+/*
+ * Regenerate the statedump of a session.
+ * Return 0 on success, a negative error code on error.
+ */
+int lttng_regenerate_statedump(const char *session_name)
+{
+ int ret;
+ struct lttcomm_session_msg lsm;
+
+ if (!session_name) {
+ ret = -LTTNG_ERR_INVALID;
+ goto end;
+ }
+
+ memset(&lsm, 0, sizeof(lsm));
+ lsm.cmd_type = LTTNG_REGENERATE_STATEDUMP;
+
+ lttng_ctl_copy_string(lsm.session.name, session_name,
+ sizeof(lsm.session.name));
+
+ ret = lttng_ctl_ask_sessiond(&lsm, NULL);
+ if (ret < 0) {
+ goto end;
+ }
+
+ ret = 0;
+end:
+ return ret;
+}
+
+int lttng_register_trigger(struct lttng_trigger *trigger)
+{
+ int ret;
+ struct lttcomm_session_msg lsm;
+ struct lttng_dynamic_buffer buffer;
+
+ lttng_dynamic_buffer_init(&buffer);
+ if (!trigger) {
+ ret = -LTTNG_ERR_INVALID;
+ goto end;
+ }
+
+ if (!lttng_trigger_validate(trigger)) {
+ ret = -LTTNG_ERR_INVALID_TRIGGER;
+ goto end;
+ }
+
+ ret = lttng_trigger_serialize(trigger, &buffer);
+ if (ret < 0) {
+ ret = -LTTNG_ERR_UNK;
+ goto end;
+ }
+
+ memset(&lsm, 0, sizeof(lsm));
+ lsm.cmd_type = LTTNG_REGISTER_TRIGGER;
+ lsm.u.trigger.length = (uint32_t) buffer.size;
+ ret = lttng_ctl_ask_sessiond_varlen_no_cmd_header(&lsm, buffer.data,
+ buffer.size, NULL);
+end:
+ lttng_dynamic_buffer_reset(&buffer);
+ return ret;
+}
+
+int lttng_unregister_trigger(struct lttng_trigger *trigger)
+{
+ int ret;
+ struct lttcomm_session_msg lsm;
+ struct lttng_dynamic_buffer buffer;
+
+ lttng_dynamic_buffer_init(&buffer);
+ if (!trigger) {
+ ret = -LTTNG_ERR_INVALID;
+ goto end;
+ }
+
+ if (!lttng_trigger_validate(trigger)) {
+ ret = -LTTNG_ERR_INVALID_TRIGGER;
+ goto end;
+ }
+
+ ret = lttng_trigger_serialize(trigger, &buffer);
+ if (ret < 0) {
+ ret = -LTTNG_ERR_UNK;
+ goto end;
+ }
+
+ memset(&lsm, 0, sizeof(lsm));
+ lsm.cmd_type = LTTNG_UNREGISTER_TRIGGER;
+ lsm.u.trigger.length = (uint32_t) buffer.size;
+ ret = lttng_ctl_ask_sessiond_varlen_no_cmd_header(&lsm, buffer.data,
+ buffer.size, NULL);
+end:
+ lttng_dynamic_buffer_reset(&buffer);
+ return ret;
+}
+