static async void OnIncomingMessage(object sender, IncomingRabbitMqMessageEventArgs ea)
{
Console.WriteLine($"------> In the event Message='{RabbitMqEndpoint.ConvertMessageToString(ea.Message)}' sent='{ea.MessageSentUtc.ToLocalTime()}'");
var message = RabbitMqEndpoint.ConvertMessageToString(ea.Message);
if (ea.RequiresAck)
{
Console.WriteLine("------> Sending a basic Ack");
await((RabbitMqEndpoint)sender).SendAck(ea.DeliveryTag);
}
if (ea.IsRpc)
{
var reply = "Dunno what to say...";
if (message.StartsWith("My name is "))
{
var name = message.Replace("My name is ", "");
reply = $"Hello to you, {name}!";
}
var me1 = (RabbitMqEndpoint)sender;
await me1.ReplyAsync <string>(reply, null);
}
}
protected virtual async Task OnIncomingMessageAsync(object sender, BasicDeliverEventArgs ea)
{
await Task.Delay(0, LocalCancellationToken);
var ackMode = ((ConsumerParameters)ChannelParameters).AutoAckMode;
var isRpc = false;
var requiresAck = false;
VerboseLoggingHandler.Log($"Event OnIncomingMessageAsync triggered For tag='{ea.DeliveryTag}', exchange='{ea.Exchange}', routingKeyOrTopicName='{ea.RoutingKey}', consumerTag='{ea.ConsumerTag}', deliveryTag='{ea.DeliveryTag}', redelivered='{ea.Redelivered}'");
var messageType = ea.BasicProperties.Type;
if (!ea.BasicProperties.IsCorrelationIdPresent())
{
var e = new InvalidOperationException($"Missing correlationId in message from exchange={ea.Exchange} deliveryTag=${ea.DeliveryTag}");
VerboseLoggingHandler.Log(e);
throw e;
}
VerboseLoggingHandler.Log($"MessageType='{messageType}'");
if (messageType.Contains(MessageTypeFragmentsRequestAmqAck))
{
if (ackMode == ConsumerParameters.AutoAckModeEnum.OnReceipt)
{
Channel.BasicAck(ea.DeliveryTag, false);
}
if (ackMode == ConsumerParameters.AutoAckModeEnum.Manual)
{
requiresAck = true;
}
}
if ((messageType.Contains(MessageTypeFragmentsRequestAck) || messageType.Contains(MessageTypeFragmentsRequestReply) && ea.BasicProperties.IsReplyToPresent()))
{
isRpc = true;
EndpointType = EndpointTypeEnum.RpcConsumer;
ReplyToQueueName = ea.BasicProperties.ReplyTo;
VerboseLoggingHandler.Log($"Reply requested to '{ReplyToQueueName}'");
if (ea.BasicProperties.IsHeadersPresent())
{
VerboseLoggingHandler.Log($"Headers found");
var headers = ea.BasicProperties.Headers;
if (headers.ContainsKey(DictionaryKey_PassedQueueTtl))
{
var ttl = Convert.ToInt32(headers[DictionaryKey_PassedQueueTtl]);
VerboseLoggingHandler.Log($"ttl='{ttl}'");
if (QueueTtlValues.ContainsKey(ReplyToQueueName))
{
QueueTtlValues[ReplyToQueueName] = ttl;
}
else
{
QueueTtlValues.Add(ReplyToQueueName, ttl);
}
ea.BasicProperties.Headers.Remove(DictionaryKey_PassedQueueTtl);
}
}
// Handle basic message acknowledgement here.
if (messageType.Contains(MessageTypeFragmentsRequestAck) && ConvertMessageToString(ea.Body) == MessageContent_Ping)
{
VerboseLoggingHandler.Log($"Ack'ing the Ping");
await ReplyAsync(MessageContent_PingResponse, null);
}
}
VerboseLoggingHandler.Log($"Delegate check - does messageType have '{MessageTypeFragmentsRequestReply}'?");
if (messageType.Contains(MessageTypeFragmentsRequestReply))
{
VerboseLoggingHandler.Log($"Confirmed. Fire delegate");
var args = new IncomingRabbitMqMessageEventArgs(isRpc, requiresAck, ea);
await Task.Run(() => IncomingMessage?.Invoke(this, args), LocalCancellationToken);
}
}
