int cmd_purge(int argc, char *argv[])
{
storage_t storage;
strset_t backups;
strset_t objects;
const char *elem;
struct mark_backup_args args;
if (argc != 2)
{
int help_argc = 2;
char *help_argv[] = { "help_err", "purge", NULL };
return cmd_help_err(help_argc, help_argv);
}
if ((storage = storage_new(argv[1], false, true)) == NULL)
logger(LOG_ERROR, "unable to open storage: %s", argv[1]);
if (!storage_lock(storage, true, options_get()->force))
logger(LOG_ERROR, "backup directory locked, use -f to force operation");
backups = strset_new();
objects = strset_new();
/* Get the list of backups. */
elem = storage_list(storage, "backups");
while (elem != NULL)
{
strset_add(backups, elem);
elem = storage_list(storage, NULL);
}
/* Get the list of objects. */
elem = storage_list(storage, "objects");
while (elem != NULL)
{
strset_add(objects, elem);
elem = storage_list(storage, NULL);
}
/*
** For each backup, call mark_backup, which will mark all the objects of a
** backup as used (it will actually remove them from the `objects` strset.
*/
args.objects = objects;
args.storage = storage;
strset_foreach(backups, mark_backup, &args);
/* Delete every object remaining in the `objects` strset. */
strset_foreach(objects, delete_object, (void *) storage);
strset_delete(backups);
strset_delete(objects);
storage_unlock(storage);
storage_delete(storage);
return EXIT_SUCCESS;
}
int listAllUniqueTags(struct client *client, int type,
const struct locate_item_list *criteria)
{
int ret;
ListCommandItem *item = newListCommandItem(type, criteria);
struct list_tags_data data = {
.client = client,
.item = item,
};
if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
data.set = strset_new();
}
ret = db_walk(NULL, listUniqueTagsInDirectory, NULL, &data);
if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
const char *value;
strset_rewind(data.set);
while ((value = strset_next(data.set)) != NULL)
client_printf(client, "%s: %s\n",
tag_item_names[type],
value);
strset_free(data.set);
}
freeListCommandItem(item);
return ret;
}
void stats_update(void)
{
struct visit_data data;
stats.song_count = 0;
stats.song_duration = 0;
stats.artist_count = 0;
data.artists = strset_new();
data.albums = strset_new();
db_walk(NULL, stats_collect_song, NULL, &data);
stats.artist_count = strset_size(data.artists);
stats.album_count = strset_size(data.albums);
strset_free(data.artists);
strset_free(data.albums);
}
bool
listAllUniqueTags(struct client *client, int type,
const struct locate_item_list *criteria,
GError **error_r)
{
ListCommandItem *item = newListCommandItem(type, criteria);
struct list_tags_data data = {
.client = client,
.item = item,
};
if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
data.set = strset_new();
}
if (!db_walk("", &unique_tags_visitor, &data, error_r)) {
freeListCommandItem(item);
return false;
}
if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
const char *value;
strset_rewind(data.set);
while ((value = strset_next(data.set)) != NULL)
client_printf(client, "%s: %s\n",
tag_item_names[type],
value);
strset_free(data.set);
}
freeListCommandItem(item);
return true;
}
int main() {
unsigned long s1, s2, s3;
s1 = strset_new();
strset_insert(s1, "foo");
assert(strset_test(s1, "foo"));
assert(!strset_test(s1, "bar"));
strset_insert(s1, "bar");
assert(strset_test(s1, "bar"));
assert(strset_size(s1) == 2);
strset_insert(s1, "bar");
assert(strset_size(s1) == 2);
strset_remove(s1, "foo");
assert(!strset_test(s1, "foo"));
assert(strset_test(s1, "bar"));
assert(strset_size(s1) == 1);
strset_delete(s1);
strset_insert(s1, "whatever");
assert(strset_size(s1) == 0);
assert(!strset_test(s1, "whatever"));
s2 = strset_new();
s3 = strset_new();
strset_insert(s2, "Ania");
strset_insert(s2, "Alek");
strset_insert(s2, "Maria");
strset_insert(s2, "Fiona");
strset_insert(s3, "Ania");
strset_insert(s3, "Maria");
assert(strset_comp(s2, s3) == -1);
assert(strset_comp(s3, s2) == 1);
strset_remove(s2, "Alek");
strset_remove(s2, "Fiona");
strset_remove(s2, "Olek");
assert(strset_comp(s3, s2) == 0);
strset_clear(s3);
assert(strset_comp(s2, s3) == 1);
strset_clear(s2);
assert(strset_comp(s2, s3) == 0);
strset_delete(s2);
strset_delete(s3);
assert(strset_comp(s2, s3) == 0);
assert(strset_size(strset42()) == 1);
strset_delete(strset42());
strset_insert(strset42(), "66");
assert(strset_size(strset42()) == 1);
strset_insert(strset42(), "24");
strset_insert(strset42(), "42");
assert(!strset_test(strset42(), "24"));
assert(strset_test(strset42(), "42"));
strset_remove(strset42(), "42");
assert(strset_size(strset42()) == 1);
strset_clear(strset42());
assert(strset_size(strset42()) == 1);
assert(strset_comp(strset42(), strset42()) == 0);
assert(strset_comp(strset42(), 666) == 1);
assert(strset_comp(666, strset42()) == -1);
return 0;
}