/// <summary>
/// Creates a new <see cref="UnicastTransportOperation" /> instance.
/// </summary>
public UnicastTransportOperation(OutgoingMessage message, string destination, DispatchProperties properties, DispatchConsistency requiredDispatchConsistency = DispatchConsistency.Default)
{
Message = message;
Destination = destination;
Properties = properties;
RequiredDispatchConsistency = requiredDispatchConsistency;
}
protected Task SendMessage(
string address,
Dictionary <string, string> headers = null,
TransportTransaction transportTransaction = null,
DispatchProperties dispatchProperties = null,
DispatchConsistency dispatchConsistency = DispatchConsistency.Default,
byte[] body = null)
{
var messageId = Guid.NewGuid().ToString();
var message = new OutgoingMessage(messageId, headers ?? new Dictionary <string, string>(), body ?? Array.Empty <byte>());
if (message.Headers.ContainsKey(TestIdHeaderName) == false)
{
message.Headers.Add(TestIdHeaderName, testId);
}
if (transportTransaction == null)
{
transportTransaction = new TransportTransaction();
}
var transportOperation = new TransportOperation(message, new UnicastAddressTag(address), dispatchProperties, dispatchConsistency);
return(transportInfrastructure.Dispatcher.Dispatch(new TransportOperations(transportOperation), transportTransaction));
}
static bool CalculateDelay(DispatchProperties dispatchProperties, out long delay)
{
delay = 0;
var delayed = false;
if (dispatchProperties.DoNotDeliverBefore != null)
{
delayed = true;
delay = Convert.ToInt64(Math.Ceiling((dispatchProperties.DoNotDeliverBefore.At - DateTimeOffset.UtcNow).TotalSeconds));
if (delay > DelayInfrastructure.MaxDelayInSeconds)
{
throw new Exception($"Message cannot set to be delivered at '{dispatchProperties.DoNotDeliverBefore.At}' because the delay specified via {nameof(DelayedDeliveryOptionExtensions.DoNotDeliverBefore)} exceeds the maximum delay value '{TimeSpan.FromSeconds(DelayInfrastructure.MaxDelayInSeconds)}'.");
}
}
else if (dispatchProperties.DelayDeliveryWith != null)
{
delayed = true;
delay = Convert.ToInt64(Math.Ceiling(dispatchProperties.DelayDeliveryWith.Delay.TotalSeconds));
if (delay > DelayInfrastructure.MaxDelayInSeconds)
{
throw new Exception($"Message cannot be delayed by '{dispatchProperties.DelayDeliveryWith.Delay}' because the delay specified via {nameof(DelayedDeliveryOptionExtensions.DelayDeliveryWith)} exceeds the maximum delay value '{TimeSpan.FromSeconds(DelayInfrastructure.MaxDelayInSeconds)}'.");
}
}
return(delayed);
}
public override Task Invoke(IAuditContext context, Func <IRoutingContext, Task> stage)
{
var message = context.Message;
if (context.Extensions.TryGet(out State state))
{
//transfer audit values to the headers of the message to audit
foreach (var kvp in state.AuditValues)
{
message.Headers[kvp.Key] = kvp.Value;
}
}
var dispatchProperties = new DispatchProperties();
if (timeToBeReceived.HasValue)
{
dispatchProperties.DiscardIfNotReceivedBefore = new DiscardIfNotReceivedBefore(timeToBeReceived.Value);
}
var dispatchContext = this.CreateRoutingContext(context.Message, new UnicastRoutingStrategy(context.AuditAddress), context);
dispatchContext.Extensions.Set(dispatchProperties);
return(stage(dispatchContext));
}
public override Task Invoke(IRoutingContext context, Func <IDispatchContext, Task> stage)
{
var state = context.Extensions.GetOrCreate <State>();
var dispatchConsistency = state.ImmediateDispatch ? DispatchConsistency.Isolated : DispatchConsistency.Default;
var operations = new TransportOperation[context.RoutingStrategies.Count];
var index = 0;
foreach (var strategy in context.RoutingStrategies)
{
var addressLabel = strategy.Apply(context.Message.Headers);
var message = new OutgoingMessage(context.Message.MessageId, context.Message.Headers, context.Message.Body);
if (!context.Extensions.TryGet(out DispatchProperties dispatchProperties))
{
dispatchProperties = new DispatchProperties();
}
operations[index] = new TransportOperation(message, addressLabel, dispatchProperties, dispatchConsistency);
index++;
}
if (isDebugEnabled)
{
LogOutgoingOperations(operations);
}
if (!state.ImmediateDispatch && context.Extensions.TryGet(out PendingTransportOperations pendingOperations))
{
pendingOperations.AddRange(operations);
return(Task.CompletedTask);
}
return(stage(this.CreateDispatchContext(operations, context)));
}
public async Task Should_Reschedule_Timeouts()
{
var expectedDeliveryAt = new DateTimeOffset(new DateTime(2020, 1, 1));
var scenarioContext = new IntegrationScenarioContext();
scenarioContext.RegisterTimeoutRescheduleRule <AMessage>((msg, currentDelay) =>
{
return(new DoNotDeliverBefore(expectedDeliveryAt));
});
var context = new TestableOutgoingSendContext
{
Message = new OutgoingLogicalMessage(typeof(AMessage), new AMessage())
};
context.Headers.Add(Headers.SagaId, "a-saga-id");
context.Headers.Add(Headers.SagaType, "a-saga-type");
context.Headers.Add(Headers.IsSagaTimeoutMessage, bool.TrueString);
var properties = new DispatchProperties {
DoNotDeliverBefore = new DoNotDeliverBefore(new DateTime(2030, 1, 1))
};
context.Extensions.Set(properties);
var sut = new RescheduleTimeoutsBehavior(scenarioContext);;
await sut.Invoke(context, () => Task.CompletedTask).ConfigureAwait(false);
var rescheduledDoNotDeliverBefore = properties.DoNotDeliverBefore;
Assert.AreEqual(expectedDeliveryAt, rescheduledDoNotDeliverBefore.At);
}
internal static bool?ShouldUseDeadLetterQueue(this DispatchProperties dispatchProperties)
{
if (dispatchProperties.TryGetValue(KeyDeadLetterQueue, out var boolString))
{
return(bool.Parse(boolString));
}
return(null);
}
/// <summary>
/// Creates a new instance of a <see cref="TransportOperation" />.
/// </summary>
public TransportOperation(string messageId, DispatchProperties properties, byte[] body, Dictionary <string, string> headers)
{
Guard.AgainstNullAndEmpty(nameof(messageId), messageId);
MessageId = messageId;
Options = properties;
Body = body;
Headers = headers;
}
public static Message Convert(OutgoingMessage message, DispatchProperties dispatchProperties)
{
var result = new Message();
if (message.Body != null)
{
result.BodyStream = new MemoryStream(message.Body);
}
AssignMsmqNativeCorrelationId(message, result);
result.Recoverable = true;
if (dispatchProperties.DiscardIfNotReceivedBefore?.MaxTime < MessageQueue.InfiniteTimeout)
{
result.TimeToBeReceived = dispatchProperties.DiscardIfNotReceivedBefore.MaxTime;
}
var addCorrIdHeader = !message.Headers.ContainsKey("CorrId");
using (var stream = new MemoryStream())
{
var headers = message.Headers.Select(pair => new HeaderInfo
{
Key = pair.Key,
Value = pair.Value
}).ToList();
if (addCorrIdHeader)
{
headers.Add(new HeaderInfo
{
Key = "CorrId",
Value = result.CorrelationId
});
}
headerSerializer.Serialize(stream, headers);
result.Extension = stream.ToArray();
}
var messageIntent = default(MessageIntentEnum);
if (message.Headers.TryGetValue(Headers.MessageIntent, out var messageIntentString))
{
Enum.TryParse(messageIntentString, true, out messageIntent);
}
result.AppSpecific = (int)messageIntent;
return(result);
}
public async Task Should_default_dlq_to_off_for_messages_with_ttbr()
{
var dispatchProperties = new DispatchProperties
{
DiscardIfNotReceivedBefore = new DiscardIfNotReceivedBefore(TimeSpan.FromMinutes(10))
};
var dispatchedMessage = await DispatchMessage("dlqOffForTTBR", dispatchProperties : dispatchProperties);
Assert.False(dispatchedMessage.UseDeadLetterQueue);
}
public void Should_use_the_TTBR_in_the_send_options_if_set()
{
var properties = new DispatchProperties
{
DiscardIfNotReceivedBefore = new DiscardIfNotReceivedBefore(TimeSpan.FromDays(1))
};
var message = MsmqUtilities.Convert(new OutgoingMessage("message id", new Dictionary <string, string>(), new byte[0]), properties);
Assert.AreEqual(TimeSpan.FromDays(1), message.TimeToBeReceived);
}
public async Task Should_allow_optin_for_dlq_on_ttbr_messages()
{
var transportSettings = new MsmqTransport {
UseDeadLetterQueueForMessagesWithTimeToBeReceived = true
};
var dispatchProperties = new DispatchProperties
{
DiscardIfNotReceivedBefore = new DiscardIfNotReceivedBefore(TimeSpan.FromMinutes(10))
};
var dispatchedMessage = await DispatchMessage("dlqOnForTTBR", transportSettings, dispatchProperties);
Assert.True(dispatchedMessage.UseDeadLetterQueue);
}
static void ApplyDeliveryConstraints(ServiceBusMessage message, DispatchProperties dispatchProperties)
{
if (dispatchProperties.DoNotDeliverBefore != null)
{
message.ScheduledEnqueueTime = dispatchProperties.DoNotDeliverBefore.At;
}
else if (dispatchProperties.DelayDeliveryWith != null)
{
// Delaying with TimeSpan is currently not supported, see https://github.com/Azure/azure-service-bus-dotnet/issues/160
message.ScheduledEnqueueTime = DateTimeOffset.UtcNow + dispatchProperties.DelayDeliveryWith.Delay;
}
if (dispatchProperties.DiscardIfNotReceivedBefore != null)
{
message.TimeToLive = dispatchProperties.DiscardIfNotReceivedBefore.MaxTime;
}
}
static TimeSpan?GetDeliveryDelay(DispatchProperties properties)
{
var doNotDeliverBefore = properties.DoNotDeliverBefore;
if (doNotDeliverBefore != null)
{
return(ToNullIfNegative(doNotDeliverBefore.At - DateTimeOffset.UtcNow));
}
var delay = properties.DelayDeliveryWith;
if (delay != null)
{
return(ToNullIfNegative(delay.Delay));
}
return(null);
}
async Task BreakConnectionBySendingInvalidMessage(CancellationToken cancellationToken)
{
try
{
var outgoingMessage = new OutgoingMessage("Foo", new Dictionary <string, string>(), new byte[0]);
var props = new DispatchProperties
{
DiscardIfNotReceivedBefore =
new DiscardIfNotReceivedBefore(TimeSpan.FromMilliseconds(-1))
};
var operation = new TransportOperation(outgoingMessage, new UnicastAddressTag(settings.EndpointName()), props);
await sender.Dispatch(new TransportOperations(operation), new TransportTransaction(), cancellationToken);
}
catch (Exception ex) when(!ex.IsCausedBy(cancellationToken))
{
// Don't care
}
}
public async Task <int> Retry(IncomingMessage message, TimeSpan delay, TransportTransaction transportTransaction, CancellationToken cancellationToken = default)
{
var outgoingMessage = new OutgoingMessage(message.MessageId, new Dictionary <string, string>(message.Headers), message.Body);
var currentDelayedRetriesAttempt = message.GetDelayedDeliveriesPerformed() + 1;
outgoingMessage.SetCurrentDelayedDeliveries(currentDelayedRetriesAttempt);
outgoingMessage.SetDelayedDeliveryTimestamp(DateTimeOffset.UtcNow);
var dispatchProperties = new DispatchProperties
{
DelayDeliveryWith = new DelayDeliveryWith(delay)
};
var messageDestination = new UnicastAddressTag(endpointInputQueue);
var transportOperations = new TransportOperations(new TransportOperation(outgoingMessage, messageDestination, dispatchProperties));
await dispatcher.Dispatch(transportOperations, transportTransaction, cancellationToken).ConfigureAwait(false);
return(currentDelayedRetriesAttempt);
}
public async Task Should_honor_stored_delivery_constraints()
{
var messageId = "id";
var options = new DispatchProperties();
var deliverTime = DateTimeOffset.UtcNow.AddDays(1);
var maxTime = TimeSpan.FromDays(1);
options["Destination"] = "test";
options["DeliverAt"] = DateTimeOffsetHelper.ToWireFormattedString(deliverTime);
options["DelayDeliveryFor"] = TimeSpan.FromSeconds(10).ToString();
options["TimeToBeReceived"] = maxTime.ToString();
fakeOutbox.ExistingMessage = new OutboxMessage(messageId, new[]
{
new NServiceBus.Outbox.TransportOperation("x", options, new byte[0], new Dictionary <string, string>())
});
var context = CreateContext(fakeBatchPipeline, messageId);
await Invoke(context);
var operationProperties = new DispatchProperties(fakeBatchPipeline.TransportOperations.First().Properties);
var delayDeliveryWith = operationProperties.DelayDeliveryWith;
Assert.NotNull(delayDeliveryWith);
Assert.AreEqual(TimeSpan.FromSeconds(10), delayDeliveryWith.Delay);
var doNotDeliverBefore = operationProperties.DoNotDeliverBefore;
Assert.NotNull(doNotDeliverBefore);
Assert.AreEqual(deliverTime.ToString(), doNotDeliverBefore.At.ToString());
var discard = operationProperties.DiscardIfNotReceivedBefore;
Assert.NotNull(discard);
Assert.AreEqual(maxTime, discard.MaxTime);
Assert.Null(fakeOutbox.StoredMessage);
}
public void DispatchDelayedMessage(string id, byte[] extension, ReadOnlyMemory <byte> body, string destination, TransportTransaction transportTransaction)
{
var headersAndProperties = MsmqUtilities.DeserializeMessageHeaders(extension);
var headers = new Dictionary <string, string>();
var properties = new DispatchProperties();
foreach (var kvp in headersAndProperties)
{
if (kvp.Key.StartsWith(MsmqUtilities.PropertyHeaderPrefix))
{
properties[kvp.Key] = kvp.Value;
}
else
{
headers[kvp.Key] = kvp.Value;
}
}
var request = new OutgoingMessage(id, headers, body);
SendToDestination(transportTransaction, new UnicastTransportOperation(request, destination, properties));
}
Task Send(byte[] body, string messageType, TimeSpan timeToBeReceived, IMessageDispatcher dispatcher, CancellationToken cancellationToken)
{
var headers = new Dictionary <string, string>
{
[Headers.EnclosedMessageTypes] = messageType,
[Headers.ContentType] = ContentTypes.Json,
[Headers.MessageIntent] = sendIntent
};
if (localAddress != null)
{
headers[Headers.ReplyToAddress] = localAddress;
}
var outgoingMessage = new OutgoingMessage(Guid.NewGuid().ToString(), headers, body);
var properties = new DispatchProperties {
DiscardIfNotReceivedBefore = new DiscardIfNotReceivedBefore(timeToBeReceived)
};
var operation = new TransportOperation(outgoingMessage, new UnicastAddressTag(destinationQueue), properties);
return(dispatcher.Dispatch(new TransportOperations(operation), new TransportTransaction(), cancellationToken));
}
Task MessageReceivedOnChannel(MessageReceivedOnChannelArgs e, CancellationToken cancellationToken)
{
var body = e.Body;
var headers = e.Headers;
var id = e.Id;
var timeToBeReceived = e.TimeToBeReceived;
var destination = endpointRouter.GetDestinationFor();
Logger.Info("Sending message to " + destination);
var outgoingMessage = new OutgoingMessage(id, headers, body);
outgoingMessage.Headers[Headers.ReplyToAddress] = replyToAddress;
var dispatchProperties = new DispatchProperties {
DiscardIfNotReceivedBefore = new DiscardIfNotReceivedBefore(timeToBeReceived)
};
var transportOperations = new TransportOperations(new TransportOperation(outgoingMessage, new UnicastAddressTag(destination), dispatchProperties, DispatchConsistency.Default));
return(dispatchMessages.Dispatch(transportOperations, new TransportTransaction(), cancellationToken));
}
public async Task Should_honor_stored_direct_routing()
{
var messageId = "id";
var properties = new DispatchProperties {
["Destination"] = "myEndpoint"
};
fakeOutbox.ExistingMessage = new OutboxMessage(messageId, new[]
{
new NServiceBus.Outbox.TransportOperation("x", properties, new byte[0], new Dictionary <string, string>())
});
var context = CreateContext(fakeBatchPipeline, messageId);
await Invoke(context);
var routing = fakeBatchPipeline.TransportOperations.First().AddressTag as UnicastAddressTag;
Assert.NotNull(routing);
Assert.AreEqual("myEndpoint", routing.Destination);
Assert.Null(fakeOutbox.StoredMessage);
}
public async Task Should_honor_stored_pubsub_routing()
{
var messageId = "id";
var properties = new DispatchProperties
{
["EventType"] = typeof(MyEvent).AssemblyQualifiedName
};
fakeOutbox.ExistingMessage = new OutboxMessage(messageId, new[]
{
new NServiceBus.Outbox.TransportOperation("x", properties, new byte[0], new Dictionary <string, string>())
});
var context = CreateContext(fakeBatchPipeline, messageId);
await Invoke(context);
var routing = fakeBatchPipeline.TransportOperations.First().AddressTag as MulticastAddressTag;
Assert.NotNull(routing);
Assert.AreEqual(typeof(MyEvent), routing.MessageType);
Assert.Null(fakeOutbox.StoredMessage);
}
bool IsCombiningTimeToBeReceivedWithTransactions(TransportTransaction transaction,
DispatchConsistency requiredDispatchConsistency, DispatchProperties dispatchProperties)
{
if (!transportSettings.UseTransactionalQueues)
{
return(false);
}
if (requiredDispatchConsistency == DispatchConsistency.Isolated)
{
return(false);
}
var timeToBeReceivedRequested =
dispatchProperties.DiscardIfNotReceivedBefore?.MaxTime < MessageQueue.InfiniteTimeout;
if (!timeToBeReceivedRequested)
{
return(false);
}
if (Transaction.Current != null)
{
return(true);
}
return(TryGetNativeTransaction(transaction, out _));
}
static void MergeDispatchProperties(ContextBag context, DispatchProperties dispatchProperties)
{
// we can't add the constraints directly to the SendOptions ContextBag as the options can be reused
context.Set(new DispatchProperties(dispatchProperties));
}
public static void Fill(this IBasicProperties properties, OutgoingMessage message, DispatchProperties dispatchProperties)
{
if (message.MessageId != null)
{
properties.MessageId = message.MessageId;
}
var messageHeaders = message.Headers ?? new Dictionary <string, string>();
var delayed = CalculateDelay(dispatchProperties, out var delay);
properties.Persistent = !messageHeaders.Remove(UseNonPersistentDeliveryHeader);
properties.Headers = messageHeaders.ToDictionary(p => p.Key, p => (object)p.Value);
if (delayed)
{
properties.Headers[DelayInfrastructure.DelayHeader] = Convert.ToInt32(delay);
}
if (dispatchProperties.DiscardIfNotReceivedBefore != null && dispatchProperties.DiscardIfNotReceivedBefore.MaxTime < TimeSpan.MaxValue)
{
// align with TimeoutManager behavior
if (delayed)
{
throw new Exception("Postponed delivery of messages with TimeToBeReceived set is not supported. Remove the TimeToBeReceived attribute to postpone messages of this type.");
}
properties.Expiration = dispatchProperties.DiscardIfNotReceivedBefore.MaxTime.TotalMilliseconds.ToString(CultureInfo.InvariantCulture);
}
if (messageHeaders.TryGetValue(NServiceBus.Headers.CorrelationId, out var correlationId) && correlationId != null)
{
properties.CorrelationId = correlationId;
}
if (messageHeaders.TryGetValue(NServiceBus.Headers.EnclosedMessageTypes, out var enclosedMessageTypes) && enclosedMessageTypes != null)
{
var index = enclosedMessageTypes.IndexOf(',');
if (index > -1)
{
properties.Type = enclosedMessageTypes.Substring(0, index);
}
else
{
properties.Type = enclosedMessageTypes;
}
}
if (messageHeaders.TryGetValue(NServiceBus.Headers.ContentType, out var contentType) && contentType != null)
{
properties.ContentType = contentType;
}
else
{
properties.ContentType = "application/octet-stream";
}
if (messageHeaders.TryGetValue(NServiceBus.Headers.ReplyToAddress, out var replyToAddress) && replyToAddress != null)
{
properties.ReplyTo = replyToAddress;
}
}
public static ServiceBusMessage ToAzureServiceBusMessage(this OutgoingMessage outgoingMessage, DispatchProperties dispatchProperties, string incomingQueuePartitionKey)
{
var message = new ServiceBusMessage(outgoingMessage.Body)
{
// Cannot re-use MessageId to be compatible with ASB transport that could have native de-dup enabled
MessageId = Guid.NewGuid().ToString()
};
// The value needs to be "application/octect-stream" and not "application/octet-stream" for interop with ASB transport
message.ApplicationProperties[TransportMessageHeaders.TransportEncoding] = "application/octect-stream";
message.TransactionPartitionKey = incomingQueuePartitionKey;
ApplyDeliveryConstraints(message, dispatchProperties);
ApplyCorrelationId(message, outgoingMessage.Headers);
ApplyContentType(message, outgoingMessage.Headers);
SetReplyToAddress(message, outgoingMessage.Headers);
CopyHeaders(message, outgoingMessage.Headers);
return(message);
}
static async Task <Message> DispatchMessage(string queueName, MsmqTransport settings = null, DispatchProperties dispatchProperties = null, CancellationToken cancellationToken = default)
{
if (settings == null)
{
settings = new MsmqTransport();
}
var path = $@".\private$\{queueName}";
try
{
MsmqHelpers.DeleteQueue(path);
MsmqHelpers.CreateQueue(path);
var messageSender = new MsmqMessageDispatcher(settings, "timeouts");
var bytes = new byte[]
{
1
};
var headers = new Dictionary <string, string>();
var outgoingMessage = new OutgoingMessage("1", headers, bytes);
dispatchProperties = dispatchProperties ?? new DispatchProperties();
var transportOperation = new TransportOperation(outgoingMessage, new UnicastAddressTag(queueName), dispatchProperties);
await messageSender.Dispatch(new TransportOperations(transportOperation), new TransportTransaction(), cancellationToken);
using (var queue = new MessageQueue(path))
using (var message = queue.Receive(TimeSpan.FromSeconds(5)))
{
return(message);
}
}
finally
{
MsmqHelpers.DeleteQueue(path);
}
}
