套接字应用程序

Question

我的软件由两部分组成。其中一个是客户端，我可以通过以太网在路由器上连接我的设备，我可以发送命令（数据）然后我开始等待从我的设备得到响应，但我无法弄清楚我怎么能得到响应，尽管事实上，我一直在寻找类似的套接字应用程序。我已经学习了2年的c＃。你能帮我解决一下这个话题吗？

如果你能帮助我，我会非常高兴你。

namespace sencron_socket
{
    class Program
    {
        static Socket sck;
        static Socket scks;
        static byte[] Buffer { get; set; }

    static void Main(string[] args)
    {
        sck = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

        IPEndPoint localendpoint = new IPEndPoint(IPAddress.Parse("172.16.204.101"), 50007); //50007  bidirectional interface The event 


        try
        {
            sck.Connect(localendpoint);

            if (sck.Poll(-1, SelectMode.SelectWrite))
            {
                Console.WriteLine("this socket is writable");
            }

            else if (sck.Poll(-1, SelectMode.SelectError))
            {
                Console.WriteLine("this socket has an error");
            }
        }
        catch
        {
            Console.Write(" unable ");
            Main(args);
        }




        Console.Write("enter text:  ");
        string text = Console.ReadLine();
        byte[] data = Encoding.ASCII.GetBytes(text);

        sck.Send(data);
        Console.Write(" data sent! \r\n   ");
        //Console.Write(" press ant key to continue  ");

       // Console.Read();
        sck.Close();

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

           scks.Bind(new IPEndPoint(IPAddress.Parse("172.16.204.104"),0));

           scks.Listen(1);

             Console.Write(" it is ok until this step ");

          // ???????????????????????????????????????????????????????
           // i think that my problem starts next line with Accept()  


             Socket accepted = scks.Accept();
             Console.Write(" BURDA 222 \r\n");
             IPEndPoint remoteEndPoint = (IPEndPoint)accepted.RemoteEndPoint;

             Buffer = new byte[accepted.SendBufferSize];
             int bytesRead = accepted.Receive(Buffer);
             byte[] formatted = new byte[bytesRead];

            /* for (int i = 0; i < bytesRead; i++)
             {
                 formatted[i] = Buffer[i];
             }*/

             Console.Write(" BURDA 3333 ");
             string strData = Encoding.ASCII.GetString(formatted);
             Console.Write(strData + "\r\n");

             scks.Close();
             accepted.Close();

             Console.Read();


    }
}
}