Method mark_host_failure

src/proxy/http/HttpSM.cc:5875–5907

}

void
HttpSM::mark_host_failure(ResolveInfo *info, ts_time time_down)
{
  char addrbuf[INET6_ADDRPORTSTRLEN];

  if (info->active) {
    if (time_down != TS_TIME_ZERO) {
      ats_ip_nptop(&t_state.current.server->dst_addr.sa, addrbuf, sizeof(addrbuf));
      // Increment the fail_count
      if (auto [down, fail_count] = info->active->increment_fail_count(time_down, t_state.txn_conf->connect_attempts_rr_retries);
          down) {
        char            *url_str = t_state.hdr_info.client_request.url_string_get_ref(nullptr);
        int              host_len;
        const char      *host_name_ptr = t_state.unmapped_url.host_get(&host_len);
        std::string_view host_name{host_name_ptr, static_cast<size_t>(host_len)};
        swoc::bwprint(error_bw_buffer, "CONNECT : {::s} connecting to {} for host='{}' url='{}' fail_count='{}' marking down",
                      swoc::bwf::Errno(t_state.current.server->connect_result), t_state.current.server->dst_addr, host_name,
                      swoc::bwf::FirstOf(url_str, "<none>"), fail_count);
        Log::error("%s", error_bw_buffer.c_str());
        SMDbg(dbg_ctl_http, "hostdb update marking IP: %s as down", addrbuf);
        ATS_PROBE2(hostdb_mark_ip_as_down, sm_id, addrbuf);
      } else {
        ATS_PROBE3(hostdb_inc_ip_failcount, sm_id, addrbuf, fail_count);
        SMDbg(dbg_ctl_http, "hostdb increment IP failcount %s to %d", addrbuf, fail_count);
      }
    } else { // Clear the failure
      info->active->mark_up();
    }
  }
#ifdef DEBUG
  ink_assert(std::chrono::system_clock::now() + t_state.txn_conf->down_server_timeout > time_down);
#endif
}

void
HttpSM::set_ua_abort(HttpTransact::AbortState_t ua_abort, int event)