public static void DeclareExchangeForConnection(this IModel channel, RmqMessagingGatewayConnection connection)
{
if (connection.Exchange.SupportDelay)
channel.ExchangeDeclare(connection.Exchange.Name, "x-delayed-message", connection.Exchange.Durable, autoDelete: false, arguments: new Dictionary<string, object> { { "x-delayed-type", connection.Exchange.Type } });
else
channel.ExchangeDeclare(connection.Exchange.Name, connection.Exchange.Type, connection.Exchange.Durable);
}
public TestRMQListener(RmqMessagingGatewayConnection connection, string channelName)
{
_channelName = channelName;
_connectionFactory = new ConnectionFactory {Uri = connection.AmpqUri.Uri.ToString()};
_connection = _connectionFactory.CreateConnection();
_channel = _connection.CreateModel();
_channel.DeclareExchangeForConnection(connection);
_channel.QueueDeclare(_channelName, false, false, false, null);
_channel.QueueBind(_channelName, connection.Exchange.Name, _channelName);
}
/// <summary>
/// Initializes a new instance of the <see cref="MessageGateway"/> class.
/// Use if you need to inject a test logger
/// <param name="connection">The amqp uri and exchange to connect to</param>
/// </summary>
protected MessageGateway(RmqMessagingGatewayConnection connection)
{
Connection = connection;
var connectionPolicyFactory = new ConnectionPolicyFactory(Connection);
_retryPolicy = connectionPolicyFactory.RetryPolicy;
_circuitBreakerPolicy = connectionPolicyFactory.CircuitBreakerPolicy;
_connectionFactory = new ConnectionFactory { Uri = Connection.AmpqUri.Uri.ToString(), RequestedHeartbeat = 30 };
DelaySupported = this is IAmAMessageGatewaySupportingDelay && Connection.Exchange.SupportDelay;
}
/// <summary>
/// Initializes a new instance of the <see cref="MessageGateway" /> class.
/// </summary>
/// <param name="connection"></param>
/// <param name="queueName">The queue name.</param>
/// <param name="routingKey">The routing key.</param>
/// <param name="isDurable">Is the queue persisted to disk</param>
/// <param name="preFetchSize">0="Don't send me a new message until I?ve finished", 1= "Send me one message at a time", n = number to grab (take care with competing consumers)</param>
/// <param name="highAvailability"></param>
public RmqMessageConsumer(
RmqMessagingGatewayConnection connection,
string queueName,
string routingKey,
bool isDurable,
ushort preFetchSize = 1,
bool highAvailability = false)
: base(connection)
{
_queueName = queueName;
_routingKey = routingKey;
_isDurable = isDurable;
_preFetchSize = preFetchSize;
IsQueueMirroredAcrossAllNodesInTheCluster = highAvailability;
_messageCreator = new RmqMessageCreator();
}
/// <summary>
/// Initializes a new instance of the <see cref="ConnectionPolicyFactory"/> class.
/// Use if you need to inject a test logger
/// </summary>
/// <param name="connection"></param>
public ConnectionPolicyFactory(RmqMessagingGatewayConnection connection)
{
int retries = connection.AmpqUri.ConnectionRetryCount;
int retryWaitInMilliseconds = connection.AmpqUri.RetryWaitInMilliseconds;
int circuitBreakerTimeout = connection.AmpqUri.CircuitBreakTimeInMilliseconds;
RetryPolicy = Policy.Handle<BrokerUnreachableException>()
.Or<Exception>()
.WaitAndRetry(
retries,
retryAttempt => TimeSpan.FromMilliseconds(retryWaitInMilliseconds * Math.Pow(2, retryAttempt)),
(exception, timeSpan, context) =>
{
if (exception is BrokerUnreachableException)
{
_logger.Value.WarnException(
"RMQMessagingGateway: BrokerUnreachableException error on connecting to queue {0} exchange {1} on connection {2}. Will retry {3} times",
exception,
context["queueName"],
connection.Exchange.Name,
connection.AmpqUri.GetSanitizedUri(),
retries);
}
else
{
_logger.Value.WarnException(
"RMQMessagingGateway: Exception on connection to queue {0} via exchange {1} on connection {2}",
exception,
context["queueName"],
connection.Exchange.Name,
connection.AmpqUri.GetSanitizedUri());
throw exception;
}
});
CircuitBreakerPolicy = Policy.Handle<BrokerUnreachableException>().CircuitBreaker(1, TimeSpan.FromMilliseconds(circuitBreakerTimeout));
}
public ManagementAndMonitoringService()
{
log4net.Config.XmlConfigurator.Configure();
var container = new TinyIoCContainer();
var handlerFactory = new TinyIocHandlerFactory(container);
var messageMapperFactory = new TinyIoCMessageMapperFactory(container);
container.Register<IHandleRequests<GreetingCommand>, GreetingCommandHandler>();
var subscriberRegistry = new SubscriberRegistry();
subscriberRegistry.Register<GreetingCommand, GreetingCommandHandler>();
//create policies
var retryPolicy = Policy
.Handle<Exception>()
.WaitAndRetry(new[]
{
TimeSpan.FromMilliseconds(50),
TimeSpan.FromMilliseconds(100),
TimeSpan.FromMilliseconds(150)
});
var circuitBreakerPolicy = Policy
.Handle<Exception>()
.CircuitBreaker(1, TimeSpan.FromMilliseconds(500));
var policyRegistry = new PolicyRegistry()
{
{CommandProcessor.RETRYPOLICY, retryPolicy},
{CommandProcessor.CIRCUITBREAKER, circuitBreakerPolicy}
};
//create message mappers
var messageMapperRegistry = new MessageMapperRegistry(messageMapperFactory)
{
{typeof(GreetingCommand), typeof(GreetingCommandMessageMapper)}
};
var rmqGatewayMessages = new RmqMessagingGatewayConnection
{
AmpqUri = new AmqpUriSpecification(new Uri("amqp://*****:*****@localhost:5672/%2f")),
Exchange = new Exchange("paramore.brighter.exchange"),
};
var rmqGatewayMonitoring = new RmqMessagingGatewayConnection
{
AmpqUri = new AmqpUriSpecification(new Uri("amqp://*****:*****@localhost:5672/%2f")),
Exchange = new Exchange("paramore.brighter.exchange"),
};
//create the gateway
var rmqMessageConsumerFactory = new RmqMessageConsumerFactory(rmqGatewayMessages);
var rmqMessageProducerFactory = new RmqMessageProducerFactory(rmqGatewayMessages);
var connections = new List<Connection>
{
};
var builder = DispatchBuilder
.With()
.CommandProcessor(CommandProcessorBuilder.With()
.Handlers(new HandlerConfiguration(subscriberRegistry, handlerFactory))
.Policies(policyRegistry)
.NoTaskQueues()
.RequestContextFactory(new InMemoryRequestContextFactory())
.Build()
)
.MessageMappers(messageMapperRegistry)
.ChannelFactory(new InputChannelFactory(rmqMessageConsumerFactory, rmqMessageProducerFactory))
.Connections(connections);
_dispatcher = builder.Build();
var controlBusBuilder = ControlBusReceiverBuilder
.With()
.Dispatcher(_dispatcher)
.ProducerFactory(rmqMessageProducerFactory)
.ChannelFactory(new InputChannelFactory(rmqMessageConsumerFactory, rmqMessageProducerFactory)) as ControlBusReceiverBuilder;
_controlDispatcher = controlBusBuilder.Build(Environment.MachineName + "." + "ManagementAndMonitoring");
container.Register<IAmAControlBusSender>(new ControlBusSenderFactory().Create(
new SqliteMessageStore(
new SqliteMessageStoreConfiguration(
"DataSource=\"" + Path.Combine(Path.GetDirectoryName(typeof(GreetingCommand).GetTypeInfo().Assembly.CodeBase.Substring(8)), "App_Data\\MessageStore.sdf") + "\"", "Messages")
),
new RmqMessageProducer(rmqGatewayMonitoring)));
}
public NotSupportedRmqMessageConsumer(RmqMessagingGatewayConnection connection, string queueName, string routingKey, bool isDurable, ushort preFetchSize, bool isHighAvailability) : base(connection, queueName, routingKey, isDurable, preFetchSize, isHighAvailability) { }
/// <summary>
/// Initializes a new instance of the <see cref="RmqMessageConsumerFactory"/> class.
/// </summary>
public RmqMessageConsumerFactory(RmqMessagingGatewayConnection connection)
{
_connection = connection;
}
public GreetingService()
{
log4net.Config.XmlConfigurator.Configure(new FileInfo("log4net.config"));
var container = new TinyIoCContainer();
var handlerFactory = new TinyIocHandlerFactory(container);
var messageMapperFactory = new TinyIoCMessageMapperFactory(container);
container.Register<IHandleRequests<GreetingEvent>, GreetingEventHandler>();
var subscriberRegistry = new SubscriberRegistry();
subscriberRegistry.Register<GreetingEvent, GreetingEventHandler>();
//create policies
var retryPolicy = Policy
.Handle<Exception>()
.WaitAndRetry(new[]
{
TimeSpan.FromMilliseconds(50),
TimeSpan.FromMilliseconds(100),
TimeSpan.FromMilliseconds(150)
});
var circuitBreakerPolicy = Policy
.Handle<Exception>()
.CircuitBreaker(1, TimeSpan.FromMilliseconds(500));
var policyRegistry = new PolicyRegistry()
{
{CommandProcessor.RETRYPOLICY, retryPolicy},
{CommandProcessor.CIRCUITBREAKER, circuitBreakerPolicy}
};
//create message mappers
var messageMapperRegistry = new MessageMapperRegistry(messageMapperFactory)
{
{typeof(GreetingEvent), typeof(GreetingEventMessageMapper)}
};
//create the gateway
var rmqConnnection = new RmqMessagingGatewayConnection
{
AmpqUri = new AmqpUriSpecification(new Uri("amqp://*****:*****@localhost:5672/%2f")),
Exchange = new Exchange("paramore.brighter.exchange"),
};
var rmqMessageConsumerFactory = new RmqMessageConsumerFactory(rmqConnnection);
var rmqMessageProducerFactory = new RmqMessageProducerFactory(rmqConnnection);
// < add connectionName = "paramore.example.greeting" channelName = "greeting." routingKey = "greeting.command" dataType = "Greetings.Ports.Commands.GreetingEvent" timeOutInMilliseconds = "200" />
// Service Activator connections
var connections = new List<paramore.brighter.serviceactivator.Connection>
{
new paramore.brighter.serviceactivator.Connection(
new ConnectionName("paramore.example.greeting"),
new InputChannelFactory(rmqMessageConsumerFactory, rmqMessageProducerFactory),
typeof(GreetingEvent),
new ChannelName("greeting.event"),
"greeting.event",
timeoutInMilliseconds: 200)
};
var builder = DispatchBuilder
.With()
.CommandProcessor(CommandProcessorBuilder.With()
.Handlers(new HandlerConfiguration(subscriberRegistry, handlerFactory))
.Policies(policyRegistry)
.NoTaskQueues()
.RequestContextFactory(new InMemoryRequestContextFactory())
.Build()
)
.MessageMappers(messageMapperRegistry)
.ChannelFactory(new InputChannelFactory(rmqMessageConsumerFactory, rmqMessageProducerFactory))
.Connections(connections);
_dispatcher = builder.Build();
}
/// <summary>
/// Initializes a new instance of the <see cref="MessageGateway" /> class.
/// </summary>
/// <param name="connection">The connection information needed to talk to RMQ</param>
public RmqMessageProducer(RmqMessagingGatewayConnection connection) : base(connection)
{
}
public static void Main(string[] args)
{
Log.Logger = new LoggerConfiguration()
.WriteTo.Console()
.CreateLogger();
var container = new TinyIoCContainer();
var handlerFactory = new TinyIocHandlerFactory(container);
var messageMapperFactory = new TinyIoCMessageMapperFactory(container);
container.Register<IHandleRequests<GreetingEvent>, GreetingEventHandler>();
var subscriberRegistry = new SubscriberRegistry();
subscriberRegistry.Register<GreetingEvent, GreetingEventHandler>();
//create policies
var retryPolicy = Policy
.Handle<Exception>()
.WaitAndRetry(new[]
{
TimeSpan.FromMilliseconds(50),
TimeSpan.FromMilliseconds(100),
TimeSpan.FromMilliseconds(150)
});
var circuitBreakerPolicy = Policy
.Handle<Exception>()
.CircuitBreaker(1, TimeSpan.FromMilliseconds(500));
var policyRegistry = new PolicyRegistry()
{
{CommandProcessor.RETRYPOLICY, retryPolicy},
{CommandProcessor.CIRCUITBREAKER, circuitBreakerPolicy}
};
//create message mappers
var messageMapperRegistry = new MessageMapperRegistry(messageMapperFactory)
{
{typeof(GreetingEvent), typeof(GreetingEventMessageMapper)}
};
//create the gateway
var rmqConnnection = new RmqMessagingGatewayConnection
{
AmpqUri = new AmqpUriSpecification(new Uri("amqp://*****:*****@localhost:5672/%2f")),
Exchange = new Exchange("paramore.brighter.exchange"),
};
var rmqMessageConsumerFactory = new RmqMessageConsumerFactory(rmqConnnection );
var rmqMessageProducerFactory = new RmqMessageProducerFactory(rmqConnnection );
// Service Activator connections
var connections = new List<paramore.brighter.serviceactivator.Connection>
{
new paramore.brighter.serviceactivator.Connection(
new ConnectionName("paramore.example.greeting"),
new InputChannelFactory(rmqMessageConsumerFactory, rmqMessageProducerFactory),
typeof(GreetingEvent),
new ChannelName("greeting.event"),
"greeting.event",
timeoutInMilliseconds: 200)
};
var builder = DispatchBuilder
.With()
.CommandProcessor(CommandProcessorBuilder.With()
.Handlers(new HandlerConfiguration(subscriberRegistry, handlerFactory))
.Policies(policyRegistry)
.NoTaskQueues()
.RequestContextFactory(new InMemoryRequestContextFactory())
.Build()
)
.MessageMappers(messageMapperRegistry)
.ChannelFactory(new InputChannelFactory(rmqMessageConsumerFactory, rmqMessageProducerFactory))
.Connections(connections);
var dispatcher = builder.Build();
dispatcher.Receive();
Console.WriteLine("Press Enter to stop ...");
Console.ReadLine();
dispatcher.End().Wait();
}
/// <summary>
/// Initializes a new instance of the <see cref="RmqMessageProducerFactory"/> class.
/// </summary>
/// <param name="connection"></param>
public RmqMessageProducerFactory(RmqMessagingGatewayConnection connection)
{
_connection = connection;
}
