[GitHub] [incubator-brpc] wwbmmm commented on pull request #1457: Implement SerializedResponse and example code

[GitBox <gi...@apache.org>]

wwbmmm commented on pull request #1457:
URL: https://github.com/apache/incubator-brpc/pull/1457#issuecomment-882181283


   > 这个pr的功能和attachment_data似乎是重复的
   
   这个的使用场景不是attachment，而是用于实现baidu_std协议的多语言客户端(如PHP、Python等语言）。
   比如在PHP语言的场景下，用户不能接受从 二进制序列化数据 <-> C++ pb对象 <-> PHP pb对象，这意味着每次修改proto都需要重新编译C++代码，成本过高，而且还增加了额外的性能开销。解决方案是C++代码只负责 二进制序列化数据的收发，然后由更上层的代码实现二进制序列化数据 <-> PHP pb对象的直接转换。


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