{
struct bt_connection *connection = container_of(obj,
struct bt_connection, base);
- size_t i;
BT_LOGD("Destroying connection: addr=%p", connection);
* Because connections are destroyed before components within a
* graph, this ensures that notification iterators are always
* finalized before their upstream component.
+ *
+ * Ending the connection does exactly this. We pass `false` to
+ * bt_connection_end() here to avoid removing this connection
+ * from the graph: if we're here, we're already in the graph's
+ * destructor.
*/
- if (connection->iterators) {
- for (i = 0; i < connection->iterators->len; i++) {
- struct bt_notification_iterator *iterator =
- g_ptr_array_index(connection->iterators, i);
-
- BT_LOGD("Finalizing notification iterator created by this connection: "
- "iter-addr=%p", iterator);
- bt_notification_iterator_finalize(iterator);
-
- /*
- * Make sure this iterator does not try to
- * remove itself from this connection's
- * iterators on destruction because this
- * connection won't exist anymore.
- */
- bt_notification_iterator_set_connection(iterator,
- NULL);
- }
-
- g_ptr_array_free(connection->iterators, TRUE);
- }
+ bt_connection_end(connection, false);
+ g_ptr_array_free(connection->iterators, TRUE);
/*
- * No bt_put on ports as a connection only holds _weak_ references
- * to them.
+ * No bt_put on ports as a connection only holds _weak_
+ * references to them.
*/
g_free(connection);
}
}
BT_HIDDEN
-void bt_connection_disconnect_ports(struct bt_connection *conn)
+void bt_connection_end(struct bt_connection *conn,
+ bool try_remove_from_graph)
{
struct bt_component *downstream_comp = NULL;
struct bt_component *upstream_comp = NULL;
struct bt_port *downstream_port = conn->downstream_port;
struct bt_port *upstream_port = conn->upstream_port;
- struct bt_graph *graph = (void *) bt_object_borrow_parent(conn);
+ struct bt_graph *graph = bt_connection_borrow_graph(conn);
size_t i;
+ BT_LOGD("Ending connection: conn-addr=%p, try-remove-from-graph=%d",
+ conn, try_remove_from_graph);
+
if (downstream_port) {
+ BT_LOGD("Disconnecting connection's downstream port: "
+ "port-addr=%p, port-name=\"%s\"",
+ downstream_port, bt_port_get_name(downstream_port));
downstream_comp = bt_port_get_component(downstream_port);
bt_port_set_connection(downstream_port, NULL);
conn->downstream_port = NULL;
}
if (upstream_port) {
+ BT_LOGD("Disconnecting connection's upstream port: "
+ "port-addr=%p, port-name=\"%s\"",
+ upstream_port, bt_port_get_name(upstream_port));
upstream_comp = bt_port_get_component(upstream_port);
bt_port_set_connection(upstream_port, NULL);
conn->upstream_port = NULL;
}
g_ptr_array_set_size(conn->iterators, 0);
- bt_connection_try_remove_from_graph(conn);
+
+ if (try_remove_from_graph) {
+ bt_connection_try_remove_from_graph(conn);
+ }
}
struct bt_port *bt_connection_get_upstream_port(
goto end;
}
- if (!notification_types) {
- BT_LOGD_STR("No notification types: subscribing to all notifications.");
- notification_types = all_notif_types;
+ connection = bt_connection_from_private(private_connection);
+
+ if (bt_graph_is_canceled(bt_connection_borrow_graph(connection))) {
+ BT_LOGW("Cannot create notification iterator from connection: "
+ "connection's graph is canceled: "
+ "conn-addr=%p, upstream-port-addr=%p, "
+ "upstream-port-name=\"%s\", upstream-comp-addr=%p, "
+ "upstream-comp-name=\"%s\", graph-addr=%p",
+ connection, connection->upstream_port,
+ bt_port_get_name(connection->upstream_port),
+ upstream_component,
+ bt_component_get_name(upstream_component),
+ bt_connection_borrow_graph(connection));
+ status = BT_CONNECTION_STATUS_GRAPH_IS_CANCELED;
+ goto end;
}
- connection = bt_connection_from_private(private_connection);
if (bt_connection_is_ended(connection)) {
BT_LOGW("Invalid parameter: connection is ended: "
"conn-addr=%p", connection);
goto end;
}
+ if (!notification_types) {
+ BT_LOGD_STR("No notification types: subscribing to all notifications.");
+ notification_types = all_notif_types;
+ }
+
upstream_port = connection->upstream_port;
assert(upstream_port);
upstream_component = bt_port_get_component(upstream_port);