Method exec_events

src/test/msgr/test_async_networkstack.cc:118–131

  };
  template<typename func>
  void exec_events(func &&f) {
    std::vector<C_dispatch<func>*> dis;
    for (unsigned i = 0; i < stack->get_num_worker(); ++i) {
      Worker *w = stack->get_worker(i);
      C_dispatch<func> *e = new C_dispatch<func>(w, std::move(f));
      stack->get_worker(i)->center.dispatch_event_external(e);
      dis.push_back(e);
    }

    for (auto &&e : dis) {
      e->wait();
      delete e;
    }
  }
};

class C_poll : public EventCallback {