ØMQ/2.2 - The Guide

//
// Synchronized publisher
//

// Author: Michael Compton, Tomas Roos
// Email: ku.oc.egdeelttil|notpmoc.leahcim#ku.oc.egdeelttil|notpmoc.leahcim, moc.liamg|soorsamotp#moc.liamg|soorsamotp

using System;
using System.Text;
using System.Threading;
using ZMQ;

namespace ZMQGuide
{
internal class Program
{
public static void Main(string[] args)
{
using (var context = new Context(1))
{
using (Socket publisher = context.Socket(SocketType.PUB), syncService = context.Socket(SocketType.REP))
{
publisher.Bind("tcp://*:5561");
syncService.Bind("tcp://*:5562");

// Get synchronization from subscribers
const int subscribersToWaitFor = 10;
for (int count = 0; count < subscribersToWaitFor; count++)
{
syncService.Recv();
syncService.Send("", Encoding.Unicode);
}

// Now broadcast exactly 1M updates followed by END
const int updatesToSend = 1000000;
for (int updateId = 0; updateId < updatesToSend; updateId++)
{
publisher.Send("Rhubard", Encoding.Unicode);
}

publisher.Send("END", Encoding.Unicode);
}
}
}
}
}