+static
+void print_value(struct bt_value *value, size_t indent, bool do_indent)
+{
+ bool bool_val;
+ int64_t int_val;
+ double dbl_val;
+ const char *str_val;
+ int size;
+ int i;
+
+ if (!value) {
+ return;
+ }
+
+ if (do_indent) {
+ print_indent(indent);
+ }
+
+ switch (bt_value_get_type(value)) {
+ case BT_VALUE_TYPE_NULL:
+ printf("null\n");
+ break;
+ case BT_VALUE_TYPE_BOOL:
+ bt_value_bool_get(value, &bool_val);
+ printf("%s\n", bool_val ? "true" : "false");
+ break;
+ case BT_VALUE_TYPE_INTEGER:
+ bt_value_integer_get(value, &int_val);
+ printf("%" PRId64 "\n", int_val);
+ break;
+ case BT_VALUE_TYPE_FLOAT:
+ bt_value_float_get(value, &dbl_val);
+ printf("%lf\n", dbl_val);
+ break;
+ case BT_VALUE_TYPE_STRING:
+ bt_value_string_get(value, &str_val);
+ printf("\"%s\"\n", str_val);
+ break;
+ case BT_VALUE_TYPE_ARRAY:
+ size = bt_value_array_size(value);
+ printf("[\n");
+
+ for (i = 0; i < size; i++) {
+ struct bt_value *element =
+ bt_value_array_get(value, i);
+
+ print_value(element, indent + 2, true);
+ BT_PUT(element);
+ }
+
+ print_indent(indent);
+ printf("]\n");
+ break;
+ case BT_VALUE_TYPE_MAP:
+ if (bt_value_map_is_empty(value)) {
+ printf("{}\n");
+ return;
+ }
+
+ printf("{\n");
+ bt_value_map_foreach(value, print_map_value,
+ (void *) (indent + 2));
+ print_indent(indent);
+ printf("}\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,
+ bt_config_component->component_name->str);
+ printf(" params:\n");
+ print_value(bt_config_component->params, 6, true);
+}
+
+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_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");
+ print_value(cfg->plugin_paths, 2, true);
+ printf("sources:\n");
+ print_bt_config_components(cfg->sources);
+ printf("sinks:\n");
+ print_bt_config_components(cfg->sinks);
+}
+
+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;
+
+ assert(component_factory);
+ 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 = bt_component_factory_get_component_class(
+ component_factory, "utils", BT_COMPONENT_TYPE_FILTER,
+ "trimmer");
+ 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_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_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 int load_plugins(struct bt_config *cfg)
+{
+ int nr_paths, i;
+
+ nr_paths = bt_value_array_size(cfg->plugin_paths);
+ if (nr_paths < 0) {
+ return -1;
+ }
+ for (i = 0; i < nr_paths; i++) {
+ struct bt_value *plugin_path_value = NULL;
+ const char *plugin_path;
+
+ 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;
+ }
+ if (bt_component_factory_load_recursive(component_factory,
+ plugin_path)) {
+ printf_debug("Unable to dynamically load plugins from path %s.\n",
+ plugin_path);
+ }
+ BT_PUT(plugin_path_value);
+ }
+ return 0;
+}
+
+int main(int argc, const char **argv)