*/
#include <babeltrace/babeltrace.h>
-#include <babeltrace/plugin/component-factory.h>
#include <babeltrace/plugin/plugin.h>
-#include <babeltrace/plugin/component-class.h>
-#include <babeltrace/plugin/notification/iterator.h>
+#include <babeltrace/component/component.h>
+#include <babeltrace/component/component-source.h>
+#include <babeltrace/component/component-sink.h>
+#include <babeltrace/component/component-filter.h>
+#include <babeltrace/component/component-class.h>
+#include <babeltrace/component/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 "babeltrace-cfg.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
-const char *component_type_str(enum bt_component_type type)
+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
+const char *component_type_str(enum bt_component_class_type type)
{
switch (type) {
- case BT_COMPONENT_TYPE_SOURCE:
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
return "source";
- case BT_COMPONENT_TYPE_SINK:
+ case BT_COMPONENT_CLASS_TYPE_SINK:
return "sink";
- case BT_COMPONENT_TYPE_FILTER:
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
return "filter";
- case BT_COMPONENT_TYPE_UNKNOWN:
+ case BT_COMPONENT_CLASS_TYPE_UNKNOWN:
default:
return "unknown";
}
}
static
-void print_component_classes_found(struct bt_component_factory *factory)
+void print_component_classes_found(void)
{
- int count, i;
+ int plugins_count, component_classes_count = 0, i;
if (!babeltrace_verbose) {
return;
}
- count = bt_component_factory_get_component_class_count(factory);
- if (count <= 0) {
- fprintf(stderr, "No component classes found. Please make sure your plug-in search path is set correctly.\n");
+ plugins_count = loaded_plugins->len;
+ if (plugins_count == 0) {
+ fprintf(stderr, "No plugins found. Please make sure your plug-in search path is set correctly.\n");
return;
}
- printf_verbose("Found %d component classes.\n", count);
- for (i = 0; i < count; i++) {
- struct bt_component_class *component_class =
- bt_component_factory_get_component_class_index(
- factory, i);
- struct bt_plugin *plugin = bt_component_class_get_plugin(
- component_class);
- const char *plugin_name = bt_plugin_get_name(plugin);
- const char *component_name = bt_component_class_get_name(
- component_class);
- const char *path = bt_plugin_get_path(plugin);
- const char *author = bt_plugin_get_author(plugin);
- const char *license = bt_plugin_get_license(plugin);
- const char *plugin_description = bt_plugin_get_description(
- plugin);
- const char *component_description =
- bt_component_class_get_description(
- component_class);
- enum bt_component_type type = bt_component_class_get_type(
- component_class);
-
- printf_verbose("[%s - %s (%s)]\n", plugin_name, component_name,
- component_type_str(type));
- printf_verbose("\tpath: %s\n", path ? path : "None");
- printf_verbose("\tauthor: %s\n", author ? author : "Unknown");
- printf_verbose("\tlicense: %s\n", license ? license : "Unknown");
- printf_verbose("\tplugin description: %s\n",
+ 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_verbose("Found %d component classes in %d plugins.\n",
+ component_classes_count, plugins_count);
+
+ for (i = 0; i < plugins_count; i++) {
+ int j;
+ struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+ unsigned int major, minor, patch;
+ const char *extra;
+ enum bt_plugin_status version_status;
+
+ component_classes_count =
+ bt_plugin_get_component_class_count(plugin);
+ version_status = bt_plugin_get_version(plugin, &major, &minor,
+ &patch, &extra);
+
+ for (j = 0; j < component_classes_count; j++) {
+ struct bt_component_class *comp_class =
+ bt_plugin_get_component_class(plugin, j);
+ const char *plugin_name = bt_plugin_get_name(plugin);
+ const char *comp_class_name =
+ bt_component_class_get_name(comp_class);
+ const char *path = bt_plugin_get_path(plugin);
+ const char *author = bt_plugin_get_author(plugin);
+ const char *license = bt_plugin_get_license(plugin);
+ const char *plugin_description =
+ bt_plugin_get_description(plugin);
+ 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_verbose("[%s - %s (%s)]\n", plugin_name,
+ comp_class_name, component_type_str(type));
+ printf_verbose("\tpath: %s\n", path ? path : "None");
+ printf_verbose("\tauthor: %s\n",
+ author ? author : "Unknown");
+ printf_verbose("\tlicense: %s\n",
+ license ? license : "Unknown");
+ printf_verbose("\tplugin description: %s\n",
plugin_description ? plugin_description : "None");
- printf_verbose("\tcomponent description: %s\n",
- component_description ? component_description : "None");
- bt_put(plugin);
- bt_put(component_class);
+ if (version_status == BT_PLUGIN_STATUS_OK) {
+ printf_verbose("\tplugin version: %u.%u.%u",
+ major, minor, patch);
+
+ if (extra) {
+ printf("%s", extra);
+ }
+
+ printf("\n");
+ }
+
+ printf_verbose("\tcomponent description: %s\n",
+ comp_class_description ? comp_class_description : "None");
+ bt_put(comp_class);
+ }
}
}
size_t i;
for (i = 0; i < indent; i++) {
- printf(" ");
+ printf_verbose(" ");
}
}
size_t indent = (size_t) data;
print_indent(indent);
- printf("\"%s\": ", key);
+ printf_verbose("\"%s\": ", key);
print_value(object, indent, false);
return true;
switch (bt_value_get_type(value)) {
case BT_VALUE_TYPE_NULL:
- printf("null\n");
+ printf_verbose("null\n");
break;
case BT_VALUE_TYPE_BOOL:
bt_value_bool_get(value, &bool_val);
- printf("%s\n", bool_val ? "true" : "false");
+ printf_verbose("%s\n", bool_val ? "true" : "false");
break;
case BT_VALUE_TYPE_INTEGER:
bt_value_integer_get(value, &int_val);
- printf("%" PRId64 "\n", int_val);
+ printf_verbose("%" PRId64 "\n", int_val);
break;
case BT_VALUE_TYPE_FLOAT:
bt_value_float_get(value, &dbl_val);
- printf("%lf\n", dbl_val);
+ printf_verbose("%lf\n", dbl_val);
break;
case BT_VALUE_TYPE_STRING:
bt_value_string_get(value, &str_val);
- printf("\"%s\"\n", str_val);
+ printf_verbose("\"%s\"\n", str_val);
break;
case BT_VALUE_TYPE_ARRAY:
size = bt_value_array_size(value);
- printf("[\n");
+ printf_verbose("[\n");
for (i = 0; i < size; i++) {
struct bt_value *element =
}
print_indent(indent);
- printf("]\n");
+ printf_verbose("]\n");
break;
case BT_VALUE_TYPE_MAP:
if (bt_value_map_is_empty(value)) {
- printf("{}\n");
+ printf_verbose("{}\n");
return;
}
- printf("{\n");
+ printf_verbose("{\n");
bt_value_map_foreach(value, print_map_value,
(void *) (indent + 2));
print_indent(indent);
- printf("}\n");
+ printf_verbose("}\n");
break;
default:
assert(false);
static
void print_bt_config_component(struct bt_config_component *bt_config_component)
{
- printf(" %s.%s\n", bt_config_component->plugin_name->str,
+ printf_verbose(" %s.%s\n", bt_config_component->plugin_name->str,
bt_config_component->component_name->str);
- printf(" begin timestamp: ");
-
- if (bt_config_component->begin_ns == -1ULL) {
- printf("not set\n");
- } else {
- printf("%" PRIu64 " ns\n", bt_config_component->begin_ns);
- }
-
- printf(" end timestamp: ");
-
- if (bt_config_component->end_ns == -1ULL) {
- printf("not set\n");
- } else {
- printf("%" PRIu64 " ns\n", bt_config_component->end_ns);
- }
-
- printf(" params:\n");
+ printf_verbose(" params:\n");
print_value(bt_config_component->params, 6, true);
}
for (i = 0; i < array->len; i++) {
struct bt_config_component *cfg_component =
- bt_config_get_component(array, i);
+ bt_config_get_component(array, i);
print_bt_config_component(cfg_component);
BT_PUT(cfg_component);
}
static
void print_cfg(struct bt_config *cfg)
{
- printf("debug: %d\n", cfg->debug);
- printf("verbose: %d\n", cfg->verbose);
- printf("do list: %d\n", cfg->do_list);
- printf("force correlate: %d\n", cfg->force_correlate);
- printf("plugin paths:\n");
+ printf_verbose("debug: %d\n", cfg->debug);
+ printf_verbose("verbose: %d\n", cfg->verbose);
+ printf_verbose("do list: %d\n", cfg->do_list);
+ printf_verbose("force correlate: %d\n", cfg->force_correlate);
+ printf_verbose("plugin paths:\n");
print_value(cfg->plugin_paths, 2, true);
- printf("sources:\n");
+ printf_verbose("sources:\n");
print_bt_config_components(cfg->sources);
- printf("sinks:\n");
+ printf_verbose("sinks:\n");
print_bt_config_components(cfg->sinks);
}
-int main(int argc, char **argv)
+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_component *source,
+ struct bt_config_component *source_cfg,
+ struct bt_component *sink)
+{
+ int ret = 0;
+ enum bt_component_status sink_status;
+ struct bt_component *trimmer = NULL;
+ struct bt_notification_iterator *source_it = NULL;
+ struct bt_notification_iterator *to_sink_it = NULL;
+
+ source_it = bt_component_source_create_notification_iterator(source);
+ if (!source_it) {
+ fprintf(stderr, "Failed to instantiate source iterator. 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. */
+ enum bt_component_status trimmer_status;
+
+ trimmer = create_trimmer(source_cfg);
+ if (!trimmer) {
+ fprintf(stderr, "Failed to create trimmer component. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ trimmer_status = bt_component_filter_add_iterator(trimmer,
+ source_it);
+ BT_PUT(source_it);
+ if (trimmer_status != BT_COMPONENT_STATUS_OK) {
+ fprintf(stderr, "Failed to connect source to trimmer. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+
+ to_sink_it = bt_component_filter_create_notification_iterator(trimmer);
+ if (!to_sink_it) {
+ fprintf(stderr, "Failed to instantiate trimmer iterator. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+ } else {
+ BT_MOVE(to_sink_it, source_it);
+ }
+
+ sink_status = bt_component_sink_add_iterator(sink, to_sink_it);
+ if (sink_status != BT_COMPONENT_STATUS_OK) {
+ fprintf(stderr, "Failed to connect to sink component. Aborting...\n");
+ ret = -1;
+ goto end;
+ }
+end:
+ bt_put(trimmer);
+ bt_put(source_it);
+ bt_put(to_sink_it);
+ 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_config *cfg)
+{
+ int nr_paths, i, ret = 0;
+
+ nr_paths = bt_value_array_size(cfg->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(cfg->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, true);
+ 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;
+}
+
+int main(int argc, const char **argv)
{
int ret;
- struct bt_component_factory *component_factory = NULL;
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 *cfg;
- struct bt_notification_iterator *it = NULL;
enum bt_component_status sink_status;
- struct bt_value *first_plugin_path_value = NULL;
- const char *first_plugin_path;
- struct bt_config_component *cfg_component;
+ struct bt_config_component *source_cfg = NULL, *sink_cfg = NULL;
+
+ init_loaded_plugins_array();
+
+ cfg = bt_config_create();
+ if (!cfg) {
+ fprintf(stderr, "Failed to create Babeltrace configuration\n");
+ ret = 1;
+ goto end;
+ }
- cfg = bt_config_from_args(argc, argv, &ret);
- if (cfg) {
+ ret = set_default_config(cfg);
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_config_init_from_args(cfg, argc, argv);
+ if (ret == 0) {
+ babeltrace_verbose = cfg->verbose;
+ babeltrace_debug = cfg->debug;
print_cfg(cfg);
} else {
goto end;
}
- babeltrace_verbose = cfg->verbose;
- babeltrace_debug = cfg->debug;
-
/* TODO handle more than 1 source and 1 sink. */
if (cfg->sources->len != 1 || cfg->sinks->len != 1) {
- fprintf(stderr, "Unexpected configuration, aborting...\n");
ret = -1;
goto end;
}
- cfg_component = bt_config_get_component(cfg->sources, 0);
- source_params = bt_get(cfg_component->params);
- BT_PUT(cfg_component);
- cfg_component = bt_config_get_component(cfg->sinks, 0);
- sink_params = bt_get(cfg_component->params);
- BT_PUT(cfg_component);
printf_verbose("Verbose mode active.\n");
printf_debug("Debug mode active.\n");
- component_factory = bt_component_factory_create();
- if (!component_factory) {
- fprintf(stderr, "Failed to create component factory.\n");
+
+ if (load_dynamic_plugins(cfg)) {
+ fprintf(stderr, "Failed to load dynamic plugins.\n");
ret = -1;
goto end;
}
- if (cfg->plugin_paths && !bt_value_array_is_empty(cfg->plugin_paths)) {
- first_plugin_path_value = bt_value_array_get(
- cfg->plugin_paths, 0);
- bt_value_string_get(first_plugin_path_value,
- &first_plugin_path);
- ret = bt_component_factory_load_recursive(component_factory,
- first_plugin_path);
- if (ret) {
- fprintf(stderr, "Failed to dynamically load plugins.\n");
- goto end;
- }
- }
-
- ret = bt_component_factory_load_static(component_factory);
- if (ret) {
+ if (load_static_plugins()) {
fprintf(stderr, "Failed to load static plugins.\n");
goto end;
}
- print_component_classes_found(component_factory);
- source_class = bt_component_factory_get_component_class(
- component_factory, "ctf", BT_COMPONENT_TYPE_SOURCE,
- "fs");
+ print_component_classes_found();
+ source_cfg = bt_config_get_component(cfg->sources, 0);
+ source_params = bt_get(source_cfg->params);
+ source_class = find_component_class(source_cfg->plugin_name->str,
+ source_cfg->component_name->str,
+ BT_COMPONENT_CLASS_TYPE_SOURCE);
if (!source_class) {
- fprintf(stderr, "Could not find ctf-fs source component class. Aborting...\n");
+ fprintf(stderr, "Could not find %s.%s source component class. Aborting...\n",
+ source_cfg->plugin_name->str,
+ source_cfg->component_name->str);
ret = -1;
goto end;
}
- sink_class = bt_component_factory_get_component_class(component_factory,
- NULL, BT_COMPONENT_TYPE_SINK, "text");
+ sink_cfg = bt_config_get_component(cfg->sinks, 0);
+ sink_params = bt_get(sink_cfg->params);
+ sink_class = find_component_class(sink_cfg->plugin_name->str,
+ sink_cfg->component_name->str,
+ BT_COMPONENT_CLASS_TYPE_SINK);
if (!sink_class) {
- fprintf(stderr, "Could not find text output component class. Aborting...\n");
+ fprintf(stderr, "Could not find %s.%s output component class. Aborting...\n",
+ sink_cfg->plugin_name->str,
+ sink_cfg->component_name->str);
ret = -1;
goto end;
}
- source = bt_component_create(source_class, "ctf-fs", source_params);
+ source = bt_component_create(source_class, "source", source_params);
if (!source) {
- fprintf(stderr, "Failed to instantiate ctf-fs source component. Aborting...\n");
+ fprintf(stderr, "Failed to instantiate selected source component. Aborting...\n");
ret = -1;
goto end;
}
- sink = bt_component_create(sink_class, "text", sink_params);
+ sink = bt_component_create(sink_class, "sink", sink_params);
if (!sink) {
- fprintf(stderr, "Failed to instanciate text output component. Aborting...\n");
+ fprintf(stderr, "Failed to instantiate selected output component. Aborting...\n");
ret = -1;
goto end;
}
- it = bt_component_source_create_iterator(source);
- if (!it) {
- fprintf(stderr, "Failed to instantiate source iterator. Aborting...\n");
- ret = -1;
- goto end;
- }
-
- sink_status = bt_component_sink_add_iterator(sink, it);
- if (sink_status != BT_COMPONENT_STATUS_OK) {
- ret = -1;
+ ret = connect_source_sink(source, source_cfg, sink);
+ if (ret) {
goto end;
}
}
}
end:
- BT_PUT(component_factory);
BT_PUT(sink_class);
BT_PUT(source_class);
BT_PUT(source);
BT_PUT(sink);
BT_PUT(source_params);
BT_PUT(sink_params);
- BT_PUT(it);
BT_PUT(cfg);
- BT_PUT(first_plugin_path_value);
+ BT_PUT(sink_cfg);
+ BT_PUT(source_cfg);
+ fini_loaded_plugins_array();
return ret ? 1 : 0;
}