Method queue_refused

src/msg/DispatchQueue.h:190–199

    cond.notify_all();
  }
  void queue_refused(Connection *con) {
    std::lock_guard l{lock};
    if (stop)
      return;
    mqueue.enqueue_strict(
      0,
      CEPH_MSG_PRIO_HIGHEST,
      QueueItem(D_CONN_REFUSED, con));
    cond.notify_all();
  }

  bool can_fast_dispatch(const ceph::cref_t<Message> &m) const;
  void fast_dispatch(const ceph::ref_t<Message>& m);