From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Wed, 1 Mar 2017 03:01:18 +0000 (-0500)
Subject: Add deserialization of action object
X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=commitdiff_plain;h=b01b8a99f19c091ba719b8d51a3cd3eec44e93b5

Add deserialization of action object

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/include/lttng/action/action-internal.h b/include/lttng/action/action-internal.h
index 57a804d14..1ed585d68 100644
--- a/include/lttng/action/action-internal.h
+++ b/include/lttng/action/action-internal.h
@@ -44,4 +44,8 @@ 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 char *buf,
+		struct lttng_action **action);
+
 #endif /* LTTNG_ACTION_INTERNAL_H */
diff --git a/src/lib/lttng-ctl/action.c b/src/lib/lttng-ctl/action.c
index a97a3463f..7deb509e3 100644
--- a/src/lib/lttng-ctl/action.c
+++ b/src/lib/lttng-ctl/action.c
@@ -16,6 +16,7 @@
  */
 
 #include <lttng/action/action-internal.h>
+#include <lttng/action/notify-internal.h>
 #include <assert.h>
 
 enum lttng_action_type lttng_action_get_type(struct lttng_action *action)
@@ -81,3 +82,36 @@ ssize_t lttng_action_serialize(struct lttng_action *action, char *buf)
 end:
 	return ret;
 }
+
+LTTNG_HIDDEN
+ssize_t lttng_action_create_from_buffer(const char *buf,
+		struct lttng_action **_action)
+{
+	ssize_t ret, action_size = sizeof(struct lttng_action_comm);
+	struct lttng_action *action;
+	struct lttng_action_comm *action_comm =
+			(struct lttng_action_comm *) buf;
+
+	if (!buf || !_action) {
+		ret = -1;
+		goto end;
+	}
+
+	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;
+}