wwbmmm commented on issue #3167:
URL: https://github.com/apache/brpc/issues/3167#issuecomment-3649034842
> class Transport{
> public:
> virtual void BeforeRecycled(Socket* socket) = 0;
> virtual int WaitAndReset(Socket* socket, int32_t expected_nref) = 0;
> virtual int StartWrite(Socket* socket, WriteRequest* req,
WriteOptions& opt) = 0;
> virtual void* KeepWrite(void* void_arg) = 0;
> virtual ssize_t DoWrite(Socket* socket, WriteRequest* req) = 0;
> virtual int OnInputEvent(void* user_data, uint32_t events,
bthread_attr_t& thread_attr) = 0;
> virtual void DebugSocket(std::ostream& ostream, SocketId id) = 0;
> }
最上面的Transport层接口是DoConnect/DoRead/DoWrite，为什么到这里变成了WaitAndReset/StartWrite/KeepWrite/DoWrite/OnInputEvent呢？感觉前者更合理些。后者耦合了太多逻辑，比如bthread操作、多路复用、健康检查等。
还有这里TransportWrapper的作用是什么呢？
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