Method open

src/iocore/cache/Cache.cc:252–295

}

int
Cache::open(bool clear, bool /* fix ATS_UNUSED */)
{
  int   i;
  off_t blocks          = 0;
  cache_read_done       = 0;
  total_initialized_vol = 0;
  total_nvol            = 0;
  total_good_nvol       = 0;

  REC_EstablishStaticConfigInt32(cache_config_min_average_object_size, "proxy.config.cache.min_average_object_size");
  Dbg(dbg_ctl_cache_init, "Cache::open - proxy.config.cache.min_average_object_size = %d", cache_config_min_average_object_size);

  CacheVol *cp = cp_list.head;
  for (; cp; cp = cp->link.next) {
    if (cp->scheme == scheme) {
      cp->stripes = static_cast<StripeSM **>(ats_malloc(cp->num_vols * sizeof(StripeSM *)));
      int vol_no  = 0;
      for (i = 0; i < gndisks; i++) {
        if (cp->disk_stripes[i] && !DISK_BAD(cp->disk_stripes[i]->disk)) {
          DiskStripeBlockQueue *q = cp->disk_stripes[i]->dpb_queue.head;
          for (; q; q = q->link.next) {
            blocks                         = q->b->len;
            CacheDisk *d                   = cp->disk_stripes[i]->disk;
            cp->stripes[vol_no]            = new StripeSM(d, blocks, q->b->offset, cp->avg_obj_size, cp->fragment_size);
            cp->stripes[vol_no]->cache     = this;
            cp->stripes[vol_no]->cache_vol = cp;

            bool vol_clear = clear || d->cleared || q->new_block;
            cp->stripes[vol_no]->init(vol_clear);
            vol_no++;
            cache_size += blocks;
          }
        }
      }
      total_nvol += vol_no;
    }
  }
  if (total_nvol == 0) {
    return open_done();
  }
  cache_read_done = 1;
  return 0;
}

int
Cache::close()