plugins/ctf/common/metadata/parser.c
plugins/ctf/common/metadata/parser.h
plugins/ctf/common/metadata/parser.output
-/cli/babeltrace
-/cli/babeltrace.bin
-/cli/babeltrace-log
-/cli/babeltrace-log.bin
+/cli/babeltrace2
+/cli/babeltrace2.bin
+/cli/babeltrace2-log
+/cli/babeltrace2-log.bin
/include/config.h
/include/config.h.in
/include/version.i
AM_CPPFLAGS += '-DCONFIG_IN_TREE_PLUGIN_PATH="$(IN_TREE_PLUGIN_PATH)"'
-bin_PROGRAMS = babeltrace.bin babeltrace-log.bin
-noinst_PROGRAMS = babeltrace babeltrace-log
+bin_PROGRAMS = babeltrace2.bin babeltrace2-log.bin
+noinst_PROGRAMS = babeltrace2 babeltrace2-log
-babeltrace_bin_SOURCES = \
- babeltrace.c \
- babeltrace-cfg.c \
- babeltrace-cfg.h \
- babeltrace-cfg-cli-args.c \
- babeltrace-cfg-cli-args.h \
- babeltrace-cfg-cli-args-connect.c \
- babeltrace-cfg-cli-args-connect.h \
- babeltrace-cfg-cli-args-default.h \
- babeltrace-cfg-cli-args-default.c \
+babeltrace2_bin_SOURCES = \
+ babeltrace2.c \
+ babeltrace2-cfg.c \
+ babeltrace2-cfg.h \
+ babeltrace2-cfg-cli-args.c \
+ babeltrace2-cfg-cli-args.h \
+ babeltrace2-cfg-cli-args-connect.c \
+ babeltrace2-cfg-cli-args-connect.h \
+ babeltrace2-cfg-cli-args-default.h \
+ babeltrace2-cfg-cli-args-default.c \
logging.c logging.h
# -Wl,--no-as-needed is needed for recent gold linker who seems to think
# it knows better and considers libraries with constructors having
# side-effects as dead code.
-babeltrace_bin_LDFLAGS = $(LD_NO_AS_NEEDED)
+babeltrace2_bin_LDFLAGS = $(LD_NO_AS_NEEDED)
# Add all the convenience libraries used by Babeltrace plugins and the
# library. They will be used when embedding plugins (--enable-built-in-plugins),
# we're using --whole-archive below (needed to make sure the linker does
# not discard the plugins since the CLI does not use their symbols
# directly).
-babeltrace_bin_LDADD = \
+babeltrace2_bin_LDADD = \
$(top_builddir)/lib/libbabeltrace.la \
$(top_builddir)/compat/libcompat.la \
$(top_builddir)/common/libbabeltrace-common.la \
pluginarchive = $(LD_WHOLE_ARCHIVE)$(PLUGINS_PATH)/$(1)/.libs/babeltrace-plugin-$(1).a$(LD_NO_WHOLE_ARCHIVE)
# Built-in plugins
-babeltrace_bin_LDFLAGS += $(call pluginarchive,ctf)
-babeltrace_bin_LDFLAGS += $(call pluginarchive,text)
-babeltrace_bin_LDFLAGS += $(call pluginarchive,utils)
+babeltrace2_bin_LDFLAGS += $(call pluginarchive,ctf)
+babeltrace2_bin_LDFLAGS += $(call pluginarchive,text)
+babeltrace2_bin_LDFLAGS += $(call pluginarchive,utils)
if ENABLE_DEBUG_INFO
-babeltrace_bin_LDFLAGS += $(call pluginarchive,lttng-utils)
-babeltrace_bin_LDADD += $(ELFUTILS_LIBS)
+babeltrace2_bin_LDFLAGS += $(call pluginarchive,lttng-utils)
+babeltrace2_bin_LDADD += $(ELFUTILS_LIBS)
endif
endif
if BABELTRACE_BUILD_WITH_MINGW
-babeltrace_bin_LDADD += -lws2_32 -lrpcrt4 -lintl -liconv -lole32 -lpthread
+babeltrace2_bin_LDADD += -lws2_32 -lrpcrt4 -lintl -liconv -lole32 -lpthread
endif
# Only used for in-tree execution and tests
-babeltrace_SOURCES = $(babeltrace_bin_SOURCES)
-babeltrace_LDFLAGS = $(babeltrace_bin_LDFLAGS)
-babeltrace_LDADD = $(babeltrace_bin_LDADD)
-babeltrace_CFLAGS = $(AM_CFLAGS) -DBT_SET_DEFAULT_IN_TREE_CONFIGURATION
+babeltrace2_SOURCES = $(babeltrace2_bin_SOURCES)
+babeltrace2_LDFLAGS = $(babeltrace2_bin_LDFLAGS)
+babeltrace2_LDADD = $(babeltrace2_bin_LDADD)
+babeltrace2_CFLAGS = $(AM_CFLAGS) -DBT_SET_DEFAULT_IN_TREE_CONFIGURATION
-# babeltrace-log rules and config below
-babeltrace_log_bin_SOURCES = babeltrace-log.c
-babeltrace_log_bin_LDADD = \
+# babeltrace2-log rules and config below
+babeltrace2_log_bin_SOURCES = babeltrace2-log.c
+babeltrace2_log_bin_LDADD = \
$(top_builddir)/compat/libcompat.la \
$(top_builddir)/common/libbabeltrace-common.la \
$(top_builddir)/logging/libbabeltrace-logging.la \
$(POPT_LIBS)
-babeltrace_log_bin_CFLAGS = $(AM_CFLAGS) '-DBT_CLI_PATH="$(abs_top_builddir)/cli/babeltrace$(EXEEXT)"'
+babeltrace2_log_bin_CFLAGS = $(AM_CFLAGS) '-DBT_CLI_PATH="$(abs_top_builddir)/cli/babeltrace2$(EXEEXT)"'
# Only used for in-tree execution and tests
-babeltrace_log_SOURCES = $(babeltrace_log_bin_SOURCES)
-babeltrace_log_LDADD = $(babeltrace_log_bin_LDADD)
-babeltrace_log_CFLAGS = $(AM_CFLAGS) '-DBT_CLI_PATH="$(bindir)/babeltrace$(EXEEXT)"'
+babeltrace2_log_SOURCES = $(babeltrace2_log_bin_SOURCES)
+babeltrace2_log_LDADD = $(babeltrace2_log_bin_LDADD)
+babeltrace2_log_CFLAGS = $(AM_CFLAGS) '-DBT_CLI_PATH="$(bindir)/babeltrace2$(EXEEXT)"'
+++ /dev/null
-/*
- * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <stdlib.h>
-#include <babeltrace/babeltrace.h>
-#include <babeltrace/common-internal.h>
-#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-cli-args-connect.h"
-
-static bool all_named_and_printable_in_array(GPtrArray *comps)
-{
- size_t i;
- bool all_named_and_printable = true;
-
- for (i = 0; i < comps->len; i++) {
- struct bt_config_component *comp = g_ptr_array_index(comps, i);
-
- if (comp->instance_name->len == 0) {
- all_named_and_printable = false;
- goto end;
- }
-
- if (!bt_common_string_is_printable(comp->instance_name->str)) {
- all_named_and_printable = false;
- goto end;
- }
- }
-
-end:
- return all_named_and_printable;
-}
-
-static bool all_named_and_printable(struct bt_config *cfg)
-{
- return all_named_and_printable_in_array(cfg->cmd_data.run.sources) &&
- all_named_and_printable_in_array(cfg->cmd_data.run.filters) &&
- all_named_and_printable_in_array(cfg->cmd_data.run.sinks);
-}
-
-static struct bt_config_connection *bt_config_connection_create(const char *arg)
-{
- struct bt_config_connection *cfg_connection;
-
- cfg_connection = g_new0(struct bt_config_connection, 1);
- if (!cfg_connection) {
- goto error;
- }
-
- cfg_connection->upstream_comp_name = g_string_new(NULL);
- if (!cfg_connection->upstream_comp_name) {
- goto error;
- }
-
- cfg_connection->downstream_comp_name = g_string_new(NULL);
- if (!cfg_connection->downstream_comp_name) {
- goto error;
- }
-
- cfg_connection->upstream_port_glob = g_string_new("*");
- if (!cfg_connection->upstream_port_glob) {
- goto error;
- }
-
- cfg_connection->downstream_port_glob = g_string_new("*");
- if (!cfg_connection->downstream_port_glob) {
- goto error;
- }
-
- cfg_connection->arg = g_string_new(arg);
- if (!cfg_connection->arg) {
- goto error;
- }
-
- goto end;
-
-error:
- g_free(cfg_connection);
- cfg_connection = NULL;
-
-end:
- return cfg_connection;
-}
-
-static bool validate_port_glob(const char *port_glob)
-{
- bool is_valid = true;
- const char *ch = port_glob;
-
- BT_ASSERT(port_glob);
-
- while (*ch != '\0') {
- switch (*ch) {
- case '\\':
- switch (ch[1]) {
- case '\0':
- goto end;
- default:
- ch += 2;
- continue;
- }
- case '?':
- case '[':
- /*
- * This is reserved for future use, to support
- * full globbing patterns. Those characters must
- * be escaped with `\`.
- */
- is_valid = false;
- goto end;
- default:
- ch++;
- break;
- }
- }
-
-end:
- return is_valid;
-}
-
-static int normalize_glob_pattern(GString *glob_pattern_gs)
-{
- int ret = 0;
- char *glob_pattern = strdup(glob_pattern_gs->str);
-
- if (!glob_pattern) {
- ret = -1;
- goto end;
- }
-
- bt_common_normalize_star_glob_pattern(glob_pattern);
- g_string_assign(glob_pattern_gs, glob_pattern);
- free(glob_pattern);
-
-end:
- return ret;
-}
-
-static struct bt_config_connection *cfg_connection_from_arg(const char *arg)
-{
- const char *at = arg;
- size_t end_pos;
- struct bt_config_connection *cfg_conn = NULL;
- GString *gs = NULL;
- enum {
- UPSTREAM_NAME,
- DOWNSTREAM_NAME,
- UPSTREAM_PORT_GLOB,
- DOWNSTREAM_PORT_GLOB,
- } state = UPSTREAM_NAME;
-
- if (!bt_common_string_is_printable(arg)) {
- goto error;
- }
-
- cfg_conn = bt_config_connection_create(arg);
- if (!cfg_conn) {
- goto error;
- }
-
- while (true) {
- switch (state) {
- case UPSTREAM_NAME:
- gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
- if (!gs || gs->len == 0) {
- goto error;
- }
-
- g_string_free(cfg_conn->upstream_comp_name, TRUE);
- cfg_conn->upstream_comp_name = gs;
- gs = NULL;
-
- if (at[end_pos] == ':') {
- state = DOWNSTREAM_NAME;
- } else if (at[end_pos] == '.') {
- state = UPSTREAM_PORT_GLOB;
- } else {
- goto error;
- }
-
- at += end_pos + 1;
- break;
- case DOWNSTREAM_NAME:
- gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
- if (!gs || gs->len == 0) {
- goto error;
- }
-
- g_string_free(cfg_conn->downstream_comp_name, TRUE);
- cfg_conn->downstream_comp_name = gs;
- gs = NULL;
-
- if (at[end_pos] == '.') {
- state = DOWNSTREAM_PORT_GLOB;
- } else if (at[end_pos] == '\0') {
- goto end;
- } else {
- goto error;
- }
-
- at += end_pos + 1;
- break;
- case UPSTREAM_PORT_GLOB:
- gs = bt_common_string_until(at, ".:", ".:", &end_pos);
- if (!gs || gs->len == 0) {
- goto error;
- }
-
- if (!validate_port_glob(gs->str)) {
- goto error;
- }
-
- if (normalize_glob_pattern(gs)) {
- goto error;
- }
-
- g_string_free(cfg_conn->upstream_port_glob, TRUE);
- cfg_conn->upstream_port_glob = gs;
- gs = NULL;
-
- if (at[end_pos] == ':') {
- state = DOWNSTREAM_NAME;
- } else {
- goto error;
- }
-
- at += end_pos + 1;
- break;
- case DOWNSTREAM_PORT_GLOB:
- gs = bt_common_string_until(at, ".:", ".:", &end_pos);
- if (!gs || gs->len == 0) {
- goto error;
- }
-
- if (!validate_port_glob(gs->str)) {
- goto error;
- }
-
- if (normalize_glob_pattern(gs)) {
- goto error;
- }
-
- g_string_free(cfg_conn->downstream_port_glob, TRUE);
- cfg_conn->downstream_port_glob = gs;
- gs = NULL;
-
- if (at[end_pos] == '\0') {
- goto end;
- } else {
- goto error;
- }
- break;
- default:
- abort();
- }
- }
-
-error:
- bt_config_connection_destroy(cfg_conn);
- cfg_conn = NULL;
-
-end:
- if (gs) {
- g_string_free(gs, TRUE);
- }
-
- return cfg_conn;
-}
-
-static struct bt_config_component *find_component_in_array(GPtrArray *comps,
- const char *name)
-{
- size_t i;
- struct bt_config_component *found_comp = NULL;
-
- for (i = 0; i < comps->len; i++) {
- struct bt_config_component *comp = g_ptr_array_index(comps, i);
-
- if (strcmp(name, comp->instance_name->str) == 0) {
- found_comp = comp;
- bt_object_get_ref(found_comp);
- goto end;
- }
- }
-
-end:
- return found_comp;
-}
-
-static struct bt_config_component *find_component(struct bt_config *cfg,
- const char *name)
-{
- struct bt_config_component *comp;
-
- comp = find_component_in_array(cfg->cmd_data.run.sources, name);
- if (comp) {
- goto end;
- }
-
- comp = find_component_in_array(cfg->cmd_data.run.filters, name);
- if (comp) {
- goto end;
- }
-
- comp = find_component_in_array(cfg->cmd_data.run.sinks, name);
- if (comp) {
- goto end;
- }
-
-end:
- return comp;
-}
-
-static int validate_all_endpoints_exist(struct bt_config *cfg, char *error_buf,
- size_t error_buf_size)
-{
- size_t i;
- int ret = 0;
-
- for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
- struct bt_config_connection *connection =
- g_ptr_array_index(cfg->cmd_data.run.connections, i);
- struct bt_config_component *comp;
-
- comp = find_component(cfg, connection->upstream_comp_name->str);
- bt_object_put_ref(comp);
- if (!comp) {
- snprintf(error_buf, error_buf_size,
- "Invalid connection: cannot find upstream component `%s`:\n %s\n",
- connection->upstream_comp_name->str,
- connection->arg->str);
- ret = -1;
- goto end;
- }
-
- comp = find_component(cfg, connection->downstream_comp_name->str);
- bt_object_put_ref(comp);
- if (!comp) {
- snprintf(error_buf, error_buf_size,
- "Invalid connection: cannot find downstream component `%s`:\n %s\n",
- connection->downstream_comp_name->str,
- connection->arg->str);
- ret = -1;
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-static int validate_connection_directions(struct bt_config *cfg,
- char *error_buf, size_t error_buf_size)
-{
- size_t i;
- int ret = 0;
- struct bt_config_component *src_comp = NULL;
- struct bt_config_component *dst_comp = NULL;
-
- for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
- struct bt_config_connection *connection =
- g_ptr_array_index(cfg->cmd_data.run.connections, i);
-
- src_comp = find_component(cfg,
- connection->upstream_comp_name->str);
- BT_ASSERT(src_comp);
- dst_comp = find_component(cfg,
- connection->downstream_comp_name->str);
- BT_ASSERT(dst_comp);
-
- if (src_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) {
- if (dst_comp->type != BT_COMPONENT_CLASS_TYPE_FILTER &&
- dst_comp->type != BT_COMPONENT_CLASS_TYPE_SINK) {
- snprintf(error_buf, error_buf_size,
- "Invalid connection: source component `%s` not connected to filter or sink component:\n %s\n",
- connection->upstream_comp_name->str,
- connection->arg->str);
- ret = -1;
- goto end;
- }
- } else if (src_comp->type == BT_COMPONENT_CLASS_TYPE_FILTER) {
- if (dst_comp->type != BT_COMPONENT_CLASS_TYPE_FILTER &&
- dst_comp->type != BT_COMPONENT_CLASS_TYPE_SINK) {
- snprintf(error_buf, error_buf_size,
- "Invalid connection: filter component `%s` not connected to filter or sink component:\n %s\n",
- connection->upstream_comp_name->str,
- connection->arg->str);
- ret = -1;
- goto end;
- }
- } else {
- snprintf(error_buf, error_buf_size,
- "Invalid connection: cannot connect sink component `%s` to component `%s`:\n %s\n",
- connection->upstream_comp_name->str,
- connection->downstream_comp_name->str,
- connection->arg->str);
- ret = -1;
- goto end;
- }
-
- BT_OBJECT_PUT_REF_AND_RESET(src_comp);
- BT_OBJECT_PUT_REF_AND_RESET(dst_comp);
- }
-
-end:
- bt_object_put_ref(src_comp);
- bt_object_put_ref(dst_comp);
- return ret;
-}
-
-static int validate_no_cycles_rec(struct bt_config *cfg, GPtrArray *path,
- char *error_buf, size_t error_buf_size)
-{
- int ret = 0;
- size_t conn_i;
- const char *src_comp_name;
-
- BT_ASSERT(path && path->len > 0);
- src_comp_name = g_ptr_array_index(path, path->len - 1);
-
- for (conn_i = 0; conn_i < cfg->cmd_data.run.connections->len; conn_i++) {
- struct bt_config_connection *conn =
- g_ptr_array_index(cfg->cmd_data.run.connections, conn_i);
-
- if (strcmp(conn->upstream_comp_name->str, src_comp_name) == 0) {
- size_t path_i;
-
- for (path_i = 0; path_i < path->len; path_i++) {
- const char *comp_name =
- g_ptr_array_index(path, path_i);
-
- if (strcmp(comp_name, conn->downstream_comp_name->str) == 0) {
- snprintf(error_buf, error_buf_size,
- "Invalid connection: connection forms a cycle:\n %s\n",
- conn->arg->str);
- ret = -1;
- goto end;
- }
- }
-
- g_ptr_array_add(path, conn->downstream_comp_name->str);
- ret = validate_no_cycles_rec(cfg, path, error_buf,
- error_buf_size);
- if (ret) {
- goto end;
- }
-
- g_ptr_array_remove_index(path, path->len - 1);
- }
- }
-
-end:
- return ret;
-}
-
-static int validate_no_cycles(struct bt_config *cfg, char *error_buf,
- size_t error_buf_size)
-{
- size_t i;
- int ret = 0;
- GPtrArray *path;
-
- path = g_ptr_array_new();
- if (!path) {
- ret = -1;
- goto end;
- }
-
- g_ptr_array_add(path, NULL);
-
- for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
- struct bt_config_connection *conn =
- g_ptr_array_index(cfg->cmd_data.run.connections, i);
-
- g_ptr_array_index(path, 0) = conn->upstream_comp_name->str;
- ret = validate_no_cycles_rec(cfg, path,
- error_buf, error_buf_size);
- if (ret) {
- goto end;
- }
- }
-
-end:
- if (path) {
- g_ptr_array_free(path, TRUE);
- }
-
- return ret;
-}
-
-static int validate_all_components_connected_in_array(GPtrArray *comps,
- const bt_value *connected_components,
- char *error_buf, size_t error_buf_size)
-{
- int ret = 0;
- size_t i;
-
- for (i = 0; i < comps->len; i++) {
- struct bt_config_component *comp = g_ptr_array_index(comps, i);
-
- if (!bt_value_map_has_entry(connected_components,
- comp->instance_name->str)) {
- snprintf(error_buf, error_buf_size,
- "Component `%s` is not connected\n",
- comp->instance_name->str);
- ret = -1;
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-static int validate_all_components_connected(struct bt_config *cfg,
- char *error_buf, size_t error_buf_size)
-{
- size_t i;
- int ret = 0;
- bt_value *connected_components = bt_value_map_create();
-
- if (!connected_components) {
- ret = -1;
- goto end;
- }
-
- for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
- struct bt_config_connection *connection =
- g_ptr_array_index(cfg->cmd_data.run.connections, i);
-
- ret = bt_value_map_insert_entry(connected_components,
- connection->upstream_comp_name->str, bt_value_null);
- if (ret) {
- goto end;
- }
-
- ret = bt_value_map_insert_entry(connected_components,
- connection->downstream_comp_name->str, bt_value_null);
- if (ret) {
- goto end;
- }
- }
-
- ret = validate_all_components_connected_in_array(
- cfg->cmd_data.run.sources,
- connected_components,
- error_buf, error_buf_size);
- if (ret) {
- goto end;
- }
-
- ret = validate_all_components_connected_in_array(
- cfg->cmd_data.run.filters,
- connected_components,
- error_buf, error_buf_size);
- if (ret) {
- goto end;
- }
-
- ret = validate_all_components_connected_in_array(
- cfg->cmd_data.run.sinks,
- connected_components,
- error_buf, error_buf_size);
- if (ret) {
- goto end;
- }
-
-end:
- bt_value_put_ref(connected_components);
- return ret;
-}
-
-static int validate_no_duplicate_connection(struct bt_config *cfg,
- char *error_buf, size_t error_buf_size)
-{
- size_t i;
- int ret = 0;
- bt_value *flat_connection_names =
- bt_value_map_create();
- GString *flat_connection_name = NULL;
-
- if (!flat_connection_names) {
- ret = -1;
- goto end;
- }
-
- flat_connection_name = g_string_new(NULL);
- if (!flat_connection_name) {
- ret = -1;
- goto end;
- }
-
- for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
- struct bt_config_connection *connection =
- g_ptr_array_index(cfg->cmd_data.run.connections, i);
-
- g_string_printf(flat_connection_name, "%s\x01%s\x01%s\x01%s",
- connection->upstream_comp_name->str,
- connection->upstream_port_glob->str,
- connection->downstream_comp_name->str,
- connection->downstream_port_glob->str);
-
- if (bt_value_map_has_entry(flat_connection_names,
- flat_connection_name->str)) {
- snprintf(error_buf, error_buf_size,
- "Duplicate connection:\n %s\n",
- connection->arg->str);
- ret = -1;
- goto end;
- }
-
- ret = bt_value_map_insert_entry(flat_connection_names,
- flat_connection_name->str, bt_value_null);
- if (ret) {
- goto end;
- }
- }
-
-end:
- bt_value_put_ref(flat_connection_names);
-
- if (flat_connection_name) {
- g_string_free(flat_connection_name, TRUE);
- }
-
- return ret;
-}
-
-static int validate_connections(struct bt_config *cfg, char *error_buf,
- size_t error_buf_size)
-{
- int ret;
-
- ret = validate_all_endpoints_exist(cfg, error_buf, error_buf_size);
- if (ret) {
- goto end;
- }
-
- ret = validate_connection_directions(cfg, error_buf, error_buf_size);
- if (ret) {
- goto end;
- }
-
- ret = validate_all_components_connected(cfg, error_buf, error_buf_size);
- if (ret) {
- goto end;
- }
-
- ret = validate_no_duplicate_connection(cfg, error_buf, error_buf_size);
- if (ret) {
- goto end;
- }
-
- ret = validate_no_cycles(cfg, error_buf, error_buf_size);
- if (ret) {
- goto end;
- }
-
-end:
- return ret;
-}
-
-int bt_config_cli_args_create_connections(struct bt_config *cfg,
- const bt_value *connection_args,
- char *error_buf, size_t error_buf_size)
-{
- int ret;
- size_t i;
-
- if (!all_named_and_printable(cfg)) {
- snprintf(error_buf, error_buf_size,
- "One or more components are unnamed (use --name) or contain a non-printable character\n");
- goto error;
- }
-
- for (i = 0; i < bt_value_array_get_size(connection_args); i++) {
- const bt_value *arg_value =
- bt_value_array_borrow_element_by_index_const(
- connection_args, i);
- const char *arg;
- struct bt_config_connection *cfg_connection;
-
- arg = bt_value_string_get(arg_value);
- cfg_connection = cfg_connection_from_arg(arg);
- if (!cfg_connection) {
- snprintf(error_buf, error_buf_size, "Cannot parse --connect option's argument:\n %s\n",
- arg);
- goto error;
- }
-
- g_ptr_array_add(cfg->cmd_data.run.connections,
- cfg_connection);
- }
-
-
- ret = validate_connections(cfg, error_buf, error_buf_size);
- if (ret) {
- goto error;
- }
-
- goto end;
-
-error:
- ret = -1;
-
-end:
- return ret;
-}
+++ /dev/null
-#ifndef CLI_BABELTRACE_CFG_CLI_ARGS_CONNECT_H
-#define CLI_BABELTRACE_CFG_CLI_ARGS_CONNECT_H
-
-/*
- * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <babeltrace/value.h>
-#include <glib.h>
-#include "babeltrace-cfg.h"
-
-int bt_config_cli_args_create_connections(struct bt_config *cfg,
- const bt_value *connection_args,
- char *error_buf, size_t error_buf_size);
-
-#endif /* CLI_BABELTRACE_CFG_CLI_ARGS_CONNECT_H */
+++ /dev/null
-/*
- * Copyright 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- * Copyright 2017 - Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <babeltrace/babeltrace.h>
-#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-cli-args.h"
-#include "babeltrace-cfg-cli-args-default.h"
-
-#ifdef ENABLE_DEBUG_INFO
-# define BT_ENABLE_DEBUG_INFO 1
-#else
-# define BT_ENABLE_DEBUG_INFO 0
-#endif
-
-#ifdef BT_SET_DEFAULT_IN_TREE_CONFIGURATION
-
-struct bt_config *bt_config_cli_args_create_with_default(int argc,
- const char *argv[], int *retcode)
-{
- bt_value *initial_plugin_paths;
- struct bt_config *cfg = NULL;
- int ret;
-
- initial_plugin_paths = bt_value_array_create();
- if (!initial_plugin_paths) {
- goto error;
- }
-
- ret = bt_config_append_plugin_paths(initial_plugin_paths,
- CONFIG_IN_TREE_PLUGIN_PATH);
- if (ret) {
- goto error;
- }
-
- cfg = bt_config_cli_args_create(argc, argv, retcode, true, true,
- initial_plugin_paths);
- goto end;
-
-error:
- *retcode = 1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- bt_value_put_ref(initial_plugin_paths);
- return cfg;
-}
-
-#else /* BT_SET_DEFAULT_IN_TREE_CONFIGURATION */
-
-struct bt_config *bt_config_cli_args_create_with_default(int argc,
- const char *argv[], int *retcode)
-{
- return bt_config_cli_args_create(argc, argv, retcode, false, false,
- NULL);
-}
-
-#endif /* BT_SET_DEFAULT_IN_TREE_CONFIGURATION */
+++ /dev/null
-#ifndef CLI_BABELTRACE_CFG_CLI_ARGS_DEFAULT_H
-#define CLI_BABELTRACE_CFG_CLI_ARGS_DEFAULT_H
-
-/*
- * Babeltrace Trace Converter - Default Configuration
- *
- * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include "babeltrace-cfg.h"
-
-struct bt_config *bt_config_cli_args_create_with_default(int argc,
- const char *argv[], int *retcode);
-
-#endif /* CLI_BABELTRACE_CFG_CLI_ARGS_DEFAULT_H */
+++ /dev/null
-/*
- * Babeltrace trace converter - parameter parsing
- *
- * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#define BT_LOG_TAG "CLI-CFG-CLI-ARGS"
-#include "logging.h"
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <babeltrace/assert-internal.h>
-#include <stdio.h>
-#include <stdbool.h>
-#include <inttypes.h>
-#include <babeltrace/babeltrace.h>
-#include <babeltrace/common-internal.h>
-#include <popt.h>
-#include <glib.h>
-#include <sys/types.h>
-#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-cli-args.h"
-#include "babeltrace-cfg-cli-args-connect.h"
-#include "version.h"
-
-/*
- * Error printf() macro which prepends "Error: " the first time it's
- * called. This gives a nicer feel than having a bunch of error prefixes
- * (since the following lines usually describe the error and possible
- * solutions), or the error prefix just at the end.
- */
-#define printf_err(fmt, args...) \
- do { \
- if (is_first_error) { \
- fprintf(stderr, "Command line error: "); \
- is_first_error = false; \
- } \
- fprintf(stderr, fmt, ##args); \
- } while (0)
-
-static bool is_first_error = true;
-
-/* INI-style parsing FSM states */
-enum ini_parsing_fsm_state {
- /* Expect a map key (identifier) */
- INI_EXPECT_MAP_KEY,
-
- /* Expect an equal character ('=') */
- INI_EXPECT_EQUAL,
-
- /* Expect a value */
- INI_EXPECT_VALUE,
-
- /* Expect a comma character (',') */
- INI_EXPECT_COMMA,
-};
-
-/* INI-style parsing state variables */
-struct ini_parsing_state {
- /* Lexical scanner (owned by this) */
- GScanner *scanner;
-
- /* Output map value object being filled (owned by this) */
- bt_value *params;
-
- /* Next expected FSM state */
- enum ini_parsing_fsm_state expecting;
-
- /* Last decoded map key (owned by this) */
- char *last_map_key;
-
- /* Complete INI-style string to parse (not owned by this) */
- const char *arg;
-
- /* Error buffer (not owned by this) */
- GString *ini_error;
-};
-
-/* Offset option with "is set" boolean */
-struct offset_opt {
- int64_t value;
- bool is_set;
-};
-
-/* Legacy "ctf"/"lttng-live" format options */
-struct ctf_legacy_opts {
- struct offset_opt offset_s;
- struct offset_opt offset_ns;
- bool stream_intersection;
-};
-
-/* Legacy "text" format options */
-struct text_legacy_opts {
- /*
- * output, dbg_info_dir, dbg_info_target_prefix, names,
- * and fields are owned by this.
- */
- GString *output;
- GString *dbg_info_dir;
- GString *dbg_info_target_prefix;
- const bt_value *names;
- const bt_value *fields;
-
- /* Flags */
- bool no_delta;
- bool clock_cycles;
- bool clock_seconds;
- bool clock_date;
- bool clock_gmt;
- bool dbg_info_full_path;
- bool verbose;
-};
-
-/* Legacy input format format */
-enum legacy_input_format {
- LEGACY_INPUT_FORMAT_NONE = 0,
- LEGACY_INPUT_FORMAT_CTF,
- LEGACY_INPUT_FORMAT_LTTNG_LIVE,
-};
-
-/* Legacy output format format */
-enum legacy_output_format {
- LEGACY_OUTPUT_FORMAT_NONE = 0,
- LEGACY_OUTPUT_FORMAT_TEXT,
- LEGACY_OUTPUT_FORMAT_DUMMY,
-};
-
-/*
- * Prints the "out of memory" error.
- */
-static
-void print_err_oom(void)
-{
- printf_err("Out of memory\n");
-}
-
-/*
- * Appends an "expecting token" error to the INI-style parsing state's
- * error buffer.
- */
-static
-void ini_append_error_expecting(struct ini_parsing_state *state,
- GScanner *scanner, const char *expecting)
-{
- size_t i;
- size_t pos;
-
- g_string_append_printf(state->ini_error, "Expecting %s:\n", expecting);
-
- /* Only print error if there's one line */
- if (strchr(state->arg, '\n') != NULL || strlen(state->arg) == 0) {
- return;
- }
-
- g_string_append_printf(state->ini_error, "\n %s\n", state->arg);
- pos = g_scanner_cur_position(scanner) + 4;
-
- if (!g_scanner_eof(scanner)) {
- pos--;
- }
-
- for (i = 0; i < pos; ++i) {
- g_string_append_printf(state->ini_error, " ");
- }
-
- g_string_append_printf(state->ini_error, "^\n\n");
-}
-
-/* Parse the next token as an unsigned integer. */
-static
-bt_value *ini_parse_uint(struct ini_parsing_state *state)
-{
- bt_value *value = NULL;
- GTokenType token_type = g_scanner_get_next_token(state->scanner);
-
- if (token_type != G_TOKEN_INT) {
- ini_append_error_expecting(state, state->scanner,
- "integer value");
- goto end;
- }
-
- value = bt_value_unsigned_integer_create_init(
- state->scanner->value.v_int64);
-
-end:
- return value;
-}
-
-/* Parse the next token as a number and return its negation. */
-static
-bt_value *ini_parse_neg_number(struct ini_parsing_state *state)
-{
- bt_value *value = NULL;
- GTokenType token_type = g_scanner_get_next_token(state->scanner);
-
- switch (token_type) {
- case G_TOKEN_INT:
- {
- /* Negative integer */
- uint64_t int_val = state->scanner->value.v_int64;
-
- if (int_val > (((uint64_t) INT64_MAX) + 1)) {
- g_string_append_printf(state->ini_error,
- "Integer value -%" PRIu64 " is outside the range of a 64-bit signed integer\n",
- int_val);
- } else {
- value = bt_value_signed_integer_create_init(
- -((int64_t) int_val));
- }
-
- break;
- }
- case G_TOKEN_FLOAT:
- /* Negative floating point number */
- value = bt_value_real_create_init(-state->scanner->value.v_float);
- break;
- default:
- ini_append_error_expecting(state, state->scanner, "value");
- break;
- }
-
- return value;
-}
-
-static bt_value *ini_parse_value(struct ini_parsing_state *state);
-
-/*
- * Parse the current and following tokens as an array. Arrays are formatted as
- * an opening `[`, a list of comma-separated values and a closing `]`. For
- * convenience we support an optional trailing comma, after the last value.
- *
- * The current token of the parser must be the opening square bracket of the
- * array.
- */
-static
-bt_value *ini_parse_array(struct ini_parsing_state *state)
-{
- /* The [ character must have already been ingested. */
- BT_ASSERT(g_scanner_cur_token(state->scanner) == G_TOKEN_CHAR);
- BT_ASSERT(g_scanner_cur_value(state->scanner).v_char == '[');
-
- bt_value *array_value;
- GTokenType token_type;
-
- array_value = bt_value_array_create ();
- token_type = g_scanner_get_next_token(state->scanner);
-
- /* While the current token is not a ]... */
- while (!(token_type == G_TOKEN_CHAR && g_scanner_cur_value(state->scanner).v_char == ']')) {
- /* Parse the item... */
- bt_value *item_value;
- bt_value_status status;
-
- item_value = ini_parse_value(state);
- if (!item_value) {
- goto error;
- }
-
- /* ... and add it to the result array. */
- status = bt_value_array_append_element(array_value, item_value);
- BT_VALUE_PUT_REF_AND_RESET(item_value);
-
- if (status != BT_VALUE_STATUS_OK) {
- goto error;
- }
-
- /*
- * Ingest the token following the value, it should be either a
- * comma or closing square brace.
- */
- token_type = g_scanner_get_next_token(state->scanner);
-
- if (token_type == G_TOKEN_CHAR && g_scanner_cur_value(state->scanner).v_char == ',') {
- /*
- * Ingest the token following the comma. If it happens
- * to be a closing square bracket, we'll exit the loop
- * and we are done (we allow trailing commas).
- * Otherwise, we are ready for the next ini_parse_value call.
- */
- token_type = g_scanner_get_next_token(state->scanner);
- } else if (token_type != G_TOKEN_CHAR || g_scanner_cur_value(state->scanner).v_char != ']') {
- ini_append_error_expecting(state, state->scanner, ", or ]");
- goto error;
- }
- }
-
- goto end;
-
-error:
- BT_VALUE_PUT_REF_AND_RESET(array_value);
-
-end:
- return array_value;
-}
-
-/*
- * Parse the current token (and the following ones if needed) as a value, return
- * it as a bt_value.
- */
-static
-bt_value *ini_parse_value(struct ini_parsing_state *state)
-{
- bt_value *value = NULL;
- GTokenType token_type = state->scanner->token;
-
- switch (token_type) {
- case G_TOKEN_CHAR:
- if (state->scanner->value.v_char == '-') {
- /* Negative number */
- value = ini_parse_neg_number(state);
- } else if (state->scanner->value.v_char == '+') {
- /* Unsigned integer */
- value = ini_parse_uint(state);
- } else if (state->scanner->value.v_char == '[') {
- /* Array */
- value = ini_parse_array(state);
- } else {
- ini_append_error_expecting(state, state->scanner, "value");
- }
- break;
- case G_TOKEN_INT:
- {
- /* Positive, signed integer */
- uint64_t int_val = state->scanner->value.v_int64;
-
- if (int_val > INT64_MAX) {
- g_string_append_printf(state->ini_error,
- "Integer value %" PRIu64 " is outside the range of a 64-bit signed integer\n",
- int_val);
- } else {
- value = bt_value_signed_integer_create_init(
- (int64_t) int_val);
- }
- break;
- }
- case G_TOKEN_FLOAT:
- /* Positive floating point number */
- value = bt_value_real_create_init(state->scanner->value.v_float);
- break;
- case G_TOKEN_STRING:
- /* Quoted string */
- value = bt_value_string_create_init(state->scanner->value.v_string);
- break;
- case G_TOKEN_IDENTIFIER:
- {
- /*
- * Using symbols would be appropriate here,
- * but said symbols are allowed as map key,
- * so it's easier to consider everything an
- * identifier.
- *
- * If one of the known symbols is not
- * recognized here, then fall back to creating
- * a string value.
- */
- const char *id = state->scanner->value.v_identifier;
-
- if (!strcmp(id, "null") || !strcmp(id, "NULL") ||
- !strcmp(id, "nul")) {
- value = bt_value_null;
- } else if (!strcmp(id, "true") || !strcmp(id, "TRUE") ||
- !strcmp(id, "yes") ||
- !strcmp(id, "YES")) {
- value = bt_value_bool_create_init(true);
- } else if (!strcmp(id, "false") ||
- !strcmp(id, "FALSE") ||
- !strcmp(id, "no") ||
- !strcmp(id, "NO")) {
- value = bt_value_bool_create_init(false);
- } else {
- value = bt_value_string_create_init(id);
- }
- break;
- }
- default:
- /* Unset value variable will trigger the error */
- ini_append_error_expecting(state, state->scanner, "value");
- break;
- }
-
- return value;
-}
-
-static
-int ini_handle_state(struct ini_parsing_state *state)
-{
- int ret = 0;
- GTokenType token_type;
- bt_value *value = NULL;
-
- token_type = g_scanner_get_next_token(state->scanner);
- if (token_type == G_TOKEN_EOF) {
- if (state->expecting != INI_EXPECT_COMMA) {
- switch (state->expecting) {
- case INI_EXPECT_EQUAL:
- ini_append_error_expecting(state,
- state->scanner, "'='");
- break;
- case INI_EXPECT_VALUE:
- ini_append_error_expecting(state,
- state->scanner, "value");
- break;
- case INI_EXPECT_MAP_KEY:
- ini_append_error_expecting(state,
- state->scanner, "unquoted map key");
- break;
- default:
- break;
- }
- goto error;
- }
-
- /* We're done! */
- ret = 1;
- goto success;
- }
-
- switch (state->expecting) {
- case INI_EXPECT_MAP_KEY:
- if (token_type != G_TOKEN_IDENTIFIER) {
- ini_append_error_expecting(state, state->scanner,
- "unquoted map key");
- goto error;
- }
-
- free(state->last_map_key);
- state->last_map_key =
- strdup(state->scanner->value.v_identifier);
- if (!state->last_map_key) {
- g_string_append(state->ini_error,
- "Out of memory\n");
- goto error;
- }
-
- if (bt_value_map_has_entry(state->params,
- state->last_map_key)) {
- g_string_append_printf(state->ini_error,
- "Duplicate parameter key: `%s`\n",
- state->last_map_key);
- goto error;
- }
-
- state->expecting = INI_EXPECT_EQUAL;
- goto success;
- case INI_EXPECT_EQUAL:
- if (token_type != G_TOKEN_CHAR) {
- ini_append_error_expecting(state,
- state->scanner, "'='");
- goto error;
- }
-
- if (state->scanner->value.v_char != '=') {
- ini_append_error_expecting(state,
- state->scanner, "'='");
- goto error;
- }
-
- state->expecting = INI_EXPECT_VALUE;
- goto success;
- case INI_EXPECT_VALUE:
- {
- value = ini_parse_value(state);
- if (!value) {
- goto error;
- }
-
- state->expecting = INI_EXPECT_COMMA;
- goto success;
- }
- case INI_EXPECT_COMMA:
- if (token_type != G_TOKEN_CHAR) {
- ini_append_error_expecting(state,
- state->scanner, "','");
- goto error;
- }
-
- if (state->scanner->value.v_char != ',') {
- ini_append_error_expecting(state,
- state->scanner, "','");
- goto error;
- }
-
- state->expecting = INI_EXPECT_MAP_KEY;
- goto success;
- default:
- abort();
- }
-
-error:
- ret = -1;
- goto end;
-
-success:
- if (value) {
- if (bt_value_map_insert_entry(state->params,
- state->last_map_key, value)) {
- /* Only override return value on error */
- ret = -1;
- }
- }
-
-end:
- BT_VALUE_PUT_REF_AND_RESET(value);
- return ret;
-}
-
-/*
- * Converts an INI-style argument to an equivalent map value object.
- *
- * Return value is owned by the caller.
- */
-static
-bt_value *bt_value_from_ini(const char *arg,
- GString *ini_error)
-{
- /* Lexical scanner configuration */
- GScannerConfig scanner_config = {
- /* Skip whitespaces */
- .cset_skip_characters = " \t\n",
-
- /* Identifier syntax is: [a-zA-Z_][a-zA-Z0-9_.:-]* */
- .cset_identifier_first =
- G_CSET_a_2_z
- "_"
- G_CSET_A_2_Z,
- .cset_identifier_nth =
- G_CSET_a_2_z
- "_0123456789-.:"
- G_CSET_A_2_Z,
-
- /* "hello" and "Hello" two different keys */
- .case_sensitive = TRUE,
-
- /* No comments */
- .cpair_comment_single = NULL,
- .skip_comment_multi = TRUE,
- .skip_comment_single = TRUE,
- .scan_comment_multi = FALSE,
-
- /*
- * Do scan identifiers, including 1-char identifiers,
- * but NULL is a normal identifier.
- */
- .scan_identifier = TRUE,
- .scan_identifier_1char = TRUE,
- .scan_identifier_NULL = FALSE,
-
- /*
- * No specific symbols: null and boolean "symbols" are
- * scanned as plain identifiers.
- */
- .scan_symbols = FALSE,
- .symbol_2_token = FALSE,
- .scope_0_fallback = FALSE,
-
- /*
- * Scan "0b"-, "0"-, and "0x"-prefixed integers, but not
- * integers prefixed with "$".
- */
- .scan_binary = TRUE,
- .scan_octal = TRUE,
- .scan_float = TRUE,
- .scan_hex = TRUE,
- .scan_hex_dollar = FALSE,
-
- /* Convert scanned numbers to integer tokens */
- .numbers_2_int = TRUE,
-
- /* Support both integers and floating-point numbers */
- .int_2_float = FALSE,
-
- /* Scan integers as 64-bit signed integers */
- .store_int64 = TRUE,
-
- /* Only scan double-quoted strings */
- .scan_string_sq = FALSE,
- .scan_string_dq = TRUE,
-
- /* Do not converter identifiers to string tokens */
- .identifier_2_string = FALSE,
-
- /* Scan characters as G_TOKEN_CHAR token */
- .char_2_token = FALSE,
- };
- struct ini_parsing_state state = {
- .scanner = NULL,
- .params = NULL,
- .expecting = INI_EXPECT_MAP_KEY,
- .arg = arg,
- .ini_error = ini_error,
- };
-
- state.params = bt_value_map_create();
- if (!state.params) {
- goto error;
- }
-
- state.scanner = g_scanner_new(&scanner_config);
- if (!state.scanner) {
- goto error;
- }
-
- /* Let the scan begin */
- g_scanner_input_text(state.scanner, arg, strlen(arg));
-
- while (true) {
- int ret = ini_handle_state(&state);
-
- if (ret < 0) {
- /* Error */
- goto error;
- } else if (ret > 0) {
- /* Done */
- break;
- }
- }
-
- goto end;
-
-error:
- BT_VALUE_PUT_REF_AND_RESET(state.params);
-
-end:
- if (state.scanner) {
- g_scanner_destroy(state.scanner);
- }
-
- free(state.last_map_key);
- return state.params;
-}
-
-/*
- * Returns the parameters map value object from a command-line
- * parameter option's argument.
- *
- * Return value is owned by the caller.
- */
-static
-bt_value *bt_value_from_arg(const char *arg)
-{
- bt_value *params = NULL;
- GString *ini_error = NULL;
-
- ini_error = g_string_new(NULL);
- if (!ini_error) {
- print_err_oom();
- goto end;
- }
-
- /* Try INI-style parsing */
- params = bt_value_from_ini(arg, ini_error);
- if (!params) {
- printf_err("%s", ini_error->str);
- goto end;
- }
-
-end:
- if (ini_error) {
- g_string_free(ini_error, TRUE);
- }
-
- return params;
-}
-
-/*
- * Returns the plugin name, component class name, component class type,
- * and component name from a command-line --component option's argument.
- * arg must have the following format:
- *
- * [NAME:]TYPE.PLUGIN.CLS
- *
- * where NAME is the optional component name, TYPE is either `source`,
- * `filter`, or `sink`, PLUGIN is the plugin name, and CLS is the
- * component class name.
- *
- * On success, both *plugin and *component are not NULL. *plugin
- * and *comp_cls are owned by the caller. On success, *name can be NULL
- * if no component class name was found, and *comp_cls_type is set.
- */
-static
-void plugin_comp_cls_names(const char *arg, char **name, char **plugin,
- char **comp_cls, bt_component_class_type *comp_cls_type)
-{
- const char *at = arg;
- GString *gs_name = NULL;
- GString *gs_comp_cls_type = NULL;
- GString *gs_plugin = NULL;
- GString *gs_comp_cls = NULL;
- size_t end_pos;
-
- BT_ASSERT(arg);
- BT_ASSERT(plugin);
- BT_ASSERT(comp_cls);
- BT_ASSERT(comp_cls_type);
-
- if (!bt_common_string_is_printable(arg)) {
- printf_err("Argument contains a non-printable character\n");
- goto error;
- }
-
- /* Parse the component name */
- gs_name = bt_common_string_until(at, ".:\\", ":", &end_pos);
- if (!gs_name) {
- goto error;
- }
-
- if (arg[end_pos] == ':') {
- at += end_pos + 1;
- } else {
- /* No name */
- g_string_assign(gs_name, "");
- }
-
- /* Parse the component class type */
- gs_comp_cls_type = bt_common_string_until(at, ".:\\", ".", &end_pos);
- if (!gs_comp_cls_type || at[end_pos] == '\0') {
- printf_err("Missing component class type (`source`, `filter`, or `sink`)\n");
- goto error;
- }
-
- if (strcmp(gs_comp_cls_type->str, "source") == 0 ||
- strcmp(gs_comp_cls_type->str, "src") == 0) {
- *comp_cls_type = BT_COMPONENT_CLASS_TYPE_SOURCE;
- } else if (strcmp(gs_comp_cls_type->str, "filter") == 0 ||
- strcmp(gs_comp_cls_type->str, "flt") == 0) {
- *comp_cls_type = BT_COMPONENT_CLASS_TYPE_FILTER;
- } else if (strcmp(gs_comp_cls_type->str, "sink") == 0) {
- *comp_cls_type = BT_COMPONENT_CLASS_TYPE_SINK;
- } else {
- printf_err("Unknown component class type: `%s`\n",
- gs_comp_cls_type->str);
- goto error;
- }
-
- at += end_pos + 1;
-
- /* Parse the plugin name */
- gs_plugin = bt_common_string_until(at, ".:\\", ".", &end_pos);
- if (!gs_plugin || gs_plugin->len == 0 || at[end_pos] == '\0') {
- printf_err("Missing plugin or component class name\n");
- goto error;
- }
-
- at += end_pos + 1;
-
- /* Parse the component class name */
- gs_comp_cls = bt_common_string_until(at, ".:\\", ".", &end_pos);
- if (!gs_comp_cls || gs_comp_cls->len == 0) {
- printf_err("Missing component class name\n");
- goto error;
- }
-
- if (at[end_pos] != '\0') {
- /* Found a non-escaped `.` */
- goto error;
- }
-
- if (name) {
- if (gs_name->len == 0) {
- *name = NULL;
- g_string_free(gs_name, TRUE);
- } else {
- *name = gs_name->str;
- g_string_free(gs_name, FALSE);
- }
- } else {
- g_string_free(gs_name, TRUE);
- }
-
- *plugin = gs_plugin->str;
- *comp_cls = gs_comp_cls->str;
- g_string_free(gs_plugin, FALSE);
- g_string_free(gs_comp_cls, FALSE);
- gs_name = NULL;
- gs_plugin = NULL;
- gs_comp_cls = NULL;
- goto end;
-
-error:
- if (name) {
- *name = NULL;
- }
-
- *plugin = NULL;
- *comp_cls = NULL;
-
-end:
- if (gs_name) {
- g_string_free(gs_name, TRUE);
- }
-
- if (gs_plugin) {
- g_string_free(gs_plugin, TRUE);
- }
-
- if (gs_comp_cls) {
- g_string_free(gs_comp_cls, TRUE);
- }
-
- if (gs_comp_cls_type) {
- g_string_free(gs_comp_cls_type, TRUE);
- }
-
- return;
-}
-
-/*
- * Prints the Babeltrace version.
- */
-static
-void print_version(void)
-{
- if (GIT_VERSION[0] == '\0') {
- puts("Babeltrace " VERSION);
- } else {
- puts("Babeltrace " VERSION " - " GIT_VERSION);
- }
-}
-
-/*
- * Destroys a component configuration.
- */
-static
-void bt_config_component_destroy(bt_object *obj)
-{
- struct bt_config_component *bt_config_component =
- container_of(obj, struct bt_config_component, base);
-
- if (!obj) {
- goto end;
- }
-
- if (bt_config_component->plugin_name) {
- g_string_free(bt_config_component->plugin_name, TRUE);
- }
-
- if (bt_config_component->comp_cls_name) {
- g_string_free(bt_config_component->comp_cls_name, TRUE);
- }
-
- if (bt_config_component->instance_name) {
- g_string_free(bt_config_component->instance_name, TRUE);
- }
-
- BT_VALUE_PUT_REF_AND_RESET(bt_config_component->params);
- g_free(bt_config_component);
-
-end:
- return;
-}
-
-/*
- * Creates a component configuration using the given plugin name and
- * component name. `plugin_name` and `comp_cls_name` are copied (belong
- * to the return value).
- *
- * Return value is owned by the caller.
- */
-static
-struct bt_config_component *bt_config_component_create(
- bt_component_class_type type,
- const char *plugin_name, const char *comp_cls_name)
-{
- struct bt_config_component *cfg_component = NULL;
-
- cfg_component = g_new0(struct bt_config_component, 1);
- if (!cfg_component) {
- print_err_oom();
- goto error;
- }
-
- bt_object_init_shared(&cfg_component->base,
- bt_config_component_destroy);
- cfg_component->type = type;
- cfg_component->plugin_name = g_string_new(plugin_name);
- if (!cfg_component->plugin_name) {
- print_err_oom();
- goto error;
- }
-
- cfg_component->comp_cls_name = g_string_new(comp_cls_name);
- if (!cfg_component->comp_cls_name) {
- print_err_oom();
- goto error;
- }
-
- cfg_component->instance_name = g_string_new(NULL);
- if (!cfg_component->instance_name) {
- print_err_oom();
- goto error;
- }
-
- /* Start with empty parameters */
- cfg_component->params = bt_value_map_create();
- if (!cfg_component->params) {
- print_err_oom();
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg_component);
-
-end:
- return cfg_component;
-}
-
-/*
- * Creates a component configuration from a command-line --component
- * option's argument.
- */
-static
-struct bt_config_component *bt_config_component_from_arg(const char *arg)
-{
- struct bt_config_component *cfg_comp = NULL;
- char *name = NULL;
- char *plugin_name = NULL;
- char *comp_cls_name = NULL;
- bt_component_class_type type;
-
- plugin_comp_cls_names(arg, &name, &plugin_name, &comp_cls_name, &type);
- if (!plugin_name || !comp_cls_name) {
- goto error;
- }
-
- cfg_comp = bt_config_component_create(type, plugin_name, comp_cls_name);
- if (!cfg_comp) {
- goto error;
- }
-
- if (name) {
- g_string_assign(cfg_comp->instance_name, name);
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg_comp);
-
-end:
- g_free(name);
- g_free(plugin_name);
- g_free(comp_cls_name);
- return cfg_comp;
-}
-
-/*
- * Destroys a configuration.
- */
-static
-void bt_config_destroy(bt_object *obj)
-{
- struct bt_config *cfg =
- container_of(obj, struct bt_config, base);
-
- if (!obj) {
- goto end;
- }
-
- BT_VALUE_PUT_REF_AND_RESET(cfg->plugin_paths);
-
- switch (cfg->command) {
- case BT_CONFIG_COMMAND_RUN:
- if (cfg->cmd_data.run.sources) {
- g_ptr_array_free(cfg->cmd_data.run.sources, TRUE);
- }
-
- if (cfg->cmd_data.run.filters) {
- g_ptr_array_free(cfg->cmd_data.run.filters, TRUE);
- }
-
- if (cfg->cmd_data.run.sinks) {
- g_ptr_array_free(cfg->cmd_data.run.sinks, TRUE);
- }
-
- if (cfg->cmd_data.run.connections) {
- g_ptr_array_free(cfg->cmd_data.run.connections,
- TRUE);
- }
- break;
- case BT_CONFIG_COMMAND_LIST_PLUGINS:
- break;
- case BT_CONFIG_COMMAND_HELP:
- BT_OBJECT_PUT_REF_AND_RESET(cfg->cmd_data.help.cfg_component);
- break;
- case BT_CONFIG_COMMAND_QUERY:
- BT_OBJECT_PUT_REF_AND_RESET(cfg->cmd_data.query.cfg_component);
-
- if (cfg->cmd_data.query.object) {
- g_string_free(cfg->cmd_data.query.object, TRUE);
- }
- break;
- case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
- if (cfg->cmd_data.print_ctf_metadata.path) {
- g_string_free(cfg->cmd_data.print_ctf_metadata.path,
- TRUE);
- g_string_free(
- cfg->cmd_data.print_ctf_metadata.output_path,
- TRUE);
- }
- break;
- case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
- if (cfg->cmd_data.print_lttng_live_sessions.url) {
- g_string_free(
- cfg->cmd_data.print_lttng_live_sessions.url,
- TRUE);
- g_string_free(
- cfg->cmd_data.print_lttng_live_sessions.output_path,
- TRUE);
- }
- break;
- default:
- abort();
- }
-
- g_free(cfg);
-
-end:
- return;
-}
-
-static
-void destroy_glist_of_gstring(GList *list)
-{
- GList *at;
-
- if (!list) {
- return;
- }
-
- for (at = list; at != NULL; at = g_list_next(at)) {
- g_string_free(at->data, TRUE);
- }
-
- g_list_free(list);
-}
-
-/*
- * Creates a simple lexical scanner for parsing comma-delimited names
- * and fields.
- *
- * Return value is owned by the caller.
- */
-static
-GScanner *create_csv_identifiers_scanner(void)
-{
- GScanner *scanner;
- GScannerConfig scanner_config = {
- .cset_skip_characters = " \t\n",
- .cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "_",
- .cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z ":_-",
- .case_sensitive = TRUE,
- .cpair_comment_single = NULL,
- .skip_comment_multi = TRUE,
- .skip_comment_single = TRUE,
- .scan_comment_multi = FALSE,
- .scan_identifier = TRUE,
- .scan_identifier_1char = TRUE,
- .scan_identifier_NULL = FALSE,
- .scan_symbols = FALSE,
- .symbol_2_token = FALSE,
- .scope_0_fallback = FALSE,
- .scan_binary = FALSE,
- .scan_octal = FALSE,
- .scan_float = FALSE,
- .scan_hex = FALSE,
- .scan_hex_dollar = FALSE,
- .numbers_2_int = FALSE,
- .int_2_float = FALSE,
- .store_int64 = FALSE,
- .scan_string_sq = FALSE,
- .scan_string_dq = FALSE,
- .identifier_2_string = FALSE,
- .char_2_token = TRUE,
- };
-
- scanner = g_scanner_new(&scanner_config);
- if (!scanner) {
- print_err_oom();
- }
-
- return scanner;
-}
-
-/*
- * Converts a comma-delimited list of known names (--names option) to
- * an array value object containing those names as string value objects.
- *
- * Return value is owned by the caller.
- */
-static
-bt_value *names_from_arg(const char *arg)
-{
- GScanner *scanner = NULL;
- bt_value *names = NULL;
- bool found_all = false, found_none = false, found_item = false;
-
- names = bt_value_array_create();
- if (!names) {
- print_err_oom();
- goto error;
- }
-
- scanner = create_csv_identifiers_scanner();
- if (!scanner) {
- goto error;
- }
-
- g_scanner_input_text(scanner, arg, strlen(arg));
-
- while (true) {
- GTokenType token_type = g_scanner_get_next_token(scanner);
-
- switch (token_type) {
- case G_TOKEN_IDENTIFIER:
- {
- const char *identifier = scanner->value.v_identifier;
-
- if (!strcmp(identifier, "payload") ||
- !strcmp(identifier, "args") ||
- !strcmp(identifier, "arg")) {
- found_item = true;
- if (bt_value_array_append_string_element(names,
- "payload")) {
- goto error;
- }
- } else if (!strcmp(identifier, "context") ||
- !strcmp(identifier, "ctx")) {
- found_item = true;
- if (bt_value_array_append_string_element(names,
- "context")) {
- goto error;
- }
- } else if (!strcmp(identifier, "scope") ||
- !strcmp(identifier, "header")) {
- found_item = true;
- if (bt_value_array_append_string_element(names,
- identifier)) {
- goto error;
- }
- } else if (!strcmp(identifier, "all")) {
- found_all = true;
- if (bt_value_array_append_string_element(names,
- identifier)) {
- goto error;
- }
- } else if (!strcmp(identifier, "none")) {
- found_none = true;
- if (bt_value_array_append_string_element(names,
- identifier)) {
- goto error;
- }
- } else {
- printf_err("Unknown name: `%s`\n",
- identifier);
- goto error;
- }
- break;
- }
- case G_TOKEN_COMMA:
- continue;
- case G_TOKEN_EOF:
- goto end;
- default:
- goto error;
- }
- }
-
-end:
- if (found_none && found_all) {
- printf_err("Only either `all` or `none` can be specified in the list given to the --names option, but not both.\n");
- goto error;
- }
- /*
- * Legacy behavior is to clear the defaults (show none) when at
- * least one item is specified.
- */
- if (found_item && !found_none && !found_all) {
- if (bt_value_array_append_string_element(names, "none")) {
- goto error;
- }
- }
- if (scanner) {
- g_scanner_destroy(scanner);
- }
- return names;
-
-error:
- BT_VALUE_PUT_REF_AND_RESET(names);
- if (scanner) {
- g_scanner_destroy(scanner);
- }
- return names;
-}
-
-/*
- * Converts a comma-delimited list of known fields (--fields option) to
- * an array value object containing those fields as string
- * value objects.
- *
- * Return value is owned by the caller.
- */
-static
-bt_value *fields_from_arg(const char *arg)
-{
- GScanner *scanner = NULL;
- bt_value *fields;
-
- fields = bt_value_array_create();
- if (!fields) {
- print_err_oom();
- goto error;
- }
-
- scanner = create_csv_identifiers_scanner();
- if (!scanner) {
- goto error;
- }
-
- g_scanner_input_text(scanner, arg, strlen(arg));
-
- while (true) {
- GTokenType token_type = g_scanner_get_next_token(scanner);
-
- switch (token_type) {
- case G_TOKEN_IDENTIFIER:
- {
- const char *identifier = scanner->value.v_identifier;
-
- if (!strcmp(identifier, "trace") ||
- !strcmp(identifier, "trace:hostname") ||
- !strcmp(identifier, "trace:domain") ||
- !strcmp(identifier, "trace:procname") ||
- !strcmp(identifier, "trace:vpid") ||
- !strcmp(identifier, "loglevel") ||
- !strcmp(identifier, "emf") ||
- !strcmp(identifier, "callsite") ||
- !strcmp(identifier, "all")) {
- if (bt_value_array_append_string_element(fields,
- identifier)) {
- goto error;
- }
- } else {
- printf_err("Unknown field: `%s`\n",
- identifier);
- goto error;
- }
- break;
- }
- case G_TOKEN_COMMA:
- continue;
- case G_TOKEN_EOF:
- goto end;
- default:
- goto error;
- }
- }
-
- goto end;
-
-error:
- BT_VALUE_PUT_REF_AND_RESET(fields);
-
-end:
- if (scanner) {
- g_scanner_destroy(scanner);
- }
- return fields;
-}
-
-static
-void append_param_arg(GString *params_arg, const char *key, const char *value)
-{
- BT_ASSERT(params_arg);
- BT_ASSERT(key);
- BT_ASSERT(value);
-
- if (params_arg->len != 0) {
- g_string_append_c(params_arg, ',');
- }
-
- g_string_append(params_arg, key);
- g_string_append_c(params_arg, '=');
- g_string_append(params_arg, value);
-}
-
-/*
- * Inserts the equivalent "prefix-NAME=yes" strings into params_arg
- * where the names are in names_array.
- */
-static
-int insert_flat_params_from_array(GString *params_arg,
- const bt_value *names_array, const char *prefix)
-{
- int ret = 0;
- int i;
- GString *tmpstr = NULL, *default_value = NULL;
- bool default_set = false, non_default_set = false;
-
- /*
- * names_array may be NULL if no CLI options were specified to
- * trigger its creation.
- */
- if (!names_array) {
- goto end;
- }
-
- tmpstr = g_string_new(NULL);
- if (!tmpstr) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- default_value = g_string_new(NULL);
- if (!default_value) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- for (i = 0; i < bt_value_array_get_size(names_array); i++) {
- const bt_value *str_obj =
- bt_value_array_borrow_element_by_index_const(names_array,
- i);
- const char *suffix;
- bool is_default = false;
-
- if (!str_obj) {
- printf_err("Unexpected error\n");
- ret = -1;
- goto end;
- }
-
- suffix = bt_value_string_get(str_obj);
-
- g_string_assign(tmpstr, prefix);
- g_string_append(tmpstr, "-");
-
- /* Special-case for "all" and "none". */
- if (!strcmp(suffix, "all")) {
- is_default = true;
- g_string_assign(default_value, "show");
- } else if (!strcmp(suffix, "none")) {
- is_default = true;
- g_string_assign(default_value, "hide");
- }
- if (is_default) {
- default_set = true;
- g_string_append(tmpstr, "default");
- append_param_arg(params_arg, tmpstr->str,
- default_value->str);
- } else {
- non_default_set = true;
- g_string_append(tmpstr, suffix);
- append_param_arg(params_arg, tmpstr->str, "yes");
- }
- }
-
- /* Implicit field-default=hide if any non-default option is set. */
- if (non_default_set && !default_set) {
- g_string_assign(tmpstr, prefix);
- g_string_append(tmpstr, "-default");
- g_string_assign(default_value, "hide");
- append_param_arg(params_arg, tmpstr->str, default_value->str);
- }
-
-end:
- if (default_value) {
- g_string_free(default_value, TRUE);
- }
-
- if (tmpstr) {
- g_string_free(tmpstr, TRUE);
- }
-
- return ret;
-}
-
-/* popt options */
-enum {
- OPT_NONE = 0,
- OPT_BASE_PARAMS,
- OPT_BEGIN,
- OPT_CLOCK_CYCLES,
- OPT_CLOCK_DATE,
- OPT_CLOCK_FORCE_CORRELATE,
- OPT_CLOCK_GMT,
- OPT_CLOCK_OFFSET,
- OPT_CLOCK_OFFSET_NS,
- OPT_CLOCK_SECONDS,
- OPT_COLOR,
- OPT_COMPONENT,
- OPT_CONNECT,
- OPT_DEBUG,
- OPT_DEBUG_INFO,
- OPT_DEBUG_INFO_DIR,
- OPT_DEBUG_INFO_FULL_PATH,
- OPT_DEBUG_INFO_TARGET_PREFIX,
- OPT_END,
- OPT_FIELDS,
- OPT_HELP,
- OPT_INPUT_FORMAT,
- OPT_LIST,
- OPT_NAME,
- OPT_NAMES,
- OPT_NO_DELTA,
- OPT_OMIT_HOME_PLUGIN_PATH,
- OPT_OMIT_SYSTEM_PLUGIN_PATH,
- OPT_OUTPUT,
- OPT_OUTPUT_FORMAT,
- OPT_PARAMS,
- OPT_PATH,
- OPT_PLUGIN_PATH,
- OPT_RESET_BASE_PARAMS,
- OPT_RETRY_DURATION,
- OPT_RUN_ARGS,
- OPT_RUN_ARGS_0,
- OPT_STREAM_INTERSECTION,
- OPT_TIMERANGE,
- OPT_URL,
- OPT_VERBOSE,
-};
-
-enum bt_config_component_dest {
- BT_CONFIG_COMPONENT_DEST_UNKNOWN = -1,
- BT_CONFIG_COMPONENT_DEST_SOURCE,
- BT_CONFIG_COMPONENT_DEST_FILTER,
- BT_CONFIG_COMPONENT_DEST_SINK,
-};
-
-/*
- * Adds a configuration component to the appropriate configuration
- * array depending on the destination.
- */
-static
-void add_run_cfg_comp(struct bt_config *cfg,
- struct bt_config_component *cfg_comp,
- enum bt_config_component_dest dest)
-{
- bt_object_get_ref(cfg_comp);
-
- switch (dest) {
- case BT_CONFIG_COMPONENT_DEST_SOURCE:
- g_ptr_array_add(cfg->cmd_data.run.sources, cfg_comp);
- break;
- case BT_CONFIG_COMPONENT_DEST_FILTER:
- g_ptr_array_add(cfg->cmd_data.run.filters, cfg_comp);
- break;
- case BT_CONFIG_COMPONENT_DEST_SINK:
- g_ptr_array_add(cfg->cmd_data.run.sinks, cfg_comp);
- break;
- default:
- abort();
- }
-}
-
-static
-int add_run_cfg_comp_check_name(struct bt_config *cfg,
- struct bt_config_component *cfg_comp,
- enum bt_config_component_dest dest,
- bt_value *instance_names)
-{
- int ret = 0;
-
- if (cfg_comp->instance_name->len == 0) {
- printf_err("Found an unnamed component\n");
- ret = -1;
- goto end;
- }
-
- if (bt_value_map_has_entry(instance_names,
- cfg_comp->instance_name->str)) {
- printf_err("Duplicate component instance name:\n %s\n",
- cfg_comp->instance_name->str);
- ret = -1;
- goto end;
- }
-
- if (bt_value_map_insert_entry(instance_names,
- cfg_comp->instance_name->str, bt_value_null)) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- add_run_cfg_comp(cfg, cfg_comp, dest);
-
-end:
- return ret;
-}
-
-static
-int append_env_var_plugin_paths(bt_value *plugin_paths)
-{
- int ret = 0;
- const char *envvar;
-
- if (bt_common_is_setuid_setgid()) {
- BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
- goto end;
- }
-
- envvar = getenv("BABELTRACE_PLUGIN_PATH");
- if (!envvar) {
- goto end;
- }
-
- ret = bt_config_append_plugin_paths(plugin_paths, envvar);
-
-end:
- if (ret) {
- printf_err("Cannot append plugin paths from BABELTRACE_PLUGIN_PATH\n");
- }
-
- return ret;
-}
-
-static
-int append_home_and_system_plugin_paths(bt_value *plugin_paths,
- bool omit_system_plugin_path, bool omit_home_plugin_path)
-{
- int ret;
-
- if (!omit_home_plugin_path) {
- if (bt_common_is_setuid_setgid()) {
- BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
- } else {
- char *home_plugin_dir =
- bt_common_get_home_plugin_path();
-
- if (home_plugin_dir) {
- ret = bt_config_append_plugin_paths(
- plugin_paths, home_plugin_dir);
- free(home_plugin_dir);
-
- if (ret) {
- printf_err("Invalid home plugin path\n");
- goto error;
- }
- }
- }
- }
-
- if (!omit_system_plugin_path) {
- if (bt_config_append_plugin_paths(plugin_paths,
- bt_common_get_system_plugin_path())) {
- printf_err("Invalid system plugin path\n");
- goto error;
- }
- }
- return 0;
-error:
- printf_err("Cannot append home and system plugin paths\n");
- return -1;
-}
-
-static
-int append_home_and_system_plugin_paths_cfg(struct bt_config *cfg)
-{
- return append_home_and_system_plugin_paths(cfg->plugin_paths,
- cfg->omit_system_plugin_path, cfg->omit_home_plugin_path);
-}
-
-static
-struct bt_config *bt_config_base_create(enum bt_config_command command,
- const bt_value *initial_plugin_paths,
- bool needs_plugins)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = g_new0(struct bt_config, 1);
- if (!cfg) {
- print_err_oom();
- goto error;
- }
-
- bt_object_init_shared(&cfg->base, bt_config_destroy);
- cfg->command = command;
- cfg->command_needs_plugins = needs_plugins;
-
- if (initial_plugin_paths) {
- bt_value *initial_plugin_paths_copy;
-
- (void) bt_value_copy(initial_plugin_paths,
- &initial_plugin_paths_copy);
- cfg->plugin_paths = initial_plugin_paths_copy;
- } else {
- cfg->plugin_paths = bt_value_array_create();
- if (!cfg->plugin_paths) {
- print_err_oom();
- goto error;
- }
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-struct bt_config *bt_config_run_create(
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = bt_config_base_create(BT_CONFIG_COMMAND_RUN,
- initial_plugin_paths, true);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.run.sources = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_object_put_ref);
- if (!cfg->cmd_data.run.sources) {
- print_err_oom();
- goto error;
- }
-
- cfg->cmd_data.run.filters = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_object_put_ref);
- if (!cfg->cmd_data.run.filters) {
- print_err_oom();
- goto error;
- }
-
- cfg->cmd_data.run.sinks = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_object_put_ref);
- if (!cfg->cmd_data.run.sinks) {
- print_err_oom();
- goto error;
- }
-
- cfg->cmd_data.run.connections = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_config_connection_destroy);
- if (!cfg->cmd_data.run.connections) {
- print_err_oom();
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-struct bt_config *bt_config_list_plugins_create(
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = bt_config_base_create(BT_CONFIG_COMMAND_LIST_PLUGINS,
- initial_plugin_paths, true);
- if (!cfg) {
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-struct bt_config *bt_config_help_create(
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = bt_config_base_create(BT_CONFIG_COMMAND_HELP,
- initial_plugin_paths, true);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.help.cfg_component =
- bt_config_component_create(-1, NULL, NULL);
- if (!cfg->cmd_data.help.cfg_component) {
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-struct bt_config *bt_config_query_create(
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = bt_config_base_create(BT_CONFIG_COMMAND_QUERY,
- initial_plugin_paths, true);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.query.object = g_string_new(NULL);
- if (!cfg->cmd_data.query.object) {
- print_err_oom();
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-struct bt_config *bt_config_print_ctf_metadata_create(
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = bt_config_base_create(BT_CONFIG_COMMAND_PRINT_CTF_METADATA,
- initial_plugin_paths, true);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.print_ctf_metadata.path = g_string_new(NULL);
- if (!cfg->cmd_data.print_ctf_metadata.path) {
- print_err_oom();
- goto error;
- }
-
- cfg->cmd_data.print_ctf_metadata.output_path = g_string_new(NULL);
- if (!cfg->cmd_data.print_ctf_metadata.output_path) {
- print_err_oom();
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-struct bt_config *bt_config_print_lttng_live_sessions_create(
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg;
-
- /* Create config */
- cfg = bt_config_base_create(BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS,
- initial_plugin_paths, true);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.print_lttng_live_sessions.url = g_string_new(NULL);
- if (!cfg->cmd_data.print_lttng_live_sessions.url) {
- print_err_oom();
- goto error;
- }
-
- cfg->cmd_data.print_lttng_live_sessions.output_path =
- g_string_new(NULL);
- if (!cfg->cmd_data.print_lttng_live_sessions.output_path) {
- print_err_oom();
- goto error;
- }
-
- goto end;
-
-error:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- return cfg;
-}
-
-static
-int bt_config_append_plugin_paths_check_setuid_setgid(
- bt_value *plugin_paths, const char *arg)
-{
- int ret = 0;
-
- if (bt_common_is_setuid_setgid()) {
- BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
- goto end;
- }
-
- if (bt_config_append_plugin_paths(plugin_paths, arg)) {
- printf_err("Invalid --plugin-path option's argument:\n %s\n",
- arg);
- ret = -1;
- goto end;
- }
-
-end:
- return ret;
-}
-
-/*
- * Prints the expected format for a --params option.
- */
-static
-void print_expected_params_format(FILE *fp)
-{
- fprintf(fp, "Expected format of PARAMS\n");
- fprintf(fp, "-------------------------\n");
- fprintf(fp, "\n");
- fprintf(fp, " PARAM=VALUE[,PARAM=VALUE]...\n");
- fprintf(fp, "\n");
- fprintf(fp, "The parameter string is a comma-separated list of PARAM=VALUE assignments,\n");
- fprintf(fp, "where PARAM is the parameter name (C identifier plus the [:.-] characters),\n");
- fprintf(fp, "and VALUE can be one of:\n");
- fprintf(fp, "\n");
- fprintf(fp, "* `null`, `nul`, `NULL`: null value (no backticks).\n");
- fprintf(fp, "* `true`, `TRUE`, `yes`, `YES`: true boolean value (no backticks).\n");
- fprintf(fp, "* `false`, `FALSE`, `no`, `NO`: false boolean value (no backticks).\n");
- fprintf(fp, "* Binary (`0b` prefix), octal (`0` prefix), decimal, or hexadecimal\n");
- fprintf(fp, " (`0x` prefix) unsigned (with `+` prefix) or signed 64-bit integer.\n");
- fprintf(fp, "* Double precision floating point number (scientific notation is accepted).\n");
- fprintf(fp, "* Unquoted string with no special characters, and not matching any of\n");
- fprintf(fp, " the null and boolean value symbols above.\n");
- fprintf(fp, "* Double-quoted string (accepts escape characters).\n");
- fprintf(fp, "* Array, formatted as an opening `[`, a list of comma-separated values\n");
- fprintf(fp, " (as described by the current list) and a closing `]`.\n");
- fprintf(fp, "\n");
- fprintf(fp, "You can put whitespaces allowed around individual `=` and `,` symbols.\n");
- fprintf(fp, "\n");
- fprintf(fp, "Example:\n");
- fprintf(fp, "\n");
- fprintf(fp, " many=null, fresh=yes, condition=false, squirrel=-782329,\n");
- fprintf(fp, " play=+23, observe=3.14, simple=beef, needs-quotes=\"some string\",\n");
- fprintf(fp, " escape.chars-are:allowed=\"this is a \\\" double quote\",\n");
- fprintf(fp, " things=[1, \"2\", 3]\n");
- fprintf(fp, "\n");
- fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run\n");
- fprintf(fp, "babeltrace from a shell.\n");
-}
-
-
-/*
- * Prints the help command usage.
- */
-static
-void print_help_usage(FILE *fp)
-{
- fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] help [OPTIONS] PLUGIN\n");
- fprintf(fp, " babeltrace [GENERAL OPTIONS] help [OPTIONS] TYPE.PLUGIN.CLS\n");
- fprintf(fp, "\n");
- fprintf(fp, "Options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
- fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n");
- fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
- fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
- fprintf(fp, " dynamic plugins can be loaded\n");
- fprintf(fp, " -h, --help Show this help and quit\n");
- fprintf(fp, "\n");
- fprintf(fp, "See `babeltrace --help` for the list of general options.\n");
- fprintf(fp, "\n");
- fprintf(fp, "Use `babeltrace list-plugins` to show the list of available plugins.\n");
-}
-
-static
-struct poptOption help_long_options[] = {
- /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
- { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
- { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
- { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
- { NULL, 0, '\0', NULL, 0, NULL, NULL },
-};
-
-/*
- * Creates a Babeltrace config object from the arguments of a help
- * command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_help_from_args(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths)
-{
- poptContext pc = NULL;
- char *arg = NULL;
- int opt;
- int ret;
- struct bt_config *cfg = NULL;
- const char *leftover;
- char *plugin_name = NULL, *comp_cls_name = NULL;
-
- *retcode = 0;
- cfg = bt_config_help_create(initial_plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- cfg->omit_system_plugin_path = force_omit_system_plugin_path;
- cfg->omit_home_plugin_path = force_omit_home_plugin_path;
- ret = append_env_var_plugin_paths(cfg->plugin_paths);
- if (ret) {
- goto error;
- }
-
- /* Parse options */
- pc = poptGetContext(NULL, argc, (const char **) argv,
- help_long_options, 0);
- if (!pc) {
- printf_err("Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- arg = poptGetOptArg(pc);
-
- switch (opt) {
- case OPT_PLUGIN_PATH:
- if (bt_config_append_plugin_paths_check_setuid_setgid(
- cfg->plugin_paths, arg)) {
- goto error;
- }
- break;
- case OPT_OMIT_SYSTEM_PLUGIN_PATH:
- cfg->omit_system_plugin_path = true;
- break;
- case OPT_OMIT_HOME_PLUGIN_PATH:
- cfg->omit_home_plugin_path = true;
- break;
- case OPT_HELP:
- print_help_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- default:
- printf_err("Unknown command-line option specified (option code %d)\n",
- opt);
- goto error;
- }
-
- free(arg);
- arg = NULL;
- }
-
- /* Check for option parsing error */
- if (opt < -1) {
- printf_err("While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- leftover = poptGetArg(pc);
- if (leftover) {
- plugin_comp_cls_names(leftover, NULL,
- &plugin_name, &comp_cls_name,
- &cfg->cmd_data.help.cfg_component->type);
- if (plugin_name && comp_cls_name) {
- /* Component class help */
- g_string_assign(
- cfg->cmd_data.help.cfg_component->plugin_name,
- plugin_name);
- g_string_assign(
- cfg->cmd_data.help.cfg_component->comp_cls_name,
- comp_cls_name);
- } else {
- /* Fall back to plugin help */
- g_string_assign(
- cfg->cmd_data.help.cfg_component->plugin_name,
- leftover);
- }
- } else {
- print_help_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- }
-
- if (append_home_and_system_plugin_paths_cfg(cfg)) {
- goto error;
- }
-
- goto end;
-
-error:
- *retcode = 1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- g_free(plugin_name);
- g_free(comp_cls_name);
-
- if (pc) {
- poptFreeContext(pc);
- }
-
- free(arg);
- return cfg;
-}
-
-/*
- * Prints the help command usage.
- */
-static
-void print_query_usage(FILE *fp)
-{
- fprintf(fp, "Usage: babeltrace [GEN OPTS] query [OPTS] TYPE.PLUGIN.CLS OBJECT\n");
- fprintf(fp, "\n");
- fprintf(fp, "Options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
- fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n");
- fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
- fprintf(fp, " -p, --params=PARAMS Set the query parameters to PARAMS\n");
- fprintf(fp, " (see the expected format of PARAMS below)\n");
- fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
- fprintf(fp, " dynamic plugins can be loaded\n");
- fprintf(fp, " -h, --help Show this help and quit\n");
- fprintf(fp, "\n\n");
- print_expected_params_format(fp);
-}
-
-static
-struct poptOption query_long_options[] = {
- /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
- { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
- { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
- { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
- { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
- { NULL, 0, '\0', NULL, 0, NULL, NULL },
-};
-
-/*
- * Creates a Babeltrace config object from the arguments of a query
- * command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_query_from_args(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths)
-{
- poptContext pc = NULL;
- char *arg = NULL;
- int opt;
- int ret;
- struct bt_config *cfg = NULL;
- const char *leftover;
- bt_value *params;
-
- params = bt_value_null;
- bt_value_get_ref(bt_value_null);
-
- *retcode = 0;
- cfg = bt_config_query_create(initial_plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- cfg->omit_system_plugin_path = force_omit_system_plugin_path;
- cfg->omit_home_plugin_path = force_omit_home_plugin_path;
- ret = append_env_var_plugin_paths(cfg->plugin_paths);
- if (ret) {
- goto error;
- }
-
- /* Parse options */
- pc = poptGetContext(NULL, argc, (const char **) argv,
- query_long_options, 0);
- if (!pc) {
- printf_err("Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- arg = poptGetOptArg(pc);
-
- switch (opt) {
- case OPT_PLUGIN_PATH:
- if (bt_config_append_plugin_paths_check_setuid_setgid(
- cfg->plugin_paths, arg)) {
- goto error;
- }
- break;
- case OPT_OMIT_SYSTEM_PLUGIN_PATH:
- cfg->omit_system_plugin_path = true;
- break;
- case OPT_OMIT_HOME_PLUGIN_PATH:
- cfg->omit_home_plugin_path = true;
- break;
- case OPT_PARAMS:
- {
- bt_value_put_ref(params);
- params = bt_value_from_arg(arg);
- if (!params) {
- printf_err("Invalid format for --params option's argument:\n %s\n",
- arg);
- goto error;
- }
- break;
- }
- case OPT_HELP:
- print_query_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- default:
- printf_err("Unknown command-line option specified (option code %d)\n",
- opt);
- goto error;
- }
-
- free(arg);
- arg = NULL;
- }
-
- /* Check for option parsing error */
- if (opt < -1) {
- printf_err("While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- /*
- * We need exactly two leftover arguments which are the
- * mandatory component class specification and query object.
- */
- leftover = poptGetArg(pc);
- if (leftover) {
- cfg->cmd_data.query.cfg_component =
- bt_config_component_from_arg(leftover);
- if (!cfg->cmd_data.query.cfg_component) {
- printf_err("Invalid format for component class specification:\n %s\n",
- leftover);
- goto error;
- }
-
- BT_ASSERT(params);
- BT_OBJECT_MOVE_REF(cfg->cmd_data.query.cfg_component->params,
- params);
- } else {
- print_query_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- }
-
- leftover = poptGetArg(pc);
- if (leftover) {
- if (strlen(leftover) == 0) {
- printf_err("Invalid empty object\n");
- goto error;
- }
-
- g_string_assign(cfg->cmd_data.query.object, leftover);
- } else {
- print_query_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- }
-
- leftover = poptGetArg(pc);
- if (leftover) {
- printf_err("Unexpected argument: %s\n", leftover);
- goto error;
- }
-
- if (append_home_and_system_plugin_paths_cfg(cfg)) {
- goto error;
- }
-
- goto end;
-
-error:
- *retcode = 1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- if (pc) {
- poptFreeContext(pc);
- }
-
- bt_value_put_ref(params);
- free(arg);
- return cfg;
-}
-
-/*
- * Prints the list-plugins command usage.
- */
-static
-void print_list_plugins_usage(FILE *fp)
-{
- fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] list-plugins [OPTIONS]\n");
- fprintf(fp, "\n");
- fprintf(fp, "Options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
- fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n");
- fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
- fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
- fprintf(fp, " dynamic plugins can be loaded\n");
- fprintf(fp, " -h, --help Show this help and quit\n");
- fprintf(fp, "\n");
- fprintf(fp, "See `babeltrace --help` for the list of general options.\n");
- fprintf(fp, "\n");
- fprintf(fp, "Use `babeltrace help` to get help for a specific plugin or component class.\n");
-}
-
-static
-struct poptOption list_plugins_long_options[] = {
- /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
- { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
- { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
- { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
- { NULL, 0, '\0', NULL, 0, NULL, NULL },
-};
-
-/*
- * Creates a Babeltrace config object from the arguments of a
- * list-plugins command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_list_plugins_from_args(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths)
-{
- poptContext pc = NULL;
- char *arg = NULL;
- int opt;
- int ret;
- struct bt_config *cfg = NULL;
- const char *leftover;
-
- *retcode = 0;
- cfg = bt_config_list_plugins_create(initial_plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- cfg->omit_system_plugin_path = force_omit_system_plugin_path;
- cfg->omit_home_plugin_path = force_omit_home_plugin_path;
- ret = append_env_var_plugin_paths(cfg->plugin_paths);
- if (ret) {
- goto error;
- }
-
- /* Parse options */
- pc = poptGetContext(NULL, argc, (const char **) argv,
- list_plugins_long_options, 0);
- if (!pc) {
- printf_err("Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- arg = poptGetOptArg(pc);
-
- switch (opt) {
- case OPT_PLUGIN_PATH:
- if (bt_config_append_plugin_paths_check_setuid_setgid(
- cfg->plugin_paths, arg)) {
- goto error;
- }
- break;
- case OPT_OMIT_SYSTEM_PLUGIN_PATH:
- cfg->omit_system_plugin_path = true;
- break;
- case OPT_OMIT_HOME_PLUGIN_PATH:
- cfg->omit_home_plugin_path = true;
- break;
- case OPT_HELP:
- print_list_plugins_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- default:
- printf_err("Unknown command-line option specified (option code %d)\n",
- opt);
- goto error;
- }
-
- free(arg);
- arg = NULL;
- }
-
- /* Check for option parsing error */
- if (opt < -1) {
- printf_err("While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- leftover = poptGetArg(pc);
- if (leftover) {
- printf_err("Unexpected argument: %s\n", leftover);
- goto error;
- }
-
- if (append_home_and_system_plugin_paths_cfg(cfg)) {
- goto error;
- }
-
- goto end;
-
-error:
- *retcode = 1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- if (pc) {
- poptFreeContext(pc);
- }
-
- free(arg);
- return cfg;
-}
-
-/*
- * Prints the run command usage.
- */
-static
-void print_run_usage(FILE *fp)
-{
- fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] run [OPTIONS]\n");
- fprintf(fp, "\n");
- fprintf(fp, "Options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " -b, --base-params=PARAMS Set PARAMS as the current base parameters\n");
- fprintf(fp, " for all the following components until\n");
- fprintf(fp, " --reset-base-params is encountered\n");
- fprintf(fp, " (see the expected format of PARAMS below)\n");
- fprintf(fp, " -c, --component=[NAME:]TYPE.PLUGIN.CLS\n");
- fprintf(fp, " Instantiate the component class CLS of type\n");
- fprintf(fp, " TYPE (`source`, `filter`, or `sink`) found\n");
- fprintf(fp, " in the plugin PLUGIN, add it to the graph,\n");
- fprintf(fp, " and optionally name it NAME (you can also\n");
- fprintf(fp, " specify the name with --name)\n");
- fprintf(fp, " -x, --connect=CONNECTION Connect two created components (see the\n");
- fprintf(fp, " expected format of CONNECTION below)\n");
- fprintf(fp, " -n, --name=NAME Set the name of the current component\n");
- fprintf(fp, " to NAME (must be unique amongst all the\n");
- fprintf(fp, " names of the created components)\n");
- fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
- fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n");
- fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
- fprintf(fp, " -p, --params=PARAMS Add initialization parameters PARAMS to the\n");
- fprintf(fp, " current component (see the expected format\n");
- fprintf(fp, " of PARAMS below)\n");
- fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
- fprintf(fp, " dynamic plugins can be loaded\n");
- fprintf(fp, " -r, --reset-base-params Reset the current base parameters to an\n");
- fprintf(fp, " empty map\n");
- fprintf(fp, " --retry-duration=DUR When babeltrace(1) needs to retry to run\n");
- fprintf(fp, " the graph later, retry in DUR µs\n");
- fprintf(fp, " (default: 100000)\n");
- fprintf(fp, " -h, --help Show this help and quit\n");
- fprintf(fp, "\n");
- fprintf(fp, "See `babeltrace --help` for the list of general options.\n");
- fprintf(fp, "\n\n");
- fprintf(fp, "Expected format of CONNECTION\n");
- fprintf(fp, "-----------------------------\n");
- fprintf(fp, "\n");
- fprintf(fp, " UPSTREAM[.UPSTREAM-PORT]:DOWNSTREAM[.DOWNSTREAM-PORT]\n");
- fprintf(fp, "\n");
- fprintf(fp, "UPSTREAM and DOWNSTREAM are names of the upstream and downstream\n");
- fprintf(fp, "components to connect together. You must escape the following characters\n\n");
- fprintf(fp, "with `\\`: `\\`, `.`, and `:`. You can set the name of the current\n");
- fprintf(fp, "component with the --name option.\n");
- fprintf(fp, "\n");
- fprintf(fp, "UPSTREAM-PORT and DOWNSTREAM-PORT are optional globbing patterns to\n");
- fprintf(fp, "identify the upstream and downstream ports to use for the connection.\n");
- fprintf(fp, "When the port is not specified, `*` is used.\n");
- fprintf(fp, "\n");
- fprintf(fp, "When a component named UPSTREAM has an available port which matches the\n");
- fprintf(fp, "UPSTREAM-PORT globbing pattern, it is connected to the first port which\n");
- fprintf(fp, "matches the DOWNSTREAM-PORT globbing pattern of the component named\n");
- fprintf(fp, "DOWNSTREAM.\n");
- fprintf(fp, "\n");
- fprintf(fp, "The only special character in UPSTREAM-PORT and DOWNSTREAM-PORT is `*`\n");
- fprintf(fp, "which matches anything. You must escape the following characters\n");
- fprintf(fp, "with `\\`: `\\`, `*`, `?`, `[`, `.`, and `:`.\n");
- fprintf(fp, "\n");
- fprintf(fp, "You can connect a source component to a filter or sink component. You\n");
- fprintf(fp, "can connect a filter component to a sink component.\n");
- fprintf(fp, "\n");
- fprintf(fp, "Examples:\n");
- fprintf(fp, "\n");
- fprintf(fp, " my-src:my-sink\n");
- fprintf(fp, " ctf-fs.*stream*:utils-muxer:*\n");
- fprintf(fp, "\n");
- fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run\n");
- fprintf(fp, "babeltrace from a shell.\n");
- fprintf(fp, "\n\n");
- print_expected_params_format(fp);
-}
-
-/*
- * Creates a Babeltrace config object from the arguments of a run
- * command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_run_from_args(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths)
-{
- poptContext pc = NULL;
- char *arg = NULL;
- struct bt_config_component *cur_cfg_comp = NULL;
- enum bt_config_component_dest cur_cfg_comp_dest =
- BT_CONFIG_COMPONENT_DEST_UNKNOWN;
- bt_value *cur_base_params = NULL;
- int opt, ret = 0;
- struct bt_config *cfg = NULL;
- bt_value *instance_names = NULL;
- bt_value *connection_args = NULL;
- char error_buf[256] = { 0 };
- long retry_duration = -1;
- bt_value_status status;
- struct poptOption run_long_options[] = {
- { "base-params", 'b', POPT_ARG_STRING, NULL, OPT_BASE_PARAMS, NULL, NULL },
- { "component", 'c', POPT_ARG_STRING, NULL, OPT_COMPONENT, NULL, NULL },
- { "connect", 'x', POPT_ARG_STRING, NULL, OPT_CONNECT, NULL, NULL },
- { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
- { "name", 'n', POPT_ARG_STRING, NULL, OPT_NAME, NULL, NULL },
- { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
- { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
- { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
- { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
- { "reset-base-params", 'r', POPT_ARG_NONE, NULL, OPT_RESET_BASE_PARAMS, NULL, NULL },
- { "retry-duration", '\0', POPT_ARG_LONG, &retry_duration, OPT_RETRY_DURATION, NULL, NULL },
- { NULL, 0, '\0', NULL, 0, NULL, NULL },
- };
-
- *retcode = 0;
-
- if (argc <= 1) {
- print_run_usage(stdout);
- *retcode = -1;
- goto end;
- }
-
- cfg = bt_config_run_create(initial_plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.run.retry_duration_us = 100000;
- cfg->omit_system_plugin_path = force_omit_system_plugin_path;
- cfg->omit_home_plugin_path = force_omit_home_plugin_path;
- cur_base_params = bt_value_map_create();
- if (!cur_base_params) {
- print_err_oom();
- goto error;
- }
-
- instance_names = bt_value_map_create();
- if (!instance_names) {
- print_err_oom();
- goto error;
- }
-
- connection_args = bt_value_array_create();
- if (!connection_args) {
- print_err_oom();
- goto error;
- }
-
- ret = append_env_var_plugin_paths(cfg->plugin_paths);
- if (ret) {
- goto error;
- }
-
- /* Parse options */
- pc = poptGetContext(NULL, argc, (const char **) argv,
- run_long_options, 0);
- if (!pc) {
- printf_err("Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- arg = poptGetOptArg(pc);
-
- switch (opt) {
- case OPT_PLUGIN_PATH:
- if (bt_config_append_plugin_paths_check_setuid_setgid(
- cfg->plugin_paths, arg)) {
- goto error;
- }
- break;
- case OPT_OMIT_SYSTEM_PLUGIN_PATH:
- cfg->omit_system_plugin_path = true;
- break;
- case OPT_OMIT_HOME_PLUGIN_PATH:
- cfg->omit_home_plugin_path = true;
- break;
- case OPT_COMPONENT:
- {
- enum bt_config_component_dest new_dest;
-
- if (cur_cfg_comp) {
- ret = add_run_cfg_comp_check_name(cfg,
- cur_cfg_comp, cur_cfg_comp_dest,
- instance_names);
- BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
- if (ret) {
- goto error;
- }
- }
-
- cur_cfg_comp = bt_config_component_from_arg(arg);
- if (!cur_cfg_comp) {
- printf_err("Invalid format for --component option's argument:\n %s\n",
- arg);
- goto error;
- }
-
- switch (cur_cfg_comp->type) {
- case BT_COMPONENT_CLASS_TYPE_SOURCE:
- new_dest = BT_CONFIG_COMPONENT_DEST_SOURCE;
- break;
- case BT_COMPONENT_CLASS_TYPE_FILTER:
- new_dest = BT_CONFIG_COMPONENT_DEST_FILTER;
- break;
- case BT_COMPONENT_CLASS_TYPE_SINK:
- new_dest = BT_CONFIG_COMPONENT_DEST_SINK;
- break;
- default:
- abort();
- }
-
- BT_ASSERT(cur_base_params);
- bt_value_put_ref(cur_cfg_comp->params);
- status = bt_value_copy(cur_base_params,
- &cur_cfg_comp->params);
- if (status != BT_VALUE_STATUS_OK) {
- print_err_oom();
- goto error;
- }
-
- cur_cfg_comp_dest = new_dest;
- break;
- }
- case OPT_PARAMS:
- {
- bt_value *params;
- bt_value *params_to_set;
-
- if (!cur_cfg_comp) {
- printf_err("Cannot add parameters to unavailable component:\n %s\n",
- arg);
- goto error;
- }
-
- params = bt_value_from_arg(arg);
- if (!params) {
- printf_err("Invalid format for --params option's argument:\n %s\n",
- arg);
- goto error;
- }
-
- status = bt_value_map_extend(cur_cfg_comp->params,
- params, ¶ms_to_set);
- BT_VALUE_PUT_REF_AND_RESET(params);
- if (status != BT_VALUE_STATUS_OK) {
- printf_err("Cannot extend current component parameters with --params option's argument:\n %s\n",
- arg);
- goto error;
- }
-
- BT_OBJECT_MOVE_REF(cur_cfg_comp->params, params_to_set);
- break;
- }
- case OPT_NAME:
- if (!cur_cfg_comp) {
- printf_err("Cannot set the name of unavailable component:\n %s\n",
- arg);
- goto error;
- }
-
- g_string_assign(cur_cfg_comp->instance_name, arg);
- break;
- case OPT_BASE_PARAMS:
- {
- bt_value *params =
- bt_value_from_arg(arg);
-
- if (!params) {
- printf_err("Invalid format for --base-params option's argument:\n %s\n",
- arg);
- goto error;
- }
-
- BT_OBJECT_MOVE_REF(cur_base_params, params);
- break;
- }
- case OPT_RESET_BASE_PARAMS:
- BT_VALUE_PUT_REF_AND_RESET(cur_base_params);
- cur_base_params = bt_value_map_create();
- if (!cur_base_params) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_CONNECT:
- if (bt_value_array_append_string_element(
- connection_args, arg)) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_RETRY_DURATION:
- if (retry_duration < 0) {
- printf_err("--retry-duration option's argument must be positive or 0: %ld\n",
- retry_duration);
- goto error;
- }
-
- cfg->cmd_data.run.retry_duration_us =
- (uint64_t) retry_duration;
- break;
- case OPT_HELP:
- print_run_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- default:
- printf_err("Unknown command-line option specified (option code %d)\n",
- opt);
- goto error;
- }
-
- free(arg);
- arg = NULL;
- }
-
- /* Check for option parsing error */
- if (opt < -1) {
- printf_err("While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- /* This command does not accept leftover arguments */
- if (poptPeekArg(pc)) {
- printf_err("Unexpected argument: %s\n", poptPeekArg(pc));
- goto error;
- }
-
- /* Add current component */
- if (cur_cfg_comp) {
- ret = add_run_cfg_comp_check_name(cfg, cur_cfg_comp,
- cur_cfg_comp_dest, instance_names);
- BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
- if (ret) {
- goto error;
- }
- }
-
- if (cfg->cmd_data.run.sources->len == 0) {
- printf_err("Incomplete graph: no source component\n");
- goto error;
- }
-
- if (cfg->cmd_data.run.sinks->len == 0) {
- printf_err("Incomplete graph: no sink component\n");
- goto error;
- }
-
- if (append_home_and_system_plugin_paths_cfg(cfg)) {
- goto error;
- }
-
- ret = bt_config_cli_args_create_connections(cfg,
- connection_args,
- error_buf, 256);
- if (ret) {
- printf_err("Cannot creation connections:\n%s", error_buf);
- goto error;
- }
-
- goto end;
-
-error:
- *retcode = 1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- if (pc) {
- poptFreeContext(pc);
- }
-
- free(arg);
- BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
- BT_VALUE_PUT_REF_AND_RESET(cur_base_params);
- BT_VALUE_PUT_REF_AND_RESET(instance_names);
- BT_VALUE_PUT_REF_AND_RESET(connection_args);
- return cfg;
-}
-
-static
-struct bt_config *bt_config_run_from_args_array(const bt_value *run_args,
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *cfg = NULL;
- const char **argv;
- int64_t i, len;
- const size_t argc = bt_value_array_get_size(run_args) + 1;
-
- argv = calloc(argc, sizeof(*argv));
- if (!argv) {
- print_err_oom();
- goto end;
- }
-
- argv[0] = "run";
-
- len = bt_value_array_get_size(run_args);
- if (len < 0) {
- printf_err("Invalid executable arguments\n");
- goto end;
- }
- for (i = 0; i < len; i++) {
- const bt_value *arg_value =
- bt_value_array_borrow_element_by_index_const(run_args,
- i);
- const char *arg;
-
- BT_ASSERT(arg_value);
- arg = bt_value_string_get(arg_value);
- BT_ASSERT(arg);
- argv[i + 1] = arg;
- }
-
- cfg = bt_config_run_from_args(argc, argv, retcode,
- force_omit_system_plugin_path, force_omit_home_plugin_path,
- initial_plugin_paths);
-
-end:
- free(argv);
- return cfg;
-}
-
-/*
- * Prints the convert command usage.
- */
-static
-void print_convert_usage(FILE *fp)
-{
- fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] [convert] [OPTIONS] [PATH/URL]\n");
- fprintf(fp, "\n");
- fprintf(fp, "Options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " -c, --component=[NAME:]TYPE.PLUGIN.CLS\n");
- fprintf(fp, " Instantiate the component class CLS of type\n");
- fprintf(fp, " TYPE (`source`, `filter`, or `sink`) found\n");
- fprintf(fp, " in the plugin PLUGIN, add it to the\n");
- fprintf(fp, " conversion graph, and optionally name it\n");
- fprintf(fp, " NAME (you can also specify the name with\n");
- fprintf(fp, " --name)\n");
- fprintf(fp, " --name=NAME Set the name of the current component\n");
- fprintf(fp, " to NAME (must be unique amongst all the\n");
- fprintf(fp, " names of the created components)\n");
- fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
- fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n");
- fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
- fprintf(fp, " -p, --params=PARAMS Add initialization parameters PARAMS to the\n");
- fprintf(fp, " current component (see the expected format\n");
- fprintf(fp, " of PARAMS below)\n");
- fprintf(fp, " -P, --path=PATH Set the `path` string parameter of the\n");
- fprintf(fp, " current component to PATH\n");
- fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
- fprintf(fp, " --retry-duration=DUR When babeltrace(1) needs to retry to run\n");
- fprintf(fp, " the graph later, retry in DUR µs\n");
- fprintf(fp, " (default: 100000)\n");
- fprintf(fp, " dynamic plugins can be loaded\n");
- fprintf(fp, " --run-args Print the equivalent arguments for the\n");
- fprintf(fp, " `run` command to the standard output,\n");
- fprintf(fp, " formatted for a shell, and quit\n");
- fprintf(fp, " --run-args-0 Print the equivalent arguments for the\n");
- fprintf(fp, " `run` command to the standard output,\n");
- fprintf(fp, " formatted for `xargs -0`, and quit\n");
- fprintf(fp, " --stream-intersection Only process events when all streams\n");
- fprintf(fp, " are active\n");
- fprintf(fp, " -u, --url=URL Set the `url` string parameter of the\n");
- fprintf(fp, " current component to URL\n");
- fprintf(fp, " -h, --help Show this help and quit\n");
- fprintf(fp, "\n");
- fprintf(fp, "Implicit `source.ctf.fs` component options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --clock-offset=SEC Set clock offset to SEC seconds\n");
- fprintf(fp, " --clock-offset-ns=NS Set clock offset to NS ns\n");
- fprintf(fp, "\n");
- fprintf(fp, "Implicit `sink.text.pretty` component options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --clock-cycles Print timestamps in clock cycles\n");
- fprintf(fp, " --clock-date Print timestamp dates\n");
- fprintf(fp, " --clock-gmt Print and parse timestamps in the GMT\n");
- fprintf(fp, " time zone instead of the local time zone\n");
- fprintf(fp, " --clock-seconds Print the timestamps as `SEC.NS` instead\n");
- fprintf(fp, " of `hh:mm:ss.nnnnnnnnn`\n");
- fprintf(fp, " --color=(never | auto | always)\n");
- fprintf(fp, " Never, automatically, or always emit\n");
- fprintf(fp, " console color codes\n");
- fprintf(fp, " -f, --fields=FIELD[,FIELD]... Print additional fields; FIELD can be:\n");
- fprintf(fp, " `all`, `trace`, `trace:hostname`,\n");
- fprintf(fp, " `trace:domain`, `trace:procname`,\n");
- fprintf(fp, " `trace:vpid`, `loglevel`, `emf`\n");
- fprintf(fp, " -n, --names=NAME[,NAME]... Print field names; NAME can be:\n");
- fprintf(fp, " `payload` (or `arg` or `args`), `none`,\n");
- fprintf(fp, " `all`, `scope`, `header`, `context`\n");
- fprintf(fp, " (or `ctx`)\n");
- fprintf(fp, " --no-delta Do not print time delta between\n");
- fprintf(fp, " consecutive events\n");
- fprintf(fp, " -w, --output=PATH Write output text to PATH instead of\n");
- fprintf(fp, " the standard output\n");
- fprintf(fp, "\n");
- fprintf(fp, "Implicit `filter.utils.muxer` component options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --clock-force-correlate Assume that clocks are inherently\n");
- fprintf(fp, " correlated across traces\n");
- fprintf(fp, "\n");
- fprintf(fp, "Implicit `filter.utils.trimmer` component options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " -b, --begin=BEGIN Set the beginning time of the conversion\n");
- fprintf(fp, " time range to BEGIN (see the format of\n");
- fprintf(fp, " BEGIN below)\n");
- fprintf(fp, " -e, --end=END Set the end time of the conversion time\n");
- fprintf(fp, " range to END (see the format of END below)\n");
- fprintf(fp, " -t, --timerange=TIMERANGE Set conversion time range to TIMERANGE:\n");
- fprintf(fp, " BEGIN,END or [BEGIN,END] (literally `[` and\n");
- fprintf(fp, " `]`) (see the format of BEGIN/END below)\n");
- fprintf(fp, "\n");
- fprintf(fp, "Implicit `filter.lttng-utils.debug-info` component options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " --debug-info Create an implicit\n");
- fprintf(fp, " `filter.lttng-utils.debug-info` component\n");
- fprintf(fp, " --debug-info-dir=DIR Search for debug info in directory DIR\n");
- fprintf(fp, " instead of `/usr/lib/debug`\n");
- fprintf(fp, " --debug-info-full-path Show full debug info source and\n");
- fprintf(fp, " binary paths instead of just names\n");
- fprintf(fp, " --debug-info-target-prefix=DIR\n");
- fprintf(fp, " Use directory DIR as a prefix when\n");
- fprintf(fp, " looking up executables during debug\n");
- fprintf(fp, " info analysis\n");
- fprintf(fp, "\n");
- fprintf(fp, "Legacy options that still work:\n");
- fprintf(fp, "\n");
- fprintf(fp, " -i, --input-format=(ctf | lttng-live)\n");
- fprintf(fp, " `ctf`:\n");
- fprintf(fp, " Create an implicit `source.ctf.fs`\n");
- fprintf(fp, " component\n");
- fprintf(fp, " `lttng-live`:\n");
- fprintf(fp, " Create an implicit `source.ctf.lttng-live`\n");
- fprintf(fp, " component\n");
- fprintf(fp, " -o, --output-format=(text | ctf | dummy | ctf-metadata)\n");
- fprintf(fp, " `text`:\n");
- fprintf(fp, " Create an implicit `sink.text.pretty`\n");
- fprintf(fp, " component\n");
- fprintf(fp, " `ctf`:\n");
- fprintf(fp, " Create an implicit `sink.ctf.fs`\n");
- fprintf(fp, " component\n");
- fprintf(fp, " `dummy`:\n");
- fprintf(fp, " Create an implicit `sink.utils.dummy`\n");
- fprintf(fp, " component\n");
- fprintf(fp, " `ctf-metadata`:\n");
- fprintf(fp, " Query the `source.ctf.fs` component class\n");
- fprintf(fp, " for metadata text and quit\n");
- fprintf(fp, "\n");
- fprintf(fp, "See `babeltrace --help` for the list of general options.\n");
- fprintf(fp, "\n\n");
- fprintf(fp, "Format of BEGIN and END\n");
- fprintf(fp, "-----------------------\n");
- fprintf(fp, "\n");
- fprintf(fp, " [YYYY-MM-DD [hh:mm:]]ss[.nnnnnnnnn]\n");
- fprintf(fp, "\n\n");
- print_expected_params_format(fp);
-}
-
-static
-struct poptOption convert_long_options[] = {
- /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
- { "begin", 'b', POPT_ARG_STRING, NULL, OPT_BEGIN, NULL, NULL },
- { "clock-cycles", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL },
- { "clock-date", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
- { "clock-force-correlate", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
- { "clock-gmt", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
- { "clock-offset", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
- { "clock-offset-ns", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET_NS, NULL, NULL },
- { "clock-seconds", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
- { "color", '\0', POPT_ARG_STRING, NULL, OPT_COLOR, NULL, NULL },
- { "component", 'c', POPT_ARG_STRING, NULL, OPT_COMPONENT, NULL, NULL },
- { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
- { "debug-info-dir", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_DIR, NULL, NULL },
- { "debug-info-full-path", 0, POPT_ARG_NONE, NULL, OPT_DEBUG_INFO_FULL_PATH, NULL, NULL },
- { "debug-info-target-prefix", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_TARGET_PREFIX, NULL, NULL },
- { "end", 'e', POPT_ARG_STRING, NULL, OPT_END, NULL, NULL },
- { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
- { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
- { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL },
- { "name", '\0', POPT_ARG_STRING, NULL, OPT_NAME, NULL, NULL },
- { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
- { "debug-info", '\0', POPT_ARG_NONE, NULL, OPT_DEBUG_INFO, NULL, NULL },
- { "no-delta", '\0', POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
- { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
- { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
- { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT, NULL, NULL },
- { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL },
- { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
- { "path", 'P', POPT_ARG_STRING, NULL, OPT_PATH, NULL, NULL },
- { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
- { "retry-duration", '\0', POPT_ARG_STRING, NULL, OPT_RETRY_DURATION, NULL, NULL },
- { "run-args", '\0', POPT_ARG_NONE, NULL, OPT_RUN_ARGS, NULL, NULL },
- { "run-args-0", '\0', POPT_ARG_NONE, NULL, OPT_RUN_ARGS_0, NULL, NULL },
- { "stream-intersection", '\0', POPT_ARG_NONE, NULL, OPT_STREAM_INTERSECTION, NULL, NULL },
- { "timerange", '\0', POPT_ARG_STRING, NULL, OPT_TIMERANGE, NULL, NULL },
- { "url", 'u', POPT_ARG_STRING, NULL, OPT_URL, NULL, NULL },
- { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
- { NULL, 0, '\0', NULL, 0, NULL, NULL },
-};
-
-static
-GString *get_component_auto_name(const char *prefix,
- const bt_value *existing_names)
-{
- unsigned int i = 0;
- GString *auto_name = g_string_new(NULL);
-
- if (!auto_name) {
- print_err_oom();
- goto end;
- }
-
- if (!bt_value_map_has_entry(existing_names, prefix)) {
- g_string_assign(auto_name, prefix);
- goto end;
- }
-
- do {
- g_string_printf(auto_name, "%s-%d", prefix, i);
- i++;
- } while (bt_value_map_has_entry(existing_names, auto_name->str));
-
-end:
- return auto_name;
-}
-
-struct implicit_component_args {
- bool exists;
- GString *comp_arg;
- GString *name_arg;
- GString *params_arg;
- bt_value *extra_params;
-};
-
-static
-int assign_name_to_implicit_component(struct implicit_component_args *args,
- const char *prefix, bt_value *existing_names,
- GList **comp_names, bool append_to_comp_names)
-{
- int ret = 0;
- GString *name = NULL;
-
- if (!args->exists) {
- goto end;
- }
-
- name = get_component_auto_name(prefix,
- existing_names);
-
- if (!name) {
- ret = -1;
- goto end;
- }
-
- g_string_assign(args->name_arg, name->str);
-
- if (bt_value_map_insert_entry(existing_names, name->str,
- bt_value_null)) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- if (append_to_comp_names) {
- *comp_names = g_list_append(*comp_names, name);
- name = NULL;
- }
-
-end:
- if (name) {
- g_string_free(name, TRUE);
- }
-
- return ret;
-}
-
-static
-int append_run_args_for_implicit_component(
- struct implicit_component_args *impl_args,
- bt_value *run_args)
-{
- int ret = 0;
- size_t i;
-
- if (!impl_args->exists) {
- goto end;
- }
-
- if (bt_value_array_append_string_element(run_args, "--component")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, impl_args->comp_arg->str)) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, "--name")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, impl_args->name_arg->str)) {
- print_err_oom();
- goto error;
- }
-
- if (impl_args->params_arg->len > 0) {
- if (bt_value_array_append_string_element(run_args, "--params")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args,
- impl_args->params_arg->str)) {
- print_err_oom();
- goto error;
- }
- }
-
- for (i = 0; i < bt_value_array_get_size(impl_args->extra_params);
- i++) {
- const bt_value *elem;
- const char *arg;
-
- elem = bt_value_array_borrow_element_by_index(impl_args->extra_params,
- i);
- if (!elem) {
- goto error;
- }
-
- BT_ASSERT(bt_value_is_string(elem));
- arg = bt_value_string_get(elem);
- ret = bt_value_array_append_string_element(run_args, arg);
- if (ret) {
- print_err_oom();
- goto error;
- }
- }
-
- goto end;
-
-error:
- ret = -1;
-
-end:
- return ret;
-}
-
-static
-void finalize_implicit_component_args(struct implicit_component_args *args)
-{
- BT_ASSERT(args);
-
- if (args->comp_arg) {
- g_string_free(args->comp_arg, TRUE);
- }
-
- if (args->name_arg) {
- g_string_free(args->name_arg, TRUE);
- }
-
- if (args->params_arg) {
- g_string_free(args->params_arg, TRUE);
- }
-
- bt_value_put_ref(args->extra_params);
-}
-
-static
-int init_implicit_component_args(struct implicit_component_args *args,
- const char *comp_arg, bool exists)
-{
- int ret = 0;
-
- args->exists = exists;
- args->comp_arg = g_string_new(comp_arg);
- args->name_arg = g_string_new(NULL);
- args->params_arg = g_string_new(NULL);
- args->extra_params = bt_value_array_create();
-
- if (!args->comp_arg || !args->name_arg ||
- !args->params_arg || !args->extra_params) {
- ret = -1;
- finalize_implicit_component_args(args);
- print_err_oom();
- goto end;
- }
-
-end:
- return ret;
-}
-
-static
-void append_implicit_component_param(struct implicit_component_args *args,
- const char *key, const char *value)
-{
- BT_ASSERT(args);
- BT_ASSERT(key);
- BT_ASSERT(value);
- append_param_arg(args->params_arg, key, value);
-}
-
-/* Escape value to make it suitable to use as a string parameter value. */
-static
-gchar *escape_string_value(const char *value)
-{
- GString *ret;
- const char *in;
-
- ret = g_string_new(NULL);
- if (!ret) {
- print_err_oom();
- goto end;
- }
-
- in = value;
- while (*in) {
- switch (*in) {
- case '"':
- case '\\':
- g_string_append_c(ret, '\\');
- break;
- }
-
- g_string_append_c(ret, *in);
-
- in++;
- }
-
-end:
- return g_string_free(ret, FALSE);
-}
-
-static
-int bt_value_to_cli_param_value_append(const bt_value *value, GString *buf)
-{
- BT_ASSERT(buf);
-
- int ret = -1;
-
- switch (bt_value_get_type(value)) {
- case BT_VALUE_TYPE_STRING:
- {
- const char *str_value = bt_value_string_get(value);
- gchar *escaped_str_value;
-
- escaped_str_value = escape_string_value(str_value);
- if (!escaped_str_value) {
- goto end;
- }
-
- g_string_append_printf(buf, "\"%s\"", escaped_str_value);
-
- g_free(escaped_str_value);
- break;
- }
- case BT_VALUE_TYPE_ARRAY: {
- g_string_append_c(buf, '[');
- uint64_t sz = bt_value_array_get_size(value);
- for (uint64_t i = 0; i < sz; i++) {
- const bt_value *item;
- int ret;
-
- if (i > 0) {
- g_string_append(buf, ", ");
- }
-
- item = bt_value_array_borrow_element_by_index_const(
- value, i);
- ret = bt_value_to_cli_param_value_append(item, buf);
-
- if (ret) {
- goto end;
- }
- }
- g_string_append_c(buf, ']');
- break;
- }
- default:
- abort();
- }
-
- ret = 0;
-
-end:
- return ret;
-}
-
-/*
- * Convert `value` to its equivalent representation as a command line parameter
- * value.
- */
-
-static
-gchar *bt_value_to_cli_param_value(bt_value *value)
-{
- GString *buf;
- gchar *result = NULL;
-
- buf = g_string_new(NULL);
- if (!buf) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_to_cli_param_value_append(value, buf)) {
- goto error;
- }
-
- result = g_string_free(buf, FALSE);
- buf = NULL;
-
- goto end;
-
-error:
- if (buf) {
- g_string_free(buf, TRUE);
- }
-
-end:
- return result;
-}
-
-static
-int append_parameter_to_args(bt_value *args, const char *key, bt_value *value)
-{
- BT_ASSERT(args);
- BT_ASSERT(bt_value_get_type(args) == BT_VALUE_TYPE_ARRAY);
- BT_ASSERT(key);
- BT_ASSERT(value);
-
- int ret = 0;
- gchar *str_value = NULL;
- GString *parameter = NULL;
-
- if (bt_value_array_append_string_element(args, "--params")) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- str_value = bt_value_to_cli_param_value(value);
- if (!str_value) {
- ret = -1;
- goto end;
- }
-
- parameter = g_string_new(NULL);
- if (!parameter) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- g_string_printf(parameter, "%s=%s", key, str_value);
-
- if (bt_value_array_append_string_element(args, parameter->str)) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
-end:
- if (parameter) {
- g_string_free(parameter, TRUE);
- parameter = NULL;
- }
-
- if (str_value) {
- g_free(str_value);
- str_value = NULL;
- }
-
- return ret;
-}
-
-static
-int append_string_parameter_to_args(bt_value *args, const char *key, const char *value)
-{
- bt_value *str_value;
- int ret;
-
- str_value = bt_value_string_create_init(value);
-
- if (!str_value) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- ret = append_parameter_to_args(args, key, str_value);
-
-end:
- BT_VALUE_PUT_REF_AND_RESET(str_value);
- return ret;
-}
-
-static
-int append_implicit_component_extra_param(struct implicit_component_args *args,
- const char *key, const char *value)
-{
- return append_string_parameter_to_args(args->extra_params, key, value);
-}
-
-static
-int convert_append_name_param(enum bt_config_component_dest dest,
- GString *cur_name, GString *cur_name_prefix,
- bt_value *run_args,
- bt_value *all_names,
- GList **source_names, GList **filter_names,
- GList **sink_names)
-{
- int ret = 0;
-
- if (cur_name_prefix->len > 0) {
- /* We're after a --component option */
- GString *name = NULL;
- bool append_name_opt = false;
-
- if (cur_name->len == 0) {
- /*
- * No explicit name was provided for the user
- * component.
- */
- name = get_component_auto_name(cur_name_prefix->str,
- all_names);
- append_name_opt = true;
- } else {
- /*
- * An explicit name was provided for the user
- * component.
- */
- if (bt_value_map_has_entry(all_names,
- cur_name->str)) {
- printf_err("Duplicate component instance name:\n %s\n",
- cur_name->str);
- goto error;
- }
-
- name = g_string_new(cur_name->str);
- }
-
- if (!name) {
- print_err_oom();
- goto error;
- }
-
- /*
- * Remember this name globally, for the uniqueness of
- * all component names.
- */
- if (bt_value_map_insert_entry(all_names, name->str, bt_value_null)) {
- print_err_oom();
- goto error;
- }
-
- /*
- * Append the --name option if necessary.
- */
- if (append_name_opt) {
- if (bt_value_array_append_string_element(run_args, "--name")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, name->str)) {
- print_err_oom();
- goto error;
- }
- }
-
- /*
- * Remember this name specifically for the type of the
- * component. This is to create connection arguments.
- */
- switch (dest) {
- case BT_CONFIG_COMPONENT_DEST_SOURCE:
- *source_names = g_list_append(*source_names, name);
- break;
- case BT_CONFIG_COMPONENT_DEST_FILTER:
- *filter_names = g_list_append(*filter_names, name);
- break;
- case BT_CONFIG_COMPONENT_DEST_SINK:
- *sink_names = g_list_append(*sink_names, name);
- break;
- default:
- abort();
- }
-
- g_string_assign(cur_name_prefix, "");
- }
-
- goto end;
-
-error:
- ret = -1;
-
-end:
- return ret;
-}
-
-/*
- * Escapes `.`, `:`, and `\` of `input` with `\`.
- */
-static
-GString *escape_dot_colon(const char *input)
-{
- GString *output = g_string_new(NULL);
- const char *ch;
-
- if (!output) {
- print_err_oom();
- goto end;
- }
-
- for (ch = input; *ch != '\0'; ch++) {
- if (*ch == '\\' || *ch == '.' || *ch == ':') {
- g_string_append_c(output, '\\');
- }
-
- g_string_append_c(output, *ch);
- }
-
-end:
- return output;
-}
-
-/*
- * Appends a --connect option to a list of arguments. `upstream_name`
- * and `downstream_name` are escaped with escape_dot_colon() in this
- * function.
- */
-static
-int append_connect_arg(bt_value *run_args,
- const char *upstream_name, const char *downstream_name)
-{
- int ret = 0;
- GString *e_upstream_name = escape_dot_colon(upstream_name);
- GString *e_downstream_name = escape_dot_colon(downstream_name);
- GString *arg = g_string_new(NULL);
-
- if (!e_upstream_name || !e_downstream_name || !arg) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- ret = bt_value_array_append_string_element(run_args, "--connect");
- if (ret) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
- g_string_append(arg, e_upstream_name->str);
- g_string_append_c(arg, ':');
- g_string_append(arg, e_downstream_name->str);
- ret = bt_value_array_append_string_element(run_args, arg->str);
- if (ret) {
- print_err_oom();
- ret = -1;
- goto end;
- }
-
-end:
- if (arg) {
- g_string_free(arg, TRUE);
- }
-
- if (e_upstream_name) {
- g_string_free(e_upstream_name, TRUE);
- }
-
- if (e_downstream_name) {
- g_string_free(e_downstream_name, TRUE);
- }
-
- return ret;
-}
-
-/*
- * Appends the run command's --connect options for the convert command.
- */
-static
-int convert_auto_connect(bt_value *run_args,
- GList *source_names, GList *filter_names,
- GList *sink_names)
-{
- int ret = 0;
- GList *source_at = source_names;
- GList *filter_at = filter_names;
- GList *filter_prev;
- GList *sink_at = sink_names;
-
- BT_ASSERT(source_names);
- BT_ASSERT(filter_names);
- BT_ASSERT(sink_names);
-
- /* Connect all sources to the first filter */
- for (source_at = source_names; source_at != NULL; source_at = g_list_next(source_at)) {
- GString *source_name = source_at->data;
- GString *filter_name = filter_at->data;
-
- ret = append_connect_arg(run_args, source_name->str,
- filter_name->str);
- if (ret) {
- goto error;
- }
- }
-
- filter_prev = filter_at;
- filter_at = g_list_next(filter_at);
-
- /* Connect remaining filters */
- for (; filter_at != NULL; filter_prev = filter_at, filter_at = g_list_next(filter_at)) {
- GString *filter_name = filter_at->data;
- GString *filter_prev_name = filter_prev->data;
-
- ret = append_connect_arg(run_args, filter_prev_name->str,
- filter_name->str);
- if (ret) {
- goto error;
- }
- }
-
- /* Connect last filter to all sinks */
- for (sink_at = sink_names; sink_at != NULL; sink_at = g_list_next(sink_at)) {
- GString *filter_name = filter_prev->data;
- GString *sink_name = sink_at->data;
-
- ret = append_connect_arg(run_args, filter_name->str,
- sink_name->str);
- if (ret) {
- goto error;
- }
- }
-
- goto end;
-
-error:
- ret = -1;
-
-end:
- return ret;
-}
-
-static
-int split_timerange(const char *arg, char **begin, char **end)
-{
- int ret = 0;
- const char *ch = arg;
- size_t end_pos;
- GString *g_begin = NULL;
- GString *g_end = NULL;
-
- BT_ASSERT(arg);
-
- if (*ch == '[') {
- ch++;
- }
-
- g_begin = bt_common_string_until(ch, "", ",", &end_pos);
- if (!g_begin || ch[end_pos] != ',' || g_begin->len == 0) {
- goto error;
- }
-
- ch += end_pos + 1;
-
- g_end = bt_common_string_until(ch, "", "]", &end_pos);
- if (!g_end || g_end->len == 0) {
- goto error;
- }
-
- BT_ASSERT(begin);
- BT_ASSERT(end);
- *begin = g_begin->str;
- *end = g_end->str;
- g_string_free(g_begin, FALSE);
- g_string_free(g_end, FALSE);
- g_begin = NULL;
- g_end = NULL;
- goto end;
-
-error:
- ret = -1;
-
-end:
- if (g_begin) {
- g_string_free(g_begin, TRUE);
- }
-
- if (g_end) {
- g_string_free(g_end, TRUE);
- }
-
- return ret;
-}
-
-static
-int g_list_prepend_gstring(GList **list, const char *string)
-{
- int ret = 0;
- GString *gs = g_string_new(string);
-
- BT_ASSERT(list);
-
- if (!gs) {
- print_err_oom();
- goto end;
- }
-
- *list = g_list_prepend(*list, gs);
-
-end:
- return ret;
-}
-
-/*
- * Creates a Babeltrace config object from the arguments of a convert
- * command.
- *
- * *retcode is set to the appropriate exit code to use.
- */
-static
-struct bt_config *bt_config_convert_from_args(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths, char *log_level)
-{
- poptContext pc = NULL;
- char *arg = NULL;
- enum bt_config_component_dest cur_comp_dest =
- BT_CONFIG_COMPONENT_DEST_UNKNOWN;
- int opt, ret = 0;
- struct bt_config *cfg = NULL;
- bool got_input_format_opt = false;
- bool got_output_format_opt = false;
- bool trimmer_has_begin = false;
- bool trimmer_has_end = false;
- bool stream_intersection_mode = false;
- GString *cur_name = NULL;
- GString *cur_name_prefix = NULL;
- const char *leftover = NULL;
- bool print_run_args = false;
- bool print_run_args_0 = false;
- bool print_ctf_metadata = false;
- bt_value *run_args = NULL;
- bt_value *all_names = NULL;
- GList *source_names = NULL;
- GList *filter_names = NULL;
- GList *sink_names = NULL;
- bt_value *leftovers = NULL;
- struct implicit_component_args implicit_ctf_input_args = { 0 };
- struct implicit_component_args implicit_ctf_output_args = { 0 };
- struct implicit_component_args implicit_lttng_live_args = { 0 };
- struct implicit_component_args implicit_dummy_args = { 0 };
- struct implicit_component_args implicit_text_args = { 0 };
- struct implicit_component_args implicit_debug_info_args = { 0 };
- struct implicit_component_args implicit_muxer_args = { 0 };
- struct implicit_component_args implicit_trimmer_args = { 0 };
- bt_value *plugin_paths;
- char error_buf[256] = { 0 };
- size_t i;
- struct bt_common_lttng_live_url_parts lttng_live_url_parts = { 0 };
- char *output = NULL;
-
- (void) bt_value_copy(initial_plugin_paths, &plugin_paths);
-
- *retcode = 0;
-
- if (argc <= 1) {
- print_convert_usage(stdout);
- *retcode = -1;
- goto end;
- }
-
- if (init_implicit_component_args(&implicit_ctf_input_args,
- "source.ctf.fs", false)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_ctf_output_args,
- "sink.ctf.fs", false)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_lttng_live_args,
- "source.ctf.lttng-live", false)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_text_args,
- "sink.text.pretty", false)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_dummy_args,
- "sink.utils.dummy", false)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_debug_info_args,
- "filter.lttng-utils.debug-info", false)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_muxer_args,
- "filter.utils.muxer", true)) {
- goto error;
- }
-
- if (init_implicit_component_args(&implicit_trimmer_args,
- "filter.utils.trimmer", false)) {
- goto error;
- }
-
- all_names = bt_value_map_create();
- if (!all_names) {
- print_err_oom();
- goto error;
- }
-
- run_args = bt_value_array_create();
- if (!run_args) {
- print_err_oom();
- goto error;
- }
-
- cur_name = g_string_new(NULL);
- if (!cur_name) {
- print_err_oom();
- goto error;
- }
-
- cur_name_prefix = g_string_new(NULL);
- if (!cur_name_prefix) {
- print_err_oom();
- goto error;
- }
-
- ret = append_env_var_plugin_paths(plugin_paths);
- if (ret) {
- goto error;
- }
-
- leftovers = bt_value_array_create();
- if (!leftovers) {
- print_err_oom();
- goto error;
- }
-
- /*
- * First pass: collect all arguments which need to be passed
- * as is to the run command. This pass can also add --name
- * arguments if needed to automatically name unnamed component
- * instances. Also it does the following transformations:
- *
- * --path=PATH -> --params=path="PATH"
- * --url=URL -> --params=url="URL"
- *
- * Also it appends the plugin paths of --plugin-path to
- * `plugin_paths`.
- */
- pc = poptGetContext(NULL, argc, (const char **) argv,
- convert_long_options, 0);
- if (!pc) {
- printf_err("Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- char *name = NULL;
- char *plugin_name = NULL;
- char *comp_cls_name = NULL;
-
- arg = poptGetOptArg(pc);
-
- switch (opt) {
- case OPT_COMPONENT:
- {
- bt_component_class_type type;
- const char *type_prefix;
-
- /* Append current component's name if needed */
- ret = convert_append_name_param(cur_comp_dest, cur_name,
- cur_name_prefix, run_args, all_names,
- &source_names, &filter_names, &sink_names);
- if (ret) {
- goto error;
- }
-
- /* Parse the argument */
- plugin_comp_cls_names(arg, &name, &plugin_name,
- &comp_cls_name, &type);
- if (!plugin_name || !comp_cls_name) {
- printf_err("Invalid format for --component option's argument:\n %s\n",
- arg);
- goto error;
- }
-
- if (name) {
- g_string_assign(cur_name, name);
- } else {
- g_string_assign(cur_name, "");
- }
-
- switch (type) {
- case BT_COMPONENT_CLASS_TYPE_SOURCE:
- cur_comp_dest = BT_CONFIG_COMPONENT_DEST_SOURCE;
- type_prefix = "source";
- break;
- case BT_COMPONENT_CLASS_TYPE_FILTER:
- cur_comp_dest = BT_CONFIG_COMPONENT_DEST_FILTER;
- type_prefix = "filter";
- break;
- case BT_COMPONENT_CLASS_TYPE_SINK:
- cur_comp_dest = BT_CONFIG_COMPONENT_DEST_SINK;
- type_prefix = "sink";
- break;
- default:
- abort();
- }
-
- if (bt_value_array_append_string_element(run_args,
- "--component")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, arg)) {
- print_err_oom();
- goto error;
- }
-
- g_string_assign(cur_name_prefix, "");
- g_string_append_printf(cur_name_prefix, "%s.%s.%s",
- type_prefix, plugin_name, comp_cls_name);
- free(name);
- free(plugin_name);
- free(comp_cls_name);
- name = NULL;
- plugin_name = NULL;
- comp_cls_name = NULL;
- break;
- }
- case OPT_PARAMS:
- if (cur_name_prefix->len == 0) {
- printf_err("No current component of which to set parameters:\n %s\n",
- arg);
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args,
- "--params")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, arg)) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_PATH:
- if (cur_name_prefix->len == 0) {
- printf_err("No current component of which to set `path` parameter:\n %s\n",
- arg);
- goto error;
- }
-
- if (append_string_parameter_to_args(run_args, "path", arg)) {
- goto error;
- }
- break;
- case OPT_URL:
- if (cur_name_prefix->len == 0) {
- printf_err("No current component of which to set `url` parameter:\n %s\n",
- arg);
- goto error;
- }
-
-
- if (append_string_parameter_to_args(run_args, "url", arg)) {
- goto error;
- }
- break;
- case OPT_NAME:
- if (cur_name_prefix->len == 0) {
- printf_err("No current component to name:\n %s\n",
- arg);
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, "--name")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, arg)) {
- print_err_oom();
- goto error;
- }
-
- g_string_assign(cur_name, arg);
- break;
- case OPT_OMIT_HOME_PLUGIN_PATH:
- force_omit_home_plugin_path = true;
-
- if (bt_value_array_append_string_element(run_args,
- "--omit-home-plugin-path")) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_RETRY_DURATION:
- if (bt_value_array_append_string_element(run_args,
- "--retry-duration")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, arg)) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_OMIT_SYSTEM_PLUGIN_PATH:
- force_omit_system_plugin_path = true;
-
- if (bt_value_array_append_string_element(run_args,
- "--omit-system-plugin-path")) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_PLUGIN_PATH:
- if (bt_config_append_plugin_paths_check_setuid_setgid(
- plugin_paths, arg)) {
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args,
- "--plugin-path")) {
- print_err_oom();
- goto error;
- }
-
- if (bt_value_array_append_string_element(run_args, arg)) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_HELP:
- print_convert_usage(stdout);
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- case OPT_BEGIN:
- case OPT_CLOCK_CYCLES:
- case OPT_CLOCK_DATE:
- case OPT_CLOCK_FORCE_CORRELATE:
- case OPT_CLOCK_GMT:
- case OPT_CLOCK_OFFSET:
- case OPT_CLOCK_OFFSET_NS:
- case OPT_CLOCK_SECONDS:
- case OPT_COLOR:
- case OPT_DEBUG:
- case OPT_DEBUG_INFO:
- case OPT_DEBUG_INFO_DIR:
- case OPT_DEBUG_INFO_FULL_PATH:
- case OPT_DEBUG_INFO_TARGET_PREFIX:
- case OPT_END:
- case OPT_FIELDS:
- case OPT_INPUT_FORMAT:
- case OPT_NAMES:
- case OPT_NO_DELTA:
- case OPT_OUTPUT_FORMAT:
- case OPT_OUTPUT:
- case OPT_RUN_ARGS:
- case OPT_RUN_ARGS_0:
- case OPT_STREAM_INTERSECTION:
- case OPT_TIMERANGE:
- case OPT_VERBOSE:
- /* Ignore in this pass */
- break;
- default:
- printf_err("Unknown command-line option specified (option code %d)\n",
- opt);
- goto error;
- }
-
- free(arg);
- arg = NULL;
- }
-
- /* Append current component's name if needed */
- ret = convert_append_name_param(cur_comp_dest, cur_name,
- cur_name_prefix, run_args, all_names, &source_names,
- &filter_names, &sink_names);
- if (ret) {
- goto error;
- }
-
- /* Check for option parsing error */
- if (opt < -1) {
- printf_err("While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- poptFreeContext(pc);
- free(arg);
- arg = NULL;
-
- /*
- * Second pass: transform the convert-specific options and
- * arguments into implicit component instances for the run
- * command.
- */
- pc = poptGetContext(NULL, argc, (const char **) argv,
- convert_long_options, 0);
- if (!pc) {
- printf_err("Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- arg = poptGetOptArg(pc);
-
- switch (opt) {
- case OPT_BEGIN:
- if (trimmer_has_begin) {
- printf("At --begin option: --begin or --timerange option already specified\n %s\n",
- arg);
- goto error;
- }
-
- trimmer_has_begin = true;
- ret = append_implicit_component_extra_param(
- &implicit_trimmer_args, "begin", arg);
- implicit_trimmer_args.exists = true;
- if (ret) {
- goto error;
- }
- break;
- case OPT_END:
- if (trimmer_has_end) {
- printf("At --end option: --end or --timerange option already specified\n %s\n",
- arg);
- goto error;
- }
-
- trimmer_has_end = true;
- ret = append_implicit_component_extra_param(
- &implicit_trimmer_args, "end", arg);
- implicit_trimmer_args.exists = true;
- if (ret) {
- goto error;
- }
- break;
- case OPT_TIMERANGE:
- {
- char *begin;
- char *end;
-
- if (trimmer_has_begin || trimmer_has_end) {
- printf("At --timerange option: --begin, --end, or --timerange option already specified\n %s\n",
- arg);
- goto error;
- }
-
- ret = split_timerange(arg, &begin, &end);
- if (ret) {
- printf_err("Invalid --timerange option's argument: expecting BEGIN,END or [BEGIN,END]:\n %s\n",
- arg);
- goto error;
- }
-
- ret = append_implicit_component_extra_param(
- &implicit_trimmer_args, "begin", begin);
- ret |= append_implicit_component_extra_param(
- &implicit_trimmer_args, "end", end);
- implicit_trimmer_args.exists = true;
- free(begin);
- free(end);
- if (ret) {
- goto error;
- }
- break;
- }
- case OPT_CLOCK_CYCLES:
- append_implicit_component_param(
- &implicit_text_args, "clock-cycles", "yes");
- implicit_text_args.exists = true;
- break;
- case OPT_CLOCK_DATE:
- append_implicit_component_param(
- &implicit_text_args, "clock-date", "yes");
- implicit_text_args.exists = true;
- break;
- case OPT_CLOCK_FORCE_CORRELATE:
- append_implicit_component_param(
- &implicit_muxer_args,
- "assume-absolute-clock-classes", "yes");
- break;
- case OPT_CLOCK_GMT:
- append_implicit_component_param(
- &implicit_text_args, "clock-gmt", "yes");
- append_implicit_component_param(
- &implicit_trimmer_args, "gmt", "yes");
- implicit_text_args.exists = true;
- break;
- case OPT_CLOCK_OFFSET:
- implicit_ctf_input_args.exists = true;
- append_implicit_component_param(
- &implicit_ctf_input_args,
- "clock-class-offset-s", arg);
- break;
- case OPT_CLOCK_OFFSET_NS:
- implicit_ctf_input_args.exists = true;
- append_implicit_component_param(
- &implicit_ctf_input_args,
- "clock-class-offset-ns", arg);
- break;
- case OPT_CLOCK_SECONDS:
- append_implicit_component_param(
- &implicit_text_args, "clock-seconds", "yes");
- implicit_text_args.exists = true;
- break;
- case OPT_COLOR:
- implicit_text_args.exists = true;
- ret = append_implicit_component_extra_param(
- &implicit_text_args, "color", arg);
- if (ret) {
- goto error;
- }
- break;
- case OPT_DEBUG_INFO:
- implicit_debug_info_args.exists = true;
- break;
- case OPT_DEBUG_INFO_DIR:
- implicit_debug_info_args.exists = true;
- ret = append_implicit_component_extra_param(
- &implicit_debug_info_args, "debug-info-dir", arg);
- if (ret) {
- goto error;
- }
- break;
- case OPT_DEBUG_INFO_FULL_PATH:
- implicit_debug_info_args.exists = true;
- append_implicit_component_param(
- &implicit_debug_info_args, "full-path", "yes");
- break;
- case OPT_DEBUG_INFO_TARGET_PREFIX:
- implicit_debug_info_args.exists = true;
- ret = append_implicit_component_extra_param(
- &implicit_debug_info_args,
- "target-prefix", arg);
- if (ret) {
- goto error;
- }
- break;
- case OPT_FIELDS:
- {
- bt_value *fields = fields_from_arg(arg);
-
- if (!fields) {
- goto error;
- }
-
- implicit_text_args.exists = true;
- ret = insert_flat_params_from_array(
- implicit_text_args.params_arg,
- fields, "field");
- bt_value_put_ref(fields);
- if (ret) {
- goto error;
- }
- break;
- }
- case OPT_NAMES:
- {
- bt_value *names = names_from_arg(arg);
-
- if (!names) {
- goto error;
- }
-
- implicit_text_args.exists = true;
- ret = insert_flat_params_from_array(
- implicit_text_args.params_arg,
- names, "name");
- bt_value_put_ref(names);
- if (ret) {
- goto error;
- }
- break;
- }
- case OPT_NO_DELTA:
- append_implicit_component_param(
- &implicit_text_args, "no-delta", "yes");
- implicit_text_args.exists = true;
- break;
- case OPT_INPUT_FORMAT:
- if (got_input_format_opt) {
- printf_err("Duplicate --input-format option\n");
- goto error;
- }
-
- got_input_format_opt = true;
-
- if (strcmp(arg, "ctf") == 0) {
- implicit_ctf_input_args.exists = true;
- } else if (strcmp(arg, "lttng-live") == 0) {
- implicit_lttng_live_args.exists = true;
- } else {
- printf_err("Unknown legacy input format:\n %s\n",
- arg);
- goto error;
- }
- break;
- case OPT_OUTPUT_FORMAT:
- if (got_output_format_opt) {
- printf_err("Duplicate --output-format option\n");
- goto error;
- }
-
- got_output_format_opt = true;
-
- if (strcmp(arg, "text") == 0) {
- implicit_text_args.exists = true;
- } else if (strcmp(arg, "ctf") == 0) {
- implicit_ctf_output_args.exists = true;
- } else if (strcmp(arg, "dummy") == 0) {
- implicit_dummy_args.exists = true;
- } else if (strcmp(arg, "ctf-metadata") == 0) {
- print_ctf_metadata = true;
- } else {
- printf_err("Unknown legacy output format:\n %s\n",
- arg);
- goto error;
- }
- break;
- case OPT_OUTPUT:
- if (output) {
- printf_err("Duplicate --output option\n");
- goto error;
- }
-
- output = strdup(arg);
- if (!output) {
- print_err_oom();
- goto error;
- }
- break;
- case OPT_RUN_ARGS:
- if (print_run_args_0) {
- printf_err("Cannot specify --run-args and --run-args-0\n");
- goto error;
- }
-
- print_run_args = true;
- break;
- case OPT_RUN_ARGS_0:
- if (print_run_args) {
- printf_err("Cannot specify --run-args and --run-args-0\n");
- goto error;
- }
-
- print_run_args_0 = true;
- break;
- case OPT_STREAM_INTERSECTION:
- /*
- * Applies to all traces implementing the trace-info
- * query.
- */
- stream_intersection_mode = true;
- break;
- case OPT_VERBOSE:
- if (*log_level != 'V' && *log_level != 'D') {
- *log_level = 'I';
- }
- break;
- case OPT_DEBUG:
- *log_level = 'V';
- break;
- }
-
- free(arg);
- arg = NULL;
- }
-
- /* Check for option parsing error */
- if (opt < -1) {
- printf_err("While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- /*
- * Legacy behaviour: --verbose used to make the `text` output
- * format print more information. --verbose is now equivalent to
- * the INFO log level, which is why we compare to 'I' here.
- */
- if (*log_level == 'I') {
- append_implicit_component_param(&implicit_text_args,
- "verbose", "yes");
- }
-
- /*
- * Append home and system plugin paths now that we possibly got
- * --plugin-path.
- */
- if (append_home_and_system_plugin_paths(plugin_paths,
- force_omit_system_plugin_path,
- force_omit_home_plugin_path)) {
- goto error;
- }
-
- /* Consume and keep leftover arguments */
- while ((leftover = poptGetArg(pc))) {
- bt_value_status status = bt_value_array_append_string_element(leftovers, leftover);
- if (status != BT_VALUE_STATUS_OK) {
- print_err_oom();
- goto error;
- }
- }
-
- /* Print CTF metadata or print LTTng live sessions */
- if (print_ctf_metadata) {
- const bt_value *bt_val_leftover;
-
- if (bt_value_array_is_empty(leftovers)) {
- printf_err("--output-format=ctf-metadata specified without a path\n");
- goto error;
- }
-
- if (bt_value_array_get_size(leftovers) > 1) {
- printf_err("Too many paths specified for --output-format=ctf-metadata\n");
- goto error;
- }
-
- cfg = bt_config_print_ctf_metadata_create(plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- bt_val_leftover = bt_value_array_borrow_element_by_index_const(leftovers, 0);
- g_string_assign(cfg->cmd_data.print_ctf_metadata.path,
- bt_value_string_get(bt_val_leftover));
-
- if (output) {
- g_string_assign(
- cfg->cmd_data.print_ctf_metadata.output_path,
- output);
- }
-
- goto end;
- }
-
- /*
- * If -o ctf was specified, make sure an output path (--output)
- * was also specified. --output does not imply -o ctf because
- * it's also used for the default, implicit -o text if -o ctf
- * is not specified.
- */
- if (implicit_ctf_output_args.exists) {
- if (!output) {
- printf_err("--output-format=ctf specified without --output (trace output path)\n");
- goto error;
- }
-
- /*
- * At this point we know that -o ctf AND --output were
- * specified. Make sure that no options were specified
- * which would imply -o text because --output would be
- * ambiguous in this case. For example, this is wrong:
- *
- * babeltrace --names=all -o ctf --output=/tmp/path my-trace
- *
- * because --names=all implies -o text, and --output
- * could apply to both the sink.text.pretty and
- * sink.ctf.fs implicit components.
- */
- if (implicit_text_args.exists) {
- printf_err("Ambiguous --output option: --output-format=ctf specified but another option implies --output-format=text\n");
- goto error;
- }
- }
-
- /*
- * If -o dummy and -o ctf were not specified, and if there are
- * no explicit sink components, then use an implicit
- * `sink.text.pretty` component.
- */
- if (!implicit_dummy_args.exists && !implicit_ctf_output_args.exists &&
- !sink_names) {
- implicit_text_args.exists = true;
- }
-
- /*
- * Set implicit `sink.text.pretty` or `sink.ctf.fs` component's
- * `path` parameter if --output was specified.
- */
- if (output) {
- if (implicit_text_args.exists) {
- append_implicit_component_extra_param(&implicit_text_args,
- "path", output);
- } else if (implicit_ctf_output_args.exists) {
- append_implicit_component_extra_param(&implicit_ctf_output_args,
- "path", output);
- }
- }
-
- /* Decide where the leftover argument(s) go */
- if (bt_value_array_get_size(leftovers) > 0) {
- if (implicit_lttng_live_args.exists) {
- const bt_value *bt_val_leftover;
-
- if (bt_value_array_get_size(leftovers) > 1) {
- printf_err("Too many URLs specified for --output-format=lttng-live\n");
- goto error;
- }
-
- bt_val_leftover = bt_value_array_borrow_element_by_index_const(leftovers, 0);
- lttng_live_url_parts =
- bt_common_parse_lttng_live_url(bt_value_string_get(bt_val_leftover),
- error_buf, sizeof(error_buf));
- if (!lttng_live_url_parts.proto) {
- printf_err("Invalid LTTng live URL format: %s\n",
- error_buf);
- goto error;
- }
-
- if (!lttng_live_url_parts.session_name) {
- /* Print LTTng live sessions */
- cfg = bt_config_print_lttng_live_sessions_create(
- plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- g_string_assign(cfg->cmd_data.print_lttng_live_sessions.url,
- bt_value_string_get(bt_val_leftover));
-
- if (output) {
- g_string_assign(
- cfg->cmd_data.print_lttng_live_sessions.output_path,
- output);
- }
-
- goto end;
- }
-
- ret = append_implicit_component_extra_param(
- &implicit_lttng_live_args, "url",
- bt_value_string_get(bt_val_leftover));
- if (ret) {
- goto error;
- }
-
- ret = append_implicit_component_extra_param(
- &implicit_lttng_live_args,
- "session-not-found-action", "end");
- if (ret) {
- goto error;
- }
- } else {
- /*
- * Create one source.ctf.fs component, pass it an array
- * with the leftovers.
- * Note that it still has to be named later.
- */
- implicit_ctf_input_args.exists = true;
- ret = append_parameter_to_args(implicit_ctf_input_args.extra_params,
- "paths", leftovers);
- if (ret) {
- goto error;
- }
- }
- }
-
- /*
- * Ensure mutual exclusion between implicit `source.ctf.fs` and
- * `source.ctf.lttng-live` components.
- */
- if (implicit_ctf_input_args.exists && implicit_lttng_live_args.exists) {
- printf_err("Cannot create both implicit `%s` and `%s` components\n",
- implicit_ctf_input_args.comp_arg->str,
- implicit_lttng_live_args.comp_arg->str);
- goto error;
- }
-
- /*
- * If the implicit `source.ctf.fs` or `source.ctf.lttng-live`
- * components exists, make sure there's at least one leftover
- * (which is the path or URL).
- */
- if (implicit_ctf_input_args.exists && bt_value_array_is_empty(leftovers)) {
- printf_err("Missing path for implicit `%s` component\n",
- implicit_ctf_input_args.comp_arg->str);
- goto error;
- }
-
- if (implicit_lttng_live_args.exists && bt_value_array_is_empty(leftovers)) {
- printf_err("Missing URL for implicit `%s` component\n",
- implicit_lttng_live_args.comp_arg->str);
- goto error;
- }
-
- /* Assign names to implicit components */
- ret = assign_name_to_implicit_component(&implicit_ctf_input_args,
- "source-ctf-fs", all_names, &source_names, true);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_lttng_live_args,
- "lttng-live", all_names, &source_names, true);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_text_args,
- "pretty", all_names, &sink_names, true);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_ctf_output_args,
- "sink-ctf-fs", all_names, &sink_names, true);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_dummy_args,
- "dummy", all_names, &sink_names, true);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_muxer_args,
- "muxer", all_names, NULL, false);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_trimmer_args,
- "trimmer", all_names, NULL, false);
- if (ret) {
- goto error;
- }
-
- ret = assign_name_to_implicit_component(&implicit_debug_info_args,
- "debug-info", all_names, NULL, false);
- if (ret) {
- goto error;
- }
-
- /* Make sure there's at least one source and one sink */
- if (!source_names) {
- printf_err("No source component\n");
- goto error;
- }
-
- if (!sink_names) {
- printf_err("No sink component\n");
- goto error;
- }
-
- /*
- * Prepend the muxer, the trimmer, and the debug info to the
- * filter chain so that we have:
- *
- * sources -> muxer -> [trimmer] -> [debug info] ->
- * [user filters] -> sinks
- */
- if (implicit_debug_info_args.exists) {
- if (g_list_prepend_gstring(&filter_names,
- implicit_debug_info_args.name_arg->str)) {
- goto error;
- }
- }
-
- if (implicit_trimmer_args.exists) {
- if (g_list_prepend_gstring(&filter_names,
- implicit_trimmer_args.name_arg->str)) {
- goto error;
- }
- }
-
- if (g_list_prepend_gstring(&filter_names,
- implicit_muxer_args.name_arg->str)) {
- goto error;
- }
-
- /*
- * Append the equivalent run arguments for the implicit
- * components.
- */
- ret = append_run_args_for_implicit_component(&implicit_ctf_input_args, run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_lttng_live_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_text_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_ctf_output_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_dummy_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_muxer_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_trimmer_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- ret = append_run_args_for_implicit_component(&implicit_debug_info_args,
- run_args);
- if (ret) {
- goto error;
- }
-
- /* Auto-connect components */
- ret = convert_auto_connect(run_args, source_names, filter_names,
- sink_names);
- if (ret) {
- printf_err("Cannot auto-connect components\n");
- goto error;
- }
-
- /*
- * We have all the run command arguments now. Depending on
- * --run-args, we pass this to the run command or print them
- * here.
- */
- if (print_run_args || print_run_args_0) {
- if (stream_intersection_mode) {
- printf_err("Cannot specify --stream-intersection with --run-args or --run-args-0\n");
- goto error;
- }
-
- for (i = 0; i < bt_value_array_get_size(run_args); i++) {
- const bt_value *arg_value =
- bt_value_array_borrow_element_by_index(run_args,
- i);
- const char *arg;
- GString *quoted = NULL;
- const char *arg_to_print;
-
- BT_ASSERT(arg_value);
- arg = bt_value_string_get(arg_value);
-
- if (print_run_args) {
- quoted = bt_common_shell_quote(arg, true);
- if (!quoted) {
- goto error;
- }
-
- arg_to_print = quoted->str;
- } else {
- arg_to_print = arg;
- }
-
- printf("%s", arg_to_print);
-
- if (quoted) {
- g_string_free(quoted, TRUE);
- }
-
- if (i < bt_value_array_get_size(run_args) - 1) {
- if (print_run_args) {
- putchar(' ');
- } else {
- putchar('\0');
- }
- }
- }
-
- *retcode = -1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- goto end;
- }
-
- cfg = bt_config_run_from_args_array(run_args, retcode,
- force_omit_system_plugin_path,
- force_omit_home_plugin_path,
- initial_plugin_paths);
- if (!cfg) {
- goto error;
- }
-
- cfg->cmd_data.run.stream_intersection_mode = stream_intersection_mode;
- goto end;
-
-error:
- *retcode = 1;
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
-
-end:
- if (pc) {
- poptFreeContext(pc);
- }
-
- free(arg);
- free(output);
-
- if (cur_name) {
- g_string_free(cur_name, TRUE);
- }
-
- if (cur_name_prefix) {
- g_string_free(cur_name_prefix, TRUE);
- }
-
- bt_value_put_ref(run_args);
- bt_value_put_ref(all_names);
- destroy_glist_of_gstring(source_names);
- destroy_glist_of_gstring(filter_names);
- destroy_glist_of_gstring(sink_names);
- bt_value_put_ref(leftovers);
- finalize_implicit_component_args(&implicit_ctf_input_args);
- finalize_implicit_component_args(&implicit_ctf_output_args);
- finalize_implicit_component_args(&implicit_lttng_live_args);
- finalize_implicit_component_args(&implicit_dummy_args);
- finalize_implicit_component_args(&implicit_text_args);
- finalize_implicit_component_args(&implicit_debug_info_args);
- finalize_implicit_component_args(&implicit_muxer_args);
- finalize_implicit_component_args(&implicit_trimmer_args);
- bt_value_put_ref(plugin_paths);
- bt_common_destroy_lttng_live_url_parts(<tng_live_url_parts);
- return cfg;
-}
-
-/*
- * Prints the Babeltrace 2.x general usage.
- */
-static
-void print_gen_usage(FILE *fp)
-{
- fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] [COMMAND] [COMMAND ARGUMENTS]\n");
- fprintf(fp, "\n");
- fprintf(fp, "General options:\n");
- fprintf(fp, "\n");
- fprintf(fp, " -d, --debug Enable debug mode (same as --log-level=V)\n");
- fprintf(fp, " -h, --help Show this help and quit\n");
- fprintf(fp, " -l, --log-level=LVL Set all log levels to LVL (`N`, `V`, `D`,\n");
- fprintf(fp, " `I`, `W` (default), `E`, or `F`)\n");
- fprintf(fp, " -v, --verbose Enable verbose mode (same as --log-level=I)\n");
- fprintf(fp, " -V, --version Show version and quit\n");
- fprintf(fp, "\n");
- fprintf(fp, "Available commands:\n");
- fprintf(fp, "\n");
- fprintf(fp, " convert Convert and trim traces (default)\n");
- fprintf(fp, " help Get help for a plugin or a component class\n");
- fprintf(fp, " list-plugins List available plugins and their content\n");
- fprintf(fp, " query Query objects from a component class\n");
- fprintf(fp, " run Build a processing graph and run it\n");
- fprintf(fp, "\n");
- fprintf(fp, "Use `babeltrace COMMAND --help` to show the help of COMMAND.\n");
-}
-
-static
-char log_level_from_arg(const char *arg)
-{
- char level = 'U';
-
- if (strcmp(arg, "VERBOSE") == 0 ||
- strcmp(arg, "V") == 0) {
- level = 'V';
- } else if (strcmp(arg, "DEBUG") == 0 ||
- strcmp(arg, "D") == 0) {
- level = 'D';
- } else if (strcmp(arg, "INFO") == 0 ||
- strcmp(arg, "I") == 0) {
- level = 'I';
- } else if (strcmp(arg, "WARN") == 0 ||
- strcmp(arg, "WARNING") == 0 ||
- strcmp(arg, "W") == 0) {
- level = 'W';
- } else if (strcmp(arg, "ERROR") == 0 ||
- strcmp(arg, "E") == 0) {
- level = 'E';
- } else if (strcmp(arg, "FATAL") == 0 ||
- strcmp(arg, "F") == 0) {
- level = 'F';
- } else if (strcmp(arg, "NONE") == 0 ||
- strcmp(arg, "N") == 0) {
- level = 'N';
- }
-
- return level;
-}
-
-struct bt_config *bt_config_cli_args_create(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths)
-{
- struct bt_config *config = NULL;
- int i;
- const char **command_argv = NULL;
- int command_argc = -1;
- const char *command_name = NULL;
- char log_level = 'U';
-
- enum command_type {
- COMMAND_TYPE_NONE = -1,
- COMMAND_TYPE_RUN = 0,
- COMMAND_TYPE_CONVERT,
- COMMAND_TYPE_LIST_PLUGINS,
- COMMAND_TYPE_HELP,
- COMMAND_TYPE_QUERY,
- } command_type = COMMAND_TYPE_NONE;
-
- *retcode = -1;
-
- if (!initial_plugin_paths) {
- initial_plugin_paths = bt_value_array_create();
- if (!initial_plugin_paths) {
- *retcode = 1;
- goto end;
- }
- } else {
- bt_value_get_ref(initial_plugin_paths);
- }
-
- if (argc <= 1) {
- print_version();
- puts("");
- print_gen_usage(stdout);
- goto end;
- }
-
- for (i = 1; i < argc; i++) {
- const char *cur_arg = argv[i];
- const char *next_arg = i == (argc - 1) ? NULL : argv[i + 1];
-
- if (strcmp(cur_arg, "-d") == 0 ||
- strcmp(cur_arg, "--debug") == 0) {
- log_level = 'V';
- } else if (strcmp(cur_arg, "-v") == 0 ||
- strcmp(cur_arg, "--verbose") == 0) {
- if (log_level != 'V' && log_level != 'D') {
- /*
- * Legacy: do not override a previous
- * --debug because --verbose and --debug
- * can be specified together (in this
- * case we want the lowest log level to
- * apply, VERBOSE).
- */
- log_level = 'I';
- }
- } else if (strcmp(cur_arg, "--log-level") == 0 ||
- strcmp(cur_arg, "-l") == 0) {
- if (!next_arg) {
- printf_err("Missing log level value for --log-level option\n");
- *retcode = 1;
- goto end;
- }
-
- log_level = log_level_from_arg(next_arg);
- if (log_level == 'U') {
- printf_err("Invalid argument for --log-level option:\n %s\n",
- next_arg);
- *retcode = 1;
- goto end;
- }
-
- i++;
- } else if (strncmp(cur_arg, "--log-level=", 12) == 0) {
- const char *arg = &cur_arg[12];
-
- log_level = log_level_from_arg(arg);
- if (log_level == 'U') {
- printf_err("Invalid argument for --log-level option:\n %s\n",
- arg);
- *retcode = 1;
- goto end;
- }
- } else if (strncmp(cur_arg, "-l", 2) == 0) {
- const char *arg = &cur_arg[2];
-
- log_level = log_level_from_arg(arg);
- if (log_level == 'U') {
- printf_err("Invalid argument for --log-level option:\n %s\n",
- arg);
- *retcode = 1;
- goto end;
- }
- } else if (strcmp(cur_arg, "-V") == 0 ||
- strcmp(cur_arg, "--version") == 0) {
- print_version();
- goto end;
- } else if (strcmp(cur_arg, "-h") == 0 ||
- strcmp(cur_arg, "--help") == 0) {
- print_gen_usage(stdout);
- goto end;
- } else {
- /*
- * First unknown argument: is it a known command
- * name?
- */
- command_argv = &argv[i];
- command_argc = argc - i;
-
- if (strcmp(cur_arg, "convert") == 0) {
- command_type = COMMAND_TYPE_CONVERT;
- } else if (strcmp(cur_arg, "list-plugins") == 0) {
- command_type = COMMAND_TYPE_LIST_PLUGINS;
- } else if (strcmp(cur_arg, "help") == 0) {
- command_type = COMMAND_TYPE_HELP;
- } else if (strcmp(cur_arg, "query") == 0) {
- command_type = COMMAND_TYPE_QUERY;
- } else if (strcmp(cur_arg, "run") == 0) {
- command_type = COMMAND_TYPE_RUN;
- } else {
- /*
- * Unknown argument, but not a known
- * command name: assume the default
- * `convert` command.
- */
- command_type = COMMAND_TYPE_CONVERT;
- command_name = "convert";
- command_argv = &argv[i - 1];
- command_argc = argc - i + 1;
- }
- break;
- }
- }
-
- if (command_type == COMMAND_TYPE_NONE) {
- /*
- * We only got non-help, non-version general options
- * like --verbose and --debug, without any other
- * arguments, so we can't do anything useful: print the
- * usage and quit.
- */
- print_gen_usage(stdout);
- goto end;
- }
-
- BT_ASSERT(command_argv);
- BT_ASSERT(command_argc >= 0);
-
- switch (command_type) {
- case COMMAND_TYPE_RUN:
- config = bt_config_run_from_args(command_argc, command_argv,
- retcode, force_omit_system_plugin_path,
- force_omit_home_plugin_path, initial_plugin_paths);
- break;
- case COMMAND_TYPE_CONVERT:
- config = bt_config_convert_from_args(command_argc, command_argv,
- retcode, force_omit_system_plugin_path,
- force_omit_home_plugin_path,
- initial_plugin_paths, &log_level);
- break;
- case COMMAND_TYPE_LIST_PLUGINS:
- config = bt_config_list_plugins_from_args(command_argc,
- command_argv, retcode, force_omit_system_plugin_path,
- force_omit_home_plugin_path, initial_plugin_paths);
- break;
- case COMMAND_TYPE_HELP:
- config = bt_config_help_from_args(command_argc,
- command_argv, retcode, force_omit_system_plugin_path,
- force_omit_home_plugin_path, initial_plugin_paths);
- break;
- case COMMAND_TYPE_QUERY:
- config = bt_config_query_from_args(command_argc,
- command_argv, retcode, force_omit_system_plugin_path,
- force_omit_home_plugin_path, initial_plugin_paths);
- break;
- default:
- abort();
- }
-
- if (config) {
- if (log_level == 'U') {
- log_level = 'W';
- }
-
- config->log_level = log_level;
- config->command_name = command_name;
- }
-
-end:
- bt_value_put_ref(initial_plugin_paths);
- return config;
-}
+++ /dev/null
-#ifndef CLI_BABELTRACE_CFG_CLI_ARGS_H
-#define CLI_BABELTRACE_CFG_CLI_ARGS_H
-
-/*
- * Copyright 2016-2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <babeltrace/value.h>
-#include <babeltrace/object-internal.h>
-#include <babeltrace/compiler-internal.h>
-#include <babeltrace/graph/component-class.h>
-#include <glib.h>
-
-#include "babeltrace-cfg.h"
-
-struct bt_config *bt_config_cli_args_create(int argc, const char *argv[],
- int *retcode, bool force_omit_system_plugin_path,
- bool force_omit_home_plugin_path,
- const bt_value *initial_plugin_paths);
-
-#endif /* CLI_BABELTRACE_CFG_CLI_ARGS_H */
+++ /dev/null
-/*
- * Babeltrace trace converter - parameter parsing
- *
- * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <babeltrace/common-internal.h>
-#include <babeltrace/babeltrace.h>
-#include <glib.h>
-#include "babeltrace-cfg.h"
-
-static
-void destroy_gstring(void *data)
-{
- g_string_free(data, TRUE);
-}
-
-/*
- * Extracts the various paths from the string arg, delimited by ':',
- * and appends them to the array value object plugin_paths.
- */
-int bt_config_append_plugin_paths(
- bt_value *plugin_paths, const char *arg)
-{
- int ret = 0;
- GPtrArray *dirs = g_ptr_array_new_with_free_func(destroy_gstring);
- size_t i;
-
- if (!dirs) {
- ret = -1;
- goto end;
- }
-
- ret = bt_common_append_plugin_path_dirs(arg, dirs);
- if (ret) {
- ret = -1;
- goto end;
- }
-
- for (i = 0; i < dirs->len; i++) {
- GString *dir = g_ptr_array_index(dirs, i);
-
- ret = bt_value_array_append_string_element(
- plugin_paths, dir->str);
- if (ret != BT_VALUE_STATUS_OK) {
- ret = -1;
- goto end;
- }
- }
-
-end:
- g_ptr_array_free(dirs, TRUE);
- return ret;
-}
-
-void bt_config_connection_destroy(struct bt_config_connection *connection)
-{
- if (!connection) {
- return;
- }
-
- if (connection->upstream_comp_name) {
- g_string_free(connection->upstream_comp_name, TRUE);
- }
-
- if (connection->downstream_comp_name) {
- g_string_free(connection->downstream_comp_name, TRUE);
- }
-
- if (connection->upstream_port_glob) {
- g_string_free(connection->upstream_port_glob, TRUE);
- }
-
- if (connection->downstream_port_glob) {
- g_string_free(connection->downstream_port_glob, TRUE);
- }
-
- if (connection->arg) {
- g_string_free(connection->arg, TRUE);
- }
-
- g_free(connection);
-}
+++ /dev/null
-#ifndef CLI_BABELTRACE_CFG_H
-#define CLI_BABELTRACE_CFG_H
-
-/*
- * Babeltrace trace converter - CLI tool's configuration
- *
- * Copyright 2016-2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdbool.h>
-#include <babeltrace/value.h>
-#include <babeltrace/object-internal.h>
-#include <babeltrace/compiler-internal.h>
-#include <babeltrace/graph/component-class.h>
-#include <glib.h>
-
-enum bt_config_command {
- BT_CONFIG_COMMAND_RUN,
- BT_CONFIG_COMMAND_PRINT_CTF_METADATA,
- BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS,
- BT_CONFIG_COMMAND_LIST_PLUGINS,
- BT_CONFIG_COMMAND_HELP,
- BT_CONFIG_COMMAND_QUERY,
-};
-
-struct bt_config_component {
- bt_object base;
- bt_component_class_type type;
- GString *plugin_name;
- GString *comp_cls_name;
- bt_value *params;
- GString *instance_name;
-};
-
-struct bt_config_connection {
- GString *upstream_comp_name;
- GString *downstream_comp_name;
- GString *upstream_port_glob;
- GString *downstream_port_glob;
- GString *arg;
-};
-
-struct bt_config {
- bt_object base;
- bool debug;
- bool verbose;
- bt_value *plugin_paths;
- bool omit_system_plugin_path;
- bool omit_home_plugin_path;
- bool command_needs_plugins;
- const char *command_name;
- char log_level;
- enum bt_config_command command;
- union {
- /* BT_CONFIG_COMMAND_RUN */
- struct {
- /* Array of pointers to struct bt_config_component */
- GPtrArray *sources;
-
- /* Array of pointers to struct bt_config_component */
- GPtrArray *filters;
-
- /* Array of pointers to struct bt_config_component */
- GPtrArray *sinks;
-
- /* Array of pointers to struct bt_config_connection */
- GPtrArray *connections;
-
- /*
- * Number of microseconds to sleep when we need
- * to retry to run the graph.
- */
- uint64_t retry_duration_us;
-
- /*
- * Whether or not to trim the source trace to the
- * intersection of its streams.
- */
- bool stream_intersection_mode;
- } run;
-
- /* BT_CONFIG_COMMAND_HELP */
- struct {
- struct bt_config_component *cfg_component;
- } help;
-
- /* BT_CONFIG_COMMAND_QUERY */
- struct {
- GString *object;
- struct bt_config_component *cfg_component;
- } query;
-
- /* BT_CONFIG_COMMAND_PRINT_CTF_METADATA */
- struct {
- GString *path;
- GString *output_path;
- } print_ctf_metadata;
-
- /* BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS */
- struct {
- GString *url;
- GString *output_path;
- } print_lttng_live_sessions;
- } cmd_data;
-};
-
-static inline
-struct bt_config_component *bt_config_get_component(GPtrArray *array,
- size_t index)
-{
- struct bt_config_component *comp = g_ptr_array_index(array, index);
-
- bt_object_get_ref(comp);
- return comp;
-}
-
-int bt_config_append_plugin_paths(bt_value *plugin_paths,
- const char *arg);
-
-void bt_config_connection_destroy(struct bt_config_connection *connection);
-
-#endif /* CLI_BABELTRACE_CFG_H */
+++ /dev/null
-/*
- * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdbool.h>
-#include <string.h>
-#include <babeltrace/assert-internal.h>
-#include <babeltrace/babeltrace.h>
-#include <popt.h>
-#include <glib.h>
-
-static
-void print_usage(FILE *fp)
-{
- fprintf(stderr, "Usage: babeltrace-log [OPTIONS] OUTPUT-PATH\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "Options:\n");
- fprintf(stderr, "\n");
- fprintf(stderr, " -t, --with-timestamps Extract timestamps from lines and map them to\n");
- fprintf(stderr, " a CTF clock class\n");
-}
-
-static
-int parse_params(int argc, char *argv[], char **output_path,
- bool *no_extract_ts)
-{
- enum {
- OPT_WITH_TIMESTAMPS = 1,
- OPT_HELP = 2,
- };
- static struct poptOption opts[] = {
- { "with-timestamps", 't', POPT_ARG_NONE, NULL, OPT_WITH_TIMESTAMPS, NULL, NULL },
- { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
- { NULL, '\0', 0, NULL, 0, NULL, NULL },
- };
- poptContext pc = NULL;
- int opt;
- int ret = 0;
- const char *leftover;
-
- *no_extract_ts = true;
- pc = poptGetContext(NULL, argc, (const char **) argv, opts, 0);
- if (!pc) {
- fprintf(stderr, "Cannot get popt context\n");
- goto error;
- }
-
- poptReadDefaultConfig(pc, 0);
-
- while ((opt = poptGetNextOpt(pc)) > 0) {
- switch (opt) {
- case OPT_HELP:
- print_usage(stdout);
- goto end;
- case OPT_WITH_TIMESTAMPS:
- *no_extract_ts = false;
- break;
- default:
- fprintf(stderr, "Unknown command-line option specified (option code %d)\n",
- opt);
- goto error;
- }
- }
-
- if (opt < -1) {
- fprintf(stderr, "While parsing command-line options, at option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- goto error;
- }
-
- leftover = poptGetArg(pc);
- if (!leftover) {
- fprintf(stderr, "Command line error: Missing output path\n");
- print_usage(stderr);
- goto error;
- }
-
- *output_path = strdup(leftover);
- BT_ASSERT(*output_path);
- goto end;
-
-error:
- ret = 1;
-
-end:
- if (pc) {
- poptFreeContext(pc);
- }
-
- return ret;
-}
-
-int main(int argc, char *argv[])
-{
- char *output_path = NULL;
- bool no_extract_ts;
- int retcode;
- GError *error = NULL;
- gchar *bt_argv[] = {
- BT_CLI_PATH,
- "run",
- "--component",
- "dmesg:src.text.dmesg",
- "--params",
- NULL, /* no-extract-timestamp=? placeholder */
- "--component",
- "ctf:sink.ctf.fs",
- "--key",
- "path",
- "--value",
- NULL, /* output path placeholder */
- "--params",
- "single-trace=yes",
- "--connect",
- "dmesg:ctf",
- NULL, /* sentinel */
- };
-
- retcode = parse_params(argc, argv, &output_path, &no_extract_ts);
- if (retcode) {
- goto end;
- }
-
- if (no_extract_ts) {
- bt_argv[5] = "no-extract-timestamp=yes";
- } else {
- bt_argv[5] = "no-extract-timestamp=no";
- }
-
- bt_argv[11] = output_path;
- (void) g_spawn_sync(NULL, bt_argv, NULL,
- G_SPAWN_CHILD_INHERITS_STDIN, NULL, NULL,
- NULL, NULL, &retcode, &error);
-
- if (error) {
- fprintf(stderr, "Failed to execute \"%s\": %s (%d)\n",
- bt_argv[0], error->message, error->code);
- }
-
-end:
- free(output_path);
-
- if (error) {
- g_error_free(error);
- }
-
- return retcode;
-}
+++ /dev/null
-/*
- * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
- *
- * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#define BT_LOG_TAG "CLI"
-#include "logging.h"
-
-#include <babeltrace/babeltrace.h>
-#include <babeltrace/common-internal.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <popt.h>
-#include <string.h>
-#include <stdio.h>
-#include <glib.h>
-#include <inttypes.h>
-#include <unistd.h>
-#include <signal.h>
-#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-cli-args.h"
-#include "babeltrace-cfg-cli-args-default.h"
-
-#define ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH "BABELTRACE_CLI_WARN_COMMAND_NAME_DIRECTORY_CLASH"
-#define ENV_BABELTRACE_CLI_LOG_LEVEL "BABELTRACE_CLI_LOG_LEVEL"
-#define NSEC_PER_SEC 1000000000LL
-
-/*
- * Known environment variable names for the log levels of the project's
- * modules.
- */
-static const char* log_level_env_var_names[] = {
- "BABELTRACE_COMMON_LOG_LEVEL",
- "BABELTRACE_COMPAT_LOG_LEVEL",
- "BABELTRACE_CTFSER_LOG_LEVEL",
- "BABELTRACE_FD_CACHE_LOG_LEVEL",
- "BABELTRACE_FLT_LTTNG_UTILS_DEBUG_INFO_LOG_LEVEL",
- "BABELTRACE_FLT_UTILS_COUNTER_LOG_LEVEL",
- "BABELTRACE_FLT_UTILS_MUXER_LOG_LEVEL",
- "BABELTRACE_FLT_UTILS_TRIMMER_LOG_LEVEL",
- "BABELTRACE_PLUGIN_CTF_BFCR_LOG_LEVEL",
- "BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
- "BABELTRACE_PLUGIN_CTF_MSG_ITER_LOG_LEVEL",
- "BABELTRACE_PLUGIN_CTF_UTILS_LOG_LEVEL",
- "BABELTRACE_PYTHON_BT2_LOG_LEVEL",
- "BABELTRACE_SINK_CTF_FS_LOG_LEVEL",
- "BABELTRACE_SINK_TEXT_PRETTY_LOG_LEVEL",
- "BABELTRACE_SRC_CTF_FS_LOG_LEVEL",
- "BABELTRACE_SRC_CTF_LTTNG_LIVE_LOG_LEVEL",
- "BABELTRACE_SRC_TEXT_DMESG_LOG_LEVEL",
- NULL,
-};
-
-/* Application's processing graph (weak) */
-static bt_graph *the_graph;
-static bt_query_executor *the_query_executor;
-static bool canceled = false;
-
-GPtrArray *loaded_plugins;
-
-#ifdef __MINGW32__
-
-#include <windows.h>
-
-static
-BOOL WINAPI signal_handler(DWORD signal) {
- if (the_graph) {
- bt_graph_cancel(the_graph);
- }
-
- canceled = true;
-
- return TRUE;
-}
-
-static
-void set_signal_handler(void)
-{
- if (!SetConsoleCtrlHandler(signal_handler, TRUE)) {
- BT_LOGE("Failed to set the ctrl+c handler.");
- }
-}
-
-#else /* __MINGW32__ */
-
-static
-void signal_handler(int signum)
-{
- if (signum != SIGINT) {
- return;
- }
-
- if (the_graph) {
- bt_graph_cancel(the_graph);
- }
-
- if (the_query_executor) {
- bt_query_executor_cancel(the_query_executor);
- }
-
- canceled = true;
-}
-
-static
-void set_signal_handler(void)
-{
- struct sigaction new_action, old_action;
-
- new_action.sa_handler = signal_handler;
- sigemptyset(&new_action.sa_mask);
- new_action.sa_flags = 0;
- sigaction(SIGINT, NULL, &old_action);
-
- if (old_action.sa_handler != SIG_IGN) {
- sigaction(SIGINT, &new_action, NULL);
- }
-}
-
-#endif /* __MINGW32__ */
-
-static
-void init_static_data(void)
-{
- loaded_plugins = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_object_put_ref);
-}
-
-static
-void fini_static_data(void)
-{
- g_ptr_array_free(loaded_plugins, TRUE);
-}
-
-static
-int create_the_query_executor(void)
-{
- int ret = 0;
-
- the_query_executor = bt_query_executor_create();
- if (!the_query_executor) {
- BT_LOGE_STR("Cannot create a query executor.");
- ret = -1;
- }
-
- return ret;
-}
-
-static
-void destroy_the_query_executor(void)
-{
- BT_QUERY_EXECUTOR_PUT_REF_AND_RESET(the_query_executor);
-}
-
-static
-int query(const bt_component_class *comp_cls, const char *obj,
- const bt_value *params, const bt_value **user_result,
- const char **fail_reason)
-{
- const bt_value *result = NULL;
- bt_query_executor_status status;
- *fail_reason = "unknown error";
- int ret = 0;
-
- BT_ASSERT(fail_reason);
- BT_ASSERT(user_result);
- ret = create_the_query_executor();
- if (ret) {
- /* create_the_query_executor() logs errors */
- goto end;
- }
-
- if (canceled) {
- BT_LOGI("Canceled by user before executing the query: "
- "comp-cls-addr=%p, comp-cls-name=\"%s\", "
- "query-obj=\"%s\"", comp_cls,
- bt_component_class_get_name(comp_cls), obj);
- *fail_reason = "canceled by user";
- goto error;
- }
-
- while (true) {
- status = bt_query_executor_query(the_query_executor,
- comp_cls, obj, params, &result);
- switch (status) {
- case BT_QUERY_EXECUTOR_STATUS_OK:
- goto ok;
- case BT_QUERY_EXECUTOR_STATUS_AGAIN:
- {
- const uint64_t sleep_time_us = 100000;
-
- /* Wait 100 ms and retry */
- BT_LOGV("Got BT_QUERY_EXECUTOR_STATUS_AGAIN: sleeping: "
- "time-us=%" PRIu64, sleep_time_us);
-
- if (usleep(sleep_time_us)) {
- if (bt_query_executor_is_canceled(the_query_executor)) {
- BT_LOGI("Query was canceled by user: "
- "comp-cls-addr=%p, comp-cls-name=\"%s\", "
- "query-obj=\"%s\"", comp_cls,
- bt_component_class_get_name(comp_cls),
- obj);
- *fail_reason = "canceled by user";
- goto error;
- }
- }
-
- continue;
- }
- case BT_QUERY_EXECUTOR_STATUS_CANCELED:
- *fail_reason = "canceled by user";
- goto error;
- case BT_QUERY_EXECUTOR_STATUS_ERROR:
- goto error;
- case BT_QUERY_EXECUTOR_STATUS_INVALID_OBJECT:
- *fail_reason = "invalid or unknown query object";
- goto error;
- case BT_QUERY_EXECUTOR_STATUS_INVALID_PARAMS:
- *fail_reason = "invalid query parameters";
- goto error;
- case BT_QUERY_EXECUTOR_STATUS_UNSUPPORTED:
- *fail_reason = "unsupported action";
- goto error;
- case BT_QUERY_EXECUTOR_STATUS_NOMEM:
- *fail_reason = "not enough memory";
- goto error;
- default:
- BT_LOGF("Unknown query status: status=%d", status);
- abort();
- }
- }
-
-ok:
- *user_result = result;
- result = NULL;
- goto end;
-
-error:
- ret = -1;
-
-end:
- destroy_the_query_executor();
- bt_value_put_ref(result);
- return ret;
-}
-
-static
-const bt_plugin *find_plugin(const char *name)
-{
- int i;
- const bt_plugin *plugin = NULL;
-
- BT_ASSERT(name);
- BT_LOGD("Finding plugin: name=\"%s\"", name);
-
- for (i = 0; i < loaded_plugins->len; i++) {
- plugin = g_ptr_array_index(loaded_plugins, i);
-
- if (strcmp(name, bt_plugin_get_name(plugin)) == 0) {
- break;
- }
-
- plugin = NULL;
- }
-
- if (BT_LOG_ON_DEBUG) {
- if (plugin) {
- BT_LOGD("Found plugin: plugin-addr=%p", plugin);
- } else {
- BT_LOGD("Cannot find plugin.");
- }
- }
-
- bt_plugin_get_ref(plugin);
- return plugin;
-}
-
-typedef const void *(*plugin_borrow_comp_cls_func_t)(
- const bt_plugin *, const char *);
-
-static
-const void *find_component_class_from_plugin(const char *plugin_name,
- const char *comp_class_name,
- plugin_borrow_comp_cls_func_t plugin_borrow_comp_cls_func)
-{
- const void *comp_class = NULL;
- const bt_plugin *plugin;
-
- BT_LOGD("Finding component class: plugin-name=\"%s\", "
- "comp-cls-name=\"%s\"", plugin_name, comp_class_name);
-
- plugin = find_plugin(plugin_name);
- if (!plugin) {
- goto end;
- }
-
- comp_class = plugin_borrow_comp_cls_func(plugin, comp_class_name);
- bt_object_get_ref(comp_class);
- BT_PLUGIN_PUT_REF_AND_RESET(plugin);
-
-end:
- if (BT_LOG_ON_DEBUG) {
- if (comp_class) {
- BT_LOGD("Found component class: comp-cls-addr=%p",
- comp_class);
- } else {
- BT_LOGD("Cannot find source component class.");
- }
- }
-
- return comp_class;
-}
-
-static
-const bt_component_class_source *find_source_component_class(
- const char *plugin_name, const char *comp_class_name)
-{
- return (const void *) find_component_class_from_plugin(
- plugin_name, comp_class_name,
- (plugin_borrow_comp_cls_func_t)
- bt_plugin_borrow_source_component_class_by_name_const);
-}
-
-static
-const bt_component_class_filter *find_filter_component_class(
- const char *plugin_name, const char *comp_class_name)
-{
- return (const void *) find_component_class_from_plugin(
- plugin_name, comp_class_name,
- (plugin_borrow_comp_cls_func_t)
- bt_plugin_borrow_filter_component_class_by_name_const);
-}
-
-static
-const bt_component_class_sink *find_sink_component_class(
- const char *plugin_name, const char *comp_class_name)
-{
- return (const void *) find_component_class_from_plugin(plugin_name,
- comp_class_name,
- (plugin_borrow_comp_cls_func_t)
- bt_plugin_borrow_sink_component_class_by_name_const);
-}
-
-static
-const bt_component_class *find_component_class(const char *plugin_name,
- const char *comp_class_name,
- bt_component_class_type comp_class_type)
-{
- const bt_component_class *comp_cls = NULL;
-
- switch (comp_class_type) {
- case BT_COMPONENT_CLASS_TYPE_SOURCE:
- comp_cls = bt_component_class_source_as_component_class_const(find_source_component_class(plugin_name, comp_class_name));
- break;
- case BT_COMPONENT_CLASS_TYPE_FILTER:
- comp_cls = bt_component_class_filter_as_component_class_const(find_filter_component_class(plugin_name, comp_class_name));
- break;
- case BT_COMPONENT_CLASS_TYPE_SINK:
- comp_cls = bt_component_class_sink_as_component_class_const(find_sink_component_class(plugin_name, comp_class_name));
- break;
- default:
- abort();
- }
-
- return comp_cls;
-}
-
-static
-void print_indent(FILE *fp, size_t indent)
-{
- size_t i;
-
- for (i = 0; i < indent; i++) {
- fprintf(fp, " ");
- }
-}
-
-static
-const char *component_type_str(bt_component_class_type type)
-{
- switch (type) {
- case BT_COMPONENT_CLASS_TYPE_SOURCE:
- return "source";
- case BT_COMPONENT_CLASS_TYPE_SINK:
- return "sink";
- case BT_COMPONENT_CLASS_TYPE_FILTER:
- return "filter";
- default:
- return "(unknown)";
- }
-}
-
-static
-void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
- const char *comp_cls_name, bt_component_class_type type)
-{
- GString *shell_plugin_name = NULL;
- GString *shell_comp_cls_name = NULL;
-
- shell_plugin_name = bt_common_shell_quote(plugin_name, false);
- if (!shell_plugin_name) {
- goto end;
- }
-
- shell_comp_cls_name = bt_common_shell_quote(comp_cls_name, false);
- if (!shell_comp_cls_name) {
- goto end;
- }
-
- fprintf(fh, "'%s%s%s%s.%s%s%s.%s%s%s'",
- bt_common_color_bold(),
- bt_common_color_fg_cyan(),
- component_type_str(type),
- bt_common_color_fg_default(),
- bt_common_color_fg_blue(),
- shell_plugin_name->str,
- bt_common_color_fg_default(),
- bt_common_color_fg_yellow(),
- shell_comp_cls_name->str,
- bt_common_color_reset());
-
-end:
- if (shell_plugin_name) {
- g_string_free(shell_plugin_name, TRUE);
- }
-
- if (shell_comp_cls_name) {
- g_string_free(shell_comp_cls_name, TRUE);
- }
-}
-
-static
-void print_value(FILE *, const bt_value *, size_t);
-
-static
-void print_value_rec(FILE *, const bt_value *, size_t);
-
-struct print_map_value_data {
- size_t indent;
- FILE *fp;
-};
-
-static
-bt_bool print_map_value(const char *key, const bt_value *object,
- void *data)
-{
- struct print_map_value_data *print_map_value_data = data;
-
- print_indent(print_map_value_data->fp, print_map_value_data->indent);
- fprintf(print_map_value_data->fp, "%s: ", key);
- BT_ASSERT(object);
-
- if (bt_value_is_array(object) &&
- bt_value_array_is_empty(object)) {
- fprintf(print_map_value_data->fp, "[ ]\n");
- return true;
- }
-
- if (bt_value_is_map(object) &&
- bt_value_map_is_empty(object)) {
- fprintf(print_map_value_data->fp, "{ }\n");
- return true;
- }
-
- if (bt_value_is_array(object) ||
- bt_value_is_map(object)) {
- fprintf(print_map_value_data->fp, "\n");
- }
-
- print_value_rec(print_map_value_data->fp, object,
- print_map_value_data->indent + 2);
- return BT_TRUE;
-}
-
-static
-void print_value_rec(FILE *fp, const bt_value *value, size_t indent)
-{
- bt_bool bool_val;
- int64_t int_val;
- uint64_t uint_val;
- double dbl_val;
- const char *str_val;
- int size;
- int i;
-
- if (!value) {
- return;
- }
-
- switch (bt_value_get_type(value)) {
- case BT_VALUE_TYPE_NULL:
- fprintf(fp, "%snull%s\n", bt_common_color_bold(),
- bt_common_color_reset());
- break;
- case BT_VALUE_TYPE_BOOL:
- bool_val = bt_value_bool_get(value);
- fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
- bt_common_color_fg_cyan(), bool_val ? "yes" : "no",
- bt_common_color_reset());
- break;
- case BT_VALUE_TYPE_UNSIGNED_INTEGER:
- uint_val = bt_value_unsigned_integer_get(value);
- fprintf(fp, "%s%s%" PRIu64 "%s\n", bt_common_color_bold(),
- bt_common_color_fg_red(), uint_val,
- bt_common_color_reset());
- break;
- case BT_VALUE_TYPE_SIGNED_INTEGER:
- int_val = bt_value_signed_integer_get(value);
- fprintf(fp, "%s%s%" PRId64 "%s\n", bt_common_color_bold(),
- bt_common_color_fg_red(), int_val,
- bt_common_color_reset());
- break;
- case BT_VALUE_TYPE_REAL:
- dbl_val = bt_value_real_get(value);
- fprintf(fp, "%s%s%lf%s\n", bt_common_color_bold(),
- bt_common_color_fg_red(), dbl_val,
- bt_common_color_reset());
- break;
- case BT_VALUE_TYPE_STRING:
- str_val = bt_value_string_get(value);
- fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
- bt_common_color_fg_green(), str_val,
- bt_common_color_reset());
- break;
- case BT_VALUE_TYPE_ARRAY:
- size = bt_value_array_get_size(value);
- if (size < 0) {
- goto error;
- }
-
- if (size == 0) {
- print_indent(fp, indent);
- fprintf(fp, "[ ]\n");
- break;
- }
-
- for (i = 0; i < size; i++) {
- const bt_value *element =
- bt_value_array_borrow_element_by_index_const(
- value, i);
-
- if (!element) {
- goto error;
- }
- print_indent(fp, indent);
- fprintf(fp, "- ");
-
- if (bt_value_is_array(element) &&
- bt_value_array_is_empty(element)) {
- fprintf(fp, "[ ]\n");
- continue;
- }
-
- if (bt_value_is_map(element) &&
- bt_value_map_is_empty(element)) {
- fprintf(fp, "{ }\n");
- continue;
- }
-
- if (bt_value_is_array(element) ||
- bt_value_is_map(element)) {
- fprintf(fp, "\n");
- }
-
- print_value_rec(fp, element, indent + 2);
- }
- break;
- case BT_VALUE_TYPE_MAP:
- {
- struct print_map_value_data data = {
- .indent = indent,
- .fp = fp,
- };
-
- if (bt_value_map_is_empty(value)) {
- print_indent(fp, indent);
- fprintf(fp, "{ }\n");
- break;
- }
-
- bt_value_map_foreach_entry_const(value, print_map_value, &data);
- break;
- }
- default:
- abort();
- }
- return;
-
-error:
- BT_LOGE("Error printing value of type %s.",
- bt_common_value_type_string(bt_value_get_type(value)));
-}
-
-static
-void print_value(FILE *fp, const bt_value *value, size_t indent)
-{
- if (!bt_value_is_array(value) && !bt_value_is_map(value)) {
- print_indent(fp, indent);
- }
-
- print_value_rec(fp, value, indent);
-}
-
-static
-void print_bt_config_component(struct bt_config_component *bt_config_component)
-{
- fprintf(stderr, " ");
- print_plugin_comp_cls_opt(stderr, bt_config_component->plugin_name->str,
- bt_config_component->comp_cls_name->str,
- bt_config_component->type);
- fprintf(stderr, ":\n");
-
- if (bt_config_component->instance_name->len > 0) {
- fprintf(stderr, " Name: %s\n",
- bt_config_component->instance_name->str);
- }
-
- fprintf(stderr, " Parameters:\n");
- print_value(stderr, bt_config_component->params, 8);
-}
-
-static
-void print_bt_config_components(GPtrArray *array)
-{
- size_t i;
-
- for (i = 0; i < array->len; i++) {
- struct bt_config_component *cfg_component =
- bt_config_get_component(array, i);
- print_bt_config_component(cfg_component);
- BT_OBJECT_PUT_REF_AND_RESET(cfg_component);
- }
-}
-
-static
-void print_plugin_paths(const bt_value *plugin_paths)
-{
- fprintf(stderr, " Plugin paths:\n");
- print_value(stderr, plugin_paths, 4);
-}
-
-static
-void print_cfg_run(struct bt_config *cfg)
-{
- size_t i;
-
- print_plugin_paths(cfg->plugin_paths);
- fprintf(stderr, " Source component instances:\n");
- print_bt_config_components(cfg->cmd_data.run.sources);
-
- if (cfg->cmd_data.run.filters->len > 0) {
- fprintf(stderr, " Filter component instances:\n");
- print_bt_config_components(cfg->cmd_data.run.filters);
- }
-
- fprintf(stderr, " Sink component instances:\n");
- print_bt_config_components(cfg->cmd_data.run.sinks);
- fprintf(stderr, " Connections:\n");
-
- for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
- struct bt_config_connection *cfg_connection =
- g_ptr_array_index(cfg->cmd_data.run.connections,
- i);
-
- fprintf(stderr, " %s%s%s -> %s%s%s\n",
- cfg_connection->upstream_comp_name->str,
- cfg_connection->upstream_port_glob->len > 0 ? "." : "",
- cfg_connection->upstream_port_glob->str,
- cfg_connection->downstream_comp_name->str,
- cfg_connection->downstream_port_glob->len > 0 ? "." : "",
- cfg_connection->downstream_port_glob->str);
- }
-}
-
-static
-void print_cfg_list_plugins(struct bt_config *cfg)
-{
- print_plugin_paths(cfg->plugin_paths);
-}
-
-static
-void print_cfg_help(struct bt_config *cfg)
-{
- print_plugin_paths(cfg->plugin_paths);
-}
-
-static
-void print_cfg_print_ctf_metadata(struct bt_config *cfg)
-{
- print_plugin_paths(cfg->plugin_paths);
- fprintf(stderr, " Path: %s\n",
- cfg->cmd_data.print_ctf_metadata.path->str);
-}
-
-static
-void print_cfg_print_lttng_live_sessions(struct bt_config *cfg)
-{
- print_plugin_paths(cfg->plugin_paths);
- fprintf(stderr, " URL: %s\n",
- cfg->cmd_data.print_lttng_live_sessions.url->str);
-}
-
-static
-void print_cfg_query(struct bt_config *cfg)
-{
- print_plugin_paths(cfg->plugin_paths);
- fprintf(stderr, " Object: `%s`\n", cfg->cmd_data.query.object->str);
- fprintf(stderr, " Component class:\n");
- print_bt_config_component(cfg->cmd_data.query.cfg_component);
-}
-
-static
-void print_cfg(struct bt_config *cfg)
-{
- if (!BT_LOG_ON_INFO) {
- return;
- }
-
- BT_LOGI_STR("Configuration:");
- fprintf(stderr, " Debug mode: %s\n", cfg->debug ? "yes" : "no");
- fprintf(stderr, " Verbose mode: %s\n", cfg->verbose ? "yes" : "no");
-
- switch (cfg->command) {
- case BT_CONFIG_COMMAND_RUN:
- print_cfg_run(cfg);
- break;
- case BT_CONFIG_COMMAND_LIST_PLUGINS:
- print_cfg_list_plugins(cfg);
- break;
- case BT_CONFIG_COMMAND_HELP:
- print_cfg_help(cfg);
- break;
- case BT_CONFIG_COMMAND_QUERY:
- print_cfg_query(cfg);
- break;
- case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
- print_cfg_print_ctf_metadata(cfg);
- break;
- case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
- print_cfg_print_lttng_live_sessions(cfg);
- break;
- default:
- abort();
- }
-}
-
-static
-void add_to_loaded_plugins(const bt_plugin_set *plugin_set)
-{
- int64_t i;
- int64_t count;
-
- count = bt_plugin_set_get_plugin_count(plugin_set);
- BT_ASSERT(count >= 0);
-
- for (i = 0; i < count; i++) {
- const bt_plugin *plugin =
- bt_plugin_set_borrow_plugin_by_index_const(plugin_set, i);
- const bt_plugin *loaded_plugin =
- find_plugin(bt_plugin_get_name(plugin));
-
- BT_ASSERT(plugin);
-
- if (loaded_plugin) {
- BT_LOGI("Not using plugin: another one already exists with the same name: "
- "plugin-name=\"%s\", plugin-path=\"%s\", "
- "existing-plugin-path=\"%s\"",
- bt_plugin_get_name(plugin),
- bt_plugin_get_path(plugin),
- bt_plugin_get_path(loaded_plugin));
- bt_plugin_put_ref(loaded_plugin);
- } else {
- /* Add to global array. */
- BT_LOGD("Adding plugin to loaded plugins: plugin-path=\"%s\"",
- bt_plugin_get_name(plugin));
- bt_plugin_get_ref(plugin);
- g_ptr_array_add(loaded_plugins, (void *) plugin);
- }
- }
-}
-
-static
-int load_dynamic_plugins(const bt_value *plugin_paths)
-{
- int nr_paths, i, ret = 0;
-
- nr_paths = bt_value_array_get_size(plugin_paths);
- if (nr_paths < 0) {
- BT_LOGE_STR("Cannot load dynamic plugins: no plugin path.");
- ret = -1;
- goto end;
- }
-
- BT_LOGI("Loading dynamic plugins.");
-
- for (i = 0; i < nr_paths; i++) {
- const bt_value *plugin_path_value = NULL;
- const char *plugin_path;
- const bt_plugin_set *plugin_set;
-
- plugin_path_value =
- bt_value_array_borrow_element_by_index_const(
- plugin_paths, i);
- plugin_path = bt_value_string_get(plugin_path_value);
-
- /*
- * Skip this if the directory does not exist because
- * bt_plugin_find_all_from_dir() expects an existing
- * directory.
- */
- if (!g_file_test(plugin_path, G_FILE_TEST_IS_DIR)) {
- BT_LOGV("Skipping nonexistent directory path: "
- "path=\"%s\"", plugin_path);
- continue;
- }
-
- plugin_set = bt_plugin_find_all_from_dir(plugin_path, false);
- if (!plugin_set) {
- BT_LOGD("Unable to load dynamic plugins: path=\"%s\"",
- plugin_path);
- continue;
- }
-
- add_to_loaded_plugins(plugin_set);
- bt_plugin_set_put_ref(plugin_set);
- }
-end:
- return ret;
-}
-
-static
-int load_static_plugins(void)
-{
- int ret = 0;
- const bt_plugin_set *plugin_set;
-
- BT_LOGI("Loading static plugins.");
- plugin_set = bt_plugin_find_all_from_static();
- if (!plugin_set) {
- BT_LOGE("Unable to load static plugins.");
- ret = -1;
- goto end;
- }
-
- add_to_loaded_plugins(plugin_set);
- bt_plugin_set_put_ref(plugin_set);
-end:
- return ret;
-}
-
-static
-int load_all_plugins(const bt_value *plugin_paths)
-{
- int ret = 0;
-
- if (load_dynamic_plugins(plugin_paths)) {
- ret = -1;
- goto end;
- }
-
- if (load_static_plugins()) {
- ret = -1;
- goto end;
- }
-
- BT_LOGI("Loaded all plugins: count=%u", loaded_plugins->len);
-
-end:
- return ret;
-}
-
-static
-void print_plugin_info(const bt_plugin *plugin)
-{
- unsigned int major, minor, patch;
- const char *extra;
- bt_property_availability version_avail;
- const char *plugin_name;
- const char *path;
- const char *author;
- const char *license;
- const char *plugin_description;
-
- plugin_name = bt_plugin_get_name(plugin);
- path = bt_plugin_get_path(plugin);
- author = bt_plugin_get_author(plugin);
- license = bt_plugin_get_license(plugin);
- plugin_description = bt_plugin_get_description(plugin);
- version_avail = bt_plugin_get_version(plugin, &major, &minor,
- &patch, &extra);
- printf("%s%s%s%s:\n", bt_common_color_bold(),
- bt_common_color_fg_blue(), plugin_name,
- bt_common_color_reset());
- if (path) {
- printf(" %sPath%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(), path);
- } else {
- puts(" Built-in");
- }
-
- if (version_avail == BT_PROPERTY_AVAILABILITY_AVAILABLE) {
- printf(" %sVersion%s: %u.%u.%u",
- bt_common_color_bold(), bt_common_color_reset(),
- major, minor, patch);
-
- if (extra) {
- printf("%s", extra);
- }
-
- printf("\n");
- }
-
- printf(" %sDescription%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(),
- plugin_description ? plugin_description : "(None)");
- printf(" %sAuthor%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(), author ? author : "(Unknown)");
- printf(" %sLicense%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(),
- license ? license : "(Unknown)");
-}
-
-static
-int cmd_query(struct bt_config *cfg)
-{
- int ret = 0;
- const bt_component_class *comp_cls = NULL;
- const bt_value *results = NULL;
- const char *fail_reason = NULL;
-
- comp_cls = find_component_class(
- cfg->cmd_data.query.cfg_component->plugin_name->str,
- cfg->cmd_data.query.cfg_component->comp_cls_name->str,
- cfg->cmd_data.query.cfg_component->type);
- if (!comp_cls) {
- BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
- "comp-cls-name=\"%s\", comp-cls-type=%d",
- cfg->cmd_data.query.cfg_component->plugin_name->str,
- cfg->cmd_data.query.cfg_component->comp_cls_name->str,
- cfg->cmd_data.query.cfg_component->type);
- fprintf(stderr, "%s%sCannot find component class %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr,
- cfg->cmd_data.query.cfg_component->plugin_name->str,
- cfg->cmd_data.query.cfg_component->comp_cls_name->str,
- cfg->cmd_data.query.cfg_component->type);
- fprintf(stderr, "\n");
- ret = -1;
- goto end;
- }
-
- ret = query(comp_cls, cfg->cmd_data.query.object->str,
- cfg->cmd_data.query.cfg_component->params,
- &results, &fail_reason);
- if (ret) {
- goto failed;
- }
-
- print_value(stdout, results, 0);
- goto end;
-
-failed:
- BT_LOGE("Failed to query component class: %s: plugin-name=\"%s\", "
- "comp-cls-name=\"%s\", comp-cls-type=%d "
- "object=\"%s\"", fail_reason,
- cfg->cmd_data.query.cfg_component->plugin_name->str,
- cfg->cmd_data.query.cfg_component->comp_cls_name->str,
- cfg->cmd_data.query.cfg_component->type,
- cfg->cmd_data.query.object->str);
- fprintf(stderr, "%s%sFailed to query info to %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr,
- cfg->cmd_data.query.cfg_component->plugin_name->str,
- cfg->cmd_data.query.cfg_component->comp_cls_name->str,
- cfg->cmd_data.query.cfg_component->type);
- fprintf(stderr, "%s%s with object `%s`: %s%s\n",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- cfg->cmd_data.query.object->str,
- fail_reason,
- bt_common_color_reset());
- ret = -1;
-
-end:
- bt_component_class_put_ref(comp_cls);
- bt_value_put_ref(results);
- return ret;
-}
-
-static
-void print_component_class_help(const char *plugin_name,
- const bt_component_class *comp_cls)
-{
- const char *comp_class_name =
- bt_component_class_get_name(comp_cls);
- const char *comp_class_description =
- bt_component_class_get_description(comp_cls);
- const char *comp_class_help =
- bt_component_class_get_help(comp_cls);
- bt_component_class_type type =
- bt_component_class_get_type(comp_cls);
-
- print_plugin_comp_cls_opt(stdout, plugin_name, comp_class_name, type);
- printf("\n");
- printf(" %sDescription%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(),
- comp_class_description ? comp_class_description : "(None)");
-
- if (comp_class_help) {
- printf("\n%s\n", comp_class_help);
- }
-}
-
-static
-int cmd_help(struct bt_config *cfg)
-{
- int ret = 0;
- const bt_plugin *plugin = NULL;
- const bt_component_class *needed_comp_cls = NULL;
-
- plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
- if (!plugin) {
- BT_LOGE("Cannot find plugin: plugin-name=\"%s\"",
- cfg->cmd_data.help.cfg_component->plugin_name->str);
- fprintf(stderr, "%s%sCannot find plugin %s%s%s\n",
- bt_common_color_bold(), bt_common_color_fg_red(),
- bt_common_color_fg_blue(),
- cfg->cmd_data.help.cfg_component->plugin_name->str,
- bt_common_color_reset());
- ret = -1;
- goto end;
- }
-
- print_plugin_info(plugin);
- printf(" %sSource component classes%s: %d\n",
- bt_common_color_bold(),
- bt_common_color_reset(),
- (int) bt_plugin_get_source_component_class_count(plugin));
- printf(" %sFilter component classes%s: %d\n",
- bt_common_color_bold(),
- bt_common_color_reset(),
- (int) bt_plugin_get_filter_component_class_count(plugin));
- printf(" %sSink component classes%s: %d\n",
- bt_common_color_bold(),
- bt_common_color_reset(),
- (int) bt_plugin_get_sink_component_class_count(plugin));
-
- if (strlen(cfg->cmd_data.help.cfg_component->comp_cls_name->str) == 0) {
- /* Plugin help only */
- goto end;
- }
-
- needed_comp_cls = find_component_class(
- cfg->cmd_data.help.cfg_component->plugin_name->str,
- cfg->cmd_data.help.cfg_component->comp_cls_name->str,
- cfg->cmd_data.help.cfg_component->type);
- if (!needed_comp_cls) {
- BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
- "comp-cls-name=\"%s\", comp-cls-type=%d",
- cfg->cmd_data.help.cfg_component->plugin_name->str,
- cfg->cmd_data.help.cfg_component->comp_cls_name->str,
- cfg->cmd_data.help.cfg_component->type);
- fprintf(stderr, "\n%s%sCannot find component class %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr,
- cfg->cmd_data.help.cfg_component->plugin_name->str,
- cfg->cmd_data.help.cfg_component->comp_cls_name->str,
- cfg->cmd_data.help.cfg_component->type);
- fprintf(stderr, "\n");
- ret = -1;
- goto end;
- }
-
- printf("\n");
- print_component_class_help(
- cfg->cmd_data.help.cfg_component->plugin_name->str,
- needed_comp_cls);
-
-end:
- bt_component_class_put_ref(needed_comp_cls);
- bt_plugin_put_ref(plugin);
- return ret;
-}
-
-typedef void *(* plugin_borrow_comp_cls_by_index_func_t)(const bt_plugin *,
- uint64_t);
-typedef const bt_component_class *(* spec_comp_cls_borrow_comp_cls_func_t)(
- void *);
-
-void cmd_list_plugins_print_component_classes(const bt_plugin *plugin,
- const char *cc_type_name, uint64_t count,
- plugin_borrow_comp_cls_by_index_func_t borrow_comp_cls_by_index_func,
- spec_comp_cls_borrow_comp_cls_func_t spec_comp_cls_borrow_comp_cls_func)
-{
- uint64_t i;
-
- if (count == 0) {
- printf(" %s%s component classes%s: (none)\n",
- bt_common_color_bold(),
- cc_type_name,
- bt_common_color_reset());
- goto end;
- } else {
- printf(" %s%s component classes%s:\n",
- bt_common_color_bold(),
- cc_type_name,
- bt_common_color_reset());
- }
-
- for (i = 0; i < count; i++) {
- const bt_component_class *comp_class =
- spec_comp_cls_borrow_comp_cls_func(
- borrow_comp_cls_by_index_func(plugin, i));
- const char *comp_class_name =
- bt_component_class_get_name(comp_class);
- const char *comp_class_description =
- bt_component_class_get_description(comp_class);
- bt_component_class_type type =
- bt_component_class_get_type(comp_class);
-
- printf(" ");
- print_plugin_comp_cls_opt(stdout,
- bt_plugin_get_name(plugin), comp_class_name,
- type);
-
- if (comp_class_description) {
- printf(": %s", comp_class_description);
- }
-
- printf("\n");
- }
-
-end:
- return;
-}
-
-static
-int cmd_list_plugins(struct bt_config *cfg)
-{
- int ret = 0;
- int plugins_count, component_classes_count = 0, i;
-
- printf("From the following plugin paths:\n\n");
- print_value(stdout, cfg->plugin_paths, 2);
- printf("\n");
- plugins_count = loaded_plugins->len;
- if (plugins_count == 0) {
- printf("No plugins found.\n");
- goto end;
- }
-
- for (i = 0; i < plugins_count; i++) {
- const bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
-
- component_classes_count +=
- bt_plugin_get_source_component_class_count(plugin) +
- bt_plugin_get_filter_component_class_count(plugin) +
- bt_plugin_get_sink_component_class_count(plugin);
- }
-
- printf("Found %s%d%s component classes in %s%d%s plugins.\n",
- bt_common_color_bold(),
- component_classes_count,
- bt_common_color_reset(),
- bt_common_color_bold(),
- plugins_count,
- bt_common_color_reset());
-
- for (i = 0; i < plugins_count; i++) {
- const bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
-
- printf("\n");
- print_plugin_info(plugin);
- cmd_list_plugins_print_component_classes(plugin, "Source",
- bt_plugin_get_source_component_class_count(plugin),
- (plugin_borrow_comp_cls_by_index_func_t)
- bt_plugin_borrow_source_component_class_by_index_const,
- (spec_comp_cls_borrow_comp_cls_func_t)
- bt_component_class_source_as_component_class);
- cmd_list_plugins_print_component_classes(plugin, "Filter",
- bt_plugin_get_filter_component_class_count(plugin),
- (plugin_borrow_comp_cls_by_index_func_t)
- bt_plugin_borrow_filter_component_class_by_index_const,
- (spec_comp_cls_borrow_comp_cls_func_t)
- bt_component_class_filter_as_component_class);
- cmd_list_plugins_print_component_classes(plugin, "Sink",
- bt_plugin_get_sink_component_class_count(plugin),
- (plugin_borrow_comp_cls_by_index_func_t)
- bt_plugin_borrow_sink_component_class_by_index_const,
- (spec_comp_cls_borrow_comp_cls_func_t)
- bt_component_class_sink_as_component_class);
- }
-
-end:
- return ret;
-}
-
-static
-int cmd_print_lttng_live_sessions(struct bt_config *cfg)
-{
- int ret = 0;
- const bt_component_class *comp_cls = NULL;
- const bt_value *results = NULL;
- bt_value *params = NULL;
- const bt_value *map = NULL;
- const bt_value *v = NULL;
- static const char * const plugin_name = "ctf";
- static const char * const comp_cls_name = "lttng-live";
- static const bt_component_class_type comp_cls_type =
- BT_COMPONENT_CLASS_TYPE_SOURCE;
- int64_t array_size, i;
- const char *fail_reason = NULL;
- FILE *out_stream = stdout;
-
- BT_ASSERT(cfg->cmd_data.print_lttng_live_sessions.url);
- comp_cls = find_component_class(plugin_name, comp_cls_name,
- comp_cls_type);
- if (!comp_cls) {
- BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
- "comp-cls-name=\"%s\", comp-cls-type=%d",
- plugin_name, comp_cls_name,
- BT_COMPONENT_CLASS_TYPE_SOURCE);
- fprintf(stderr, "%s%sCannot find component class %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr, plugin_name,
- comp_cls_name, comp_cls_type);
- fprintf(stderr, "\n");
- goto error;
- }
-
- params = bt_value_map_create();
- if (!params) {
- goto error;
- }
-
- ret = bt_value_map_insert_string_entry(params, "url",
- cfg->cmd_data.print_lttng_live_sessions.url->str);
- if (ret) {
- goto error;
- }
-
- ret = query(comp_cls, "sessions", params,
- &results, &fail_reason);
- if (ret) {
- goto failed;
- }
-
- BT_ASSERT(results);
-
- if (!bt_value_is_array(results)) {
- BT_LOGE_STR("Expecting an array for sessions query.");
- fprintf(stderr, "%s%sUnexpected type returned by session query%s\n",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- goto error;
- }
-
- if (cfg->cmd_data.print_lttng_live_sessions.output_path->len > 0) {
- out_stream =
- fopen(cfg->cmd_data.print_lttng_live_sessions.output_path->str,
- "w");
- if (!out_stream) {
- ret = -1;
- BT_LOGE_ERRNO("Cannot open file for writing",
- ": path=\"%s\"",
- cfg->cmd_data.print_lttng_live_sessions.output_path->str);
- goto end;
- }
- }
-
- array_size = bt_value_array_get_size(results);
- for (i = 0; i < array_size; i++) {
- const char *url_text;
- int64_t timer_us, streams, clients;
-
- map = bt_value_array_borrow_element_by_index_const(results, i);
- if (!map) {
- BT_LOGE_STR("Unexpected empty array entry.");
- goto error;
- }
- if (!bt_value_is_map(map)) {
- BT_LOGE_STR("Unexpected entry type.");
- goto error;
- }
-
- v = bt_value_map_borrow_entry_value_const(map, "url");
- if (!v) {
- BT_LOGE_STR("Unexpected empty array \"url\" entry.");
- goto error;
- }
- url_text = bt_value_string_get(v);
- fprintf(out_stream, "%s", url_text);
- v = bt_value_map_borrow_entry_value_const(map, "timer-us");
- if (!v) {
- BT_LOGE_STR("Unexpected empty array \"timer-us\" entry.");
- goto error;
- }
- timer_us = bt_value_signed_integer_get(v);
- fprintf(out_stream, " (timer = %" PRIu64 ", ", timer_us);
- v = bt_value_map_borrow_entry_value_const(map, "stream-count");
- if (!v) {
- BT_LOGE_STR("Unexpected empty array \"stream-count\" entry.");
- goto error;
- }
- streams = bt_value_signed_integer_get(v);
- fprintf(out_stream, "%" PRIu64 " stream(s), ", streams);
- v = bt_value_map_borrow_entry_value_const(map, "client-count");
- if (!v) {
- BT_LOGE_STR("Unexpected empty array \"client-count\" entry.");
- goto error;
- }
- clients = bt_value_signed_integer_get(v);
- fprintf(out_stream, "%" PRIu64 " client(s) connected)\n", clients);
- }
-
- goto end;
-
-failed:
- BT_LOGE("Failed to query for sessions: %s", fail_reason);
- fprintf(stderr, "%s%sFailed to request sessions: %s%s\n",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- fail_reason,
- bt_common_color_reset());
-
-error:
- ret = -1;
-
-end:
- bt_value_put_ref(results);
- bt_value_put_ref(params);
- bt_component_class_put_ref(comp_cls);
-
- if (out_stream && out_stream != stdout) {
- int fclose_ret = fclose(out_stream);
-
- if (fclose_ret) {
- BT_LOGE_ERRNO("Cannot close file stream",
- ": path=\"%s\"",
- cfg->cmd_data.print_lttng_live_sessions.output_path->str);
- }
- }
-
- return ret;
-}
-
-static
-int cmd_print_ctf_metadata(struct bt_config *cfg)
-{
- int ret = 0;
- const bt_component_class *comp_cls = NULL;
- const bt_value *results = NULL;
- bt_value *params = NULL;
- const bt_value *metadata_text_value = NULL;
- const char *metadata_text = NULL;
- static const char * const plugin_name = "ctf";
- static const char * const comp_cls_name = "fs";
- static const bt_component_class_type comp_cls_type =
- BT_COMPONENT_CLASS_TYPE_SOURCE;
- const char *fail_reason = NULL;
- FILE *out_stream = stdout;
-
- BT_ASSERT(cfg->cmd_data.print_ctf_metadata.path);
- comp_cls = find_component_class(plugin_name, comp_cls_name,
- comp_cls_type);
- if (!comp_cls) {
- BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
- "comp-cls-name=\"%s\", comp-cls-type=%d",
- plugin_name, comp_cls_name,
- BT_COMPONENT_CLASS_TYPE_SOURCE);
- fprintf(stderr, "%s%sCannot find component class %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr, plugin_name,
- comp_cls_name, comp_cls_type);
- fprintf(stderr, "\n");
- ret = -1;
- goto end;
- }
-
- params = bt_value_map_create();
- if (!params) {
- ret = -1;
- goto end;
- }
-
- ret = bt_value_map_insert_string_entry(params, "path",
- cfg->cmd_data.print_ctf_metadata.path->str);
- if (ret) {
- ret = -1;
- goto end;
- }
-
- ret = query(comp_cls, "metadata-info",
- params, &results, &fail_reason);
- if (ret) {
- goto failed;
- }
-
- metadata_text_value = bt_value_map_borrow_entry_value_const(results,
- "text");
- if (!metadata_text_value) {
- BT_LOGE_STR("Cannot find `text` string value in the resulting metadata info object.");
- ret = -1;
- goto end;
- }
-
- metadata_text = bt_value_string_get(metadata_text_value);
-
- if (cfg->cmd_data.print_ctf_metadata.output_path->len > 0) {
- out_stream =
- fopen(cfg->cmd_data.print_ctf_metadata.output_path->str,
- "w");
- if (!out_stream) {
- ret = -1;
- BT_LOGE_ERRNO("Cannot open file for writing",
- ": path=\"%s\"",
- cfg->cmd_data.print_ctf_metadata.output_path->str);
- goto end;
- }
- }
-
- ret = fprintf(out_stream, "%s\n", metadata_text);
- if (ret < 0) {
- BT_LOGE("Cannot write whole metadata text to output stream: "
- "ret=%d", ret);
- goto end;
- }
-
- ret = 0;
-
- goto end;
-
-failed:
- ret = -1;
- BT_LOGE("Failed to query for metadata info: %s", fail_reason);
- fprintf(stderr, "%s%sFailed to request metadata info: %s%s\n",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- fail_reason,
- bt_common_color_reset());
-
-end:
- bt_value_put_ref(results);
- bt_value_put_ref(params);
- bt_component_class_put_ref(comp_cls);
-
- if (out_stream && out_stream != stdout) {
- int fclose_ret = fclose(out_stream);
-
- if (fclose_ret) {
- BT_LOGE_ERRNO("Cannot close file stream",
- ": path=\"%s\"",
- cfg->cmd_data.print_ctf_metadata.output_path->str);
- }
- }
-
- return ret;
-}
-
-struct port_id {
- char *instance_name;
- char *port_name;
-};
-
-struct trace_range {
- uint64_t intersection_range_begin_ns;
- uint64_t intersection_range_end_ns;
-};
-
-static
-guint port_id_hash(gconstpointer v)
-{
- const struct port_id *id = v;
-
- BT_ASSERT(id->instance_name);
- BT_ASSERT(id->port_name);
-
- return g_str_hash(id->instance_name) ^ g_str_hash(id->port_name);
-}
-
-static
-gboolean port_id_equal(gconstpointer v1, gconstpointer v2)
-{
- const struct port_id *id1 = v1;
- const struct port_id *id2 = v2;
-
- return !strcmp(id1->instance_name, id2->instance_name) &&
- !strcmp(id1->port_name, id2->port_name);
-}
-
-static
-void port_id_destroy(gpointer data)
-{
- struct port_id *id = data;
-
- free(id->instance_name);
- free(id->port_name);
- free(id);
-}
-
-static
-void trace_range_destroy(gpointer data)
-{
- free(data);
-}
-
-struct cmd_run_ctx {
- /* Owned by this */
- GHashTable *src_components;
-
- /* Owned by this */
- GHashTable *flt_components;
-
- /* Owned by this */
- GHashTable *sink_components;
-
- /* Owned by this */
- bt_graph *graph;
-
- /* Weak */
- struct bt_config *cfg;
-
- bool connect_ports;
-
- bool stream_intersection_mode;
-
- /*
- * Association of struct port_id -> struct trace_range.
- */
- GHashTable *intersections;
-};
-
-/* Returns a timestamp of the form "(-)s.ns" */
-static
-char *s_from_ns(int64_t ns)
-{
- int ret;
- char *s_ret = NULL;
- bool is_negative;
- int64_t ts_sec_abs, ts_nsec_abs;
- int64_t ts_sec = ns / NSEC_PER_SEC;
- int64_t ts_nsec = ns % NSEC_PER_SEC;
-
- if (ts_sec >= 0 && ts_nsec >= 0) {
- is_negative = false;
- ts_sec_abs = ts_sec;
- ts_nsec_abs = ts_nsec;
- } else if (ts_sec > 0 && ts_nsec < 0) {
- is_negative = false;
- ts_sec_abs = ts_sec - 1;
- ts_nsec_abs = NSEC_PER_SEC + ts_nsec;
- } else if (ts_sec == 0 && ts_nsec < 0) {
- is_negative = true;
- ts_sec_abs = ts_sec;
- ts_nsec_abs = -ts_nsec;
- } else if (ts_sec < 0 && ts_nsec > 0) {
- is_negative = true;
- ts_sec_abs = -(ts_sec + 1);
- ts_nsec_abs = NSEC_PER_SEC - ts_nsec;
- } else if (ts_sec < 0 && ts_nsec == 0) {
- is_negative = true;
- ts_sec_abs = -ts_sec;
- ts_nsec_abs = ts_nsec;
- } else { /* (ts_sec < 0 && ts_nsec < 0) */
- is_negative = true;
- ts_sec_abs = -ts_sec;
- ts_nsec_abs = -ts_nsec;
- }
-
- ret = asprintf(&s_ret, "%s%" PRId64 ".%09" PRId64,
- is_negative ? "-" : "", ts_sec_abs, ts_nsec_abs);
- if (ret < 0) {
- s_ret = NULL;
- }
- return s_ret;
-}
-
-static
-int cmd_run_ctx_connect_upstream_port_to_downstream_component(
- struct cmd_run_ctx *ctx,
- const bt_component *upstream_comp,
- const bt_port_output *out_upstream_port,
- struct bt_config_connection *cfg_conn)
-{
- typedef uint64_t (*input_port_count_func_t)(void *);
- typedef const bt_port_input *(*borrow_input_port_by_index_func_t)(
- const void *, uint64_t);
- const bt_port *upstream_port =
- bt_port_output_as_port_const(out_upstream_port);
-
- int ret = 0;
- GQuark downstreamp_comp_name_quark;
- void *downstream_comp;
- uint64_t downstream_port_count;
- uint64_t i;
- input_port_count_func_t port_count_fn;
- borrow_input_port_by_index_func_t port_by_index_fn;
- bt_graph_status status = BT_GRAPH_STATUS_ERROR;
- bool insert_trimmer = false;
- bt_value *trimmer_params = NULL;
- char *intersection_begin = NULL;
- char *intersection_end = NULL;
- const bt_component_filter *trimmer = NULL;
- const bt_component_class_filter *trimmer_class = NULL;
- const bt_port_input *trimmer_input = NULL;
- const bt_port_output *trimmer_output = NULL;
-
- if (ctx->intersections &&
- bt_component_get_class_type(upstream_comp) ==
- BT_COMPONENT_CLASS_TYPE_SOURCE) {
- struct trace_range *range;
- struct port_id port_id = {
- .instance_name = (char *) bt_component_get_name(upstream_comp),
- .port_name = (char *) bt_port_get_name(upstream_port)
- };
-
- if (!port_id.instance_name || !port_id.port_name) {
- goto error;
- }
-
- range = (struct trace_range *) g_hash_table_lookup(
- ctx->intersections, &port_id);
- if (range) {
- bt_value_status status;
-
- intersection_begin = s_from_ns(
- range->intersection_range_begin_ns);
- intersection_end = s_from_ns(
- range->intersection_range_end_ns);
- if (!intersection_begin || !intersection_end) {
- BT_LOGE_STR("Cannot create trimmer argument timestamp string.");
- goto error;
- }
-
- insert_trimmer = true;
- trimmer_params = bt_value_map_create();
- if (!trimmer_params) {
- goto error;
- }
-
- status = bt_value_map_insert_string_entry(
- trimmer_params, "begin", intersection_begin);
- if (status != BT_VALUE_STATUS_OK) {
- goto error;
- }
- status = bt_value_map_insert_string_entry(
- trimmer_params,
- "end", intersection_end);
- if (status != BT_VALUE_STATUS_OK) {
- goto error;
- }
- }
-
- trimmer_class = find_filter_component_class("utils", "trimmer");
- if (!trimmer_class) {
- goto error;
- }
- }
-
- BT_LOGI("Connecting upstream port to the next available downstream port: "
- "upstream-port-addr=%p, upstream-port-name=\"%s\", "
- "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
- upstream_port, bt_port_get_name(upstream_port),
- cfg_conn->downstream_comp_name->str,
- cfg_conn->arg->str);
- downstreamp_comp_name_quark = g_quark_from_string(
- cfg_conn->downstream_comp_name->str);
- BT_ASSERT(downstreamp_comp_name_quark > 0);
- downstream_comp = g_hash_table_lookup(ctx->flt_components,
- GUINT_TO_POINTER(downstreamp_comp_name_quark));
- port_count_fn = (input_port_count_func_t)
- bt_component_filter_get_input_port_count;
- port_by_index_fn = (borrow_input_port_by_index_func_t)
- bt_component_filter_borrow_input_port_by_index_const;
-
- if (!downstream_comp) {
- downstream_comp = g_hash_table_lookup(ctx->sink_components,
- GUINT_TO_POINTER(downstreamp_comp_name_quark));
- port_count_fn = (input_port_count_func_t)
- bt_component_sink_get_input_port_count;
- port_by_index_fn = (borrow_input_port_by_index_func_t)
- bt_component_sink_borrow_input_port_by_index_const;
- }
-
- if (!downstream_comp) {
- BT_LOGE("Cannot find downstream component: comp-name=\"%s\", "
- "conn-arg=\"%s\"", cfg_conn->downstream_comp_name->str,
- cfg_conn->arg->str);
- fprintf(stderr, "Cannot create connection: cannot find downstream component: %s\n",
- cfg_conn->arg->str);
- goto error;
- }
-
- downstream_port_count = port_count_fn(downstream_comp);
-
- for (i = 0; i < downstream_port_count; i++) {
- const bt_port_input *in_downstream_port =
- port_by_index_fn(downstream_comp, i);
- const bt_port *downstream_port =
- bt_port_input_as_port_const(in_downstream_port);
- const char *upstream_port_name;
- const char *downstream_port_name;
-
- BT_ASSERT(downstream_port);
-
- /* Skip port if it's already connected. */
- if (bt_port_is_connected(downstream_port)) {
- BT_LOGD("Skipping downstream port: already connected: "
- "port-addr=%p, port-name=\"%s\"",
- downstream_port,
- bt_port_get_name(downstream_port));
- continue;
- }
-
- downstream_port_name = bt_port_get_name(downstream_port);
- BT_ASSERT(downstream_port_name);
- upstream_port_name = bt_port_get_name(upstream_port);
- BT_ASSERT(upstream_port_name);
-
- if (!bt_common_star_glob_match(
- cfg_conn->downstream_port_glob->str, SIZE_MAX,
- downstream_port_name, SIZE_MAX)) {
- continue;
- }
-
- if (insert_trimmer) {
- /*
- * In order to insert the trimmer between the
- * two components that were being connected, we
- * create a connection configuration entry which
- * describes a connection from the trimmer's
- * output to the original input that was being
- * connected.
- *
- * Hence, the creation of the trimmer will cause
- * the graph "new port" listener to establish
- * all downstream connections as its output port
- * is connected. We will then establish the
- * connection between the original upstream
- * source and the trimmer.
- */
- char *trimmer_name = NULL;
- bt_graph_status graph_status;
-
- ret = asprintf(&trimmer_name,
- "stream-intersection-trimmer-%s",
- upstream_port_name);
- if (ret < 0) {
- goto error;
- }
- ret = 0;
-
- ctx->connect_ports = false;
- graph_status = bt_graph_add_filter_component(
- ctx->graph, trimmer_class, trimmer_name,
- trimmer_params, &trimmer);
- free(trimmer_name);
- if (graph_status != BT_GRAPH_STATUS_OK) {
- goto error;
- }
- BT_ASSERT(trimmer);
-
- trimmer_input =
- bt_component_filter_borrow_input_port_by_index_const(
- trimmer, 0);
- if (!trimmer_input) {
- goto error;
- }
- trimmer_output =
- bt_component_filter_borrow_output_port_by_index_const(
- trimmer, 0);
- if (!trimmer_output) {
- goto error;
- }
-
- /*
- * Replace the current downstream port by the trimmer's
- * upstream port.
- */
- in_downstream_port = trimmer_input;
- downstream_port =
- bt_port_input_as_port_const(in_downstream_port);
- downstream_port_name = bt_port_get_name(
- downstream_port);
- BT_ASSERT(downstream_port_name);
- }
-
- /* We have a winner! */
- status = bt_graph_connect_ports(ctx->graph,
- out_upstream_port, in_downstream_port, NULL);
- downstream_port = NULL;
- switch (status) {
- case BT_GRAPH_STATUS_OK:
- break;
- case BT_GRAPH_STATUS_CANCELED:
- BT_LOGI_STR("Graph was canceled by user.");
- status = BT_GRAPH_STATUS_OK;
- break;
- case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
- BT_LOGE("A component refused a connection to one of its ports: "
- "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
- "upstream-port-addr=%p, upstream-port-name=\"%s\", "
- "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
- "downstream-port-addr=%p, downstream-port-name=\"%s\", "
- "conn-arg=\"%s\"",
- upstream_comp, bt_component_get_name(upstream_comp),
- upstream_port, bt_port_get_name(upstream_port),
- downstream_comp, cfg_conn->downstream_comp_name->str,
- downstream_port, downstream_port_name,
- cfg_conn->arg->str);
- fprintf(stderr,
- "A component refused a connection to one of its ports (`%s` to `%s`): %s\n",
- bt_port_get_name(upstream_port),
- downstream_port_name,
- cfg_conn->arg->str);
- break;
- default:
- BT_LOGE("Cannot create connection: graph refuses to connect ports: "
- "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
- "upstream-port-addr=%p, upstream-port-name=\"%s\", "
- "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
- "downstream-port-addr=%p, downstream-port-name=\"%s\", "
- "conn-arg=\"%s\"",
- upstream_comp, bt_component_get_name(upstream_comp),
- upstream_port, bt_port_get_name(upstream_port),
- downstream_comp, cfg_conn->downstream_comp_name->str,
- downstream_port, downstream_port_name,
- cfg_conn->arg->str);
- fprintf(stderr,
- "Cannot create connection: graph refuses to connect ports (`%s` to `%s`): %s\n",
- bt_port_get_name(upstream_port),
- downstream_port_name,
- cfg_conn->arg->str);
- goto error;
- }
-
- BT_LOGI("Connected component ports: "
- "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
- "upstream-port-addr=%p, upstream-port-name=\"%s\", "
- "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
- "downstream-port-addr=%p, downstream-port-name=\"%s\", "
- "conn-arg=\"%s\"",
- upstream_comp, bt_component_get_name(upstream_comp),
- upstream_port, bt_port_get_name(upstream_port),
- downstream_comp, cfg_conn->downstream_comp_name->str,
- downstream_port, downstream_port_name,
- cfg_conn->arg->str);
-
- if (insert_trimmer) {
- /*
- * The first connection, from the source to the trimmer,
- * has been done. We now connect the trimmer to the
- * original downstream port.
- */
- ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
- ctx,
- bt_component_filter_as_component_const(trimmer),
- trimmer_output, cfg_conn);
- if (ret) {
- goto error;
- }
- ctx->connect_ports = true;
- }
-
- /*
- * We found a matching downstream port: the search is
- * over.
- */
- goto end;
- }
-
- /* No downstream port found */
- BT_LOGE("Cannot create connection: cannot find a matching downstream port for upstream port: "
- "upstream-port-addr=%p, upstream-port-name=\"%s\", "
- "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
- upstream_port, bt_port_get_name(upstream_port),
- cfg_conn->downstream_comp_name->str,
- cfg_conn->arg->str);
- fprintf(stderr,
- "Cannot create connection: cannot find a matching downstream port for upstream port `%s`: %s\n",
- bt_port_get_name(upstream_port), cfg_conn->arg->str);
-
-error:
- ret = -1;
-
-end:
- free(intersection_begin);
- free(intersection_end);
- BT_VALUE_PUT_REF_AND_RESET(trimmer_params);
- BT_COMPONENT_CLASS_FILTER_PUT_REF_AND_RESET(trimmer_class);
- BT_COMPONENT_FILTER_PUT_REF_AND_RESET(trimmer);
- return ret;
-}
-
-static
-int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx,
- const bt_port_output *upstream_port)
-{
- int ret = 0;
- const char *upstream_port_name;
- const char *upstream_comp_name;
- const bt_component *upstream_comp = NULL;
- size_t i;
-
- BT_ASSERT(ctx);
- BT_ASSERT(upstream_port);
- upstream_port_name = bt_port_get_name(
- bt_port_output_as_port_const(upstream_port));
- BT_ASSERT(upstream_port_name);
- upstream_comp = bt_port_borrow_component_const(
- bt_port_output_as_port_const(upstream_port));
- if (!upstream_comp) {
- BT_LOGW("Upstream port to connect is not part of a component: "
- "port-addr=%p, port-name=\"%s\"",
- upstream_port, upstream_port_name);
- ret = -1;
- goto end;
- }
-
- upstream_comp_name = bt_component_get_name(upstream_comp);
- BT_ASSERT(upstream_comp_name);
- BT_LOGI("Connecting upstream port: comp-addr=%p, comp-name=\"%s\", "
- "port-addr=%p, port-name=\"%s\"",
- upstream_comp, upstream_comp_name,
- upstream_port, upstream_port_name);
-
- for (i = 0; i < ctx->cfg->cmd_data.run.connections->len; i++) {
- struct bt_config_connection *cfg_conn =
- g_ptr_array_index(
- ctx->cfg->cmd_data.run.connections, i);
-
- if (strcmp(cfg_conn->upstream_comp_name->str,
- upstream_comp_name)) {
- continue;
- }
-
- if (!bt_common_star_glob_match(
- cfg_conn->upstream_port_glob->str,
- SIZE_MAX, upstream_port_name, SIZE_MAX)) {
- continue;
- }
-
- ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
- ctx, upstream_comp, upstream_port, cfg_conn);
- if (ret) {
- BT_LOGE("Cannot connect upstream port: "
- "port-addr=%p, port-name=\"%s\"",
- upstream_port,
- upstream_port_name);
- fprintf(stderr,
- "Cannot connect port `%s` of component `%s` to a downstream port: %s\n",
- upstream_port_name,
- upstream_comp_name,
- cfg_conn->arg->str);
- goto error;
- }
- goto end;
- }
-
- BT_LOGE("Cannot connect upstream port: port does not match any connection argument: "
- "port-addr=%p, port-name=\"%s\"", upstream_port,
- upstream_port_name);
- fprintf(stderr,
- "Cannot create connection: upstream port `%s` does not match any connection\n",
- upstream_port_name);
-
-error:
- ret = -1;
-
-end:
- return ret;
-}
-
-static
-bt_graph_listener_status
-graph_output_port_added_listener(struct cmd_run_ctx *ctx,
- const bt_port_output *out_port)
-{
- const bt_component *comp;
- const bt_port *port = bt_port_output_as_port_const(out_port);
- bt_graph_listener_status ret = BT_GRAPH_LISTENER_STATUS_OK;
-
- comp = bt_port_borrow_component_const(port);
- BT_LOGI("Port added to a graph's component: comp-addr=%p, "
- "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
- comp, comp ? bt_component_get_name(comp) : "",
- port, bt_port_get_name(port));
-
- if (!ctx->connect_ports) {
- goto end;
- }
-
- if (!comp) {
- BT_LOGW_STR("Port has no component.");
- goto end;
- }
-
- if (bt_port_is_connected(port)) {
- BT_LOGW_STR("Port is already connected.");
- goto end;
- }
-
- if (cmd_run_ctx_connect_upstream_port(ctx, out_port)) {
- BT_LOGF_STR("Cannot connect upstream port.");
- fprintf(stderr, "Added port could not be connected: aborting\n");
- ret = BT_GRAPH_LISTENER_STATUS_ERROR;
- goto end;
- }
-
-end:
- return ret;
-}
-
-static
-bt_graph_listener_status graph_source_output_port_added_listener(
- const bt_component_source *component,
- const bt_port_output *port, void *data)
-{
- return graph_output_port_added_listener(data, port);
-}
-
-static
-bt_graph_listener_status graph_filter_output_port_added_listener(
- const bt_component_filter *component,
- const bt_port_output *port, void *data)
-{
- return graph_output_port_added_listener(data, port);
-}
-
-static
-void cmd_run_ctx_destroy(struct cmd_run_ctx *ctx)
-{
- if (!ctx) {
- return;
- }
-
- if (ctx->src_components) {
- g_hash_table_destroy(ctx->src_components);
- ctx->src_components = NULL;
- }
-
- if (ctx->flt_components) {
- g_hash_table_destroy(ctx->flt_components);
- ctx->flt_components = NULL;
- }
-
- if (ctx->sink_components) {
- g_hash_table_destroy(ctx->sink_components);
- ctx->sink_components = NULL;
- }
-
- if (ctx->intersections) {
- g_hash_table_destroy(ctx->intersections);
- ctx->intersections = NULL;
- }
-
- BT_GRAPH_PUT_REF_AND_RESET(ctx->graph);
- the_graph = NULL;
- ctx->cfg = NULL;
-}
-
-static
-int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
-{
- int ret = 0;
- bt_graph_status status;
-
- ctx->cfg = cfg;
- ctx->connect_ports = false;
- ctx->src_components = g_hash_table_new_full(g_direct_hash,
- g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
- if (!ctx->src_components) {
- goto error;
- }
-
- ctx->flt_components = g_hash_table_new_full(g_direct_hash,
- g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
- if (!ctx->flt_components) {
- goto error;
- }
-
- ctx->sink_components = g_hash_table_new_full(g_direct_hash,
- g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
- if (!ctx->sink_components) {
- goto error;
- }
-
- if (cfg->cmd_data.run.stream_intersection_mode) {
- ctx->stream_intersection_mode = true;
- ctx->intersections = g_hash_table_new_full(port_id_hash,
- port_id_equal, port_id_destroy, trace_range_destroy);
- if (!ctx->intersections) {
- goto error;
- }
- }
-
- ctx->graph = bt_graph_create();
- if (!ctx->graph) {
- goto error;
- }
-
- the_graph = ctx->graph;
- status = bt_graph_add_source_component_output_port_added_listener(
- ctx->graph, graph_source_output_port_added_listener, NULL, ctx,
- NULL);
- if (status != BT_GRAPH_STATUS_OK) {
- BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
- goto error;
- }
-
- status = bt_graph_add_filter_component_output_port_added_listener(
- ctx->graph, graph_filter_output_port_added_listener, NULL, ctx,
- NULL);
- if (status != BT_GRAPH_STATUS_OK) {
- BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
- goto error;
- }
-
- goto end;
-
-error:
- cmd_run_ctx_destroy(ctx);
- ret = -1;
-
-end:
- return ret;
-}
-
-static
-int set_stream_intersections(struct cmd_run_ctx *ctx,
- struct bt_config_component *cfg_comp,
- const bt_component_class_source *src_comp_cls)
-{
- int ret = 0;
- uint64_t trace_idx;
- int64_t trace_count;
- const char *path = NULL;
- const bt_value *query_result = NULL;
- const bt_value *trace_info = NULL;
- const bt_value *intersection_range = NULL;
- const bt_value *intersection_begin = NULL;
- const bt_value *intersection_end = NULL;
- const bt_value *stream_infos = NULL;
- const bt_value *stream_info = NULL;
- struct port_id *port_id = NULL;
- struct trace_range *trace_range = NULL;
- const char *fail_reason = NULL;
- const bt_component_class *comp_cls =
- bt_component_class_source_as_component_class_const(src_comp_cls);
-
- ret = query(comp_cls, "trace-info",
- cfg_comp->params, &query_result,
- &fail_reason);
- if (ret) {
- BT_LOGD("Component class does not support the `trace-info` query: %s: "
- "comp-class-name=\"%s\"", fail_reason,
- bt_component_class_get_name(comp_cls));
- ret = -1;
- goto error;
- }
-
- BT_ASSERT(query_result);
-
- if (!bt_value_is_array(query_result)) {
- BT_LOGD("Unexpected format of \'trace-info\' query result: "
- "component-class-name=%s",
- bt_component_class_get_name(comp_cls));
- ret = -1;
- goto error;
- }
-
- trace_count = bt_value_array_get_size(query_result);
- if (trace_count < 0) {
- ret = -1;
- goto error;
- }
-
- for (trace_idx = 0; trace_idx < trace_count; trace_idx++) {
- int64_t begin, end;
- uint64_t stream_idx;
- int64_t stream_count;
-
- trace_info = bt_value_array_borrow_element_by_index_const(
- query_result, trace_idx);
- if (!trace_info || !bt_value_is_map(trace_info)) {
- ret = -1;
- BT_LOGD_STR("Cannot retrieve trace from query result.");
- goto error;
- }
-
- intersection_range = bt_value_map_borrow_entry_value_const(
- trace_info, "intersection-range-ns");
- if (!intersection_range) {
- ret = -1;
- BT_LOGD_STR("Cannot retrieve \'intersetion-range-ns\' field from query result.");
- goto error;
- }
-
- intersection_begin = bt_value_map_borrow_entry_value_const(intersection_range,
- "begin");
- if (!intersection_begin) {
- ret = -1;
- BT_LOGD_STR("Cannot retrieve intersection-range-ns \'begin\' field from query result.");
- goto error;
- }
-
- intersection_end = bt_value_map_borrow_entry_value_const(intersection_range,
- "end");
- if (!intersection_end) {
- ret = -1;
- BT_LOGD_STR("Cannot retrieve intersection-range-ns \'end\' field from query result.");
- goto error;
- }
-
- begin = bt_value_signed_integer_get(intersection_begin);
- end = bt_value_signed_integer_get(intersection_end);
-
- if (begin < 0 || end < 0 || end < begin) {
- BT_LOGW("Invalid trace stream intersection values: "
- "intersection-range-ns:begin=%" PRId64
- ", intersection-range-ns:end=%" PRId64,
- begin, end);
- ret = -1;
- goto error;
- }
-
- stream_infos = bt_value_map_borrow_entry_value_const(trace_info,
- "streams");
- if (!stream_infos || !bt_value_is_array(stream_infos)) {
- ret = -1;
- BT_LOGD_STR("Cannot retrieve stream information from trace in query result.");
- goto error;
- }
-
- stream_count = bt_value_array_get_size(stream_infos);
- if (stream_count < 0) {
- ret = -1;
- goto error;
- }
-
- for (stream_idx = 0; stream_idx < stream_count; stream_idx++) {
- const bt_value *port_name;
-
- port_id = g_new0(struct port_id, 1);
- if (!port_id) {
- ret = -1;
- BT_LOGE_STR("Cannot allocate memory for port_id structure.");
- goto error;
- }
- port_id->instance_name = strdup(cfg_comp->instance_name->str);
- if (!port_id->instance_name) {
- ret = -1;
- BT_LOGE_STR("Cannot allocate memory for port_id component instance name.");
- goto error;
- }
-
- trace_range = g_new0(struct trace_range, 1);
- if (!trace_range) {
- ret = -1;
- BT_LOGE_STR("Cannot allocate memory for trace_range structure.");
- goto error;
- }
- trace_range->intersection_range_begin_ns = begin;
- trace_range->intersection_range_end_ns = end;
-
- stream_info = bt_value_array_borrow_element_by_index_const(
- stream_infos, stream_idx);
- if (!stream_info || !bt_value_is_map(stream_info)) {
- ret = -1;
- BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
- goto error;
- }
-
- port_name = bt_value_map_borrow_entry_value_const(stream_info, "port-name");
- if (!port_name || !bt_value_is_string(port_name)) {
- ret = -1;
- BT_LOGD_STR("Cannot retrieve port name in query result.");
- goto error;
- }
-
- port_id->port_name = g_strdup(bt_value_string_get(port_name));
- if (!port_id->port_name) {
- ret = -1;
- BT_LOGE_STR("Cannot allocate memory for port_id port_name.");
- goto error;
- }
-
- BT_LOGD("Inserting stream intersection ");
-
- g_hash_table_insert(ctx->intersections, port_id, trace_range);
-
- port_id = NULL;
- trace_range = NULL;
- }
- }
-
- goto end;
-
-error:
- fprintf(stderr, "%s%sCannot determine stream intersection of trace at path \'%s\'.%s\n",
- bt_common_color_bold(),
- bt_common_color_fg_yellow(),
- path ? path : "(unknown)",
- bt_common_color_reset());
-end:
- bt_value_put_ref(query_result);
- g_free(port_id);
- g_free(trace_range);
- return ret;
-}
-
-static
-int cmd_run_ctx_create_components_from_config_components(
- struct cmd_run_ctx *ctx, GPtrArray *cfg_components)
-{
- size_t i;
- const void *comp_cls = NULL;
- const void *comp = NULL;
- int ret = 0;
-
- for (i = 0; i < cfg_components->len; i++) {
- struct bt_config_component *cfg_comp =
- g_ptr_array_index(cfg_components, i);
- GQuark quark;
-
- switch (cfg_comp->type) {
- case BT_COMPONENT_CLASS_TYPE_SOURCE:
- comp_cls = find_source_component_class(
- cfg_comp->plugin_name->str,
- cfg_comp->comp_cls_name->str);
- break;
- case BT_COMPONENT_CLASS_TYPE_FILTER:
- comp_cls = find_filter_component_class(
- cfg_comp->plugin_name->str,
- cfg_comp->comp_cls_name->str);
- break;
- case BT_COMPONENT_CLASS_TYPE_SINK:
- comp_cls = find_sink_component_class(
- cfg_comp->plugin_name->str,
- cfg_comp->comp_cls_name->str);
- break;
- default:
- abort();
- }
-
- if (!comp_cls) {
- BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
- "comp-cls-name=\"%s\", comp-cls-type=%d",
- cfg_comp->plugin_name->str,
- cfg_comp->comp_cls_name->str,
- cfg_comp->type);
- fprintf(stderr, "%s%sCannot find component class %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr,
- cfg_comp->plugin_name->str,
- cfg_comp->comp_cls_name->str,
- cfg_comp->type);
- fprintf(stderr, "\n");
- goto error;
- }
-
- switch (cfg_comp->type) {
- case BT_COMPONENT_CLASS_TYPE_SOURCE:
- ret = bt_graph_add_source_component(ctx->graph,
- comp_cls, cfg_comp->instance_name->str,
- cfg_comp->params,
- (void *) &comp);
- break;
- case BT_COMPONENT_CLASS_TYPE_FILTER:
- ret = bt_graph_add_filter_component(ctx->graph,
- comp_cls, cfg_comp->instance_name->str,
- cfg_comp->params,
- (void *) &comp);
- break;
- case BT_COMPONENT_CLASS_TYPE_SINK:
- ret = bt_graph_add_sink_component(ctx->graph,
- comp_cls, cfg_comp->instance_name->str,
- cfg_comp->params,
- (void *) &comp);
- break;
- default:
- abort();
- }
-
- if (ret) {
- BT_LOGE("Cannot create component: plugin-name=\"%s\", "
- "comp-cls-name=\"%s\", comp-cls-type=%d, "
- "comp-name=\"%s\"",
- cfg_comp->plugin_name->str,
- cfg_comp->comp_cls_name->str,
- cfg_comp->type, cfg_comp->instance_name->str);
- fprintf(stderr, "%s%sCannot create component `%s`%s\n",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- cfg_comp->instance_name->str,
- bt_common_color_reset());
- goto error;
- }
-
- if (ctx->stream_intersection_mode &&
- cfg_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) {
- ret = set_stream_intersections(ctx, cfg_comp, comp_cls);
- if (ret) {
- goto error;
- }
- }
-
- BT_LOGI("Created and inserted component: comp-addr=%p, comp-name=\"%s\"",
- comp, cfg_comp->instance_name->str);
- quark = g_quark_from_string(cfg_comp->instance_name->str);
- BT_ASSERT(quark > 0);
-
- switch (cfg_comp->type) {
- case BT_COMPONENT_CLASS_TYPE_SOURCE:
- g_hash_table_insert(ctx->src_components,
- GUINT_TO_POINTER(quark), (void *) comp);
- break;
- case BT_COMPONENT_CLASS_TYPE_FILTER:
- g_hash_table_insert(ctx->flt_components,
- GUINT_TO_POINTER(quark), (void *) comp);
- break;
- case BT_COMPONENT_CLASS_TYPE_SINK:
- g_hash_table_insert(ctx->sink_components,
- GUINT_TO_POINTER(quark), (void *) comp);
- break;
- default:
- abort();
- }
-
- comp = NULL;
- BT_OBJECT_PUT_REF_AND_RESET(comp_cls);
- }
-
- goto end;
-
-error:
- ret = -1;
-
-end:
- bt_object_put_ref(comp);
- bt_object_put_ref(comp_cls);
- return ret;
-}
-
-static
-int cmd_run_ctx_create_components(struct cmd_run_ctx *ctx)
-{
- int ret = 0;
-
- /*
- * Make sure that, during this phase, our graph's "port added"
- * listener does not connect ports while we are creating the
- * components because we have a special, initial phase for
- * this.
- */
- ctx->connect_ports = false;
-
- ret = cmd_run_ctx_create_components_from_config_components(
- ctx, ctx->cfg->cmd_data.run.sources);
- if (ret) {
- ret = -1;
- goto end;
- }
-
- ret = cmd_run_ctx_create_components_from_config_components(
- ctx, ctx->cfg->cmd_data.run.filters);
- if (ret) {
- ret = -1;
- goto end;
- }
-
- ret = cmd_run_ctx_create_components_from_config_components(
- ctx, ctx->cfg->cmd_data.run.sinks);
- if (ret) {
- ret = -1;
- goto end;
- }
-
-end:
- return ret;
-}
-
-typedef uint64_t (*output_port_count_func_t)(const void *);
-typedef const bt_port_output *(*borrow_output_port_by_index_func_t)(
- const void *, uint64_t);
-
-static
-int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx *ctx,
- void *comp, output_port_count_func_t port_count_fn,
- borrow_output_port_by_index_func_t port_by_index_fn)
-{
- int ret = 0;
- uint64_t count;
- uint64_t i;
-
- count = port_count_fn(comp);
-
- for (i = 0; i < count; i++) {
- const bt_port_output *upstream_port = port_by_index_fn(comp, i);
-
- BT_ASSERT(upstream_port);
- ret = cmd_run_ctx_connect_upstream_port(ctx, upstream_port);
- if (ret) {
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-static
-int cmd_run_ctx_connect_ports(struct cmd_run_ctx *ctx)
-{
- int ret = 0;
- GHashTableIter iter;
- gpointer g_name_quark, g_comp;
-
- ctx->connect_ports = true;
- g_hash_table_iter_init(&iter, ctx->src_components);
-
- while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
- ret = cmd_run_ctx_connect_comp_ports(ctx, g_comp,
- (output_port_count_func_t)
- bt_component_source_get_output_port_count,
- (borrow_output_port_by_index_func_t)
- bt_component_source_borrow_output_port_by_index_const);
- if (ret) {
- goto end;
- }
- }
-
- g_hash_table_iter_init(&iter, ctx->flt_components);
-
- while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
- ret = cmd_run_ctx_connect_comp_ports(ctx, g_comp,
- (output_port_count_func_t)
- bt_component_filter_get_output_port_count,
- (borrow_output_port_by_index_func_t)
- bt_component_filter_borrow_output_port_by_index_const);
- if (ret) {
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-static inline
-const char *bt_graph_status_str(bt_graph_status status)
-{
- switch (status) {
- case BT_GRAPH_STATUS_OK:
- return "BT_GRAPH_STATUS_OK";
- case BT_GRAPH_STATUS_END:
- return "BT_GRAPH_STATUS_END";
- case BT_GRAPH_STATUS_AGAIN:
- return "BT_GRAPH_STATUS_AGAIN";
- case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
- return "BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION";
- case BT_GRAPH_STATUS_CANCELED:
- return "BT_GRAPH_STATUS_CANCELED";
- case BT_GRAPH_STATUS_ERROR:
- return "BT_GRAPH_STATUS_ERROR";
- case BT_GRAPH_STATUS_NOMEM:
- return "BT_GRAPH_STATUS_NOMEM";
- default:
- return "(unknown)";
- }
-}
-
-static
-int cmd_run(struct bt_config *cfg)
-{
- int ret = 0;
- struct cmd_run_ctx ctx = { 0 };
-
- /* Initialize the command's context and the graph object */
- if (cmd_run_ctx_init(&ctx, cfg)) {
- BT_LOGE_STR("Cannot initialize the command's context.");
- fprintf(stderr, "Cannot initialize the command's context\n");
- goto error;
- }
-
- if (canceled) {
- BT_LOGI_STR("Canceled by user before creating components.");
- goto error;
- }
-
- BT_LOGI_STR("Creating components.");
-
- /* Create the requested component instances */
- if (cmd_run_ctx_create_components(&ctx)) {
- BT_LOGE_STR("Cannot create components.");
- fprintf(stderr, "Cannot create components\n");
- goto error;
- }
-
- if (canceled) {
- BT_LOGI_STR("Canceled by user before connecting components.");
- goto error;
- }
-
- BT_LOGI_STR("Connecting components.");
-
- /* Connect the initially visible component ports */
- if (cmd_run_ctx_connect_ports(&ctx)) {
- BT_LOGE_STR("Cannot connect initial component ports.");
- fprintf(stderr, "Cannot connect initial component ports\n");
- goto error;
- }
-
- if (canceled) {
- BT_LOGI_STR("Canceled by user before running the graph.");
- goto error;
- }
-
- BT_LOGI_STR("Running the graph.");
-
- /* Run the graph */
- while (true) {
- bt_graph_status graph_status = bt_graph_run(ctx.graph);
-
- /*
- * Reset console in case something messed with console
- * codes during the graph's execution.
- */
- printf("%s", bt_common_color_reset());
- fflush(stdout);
- fprintf(stderr, "%s", bt_common_color_reset());
- BT_LOGV("bt_graph_run() returned: status=%s",
- bt_graph_status_str(graph_status));
-
- switch (graph_status) {
- case BT_GRAPH_STATUS_OK:
- break;
- case BT_GRAPH_STATUS_CANCELED:
- BT_LOGI_STR("Graph was canceled by user.");
- goto error;
- case BT_GRAPH_STATUS_AGAIN:
- if (bt_graph_is_canceled(ctx.graph)) {
- BT_LOGI_STR("Graph was canceled by user.");
- goto error;
- }
-
- if (cfg->cmd_data.run.retry_duration_us > 0) {
- BT_LOGV("Got BT_GRAPH_STATUS_AGAIN: sleeping: "
- "time-us=%" PRIu64,
- cfg->cmd_data.run.retry_duration_us);
-
- if (usleep(cfg->cmd_data.run.retry_duration_us)) {
- if (bt_graph_is_canceled(ctx.graph)) {
- BT_LOGI_STR("Graph was canceled by user.");
- goto error;
- }
- }
- }
- break;
- case BT_GRAPH_STATUS_END:
- goto end;
- default:
- BT_LOGE_STR("Graph failed to complete successfully");
- fprintf(stderr, "Graph failed to complete successfully\n");
- goto error;
- }
- }
-
- goto end;
-
-error:
- if (ret == 0) {
- ret = -1;
- }
-
-end:
- cmd_run_ctx_destroy(&ctx);
- return ret;
-}
-
-static
-void warn_command_name_and_directory_clash(struct bt_config *cfg)
-{
- const char *env_clash;
-
- if (!cfg->command_name) {
- return;
- }
-
- env_clash = getenv(ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH);
- if (env_clash && strcmp(env_clash, "0") == 0) {
- return;
- }
-
- if (g_file_test(cfg->command_name,
- G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
- fprintf(stderr, "\nNOTE: The `%s` command was executed. If you meant to convert a\n",
- cfg->command_name);
- fprintf(stderr, "trace located in the local `%s` directory, please use:\n",
- cfg->command_name);
- fprintf(stderr, "\n");
- fprintf(stderr, " babeltrace convert %s [OPTIONS]\n",
- cfg->command_name);
- }
-}
-
-static
-void init_log_level(void)
-{
- bt_cli_log_level = bt_log_get_level_from_env(ENV_BABELTRACE_CLI_LOG_LEVEL);
-}
-
-static
-void set_auto_log_levels(struct bt_config *cfg)
-{
- const char **env_var_name;
-
- /*
- * Override the configuration's default log level if
- * BABELTRACE_VERBOSE or BABELTRACE_DEBUG environment variables
- * are found for backward compatibility with legacy Babetrace 1.
- */
- if (getenv("BABELTRACE_DEBUG") &&
- strcmp(getenv("BABELTRACE_DEBUG"), "1") == 0) {
- cfg->log_level = 'V';
- } else if (getenv("BABELTRACE_VERBOSE") &&
- strcmp(getenv("BABELTRACE_VERBOSE"), "1") == 0) {
- cfg->log_level = 'I';
- }
-
- /*
- * Set log levels according to --debug or --verbose. For
- * backward compatibility, --debug is more verbose than
- * --verbose. So:
- *
- * --verbose: INFO log level
- * --debug: VERBOSE log level (includes DEBUG, which is
- * is less verbose than VERBOSE in the internal
- * logging framework)
- */
- if (!getenv("BABELTRACE_LOGGING_GLOBAL_LEVEL")) {
- if (cfg->verbose) {
- bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
- } else if (cfg->debug) {
- bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
- } else {
- /*
- * Set library's default log level if not
- * explicitly specified.
- */
- switch (cfg->log_level) {
- case 'N':
- bt_logging_set_global_level(BT_LOGGING_LEVEL_NONE);
- break;
- case 'V':
- bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
- break;
- case 'D':
- bt_logging_set_global_level(BT_LOGGING_LEVEL_DEBUG);
- break;
- case 'I':
- bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
- break;
- case 'W':
- bt_logging_set_global_level(BT_LOGGING_LEVEL_WARN);
- break;
- case 'E':
- bt_logging_set_global_level(BT_LOGGING_LEVEL_ERROR);
- break;
- case 'F':
- bt_logging_set_global_level(BT_LOGGING_LEVEL_FATAL);
- break;
- default:
- abort();
- }
- }
- }
-
- if (!getenv(ENV_BABELTRACE_CLI_LOG_LEVEL)) {
- if (cfg->verbose) {
- bt_cli_log_level = BT_LOG_INFO;
- } else if (cfg->debug) {
- bt_cli_log_level = BT_LOG_VERBOSE;
- } else {
- /*
- * Set CLI's default log level if not explicitly
- * specified.
- */
- switch (cfg->log_level) {
- case 'N':
- bt_cli_log_level = BT_LOG_NONE;
- break;
- case 'V':
- bt_cli_log_level = BT_LOG_VERBOSE;
- break;
- case 'D':
- bt_cli_log_level = BT_LOG_DEBUG;
- break;
- case 'I':
- bt_cli_log_level = BT_LOG_INFO;
- break;
- case 'W':
- bt_cli_log_level = BT_LOG_WARN;
- break;
- case 'E':
- bt_cli_log_level = BT_LOG_ERROR;
- break;
- case 'F':
- bt_cli_log_level = BT_LOG_FATAL;
- break;
- default:
- abort();
- }
- }
- }
-
- env_var_name = log_level_env_var_names;
-
- while (*env_var_name) {
- if (!getenv(*env_var_name)) {
- if (cfg->verbose) {
- g_setenv(*env_var_name, "I", 1);
- } else if (cfg->debug) {
- g_setenv(*env_var_name, "V", 1);
- } else {
- char val[2] = { 0 };
-
- /*
- * Set module's default log level if not
- * explicitly specified.
- */
- val[0] = cfg->log_level;
- g_setenv(*env_var_name, val, 1);
- }
- }
-
- env_var_name++;
- }
-}
-
-int main(int argc, const char **argv)
-{
- int ret;
- int retcode;
- struct bt_config *cfg;
-
- init_log_level();
- set_signal_handler();
- init_static_data();
- cfg = bt_config_cli_args_create_with_default(argc, argv, &retcode);
-
- if (retcode < 0) {
- /* Quit without errors; typically usage/version */
- retcode = 0;
- BT_LOGI_STR("Quitting without errors.");
- goto end;
- }
-
- if (retcode > 0) {
- BT_LOGE("Command-line error: retcode=%d", retcode);
- goto end;
- }
-
- if (!cfg) {
- BT_LOGE_STR("Failed to create a valid Babeltrace configuration.");
- fprintf(stderr, "Failed to create Babeltrace configuration\n");
- retcode = 1;
- goto end;
- }
-
- set_auto_log_levels(cfg);
- print_cfg(cfg);
-
- if (cfg->command_needs_plugins) {
- ret = load_all_plugins(cfg->plugin_paths);
- if (ret) {
- BT_LOGE("Failed to load plugins: ret=%d", ret);
- retcode = 1;
- goto end;
- }
- }
-
- BT_LOGI("Executing command: cmd=%d, command-name=\"%s\"",
- cfg->command, cfg->command_name);
-
- switch (cfg->command) {
- case BT_CONFIG_COMMAND_RUN:
- ret = cmd_run(cfg);
- break;
- case BT_CONFIG_COMMAND_LIST_PLUGINS:
- ret = cmd_list_plugins(cfg);
- break;
- case BT_CONFIG_COMMAND_HELP:
- ret = cmd_help(cfg);
- break;
- case BT_CONFIG_COMMAND_QUERY:
- ret = cmd_query(cfg);
- break;
- case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
- ret = cmd_print_ctf_metadata(cfg);
- break;
- case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
- ret = cmd_print_lttng_live_sessions(cfg);
- break;
- default:
- BT_LOGF("Invalid/unknown command: cmd=%d", cfg->command);
- abort();
- }
-
- BT_LOGI("Command completed: cmd=%d, command-name=\"%s\", ret=%d",
- cfg->command, cfg->command_name, ret);
- warn_command_name_and_directory_clash(cfg);
- retcode = ret ? 1 : 0;
-
-end:
- BT_OBJECT_PUT_REF_AND_RESET(cfg);
- fini_static_data();
- return retcode;
-}
--- /dev/null
+/*
+ * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <babeltrace/babeltrace.h>
+#include <babeltrace/common-internal.h>
+#include "babeltrace2-cfg.h"
+#include "babeltrace2-cfg-cli-args-connect.h"
+
+static bool all_named_and_printable_in_array(GPtrArray *comps)
+{
+ size_t i;
+ bool all_named_and_printable = true;
+
+ for (i = 0; i < comps->len; i++) {
+ struct bt_config_component *comp = g_ptr_array_index(comps, i);
+
+ if (comp->instance_name->len == 0) {
+ all_named_and_printable = false;
+ goto end;
+ }
+
+ if (!bt_common_string_is_printable(comp->instance_name->str)) {
+ all_named_and_printable = false;
+ goto end;
+ }
+ }
+
+end:
+ return all_named_and_printable;
+}
+
+static bool all_named_and_printable(struct bt_config *cfg)
+{
+ return all_named_and_printable_in_array(cfg->cmd_data.run.sources) &&
+ all_named_and_printable_in_array(cfg->cmd_data.run.filters) &&
+ all_named_and_printable_in_array(cfg->cmd_data.run.sinks);
+}
+
+static struct bt_config_connection *bt_config_connection_create(const char *arg)
+{
+ struct bt_config_connection *cfg_connection;
+
+ cfg_connection = g_new0(struct bt_config_connection, 1);
+ if (!cfg_connection) {
+ goto error;
+ }
+
+ cfg_connection->upstream_comp_name = g_string_new(NULL);
+ if (!cfg_connection->upstream_comp_name) {
+ goto error;
+ }
+
+ cfg_connection->downstream_comp_name = g_string_new(NULL);
+ if (!cfg_connection->downstream_comp_name) {
+ goto error;
+ }
+
+ cfg_connection->upstream_port_glob = g_string_new("*");
+ if (!cfg_connection->upstream_port_glob) {
+ goto error;
+ }
+
+ cfg_connection->downstream_port_glob = g_string_new("*");
+ if (!cfg_connection->downstream_port_glob) {
+ goto error;
+ }
+
+ cfg_connection->arg = g_string_new(arg);
+ if (!cfg_connection->arg) {
+ goto error;
+ }
+
+ goto end;
+
+error:
+ g_free(cfg_connection);
+ cfg_connection = NULL;
+
+end:
+ return cfg_connection;
+}
+
+static bool validate_port_glob(const char *port_glob)
+{
+ bool is_valid = true;
+ const char *ch = port_glob;
+
+ BT_ASSERT(port_glob);
+
+ while (*ch != '\0') {
+ switch (*ch) {
+ case '\\':
+ switch (ch[1]) {
+ case '\0':
+ goto end;
+ default:
+ ch += 2;
+ continue;
+ }
+ case '?':
+ case '[':
+ /*
+ * This is reserved for future use, to support
+ * full globbing patterns. Those characters must
+ * be escaped with `\`.
+ */
+ is_valid = false;
+ goto end;
+ default:
+ ch++;
+ break;
+ }
+ }
+
+end:
+ return is_valid;
+}
+
+static int normalize_glob_pattern(GString *glob_pattern_gs)
+{
+ int ret = 0;
+ char *glob_pattern = strdup(glob_pattern_gs->str);
+
+ if (!glob_pattern) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_common_normalize_star_glob_pattern(glob_pattern);
+ g_string_assign(glob_pattern_gs, glob_pattern);
+ free(glob_pattern);
+
+end:
+ return ret;
+}
+
+static struct bt_config_connection *cfg_connection_from_arg(const char *arg)
+{
+ const char *at = arg;
+ size_t end_pos;
+ struct bt_config_connection *cfg_conn = NULL;
+ GString *gs = NULL;
+ enum {
+ UPSTREAM_NAME,
+ DOWNSTREAM_NAME,
+ UPSTREAM_PORT_GLOB,
+ DOWNSTREAM_PORT_GLOB,
+ } state = UPSTREAM_NAME;
+
+ if (!bt_common_string_is_printable(arg)) {
+ goto error;
+ }
+
+ cfg_conn = bt_config_connection_create(arg);
+ if (!cfg_conn) {
+ goto error;
+ }
+
+ while (true) {
+ switch (state) {
+ case UPSTREAM_NAME:
+ gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
+ if (!gs || gs->len == 0) {
+ goto error;
+ }
+
+ g_string_free(cfg_conn->upstream_comp_name, TRUE);
+ cfg_conn->upstream_comp_name = gs;
+ gs = NULL;
+
+ if (at[end_pos] == ':') {
+ state = DOWNSTREAM_NAME;
+ } else if (at[end_pos] == '.') {
+ state = UPSTREAM_PORT_GLOB;
+ } else {
+ goto error;
+ }
+
+ at += end_pos + 1;
+ break;
+ case DOWNSTREAM_NAME:
+ gs = bt_common_string_until(at, ".:\\", ".:", &end_pos);
+ if (!gs || gs->len == 0) {
+ goto error;
+ }
+
+ g_string_free(cfg_conn->downstream_comp_name, TRUE);
+ cfg_conn->downstream_comp_name = gs;
+ gs = NULL;
+
+ if (at[end_pos] == '.') {
+ state = DOWNSTREAM_PORT_GLOB;
+ } else if (at[end_pos] == '\0') {
+ goto end;
+ } else {
+ goto error;
+ }
+
+ at += end_pos + 1;
+ break;
+ case UPSTREAM_PORT_GLOB:
+ gs = bt_common_string_until(at, ".:", ".:", &end_pos);
+ if (!gs || gs->len == 0) {
+ goto error;
+ }
+
+ if (!validate_port_glob(gs->str)) {
+ goto error;
+ }
+
+ if (normalize_glob_pattern(gs)) {
+ goto error;
+ }
+
+ g_string_free(cfg_conn->upstream_port_glob, TRUE);
+ cfg_conn->upstream_port_glob = gs;
+ gs = NULL;
+
+ if (at[end_pos] == ':') {
+ state = DOWNSTREAM_NAME;
+ } else {
+ goto error;
+ }
+
+ at += end_pos + 1;
+ break;
+ case DOWNSTREAM_PORT_GLOB:
+ gs = bt_common_string_until(at, ".:", ".:", &end_pos);
+ if (!gs || gs->len == 0) {
+ goto error;
+ }
+
+ if (!validate_port_glob(gs->str)) {
+ goto error;
+ }
+
+ if (normalize_glob_pattern(gs)) {
+ goto error;
+ }
+
+ g_string_free(cfg_conn->downstream_port_glob, TRUE);
+ cfg_conn->downstream_port_glob = gs;
+ gs = NULL;
+
+ if (at[end_pos] == '\0') {
+ goto end;
+ } else {
+ goto error;
+ }
+ break;
+ default:
+ abort();
+ }
+ }
+
+error:
+ bt_config_connection_destroy(cfg_conn);
+ cfg_conn = NULL;
+
+end:
+ if (gs) {
+ g_string_free(gs, TRUE);
+ }
+
+ return cfg_conn;
+}
+
+static struct bt_config_component *find_component_in_array(GPtrArray *comps,
+ const char *name)
+{
+ size_t i;
+ struct bt_config_component *found_comp = NULL;
+
+ for (i = 0; i < comps->len; i++) {
+ struct bt_config_component *comp = g_ptr_array_index(comps, i);
+
+ if (strcmp(name, comp->instance_name->str) == 0) {
+ found_comp = comp;
+ bt_object_get_ref(found_comp);
+ goto end;
+ }
+ }
+
+end:
+ return found_comp;
+}
+
+static struct bt_config_component *find_component(struct bt_config *cfg,
+ const char *name)
+{
+ struct bt_config_component *comp;
+
+ comp = find_component_in_array(cfg->cmd_data.run.sources, name);
+ if (comp) {
+ goto end;
+ }
+
+ comp = find_component_in_array(cfg->cmd_data.run.filters, name);
+ if (comp) {
+ goto end;
+ }
+
+ comp = find_component_in_array(cfg->cmd_data.run.sinks, name);
+ if (comp) {
+ goto end;
+ }
+
+end:
+ return comp;
+}
+
+static int validate_all_endpoints_exist(struct bt_config *cfg, char *error_buf,
+ size_t error_buf_size)
+{
+ size_t i;
+ int ret = 0;
+
+ for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+ struct bt_config_connection *connection =
+ g_ptr_array_index(cfg->cmd_data.run.connections, i);
+ struct bt_config_component *comp;
+
+ comp = find_component(cfg, connection->upstream_comp_name->str);
+ bt_object_put_ref(comp);
+ if (!comp) {
+ snprintf(error_buf, error_buf_size,
+ "Invalid connection: cannot find upstream component `%s`:\n %s\n",
+ connection->upstream_comp_name->str,
+ connection->arg->str);
+ ret = -1;
+ goto end;
+ }
+
+ comp = find_component(cfg, connection->downstream_comp_name->str);
+ bt_object_put_ref(comp);
+ if (!comp) {
+ snprintf(error_buf, error_buf_size,
+ "Invalid connection: cannot find downstream component `%s`:\n %s\n",
+ connection->downstream_comp_name->str,
+ connection->arg->str);
+ ret = -1;
+ goto end;
+ }
+ }
+
+end:
+ return ret;
+}
+
+static int validate_connection_directions(struct bt_config *cfg,
+ char *error_buf, size_t error_buf_size)
+{
+ size_t i;
+ int ret = 0;
+ struct bt_config_component *src_comp = NULL;
+ struct bt_config_component *dst_comp = NULL;
+
+ for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+ struct bt_config_connection *connection =
+ g_ptr_array_index(cfg->cmd_data.run.connections, i);
+
+ src_comp = find_component(cfg,
+ connection->upstream_comp_name->str);
+ BT_ASSERT(src_comp);
+ dst_comp = find_component(cfg,
+ connection->downstream_comp_name->str);
+ BT_ASSERT(dst_comp);
+
+ if (src_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) {
+ if (dst_comp->type != BT_COMPONENT_CLASS_TYPE_FILTER &&
+ dst_comp->type != BT_COMPONENT_CLASS_TYPE_SINK) {
+ snprintf(error_buf, error_buf_size,
+ "Invalid connection: source component `%s` not connected to filter or sink component:\n %s\n",
+ connection->upstream_comp_name->str,
+ connection->arg->str);
+ ret = -1;
+ goto end;
+ }
+ } else if (src_comp->type == BT_COMPONENT_CLASS_TYPE_FILTER) {
+ if (dst_comp->type != BT_COMPONENT_CLASS_TYPE_FILTER &&
+ dst_comp->type != BT_COMPONENT_CLASS_TYPE_SINK) {
+ snprintf(error_buf, error_buf_size,
+ "Invalid connection: filter component `%s` not connected to filter or sink component:\n %s\n",
+ connection->upstream_comp_name->str,
+ connection->arg->str);
+ ret = -1;
+ goto end;
+ }
+ } else {
+ snprintf(error_buf, error_buf_size,
+ "Invalid connection: cannot connect sink component `%s` to component `%s`:\n %s\n",
+ connection->upstream_comp_name->str,
+ connection->downstream_comp_name->str,
+ connection->arg->str);
+ ret = -1;
+ goto end;
+ }
+
+ BT_OBJECT_PUT_REF_AND_RESET(src_comp);
+ BT_OBJECT_PUT_REF_AND_RESET(dst_comp);
+ }
+
+end:
+ bt_object_put_ref(src_comp);
+ bt_object_put_ref(dst_comp);
+ return ret;
+}
+
+static int validate_no_cycles_rec(struct bt_config *cfg, GPtrArray *path,
+ char *error_buf, size_t error_buf_size)
+{
+ int ret = 0;
+ size_t conn_i;
+ const char *src_comp_name;
+
+ BT_ASSERT(path && path->len > 0);
+ src_comp_name = g_ptr_array_index(path, path->len - 1);
+
+ for (conn_i = 0; conn_i < cfg->cmd_data.run.connections->len; conn_i++) {
+ struct bt_config_connection *conn =
+ g_ptr_array_index(cfg->cmd_data.run.connections, conn_i);
+
+ if (strcmp(conn->upstream_comp_name->str, src_comp_name) == 0) {
+ size_t path_i;
+
+ for (path_i = 0; path_i < path->len; path_i++) {
+ const char *comp_name =
+ g_ptr_array_index(path, path_i);
+
+ if (strcmp(comp_name, conn->downstream_comp_name->str) == 0) {
+ snprintf(error_buf, error_buf_size,
+ "Invalid connection: connection forms a cycle:\n %s\n",
+ conn->arg->str);
+ ret = -1;
+ goto end;
+ }
+ }
+
+ g_ptr_array_add(path, conn->downstream_comp_name->str);
+ ret = validate_no_cycles_rec(cfg, path, error_buf,
+ error_buf_size);
+ if (ret) {
+ goto end;
+ }
+
+ g_ptr_array_remove_index(path, path->len - 1);
+ }
+ }
+
+end:
+ return ret;
+}
+
+static int validate_no_cycles(struct bt_config *cfg, char *error_buf,
+ size_t error_buf_size)
+{
+ size_t i;
+ int ret = 0;
+ GPtrArray *path;
+
+ path = g_ptr_array_new();
+ if (!path) {
+ ret = -1;
+ goto end;
+ }
+
+ g_ptr_array_add(path, NULL);
+
+ for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+ struct bt_config_connection *conn =
+ g_ptr_array_index(cfg->cmd_data.run.connections, i);
+
+ g_ptr_array_index(path, 0) = conn->upstream_comp_name->str;
+ ret = validate_no_cycles_rec(cfg, path,
+ error_buf, error_buf_size);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ if (path) {
+ g_ptr_array_free(path, TRUE);
+ }
+
+ return ret;
+}
+
+static int validate_all_components_connected_in_array(GPtrArray *comps,
+ const bt_value *connected_components,
+ char *error_buf, size_t error_buf_size)
+{
+ int ret = 0;
+ size_t i;
+
+ for (i = 0; i < comps->len; i++) {
+ struct bt_config_component *comp = g_ptr_array_index(comps, i);
+
+ if (!bt_value_map_has_entry(connected_components,
+ comp->instance_name->str)) {
+ snprintf(error_buf, error_buf_size,
+ "Component `%s` is not connected\n",
+ comp->instance_name->str);
+ ret = -1;
+ goto end;
+ }
+ }
+
+end:
+ return ret;
+}
+
+static int validate_all_components_connected(struct bt_config *cfg,
+ char *error_buf, size_t error_buf_size)
+{
+ size_t i;
+ int ret = 0;
+ bt_value *connected_components = bt_value_map_create();
+
+ if (!connected_components) {
+ ret = -1;
+ goto end;
+ }
+
+ for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+ struct bt_config_connection *connection =
+ g_ptr_array_index(cfg->cmd_data.run.connections, i);
+
+ ret = bt_value_map_insert_entry(connected_components,
+ connection->upstream_comp_name->str, bt_value_null);
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_value_map_insert_entry(connected_components,
+ connection->downstream_comp_name->str, bt_value_null);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ ret = validate_all_components_connected_in_array(
+ cfg->cmd_data.run.sources,
+ connected_components,
+ error_buf, error_buf_size);
+ if (ret) {
+ goto end;
+ }
+
+ ret = validate_all_components_connected_in_array(
+ cfg->cmd_data.run.filters,
+ connected_components,
+ error_buf, error_buf_size);
+ if (ret) {
+ goto end;
+ }
+
+ ret = validate_all_components_connected_in_array(
+ cfg->cmd_data.run.sinks,
+ connected_components,
+ error_buf, error_buf_size);
+ if (ret) {
+ goto end;
+ }
+
+end:
+ bt_value_put_ref(connected_components);
+ return ret;
+}
+
+static int validate_no_duplicate_connection(struct bt_config *cfg,
+ char *error_buf, size_t error_buf_size)
+{
+ size_t i;
+ int ret = 0;
+ bt_value *flat_connection_names =
+ bt_value_map_create();
+ GString *flat_connection_name = NULL;
+
+ if (!flat_connection_names) {
+ ret = -1;
+ goto end;
+ }
+
+ flat_connection_name = g_string_new(NULL);
+ if (!flat_connection_name) {
+ ret = -1;
+ goto end;
+ }
+
+ for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+ struct bt_config_connection *connection =
+ g_ptr_array_index(cfg->cmd_data.run.connections, i);
+
+ g_string_printf(flat_connection_name, "%s\x01%s\x01%s\x01%s",
+ connection->upstream_comp_name->str,
+ connection->upstream_port_glob->str,
+ connection->downstream_comp_name->str,
+ connection->downstream_port_glob->str);
+
+ if (bt_value_map_has_entry(flat_connection_names,
+ flat_connection_name->str)) {
+ snprintf(error_buf, error_buf_size,
+ "Duplicate connection:\n %s\n",
+ connection->arg->str);
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_value_map_insert_entry(flat_connection_names,
+ flat_connection_name->str, bt_value_null);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ bt_value_put_ref(flat_connection_names);
+
+ if (flat_connection_name) {
+ g_string_free(flat_connection_name, TRUE);
+ }
+
+ return ret;
+}
+
+static int validate_connections(struct bt_config *cfg, char *error_buf,
+ size_t error_buf_size)
+{
+ int ret;
+
+ ret = validate_all_endpoints_exist(cfg, error_buf, error_buf_size);
+ if (ret) {
+ goto end;
+ }
+
+ ret = validate_connection_directions(cfg, error_buf, error_buf_size);
+ if (ret) {
+ goto end;
+ }
+
+ ret = validate_all_components_connected(cfg, error_buf, error_buf_size);
+ if (ret) {
+ goto end;
+ }
+
+ ret = validate_no_duplicate_connection(cfg, error_buf, error_buf_size);
+ if (ret) {
+ goto end;
+ }
+
+ ret = validate_no_cycles(cfg, error_buf, error_buf_size);
+ if (ret) {
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+int bt_config_cli_args_create_connections(struct bt_config *cfg,
+ const bt_value *connection_args,
+ char *error_buf, size_t error_buf_size)
+{
+ int ret;
+ size_t i;
+
+ if (!all_named_and_printable(cfg)) {
+ snprintf(error_buf, error_buf_size,
+ "One or more components are unnamed (use --name) or contain a non-printable character\n");
+ goto error;
+ }
+
+ for (i = 0; i < bt_value_array_get_size(connection_args); i++) {
+ const bt_value *arg_value =
+ bt_value_array_borrow_element_by_index_const(
+ connection_args, i);
+ const char *arg;
+ struct bt_config_connection *cfg_connection;
+
+ arg = bt_value_string_get(arg_value);
+ cfg_connection = cfg_connection_from_arg(arg);
+ if (!cfg_connection) {
+ snprintf(error_buf, error_buf_size, "Cannot parse --connect option's argument:\n %s\n",
+ arg);
+ goto error;
+ }
+
+ g_ptr_array_add(cfg->cmd_data.run.connections,
+ cfg_connection);
+ }
+
+
+ ret = validate_connections(cfg, error_buf, error_buf_size);
+ if (ret) {
+ goto error;
+ }
+
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ return ret;
+}
--- /dev/null
+#ifndef CLI_BABELTRACE_CFG_CLI_ARGS_CONNECT_H
+#define CLI_BABELTRACE_CFG_CLI_ARGS_CONNECT_H
+
+/*
+ * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <babeltrace/value.h>
+#include <glib.h>
+#include "babeltrace2-cfg.h"
+
+int bt_config_cli_args_create_connections(struct bt_config *cfg,
+ const bt_value *connection_args,
+ char *error_buf, size_t error_buf_size);
+
+#endif /* CLI_BABELTRACE_CFG_CLI_ARGS_CONNECT_H */
--- /dev/null
+/*
+ * Copyright 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright 2017 - Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/babeltrace.h>
+#include "babeltrace2-cfg.h"
+#include "babeltrace2-cfg-cli-args.h"
+#include "babeltrace2-cfg-cli-args-default.h"
+
+#ifdef ENABLE_DEBUG_INFO
+# define BT_ENABLE_DEBUG_INFO 1
+#else
+# define BT_ENABLE_DEBUG_INFO 0
+#endif
+
+#ifdef BT_SET_DEFAULT_IN_TREE_CONFIGURATION
+
+struct bt_config *bt_config_cli_args_create_with_default(int argc,
+ const char *argv[], int *retcode)
+{
+ bt_value *initial_plugin_paths;
+ struct bt_config *cfg = NULL;
+ int ret;
+
+ initial_plugin_paths = bt_value_array_create();
+ if (!initial_plugin_paths) {
+ goto error;
+ }
+
+ ret = bt_config_append_plugin_paths(initial_plugin_paths,
+ CONFIG_IN_TREE_PLUGIN_PATH);
+ if (ret) {
+ goto error;
+ }
+
+ cfg = bt_config_cli_args_create(argc, argv, retcode, true, true,
+ initial_plugin_paths);
+ goto end;
+
+error:
+ *retcode = 1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ bt_value_put_ref(initial_plugin_paths);
+ return cfg;
+}
+
+#else /* BT_SET_DEFAULT_IN_TREE_CONFIGURATION */
+
+struct bt_config *bt_config_cli_args_create_with_default(int argc,
+ const char *argv[], int *retcode)
+{
+ return bt_config_cli_args_create(argc, argv, retcode, false, false,
+ NULL);
+}
+
+#endif /* BT_SET_DEFAULT_IN_TREE_CONFIGURATION */
--- /dev/null
+#ifndef CLI_BABELTRACE_CFG_CLI_ARGS_DEFAULT_H
+#define CLI_BABELTRACE_CFG_CLI_ARGS_DEFAULT_H
+
+/*
+ * Babeltrace Trace Converter - Default Configuration
+ *
+ * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "babeltrace2-cfg.h"
+
+struct bt_config *bt_config_cli_args_create_with_default(int argc,
+ const char *argv[], int *retcode);
+
+#endif /* CLI_BABELTRACE_CFG_CLI_ARGS_DEFAULT_H */
--- /dev/null
+/*
+ * Babeltrace trace converter - parameter parsing
+ *
+ * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#define BT_LOG_TAG "CLI-CFG-CLI-ARGS"
+#include "logging.h"
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <babeltrace/assert-internal.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <inttypes.h>
+#include <babeltrace/babeltrace.h>
+#include <babeltrace/common-internal.h>
+#include <popt.h>
+#include <glib.h>
+#include <sys/types.h>
+#include "babeltrace2-cfg.h"
+#include "babeltrace2-cfg-cli-args.h"
+#include "babeltrace2-cfg-cli-args-connect.h"
+#include "version.h"
+
+/*
+ * Error printf() macro which prepends "Error: " the first time it's
+ * called. This gives a nicer feel than having a bunch of error prefixes
+ * (since the following lines usually describe the error and possible
+ * solutions), or the error prefix just at the end.
+ */
+#define printf_err(fmt, args...) \
+ do { \
+ if (is_first_error) { \
+ fprintf(stderr, "Command line error: "); \
+ is_first_error = false; \
+ } \
+ fprintf(stderr, fmt, ##args); \
+ } while (0)
+
+static bool is_first_error = true;
+
+/* INI-style parsing FSM states */
+enum ini_parsing_fsm_state {
+ /* Expect a map key (identifier) */
+ INI_EXPECT_MAP_KEY,
+
+ /* Expect an equal character ('=') */
+ INI_EXPECT_EQUAL,
+
+ /* Expect a value */
+ INI_EXPECT_VALUE,
+
+ /* Expect a comma character (',') */
+ INI_EXPECT_COMMA,
+};
+
+/* INI-style parsing state variables */
+struct ini_parsing_state {
+ /* Lexical scanner (owned by this) */
+ GScanner *scanner;
+
+ /* Output map value object being filled (owned by this) */
+ bt_value *params;
+
+ /* Next expected FSM state */
+ enum ini_parsing_fsm_state expecting;
+
+ /* Last decoded map key (owned by this) */
+ char *last_map_key;
+
+ /* Complete INI-style string to parse (not owned by this) */
+ const char *arg;
+
+ /* Error buffer (not owned by this) */
+ GString *ini_error;
+};
+
+/* Offset option with "is set" boolean */
+struct offset_opt {
+ int64_t value;
+ bool is_set;
+};
+
+/* Legacy "ctf"/"lttng-live" format options */
+struct ctf_legacy_opts {
+ struct offset_opt offset_s;
+ struct offset_opt offset_ns;
+ bool stream_intersection;
+};
+
+/* Legacy "text" format options */
+struct text_legacy_opts {
+ /*
+ * output, dbg_info_dir, dbg_info_target_prefix, names,
+ * and fields are owned by this.
+ */
+ GString *output;
+ GString *dbg_info_dir;
+ GString *dbg_info_target_prefix;
+ const bt_value *names;
+ const bt_value *fields;
+
+ /* Flags */
+ bool no_delta;
+ bool clock_cycles;
+ bool clock_seconds;
+ bool clock_date;
+ bool clock_gmt;
+ bool dbg_info_full_path;
+ bool verbose;
+};
+
+/* Legacy input format format */
+enum legacy_input_format {
+ LEGACY_INPUT_FORMAT_NONE = 0,
+ LEGACY_INPUT_FORMAT_CTF,
+ LEGACY_INPUT_FORMAT_LTTNG_LIVE,
+};
+
+/* Legacy output format format */
+enum legacy_output_format {
+ LEGACY_OUTPUT_FORMAT_NONE = 0,
+ LEGACY_OUTPUT_FORMAT_TEXT,
+ LEGACY_OUTPUT_FORMAT_DUMMY,
+};
+
+/*
+ * Prints the "out of memory" error.
+ */
+static
+void print_err_oom(void)
+{
+ printf_err("Out of memory\n");
+}
+
+/*
+ * Appends an "expecting token" error to the INI-style parsing state's
+ * error buffer.
+ */
+static
+void ini_append_error_expecting(struct ini_parsing_state *state,
+ GScanner *scanner, const char *expecting)
+{
+ size_t i;
+ size_t pos;
+
+ g_string_append_printf(state->ini_error, "Expecting %s:\n", expecting);
+
+ /* Only print error if there's one line */
+ if (strchr(state->arg, '\n') != NULL || strlen(state->arg) == 0) {
+ return;
+ }
+
+ g_string_append_printf(state->ini_error, "\n %s\n", state->arg);
+ pos = g_scanner_cur_position(scanner) + 4;
+
+ if (!g_scanner_eof(scanner)) {
+ pos--;
+ }
+
+ for (i = 0; i < pos; ++i) {
+ g_string_append_printf(state->ini_error, " ");
+ }
+
+ g_string_append_printf(state->ini_error, "^\n\n");
+}
+
+/* Parse the next token as an unsigned integer. */
+static
+bt_value *ini_parse_uint(struct ini_parsing_state *state)
+{
+ bt_value *value = NULL;
+ GTokenType token_type = g_scanner_get_next_token(state->scanner);
+
+ if (token_type != G_TOKEN_INT) {
+ ini_append_error_expecting(state, state->scanner,
+ "integer value");
+ goto end;
+ }
+
+ value = bt_value_unsigned_integer_create_init(
+ state->scanner->value.v_int64);
+
+end:
+ return value;
+}
+
+/* Parse the next token as a number and return its negation. */
+static
+bt_value *ini_parse_neg_number(struct ini_parsing_state *state)
+{
+ bt_value *value = NULL;
+ GTokenType token_type = g_scanner_get_next_token(state->scanner);
+
+ switch (token_type) {
+ case G_TOKEN_INT:
+ {
+ /* Negative integer */
+ uint64_t int_val = state->scanner->value.v_int64;
+
+ if (int_val > (((uint64_t) INT64_MAX) + 1)) {
+ g_string_append_printf(state->ini_error,
+ "Integer value -%" PRIu64 " is outside the range of a 64-bit signed integer\n",
+ int_val);
+ } else {
+ value = bt_value_signed_integer_create_init(
+ -((int64_t) int_val));
+ }
+
+ break;
+ }
+ case G_TOKEN_FLOAT:
+ /* Negative floating point number */
+ value = bt_value_real_create_init(-state->scanner->value.v_float);
+ break;
+ default:
+ ini_append_error_expecting(state, state->scanner, "value");
+ break;
+ }
+
+ return value;
+}
+
+static bt_value *ini_parse_value(struct ini_parsing_state *state);
+
+/*
+ * Parse the current and following tokens as an array. Arrays are formatted as
+ * an opening `[`, a list of comma-separated values and a closing `]`. For
+ * convenience we support an optional trailing comma, after the last value.
+ *
+ * The current token of the parser must be the opening square bracket of the
+ * array.
+ */
+static
+bt_value *ini_parse_array(struct ini_parsing_state *state)
+{
+ /* The [ character must have already been ingested. */
+ BT_ASSERT(g_scanner_cur_token(state->scanner) == G_TOKEN_CHAR);
+ BT_ASSERT(g_scanner_cur_value(state->scanner).v_char == '[');
+
+ bt_value *array_value;
+ GTokenType token_type;
+
+ array_value = bt_value_array_create ();
+ token_type = g_scanner_get_next_token(state->scanner);
+
+ /* While the current token is not a ]... */
+ while (!(token_type == G_TOKEN_CHAR && g_scanner_cur_value(state->scanner).v_char == ']')) {
+ /* Parse the item... */
+ bt_value *item_value;
+ bt_value_status status;
+
+ item_value = ini_parse_value(state);
+ if (!item_value) {
+ goto error;
+ }
+
+ /* ... and add it to the result array. */
+ status = bt_value_array_append_element(array_value, item_value);
+ BT_VALUE_PUT_REF_AND_RESET(item_value);
+
+ if (status != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+
+ /*
+ * Ingest the token following the value, it should be either a
+ * comma or closing square brace.
+ */
+ token_type = g_scanner_get_next_token(state->scanner);
+
+ if (token_type == G_TOKEN_CHAR && g_scanner_cur_value(state->scanner).v_char == ',') {
+ /*
+ * Ingest the token following the comma. If it happens
+ * to be a closing square bracket, we'll exit the loop
+ * and we are done (we allow trailing commas).
+ * Otherwise, we are ready for the next ini_parse_value call.
+ */
+ token_type = g_scanner_get_next_token(state->scanner);
+ } else if (token_type != G_TOKEN_CHAR || g_scanner_cur_value(state->scanner).v_char != ']') {
+ ini_append_error_expecting(state, state->scanner, ", or ]");
+ goto error;
+ }
+ }
+
+ goto end;
+
+error:
+ BT_VALUE_PUT_REF_AND_RESET(array_value);
+
+end:
+ return array_value;
+}
+
+/*
+ * Parse the current token (and the following ones if needed) as a value, return
+ * it as a bt_value.
+ */
+static
+bt_value *ini_parse_value(struct ini_parsing_state *state)
+{
+ bt_value *value = NULL;
+ GTokenType token_type = state->scanner->token;
+
+ switch (token_type) {
+ case G_TOKEN_CHAR:
+ if (state->scanner->value.v_char == '-') {
+ /* Negative number */
+ value = ini_parse_neg_number(state);
+ } else if (state->scanner->value.v_char == '+') {
+ /* Unsigned integer */
+ value = ini_parse_uint(state);
+ } else if (state->scanner->value.v_char == '[') {
+ /* Array */
+ value = ini_parse_array(state);
+ } else {
+ ini_append_error_expecting(state, state->scanner, "value");
+ }
+ break;
+ case G_TOKEN_INT:
+ {
+ /* Positive, signed integer */
+ uint64_t int_val = state->scanner->value.v_int64;
+
+ if (int_val > INT64_MAX) {
+ g_string_append_printf(state->ini_error,
+ "Integer value %" PRIu64 " is outside the range of a 64-bit signed integer\n",
+ int_val);
+ } else {
+ value = bt_value_signed_integer_create_init(
+ (int64_t) int_val);
+ }
+ break;
+ }
+ case G_TOKEN_FLOAT:
+ /* Positive floating point number */
+ value = bt_value_real_create_init(state->scanner->value.v_float);
+ break;
+ case G_TOKEN_STRING:
+ /* Quoted string */
+ value = bt_value_string_create_init(state->scanner->value.v_string);
+ break;
+ case G_TOKEN_IDENTIFIER:
+ {
+ /*
+ * Using symbols would be appropriate here,
+ * but said symbols are allowed as map key,
+ * so it's easier to consider everything an
+ * identifier.
+ *
+ * If one of the known symbols is not
+ * recognized here, then fall back to creating
+ * a string value.
+ */
+ const char *id = state->scanner->value.v_identifier;
+
+ if (!strcmp(id, "null") || !strcmp(id, "NULL") ||
+ !strcmp(id, "nul")) {
+ value = bt_value_null;
+ } else if (!strcmp(id, "true") || !strcmp(id, "TRUE") ||
+ !strcmp(id, "yes") ||
+ !strcmp(id, "YES")) {
+ value = bt_value_bool_create_init(true);
+ } else if (!strcmp(id, "false") ||
+ !strcmp(id, "FALSE") ||
+ !strcmp(id, "no") ||
+ !strcmp(id, "NO")) {
+ value = bt_value_bool_create_init(false);
+ } else {
+ value = bt_value_string_create_init(id);
+ }
+ break;
+ }
+ default:
+ /* Unset value variable will trigger the error */
+ ini_append_error_expecting(state, state->scanner, "value");
+ break;
+ }
+
+ return value;
+}
+
+static
+int ini_handle_state(struct ini_parsing_state *state)
+{
+ int ret = 0;
+ GTokenType token_type;
+ bt_value *value = NULL;
+
+ token_type = g_scanner_get_next_token(state->scanner);
+ if (token_type == G_TOKEN_EOF) {
+ if (state->expecting != INI_EXPECT_COMMA) {
+ switch (state->expecting) {
+ case INI_EXPECT_EQUAL:
+ ini_append_error_expecting(state,
+ state->scanner, "'='");
+ break;
+ case INI_EXPECT_VALUE:
+ ini_append_error_expecting(state,
+ state->scanner, "value");
+ break;
+ case INI_EXPECT_MAP_KEY:
+ ini_append_error_expecting(state,
+ state->scanner, "unquoted map key");
+ break;
+ default:
+ break;
+ }
+ goto error;
+ }
+
+ /* We're done! */
+ ret = 1;
+ goto success;
+ }
+
+ switch (state->expecting) {
+ case INI_EXPECT_MAP_KEY:
+ if (token_type != G_TOKEN_IDENTIFIER) {
+ ini_append_error_expecting(state, state->scanner,
+ "unquoted map key");
+ goto error;
+ }
+
+ free(state->last_map_key);
+ state->last_map_key =
+ strdup(state->scanner->value.v_identifier);
+ if (!state->last_map_key) {
+ g_string_append(state->ini_error,
+ "Out of memory\n");
+ goto error;
+ }
+
+ if (bt_value_map_has_entry(state->params,
+ state->last_map_key)) {
+ g_string_append_printf(state->ini_error,
+ "Duplicate parameter key: `%s`\n",
+ state->last_map_key);
+ goto error;
+ }
+
+ state->expecting = INI_EXPECT_EQUAL;
+ goto success;
+ case INI_EXPECT_EQUAL:
+ if (token_type != G_TOKEN_CHAR) {
+ ini_append_error_expecting(state,
+ state->scanner, "'='");
+ goto error;
+ }
+
+ if (state->scanner->value.v_char != '=') {
+ ini_append_error_expecting(state,
+ state->scanner, "'='");
+ goto error;
+ }
+
+ state->expecting = INI_EXPECT_VALUE;
+ goto success;
+ case INI_EXPECT_VALUE:
+ {
+ value = ini_parse_value(state);
+ if (!value) {
+ goto error;
+ }
+
+ state->expecting = INI_EXPECT_COMMA;
+ goto success;
+ }
+ case INI_EXPECT_COMMA:
+ if (token_type != G_TOKEN_CHAR) {
+ ini_append_error_expecting(state,
+ state->scanner, "','");
+ goto error;
+ }
+
+ if (state->scanner->value.v_char != ',') {
+ ini_append_error_expecting(state,
+ state->scanner, "','");
+ goto error;
+ }
+
+ state->expecting = INI_EXPECT_MAP_KEY;
+ goto success;
+ default:
+ abort();
+ }
+
+error:
+ ret = -1;
+ goto end;
+
+success:
+ if (value) {
+ if (bt_value_map_insert_entry(state->params,
+ state->last_map_key, value)) {
+ /* Only override return value on error */
+ ret = -1;
+ }
+ }
+
+end:
+ BT_VALUE_PUT_REF_AND_RESET(value);
+ return ret;
+}
+
+/*
+ * Converts an INI-style argument to an equivalent map value object.
+ *
+ * Return value is owned by the caller.
+ */
+static
+bt_value *bt_value_from_ini(const char *arg,
+ GString *ini_error)
+{
+ /* Lexical scanner configuration */
+ GScannerConfig scanner_config = {
+ /* Skip whitespaces */
+ .cset_skip_characters = " \t\n",
+
+ /* Identifier syntax is: [a-zA-Z_][a-zA-Z0-9_.:-]* */
+ .cset_identifier_first =
+ G_CSET_a_2_z
+ "_"
+ G_CSET_A_2_Z,
+ .cset_identifier_nth =
+ G_CSET_a_2_z
+ "_0123456789-.:"
+ G_CSET_A_2_Z,
+
+ /* "hello" and "Hello" two different keys */
+ .case_sensitive = TRUE,
+
+ /* No comments */
+ .cpair_comment_single = NULL,
+ .skip_comment_multi = TRUE,
+ .skip_comment_single = TRUE,
+ .scan_comment_multi = FALSE,
+
+ /*
+ * Do scan identifiers, including 1-char identifiers,
+ * but NULL is a normal identifier.
+ */
+ .scan_identifier = TRUE,
+ .scan_identifier_1char = TRUE,
+ .scan_identifier_NULL = FALSE,
+
+ /*
+ * No specific symbols: null and boolean "symbols" are
+ * scanned as plain identifiers.
+ */
+ .scan_symbols = FALSE,
+ .symbol_2_token = FALSE,
+ .scope_0_fallback = FALSE,
+
+ /*
+ * Scan "0b"-, "0"-, and "0x"-prefixed integers, but not
+ * integers prefixed with "$".
+ */
+ .scan_binary = TRUE,
+ .scan_octal = TRUE,
+ .scan_float = TRUE,
+ .scan_hex = TRUE,
+ .scan_hex_dollar = FALSE,
+
+ /* Convert scanned numbers to integer tokens */
+ .numbers_2_int = TRUE,
+
+ /* Support both integers and floating-point numbers */
+ .int_2_float = FALSE,
+
+ /* Scan integers as 64-bit signed integers */
+ .store_int64 = TRUE,
+
+ /* Only scan double-quoted strings */
+ .scan_string_sq = FALSE,
+ .scan_string_dq = TRUE,
+
+ /* Do not converter identifiers to string tokens */
+ .identifier_2_string = FALSE,
+
+ /* Scan characters as G_TOKEN_CHAR token */
+ .char_2_token = FALSE,
+ };
+ struct ini_parsing_state state = {
+ .scanner = NULL,
+ .params = NULL,
+ .expecting = INI_EXPECT_MAP_KEY,
+ .arg = arg,
+ .ini_error = ini_error,
+ };
+
+ state.params = bt_value_map_create();
+ if (!state.params) {
+ goto error;
+ }
+
+ state.scanner = g_scanner_new(&scanner_config);
+ if (!state.scanner) {
+ goto error;
+ }
+
+ /* Let the scan begin */
+ g_scanner_input_text(state.scanner, arg, strlen(arg));
+
+ while (true) {
+ int ret = ini_handle_state(&state);
+
+ if (ret < 0) {
+ /* Error */
+ goto error;
+ } else if (ret > 0) {
+ /* Done */
+ break;
+ }
+ }
+
+ goto end;
+
+error:
+ BT_VALUE_PUT_REF_AND_RESET(state.params);
+
+end:
+ if (state.scanner) {
+ g_scanner_destroy(state.scanner);
+ }
+
+ free(state.last_map_key);
+ return state.params;
+}
+
+/*
+ * Returns the parameters map value object from a command-line
+ * parameter option's argument.
+ *
+ * Return value is owned by the caller.
+ */
+static
+bt_value *bt_value_from_arg(const char *arg)
+{
+ bt_value *params = NULL;
+ GString *ini_error = NULL;
+
+ ini_error = g_string_new(NULL);
+ if (!ini_error) {
+ print_err_oom();
+ goto end;
+ }
+
+ /* Try INI-style parsing */
+ params = bt_value_from_ini(arg, ini_error);
+ if (!params) {
+ printf_err("%s", ini_error->str);
+ goto end;
+ }
+
+end:
+ if (ini_error) {
+ g_string_free(ini_error, TRUE);
+ }
+
+ return params;
+}
+
+/*
+ * Returns the plugin name, component class name, component class type,
+ * and component name from a command-line --component option's argument.
+ * arg must have the following format:
+ *
+ * [NAME:]TYPE.PLUGIN.CLS
+ *
+ * where NAME is the optional component name, TYPE is either `source`,
+ * `filter`, or `sink`, PLUGIN is the plugin name, and CLS is the
+ * component class name.
+ *
+ * On success, both *plugin and *component are not NULL. *plugin
+ * and *comp_cls are owned by the caller. On success, *name can be NULL
+ * if no component class name was found, and *comp_cls_type is set.
+ */
+static
+void plugin_comp_cls_names(const char *arg, char **name, char **plugin,
+ char **comp_cls, bt_component_class_type *comp_cls_type)
+{
+ const char *at = arg;
+ GString *gs_name = NULL;
+ GString *gs_comp_cls_type = NULL;
+ GString *gs_plugin = NULL;
+ GString *gs_comp_cls = NULL;
+ size_t end_pos;
+
+ BT_ASSERT(arg);
+ BT_ASSERT(plugin);
+ BT_ASSERT(comp_cls);
+ BT_ASSERT(comp_cls_type);
+
+ if (!bt_common_string_is_printable(arg)) {
+ printf_err("Argument contains a non-printable character\n");
+ goto error;
+ }
+
+ /* Parse the component name */
+ gs_name = bt_common_string_until(at, ".:\\", ":", &end_pos);
+ if (!gs_name) {
+ goto error;
+ }
+
+ if (arg[end_pos] == ':') {
+ at += end_pos + 1;
+ } else {
+ /* No name */
+ g_string_assign(gs_name, "");
+ }
+
+ /* Parse the component class type */
+ gs_comp_cls_type = bt_common_string_until(at, ".:\\", ".", &end_pos);
+ if (!gs_comp_cls_type || at[end_pos] == '\0') {
+ printf_err("Missing component class type (`source`, `filter`, or `sink`)\n");
+ goto error;
+ }
+
+ if (strcmp(gs_comp_cls_type->str, "source") == 0 ||
+ strcmp(gs_comp_cls_type->str, "src") == 0) {
+ *comp_cls_type = BT_COMPONENT_CLASS_TYPE_SOURCE;
+ } else if (strcmp(gs_comp_cls_type->str, "filter") == 0 ||
+ strcmp(gs_comp_cls_type->str, "flt") == 0) {
+ *comp_cls_type = BT_COMPONENT_CLASS_TYPE_FILTER;
+ } else if (strcmp(gs_comp_cls_type->str, "sink") == 0) {
+ *comp_cls_type = BT_COMPONENT_CLASS_TYPE_SINK;
+ } else {
+ printf_err("Unknown component class type: `%s`\n",
+ gs_comp_cls_type->str);
+ goto error;
+ }
+
+ at += end_pos + 1;
+
+ /* Parse the plugin name */
+ gs_plugin = bt_common_string_until(at, ".:\\", ".", &end_pos);
+ if (!gs_plugin || gs_plugin->len == 0 || at[end_pos] == '\0') {
+ printf_err("Missing plugin or component class name\n");
+ goto error;
+ }
+
+ at += end_pos + 1;
+
+ /* Parse the component class name */
+ gs_comp_cls = bt_common_string_until(at, ".:\\", ".", &end_pos);
+ if (!gs_comp_cls || gs_comp_cls->len == 0) {
+ printf_err("Missing component class name\n");
+ goto error;
+ }
+
+ if (at[end_pos] != '\0') {
+ /* Found a non-escaped `.` */
+ goto error;
+ }
+
+ if (name) {
+ if (gs_name->len == 0) {
+ *name = NULL;
+ g_string_free(gs_name, TRUE);
+ } else {
+ *name = gs_name->str;
+ g_string_free(gs_name, FALSE);
+ }
+ } else {
+ g_string_free(gs_name, TRUE);
+ }
+
+ *plugin = gs_plugin->str;
+ *comp_cls = gs_comp_cls->str;
+ g_string_free(gs_plugin, FALSE);
+ g_string_free(gs_comp_cls, FALSE);
+ gs_name = NULL;
+ gs_plugin = NULL;
+ gs_comp_cls = NULL;
+ goto end;
+
+error:
+ if (name) {
+ *name = NULL;
+ }
+
+ *plugin = NULL;
+ *comp_cls = NULL;
+
+end:
+ if (gs_name) {
+ g_string_free(gs_name, TRUE);
+ }
+
+ if (gs_plugin) {
+ g_string_free(gs_plugin, TRUE);
+ }
+
+ if (gs_comp_cls) {
+ g_string_free(gs_comp_cls, TRUE);
+ }
+
+ if (gs_comp_cls_type) {
+ g_string_free(gs_comp_cls_type, TRUE);
+ }
+
+ return;
+}
+
+/*
+ * Prints the Babeltrace version.
+ */
+static
+void print_version(void)
+{
+ if (GIT_VERSION[0] == '\0') {
+ puts("Babeltrace " VERSION);
+ } else {
+ puts("Babeltrace " VERSION " - " GIT_VERSION);
+ }
+}
+
+/*
+ * Destroys a component configuration.
+ */
+static
+void bt_config_component_destroy(bt_object *obj)
+{
+ struct bt_config_component *bt_config_component =
+ container_of(obj, struct bt_config_component, base);
+
+ if (!obj) {
+ goto end;
+ }
+
+ if (bt_config_component->plugin_name) {
+ g_string_free(bt_config_component->plugin_name, TRUE);
+ }
+
+ if (bt_config_component->comp_cls_name) {
+ g_string_free(bt_config_component->comp_cls_name, TRUE);
+ }
+
+ if (bt_config_component->instance_name) {
+ g_string_free(bt_config_component->instance_name, TRUE);
+ }
+
+ BT_VALUE_PUT_REF_AND_RESET(bt_config_component->params);
+ g_free(bt_config_component);
+
+end:
+ return;
+}
+
+/*
+ * Creates a component configuration using the given plugin name and
+ * component name. `plugin_name` and `comp_cls_name` are copied (belong
+ * to the return value).
+ *
+ * Return value is owned by the caller.
+ */
+static
+struct bt_config_component *bt_config_component_create(
+ bt_component_class_type type,
+ const char *plugin_name, const char *comp_cls_name)
+{
+ struct bt_config_component *cfg_component = NULL;
+
+ cfg_component = g_new0(struct bt_config_component, 1);
+ if (!cfg_component) {
+ print_err_oom();
+ goto error;
+ }
+
+ bt_object_init_shared(&cfg_component->base,
+ bt_config_component_destroy);
+ cfg_component->type = type;
+ cfg_component->plugin_name = g_string_new(plugin_name);
+ if (!cfg_component->plugin_name) {
+ print_err_oom();
+ goto error;
+ }
+
+ cfg_component->comp_cls_name = g_string_new(comp_cls_name);
+ if (!cfg_component->comp_cls_name) {
+ print_err_oom();
+ goto error;
+ }
+
+ cfg_component->instance_name = g_string_new(NULL);
+ if (!cfg_component->instance_name) {
+ print_err_oom();
+ goto error;
+ }
+
+ /* Start with empty parameters */
+ cfg_component->params = bt_value_map_create();
+ if (!cfg_component->params) {
+ print_err_oom();
+ goto error;
+ }
+
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(cfg_component);
+
+end:
+ return cfg_component;
+}
+
+/*
+ * Creates a component configuration from a command-line --component
+ * option's argument.
+ */
+static
+struct bt_config_component *bt_config_component_from_arg(const char *arg)
+{
+ struct bt_config_component *cfg_comp = NULL;
+ char *name = NULL;
+ char *plugin_name = NULL;
+ char *comp_cls_name = NULL;
+ bt_component_class_type type;
+
+ plugin_comp_cls_names(arg, &name, &plugin_name, &comp_cls_name, &type);
+ if (!plugin_name || !comp_cls_name) {
+ goto error;
+ }
+
+ cfg_comp = bt_config_component_create(type, plugin_name, comp_cls_name);
+ if (!cfg_comp) {
+ goto error;
+ }
+
+ if (name) {
+ g_string_assign(cfg_comp->instance_name, name);
+ }
+
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(cfg_comp);
+
+end:
+ g_free(name);
+ g_free(plugin_name);
+ g_free(comp_cls_name);
+ return cfg_comp;
+}
+
+/*
+ * Destroys a configuration.
+ */
+static
+void bt_config_destroy(bt_object *obj)
+{
+ struct bt_config *cfg =
+ container_of(obj, struct bt_config, base);
+
+ if (!obj) {
+ goto end;
+ }
+
+ BT_VALUE_PUT_REF_AND_RESET(cfg->plugin_paths);
+
+ switch (cfg->command) {
+ case BT_CONFIG_COMMAND_RUN:
+ if (cfg->cmd_data.run.sources) {
+ g_ptr_array_free(cfg->cmd_data.run.sources, TRUE);
+ }
+
+ if (cfg->cmd_data.run.filters) {
+ g_ptr_array_free(cfg->cmd_data.run.filters, TRUE);
+ }
+
+ if (cfg->cmd_data.run.sinks) {
+ g_ptr_array_free(cfg->cmd_data.run.sinks, TRUE);
+ }
+
+ if (cfg->cmd_data.run.connections) {
+ g_ptr_array_free(cfg->cmd_data.run.connections,
+ TRUE);
+ }
+ break;
+ case BT_CONFIG_COMMAND_LIST_PLUGINS:
+ break;
+ case BT_CONFIG_COMMAND_HELP:
+ BT_OBJECT_PUT_REF_AND_RESET(cfg->cmd_data.help.cfg_component);
+ break;
+ case BT_CONFIG_COMMAND_QUERY:
+ BT_OBJECT_PUT_REF_AND_RESET(cfg->cmd_data.query.cfg_component);
+
+ if (cfg->cmd_data.query.object) {
+ g_string_free(cfg->cmd_data.query.object, TRUE);
+ }
+ break;
+ case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
+ if (cfg->cmd_data.print_ctf_metadata.path) {
+ g_string_free(cfg->cmd_data.print_ctf_metadata.path,
+ TRUE);
+ g_string_free(
+ cfg->cmd_data.print_ctf_metadata.output_path,
+ TRUE);
+ }
+ break;
+ case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
+ if (cfg->cmd_data.print_lttng_live_sessions.url) {
+ g_string_free(
+ cfg->cmd_data.print_lttng_live_sessions.url,
+ TRUE);
+ g_string_free(
+ cfg->cmd_data.print_lttng_live_sessions.output_path,
+ TRUE);
+ }
+ break;
+ default:
+ abort();
+ }
+
+ g_free(cfg);
+
+end:
+ return;
+}
+
+static
+void destroy_glist_of_gstring(GList *list)
+{
+ GList *at;
+
+ if (!list) {
+ return;
+ }
+
+ for (at = list; at != NULL; at = g_list_next(at)) {
+ g_string_free(at->data, TRUE);
+ }
+
+ g_list_free(list);
+}
+
+/*
+ * Creates a simple lexical scanner for parsing comma-delimited names
+ * and fields.
+ *
+ * Return value is owned by the caller.
+ */
+static
+GScanner *create_csv_identifiers_scanner(void)
+{
+ GScanner *scanner;
+ GScannerConfig scanner_config = {
+ .cset_skip_characters = " \t\n",
+ .cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "_",
+ .cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z ":_-",
+ .case_sensitive = TRUE,
+ .cpair_comment_single = NULL,
+ .skip_comment_multi = TRUE,
+ .skip_comment_single = TRUE,
+ .scan_comment_multi = FALSE,
+ .scan_identifier = TRUE,
+ .scan_identifier_1char = TRUE,
+ .scan_identifier_NULL = FALSE,
+ .scan_symbols = FALSE,
+ .symbol_2_token = FALSE,
+ .scope_0_fallback = FALSE,
+ .scan_binary = FALSE,
+ .scan_octal = FALSE,
+ .scan_float = FALSE,
+ .scan_hex = FALSE,
+ .scan_hex_dollar = FALSE,
+ .numbers_2_int = FALSE,
+ .int_2_float = FALSE,
+ .store_int64 = FALSE,
+ .scan_string_sq = FALSE,
+ .scan_string_dq = FALSE,
+ .identifier_2_string = FALSE,
+ .char_2_token = TRUE,
+ };
+
+ scanner = g_scanner_new(&scanner_config);
+ if (!scanner) {
+ print_err_oom();
+ }
+
+ return scanner;
+}
+
+/*
+ * Converts a comma-delimited list of known names (--names option) to
+ * an array value object containing those names as string value objects.
+ *
+ * Return value is owned by the caller.
+ */
+static
+bt_value *names_from_arg(const char *arg)
+{
+ GScanner *scanner = NULL;
+ bt_value *names = NULL;
+ bool found_all = false, found_none = false, found_item = false;
+
+ names = bt_value_array_create();
+ if (!names) {
+ print_err_oom();
+ goto error;
+ }
+
+ scanner = create_csv_identifiers_scanner();
+ if (!scanner) {
+ goto error;
+ }
+
+ g_scanner_input_text(scanner, arg, strlen(arg));
+
+ while (true) {
+ GTokenType token_type = g_scanner_get_next_token(scanner);
+
+ switch (token_type) {
+ case G_TOKEN_IDENTIFIER:
+ {
+ const char *identifier = scanner->value.v_identifier;
+
+ if (!strcmp(identifier, "payload") ||
+ !strcmp(identifier, "args") ||
+ !strcmp(identifier, "arg")) {
+ found_item = true;
+ if (bt_value_array_append_string_element(names,
+ "payload")) {
+ goto error;
+ }
+ } else if (!strcmp(identifier, "context") ||
+ !strcmp(identifier, "ctx")) {
+ found_item = true;
+ if (bt_value_array_append_string_element(names,
+ "context")) {
+ goto error;
+ }
+ } else if (!strcmp(identifier, "scope") ||
+ !strcmp(identifier, "header")) {
+ found_item = true;
+ if (bt_value_array_append_string_element(names,
+ identifier)) {
+ goto error;
+ }
+ } else if (!strcmp(identifier, "all")) {
+ found_all = true;
+ if (bt_value_array_append_string_element(names,
+ identifier)) {
+ goto error;
+ }
+ } else if (!strcmp(identifier, "none")) {
+ found_none = true;
+ if (bt_value_array_append_string_element(names,
+ identifier)) {
+ goto error;
+ }
+ } else {
+ printf_err("Unknown name: `%s`\n",
+ identifier);
+ goto error;
+ }
+ break;
+ }
+ case G_TOKEN_COMMA:
+ continue;
+ case G_TOKEN_EOF:
+ goto end;
+ default:
+ goto error;
+ }
+ }
+
+end:
+ if (found_none && found_all) {
+ printf_err("Only either `all` or `none` can be specified in the list given to the --names option, but not both.\n");
+ goto error;
+ }
+ /*
+ * Legacy behavior is to clear the defaults (show none) when at
+ * least one item is specified.
+ */
+ if (found_item && !found_none && !found_all) {
+ if (bt_value_array_append_string_element(names, "none")) {
+ goto error;
+ }
+ }
+ if (scanner) {
+ g_scanner_destroy(scanner);
+ }
+ return names;
+
+error:
+ BT_VALUE_PUT_REF_AND_RESET(names);
+ if (scanner) {
+ g_scanner_destroy(scanner);
+ }
+ return names;
+}
+
+/*
+ * Converts a comma-delimited list of known fields (--fields option) to
+ * an array value object containing those fields as string
+ * value objects.
+ *
+ * Return value is owned by the caller.
+ */
+static
+bt_value *fields_from_arg(const char *arg)
+{
+ GScanner *scanner = NULL;
+ bt_value *fields;
+
+ fields = bt_value_array_create();
+ if (!fields) {
+ print_err_oom();
+ goto error;
+ }
+
+ scanner = create_csv_identifiers_scanner();
+ if (!scanner) {
+ goto error;
+ }
+
+ g_scanner_input_text(scanner, arg, strlen(arg));
+
+ while (true) {
+ GTokenType token_type = g_scanner_get_next_token(scanner);
+
+ switch (token_type) {
+ case G_TOKEN_IDENTIFIER:
+ {
+ const char *identifier = scanner->value.v_identifier;
+
+ if (!strcmp(identifier, "trace") ||
+ !strcmp(identifier, "trace:hostname") ||
+ !strcmp(identifier, "trace:domain") ||
+ !strcmp(identifier, "trace:procname") ||
+ !strcmp(identifier, "trace:vpid") ||
+ !strcmp(identifier, "loglevel") ||
+ !strcmp(identifier, "emf") ||
+ !strcmp(identifier, "callsite") ||
+ !strcmp(identifier, "all")) {
+ if (bt_value_array_append_string_element(fields,
+ identifier)) {
+ goto error;
+ }
+ } else {
+ printf_err("Unknown field: `%s`\n",
+ identifier);
+ goto error;
+ }
+ break;
+ }
+ case G_TOKEN_COMMA:
+ continue;
+ case G_TOKEN_EOF:
+ goto end;
+ default:
+ goto error;
+ }
+ }
+
+ goto end;
+
+error:
+ BT_VALUE_PUT_REF_AND_RESET(fields);
+
+end:
+ if (scanner) {
+ g_scanner_destroy(scanner);
+ }
+ return fields;
+}
+
+static
+void append_param_arg(GString *params_arg, const char *key, const char *value)
+{
+ BT_ASSERT(params_arg);
+ BT_ASSERT(key);
+ BT_ASSERT(value);
+
+ if (params_arg->len != 0) {
+ g_string_append_c(params_arg, ',');
+ }
+
+ g_string_append(params_arg, key);
+ g_string_append_c(params_arg, '=');
+ g_string_append(params_arg, value);
+}
+
+/*
+ * Inserts the equivalent "prefix-NAME=yes" strings into params_arg
+ * where the names are in names_array.
+ */
+static
+int insert_flat_params_from_array(GString *params_arg,
+ const bt_value *names_array, const char *prefix)
+{
+ int ret = 0;
+ int i;
+ GString *tmpstr = NULL, *default_value = NULL;
+ bool default_set = false, non_default_set = false;
+
+ /*
+ * names_array may be NULL if no CLI options were specified to
+ * trigger its creation.
+ */
+ if (!names_array) {
+ goto end;
+ }
+
+ tmpstr = g_string_new(NULL);
+ if (!tmpstr) {
+ print_err_oom();
+ ret = -1;
+ goto end;
+ }
+
+ default_value = g_string_new(NULL);
+ if (!default_value) {
+ print_err_oom();
+ ret = -1;
+ goto end;
+ }
+
+ for (i = 0; i < bt_value_array_get_size(names_array); i++) {
+ const bt_value *str_obj =
+ bt_value_array_borrow_element_by_index_const(names_array,
+ i);
+ const char *suffix;
+ bool is_default = false;
+
+ if (!str_obj) {
+ printf_err("Unexpected error\n");
+ ret = -1;
+ goto end;
+ }
+
+ suffix = bt_value_string_get(str_obj);
+
+ g_string_assign(tmpstr, prefix);
+ g_string_append(tmpstr, "-");
+
+ /* Special-case for "all" and "none". */
+ if (!strcmp(suffix, "all")) {
+ is_default = true;
+ g_string_assign(default_value, "show");
+ } else if (!strcmp(suffix, "none")) {
+ is_default = true;
+ g_string_assign(default_value, "hide");
+ }
+ if (is_default) {
+ default_set = true;
+ g_string_append(tmpstr, "default");
+ append_param_arg(params_arg, tmpstr->str,
+ default_value->str);
+ } else {
+ non_default_set = true;
+ g_string_append(tmpstr, suffix);
+ append_param_arg(params_arg, tmpstr->str, "yes");
+ }
+ }
+
+ /* Implicit field-default=hide if any non-default option is set. */
+ if (non_default_set && !default_set) {
+ g_string_assign(tmpstr, prefix);
+ g_string_append(tmpstr, "-default");
+ g_string_assign(default_value, "hide");
+ append_param_arg(params_arg, tmpstr->str, default_value->str);
+ }
+
+end:
+ if (default_value) {
+ g_string_free(default_value, TRUE);
+ }
+
+ if (tmpstr) {
+ g_string_free(tmpstr, TRUE);
+ }
+
+ return ret;
+}
+
+/* popt options */
+enum {
+ OPT_NONE = 0,
+ OPT_BASE_PARAMS,
+ OPT_BEGIN,
+ OPT_CLOCK_CYCLES,
+ OPT_CLOCK_DATE,
+ OPT_CLOCK_FORCE_CORRELATE,
+ OPT_CLOCK_GMT,
+ OPT_CLOCK_OFFSET,
+ OPT_CLOCK_OFFSET_NS,
+ OPT_CLOCK_SECONDS,
+ OPT_COLOR,
+ OPT_COMPONENT,
+ OPT_CONNECT,
+ OPT_DEBUG,
+ OPT_DEBUG_INFO,
+ OPT_DEBUG_INFO_DIR,
+ OPT_DEBUG_INFO_FULL_PATH,
+ OPT_DEBUG_INFO_TARGET_PREFIX,
+ OPT_END,
+ OPT_FIELDS,
+ OPT_HELP,
+ OPT_INPUT_FORMAT,
+ OPT_LIST,
+ OPT_NAME,
+ OPT_NAMES,
+ OPT_NO_DELTA,
+ OPT_OMIT_HOME_PLUGIN_PATH,
+ OPT_OMIT_SYSTEM_PLUGIN_PATH,
+ OPT_OUTPUT,
+ OPT_OUTPUT_FORMAT,
+ OPT_PARAMS,
+ OPT_PATH,
+ OPT_PLUGIN_PATH,
+ OPT_RESET_BASE_PARAMS,
+ OPT_RETRY_DURATION,
+ OPT_RUN_ARGS,
+ OPT_RUN_ARGS_0,
+ OPT_STREAM_INTERSECTION,
+ OPT_TIMERANGE,
+ OPT_URL,
+ OPT_VERBOSE,
+};
+
+enum bt_config_component_dest {
+ BT_CONFIG_COMPONENT_DEST_UNKNOWN = -1,
+ BT_CONFIG_COMPONENT_DEST_SOURCE,
+ BT_CONFIG_COMPONENT_DEST_FILTER,
+ BT_CONFIG_COMPONENT_DEST_SINK,
+};
+
+/*
+ * Adds a configuration component to the appropriate configuration
+ * array depending on the destination.
+ */
+static
+void add_run_cfg_comp(struct bt_config *cfg,
+ struct bt_config_component *cfg_comp,
+ enum bt_config_component_dest dest)
+{
+ bt_object_get_ref(cfg_comp);
+
+ switch (dest) {
+ case BT_CONFIG_COMPONENT_DEST_SOURCE:
+ g_ptr_array_add(cfg->cmd_data.run.sources, cfg_comp);
+ break;
+ case BT_CONFIG_COMPONENT_DEST_FILTER:
+ g_ptr_array_add(cfg->cmd_data.run.filters, cfg_comp);
+ break;
+ case BT_CONFIG_COMPONENT_DEST_SINK:
+ g_ptr_array_add(cfg->cmd_data.run.sinks, cfg_comp);
+ break;
+ default:
+ abort();
+ }
+}
+
+static
+int add_run_cfg_comp_check_name(struct bt_config *cfg,
+ struct bt_config_component *cfg_comp,
+ enum bt_config_component_dest dest,
+ bt_value *instance_names)
+{
+ int ret = 0;
+
+ if (cfg_comp->instance_name->len == 0) {
+ printf_err("Found an unnamed component\n");
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_value_map_has_entry(instance_names,
+ cfg_comp->instance_name->str)) {
+ printf_err("Duplicate component instance name:\n %s\n",
+ cfg_comp->instance_name->str);
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_value_map_insert_entry(instance_names,
+ cfg_comp->instance_name->str, bt_value_null)) {
+ print_err_oom();
+ ret = -1;
+ goto end;
+ }
+
+ add_run_cfg_comp(cfg, cfg_comp, dest);
+
+end:
+ return ret;
+}
+
+static
+int append_env_var_plugin_paths(bt_value *plugin_paths)
+{
+ int ret = 0;
+ const char *envvar;
+
+ if (bt_common_is_setuid_setgid()) {
+ BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
+ goto end;
+ }
+
+ envvar = getenv("BABELTRACE_PLUGIN_PATH");
+ if (!envvar) {
+ goto end;
+ }
+
+ ret = bt_config_append_plugin_paths(plugin_paths, envvar);
+
+end:
+ if (ret) {
+ printf_err("Cannot append plugin paths from BABELTRACE_PLUGIN_PATH\n");
+ }
+
+ return ret;
+}
+
+static
+int append_home_and_system_plugin_paths(bt_value *plugin_paths,
+ bool omit_system_plugin_path, bool omit_home_plugin_path)
+{
+ int ret;
+
+ if (!omit_home_plugin_path) {
+ if (bt_common_is_setuid_setgid()) {
+ BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
+ } else {
+ char *home_plugin_dir =
+ bt_common_get_home_plugin_path();
+
+ if (home_plugin_dir) {
+ ret = bt_config_append_plugin_paths(
+ plugin_paths, home_plugin_dir);
+ free(home_plugin_dir);
+
+ if (ret) {
+ printf_err("Invalid home plugin path\n");
+ goto error;
+ }
+ }
+ }
+ }
+
+ if (!omit_system_plugin_path) {
+ if (bt_config_append_plugin_paths(plugin_paths,
+ bt_common_get_system_plugin_path())) {
+ printf_err("Invalid system plugin path\n");
+ goto error;
+ }
+ }
+ return 0;
+error:
+ printf_err("Cannot append home and system plugin paths\n");
+ return -1;
+}
+
+static
+int append_home_and_system_plugin_paths_cfg(struct bt_config *cfg)
+{
+ return append_home_and_system_plugin_paths(cfg->plugin_paths,
+ cfg->omit_system_plugin_path, cfg->omit_home_plugin_path);
+}
+
+static
+struct bt_config *bt_config_base_create(enum bt_config_command command,
+ const bt_value *initial_plugin_paths,
+ bool needs_plugins)
+{
+ struct bt_config *cfg;
+
+ /* Create config */
+ cfg = g_new0(struct bt_config, 1);
+ if (!cfg) {
+ print_err_oom();
+ goto error;
+ }
+
+ bt_object_init_shared(&cfg->base, bt_config_destroy);
+ cfg->command = command;
+ cfg->command_needs_plugins = needs_plugins;
+
+ if (initial_plugin_paths) {
+ bt_value *initial_plugin_paths_copy;
+
+ (void) bt_value_copy(initial_plugin_paths,
+ &initial_plugin_paths_copy);
+ cfg->plugin_paths = initial_plugin_paths_copy;
+ } else {
+ cfg->plugin_paths = bt_value_array_create();
+ if (!cfg->plugin_paths) {
+ print_err_oom();
+ goto error;
+ }
+ }
+
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ return cfg;
+}
+
+static
+struct bt_config *bt_config_run_create(
+ const bt_value *initial_plugin_paths)
+{
+ struct bt_config *cfg;
+
+ /* Create config */
+ cfg = bt_config_base_create(BT_CONFIG_COMMAND_RUN,
+ initial_plugin_paths, true);
+ if (!cfg) {
+ goto error;
+ }
+
+ cfg->cmd_data.run.sources = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) bt_object_put_ref);
+ if (!cfg->cmd_data.run.sources) {
+ print_err_oom();
+ goto error;
+ }
+
+ cfg->cmd_data.run.filters = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) bt_object_put_ref);
+ if (!cfg->cmd_data.run.filters) {
+ print_err_oom();
+ goto error;
+ }
+
+ cfg->cmd_data.run.sinks = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) bt_object_put_ref);
+ if (!cfg->cmd_data.run.sinks) {
+ print_err_oom();
+ goto error;
+ }
+
+ cfg->cmd_data.run.connections = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) bt_config_connection_destroy);
+ if (!cfg->cmd_data.run.connections) {
+ print_err_oom();
+ goto error;
+ }
+
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ return cfg;
+}
+
+static
+struct bt_config *bt_config_list_plugins_create(
+ const bt_value *initial_plugin_paths)
+{
+ struct bt_config *cfg;
+
+ /* Create config */
+ cfg = bt_config_base_create(BT_CONFIG_COMMAND_LIST_PLUGINS,
+ initial_plugin_paths, true);
+ if (!cfg) {
+ goto error;
+ }
+
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ return cfg;
+}
+
+static
+struct bt_config *bt_config_help_create(
+ const bt_value *initial_plugin_paths)
+{
+ struct bt_config *cfg;
+
+ /* Create config */
+ cfg = bt_config_base_create(BT_CONFIG_COMMAND_HELP,
+ initial_plugin_paths, true);
+ if (!cfg) {
+ goto error;
+ }
+
+ cfg->cmd_data.help.cfg_component =
+ bt_config_component_create(-1, NULL, NULL);
+ if (!cfg->cmd_data.help.cfg_component) {
+ goto error;
+ }
+
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ return cfg;
+}
+
+static
+struct bt_config *bt_config_query_create(
+ const bt_value *initial_plugin_paths)
+{
+ struct bt_config *cfg;
+
+ /* Create config */
+ cfg = bt_config_base_create(BT_CONFIG_COMMAND_QUERY,
+ initial_plugin_paths, true);
+ if (!cfg) {
+ goto error;
+ }
+
+ cfg->cmd_data.query.object = g_string_new(NULL);
+ if (!cfg->cmd_data.query.object) {
+ print_err_oom();
+ goto error;
+ }
+
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ return cfg;
+}
+
+static
+struct bt_config *bt_config_print_ctf_metadata_create(
+ const bt_value *initial_plugin_paths)
+{
+ struct bt_config *cfg;
+
+ /* Create config */
+ cfg = bt_config_base_create(BT_CONFIG_COMMAND_PRINT_CTF_METADATA,
+ initial_plugin_paths, true);
+ if (!cfg) {
+ goto error;
+ }
+
+ cfg->cmd_data.print_ctf_metadata.path = g_string_new(NULL);
+ if (!cfg->cmd_data.print_ctf_metadata.path) {
+ print_err_oom();
+ goto error;
+ }
+
+ cfg->cmd_data.print_ctf_metadata.output_path = g_string_new(NULL);
+ if (!cfg->cmd_data.print_ctf_metadata.output_path) {
+ print_err_oom();
+ goto error;
+ }
+
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ return cfg;
+}
+
+static
+struct bt_config *bt_config_print_lttng_live_sessions_create(
+ const bt_value *initial_plugin_paths)
+{
+ struct bt_config *cfg;
+
+ /* Create config */
+ cfg = bt_config_base_create(BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS,
+ initial_plugin_paths, true);
+ if (!cfg) {
+ goto error;
+ }
+
+ cfg->cmd_data.print_lttng_live_sessions.url = g_string_new(NULL);
+ if (!cfg->cmd_data.print_lttng_live_sessions.url) {
+ print_err_oom();
+ goto error;
+ }
+
+ cfg->cmd_data.print_lttng_live_sessions.output_path =
+ g_string_new(NULL);
+ if (!cfg->cmd_data.print_lttng_live_sessions.output_path) {
+ print_err_oom();
+ goto error;
+ }
+
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ return cfg;
+}
+
+static
+int bt_config_append_plugin_paths_check_setuid_setgid(
+ bt_value *plugin_paths, const char *arg)
+{
+ int ret = 0;
+
+ if (bt_common_is_setuid_setgid()) {
+ BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary.");
+ goto end;
+ }
+
+ if (bt_config_append_plugin_paths(plugin_paths, arg)) {
+ printf_err("Invalid --plugin-path option's argument:\n %s\n",
+ arg);
+ ret = -1;
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+/*
+ * Prints the expected format for a --params option.
+ */
+static
+void print_expected_params_format(FILE *fp)
+{
+ fprintf(fp, "Expected format of PARAMS\n");
+ fprintf(fp, "-------------------------\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " PARAM=VALUE[,PARAM=VALUE]...\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "The parameter string is a comma-separated list of PARAM=VALUE assignments,\n");
+ fprintf(fp, "where PARAM is the parameter name (C identifier plus the [:.-] characters),\n");
+ fprintf(fp, "and VALUE can be one of:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "* `null`, `nul`, `NULL`: null value (no backticks).\n");
+ fprintf(fp, "* `true`, `TRUE`, `yes`, `YES`: true boolean value (no backticks).\n");
+ fprintf(fp, "* `false`, `FALSE`, `no`, `NO`: false boolean value (no backticks).\n");
+ fprintf(fp, "* Binary (`0b` prefix), octal (`0` prefix), decimal, or hexadecimal\n");
+ fprintf(fp, " (`0x` prefix) unsigned (with `+` prefix) or signed 64-bit integer.\n");
+ fprintf(fp, "* Double precision floating point number (scientific notation is accepted).\n");
+ fprintf(fp, "* Unquoted string with no special characters, and not matching any of\n");
+ fprintf(fp, " the null and boolean value symbols above.\n");
+ fprintf(fp, "* Double-quoted string (accepts escape characters).\n");
+ fprintf(fp, "* Array, formatted as an opening `[`, a list of comma-separated values\n");
+ fprintf(fp, " (as described by the current list) and a closing `]`.\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "You can put whitespaces allowed around individual `=` and `,` symbols.\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Example:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " many=null, fresh=yes, condition=false, squirrel=-782329,\n");
+ fprintf(fp, " play=+23, observe=3.14, simple=beef, needs-quotes=\"some string\",\n");
+ fprintf(fp, " escape.chars-are:allowed=\"this is a \\\" double quote\",\n");
+ fprintf(fp, " things=[1, \"2\", 3]\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run\n");
+ fprintf(fp, "babeltrace2 from a shell.\n");
+}
+
+
+/*
+ * Prints the help command usage.
+ */
+static
+void print_help_usage(FILE *fp)
+{
+ fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] help [OPTIONS] PLUGIN\n");
+ fprintf(fp, " babeltrace2 [GENERAL OPTIONS] help [OPTIONS] TYPE.PLUGIN.CLS\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Options:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
+ fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n");
+ fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
+ fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
+ fprintf(fp, " dynamic plugins can be loaded\n");
+ fprintf(fp, " -h, --help Show this help and quit\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "See `babeltrace2 --help` for the list of general options.\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Use `babeltrace2 list-plugins` to show the list of available plugins.\n");
+}
+
+static
+struct poptOption help_long_options[] = {
+ /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+ { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+ { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
+ { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
+ { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
+ { NULL, 0, '\0', NULL, 0, NULL, NULL },
+};
+
+/*
+ * Creates a Babeltrace config object from the arguments of a help
+ * command.
+ *
+ * *retcode is set to the appropriate exit code to use.
+ */
+static
+struct bt_config *bt_config_help_from_args(int argc, const char *argv[],
+ int *retcode, bool force_omit_system_plugin_path,
+ bool force_omit_home_plugin_path,
+ const bt_value *initial_plugin_paths)
+{
+ poptContext pc = NULL;
+ char *arg = NULL;
+ int opt;
+ int ret;
+ struct bt_config *cfg = NULL;
+ const char *leftover;
+ char *plugin_name = NULL, *comp_cls_name = NULL;
+
+ *retcode = 0;
+ cfg = bt_config_help_create(initial_plugin_paths);
+ if (!cfg) {
+ goto error;
+ }
+
+ cfg->omit_system_plugin_path = force_omit_system_plugin_path;
+ cfg->omit_home_plugin_path = force_omit_home_plugin_path;
+ ret = append_env_var_plugin_paths(cfg->plugin_paths);
+ if (ret) {
+ goto error;
+ }
+
+ /* Parse options */
+ pc = poptGetContext(NULL, argc, (const char **) argv,
+ help_long_options, 0);
+ if (!pc) {
+ printf_err("Cannot get popt context\n");
+ goto error;
+ }
+
+ poptReadDefaultConfig(pc, 0);
+
+ while ((opt = poptGetNextOpt(pc)) > 0) {
+ arg = poptGetOptArg(pc);
+
+ switch (opt) {
+ case OPT_PLUGIN_PATH:
+ if (bt_config_append_plugin_paths_check_setuid_setgid(
+ cfg->plugin_paths, arg)) {
+ goto error;
+ }
+ break;
+ case OPT_OMIT_SYSTEM_PLUGIN_PATH:
+ cfg->omit_system_plugin_path = true;
+ break;
+ case OPT_OMIT_HOME_PLUGIN_PATH:
+ cfg->omit_home_plugin_path = true;
+ break;
+ case OPT_HELP:
+ print_help_usage(stdout);
+ *retcode = -1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+ goto end;
+ default:
+ printf_err("Unknown command-line option specified (option code %d)\n",
+ opt);
+ goto error;
+ }
+
+ free(arg);
+ arg = NULL;
+ }
+
+ /* Check for option parsing error */
+ if (opt < -1) {
+ printf_err("While parsing command-line options, at option %s: %s\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ goto error;
+ }
+
+ leftover = poptGetArg(pc);
+ if (leftover) {
+ plugin_comp_cls_names(leftover, NULL,
+ &plugin_name, &comp_cls_name,
+ &cfg->cmd_data.help.cfg_component->type);
+ if (plugin_name && comp_cls_name) {
+ /* Component class help */
+ g_string_assign(
+ cfg->cmd_data.help.cfg_component->plugin_name,
+ plugin_name);
+ g_string_assign(
+ cfg->cmd_data.help.cfg_component->comp_cls_name,
+ comp_cls_name);
+ } else {
+ /* Fall back to plugin help */
+ g_string_assign(
+ cfg->cmd_data.help.cfg_component->plugin_name,
+ leftover);
+ }
+ } else {
+ print_help_usage(stdout);
+ *retcode = -1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+ goto end;
+ }
+
+ if (append_home_and_system_plugin_paths_cfg(cfg)) {
+ goto error;
+ }
+
+ goto end;
+
+error:
+ *retcode = 1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ g_free(plugin_name);
+ g_free(comp_cls_name);
+
+ if (pc) {
+ poptFreeContext(pc);
+ }
+
+ free(arg);
+ return cfg;
+}
+
+/*
+ * Prints the help command usage.
+ */
+static
+void print_query_usage(FILE *fp)
+{
+ fprintf(fp, "Usage: babeltrace2 [GEN OPTS] query [OPTS] TYPE.PLUGIN.CLS OBJECT\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Options:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
+ fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n");
+ fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
+ fprintf(fp, " -p, --params=PARAMS Set the query parameters to PARAMS\n");
+ fprintf(fp, " (see the expected format of PARAMS below)\n");
+ fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
+ fprintf(fp, " dynamic plugins can be loaded\n");
+ fprintf(fp, " -h, --help Show this help and quit\n");
+ fprintf(fp, "\n\n");
+ print_expected_params_format(fp);
+}
+
+static
+struct poptOption query_long_options[] = {
+ /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+ { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+ { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
+ { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
+ { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
+ { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
+ { NULL, 0, '\0', NULL, 0, NULL, NULL },
+};
+
+/*
+ * Creates a Babeltrace config object from the arguments of a query
+ * command.
+ *
+ * *retcode is set to the appropriate exit code to use.
+ */
+static
+struct bt_config *bt_config_query_from_args(int argc, const char *argv[],
+ int *retcode, bool force_omit_system_plugin_path,
+ bool force_omit_home_plugin_path,
+ const bt_value *initial_plugin_paths)
+{
+ poptContext pc = NULL;
+ char *arg = NULL;
+ int opt;
+ int ret;
+ struct bt_config *cfg = NULL;
+ const char *leftover;
+ bt_value *params;
+
+ params = bt_value_null;
+ bt_value_get_ref(bt_value_null);
+
+ *retcode = 0;
+ cfg = bt_config_query_create(initial_plugin_paths);
+ if (!cfg) {
+ goto error;
+ }
+
+ cfg->omit_system_plugin_path = force_omit_system_plugin_path;
+ cfg->omit_home_plugin_path = force_omit_home_plugin_path;
+ ret = append_env_var_plugin_paths(cfg->plugin_paths);
+ if (ret) {
+ goto error;
+ }
+
+ /* Parse options */
+ pc = poptGetContext(NULL, argc, (const char **) argv,
+ query_long_options, 0);
+ if (!pc) {
+ printf_err("Cannot get popt context\n");
+ goto error;
+ }
+
+ poptReadDefaultConfig(pc, 0);
+
+ while ((opt = poptGetNextOpt(pc)) > 0) {
+ arg = poptGetOptArg(pc);
+
+ switch (opt) {
+ case OPT_PLUGIN_PATH:
+ if (bt_config_append_plugin_paths_check_setuid_setgid(
+ cfg->plugin_paths, arg)) {
+ goto error;
+ }
+ break;
+ case OPT_OMIT_SYSTEM_PLUGIN_PATH:
+ cfg->omit_system_plugin_path = true;
+ break;
+ case OPT_OMIT_HOME_PLUGIN_PATH:
+ cfg->omit_home_plugin_path = true;
+ break;
+ case OPT_PARAMS:
+ {
+ bt_value_put_ref(params);
+ params = bt_value_from_arg(arg);
+ if (!params) {
+ printf_err("Invalid format for --params option's argument:\n %s\n",
+ arg);
+ goto error;
+ }
+ break;
+ }
+ case OPT_HELP:
+ print_query_usage(stdout);
+ *retcode = -1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+ goto end;
+ default:
+ printf_err("Unknown command-line option specified (option code %d)\n",
+ opt);
+ goto error;
+ }
+
+ free(arg);
+ arg = NULL;
+ }
+
+ /* Check for option parsing error */
+ if (opt < -1) {
+ printf_err("While parsing command-line options, at option %s: %s\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ goto error;
+ }
+
+ /*
+ * We need exactly two leftover arguments which are the
+ * mandatory component class specification and query object.
+ */
+ leftover = poptGetArg(pc);
+ if (leftover) {
+ cfg->cmd_data.query.cfg_component =
+ bt_config_component_from_arg(leftover);
+ if (!cfg->cmd_data.query.cfg_component) {
+ printf_err("Invalid format for component class specification:\n %s\n",
+ leftover);
+ goto error;
+ }
+
+ BT_ASSERT(params);
+ BT_OBJECT_MOVE_REF(cfg->cmd_data.query.cfg_component->params,
+ params);
+ } else {
+ print_query_usage(stdout);
+ *retcode = -1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+ goto end;
+ }
+
+ leftover = poptGetArg(pc);
+ if (leftover) {
+ if (strlen(leftover) == 0) {
+ printf_err("Invalid empty object\n");
+ goto error;
+ }
+
+ g_string_assign(cfg->cmd_data.query.object, leftover);
+ } else {
+ print_query_usage(stdout);
+ *retcode = -1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+ goto end;
+ }
+
+ leftover = poptGetArg(pc);
+ if (leftover) {
+ printf_err("Unexpected argument: %s\n", leftover);
+ goto error;
+ }
+
+ if (append_home_and_system_plugin_paths_cfg(cfg)) {
+ goto error;
+ }
+
+ goto end;
+
+error:
+ *retcode = 1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ if (pc) {
+ poptFreeContext(pc);
+ }
+
+ bt_value_put_ref(params);
+ free(arg);
+ return cfg;
+}
+
+/*
+ * Prints the list-plugins command usage.
+ */
+static
+void print_list_plugins_usage(FILE *fp)
+{
+ fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] list-plugins [OPTIONS]\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Options:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
+ fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n");
+ fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
+ fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
+ fprintf(fp, " dynamic plugins can be loaded\n");
+ fprintf(fp, " -h, --help Show this help and quit\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "See `babeltrace2 --help` for the list of general options.\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Use `babeltrace2 help` to get help for a specific plugin or component class.\n");
+}
+
+static
+struct poptOption list_plugins_long_options[] = {
+ /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+ { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+ { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
+ { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
+ { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
+ { NULL, 0, '\0', NULL, 0, NULL, NULL },
+};
+
+/*
+ * Creates a Babeltrace config object from the arguments of a
+ * list-plugins command.
+ *
+ * *retcode is set to the appropriate exit code to use.
+ */
+static
+struct bt_config *bt_config_list_plugins_from_args(int argc, const char *argv[],
+ int *retcode, bool force_omit_system_plugin_path,
+ bool force_omit_home_plugin_path,
+ const bt_value *initial_plugin_paths)
+{
+ poptContext pc = NULL;
+ char *arg = NULL;
+ int opt;
+ int ret;
+ struct bt_config *cfg = NULL;
+ const char *leftover;
+
+ *retcode = 0;
+ cfg = bt_config_list_plugins_create(initial_plugin_paths);
+ if (!cfg) {
+ goto error;
+ }
+
+ cfg->omit_system_plugin_path = force_omit_system_plugin_path;
+ cfg->omit_home_plugin_path = force_omit_home_plugin_path;
+ ret = append_env_var_plugin_paths(cfg->plugin_paths);
+ if (ret) {
+ goto error;
+ }
+
+ /* Parse options */
+ pc = poptGetContext(NULL, argc, (const char **) argv,
+ list_plugins_long_options, 0);
+ if (!pc) {
+ printf_err("Cannot get popt context\n");
+ goto error;
+ }
+
+ poptReadDefaultConfig(pc, 0);
+
+ while ((opt = poptGetNextOpt(pc)) > 0) {
+ arg = poptGetOptArg(pc);
+
+ switch (opt) {
+ case OPT_PLUGIN_PATH:
+ if (bt_config_append_plugin_paths_check_setuid_setgid(
+ cfg->plugin_paths, arg)) {
+ goto error;
+ }
+ break;
+ case OPT_OMIT_SYSTEM_PLUGIN_PATH:
+ cfg->omit_system_plugin_path = true;
+ break;
+ case OPT_OMIT_HOME_PLUGIN_PATH:
+ cfg->omit_home_plugin_path = true;
+ break;
+ case OPT_HELP:
+ print_list_plugins_usage(stdout);
+ *retcode = -1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+ goto end;
+ default:
+ printf_err("Unknown command-line option specified (option code %d)\n",
+ opt);
+ goto error;
+ }
+
+ free(arg);
+ arg = NULL;
+ }
+
+ /* Check for option parsing error */
+ if (opt < -1) {
+ printf_err("While parsing command-line options, at option %s: %s\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ goto error;
+ }
+
+ leftover = poptGetArg(pc);
+ if (leftover) {
+ printf_err("Unexpected argument: %s\n", leftover);
+ goto error;
+ }
+
+ if (append_home_and_system_plugin_paths_cfg(cfg)) {
+ goto error;
+ }
+
+ goto end;
+
+error:
+ *retcode = 1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ if (pc) {
+ poptFreeContext(pc);
+ }
+
+ free(arg);
+ return cfg;
+}
+
+/*
+ * Prints the run command usage.
+ */
+static
+void print_run_usage(FILE *fp)
+{
+ fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] run [OPTIONS]\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Options:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " -b, --base-params=PARAMS Set PARAMS as the current base parameters\n");
+ fprintf(fp, " for all the following components until\n");
+ fprintf(fp, " --reset-base-params is encountered\n");
+ fprintf(fp, " (see the expected format of PARAMS below)\n");
+ fprintf(fp, " -c, --component=[NAME:]TYPE.PLUGIN.CLS\n");
+ fprintf(fp, " Instantiate the component class CLS of type\n");
+ fprintf(fp, " TYPE (`source`, `filter`, or `sink`) found\n");
+ fprintf(fp, " in the plugin PLUGIN, add it to the graph,\n");
+ fprintf(fp, " and optionally name it NAME (you can also\n");
+ fprintf(fp, " specify the name with --name)\n");
+ fprintf(fp, " -x, --connect=CONNECTION Connect two created components (see the\n");
+ fprintf(fp, " expected format of CONNECTION below)\n");
+ fprintf(fp, " -n, --name=NAME Set the name of the current component\n");
+ fprintf(fp, " to NAME (must be unique amongst all the\n");
+ fprintf(fp, " names of the created components)\n");
+ fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
+ fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n");
+ fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
+ fprintf(fp, " -p, --params=PARAMS Add initialization parameters PARAMS to the\n");
+ fprintf(fp, " current component (see the expected format\n");
+ fprintf(fp, " of PARAMS below)\n");
+ fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
+ fprintf(fp, " dynamic plugins can be loaded\n");
+ fprintf(fp, " -r, --reset-base-params Reset the current base parameters to an\n");
+ fprintf(fp, " empty map\n");
+ fprintf(fp, " --retry-duration=DUR When babeltrace2(1) needs to retry to run\n");
+ fprintf(fp, " the graph later, retry in DUR µs\n");
+ fprintf(fp, " (default: 100000)\n");
+ fprintf(fp, " -h, --help Show this help and quit\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "See `babeltrace2 --help` for the list of general options.\n");
+ fprintf(fp, "\n\n");
+ fprintf(fp, "Expected format of CONNECTION\n");
+ fprintf(fp, "-----------------------------\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " UPSTREAM[.UPSTREAM-PORT]:DOWNSTREAM[.DOWNSTREAM-PORT]\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "UPSTREAM and DOWNSTREAM are names of the upstream and downstream\n");
+ fprintf(fp, "components to connect together. You must escape the following characters\n\n");
+ fprintf(fp, "with `\\`: `\\`, `.`, and `:`. You can set the name of the current\n");
+ fprintf(fp, "component with the --name option.\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "UPSTREAM-PORT and DOWNSTREAM-PORT are optional globbing patterns to\n");
+ fprintf(fp, "identify the upstream and downstream ports to use for the connection.\n");
+ fprintf(fp, "When the port is not specified, `*` is used.\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "When a component named UPSTREAM has an available port which matches the\n");
+ fprintf(fp, "UPSTREAM-PORT globbing pattern, it is connected to the first port which\n");
+ fprintf(fp, "matches the DOWNSTREAM-PORT globbing pattern of the component named\n");
+ fprintf(fp, "DOWNSTREAM.\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "The only special character in UPSTREAM-PORT and DOWNSTREAM-PORT is `*`\n");
+ fprintf(fp, "which matches anything. You must escape the following characters\n");
+ fprintf(fp, "with `\\`: `\\`, `*`, `?`, `[`, `.`, and `:`.\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "You can connect a source component to a filter or sink component. You\n");
+ fprintf(fp, "can connect a filter component to a sink component.\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Examples:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " my-src:my-sink\n");
+ fprintf(fp, " ctf-fs.*stream*:utils-muxer:*\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run\n");
+ fprintf(fp, "babeltrace2 from a shell.\n");
+ fprintf(fp, "\n\n");
+ print_expected_params_format(fp);
+}
+
+/*
+ * Creates a Babeltrace config object from the arguments of a run
+ * command.
+ *
+ * *retcode is set to the appropriate exit code to use.
+ */
+static
+struct bt_config *bt_config_run_from_args(int argc, const char *argv[],
+ int *retcode, bool force_omit_system_plugin_path,
+ bool force_omit_home_plugin_path,
+ const bt_value *initial_plugin_paths)
+{
+ poptContext pc = NULL;
+ char *arg = NULL;
+ struct bt_config_component *cur_cfg_comp = NULL;
+ enum bt_config_component_dest cur_cfg_comp_dest =
+ BT_CONFIG_COMPONENT_DEST_UNKNOWN;
+ bt_value *cur_base_params = NULL;
+ int opt, ret = 0;
+ struct bt_config *cfg = NULL;
+ bt_value *instance_names = NULL;
+ bt_value *connection_args = NULL;
+ char error_buf[256] = { 0 };
+ long retry_duration = -1;
+ bt_value_status status;
+ struct poptOption run_long_options[] = {
+ { "base-params", 'b', POPT_ARG_STRING, NULL, OPT_BASE_PARAMS, NULL, NULL },
+ { "component", 'c', POPT_ARG_STRING, NULL, OPT_COMPONENT, NULL, NULL },
+ { "connect", 'x', POPT_ARG_STRING, NULL, OPT_CONNECT, NULL, NULL },
+ { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+ { "name", 'n', POPT_ARG_STRING, NULL, OPT_NAME, NULL, NULL },
+ { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
+ { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
+ { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
+ { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
+ { "reset-base-params", 'r', POPT_ARG_NONE, NULL, OPT_RESET_BASE_PARAMS, NULL, NULL },
+ { "retry-duration", '\0', POPT_ARG_LONG, &retry_duration, OPT_RETRY_DURATION, NULL, NULL },
+ { NULL, 0, '\0', NULL, 0, NULL, NULL },
+ };
+
+ *retcode = 0;
+
+ if (argc <= 1) {
+ print_run_usage(stdout);
+ *retcode = -1;
+ goto end;
+ }
+
+ cfg = bt_config_run_create(initial_plugin_paths);
+ if (!cfg) {
+ goto error;
+ }
+
+ cfg->cmd_data.run.retry_duration_us = 100000;
+ cfg->omit_system_plugin_path = force_omit_system_plugin_path;
+ cfg->omit_home_plugin_path = force_omit_home_plugin_path;
+ cur_base_params = bt_value_map_create();
+ if (!cur_base_params) {
+ print_err_oom();
+ goto error;
+ }
+
+ instance_names = bt_value_map_create();
+ if (!instance_names) {
+ print_err_oom();
+ goto error;
+ }
+
+ connection_args = bt_value_array_create();
+ if (!connection_args) {
+ print_err_oom();
+ goto error;
+ }
+
+ ret = append_env_var_plugin_paths(cfg->plugin_paths);
+ if (ret) {
+ goto error;
+ }
+
+ /* Parse options */
+ pc = poptGetContext(NULL, argc, (const char **) argv,
+ run_long_options, 0);
+ if (!pc) {
+ printf_err("Cannot get popt context\n");
+ goto error;
+ }
+
+ poptReadDefaultConfig(pc, 0);
+
+ while ((opt = poptGetNextOpt(pc)) > 0) {
+ arg = poptGetOptArg(pc);
+
+ switch (opt) {
+ case OPT_PLUGIN_PATH:
+ if (bt_config_append_plugin_paths_check_setuid_setgid(
+ cfg->plugin_paths, arg)) {
+ goto error;
+ }
+ break;
+ case OPT_OMIT_SYSTEM_PLUGIN_PATH:
+ cfg->omit_system_plugin_path = true;
+ break;
+ case OPT_OMIT_HOME_PLUGIN_PATH:
+ cfg->omit_home_plugin_path = true;
+ break;
+ case OPT_COMPONENT:
+ {
+ enum bt_config_component_dest new_dest;
+
+ if (cur_cfg_comp) {
+ ret = add_run_cfg_comp_check_name(cfg,
+ cur_cfg_comp, cur_cfg_comp_dest,
+ instance_names);
+ BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
+ if (ret) {
+ goto error;
+ }
+ }
+
+ cur_cfg_comp = bt_config_component_from_arg(arg);
+ if (!cur_cfg_comp) {
+ printf_err("Invalid format for --component option's argument:\n %s\n",
+ arg);
+ goto error;
+ }
+
+ switch (cur_cfg_comp->type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ new_dest = BT_CONFIG_COMPONENT_DEST_SOURCE;
+ break;
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ new_dest = BT_CONFIG_COMPONENT_DEST_FILTER;
+ break;
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ new_dest = BT_CONFIG_COMPONENT_DEST_SINK;
+ break;
+ default:
+ abort();
+ }
+
+ BT_ASSERT(cur_base_params);
+ bt_value_put_ref(cur_cfg_comp->params);
+ status = bt_value_copy(cur_base_params,
+ &cur_cfg_comp->params);
+ if (status != BT_VALUE_STATUS_OK) {
+ print_err_oom();
+ goto error;
+ }
+
+ cur_cfg_comp_dest = new_dest;
+ break;
+ }
+ case OPT_PARAMS:
+ {
+ bt_value *params;
+ bt_value *params_to_set;
+
+ if (!cur_cfg_comp) {
+ printf_err("Cannot add parameters to unavailable component:\n %s\n",
+ arg);
+ goto error;
+ }
+
+ params = bt_value_from_arg(arg);
+ if (!params) {
+ printf_err("Invalid format for --params option's argument:\n %s\n",
+ arg);
+ goto error;
+ }
+
+ status = bt_value_map_extend(cur_cfg_comp->params,
+ params, ¶ms_to_set);
+ BT_VALUE_PUT_REF_AND_RESET(params);
+ if (status != BT_VALUE_STATUS_OK) {
+ printf_err("Cannot extend current component parameters with --params option's argument:\n %s\n",
+ arg);
+ goto error;
+ }
+
+ BT_OBJECT_MOVE_REF(cur_cfg_comp->params, params_to_set);
+ break;
+ }
+ case OPT_NAME:
+ if (!cur_cfg_comp) {
+ printf_err("Cannot set the name of unavailable component:\n %s\n",
+ arg);
+ goto error;
+ }
+
+ g_string_assign(cur_cfg_comp->instance_name, arg);
+ break;
+ case OPT_BASE_PARAMS:
+ {
+ bt_value *params =
+ bt_value_from_arg(arg);
+
+ if (!params) {
+ printf_err("Invalid format for --base-params option's argument:\n %s\n",
+ arg);
+ goto error;
+ }
+
+ BT_OBJECT_MOVE_REF(cur_base_params, params);
+ break;
+ }
+ case OPT_RESET_BASE_PARAMS:
+ BT_VALUE_PUT_REF_AND_RESET(cur_base_params);
+ cur_base_params = bt_value_map_create();
+ if (!cur_base_params) {
+ print_err_oom();
+ goto error;
+ }
+ break;
+ case OPT_CONNECT:
+ if (bt_value_array_append_string_element(
+ connection_args, arg)) {
+ print_err_oom();
+ goto error;
+ }
+ break;
+ case OPT_RETRY_DURATION:
+ if (retry_duration < 0) {
+ printf_err("--retry-duration option's argument must be positive or 0: %ld\n",
+ retry_duration);
+ goto error;
+ }
+
+ cfg->cmd_data.run.retry_duration_us =
+ (uint64_t) retry_duration;
+ break;
+ case OPT_HELP:
+ print_run_usage(stdout);
+ *retcode = -1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+ goto end;
+ default:
+ printf_err("Unknown command-line option specified (option code %d)\n",
+ opt);
+ goto error;
+ }
+
+ free(arg);
+ arg = NULL;
+ }
+
+ /* Check for option parsing error */
+ if (opt < -1) {
+ printf_err("While parsing command-line options, at option %s: %s\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ goto error;
+ }
+
+ /* This command does not accept leftover arguments */
+ if (poptPeekArg(pc)) {
+ printf_err("Unexpected argument: %s\n", poptPeekArg(pc));
+ goto error;
+ }
+
+ /* Add current component */
+ if (cur_cfg_comp) {
+ ret = add_run_cfg_comp_check_name(cfg, cur_cfg_comp,
+ cur_cfg_comp_dest, instance_names);
+ BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
+ if (ret) {
+ goto error;
+ }
+ }
+
+ if (cfg->cmd_data.run.sources->len == 0) {
+ printf_err("Incomplete graph: no source component\n");
+ goto error;
+ }
+
+ if (cfg->cmd_data.run.sinks->len == 0) {
+ printf_err("Incomplete graph: no sink component\n");
+ goto error;
+ }
+
+ if (append_home_and_system_plugin_paths_cfg(cfg)) {
+ goto error;
+ }
+
+ ret = bt_config_cli_args_create_connections(cfg,
+ connection_args,
+ error_buf, 256);
+ if (ret) {
+ printf_err("Cannot creation connections:\n%s", error_buf);
+ goto error;
+ }
+
+ goto end;
+
+error:
+ *retcode = 1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ if (pc) {
+ poptFreeContext(pc);
+ }
+
+ free(arg);
+ BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp);
+ BT_VALUE_PUT_REF_AND_RESET(cur_base_params);
+ BT_VALUE_PUT_REF_AND_RESET(instance_names);
+ BT_VALUE_PUT_REF_AND_RESET(connection_args);
+ return cfg;
+}
+
+static
+struct bt_config *bt_config_run_from_args_array(const bt_value *run_args,
+ int *retcode, bool force_omit_system_plugin_path,
+ bool force_omit_home_plugin_path,
+ const bt_value *initial_plugin_paths)
+{
+ struct bt_config *cfg = NULL;
+ const char **argv;
+ int64_t i, len;
+ const size_t argc = bt_value_array_get_size(run_args) + 1;
+
+ argv = calloc(argc, sizeof(*argv));
+ if (!argv) {
+ print_err_oom();
+ goto end;
+ }
+
+ argv[0] = "run";
+
+ len = bt_value_array_get_size(run_args);
+ if (len < 0) {
+ printf_err("Invalid executable arguments\n");
+ goto end;
+ }
+ for (i = 0; i < len; i++) {
+ const bt_value *arg_value =
+ bt_value_array_borrow_element_by_index_const(run_args,
+ i);
+ const char *arg;
+
+ BT_ASSERT(arg_value);
+ arg = bt_value_string_get(arg_value);
+ BT_ASSERT(arg);
+ argv[i + 1] = arg;
+ }
+
+ cfg = bt_config_run_from_args(argc, argv, retcode,
+ force_omit_system_plugin_path, force_omit_home_plugin_path,
+ initial_plugin_paths);
+
+end:
+ free(argv);
+ return cfg;
+}
+
+/*
+ * Prints the convert command usage.
+ */
+static
+void print_convert_usage(FILE *fp)
+{
+ fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] [convert] [OPTIONS] [PATH/URL]\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Options:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " -c, --component=[NAME:]TYPE.PLUGIN.CLS\n");
+ fprintf(fp, " Instantiate the component class CLS of type\n");
+ fprintf(fp, " TYPE (`source`, `filter`, or `sink`) found\n");
+ fprintf(fp, " in the plugin PLUGIN, add it to the\n");
+ fprintf(fp, " conversion graph, and optionally name it\n");
+ fprintf(fp, " NAME (you can also specify the name with\n");
+ fprintf(fp, " --name)\n");
+ fprintf(fp, " --name=NAME Set the name of the current component\n");
+ fprintf(fp, " to NAME (must be unique amongst all the\n");
+ fprintf(fp, " names of the created components)\n");
+ fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n");
+ fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n");
+ fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n");
+ fprintf(fp, " -p, --params=PARAMS Add initialization parameters PARAMS to the\n");
+ fprintf(fp, " current component (see the expected format\n");
+ fprintf(fp, " of PARAMS below)\n");
+ fprintf(fp, " -P, --path=PATH Set the `path` string parameter of the\n");
+ fprintf(fp, " current component to PATH\n");
+ fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n");
+ fprintf(fp, " --retry-duration=DUR When babeltrace2(1) needs to retry to run\n");
+ fprintf(fp, " the graph later, retry in DUR µs\n");
+ fprintf(fp, " (default: 100000)\n");
+ fprintf(fp, " dynamic plugins can be loaded\n");
+ fprintf(fp, " --run-args Print the equivalent arguments for the\n");
+ fprintf(fp, " `run` command to the standard output,\n");
+ fprintf(fp, " formatted for a shell, and quit\n");
+ fprintf(fp, " --run-args-0 Print the equivalent arguments for the\n");
+ fprintf(fp, " `run` command to the standard output,\n");
+ fprintf(fp, " formatted for `xargs -0`, and quit\n");
+ fprintf(fp, " --stream-intersection Only process events when all streams\n");
+ fprintf(fp, " are active\n");
+ fprintf(fp, " -u, --url=URL Set the `url` string parameter of the\n");
+ fprintf(fp, " current component to URL\n");
+ fprintf(fp, " -h, --help Show this help and quit\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Implicit `source.ctf.fs` component options:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " --clock-offset=SEC Set clock offset to SEC seconds\n");
+ fprintf(fp, " --clock-offset-ns=NS Set clock offset to NS ns\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Implicit `sink.text.pretty` component options:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " --clock-cycles Print timestamps in clock cycles\n");
+ fprintf(fp, " --clock-date Print timestamp dates\n");
+ fprintf(fp, " --clock-gmt Print and parse timestamps in the GMT\n");
+ fprintf(fp, " time zone instead of the local time zone\n");
+ fprintf(fp, " --clock-seconds Print the timestamps as `SEC.NS` instead\n");
+ fprintf(fp, " of `hh:mm:ss.nnnnnnnnn`\n");
+ fprintf(fp, " --color=(never | auto | always)\n");
+ fprintf(fp, " Never, automatically, or always emit\n");
+ fprintf(fp, " console color codes\n");
+ fprintf(fp, " -f, --fields=FIELD[,FIELD]... Print additional fields; FIELD can be:\n");
+ fprintf(fp, " `all`, `trace`, `trace:hostname`,\n");
+ fprintf(fp, " `trace:domain`, `trace:procname`,\n");
+ fprintf(fp, " `trace:vpid`, `loglevel`, `emf`\n");
+ fprintf(fp, " -n, --names=NAME[,NAME]... Print field names; NAME can be:\n");
+ fprintf(fp, " `payload` (or `arg` or `args`), `none`,\n");
+ fprintf(fp, " `all`, `scope`, `header`, `context`\n");
+ fprintf(fp, " (or `ctx`)\n");
+ fprintf(fp, " --no-delta Do not print time delta between\n");
+ fprintf(fp, " consecutive events\n");
+ fprintf(fp, " -w, --output=PATH Write output text to PATH instead of\n");
+ fprintf(fp, " the standard output\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Implicit `filter.utils.muxer` component options:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " --clock-force-correlate Assume that clocks are inherently\n");
+ fprintf(fp, " correlated across traces\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Implicit `filter.utils.trimmer` component options:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " -b, --begin=BEGIN Set the beginning time of the conversion\n");
+ fprintf(fp, " time range to BEGIN (see the format of\n");
+ fprintf(fp, " BEGIN below)\n");
+ fprintf(fp, " -e, --end=END Set the end time of the conversion time\n");
+ fprintf(fp, " range to END (see the format of END below)\n");
+ fprintf(fp, " -t, --timerange=TIMERANGE Set conversion time range to TIMERANGE:\n");
+ fprintf(fp, " BEGIN,END or [BEGIN,END] (literally `[` and\n");
+ fprintf(fp, " `]`) (see the format of BEGIN/END below)\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Implicit `filter.lttng-utils.debug-info` component options:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " --debug-info Create an implicit\n");
+ fprintf(fp, " `filter.lttng-utils.debug-info` component\n");
+ fprintf(fp, " --debug-info-dir=DIR Search for debug info in directory DIR\n");
+ fprintf(fp, " instead of `/usr/lib/debug`\n");
+ fprintf(fp, " --debug-info-full-path Show full debug info source and\n");
+ fprintf(fp, " binary paths instead of just names\n");
+ fprintf(fp, " --debug-info-target-prefix=DIR\n");
+ fprintf(fp, " Use directory DIR as a prefix when\n");
+ fprintf(fp, " looking up executables during debug\n");
+ fprintf(fp, " info analysis\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Legacy options that still work:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " -i, --input-format=(ctf | lttng-live)\n");
+ fprintf(fp, " `ctf`:\n");
+ fprintf(fp, " Create an implicit `source.ctf.fs`\n");
+ fprintf(fp, " component\n");
+ fprintf(fp, " `lttng-live`:\n");
+ fprintf(fp, " Create an implicit `source.ctf.lttng-live`\n");
+ fprintf(fp, " component\n");
+ fprintf(fp, " -o, --output-format=(text | ctf | dummy | ctf-metadata)\n");
+ fprintf(fp, " `text`:\n");
+ fprintf(fp, " Create an implicit `sink.text.pretty`\n");
+ fprintf(fp, " component\n");
+ fprintf(fp, " `ctf`:\n");
+ fprintf(fp, " Create an implicit `sink.ctf.fs`\n");
+ fprintf(fp, " component\n");
+ fprintf(fp, " `dummy`:\n");
+ fprintf(fp, " Create an implicit `sink.utils.dummy`\n");
+ fprintf(fp, " component\n");
+ fprintf(fp, " `ctf-metadata`:\n");
+ fprintf(fp, " Query the `source.ctf.fs` component class\n");
+ fprintf(fp, " for metadata text and quit\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "See `babeltrace2 --help` for the list of general options.\n");
+ fprintf(fp, "\n\n");
+ fprintf(fp, "Format of BEGIN and END\n");
+ fprintf(fp, "-----------------------\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " [YYYY-MM-DD [hh:mm:]]ss[.nnnnnnnnn]\n");
+ fprintf(fp, "\n\n");
+ print_expected_params_format(fp);
+}
+
+static
+struct poptOption convert_long_options[] = {
+ /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+ { "begin", 'b', POPT_ARG_STRING, NULL, OPT_BEGIN, NULL, NULL },
+ { "clock-cycles", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL },
+ { "clock-date", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
+ { "clock-force-correlate", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
+ { "clock-gmt", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
+ { "clock-offset", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
+ { "clock-offset-ns", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET_NS, NULL, NULL },
+ { "clock-seconds", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
+ { "color", '\0', POPT_ARG_STRING, NULL, OPT_COLOR, NULL, NULL },
+ { "component", 'c', POPT_ARG_STRING, NULL, OPT_COMPONENT, NULL, NULL },
+ { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
+ { "debug-info-dir", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_DIR, NULL, NULL },
+ { "debug-info-full-path", 0, POPT_ARG_NONE, NULL, OPT_DEBUG_INFO_FULL_PATH, NULL, NULL },
+ { "debug-info-target-prefix", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_TARGET_PREFIX, NULL, NULL },
+ { "end", 'e', POPT_ARG_STRING, NULL, OPT_END, NULL, NULL },
+ { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
+ { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+ { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL },
+ { "name", '\0', POPT_ARG_STRING, NULL, OPT_NAME, NULL, NULL },
+ { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
+ { "debug-info", '\0', POPT_ARG_NONE, NULL, OPT_DEBUG_INFO, NULL, NULL },
+ { "no-delta", '\0', POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
+ { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL },
+ { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL },
+ { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT, NULL, NULL },
+ { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL },
+ { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL },
+ { "path", 'P', POPT_ARG_STRING, NULL, OPT_PATH, NULL, NULL },
+ { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL },
+ { "retry-duration", '\0', POPT_ARG_STRING, NULL, OPT_RETRY_DURATION, NULL, NULL },
+ { "run-args", '\0', POPT_ARG_NONE, NULL, OPT_RUN_ARGS, NULL, NULL },
+ { "run-args-0", '\0', POPT_ARG_NONE, NULL, OPT_RUN_ARGS_0, NULL, NULL },
+ { "stream-intersection", '\0', POPT_ARG_NONE, NULL, OPT_STREAM_INTERSECTION, NULL, NULL },
+ { "timerange", '\0', POPT_ARG_STRING, NULL, OPT_TIMERANGE, NULL, NULL },
+ { "url", 'u', POPT_ARG_STRING, NULL, OPT_URL, NULL, NULL },
+ { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
+ { NULL, 0, '\0', NULL, 0, NULL, NULL },
+};
+
+static
+GString *get_component_auto_name(const char *prefix,
+ const bt_value *existing_names)
+{
+ unsigned int i = 0;
+ GString *auto_name = g_string_new(NULL);
+
+ if (!auto_name) {
+ print_err_oom();
+ goto end;
+ }
+
+ if (!bt_value_map_has_entry(existing_names, prefix)) {
+ g_string_assign(auto_name, prefix);
+ goto end;
+ }
+
+ do {
+ g_string_printf(auto_name, "%s-%d", prefix, i);
+ i++;
+ } while (bt_value_map_has_entry(existing_names, auto_name->str));
+
+end:
+ return auto_name;
+}
+
+struct implicit_component_args {
+ bool exists;
+ GString *comp_arg;
+ GString *name_arg;
+ GString *params_arg;
+ bt_value *extra_params;
+};
+
+static
+int assign_name_to_implicit_component(struct implicit_component_args *args,
+ const char *prefix, bt_value *existing_names,
+ GList **comp_names, bool append_to_comp_names)
+{
+ int ret = 0;
+ GString *name = NULL;
+
+ if (!args->exists) {
+ goto end;
+ }
+
+ name = get_component_auto_name(prefix,
+ existing_names);
+
+ if (!name) {
+ ret = -1;
+ goto end;
+ }
+
+ g_string_assign(args->name_arg, name->str);
+
+ if (bt_value_map_insert_entry(existing_names, name->str,
+ bt_value_null)) {
+ print_err_oom();
+ ret = -1;
+ goto end;
+ }
+
+ if (append_to_comp_names) {
+ *comp_names = g_list_append(*comp_names, name);
+ name = NULL;
+ }
+
+end:
+ if (name) {
+ g_string_free(name, TRUE);
+ }
+
+ return ret;
+}
+
+static
+int append_run_args_for_implicit_component(
+ struct implicit_component_args *impl_args,
+ bt_value *run_args)
+{
+ int ret = 0;
+ size_t i;
+
+ if (!impl_args->exists) {
+ goto end;
+ }
+
+ if (bt_value_array_append_string_element(run_args, "--component")) {
+ print_err_oom();
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args, impl_args->comp_arg->str)) {
+ print_err_oom();
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args, "--name")) {
+ print_err_oom();
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args, impl_args->name_arg->str)) {
+ print_err_oom();
+ goto error;
+ }
+
+ if (impl_args->params_arg->len > 0) {
+ if (bt_value_array_append_string_element(run_args, "--params")) {
+ print_err_oom();
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args,
+ impl_args->params_arg->str)) {
+ print_err_oom();
+ goto error;
+ }
+ }
+
+ for (i = 0; i < bt_value_array_get_size(impl_args->extra_params);
+ i++) {
+ const bt_value *elem;
+ const char *arg;
+
+ elem = bt_value_array_borrow_element_by_index(impl_args->extra_params,
+ i);
+ if (!elem) {
+ goto error;
+ }
+
+ BT_ASSERT(bt_value_is_string(elem));
+ arg = bt_value_string_get(elem);
+ ret = bt_value_array_append_string_element(run_args, arg);
+ if (ret) {
+ print_err_oom();
+ goto error;
+ }
+ }
+
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ return ret;
+}
+
+static
+void finalize_implicit_component_args(struct implicit_component_args *args)
+{
+ BT_ASSERT(args);
+
+ if (args->comp_arg) {
+ g_string_free(args->comp_arg, TRUE);
+ }
+
+ if (args->name_arg) {
+ g_string_free(args->name_arg, TRUE);
+ }
+
+ if (args->params_arg) {
+ g_string_free(args->params_arg, TRUE);
+ }
+
+ bt_value_put_ref(args->extra_params);
+}
+
+static
+int init_implicit_component_args(struct implicit_component_args *args,
+ const char *comp_arg, bool exists)
+{
+ int ret = 0;
+
+ args->exists = exists;
+ args->comp_arg = g_string_new(comp_arg);
+ args->name_arg = g_string_new(NULL);
+ args->params_arg = g_string_new(NULL);
+ args->extra_params = bt_value_array_create();
+
+ if (!args->comp_arg || !args->name_arg ||
+ !args->params_arg || !args->extra_params) {
+ ret = -1;
+ finalize_implicit_component_args(args);
+ print_err_oom();
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+static
+void append_implicit_component_param(struct implicit_component_args *args,
+ const char *key, const char *value)
+{
+ BT_ASSERT(args);
+ BT_ASSERT(key);
+ BT_ASSERT(value);
+ append_param_arg(args->params_arg, key, value);
+}
+
+/* Escape value to make it suitable to use as a string parameter value. */
+static
+gchar *escape_string_value(const char *value)
+{
+ GString *ret;
+ const char *in;
+
+ ret = g_string_new(NULL);
+ if (!ret) {
+ print_err_oom();
+ goto end;
+ }
+
+ in = value;
+ while (*in) {
+ switch (*in) {
+ case '"':
+ case '\\':
+ g_string_append_c(ret, '\\');
+ break;
+ }
+
+ g_string_append_c(ret, *in);
+
+ in++;
+ }
+
+end:
+ return g_string_free(ret, FALSE);
+}
+
+static
+int bt_value_to_cli_param_value_append(const bt_value *value, GString *buf)
+{
+ BT_ASSERT(buf);
+
+ int ret = -1;
+
+ switch (bt_value_get_type(value)) {
+ case BT_VALUE_TYPE_STRING:
+ {
+ const char *str_value = bt_value_string_get(value);
+ gchar *escaped_str_value;
+
+ escaped_str_value = escape_string_value(str_value);
+ if (!escaped_str_value) {
+ goto end;
+ }
+
+ g_string_append_printf(buf, "\"%s\"", escaped_str_value);
+
+ g_free(escaped_str_value);
+ break;
+ }
+ case BT_VALUE_TYPE_ARRAY: {
+ g_string_append_c(buf, '[');
+ uint64_t sz = bt_value_array_get_size(value);
+ for (uint64_t i = 0; i < sz; i++) {
+ const bt_value *item;
+ int ret;
+
+ if (i > 0) {
+ g_string_append(buf, ", ");
+ }
+
+ item = bt_value_array_borrow_element_by_index_const(
+ value, i);
+ ret = bt_value_to_cli_param_value_append(item, buf);
+
+ if (ret) {
+ goto end;
+ }
+ }
+ g_string_append_c(buf, ']');
+ break;
+ }
+ default:
+ abort();
+ }
+
+ ret = 0;
+
+end:
+ return ret;
+}
+
+/*
+ * Convert `value` to its equivalent representation as a command line parameter
+ * value.
+ */
+
+static
+gchar *bt_value_to_cli_param_value(bt_value *value)
+{
+ GString *buf;
+ gchar *result = NULL;
+
+ buf = g_string_new(NULL);
+ if (!buf) {
+ print_err_oom();
+ goto error;
+ }
+
+ if (bt_value_to_cli_param_value_append(value, buf)) {
+ goto error;
+ }
+
+ result = g_string_free(buf, FALSE);
+ buf = NULL;
+
+ goto end;
+
+error:
+ if (buf) {
+ g_string_free(buf, TRUE);
+ }
+
+end:
+ return result;
+}
+
+static
+int append_parameter_to_args(bt_value *args, const char *key, bt_value *value)
+{
+ BT_ASSERT(args);
+ BT_ASSERT(bt_value_get_type(args) == BT_VALUE_TYPE_ARRAY);
+ BT_ASSERT(key);
+ BT_ASSERT(value);
+
+ int ret = 0;
+ gchar *str_value = NULL;
+ GString *parameter = NULL;
+
+ if (bt_value_array_append_string_element(args, "--params")) {
+ print_err_oom();
+ ret = -1;
+ goto end;
+ }
+
+ str_value = bt_value_to_cli_param_value(value);
+ if (!str_value) {
+ ret = -1;
+ goto end;
+ }
+
+ parameter = g_string_new(NULL);
+ if (!parameter) {
+ print_err_oom();
+ ret = -1;
+ goto end;
+ }
+
+ g_string_printf(parameter, "%s=%s", key, str_value);
+
+ if (bt_value_array_append_string_element(args, parameter->str)) {
+ print_err_oom();
+ ret = -1;
+ goto end;
+ }
+
+end:
+ if (parameter) {
+ g_string_free(parameter, TRUE);
+ parameter = NULL;
+ }
+
+ if (str_value) {
+ g_free(str_value);
+ str_value = NULL;
+ }
+
+ return ret;
+}
+
+static
+int append_string_parameter_to_args(bt_value *args, const char *key, const char *value)
+{
+ bt_value *str_value;
+ int ret;
+
+ str_value = bt_value_string_create_init(value);
+
+ if (!str_value) {
+ print_err_oom();
+ ret = -1;
+ goto end;
+ }
+
+ ret = append_parameter_to_args(args, key, str_value);
+
+end:
+ BT_VALUE_PUT_REF_AND_RESET(str_value);
+ return ret;
+}
+
+static
+int append_implicit_component_extra_param(struct implicit_component_args *args,
+ const char *key, const char *value)
+{
+ return append_string_parameter_to_args(args->extra_params, key, value);
+}
+
+static
+int convert_append_name_param(enum bt_config_component_dest dest,
+ GString *cur_name, GString *cur_name_prefix,
+ bt_value *run_args,
+ bt_value *all_names,
+ GList **source_names, GList **filter_names,
+ GList **sink_names)
+{
+ int ret = 0;
+
+ if (cur_name_prefix->len > 0) {
+ /* We're after a --component option */
+ GString *name = NULL;
+ bool append_name_opt = false;
+
+ if (cur_name->len == 0) {
+ /*
+ * No explicit name was provided for the user
+ * component.
+ */
+ name = get_component_auto_name(cur_name_prefix->str,
+ all_names);
+ append_name_opt = true;
+ } else {
+ /*
+ * An explicit name was provided for the user
+ * component.
+ */
+ if (bt_value_map_has_entry(all_names,
+ cur_name->str)) {
+ printf_err("Duplicate component instance name:\n %s\n",
+ cur_name->str);
+ goto error;
+ }
+
+ name = g_string_new(cur_name->str);
+ }
+
+ if (!name) {
+ print_err_oom();
+ goto error;
+ }
+
+ /*
+ * Remember this name globally, for the uniqueness of
+ * all component names.
+ */
+ if (bt_value_map_insert_entry(all_names, name->str, bt_value_null)) {
+ print_err_oom();
+ goto error;
+ }
+
+ /*
+ * Append the --name option if necessary.
+ */
+ if (append_name_opt) {
+ if (bt_value_array_append_string_element(run_args, "--name")) {
+ print_err_oom();
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args, name->str)) {
+ print_err_oom();
+ goto error;
+ }
+ }
+
+ /*
+ * Remember this name specifically for the type of the
+ * component. This is to create connection arguments.
+ */
+ switch (dest) {
+ case BT_CONFIG_COMPONENT_DEST_SOURCE:
+ *source_names = g_list_append(*source_names, name);
+ break;
+ case BT_CONFIG_COMPONENT_DEST_FILTER:
+ *filter_names = g_list_append(*filter_names, name);
+ break;
+ case BT_CONFIG_COMPONENT_DEST_SINK:
+ *sink_names = g_list_append(*sink_names, name);
+ break;
+ default:
+ abort();
+ }
+
+ g_string_assign(cur_name_prefix, "");
+ }
+
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ return ret;
+}
+
+/*
+ * Escapes `.`, `:`, and `\` of `input` with `\`.
+ */
+static
+GString *escape_dot_colon(const char *input)
+{
+ GString *output = g_string_new(NULL);
+ const char *ch;
+
+ if (!output) {
+ print_err_oom();
+ goto end;
+ }
+
+ for (ch = input; *ch != '\0'; ch++) {
+ if (*ch == '\\' || *ch == '.' || *ch == ':') {
+ g_string_append_c(output, '\\');
+ }
+
+ g_string_append_c(output, *ch);
+ }
+
+end:
+ return output;
+}
+
+/*
+ * Appends a --connect option to a list of arguments. `upstream_name`
+ * and `downstream_name` are escaped with escape_dot_colon() in this
+ * function.
+ */
+static
+int append_connect_arg(bt_value *run_args,
+ const char *upstream_name, const char *downstream_name)
+{
+ int ret = 0;
+ GString *e_upstream_name = escape_dot_colon(upstream_name);
+ GString *e_downstream_name = escape_dot_colon(downstream_name);
+ GString *arg = g_string_new(NULL);
+
+ if (!e_upstream_name || !e_downstream_name || !arg) {
+ print_err_oom();
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_value_array_append_string_element(run_args, "--connect");
+ if (ret) {
+ print_err_oom();
+ ret = -1;
+ goto end;
+ }
+
+ g_string_append(arg, e_upstream_name->str);
+ g_string_append_c(arg, ':');
+ g_string_append(arg, e_downstream_name->str);
+ ret = bt_value_array_append_string_element(run_args, arg->str);
+ if (ret) {
+ print_err_oom();
+ ret = -1;
+ goto end;
+ }
+
+end:
+ if (arg) {
+ g_string_free(arg, TRUE);
+ }
+
+ if (e_upstream_name) {
+ g_string_free(e_upstream_name, TRUE);
+ }
+
+ if (e_downstream_name) {
+ g_string_free(e_downstream_name, TRUE);
+ }
+
+ return ret;
+}
+
+/*
+ * Appends the run command's --connect options for the convert command.
+ */
+static
+int convert_auto_connect(bt_value *run_args,
+ GList *source_names, GList *filter_names,
+ GList *sink_names)
+{
+ int ret = 0;
+ GList *source_at = source_names;
+ GList *filter_at = filter_names;
+ GList *filter_prev;
+ GList *sink_at = sink_names;
+
+ BT_ASSERT(source_names);
+ BT_ASSERT(filter_names);
+ BT_ASSERT(sink_names);
+
+ /* Connect all sources to the first filter */
+ for (source_at = source_names; source_at != NULL; source_at = g_list_next(source_at)) {
+ GString *source_name = source_at->data;
+ GString *filter_name = filter_at->data;
+
+ ret = append_connect_arg(run_args, source_name->str,
+ filter_name->str);
+ if (ret) {
+ goto error;
+ }
+ }
+
+ filter_prev = filter_at;
+ filter_at = g_list_next(filter_at);
+
+ /* Connect remaining filters */
+ for (; filter_at != NULL; filter_prev = filter_at, filter_at = g_list_next(filter_at)) {
+ GString *filter_name = filter_at->data;
+ GString *filter_prev_name = filter_prev->data;
+
+ ret = append_connect_arg(run_args, filter_prev_name->str,
+ filter_name->str);
+ if (ret) {
+ goto error;
+ }
+ }
+
+ /* Connect last filter to all sinks */
+ for (sink_at = sink_names; sink_at != NULL; sink_at = g_list_next(sink_at)) {
+ GString *filter_name = filter_prev->data;
+ GString *sink_name = sink_at->data;
+
+ ret = append_connect_arg(run_args, filter_name->str,
+ sink_name->str);
+ if (ret) {
+ goto error;
+ }
+ }
+
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ return ret;
+}
+
+static
+int split_timerange(const char *arg, char **begin, char **end)
+{
+ int ret = 0;
+ const char *ch = arg;
+ size_t end_pos;
+ GString *g_begin = NULL;
+ GString *g_end = NULL;
+
+ BT_ASSERT(arg);
+
+ if (*ch == '[') {
+ ch++;
+ }
+
+ g_begin = bt_common_string_until(ch, "", ",", &end_pos);
+ if (!g_begin || ch[end_pos] != ',' || g_begin->len == 0) {
+ goto error;
+ }
+
+ ch += end_pos + 1;
+
+ g_end = bt_common_string_until(ch, "", "]", &end_pos);
+ if (!g_end || g_end->len == 0) {
+ goto error;
+ }
+
+ BT_ASSERT(begin);
+ BT_ASSERT(end);
+ *begin = g_begin->str;
+ *end = g_end->str;
+ g_string_free(g_begin, FALSE);
+ g_string_free(g_end, FALSE);
+ g_begin = NULL;
+ g_end = NULL;
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ if (g_begin) {
+ g_string_free(g_begin, TRUE);
+ }
+
+ if (g_end) {
+ g_string_free(g_end, TRUE);
+ }
+
+ return ret;
+}
+
+static
+int g_list_prepend_gstring(GList **list, const char *string)
+{
+ int ret = 0;
+ GString *gs = g_string_new(string);
+
+ BT_ASSERT(list);
+
+ if (!gs) {
+ print_err_oom();
+ goto end;
+ }
+
+ *list = g_list_prepend(*list, gs);
+
+end:
+ return ret;
+}
+
+/*
+ * Creates a Babeltrace config object from the arguments of a convert
+ * command.
+ *
+ * *retcode is set to the appropriate exit code to use.
+ */
+static
+struct bt_config *bt_config_convert_from_args(int argc, const char *argv[],
+ int *retcode, bool force_omit_system_plugin_path,
+ bool force_omit_home_plugin_path,
+ const bt_value *initial_plugin_paths, char *log_level)
+{
+ poptContext pc = NULL;
+ char *arg = NULL;
+ enum bt_config_component_dest cur_comp_dest =
+ BT_CONFIG_COMPONENT_DEST_UNKNOWN;
+ int opt, ret = 0;
+ struct bt_config *cfg = NULL;
+ bool got_input_format_opt = false;
+ bool got_output_format_opt = false;
+ bool trimmer_has_begin = false;
+ bool trimmer_has_end = false;
+ bool stream_intersection_mode = false;
+ GString *cur_name = NULL;
+ GString *cur_name_prefix = NULL;
+ const char *leftover = NULL;
+ bool print_run_args = false;
+ bool print_run_args_0 = false;
+ bool print_ctf_metadata = false;
+ bt_value *run_args = NULL;
+ bt_value *all_names = NULL;
+ GList *source_names = NULL;
+ GList *filter_names = NULL;
+ GList *sink_names = NULL;
+ bt_value *leftovers = NULL;
+ struct implicit_component_args implicit_ctf_input_args = { 0 };
+ struct implicit_component_args implicit_ctf_output_args = { 0 };
+ struct implicit_component_args implicit_lttng_live_args = { 0 };
+ struct implicit_component_args implicit_dummy_args = { 0 };
+ struct implicit_component_args implicit_text_args = { 0 };
+ struct implicit_component_args implicit_debug_info_args = { 0 };
+ struct implicit_component_args implicit_muxer_args = { 0 };
+ struct implicit_component_args implicit_trimmer_args = { 0 };
+ bt_value *plugin_paths;
+ char error_buf[256] = { 0 };
+ size_t i;
+ struct bt_common_lttng_live_url_parts lttng_live_url_parts = { 0 };
+ char *output = NULL;
+
+ (void) bt_value_copy(initial_plugin_paths, &plugin_paths);
+
+ *retcode = 0;
+
+ if (argc <= 1) {
+ print_convert_usage(stdout);
+ *retcode = -1;
+ goto end;
+ }
+
+ if (init_implicit_component_args(&implicit_ctf_input_args,
+ "source.ctf.fs", false)) {
+ goto error;
+ }
+
+ if (init_implicit_component_args(&implicit_ctf_output_args,
+ "sink.ctf.fs", false)) {
+ goto error;
+ }
+
+ if (init_implicit_component_args(&implicit_lttng_live_args,
+ "source.ctf.lttng-live", false)) {
+ goto error;
+ }
+
+ if (init_implicit_component_args(&implicit_text_args,
+ "sink.text.pretty", false)) {
+ goto error;
+ }
+
+ if (init_implicit_component_args(&implicit_dummy_args,
+ "sink.utils.dummy", false)) {
+ goto error;
+ }
+
+ if (init_implicit_component_args(&implicit_debug_info_args,
+ "filter.lttng-utils.debug-info", false)) {
+ goto error;
+ }
+
+ if (init_implicit_component_args(&implicit_muxer_args,
+ "filter.utils.muxer", true)) {
+ goto error;
+ }
+
+ if (init_implicit_component_args(&implicit_trimmer_args,
+ "filter.utils.trimmer", false)) {
+ goto error;
+ }
+
+ all_names = bt_value_map_create();
+ if (!all_names) {
+ print_err_oom();
+ goto error;
+ }
+
+ run_args = bt_value_array_create();
+ if (!run_args) {
+ print_err_oom();
+ goto error;
+ }
+
+ cur_name = g_string_new(NULL);
+ if (!cur_name) {
+ print_err_oom();
+ goto error;
+ }
+
+ cur_name_prefix = g_string_new(NULL);
+ if (!cur_name_prefix) {
+ print_err_oom();
+ goto error;
+ }
+
+ ret = append_env_var_plugin_paths(plugin_paths);
+ if (ret) {
+ goto error;
+ }
+
+ leftovers = bt_value_array_create();
+ if (!leftovers) {
+ print_err_oom();
+ goto error;
+ }
+
+ /*
+ * First pass: collect all arguments which need to be passed
+ * as is to the run command. This pass can also add --name
+ * arguments if needed to automatically name unnamed component
+ * instances. Also it does the following transformations:
+ *
+ * --path=PATH -> --params=path="PATH"
+ * --url=URL -> --params=url="URL"
+ *
+ * Also it appends the plugin paths of --plugin-path to
+ * `plugin_paths`.
+ */
+ pc = poptGetContext(NULL, argc, (const char **) argv,
+ convert_long_options, 0);
+ if (!pc) {
+ printf_err("Cannot get popt context\n");
+ goto error;
+ }
+
+ poptReadDefaultConfig(pc, 0);
+
+ while ((opt = poptGetNextOpt(pc)) > 0) {
+ char *name = NULL;
+ char *plugin_name = NULL;
+ char *comp_cls_name = NULL;
+
+ arg = poptGetOptArg(pc);
+
+ switch (opt) {
+ case OPT_COMPONENT:
+ {
+ bt_component_class_type type;
+ const char *type_prefix;
+
+ /* Append current component's name if needed */
+ ret = convert_append_name_param(cur_comp_dest, cur_name,
+ cur_name_prefix, run_args, all_names,
+ &source_names, &filter_names, &sink_names);
+ if (ret) {
+ goto error;
+ }
+
+ /* Parse the argument */
+ plugin_comp_cls_names(arg, &name, &plugin_name,
+ &comp_cls_name, &type);
+ if (!plugin_name || !comp_cls_name) {
+ printf_err("Invalid format for --component option's argument:\n %s\n",
+ arg);
+ goto error;
+ }
+
+ if (name) {
+ g_string_assign(cur_name, name);
+ } else {
+ g_string_assign(cur_name, "");
+ }
+
+ switch (type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ cur_comp_dest = BT_CONFIG_COMPONENT_DEST_SOURCE;
+ type_prefix = "source";
+ break;
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ cur_comp_dest = BT_CONFIG_COMPONENT_DEST_FILTER;
+ type_prefix = "filter";
+ break;
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ cur_comp_dest = BT_CONFIG_COMPONENT_DEST_SINK;
+ type_prefix = "sink";
+ break;
+ default:
+ abort();
+ }
+
+ if (bt_value_array_append_string_element(run_args,
+ "--component")) {
+ print_err_oom();
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args, arg)) {
+ print_err_oom();
+ goto error;
+ }
+
+ g_string_assign(cur_name_prefix, "");
+ g_string_append_printf(cur_name_prefix, "%s.%s.%s",
+ type_prefix, plugin_name, comp_cls_name);
+ free(name);
+ free(plugin_name);
+ free(comp_cls_name);
+ name = NULL;
+ plugin_name = NULL;
+ comp_cls_name = NULL;
+ break;
+ }
+ case OPT_PARAMS:
+ if (cur_name_prefix->len == 0) {
+ printf_err("No current component of which to set parameters:\n %s\n",
+ arg);
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args,
+ "--params")) {
+ print_err_oom();
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args, arg)) {
+ print_err_oom();
+ goto error;
+ }
+ break;
+ case OPT_PATH:
+ if (cur_name_prefix->len == 0) {
+ printf_err("No current component of which to set `path` parameter:\n %s\n",
+ arg);
+ goto error;
+ }
+
+ if (append_string_parameter_to_args(run_args, "path", arg)) {
+ goto error;
+ }
+ break;
+ case OPT_URL:
+ if (cur_name_prefix->len == 0) {
+ printf_err("No current component of which to set `url` parameter:\n %s\n",
+ arg);
+ goto error;
+ }
+
+
+ if (append_string_parameter_to_args(run_args, "url", arg)) {
+ goto error;
+ }
+ break;
+ case OPT_NAME:
+ if (cur_name_prefix->len == 0) {
+ printf_err("No current component to name:\n %s\n",
+ arg);
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args, "--name")) {
+ print_err_oom();
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args, arg)) {
+ print_err_oom();
+ goto error;
+ }
+
+ g_string_assign(cur_name, arg);
+ break;
+ case OPT_OMIT_HOME_PLUGIN_PATH:
+ force_omit_home_plugin_path = true;
+
+ if (bt_value_array_append_string_element(run_args,
+ "--omit-home-plugin-path")) {
+ print_err_oom();
+ goto error;
+ }
+ break;
+ case OPT_RETRY_DURATION:
+ if (bt_value_array_append_string_element(run_args,
+ "--retry-duration")) {
+ print_err_oom();
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args, arg)) {
+ print_err_oom();
+ goto error;
+ }
+ break;
+ case OPT_OMIT_SYSTEM_PLUGIN_PATH:
+ force_omit_system_plugin_path = true;
+
+ if (bt_value_array_append_string_element(run_args,
+ "--omit-system-plugin-path")) {
+ print_err_oom();
+ goto error;
+ }
+ break;
+ case OPT_PLUGIN_PATH:
+ if (bt_config_append_plugin_paths_check_setuid_setgid(
+ plugin_paths, arg)) {
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args,
+ "--plugin-path")) {
+ print_err_oom();
+ goto error;
+ }
+
+ if (bt_value_array_append_string_element(run_args, arg)) {
+ print_err_oom();
+ goto error;
+ }
+ break;
+ case OPT_HELP:
+ print_convert_usage(stdout);
+ *retcode = -1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+ goto end;
+ case OPT_BEGIN:
+ case OPT_CLOCK_CYCLES:
+ case OPT_CLOCK_DATE:
+ case OPT_CLOCK_FORCE_CORRELATE:
+ case OPT_CLOCK_GMT:
+ case OPT_CLOCK_OFFSET:
+ case OPT_CLOCK_OFFSET_NS:
+ case OPT_CLOCK_SECONDS:
+ case OPT_COLOR:
+ case OPT_DEBUG:
+ case OPT_DEBUG_INFO:
+ case OPT_DEBUG_INFO_DIR:
+ case OPT_DEBUG_INFO_FULL_PATH:
+ case OPT_DEBUG_INFO_TARGET_PREFIX:
+ case OPT_END:
+ case OPT_FIELDS:
+ case OPT_INPUT_FORMAT:
+ case OPT_NAMES:
+ case OPT_NO_DELTA:
+ case OPT_OUTPUT_FORMAT:
+ case OPT_OUTPUT:
+ case OPT_RUN_ARGS:
+ case OPT_RUN_ARGS_0:
+ case OPT_STREAM_INTERSECTION:
+ case OPT_TIMERANGE:
+ case OPT_VERBOSE:
+ /* Ignore in this pass */
+ break;
+ default:
+ printf_err("Unknown command-line option specified (option code %d)\n",
+ opt);
+ goto error;
+ }
+
+ free(arg);
+ arg = NULL;
+ }
+
+ /* Append current component's name if needed */
+ ret = convert_append_name_param(cur_comp_dest, cur_name,
+ cur_name_prefix, run_args, all_names, &source_names,
+ &filter_names, &sink_names);
+ if (ret) {
+ goto error;
+ }
+
+ /* Check for option parsing error */
+ if (opt < -1) {
+ printf_err("While parsing command-line options, at option %s: %s\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ goto error;
+ }
+
+ poptFreeContext(pc);
+ free(arg);
+ arg = NULL;
+
+ /*
+ * Second pass: transform the convert-specific options and
+ * arguments into implicit component instances for the run
+ * command.
+ */
+ pc = poptGetContext(NULL, argc, (const char **) argv,
+ convert_long_options, 0);
+ if (!pc) {
+ printf_err("Cannot get popt context\n");
+ goto error;
+ }
+
+ poptReadDefaultConfig(pc, 0);
+
+ while ((opt = poptGetNextOpt(pc)) > 0) {
+ arg = poptGetOptArg(pc);
+
+ switch (opt) {
+ case OPT_BEGIN:
+ if (trimmer_has_begin) {
+ printf("At --begin option: --begin or --timerange option already specified\n %s\n",
+ arg);
+ goto error;
+ }
+
+ trimmer_has_begin = true;
+ ret = append_implicit_component_extra_param(
+ &implicit_trimmer_args, "begin", arg);
+ implicit_trimmer_args.exists = true;
+ if (ret) {
+ goto error;
+ }
+ break;
+ case OPT_END:
+ if (trimmer_has_end) {
+ printf("At --end option: --end or --timerange option already specified\n %s\n",
+ arg);
+ goto error;
+ }
+
+ trimmer_has_end = true;
+ ret = append_implicit_component_extra_param(
+ &implicit_trimmer_args, "end", arg);
+ implicit_trimmer_args.exists = true;
+ if (ret) {
+ goto error;
+ }
+ break;
+ case OPT_TIMERANGE:
+ {
+ char *begin;
+ char *end;
+
+ if (trimmer_has_begin || trimmer_has_end) {
+ printf("At --timerange option: --begin, --end, or --timerange option already specified\n %s\n",
+ arg);
+ goto error;
+ }
+
+ ret = split_timerange(arg, &begin, &end);
+ if (ret) {
+ printf_err("Invalid --timerange option's argument: expecting BEGIN,END or [BEGIN,END]:\n %s\n",
+ arg);
+ goto error;
+ }
+
+ ret = append_implicit_component_extra_param(
+ &implicit_trimmer_args, "begin", begin);
+ ret |= append_implicit_component_extra_param(
+ &implicit_trimmer_args, "end", end);
+ implicit_trimmer_args.exists = true;
+ free(begin);
+ free(end);
+ if (ret) {
+ goto error;
+ }
+ break;
+ }
+ case OPT_CLOCK_CYCLES:
+ append_implicit_component_param(
+ &implicit_text_args, "clock-cycles", "yes");
+ implicit_text_args.exists = true;
+ break;
+ case OPT_CLOCK_DATE:
+ append_implicit_component_param(
+ &implicit_text_args, "clock-date", "yes");
+ implicit_text_args.exists = true;
+ break;
+ case OPT_CLOCK_FORCE_CORRELATE:
+ append_implicit_component_param(
+ &implicit_muxer_args,
+ "assume-absolute-clock-classes", "yes");
+ break;
+ case OPT_CLOCK_GMT:
+ append_implicit_component_param(
+ &implicit_text_args, "clock-gmt", "yes");
+ append_implicit_component_param(
+ &implicit_trimmer_args, "gmt", "yes");
+ implicit_text_args.exists = true;
+ break;
+ case OPT_CLOCK_OFFSET:
+ implicit_ctf_input_args.exists = true;
+ append_implicit_component_param(
+ &implicit_ctf_input_args,
+ "clock-class-offset-s", arg);
+ break;
+ case OPT_CLOCK_OFFSET_NS:
+ implicit_ctf_input_args.exists = true;
+ append_implicit_component_param(
+ &implicit_ctf_input_args,
+ "clock-class-offset-ns", arg);
+ break;
+ case OPT_CLOCK_SECONDS:
+ append_implicit_component_param(
+ &implicit_text_args, "clock-seconds", "yes");
+ implicit_text_args.exists = true;
+ break;
+ case OPT_COLOR:
+ implicit_text_args.exists = true;
+ ret = append_implicit_component_extra_param(
+ &implicit_text_args, "color", arg);
+ if (ret) {
+ goto error;
+ }
+ break;
+ case OPT_DEBUG_INFO:
+ implicit_debug_info_args.exists = true;
+ break;
+ case OPT_DEBUG_INFO_DIR:
+ implicit_debug_info_args.exists = true;
+ ret = append_implicit_component_extra_param(
+ &implicit_debug_info_args, "debug-info-dir", arg);
+ if (ret) {
+ goto error;
+ }
+ break;
+ case OPT_DEBUG_INFO_FULL_PATH:
+ implicit_debug_info_args.exists = true;
+ append_implicit_component_param(
+ &implicit_debug_info_args, "full-path", "yes");
+ break;
+ case OPT_DEBUG_INFO_TARGET_PREFIX:
+ implicit_debug_info_args.exists = true;
+ ret = append_implicit_component_extra_param(
+ &implicit_debug_info_args,
+ "target-prefix", arg);
+ if (ret) {
+ goto error;
+ }
+ break;
+ case OPT_FIELDS:
+ {
+ bt_value *fields = fields_from_arg(arg);
+
+ if (!fields) {
+ goto error;
+ }
+
+ implicit_text_args.exists = true;
+ ret = insert_flat_params_from_array(
+ implicit_text_args.params_arg,
+ fields, "field");
+ bt_value_put_ref(fields);
+ if (ret) {
+ goto error;
+ }
+ break;
+ }
+ case OPT_NAMES:
+ {
+ bt_value *names = names_from_arg(arg);
+
+ if (!names) {
+ goto error;
+ }
+
+ implicit_text_args.exists = true;
+ ret = insert_flat_params_from_array(
+ implicit_text_args.params_arg,
+ names, "name");
+ bt_value_put_ref(names);
+ if (ret) {
+ goto error;
+ }
+ break;
+ }
+ case OPT_NO_DELTA:
+ append_implicit_component_param(
+ &implicit_text_args, "no-delta", "yes");
+ implicit_text_args.exists = true;
+ break;
+ case OPT_INPUT_FORMAT:
+ if (got_input_format_opt) {
+ printf_err("Duplicate --input-format option\n");
+ goto error;
+ }
+
+ got_input_format_opt = true;
+
+ if (strcmp(arg, "ctf") == 0) {
+ implicit_ctf_input_args.exists = true;
+ } else if (strcmp(arg, "lttng-live") == 0) {
+ implicit_lttng_live_args.exists = true;
+ } else {
+ printf_err("Unknown legacy input format:\n %s\n",
+ arg);
+ goto error;
+ }
+ break;
+ case OPT_OUTPUT_FORMAT:
+ if (got_output_format_opt) {
+ printf_err("Duplicate --output-format option\n");
+ goto error;
+ }
+
+ got_output_format_opt = true;
+
+ if (strcmp(arg, "text") == 0) {
+ implicit_text_args.exists = true;
+ } else if (strcmp(arg, "ctf") == 0) {
+ implicit_ctf_output_args.exists = true;
+ } else if (strcmp(arg, "dummy") == 0) {
+ implicit_dummy_args.exists = true;
+ } else if (strcmp(arg, "ctf-metadata") == 0) {
+ print_ctf_metadata = true;
+ } else {
+ printf_err("Unknown legacy output format:\n %s\n",
+ arg);
+ goto error;
+ }
+ break;
+ case OPT_OUTPUT:
+ if (output) {
+ printf_err("Duplicate --output option\n");
+ goto error;
+ }
+
+ output = strdup(arg);
+ if (!output) {
+ print_err_oom();
+ goto error;
+ }
+ break;
+ case OPT_RUN_ARGS:
+ if (print_run_args_0) {
+ printf_err("Cannot specify --run-args and --run-args-0\n");
+ goto error;
+ }
+
+ print_run_args = true;
+ break;
+ case OPT_RUN_ARGS_0:
+ if (print_run_args) {
+ printf_err("Cannot specify --run-args and --run-args-0\n");
+ goto error;
+ }
+
+ print_run_args_0 = true;
+ break;
+ case OPT_STREAM_INTERSECTION:
+ /*
+ * Applies to all traces implementing the trace-info
+ * query.
+ */
+ stream_intersection_mode = true;
+ break;
+ case OPT_VERBOSE:
+ if (*log_level != 'V' && *log_level != 'D') {
+ *log_level = 'I';
+ }
+ break;
+ case OPT_DEBUG:
+ *log_level = 'V';
+ break;
+ }
+
+ free(arg);
+ arg = NULL;
+ }
+
+ /* Check for option parsing error */
+ if (opt < -1) {
+ printf_err("While parsing command-line options, at option %s: %s\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ goto error;
+ }
+
+ /*
+ * Legacy behaviour: --verbose used to make the `text` output
+ * format print more information. --verbose is now equivalent to
+ * the INFO log level, which is why we compare to 'I' here.
+ */
+ if (*log_level == 'I') {
+ append_implicit_component_param(&implicit_text_args,
+ "verbose", "yes");
+ }
+
+ /*
+ * Append home and system plugin paths now that we possibly got
+ * --plugin-path.
+ */
+ if (append_home_and_system_plugin_paths(plugin_paths,
+ force_omit_system_plugin_path,
+ force_omit_home_plugin_path)) {
+ goto error;
+ }
+
+ /* Consume and keep leftover arguments */
+ while ((leftover = poptGetArg(pc))) {
+ bt_value_status status = bt_value_array_append_string_element(leftovers, leftover);
+ if (status != BT_VALUE_STATUS_OK) {
+ print_err_oom();
+ goto error;
+ }
+ }
+
+ /* Print CTF metadata or print LTTng live sessions */
+ if (print_ctf_metadata) {
+ const bt_value *bt_val_leftover;
+
+ if (bt_value_array_is_empty(leftovers)) {
+ printf_err("--output-format=ctf-metadata specified without a path\n");
+ goto error;
+ }
+
+ if (bt_value_array_get_size(leftovers) > 1) {
+ printf_err("Too many paths specified for --output-format=ctf-metadata\n");
+ goto error;
+ }
+
+ cfg = bt_config_print_ctf_metadata_create(plugin_paths);
+ if (!cfg) {
+ goto error;
+ }
+
+ bt_val_leftover = bt_value_array_borrow_element_by_index_const(leftovers, 0);
+ g_string_assign(cfg->cmd_data.print_ctf_metadata.path,
+ bt_value_string_get(bt_val_leftover));
+
+ if (output) {
+ g_string_assign(
+ cfg->cmd_data.print_ctf_metadata.output_path,
+ output);
+ }
+
+ goto end;
+ }
+
+ /*
+ * If -o ctf was specified, make sure an output path (--output)
+ * was also specified. --output does not imply -o ctf because
+ * it's also used for the default, implicit -o text if -o ctf
+ * is not specified.
+ */
+ if (implicit_ctf_output_args.exists) {
+ if (!output) {
+ printf_err("--output-format=ctf specified without --output (trace output path)\n");
+ goto error;
+ }
+
+ /*
+ * At this point we know that -o ctf AND --output were
+ * specified. Make sure that no options were specified
+ * which would imply -o text because --output would be
+ * ambiguous in this case. For example, this is wrong:
+ *
+ * babeltrace2 --names=all -o ctf --output=/tmp/path my-trace
+ *
+ * because --names=all implies -o text, and --output
+ * could apply to both the sink.text.pretty and
+ * sink.ctf.fs implicit components.
+ */
+ if (implicit_text_args.exists) {
+ printf_err("Ambiguous --output option: --output-format=ctf specified but another option implies --output-format=text\n");
+ goto error;
+ }
+ }
+
+ /*
+ * If -o dummy and -o ctf were not specified, and if there are
+ * no explicit sink components, then use an implicit
+ * `sink.text.pretty` component.
+ */
+ if (!implicit_dummy_args.exists && !implicit_ctf_output_args.exists &&
+ !sink_names) {
+ implicit_text_args.exists = true;
+ }
+
+ /*
+ * Set implicit `sink.text.pretty` or `sink.ctf.fs` component's
+ * `path` parameter if --output was specified.
+ */
+ if (output) {
+ if (implicit_text_args.exists) {
+ append_implicit_component_extra_param(&implicit_text_args,
+ "path", output);
+ } else if (implicit_ctf_output_args.exists) {
+ append_implicit_component_extra_param(&implicit_ctf_output_args,
+ "path", output);
+ }
+ }
+
+ /* Decide where the leftover argument(s) go */
+ if (bt_value_array_get_size(leftovers) > 0) {
+ if (implicit_lttng_live_args.exists) {
+ const bt_value *bt_val_leftover;
+
+ if (bt_value_array_get_size(leftovers) > 1) {
+ printf_err("Too many URLs specified for --output-format=lttng-live\n");
+ goto error;
+ }
+
+ bt_val_leftover = bt_value_array_borrow_element_by_index_const(leftovers, 0);
+ lttng_live_url_parts =
+ bt_common_parse_lttng_live_url(bt_value_string_get(bt_val_leftover),
+ error_buf, sizeof(error_buf));
+ if (!lttng_live_url_parts.proto) {
+ printf_err("Invalid LTTng live URL format: %s\n",
+ error_buf);
+ goto error;
+ }
+
+ if (!lttng_live_url_parts.session_name) {
+ /* Print LTTng live sessions */
+ cfg = bt_config_print_lttng_live_sessions_create(
+ plugin_paths);
+ if (!cfg) {
+ goto error;
+ }
+
+ g_string_assign(cfg->cmd_data.print_lttng_live_sessions.url,
+ bt_value_string_get(bt_val_leftover));
+
+ if (output) {
+ g_string_assign(
+ cfg->cmd_data.print_lttng_live_sessions.output_path,
+ output);
+ }
+
+ goto end;
+ }
+
+ ret = append_implicit_component_extra_param(
+ &implicit_lttng_live_args, "url",
+ bt_value_string_get(bt_val_leftover));
+ if (ret) {
+ goto error;
+ }
+
+ ret = append_implicit_component_extra_param(
+ &implicit_lttng_live_args,
+ "session-not-found-action", "end");
+ if (ret) {
+ goto error;
+ }
+ } else {
+ /*
+ * Create one source.ctf.fs component, pass it an array
+ * with the leftovers.
+ * Note that it still has to be named later.
+ */
+ implicit_ctf_input_args.exists = true;
+ ret = append_parameter_to_args(implicit_ctf_input_args.extra_params,
+ "paths", leftovers);
+ if (ret) {
+ goto error;
+ }
+ }
+ }
+
+ /*
+ * Ensure mutual exclusion between implicit `source.ctf.fs` and
+ * `source.ctf.lttng-live` components.
+ */
+ if (implicit_ctf_input_args.exists && implicit_lttng_live_args.exists) {
+ printf_err("Cannot create both implicit `%s` and `%s` components\n",
+ implicit_ctf_input_args.comp_arg->str,
+ implicit_lttng_live_args.comp_arg->str);
+ goto error;
+ }
+
+ /*
+ * If the implicit `source.ctf.fs` or `source.ctf.lttng-live`
+ * components exists, make sure there's at least one leftover
+ * (which is the path or URL).
+ */
+ if (implicit_ctf_input_args.exists && bt_value_array_is_empty(leftovers)) {
+ printf_err("Missing path for implicit `%s` component\n",
+ implicit_ctf_input_args.comp_arg->str);
+ goto error;
+ }
+
+ if (implicit_lttng_live_args.exists && bt_value_array_is_empty(leftovers)) {
+ printf_err("Missing URL for implicit `%s` component\n",
+ implicit_lttng_live_args.comp_arg->str);
+ goto error;
+ }
+
+ /* Assign names to implicit components */
+ ret = assign_name_to_implicit_component(&implicit_ctf_input_args,
+ "source-ctf-fs", all_names, &source_names, true);
+ if (ret) {
+ goto error;
+ }
+
+ ret = assign_name_to_implicit_component(&implicit_lttng_live_args,
+ "lttng-live", all_names, &source_names, true);
+ if (ret) {
+ goto error;
+ }
+
+ ret = assign_name_to_implicit_component(&implicit_text_args,
+ "pretty", all_names, &sink_names, true);
+ if (ret) {
+ goto error;
+ }
+
+ ret = assign_name_to_implicit_component(&implicit_ctf_output_args,
+ "sink-ctf-fs", all_names, &sink_names, true);
+ if (ret) {
+ goto error;
+ }
+
+ ret = assign_name_to_implicit_component(&implicit_dummy_args,
+ "dummy", all_names, &sink_names, true);
+ if (ret) {
+ goto error;
+ }
+
+ ret = assign_name_to_implicit_component(&implicit_muxer_args,
+ "muxer", all_names, NULL, false);
+ if (ret) {
+ goto error;
+ }
+
+ ret = assign_name_to_implicit_component(&implicit_trimmer_args,
+ "trimmer", all_names, NULL, false);
+ if (ret) {
+ goto error;
+ }
+
+ ret = assign_name_to_implicit_component(&implicit_debug_info_args,
+ "debug-info", all_names, NULL, false);
+ if (ret) {
+ goto error;
+ }
+
+ /* Make sure there's at least one source and one sink */
+ if (!source_names) {
+ printf_err("No source component\n");
+ goto error;
+ }
+
+ if (!sink_names) {
+ printf_err("No sink component\n");
+ goto error;
+ }
+
+ /*
+ * Prepend the muxer, the trimmer, and the debug info to the
+ * filter chain so that we have:
+ *
+ * sources -> muxer -> [trimmer] -> [debug info] ->
+ * [user filters] -> sinks
+ */
+ if (implicit_debug_info_args.exists) {
+ if (g_list_prepend_gstring(&filter_names,
+ implicit_debug_info_args.name_arg->str)) {
+ goto error;
+ }
+ }
+
+ if (implicit_trimmer_args.exists) {
+ if (g_list_prepend_gstring(&filter_names,
+ implicit_trimmer_args.name_arg->str)) {
+ goto error;
+ }
+ }
+
+ if (g_list_prepend_gstring(&filter_names,
+ implicit_muxer_args.name_arg->str)) {
+ goto error;
+ }
+
+ /*
+ * Append the equivalent run arguments for the implicit
+ * components.
+ */
+ ret = append_run_args_for_implicit_component(&implicit_ctf_input_args, run_args);
+ if (ret) {
+ goto error;
+ }
+
+ ret = append_run_args_for_implicit_component(&implicit_lttng_live_args,
+ run_args);
+ if (ret) {
+ goto error;
+ }
+
+ ret = append_run_args_for_implicit_component(&implicit_text_args,
+ run_args);
+ if (ret) {
+ goto error;
+ }
+
+ ret = append_run_args_for_implicit_component(&implicit_ctf_output_args,
+ run_args);
+ if (ret) {
+ goto error;
+ }
+
+ ret = append_run_args_for_implicit_component(&implicit_dummy_args,
+ run_args);
+ if (ret) {
+ goto error;
+ }
+
+ ret = append_run_args_for_implicit_component(&implicit_muxer_args,
+ run_args);
+ if (ret) {
+ goto error;
+ }
+
+ ret = append_run_args_for_implicit_component(&implicit_trimmer_args,
+ run_args);
+ if (ret) {
+ goto error;
+ }
+
+ ret = append_run_args_for_implicit_component(&implicit_debug_info_args,
+ run_args);
+ if (ret) {
+ goto error;
+ }
+
+ /* Auto-connect components */
+ ret = convert_auto_connect(run_args, source_names, filter_names,
+ sink_names);
+ if (ret) {
+ printf_err("Cannot auto-connect components\n");
+ goto error;
+ }
+
+ /*
+ * We have all the run command arguments now. Depending on
+ * --run-args, we pass this to the run command or print them
+ * here.
+ */
+ if (print_run_args || print_run_args_0) {
+ if (stream_intersection_mode) {
+ printf_err("Cannot specify --stream-intersection with --run-args or --run-args-0\n");
+ goto error;
+ }
+
+ for (i = 0; i < bt_value_array_get_size(run_args); i++) {
+ const bt_value *arg_value =
+ bt_value_array_borrow_element_by_index(run_args,
+ i);
+ const char *arg;
+ GString *quoted = NULL;
+ const char *arg_to_print;
+
+ BT_ASSERT(arg_value);
+ arg = bt_value_string_get(arg_value);
+
+ if (print_run_args) {
+ quoted = bt_common_shell_quote(arg, true);
+ if (!quoted) {
+ goto error;
+ }
+
+ arg_to_print = quoted->str;
+ } else {
+ arg_to_print = arg;
+ }
+
+ printf("%s", arg_to_print);
+
+ if (quoted) {
+ g_string_free(quoted, TRUE);
+ }
+
+ if (i < bt_value_array_get_size(run_args) - 1) {
+ if (print_run_args) {
+ putchar(' ');
+ } else {
+ putchar('\0');
+ }
+ }
+ }
+
+ *retcode = -1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+ goto end;
+ }
+
+ cfg = bt_config_run_from_args_array(run_args, retcode,
+ force_omit_system_plugin_path,
+ force_omit_home_plugin_path,
+ initial_plugin_paths);
+ if (!cfg) {
+ goto error;
+ }
+
+ cfg->cmd_data.run.stream_intersection_mode = stream_intersection_mode;
+ goto end;
+
+error:
+ *retcode = 1;
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+
+end:
+ if (pc) {
+ poptFreeContext(pc);
+ }
+
+ free(arg);
+ free(output);
+
+ if (cur_name) {
+ g_string_free(cur_name, TRUE);
+ }
+
+ if (cur_name_prefix) {
+ g_string_free(cur_name_prefix, TRUE);
+ }
+
+ bt_value_put_ref(run_args);
+ bt_value_put_ref(all_names);
+ destroy_glist_of_gstring(source_names);
+ destroy_glist_of_gstring(filter_names);
+ destroy_glist_of_gstring(sink_names);
+ bt_value_put_ref(leftovers);
+ finalize_implicit_component_args(&implicit_ctf_input_args);
+ finalize_implicit_component_args(&implicit_ctf_output_args);
+ finalize_implicit_component_args(&implicit_lttng_live_args);
+ finalize_implicit_component_args(&implicit_dummy_args);
+ finalize_implicit_component_args(&implicit_text_args);
+ finalize_implicit_component_args(&implicit_debug_info_args);
+ finalize_implicit_component_args(&implicit_muxer_args);
+ finalize_implicit_component_args(&implicit_trimmer_args);
+ bt_value_put_ref(plugin_paths);
+ bt_common_destroy_lttng_live_url_parts(<tng_live_url_parts);
+ return cfg;
+}
+
+/*
+ * Prints the Babeltrace 2.x general usage.
+ */
+static
+void print_gen_usage(FILE *fp)
+{
+ fprintf(fp, "Usage: babeltrace2 [GENERAL OPTIONS] [COMMAND] [COMMAND ARGUMENTS]\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "General options:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " -d, --debug Enable debug mode (same as --log-level=V)\n");
+ fprintf(fp, " -h, --help Show this help and quit\n");
+ fprintf(fp, " -l, --log-level=LVL Set all log levels to LVL (`N`, `V`, `D`,\n");
+ fprintf(fp, " `I`, `W` (default), `E`, or `F`)\n");
+ fprintf(fp, " -v, --verbose Enable verbose mode (same as --log-level=I)\n");
+ fprintf(fp, " -V, --version Show version and quit\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Available commands:\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " convert Convert and trim traces (default)\n");
+ fprintf(fp, " help Get help for a plugin or a component class\n");
+ fprintf(fp, " list-plugins List available plugins and their content\n");
+ fprintf(fp, " query Query objects from a component class\n");
+ fprintf(fp, " run Build a processing graph and run it\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "Use `babeltrace2 COMMAND --help` to show the help of COMMAND.\n");
+}
+
+static
+char log_level_from_arg(const char *arg)
+{
+ char level = 'U';
+
+ if (strcmp(arg, "VERBOSE") == 0 ||
+ strcmp(arg, "V") == 0) {
+ level = 'V';
+ } else if (strcmp(arg, "DEBUG") == 0 ||
+ strcmp(arg, "D") == 0) {
+ level = 'D';
+ } else if (strcmp(arg, "INFO") == 0 ||
+ strcmp(arg, "I") == 0) {
+ level = 'I';
+ } else if (strcmp(arg, "WARN") == 0 ||
+ strcmp(arg, "WARNING") == 0 ||
+ strcmp(arg, "W") == 0) {
+ level = 'W';
+ } else if (strcmp(arg, "ERROR") == 0 ||
+ strcmp(arg, "E") == 0) {
+ level = 'E';
+ } else if (strcmp(arg, "FATAL") == 0 ||
+ strcmp(arg, "F") == 0) {
+ level = 'F';
+ } else if (strcmp(arg, "NONE") == 0 ||
+ strcmp(arg, "N") == 0) {
+ level = 'N';
+ }
+
+ return level;
+}
+
+struct bt_config *bt_config_cli_args_create(int argc, const char *argv[],
+ int *retcode, bool force_omit_system_plugin_path,
+ bool force_omit_home_plugin_path,
+ const bt_value *initial_plugin_paths)
+{
+ struct bt_config *config = NULL;
+ int i;
+ const char **command_argv = NULL;
+ int command_argc = -1;
+ const char *command_name = NULL;
+ char log_level = 'U';
+
+ enum command_type {
+ COMMAND_TYPE_NONE = -1,
+ COMMAND_TYPE_RUN = 0,
+ COMMAND_TYPE_CONVERT,
+ COMMAND_TYPE_LIST_PLUGINS,
+ COMMAND_TYPE_HELP,
+ COMMAND_TYPE_QUERY,
+ } command_type = COMMAND_TYPE_NONE;
+
+ *retcode = -1;
+
+ if (!initial_plugin_paths) {
+ initial_plugin_paths = bt_value_array_create();
+ if (!initial_plugin_paths) {
+ *retcode = 1;
+ goto end;
+ }
+ } else {
+ bt_value_get_ref(initial_plugin_paths);
+ }
+
+ if (argc <= 1) {
+ print_version();
+ puts("");
+ print_gen_usage(stdout);
+ goto end;
+ }
+
+ for (i = 1; i < argc; i++) {
+ const char *cur_arg = argv[i];
+ const char *next_arg = i == (argc - 1) ? NULL : argv[i + 1];
+
+ if (strcmp(cur_arg, "-d") == 0 ||
+ strcmp(cur_arg, "--debug") == 0) {
+ log_level = 'V';
+ } else if (strcmp(cur_arg, "-v") == 0 ||
+ strcmp(cur_arg, "--verbose") == 0) {
+ if (log_level != 'V' && log_level != 'D') {
+ /*
+ * Legacy: do not override a previous
+ * --debug because --verbose and --debug
+ * can be specified together (in this
+ * case we want the lowest log level to
+ * apply, VERBOSE).
+ */
+ log_level = 'I';
+ }
+ } else if (strcmp(cur_arg, "--log-level") == 0 ||
+ strcmp(cur_arg, "-l") == 0) {
+ if (!next_arg) {
+ printf_err("Missing log level value for --log-level option\n");
+ *retcode = 1;
+ goto end;
+ }
+
+ log_level = log_level_from_arg(next_arg);
+ if (log_level == 'U') {
+ printf_err("Invalid argument for --log-level option:\n %s\n",
+ next_arg);
+ *retcode = 1;
+ goto end;
+ }
+
+ i++;
+ } else if (strncmp(cur_arg, "--log-level=", 12) == 0) {
+ const char *arg = &cur_arg[12];
+
+ log_level = log_level_from_arg(arg);
+ if (log_level == 'U') {
+ printf_err("Invalid argument for --log-level option:\n %s\n",
+ arg);
+ *retcode = 1;
+ goto end;
+ }
+ } else if (strncmp(cur_arg, "-l", 2) == 0) {
+ const char *arg = &cur_arg[2];
+
+ log_level = log_level_from_arg(arg);
+ if (log_level == 'U') {
+ printf_err("Invalid argument for --log-level option:\n %s\n",
+ arg);
+ *retcode = 1;
+ goto end;
+ }
+ } else if (strcmp(cur_arg, "-V") == 0 ||
+ strcmp(cur_arg, "--version") == 0) {
+ print_version();
+ goto end;
+ } else if (strcmp(cur_arg, "-h") == 0 ||
+ strcmp(cur_arg, "--help") == 0) {
+ print_gen_usage(stdout);
+ goto end;
+ } else {
+ /*
+ * First unknown argument: is it a known command
+ * name?
+ */
+ command_argv = &argv[i];
+ command_argc = argc - i;
+
+ if (strcmp(cur_arg, "convert") == 0) {
+ command_type = COMMAND_TYPE_CONVERT;
+ } else if (strcmp(cur_arg, "list-plugins") == 0) {
+ command_type = COMMAND_TYPE_LIST_PLUGINS;
+ } else if (strcmp(cur_arg, "help") == 0) {
+ command_type = COMMAND_TYPE_HELP;
+ } else if (strcmp(cur_arg, "query") == 0) {
+ command_type = COMMAND_TYPE_QUERY;
+ } else if (strcmp(cur_arg, "run") == 0) {
+ command_type = COMMAND_TYPE_RUN;
+ } else {
+ /*
+ * Unknown argument, but not a known
+ * command name: assume the default
+ * `convert` command.
+ */
+ command_type = COMMAND_TYPE_CONVERT;
+ command_name = "convert";
+ command_argv = &argv[i - 1];
+ command_argc = argc - i + 1;
+ }
+ break;
+ }
+ }
+
+ if (command_type == COMMAND_TYPE_NONE) {
+ /*
+ * We only got non-help, non-version general options
+ * like --verbose and --debug, without any other
+ * arguments, so we can't do anything useful: print the
+ * usage and quit.
+ */
+ print_gen_usage(stdout);
+ goto end;
+ }
+
+ BT_ASSERT(command_argv);
+ BT_ASSERT(command_argc >= 0);
+
+ switch (command_type) {
+ case COMMAND_TYPE_RUN:
+ config = bt_config_run_from_args(command_argc, command_argv,
+ retcode, force_omit_system_plugin_path,
+ force_omit_home_plugin_path, initial_plugin_paths);
+ break;
+ case COMMAND_TYPE_CONVERT:
+ config = bt_config_convert_from_args(command_argc, command_argv,
+ retcode, force_omit_system_plugin_path,
+ force_omit_home_plugin_path,
+ initial_plugin_paths, &log_level);
+ break;
+ case COMMAND_TYPE_LIST_PLUGINS:
+ config = bt_config_list_plugins_from_args(command_argc,
+ command_argv, retcode, force_omit_system_plugin_path,
+ force_omit_home_plugin_path, initial_plugin_paths);
+ break;
+ case COMMAND_TYPE_HELP:
+ config = bt_config_help_from_args(command_argc,
+ command_argv, retcode, force_omit_system_plugin_path,
+ force_omit_home_plugin_path, initial_plugin_paths);
+ break;
+ case COMMAND_TYPE_QUERY:
+ config = bt_config_query_from_args(command_argc,
+ command_argv, retcode, force_omit_system_plugin_path,
+ force_omit_home_plugin_path, initial_plugin_paths);
+ break;
+ default:
+ abort();
+ }
+
+ if (config) {
+ if (log_level == 'U') {
+ log_level = 'W';
+ }
+
+ config->log_level = log_level;
+ config->command_name = command_name;
+ }
+
+end:
+ bt_value_put_ref(initial_plugin_paths);
+ return config;
+}
--- /dev/null
+#ifndef CLI_BABELTRACE_CFG_CLI_ARGS_H
+#define CLI_BABELTRACE_CFG_CLI_ARGS_H
+
+/*
+ * Copyright 2016-2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <babeltrace/value.h>
+#include <babeltrace/object-internal.h>
+#include <babeltrace/compiler-internal.h>
+#include <babeltrace/graph/component-class.h>
+#include <glib.h>
+
+#include "babeltrace2-cfg.h"
+
+struct bt_config *bt_config_cli_args_create(int argc, const char *argv[],
+ int *retcode, bool force_omit_system_plugin_path,
+ bool force_omit_home_plugin_path,
+ const bt_value *initial_plugin_paths);
+
+#endif /* CLI_BABELTRACE_CFG_CLI_ARGS_H */
--- /dev/null
+/*
+ * Babeltrace trace converter - parameter parsing
+ *
+ * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/common-internal.h>
+#include <babeltrace/babeltrace.h>
+#include <glib.h>
+#include "babeltrace2-cfg.h"
+
+static
+void destroy_gstring(void *data)
+{
+ g_string_free(data, TRUE);
+}
+
+/*
+ * Extracts the various paths from the string arg, delimited by ':',
+ * and appends them to the array value object plugin_paths.
+ */
+int bt_config_append_plugin_paths(
+ bt_value *plugin_paths, const char *arg)
+{
+ int ret = 0;
+ GPtrArray *dirs = g_ptr_array_new_with_free_func(destroy_gstring);
+ size_t i;
+
+ if (!dirs) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_common_append_plugin_path_dirs(arg, dirs);
+ if (ret) {
+ ret = -1;
+ goto end;
+ }
+
+ for (i = 0; i < dirs->len; i++) {
+ GString *dir = g_ptr_array_index(dirs, i);
+
+ ret = bt_value_array_append_string_element(
+ plugin_paths, dir->str);
+ if (ret != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+ }
+
+end:
+ g_ptr_array_free(dirs, TRUE);
+ return ret;
+}
+
+void bt_config_connection_destroy(struct bt_config_connection *connection)
+{
+ if (!connection) {
+ return;
+ }
+
+ if (connection->upstream_comp_name) {
+ g_string_free(connection->upstream_comp_name, TRUE);
+ }
+
+ if (connection->downstream_comp_name) {
+ g_string_free(connection->downstream_comp_name, TRUE);
+ }
+
+ if (connection->upstream_port_glob) {
+ g_string_free(connection->upstream_port_glob, TRUE);
+ }
+
+ if (connection->downstream_port_glob) {
+ g_string_free(connection->downstream_port_glob, TRUE);
+ }
+
+ if (connection->arg) {
+ g_string_free(connection->arg, TRUE);
+ }
+
+ g_free(connection);
+}
--- /dev/null
+#ifndef CLI_BABELTRACE_CFG_H
+#define CLI_BABELTRACE_CFG_H
+
+/*
+ * Babeltrace trace converter - CLI tool's configuration
+ *
+ * Copyright 2016-2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <babeltrace/value.h>
+#include <babeltrace/object-internal.h>
+#include <babeltrace/compiler-internal.h>
+#include <babeltrace/graph/component-class.h>
+#include <glib.h>
+
+enum bt_config_command {
+ BT_CONFIG_COMMAND_RUN,
+ BT_CONFIG_COMMAND_PRINT_CTF_METADATA,
+ BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS,
+ BT_CONFIG_COMMAND_LIST_PLUGINS,
+ BT_CONFIG_COMMAND_HELP,
+ BT_CONFIG_COMMAND_QUERY,
+};
+
+struct bt_config_component {
+ bt_object base;
+ bt_component_class_type type;
+ GString *plugin_name;
+ GString *comp_cls_name;
+ bt_value *params;
+ GString *instance_name;
+};
+
+struct bt_config_connection {
+ GString *upstream_comp_name;
+ GString *downstream_comp_name;
+ GString *upstream_port_glob;
+ GString *downstream_port_glob;
+ GString *arg;
+};
+
+struct bt_config {
+ bt_object base;
+ bool debug;
+ bool verbose;
+ bt_value *plugin_paths;
+ bool omit_system_plugin_path;
+ bool omit_home_plugin_path;
+ bool command_needs_plugins;
+ const char *command_name;
+ char log_level;
+ enum bt_config_command command;
+ union {
+ /* BT_CONFIG_COMMAND_RUN */
+ struct {
+ /* Array of pointers to struct bt_config_component */
+ GPtrArray *sources;
+
+ /* Array of pointers to struct bt_config_component */
+ GPtrArray *filters;
+
+ /* Array of pointers to struct bt_config_component */
+ GPtrArray *sinks;
+
+ /* Array of pointers to struct bt_config_connection */
+ GPtrArray *connections;
+
+ /*
+ * Number of microseconds to sleep when we need
+ * to retry to run the graph.
+ */
+ uint64_t retry_duration_us;
+
+ /*
+ * Whether or not to trim the source trace to the
+ * intersection of its streams.
+ */
+ bool stream_intersection_mode;
+ } run;
+
+ /* BT_CONFIG_COMMAND_HELP */
+ struct {
+ struct bt_config_component *cfg_component;
+ } help;
+
+ /* BT_CONFIG_COMMAND_QUERY */
+ struct {
+ GString *object;
+ struct bt_config_component *cfg_component;
+ } query;
+
+ /* BT_CONFIG_COMMAND_PRINT_CTF_METADATA */
+ struct {
+ GString *path;
+ GString *output_path;
+ } print_ctf_metadata;
+
+ /* BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS */
+ struct {
+ GString *url;
+ GString *output_path;
+ } print_lttng_live_sessions;
+ } cmd_data;
+};
+
+static inline
+struct bt_config_component *bt_config_get_component(GPtrArray *array,
+ size_t index)
+{
+ struct bt_config_component *comp = g_ptr_array_index(array, index);
+
+ bt_object_get_ref(comp);
+ return comp;
+}
+
+int bt_config_append_plugin_paths(bt_value *plugin_paths,
+ const char *arg);
+
+void bt_config_connection_destroy(struct bt_config_connection *connection);
+
+#endif /* CLI_BABELTRACE_CFG_H */
--- /dev/null
+/*
+ * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+#include <babeltrace/assert-internal.h>
+#include <babeltrace/babeltrace.h>
+#include <popt.h>
+#include <glib.h>
+
+static
+void print_usage(FILE *fp)
+{
+ fprintf(stderr, "Usage: babeltrace2-log [OPTIONS] OUTPUT-PATH\n");
+ fprintf(stderr, "\n");
+ fprintf(stderr, "Options:\n");
+ fprintf(stderr, "\n");
+ fprintf(stderr, " -t, --with-timestamps Extract timestamps from lines and map them to\n");
+ fprintf(stderr, " a CTF clock class\n");
+}
+
+static
+int parse_params(int argc, char *argv[], char **output_path,
+ bool *no_extract_ts)
+{
+ enum {
+ OPT_WITH_TIMESTAMPS = 1,
+ OPT_HELP = 2,
+ };
+ static struct poptOption opts[] = {
+ { "with-timestamps", 't', POPT_ARG_NONE, NULL, OPT_WITH_TIMESTAMPS, NULL, NULL },
+ { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+ { NULL, '\0', 0, NULL, 0, NULL, NULL },
+ };
+ poptContext pc = NULL;
+ int opt;
+ int ret = 0;
+ const char *leftover;
+
+ *no_extract_ts = true;
+ pc = poptGetContext(NULL, argc, (const char **) argv, opts, 0);
+ if (!pc) {
+ fprintf(stderr, "Cannot get popt context\n");
+ goto error;
+ }
+
+ poptReadDefaultConfig(pc, 0);
+
+ while ((opt = poptGetNextOpt(pc)) > 0) {
+ switch (opt) {
+ case OPT_HELP:
+ print_usage(stdout);
+ goto end;
+ case OPT_WITH_TIMESTAMPS:
+ *no_extract_ts = false;
+ break;
+ default:
+ fprintf(stderr, "Unknown command-line option specified (option code %d)\n",
+ opt);
+ goto error;
+ }
+ }
+
+ if (opt < -1) {
+ fprintf(stderr, "While parsing command-line options, at option %s: %s\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ goto error;
+ }
+
+ leftover = poptGetArg(pc);
+ if (!leftover) {
+ fprintf(stderr, "Command line error: Missing output path\n");
+ print_usage(stderr);
+ goto error;
+ }
+
+ *output_path = strdup(leftover);
+ BT_ASSERT(*output_path);
+ goto end;
+
+error:
+ ret = 1;
+
+end:
+ if (pc) {
+ poptFreeContext(pc);
+ }
+
+ return ret;
+}
+
+int main(int argc, char *argv[])
+{
+ char *output_path = NULL;
+ bool no_extract_ts;
+ int retcode;
+ GError *error = NULL;
+ gchar *bt_argv[] = {
+ BT_CLI_PATH,
+ "run",
+ "--component",
+ "dmesg:src.text.dmesg",
+ "--params",
+ NULL, /* no-extract-timestamp=? placeholder */
+ "--component",
+ "ctf:sink.ctf.fs",
+ "--key",
+ "path",
+ "--value",
+ NULL, /* output path placeholder */
+ "--params",
+ "single-trace=yes",
+ "--connect",
+ "dmesg:ctf",
+ NULL, /* sentinel */
+ };
+
+ retcode = parse_params(argc, argv, &output_path, &no_extract_ts);
+ if (retcode) {
+ goto end;
+ }
+
+ if (no_extract_ts) {
+ bt_argv[5] = "no-extract-timestamp=yes";
+ } else {
+ bt_argv[5] = "no-extract-timestamp=no";
+ }
+
+ bt_argv[11] = output_path;
+ (void) g_spawn_sync(NULL, bt_argv, NULL,
+ G_SPAWN_CHILD_INHERITS_STDIN, NULL, NULL,
+ NULL, NULL, &retcode, &error);
+
+ if (error) {
+ fprintf(stderr, "Failed to execute \"%s\": %s (%d)\n",
+ bt_argv[0], error->message, error->code);
+ }
+
+end:
+ free(output_path);
+
+ if (error) {
+ g_error_free(error);
+ }
+
+ return retcode;
+}
--- /dev/null
+/*
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#define BT_LOG_TAG "CLI"
+#include "logging.h"
+
+#include <babeltrace/babeltrace.h>
+#include <babeltrace/common-internal.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <popt.h>
+#include <string.h>
+#include <stdio.h>
+#include <glib.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <signal.h>
+#include "babeltrace2-cfg.h"
+#include "babeltrace2-cfg-cli-args.h"
+#include "babeltrace2-cfg-cli-args-default.h"
+
+#define ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH "BABELTRACE_CLI_WARN_COMMAND_NAME_DIRECTORY_CLASH"
+#define ENV_BABELTRACE_CLI_LOG_LEVEL "BABELTRACE_CLI_LOG_LEVEL"
+#define NSEC_PER_SEC 1000000000LL
+
+/*
+ * Known environment variable names for the log levels of the project's
+ * modules.
+ */
+static const char* log_level_env_var_names[] = {
+ "BABELTRACE_COMMON_LOG_LEVEL",
+ "BABELTRACE_COMPAT_LOG_LEVEL",
+ "BABELTRACE_CTFSER_LOG_LEVEL",
+ "BABELTRACE_FD_CACHE_LOG_LEVEL",
+ "BABELTRACE_FLT_LTTNG_UTILS_DEBUG_INFO_LOG_LEVEL",
+ "BABELTRACE_FLT_UTILS_COUNTER_LOG_LEVEL",
+ "BABELTRACE_FLT_UTILS_MUXER_LOG_LEVEL",
+ "BABELTRACE_FLT_UTILS_TRIMMER_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_BFCR_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_MSG_ITER_LOG_LEVEL",
+ "BABELTRACE_PLUGIN_CTF_UTILS_LOG_LEVEL",
+ "BABELTRACE_PYTHON_BT2_LOG_LEVEL",
+ "BABELTRACE_SINK_CTF_FS_LOG_LEVEL",
+ "BABELTRACE_SINK_TEXT_PRETTY_LOG_LEVEL",
+ "BABELTRACE_SRC_CTF_FS_LOG_LEVEL",
+ "BABELTRACE_SRC_CTF_LTTNG_LIVE_LOG_LEVEL",
+ "BABELTRACE_SRC_TEXT_DMESG_LOG_LEVEL",
+ NULL,
+};
+
+/* Application's processing graph (weak) */
+static bt_graph *the_graph;
+static bt_query_executor *the_query_executor;
+static bool canceled = false;
+
+GPtrArray *loaded_plugins;
+
+#ifdef __MINGW32__
+
+#include <windows.h>
+
+static
+BOOL WINAPI signal_handler(DWORD signal) {
+ if (the_graph) {
+ bt_graph_cancel(the_graph);
+ }
+
+ canceled = true;
+
+ return TRUE;
+}
+
+static
+void set_signal_handler(void)
+{
+ if (!SetConsoleCtrlHandler(signal_handler, TRUE)) {
+ BT_LOGE("Failed to set the ctrl+c handler.");
+ }
+}
+
+#else /* __MINGW32__ */
+
+static
+void signal_handler(int signum)
+{
+ if (signum != SIGINT) {
+ return;
+ }
+
+ if (the_graph) {
+ bt_graph_cancel(the_graph);
+ }
+
+ if (the_query_executor) {
+ bt_query_executor_cancel(the_query_executor);
+ }
+
+ canceled = true;
+}
+
+static
+void set_signal_handler(void)
+{
+ struct sigaction new_action, old_action;
+
+ new_action.sa_handler = signal_handler;
+ sigemptyset(&new_action.sa_mask);
+ new_action.sa_flags = 0;
+ sigaction(SIGINT, NULL, &old_action);
+
+ if (old_action.sa_handler != SIG_IGN) {
+ sigaction(SIGINT, &new_action, NULL);
+ }
+}
+
+#endif /* __MINGW32__ */
+
+static
+void init_static_data(void)
+{
+ loaded_plugins = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) bt_object_put_ref);
+}
+
+static
+void fini_static_data(void)
+{
+ g_ptr_array_free(loaded_plugins, TRUE);
+}
+
+static
+int create_the_query_executor(void)
+{
+ int ret = 0;
+
+ the_query_executor = bt_query_executor_create();
+ if (!the_query_executor) {
+ BT_LOGE_STR("Cannot create a query executor.");
+ ret = -1;
+ }
+
+ return ret;
+}
+
+static
+void destroy_the_query_executor(void)
+{
+ BT_QUERY_EXECUTOR_PUT_REF_AND_RESET(the_query_executor);
+}
+
+static
+int query(const bt_component_class *comp_cls, const char *obj,
+ const bt_value *params, const bt_value **user_result,
+ const char **fail_reason)
+{
+ const bt_value *result = NULL;
+ bt_query_executor_status status;
+ *fail_reason = "unknown error";
+ int ret = 0;
+
+ BT_ASSERT(fail_reason);
+ BT_ASSERT(user_result);
+ ret = create_the_query_executor();
+ if (ret) {
+ /* create_the_query_executor() logs errors */
+ goto end;
+ }
+
+ if (canceled) {
+ BT_LOGI("Canceled by user before executing the query: "
+ "comp-cls-addr=%p, comp-cls-name=\"%s\", "
+ "query-obj=\"%s\"", comp_cls,
+ bt_component_class_get_name(comp_cls), obj);
+ *fail_reason = "canceled by user";
+ goto error;
+ }
+
+ while (true) {
+ status = bt_query_executor_query(the_query_executor,
+ comp_cls, obj, params, &result);
+ switch (status) {
+ case BT_QUERY_EXECUTOR_STATUS_OK:
+ goto ok;
+ case BT_QUERY_EXECUTOR_STATUS_AGAIN:
+ {
+ const uint64_t sleep_time_us = 100000;
+
+ /* Wait 100 ms and retry */
+ BT_LOGV("Got BT_QUERY_EXECUTOR_STATUS_AGAIN: sleeping: "
+ "time-us=%" PRIu64, sleep_time_us);
+
+ if (usleep(sleep_time_us)) {
+ if (bt_query_executor_is_canceled(the_query_executor)) {
+ BT_LOGI("Query was canceled by user: "
+ "comp-cls-addr=%p, comp-cls-name=\"%s\", "
+ "query-obj=\"%s\"", comp_cls,
+ bt_component_class_get_name(comp_cls),
+ obj);
+ *fail_reason = "canceled by user";
+ goto error;
+ }
+ }
+
+ continue;
+ }
+ case BT_QUERY_EXECUTOR_STATUS_CANCELED:
+ *fail_reason = "canceled by user";
+ goto error;
+ case BT_QUERY_EXECUTOR_STATUS_ERROR:
+ goto error;
+ case BT_QUERY_EXECUTOR_STATUS_INVALID_OBJECT:
+ *fail_reason = "invalid or unknown query object";
+ goto error;
+ case BT_QUERY_EXECUTOR_STATUS_INVALID_PARAMS:
+ *fail_reason = "invalid query parameters";
+ goto error;
+ case BT_QUERY_EXECUTOR_STATUS_UNSUPPORTED:
+ *fail_reason = "unsupported action";
+ goto error;
+ case BT_QUERY_EXECUTOR_STATUS_NOMEM:
+ *fail_reason = "not enough memory";
+ goto error;
+ default:
+ BT_LOGF("Unknown query status: status=%d", status);
+ abort();
+ }
+ }
+
+ok:
+ *user_result = result;
+ result = NULL;
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ destroy_the_query_executor();
+ bt_value_put_ref(result);
+ return ret;
+}
+
+static
+const bt_plugin *find_plugin(const char *name)
+{
+ int i;
+ const bt_plugin *plugin = NULL;
+
+ BT_ASSERT(name);
+ BT_LOGD("Finding plugin: name=\"%s\"", name);
+
+ for (i = 0; i < loaded_plugins->len; i++) {
+ plugin = g_ptr_array_index(loaded_plugins, i);
+
+ if (strcmp(name, bt_plugin_get_name(plugin)) == 0) {
+ break;
+ }
+
+ plugin = NULL;
+ }
+
+ if (BT_LOG_ON_DEBUG) {
+ if (plugin) {
+ BT_LOGD("Found plugin: plugin-addr=%p", plugin);
+ } else {
+ BT_LOGD("Cannot find plugin.");
+ }
+ }
+
+ bt_plugin_get_ref(plugin);
+ return plugin;
+}
+
+typedef const void *(*plugin_borrow_comp_cls_func_t)(
+ const bt_plugin *, const char *);
+
+static
+const void *find_component_class_from_plugin(const char *plugin_name,
+ const char *comp_class_name,
+ plugin_borrow_comp_cls_func_t plugin_borrow_comp_cls_func)
+{
+ const void *comp_class = NULL;
+ const bt_plugin *plugin;
+
+ BT_LOGD("Finding component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\"", plugin_name, comp_class_name);
+
+ plugin = find_plugin(plugin_name);
+ if (!plugin) {
+ goto end;
+ }
+
+ comp_class = plugin_borrow_comp_cls_func(plugin, comp_class_name);
+ bt_object_get_ref(comp_class);
+ BT_PLUGIN_PUT_REF_AND_RESET(plugin);
+
+end:
+ if (BT_LOG_ON_DEBUG) {
+ if (comp_class) {
+ BT_LOGD("Found component class: comp-cls-addr=%p",
+ comp_class);
+ } else {
+ BT_LOGD("Cannot find source component class.");
+ }
+ }
+
+ return comp_class;
+}
+
+static
+const bt_component_class_source *find_source_component_class(
+ const char *plugin_name, const char *comp_class_name)
+{
+ return (const void *) find_component_class_from_plugin(
+ plugin_name, comp_class_name,
+ (plugin_borrow_comp_cls_func_t)
+ bt_plugin_borrow_source_component_class_by_name_const);
+}
+
+static
+const bt_component_class_filter *find_filter_component_class(
+ const char *plugin_name, const char *comp_class_name)
+{
+ return (const void *) find_component_class_from_plugin(
+ plugin_name, comp_class_name,
+ (plugin_borrow_comp_cls_func_t)
+ bt_plugin_borrow_filter_component_class_by_name_const);
+}
+
+static
+const bt_component_class_sink *find_sink_component_class(
+ const char *plugin_name, const char *comp_class_name)
+{
+ return (const void *) find_component_class_from_plugin(plugin_name,
+ comp_class_name,
+ (plugin_borrow_comp_cls_func_t)
+ bt_plugin_borrow_sink_component_class_by_name_const);
+}
+
+static
+const bt_component_class *find_component_class(const char *plugin_name,
+ const char *comp_class_name,
+ bt_component_class_type comp_class_type)
+{
+ const bt_component_class *comp_cls = NULL;
+
+ switch (comp_class_type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ comp_cls = bt_component_class_source_as_component_class_const(find_source_component_class(plugin_name, comp_class_name));
+ break;
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ comp_cls = bt_component_class_filter_as_component_class_const(find_filter_component_class(plugin_name, comp_class_name));
+ break;
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ comp_cls = bt_component_class_sink_as_component_class_const(find_sink_component_class(plugin_name, comp_class_name));
+ break;
+ default:
+ abort();
+ }
+
+ return comp_cls;
+}
+
+static
+void print_indent(FILE *fp, size_t indent)
+{
+ size_t i;
+
+ for (i = 0; i < indent; i++) {
+ fprintf(fp, " ");
+ }
+}
+
+static
+const char *component_type_str(bt_component_class_type type)
+{
+ switch (type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ return "source";
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ return "sink";
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ return "filter";
+ default:
+ return "(unknown)";
+ }
+}
+
+static
+void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
+ const char *comp_cls_name, bt_component_class_type type)
+{
+ GString *shell_plugin_name = NULL;
+ GString *shell_comp_cls_name = NULL;
+
+ shell_plugin_name = bt_common_shell_quote(plugin_name, false);
+ if (!shell_plugin_name) {
+ goto end;
+ }
+
+ shell_comp_cls_name = bt_common_shell_quote(comp_cls_name, false);
+ if (!shell_comp_cls_name) {
+ goto end;
+ }
+
+ fprintf(fh, "'%s%s%s%s.%s%s%s.%s%s%s'",
+ bt_common_color_bold(),
+ bt_common_color_fg_cyan(),
+ component_type_str(type),
+ bt_common_color_fg_default(),
+ bt_common_color_fg_blue(),
+ shell_plugin_name->str,
+ bt_common_color_fg_default(),
+ bt_common_color_fg_yellow(),
+ shell_comp_cls_name->str,
+ bt_common_color_reset());
+
+end:
+ if (shell_plugin_name) {
+ g_string_free(shell_plugin_name, TRUE);
+ }
+
+ if (shell_comp_cls_name) {
+ g_string_free(shell_comp_cls_name, TRUE);
+ }
+}
+
+static
+void print_value(FILE *, const bt_value *, size_t);
+
+static
+void print_value_rec(FILE *, const bt_value *, size_t);
+
+struct print_map_value_data {
+ size_t indent;
+ FILE *fp;
+};
+
+static
+bt_bool print_map_value(const char *key, const bt_value *object,
+ void *data)
+{
+ struct print_map_value_data *print_map_value_data = data;
+
+ print_indent(print_map_value_data->fp, print_map_value_data->indent);
+ fprintf(print_map_value_data->fp, "%s: ", key);
+ BT_ASSERT(object);
+
+ if (bt_value_is_array(object) &&
+ bt_value_array_is_empty(object)) {
+ fprintf(print_map_value_data->fp, "[ ]\n");
+ return true;
+ }
+
+ if (bt_value_is_map(object) &&
+ bt_value_map_is_empty(object)) {
+ fprintf(print_map_value_data->fp, "{ }\n");
+ return true;
+ }
+
+ if (bt_value_is_array(object) ||
+ bt_value_is_map(object)) {
+ fprintf(print_map_value_data->fp, "\n");
+ }
+
+ print_value_rec(print_map_value_data->fp, object,
+ print_map_value_data->indent + 2);
+ return BT_TRUE;
+}
+
+static
+void print_value_rec(FILE *fp, const bt_value *value, size_t indent)
+{
+ bt_bool bool_val;
+ int64_t int_val;
+ uint64_t uint_val;
+ double dbl_val;
+ const char *str_val;
+ int size;
+ int i;
+
+ if (!value) {
+ return;
+ }
+
+ switch (bt_value_get_type(value)) {
+ case BT_VALUE_TYPE_NULL:
+ fprintf(fp, "%snull%s\n", bt_common_color_bold(),
+ bt_common_color_reset());
+ break;
+ case BT_VALUE_TYPE_BOOL:
+ bool_val = bt_value_bool_get(value);
+ fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
+ bt_common_color_fg_cyan(), bool_val ? "yes" : "no",
+ bt_common_color_reset());
+ break;
+ case BT_VALUE_TYPE_UNSIGNED_INTEGER:
+ uint_val = bt_value_unsigned_integer_get(value);
+ fprintf(fp, "%s%s%" PRIu64 "%s\n", bt_common_color_bold(),
+ bt_common_color_fg_red(), uint_val,
+ bt_common_color_reset());
+ break;
+ case BT_VALUE_TYPE_SIGNED_INTEGER:
+ int_val = bt_value_signed_integer_get(value);
+ fprintf(fp, "%s%s%" PRId64 "%s\n", bt_common_color_bold(),
+ bt_common_color_fg_red(), int_val,
+ bt_common_color_reset());
+ break;
+ case BT_VALUE_TYPE_REAL:
+ dbl_val = bt_value_real_get(value);
+ fprintf(fp, "%s%s%lf%s\n", bt_common_color_bold(),
+ bt_common_color_fg_red(), dbl_val,
+ bt_common_color_reset());
+ break;
+ case BT_VALUE_TYPE_STRING:
+ str_val = bt_value_string_get(value);
+ fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
+ bt_common_color_fg_green(), str_val,
+ bt_common_color_reset());
+ break;
+ case BT_VALUE_TYPE_ARRAY:
+ size = bt_value_array_get_size(value);
+ if (size < 0) {
+ goto error;
+ }
+
+ if (size == 0) {
+ print_indent(fp, indent);
+ fprintf(fp, "[ ]\n");
+ break;
+ }
+
+ for (i = 0; i < size; i++) {
+ const bt_value *element =
+ bt_value_array_borrow_element_by_index_const(
+ value, i);
+
+ if (!element) {
+ goto error;
+ }
+ print_indent(fp, indent);
+ fprintf(fp, "- ");
+
+ if (bt_value_is_array(element) &&
+ bt_value_array_is_empty(element)) {
+ fprintf(fp, "[ ]\n");
+ continue;
+ }
+
+ if (bt_value_is_map(element) &&
+ bt_value_map_is_empty(element)) {
+ fprintf(fp, "{ }\n");
+ continue;
+ }
+
+ if (bt_value_is_array(element) ||
+ bt_value_is_map(element)) {
+ fprintf(fp, "\n");
+ }
+
+ print_value_rec(fp, element, indent + 2);
+ }
+ break;
+ case BT_VALUE_TYPE_MAP:
+ {
+ struct print_map_value_data data = {
+ .indent = indent,
+ .fp = fp,
+ };
+
+ if (bt_value_map_is_empty(value)) {
+ print_indent(fp, indent);
+ fprintf(fp, "{ }\n");
+ break;
+ }
+
+ bt_value_map_foreach_entry_const(value, print_map_value, &data);
+ break;
+ }
+ default:
+ abort();
+ }
+ return;
+
+error:
+ BT_LOGE("Error printing value of type %s.",
+ bt_common_value_type_string(bt_value_get_type(value)));
+}
+
+static
+void print_value(FILE *fp, const bt_value *value, size_t indent)
+{
+ if (!bt_value_is_array(value) && !bt_value_is_map(value)) {
+ print_indent(fp, indent);
+ }
+
+ print_value_rec(fp, value, indent);
+}
+
+static
+void print_bt_config_component(struct bt_config_component *bt_config_component)
+{
+ fprintf(stderr, " ");
+ print_plugin_comp_cls_opt(stderr, bt_config_component->plugin_name->str,
+ bt_config_component->comp_cls_name->str,
+ bt_config_component->type);
+ fprintf(stderr, ":\n");
+
+ if (bt_config_component->instance_name->len > 0) {
+ fprintf(stderr, " Name: %s\n",
+ bt_config_component->instance_name->str);
+ }
+
+ fprintf(stderr, " Parameters:\n");
+ print_value(stderr, bt_config_component->params, 8);
+}
+
+static
+void print_bt_config_components(GPtrArray *array)
+{
+ size_t i;
+
+ for (i = 0; i < array->len; i++) {
+ struct bt_config_component *cfg_component =
+ bt_config_get_component(array, i);
+ print_bt_config_component(cfg_component);
+ BT_OBJECT_PUT_REF_AND_RESET(cfg_component);
+ }
+}
+
+static
+void print_plugin_paths(const bt_value *plugin_paths)
+{
+ fprintf(stderr, " Plugin paths:\n");
+ print_value(stderr, plugin_paths, 4);
+}
+
+static
+void print_cfg_run(struct bt_config *cfg)
+{
+ size_t i;
+
+ print_plugin_paths(cfg->plugin_paths);
+ fprintf(stderr, " Source component instances:\n");
+ print_bt_config_components(cfg->cmd_data.run.sources);
+
+ if (cfg->cmd_data.run.filters->len > 0) {
+ fprintf(stderr, " Filter component instances:\n");
+ print_bt_config_components(cfg->cmd_data.run.filters);
+ }
+
+ fprintf(stderr, " Sink component instances:\n");
+ print_bt_config_components(cfg->cmd_data.run.sinks);
+ fprintf(stderr, " Connections:\n");
+
+ for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
+ struct bt_config_connection *cfg_connection =
+ g_ptr_array_index(cfg->cmd_data.run.connections,
+ i);
+
+ fprintf(stderr, " %s%s%s -> %s%s%s\n",
+ cfg_connection->upstream_comp_name->str,
+ cfg_connection->upstream_port_glob->len > 0 ? "." : "",
+ cfg_connection->upstream_port_glob->str,
+ cfg_connection->downstream_comp_name->str,
+ cfg_connection->downstream_port_glob->len > 0 ? "." : "",
+ cfg_connection->downstream_port_glob->str);
+ }
+}
+
+static
+void print_cfg_list_plugins(struct bt_config *cfg)
+{
+ print_plugin_paths(cfg->plugin_paths);
+}
+
+static
+void print_cfg_help(struct bt_config *cfg)
+{
+ print_plugin_paths(cfg->plugin_paths);
+}
+
+static
+void print_cfg_print_ctf_metadata(struct bt_config *cfg)
+{
+ print_plugin_paths(cfg->plugin_paths);
+ fprintf(stderr, " Path: %s\n",
+ cfg->cmd_data.print_ctf_metadata.path->str);
+}
+
+static
+void print_cfg_print_lttng_live_sessions(struct bt_config *cfg)
+{
+ print_plugin_paths(cfg->plugin_paths);
+ fprintf(stderr, " URL: %s\n",
+ cfg->cmd_data.print_lttng_live_sessions.url->str);
+}
+
+static
+void print_cfg_query(struct bt_config *cfg)
+{
+ print_plugin_paths(cfg->plugin_paths);
+ fprintf(stderr, " Object: `%s`\n", cfg->cmd_data.query.object->str);
+ fprintf(stderr, " Component class:\n");
+ print_bt_config_component(cfg->cmd_data.query.cfg_component);
+}
+
+static
+void print_cfg(struct bt_config *cfg)
+{
+ if (!BT_LOG_ON_INFO) {
+ return;
+ }
+
+ BT_LOGI_STR("Configuration:");
+ fprintf(stderr, " Debug mode: %s\n", cfg->debug ? "yes" : "no");
+ fprintf(stderr, " Verbose mode: %s\n", cfg->verbose ? "yes" : "no");
+
+ switch (cfg->command) {
+ case BT_CONFIG_COMMAND_RUN:
+ print_cfg_run(cfg);
+ break;
+ case BT_CONFIG_COMMAND_LIST_PLUGINS:
+ print_cfg_list_plugins(cfg);
+ break;
+ case BT_CONFIG_COMMAND_HELP:
+ print_cfg_help(cfg);
+ break;
+ case BT_CONFIG_COMMAND_QUERY:
+ print_cfg_query(cfg);
+ break;
+ case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
+ print_cfg_print_ctf_metadata(cfg);
+ break;
+ case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
+ print_cfg_print_lttng_live_sessions(cfg);
+ break;
+ default:
+ abort();
+ }
+}
+
+static
+void add_to_loaded_plugins(const bt_plugin_set *plugin_set)
+{
+ int64_t i;
+ int64_t count;
+
+ count = bt_plugin_set_get_plugin_count(plugin_set);
+ BT_ASSERT(count >= 0);
+
+ for (i = 0; i < count; i++) {
+ const bt_plugin *plugin =
+ bt_plugin_set_borrow_plugin_by_index_const(plugin_set, i);
+ const bt_plugin *loaded_plugin =
+ find_plugin(bt_plugin_get_name(plugin));
+
+ BT_ASSERT(plugin);
+
+ if (loaded_plugin) {
+ BT_LOGI("Not using plugin: another one already exists with the same name: "
+ "plugin-name=\"%s\", plugin-path=\"%s\", "
+ "existing-plugin-path=\"%s\"",
+ bt_plugin_get_name(plugin),
+ bt_plugin_get_path(plugin),
+ bt_plugin_get_path(loaded_plugin));
+ bt_plugin_put_ref(loaded_plugin);
+ } else {
+ /* Add to global array. */
+ BT_LOGD("Adding plugin to loaded plugins: plugin-path=\"%s\"",
+ bt_plugin_get_name(plugin));
+ bt_plugin_get_ref(plugin);
+ g_ptr_array_add(loaded_plugins, (void *) plugin);
+ }
+ }
+}
+
+static
+int load_dynamic_plugins(const bt_value *plugin_paths)
+{
+ int nr_paths, i, ret = 0;
+
+ nr_paths = bt_value_array_get_size(plugin_paths);
+ if (nr_paths < 0) {
+ BT_LOGE_STR("Cannot load dynamic plugins: no plugin path.");
+ ret = -1;
+ goto end;
+ }
+
+ BT_LOGI("Loading dynamic plugins.");
+
+ for (i = 0; i < nr_paths; i++) {
+ const bt_value *plugin_path_value = NULL;
+ const char *plugin_path;
+ const bt_plugin_set *plugin_set;
+
+ plugin_path_value =
+ bt_value_array_borrow_element_by_index_const(
+ plugin_paths, i);
+ plugin_path = bt_value_string_get(plugin_path_value);
+
+ /*
+ * Skip this if the directory does not exist because
+ * bt_plugin_find_all_from_dir() expects an existing
+ * directory.
+ */
+ if (!g_file_test(plugin_path, G_FILE_TEST_IS_DIR)) {
+ BT_LOGV("Skipping nonexistent directory path: "
+ "path=\"%s\"", plugin_path);
+ continue;
+ }
+
+ plugin_set = bt_plugin_find_all_from_dir(plugin_path, false);
+ if (!plugin_set) {
+ BT_LOGD("Unable to load dynamic plugins: path=\"%s\"",
+ plugin_path);
+ continue;
+ }
+
+ add_to_loaded_plugins(plugin_set);
+ bt_plugin_set_put_ref(plugin_set);
+ }
+end:
+ return ret;
+}
+
+static
+int load_static_plugins(void)
+{
+ int ret = 0;
+ const bt_plugin_set *plugin_set;
+
+ BT_LOGI("Loading static plugins.");
+ plugin_set = bt_plugin_find_all_from_static();
+ if (!plugin_set) {
+ BT_LOGE("Unable to load static plugins.");
+ ret = -1;
+ goto end;
+ }
+
+ add_to_loaded_plugins(plugin_set);
+ bt_plugin_set_put_ref(plugin_set);
+end:
+ return ret;
+}
+
+static
+int load_all_plugins(const bt_value *plugin_paths)
+{
+ int ret = 0;
+
+ if (load_dynamic_plugins(plugin_paths)) {
+ ret = -1;
+ goto end;
+ }
+
+ if (load_static_plugins()) {
+ ret = -1;
+ goto end;
+ }
+
+ BT_LOGI("Loaded all plugins: count=%u", loaded_plugins->len);
+
+end:
+ return ret;
+}
+
+static
+void print_plugin_info(const bt_plugin *plugin)
+{
+ unsigned int major, minor, patch;
+ const char *extra;
+ bt_property_availability version_avail;
+ const char *plugin_name;
+ const char *path;
+ const char *author;
+ const char *license;
+ const char *plugin_description;
+
+ plugin_name = bt_plugin_get_name(plugin);
+ path = bt_plugin_get_path(plugin);
+ author = bt_plugin_get_author(plugin);
+ license = bt_plugin_get_license(plugin);
+ plugin_description = bt_plugin_get_description(plugin);
+ version_avail = bt_plugin_get_version(plugin, &major, &minor,
+ &patch, &extra);
+ printf("%s%s%s%s:\n", bt_common_color_bold(),
+ bt_common_color_fg_blue(), plugin_name,
+ bt_common_color_reset());
+ if (path) {
+ printf(" %sPath%s: %s\n", bt_common_color_bold(),
+ bt_common_color_reset(), path);
+ } else {
+ puts(" Built-in");
+ }
+
+ if (version_avail == BT_PROPERTY_AVAILABILITY_AVAILABLE) {
+ printf(" %sVersion%s: %u.%u.%u",
+ bt_common_color_bold(), bt_common_color_reset(),
+ major, minor, patch);
+
+ if (extra) {
+ printf("%s", extra);
+ }
+
+ printf("\n");
+ }
+
+ printf(" %sDescription%s: %s\n", bt_common_color_bold(),
+ bt_common_color_reset(),
+ plugin_description ? plugin_description : "(None)");
+ printf(" %sAuthor%s: %s\n", bt_common_color_bold(),
+ bt_common_color_reset(), author ? author : "(Unknown)");
+ printf(" %sLicense%s: %s\n", bt_common_color_bold(),
+ bt_common_color_reset(),
+ license ? license : "(Unknown)");
+}
+
+static
+int cmd_query(struct bt_config *cfg)
+{
+ int ret = 0;
+ const bt_component_class *comp_cls = NULL;
+ const bt_value *results = NULL;
+ const char *fail_reason = NULL;
+
+ comp_cls = find_component_class(
+ cfg->cmd_data.query.cfg_component->plugin_name->str,
+ cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.query.cfg_component->type);
+ if (!comp_cls) {
+ BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d",
+ cfg->cmd_data.query.cfg_component->plugin_name->str,
+ cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.query.cfg_component->type);
+ fprintf(stderr, "%s%sCannot find component class %s",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr,
+ cfg->cmd_data.query.cfg_component->plugin_name->str,
+ cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.query.cfg_component->type);
+ fprintf(stderr, "\n");
+ ret = -1;
+ goto end;
+ }
+
+ ret = query(comp_cls, cfg->cmd_data.query.object->str,
+ cfg->cmd_data.query.cfg_component->params,
+ &results, &fail_reason);
+ if (ret) {
+ goto failed;
+ }
+
+ print_value(stdout, results, 0);
+ goto end;
+
+failed:
+ BT_LOGE("Failed to query component class: %s: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d "
+ "object=\"%s\"", fail_reason,
+ cfg->cmd_data.query.cfg_component->plugin_name->str,
+ cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.query.cfg_component->type,
+ cfg->cmd_data.query.object->str);
+ fprintf(stderr, "%s%sFailed to query info to %s",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr,
+ cfg->cmd_data.query.cfg_component->plugin_name->str,
+ cfg->cmd_data.query.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.query.cfg_component->type);
+ fprintf(stderr, "%s%s with object `%s`: %s%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ cfg->cmd_data.query.object->str,
+ fail_reason,
+ bt_common_color_reset());
+ ret = -1;
+
+end:
+ bt_component_class_put_ref(comp_cls);
+ bt_value_put_ref(results);
+ return ret;
+}
+
+static
+void print_component_class_help(const char *plugin_name,
+ const bt_component_class *comp_cls)
+{
+ const char *comp_class_name =
+ bt_component_class_get_name(comp_cls);
+ const char *comp_class_description =
+ bt_component_class_get_description(comp_cls);
+ const char *comp_class_help =
+ bt_component_class_get_help(comp_cls);
+ bt_component_class_type type =
+ bt_component_class_get_type(comp_cls);
+
+ print_plugin_comp_cls_opt(stdout, plugin_name, comp_class_name, type);
+ printf("\n");
+ printf(" %sDescription%s: %s\n", bt_common_color_bold(),
+ bt_common_color_reset(),
+ comp_class_description ? comp_class_description : "(None)");
+
+ if (comp_class_help) {
+ printf("\n%s\n", comp_class_help);
+ }
+}
+
+static
+int cmd_help(struct bt_config *cfg)
+{
+ int ret = 0;
+ const bt_plugin *plugin = NULL;
+ const bt_component_class *needed_comp_cls = NULL;
+
+ plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
+ if (!plugin) {
+ BT_LOGE("Cannot find plugin: plugin-name=\"%s\"",
+ cfg->cmd_data.help.cfg_component->plugin_name->str);
+ fprintf(stderr, "%s%sCannot find plugin %s%s%s\n",
+ bt_common_color_bold(), bt_common_color_fg_red(),
+ bt_common_color_fg_blue(),
+ cfg->cmd_data.help.cfg_component->plugin_name->str,
+ bt_common_color_reset());
+ ret = -1;
+ goto end;
+ }
+
+ print_plugin_info(plugin);
+ printf(" %sSource component classes%s: %d\n",
+ bt_common_color_bold(),
+ bt_common_color_reset(),
+ (int) bt_plugin_get_source_component_class_count(plugin));
+ printf(" %sFilter component classes%s: %d\n",
+ bt_common_color_bold(),
+ bt_common_color_reset(),
+ (int) bt_plugin_get_filter_component_class_count(plugin));
+ printf(" %sSink component classes%s: %d\n",
+ bt_common_color_bold(),
+ bt_common_color_reset(),
+ (int) bt_plugin_get_sink_component_class_count(plugin));
+
+ if (strlen(cfg->cmd_data.help.cfg_component->comp_cls_name->str) == 0) {
+ /* Plugin help only */
+ goto end;
+ }
+
+ needed_comp_cls = find_component_class(
+ cfg->cmd_data.help.cfg_component->plugin_name->str,
+ cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.help.cfg_component->type);
+ if (!needed_comp_cls) {
+ BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d",
+ cfg->cmd_data.help.cfg_component->plugin_name->str,
+ cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.help.cfg_component->type);
+ fprintf(stderr, "\n%s%sCannot find component class %s",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr,
+ cfg->cmd_data.help.cfg_component->plugin_name->str,
+ cfg->cmd_data.help.cfg_component->comp_cls_name->str,
+ cfg->cmd_data.help.cfg_component->type);
+ fprintf(stderr, "\n");
+ ret = -1;
+ goto end;
+ }
+
+ printf("\n");
+ print_component_class_help(
+ cfg->cmd_data.help.cfg_component->plugin_name->str,
+ needed_comp_cls);
+
+end:
+ bt_component_class_put_ref(needed_comp_cls);
+ bt_plugin_put_ref(plugin);
+ return ret;
+}
+
+typedef void *(* plugin_borrow_comp_cls_by_index_func_t)(const bt_plugin *,
+ uint64_t);
+typedef const bt_component_class *(* spec_comp_cls_borrow_comp_cls_func_t)(
+ void *);
+
+void cmd_list_plugins_print_component_classes(const bt_plugin *plugin,
+ const char *cc_type_name, uint64_t count,
+ plugin_borrow_comp_cls_by_index_func_t borrow_comp_cls_by_index_func,
+ spec_comp_cls_borrow_comp_cls_func_t spec_comp_cls_borrow_comp_cls_func)
+{
+ uint64_t i;
+
+ if (count == 0) {
+ printf(" %s%s component classes%s: (none)\n",
+ bt_common_color_bold(),
+ cc_type_name,
+ bt_common_color_reset());
+ goto end;
+ } else {
+ printf(" %s%s component classes%s:\n",
+ bt_common_color_bold(),
+ cc_type_name,
+ bt_common_color_reset());
+ }
+
+ for (i = 0; i < count; i++) {
+ const bt_component_class *comp_class =
+ spec_comp_cls_borrow_comp_cls_func(
+ borrow_comp_cls_by_index_func(plugin, i));
+ const char *comp_class_name =
+ bt_component_class_get_name(comp_class);
+ const char *comp_class_description =
+ bt_component_class_get_description(comp_class);
+ bt_component_class_type type =
+ bt_component_class_get_type(comp_class);
+
+ printf(" ");
+ print_plugin_comp_cls_opt(stdout,
+ bt_plugin_get_name(plugin), comp_class_name,
+ type);
+
+ if (comp_class_description) {
+ printf(": %s", comp_class_description);
+ }
+
+ printf("\n");
+ }
+
+end:
+ return;
+}
+
+static
+int cmd_list_plugins(struct bt_config *cfg)
+{
+ int ret = 0;
+ int plugins_count, component_classes_count = 0, i;
+
+ printf("From the following plugin paths:\n\n");
+ print_value(stdout, cfg->plugin_paths, 2);
+ printf("\n");
+ plugins_count = loaded_plugins->len;
+ if (plugins_count == 0) {
+ printf("No plugins found.\n");
+ goto end;
+ }
+
+ for (i = 0; i < plugins_count; i++) {
+ const bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+
+ component_classes_count +=
+ bt_plugin_get_source_component_class_count(plugin) +
+ bt_plugin_get_filter_component_class_count(plugin) +
+ bt_plugin_get_sink_component_class_count(plugin);
+ }
+
+ printf("Found %s%d%s component classes in %s%d%s plugins.\n",
+ bt_common_color_bold(),
+ component_classes_count,
+ bt_common_color_reset(),
+ bt_common_color_bold(),
+ plugins_count,
+ bt_common_color_reset());
+
+ for (i = 0; i < plugins_count; i++) {
+ const bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+
+ printf("\n");
+ print_plugin_info(plugin);
+ cmd_list_plugins_print_component_classes(plugin, "Source",
+ bt_plugin_get_source_component_class_count(plugin),
+ (plugin_borrow_comp_cls_by_index_func_t)
+ bt_plugin_borrow_source_component_class_by_index_const,
+ (spec_comp_cls_borrow_comp_cls_func_t)
+ bt_component_class_source_as_component_class);
+ cmd_list_plugins_print_component_classes(plugin, "Filter",
+ bt_plugin_get_filter_component_class_count(plugin),
+ (plugin_borrow_comp_cls_by_index_func_t)
+ bt_plugin_borrow_filter_component_class_by_index_const,
+ (spec_comp_cls_borrow_comp_cls_func_t)
+ bt_component_class_filter_as_component_class);
+ cmd_list_plugins_print_component_classes(plugin, "Sink",
+ bt_plugin_get_sink_component_class_count(plugin),
+ (plugin_borrow_comp_cls_by_index_func_t)
+ bt_plugin_borrow_sink_component_class_by_index_const,
+ (spec_comp_cls_borrow_comp_cls_func_t)
+ bt_component_class_sink_as_component_class);
+ }
+
+end:
+ return ret;
+}
+
+static
+int cmd_print_lttng_live_sessions(struct bt_config *cfg)
+{
+ int ret = 0;
+ const bt_component_class *comp_cls = NULL;
+ const bt_value *results = NULL;
+ bt_value *params = NULL;
+ const bt_value *map = NULL;
+ const bt_value *v = NULL;
+ static const char * const plugin_name = "ctf";
+ static const char * const comp_cls_name = "lttng-live";
+ static const bt_component_class_type comp_cls_type =
+ BT_COMPONENT_CLASS_TYPE_SOURCE;
+ int64_t array_size, i;
+ const char *fail_reason = NULL;
+ FILE *out_stream = stdout;
+
+ BT_ASSERT(cfg->cmd_data.print_lttng_live_sessions.url);
+ comp_cls = find_component_class(plugin_name, comp_cls_name,
+ comp_cls_type);
+ if (!comp_cls) {
+ BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d",
+ plugin_name, comp_cls_name,
+ BT_COMPONENT_CLASS_TYPE_SOURCE);
+ fprintf(stderr, "%s%sCannot find component class %s",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr, plugin_name,
+ comp_cls_name, comp_cls_type);
+ fprintf(stderr, "\n");
+ goto error;
+ }
+
+ params = bt_value_map_create();
+ if (!params) {
+ goto error;
+ }
+
+ ret = bt_value_map_insert_string_entry(params, "url",
+ cfg->cmd_data.print_lttng_live_sessions.url->str);
+ if (ret) {
+ goto error;
+ }
+
+ ret = query(comp_cls, "sessions", params,
+ &results, &fail_reason);
+ if (ret) {
+ goto failed;
+ }
+
+ BT_ASSERT(results);
+
+ if (!bt_value_is_array(results)) {
+ BT_LOGE_STR("Expecting an array for sessions query.");
+ fprintf(stderr, "%s%sUnexpected type returned by session query%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ goto error;
+ }
+
+ if (cfg->cmd_data.print_lttng_live_sessions.output_path->len > 0) {
+ out_stream =
+ fopen(cfg->cmd_data.print_lttng_live_sessions.output_path->str,
+ "w");
+ if (!out_stream) {
+ ret = -1;
+ BT_LOGE_ERRNO("Cannot open file for writing",
+ ": path=\"%s\"",
+ cfg->cmd_data.print_lttng_live_sessions.output_path->str);
+ goto end;
+ }
+ }
+
+ array_size = bt_value_array_get_size(results);
+ for (i = 0; i < array_size; i++) {
+ const char *url_text;
+ int64_t timer_us, streams, clients;
+
+ map = bt_value_array_borrow_element_by_index_const(results, i);
+ if (!map) {
+ BT_LOGE_STR("Unexpected empty array entry.");
+ goto error;
+ }
+ if (!bt_value_is_map(map)) {
+ BT_LOGE_STR("Unexpected entry type.");
+ goto error;
+ }
+
+ v = bt_value_map_borrow_entry_value_const(map, "url");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"url\" entry.");
+ goto error;
+ }
+ url_text = bt_value_string_get(v);
+ fprintf(out_stream, "%s", url_text);
+ v = bt_value_map_borrow_entry_value_const(map, "timer-us");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"timer-us\" entry.");
+ goto error;
+ }
+ timer_us = bt_value_signed_integer_get(v);
+ fprintf(out_stream, " (timer = %" PRIu64 ", ", timer_us);
+ v = bt_value_map_borrow_entry_value_const(map, "stream-count");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"stream-count\" entry.");
+ goto error;
+ }
+ streams = bt_value_signed_integer_get(v);
+ fprintf(out_stream, "%" PRIu64 " stream(s), ", streams);
+ v = bt_value_map_borrow_entry_value_const(map, "client-count");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"client-count\" entry.");
+ goto error;
+ }
+ clients = bt_value_signed_integer_get(v);
+ fprintf(out_stream, "%" PRIu64 " client(s) connected)\n", clients);
+ }
+
+ goto end;
+
+failed:
+ BT_LOGE("Failed to query for sessions: %s", fail_reason);
+ fprintf(stderr, "%s%sFailed to request sessions: %s%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ fail_reason,
+ bt_common_color_reset());
+
+error:
+ ret = -1;
+
+end:
+ bt_value_put_ref(results);
+ bt_value_put_ref(params);
+ bt_component_class_put_ref(comp_cls);
+
+ if (out_stream && out_stream != stdout) {
+ int fclose_ret = fclose(out_stream);
+
+ if (fclose_ret) {
+ BT_LOGE_ERRNO("Cannot close file stream",
+ ": path=\"%s\"",
+ cfg->cmd_data.print_lttng_live_sessions.output_path->str);
+ }
+ }
+
+ return ret;
+}
+
+static
+int cmd_print_ctf_metadata(struct bt_config *cfg)
+{
+ int ret = 0;
+ const bt_component_class *comp_cls = NULL;
+ const bt_value *results = NULL;
+ bt_value *params = NULL;
+ const bt_value *metadata_text_value = NULL;
+ const char *metadata_text = NULL;
+ static const char * const plugin_name = "ctf";
+ static const char * const comp_cls_name = "fs";
+ static const bt_component_class_type comp_cls_type =
+ BT_COMPONENT_CLASS_TYPE_SOURCE;
+ const char *fail_reason = NULL;
+ FILE *out_stream = stdout;
+
+ BT_ASSERT(cfg->cmd_data.print_ctf_metadata.path);
+ comp_cls = find_component_class(plugin_name, comp_cls_name,
+ comp_cls_type);
+ if (!comp_cls) {
+ BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d",
+ plugin_name, comp_cls_name,
+ BT_COMPONENT_CLASS_TYPE_SOURCE);
+ fprintf(stderr, "%s%sCannot find component class %s",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr, plugin_name,
+ comp_cls_name, comp_cls_type);
+ fprintf(stderr, "\n");
+ ret = -1;
+ goto end;
+ }
+
+ params = bt_value_map_create();
+ if (!params) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_value_map_insert_string_entry(params, "path",
+ cfg->cmd_data.print_ctf_metadata.path->str);
+ if (ret) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = query(comp_cls, "metadata-info",
+ params, &results, &fail_reason);
+ if (ret) {
+ goto failed;
+ }
+
+ metadata_text_value = bt_value_map_borrow_entry_value_const(results,
+ "text");
+ if (!metadata_text_value) {
+ BT_LOGE_STR("Cannot find `text` string value in the resulting metadata info object.");
+ ret = -1;
+ goto end;
+ }
+
+ metadata_text = bt_value_string_get(metadata_text_value);
+
+ if (cfg->cmd_data.print_ctf_metadata.output_path->len > 0) {
+ out_stream =
+ fopen(cfg->cmd_data.print_ctf_metadata.output_path->str,
+ "w");
+ if (!out_stream) {
+ ret = -1;
+ BT_LOGE_ERRNO("Cannot open file for writing",
+ ": path=\"%s\"",
+ cfg->cmd_data.print_ctf_metadata.output_path->str);
+ goto end;
+ }
+ }
+
+ ret = fprintf(out_stream, "%s\n", metadata_text);
+ if (ret < 0) {
+ BT_LOGE("Cannot write whole metadata text to output stream: "
+ "ret=%d", ret);
+ goto end;
+ }
+
+ ret = 0;
+
+ goto end;
+
+failed:
+ ret = -1;
+ BT_LOGE("Failed to query for metadata info: %s", fail_reason);
+ fprintf(stderr, "%s%sFailed to request metadata info: %s%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ fail_reason,
+ bt_common_color_reset());
+
+end:
+ bt_value_put_ref(results);
+ bt_value_put_ref(params);
+ bt_component_class_put_ref(comp_cls);
+
+ if (out_stream && out_stream != stdout) {
+ int fclose_ret = fclose(out_stream);
+
+ if (fclose_ret) {
+ BT_LOGE_ERRNO("Cannot close file stream",
+ ": path=\"%s\"",
+ cfg->cmd_data.print_ctf_metadata.output_path->str);
+ }
+ }
+
+ return ret;
+}
+
+struct port_id {
+ char *instance_name;
+ char *port_name;
+};
+
+struct trace_range {
+ uint64_t intersection_range_begin_ns;
+ uint64_t intersection_range_end_ns;
+};
+
+static
+guint port_id_hash(gconstpointer v)
+{
+ const struct port_id *id = v;
+
+ BT_ASSERT(id->instance_name);
+ BT_ASSERT(id->port_name);
+
+ return g_str_hash(id->instance_name) ^ g_str_hash(id->port_name);
+}
+
+static
+gboolean port_id_equal(gconstpointer v1, gconstpointer v2)
+{
+ const struct port_id *id1 = v1;
+ const struct port_id *id2 = v2;
+
+ return !strcmp(id1->instance_name, id2->instance_name) &&
+ !strcmp(id1->port_name, id2->port_name);
+}
+
+static
+void port_id_destroy(gpointer data)
+{
+ struct port_id *id = data;
+
+ free(id->instance_name);
+ free(id->port_name);
+ free(id);
+}
+
+static
+void trace_range_destroy(gpointer data)
+{
+ free(data);
+}
+
+struct cmd_run_ctx {
+ /* Owned by this */
+ GHashTable *src_components;
+
+ /* Owned by this */
+ GHashTable *flt_components;
+
+ /* Owned by this */
+ GHashTable *sink_components;
+
+ /* Owned by this */
+ bt_graph *graph;
+
+ /* Weak */
+ struct bt_config *cfg;
+
+ bool connect_ports;
+
+ bool stream_intersection_mode;
+
+ /*
+ * Association of struct port_id -> struct trace_range.
+ */
+ GHashTable *intersections;
+};
+
+/* Returns a timestamp of the form "(-)s.ns" */
+static
+char *s_from_ns(int64_t ns)
+{
+ int ret;
+ char *s_ret = NULL;
+ bool is_negative;
+ int64_t ts_sec_abs, ts_nsec_abs;
+ int64_t ts_sec = ns / NSEC_PER_SEC;
+ int64_t ts_nsec = ns % NSEC_PER_SEC;
+
+ if (ts_sec >= 0 && ts_nsec >= 0) {
+ is_negative = false;
+ ts_sec_abs = ts_sec;
+ ts_nsec_abs = ts_nsec;
+ } else if (ts_sec > 0 && ts_nsec < 0) {
+ is_negative = false;
+ ts_sec_abs = ts_sec - 1;
+ ts_nsec_abs = NSEC_PER_SEC + ts_nsec;
+ } else if (ts_sec == 0 && ts_nsec < 0) {
+ is_negative = true;
+ ts_sec_abs = ts_sec;
+ ts_nsec_abs = -ts_nsec;
+ } else if (ts_sec < 0 && ts_nsec > 0) {
+ is_negative = true;
+ ts_sec_abs = -(ts_sec + 1);
+ ts_nsec_abs = NSEC_PER_SEC - ts_nsec;
+ } else if (ts_sec < 0 && ts_nsec == 0) {
+ is_negative = true;
+ ts_sec_abs = -ts_sec;
+ ts_nsec_abs = ts_nsec;
+ } else { /* (ts_sec < 0 && ts_nsec < 0) */
+ is_negative = true;
+ ts_sec_abs = -ts_sec;
+ ts_nsec_abs = -ts_nsec;
+ }
+
+ ret = asprintf(&s_ret, "%s%" PRId64 ".%09" PRId64,
+ is_negative ? "-" : "", ts_sec_abs, ts_nsec_abs);
+ if (ret < 0) {
+ s_ret = NULL;
+ }
+ return s_ret;
+}
+
+static
+int cmd_run_ctx_connect_upstream_port_to_downstream_component(
+ struct cmd_run_ctx *ctx,
+ const bt_component *upstream_comp,
+ const bt_port_output *out_upstream_port,
+ struct bt_config_connection *cfg_conn)
+{
+ typedef uint64_t (*input_port_count_func_t)(void *);
+ typedef const bt_port_input *(*borrow_input_port_by_index_func_t)(
+ const void *, uint64_t);
+ const bt_port *upstream_port =
+ bt_port_output_as_port_const(out_upstream_port);
+
+ int ret = 0;
+ GQuark downstreamp_comp_name_quark;
+ void *downstream_comp;
+ uint64_t downstream_port_count;
+ uint64_t i;
+ input_port_count_func_t port_count_fn;
+ borrow_input_port_by_index_func_t port_by_index_fn;
+ bt_graph_status status = BT_GRAPH_STATUS_ERROR;
+ bool insert_trimmer = false;
+ bt_value *trimmer_params = NULL;
+ char *intersection_begin = NULL;
+ char *intersection_end = NULL;
+ const bt_component_filter *trimmer = NULL;
+ const bt_component_class_filter *trimmer_class = NULL;
+ const bt_port_input *trimmer_input = NULL;
+ const bt_port_output *trimmer_output = NULL;
+
+ if (ctx->intersections &&
+ bt_component_get_class_type(upstream_comp) ==
+ BT_COMPONENT_CLASS_TYPE_SOURCE) {
+ struct trace_range *range;
+ struct port_id port_id = {
+ .instance_name = (char *) bt_component_get_name(upstream_comp),
+ .port_name = (char *) bt_port_get_name(upstream_port)
+ };
+
+ if (!port_id.instance_name || !port_id.port_name) {
+ goto error;
+ }
+
+ range = (struct trace_range *) g_hash_table_lookup(
+ ctx->intersections, &port_id);
+ if (range) {
+ bt_value_status status;
+
+ intersection_begin = s_from_ns(
+ range->intersection_range_begin_ns);
+ intersection_end = s_from_ns(
+ range->intersection_range_end_ns);
+ if (!intersection_begin || !intersection_end) {
+ BT_LOGE_STR("Cannot create trimmer argument timestamp string.");
+ goto error;
+ }
+
+ insert_trimmer = true;
+ trimmer_params = bt_value_map_create();
+ if (!trimmer_params) {
+ goto error;
+ }
+
+ status = bt_value_map_insert_string_entry(
+ trimmer_params, "begin", intersection_begin);
+ if (status != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+ status = bt_value_map_insert_string_entry(
+ trimmer_params,
+ "end", intersection_end);
+ if (status != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+ }
+
+ trimmer_class = find_filter_component_class("utils", "trimmer");
+ if (!trimmer_class) {
+ goto error;
+ }
+ }
+
+ BT_LOGI("Connecting upstream port to the next available downstream port: "
+ "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
+ upstream_port, bt_port_get_name(upstream_port),
+ cfg_conn->downstream_comp_name->str,
+ cfg_conn->arg->str);
+ downstreamp_comp_name_quark = g_quark_from_string(
+ cfg_conn->downstream_comp_name->str);
+ BT_ASSERT(downstreamp_comp_name_quark > 0);
+ downstream_comp = g_hash_table_lookup(ctx->flt_components,
+ GUINT_TO_POINTER(downstreamp_comp_name_quark));
+ port_count_fn = (input_port_count_func_t)
+ bt_component_filter_get_input_port_count;
+ port_by_index_fn = (borrow_input_port_by_index_func_t)
+ bt_component_filter_borrow_input_port_by_index_const;
+
+ if (!downstream_comp) {
+ downstream_comp = g_hash_table_lookup(ctx->sink_components,
+ GUINT_TO_POINTER(downstreamp_comp_name_quark));
+ port_count_fn = (input_port_count_func_t)
+ bt_component_sink_get_input_port_count;
+ port_by_index_fn = (borrow_input_port_by_index_func_t)
+ bt_component_sink_borrow_input_port_by_index_const;
+ }
+
+ if (!downstream_comp) {
+ BT_LOGE("Cannot find downstream component: comp-name=\"%s\", "
+ "conn-arg=\"%s\"", cfg_conn->downstream_comp_name->str,
+ cfg_conn->arg->str);
+ fprintf(stderr, "Cannot create connection: cannot find downstream component: %s\n",
+ cfg_conn->arg->str);
+ goto error;
+ }
+
+ downstream_port_count = port_count_fn(downstream_comp);
+
+ for (i = 0; i < downstream_port_count; i++) {
+ const bt_port_input *in_downstream_port =
+ port_by_index_fn(downstream_comp, i);
+ const bt_port *downstream_port =
+ bt_port_input_as_port_const(in_downstream_port);
+ const char *upstream_port_name;
+ const char *downstream_port_name;
+
+ BT_ASSERT(downstream_port);
+
+ /* Skip port if it's already connected. */
+ if (bt_port_is_connected(downstream_port)) {
+ BT_LOGD("Skipping downstream port: already connected: "
+ "port-addr=%p, port-name=\"%s\"",
+ downstream_port,
+ bt_port_get_name(downstream_port));
+ continue;
+ }
+
+ downstream_port_name = bt_port_get_name(downstream_port);
+ BT_ASSERT(downstream_port_name);
+ upstream_port_name = bt_port_get_name(upstream_port);
+ BT_ASSERT(upstream_port_name);
+
+ if (!bt_common_star_glob_match(
+ cfg_conn->downstream_port_glob->str, SIZE_MAX,
+ downstream_port_name, SIZE_MAX)) {
+ continue;
+ }
+
+ if (insert_trimmer) {
+ /*
+ * In order to insert the trimmer between the
+ * two components that were being connected, we
+ * create a connection configuration entry which
+ * describes a connection from the trimmer's
+ * output to the original input that was being
+ * connected.
+ *
+ * Hence, the creation of the trimmer will cause
+ * the graph "new port" listener to establish
+ * all downstream connections as its output port
+ * is connected. We will then establish the
+ * connection between the original upstream
+ * source and the trimmer.
+ */
+ char *trimmer_name = NULL;
+ bt_graph_status graph_status;
+
+ ret = asprintf(&trimmer_name,
+ "stream-intersection-trimmer-%s",
+ upstream_port_name);
+ if (ret < 0) {
+ goto error;
+ }
+ ret = 0;
+
+ ctx->connect_ports = false;
+ graph_status = bt_graph_add_filter_component(
+ ctx->graph, trimmer_class, trimmer_name,
+ trimmer_params, &trimmer);
+ free(trimmer_name);
+ if (graph_status != BT_GRAPH_STATUS_OK) {
+ goto error;
+ }
+ BT_ASSERT(trimmer);
+
+ trimmer_input =
+ bt_component_filter_borrow_input_port_by_index_const(
+ trimmer, 0);
+ if (!trimmer_input) {
+ goto error;
+ }
+ trimmer_output =
+ bt_component_filter_borrow_output_port_by_index_const(
+ trimmer, 0);
+ if (!trimmer_output) {
+ goto error;
+ }
+
+ /*
+ * Replace the current downstream port by the trimmer's
+ * upstream port.
+ */
+ in_downstream_port = trimmer_input;
+ downstream_port =
+ bt_port_input_as_port_const(in_downstream_port);
+ downstream_port_name = bt_port_get_name(
+ downstream_port);
+ BT_ASSERT(downstream_port_name);
+ }
+
+ /* We have a winner! */
+ status = bt_graph_connect_ports(ctx->graph,
+ out_upstream_port, in_downstream_port, NULL);
+ downstream_port = NULL;
+ switch (status) {
+ case BT_GRAPH_STATUS_OK:
+ break;
+ case BT_GRAPH_STATUS_CANCELED:
+ BT_LOGI_STR("Graph was canceled by user.");
+ status = BT_GRAPH_STATUS_OK;
+ break;
+ case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
+ BT_LOGE("A component refused a connection to one of its ports: "
+ "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
+ "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
+ "downstream-port-addr=%p, downstream-port-name=\"%s\", "
+ "conn-arg=\"%s\"",
+ upstream_comp, bt_component_get_name(upstream_comp),
+ upstream_port, bt_port_get_name(upstream_port),
+ downstream_comp, cfg_conn->downstream_comp_name->str,
+ downstream_port, downstream_port_name,
+ cfg_conn->arg->str);
+ fprintf(stderr,
+ "A component refused a connection to one of its ports (`%s` to `%s`): %s\n",
+ bt_port_get_name(upstream_port),
+ downstream_port_name,
+ cfg_conn->arg->str);
+ break;
+ default:
+ BT_LOGE("Cannot create connection: graph refuses to connect ports: "
+ "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
+ "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
+ "downstream-port-addr=%p, downstream-port-name=\"%s\", "
+ "conn-arg=\"%s\"",
+ upstream_comp, bt_component_get_name(upstream_comp),
+ upstream_port, bt_port_get_name(upstream_port),
+ downstream_comp, cfg_conn->downstream_comp_name->str,
+ downstream_port, downstream_port_name,
+ cfg_conn->arg->str);
+ fprintf(stderr,
+ "Cannot create connection: graph refuses to connect ports (`%s` to `%s`): %s\n",
+ bt_port_get_name(upstream_port),
+ downstream_port_name,
+ cfg_conn->arg->str);
+ goto error;
+ }
+
+ BT_LOGI("Connected component ports: "
+ "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
+ "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
+ "downstream-port-addr=%p, downstream-port-name=\"%s\", "
+ "conn-arg=\"%s\"",
+ upstream_comp, bt_component_get_name(upstream_comp),
+ upstream_port, bt_port_get_name(upstream_port),
+ downstream_comp, cfg_conn->downstream_comp_name->str,
+ downstream_port, downstream_port_name,
+ cfg_conn->arg->str);
+
+ if (insert_trimmer) {
+ /*
+ * The first connection, from the source to the trimmer,
+ * has been done. We now connect the trimmer to the
+ * original downstream port.
+ */
+ ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
+ ctx,
+ bt_component_filter_as_component_const(trimmer),
+ trimmer_output, cfg_conn);
+ if (ret) {
+ goto error;
+ }
+ ctx->connect_ports = true;
+ }
+
+ /*
+ * We found a matching downstream port: the search is
+ * over.
+ */
+ goto end;
+ }
+
+ /* No downstream port found */
+ BT_LOGE("Cannot create connection: cannot find a matching downstream port for upstream port: "
+ "upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
+ upstream_port, bt_port_get_name(upstream_port),
+ cfg_conn->downstream_comp_name->str,
+ cfg_conn->arg->str);
+ fprintf(stderr,
+ "Cannot create connection: cannot find a matching downstream port for upstream port `%s`: %s\n",
+ bt_port_get_name(upstream_port), cfg_conn->arg->str);
+
+error:
+ ret = -1;
+
+end:
+ free(intersection_begin);
+ free(intersection_end);
+ BT_VALUE_PUT_REF_AND_RESET(trimmer_params);
+ BT_COMPONENT_CLASS_FILTER_PUT_REF_AND_RESET(trimmer_class);
+ BT_COMPONENT_FILTER_PUT_REF_AND_RESET(trimmer);
+ return ret;
+}
+
+static
+int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx,
+ const bt_port_output *upstream_port)
+{
+ int ret = 0;
+ const char *upstream_port_name;
+ const char *upstream_comp_name;
+ const bt_component *upstream_comp = NULL;
+ size_t i;
+
+ BT_ASSERT(ctx);
+ BT_ASSERT(upstream_port);
+ upstream_port_name = bt_port_get_name(
+ bt_port_output_as_port_const(upstream_port));
+ BT_ASSERT(upstream_port_name);
+ upstream_comp = bt_port_borrow_component_const(
+ bt_port_output_as_port_const(upstream_port));
+ if (!upstream_comp) {
+ BT_LOGW("Upstream port to connect is not part of a component: "
+ "port-addr=%p, port-name=\"%s\"",
+ upstream_port, upstream_port_name);
+ ret = -1;
+ goto end;
+ }
+
+ upstream_comp_name = bt_component_get_name(upstream_comp);
+ BT_ASSERT(upstream_comp_name);
+ BT_LOGI("Connecting upstream port: comp-addr=%p, comp-name=\"%s\", "
+ "port-addr=%p, port-name=\"%s\"",
+ upstream_comp, upstream_comp_name,
+ upstream_port, upstream_port_name);
+
+ for (i = 0; i < ctx->cfg->cmd_data.run.connections->len; i++) {
+ struct bt_config_connection *cfg_conn =
+ g_ptr_array_index(
+ ctx->cfg->cmd_data.run.connections, i);
+
+ if (strcmp(cfg_conn->upstream_comp_name->str,
+ upstream_comp_name)) {
+ continue;
+ }
+
+ if (!bt_common_star_glob_match(
+ cfg_conn->upstream_port_glob->str,
+ SIZE_MAX, upstream_port_name, SIZE_MAX)) {
+ continue;
+ }
+
+ ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
+ ctx, upstream_comp, upstream_port, cfg_conn);
+ if (ret) {
+ BT_LOGE("Cannot connect upstream port: "
+ "port-addr=%p, port-name=\"%s\"",
+ upstream_port,
+ upstream_port_name);
+ fprintf(stderr,
+ "Cannot connect port `%s` of component `%s` to a downstream port: %s\n",
+ upstream_port_name,
+ upstream_comp_name,
+ cfg_conn->arg->str);
+ goto error;
+ }
+ goto end;
+ }
+
+ BT_LOGE("Cannot connect upstream port: port does not match any connection argument: "
+ "port-addr=%p, port-name=\"%s\"", upstream_port,
+ upstream_port_name);
+ fprintf(stderr,
+ "Cannot create connection: upstream port `%s` does not match any connection\n",
+ upstream_port_name);
+
+error:
+ ret = -1;
+
+end:
+ return ret;
+}
+
+static
+bt_graph_listener_status
+graph_output_port_added_listener(struct cmd_run_ctx *ctx,
+ const bt_port_output *out_port)
+{
+ const bt_component *comp;
+ const bt_port *port = bt_port_output_as_port_const(out_port);
+ bt_graph_listener_status ret = BT_GRAPH_LISTENER_STATUS_OK;
+
+ comp = bt_port_borrow_component_const(port);
+ BT_LOGI("Port added to a graph's component: comp-addr=%p, "
+ "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
+ comp, comp ? bt_component_get_name(comp) : "",
+ port, bt_port_get_name(port));
+
+ if (!ctx->connect_ports) {
+ goto end;
+ }
+
+ if (!comp) {
+ BT_LOGW_STR("Port has no component.");
+ goto end;
+ }
+
+ if (bt_port_is_connected(port)) {
+ BT_LOGW_STR("Port is already connected.");
+ goto end;
+ }
+
+ if (cmd_run_ctx_connect_upstream_port(ctx, out_port)) {
+ BT_LOGF_STR("Cannot connect upstream port.");
+ fprintf(stderr, "Added port could not be connected: aborting\n");
+ ret = BT_GRAPH_LISTENER_STATUS_ERROR;
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+static
+bt_graph_listener_status graph_source_output_port_added_listener(
+ const bt_component_source *component,
+ const bt_port_output *port, void *data)
+{
+ return graph_output_port_added_listener(data, port);
+}
+
+static
+bt_graph_listener_status graph_filter_output_port_added_listener(
+ const bt_component_filter *component,
+ const bt_port_output *port, void *data)
+{
+ return graph_output_port_added_listener(data, port);
+}
+
+static
+void cmd_run_ctx_destroy(struct cmd_run_ctx *ctx)
+{
+ if (!ctx) {
+ return;
+ }
+
+ if (ctx->src_components) {
+ g_hash_table_destroy(ctx->src_components);
+ ctx->src_components = NULL;
+ }
+
+ if (ctx->flt_components) {
+ g_hash_table_destroy(ctx->flt_components);
+ ctx->flt_components = NULL;
+ }
+
+ if (ctx->sink_components) {
+ g_hash_table_destroy(ctx->sink_components);
+ ctx->sink_components = NULL;
+ }
+
+ if (ctx->intersections) {
+ g_hash_table_destroy(ctx->intersections);
+ ctx->intersections = NULL;
+ }
+
+ BT_GRAPH_PUT_REF_AND_RESET(ctx->graph);
+ the_graph = NULL;
+ ctx->cfg = NULL;
+}
+
+static
+int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
+{
+ int ret = 0;
+ bt_graph_status status;
+
+ ctx->cfg = cfg;
+ ctx->connect_ports = false;
+ ctx->src_components = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
+ if (!ctx->src_components) {
+ goto error;
+ }
+
+ ctx->flt_components = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
+ if (!ctx->flt_components) {
+ goto error;
+ }
+
+ ctx->sink_components = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
+ if (!ctx->sink_components) {
+ goto error;
+ }
+
+ if (cfg->cmd_data.run.stream_intersection_mode) {
+ ctx->stream_intersection_mode = true;
+ ctx->intersections = g_hash_table_new_full(port_id_hash,
+ port_id_equal, port_id_destroy, trace_range_destroy);
+ if (!ctx->intersections) {
+ goto error;
+ }
+ }
+
+ ctx->graph = bt_graph_create();
+ if (!ctx->graph) {
+ goto error;
+ }
+
+ the_graph = ctx->graph;
+ status = bt_graph_add_source_component_output_port_added_listener(
+ ctx->graph, graph_source_output_port_added_listener, NULL, ctx,
+ NULL);
+ if (status != BT_GRAPH_STATUS_OK) {
+ BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
+ goto error;
+ }
+
+ status = bt_graph_add_filter_component_output_port_added_listener(
+ ctx->graph, graph_filter_output_port_added_listener, NULL, ctx,
+ NULL);
+ if (status != BT_GRAPH_STATUS_OK) {
+ BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
+ goto error;
+ }
+
+ goto end;
+
+error:
+ cmd_run_ctx_destroy(ctx);
+ ret = -1;
+
+end:
+ return ret;
+}
+
+static
+int set_stream_intersections(struct cmd_run_ctx *ctx,
+ struct bt_config_component *cfg_comp,
+ const bt_component_class_source *src_comp_cls)
+{
+ int ret = 0;
+ uint64_t trace_idx;
+ int64_t trace_count;
+ const char *path = NULL;
+ const bt_value *query_result = NULL;
+ const bt_value *trace_info = NULL;
+ const bt_value *intersection_range = NULL;
+ const bt_value *intersection_begin = NULL;
+ const bt_value *intersection_end = NULL;
+ const bt_value *stream_infos = NULL;
+ const bt_value *stream_info = NULL;
+ struct port_id *port_id = NULL;
+ struct trace_range *trace_range = NULL;
+ const char *fail_reason = NULL;
+ const bt_component_class *comp_cls =
+ bt_component_class_source_as_component_class_const(src_comp_cls);
+
+ ret = query(comp_cls, "trace-info",
+ cfg_comp->params, &query_result,
+ &fail_reason);
+ if (ret) {
+ BT_LOGD("Component class does not support the `trace-info` query: %s: "
+ "comp-class-name=\"%s\"", fail_reason,
+ bt_component_class_get_name(comp_cls));
+ ret = -1;
+ goto error;
+ }
+
+ BT_ASSERT(query_result);
+
+ if (!bt_value_is_array(query_result)) {
+ BT_LOGD("Unexpected format of \'trace-info\' query result: "
+ "component-class-name=%s",
+ bt_component_class_get_name(comp_cls));
+ ret = -1;
+ goto error;
+ }
+
+ trace_count = bt_value_array_get_size(query_result);
+ if (trace_count < 0) {
+ ret = -1;
+ goto error;
+ }
+
+ for (trace_idx = 0; trace_idx < trace_count; trace_idx++) {
+ int64_t begin, end;
+ uint64_t stream_idx;
+ int64_t stream_count;
+
+ trace_info = bt_value_array_borrow_element_by_index_const(
+ query_result, trace_idx);
+ if (!trace_info || !bt_value_is_map(trace_info)) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve trace from query result.");
+ goto error;
+ }
+
+ intersection_range = bt_value_map_borrow_entry_value_const(
+ trace_info, "intersection-range-ns");
+ if (!intersection_range) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve \'intersetion-range-ns\' field from query result.");
+ goto error;
+ }
+
+ intersection_begin = bt_value_map_borrow_entry_value_const(intersection_range,
+ "begin");
+ if (!intersection_begin) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve intersection-range-ns \'begin\' field from query result.");
+ goto error;
+ }
+
+ intersection_end = bt_value_map_borrow_entry_value_const(intersection_range,
+ "end");
+ if (!intersection_end) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve intersection-range-ns \'end\' field from query result.");
+ goto error;
+ }
+
+ begin = bt_value_signed_integer_get(intersection_begin);
+ end = bt_value_signed_integer_get(intersection_end);
+
+ if (begin < 0 || end < 0 || end < begin) {
+ BT_LOGW("Invalid trace stream intersection values: "
+ "intersection-range-ns:begin=%" PRId64
+ ", intersection-range-ns:end=%" PRId64,
+ begin, end);
+ ret = -1;
+ goto error;
+ }
+
+ stream_infos = bt_value_map_borrow_entry_value_const(trace_info,
+ "streams");
+ if (!stream_infos || !bt_value_is_array(stream_infos)) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve stream information from trace in query result.");
+ goto error;
+ }
+
+ stream_count = bt_value_array_get_size(stream_infos);
+ if (stream_count < 0) {
+ ret = -1;
+ goto error;
+ }
+
+ for (stream_idx = 0; stream_idx < stream_count; stream_idx++) {
+ const bt_value *port_name;
+
+ port_id = g_new0(struct port_id, 1);
+ if (!port_id) {
+ ret = -1;
+ BT_LOGE_STR("Cannot allocate memory for port_id structure.");
+ goto error;
+ }
+ port_id->instance_name = strdup(cfg_comp->instance_name->str);
+ if (!port_id->instance_name) {
+ ret = -1;
+ BT_LOGE_STR("Cannot allocate memory for port_id component instance name.");
+ goto error;
+ }
+
+ trace_range = g_new0(struct trace_range, 1);
+ if (!trace_range) {
+ ret = -1;
+ BT_LOGE_STR("Cannot allocate memory for trace_range structure.");
+ goto error;
+ }
+ trace_range->intersection_range_begin_ns = begin;
+ trace_range->intersection_range_end_ns = end;
+
+ stream_info = bt_value_array_borrow_element_by_index_const(
+ stream_infos, stream_idx);
+ if (!stream_info || !bt_value_is_map(stream_info)) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
+ goto error;
+ }
+
+ port_name = bt_value_map_borrow_entry_value_const(stream_info, "port-name");
+ if (!port_name || !bt_value_is_string(port_name)) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve port name in query result.");
+ goto error;
+ }
+
+ port_id->port_name = g_strdup(bt_value_string_get(port_name));
+ if (!port_id->port_name) {
+ ret = -1;
+ BT_LOGE_STR("Cannot allocate memory for port_id port_name.");
+ goto error;
+ }
+
+ BT_LOGD("Inserting stream intersection ");
+
+ g_hash_table_insert(ctx->intersections, port_id, trace_range);
+
+ port_id = NULL;
+ trace_range = NULL;
+ }
+ }
+
+ goto end;
+
+error:
+ fprintf(stderr, "%s%sCannot determine stream intersection of trace at path \'%s\'.%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_yellow(),
+ path ? path : "(unknown)",
+ bt_common_color_reset());
+end:
+ bt_value_put_ref(query_result);
+ g_free(port_id);
+ g_free(trace_range);
+ return ret;
+}
+
+static
+int cmd_run_ctx_create_components_from_config_components(
+ struct cmd_run_ctx *ctx, GPtrArray *cfg_components)
+{
+ size_t i;
+ const void *comp_cls = NULL;
+ const void *comp = NULL;
+ int ret = 0;
+
+ for (i = 0; i < cfg_components->len; i++) {
+ struct bt_config_component *cfg_comp =
+ g_ptr_array_index(cfg_components, i);
+ GQuark quark;
+
+ switch (cfg_comp->type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ comp_cls = find_source_component_class(
+ cfg_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ comp_cls = find_filter_component_class(
+ cfg_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ comp_cls = find_sink_component_class(
+ cfg_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str);
+ break;
+ default:
+ abort();
+ }
+
+ if (!comp_cls) {
+ BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d",
+ cfg_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str,
+ cfg_comp->type);
+ fprintf(stderr, "%s%sCannot find component class %s",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr,
+ cfg_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str,
+ cfg_comp->type);
+ fprintf(stderr, "\n");
+ goto error;
+ }
+
+ switch (cfg_comp->type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ ret = bt_graph_add_source_component(ctx->graph,
+ comp_cls, cfg_comp->instance_name->str,
+ cfg_comp->params,
+ (void *) &comp);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ ret = bt_graph_add_filter_component(ctx->graph,
+ comp_cls, cfg_comp->instance_name->str,
+ cfg_comp->params,
+ (void *) &comp);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ ret = bt_graph_add_sink_component(ctx->graph,
+ comp_cls, cfg_comp->instance_name->str,
+ cfg_comp->params,
+ (void *) &comp);
+ break;
+ default:
+ abort();
+ }
+
+ if (ret) {
+ BT_LOGE("Cannot create component: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d, "
+ "comp-name=\"%s\"",
+ cfg_comp->plugin_name->str,
+ cfg_comp->comp_cls_name->str,
+ cfg_comp->type, cfg_comp->instance_name->str);
+ fprintf(stderr, "%s%sCannot create component `%s`%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ cfg_comp->instance_name->str,
+ bt_common_color_reset());
+ goto error;
+ }
+
+ if (ctx->stream_intersection_mode &&
+ cfg_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) {
+ ret = set_stream_intersections(ctx, cfg_comp, comp_cls);
+ if (ret) {
+ goto error;
+ }
+ }
+
+ BT_LOGI("Created and inserted component: comp-addr=%p, comp-name=\"%s\"",
+ comp, cfg_comp->instance_name->str);
+ quark = g_quark_from_string(cfg_comp->instance_name->str);
+ BT_ASSERT(quark > 0);
+
+ switch (cfg_comp->type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ g_hash_table_insert(ctx->src_components,
+ GUINT_TO_POINTER(quark), (void *) comp);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ g_hash_table_insert(ctx->flt_components,
+ GUINT_TO_POINTER(quark), (void *) comp);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ g_hash_table_insert(ctx->sink_components,
+ GUINT_TO_POINTER(quark), (void *) comp);
+ break;
+ default:
+ abort();
+ }
+
+ comp = NULL;
+ BT_OBJECT_PUT_REF_AND_RESET(comp_cls);
+ }
+
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ bt_object_put_ref(comp);
+ bt_object_put_ref(comp_cls);
+ return ret;
+}
+
+static
+int cmd_run_ctx_create_components(struct cmd_run_ctx *ctx)
+{
+ int ret = 0;
+
+ /*
+ * Make sure that, during this phase, our graph's "port added"
+ * listener does not connect ports while we are creating the
+ * components because we have a special, initial phase for
+ * this.
+ */
+ ctx->connect_ports = false;
+
+ ret = cmd_run_ctx_create_components_from_config_components(
+ ctx, ctx->cfg->cmd_data.run.sources);
+ if (ret) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = cmd_run_ctx_create_components_from_config_components(
+ ctx, ctx->cfg->cmd_data.run.filters);
+ if (ret) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = cmd_run_ctx_create_components_from_config_components(
+ ctx, ctx->cfg->cmd_data.run.sinks);
+ if (ret) {
+ ret = -1;
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+typedef uint64_t (*output_port_count_func_t)(const void *);
+typedef const bt_port_output *(*borrow_output_port_by_index_func_t)(
+ const void *, uint64_t);
+
+static
+int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx *ctx,
+ void *comp, output_port_count_func_t port_count_fn,
+ borrow_output_port_by_index_func_t port_by_index_fn)
+{
+ int ret = 0;
+ uint64_t count;
+ uint64_t i;
+
+ count = port_count_fn(comp);
+
+ for (i = 0; i < count; i++) {
+ const bt_port_output *upstream_port = port_by_index_fn(comp, i);
+
+ BT_ASSERT(upstream_port);
+ ret = cmd_run_ctx_connect_upstream_port(ctx, upstream_port);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ return ret;
+}
+
+static
+int cmd_run_ctx_connect_ports(struct cmd_run_ctx *ctx)
+{
+ int ret = 0;
+ GHashTableIter iter;
+ gpointer g_name_quark, g_comp;
+
+ ctx->connect_ports = true;
+ g_hash_table_iter_init(&iter, ctx->src_components);
+
+ while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
+ ret = cmd_run_ctx_connect_comp_ports(ctx, g_comp,
+ (output_port_count_func_t)
+ bt_component_source_get_output_port_count,
+ (borrow_output_port_by_index_func_t)
+ bt_component_source_borrow_output_port_by_index_const);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ g_hash_table_iter_init(&iter, ctx->flt_components);
+
+ while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
+ ret = cmd_run_ctx_connect_comp_ports(ctx, g_comp,
+ (output_port_count_func_t)
+ bt_component_filter_get_output_port_count,
+ (borrow_output_port_by_index_func_t)
+ bt_component_filter_borrow_output_port_by_index_const);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ return ret;
+}
+
+static inline
+const char *bt_graph_status_str(bt_graph_status status)
+{
+ switch (status) {
+ case BT_GRAPH_STATUS_OK:
+ return "BT_GRAPH_STATUS_OK";
+ case BT_GRAPH_STATUS_END:
+ return "BT_GRAPH_STATUS_END";
+ case BT_GRAPH_STATUS_AGAIN:
+ return "BT_GRAPH_STATUS_AGAIN";
+ case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
+ return "BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION";
+ case BT_GRAPH_STATUS_CANCELED:
+ return "BT_GRAPH_STATUS_CANCELED";
+ case BT_GRAPH_STATUS_ERROR:
+ return "BT_GRAPH_STATUS_ERROR";
+ case BT_GRAPH_STATUS_NOMEM:
+ return "BT_GRAPH_STATUS_NOMEM";
+ default:
+ return "(unknown)";
+ }
+}
+
+static
+int cmd_run(struct bt_config *cfg)
+{
+ int ret = 0;
+ struct cmd_run_ctx ctx = { 0 };
+
+ /* Initialize the command's context and the graph object */
+ if (cmd_run_ctx_init(&ctx, cfg)) {
+ BT_LOGE_STR("Cannot initialize the command's context.");
+ fprintf(stderr, "Cannot initialize the command's context\n");
+ goto error;
+ }
+
+ if (canceled) {
+ BT_LOGI_STR("Canceled by user before creating components.");
+ goto error;
+ }
+
+ BT_LOGI_STR("Creating components.");
+
+ /* Create the requested component instances */
+ if (cmd_run_ctx_create_components(&ctx)) {
+ BT_LOGE_STR("Cannot create components.");
+ fprintf(stderr, "Cannot create components\n");
+ goto error;
+ }
+
+ if (canceled) {
+ BT_LOGI_STR("Canceled by user before connecting components.");
+ goto error;
+ }
+
+ BT_LOGI_STR("Connecting components.");
+
+ /* Connect the initially visible component ports */
+ if (cmd_run_ctx_connect_ports(&ctx)) {
+ BT_LOGE_STR("Cannot connect initial component ports.");
+ fprintf(stderr, "Cannot connect initial component ports\n");
+ goto error;
+ }
+
+ if (canceled) {
+ BT_LOGI_STR("Canceled by user before running the graph.");
+ goto error;
+ }
+
+ BT_LOGI_STR("Running the graph.");
+
+ /* Run the graph */
+ while (true) {
+ bt_graph_status graph_status = bt_graph_run(ctx.graph);
+
+ /*
+ * Reset console in case something messed with console
+ * codes during the graph's execution.
+ */
+ printf("%s", bt_common_color_reset());
+ fflush(stdout);
+ fprintf(stderr, "%s", bt_common_color_reset());
+ BT_LOGV("bt_graph_run() returned: status=%s",
+ bt_graph_status_str(graph_status));
+
+ switch (graph_status) {
+ case BT_GRAPH_STATUS_OK:
+ break;
+ case BT_GRAPH_STATUS_CANCELED:
+ BT_LOGI_STR("Graph was canceled by user.");
+ goto error;
+ case BT_GRAPH_STATUS_AGAIN:
+ if (bt_graph_is_canceled(ctx.graph)) {
+ BT_LOGI_STR("Graph was canceled by user.");
+ goto error;
+ }
+
+ if (cfg->cmd_data.run.retry_duration_us > 0) {
+ BT_LOGV("Got BT_GRAPH_STATUS_AGAIN: sleeping: "
+ "time-us=%" PRIu64,
+ cfg->cmd_data.run.retry_duration_us);
+
+ if (usleep(cfg->cmd_data.run.retry_duration_us)) {
+ if (bt_graph_is_canceled(ctx.graph)) {
+ BT_LOGI_STR("Graph was canceled by user.");
+ goto error;
+ }
+ }
+ }
+ break;
+ case BT_GRAPH_STATUS_END:
+ goto end;
+ default:
+ BT_LOGE_STR("Graph failed to complete successfully");
+ fprintf(stderr, "Graph failed to complete successfully\n");
+ goto error;
+ }
+ }
+
+ goto end;
+
+error:
+ if (ret == 0) {
+ ret = -1;
+ }
+
+end:
+ cmd_run_ctx_destroy(&ctx);
+ return ret;
+}
+
+static
+void warn_command_name_and_directory_clash(struct bt_config *cfg)
+{
+ const char *env_clash;
+
+ if (!cfg->command_name) {
+ return;
+ }
+
+ env_clash = getenv(ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH);
+ if (env_clash && strcmp(env_clash, "0") == 0) {
+ return;
+ }
+
+ if (g_file_test(cfg->command_name,
+ G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
+ fprintf(stderr, "\nNOTE: The `%s` command was executed. If you meant to convert a\n",
+ cfg->command_name);
+ fprintf(stderr, "trace located in the local `%s` directory, please use:\n",
+ cfg->command_name);
+ fprintf(stderr, "\n");
+ fprintf(stderr, " babeltrace2 convert %s [OPTIONS]\n",
+ cfg->command_name);
+ }
+}
+
+static
+void init_log_level(void)
+{
+ bt_cli_log_level = bt_log_get_level_from_env(ENV_BABELTRACE_CLI_LOG_LEVEL);
+}
+
+static
+void set_auto_log_levels(struct bt_config *cfg)
+{
+ const char **env_var_name;
+
+ /*
+ * Override the configuration's default log level if
+ * BABELTRACE_VERBOSE or BABELTRACE_DEBUG environment variables
+ * are found for backward compatibility with legacy Babetrace 1.
+ */
+ if (getenv("BABELTRACE_DEBUG") &&
+ strcmp(getenv("BABELTRACE_DEBUG"), "1") == 0) {
+ cfg->log_level = 'V';
+ } else if (getenv("BABELTRACE_VERBOSE") &&
+ strcmp(getenv("BABELTRACE_VERBOSE"), "1") == 0) {
+ cfg->log_level = 'I';
+ }
+
+ /*
+ * Set log levels according to --debug or --verbose. For
+ * backward compatibility, --debug is more verbose than
+ * --verbose. So:
+ *
+ * --verbose: INFO log level
+ * --debug: VERBOSE log level (includes DEBUG, which is
+ * is less verbose than VERBOSE in the internal
+ * logging framework)
+ */
+ if (!getenv("BABELTRACE_LOGGING_GLOBAL_LEVEL")) {
+ if (cfg->verbose) {
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
+ } else if (cfg->debug) {
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
+ } else {
+ /*
+ * Set library's default log level if not
+ * explicitly specified.
+ */
+ switch (cfg->log_level) {
+ case 'N':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_NONE);
+ break;
+ case 'V':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
+ break;
+ case 'D':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_DEBUG);
+ break;
+ case 'I':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
+ break;
+ case 'W':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_WARN);
+ break;
+ case 'E':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_ERROR);
+ break;
+ case 'F':
+ bt_logging_set_global_level(BT_LOGGING_LEVEL_FATAL);
+ break;
+ default:
+ abort();
+ }
+ }
+ }
+
+ if (!getenv(ENV_BABELTRACE_CLI_LOG_LEVEL)) {
+ if (cfg->verbose) {
+ bt_cli_log_level = BT_LOG_INFO;
+ } else if (cfg->debug) {
+ bt_cli_log_level = BT_LOG_VERBOSE;
+ } else {
+ /*
+ * Set CLI's default log level if not explicitly
+ * specified.
+ */
+ switch (cfg->log_level) {
+ case 'N':
+ bt_cli_log_level = BT_LOG_NONE;
+ break;
+ case 'V':
+ bt_cli_log_level = BT_LOG_VERBOSE;
+ break;
+ case 'D':
+ bt_cli_log_level = BT_LOG_DEBUG;
+ break;
+ case 'I':
+ bt_cli_log_level = BT_LOG_INFO;
+ break;
+ case 'W':
+ bt_cli_log_level = BT_LOG_WARN;
+ break;
+ case 'E':
+ bt_cli_log_level = BT_LOG_ERROR;
+ break;
+ case 'F':
+ bt_cli_log_level = BT_LOG_FATAL;
+ break;
+ default:
+ abort();
+ }
+ }
+ }
+
+ env_var_name = log_level_env_var_names;
+
+ while (*env_var_name) {
+ if (!getenv(*env_var_name)) {
+ if (cfg->verbose) {
+ g_setenv(*env_var_name, "I", 1);
+ } else if (cfg->debug) {
+ g_setenv(*env_var_name, "V", 1);
+ } else {
+ char val[2] = { 0 };
+
+ /*
+ * Set module's default log level if not
+ * explicitly specified.
+ */
+ val[0] = cfg->log_level;
+ g_setenv(*env_var_name, val, 1);
+ }
+ }
+
+ env_var_name++;
+ }
+}
+
+int main(int argc, const char **argv)
+{
+ int ret;
+ int retcode;
+ struct bt_config *cfg;
+
+ init_log_level();
+ set_signal_handler();
+ init_static_data();
+ cfg = bt_config_cli_args_create_with_default(argc, argv, &retcode);
+
+ if (retcode < 0) {
+ /* Quit without errors; typically usage/version */
+ retcode = 0;
+ BT_LOGI_STR("Quitting without errors.");
+ goto end;
+ }
+
+ if (retcode > 0) {
+ BT_LOGE("Command-line error: retcode=%d", retcode);
+ goto end;
+ }
+
+ if (!cfg) {
+ BT_LOGE_STR("Failed to create a valid Babeltrace configuration.");
+ fprintf(stderr, "Failed to create Babeltrace configuration\n");
+ retcode = 1;
+ goto end;
+ }
+
+ set_auto_log_levels(cfg);
+ print_cfg(cfg);
+
+ if (cfg->command_needs_plugins) {
+ ret = load_all_plugins(cfg->plugin_paths);
+ if (ret) {
+ BT_LOGE("Failed to load plugins: ret=%d", ret);
+ retcode = 1;
+ goto end;
+ }
+ }
+
+ BT_LOGI("Executing command: cmd=%d, command-name=\"%s\"",
+ cfg->command, cfg->command_name);
+
+ switch (cfg->command) {
+ case BT_CONFIG_COMMAND_RUN:
+ ret = cmd_run(cfg);
+ break;
+ case BT_CONFIG_COMMAND_LIST_PLUGINS:
+ ret = cmd_list_plugins(cfg);
+ break;
+ case BT_CONFIG_COMMAND_HELP:
+ ret = cmd_help(cfg);
+ break;
+ case BT_CONFIG_COMMAND_QUERY:
+ ret = cmd_query(cfg);
+ break;
+ case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
+ ret = cmd_print_ctf_metadata(cfg);
+ break;
+ case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
+ ret = cmd_print_lttng_live_sessions(cfg);
+ break;
+ default:
+ BT_LOGF("Invalid/unknown command: cmd=%d", cfg->command);
+ abort();
+ }
+
+ BT_LOGI("Command completed: cmd=%d, command-name=\"%s\", ret=%d",
+ cfg->command, cfg->command_name, ret);
+ warn_command_name_and_directory_clash(cfg);
+ retcode = ret ? 1 : 0;
+
+end:
+ BT_OBJECT_PUT_REF_AND_RESET(cfg);
+ fini_static_data();
+ return retcode;
+}
# Built-in plugins
# Disabled by default
AC_ARG_ENABLE([built-in-plugins],
- [AC_HELP_STRING([--enable-built-in-plugins], [Statically-link in-tree plug-ins into the babeltrace binary])],
+ [AC_HELP_STRING([--enable-built-in-plugins], [Statically-link in-tree plug-ins into the babeltrace2 executable])],
[], dnl AC_ARG_ENABLE will fill enable_built_in_plugins with the user choice
[enable_built_in_plugins=no]
)
AS_IF([test "x$enable_built_in_plugins" = xyes],
[
# Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
- AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace executable)])
- AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace executable)])
+ AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle plug-ins in the babeltrace2 executable)])
+ AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle plug-ins in the babeltrace2 executable)])
]
)
AS_IF([test "x$enable_built_in_python_plugin_support" = xyes],
[
- AS_IF([test "x$enable_python_plugins" = xno], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace executable])])
+ AS_IF([test "x$enable_python_plugins" = xno], [AC_MSG_ERROR([--enable-python-plugins must be used to bundle Python plugin support in the babeltrace2 executable])])
# Built-in plug-ins are only available when the --disable-shared --enable-static options are used.
- AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace executable)])
- AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace executable)])
+ AS_IF([test "x$enable_static" != xyes], [AC_MSG_ERROR(--enable-static must be used to bundle Python plugin support in the babeltrace2 executable)])
+ AS_IF([test "x$enable_shared" = xyes], [AC_MSG_ERROR(--disable-shared must be used to bundle Python plugin support in the babeltrace2 executable)])
]
)
CFLAGS=${save_CFLAGS}
# Abuse autoconf's AC_ARG_PROGRAM output variable 'program_transform_name'
-# to rename babeltrace.bin to babeltrace at install time.
-program_transform_name="s&babeltrace\.bin&babeltrace&;s&babeltrace-log\.bin&babeltrace-log&;$program_transform_name"
+# to rename babeltrace2.bin to babeltrace2 at install time.
+program_transform_name="s&babeltrace2\.bin&babeltrace2&;s&babeltrace2-log\.bin&babeltrace2-log&;$program_transform_name"
AC_SUBST(program_transform_name)
AC_CONFIG_FILES([
for path in "${SUCCESS_TRACES[@]}"; do
trace=$(basename "${path}")
"${BT_BIN}" "${path}" > /dev/null 2>&1
- ok $? "Run babeltrace with trace ${trace}"
+ ok $? "Run babeltrace2 with trace ${trace}"
done
for path in "${FAIL_TRACES[@]}"; do
trace=$(basename "${path}")
"${BT_BIN}" "${path}" > /dev/null 2>&1
if [ $? -eq 0 ]; then
- fail "Run babeltrace with invalid trace ${trace}"
+ fail "Run babeltrace2 with invalid trace ${trace}"
else
- pass "Run babeltrace with invalid trace ${trace}"
+ pass "Run babeltrace2 with invalid trace ${trace}"
fi
done
BT_SRC_PATH="@abs_top_srcdir@"
BT_BUILD_PATH="@abs_top_builddir@"
-BT_BIN="${BT_BUILD_PATH}/cli/babeltrace@EXEEXT@"
+BT_BIN="${BT_BUILD_PATH}/cli/babeltrace2@EXEEXT@"
BT_CTF_TRACES="${BT_SRC_PATH}/tests/ctf-traces"
if [ "x${NO_SH_TAP}" = x ]; then