@Override
 public void notifySentMessageSize(long l) {
   super.notifySentMessageSize(l);
   if (l > 0) {
     view.notifyMessageSize(l, !listener);
   }
 }
 @Override
 public void notifyReceivedMessageSize(long l) {
   super.notifyReceivedMessageSize(l);
   if (l > 0) {
     view.notifyMessageSize(l, listener);
   }
 }
 public int getActiveConnectionCount() {
   return view.getActiveConnections();
 }
 public void disconnected() {
   view.disconnected();
 }
 public void connected() {
   view.connected();
 }
 public void destroy() {
   view.destroy();
 }