public void Configure()
{
_rabbitMqEndpoint.Initialize();
var commandsExchangeName = RabbitMqExchangeNamesFactory.GetIntegrationCommandsExchangeName(_integrationName);
var eventsExchangeName = RabbitMqExchangeNamesFactory.GetIntegrationEventsExchangeName(_integrationName);
_rabbitMqEndpoint.DeclareExchange(commandsExchangeName);
_rabbitMqEndpoint.DeclareExchange(eventsExchangeName);
var subscriptions = new MessageSubscriptionsRegistry()
.Handle <ReadBlockCommand>(o =>
{
o.WithHandler <ReadBlockCommandsHandler>();
})
.AddFilter(new AppInsightTelemetryMessageFilter());
_rabbitMqEndpoint.Subscribe(
subscriptions,
commandsExchangeName,
$"bil-v2.bcn-{_integrationName}",
messageConsumersCount: _rabbitMqSettings.MessageConsumersCount,
messageProcessorsCount: _rabbitMqSettings.MessageProcessorsCount,
defaultFirstLevelRetryTimeout: _rabbitMqSettings.DefaultFirstLevelRetryTimeout,
maxFirstLevelRetryMessageAge: _rabbitMqSettings.MaxFirstLevelRetryMessageAge,
maxFirstLevelRetryCount: _rabbitMqSettings.MaxFirstLevelRetryCount,
firstLevelRetryQueueCapacity: _rabbitMqSettings.FirstLevelRetryQueueCapacity,
processingQueueCapacity: _rabbitMqSettings.ProcessingQueueCapacity,
replyExchangeName: eventsExchangeName);
_rabbitMqEndpoint.StartListening();
}
public void Test_that_message_handler_with_state_dependencies_disposed_after_message_processing()
{
// Arrange
using (var disposalEvent = new ManualResetEventSlim())
{
// ReSharper disable once AccessToDisposedClosure
_testHandlerWithStateImplMock
.Setup(x => x.Dispose())
.Callback(() => { disposalEvent.Set(); });
using (var endpoint = InitializeRabbitMqEndpoint(_serviceProvider))
{
const string userState = "123";
var subscriptionsRegistry = new MessageSubscriptionsRegistry()
.Handle <TestMessage, string>(o =>
{
o.WithHandler <TestMessageHandlerWithState>();
o.WithState(userState);
});
endpoint.Subscribe(subscriptionsRegistry, ExchangeName, RouteName);
endpoint.StartListening();
var publisher = endpoint.CreatePublisher(ExchangeName);
var messageId = Guid.NewGuid();
// Act
publisher.Publish(new TestMessage
{
Id = messageId
});
disposalEvent.Wait(Waiting.Timeout);
// Assert
Assert.True(disposalEvent.IsSet, "Disposable dependency should be disposed after message processing");
_testHandlerWithStateImplMock.Verify
(
x => x.HandleAsync
(
It.Is <string>(s => s == userState),
It.Is <TestMessage>(m => m.Id == messageId),
It.IsNotNull <MessageHeaders>(),
It.IsNotNull <IMessagePublisher>()
),
times: Times.Once
);
}
}
}
public void Initialize()
{
_endpoint.Initialize();
foreach (var integrationName in _integrationNames)
{
_log.Info($"Initializing RabbitMq endpoint for the blockchain integration {integrationName}...");
var kebabIntegrationName = integrationName.CamelToKebab();
var commandsExchangeName = RabbitMqExchangeNamesFactory.GetIntegrationCommandsExchangeName(kebabIntegrationName);
var eventsExchangeName = RabbitMqExchangeNamesFactory.GetIntegrationEventsExchangeName(kebabIntegrationName);
_endpoint.DeclareExchange(commandsExchangeName);
_endpoint.DeclareExchange(eventsExchangeName);
var subscriptions = new MessageSubscriptionsRegistry()
.Handle <BlockHeaderReadEvent, string>(o =>
{
o.WithHandler <IBlockEventsHandler>();
o.WithState(integrationName);
})
.Handle <BlockNotFoundEvent, string>(o =>
{
o.WithHandler <IBlockEventsHandler>();
o.WithState(integrationName);
})
.Handle <TransferAmountTransactionsBatchEvent, string>(o =>
{
o.WithHandler <IBlockEventsHandler>();
o.WithState(integrationName);
})
.Handle <TransferCoinsTransactionsBatchEvent, string>(o =>
{
o.WithHandler <IBlockEventsHandler>();
o.WithState(integrationName);
})
.Handle <LastIrreversibleBlockUpdatedEvent, string>(o =>
{
o.WithHandler <IBlockEventsHandler>();
o.WithState(integrationName);
});
foreach (var filter in _messageFilters)
{
subscriptions.AddFilter(filter);
}
_endpoint.Subscribe
(
subscriptions,
eventsExchangeName,
$"bil-v2.{_clientName}",
_defaultFirstLevelRetryTimeout,
_maxFirstLevelRetryMessageAge,
_maxFirstLevelRetryCount,
_firstLevelRetryQueueCapacity,
_processingQueueCapacity,
_messageConsumersCount,
_messageProcessorsCount
);
}
}