Messaging in .NET: RabbitMQ with EasyNetQ

Although pivotal provides a great .NET library for working with RabbitMQ, there is even better solution which will be sufficient in most cases – EasyNetQEasyNetQprovides nice abstraction over some low level concepts of RabbitMQ, such as topology registration, messages serialisation or error handling. It also gives an easy interface to work with some popular messaging patters such as Publish / Subscribe or Message Bus.

Under the bonnet EasyNetQ is doing quite a work to make all this happen. When publishing the message, EasyNetQ performs a check to see whether the related Exchange exists in RabbitMQ and if it doesn’t than creates it. On the other hand, call to Subscribe method will verify whether both exchange and queue exists and they are bound together. As you can see in the console windows, EasyNetQ runs quite verbose diagnostics which are priceless when it comes to debugging. If there was a problem with consuming the message, such as exception thrown by consumer code, then it will be automatically moved to error queue for further analysis. You can also rely on EasyNetQ to manage connections to RabbitMQ server so you do not need to worry when the connection was dropped etc.

Creating  Web publisher app and console consumer in .NET:

 

Why it is useful,  simple image gallery application example

 

Resources:

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