using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net.Sockets;
using System.Net;
namespace Serwer
{///////////////////////////////////// S E R W E R //////////////
    class Program
    {


     private static TcpListener tcpLsn;

    private static Socket s;


    private static void slij(string mess)
    {

        Byte[] byteData = Encoding.ASCII.GetBytes(mess.ToCharArray());
        s.Send(byteData, byteData.Length, 0);

    }


    static void serwuj()
    {
        tcpLsn = new TcpListener(IPAddress.Parse("127.0.0.1"), 2222);
        tcpLsn.Start();
        Socket sckt = tcpLsn.AcceptSocket();

        Byte[] odebraneBajty = new Byte[100];
        int ret = sckt.Receive(odebraneBajty, odebraneBajty.Length, 0);
        string tmp = null;
        tmp = System.Text.Encoding.ASCII.GetString(odebraneBajty);

      for(;;)
          try
          {

              if (tmp.Length > 0 || tmp != "quit")
              {
                  Console.WriteLine("odebrano komunikat");
                  Console.WriteLine(tmp);
                  String Cope;
                  Cope = Console.ReadLine();

                  if (Cope != "w")
                  {
                      String eko;
                      Console.WriteLine("Wyslij komunikat do klienta");
                      eko = Console.ReadLine();
                      slij(eko);

                      Console.WriteLine("Wysłano do klienta");

                      Console.ReadKey();
                  }
              }
          }

          catch
          {
              Environment.Exit(0);
          }

        tcpLsn.Stop();

    }

            static void Main(string[] args)
        {
            Console.WriteLine("Startuje serwer....");

                serwuj();

        }



    }














}