Function config_handler

plugins/regex_revalidate/regex_revalidate.cc:557–600

}

static int
config_handler(TSCont cont, TSEvent event, void * /* edata ATS_UNUSED */)
{
  plugin_state_t *pstate;
  invalidate_t   *i, *iptr;
  TSCont          free_cont;
  bool            updated;
  TSMutex         mutex;

  Dbg(dbg_ctl, "In config_handler");

  mutex = TSContMutexGet(cont);
  TSMutexLock(mutex);

  pstate = (plugin_state_t *)TSContDataGet(cont);
  i      = copy_config(pstate->invalidate_list);

  updated = prune_config(&i);
  updated = load_config(pstate, &i) || updated;

  if (updated) {
    list_config(pstate, i);
    iptr = __sync_val_compare_and_swap(&(pstate->invalidate_list), pstate->invalidate_list, i);

    if (iptr) {
      free_cont = TSContCreate(free_handler, TSMutexCreate());
      TSContDataSet(free_cont, (void *)iptr);
      TSContScheduleOnPool(free_cont, FREE_TMOUT, TS_THREAD_POOL_TASK);
    }
  } else {
    Dbg(dbg_ctl, "No Changes");
    if (i) {
      free_invalidate_t_list(i);
    }
  }

  TSMutexUnlock(mutex);

  // Don't reschedule for TS_EVENT_MGMT_UPDATE
  if (event == TS_EVENT_TIMEOUT) {
    TSContScheduleOnPool(cont, CONFIG_TMOUT, TS_THREAD_POOL_TASK);
  }
  return 0;
}

static time_t
get_date_from_cached_hdr(TSHttpTxn txn)