Rename converter/ -> cli/ (it's more than a converter now)
authorPhilippe Proulx <eeppeliteloop@gmail.com>
Mon, 3 Apr 2017 18:10:34 +0000 (14:10 -0400)
committerJérémie Galarneau <jeremie.galarneau@efficios.com>
Sun, 28 May 2017 16:57:39 +0000 (12:57 -0400)
Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
27 files changed:
.gitignore
Makefile.am
cli/Makefile.am [new file with mode: 0644]
cli/babeltrace-cfg-connect.c [new file with mode: 0644]
cli/babeltrace-cfg-connect.h [new file with mode: 0644]
cli/babeltrace-cfg.c [new file with mode: 0644]
cli/babeltrace-cfg.h [new file with mode: 0644]
cli/babeltrace-log.c [new file with mode: 0644]
cli/babeltrace.c [new file with mode: 0644]
cli/default-cfg.c [new file with mode: 0644]
cli/default-cfg.h [new file with mode: 0644]
configure.ac
converter/Makefile.am [deleted file]
converter/babeltrace-cfg-connect.c [deleted file]
converter/babeltrace-cfg-connect.h [deleted file]
converter/babeltrace-cfg.c [deleted file]
converter/babeltrace-cfg.h [deleted file]
converter/babeltrace-log.c [deleted file]
converter/babeltrace.c [deleted file]
converter/default-cfg.c [deleted file]
converter/default-cfg.h [deleted file]
tests/bin/intersection/test_intersection.in
tests/bin/test_convert_args
tests/bin/test_formats.in
tests/bin/test_packet_seq_num.in
tests/bin/test_trace_read.in
tests/lib/test_ctf_writer_complete.in

index b268cc4d3ce289f05ef734eac792a306d2489585..d4b3b4480bd778522edbdbca78c81d0f7dbb5c6a 100644 (file)
@@ -37,8 +37,8 @@ plugins/ctf/common/metadata/lexer.c
 plugins/ctf/common/metadata/parser.c
 plugins/ctf/common/metadata/parser.h
 plugins/ctf/common/metadata/parser.output
-/converter/babeltrace
-/converter/babeltrace.bin
+/cli/babeltrace
+/cli/babeltrace.bin
 /config.h
 /config.h.in
 /config.status
@@ -55,7 +55,7 @@ Makefile
 Makefile.in
 autom4te.cache/
 config/
-converter/babeltrace-log
+cli/babeltrace-log
 core
 stamp-h1
 bindings/python/__init__.py
index a7fecfead89f407e361de1718bb91d6641ba00df..6e90e481cabf841283d3064287020ed67c4630cd 100644 (file)
@@ -14,7 +14,7 @@ endif
 SUBDIRS +=                     \
        lib                     \
        plugins                 \
-       converter               \
+       cli                     \
        bindings                \
        tests                   \
        doc                     \
diff --git a/cli/Makefile.am b/cli/Makefile.am
new file mode 100644 (file)
index 0000000..c1fce34
--- /dev/null
@@ -0,0 +1,44 @@
+PLUGINS_PATH = $(abs_top_builddir)/plugins
+AM_CFLAGS = $(PACKAGE_CFLAGS) -I$(top_srcdir)/include \
+               -DCONFIG_IN_TREE_PLUGIN_PATH=\"$(PLUGINS_PATH)/ctf:$(PLUGINS_PATH)/text:$(PLUGINS_PATH)/muxer:$(PLUGINS_PATH)/writer:$(PLUGINS_PATH)/utils\"
+AM_LDFLAGS = -lpopt
+
+bin_PROGRAMS = babeltrace.bin
+noinst_PROGRAMS = babeltrace
+#check_PROGRAMS = babeltrace
+
+babeltrace_bin_SOURCES = \
+       babeltrace.c \
+       babeltrace-cfg.c \
+       babeltrace-cfg.h \
+       default-cfg.h \
+       default-cfg.c \
+       babeltrace-cfg-connect.h \
+       babeltrace-cfg-connect.c
+
+# -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 = -Wl, $(LD_NO_AS_NEEDED), -export-dynamic
+babeltrace_bin_LDADD = \
+       $(top_builddir)/lib/libbabeltrace.la \
+       $(top_builddir)/compat/libcompat.la \
+       $(top_builddir)/common/libbabeltrace-common.la
+
+if ENABLE_DEBUG_INFO
+babeltrace_bin_LDADD += $(top_builddir)/lib/libdebug-info.la
+endif
+
+if BUILT_IN_PLUGINS
+babeltrace_bin_LDFLAGS += -Wl,--whole-archive,$(top_builddir)/plugins/ctf/.libs/libbabeltrace-plugin-ctf.a,$(top_builddir)/plugins/text/.libs/libbabeltrace-plugin-ctf-text.a,$(top_builddir)/plugins/muxer/.libs/libbabeltrace-plugin-muxer.a,$(top_builddir)/plugins/writer/.libs/libbabeltrace-plugin-ctf-writer.a,--no-whole-archive
+endif
+
+if BABELTRACE_BUILD_WITH_MINGW
+babeltrace_bin_LDADD += -lrpcrt4 -lintl -liconv -lole32 -lpopt -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
diff --git a/cli/babeltrace-cfg-connect.c b/cli/babeltrace-cfg-connect.c
new file mode 100644 (file)
index 0000000..e1de064
--- /dev/null
@@ -0,0 +1,680 @@
+/*
+ * 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/values.h>
+#include <babeltrace/common-internal.h>
+#include "babeltrace-cfg.h"
+#include "babeltrace-cfg-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);
+}
+
+void bt_config_connection_destroy(struct bt_config_connection *connection)
+{
+       if (!connection) {
+               return;
+       }
+
+       if (connection->src_instance_name) {
+               g_string_free(connection->src_instance_name, TRUE);
+       }
+
+       if (connection->dst_instance_name) {
+               g_string_free(connection->dst_instance_name, TRUE);
+       }
+
+       if (connection->src_port_name) {
+               g_string_free(connection->src_port_name, TRUE);
+       }
+
+       if (connection->dst_port_name) {
+               g_string_free(connection->dst_port_name, TRUE);
+       }
+
+       if (connection->arg) {
+               g_string_free(connection->arg, TRUE);
+       }
+
+       g_free(connection);
+}
+
+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->src_instance_name = g_string_new(NULL);
+       if (!cfg_connection->src_instance_name) {
+               goto error;
+       }
+
+       cfg_connection->dst_instance_name = g_string_new(NULL);
+       if (!cfg_connection->dst_instance_name) {
+               goto error;
+       }
+
+       cfg_connection->src_port_name = g_string_new(NULL);
+       if (!cfg_connection->src_port_name) {
+               goto error;
+       }
+
+       cfg_connection->dst_port_name = g_string_new(NULL);
+       if (!cfg_connection->dst_port_name) {
+               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 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 {
+               SRC_NAME,
+               DST_NAME,
+               SRC_PORT_NAME,
+               DST_PORT_NAME,
+       } state = SRC_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 SRC_NAME:
+                       gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
+                       if (!gs || gs->len == 0) {
+                               goto error;
+                       }
+
+                       g_string_free(cfg_conn->src_instance_name, TRUE);
+                       cfg_conn->src_instance_name = gs;
+                       gs = NULL;
+
+                       if (at[end_pos] == ':') {
+                               state = DST_NAME;
+                       } else if (at[end_pos] == '.') {
+                               state = SRC_PORT_NAME;
+                       } else {
+                               goto error;
+                       }
+
+                       at += end_pos + 1;
+                       break;
+               case DST_NAME:
+                       gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
+                       if (!gs || gs->len == 0) {
+                               goto error;
+                       }
+
+                       g_string_free(cfg_conn->dst_instance_name, TRUE);
+                       cfg_conn->dst_instance_name = gs;
+                       gs = NULL;
+
+                       if (at[end_pos] == '.') {
+                               state = DST_PORT_NAME;
+                       } else if (at[end_pos] == '\0') {
+                               goto end;
+                       } else {
+                               goto error;
+                       }
+
+                       at += end_pos + 1;
+                       break;
+               case SRC_PORT_NAME:
+                       gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
+                       if (!gs || gs->len == 0) {
+                               goto error;
+                       }
+
+                       g_string_free(cfg_conn->src_port_name, TRUE);
+                       cfg_conn->src_port_name = gs;
+                       gs = NULL;
+
+                       if (at[end_pos] == ':') {
+                               state = DST_NAME;
+                       } else {
+                               goto error;
+                       }
+
+                       at += end_pos + 1;
+                       break;
+               case DST_PORT_NAME:
+                       gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
+                       if (!gs || gs->len == 0) {
+                               goto error;
+                       }
+
+                       g_string_free(cfg_conn->dst_port_name, TRUE);
+                       cfg_conn->dst_port_name = gs;
+                       gs = NULL;
+
+                       if (at[end_pos] == '\0') {
+                               goto end;
+                       } else {
+                               goto error;
+                       }
+                       break;
+               default:
+                       assert(false);
+               }
+       }
+
+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 = bt_get(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->src_instance_name->str);
+               bt_put(comp);
+               if (!comp) {
+                       snprintf(error_buf, error_buf_size,
+                               "Invalid connection: cannot find upstream component `%s`:\n    %s\n",
+                               connection->src_instance_name->str,
+                               connection->arg->str);
+                       ret = -1;
+                       goto end;
+               }
+
+               comp = find_component(cfg, connection->dst_instance_name->str);
+               bt_put(comp);
+               if (!comp) {
+                       snprintf(error_buf, error_buf_size,
+                               "Invalid connection: cannot find downstream component `%s`:\n    %s\n",
+                               connection->dst_instance_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->src_instance_name->str);
+               assert(src_comp);
+               dst_comp = find_component(cfg,
+                       connection->dst_instance_name->str);
+               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->src_instance_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->src_instance_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->src_instance_name->str,
+                               connection->dst_instance_name->str,
+                               connection->arg->str);
+                       ret = -1;
+                       goto end;
+               }
+
+               BT_PUT(src_comp);
+               BT_PUT(dst_comp);
+       }
+
+end:
+       bt_put(src_comp);
+       bt_put(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;
+
+       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->src_instance_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->dst_instance_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->dst_instance_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->src_instance_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,
+               struct 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_key(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;
+       struct 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(connected_components,
+                       connection->src_instance_name->str, bt_value_null);
+               if (ret) {
+                       goto end;
+               }
+
+               ret = bt_value_map_insert(connected_components,
+                       connection->dst_instance_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_put(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;
+       struct 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->src_instance_name->str,
+                       connection->src_port_name->str,
+                       connection->dst_instance_name->str,
+                       connection->dst_port_name->str);
+
+               if (bt_value_map_has_key(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(flat_connection_names,
+                       flat_connection_name->str, bt_value_null);
+               if (ret) {
+                       goto end;
+               }
+       }
+
+end:
+       bt_put(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_create_connections(struct bt_config *cfg,
+               struct 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_size(connection_args); i++) {
+               struct bt_value *arg_value =
+                       bt_value_array_get(connection_args, i);
+               const char *arg;
+               struct bt_config_connection *cfg_connection;
+
+               ret = bt_value_string_get(arg_value, &arg);
+               BT_PUT(arg_value);
+               assert(ret == 0);
+               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-connect.h b/cli/babeltrace-cfg-connect.h
new file mode 100644 (file)
index 0000000..98f9d04
--- /dev/null
@@ -0,0 +1,46 @@
+#ifndef BABELTRACE_CONNECT_H
+#define BABELTRACE_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/values.h>
+#include <glib.h>
+#include "babeltrace-cfg.h"
+
+struct bt_config_connection {
+       GString *src_instance_name;
+       GString *dst_instance_name;
+       GString *src_port_name;
+       GString *dst_port_name;
+       GString *arg;
+};
+
+int bt_config_create_connections(struct bt_config *cfg,
+               struct bt_value *connection_args,
+               char *error_buf, size_t error_buf_size);
+
+void bt_config_connection_destroy(struct bt_config_connection *connection);
+
+#endif /* BABELTRACE_CONNECT_H */
diff --git a/cli/babeltrace-cfg.c b/cli/babeltrace-cfg.c
new file mode 100644 (file)
index 0000000..bf36be9
--- /dev/null
@@ -0,0 +1,4727 @@
+/*
+ * 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 <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <inttypes.h>
+#include <babeltrace/babeltrace.h>
+#include <babeltrace/common-internal.h>
+#include <babeltrace/values.h>
+#include <popt.h>
+#include <glib.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include "babeltrace-cfg.h"
+#include "babeltrace-cfg-connect.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 negative number value */
+       INI_EXPECT_VALUE_NUMBER_NEG,
+
+       /* 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) */
+       struct 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;
+       struct bt_value *names;
+       struct 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");
+}
+
+static
+int ini_handle_state(struct ini_parsing_state *state)
+{
+       int ret = 0;
+       GTokenType token_type;
+       struct 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:
+                       case INI_EXPECT_VALUE_NUMBER_NEG:
+                               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_key(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:
+       {
+               switch (token_type) {
+               case G_TOKEN_CHAR:
+                       if (state->scanner->value.v_char == '-') {
+                               /* Negative number */
+                               state->expecting =
+                                       INI_EXPECT_VALUE_NUMBER_NEG;
+                               goto success;
+                       } else {
+                               ini_append_error_expecting(state,
+                                       state->scanner, "value");
+                               goto error;
+                       }
+                       break;
+               case G_TOKEN_INT:
+               {
+                       /* Positive integer */
+                       uint64_t int_val = state->scanner->value.v_int64;
+
+                       if (int_val > (1ULL << 63) - 1) {
+                               g_string_append_printf(state->ini_error,
+                                       "Integer value %" PRIu64 " is outside the range of a 64-bit signed integer\n",
+                                       int_val);
+                               goto error;
+                       }
+
+                       value = bt_value_integer_create_init(
+                               (int64_t) int_val);
+                       break;
+               }
+               case G_TOKEN_FLOAT:
+                       /* Positive floating point number */
+                       value = bt_value_float_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 */
+                       break;
+               }
+
+               if (!value) {
+                       ini_append_error_expecting(state,
+                               state->scanner, "value");
+                       goto error;
+               }
+
+               state->expecting = INI_EXPECT_COMMA;
+               goto success;
+       }
+       case INI_EXPECT_VALUE_NUMBER_NEG:
+       {
+               switch (token_type) {
+               case G_TOKEN_INT:
+               {
+                       /* Negative integer */
+                       uint64_t int_val = state->scanner->value.v_int64;
+
+                       if (int_val > (1ULL << 63) - 1) {
+                               g_string_append_printf(state->ini_error,
+                                       "Integer value -%" PRIu64 " is outside the range of a 64-bit signed integer\n",
+                                       int_val);
+                               goto error;
+                       }
+
+                       value = bt_value_integer_create_init(
+                               -((int64_t) int_val));
+                       break;
+               }
+               case G_TOKEN_FLOAT:
+                       /* Negative floating point number */
+                       value = bt_value_float_create_init(
+                               -state->scanner->value.v_float);
+                       break;
+               default:
+                       /* Unset value variable will trigger the error */
+                       break;
+               }
+
+               if (!value) {
+                       ini_append_error_expecting(state,
+                               state->scanner, "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:
+               assert(false);
+       }
+
+error:
+       ret = -1;
+       goto end;
+
+success:
+       if (value) {
+               if (bt_value_map_insert(state->params,
+                               state->last_map_key, value)) {
+                       /* Only override return value on error */
+                       ret = -1;
+               }
+       }
+
+end:
+       BT_PUT(value);
+       return ret;
+}
+
+/*
+ * Converts an INI-style argument to an equivalent map value object.
+ *
+ * Return value is owned by the caller.
+ */
+static
+struct 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_PUT(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
+struct bt_value *bt_value_from_arg(const char *arg)
+{
+       struct 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 and component class names, and the instance name,
+ * from a command-line source/filter/sink option's argument. arg must
+ * have the following format:
+ *
+ *     [NAME:]PLUGIN.CLS
+ *
+ * where NAME is the optional component name, PLUGIN is the plugin name,
+ * and CLS is the component class name.
+ *
+ * On success, both *plugin and *component are not NULL. *plugin
+ * and *component are owned by the caller. On success, *name can be NULL
+ * if no component name was found.
+ */
+static
+void plugin_comp_cls_names(const char *arg, char **name, char **plugin,
+               char **comp_cls)
+{
+       const char *at = arg;
+       GString *gs_name = NULL;
+       GString *gs_plugin = NULL;
+       GString *gs_comp_cls = NULL;
+       size_t end_pos;
+
+       assert(arg);
+       assert(plugin);
+       assert(comp_cls);
+
+       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 plugin name */
+       gs_plugin = bt_common_string_until(at, ".:\\", ".", &end_pos);
+       if (!gs_plugin || gs_plugin->len == 0 || at[end_pos] == '\0') {
+               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) {
+               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 (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 (name) {
+               *name = NULL;
+       }
+
+       *plugin = NULL;
+       *comp_cls = NULL;
+
+end:
+       return;
+}
+
+/*
+ * Prints the Babeltrace version.
+ */
+static
+void print_version(void)
+{
+       puts("Babeltrace " VERSION);
+}
+
+/*
+ * Destroys a component configuration.
+ */
+static
+void bt_config_component_destroy(struct 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_PUT(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(
+               enum 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(cfg_component, 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_PUT(cfg_component);
+
+end:
+       return cfg_component;
+}
+
+/*
+ * Creates a component configuration from a command-line source/sink
+ * option's argument.
+ */
+struct bt_config_component *bt_config_component_from_arg(
+               enum bt_component_class_type type, const char *arg)
+{
+       struct bt_config_component *cfg_comp = NULL;
+       char *name = NULL;
+       char *plugin_name = NULL;
+       char *comp_cls_name = NULL;
+
+       plugin_comp_cls_names(arg, &name, &plugin_name, &comp_cls_name);
+       if (!plugin_name || !comp_cls_name) {
+               printf_err("Cannot get plugin or component class name\n");
+               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_PUT(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(struct bt_object *obj)
+{
+       struct bt_config *cfg =
+               container_of(obj, struct bt_config, base);
+
+       if (!obj) {
+               goto end;
+       }
+
+       BT_PUT(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_PUT(cfg->cmd_data.help.cfg_component);
+               break;
+       case BT_CONFIG_COMMAND_QUERY:
+               BT_PUT(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);
+               }
+               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);
+               }
+               break;
+       default:
+               assert(false);
+       }
+
+       g_free(cfg);
+
+end:
+       return;
+}
+
+static void destroy_gstring(void *data)
+{
+       g_string_free(data, TRUE);
+}
+
+static void destroy_glist_of_gstring(GList *list)
+{
+       if (!list) {
+               return;
+       }
+
+       GList *at;
+
+       for (at = list; at != NULL; at = g_list_next(at)) {
+               g_string_free(at->data, TRUE);
+       }
+
+       g_list_free(list);
+}
+
+/*
+ * Extracts the various paths from the string arg, delimited by ':',
+ * and appends them to the array value object plugin_paths.
+ */
+enum bt_value_status bt_config_append_plugin_paths(
+               struct bt_value *plugin_paths, const char *arg)
+{
+       enum bt_value_status status = BT_VALUE_STATUS_OK;
+       GPtrArray *dirs = g_ptr_array_new_with_free_func(destroy_gstring);
+       int ret;
+       size_t i;
+
+       if (!dirs) {
+               status = BT_VALUE_STATUS_ERROR;
+               goto end;
+       }
+
+       ret = bt_common_append_plugin_path_dirs(arg, dirs);
+       if (ret) {
+               status = BT_VALUE_STATUS_ERROR;
+               goto end;
+       }
+
+       for (i = 0; i < dirs->len; i++) {
+               GString *dir = g_ptr_array_index(dirs, i);
+
+               bt_value_array_append_string(plugin_paths, dir->str);
+       }
+
+end:
+       g_ptr_array_free(dirs, TRUE);
+       return status;
+}
+
+/*
+ * 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
+struct bt_value *names_from_arg(const char *arg)
+{
+       GScanner *scanner = NULL;
+       struct 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(names,
+                                               "payload")) {
+                                       goto error;
+                               }
+                       } else if (!strcmp(identifier, "context") ||
+                                       !strcmp(identifier, "ctx")) {
+                               found_item = true;
+                               if (bt_value_array_append_string(names,
+                                               "context")) {
+                                       goto error;
+                               }
+                       } else if (!strcmp(identifier, "scope") ||
+                                       !strcmp(identifier, "header")) {
+                               found_item = true;
+                               if (bt_value_array_append_string(names,
+                                               identifier)) {
+                                       goto error;
+                               }
+                       } else if (!strcmp(identifier, "all")) {
+                               found_all = true;
+                               if (bt_value_array_append_string(names,
+                                               identifier)) {
+                                       goto error;
+                               }
+                       } else if (!strcmp(identifier, "none")) {
+                               found_none = true;
+                               if (bt_value_array_append_string(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(names, "none")) {
+                       goto error;
+               }
+       }
+       if (scanner) {
+               g_scanner_destroy(scanner);
+       }
+       return names;
+
+error:
+       BT_PUT(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
+struct bt_value *fields_from_arg(const char *arg)
+{
+       GScanner *scanner = NULL;
+       struct 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(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_PUT(fields);
+
+end:
+       if (scanner) {
+               g_scanner_destroy(scanner);
+       }
+       return fields;
+}
+
+static
+void append_param_arg(GString *params_arg, const char *key, const char *value)
+{
+       assert(params_arg);
+       assert(key);
+       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,
+               struct bt_value *names_array, const char *prefix)
+{
+       int ret = 0;
+       int i;
+       GString *tmpstr = NULL, *default_value = NULL;
+
+       /*
+        * 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_size(names_array); i++) {
+               struct bt_value *str_obj = bt_value_array_get(names_array, i);
+               const char *suffix;
+               bool is_default = false;
+
+               if (!str_obj) {
+                       printf_err("Unexpected error\n");
+                       ret = -1;
+                       goto end;
+               }
+
+               ret = bt_value_string_get(str_obj, &suffix);
+               BT_PUT(str_obj);
+               if (ret) {
+                       printf_err("Unexpected error\n");
+                       goto end;
+               }
+
+               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) {
+                       g_string_append(tmpstr, "default");
+                       append_param_arg(params_arg, tmpstr->str,
+                               default_value->str);
+               } else {
+                       g_string_append(tmpstr, suffix);
+                       append_param_arg(params_arg, tmpstr->str, "yes");
+               }
+       }
+
+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_CONNECT,
+       OPT_DEBUG,
+       OPT_DEBUG_INFO_DIR,
+       OPT_DEBUG_INFO_FULL_PATH,
+       OPT_DEBUG_INFO_TARGET_PREFIX,
+       OPT_END,
+       OPT_FIELDS,
+       OPT_FILTER,
+       OPT_HELP,
+       OPT_INPUT_FORMAT,
+       OPT_KEY,
+       OPT_LIST,
+       OPT_NAME,
+       OPT_NAMES,
+       OPT_NO_DEBUG_INFO,
+       OPT_NO_DELTA,
+       OPT_OMIT_HOME_PLUGIN_PATH,
+       OPT_OMIT_SYSTEM_PLUGIN_PATH,
+       OPT_OUTPUT_FORMAT,
+       OPT_OUTPUT,
+       OPT_PARAMS,
+       OPT_PATH,
+       OPT_PLUGIN_PATH,
+       OPT_RESET_BASE_PARAMS,
+       OPT_RUN_ARGS,
+       OPT_RUN_ARGS_0,
+       OPT_SINK,
+       OPT_SOURCE,
+       OPT_STREAM_INTERSECTION,
+       OPT_TIMERANGE,
+       OPT_URL,
+       OPT_VALUE,
+       OPT_VERBOSE,
+};
+
+enum bt_config_component_dest {
+       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_get(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:
+               assert(false);
+       }
+}
+
+static int add_run_cfg_comp_check_name(struct bt_config *cfg,
+               struct bt_config_component *cfg_comp,
+               enum bt_config_component_dest dest,
+               struct 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_key(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(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(struct bt_value *plugin_paths)
+{
+       int ret = 0;
+       const char *envvar;
+
+       if (bt_common_is_setuid_setgid()) {
+               printf_debug("Skipping non-system plugin paths for setuid/setgid binary\n");
+               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(struct 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()) {
+                       printf_debug("Skipping non-system plugin paths for setuid/setgid binary\n");
+               } 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,
+               struct 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(cfg, bt_config_destroy);
+       cfg->command = command;
+       cfg->command_needs_plugins = needs_plugins;
+
+       if (initial_plugin_paths) {
+               cfg->plugin_paths = bt_get(initial_plugin_paths);
+       } else {
+               cfg->plugin_paths = bt_value_array_create();
+               if (!cfg->plugin_paths) {
+                       print_err_oom();
+                       goto error;
+               }
+       }
+
+       goto end;
+
+error:
+       BT_PUT(cfg);
+
+end:
+       return cfg;
+}
+
+static struct bt_config *bt_config_run_create(
+               struct 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_put);
+       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_put);
+       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_put);
+       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_PUT(cfg);
+
+end:
+       return cfg;
+}
+
+static struct bt_config *bt_config_list_plugins_create(
+               struct 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_PUT(cfg);
+
+end:
+       return cfg;
+}
+
+static struct bt_config *bt_config_help_create(
+               struct 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(BT_COMPONENT_CLASS_TYPE_UNKNOWN,
+                       NULL, NULL);
+       if (!cfg->cmd_data.help.cfg_component) {
+               goto error;
+       }
+
+       goto end;
+
+error:
+       BT_PUT(cfg);
+
+end:
+       return cfg;
+}
+
+static struct bt_config *bt_config_query_create(
+               struct 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_PUT(cfg);
+
+end:
+       return cfg;
+}
+
+static struct bt_config *bt_config_print_ctf_metadata_create(
+               struct 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;
+       }
+
+       goto end;
+
+error:
+       BT_PUT(cfg);
+
+end:
+       return cfg;
+}
+
+static struct bt_config *bt_config_print_lttng_live_sessions_create(
+               struct 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;
+       }
+
+       goto end;
+
+error:
+       BT_PUT(cfg);
+
+end:
+       return cfg;
+}
+
+int bt_config_append_plugin_paths_check_setuid_setgid(
+               struct bt_value *plugin_paths, const char *arg)
+{
+       int ret = 0;
+
+       if (bt_common_is_setuid_setgid()) {
+               printf_debug("Skipping non-system plugin paths for setuid/setgid binary\n");
+               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) 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, "\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, "    observe=3.14, simple=beef, needs-quotes=\"some string\",\n");
+       fprintf(fp, "    escape.chars-are:allowed=\"this is a \\\" double quote\"\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run babeltrace\n");
+       fprintf(fp, "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] --source=PLUGIN.CLS\n");
+       fprintf(fp, "       babeltrace [GENERAL OPTIONS] help [OPTIONS] --filter=PLUGIN.CLS\n");
+       fprintf(fp, "       babeltrace [GENERAL OPTIONS] help [OPTIONS] --sink=PLUGIN.CLS\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "  -f, --filter=PLUGIN.CLS           Get help for the filter component class\n");
+       fprintf(fp, "                                    CLS found in the plugin PLUGIN\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, "  -S, --sink=PLUGIN.CLS             Get help for the sink component class\n");
+       fprintf(fp, "                                    CLS found in the plugin PLUGIN\n");
+       fprintf(fp, "  -s, --source=PLUGIN.CLS           Get help for the source component class\n");
+       fprintf(fp, "                                    CLS found in the plugin PLUGIN\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 */
+       { "filter", 'f', POPT_ARG_STRING, NULL, OPT_FILTER, NULL, NULL },
+       { "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 },
+       { "sink", 'S', POPT_ARG_STRING, NULL, OPT_SINK, NULL, NULL },
+       { "source", 's', POPT_ARG_STRING, NULL, OPT_SOURCE, 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 omit_system_plugin_path,
+               bool omit_home_plugin_path,
+               struct 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;
+       char *plug_comp_cls_names = NULL;
+
+       *retcode = 0;
+       cfg = bt_config_help_create(initial_plugin_paths);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->omit_system_plugin_path = omit_system_plugin_path;
+       cfg->omit_home_plugin_path = 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_SOURCE:
+               case OPT_FILTER:
+               case OPT_SINK:
+                       if (cfg->cmd_data.help.cfg_component->type !=
+                                       BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
+                               printf_err("Cannot specify more than one plugin and component class:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       switch (opt) {
+                       case OPT_SOURCE:
+                               cfg->cmd_data.help.cfg_component->type =
+                                       BT_COMPONENT_CLASS_TYPE_SOURCE;
+                               break;
+                       case OPT_FILTER:
+                               cfg->cmd_data.help.cfg_component->type =
+                                       BT_COMPONENT_CLASS_TYPE_FILTER;
+                               break;
+                       case OPT_SINK:
+                               cfg->cmd_data.help.cfg_component->type =
+                                       BT_COMPONENT_CLASS_TYPE_SINK;
+                               break;
+                       default:
+                               assert(false);
+                       }
+                       plug_comp_cls_names = strdup(arg);
+                       if (!plug_comp_cls_names) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       break;
+               case OPT_HELP:
+                       print_help_usage(stdout);
+                       *retcode = -1;
+                       BT_PUT(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) {
+               if (cfg->cmd_data.help.cfg_component->type !=
+                                       BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
+                       printf_err("Cannot specify plugin name and --source/--filter/--sink component class:\n    %s\n",
+                               leftover);
+                       goto error;
+               }
+
+               g_string_assign(cfg->cmd_data.help.cfg_component->plugin_name,
+                       leftover);
+       } else {
+               if (cfg->cmd_data.help.cfg_component->type ==
+                                       BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
+                       print_help_usage(stdout);
+                       *retcode = -1;
+                       BT_PUT(cfg);
+                       goto end;
+               }
+
+               plugin_comp_cls_names(plug_comp_cls_names, NULL,
+                       &plugin_name, &comp_cls_name);
+               if (plugin_name && comp_cls_name) {
+                       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 {
+                       printf_err("Invalid --source/--filter/--sink option's argument:\n    %s\n",
+                               plug_comp_cls_names);
+                       goto error;
+               }
+       }
+
+       if (append_home_and_system_plugin_paths_cfg(cfg)) {
+               goto error;
+       }
+
+       goto end;
+
+error:
+       *retcode = 1;
+       BT_PUT(cfg);
+
+end:
+       free(plug_comp_cls_names);
+       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] OBJECT --source=PLUGIN.CLS\n");
+       fprintf(fp, "       babeltrace [GEN OPTS] query [OPTS] OBJECT --filter=PLUGIN.CLS\n");
+       fprintf(fp, "       babeltrace [GEN OPTS] query [OPTS] OBJECT --sink=PLUGIN.CLS\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Options:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "  -f. --filter=PLUGIN.CLS           Query object from the filter component\n");
+       fprintf(fp, "                                    class CLS found in the plugin PLUGIN\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, "  -S, --sink=PLUGIN.CLS             Query object from the sink component class\n");
+       fprintf(fp, "                                    CLS found in the plugin PLUGIN\n");
+       fprintf(fp, "  -s, --source=PLUGIN.CLS           Query object from the source component\n");
+       fprintf(fp, "                                    class CLS found in the plugin PLUGIN\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 */
+       { "filter", 'f', POPT_ARG_STRING, NULL, OPT_FILTER, NULL, NULL },
+       { "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 },
+       { "sink", 'S', POPT_ARG_STRING, NULL, OPT_SINK, NULL, NULL },
+       { "source", 's', POPT_ARG_STRING, NULL, OPT_SOURCE, 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 omit_system_plugin_path,
+               bool omit_home_plugin_path,
+               struct bt_value *initial_plugin_paths)
+{
+       poptContext pc = NULL;
+       char *arg = NULL;
+       int opt;
+       int ret;
+       struct bt_config *cfg = NULL;
+       const char *leftover;
+       struct bt_value *params = bt_value_null;
+
+       *retcode = 0;
+       cfg = bt_config_query_create(initial_plugin_paths);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->omit_system_plugin_path =
+               omit_system_plugin_path;
+       cfg->omit_home_plugin_path = 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_SOURCE:
+               case OPT_FILTER:
+               case OPT_SINK:
+               {
+                       enum bt_component_class_type type;
+
+                       if (cfg->cmd_data.query.cfg_component) {
+                               printf_err("Cannot specify more than one plugin and component class:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       switch (opt) {
+                       case OPT_SOURCE:
+                               type = BT_COMPONENT_CLASS_TYPE_SOURCE;
+                               break;
+                       case OPT_FILTER:
+                               type = BT_COMPONENT_CLASS_TYPE_FILTER;
+                               break;
+                       case OPT_SINK:
+                               type = BT_COMPONENT_CLASS_TYPE_SINK;
+                               break;
+                       default:
+                               assert(false);
+                       }
+
+                       cfg->cmd_data.query.cfg_component =
+                               bt_config_component_from_arg(type, arg);
+                       if (!cfg->cmd_data.query.cfg_component) {
+                               printf_err("Invalid format for --source/--filter/--sink option's argument:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       /* Default parameters: null */
+                       bt_put(cfg->cmd_data.query.cfg_component->params);
+                       cfg->cmd_data.query.cfg_component->params =
+                               bt_value_null;
+                       break;
+               }
+               case OPT_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_PUT(cfg);
+                       goto end;
+               default:
+                       printf_err("Unknown command-line option specified (option code %d)\n",
+                               opt);
+                       goto error;
+               }
+
+               free(arg);
+               arg = NULL;
+       }
+
+       if (!cfg->cmd_data.query.cfg_component) {
+               printf_err("No target component class specified with --source/--filter/--sink option\n");
+               goto error;
+       }
+
+       assert(params);
+       BT_MOVE(cfg->cmd_data.query.cfg_component->params, params);
+
+       /* 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 one leftover argument which is the
+        * mandatory object.
+        */
+       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_PUT(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_PUT(cfg);
+
+end:
+       if (pc) {
+               poptFreeContext(pc);
+       }
+
+       BT_PUT(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 omit_system_plugin_path,
+               bool omit_home_plugin_path,
+               struct 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 = omit_system_plugin_path;
+       cfg->omit_home_plugin_path = 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_PUT(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_PUT(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, --connect=CONNECTION          Connect two created components (see the\n");
+       fprintf(fp, "                                    expected format of CONNECTION below)\n");
+       fprintf(fp, "  -f, --filter=[NAME:]PLUGIN.CLS    Instantiate a filter component from plugin\n");
+       fprintf(fp, "                                    PLUGIN and component class CLS, set it as\n");
+       fprintf(fp, "                                    the current component, and if NAME is\n");
+       fprintf(fp, "                                    given, set its instance name to NAME\n");
+       fprintf(fp, "      --key=KEY                     Set the current initialization string\n");
+       fprintf(fp, "                                    parameter key to KEY (see --value)\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, "  -S, --sink=[NAME:]PLUGIN.CLS      Instantiate a sink component from plugin\n");
+       fprintf(fp, "                                    PLUGIN and component class CLS, set it as\n");
+       fprintf(fp, "                                    the current component, and if NAME is\n");
+       fprintf(fp, "                                    given, set its instance name to NAME\n");
+       fprintf(fp, "  -s, --source=[NAME:]PLUGIN.CLS    Instantiate a source component from plugin\n");
+       fprintf(fp, "                                    PLUGIN and component class CLS, set it as\n");
+       fprintf(fp, "                                    the current component, and if NAME is\n");
+       fprintf(fp, "                                    given, set its instance name to NAME\n");
+       fprintf(fp, "      --value=VAL                   Add a string initialization parameter to\n");
+       fprintf(fp, "                                    the current component with a name given by\n");
+       fprintf(fp, "                                    the last argument of the --key option and a\n");
+       fprintf(fp, "                                    value set to VAL\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 the names of the upstream and downstream components\n");
+       fprintf(fp, "to connect together. You can set the name of the current component with the\n");
+       fprintf(fp, "--name option.\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "UPSTREAM-PORT and DOWNSTREAM-PORT are the optional upstream and downstream\n");
+       fprintf(fp, "ports to use for the connection. When the port is not specified, the default\n");
+       fprintf(fp, "port is used.\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, "Example:\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "    my-filter.top10:json-out\n");
+       fprintf(fp, "\n\n");
+       print_expected_params_format(fp);
+}
+
+static struct poptOption run_long_options[] = {
+       /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+       { "base-params", 'b', POPT_ARG_STRING, NULL, OPT_BASE_PARAMS, NULL, NULL },
+       { "connect", 'c', POPT_ARG_STRING, NULL, OPT_CONNECT, NULL, NULL },
+       { "filter", 'f', POPT_ARG_STRING, NULL, OPT_FILTER, NULL, NULL },
+       { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+       { "key", '\0', POPT_ARG_STRING, NULL, OPT_KEY, 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 },
+       { "sink", 'S', POPT_ARG_STRING, NULL, OPT_SINK, NULL, NULL },
+       { "source", 's', POPT_ARG_STRING, NULL, OPT_SOURCE, NULL, NULL },
+       { "value", '\0', POPT_ARG_STRING, NULL, OPT_VALUE, NULL, NULL },
+       { NULL, 0, 0, NULL, 0, NULL, NULL },
+};
+
+/*
+ * 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 omit_system_plugin_path,
+               bool omit_home_plugin_path,
+               struct 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;
+       struct bt_value *cur_base_params = NULL;
+       int opt, ret = 0;
+       struct bt_config *cfg = NULL;
+       struct bt_value *instance_names = NULL;
+       struct bt_value *connection_args = NULL;
+       GString *cur_param_key = NULL;
+       char error_buf[256] = { 0 };
+
+       *retcode = 0;
+       cur_param_key = g_string_new(NULL);
+       if (!cur_param_key) {
+               print_err_oom();
+               goto error;
+       }
+
+       if (argc <= 1) {
+               print_run_usage(stdout);
+               *retcode = -1;
+               goto end;
+       }
+
+       cfg = bt_config_run_create(initial_plugin_paths);
+       if (!cfg) {
+               goto error;
+       }
+
+       cfg->omit_system_plugin_path = omit_system_plugin_path;
+       cfg->omit_home_plugin_path = 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_SOURCE:
+               case OPT_FILTER:
+               case OPT_SINK:
+               {
+                       enum bt_component_class_type new_comp_type;
+                       enum bt_config_component_dest new_dest;
+                       const char *opt_name;
+
+                       switch (opt) {
+                       case OPT_SOURCE:
+                               new_comp_type = BT_COMPONENT_CLASS_TYPE_SOURCE;
+                               new_dest = BT_CONFIG_COMPONENT_DEST_SOURCE;
+                               opt_name = "--source";
+                               break;
+                       case OPT_FILTER:
+                               new_comp_type = BT_COMPONENT_CLASS_TYPE_FILTER;
+                               new_dest = BT_CONFIG_COMPONENT_DEST_FILTER;
+                               opt_name = "--filter";
+                               break;
+                       case OPT_SINK:
+                               new_comp_type = BT_COMPONENT_CLASS_TYPE_SINK;
+                               new_dest = BT_CONFIG_COMPONENT_DEST_SINK;
+                               opt_name = "--sink";
+                               break;
+                       default:
+                               assert(false);
+                       }
+
+                       if (cur_cfg_comp) {
+                               ret = add_run_cfg_comp_check_name(cfg,
+                                       cur_cfg_comp, cur_cfg_comp_dest,
+                                       instance_names);
+                               BT_PUT(cur_cfg_comp);
+                               if (ret) {
+                                       goto error;
+                               }
+                       }
+
+                       cur_cfg_comp = bt_config_component_from_arg(
+                               new_comp_type, arg);
+                       if (!cur_cfg_comp) {
+                               printf_err("Invalid format for %s option's argument:\n    %s\n",
+                                       opt_name, arg);
+                               goto error;
+                       }
+
+                       assert(cur_base_params);
+                       bt_put(cur_cfg_comp->params);
+                       cur_cfg_comp->params = bt_value_copy(cur_base_params);
+                       if (!cur_cfg_comp->params) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       cur_cfg_comp_dest = new_dest;
+                       break;
+               }
+               case OPT_PARAMS:
+               {
+                       struct bt_value *params;
+                       struct 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;
+                       }
+
+                       params_to_set = bt_value_map_extend(cur_cfg_comp->params,
+                               params);
+                       BT_PUT(params);
+                       if (!params_to_set) {
+                               printf_err("Cannot extend current component parameters with --params option's argument:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       BT_MOVE(cur_cfg_comp->params, params_to_set);
+                       break;
+               }
+               case OPT_KEY:
+                       if (strlen(arg) == 0) {
+                               printf_err("Cannot set an empty string as the current parameter key\n");
+                               goto error;
+                       }
+
+                       g_string_assign(cur_param_key, arg);
+                       break;
+               case OPT_VALUE:
+                       if (!cur_cfg_comp) {
+                               printf_err("Cannot set a parameter's value of unavailable component:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       if (cur_param_key->len == 0) {
+                               printf_err("--value option specified without preceding --key option:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       if (bt_value_map_insert_string(cur_cfg_comp->params,
+                                       cur_param_key->str, arg)) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       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:
+               {
+                       struct 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_MOVE(cur_base_params, params);
+                       break;
+               }
+               case OPT_RESET_BASE_PARAMS:
+                       BT_PUT(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(connection_args,
+                                       arg)) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       break;
+               case OPT_HELP:
+                       print_run_usage(stdout);
+                       *retcode = -1;
+                       BT_PUT(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_PUT(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_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_PUT(cfg);
+
+end:
+       if (pc) {
+               poptFreeContext(pc);
+       }
+
+       if (cur_param_key) {
+               g_string_free(cur_param_key, TRUE);
+       }
+
+       free(arg);
+       BT_PUT(cur_cfg_comp);
+       BT_PUT(cur_base_params);
+       BT_PUT(instance_names);
+       BT_PUT(connection_args);
+       return cfg;
+}
+
+static
+struct bt_config *bt_config_run_from_args_array(struct bt_value *run_args,
+               int *retcode, bool omit_system_plugin_path,
+               bool omit_home_plugin_path,
+               struct bt_value *initial_plugin_paths)
+{
+       struct bt_config *cfg = NULL;
+       const char **argv;
+       size_t i;
+       const size_t argc = bt_value_array_size(run_args) + 1;
+
+       argv = calloc(argc, sizeof(*argv));
+       if (!argv) {
+               print_err_oom();
+               goto end;
+       }
+
+       argv[0] = "run";
+
+       for (i = 0; i < bt_value_array_size(run_args); i++) {
+               int ret;
+               struct bt_value *arg_value = bt_value_array_get(run_args, i);
+               const char *arg;
+
+               assert(arg_value);
+               ret = bt_value_string_get(arg_value, &arg);
+               assert(ret == 0);
+               assert(arg);
+               argv[i + 1] = arg;
+               bt_put(arg_value);
+       }
+
+       cfg = bt_config_run_from_args(argc, argv, retcode,
+               omit_system_plugin_path, 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, "      --filter=[NAME:]PLUGIN.CLS    Instantiate a filter component from plugin\n");
+       fprintf(fp, "                                    PLUGIN and component class CLS, set it as\n");
+       fprintf(fp, "                                    the current component, and if NAME is\n");
+       fprintf(fp, "                                    given, set its instance name to 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, "                                    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, "      --sink=[NAME:]PLUGIN.CLS      Instantiate a sink component from plugin\n");
+       fprintf(fp, "                                    PLUGIN and component class CLS, set it as\n");
+       fprintf(fp, "                                    the current component, and if NAME is\n");
+       fprintf(fp, "                                    given, set its instance name to NAME\n");
+       fprintf(fp, "      --source=[NAME:]PLUGIN.CLS    Instantiate a source component from plugin\n");
+       fprintf(fp, "                                    PLUGIN and component class CLS, set it as\n");
+       fprintf(fp, "                                    the current component, and if NAME is\n");
+       fprintf(fp, "                                    given, set its instance name to NAME\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 `ctf.fs` source 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, "      --stream-intersection         Only process events when all streams\n");
+       fprintf(fp, "                                    are active\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "Implicit `text.text` sink 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 `utils.muxer` filter 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 `utils.trimmer` filter 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 `lttng-utils.debug-info` filter component options:\n");
+       fprintf(fp, "\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, "      --no-debug-info               Do not create an implicit\n");
+       fprintf(fp, "                                    `lttng-utils.debug-info` filter component\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 `ctf.fs` source\n");
+       fprintf(fp, "                                      component\n");
+       fprintf(fp, "                                    `lttng-live`:\n");
+       fprintf(fp, "                                      Create an implicit `ctf.lttng-live`\n");
+       fprintf(fp, "                                      source component\n");
+       fprintf(fp, "  -o, --output-format=(text | dummy | ctf-metadata)\n");
+       fprintf(fp, "                                    `text`:\n");
+       fprintf(fp, "                                      Create an implicit `text.text` sink\n");
+       fprintf(fp, "                                      component\n");
+       fprintf(fp, "                                    `dummy`:\n");
+       fprintf(fp, "                                      Create an implicit `utils.dummy` sink\n");
+       fprintf(fp, "                                      component\n");
+       fprintf(fp, "                                    `ctf-metadata`:\n");
+       fprintf(fp, "                                      Query the `ctf.fs` component class for\n");
+       fprintf(fp, "                                      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 },
+       { "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 },
+       { "filter", '\0', POPT_ARG_STRING, NULL, OPT_FILTER, 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 },
+       { "no-debug-info", '\0', POPT_ARG_NONE, NULL, OPT_NO_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 },
+       { "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 },
+       { "sink", '\0', POPT_ARG_STRING, NULL, OPT_SINK, NULL, NULL },
+       { "source", '\0', POPT_ARG_STRING, NULL, OPT_SOURCE, 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,
+               struct 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_key(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_key(existing_names, auto_name->str));
+
+end:
+       return auto_name;
+}
+
+struct implicit_component_args {
+       bool exists;
+       GString *plugin_comp_cls_arg;
+       GString *name_arg;
+       GString *params_arg;
+       struct bt_value *extra_args;
+};
+
+static
+int assign_name_to_implicit_component(struct implicit_component_args *args,
+               const char *prefix, struct 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(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(
+               enum bt_component_class_type type,
+               struct implicit_component_args *impl_args,
+               struct bt_value *run_args)
+{
+       int ret = 0;
+       size_t i;
+
+       if (!impl_args->exists) {
+               goto end;
+       }
+
+       switch (type) {
+       case BT_COMPONENT_CLASS_TYPE_SOURCE:
+               if (bt_value_array_append_string(run_args, "--source")) {
+                       print_err_oom();
+                       goto error;
+               }
+               break;
+       case BT_COMPONENT_CLASS_TYPE_FILTER:
+               if (bt_value_array_append_string(run_args, "--filter")) {
+                       print_err_oom();
+                       goto error;
+               }
+               break;
+       case BT_COMPONENT_CLASS_TYPE_SINK:
+               if (bt_value_array_append_string(run_args, "--sink")) {
+                       print_err_oom();
+                       goto error;
+               }
+               break;
+       default:
+               assert(false);
+       }
+
+       if (bt_value_array_append_string(run_args,
+                       impl_args->plugin_comp_cls_arg->str)) {
+               print_err_oom();
+               goto error;
+       }
+
+       if (bt_value_array_append_string(run_args, "--name")) {
+               print_err_oom();
+               goto error;
+       }
+
+       if (bt_value_array_append_string(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(run_args, "--params")) {
+                       print_err_oom();
+                       goto error;
+               }
+
+               if (bt_value_array_append_string(run_args,
+                               impl_args->params_arg->str)) {
+                       print_err_oom();
+                       goto error;
+               }
+       }
+
+       for (i = 0; i < bt_value_array_size(impl_args->extra_args); i++) {
+               struct bt_value *elem;
+               const char *arg;
+
+               elem = bt_value_array_get(impl_args->extra_args, i);
+               if (!elem) {
+                       goto error;
+               }
+
+               assert(bt_value_is_string(elem));
+               if (bt_value_string_get(elem, &arg)) {
+                       goto error;
+               }
+
+               ret = bt_value_array_append_string(run_args, arg);
+               bt_put(elem);
+               if (ret) {
+                       print_err_oom();
+                       goto error;
+               }
+       }
+
+       goto end;
+
+error:
+       ret = -1;
+
+end:
+       return ret;
+}
+
+static
+void destroy_implicit_component_args(struct implicit_component_args *args)
+{
+       assert(args);
+
+       if (args->plugin_comp_cls_arg) {
+               g_string_free(args->plugin_comp_cls_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_put(args->extra_args);
+}
+
+static
+int init_implicit_component_args(struct implicit_component_args *args,
+               const char *plugin_comp_cls_arg, bool exists)
+{
+       int ret = 0;
+
+       args->exists = exists;
+       args->plugin_comp_cls_arg = g_string_new(plugin_comp_cls_arg);
+       args->name_arg = g_string_new(NULL);
+       args->params_arg = g_string_new(NULL);
+       args->extra_args = bt_value_array_create();
+
+       if (!args->plugin_comp_cls_arg || !args->name_arg ||
+                       !args->params_arg || !args->extra_args) {
+               ret = -1;
+               destroy_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)
+{
+       assert(args);
+       assert(key);
+       assert(value);
+       append_param_arg(args->params_arg, key, value);
+}
+
+static
+int append_implicit_component_extra_arg(struct implicit_component_args *args,
+               const char *key, const char *value)
+{
+       int ret = 0;
+
+       assert(args);
+       assert(key);
+       assert(value);
+
+       if (bt_value_array_append_string(args->extra_args, "--key")) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+       if (bt_value_array_append_string(args->extra_args, key)) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+       if (bt_value_array_append_string(args->extra_args, "--value")) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+       if (bt_value_array_append_string(args->extra_args, value)) {
+               print_err_oom();
+               ret = -1;
+               goto end;
+       }
+
+end:
+       return ret;
+}
+
+static
+int convert_append_name_param(enum bt_config_component_dest dest,
+               GString *cur_name, GString *cur_name_prefix,
+               struct bt_value *run_args, struct 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 --source/--filter/--sink */
+               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_key(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(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(run_args, "--name")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string(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:
+                       assert(false);
+               }
+
+               g_string_assign(cur_name_prefix, "");
+       }
+
+       goto end;
+
+error:
+       ret = -1;
+
+end:
+       return ret;
+}
+
+/*
+ * Escapes `.`, `:`, and `\` of `input` with `\`.
+ */
+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.
+ */
+int append_connect_arg(struct 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(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(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.
+ */
+int convert_auto_connect(struct 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;
+
+       assert(source_names);
+       assert(filter_names);
+       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;
+
+       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;
+       }
+
+       assert(begin);
+       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);
+
+       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 omit_system_plugin_path,
+               bool omit_home_plugin_path,
+               struct bt_value *initial_plugin_paths)
+{
+       poptContext pc = NULL;
+       char *arg = NULL;
+       enum bt_config_component_dest cur_comp_dest;
+       int opt, ret = 0;
+       struct bt_config *cfg = NULL;
+       bool got_verbose_opt = false;
+       bool got_debug_opt = false;
+       bool got_input_format_opt = false;
+       bool got_output_format_opt = false;
+       bool trimmer_has_begin = false;
+       bool trimmer_has_end = 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;
+       struct bt_value *run_args = NULL;
+       struct bt_value *all_names = NULL;
+       GList *source_names = NULL;
+       GList *filter_names = NULL;
+       GList *sink_names = NULL;
+       struct implicit_component_args implicit_ctf_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 };
+       struct bt_value *plugin_paths = bt_get(initial_plugin_paths);
+       char error_buf[256] = { 0 };
+       size_t i;
+       struct bt_common_lttng_live_url_parts lttng_live_url_parts = { 0 };
+
+       *retcode = 0;
+
+       if (argc <= 1) {
+               print_convert_usage(stdout);
+               *retcode = -1;
+               goto end;
+       }
+
+       if (init_implicit_component_args(&implicit_ctf_args, "ctf.fs", false)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_lttng_live_args,
+                       "ctf.lttng-live", false)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_text_args, "text.text",
+                       false)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_dummy_args, "utils.dummy",
+                       false)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_debug_info_args,
+                       "lttng-utils.debug-info", true)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_muxer_args, "utils.muxer",
+                       true)) {
+               goto error;
+       }
+
+       if (init_implicit_component_args(&implicit_trimmer_args,
+                       "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;
+       }
+
+       /*
+        * 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 -> --key path --value PATH
+        *     --url=URL   -> --key url --value 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_SOURCE:
+               case OPT_FILTER:
+               case OPT_SINK:
+                       /* 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);
+                       if (!plugin_name || !comp_cls_name) {
+                               printf_err("Invalid format for --source/--filter/--sink option's argument:\n    %s\n",
+                                       arg);
+                               goto error;
+                       }
+
+                       if (name) {
+                               g_string_assign(cur_name, name);
+                       } else {
+                               g_string_assign(cur_name, "");
+                       }
+
+                       switch (opt) {
+                       case OPT_SOURCE:
+                               cur_comp_dest =
+                                       BT_CONFIG_COMPONENT_DEST_SOURCE;
+                               if (bt_value_array_append_string(run_args,
+                                               "--source")) {
+                                       print_err_oom();
+                                       goto error;
+                               }
+                               break;
+                       case OPT_FILTER:
+                               cur_comp_dest =
+                                       BT_CONFIG_COMPONENT_DEST_FILTER;
+                               if (bt_value_array_append_string(run_args,
+                                               "--filter")) {
+                                       print_err_oom();
+                                       goto error;
+                               }
+                               break;
+                       case OPT_SINK:
+                               cur_comp_dest =
+                                       BT_CONFIG_COMPONENT_DEST_SINK;
+                               if (bt_value_array_append_string(run_args,
+                                               "--sink")) {
+                                       print_err_oom();
+                                       goto error;
+                               }
+                               break;
+                       default:
+                               assert(false);
+                       }
+
+                       if (bt_value_array_append_string(run_args, arg)) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       g_string_assign(cur_name_prefix, "");
+                       g_string_append(cur_name_prefix, plugin_name);
+                       g_string_append_c(cur_name_prefix, '.');
+                       g_string_append(cur_name_prefix, 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(run_args,
+                                       "--params")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string(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 (bt_value_array_append_string(run_args, "--key")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string(run_args, "path")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string(run_args, "--value")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string(run_args, arg)) {
+                               print_err_oom();
+                               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 (bt_value_array_append_string(run_args, "--key")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string(run_args, "url")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string(run_args, "--value")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string(run_args, arg)) {
+                               print_err_oom();
+                               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(run_args, "--name")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string(run_args, arg)) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       g_string_assign(cur_name, arg);
+                       break;
+               case OPT_OMIT_HOME_PLUGIN_PATH:
+                       if (bt_value_array_append_string(run_args,
+                                       "--omit-home-plugin-path")) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       break;
+               case OPT_OMIT_SYSTEM_PLUGIN_PATH:
+                       if (bt_value_array_append_string(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(run_args,
+                                       "--plugin-path")) {
+                               print_err_oom();
+                               goto error;
+                       }
+
+                       if (bt_value_array_append_string(run_args, arg)) {
+                               print_err_oom();
+                               goto error;
+                       }
+                       break;
+               case OPT_HELP:
+                       print_convert_usage(stdout);
+                       *retcode = -1;
+                       BT_PUT(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_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_DEBUG_INFO:
+               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_arg(
+                               &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_arg(
+                               &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_arg(
+                               &implicit_trimmer_args, "begin", begin);
+                       ret |= append_implicit_component_extra_arg(
+                               &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, "force-correlate", "yes");
+                       break;
+               case OPT_CLOCK_GMT:
+                       append_implicit_component_param(
+                               &implicit_text_args, "clock-gmt", "yes");
+                       implicit_text_args.exists = true;
+                       break;
+               case OPT_CLOCK_OFFSET:
+                       ret = append_implicit_component_extra_arg(
+                               &implicit_ctf_args, "clock-offset-cycles", arg);
+                       implicit_ctf_args.exists = true;
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               case OPT_CLOCK_OFFSET_NS:
+                       ret = append_implicit_component_extra_arg(
+                               &implicit_ctf_args, "clock-offset-ns", arg);
+                       implicit_ctf_args.exists = true;
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               case OPT_CLOCK_SECONDS:
+                       append_implicit_component_param(
+                               &implicit_text_args, "clock-seconds", "yes");
+                       implicit_text_args.exists = true;
+                       break;
+               case OPT_COLOR:
+                       ret = append_implicit_component_extra_arg(
+                               &implicit_text_args, "color", arg);
+                       implicit_text_args.exists = true;
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               case OPT_NO_DEBUG_INFO:
+                       implicit_debug_info_args.exists = false;
+                       break;
+               case OPT_DEBUG_INFO_DIR:
+                       ret = append_implicit_component_extra_arg(
+                               &implicit_debug_info_args, "dir", arg);
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               case OPT_DEBUG_INFO_FULL_PATH:
+                       append_implicit_component_param(
+                               &implicit_debug_info_args, "full-path", "yes");
+                       break;
+               case OPT_DEBUG_INFO_TARGET_PREFIX:
+                       ret = append_implicit_component_extra_arg(
+                               &implicit_debug_info_args,
+                               "target-prefix", arg);
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               case OPT_FIELDS:
+               {
+                       struct bt_value *fields = fields_from_arg(arg);
+
+                       if (!fields) {
+                               goto error;
+                       }
+
+                       ret = insert_flat_params_from_array(
+                               implicit_text_args.params_arg,
+                               fields, "field");
+                       bt_put(fields);
+                       if (ret) {
+                               goto error;
+                       }
+                       break;
+               }
+               case OPT_NAMES:
+               {
+                       struct bt_value *names = names_from_arg(arg);
+
+                       if (!names) {
+                               goto error;
+                       }
+
+                       ret = insert_flat_params_from_array(
+                               implicit_text_args.params_arg,
+                               names, "name");
+                       bt_put(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_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, "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:
+                       ret = append_implicit_component_extra_arg(
+                               &implicit_text_args, "path", arg);
+                       implicit_text_args.exists = true;
+                       if (ret) {
+                               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:
+                       append_implicit_component_param(&implicit_ctf_args,
+                               "stream-intersection", "yes");
+                       implicit_ctf_args.exists = true;
+                       break;
+               case OPT_VERBOSE:
+                       if (got_verbose_opt) {
+                               printf_err("Duplicate -v/--verbose option\n");
+                               goto error;
+                       }
+
+                       append_implicit_component_param(&implicit_text_args,
+                               "verbose", "yes");
+                       implicit_text_args.exists = true;
+                       got_verbose_opt = true;
+                       break;
+               case OPT_DEBUG:
+                       got_debug_opt = true;
+                       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;
+       }
+
+       /*
+        * Append home and system plugin paths now that we possibly got
+        * --plugin-path.
+        */
+       if (append_home_and_system_plugin_paths(plugin_paths,
+                       omit_system_plugin_path, omit_home_plugin_path)) {
+               goto error;
+       }
+
+       /* Consume leftover argument */
+       leftover = poptGetArg(pc);
+
+       if (poptPeekArg(pc)) {
+               printf_err("Unexpected argument:\n    %s\n",
+                       poptPeekArg(pc));
+               goto error;
+       }
+
+       /* Print CTF metadata or print LTTng-live sessions */
+       if (print_ctf_metadata) {
+               if (!leftover) {
+                       printf_err("--output-format=ctf-metadata specified without a path\n");
+                       goto error;
+               }
+
+               cfg = bt_config_print_ctf_metadata_create(plugin_paths);
+               if (!cfg) {
+                       goto error;
+               }
+
+               cfg->debug = got_debug_opt;
+               cfg->verbose = got_verbose_opt;
+               g_string_assign(cfg->cmd_data.print_ctf_metadata.path,
+                       leftover);
+               goto end;
+       }
+
+       /*
+        * If -o dummy was not specified, and if there are no explicit
+        * sink components, then use an implicit `text.text` sink.
+        */
+       if (!implicit_dummy_args.exists && !sink_names) {
+               implicit_text_args.exists = true;
+       }
+
+       /* Decide where the leftover argument goes */
+       if (leftover) {
+               if (implicit_lttng_live_args.exists) {
+                       lttng_live_url_parts =
+                               bt_common_parse_lttng_live_url(leftover,
+                                       error_buf, 256);
+                       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;
+                               }
+
+                               cfg->debug = got_debug_opt;
+                               cfg->verbose = got_verbose_opt;
+                               g_string_assign(cfg->cmd_data.print_lttng_live_sessions.url,
+                                       leftover);
+                               goto end;
+                       }
+
+                       ret = append_implicit_component_extra_arg(
+                               &implicit_lttng_live_args, "url", leftover);
+                       if (ret) {
+                               goto error;
+                       }
+               } else {
+                       ret = append_implicit_component_extra_arg(
+                               &implicit_ctf_args, "path", leftover);
+                       implicit_ctf_args.exists = true;
+                       if (ret) {
+                               goto error;
+                       }
+               }
+       }
+
+       /*
+        * Ensure mutual exclusion between implicit `ctf.fs` and
+        * `ctf.lttng-live` sources.
+        */
+       if (implicit_ctf_args.exists && implicit_lttng_live_args.exists) {
+               printf_err("Cannot create both implicit `ctf.fs` and `ctf.lttng-live` source components\n");
+               goto error;
+       }
+
+       /*
+        * If the implicit `ctf.fs` or `ctf.lttng-live` source exists,
+        * make sure there's a leftover (which is the path or URL).
+        */
+       if (implicit_ctf_args.exists && !leftover) {
+               printf_err("Missing path for implicit `ctf.fs` source component\n");
+               goto error;
+       }
+
+       if (implicit_lttng_live_args.exists && !leftover) {
+               printf_err("Missing URL for implicit `ctf.lttng-live` source component\n");
+               goto error;
+       }
+
+       /* Assign names to implicit components */
+       ret = assign_name_to_implicit_component(&implicit_ctf_args,
+               "ctf", 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,
+               "text", 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,
+               "mux", all_names, NULL, false);
+       if (ret) {
+               goto error;
+       }
+
+       ret = assign_name_to_implicit_component(&implicit_trimmer_args,
+               "trim", 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(
+               BT_COMPONENT_CLASS_TYPE_SOURCE, &implicit_ctf_args, run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(
+               BT_COMPONENT_CLASS_TYPE_SOURCE, &implicit_lttng_live_args,
+               run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(
+               BT_COMPONENT_CLASS_TYPE_SINK, &implicit_text_args, run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(
+               BT_COMPONENT_CLASS_TYPE_SINK, &implicit_dummy_args, run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(
+               BT_COMPONENT_CLASS_TYPE_FILTER, &implicit_muxer_args, run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(
+               BT_COMPONENT_CLASS_TYPE_FILTER, &implicit_trimmer_args,
+               run_args);
+       if (ret) {
+               goto error;
+       }
+
+       ret = append_run_args_for_implicit_component(
+               BT_COMPONENT_CLASS_TYPE_FILTER, &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) {
+               for (i = 0; i < bt_value_array_size(run_args); i++) {
+                       struct bt_value *arg_value =
+                               bt_value_array_get(run_args, i);
+                       const char *arg;
+                       GString *quoted = NULL;
+                       const char *arg_to_print;
+
+                       assert(arg_value);
+                       ret = bt_value_string_get(arg_value, &arg);
+                       assert(ret == 0);
+                       BT_PUT(arg_value);
+
+                       if (print_run_args) {
+                               quoted = bt_common_shell_quote(arg);
+                               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_size(run_args) - 1) {
+                               if (print_run_args) {
+                                       putchar(' ');
+                               } else {
+                                       putchar('\0');
+                               }
+                       }
+               }
+
+               *retcode = -1;
+               BT_PUT(cfg);
+               goto end;
+       }
+
+       cfg = bt_config_run_from_args_array(run_args, retcode,
+               omit_system_plugin_path, omit_home_plugin_path,
+               initial_plugin_paths);
+       goto end;
+
+error:
+       *retcode = 1;
+       BT_PUT(cfg);
+
+end:
+       if (pc) {
+               poptFreeContext(pc);
+       }
+
+       free(arg);
+
+       if (cur_name) {
+               g_string_free(cur_name, TRUE);
+       }
+
+       if (cur_name_prefix) {
+               g_string_free(cur_name_prefix, TRUE);
+       }
+
+       bt_put(run_args);
+       bt_put(all_names);
+       destroy_glist_of_gstring(source_names);
+       destroy_glist_of_gstring(filter_names);
+       destroy_glist_of_gstring(sink_names);
+       destroy_implicit_component_args(&implicit_ctf_args);
+       destroy_implicit_component_args(&implicit_lttng_live_args);
+       destroy_implicit_component_args(&implicit_dummy_args);
+       destroy_implicit_component_args(&implicit_text_args);
+       destroy_implicit_component_args(&implicit_debug_info_args);
+       destroy_implicit_component_args(&implicit_muxer_args);
+       destroy_implicit_component_args(&implicit_trimmer_args);
+       bt_put(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        Turn on debug mode\n");
+       fprintf(fp, "  -h  --help         Show this help and quit\n");
+       fprintf(fp, "  -v, --verbose      Turn on verbose mode\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");
+}
+
+struct bt_config *bt_config_from_args(int argc, const char *argv[],
+               int *retcode, bool omit_system_plugin_path,
+               bool omit_home_plugin_path,
+               struct bt_value *initial_plugin_paths)
+{
+       struct bt_config *config = NULL;
+       bool verbose = false;
+       bool debug = false;
+       int i;
+       const char **command_argv = NULL;
+       int command_argc = -1;
+       const char *command_name = NULL;
+
+       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_get(initial_plugin_paths);
+       }
+
+       if (argc <= 1) {
+               print_gen_usage(stdout);
+               goto end;
+       }
+
+       for (i = 1; i < argc; i++) {
+               const char *cur_arg = argv[i];
+
+               if (strcmp(cur_arg, "-d") == 0 ||
+                               strcmp(cur_arg, "--debug") == 0) {
+                       debug = true;
+               } else if (strcmp(cur_arg, "-v") == 0 ||
+                               strcmp(cur_arg, "--verbose") == 0) {
+                       verbose = true;
+               } 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 {
+                       bool has_command = true;
+
+                       /*
+                        * First unknown argument: is it a known command
+                        * name?
+                        */
+                       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 whole
+                                * arguments are for the default convert
+                                * command.
+                                */
+                               command_type = COMMAND_TYPE_CONVERT;
+                               command_argv = argv;
+                               command_argc = argc;
+                               has_command = false;
+                       }
+
+                       if (has_command) {
+                               command_argv = &argv[i];
+                               command_argc = argc - i;
+                               command_name = cur_arg;
+                       }
+                       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;
+       }
+
+       assert(command_argv);
+       assert(command_argc >= 0);
+
+       switch (command_type) {
+       case COMMAND_TYPE_RUN:
+               config = bt_config_run_from_args(command_argc, command_argv,
+                       retcode, omit_system_plugin_path,
+                       omit_home_plugin_path, initial_plugin_paths);
+               break;
+       case COMMAND_TYPE_CONVERT:
+               config = bt_config_convert_from_args(command_argc, command_argv,
+                       retcode, omit_system_plugin_path,
+                       omit_home_plugin_path, initial_plugin_paths);
+               break;
+       case COMMAND_TYPE_LIST_PLUGINS:
+               config = bt_config_list_plugins_from_args(command_argc,
+                       command_argv, retcode, omit_system_plugin_path,
+                       omit_home_plugin_path, initial_plugin_paths);
+               break;
+       case COMMAND_TYPE_HELP:
+               config = bt_config_help_from_args(command_argc,
+                       command_argv, retcode, omit_system_plugin_path,
+                       omit_home_plugin_path, initial_plugin_paths);
+               break;
+       case COMMAND_TYPE_QUERY:
+               config = bt_config_query_from_args(command_argc,
+                       command_argv, retcode, omit_system_plugin_path,
+                       omit_home_plugin_path, initial_plugin_paths);
+               break;
+       default:
+               assert(false);
+       }
+
+       if (config) {
+               if (verbose) {
+                       config->verbose = true;
+               }
+
+               if (debug) {
+                       config->debug = true;
+               }
+
+               config->command_name = command_name;
+       }
+
+end:
+       bt_put(initial_plugin_paths);
+       return config;
+}
diff --git a/cli/babeltrace-cfg.h b/cli/babeltrace-cfg.h
new file mode 100644 (file)
index 0000000..ca2f995
--- /dev/null
@@ -0,0 +1,122 @@
+#ifndef BABELTRACE_CONVERTER_CFG_H
+#define BABELTRACE_CONVERTER_CFG_H
+
+/*
+ * Babeltrace trace converter - configuration
+ *
+ * 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 <stdlib.h>
+#include <stdint.h>
+#include <babeltrace/values.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/object-internal.h>
+#include <babeltrace/compiler.h>
+#include <babeltrace/graph/component-class.h>
+#include <glib.h>
+
+struct bt_config_component {
+       struct bt_object base;
+       enum bt_component_class_type type;
+       GString *plugin_name;
+       GString *comp_cls_name;
+       struct bt_value *params;
+       GString *instance_name;
+};
+
+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 {
+       struct bt_object base;
+       bool debug;
+       bool verbose;
+       struct bt_value *plugin_paths;
+       bool omit_system_plugin_path;
+       bool omit_home_plugin_path;
+       bool command_needs_plugins;
+       const char *command_name;
+       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;
+               } 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;
+               } print_ctf_metadata;
+
+               /* BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS */
+               struct {
+                       GString *url;
+               } print_lttng_live_sessions;
+       } cmd_data;
+};
+
+static inline
+struct bt_config_component *bt_config_get_component(GPtrArray *array,
+               size_t index)
+{
+       return bt_get(g_ptr_array_index(array, index));
+}
+
+struct bt_config *bt_config_from_args(int argc, const char *argv[],
+               int *retcode, bool omit_system_plugin_path,
+               bool omit_home_plugin_path,
+               struct bt_value *initial_plugin_paths);
+
+struct bt_config_component *bt_config_component_from_arg(
+               enum bt_component_class_type type, const char *arg);
+
+enum bt_value_status bt_config_append_plugin_paths(
+               struct bt_value *plugin_paths, const char *arg);
+
+#endif /* BABELTRACE_CONVERTER_CFG_H */
diff --git a/cli/babeltrace-log.c b/cli/babeltrace-log.c
new file mode 100644 (file)
index 0000000..38cf839
--- /dev/null
@@ -0,0 +1,474 @@
+/*
+ * babeltrace-log.c
+ *
+ * BabelTrace - Convert Text Log to CTF
+ *
+ * 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.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <babeltrace/compat/dirent.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <inttypes.h>
+#include <glib.h>
+#include <glib/gstdio.h>
+
+#include <babeltrace/babeltrace-internal.h>
+#include <babeltrace/ctf/types.h>
+#include <babeltrace/compat/uuid.h>
+#include <babeltrace/compat/utc.h>
+#include <babeltrace/compat/stdio.h>
+#include <babeltrace/endian.h>
+
+#define NSEC_PER_USEC 1000UL
+#define NSEC_PER_MSEC 1000000UL
+#define NSEC_PER_SEC 1000000000ULL
+#define USEC_PER_SEC 1000000UL
+
+bool babeltrace_debug, babeltrace_verbose;
+
+static char *s_outputname;
+static int s_timestamp;
+static int s_help;
+static unsigned char s_uuid[BABELTRACE_UUID_LEN];
+
+/* Metadata format string */
+static const char metadata_fmt[] =
+"/* CTF 1.8 */\n"
+"typealias integer { size = 8; align = 8; signed = false; } := uint8_t;\n"
+"typealias integer { size = 32; align = 32; signed = false; } := uint32_t;\n"
+"typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
+"\n"
+"trace {\n"
+"      major = %u;\n"                  /* major (e.g. 0) */
+"      minor = %u;\n"                  /* minor (e.g. 1) */
+"      uuid = \"%s\";\n"               /* UUID */
+"      byte_order = %s;\n"             /* be or le */
+"      packet.header := struct {\n"
+"              uint32_t magic;\n"
+"              uint8_t  uuid[16];\n"
+"      };\n"
+"};\n"
+"\n"
+"stream {\n"
+"      packet.context := struct {\n"
+"              uint64_t content_size;\n"
+"              uint64_t packet_size;\n"
+"      };\n"
+"%s"                                   /* Stream event header (opt.) */
+"};\n"
+"\n"
+"event {\n"
+"      name = string;\n"
+"      fields := struct { string str; };\n"
+"};\n";
+
+static const char metadata_stream_event_header_timestamp[] =
+"      typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
+"      event.header := struct {\n"
+"              uint64_t timestamp;\n"
+"      };\n";
+
+static
+void print_metadata(FILE *fp)
+{
+       char uuid_str[BABELTRACE_UUID_STR_LEN];
+       unsigned int major = 0, minor = 0;
+       int ret;
+
+       ret = sscanf(VERSION, "%u.%u", &major, &minor);
+       if (ret != 2)
+               fprintf(stderr, "[warning] Incorrect babeltrace version format\n.");
+       bt_uuid_unparse(s_uuid, uuid_str);
+       fprintf(fp, metadata_fmt,
+               major,
+               minor,
+               uuid_str,
+               BYTE_ORDER == LITTLE_ENDIAN ? "le" : "be",
+               s_timestamp ? metadata_stream_event_header_timestamp : "");
+}
+
+static
+void write_packet_header(struct ctf_stream_pos *pos, unsigned char *uuid)
+{
+       struct ctf_stream_pos dummy;
+
+       /* magic */
+       ctf_dummy_pos(pos, &dummy);
+       if (!ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT))
+               goto error;
+       if (!ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT))
+               goto error;
+       assert(!ctf_pos_packet(&dummy));
+
+       if (!ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT))
+               goto error;
+       *(uint32_t *) ctf_get_pos_addr(pos) = 0xC1FC1FC1;
+       if (!ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT))
+               goto error;
+
+       /* uuid */
+       ctf_dummy_pos(pos, &dummy);
+       if (!ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT))
+               goto error;
+       if (!ctf_move_pos(&dummy, 16 * CHAR_BIT))
+               goto error;
+       assert(!ctf_pos_packet(&dummy));
+
+       if (!ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT))
+               goto error;
+       memcpy(ctf_get_pos_addr(pos), uuid, BABELTRACE_UUID_LEN);
+       if (!ctf_move_pos(pos, BABELTRACE_UUID_LEN * CHAR_BIT))
+               goto error;
+       return;
+
+error:
+       fprintf(stderr, "[error] Out of packet bounds when writing packet header\n");
+       abort();
+}
+
+static
+void write_packet_context(struct ctf_stream_pos *pos)
+{
+       struct ctf_stream_pos dummy;
+
+       /* content_size */
+       ctf_dummy_pos(pos, &dummy);
+       if (!ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
+               goto error;
+       if (!ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
+               goto error;
+       assert(!ctf_pos_packet(&dummy));
+
+       if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
+               goto error;
+       *(uint64_t *) ctf_get_pos_addr(pos) = ~0ULL;    /* Not known yet */
+       pos->content_size_loc = (uint64_t *) ctf_get_pos_addr(pos);
+       if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
+               goto error;
+
+       /* packet_size */
+       ctf_dummy_pos(pos, &dummy);
+       if (!ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
+               goto error;
+       if (!ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
+               goto error;
+       assert(!ctf_pos_packet(&dummy));
+
+       if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
+               goto error;
+       *(uint64_t *) ctf_get_pos_addr(pos) = pos->packet_size;
+       if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
+               goto error;
+       return;
+
+error:
+       fprintf(stderr, "[error] Out of packet bounds when writing packet context\n");
+       abort();
+}
+
+static
+void write_event_header(struct ctf_stream_pos *pos, char *line,
+                       char **tline, size_t len, size_t *tlen,
+                       uint64_t *ts)
+{
+       if (!s_timestamp)
+               return;
+
+       /* Only need to be executed on first pass (dummy) */
+       if (pos->dummy) {
+               int has_timestamp = 0;
+               unsigned long sec, usec, msec;
+               unsigned int year, mon, mday, hour, min;
+
+               /* Extract time from input line */
+               if (sscanf(line, "[%lu.%lu] ", &sec, &usec) == 2) {
+                       *ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec;
+                       /*
+                        * Default CTF clock has 1GHz frequency. Convert
+                        * from usec to nsec.
+                        */
+                       *ts *= NSEC_PER_USEC;
+                       has_timestamp = 1;
+               } else if (sscanf(line, "[%u-%u-%u %u:%u:%lu.%lu] ",
+                               &year, &mon, &mday, &hour, &min,
+                               &sec, &msec) == 7) {
+                       time_t ep_sec;
+                       struct tm ti;
+
+                       memset(&ti, 0, sizeof(ti));
+                       ti.tm_year = year - 1900;       /* from 1900 */
+                       ti.tm_mon = mon - 1;            /* 0 to 11 */
+                       ti.tm_mday = mday;
+                       ti.tm_hour = hour;
+                       ti.tm_min = min;
+                       ti.tm_sec = sec;
+
+                       ep_sec = bt_timegm(&ti);
+                       if (ep_sec != (time_t) -1) {
+                               *ts = (uint64_t) ep_sec * NSEC_PER_SEC
+                                       + (uint64_t) msec * NSEC_PER_MSEC;
+                       }
+                       has_timestamp = 1;
+               }
+               if (has_timestamp) {
+                       *tline = strchr(line, ']');
+                       assert(*tline);
+                       (*tline)++;
+                       if ((*tline)[0] == ' ') {
+                               (*tline)++;
+                       }
+                       *tlen = len + line - *tline;
+               }
+       }
+       /* timestamp */
+       if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
+               goto error;
+       if (!pos->dummy)
+               *(uint64_t *) ctf_get_pos_addr(pos) = *ts;
+       if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
+               goto error;
+       return;
+
+error:
+       fprintf(stderr, "[error] Out of packet bounds when writing event header\n");
+       abort();
+}
+
+static
+void trace_string(char *line, struct ctf_stream_pos *pos, size_t len)
+{
+       struct ctf_stream_pos dummy;
+       int attempt = 0;
+       char *tline = line;     /* tline is start of text, after timestamp */
+       size_t tlen = len;
+       uint64_t ts = 0;
+
+       printf_debug("read: %s\n", line);
+
+       for (;;) {
+               int packet_filled = 0;
+
+               ctf_dummy_pos(pos, &dummy);
+               write_event_header(&dummy, line, &tline, len, &tlen, &ts);
+               if (!ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT))
+                       packet_filled = 1;
+               if (!ctf_move_pos(&dummy, tlen * CHAR_BIT))
+                       packet_filled = 1;
+               if (packet_filled || ctf_pos_packet(&dummy)) {
+                       ctf_pos_pad_packet(pos);
+                       write_packet_header(pos, s_uuid);
+                       write_packet_context(pos);
+                       if (attempt++ == 1) {
+                               fprintf(stderr, "[Error] Line too large for packet size (%" PRIu64 "kB) (discarded)\n",
+                                       pos->packet_size / CHAR_BIT / 1024);
+                               return;
+                       }
+                       continue;
+               } else {
+                       break;
+               }
+       }
+
+       write_event_header(pos, line, &tline, len, &tlen, &ts);
+       if (!ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT))
+               goto error;
+       memcpy(ctf_get_pos_addr(pos), tline, tlen);
+       if (!ctf_move_pos(pos, tlen * CHAR_BIT))
+               goto error;
+       return;
+
+error:
+       fprintf(stderr, "[error] Out of packet bounds when writing event payload\n");
+       abort();
+}
+
+static
+void trace_text(FILE *input, int output)
+{
+       struct ctf_stream_pos pos;
+       ssize_t len;
+       char *line = NULL, *nl;
+       size_t linesize = 0;
+       int ret;
+
+       memset(&pos, 0, sizeof(pos));
+       ret = ctf_init_pos(&pos, NULL, output, O_RDWR);
+       if (ret) {
+               fprintf(stderr, "Error in ctf_init_pos\n");
+               return;
+       }
+       ctf_packet_seek(&pos.parent, 0, SEEK_CUR);
+       write_packet_header(&pos, s_uuid);
+       write_packet_context(&pos);
+       for (;;) {
+               len = bt_getline(&line, &linesize, input);
+               if (len < 0)
+                       break;
+               nl = strrchr(line, '\n');
+               if (nl) {
+                       *nl = '\0';
+                       trace_string(line, &pos, nl - line + 1);
+               } else {
+                       trace_string(line, &pos, strlen(line) + 1);
+               }
+       }
+       ret = ctf_fini_pos(&pos);
+       if (ret) {
+               fprintf(stderr, "Error in ctf_fini_pos\n");
+       }
+}
+
+static
+void usage(FILE *fp)
+{
+       fprintf(fp, "BabelTrace Log Converter %s\n", VERSION);
+       fprintf(fp, "\n");
+       fprintf(fp, "Convert for a text log (read from standard input) to CTF.\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "usage : babeltrace-log [OPTIONS] OUTPUT\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "  OUTPUT                         Output trace path\n");
+       fprintf(fp, "\n");
+       fprintf(fp, "  -t                             With timestamps (format: [sec.usec] string\\n)\n");
+       fprintf(fp, "                                                 (format: [YYYY-MM-DD HH:MM:SS.MS] string\\n)\n");
+       fprintf(fp, "\n");
+}
+
+static
+int parse_args(int argc, char **argv)
+{
+       int i;
+
+       for (i = 1; i < argc; i++) {
+               if (!strcmp(argv[i], "-t"))
+                       s_timestamp = 1;
+               else if (!strcmp(argv[i], "-h")) {
+                       s_help = 1;
+                       return 0;
+               } else if (argv[i][0] == '-')
+                       return -EINVAL;
+               else
+                       s_outputname = argv[i];
+       }
+       if (!s_outputname)
+               return -EINVAL;
+       return 0;
+}
+
+int main(int argc, char **argv)
+{
+       int fd, metadata_fd, ret;
+       DIR *dir;
+       int dir_fd;
+       FILE *metadata_fp;
+
+       ret = parse_args(argc, argv);
+       if (ret) {
+               fprintf(stderr, "Error: invalid argument.\n");
+               usage(stderr);
+               goto error;
+       }
+
+       if (s_help) {
+               usage(stdout);
+               exit(EXIT_SUCCESS);
+       }
+
+       ret = g_mkdir(s_outputname, S_IRWXU|S_IRWXG);
+       if (ret) {
+               perror("g_mkdir");
+               goto error;
+       }
+
+       dir = opendir(s_outputname);
+       if (!dir) {
+               perror("opendir");
+               goto error_rmdir;
+       }
+       dir_fd = bt_dirfd(dir);
+       if (dir_fd < 0) {
+               perror("dirfd");
+               goto error_closedir;
+       }
+
+       fd = openat(dir_fd, "datastream", O_RDWR|O_CREAT,
+                   S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
+       if (fd < 0) {
+               perror("openat");
+               goto error_closedirfd;
+       }
+
+       metadata_fd = openat(dir_fd, "metadata", O_RDWR|O_CREAT,
+                            S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
+       if (metadata_fd < 0) {
+               perror("openat");
+               goto error_closedatastream;
+       }
+       metadata_fp = fdopen(metadata_fd, "w");
+       if (!metadata_fp) {
+               perror("fdopen");
+               goto error_closemetadatafd;
+       }
+
+       bt_uuid_generate(s_uuid);
+       print_metadata(metadata_fp);
+       trace_text(stdin, fd);
+
+       ret = close(fd);
+       if (ret)
+               perror("close");
+       exit(EXIT_SUCCESS);
+
+       /* error handling */
+error_closemetadatafd:
+       ret = close(metadata_fd);
+       if (ret)
+               perror("close");
+error_closedatastream:
+       ret = close(fd);
+       if (ret)
+               perror("close");
+error_closedirfd:
+       ret = close(dir_fd);
+       if (ret)
+               perror("close");
+error_closedir:
+       ret = closedir(dir);
+       if (ret)
+               perror("closedir");
+error_rmdir:
+       ret = rmdir(s_outputname);
+       if (ret)
+               perror("rmdir");
+error:
+       exit(EXIT_FAILURE);
+}
diff --git a/cli/babeltrace.c b/cli/babeltrace.c
new file mode 100644 (file)
index 0000000..cb8492f
--- /dev/null
@@ -0,0 +1,1290 @@
+/*
+ * babeltrace.c
+ *
+ * Babeltrace Trace Converter
+ *
+ * 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.
+ */
+
+#include <babeltrace/babeltrace.h>
+#include <babeltrace/plugin/plugin.h>
+#include <babeltrace/common-internal.h>
+#include <babeltrace/graph/component.h>
+#include <babeltrace/graph/component-source.h>
+#include <babeltrace/graph/component-sink.h>
+#include <babeltrace/graph/component-filter.h>
+#include <babeltrace/graph/component-class.h>
+#include <babeltrace/graph/port.h>
+#include <babeltrace/graph/graph.h>
+#include <babeltrace/graph/connection.h>
+#include <babeltrace/graph/notification-iterator.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/values.h>
+#include <stdlib.h>
+#include <popt.h>
+#include <string.h>
+#include <stdio.h>
+#include <glib.h>
+#include <inttypes.h>
+#include "babeltrace-cfg.h"
+#include "babeltrace-cfg-connect.h"
+#include "default-cfg.h"
+
+GPtrArray *loaded_plugins;
+
+static
+void init_loaded_plugins_array(void)
+{
+       loaded_plugins = g_ptr_array_new_full(8, bt_put);
+}
+
+static
+void fini_loaded_plugins_array(void)
+{
+       g_ptr_array_free(loaded_plugins, TRUE);
+}
+
+static
+struct bt_plugin *find_plugin(const char *name)
+{
+       int i;
+       struct bt_plugin *plugin = NULL;
+
+       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;
+       }
+
+       return bt_get(plugin);
+}
+
+static
+struct bt_component_class *find_component_class(const char *plugin_name,
+               const char *comp_class_name,
+               enum bt_component_class_type comp_class_type)
+{
+       struct bt_component_class *comp_class = NULL;
+       struct bt_plugin *plugin = find_plugin(plugin_name);
+
+       if (!plugin) {
+               goto end;
+       }
+
+       comp_class = bt_plugin_get_component_class_by_name_and_type(plugin,
+                       comp_class_name, comp_class_type);
+       BT_PUT(plugin);
+end:
+       return comp_class;
+}
+
+static
+void print_indent(size_t indent)
+{
+       size_t i;
+
+       for (i = 0; i < indent; i++) {
+               printf(" ");
+       }
+}
+
+static char *escape_name_for_shell(const char *input)
+{
+       char *output = g_malloc0(strlen(input) * 5 + 1);
+       const char *in;
+       char *out = output;
+
+       if (!output) {
+               goto end;
+       }
+
+       for (in = input; *in != '\0'; in++) {
+               switch (*in) {
+               case '\\':
+                       *out++ = '\\';
+                       *out++ = '\\';
+                       break;
+               case '\'':
+                       *out++ = '\'';
+                       *out++ = '"';
+                       *out++ = '\'';
+                       *out++ = '"';
+                       *out++ = '\'';
+                       break;
+               case '.':
+                       *out++ = '\\';
+                       *out++ = '.';
+                       break;
+               default:
+                       *out++ = *in;
+                       break;
+               }
+       }
+
+end:
+       return output;
+}
+
+static
+const char *component_type_str(enum 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";
+       case BT_COMPONENT_CLASS_TYPE_UNKNOWN:
+       default:
+               return "unknown";
+       }
+}
+
+static void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
+               const char *comp_cls_name, enum bt_component_class_type type)
+{
+       char *shell_plugin_name = NULL;
+       char *shell_comp_cls_name = NULL;
+
+       shell_plugin_name = escape_name_for_shell(plugin_name);
+       if (!shell_plugin_name) {
+               goto end;
+       }
+
+       shell_comp_cls_name = escape_name_for_shell(comp_cls_name);
+       if (!shell_comp_cls_name) {
+               goto end;
+       }
+
+       fprintf(fh, "%s%s--%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_reset(),
+               bt_common_color_fg_default(),
+               bt_common_color_bold(),
+               bt_common_color_fg_blue(),
+               shell_plugin_name,
+               bt_common_color_fg_default(),
+               bt_common_color_fg_yellow(),
+               shell_comp_cls_name,
+               bt_common_color_reset());
+
+end:
+       g_free(shell_plugin_name);
+       g_free(shell_comp_cls_name);
+}
+
+static
+void print_value(struct bt_value *, size_t);
+
+static
+void print_value_rec(struct bt_value *, size_t);
+
+static
+bool print_map_value(const char *key, struct bt_value *object, void *data)
+{
+       size_t *indent = data;
+
+       print_indent(*indent);
+       printf("%s: ", key);
+
+       if (bt_value_is_array(object) &&
+                       bt_value_array_is_empty(object)) {
+               printf("[ ]\n");
+               return true;
+       }
+
+       if (bt_value_is_map(object) &&
+                       bt_value_map_is_empty(object)) {
+               printf("{ }\n");
+               return true;
+       }
+
+       if (bt_value_is_array(object) ||
+                       bt_value_is_map(object)) {
+               printf("\n");
+       }
+
+       print_value_rec(object, *indent + 2);
+       return true;
+}
+
+static
+void print_value_rec(struct bt_value *value, size_t indent)
+{
+       bool bool_val;
+       int64_t int_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:
+               printf("%snull%s\n", bt_common_color_bold(),
+                       bt_common_color_reset());
+               break;
+       case BT_VALUE_TYPE_BOOL:
+               bt_value_bool_get(value, &bool_val);
+               printf("%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_INTEGER:
+               bt_value_integer_get(value, &int_val);
+               printf("%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_FLOAT:
+               bt_value_float_get(value, &dbl_val);
+               printf("%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:
+               bt_value_string_get(value, &str_val);
+               printf("%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_size(value);
+               assert(size >= 0);
+
+               if (size == 0) {
+                       print_indent(indent);
+                       printf("[ ]\n");
+                       break;
+               }
+
+               for (i = 0; i < size; i++) {
+                       struct bt_value *element =
+                                       bt_value_array_get(value, i);
+
+                       assert(element);
+                       print_indent(indent);
+                       printf("- ");
+
+                       if (bt_value_is_array(element) &&
+                                       bt_value_array_is_empty(element)) {
+                               printf("[ ]\n");
+                               continue;
+                       }
+
+                       if (bt_value_is_map(element) &&
+                                       bt_value_map_is_empty(element)) {
+                               printf("{ }\n");
+                               continue;
+                       }
+
+                       if (bt_value_is_array(element) ||
+                                       bt_value_is_map(element)) {
+                               printf("\n");
+                       }
+
+                       print_value_rec(element, indent + 2);
+                       BT_PUT(element);
+               }
+               break;
+       case BT_VALUE_TYPE_MAP:
+               if (bt_value_map_is_empty(value)) {
+                       print_indent(indent);
+                       printf("{ }\n");
+                       break;
+               }
+
+               bt_value_map_foreach(value, print_map_value, &indent);
+               break;
+       default:
+               assert(false);
+       }
+}
+
+static
+void print_value(struct bt_value *value, size_t indent)
+{
+       if (!bt_value_is_array(value) && !bt_value_is_map(value)) {
+               print_indent(indent);
+       }
+
+       print_value_rec(value, indent);
+}
+
+static
+void print_bt_config_component(struct bt_config_component *bt_config_component)
+{
+       printf("    ");
+       print_plugin_comp_cls_opt(stdout, bt_config_component->plugin_name->str,
+               bt_config_component->comp_cls_name->str,
+               bt_config_component->type);
+       printf(":\n");
+
+       if (bt_config_component->instance_name->len > 0) {
+               printf("      Name: %s\n",
+                       bt_config_component->instance_name->str);
+       }
+
+       printf("      Parameters:\n");
+       print_value(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_PUT(cfg_component);
+       }
+}
+
+static
+void print_plugin_paths(struct bt_value *plugin_paths)
+{
+       printf("  Plugin paths:\n");
+       print_value(plugin_paths, 4);
+}
+
+static
+void print_cfg_run(struct bt_config *cfg)
+{
+       size_t i;
+
+       print_plugin_paths(cfg->plugin_paths);
+       printf("  Source component instances:\n");
+       print_bt_config_components(cfg->cmd_data.run.sources);
+
+       if (cfg->cmd_data.run.filters->len > 0) {
+               printf("  Filter component instances:\n");
+               print_bt_config_components(cfg->cmd_data.run.filters);
+       }
+
+       printf("  Sink component instances:\n");
+       print_bt_config_components(cfg->cmd_data.run.sinks);
+       printf("  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);
+
+               printf("    %s%s%s -> %s%s%s\n",
+                       cfg_connection->src_instance_name->str,
+                       cfg_connection->src_port_name->len > 0 ? "." : "",
+                       cfg_connection->src_port_name->str,
+                       cfg_connection->dst_instance_name->str,
+                       cfg_connection->dst_port_name->len > 0 ? "." : "",
+                       cfg_connection->dst_port_name->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);
+       printf("  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);
+       printf("  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);
+       printf("  Object: `%s`\n", cfg->cmd_data.query.object->str);
+       printf("  Component class:\n");
+       print_bt_config_component(cfg->cmd_data.query.cfg_component);
+}
+
+static
+void print_cfg(struct bt_config *cfg)
+{
+       if (!babeltrace_verbose) {
+               return;
+       }
+
+       printf("Configuration:\n");
+       printf("  Debug mode: %s\n", cfg->debug ? "yes" : "no");
+       printf("  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:
+               assert(false);
+       }
+}
+
+static
+struct bt_component *create_trimmer(struct bt_config_component *source_cfg)
+{
+       struct bt_component *trimmer = NULL;
+       struct bt_component_class *trimmer_class = NULL;
+       struct bt_value *trimmer_params = NULL;
+       struct bt_value *value;
+
+       trimmer_params = bt_value_map_create();
+       if (!trimmer_params) {
+               goto end;
+       }
+
+       value = bt_value_map_get(source_cfg->params, "begin");
+       if (value) {
+               enum bt_value_status ret;
+
+               ret = bt_value_map_insert(trimmer_params, "begin",
+                               value);
+               BT_PUT(value);
+               if (ret) {
+                       goto end;
+               }
+       }
+       value = bt_value_map_get(source_cfg->params, "end");
+       if (value) {
+               enum bt_value_status ret;
+
+               ret = bt_value_map_insert(trimmer_params, "end",
+                               value);
+               BT_PUT(value);
+               if (ret) {
+                       goto end;
+               }
+       }
+       value = bt_value_map_get(source_cfg->params, "clock-gmt");
+       if (value) {
+               enum bt_value_status ret;
+
+               ret = bt_value_map_insert(trimmer_params, "clock-gmt",
+                               value);
+               BT_PUT(value);
+               if (ret) {
+                       goto end;
+               }
+       }
+
+       trimmer_class = find_component_class("utils", "trimmer",
+               BT_COMPONENT_CLASS_TYPE_FILTER);
+       if (!trimmer_class) {
+               fprintf(stderr, "Could not find trimmer component class. Aborting...\n");
+               goto end;
+       }
+       trimmer = bt_component_create(trimmer_class, "source_trimmer",
+                       trimmer_params);
+       if (!trimmer) {
+               goto end;
+       }
+end:
+       bt_put(trimmer_params);
+       bt_put(trimmer_class);
+       return trimmer;
+}
+
+static
+int connect_source_sink(struct bt_graph *graph,
+               struct bt_component *source,
+               struct bt_config_component *source_cfg,
+               struct bt_component *sink)
+{
+       int ret = 0;
+       struct bt_connection *connection = NULL;
+       struct bt_component *trimmer = NULL;
+       struct bt_port *source_port =
+                       bt_component_source_get_default_output_port(source);
+       struct bt_port *sink_port =
+                       bt_component_sink_get_default_input_port(sink);
+       struct bt_port *to_sink_port = NULL;
+       struct bt_port *trimmer_input_port = NULL;
+
+       if (!source_port) {
+               fprintf(stderr, "Failed to find default source output port. Aborting...\n");
+               ret = -1;
+               goto end;
+       }
+       if (!sink_port) {
+               fprintf(stderr, "Failed to find default sink input port. Aborting...\n");
+               ret = -1;
+               goto end;
+       }
+
+       if (bt_value_map_has_key(source_cfg->params, "begin")
+                       || bt_value_map_has_key(source_cfg->params, "end")) {
+               /* A trimmer must be inserted in the graph. */
+               trimmer = create_trimmer(source_cfg);
+               if (!trimmer) {
+                       fprintf(stderr, "Failed to create trimmer component. Aborting...\n");
+                       ret = -1;
+                       goto end;
+               }
+
+               trimmer_input_port = bt_component_filter_get_default_input_port(
+                               trimmer);
+               if (!trimmer_input_port) {
+                       fprintf(stderr, "Failed to find trimmer input port. Aborting...\n");
+                       ret = -1;
+                       goto end;
+               }
+               to_sink_port = bt_component_filter_get_default_output_port(
+                               trimmer);
+               if (!to_sink_port) {
+                       fprintf(stderr, "Failed to find trimmer output port. Aborting...\n");
+                       ret = -1;
+                       goto end;
+               }
+
+               connection = bt_graph_connect_ports(graph, source_port,
+                               trimmer_input_port);
+               if (!connection) {
+                       fprintf(stderr, "Failed to connect source to trimmer. Aborting...\n");
+                       ret = -1;
+                       goto end;
+               }
+               BT_PUT(connection);
+       } else {
+               BT_MOVE(to_sink_port, source_port);
+       }
+
+       connection = bt_graph_connect_ports(graph, to_sink_port, sink_port);
+       if (!connection) {
+               fprintf(stderr, "Failed to connect to sink. Aborting...\n");
+               ret = -1;
+               goto end;
+       }
+end:
+       bt_put(trimmer);
+       bt_put(source_port);
+       bt_put(sink_port);
+       bt_put(to_sink_port);
+       bt_put(connection);
+       return ret;
+}
+
+static
+void add_to_loaded_plugins(struct bt_plugin **plugins)
+{
+       while (*plugins) {
+               struct bt_plugin *plugin = *plugins;
+               /* Check if it's already loaded (from another path). */
+               struct bt_plugin *loaded_plugin =
+                               find_plugin(bt_plugin_get_name(plugin));
+
+               if (loaded_plugin) {
+                       printf_verbose("Not loading plugin `%s`: already loaded from `%s`\n",
+                                       bt_plugin_get_path(plugin),
+                                       bt_plugin_get_path(loaded_plugin));
+                       BT_PUT(loaded_plugin);
+                       BT_PUT(plugin);
+               } else {
+                       /* Transfer ownership to global array. */
+                       g_ptr_array_add(loaded_plugins, plugin);
+               }
+               *(plugins++) = NULL;
+       }
+}
+
+static
+int load_dynamic_plugins(struct bt_value *plugin_paths)
+{
+       int nr_paths, i, ret = 0;
+
+       nr_paths = bt_value_array_size(plugin_paths);
+       if (nr_paths < 0) {
+               ret = -1;
+               goto end;
+       }
+
+       for (i = 0; i < nr_paths; i++) {
+               struct bt_value *plugin_path_value = NULL;
+               const char *plugin_path;
+               struct bt_plugin **plugins;
+
+               plugin_path_value = bt_value_array_get(plugin_paths, i);
+               if (bt_value_string_get(plugin_path_value,
+                               &plugin_path)) {
+                       BT_PUT(plugin_path_value);
+                       continue;
+               }
+
+               plugins = bt_plugin_create_all_from_dir(plugin_path, false);
+               if (!plugins) {
+                       printf_debug("Unable to dynamically load plugins from path %s.\n",
+                               plugin_path);
+                       BT_PUT(plugin_path_value);
+                       continue;
+               }
+
+               add_to_loaded_plugins(plugins);
+               free(plugins);
+
+               BT_PUT(plugin_path_value);
+       }
+end:
+       return ret;
+}
+
+static
+int load_static_plugins(void)
+{
+       int ret = 0;
+       struct bt_plugin **plugins;
+
+       plugins = bt_plugin_create_all_from_static();
+       if (!plugins) {
+               printf_debug("Unable to load static plugins.\n");
+               ret = -1;
+               goto end;
+       }
+
+       add_to_loaded_plugins(plugins);
+       free(plugins);
+end:
+       return ret;
+}
+
+static int load_all_plugins(struct bt_value *plugin_paths)
+{
+       int ret = 0;
+
+       if (load_dynamic_plugins(plugin_paths)) {
+               fprintf(stderr, "Failed to load dynamic plugins.\n");
+               ret = -1;
+               goto end;
+       }
+
+       if (load_static_plugins()) {
+               fprintf(stderr, "Failed to load static plugins.\n");
+               ret = -1;
+               goto end;
+       }
+
+end:
+       return ret;
+}
+
+static void print_plugin_info(struct bt_plugin *plugin)
+{
+       unsigned int major, minor, patch;
+       const char *extra;
+       enum bt_plugin_status version_status;
+       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_status = 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());
+       printf("  %sPath%s: %s\n", bt_common_color_bold(),
+               bt_common_color_reset(), path ? path : "(None)");
+
+       if (version_status == BT_PLUGIN_STATUS_OK) {
+               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;
+       struct bt_component_class *comp_cls = NULL;
+       struct bt_value *results = NULL;
+
+       ret = load_all_plugins(cfg->plugin_paths);
+       if (ret) {
+               goto end;
+       }
+
+       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) {
+               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;
+       }
+
+       results = bt_component_class_query(comp_cls,
+               cfg->cmd_data.query.object->str,
+               cfg->cmd_data.query.cfg_component->params);
+       if (!results) {
+               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\n",
+                       bt_common_color_bold(),
+                       bt_common_color_fg_red(),
+                       cfg->cmd_data.query.object->str,
+                       bt_common_color_reset());
+               ret = -1;
+               goto end;
+       }
+
+       print_value(results, 0);
+
+end:
+       bt_put(comp_cls);
+       bt_put(results);
+       return ret;
+}
+
+static int cmd_help(struct bt_config *cfg)
+{
+       int ret;
+       struct bt_plugin *plugin = NULL;
+       size_t i;
+
+       ret = load_all_plugins(cfg->plugin_paths);
+       if (ret) {
+               goto end;
+       }
+
+       plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
+       if (!plugin) {
+               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("  %sComponent classes%s: %d\n",
+                       bt_common_color_bold(),
+                       bt_common_color_reset(),
+                       bt_plugin_get_component_class_count(plugin));
+
+
+       if (cfg->cmd_data.help.cfg_component->type !=
+                       BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
+               struct bt_component_class *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) {
+                       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;
+               }
+
+               bt_put(needed_comp_cls);
+       }
+
+       for (i = 0; i < bt_plugin_get_component_class_count(plugin); i++) {
+               struct bt_component_class *comp_cls =
+                       bt_plugin_get_component_class(plugin, i);
+               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);
+               enum bt_component_class_type type =
+                       bt_component_class_get_type(comp_cls);
+
+               assert(comp_cls);
+
+               if (cfg->cmd_data.help.cfg_component->type !=
+                               BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
+                       if (strcmp(cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+                                       comp_class_name) != 0 &&
+                                       type ==
+                                       cfg->cmd_data.help.cfg_component->type) {
+                               bt_put(comp_cls);
+                               continue;
+                       }
+               }
+
+               printf("\n");
+               print_plugin_comp_cls_opt(stdout,
+                       cfg->cmd_data.help.cfg_component->plugin_name->str,
+                       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);
+               }
+
+               bt_put(comp_cls);
+       }
+
+end:
+       bt_put(plugin);
+       return ret;
+}
+
+static int cmd_list_plugins(struct bt_config *cfg)
+{
+       int ret;
+       int plugins_count, component_classes_count = 0, i;
+
+       ret = load_all_plugins(cfg->plugin_paths);
+       if (ret) {
+               goto end;
+       }
+
+       printf("From the following plugin paths:\n\n");
+       print_value(cfg->plugin_paths, 2);
+       printf("\n");
+       plugins_count = loaded_plugins->len;
+       if (plugins_count == 0) {
+               fprintf(stderr, "%s%sNo plugins found.%s\n",
+                       bt_common_color_bold(), bt_common_color_fg_red(),
+                       bt_common_color_reset());
+               fprintf(stderr, "\n");
+               fprintf(stderr, "Please make sure your plugin search path is set correctly. You can use\n");
+               fprintf(stderr, "the --plugin-path command-line option or the BABELTRACE_PLUGIN_PATH\n");
+               fprintf(stderr, "environment variable.\n");
+               ret = -1;
+               goto end;
+       }
+
+       for (i = 0; i < plugins_count; i++) {
+               struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+
+               component_classes_count += bt_plugin_get_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++) {
+               int j;
+               struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+
+               component_classes_count =
+                       bt_plugin_get_component_class_count(plugin);
+               printf("\n");
+               print_plugin_info(plugin);
+
+               if (component_classes_count == 0) {
+                       printf("  %sComponent classes%s: (None)\n",
+                               bt_common_color_bold(),
+                               bt_common_color_reset());
+               } else {
+                       printf("  %sComponent classes%s:\n",
+                               bt_common_color_bold(),
+                               bt_common_color_reset());
+               }
+
+               for (j = 0; j < component_classes_count; j++) {
+                       struct bt_component_class *comp_class =
+                               bt_plugin_get_component_class(plugin, j);
+                       const char *comp_class_name =
+                               bt_component_class_get_name(comp_class);
+                       const char *comp_class_description =
+                               bt_component_class_get_description(comp_class);
+                       enum 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");
+                       bt_put(comp_class);
+               }
+       }
+
+end:
+       return ret;
+}
+
+static int cmd_print_lttng_live_sessions(struct bt_config *cfg)
+{
+       printf("TODO\n");
+       return -1;
+}
+
+static int cmd_print_ctf_metadata(struct bt_config *cfg)
+{
+       int ret = 0;
+       struct bt_component_class *comp_cls = NULL;
+       struct bt_value *results = NULL;
+       struct bt_value *params = NULL;
+       struct 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 enum bt_component_class_type comp_cls_type =
+               BT_COMPONENT_CLASS_TYPE_SOURCE;
+
+       assert(cfg->cmd_data.print_ctf_metadata.path);
+       comp_cls = find_component_class(plugin_name, comp_cls_name,
+               comp_cls_type);
+       if (!comp_cls) {
+               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(params, "path",
+               cfg->cmd_data.print_ctf_metadata.path->str);
+       if (ret) {
+               ret = -1;
+               goto end;
+       }
+
+       results = bt_component_class_query(comp_cls, "metadata-info",
+               params);
+       if (!results) {
+               ret = -1;
+               fprintf(stderr, "%s%sFailed to request metadata info%s\n",
+                       bt_common_color_bold(),
+                       bt_common_color_fg_red(),
+                       bt_common_color_reset());
+               goto end;
+       }
+
+       metadata_text_value = bt_value_map_get(results, "text");
+       if (!metadata_text_value) {
+               ret = -1;
+               goto end;
+       }
+
+       ret = bt_value_string_get(metadata_text_value, &metadata_text);
+       assert(ret == 0);
+       printf("%s\n", metadata_text);
+
+end:
+       bt_put(results);
+       bt_put(params);
+       bt_put(metadata_text_value);
+       bt_put(comp_cls);
+       return 0;
+}
+
+static int cmd_run(struct bt_config *cfg)
+{
+       int ret = 0;
+       struct bt_component_class *source_class = NULL;
+       struct bt_component_class *sink_class = NULL;
+       struct bt_component *source = NULL, *sink = NULL;
+       struct bt_value *source_params = NULL, *sink_params = NULL;
+       struct bt_config_component *source_cfg = NULL, *sink_cfg = NULL;
+       struct bt_graph *graph = NULL;
+
+       ret = load_all_plugins(cfg->plugin_paths);
+       if (ret) {
+               goto end;
+       }
+
+       /* TODO handle more than 1 source and 1 sink. */
+       if (cfg->cmd_data.run.sources->len != 1 ||
+                       cfg->cmd_data.run.sinks->len != 1) {
+               fprintf(stderr, "Only one source and one sink component class are supported. Aborting...\n");
+               ret = -1;
+               goto end;
+       }
+
+       source_cfg = bt_config_get_component(cfg->cmd_data.run.sources, 0);
+       source_params = bt_get(source_cfg->params);
+       source_class = find_component_class(source_cfg->plugin_name->str,
+                       source_cfg->comp_cls_name->str,
+                       BT_COMPONENT_CLASS_TYPE_SOURCE);
+       if (!source_class) {
+               fprintf(stderr, "Could not find ");
+               print_plugin_comp_cls_opt(stderr, source_cfg->plugin_name->str,
+                       source_cfg->comp_cls_name->str, BT_COMPONENT_CLASS_TYPE_SOURCE);
+               fprintf(stderr, ". Aborting...\n");
+               ret = -1;
+               goto end;
+       }
+
+       sink_cfg = bt_config_get_component(cfg->cmd_data.run.sinks, 0);
+       sink_params = bt_get(sink_cfg->params);
+       sink_class = find_component_class(sink_cfg->plugin_name->str,
+                       sink_cfg->comp_cls_name->str,
+                       BT_COMPONENT_CLASS_TYPE_SINK);
+       if (!sink_class) {
+               fprintf(stderr, "Could not find ");
+               print_plugin_comp_cls_opt(stderr, sink_cfg->plugin_name->str,
+                       sink_cfg->comp_cls_name->str, BT_COMPONENT_CLASS_TYPE_SINK);
+               fprintf(stderr, ". Aborting...\n");
+               ret = -1;
+               goto end;
+       }
+
+       graph = bt_graph_create();
+       if (!graph) {
+               ret = -1;
+               goto end;
+       }
+
+       source = bt_component_create(source_class, "source", source_params);
+       if (!source) {
+               fprintf(stderr, "Failed to instantiate selected source component. Aborting...\n");
+                ret = -1;
+                goto end;
+        }
+
+       sink = bt_component_create(sink_class, "sink", sink_params);
+       if (!sink) {
+               fprintf(stderr, "Failed to instantiate selected output component. Aborting...\n");
+               ret = -1;
+               goto end;
+       }
+
+       ret = connect_source_sink(graph, source, source_cfg, sink);
+       if (ret) {
+               ret = -1;
+               goto end;
+       }
+
+       while (true) {
+               enum bt_graph_status graph_status;
+
+               graph_status = bt_graph_run(graph);
+               switch (graph_status) {
+               case BT_GRAPH_STATUS_AGAIN:
+                       /* Wait for an arbitraty 500 ms. */
+                       usleep(500000);
+                       break;
+               case BT_COMPONENT_STATUS_END:
+                       goto end;
+               default:
+                       fprintf(stderr, "Sink component returned an error, aborting...\n");
+                       ret = -1;
+                       goto end;
+               }
+       }
+
+end:
+       bt_put(sink_class);
+       bt_put(source_class);
+       bt_put(source);
+       bt_put(sink);
+       bt_put(source_params);
+       bt_put(sink_params);
+       bt_put(sink_cfg);
+       bt_put(source_cfg);
+       bt_put(graph);
+       return ret;
+}
+
+static void warn_command_name_and_directory_clash(struct bt_config *cfg)
+{
+       if (!cfg->command_name) {
+               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);
+       }
+}
+
+int main(int argc, const char **argv)
+{
+       int ret;
+       int retcode;
+       struct bt_config *cfg;
+
+       init_loaded_plugins_array();
+       cfg = bt_config_from_args_with_defaults(argc, argv, &retcode);
+
+       if (retcode < 0) {
+               /* Quit without errors; typically usage/version */
+               retcode = 0;
+               goto end;
+       }
+
+       if (retcode > 0) {
+               goto end;
+       }
+
+       if (!cfg) {
+               fprintf(stderr, "Failed to create Babeltrace configuration\n");
+               retcode = 1;
+               goto end;
+       }
+
+       babeltrace_debug = cfg->debug;
+       babeltrace_verbose = cfg->verbose;
+       print_cfg(cfg);
+
+       if (cfg->command_needs_plugins) {
+               ret = load_all_plugins(cfg->plugin_paths);
+               if (ret) {
+                       retcode = 1;
+                       goto end;
+               }
+       }
+
+       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:
+               assert(false);
+       }
+
+       warn_command_name_and_directory_clash(cfg);
+       retcode = ret ? 1 : 0;
+
+end:
+       BT_PUT(cfg);
+       fini_loaded_plugins_array();
+       return retcode;
+}
diff --git a/cli/default-cfg.c b/cli/default-cfg.c
new file mode 100644 (file)
index 0000000..fb32543
--- /dev/null
@@ -0,0 +1,75 @@
+/*
+ * default-cfg.c
+ *
+ * Babeltrace Trace Converter - Default Configuration
+ *
+ * Copyright 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: 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/values.h>
+#include "babeltrace-cfg.h"
+#include "default-cfg.h"
+#include "config.h"
+
+#ifdef BT_SET_DEFAULT_IN_TREE_CONFIGURATION
+
+struct bt_config *bt_config_from_args_with_defaults(int argc,
+               const char *argv[], int *retcode)
+{
+       struct 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_from_args(argc, argv, retcode, true, true,
+               initial_plugin_paths);
+       goto end;
+
+error:
+       *retcode = 1;
+       BT_PUT(cfg);
+
+end:
+       bt_put(initial_plugin_paths);
+       return cfg;
+}
+
+#else /* BT_SET_DEFAULT_IN_TREE_CONFIGURATION */
+
+struct bt_config *bt_config_from_args_with_defaults(int argc,
+               const char *argv[], int *retcode)
+{
+       return bt_config_from_args(argc, argv, retcode, false, false, NULL);
+}
+
+#endif /* BT_SET_DEFAULT_IN_TREE_CONFIGURATION */
diff --git a/cli/default-cfg.h b/cli/default-cfg.h
new file mode 100644 (file)
index 0000000..d6b9188
--- /dev/null
@@ -0,0 +1,33 @@
+#ifndef BABELTRACE_DEFAULT_CFG_H
+#define BABELTRACE_DEFAULT_CFG_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_from_args_with_defaults(int argc,
+               const char *argv[], int *retcode);
+
+#endif /* BABELTRACE_DEFAULT_CFG_H */
index 0e0ddbef53db930faeb402b8de8d1441bd680d84..a18c0cb89f2a1a3dbc61d22b72adfc1a79cbe864 100644 (file)
@@ -446,7 +446,7 @@ AC_CONFIG_FILES([
        Makefile
        common/Makefile
        compat/Makefile
-       converter/Makefile
+       cli/Makefile
        doc/Makefile
        doc/api/Makefile
        doc/api/Doxyfile
diff --git a/converter/Makefile.am b/converter/Makefile.am
deleted file mode 100644 (file)
index c1fce34..0000000
+++ /dev/null
@@ -1,44 +0,0 @@
-PLUGINS_PATH = $(abs_top_builddir)/plugins
-AM_CFLAGS = $(PACKAGE_CFLAGS) -I$(top_srcdir)/include \
-               -DCONFIG_IN_TREE_PLUGIN_PATH=\"$(PLUGINS_PATH)/ctf:$(PLUGINS_PATH)/text:$(PLUGINS_PATH)/muxer:$(PLUGINS_PATH)/writer:$(PLUGINS_PATH)/utils\"
-AM_LDFLAGS = -lpopt
-
-bin_PROGRAMS = babeltrace.bin
-noinst_PROGRAMS = babeltrace
-#check_PROGRAMS = babeltrace
-
-babeltrace_bin_SOURCES = \
-       babeltrace.c \
-       babeltrace-cfg.c \
-       babeltrace-cfg.h \
-       default-cfg.h \
-       default-cfg.c \
-       babeltrace-cfg-connect.h \
-       babeltrace-cfg-connect.c
-
-# -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 = -Wl, $(LD_NO_AS_NEEDED), -export-dynamic
-babeltrace_bin_LDADD = \
-       $(top_builddir)/lib/libbabeltrace.la \
-       $(top_builddir)/compat/libcompat.la \
-       $(top_builddir)/common/libbabeltrace-common.la
-
-if ENABLE_DEBUG_INFO
-babeltrace_bin_LDADD += $(top_builddir)/lib/libdebug-info.la
-endif
-
-if BUILT_IN_PLUGINS
-babeltrace_bin_LDFLAGS += -Wl,--whole-archive,$(top_builddir)/plugins/ctf/.libs/libbabeltrace-plugin-ctf.a,$(top_builddir)/plugins/text/.libs/libbabeltrace-plugin-ctf-text.a,$(top_builddir)/plugins/muxer/.libs/libbabeltrace-plugin-muxer.a,$(top_builddir)/plugins/writer/.libs/libbabeltrace-plugin-ctf-writer.a,--no-whole-archive
-endif
-
-if BABELTRACE_BUILD_WITH_MINGW
-babeltrace_bin_LDADD += -lrpcrt4 -lintl -liconv -lole32 -lpopt -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
diff --git a/converter/babeltrace-cfg-connect.c b/converter/babeltrace-cfg-connect.c
deleted file mode 100644 (file)
index e1de064..0000000
+++ /dev/null
@@ -1,680 +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 <babeltrace/values.h>
-#include <babeltrace/common-internal.h>
-#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-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);
-}
-
-void bt_config_connection_destroy(struct bt_config_connection *connection)
-{
-       if (!connection) {
-               return;
-       }
-
-       if (connection->src_instance_name) {
-               g_string_free(connection->src_instance_name, TRUE);
-       }
-
-       if (connection->dst_instance_name) {
-               g_string_free(connection->dst_instance_name, TRUE);
-       }
-
-       if (connection->src_port_name) {
-               g_string_free(connection->src_port_name, TRUE);
-       }
-
-       if (connection->dst_port_name) {
-               g_string_free(connection->dst_port_name, TRUE);
-       }
-
-       if (connection->arg) {
-               g_string_free(connection->arg, TRUE);
-       }
-
-       g_free(connection);
-}
-
-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->src_instance_name = g_string_new(NULL);
-       if (!cfg_connection->src_instance_name) {
-               goto error;
-       }
-
-       cfg_connection->dst_instance_name = g_string_new(NULL);
-       if (!cfg_connection->dst_instance_name) {
-               goto error;
-       }
-
-       cfg_connection->src_port_name = g_string_new(NULL);
-       if (!cfg_connection->src_port_name) {
-               goto error;
-       }
-
-       cfg_connection->dst_port_name = g_string_new(NULL);
-       if (!cfg_connection->dst_port_name) {
-               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 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 {
-               SRC_NAME,
-               DST_NAME,
-               SRC_PORT_NAME,
-               DST_PORT_NAME,
-       } state = SRC_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 SRC_NAME:
-                       gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
-                       if (!gs || gs->len == 0) {
-                               goto error;
-                       }
-
-                       g_string_free(cfg_conn->src_instance_name, TRUE);
-                       cfg_conn->src_instance_name = gs;
-                       gs = NULL;
-
-                       if (at[end_pos] == ':') {
-                               state = DST_NAME;
-                       } else if (at[end_pos] == '.') {
-                               state = SRC_PORT_NAME;
-                       } else {
-                               goto error;
-                       }
-
-                       at += end_pos + 1;
-                       break;
-               case DST_NAME:
-                       gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
-                       if (!gs || gs->len == 0) {
-                               goto error;
-                       }
-
-                       g_string_free(cfg_conn->dst_instance_name, TRUE);
-                       cfg_conn->dst_instance_name = gs;
-                       gs = NULL;
-
-                       if (at[end_pos] == '.') {
-                               state = DST_PORT_NAME;
-                       } else if (at[end_pos] == '\0') {
-                               goto end;
-                       } else {
-                               goto error;
-                       }
-
-                       at += end_pos + 1;
-                       break;
-               case SRC_PORT_NAME:
-                       gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
-                       if (!gs || gs->len == 0) {
-                               goto error;
-                       }
-
-                       g_string_free(cfg_conn->src_port_name, TRUE);
-                       cfg_conn->src_port_name = gs;
-                       gs = NULL;
-
-                       if (at[end_pos] == ':') {
-                               state = DST_NAME;
-                       } else {
-                               goto error;
-                       }
-
-                       at += end_pos + 1;
-                       break;
-               case DST_PORT_NAME:
-                       gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
-                       if (!gs || gs->len == 0) {
-                               goto error;
-                       }
-
-                       g_string_free(cfg_conn->dst_port_name, TRUE);
-                       cfg_conn->dst_port_name = gs;
-                       gs = NULL;
-
-                       if (at[end_pos] == '\0') {
-                               goto end;
-                       } else {
-                               goto error;
-                       }
-                       break;
-               default:
-                       assert(false);
-               }
-       }
-
-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 = bt_get(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->src_instance_name->str);
-               bt_put(comp);
-               if (!comp) {
-                       snprintf(error_buf, error_buf_size,
-                               "Invalid connection: cannot find upstream component `%s`:\n    %s\n",
-                               connection->src_instance_name->str,
-                               connection->arg->str);
-                       ret = -1;
-                       goto end;
-               }
-
-               comp = find_component(cfg, connection->dst_instance_name->str);
-               bt_put(comp);
-               if (!comp) {
-                       snprintf(error_buf, error_buf_size,
-                               "Invalid connection: cannot find downstream component `%s`:\n    %s\n",
-                               connection->dst_instance_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->src_instance_name->str);
-               assert(src_comp);
-               dst_comp = find_component(cfg,
-                       connection->dst_instance_name->str);
-               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->src_instance_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->src_instance_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->src_instance_name->str,
-                               connection->dst_instance_name->str,
-                               connection->arg->str);
-                       ret = -1;
-                       goto end;
-               }
-
-               BT_PUT(src_comp);
-               BT_PUT(dst_comp);
-       }
-
-end:
-       bt_put(src_comp);
-       bt_put(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;
-
-       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->src_instance_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->dst_instance_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->dst_instance_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->src_instance_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,
-               struct 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_key(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;
-       struct 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(connected_components,
-                       connection->src_instance_name->str, bt_value_null);
-               if (ret) {
-                       goto end;
-               }
-
-               ret = bt_value_map_insert(connected_components,
-                       connection->dst_instance_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_put(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;
-       struct 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->src_instance_name->str,
-                       connection->src_port_name->str,
-                       connection->dst_instance_name->str,
-                       connection->dst_port_name->str);
-
-               if (bt_value_map_has_key(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(flat_connection_names,
-                       flat_connection_name->str, bt_value_null);
-               if (ret) {
-                       goto end;
-               }
-       }
-
-end:
-       bt_put(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_create_connections(struct bt_config *cfg,
-               struct 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_size(connection_args); i++) {
-               struct bt_value *arg_value =
-                       bt_value_array_get(connection_args, i);
-               const char *arg;
-               struct bt_config_connection *cfg_connection;
-
-               ret = bt_value_string_get(arg_value, &arg);
-               BT_PUT(arg_value);
-               assert(ret == 0);
-               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/converter/babeltrace-cfg-connect.h b/converter/babeltrace-cfg-connect.h
deleted file mode 100644 (file)
index 98f9d04..0000000
+++ /dev/null
@@ -1,46 +0,0 @@
-#ifndef BABELTRACE_CONNECT_H
-#define BABELTRACE_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/values.h>
-#include <glib.h>
-#include "babeltrace-cfg.h"
-
-struct bt_config_connection {
-       GString *src_instance_name;
-       GString *dst_instance_name;
-       GString *src_port_name;
-       GString *dst_port_name;
-       GString *arg;
-};
-
-int bt_config_create_connections(struct bt_config *cfg,
-               struct bt_value *connection_args,
-               char *error_buf, size_t error_buf_size);
-
-void bt_config_connection_destroy(struct bt_config_connection *connection);
-
-#endif /* BABELTRACE_CONNECT_H */
diff --git a/converter/babeltrace-cfg.c b/converter/babeltrace-cfg.c
deleted file mode 100644 (file)
index bf36be9..0000000
+++ /dev/null
@@ -1,4727 +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 <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-#include <stdio.h>
-#include <stdbool.h>
-#include <inttypes.h>
-#include <babeltrace/babeltrace.h>
-#include <babeltrace/common-internal.h>
-#include <babeltrace/values.h>
-#include <popt.h>
-#include <glib.h>
-#include <sys/types.h>
-#include <pwd.h>
-#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-connect.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 negative number value */
-       INI_EXPECT_VALUE_NUMBER_NEG,
-
-       /* 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) */
-       struct 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;
-       struct bt_value *names;
-       struct 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");
-}
-
-static
-int ini_handle_state(struct ini_parsing_state *state)
-{
-       int ret = 0;
-       GTokenType token_type;
-       struct 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:
-                       case INI_EXPECT_VALUE_NUMBER_NEG:
-                               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_key(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:
-       {
-               switch (token_type) {
-               case G_TOKEN_CHAR:
-                       if (state->scanner->value.v_char == '-') {
-                               /* Negative number */
-                               state->expecting =
-                                       INI_EXPECT_VALUE_NUMBER_NEG;
-                               goto success;
-                       } else {
-                               ini_append_error_expecting(state,
-                                       state->scanner, "value");
-                               goto error;
-                       }
-                       break;
-               case G_TOKEN_INT:
-               {
-                       /* Positive integer */
-                       uint64_t int_val = state->scanner->value.v_int64;
-
-                       if (int_val > (1ULL << 63) - 1) {
-                               g_string_append_printf(state->ini_error,
-                                       "Integer value %" PRIu64 " is outside the range of a 64-bit signed integer\n",
-                                       int_val);
-                               goto error;
-                       }
-
-                       value = bt_value_integer_create_init(
-                               (int64_t) int_val);
-                       break;
-               }
-               case G_TOKEN_FLOAT:
-                       /* Positive floating point number */
-                       value = bt_value_float_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 */
-                       break;
-               }
-
-               if (!value) {
-                       ini_append_error_expecting(state,
-                               state->scanner, "value");
-                       goto error;
-               }
-
-               state->expecting = INI_EXPECT_COMMA;
-               goto success;
-       }
-       case INI_EXPECT_VALUE_NUMBER_NEG:
-       {
-               switch (token_type) {
-               case G_TOKEN_INT:
-               {
-                       /* Negative integer */
-                       uint64_t int_val = state->scanner->value.v_int64;
-
-                       if (int_val > (1ULL << 63) - 1) {
-                               g_string_append_printf(state->ini_error,
-                                       "Integer value -%" PRIu64 " is outside the range of a 64-bit signed integer\n",
-                                       int_val);
-                               goto error;
-                       }
-
-                       value = bt_value_integer_create_init(
-                               -((int64_t) int_val));
-                       break;
-               }
-               case G_TOKEN_FLOAT:
-                       /* Negative floating point number */
-                       value = bt_value_float_create_init(
-                               -state->scanner->value.v_float);
-                       break;
-               default:
-                       /* Unset value variable will trigger the error */
-                       break;
-               }
-
-               if (!value) {
-                       ini_append_error_expecting(state,
-                               state->scanner, "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:
-               assert(false);
-       }
-
-error:
-       ret = -1;
-       goto end;
-
-success:
-       if (value) {
-               if (bt_value_map_insert(state->params,
-                               state->last_map_key, value)) {
-                       /* Only override return value on error */
-                       ret = -1;
-               }
-       }
-
-end:
-       BT_PUT(value);
-       return ret;
-}
-
-/*
- * Converts an INI-style argument to an equivalent map value object.
- *
- * Return value is owned by the caller.
- */
-static
-struct 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_PUT(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
-struct bt_value *bt_value_from_arg(const char *arg)
-{
-       struct 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 and component class names, and the instance name,
- * from a command-line source/filter/sink option's argument. arg must
- * have the following format:
- *
- *     [NAME:]PLUGIN.CLS
- *
- * where NAME is the optional component name, PLUGIN is the plugin name,
- * and CLS is the component class name.
- *
- * On success, both *plugin and *component are not NULL. *plugin
- * and *component are owned by the caller. On success, *name can be NULL
- * if no component name was found.
- */
-static
-void plugin_comp_cls_names(const char *arg, char **name, char **plugin,
-               char **comp_cls)
-{
-       const char *at = arg;
-       GString *gs_name = NULL;
-       GString *gs_plugin = NULL;
-       GString *gs_comp_cls = NULL;
-       size_t end_pos;
-
-       assert(arg);
-       assert(plugin);
-       assert(comp_cls);
-
-       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 plugin name */
-       gs_plugin = bt_common_string_until(at, ".:\\", ".", &end_pos);
-       if (!gs_plugin || gs_plugin->len == 0 || at[end_pos] == '\0') {
-               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) {
-               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 (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 (name) {
-               *name = NULL;
-       }
-
-       *plugin = NULL;
-       *comp_cls = NULL;
-
-end:
-       return;
-}
-
-/*
- * Prints the Babeltrace version.
- */
-static
-void print_version(void)
-{
-       puts("Babeltrace " VERSION);
-}
-
-/*
- * Destroys a component configuration.
- */
-static
-void bt_config_component_destroy(struct 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_PUT(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(
-               enum 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(cfg_component, 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_PUT(cfg_component);
-
-end:
-       return cfg_component;
-}
-
-/*
- * Creates a component configuration from a command-line source/sink
- * option's argument.
- */
-struct bt_config_component *bt_config_component_from_arg(
-               enum bt_component_class_type type, const char *arg)
-{
-       struct bt_config_component *cfg_comp = NULL;
-       char *name = NULL;
-       char *plugin_name = NULL;
-       char *comp_cls_name = NULL;
-
-       plugin_comp_cls_names(arg, &name, &plugin_name, &comp_cls_name);
-       if (!plugin_name || !comp_cls_name) {
-               printf_err("Cannot get plugin or component class name\n");
-               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_PUT(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(struct bt_object *obj)
-{
-       struct bt_config *cfg =
-               container_of(obj, struct bt_config, base);
-
-       if (!obj) {
-               goto end;
-       }
-
-       BT_PUT(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_PUT(cfg->cmd_data.help.cfg_component);
-               break;
-       case BT_CONFIG_COMMAND_QUERY:
-               BT_PUT(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);
-               }
-               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);
-               }
-               break;
-       default:
-               assert(false);
-       }
-
-       g_free(cfg);
-
-end:
-       return;
-}
-
-static void destroy_gstring(void *data)
-{
-       g_string_free(data, TRUE);
-}
-
-static void destroy_glist_of_gstring(GList *list)
-{
-       if (!list) {
-               return;
-       }
-
-       GList *at;
-
-       for (at = list; at != NULL; at = g_list_next(at)) {
-               g_string_free(at->data, TRUE);
-       }
-
-       g_list_free(list);
-}
-
-/*
- * Extracts the various paths from the string arg, delimited by ':',
- * and appends them to the array value object plugin_paths.
- */
-enum bt_value_status bt_config_append_plugin_paths(
-               struct bt_value *plugin_paths, const char *arg)
-{
-       enum bt_value_status status = BT_VALUE_STATUS_OK;
-       GPtrArray *dirs = g_ptr_array_new_with_free_func(destroy_gstring);
-       int ret;
-       size_t i;
-
-       if (!dirs) {
-               status = BT_VALUE_STATUS_ERROR;
-               goto end;
-       }
-
-       ret = bt_common_append_plugin_path_dirs(arg, dirs);
-       if (ret) {
-               status = BT_VALUE_STATUS_ERROR;
-               goto end;
-       }
-
-       for (i = 0; i < dirs->len; i++) {
-               GString *dir = g_ptr_array_index(dirs, i);
-
-               bt_value_array_append_string(plugin_paths, dir->str);
-       }
-
-end:
-       g_ptr_array_free(dirs, TRUE);
-       return status;
-}
-
-/*
- * 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
-struct bt_value *names_from_arg(const char *arg)
-{
-       GScanner *scanner = NULL;
-       struct 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(names,
-                                               "payload")) {
-                                       goto error;
-                               }
-                       } else if (!strcmp(identifier, "context") ||
-                                       !strcmp(identifier, "ctx")) {
-                               found_item = true;
-                               if (bt_value_array_append_string(names,
-                                               "context")) {
-                                       goto error;
-                               }
-                       } else if (!strcmp(identifier, "scope") ||
-                                       !strcmp(identifier, "header")) {
-                               found_item = true;
-                               if (bt_value_array_append_string(names,
-                                               identifier)) {
-                                       goto error;
-                               }
-                       } else if (!strcmp(identifier, "all")) {
-                               found_all = true;
-                               if (bt_value_array_append_string(names,
-                                               identifier)) {
-                                       goto error;
-                               }
-                       } else if (!strcmp(identifier, "none")) {
-                               found_none = true;
-                               if (bt_value_array_append_string(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(names, "none")) {
-                       goto error;
-               }
-       }
-       if (scanner) {
-               g_scanner_destroy(scanner);
-       }
-       return names;
-
-error:
-       BT_PUT(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
-struct bt_value *fields_from_arg(const char *arg)
-{
-       GScanner *scanner = NULL;
-       struct 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(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_PUT(fields);
-
-end:
-       if (scanner) {
-               g_scanner_destroy(scanner);
-       }
-       return fields;
-}
-
-static
-void append_param_arg(GString *params_arg, const char *key, const char *value)
-{
-       assert(params_arg);
-       assert(key);
-       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,
-               struct bt_value *names_array, const char *prefix)
-{
-       int ret = 0;
-       int i;
-       GString *tmpstr = NULL, *default_value = NULL;
-
-       /*
-        * 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_size(names_array); i++) {
-               struct bt_value *str_obj = bt_value_array_get(names_array, i);
-               const char *suffix;
-               bool is_default = false;
-
-               if (!str_obj) {
-                       printf_err("Unexpected error\n");
-                       ret = -1;
-                       goto end;
-               }
-
-               ret = bt_value_string_get(str_obj, &suffix);
-               BT_PUT(str_obj);
-               if (ret) {
-                       printf_err("Unexpected error\n");
-                       goto end;
-               }
-
-               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) {
-                       g_string_append(tmpstr, "default");
-                       append_param_arg(params_arg, tmpstr->str,
-                               default_value->str);
-               } else {
-                       g_string_append(tmpstr, suffix);
-                       append_param_arg(params_arg, tmpstr->str, "yes");
-               }
-       }
-
-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_CONNECT,
-       OPT_DEBUG,
-       OPT_DEBUG_INFO_DIR,
-       OPT_DEBUG_INFO_FULL_PATH,
-       OPT_DEBUG_INFO_TARGET_PREFIX,
-       OPT_END,
-       OPT_FIELDS,
-       OPT_FILTER,
-       OPT_HELP,
-       OPT_INPUT_FORMAT,
-       OPT_KEY,
-       OPT_LIST,
-       OPT_NAME,
-       OPT_NAMES,
-       OPT_NO_DEBUG_INFO,
-       OPT_NO_DELTA,
-       OPT_OMIT_HOME_PLUGIN_PATH,
-       OPT_OMIT_SYSTEM_PLUGIN_PATH,
-       OPT_OUTPUT_FORMAT,
-       OPT_OUTPUT,
-       OPT_PARAMS,
-       OPT_PATH,
-       OPT_PLUGIN_PATH,
-       OPT_RESET_BASE_PARAMS,
-       OPT_RUN_ARGS,
-       OPT_RUN_ARGS_0,
-       OPT_SINK,
-       OPT_SOURCE,
-       OPT_STREAM_INTERSECTION,
-       OPT_TIMERANGE,
-       OPT_URL,
-       OPT_VALUE,
-       OPT_VERBOSE,
-};
-
-enum bt_config_component_dest {
-       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_get(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:
-               assert(false);
-       }
-}
-
-static int add_run_cfg_comp_check_name(struct bt_config *cfg,
-               struct bt_config_component *cfg_comp,
-               enum bt_config_component_dest dest,
-               struct 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_key(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(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(struct bt_value *plugin_paths)
-{
-       int ret = 0;
-       const char *envvar;
-
-       if (bt_common_is_setuid_setgid()) {
-               printf_debug("Skipping non-system plugin paths for setuid/setgid binary\n");
-               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(struct 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()) {
-                       printf_debug("Skipping non-system plugin paths for setuid/setgid binary\n");
-               } 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,
-               struct 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(cfg, bt_config_destroy);
-       cfg->command = command;
-       cfg->command_needs_plugins = needs_plugins;
-
-       if (initial_plugin_paths) {
-               cfg->plugin_paths = bt_get(initial_plugin_paths);
-       } else {
-               cfg->plugin_paths = bt_value_array_create();
-               if (!cfg->plugin_paths) {
-                       print_err_oom();
-                       goto error;
-               }
-       }
-
-       goto end;
-
-error:
-       BT_PUT(cfg);
-
-end:
-       return cfg;
-}
-
-static struct bt_config *bt_config_run_create(
-               struct 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_put);
-       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_put);
-       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_put);
-       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_PUT(cfg);
-
-end:
-       return cfg;
-}
-
-static struct bt_config *bt_config_list_plugins_create(
-               struct 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_PUT(cfg);
-
-end:
-       return cfg;
-}
-
-static struct bt_config *bt_config_help_create(
-               struct 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(BT_COMPONENT_CLASS_TYPE_UNKNOWN,
-                       NULL, NULL);
-       if (!cfg->cmd_data.help.cfg_component) {
-               goto error;
-       }
-
-       goto end;
-
-error:
-       BT_PUT(cfg);
-
-end:
-       return cfg;
-}
-
-static struct bt_config *bt_config_query_create(
-               struct 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_PUT(cfg);
-
-end:
-       return cfg;
-}
-
-static struct bt_config *bt_config_print_ctf_metadata_create(
-               struct 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;
-       }
-
-       goto end;
-
-error:
-       BT_PUT(cfg);
-
-end:
-       return cfg;
-}
-
-static struct bt_config *bt_config_print_lttng_live_sessions_create(
-               struct 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;
-       }
-
-       goto end;
-
-error:
-       BT_PUT(cfg);
-
-end:
-       return cfg;
-}
-
-int bt_config_append_plugin_paths_check_setuid_setgid(
-               struct bt_value *plugin_paths, const char *arg)
-{
-       int ret = 0;
-
-       if (bt_common_is_setuid_setgid()) {
-               printf_debug("Skipping non-system plugin paths for setuid/setgid binary\n");
-               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) 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, "\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, "    observe=3.14, simple=beef, needs-quotes=\"some string\",\n");
-       fprintf(fp, "    escape.chars-are:allowed=\"this is a \\\" double quote\"\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run babeltrace\n");
-       fprintf(fp, "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] --source=PLUGIN.CLS\n");
-       fprintf(fp, "       babeltrace [GENERAL OPTIONS] help [OPTIONS] --filter=PLUGIN.CLS\n");
-       fprintf(fp, "       babeltrace [GENERAL OPTIONS] help [OPTIONS] --sink=PLUGIN.CLS\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "  -f, --filter=PLUGIN.CLS           Get help for the filter component class\n");
-       fprintf(fp, "                                    CLS found in the plugin PLUGIN\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, "  -S, --sink=PLUGIN.CLS             Get help for the sink component class\n");
-       fprintf(fp, "                                    CLS found in the plugin PLUGIN\n");
-       fprintf(fp, "  -s, --source=PLUGIN.CLS           Get help for the source component class\n");
-       fprintf(fp, "                                    CLS found in the plugin PLUGIN\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 */
-       { "filter", 'f', POPT_ARG_STRING, NULL, OPT_FILTER, NULL, NULL },
-       { "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 },
-       { "sink", 'S', POPT_ARG_STRING, NULL, OPT_SINK, NULL, NULL },
-       { "source", 's', POPT_ARG_STRING, NULL, OPT_SOURCE, 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 omit_system_plugin_path,
-               bool omit_home_plugin_path,
-               struct 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;
-       char *plug_comp_cls_names = NULL;
-
-       *retcode = 0;
-       cfg = bt_config_help_create(initial_plugin_paths);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->omit_system_plugin_path = omit_system_plugin_path;
-       cfg->omit_home_plugin_path = 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_SOURCE:
-               case OPT_FILTER:
-               case OPT_SINK:
-                       if (cfg->cmd_data.help.cfg_component->type !=
-                                       BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
-                               printf_err("Cannot specify more than one plugin and component class:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       switch (opt) {
-                       case OPT_SOURCE:
-                               cfg->cmd_data.help.cfg_component->type =
-                                       BT_COMPONENT_CLASS_TYPE_SOURCE;
-                               break;
-                       case OPT_FILTER:
-                               cfg->cmd_data.help.cfg_component->type =
-                                       BT_COMPONENT_CLASS_TYPE_FILTER;
-                               break;
-                       case OPT_SINK:
-                               cfg->cmd_data.help.cfg_component->type =
-                                       BT_COMPONENT_CLASS_TYPE_SINK;
-                               break;
-                       default:
-                               assert(false);
-                       }
-                       plug_comp_cls_names = strdup(arg);
-                       if (!plug_comp_cls_names) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       break;
-               case OPT_HELP:
-                       print_help_usage(stdout);
-                       *retcode = -1;
-                       BT_PUT(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) {
-               if (cfg->cmd_data.help.cfg_component->type !=
-                                       BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
-                       printf_err("Cannot specify plugin name and --source/--filter/--sink component class:\n    %s\n",
-                               leftover);
-                       goto error;
-               }
-
-               g_string_assign(cfg->cmd_data.help.cfg_component->plugin_name,
-                       leftover);
-       } else {
-               if (cfg->cmd_data.help.cfg_component->type ==
-                                       BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
-                       print_help_usage(stdout);
-                       *retcode = -1;
-                       BT_PUT(cfg);
-                       goto end;
-               }
-
-               plugin_comp_cls_names(plug_comp_cls_names, NULL,
-                       &plugin_name, &comp_cls_name);
-               if (plugin_name && comp_cls_name) {
-                       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 {
-                       printf_err("Invalid --source/--filter/--sink option's argument:\n    %s\n",
-                               plug_comp_cls_names);
-                       goto error;
-               }
-       }
-
-       if (append_home_and_system_plugin_paths_cfg(cfg)) {
-               goto error;
-       }
-
-       goto end;
-
-error:
-       *retcode = 1;
-       BT_PUT(cfg);
-
-end:
-       free(plug_comp_cls_names);
-       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] OBJECT --source=PLUGIN.CLS\n");
-       fprintf(fp, "       babeltrace [GEN OPTS] query [OPTS] OBJECT --filter=PLUGIN.CLS\n");
-       fprintf(fp, "       babeltrace [GEN OPTS] query [OPTS] OBJECT --sink=PLUGIN.CLS\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "  -f. --filter=PLUGIN.CLS           Query object from the filter component\n");
-       fprintf(fp, "                                    class CLS found in the plugin PLUGIN\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, "  -S, --sink=PLUGIN.CLS             Query object from the sink component class\n");
-       fprintf(fp, "                                    CLS found in the plugin PLUGIN\n");
-       fprintf(fp, "  -s, --source=PLUGIN.CLS           Query object from the source component\n");
-       fprintf(fp, "                                    class CLS found in the plugin PLUGIN\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 */
-       { "filter", 'f', POPT_ARG_STRING, NULL, OPT_FILTER, NULL, NULL },
-       { "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 },
-       { "sink", 'S', POPT_ARG_STRING, NULL, OPT_SINK, NULL, NULL },
-       { "source", 's', POPT_ARG_STRING, NULL, OPT_SOURCE, 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 omit_system_plugin_path,
-               bool omit_home_plugin_path,
-               struct bt_value *initial_plugin_paths)
-{
-       poptContext pc = NULL;
-       char *arg = NULL;
-       int opt;
-       int ret;
-       struct bt_config *cfg = NULL;
-       const char *leftover;
-       struct bt_value *params = bt_value_null;
-
-       *retcode = 0;
-       cfg = bt_config_query_create(initial_plugin_paths);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->omit_system_plugin_path =
-               omit_system_plugin_path;
-       cfg->omit_home_plugin_path = 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_SOURCE:
-               case OPT_FILTER:
-               case OPT_SINK:
-               {
-                       enum bt_component_class_type type;
-
-                       if (cfg->cmd_data.query.cfg_component) {
-                               printf_err("Cannot specify more than one plugin and component class:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       switch (opt) {
-                       case OPT_SOURCE:
-                               type = BT_COMPONENT_CLASS_TYPE_SOURCE;
-                               break;
-                       case OPT_FILTER:
-                               type = BT_COMPONENT_CLASS_TYPE_FILTER;
-                               break;
-                       case OPT_SINK:
-                               type = BT_COMPONENT_CLASS_TYPE_SINK;
-                               break;
-                       default:
-                               assert(false);
-                       }
-
-                       cfg->cmd_data.query.cfg_component =
-                               bt_config_component_from_arg(type, arg);
-                       if (!cfg->cmd_data.query.cfg_component) {
-                               printf_err("Invalid format for --source/--filter/--sink option's argument:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       /* Default parameters: null */
-                       bt_put(cfg->cmd_data.query.cfg_component->params);
-                       cfg->cmd_data.query.cfg_component->params =
-                               bt_value_null;
-                       break;
-               }
-               case OPT_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_PUT(cfg);
-                       goto end;
-               default:
-                       printf_err("Unknown command-line option specified (option code %d)\n",
-                               opt);
-                       goto error;
-               }
-
-               free(arg);
-               arg = NULL;
-       }
-
-       if (!cfg->cmd_data.query.cfg_component) {
-               printf_err("No target component class specified with --source/--filter/--sink option\n");
-               goto error;
-       }
-
-       assert(params);
-       BT_MOVE(cfg->cmd_data.query.cfg_component->params, params);
-
-       /* 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 one leftover argument which is the
-        * mandatory object.
-        */
-       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_PUT(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_PUT(cfg);
-
-end:
-       if (pc) {
-               poptFreeContext(pc);
-       }
-
-       BT_PUT(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 omit_system_plugin_path,
-               bool omit_home_plugin_path,
-               struct 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 = omit_system_plugin_path;
-       cfg->omit_home_plugin_path = 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_PUT(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_PUT(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, --connect=CONNECTION          Connect two created components (see the\n");
-       fprintf(fp, "                                    expected format of CONNECTION below)\n");
-       fprintf(fp, "  -f, --filter=[NAME:]PLUGIN.CLS    Instantiate a filter component from plugin\n");
-       fprintf(fp, "                                    PLUGIN and component class CLS, set it as\n");
-       fprintf(fp, "                                    the current component, and if NAME is\n");
-       fprintf(fp, "                                    given, set its instance name to NAME\n");
-       fprintf(fp, "      --key=KEY                     Set the current initialization string\n");
-       fprintf(fp, "                                    parameter key to KEY (see --value)\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, "  -S, --sink=[NAME:]PLUGIN.CLS      Instantiate a sink component from plugin\n");
-       fprintf(fp, "                                    PLUGIN and component class CLS, set it as\n");
-       fprintf(fp, "                                    the current component, and if NAME is\n");
-       fprintf(fp, "                                    given, set its instance name to NAME\n");
-       fprintf(fp, "  -s, --source=[NAME:]PLUGIN.CLS    Instantiate a source component from plugin\n");
-       fprintf(fp, "                                    PLUGIN and component class CLS, set it as\n");
-       fprintf(fp, "                                    the current component, and if NAME is\n");
-       fprintf(fp, "                                    given, set its instance name to NAME\n");
-       fprintf(fp, "      --value=VAL                   Add a string initialization parameter to\n");
-       fprintf(fp, "                                    the current component with a name given by\n");
-       fprintf(fp, "                                    the last argument of the --key option and a\n");
-       fprintf(fp, "                                    value set to VAL\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 the names of the upstream and downstream components\n");
-       fprintf(fp, "to connect together. You can set the name of the current component with the\n");
-       fprintf(fp, "--name option.\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "UPSTREAM-PORT and DOWNSTREAM-PORT are the optional upstream and downstream\n");
-       fprintf(fp, "ports to use for the connection. When the port is not specified, the default\n");
-       fprintf(fp, "port is used.\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, "Example:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "    my-filter.top10:json-out\n");
-       fprintf(fp, "\n\n");
-       print_expected_params_format(fp);
-}
-
-static struct poptOption run_long_options[] = {
-       /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
-       { "base-params", 'b', POPT_ARG_STRING, NULL, OPT_BASE_PARAMS, NULL, NULL },
-       { "connect", 'c', POPT_ARG_STRING, NULL, OPT_CONNECT, NULL, NULL },
-       { "filter", 'f', POPT_ARG_STRING, NULL, OPT_FILTER, NULL, NULL },
-       { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
-       { "key", '\0', POPT_ARG_STRING, NULL, OPT_KEY, 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 },
-       { "sink", 'S', POPT_ARG_STRING, NULL, OPT_SINK, NULL, NULL },
-       { "source", 's', POPT_ARG_STRING, NULL, OPT_SOURCE, NULL, NULL },
-       { "value", '\0', POPT_ARG_STRING, NULL, OPT_VALUE, NULL, NULL },
-       { NULL, 0, 0, NULL, 0, NULL, NULL },
-};
-
-/*
- * 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 omit_system_plugin_path,
-               bool omit_home_plugin_path,
-               struct 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;
-       struct bt_value *cur_base_params = NULL;
-       int opt, ret = 0;
-       struct bt_config *cfg = NULL;
-       struct bt_value *instance_names = NULL;
-       struct bt_value *connection_args = NULL;
-       GString *cur_param_key = NULL;
-       char error_buf[256] = { 0 };
-
-       *retcode = 0;
-       cur_param_key = g_string_new(NULL);
-       if (!cur_param_key) {
-               print_err_oom();
-               goto error;
-       }
-
-       if (argc <= 1) {
-               print_run_usage(stdout);
-               *retcode = -1;
-               goto end;
-       }
-
-       cfg = bt_config_run_create(initial_plugin_paths);
-       if (!cfg) {
-               goto error;
-       }
-
-       cfg->omit_system_plugin_path = omit_system_plugin_path;
-       cfg->omit_home_plugin_path = 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_SOURCE:
-               case OPT_FILTER:
-               case OPT_SINK:
-               {
-                       enum bt_component_class_type new_comp_type;
-                       enum bt_config_component_dest new_dest;
-                       const char *opt_name;
-
-                       switch (opt) {
-                       case OPT_SOURCE:
-                               new_comp_type = BT_COMPONENT_CLASS_TYPE_SOURCE;
-                               new_dest = BT_CONFIG_COMPONENT_DEST_SOURCE;
-                               opt_name = "--source";
-                               break;
-                       case OPT_FILTER:
-                               new_comp_type = BT_COMPONENT_CLASS_TYPE_FILTER;
-                               new_dest = BT_CONFIG_COMPONENT_DEST_FILTER;
-                               opt_name = "--filter";
-                               break;
-                       case OPT_SINK:
-                               new_comp_type = BT_COMPONENT_CLASS_TYPE_SINK;
-                               new_dest = BT_CONFIG_COMPONENT_DEST_SINK;
-                               opt_name = "--sink";
-                               break;
-                       default:
-                               assert(false);
-                       }
-
-                       if (cur_cfg_comp) {
-                               ret = add_run_cfg_comp_check_name(cfg,
-                                       cur_cfg_comp, cur_cfg_comp_dest,
-                                       instance_names);
-                               BT_PUT(cur_cfg_comp);
-                               if (ret) {
-                                       goto error;
-                               }
-                       }
-
-                       cur_cfg_comp = bt_config_component_from_arg(
-                               new_comp_type, arg);
-                       if (!cur_cfg_comp) {
-                               printf_err("Invalid format for %s option's argument:\n    %s\n",
-                                       opt_name, arg);
-                               goto error;
-                       }
-
-                       assert(cur_base_params);
-                       bt_put(cur_cfg_comp->params);
-                       cur_cfg_comp->params = bt_value_copy(cur_base_params);
-                       if (!cur_cfg_comp->params) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       cur_cfg_comp_dest = new_dest;
-                       break;
-               }
-               case OPT_PARAMS:
-               {
-                       struct bt_value *params;
-                       struct 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;
-                       }
-
-                       params_to_set = bt_value_map_extend(cur_cfg_comp->params,
-                               params);
-                       BT_PUT(params);
-                       if (!params_to_set) {
-                               printf_err("Cannot extend current component parameters with --params option's argument:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       BT_MOVE(cur_cfg_comp->params, params_to_set);
-                       break;
-               }
-               case OPT_KEY:
-                       if (strlen(arg) == 0) {
-                               printf_err("Cannot set an empty string as the current parameter key\n");
-                               goto error;
-                       }
-
-                       g_string_assign(cur_param_key, arg);
-                       break;
-               case OPT_VALUE:
-                       if (!cur_cfg_comp) {
-                               printf_err("Cannot set a parameter's value of unavailable component:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       if (cur_param_key->len == 0) {
-                               printf_err("--value option specified without preceding --key option:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       if (bt_value_map_insert_string(cur_cfg_comp->params,
-                                       cur_param_key->str, arg)) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       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:
-               {
-                       struct 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_MOVE(cur_base_params, params);
-                       break;
-               }
-               case OPT_RESET_BASE_PARAMS:
-                       BT_PUT(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(connection_args,
-                                       arg)) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       break;
-               case OPT_HELP:
-                       print_run_usage(stdout);
-                       *retcode = -1;
-                       BT_PUT(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_PUT(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_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_PUT(cfg);
-
-end:
-       if (pc) {
-               poptFreeContext(pc);
-       }
-
-       if (cur_param_key) {
-               g_string_free(cur_param_key, TRUE);
-       }
-
-       free(arg);
-       BT_PUT(cur_cfg_comp);
-       BT_PUT(cur_base_params);
-       BT_PUT(instance_names);
-       BT_PUT(connection_args);
-       return cfg;
-}
-
-static
-struct bt_config *bt_config_run_from_args_array(struct bt_value *run_args,
-               int *retcode, bool omit_system_plugin_path,
-               bool omit_home_plugin_path,
-               struct bt_value *initial_plugin_paths)
-{
-       struct bt_config *cfg = NULL;
-       const char **argv;
-       size_t i;
-       const size_t argc = bt_value_array_size(run_args) + 1;
-
-       argv = calloc(argc, sizeof(*argv));
-       if (!argv) {
-               print_err_oom();
-               goto end;
-       }
-
-       argv[0] = "run";
-
-       for (i = 0; i < bt_value_array_size(run_args); i++) {
-               int ret;
-               struct bt_value *arg_value = bt_value_array_get(run_args, i);
-               const char *arg;
-
-               assert(arg_value);
-               ret = bt_value_string_get(arg_value, &arg);
-               assert(ret == 0);
-               assert(arg);
-               argv[i + 1] = arg;
-               bt_put(arg_value);
-       }
-
-       cfg = bt_config_run_from_args(argc, argv, retcode,
-               omit_system_plugin_path, 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, "      --filter=[NAME:]PLUGIN.CLS    Instantiate a filter component from plugin\n");
-       fprintf(fp, "                                    PLUGIN and component class CLS, set it as\n");
-       fprintf(fp, "                                    the current component, and if NAME is\n");
-       fprintf(fp, "                                    given, set its instance name to 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, "                                    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, "      --sink=[NAME:]PLUGIN.CLS      Instantiate a sink component from plugin\n");
-       fprintf(fp, "                                    PLUGIN and component class CLS, set it as\n");
-       fprintf(fp, "                                    the current component, and if NAME is\n");
-       fprintf(fp, "                                    given, set its instance name to NAME\n");
-       fprintf(fp, "      --source=[NAME:]PLUGIN.CLS    Instantiate a source component from plugin\n");
-       fprintf(fp, "                                    PLUGIN and component class CLS, set it as\n");
-       fprintf(fp, "                                    the current component, and if NAME is\n");
-       fprintf(fp, "                                    given, set its instance name to NAME\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 `ctf.fs` source 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, "      --stream-intersection         Only process events when all streams\n");
-       fprintf(fp, "                                    are active\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "Implicit `text.text` sink 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 `utils.muxer` filter 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 `utils.trimmer` filter 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 `lttng-utils.debug-info` filter component options:\n");
-       fprintf(fp, "\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, "      --no-debug-info               Do not create an implicit\n");
-       fprintf(fp, "                                    `lttng-utils.debug-info` filter component\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 `ctf.fs` source\n");
-       fprintf(fp, "                                      component\n");
-       fprintf(fp, "                                    `lttng-live`:\n");
-       fprintf(fp, "                                      Create an implicit `ctf.lttng-live`\n");
-       fprintf(fp, "                                      source component\n");
-       fprintf(fp, "  -o, --output-format=(text | dummy | ctf-metadata)\n");
-       fprintf(fp, "                                    `text`:\n");
-       fprintf(fp, "                                      Create an implicit `text.text` sink\n");
-       fprintf(fp, "                                      component\n");
-       fprintf(fp, "                                    `dummy`:\n");
-       fprintf(fp, "                                      Create an implicit `utils.dummy` sink\n");
-       fprintf(fp, "                                      component\n");
-       fprintf(fp, "                                    `ctf-metadata`:\n");
-       fprintf(fp, "                                      Query the `ctf.fs` component class for\n");
-       fprintf(fp, "                                      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 },
-       { "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 },
-       { "filter", '\0', POPT_ARG_STRING, NULL, OPT_FILTER, 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 },
-       { "no-debug-info", '\0', POPT_ARG_NONE, NULL, OPT_NO_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 },
-       { "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 },
-       { "sink", '\0', POPT_ARG_STRING, NULL, OPT_SINK, NULL, NULL },
-       { "source", '\0', POPT_ARG_STRING, NULL, OPT_SOURCE, 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,
-               struct 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_key(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_key(existing_names, auto_name->str));
-
-end:
-       return auto_name;
-}
-
-struct implicit_component_args {
-       bool exists;
-       GString *plugin_comp_cls_arg;
-       GString *name_arg;
-       GString *params_arg;
-       struct bt_value *extra_args;
-};
-
-static
-int assign_name_to_implicit_component(struct implicit_component_args *args,
-               const char *prefix, struct 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(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(
-               enum bt_component_class_type type,
-               struct implicit_component_args *impl_args,
-               struct bt_value *run_args)
-{
-       int ret = 0;
-       size_t i;
-
-       if (!impl_args->exists) {
-               goto end;
-       }
-
-       switch (type) {
-       case BT_COMPONENT_CLASS_TYPE_SOURCE:
-               if (bt_value_array_append_string(run_args, "--source")) {
-                       print_err_oom();
-                       goto error;
-               }
-               break;
-       case BT_COMPONENT_CLASS_TYPE_FILTER:
-               if (bt_value_array_append_string(run_args, "--filter")) {
-                       print_err_oom();
-                       goto error;
-               }
-               break;
-       case BT_COMPONENT_CLASS_TYPE_SINK:
-               if (bt_value_array_append_string(run_args, "--sink")) {
-                       print_err_oom();
-                       goto error;
-               }
-               break;
-       default:
-               assert(false);
-       }
-
-       if (bt_value_array_append_string(run_args,
-                       impl_args->plugin_comp_cls_arg->str)) {
-               print_err_oom();
-               goto error;
-       }
-
-       if (bt_value_array_append_string(run_args, "--name")) {
-               print_err_oom();
-               goto error;
-       }
-
-       if (bt_value_array_append_string(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(run_args, "--params")) {
-                       print_err_oom();
-                       goto error;
-               }
-
-               if (bt_value_array_append_string(run_args,
-                               impl_args->params_arg->str)) {
-                       print_err_oom();
-                       goto error;
-               }
-       }
-
-       for (i = 0; i < bt_value_array_size(impl_args->extra_args); i++) {
-               struct bt_value *elem;
-               const char *arg;
-
-               elem = bt_value_array_get(impl_args->extra_args, i);
-               if (!elem) {
-                       goto error;
-               }
-
-               assert(bt_value_is_string(elem));
-               if (bt_value_string_get(elem, &arg)) {
-                       goto error;
-               }
-
-               ret = bt_value_array_append_string(run_args, arg);
-               bt_put(elem);
-               if (ret) {
-                       print_err_oom();
-                       goto error;
-               }
-       }
-
-       goto end;
-
-error:
-       ret = -1;
-
-end:
-       return ret;
-}
-
-static
-void destroy_implicit_component_args(struct implicit_component_args *args)
-{
-       assert(args);
-
-       if (args->plugin_comp_cls_arg) {
-               g_string_free(args->plugin_comp_cls_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_put(args->extra_args);
-}
-
-static
-int init_implicit_component_args(struct implicit_component_args *args,
-               const char *plugin_comp_cls_arg, bool exists)
-{
-       int ret = 0;
-
-       args->exists = exists;
-       args->plugin_comp_cls_arg = g_string_new(plugin_comp_cls_arg);
-       args->name_arg = g_string_new(NULL);
-       args->params_arg = g_string_new(NULL);
-       args->extra_args = bt_value_array_create();
-
-       if (!args->plugin_comp_cls_arg || !args->name_arg ||
-                       !args->params_arg || !args->extra_args) {
-               ret = -1;
-               destroy_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)
-{
-       assert(args);
-       assert(key);
-       assert(value);
-       append_param_arg(args->params_arg, key, value);
-}
-
-static
-int append_implicit_component_extra_arg(struct implicit_component_args *args,
-               const char *key, const char *value)
-{
-       int ret = 0;
-
-       assert(args);
-       assert(key);
-       assert(value);
-
-       if (bt_value_array_append_string(args->extra_args, "--key")) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-       if (bt_value_array_append_string(args->extra_args, key)) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-       if (bt_value_array_append_string(args->extra_args, "--value")) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-       if (bt_value_array_append_string(args->extra_args, value)) {
-               print_err_oom();
-               ret = -1;
-               goto end;
-       }
-
-end:
-       return ret;
-}
-
-static
-int convert_append_name_param(enum bt_config_component_dest dest,
-               GString *cur_name, GString *cur_name_prefix,
-               struct bt_value *run_args, struct 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 --source/--filter/--sink */
-               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_key(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(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(run_args, "--name")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string(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:
-                       assert(false);
-               }
-
-               g_string_assign(cur_name_prefix, "");
-       }
-
-       goto end;
-
-error:
-       ret = -1;
-
-end:
-       return ret;
-}
-
-/*
- * Escapes `.`, `:`, and `\` of `input` with `\`.
- */
-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.
- */
-int append_connect_arg(struct 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(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(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.
- */
-int convert_auto_connect(struct 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;
-
-       assert(source_names);
-       assert(filter_names);
-       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;
-
-       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;
-       }
-
-       assert(begin);
-       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);
-
-       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 omit_system_plugin_path,
-               bool omit_home_plugin_path,
-               struct bt_value *initial_plugin_paths)
-{
-       poptContext pc = NULL;
-       char *arg = NULL;
-       enum bt_config_component_dest cur_comp_dest;
-       int opt, ret = 0;
-       struct bt_config *cfg = NULL;
-       bool got_verbose_opt = false;
-       bool got_debug_opt = false;
-       bool got_input_format_opt = false;
-       bool got_output_format_opt = false;
-       bool trimmer_has_begin = false;
-       bool trimmer_has_end = 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;
-       struct bt_value *run_args = NULL;
-       struct bt_value *all_names = NULL;
-       GList *source_names = NULL;
-       GList *filter_names = NULL;
-       GList *sink_names = NULL;
-       struct implicit_component_args implicit_ctf_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 };
-       struct bt_value *plugin_paths = bt_get(initial_plugin_paths);
-       char error_buf[256] = { 0 };
-       size_t i;
-       struct bt_common_lttng_live_url_parts lttng_live_url_parts = { 0 };
-
-       *retcode = 0;
-
-       if (argc <= 1) {
-               print_convert_usage(stdout);
-               *retcode = -1;
-               goto end;
-       }
-
-       if (init_implicit_component_args(&implicit_ctf_args, "ctf.fs", false)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_lttng_live_args,
-                       "ctf.lttng-live", false)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_text_args, "text.text",
-                       false)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_dummy_args, "utils.dummy",
-                       false)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_debug_info_args,
-                       "lttng-utils.debug-info", true)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_muxer_args, "utils.muxer",
-                       true)) {
-               goto error;
-       }
-
-       if (init_implicit_component_args(&implicit_trimmer_args,
-                       "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;
-       }
-
-       /*
-        * 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 -> --key path --value PATH
-        *     --url=URL   -> --key url --value 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_SOURCE:
-               case OPT_FILTER:
-               case OPT_SINK:
-                       /* 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);
-                       if (!plugin_name || !comp_cls_name) {
-                               printf_err("Invalid format for --source/--filter/--sink option's argument:\n    %s\n",
-                                       arg);
-                               goto error;
-                       }
-
-                       if (name) {
-                               g_string_assign(cur_name, name);
-                       } else {
-                               g_string_assign(cur_name, "");
-                       }
-
-                       switch (opt) {
-                       case OPT_SOURCE:
-                               cur_comp_dest =
-                                       BT_CONFIG_COMPONENT_DEST_SOURCE;
-                               if (bt_value_array_append_string(run_args,
-                                               "--source")) {
-                                       print_err_oom();
-                                       goto error;
-                               }
-                               break;
-                       case OPT_FILTER:
-                               cur_comp_dest =
-                                       BT_CONFIG_COMPONENT_DEST_FILTER;
-                               if (bt_value_array_append_string(run_args,
-                                               "--filter")) {
-                                       print_err_oom();
-                                       goto error;
-                               }
-                               break;
-                       case OPT_SINK:
-                               cur_comp_dest =
-                                       BT_CONFIG_COMPONENT_DEST_SINK;
-                               if (bt_value_array_append_string(run_args,
-                                               "--sink")) {
-                                       print_err_oom();
-                                       goto error;
-                               }
-                               break;
-                       default:
-                               assert(false);
-                       }
-
-                       if (bt_value_array_append_string(run_args, arg)) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       g_string_assign(cur_name_prefix, "");
-                       g_string_append(cur_name_prefix, plugin_name);
-                       g_string_append_c(cur_name_prefix, '.');
-                       g_string_append(cur_name_prefix, 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(run_args,
-                                       "--params")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string(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 (bt_value_array_append_string(run_args, "--key")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string(run_args, "path")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string(run_args, "--value")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string(run_args, arg)) {
-                               print_err_oom();
-                               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 (bt_value_array_append_string(run_args, "--key")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string(run_args, "url")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string(run_args, "--value")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string(run_args, arg)) {
-                               print_err_oom();
-                               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(run_args, "--name")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string(run_args, arg)) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       g_string_assign(cur_name, arg);
-                       break;
-               case OPT_OMIT_HOME_PLUGIN_PATH:
-                       if (bt_value_array_append_string(run_args,
-                                       "--omit-home-plugin-path")) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       break;
-               case OPT_OMIT_SYSTEM_PLUGIN_PATH:
-                       if (bt_value_array_append_string(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(run_args,
-                                       "--plugin-path")) {
-                               print_err_oom();
-                               goto error;
-                       }
-
-                       if (bt_value_array_append_string(run_args, arg)) {
-                               print_err_oom();
-                               goto error;
-                       }
-                       break;
-               case OPT_HELP:
-                       print_convert_usage(stdout);
-                       *retcode = -1;
-                       BT_PUT(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_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_DEBUG_INFO:
-               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_arg(
-                               &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_arg(
-                               &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_arg(
-                               &implicit_trimmer_args, "begin", begin);
-                       ret |= append_implicit_component_extra_arg(
-                               &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, "force-correlate", "yes");
-                       break;
-               case OPT_CLOCK_GMT:
-                       append_implicit_component_param(
-                               &implicit_text_args, "clock-gmt", "yes");
-                       implicit_text_args.exists = true;
-                       break;
-               case OPT_CLOCK_OFFSET:
-                       ret = append_implicit_component_extra_arg(
-                               &implicit_ctf_args, "clock-offset-cycles", arg);
-                       implicit_ctf_args.exists = true;
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               case OPT_CLOCK_OFFSET_NS:
-                       ret = append_implicit_component_extra_arg(
-                               &implicit_ctf_args, "clock-offset-ns", arg);
-                       implicit_ctf_args.exists = true;
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               case OPT_CLOCK_SECONDS:
-                       append_implicit_component_param(
-                               &implicit_text_args, "clock-seconds", "yes");
-                       implicit_text_args.exists = true;
-                       break;
-               case OPT_COLOR:
-                       ret = append_implicit_component_extra_arg(
-                               &implicit_text_args, "color", arg);
-                       implicit_text_args.exists = true;
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               case OPT_NO_DEBUG_INFO:
-                       implicit_debug_info_args.exists = false;
-                       break;
-               case OPT_DEBUG_INFO_DIR:
-                       ret = append_implicit_component_extra_arg(
-                               &implicit_debug_info_args, "dir", arg);
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               case OPT_DEBUG_INFO_FULL_PATH:
-                       append_implicit_component_param(
-                               &implicit_debug_info_args, "full-path", "yes");
-                       break;
-               case OPT_DEBUG_INFO_TARGET_PREFIX:
-                       ret = append_implicit_component_extra_arg(
-                               &implicit_debug_info_args,
-                               "target-prefix", arg);
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               case OPT_FIELDS:
-               {
-                       struct bt_value *fields = fields_from_arg(arg);
-
-                       if (!fields) {
-                               goto error;
-                       }
-
-                       ret = insert_flat_params_from_array(
-                               implicit_text_args.params_arg,
-                               fields, "field");
-                       bt_put(fields);
-                       if (ret) {
-                               goto error;
-                       }
-                       break;
-               }
-               case OPT_NAMES:
-               {
-                       struct bt_value *names = names_from_arg(arg);
-
-                       if (!names) {
-                               goto error;
-                       }
-
-                       ret = insert_flat_params_from_array(
-                               implicit_text_args.params_arg,
-                               names, "name");
-                       bt_put(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_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, "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:
-                       ret = append_implicit_component_extra_arg(
-                               &implicit_text_args, "path", arg);
-                       implicit_text_args.exists = true;
-                       if (ret) {
-                               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:
-                       append_implicit_component_param(&implicit_ctf_args,
-                               "stream-intersection", "yes");
-                       implicit_ctf_args.exists = true;
-                       break;
-               case OPT_VERBOSE:
-                       if (got_verbose_opt) {
-                               printf_err("Duplicate -v/--verbose option\n");
-                               goto error;
-                       }
-
-                       append_implicit_component_param(&implicit_text_args,
-                               "verbose", "yes");
-                       implicit_text_args.exists = true;
-                       got_verbose_opt = true;
-                       break;
-               case OPT_DEBUG:
-                       got_debug_opt = true;
-                       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;
-       }
-
-       /*
-        * Append home and system plugin paths now that we possibly got
-        * --plugin-path.
-        */
-       if (append_home_and_system_plugin_paths(plugin_paths,
-                       omit_system_plugin_path, omit_home_plugin_path)) {
-               goto error;
-       }
-
-       /* Consume leftover argument */
-       leftover = poptGetArg(pc);
-
-       if (poptPeekArg(pc)) {
-               printf_err("Unexpected argument:\n    %s\n",
-                       poptPeekArg(pc));
-               goto error;
-       }
-
-       /* Print CTF metadata or print LTTng-live sessions */
-       if (print_ctf_metadata) {
-               if (!leftover) {
-                       printf_err("--output-format=ctf-metadata specified without a path\n");
-                       goto error;
-               }
-
-               cfg = bt_config_print_ctf_metadata_create(plugin_paths);
-               if (!cfg) {
-                       goto error;
-               }
-
-               cfg->debug = got_debug_opt;
-               cfg->verbose = got_verbose_opt;
-               g_string_assign(cfg->cmd_data.print_ctf_metadata.path,
-                       leftover);
-               goto end;
-       }
-
-       /*
-        * If -o dummy was not specified, and if there are no explicit
-        * sink components, then use an implicit `text.text` sink.
-        */
-       if (!implicit_dummy_args.exists && !sink_names) {
-               implicit_text_args.exists = true;
-       }
-
-       /* Decide where the leftover argument goes */
-       if (leftover) {
-               if (implicit_lttng_live_args.exists) {
-                       lttng_live_url_parts =
-                               bt_common_parse_lttng_live_url(leftover,
-                                       error_buf, 256);
-                       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;
-                               }
-
-                               cfg->debug = got_debug_opt;
-                               cfg->verbose = got_verbose_opt;
-                               g_string_assign(cfg->cmd_data.print_lttng_live_sessions.url,
-                                       leftover);
-                               goto end;
-                       }
-
-                       ret = append_implicit_component_extra_arg(
-                               &implicit_lttng_live_args, "url", leftover);
-                       if (ret) {
-                               goto error;
-                       }
-               } else {
-                       ret = append_implicit_component_extra_arg(
-                               &implicit_ctf_args, "path", leftover);
-                       implicit_ctf_args.exists = true;
-                       if (ret) {
-                               goto error;
-                       }
-               }
-       }
-
-       /*
-        * Ensure mutual exclusion between implicit `ctf.fs` and
-        * `ctf.lttng-live` sources.
-        */
-       if (implicit_ctf_args.exists && implicit_lttng_live_args.exists) {
-               printf_err("Cannot create both implicit `ctf.fs` and `ctf.lttng-live` source components\n");
-               goto error;
-       }
-
-       /*
-        * If the implicit `ctf.fs` or `ctf.lttng-live` source exists,
-        * make sure there's a leftover (which is the path or URL).
-        */
-       if (implicit_ctf_args.exists && !leftover) {
-               printf_err("Missing path for implicit `ctf.fs` source component\n");
-               goto error;
-       }
-
-       if (implicit_lttng_live_args.exists && !leftover) {
-               printf_err("Missing URL for implicit `ctf.lttng-live` source component\n");
-               goto error;
-       }
-
-       /* Assign names to implicit components */
-       ret = assign_name_to_implicit_component(&implicit_ctf_args,
-               "ctf", 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,
-               "text", 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,
-               "mux", all_names, NULL, false);
-       if (ret) {
-               goto error;
-       }
-
-       ret = assign_name_to_implicit_component(&implicit_trimmer_args,
-               "trim", 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(
-               BT_COMPONENT_CLASS_TYPE_SOURCE, &implicit_ctf_args, run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(
-               BT_COMPONENT_CLASS_TYPE_SOURCE, &implicit_lttng_live_args,
-               run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(
-               BT_COMPONENT_CLASS_TYPE_SINK, &implicit_text_args, run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(
-               BT_COMPONENT_CLASS_TYPE_SINK, &implicit_dummy_args, run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(
-               BT_COMPONENT_CLASS_TYPE_FILTER, &implicit_muxer_args, run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(
-               BT_COMPONENT_CLASS_TYPE_FILTER, &implicit_trimmer_args,
-               run_args);
-       if (ret) {
-               goto error;
-       }
-
-       ret = append_run_args_for_implicit_component(
-               BT_COMPONENT_CLASS_TYPE_FILTER, &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) {
-               for (i = 0; i < bt_value_array_size(run_args); i++) {
-                       struct bt_value *arg_value =
-                               bt_value_array_get(run_args, i);
-                       const char *arg;
-                       GString *quoted = NULL;
-                       const char *arg_to_print;
-
-                       assert(arg_value);
-                       ret = bt_value_string_get(arg_value, &arg);
-                       assert(ret == 0);
-                       BT_PUT(arg_value);
-
-                       if (print_run_args) {
-                               quoted = bt_common_shell_quote(arg);
-                               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_size(run_args) - 1) {
-                               if (print_run_args) {
-                                       putchar(' ');
-                               } else {
-                                       putchar('\0');
-                               }
-                       }
-               }
-
-               *retcode = -1;
-               BT_PUT(cfg);
-               goto end;
-       }
-
-       cfg = bt_config_run_from_args_array(run_args, retcode,
-               omit_system_plugin_path, omit_home_plugin_path,
-               initial_plugin_paths);
-       goto end;
-
-error:
-       *retcode = 1;
-       BT_PUT(cfg);
-
-end:
-       if (pc) {
-               poptFreeContext(pc);
-       }
-
-       free(arg);
-
-       if (cur_name) {
-               g_string_free(cur_name, TRUE);
-       }
-
-       if (cur_name_prefix) {
-               g_string_free(cur_name_prefix, TRUE);
-       }
-
-       bt_put(run_args);
-       bt_put(all_names);
-       destroy_glist_of_gstring(source_names);
-       destroy_glist_of_gstring(filter_names);
-       destroy_glist_of_gstring(sink_names);
-       destroy_implicit_component_args(&implicit_ctf_args);
-       destroy_implicit_component_args(&implicit_lttng_live_args);
-       destroy_implicit_component_args(&implicit_dummy_args);
-       destroy_implicit_component_args(&implicit_text_args);
-       destroy_implicit_component_args(&implicit_debug_info_args);
-       destroy_implicit_component_args(&implicit_muxer_args);
-       destroy_implicit_component_args(&implicit_trimmer_args);
-       bt_put(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        Turn on debug mode\n");
-       fprintf(fp, "  -h  --help         Show this help and quit\n");
-       fprintf(fp, "  -v, --verbose      Turn on verbose mode\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");
-}
-
-struct bt_config *bt_config_from_args(int argc, const char *argv[],
-               int *retcode, bool omit_system_plugin_path,
-               bool omit_home_plugin_path,
-               struct bt_value *initial_plugin_paths)
-{
-       struct bt_config *config = NULL;
-       bool verbose = false;
-       bool debug = false;
-       int i;
-       const char **command_argv = NULL;
-       int command_argc = -1;
-       const char *command_name = NULL;
-
-       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_get(initial_plugin_paths);
-       }
-
-       if (argc <= 1) {
-               print_gen_usage(stdout);
-               goto end;
-       }
-
-       for (i = 1; i < argc; i++) {
-               const char *cur_arg = argv[i];
-
-               if (strcmp(cur_arg, "-d") == 0 ||
-                               strcmp(cur_arg, "--debug") == 0) {
-                       debug = true;
-               } else if (strcmp(cur_arg, "-v") == 0 ||
-                               strcmp(cur_arg, "--verbose") == 0) {
-                       verbose = true;
-               } 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 {
-                       bool has_command = true;
-
-                       /*
-                        * First unknown argument: is it a known command
-                        * name?
-                        */
-                       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 whole
-                                * arguments are for the default convert
-                                * command.
-                                */
-                               command_type = COMMAND_TYPE_CONVERT;
-                               command_argv = argv;
-                               command_argc = argc;
-                               has_command = false;
-                       }
-
-                       if (has_command) {
-                               command_argv = &argv[i];
-                               command_argc = argc - i;
-                               command_name = cur_arg;
-                       }
-                       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;
-       }
-
-       assert(command_argv);
-       assert(command_argc >= 0);
-
-       switch (command_type) {
-       case COMMAND_TYPE_RUN:
-               config = bt_config_run_from_args(command_argc, command_argv,
-                       retcode, omit_system_plugin_path,
-                       omit_home_plugin_path, initial_plugin_paths);
-               break;
-       case COMMAND_TYPE_CONVERT:
-               config = bt_config_convert_from_args(command_argc, command_argv,
-                       retcode, omit_system_plugin_path,
-                       omit_home_plugin_path, initial_plugin_paths);
-               break;
-       case COMMAND_TYPE_LIST_PLUGINS:
-               config = bt_config_list_plugins_from_args(command_argc,
-                       command_argv, retcode, omit_system_plugin_path,
-                       omit_home_plugin_path, initial_plugin_paths);
-               break;
-       case COMMAND_TYPE_HELP:
-               config = bt_config_help_from_args(command_argc,
-                       command_argv, retcode, omit_system_plugin_path,
-                       omit_home_plugin_path, initial_plugin_paths);
-               break;
-       case COMMAND_TYPE_QUERY:
-               config = bt_config_query_from_args(command_argc,
-                       command_argv, retcode, omit_system_plugin_path,
-                       omit_home_plugin_path, initial_plugin_paths);
-               break;
-       default:
-               assert(false);
-       }
-
-       if (config) {
-               if (verbose) {
-                       config->verbose = true;
-               }
-
-               if (debug) {
-                       config->debug = true;
-               }
-
-               config->command_name = command_name;
-       }
-
-end:
-       bt_put(initial_plugin_paths);
-       return config;
-}
diff --git a/converter/babeltrace-cfg.h b/converter/babeltrace-cfg.h
deleted file mode 100644 (file)
index ca2f995..0000000
+++ /dev/null
@@ -1,122 +0,0 @@
-#ifndef BABELTRACE_CONVERTER_CFG_H
-#define BABELTRACE_CONVERTER_CFG_H
-
-/*
- * Babeltrace trace converter - configuration
- *
- * 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 <stdlib.h>
-#include <stdint.h>
-#include <babeltrace/values.h>
-#include <babeltrace/ref.h>
-#include <babeltrace/object-internal.h>
-#include <babeltrace/compiler.h>
-#include <babeltrace/graph/component-class.h>
-#include <glib.h>
-
-struct bt_config_component {
-       struct bt_object base;
-       enum bt_component_class_type type;
-       GString *plugin_name;
-       GString *comp_cls_name;
-       struct bt_value *params;
-       GString *instance_name;
-};
-
-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 {
-       struct bt_object base;
-       bool debug;
-       bool verbose;
-       struct bt_value *plugin_paths;
-       bool omit_system_plugin_path;
-       bool omit_home_plugin_path;
-       bool command_needs_plugins;
-       const char *command_name;
-       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;
-               } 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;
-               } print_ctf_metadata;
-
-               /* BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS */
-               struct {
-                       GString *url;
-               } print_lttng_live_sessions;
-       } cmd_data;
-};
-
-static inline
-struct bt_config_component *bt_config_get_component(GPtrArray *array,
-               size_t index)
-{
-       return bt_get(g_ptr_array_index(array, index));
-}
-
-struct bt_config *bt_config_from_args(int argc, const char *argv[],
-               int *retcode, bool omit_system_plugin_path,
-               bool omit_home_plugin_path,
-               struct bt_value *initial_plugin_paths);
-
-struct bt_config_component *bt_config_component_from_arg(
-               enum bt_component_class_type type, const char *arg);
-
-enum bt_value_status bt_config_append_plugin_paths(
-               struct bt_value *plugin_paths, const char *arg);
-
-#endif /* BABELTRACE_CONVERTER_CFG_H */
diff --git a/converter/babeltrace-log.c b/converter/babeltrace-log.c
deleted file mode 100644 (file)
index 38cf839..0000000
+++ /dev/null
@@ -1,474 +0,0 @@
-/*
- * babeltrace-log.c
- *
- * BabelTrace - Convert Text Log to CTF
- *
- * 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.
- */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <babeltrace/compat/dirent.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <inttypes.h>
-#include <glib.h>
-#include <glib/gstdio.h>
-
-#include <babeltrace/babeltrace-internal.h>
-#include <babeltrace/ctf/types.h>
-#include <babeltrace/compat/uuid.h>
-#include <babeltrace/compat/utc.h>
-#include <babeltrace/compat/stdio.h>
-#include <babeltrace/endian.h>
-
-#define NSEC_PER_USEC 1000UL
-#define NSEC_PER_MSEC 1000000UL
-#define NSEC_PER_SEC 1000000000ULL
-#define USEC_PER_SEC 1000000UL
-
-bool babeltrace_debug, babeltrace_verbose;
-
-static char *s_outputname;
-static int s_timestamp;
-static int s_help;
-static unsigned char s_uuid[BABELTRACE_UUID_LEN];
-
-/* Metadata format string */
-static const char metadata_fmt[] =
-"/* CTF 1.8 */\n"
-"typealias integer { size = 8; align = 8; signed = false; } := uint8_t;\n"
-"typealias integer { size = 32; align = 32; signed = false; } := uint32_t;\n"
-"typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
-"\n"
-"trace {\n"
-"      major = %u;\n"                  /* major (e.g. 0) */
-"      minor = %u;\n"                  /* minor (e.g. 1) */
-"      uuid = \"%s\";\n"               /* UUID */
-"      byte_order = %s;\n"             /* be or le */
-"      packet.header := struct {\n"
-"              uint32_t magic;\n"
-"              uint8_t  uuid[16];\n"
-"      };\n"
-"};\n"
-"\n"
-"stream {\n"
-"      packet.context := struct {\n"
-"              uint64_t content_size;\n"
-"              uint64_t packet_size;\n"
-"      };\n"
-"%s"                                   /* Stream event header (opt.) */
-"};\n"
-"\n"
-"event {\n"
-"      name = string;\n"
-"      fields := struct { string str; };\n"
-"};\n";
-
-static const char metadata_stream_event_header_timestamp[] =
-"      typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
-"      event.header := struct {\n"
-"              uint64_t timestamp;\n"
-"      };\n";
-
-static
-void print_metadata(FILE *fp)
-{
-       char uuid_str[BABELTRACE_UUID_STR_LEN];
-       unsigned int major = 0, minor = 0;
-       int ret;
-
-       ret = sscanf(VERSION, "%u.%u", &major, &minor);
-       if (ret != 2)
-               fprintf(stderr, "[warning] Incorrect babeltrace version format\n.");
-       bt_uuid_unparse(s_uuid, uuid_str);
-       fprintf(fp, metadata_fmt,
-               major,
-               minor,
-               uuid_str,
-               BYTE_ORDER == LITTLE_ENDIAN ? "le" : "be",
-               s_timestamp ? metadata_stream_event_header_timestamp : "");
-}
-
-static
-void write_packet_header(struct ctf_stream_pos *pos, unsigned char *uuid)
-{
-       struct ctf_stream_pos dummy;
-
-       /* magic */
-       ctf_dummy_pos(pos, &dummy);
-       if (!ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT))
-               goto error;
-       if (!ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT))
-               goto error;
-       assert(!ctf_pos_packet(&dummy));
-
-       if (!ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT))
-               goto error;
-       *(uint32_t *) ctf_get_pos_addr(pos) = 0xC1FC1FC1;
-       if (!ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT))
-               goto error;
-
-       /* uuid */
-       ctf_dummy_pos(pos, &dummy);
-       if (!ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT))
-               goto error;
-       if (!ctf_move_pos(&dummy, 16 * CHAR_BIT))
-               goto error;
-       assert(!ctf_pos_packet(&dummy));
-
-       if (!ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT))
-               goto error;
-       memcpy(ctf_get_pos_addr(pos), uuid, BABELTRACE_UUID_LEN);
-       if (!ctf_move_pos(pos, BABELTRACE_UUID_LEN * CHAR_BIT))
-               goto error;
-       return;
-
-error:
-       fprintf(stderr, "[error] Out of packet bounds when writing packet header\n");
-       abort();
-}
-
-static
-void write_packet_context(struct ctf_stream_pos *pos)
-{
-       struct ctf_stream_pos dummy;
-
-       /* content_size */
-       ctf_dummy_pos(pos, &dummy);
-       if (!ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
-               goto error;
-       if (!ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
-               goto error;
-       assert(!ctf_pos_packet(&dummy));
-
-       if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
-               goto error;
-       *(uint64_t *) ctf_get_pos_addr(pos) = ~0ULL;    /* Not known yet */
-       pos->content_size_loc = (uint64_t *) ctf_get_pos_addr(pos);
-       if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
-               goto error;
-
-       /* packet_size */
-       ctf_dummy_pos(pos, &dummy);
-       if (!ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
-               goto error;
-       if (!ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
-               goto error;
-       assert(!ctf_pos_packet(&dummy));
-
-       if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
-               goto error;
-       *(uint64_t *) ctf_get_pos_addr(pos) = pos->packet_size;
-       if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
-               goto error;
-       return;
-
-error:
-       fprintf(stderr, "[error] Out of packet bounds when writing packet context\n");
-       abort();
-}
-
-static
-void write_event_header(struct ctf_stream_pos *pos, char *line,
-                       char **tline, size_t len, size_t *tlen,
-                       uint64_t *ts)
-{
-       if (!s_timestamp)
-               return;
-
-       /* Only need to be executed on first pass (dummy) */
-       if (pos->dummy) {
-               int has_timestamp = 0;
-               unsigned long sec, usec, msec;
-               unsigned int year, mon, mday, hour, min;
-
-               /* Extract time from input line */
-               if (sscanf(line, "[%lu.%lu] ", &sec, &usec) == 2) {
-                       *ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec;
-                       /*
-                        * Default CTF clock has 1GHz frequency. Convert
-                        * from usec to nsec.
-                        */
-                       *ts *= NSEC_PER_USEC;
-                       has_timestamp = 1;
-               } else if (sscanf(line, "[%u-%u-%u %u:%u:%lu.%lu] ",
-                               &year, &mon, &mday, &hour, &min,
-                               &sec, &msec) == 7) {
-                       time_t ep_sec;
-                       struct tm ti;
-
-                       memset(&ti, 0, sizeof(ti));
-                       ti.tm_year = year - 1900;       /* from 1900 */
-                       ti.tm_mon = mon - 1;            /* 0 to 11 */
-                       ti.tm_mday = mday;
-                       ti.tm_hour = hour;
-                       ti.tm_min = min;
-                       ti.tm_sec = sec;
-
-                       ep_sec = bt_timegm(&ti);
-                       if (ep_sec != (time_t) -1) {
-                               *ts = (uint64_t) ep_sec * NSEC_PER_SEC
-                                       + (uint64_t) msec * NSEC_PER_MSEC;
-                       }
-                       has_timestamp = 1;
-               }
-               if (has_timestamp) {
-                       *tline = strchr(line, ']');
-                       assert(*tline);
-                       (*tline)++;
-                       if ((*tline)[0] == ' ') {
-                               (*tline)++;
-                       }
-                       *tlen = len + line - *tline;
-               }
-       }
-       /* timestamp */
-       if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
-               goto error;
-       if (!pos->dummy)
-               *(uint64_t *) ctf_get_pos_addr(pos) = *ts;
-       if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
-               goto error;
-       return;
-
-error:
-       fprintf(stderr, "[error] Out of packet bounds when writing event header\n");
-       abort();
-}
-
-static
-void trace_string(char *line, struct ctf_stream_pos *pos, size_t len)
-{
-       struct ctf_stream_pos dummy;
-       int attempt = 0;
-       char *tline = line;     /* tline is start of text, after timestamp */
-       size_t tlen = len;
-       uint64_t ts = 0;
-
-       printf_debug("read: %s\n", line);
-
-       for (;;) {
-               int packet_filled = 0;
-
-               ctf_dummy_pos(pos, &dummy);
-               write_event_header(&dummy, line, &tline, len, &tlen, &ts);
-               if (!ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT))
-                       packet_filled = 1;
-               if (!ctf_move_pos(&dummy, tlen * CHAR_BIT))
-                       packet_filled = 1;
-               if (packet_filled || ctf_pos_packet(&dummy)) {
-                       ctf_pos_pad_packet(pos);
-                       write_packet_header(pos, s_uuid);
-                       write_packet_context(pos);
-                       if (attempt++ == 1) {
-                               fprintf(stderr, "[Error] Line too large for packet size (%" PRIu64 "kB) (discarded)\n",
-                                       pos->packet_size / CHAR_BIT / 1024);
-                               return;
-                       }
-                       continue;
-               } else {
-                       break;
-               }
-       }
-
-       write_event_header(pos, line, &tline, len, &tlen, &ts);
-       if (!ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT))
-               goto error;
-       memcpy(ctf_get_pos_addr(pos), tline, tlen);
-       if (!ctf_move_pos(pos, tlen * CHAR_BIT))
-               goto error;
-       return;
-
-error:
-       fprintf(stderr, "[error] Out of packet bounds when writing event payload\n");
-       abort();
-}
-
-static
-void trace_text(FILE *input, int output)
-{
-       struct ctf_stream_pos pos;
-       ssize_t len;
-       char *line = NULL, *nl;
-       size_t linesize = 0;
-       int ret;
-
-       memset(&pos, 0, sizeof(pos));
-       ret = ctf_init_pos(&pos, NULL, output, O_RDWR);
-       if (ret) {
-               fprintf(stderr, "Error in ctf_init_pos\n");
-               return;
-       }
-       ctf_packet_seek(&pos.parent, 0, SEEK_CUR);
-       write_packet_header(&pos, s_uuid);
-       write_packet_context(&pos);
-       for (;;) {
-               len = bt_getline(&line, &linesize, input);
-               if (len < 0)
-                       break;
-               nl = strrchr(line, '\n');
-               if (nl) {
-                       *nl = '\0';
-                       trace_string(line, &pos, nl - line + 1);
-               } else {
-                       trace_string(line, &pos, strlen(line) + 1);
-               }
-       }
-       ret = ctf_fini_pos(&pos);
-       if (ret) {
-               fprintf(stderr, "Error in ctf_fini_pos\n");
-       }
-}
-
-static
-void usage(FILE *fp)
-{
-       fprintf(fp, "BabelTrace Log Converter %s\n", VERSION);
-       fprintf(fp, "\n");
-       fprintf(fp, "Convert for a text log (read from standard input) to CTF.\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "usage : babeltrace-log [OPTIONS] OUTPUT\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "  OUTPUT                         Output trace path\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "  -t                             With timestamps (format: [sec.usec] string\\n)\n");
-       fprintf(fp, "                                                 (format: [YYYY-MM-DD HH:MM:SS.MS] string\\n)\n");
-       fprintf(fp, "\n");
-}
-
-static
-int parse_args(int argc, char **argv)
-{
-       int i;
-
-       for (i = 1; i < argc; i++) {
-               if (!strcmp(argv[i], "-t"))
-                       s_timestamp = 1;
-               else if (!strcmp(argv[i], "-h")) {
-                       s_help = 1;
-                       return 0;
-               } else if (argv[i][0] == '-')
-                       return -EINVAL;
-               else
-                       s_outputname = argv[i];
-       }
-       if (!s_outputname)
-               return -EINVAL;
-       return 0;
-}
-
-int main(int argc, char **argv)
-{
-       int fd, metadata_fd, ret;
-       DIR *dir;
-       int dir_fd;
-       FILE *metadata_fp;
-
-       ret = parse_args(argc, argv);
-       if (ret) {
-               fprintf(stderr, "Error: invalid argument.\n");
-               usage(stderr);
-               goto error;
-       }
-
-       if (s_help) {
-               usage(stdout);
-               exit(EXIT_SUCCESS);
-       }
-
-       ret = g_mkdir(s_outputname, S_IRWXU|S_IRWXG);
-       if (ret) {
-               perror("g_mkdir");
-               goto error;
-       }
-
-       dir = opendir(s_outputname);
-       if (!dir) {
-               perror("opendir");
-               goto error_rmdir;
-       }
-       dir_fd = bt_dirfd(dir);
-       if (dir_fd < 0) {
-               perror("dirfd");
-               goto error_closedir;
-       }
-
-       fd = openat(dir_fd, "datastream", O_RDWR|O_CREAT,
-                   S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
-       if (fd < 0) {
-               perror("openat");
-               goto error_closedirfd;
-       }
-
-       metadata_fd = openat(dir_fd, "metadata", O_RDWR|O_CREAT,
-                            S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
-       if (metadata_fd < 0) {
-               perror("openat");
-               goto error_closedatastream;
-       }
-       metadata_fp = fdopen(metadata_fd, "w");
-       if (!metadata_fp) {
-               perror("fdopen");
-               goto error_closemetadatafd;
-       }
-
-       bt_uuid_generate(s_uuid);
-       print_metadata(metadata_fp);
-       trace_text(stdin, fd);
-
-       ret = close(fd);
-       if (ret)
-               perror("close");
-       exit(EXIT_SUCCESS);
-
-       /* error handling */
-error_closemetadatafd:
-       ret = close(metadata_fd);
-       if (ret)
-               perror("close");
-error_closedatastream:
-       ret = close(fd);
-       if (ret)
-               perror("close");
-error_closedirfd:
-       ret = close(dir_fd);
-       if (ret)
-               perror("close");
-error_closedir:
-       ret = closedir(dir);
-       if (ret)
-               perror("closedir");
-error_rmdir:
-       ret = rmdir(s_outputname);
-       if (ret)
-               perror("rmdir");
-error:
-       exit(EXIT_FAILURE);
-}
diff --git a/converter/babeltrace.c b/converter/babeltrace.c
deleted file mode 100644 (file)
index cb8492f..0000000
+++ /dev/null
@@ -1,1290 +0,0 @@
-/*
- * babeltrace.c
- *
- * Babeltrace Trace Converter
- *
- * 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.
- */
-
-#include <babeltrace/babeltrace.h>
-#include <babeltrace/plugin/plugin.h>
-#include <babeltrace/common-internal.h>
-#include <babeltrace/graph/component.h>
-#include <babeltrace/graph/component-source.h>
-#include <babeltrace/graph/component-sink.h>
-#include <babeltrace/graph/component-filter.h>
-#include <babeltrace/graph/component-class.h>
-#include <babeltrace/graph/port.h>
-#include <babeltrace/graph/graph.h>
-#include <babeltrace/graph/connection.h>
-#include <babeltrace/graph/notification-iterator.h>
-#include <babeltrace/ref.h>
-#include <babeltrace/values.h>
-#include <stdlib.h>
-#include <popt.h>
-#include <string.h>
-#include <stdio.h>
-#include <glib.h>
-#include <inttypes.h>
-#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-connect.h"
-#include "default-cfg.h"
-
-GPtrArray *loaded_plugins;
-
-static
-void init_loaded_plugins_array(void)
-{
-       loaded_plugins = g_ptr_array_new_full(8, bt_put);
-}
-
-static
-void fini_loaded_plugins_array(void)
-{
-       g_ptr_array_free(loaded_plugins, TRUE);
-}
-
-static
-struct bt_plugin *find_plugin(const char *name)
-{
-       int i;
-       struct bt_plugin *plugin = NULL;
-
-       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;
-       }
-
-       return bt_get(plugin);
-}
-
-static
-struct bt_component_class *find_component_class(const char *plugin_name,
-               const char *comp_class_name,
-               enum bt_component_class_type comp_class_type)
-{
-       struct bt_component_class *comp_class = NULL;
-       struct bt_plugin *plugin = find_plugin(plugin_name);
-
-       if (!plugin) {
-               goto end;
-       }
-
-       comp_class = bt_plugin_get_component_class_by_name_and_type(plugin,
-                       comp_class_name, comp_class_type);
-       BT_PUT(plugin);
-end:
-       return comp_class;
-}
-
-static
-void print_indent(size_t indent)
-{
-       size_t i;
-
-       for (i = 0; i < indent; i++) {
-               printf(" ");
-       }
-}
-
-static char *escape_name_for_shell(const char *input)
-{
-       char *output = g_malloc0(strlen(input) * 5 + 1);
-       const char *in;
-       char *out = output;
-
-       if (!output) {
-               goto end;
-       }
-
-       for (in = input; *in != '\0'; in++) {
-               switch (*in) {
-               case '\\':
-                       *out++ = '\\';
-                       *out++ = '\\';
-                       break;
-               case '\'':
-                       *out++ = '\'';
-                       *out++ = '"';
-                       *out++ = '\'';
-                       *out++ = '"';
-                       *out++ = '\'';
-                       break;
-               case '.':
-                       *out++ = '\\';
-                       *out++ = '.';
-                       break;
-               default:
-                       *out++ = *in;
-                       break;
-               }
-       }
-
-end:
-       return output;
-}
-
-static
-const char *component_type_str(enum 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";
-       case BT_COMPONENT_CLASS_TYPE_UNKNOWN:
-       default:
-               return "unknown";
-       }
-}
-
-static void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
-               const char *comp_cls_name, enum bt_component_class_type type)
-{
-       char *shell_plugin_name = NULL;
-       char *shell_comp_cls_name = NULL;
-
-       shell_plugin_name = escape_name_for_shell(plugin_name);
-       if (!shell_plugin_name) {
-               goto end;
-       }
-
-       shell_comp_cls_name = escape_name_for_shell(comp_cls_name);
-       if (!shell_comp_cls_name) {
-               goto end;
-       }
-
-       fprintf(fh, "%s%s--%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_reset(),
-               bt_common_color_fg_default(),
-               bt_common_color_bold(),
-               bt_common_color_fg_blue(),
-               shell_plugin_name,
-               bt_common_color_fg_default(),
-               bt_common_color_fg_yellow(),
-               shell_comp_cls_name,
-               bt_common_color_reset());
-
-end:
-       g_free(shell_plugin_name);
-       g_free(shell_comp_cls_name);
-}
-
-static
-void print_value(struct bt_value *, size_t);
-
-static
-void print_value_rec(struct bt_value *, size_t);
-
-static
-bool print_map_value(const char *key, struct bt_value *object, void *data)
-{
-       size_t *indent = data;
-
-       print_indent(*indent);
-       printf("%s: ", key);
-
-       if (bt_value_is_array(object) &&
-                       bt_value_array_is_empty(object)) {
-               printf("[ ]\n");
-               return true;
-       }
-
-       if (bt_value_is_map(object) &&
-                       bt_value_map_is_empty(object)) {
-               printf("{ }\n");
-               return true;
-       }
-
-       if (bt_value_is_array(object) ||
-                       bt_value_is_map(object)) {
-               printf("\n");
-       }
-
-       print_value_rec(object, *indent + 2);
-       return true;
-}
-
-static
-void print_value_rec(struct bt_value *value, size_t indent)
-{
-       bool bool_val;
-       int64_t int_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:
-               printf("%snull%s\n", bt_common_color_bold(),
-                       bt_common_color_reset());
-               break;
-       case BT_VALUE_TYPE_BOOL:
-               bt_value_bool_get(value, &bool_val);
-               printf("%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_INTEGER:
-               bt_value_integer_get(value, &int_val);
-               printf("%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_FLOAT:
-               bt_value_float_get(value, &dbl_val);
-               printf("%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:
-               bt_value_string_get(value, &str_val);
-               printf("%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_size(value);
-               assert(size >= 0);
-
-               if (size == 0) {
-                       print_indent(indent);
-                       printf("[ ]\n");
-                       break;
-               }
-
-               for (i = 0; i < size; i++) {
-                       struct bt_value *element =
-                                       bt_value_array_get(value, i);
-
-                       assert(element);
-                       print_indent(indent);
-                       printf("- ");
-
-                       if (bt_value_is_array(element) &&
-                                       bt_value_array_is_empty(element)) {
-                               printf("[ ]\n");
-                               continue;
-                       }
-
-                       if (bt_value_is_map(element) &&
-                                       bt_value_map_is_empty(element)) {
-                               printf("{ }\n");
-                               continue;
-                       }
-
-                       if (bt_value_is_array(element) ||
-                                       bt_value_is_map(element)) {
-                               printf("\n");
-                       }
-
-                       print_value_rec(element, indent + 2);
-                       BT_PUT(element);
-               }
-               break;
-       case BT_VALUE_TYPE_MAP:
-               if (bt_value_map_is_empty(value)) {
-                       print_indent(indent);
-                       printf("{ }\n");
-                       break;
-               }
-
-               bt_value_map_foreach(value, print_map_value, &indent);
-               break;
-       default:
-               assert(false);
-       }
-}
-
-static
-void print_value(struct bt_value *value, size_t indent)
-{
-       if (!bt_value_is_array(value) && !bt_value_is_map(value)) {
-               print_indent(indent);
-       }
-
-       print_value_rec(value, indent);
-}
-
-static
-void print_bt_config_component(struct bt_config_component *bt_config_component)
-{
-       printf("    ");
-       print_plugin_comp_cls_opt(stdout, bt_config_component->plugin_name->str,
-               bt_config_component->comp_cls_name->str,
-               bt_config_component->type);
-       printf(":\n");
-
-       if (bt_config_component->instance_name->len > 0) {
-               printf("      Name: %s\n",
-                       bt_config_component->instance_name->str);
-       }
-
-       printf("      Parameters:\n");
-       print_value(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_PUT(cfg_component);
-       }
-}
-
-static
-void print_plugin_paths(struct bt_value *plugin_paths)
-{
-       printf("  Plugin paths:\n");
-       print_value(plugin_paths, 4);
-}
-
-static
-void print_cfg_run(struct bt_config *cfg)
-{
-       size_t i;
-
-       print_plugin_paths(cfg->plugin_paths);
-       printf("  Source component instances:\n");
-       print_bt_config_components(cfg->cmd_data.run.sources);
-
-       if (cfg->cmd_data.run.filters->len > 0) {
-               printf("  Filter component instances:\n");
-               print_bt_config_components(cfg->cmd_data.run.filters);
-       }
-
-       printf("  Sink component instances:\n");
-       print_bt_config_components(cfg->cmd_data.run.sinks);
-       printf("  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);
-
-               printf("    %s%s%s -> %s%s%s\n",
-                       cfg_connection->src_instance_name->str,
-                       cfg_connection->src_port_name->len > 0 ? "." : "",
-                       cfg_connection->src_port_name->str,
-                       cfg_connection->dst_instance_name->str,
-                       cfg_connection->dst_port_name->len > 0 ? "." : "",
-                       cfg_connection->dst_port_name->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);
-       printf("  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);
-       printf("  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);
-       printf("  Object: `%s`\n", cfg->cmd_data.query.object->str);
-       printf("  Component class:\n");
-       print_bt_config_component(cfg->cmd_data.query.cfg_component);
-}
-
-static
-void print_cfg(struct bt_config *cfg)
-{
-       if (!babeltrace_verbose) {
-               return;
-       }
-
-       printf("Configuration:\n");
-       printf("  Debug mode: %s\n", cfg->debug ? "yes" : "no");
-       printf("  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:
-               assert(false);
-       }
-}
-
-static
-struct bt_component *create_trimmer(struct bt_config_component *source_cfg)
-{
-       struct bt_component *trimmer = NULL;
-       struct bt_component_class *trimmer_class = NULL;
-       struct bt_value *trimmer_params = NULL;
-       struct bt_value *value;
-
-       trimmer_params = bt_value_map_create();
-       if (!trimmer_params) {
-               goto end;
-       }
-
-       value = bt_value_map_get(source_cfg->params, "begin");
-       if (value) {
-               enum bt_value_status ret;
-
-               ret = bt_value_map_insert(trimmer_params, "begin",
-                               value);
-               BT_PUT(value);
-               if (ret) {
-                       goto end;
-               }
-       }
-       value = bt_value_map_get(source_cfg->params, "end");
-       if (value) {
-               enum bt_value_status ret;
-
-               ret = bt_value_map_insert(trimmer_params, "end",
-                               value);
-               BT_PUT(value);
-               if (ret) {
-                       goto end;
-               }
-       }
-       value = bt_value_map_get(source_cfg->params, "clock-gmt");
-       if (value) {
-               enum bt_value_status ret;
-
-               ret = bt_value_map_insert(trimmer_params, "clock-gmt",
-                               value);
-               BT_PUT(value);
-               if (ret) {
-                       goto end;
-               }
-       }
-
-       trimmer_class = find_component_class("utils", "trimmer",
-               BT_COMPONENT_CLASS_TYPE_FILTER);
-       if (!trimmer_class) {
-               fprintf(stderr, "Could not find trimmer component class. Aborting...\n");
-               goto end;
-       }
-       trimmer = bt_component_create(trimmer_class, "source_trimmer",
-                       trimmer_params);
-       if (!trimmer) {
-               goto end;
-       }
-end:
-       bt_put(trimmer_params);
-       bt_put(trimmer_class);
-       return trimmer;
-}
-
-static
-int connect_source_sink(struct bt_graph *graph,
-               struct bt_component *source,
-               struct bt_config_component *source_cfg,
-               struct bt_component *sink)
-{
-       int ret = 0;
-       struct bt_connection *connection = NULL;
-       struct bt_component *trimmer = NULL;
-       struct bt_port *source_port =
-                       bt_component_source_get_default_output_port(source);
-       struct bt_port *sink_port =
-                       bt_component_sink_get_default_input_port(sink);
-       struct bt_port *to_sink_port = NULL;
-       struct bt_port *trimmer_input_port = NULL;
-
-       if (!source_port) {
-               fprintf(stderr, "Failed to find default source output port. Aborting...\n");
-               ret = -1;
-               goto end;
-       }
-       if (!sink_port) {
-               fprintf(stderr, "Failed to find default sink input port. Aborting...\n");
-               ret = -1;
-               goto end;
-       }
-
-       if (bt_value_map_has_key(source_cfg->params, "begin")
-                       || bt_value_map_has_key(source_cfg->params, "end")) {
-               /* A trimmer must be inserted in the graph. */
-               trimmer = create_trimmer(source_cfg);
-               if (!trimmer) {
-                       fprintf(stderr, "Failed to create trimmer component. Aborting...\n");
-                       ret = -1;
-                       goto end;
-               }
-
-               trimmer_input_port = bt_component_filter_get_default_input_port(
-                               trimmer);
-               if (!trimmer_input_port) {
-                       fprintf(stderr, "Failed to find trimmer input port. Aborting...\n");
-                       ret = -1;
-                       goto end;
-               }
-               to_sink_port = bt_component_filter_get_default_output_port(
-                               trimmer);
-               if (!to_sink_port) {
-                       fprintf(stderr, "Failed to find trimmer output port. Aborting...\n");
-                       ret = -1;
-                       goto end;
-               }
-
-               connection = bt_graph_connect_ports(graph, source_port,
-                               trimmer_input_port);
-               if (!connection) {
-                       fprintf(stderr, "Failed to connect source to trimmer. Aborting...\n");
-                       ret = -1;
-                       goto end;
-               }
-               BT_PUT(connection);
-       } else {
-               BT_MOVE(to_sink_port, source_port);
-       }
-
-       connection = bt_graph_connect_ports(graph, to_sink_port, sink_port);
-       if (!connection) {
-               fprintf(stderr, "Failed to connect to sink. Aborting...\n");
-               ret = -1;
-               goto end;
-       }
-end:
-       bt_put(trimmer);
-       bt_put(source_port);
-       bt_put(sink_port);
-       bt_put(to_sink_port);
-       bt_put(connection);
-       return ret;
-}
-
-static
-void add_to_loaded_plugins(struct bt_plugin **plugins)
-{
-       while (*plugins) {
-               struct bt_plugin *plugin = *plugins;
-               /* Check if it's already loaded (from another path). */
-               struct bt_plugin *loaded_plugin =
-                               find_plugin(bt_plugin_get_name(plugin));
-
-               if (loaded_plugin) {
-                       printf_verbose("Not loading plugin `%s`: already loaded from `%s`\n",
-                                       bt_plugin_get_path(plugin),
-                                       bt_plugin_get_path(loaded_plugin));
-                       BT_PUT(loaded_plugin);
-                       BT_PUT(plugin);
-               } else {
-                       /* Transfer ownership to global array. */
-                       g_ptr_array_add(loaded_plugins, plugin);
-               }
-               *(plugins++) = NULL;
-       }
-}
-
-static
-int load_dynamic_plugins(struct bt_value *plugin_paths)
-{
-       int nr_paths, i, ret = 0;
-
-       nr_paths = bt_value_array_size(plugin_paths);
-       if (nr_paths < 0) {
-               ret = -1;
-               goto end;
-       }
-
-       for (i = 0; i < nr_paths; i++) {
-               struct bt_value *plugin_path_value = NULL;
-               const char *plugin_path;
-               struct bt_plugin **plugins;
-
-               plugin_path_value = bt_value_array_get(plugin_paths, i);
-               if (bt_value_string_get(plugin_path_value,
-                               &plugin_path)) {
-                       BT_PUT(plugin_path_value);
-                       continue;
-               }
-
-               plugins = bt_plugin_create_all_from_dir(plugin_path, false);
-               if (!plugins) {
-                       printf_debug("Unable to dynamically load plugins from path %s.\n",
-                               plugin_path);
-                       BT_PUT(plugin_path_value);
-                       continue;
-               }
-
-               add_to_loaded_plugins(plugins);
-               free(plugins);
-
-               BT_PUT(plugin_path_value);
-       }
-end:
-       return ret;
-}
-
-static
-int load_static_plugins(void)
-{
-       int ret = 0;
-       struct bt_plugin **plugins;
-
-       plugins = bt_plugin_create_all_from_static();
-       if (!plugins) {
-               printf_debug("Unable to load static plugins.\n");
-               ret = -1;
-               goto end;
-       }
-
-       add_to_loaded_plugins(plugins);
-       free(plugins);
-end:
-       return ret;
-}
-
-static int load_all_plugins(struct bt_value *plugin_paths)
-{
-       int ret = 0;
-
-       if (load_dynamic_plugins(plugin_paths)) {
-               fprintf(stderr, "Failed to load dynamic plugins.\n");
-               ret = -1;
-               goto end;
-       }
-
-       if (load_static_plugins()) {
-               fprintf(stderr, "Failed to load static plugins.\n");
-               ret = -1;
-               goto end;
-       }
-
-end:
-       return ret;
-}
-
-static void print_plugin_info(struct bt_plugin *plugin)
-{
-       unsigned int major, minor, patch;
-       const char *extra;
-       enum bt_plugin_status version_status;
-       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_status = 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());
-       printf("  %sPath%s: %s\n", bt_common_color_bold(),
-               bt_common_color_reset(), path ? path : "(None)");
-
-       if (version_status == BT_PLUGIN_STATUS_OK) {
-               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;
-       struct bt_component_class *comp_cls = NULL;
-       struct bt_value *results = NULL;
-
-       ret = load_all_plugins(cfg->plugin_paths);
-       if (ret) {
-               goto end;
-       }
-
-       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) {
-               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;
-       }
-
-       results = bt_component_class_query(comp_cls,
-               cfg->cmd_data.query.object->str,
-               cfg->cmd_data.query.cfg_component->params);
-       if (!results) {
-               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\n",
-                       bt_common_color_bold(),
-                       bt_common_color_fg_red(),
-                       cfg->cmd_data.query.object->str,
-                       bt_common_color_reset());
-               ret = -1;
-               goto end;
-       }
-
-       print_value(results, 0);
-
-end:
-       bt_put(comp_cls);
-       bt_put(results);
-       return ret;
-}
-
-static int cmd_help(struct bt_config *cfg)
-{
-       int ret;
-       struct bt_plugin *plugin = NULL;
-       size_t i;
-
-       ret = load_all_plugins(cfg->plugin_paths);
-       if (ret) {
-               goto end;
-       }
-
-       plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
-       if (!plugin) {
-               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("  %sComponent classes%s: %d\n",
-                       bt_common_color_bold(),
-                       bt_common_color_reset(),
-                       bt_plugin_get_component_class_count(plugin));
-
-
-       if (cfg->cmd_data.help.cfg_component->type !=
-                       BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
-               struct bt_component_class *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) {
-                       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;
-               }
-
-               bt_put(needed_comp_cls);
-       }
-
-       for (i = 0; i < bt_plugin_get_component_class_count(plugin); i++) {
-               struct bt_component_class *comp_cls =
-                       bt_plugin_get_component_class(plugin, i);
-               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);
-               enum bt_component_class_type type =
-                       bt_component_class_get_type(comp_cls);
-
-               assert(comp_cls);
-
-               if (cfg->cmd_data.help.cfg_component->type !=
-                               BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
-                       if (strcmp(cfg->cmd_data.help.cfg_component->comp_cls_name->str,
-                                       comp_class_name) != 0 &&
-                                       type ==
-                                       cfg->cmd_data.help.cfg_component->type) {
-                               bt_put(comp_cls);
-                               continue;
-                       }
-               }
-
-               printf("\n");
-               print_plugin_comp_cls_opt(stdout,
-                       cfg->cmd_data.help.cfg_component->plugin_name->str,
-                       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);
-               }
-
-               bt_put(comp_cls);
-       }
-
-end:
-       bt_put(plugin);
-       return ret;
-}
-
-static int cmd_list_plugins(struct bt_config *cfg)
-{
-       int ret;
-       int plugins_count, component_classes_count = 0, i;
-
-       ret = load_all_plugins(cfg->plugin_paths);
-       if (ret) {
-               goto end;
-       }
-
-       printf("From the following plugin paths:\n\n");
-       print_value(cfg->plugin_paths, 2);
-       printf("\n");
-       plugins_count = loaded_plugins->len;
-       if (plugins_count == 0) {
-               fprintf(stderr, "%s%sNo plugins found.%s\n",
-                       bt_common_color_bold(), bt_common_color_fg_red(),
-                       bt_common_color_reset());
-               fprintf(stderr, "\n");
-               fprintf(stderr, "Please make sure your plugin search path is set correctly. You can use\n");
-               fprintf(stderr, "the --plugin-path command-line option or the BABELTRACE_PLUGIN_PATH\n");
-               fprintf(stderr, "environment variable.\n");
-               ret = -1;
-               goto end;
-       }
-
-       for (i = 0; i < plugins_count; i++) {
-               struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
-
-               component_classes_count += bt_plugin_get_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++) {
-               int j;
-               struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
-
-               component_classes_count =
-                       bt_plugin_get_component_class_count(plugin);
-               printf("\n");
-               print_plugin_info(plugin);
-
-               if (component_classes_count == 0) {
-                       printf("  %sComponent classes%s: (None)\n",
-                               bt_common_color_bold(),
-                               bt_common_color_reset());
-               } else {
-                       printf("  %sComponent classes%s:\n",
-                               bt_common_color_bold(),
-                               bt_common_color_reset());
-               }
-
-               for (j = 0; j < component_classes_count; j++) {
-                       struct bt_component_class *comp_class =
-                               bt_plugin_get_component_class(plugin, j);
-                       const char *comp_class_name =
-                               bt_component_class_get_name(comp_class);
-                       const char *comp_class_description =
-                               bt_component_class_get_description(comp_class);
-                       enum 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");
-                       bt_put(comp_class);
-               }
-       }
-
-end:
-       return ret;
-}
-
-static int cmd_print_lttng_live_sessions(struct bt_config *cfg)
-{
-       printf("TODO\n");
-       return -1;
-}
-
-static int cmd_print_ctf_metadata(struct bt_config *cfg)
-{
-       int ret = 0;
-       struct bt_component_class *comp_cls = NULL;
-       struct bt_value *results = NULL;
-       struct bt_value *params = NULL;
-       struct 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 enum bt_component_class_type comp_cls_type =
-               BT_COMPONENT_CLASS_TYPE_SOURCE;
-
-       assert(cfg->cmd_data.print_ctf_metadata.path);
-       comp_cls = find_component_class(plugin_name, comp_cls_name,
-               comp_cls_type);
-       if (!comp_cls) {
-               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(params, "path",
-               cfg->cmd_data.print_ctf_metadata.path->str);
-       if (ret) {
-               ret = -1;
-               goto end;
-       }
-
-       results = bt_component_class_query(comp_cls, "metadata-info",
-               params);
-       if (!results) {
-               ret = -1;
-               fprintf(stderr, "%s%sFailed to request metadata info%s\n",
-                       bt_common_color_bold(),
-                       bt_common_color_fg_red(),
-                       bt_common_color_reset());
-               goto end;
-       }
-
-       metadata_text_value = bt_value_map_get(results, "text");
-       if (!metadata_text_value) {
-               ret = -1;
-               goto end;
-       }
-
-       ret = bt_value_string_get(metadata_text_value, &metadata_text);
-       assert(ret == 0);
-       printf("%s\n", metadata_text);
-
-end:
-       bt_put(results);
-       bt_put(params);
-       bt_put(metadata_text_value);
-       bt_put(comp_cls);
-       return 0;
-}
-
-static int cmd_run(struct bt_config *cfg)
-{
-       int ret = 0;
-       struct bt_component_class *source_class = NULL;
-       struct bt_component_class *sink_class = NULL;
-       struct bt_component *source = NULL, *sink = NULL;
-       struct bt_value *source_params = NULL, *sink_params = NULL;
-       struct bt_config_component *source_cfg = NULL, *sink_cfg = NULL;
-       struct bt_graph *graph = NULL;
-
-       ret = load_all_plugins(cfg->plugin_paths);
-       if (ret) {
-               goto end;
-       }
-
-       /* TODO handle more than 1 source and 1 sink. */
-       if (cfg->cmd_data.run.sources->len != 1 ||
-                       cfg->cmd_data.run.sinks->len != 1) {
-               fprintf(stderr, "Only one source and one sink component class are supported. Aborting...\n");
-               ret = -1;
-               goto end;
-       }
-
-       source_cfg = bt_config_get_component(cfg->cmd_data.run.sources, 0);
-       source_params = bt_get(source_cfg->params);
-       source_class = find_component_class(source_cfg->plugin_name->str,
-                       source_cfg->comp_cls_name->str,
-                       BT_COMPONENT_CLASS_TYPE_SOURCE);
-       if (!source_class) {
-               fprintf(stderr, "Could not find ");
-               print_plugin_comp_cls_opt(stderr, source_cfg->plugin_name->str,
-                       source_cfg->comp_cls_name->str, BT_COMPONENT_CLASS_TYPE_SOURCE);
-               fprintf(stderr, ". Aborting...\n");
-               ret = -1;
-               goto end;
-       }
-
-       sink_cfg = bt_config_get_component(cfg->cmd_data.run.sinks, 0);
-       sink_params = bt_get(sink_cfg->params);
-       sink_class = find_component_class(sink_cfg->plugin_name->str,
-                       sink_cfg->comp_cls_name->str,
-                       BT_COMPONENT_CLASS_TYPE_SINK);
-       if (!sink_class) {
-               fprintf(stderr, "Could not find ");
-               print_plugin_comp_cls_opt(stderr, sink_cfg->plugin_name->str,
-                       sink_cfg->comp_cls_name->str, BT_COMPONENT_CLASS_TYPE_SINK);
-               fprintf(stderr, ". Aborting...\n");
-               ret = -1;
-               goto end;
-       }
-
-       graph = bt_graph_create();
-       if (!graph) {
-               ret = -1;
-               goto end;
-       }
-
-       source = bt_component_create(source_class, "source", source_params);
-       if (!source) {
-               fprintf(stderr, "Failed to instantiate selected source component. Aborting...\n");
-                ret = -1;
-                goto end;
-        }
-
-       sink = bt_component_create(sink_class, "sink", sink_params);
-       if (!sink) {
-               fprintf(stderr, "Failed to instantiate selected output component. Aborting...\n");
-               ret = -1;
-               goto end;
-       }
-
-       ret = connect_source_sink(graph, source, source_cfg, sink);
-       if (ret) {
-               ret = -1;
-               goto end;
-       }
-
-       while (true) {
-               enum bt_graph_status graph_status;
-
-               graph_status = bt_graph_run(graph);
-               switch (graph_status) {
-               case BT_GRAPH_STATUS_AGAIN:
-                       /* Wait for an arbitraty 500 ms. */
-                       usleep(500000);
-                       break;
-               case BT_COMPONENT_STATUS_END:
-                       goto end;
-               default:
-                       fprintf(stderr, "Sink component returned an error, aborting...\n");
-                       ret = -1;
-                       goto end;
-               }
-       }
-
-end:
-       bt_put(sink_class);
-       bt_put(source_class);
-       bt_put(source);
-       bt_put(sink);
-       bt_put(source_params);
-       bt_put(sink_params);
-       bt_put(sink_cfg);
-       bt_put(source_cfg);
-       bt_put(graph);
-       return ret;
-}
-
-static void warn_command_name_and_directory_clash(struct bt_config *cfg)
-{
-       if (!cfg->command_name) {
-               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);
-       }
-}
-
-int main(int argc, const char **argv)
-{
-       int ret;
-       int retcode;
-       struct bt_config *cfg;
-
-       init_loaded_plugins_array();
-       cfg = bt_config_from_args_with_defaults(argc, argv, &retcode);
-
-       if (retcode < 0) {
-               /* Quit without errors; typically usage/version */
-               retcode = 0;
-               goto end;
-       }
-
-       if (retcode > 0) {
-               goto end;
-       }
-
-       if (!cfg) {
-               fprintf(stderr, "Failed to create Babeltrace configuration\n");
-               retcode = 1;
-               goto end;
-       }
-
-       babeltrace_debug = cfg->debug;
-       babeltrace_verbose = cfg->verbose;
-       print_cfg(cfg);
-
-       if (cfg->command_needs_plugins) {
-               ret = load_all_plugins(cfg->plugin_paths);
-               if (ret) {
-                       retcode = 1;
-                       goto end;
-               }
-       }
-
-       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:
-               assert(false);
-       }
-
-       warn_command_name_and_directory_clash(cfg);
-       retcode = ret ? 1 : 0;
-
-end:
-       BT_PUT(cfg);
-       fini_loaded_plugins_array();
-       return retcode;
-}
diff --git a/converter/default-cfg.c b/converter/default-cfg.c
deleted file mode 100644 (file)
index fb32543..0000000
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * default-cfg.c
- *
- * Babeltrace Trace Converter - Default Configuration
- *
- * Copyright 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Author: 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/values.h>
-#include "babeltrace-cfg.h"
-#include "default-cfg.h"
-#include "config.h"
-
-#ifdef BT_SET_DEFAULT_IN_TREE_CONFIGURATION
-
-struct bt_config *bt_config_from_args_with_defaults(int argc,
-               const char *argv[], int *retcode)
-{
-       struct 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_from_args(argc, argv, retcode, true, true,
-               initial_plugin_paths);
-       goto end;
-
-error:
-       *retcode = 1;
-       BT_PUT(cfg);
-
-end:
-       bt_put(initial_plugin_paths);
-       return cfg;
-}
-
-#else /* BT_SET_DEFAULT_IN_TREE_CONFIGURATION */
-
-struct bt_config *bt_config_from_args_with_defaults(int argc,
-               const char *argv[], int *retcode)
-{
-       return bt_config_from_args(argc, argv, retcode, false, false, NULL);
-}
-
-#endif /* BT_SET_DEFAULT_IN_TREE_CONFIGURATION */
diff --git a/converter/default-cfg.h b/converter/default-cfg.h
deleted file mode 100644 (file)
index d6b9188..0000000
+++ /dev/null
@@ -1,33 +0,0 @@
-#ifndef BABELTRACE_DEFAULT_CFG_H
-#define BABELTRACE_DEFAULT_CFG_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_from_args_with_defaults(int argc,
-               const char *argv[], int *retcode);
-
-#endif /* BABELTRACE_DEFAULT_CFG_H */
index 689fbc1e644ba3a1851aebdbb9c8dd2ee6e8698d..d70367f2ffadf381c679b42d47ac0908e6fb3c1d 100644 (file)
@@ -17,7 +17,7 @@
 
 TESTDIR=@abs_top_srcdir@/tests
 
-BABELTRACE_BIN=@abs_top_builddir@/converter/babeltrace
+BABELTRACE_BIN=@abs_top_builddir@/cli/babeltrace
 CTF_TRACES=@abs_top_srcdir@/tests/ctf-traces
 
 source $TESTDIR/utils/tap/tap.sh
index d134ea7ec4b564f432a773b372445462f0b690e0..e8df7a9991b7b60927afdd63a7724a617d510ae3 100755 (executable)
@@ -17,7 +17,7 @@
 
 curdir="$(dirname $0)"
 testdir="$curdir/.."
-babeltrace_bin="$curdir/../../converter/babeltrace"
+babeltrace_bin="$curdir/../../cli/babeltrace"
 
 source $testdir/utils/tap/tap.sh
 
index 0d91898bc2e4d65fad0decef9650e2177d54f74d..4bd32ea051eff505fa130b5bc9a77d12a2fc00b3 100644 (file)
@@ -18,7 +18,7 @@
 CURDIR=$(dirname $0)
 TESTDIR=$CURDIR/..
 
-BABELTRACE_BIN=$CURDIR/../../converter/babeltrace
+BABELTRACE_BIN=$CURDIR/../../cli/babeltrace
 
 source $TESTDIR/utils/tap/tap.sh
 
index e8e291cb4af84ada68fa4c2a3419129da0857fbe..640793b77808ae67864f8eb75469eea713db1a74 100644 (file)
@@ -18,7 +18,7 @@
 CURDIR=$(dirname $0)
 TESTDIR=$CURDIR/..
 
-BABELTRACE_BIN=$CURDIR/../../converter/babeltrace
+BABELTRACE_BIN=$CURDIR/../../cli/babeltrace
 CTF_TRACES=@abs_top_srcdir@/tests/ctf-traces
 
 source $TESTDIR/utils/tap/tap.sh
index 758e8ce9eaf1c1ebee6e2bf1a2730b2e8decdfef..1325eb3904be80f6902fb4fb58739dc56f59ddcd 100644 (file)
@@ -18,7 +18,7 @@
 CURDIR=$(dirname $0)
 TESTDIR=$CURDIR/..
 
-BABELTRACE_BIN=$CURDIR/../../converter/babeltrace
+BABELTRACE_BIN=$CURDIR/../../cli/babeltrace
 
 CTF_TRACES=@abs_top_srcdir@/tests/ctf-traces
 
index 219a2f9f138a862c227d7d75938b38ef0ec093c7..0911e09b1e1d38c5092f70da4ace9bafe934e65a 100755 (executable)
@@ -17,6 +17,6 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #
 
-BTBIN="@abs_top_builddir@/converter/babeltrace"
+BTBIN="@abs_top_builddir@/cli/babeltrace"
 
 "@abs_top_builddir@/tests/lib/test_ctf_writer" "$BTBIN"
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