/**
* Return an item if it hasn't been marked as expired, lazily expiring
* item as-and-when needed
*/
struct item *
item_get(const struct bstring *key)
{
struct item *it;
it = hashtable_get(key->data, key->len, hash_table);
if (it == NULL) {
log_verb("get it '%.*s' not found", key->len, key->data);
return NULL;
}
log_verb("get it key %.*s val %.*s", key->len, key->data, it->vlen,
item_data(it));
if (_item_expired(it)) {
log_verb("get it '%.*s' expired and nuked", key->len, key->data);
_item_unlink(it);
_item_dealloc(&it);
return NULL;
}
log_verb("get it %p of id %"PRIu8, it, it->id);
return it;
}
static void _item_replace(struct item *it, struct item *nit) {
assert(it->magic == ITEM_MAGIC);
assert(!item_is_slabbed(it));
assert(nit->magic == ITEM_MAGIC);
assert(!item_is_slabbed(nit));
_item_unlink(it);
_item_link(nit);
}
static void
_item_delete(struct item **it)
{
log_verb("delete it %p of id %"PRIu8, *it, (*it)->id);
_item_unlink(*it);
_item_dealloc(it);
}
static struct item* _item_get(const char *key, uint16_t nkey) {
struct item *it;
it = assoc_find(key, nkey);
if (it == NULL) return NULL;
if (it->exptime != 0 && it->exptime <= time_now()) {
_item_unlink(it);
return NULL;
}
item_acquire_refcount(it);
_item_touch(it);
return it;
}
void item_delete(struct item *it) {
pthread_mutex_lock(&cache_lock);
_item_unlink(it);
_item_remove(it);
pthread_mutex_unlock(&cache_lock);
}
