+ if (msg.u.close_trace_chunk.close_command.is_set) {
+ close_command_name = lttng_trace_chunk_command_type_get_name(
+ close_command);
+ }
+ DBG("Sending consumer close trace chunk command: relayd_id = %" PRId64
+ ", session_id = %" PRIu64 ", chunk_id = %" PRIu64
+ ", close command = \"%s\"",
+ relayd_id, session_id, chunk_id, close_command_name);
+
+ health_code_update();
+ ret = consumer_socket_send(socket, &msg, sizeof(struct lttcomm_consumer_msg));
+ if (ret < 0) {
+ ret = -LTTNG_ERR_CLOSE_TRACE_CHUNK_FAIL_CONSUMER;
+ goto error;
+ }
+ ret = consumer_socket_recv(socket, &reply, sizeof(reply));
+ if (ret < 0) {
+ ret = -LTTNG_ERR_CLOSE_TRACE_CHUNK_FAIL_CONSUMER;
+ goto error;
+ }
+ if (reply.path_length >= LTTNG_PATH_MAX) {
+ ERR("Invalid path returned by relay daemon: %" PRIu32 "bytes exceeds maximal allowed length of %d bytes",
+ reply.path_length, LTTNG_PATH_MAX);
+ ret = -LTTNG_ERR_INVALID_PROTOCOL;
+ goto error;
+ }
+ ret = lttng_dynamic_buffer_set_size(&path_reception_buffer,
+ reply.path_length);
+ if (ret) {
+ ERR("Failed to allocate reception buffer of path returned by the \"close trace chunk\" command");
+ ret = -LTTNG_ERR_NOMEM;
+ goto error;
+ }
+ ret = consumer_socket_recv(socket, path_reception_buffer.data,
+ path_reception_buffer.size);
+ if (ret < 0) {
+ ERR("Communication error while receiving path of closed trace chunk");
+ ret = -LTTNG_ERR_CLOSE_TRACE_CHUNK_FAIL_CONSUMER;
+ goto error;
+ }
+ if (path_reception_buffer.data[path_reception_buffer.size - 1] != '\0') {
+ ERR("Invalid path returned by relay daemon: not null-terminated");
+ ret = -LTTNG_ERR_INVALID_PROTOCOL;
+ goto error;
+ }
+ if (closed_trace_chunk_path) {
+ /*
+ * closed_trace_chunk_path is assumed to have a length >=
+ * LTTNG_PATH_MAX
+ */
+ memcpy(closed_trace_chunk_path, path_reception_buffer.data,
+ path_reception_buffer.size);
+ }