/**
* Attempt to clean the cache
*/
static void hlcache_clean(void *ignored)
{
hlcache_entry *entry, *next;
for (entry = hlcache->content_list; entry != NULL; entry = next) {
next = entry->next;
if (entry->content == NULL)
continue;
if (content__get_status(entry->content) ==
CONTENT_STATUS_LOADING)
continue;
if (content_count_users(entry->content) != 0)
continue;
/** \todo This is over-zealous: all unused contents
* will be immediately destroyed. Ideally, we want to
* purge all unused contents that are using stale
* source data, and enough fresh contents such that
* the cache fits in the configured cache size limit.
*/
/* Remove entry from cache */
if (entry->prev == NULL)
hlcache->content_list = entry->next;
else
entry->prev->next = entry->next;
if (entry->next != NULL)
entry->next->prev = entry->prev;
/* Destroy content */
content_destroy(entry->content);
/* Destroy entry */
free(entry);
}
/* Attempt to clean the llcache */
llcache_clean();
/* Re-schedule ourselves */
guit->browser->schedule(hlcache->params.bg_clean_time, hlcache_clean, NULL);
}
/* exported interface documented in content/content.h */
content_status content_get_status(hlcache_handle *h)
{
return content__get_status(hlcache_handle_get_content(h));
}
