lib: message API: add fast default clock class accessors

[babeltrace.git] / lib / graph / message / packet.c

diff --git a/lib/graph/message/packet.c b/lib/graph/message/packet.c
index a61999aedc16ec39354b697f3d8afcc6e9fac665..87c241e0e120c373ece2c4cd14be11906da84364 100644 (file)
--- a/lib/graph/message/packet.c
+++ b/lib/graph/message/packet.c
@@ -323,3 +323,32 @@ bt_message_packet_end_borrow_default_clock_snapshot_const(
        return borrow_packet_message_default_clock_snapshot_const(
                msg, snapshot);
 }
+
+static inline
+const struct bt_clock_class *
+borrow_packet_message_stream_class_default_clock_class(
+               const struct bt_message *msg)
+{
+       struct bt_message_packet *packet_msg = (void *) msg;
+
+       BT_ASSERT(msg);
+       return packet_msg->packet->stream->class->default_clock_class;
+}
+
+const struct bt_clock_class *
+bt_message_packet_beginning_borrow_stream_class_default_clock_class_const(
+               const struct bt_message *msg)
+{
+       BT_ASSERT_PRE_NON_NULL(msg, "Message");
+       BT_ASSERT_PRE_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_PACKET_BEGINNING);
+       return borrow_packet_message_stream_class_default_clock_class(msg);
+}
+
+const struct bt_clock_class *
+bt_message_packet_end_borrow_stream_class_default_clock_class_const(
+               const struct bt_message *msg)
+{
+       BT_ASSERT_PRE_NON_NULL(msg, "Message");
+       BT_ASSERT_PRE_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_PACKET_END);
+       return borrow_packet_message_stream_class_default_clock_class(msg);
+}