ROUTER-to-DEALER in C#

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading;

using ZeroMQ;

namespace Examples
{
static partial class Program
{
static int RTDealer_Workers = 10;

public static void RTDealer(string[] args)
{
//
// ROUTER-to-DEALER example
//
// While this example runs in a single process, that is only to make
// it easier to start and stop the example. Each thread has its own
// context and conceptually acts as a separate process.
//
// Author: metadings
//

using (var context = new ZContext())
using (var broker = new ZSocket(context, ZSocketType.ROUTER))
{
broker.Bind("tcp://*:5671");

for (int i = 0; i < RTDealer_Workers; ++i)
{
int j = i; new Thread(() => RTDealer_Worker(j)).Start();
}

var stopwatch = new Stopwatch();
stopwatch.Start();

// Run for five seconds and then tell workers to end
int workers_fired = 0;
while (true)
{
// Next message gives us least recently used worker
using (ZMessage identity = broker.ReceiveMessage())
{
broker.SendMore(identity[0]);
broker.SendMore(new ZFrame());

// Encourage workers until it's time to fire them
if (stopwatch.Elapsed < TimeSpan.FromSeconds(5))
{
broker.Send(new ZFrame("Work harder!"));
}
else
{
broker.Send(new ZFrame("Fired!"));

if (++workers_fired == RTDealer_Workers)
{
break;
}
}
}
}
}
}

static void RTDealer_Worker(int i)
{
using (var context = new ZContext())
using (var worker = new ZSocket(context, ZSocketType.DEALER))
{
worker.IdentityString = "PEER" + i; // Set a printable identity
worker.Connect("tcp://127.0.0.1:5671");

int total = 0;
while (true)
{
// Tell the broker we're ready for work
worker.SendMore(new ZFrame(worker.Identity));
worker.SendMore(new ZFrame());
worker.Send(new ZFrame("Hi Boss"));

// Get workload from broker, until finished
using (ZMessage msg = worker.ReceiveMessage())
{
bool finished = (msg[1].ReadString() == "Fired!");

if (finished)
{
break;
}
}

total++;

// Do some random work
Thread.Sleep(1);
}

Console.WriteLine("Completed: PEER{0}, {1} tasks", i, total);
}
}
}
}