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 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 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 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 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); } }
public void Messages_From_Router_To_Dealer() { Console.Write("Test sending message from publisher(router) to subscribers (dealer).\n"); int maxMessage = 5; CountdownEvent cd = new CountdownEvent(maxMessage); string endpoint; using (var publisher = new RouterSocket()) using (var subscriber = new DealerSocket()) using (var poller = new NetMQPoller { subscriber }) { publisher.Bind("tcp://127.0.0.1:0"); endpoint = publisher.Options.LastEndpoint; subscriber.Connect(endpoint); subscriber.ReceiveReady += (sender, e) => { var strs = e.Socket.ReceiveMultipartStrings(); foreach (var str in strs) { Console.WriteLine("Subscribe: " + str); } cd.Signal(); }; byte[] clientId = Encoding.Unicode.GetBytes("ClientId"); subscriber.Options.Identity = clientId; const string request = "Ping"; // Work around "feature" of router/dealer: the publisher does not know the subscriber exists, until it // sends at least one message which makes it necessary to open the connection. I believe this is a // low-level feature of the TCP/IP transport. subscriber.SendFrame(request); // Ping. byte[] serverId = publisher.ReceiveFrameBytes(); Assert.AreEqual(request, publisher.ReceiveFrameString()); for (int i = 0; i < maxMessage; i++) { string msg = string.Format("[message: {0}]", i); Console.Write("Publish: {0}\n", msg); publisher.SendMoreFrame(serverId).SendFrame(msg); } poller.RunAsync(); if (cd.Wait(TimeSpan.FromSeconds(10)) == false) // Blocks until _countdown.Signal has been called. { Assert.Fail("Timed out, this test should complete in less than 10 seconds."); } } }
public void Messages_From_Dealer_To_Router() { int maxMessage = 5; CountdownEvent cd = new CountdownEvent(maxMessage); Console.Write("Test sending message from subscribers (dealer) to publisher(router).\n"); using (var publisher = new RouterSocket()) using (var subscriber = new DealerSocket()) using (var poller = new NetMQPoller { subscriber }) { var port = publisher.BindRandomPort("tcp://*"); subscriber.Connect("tcp://127.0.0.1:" + port); subscriber.ReceiveReady += (sender, e) => { var strs = e.Socket.ReceiveMultipartStrings(); foreach (var str in strs) { Console.WriteLine(str); } cd.Signal(); }; byte[] clientId = Encoding.Unicode.GetBytes("ClientId"); subscriber.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!"; subscriber.SendFrame(request); byte[] serverId = publisher.ReceiveFrameBytes(); Assert.AreEqual(request, publisher.ReceiveFrameString()); for (int i = 0; i < maxMessage; i++) { publisher.SendMoreFrame(serverId).SendFrame(response); } poller.RunAsync(); if (cd.Wait(TimeSpan.FromSeconds(10)) == false) // Blocks until _countdown.Signal has been called. { Assert.Fail("Timed out, this test should complete in less than 10 seconds."); } } }