+ 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;
+
+ 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;
+ }
+
+ 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);
+ BT_ASSERT(downstream_port_count >= 0);
+
+ for (i = 0; i < downstream_port_count; i++) {
+ struct bt_port_input *in_downstream_port =
+ port_by_index_fn(downstream_comp, i);
+ struct bt_port *downstream_port =
+ bt_port_input_as_port(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;
+ enum 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_private_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(
+ trimmer, 0);
+ if (!trimmer_input) {
+ goto error;
+ }
+ trimmer_output =
+ bt_component_filter_borrow_output_port_by_index(
+ 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(in_downstream_port);
+ downstream_port_name = bt_port_get_name(
+ downstream_port);
+ BT_ASSERT(downstream_port_name);
+ }
+
+ /* We have a winner! */
+ status = bt_private_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(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_OBJECT_PUT_REF_AND_RESET(trimmer_params);
+ BT_OBJECT_PUT_REF_AND_RESET(trimmer_class);
+ BT_OBJECT_PUT_REF_AND_RESET(trimmer);
+ return ret;
+}
+
+static
+int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx,
+ struct bt_port_output *upstream_port)
+{
+ int ret = 0;
+ const char *upstream_port_name;
+ const char *upstream_comp_name;
+ struct 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(upstream_port));
+ BT_ASSERT(upstream_port_name);
+ upstream_comp = bt_port_borrow_component(
+ bt_port_output_as_port(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
+void graph_output_port_added_listener(struct cmd_run_ctx *ctx,
+ struct bt_port_output *out_port)
+{
+ struct bt_component *comp;
+ struct bt_port *port = bt_port_output_as_port(out_port);
+
+ comp = bt_port_borrow_component(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");
+ abort();
+ }
+
+end:
+ return;
+}
+
+static
+void graph_source_output_port_added_listener(
+ struct bt_component_source *component,
+ struct bt_port_output *port, void *data)
+{
+ graph_output_port_added_listener(data, port);
+}
+
+static
+void graph_filter_output_port_added_listener(
+ struct bt_component_filter *component,
+ struct bt_port_output *port, void *data)
+{
+ 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_OBJECT_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;
+ enum 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_private_graph_create();
+ if (!ctx->graph) {
+ goto error;
+ }
+
+ the_graph = ctx->graph;
+ status = bt_private_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_private_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,
+ struct bt_component_class_source *src_comp_cls)
+{
+ int ret = 0;
+ uint64_t trace_idx;
+ int64_t trace_count;
+ enum bt_value_status value_status;
+ const char *path = NULL;
+ const struct bt_value *component_path_value = NULL;
+ struct bt_value *query_params = NULL;
+ const struct bt_value *query_result = NULL;
+ const struct bt_value *trace_info = NULL;
+ const struct bt_value *intersection_range = NULL;
+ const struct bt_value *intersection_begin = NULL;
+ const struct bt_value *intersection_end = NULL;
+ const struct bt_value *stream_path_value = NULL;
+ const struct bt_value *stream_paths = NULL;
+ const struct bt_value *stream_infos = NULL;
+ const struct bt_value *stream_info = NULL;
+ struct port_id *port_id = NULL;
+ struct trace_range *trace_range = NULL;
+ const char *fail_reason = NULL;
+ struct bt_component_class *comp_cls =
+ bt_component_class_source_as_component_class(src_comp_cls);
+
+ component_path_value = bt_value_map_borrow_entry_value(cfg_comp->params,
+ "path");
+ if (component_path_value && !bt_value_is_string(component_path_value)) {
+ BT_LOGD("Cannot get path parameter: component-name=%s",
+ cfg_comp->instance_name->str);
+ ret = -1;
+ goto error;
+ }
+
+ path = bt_value_string_get(component_path_value);
+ query_params = bt_value_map_create();
+ if (!query_params) {
+ BT_LOGE_STR("Cannot create query parameters.");
+ ret = -1;
+ goto error;
+ }
+
+ value_status = bt_value_map_insert_string_entry(query_params, "path",
+ path);
+ if (value_status != BT_VALUE_STATUS_OK) {
+ BT_LOGE_STR("Cannot insert path parameter in query parameter map.");
+ ret = -1;
+ goto error;
+ }
+
+ ret = query(comp_cls, "trace-info",
+ query_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_integer_get(intersection_begin);
+ end = bt_value_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;
+ }
+
+ /*
+ * FIXME
+ *
+ * The first path of a stream's "paths" is currently used to
+ * associate streams/ports to a given trace intersection.
+ *
+ * This is a fragile hack as it relies on the port names
+ * being set to the various streams path.
+ *
+ * A stream name should be introduced as part of the trace-info
+ * query result.
+ */
+ for (stream_idx = 0; stream_idx < stream_count; stream_idx++) {
+ const char *stream_path;
+
+ 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;
+ }
+
+ stream_paths = bt_value_map_borrow_entry_value_const(stream_info,
+ "paths");
+ if (!stream_paths || !bt_value_is_array(stream_paths)) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve stream paths from trace in query result.");
+ goto error;
+ }
+
+ stream_path_value =
+ bt_value_array_borrow_element_by_index_const(
+ stream_paths, 0);
+ if (!stream_path_value ||
+ !bt_value_is_string(stream_path_value)) {
+ ret = -1;
+ BT_LOGD_STR("Cannot retrieve stream path value from trace in query result.");
+ goto error;
+ }
+
+ stream_path = bt_value_string_get(stream_path_value);
+ port_id->port_name = strdup(stream_path);
+ 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_object_put_ref(query_params);
+ bt_object_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;
+ void *comp_cls = NULL;
+ 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_private_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_private_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_private_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), comp);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ g_hash_table_insert(ctx->flt_components,
+ GUINT_TO_POINTER(quark), comp);
+ break;
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ g_hash_table_insert(ctx->sink_components,
+ GUINT_TO_POINTER(quark), 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)(void *);
+typedef struct bt_port_output *(*borrow_output_port_by_index_func_t)(
+ 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);
+ BT_ASSERT(count >= 0);
+
+ for (i = 0; i < count; i++) {
+ struct 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);
+ 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);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ return ret;
+}
+
+static inline
+const char *bt_graph_status_str(enum 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_NO_SINK:
+ return "BT_GRAPH_STATUS_NO_SINK";
+ 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) {
+ enum bt_graph_status graph_status = bt_private_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_private_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(
+ bt_private_graph_as_graph(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(
+ bt_private_graph_as_graph(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);
+