static List <int> SendMessages(int messageCount)
{
var transport = new MsmqTransport(QueueName, new ConsoleLoggerFactory(true));
MsmqUtil.EnsureQueueExists(MsmqUtil.GetPath(QueueName));
var sendIds = new List <int>();
Enumerable.Range(0, messageCount)
.Select(id => new SomeMessage {
Id = id
})
.ToList()
.ForEach(msg =>
{
using (var scope = new RebusTransactionScope())
{
transport.Send(QueueName, TransportMessageHelpers.FromString(JsonConvert.SerializeObject(msg)), scope.TransactionContext).Wait();
scope.Complete();
sendIds.Add(msg.Id);
}
});
return(sendIds);
}
public void SendOperationsEnlistInTheSameTransactionContext(bool commitTransaction)
{
var receivedMessages = new ConcurrentQueue <string>();
var bus = _activator.Bus.Advanced.SyncBus;
_activator.AddHandlerWithBusTemporarilyStopped <string>(async msg => receivedMessages.Enqueue(msg));
using (var context = new RebusTransactionScope())
{
bus.SendLocal("hej med dig min ven");
bus.SendLocal("her er endnu en besked");
if (commitTransaction)
{
context.Complete();
}
}
Thread.Sleep(500);
if (commitTransaction)
{
Assert.That(receivedMessages, Contains.Item("hej med dig min ven"));
Assert.That(receivedMessages, Contains.Item("her er endnu en besked"));
}
else
{
Assert.That(receivedMessages.Count, Is.EqualTo(0));
}
}
void Send(string destinationAddress, string message)
{
Console.WriteLine("Sending to {0}", destinationAddress);
using (var scope = new RebusTransactionScope())
{
_transport.Send(destinationAddress, NewMessage(message), scope.TransactionContext).Wait();
scope.Complete();
}
}
public void Commit(Enlistment enlistment)
{
try
{
_scope.Complete();
enlistment.Done();
}
catch
{
_scope.Dispose();
throw;
}
}
string Receive()
{
using (var scope = new RebusTransactionScope())
{
var transportMessage = _transport.Receive(scope.TransactionContext, _cancellationToken).Result;
scope.Complete();
if (transportMessage == null)
{
return(null);
}
return(Encoding.UTF8.GetString(transportMessage.Body));
}
}
public async Task TriggerEvent([FromBody] EventContract eventContract)
{
Logger.LogInformation($"Storing event with id {eventContract.Id.ToString()} in outbox for publishing.");
if (eventContract.Event.Length > EventContract.MaxEventLength)
{
eventContract.Event = eventContract.Event.Substring(0, EventContract.MaxEventLength);
}
using (var rebusTransactionScope = new RebusTransactionScope())
{
await Bus.Advanced.Topics.Publish(EventContract.Topic, eventContract);
rebusTransactionScope.Complete();
}
Logger.LogInformation($"Event with id {eventContract.Id.ToString()} successfully stored in outbox.");
}
static void RunTest(InMemNetwork network, string destinationAddress, bool complete)
{
using (var activator = new BuiltinHandlerActivator())
{
var bus = Configure.With(activator)
.Transport(t => t.UseInMemoryTransport(network, "test-queue"))
.Routing(t => t.TypeBased().Map <string>(destinationAddress))
.Start();
using (var scope = new RebusTransactionScope())
{
bus.Advanced.SyncBus.Send("HEJ MED DIG");
if (complete)
{
scope.Complete();
}
}
}
}
public async Task OnlyReceivesPublishedEventWhenRebusTransactionScopeIsCompleted()
{
// manually register the subscriber transport as a subscriber
await _subscriptionStorage.RegisterSubscriber(typeof(TestEvent).GetSimpleAssemblyQualifiedName(), "subscriber");
var bus = Configure.With(new BuiltinHandlerActivator())
.Subscriptions(config => config.StoreInMySql(MySqlTestHelper.ConnectionString, "Subscriptions"))
.Transport(configurer => configurer.UseMySql(new MySqlTransportOptions(MySqlTestHelper.ConnectionString), "Test"))
.Start();
// this event should be published and received successfully by the subscriber
using (var scope = new RebusTransactionScope())
{
bus.Advanced.SyncBus.Publish(new TestEvent("completed"));
scope.Complete();
}
// this event is published, but the scope is not completed - therefore, it should NOT be received
using (var scope = new RebusTransactionScope())
{
bus.Advanced.SyncBus.Publish(new TestEvent("not completed"));
// this scope is intentionally not completed!
//scope.Complete();
}
var messages = _subscriberTransport.GetMessages().ToList();
Assert.That(messages.Count, Is.EqualTo(1),
"Expected one single event to have been received, because only one of the scopes were completed");
var transportMessage = messages.First();
Assert.That(transportMessage.Headers.GetValue(Headers.Type), Is.EqualTo(typeof(TestEvent).GetSimpleAssemblyQualifiedName()),
"Expected the type header to say 'TestEvent' (by the type's simple assembly-qualified name)");
var json = Encoding.UTF8.GetString(transportMessage.Body);
var testEvent = JsonConvert.DeserializeObject <TestEvent>(json);
Assert.That(testEvent.Label, Is.EqualTo("completed"),
"Expected the received event to be the one with the label saying 'completed'");
}
public void DoesNotBlockOnCompletingTransactionContext()
{
var bus = _activator.Bus.Advanced.SyncBus;
var gotMessage = new ManualResetEvent(false);
_activator.AddHandlerWithBusTemporarilyStopped <string>(async str => gotMessage.Set());
using (var aspNet = new AspNetSimulatorSynchronizationContext())
{
aspNet.Post(s =>
{
using (var scope = new RebusTransactionScope())
{
try
{
// enlist some other async thing
scope.TransactionContext.OnCommitted(async _ =>
{
Console.WriteLine("waiting....");
await Task.Delay(100);
Console.WriteLine("waiting....");
await Task.Delay(100);
Console.WriteLine("waiting....");
await Task.Delay(100);
});
// enlist an operation in the context
bus.SendLocal("HEJ MED DIG MIN VEN");
scope.Complete();
}
finally
{
AmbientTransactionContext.SetCurrent(null);
}
}
}, null);
gotMessage.WaitOrDie(TimeSpan.FromSeconds(3));
}
}
public void OnlyReceivesPublishedEventWhenRebusTransactionScopeIsCompleted()
{
var network = new InMemNetwork();
var subscriberStore = new InMemorySubscriberStore();
network.CreateQueue("subscriber");
subscriberStore.AddSubscriber(typeof(TestEvent).GetSimpleAssemblyQualifiedName(), "subscriber");
var bus = Configure.With(new BuiltinHandlerActivator())
.Subscriptions(config => config.StoreInMemory(subscriberStore))
.Transport(configurer => configurer.UseInMemoryTransport(network, "Test"))
.Start();
using (var scope = new RebusTransactionScope())
{
bus.Advanced.SyncBus.Publish(new TestEvent("completed"));
scope.Complete();
}
using (new RebusTransactionScope())
{
bus.Advanced.SyncBus.Publish(new TestEvent("not completed"));
// this scope is intentionally not completed!
}
var messages = network.GetMessages("subscriber").ToList();
Assert.That(messages.Count, Is.EqualTo(1));
var transportMessage = messages.First();
Assert.That(transportMessage.Headers.GetValue(Headers.Type), Is.EqualTo(typeof(TestEvent).GetSimpleAssemblyQualifiedName()));
var json = Encoding.UTF8.GetString(transportMessage.Body);
var testEvent = JsonConvert.DeserializeObject <TestEvent>(json);
Assert.That(testEvent.Label, Is.EqualTo("completed"));
}
public static MqttClient Setup(this MqttClient mqttClient, IServiceProvider serviceProvider)
{
var logger = serviceProvider.GetRequiredService <ILogger <MqttClient> >();
var configuration = serviceProvider.GetRequiredService <IConfiguration>();
if (!mqttClient.Connect(configuration))
{
const string errorMsg = "MqttClient could not connect!";
logger.LogError(errorMsg);
throw new Exception(errorMsg);
}
mqttClient.ConnectionClosed += (sender, args) =>
{
logger.LogInformation("Connection closed");
while (!mqttClient.TryConnect(configuration, logger))
{
Thread.Sleep(TimeSpan.FromSeconds(5));
}
};
mqttClient.MqttMsgSubscribed += (sender, args) =>
{
logger.LogInformation("Subscribed");
};
mqttClient.MqttMsgPublished += (sender, args) =>
{
logger.LogInformation("Published");
};
mqttClient.MqttMsgPublishReceived += (sender, args) =>
{
logger.LogInformation("Publish Received");
};
mqttClient.MqttMsgPublishReceived += (sender, args) =>
{
var payload = Encoding.UTF8.GetString(args.Message);
logger.LogInformation("### RECEIVED APPLICATION MESSAGE ###");
logger.LogInformation($"+ Topic = {args.Topic}");
logger.LogInformation($"+ Payload = {payload}");
logger.LogInformation($"+ QoS = {args.QosLevel}");
logger.LogInformation($"+ Retain = {args.Retain}");
var eventContract = JsonConvert.DeserializeObject <EventContract>(payload);
using (var rebusTransactionScope = new RebusTransactionScope())
{
var bus = serviceProvider.GetRequiredService <IBus>();
bus.Advanced.Topics.Publish(EventContract.Topic, eventContract);
rebusTransactionScope.Complete();
}
};
if (MqttTopics.Length > 0)
{
mqttClient.Subscribe(MqttTopics, new[] { MqttMsgBase.QOS_LEVEL_AT_LEAST_ONCE });
}
return(mqttClient);
}
