private void sendLeaveRequest(PeerInfo pInfo)
{
listener.closeSocket();
IPEndPoint remotePoint = new IPEndPoint(IPAddress.Parse(pInfo.getIP()), pInfo.getPORT());
UDPResponder responder = new UDPResponder(remotePoint, myInfo.getPORT());
responder.sendRequestLeave(myInfo.getGUID);
}
