Method heartbeat

src/master/framework.cpp:682–701

void Framework::heartbeat()
{
  CHECK_SOME(http_);

  // TODO(vinod): Make heartbeat interval configurable and include
  // this information in the SUBSCRIBED response.
  scheduler::Event event;
  event.set_type(scheduler::Event::HEARTBEAT);

  heartbeater.reset(
      new ResponseHeartbeater<scheduler::Event, v1::scheduler::Event>(
          "framework " + stringify(info.id()),
          event,
          http_.get(),
          DEFAULT_HEARTBEAT_INTERVAL,
          None(),
          [this, event]() {
            this->metrics.incrementEvent(event);
          }));
}


bool Framework::isTrackedUnderRole(const std::string& role) const