[GitHub] [incubator-brpc] altkatz opened a new issue #711: How to implement interceptor(or middleware)-like functionality before or after each rpc call?

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altkatz opened a new issue #711: How to implement interceptor(or middleware)-like functionality before or after each rpc call?
URL: https://github.com/apache/incubator-brpc/issues/711
 
 
   **Is your feature request related to a problem? (你需要的功能是否与某个问题有关?)**
   
    I'm implementing a service which contains 8 rpc calls, and i want to do something (auth, logging, tracing, etc) before / after each of these rpc calls, how should i do that ? A similar issue already existed in grpc https://github.com/grpc/grpc/issues/9035 
   
   **Describe the solution you'd like (描述你期望的解决方法)**
   How to do it in a clean and safe way?
   
   **Describe alternatives you've considered (描述你想到的折衷方案)**
   Currently I'm considering sub-classing brpc::ClosureGuard and add logging/tracing logic there, but is that even possible ?, if so, is it safe?
   
   **Additional context/screenshots (更多上下文/截图)**
   
   

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