lib: add output port notification iterator

[babeltrace.git] / include / babeltrace / graph / notification-iterator-internal.h

diff --git a/include/babeltrace/graph/notification-iterator-internal.h b/include/babeltrace/graph/notification-iterator-internal.h
index d69ea117c13647c4ffc80ae4779605f89d854c95..fd3dd4f30ec0134f140ca1491e8967d6ca288947 100644 (file)
--- a/include/babeltrace/graph/notification-iterator-internal.h
+++ b/include/babeltrace/graph/notification-iterator-internal.h
@@ -35,11 +35,14 @@
 #include <babeltrace/graph/private-connection-private-notification-iterator.h>
 #include <babeltrace/types.h>
 #include <stdbool.h>
+#include <assert.h>
 
 struct bt_port;
+struct bt_graph;
 
 enum bt_notification_iterator_type {
        BT_NOTIFICATION_ITERATOR_TYPE_PRIVATE_CONNECTION,
+       BT_NOTIFICATION_ITERATOR_TYPE_OUTPUT_PORT,
 };
 
 enum bt_private_connection_notification_iterator_notif_type {
@@ -84,6 +87,7 @@ enum bt_private_connection_notification_iterator_state {
 struct bt_notification_iterator {
        struct bt_object base;
        enum bt_notification_iterator_type type;
+       struct bt_notification *current_notification; /* owned by this */
 };
 
 struct bt_notification_iterator_private_connection {
@@ -91,7 +95,6 @@ struct bt_notification_iterator_private_connection {
        struct bt_component *upstream_component; /* Weak */
        struct bt_port *upstream_port; /* Weak */
        struct bt_connection *connection; /* Weak */
-       struct bt_notification *current_notification; /* owned by this */
        GQueue *queue; /* struct bt_notification * (owned by this) */
 
        /*
@@ -133,6 +136,31 @@ struct bt_notification_iterator_private_connection {
        void *user_data;
 };
 
+struct bt_notification_iterator_output_port {
+       struct bt_notification_iterator base;
+       struct bt_graph *graph; /* Owned by this */
+       struct bt_component *colander; /* Owned by this */
+       struct bt_port *output_port; /* Owned by this */
+};
+
+static inline
+struct bt_notification *bt_notification_iterator_borrow_current_notification(
+               struct bt_notification_iterator *iterator)
+{
+       assert(iterator);
+       return iterator->current_notification;
+}
+
+static inline
+void bt_notification_iterator_replace_current_notification(
+               struct bt_notification_iterator *iterator,
+               struct bt_notification *notification)
+{
+       assert(iterator);
+       bt_put(iterator->current_notification);
+       iterator->current_notification = bt_get(notification);
+}
+
 static inline
 struct bt_notification_iterator_private_connection *
 bt_private_connection_notification_iterator_from_private(