/// <summary>
/// Create new NetMQQueue.
/// </summary>
/// <param name="context">NetMQContext must be provided to the queue</param>
/// <param name="capacity">The capacity of the queue, use zero for unlimited</param>
public NetMQQueue(NetMQContext context, int capacity = 0)
{
m_context = context;
m_queue = new ConcurrentQueue <T>();
m_writer = m_context.CreatePairSocket();
m_reader = m_context.CreatePairSocket();
if (capacity != 0)
{
m_writer.Options.SendHighWatermark = m_reader.Options.ReceiveHighWatermark = capacity / 2;
}
else
{
m_writer.Options.SendHighWatermark = m_reader.Options.ReceiveHighWatermark = 0;
}
m_eventDelegator = new EventDelegator <NetMQQueueEventArgs <T> >(() =>
{
m_reader.ReceiveReady += OnReceiveReady;
}, () =>
{
m_reader.ReceiveReady -= OnReceiveReady;
});
string address = string.Format("inproc://NetMQQueue#{0}", Interlocked.Increment(ref s_sequence));
m_reader.Bind(address);
m_writer.Connect(address);
m_dequeueMsg = new Msg();
m_dequeueMsg.InitEmpty();
}
private NetMQActor([NotNull] NetMQContext context, [NotNull] IShimHandler shimHandler)
{
m_shimHandler = shimHandler;
m_self = context.CreatePairSocket();
m_shim = context.CreatePairSocket();
EventHandler <NetMQSocketEventArgs> onReceive = (sender, e) =>
m_receiveEvent.Fire(this, new NetMQActorEventArgs(this));
EventHandler <NetMQSocketEventArgs> onSend = (sender, e) =>
m_sendEvent.Fire(this, new NetMQActorEventArgs(this));
m_receiveEvent = new EventDelegator <NetMQActorEventArgs>(
() => m_self.ReceiveReady += onReceive,
() => m_self.ReceiveReady -= onReceive);
m_sendEvent = new EventDelegator <NetMQActorEventArgs>(
() => m_self.SendReady += onSend,
() => m_self.SendReady -= onSend);
var random = new Random();
//now binding and connect pipe ends
string endPoint;
while (true)
{
try
{
endPoint = string.Format("inproc://NetMQActor-{0}-{1}", random.Next(0, 10000), random.Next(0, 10000));
m_self.Bind(endPoint);
break;
}
catch (AddressAlreadyInUseException)
{
// In case address already in use we continue searching for an address
}
}
m_shim.Connect(endPoint);
m_shimThread = new Thread(RunShim);
m_shimThread.Start();
// Mandatory handshake for new actor so that constructor returns only
// when actor has also initialised. This eliminates timing issues at
// application start up.
m_self.ReceiveSignal();
}
public Actor(NetMQContext context, IShimHandler shimHandler, object[] args)
{
this.self = context.CreatePairSocket();
this.shim = new Shim(shimHandler, context.CreatePairSocket());
this.self.Options.SendHighWatermark = 1000;
this.self.Options.SendHighWatermark = 1000;
//now binding and connect pipe ends
string endPoint = string.Empty;
while (true)
{
Action bindAction = () =>
{
endPoint = GetEndPointName();
self.Bind(endPoint);
};
try
{
bindAction();
break;
}
catch (NetMQException nex)
{
if (nex.ErrorCode == ErrorCode.EFAULT)
{
bindAction();
}
}
}
shim.Pipe.Connect(endPoint);
//Create Shim thread handler
CreateShimThread(args);
}
public static NetMQActor Create(NetMQContext context, ShimAction action)
{
return(new NetMQActor(context.CreatePairSocket(), context.CreatePairSocket(), new ActionShimHandler(action)));
}
public static NetMQActor Create <T>(NetMQContext context, ShimAction <T> action, T state)
{
return(new NetMQActor(context.CreatePairSocket(), context.CreatePairSocket(), new ActionShimHandler <T>(action, state)));
}
public static NetMQActor Create(NetMQContext context, IShimHandler shimHandler)
{
return(new NetMQActor(context.CreatePairSocket(), context.CreatePairSocket(), shimHandler));
}