+ dbus_error_init(&error);
+
+ /* log_debug("Got D-Bus request: %s.%s() on %s", */
+ /* dbus_message_get_interface(message), */
+ /* dbus_message_get_member(message), */
+ /* dbus_message_get_path(message)); */
+
+ if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
+ log_error("Warning! API D-Bus connection terminated.");
+ bus_done_api(m);
+
+ } else if (dbus_message_is_signal(message, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
+ const char *name, *old, *new;
+
+ if (!dbus_message_get_args(message, &error,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &old,
+ DBUS_TYPE_STRING, &new,
+ DBUS_TYPE_INVALID))
+ log_error("Failed to parse NameOwnerChanged message: %s", error.message);
+ else {
+ if (set_remove(m->subscribed, (char*) name))
+ log_debug("Subscription client vanished: %s (left: %u)", name, set_size(m->subscribed));
+ }
+ }
+
+ dbus_error_free(&error);
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+static DBusHandlerResult system_bus_message_filter(DBusConnection *connection, DBusMessage *message, void *data) {
+ Manager *m = data;
+ DBusError error;
+
+ assert(connection);
+ assert(message);
+ assert(m);
+
+ dbus_error_init(&error);
+
+ /* log_debug("Got D-Bus request: %s.%s() on %s", */
+ /* dbus_message_get_interface(message), */
+ /* dbus_message_get_member(message), */
+ /* dbus_message_get_path(message)); */
+
+ if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
+ log_error("Warning! System D-Bus connection terminated.");
+ bus_done_system(m);
+
+ } if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Agent", "Released")) {
+ const char *cgroup;
+
+ if (!dbus_message_get_args(message, &error,
+ DBUS_TYPE_STRING, &cgroup,
+ DBUS_TYPE_INVALID))
+ log_error("Failed to parse Released message: %s", error.message);
+ else
+ cgroup_notify_empty(m, cgroup);
+ }
+
+ dbus_error_free(&error);
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+unsigned bus_dispatch(Manager *m) {
+ assert(m);
+
+ if (m->request_api_bus_dispatch) {
+ if (dbus_connection_dispatch(m->api_bus) == DBUS_DISPATCH_COMPLETE)
+ m->request_api_bus_dispatch = false;
+
+ return 1;
+ }
+
+ if (m->request_system_bus_dispatch) {
+ if (dbus_connection_dispatch(m->system_bus) == DBUS_DISPATCH_COMPLETE)
+ m->request_system_bus_dispatch = false;
+
+ return 1;
+ }
+
+ return 0;
+}
+
+static void pending_cb(DBusPendingCall *pending, void *userdata) {
+ DBusMessage *reply;
+ DBusError error;
+
+ dbus_error_init(&error);
+
+ assert_se(reply = dbus_pending_call_steal_reply(pending));
+
+ switch (dbus_message_get_type(reply)) {
+
+ case DBUS_MESSAGE_TYPE_ERROR:
+
+ assert_se(dbus_set_error_from_message(&error, reply));
+ log_warning("RequestName() failed: %s", error.message);
+ break;
+
+ case DBUS_MESSAGE_TYPE_METHOD_RETURN: {
+ uint32_t r;
+
+ if (!dbus_message_get_args(reply,
+ &error,
+ DBUS_TYPE_UINT32, &r,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse RequestName() reply: %s", error.message);
+ break;
+ }
+
+ if (r == 1)
+ log_debug("Successfully acquired name.");
+ else
+ log_error("Name already owned.");
+
+ break;
+ }
+
+ default:
+ assert_not_reached("Invalid reply message");
+ }
+
+ dbus_message_unref(reply);
+ dbus_error_free(&error);