api->watch_new(api, 0, AVAHI_WATCH_IN, callback, NULL);
avahi_elapse_time(&tv, 1000, 0);
api->timeout_new(api, &tv, wakeup, NULL);
api->watch_new(api, 0, AVAHI_WATCH_IN, callback, NULL);
avahi_elapse_time(&tv, 1000, 0);
api->timeout_new(api, &tv, wakeup, NULL);