/// <summary>
/// Publishes the provided <paramref name="event"/> on the event bus.
/// </summary>
public virtual void Publish <TEvent>(TEvent @event)
where TEvent : IEvent <TAuthenticationToken>
{
DateTimeOffset startedAt = DateTimeOffset.UtcNow;
Stopwatch mainStopWatch = Stopwatch.StartNew();
string responseCode = null;
bool mainWasSuccessfull = false;
bool telemeterOverall = false;
IDictionary <string, string> telemetryProperties = new Dictionary <string, string> {
{ "Type", "Azure/Servicebus" }
};
string telemetryName = string.Format("{0}/{1}", @event.GetType().FullName, @event.Id);
var telemeteredEvent = @event as ITelemeteredMessage;
if (telemeteredEvent != null)
{
telemetryName = telemeteredEvent.TelemetryName;
}
telemetryName = string.Format("Event/{0}", telemetryName);
try
{
if (!AzureBusHelper.PrepareAndValidateEvent(@event, "Azure-ServiceBus"))
{
return;
}
var privateEventAttribute = Attribute.GetCustomAttribute(typeof(TEvent), typeof(PrivateEventAttribute)) as PrivateEventAttribute;
var publicEventAttribute = Attribute.GetCustomAttribute(typeof(TEvent), typeof(PrivateEventAttribute)) as PublicEventAttribute;
// We only add telemetry for overall operations if two occured
telemeterOverall = publicEventAttribute != null && privateEventAttribute != null;
// Backwards compatibility and simplicity
bool wasSuccessfull;
Stopwatch stopWatch = Stopwatch.StartNew();
if (publicEventAttribute == null && privateEventAttribute == null)
{
stopWatch.Restart();
responseCode = "200";
wasSuccessfull = false;
try
{
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseEvent(@event))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", @event.GetType().FullName);
PublicServiceBusPublisher.Send(brokeredMessage);
wasSuccessfull = true;
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the event being sent was too large or the topic has reached it's limit.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish an event.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
finally
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Event", telemetryName, "Default Bus", startedAt, stopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
Logger.LogDebug(string.Format("An event was published on the public bus with the id '{0}' was of type {1}.", @event.Id, @event.GetType().FullName));
}
if (publicEventAttribute != null)
{
stopWatch.Restart();
responseCode = "200";
wasSuccessfull = false;
try
{
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseEvent(@event))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", @event.GetType().FullName);
PublicServiceBusPublisher.Send(brokeredMessage);
wasSuccessfull = true;
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the event being sent was too large.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish an event.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
finally
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Event", telemetryName, "Public Bus", startedAt, stopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
Logger.LogDebug(string.Format("An event was published on the public bus with the id '{0}' was of type {1}.", @event.Id, @event.GetType().FullName));
}
if (privateEventAttribute != null)
{
stopWatch.Restart();
responseCode = "200";
wasSuccessfull = false;
try
{
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseEvent(@event))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", @event.GetType().FullName);
PrivateServiceBusPublisher.Send(brokeredMessage);
wasSuccessfull = true;
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the event being sent was too large.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish an event.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
finally
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Event", telemetryName, "Private Bus", startedAt, stopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
Logger.LogDebug(string.Format("An event was published on the private bus with the id '{0}' was of type {1}.", @event.Id, @event.GetType().FullName));
}
mainWasSuccessfull = true;
}
finally
{
mainStopWatch.Stop();
if (telemeterOverall)
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Event", telemetryName, null, startedAt, mainStopWatch.Elapsed, responseCode, mainWasSuccessfull, telemetryProperties);
}
}
}
public void Save_ValidEvent_EventCanBeRetreived()
{
// Arrange
var correlationIdHelper = new CorrelationIdHelper(new ThreadedContextItemCollectionFactory());
correlationIdHelper.SetCorrelationId(Guid.NewGuid());
var logger = new ConsoleLogger(new LoggerSettings(), correlationIdHelper);
try
{
// Arrange
var connectionStringFactory = new TestMongoEventStoreConnectionStringFactory();
TestMongoEventStoreConnectionStringFactory.DatabaseName = string.Format("Test-{0}", new Random().Next(0, 9999));
var eventStore = new MongoDbEventStore <Guid>(new MongoDbEventBuilder <Guid>(), new MongoDbEventDeserialiser <Guid>(), logger, connectionStringFactory);
var event1 = new TestEvent
{
Rsn = Guid.NewGuid(),
Id = Guid.NewGuid(),
CorrelationId = correlationIdHelper.GetCorrelationId(),
Frameworks = new List <string> {
"Test 1"
},
TimeStamp = DateTimeOffset.UtcNow
};
var event2 = new TestEvent
{
Rsn = Guid.NewGuid(),
Id = Guid.NewGuid(),
CorrelationId = correlationIdHelper.GetCorrelationId(),
Frameworks = new List <string> {
"Test 2"
},
TimeStamp = DateTimeOffset.UtcNow
};
// Act
eventStore.Save <TestEvent>(event1);
eventStore.Save <TestEvent>(event2);
// Assert
var timer = new Stopwatch();
IList <IEvent <Guid> > events = eventStore.Get <TestEvent>(event1.Id).ToList();
timer.Stop();
Console.WriteLine("Load one operation took {0}", timer.Elapsed);
Assert.AreEqual(1, events.Count);
Assert.AreEqual(event1.Id, events.Single().Id);
Assert.AreEqual(event1.Frameworks.Single(), events.Single().Frameworks.Single());
timer.Restart();
events = eventStore.Get <TestEvent>(event2.Id).ToList();
timer.Stop();
Console.WriteLine("Load one operation took {0}", timer.Elapsed);
Assert.AreEqual(1, events.Count);
Assert.AreEqual(event2.Id, events.Single().Id);
Assert.AreEqual(event2.Frameworks.Single(), events.Single().Frameworks.Single());
timer.Restart();
IList <EventData> correlatedEvents = eventStore.Get(event1.CorrelationId).ToList();
timer.Stop();
Console.WriteLine("Load several correlated operation took {0}", timer.Elapsed);
Assert.AreEqual(2, correlatedEvents.Count);
}
finally
{
// Clean-up
TestMongoDataStoreConnectionStringFactory.DatabaseName = TestMongoEventStoreConnectionStringFactory.DatabaseName;
var factory = new TestMongoDbDataStoreFactory(logger, new TestMongoDataStoreConnectionStringFactory());
IMongoCollection <TestEvent> collection = factory.GetTestEventCollection();
collection.Database.Client.DropDatabase(TestMongoDataStoreConnectionStringFactory.DatabaseName);
}
}
public virtual void Publish <TCommand>(TCommand command)
where TCommand : ICommand <TAuthenticationToken>
{
DateTimeOffset startedAt = DateTimeOffset.UtcNow;
Stopwatch mainStopWatch = Stopwatch.StartNew();
string responseCode = "200";
bool wasSuccessfull = false;
IDictionary <string, string> telemetryProperties = new Dictionary <string, string> {
{ "Type", "Azure/Servicebus" }
};
string telemetryName = string.Format("{0}/{1}", command.GetType().FullName, command.Id);
var telemeteredCommand = command as ITelemeteredMessage;
if (telemeteredCommand != null)
{
telemetryName = telemeteredCommand.TelemetryName;
}
telemetryName = string.Format("Command/{0}", telemetryName);
try
{
if (!AzureBusHelper.PrepareAndValidateCommand(command, "Azure-ServiceBus"))
{
return;
}
try
{
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseCommand(command))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", command.GetType().FullName);
PrivateServiceBusPublisher.Send(brokeredMessage);
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the command being sent was too large.", exception: exception, metaData: new Dictionary <string, object> {
{ "Command", command }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish a command.", exception: exception, metaData: new Dictionary <string, object> {
{ "Command", command }
});
throw;
}
Logger.LogInfo(string.Format("A command was sent of type {0}.", command.GetType().FullName));
wasSuccessfull = true;
}
finally
{
mainStopWatch.Stop();
TelemetryHelper.TrackDependency("Azure/Servicebus/CommandBus", "Command", telemetryName, null, startedAt, mainStopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
}
/// <summary>
/// Publishes the provided <paramref name="events"/> on the event bus.
/// </summary>
public virtual void Publish <TEvent>(IEnumerable <TEvent> events)
where TEvent : IEvent <TAuthenticationToken>
{
IList <TEvent> sourceEvents = events.ToList();
DateTimeOffset startedAt = DateTimeOffset.UtcNow;
Stopwatch mainStopWatch = Stopwatch.StartNew();
string responseCode = null;
bool mainWasSuccessfull = false;
IDictionary <string, string> telemetryProperties = new Dictionary <string, string> {
{ "Type", "Azure/Servicebus" }
};
string telemetryName = "Events";
string telemetryNames = string.Empty;
foreach (TEvent @event in sourceEvents)
{
string subTelemetryName = string.Format("{0}/{1}", @event.GetType().FullName, @event.Id);
var telemeteredEvent = @event as ITelemeteredMessage;
if (telemeteredEvent != null)
{
subTelemetryName = telemeteredEvent.TelemetryName;
}
telemetryNames = string.Format("{0}{1},", telemetryNames, subTelemetryName);
}
if (telemetryNames.Length > 0)
{
telemetryNames = telemetryNames.Substring(0, telemetryNames.Length - 1);
}
telemetryProperties.Add("Events", telemetryNames);
try
{
IList <string> sourceEventMessages = new List <string>();
IList <BrokeredMessage> privateBrokeredMessages = new List <BrokeredMessage>(sourceEvents.Count);
IList <BrokeredMessage> publicBrokeredMessages = new List <BrokeredMessage>(sourceEvents.Count);
foreach (TEvent @event in sourceEvents)
{
if (!AzureBusHelper.PrepareAndValidateEvent(@event, "Azure-ServiceBus"))
{
continue;
}
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseEvent(@event))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", @event.GetType().FullName);
var privateEventAttribute = Attribute.GetCustomAttribute(typeof(TEvent), typeof(PrivateEventAttribute)) as PrivateEventAttribute;
var publicEventAttribute = Attribute.GetCustomAttribute(typeof(TEvent), typeof(PrivateEventAttribute)) as PublicEventAttribute;
if
(
// Backwards compatibility and simplicity
(publicEventAttribute == null && privateEventAttribute == null)
||
publicEventAttribute != null
)
{
publicBrokeredMessages.Add(brokeredMessage);
sourceEventMessages.Add(string.Format("An event was published on the public bus with the id '{0}' was of type {1}.", @event.Id, @event.GetType().FullName));
}
if (privateEventAttribute != null)
{
privateBrokeredMessages.Add(brokeredMessage);
sourceEventMessages.Add(string.Format("An event was published on the private bus with the id '{0}' was of type {1}.", @event.Id, @event.GetType().FullName));
}
}
bool wasSuccessfull;
Stopwatch stopWatch = Stopwatch.StartNew();
// Backwards compatibility and simplicity
stopWatch.Restart();
responseCode = "200";
wasSuccessfull = false;
try
{
PublicServiceBusPublisher.SendBatch(publicBrokeredMessages);
wasSuccessfull = true;
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the event being sent was too large.", exception: exception, metaData: new Dictionary <string, object> {
{ "Events", publicBrokeredMessages }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish an event.", exception: exception, metaData: new Dictionary <string, object> {
{ "Events", publicBrokeredMessages }
});
throw;
}
finally
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Event", telemetryName, "Public Bus", startedAt, stopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
stopWatch.Restart();
responseCode = "200";
wasSuccessfull = false;
try
{
PrivateServiceBusPublisher.SendBatch(privateBrokeredMessages);
wasSuccessfull = true;
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the event being sent was too large.", exception: exception, metaData: new Dictionary <string, object> {
{ "Events", privateBrokeredMessages }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish an event.", exception: exception, metaData: new Dictionary <string, object> {
{ "Events", privateBrokeredMessages }
});
throw;
}
finally
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Event", telemetryName, "Private Bus", startedAt, stopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
foreach (string message in sourceEventMessages)
{
Logger.LogInfo(message);
}
mainWasSuccessfull = true;
}
finally
{
mainStopWatch.Stop();
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Event", telemetryName, null, startedAt, mainStopWatch.Elapsed, responseCode, mainWasSuccessfull, telemetryProperties);
}
}
protected override void ReceiveEvent(PartitionContext context, EventData eventData)
{
// Do a manual 10 try attempt with back-off
for (int i = 0; i < 10; i++)
{
try
{
Logger.LogDebug(string.Format("An event message arrived with the partition key '{0}', sequence number '{1}' and offset '{2}'.", eventData.PartitionKey, eventData.SequenceNumber, eventData.Offset));
string messageBody = Encoding.UTF8.GetString(eventData.GetBytes());
IEvent <TAuthenticationToken> @event = MessageSerialiser.DeserialiseEvent(messageBody);
CorrelationIdHelper.SetCorrelationId(@event.CorrelationId);
Logger.LogInfo(string.Format("An event message arrived with the partition key '{0}', sequence number '{1}' and offset '{2}' was of type {3}.", eventData.PartitionKey, eventData.SequenceNumber, eventData.Offset, @event.GetType().FullName));
Type eventType = @event.GetType();
string targetQueueName = eventType.FullName;
try
{
object rsn = eventType.GetProperty("Rsn").GetValue(@event, null);
targetQueueName = string.Format("{0}.{1}", targetQueueName, rsn);
}
catch
{
Logger.LogDebug(string.Format("An event message arrived with the partition key '{0}', sequence number '{1}' and offset '{2}' was of type {3} but with no Rsn property.", eventData.PartitionKey, eventData.SequenceNumber, eventData.Offset, eventType));
// Do nothing if there is no rsn. Just use @event type name
}
CreateQueueAndAttachListenerIfNotExist(targetQueueName);
EnqueueEvent(targetQueueName, @event);
// remove the original message from the incoming queue
context.CheckpointAsync(eventData);
Logger.LogDebug(string.Format("An event message arrived and was processed with the partition key '{0}', sequence number '{1}' and offset '{2}'.", eventData.PartitionKey, eventData.SequenceNumber, eventData.Offset));
return;
}
catch (Exception exception)
{
// Indicates a problem, unlock message in queue
Logger.LogError(string.Format("An event message arrived with the partition key '{0}', sequence number '{1}' and offset '{2}' but failed to be process.", eventData.PartitionKey, eventData.SequenceNumber, eventData.Offset), exception: exception);
switch (i)
{
case 0:
case 1:
// 10 seconds
Thread.Sleep(10 * 1000);
break;
case 2:
case 3:
// 30 seconds
Thread.Sleep(30 * 1000);
break;
case 4:
case 5:
case 6:
// 1 minute
Thread.Sleep(60 * 1000);
break;
case 7:
case 8:
case 9:
// 3 minutes
Thread.Sleep(3 * 60 * 1000);
break;
}
}
}
// Eventually just accept it
context.CheckpointAsync(eventData);
}
/// <summary>
/// Publishes the provided <paramref name="command"></paramref> and waits for an event of <typeparamref name="TEvent"/> or exits if the specified timeout is expired.
/// </summary>
/// <param name="command">The <typeparamref name="TCommand"/> to publish.</param>
/// <param name="condition">A delegate to be executed over and over until it returns the <typeparamref name="TEvent"/> that is desired, return null to keep trying.</param>
/// <param name="millisecondsTimeout">The number of milliseconds to wait, or <see cref="F:System.Threading.Timeout.Infinite"/> (-1) to wait indefinitely.</param>
/// <param name="eventReceiver">If provided, is the <see cref="IEventReceiver{TAuthenticationToken}" /> that the event is expected to be returned on.</param>
public virtual TEvent PublishAndWait <TCommand, TEvent>(TCommand command, Func <IEnumerable <IEvent <TAuthenticationToken> >, TEvent> condition, int millisecondsTimeout,
IEventReceiver <TAuthenticationToken> eventReceiver = null) where TCommand : ICommand <TAuthenticationToken>
{
DateTimeOffset startedAt = DateTimeOffset.UtcNow;
Stopwatch mainStopWatch = Stopwatch.StartNew();
string responseCode = "200";
bool wasSuccessfull = false;
IDictionary <string, string> telemetryProperties = new Dictionary <string, string> {
{ "Type", "Azure/Servicebus" }
};
string telemetryName = string.Format("{0}/{1}", command.GetType().FullName, command.Id);
var telemeteredCommand = command as ITelemeteredMessage;
if (telemeteredCommand != null)
{
telemetryName = telemeteredCommand.TelemetryName;
}
telemetryName = string.Format("Command/{0}", telemetryName);
TEvent result;
try
{
if (eventReceiver != null)
{
throw new NotSupportedException("Specifying a different event receiver is not yet supported.");
}
if (!AzureBusHelper.PrepareAndValidateCommand(command, "Azure-ServiceBus"))
{
return((TEvent)(object)null);
}
result = (TEvent)(object)null;
EventWaits.Add(command.CorrelationId, new List <IEvent <TAuthenticationToken> >());
try
{
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseCommand(command))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", command.GetType().FullName);
PrivateServiceBusPublisher.Send(brokeredMessage);
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the command being sent was too large.", exception: exception, metaData: new Dictionary <string, object> {
{ "Command", command }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish a command.", exception: exception, metaData: new Dictionary <string, object> {
{ "Command", command }
});
throw;
}
Logger.LogInfo(string.Format("A command was sent of type {0}.", command.GetType().FullName));
wasSuccessfull = true;
}
finally
{
mainStopWatch.Stop();
TelemetryHelper.TrackDependency("Azure/Servicebus/CommandBus", "Command", telemetryName, null, startedAt, mainStopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
SpinWait.SpinUntil(() =>
{
IList <IEvent <TAuthenticationToken> > events = EventWaits[command.CorrelationId];
result = condition(events);
return(result != null);
}, millisecondsTimeout, sleepInMilliseconds: 1000);
TelemetryHelper.TrackDependency("Azure/Servicebus/CommandBus", "Command/AndWait", string.Format("Command/AndWait{0}", telemetryName.Substring(7)), null, startedAt, mainStopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
return(result);
}
/// <summary>
/// Create a <see cref="BrokeredMessage"/> with additional properties to aid routing and tracing
/// </summary>
protected virtual BrokeredMessage CreateBrokeredMessage <TMessage>(Func <TMessage, string> serialiserFunction, Type messageType, TMessage message)
{
string messageBody = serialiserFunction(message);
#if NET452
var brokeredMessage = new BrokeredMessage(messageBody)
#endif
#if NETSTANDARD2_0
byte[] messageBodyData;
using (var stream = new MemoryStream())
{
brokeredMessageSerialiser.WriteObject(stream, messageBody);
stream.Flush();
stream.Position = 0;
messageBodyData = stream.ToArray();
}
var brokeredMessage = new BrokeredMessage(messageBodyData)
#endif
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.AddUserProperty("CorrelationId", brokeredMessage.CorrelationId);
brokeredMessage.AddUserProperty("Type", messageType.FullName);
brokeredMessage.AddUserProperty("Source", string.Format("{0}/{1}/{2}/{3}", Logger.LoggerSettings.ModuleName, Logger.LoggerSettings.Instance, Logger.LoggerSettings.Environment, Logger.LoggerSettings.EnvironmentInstance));
#if NET452
brokeredMessage.AddUserProperty("Framework", ".NET Framework");
#else
brokeredMessage.AddUserProperty("Framework", ".NET Core");
#endif
// see https://github.com/Chinchilla-Software-Com/CQRS/wiki/Inter-process-function-security</remarks>
string configurationKey = string.Format("{0}.SigningToken", messageType.FullName);
string signingToken;
HashAlgorithm signer = Signer.Create();
if (!ConfigurationManager.TryGetSetting(configurationKey, out signingToken) || string.IsNullOrWhiteSpace(signingToken))
{
if (!ConfigurationManager.TryGetSetting(SigningTokenConfigurationKey, out signingToken) || string.IsNullOrWhiteSpace(signingToken))
{
signingToken = Guid.Empty.ToString("N");
}
}
if (!string.IsNullOrWhiteSpace(signingToken))
{
using (var hashStream = new MemoryStream(Encoding.UTF8.GetBytes($"{signingToken}{messageBody}")))
brokeredMessage.AddUserProperty("Signature", Convert.ToBase64String(signer.ComputeHash(hashStream)));
}
try
{
var stackTrace = new StackTrace();
StackFrame[] stackFrames = stackTrace.GetFrames();
if (stackFrames != null)
{
foreach (StackFrame frame in stackFrames)
{
MethodBase method = frame.GetMethod();
if (method.ReflectedType == null)
{
continue;
}
try
{
if (ExclusionNamespaces.All(@namespace => !method.ReflectedType.FullName.StartsWith(@namespace)))
{
brokeredMessage.AddUserProperty("Source-Method", string.Format("{0}.{1}", method.ReflectedType.FullName, method.Name));
break;
}
}
catch
{
// Just move on
}
}
}
}
catch
{
// Just move on
}
return(brokeredMessage);
}
protected virtual TServiceResponse CompleteResponse <TServiceResponse>(TServiceResponse serviceResponse)
where TServiceResponse : IServiceResponse
{
serviceResponse.CorrelationId = CorrelationIdHelper.GetCorrelationId();
return(serviceResponse);
}
public virtual ICommand <TAuthenticationToken> ReceiveCommand(string messageBody, Action <ICommand <TAuthenticationToken> > receiveCommandHandler, string messageId, Action skippedAction = null, Action lockRefreshAction = null)
{
ICommand <TAuthenticationToken> command;
try
{
command = MessageSerialiser.DeserialiseCommand(messageBody);
}
catch (JsonSerializationException exception)
{
JsonSerializationException checkException = exception;
bool safeToExit = false;
do
{
if (checkException.Message.StartsWith("Could not load assembly"))
{
safeToExit = true;
break;
}
} while ((checkException = checkException.InnerException as JsonSerializationException) != null);
if (safeToExit)
{
const string pattern = @"(?<=^Error resolving type specified in JSON ').+?(?='\. Path '\$type')";
Match match = new Regex(pattern).Match(exception.Message);
if (match.Success)
{
string[] typeParts = match.Value.Split(',');
if (typeParts.Length == 2)
{
string classType = typeParts[0];
bool isRequired = BusHelper.IsEventRequired(string.Format("{0}.IsRequired", classType));
if (!isRequired)
{
if (skippedAction != null)
{
skippedAction();
}
return(null);
}
}
}
}
throw;
}
string commandTypeName = command.GetType().FullName;
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
Logger.LogInfo(string.Format("A command message arrived with the {0} was of type {1}.", messageId, commandTypeName));
bool canRefresh;
if (!ConfigurationManager.TryGetSetting(string.Format("{0}.ShouldRefresh", commandTypeName), out canRefresh))
{
canRefresh = false;
}
if (canRefresh)
{
if (lockRefreshAction == null)
{
Logger.LogWarning(string.Format("A command message arrived with the {0} was of type {1} and was destined to support lock renewal, but no action was provided.", messageId, commandTypeName));
}
else
{
lockRefreshAction();
}
}
receiveCommandHandler(command);
return(command);
}
/// <summary>
/// Publishes the provided <paramref name="event"/> on the event bus.
/// </summary>
public virtual void Publish <TEvent>(TEvent @event)
where TEvent : IEvent <TAuthenticationToken>
{
Type eventType = @event.GetType();
string eventName = eventType.FullName;
ISagaEvent <TAuthenticationToken> sagaEvent = @event as ISagaEvent <TAuthenticationToken>;
if (sagaEvent != null)
{
eventName = string.Format("Cqrs.Events.SagaEvent[{0}]", sagaEvent.Event.GetType().FullName);
}
DateTimeOffset startedAt = DateTimeOffset.UtcNow;
Stopwatch mainStopWatch = Stopwatch.StartNew();
string responseCode = "200";
bool wasSuccessfull = false;
IDictionary <string, string> telemetryProperties = new Dictionary <string, string> {
{ "Type", "InProcessBus" }
};
string telemetryName = string.Format("{0}/{1}/{2}", eventName, @event.GetIdentity(), @event.Id);
var telemeteredEvent = @event as ITelemeteredMessage;
if (telemeteredEvent != null)
{
telemetryName = telemeteredEvent.TelemetryName;
}
telemetryName = string.Format("Event/{0}", telemetryName);
try
{
if (@event.Frameworks != null && @event.Frameworks.Contains("Built-In"))
{
Logger.LogInfo("The provided event has already been processed by the Built-In bus.", string.Format("{0}\\PrepareAndValidateEvent({1})", GetType().FullName, eventType.FullName));
return;
}
if (@event.AuthenticationToken == null || @event.AuthenticationToken.Equals(default(TAuthenticationToken)))
{
@event.AuthenticationToken = AuthenticationTokenHelper.GetAuthenticationToken();
}
@event.CorrelationId = CorrelationIdHelper.GetCorrelationId();
if (string.IsNullOrWhiteSpace(@event.OriginatingFramework))
{
@event.TimeStamp = DateTimeOffset.UtcNow;
@event.OriginatingFramework = "Built-In";
}
var frameworks = new List <string>();
if (@event.Frameworks != null)
{
frameworks.AddRange(@event.Frameworks);
}
frameworks.Add("Built-In");
@event.Frameworks = frameworks;
bool isRequired;
if (!ConfigurationManager.TryGetSetting(string.Format("{0}.IsRequired", eventName), out isRequired))
{
isRequired = true;
}
IEnumerable <Action <IMessage> > handlers = Routes.GetHandlers(@event, isRequired).Select(x => x.Delegate).ToList();
// This check doesn't require an isRequired check as there will be an exception raised above and handled below.
if (!handlers.Any())
{
Logger.LogDebug(string.Format("An event handler for '{0}' is not required.", eventName));
}
foreach (Action <IMessage> handler in handlers)
{
IList <IEvent <TAuthenticationToken> > events;
if (EventWaits.TryGetValue(@event.CorrelationId, out events))
{
events.Add(@event);
}
handler(@event);
}
Logger.LogInfo(string.Format("An event was sent of type {0}.", eventName));
wasSuccessfull = true;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish an event.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
finally
{
mainStopWatch.Stop();
TelemetryHelper.TrackDependency("InProcessBus/EventBus", "Event", telemetryName, null, startedAt, mainStopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
}
protected virtual void ReceiveEvent(BrokeredMessage message)
{
var brokeredMessageRenewCancellationTokenSource = new CancellationTokenSource();
try
{
Logger.LogDebug(string.Format("An event message arrived with the id '{0}'.", message.MessageId));
string messageBody = message.GetBody <string>();
IEvent <TAuthenticationToken> @event;
try
{
@event = MessageSerialiser.DeserialiseEvent(messageBody);
}
catch (JsonSerializationException exception)
{
JsonSerializationException checkException = exception;
bool safeToExit = false;
do
{
if (checkException.Message.StartsWith("Could not load assembly"))
{
safeToExit = true;
break;
}
} while ((checkException = checkException.InnerException as JsonSerializationException) != null);
if (safeToExit)
{
const string pattern = @"(?<=^Error resolving type specified in JSON ').+?(?='\. Path '\$type')";
Match match = new Regex(pattern).Match(exception.Message);
if (match.Success)
{
string[] typeParts = match.Value.Split(',');
if (typeParts.Length == 2)
{
string classType = typeParts[0];
bool isRequired;
if (!ConfigurationManager.TryGetSetting(string.Format("{0}.IsRequired", classType), out isRequired))
{
isRequired = true;
}
if (!isRequired)
{
// Remove message from queue
message.Complete();
Logger.LogDebug(string.Format("An event message arrived with the id '{0}' but processing was skipped due to event settings.", message.MessageId));
return;
}
}
}
}
throw;
}
CorrelationIdHelper.SetCorrelationId(@event.CorrelationId);
Logger.LogInfo(string.Format("An event message arrived with the id '{0}' was of type {1}.", message.MessageId, @event.GetType().FullName));
bool canRefresh;
if (!ConfigurationManager.TryGetSetting(string.Format("{0}.ShouldRefresh", @event.GetType().FullName), out canRefresh))
{
canRefresh = false;
}
if (canRefresh)
{
Task.Factory.StartNew(() =>
{
while (!brokeredMessageRenewCancellationTokenSource.Token.IsCancellationRequested)
{
//Based on LockedUntilUtc property to determine if the lock expires soon
if (DateTime.UtcNow > message.LockedUntilUtc.AddSeconds(-10))
{
// If so, repeat the message
message.RenewLock();
}
Thread.Sleep(500);
}
}, brokeredMessageRenewCancellationTokenSource.Token);
}
ReceiveEvent(@event);
// Remove message from queue
message.Complete();
Logger.LogDebug(string.Format("An event message arrived and was processed with the id '{0}'.", message.MessageId));
}
catch (Exception exception)
{
// Indicates a problem, unlock message in queue
Logger.LogError(string.Format("An event message arrived with the id '{0}' but failed to be process.", message.MessageId), exception: exception);
message.Abandon();
}
finally
{
// Cancel the lock of renewing the task
brokeredMessageRenewCancellationTokenSource.Cancel();
}
}
protected virtual void ReceiveCommand(BrokeredMessage message)
{
try
{
Logger.LogDebug(string.Format("A command message arrived with the id '{0}'.", message.MessageId));
string messageBody = message.GetBody <string>();
ICommand <TAuthenticationToken> command;
try
{
command = MessageSerialiser.DeserialiseCommand(messageBody);
}
catch (JsonSerializationException exception)
{
JsonSerializationException checkException = exception;
bool safeToExit = false;
do
{
if (checkException.Message.StartsWith("Could not load assembly"))
{
safeToExit = true;
break;
}
} while ((checkException = checkException.InnerException as JsonSerializationException) != null);
if (safeToExit)
{
const string pattern = @"(?<=^Error resolving type specified in JSON ').+?(?='\. Path '\$type')";
Match match = new Regex(pattern).Match(exception.Message);
if (match.Success)
{
string[] typeParts = match.Value.Split(',');
if (typeParts.Length == 2)
{
string classType = typeParts[0];
bool isRequired = BusHelper.IsEventRequired(classType);
if (!isRequired)
{
// Remove message from queue
message.Complete();
Logger.LogDebug(string.Format("A command message arrived with the id '{0}' but processing was skipped due to command settings.", message.MessageId));
return;
}
}
}
}
throw;
}
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
Logger.LogInfo(string.Format("A command message arrived with the id '{0}' was of type {1}.", message.MessageId, command.GetType().FullName));
ReceiveCommand(command);
// Remove message from queue
message.Complete();
Logger.LogDebug(string.Format("A command message arrived and was processed with the id '{0}'.", message.MessageId));
}
catch (Exception exception)
{
// Indicates a problem, unlock message in queue
Logger.LogError(string.Format("A command message arrived with the id '{0}' but failed to be process.", message.MessageId), exception: exception);
message.Abandon();
}
}
/// <summary>
/// Create a <see cref="BrokeredMessage"/> with additional properties to aid routing and tracing
/// </summary>
protected virtual BrokeredMessage CreateBrokeredMessage <TMessage>(Func <TMessage, string> serialiserFunction, Type messageType, TMessage message)
{
string messageBody = serialiserFunction(message);
var brokeredMessage = new BrokeredMessage(messageBody)
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", messageType.FullName);
brokeredMessage.Properties.Add("Source", string.Format("{0}/{1}/{2}/{3}", LoggerSettings.ModuleName, LoggerSettings.Instance, LoggerSettings.Environment, LoggerSettings.EnvironmentInstance));
// see https://github.com/Chinchilla-Software-Com/CQRS/wiki/Inter-process-function-security</remarks>
string configurationKey = string.Format("{0}.SigningToken", messageType.FullName);
string signingToken;
if (!ConfigurationManager.TryGetSetting(configurationKey, out signingToken) || string.IsNullOrWhiteSpace(signingToken))
{
if (!ConfigurationManager.TryGetSetting(SigningTokenConfigurationKey, out signingToken) || string.IsNullOrWhiteSpace(signingToken))
{
signingToken = Guid.Empty.ToString("N");
}
}
if (!string.IsNullOrWhiteSpace(signingToken))
{
using (var hashStream = new MemoryStream(Encoding.UTF8.GetBytes(string.Concat("{0}{1}", signingToken, messageBody))))
brokeredMessage.Properties.Add("Signature", Convert.ToBase64String(Signer.ComputeHash(hashStream)));
}
try
{
var stackTrace = new StackTrace();
StackFrame[] stackFrames = stackTrace.GetFrames();
if (stackFrames != null)
{
foreach (StackFrame frame in stackFrames)
{
MethodBase method = frame.GetMethod();
if (method.ReflectedType == null)
{
continue;
}
try
{
if (ExclusionNamespaces.All(@namespace => !method.ReflectedType.FullName.StartsWith(@namespace)))
{
brokeredMessage.Properties.Add("Source-Method", string.Format("{0}.{1}", method.ReflectedType.FullName, method.Name));
break;
}
}
catch
{
// Just move on
}
}
}
}
catch
{
// Just move on
}
return(brokeredMessage);
}
protected virtual void DequeuAndProcessCommand(string queueName)
{
long loop = long.MinValue;
while (true)
{
try
{
ConcurrentQueue <ICommand <TAuthenticationToken> > queue;
if (QueueTracker.TryGetValue(queueName, out queue))
{
while (!queue.IsEmpty)
{
ICommand <TAuthenticationToken> command;
if (queue.TryDequeue(out command))
{
try
{
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
}
catch (Exception exception)
{
Logger.LogError(string.Format("Trying to set the CorrelationId from the command type {1} for a request for the queue '{0}' failed.", queueName, command.GetType()), exception: exception);
}
try
{
AuthenticationTokenHelper.SetAuthenticationToken(command.AuthenticationToken);
}
catch (Exception exception)
{
Logger.LogError(string.Format("Trying to set the AuthenticationToken from the command type {1} for a request for the queue '{0}' failed.", queueName, command.GetType()), exception: exception);
}
try
{
ReceiveCommand(command);
}
catch (Exception exception)
{
Logger.LogError(string.Format("Processing the command type {1} for a request for the queue '{0}' failed.", queueName, command.GetType()), exception: exception);
queue.Enqueue(command);
}
}
else
{
Logger.LogDebug(string.Format("Trying to dequeue a command from the queue '{0}' failed.", queueName));
}
}
}
else
{
Logger.LogDebug(string.Format("Trying to find the queue '{0}' failed.", queueName));
}
if (loop++ % 5 == 0)
{
Thread.Yield();
}
else
{
Thread.Sleep(100);
}
if (loop == long.MaxValue)
{
loop = long.MinValue;
}
}
catch (Exception exception)
{
Logger.LogError(string.Format("Dequeuing and processing a request for the queue '{0}' failed.", queueName), exception: exception);
}
}
}
/// <summary>
/// Send out an event to specific user RSNs
/// </summary>
void INotificationHub.SendUsersEvent <TSingleSignOnToken>(IEvent <TSingleSignOnToken> eventData, params Guid[] userRsnCollection)
{
IList <Guid> optimisedUserRsnCollection = (userRsnCollection ?? Enumerable.Empty <Guid>()).ToList();
Logger.LogDebug(string.Format("Sending a message on the hub for user RSNs [{0}].", string.Join(", ", optimisedUserRsnCollection)));
try
{
var tokenSource = new CancellationTokenSource();
Task.Factory.StartNewSafely
(
() =>
{
foreach (Guid userRsn in optimisedUserRsnCollection)
{
var metaData = GetAdditionalDataForLogging(userRsn);
try
{
Clients
.Group(string.Format("UserRsn-{0}", userRsn))
.notifyEvent(new { Type = eventData.GetType().FullName, Data = eventData, CorrelationId = CorrelationIdHelper.GetCorrelationId() });
}
catch (TimeoutException exception)
{
Logger.LogWarning("Sending a message on the hub timed-out.", exception: exception, metaData: metaData);
}
catch (Exception exception)
{
Logger.LogError("Sending a message on the hub resulted in an error.", exception: exception, metaData: metaData);
}
}
}, tokenSource.Token
);
tokenSource.CancelAfter(15 * 1000);
}
catch (Exception exception)
{
foreach (Guid userRsn in optimisedUserRsnCollection)
{
Logger.LogError("Queueing a message on the hub resulted in an error.", exception: exception, metaData: GetAdditionalDataForLogging(userRsn));
}
}
}
public virtual IEvent <TAuthenticationToken> ReceiveEvent(string messageBody, Func <IEvent <TAuthenticationToken>, bool?> receiveEventHandler, string messageId, Action skippedAction = null, Action lockRefreshAction = null)
{
IEvent <TAuthenticationToken> @event;
try
{
@event = MessageSerialiser.DeserialiseEvent(messageBody);
}
catch (JsonSerializationException exception)
{
JsonSerializationException checkException = exception;
bool safeToExit = false;
do
{
if (checkException.Message.StartsWith("Could not load assembly"))
{
safeToExit = true;
break;
}
} while ((checkException = checkException.InnerException as JsonSerializationException) != null);
if (safeToExit)
{
const string pattern = @"(?<=^Error resolving type specified in JSON ').+?(?='\. Path '\$type')";
Match match = new Regex(pattern).Match(exception.Message);
if (match.Success)
{
string[] typeParts = match.Value.Split(',');
if (typeParts.Length == 2)
{
string classType = typeParts[0];
bool isRequired = BusHelper.IsEventRequired(string.Format("{0}.IsRequired", classType));
if (!isRequired)
{
if (skippedAction != null)
{
skippedAction();
}
return(null);
}
}
}
}
throw;
}
string eventTypeName = @event.GetType().FullName;
CorrelationIdHelper.SetCorrelationId(@event.CorrelationId);
AuthenticationTokenHelper.SetAuthenticationToken(@event.AuthenticationToken);
Logger.LogInfo(string.Format("An event message arrived with the {0} was of type {1}.", messageId, eventTypeName));
bool canRefresh;
if (!ConfigurationManager.TryGetSetting(string.Format("{0}.ShouldRefresh", eventTypeName), out canRefresh))
{
canRefresh = false;
}
if (canRefresh)
{
if (lockRefreshAction == null)
{
Logger.LogWarning(string.Format("An event message arrived with the {0} was of type {1} and was destined to support lock renewal, but no action was provided.", messageId, eventTypeName));
}
else
{
lockRefreshAction();
}
}
// a false response means the action wasn't handled, but didn't throw an error, so we assume, by convention, that this means it was skipped.
bool?result = receiveEventHandler(@event);
if (result != null && !result.Value)
{
if (skippedAction != null)
{
skippedAction();
}
}
return(@event);
}
/// <summary>
/// Send out an event to specific user token
/// </summary>
void INotificationHub.SendUserEvent <TSingleSignOnToken>(IEvent <TSingleSignOnToken> eventData, string userToken)
{
Logger.LogDebug(string.Format("Sending a message on the hub for user [{0}].", userToken));
try
{
var tokenSource = new CancellationTokenSource();
Task.Factory.StartNewSafely
(
() =>
{
IDictionary <string, object> metaData = GetAdditionalDataForLogging(userToken);
try
{
CurrentHub
.Clients
.Group(string.Format("User-{0}", userToken))
.notifyEvent(new { Type = eventData.GetType().FullName, Data = eventData, CorrelationId = CorrelationIdHelper.GetCorrelationId() });
}
catch (TimeoutException exception)
{
Logger.LogWarning("Sending a message on the hub timed-out.", exception: exception, metaData: metaData);
}
catch (Exception exception)
{
Logger.LogError("Sending a message on the hub resulted in an error.", exception: exception, metaData: metaData);
}
}, tokenSource.Token
);
tokenSource.CancelAfter(15 * 1000);
}
catch (Exception exception)
{
Logger.LogError("Queueing a message on the hub resulted in an error.", exception: exception, metaData: GetAdditionalDataForLogging(userToken));
}
}
protected void DequeuAndProcessEvent(string queueName)
{
SpinWait.SpinUntil
(
() =>
{
try
{
ConcurrentQueue <IEvent <TAuthenticationToken> > queue;
if (QueueTracker.TryGetValue(queueName, out queue))
{
while (!queue.IsEmpty)
{
IEvent <TAuthenticationToken> @event;
if (queue.TryDequeue(out @event))
{
try
{
CorrelationIdHelper.SetCorrelationId(@event.CorrelationId);
}
catch (Exception exception)
{
Logger.LogError(string.Format("Trying to set the CorrelationId from the event type {1} for a request for the queue '{0}' failed.", queueName, @event.GetType()), exception: exception);
}
try
{
AuthenticationTokenHelper.SetAuthenticationToken(@event.AuthenticationToken);
}
catch (Exception exception)
{
Logger.LogError(string.Format("Trying to set the AuthenticationToken from the event type {1} for a request for the queue '{0}' failed.", queueName, @event.GetType()), exception: exception);
}
try
{
ReceiveEvent(@event);
}
catch (Exception exception)
{
Logger.LogError(string.Format("Processing the event type {1} for a request for the queue '{0}' failed.", queueName, @event.GetType()), exception: exception);
queue.Enqueue(@event);
}
}
else
{
Logger.LogDebug(string.Format("Trying to dequeue a event from the queue '{0}' failed.", queueName));
}
}
}
else
{
Logger.LogDebug(string.Format("Trying to find the queue '{0}' failed.", queueName));
}
Thread.Sleep(100);
}
catch (Exception exception)
{
Logger.LogError(string.Format("Dequeuing and processing a request for the queue '{0}' failed.", queueName), exception: exception);
}
// Always return false to keep this spinning.
return(false);
},
sleepInMilliseconds: 1000
);
}
/// <summary>
/// Send out an event to all users
/// </summary>
void INotificationHub.SendAllUsersEvent <TSingleSignOnToken>(IEvent <TSingleSignOnToken> eventData)
{
Logger.LogDebug("Sending a message on the hub to all users.");
try
{
var tokenSource = new CancellationTokenSource();
Task.Factory.StartNewSafely
(
() =>
{
try
{
CurrentHub
.Clients
.All
.notifyEvent(new { Type = eventData.GetType().FullName, Data = eventData, CorrelationId = CorrelationIdHelper.GetCorrelationId() });
}
catch (TimeoutException exception)
{
Logger.LogWarning("Sending a message on the hub to all users timed-out.", exception: exception);
}
catch (Exception exception)
{
Logger.LogError("Sending a message on the hub to all users resulted in an error.", exception: exception);
}
}, tokenSource.Token
);
tokenSource.CancelAfter(15 * 1000);
}
catch (Exception exception)
{
Logger.LogError("Queueing a message on the hub to all users resulted in an error.", exception: exception);
}
}
/// <summary>
/// Publishes the provided <paramref name="commands"/> on the command bus.
/// </summary>
public virtual void Publish <TCommand>(IEnumerable <TCommand> commands)
where TCommand : ICommand <TAuthenticationToken>
{
IList <TCommand> sourceCommands = commands.ToList();
DateTimeOffset startedAt = DateTimeOffset.UtcNow;
Stopwatch mainStopWatch = Stopwatch.StartNew();
string responseCode = "200";
bool wasSuccessfull = false;
IDictionary <string, string> telemetryProperties = new Dictionary <string, string> {
{ "Type", "Azure/Servicebus" }
};
string telemetryName = "Commands";
string telemetryNames = string.Empty;
foreach (TCommand command in sourceCommands)
{
string subTelemetryName = string.Format("{0}/{1}", command.GetType().FullName, command.Id);
var telemeteredCommand = command as ITelemeteredMessage;
if (telemeteredCommand != null)
{
subTelemetryName = telemeteredCommand.TelemetryName;
}
telemetryNames = string.Format("{0}{1},", telemetryNames, subTelemetryName);
}
if (telemetryNames.Length > 0)
{
telemetryNames = telemetryNames.Substring(0, telemetryNames.Length - 1);
}
telemetryProperties.Add("Commands", telemetryNames);
try
{
IList <string> sourceCommandMessages = new List <string>();
IList <BrokeredMessage> brokeredMessages = new List <BrokeredMessage>(sourceCommands.Count);
foreach (TCommand command in sourceCommands)
{
if (!AzureBusHelper.PrepareAndValidateCommand(command, "Azure-ServiceBus"))
{
continue;
}
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseCommand(command))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", command.GetType().FullName);
brokeredMessages.Add(brokeredMessage);
sourceCommandMessages.Add(string.Format("A command was sent of type {0}.", command.GetType().FullName));
}
try
{
PrivateServiceBusPublisher.SendBatch(brokeredMessages);
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the command being sent was too large.", exception: exception, metaData: new Dictionary <string, object> {
{ "Commands", sourceCommands }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish a command.", exception: exception, metaData: new Dictionary <string, object> {
{ "Commands", sourceCommands }
});
throw;
}
foreach (string message in sourceCommandMessages)
{
Logger.LogInfo(message);
}
wasSuccessfull = true;
}
finally
{
mainStopWatch.Stop();
TelemetryHelper.TrackDependency("Azure/Servicebus/CommandBus", "Command", telemetryName, null, startedAt, mainStopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
}
/// <summary>
/// Save and persist the provided <paramref name="aggregate"/>, optionally providing the version number the <see cref="IAggregateRoot{TAuthenticationToken}"/> is expected to be at.
/// </summary>
/// <typeparam name="TAggregateRoot">The <see cref="Type"/> of the <see cref="IAggregateRoot{TAuthenticationToken}"/>.</typeparam>
/// <param name="aggregate">The <see cref="IAggregateRoot{TAuthenticationToken}"/> to save and persist.</param>
/// <param name="expectedVersion">The version number the <see cref="IAggregateRoot{TAuthenticationToken}"/> is expected to be at.</param>
public virtual void Save <TAggregateRoot>(TAggregateRoot aggregate, int?expectedVersion = null)
where TAggregateRoot : IAggregateRoot <TAuthenticationToken>
{
IList <IEvent <TAuthenticationToken> > uncommittedChanges = aggregate.GetUncommittedChanges().ToList();
if (!uncommittedChanges.Any())
{
return;
}
if (expectedVersion != null)
{
IEnumerable <IEvent <TAuthenticationToken> > eventStoreResults = EventStore.Get(aggregate.GetType(), aggregate.Id, false, expectedVersion.Value);
if (eventStoreResults.Any())
{
throw new ConcurrencyException(aggregate.Id);
}
}
var eventsToPublish = new List <IEvent <TAuthenticationToken> >();
int i = 0;
int version = aggregate.Version;
foreach (IEvent <TAuthenticationToken> @event in uncommittedChanges)
{
var eventWithIdentity = @event as IEventWithIdentity <TAuthenticationToken>;
if (eventWithIdentity != null)
{
if (eventWithIdentity.Rsn == Guid.Empty)
{
eventWithIdentity.Rsn = aggregate.Id;
}
if (eventWithIdentity.Rsn == Guid.Empty)
{
throw new AggregateOrEventMissingIdException(aggregate.GetType(), @event.GetType());
}
}
else
{
if (@event.Id == Guid.Empty)
{
@event.Id = aggregate.Id;
}
if (@event.Id == Guid.Empty)
{
throw new AggregateOrEventMissingIdException(aggregate.GetType(), @event.GetType());
}
}
i++;
version++;
@event.Version = version;
@event.TimeStamp = DateTimeOffset.UtcNow;
@event.CorrelationId = CorrelationIdHelper.GetCorrelationId();
EventStore.Save(aggregate.GetType(), @event);
eventsToPublish.Add(@event);
}
aggregate.MarkChangesAsCommitted();
foreach (IEvent <TAuthenticationToken> @event in eventsToPublish)
{
PublishEvent(@event);
}
}
/// <summary>
/// Publishes the provided <paramref name="command"/> on the command bus.
/// </summary>
public virtual void Publish <TCommand>(TCommand command)
where TCommand : ICommand <TAuthenticationToken>
{
DateTimeOffset startedAt = DateTimeOffset.UtcNow;
Stopwatch mainStopWatch = Stopwatch.StartNew();
string responseCode = "200";
bool mainWasSuccessfull = false;
bool telemeterOverall = false;
IDictionary <string, string> telemetryProperties = new Dictionary <string, string> {
{ "Type", "Azure/Servicebus" }
};
string telemetryName = string.Format("{0}/{1}/{2}", command.GetType().FullName, command.GetIdentity(), command.Id);
var telemeteredCommand = command as ITelemeteredMessage;
if (telemeteredCommand != null)
{
telemetryName = telemeteredCommand.TelemetryName;
}
else
{
telemetryName = string.Format("Command/{0}", telemetryName);
}
try
{
if (!AzureBusHelper.PrepareAndValidateCommand(command, "Azure-ServiceBus"))
{
return;
}
Type commandType = typeof(TCommand);
bool?isPublicBusRequired = BusHelper.IsPublicBusRequired(commandType);
bool?isPrivateBusRequired = BusHelper.IsPrivateBusRequired(commandType);
// We only add telemetry for overall operations if two occured
telemeterOverall = isPublicBusRequired != null && isPublicBusRequired.Value && isPrivateBusRequired != null && isPrivateBusRequired.Value;
// Backwards compatibility and simplicity
bool wasSuccessfull;
Stopwatch stopWatch = Stopwatch.StartNew();
if ((isPublicBusRequired == null || !isPublicBusRequired.Value) && (isPrivateBusRequired == null || !isPrivateBusRequired.Value))
{
stopWatch.Restart();
responseCode = "200";
wasSuccessfull = false;
try
{
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseCommand(command))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", commandType.GetType().FullName);
PublicServiceBusPublisher.Send(brokeredMessage);
wasSuccessfull = true;
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the command being sent was too large or the topic has reached it's limit.", exception: exception, metaData: new Dictionary <string, object> {
{ "Command", command }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish a command.", exception: exception, metaData: new Dictionary <string, object> {
{ "Command", command }
});
throw;
}
finally
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Command", telemetryName, "Default Bus", startedAt, stopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
Logger.LogDebug(string.Format("An command was published on the public bus with the id '{0}' was of type {1}.", command.Id, command.GetType().FullName));
}
if ((isPublicBusRequired != null && isPublicBusRequired.Value))
{
stopWatch.Restart();
responseCode = "200";
wasSuccessfull = false;
try
{
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseCommand(command))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", commandType.GetType().FullName);
PublicServiceBusPublisher.Send(brokeredMessage);
wasSuccessfull = true;
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the command being sent was too large or the topic has reached it's limit.", exception: exception, metaData: new Dictionary <string, object> {
{ "Command", command }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish a command.", exception: exception, metaData: new Dictionary <string, object> {
{ "Command", command }
});
throw;
}
finally
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Command", telemetryName, "Public Bus", startedAt, stopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
Logger.LogDebug(string.Format("An command was published on the public bus with the id '{0}' was of type {1}.", command.Id, command.GetType().FullName));
}
if (isPrivateBusRequired != null && isPrivateBusRequired.Value)
{
stopWatch.Restart();
responseCode = "200";
wasSuccessfull = false;
try
{
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseCommand(command))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", command.GetType().FullName);
PrivateServiceBusPublisher.Send(brokeredMessage);
wasSuccessfull = true;
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the command being sent was too large or the topic has reached it's limit.", exception: exception, metaData: new Dictionary <string, object> {
{ "Command", command }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish an command.", exception: exception, metaData: new Dictionary <string, object> {
{ "Command", command }
});
throw;
}
finally
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Command", telemetryName, "Private Bus", startedAt, stopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
Logger.LogDebug(string.Format("An command was published on the private bus with the id '{0}' was of type {1}.", command.Id, command.GetType().FullName));
}
mainWasSuccessfull = true;
}
finally
{
mainStopWatch.Stop();
if (telemeterOverall)
{
TelemetryHelper.TrackDependency("Azure/Servicebus/CommandBus", "Command", telemetryName, null, startedAt, mainStopWatch.Elapsed, responseCode, mainWasSuccessfull, telemetryProperties);
}
}
}
/// <summary>
/// Publishes the provided <paramref name="event"/> on the event bus.
/// </summary>
public virtual void Publish <TEvent>(TEvent @event)
where TEvent : IEvent <TAuthenticationToken>
{
if (@event == null)
{
Logger.LogDebug("No event to publish.");
return;
}
Type eventType = @event.GetType();
DateTimeOffset startedAt = DateTimeOffset.UtcNow;
Stopwatch mainStopWatch = Stopwatch.StartNew();
string responseCode = null;
bool mainWasSuccessfull = false;
bool telemeterOverall = false;
IDictionary <string, string> telemetryProperties = new Dictionary <string, string> {
{ "Type", "Azure/Servicebus" }
};
string telemetryName = string.Format("{0}/{1}/{2}", eventType.FullName, @event.GetIdentity(), @event.Id);
var telemeteredEvent = @event as ITelemeteredMessage;
if (telemeteredEvent != null)
{
telemetryName = telemeteredEvent.TelemetryName;
}
else
{
telemetryName = string.Format("Event/{0}", telemetryName);
}
try
{
if (!AzureBusHelper.PrepareAndValidateEvent(@event, "Azure-ServiceBus"))
{
return;
}
bool?isPublicBusRequired = BusHelper.IsPublicBusRequired(eventType);
bool?isPrivateBusRequired = BusHelper.IsPrivateBusRequired(eventType);
// We only add telemetry for overall operations if two occured
telemeterOverall = isPublicBusRequired != null && isPublicBusRequired.Value && isPrivateBusRequired != null && isPrivateBusRequired.Value;
// Backwards compatibility and simplicity
bool wasSuccessfull;
Stopwatch stopWatch = Stopwatch.StartNew();
if ((isPublicBusRequired == null || !isPublicBusRequired.Value) && (isPrivateBusRequired == null || !isPrivateBusRequired.Value))
{
stopWatch.Restart();
responseCode = "200";
wasSuccessfull = false;
try
{
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseEvent(@event))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", eventType.FullName);
brokeredMessage.Properties.Add("Source", string.Format("{0}/{1}/{2}/{3}", LoggerSettings.ModuleName, LoggerSettings.Instance, LoggerSettings.Environment, LoggerSettings.EnvironmentInstance));
int count = 1;
do
{
try
{
PublicServiceBusPublisher.Send(brokeredMessage);
break;
}
catch (TimeoutException)
{
if (count >= TimeoutOnSendRetryMaximumCount)
{
throw;
}
}
count++;
} while (true);
wasSuccessfull = true;
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the event being sent was too large or the topic has reached it's limit.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish an event.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
finally
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Event", telemetryName, "Default Bus", startedAt, stopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
Logger.LogDebug(string.Format("An event was published on the public bus with the id '{0}' was of type {1}.", @event.Id, eventType.FullName));
}
if ((isPublicBusRequired != null && isPublicBusRequired.Value))
{
stopWatch.Restart();
responseCode = "200";
wasSuccessfull = false;
try
{
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseEvent(@event))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", eventType.FullName);
brokeredMessage.Properties.Add("Source", string.Format("{0}/{1}/{2}/{3}", LoggerSettings.ModuleName, LoggerSettings.Instance, LoggerSettings.Environment, LoggerSettings.EnvironmentInstance));
int count = 1;
do
{
try
{
PublicServiceBusPublisher.Send(brokeredMessage);
break;
}
catch (TimeoutException)
{
if (count >= TimeoutOnSendRetryMaximumCount)
{
throw;
}
}
count++;
} while (true);
wasSuccessfull = true;
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the event being sent was too large.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish an event.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
finally
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Event", telemetryName, "Public Bus", startedAt, stopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
Logger.LogDebug(string.Format("An event was published on the public bus with the id '{0}' was of type {1}.", @event.Id, eventType.FullName));
}
if (isPrivateBusRequired != null && isPrivateBusRequired.Value)
{
stopWatch.Restart();
responseCode = "200";
wasSuccessfull = false;
try
{
var brokeredMessage = new BrokeredMessage(MessageSerialiser.SerialiseEvent(@event))
{
CorrelationId = CorrelationIdHelper.GetCorrelationId().ToString("N")
};
brokeredMessage.Properties.Add("Type", eventType.FullName);
brokeredMessage.Properties.Add("Source", string.Format("{0}/{1}/{2}/{3}", LoggerSettings.ModuleName, LoggerSettings.Instance, LoggerSettings.Environment, LoggerSettings.EnvironmentInstance));
int count = 1;
do
{
try
{
PrivateServiceBusPublisher.Send(brokeredMessage);
break;
}
catch (TimeoutException)
{
if (count >= TimeoutOnSendRetryMaximumCount)
{
throw;
}
}
count++;
} while (true);
wasSuccessfull = true;
}
catch (QuotaExceededException exception)
{
responseCode = "429";
Logger.LogError("The size of the event being sent was too large.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
catch (Exception exception)
{
responseCode = "500";
Logger.LogError("An issue occurred while trying to publish an event.", exception: exception, metaData: new Dictionary <string, object> {
{ "Event", @event }
});
throw;
}
finally
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Event", telemetryName, "Private Bus", startedAt, stopWatch.Elapsed, responseCode, wasSuccessfull, telemetryProperties);
}
Logger.LogDebug(string.Format("An event was published on the private bus with the id '{0}' was of type {1}.", @event.Id, eventType.FullName));
}
mainWasSuccessfull = true;
}
finally
{
mainStopWatch.Stop();
if (telemeterOverall)
{
TelemetryHelper.TrackDependency("Azure/Servicebus/EventBus", "Event", telemetryName, null, startedAt, mainStopWatch.Elapsed, responseCode, mainWasSuccessfull, telemetryProperties);
}
}
}