if (!bt_value_is_map(map)) {
-                       BT_LOGE_STR("Unexpected entry type.");
-                       goto error;
-               }
-
-               v = bt_value_map_borrow_entry_value_const(map, "url");
-               if (!v) {
-                       BT_LOGE_STR("Unexpected empty array \"url\" entry.");
-                       goto error;
-               }
-               url_text = bt_value_string_get(v);
-               fprintf(out_stream, "%s", url_text);
-               v = bt_value_map_borrow_entry_value_const(map, "timer-us");
-               if (!v) {
-                       BT_LOGE_STR("Unexpected empty array \"timer-us\" entry.");
-                       goto error;
-               }
-               timer_us = bt_value_signed_integer_get(v);
-               fprintf(out_stream, " (timer = %" PRIu64 ", ", timer_us);
-               v = bt_value_map_borrow_entry_value_const(map, "stream-count");
-               if (!v) {
-                       BT_LOGE_STR("Unexpected empty array \"stream-count\" entry.");
-                       goto error;
-               }
-               streams = bt_value_signed_integer_get(v);
-               fprintf(out_stream, "%" PRIu64 " stream(s), ", streams);
-               v = bt_value_map_borrow_entry_value_const(map, "client-count");
-               if (!v) {
-                       BT_LOGE_STR("Unexpected empty array \"client-count\" entry.");
-                       goto error;
-               }
-               clients = bt_value_signed_integer_get(v);
-               fprintf(out_stream, "%" PRIu64 " client(s) connected)\n", clients);
-       }
-
-       goto end;
-
-failed:
-       BT_LOGE("Failed to query for sessions: %s", fail_reason);
-       fprintf(stderr, "%s%sFailed to request sessions: %s%s\n",
-               bt_common_color_bold(),
-               bt_common_color_fg_red(),
-               fail_reason,
-               bt_common_color_reset());
-
-error:
-       ret = -1;
-
-end:
-       bt_value_put_ref(results);
-       bt_value_put_ref(params);
-       bt_component_class_put_ref(comp_cls);
-
-       if (out_stream && out_stream != stdout) {
-               int fclose_ret = fclose(out_stream);
-
-               if (fclose_ret) {
-                       BT_LOGE_ERRNO("Cannot close file stream",
-                               ": path=\"%s\"",
-                               cfg->cmd_data.print_lttng_live_sessions.output_path->str);
-               }
-       }
-
-       return ret;
-}
-
-static
-int cmd_print_ctf_metadata(struct bt_config *cfg)
-{
-       int ret = 0;
-       const bt_component_class *comp_cls = NULL;
-       const bt_value *results = NULL;
-       bt_value *params = NULL;
-       const bt_value *metadata_text_value = NULL;
-       const char *metadata_text = NULL;
-       static const char * const plugin_name = "ctf";
-       static const char * const comp_cls_name = "fs";
-       static const bt_component_class_type comp_cls_type =
-               BT_COMPONENT_CLASS_TYPE_SOURCE;
-       const char *fail_reason = NULL;
-       FILE *out_stream = stdout;
-
-       BT_ASSERT(cfg->cmd_data.print_ctf_metadata.path);
-       comp_cls = find_component_class(plugin_name, comp_cls_name,
-               comp_cls_type);
-       if (!comp_cls) {
-               BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
-                       "comp-cls-name=\"%s\", comp-cls-type=%d",
-                       plugin_name, comp_cls_name,
-                       BT_COMPONENT_CLASS_TYPE_SOURCE);
-               fprintf(stderr, "%s%sCannot find component class %s",
-                       bt_common_color_bold(),
-                       bt_common_color_fg_red(),
-                       bt_common_color_reset());
-               print_plugin_comp_cls_opt(stderr, plugin_name,
-                       comp_cls_name, comp_cls_type);
-               fprintf(stderr, "\n");
-               ret = -1;
-               goto end;
-       }
-
-       params = bt_value_map_create();
-       if (!params) {
-               ret = -1;
-               goto end;
-       }
-
-       ret = bt_value_map_insert_string_entry(params, "path",
-               cfg->cmd_data.print_ctf_metadata.path->str);
-       if (ret) {
-               ret = -1;
-               goto end;
-       }
-
-       ret = query(comp_cls, "metadata-info",
-               params, &results, &fail_reason);
-       if (ret) {
-               goto failed;
-       }
-
-       metadata_text_value = bt_value_map_borrow_entry_value_const(results,
-                                                                   "text");
-       if (!metadata_text_value) {
-               BT_LOGE_STR("Cannot find `text` string value in the resulting metadata info object.");
-               ret = -1;
-               goto end;
-       }
-
-       metadata_text = bt_value_string_get(metadata_text_value);
-
-       if (cfg->cmd_data.print_ctf_metadata.output_path->len > 0) {
-               out_stream =
-                       fopen(cfg->cmd_data.print_ctf_metadata.output_path->str,
-                               "w");
-               if (!out_stream) {
-                       ret = -1;
-                       BT_LOGE_ERRNO("Cannot open file for writing",
-                               ": path=\"%s\"",
-                               cfg->cmd_data.print_ctf_metadata.output_path->str);
-                       goto end;
-               }
-       }
-
-       ret = fprintf(out_stream, "%s\n", metadata_text);
-       if (ret < 0) {
-               BT_LOGE("Cannot write whole metadata text to output stream: "
-                       "ret=%d", ret);
-               goto end;
-       }
-
-       ret = 0;
-
-       goto end;
-
-failed:
-       ret = -1;
-       BT_LOGE("Failed to query for metadata info: %s", fail_reason);
-       fprintf(stderr, "%s%sFailed to request metadata info: %s%s\n",
-               bt_common_color_bold(),
-               bt_common_color_fg_red(),
-               fail_reason,
-               bt_common_color_reset());
-
-end:
-       bt_value_put_ref(results);
-       bt_value_put_ref(params);
-       bt_component_class_put_ref(comp_cls);
-
-       if (out_stream && out_stream != stdout) {
-               int fclose_ret = fclose(out_stream);
-
-               if (fclose_ret) {
-                       BT_LOGE_ERRNO("Cannot close file stream",
-                               ": path=\"%s\"",
-                               cfg->cmd_data.print_ctf_metadata.output_path->str);
-               }
-       }
-
-       return ret;
-}
-
-struct port_id {
-       char *instance_name;
-       char *port_name;
-};
-
-struct trace_range {
-       uint64_t intersection_range_begin_ns;
-       uint64_t intersection_range_end_ns;
-};
-
-static
-guint port_id_hash(gconstpointer v)
-{
-       const struct port_id *id = v;
-
-       BT_ASSERT(id->instance_name);
-       BT_ASSERT(id->port_name);
-
-       return g_str_hash(id->instance_name) ^ g_str_hash(id->port_name);
-}
-
-static
-gboolean port_id_equal(gconstpointer v1, gconstpointer v2)
-{
-       const struct port_id *id1 = v1;
-       const struct port_id *id2 = v2;
-
-       return !strcmp(id1->instance_name, id2->instance_name) &&
-               !strcmp(id1->port_name, id2->port_name);
-}
-
-static
-void port_id_destroy(gpointer data)
-{
-       struct port_id *id = data;
-
-       free(id->instance_name);
-       free(id->port_name);
-       free(id);
-}
-
-static
-void trace_range_destroy(gpointer data)
-{
-       free(data);
-}
-
-struct cmd_run_ctx {
-       /* Owned by this */
-       GHashTable *src_components;
-
-       /* Owned by this */
-       GHashTable *flt_components;
-
-       /* Owned by this */
-       GHashTable *sink_components;
-
-       /* Owned by this */
-       bt_graph *graph;
-
-       /* Weak */
-       struct bt_config *cfg;
-
-       bool connect_ports;
-
-       bool stream_intersection_mode;
-
-       /*
-        * Association of struct port_id -> struct trace_range.
-        */
-       GHashTable *intersections;
-};
-
-/* Returns a timestamp of the form "(-)s.ns" */
-static
-char *s_from_ns(int64_t ns)
-{
-       int ret;
-       char *s_ret = NULL;
-       bool is_negative;
-       int64_t ts_sec_abs, ts_nsec_abs;
-       int64_t ts_sec = ns / NSEC_PER_SEC;
-       int64_t ts_nsec = ns % NSEC_PER_SEC;
-
-       if (ts_sec >= 0 && ts_nsec >= 0) {
-               is_negative = false;
-               ts_sec_abs = ts_sec;
-               ts_nsec_abs = ts_nsec;
-       } else if (ts_sec > 0 && ts_nsec < 0) {
-               is_negative = false;
-               ts_sec_abs = ts_sec - 1;
-               ts_nsec_abs = NSEC_PER_SEC + ts_nsec;
-       } else if (ts_sec == 0 && ts_nsec < 0) {
-               is_negative = true;
-               ts_sec_abs = ts_sec;
-               ts_nsec_abs = -ts_nsec;
-       } else if (ts_sec < 0 && ts_nsec > 0) {
-               is_negative = true;
-               ts_sec_abs = -(ts_sec + 1);
-               ts_nsec_abs = NSEC_PER_SEC - ts_nsec;
-       } else if (ts_sec < 0 && ts_nsec == 0) {
-               is_negative = true;
-               ts_sec_abs = -ts_sec;
-               ts_nsec_abs = ts_nsec;
-       } else {        /* (ts_sec < 0 && ts_nsec < 0) */
-               is_negative = true;
-               ts_sec_abs = -ts_sec;
-               ts_nsec_abs = -ts_nsec;
-       }
-
-       ret = asprintf(&s_ret, "%s%" PRId64 ".%09" PRId64,
-               is_negative ? "-" : "", ts_sec_abs, ts_nsec_abs);
-       if (ret < 0) {
-               s_ret = NULL;
-       }
-       return s_ret;
-}
-
-static
-int cmd_run_ctx_connect_upstream_port_to_downstream_component(
-               struct cmd_run_ctx *ctx,
-               const bt_component *upstream_comp,
-               const bt_port_output *out_upstream_port,
-               struct bt_config_connection *cfg_conn)
-{
-       typedef uint64_t (*input_port_count_func_t)(void *);
-       typedef const bt_port_input *(*borrow_input_port_by_index_func_t)(
-               const void *, uint64_t);
-       const bt_port *upstream_port =
-               bt_port_output_as_port_const(out_upstream_port);
-
-       int ret = 0;
-       GQuark downstreamp_comp_name_quark;
-       void *downstream_comp;
-       uint64_t downstream_port_count;
-       uint64_t i;
-       input_port_count_func_t port_count_fn;
-       borrow_input_port_by_index_func_t port_by_index_fn;
-       bt_graph_status status = BT_GRAPH_STATUS_ERROR;
-       bool insert_trimmer = false;
-       bt_value *trimmer_params = NULL;
-       char *intersection_begin = NULL;
-       char *intersection_end = NULL;
-       const bt_component_filter *trimmer = NULL;
-       const bt_component_class_filter *trimmer_class = NULL;
-       const bt_port_input *trimmer_input = NULL;
-       const bt_port_output *trimmer_output = NULL;
-
-       if (ctx->intersections &&
-               bt_component_get_class_type(upstream_comp) ==
-                       BT_COMPONENT_CLASS_TYPE_SOURCE) {
-               struct trace_range *range;
-               struct port_id port_id = {
-                       .instance_name = (char *) bt_component_get_name(upstream_comp),
-                       .port_name = (char *) bt_port_get_name(upstream_port)
-               };
-
-               if (!port_id.instance_name || !port_id.port_name) {
-                       goto error;
-               }
-
-               range = (struct trace_range *) g_hash_table_lookup(
-                       ctx->intersections, &port_id);
-               if (range) {
-                       bt_value_status status;
-
-                       intersection_begin = s_from_ns(
-                               range->intersection_range_begin_ns);
-                       intersection_end = s_from_ns(
-                               range->intersection_range_end_ns);
-                       if (!intersection_begin || !intersection_end) {
-                               BT_LOGE_STR("Cannot create trimmer argument timestamp string.");
-                               goto error;
-                       }
-
-                       insert_trimmer = true;
-                       trimmer_params = bt_value_map_create();
-                       if (!trimmer_params) {
-                               goto error;
-                       }
-
-                       status = bt_value_map_insert_string_entry(
-                               trimmer_params, "begin", intersection_begin);
-                       if (status != BT_VALUE_STATUS_OK) {
-                               goto error;
-                       }
-                       status = bt_value_map_insert_string_entry(
-                               trimmer_params,
-                               "end", intersection_end);
-                       if (status != BT_VALUE_STATUS_OK) {
-                               goto error;
-                       }
-               }
-
-               trimmer_class = find_filter_component_class("utils", "trimmer");
-               if (!trimmer_class) {
-                       goto error;
-               }
-       }
-
-       BT_LOGI("Connecting upstream port to the next available downstream port: "
-               "upstream-port-addr=%p, upstream-port-name=\"%s\", "
-               "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
-               upstream_port, bt_port_get_name(upstream_port),
-               cfg_conn->downstream_comp_name->str,
-               cfg_conn->arg->str);
-       downstreamp_comp_name_quark = g_quark_from_string(
-               cfg_conn->downstream_comp_name->str);
-       BT_ASSERT(downstreamp_comp_name_quark > 0);
-       downstream_comp = g_hash_table_lookup(ctx->flt_components,
-               GUINT_TO_POINTER(downstreamp_comp_name_quark));
-       port_count_fn = (input_port_count_func_t)
-               bt_component_filter_get_input_port_count;
-       port_by_index_fn = (borrow_input_port_by_index_func_t)
-               bt_component_filter_borrow_input_port_by_index_const;
-
-       if (!downstream_comp) {
-               downstream_comp = g_hash_table_lookup(ctx->sink_components,
-                       GUINT_TO_POINTER(downstreamp_comp_name_quark));
-               port_count_fn = (input_port_count_func_t)
-                       bt_component_sink_get_input_port_count;
-               port_by_index_fn = (borrow_input_port_by_index_func_t)
-                       bt_component_sink_borrow_input_port_by_index_const;
-       }
-
-       if (!downstream_comp) {
-               BT_LOGE("Cannot find downstream component:  comp-name=\"%s\", "
-                       "conn-arg=\"%s\"", cfg_conn->downstream_comp_name->str,
-                       cfg_conn->arg->str);
-               fprintf(stderr, "Cannot create connection: cannot find downstream component: %s\n",
-                       cfg_conn->arg->str);
-               goto error;
-       }
-
-       downstream_port_count = port_count_fn(downstream_comp);
-
-       for (i = 0; i < downstream_port_count; i++) {
-               const bt_port_input *in_downstream_port =
-                       port_by_index_fn(downstream_comp, i);
-               const bt_port *downstream_port =
-                       bt_port_input_as_port_const(in_downstream_port);
-               const char *upstream_port_name;
-               const char *downstream_port_name;
-
-               BT_ASSERT(downstream_port);
-
-               /* Skip port if it's already connected. */
-               if (bt_port_is_connected(downstream_port)) {
-                       BT_LOGD("Skipping downstream port: already connected: "
-                               "port-addr=%p, port-name=\"%s\"",
-                               downstream_port,
-                               bt_port_get_name(downstream_port));
-                       continue;
-               }
-
-               downstream_port_name = bt_port_get_name(downstream_port);
-               BT_ASSERT(downstream_port_name);
-               upstream_port_name = bt_port_get_name(upstream_port);
-               BT_ASSERT(upstream_port_name);
-
-               if (!bt_common_star_glob_match(
-                               cfg_conn->downstream_port_glob->str, SIZE_MAX,
-                               downstream_port_name, SIZE_MAX)) {
-                       continue;
-               }
-
-               if (insert_trimmer) {
-                       /*
-                        * In order to insert the trimmer between the
-                        * two components that were being connected, we
-                        * create a connection configuration entry which
-                        * describes a connection from the trimmer's
-                        * output to the original input that was being
-                        * connected.
-                        *
-                        * Hence, the creation of the trimmer will cause
-                        * the graph "new port" listener to establish
-                        * all downstream connections as its output port
-                        * is connected. We will then establish the
-                        * connection between the original upstream
-                        * source and the trimmer.
-                        */
-                       char *trimmer_name = NULL;
-                       bt_graph_status graph_status;
-
-                       ret = asprintf(&trimmer_name,
-                               "stream-intersection-trimmer-%s",
-                               upstream_port_name);
-                       if (ret < 0) {
-                               goto error;
-                       }
-                       ret = 0;
-
-                       ctx->connect_ports = false;
-                       graph_status = bt_graph_add_filter_component(
-                               ctx->graph, trimmer_class, trimmer_name,
-                               trimmer_params, &trimmer);
-                       free(trimmer_name);
-                       if (graph_status != BT_GRAPH_STATUS_OK) {
-                               goto error;
-                       }
-                       BT_ASSERT(trimmer);
-
-                       trimmer_input =
-                               bt_component_filter_borrow_input_port_by_index_const(
-                                       trimmer, 0);
-                       if (!trimmer_input) {
-                               goto error;
-                       }
-                       trimmer_output =
-                               bt_component_filter_borrow_output_port_by_index_const(
-                                       trimmer, 0);
-                       if (!trimmer_output) {
-                               goto error;
-                       }
-
-                       /*
-                        * Replace the current downstream port by the trimmer's
-                        * upstream port.
-                        */
-                       in_downstream_port = trimmer_input;
-                       downstream_port =
-                               bt_port_input_as_port_const(in_downstream_port);
-                       downstream_port_name = bt_port_get_name(
-                               downstream_port);
-                       BT_ASSERT(downstream_port_name);
-               }
-
-               /* We have a winner! */
-               status = bt_graph_connect_ports(ctx->graph,
-                       out_upstream_port, in_downstream_port, NULL);
-               downstream_port = NULL;
-               switch (status) {
-               case BT_GRAPH_STATUS_OK:
-                       break;
-               case BT_GRAPH_STATUS_CANCELED:
-                       BT_LOGI_STR("Graph was canceled by user.");
-                       status = BT_GRAPH_STATUS_OK;
-                       break;
-               case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
-                       BT_LOGE("A component refused a connection to one of its ports: "
-                               "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
-                               "upstream-port-addr=%p, upstream-port-name=\"%s\", "
-                               "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
-                               "downstream-port-addr=%p, downstream-port-name=\"%s\", "
-                               "conn-arg=\"%s\"",
-                               upstream_comp, bt_component_get_name(upstream_comp),
-                               upstream_port, bt_port_get_name(upstream_port),
-                               downstream_comp, cfg_conn->downstream_comp_name->str,
-                               downstream_port, downstream_port_name,
-                               cfg_conn->arg->str);
-                       fprintf(stderr,
-                               "A component refused a connection to one of its ports (`%s` to `%s`): %s\n",
-                               bt_port_get_name(upstream_port),
-                               downstream_port_name,
-                               cfg_conn->arg->str);
-                       break;
-               default:
-                       BT_LOGE("Cannot create connection: graph refuses to connect ports: "
-                               "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
-                               "upstream-port-addr=%p, upstream-port-name=\"%s\", "
-                               "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
-                               "downstream-port-addr=%p, downstream-port-name=\"%s\", "
-                               "conn-arg=\"%s\"",
-                               upstream_comp, bt_component_get_name(upstream_comp),
-                               upstream_port, bt_port_get_name(upstream_port),
-                               downstream_comp, cfg_conn->downstream_comp_name->str,
-                               downstream_port, downstream_port_name,
-                               cfg_conn->arg->str);
-                       fprintf(stderr,
-                               "Cannot create connection: graph refuses to connect ports (`%s` to `%s`): %s\n",
-                               bt_port_get_name(upstream_port),
-                               downstream_port_name,
-                               cfg_conn->arg->str);
-                       goto error;
-               }
-
-               BT_LOGI("Connected component ports: "
-                       "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
-                       "upstream-port-addr=%p, upstream-port-name=\"%s\", "
-                       "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
-                       "downstream-port-addr=%p, downstream-port-name=\"%s\", "
-                       "conn-arg=\"%s\"",
-                       upstream_comp, bt_component_get_name(upstream_comp),
-                       upstream_port, bt_port_get_name(upstream_port),
-                       downstream_comp, cfg_conn->downstream_comp_name->str,
-                       downstream_port, downstream_port_name,
-                       cfg_conn->arg->str);
-
-               if (insert_trimmer) {
-                       /*
-                        * The first connection, from the source to the trimmer,
-                        * has been done. We now connect the trimmer to the
-                        * original downstream port.
-                        */
-                       ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
-                               ctx,
-                               bt_component_filter_as_component_const(trimmer),
-                               trimmer_output, cfg_conn);
-                       if (ret) {
-                               goto error;
-                       }
-                       ctx->connect_ports = true;
-               }
-
-               /*
-                * We found a matching downstream port: the search is
-                * over.
-                */
-               goto end;
-       }
-
-       /* No downstream port found */
-       BT_LOGE("Cannot create connection: cannot find a matching downstream port for upstream port: "
-               "upstream-port-addr=%p, upstream-port-name=\"%s\", "
-               "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
-               upstream_port, bt_port_get_name(upstream_port),
-               cfg_conn->downstream_comp_name->str,
-               cfg_conn->arg->str);
-       fprintf(stderr,
-               "Cannot create connection: cannot find a matching downstream port for upstream port `%s`: %s\n",
-               bt_port_get_name(upstream_port), cfg_conn->arg->str);
-
-error:
-       ret = -1;
-
-end:
-       free(intersection_begin);
-       free(intersection_end);
-       BT_VALUE_PUT_REF_AND_RESET(trimmer_params);
-       BT_COMPONENT_CLASS_FILTER_PUT_REF_AND_RESET(trimmer_class);
-       BT_COMPONENT_FILTER_PUT_REF_AND_RESET(trimmer);
-       return ret;
-}
-
-static
-int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx,
-               const bt_port_output *upstream_port)
-{
-       int ret = 0;
-       const char *upstream_port_name;
-       const char *upstream_comp_name;
-       const bt_component *upstream_comp = NULL;
-       size_t i;
-
-       BT_ASSERT(ctx);
-       BT_ASSERT(upstream_port);
-       upstream_port_name = bt_port_get_name(
-               bt_port_output_as_port_const(upstream_port));
-       BT_ASSERT(upstream_port_name);
-       upstream_comp = bt_port_borrow_component_const(
-               bt_port_output_as_port_const(upstream_port));
-       if (!upstream_comp) {
-               BT_LOGW("Upstream port to connect is not part of a component: "
-                       "port-addr=%p, port-name=\"%s\"",
-                       upstream_port, upstream_port_name);
-               ret = -1;
-               goto end;
-       }
-
-       upstream_comp_name = bt_component_get_name(upstream_comp);
-       BT_ASSERT(upstream_comp_name);
-       BT_LOGI("Connecting upstream port: comp-addr=%p, comp-name=\"%s\", "
-               "port-addr=%p, port-name=\"%s\"",
-               upstream_comp, upstream_comp_name,
-               upstream_port, upstream_port_name);
-
-       for (i = 0; i < ctx->cfg->cmd_data.run.connections->len; i++) {
-               struct bt_config_connection *cfg_conn =
-                       g_ptr_array_index(
-                               ctx->cfg->cmd_data.run.connections, i);
-
-               if (strcmp(cfg_conn->upstream_comp_name->str,
-                               upstream_comp_name)) {
-                       continue;
-               }
-
-               if (!bt_common_star_glob_match(
-                           cfg_conn->upstream_port_glob->str,
-                           SIZE_MAX, upstream_port_name, SIZE_MAX)) {
-                       continue;
-               }
-
-               ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
-                       ctx, upstream_comp, upstream_port, cfg_conn);
-               if (ret) {
-                       BT_LOGE("Cannot connect upstream port: "
-                               "port-addr=%p, port-name=\"%s\"",
-                               upstream_port,
-                               upstream_port_name);
-                       fprintf(stderr,
-                               "Cannot connect port `%s` of component `%s` to a downstream port: %s\n",
-                               upstream_port_name,
-                               upstream_comp_name,
-                               cfg_conn->arg->str);
-                       goto error;
-               }
-               goto end;
-       }
-
-       BT_LOGE("Cannot connect upstream port: port does not match any connection argument: "
-               "port-addr=%p, port-name=\"%s\"", upstream_port,
-               upstream_port_name);
-       fprintf(stderr,
-               "Cannot create connection: upstream port `%s` does not match any connection\n",
-               upstream_port_name);
-
-error:
-       ret = -1;
-
-end:
-       return ret;
-}
-
-static
-bt_graph_listener_status
-graph_output_port_added_listener(struct cmd_run_ctx *ctx,
-               const bt_port_output *out_port)
-{
-       const bt_component *comp;
-       const bt_port *port = bt_port_output_as_port_const(out_port);
-       bt_graph_listener_status ret = BT_GRAPH_LISTENER_STATUS_OK;
-
-       comp = bt_port_borrow_component_const(port);
-       BT_LOGI("Port added to a graph's component: comp-addr=%p, "
-               "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
-               comp, comp ? bt_component_get_name(comp) : "",
-               port, bt_port_get_name(port));
-
-       if (!ctx->connect_ports) {
-               goto end;
-       }
-
-       if (!comp) {
-               BT_LOGW_STR("Port has no component.");
-               goto end;
-       }
-
-       if (bt_port_is_connected(port)) {
-               BT_LOGW_STR("Port is already connected.");
-               goto end;
-       }
-
-       if (cmd_run_ctx_connect_upstream_port(ctx, out_port)) {
-               BT_LOGF_STR("Cannot connect upstream port.");
-               fprintf(stderr, "Added port could not be connected: aborting\n");
-               ret = BT_GRAPH_LISTENER_STATUS_ERROR;
-               goto end;
-       }
-
-end:
-       return ret;
-}
-
-static
-bt_graph_listener_status graph_source_output_port_added_listener(
-               const bt_component_source *component,
-               const bt_port_output *port, void *data)
-{
-       return graph_output_port_added_listener(data, port);
-}
-
-static
-bt_graph_listener_status graph_filter_output_port_added_listener(
-               const bt_component_filter *component,
-               const bt_port_output *port, void *data)
-{
-       return graph_output_port_added_listener(data, port);
-}
-
-static
-void cmd_run_ctx_destroy(struct cmd_run_ctx *ctx)
-{
-       if (!ctx) {
-               return;
-       }
-
-       if (ctx->src_components) {
-               g_hash_table_destroy(ctx->src_components);
-               ctx->src_components = NULL;
-       }
-
-       if (ctx->flt_components) {
-               g_hash_table_destroy(ctx->flt_components);
-               ctx->flt_components = NULL;
-       }
-
-       if (ctx->sink_components) {
-               g_hash_table_destroy(ctx->sink_components);
-               ctx->sink_components = NULL;
-       }
-
-       if (ctx->intersections) {
-               g_hash_table_destroy(ctx->intersections);
-               ctx->intersections = NULL;
-       }
-
-       BT_GRAPH_PUT_REF_AND_RESET(ctx->graph);
-       the_graph = NULL;
-       ctx->cfg = NULL;
-}
-
-static
-int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
-{
-       int ret = 0;
-       bt_graph_status status;
-
-       ctx->cfg = cfg;
-       ctx->connect_ports = false;
-       ctx->src_components = g_hash_table_new_full(g_direct_hash,
-               g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
-       if (!ctx->src_components) {
-               goto error;
-       }
-
-       ctx->flt_components = g_hash_table_new_full(g_direct_hash,
-               g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
-       if (!ctx->flt_components) {
-               goto error;
-       }
-
-       ctx->sink_components = g_hash_table_new_full(g_direct_hash,
-               g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
-       if (!ctx->sink_components) {
-               goto error;
-       }
-
-       if (cfg->cmd_data.run.stream_intersection_mode) {
-               ctx->stream_intersection_mode = true;
-               ctx->intersections = g_hash_table_new_full(port_id_hash,
-                       port_id_equal, port_id_destroy, trace_range_destroy);
-               if (!ctx->intersections) {
-                       goto error;
-               }
-       }
-
-       ctx->graph = bt_graph_create();
-       if (!ctx->graph) {
-               goto error;
-       }
-
-       the_graph = ctx->graph;
-       status = bt_graph_add_source_component_output_port_added_listener(
-               ctx->graph, graph_source_output_port_added_listener, NULL, ctx,
-               NULL);
-       if (status != BT_GRAPH_STATUS_OK) {
-               BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
-               goto error;
-       }
-
-       status = bt_graph_add_filter_component_output_port_added_listener(
-               ctx->graph, graph_filter_output_port_added_listener, NULL, ctx,
-               NULL);
-       if (status != BT_GRAPH_STATUS_OK) {
-               BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
-               goto error;
-       }
-
-       goto end;
-
-error:
-       cmd_run_ctx_destroy(ctx);
-       ret = -1;
-
-end:
-       return ret;
-}
-
-static
-int set_stream_intersections(struct cmd_run_ctx *ctx,
-               struct bt_config_component *cfg_comp,
-               const bt_component_class_source *src_comp_cls)
-{
-       int ret = 0;
-       uint64_t trace_idx;
-       int64_t trace_count;
-       const char *path = NULL;
-       const bt_value *query_result = NULL;
-       const bt_value *trace_info = NULL;
-       const bt_value *intersection_range = NULL;
-       const bt_value *intersection_begin = NULL;
-       const bt_value *intersection_end = NULL;
-       const bt_value *stream_infos = NULL;
-       const bt_value *stream_info = NULL;
-       struct port_id *port_id = NULL;
-       struct trace_range *trace_range = NULL;
-       const char *fail_reason = NULL;
-       const bt_component_class *comp_cls =
-               bt_component_class_source_as_component_class_const(src_comp_cls);
-
-       ret = query(comp_cls, "trace-info",
-               cfg_comp->params, &query_result,
-               &fail_reason);
-       if (ret) {
-               BT_LOGD("Component class does not support the `trace-info` query: %s: "
-                       "comp-class-name=\"%s\"", fail_reason,
-                       bt_component_class_get_name(comp_cls));
-               ret = -1;
-               goto error;
-       }
-
-       BT_ASSERT(query_result);
-
-       if (!bt_value_is_array(query_result)) {
-               BT_LOGD("Unexpected format of \'trace-info\' query result: "
-                       "component-class-name=%s",
-                       bt_component_class_get_name(comp_cls));
-               ret = -1;
-               goto error;
-       }
-
-       trace_count = bt_value_array_get_size(query_result);
-       if (trace_count < 0) {
-               ret = -1;
-               goto error;
-       }
-
-       for (trace_idx = 0; trace_idx < trace_count; trace_idx++) {
-               int64_t begin, end;
-               uint64_t stream_idx;
-               int64_t stream_count;
-
-               trace_info = bt_value_array_borrow_element_by_index_const(
-                       query_result, trace_idx);
-               if (!trace_info || !bt_value_is_map(trace_info)) {
-                       ret = -1;
-                       BT_LOGD_STR("Cannot retrieve trace from query result.");
-                       goto error;
-               }
-
-               intersection_range = bt_value_map_borrow_entry_value_const(
-                       trace_info, "intersection-range-ns");
-               if (!intersection_range) {
-                       ret = -1;
-                       BT_LOGD_STR("Cannot retrieve \'intersetion-range-ns\' field from query result.");
-                       goto error;
-               }
-
-               intersection_begin = bt_value_map_borrow_entry_value_const(intersection_range,
-                                                                          "begin");
-               if (!intersection_begin) {
-                       ret = -1;
-                       BT_LOGD_STR("Cannot retrieve intersection-range-ns \'begin\' field from query result.");
-                       goto error;
-               }
-
-               intersection_end = bt_value_map_borrow_entry_value_const(intersection_range,
-                                                                        "end");
-               if (!intersection_end) {
-                       ret = -1;
-                       BT_LOGD_STR("Cannot retrieve intersection-range-ns \'end\' field from query result.");
-                       goto error;
-               }
-
-               begin = bt_value_signed_integer_get(intersection_begin);
-               end = bt_value_signed_integer_get(intersection_end);
-
-               if (begin < 0 || end < 0 || end < begin) {
-                       BT_LOGW("Invalid trace stream intersection values: "
-                               "intersection-range-ns:begin=%" PRId64
-                               ", intersection-range-ns:end=%" PRId64,
-                               begin, end);
-                       ret = -1;
-                       goto error;
-               }
-
-               stream_infos = bt_value_map_borrow_entry_value_const(trace_info,
-                                                                    "streams");
-               if (!stream_infos || !bt_value_is_array(stream_infos)) {
-                       ret = -1;
-                       BT_LOGD_STR("Cannot retrieve stream information from trace in query result.");
-                       goto error;
-               }
-
-               stream_count = bt_value_array_get_size(stream_infos);
-               if (stream_count < 0) {
-                       ret = -1;
-                       goto error;
-               }
-
-               for (stream_idx = 0; stream_idx < stream_count; stream_idx++) {
-                       const bt_value *port_name;
-
-                       port_id = g_new0(struct port_id, 1);
-                       if (!port_id) {
-                               ret = -1;
-                               BT_LOGE_STR("Cannot allocate memory for port_id structure.");
-                               goto error;
-                       }
-                       port_id->instance_name = strdup(cfg_comp->instance_name->str);
-                       if (!port_id->instance_name) {
-                               ret = -1;
-                               BT_LOGE_STR("Cannot allocate memory for port_id component instance name.");
-                               goto error;
-                       }
-
-                       trace_range = g_new0(struct trace_range, 1);
-                       if (!trace_range) {
-                               ret = -1;
-                               BT_LOGE_STR("Cannot allocate memory for trace_range structure.");
-                               goto error;
-                       }
-                       trace_range->intersection_range_begin_ns = begin;
-                       trace_range->intersection_range_end_ns = end;
-
-                       stream_info = bt_value_array_borrow_element_by_index_const(
-                               stream_infos, stream_idx);
-                       if (!stream_info || !bt_value_is_map(stream_info)) {
-                               ret = -1;
-                               BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
-                               goto error;
-                       }
-
-                       port_name = bt_value_map_borrow_entry_value_const(stream_info, "port-name");
-                       if (!port_name || !bt_value_is_string(port_name)) {
-                               ret = -1;
-                               BT_LOGD_STR("Cannot retrieve port name in query result.");
-                               goto error;
-                       }
-
-                       port_id->port_name = g_strdup(bt_value_string_get(port_name));
-                       if (!port_id->port_name) {
-                               ret = -1;
-                               BT_LOGE_STR("Cannot allocate memory for port_id port_name.");
-                               goto error;
-                       }
-
-                       BT_LOGD("Inserting stream intersection ");
-
-                       g_hash_table_insert(ctx->intersections, port_id, trace_range);
-
-                       port_id = NULL;
-                       trace_range = NULL;
-               }
-       }
-
-       goto end;
-
-error:
-       fprintf(stderr, "%s%sCannot determine stream intersection of trace at path \'%s\'.%s\n",
-               bt_common_color_bold(),
-               bt_common_color_fg_yellow(),
-               path ? path : "(unknown)",
-               bt_common_color_reset());
-end:
-       bt_value_put_ref(query_result);
-       g_free(port_id);
-       g_free(trace_range);
-       return ret;
-}
-
-static
-int cmd_run_ctx_create_components_from_config_components(
-               struct cmd_run_ctx *ctx, GPtrArray *cfg_components)
-{
-       size_t i;
-       const void *comp_cls = NULL;
-       const void *comp = NULL;
-       int ret = 0;
-
-       for (i = 0; i < cfg_components->len; i++) {
-               struct bt_config_component *cfg_comp =
-                       g_ptr_array_index(cfg_components, i);
-               GQuark quark;
-
-               switch (cfg_comp->type) {
-               case BT_COMPONENT_CLASS_TYPE_SOURCE:
-                       comp_cls = find_source_component_class(
-                               cfg_comp->plugin_name->str,
-                               cfg_comp->comp_cls_name->str);
-                       break;
-               case BT_COMPONENT_CLASS_TYPE_FILTER:
-                       comp_cls = find_filter_component_class(
-                               cfg_comp->plugin_name->str,
-                               cfg_comp->comp_cls_name->str);
-                       break;
-               case BT_COMPONENT_CLASS_TYPE_SINK:
-                       comp_cls = find_sink_component_class(
-                               cfg_comp->plugin_name->str,
-                               cfg_comp->comp_cls_name->str);
-                       break;
-               default:
-                       abort();
-               }
-
-               if (!comp_cls) {
-                       BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
-                               "comp-cls-name=\"%s\", comp-cls-type=%d",
-                               cfg_comp->plugin_name->str,
-                               cfg_comp->comp_cls_name->str,
-                               cfg_comp->type);
-                       fprintf(stderr, "%s%sCannot find component class %s",
-                               bt_common_color_bold(),
-                               bt_common_color_fg_red(),
-                               bt_common_color_reset());
-                       print_plugin_comp_cls_opt(stderr,
-                               cfg_comp->plugin_name->str,
-                               cfg_comp->comp_cls_name->str,
-                               cfg_comp->type);
-                       fprintf(stderr, "\n");
-                       goto error;
-               }
-
-               switch (cfg_comp->type) {
-               case BT_COMPONENT_CLASS_TYPE_SOURCE:
-                       ret = bt_graph_add_source_component(ctx->graph,
-                               comp_cls, cfg_comp->instance_name->str,
-                               cfg_comp->params,
-                               (void *) &comp);
-                       break;
-               case BT_COMPONENT_CLASS_TYPE_FILTER:
-                       ret = bt_graph_add_filter_component(ctx->graph,
-                               comp_cls, cfg_comp->instance_name->str,
-                               cfg_comp->params,
-                               (void *) &comp);
-                       break;
-               case BT_COMPONENT_CLASS_TYPE_SINK:
-                       ret = bt_graph_add_sink_component(ctx->graph,
-                               comp_cls, cfg_comp->instance_name->str,
-                               cfg_comp->params,
-                               (void *) &comp);
-                       break;
-               default:
-                       abort();
-               }
-
-               if (ret) {
-                       BT_LOGE("Cannot create component: plugin-name=\"%s\", "
-                               "comp-cls-name=\"%s\", comp-cls-type=%d, "
-                               "comp-name=\"%s\"",
-                               cfg_comp->plugin_name->str,
-                               cfg_comp->comp_cls_name->str,
-                               cfg_comp->type, cfg_comp->instance_name->str);
-                       fprintf(stderr, "%s%sCannot create component `%s`%s\n",
-                               bt_common_color_bold(),
-                               bt_common_color_fg_red(),
-                               cfg_comp->instance_name->str,
-                               bt_common_color_reset());
-                       goto error;
-               }
-
-               if (ctx->stream_intersection_mode &&
-                               cfg_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) {
-                       ret = set_stream_intersections(ctx, cfg_comp, comp_cls);
-                       if (ret) {
-                               goto error;
-                       }
-               }
-
-               BT_LOGI("Created and inserted component: comp-addr=%p, comp-name=\"%s\"",
-                       comp, cfg_comp->instance_name->str);
-               quark = g_quark_from_string(cfg_comp->instance_name->str);
-               BT_ASSERT(quark > 0);
-
-               switch (cfg_comp->type) {
-               case BT_COMPONENT_CLASS_TYPE_SOURCE:
-                       g_hash_table_insert(ctx->src_components,
-                               GUINT_TO_POINTER(quark), (void *) comp);
-                       break;
-               case BT_COMPONENT_CLASS_TYPE_FILTER:
-                       g_hash_table_insert(ctx->flt_components,
-                               GUINT_TO_POINTER(quark), (void *) comp);
-                       break;
-               case BT_COMPONENT_CLASS_TYPE_SINK:
-                       g_hash_table_insert(ctx->sink_components,
-                               GUINT_TO_POINTER(quark), (void *) comp);
-                       break;
-               default:
-                       abort();
-               }
-
-               comp = NULL;
-               BT_OBJECT_PUT_REF_AND_RESET(comp_cls);
-       }
-
-       goto end;
-
-error:
-       ret = -1;
-
-end:
-       bt_object_put_ref(comp);
-       bt_object_put_ref(comp_cls);
-       return ret;
-}
-
-static
-int cmd_run_ctx_create_components(struct cmd_run_ctx *ctx)
-{
-       int ret = 0;
-
-       /*
-        * Make sure that, during this phase, our graph's "port added"
-        * listener does not connect ports while we are creating the
-        * components because we have a special, initial phase for
-        * this.
-        */
-       ctx->connect_ports = false;
-
-       ret = cmd_run_ctx_create_components_from_config_components(
-               ctx, ctx->cfg->cmd_data.run.sources);
-       if (ret) {
-               ret = -1;
-               goto end;
-       }
-
-       ret = cmd_run_ctx_create_components_from_config_components(
-               ctx, ctx->cfg->cmd_data.run.filters);
-       if (ret) {
-               ret = -1;
-               goto end;
-       }
-
-       ret = cmd_run_ctx_create_components_from_config_components(
-               ctx, ctx->cfg->cmd_data.run.sinks);
-       if (ret) {
-               ret = -1;
-               goto end;
-       }
-
-end:
-       return ret;
-}
-
-typedef uint64_t (*output_port_count_func_t)(const void *);
-typedef const bt_port_output *(*borrow_output_port_by_index_func_t)(
-       const void *, uint64_t);
-
-static
-int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx *ctx,
-               void *comp, output_port_count_func_t port_count_fn,
-               borrow_output_port_by_index_func_t port_by_index_fn)
-{
-       int ret = 0;
-       uint64_t count;
-       uint64_t i;
-
-       count = port_count_fn(comp);
-
-       for (i = 0; i < count; i++) {
-               const bt_port_output *upstream_port = port_by_index_fn(comp, i);
-
-               BT_ASSERT(upstream_port);
-               ret = cmd_run_ctx_connect_upstream_port(ctx, upstream_port);
-               if (ret) {
-                       goto end;
-               }
-       }
-
-end:
-       return ret;
-}
-
-static
-int cmd_run_ctx_connect_ports(struct cmd_run_ctx *ctx)
-{
-       int ret = 0;
-       GHashTableIter iter;
-       gpointer g_name_quark, g_comp;
-
-       ctx->connect_ports = true;
-       g_hash_table_iter_init(&iter, ctx->src_components);
-
-       while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
-               ret = cmd_run_ctx_connect_comp_ports(ctx, g_comp,
-                       (output_port_count_func_t)
-                               bt_component_source_get_output_port_count,
-                       (borrow_output_port_by_index_func_t)
-                               bt_component_source_borrow_output_port_by_index_const);
-               if (ret) {
-                       goto end;
-               }
-       }
-
-       g_hash_table_iter_init(&iter, ctx->flt_components);
-
-       while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
-               ret = cmd_run_ctx_connect_comp_ports(ctx, g_comp,
-                       (output_port_count_func_t)
-                               bt_component_filter_get_output_port_count,
-                       (borrow_output_port_by_index_func_t)
-                               bt_component_filter_borrow_output_port_by_index_const);
-               if (ret) {
-                       goto end;
-               }
-       }
-
-end:
-       return ret;
-}
-
-static inline
-const char *bt_graph_status_str(bt_graph_status status)
-{
-       switch (status) {
-       case BT_GRAPH_STATUS_OK:
-               return "BT_GRAPH_STATUS_OK";
-       case BT_GRAPH_STATUS_END:
-               return "BT_GRAPH_STATUS_END";
-       case BT_GRAPH_STATUS_AGAIN:
-               return "BT_GRAPH_STATUS_AGAIN";
-       case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
-               return "BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION";
-       case BT_GRAPH_STATUS_CANCELED:
-               return "BT_GRAPH_STATUS_CANCELED";
-       case BT_GRAPH_STATUS_ERROR:
-               return "BT_GRAPH_STATUS_ERROR";
-       case BT_GRAPH_STATUS_NOMEM:
-               return "BT_GRAPH_STATUS_NOMEM";
-       default:
-               return "(unknown)";
-       }
-}
-
-static
-int cmd_run(struct bt_config *cfg)
-{
-       int ret = 0;
-       struct cmd_run_ctx ctx = { 0 };
-
-       /* Initialize the command's context and the graph object */
-       if (cmd_run_ctx_init(&ctx, cfg)) {
-               BT_LOGE_STR("Cannot initialize the command's context.");
-               fprintf(stderr, "Cannot initialize the command's context\n");
-               goto error;
-       }
-
-       if (canceled) {
-               BT_LOGI_STR("Canceled by user before creating components.");
-               goto error;
-       }
-
-       BT_LOGI_STR("Creating components.");
-
-       /* Create the requested component instances */
-       if (cmd_run_ctx_create_components(&ctx)) {
-               BT_LOGE_STR("Cannot create components.");
-               fprintf(stderr, "Cannot create components\n");
-               goto error;
-       }
-
-       if (canceled) {
-               BT_LOGI_STR("Canceled by user before connecting components.");
-               goto error;
-       }
-
-       BT_LOGI_STR("Connecting components.");
-
-       /* Connect the initially visible component ports */
-       if (cmd_run_ctx_connect_ports(&ctx)) {
-               BT_LOGE_STR("Cannot connect initial component ports.");
-               fprintf(stderr, "Cannot connect initial component ports\n");
-               goto error;
-       }
-
-       if (canceled) {
-               BT_LOGI_STR("Canceled by user before running the graph.");
-               goto error;
-       }
-
-       BT_LOGI_STR("Running the graph.");
-
-       /* Run the graph */
-       while (true) {
-               bt_graph_status graph_status = bt_graph_run(ctx.graph);
-
-               /*
-                * Reset console in case something messed with console
-                * codes during the graph's execution.
-                */
-               printf("%s", bt_common_color_reset());
-               fflush(stdout);
-               fprintf(stderr, "%s", bt_common_color_reset());
-               BT_LOGV("bt_graph_run() returned: status=%s",
-                       bt_graph_status_str(graph_status));
-
-               switch (graph_status) {
-               case BT_GRAPH_STATUS_OK:
-                       break;
-               case BT_GRAPH_STATUS_CANCELED:
-                       BT_LOGI_STR("Graph was canceled by user.");
-                       goto error;
-               case BT_GRAPH_STATUS_AGAIN:
-                       if (bt_graph_is_canceled(ctx.graph)) {
-                               BT_LOGI_STR("Graph was canceled by user.");
-                               goto error;
-                       }
-
-                       if (cfg->cmd_data.run.retry_duration_us > 0) {
-                               BT_LOGV("Got BT_GRAPH_STATUS_AGAIN: sleeping: "
-                                       "time-us=%" PRIu64,
-                                       cfg->cmd_data.run.retry_duration_us);
-
-                               if (usleep(cfg->cmd_data.run.retry_duration_us)) {
-                                       if (bt_graph_is_canceled(ctx.graph)) {
-                                               BT_LOGI_STR("Graph was canceled by user.");
-                                               goto error;
-                                       }
-                               }
-                       }
-                       break;
-               case BT_GRAPH_STATUS_END:
-                       goto end;
-               default:
-                       BT_LOGE_STR("Graph failed to complete successfully");
-                       fprintf(stderr, "Graph failed to complete successfully\n");
-                       goto error;
-               }
-       }
-
-       goto end;
-
-error:
-       if (ret == 0) {
-               ret = -1;
-       }
-
-end:
-       cmd_run_ctx_destroy(&ctx);
-       return ret;
-}
-
-static
-void warn_command_name_and_directory_clash(struct bt_config *cfg)
-{
-       const char *env_clash;
-
-       if (!cfg->command_name) {
-               return;
-       }
-
-       env_clash = getenv(ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH);
-       if (env_clash && strcmp(env_clash, "0") == 0) {
-               return;
-       }
-
-       if (g_file_test(cfg->command_name,
-                       G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
-               fprintf(stderr, "\nNOTE: The `%s` command was executed. If you meant to convert a\n",
-                       cfg->command_name);
-               fprintf(stderr, "trace located in the local `%s` directory, please use:\n",
-                       cfg->command_name);
-               fprintf(stderr, "\n");
-               fprintf(stderr, "    babeltrace convert %s [OPTIONS]\n",
-                       cfg->command_name);
-       }
-}
-
-static
-void init_log_level(void)
-{
-       bt_cli_log_level = bt_log_get_level_from_env(ENV_BABELTRACE_CLI_LOG_LEVEL);
-}
-
-static
-void set_auto_log_levels(struct bt_config *cfg)
-{
-       const char **env_var_name;
-
-       /*
-        * Override the configuration's default log level if
-        * BABELTRACE_VERBOSE or BABELTRACE_DEBUG environment variables
-        * are found for backward compatibility with legacy Babetrace 1.
-        */
-       if (getenv("BABELTRACE_DEBUG") &&
-                       strcmp(getenv("BABELTRACE_DEBUG"), "1") == 0) {
-               cfg->log_level = 'V';
-       } else if (getenv("BABELTRACE_VERBOSE") &&
-                       strcmp(getenv("BABELTRACE_VERBOSE"), "1") == 0) {
-               cfg->log_level = 'I';
-       }
-
-       /*
-        * Set log levels according to --debug or --verbose. For
-        * backward compatibility, --debug is more verbose than
-        * --verbose. So:
-        *
-        *     --verbose: INFO log level
-        *     --debug:   VERBOSE log level (includes DEBUG, which is
-        *                is less verbose than VERBOSE in the internal
-        *                logging framework)
-        */
-       if (!getenv("BABELTRACE_LOGGING_GLOBAL_LEVEL")) {
-               if (cfg->verbose) {
-                       bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
-               } else if (cfg->debug) {
-                       bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
-               } else {
-                       /*
-                        * Set library's default log level if not
-                        * explicitly specified.
-                        */
-                       switch (cfg->log_level) {
-                       case 'N':
-                               bt_logging_set_global_level(BT_LOGGING_LEVEL_NONE);
-                               break;
-                       case 'V':
-                               bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
-                               break;
-                       case 'D':
-                               bt_logging_set_global_level(BT_LOGGING_LEVEL_DEBUG);
-                               break;
-                       case 'I':
-                               bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
-                               break;
-                       case 'W':
-                               bt_logging_set_global_level(BT_LOGGING_LEVEL_WARN);
-                               break;
-                       case 'E':
-                               bt_logging_set_global_level(BT_LOGGING_LEVEL_ERROR);
-                               break;
-                       case 'F':
-                               bt_logging_set_global_level(BT_LOGGING_LEVEL_FATAL);
-                               break;
-                       default:
-                               abort();
-                       }
-               }
-       }
-
-       if (!getenv(ENV_BABELTRACE_CLI_LOG_LEVEL)) {
-               if (cfg->verbose) {
-                       bt_cli_log_level = BT_LOG_INFO;
-               } else if (cfg->debug) {
-                       bt_cli_log_level = BT_LOG_VERBOSE;
-               } else {
-                       /*
-                        * Set CLI's default log level if not explicitly
-                        * specified.
-                        */
-                       switch (cfg->log_level) {
-                       case 'N':
-                               bt_cli_log_level = BT_LOG_NONE;
-                               break;
-                       case 'V':
-                               bt_cli_log_level = BT_LOG_VERBOSE;
-                               break;
-                       case 'D':
-                               bt_cli_log_level = BT_LOG_DEBUG;
-                               break;
-                       case 'I':
-                               bt_cli_log_level = BT_LOG_INFO;
-                               break;
-                       case 'W':
-                               bt_cli_log_level = BT_LOG_WARN;
-                               break;
-                       case 'E':
-                               bt_cli_log_level = BT_LOG_ERROR;
-                               break;
-                       case 'F':
-                               bt_cli_log_level = BT_LOG_FATAL;
-                               break;
-                       default:
-                               abort();
-                       }
-               }
-       }
-
-       env_var_name = log_level_env_var_names;
-
-       while (*env_var_name) {
-               if (!getenv(*env_var_name)) {
-                       if (cfg->verbose) {
-                               g_setenv(*env_var_name, "I", 1);
-                       } else if (cfg->debug) {
-                               g_setenv(*env_var_name, "V", 1);
-                       } else {
-                               char val[2] = { 0 };
-
-                               /*
-                                * Set module's default log level if not
-                                * explicitly specified.
-                                */
-                               val[0] = cfg->log_level;
-                               g_setenv(*env_var_name, val, 1);
-                       }
-               }
-
-               env_var_name++;
-       }
-}
-
-int main(int argc, const char **argv)
-{
-       int ret;
-       int retcode;
-       struct bt_config *cfg;
-
-       init_log_level();
-       set_signal_handler();
-       init_static_data();
-       cfg = bt_config_cli_args_create_with_default(argc, argv, &retcode);
-
-       if (retcode < 0) {
-               /* Quit without errors; typically usage/version */
-               retcode = 0;
-               BT_LOGI_STR("Quitting without errors.");
-               goto end;
-       }
-
-       if (retcode > 0) {
-               BT_LOGE("Command-line error: retcode=%d", retcode);
-               goto end;
-       }
-
-       if (!cfg) {
-               BT_LOGE_STR("Failed to create a valid Babeltrace configuration.");
-               fprintf(stderr, "Failed to create Babeltrace configuration\n");
-               retcode = 1;
-               goto end;
-       }
-
-       set_auto_log_levels(cfg);
-       print_cfg(cfg);
-
-       if (cfg->command_needs_plugins) {
-               ret = load_all_plugins(cfg->plugin_paths);
-               if (ret) {
-                       BT_LOGE("Failed to load plugins: ret=%d", ret);
-                       retcode = 1;
-                       goto end;
-               }
-       }
-
-       BT_LOGI("Executing command: cmd=%d, command-name=\"%s\"",
-               cfg->command, cfg->command_name);
-
-       switch (cfg->command) {
-       case BT_CONFIG_COMMAND_RUN:
-               ret = cmd_run(cfg);
-               break;
-       case BT_CONFIG_COMMAND_LIST_PLUGINS:
-               ret = cmd_list_plugins(cfg);
-               break;
-       case BT_CONFIG_COMMAND_HELP:
-               ret = cmd_help(cfg);
-               break;
-       case BT_CONFIG_COMMAND_QUERY:
-               ret = cmd_query(cfg);
-               break;
-       case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
-               ret = cmd_print_ctf_metadata(cfg);
-               break;
-       case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
-               ret = cmd_print_lttng_live_sessions(cfg);
-               break;
-       default:
-               BT_LOGF("Invalid/unknown command: cmd=%d", cfg->command);
-               abort();
-       }
-
-       BT_LOGI("Command completed: cmd=%d, command-name=\"%s\", ret=%d",
-               cfg->command, cfg->command_name, ret);
-       warn_command_name_and_directory_clash(cfg);
-       retcode = ret ? 1 : 0;
-
-end:
-       BT_OBJECT_PUT_REF_AND_RESET(cfg);
-       fini_static_data();
-       return retcode;
-}
diff --git a/cli/babeltrace2-cfg-cli-args-connect.c b/cli/babeltrace2-cfg-cli-args-connect.c
new file mode 100644 (file)
index 0000000..f1d7104
--- /dev/null
@@ -0,0 +1,726 @@
+/*
+ * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <babeltrace/babeltrace.h>
+#include <babeltrace/common-internal.h>
+#include "babeltrace2-cfg.h"
+#include "babeltrace2-cfg-cli-args-connect.h"
+
+static bool all_named_and_printable_in_array(GPtrArray *comps)
+{
+       size_t i;
+       bool all_named_and_printable = true;
+
+       for (i = 0; i < comps->len; i++) {
+               struct bt_config_component *comp = g_ptr_array_index(comps, i);
+
+               if (comp->instance_name->len == 0) {
+                       all_named_and_printable = false;
+                       goto end;
+               }
+
+               if (!bt_common_string_is_printable(comp->instance_name->str)) {
+                       all_named_and_printable = false;
+                       goto end;
+               }
+       }
+
+end:
+       return all_named_and_printable;
+}
+
+static bool all_named_and_printable(struct bt_config *cfg)
+{
+       return all_named_and_printable_in_array(cfg->cmd_data.run.sources) &&
+               all_named_and_printable_in_array(cfg->cmd_data.run.filters) &&
+               all_named_and_printable_in_array(cfg->cmd_data.run.sinks);
+}
+
+static struct bt_config_connection *bt_config_connection_create(const char *arg)
+{
+       struct bt_config_connection *cfg_connection;
+
+       cfg_connection = g_new0(struct bt_config_connection, 1);
+       if (!cfg_connection) {
+               goto error;
+       }
+
+       cfg_connection->upstream_comp_name = g_string_new(NULL);
+       if (!cfg_connection->upstream_comp_name) {
+               goto error;
+       }
+
+       cfg_connection->downstream_comp_name = g_string_new(NULL);
+       if (!cfg_connection->downstream_comp_name) {
+               goto error;
+       }
+
+       cfg_connection->upstream_port_glob = g_string_new("*");
+       if (!cfg_connection->upstream_port_glob) {
+               goto error;
+       }
+
+       cfg_connection->downstream_port_glob = g_string_new("*");
+       if (!cfg_connection->downstream_port_glob) {
+               goto error;
+       }
+
+       cfg_connection->arg = g_string_new(arg);
+       if (!cfg_connection->arg) {
+               goto error;
+       }
+
+       goto end;
+
+error:
+       g_free(cfg_connection);
+       cfg_connection = NULL;
+
+end:
+       return cfg_connection;
+}
+
+static bool validate_port_glob(const char *port_glob)
+{
+       bool is_valid = true;
+       const char *ch = port_glob;
+
+       BT_ASSERT(port_glob);
+
+       while (*ch != '\0') {
+               switch (*ch) {
+               case '\\':
+                       switch (ch[1]) {
+                       case '\0':
+                               goto end;
+                       default:
+                               ch += 2;
+                               continue;
+                       }
+               case '?':
+               case '[':
+                       /*
+                        * This is reserved for future use, to support
+                        * full globbing patterns. Those characters must
+                        * be escaped with `\`.
+                        */
+                       is_valid = false;
+                       goto end;
+               default:
+                       ch++;
+                       break;
+               }
+       }
+
+end:
+       return is_valid;
+}
+
+static int normalize_glob_pattern(GString *glob_pattern_gs)
+{
+       int ret = 0;
+       char *glob_pattern = strdup(glob_pattern_gs->str);
+
+       if (!glob_pattern) {
+               ret = -1;
+               goto end;
+       }
+
+       bt_common_normalize_star_glob_pattern(glob_pattern);
+       g_string_assign(glob_pattern_gs, glob_pattern);
+       free(glob_pattern);
+
+end:
+       return ret;
+}
+
+static struct bt_config_connection *cfg_connection_from_arg(const char *arg)
+{
+       const char *at = arg;
+       size_t end_pos;
+       struct bt_config_connection *cfg_conn = NULL;
+       GString *gs = NULL;
+       enum {
+               UPSTREAM_NAME,
+               DOWNSTREAM_NAME,
+               UPSTREAM_PORT_GLOB,
+               DOWNSTREAM_PORT_GLOB,
+       } state = UPSTREAM_NAME;
+
+       if (!bt_common_string_is_printable(arg)) {
+               goto error;
+       }
+
+       cfg_conn = bt_config_connection_create(arg);
+       if (!cfg_conn) {
+               goto error;
+       }
+
+       while (true) {
+               switch (state) {
+               case UPSTREAM_NAME:
+                       gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
+                       if (!gs || gs->len == 0) {
+                               goto error;
+                       }
+
+                       g_string_free(cfg_conn->upstream_comp_name, TRUE);
+                       cfg_conn->upstream_comp_name = gs;
+                       gs = NULL;
+
+                       if (at[end_pos] == ':') {
+                               state = DOWNSTREAM_NAME;
+                       } else if (at[end_pos] == '.') {
+                               state = UPSTREAM_PORT_GLOB;
+                       } else {
+                               goto error;
+                       }
+
+                       at += end_pos + 1;
+                       break;
+               case DOWNSTREAM_NAME:
+                       gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
+                       if (!gs || gs->len == 0) {
+                               goto error;
+                       }
+
+                       g_string_free(cfg_conn->downstream_comp_name, TRUE);
+                       cfg_conn->downstream_comp_name = gs;
+                       gs = NULL;
+
+                       if (at[end_pos] == '.') {
+                               state = DOWNSTREAM_PORT_GLOB;
+                       } else if (at[end_pos] == '\0') {
+                               goto end;
+                       } else {
+                               goto error;
+                       }
+
+                       at += end_pos + 1;
+                       break;
+               case UPSTREAM_PORT_GLOB:
+                       gs = bt_common_string_until(at, ".:", ".:", &end_pos);
+                       if (!gs || gs->len == 0) {
+                               goto error;
+                       }
+
+                       if (!validate_port_glob(gs->str)) {
+                               goto error;
+                       }
+
+                       if (normalize_glob_pattern(gs)) {
+                               goto error;
+                       }
+
+                       g_string_free(cfg_conn->upstream_port_glob, TRUE);
+                       cfg_conn->upstream_port_glob = gs;
+                       gs = NULL;
+
+                       if (at[end_pos] == ':') {
+                               state = DOWNSTREAM_NAME;
+                       } else {
+                               goto error;
+                       }
+
+                       at += end_pos + 1;
+                       break;
+               case DOWNSTREAM_PORT_GLOB:
+                       gs = bt_common_string_until(at, ".:", ".:", &end_pos);
+                       if (!gs || gs->len == 0) {
+                               goto error;
+                       }
+
+                       if (!validate_port_glob(gs->str)) {
+                               goto error;
+                       }
+
+                       if (normalize_glob_pattern(gs)) {
+                               goto error;
+                       }
+
+                       g_string_free(cfg_conn->downstream_port_glob, TRUE);
+                       cfg_conn->downstream_port_glob = gs;
+                       gs = NULL;
+
+                       if (at[end_pos] == '\0') {
+                               goto end;
+                       } else {
+                               goto error;
+                       }
+                       break;
+               default:
+                       abort();
+               }
+       }
+
+error:
+       bt_config_connection_destroy(cfg_conn);
+       cfg_conn = NULL;
+
+end:
+       if (gs) {
+               g_string_free(gs, TRUE);
+       }
+
+       return cfg_conn;
+}
+
+static struct bt_config_component *find_component_in_array(GPtrArray *comps,
+               const char *name)
+{
+       size_t i;
+       struct bt_config_component *found_comp = NULL;
+
+       for (i = 0; i < comps->len; i++) {
+               struct bt_config_component *comp = g_ptr_array_index(comps, i);
+
+               if (strcmp(name, comp->instance_name->str) == 0) {
+                       found_comp = comp;
+                       bt_object_get_ref(found_comp);
+                       goto end;
+               }
+       }
+
+end:
+       return found_comp;
+}
+
+static struct bt_config_component *find_component(struct bt_config *cfg,
+               const char *name)
+{
+       struct bt_config_component *comp;
+
+       comp = find_component_in_array(cfg->cmd_data.run.sources, name);
+       if (comp) {
+               goto end;
+       }
+
+       comp = find_component_in_array(cfg->cmd_data.run.filters, name);
+       if (comp) {
+               goto end;
+       }
+
+       comp = find_component_in_array(cfg->cmd_data.run.sinks, name);
+       if (comp) {
+               goto end;
+       }
+
+end:
+       return comp;
+}
+
+static int validate_all_endpoints_exist(struct bt_config *cfg, char *error_buf,
+               size_t error_buf_size)
+{
+       size_t i;
+       int ret = 0;
+
+       for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+               struct bt_config_connection *connection =
+                       g_ptr_array_index(cfg->cmd_data.run.connections, i);
+               struct bt_config_component *comp;
+
+               comp = find_component(cfg, connection->upstream_comp_name->str);
+               bt_object_put_ref(comp);
+               if (!comp) {
+                       snprintf(error_buf, error_buf_size,
+                               "Invalid connection: cannot find upstream component `%s`:\n    %s\n",
+                               connection->upstream_comp_name->str,
+                               connection->arg->str);
+                       ret = -1;
+                       goto end;
+               }
+
+               comp = find_component(cfg, connection->downstream_comp_name->str);
+               bt_object_put_ref(comp);
+               if (!comp) {
+                       snprintf(error_buf, error_buf_size,
+                               "Invalid connection: cannot find downstream component `%s`:\n    %s\n",
+                               connection->downstream_comp_name->str,
+                               connection->arg->str);
+                       ret = -1;
+                       goto end;
+               }
+       }
+
+end:
+       return ret;
+}
+
+static int validate_connection_directions(struct bt_config *cfg,
+               char *error_buf, size_t error_buf_size)
+{
+       size_t i;
+       int ret = 0;
+       struct bt_config_component *src_comp = NULL;
+       struct bt_config_component *dst_comp = NULL;
+
+       for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+               struct bt_config_connection *connection =
+                       g_ptr_array_index(cfg->cmd_data.run.connections, i);
+
+               src_comp = find_component(cfg,
+                       connection->upstream_comp_name->str);
+               BT_ASSERT(src_comp);
+               dst_comp = find_component(cfg,
+                       connection->downstream_comp_name->str);
+               BT_ASSERT(dst_comp);
+
+               if (src_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) {
+                       if (dst_comp->type != BT_COMPONENT_CLASS_TYPE_FILTER &&
+                                       dst_comp->type != BT_COMPONENT_CLASS_TYPE_SINK) {
+                               snprintf(error_buf, error_buf_size,
+                                       "Invalid connection: source component `%s` not connected to filter or sink component:\n    %s\n",
+                                       connection->upstream_comp_name->str,
+                                       connection->arg->str);
+                               ret = -1;
+                               goto end;
+                       }
+               } else if (src_comp->type == BT_COMPONENT_CLASS_TYPE_FILTER) {
+                       if (dst_comp->type != BT_COMPONENT_CLASS_TYPE_FILTER &&
+                                       dst_comp->type != BT_COMPONENT_CLASS_TYPE_SINK) {
+                               snprintf(error_buf, error_buf_size,
+                                       "Invalid connection: filter component `%s` not connected to filter or sink component:\n    %s\n",
+                                       connection->upstream_comp_name->str,
+                                       connection->arg->str);
+                               ret = -1;
+                               goto end;
+                       }
+               } else {
+                       snprintf(error_buf, error_buf_size,
+                               "Invalid connection: cannot connect sink component `%s` to component `%s`:\n    %s\n",
+                               connection->upstream_comp_name->str,
+                               connection->downstream_comp_name->str,
+                               connection->arg->str);
+                       ret = -1;
+                       goto end;
+               }
+
+               BT_OBJECT_PUT_REF_AND_RESET(src_comp);
+               BT_OBJECT_PUT_REF_AND_RESET(dst_comp);
+       }
+
+end:
+       bt_object_put_ref(src_comp);
+       bt_object_put_ref(dst_comp);
+       return ret;
+}
+
+static int validate_no_cycles_rec(struct bt_config *cfg, GPtrArray *path,
+               char *error_buf, size_t error_buf_size)
+{
+       int ret = 0;
+       size_t conn_i;
+       const char *src_comp_name;
+
+       BT_ASSERT(path && path->len > 0);
+       src_comp_name = g_ptr_array_index(path, path->len - 1);
+
+       for (conn_i = 0; conn_i < cfg->cmd_data.run.connections->len; conn_i++) {
+               struct bt_config_connection *conn =
+                       g_ptr_array_index(cfg->cmd_data.run.connections, conn_i);
+
+               if (strcmp(conn->upstream_comp_name->str, src_comp_name) == 0) {
+                       size_t path_i;
+
+                       for (path_i = 0; path_i < path->len; path_i++) {
+                               const char *comp_name =
+                                       g_ptr_array_index(path, path_i);
+
+                               if (strcmp(comp_name, conn->downstream_comp_name->str) == 0) {
+                                       snprintf(error_buf, error_buf_size,
+                                               "Invalid connection: connection forms a cycle:\n    %s\n",
+                                               conn->arg->str);
+                                       ret = -1;
+                                       goto end;
+                               }
+                       }
+
+                       g_ptr_array_add(path, conn->downstream_comp_name->str);
+                       ret = validate_no_cycles_rec(cfg, path, error_buf,
+                                       error_buf_size);
+                       if (ret) {
+                               goto end;
+                       }
+
+                       g_ptr_array_remove_index(path, path->len - 1);
+               }
+       }
+
+end:
+       return ret;
+}
+
+static int validate_no_cycles(struct bt_config *cfg, char *error_buf,
+               size_t error_buf_size)
+{
+       size_t i;
+       int ret = 0;
+       GPtrArray *path;
+
+       path = g_ptr_array_new();
+       if (!path) {
+               ret = -1;
+               goto end;
+       }
+
+       g_ptr_array_add(path, NULL);
+
+       for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+               struct bt_config_connection *conn =
+                       g_ptr_array_index(cfg->cmd_data.run.connections, i);
+
+               g_ptr_array_index(path, 0) = conn->upstream_comp_name->str;
+               ret = validate_no_cycles_rec(cfg, path,
+                       error_buf, error_buf_size);
+               if (ret) {
+                       goto end;
+               }
+       }
+
+end:
+       if (path) {
+               g_ptr_array_free(path, TRUE);
+       }
+
+       return ret;
+}
+
+static int validate_all_components_connected_in_array(GPtrArray *comps,
+               const bt_value *connected_components,
+               char *error_buf, size_t error_buf_size)
+{
+       int ret = 0;
+       size_t i;
+
+       for (i = 0; i < comps->len; i++) {
+               struct bt_config_component *comp = g_ptr_array_index(comps, i);
+
+               if (!bt_value_map_has_entry(connected_components,
+                               comp->instance_name->str)) {
+                       snprintf(error_buf, error_buf_size,
+                               "Component `%s` is not connected\n",
+                               comp->instance_name->str);
+                       ret = -1;
+                       goto end;
+               }
+       }
+
+end:
+       return ret;
+}
+
+static int validate_all_components_connected(struct bt_config *cfg,
+               char *error_buf, size_t error_buf_size)
+{
+       size_t i;
+       int ret = 0;
+       bt_value *connected_components = bt_value_map_create();
+
+       if (!connected_components) {
+               ret = -1;
+               goto end;
+       }
+
+       for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+               struct bt_config_connection *connection =
+                       g_ptr_array_index(cfg->cmd_data.run.connections, i);
+
+               ret = bt_value_map_insert_entry(connected_components,
+                       connection->upstream_comp_name->str, bt_value_null);
+               if (ret) {
+                       goto end;
+               }
+
+               ret = bt_value_map_insert_entry(connected_components,
+                       connection->downstream_comp_name->str, bt_value_null);
+               if (ret) {
+                       goto end;
+               }
+       }
+
+       ret = validate_all_components_connected_in_array(
+               cfg->cmd_data.run.sources,
+               connected_components,
+               error_buf, error_buf_size);
+       if (ret) {
+               goto end;
+       }
+
+       ret = validate_all_components_connected_in_array(
+               cfg->cmd_data.run.filters,
+               connected_components,
+               error_buf, error_buf_size);
+       if (ret) {
+               goto end;
+       }
+
+       ret = validate_all_components_connected_in_array(
+               cfg->cmd_data.run.sinks,
+               connected_components,
+               error_buf, error_buf_size);
+       if (ret) {
+               goto end;
+       }
+
+end:
+       bt_value_put_ref(connected_components);
+       return ret;
+}
+
+static int validate_no_duplicate_connection(struct bt_config *cfg,
+               char *error_buf, size_t error_buf_size)
+{
+       size_t i;
+       int ret = 0;
+       bt_value *flat_connection_names =
+               bt_value_map_create();
+       GString *flat_connection_name = NULL;
+
+       if (!flat_connection_names) {
+               ret = -1;
+               goto end;
+       }
+
+       flat_connection_name = g_string_new(NULL);
+       if (!flat_connection_name) {
+               ret = -1;
+               goto end;
+       }
+
+       for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+               struct bt_config_connection *connection =
+                       g_ptr_array_index(cfg->cmd_data.run.connections, i);
+
+               g_string_printf(flat_connection_name, "%s\x01%s\x01%s\x01%s",
+                       connection->upstream_comp_name->str,
+                       connection->upstream_port_glob->str,
+                       connection->downstream_comp_name->str,
+                       connection->downstream_port_glob->str);
+
+               if (bt_value_map_has_entry(flat_connection_names,
+                                          flat_connection_name->str)) {
+                       snprintf(error_buf, error_buf_size,
+                               "Duplicate connection:\n    %s\n",
+                               connection->arg->str);
+                       ret = -1;
+                       goto end;
+               }
+
+               ret = bt_value_map_insert_entry(flat_connection_names,
+                       flat_connection_name->str, bt_value_null);
+               if (ret) {
+                       goto end;
+               }
+       }
+
+end:
+       bt_value_put_ref(flat_connection_names);
+
+       if (flat_connection_name) {
+               g_string_free(flat_connection_name, TRUE);
+       }
+
+       return ret;
+}
+
+static int validate_connections(struct bt_config *cfg, char *error_buf,
+               size_t error_buf_size)
+{
+       int ret;
+
+       ret = validate_all_endpoints_exist(cfg, error_buf, error_buf_size);
+       if (ret) {
+               goto end;
+       }
+
+       ret = validate_connection_directions(cfg, error_buf, error_buf_size);
+       if (ret) {
+               goto end;
+       }
+
+       ret = validate_all_components_connected(cfg, error_buf, error_buf_size);
+       if (ret) {
+               goto end;
+       }
+
+       ret = validate_no_duplicate_connection(cfg, error_buf, error_buf_size);
+       if (ret) {
+               goto end;
+       }
+
+       ret = validate_no_cycles(cfg, error_buf, error_buf_size);
+       if (ret) {
+               goto end;
+       }
+
+end:
+       return ret;
+}
+
+int bt_config_cli_args_create_connections(struct bt_config *cfg,
+               const bt_value *connection_args,
+               char *error_buf, size_t error_buf_size)
+{
+       int ret;
+       size_t i;
+
+       if (!all_named_and_printable(cfg)) {
+               snprintf(error_buf, error_buf_size,
+                       "One or more components are unnamed (use --name) or contain a non-printable character\n");
+               goto error;
+       }
+
+       for (i = 0; i < bt_value_array_get_size(connection_args); i++) {
+               const bt_value *arg_value =
+                       bt_value_array_borrow_element_by_index_const(
+                               connection_args, i);
+               const char *arg;
+               struct bt_config_connection *cfg_connection;
+
+               arg = bt_value_string_get(arg_value);
+               cfg_connection = cfg_connection_from_arg(arg);
+               if (!cfg_connection) {
+                       snprintf(error_buf, error_buf_size, "Cannot parse --connect option's argument:\n    %s\n",
+                               arg);
+                       goto error;
+               }
+
+               g_ptr_array_add(cfg->cmd_data.run.connections,
+                       cfg_connection);
+       }
+
+
+       ret = validate_connections(cfg, error_buf, error_buf_size);
+       if (ret) {
+               goto error;
+       }
+
+       goto end;
+
+error:
+       ret = -1;
+
+end:
+       return ret;
+}
diff --git a/cli/babeltrace2-cfg-cli-args-connect.h b/cli/babeltrace2-cfg-cli-args-connect.h
new file mode 100644 (file)
index 0000000..5130cd9
--- /dev/null
@@ -0,0 +1,36 @@
+#ifndef CLI_BABELTRACE_CFG_CLI_ARGS_CONNECT_H
+#define CLI_BABELTRACE_CFG_CLI_ARGS_CONNECT_H
+
+/*
+ * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <babeltrace/value.h>
+#include <glib.h>
+#include "babeltrace2-cfg.h"
+
+int bt_config_cli_args_create_connections(struct bt_config *cfg,
+               const bt_value *connection_args,
+               char *error_buf, size_t error_buf_size);
+
+#endif /* CLI_BABELTRACE_CFG_CLI_ARGS_CONNECT_H */
diff --git a/cli/babeltrace2-cfg-cli-args-default.c b/cli/babeltrace2-cfg-cli-args-default.c
new file mode 100644 (file)
index 0000000..5cd0bcf
--- /dev/null
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright 2017 - Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/babeltrace.h>
+#include "babeltrace2-cfg.h"
+#include "babeltrace2-cfg-cli-args.h"
+#include "babeltrace2-cfg-cli-args-default.h"
+
+#ifdef ENABLE_DEBUG_INFO
+# define BT_ENABLE_DEBUG_INFO  1
+#else
+# define BT_ENABLE_DEBUG_INFO  0
+#endif
+
+#ifdef BT_SET_DEFAULT_IN_TREE_CONFIGURATION
+
+struct bt_config *bt_config_cli_args_create_with_default(int argc,
+               const char *argv[], int *retcode)
+{
+       bt_value *initial_plugin_paths;
+       struct bt_config *cfg = NULL;
+       int ret;
+
+       initial_plugin_paths = bt_value_array_create();
+       if (!initial_plugin_paths) {
+               goto error;
+       }
+
+       ret = bt_config_append_plugin_paths(initial_plugin_paths,
+               CONFIG_IN_TREE_PLUGIN_PATH);
+       if (ret) {
+               goto error;
+       }
+
+       cfg = bt_config_cli_args_create(argc, argv, retcode, true, true,
+               initial_plugin_paths);
+       goto end;
+
+error:
+       *retcode = 1;
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       bt_value_put_ref(initial_plugin_paths);
+       return cfg;
+}
+
+#else /* BT_SET_DEFAULT_IN_TREE_CONFIGURATION */
+
+struct bt_config *bt_config_cli_args_create_with_default(int argc,
+               const char *argv[], int *retcode)
+{
+       return bt_config_cli_args_create(argc, argv, retcode, false, false,
+               NULL);
+}
+
+#endif /* BT_SET_DEFAULT_IN_TREE_CONFIGURATION */
diff --git a/cli/babeltrace2-cfg-cli-args-default.h b/cli/babeltrace2-cfg-cli-args-default.h
new file mode 100644 (file)
index 0000000..839b08c
--- /dev/null
@@ -0,0 +1,33 @@
+#ifndef CLI_BABELTRACE_CFG_CLI_ARGS_DEFAULT_H
+#define CLI_BABELTRACE_CFG_CLI_ARGS_DEFAULT_H
+
+/*
+ * Babeltrace Trace Converter - Default Configuration
+ *
+ * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "babeltrace2-cfg.h"
+
+struct bt_config *bt_config_cli_args_create_with_default(int argc,
+               const char *argv[], int *retcode);
+
+#endif /* CLI_BABELTRACE_CFG_CLI_ARGS_DEFAULT_H */
diff --git a/cli/babeltrace2-cfg-cli-args.c b/cli/babeltrace2-cfg-cli-args.c
new file mode 100644 (file)
index 0000000..7a7b855
--- /dev/null
@@ -0,0 +1,5107 @@
+/*
+ * Babeltrace trace converter - parameter parsing
+ *
+ * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#define BT_LOG_TAG "CLI-CFG-CLI-ARGS"
+#include "logging.h"
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <babeltrace/assert-internal.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <inttypes.h>
+#include <babeltrace/babeltrace.h>
+#include <babeltrace/common-internal.h>
+#include <popt.h>
+#include <glib.h>
+#include <sys/types.h>
+#include "babeltrace2-cfg.h"
+#include "babeltrace2-cfg-cli-args.h"
+#include "babeltrace2-cfg-cli-args-connect.h"
+#include "version.h"
+
+/*
+ * Error printf() macro which prepends "Error: " the first time it's
+ * called. This gives a nicer feel than having a bunch of error prefixes
+ * (since the following lines usually describe the error and possible
+ * solutions), or the error prefix just at the end.
+ */
+#define printf_err(fmt, args...)                                       \
+       do {                                                            \
+               if (is_first_error) {                                   \
+                       fprintf(stderr, "Command line error: ");        \
+                       is_first_error = false;                         \
+               }                                                       \
+               fprintf(stderr, fmt, ##args);                           \
+       } while (0)
+
+static bool is_first_error = true;
+
+/* INI-style parsing FSM states */
+enum ini_parsing_fsm_state {
+       /* Expect a map key (identifier) */
+       INI_EXPECT_MAP_KEY,
+
+       /* Expect an equal character ('=') */
+       INI_EXPECT_EQUAL,
+
+       /* Expect a value */
+       INI_EXPECT_VALUE,
+
+       /* Expect a comma character (',') */
+       INI_EXPECT_COMMA,
+};
+
+/* INI-style parsing state variables */
+struct ini_parsing_state {
+       /* Lexical scanner (owned by this) */
+       GScanner *scanner;
+
+       /* Output map value object being filled (owned by this) */
+       bt_value *params;
+
+       /* Next expected FSM state */
+       enum ini_parsing_fsm_state expecting;
+
+       /* Last decoded map key (owned by this) */
+       char *last_map_key;
+
+       /* Complete INI-style string to parse (not owned by this) */
+       const char *arg;
+
+       /* Error buffer (not owned by this) */
+       GString *ini_error;
+};
+
+/* Offset option with "is set" boolean */
+struct offset_opt {
+       int64_t value;
+       bool is_set;
+};
+
+/* Legacy "ctf"/"lttng-live" format options */
+struct ctf_legacy_opts {
+       struct offset_opt offset_s;
+       struct offset_opt offset_ns;
+       bool stream_intersection;
+};
+
+/* Legacy "text" format options */
+struct text_legacy_opts {
+       /*
+        * output, dbg_info_dir, dbg_info_target_prefix, names,
+        * and fields are owned by this.
+        */
+       GString *output;
+       GString *dbg_info_dir;
+       GString *dbg_info_target_prefix;
+       const bt_value *names;
+       const bt_value *fields;
+
+       /* Flags */
+       bool no_delta;
+       bool clock_cycles;
+       bool clock_seconds;
+       bool clock_date;
+       bool clock_gmt;
+       bool dbg_info_full_path;
+       bool verbose;
+};
+
+/* Legacy input format format */
+enum legacy_input_format {
+       LEGACY_INPUT_FORMAT_NONE = 0,
+       LEGACY_INPUT_FORMAT_CTF,
+       LEGACY_INPUT_FORMAT_LTTNG_LIVE,
+};
+
+/* Legacy output format format */
+enum legacy_output_format {
+       LEGACY_OUTPUT_FORMAT_NONE = 0,
+       LEGACY_OUTPUT_FORMAT_TEXT,
+       LEGACY_OUTPUT_FORMAT_DUMMY,
+};
+
+/*
+ * Prints the "out of memory" error.
+ */
+static
+void print_err_oom(void)
+{
+       printf_err("Out of memory\n");
+}
+
+/*
+ * Appends an "expecting token" error to the INI-style parsing state's
+ * error buffer.
+ */
+static
+void ini_append_error_expecting(struct ini_parsing_state *state,
+               GScanner *scanner, const char *expecting)
+{
+       size_t i;
+       size_t pos;
+
+       g_string_append_printf(state->ini_error, "Expecting %s:\n", expecting);
+
+       /* Only print error if there's one line */
+       if (strchr(state->arg, '\n') != NULL || strlen(state->arg) == 0) {
+               return;
+       }
+
+       g_string_append_printf(state->ini_error, "\n    %s\n", state->arg);
+       pos = g_scanner_cur_position(scanner) + 4;
+
+       if (!g_scanner_eof(scanner)) {
+               pos--;
+       }
+
+       for (i = 0; i < pos; ++i) {
+               g_string_append_printf(state->ini_error, " ");
+       }
+
+       g_string_append_printf(state->ini_error, "^\n\n");
+}
+
+/* Parse the next token as an unsigned integer. */
+static
+bt_value *ini_parse_uint(struct ini_parsing_state *state)
+{
+       bt_value *value = NULL;
+       GTokenType token_type = g_scanner_get_next_token(state->scanner);
+
+       if (token_type != G_TOKEN_INT) {
+               ini_append_error_expecting(state, state->scanner,
+                       "integer value");
+               goto end;
+       }
+
+       value = bt_value_unsigned_integer_create_init(
+               state->scanner->value.v_int64);
+
+end:
+       return value;
+}
+
+/* Parse the next token as a number and return its negation. */
+static
+bt_value *ini_parse_neg_number(struct ini_parsing_state *state)
+{
+       bt_value *value = NULL;
+       GTokenType token_type = g_scanner_get_next_token(state->scanner);
+
+       switch (token_type) {
+       case G_TOKEN_INT:
+       {
+               /* Negative integer */
+               uint64_t int_val = state->scanner->value.v_int64;
+
+               if (int_val > (((uint64_t) INT64_MAX) + 1)) {
+                       g_string_append_printf(state->ini_error,
+                               "Integer value -%" PRIu64 " is outside the range of a 64-bit signed integer\n",
+                               int_val);
+               } else {
+                       value = bt_value_signed_integer_create_init(
+                               -((int64_t) int_val));
+               }
+
+               break;
+       }
+       case G_TOKEN_FLOAT:
+               /* Negative floating point number */
+               value = bt_value_real_create_init(-state->scanner->value.v_float);
+               break;
+       default:
+               ini_append_error_expecting(state, state->scanner, "value");
+               break;
+       }
+
+       return value;
+}
+
+static bt_value *ini_parse_value(struct ini_parsing_state *state);
+
+/*
+ * Parse the current and following tokens as an array.  Arrays are formatted as
+ * an opening `[`, a list of comma-separated values and a closing `]`.  For
+ * convenience we support an optional trailing comma, after the last value.
+ *
+ * The current token of the parser must be the opening square bracket of the
+ * array.
+ */
+static
+bt_value *ini_parse_array(struct ini_parsing_state *state)
+{
+       /* The [ character must have already been ingested. */
+       BT_ASSERT(g_scanner_cur_token(state->scanner) == G_TOKEN_CHAR);
+       BT_ASSERT(g_scanner_cur_value(state->scanner).v_char == '[');
+
+       bt_value *array_value;
+       GTokenType token_type;
+
+       array_value = bt_value_array_create ();
+       token_type = g_scanner_get_next_token(state->scanner);
+
+       /* While the current token is not a ]... */
+       while (!(token_type == G_TOKEN_CHAR && g_scanner_cur_value(state->scanner).v_char == ']')) {
+               /* Parse the item... */
+               bt_value *item_value;
+               bt_value_status status;
+
+               item_value = ini_parse_value(state);
+               if (!item_value) {
+                       goto error;
+               }
+
+               /* ... and add it to the result array. */
+               status = bt_value_array_append_element(array_value, item_value);
+               BT_VALUE_PUT_REF_AND_RESET(item_value);
+
+               if (status != BT_VALUE_STATUS_OK) {
+                       goto error;
+               }
+
+               /*
+                * Ingest the token following the value, it should be either a
+                * comma or closing square brace.
+                */
+               token_type = g_scanner_get_next_token(state->scanner);
+
+               if (token_type == G_TOKEN_CHAR && g_scanner_cur_value(state->scanner).v_char == ',') {
+                       /*
+                        * Ingest the token following the comma.  If it happens
+                        * to be a closing square bracket, we'll exit the loop
+                        * and we are done (we allow trailing commas).
+                        * Otherwise, we are ready for the next ini_parse_value call.
+                        */
+                       token_type = g_scanner_get_next_token(state->scanner);
+               } else if (token_type != G_TOKEN_CHAR || g_scanner_cur_value(state->scanner).v_char != ']') {
+                       ini_append_error_expecting(state, state->scanner, ", or ]");
+                       goto error;
+               }
+       }
+
+       goto end;
+
+error:
+       BT_VALUE_PUT_REF_AND_RESET(array_value);
+
+end:
+       return array_value;
+}
+
+/*
+ * Parse the current token (and the following ones if needed) as a value, return
+ * it as a bt_value.
+ */
+static
+bt_value *ini_parse_value(struct ini_parsing_state *state)
+{
+       bt_value *value = NULL;
+       GTokenType token_type = state->scanner->token;
+
+       switch (token_type) {
+       case G_TOKEN_CHAR:
+               if (state->scanner->value.v_char == '-') {
+                       /* Negative number */
+                       value = ini_parse_neg_number(state);
+               } else if (state->scanner->value.v_char == '+') {
+                       /* Unsigned integer */
+                       value = ini_parse_uint(state);
+               } else if (state->scanner->value.v_char == '[') {
+                       /* Array */
+                       value = ini_parse_array(state);
+               } else {
+                       ini_append_error_expecting(state, state->scanner, "value");
+               }
+               break;
+       case G_TOKEN_INT:
+       {
+               /* Positive, signed integer */
+               uint64_t int_val = state->scanner->value.v_int64;
+
+               if (int_val > INT64_MAX) {
+                       g_string_append_printf(state->ini_error,
+                               "Integer value %" PRIu64 " is outside the range of a 64-bit signed integer\n",
+                               int_val);
+               } else {
+                       value = bt_value_signed_integer_create_init(
+                               (int64_t) int_val);
+               }
+               break;
+       }
+       case G_TOKEN_FLOAT:
+               /* Positive floating point number */
+               value = bt_value_real_create_init(state->scanner->value.v_float);
+               break;
+       case G_TOKEN_STRING:
+               /* Quoted string */
+               value = bt_value_string_create_init(state->scanner->value.v_string);
+               break;
+       case G_TOKEN_IDENTIFIER:
+       {
+               /*
+                * Using symbols would be appropriate here,
+                * but said symbols are allowed as map key,
+                * so it's easier to consider everything an
+                * identifier.
+                *
+                * If one of the known symbols is not
+                * recognized here, then fall back to creating
+                * a string value.
+                */
+               const char *id = state->scanner->value.v_identifier;
+
+               if (!strcmp(id, "null") || !strcmp(id, "NULL") ||
+                               !strcmp(id, "nul")) {
+                       value = bt_value_null;
+               } else if (!strcmp(id, "true") || !strcmp(id, "TRUE") ||
+                               !strcmp(id, "yes") ||
+                               !strcmp(id, "YES")) {
+                       value = bt_value_bool_create_init(true);
+               } else if (!strcmp(id, "false") ||
+                               !strcmp(id, "FALSE") ||
+                               !strcmp(id, "no") ||
+                               !strcmp(id, "NO")) {
+                       value = bt_value_bool_create_init(false);
+               } else {
+                       value = bt_value_string_create_init(id);
+               }
+               break;
+       }
+       default:
+               /* Unset value variable will trigger the error */
+               ini_append_error_expecting(state, state->scanner, "value");
+               break;
+       }
+
+       return value;
+}
+
+static
+int ini_handle_state(struct ini_parsing_state *state)
+{
+       int ret = 0;
+       GTokenType token_type;
+       bt_value *value = NULL;
+
+       token_type = g_scanner_get_next_token(state->scanner);
+       if (token_type == G_TOKEN_EOF) {
+               if (state->expecting != INI_EXPECT_COMMA) {
+                       switch (state->expecting) {
+                       case INI_EXPECT_EQUAL:
+                               ini_append_error_expecting(state,
+                                       state->scanner, "'='");
+                               break;
+                       case INI_EXPECT_VALUE:
+                               ini_append_error_expecting(state,
+                                       state->scanner, "value");
+                               break;
+                       case INI_EXPECT_MAP_KEY:
+                               ini_append_error_expecting(state,
+                                       state->scanner, "unquoted map key");
+                               break;
+                       default:
+                               break;
+                       }
+                       goto error;
+               }
+
+               /* We're done! */
+               ret = 1;
+               goto success;
+       }
+
+       switch (state->expecting) {
+       case INI_EXPECT_MAP_KEY:
+               if (token_type != G_TOKEN_IDENTIFIER) {
+                       ini_append_error_expecting(state, state->scanner,
+                               "unquoted map key");
+                       goto error;
+               }
+
+               free(state->last_map_key);
+               state->last_map_key =
+                       strdup(state->scanner->value.v_identifier);
+               if (!state->last_map_key) {
+                       g_string_append(state->ini_error,
+                               "Out of memory\n");
+                       goto error;
+               }
+
+               if (bt_value_map_has_entry(state->params,
+                                          state->last_map_key)) {
+                       g_string_append_printf(state->ini_error,
+                               "Duplicate parameter key: `%s`\n",
+                               state->last_map_key);
+                       goto error;
+               }
+
+               state->expecting = INI_EXPECT_EQUAL;
+               goto success;
+       case INI_EXPECT_EQUAL:
+               if (token_type != G_TOKEN_CHAR) {
+                       ini_append_error_expecting(state,
+                               state->scanner, "'='");
+                       goto error;
+               }
+
+               if (state->scanner->value.v_char != '=') {
+                       ini_append_error_expecting(state,
+                               state->scanner, "'='");
+                       goto error;
+               }
+
+               state->expecting = INI_EXPECT_VALUE;
+               goto success;
+       case INI_EXPECT_VALUE:
+       {
+               value = ini_parse_value(state);
+               if (!value) {
+                       goto error;
+               }
+
+               state->expecting = INI_EXPECT_COMMA;
+               goto success;
+       }
+       case INI_EXPECT_COMMA:
+               if (token_type != G_TOKEN_CHAR) {
+                       ini_append_error_expecting(state,
+                               state->scanner, "','");
+                       goto error;
+               }
+
+               if (state->scanner->value.v_char != ',') {
+                       ini_append_error_expecting(state,
+                               state->scanner, "','");
+                       goto error;
+               }
+
+               state->expecting = INI_EXPECT_MAP_KEY;
+               goto success;
+       default:
+               abort();
+       }
+
+error:
+       ret = -1;
+       goto end;
+
+success:
+       if (value) {
+               if (bt_value_map_insert_entry(state->params,
+                               state->last_map_key, value)) {
+                       /* Only override return value on error */
+                       ret = -1;
+               }
+       }
+
+end:
+       BT_VALUE_PUT_REF_AND_RESET(value);
+       return ret;
+}
+
+/*
+ * Converts an INI-style argument to an equivalent map value object.
+ *
+ * Return value is owned by the caller.
+ */
+static
+bt_value *bt_value_from_ini(const char *arg,
+               GString *ini_error)
+{
+       /* Lexical scanner configuration */
+       GScannerConfig scanner_config = {
+               /* Skip whitespaces */
+               .cset_skip_characters = " \t\n",
+
+               /* Identifier syntax is: [a-zA-Z_][a-zA-Z0-9_.:-]* */
+               .cset_identifier_first =
+                       G_CSET_a_2_z
+                       "_"
+                       G_CSET_A_2_Z,
+               .cset_identifier_nth =
+                       G_CSET_a_2_z
+                       "_0123456789-.:"
+                       G_CSET_A_2_Z,
+
+               /* "hello" and "Hello" two different keys */
+               .case_sensitive = TRUE,
+
+               /* No comments */
+               .cpair_comment_single = NULL,
+               .skip_comment_multi = TRUE,
+               .skip_comment_single = TRUE,
+               .scan_comment_multi = FALSE,
+
+               /*
+                * Do scan identifiers, including 1-char identifiers,
+                * but NULL is a normal identifier.
+                */
+               .scan_identifier = TRUE,
+               .scan_identifier_1char = TRUE,
+               .scan_identifier_NULL = FALSE,
+
+               /*
+                * No specific symbols: null and boolean "symbols" are
+                * scanned as plain identifiers.
+                */
+               .scan_symbols = FALSE,
+               .symbol_2_token = FALSE,
+               .scope_0_fallback = FALSE,
+
+               /*
+                * Scan "0b"-, "0"-, and "0x"-prefixed integers, but not
+                * integers prefixed with "$".
+                */
+               .scan_binary = TRUE,
+               .scan_octal = TRUE,
+               .scan_float = TRUE,
+               .scan_hex = TRUE,
+               .scan_hex_dollar = FALSE,
+
+               /* Convert scanned numbers to integer tokens */
+               .numbers_2_int = TRUE,
+
+               /* Support both integers and floating-point numbers */
+               .int_2_float = FALSE,
+
+               /* Scan integers as 64-bit signed integers */
+               .store_int64 = TRUE,
+
+               /* Only scan double-quoted strings */
+               .scan_string_sq = FALSE,
+               .scan_string_dq = TRUE,
+
+               /* Do not converter identifiers to string tokens */
+               .identifier_2_string = FALSE,
+
+               /* Scan characters as G_TOKEN_CHAR token */
+               .char_2_token = FALSE,
+       };
+       struct ini_parsing_state state = {
+               .scanner = NULL,
+               .params = NULL,
+               .expecting = INI_EXPECT_MAP_KEY,
+               .arg = arg,
+               .ini_error = ini_error,
+       };
+
+       state.params = bt_value_map_create();
+       if (!state.params) {
+               goto error;
+       }
+
+       state.scanner = g_scanner_new(&scanner_config);
+       if (!state.scanner) {
+               goto error;
+       }
+
+       /* Let the scan begin */
+       g_scanner_input_text(state.scanner, arg, strlen(arg));
+
+       while (true) {
+               int ret = ini_handle_state(&state);
+
+               if (ret < 0) {
+                       /* Error */
+                       goto error;
+               } else if (ret > 0) {
+                       /* Done */
+                       break;
+               }
+       }
+
+       goto end;
+
+error:
+       BT_VALUE_PUT_REF_AND_RESET(state.params);
+
+end:
+       if (state.scanner) {
+               g_scanner_destroy(state.scanner);
+       }
+
+       free(state.last_map_key);
+       return state.params;
+}
+
+/*
+ * Returns the parameters map value object from a command-line
+ * parameter option's argument.
+ *
+ * Return value is owned by the caller.
+ */
+static
+bt_value *bt_value_from_arg(const char *arg)
+{
+       bt_value *params = NULL;
+       GString *ini_error = NULL;
+
+       ini_error = g_string_new(NULL);
+       if (!ini_error) {
+               print_err_oom();
+               goto end;
+       }
+
+       /* Try INI-style parsing */
+       params = bt_value_from_ini(arg, ini_error);
+       if (!params) {
+               printf_err("%s", ini_error->str);
+               goto end;
+       }
+
+end:
+       if (ini_error) {
+               g_string_free(ini_error, TRUE);
+       }
+
+       return params;
+}
+
+/*
+ * Returns the plugin name, component class name, component class type,
+ * and component name from a command-line --component option's argument.
+ * arg must have the following format:
+ *
+ *     [NAME:]TYPE.PLUGIN.CLS
+ *
+ * where NAME is the optional component name, TYPE is either `source`,
+ * `filter`, or `sink`, PLUGIN is the plugin name, and CLS is the
+ * component class name.
+ *
+ * On success, both *plugin and *component are not NULL. *plugin
+ * and *comp_cls are owned by the caller. On success, *name can be NULL
+ * if no component class name was found, and *comp_cls_type is set.
+ */
+static
+void plugin_comp_cls_names(const char *arg, char **name, char **plugin,
+               char **comp_cls, bt_component_class_type *comp_cls_type)
+{
+       const char *at = arg;
+       GString *gs_name = NULL;
+       GString *gs_comp_cls_type = NULL;
+       GString *gs_plugin = NULL;
+       GString *gs_comp_cls = NULL;
+       size_t end_pos;
+
+       BT_ASSERT(arg);
+       BT_ASSERT(plugin);
+       BT_ASSERT(comp_cls);
+       BT_ASSERT(comp_cls_type);
+
+       if (!bt_common_string_is_printable(arg)) {
+               printf_err("Argument contains a non-printable character\n");
+               goto error;
+       }
+
+       /* Parse the component name */
+       gs_name = bt_common_string_until(at, ".:\\", ":", &end_pos);
+       if (!gs_name) {
+               goto error;
+       }
+
+       if (arg[end_pos] == ':') {
+               at += end_pos + 1;
+       } else {
+               /* No name */
+               g_string_assign(gs_name, "");
+       }
+
+       /* Parse the component class type */
+       gs_comp_cls_type = bt_common_string_until(at, ".:\\", ".", &end_pos);
+       if (!gs_comp_cls_type || at[end_pos] == '\0') {
+               printf_err("Missing component class type (`source`, `filter`, or `sink`)\n");
+               goto error;
+       }
+
+       if (strcmp(gs_comp_cls_type->str, "source") == 0 ||
+                       strcmp(gs_comp_cls_type->str, "src") == 0) {
+               *comp_cls_type = BT_COMPONENT_CLASS_TYPE_SOURCE;
+       } else if (strcmp(gs_comp_cls_type->str, "filter") == 0 ||
+                       strcmp(gs_comp_cls_type->str, "flt") == 0) {
+               *comp_cls_type = BT_COMPONENT_CLASS_TYPE_FILTER;
+       } else if (strcmp(gs_comp_cls_type->str, "sink") == 0) {
+               *comp_cls_type = BT_COMPONENT_CLASS_TYPE_SINK;
+       } else {
+               printf_err("Unknown component class type: `%s`\n",
+                       gs_comp_cls_type->str);
+               goto error;
+       }
+
+       at += end_pos + 1;
+
+       /* Parse the plugin name */
+       gs_plugin = bt_common_string_until(at, ".:\\", ".", &end_pos);
+       if (!gs_plugin || gs_plugin->len == 0 || at[end_pos] == '\0') {
+               printf_err("Missing plugin or component class name\n");
+               goto error;
+       }
+
+       at += end_pos + 1;
+
+       /* Parse the component class name */
+       gs_comp_cls = bt_common_string_until(at, ".:\\", ".", &end_pos);
+       if (!gs_comp_cls || gs_comp_cls->len == 0) {
+               printf_err("Missing component class name\n");
+               goto error;
+       }
+
+       if (at[end_pos] != '\0') {
+               /* Found a non-escaped `.` */
+               goto error;
+       }
+
+       if (name) {
+               if (gs_name->len == 0) {
+                       *name = NULL;
+                       g_string_free(gs_name, TRUE);
+               } else {
+                       *name = gs_name->str;
+                       g_string_free(gs_name, FALSE);
+               }
+       } else {
+               g_string_free(gs_name, TRUE);
+       }
+
+       *plugin = gs_plugin->str;
+       *comp_cls = gs_comp_cls->str;
+       g_string_free(gs_plugin, FALSE);
+       g_string_free(gs_comp_cls, FALSE);
+       gs_name = NULL;
+       gs_plugin = NULL;
+       gs_comp_cls = NULL;
+       goto end;
+
+error:
+       if (name) {
+               *name = NULL;
+       }
+
+       *plugin = NULL;
+       *comp_cls = NULL;
+
+end:
+       if (gs_name) {
+               g_string_free(gs_name, TRUE);
+       }
+
+       if (gs_plugin) {
+               g_string_free(gs_plugin, TRUE);
+       }
+
+       if (gs_comp_cls) {
+               g_string_free(gs_comp_cls, TRUE);
+       }
+
+       if (gs_comp_cls_type) {
+               g_string_free(gs_comp_cls_type, TRUE);
+       }
+
+       return;
+}
+
+/*
+ * Prints the Babeltrace version.
+ */
+static
+void print_version(void)
+{
+       if (GIT_VERSION[0] == '\0') {
+               puts("Babeltrace " VERSION);
+       } else {
+               puts("Babeltrace " VERSION  " - " GIT_VERSION);
+       }
+}
+
+/*
+ * Destroys a component configuration.
+ */
+static
+void bt_config_component_destroy(bt_object *obj)
+{
+       struct bt_config_component *bt_config_component =
+               container_of(obj, struct bt_config_component, base);
+
+       if (!obj) {
+               goto end;
+       }
+
+       if (bt_config_component->plugin_name) {
+               g_string_free(bt_config_component->plugin_name, TRUE);
+       }
+
+       if (bt_config_component->comp_cls_name) {
+               g_string_free(bt_config_component->comp_cls_name, TRUE);
+       }
+
+       if (bt_config_component->instance_name) {
+               g_string_free(bt_config_component->instance_name, TRUE);
+       }
+
+       BT_VALUE_PUT_REF_AND_RESET(bt_config_component->params);
+       g_free(bt_config_component);
+
+end:
+       return;
+}
+
+/*
+ * Creates a component configuration using the given plugin name and
+ * component name. `plugin_name` and `comp_cls_name` are copied (belong
+ * to the return value).
+ *
+ * Return value is owned by the caller.
+ */
+static
+struct bt_config_component *bt_config_component_create(
+               bt_component_class_type type,
+               const char *plugin_name, const char *comp_cls_name)
+{
+       struct bt_config_component *cfg_component = NULL;
+
+       cfg_component = g_new0(struct bt_config_component, 1);
+       if (!cfg_component) {
+               print_err_oom();
+               goto error;
+       }
+
+       bt_object_init_shared(&cfg_component->base,
+               bt_config_component_destroy);
+       cfg_component->type = type;
+       cfg_component->plugin_name = g_string_new(plugin_name);
+       if (!cfg_component->plugin_name) {
+               print_err_oom();
+               goto error;
+       }
+
+       cfg_component->comp_cls_name = g_string_new(comp_cls_name);
+       if (!cfg_component->comp_cls_name) {
+               print_err_oom();
+               goto error;
+       }
+
+       cfg_component->instance_name = g_string_new(NULL);
+       if (!cfg_component->instance_name) {
+               print_err_oom();
+               goto error;
+       }
+
+       /* Start with empty parameters */
+       cfg_component->params = bt_value_map_create();
+       if (!cfg_component->params) {
+               print_err_oom();
+               goto error;
+       }
+
+       goto end;
+
+error:
+       BT_OBJECT_PUT_REF_AND_RESET(cfg_component);
+
+end:
+       return cfg_component;
+}
+
+/*
+ * Creates a component configuration from a command-line --component
+ * option's argument.
+ */
+static
+struct bt_config_component *bt_config_component_from_arg(const char *arg)
+{
+       struct bt_config_component *cfg_comp = NULL;
+       char *name = NULL;
+       char *plugin_name = NULL;
+       char *comp_cls_name = NULL;
+       bt_component_class_type type;
+
+       plugin_comp_cls_names(arg, &name, &plugin_name, &comp_cls_name, &type);
+       if (!plugin_name || !comp_cls_name) {
+               goto error;
+       }
+
+       cfg_comp = bt_config_component_create(type, plugin_name, comp_cls_name);
+       if (!cfg_comp) {
+               goto error;
+       }
+
+       if (name) {
+               g_string_assign(cfg_comp->instance_name, name);
+       }
+
+       goto end;
+
+error:
+       BT_OBJECT_PUT_REF_AND_RESET(cfg_comp);
+
+end:
+       g_free(name);
+       g_free(plugin_name);
+       g_free(comp_cls_name);
+       return cfg_comp;
+}
+
+/*
+ * Destroys a configuration.
+ */
+static
+void bt_config_destroy(bt_object *obj)
+{
+       struct bt_config *cfg =
+               container_of(obj, struct bt_config, base);
+
+       if (!obj) {
+               goto end;
+       }
+
+       BT_VALUE_PUT_REF_AND_RESET(cfg->plugin_paths);
+
+       switch (cfg->command) {
+       case BT_CONFIG_COMMAND_RUN:
+               if (cfg->cmd_data.run.sources) {
+                       g_ptr_array_free(cfg->cmd_data.run.sources, TRUE);
+               }
+
+               if (cfg->cmd_data.run.filters) {
+                       g_ptr_array_free(cfg->cmd_data.run.filters, TRUE);
+               }
+
+               if (cfg->cmd_data.run.sinks) {
+                       g_ptr_array_free(cfg->cmd_data.run.sinks, TRUE);
+               }
+
+               if (cfg->cmd_data.run.connections) {
+                       g_ptr_array_free(cfg->cmd_data.run.connections,
+                               TRUE);
+               }
+               break;
+       case BT_CONFIG_COMMAND_LIST_PLUGINS:
+               break;
+       case BT_CONFIG_COMMAND_HELP:
+               BT_OBJECT_PUT_REF_AND_RESET(cfg->cmd_data.help.cfg_component);
+               break;
+       case BT_CONFIG_COMMAND_QUERY:
+               BT_OBJECT_PUT_REF_AND_RESET(cfg->cmd_data.query.cfg_component);
+
+               if (cfg->cmd_data.query.object) {
+                       g_string_free(cfg->cmd_data.query.object, TRUE);
+               }
+               break;
+       case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
+               if (cfg->cmd_data.print_ctf_metadata.path) {
+                       g_string_free(cfg->cmd_data.print_ctf_metadata.path,
+                               TRUE);
+                       g_string_free(
+                               cfg->cmd_data.print_ctf_metadata.output_path,
+                               TRUE);
+               }
+               break;
+       case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
+               if (cfg->cmd_data.print_lttng_live_sessions.url) {
+                       g_string_free(
+                               cfg->cmd_data.print_lttng_live_sessions.url,
+                               TRUE);
+                       g_string_free(
+                               cfg->cmd_data.print_lttng_live_sessions.output_path,
+                               TRUE);
+               }
+               break;
+       default:
+               abort();
+       }
+
+       g_free(cfg);
+
+end:
+       return;
+}
+
+static
+void destroy_glist_of_gstring(GList *list)
+{
+       GList *at;
+
+       if (!list) {
+               return;
+       }
+
+       for (at = list; at != NULL; at = g_list_next(at)) {
+               g_string_free(at->data, TRUE);
+       }
+
+       g_list_free(list);
+}
+
+/*
+ * Creates a simple lexical scanner for parsing comma-delimited names
+ * and fields.
+ *
+ * Return value is owned by the caller.
+ */
+static
+GScanner *create_csv_identifiers_scanner(void)
+{
+       GScanner *scanner;
+       GScannerConfig scanner_config = {
+               .cset_skip_characters = " \t\n",
+               .cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "_",
+               .cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z ":_-",
+               .case_sensitive = TRUE,
+               .cpair_comment_single = NULL,
+               .skip_comment_multi = TRUE,
+               .skip_comment_single = TRUE,
+               .scan_comment_multi = FALSE,
+               .scan_identifier = TRUE,
+               .scan_identifier_1char = TRUE,
+               .scan_identifier_NULL = FALSE,
+               .scan_symbols = FALSE,
+               .symbol_2_token = FALSE,
+               .scope_0_fallback = FALSE,
+               .scan_binary = FALSE,
+               .scan_octal = FALSE,
+               .scan_float = FALSE,
+               .scan_hex = FALSE,
+               .scan_hex_dollar = FALSE,
+               .numbers_2_int = FALSE,
+               .int_2_float = FALSE,
+               .store_int64 = FALSE,
+               .scan_string_sq = FALSE,
+               .scan_string_dq = FALSE,
+               .identifier_2_string = FALSE,
+               .char_2_token = TRUE,
+       };
+
+       scanner = g_scanner_new(&scanner_config);
+       if (!scanner) {
+               print_err_oom();
+       }
+
+       return scanner;
+}
+
+/*
+ * Converts a comma-delimited list of known names (--names option) to
+ * an array value object containing those names as string value objects.
+ *
+ * Return value is owned by the caller.
+ */
+static
+bt_value *names_from_arg(const char *arg)
+{
+       GScanner *scanner = NULL;
+       bt_value *names = NULL;
+       bool found_all = false, found_none = false, found_item = false;
+
+       names = bt_value_array_create();
+       if (!names) {
+               print_err_oom();
+               goto error;
+       }
+
+       scanner = create_csv_identifiers_scanner();
+       if (!scanner) {
+               goto error;
+       }
+
+       g_scanner_input_text(scanner, arg, strlen(arg));
+
+       while (true) {
+               GTokenType token_type = g_scanner_get_next_token(scanner);
+
+               switch (token_type) {
+               case G_TOKEN_IDENTIFIER:
+               {
+                       const char *identifier = scanner->value.v_identifier;
+
+                       if (!strcmp(identifier, "payload") ||
+                                       !strcmp(identifier, "args") ||
+                                       !strcmp(identifier, "arg")) {
+                               found_item = true;
+                               if (bt_value_array_append_string_element(names,
+                                               "payload")) {
+                                       goto error;
+                               }
+                       } else if (!strcmp(identifier, "context") ||
+                                       !strcmp(identifier, "ctx")) {
+                               found_item = true;
+                               if (bt_value_array_append_string_element(names,
+                                               "context")) {
+                                       goto error;
+                               }
+                       } else if (!strcmp(identifier, "scope") ||
+                                       !strcmp(identifier, "header")) {
+                               found_item = true;
+                               if (bt_value_array_append_string_element(names,
+                                               identifier)) {
+                                       goto error;
+                               }
+                       } else if (!strcmp(identifier, "all")) {
+                               found_all = true;
+                               if (bt_value_array_append_string_element(names,
+                                               identifier)) {
+                                       goto error;
+                               }
+                       } else if (!strcmp(identifier, "none")) {
+                               found_none = true;
+                               if (bt_value_array_append_string_element(names,
+                                               identifier)) {
+                                       goto error;
+                               }
+                       } else {
+                               printf_err("Unknown name: `%s`\n",
+                                       identifier);
+                               goto error;
+                       }
+                       break;
+               }
+               case G_TOKEN_COMMA:
+                       continue;
+               case G_TOKEN_EOF:
+                       goto end;
+               default:
+                       goto error;
+               }
+       }
+
+end:
+       if (found_none && found_all) {
+               printf_err("Only either `all` or `none` can be specified in the list given to the --names option, but not both.\n");
+               goto error;
+       }
+       /*
+        * Legacy behavior is to clear the defaults (show none) when at
+        * least one item is specified.
+        */
+       if (found_item && !found_none && !found_all) {
+               if (bt_value_array_append_string_element(names, "none")) {
+                       goto error;
+               }
+       }
+       if (scanner) {
+               g_scanner_destroy(scanner);
+       }
+       return names;
+
+error:
+       BT_VALUE_PUT_REF_AND_RESET(names);
+       if (scanner) {
+               g_scanner_destroy(scanner);
+       }
+       return names;
+}
+
+/*
+ * Converts a comma-delimited list of known fields (--fields option) to
+ * an array value object containing those fields as string
+ * value objects.
+ *
+ * Return value is owned by the caller.
+ */
+static
+bt_value *fields_from_arg(const char *arg)
+{
+       GScanner *scanner = NULL;
+       bt_value *fields;
+
+       fields = bt_value_array_create();
+       if (!fields) {
+               print_err_oom();
+               goto error;
+       }
+
+       scanner = create_csv_identifiers_scanner();
+       if (!scanner) {
+               goto error;
+       }
+
+       g_scanner_input_text(scanner, arg, strlen(arg));
+
+       while (true) {
+               GTokenType token_type = g_scanner_get_next_token(scanner);
+
+               switch (token_type) {
+               case G_TOKEN_IDENTIFIER:
+               {
+                       const char *identifier = scanner->value.v_identifier;
+
+                       if (!strcmp(identifier, "trace") ||
+                                       !strcmp(identifier, "trace:hostname") ||
+                                       !strcmp(identifier, "trace:domain") ||
+                                       !strcmp(identifier, "trace:procname") ||
+                                       !strcmp(identifier, "trace:vpid") ||
+                                       !strcmp(identifier, "loglevel") ||
+                                       !strcmp(identifier, "emf") ||
+                                       !strcmp(identifier, "callsite") ||
+                                       !strcmp(identifier, "all")) {
+                               if (bt_value_array_append_string_element(fields,
+                                               identifier)) {
+                                       goto error;
+                               }
+                       } else {
+                               printf_err("Unknown field: `%s`\n",
+                                       identifier);
+                               goto error;
+                       }
+                       break;
+               }
+               case G_TOKEN_COMMA:
+                       continue;
+               case G_TOKEN_EOF:
+                       goto end;
+               default:
+                       goto error;
+               }
+       }
+
+       goto end;
+
+error:
+       BT_VALUE_PUT_REF_AND_RESET(fields);
+
+end:
+       if (scanner) {
+               g_scanner_destroy(scanner);
+       }
+       return fields;
+}
+
+static
+void append_param_arg(GString *params_arg, const char *key, const char *value)
+{
+       BT_ASSERT(params_arg);
+       BT_ASSERT(key);
+       BT_ASSERT(value);
+
+       if (params_arg->len != 0) {
+               g_string_append_c(params_arg, ',');
+       }
+
+       g_string_append(params_arg, key);
+       g_string_append_c(params_arg, '=');
+       g_string_append(params_arg, value);
+}
+
+/*
+ * Inserts the equivalent "prefix-NAME=yes" strings into params_arg
+ * where the names are in names_array.
+ */
+static
+int insert_flat_params_from_array(GString *params_arg,
+               const bt_value *names_array, const char *prefix)
+{
+       int ret = 0;
+       int i;
+       GString *tmpstr = NULL, *default_value = NULL;
+       bool default_set = false, non_default_set = false;
+
+       /*
+        * names_array may be NULL if no CLI options were specified to
+        * trigger its creation.
+        */
+       if (!names_array) {
+               goto end;
+       }
+
+       tmpstr = g_string_new(NULL);
+       if (!tmpstr) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+       default_value = g_string_new(NULL);
+       if (!default_value) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+       for (i = 0; i < bt_value_array_get_size(names_array); i++) {
+               const bt_value *str_obj =
+                       bt_value_array_borrow_element_by_index_const(names_array,
+                                                                    i);
+               const char *suffix;
+               bool is_default = false;
+
+               if (!str_obj) {
+                       printf_err("Unexpected error\n");
+                       ret = -1;
+                       goto end;
+               }
+
+               suffix = bt_value_string_get(str_obj);
+
+               g_string_assign(tmpstr, prefix);
+               g_string_append(tmpstr, "-");
+
+               /* Special-case for "all" and "none". */
+               if (!strcmp(suffix, "all")) {
+                       is_default = true;
+                       g_string_assign(default_value, "show");
+               } else if (!strcmp(suffix, "none")) {
+                       is_default = true;
+                       g_string_assign(default_value, "hide");
+               }
+               if (is_default) {
+                       default_set = true;
+                       g_string_append(tmpstr, "default");
+                       append_param_arg(params_arg, tmpstr->str,
+                               default_value->str);
+               } else {
+                       non_default_set = true;
+                       g_string_append(tmpstr, suffix);
+                       append_param_arg(params_arg, tmpstr->str, "yes");
+               }
+       }
+
+       /* Implicit field-default=hide if any non-default option is set. */
+       if (non_default_set && !default_set) {
+               g_string_assign(tmpstr, prefix);
+               g_string_append(tmpstr, "-default");
+               g_string_assign(default_value, "hide");
+               append_param_arg(params_arg, tmpstr->str, default_value->str);
+       }
+
+end:
+       if (default_value) {
+               g_string_free(default_value, TRUE);
+       }
+
+       if (tmpstr) {
+               g_string_free(tmpstr, TRUE);
+       }
+
+       return ret;
+}
+
+/* popt options */
+enum {
+       OPT_NONE = 0,
+       OPT_BASE_PARAMS,
+       OPT_BEGIN,
+       OPT_CLOCK_CYCLES,
+       OPT_CLOCK_DATE,
+       OPT_CLOCK_FORCE_CORRELATE,
+       OPT_CLOCK_GMT,
+       OPT_CLOCK_OFFSET,
+       OPT_CLOCK_OFFSET_NS,
+       OPT_CLOCK_SECONDS,
+       OPT_COLOR,
+       OPT_COMPONENT,
+       OPT_CONNECT,
+       OPT_DEBUG,
+       OPT_DEBUG_INFO,
+       OPT_DEBUG_INFO_DIR,
+       OPT_DEBUG_INFO_FULL_PATH,
+       OPT_DEBUG_INFO_TARGET_PREFIX,
+       OPT_END,
+       OPT_FIELDS,
+       OPT_HELP,
+       OPT_INPUT_FORMAT,
+       OPT_LIST,
+       OPT_NAME,
+       OPT_NAMES,
+       OPT_NO_DELTA,
+       OPT_OMIT_HOME_PLUGIN_PATH,
+       OPT_OMIT_SYSTEM_PLUGIN_PATH,
+       OPT_OUTPUT,
+       OPT_OUTPUT_FORMAT,
+       OPT_PARAMS,
+       OPT_PATH,
+       OPT_PLUGIN_PATH,
+       OPT_RESET_BASE_PARAMS,
+       OPT_RETRY_DURATION,
+       OPT_RUN_ARGS,
+       OPT_RUN_ARGS_0,
+       OPT_STREAM_INTERSECTION,
+       OPT_TIMERANGE,
+       OPT_URL,
+       OPT_VERBOSE,
+};
+
+enum bt_config_component_dest {
+       BT_CONFIG_COMPONENT_DEST_UNKNOWN = -1,
+       BT_CONFIG_COMPONENT_DEST_SOURCE,
+       BT_CONFIG_COMPONENT_DEST_FILTER,
+       BT_CONFIG_COMPONENT_DEST_SINK,
+};
+
+/*
+ * Adds a configuration component to the appropriate configuration
+ * array depending on the destination.
+ */
+static
+void add_run_cfg_comp(struct bt_config *cfg,
+               struct bt_config_component *cfg_comp,
+               enum bt_config_component_dest dest)
+{
+       bt_object_get_ref(cfg_comp);
+
+       switch (dest) {
+       case BT_CONFIG_COMPONENT_DEST_SOURCE:
+               g_ptr_array_add(cfg->cmd_data.run.sources, cfg_comp);
+               break;
+       case BT_CONFIG_COMPONENT_DEST_FILTER:
+               g_ptr_array_add(cfg->cmd_data.run.filters, cfg_comp);
+               break;
+       case BT_CONFIG_COMPONENT_DEST_SINK:
+               g_ptr_array_add(cfg->cmd_data.run.sinks, cfg_comp);
+               break;
+       default:
+               abort();
+       }
+}
+
+static
+int add_run_cfg_comp_check_name(struct bt_config *cfg,
+               struct bt_config_component *cfg_comp,
+               enum bt_config_component_dest dest,
+               bt_value *instance_names)
+{
+       int ret = 0;
+
+       if (cfg_comp->instance_name->len == 0) {
+               printf_err("Found an unnamed component\n");
+               ret = -1;
+               goto end;
+       }
+
+       if (bt_value_map_has_entry(instance_names,
+                                  cfg_comp->instance_name->str)) {
+               printf_err("Duplicate component instance name:\n    %s\n",
+                       cfg_comp->instance_name->str);
+               ret = -1;
+               goto end;
+       }
+
+       if (bt_value_map_insert_entry(instance_names,
+                       cfg_comp->instance_name->str, bt_value_null)) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+       add_run_cfg_comp(cfg, cfg_comp, dest);
+
+end:
+       return ret;
+}
+
+static
+int append_env_var_plugin_paths(bt_value *plugin_paths)
+{
+       int ret = 0;
+       const char *envvar;
+
+       if (bt_common_is_setuid_setgid()) {
+               BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
+               goto end;
+       }
+
+       envvar = getenv("BABELTRACE_PLUGIN_PATH");
+       if (!envvar) {
+               goto end;
+       }
+
+       ret = bt_config_append_plugin_paths(plugin_paths, envvar);
+
+end:
+       if (ret) {
+               printf_err("Cannot append plugin paths from BABELTRACE_PLUGIN_PATH\n");
+       }
+
+       return ret;
+}
+
+static
+int append_home_and_system_plugin_paths(bt_value *plugin_paths,
+               bool omit_system_plugin_path, bool omit_home_plugin_path)
+{
+       int ret;
+
+       if (!omit_home_plugin_path) {
+               if (bt_common_is_setuid_setgid()) {
+                       BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
+               } else {
+                       char *home_plugin_dir =
+                               bt_common_get_home_plugin_path();
+
+                       if (home_plugin_dir) {
+                               ret = bt_config_append_plugin_paths(
+                                       plugin_paths, home_plugin_dir);
+                               free(home_plugin_dir);
+
+                               if (ret) {
+                                       printf_err("Invalid home plugin path\n");
+                                       goto error;
+                               }
+                       }
+               }
+       }
+
+       if (!omit_system_plugin_path) {
+               if (bt_config_append_plugin_paths(plugin_paths,
+                               bt_common_get_system_plugin_path())) {
+                       printf_err("Invalid system plugin path\n");
+                       goto error;
+               }
+       }
+       return 0;
+error:
+       printf_err("Cannot append home and system plugin paths\n");
+       return -1;
+}
+
+static
+int append_home_and_system_plugin_paths_cfg(struct bt_config *cfg)
+{
+       return append_home_and_system_plugin_paths(cfg->plugin_paths,
+               cfg->omit_system_plugin_path, cfg->omit_home_plugin_path);
+}
+
+static
+struct bt_config *bt_config_base_create(enum bt_config_command command,
+               const bt_value *initial_plugin_paths,
+               bool needs_plugins)
+{
+       struct bt_config *cfg;
+
+       /* Create config */
+       cfg = g_new0(struct bt_config, 1);
+       if (!cfg) {
+               print_err_oom();
+               goto error;
+       }
+
+       bt_object_init_shared(&cfg->base, bt_config_destroy);
+       cfg->command = command;
+       cfg->command_needs_plugins = needs_plugins;
+
+       if (initial_plugin_paths) {
+               bt_value *initial_plugin_paths_copy;
+
+               (void) bt_value_copy(initial_plugin_paths,
+                       &initial_plugin_paths_copy);
+               cfg->plugin_paths = initial_plugin_paths_copy;
+       } else {
+               cfg->plugin_paths = bt_value_array_create();
+               if (!cfg->plugin_paths) {
+                       print_err_oom();
+                       goto error;
+               }
+       }
+
+       goto end;
+
+error:
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       return cfg;
+}
+
+static
+struct bt_config *bt_config_run_create(
+               const bt_value *initial_plugin_paths)
+{
+       struct bt_config *cfg;
+
+       /* Create config */
+       cfg = bt_config_base_create(BT_CONFIG_COMMAND_RUN,
+               initial_plugin_paths, true);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->cmd_data.run.sources = g_ptr_array_new_with_free_func(
+               (GDestroyNotify) bt_object_put_ref);
+       if (!cfg->cmd_data.run.sources) {
+               print_err_oom();
+               goto error;
+       }
+
+       cfg->cmd_data.run.filters = g_ptr_array_new_with_free_func(
+               (GDestroyNotify) bt_object_put_ref);
+       if (!cfg->cmd_data.run.filters) {
+               print_err_oom();
+               goto error;
+       }
+
+       cfg->cmd_data.run.sinks = g_ptr_array_new_with_free_func(
+               (GDestroyNotify) bt_object_put_ref);
+       if (!cfg->cmd_data.run.sinks) {
+               print_err_oom();
+               goto error;
+       }
+
+       cfg->cmd_data.run.connections = g_ptr_array_new_with_free_func(
+               (GDestroyNotify) bt_config_connection_destroy);
+       if (!cfg->cmd_data.run.connections) {
+               print_err_oom();
+               goto error;
+       }
+
+       goto end;
+
+error:
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       return cfg;
+}
+
+static
+struct bt_config *bt_config_list_plugins_create(
+               const bt_value *initial_plugin_paths)
+{
+       struct bt_config *cfg;
+
+       /* Create config */
+       cfg = bt_config_base_create(BT_CONFIG_COMMAND_LIST_PLUGINS,
+               initial_plugin_paths, true);
+       if (!cfg) {
+               goto error;
+       }
+
+       goto end;
+
+error:
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       return cfg;
+}
+
+static
+struct bt_config *bt_config_help_create(
+               const bt_value *initial_plugin_paths)
+{
+       struct bt_config *cfg;
+
+       /* Create config */
+       cfg = bt_config_base_create(BT_CONFIG_COMMAND_HELP,
+               initial_plugin_paths, true);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->cmd_data.help.cfg_component =
+               bt_config_component_create(-1, NULL, NULL);
+       if (!cfg->cmd_data.help.cfg_component) {
+               goto error;
+       }
+
+       goto end;
+
+error:
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       return cfg;
+}
+
+static
+struct bt_config *bt_config_query_create(
+               const bt_value *initial_plugin_paths)
+{
+       struct bt_config *cfg;
+
+       /* Create config */
+       cfg = bt_config_base_create(BT_CONFIG_COMMAND_QUERY,
+               initial_plugin_paths, true);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->cmd_data.query.object = g_string_new(NULL);
+       if (!cfg->cmd_data.query.object) {
+               print_err_oom();
+               goto error;
+       }
+
+       goto end;
+
+error:
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       return cfg;
+}
+
+static
+struct bt_config *bt_config_print_ctf_metadata_create(
+               const bt_value *initial_plugin_paths)
+{
+       struct bt_config *cfg;
+
+       /* Create config */
+       cfg = bt_config_base_create(BT_CONFIG_COMMAND_PRINT_CTF_METADATA,
+               initial_plugin_paths, true);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->cmd_data.print_ctf_metadata.path = g_string_new(NULL);
+       if (!cfg->cmd_data.print_ctf_metadata.path) {
+               print_err_oom();
+               goto error;
+       }
+
+       cfg->cmd_data.print_ctf_metadata.output_path = g_string_new(NULL);
+       if (!cfg->cmd_data.print_ctf_metadata.output_path) {
+               print_err_oom();
+               goto error;
+       }
+
+       goto end;
+
+error:
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       return cfg;
+}
+
+static
+struct bt_config *bt_config_print_lttng_live_sessions_create(
+               const bt_value *initial_plugin_paths)
+{
+       struct bt_config *cfg;
+
+       /* Create config */
+       cfg = bt_config_base_create(BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS,
+               initial_plugin_paths, true);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->cmd_data.print_lttng_live_sessions.url = g_string_new(NULL);
+       if (!cfg->cmd_data.print_lttng_live_sessions.url) {
+               print_err_oom();
+               goto error;
+       }
+
+       cfg->cmd_data.print_lttng_live_sessions.output_path =
+               g_string_new(NULL);
+       if (!cfg->cmd_data.print_lttng_live_sessions.output_path) {
+               print_err_oom();
+               goto error;
+       }
+
+       goto end;
+
+error:
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       return cfg;
+}
+
+static
+int bt_config_append_plugin_paths_check_setuid_setgid(
+               bt_value *plugin_paths, const char *arg)
+{
+       int ret = 0;
+
+       if (bt_common_is_setuid_setgid()) {
+               BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
+               goto end;
+       }
+
+       if (bt_config_append_plugin_paths(plugin_paths, arg)) {
+               printf_err("Invalid --plugin-path option's argument:\n    %s\n",
+                       arg);
+               ret = -1;
+               goto end;
+       }
+
+end:
+       return ret;
+}
+
+/*
+ * Prints the expected format for a --params option.
+ */
+static
+void print_expected_params_format(FILE *fp)
+{
+       fprintf(fp, "Expected format of PARAMS\n");
+       fprintf(fp, "-------------------------\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "    PARAM=VALUE[,PARAM=VALUE]...\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "The parameter string is a comma-separated list of PARAM=VALUE assignments,\n");
+       fprintf(fp, "where PARAM is the parameter name (C identifier plus the [:.-] characters),\n");
+       fprintf(fp, "and VALUE can be one of:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "* `null`, `nul`, `NULL`: null value (no backticks).\n");
+       fprintf(fp, "* `true`, `TRUE`, `yes`, `YES`: true boolean value (no backticks).\n");
+       fprintf(fp, "* `false`, `FALSE`, `no`, `NO`: false boolean value (no backticks).\n");
+       fprintf(fp, "* Binary (`0b` prefix), octal (`0` prefix), decimal, or hexadecimal\n");
+       fprintf(fp, "  (`0x` prefix) unsigned (with `+` prefix) or signed 64-bit integer.\n");
+       fprintf(fp, "* Double precision floating point number (scientific notation is accepted).\n");
+       fprintf(fp, "* Unquoted string with no special characters, and not matching any of\n");
+       fprintf(fp, "  the null and boolean value symbols above.\n");
+       fprintf(fp, "* Double-quoted string (accepts escape characters).\n");
+       fprintf(fp, "* Array, formatted as an opening `[`, a list of comma-separated values\n");
+       fprintf(fp, "  (as described by the current list) and a closing `]`.\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "You can put whitespaces allowed around individual `=` and `,` symbols.\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Example:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "    many=null, fresh=yes, condition=false, squirrel=-782329,\n");
+       fprintf(fp, "    play=+23, observe=3.14, simple=beef, needs-quotes=\"some string\",\n");
+       fprintf(fp, "    escape.chars-are:allowed=\"this is a \\\" double quote\",\n");
+       fprintf(fp, "    things=[1, \"2\", 3]\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run\n");
+       fprintf(fp, "babeltrace2 from a shell.\n");
+}
+
+
+/*
+ * Prints the help command usage.
+ */
+static
+void print_help_usage(FILE *fp)
+{
+       fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] help [OPTIONS] PLUGIN\n");
+       fprintf(fp, "       babeltrace2 [GENERAL OPTIONS] help [OPTIONS] TYPE.PLUGIN.CLS\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "      --omit-home-plugin-path       Omit home plugins from plugin search path\n");
+       fprintf(fp, "                                    (~/.local/lib/babeltrace/plugins)\n");
+       fprintf(fp, "      --omit-system-plugin-path     Omit system plugins from plugin search path\n");
+       fprintf(fp, "      --plugin-path=PATH[:PATH]...  Add PATH to the list of paths from which\n");
+       fprintf(fp, "                                    dynamic plugins can be loaded\n");
+       fprintf(fp, "  -h, --help                        Show this help and quit\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "See `babeltrace2 --help` for the list of general options.\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Use `babeltrace2 list-plugins` to show the list of available plugins.\n");
+}
+
+static
+struct poptOption help_long_options[] = {
+       /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+       { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+       { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
+       { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
+       { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
+       { NULL, 0, '\0', NULL, 0, NULL, NULL },
+};
+
+/*
+ * Creates a Babeltrace config object from the arguments of a help
+ * command.
+ *
+ * *retcode is set to the appropriate exit code to use.
+ */
+static
+struct bt_config *bt_config_help_from_args(int argc, const char *argv[],
+               int *retcode, bool force_omit_system_plugin_path,
+               bool force_omit_home_plugin_path,
+               const bt_value *initial_plugin_paths)
+{
+       poptContext pc = NULL;
+       char *arg = NULL;
+       int opt;
+       int ret;
+       struct bt_config *cfg = NULL;
+       const char *leftover;
+       char *plugin_name = NULL, *comp_cls_name = NULL;
+
+       *retcode = 0;
+       cfg = bt_config_help_create(initial_plugin_paths);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->omit_system_plugin_path = force_omit_system_plugin_path;
+       cfg->omit_home_plugin_path = force_omit_home_plugin_path;
+       ret = append_env_var_plugin_paths(cfg->plugin_paths);
+       if (ret) {
+               goto error;
+       }
+
+       /* Parse options */
+       pc = poptGetContext(NULL, argc, (const char **) argv,
+               help_long_options, 0);
+       if (!pc) {
+               printf_err("Cannot get popt context\n");
+               goto error;
+       }
+
+       poptReadDefaultConfig(pc, 0);
+
+       while ((opt = poptGetNextOpt(pc)) > 0) {
+               arg = poptGetOptArg(pc);
+
+               switch (opt) {
+               case OPT_PLUGIN_PATH:
+                       if (bt_config_append_plugin_paths_check_setuid_setgid(
+                                       cfg->plugin_paths, arg)) {
+                               goto error;
+                       }
+                       break;
+               case OPT_OMIT_SYSTEM_PLUGIN_PATH:
+                       cfg->omit_system_plugin_path = true;
+                       break;
+               case OPT_OMIT_HOME_PLUGIN_PATH:
+                       cfg->omit_home_plugin_path = true;
+                       break;
+               case OPT_HELP:
+                       print_help_usage(stdout);
+                       *retcode = -1;
+                       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+                       goto end;
+               default:
+                       printf_err("Unknown command-line option specified (option code %d)\n",
+                               opt);
+                       goto error;
+               }
+
+               free(arg);
+               arg = NULL;
+       }
+
+       /* Check for option parsing error */
+       if (opt < -1) {
+               printf_err("While parsing command-line options, at option %s: %s\n",
+                       poptBadOption(pc, 0), poptStrerror(opt));
+               goto error;
+       }
+
+       leftover = poptGetArg(pc);
+       if (leftover) {
+               plugin_comp_cls_names(leftover, NULL,
+                       &plugin_name, &comp_cls_name,
+                       &cfg->cmd_data.help.cfg_component->type);
+               if (plugin_name && comp_cls_name) {
+                       /* Component class help */
+                       g_string_assign(
+                               cfg->cmd_data.help.cfg_component->plugin_name,
+                               plugin_name);
+                       g_string_assign(
+                               cfg->cmd_data.help.cfg_component->comp_cls_name,
+                               comp_cls_name);
+               } else {
+                       /* Fall back to plugin help */
+                       g_string_assign(
+                               cfg->cmd_data.help.cfg_component->plugin_name,
+                               leftover);
+               }
+       } else {
+               print_help_usage(stdout);
+               *retcode = -1;
+               BT_OBJECT_PUT_REF_AND_RESET(cfg);
+               goto end;
+       }
+
+       if (append_home_and_system_plugin_paths_cfg(cfg)) {
+               goto error;
+       }
+
+       goto end;
+
+error:
+       *retcode = 1;
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       g_free(plugin_name);
+       g_free(comp_cls_name);
+
+       if (pc) {
+               poptFreeContext(pc);
+       }
+
+       free(arg);
+       return cfg;
+}
+
+/*
+ * Prints the help command usage.
+ */
+static
+void print_query_usage(FILE *fp)
+{
+       fprintf(fp, "Usage: babeltrace2 [GEN OPTS] query [OPTS] TYPE.PLUGIN.CLS OBJECT\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "      --omit-home-plugin-path       Omit home plugins from plugin search path\n");
+       fprintf(fp, "                                    (~/.local/lib/babeltrace/plugins)\n");
+       fprintf(fp, "      --omit-system-plugin-path     Omit system plugins from plugin search path\n");
+       fprintf(fp, "  -p, --params=PARAMS               Set the query parameters to PARAMS\n");
+       fprintf(fp, "                                    (see the expected format of PARAMS below)\n");
+       fprintf(fp, "      --plugin-path=PATH[:PATH]...  Add PATH to the list of paths from which\n");
+       fprintf(fp, "                                    dynamic plugins can be loaded\n");
+       fprintf(fp, "  -h, --help                        Show this help and quit\n");
+       fprintf(fp, "\n\n");
+       print_expected_params_format(fp);
+}
+
+static
+struct poptOption query_long_options[] = {
+       /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+       { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+       { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
+       { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
+       { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
+       { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
+       { NULL, 0, '\0', NULL, 0, NULL, NULL },
+};
+
+/*
+ * Creates a Babeltrace config object from the arguments of a query
+ * command.
+ *
+ * *retcode is set to the appropriate exit code to use.
+ */
+static
+struct bt_config *bt_config_query_from_args(int argc, const char *argv[],
+               int *retcode, bool force_omit_system_plugin_path,
+               bool force_omit_home_plugin_path,
+               const bt_value *initial_plugin_paths)
+{
+       poptContext pc = NULL;
+       char *arg = NULL;
+       int opt;
+       int ret;
+       struct bt_config *cfg = NULL;
+       const char *leftover;
+       bt_value *params;
+
+       params = bt_value_null;
+       bt_value_get_ref(bt_value_null);
+
+       *retcode = 0;
+       cfg = bt_config_query_create(initial_plugin_paths);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->omit_system_plugin_path = force_omit_system_plugin_path;
+       cfg->omit_home_plugin_path = force_omit_home_plugin_path;
+       ret = append_env_var_plugin_paths(cfg->plugin_paths);
+       if (ret) {
+               goto error;
+       }
+
+       /* Parse options */
+       pc = poptGetContext(NULL, argc, (const char **) argv,
+               query_long_options, 0);
+       if (!pc) {
+               printf_err("Cannot get popt context\n");
+               goto error;
+       }
+
+       poptReadDefaultConfig(pc, 0);
+
+       while ((opt = poptGetNextOpt(pc)) > 0) {
+               arg = poptGetOptArg(pc);
+
+               switch (opt) {
+               case OPT_PLUGIN_PATH:
+                       if (bt_config_append_plugin_paths_check_setuid_setgid(
+                                       cfg->plugin_paths, arg)) {
+                               goto error;
+                       }
+                       break;
+               case OPT_OMIT_SYSTEM_PLUGIN_PATH:
+                       cfg->omit_system_plugin_path = true;
+                       break;
+               case OPT_OMIT_HOME_PLUGIN_PATH:
+                       cfg->omit_home_plugin_path = true;
+                       break;
+               case OPT_PARAMS:
+               {
+                       bt_value_put_ref(params);
+                       params = bt_value_from_arg(arg);
+                       if (!params) {
+                               printf_err("Invalid format for --params option's argument:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+                       break;
+               }
+               case OPT_HELP:
+                       print_query_usage(stdout);
+                       *retcode = -1;
+                       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+                       goto end;
+               default:
+                       printf_err("Unknown command-line option specified (option code %d)\n",
+                               opt);
+                       goto error;
+               }
+
+               free(arg);
+               arg = NULL;
+       }
+
+       /* Check for option parsing error */
+       if (opt < -1) {
+               printf_err("While parsing command-line options, at option %s: %s\n",
+                       poptBadOption(pc, 0), poptStrerror(opt));
+               goto error;
+       }
+
+       /*
+        * We need exactly two leftover arguments which are the
+        * mandatory component class specification and query object.
+        */
+       leftover = poptGetArg(pc);
+       if (leftover) {
+               cfg->cmd_data.query.cfg_component =
+                       bt_config_component_from_arg(leftover);
+               if (!cfg->cmd_data.query.cfg_component) {
+                       printf_err("Invalid format for component class specification:\n    %s\n",
+                               leftover);
+                       goto error;
+               }
+
+               BT_ASSERT(params);
+               BT_OBJECT_MOVE_REF(cfg->cmd_data.query.cfg_component->params,
+                       params);
+       } else {
+               print_query_usage(stdout);
+               *retcode = -1;
+               BT_OBJECT_PUT_REF_AND_RESET(cfg);
+               goto end;
+       }
+
+       leftover = poptGetArg(pc);
+       if (leftover) {
+               if (strlen(leftover) == 0) {
+                       printf_err("Invalid empty object\n");
+                       goto error;
+               }
+
+               g_string_assign(cfg->cmd_data.query.object, leftover);
+       } else {
+               print_query_usage(stdout);
+               *retcode = -1;
+               BT_OBJECT_PUT_REF_AND_RESET(cfg);
+               goto end;
+       }
+
+       leftover = poptGetArg(pc);
+       if (leftover) {
+               printf_err("Unexpected argument: %s\n", leftover);
+               goto error;
+       }
+
+       if (append_home_and_system_plugin_paths_cfg(cfg)) {
+               goto error;
+       }
+
+       goto end;
+
+error:
+       *retcode = 1;
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       if (pc) {
+               poptFreeContext(pc);
+       }
+
+       bt_value_put_ref(params);
+       free(arg);
+       return cfg;
+}
+
+/*
+ * Prints the list-plugins command usage.
+ */
+static
+void print_list_plugins_usage(FILE *fp)
+{
+       fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] list-plugins [OPTIONS]\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "      --omit-home-plugin-path       Omit home plugins from plugin search path\n");
+       fprintf(fp, "                                    (~/.local/lib/babeltrace/plugins)\n");
+       fprintf(fp, "      --omit-system-plugin-path     Omit system plugins from plugin search path\n");
+       fprintf(fp, "      --plugin-path=PATH[:PATH]...  Add PATH to the list of paths from which\n");
+       fprintf(fp, "                                    dynamic plugins can be loaded\n");
+       fprintf(fp, "  -h, --help                        Show this help and quit\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "See `babeltrace2 --help` for the list of general options.\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Use `babeltrace2 help` to get help for a specific plugin or component class.\n");
+}
+
+static
+struct poptOption list_plugins_long_options[] = {
+       /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+       { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+       { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
+       { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
+       { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
+       { NULL, 0, '\0', NULL, 0, NULL, NULL },
+};
+
+/*
+ * Creates a Babeltrace config object from the arguments of a
+ * list-plugins command.
+ *
+ * *retcode is set to the appropriate exit code to use.
+ */
+static
+struct bt_config *bt_config_list_plugins_from_args(int argc, const char *argv[],
+               int *retcode, bool force_omit_system_plugin_path,
+               bool force_omit_home_plugin_path,
+               const bt_value *initial_plugin_paths)
+{
+       poptContext pc = NULL;
+       char *arg = NULL;
+       int opt;
+       int ret;
+       struct bt_config *cfg = NULL;
+       const char *leftover;
+
+       *retcode = 0;
+       cfg = bt_config_list_plugins_create(initial_plugin_paths);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->omit_system_plugin_path = force_omit_system_plugin_path;
+       cfg->omit_home_plugin_path = force_omit_home_plugin_path;
+       ret = append_env_var_plugin_paths(cfg->plugin_paths);
+       if (ret) {
+               goto error;
+       }
+
+       /* Parse options */
+       pc = poptGetContext(NULL, argc, (const char **) argv,
+               list_plugins_long_options, 0);
+       if (!pc) {
+               printf_err("Cannot get popt context\n");
+               goto error;
+       }
+
+       poptReadDefaultConfig(pc, 0);
+
+       while ((opt = poptGetNextOpt(pc)) > 0) {
+               arg = poptGetOptArg(pc);
+
+               switch (opt) {
+               case OPT_PLUGIN_PATH:
+                       if (bt_config_append_plugin_paths_check_setuid_setgid(
+                                       cfg->plugin_paths, arg)) {
+                               goto error;
+                       }
+                       break;
+               case OPT_OMIT_SYSTEM_PLUGIN_PATH:
+                       cfg->omit_system_plugin_path = true;
+                       break;
+               case OPT_OMIT_HOME_PLUGIN_PATH:
+                       cfg->omit_home_plugin_path = true;
+                       break;
+               case OPT_HELP:
+                       print_list_plugins_usage(stdout);
+                       *retcode = -1;
+                       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+                       goto end;
+               default:
+                       printf_err("Unknown command-line option specified (option code %d)\n",
+                               opt);
+                       goto error;
+               }
+
+               free(arg);
+               arg = NULL;
+       }
+
+       /* Check for option parsing error */
+       if (opt < -1) {
+               printf_err("While parsing command-line options, at option %s: %s\n",
+                       poptBadOption(pc, 0), poptStrerror(opt));
+               goto error;
+       }
+
+       leftover = poptGetArg(pc);
+       if (leftover) {
+               printf_err("Unexpected argument: %s\n", leftover);
+               goto error;
+       }
+
+       if (append_home_and_system_plugin_paths_cfg(cfg)) {
+               goto error;
+       }
+
+       goto end;
+
+error:
+       *retcode = 1;
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       if (pc) {
+               poptFreeContext(pc);
+       }
+
+       free(arg);
+       return cfg;
+}
+
+/*
+ * Prints the run command usage.
+ */
+static
+void print_run_usage(FILE *fp)
+{
+       fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] run [OPTIONS]\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "  -b, --base-params=PARAMS          Set PARAMS as the current base parameters\n");
+       fprintf(fp, "                                    for all the following components until\n");
+       fprintf(fp, "                                    --reset-base-params is encountered\n");
+       fprintf(fp, "                                    (see the expected format of PARAMS below)\n");
+       fprintf(fp, "  -c, --component=[NAME:]TYPE.PLUGIN.CLS\n");
+       fprintf(fp, "                                    Instantiate the component class CLS of type\n");
+       fprintf(fp, "                                    TYPE (`source`, `filter`, or `sink`) found\n");
+       fprintf(fp, "                                    in the plugin PLUGIN, add it to the graph,\n");
+       fprintf(fp, "                                    and optionally name it NAME (you can also\n");
+       fprintf(fp, "                                    specify the name with --name)\n");
+       fprintf(fp, "  -x, --connect=CONNECTION          Connect two created components (see the\n");
+       fprintf(fp, "                                    expected format of CONNECTION below)\n");
+       fprintf(fp, "  -n, --name=NAME                   Set the name of the current component\n");
+       fprintf(fp, "                                    to NAME (must be unique amongst all the\n");
+       fprintf(fp, "                                    names of the created components)\n");
+       fprintf(fp, "      --omit-home-plugin-path       Omit home plugins from plugin search path\n");
+       fprintf(fp, "                                    (~/.local/lib/babeltrace/plugins)\n");
+       fprintf(fp, "      --omit-system-plugin-path     Omit system plugins from plugin search path\n");
+       fprintf(fp, "  -p, --params=PARAMS               Add initialization parameters PARAMS to the\n");
+       fprintf(fp, "                                    current component (see the expected format\n");
+       fprintf(fp, "                                    of PARAMS below)\n");
+       fprintf(fp, "      --plugin-path=PATH[:PATH]...  Add PATH to the list of paths from which\n");
+       fprintf(fp, "                                    dynamic plugins can be loaded\n");
+       fprintf(fp, "  -r, --reset-base-params           Reset the current base parameters to an\n");
+       fprintf(fp, "                                    empty map\n");
+       fprintf(fp, "      --retry-duration=DUR          When babeltrace2(1) needs to retry to run\n");
+       fprintf(fp, "                                    the graph later, retry in DUR µs\n");
+       fprintf(fp, "                                    (default: 100000)\n");
+       fprintf(fp, "  -h, --help                        Show this help and quit\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "See `babeltrace2 --help` for the list of general options.\n");
+       fprintf(fp, "\n\n");
+       fprintf(fp, "Expected format of CONNECTION\n");
+       fprintf(fp, "-----------------------------\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "    UPSTREAM[.UPSTREAM-PORT]:DOWNSTREAM[.DOWNSTREAM-PORT]\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "UPSTREAM and DOWNSTREAM are names of the upstream and downstream\n");
+       fprintf(fp, "components to connect together. You must escape the following characters\n\n");
+       fprintf(fp, "with `\\`: `\\`, `.`, and `:`. You can set the name of the current\n");
+       fprintf(fp, "component with the --name option.\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "UPSTREAM-PORT and DOWNSTREAM-PORT are optional globbing patterns to\n");
+       fprintf(fp, "identify the upstream and downstream ports to use for the connection.\n");
+       fprintf(fp, "When the port is not specified, `*` is used.\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "When a component named UPSTREAM has an available port which matches the\n");
+       fprintf(fp, "UPSTREAM-PORT globbing pattern, it is connected to the first port which\n");
+       fprintf(fp, "matches the DOWNSTREAM-PORT globbing pattern of the component named\n");
+       fprintf(fp, "DOWNSTREAM.\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "The only special character in UPSTREAM-PORT and DOWNSTREAM-PORT is `*`\n");
+       fprintf(fp, "which matches anything. You must escape the following characters\n");
+       fprintf(fp, "with `\\`: `\\`, `*`, `?`, `[`, `.`, and `:`.\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "You can connect a source component to a filter or sink component. You\n");
+       fprintf(fp, "can connect a filter component to a sink component.\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Examples:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "    my-src:my-sink\n");
+       fprintf(fp, "    ctf-fs.*stream*:utils-muxer:*\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run\n");
+       fprintf(fp, "babeltrace2 from a shell.\n");
+       fprintf(fp, "\n\n");
+       print_expected_params_format(fp);
+}
+
+/*
+ * Creates a Babeltrace config object from the arguments of a run
+ * command.
+ *
+ * *retcode is set to the appropriate exit code to use.
+ */
+static
+struct bt_config *bt_config_run_from_args(int argc, const char *argv[],
+               int *retcode, bool force_omit_system_plugin_path,
+               bool force_omit_home_plugin_path,
+               const bt_value *initial_plugin_paths)
+{
+       poptContext pc = NULL;
+       char *arg = NULL;
+       struct bt_config_component *cur_cfg_comp = NULL;
+       enum bt_config_component_dest cur_cfg_comp_dest =
+                       BT_CONFIG_COMPONENT_DEST_UNKNOWN;
+       bt_value *cur_base_params = NULL;
+       int opt, ret = 0;
+       struct bt_config *cfg = NULL;
+       bt_value *instance_names = NULL;
+       bt_value *connection_args = NULL;
+       char error_buf[256] = { 0 };
+       long retry_duration = -1;
+       bt_value_status status;
+       struct poptOption run_long_options[] = {
+               { "base-params", 'b', POPT_ARG_STRING, NULL, OPT_BASE_PARAMS, NULL, NULL },
+               { "component", 'c', POPT_ARG_STRING, NULL, OPT_COMPONENT, NULL, NULL },
+               { "connect", 'x', POPT_ARG_STRING, NULL, OPT_CONNECT, NULL, NULL },
+               { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+               { "name", 'n', POPT_ARG_STRING, NULL, OPT_NAME, NULL, NULL },
+               { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
+               { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
+               { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
+               { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
+               { "reset-base-params", 'r', POPT_ARG_NONE, NULL, OPT_RESET_BASE_PARAMS, NULL, NULL },
+               { "retry-duration", '\0', POPT_ARG_LONG, &retry_duration, OPT_RETRY_DURATION, NULL, NULL },
+               { NULL, 0, '\0', NULL, 0, NULL, NULL },
+       };
+
+       *retcode = 0;
+
+       if (argc <= 1) {
+               print_run_usage(stdout);
+               *retcode = -1;
+               goto end;
+       }
+
+       cfg = bt_config_run_create(initial_plugin_paths);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->cmd_data.run.retry_duration_us = 100000;
+       cfg->omit_system_plugin_path = force_omit_system_plugin_path;
+       cfg->omit_home_plugin_path = force_omit_home_plugin_path;
+       cur_base_params = bt_value_map_create();
+       if (!cur_base_params) {
+               print_err_oom();
+               goto error;
+       }
+
+       instance_names = bt_value_map_create();
+       if (!instance_names) {
+               print_err_oom();
+               goto error;
+       }
+
+       connection_args = bt_value_array_create();
+       if (!connection_args) {
+               print_err_oom();
+               goto error;
+       }
+
+       ret = append_env_var_plugin_paths(cfg->plugin_paths);
+       if (ret) {
+               goto error;
+       }
+
+       /* Parse options */
+       pc = poptGetContext(NULL, argc, (const char **) argv,
+               run_long_options, 0);
+       if (!pc) {
+               printf_err("Cannot get popt context\n");
+               goto error;
+       }
+
+       poptReadDefaultConfig(pc, 0);
+
+       while ((opt = poptGetNextOpt(pc)) > 0) {
+               arg = poptGetOptArg(pc);
+
+               switch (opt) {
+               case OPT_PLUGIN_PATH:
+                       if (bt_config_append_plugin_paths_check_setuid_setgid(
+                                       cfg->plugin_paths, arg)) {
+                               goto error;
+                       }
+                       break;
+               case OPT_OMIT_SYSTEM_PLUGIN_PATH:
+                       cfg->omit_system_plugin_path = true;
+                       break;
+               case OPT_OMIT_HOME_PLUGIN_PATH:
+                       cfg->omit_home_plugin_path = true;
+                       break;
+               case OPT_COMPONENT:
+               {
+                       enum bt_config_component_dest new_dest;
+
+                       if (cur_cfg_comp) {
+                               ret = add_run_cfg_comp_check_name(cfg,
+                                       cur_cfg_comp, cur_cfg_comp_dest,
+                                       instance_names);
+                               BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
+                               if (ret) {
+                                       goto error;
+                               }
+                       }
+
+                       cur_cfg_comp = bt_config_component_from_arg(arg);
+                       if (!cur_cfg_comp) {
+                               printf_err("Invalid format for --component option's argument:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       switch (cur_cfg_comp->type) {
+                       case BT_COMPONENT_CLASS_TYPE_SOURCE:
+                               new_dest = BT_CONFIG_COMPONENT_DEST_SOURCE;
+                               break;
+                       case BT_COMPONENT_CLASS_TYPE_FILTER:
+                               new_dest = BT_CONFIG_COMPONENT_DEST_FILTER;
+                               break;
+                       case BT_COMPONENT_CLASS_TYPE_SINK:
+                               new_dest = BT_CONFIG_COMPONENT_DEST_SINK;
+                               break;
+                       default:
+                               abort();
+                       }
+
+                       BT_ASSERT(cur_base_params);
+                       bt_value_put_ref(cur_cfg_comp->params);
+                       status = bt_value_copy(cur_base_params,
+                               &cur_cfg_comp->params);
+                       if (status != BT_VALUE_STATUS_OK) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       cur_cfg_comp_dest = new_dest;
+                       break;
+               }
+               case OPT_PARAMS:
+               {
+                       bt_value *params;
+                       bt_value *params_to_set;
+
+                       if (!cur_cfg_comp) {
+                               printf_err("Cannot add parameters to unavailable component:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       params = bt_value_from_arg(arg);
+                       if (!params) {
+                               printf_err("Invalid format for --params option's argument:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       status = bt_value_map_extend(cur_cfg_comp->params,
+                               params, &params_to_set);
+                       BT_VALUE_PUT_REF_AND_RESET(params);
+                       if (status != BT_VALUE_STATUS_OK) {
+                               printf_err("Cannot extend current component parameters with --params option's argument:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       BT_OBJECT_MOVE_REF(cur_cfg_comp->params, params_to_set);
+                       break;
+               }
+               case OPT_NAME:
+                       if (!cur_cfg_comp) {
+                               printf_err("Cannot set the name of unavailable component:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       g_string_assign(cur_cfg_comp->instance_name, arg);
+                       break;
+               case OPT_BASE_PARAMS:
+               {
+                       bt_value *params =
+                               bt_value_from_arg(arg);
+
+                       if (!params) {
+                               printf_err("Invalid format for --base-params option's argument:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       BT_OBJECT_MOVE_REF(cur_base_params, params);
+                       break;
+               }
+               case OPT_RESET_BASE_PARAMS:
+                       BT_VALUE_PUT_REF_AND_RESET(cur_base_params);
+                       cur_base_params = bt_value_map_create();
+                       if (!cur_base_params) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       break;
+               case OPT_CONNECT:
+                       if (bt_value_array_append_string_element(
+                                       connection_args, arg)) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       break;
+               case OPT_RETRY_DURATION:
+                       if (retry_duration < 0) {
+                               printf_err("--retry-duration option's argument must be positive or 0: %ld\n",
+                                       retry_duration);
+                               goto error;
+                       }
+
+                       cfg->cmd_data.run.retry_duration_us =
+                               (uint64_t) retry_duration;
+                       break;
+               case OPT_HELP:
+                       print_run_usage(stdout);
+                       *retcode = -1;
+                       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+                       goto end;
+               default:
+                       printf_err("Unknown command-line option specified (option code %d)\n",
+                               opt);
+                       goto error;
+               }
+
+               free(arg);
+               arg = NULL;
+       }
+
+       /* Check for option parsing error */
+       if (opt < -1) {
+               printf_err("While parsing command-line options, at option %s: %s\n",
+                       poptBadOption(pc, 0), poptStrerror(opt));
+               goto error;
+       }
+
+       /* This command does not accept leftover arguments */
+       if (poptPeekArg(pc)) {
+               printf_err("Unexpected argument: %s\n", poptPeekArg(pc));
+               goto error;
+       }
+
+       /* Add current component */
+       if (cur_cfg_comp) {
+               ret = add_run_cfg_comp_check_name(cfg, cur_cfg_comp,
+                       cur_cfg_comp_dest, instance_names);
+               BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
+               if (ret) {
+                       goto error;
+               }
+       }
+
+       if (cfg->cmd_data.run.sources->len == 0) {
+               printf_err("Incomplete graph: no source component\n");
+               goto error;
+       }
+
+       if (cfg->cmd_data.run.sinks->len == 0) {
+               printf_err("Incomplete graph: no sink component\n");
+               goto error;
+       }
+
+       if (append_home_and_system_plugin_paths_cfg(cfg)) {
+               goto error;
+       }
+
+       ret = bt_config_cli_args_create_connections(cfg,
+               connection_args,
+               error_buf, 256);
+       if (ret) {
+               printf_err("Cannot creation connections:\n%s", error_buf);
+               goto error;
+       }
+
+       goto end;
+
+error:
+       *retcode = 1;
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       if (pc) {
+               poptFreeContext(pc);
+       }
+
+       free(arg);
+       BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
+       BT_VALUE_PUT_REF_AND_RESET(cur_base_params);
+       BT_VALUE_PUT_REF_AND_RESET(instance_names);
+       BT_VALUE_PUT_REF_AND_RESET(connection_args);
+       return cfg;
+}
+
+static
+struct bt_config *bt_config_run_from_args_array(const bt_value *run_args,
+               int *retcode, bool force_omit_system_plugin_path,
+               bool force_omit_home_plugin_path,
+               const bt_value *initial_plugin_paths)
+{
+       struct bt_config *cfg = NULL;
+       const char **argv;
+       int64_t i, len;
+       const size_t argc = bt_value_array_get_size(run_args) + 1;
+
+       argv = calloc(argc, sizeof(*argv));
+       if (!argv) {
+               print_err_oom();
+               goto end;
+       }
+
+       argv[0] = "run";
+
+       len = bt_value_array_get_size(run_args);
+       if (len < 0) {
+               printf_err("Invalid executable arguments\n");
+               goto end;
+       }
+       for (i = 0; i < len; i++) {
+               const bt_value *arg_value =
+                       bt_value_array_borrow_element_by_index_const(run_args,
+                                                                    i);
+               const char *arg;
+
+               BT_ASSERT(arg_value);
+               arg = bt_value_string_get(arg_value);
+               BT_ASSERT(arg);
+               argv[i + 1] = arg;
+       }
+
+       cfg = bt_config_run_from_args(argc, argv, retcode,
+               force_omit_system_plugin_path, force_omit_home_plugin_path,
+               initial_plugin_paths);
+
+end:
+       free(argv);
+       return cfg;
+}
+
+/*
+ * Prints the convert command usage.
+ */
+static
+void print_convert_usage(FILE *fp)
+{
+       fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] [convert] [OPTIONS] [PATH/URL]\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "  -c, --component=[NAME:]TYPE.PLUGIN.CLS\n");
+       fprintf(fp, "                                    Instantiate the component class CLS of type\n");
+       fprintf(fp, "                                    TYPE (`source`, `filter`, or `sink`) found\n");
+       fprintf(fp, "                                    in the plugin PLUGIN, add it to the\n");
+       fprintf(fp, "                                    conversion graph, and optionally name it\n");
+       fprintf(fp, "                                    NAME (you can also specify the name with\n");
+       fprintf(fp, "                                    --name)\n");
+       fprintf(fp, "      --name=NAME                   Set the name of the current component\n");
+       fprintf(fp, "                                    to NAME (must be unique amongst all the\n");
+       fprintf(fp, "                                    names of the created components)\n");
+       fprintf(fp, "      --omit-home-plugin-path       Omit home plugins from plugin search path\n");
+       fprintf(fp, "                                    (~/.local/lib/babeltrace/plugins)\n");
+       fprintf(fp, "      --omit-system-plugin-path     Omit system plugins from plugin search path\n");
+       fprintf(fp, "  -p, --params=PARAMS               Add initialization parameters PARAMS to the\n");
+       fprintf(fp, "                                    current component (see the expected format\n");
+       fprintf(fp, "                                    of PARAMS below)\n");
+       fprintf(fp, "  -P, --path=PATH                   Set the `path` string parameter of the\n");
+       fprintf(fp, "                                    current component to PATH\n");
+       fprintf(fp, "      --plugin-path=PATH[:PATH]...  Add PATH to the list of paths from which\n");
+       fprintf(fp, "      --retry-duration=DUR          When babeltrace2(1) needs to retry to run\n");
+       fprintf(fp, "                                    the graph later, retry in DUR µs\n");
+       fprintf(fp, "                                    (default: 100000)\n");
+       fprintf(fp, "                                    dynamic plugins can be loaded\n");
+       fprintf(fp, "      --run-args                    Print the equivalent arguments for the\n");
+       fprintf(fp, "                                    `run` command to the standard output,\n");
+       fprintf(fp, "                                    formatted for a shell, and quit\n");
+       fprintf(fp, "      --run-args-0                  Print the equivalent arguments for the\n");
+       fprintf(fp, "                                    `run` command to the standard output,\n");
+       fprintf(fp, "                                    formatted for `xargs -0`, and quit\n");
+       fprintf(fp, "      --stream-intersection         Only process events when all streams\n");
+       fprintf(fp, "                                    are active\n");
+       fprintf(fp, "  -u, --url=URL                     Set the `url` string parameter of the\n");
+       fprintf(fp, "                                    current component to URL\n");
+       fprintf(fp, "  -h, --help                        Show this help and quit\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Implicit `source.ctf.fs` component options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "      --clock-offset=SEC            Set clock offset to SEC seconds\n");
+       fprintf(fp, "      --clock-offset-ns=NS          Set clock offset to NS ns\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Implicit `sink.text.pretty` component options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "      --clock-cycles                Print timestamps in clock cycles\n");
+       fprintf(fp, "      --clock-date                  Print timestamp dates\n");
+       fprintf(fp, "      --clock-gmt                   Print and parse timestamps in the GMT\n");
+       fprintf(fp, "                                    time zone instead of the local time zone\n");
+       fprintf(fp, "      --clock-seconds               Print the timestamps as `SEC.NS` instead\n");
+       fprintf(fp, "                                    of `hh:mm:ss.nnnnnnnnn`\n");
+       fprintf(fp, "      --color=(never | auto | always)\n");
+       fprintf(fp, "                                    Never, automatically, or always emit\n");
+       fprintf(fp, "                                    console color codes\n");
+       fprintf(fp, "  -f, --fields=FIELD[,FIELD]...     Print additional fields; FIELD can be:\n");
+       fprintf(fp, "                                      `all`, `trace`, `trace:hostname`,\n");
+       fprintf(fp, "                                      `trace:domain`, `trace:procname`,\n");
+       fprintf(fp, "                                      `trace:vpid`, `loglevel`, `emf`\n");
+       fprintf(fp, "  -n, --names=NAME[,NAME]...        Print field names; NAME can be:\n");
+       fprintf(fp, "                                      `payload` (or `arg` or `args`), `none`,\n");
+       fprintf(fp, "                                      `all`, `scope`, `header`, `context`\n");
+       fprintf(fp, "                                      (or `ctx`)\n");
+       fprintf(fp, "      --no-delta                    Do not print time delta between\n");
+       fprintf(fp, "                                    consecutive events\n");
+       fprintf(fp, "  -w, --output=PATH                 Write output text to PATH instead of\n");
+       fprintf(fp, "                                    the standard output\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Implicit `filter.utils.muxer` component options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "      --clock-force-correlate       Assume that clocks are inherently\n");
+       fprintf(fp, "                                    correlated across traces\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Implicit `filter.utils.trimmer` component options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "  -b, --begin=BEGIN                 Set the beginning time of the conversion\n");
+       fprintf(fp, "                                    time range to BEGIN (see the format of\n");
+       fprintf(fp, "                                    BEGIN below)\n");
+       fprintf(fp, "  -e, --end=END                     Set the end time of the conversion time\n");
+       fprintf(fp, "                                    range to END (see the format of END below)\n");
+       fprintf(fp, "  -t, --timerange=TIMERANGE         Set conversion time range to TIMERANGE:\n");
+       fprintf(fp, "                                    BEGIN,END or [BEGIN,END] (literally `[` and\n");
+       fprintf(fp, "                                    `]`) (see the format of BEGIN/END below)\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Implicit `filter.lttng-utils.debug-info` component options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "      --debug-info                  Create an implicit\n");
+       fprintf(fp, "                                    `filter.lttng-utils.debug-info` component\n");
+       fprintf(fp, "      --debug-info-dir=DIR          Search for debug info in directory DIR\n");
+       fprintf(fp, "                                    instead of `/usr/lib/debug`\n");
+       fprintf(fp, "      --debug-info-full-path        Show full debug info source and\n");
+       fprintf(fp, "                                    binary paths instead of just names\n");
+       fprintf(fp, "      --debug-info-target-prefix=DIR\n");
+       fprintf(fp, "                                    Use directory DIR as a prefix when\n");
+       fprintf(fp, "                                    looking up executables during debug\n");
+       fprintf(fp, "                                    info analysis\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Legacy options that still work:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "  -i, --input-format=(ctf | lttng-live)\n");
+       fprintf(fp, "                                    `ctf`:\n");
+       fprintf(fp, "                                      Create an implicit `source.ctf.fs`\n");
+       fprintf(fp, "                                      component\n");
+       fprintf(fp, "                                    `lttng-live`:\n");
+       fprintf(fp, "                                      Create an implicit `source.ctf.lttng-live`\n");
+       fprintf(fp, "                                      component\n");
+       fprintf(fp, "  -o, --output-format=(text | ctf | dummy | ctf-metadata)\n");
+       fprintf(fp, "                                    `text`:\n");
+       fprintf(fp, "                                      Create an implicit `sink.text.pretty`\n");
+       fprintf(fp, "                                      component\n");
+       fprintf(fp, "                                    `ctf`:\n");
+       fprintf(fp, "                                      Create an implicit `sink.ctf.fs`\n");
+       fprintf(fp, "                                      component\n");
+       fprintf(fp, "                                    `dummy`:\n");
+       fprintf(fp, "                                      Create an implicit `sink.utils.dummy`\n");
+       fprintf(fp, "                                      component\n");
+       fprintf(fp, "                                    `ctf-metadata`:\n");
+       fprintf(fp, "                                      Query the `source.ctf.fs` component class\n");
+       fprintf(fp, "                                      for metadata text and quit\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "See `babeltrace2 --help` for the list of general options.\n");
+       fprintf(fp, "\n\n");
+       fprintf(fp, "Format of BEGIN and END\n");
+       fprintf(fp, "-----------------------\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "    [YYYY-MM-DD [hh:mm:]]ss[.nnnnnnnnn]\n");
+       fprintf(fp, "\n\n");
+       print_expected_params_format(fp);
+}
+
+static
+struct poptOption convert_long_options[] = {
+       /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+       { "begin", 'b', POPT_ARG_STRING, NULL, OPT_BEGIN, NULL, NULL },
+       { "clock-cycles", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL },
+       { "clock-date", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
+       { "clock-force-correlate", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
+       { "clock-gmt", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
+       { "clock-offset", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
+       { "clock-offset-ns", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET_NS, NULL, NULL },
+       { "clock-seconds", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
+       { "color", '\0', POPT_ARG_STRING, NULL, OPT_COLOR, NULL, NULL },
+       { "component", 'c', POPT_ARG_STRING, NULL, OPT_COMPONENT, NULL, NULL },
+       { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
+       { "debug-info-dir", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_DIR, NULL, NULL },
+       { "debug-info-full-path", 0, POPT_ARG_NONE, NULL, OPT_DEBUG_INFO_FULL_PATH, NULL, NULL },
+       { "debug-info-target-prefix", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_TARGET_PREFIX, NULL, NULL },
+       { "end", 'e', POPT_ARG_STRING, NULL, OPT_END, NULL, NULL },
+       { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
+       { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+       { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL },
+       { "name", '\0', POPT_ARG_STRING, NULL, OPT_NAME, NULL, NULL },
+       { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
+       { "debug-info", '\0', POPT_ARG_NONE, NULL, OPT_DEBUG_INFO, NULL, NULL },
+       { "no-delta", '\0', POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
+       { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
+       { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
+       { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT, NULL, NULL },
+       { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL },
+       { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
+       { "path", 'P', POPT_ARG_STRING, NULL, OPT_PATH, NULL, NULL },
+       { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
+       { "retry-duration", '\0', POPT_ARG_STRING, NULL, OPT_RETRY_DURATION, NULL, NULL },
+       { "run-args", '\0', POPT_ARG_NONE, NULL, OPT_RUN_ARGS, NULL, NULL },
+       { "run-args-0", '\0', POPT_ARG_NONE, NULL, OPT_RUN_ARGS_0, NULL, NULL },
+       { "stream-intersection", '\0', POPT_ARG_NONE, NULL, OPT_STREAM_INTERSECTION, NULL, NULL },
+       { "timerange", '\0', POPT_ARG_STRING, NULL, OPT_TIMERANGE, NULL, NULL },
+       { "url", 'u', POPT_ARG_STRING, NULL, OPT_URL, NULL, NULL },
+       { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
+       { NULL, 0, '\0', NULL, 0, NULL, NULL },
+};
+
+static
+GString *get_component_auto_name(const char *prefix,
+               const bt_value *existing_names)
+{
+       unsigned int i = 0;
+       GString *auto_name = g_string_new(NULL);
+
+       if (!auto_name) {
+               print_err_oom();
+               goto end;
+       }
+
+       if (!bt_value_map_has_entry(existing_names, prefix)) {
+               g_string_assign(auto_name, prefix);
+               goto end;
+       }
+
+       do {
+               g_string_printf(auto_name, "%s-%d", prefix, i);
+               i++;
+       } while (bt_value_map_has_entry(existing_names, auto_name->str));
+
+end:
+       return auto_name;
+}
+
+struct implicit_component_args {
+       bool exists;
+       GString *comp_arg;
+       GString *name_arg;
+       GString *params_arg;
+       bt_value *extra_params;
+};
+
+static
+int assign_name_to_implicit_component(struct implicit_component_args *args,
+               const char *prefix, bt_value *existing_names,
+               GList **comp_names, bool append_to_comp_names)
+{
+       int ret = 0;
+       GString *name = NULL;
+
+       if (!args->exists) {
+               goto end;
+       }
+
+       name = get_component_auto_name(prefix,
+               existing_names);
+
+       if (!name) {
+               ret = -1;
+               goto end;
+       }
+
+       g_string_assign(args->name_arg, name->str);
+
+       if (bt_value_map_insert_entry(existing_names, name->str,
+                       bt_value_null)) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+       if (append_to_comp_names) {
+               *comp_names = g_list_append(*comp_names, name);
+               name = NULL;
+       }
+
+end:
+       if (name) {
+               g_string_free(name, TRUE);
+       }
+
+       return ret;
+}
+
+static
+int append_run_args_for_implicit_component(
+               struct implicit_component_args *impl_args,
+               bt_value *run_args)
+{
+       int ret = 0;
+       size_t i;
+
+       if (!impl_args->exists) {
+               goto end;
+       }
+
+       if (bt_value_array_append_string_element(run_args, "--component")) {
+               print_err_oom();
+               goto error;
+       }
+
+       if (bt_value_array_append_string_element(run_args, impl_args->comp_arg->str)) {
+               print_err_oom();
+               goto error;
+       }
+
+       if (bt_value_array_append_string_element(run_args, "--name")) {
+               print_err_oom();
+               goto error;
+       }
+
+       if (bt_value_array_append_string_element(run_args, impl_args->name_arg->str)) {
+               print_err_oom();
+               goto error;
+       }
+
+       if (impl_args->params_arg->len > 0) {
+               if (bt_value_array_append_string_element(run_args, "--params")) {
+                       print_err_oom();
+                       goto error;
+               }
+
+               if (bt_value_array_append_string_element(run_args,
+                               impl_args->params_arg->str)) {
+                       print_err_oom();
+                       goto error;
+               }
+       }
+
+       for (i = 0; i < bt_value_array_get_size(impl_args->extra_params);
+                       i++) {
+               const bt_value *elem;
+               const char *arg;
+
+               elem = bt_value_array_borrow_element_by_index(impl_args->extra_params,
+                                                             i);
+               if (!elem) {
+                       goto error;
+               }
+
+               BT_ASSERT(bt_value_is_string(elem));
+               arg = bt_value_string_get(elem);
+               ret = bt_value_array_append_string_element(run_args, arg);
+               if (ret) {
+                       print_err_oom();
+                       goto error;
+               }
+       }
+
+       goto end;
+
+error:
+       ret = -1;
+
+end:
+       return ret;
+}
+
+static
+void finalize_implicit_component_args(struct implicit_component_args *args)
+{
+       BT_ASSERT(args);
+
+       if (args->comp_arg) {
+               g_string_free(args->comp_arg, TRUE);
+       }
+
+       if (args->name_arg) {
+               g_string_free(args->name_arg, TRUE);
+       }
+
+       if (args->params_arg) {
+               g_string_free(args->params_arg, TRUE);
+       }
+
+       bt_value_put_ref(args->extra_params);
+}
+
+static
+int init_implicit_component_args(struct implicit_component_args *args,
+               const char *comp_arg, bool exists)
+{
+       int ret = 0;
+
+       args->exists = exists;
+       args->comp_arg = g_string_new(comp_arg);
+       args->name_arg = g_string_new(NULL);
+       args->params_arg = g_string_new(NULL);
+       args->extra_params = bt_value_array_create();
+
+       if (!args->comp_arg || !args->name_arg ||
+                       !args->params_arg || !args->extra_params) {
+               ret = -1;
+               finalize_implicit_component_args(args);
+               print_err_oom();
+               goto end;
+       }
+
+end:
+       return ret;
+}
+
+static
+void append_implicit_component_param(struct implicit_component_args *args,
+       const char *key, const char *value)
+{
+       BT_ASSERT(args);
+       BT_ASSERT(key);
+       BT_ASSERT(value);
+       append_param_arg(args->params_arg, key, value);
+}
+
+/* Escape value to make it suitable to use as a string parameter value. */
+static
+gchar *escape_string_value(const char *value)
+{
+       GString *ret;
+       const char *in;
+
+       ret = g_string_new(NULL);
+       if (!ret) {
+               print_err_oom();
+               goto end;
+       }
+
+       in = value;
+       while (*in) {
+               switch (*in) {
+               case '"':
+               case '\\':
+                       g_string_append_c(ret, '\\');
+                       break;
+               }
+
+               g_string_append_c(ret, *in);
+
+               in++;
+       }
+
+end:
+       return g_string_free(ret, FALSE);
+}
+
+static
+int bt_value_to_cli_param_value_append(const bt_value *value, GString *buf)
+{
+       BT_ASSERT(buf);
+
+       int ret = -1;
+
+       switch (bt_value_get_type(value)) {
+       case BT_VALUE_TYPE_STRING:
+       {
+               const char *str_value = bt_value_string_get(value);
+               gchar *escaped_str_value;
+
+               escaped_str_value = escape_string_value(str_value);
+               if (!escaped_str_value) {
+                       goto end;
+               }
+
+               g_string_append_printf(buf, "\"%s\"", escaped_str_value);
+
+               g_free(escaped_str_value);
+               break;
+       }
+       case BT_VALUE_TYPE_ARRAY: {
+               g_string_append_c(buf, '[');
+               uint64_t sz = bt_value_array_get_size(value);
+               for (uint64_t i = 0; i < sz; i++) {
+                       const bt_value *item;
+                       int ret;
+
+                       if (i > 0) {
+                               g_string_append(buf, ", ");
+                       }
+
+                       item = bt_value_array_borrow_element_by_index_const(
+                               value, i);
+                       ret = bt_value_to_cli_param_value_append(item, buf);
+
+                       if (ret) {
+                               goto end;
+                       }
+               }
+               g_string_append_c(buf, ']');
+               break;
+       }
+       default:
+               abort();
+       }
+
+       ret = 0;
+
+end:
+       return ret;
+}
+
+/*
+ * Convert `value` to its equivalent representation as a command line parameter
+ * value.
+ */
+
+static
+gchar *bt_value_to_cli_param_value(bt_value *value)
+{
+       GString *buf;
+       gchar *result = NULL;
+
+       buf = g_string_new(NULL);
+       if (!buf) {
+               print_err_oom();
+               goto error;
+       }
+
+       if (bt_value_to_cli_param_value_append(value, buf)) {
+               goto error;
+       }
+
+       result = g_string_free(buf, FALSE);
+       buf = NULL;
+
+       goto end;
+
+error:
+       if (buf) {
+               g_string_free(buf, TRUE);
+       }
+
+end:
+       return result;
+}
+
+static
+int append_parameter_to_args(bt_value *args, const char *key, bt_value *value)
+{
+       BT_ASSERT(args);
+       BT_ASSERT(bt_value_get_type(args) == BT_VALUE_TYPE_ARRAY);
+       BT_ASSERT(key);
+       BT_ASSERT(value);
+
+       int ret = 0;
+       gchar *str_value = NULL;
+       GString *parameter = NULL;
+
+       if (bt_value_array_append_string_element(args, "--params")) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+       str_value = bt_value_to_cli_param_value(value);
+       if (!str_value) {
+               ret = -1;
+               goto end;
+       }
+
+       parameter = g_string_new(NULL);
+       if (!parameter) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+       g_string_printf(parameter, "%s=%s", key, str_value);
+
+       if (bt_value_array_append_string_element(args, parameter->str)) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+end:
+       if (parameter) {
+               g_string_free(parameter, TRUE);
+               parameter = NULL;
+       }
+
+       if (str_value) {
+               g_free(str_value);
+               str_value = NULL;
+       }
+
+       return ret;
+}
+
+static
+int append_string_parameter_to_args(bt_value *args, const char *key, const char *value)
+{
+       bt_value *str_value;
+       int ret;
+
+       str_value = bt_value_string_create_init(value);
+
+       if (!str_value) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+       ret = append_parameter_to_args(args, key, str_value);
+
+end:
+       BT_VALUE_PUT_REF_AND_RESET(str_value);
+       return ret;
+}
+
+static
+int append_implicit_component_extra_param(struct implicit_component_args *args,
+               const char *key, const char *value)
+{
+       return append_string_parameter_to_args(args->extra_params, key, value);
+}
+
+static
+int convert_append_name_param(enum bt_config_component_dest dest,
+               GString *cur_name, GString *cur_name_prefix,
+               bt_value *run_args,
+               bt_value *all_names,
+               GList **source_names, GList **filter_names,
+               GList **sink_names)
+{
+       int ret = 0;
+
+       if (cur_name_prefix->len > 0) {
+               /* We're after a --component option */
+               GString *name = NULL;
+               bool append_name_opt = false;
+
+               if (cur_name->len == 0) {
+                       /*
+                        * No explicit name was provided for the user
+                        * component.
+                        */
+                       name = get_component_auto_name(cur_name_prefix->str,
+                               all_names);
+                       append_name_opt = true;
+               } else {
+                       /*
+                        * An explicit name was provided for the user
+                        * component.
+                        */
+                       if (bt_value_map_has_entry(all_names,
+                                                  cur_name->str)) {
+                               printf_err("Duplicate component instance name:\n    %s\n",
+                                       cur_name->str);
+                               goto error;
+                       }
+
+                       name = g_string_new(cur_name->str);
+               }
+
+               if (!name) {
+                       print_err_oom();
+                       goto error;
+               }
+
+               /*
+                * Remember this name globally, for the uniqueness of
+                * all component names.
+                */
+               if (bt_value_map_insert_entry(all_names, name->str, bt_value_null)) {
+                       print_err_oom();
+                       goto error;
+               }
+
+               /*
+                * Append the --name option if necessary.
+                */
+               if (append_name_opt) {
+                       if (bt_value_array_append_string_element(run_args, "--name")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string_element(run_args, name->str)) {
+                               print_err_oom();
+                               goto error;
+                       }
+               }
+
+               /*
+                * Remember this name specifically for the type of the
+                * component. This is to create connection arguments.
+                */
+               switch (dest) {
+               case BT_CONFIG_COMPONENT_DEST_SOURCE:
+                       *source_names = g_list_append(*source_names, name);
+                       break;
+               case BT_CONFIG_COMPONENT_DEST_FILTER:
+                       *filter_names = g_list_append(*filter_names, name);
+                       break;
+               case BT_CONFIG_COMPONENT_DEST_SINK:
+                       *sink_names = g_list_append(*sink_names, name);
+                       break;
+               default:
+                       abort();
+               }
+
+               g_string_assign(cur_name_prefix, "");
+       }
+
+       goto end;
+
+error:
+       ret = -1;
+
+end:
+       return ret;
+}
+
+/*
+ * Escapes `.`, `:`, and `\` of `input` with `\`.
+ */
+static
+GString *escape_dot_colon(const char *input)
+{
+       GString *output = g_string_new(NULL);
+       const char *ch;
+
+       if (!output) {
+               print_err_oom();
+               goto end;
+       }
+
+       for (ch = input; *ch != '\0'; ch++) {
+               if (*ch == '\\' || *ch == '.' || *ch == ':') {
+                       g_string_append_c(output, '\\');
+               }
+
+               g_string_append_c(output, *ch);
+       }
+
+end:
+       return output;
+}
+
+/*
+ * Appends a --connect option to a list of arguments. `upstream_name`
+ * and `downstream_name` are escaped with escape_dot_colon() in this
+ * function.
+ */
+static
+int append_connect_arg(bt_value *run_args,
+               const char *upstream_name, const char *downstream_name)
+{
+       int ret = 0;
+       GString *e_upstream_name = escape_dot_colon(upstream_name);
+       GString *e_downstream_name = escape_dot_colon(downstream_name);
+       GString *arg = g_string_new(NULL);
+
+       if (!e_upstream_name || !e_downstream_name || !arg) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+       ret = bt_value_array_append_string_element(run_args, "--connect");
+       if (ret) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+       g_string_append(arg, e_upstream_name->str);
+       g_string_append_c(arg, ':');
+       g_string_append(arg, e_downstream_name->str);
+       ret = bt_value_array_append_string_element(run_args, arg->str);
+       if (ret) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+end:
+       if (arg) {
+               g_string_free(arg, TRUE);
+       }
+
+       if (e_upstream_name) {
+               g_string_free(e_upstream_name, TRUE);
+       }
+
+       if (e_downstream_name) {
+               g_string_free(e_downstream_name, TRUE);
+       }
+
+       return ret;
+}
+
+/*
+ * Appends the run command's --connect options for the convert command.
+ */
+static
+int convert_auto_connect(bt_value *run_args,
+               GList *source_names, GList *filter_names,
+               GList *sink_names)
+{
+       int ret = 0;
+       GList *source_at = source_names;
+       GList *filter_at = filter_names;
+       GList *filter_prev;
+       GList *sink_at = sink_names;
+
+       BT_ASSERT(source_names);
+       BT_ASSERT(filter_names);
+       BT_ASSERT(sink_names);
+
+       /* Connect all sources to the first filter */
+       for (source_at = source_names; source_at != NULL; source_at = g_list_next(source_at)) {
+               GString *source_name = source_at->data;
+               GString *filter_name = filter_at->data;
+
+               ret = append_connect_arg(run_args, source_name->str,
+                       filter_name->str);
+               if (ret) {
+                       goto error;
+               }
+       }
+
+       filter_prev = filter_at;
+       filter_at = g_list_next(filter_at);
+
+       /* Connect remaining filters */
+       for (; filter_at != NULL; filter_prev = filter_at, filter_at = g_list_next(filter_at)) {
+               GString *filter_name = filter_at->data;
+               GString *filter_prev_name = filter_prev->data;
+
+               ret = append_connect_arg(run_args, filter_prev_name->str,
+                       filter_name->str);
+               if (ret) {
+                       goto error;
+               }
+       }
+
+       /* Connect last filter to all sinks */
+       for (sink_at = sink_names; sink_at != NULL; sink_at = g_list_next(sink_at)) {
+               GString *filter_name = filter_prev->data;
+               GString *sink_name = sink_at->data;
+
+               ret = append_connect_arg(run_args, filter_name->str,
+                       sink_name->str);
+               if (ret) {
+                       goto error;
+               }
+       }
+
+       goto end;
+
+error:
+       ret = -1;
+
+end:
+       return ret;
+}
+
+static
+int split_timerange(const char *arg, char **begin, char **end)
+{
+       int ret = 0;
+       const char *ch = arg;
+       size_t end_pos;
+       GString *g_begin = NULL;
+       GString *g_end = NULL;
+
+       BT_ASSERT(arg);
+
+       if (*ch == '[') {
+               ch++;
+       }
+
+       g_begin = bt_common_string_until(ch, "", ",", &end_pos);
+       if (!g_begin || ch[end_pos] != ',' || g_begin->len == 0) {
+               goto error;
+       }
+
+       ch += end_pos + 1;
+
+       g_end = bt_common_string_until(ch, "", "]", &end_pos);
+       if (!g_end || g_end->len == 0) {
+               goto error;
+       }
+
+       BT_ASSERT(begin);
+       BT_ASSERT(end);
+       *begin = g_begin->str;
+       *end = g_end->str;
+       g_string_free(g_begin, FALSE);
+       g_string_free(g_end, FALSE);
+       g_begin = NULL;
+       g_end = NULL;
+       goto end;
+
+error:
+       ret = -1;
+
+end:
+       if (g_begin) {
+               g_string_free(g_begin, TRUE);
+       }
+
+       if (g_end) {
+               g_string_free(g_end, TRUE);
+       }
+
+       return ret;
+}
+
+static
+int g_list_prepend_gstring(GList **list, const char *string)
+{
+       int ret = 0;
+       GString *gs = g_string_new(string);
+
+       BT_ASSERT(list);
+
+       if (!gs) {
+               print_err_oom();
+               goto end;
+       }
+
+       *list = g_list_prepend(*list, gs);
+
+end:
+       return ret;
+}
+
+/*
+ * Creates a Babeltrace config object from the arguments of a convert
+ * command.
+ *
+ * *retcode is set to the appropriate exit code to use.
+ */
+static
+struct bt_config *bt_config_convert_from_args(int argc, const char *argv[],
+               int *retcode, bool force_omit_system_plugin_path,
+               bool force_omit_home_plugin_path,
+               const bt_value *initial_plugin_paths, char *log_level)
+{
+       poptContext pc = NULL;
+       char *arg = NULL;
+       enum bt_config_component_dest cur_comp_dest =
+                       BT_CONFIG_COMPONENT_DEST_UNKNOWN;
+       int opt, ret = 0;
+       struct bt_config *cfg = NULL;
+       bool got_input_format_opt = false;
+       bool got_output_format_opt = false;
+       bool trimmer_has_begin = false;
+       bool trimmer_has_end = false;
+       bool stream_intersection_mode = false;
+       GString *cur_name = NULL;
+       GString *cur_name_prefix = NULL;
+       const char *leftover = NULL;
+       bool print_run_args = false;
+       bool print_run_args_0 = false;
+       bool print_ctf_metadata = false;
+       bt_value *run_args = NULL;
+       bt_value *all_names = NULL;
+       GList *source_names = NULL;
+       GList *filter_names = NULL;
+       GList *sink_names = NULL;
+       bt_value *leftovers = NULL;
+       struct implicit_component_args implicit_ctf_input_args = { 0 };
+       struct implicit_component_args implicit_ctf_output_args = { 0 };
+       struct implicit_component_args implicit_lttng_live_args = { 0 };
+       struct implicit_component_args implicit_dummy_args = { 0 };
+       struct implicit_component_args implicit_text_args = { 0 };
+       struct implicit_component_args implicit_debug_info_args = { 0 };
+       struct implicit_component_args implicit_muxer_args = { 0 };
+       struct implicit_component_args implicit_trimmer_args = { 0 };
+       bt_value *plugin_paths;
+       char error_buf[256] = { 0 };
+       size_t i;
+       struct bt_common_lttng_live_url_parts lttng_live_url_parts = { 0 };
+       char *output = NULL;
+
+       (void) bt_value_copy(initial_plugin_paths, &plugin_paths);
+
+       *retcode = 0;
+
+       if (argc <= 1) {
+               print_convert_usage(stdout);
+               *retcode = -1;
+               goto end;
+       }
+
+       if (init_implicit_component_args(&implicit_ctf_input_args,
+                       "source.ctf.fs", false)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_ctf_output_args,
+                       "sink.ctf.fs", false)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_lttng_live_args,
+                       "source.ctf.lttng-live", false)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_text_args,
+                       "sink.text.pretty", false)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_dummy_args,
+                       "sink.utils.dummy", false)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_debug_info_args,
+                       "filter.lttng-utils.debug-info", false)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_muxer_args,
+                       "filter.utils.muxer", true)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_trimmer_args,
+                       "filter.utils.trimmer", false)) {
+               goto error;
+       }
+
+       all_names = bt_value_map_create();
+       if (!all_names) {
+               print_err_oom();
+               goto error;
+       }
+
+       run_args = bt_value_array_create();
+       if (!run_args) {
+               print_err_oom();
+               goto error;
+       }
+
+       cur_name = g_string_new(NULL);
+       if (!cur_name) {
+               print_err_oom();
+               goto error;
+       }
+
+       cur_name_prefix = g_string_new(NULL);
+       if (!cur_name_prefix) {
+               print_err_oom();
+               goto error;
+       }
+
+       ret = append_env_var_plugin_paths(plugin_paths);
+       if (ret) {
+               goto error;
+       }
+
+       leftovers = bt_value_array_create();
+       if (!leftovers) {
+               print_err_oom();
+               goto error;
+       }
+
+       /*
+        * First pass: collect all arguments which need to be passed
+        * as is to the run command. This pass can also add --name
+        * arguments if needed to automatically name unnamed component
+        * instances. Also it does the following transformations:
+        *
+        *     --path=PATH -> --params=path="PATH"
+        *     --url=URL   -> --params=url="URL"
+        *
+        * Also it appends the plugin paths of --plugin-path to
+        * `plugin_paths`.
+        */
+       pc = poptGetContext(NULL, argc, (const char **) argv,
+               convert_long_options, 0);
+       if (!pc) {
+               printf_err("Cannot get popt context\n");
+               goto error;
+       }
+
+       poptReadDefaultConfig(pc, 0);
+
+       while ((opt = poptGetNextOpt(pc)) > 0) {
+               char *name = NULL;
+               char *plugin_name = NULL;
+               char *comp_cls_name = NULL;
+
+               arg = poptGetOptArg(pc);
+
+               switch (opt) {
+               case OPT_COMPONENT:
+               {
+                       bt_component_class_type type;
+                       const char *type_prefix;
+
+                       /* Append current component's name if needed */
+                       ret = convert_append_name_param(cur_comp_dest, cur_name,
+                               cur_name_prefix, run_args, all_names,
+                               &source_names, &filter_names, &sink_names);
+                       if (ret) {
+                               goto error;
+                       }
+
+                       /* Parse the argument */
+                       plugin_comp_cls_names(arg, &name, &plugin_name,
+                               &comp_cls_name, &type);
+                       if (!plugin_name || !comp_cls_name) {
+                               printf_err("Invalid format for --component option's argument:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       if (name) {
+                               g_string_assign(cur_name, name);
+                       } else {
+                               g_string_assign(cur_name, "");
+                       }
+
+                       switch (type) {
+                       case BT_COMPONENT_CLASS_TYPE_SOURCE:
+                               cur_comp_dest = BT_CONFIG_COMPONENT_DEST_SOURCE;
+                               type_prefix = "source";
+                               break;
+                       case BT_COMPONENT_CLASS_TYPE_FILTER:
+                               cur_comp_dest = BT_CONFIG_COMPONENT_DEST_FILTER;
+                               type_prefix = "filter";
+                               break;
+                       case BT_COMPONENT_CLASS_TYPE_SINK:
+                               cur_comp_dest = BT_CONFIG_COMPONENT_DEST_SINK;
+                               type_prefix = "sink";
+                               break;
+                       default:
+                               abort();
+                       }
+
+                       if (bt_value_array_append_string_element(run_args,
+                                       "--component")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string_element(run_args, arg)) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       g_string_assign(cur_name_prefix, "");
+                       g_string_append_printf(cur_name_prefix, "%s.%s.%s",
+                               type_prefix, plugin_name, comp_cls_name);
+                       free(name);
+                       free(plugin_name);
+                       free(comp_cls_name);
+                       name = NULL;
+                       plugin_name = NULL;
+                       comp_cls_name = NULL;
+                       break;
+               }
+               case OPT_PARAMS:
+                       if (cur_name_prefix->len == 0) {
+                               printf_err("No current component of which to set parameters:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string_element(run_args,
+                                       "--params")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string_element(run_args, arg)) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       break;
+               case OPT_PATH:
+                       if (cur_name_prefix->len == 0) {
+                               printf_err("No current component of which to set `path` parameter:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       if (append_string_parameter_to_args(run_args, "path", arg)) {
+                               goto error;
+                       }
+                       break;
+               case OPT_URL:
+                       if (cur_name_prefix->len == 0) {
+                               printf_err("No current component of which to set `url` parameter:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+
+                       if (append_string_parameter_to_args(run_args, "url", arg)) {
+                               goto error;
+                       }
+                       break;
+               case OPT_NAME:
+                       if (cur_name_prefix->len == 0) {
+                               printf_err("No current component to name:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string_element(run_args, "--name")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string_element(run_args, arg)) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       g_string_assign(cur_name, arg);
+                       break;
+               case OPT_OMIT_HOME_PLUGIN_PATH:
+                       force_omit_home_plugin_path = true;
+
+                       if (bt_value_array_append_string_element(run_args,
+                                       "--omit-home-plugin-path")) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       break;
+               case OPT_RETRY_DURATION:
+                       if (bt_value_array_append_string_element(run_args,
+                                       "--retry-duration")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string_element(run_args, arg)) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       break;
+               case OPT_OMIT_SYSTEM_PLUGIN_PATH:
+                       force_omit_system_plugin_path = true;
+
+                       if (bt_value_array_append_string_element(run_args,
+                                       "--omit-system-plugin-path")) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       break;
+               case OPT_PLUGIN_PATH:
+                       if (bt_config_append_plugin_paths_check_setuid_setgid(
+                                       plugin_paths, arg)) {
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string_element(run_args,
+                                       "--plugin-path")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string_element(run_args, arg)) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       break;
+               case OPT_HELP:
+                       print_convert_usage(stdout);
+                       *retcode = -1;
+                       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+                       goto end;
+               case OPT_BEGIN:
+               case OPT_CLOCK_CYCLES:
+               case OPT_CLOCK_DATE:
+               case OPT_CLOCK_FORCE_CORRELATE:
+               case OPT_CLOCK_GMT:
+               case OPT_CLOCK_OFFSET:
+               case OPT_CLOCK_OFFSET_NS:
+               case OPT_CLOCK_SECONDS:
+               case OPT_COLOR:
+               case OPT_DEBUG:
+               case OPT_DEBUG_INFO:
+               case OPT_DEBUG_INFO_DIR:
+               case OPT_DEBUG_INFO_FULL_PATH:
+               case OPT_DEBUG_INFO_TARGET_PREFIX:
+               case OPT_END:
+               case OPT_FIELDS:
+               case OPT_INPUT_FORMAT:
+               case OPT_NAMES:
+               case OPT_NO_DELTA:
+               case OPT_OUTPUT_FORMAT:
+               case OPT_OUTPUT:
+               case OPT_RUN_ARGS:
+               case OPT_RUN_ARGS_0:
+               case OPT_STREAM_INTERSECTION:
+               case OPT_TIMERANGE:
+               case OPT_VERBOSE:
+                       /* Ignore in this pass */
+                       break;
+               default:
+                       printf_err("Unknown command-line option specified (option code %d)\n",
+                               opt);
+                       goto error;
+               }
+
+               free(arg);
+               arg = NULL;
+       }
+
+       /* Append current component's name if needed */
+       ret = convert_append_name_param(cur_comp_dest, cur_name,
+               cur_name_prefix, run_args, all_names, &source_names,
+               &filter_names, &sink_names);
+       if (ret) {
+               goto error;
+       }
+
+       /* Check for option parsing error */
+       if (opt < -1) {
+               printf_err("While parsing command-line options, at option %s: %s\n",
+                       poptBadOption(pc, 0), poptStrerror(opt));
+               goto error;
+       }
+
+       poptFreeContext(pc);
+       free(arg);
+       arg = NULL;
+
+       /*
+        * Second pass: transform the convert-specific options and
+        * arguments into implicit component instances for the run
+        * command.
+        */
+       pc = poptGetContext(NULL, argc, (const char **) argv,
+               convert_long_options, 0);
+       if (!pc) {
+               printf_err("Cannot get popt context\n");
+               goto error;
+       }
+
+       poptReadDefaultConfig(pc, 0);
+
+       while ((opt = poptGetNextOpt(pc)) > 0) {
+               arg = poptGetOptArg(pc);
+
+               switch (opt) {
+               case OPT_BEGIN:
+                       if (trimmer_has_begin) {
+                               printf("At --begin option: --begin or --timerange option already specified\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       trimmer_has_begin = true;
+                       ret = append_implicit_component_extra_param(
+                               &implicit_trimmer_args, "begin", arg);
+                       implicit_trimmer_args.exists = true;
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               case OPT_END:
+                       if (trimmer_has_end) {
+                               printf("At --end option: --end or --timerange option already specified\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       trimmer_has_end = true;
+                       ret = append_implicit_component_extra_param(
+                               &implicit_trimmer_args, "end", arg);
+                       implicit_trimmer_args.exists = true;
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               case OPT_TIMERANGE:
+               {
+                       char *begin;
+                       char *end;
+
+                       if (trimmer_has_begin || trimmer_has_end) {
+                               printf("At --timerange option: --begin, --end, or --timerange option already specified\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       ret = split_timerange(arg, &begin, &end);
+                       if (ret) {
+                               printf_err("Invalid --timerange option's argument: expecting BEGIN,END or [BEGIN,END]:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       ret = append_implicit_component_extra_param(
+                               &implicit_trimmer_args, "begin", begin);
+                       ret |= append_implicit_component_extra_param(
+                               &implicit_trimmer_args, "end", end);
+                       implicit_trimmer_args.exists = true;
+                       free(begin);
+                       free(end);
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               }
+               case OPT_CLOCK_CYCLES:
+                       append_implicit_component_param(
+                               &implicit_text_args, "clock-cycles", "yes");
+                       implicit_text_args.exists = true;
+                       break;
+               case OPT_CLOCK_DATE:
+                       append_implicit_component_param(
+                               &implicit_text_args, "clock-date", "yes");
+                       implicit_text_args.exists = true;
+                       break;
+               case OPT_CLOCK_FORCE_CORRELATE:
+                       append_implicit_component_param(
+                               &implicit_muxer_args,
+                               "assume-absolute-clock-classes", "yes");
+                       break;
+               case OPT_CLOCK_GMT:
+                       append_implicit_component_param(
+                               &implicit_text_args, "clock-gmt", "yes");
+                       append_implicit_component_param(
+                               &implicit_trimmer_args, "gmt", "yes");
+                       implicit_text_args.exists = true;
+                       break;
+               case OPT_CLOCK_OFFSET:
+                       implicit_ctf_input_args.exists = true;
+                       append_implicit_component_param(
+                                       &implicit_ctf_input_args,
+                                       "clock-class-offset-s", arg);
+                       break;
+               case OPT_CLOCK_OFFSET_NS:
+                       implicit_ctf_input_args.exists = true;
+                       append_implicit_component_param(
+                                       &implicit_ctf_input_args,
+                                       "clock-class-offset-ns", arg);
+                       break;
+               case OPT_CLOCK_SECONDS:
+                       append_implicit_component_param(
+                               &implicit_text_args, "clock-seconds", "yes");
+                       implicit_text_args.exists = true;
+                       break;
+               case OPT_COLOR:
+                       implicit_text_args.exists = true;
+                       ret = append_implicit_component_extra_param(
+                               &implicit_text_args, "color", arg);
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               case OPT_DEBUG_INFO:
+                       implicit_debug_info_args.exists = true;
+                       break;
+               case OPT_DEBUG_INFO_DIR:
+                       implicit_debug_info_args.exists = true;
+                       ret = append_implicit_component_extra_param(
+                               &implicit_debug_info_args, "debug-info-dir", arg);
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               case OPT_DEBUG_INFO_FULL_PATH:
+                       implicit_debug_info_args.exists = true;
+                       append_implicit_component_param(
+                               &implicit_debug_info_args, "full-path", "yes");
+                       break;
+               case OPT_DEBUG_INFO_TARGET_PREFIX:
+                       implicit_debug_info_args.exists = true;
+                       ret = append_implicit_component_extra_param(
+                               &implicit_debug_info_args,
+                               "target-prefix", arg);
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               case OPT_FIELDS:
+               {
+                       bt_value *fields = fields_from_arg(arg);
+
+                       if (!fields) {
+                               goto error;
+                       }
+
+                       implicit_text_args.exists = true;
+                       ret = insert_flat_params_from_array(
+                               implicit_text_args.params_arg,
+                               fields, "field");
+                       bt_value_put_ref(fields);
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               }
+               case OPT_NAMES:
+               {
+                       bt_value *names = names_from_arg(arg);
+
+                       if (!names) {
+                               goto error;
+                       }
+
+                       implicit_text_args.exists = true;
+                       ret = insert_flat_params_from_array(
+                               implicit_text_args.params_arg,
+                               names, "name");
+                       bt_value_put_ref(names);
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               }
+               case OPT_NO_DELTA:
+                       append_implicit_component_param(
+                               &implicit_text_args, "no-delta", "yes");
+                       implicit_text_args.exists = true;
+                       break;
+               case OPT_INPUT_FORMAT:
+                       if (got_input_format_opt) {
+                               printf_err("Duplicate --input-format option\n");
+                               goto error;
+                       }
+
+                       got_input_format_opt = true;
+
+                       if (strcmp(arg, "ctf") == 0) {
+                               implicit_ctf_input_args.exists = true;
+                       } else if (strcmp(arg, "lttng-live") == 0) {
+                               implicit_lttng_live_args.exists = true;
+                       } else {
+                               printf_err("Unknown legacy input format:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+                       break;
+               case OPT_OUTPUT_FORMAT:
+                       if (got_output_format_opt) {
+                               printf_err("Duplicate --output-format option\n");
+                               goto error;
+                       }
+
+                       got_output_format_opt = true;
+
+                       if (strcmp(arg, "text") == 0) {
+                               implicit_text_args.exists = true;
+                       } else if (strcmp(arg, "ctf") == 0) {
+                               implicit_ctf_output_args.exists = true;
+                       } else if (strcmp(arg, "dummy") == 0) {
+                               implicit_dummy_args.exists = true;
+                       } else if (strcmp(arg, "ctf-metadata") == 0) {
+                               print_ctf_metadata = true;
+                       } else {
+                               printf_err("Unknown legacy output format:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+                       break;
+               case OPT_OUTPUT:
+                       if (output) {
+                               printf_err("Duplicate --output option\n");
+                               goto error;
+                       }
+
+                       output = strdup(arg);
+                       if (!output) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       break;
+               case OPT_RUN_ARGS:
+                       if (print_run_args_0) {
+                               printf_err("Cannot specify --run-args and --run-args-0\n");
+                               goto error;
+                       }
+
+                       print_run_args = true;
+                       break;
+               case OPT_RUN_ARGS_0:
+                       if (print_run_args) {
+                               printf_err("Cannot specify --run-args and --run-args-0\n");
+                               goto error;
+                       }
+
+                       print_run_args_0 = true;
+                       break;
+               case OPT_STREAM_INTERSECTION:
+                       /*
+                        * Applies to all traces implementing the trace-info
+                        * query.
+                        */
+                       stream_intersection_mode = true;
+                       break;
+               case OPT_VERBOSE:
+                       if (*log_level != 'V' && *log_level != 'D') {
+                               *log_level = 'I';
+                       }
+                       break;
+               case OPT_DEBUG:
+                       *log_level = 'V';
+                       break;
+               }
+
+               free(arg);
+               arg = NULL;
+       }
+
+       /* Check for option parsing error */
+       if (opt < -1) {
+               printf_err("While parsing command-line options, at option %s: %s\n",
+                       poptBadOption(pc, 0), poptStrerror(opt));
+               goto error;
+       }
+
+       /*
+        * Legacy behaviour: --verbose used to make the `text` output
+        * format print more information. --verbose is now equivalent to
+        * the INFO log level, which is why we compare to 'I' here.
+        */
+       if (*log_level == 'I') {
+               append_implicit_component_param(&implicit_text_args,
+                       "verbose", "yes");
+       }
+
+       /*
+        * Append home and system plugin paths now that we possibly got
+        * --plugin-path.
+        */
+       if (append_home_and_system_plugin_paths(plugin_paths,
+                       force_omit_system_plugin_path,
+                       force_omit_home_plugin_path)) {
+               goto error;
+       }
+
+       /* Consume and keep leftover arguments */
+       while ((leftover = poptGetArg(pc))) {
+               bt_value_status status = bt_value_array_append_string_element(leftovers, leftover);
+               if (status != BT_VALUE_STATUS_OK) {
+                       print_err_oom();
+                       goto error;
+               }
+       }
+
+       /* Print CTF metadata or print LTTng live sessions */
+       if (print_ctf_metadata) {
+               const bt_value *bt_val_leftover;
+
+               if (bt_value_array_is_empty(leftovers)) {
+                       printf_err("--output-format=ctf-metadata specified without a path\n");
+                       goto error;
+               }
+
+               if (bt_value_array_get_size(leftovers) > 1) {
+                       printf_err("Too many paths specified for --output-format=ctf-metadata\n");
+                       goto error;
+               }
+
+               cfg = bt_config_print_ctf_metadata_create(plugin_paths);
+               if (!cfg) {
+                       goto error;
+               }
+
+               bt_val_leftover = bt_value_array_borrow_element_by_index_const(leftovers, 0);
+               g_string_assign(cfg->cmd_data.print_ctf_metadata.path,
+                               bt_value_string_get(bt_val_leftover));
+
+               if (output) {
+                       g_string_assign(
+                               cfg->cmd_data.print_ctf_metadata.output_path,
+                               output);
+               }
+
+               goto end;
+       }
+
+       /*
+        * If -o ctf was specified, make sure an output path (--output)
+        * was also specified. --output does not imply -o ctf because
+        * it's also used for the default, implicit -o text if -o ctf
+        * is not specified.
+        */
+       if (implicit_ctf_output_args.exists) {
+               if (!output) {
+                       printf_err("--output-format=ctf specified without --output (trace output path)\n");
+                       goto error;
+               }
+
+               /*
+                * At this point we know that -o ctf AND --output were
+                * specified. Make sure that no options were specified
+                * which would imply -o text because --output would be
+                * ambiguous in this case. For example, this is wrong:
+                *
+                *     babeltrace2 --names=all -o ctf --output=/tmp/path my-trace
+                *
+                * because --names=all implies -o text, and --output
+                * could apply to both the sink.text.pretty and
+                * sink.ctf.fs implicit components.
+                */
+               if (implicit_text_args.exists) {
+                       printf_err("Ambiguous --output option: --output-format=ctf specified but another option implies --output-format=text\n");
+                       goto error;
+               }
+       }
+
+       /*
+        * If -o dummy and -o ctf were not specified, and if there are
+        * no explicit sink components, then use an implicit
+        * `sink.text.pretty` component.
+        */
+       if (!implicit_dummy_args.exists && !implicit_ctf_output_args.exists &&
+                       !sink_names) {
+               implicit_text_args.exists = true;
+       }
+
+       /*
+        * Set implicit `sink.text.pretty` or `sink.ctf.fs` component's
+        * `path` parameter if --output was specified.
+        */
+       if (output) {
+               if (implicit_text_args.exists) {
+                       append_implicit_component_extra_param(&implicit_text_args,
+                               "path", output);
+               } else if (implicit_ctf_output_args.exists) {
+                       append_implicit_component_extra_param(&implicit_ctf_output_args,
+                               "path", output);
+               }
+       }
+
+       /* Decide where the leftover argument(s) go */
+       if (bt_value_array_get_size(leftovers) > 0) {
+               if (implicit_lttng_live_args.exists) {
+                       const bt_value *bt_val_leftover;
+
+                       if (bt_value_array_get_size(leftovers) > 1) {
+                               printf_err("Too many URLs specified for --output-format=lttng-live\n");
+                               goto error;
+                       }
+
+                       bt_val_leftover = bt_value_array_borrow_element_by_index_const(leftovers, 0);
+                       lttng_live_url_parts =
+                               bt_common_parse_lttng_live_url(bt_value_string_get(bt_val_leftover),
+                                       error_buf, sizeof(error_buf));
+                       if (!lttng_live_url_parts.proto) {
+                               printf_err("Invalid LTTng live URL format: %s\n",
+                                       error_buf);
+                               goto error;
+                       }
+
+                       if (!lttng_live_url_parts.session_name) {
+                               /* Print LTTng live sessions */
+                               cfg = bt_config_print_lttng_live_sessions_create(
+                                       plugin_paths);
+                               if (!cfg) {
+                                       goto error;
+                               }
+
+                               g_string_assign(cfg->cmd_data.print_lttng_live_sessions.url,
+                                       bt_value_string_get(bt_val_leftover));
+
+                               if (output) {
+                                       g_string_assign(
+                                               cfg->cmd_data.print_lttng_live_sessions.output_path,
+                                               output);
+                               }
+
+                               goto end;
+                       }
+
+                       ret = append_implicit_component_extra_param(
+                               &implicit_lttng_live_args, "url",
+                               bt_value_string_get(bt_val_leftover));
+                       if (ret) {
+                               goto error;
+                       }
+
+                       ret = append_implicit_component_extra_param(
+                               &implicit_lttng_live_args,
+                               "session-not-found-action", "end");
+                       if (ret) {
+                               goto error;
+                       }
+               } else {
+                       /*
+                        * Create one source.ctf.fs component, pass it an array
+                        * with the leftovers.
+                        * Note that it still has to be named later.
+                        */
+                       implicit_ctf_input_args.exists = true;
+                       ret = append_parameter_to_args(implicit_ctf_input_args.extra_params,
+                                       "paths", leftovers);
+                       if (ret) {
+                               goto error;
+                       }
+               }
+       }
+
+       /*
+        * Ensure mutual exclusion between implicit `source.ctf.fs` and
+        * `source.ctf.lttng-live` components.
+        */
+       if (implicit_ctf_input_args.exists && implicit_lttng_live_args.exists) {
+               printf_err("Cannot create both implicit `%s` and `%s` components\n",
+                       implicit_ctf_input_args.comp_arg->str,
+                       implicit_lttng_live_args.comp_arg->str);
+               goto error;
+       }
+
+       /*
+        * If the implicit `source.ctf.fs` or `source.ctf.lttng-live`
+        * components exists, make sure there's at least one leftover
+        * (which is the path or URL).
+        */
+       if (implicit_ctf_input_args.exists && bt_value_array_is_empty(leftovers)) {
+               printf_err("Missing path for implicit `%s` component\n",
+                       implicit_ctf_input_args.comp_arg->str);
+               goto error;
+       }
+
+       if (implicit_lttng_live_args.exists && bt_value_array_is_empty(leftovers)) {
+               printf_err("Missing URL for implicit `%s` component\n",
+                       implicit_lttng_live_args.comp_arg->str);
+               goto error;
+       }
+
+       /* Assign names to implicit components */
+       ret = assign_name_to_implicit_component(&implicit_ctf_input_args,
+               "source-ctf-fs", all_names, &source_names, true);
+       if (ret) {
+               goto error;
+       }
+
+       ret = assign_name_to_implicit_component(&implicit_lttng_live_args,
+               "lttng-live", all_names, &source_names, true);
+       if (ret) {
+               goto error;
+       }
+
+       ret = assign_name_to_implicit_component(&implicit_text_args,
+               "pretty", all_names, &sink_names, true);
+       if (ret) {
+               goto error;
+       }
+
+       ret = assign_name_to_implicit_component(&implicit_ctf_output_args,
+               "sink-ctf-fs", all_names, &sink_names, true);
+       if (ret) {
+               goto error;
+       }
+
+       ret = assign_name_to_implicit_component(&implicit_dummy_args,
+               "dummy", all_names, &sink_names, true);
+       if (ret) {
+               goto error;
+       }
+
+       ret = assign_name_to_implicit_component(&implicit_muxer_args,
+               "muxer", all_names, NULL, false);
+       if (ret) {
+               goto error;
+       }
+
+       ret = assign_name_to_implicit_component(&implicit_trimmer_args,
+               "trimmer", all_names, NULL, false);
+       if (ret) {
+               goto error;
+       }
+
+       ret = assign_name_to_implicit_component(&implicit_debug_info_args,
+               "debug-info", all_names, NULL, false);
+       if (ret) {
+               goto error;
+       }
+
+       /* Make sure there's at least one source and one sink */
+       if (!source_names) {
+               printf_err("No source component\n");
+               goto error;
+       }
+
+       if (!sink_names) {
+               printf_err("No sink component\n");
+               goto error;
+       }
+
+       /*
+        * Prepend the muxer, the trimmer, and the debug info to the
+        * filter chain so that we have:
+        *
+        *     sources -> muxer -> [trimmer] -> [debug info] ->
+        *                [user filters] -> sinks
+        */
+       if (implicit_debug_info_args.exists) {
+               if (g_list_prepend_gstring(&filter_names,
+                               implicit_debug_info_args.name_arg->str)) {
+                       goto error;
+               }
+       }
+
+       if (implicit_trimmer_args.exists) {
+               if (g_list_prepend_gstring(&filter_names,
+                               implicit_trimmer_args.name_arg->str)) {
+                       goto error;
+               }
+       }
+
+       if (g_list_prepend_gstring(&filter_names,
+                       implicit_muxer_args.name_arg->str)) {
+               goto error;
+       }
+
+       /*
+        * Append the equivalent run arguments for the implicit
+        * components.
+        */
+       ret = append_run_args_for_implicit_component(&implicit_ctf_input_args, run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(&implicit_lttng_live_args,
+               run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(&implicit_text_args,
+               run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(&implicit_ctf_output_args,
+               run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(&implicit_dummy_args,
+               run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(&implicit_muxer_args,
+               run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(&implicit_trimmer_args,
+               run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(&implicit_debug_info_args,
+               run_args);
+       if (ret) {
+               goto error;
+       }
+
+       /* Auto-connect components */
+       ret = convert_auto_connect(run_args, source_names, filter_names,
+                       sink_names);
+       if (ret) {
+               printf_err("Cannot auto-connect components\n");
+               goto error;
+       }
+
+       /*
+        * We have all the run command arguments now. Depending on
+        * --run-args, we pass this to the run command or print them
+        * here.
+        */
+       if (print_run_args || print_run_args_0) {
+               if (stream_intersection_mode) {
+                       printf_err("Cannot specify --stream-intersection with --run-args or --run-args-0\n");
+                       goto error;
+               }
+
+               for (i = 0; i < bt_value_array_get_size(run_args); i++) {
+                       const bt_value *arg_value =
+                               bt_value_array_borrow_element_by_index(run_args,
+                                                                      i);
+                       const char *arg;
+                       GString *quoted = NULL;
+                       const char *arg_to_print;
+
+                       BT_ASSERT(arg_value);
+                       arg = bt_value_string_get(arg_value);
+
+                       if (print_run_args) {
+                               quoted = bt_common_shell_quote(arg, true);
+                               if (!quoted) {
+                                       goto error;
+                               }
+
+                               arg_to_print = quoted->str;
+                       } else {
+                               arg_to_print = arg;
+                       }
+
+                       printf("%s", arg_to_print);
+
+                       if (quoted) {
+                               g_string_free(quoted, TRUE);
+                       }
+
+                       if (i < bt_value_array_get_size(run_args) - 1) {
+                               if (print_run_args) {
+                                       putchar(' ');
+                               } else {
+                                       putchar('\0');
+                               }
+                       }
+               }
+
+               *retcode = -1;
+               BT_OBJECT_PUT_REF_AND_RESET(cfg);
+               goto end;
+       }
+
+       cfg = bt_config_run_from_args_array(run_args, retcode,
+                                           force_omit_system_plugin_path,
+                                           force_omit_home_plugin_path,
+                                           initial_plugin_paths);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->cmd_data.run.stream_intersection_mode = stream_intersection_mode;
+       goto end;
+
+error:
+       *retcode = 1;
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+       if (pc) {
+               poptFreeContext(pc);
+       }
+
+       free(arg);
+       free(output);
+
+       if (cur_name) {
+               g_string_free(cur_name, TRUE);
+       }
+
+       if (cur_name_prefix) {
+               g_string_free(cur_name_prefix, TRUE);
+       }
+
+       bt_value_put_ref(run_args);
+       bt_value_put_ref(all_names);
+       destroy_glist_of_gstring(source_names);
+       destroy_glist_of_gstring(filter_names);
+       destroy_glist_of_gstring(sink_names);
+       bt_value_put_ref(leftovers);
+       finalize_implicit_component_args(&implicit_ctf_input_args);
+       finalize_implicit_component_args(&implicit_ctf_output_args);
+       finalize_implicit_component_args(&implicit_lttng_live_args);
+       finalize_implicit_component_args(&implicit_dummy_args);
+       finalize_implicit_component_args(&implicit_text_args);
+       finalize_implicit_component_args(&implicit_debug_info_args);
+       finalize_implicit_component_args(&implicit_muxer_args);
+       finalize_implicit_component_args(&implicit_trimmer_args);
+       bt_value_put_ref(plugin_paths);
+       bt_common_destroy_lttng_live_url_parts(&lttng_live_url_parts);
+       return cfg;
+}
+
+/*
+ * Prints the Babeltrace 2.x general usage.
+ */
+static
+void print_gen_usage(FILE *fp)
+{
+       fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] [COMMAND] [COMMAND ARGUMENTS]\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "General options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "  -d, --debug          Enable debug mode (same as --log-level=V)\n");
+       fprintf(fp, "  -h, --help           Show this help and quit\n");
+       fprintf(fp, "  -l, --log-level=LVL  Set all log levels to LVL (`N`, `V`, `D`,\n");
+       fprintf(fp, "                       `I`, `W` (default), `E`, or `F`)\n");
+       fprintf(fp, "  -v, --verbose        Enable verbose mode (same as --log-level=I)\n");
+       fprintf(fp, "  -V, --version        Show version and quit\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Available commands:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "    convert       Convert and trim traces (default)\n");
+       fprintf(fp, "    help          Get help for a plugin or a component class\n");
+       fprintf(fp, "    list-plugins  List available plugins and their content\n");
+       fprintf(fp, "    query         Query objects from a component class\n");
+       fprintf(fp, "    run           Build a processing graph and run it\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Use `babeltrace2 COMMAND --help` to show the help of COMMAND.\n");
+}
+
+static
+char log_level_from_arg(const char *arg)
+{
+       char level = 'U';
+
+       if (strcmp(arg, "VERBOSE") == 0 ||
+                       strcmp(arg, "V") == 0) {
+               level = 'V';
+       } else if (strcmp(arg, "DEBUG") == 0 ||
+                       strcmp(arg, "D") == 0) {
+               level = 'D';
+       } else if (strcmp(arg, "INFO") == 0 ||
+                       strcmp(arg, "I") == 0) {
+               level = 'I';
+       } else if (strcmp(arg, "WARN") == 0 ||
+                       strcmp(arg, "WARNING") == 0 ||
+                       strcmp(arg, "W") == 0) {
+               level = 'W';
+       } else if (strcmp(arg, "ERROR") == 0 ||
+                       strcmp(arg, "E") == 0) {
+               level = 'E';
+       } else if (strcmp(arg, "FATAL") == 0 ||
+                       strcmp(arg, "F") == 0) {
+               level = 'F';
+       } else if (strcmp(arg, "NONE") == 0 ||
+                       strcmp(arg, "N") == 0) {
+               level = 'N';
+       }
+
+       return level;
+}
+
+struct bt_config *bt_config_cli_args_create(int argc, const char *argv[],
+               int *retcode, bool force_omit_system_plugin_path,
+               bool force_omit_home_plugin_path,
+               const bt_value *initial_plugin_paths)
+{
+       struct bt_config *config = NULL;
+       int i;
+       const char **command_argv = NULL;
+       int command_argc = -1;
+       const char *command_name = NULL;
+       char log_level = 'U';
+
+       enum command_type {
+               COMMAND_TYPE_NONE = -1,
+               COMMAND_TYPE_RUN = 0,
+               COMMAND_TYPE_CONVERT,
+               COMMAND_TYPE_LIST_PLUGINS,
+               COMMAND_TYPE_HELP,
+               COMMAND_TYPE_QUERY,
+       } command_type = COMMAND_TYPE_NONE;
+
+       *retcode = -1;
+
+       if (!initial_plugin_paths) {
+               initial_plugin_paths = bt_value_array_create();
+               if (!initial_plugin_paths) {
+                       *retcode = 1;
+                       goto end;
+               }
+       } else {
+               bt_value_get_ref(initial_plugin_paths);
+       }
+
+       if (argc <= 1) {
+               print_version();
+               puts("");
+               print_gen_usage(stdout);
+               goto end;
+       }
+
+       for (i = 1; i < argc; i++) {
+               const char *cur_arg = argv[i];
+               const char *next_arg = i == (argc - 1) ? NULL : argv[i + 1];
+
+               if (strcmp(cur_arg, "-d") == 0 ||
+                               strcmp(cur_arg, "--debug") == 0) {
+                       log_level = 'V';
+               } else if (strcmp(cur_arg, "-v") == 0 ||
+                               strcmp(cur_arg, "--verbose") == 0) {
+                       if (log_level != 'V' && log_level != 'D') {
+                               /*
+                                * Legacy: do not override a previous
+                                * --debug because --verbose and --debug
+                                * can be specified together (in this
+                                * case we want the lowest log level to
+                                * apply, VERBOSE).
+                                */
+                               log_level = 'I';
+                       }
+               } else if (strcmp(cur_arg, "--log-level") == 0 ||
+                               strcmp(cur_arg, "-l") == 0) {
+                       if (!next_arg) {
+                               printf_err("Missing log level value for --log-level option\n");
+                               *retcode = 1;
+                               goto end;
+                       }
+
+                       log_level = log_level_from_arg(next_arg);
+                       if (log_level == 'U') {
+                               printf_err("Invalid argument for --log-level option:\n    %s\n",
+                                       next_arg);
+                               *retcode = 1;
+                               goto end;
+                       }
+
+                       i++;
+               } else if (strncmp(cur_arg, "--log-level=", 12) == 0) {
+                       const char *arg = &cur_arg[12];
+
+                       log_level = log_level_from_arg(arg);
+                       if (log_level == 'U') {
+                               printf_err("Invalid argument for --log-level option:\n    %s\n",
+                                       arg);
+                               *retcode = 1;
+                               goto end;
+                       }
+               } else if (strncmp(cur_arg, "-l", 2) == 0) {
+                       const char *arg = &cur_arg[2];
+
+                       log_level = log_level_from_arg(arg);
+                       if (log_level == 'U') {
+                               printf_err("Invalid argument for --log-level option:\n    %s\n",
+                                       arg);
+                               *retcode = 1;
+                               goto end;
+                       }
+               } else if (strcmp(cur_arg, "-V") == 0 ||
+                               strcmp(cur_arg, "--version") == 0) {
+                       print_version();
+                       goto end;
+               } else if (strcmp(cur_arg, "-h") == 0 ||
+                               strcmp(cur_arg, "--help") == 0) {
+                       print_gen_usage(stdout);
+                       goto end;
+               } else {
+                       /*
+                        * First unknown argument: is it a known command
+                        * name?
+                        */
+                       command_argv = &argv[i];
+                       command_argc = argc - i;
+
+                       if (strcmp(cur_arg, "convert") == 0) {
+                               command_type = COMMAND_TYPE_CONVERT;
+                       } else if (strcmp(cur_arg, "list-plugins") == 0) {
+                               command_type = COMMAND_TYPE_LIST_PLUGINS;
+                       } else if (strcmp(cur_arg, "help") == 0) {
+                               command_type = COMMAND_TYPE_HELP;
+                       } else if (strcmp(cur_arg, "query") == 0) {
+                               command_type = COMMAND_TYPE_QUERY;
+                       } else if (strcmp(cur_arg, "run") == 0) {
+                               command_type = COMMAND_TYPE_RUN;
+                       } else {
+                               /*
+                                * Unknown argument, but not a known
+                                * command name: assume the default
+                                * `convert` command.
+                                */
+                               command_type = COMMAND_TYPE_CONVERT;
+                               command_name = "convert";
+                               command_argv = &argv[i - 1];
+                               command_argc = argc - i + 1;
+                       }
+                       break;
+               }
+       }
+
+       if (command_type == COMMAND_TYPE_NONE) {
+               /*
+                * We only got non-help, non-version general options
+                * like --verbose and --debug, without any other
+                * arguments, so we can't do anything useful: print the
+                * usage and quit.
+                */
+               print_gen_usage(stdout);
+               goto end;
+       }
+
+       BT_ASSERT(command_argv);
+       BT_ASSERT(command_argc >= 0);
+
+       switch (command_type) {
+       case COMMAND_TYPE_RUN:
+               config = bt_config_run_from_args(command_argc, command_argv,
+                       retcode, force_omit_system_plugin_path,
+                       force_omit_home_plugin_path, initial_plugin_paths);
+               break;
+       case COMMAND_TYPE_CONVERT:
+               config = bt_config_convert_from_args(command_argc, command_argv,
+                       retcode, force_omit_system_plugin_path,
+                       force_omit_home_plugin_path,
+                       initial_plugin_paths, &log_level);
+               break;
+       case COMMAND_TYPE_LIST_PLUGINS:
+               config = bt_config_list_plugins_from_args(command_argc,
+                       command_argv, retcode, force_omit_system_plugin_path,
+                       force_omit_home_plugin_path, initial_plugin_paths);
+               break;
+       case COMMAND_TYPE_HELP:
+               config = bt_config_help_from_args(command_argc,
+                       command_argv, retcode, force_omit_system_plugin_path,
+                       force_omit_home_plugin_path, initial_plugin_paths);
+               break;
+       case COMMAND_TYPE_QUERY:
+               config = bt_config_query_from_args(command_argc,
+                       command_argv, retcode, force_omit_system_plugin_path,
+                       force_omit_home_plugin_path, initial_plugin_paths);
+               break;
+       default:
+               abort();
+       }
+
+       if (config) {
+               if (log_level == 'U') {
+                       log_level = 'W';
+               }
+
+               config->log_level = log_level;
+               config->command_name = command_name;
+       }
+
+end:
+       bt_value_put_ref(initial_plugin_paths);
+       return config;
+}
diff --git a/cli/babeltrace2-cfg-cli-args.h b/cli/babeltrace2-cfg-cli-args.h
new file mode 100644 (file)
index 0000000..66d2984
--- /dev/null
@@ -0,0 +1,41 @@
+#ifndef CLI_BABELTRACE_CFG_CLI_ARGS_H
+#define CLI_BABELTRACE_CFG_CLI_ARGS_H
+
+/*
+ * Copyright 2016-2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <babeltrace/value.h>
+#include <babeltrace/object-internal.h>
+#include <babeltrace/compiler-internal.h>
+#include <babeltrace/graph/component-class.h>
+#include <glib.h>
+
+#include "babeltrace2-cfg.h"
+
+struct bt_config *bt_config_cli_args_create(int argc, const char *argv[],
+               int *retcode, bool force_omit_system_plugin_path,
+               bool force_omit_home_plugin_path,
+               const bt_value *initial_plugin_paths);
+
+#endif /* CLI_BABELTRACE_CFG_CLI_ARGS_H */
diff --git a/cli/babeltrace2-cfg.c b/cli/babeltrace2-cfg.c
new file mode 100644 (file)
index 0000000..923afbd
--- /dev/null
@@ -0,0 +1,101 @@
+/*
+ * Babeltrace trace converter - parameter parsing
+ *
+ * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/common-internal.h>
+#include <babeltrace/babeltrace.h>
+#include <glib.h>
+#include "babeltrace2-cfg.h"
+
+static
+void destroy_gstring(void *data)
+{
+       g_string_free(data, TRUE);
+}
+
+/*
+ * Extracts the various paths from the string arg, delimited by ':',
+ * and appends them to the array value object plugin_paths.
+ */
+int bt_config_append_plugin_paths(
+               bt_value *plugin_paths, const char *arg)
+{
+       int ret = 0;
+       GPtrArray *dirs = g_ptr_array_new_with_free_func(destroy_gstring);
+       size_t i;
+
+       if (!dirs) {
+               ret = -1;
+               goto end;
+       }
+
+       ret = bt_common_append_plugin_path_dirs(arg, dirs);
+       if (ret) {
+               ret = -1;
+               goto end;
+       }
+
+       for (i = 0; i < dirs->len; i++) {
+               GString *dir = g_ptr_array_index(dirs, i);
+
+               ret = bt_value_array_append_string_element(
+                       plugin_paths, dir->str);
+               if (ret != BT_VALUE_STATUS_OK) {
+                       ret = -1;
+                       goto end;
+               }
+       }
+
+end:
+       g_ptr_array_free(dirs, TRUE);
+       return ret;
+}
+
+void bt_config_connection_destroy(struct bt_config_connection *connection)
+{
+       if (!connection) {
+               return;
+       }
+
+       if (connection->upstream_comp_name) {
+               g_string_free(connection->upstream_comp_name, TRUE);
+       }
+
+       if (connection->downstream_comp_name) {
+               g_string_free(connection->downstream_comp_name, TRUE);
+       }
+
+       if (connection->upstream_port_glob) {
+               g_string_free(connection->upstream_port_glob, TRUE);
+       }
+
+       if (connection->downstream_port_glob) {
+               g_string_free(connection->downstream_port_glob, TRUE);
+       }
+
+       if (connection->arg) {
+               g_string_free(connection->arg, TRUE);
+       }
+
+       g_free(connection);
+}
diff --git a/cli/babeltrace2-cfg.h b/cli/babeltrace2-cfg.h
new file mode 100644 (file)
index 0000000..6d98cd3
--- /dev/null
@@ -0,0 +1,142 @@
+#ifndef CLI_BABELTRACE_CFG_H
+#define CLI_BABELTRACE_CFG_H
+
+/*
+ * Babeltrace trace converter - CLI tool's configuration
+ *
+ * Copyright 2016-2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <babeltrace/value.h>
+#include <babeltrace/object-internal.h>
+#include <babeltrace/compiler-internal.h>
+#include <babeltrace/graph/component-class.h>
+#include <glib.h>
+
+enum bt_config_command {
+       BT_CONFIG_COMMAND_RUN,
+       BT_CONFIG_COMMAND_PRINT_CTF_METADATA,
+       BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS,
+       BT_CONFIG_COMMAND_LIST_PLUGINS,
+       BT_CONFIG_COMMAND_HELP,
+       BT_CONFIG_COMMAND_QUERY,
+};
+
+struct bt_config_component {
+       bt_object base;
+       bt_component_class_type type;
+       GString *plugin_name;
+       GString *comp_cls_name;
+       bt_value *params;
+       GString *instance_name;
+};
+
+struct bt_config_connection {
+       GString *upstream_comp_name;
+       GString *downstream_comp_name;
+       GString *upstream_port_glob;
+       GString *downstream_port_glob;
+       GString *arg;
+};
+
+struct bt_config {
+       bt_object base;
+       bool debug;
+       bool verbose;
+       bt_value *plugin_paths;
+       bool omit_system_plugin_path;
+       bool omit_home_plugin_path;
+       bool command_needs_plugins;
+       const char *command_name;
+       char log_level;
+       enum bt_config_command command;
+       union {
+               /* BT_CONFIG_COMMAND_RUN */
+               struct {
+                       /* Array of pointers to struct bt_config_component */
+                       GPtrArray *sources;
+
+                       /* Array of pointers to struct bt_config_component */
+                       GPtrArray *filters;
+
+                       /* Array of pointers to struct bt_config_component */
+                       GPtrArray *sinks;
+
+                       /* Array of pointers to struct bt_config_connection */
+                       GPtrArray *connections;
+
+                       /*
+                        * Number of microseconds to sleep when we need
+                        * to retry to run the graph.
+                        */
+                       uint64_t retry_duration_us;
+
+                       /*
+                        * Whether or not to trim the source trace to the
+                        * intersection of its streams.
+                        */
+                       bool stream_intersection_mode;
+               } run;
+
+               /* BT_CONFIG_COMMAND_HELP */
+               struct {
+                       struct bt_config_component *cfg_component;
+               } help;
+
+               /* BT_CONFIG_COMMAND_QUERY */
+               struct {
+                       GString *object;
+                       struct bt_config_component *cfg_component;
+               } query;
+
+               /* BT_CONFIG_COMMAND_PRINT_CTF_METADATA */
+               struct {
+                       GString *path;
+                       GString *output_path;
+               } print_ctf_metadata;
+
+               /* BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS */
+               struct {
+                       GString *url;
+                       GString *output_path;
+               } print_lttng_live_sessions;
+       } cmd_data;
+};
+
+static inline
+struct bt_config_component *bt_config_get_component(GPtrArray *array,
+               size_t index)
+{
+       struct bt_config_component *comp = g_ptr_array_index(array, index);
+
+       bt_object_get_ref(comp);
+       return comp;
+}
+
+int bt_config_append_plugin_paths(bt_value *plugin_paths,
+               const char *arg);
+
+void bt_config_connection_destroy(struct bt_config_connection *connection);
+
+#endif /* CLI_BABELTRACE_CFG_H */
diff --git a/cli/babeltrace2-log.c b/cli/babeltrace2-log.c
new file mode 100644 (file)
index 0000000..4d97b90
--- /dev/null
@@ -0,0 +1,168 @@
+/*
+ * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+#include <babeltrace/assert-internal.h>
+#include <babeltrace/babeltrace.h>
+#include <popt.h>
+#include <glib.h>
+
+static
+void print_usage(FILE *fp)
+{
+       fprintf(stderr, "Usage: babeltrace2-log [OPTIONS] OUTPUT-PATH\n");
+       fprintf(stderr, "\n");
+       fprintf(stderr, "Options:\n");
+       fprintf(stderr, "\n");
+       fprintf(stderr, "  -t, --with-timestamps  Extract timestamps from lines and map them to\n");
+       fprintf(stderr, "                         a CTF clock class\n");
+}
+
+static
+int parse_params(int argc, char *argv[], char **output_path,
+               bool *no_extract_ts)
+{
+       enum {
+               OPT_WITH_TIMESTAMPS = 1,
+               OPT_HELP = 2,
+       };
+       static struct poptOption opts[] = {
+               { "with-timestamps", 't', POPT_ARG_NONE, NULL, OPT_WITH_TIMESTAMPS, NULL, NULL },
+               { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+               { NULL, '\0', 0, NULL, 0, NULL, NULL },
+       };
+       poptContext pc = NULL;
+       int opt;
+       int ret = 0;
+       const char *leftover;
+
+       *no_extract_ts = true;
+       pc = poptGetContext(NULL, argc, (const char **) argv, opts, 0);
+       if (!pc) {
+               fprintf(stderr, "Cannot get popt context\n");
+               goto error;
+       }
+
+       poptReadDefaultConfig(pc, 0);
+
+       while ((opt = poptGetNextOpt(pc)) > 0) {
+               switch (opt) {
+               case OPT_HELP:
+                       print_usage(stdout);
+                       goto end;
+               case OPT_WITH_TIMESTAMPS:
+                       *no_extract_ts = false;
+                       break;
+               default:
+                       fprintf(stderr, "Unknown command-line option specified (option code %d)\n",
+                               opt);
+                       goto error;
+               }
+       }
+
+       if (opt < -1) {
+               fprintf(stderr, "While parsing command-line options, at option %s: %s\n",
+                       poptBadOption(pc, 0), poptStrerror(opt));
+               goto error;
+       }
+
+       leftover = poptGetArg(pc);
+       if (!leftover) {
+               fprintf(stderr, "Command line error: Missing output path\n");
+               print_usage(stderr);
+               goto error;
+       }
+
+       *output_path = strdup(leftover);
+       BT_ASSERT(*output_path);
+       goto end;
+
+error:
+       ret = 1;
+
+end:
+       if (pc) {
+               poptFreeContext(pc);
+       }
+
+       return ret;
+}
+
+int main(int argc, char *argv[])
+{
+       char *output_path = NULL;
+       bool no_extract_ts;
+       int retcode;
+       GError *error = NULL;
+       gchar *bt_argv[] = {
+               BT_CLI_PATH,
+               "run",
+               "--component",
+               "dmesg:src.text.dmesg",
+               "--params",
+               NULL, /* no-extract-timestamp=? placeholder */
+               "--component",
+               "ctf:sink.ctf.fs",
+               "--key",
+               "path",
+               "--value",
+               NULL, /* output path placeholder */
+               "--params",
+               "single-trace=yes",
+               "--connect",
+               "dmesg:ctf",
+               NULL, /* sentinel */
+       };
+
+       retcode = parse_params(argc, argv, &output_path, &no_extract_ts);
+       if (retcode) {
+               goto end;
+       }
+
+       if (no_extract_ts) {
+               bt_argv[5] = "no-extract-timestamp=yes";
+       } else {
+               bt_argv[5] = "no-extract-timestamp=no";
+       }
+
+       bt_argv[11] = output_path;
+       (void) g_spawn_sync(NULL, bt_argv, NULL,
+               G_SPAWN_CHILD_INHERITS_STDIN, NULL, NULL,
+               NULL, NULL, &retcode, &error);
+
+       if (error) {
+               fprintf(stderr, "Failed to execute \"%s\": %s (%d)\n",
+                       bt_argv[0], error->message, error->code);
+       }
+
+end:
+       free(output_path);
+
+       if (error) {
+               g_error_free(error);
+       }
+
+       return retcode;
+}
diff --git a/cli/babeltrace2.c b/cli/babeltrace2.c
new file mode 100644 (file)
index 0000000..a8a0dc0
--- /dev/null
@@ -0,0 +1,2950 @@
+/*
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#define BT_LOG_TAG "CLI"
+#include "logging.h"
+
+#include <babeltrace/babeltrace.h>
+#include <babeltrace/common-internal.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <popt.h>
+#include <string.h>
+#include <stdio.h>
+#include <glib.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <signal.h>
+#include "babeltrace2-cfg.h"
+#include "babeltrace2-cfg-cli-args.h"
+#include "babeltrace2-cfg-cli-args-default.h"
+
+#define ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH "BABELTRACE_CLI_WARN_COMMAND_NAME_DIRECTORY_CLASH"
+#define ENV_BABELTRACE_CLI_LOG_LEVEL "BABELTRACE_CLI_LOG_LEVEL"
+#define NSEC_PER_SEC   1000000000LL
+
+/*
+ * Known environment variable names for the log levels of the project's
+ * modules.
+ */
+static const char* log_level_env_var_names[] = {
+       "BABELTRACE_COMMON_LOG_LEVEL",
+       "BABELTRACE_COMPAT_LOG_LEVEL",
+       "BABELTRACE_CTFSER_LOG_LEVEL",
+       "BABELTRACE_FD_CACHE_LOG_LEVEL",
+       "BABELTRACE_FLT_LTTNG_UTILS_DEBUG_INFO_LOG_LEVEL",
+       "BABELTRACE_FLT_UTILS_COUNTER_LOG_LEVEL",
+       "BABELTRACE_FLT_UTILS_MUXER_LOG_LEVEL",
+       "BABELTRACE_FLT_UTILS_TRIMMER_LOG_LEVEL",
+       "BABELTRACE_PLUGIN_CTF_BFCR_LOG_LEVEL",
+       "BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
+       "BABELTRACE_PLUGIN_CTF_MSG_ITER_LOG_LEVEL",
+       "BABELTRACE_PLUGIN_CTF_UTILS_LOG_LEVEL",
+       "BABELTRACE_PYTHON_BT2_LOG_LEVEL",
+       "BABELTRACE_SINK_CTF_FS_LOG_LEVEL",
+       "BABELTRACE_SINK_TEXT_PRETTY_LOG_LEVEL",
+       "BABELTRACE_SRC_CTF_FS_LOG_LEVEL",
+       "BABELTRACE_SRC_CTF_LTTNG_LIVE_LOG_LEVEL",
+       "BABELTRACE_SRC_TEXT_DMESG_LOG_LEVEL",
+       NULL,
+};
+
+/* Application's processing graph (weak) */
+static bt_graph *the_graph;
+static bt_query_executor *the_query_executor;
+static bool canceled = false;
+
+GPtrArray *loaded_plugins;
+
+#ifdef __MINGW32__
+
+#include <windows.h>
+
+static
+BOOL WINAPI signal_handler(DWORD signal) {
+       if (the_graph) {
+               bt_graph_cancel(the_graph);
+       }
+
+       canceled = true;
+
+       return TRUE;
+}
+
+static
+void set_signal_handler(void)
+{
+       if (!SetConsoleCtrlHandler(signal_handler, TRUE)) {
+               BT_LOGE("Failed to set the ctrl+c handler.");
+       }
+}
+
+#else /* __MINGW32__ */
+
+static
+void signal_handler(int signum)
+{
+       if (signum != SIGINT) {
+               return;
+       }
+
+       if (the_graph) {
+               bt_graph_cancel(the_graph);
+       }
+
+       if (the_query_executor) {
+               bt_query_executor_cancel(the_query_executor);
+       }
+
+       canceled = true;
+}
+
+static
+void set_signal_handler(void)
+{
+       struct sigaction new_action, old_action;
+
+       new_action.sa_handler = signal_handler;
+       sigemptyset(&new_action.sa_mask);
+       new_action.sa_flags = 0;
+       sigaction(SIGINT, NULL, &old_action);
+
+       if (old_action.sa_handler != SIG_IGN) {
+               sigaction(SIGINT, &new_action, NULL);
+       }
+}
+
+#endif /* __MINGW32__ */
+
+static
+void init_static_data(void)
+{
+       loaded_plugins = g_ptr_array_new_with_free_func(
+               (GDestroyNotify) bt_object_put_ref);
+}
+
+static
+void fini_static_data(void)
+{
+       g_ptr_array_free(loaded_plugins, TRUE);
+}
+
+static
+int create_the_query_executor(void)
+{
+       int ret = 0;
+
+       the_query_executor = bt_query_executor_create();
+       if (!the_query_executor) {
+               BT_LOGE_STR("Cannot create a query executor.");
+               ret = -1;
+       }
+
+       return ret;
+}
+
+static
+void destroy_the_query_executor(void)
+{
+       BT_QUERY_EXECUTOR_PUT_REF_AND_RESET(the_query_executor);
+}
+
+static
+int query(const bt_component_class *comp_cls, const char *obj,
+               const bt_value *params, const bt_value **user_result,
+               const char **fail_reason)
+{
+       const bt_value *result = NULL;
+       bt_query_executor_status status;
+       *fail_reason = "unknown error";
+       int ret = 0;
+
+       BT_ASSERT(fail_reason);
+       BT_ASSERT(user_result);
+       ret = create_the_query_executor();
+       if (ret) {
+               /* create_the_query_executor() logs errors */
+               goto end;
+       }
+
+       if (canceled) {
+               BT_LOGI("Canceled by user before executing the query: "
+                       "comp-cls-addr=%p, comp-cls-name=\"%s\", "
+                       "query-obj=\"%s\"", comp_cls,
+                       bt_component_class_get_name(comp_cls), obj);
+               *fail_reason = "canceled by user";
+               goto error;
+       }
+
+       while (true) {
+               status = bt_query_executor_query(the_query_executor,
+                       comp_cls, obj, params, &result);
+               switch (status) {
+               case BT_QUERY_EXECUTOR_STATUS_OK:
+                       goto ok;
+               case BT_QUERY_EXECUTOR_STATUS_AGAIN:
+               {
+                       const uint64_t sleep_time_us = 100000;
+
+                       /* Wait 100 ms and retry */
+                       BT_LOGV("Got BT_QUERY_EXECUTOR_STATUS_AGAIN: sleeping: "
+                               "time-us=%" PRIu64, sleep_time_us);
+
+                       if (usleep(sleep_time_us)) {
+                               if (bt_query_executor_is_canceled(the_query_executor)) {
+                                       BT_LOGI("Query was canceled by user: "
+                                               "comp-cls-addr=%p, comp-cls-name=\"%s\", "
+                                               "query-obj=\"%s\"", comp_cls,
+                                               bt_component_class_get_name(comp_cls),
+                                               obj);
+                                       *fail_reason = "canceled by user";
+                                       goto error;
+                               }
+                       }
+
+                       continue;
+               }
+               case BT_QUERY_EXECUTOR_STATUS_CANCELED:
+                       *fail_reason = "canceled by user";
+                       goto error;
+               case BT_QUERY_EXECUTOR_STATUS_ERROR:
+                       goto error;
+               case BT_QUERY_EXECUTOR_STATUS_INVALID_OBJECT:
+                       *fail_reason = "invalid or unknown query object";
+                       goto error;
+               case BT_QUERY_EXECUTOR_STATUS_INVALID_PARAMS:
+                       *fail_reason = "invalid query parameters";
+                       goto error;
+               case BT_QUERY_EXECUTOR_STATUS_UNSUPPORTED:
+                       *fail_reason = "unsupported action";
+                       goto error;
+               case BT_QUERY_EXECUTOR_STATUS_NOMEM:
+                       *fail_reason = "not enough memory";
+                       goto error;
+               default:
+                       BT_LOGF("Unknown query status: status=%d", status);
+                       abort();
+               }
+       }
+
+ok:
+       *user_result = result;
+       result = NULL;
+       goto end;
+
+error:
+       ret = -1;
+
+end:
+       destroy_the_query_executor();
+       bt_value_put_ref(result);
+       return ret;
+}
+
+static
+const bt_plugin *find_plugin(const char *name)
+{
+       int i;
+       const bt_plugin *plugin = NULL;
+
+       BT_ASSERT(name);
+       BT_LOGD("Finding plugin: name=\"%s\"", name);
+
+       for (i = 0; i < loaded_plugins->len; i++) {
+               plugin = g_ptr_array_index(loaded_plugins, i);
+
+               if (strcmp(name, bt_plugin_get_name(plugin)) == 0) {
+                       break;
+               }
+
+               plugin = NULL;
+       }
+
+       if (BT_LOG_ON_DEBUG) {
+               if (plugin) {
+                       BT_LOGD("Found plugin: plugin-addr=%p", plugin);
+               } else {
+                       BT_LOGD("Cannot find plugin.");
+               }
+       }
+
+       bt_plugin_get_ref(plugin);
+       return plugin;
+}
+
+typedef const void *(*plugin_borrow_comp_cls_func_t)(
+               const bt_plugin *, const char *);
+
+static
+const void *find_component_class_from_plugin(const char *plugin_name,
+               const char *comp_class_name,
+               plugin_borrow_comp_cls_func_t plugin_borrow_comp_cls_func)
+{
+       const void *comp_class = NULL;
+       const bt_plugin *plugin;
+
+       BT_LOGD("Finding component class: plugin-name=\"%s\", "
+               "comp-cls-name=\"%s\"", plugin_name, comp_class_name);
+
+       plugin = find_plugin(plugin_name);
+       if (!plugin) {
+               goto end;
+       }
+
+       comp_class = plugin_borrow_comp_cls_func(plugin, comp_class_name);
+       bt_object_get_ref(comp_class);
+       BT_PLUGIN_PUT_REF_AND_RESET(plugin);
+
+end:
+       if (BT_LOG_ON_DEBUG) {
+               if (comp_class) {
+                       BT_LOGD("Found component class: comp-cls-addr=%p",
+                               comp_class);
+               } else {
+                       BT_LOGD("Cannot find source component class.");
+               }
+       }
+
+       return comp_class;
+}
+
+static
+const bt_component_class_source *find_source_component_class(
+               const char *plugin_name, const char *comp_class_name)
+{
+       return (const void *) find_component_class_from_plugin(
+               plugin_name, comp_class_name,
+               (plugin_borrow_comp_cls_func_t)
+                       bt_plugin_borrow_source_component_class_by_name_const);
+}
+
+static
+const bt_component_class_filter *find_filter_component_class(
+               const char *plugin_name, const char *comp_class_name)
+{
+       return (const void *) find_component_class_from_plugin(
+               plugin_name, comp_class_name,
+               (plugin_borrow_comp_cls_func_t)
+                       bt_plugin_borrow_filter_component_class_by_name_const);
+}
+
+static
+const bt_component_class_sink *find_sink_component_class(
+               const char *plugin_name, const char *comp_class_name)
+{
+       return (const void *) find_component_class_from_plugin(plugin_name,
+               comp_class_name,
+               (plugin_borrow_comp_cls_func_t)
+                       bt_plugin_borrow_sink_component_class_by_name_const);
+}
+
+static
+const bt_component_class *find_component_class(const char *plugin_name,
+               const char *comp_class_name,
+               bt_component_class_type comp_class_type)
+{
+       const bt_component_class *comp_cls = NULL;
+
+       switch (comp_class_type) {
+       case BT_COMPONENT_CLASS_TYPE_SOURCE:
+               comp_cls = bt_component_class_source_as_component_class_const(find_source_component_class(plugin_name, comp_class_name));
+               break;
+       case BT_COMPONENT_CLASS_TYPE_FILTER:
+               comp_cls = bt_component_class_filter_as_component_class_const(find_filter_component_class(plugin_name, comp_class_name));
+               break;
+       case BT_COMPONENT_CLASS_TYPE_SINK:
+               comp_cls = bt_component_class_sink_as_component_class_const(find_sink_component_class(plugin_name, comp_class_name));
+               break;
+       default:
+               abort();
+       }
+
+       return comp_cls;
+}
+
+static
+void print_indent(FILE *fp, size_t indent)
+{
+       size_t i;
+
+       for (i = 0; i < indent; i++) {
+               fprintf(fp, " ");
+       }
+}
+
+static
+const char *component_type_str(bt_component_class_type type)
+{
+       switch (type) {
+       case BT_COMPONENT_CLASS_TYPE_SOURCE:
+               return "source";
+       case BT_COMPONENT_CLASS_TYPE_SINK:
+               return "sink";
+       case BT_COMPONENT_CLASS_TYPE_FILTER:
+               return "filter";
+       default:
+               return "(unknown)";
+       }
+}
+
+static
+void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
+               const char *comp_cls_name, bt_component_class_type type)
+{
+       GString *shell_plugin_name = NULL;
+       GString *shell_comp_cls_name = NULL;
+
+       shell_plugin_name = bt_common_shell_quote(plugin_name, false);
+       if (!shell_plugin_name) {
+               goto end;
+       }
+
+       shell_comp_cls_name = bt_common_shell_quote(comp_cls_name, false);
+       if (!shell_comp_cls_name) {
+               goto end;
+       }
+
+       fprintf(fh, "'%s%s%s%s.%s%s%s.%s%s%s'",
+               bt_common_color_bold(),
+               bt_common_color_fg_cyan(),
+               component_type_str(type),
+               bt_common_color_fg_default(),
+               bt_common_color_fg_blue(),
+               shell_plugin_name->str,
+               bt_common_color_fg_default(),
+               bt_common_color_fg_yellow(),
+               shell_comp_cls_name->str,
+               bt_common_color_reset());
+
+end:
+       if (shell_plugin_name) {
+               g_string_free(shell_plugin_name, TRUE);
+       }
+
+       if (shell_comp_cls_name) {
+               g_string_free(shell_comp_cls_name, TRUE);
+       }
+}
+
+static
+void print_value(FILE *, const bt_value *, size_t);
+
+static
+void print_value_rec(FILE *, const bt_value *, size_t);
+
+struct print_map_value_data {
+       size_t indent;
+       FILE *fp;
+};
+
+static
+bt_bool print_map_value(const char *key, const bt_value *object,
+               void *data)
+{
+       struct print_map_value_data *print_map_value_data = data;
+
+       print_indent(print_map_value_data->fp, print_map_value_data->indent);
+       fprintf(print_map_value_data->fp, "%s: ", key);
+       BT_ASSERT(object);
+
+       if (bt_value_is_array(object) &&
+                       bt_value_array_is_empty(object)) {
+               fprintf(print_map_value_data->fp, "[ ]\n");
+               return true;
+       }
+
+       if (bt_value_is_map(object) &&
+                       bt_value_map_is_empty(object)) {
+               fprintf(print_map_value_data->fp, "{ }\n");
+               return true;
+       }
+
+       if (bt_value_is_array(object) ||
+                       bt_value_is_map(object)) {
+               fprintf(print_map_value_data->fp, "\n");
+       }
+
+       print_value_rec(print_map_value_data->fp, object,
+               print_map_value_data->indent + 2);
+       return BT_TRUE;
+}
+
+static
+void print_value_rec(FILE *fp, const bt_value *value, size_t indent)
+{
+       bt_bool bool_val;
+       int64_t int_val;
+       uint64_t uint_val;
+       double dbl_val;
+       const char *str_val;
+       int size;
+       int i;
+
+       if (!value) {
+               return;
+       }
+
+       switch (bt_value_get_type(value)) {
+       case BT_VALUE_TYPE_NULL:
+               fprintf(fp, "%snull%s\n", bt_common_color_bold(),
+                       bt_common_color_reset());
+               break;
+       case BT_VALUE_TYPE_BOOL:
+               bool_val = bt_value_bool_get(value);
+               fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
+                       bt_common_color_fg_cyan(), bool_val ? "yes" : "no",
+                       bt_common_color_reset());
+               break;
+       case BT_VALUE_TYPE_UNSIGNED_INTEGER:
+               uint_val = bt_value_unsigned_integer_get(value);
+               fprintf(fp, "%s%s%" PRIu64 "%s\n", bt_common_color_bold(),
+                       bt_common_color_fg_red(), uint_val,
+                       bt_common_color_reset());
+               break;
+       case BT_VALUE_TYPE_SIGNED_INTEGER:
+               int_val = bt_value_signed_integer_get(value);
+               fprintf(fp, "%s%s%" PRId64 "%s\n", bt_common_color_bold(),
+                       bt_common_color_fg_red(), int_val,
+                       bt_common_color_reset());
+               break;
+       case BT_VALUE_TYPE_REAL:
+               dbl_val = bt_value_real_get(value);
+               fprintf(fp, "%s%s%lf%s\n", bt_common_color_bold(),
+                       bt_common_color_fg_red(), dbl_val,
+                       bt_common_color_reset());
+               break;
+       case BT_VALUE_TYPE_STRING:
+               str_val = bt_value_string_get(value);
+               fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
+                       bt_common_color_fg_green(), str_val,
+                       bt_common_color_reset());
+               break;
+       case BT_VALUE_TYPE_ARRAY:
+               size = bt_value_array_get_size(value);
+               if (size < 0) {
+                       goto error;
+               }
+
+               if (size == 0) {
+                       print_indent(fp, indent);
+                       fprintf(fp, "[ ]\n");
+                       break;
+               }
+
+               for (i = 0; i < size; i++) {
+                       const bt_value *element =
+                               bt_value_array_borrow_element_by_index_const(
+                                       value, i);
+
+                       if (!element) {
+                               goto error;
+                       }
+                       print_indent(fp, indent);
+                       fprintf(fp, "- ");
+
+                       if (bt_value_is_array(element) &&
+                                       bt_value_array_is_empty(element)) {
+                               fprintf(fp, "[ ]\n");
+                               continue;
+                       }
+
+                       if (bt_value_is_map(element) &&
+                                       bt_value_map_is_empty(element)) {
+                               fprintf(fp, "{ }\n");
+                               continue;
+                       }
+
+                       if (bt_value_is_array(element) ||
+                                       bt_value_is_map(element)) {
+                               fprintf(fp, "\n");
+                       }
+
+                       print_value_rec(fp, element, indent + 2);
+               }
+               break;
+       case BT_VALUE_TYPE_MAP:
+       {
+               struct print_map_value_data data = {
+                       .indent = indent,
+                       .fp = fp,
+               };
+
+               if (bt_value_map_is_empty(value)) {
+                       print_indent(fp, indent);
+                       fprintf(fp, "{ }\n");
+                       break;
+               }
+
+               bt_value_map_foreach_entry_const(value, print_map_value, &data);
+               break;
+       }
+       default:
+               abort();
+       }
+       return;
+
+error:
+       BT_LOGE("Error printing value of type %s.",
+               bt_common_value_type_string(bt_value_get_type(value)));
+}
+
+static
+void print_value(FILE *fp, const bt_value *value, size_t indent)
+{
+       if (!bt_value_is_array(value) && !bt_value_is_map(value)) {
+               print_indent(fp, indent);
+       }
+
+       print_value_rec(fp, value, indent);
+}
+
+static
+void print_bt_config_component(struct bt_config_component *bt_config_component)
+{
+       fprintf(stderr, "    ");
+       print_plugin_comp_cls_opt(stderr, bt_config_component->plugin_name->str,
+               bt_config_component->comp_cls_name->str,
+               bt_config_component->type);
+       fprintf(stderr, ":\n");
+
+       if (bt_config_component->instance_name->len > 0) {
+               fprintf(stderr, "      Name: %s\n",
+                       bt_config_component->instance_name->str);
+       }
+
+       fprintf(stderr, "      Parameters:\n");
+       print_value(stderr, bt_config_component->params, 8);
+}
+
+static
+void print_bt_config_components(GPtrArray *array)
+{
+       size_t i;
+
+       for (i = 0; i < array->len; i++) {
+               struct bt_config_component *cfg_component =
+                               bt_config_get_component(array, i);
+               print_bt_config_component(cfg_component);
+               BT_OBJECT_PUT_REF_AND_RESET(cfg_component);
+       }
+}
+
+static
+void print_plugin_paths(const bt_value *plugin_paths)
+{
+       fprintf(stderr, "  Plugin paths:\n");
+       print_value(stderr, plugin_paths, 4);
+}
+
+static
+void print_cfg_run(struct bt_config *cfg)
+{
+       size_t i;
+
+       print_plugin_paths(cfg->plugin_paths);
+       fprintf(stderr, "  Source component instances:\n");
+       print_bt_config_components(cfg->cmd_data.run.sources);
+
+       if (cfg->cmd_data.run.filters->len > 0) {
+               fprintf(stderr, "  Filter component instances:\n");
+               print_bt_config_components(cfg->cmd_data.run.filters);
+       }
+
+       fprintf(stderr, "  Sink component instances:\n");
+       print_bt_config_components(cfg->cmd_data.run.sinks);
+       fprintf(stderr, "  Connections:\n");
+
+       for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+               struct bt_config_connection *cfg_connection =
+                       g_ptr_array_index(cfg->cmd_data.run.connections,
+                               i);
+
+               fprintf(stderr, "    %s%s%s -> %s%s%s\n",
+                       cfg_connection->upstream_comp_name->str,
+                       cfg_connection->upstream_port_glob->len > 0 ? "." : "",
+                       cfg_connection->upstream_port_glob->str,
+                       cfg_connection->downstream_comp_name->str,
+                       cfg_connection->downstream_port_glob->len > 0 ? "." : "",
+                       cfg_connection->downstream_port_glob->str);
+       }
+}
+
+static
+void print_cfg_list_plugins(struct bt_config *cfg)
+{
+       print_plugin_paths(cfg->plugin_paths);
+}
+
+static
+void print_cfg_help(struct bt_config *cfg)
+{
+       print_plugin_paths(cfg->plugin_paths);
+}
+
+static
+void print_cfg_print_ctf_metadata(struct bt_config *cfg)
+{
+       print_plugin_paths(cfg->plugin_paths);
+       fprintf(stderr, "  Path: %s\n",
+               cfg->cmd_data.print_ctf_metadata.path->str);
+}
+
+static
+void print_cfg_print_lttng_live_sessions(struct bt_config *cfg)
+{
+       print_plugin_paths(cfg->plugin_paths);
+       fprintf(stderr, "  URL: %s\n",
+               cfg->cmd_data.print_lttng_live_sessions.url->str);
+}
+
+static
+void print_cfg_query(struct bt_config *cfg)
+{
+       print_plugin_paths(cfg->plugin_paths);
+       fprintf(stderr, "  Object: `%s`\n", cfg->cmd_data.query.object->str);
+       fprintf(stderr, "  Component class:\n");
+       print_bt_config_component(cfg->cmd_data.query.cfg_component);
+}
+
+static
+void print_cfg(struct bt_config *cfg)
+{
+       if (!BT_LOG_ON_INFO) {
+               return;
+       }
+
+       BT_LOGI_STR("Configuration:");
+       fprintf(stderr, "  Debug mode: %s\n", cfg->debug ? "yes" : "no");
+       fprintf(stderr, "  Verbose mode: %s\n", cfg->verbose ? "yes" : "no");
+
+       switch (cfg->command) {
+       case BT_CONFIG_COMMAND_RUN:
+               print_cfg_run(cfg);
+               break;
+       case BT_CONFIG_COMMAND_LIST_PLUGINS:
+               print_cfg_list_plugins(cfg);
+               break;
+       case BT_CONFIG_COMMAND_HELP:
+               print_cfg_help(cfg);
+               break;
+       case BT_CONFIG_COMMAND_QUERY:
+               print_cfg_query(cfg);
+               break;
+       case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
+               print_cfg_print_ctf_metadata(cfg);
+               break;
+       case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
+               print_cfg_print_lttng_live_sessions(cfg);
+               break;
+       default:
+               abort();
+       }
+}
+
+static
+void add_to_loaded_plugins(const bt_plugin_set *plugin_set)
+{
+       int64_t i;
+       int64_t count;
+
+       count = bt_plugin_set_get_plugin_count(plugin_set);
+       BT_ASSERT(count >= 0);
+
+       for (i = 0; i < count; i++) {
+               const bt_plugin *plugin =
+                       bt_plugin_set_borrow_plugin_by_index_const(plugin_set, i);
+               const bt_plugin *loaded_plugin =
+                       find_plugin(bt_plugin_get_name(plugin));
+
+               BT_ASSERT(plugin);
+
+               if (loaded_plugin) {
+                       BT_LOGI("Not using plugin: another one already exists with the same name: "
+                               "plugin-name=\"%s\", plugin-path=\"%s\", "
+                               "existing-plugin-path=\"%s\"",
+                               bt_plugin_get_name(plugin),
+                               bt_plugin_get_path(plugin),
+                               bt_plugin_get_path(loaded_plugin));
+                       bt_plugin_put_ref(loaded_plugin);
+               } else {
+                       /* Add to global array. */
+                       BT_LOGD("Adding plugin to loaded plugins: plugin-path=\"%s\"",
+                               bt_plugin_get_name(plugin));
+                       bt_plugin_get_ref(plugin);
+                       g_ptr_array_add(loaded_plugins, (void *) plugin);
+               }
+       }
+}
+
+static
+int load_dynamic_plugins(const bt_value *plugin_paths)
+{
+       int nr_paths, i, ret = 0;
+
+       nr_paths = bt_value_array_get_size(plugin_paths);
+       if (nr_paths < 0) {
+               BT_LOGE_STR("Cannot load dynamic plugins: no plugin path.");
+               ret = -1;
+               goto end;
+       }
+
+       BT_LOGI("Loading dynamic plugins.");
+
+       for (i = 0; i < nr_paths; i++) {
+               const bt_value *plugin_path_value = NULL;
+               const char *plugin_path;
+               const bt_plugin_set *plugin_set;
+
+               plugin_path_value =
+                       bt_value_array_borrow_element_by_index_const(
+                               plugin_paths, i);
+               plugin_path = bt_value_string_get(plugin_path_value);
+
+               /*
+                * Skip this if the directory does not exist because
+                * bt_plugin_find_all_from_dir() expects an existing
+                * directory.
+                */
+               if (!g_file_test(plugin_path, G_FILE_TEST_IS_DIR)) {
+                       BT_LOGV("Skipping nonexistent directory path: "
+                               "path=\"%s\"", plugin_path);
+                       continue;
+               }
+
+               plugin_set = bt_plugin_find_all_from_dir(plugin_path, false);
+               if (!plugin_set) {
+                       BT_LOGD("Unable to load dynamic plugins: path=\"%s\"",
+                               plugin_path);
+                       continue;
+               }
+
+               add_to_loaded_plugins(plugin_set);
+               bt_plugin_set_put_ref(plugin_set);
+       }
+end:
+       return ret;
+}
+
+static
+int load_static_plugins(void)
+{
+       int ret = 0;
+       const bt_plugin_set *plugin_set;
+
+       BT_LOGI("Loading static plugins.");
+       plugin_set = bt_plugin_find_all_from_static();
+       if (!plugin_set) {
+               BT_LOGE("Unable to load static plugins.");
+               ret = -1;
+               goto end;
+       }
+
+       add_to_loaded_plugins(plugin_set);
+       bt_plugin_set_put_ref(plugin_set);
+end:
+       return ret;
+}
+
+static
+int load_all_plugins(const bt_value *plugin_paths)
+{
+       int ret = 0;
+
+       if (load_dynamic_plugins(plugin_paths)) {
+               ret = -1;
+               goto end;
+       }
+
+       if (load_static_plugins()) {
+               ret = -1;
+               goto end;
+       }
+
+       BT_LOGI("Loaded all plugins: count=%u", loaded_plugins->len);
+
+end:
+       return ret;
+}
+
+static
+void print_plugin_info(const bt_plugin *plugin)
+{
+       unsigned int major, minor, patch;
+       const char *extra;
+       bt_property_availability version_avail;
+       const char *plugin_name;
+       const char *path;
+       const char *author;
+       const char *license;
+       const char *plugin_description;
+
+       plugin_name = bt_plugin_get_name(plugin);
+       path = bt_plugin_get_path(plugin);
+       author = bt_plugin_get_author(plugin);
+       license = bt_plugin_get_license(plugin);
+       plugin_description = bt_plugin_get_description(plugin);
+       version_avail = bt_plugin_get_version(plugin, &major, &minor,
+               &patch, &extra);
+       printf("%s%s%s%s:\n", bt_common_color_bold(),
+               bt_common_color_fg_blue(), plugin_name,
+               bt_common_color_reset());
+       if (path) {
+               printf("  %sPath%s: %s\n", bt_common_color_bold(),
+                       bt_common_color_reset(), path);
+       } else {
+               puts("  Built-in");
+       }
+
+       if (version_avail == BT_PROPERTY_AVAILABILITY_AVAILABLE) {
+               printf("  %sVersion%s: %u.%u.%u",
+                       bt_common_color_bold(), bt_common_color_reset(),
+                       major, minor, patch);
+
+               if (extra) {
+                       printf("%s", extra);
+               }
+
+               printf("\n");
+       }
+
+       printf("  %sDescription%s: %s\n", bt_common_color_bold(),
+               bt_common_color_reset(),
+               plugin_description ? plugin_description : "(None)");
+       printf("  %sAuthor%s: %s\n", bt_common_color_bold(),
+               bt_common_color_reset(), author ? author : "(Unknown)");
+       printf("  %sLicense%s: %s\n", bt_common_color_bold(),
+               bt_common_color_reset(),
+               license ? license : "(Unknown)");
+}
+
+static
+int cmd_query(struct bt_config *cfg)
+{
+       int ret = 0;
+       const bt_component_class *comp_cls = NULL;
+       const bt_value *results = NULL;
+       const char *fail_reason = NULL;
+
+       comp_cls = find_component_class(
+               cfg->cmd_data.query.cfg_component->plugin_name->str,
+               cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+               cfg->cmd_data.query.cfg_component->type);
+       if (!comp_cls) {
+               BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+                       "comp-cls-name=\"%s\", comp-cls-type=%d",
+                       cfg->cmd_data.query.cfg_component->plugin_name->str,
+                       cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+                       cfg->cmd_data.query.cfg_component->type);
+               fprintf(stderr, "%s%sCannot find component class %s",
+                       bt_common_color_bold(),
+                       bt_common_color_fg_red(),
+                       bt_common_color_reset());
+               print_plugin_comp_cls_opt(stderr,
+                       cfg->cmd_data.query.cfg_component->plugin_name->str,
+                       cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+                       cfg->cmd_data.query.cfg_component->type);
+               fprintf(stderr, "\n");
+               ret = -1;
+               goto end;
+       }
+
+       ret = query(comp_cls, cfg->cmd_data.query.object->str,
+               cfg->cmd_data.query.cfg_component->params,
+               &results, &fail_reason);
+       if (ret) {
+               goto failed;
+       }
+
+       print_value(stdout, results, 0);
+       goto end;
+
+failed:
+       BT_LOGE("Failed to query component class: %s: plugin-name=\"%s\", "
+               "comp-cls-name=\"%s\", comp-cls-type=%d "
+               "object=\"%s\"", fail_reason,
+               cfg->cmd_data.query.cfg_component->plugin_name->str,
+               cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+               cfg->cmd_data.query.cfg_component->type,
+               cfg->cmd_data.query.object->str);
+       fprintf(stderr, "%s%sFailed to query info to %s",
+               bt_common_color_bold(),
+               bt_common_color_fg_red(),
+               bt_common_color_reset());
+       print_plugin_comp_cls_opt(stderr,
+               cfg->cmd_data.query.cfg_component->plugin_name->str,
+               cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+               cfg->cmd_data.query.cfg_component->type);
+       fprintf(stderr, "%s%s with object `%s`: %s%s\n",
+               bt_common_color_bold(),
+               bt_common_color_fg_red(),
+               cfg->cmd_data.query.object->str,
+               fail_reason,
+               bt_common_color_reset());
+       ret = -1;
+
+end:
+       bt_component_class_put_ref(comp_cls);
+       bt_value_put_ref(results);
+       return ret;
+}
+
+static
+void print_component_class_help(const char *plugin_name,
+               const bt_component_class *comp_cls)
+{
+       const char *comp_class_name =
+               bt_component_class_get_name(comp_cls);
+       const char *comp_class_description =
+               bt_component_class_get_description(comp_cls);
+       const char *comp_class_help =
+               bt_component_class_get_help(comp_cls);
+       bt_component_class_type type =
+               bt_component_class_get_type(comp_cls);
+
+       print_plugin_comp_cls_opt(stdout, plugin_name, comp_class_name, type);
+       printf("\n");
+       printf("  %sDescription%s: %s\n", bt_common_color_bold(),
+               bt_common_color_reset(),
+               comp_class_description ? comp_class_description : "(None)");
+
+       if (comp_class_help) {
+               printf("\n%s\n", comp_class_help);
+       }
+}
+
+static
+int cmd_help(struct bt_config *cfg)
+{
+       int ret = 0;
+       const bt_plugin *plugin = NULL;
+       const bt_component_class *needed_comp_cls = NULL;
+
+       plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
+       if (!plugin) {
+               BT_LOGE("Cannot find plugin: plugin-name=\"%s\"",
+                       cfg->cmd_data.help.cfg_component->plugin_name->str);
+               fprintf(stderr, "%s%sCannot find plugin %s%s%s\n",
+                       bt_common_color_bold(), bt_common_color_fg_red(),
+                       bt_common_color_fg_blue(),
+                       cfg->cmd_data.help.cfg_component->plugin_name->str,
+                       bt_common_color_reset());
+               ret = -1;
+               goto end;
+       }
+
+       print_plugin_info(plugin);
+       printf("  %sSource component classes%s: %d\n",
+                       bt_common_color_bold(),
+                       bt_common_color_reset(),
+                       (int) bt_plugin_get_source_component_class_count(plugin));
+       printf("  %sFilter component classes%s: %d\n",
+                       bt_common_color_bold(),
+                       bt_common_color_reset(),
+                       (int) bt_plugin_get_filter_component_class_count(plugin));
+       printf("  %sSink component classes%s: %d\n",
+                       bt_common_color_bold(),
+                       bt_common_color_reset(),
+                       (int) bt_plugin_get_sink_component_class_count(plugin));
+
+       if (strlen(cfg->cmd_data.help.cfg_component->comp_cls_name->str) == 0) {
+               /* Plugin help only */
+               goto end;
+       }
+
+       needed_comp_cls = find_component_class(
+               cfg->cmd_data.help.cfg_component->plugin_name->str,
+               cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+               cfg->cmd_data.help.cfg_component->type);
+       if (!needed_comp_cls) {
+               BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+                       "comp-cls-name=\"%s\", comp-cls-type=%d",
+                       cfg->cmd_data.help.cfg_component->plugin_name->str,
+                       cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+                       cfg->cmd_data.help.cfg_component->type);
+               fprintf(stderr, "\n%s%sCannot find component class %s",
+                       bt_common_color_bold(),
+                       bt_common_color_fg_red(),
+                       bt_common_color_reset());
+               print_plugin_comp_cls_opt(stderr,
+                       cfg->cmd_data.help.cfg_component->plugin_name->str,
+                       cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+                       cfg->cmd_data.help.cfg_component->type);
+               fprintf(stderr, "\n");
+               ret = -1;
+               goto end;
+       }
+
+       printf("\n");
+       print_component_class_help(
+               cfg->cmd_data.help.cfg_component->plugin_name->str,
+               needed_comp_cls);
+
+end:
+       bt_component_class_put_ref(needed_comp_cls);
+       bt_plugin_put_ref(plugin);
+       return ret;
+}
+
+typedef void *(* plugin_borrow_comp_cls_by_index_func_t)(const bt_plugin *,
+       uint64_t);
+typedef const bt_component_class *(* spec_comp_cls_borrow_comp_cls_func_t)(
+       void *);
+
+void cmd_list_plugins_print_component_classes(const bt_plugin *plugin,
+               const char *cc_type_name, uint64_t count,
+               plugin_borrow_comp_cls_by_index_func_t borrow_comp_cls_by_index_func,
+               spec_comp_cls_borrow_comp_cls_func_t spec_comp_cls_borrow_comp_cls_func)
+{
+       uint64_t i;
+
+       if (count == 0) {
+               printf("  %s%s component classes%s: (none)\n",
+                       bt_common_color_bold(),
+                       cc_type_name,
+                       bt_common_color_reset());
+               goto end;
+       } else {
+               printf("  %s%s component classes%s:\n",
+                       bt_common_color_bold(),
+                       cc_type_name,
+                       bt_common_color_reset());
+       }
+
+       for (i = 0; i < count; i++) {
+               const bt_component_class *comp_class =
+                       spec_comp_cls_borrow_comp_cls_func(
+                               borrow_comp_cls_by_index_func(plugin, i));
+               const char *comp_class_name =
+                       bt_component_class_get_name(comp_class);
+               const char *comp_class_description =
+                       bt_component_class_get_description(comp_class);
+               bt_component_class_type type =
+                       bt_component_class_get_type(comp_class);
+
+               printf("    ");
+               print_plugin_comp_cls_opt(stdout,
+                       bt_plugin_get_name(plugin), comp_class_name,
+                       type);
+
+               if (comp_class_description) {
+                       printf(": %s", comp_class_description);
+               }
+
+               printf("\n");
+       }
+
+end:
+       return;
+}
+
+static
+int cmd_list_plugins(struct bt_config *cfg)
+{
+       int ret = 0;
+       int plugins_count, component_classes_count = 0, i;
+
+       printf("From the following plugin paths:\n\n");
+       print_value(stdout, cfg->plugin_paths, 2);
+       printf("\n");
+       plugins_count = loaded_plugins->len;
+       if (plugins_count == 0) {
+               printf("No plugins found.\n");
+               goto end;
+       }
+
+       for (i = 0; i < plugins_count; i++) {
+               const bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+
+               component_classes_count +=
+                       bt_plugin_get_source_component_class_count(plugin) +
+                       bt_plugin_get_filter_component_class_count(plugin) +
+                       bt_plugin_get_sink_component_class_count(plugin);
+       }
+
+       printf("Found %s%d%s component classes in %s%d%s plugins.\n",
+               bt_common_color_bold(),
+               component_classes_count,
+               bt_common_color_reset(),
+               bt_common_color_bold(),
+               plugins_count,
+               bt_common_color_reset());
+
+       for (i = 0; i < plugins_count; i++) {
+               const bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+
+               printf("\n");
+               print_plugin_info(plugin);
+               cmd_list_plugins_print_component_classes(plugin, "Source",
+                       bt_plugin_get_source_component_class_count(plugin),
+                       (plugin_borrow_comp_cls_by_index_func_t)
+                               bt_plugin_borrow_source_component_class_by_index_const,
+                       (spec_comp_cls_borrow_comp_cls_func_t)
+                               bt_component_class_source_as_component_class);
+               cmd_list_plugins_print_component_classes(plugin, "Filter",
+                       bt_plugin_get_filter_component_class_count(plugin),
+                       (plugin_borrow_comp_cls_by_index_func_t)
+                               bt_plugin_borrow_filter_component_class_by_index_const,
+                       (spec_comp_cls_borrow_comp_cls_func_t)
+                               bt_component_class_filter_as_component_class);
+               cmd_list_plugins_print_component_classes(plugin, "Sink",
+                       bt_plugin_get_sink_component_class_count(plugin),
+                       (plugin_borrow_comp_cls_by_index_func_t)
+                               bt_plugin_borrow_sink_component_class_by_index_const,
+                       (spec_comp_cls_borrow_comp_cls_func_t)
+                               bt_component_class_sink_as_component_class);
+       }
+
+end:
+       return ret;
+}
+
+static
+int cmd_print_lttng_live_sessions(struct bt_config *cfg)
+{
+       int ret = 0;
+       const bt_component_class *comp_cls = NULL;
+       const bt_value *results = NULL;
+       bt_value *params = NULL;
+       const bt_value *map = NULL;
+       const bt_value *v = NULL;
+       static const char * const plugin_name = "ctf";
+       static const char * const comp_cls_name = "lttng-live";
+       static const bt_component_class_type comp_cls_type =
+               BT_COMPONENT_CLASS_TYPE_SOURCE;
+       int64_t array_size, i;
+       const char *fail_reason = NULL;
+       FILE *out_stream = stdout;
+
+       BT_ASSERT(cfg->cmd_data.print_lttng_live_sessions.url);
+       comp_cls = find_component_class(plugin_name, comp_cls_name,
+               comp_cls_type);
+       if (!comp_cls) {
+               BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+                       "comp-cls-name=\"%s\", comp-cls-type=%d",
+                       plugin_name, comp_cls_name,
+                       BT_COMPONENT_CLASS_TYPE_SOURCE);
+               fprintf(stderr, "%s%sCannot find component class %s",
+                       bt_common_color_bold(),
+                       bt_common_color_fg_red(),
+                       bt_common_color_reset());
+               print_plugin_comp_cls_opt(stderr, plugin_name,
+                       comp_cls_name, comp_cls_type);
+               fprintf(stderr, "\n");
+               goto error;
+       }
+
+       params = bt_value_map_create();
+       if (!params) {
+               goto error;
+       }
+
+       ret = bt_value_map_insert_string_entry(params, "url",
+               cfg->cmd_data.print_lttng_live_sessions.url->str);
+       if (ret) {
+               goto error;
+       }
+
+       ret = query(comp_cls, "sessions", params,
+                   &results, &fail_reason);
+       if (ret) {
+               goto failed;
+       }
+
+       BT_ASSERT(results);
+
+       if (!bt_value_is_array(results)) {
+               BT_LOGE_STR("Expecting an array for sessions query.");
+               fprintf(stderr, "%s%sUnexpected type returned by session query%s\n",
+                       bt_common_color_bold(),
+                       bt_common_color_fg_red(),
+                       bt_common_color_reset());
+               goto error;
+       }
+
+       if (cfg->cmd_data.print_lttng_live_sessions.output_path->len > 0) {
+               out_stream =
+                       fopen(cfg->cmd_data.print_lttng_live_sessions.output_path->str,
+                               "w");
+               if (!out_stream) {
+                       ret = -1;
+                       BT_LOGE_ERRNO("Cannot open file for writing",
+                               ": path=\"%s\"",
+                               cfg->cmd_data.print_lttng_live_sessions.output_path->str);
+                       goto end;
+               }
+       }
+
+       array_size = bt_value_array_get_size(results);
+       for (i = 0; i < array_size; i++) {
+               const char *url_text;
+               int64_t timer_us, streams, clients;
+
+               map = bt_value_array_borrow_element_by_index_const(results, i);
+               if (!map) {
+                       BT_LOGE_STR("Unexpected empty array entry.");
+                       goto error;
+               }
+               if (!bt_value_is_map(map)) {
+                       BT_LOGE_STR("Unexpected entry type.");
+                       goto error;
+               }
+
+               v = bt_value_map_borrow_entry_value_const(map, "url");
+               if (!v) {
+                       BT_LOGE_STR("Unexpected empty array \"url\" entry.");
+                       goto error;
+               }
+               url_text = bt_value_string_get(v);
+               fprintf(out_stream, "%s", url_text);
+               v = bt_value_map_borrow_entry_value_const(map, "timer-us");
+               if (!v) {
+                       BT_LOGE_STR("Unexpected empty array \"timer-us\" entry.");
+                       goto error;
+               }
+               timer_us = bt_value_signed_integer_get(v);
+               fprintf(out_stream, " (timer = %" PRIu64 ", ", timer_us);
+               v = bt_value_map_borrow_entry_value_const(map, "stream-count");
+               if (!v) {
+                       BT_LOGE_STR("Unexpected empty array \"stream-count\" entry.");
+                       goto error;
+               }
+               streams = bt_value_signed_integer_get(v);
+               fprintf(out_stream, "%" PRIu64 " stream(s), ", streams);
+               v = bt_value_map_borrow_entry_value_const(map, "client-count");
+               if (!v) {
+                       BT_LOGE_STR("Unexpected empty array \"client-count\" entry.");
+                       goto error;
+               }
+               clients = bt_value_signed_integer_get(v);
+               fprintf(out_stream, "%" PRIu64 " client(s) connected)\n", clients);
+       }
+
+       goto end;
+
+failed:
+       BT_LOGE("Failed to query for sessions: %s", fail_reason);
+       fprintf(stderr, "%s%sFailed to request sessions: %s%s\n",
+               bt_common_color_bold(),
+               bt_common_color_fg_red(),
+               fail_reason,
+               bt_common_color_reset());
+
+error:
+       ret = -1;
+
+end:
+       bt_value_put_ref(results);
+       bt_value_put_ref(params);
+       bt_component_class_put_ref(comp_cls);
+
+       if (out_stream && out_stream != stdout) {
+               int fclose_ret = fclose(out_stream);
+
+               if (fclose_ret) {
+                       BT_LOGE_ERRNO("Cannot close file stream",
+                               ": path=\"%s\"",
+                               cfg->cmd_data.print_lttng_live_sessions.output_path->str);
+               }
+       }
+
+       return ret;
+}
+
+static
+int cmd_print_ctf_metadata(struct bt_config *cfg)
+{
+       int ret = 0;
+       const bt_component_class *comp_cls = NULL;
+       const bt_value *results = NULL;
+       bt_value *params = NULL;
+       const bt_value *metadata_text_value = NULL;
+       const char *metadata_text = NULL;
+       static const char * const plugin_name = "ctf";
+       static const char * const comp_cls_name = "fs";
+       static const bt_component_class_type comp_cls_type =
+               BT_COMPONENT_CLASS_TYPE_SOURCE;
+       const char *fail_reason = NULL;
+       FILE *out_stream = stdout;
+
+       BT_ASSERT(cfg->cmd_data.print_ctf_metadata.path);
+       comp_cls = find_component_class(plugin_name, comp_cls_name,
+               comp_cls_type);
+       if (!comp_cls) {
+               BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+                       "comp-cls-name=\"%s\", comp-cls-type=%d",
+                       plugin_name, comp_cls_name,
+                       BT_COMPONENT_CLASS_TYPE_SOURCE);
+               fprintf(stderr, "%s%sCannot find component class %s",
+                       bt_common_color_bold(),
+                       bt_common_color_fg_red(),
+                       bt_common_color_reset());
+               print_plugin_comp_cls_opt(stderr, plugin_name,
+                       comp_cls_name, comp_cls_type);
+               fprintf(stderr, "\n");
+               ret = -1;
+               goto end;
+       }
+
+       params = bt_value_map_create();
+       if (!params) {
+               ret = -1;
+               goto end;
+       }
+
+       ret = bt_value_map_insert_string_entry(params, "path",
+               cfg->cmd_data.print_ctf_metadata.path->str);
+       if (ret) {
+               ret = -1;
+               goto end;
+       }
+
+       ret = query(comp_cls, "metadata-info",
+               params, &results, &fail_reason);
+       if (ret) {
+               goto failed;
+       }
+
+       metadata_text_value = bt_value_map_borrow_entry_value_const(results,
+                                                                   "text");
+       if (!metadata_text_value) {
+               BT_LOGE_STR("Cannot find `text` string value in the resulting metadata info object.");
+               ret = -1;
+               goto end;
+       }
+
+       metadata_text = bt_value_string_get(metadata_text_value);
+
+       if (cfg->cmd_data.print_ctf_metadata.output_path->len > 0) {
+               out_stream =
+                       fopen(cfg->cmd_data.print_ctf_metadata.output_path->str,
+                               "w");
+               if (!out_stream) {
+                       ret = -1;
+                       BT_LOGE_ERRNO("Cannot open file for writing",
+                               ": path=\"%s\"",
+                               cfg->cmd_data.print_ctf_metadata.output_path->str);
+                       goto end;
+               }
+       }
+
+       ret = fprintf(out_stream, "%s\n", metadata_text);
+       if (ret < 0) {
+               BT_LOGE("Cannot write whole metadata text to output stream: "
+                       "ret=%d", ret);
+               goto end;
+       }
+
+       ret = 0;
+
+       goto end;
+
+failed:
+       ret = -1;
+       BT_LOGE("Failed to query for metadata info: %s", fail_reason);
+       fprintf(stderr, "%s%sFailed to request metadata info: %s%s\n",
+               bt_common_color_bold(),
+               bt_common_color_fg_red(),
+               fail_reason,
+               bt_common_color_reset());
+
+end:
+       bt_value_put_ref(results);
+       bt_value_put_ref(params);
+       bt_component_class_put_ref(comp_cls);
+
+       if (out_stream && out_stream != stdout) {
+               int fclose_ret = fclose(out_stream);
+
+               if (fclose_ret) {
+                       BT_LOGE_ERRNO("Cannot close file stream",
+                               ": path=\"%s\"",
+                               cfg->cmd_data.print_ctf_metadata.output_path->str);
+               }
+       }
+
+       return ret;
+}
+
+struct port_id {
+       char *instance_name;
+       char *port_name;
+};
+
+struct trace_range {
+       uint64_t intersection_range_begin_ns;
+       uint64_t intersection_range_end_ns;
+};
+
+static
+guint port_id_hash(gconstpointer v)
+{
+       const struct port_id *id = v;
+
+       BT_ASSERT(id->instance_name);
+       BT_ASSERT(id->port_name);
+
+       return g_str_hash(id->instance_name) ^ g_str_hash(id->port_name);
+}
+
+static
+gboolean port_id_equal(gconstpointer v1, gconstpointer v2)
+{
+       const struct port_id *id1 = v1;
+       const struct port_id *id2 = v2;
+
+       return !strcmp(id1->instance_name, id2->instance_name) &&
+               !strcmp(id1->port_name, id2->port_name);
+}
+
+static
+void port_id_destroy(gpointer data)
+{
+       struct port_id *id = data;
+
+       free(id->instance_name);
+       free(id->port_name);
+       free(id);
+}
+
+static
+void trace_range_destroy(gpointer data)
+{
+       free(data);
+}
+
+struct cmd_run_ctx {
+       /* Owned by this */
+       GHashTable *src_components;
+
+       /* Owned by this */
+       GHashTable *flt_components;
+
+       /* Owned by this */
+       GHashTable *sink_components;
+
+       /* Owned by this */
+       bt_graph *graph;
+
+       /* Weak */
+       struct bt_config *cfg;
+
+       bool connect_ports;
+
+       bool stream_intersection_mode;
+
+       /*
+        * Association of struct port_id -> struct trace_range.
+        */
+       GHashTable *intersections;
+};
+
+/* Returns a timestamp of the form "(-)s.ns" */
+static
+char *s_from_ns(int64_t ns)
+{
+       int ret;
+       char *s_ret = NULL;
+       bool is_negative;
+       int64_t ts_sec_abs, ts_nsec_abs;
+       int64_t ts_sec = ns / NSEC_PER_SEC;
+       int64_t ts_nsec = ns % NSEC_PER_SEC;
+
+       if (ts_sec >= 0 && ts_nsec >= 0) {
+               is_negative = false;
+               ts_sec_abs = ts_sec;
+               ts_nsec_abs = ts_nsec;
+       } else if (ts_sec > 0 && ts_nsec < 0) {
+               is_negative = false;
+               ts_sec_abs = ts_sec - 1;
+               ts_nsec_abs = NSEC_PER_SEC + ts_nsec;
+       } else if (ts_sec == 0 && ts_nsec < 0) {
+               is_negative = true;
+               ts_sec_abs = ts_sec;
+               ts_nsec_abs = -ts_nsec;
+       } else if (ts_sec < 0 && ts_nsec > 0) {
+               is_negative = true;
+               ts_sec_abs = -(ts_sec + 1);
+               ts_nsec_abs = NSEC_PER_SEC - ts_nsec;
+       } else if (ts_sec < 0 && ts_nsec == 0) {
+               is_negative = true;
+               ts_sec_abs = -ts_sec;
+               ts_nsec_abs = ts_nsec;
+       } else {        /* (ts_sec < 0 && ts_nsec < 0) */
+               is_negative = true;
+               ts_sec_abs = -ts_sec;
+               ts_nsec_abs = -ts_nsec;
+       }
+
+       ret = asprintf(&s_ret, "%s%" PRId64 ".%09" PRId64,
+               is_negative ? "-" : "", ts_sec_abs, ts_nsec_abs);
+       if (ret < 0) {
+               s_ret = NULL;
+       }
+       return s_ret;
+}
+
+static
+int cmd_run_ctx_connect_upstream_port_to_downstream_component(
+               struct cmd_run_ctx *ctx,
+               const bt_component *upstream_comp,
+               const bt_port_output *out_upstream_port,
+               struct bt_config_connection *cfg_conn)
+{
+       typedef uint64_t (*input_port_count_func_t)(void *);
+       typedef const bt_port_input *(*borrow_input_port_by_index_func_t)(
+               const void *, uint64_t);
+       const bt_port *upstream_port =
+               bt_port_output_as_port_const(out_upstream_port);
+
+       int ret = 0;
+       GQuark downstreamp_comp_name_quark;
+       void *downstream_comp;
+       uint64_t downstream_port_count;
+       uint64_t i;
+       input_port_count_func_t port_count_fn;
+       borrow_input_port_by_index_func_t port_by_index_fn;
+       bt_graph_status status = BT_GRAPH_STATUS_ERROR;
+       bool insert_trimmer = false;
+       bt_value *trimmer_params = NULL;
+       char *intersection_begin = NULL;
+       char *intersection_end = NULL;
+       const bt_component_filter *trimmer = NULL;
+       const bt_component_class_filter *trimmer_class = NULL;
+       const bt_port_input *trimmer_input = NULL;
+       const bt_port_output *trimmer_output = NULL;
+
+       if (ctx->intersections &&
+               bt_component_get_class_type(upstream_comp) ==
+                       BT_COMPONENT_CLASS_TYPE_SOURCE) {
+               struct trace_range *range;
+               struct port_id port_id = {
+                       .instance_name = (char *) bt_component_get_name(upstream_comp),
+                       .port_name = (char *) bt_port_get_name(upstream_port)
+               };
+
+               if (!port_id.instance_name || !port_id.port_name) {
+                       goto error;
+               }
+
+               range = (struct trace_range *) g_hash_table_lookup(
+                       ctx->intersections, &port_id);
+               if (range) {
+                       bt_value_status status;
+
+                       intersection_begin = s_from_ns(
+                               range->intersection_range_begin_ns);
+                       intersection_end = s_from_ns(
+                               range->intersection_range_end_ns);
+                       if (!intersection_begin || !intersection_end) {
+                               BT_LOGE_STR("Cannot create trimmer argument timestamp string.");
+                               goto error;
+                       }
+
+                       insert_trimmer = true;
+                       trimmer_params = bt_value_map_create();
+                       if (!trimmer_params) {
+                               goto error;
+                       }
+
+                       status = bt_value_map_insert_string_entry(
+                               trimmer_params, "begin", intersection_begin);
+                       if (status != BT_VALUE_STATUS_OK) {
+                               goto error;
+                       }
+                       status = bt_value_map_insert_string_entry(
+                               trimmer_params,
+                               "end", intersection_end);
+                       if (status != BT_VALUE_STATUS_OK) {
+                               goto error;
+                       }
+               }
+
+               trimmer_class = find_filter_component_class("utils", "trimmer");
+               if (!trimmer_class) {
+                       goto error;
+               }
+       }
+
+       BT_LOGI("Connecting upstream port to the next available downstream port: "
+               "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+               "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
+               upstream_port, bt_port_get_name(upstream_port),
+               cfg_conn->downstream_comp_name->str,
+               cfg_conn->arg->str);
+       downstreamp_comp_name_quark = g_quark_from_string(
+               cfg_conn->downstream_comp_name->str);
+       BT_ASSERT(downstreamp_comp_name_quark > 0);
+       downstream_comp = g_hash_table_lookup(ctx->flt_components,
+               GUINT_TO_POINTER(downstreamp_comp_name_quark));
+       port_count_fn = (input_port_count_func_t)
+               bt_component_filter_get_input_port_count;
+       port_by_index_fn = (borrow_input_port_by_index_func_t)
+               bt_component_filter_borrow_input_port_by_index_const;
+
+       if (!downstream_comp) {
+               downstream_comp = g_hash_table_lookup(ctx->sink_components,
+                       GUINT_TO_POINTER(downstreamp_comp_name_quark));
+               port_count_fn = (input_port_count_func_t)
+                       bt_component_sink_get_input_port_count;
+               port_by_index_fn = (borrow_input_port_by_index_func_t)
+                       bt_component_sink_borrow_input_port_by_index_const;
+       }
+
+       if (!downstream_comp) {
+               BT_LOGE("Cannot find downstream component:  comp-name=\"%s\", "
+                       "conn-arg=\"%s\"", cfg_conn->downstream_comp_name->str,
+                       cfg_conn->arg->str);
+               fprintf(stderr, "Cannot create connection: cannot find downstream component: %s\n",
+                       cfg_conn->arg->str);
+               goto error;
+       }
+
+       downstream_port_count = port_count_fn(downstream_comp);
+
+       for (i = 0; i < downstream_port_count; i++) {
+               const bt_port_input *in_downstream_port =
+                       port_by_index_fn(downstream_comp, i);
+               const bt_port *downstream_port =
+                       bt_port_input_as_port_const(in_downstream_port);
+               const char *upstream_port_name;
+               const char *downstream_port_name;
+
+               BT_ASSERT(downstream_port);
+
+               /* Skip port if it's already connected. */
+               if (bt_port_is_connected(downstream_port)) {
+                       BT_LOGD("Skipping downstream port: already connected: "
+                               "port-addr=%p, port-name=\"%s\"",
+                               downstream_port,
+                               bt_port_get_name(downstream_port));
+                       continue;
+               }
+
+               downstream_port_name = bt_port_get_name(downstream_port);
+               BT_ASSERT(downstream_port_name);
+               upstream_port_name = bt_port_get_name(upstream_port);
+               BT_ASSERT(upstream_port_name);
+
+               if (!bt_common_star_glob_match(
+                               cfg_conn->downstream_port_glob->str, SIZE_MAX,
+                               downstream_port_name, SIZE_MAX)) {
+                       continue;
+               }
+
+               if (insert_trimmer) {
+                       /*
+                        * In order to insert the trimmer between the
+                        * two components that were being connected, we
+                        * create a connection configuration entry which
+                        * describes a connection from the trimmer's
+                        * output to the original input that was being
+                        * connected.
+                        *
+                        * Hence, the creation of the trimmer will cause
+                        * the graph "new port" listener to establish
+                        * all downstream connections as its output port
+                        * is connected. We will then establish the
+                        * connection between the original upstream
+                        * source and the trimmer.
+                        */
+                       char *trimmer_name = NULL;
+                       bt_graph_status graph_status;
+
+                       ret = asprintf(&trimmer_name,
+                               "stream-intersection-trimmer-%s",
+                               upstream_port_name);
+                       if (ret < 0) {
+                               goto error;
+                       }
+                       ret = 0;
+
+                       ctx->connect_ports = false;
+                       graph_status = bt_graph_add_filter_component(
+                               ctx->graph, trimmer_class, trimmer_name,
+                               trimmer_params, &trimmer);
+                       free(trimmer_name);
+                       if (graph_status != BT_GRAPH_STATUS_OK) {
+                               goto error;
+                       }
+                       BT_ASSERT(trimmer);
+
+                       trimmer_input =
+                               bt_component_filter_borrow_input_port_by_index_const(
+                                       trimmer, 0);
+                       if (!trimmer_input) {
+                               goto error;
+                       }
+                       trimmer_output =
+                               bt_component_filter_borrow_output_port_by_index_const(
+                                       trimmer, 0);
+                       if (!trimmer_output) {
+                               goto error;
+                       }
+
+                       /*
+                        * Replace the current downstream port by the trimmer's
+                        * upstream port.
+                        */
+                       in_downstream_port = trimmer_input;
+                       downstream_port =
+                               bt_port_input_as_port_const(in_downstream_port);
+                       downstream_port_name = bt_port_get_name(
+                               downstream_port);
+                       BT_ASSERT(downstream_port_name);
+               }
+
+               /* We have a winner! */
+               status = bt_graph_connect_ports(ctx->graph,
+                       out_upstream_port, in_downstream_port, NULL);
+               downstream_port = NULL;
+               switch (status) {
+               case BT_GRAPH_STATUS_OK:
+                       break;
+               case BT_GRAPH_STATUS_CANCELED:
+                       BT_LOGI_STR("Graph was canceled by user.");
+                       status = BT_GRAPH_STATUS_OK;
+                       break;
+               case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
+                       BT_LOGE("A component refused a connection to one of its ports: "
+                               "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
+                               "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+                               "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
+                               "downstream-port-addr=%p, downstream-port-name=\"%s\", "
+                               "conn-arg=\"%s\"",
+                               upstream_comp, bt_component_get_name(upstream_comp),
+                               upstream_port, bt_port_get_name(upstream_port),
+                               downstream_comp, cfg_conn->downstream_comp_name->str,
+                               downstream_port, downstream_port_name,
+                               cfg_conn->arg->str);
+                       fprintf(stderr,
+                               "A component refused a connection to one of its ports (`%s` to `%s`): %s\n",
+                               bt_port_get_name(upstream_port),
+                               downstream_port_name,
+                               cfg_conn->arg->str);
+                       break;
+               default:
+                       BT_LOGE("Cannot create connection: graph refuses to connect ports: "
+                               "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
+                               "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+                               "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
+                               "downstream-port-addr=%p, downstream-port-name=\"%s\", "
+                               "conn-arg=\"%s\"",
+                               upstream_comp, bt_component_get_name(upstream_comp),
+                               upstream_port, bt_port_get_name(upstream_port),
+                               downstream_comp, cfg_conn->downstream_comp_name->str,
+                               downstream_port, downstream_port_name,
+                               cfg_conn->arg->str);
+                       fprintf(stderr,
+                               "Cannot create connection: graph refuses to connect ports (`%s` to `%s`): %s\n",
+                               bt_port_get_name(upstream_port),
+                               downstream_port_name,
+                               cfg_conn->arg->str);
+                       goto error;
+               }
+
+               BT_LOGI("Connected component ports: "
+                       "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
+                       "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+                       "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
+                       "downstream-port-addr=%p, downstream-port-name=\"%s\", "
+                       "conn-arg=\"%s\"",
+                       upstream_comp, bt_component_get_name(upstream_comp),
+                       upstream_port, bt_port_get_name(upstream_port),
+                       downstream_comp, cfg_conn->downstream_comp_name->str,
+                       downstream_port, downstream_port_name,
+                       cfg_conn->arg->str);
+
+               if (insert_trimmer) {
+                       /*
+                        * The first connection, from the source to the trimmer,
+                        * has been done. We now connect the trimmer to the
+                        * original downstream port.
+                        */
+                       ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
+                               ctx,
+                               bt_component_filter_as_component_const(trimmer),
+                               trimmer_output, cfg_conn);
+                       if (ret) {
+                               goto error;
+                       }
+                       ctx->connect_ports = true;
+               }
+
+               /*
+                * We found a matching downstream port: the search is
+                * over.
+                */
+               goto end;
+       }
+
+       /* No downstream port found */
+       BT_LOGE("Cannot create connection: cannot find a matching downstream port for upstream port: "
+               "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+               "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
+               upstream_port, bt_port_get_name(upstream_port),
+               cfg_conn->downstream_comp_name->str,
+               cfg_conn->arg->str);
+       fprintf(stderr,
+               "Cannot create connection: cannot find a matching downstream port for upstream port `%s`: %s\n",
+               bt_port_get_name(upstream_port), cfg_conn->arg->str);
+
+error:
+       ret = -1;
+
+end:
+       free(intersection_begin);
+       free(intersection_end);
+       BT_VALUE_PUT_REF_AND_RESET(trimmer_params);
+       BT_COMPONENT_CLASS_FILTER_PUT_REF_AND_RESET(trimmer_class);
+       BT_COMPONENT_FILTER_PUT_REF_AND_RESET(trimmer);
+       return ret;
+}
+
+static
+int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx,
+               const bt_port_output *upstream_port)
+{
+       int ret = 0;
+       const char *upstream_port_name;
+       const char *upstream_comp_name;
+       const bt_component *upstream_comp = NULL;
+       size_t i;
+
+       BT_ASSERT(ctx);
+       BT_ASSERT(upstream_port);
+       upstream_port_name = bt_port_get_name(
+               bt_port_output_as_port_const(upstream_port));
+       BT_ASSERT(upstream_port_name);
+       upstream_comp = bt_port_borrow_component_const(
+               bt_port_output_as_port_const(upstream_port));
+       if (!upstream_comp) {
+               BT_LOGW("Upstream port to connect is not part of a component: "
+                       "port-addr=%p, port-name=\"%s\"",
+                       upstream_port, upstream_port_name);
+               ret = -1;
+               goto end;
+       }
+
+       upstream_comp_name = bt_component_get_name(upstream_comp);
+       BT_ASSERT(upstream_comp_name);
+       BT_LOGI("Connecting upstream port: comp-addr=%p, comp-name=\"%s\", "
+               "port-addr=%p, port-name=\"%s\"",
+               upstream_comp, upstream_comp_name,
+               upstream_port, upstream_port_name);
+
+       for (i = 0; i < ctx->cfg->cmd_data.run.connections->len; i++) {
+               struct bt_config_connection *cfg_conn =
+                       g_ptr_array_index(
+                               ctx->cfg->cmd_data.run.connections, i);
+
+               if (strcmp(cfg_conn->upstream_comp_name->str,
+                               upstream_comp_name)) {
+                       continue;
+               }
+
+               if (!bt_common_star_glob_match(
+                           cfg_conn->upstream_port_glob->str,
+                           SIZE_MAX, upstream_port_name, SIZE_MAX)) {
+                       continue;
+               }
+
+               ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
+                       ctx, upstream_comp, upstream_port, cfg_conn);
+               if (ret) {
+                       BT_LOGE("Cannot connect upstream port: "
+                               "port-addr=%p, port-name=\"%s\"",
+                               upstream_port,
+                               upstream_port_name);
+                       fprintf(stderr,
+                               "Cannot connect port `%s` of component `%s` to a downstream port: %s\n",
+                               upstream_port_name,
+                               upstream_comp_name,
+                               cfg_conn->arg->str);
+                       goto error;
+               }
+               goto end;
+       }
+
+       BT_LOGE("Cannot connect upstream port: port does not match any connection argument: "
+               "port-addr=%p, port-name=\"%s\"", upstream_port,
+               upstream_port_name);
+       fprintf(stderr,
+               "Cannot create connection: upstream port `%s` does not match any connection\n",
+               upstream_port_name);
+
+error:
+       ret = -1;
+
+end:
+       return ret;
+}
+
+static
+bt_graph_listener_status
+graph_output_port_added_listener(struct cmd_run_ctx *ctx,
+               const bt_port_output *out_port)
+{
+       const bt_component *comp;
+       const bt_port *port = bt_port_output_as_port_const(out_port);
+       bt_graph_listener_status ret = BT_GRAPH_LISTENER_STATUS_OK;
+
+       comp = bt_port_borrow_component_const(port);
+       BT_LOGI("Port added to a graph's component: comp-addr=%p, "
+               "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
+               comp, comp ? bt_component_get_name(comp) : "",
+               port, bt_port_get_name(port));
+
+       if (!ctx->connect_ports) {
+               goto end;
+       }
+
+       if (!comp) {
+               BT_LOGW_STR("Port has no component.");
+               goto end;
+       }
+
+       if (bt_port_is_connected(port)) {
+               BT_LOGW_STR("Port is already connected.");
+               goto end;
+       }
+
+       if (cmd_run_ctx_connect_upstream_port(ctx, out_port)) {
+               BT_LOGF_STR("Cannot connect upstream port.");
+               fprintf(stderr, "Added port could not be connected: aborting\n");
+               ret = BT_GRAPH_LISTENER_STATUS_ERROR;
+               goto end;
+       }
+
+end:
+       return ret;
+}
+
+static
+bt_graph_listener_status graph_source_output_port_added_listener(
+               const bt_component_source *component,
+               const bt_port_output *port, void *data)
+{
+       return graph_output_port_added_listener(data, port);
+}
+
+static
+bt_graph_listener_status graph_filter_output_port_added_listener(
+               const bt_component_filter *component,
+               const bt_port_output *port, void *data)
+{
+       return graph_output_port_added_listener(data, port);
+}
+
+static
+void cmd_run_ctx_destroy(struct cmd_run_ctx *ctx)
+{
+       if (!ctx) {
+               return;
+       }
+
+       if (ctx->src_components) {
+               g_hash_table_destroy(ctx->src_components);
+               ctx->src_components = NULL;
+       }
+
+       if (ctx->flt_components) {
+               g_hash_table_destroy(ctx->flt_components);
+               ctx->flt_components = NULL;
+       }
+
+       if (ctx->sink_components) {
+               g_hash_table_destroy(ctx->sink_components);
+               ctx->sink_components = NULL;
+       }
+
+       if (ctx->intersections) {
+               g_hash_table_destroy(ctx->intersections);
+               ctx->intersections = NULL;
+       }
+
+       BT_GRAPH_PUT_REF_AND_RESET(ctx->graph);
+       the_graph = NULL;
+       ctx->cfg = NULL;
+}
+
+static
+int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
+{
+       int ret = 0;
+       bt_graph_status status;
+
+       ctx->cfg = cfg;
+       ctx->connect_ports = false;
+       ctx->src_components = g_hash_table_new_full(g_direct_hash,
+               g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
+       if (!ctx->src_components) {
+               goto error;
+       }
+
+       ctx->flt_components = g_hash_table_new_full(g_direct_hash,
+               g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
+       if (!ctx->flt_components) {
+               goto error;
+       }
+
+       ctx->sink_components = g_hash_table_new_full(g_direct_hash,
+               g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
+       if (!ctx->sink_components) {
+               goto error;
+       }
+
+       if (cfg->cmd_data.run.stream_intersection_mode) {
+               ctx->stream_intersection_mode = true;
+               ctx->intersections = g_hash_table_new_full(port_id_hash,
+                       port_id_equal, port_id_destroy, trace_range_destroy);
+               if (!ctx->intersections) {
+                       goto error;
+               }
+       }
+
+       ctx->graph = bt_graph_create();
+       if (!ctx->graph) {
+               goto error;
+       }
+
+       the_graph = ctx->graph;
+       status = bt_graph_add_source_component_output_port_added_listener(
+               ctx->graph, graph_source_output_port_added_listener, NULL, ctx,
+               NULL);
+       if (status != BT_GRAPH_STATUS_OK) {
+               BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
+               goto error;
+       }
+
+       status = bt_graph_add_filter_component_output_port_added_listener(
+               ctx->graph, graph_filter_output_port_added_listener, NULL, ctx,
+               NULL);
+       if (status != BT_GRAPH_STATUS_OK) {
+               BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
+               goto error;
+       }
+
+       goto end;
+
+error:
+       cmd_run_ctx_destroy(ctx);
+       ret = -1;
+
+end:
+       return ret;
+}
+
+static
+int set_stream_intersections(struct cmd_run_ctx *ctx,
+               struct bt_config_component *cfg_comp,
+               const bt_component_class_source *src_comp_cls)
+{
+       int ret = 0;
+       uint64_t trace_idx;
+       int64_t trace_count;
+       const char *path = NULL;
+       const bt_value *query_result = NULL;
+       const bt_value *trace_info = NULL;
+       const bt_value *intersection_range = NULL;
+       const bt_value *intersection_begin = NULL;
+       const bt_value *intersection_end = NULL;
+       const bt_value *stream_infos = NULL;
+       const bt_value *stream_info = NULL;
+       struct port_id *port_id = NULL;
+       struct trace_range *trace_range = NULL;
+       const char *fail_reason = NULL;
+       const bt_component_class *comp_cls =
+               bt_component_class_source_as_component_class_const(src_comp_cls);
+
+       ret = query(comp_cls, "trace-info",
+               cfg_comp->params, &query_result,
+               &fail_reason);
+       if (ret) {
+               BT_LOGD("Component class does not support the `trace-info` query: %s: "
+                       "comp-class-name=\"%s\"", fail_reason,
+                       bt_component_class_get_name(comp_cls));
+               ret = -1;
+               goto error;
+       }
+
+       BT_ASSERT(query_result);
+
+       if (!bt_value_is_array(query_result)) {
+               BT_LOGD("Unexpected format of \'trace-info\' query result: "
+                       "component-class-name=%s",
+                       bt_component_class_get_name(comp_cls));
+               ret = -1;
+               goto error;
+       }
+
+       trace_count = bt_value_array_get_size(query_result);
+       if (trace_count < 0) {
+               ret = -1;
+               goto error;
+       }
+
+       for (trace_idx = 0; trace_idx < trace_count; trace_idx++) {
+               int64_t begin, end;
+               uint64_t stream_idx;
+               int64_t stream_count;
+
+               trace_info = bt_value_array_borrow_element_by_index_const(
+                       query_result, trace_idx);
+               if (!trace_info || !bt_value_is_map(trace_info)) {
+                       ret = -1;
+                       BT_LOGD_STR("Cannot retrieve trace from query result.");
+                       goto error;
+               }
+
+               intersection_range = bt_value_map_borrow_entry_value_const(
+                       trace_info, "intersection-range-ns");
+               if (!intersection_range) {
+                       ret = -1;
+                       BT_LOGD_STR("Cannot retrieve \'intersetion-range-ns\' field from query result.");
+                       goto error;
+               }
+
+               intersection_begin = bt_value_map_borrow_entry_value_const(intersection_range,
+                                                                          "begin");
+               if (!intersection_begin) {
+                       ret = -1;
+                       BT_LOGD_STR("Cannot retrieve intersection-range-ns \'begin\' field from query result.");
+                       goto error;
+               }
+
+               intersection_end = bt_value_map_borrow_entry_value_const(intersection_range,
+                                                                        "end");
+               if (!intersection_end) {
+                       ret = -1;
+                       BT_LOGD_STR("Cannot retrieve intersection-range-ns \'end\' field from query result.");
+                       goto error;
+               }
+
+               begin = bt_value_signed_integer_get(intersection_begin);
+               end = bt_value_signed_integer_get(intersection_end);
+
+               if (begin < 0 || end < 0 || end < begin) {
+                       BT_LOGW("Invalid trace stream intersection values: "
+                               "intersection-range-ns:begin=%" PRId64
+                               ", intersection-range-ns:end=%" PRId64,
+                               begin, end);
+                       ret = -1;
+                       goto error;
+               }
+
+               stream_infos = bt_value_map_borrow_entry_value_const(trace_info,
+                                                                    "streams");
+               if (!stream_infos || !bt_value_is_array(stream_infos)) {
+                       ret = -1;
+                       BT_LOGD_STR("Cannot retrieve stream information from trace in query result.");
+                       goto error;
+               }
+
+               stream_count = bt_value_array_get_size(stream_infos);
+               if (stream_count < 0) {
+                       ret = -1;
+                       goto error;
+               }
+
+               for (stream_idx = 0; stream_idx < stream_count; stream_idx++) {
+                       const bt_value *port_name;
+
+                       port_id = g_new0(struct port_id, 1);
+                       if (!port_id) {
+                               ret = -1;
+                               BT_LOGE_STR("Cannot allocate memory for port_id structure.");
+                               goto error;
+                       }
+                       port_id->instance_name = strdup(cfg_comp->instance_name->str);
+                       if (!port_id->instance_name) {
+                               ret = -1;
+                               BT_LOGE_STR("Cannot allocate memory for port_id component instance name.");
+                               goto error;
+                       }
+
+                       trace_range = g_new0(struct trace_range, 1);
+                       if (!trace_range) {
+                               ret = -1;
+                               BT_LOGE_STR("Cannot allocate memory for trace_range structure.");
+                               goto error;
+                       }
+                       trace_range->intersection_range_begin_ns = begin;
+                       trace_range->intersection_range_end_ns = end;
+
+                       stream_info = bt_value_array_borrow_element_by_index_const(
+                               stream_infos, stream_idx);
+                       if (!stream_info || !bt_value_is_map(stream_info)) {
+                               ret = -1;
+                               BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
+                               goto error;
+                       }
+
+                       port_name = bt_value_map_borrow_entry_value_const(stream_info, "port-name");
+                       if (!port_name || !bt_value_is_string(port_name)) {
+                               ret = -1;
+                               BT_LOGD_STR("Cannot retrieve port name in query result.");
+                               goto error;
+                       }
+
+                       port_id->port_name = g_strdup(bt_value_string_get(port_name));
+                       if (!port_id->port_name) {
+                               ret = -1;
+                               BT_LOGE_STR("Cannot allocate memory for port_id port_name.");
+                               goto error;
+                       }
+
+                       BT_LOGD("Inserting stream intersection ");
+
+                       g_hash_table_insert(ctx->intersections, port_id, trace_range);
+
+                       port_id = NULL;
+                       trace_range = NULL;
+               }
+       }
+
+       goto end;
+
+error:
+       fprintf(stderr, "%s%sCannot determine stream intersection of trace at path \'%s\'.%s\n",
+               bt_common_color_bold(),
+               bt_common_color_fg_yellow(),
+               path ? path : "(unknown)",
+               bt_common_color_reset());
+end:
+       bt_value_put_ref(query_result);
+       g_free(port_id);
+       g_free(trace_range);
+       return ret;
+}
+
+static
+int cmd_run_ctx_create_components_from_config_components(
+               struct cmd_run_ctx *ctx, GPtrArray *cfg_components)
+{
+       size_t i;
+       const void *comp_cls = NULL;
+       const void *comp = NULL;
+       int ret = 0;
+
+       for (i = 0; i < cfg_components->len; i++) {
+               struct bt_config_component *cfg_comp =
+                       g_ptr_array_index(cfg_components, i);
+               GQuark quark;
+
+               switch (cfg_comp->type) {
+               case BT_COMPONENT_CLASS_TYPE_SOURCE:
+                       comp_cls = find_source_component_class(
+                               cfg_comp->plugin_name->str,
+                               cfg_comp->comp_cls_name->str);
+                       break;
+               case BT_COMPONENT_CLASS_TYPE_FILTER:
+                       comp_cls = find_filter_component_class(
+                               cfg_comp->plugin_name->str,
+                               cfg_comp->comp_cls_name->str);
+                       break;
+               case BT_COMPONENT_CLASS_TYPE_SINK:
+                       comp_cls = find_sink_component_class(
+                               cfg_comp->plugin_name->str,
+                               cfg_comp->comp_cls_name->str);
+                       break;
+               default:
+                       abort();
+               }
+
+               if (!comp_cls) {
+                       BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+                               "comp-cls-name=\"%s\", comp-cls-type=%d",
+                               cfg_comp->plugin_name->str,
+                               cfg_comp->comp_cls_name->str,
+                               cfg_comp->type);
+                       fprintf(stderr, "%s%sCannot find component class %s",
+                               bt_common_color_bold(),
+                               bt_common_color_fg_red(),
+                               bt_common_color_reset());
+                       print_plugin_comp_cls_opt(stderr,
+                               cfg_comp->plugin_name->str,
+                               cfg_comp->comp_cls_name->str,
+                               cfg_comp->type);
+                       fprintf(stderr, "\n");
+                       goto error;
+               }
+
+               switch (cfg_comp->type) {
+               case BT_COMPONENT_CLASS_TYPE_SOURCE:
+                       ret = bt_graph_add_source_component(ctx->graph,
+                               comp_cls, cfg_comp->instance_name->str,
+                               cfg_comp->params,
+                               (void *) &comp);
+                       break;
+               case BT_COMPONENT_CLASS_TYPE_FILTER:
+                       ret = bt_graph_add_filter_component(ctx->graph,
+                               comp_cls, cfg_comp->instance_name->str,
+                               cfg_comp->params,
+                               (void *) &comp);
+                       break;
+               case BT_COMPONENT_CLASS_TYPE_SINK:
+                       ret = bt_graph_add_sink_component(ctx->graph,
+                               comp_cls, cfg_comp->instance_name->str,
+                               cfg_comp->params,
+                               (void *) &comp);
+                       break;
+               default:
+                       abort();
+               }
+
+               if (ret) {
+                       BT_LOGE("Cannot create component: plugin-name=\"%s\", "
+                               "comp-cls-name=\"%s\", comp-cls-type=%d, "
+                               "comp-name=\"%s\"",
+                               cfg_comp->plugin_name->str,
+                               cfg_comp->comp_cls_name->str,
+                               cfg_comp->type, cfg_comp->instance_name->str);
+                       fprintf(stderr, "%s%sCannot create component `%s`%s\n",
+                               bt_common_color_bold(),
+                               bt_common_color_fg_red(),
+                               cfg_comp->instance_name->str,
+                               bt_common_color_reset());
+                       goto error;
+               }
+
+               if (ctx->stream_intersection_mode &&
+                               cfg_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) {
+                       ret = set_stream_intersections(ctx, cfg_comp, comp_cls);
+                       if (ret) {
+                               goto error;
+                       }
+               }
+
+               BT_LOGI("Created and inserted component: comp-addr=%p, comp-name=\"%s\"",
+                       comp, cfg_comp->instance_name->str);
+               quark = g_quark_from_string(cfg_comp->instance_name->str);
+               BT_ASSERT(quark > 0);
+
+               switch (cfg_comp->type) {
+               case BT_COMPONENT_CLASS_TYPE_SOURCE:
+                       g_hash_table_insert(ctx->src_components,
+                               GUINT_TO_POINTER(quark), (void *) comp);
+                       break;
+               case BT_COMPONENT_CLASS_TYPE_FILTER:
+                       g_hash_table_insert(ctx->flt_components,
+                               GUINT_TO_POINTER(quark), (void *) comp);
+                       break;
+               case BT_COMPONENT_CLASS_TYPE_SINK:
+                       g_hash_table_insert(ctx->sink_components,
+                               GUINT_TO_POINTER(quark), (void *) comp);
+                       break;
+               default:
+                       abort();
+               }
+
+               comp = NULL;
+               BT_OBJECT_PUT_REF_AND_RESET(comp_cls);
+       }
+
+       goto end;
+
+error:
+       ret = -1;
+
+end:
+       bt_object_put_ref(comp);
+       bt_object_put_ref(comp_cls);
+       return ret;
+}
+
+static
+int cmd_run_ctx_create_components(struct cmd_run_ctx *ctx)
+{
+       int ret = 0;
+
+       /*
+        * Make sure that, during this phase, our graph's "port added"
+        * listener does not connect ports while we are creating the
+        * components because we have a special, initial phase for
+        * this.
+        */
+       ctx->connect_ports = false;
+
+       ret = cmd_run_ctx_create_components_from_config_components(
+               ctx, ctx->cfg->cmd_data.run.sources);
+       if (ret) {
+               ret = -1;
+               goto end;
+       }
+
+       ret = cmd_run_ctx_create_components_from_config_components(
+               ctx, ctx->cfg->cmd_data.run.filters);
+       if (ret) {
+               ret = -1;
+               goto end;
+       }
+
+       ret = cmd_run_ctx_create_components_from_config_components(
+               ctx, ctx->cfg->cmd_data.run.sinks);
+       if (ret) {
+               ret = -1;
+               goto end;
+       }
+
+end:
+       return ret;
+}
+
+typedef uint64_t (*output_port_count_func_t)(const void *);
+typedef const bt_port_output *(*borrow_output_port_by_index_func_t)(
+       const void *, uint64_t);
+
+static
+int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx *ctx,
+               void *comp, output_port_count_func_t port_count_fn,
+               borrow_output_port_by_index_func_t port_by_index_fn)
+{
+       int ret = 0;
+       uint64_t count;
+       uint64_t i;
+
+       count = port_count_fn(comp);
+
+       for (i = 0; i < count; i++) {
+               const bt_port_output *upstream_port = port_by_index_fn(comp, i);
+
+               BT_ASSERT(upstream_port);
+               ret = cmd_run_ctx_connect_upstream_port(ctx, upstream_port);
+               if (ret) {
+                       goto end;
+               }
+       }
+
+end:
+       return ret;
+}
+
+static
+int cmd_run_ctx_connect_ports(struct cmd_run_ctx *ctx)
+{
+       int ret = 0;
+       GHashTableIter iter;
+       gpointer g_name_quark, g_comp;
+
+       ctx->connect_ports = true;
+       g_hash_table_iter_init(&iter, ctx->src_components);
+
+       while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
+               ret = cmd_run_ctx_connect_comp_ports(ctx, g_comp,
+                       (output_port_count_func_t)
+                               bt_component_source_get_output_port_count,
+                       (borrow_output_port_by_index_func_t)
+                               bt_component_source_borrow_output_port_by_index_const);
+               if (ret) {
+                       goto end;
+               }
+       }
+
+       g_hash_table_iter_init(&iter, ctx->flt_components);
+
+       while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
+               ret = cmd_run_ctx_connect_comp_ports(ctx, g_comp,
+                       (output_port_count_func_t)
+                               bt_component_filter_get_output_port_count,
+                       (borrow_output_port_by_index_func_t)
+                               bt_component_filter_borrow_output_port_by_index_const);
+               if (ret) {
+                       goto end;
+               }
+       }
+
+end:
+       return ret;
+}
+
+static inline
+const char *bt_graph_status_str(bt_graph_status status)
+{
+       switch (status) {
+       case BT_GRAPH_STATUS_OK:
+               return "BT_GRAPH_STATUS_OK";
+       case BT_GRAPH_STATUS_END:
+               return "BT_GRAPH_STATUS_END";
+       case BT_GRAPH_STATUS_AGAIN:
+               return "BT_GRAPH_STATUS_AGAIN";
+       case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
+               return "BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION";
+       case BT_GRAPH_STATUS_CANCELED:
+               return "BT_GRAPH_STATUS_CANCELED";
+       case BT_GRAPH_STATUS_ERROR:
+               return "BT_GRAPH_STATUS_ERROR";
+       case BT_GRAPH_STATUS_NOMEM:
+               return "BT_GRAPH_STATUS_NOMEM";
+       default:
+               return "(unknown)";
+       }
+}
+
+static
+int cmd_run(struct bt_config *cfg)
+{
+       int ret = 0;
+       struct cmd_run_ctx ctx = { 0 };
+
+       /* Initialize the command's context and the graph object */
+       if (cmd_run_ctx_init(&ctx, cfg)) {
+               BT_LOGE_STR("Cannot initialize the command's context.");
+               fprintf(stderr, "Cannot initialize the command's context\n");
+               goto error;
+       }
+
+       if (canceled) {
+               BT_LOGI_STR("Canceled by user before creating components.");
+               goto error;
+       }
+
+       BT_LOGI_STR("Creating components.");
+
+       /* Create the requested component instances */
+       if (cmd_run_ctx_create_components(&ctx)) {
+               BT_LOGE_STR("Cannot create components.");
+               fprintf(stderr, "Cannot create components\n");
+               goto error;
+       }
+
+       if (canceled) {
+               BT_LOGI_STR("Canceled by user before connecting components.");
+               goto error;
+       }
+
+       BT_LOGI_STR("Connecting components.");
+
+       /* Connect the initially visible component ports */
+       if (cmd_run_ctx_connect_ports(&ctx)) {
+               BT_LOGE_STR("Cannot connect initial component ports.");
+               fprintf(stderr, "Cannot connect initial component ports\n");
+               goto error;
+       }
+
+       if (canceled) {
+               BT_LOGI_STR("Canceled by user before running the graph.");
+               goto error;
+       }
+
+       BT_LOGI_STR("Running the graph.");
+
+       /* Run the graph */
+       while (true) {
+               bt_graph_status graph_status = bt_graph_run(ctx.graph);
+
+               /*
+                * Reset console in case something messed with console
+                * codes during the graph's execution.
+                */
+               printf("%s", bt_common_color_reset());
+               fflush(stdout);
+               fprintf(stderr, "%s", bt_common_color_reset());
+               BT_LOGV("bt_graph_run() returned: status=%s",
+                       bt_graph_status_str(graph_status));
+
+               switch (graph_status) {
+               case BT_GRAPH_STATUS_OK:
+                       break;
+               case BT_GRAPH_STATUS_CANCELED:
+                       BT_LOGI_STR("Graph was canceled by user.");
+                       goto error;
+               case BT_GRAPH_STATUS_AGAIN:
+                       if (bt_graph_is_canceled(ctx.graph)) {
+                               BT_LOGI_STR("Graph was canceled by user.");
+                               goto error;
+                       }
+
+                       if (cfg->cmd_data.run.retry_duration_us > 0) {
+                               BT_LOGV("Got BT_GRAPH_STATUS_AGAIN: sleeping: "
+                                       "time-us=%" PRIu64,
+                                       cfg->cmd_data.run.retry_duration_us);
+
+                               if (usleep(cfg->cmd_data.run.retry_duration_us)) {
+                                       if (bt_graph_is_canceled(ctx.graph)) {
+                                               BT_LOGI_STR("Graph was canceled by user.");
+                                               goto error;
+                                       }
+                               }
+                       }
+                       break;
+               case BT_GRAPH_STATUS_END:
+                       goto end;
+               default:
+                       BT_LOGE_STR("Graph failed to complete successfully");
+                       fprintf(stderr, "Graph failed to complete successfully\n");
+                       goto error;
+               }
+       }
+
+       goto end;
+
+error:
+       if (ret == 0) {
+               ret = -1;
+       }
+
+end:
+       cmd_run_ctx_destroy(&ctx);
+       return ret;
+}
+
+static
+void warn_command_name_and_directory_clash(struct bt_config *cfg)
+{
+       const char *env_clash;
+
+       if (!cfg->command_name) {
+               return;
+       }
+
+       env_clash = getenv(ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH);
+       if (env_clash && strcmp(env_clash, "0") == 0) {
+               return;
+       }
+
+       if (g_file_test(cfg->command_name,
+                       G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
+               fprintf(stderr, "\nNOTE: The `%s` command was executed. If you meant to convert a\n",
+                       cfg->command_name);
+               fprintf(stderr, "trace located in the local `%s` directory, please use:\n",
+                       cfg->command_name);
+               fprintf(stderr, "\n");
+               fprintf(stderr, "    babeltrace2 convert %s [OPTIONS]\n",
+                       cfg->command_name);
+       }
+}
+
+static
+void init_log_level(void)
+{
+       bt_cli_log_level = bt_log_get_level_from_env(ENV_BABELTRACE_CLI_LOG_LEVEL);
+}
+
+static
+void set_auto_log_levels(struct bt_config *cfg)
+{
+       const char **env_var_name;
+
+       /*
+        * Override the configuration's default log level if
+        * BABELTRACE_VERBOSE or BABELTRACE_DEBUG environment variables
+        * are found for backward compatibility with legacy Babetrace 1.
+        */
+       if (getenv("BABELTRACE_DEBUG") &&
+                       strcmp(getenv("BABELTRACE_DEBUG"), "1") == 0) {
+               cfg->log_level = 'V';
+       } else if (getenv("BABELTRACE_VERBOSE") &&
+                       strcmp(getenv("BABELTRACE_VERBOSE"), "1") == 0) {
+               cfg->log_level = 'I';
+       }
+
+       /*
+        * Set log levels according to --debug or --verbose. For
+        * backward compatibility, --debug is more verbose than
+        * --verbose. So:
+        *
+        *     --verbose: INFO log level
+        *     --debug:   VERBOSE log level (includes DEBUG, which is
+        *                is less verbose than VERBOSE in the internal
+        *                logging framework)
+        */
+       if (!getenv("BABELTRACE_LOGGING_GLOBAL_LEVEL")) {
+               if (cfg->verbose) {
+                       bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
+               } else if (cfg->debug) {
+                       bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
+               } else {
+                       /*
+                        * Set library's default log level if not
+                        * explicitly specified.
+                        */
+                       switch (cfg->log_level) {
+                       case 'N':
+                               bt_logging_set_global_level(BT_LOGGING_LEVEL_NONE);
+                               break;
+                       case 'V':
+                               bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
+                               break;
+                       case 'D':
+                               bt_logging_set_global_level(BT_LOGGING_LEVEL_DEBUG);
+                               break;
+                       case 'I':
+                               bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
+                               break;
+                       case 'W':
+                               bt_logging_set_global_level(BT_LOGGING_LEVEL_WARN);
+                               break;
+                       case 'E':
+                               bt_logging_set_global_level(BT_LOGGING_LEVEL_ERROR);
+                               break;
+                       case 'F':
+                               bt_logging_set_global_level(BT_LOGGING_LEVEL_FATAL);
+                               break;
+                       default:
+                               abort();
+                       }
+               }
+       }
+
+       if (!getenv(ENV_BABELTRACE_CLI_LOG_LEVEL)) {
+               if (cfg->verbose) {
+                       bt_cli_log_level = BT_LOG_INFO;
+               } else if (cfg->debug) {
+                       bt_cli_log_level = BT_LOG_VERBOSE;
+               } else {
+                       /*
+                        * Set CLI's default log level if not explicitly
+                        * specified.
+                        */
+                       switch (cfg->log_level) {
+                       case 'N':
+                               bt_cli_log_level = BT_LOG_NONE;
+                               break;
+                       case 'V':
+                               bt_cli_log_level = BT_LOG_VERBOSE;
+                               break;
+                       case 'D':
+                               bt_cli_log_level = BT_LOG_DEBUG;
+                               break;
+                       case 'I':
+                               bt_cli_log_level = BT_LOG_INFO;
+                               break;
+                       case 'W':
+                               bt_cli_log_level = BT_LOG_WARN;
+                               break;
+                       case 'E':
+                               bt_cli_log_level = BT_LOG_ERROR;
+                               break;
+                       case 'F':
+                               bt_cli_log_level = BT_LOG_FATAL;
+                               break;
+                       default:
+                               abort();
+                       }
+               }
+       }
+
+       env_var_name = log_level_env_var_names;
+
+       while (*env_var_name) {
+               if (!getenv(*env_var_name)) {
+                       if (cfg->verbose) {
+                               g_setenv(*env_var_name, "I", 1);
+                       } else if (cfg->debug) {
+                               g_setenv(*env_var_name, "V", 1);
+                       } else {
+                               char val[2] = { 0 };
+
+                               /*
+                                * Set module's default log level if not
+                                * explicitly specified.
+                                */
+                               val[0] = cfg->log_level;
+                               g_setenv(*env_var_name, val, 1);
+                       }
+               }
+
+               env_var_name++;
+       }
+}
+
+int main(int argc, const char **argv)
+{
+       int ret;
+       int retcode;
+       struct bt_config *cfg;
+
+       init_log_level();
+       set_signal_handler();
+       init_static_data();
+       cfg = bt_config_cli_args_create_with_default(argc, argv, &retcode);
+
+       if (retcode < 0) {
+               /* Quit without errors; typically usage/version */
+               retcode = 0;
+               BT_LOGI_STR("Quitting without errors.");
+               goto end;
+       }
+
+       if (retcode > 0) {
+               BT_LOGE("Command-line error: retcode=%d", retcode);
+               goto end;
+       }
+
+       if (!cfg) {
+               BT_LOGE_STR("Failed to create a valid Babeltrace configuration.");
+               fprintf(stderr, "Failed to create Babeltrace configuration\n");
+               retcode = 1;
+               goto end;
+       }
+
+       set_auto_log_levels(cfg);
+       print_cfg(cfg);
+
+       if (cfg->command_needs_plugins) {
+               ret = load_all_plugins(cfg->plugin_paths);
+               if (ret) {
+                       BT_LOGE("Failed to load plugins: ret=%d", ret);
+                       retcode = 1;
+                       goto end;
+               }
+       }
+
+       BT_LOGI("Executing command: cmd=%d, command-name=\"%s\"",
+               cfg->command, cfg->command_name);
+
+       switch (cfg->command) {
+       case BT_CONFIG_COMMAND_RUN:
+               ret = cmd_run(cfg);
+               break;
+       case BT_CONFIG_COMMAND_LIST_PLUGINS:
+               ret = cmd_list_plugins(cfg);
+               break;
+       case BT_CONFIG_COMMAND_HELP:
+               ret = cmd_help(cfg);
+               break;
+       case BT_CONFIG_COMMAND_QUERY:
+               ret = cmd_query(cfg);
+               break;
+       case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
+               ret = cmd_print_ctf_metadata(cfg);
+               break;
+       case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
+               ret = cmd_print_lttng_live_sessions(cfg);
+               break;
+       default:
+               BT_LOGF("Invalid/unknown command: cmd=%d", cfg->command);
+               abort();
+       }
+
+       BT_LOGI("Command completed: cmd=%d, command-name=\"%s\", ret=%d",
+               cfg->command, cfg->command_name, ret);
+       warn_command_name_and_directory_clash(cfg);
+       retcode = ret ? 1 : 0;
+
+end:
+       BT_OBJECT_PUT_REF_AND_RESET(cfg);
+       fini_static_data();
+       return retcode;
+}
index 3e176165c9f709b343b57ba5332cfd761e19e463..fef4b8661daac1abcedf46e5d6c4e377449fd7fd 100644 (file)
@@ -457,7 +457,7 @@ AC_ARG_ENABLE([api-doc],
 # Built-in plugins
 # Disabled by default
 AC_ARG_ENABLE([built-in-plugins],
-  [AC_HELP_STRING([--enable-built-in-plugins], [Statically-link in-tree plug-ins into the babeltrace binary])],
+  [AC_HELP_STRING([--enable-built-in-plugins], [Statically-link in-tree plug-ins into the babeltrace2 executable])],
   [], dnl AC_ARG_ENABLE will fill enable_built_in_plugins with the user choice
   [enable_built_in_plugins=no]
 )
@@ -528,17 +528,17 @@ AS_IF([test "x$enable_python_bindings" = xno],
 AS_IF([test "x$enable_built_in_plugins" = xyes],
   [
     # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
-    AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace executable)])
-    AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace executable)])
+    AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
+    AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
   ]
 )
 
 AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
   [
-    AS_IF([test "x$enable_python_plugins" = xno], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace executable])])
+    AS_IF([test "x$enable_python_plugins" = xno], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace2 executable])])
     # Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
-    AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace executable)])
-    AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace executable)])
+    AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
+    AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
   ]
 )
 
@@ -715,8 +715,8 @@ target.
 CFLAGS=${save_CFLAGS}
 
 # Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
-# to rename babeltrace.bin to babeltrace at install time.
-program_transform_name="s&babeltrace\.bin&babeltrace&;s&babeltrace-log\.bin&babeltrace-log&;$program_transform_name"
+# to rename babeltrace2.bin to babeltrace2 at install time.
+program_transform_name="s&babeltrace2\.bin&babeltrace2&;s&babeltrace2-log\.bin&babeltrace2-log&;$program_transform_name"
 AC_SUBST(program_transform_name)
 
 AC_CONFIG_FILES([
index 464dffa023bde2aedc2938d69e92c4c977340a3f..e9857eef0467c4a93a083ee452b95d6d265d619b 100644 (file)
@@ -27,15 +27,15 @@ plan_tests $NUM_TESTS
 for path in "${SUCCESS_TRACES[@]}"; do
        trace=$(basename "${path}")
        "${BT_BIN}" "${path}" > /dev/null 2>&1
-       ok $? "Run babeltrace with trace ${trace}"
+       ok $? "Run babeltrace2 with trace ${trace}"
 done
 
 for path in "${FAIL_TRACES[@]}"; do
        trace=$(basename "${path}")
        "${BT_BIN}" "${path}" > /dev/null 2>&1
        if [ $? -eq 0 ]; then
-               fail "Run babeltrace with invalid trace ${trace}"
+               fail "Run babeltrace2 with invalid trace ${trace}"
        else
-               pass "Run babeltrace with invalid trace ${trace}"
+               pass "Run babeltrace2 with invalid trace ${trace}"
        fi
 done
index 08243f5fd5dc273eab59d6fc219c0b6880b3f365..13de3679e52bd5a16ecafb1eac9b1de288ebab21 100644 (file)
@@ -3,7 +3,7 @@
 BT_SRC_PATH="@abs_top_srcdir@"
 BT_BUILD_PATH="@abs_top_builddir@"
 
-BT_BIN="${BT_BUILD_PATH}/cli/babeltrace@EXEEXT@"
+BT_BIN="${BT_BUILD_PATH}/cli/babeltrace2@EXEEXT@"
 BT_CTF_TRACES="${BT_SRC_PATH}/tests/ctf-traces"
 
 if [ "x${NO_SH_TAP}" = x ]; then
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