+++ /dev/null
-/*
- * babeltrace.c
- *
- * Babeltrace Trace Converter
- *
- * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
- *
- * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <babeltrace/babeltrace.h>
-#include <babeltrace/plugin/plugin.h>
-#include <babeltrace/common-internal.h>
-#include <babeltrace/graph/component.h>
-#include <babeltrace/graph/component-source.h>
-#include <babeltrace/graph/component-sink.h>
-#include <babeltrace/graph/component-filter.h>
-#include <babeltrace/graph/component-class.h>
-#include <babeltrace/graph/port.h>
-#include <babeltrace/graph/graph.h>
-#include <babeltrace/graph/connection.h>
-#include <babeltrace/graph/notification-iterator.h>
-#include <babeltrace/ref.h>
-#include <babeltrace/values.h>
-#include <stdlib.h>
-#include <popt.h>
-#include <string.h>
-#include <stdio.h>
-#include <glib.h>
-#include <inttypes.h>
-#include "babeltrace-cfg.h"
-#include "babeltrace-cfg-connect.h"
-#include "default-cfg.h"
-
-GPtrArray *loaded_plugins;
-
-static
-void init_loaded_plugins_array(void)
-{
- loaded_plugins = g_ptr_array_new_full(8, bt_put);
-}
-
-static
-void fini_loaded_plugins_array(void)
-{
- g_ptr_array_free(loaded_plugins, TRUE);
-}
-
-static
-struct bt_plugin *find_plugin(const char *name)
-{
- int i;
- struct bt_plugin *plugin = NULL;
-
- for (i = 0; i < loaded_plugins->len; i++) {
- plugin = g_ptr_array_index(loaded_plugins, i);
-
- if (strcmp(name, bt_plugin_get_name(plugin)) == 0) {
- break;
- }
-
- plugin = NULL;
- }
-
- return bt_get(plugin);
-}
-
-static
-struct bt_component_class *find_component_class(const char *plugin_name,
- const char *comp_class_name,
- enum bt_component_class_type comp_class_type)
-{
- struct bt_component_class *comp_class = NULL;
- struct bt_plugin *plugin = find_plugin(plugin_name);
-
- if (!plugin) {
- goto end;
- }
-
- comp_class = bt_plugin_get_component_class_by_name_and_type(plugin,
- comp_class_name, comp_class_type);
- BT_PUT(plugin);
-end:
- return comp_class;
-}
-
-static
-void print_indent(size_t indent)
-{
- size_t i;
-
- for (i = 0; i < indent; i++) {
- printf(" ");
- }
-}
-
-static char *escape_name_for_shell(const char *input)
-{
- char *output = g_malloc0(strlen(input) * 5 + 1);
- const char *in;
- char *out = output;
-
- if (!output) {
- goto end;
- }
-
- for (in = input; *in != '\0'; in++) {
- switch (*in) {
- case '\\':
- *out++ = '\\';
- *out++ = '\\';
- break;
- case '\'':
- *out++ = '\'';
- *out++ = '"';
- *out++ = '\'';
- *out++ = '"';
- *out++ = '\'';
- break;
- case '.':
- *out++ = '\\';
- *out++ = '.';
- break;
- default:
- *out++ = *in;
- break;
- }
- }
-
-end:
- return output;
-}
-
-static
-const char *component_type_str(enum bt_component_class_type type)
-{
- switch (type) {
- case BT_COMPONENT_CLASS_TYPE_SOURCE:
- return "source";
- case BT_COMPONENT_CLASS_TYPE_SINK:
- return "sink";
- case BT_COMPONENT_CLASS_TYPE_FILTER:
- return "filter";
- case BT_COMPONENT_CLASS_TYPE_UNKNOWN:
- default:
- return "unknown";
- }
-}
-
-static void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
- const char *comp_cls_name, enum bt_component_class_type type)
-{
- char *shell_plugin_name = NULL;
- char *shell_comp_cls_name = NULL;
-
- shell_plugin_name = escape_name_for_shell(plugin_name);
- if (!shell_plugin_name) {
- goto end;
- }
-
- shell_comp_cls_name = escape_name_for_shell(comp_cls_name);
- if (!shell_comp_cls_name) {
- goto end;
- }
-
- fprintf(fh, "%s%s--%s%s %s'%s%s%s%s.%s%s%s'",
- bt_common_color_bold(),
- bt_common_color_fg_cyan(),
- component_type_str(type),
- bt_common_color_reset(),
- bt_common_color_fg_default(),
- bt_common_color_bold(),
- bt_common_color_fg_blue(),
- shell_plugin_name,
- bt_common_color_fg_default(),
- bt_common_color_fg_yellow(),
- shell_comp_cls_name,
- bt_common_color_reset());
-
-end:
- g_free(shell_plugin_name);
- g_free(shell_comp_cls_name);
-}
-
-static
-void print_value(struct bt_value *, size_t);
-
-static
-void print_value_rec(struct bt_value *, size_t);
-
-static
-bool print_map_value(const char *key, struct bt_value *object, void *data)
-{
- size_t *indent = data;
-
- print_indent(*indent);
- printf("%s: ", key);
-
- if (bt_value_is_array(object) &&
- bt_value_array_is_empty(object)) {
- printf("[ ]\n");
- return true;
- }
-
- if (bt_value_is_map(object) &&
- bt_value_map_is_empty(object)) {
- printf("{ }\n");
- return true;
- }
-
- if (bt_value_is_array(object) ||
- bt_value_is_map(object)) {
- printf("\n");
- }
-
- print_value_rec(object, *indent + 2);
- return true;
-}
-
-static
-void print_value_rec(struct bt_value *value, size_t indent)
-{
- bool bool_val;
- int64_t int_val;
- double dbl_val;
- const char *str_val;
- int size;
- int i;
-
- if (!value) {
- return;
- }
-
- switch (bt_value_get_type(value)) {
- case BT_VALUE_TYPE_NULL:
- printf("%snull%s\n", bt_common_color_bold(),
- bt_common_color_reset());
- break;
- case BT_VALUE_TYPE_BOOL:
- bt_value_bool_get(value, &bool_val);
- printf("%s%s%s%s\n", bt_common_color_bold(),
- bt_common_color_fg_cyan(), bool_val ? "yes" : "no",
- bt_common_color_reset());
- break;
- case BT_VALUE_TYPE_INTEGER:
- bt_value_integer_get(value, &int_val);
- printf("%s%s%" PRId64 "%s\n", bt_common_color_bold(),
- bt_common_color_fg_red(), int_val,
- bt_common_color_reset());
- break;
- case BT_VALUE_TYPE_FLOAT:
- bt_value_float_get(value, &dbl_val);
- printf("%s%s%lf%s\n", bt_common_color_bold(),
- bt_common_color_fg_red(), dbl_val,
- bt_common_color_reset());
- break;
- case BT_VALUE_TYPE_STRING:
- bt_value_string_get(value, &str_val);
- printf("%s%s%s%s\n", bt_common_color_bold(),
- bt_common_color_fg_green(), str_val,
- bt_common_color_reset());
- break;
- case BT_VALUE_TYPE_ARRAY:
- size = bt_value_array_size(value);
- assert(size >= 0);
-
- if (size == 0) {
- print_indent(indent);
- printf("[ ]\n");
- break;
- }
-
- for (i = 0; i < size; i++) {
- struct bt_value *element =
- bt_value_array_get(value, i);
-
- assert(element);
- print_indent(indent);
- printf("- ");
-
- if (bt_value_is_array(element) &&
- bt_value_array_is_empty(element)) {
- printf("[ ]\n");
- continue;
- }
-
- if (bt_value_is_map(element) &&
- bt_value_map_is_empty(element)) {
- printf("{ }\n");
- continue;
- }
-
- if (bt_value_is_array(element) ||
- bt_value_is_map(element)) {
- printf("\n");
- }
-
- print_value_rec(element, indent + 2);
- BT_PUT(element);
- }
- break;
- case BT_VALUE_TYPE_MAP:
- if (bt_value_map_is_empty(value)) {
- print_indent(indent);
- printf("{ }\n");
- break;
- }
-
- bt_value_map_foreach(value, print_map_value, &indent);
- break;
- default:
- assert(false);
- }
-}
-
-static
-void print_value(struct bt_value *value, size_t indent)
-{
- if (!bt_value_is_array(value) && !bt_value_is_map(value)) {
- print_indent(indent);
- }
-
- print_value_rec(value, indent);
-}
-
-static
-void print_bt_config_component(struct bt_config_component *bt_config_component)
-{
- printf(" ");
- print_plugin_comp_cls_opt(stdout, bt_config_component->plugin_name->str,
- bt_config_component->comp_cls_name->str,
- bt_config_component->type);
- printf(":\n");
-
- if (bt_config_component->instance_name->len > 0) {
- printf(" Name: %s\n",
- bt_config_component->instance_name->str);
- }
-
- printf(" Parameters:\n");
- print_value(bt_config_component->params, 8);
-}
-
-static
-void print_bt_config_components(GPtrArray *array)
-{
- size_t i;
-
- for (i = 0; i < array->len; i++) {
- struct bt_config_component *cfg_component =
- bt_config_get_component(array, i);
- print_bt_config_component(cfg_component);
- BT_PUT(cfg_component);
- }
-}
-
-static
-void print_plugin_paths(struct bt_value *plugin_paths)
-{
- printf(" Plugin paths:\n");
- print_value(plugin_paths, 4);
-}
-
-static
-void print_cfg_run(struct bt_config *cfg)
-{
- size_t i;
-
- print_plugin_paths(cfg->plugin_paths);
- printf(" Source component instances:\n");
- print_bt_config_components(cfg->cmd_data.run.sources);
-
- if (cfg->cmd_data.run.filters->len > 0) {
- printf(" Filter component instances:\n");
- print_bt_config_components(cfg->cmd_data.run.filters);
- }
-
- printf(" Sink component instances:\n");
- print_bt_config_components(cfg->cmd_data.run.sinks);
- printf(" Connections:\n");
-
- for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
- struct bt_config_connection *cfg_connection =
- g_ptr_array_index(cfg->cmd_data.run.connections,
- i);
-
- printf(" %s%s%s -> %s%s%s\n",
- cfg_connection->src_instance_name->str,
- cfg_connection->src_port_name->len > 0 ? "." : "",
- cfg_connection->src_port_name->str,
- cfg_connection->dst_instance_name->str,
- cfg_connection->dst_port_name->len > 0 ? "." : "",
- cfg_connection->dst_port_name->str);
- }
-}
-
-static
-void print_cfg_list_plugins(struct bt_config *cfg)
-{
- print_plugin_paths(cfg->plugin_paths);
-}
-
-static
-void print_cfg_help(struct bt_config *cfg)
-{
- print_plugin_paths(cfg->plugin_paths);
-}
-
-static
-void print_cfg_print_ctf_metadata(struct bt_config *cfg)
-{
- print_plugin_paths(cfg->plugin_paths);
- printf(" Path: %s\n", cfg->cmd_data.print_ctf_metadata.path->str);
-}
-
-static
-void print_cfg_print_lttng_live_sessions(struct bt_config *cfg)
-{
- print_plugin_paths(cfg->plugin_paths);
- printf(" URL: %s\n", cfg->cmd_data.print_lttng_live_sessions.url->str);
-}
-
-static
-void print_cfg_query(struct bt_config *cfg)
-{
- print_plugin_paths(cfg->plugin_paths);
- printf(" Object: `%s`\n", cfg->cmd_data.query.object->str);
- printf(" Component class:\n");
- print_bt_config_component(cfg->cmd_data.query.cfg_component);
-}
-
-static
-void print_cfg(struct bt_config *cfg)
-{
- if (!babeltrace_verbose) {
- return;
- }
-
- printf("Configuration:\n");
- printf(" Debug mode: %s\n", cfg->debug ? "yes" : "no");
- printf(" Verbose mode: %s\n", cfg->verbose ? "yes" : "no");
-
- switch (cfg->command) {
- case BT_CONFIG_COMMAND_RUN:
- print_cfg_run(cfg);
- break;
- case BT_CONFIG_COMMAND_LIST_PLUGINS:
- print_cfg_list_plugins(cfg);
- break;
- case BT_CONFIG_COMMAND_HELP:
- print_cfg_help(cfg);
- break;
- case BT_CONFIG_COMMAND_QUERY:
- print_cfg_query(cfg);
- break;
- case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
- print_cfg_print_ctf_metadata(cfg);
- break;
- case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
- print_cfg_print_lttng_live_sessions(cfg);
- break;
- default:
- assert(false);
- }
-}
-
-static
-struct bt_component *create_trimmer(struct bt_config_component *source_cfg)
-{
- struct bt_component *trimmer = NULL;
- struct bt_component_class *trimmer_class = NULL;
- struct bt_value *trimmer_params = NULL;
- struct bt_value *value;
-
- trimmer_params = bt_value_map_create();
- if (!trimmer_params) {
- goto end;
- }
-
- value = bt_value_map_get(source_cfg->params, "begin");
- if (value) {
- enum bt_value_status ret;
-
- ret = bt_value_map_insert(trimmer_params, "begin",
- value);
- BT_PUT(value);
- if (ret) {
- goto end;
- }
- }
- value = bt_value_map_get(source_cfg->params, "end");
- if (value) {
- enum bt_value_status ret;
-
- ret = bt_value_map_insert(trimmer_params, "end",
- value);
- BT_PUT(value);
- if (ret) {
- goto end;
- }
- }
- value = bt_value_map_get(source_cfg->params, "clock-gmt");
- if (value) {
- enum bt_value_status ret;
-
- ret = bt_value_map_insert(trimmer_params, "clock-gmt",
- value);
- BT_PUT(value);
- if (ret) {
- goto end;
- }
- }
-
- trimmer_class = find_component_class("utils", "trimmer",
- BT_COMPONENT_CLASS_TYPE_FILTER);
- if (!trimmer_class) {
- fprintf(stderr, "Could not find trimmer component class. Aborting...\n");
- goto end;
- }
- trimmer = bt_component_create(trimmer_class, "source_trimmer",
- trimmer_params);
- if (!trimmer) {
- goto end;
- }
-end:
- bt_put(trimmer_params);
- bt_put(trimmer_class);
- return trimmer;
-}
-
-static
-int connect_source_sink(struct bt_graph *graph,
- struct bt_component *source,
- struct bt_config_component *source_cfg,
- struct bt_component *sink)
-{
- int ret = 0;
- struct bt_connection *connection = NULL;
- struct bt_component *trimmer = NULL;
- struct bt_port *source_port =
- bt_component_source_get_default_output_port(source);
- struct bt_port *sink_port =
- bt_component_sink_get_default_input_port(sink);
- struct bt_port *to_sink_port = NULL;
- struct bt_port *trimmer_input_port = NULL;
-
- if (!source_port) {
- fprintf(stderr, "Failed to find default source output port. Aborting...\n");
- ret = -1;
- goto end;
- }
- if (!sink_port) {
- fprintf(stderr, "Failed to find default sink input port. Aborting...\n");
- ret = -1;
- goto end;
- }
-
- if (bt_value_map_has_key(source_cfg->params, "begin")
- || bt_value_map_has_key(source_cfg->params, "end")) {
- /* A trimmer must be inserted in the graph. */
- trimmer = create_trimmer(source_cfg);
- if (!trimmer) {
- fprintf(stderr, "Failed to create trimmer component. Aborting...\n");
- ret = -1;
- goto end;
- }
-
- trimmer_input_port = bt_component_filter_get_default_input_port(
- trimmer);
- if (!trimmer_input_port) {
- fprintf(stderr, "Failed to find trimmer input port. Aborting...\n");
- ret = -1;
- goto end;
- }
- to_sink_port = bt_component_filter_get_default_output_port(
- trimmer);
- if (!to_sink_port) {
- fprintf(stderr, "Failed to find trimmer output port. Aborting...\n");
- ret = -1;
- goto end;
- }
-
- connection = bt_graph_connect_ports(graph, source_port,
- trimmer_input_port);
- if (!connection) {
- fprintf(stderr, "Failed to connect source to trimmer. Aborting...\n");
- ret = -1;
- goto end;
- }
- BT_PUT(connection);
- } else {
- BT_MOVE(to_sink_port, source_port);
- }
-
- connection = bt_graph_connect_ports(graph, to_sink_port, sink_port);
- if (!connection) {
- fprintf(stderr, "Failed to connect to sink. Aborting...\n");
- ret = -1;
- goto end;
- }
-end:
- bt_put(trimmer);
- bt_put(source_port);
- bt_put(sink_port);
- bt_put(to_sink_port);
- bt_put(connection);
- return ret;
-}
-
-static
-void add_to_loaded_plugins(struct bt_plugin **plugins)
-{
- while (*plugins) {
- struct bt_plugin *plugin = *plugins;
- /* Check if it's already loaded (from another path). */
- struct bt_plugin *loaded_plugin =
- find_plugin(bt_plugin_get_name(plugin));
-
- if (loaded_plugin) {
- printf_verbose("Not loading plugin `%s`: already loaded from `%s`\n",
- bt_plugin_get_path(plugin),
- bt_plugin_get_path(loaded_plugin));
- BT_PUT(loaded_plugin);
- BT_PUT(plugin);
- } else {
- /* Transfer ownership to global array. */
- g_ptr_array_add(loaded_plugins, plugin);
- }
- *(plugins++) = NULL;
- }
-}
-
-static
-int load_dynamic_plugins(struct bt_value *plugin_paths)
-{
- int nr_paths, i, ret = 0;
-
- nr_paths = bt_value_array_size(plugin_paths);
- if (nr_paths < 0) {
- ret = -1;
- goto end;
- }
-
- for (i = 0; i < nr_paths; i++) {
- struct bt_value *plugin_path_value = NULL;
- const char *plugin_path;
- struct bt_plugin **plugins;
-
- plugin_path_value = bt_value_array_get(plugin_paths, i);
- if (bt_value_string_get(plugin_path_value,
- &plugin_path)) {
- BT_PUT(plugin_path_value);
- continue;
- }
-
- plugins = bt_plugin_create_all_from_dir(plugin_path, false);
- if (!plugins) {
- printf_debug("Unable to dynamically load plugins from path %s.\n",
- plugin_path);
- BT_PUT(plugin_path_value);
- continue;
- }
-
- add_to_loaded_plugins(plugins);
- free(plugins);
-
- BT_PUT(plugin_path_value);
- }
-end:
- return ret;
-}
-
-static
-int load_static_plugins(void)
-{
- int ret = 0;
- struct bt_plugin **plugins;
-
- plugins = bt_plugin_create_all_from_static();
- if (!plugins) {
- printf_debug("Unable to load static plugins.\n");
- ret = -1;
- goto end;
- }
-
- add_to_loaded_plugins(plugins);
- free(plugins);
-end:
- return ret;
-}
-
-static int load_all_plugins(struct bt_value *plugin_paths)
-{
- int ret = 0;
-
- if (load_dynamic_plugins(plugin_paths)) {
- fprintf(stderr, "Failed to load dynamic plugins.\n");
- ret = -1;
- goto end;
- }
-
- if (load_static_plugins()) {
- fprintf(stderr, "Failed to load static plugins.\n");
- ret = -1;
- goto end;
- }
-
-end:
- return ret;
-}
-
-static void print_plugin_info(struct bt_plugin *plugin)
-{
- unsigned int major, minor, patch;
- const char *extra;
- enum bt_plugin_status version_status;
- const char *plugin_name;
- const char *path;
- const char *author;
- const char *license;
- const char *plugin_description;
-
- plugin_name = bt_plugin_get_name(plugin);
- path = bt_plugin_get_path(plugin);
- author = bt_plugin_get_author(plugin);
- license = bt_plugin_get_license(plugin);
- plugin_description = bt_plugin_get_description(plugin);
- version_status = bt_plugin_get_version(plugin, &major, &minor,
- &patch, &extra);
- printf("%s%s%s%s:\n", bt_common_color_bold(),
- bt_common_color_fg_blue(), plugin_name,
- bt_common_color_reset());
- printf(" %sPath%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(), path ? path : "(None)");
-
- if (version_status == BT_PLUGIN_STATUS_OK) {
- printf(" %sVersion%s: %u.%u.%u",
- bt_common_color_bold(), bt_common_color_reset(),
- major, minor, patch);
-
- if (extra) {
- printf("%s", extra);
- }
-
- printf("\n");
- }
-
- printf(" %sDescription%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(),
- plugin_description ? plugin_description : "(None)");
- printf(" %sAuthor%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(), author ? author : "(Unknown)");
- printf(" %sLicense%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(),
- license ? license : "(Unknown)");
-}
-
-static int cmd_query(struct bt_config *cfg)
-{
- int ret;
- struct bt_component_class *comp_cls = NULL;
- struct bt_value *results = NULL;
-
- ret = load_all_plugins(cfg->plugin_paths);
- if (ret) {
- goto end;
- }
-
- comp_cls = find_component_class(cfg->cmd_data.query.cfg_component->plugin_name->str,
- cfg->cmd_data.query.cfg_component->comp_cls_name->str,
- cfg->cmd_data.query.cfg_component->type);
- if (!comp_cls) {
- fprintf(stderr, "%s%sCannot find component class %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr,
- cfg->cmd_data.query.cfg_component->plugin_name->str,
- cfg->cmd_data.query.cfg_component->comp_cls_name->str,
- cfg->cmd_data.query.cfg_component->type);
- fprintf(stderr, "\n");
- ret = -1;
- goto end;
- }
-
- results = bt_component_class_query(comp_cls,
- cfg->cmd_data.query.object->str,
- cfg->cmd_data.query.cfg_component->params);
- if (!results) {
- fprintf(stderr, "%s%sFailed to query info to %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr,
- cfg->cmd_data.query.cfg_component->plugin_name->str,
- cfg->cmd_data.query.cfg_component->comp_cls_name->str,
- cfg->cmd_data.query.cfg_component->type);
- fprintf(stderr, "%s%s with object `%s`%s\n",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- cfg->cmd_data.query.object->str,
- bt_common_color_reset());
- ret = -1;
- goto end;
- }
-
- print_value(results, 0);
-
-end:
- bt_put(comp_cls);
- bt_put(results);
- return ret;
-}
-
-static int cmd_help(struct bt_config *cfg)
-{
- int ret;
- struct bt_plugin *plugin = NULL;
- size_t i;
-
- ret = load_all_plugins(cfg->plugin_paths);
- if (ret) {
- goto end;
- }
-
- plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
- if (!plugin) {
- fprintf(stderr, "%s%sCannot find plugin %s%s%s\n",
- bt_common_color_bold(), bt_common_color_fg_red(),
- bt_common_color_fg_blue(),
- cfg->cmd_data.help.cfg_component->plugin_name->str,
- bt_common_color_reset());
- ret = -1;
- goto end;
- }
-
- print_plugin_info(plugin);
- printf(" %sComponent classes%s: %d\n",
- bt_common_color_bold(),
- bt_common_color_reset(),
- bt_plugin_get_component_class_count(plugin));
-
-
- if (cfg->cmd_data.help.cfg_component->type !=
- BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
- struct bt_component_class *needed_comp_cls =
- find_component_class(
- cfg->cmd_data.help.cfg_component->plugin_name->str,
- cfg->cmd_data.help.cfg_component->comp_cls_name->str,
- cfg->cmd_data.help.cfg_component->type);
-
- if (!needed_comp_cls) {
- fprintf(stderr, "\n%s%sCannot find component class %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr,
- cfg->cmd_data.help.cfg_component->plugin_name->str,
- cfg->cmd_data.help.cfg_component->comp_cls_name->str,
- cfg->cmd_data.help.cfg_component->type);
- fprintf(stderr, "\n");
- ret = -1;
- goto end;
- }
-
- bt_put(needed_comp_cls);
- }
-
- for (i = 0; i < bt_plugin_get_component_class_count(plugin); i++) {
- struct bt_component_class *comp_cls =
- bt_plugin_get_component_class(plugin, i);
- const char *comp_class_name =
- bt_component_class_get_name(comp_cls);
- const char *comp_class_description =
- bt_component_class_get_description(comp_cls);
- const char *comp_class_help =
- bt_component_class_get_help(comp_cls);
- enum bt_component_class_type type =
- bt_component_class_get_type(comp_cls);
-
- assert(comp_cls);
-
- if (cfg->cmd_data.help.cfg_component->type !=
- BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
- if (strcmp(cfg->cmd_data.help.cfg_component->comp_cls_name->str,
- comp_class_name) != 0 &&
- type ==
- cfg->cmd_data.help.cfg_component->type) {
- bt_put(comp_cls);
- continue;
- }
- }
-
- printf("\n");
- print_plugin_comp_cls_opt(stdout,
- cfg->cmd_data.help.cfg_component->plugin_name->str,
- comp_class_name,
- type);
- printf("\n");
- printf(" %sDescription%s: %s\n", bt_common_color_bold(),
- bt_common_color_reset(),
- comp_class_description ? comp_class_description : "(None)");
-
- if (comp_class_help) {
- printf("\n%s\n", comp_class_help);
- }
-
- bt_put(comp_cls);
- }
-
-end:
- bt_put(plugin);
- return ret;
-}
-
-static int cmd_list_plugins(struct bt_config *cfg)
-{
- int ret;
- int plugins_count, component_classes_count = 0, i;
-
- ret = load_all_plugins(cfg->plugin_paths);
- if (ret) {
- goto end;
- }
-
- printf("From the following plugin paths:\n\n");
- print_value(cfg->plugin_paths, 2);
- printf("\n");
- plugins_count = loaded_plugins->len;
- if (plugins_count == 0) {
- fprintf(stderr, "%s%sNo plugins found.%s\n",
- bt_common_color_bold(), bt_common_color_fg_red(),
- bt_common_color_reset());
- fprintf(stderr, "\n");
- fprintf(stderr, "Please make sure your plugin search path is set correctly. You can use\n");
- fprintf(stderr, "the --plugin-path command-line option or the BABELTRACE_PLUGIN_PATH\n");
- fprintf(stderr, "environment variable.\n");
- ret = -1;
- goto end;
- }
-
- for (i = 0; i < plugins_count; i++) {
- struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
-
- component_classes_count += bt_plugin_get_component_class_count(plugin);
- }
-
- printf("Found %s%d%s component classes in %s%d%s plugins.\n",
- bt_common_color_bold(),
- component_classes_count,
- bt_common_color_reset(),
- bt_common_color_bold(),
- plugins_count,
- bt_common_color_reset());
-
- for (i = 0; i < plugins_count; i++) {
- int j;
- struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
-
- component_classes_count =
- bt_plugin_get_component_class_count(plugin);
- printf("\n");
- print_plugin_info(plugin);
-
- if (component_classes_count == 0) {
- printf(" %sComponent classes%s: (None)\n",
- bt_common_color_bold(),
- bt_common_color_reset());
- } else {
- printf(" %sComponent classes%s:\n",
- bt_common_color_bold(),
- bt_common_color_reset());
- }
-
- for (j = 0; j < component_classes_count; j++) {
- struct bt_component_class *comp_class =
- bt_plugin_get_component_class(plugin, j);
- const char *comp_class_name =
- bt_component_class_get_name(comp_class);
- const char *comp_class_description =
- bt_component_class_get_description(comp_class);
- enum bt_component_class_type type =
- bt_component_class_get_type(comp_class);
-
- printf(" ");
- print_plugin_comp_cls_opt(stdout,
- bt_plugin_get_name(plugin), comp_class_name,
- type);
-
- if (comp_class_description) {
- printf(": %s", comp_class_description);
- }
-
- printf("\n");
- bt_put(comp_class);
- }
- }
-
-end:
- return ret;
-}
-
-static int cmd_print_lttng_live_sessions(struct bt_config *cfg)
-{
- printf("TODO\n");
- return -1;
-}
-
-static int cmd_print_ctf_metadata(struct bt_config *cfg)
-{
- int ret = 0;
- struct bt_component_class *comp_cls = NULL;
- struct bt_value *results = NULL;
- struct bt_value *params = NULL;
- struct bt_value *metadata_text_value = NULL;
- const char *metadata_text = NULL;
- static const char * const plugin_name = "ctf";
- static const char * const comp_cls_name = "fs";
- static const enum bt_component_class_type comp_cls_type =
- BT_COMPONENT_CLASS_TYPE_SOURCE;
-
- assert(cfg->cmd_data.print_ctf_metadata.path);
- comp_cls = find_component_class(plugin_name, comp_cls_name,
- comp_cls_type);
- if (!comp_cls) {
- fprintf(stderr, "%s%sCannot find component class %s",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- print_plugin_comp_cls_opt(stderr, plugin_name,
- comp_cls_name, comp_cls_type);
- fprintf(stderr, "\n");
- ret = -1;
- goto end;
- }
-
- params = bt_value_map_create();
- if (!params) {
- ret = -1;
- goto end;
- }
-
- ret = bt_value_map_insert_string(params, "path",
- cfg->cmd_data.print_ctf_metadata.path->str);
- if (ret) {
- ret = -1;
- goto end;
- }
-
- results = bt_component_class_query(comp_cls, "metadata-info",
- params);
- if (!results) {
- ret = -1;
- fprintf(stderr, "%s%sFailed to request metadata info%s\n",
- bt_common_color_bold(),
- bt_common_color_fg_red(),
- bt_common_color_reset());
- goto end;
- }
-
- metadata_text_value = bt_value_map_get(results, "text");
- if (!metadata_text_value) {
- ret = -1;
- goto end;
- }
-
- ret = bt_value_string_get(metadata_text_value, &metadata_text);
- assert(ret == 0);
- printf("%s\n", metadata_text);
-
-end:
- bt_put(results);
- bt_put(params);
- bt_put(metadata_text_value);
- bt_put(comp_cls);
- return 0;
-}
-
-static int cmd_run(struct bt_config *cfg)
-{
- int ret = 0;
- struct bt_component_class *source_class = NULL;
- struct bt_component_class *sink_class = NULL;
- struct bt_component *source = NULL, *sink = NULL;
- struct bt_value *source_params = NULL, *sink_params = NULL;
- struct bt_config_component *source_cfg = NULL, *sink_cfg = NULL;
- struct bt_graph *graph = NULL;
-
- ret = load_all_plugins(cfg->plugin_paths);
- if (ret) {
- goto end;
- }
-
- /* TODO handle more than 1 source and 1 sink. */
- if (cfg->cmd_data.run.sources->len != 1 ||
- cfg->cmd_data.run.sinks->len != 1) {
- fprintf(stderr, "Only one source and one sink component class are supported. Aborting...\n");
- ret = -1;
- goto end;
- }
-
- source_cfg = bt_config_get_component(cfg->cmd_data.run.sources, 0);
- source_params = bt_get(source_cfg->params);
- source_class = find_component_class(source_cfg->plugin_name->str,
- source_cfg->comp_cls_name->str,
- BT_COMPONENT_CLASS_TYPE_SOURCE);
- if (!source_class) {
- fprintf(stderr, "Could not find ");
- print_plugin_comp_cls_opt(stderr, source_cfg->plugin_name->str,
- source_cfg->comp_cls_name->str, BT_COMPONENT_CLASS_TYPE_SOURCE);
- fprintf(stderr, ". Aborting...\n");
- ret = -1;
- goto end;
- }
-
- sink_cfg = bt_config_get_component(cfg->cmd_data.run.sinks, 0);
- sink_params = bt_get(sink_cfg->params);
- sink_class = find_component_class(sink_cfg->plugin_name->str,
- sink_cfg->comp_cls_name->str,
- BT_COMPONENT_CLASS_TYPE_SINK);
- if (!sink_class) {
- fprintf(stderr, "Could not find ");
- print_plugin_comp_cls_opt(stderr, sink_cfg->plugin_name->str,
- sink_cfg->comp_cls_name->str, BT_COMPONENT_CLASS_TYPE_SINK);
- fprintf(stderr, ". Aborting...\n");
- ret = -1;
- goto end;
- }
-
- graph = bt_graph_create();
- if (!graph) {
- ret = -1;
- goto end;
- }
-
- source = bt_component_create(source_class, "source", source_params);
- if (!source) {
- fprintf(stderr, "Failed to instantiate selected source component. Aborting...\n");
- ret = -1;
- goto end;
- }
-
- sink = bt_component_create(sink_class, "sink", sink_params);
- if (!sink) {
- fprintf(stderr, "Failed to instantiate selected output component. Aborting...\n");
- ret = -1;
- goto end;
- }
-
- ret = connect_source_sink(graph, source, source_cfg, sink);
- if (ret) {
- ret = -1;
- goto end;
- }
-
- while (true) {
- enum bt_graph_status graph_status;
-
- graph_status = bt_graph_run(graph);
- switch (graph_status) {
- case BT_GRAPH_STATUS_AGAIN:
- /* Wait for an arbitraty 500 ms. */
- usleep(500000);
- break;
- case BT_COMPONENT_STATUS_END:
- goto end;
- default:
- fprintf(stderr, "Sink component returned an error, aborting...\n");
- ret = -1;
- goto end;
- }
- }
-
-end:
- bt_put(sink_class);
- bt_put(source_class);
- bt_put(source);
- bt_put(sink);
- bt_put(source_params);
- bt_put(sink_params);
- bt_put(sink_cfg);
- bt_put(source_cfg);
- bt_put(graph);
- return ret;
-}
-
-static void warn_command_name_and_directory_clash(struct bt_config *cfg)
-{
- if (!cfg->command_name) {
- return;
- }
-
- if (g_file_test(cfg->command_name,
- G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
- fprintf(stderr, "\nNOTE: The `%s` command was executed. If you meant to convert a\n",
- cfg->command_name);
- fprintf(stderr, "trace located in the local `%s` directory, please use:\n",
- cfg->command_name);
- fprintf(stderr, "\n");
- fprintf(stderr, " babeltrace convert %s [OPTIONS]\n",
- cfg->command_name);
- }
-}
-
-int main(int argc, const char **argv)
-{
- int ret;
- int retcode;
- struct bt_config *cfg;
-
- init_loaded_plugins_array();
- cfg = bt_config_from_args_with_defaults(argc, argv, &retcode);
-
- if (retcode < 0) {
- /* Quit without errors; typically usage/version */
- retcode = 0;
- goto end;
- }
-
- if (retcode > 0) {
- goto end;
- }
-
- if (!cfg) {
- fprintf(stderr, "Failed to create Babeltrace configuration\n");
- retcode = 1;
- goto end;
- }
-
- babeltrace_debug = cfg->debug;
- babeltrace_verbose = cfg->verbose;
- print_cfg(cfg);
-
- if (cfg->command_needs_plugins) {
- ret = load_all_plugins(cfg->plugin_paths);
- if (ret) {
- retcode = 1;
- goto end;
- }
- }
-
- switch (cfg->command) {
- case BT_CONFIG_COMMAND_RUN:
- ret = cmd_run(cfg);
- break;
- case BT_CONFIG_COMMAND_LIST_PLUGINS:
- ret = cmd_list_plugins(cfg);
- break;
- case BT_CONFIG_COMMAND_HELP:
- ret = cmd_help(cfg);
- break;
- case BT_CONFIG_COMMAND_QUERY:
- ret = cmd_query(cfg);
- break;
- case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
- ret = cmd_print_ctf_metadata(cfg);
- break;
- case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
- ret = cmd_print_lttng_live_sessions(cfg);
- break;
- default:
- assert(false);
- }
-
- warn_command_name_and_directory_clash(cfg);
- retcode = ret ? 1 : 0;
-
-end:
- BT_PUT(cfg);
- fini_loaded_plugins_array();
- return retcode;
-}
projects / babeltrace.git / blobdiff