public void StopReceivingMessage()
{
try
{
lock (queueClient)
{
if (isReceivingMessages)
{
messageReceiver.Close();
// Updating flag.
isReceivingMessages = false;
}
}
}
catch (Exception ex)
{
MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToStopReceivingMessage,
message: ErrorMessages.FailedToStopReceivingMessage,
innerException: ex,
queueContext: CommonItems.ServiceBusName,
queueName: sbConfiguration.QueueName,
address: sbConfiguration.Address,
logger: logger);
}
}
public void StartReceivingRequest()
{
try
{
lock (poller)
{
if (!isReceivingMessages)
{
poller.Add(socket);
// Updating flag.
isReceivingMessages = true;
}
}
}
catch (Exception ex)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToStartReceivingRequest,
message: ErrorMessages.FailedToStartReceivingRequest,
innerException: ex,
queueContext: CommonItems.ZeroMqName,
address: zmqConfiguration.Address,
logger: logger);
}
}
/// <summary>
/// Helper event handler.
/// </summary>
private void ReceiveReady(object sender, NetMQSocketEventArgs e)
{
try
{
// Receiving client message.
var clientRequest = e.Socket.ReceiveMultipartMessage();
// Parsing client message.
var clientAddress = clientRequest[0];
var clientRequestData = MessageQueueCommonItems.DeserializeFromJson <TRequest>(clientRequest[2].ConvertToString());
// Calling handler.
OnRequestReady?.Invoke(new ZmqRequestMessage <TRequest, TResponse>(clientAddress, e.Socket, clientRequestData, ref logger));
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Fatal(queueException, queueException.Message);
#endregion
}
catch (Exception ex)
{
MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToReceiveRequestMessage,
message: ErrorMessages.FailedToReceiveRequestMessage,
innerException: ex,
queueContext: CommonItems.ZeroMqName,
address: zmqConfiguration.Address,
logger: logger);
}
}
public void SendRequest(TRequest message)
{
#region Sending Message
try
{
// Preparing message.
var messageToServer = new NetMQMessage();
messageToServer.AppendEmptyFrame();
messageToServer.Append(MessageQueueCommonItems.SerializeToJson(message));
// Sending message.
socket.SendMultipartMessage(messageToServer);
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Fatal(queueException, queueException.Message);
#endregion
throw;
}
catch (Exception ex)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToSendMessage,
message: ErrorMessages.FailedToSendMessage,
innerException: ex,
queueContext: CommonItems.ZeroMqName,
address: zmqConfiguration.Address,
logger: logger);
}
#endregion
}
public async Task SendMessageAsync(TMessage message)
{
try
{
#region Sending Message
await Task.Run(() => SendMessage(message));
#endregion
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Fatal(queueException, queueException.Message);
#endregion
throw;
}
catch (Exception ex)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToSendMessage,
message: ErrorMessages.FailedToSendMessage,
innerException: ex,
queueContext: CommonItems.ZeroMqName,
address: zmqConfiguration.Address,
logger: logger);
}
}
public override void Response(TResponse response)
{
try
{
#region Sending Response
// Preparing response.
var messageToClient = new NetMQMessage();
messageToClient.Append(clientAddress);
messageToClient.AppendEmptyFrame();
messageToClient.Append(MessageQueueCommonItems.SerializeToJson(response));
// Sending response.
responseChannel.SendMultipartMessage(messageToClient);
#endregion
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Error(queueException, queueException.Message);
#endregion
throw;
}
catch (Exception ex)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToSendResponseMessage,
message: ErrorMessages.FailedToSendResponseMessage,
innerException: ex,
queueContext: CommonItems.ZeroMqName,
logger: logger);
}
}
public ZmqOutboundRaR(Dictionary <string, string> configuration, IQueueLogger loggerObject)
{
try
{
#region Initialization
base.Initialize(configuration, ZeroMqSocketType.Dealer, false, loggerObject);
// Setting fields.
Address = zmqConfiguration.Address;
// Need to set some unique identifier for connection identity (ZeroMq requirement).
socketIdentity = Guid.NewGuid().ToString("N");
socket.Options.Identity = Encoding.Unicode.GetBytes(socketIdentity);
// Binding on receive event.
socket.ReceiveReady += ResponseReady;
// Initializing poller and starting it.
poller = new NetMQPoller {
socket
};
poller.RunAsync();
#endregion
}
catch (Exception ex) when(!(ex is QueueException))
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToInitializeMessageQueue,
message: ErrorMessages.FailedToInitializeMessageQueue,
innerException: ex,
queueContext: CommonItems.ZeroMqName,
address: zmqConfiguration?.Address,
logger: logger);
}
}
public void SendMessage(TMessage message)
{
try
{
#region Sending Message
// We need to lock as the sockets are not multi-threaded in ZeroMq.
lock (lockForQueueOperation)
{
socket.SendFrame(MessageQueueCommonItems.SerializeToJson(message));
}
#endregion
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Fatal(queueException, queueException.Message);
#endregion
throw;
}
catch (Exception ex)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToSendMessage,
message: ErrorMessages.FailedToSendMessage,
innerException: ex,
queueContext: CommonItems.ZeroMqName,
address: zmqConfiguration.Address,
logger: logger);
}
}
/// <summary>
/// Helper method to create the exchange.
/// </summary>
protected virtual void CreateExchange(AmqpExchangeType exchangeType)
{
#region Validation
CheckIfQueueHasInitialized();
#endregion
#region Creating Exchange
try
{
model.ExchangeDeclare(rabbitMqConfiguration.ExchangeName, exchangeType.ToString(), rabbitMqConfiguration.DurableExchange);
}
catch (Exception ex)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToCreateExchange,
message: ErrorMessages.FailedToCreateExchange,
innerException: ex,
queueContext: CommonItems.RabbitMqName,
address: rabbitMqConfiguration.Address,
context: new Dictionary <string, string>
{
[CommonContextKeys.ExchangeName] = rabbitMqConfiguration.ExchangeName
},
logger: logger);
}
#endregion
}
public void StartReceivingMessage()
{
try
{
lock (queueClient)
{
if (!isReceivingMessages)
{
// Creating message receiver.
messageReceiver = queueClient.MessagingFactory.CreateMessageReceiver(sbConfiguration.QueueName, (sbConfiguration.Acknowledgment ? ReceiveMode.PeekLock : ReceiveMode.ReceiveAndDelete));
// Registering event.
messageReceiver.OnMessageAsync(ReceiveReadyAsync, new OnMessageOptions {
AutoComplete = false, MaxConcurrentCalls = sbConfiguration.MaxConcurrentReceiveCallback
});
// Updating flag.
isReceivingMessages = true;
}
}
}
catch (Exception ex)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToStartReceivingMessage,
message: ErrorMessages.FailedToStartReceivingMessage,
innerException: ex,
queueContext: CommonItems.ServiceBusName,
queueName: sbConfiguration.QueueName,
address: sbConfiguration.Address,
logger: logger);
}
}
public ZmqInboundRaR(Dictionary <string, string> configuration, IQueueLogger loggerObject)
{
try
{
#region Initialization
base.Initialize(configuration, ZeroMqSocketType.Router, true, loggerObject);
// Setting fields.
Address = zmqConfiguration.Address;
// Binding on receive event.
base.socket.ReceiveReady += ReceiveReady;
// Initializing poller.
poller = new NetMQPoller();
poller.RunAsync();
#endregion
}
catch (Exception ex) when(!(ex is QueueException))
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToInitializeMessageQueue,
message: ErrorMessages.FailedToInitializeMessageQueue,
innerException: ex,
queueContext: CommonItems.ZeroMqName,
address: zmqConfiguration?.Address,
logger: logger);
}
}
/// <summary>
/// Method to create the queue.
/// </summary>
protected virtual QueueDeclareOk CreateQueue()
{
#region Validation
CheckIfQueueHasInitialized();
#endregion
#region Initialization
QueueDeclareOk queueDeclareOk;
#endregion
#region Creating Queue
try
{
queueDeclareOk = model.QueueDeclare(rabbitMqConfiguration.QueueName, rabbitMqConfiguration.DurableQueue, false, false, null);
}
catch (Exception ex)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToCreateMessageQueue,
message: ErrorMessages.FailedToCreateMessageQueue,
innerException: ex,
queueContext: CommonItems.RabbitMqName,
queueName: rabbitMqConfiguration.QueueName,
address: rabbitMqConfiguration.Address,
logger: logger);
}
#endregion
#region Return
return(queueDeclareOk);
#endregion
}
public void StopReceivingMessage()
{
try
{
lock (consumer)
{
if (isReceivingMessages)
{
model.BasicCancel(consumer.ConsumerTag);
// Updating flag.
isReceivingMessages = false;
}
}
}
catch (Exception ex)
{
MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToStopReceivingMessage,
message: ErrorMessages.FailedToStopReceivingMessage,
innerException: ex,
queueContext: CommonItems.RabbitMqName,
queueName: rabbitMqConfiguration.QueueName,
address: rabbitMqConfiguration.Address,
logger: logger);
}
}
public void StartReceivingMessage()
{
try
{
lock (consumer)
{
if (!isReceivingMessages)
{
// Binding consumer with queue to start receiving messages.
model.BasicConsume(rabbitMqConfiguration.QueueName, !rabbitMqConfiguration.Acknowledgment, consumer);
// Updating flag.
isReceivingMessages = true;
}
}
}
catch (Exception ex)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToStartReceivingMessage,
message: ErrorMessages.FailedToStartReceivingMessage,
innerException: ex,
queueContext: CommonItems.RabbitMqName,
queueName: rabbitMqConfiguration.QueueName,
address: rabbitMqConfiguration.Address,
logger: logger);
}
}
public void StopReceivingMessage()
{
try
{
lock (poller)
{
if (isReceivingMessages)
{
poller.Remove(socket);
// Updating flag.
isReceivingMessages = false;
}
}
}
catch (Exception ex)
{
MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToStopReceivingMessage,
message: ErrorMessages.FailedToStopReceivingMessage,
innerException: ex,
queueContext: CommonItems.ZeroMqName,
address: zmqConfiguration.Address,
logger: logger);
}
}
public SbInboundFaF(Dictionary <string, string> configuration, IQueueLogger loggerObject)
{
try
{
#region Initialization
base.Initialize(configuration, true, loggerObject);
// Setting other fields.
Address = sbConfiguration.Address;
// Creating queue client for acknowledgment.
if (sbConfiguration.Acknowledgment)
{
acknowledgmentQueueClient = queueClient.MessagingFactory.CreateQueueClient(sbConfiguration.QueueName);
}
#endregion
}
catch (Exception ex) when(!(ex is QueueException))
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToInitializeMessageQueue,
message: ErrorMessages.FailedToInitializeMessageQueue,
innerException: ex,
queueContext: CommonItems.ServiceBusName,
queueName: sbConfiguration.QueueName,
address: sbConfiguration.Address,
logger: logger);
}
}
public async Task SendMessageAsync(TMessage message)
{
try
{
#region Sending Message
CheckConnection();
await queueClient.SendAsync(new BrokeredMessage(new MemoryStream(MessageQueueCommonItems.SerializeToJsonBytes(message))));
#endregion
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Fatal(queueException, queueException.Message);
#endregion
throw;
}
catch (Exception ex)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToSendMessage,
message: ErrorMessages.FailedToSendMessage,
innerException: ex,
queueContext: CommonItems.ServiceBusName,
queueName: sbConfiguration.QueueName,
address: sbConfiguration.Address,
logger: logger);
}
}
public bool HasMessage()
{
try
{
// Creating new receiver just to avoid closed connection issue.
var messageReceiverToPeek = queueClient.MessagingFactory.CreateMessageReceiver(sbConfiguration.QueueName, ReceiveMode.PeekLock);
// Peeking
var result = messageReceiverToPeek.Peek() != null;
// Closing connection.
messageReceiverToPeek.Close();
return(result);
}
catch (Exception ex)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToCheckQueueHasMessage,
message: ErrorMessages.FailedToCheckQueueHasMessage,
innerException: ex,
queueContext: CommonItems.ServiceBusName,
queueName: sbConfiguration.QueueName,
address: sbConfiguration.Address,
logger: logger);
}
}
/// <summary>
/// Common initialization code.
/// </summary>
protected virtual void Initialize(Dictionary <string, string> configuration, ZeroMqSocketType socketType, bool isInbound, IQueueLogger loggerObject = null)
{
try
{
#region Logger Initialization
logger = loggerObject;
#endregion
#region Parameters Collection
zmqConfiguration = CommonItems.CollectZmqConfiguration(ref configuration, isInbound, ref logger);
#endregion
#region Creating Socket
InitializeZeroMqSocket(socketType, isInbound);
#endregion
}
catch (Exception ex) when(!(ex is QueueException))
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToInitializeMessageQueue,
message: ErrorMessages.FailedToInitializeMessageQueue,
innerException: ex,
queueContext: CommonItems.ZeroMqName,
address: zmqConfiguration.Address,
logger: logger);
}
}
/// <summary>
/// Helper event handler.
/// </summary>
private void ResponseReady(object sender, NetMQSocketEventArgs e)
{
try
{
// Receiving message.
// Server will send empty frame followed by actual data frame so we need to skip the first frame.
var receivedMessage = e.Socket.ReceiveMultipartStrings();
if (receivedMessage.Count > 1)
{
// Converting from Json.
var convertedMessage = MessageQueueCommonItems.DeserializeFromJson <TResponse>(receivedMessage[1]);
// Calling handler.
OnResponseReady?.Invoke(convertedMessage);
}
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Fatal(queueException, queueException.Message);
#endregion
}
catch (Exception ex)
{
MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToReceiveResponseMessage,
message: ErrorMessages.FailedToReceiveResponseMessage,
innerException: ex,
queueContext: CommonItems.ZeroMqName,
address: zmqConfiguration.Address,
logger: logger);
}
}
public void SendRequest(TRequest message)
{
#region Sending Message
try
{
// Preparing message.
var correlationId = Guid.NewGuid().ToString("N");
var messageProperties = model.CreateBasicProperties();
messageProperties.ReplyTo = replyQueueName;
messageProperties.CorrelationId = correlationId;
// Storing correlation Id.
lock (correlationIds)
{
correlationIds.Add(correlationId);
}
// Sending message.
lock (lockForQueueOperation)
{
model.BasicPublish(exchangeName, routingKey, messageProperties, MessageQueueCommonItems.SerializeToJsonBytes(message));
}
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Fatal(queueException, queueException.Message);
#endregion
throw;
}
catch (Exception ex)
{
#region Adding Context Data
var context = new Dictionary <string, string>();
if (!string.IsNullOrEmpty(rabbitMqConfiguration.ExchangeName))
{
context.Add(CommonContextKeys.ExchangeName, rabbitMqConfiguration.ExchangeName);
}
if (!string.IsNullOrEmpty(routingKey))
{
context.Add(CommonContextKeys.RoutingKey, routingKey);
}
#endregion
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToSendMessage,
message: ErrorMessages.FailedToSendMessage,
innerException: ex,
queueContext: CommonItems.RabbitMqName,
queueName: rabbitMqConfiguration.QueueName,
address: rabbitMqConfiguration.Address,
context: context,
logger: logger);
}
#endregion
}
/// <summary>
/// Helper event handler.
/// </summary>
private void ResponseReady(object sender, BasicDeliverEventArgs e)
{
try
{
// Check if correlation Id is valid.
if (correlationIds.Contains(e.BasicProperties.CorrelationId))
{
lock (correlationIds)
{
correlationIds.Remove(e.BasicProperties.CorrelationId);
}
// Converting from Json bytes.
var convertedMessage = MessageQueueCommonItems.DeserializeFromJsonBytes <TResponse>(e.Body);
// Calling handler.
OnResponseReady?.Invoke(convertedMessage);
}
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Fatal(queueException, queueException.Message);
#endregion
}
catch (Exception ex)
{
#region Adding Context Data
var context = new Dictionary <string, string>();
if (!string.IsNullOrEmpty(rabbitMqConfiguration.ExchangeName))
{
context.Add(CommonContextKeys.ExchangeName, rabbitMqConfiguration.ExchangeName);
}
if (!string.IsNullOrEmpty(routingKey))
{
context.Add(CommonContextKeys.RoutingKey, routingKey);
}
if (!string.IsNullOrEmpty(replyQueueName))
{
context.Add(CommonContextKeys.ReplyQueueName, replyQueueName);
}
#endregion
MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToReceiveResponseMessage,
message: ErrorMessages.FailedToReceiveResponseMessage,
innerException: ex,
queueContext: CommonItems.RabbitMqName,
queueName: rabbitMqConfiguration.QueueName,
address: rabbitMqConfiguration.Address,
context: context,
logger: logger);
}
}
/// <summary>
/// Helper event handler.
/// </summary>
private void ReceiveReady(object sender, BasicDeliverEventArgs request)
{
try
{
// Converting from Json bytes.
var convertedMessage = MessageQueueCommonItems.DeserializeFromJsonBytes <TRequest>(request.Body);
// Getting other required fields for response.
var replyProperties = model.CreateBasicProperties();
replyProperties.CorrelationId = request.BasicProperties.CorrelationId;
// Calling handler.
OnRequestReady?.Invoke(new RmqRequestMessage <TRequest, TResponse>(
model,
replyProperties,
rabbitMqConfiguration.ExchangeName ?? string.Empty,
request.BasicProperties.ReplyTo,
rabbitMqConfiguration.Acknowledgment,
request.DeliveryTag,
convertedMessage,
ref logger));
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Fatal(queueException, queueException.Message);
#endregion
}
catch (Exception ex)
{
#region Adding Context Data
var context = new Dictionary <string, string>();
if (!string.IsNullOrEmpty(rabbitMqConfiguration.ExchangeName))
{
context.Add(CommonContextKeys.ExchangeName, rabbitMqConfiguration.ExchangeName);
}
if (!string.IsNullOrEmpty(rabbitMqConfiguration.RoutingKey))
{
context.Add(CommonContextKeys.RoutingKey, rabbitMqConfiguration.RoutingKey);
}
#endregion
MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToReceiveRequestMessage,
message: ErrorMessages.FailedToReceiveRequestMessage,
innerException: ex,
queueContext: CommonItems.RabbitMqName,
queueName: rabbitMqConfiguration.QueueName,
address: rabbitMqConfiguration.Address,
context: context,
logger: logger);
}
}
/// <summary>
/// Common initialization code.
/// </summary>
protected virtual void Initialize(Dictionary <string, string> configuration, bool isInbound, IQueueLogger loggerObject = null)
{
try
{
#region Logger Initialization
logger = loggerObject;
#endregion
#region Parameters Collection
sbConfiguration = CommonItems.CollectSbConfiguration(ref configuration, isInbound, ref logger);
#endregion
#region Initializing Queue
queueClient = QueueClient.CreateFromConnectionString(sbConfiguration.Address);
if (!string.IsNullOrWhiteSpace(sbConfiguration.NamespaceAddress))
{
namespaceManager = NamespaceManager.CreateFromConnectionString(sbConfiguration.NamespaceAddress);
}
// Updating address field to remove confidential data.
sbConfiguration.Address = sbConfiguration.Address?.Split(';')?.FirstOrDefault(x => x.StartsWith(CommonItems.SbConnectionStringAddressPartName, StringComparison.InvariantCultureIgnoreCase));
sbConfiguration.NamespaceAddress = sbConfiguration.NamespaceAddress?.Split(';')?.FirstOrDefault(x => x.StartsWith(CommonItems.SbConnectionStringAddressPartName, StringComparison.InvariantCultureIgnoreCase));
if (!IsQueueExistsHelper())
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.QueueDoesNotExist,
message: ErrorMessages.QueueDoesNotExist,
innerException: null,
queueContext: CommonItems.ServiceBusName,
queueName: sbConfiguration.QueueName,
address: sbConfiguration.Address,
logger: logger);
}
// Updating flag.
isInitialized = true;
#endregion
}
catch (Exception ex) when(!(ex is QueueException))
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToInitializeMessageQueue,
message: ErrorMessages.FailedToInitializeMessageQueue,
innerException: ex,
queueContext: CommonItems.ServiceBusName,
queueName: sbConfiguration.QueueName,
address: sbConfiguration.Address,
logger: logger);
}
}
/// <summary>
/// Helper event handler.
/// </summary>
private async void ReceiveReady(object sender, BasicDeliverEventArgs e)
{
try
{
// Converting from Json bytes.
var convertedMessage = MessageQueueCommonItems.DeserializeFromJsonBytes <TMessage>(e.Body);
var messageReceiveOptions = new RmqMessageReceiveOptions(model, e.DeliveryTag, rabbitMqConfiguration.QueueName, rabbitMqConfiguration.Acknowledgment, ref logger);
// Calling handler (async is preferred over sync).
if (OnMessageReadyAsync != null)
{
await OnMessageReadyAsync.Invoke(convertedMessage, messageReceiveOptions);
}
else
{
OnMessageReady?.Invoke(convertedMessage, messageReceiveOptions);
}
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Fatal(queueException, queueException.Message);
#endregion
}
catch (Exception ex)
{
#region Adding Context Data
var context = new Dictionary <string, string>();
if (!string.IsNullOrEmpty(rabbitMqConfiguration.ExchangeName))
{
context.Add(CommonContextKeys.ExchangeName, rabbitMqConfiguration.ExchangeName);
}
if (!string.IsNullOrEmpty(rabbitMqConfiguration.RoutingKey))
{
context.Add(CommonContextKeys.RoutingKey, rabbitMqConfiguration.RoutingKey);
}
#endregion
MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToReceiveMessage,
message: ErrorMessages.FailedToReceiveMessage,
innerException: ex,
queueContext: CommonItems.RabbitMqName,
queueName: rabbitMqConfiguration.QueueName,
address: rabbitMqConfiguration.Address,
context: context,
logger: logger);
}
}
/// <summary>
/// Helper method to check if queue has been initialized.
/// </summary>
private void CheckIfQueueHasInitialized()
{
if (!isInitialized)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.MessageQueueIsNotInitialized,
message: ErrorMessages.MessageQueueIsNotInitialized,
innerException: null,
queueContext: CommonItems.ServiceBusName,
queueName: sbConfiguration?.QueueName,
address: sbConfiguration?.Address,
logger: logger);
}
}
public RmqOutboundRaR(Dictionary <string, string> configuration, IQueueLogger loggerObject)
{
try
{
#region Initialization
base.Initialize(configuration, AmqpExchangeType.Direct, false, loggerObject);
// Setting other fields.
Address = rabbitMqConfiguration.Address;
exchangeName = rabbitMqConfiguration.ExchangeName ?? string.Empty;
routingKey = rabbitMqConfiguration.RoutingKey ?? rabbitMqConfiguration.QueueName;
replyQueueName = model.QueueDeclare().QueueName;
correlationIds = new List <string>();
// Registering event.
var consumer = new EventingBasicConsumer(model);
consumer.Received += ResponseReady;
// Binding with queue.
model.BasicConsume(replyQueueName, true, consumer);
#endregion
}
catch (Exception ex) when(!(ex is QueueException))
{
#region Adding Context Data
var context = new Dictionary <string, string>();
if (!string.IsNullOrEmpty(rabbitMqConfiguration.ExchangeName))
{
context.Add(CommonContextKeys.ExchangeName, rabbitMqConfiguration.ExchangeName);
}
if (!string.IsNullOrEmpty(rabbitMqConfiguration.RoutingKey))
{
context.Add(CommonContextKeys.RoutingKey, rabbitMqConfiguration.RoutingKey);
}
#endregion
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToInitializeMessageQueue,
message: ErrorMessages.FailedToInitializeMessageQueue,
innerException: ex,
queueContext: CommonItems.RabbitMqName,
queueName: rabbitMqConfiguration.QueueName,
address: rabbitMqConfiguration.Address,
context: context,
logger: logger);
}
}
/// <summary>
/// Helper event handler.
/// </summary>
private async Task ReceiveReadyAsync(BrokeredMessage brokeredMessage)
{
try
{
if (brokeredMessage != null)
{
// Converting from Json.
var convertedMessage = MessageQueueCommonItems.DeserializeFromJson <TMessage>(new StreamReader(brokeredMessage.GetBody <Stream>()).ReadToEnd());
var lockToken = Guid.Empty;
// Getting lock token if acknowledgment is configured.
if (sbConfiguration.Acknowledgment)
{
lockToken = brokeredMessage.LockToken;
}
var messageReceiveOptions = new SbMessageReceiveOptions(lockToken, sbConfiguration.QueueName, sbConfiguration.Acknowledgment, ref acknowledgmentQueueClient, ref logger);
// Calling handler (async is preferred over sync).
if (OnMessageReadyAsync != null)
{
await OnMessageReadyAsync.Invoke(convertedMessage, messageReceiveOptions);
}
else
{
OnMessageReady?.Invoke(convertedMessage, messageReceiveOptions);
}
}
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Fatal(queueException, queueException.Message);
#endregion
}
catch (Exception ex)
{
MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToReceiveMessage,
message: ErrorMessages.FailedToReceiveMessage,
innerException: ex,
queueContext: CommonItems.ServiceBusName,
queueName: sbConfiguration.QueueName,
address: sbConfiguration.Address,
logger: logger);
}
}
public bool HasMessage()
{
try
{
return(socket.HasIn);
}
catch (Exception ex)
{
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToCheckQueueHasMessage,
message: ErrorMessages.FailedToCheckQueueHasMessage,
innerException: ex,
queueContext: CommonItems.ZeroMqName,
address: zmqConfiguration.Address,
logger: logger);
}
}
public void SendMessage(TMessage message)
{
try
{
#region Sending Message
lock (lockForQueueOperation)
{
model.BasicPublish(exchangeName, routingKey, modelProperties, MessageQueueCommonItems.SerializeToJsonBytes(message));
}
#endregion
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Fatal(queueException, queueException.Message);
#endregion
throw;
}
catch (Exception ex)
{
#region Adding Context Data
var context = new Dictionary <string, string>();
if (!string.IsNullOrEmpty(rabbitMqConfiguration.ExchangeName))
{
context.Add(CommonContextKeys.ExchangeName, rabbitMqConfiguration.ExchangeName);
}
if (!string.IsNullOrEmpty(routingKey))
{
context.Add(CommonContextKeys.RoutingKey, routingKey);
}
#endregion
throw MessageQueueCommonItems.PrepareAndLogQueueException(
errorCode: QueueErrorCode.FailedToSendMessage,
message: ErrorMessages.FailedToSendMessage,
innerException: ex,
queueContext: CommonItems.RabbitMqName,
queueName: rabbitMqConfiguration.QueueName,
address: rabbitMqConfiguration.Address,
context: context,
logger: logger);
}
}