X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fqache.h;h=48a9e31c10bc8808860ce4d0a76acfbe46a6d8dd;hb=8ab69f51fccccbcae521bd7f7e3ae27146fd1217;hp=5742103cff1410720bdeaeba02007cb125166f9d;hpb=53a240dfbe2707acc43c6883886e06463756ee48;p=libucw.git diff --git a/lib/qache.h b/lib/qache.h index 5742103c..48a9e31c 100644 --- a/lib/qache.h +++ b/lib/qache.h @@ -26,7 +26,7 @@ void qache_close(struct qache *q, uns retain_data); /* Insert new item to the cache with a given key and data. If pos_hint is non-zero, it serves * as a hint about the position of the entry (if it's known that an entry with the particular key - * was located there a moment ago. Returns position of the new entry. + * was located there a moment ago). Returns position of the new entry. */ uns qache_insert(struct qache *q, qache_key_t *key, uns pos_hint, void *data, uns size); @@ -37,7 +37,13 @@ uns qache_insert(struct qache *q, qache_key_t *key, uns pos_hint, void *data, un * can be greater than the original value requested). The start indicates starting offset inside the * entry's data. */ -uns qache_lookup(struct qache *q, qache_key_t *key, uns pos_hint, void **datap, uns *sizep, uns start); +uns qache_lookup(struct qache *q, qache_key_t *key, uns pos_hint, byte **datap, uns *sizep, uns start); + +/* Inspect data in the cache (but don't modify LRU nor anything else), given a position. + * If key is non-NULL, it's filled with the cache key. The rest works as in qache_lookup. + * Returns 0 if the entry is empty, ~0 for position out of range, entry number otherwise. + */ +uns qache_probe(struct qache *q, qache_key_t *key, uns pos, byte **datap, uns *sizep, uns start); /* Delete data from the cache, given a key and a position hint. */ uns qache_delete(struct qache *q, qache_key_t *key, uns pos_hint); @@ -45,4 +51,7 @@ uns qache_delete(struct qache *q, qache_key_t *key, uns pos_hint); /* Debugging dump (beware, doesn't lock the cache!) */ void qache_debug(struct qache *q); +/* Check consistency of the cache structure */ +void qache_audit(struct qache *q); + #endif