+ case LTTNG_REGISTER_TRIGGER:
+ {
+ ret = cmd_register_trigger(cmd_ctx, sock,
+ notification_thread_handle);
+ break;
+ }
+ case LTTNG_UNREGISTER_TRIGGER:
+ {
+ ret = cmd_unregister_trigger(cmd_ctx, sock,
+ notification_thread_handle);
+ break;
+ }
+ case LTTNG_ROTATE_SESSION:
+ {
+ struct lttng_rotate_session_return rotate_return;
+
+ DBG("Client rotate session \"%s\"", cmd_ctx->session->name);
+
+ memset(&rotate_return, 0, sizeof(rotate_return));
+ if (cmd_ctx->session->kernel_session && !check_rotate_compatible()) {
+ DBG("Kernel tracer version is not compatible with the rotation feature");
+ ret = LTTNG_ERR_ROTATION_WRONG_VERSION;
+ goto error;
+ }
+
+ ret = cmd_rotate_session(cmd_ctx->session, &rotate_return);
+ if (ret < 0) {
+ ret = -ret;
+ goto error;
+ }
+
+ ret = setup_lttng_msg_no_cmd_header(cmd_ctx, &rotate_return,
+ sizeof(rotate_return));
+ if (ret < 0) {
+ ret = -ret;
+ goto error;
+ }
+
+ ret = LTTNG_OK;
+ break;
+ }
+ case LTTNG_ROTATION_GET_INFO:
+ {
+ struct lttng_rotation_get_info_return get_info_return;
+
+ memset(&get_info_return, 0, sizeof(get_info_return));
+ ret = cmd_rotate_get_info(cmd_ctx->session, &get_info_return,
+ cmd_ctx->lsm->u.get_rotation_info.rotation_id);
+ if (ret < 0) {
+ ret = -ret;
+ goto error;
+ }
+
+ ret = setup_lttng_msg_no_cmd_header(cmd_ctx, &get_info_return,
+ sizeof(get_info_return));
+ if (ret < 0) {
+ ret = -ret;
+ goto error;
+ }
+
+ ret = LTTNG_OK;
+ break;
+ }
+ case LTTNG_SESSION_GET_CURRENT_OUTPUT:
+ {
+ struct lttng_session_get_current_output_return output_return;
+
+ memset(&output_return, 0, sizeof(output_return));
+ ret = cmd_session_get_current_output(cmd_ctx->session,
+ &output_return);
+ if (ret < 0) {
+ ret = -ret;
+ goto error;
+ }
+
+ ret = setup_lttng_msg_no_cmd_header(cmd_ctx, &output_return,
+ sizeof(output_return));
+ if (ret < 0) {
+ ret = -ret;
+ goto error;
+ }
+
+ ret = LTTNG_OK;
+ break;
+ }
+ case LTTNG_ROTATION_SET_SCHEDULE:
+ {
+ if (cmd_ctx->session->kernel_session && !check_rotate_compatible()) {
+ DBG("Kernel tracer version does not support session rotations");
+ ret = LTTNG_ERR_ROTATION_WRONG_VERSION;
+ goto error;
+ }
+
+ ret = cmd_rotation_set_schedule(cmd_ctx->session,
+ cmd_ctx->lsm->u.rotate_setup.timer_us,
+ cmd_ctx->lsm->u.rotate_setup.size,
+ notification_thread_handle);
+ if (ret != LTTNG_OK) {
+ goto error;
+ }
+
+ break;
+ }
+ case LTTNG_ROTATION_SCHEDULE_GET_TIMER_PERIOD:
+ {
+ struct lttng_rotation_schedule_get_timer_period *get_timer;
+
+ get_timer = zmalloc(sizeof(struct lttng_rotation_schedule_get_timer_period));
+ if (!get_timer) {
+ ret = ENOMEM;
+ goto error;
+ }
+ get_timer->rotate_timer = cmd_ctx->session->rotate_timer_period;
+
+ ret = setup_lttng_msg_no_cmd_header(cmd_ctx, get_timer,
+ sizeof(struct lttng_rotation_schedule_get_timer_period));
+ free(get_timer);
+ if (ret < 0) {
+ ret = -ret;
+ goto error;
+ }
+
+ ret = LTTNG_OK;
+ break;
+ }
+ case LTTNG_ROTATION_SCHEDULE_GET_SIZE:
+ {
+ struct lttng_rotation_schedule_get_size *get_size;
+
+ get_size = zmalloc(sizeof(struct lttng_rotation_schedule_get_size));
+ if (!get_size) {
+ ret = ENOMEM;
+ goto error;
+ }
+ get_size->rotate_size = cmd_ctx->session->rotate_size;
+
+ ret = setup_lttng_msg_no_cmd_header(cmd_ctx, get_size,
+ sizeof(struct lttng_rotation_schedule_get_size));
+ free(get_size);
+ if (ret < 0) {
+ ret = -ret;
+ goto error;
+ }
+
+ ret = LTTNG_OK;
+ break;
+ }