socket tcp 通讯 示例

         private  void button1_Click( object sender, EventArgs e)
        {
            Socket srv =  new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            IPEndPoint ep =  new IPEndPoint(IPAddress.Any,  8080);
            srv.Bind(ep);
            srv.Listen( 100);

            Thread th =  new Thread( new ParameterizedThreadStart(GetConnection));
            th.IsBackground =  true;
            th.Start(srv);

            button1.Enabled =  false;
        }

         private  void GetConnection( object _srv)
        {
            Socket srv = (Socket)_srv;
             while ( true)
            {
                Socket client = srv.Accept();

                Thread th =  new Thread( new ParameterizedThreadStart(GetMesFromClient));
                th.IsBackground =  true;
                th.Start(client);
            }

        }

         private  void GetMesFromClient( object _client)
        {
            Socket client = (Socket)_client;
             while ( true)
            {
                 byte[] tmp =  new  byte[ 1024];
                 int len = client.Receive(tmp);
                 if (len ==  0)
                     break;

                 byte[] buffer =  new  byte[len];
                Array.Copy(tmp, buffer, len);

                 string mes = Encoding.Default.GetString(buffer);
                 int hd = client.Handle.ToInt32();
            }

             if (client !=  null)
            {
                client.Close();
            }
        }