// Client thread which does not block Update()
void NetMQClient()
{
AsyncIO.ForceDotNet.Force();
NetMQContext context = null;
context = NetMQContext.Create();
string msg;
var timeout = new System.TimeSpan(0, 0, 1); //1sec
Debug.Log("Connect to the server.");
var requestSocket = new RequestSocket(">tcp://192.168.11.36:50020");
requestSocket.SendFrame("SUB_PORT");
bool is_connected = requestSocket.TryReceiveFrameString(timeout, out msg);
while (is_connected && stop_thread_ == false)
{
Debug.Log("Request a message.");
requestSocket.SendFrame("msg");
is_connected = requestSocket.TryReceiveFrameString(timeout, out msg);
Debug.Log("Sleep");
Thread.Sleep(1000);
}
requestSocket.Close();
Debug.Log("ContextTerminate.");
context.Terminate();
}
/// <summary>
/// Dispose managed resources.
/// </summary>
/// <param name="disposing">Is desposing.</param>
protected virtual void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing)
{
CancelPolling();
if (pubSocket != null)
{
pubSocket.Disconnect(PublisherAddress);
pubSocket.Dispose();
pubSocket = null;
}
if (poller != null)
{
poller.Dispose();
poller = null;
}
if (context != null)
{
context.Terminate();
context.Dispose();
context = null;
}
if (source != null)
{
source.Dispose();
source = null;
}
}
// Shared cleanup logic.
disposed = true;
}
}
void OnApplicationQuit()
{
Debug.Log("Shutting down...");
subSocket.Close();
context.Terminate();
Debug.Log("Done...");
}
private void SendEvents(String submissionUri, CancellationToken cancellationToken)
{
using (NetMQContext context = NetMQContext.Create())
{
using (NetMQSocket pushSocket = context.CreatePushSocket())
{
pushSocket.IgnoreErrors = true;
pushSocket.Connect(submissionUri);
Logger.Info("ZeroMQCache: Connected to submissionUri \"{0}\".", submissionUri);
while (!cancellationToken.IsCancellationRequested)
{
try
{
ZeroMQMessage message;
if (mQueue.TryTake(out message, TimeSpan.FromSeconds(1)))
{
Logger.Debug("ZeroMQCache: Sending -> {0}", message.ToString());
pushSocket.SendMore(message.Topic);
pushSocket.SendMore(message.Client);
pushSocket.Send(message.Content);
}
}
catch (OperationCanceledException)
{
// We have been asked to cancel operation
break;
}
catch (Exception ex)
{
Logger.Error("ZeroMQCache: Error sending message.", ex);
}
}
// Close socket
pushSocket.Close();
}
context.Terminate();
}
}
private void ReceiveEvents(String subscriptionUri, String topic, CancellationToken cancellationToken)
{
using (NetMQContext context = NetMQContext.Create())
{
using (NetMQSocket subscriberSocket = context.CreateSubscriberSocket())
{
subscriberSocket.IgnoreErrors = true;
subscriberSocket.Connect(subscriptionUri);
subscriberSocket.Subscribe(topic);
Logger.Info("ZeroMQCache: Connected to subscriptionUri \"{0}\".", subscriptionUri);
// Eventhandler delegate to handle receiving messages
subscriberSocket.ReceiveReady += (sender, args) =>
{
try
{
if (args.ReceiveReady)
{
// Recieve and relay
NetMQMessage netMQmessage = args.Socket.ReceiveMessage();
// Recieve the message
ZeroMQMessage message = new ZeroMQMessage()
{
Topic = netMQmessage.Pop().ConvertToString(),
Client = netMQmessage.Pop().ConvertToString(),
Content = netMQmessage.Pop().ConvertToString()
};
Logger.Debug("ZeroMQCache: Received -> {0}", message.ToString());
XmlCacheEvent cacheEvent = XmlCacheEvent.FromXml(message.Content);
if (cacheEvent != null)
{
OnCacheEvent(cacheEvent.CacheRegion, cacheEvent.Key, cacheEvent.EventType);
}
}
}
catch (OperationCanceledException)
{
// We have been asked to cancel operation
return;
}
catch (Exception ex)
{
Logger.Error("ZeroMQCache: Error receiving message.", ex);
}
};
while (!cancellationToken.IsCancellationRequested)
{
try
{
subscriberSocket.Poll(TimeSpan.FromSeconds(1));
}
catch (OperationCanceledException)
{
// We have been asked to cancel operation
break;
}
catch (Exception ex)
{
Logger.Error("ZeroMQCache: Error polling for messages.", ex);
}
}
// Close socket
subscriberSocket.Close();
}
context.Terminate();
}
}
private void ReceiveEvents(String submissionUri, String topic, CancellationToken cancellationToken)
{
using (NetMQContext context = NetMQContext.Create())
{
using (NetMQSocket pullSocket = context.CreatePullSocket())
{
pullSocket.IgnoreErrors = true;
pullSocket.Bind(submissionUri);
Logger.Info("ZeroMQBroker: Bound to submissionUri \"{0}\".", submissionUri);
// Eventhandler delegate to handle receiving messages
pullSocket.ReceiveReady += (sender, args) =>
{
try
{
if (args.ReceiveReady)
{
// Recieve and relay
NetMQMessage netMQmessage = args.Socket.ReceiveMessage();
// Recieve the message
ZeroMQMessage message = new ZeroMQMessage()
{
Topic = netMQmessage.Pop().ConvertToString(),
Client = netMQmessage.Pop().ConvertToString(),
Content = netMQmessage.Pop().ConvertToString()
};
Logger.Debug("ZeroMQBroker: Received -> {0}", message.ToString());
mQueue.Add(message);
// ZeroMQBroker relays multiple topics, verify if the message was meant for the current client
if (String.Equals(topic, message.Topic, StringComparison.OrdinalIgnoreCase))
{
XmlCacheEvent cacheEvent = XmlCacheEvent.FromXml(message.Content);
if (cacheEvent != null)
{
OnCacheEvent(cacheEvent.CacheRegion, cacheEvent.Key, cacheEvent.EventType);
}
}
}
}
catch (OperationCanceledException)
{
// We have been asked to cancel operation
return;
}
catch (Exception ex)
{
Logger.Error("ZeroMQBroker: Error receiving message.", ex);
}
};
while (!cancellationToken.IsCancellationRequested)
{
try
{
pullSocket.Poll(TimeSpan.FromSeconds(1));
}
catch (OperationCanceledException)
{
// We have been asked to cancel operation
break;
}
catch (Exception ex)
{
Logger.Error("ZeroMQBroker: Error polling for messages.", ex);
}
}
// Close socket
pullSocket.Close();
}
context.Terminate();
}
}
