/// <summary>
 /// handshake for connect
 /// </summary>
 protected void sendHandShake()
 {
     try
     {
         ConnectionHandshake handshake = new ConnectionHandshake();
         handshake.setConnectionType(ConnectionHandshake.CONNECTION_TYPE_REGULAR);
         handshake.setSocketType(ConnectionHandshake.SOCKET_TYPE_DGRAM);
         long initialSequenceNo = SequenceNumber.random();
         setInitialSequenceNumber(initialSequenceNo);
         handshake.setInitialSeqNo(initialSequenceNo);
         handshake.setPacketSize(getDatagramSize());
         handshake.setSocketID(mySocketID);
         handshake.setMaxFlowWndSize(flowWindowSize);
         handshake.setSession(this);
         Log.Write(this.ToString(), "Sending " + handshake);
         endPoint.doSend(handshake);
     }
     catch (Exception exc)
     {
         Log.Write(this.ToString(), exc);
     }
 }