Function nextParent

src/proxy/http/HttpTransact.cc:302–327

wrapper to choose between a remap next hop strategy or use parent.config remap next hop strategy is preferred

// wrapper to choose between a remap next hop strategy or use parent.config
// remap next hop strategy is preferred
inline static void
nextParent(HttpTransact::State *s)
{
  TxnDbg(dbg_ctl_parent_down, "connection to parent %s failed, conn_state: %s, request to origin: %s", s->parent_result.hostname,
         HttpDebugNames::get_server_state_name(s->current.state), s->request_data.get_host());
  url_mapping *mp = s->url_map.getMapping();
  Metrics::Counter::increment(http_rsb.parent_count);
  if (s->response_action.handled) {
    s->parent_result.hostname = s->response_action.action.hostname;
    s->parent_result.port     = s->response_action.action.port;
    s->parent_result.retry    = s->response_action.action.is_retry;
    if (!s->response_action.action.fail) {
      s->parent_result.result = PARENT_SPECIFIED;
    } else if (s->response_action.action.goDirect) {
      s->parent_result.result = PARENT_DIRECT;
    } else {
      s->parent_result.result = PARENT_FAIL;
    }
  } else if (mp && mp->strategy) {
    // NextHop only has a findNextHop() function.
    mp->strategy->findNextHop(reinterpret_cast<TSHttpTxn>(s->state_machine));
  } else if (s->parent_params) {
    s->parent_params->nextParent(&s->request_data, &s->parent_result, s->txn_conf->parent_fail_threshold,
                                 s->txn_conf->parent_retry_time);
  }
}

inline static bool
is_localhost(const char *name, int len)