thinkbeforecoding/Program.cs

## Program.cs
using System;
using System.IO;
using System.Net;
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
using System.Reactive.Linq;

namespace NodeSharp
{
    class Program
   {
      private const string RequestTemplate =
@"<html>
   <head><title>node#</title></head>
   <body>
      Hello from node#<br/>
      Current time : {0}<br/>
   </body>
</html>";

      static void Main()
      {
         var listener = new HttpListener {Prefixes = {"http://+:80/NodeSharp/"}};

         var observableListener = GetObservableListener(listener);

         observableListener.Subscribe( c =>
                 {
                     using (var writer = new StreamWriter(c.Response.OutputStream))
                         writer.WriteLine(RequestTemplate, DateTime.Now.TimeOfDay);
                 }
            );

         Console.ReadKey();

      }

      private static IObservable<HttpListenerContext> GetObservableListener(HttpListener listener)
      {
         return Observable.Create<HttpListenerContext>(
               observer =>
               {
                  // start listener on subscription
                  listener.Start();

                  var getContextEvent =
                     Observable.FromAsyncPattern(
                        listener.BeginGetContext,
                        r => listener.EndGetContext(r));

                  Observable.Defer(getContextEvent)   // observable from factory
                     .Repeat()                  // repeat once done
                     .ObserveOn(Scheduler.TaskPool)   // execute query in taskpool thread
                     .Subscribe(observer);

                  return Disposable.Create(listener.Stop);   // stop when unsubscribing
               }
            );
      }
   }
}
	using System;
	using System.IO;
	using System.Net;
	using System.Reactive.Concurrency;
	using System.Reactive.Disposables;
	using System.Reactive.Linq;

	namespace NodeSharp
	{
	class Program
	{
	private const string RequestTemplate =
	@"<html>
	<head><title>node#</title></head>
	<body>
	Hello from node#<br/>
	Current time : {0}<br/>
	</body>
	</html>";

	static void Main()
	{
	var listener = new HttpListener {Prefixes = {"http://+:80/NodeSharp/"}};

	var observableListener = GetObservableListener(listener);

	observableListener.Subscribe( c =>
	{
	using (var writer = new StreamWriter(c.Response.OutputStream))
	writer.WriteLine(RequestTemplate, DateTime.Now.TimeOfDay);
	}
	);

	Console.ReadKey();

	}

	private static IObservable<HttpListenerContext> GetObservableListener(HttpListener listener)
	{
	return Observable.Create<HttpListenerContext>(
	observer =>
	{
	// start listener on subscription
	listener.Start();

	var getContextEvent =
	Observable.FromAsyncPattern(
	listener.BeginGetContext,
	r => listener.EndGetContext(r));

	Observable.Defer(getContextEvent) // observable from factory
	.Repeat() // repeat once done
	.ObserveOn(Scheduler.TaskPool) // execute query in taskpool thread
	.Subscribe(observer);

	return Disposable.Create(listener.Stop); // stop when unsubscribing
	}
	);
	}
	}
	}