--- /dev/null
+/*
+ * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#include <lttng/action/action-internal.h>
+#include <lttng/action/notify-internal.h>
+#include <common/error.h>
+#include <assert.h>
+
+enum lttng_action_type lttng_action_get_type(struct lttng_action *action)
+{
+ return action ? action->type : LTTNG_ACTION_TYPE_UNKNOWN;
+}
+
+LTTNG_HIDDEN
+enum lttng_action_type lttng_action_get_type_const(
+ const struct lttng_action *action)
+{
+ return action->type;
+}
+
+void lttng_action_destroy(struct lttng_action *action)
+{
+ if (!action) {
+ return;
+ }
+
+ assert(action->destroy);
+ action->destroy(action);
+}
+
+LTTNG_HIDDEN
+bool lttng_action_validate(struct lttng_action *action)
+{
+ bool valid;
+
+ if (!action) {
+ valid = false;
+ goto end;
+ }
+
+ if (!action->validate) {
+ /* Sub-class guarantees that it can never be invalid. */
+ valid = true;
+ goto end;
+ }
+
+ valid = action->validate(action);
+end:
+ return valid;
+}
+
+LTTNG_HIDDEN
+int lttng_action_serialize(struct lttng_action *action,
+ struct lttng_dynamic_buffer *buf)
+{
+ int ret;
+ struct lttng_action_comm action_comm = {
+ .action_type = (int8_t) action->type,
+ };
+
+ ret = lttng_dynamic_buffer_append(buf, &action_comm,
+ sizeof(action_comm));
+ if (ret) {
+ goto end;
+ }
+
+ ret = action->serialize(action, buf);
+ if (ret) {
+ goto end;
+ }
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+ssize_t lttng_action_create_from_buffer(const struct lttng_buffer_view *view,
+ struct lttng_action **_action)
+{
+ ssize_t ret, action_size = sizeof(struct lttng_action_comm);
+ struct lttng_action *action;
+ const struct lttng_action_comm *action_comm;
+
+ if (!view || !_action) {
+ ret = -1;
+ goto end;
+ }
+
+ action_comm = (const struct lttng_action_comm *) view->data;
+ DBG("Deserializing action from buffer");
+ switch (action_comm->action_type) {
+ case LTTNG_ACTION_TYPE_NOTIFY:
+ action = lttng_action_notify_create();
+ break;
+ default:
+ ret = -1;
+ goto end;
+ }
+
+ if (!action) {
+ ret = -1;
+ goto end;
+ }
+ ret = action_size;
+ *_action = action;
+end:
+ return ret;
+}