/// <summary>
/// Handle beacon data
/// </summary>
private void ReceiveBeacon()
{
// Get IP address and beacon of peer
var beaconMessage = _beacon.Receive();
// Ignore anything that isn't a valid beacon
int port;
Guid uuid;
if (!IsValidBeacon(beaconMessage.Bytes, out uuid, out port))
{
return;
}
var endpoint = $"tcp://{beaconMessage.PeerHost}:{port}";
ZyrePeer peer;
if (port > 0)
{
//_loggerDelegate?.Invoke($"TMP {nameof(ReceiveBeacon)} is doing RequirePeer() for endpoint={endpoint}");
peer = RequirePeer(uuid, endpoint);
//_loggerDelegate?.Invoke($"TMP {nameof(ReceiveBeacon)} DID RequirePeer() for endpoint={endpoint}");
peer.Refresh();
}
else
{
// Zero port means peer is going away; remove it if we had any knowledge of it already
if (_peers.TryGetValue(uuid, out peer))
{
_loggerDelegate?.Invoke($"Removing peer {uuid.ToShortString6()} due to zero port received from {endpoint}");
RemovePeer(peer);
}
}
}
private void OnBeaconReady(object sender, NetMQBeaconEventArgs e)
{
// we got another beacon
// let's check if we already know about the beacon
var message = m_beacon.Receive();
int port;
int.TryParse(message.String, out port);
NodeKey node = new NodeKey(message.PeerHost, port);
// check if node already exist
if (!m_nodes.ContainsKey(node))
{
// we have a new node, let's add it and connect to subscriber
m_nodes.Add(node, DateTime.Now);
m_publisher.Connect(node.Address);
m_shim.SendMoreFrame(AddedNodeCommand).SendFrame(node.Address);
}
else
{
//Console.WriteLine("Node {0} is not a new beacon.", node);
m_nodes[node] = DateTime.Now;
}
}
private void OnBeaconReady(object sender, NetMQBeaconEventArgs e)
{
var readyTime = DateTimeOffset.Now;
var message = _beacon.Receive();
int.TryParse(message.String, out var port);
var peer = new PeerInfo(message.PeerHost, port);
if (!_info.ContainsKey(peer))
{
_info.Add(peer, readyTime);
_publisher.Connect(peer.Address);
_shim.SendMoreFrame("A").SendFrame(peer.Address);
_logger?.LogInformation($"{_id}: Added new peer from '{{PeerAddress}}'", peer.Address);
_hub?.Clients.All.SendAsync("ReceiveMessage", "success", $"Adding new peer from '{peer.Address}'");
}
else
{
_logger?.LogDebug($"{_id}: Updating keep-alive for peer '{{PeerAddress}}'", peer.Address);
_info[peer] = readyTime;
}
}
public void Polling()
{
using (var speaker = new NetMQBeacon())
using (var listener = new NetMQBeacon())
{
speaker.Configure(9999);
speaker.Publish("Hello", s_publishInterval);
var manualResetEvent = new ManualResetEvent(false);
listener.Configure(9999);
listener.Subscribe("H");
string message = "";
listener.ReceiveReady += (sender, args) =>
{
message = listener.Receive().String;
manualResetEvent.Set();
};
using (var poller = new NetMQPoller {
listener
})
{
poller.RunAsync();
manualResetEvent.WaitOne();
Assert.AreEqual("Hello", message);
}
}
}
public void BothSpeakerAndListenerOverLoopback()
{
using (var beacon1 = new NetMQBeacon())
using (var beacon2 = new NetMQBeacon())
{
beacon1.Configure(9998, "loopback");
beacon1.Publish("H1", s_publishInterval);
beacon1.Subscribe("H");
beacon2.Configure(9998, "loopback");
beacon2.Publish("H2", s_publishInterval);
beacon2.Subscribe("H");
Assert.AreEqual("H2", beacon1.Receive().String);
Assert.AreEqual("H1", beacon2.Receive().String);
}
}
public void BothSpeakerAndListenerOverLoopback()
{
using (var beacon1 = new NetMQBeacon())
using (var beacon2 = new NetMQBeacon())
{
beacon1.Configure(9998, "loopback");
beacon1.Publish("H1", s_publishInterval);
beacon1.Subscribe("H");
beacon2.Configure(9998, "loopback");
beacon2.Publish("H2", s_publishInterval);
beacon2.Subscribe("H");
Assert.AreEqual("H2", beacon1.Receive().String);
Assert.AreEqual("H1", beacon2.Receive().String);
}
}
public void SimplePublishSubscribe()
{
using (var speaker = new NetMQBeacon())
using (var listener = new NetMQBeacon())
{
speaker.Configure(9999);
speaker.Publish("Hello", s_publishInterval);
listener.Configure(9999);
listener.Subscribe("H");
var message = listener.Receive();
Assert.AreEqual("Hello", message.String);
}
}
public void ConfigureTwice()
{
using (var speaker = new NetMQBeacon())
using (var listener = new NetMQBeacon())
{
speaker.Configure(5555);
speaker.Configure(9999);
speaker.Publish("Hello", s_publishInterval);
listener.Configure(9999);
listener.Subscribe("H");
string message = listener.Receive().String;
Assert.AreEqual("Hello", message);
}
}
public void ConfigureTwice()
{
using (var speaker = new NetMQBeacon())
using (var listener = new NetMQBeacon())
{
speaker.Configure(5555);
speaker.Configure(9999);
speaker.Publish("Hello", s_publishInterval);
listener.Configure(9999);
listener.Subscribe("H");
string message = listener.Receive().String;
Assert.AreEqual("Hello", message);
}
}
public void SimplePublishSubscribe()
{
using (var speaker = new NetMQBeacon())
using (var listener = new NetMQBeacon())
{
speaker.Configure(9999);
speaker.Publish("Hello", s_publishInterval);
listener.Configure(9999);
listener.Subscribe("H");
var message = listener.Receive();
Console.WriteLine(message.PeerAddress);
Assert.AreEqual("Hello", message.String);
}
}
public void Unsubscribe()
{
using (var speaker = new NetMQBeacon())
using (var listener = new NetMQBeacon())
{
speaker.Configure(9999);
listener.Configure(9999);
listener.Subscribe("H");
// this should send one broadcast message and stop
speaker.Publish("Hello", s_publishInterval);
Thread.Sleep(10);
listener.Unsubscribe();
Assert.AreEqual("Hello", listener.Receive().String);
Assert.IsFalse(listener.TryReceive(TimeSpan.FromMilliseconds(300), out BeaconMessage message));
}
}
public void Unsubscribe()
{
using (var speaker = new NetMQBeacon())
using (var listener = new NetMQBeacon())
{
speaker.Configure(9999);
listener.Configure(9999);
listener.Subscribe("H");
// this should send one broadcast message and stop
speaker.Publish("Hello", s_publishInterval);
Thread.Sleep(10);
listener.Unsubscribe();
Assert.AreEqual("Hello", listener.Receive().String);
BeaconMessage message;
Assert.IsFalse(listener.TryReceive(TimeSpan.FromMilliseconds(300), out message));
}
}
private void OnBeaconReady(object sender, NetMQBeaconEventArgs e)
{
// we got another beacon
// let's check if we already know about the beacon
var message = _beacon.Receive();
var port = int.Parse(message.String);
var node = new NodeKey(message.PeerHost, port);
// check if node already exist
if (!_nodes.ContainsKey(node))
{
// we have a new node, let's add it and connect to subscriber
_nodes.Add(node, DateTime.UtcNow);
_publisher.Connect(node.Address);
_shim.SendMoreFrame(TaskSchedulerBusCommands.AddedNode.ToString()).SendFrame(node.Address);
}
else
{
_nodes[node] = DateTime.UtcNow; //heartbeat
}
}
public void Polling()
{
using (var speaker = new NetMQBeacon())
using (var listener = new NetMQBeacon())
{
speaker.Configure(9999);
speaker.Publish("Hello", s_publishInterval);
var manualResetEvent = new ManualResetEvent(false);
listener.Configure(9999);
listener.Subscribe("H");
string message = "";
listener.ReceiveReady += (sender, args) =>
{
message = listener.Receive().String;
manualResetEvent.Set();
};
using (var poller = new NetMQPoller { listener })
{
poller.RunAsync();
manualResetEvent.WaitOne();
Assert.AreEqual("Hello", message);
}
}
}
