Method set_request_id

src/brpc/controller.h:229–229

    void set_log_id(uint64_t log_id);

    void set_request_id(std::string request_id) { _inheritable.request_id = request_id; }

    // Set type of service: http://en.wikipedia.org/wiki/Type_of_service
    // Current implementation has limits: If the connection is already