Http 代理工具 实战 支持网页与QQ代理

         private   void  CloseSocket(Socket socket)
        {
            CloseSocket(socket,  true );
        }
         private   void  CloseSocket(Socket socket,  bool  shutdown)
        {
             if  (socket  !=   null )
            {
                 if  (shutdown)
                {
                    socket.Shutdown(SocketShutdown.Both);
                }
                socket.Close();
            }
        }

           #region  QQ发送/接收中转请求
              int  length  =   0 , count  =   0 ;
             if  (isConnect)
            {
                System.Threading.Thread.Sleep( 400 ); // 关键时延
                 // 循环发送客户端请求,接收服务器返回
                DateTime start  =  DateTime.Now;
                 while  ( true )
                {
                     if  (IPsocket.Available  ==   0   &&  clientSocket.Available  ==   0 )
                    {
                         if  (((TimeSpan)(DateTime.Now  -  start)).TotalMinutes  >   15 )
                        {
                             break ; // 掉线重拔处理
                        }
                    }
                     else
                    {
                        start  =  DateTime.Now;
                    }
                        
                    
                     try
                    {
                         while  (clientSocket.Available  !=   0 )
                        {
                            sendLength  =  clientSocket.Receive(qqSendBytes, qqSendBytes.Length,  0 );
                            IPsocket.Send(qqSendBytes, sendLength,  0 );
                            Write( " 发送字节数:  "   +  sendLength.ToString());
                        }

                        System.Threading.Thread.Sleep( 500 );
                         while  (IPsocket.Available  !=   0 )
                        {
                            recvLength  =  IPsocket.Receive(qqRecvBytes, qqRecvBytes.Length,  0 );
                            clientSocket.Send(qqRecvBytes, recvLength,  0 );
                            Write( " 接收字节数:  "   +  recvLength.ToString());
                        }
                    }
                     catch
                    {
                    }
                }
            }
             else
            {
                 try
                {
                     do
                    {
                        length  =  IPsocket.Receive(recvBytes, count, IPsocket.Available,  0 );
                        count  =  count  +  length;
                        Write( " 接收转发请求返回的数据中... "   +  length);
                        System.Threading.Thread.Sleep( 200 ); // 关键点,请求太快数据接收不全
                    }
                     while  (IPsocket.Available  >   0 );
                    clientSocket.Send(recvBytes,  0 , count,  0 );
                }
                 catch (Exception err)
                {
                    Write(err.Message);
                }
            }
             #endregion