private void checkAndSetStatus(AsyncResult<String> result, Future<Void> start) {
ctr--;
if (result.failed()) {
start.fail(result.cause());
failed = true;
printError(result.cause());
} else if (ctr == 0) {
start.complete();
}
}
@Override
public void handle(AsyncResult<DatagramSocket> event) {
if (event.failed() && exceptionHandler != null) {
exceptionHandler.handle(event.cause());
}
}