Integration of gRPC server and client with message broker -- custom Channel or ChannelInterface

[whe...@gmail.com]

Greetings,

I am interested in integrating gRPC with a message broker.  I've started looking at Channel and Channelnterface as places to re-implement the transport, but I have no idea if this is a fruitful approach. The queue APIs really boil down to some very simple concepts (I'm using Buffer as a placeholder for "array of bytes"):

Client:

    Buffer* call(Buffer* request);

Server:

    void  RunService(Handler* handler):

where Handler has a callback:

    class Handler {

      virtual Buffer* handler(Buffer* request) = 0;

   }

Any advice?  

Thanks

john lilley

[whe...@gmail.com]

To clarify, I mean that I want to use a message-broker API (e.g. JMS) as the "transport" for a web service server and client stubs, effectively replacing HTTP.

john 

[Benjamin Krämer]

Maybe it's better to just use ProtoBuf over JMS then? GRPC is mostly the HTTP stuff. You can just create your own code generator for the services based on the grpc-plugin: https://github.com/grpc/grpc/tree/master/src/compiler

[John Lilley]

Thanks! That's kind of the road I was headed down already, although I haven't looked into the grpc-plugin.

john

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[John Lilley]

Huh... where is the java code generator?

john

[Benjamin Krämer]

Java has a separate repository. You find the compiler here: https://github.com/grpc/grpc-java/tree/master/compiler/src/java_plugin/cpp

You can find a short explanation here:

https://github.com/grpc/grpc-java/blob/master/compiler/README.md