Change-Id: Ie6a19ae2c5ab6f60a3c6818eb1c9016402bc86c9
/** Cache format version number */
const VERSION = 1;
- const FLD_VERSION = 0;
- const FLD_VALUE = 1;
- const FLD_TTL = 2;
- const FLD_TIME = 3;
- const FLD_FLAGS = 4;
- const FLD_HOLDOFF = 5;
+ const FLD_VERSION = 0; // key to cache version number
+ const FLD_VALUE = 1; // key to the cached value
+ const FLD_TTL = 2; // key to the original TTL
+ const FLD_TIME = 3; // key to the cache time
+ const FLD_FLAGS = 4; // key to the flags bitfield
+ const FLD_HOLDOFF = 5; // key to any hold-off TTL
/** @var integer Treat this value as expired-on-arrival */
const FLG_STALE = 1;