public void UdpCommunicator_Multicast()
{
var commSender = new UdpCommunicator()
{
MinPort = 10000,
MaxPort = 10999,
Timeout = 1000,
EnvelopeHandler = NoOp
};
commSender.Start();
var commReciever = new UdpCommunicator()
{
MinPort = 5000,
MaxPort = 5000,
Timeout = 1000,
EnvelopeHandler = ProcessEnvelope5
};
commReciever.Start();
Random rand = new Random();
short gameId = (short)rand.Next(1, 1000);
// Note, we can't test multiple receivers on the same host (localhost), because the
// port number has to be the same for all receivers
// Have the receivers join a Group Multicast address
var multiCastAddress = new IPAddress(new byte[] { 224, 1, 1, 2 });
commReciever.JoinMulticastGroup(multiCastAddress);
// Send message to Group Multicast address
var msg = new StartGameMessage(gameId);
var targetEndPoint = new IPEndPoint(IPAddress.Loopback, 5000);
var env = new Envelope(msg, targetEndPoint);
commSender.Send(env);
Thread.Sleep(100);
Assert.AreNotSame(msg, _lastIncomingEnvelope5);
Assert.IsNotNull(_lastIncomingEnvelope5);
Assert.IsNotNull(_lastIncomingEnvelope5.message);
Assert.AreEqual(msg.msgId, _lastIncomingEnvelope5.message.msgId);
Assert.AreEqual(msg.convId, _lastIncomingEnvelope5.message.convId);
StartGameMessage msg2 = _lastIncomingEnvelope5.message as StartGameMessage;
Assert.IsNotNull(msg2);
Assert.AreEqual(msg.GameId, msg2.GameId);
commReciever.DropMulticastGroup(multiCastAddress);
commReciever.Stop();
commSender.Stop();
}