using System;
using System.Threading;
 
namespace Recetas.CSharp.Cap04.R0407
{
    public class BlogxCSw
    {
        // Representa el número de threads máximos 
        // soportados por el servidor:
        private const int threads = 3;
 
        // Representa la cantidad de usuarios que 
        // se van a conectar al blog:
        private const int usuarios = 20;
 
        // Representa el locker que se encarga de 
        // controlar el acceso al blog:
        private static Object locker = new Object();
 
        // Permite a un usuario ingresar al usuario:
        public static void IngresarAlBlog()
        {
            while (true)
            {
                lock (locker)
                {
                    Monitor.Wait (locker);
                }
 
                Console.WriteLine ("{0} accedió al Blog xCSw", 
                    Thread.CurrentThread.Name
                );
 
                Thread.Sleep (150);
            }
        }
 
        public static void Main()
        {
            // Creación del pool de threads:
            Thread[] pool = new Thread[threads];
 
            // Creación de cada uno de los threads:
            for (int i = 0; i < threads; ++i)
            {
                pool[i] = new Thread (new ThreadStart (IngresarAlBlog));
                pool[i].Name = String.Format ("Usuario {0}", (i + 1).ToString() );
                pool[i].IsBackground = true;
                pool[i].Start();
            }
 
            // Atienda las visitas al blog:
            for (int i = 1; i <= usuarios; ++i)
            {
                Thread.Sleep (1000);
 
                lock (locker)
                {
                    Monitor.Pulse (locker);
                }
            }
 
            Console.WriteLine ();
        }
    }
}

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