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 async Task <bool> Send(StageAddress address, byte[] data)
{
if (address.Address == null)
{
address = await LocalAddress();
}
//try send on known peers
var reqSocket = new NetMQ.Sockets.DealerSocket();
reqSocket.Options.Identity = Guid.NewGuid().ToByteArray();
reqSocket.Connect(address.Address);
var messageToServer = new NetMQMessage();
messageToServer.AppendEmptyFrame();
messageToServer.Append(data);
reqSocket.SendMultipartMessage(messageToServer);
return(true);
}
public void BindRandom()
{
using (var randomDealer = new DealerSocket())
using (var connectingDealer = new DealerSocket())
{
int port = randomDealer.BindRandomPort("tcp://*");
connectingDealer.Connect("tcp://127.0.0.1:" + port);
randomDealer.SendFrame("test");
Assert.AreEqual("test", connectingDealer.ReceiveFrameString());
}
}
public void CheckTrySendFails()
{
using (var dealer = new DealerSocket())
{
dealer.Options.SendHighWatermark = 1;
dealer.Options.Linger = TimeSpan.Zero;
dealer.Connect("tcp://127.0.0.1:55555");
Thread.Sleep(100);
var success = dealer.TrySendFrame("1");
Assert.IsTrue(success); // because the SendHighWatermark allows it into the buffers
success = dealer.TrySendFrame("2");
Assert.IsFalse(success);
}
}
public void ReceiveMessage()
{
using (var server = new DealerSocket("@tcp://127.0.0.1:5555"))
using (var client = new DealerSocket(">tcp://127.0.0.1:5555"))
using (var manualResetEvent = new ManualResetEvent(false))
using (new NetMQProactor(client, (socket, message) =>
{
manualResetEvent.Set();
Assert.AreSame(client, socket);
}))
{
server.SendFrame("Hello");
Assert.IsTrue(manualResetEvent.WaitOne(100));
}
}
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 BindToLocal()
{
var validAliasesForLocalHost = new[] { "127.0.0.1", "localhost", Dns.GetHostName() };
foreach (var alias in validAliasesForLocalHost)
{
using (var localDealer = new DealerSocket())
using (var connectingDealer = new DealerSocket())
{
var port = localDealer.BindRandomPort("tcp://*");
connectingDealer.Connect(string.Format("tcp://{0}:{1}", alias, port));
localDealer.SendFrame("test");
Assert.AreEqual("test", connectingDealer.ReceiveFrameString());
Console.WriteLine(alias + " connected ");
}
}
}
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 NoBlock()
{
const int count = 1000;
NetMQConfig.Linger = TimeSpan.FromSeconds(0.5);
using (var client = new DealerSocket(">tcp://localhost:5557"))
{
// Sending a lot of messages
client.Options.SendHighWatermark = count;
for (int i = 0; i < count; i++)
{
client.SendFrame("Hello");
}
}
Stopwatch stopwatch = Stopwatch.StartNew();
NetMQConfig.Cleanup(false);
stopwatch.Stop();
Assert.Less(stopwatch.ElapsedMilliseconds, 500);
}
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 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 Unbind(string protocol)
{
using (var server = new DealerSocket())
{
string address1, address2;
// just making sure can bind on both addresses
using (var client1 = new DealerSocket())
using (var client2 = new DealerSocket())
{
if (protocol == "tcp")
{
var port1 = server.BindRandomPort("tcp://localhost");
var port2 = server.BindRandomPort("tcp://localhost");
address1 = "tcp://localhost:" + port1;
address2 = "tcp://localhost:" + port2;
client1.Connect(address1);
client2.Connect(address2);
}
else
{
Debug.Assert(protocol == "inproc");
address1 = "inproc://localhost1";
address2 = "inproc://localhost2";
server.Bind(address1);
server.Bind(address2);
client1.Connect(address1);
client2.Connect(address2);
}
Thread.Sleep(100);
// we should be connected to both server
client1.SendFrame("1");
client2.SendFrame("2");
// the server receive from both
server.SkipFrame();
server.SkipFrame();
}
// unbind second address
server.Unbind(address2);
Thread.Sleep(100);
using (var client1 = new DealerSocket())
using (var client2 = new DealerSocket())
{
client1.Options.DelayAttachOnConnect = true;
client1.Connect(address1);
client2.Options.DelayAttachOnConnect = true;
if (protocol == "tcp")
{
client2.Connect(address2);
client1.SendFrame("1");
server.SkipFrame();
Assert.IsFalse(client2.TrySendFrame(TimeSpan.FromSeconds(2), "2"));
}
else
{
Assert.Throws<EndpointNotFoundException>(() => { client2.Connect(address2); });
}
}
}
}
public void Disconnect(string protocol)
{
using (var server1 = new DealerSocket())
using (var server2 = new DealerSocket())
using (var client = new DealerSocket())
{
string address2;
if (protocol == "tcp")
{
var port1 = server1.BindRandomPort("tcp://localhost");
var port2 = server2.BindRandomPort("tcp://localhost");
client.Connect("tcp://localhost:" + port1);
client.Connect("tcp://localhost:" + port2);
address2 = "tcp://localhost:" + port2;
}
else
{
server1.Bind("inproc://localhost1");
server2.Bind("inproc://localhost2");
client.Connect("inproc://localhost1");
client.Connect("inproc://localhost2");
address2 = "inproc://localhost2";
}
Thread.Sleep(100);
// we should be connected to both server
client.SendFrame("1");
client.SendFrame("2");
// make sure client is connected to both servers
server1.SkipFrame();
server2.SkipFrame();
// disconnect from server2, server 1 should receive all messages
client.Disconnect(address2);
Thread.Sleep(100);
client.SendFrame("1");
client.SendFrame("2");
server1.SkipFrame();
server1.SkipFrame();
}
}
public void HasOutTest()
{
using (var server = new DealerSocket())
{
using (var client = new DealerSocket())
{
var port = server.BindRandomPort("tcp://*");
// no client is connected so we don't have out
Assert.IsFalse(server.HasOut);
Assert.IsFalse(client.HasOut);
client.Connect("tcp://localhost:" + port);
Thread.Sleep(200);
// client is connected so server should have out now, client as well
Assert.IsTrue(server.HasOut);
Assert.IsTrue(client.HasOut);
}
//Thread.Sleep(2000);
// client is disposed,server shouldn't have out now
//Assert.IsFalse(server.HasOut);
}
}
public void DisposeImmediately()
{
using (var server = new DealerSocket())
{
server.BindRandomPort("tcp://*");
}
}
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 AddTwoSocketAfterRemoving()
{
using (var router1 = new RouterSocket())
using (var router2 = new RouterSocket())
using (var router3 = new RouterSocket())
using (var router4 = new RouterSocket())
using (var dealer1 = new DealerSocket())
using (var dealer2 = new DealerSocket())
using (var dealer3 = new DealerSocket())
using (var dealer4 = new DealerSocket())
using (var poller = new NetMQPoller { router1, router2 })
{
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");
int port4 = router4.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);
dealer4.Connect("tcp://127.0.0.1:" + port4);
int router1Arrived = 0;
int router2Arrived = 0;
bool router3Arrived = false;
bool router4Arrived = false;
var signal1 = new ManualResetEvent(false);
var signal2 = new ManualResetEvent(false);
var signal3 = new ManualResetEvent(false);
var signal4 = new ManualResetEvent(false);
router1.ReceiveReady += (s, e) =>
{
router1Arrived++;
router1.SkipFrame(); // identity
router1.SkipFrame(); // message
poller.Remove(router1);
signal1.Set();
};
router2.ReceiveReady += (s, e) =>
{
router2Arrived++;
router2.SkipFrame(); // identity
router2.SkipFrame(); // message
if (router2Arrived == 1)
{
poller.Add(router3);
poller.Add(router4);
signal2.Set();
}
};
router3.ReceiveReady += (s, e) =>
{
router3.SkipFrame(); // identity
router3.SkipFrame(); // message
router3Arrived = true;
signal3.Set();
};
router4.ReceiveReady += (s, e) =>
{
router4.SkipFrame(); // identity
router4.SkipFrame(); // message
router4Arrived = true;
signal4.Set();
};
poller.RunAsync();
dealer1.SendFrame("1");
Assert.IsTrue(signal1.WaitOne(300));
dealer2.SendFrame("2");
Assert.IsTrue(signal2.WaitOne(300));
dealer3.SendFrame("3");
dealer4.SendFrame("4");
dealer2.SendFrame("2");
dealer1.SendFrame("1");
Assert.IsTrue(signal3.WaitOne(300));
Assert.IsTrue(signal4.WaitOne(300));
poller.Stop();
router1.SkipFrame();
bool more;
Assert.AreEqual("1", router1.ReceiveFrameString(out more));
Assert.IsFalse(more);
Assert.AreEqual(1, router1Arrived);
Assert.AreEqual(2, router2Arrived);
Assert.IsTrue(router3Arrived);
Assert.IsTrue(router4Arrived);
}
}
/// <summary>
/// Connect peer mailbox
/// Configures a DealerSocket mailbox connected to peer's router endpoint
/// </summary>
/// <param name="replyTo"></param>
/// <param name="endpoint"></param>
internal void Connect(Guid replyTo, string endpoint)
{
Debug.Assert(!Connected);
// Create new outgoing socket (drop any messages in transit)
_mailbox = new DealerSocket(endpoint) // default action is to connect to the peer node
{
Options =
{
// Set our own identity on the socket so that receiving node
// knows who each message came from. Note that we cannot use
// the UUID directly as the identity since it may contain a
// zero byte at the start, which libzmq does not like for
// historical and arguably bogus reasons that it nonetheless
// enforces.
Identity = GetIdentity(replyTo),
// Set a high-water mark that allows for reasonable activity
SendHighWatermark = PeerExpired * 100,
// SendTimeout = TimeSpan.Zero Instead of this, ZreMsg.Send() uses TrySend() with TimeSpan.Zero
}
};
Endpoint = endpoint;
Connected = true;
Ready = false;
_loggerDelegate?.Invoke($"{nameof(ZyrePeer)}.{nameof(Connect)}() has connected its DealerSocket mailbox to peer={this}");
}
public void SimpleTimer()
{
// TODO it is not really clear what this test is actually testing -- maybe split it into a few smaller tests
using (var router = new RouterSocket())
using (var dealer = new DealerSocket())
using (var poller = new NetMQPoller { router })
{
int port = router.BindRandomPort("tcp://127.0.0.1");
dealer.Connect("tcp://127.0.0.1:" + port);
bool messageArrived = false;
router.ReceiveReady += (s, e) =>
{
Assert.IsFalse(messageArrived);
router.SkipFrame();
router.SkipFrame();
messageArrived = true;
};
bool timerTriggered = false;
int count = 0;
const int timerIntervalMillis = 100;
var timer = new NetMQTimer(TimeSpan.FromMilliseconds(timerIntervalMillis));
timer.Elapsed += (s, a) =>
{
// the timer should jump before the message
Assert.IsFalse(messageArrived);
timerTriggered = true;
timer.Enable = false;
count++;
};
poller.Add(timer);
poller.RunAsync();
Thread.Sleep(150);
dealer.SendFrame("hello");
Thread.Sleep(300);
poller.Stop();
Assert.IsTrue(messageArrived);
Assert.IsTrue(timerTriggered);
Assert.AreEqual(1, count);
}
}
/// <summary>
/// Disconnect peer mailbox
/// No more messages will be sent to peer until connected again
/// </summary>
internal void Disconnect()
{
if (Connected)
{
_loggerDelegate?.Invoke($"{nameof(ZyrePeer)}.{nameof(Disconnect)}() disposing mailbox for peer={this}");
_mailbox.Dispose();
_mailbox = null;
Endpoint = null;
Connected = false;
Ready = false;
}
}
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 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);
}
}
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 Ipv6ToIpv6()
{
using (var localDealer = new DealerSocket())
using (var connectingDealer = new DealerSocket())
{
localDealer.Options.IPv4Only = false;
var port = localDealer.BindRandomPort("tcp://*");
connectingDealer.Options.IPv4Only = false;
connectingDealer.Connect(string.Format("tcp://{0}:{1}", IPAddress.IPv6Loopback, port));
connectingDealer.SendFrame("test");
Assert.AreEqual("test", localDealer.ReceiveFrameString());
}
}
public void ConnectionStringMultipleAddresses()
{
using (DealerSocket server1 = new DealerSocket("@tcp://127.0.0.1:5555"))
using (DealerSocket server2 = new DealerSocket("@tcp://127.0.0.1:5556,@tcp://127.0.0.1:5557"))
using (DealerSocket client = new DealerSocket("tcp://127.0.0.1:5555,tcp://127.0.0.1:5556,tcp://127.0.0.1:5557"))
{
// send three helloes
client.SendFrame("Hello");
client.SendFrame("Hello");
client.SendFrame("Hello");
Assert.AreEqual("Hello", server1.ReceiveFrameString());
Assert.AreEqual("Hello", server2.ReceiveFrameString());
Assert.AreEqual("Hello", server2.ReceiveFrameString());
}
}
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);
}
}
