public void TestRegisterActionExceedingTimeout()
{
using (ManualResetEvent rendezvousCompleted = new ManualResetEvent(false))
{
bool actionCalled = false;
RendezvousPoint rendezvousPoint = null;
string rpId = "RpId" + Guid.NewGuid( );
try
{
rendezvousPoint = new RendezvousPoint(rpId, 500, EventLog.Application);
// Register an action that never completes
RendezvousPoint.RegisterAction(rpId, () =>
{
// ReSharper disable once AccessToDisposedClosure
rendezvousCompleted.WaitOne(5000);
actionCalled = true;
});
}
finally
{
Assert.IsFalse(actionCalled, "Action should not be called.");
rendezvousPoint?.Dispose( );
// If we are here the rendezvous has completed but the action has not.
// That's a good thing !
Assert.IsFalse(actionCalled, "Action should not be called.");
rendezvousCompleted.Set( );
}
}
}
public void TestRegisterAction()
{
bool actionCalled = false;
string rpId = "RpId" + Guid.NewGuid();
using (new RendezvousPoint(rpId, 1000, EventLog.Application))
{
RendezvousPoint.RegisterAction(rpId, () => { actionCalled = true; });
}
Assert.IsTrue(actionCalled, "The action should be called");
}
public void TestRegisterActionWithNonExistantRendezvousPoint()
{
bool actionCalled = false;
string rpId1 = "RpId1" + Guid.NewGuid();
string rpId2 = "RpId2" + Guid.NewGuid();
using (new RendezvousPoint(rpId1, 1000, EventLog.Application))
{
RendezvousPoint.RegisterAction(rpId2, () => { actionCalled = true; });
}
Assert.IsFalse(actionCalled, "The action should not be called");
}
/// <summary>
/// Initializes a new instance of the <see cref="SyslogQueueingMessageWriter" /> class.
/// </summary>
/// <param name="messageWriter">The message writer.</param>
/// <param name="maxRetries">The maximum retries.</param>
/// <exception cref="System.ArgumentNullException">messageSender</exception>
public SyslogQueueingMessageWriter(ISyslogMessageWriter messageWriter, int maxRetries = MaxRetries)
{
if (messageWriter == null)
{
throw new ArgumentNullException(nameof(messageWriter));
}
_messageWriter = messageWriter;
_maxRetries = maxRetries;
if (_maxRetries > MaxRetries)
{
_maxRetries = MaxRetries;
}
CancellationToken cancellationToken = _cancellationTokenSource.Token;
// Start listening for messages
_msgWriterTask = Task.Run(() =>
{
try
{
foreach (SyslogMessage message in _messageQueue.GetConsumingEnumerable(cancellationToken))
{
WriteWithRetry(message);
if (cancellationToken.IsCancellationRequested)
{
break;
}
}
}
catch (Exception ex)
{
_canWriteMessages = false;
Trace.TraceError("An unexpected error occurred in the syslog message writer worker thread. No more messages will be written to the syslog server. Error:{0}.", ex);
}
}, _cancellationTokenSource.Token);
// Register an action with the application exist rendezvous point so that any messages will be flushed.
RendezvousPoint.RegisterAction(WellKnownRendezvousPoints.ApplicationExit, () => Dispose(true));
}
public void TestRegisterMultipleActions()
{
bool actionCalled1 = false;
bool actionCalled2 = false;
bool actionCalled3 = false;
string rpId = "RpId" + Guid.NewGuid();
using (new RendezvousPoint(rpId, 1000, EventLog.Application))
{
RendezvousPoint.RegisterAction(rpId, () => { actionCalled1 = true; });
RendezvousPoint.RegisterAction(rpId, () => { actionCalled2 = true; });
RendezvousPoint.RegisterAction(rpId, () => { actionCalled3 = true; });
}
Assert.IsTrue(actionCalled1, "The action1 should be called");
Assert.IsTrue(actionCalled2, "The action2 should be called");
Assert.IsTrue(actionCalled3, "The action3 should be called");
}
public void TestRegisterNullId()
{
Assert.Throws <ArgumentNullException>(() => RendezvousPoint.RegisterAction(null, () => { }));
}
public void TestRegisterNullAction()
{
Assert.Throws <ArgumentNullException>(() => RendezvousPoint.RegisterAction("id", null));
}