- case LTTNG_LIST_TRACKER_IDS:
- {
- struct lttcomm_tracker_command_header cmd_header;
- struct lttng_tracker_ids *ids = NULL;
- enum lttng_tracker_id_status status;
- unsigned int nr_ids;
- struct lttng_dynamic_buffer buf;
-
- ret = cmd_list_tracker_ids(
- cmd_ctx->lsm->u.id_tracker.tracker_type,
- cmd_ctx->session, cmd_ctx->lsm->domain.type,
- &ids);
- if (ret != LTTNG_OK) {
- goto error;
- }
-
- lttng_dynamic_buffer_init(&buf);
-
- status = lttng_tracker_ids_get_count(ids, &nr_ids);
- if (status != LTTNG_TRACKER_ID_STATUS_OK) {
- ret = -LTTNG_ERR_INVALID;
- goto error_list_tracker;
- }
-
- cmd_header.nb_tracker_id = nr_ids;
-
- ret = lttng_tracker_ids_serialize(ids, &buf);
- if (ret < 0) {
- goto error_list_tracker;
- }
-
- ret = setup_lttng_msg(cmd_ctx, buf.data, buf.size, &cmd_header,
- sizeof(cmd_header));
- error_list_tracker:
- lttng_tracker_ids_destroy(ids);
- lttng_dynamic_buffer_reset(&buf);
- if (ret < 0) {
- goto error;
- }
-
- ret = LTTNG_OK;
- break;
- }