df8fa68d84c79c43a194febc68d7b316cd170f3f
2 * This file is part of DisOrder
3 * Copyright (C) 2006 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
34 const struct cache_type
*type
;
39 static int expired(const struct cache_entry
*c
, time_t now
) {
40 return now
- c
->birth
> c
->type
->lifetime
;
43 void cache_put(const struct cache_type
*type
,
44 const char *key
, const void *value
) {
45 struct cache_entry
*c
;
48 h
= hash_new(sizeof (struct cache_entry
));
49 c
= xmalloc(sizeof *c
);
53 hash_add(h
, key
, c
, HASH_INSERT_OR_REPLACE
);
56 const void *cache_get(const struct cache_type
*type
, const char *key
) {
57 const struct cache_entry
*c
;
60 && (c
= hash_find(h
, key
))
62 && !expired(c
, time(0)))
68 static int expiry_callback(const char *key
, void *value
, void *u
) {
69 const struct cache_entry
*c
= value
;
70 const time_t *now
= u
;
77 void cache_expire(void) {
82 hash_foreach(h
, expiry_callback
, &now
);
86 static int clean_callback(const char *key
, void *value
, void *u
) {
87 const struct cache_entry
*c
= value
;
88 const struct cache_type
*type
= u
;
90 if(!type
|| c
->type
== type
)
95 void cache_clean(const struct cache_type
*type
) {
97 hash_foreach(h
, clean_callback
, (void *)type
);
108 /* arch-tag:uoFZfd12rkQj/ppG5g3BtQ */