public void ClientReceiveTimeout()
{
IMessagingSystemFactory aMessaging = new WebSocketMessagingSystemFactory()
{
ReceiveTimeout = TimeSpan.FromMilliseconds(1000)
};
IDuplexOutputChannel anOutputChannel = aMessaging.CreateDuplexOutputChannel("ws://127.0.0.1:8046/");
IDuplexInputChannel anInputChannel = aMessaging.CreateDuplexInputChannel("ws://127.0.0.1:8046/");
try
{
ManualResetEvent aConnectionClosed = new ManualResetEvent(false);
anOutputChannel.ConnectionClosed += (x, y) =>
{
EneterTrace.Info("Connection closed.");
aConnectionClosed.Set();
};
anInputChannel.StartListening();
anOutputChannel.OpenConnection();
EneterTrace.Info("Connection opened.");
// According to set receive timeout the client should get disconnected within 1 second.
//aConnectionClosed.WaitOne();
Assert.IsTrue(aConnectionClosed.WaitOne(3000));
}
finally
{
anOutputChannel.CloseConnection();
anInputChannel.StopListening();
}
}
public void MulticastLoopback()
{
UdpMessagingSystemFactory aMessaging = new UdpMessagingSystemFactory(new EasyProtocolFormatter())
{
UnicastCommunication = false,
MulticastGroupToReceive = "234.1.2.3",
MulticastLoopback = true
};
ManualResetEvent aMessageReceived = new ManualResetEvent(false);
string aReceivedMessage = null;
IDuplexOutputChannel anOutputChannel = aMessaging.CreateDuplexOutputChannel("udp://234.1.2.3:8090/", "udp://0.0.0.0:8090/");
anOutputChannel.ResponseMessageReceived += (x, y) =>
{
aReceivedMessage = (string)y.Message;
aMessageReceived.Set();
};
try
{
anOutputChannel.OpenConnection();
anOutputChannel.SendMessage("Hello");
aMessageReceived.WaitIfNotDebugging(1000);
}
finally
{
anOutputChannel.CloseConnection();
}
Assert.AreEqual("Hello", aReceivedMessage);
}
public void BroadcastFromClientToAllServices()
{
UdpMessagingSystemFactory anOutputChannelMessaging = new UdpMessagingSystemFactory(new EasyProtocolFormatter())
{
UnicastCommunication = false,
AllowSendingBroadcasts = true
};
UdpMessagingSystemFactory anInputChannelMessaging = new UdpMessagingSystemFactory(new EasyProtocolFormatter())
{
UnicastCommunication = false,
ReuseAddress = true
};
ManualResetEvent aMessage1Received = new ManualResetEvent(false);
string aReceivedMessage1 = null;
IDuplexInputChannel anInputChannel1 = anInputChannelMessaging.CreateDuplexInputChannel("udp://127.0.0.1:8095/");
anInputChannel1.MessageReceived += (x, y) =>
{
aReceivedMessage1 = (string)y.Message;
aMessage1Received.Set();
};
ManualResetEvent aMessage2Received = new ManualResetEvent(false);
string aReceivedMessage2 = null;
IDuplexInputChannel anInputChannel2 = anInputChannelMessaging.CreateDuplexInputChannel("udp://127.0.0.1:8095/");
anInputChannel2.MessageReceived += (x, y) =>
{
aReceivedMessage2 = (string)y.Message;
aMessage2Received.Set();
};
IDuplexOutputChannel anOutputChannel = anOutputChannelMessaging.CreateDuplexOutputChannel("udp://255.255.255.255:8095/", "udp://127.0.0.1");
try
{
anInputChannel1.StartListening();
anInputChannel2.StartListening();
anOutputChannel.OpenConnection();
anOutputChannel.SendMessage("Hello");
aMessage1Received.WaitIfNotDebugging(1000);
aMessage2Received.WaitIfNotDebugging(1000);
}
finally
{
anOutputChannel.CloseConnection();
anInputChannel1.StopListening();
anInputChannel2.StopListening();
}
Assert.AreEqual("Hello", aReceivedMessage1);
Assert.AreEqual("Hello", aReceivedMessage2);
}
public void MulticastFromServiceToClients()
{
UdpMessagingSystemFactory aMessaging = new UdpMessagingSystemFactory(new EasyProtocolFormatter())
{
UnicastCommunication = false,
ReuseAddress = true,
MulticastGroupToReceive = "234.1.2.3",
MulticastLoopback = true
};
ManualResetEvent aMessage1Received = new ManualResetEvent(false);
string aReceivedMessage1 = null;
IDuplexOutputChannel anOutputChannel1 = aMessaging.CreateDuplexOutputChannel("udp://127.0.0.1:8090/", "udp://127.0.0.1:8092/");
anOutputChannel1.ResponseMessageReceived += (x, y) =>
{
aReceivedMessage1 = (string)y.Message;
aMessage1Received.Set();
};
ManualResetEvent aMessage2Received = new ManualResetEvent(false);
string aReceivedMessage2 = null;
IDuplexOutputChannel anOutputChannel2 = aMessaging.CreateDuplexOutputChannel("udp://127.0.0.1:8090/", "udp://127.0.0.1:8092/");
anOutputChannel2.ResponseMessageReceived += (x, y) =>
{
aReceivedMessage2 = (string)y.Message;
aMessage2Received.Set();
};
IDuplexInputChannel anInputChannel = aMessaging.CreateDuplexInputChannel("udp://127.0.0.1:8090/");
try
{
anInputChannel.StartListening();
anOutputChannel1.OpenConnection();
anOutputChannel2.OpenConnection();
anInputChannel.SendResponseMessage("udp://234.1.2.3:8092/", "Hello");
aMessage1Received.WaitIfNotDebugging(1000);
aMessage2Received.WaitIfNotDebugging(1000);
}
finally
{
anInputChannel.StopListening();
anOutputChannel1.CloseConnection();
anOutputChannel2.CloseConnection();
}
Assert.AreEqual("Hello", aReceivedMessage1);
Assert.AreEqual("Hello", aReceivedMessage2);
}
public void DisconnectHalovisionDevice()
{
try
{
videoChannel.CloseConnection();
videoPipe.Close();
}
catch (Exception ex)
{
}
}
public void B04_Pinging_CloseConnection()
{
IDuplexInputChannel aDuplexInputChannel = MessagingSystemFactory.CreateDuplexInputChannel(ChannelId);
IDuplexOutputChannel aDuplexOutputChannel = MessagingSystemFactory.CreateDuplexOutputChannel(ChannelId);
AutoResetEvent aConnectionClosedEvent = new AutoResetEvent(false);
string aClosedResponseReceiverId = "";
aDuplexInputChannel.ResponseReceiverDisconnected += (x, y) =>
{
aClosedResponseReceiverId = y.ResponseReceiverId;
aConnectionClosedEvent.Set();
};
try
{
// Start listening.
aDuplexInputChannel.StartListening();
// Allow some time for pinging.
aDuplexOutputChannel.OpenConnection();
Thread.Sleep(2000);
Assert.AreEqual("", aClosedResponseReceiverId);
// Close connection. Therefore the duplex input channel will not get any pings anymore.
aDuplexOutputChannel.CloseConnection();
aConnectionClosedEvent.WaitOne();
Assert.AreEqual(aDuplexOutputChannel.ResponseReceiverId, aClosedResponseReceiverId);
Assert.IsFalse(aDuplexOutputChannel.IsConnected);
}
finally
{
aDuplexOutputChannel.CloseConnection();
aDuplexInputChannel.StopListening();
}
}
public virtual void A15_ResponseReceiverReconnects_AfterStopListening()
{
IDuplexOutputChannel aDuplexOutputChannel = MessagingSystem.CreateDuplexOutputChannel(ChannelId);
IDuplexInputChannel aDuplexInputChannel = MessagingSystem.CreateDuplexInputChannel(ChannelId);
AutoResetEvent aConnectionsCompletedEvent = new AutoResetEvent(false);
List <string> anOpenConnections = new List <string>();
aDuplexInputChannel.ResponseReceiverConnected += (x, y) =>
{
lock (anOpenConnections)
{
anOpenConnections.Add(y.ResponseReceiverId);
aConnectionsCompletedEvent.Set();
}
};
try
{
aDuplexInputChannel.StartListening();
aDuplexOutputChannel.OpenConnection();
// Wait until the client is connected.
aConnectionsCompletedEvent.WaitOne();
// Stop listenig.
aDuplexInputChannel.StopListening();
// Give some time to stop.
Thread.Sleep(700);
// Start listening again.
aDuplexInputChannel.StartListening();
// The duplex output channel will try to connect again, therefore wait until connected.
aConnectionsCompletedEvent.WaitOne();
Assert.IsTrue(aDuplexOutputChannel.IsConnected);
}
finally
{
aDuplexOutputChannel.CloseConnection();
aDuplexInputChannel.StopListening();
}
Assert.AreEqual(2, anOpenConnections.Count);
// Both connections should be same.
Assert.AreEqual(aDuplexOutputChannel.ResponseReceiverId, anOpenConnections[0]);
Assert.AreEqual(aDuplexOutputChannel.ResponseReceiverId, anOpenConnections[1]);
}
public void A14_ResponseReceiverReconnects_AfterDisconnect()
{
// Duplex output channel without queue - it will not try to reconnect.
IDuplexOutputChannel aDuplexOutputChannel = MessagingSystem.CreateDuplexOutputChannel(ChannelId);
IDuplexInputChannel aDuplexInputChannel = MessagingSystem.CreateDuplexInputChannel(ChannelId);
AutoResetEvent aConnectionsCompletedEvent = new AutoResetEvent(false);
List <string> anOpenConnections = new List <string>();
aDuplexInputChannel.ResponseReceiverConnected += (x, y) =>
{
lock (anOpenConnections)
{
anOpenConnections.Add(y.ResponseReceiverId);
aConnectionsCompletedEvent.Set();
}
};
try
{
aDuplexInputChannel.StartListening();
aDuplexOutputChannel.OpenConnection();
// Wait until the connection is open.
aConnectionsCompletedEvent.WaitOne();
// Disconnect the response receiver.
aDuplexInputChannel.DisconnectResponseReceiver(aDuplexOutputChannel.ResponseReceiverId);
// The duplex output channel will try to connect again, therefore wait until connected.
aConnectionsCompletedEvent.WaitOne();
}
finally
{
aDuplexOutputChannel.CloseConnection();
aDuplexInputChannel.StopListening();
}
Assert.AreEqual(2, anOpenConnections.Count);
// Both connections should be same.
Assert.AreEqual(aDuplexOutputChannel.ResponseReceiverId, anOpenConnections[0]);
Assert.AreEqual(aDuplexOutputChannel.ResponseReceiverId, anOpenConnections[1]);
}
public void MaxAmountOfConnections()
{
IMessagingSystemFactory aMessaging = new UdpMessagingSystemFactory()
{
MaxAmountOfConnections = 2
};
IDuplexOutputChannel anOutputChannel1 = aMessaging.CreateDuplexOutputChannel("udp://127.0.0.1:8049/");
IDuplexOutputChannel anOutputChannel2 = aMessaging.CreateDuplexOutputChannel("udp://127.0.0.1:8049/");
IDuplexOutputChannel anOutputChannel3 = aMessaging.CreateDuplexOutputChannel("udp://127.0.0.1:8049/");
IDuplexInputChannel anInputChannel = aMessaging.CreateDuplexInputChannel("udp://127.0.0.1:8049/");
try
{
ManualResetEvent aConnectionClosed = new ManualResetEvent(false);
anOutputChannel3.ConnectionClosed += (x, y) =>
{
EneterTrace.Info("Connection closed.");
aConnectionClosed.Set();
};
anInputChannel.StartListening();
anOutputChannel1.OpenConnection();
anOutputChannel2.OpenConnection();
anOutputChannel3.OpenConnection();
if (!aConnectionClosed.WaitOne(1000))
{
Assert.Fail("Third connection was not closed.");
}
Assert.IsTrue(anOutputChannel1.IsConnected);
Assert.IsTrue(anOutputChannel2.IsConnected);
Assert.IsFalse(anOutputChannel3.IsConnected);
}
finally
{
anOutputChannel1.CloseConnection();
anOutputChannel2.CloseConnection();
anOutputChannel3.CloseConnection();
anInputChannel.StopListening();
}
}
private void StopCapturing()
{
// Close connection with the service on Raspberry.
myVideoChannel.CloseConnection();
// Close the video pipe.
if (myVideoPipe != null)
{
myVideoPipe.Close();
myVideoPipe = null;
}
// Stop VLC.
if (myPlayer != null)
{
myPlayer.Dispose();
myPlayer = null;
}
}
public void ConnectionTimeout()
{
IMessagingSystemFactory aMessaging = new WebSocketMessagingSystemFactory()
{
ConnectTimeout = TimeSpan.FromMilliseconds(1000)
};
// Nobody is listening on this address.
IDuplexOutputChannel anOutputChannel = aMessaging.CreateDuplexOutputChannel("ws://109.74.151.135:8045/");
ManualResetEvent aConnectionCompleted = new ManualResetEvent(false);
try
{
// Start opening in another thread to be able to measure
// if the timeout occured with the specified time.
Exception anException = null;
ThreadPool.QueueUserWorkItem(x =>
{
try
{
anOutputChannel.OpenConnection();
}
catch (Exception err)
{
anException = err;
}
aConnectionCompleted.Set();
});
if (aConnectionCompleted.WaitOne(1500))
{
}
Assert.AreEqual(typeof(TimeoutException), anException);
}
finally
{
anOutputChannel.CloseConnection();
}
}
public void B01_Pinging_StopListening()
{
IDuplexInputChannel aDuplexInputChannel = MessagingSystemFactory.CreateDuplexInputChannel(ChannelId);
IDuplexOutputChannel aDuplexOutputChannel = MessagingSystemFactory.CreateDuplexOutputChannel(ChannelId);
AutoResetEvent aDisconnectedEvent = new AutoResetEvent(false);
bool aDisconnectedFlag = false;
aDuplexOutputChannel.ConnectionClosed += (x, y) =>
{
aDisconnectedFlag = true;
aDisconnectedEvent.Set();
};
try
{
// Start listening.
aDuplexInputChannel.StartListening();
// Start pinging and wait 5 seconds.
aDuplexOutputChannel.OpenConnection();
Thread.Sleep(5000);
Assert.IsFalse(aDisconnectedFlag);
// Stop listener, therefore the ping response will not come and the channel should indicate the disconnection.
aDuplexInputChannel.StopListening();
aDisconnectedEvent.WaitOne();
Assert.IsTrue(aDisconnectedFlag);
Assert.IsFalse(aDuplexOutputChannel.IsConnected);
}
finally
{
aDuplexOutputChannel.CloseConnection();
aDuplexInputChannel.StopListening();
}
}
public void B02_Pinging_DisconnectResponseReceiver()
{
IDuplexInputChannel aDuplexInputChannel = MessagingSystemFactory.CreateDuplexInputChannel(ChannelId);
IDuplexOutputChannel aDuplexOutputChannel = MessagingSystemFactory.CreateDuplexOutputChannel(ChannelId);
AutoResetEvent aDisconnectedEvent = new AutoResetEvent(false);
bool aDisconnectedFlag = false;
aDuplexOutputChannel.ConnectionClosed += (x, y) =>
{
aDisconnectedFlag = true;
aDisconnectedEvent.Set();
};
try
{
// Start listening.
aDuplexInputChannel.StartListening();
// Allow some time for pinging.
aDuplexOutputChannel.OpenConnection();
Thread.Sleep(2000);
Assert.IsFalse(aDisconnectedFlag);
// Disconnect the duplex output channel.
aDuplexInputChannel.DisconnectResponseReceiver(aDuplexOutputChannel.ResponseReceiverId);
aDisconnectedEvent.WaitOne();
Assert.IsTrue(aDisconnectedFlag);
Assert.IsFalse(aDuplexOutputChannel.IsConnected);
}
finally
{
aDuplexOutputChannel.CloseConnection();
aDuplexInputChannel.StopListening();
}
}
public virtual void ConnectionNotGranted()
{
IDuplexInputChannel anInputChannel = MessagingSystemFactory.CreateDuplexInputChannel(ChannelId);
IDuplexOutputChannel anOutputChannel = MessagingSystemFactory.CreateDuplexOutputChannel(ChannelId);
try
{
myConnectionNotGranted = true;
anInputChannel.StartListening();
// Client opens the connection.
Assert.Throws <InvalidOperationException>(() => anOutputChannel.OpenConnection());
}
finally
{
myConnectionNotGranted = false;
anOutputChannel.CloseConnection();
anInputChannel.StopListening();
}
}
public virtual void AuthenticationTimeout()
{
IDuplexInputChannel anInputChannel = MessagingSystemFactory.CreateDuplexInputChannel(ChannelId);
IDuplexOutputChannel anOutputChannel = MessagingSystemFactory.CreateDuplexOutputChannel(ChannelId);
try
{
myAuthenticationSleep = TimeSpan.FromMilliseconds(3000);
anInputChannel.StartListening();
// Client opens the connection.
Assert.Throws <TimeoutException>(() => anOutputChannel.OpenConnection());
}
finally
{
myAuthenticationSleep = TimeSpan.FromMilliseconds(0);
anOutputChannel.CloseConnection();
anInputChannel.StopListening();
}
}
public void B03_Pinging_NoResponseForPing()
{
// Create duplex input channel which will not send ping messages.
IDuplexInputChannel aDuplexInputChannel = UnderlyingMessaging.CreateDuplexInputChannel(ChannelId);
IDuplexOutputChannel aDuplexOutputChannel = MessagingSystemFactory.CreateDuplexOutputChannel(ChannelId);
AutoResetEvent aDisconnectedEvent = new AutoResetEvent(false);
bool aDisconnectedFlag = false;
aDuplexOutputChannel.ConnectionClosed += (x, y) =>
{
aDisconnectedFlag = true;
aDisconnectedEvent.Set();
};
try
{
// Start listening.
aDuplexInputChannel.StartListening();
// Allow some time for pinging.
aDuplexOutputChannel.OpenConnection();
Assert.IsTrue(aDuplexOutputChannel.IsConnected);
Thread.Sleep(2000);
aDisconnectedEvent.WaitOne();
Assert.IsTrue(aDisconnectedFlag);
Assert.IsFalse(aDuplexOutputChannel.IsConnected);
}
finally
{
aDuplexOutputChannel.CloseConnection();
aDuplexInputChannel.StopListening();
}
}
public virtual void AuthenticationCancelledByClient()
{
IDuplexInputChannel anInputChannel = MessagingSystemFactory.CreateDuplexInputChannel(ChannelId);
IDuplexOutputChannel anOutputChannel = MessagingSystemFactory.CreateDuplexOutputChannel(ChannelId);
try
{
myClientCancelAuthentication = true;
anInputChannel.StartListening();
Exception anException = null;
try
{
// Client opens the connection.
anOutputChannel.OpenConnection();
}
catch (Exception err)
{
anException = err;
}
Assert.IsInstanceOf <InvalidOperationException>(anException);
// Check that the AuthenticationCancelled calleback was called.
Assert.IsTrue(myAuthenticationCancelled);
}
finally
{
myClientCancelAuthentication = false;
myAuthenticationCancelled = false;
anOutputChannel.CloseConnection();
anInputChannel.StopListening();
}
}
public void LoadBalancerConnectionLogic()
{
IMessagingSystemFactory aMessaging = new SynchronousMessagingSystemFactory();
string aReceiverChannelId = "";
EventHandler <DuplexChannelMessageEventArgs> aRequestReceived = (x, y) =>
{
// Echo the message.
IDuplexInputChannel anInputChannel = (IDuplexInputChannel)x;
aReceiverChannelId = anInputChannel.ChannelId;
anInputChannel.SendResponseMessage(y.ResponseReceiverId, y.Message);
};
string aResponseReceiverId = "";
ResponseReceiverEventArgs aDisconnectedLoadBalancerConnection = null;
EventHandler <ResponseReceiverEventArgs> aDisconnectedFromReceiver = (x, y) =>
{
aResponseReceiverId = ((IDuplexInputChannel)x).ChannelId;
aDisconnectedLoadBalancerConnection = y;
};
// Receivers.
IDuplexInputChannel[] aReceivers = new IDuplexInputChannel[3];
for (int i = 0; i < aReceivers.Length; ++i)
{
aReceivers[i] = aMessaging.CreateDuplexInputChannel((i + 1).ToString());
aReceivers[i].MessageReceived += aRequestReceived;
aReceivers[i].ResponseReceiverDisconnected += aDisconnectedFromReceiver;
}
// Clients.
IDuplexOutputChannel aClient1 = aMessaging.CreateDuplexOutputChannel("LB");
string aReceivedResponse1 = "";
aClient1.ResponseMessageReceived += (x, y) =>
{
aReceivedResponse1 = (string)y.Message;
};
IDuplexOutputChannel aClient2 = aMessaging.CreateDuplexOutputChannel("LB");
string aReceivedResponse2 = "";
aClient2.ResponseMessageReceived += (x, y) =>
{
aReceivedResponse2 = (string)y.Message;
};
// Load Balancer
ILoadBalancerFactory aLoadBalancerFactory = new RoundRobinBalancerFactory(aMessaging);
ILoadBalancer aLoadBalancer = aLoadBalancerFactory.CreateLoadBalancer();
AutoResetEvent aReceiverRemovedEvent = new AutoResetEvent(false);
string aRemovedReceiverId = "";
aLoadBalancer.RequestReceiverRemoved += (x, y) =>
{
aRemovedReceiverId = y.ChannelId;
aReceiverRemovedEvent.Set();
};
try
{
// Receivers start listening.
foreach (IDuplexInputChannel aReceiver in aReceivers)
{
aReceiver.StartListening();
}
// Load Balancer starts listening.
for (int i = 0; i < aReceivers.Length; ++i)
{
aLoadBalancer.AddDuplexOutputChannel((i + 1).ToString());
}
aLoadBalancer.AttachDuplexInputChannel(aMessaging.CreateDuplexInputChannel("LB"));
// Clients connect the load balancer.
aClient1.OpenConnection();
aClient2.OpenConnection();
// It shall use the next (second) receiver.
aClient1.SendMessage("Hello.");
Assert.AreEqual("Hello.", aReceivedResponse1);
Assert.AreEqual("", aReceivedResponse2);
Assert.AreEqual("2", aReceiverChannelId);
aReceivedResponse1 = "";
aReceivedResponse2 = "";
// It shall use the next (third) receiver.
aClient2.SendMessage("Hello.");
Assert.AreEqual("", aReceivedResponse1);
Assert.AreEqual("Hello.", aReceivedResponse2);
Assert.AreEqual("3", aReceiverChannelId);
aReceivedResponse1 = "";
aReceivedResponse2 = "";
// It is at the end of the pool so it shall starts from the beginning.
aClient2.SendMessage("Hello.");
Assert.AreEqual("", aReceivedResponse1);
Assert.AreEqual("Hello.", aReceivedResponse2);
Assert.AreEqual("1", aReceiverChannelId);
aReceivedResponse1 = "";
aReceivedResponse2 = "";
// Let's remove the second receiver.
aLoadBalancer.RemoveDuplexOutputChannel("2");
Assert.IsNotNull(aDisconnectedLoadBalancerConnection);
Assert.AreEqual("2", aResponseReceiverId);
// The 2nd is removed so it shall use the 3rd one.
aClient2.SendMessage("Hello.");
Assert.AreEqual("", aReceivedResponse1);
Assert.AreEqual("Hello.", aReceivedResponse2);
Assert.AreEqual("3", aReceiverChannelId);
aReceivedResponse1 = "";
aReceivedResponse2 = "";
// 1st receiver stops to listen.
aReceivers[0].StopListening();
// It should start from the beginnng but 1st is not listening and 2nd was removed.
// So it shall use the 3rd one.
aClient1.SendMessage("Hello.");
Assert.AreEqual("Hello.", aReceivedResponse1);
Assert.AreEqual("", aReceivedResponse2);
Assert.AreEqual("3", aReceiverChannelId);
aReceivedResponse1 = "";
aReceivedResponse2 = "";
aReceiverRemovedEvent.WaitOne();
Assert.AreEqual("1", aRemovedReceiverId);
aReceivers[2].StopListening();
aClient2.SendMessage("Hello.");
Assert.AreEqual("", aReceivedResponse1);
Assert.AreEqual("", aReceivedResponse2);
aReceivedResponse1 = "";
aReceivedResponse2 = "";
aReceiverRemovedEvent.WaitOne();
Assert.AreEqual("3", aRemovedReceiverId);
aReceivers[0].StartListening();
aReceivers[2].StartListening();
for (int i = 0; i < aReceivers.Length; ++i)
{
aLoadBalancer.AddDuplexOutputChannel((i + 1).ToString());
}
aClient2.SendMessage("Hello.");
Assert.AreEqual("", aReceivedResponse1);
Assert.AreEqual("Hello.", aReceivedResponse2);
Assert.AreEqual("2", aReceiverChannelId);
aReceivedResponse1 = "";
aReceivedResponse2 = "";
}
finally
{
aClient1.CloseConnection();
aClient2.CloseConnection();
aLoadBalancer.DetachDuplexInputChannel();
foreach (IDuplexInputChannel aReceiver in aReceivers)
{
aReceiver.StopListening();
}
}
}
public void A01_Reconnect_DisconnectReceiver()
{
IDuplexInputChannel aDuplexInputChannel = MessagingSystemFactory.CreateDuplexInputChannel(ChannelId);
IDuplexOutputChannel aDuplexOutputChannel = MessagingSystemFactory.CreateDuplexOutputChannel(ChannelId);
Reconnecter aReconnecter = new Reconnecter(aDuplexOutputChannel, TimeSpan.FromMilliseconds(300), -1);
AutoResetEvent aReconnectEvent = new AutoResetEvent(false);
DuplexChannelEventArgs aReconnectEventArgs = null;
aReconnecter.ConnectionOpened += (x, y) =>
{
aReconnectEventArgs = y;
aReconnectEvent.Set();
};
AutoResetEvent aDisconnectEvent = new AutoResetEvent(false);
DuplexChannelEventArgs aDisconnectEventArgs = null;
aReconnecter.ConnectionClosed += (x, y) =>
{
aDisconnectEventArgs = y;
aDisconnectEvent.Set();
};
AutoResetEvent aConnectionOpenedEvent = new AutoResetEvent(false);
aDuplexOutputChannel.ConnectionOpened += (x, y) =>
{
aConnectionOpenedEvent.Set();
};
AutoResetEvent aConnectionClosedEvent = new AutoResetEvent(false);
aDuplexOutputChannel.ConnectionClosed += (x, y) =>
{
aConnectionClosedEvent.Set();
};
try
{
aReconnecter.EnableReconnecting();
// Start listening.
aDuplexInputChannel.StartListening();
aDuplexOutputChannel.OpenConnection();
Thread.Sleep(2000);
Assert.IsTrue(aDuplexOutputChannel.IsConnected);
aConnectionOpenedEvent.WaitOne();
// Disconnect the duplexoutput channel.
aDuplexInputChannel.DisconnectResponseReceiver(aDuplexOutputChannel.ResponseReceiverId);
// Wait until the disconnect is notified.
aDisconnectEvent.WaitOne();
aConnectionClosedEvent.WaitOne();
Assert.AreEqual(aDuplexOutputChannel.ChannelId, aDisconnectEventArgs.ChannelId);
Assert.AreEqual(aDuplexOutputChannel.ResponseReceiverId, aDisconnectEventArgs.ResponseReceiverId);
// Wait until the reconnecter opens connection again.
aReconnectEvent.WaitOne();
Assert.AreEqual(aDuplexOutputChannel.ChannelId, aReconnectEventArgs.ChannelId);
Assert.AreEqual(aDuplexOutputChannel.ResponseReceiverId, aReconnectEventArgs.ResponseReceiverId);
Assert.IsTrue(aDuplexOutputChannel.IsConnected);
aConnectionOpenedEvent.WaitOne();
}
finally
{
aReconnecter.DisableReconnecting();
aDuplexOutputChannel.CloseConnection();
aDuplexInputChannel.StopListening();
}
}
protected override void OnRequestMessageReceived(object sender, DuplexChannelMessageEventArgs e)
{
using (EneterTrace.Entering())
{
WrappedData aWrappedData = null;
try
{
ISerializer aSerializer = mySerializer.ForResponseReceiver(e.ResponseReceiverId);
// Unwrap the incoming message.
aWrappedData = DataWrapper.Unwrap(e.Message, aSerializer);
}
catch (Exception err)
{
EneterTrace.Error(TracedObject + "failed to unwrap the message.", err);
return;
}
// WrappedData.AddedData represents the channel id.
// Therefore if everything is ok then it must be string.
if (aWrappedData.AddedData is string)
{
string aMessageReceiverId = (string)aWrappedData.AddedData;
TDuplexConnection aConectionToOutput = null;
// Try to find if the output channel with the required channel id and for the incoming response receiver
// already exists.
using (ThreadLock.Lock(myConnections))
{
aConectionToOutput = myConnections.FirstOrDefault(x => x.DuplexOutputChannel.ChannelId == aMessageReceiverId && x.ResponseReceiverId == e.ResponseReceiverId);
// If it does not exist then create the duplex output channel and open connection.
if (aConectionToOutput == null)
{
IDuplexOutputChannel aDuplexOutputChannel = null;
try
{
aDuplexOutputChannel = myOutputMessagingFactory.CreateDuplexOutputChannel(aMessageReceiverId);
aDuplexOutputChannel.ResponseMessageReceived += OnResponseMessageReceived;
aDuplexOutputChannel.OpenConnection();
}
catch (Exception err)
{
EneterTrace.Error(TracedObject + "failed to create and connect the duplex output channel '" + aMessageReceiverId + "'", err);
if (aDuplexOutputChannel != null)
{
aDuplexOutputChannel.ResponseMessageReceived -= OnResponseMessageReceived;
aDuplexOutputChannel.CloseConnection();
aDuplexOutputChannel = null;
}
}
if (aDuplexOutputChannel != null)
{
aConectionToOutput = new TDuplexConnection(e.ResponseReceiverId, aDuplexOutputChannel);
myConnections.Add(aConectionToOutput);
}
}
}
if (aConectionToOutput != null)
{
try
{
// Send the unwrapped message.
aConectionToOutput.DuplexOutputChannel.SendMessage(aWrappedData.OriginalData);
}
catch (Exception err)
{
EneterTrace.Error(TracedObject + "failed to send the message to the output channel '" + aConectionToOutput.DuplexOutputChannel.ChannelId + "'.", err);
}
}
}
else
{
EneterTrace.Error(TracedObject + "detected that the unwrapped message contian the channel id as the string type.");
}
}
}
public void A02_Reconnect_StopListening()
{
MonitoredMessagingFactory aConnectionMonitor = new MonitoredMessagingFactory(MessagingSystemFactory);
IDuplexInputChannel aDuplexInputChannel = aConnectionMonitor.CreateDuplexInputChannel(ChannelId);
IDuplexOutputChannel aDuplexOutputChannel = aConnectionMonitor.CreateDuplexOutputChannel(ChannelId);
// Max 5 attempts to try to reconnect.
Reconnecter aReconnecter = new Reconnecter(aDuplexOutputChannel, TimeSpan.FromMilliseconds(300), 5);
AutoResetEvent aReconnectEvent = new AutoResetEvent(false);
DuplexChannelEventArgs aReconnectEventArgs = null;
aReconnecter.ConnectionOpened += (x, y) =>
{
aReconnectEventArgs = y;
aReconnectEvent.Set();
};
AutoResetEvent aDisconnectEvent = new AutoResetEvent(false);
DuplexChannelEventArgs aDisconnectEventArgs = null;
aReconnecter.ConnectionClosed += (x, y) =>
{
aDisconnectEventArgs = y;
aDisconnectEvent.Set();
};
AutoResetEvent aReconnecFailedEvent = new AutoResetEvent(false);
DuplexChannelEventArgs aReconnectingFailedEventArgs = null;
aReconnecter.ReconnectingFailed += (x, y) =>
{
aReconnectingFailedEventArgs = y;
aReconnecFailedEvent.Set();
};
try
{
aReconnecter.EnableReconnecting();
// Start listening.
aDuplexInputChannel.StartListening();
aDuplexOutputChannel.OpenConnection();
Thread.Sleep(2000);
Assert.IsTrue(aDuplexOutputChannel.IsConnected);
Assert.IsNull(aReconnectingFailedEventArgs);
Assert.IsNull(aDisconnectEventArgs);
Assert.IsNull(aReconnectEventArgs);
// Stop listening.
// Note: The Reconnecter will try 5 times to reopen the connection, then it will notify, the reconnecion failed.
aDuplexInputChannel.StopListening();
// Wait until the disconnect is notified.
aDisconnectEvent.WaitOne();
Assert.AreEqual(aDuplexOutputChannel.ChannelId, aDisconnectEventArgs.ChannelId);
Assert.AreEqual(aDuplexOutputChannel.ResponseReceiverId, aDisconnectEventArgs.ResponseReceiverId);
Assert.IsFalse(aDuplexOutputChannel.IsConnected);
Assert.IsNull(aReconnectEventArgs);
// Wait until the reconnect fails after 5 failed reconnects.
aReconnecFailedEvent.WaitOne();
Assert.AreEqual(aDuplexOutputChannel.ChannelId, aReconnectingFailedEventArgs.ChannelId);
Assert.AreEqual(aDuplexOutputChannel.ResponseReceiverId, aReconnectingFailedEventArgs.ResponseReceiverId);
Assert.IsFalse(aDuplexOutputChannel.IsConnected);
Assert.IsNull(aReconnectEventArgs);
}
finally
{
aDuplexOutputChannel.CloseConnection();
aDuplexInputChannel.StopListening();
aReconnecter.DisableReconnecting();
}
}
public void A16_RequestResponse_100_ConstantlyInterrupted()
{
IDuplexOutputChannel aDuplexOutputChannel = MessagingSystem.CreateDuplexOutputChannel(ChannelId);
IDuplexInputChannel aDuplexInputChannel = MessagingSystem.CreateDuplexInputChannel(ChannelId);
IDuplexInputChannel anUnderlyingDuplexInputChannel = aDuplexInputChannel.GetField <IDuplexInputChannel>("myInputChannel");
Assert.NotNull(anUnderlyingDuplexInputChannel);
AutoResetEvent anAllMessagesProcessedEvent = new AutoResetEvent(false);
// Received messages.
List <int> aReceivedMessages = new List <int>();
aDuplexInputChannel.MessageReceived += (x, y) =>
{
lock (aReceivedMessages)
{
string aReceivedMessage = y.Message as string;
EneterTrace.Info("Received message: " + aReceivedMessage);
int k = int.Parse(aReceivedMessage);
aReceivedMessages.Add(k);
k += 1000;
EneterTrace.Info("Sent response message: " + k.ToString());
aDuplexInputChannel.SendResponseMessage(y.ResponseReceiverId, k.ToString());
}
};
aDuplexOutputChannel.ConnectionClosed += (x, y) =>
{
EneterTrace.Info("ConnectionClosed invoked in duplex output channel");
// The buffered duplex output channel exceeded the max offline time.
anAllMessagesProcessedEvent.Set();
};
// Received response messages.
List <int> aReceivedResponseMessages = new List <int>();
aDuplexOutputChannel.ResponseMessageReceived += (x, y) =>
{
lock (aReceivedResponseMessages)
{
string aReceivedMessage = y.Message as string;
EneterTrace.Info("Received response message: " + aReceivedMessage);
int k = int.Parse(aReceivedMessage);
aReceivedResponseMessages.Add(k);
if (aReceivedResponseMessages.Count == 100)
{
anAllMessagesProcessedEvent.Set();
}
}
};
try
{
bool aTestFinishedFlag = false;
aDuplexInputChannel.StartListening();
aDuplexOutputChannel.OpenConnection();
Thread anInteruptingThread = new Thread(() =>
{
for (int i = 0; i < 100 && !aTestFinishedFlag; ++i)
{
anUnderlyingDuplexInputChannel.DisconnectResponseReceiver(aDuplexOutputChannel.ResponseReceiverId);
Thread.Sleep(ConnectionInterruptionFrequency);
}
});
// Start constant disconnecting.
anInteruptingThread.Start();
for (int i = 0; i < 100; ++i)
{
aDuplexOutputChannel.SendMessage(i.ToString());
}
// Wait until all messages are processed.
//anAllMessagesProcessedEvent.WaitOne();
Assert.IsTrue(anAllMessagesProcessedEvent.WaitOne(20000), "The timeout occured.");
aTestFinishedFlag = true;
anInteruptingThread.Join();
}
finally
{
aDuplexOutputChannel.CloseConnection();
aDuplexInputChannel.StopListening();
}
aReceivedMessages.Sort();
Assert.AreEqual(100, aReceivedMessages.Count);
for (int i = 0; i < 100; ++i)
{
Assert.AreEqual(i, aReceivedMessages[i]);
}
aReceivedResponseMessages.Sort();
Assert.AreEqual(100, aReceivedResponseMessages.Count);
for (int i = 0; i < 100; ++i)
{
Assert.AreEqual(i + 1000, aReceivedResponseMessages[i]);
}
}
public void B01_InactivityTimeout()
{
// Set the polling frequency slower
// than inactivity timeout in the duplex input channel.
// Therefore the timeout should occur before the polling - this is how the
// inactivity is simulated in this test.
IMessagingSystemFactory aMessagingSystem = new HttpMessagingSystemFactory(3000, 2000);
IDuplexOutputChannel anOutputChannel1 = aMessagingSystem.CreateDuplexOutputChannel(ChannelId);
IDuplexOutputChannel anOutputChannel2 = aMessagingSystem.CreateDuplexOutputChannel(ChannelId);
IDuplexInputChannel anInputChannel = aMessagingSystem.CreateDuplexInputChannel(ChannelId);
AutoResetEvent aConncetionEvent = new AutoResetEvent(false);
AutoResetEvent aDisconncetionEvent = new AutoResetEvent(false);
List <TConnectionEvent> aConnections = new List <TConnectionEvent>();
anInputChannel.ResponseReceiverConnected += (x, y) =>
{
aConnections.Add(new TConnectionEvent(DateTime.Now, y.ResponseReceiverId));
aConncetionEvent.Set();
};
List <TConnectionEvent> aDisconnections = new List <TConnectionEvent>();
anInputChannel.ResponseReceiverDisconnected += (x, y) =>
{
aDisconnections.Add(new TConnectionEvent(DateTime.Now, y.ResponseReceiverId));
aDisconncetionEvent.Set();
};
try
{
anInputChannel.StartListening();
Assert.IsTrue(anInputChannel.IsListening);
// Create the 1st connection.
anOutputChannel1.OpenConnection();
Assert.IsTrue(anOutputChannel1.IsConnected);
aConncetionEvent.WaitOne();
Assert.AreEqual(1, aConnections.Count);
Assert.IsFalse(string.IsNullOrEmpty(aConnections[0].ReceiverId));
Thread.Sleep(1000);
// Create the 2nd connection.
anOutputChannel2.OpenConnection();
Assert.IsTrue(anOutputChannel2.IsConnected);
aConncetionEvent.WaitOne();
Assert.AreEqual(2, aConnections.Count);
Assert.IsFalse(string.IsNullOrEmpty(aConnections[1].ReceiverId));
// Wait for the 1st disconnection
aDisconncetionEvent.WaitOne();
Assert.AreEqual(1, aDisconnections.Count);
Assert.AreEqual(aConnections[0].ReceiverId, aDisconnections[0].ReceiverId);
Assert.IsTrue(aDisconnections[0].Time - aConnections[0].Time > TimeSpan.FromMilliseconds(1900));
// Wait for the 2nd disconnection
aDisconncetionEvent.WaitOne();
Assert.AreEqual(2, aDisconnections.Count);
Assert.AreEqual(aConnections[1].ReceiverId, aDisconnections[1].ReceiverId);
Assert.IsTrue(aDisconnections[1].Time - aConnections[1].Time > TimeSpan.FromMilliseconds(1900));
}
finally
{
anOutputChannel1.CloseConnection();
anOutputChannel2.CloseConnection();
anInputChannel.StopListening();
}
}
public void Disconnect()
{
// close all connection
Command_MessageSender.DetachDuplexOutputChannel();
Worker4504_OutputChannel.CloseConnection();
}
public void A01_SimpleRequestResponse()
{
IDuplexOutputChannel aDuplexOutputChannel = MessagingSystem.CreateDuplexOutputChannel(ChannelId);
IDuplexInputChannel aDuplexInputChannel = MessagingSystem.CreateDuplexInputChannel(ChannelId);
// Received messages.
List <int> aReceivedMessages = new List <int>();
aDuplexInputChannel.MessageReceived += (x, y) =>
{
//EneterTrace.Info("Message Received");
lock (aReceivedMessages)
{
string aReceivedMessage = y.Message as string;
int k = int.Parse(aReceivedMessage);
aReceivedMessages.Add(k);
k += 1000;
aDuplexInputChannel.SendResponseMessage(y.ResponseReceiverId, k.ToString());
}
};
// Received response messages.
List <int> aReceivedResponseMessages = new List <int>();
AutoResetEvent anAllMessagesProcessedEvent = new AutoResetEvent(false);
aDuplexOutputChannel.ResponseMessageReceived += (x, y) =>
{
//EneterTrace.Info("Response Received");
lock (aReceivedResponseMessages)
{
string aReceivedMessage = y.Message as string;
int k = int.Parse(aReceivedMessage);
aReceivedResponseMessages.Add(k);
if (k == 1019)
{
anAllMessagesProcessedEvent.Set();
}
}
};
try
{
aDuplexInputChannel.StartListening();
aDuplexOutputChannel.OpenConnection();
for (int i = 0; i < 20; ++i)
{
aDuplexOutputChannel.SendMessage(i.ToString());
}
// Wait untill all messages are processed.
anAllMessagesProcessedEvent.WaitOne();
}
finally
{
aDuplexOutputChannel.CloseConnection();
aDuplexInputChannel.StopListening();
}
aReceivedMessages.Sort();
Assert.AreEqual(20, aReceivedMessages.Count);
for (int i = 0; i < 20; ++i)
{
Assert.AreEqual(i, aReceivedMessages[i]);
}
aReceivedResponseMessages.Sort();
Assert.AreEqual(20, aReceivedResponseMessages.Count);
for (int i = 0; i < 20; ++i)
{
Assert.AreEqual(i + 1000, aReceivedResponseMessages[i]);
}
}