public void SendAndReceive()
{
using (var front = new RouterSocket())
using (var back = new DealerSocket())
{
front.Bind("inproc://frontend");
back.Bind("inproc://backend");
var proxy = new Proxy(front, back);
Task.Factory.StartNew(proxy.Start);
using (var client = new RequestSocket())
using (var server = new ResponseSocket())
{
client.Connect("inproc://frontend");
server.Connect("inproc://backend");
client.SendFrame("hello");
Assert.AreEqual("hello", server.ReceiveFrameString());
server.SendFrame("reply");
Assert.AreEqual("reply", client.ReceiveFrameString());
}
proxy.Stop();
}
}
public void RouterDealerMessaging()
{
using (var server = new RouterSocket())
using (var client = new DealerSocket())
{
int port = server.BindRandomPort("tcp://127.0.0.1");
client.Connect("tcp://127.0.0.1:" + port);
var clientOutgoingMessage = new NetMQMessage();
clientOutgoingMessage.Append("Hello");
client.SendMultipartMessage(clientOutgoingMessage);
NetMQMessage serverIncomingMessage = server.ReceiveMultipartMessage();
// number of frames should be one because first message should be identity of client
Assert.AreEqual(2, serverIncomingMessage.FrameCount);
Assert.AreEqual("Hello", serverIncomingMessage[1].ConvertToString());
var serverOutgoingMessage = new NetMQMessage();
// first adding the identity
serverOutgoingMessage.Append(serverIncomingMessage[0]);
serverOutgoingMessage.Append("World");
server.SendMultipartMessage(serverOutgoingMessage);
var incomingClientMessage = client.ReceiveMultipartMessage();
Assert.AreEqual(1, incomingClientMessage.FrameCount);
Assert.AreEqual("World", incomingClientMessage[0].ConvertToString());
}
}
public void RequestResponseMultipartMessageWithRetryFails()
{
const string address = "tcp://127.0.0.1:50002";
const string pubAddress = "tcp://127.0.0.1:60002";
const int numTries = 5;
var requestTimeout = TimeSpan.FromMilliseconds(100);
var requestMessage = new NetMQMessage(1);
requestMessage.Append("Hi");
using (var progressPublisher = new PublisherSocket(pubAddress))
using (var progressSubscriber = new SubscriberSocket(pubAddress))
using (var server = new RouterSocket(address))
{
progressSubscriber.SubscribeToAnyTopic();
var progressProactor = new NetMQProactor(progressSubscriber, (socket, message) =>
Console.WriteLine("C: {0} {1:ss.fff}", message[0].ConvertToString(), DateTime.Now));
var serverProactor = new NetMQProactor(server, (socket, message) =>
{
Console.WriteLine("ResponseEcho recieved message {0} at {1:ss.fff}", message[2].ConvertToString(),
DateTime.Now);
});
using (serverProactor)
using (progressProactor)
{
var responseMessage = RequestSocket.RequestResponseMultipartMessageWithRetry(address, requestMessage,
numTries, requestTimeout, progressPublisher);
Assert.IsNull(responseMessage);
}
}
}
public void CheckReceiveAgainException()
{
using (var router = new RouterSocket())
{
router.BindRandomPort("tcp://127.0.0.1");
router.Receive(SendReceiveOptions.DontWait);
}
}
public void DefaultValues()
{
using (var socket = new RouterSocket())
{
Assert.IsNull(socket.Options.Identity);
// Assert.IsNull(socket.Options.TcpAcceptFilter);
Assert.AreEqual(false, socket.Options.ReceiveMore);
}
}
public void Mandatory()
{
using (var router = new RouterSocket())
{
router.Options.RouterMandatory = true;
router.BindRandomPort("tcp://*");
Assert.Throws<HostUnreachableException>(() => router.SendMoreFrame("UNKNOWN").SendFrame("Hello"));
}
}
public void ReceiveReadyDot35Bug()
{
// In .NET 3.5, we saw an issue where ReceiveReady would be raised every second despite nothing being received
using (var server = new RouterSocket())
{
server.BindRandomPort("tcp://127.0.0.1");
server.ReceiveReady += (s, e) => Assert.Fail("Should not receive");
Assert.IsFalse(server.Poll(TimeSpan.FromMilliseconds(1500)));
}
}
public void CheckTryReceive()
{
using (var router = new RouterSocket())
{
router.BindRandomPort("tcp://127.0.0.1");
var msg = new Msg();
msg.InitEmpty();
Assert.IsFalse(router.TryReceive(ref msg, TimeSpan.Zero));
}
}
public void SendExecuteReplyMessage(Message message, RouterSocket shellSocket)
{
ExecuteReplyOk executeReply = new ExecuteReplyOk()
{
ExecutionCount = this.executionCount,
Payload = new List<Dictionary<string, string>>(),
UserExpressions = new Dictionary<string, string>()
};
Message executeReplyMessage = MessageBuilder.CreateMessage(MessageTypeValues.ExecuteReply,
JsonSerializer.Serialize(executeReply), message.Header);
this.logger.Info(string.Format("Sending message to Shell {0}", JsonSerializer.Serialize(executeReplyMessage)));
MessageSender.Send(executeReplyMessage, shellSocket);
}
public void HandleMessage(Message message, RouterSocket serverSocket, PublisherSocket ioPub)
{
KernelInfoRequest kernelInfoRequest = JsonSerializer.Deserialize<KernelInfoRequest>(message.Content);
Message replyMessage = new Message()
{
UUID = message.Header.Session,
ParentHeader = message.Header,
Header = MessageBuilder.CreateHeader(MessageTypeValues.KernelInfoReply, message.Header.Session),
Content = JsonSerializer.Serialize(this.CreateKernelInfoReply())
};
this.logger.Info("Sending kernel_info_reply");
MessageSender.Send(replyMessage, serverSocket);
}
public void CheckTrySendSucceeds()
{
using (var router = new RouterSocket())
using (var dealer = new DealerSocket())
{
var port = router.BindRandomPort("tcp://127.0.0.1");
router.Options.Linger = TimeSpan.Zero;
dealer.Options.SendHighWatermark = 1;
dealer.Options.Linger = TimeSpan.Zero;
dealer.Connect("tcp://127.0.0.1:" + port);
Thread.Sleep(100);
Assert.IsTrue(dealer.TrySendFrame("1"));
}
}
public void CheckSendAgainException()
{
using (var router = new RouterSocket())
using (var dealer = new DealerSocket())
{
var port = router.BindRandomPort("tcp://127.0.0.1");
router.Options.Linger = TimeSpan.Zero;
dealer.Options.SendHighWatermark = 1;
dealer.Options.Linger = TimeSpan.Zero;
dealer.Connect("tcp://127.0.0.1:" + port);
#pragma warning disable 618
dealer.Send("1", dontWait: true, sendMore: false);
dealer.Send("2", dontWait: true, sendMore: false);
#pragma warning restore 618
}
}
public void TwoMessagesFromRouterToDealer()
{
using (var server = new RouterSocket())
using (var client = new DealerSocket())
using (var poller = new NetMQPoller { client })
{
var port = server.BindRandomPort("tcp://*");
client.Connect("tcp://127.0.0.1:" + port);
var cnt = 0;
client.ReceiveReady += (sender, e) =>
{
var strs = e.Socket.ReceiveMultipartStrings();
foreach (var str in strs)
{
Console.WriteLine(str);
}
cnt++;
if (cnt == 2)
{
poller.Stop();
}
};
byte[] clientId = Encoding.Unicode.GetBytes("ClientId");
client.Options.Identity = clientId;
const string request = "GET /\r\n";
const string response = "HTTP/1.0 200 OK\r\n" +
"Content-Type: text/plain\r\n" +
"\r\n" +
"Hello, World!";
client.SendFrame(request);
byte[] serverId = server.ReceiveFrameBytes();
Assert.AreEqual(request, server.ReceiveFrameString());
// two messages in a row, not frames
server.SendMoreFrame(serverId).SendFrame(response);
server.SendMoreFrame(serverId).SendFrame(response);
poller.Run();
}
}
public void SeparateControlSocketsObservedMessages()
{
using (var front = new RouterSocket())
using (var back = new DealerSocket())
using (var controlInPush = new PushSocket())
using (var controlInPull = new PullSocket())
using (var controlOutPush = new PushSocket())
using (var controlOutPull = new PullSocket())
{
front.Bind("inproc://frontend");
back.Bind("inproc://backend");
controlInPush.Bind("inproc://controlIn");
controlInPull.Connect("inproc://controlIn");
controlOutPush.Bind("inproc://controlOut");
controlOutPull.Connect("inproc://controlOut");
var proxy = new Proxy(front, back, controlInPush, controlOutPush);
Task.Factory.StartNew(proxy.Start);
using (var client = new RequestSocket())
using (var server = new ResponseSocket())
{
client.Connect("inproc://frontend");
server.Connect("inproc://backend");
client.SendFrame("hello");
Assert.AreEqual("hello", server.ReceiveFrameString());
server.SendFrame("reply");
Assert.AreEqual("reply", client.ReceiveFrameString());
}
Assert.IsNotNull(controlInPull.ReceiveFrameBytes()); // receive identity
Assert.IsEmpty(controlInPull.ReceiveFrameString()); // pull terminator
Assert.AreEqual("hello", controlInPull.ReceiveFrameString());
Assert.IsNotNull(controlOutPull.ReceiveFrameBytes()); // receive identity
Assert.IsEmpty(controlOutPull.ReceiveFrameString()); // pull terminator
Assert.AreEqual("reply", controlOutPull.ReceiveFrameString());
proxy.Stop();
}
}
public void HandleMessage(Message message, RouterSocket serverSocket, PublisherSocket ioPub)
{
this.logger.Debug(string.Format("Message Content {0}", message.Content));
ExecuteRequest executeRequest = JsonSerializer.Deserialize<ExecuteRequest>(message.Content);
this.logger.Info(string.Format("Execute Request received with code {0}", executeRequest.Code));
// 1: Send Busy status on IOPub
this.SendMessageToIOPub(message, ioPub, StatusValues.Busy);
// 2: Send execute input on IOPub
this.SendInputMessageToIOPub(message, ioPub, executeRequest.Code);
// 3: Evaluate the C# code
string code = executeRequest.Code;
ExecutionResult results = this.replEngine.Execute(code);
string codeOutput = this.GetCodeOutput(results);
string codeHtmlOutput = this.GetCodeHtmlOutput(results);
Dictionary<string, object> data = new Dictionary<string, object>()
{
{"text/plain", codeOutput},
{"text/html", codeHtmlOutput}
};
DisplayData displayData = new DisplayData()
{
Data = data,
};
// 4: Send execute reply to shell socket
this.SendExecuteReplyMessage(message, serverSocket);
// 5: Send execute result message to IOPub
this.SendOutputMessageToIOPub(message, ioPub, displayData);
// 6: Send IDLE status message to IOPub
this.SendMessageToIOPub(message, ioPub, StatusValues.Idle);
this.executionCount += 1;
}
public void ZyrePeerTests()
{
var peers = new Dictionary<Guid, ZyrePeer>();
var me = Guid.NewGuid();
var you = Guid.NewGuid();
using (var peer = ZyrePeer.NewPeer(peers, you, ConsoleWrite))
{
using (var mailbox = new RouterSocket("tcp://127.0.0.1:5551")) // RouterSocket default action binds to the address
{
peer.Connected.Should().BeFalse();
peer.Name = "PeerYou";
peer.Name.Should().Be("PeerYou");
peer.Connect(me, "tcp://127.0.0.1:5551"); // create a DealerSocket connected to router on 5551
peer.Connected.Should().BeTrue();
var helloMsg = new ZreMsg
{
Id = ZreMsg.MessageId.Hello,
Hello =
{
Endpoint = "tcp://127.0.0.1:5552",
Name = "PeerMe"
},
};
var success = peer.Send(helloMsg);
success.Should().BeTrue();
var msg = new ZreMsg();
msg.Receive(mailbox);
var identityMe = ZyrePeer.GetIdentity(me);
var routingEqual = msg.RoutingId.SequenceEqual(identityMe);
routingEqual.Should().BeTrue();
var hello = msg.Hello;
hello.Version.Should().Be(2);
hello.Sequence.Should().Be(1);
hello.Endpoint.Should().Be("tcp://127.0.0.1:5552");
hello.Status.Should().Be(0);
hello.Name.Should().Be("PeerMe");
hello.Headers.Count.Should().Be(0);
}
}
}
public void Mandatory()
{
using (var router = new RouterSocket())
{
router.Options.RouterMandatory = true;
router.Bind("tcp://127.0.0.1:5555");
using (var dealer = new DealerSocket())
{
dealer.Options.Identity = Encoding.ASCII.GetBytes("1");
dealer.Connect("tcp://127.0.0.1:5555");
dealer.SendFrame("Hello");
Assert.AreEqual("1", router.ReceiveFrameString());
Assert.AreEqual("Hello", router.ReceiveFrameString());
}
Thread.Sleep(100);
Assert.Throws<HostUnreachableException>(() => router.SendMoreFrame("1").SendFrame("Hello"));
}
}
public void Handover()
{
using (var router = new RouterSocket())
using (var dealer1 = new DealerSocket())
{
router.Options.RouterHandover = true;
router.Bind("inproc://127.0.0.1:5555");
dealer1.Options.Identity = Encoding.ASCII.GetBytes("ID");
dealer1.Connect("inproc://127.0.0.1:5555");
dealer1.SendMoreFrame("Hello").SendFrame("World");
var identity = router.ReceiveFrameString();
Assert.AreEqual("ID", identity);
using (var dealer2 = new DealerSocket())
{
dealer2.Options.Identity = Encoding.ASCII.GetBytes("ID");
dealer2.Connect("inproc://127.0.0.1:5555");
// We have new peer which should take over, however we are still reading a message
var message = router.ReceiveFrameString();
Assert.AreEqual("Hello", message);
message = router.ReceiveFrameString();
Assert.AreEqual("World", message);
dealer2.SendMoreFrame("Hello").SendFrame("World");
identity = router.ReceiveFrameString();
Assert.AreEqual("ID", identity);
message = router.ReceiveFrameString();
Assert.AreEqual("Hello", message);
message = router.ReceiveFrameString();
Assert.AreEqual("World", message);
}
}
}
public void InprocRouterDealerTest()
{
// The main thread simply starts several clients and a server, and then
// waits for the server to finish.
var readyMsg = Encoding.UTF8.GetBytes("RDY");
var freeWorkers = new Queue<byte[]>();
using (var backendsRouter = new RouterSocket())
{
backendsRouter.Options.Identity = Guid.NewGuid().ToByteArray();
backendsRouter.Bind("inproc://backend");
backendsRouter.ReceiveReady += (o, e) =>
{
// Handle worker activity on backend
while (e.Socket.HasIn)
{
var msg = e.Socket.ReceiveMultipartMessage();
var idRouter = msg.Pop();
// forget the empty frame
if (msg.First.IsEmpty)
msg.Pop();
var id = msg.Pop();
if (msg.First.IsEmpty)
msg.Pop();
if (msg.FrameCount == 1)
{
// worker send RDY message queue his Identity to the free workers queue
if (readyMsg[0] == msg[0].Buffer[0] &&
readyMsg[1] == msg[0].Buffer[1] &&
readyMsg[2] == msg[0].Buffer[2])
{
lock (freeWorkers)
{
freeWorkers.Enqueue(id.Buffer);
}
}
}
}
};
var poller = new NetMQPoller { backendsRouter };
for (int i = 0; i < 2; i++)
{
var workerThread = new Thread(state =>
{
byte[] routerId = (byte[])state;
byte[] workerId = Guid.NewGuid().ToByteArray();
using (var workerSocket = new DealerSocket())
{
workerSocket.Options.Identity = workerId;
workerSocket.Connect("inproc://backend");
var workerReadyMsg = new NetMQMessage();
workerReadyMsg.Append(workerId);
workerReadyMsg.AppendEmptyFrame();
workerReadyMsg.Append(readyMsg);
workerSocket.SendMultipartMessage(workerReadyMsg);
Thread.Sleep(1000);
}
});
workerThread.IsBackground = true;
workerThread.Name = "worker" + i;
workerThread.Start(backendsRouter.Options.Identity);
}
poller.RunAsync();
Thread.Sleep(1000);
poller.Stop();
Assert.AreEqual(2, freeWorkers.Count);
}
}
public void ReconnectOnRouterBug()
{
{
using (var dealer = new DealerSocket())
{
dealer.Options.Identity = Encoding.ASCII.GetBytes("dealer");
dealer.Bind("tcp://localhost:6667");
using (var router = new RouterSocket())
{
router.Options.RouterMandatory = true;
router.Connect("tcp://localhost:6667");
Thread.Sleep(100);
router.SendMoreFrame("dealer").SendFrame("Hello");
var message = dealer.ReceiveFrameString();
Assert.That(message == "Hello");
router.Disconnect("tcp://localhost:6667");
Thread.Sleep(1000);
router.Connect("tcp://localhost:6667");
Thread.Sleep(100);
router.SendMoreFrame("dealer").SendFrame("Hello");
message = dealer.ReceiveFrameString();
Assert.That(message == "Hello");
}
}
}
}
public void HasInTest()
{
using (var server = new RouterSocket())
using (var client = new DealerSocket())
{
var port = server.BindRandomPort("tcp://*");
// no one sent a message so it should be false
Assert.IsFalse(server.HasIn);
client.Connect("tcp://localhost:" + port);
// wait for the client to connect
Thread.Sleep(100);
// now we have one client connected but didn't send a message yet
Assert.IsFalse(server.HasIn);
client.SendFrame("1");
// wait for the message to arrive
Thread.Sleep(100);
// the has in should indicate a message is ready
Assert.IsTrue(server.HasIn);
server.SkipFrame(); // identity
string message = server.ReceiveFrameString();
Assert.AreEqual(message, "1");
// we read the message, it should false again
Assert.IsFalse(server.HasIn);
}
}
public void RemoveSocket()
{
using (var router1 = new RouterSocket())
using (var router2 = new RouterSocket())
using (var router3 = new RouterSocket())
using (var dealer1 = new DealerSocket())
using (var dealer2 = new DealerSocket())
using (var dealer3 = new DealerSocket())
using (var poller = new NetMQPoller { router1, router2, router3 })
{
int port1 = router1.BindRandomPort("tcp://127.0.0.1");
int port2 = router2.BindRandomPort("tcp://127.0.0.1");
int port3 = router3.BindRandomPort("tcp://127.0.0.1");
dealer1.Connect("tcp://127.0.0.1:" + port1);
dealer2.Connect("tcp://127.0.0.1:" + port2);
dealer3.Connect("tcp://127.0.0.1:" + port3);
bool first = true;
router1.ReceiveReady += (s, e) =>
{
if (!first)
Assert.Fail("This should not happen because we cancelled the socket");
first = false;
// identity
e.Socket.SkipFrame();
bool more;
Assert.AreEqual("Hello", e.Socket.ReceiveFrameString(out more));
Assert.False(more);
// cancelling the socket
poller.Remove(e.Socket); // remove self
};
router2.ReceiveReady += (s, e) =>
{
// identity
byte[] identity = e.Socket.ReceiveFrameBytes();
// message
e.Socket.SkipFrame();
e.Socket.SendMoreFrame(identity);
e.Socket.SendFrame("2");
};
router3.ReceiveReady += (s, e) =>
{
// identity
byte[] identity = e.Socket.ReceiveFrameBytes();
// message
e.Socket.SkipFrame();
e.Socket.SendMoreFrame(identity).SendFrame("3");
};
Task pollerTask = Task.Factory.StartNew(poller.Run);
// Send three messages. Only the first will be processed, as then handler removes
// the socket from the poller.
dealer1.SendFrame("Hello");
dealer1.SendFrame("Hello2");
dealer1.SendFrame("Hello3");
// making sure the socket defined before the one cancelled still works
dealer2.SendFrame("1");
Assert.AreEqual("2", dealer2.ReceiveFrameString());
// making sure the socket defined after the one cancelled still works
dealer3.SendFrame("1");
Assert.AreEqual("3", dealer3.ReceiveFrameString());
poller.Stop();
Assert.IsTrue(pollerTask.IsCompleted);
}
}
public void RawSocket()
{
using (var router = new RouterSocket())
using (var clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
router.Options.RouterRawSocket = true;
var port = router.BindRandomPort("tcp://127.0.0.1");
clientSocket.Connect("127.0.0.1", port);
clientSocket.NoDelay = true;
byte[] clientMessage = Encoding.ASCII.GetBytes("HelloRaw");
int bytesSent = clientSocket.Send(clientMessage);
Assert.Greater(bytesSent, 0);
byte[] id = router.ReceiveFrameBytes();
byte[] message = router.ReceiveFrameBytes();
router.SendMoreFrame(id).SendMoreFrame(message); // SendMore option is ignored
var buffer = new byte[16];
int bytesRead = clientSocket.Receive(buffer);
Assert.Greater(bytesRead, 0);
Assert.AreEqual(Encoding.ASCII.GetString(buffer, 0, bytesRead), "HelloRaw");
}
}
public void SimpleTimer()
{
// TODO it is not really clear what this test is actually testing -- maybe split it into a few smaller tests
using (var router = new RouterSocket())
using (var dealer = new DealerSocket())
using (var poller = new NetMQPoller { router })
{
int port = router.BindRandomPort("tcp://127.0.0.1");
dealer.Connect("tcp://127.0.0.1:" + port);
bool messageArrived = false;
router.ReceiveReady += (s, e) =>
{
Assert.IsFalse(messageArrived);
router.SkipFrame();
router.SkipFrame();
messageArrived = true;
};
bool timerTriggered = false;
int count = 0;
const int timerIntervalMillis = 100;
var timer = new NetMQTimer(TimeSpan.FromMilliseconds(timerIntervalMillis));
timer.Elapsed += (s, a) =>
{
// the timer should jump before the message
Assert.IsFalse(messageArrived);
timerTriggered = true;
timer.Enable = false;
count++;
};
poller.Add(timer);
poller.RunAsync();
Thread.Sleep(150);
dealer.SendFrame("hello");
Thread.Sleep(300);
poller.Stop();
Assert.IsTrue(messageArrived);
Assert.IsTrue(timerTriggered);
Assert.AreEqual(1, count);
}
}
public void RemoveTimer()
{
using (var router = new RouterSocket())
using (var dealer = new DealerSocket())
using (var poller = new NetMQPoller { router })
{
int port = router.BindRandomPort("tcp://127.0.0.1");
dealer.Connect("tcp://127.0.0.1:" + port);
bool timerTriggered = false;
var timer = new NetMQTimer(TimeSpan.FromMilliseconds(100));
timer.Elapsed += (s, a) => { timerTriggered = true; };
// The timer will fire after 100ms
poller.Add(timer);
bool messageArrived = false;
router.ReceiveReady += (s, e) =>
{
router.SkipFrame();
router.SkipFrame();
messageArrived = true;
// Remove timer
poller.Remove(timer);
};
poller.RunAsync();
Thread.Sleep(20);
dealer.SendFrame("hello");
Thread.Sleep(300);
poller.Stop();
Assert.IsTrue(messageArrived);
Assert.IsFalse(timerTriggered);
}
}
/// <summary>
/// Release any contained resources.
/// </summary>
/// <param name="disposing">true if managed resources are to be released</param>
protected virtual void Dispose(bool disposing)
{
if (!disposing)
return;
if (_outbox != null)
{
_outbox.Dispose();
_outbox = null;
}
if (_poller != null)
{
_poller.Stop();
_poller.Dispose();
_poller = null;
}
if (_beacon != null)
{
_beacon.Dispose();
_beacon = null;
}
if (_inbox != null)
{
_inbox.Dispose();
_inbox = null;
}
foreach (var peer in _peers.Values)
{
peer.Destroy();
}
foreach (var group in _peerGroups.Values)
{
group.Dispose();
}
foreach (var group in _ownGroups.Values)
{
group.Dispose();
}
}
private ZreNode(PairSocket outbox)
{
_inbox = new RouterSocket();
// Use ZMQ_ROUTER_HANDOVER so that when a peer disconnects and
// then reconnects, the new client connection is treated as the
// canonical one, and any old trailing commands are discarded.
// NOTE: This RouterHandover option apparently doesn't exist in NetMQ
// so I IGNORE it for now. DaleBrubaker Feb 1 2016
_outbox = outbox;
//_beaconPort = ZreDiscoveryPort;
_interval = TimeSpan.Zero; // Use default
_uuid = Guid.NewGuid();
_peers = new Dictionary<Guid, ZrePeer>();
_peerGroups = new Dictionary<string, ZreGroup>();
_ownGroups = new Dictionary<string, ZreGroup>();
_headers = new Dictionary<string, string>();
// Default name for node is first 6 characters of UUID:
// the shorter string is more readable in logs
_name = _uuid.ToString().ToUpper().Substring(0, 6);
_actor = NetMQActor.Create(RunActor);
}
public void Router_Dealer_Demonstrating_Messages_From_Subscribers_To_Publisher()
{
// NOTES
// 1. Use ThreadLocal<DealerSocket> where each thread has
// its own client DealerSocket to talk to server
// 2. Each thread can send using it own socket
// 3. Each thread socket is added to poller
const int delay = 500; // millis
var clientSocketPerThread = new ThreadLocal<DealerSocket>();
using (var server = new RouterSocket("@tcp://127.0.0.1:5556"))
{
using (var poller = new NetMQPoller())
{
// Start some threads, each with its own DealerSocket
// to talk to the server socket. Creates lots of sockets,
// but no nasty race conditions no shared state, each
// thread has its own socket, happy days.
for (int i = 0; i < 4; i++)
{
Task.Factory.StartNew(state =>
{
DealerSocket client = null;
if (!clientSocketPerThread.IsValueCreated)
{
client = new DealerSocket();
client.Options.Identity =
Encoding.Unicode.GetBytes(state.ToString());
client.Connect("tcp://127.0.0.1:5556");
client.ReceiveReady += Client_ReceiveReady;
clientSocketPerThread.Value = client;
poller.Add(client);
}
else
{
client = clientSocketPerThread.Value;
}
while (true)
{
NetMQMessage messageToServer = new NetMQMessage();
messageToServer.AppendEmptyFrame();
messageToServer.Append(state.ToString());
Console.WriteLine("======================================");
Console.WriteLine(" OUTGOING MESSAGE TO SERVER ");
Console.WriteLine("======================================");
PrintFrames("Client Sending", messageToServer);
client.SendMultipartMessage(messageToServer);
Thread.Sleep(delay);
}
},
string.Format("client {0}", i),
TaskCreationOptions.LongRunning);
}
// start the poller
poller.RunAsync();
// server loop
for(int i=0;i<6;i++)
{
NetMQMessage clientMessage = server.ReceiveMessage();
Console.WriteLine("======================================");
Console.WriteLine(" INCOMING CLIENT MESSAGE FROM CLIENT ");
Console.WriteLine("======================================");
PrintFrames("Server receiving", clientMessage);
if (clientMessage.FrameCount == 3)
{
var clientAddress = clientMessage[0];
var clientOriginalMessage = clientMessage[2].ConvertToString();
string response = string.Format("{0} back from server {1}",
clientOriginalMessage,
DateTime.Now.ToLongTimeString());
var messageToClient = new NetMQMessage();
messageToClient.Append(clientAddress);
messageToClient.AppendEmptyFrame();
messageToClient.Append(response);
server.SendMultipartMessage(messageToClient);
}
}
}
}
}
public void AddSocketDuringWork()
{
using (var router1 = new RouterSocket())
using (var router2 = new RouterSocket())
using (var dealer1 = new DealerSocket())
using (var dealer2 = new DealerSocket())
using (var poller = new NetMQPoller { router1 })
{
int port1 = router1.BindRandomPort("tcp://127.0.0.1");
int port2 = router2.BindRandomPort("tcp://127.0.0.1");
dealer1.Connect("tcp://127.0.0.1:" + port1);
dealer2.Connect("tcp://127.0.0.1:" + port2);
bool router1Arrived = false;
bool router2Arrived = false;
var signal1 = new ManualResetEvent(false);
var signal2 = new ManualResetEvent(false);
router1.ReceiveReady += (s, e) =>
{
router1.SkipFrame();
router1.SkipFrame();
router1Arrived = true;
poller.Add(router2);
signal1.Set();
};
router2.ReceiveReady += (s, e) =>
{
router2.SkipFrame();
router2.SkipFrame();
router2Arrived = true;
signal2.Set();
};
poller.RunAsync();
dealer1.SendFrame("1");
Assert.IsTrue(signal1.WaitOne(300));
dealer2.SendFrame("2");
Assert.IsTrue(signal2.WaitOne(300));
poller.Stop();
Assert.IsTrue(router1Arrived);
Assert.IsTrue(router2Arrived);
}
}
public void RequestResponseMultipartMessageWithRetrySucceedsNotOnFirstTry()
{
const string address = "tcp://127.0.0.1:50001";
const string pubAddress = "tcp://127.0.0.1:60001";
const int numTries = 5;
var requestTimeout = TimeSpan.FromMilliseconds(100);
var requestMessage = new NetMQMessage(1);
requestMessage.Append("Hi");
using (var progressPublisher = new PublisherSocket(pubAddress))
using (var progressSubscriber = new SubscriberSocket(pubAddress))
using (var server = new RouterSocket(address))
{
progressSubscriber.SubscribeToAnyTopic();
var progressProactor = new NetMQProactor(progressSubscriber, (socket, message) =>
Console.WriteLine("C: {0} {1:ss.fff}", message[0].ConvertToString(), DateTime.Now));
int attempt = 0;
var serverProactor = new NetMQProactor(server, (socket, message) =>
{
Console.WriteLine("ResponseEcho recieved message {0} at {1:ss.fff}", message[2].ConvertToString(),
DateTime.Now);
attempt++;
if (attempt > 1)
{
// reply same message
socket.SendMultipartMessage(message);
}
});
using (serverProactor)
using (progressProactor)
{
var responseMessage = RequestSocket.RequestResponseMultipartMessageWithRetry(address,
requestMessage, numTries, requestTimeout, progressPublisher);
Assert.IsNotNull(responseMessage);
Assert.AreEqual(1, responseMessage.FrameCount);
var responseString = responseMessage.First.ConvertToString();
Assert.AreEqual("Hi", responseString);
}
}
}