Random Socket Code Example

gistfile1.cs

 public partial class Form1 : Form
    {
        private List<Socket> clients = new List<Socket>();
        private Thread listening_thread;
        private TcpListener listener;

        public Form1()
        {
            InitializeComponent();

            this.listening_thread = new Thread(new ThreadStart(this.ListeningThread));
            this.listening_thread.Start();
        }

        private void ListeningThread() // let's listen in another thread instead!!
        {
            int port = 12345; // change as required

            this.listener = new TcpListener(IPAddress.Any, port);

            try
            {
                this.listener.Start();
            }
            catch (Exception e) { MessageBox.Show("couldn't bind to port " + port + " -> " + e.Message); return; }

            while (true)
            {
                if (this.listener.Pending())
                    this.clients.Add(this.listener.AcceptSocket()); // won't block because pending was true

                foreach (Socket sock in this.clients)
                    if (sock.Poll(0, SelectMode.SelectError))
                        clients.Remove(sock);
                    else if (sock.Poll(0, SelectMode.SelectRead))
                        ParserFunction(sock);

                Thread.Sleep(30);
            }
        }

        private void ParserFunction(Socket sock)
        {

        }
    }