using System;
using IvyBus;
using System.Threading;
using Gnu;

namespace IvyFilter
{
    class Filter
    {

        internal Ivy bus;

        [STAThread]
        public static void Main(System.String[] args)
        {
            GetOpt opt = new GetOpt(args, "b:n:t:");
            System.String domain = Ivy.GetDomain(null);
            int nb = 10000;
            int t = 1000;
            Arg a;
            while ((a = opt.NextArg() )!= null)
            {
                switch (a.Flag)
                {

                    case 'b':
                        domain = a.Parameter;
                        break;

                    case 't':
                        t = int.Parse(a.Parameter);
                        break;

                    case 'n':
                        nb = int.Parse(a.Parameter);
                        break;

                    default:
                        System.Environment.Exit(0);
                        break;

                }
            }
            new Filter(domain, nb, t, true);
        }

        private int nbmsg;
        private int bounded = 0, unbounded = 0;
        private string[] filter = new string[] { "GetDummy" };

        public Filter(string domain, int n, int t, bool f)
        {
            System.Console.Out.WriteLine("trying Filter on " + n + " messages, " + t + " ms delay");
            nbmsg = n;
            bus = new Ivy("Filter", "Filter ready");
            if (f)
            {
                foreach (string str in filter)
                {
                    bus.SentMessageFilter.Add(str);
                }
            }
            bus.BindingAdd += new EventHandler<IvyEventArgs>(bus_BindingAdd);
            bus.BindingRemove += new EventHandler<IvyEventArgs>(bus_BindingRemove);
            bus.BindingFilter += new EventHandler<IvyEventArgs>(bus_BindingFilter);
            bus.Start(domain);
            /* attend une seconde ou deux */
            try
            {
                Thread.Sleep(2000);
            }
            catch (System.Threading.ThreadInterruptedException )
            {
            }
            System.Console.Out.WriteLine(bounded + " bounded subscriptions, " + unbounded + " unbounded");
            System.Console.Out.WriteLine(bus.IvyClients.Count + " clients");
            DateTime debut = System.DateTime.Now;
            TimeSpan total = new TimeSpan();
            DateTime debutlocal = System.DateTime.Now;
            DateTime finlocal = System.DateTime.Now;
            for (int i = 0; i < n; i++)
            {
                try
                {
                    // System.out.println("sending msg");
                    debutlocal = System.DateTime.Now;
                    bus.SendMsg("GetDummy message");
                    finlocal = System.DateTime.Now;
                    total += finlocal - debutlocal;
                    Thread.Sleep( t );
                }
                catch (IvyException )
                {
                    System.Environment.Exit(-1);
                }
                catch (ThreadInterruptedException )
                {
                }
            }
            System.Console.Out.WriteLine(((f) ? "[filtered] " : "[non filtered] ") + total.TotalMilliseconds + "ms elapsed, " + (finlocal - debut).TotalMilliseconds + " ms total out of " + n * t);
            bus.Stop();
            if (f == true)
                new Filter(domain, n, t, false); // relance le même test sans filtre
            System.Console.ReadLine();
        }

        void bus_BindingFilter(object sender, IvyEventArgs e)
        {
            unbounded++;
        }

        void bus_BindingRemove(object sender, IvyEventArgs e)
        {
            bounded--;
        }

        void bus_BindingAdd(object sender, IvyEventArgs e)
        {
            bounded++;
        }

    }
}