public async Task Should_not_leak_state_when_request_canceled()
{
var dictionary = new ConcurrentDictionary <string, RequestResponseStateLookup.State>();
var requestResponseStateLookup = new RequestResponseStateLookup(dictionary);
var tcs = new TaskCompletionSource <object>();
var adapter = new TaskCompletionSourceAdapter <object>(tcs);
var tokenSource = new CancellationTokenSource();
var outgoingPhysicalMessageContext = new TestableOutgoingPhysicalMessageContext();
outgoingPhysicalMessageContext.Extensions.Set(new RequestResponseStateLookup.State
{
CancellationToken = tokenSource.Token,
TaskCompletionSource = adapter
});
var behavior = new UpdateRequestResponseCorrelationTableBehavior(requestResponseStateLookup);
await behavior.Invoke(outgoingPhysicalMessageContext, () =>
{
tokenSource.Cancel();
return(Task.FromResult(0));
});
Assert.ThrowsAsync <TaskCanceledException>(async() => { await tcs.Task; });
Assert.IsEmpty(dictionary);
}
public static RequestResponseStateLookup.State? TryRemoveResponseStateBasedOnCorrelationId(this IIncomingContext context, IncomingMessage message, RequestResponseStateLookup lookup)
{
var correlationId = context.GetCorrelationId();
if (correlationId == null)
{
return null;
}
string version;
var checkMessageIntent = true;
if (message.Headers.TryGetValue(Headers.NServiceBusVersion, out version))
{
Version parsedVersion;
if (Version.TryParse(version, out parsedVersion))
{
if (parsedVersion < minimumVersionThatSupportMessageIntent_Reply)
{
checkMessageIntent = false;
}
}
}
var messageIntentEnum = message.GetMesssageIntent();
if (checkMessageIntent && messageIntentEnum != MessageIntentEnum.Reply)
{
return null;
}
RequestResponseStateLookup.State state;
return lookup.TryRemove(correlationId, out state) ? (RequestResponseStateLookup.State?) state : null;
}
public async Task Should_not_leak_state_when_request_canceled()
{
var dictionary = new ConcurrentDictionary<string, RequestResponseStateLookup.State>();
var requestResponseStateLookup = new RequestResponseStateLookup(dictionary);
var tcs = new TaskCompletionSource<object>();
var adapter = new TaskCompletionSourceAdapter(tcs);
var tokenSource = new CancellationTokenSource();
var outgoingPhysicalMessageContext = new TestableOutgoingPhysicalMessageContext();
outgoingPhysicalMessageContext.Extensions.Set(new RequestResponseStateLookup.State
{
CancellationToken = tokenSource.Token,
TaskCompletionSource = adapter
});
var behavior = new UpdateRequestResponseCorrelationTableBehavior(requestResponseStateLookup);
await behavior.Invoke(outgoingPhysicalMessageContext, () =>
{
tokenSource.Cancel();
return Task.FromResult(0);
});
Assert.ThrowsAsync<TaskCanceledException>(async () => { await tcs.Task; });
Assert.IsEmpty(dictionary);
}
public void Below_v4_3_0_should_return_value_for_all_intents(string nsbVersion, MessageIntentEnum intent)
{
var correlationId = new Guid().ToString();
var lookup = new RequestResponseStateLookup();
lookup.RegisterState(correlationId, new RequestResponseStateLookup.State());
var message = new IncomingMessageFromLegacyEndpoint(nsbVersion, intent);
var incomingContext = new TestableIncomingLogicalMessageContext();
incomingContext.MessageHeaders.Add(Headers.CorrelationId, correlationId);
var result = incomingContext.TryRemoveResponseStateBasedOnCorrelationId(message, lookup);
Assert.IsTrue(result.HasValue);
}
protected override void Setup(FeatureConfigurationContext context)
{
if (!context.Settings.HasSetting("EndpointInstanceDiscriminator"))
{
throw new Exception("In order to use the callbacks feature you need to specify an endpoint instance ID via EndpointConfiguration.MakeInstanceUniquelyAddressable(string discriminator)");
}
var lookup = new RequestResponseStateLookup();
context.Pipeline.Register("RequestResponseInvocationForControlMessagesBehavior", new RequestResponseInvocationForControlMessagesBehavior(lookup), "Invokes the callback of a synchronous request/response for control messages");
context.Pipeline.Register("RequestResponseInvocationForMessagesBehavior", new RequestResponseInvocationForMessagesBehavior(lookup), "Invokes the callback of a synchronous request/response");
context.Pipeline.Register(new UpdateRequestResponseCorrelationTableBehavior.Registration(lookup));
}
protected override void Setup(FeatureConfigurationContext context)
{
if (!context.Settings.HasSetting("EndpointInstanceDiscriminator"))
{
throw new Exception("In order to use the callbacks feature you need to specify an endpoint instance ID via EndpointConfiguration.MakeInstanceUniquelyAddressable(string discriminator)");
}
var lookup = new RequestResponseStateLookup();
context.Pipeline.Register("RequestResponseInvocationForControlMessagesBehavior", new RequestResponseInvocationForControlMessagesBehavior(lookup), "Invokes the callback of a synchronous request/response for control messages");
context.Pipeline.Register("RequestResponseInvocationForMessagesBehavior", new RequestResponseInvocationForMessagesBehavior(lookup), "Invokes the callback of a synchronous request/response");
context.Pipeline.Register(new UpdateRequestResponseCorrelationTableBehavior.Registration(lookup));
context.Pipeline.Register("SetCallbackResponseReturnCodeBehavior", new SetCallbackResponseReturnCodeBehavior(), "Promotes the callback response return code to a header in order to be backwards compatible with v5 and below");
context.Pipeline.Register<SkipBestPracticesForReplyIntEnumBehavior.Registration>();
}
public void Below_v5_0_0_should_return_value_for_all_intents(string nsbVersion, MessageIntentEnum intent)
{
var correlationId = new Guid().ToString();
var lookup = new RequestResponseStateLookup();
lookup.RegisterState(correlationId, new RequestResponseStateLookup.State());
var message = new IncomingMessageFromLegacyEndpoint(nsbVersion, intent);
var incomingContext = new TestableIncomingLogicalMessageContext();
incomingContext.MessageHeaders.Add(Headers.CorrelationId, correlationId);
var result = incomingContext.TryRemoveResponseStateBasedOnCorrelationId(message, lookup);
Assert.IsTrue(result.HasValue);
}