+ chunk_status = lttng_trace_chunk_get_name(chunk, &chunk_name,
+ &chunk_name_overridden);
+ if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK &&
+ chunk_status != LTTNG_TRACE_CHUNK_STATUS_NONE) {
+ ERR("Failed to get name of trace chunk");
+ ret = -LTTNG_ERR_FATAL;
+ goto error;
+ }
+ if (chunk_name_overridden) {
+ ret = lttng_strncpy(msg.u.create_trace_chunk.override_name,
+ chunk_name,
+ sizeof(msg.u.create_trace_chunk.override_name));
+ if (ret) {
+ ERR("Trace chunk name \"%s\" exceeds the maximal length allowed by the consumer protocol",
+ chunk_name);
+ ret = -LTTNG_ERR_FATAL;
+ goto error;
+ }
+ }
+
+ chunk_status = lttng_trace_chunk_get_creation_timestamp(chunk,
+ &creation_timestamp);
+ if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) {
+ ret = -LTTNG_ERR_FATAL;
+ goto error;
+ }
+ msg.u.create_trace_chunk.creation_timestamp =
+ (uint64_t) creation_timestamp;
+ /* Only used for logging purposes. */
+ ret = time_to_iso8601_str(creation_timestamp,
+ creation_timestamp_buffer,
+ sizeof(creation_timestamp_buffer));
+ creation_timestamp_str = !ret ? creation_timestamp_buffer :
+ "(formatting error)";
+
+ chunk_status = lttng_trace_chunk_get_id(chunk, &chunk_id);
+ if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) {
+ /*
+ * Anonymous trace chunks should never be transmitted
+ * to remote peers (consumerd and relayd). They are used
+ * internally for backward-compatibility purposes.
+ */
+ ret = -LTTNG_ERR_FATAL;
+ goto error;
+ }
+ msg.u.create_trace_chunk.chunk_id = chunk_id;
+
+ if (chunk_has_local_output) {
+ chunk_status = lttng_trace_chunk_borrow_chunk_directory_handle(
+ chunk, &chunk_directory_handle);
+ if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) {
+ ret = -LTTNG_ERR_FATAL;
+ goto error;
+ }
+ chunk_status = lttng_trace_chunk_get_credentials(
+ chunk, &chunk_credentials);
+ if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) {
+ /*
+ * Not associating credentials to a sessiond chunk is a
+ * fatal internal error.
+ */
+ ret = -LTTNG_ERR_FATAL;
+ goto error;
+ }
+ ret = lttng_directory_handle_create_subdirectory_as_user(
+ chunk_directory_handle,
+ domain_subdir,
+ S_IRWXU | S_IRWXG,
+ &chunk_credentials);
+ if (ret) {
+ PERROR("Failed to create chunk domain output directory \"%s\"",
+ domain_subdir);
+ ret = -LTTNG_ERR_FATAL;
+ goto error;
+ }
+ domain_handle = lttng_directory_handle_create_from_handle(
+ domain_subdir,
+ chunk_directory_handle);
+ if (!domain_handle) {
+ ret = -LTTNG_ERR_FATAL;
+ goto error;
+ }