C# tcp sockets defining clients

Question

I'm trying to setup a tcp .net socket network with Visual Studio 2010. So far it works I can connect clients up to it but currently I have no way of defining the clients that are connected. I need like an array of clients that are connected so I can be more specific about who i streamWrite to.

This is my server code I am copying all of this from http://www.codeproject.com/Articles/511814/Multi-client-per-one-server-socket-programming-in

SERVER CODE

static TcpListener tcpListener = new TcpListener(25000);

    static void Listeners()
    {
        Socket socketForClient = tcpListener.AcceptSocket();
        if (socketForClient.Connected)
        {
            Console.WriteLine("Client:"+socketForClient.RemoteEndPoint+" now connected to server.");
            NetworkStream networkStream = new NetworkStream(socketForClient);

            System.IO.StreamWriter streamWriter =
            new System.IO.StreamWriter(networkStream);
            System.IO.StreamReader streamReader =
            new System.IO.StreamReader(networkStream);


            Console.WriteLine("type your message to be recieved by client:");
            string theString2 = Console.ReadLine();
            streamWriter.WriteLine(theString2);
            Console.WriteLine(theString2);
            streamWriter.Flush();

            while (true)
            {
                string theString = streamReader.ReadLine();
                Console.WriteLine("Message recieved by client:" + theString);
                if (theString == "exit")
                    break;
            }
            streamReader.Close();
            networkStream.Close();
            streamWriter.Close();


        }
        socketForClient.Close();
        Console.WriteLine("Press any key to exit from server program");
        Console.ReadKey();
    }

    public static void Main()
    {
        tcpListener.Start();
        Console.WriteLine("************This is Server program************");
        Console.WriteLine("Hoe many clients are going to connect to this server?:");
        int numberOfClientsYouNeedToConnect = int.Parse(Console.ReadLine());
        for (int i = 0; i < numberOfClientsYouNeedToConnect; i++)
        {
            Thread newThread = new Thread(new ThreadStart(Listeners));
            newThread.Start();
        }
    }

Answer 1

If you want to stick to raw TCP Sockets, then you could pass a delegate/handler etc to the thread:

for (int i = 0; i < numberOfClientsYouNeedToConnect; i++)
{
     Thread newThread = new Thread(new ParameterizedThreadStart(Listeners));
     newThread.Start(i);
}

Your listener then needs to take an object to match the ParametrizedThreadStart see MSDN

However, if you are developing both ends (as I commented) I'd suggest something more abstract like ASP.NET SignalR or similar for such a scenario. It adds a bit overhead, but you get Server-To-Client and vice versa communication on a conveniently abstractioned level.