Add client notification API

[lttng-tools.git] / src / common / notify.c

diff --git a/src/common/notify.c b/src/common/notify.c
new file mode 100644 (file)
index 0000000..956c0ec
--- /dev/null
+++ b/src/common/notify.c
@@ -0,0 +1,49 @@
+/*
+ * 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
+ */
+
+#include <lttng/action/action-internal.h>
+#include <lttng/action/notify-internal.h>
+#include <common/macros.h>
+#include <assert.h>
+
+static
+void lttng_action_notify_destroy(struct lttng_action *action)
+{
+       free(action);
+}
+
+static
+ssize_t lttng_action_notify_serialize(struct lttng_action *action, char *buf)
+{
+       return 0;
+}
+
+struct lttng_action *lttng_action_notify_create(void)
+{
+       struct lttng_action_notify *notify;
+
+       notify = zmalloc(sizeof(struct lttng_action_notify));
+       if (!notify) {
+               goto end;
+       }
+
+       notify->parent.type = LTTNG_ACTION_TYPE_NOTIFY;
+       notify->parent.serialize = lttng_action_notify_serialize;
+       notify->parent.destroy = lttng_action_notify_destroy;
+end:
+       return &notify->parent;
+}