Method set_start_send_us

src/brpc/span.h:143–144

    void set_start_callback_us(int64_t tm)
    { _start_callback_real_us = tm + _base_real_us; }
    void set_start_send_us(int64_t tm)
    { _start_send_real_us = tm + _base_real_us; }
    void set_sent_us(int64_t tm)
    { _sent_real_us = tm + _base_real_us; }