-static int simple_method_call(AvahiClient *client, const char *path, const char *interface, const char *method) {
- DBusMessage *message = NULL, *reply = NULL;
- DBusError error;
- int r = AVAHI_OK;
-
- dbus_error_init(&error);
-
- assert(client);
- assert(path);
- assert(interface);
- assert(method);
-
- if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, path, interface, method))) {
- r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
- dbus_error_is_set (&error)) {
- r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error)) {
- r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- return AVAHI_OK;
-
-fail:
- if (dbus_error_is_set(&error)) {
- r = avahi_client_set_dbus_error(client, &error);
- dbus_error_free(&error);
- }
-
- if (message)
- dbus_message_unref(message);
-
- if (reply)
- dbus_message_unref(reply);
-
- return r;
-}
-