static void
cachePurge(Cache * cache, storeSwapLogData * s, int update_digest)
{
CacheEntry *olde = (CacheEntry *) hash_lookup(cache->hash, s->key);
if (!olde) {
cache->bad_del_count++;
} else {
assert(cache->count);
hash_remove_link(cache->hash, (hash_link *) olde);
if (update_digest)
cacheDigestDel(cache->digest, s->key);
cacheEntryDestroy(olde);
cache->count--;
}
}
static void
cacheIndexDestroy(CacheIndex * idx)
{
hash_link *hashr = NULL;
if (idx) {
/* destroy hash list contents */
hash_first(idx->hash);
while (hashr = hash_next(idx->hash)) {
hash_remove_link(idx->hash, hashr);
cacheEntryDestroy((CacheEntry *) hashr);
}
/* destroy the hash table itself */
hashFreeMemory(idx->hash);
xfree(idx);
}
}
static void
cacheDestroy(Cache * cache)
{
CacheEntry *e = NULL;
hash_table *hash;
assert(cache);
hash = cache->hash;
/* destroy hash table contents */
hash_first(hash);
while (e = hash_next(hash)) {
hash_remove_link(hash, (hash_link *) e);
cacheEntryDestroy(e);
}
/* destroy the hash table itself */
hashFreeMemory(hash);
if (cache->digest)
cacheDigestDestroy(cache->digest);
xfree(cache);
}
static int
cacheIndexScan(CacheIndex * idx, const char *fname, FILE * file)
{
int count = 0;
storeSwapLogData s;
fprintf(stderr, "%s scanning\n", fname);
while (fread(&s, sizeof(s), 1, file) == 1) {
count++;
idx->scanned_count++;
/* if (s.op <= SWAP_LOG_NOP || s.op >= SWAP_LOG_MAX)
* continue; */
if (s.op == SWAP_LOG_ADD) {
CacheEntry *olde = (CacheEntry *) hash_lookup(idx->hash, s.key);
if (olde) {
idx->bad_add_count++;
} else {
CacheEntry *e = cacheEntryCreate(&s);
hash_join(idx->hash, (hash_link *) e);
idx->count++;
}
} else if (s.op == SWAP_LOG_DEL) {
CacheEntry *olde = (CacheEntry *) hash_lookup(idx->hash, s.key);
if (!olde)
idx->bad_del_count++;
else {
assert(idx->count);
hash_remove_link(idx->hash, (hash_link *) olde);
cacheEntryDestroy(olde);
idx->count--;
}
} else {
fprintf(stderr, "%s:%d: unknown swap log action\n", fname, count);
exit(-3);
}
}
fprintf(stderr, "%s:%d: scanned (size: %d bytes)\n",
fname, count, (int) (count * sizeof(CacheEntry)));
return count;
}