Add client notification API

[lttng-tools.git] / include / lttng / action / action-internal.h

diff --git a/include/lttng/action/action-internal.h b/include/lttng/action/action-internal.h
new file mode 100644 (file)
index 0000000..746b0a4
--- /dev/null
+++ b/include/lttng/action/action-internal.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef LTTNG_ACTION_INTERNAL_H
+#define LTTNG_ACTION_INTERNAL_H
+
+#include <lttng/action/action.h>
+#include <common/macros.h>
+#include <common/buffer-view.h>
+#include <stdbool.h>
+
+typedef bool (*action_validate_cb)(struct lttng_action *action);
+typedef void (*action_destroy_cb)(struct lttng_action *action);
+typedef ssize_t (*action_serialize_cb)(struct lttng_action *action, char *buf);
+
+struct lttng_action {
+       enum lttng_action_type type;
+       action_validate_cb validate;
+       action_serialize_cb serialize;
+       action_destroy_cb destroy;
+};
+
+struct lttng_action_comm {
+       /* enum lttng_action_type */
+       int8_t action_type;
+} LTTNG_PACKED;
+
+LTTNG_HIDDEN
+bool lttng_action_validate(struct lttng_action *action);
+
+LTTNG_HIDDEN
+ssize_t lttng_action_serialize(struct lttng_action *action, char *buf);
+
+LTTNG_HIDDEN
+ssize_t lttng_action_create_from_buffer(const struct lttng_buffer_view *view,
+               struct lttng_action **action);
+
+#endif /* LTTNG_ACTION_INTERNAL_H */