struct cache_object *cache_update_force(struct cache *c, void *ptr)
{
struct cache_object *obj;
int id;
obj = cache_find(c, ptr, &id);
if (obj) {
if (obj->status != C_OBJ_DEAD) {
cache_update(c, obj, id, ptr);
return obj;
} else {
cache_del(c, obj);
cache_object_free(obj);
}
}
obj = cache_object_new(c, ptr);
if (obj == NULL)
return NULL;
if (cache_add(c, obj, id) == -1) {
cache_object_free(obj);
return NULL;
}
return obj;
}
static int do_flush(void *data, void *n)
{
struct cache *c = data;
struct cache_object *obj = n;
cache_del(c, obj);
cache_object_free(obj);
return 0;
}
int cache_object_put(struct cache_object *obj)
{
if (--obj->refcnt == 0) {
cache_del(obj->cache, obj);
cache_object_free(obj);
return 1;
}
return 0;
}
static void external_cache_del(struct nf_conntrack *ct)
{
struct cache_object *obj;
int id;
obj = cache_find(external, ct, &id);
if (obj) {
cache_del(external, obj);
cache_object_free(obj);
}
}
static void external_cache_new(struct nf_conntrack *ct)
{
struct cache_object *obj;
int id;
obj = cache_find(external, ct, &id);
if (obj == NULL) {
retry:
obj = cache_object_new(external, ct);
if (obj == NULL)
return;
if (cache_add(external, obj, id) == -1) {
cache_object_free(obj);
return;
}
} else {
cache_del(external, obj);
cache_object_free(obj);
goto retry;
}
}
