public class SocketServer

    {

        Socket sRecvPic;//接收图片的socket

        int recvPicPort;//接收图片端口        



        //建立本地socket，一直对1234端口进行侦听   

        public SocketServer(int recvPort)

        {

            recvPicPort = recvPort;

            IPEndPoint localEndPoint = new IPEndPoint(IPAddress.Any, recvPicPort);

            sRecvPic = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            sRecvPic.Bind(localEndPoint);

            sRecvPic.Listen(100);

        }



        public void thread()

        {

            while (true)

            {

                System.Threading.Thread.Sleep(1);//每个线程内部的死循环里面都要加个“短时间”睡眠，使得线程占用资源得到及时释放

                try

                {

                    Socket sRecvPicTemp = sRecvPic.Accept();//一直在等待socket请求，并建立一个和请求相同的socket,覆盖掉原来的socket                   

                    sRecvPicTemp.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, 5000); //设置接收数据超时                    

                    sRecvPicTemp.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, 5000);//设置发送数据超时                    

                    sRecvPicTemp.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendBuffer, 1024000);//设置发送缓冲区大小--1K大小                   

                    sRecvPicTemp.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveBuffer, 1024000); //设置接收缓冲区大小

         &n