Function markParentDown

src/proxy/http/HttpTransact.cc:235–265

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
markParentDown(HttpTransact::State *s)
{
  url_mapping *mp = s->url_map.getMapping();

  TxnDbg(dbg_ctl_http_trans, "enable_parent_timeout_markdowns: %d, disable_parent_markdowns: %d",
         s->txn_conf->enable_parent_timeout_markdowns, s->txn_conf->disable_parent_markdowns);

  if (s->txn_conf->disable_parent_markdowns == 1) {
    TxnDbg(dbg_ctl_http_trans, "parent markdowns are disabled for this request");
    return;
  }

  if (s->current.state == HttpTransact::INACTIVE_TIMEOUT) {
    if (s->txn_conf->enable_parent_timeout_markdowns == 0) {
      return;
    }
    Metrics::Counter::increment(http_rsb.total_parent_marked_down_timeout);
  }
  // Increment metric when config allows ATS to mark parent down
  Metrics::Counter::increment(http_rsb.total_parent_marked_down_count);

  if (s->response_action.handled) {
    // Do nothing. If a plugin handled the response, let it handle markdown.
  } else if (mp && mp->strategy) {
    mp->strategy->markNextHop(reinterpret_cast<TSHttpTxn>(s->state_machine), s->parent_result.hostname, s->parent_result.port,
                              NH_MARK_DOWN);
  } else if (s->parent_params) {
    s->parent_params->markParentDown(&s->parent_result, s->txn_conf->parent_fail_threshold, s->txn_conf->parent_retry_time);
  }
}

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