using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Collections;
public class UdpSrvrSample
{
   static BitArray ProtocolBuilder(string operation,string response,string idref)
   {
        int pom1 = 0, pom2 = 0, pom3 = 0;
       BitArray c = new BitArray(24);
        BitArray g = new BitArray(24);
        for(int i=0;i<c.Length;i++)
        {
            if(i<=5)
            {
                if (operation[pom1] == '0')
                    c[i] = false;
                else
                    c[i] = true;
                pom1++;
            }   
            if(i>5 && i<=9)
            {
                if (response[pom2] == '0')
                    c[i] = false;
                else
                    c[i] = true;
                pom2++;
            }
            if(i>9 && i<=17)
            {
                if (idref[pom3] == '0')
                    c[i] = false;
                else
                    c[i] = true;
                pom3++;
            }
            if (i > 17)
                c[i] = false;
        }
        for (int i = 0; i < c.Length; i++)
        {
            g[g.Length - i-1] = c[i];
        }
        Console.Write("\n");
        return g;
   }
 
    public static void Main()
    {
        byte[] data = new byte[3];
        BitArray HGH; 
        HGH = ProtocolBuilder("110011", "1011", "01011010");//pole operacji, pole odpowiedzi, pole identyfikatora
        byte[] bytes = new byte[3];
        HGH.CopyTo(bytes, 0);
        Array.Reverse(bytes, 0, bytes.Length);
        IPEndPoint ipep = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 9050);
        UdpClient newsock = new UdpClient(ipep);

        Console.WriteLine("Waiting for a client...");

        IPEndPoint sender = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 0);

        data = newsock.Receive(ref sender);
        newsock.Send(bytes,bytes.Length, sender);

        while (true)
        {
            data = newsock.Receive(ref sender);

            Console.WriteLine(Encoding.ASCII.GetString(data, 0, data.Length));
            newsock.Send(data, data.Length, sender);
        }
    }
}