How to introduce new threads

Ola,

I wrote some code that accepts incomming TcpClients and store them. And on each incomming TcpCLient write to all already stored TcpClients some javascript that is performed on the browser client from where the underlieing HTTP request orignated. In the code I only listen for 3 clients but this is just for testing purposes.

If you want to know why I build this code and what it would do follow these 2 posts.
https://www.experts-exchange.com/questions/21057802/How-to-collect-store-and-respond-to-incomming-requests.html
https://www.experts-exchange.com/questions/21077836/Storing-stream-writers.html
the code in this question is a sollution for the problem I describe in the 2 questions above.

At some point in the code in this question I want to start a new thread that listens for additional TcpClients how can this be done.

Ill be on holliday until 16 aug so there is some time for you experts to figure out what is needed :-)

using System;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Collections;
using System.IO;
using System.Text;

namespace AtomHTTPresponse
{
      class AtomHTTPresponse
      {
            private ArrayList lObjArrayList = new ArrayList();
            static void Main(string[] args)
            {
                  AtomHTTPresponse lObjAtomHTTPresponse = new AtomHTTPresponse();
                  IPAddress IPAddressLocal = IPAddress.Parse( "127.0.0.1" );
                  TcpListener lTcpListner = new TcpListener( IPAddressLocal, 9999 );

                  lTcpListner.Start();
               
                  for ( int lCntOuter = 0; lCntOuter < 3; lCntOuter++ )
                  {
                        // waiting for an incomming TcpCLient should be done on a separte thread. So in the end there will be 3 clients connected in 3 seperate threads
                        TcpClient lTcpClient                  = lTcpListner.AcceptTcpClient();
                        NetworkStream lNetworkStream      = lTcpClient.GetStream();
                        StreamReader lStreamReader            = new StreamReader( lNetworkStream );
                        StreamWriter lStreamWriter            = new StreamWriter( lNetworkStream );

                        HTTPpipe lHTTPpipe = new HTTPpipe( lTcpClient, lNetworkStream, lStreamReader, lStreamWriter );
                        lObjAtomHTTPresponse.lObjArrayList.Add( lHTTPpipe );
                        lHTTPpipe.WriteToCLient( "<script language=\"javascript\">window.status = 0</script>" );

                        for ( int lCntInner = 0; lCntInner < lObjAtomHTTPresponse.lObjArrayList.Count; lCntInner++ )
                        {
                              ( lObjAtomHTTPresponse.lObjArrayList[ lCntInner ] as HTTPpipe ).WriteToCLient( "<script language=\"javascript\">window.status = parseInt( window.status ) + 1</script>" );
                        }
                  }
            }
      }
      class HTTPpipe
      {
            public TcpClient puTcpClient;
            public NetworkStream puNetworkStream;
            public StreamReader puStreamReader;
            public StreamWriter puStreamWriter;
            public char[] puArrCharRequest = new char[256];

            static string cStrResponse = "<script language=\"javascript\">window.status = 0</script>";
            
            static string cStrHTTPheader = "HTTP/1.1 200 OK\r\n"
                  + "Server: Microsoft-IIS/5.0\r\n"
                  + "Date: Wed, 9 jan 2004 19:59:09 GMT\r\n"
                  + "X-Powered-By: ASP.NET\r\n"
                  + "Content-Type: text/html\r\n"
                  + "Set-Cookie: ASPSESSIONIDASQSSARR=CCOBBLCBOLKOECFIANBGOBAI; path=/\r\n" // let it be for now. redundancy will be removed at a later time
                  + "Cache-control: private\r\n\r\n";

            public HTTPpipe( TcpClient iTcpClient, NetworkStream iNetworkStream, StreamReader iStreamReader, StreamWriter iStreamWriter )
            {
                  puTcpClient            = iTcpClient;
                  puNetworkStream      = iNetworkStream;
                  puStreamReader      = iStreamReader;
                  puStreamWriter      = iStreamWriter;
                  puStreamReader.Read( puArrCharRequest, 0, puArrCharRequest.Length );
                  WriteToCLient( cStrHTTPheader );
                  WriteToCLient( cStrResponse );
            }
            public void WriteToCLient( string iStrResponse )
            {
                  puStreamWriter.Write( iStrResponse );
                  puStreamWriter.Flush();
            }
      }
}