Ejemplo n.º 1
0
        private void AcceptCallback(IAsyncResult ar)
        {
            Socket sktActive = null;

            try
            {
                var state = (Tuple <Socket, EventWaitHandle>)ar.AsyncState;
                state.Item2.Set();
                sktActive = state.Item1.EndAccept(ar);
            }
            catch (ObjectDisposedException)
            {
                // Accept has been cancelled.
                return;
            }

            try
            {
                // 安全验证
                //if (!m_confirm.Confirm(sktActive))
                //{
                //	sktActive.Close();
                //	return;
                //}

                Socket sktPassive = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
                sktPassive.Connect(m_epDest);

                SocketRelay relay = new SocketRelay(sktActive, sktPassive);
                relay.OnFinished += OnSocketRelayFinished;
                relay.Run();
                lock (m_listSR) m_listSR.Add(relay);
            }
            catch (SocketException ex)
            {
                string strbuf = String.Format("{0}({1})", ex.Message, ex.ErrorCode);
                byte[] buf    = Encoding.Default.GetBytes(strbuf);
                sktActive.Send(buf);

                sktActive.Shutdown(SocketShutdown.Both);
                sktActive.Close();
            }
        }