lib: add output port notification iterator

[babeltrace.git] / lib / graph / component-class-sink-colander.c

diff --git a/lib/graph/component-class-sink-colander.c b/lib/graph/component-class-sink-colander.c
index 0d83e5d3be22aed42802e5f99640eb3add7d0cda..0df9ed4e6016a0bf3a6c0e5abc783e3301a0a857 100644 (file)
--- a/lib/graph/component-class-sink-colander.c
+++ b/lib/graph/component-class-sink-colander.c
@@ -27,6 +27,7 @@
 #include <babeltrace/graph/private-component-sink.h>
 #include <babeltrace/graph/private-port.h>
 #include <babeltrace/graph/private-connection.h>
+#include <babeltrace/graph/component-class-sink-colander-internal.h>
 #include <glib.h>
 #include <assert.h>
 
@@ -35,6 +36,7 @@ struct bt_component_class *colander_comp_cls;
 
 struct colander_data {
        struct bt_notification **user_notif;
+       enum bt_notification_type *notif_types;
        struct bt_notification_iterator *notif_iter;
 };
 
@@ -45,6 +47,9 @@ enum bt_component_status colander_init(
 {
        enum bt_component_status status = BT_COMPONENT_STATUS_OK;
        struct colander_data *colander_data = NULL;
+       struct bt_component_class_sink_colander_data *user_provided_data =
+               init_method_data;
+       const enum bt_notification_type *notif_type;
 
        if (!init_method_data) {
                BT_LOGW_STR("Component initialization method data is NULL.");
@@ -59,7 +64,31 @@ enum bt_component_status colander_init(
                goto end;
        }
 
-       colander_data->user_notif = init_method_data;
+       colander_data->user_notif = user_provided_data->notification;
+
+       if (user_provided_data->notification_types) {
+               notif_type = user_provided_data->notification_types;
+               unsigned long count;
+
+               while (*notif_type != BT_NOTIFICATION_TYPE_SENTINEL) {
+                       notif_type++;
+               }
+
+               count = notif_type - user_provided_data->notification_types + 1;
+
+               colander_data->notif_types =
+                       g_new0(enum bt_notification_type, count);
+               if (!colander_data->notif_types) {
+                       BT_LOGE_STR("Failed to allocate an array of notification types.");
+                       status = BT_COMPONENT_STATUS_NOMEM;
+                       goto end;
+               }
+
+               memcpy(colander_data->notif_types,
+                       user_provided_data->notification_types,
+                       count * sizeof(enum bt_notification_type));
+       }
+
        status = bt_private_component_sink_add_input_private_port(
                priv_comp, "in", NULL, NULL);
        if (status != BT_COMPONENT_STATUS_OK) {
@@ -87,6 +116,7 @@ void colander_finalize(struct bt_private_component *priv_comp)
                bt_put(colander_data->notif_iter);
        }
 
+       g_free(colander_data->notif_types);
        g_free(colander_data);
 }
 
@@ -105,7 +135,8 @@ void colander_port_connected(struct bt_private_component *priv_comp,
        assert(colander_data);
        BT_PUT(colander_data->notif_iter);
        conn_status = bt_private_connection_create_notification_iterator(
-               priv_conn, NULL, &colander_data->notif_iter);
+               priv_conn, colander_data->notif_types,
+               &colander_data->notif_iter);
        if (conn_status) {
                BT_LOGE("Cannot create notification iterator from connection: "
                        "comp-addr=%p, conn-addr=%p", priv_comp, priv_conn);