struct mail_index *
mail_index_alloc_cache_get(const char *mailbox_path,
const char *index_dir, const char *prefix)
{
struct mail_index_alloc_cache_list *match;
struct stat st;
/* compare index_dir inodes so we don't break even with symlinks.
if index_dir doesn't exist yet or if using in-memory indexes, just
compare mailbox paths */
memset(&st, 0, sizeof(st));
if (index_dir == NULL) {
/* in-memory indexes */
} else if (stat(index_dir, &st) < 0) {
if (errno == ENOENT) {
/* it'll be created later */
} else if (errno == EACCES) {
i_error("%s", eacces_error_get("stat", index_dir));
} else {
i_error("stat(%s) failed: %m", index_dir);
}
}
match = mail_index_alloc_cache_find(mailbox_path, index_dir, &st);
if (match == NULL) {
struct mail_index *index = mail_index_alloc(index_dir, prefix);
match = mail_index_alloc_cache_add(index, mailbox_path, &st);
} else {
match->refcount++;
}
i_assert(match->index != NULL);
return match->index;
}
struct mdbox_map *
mdbox_map_init(struct mdbox_storage *storage, struct mailbox_list *root_list)
{
struct mdbox_map *map;
const char *root, *index_root;
root = mailbox_list_get_root_forced(root_list, MAILBOX_LIST_PATH_TYPE_DIR);
index_root = mailbox_list_get_root_forced(root_list, MAILBOX_LIST_PATH_TYPE_INDEX);
map = i_new(struct mdbox_map, 1);
map->storage = storage;
map->set = storage->set;
map->path = i_strconcat(root, "/"MDBOX_GLOBAL_DIR_NAME, NULL);
map->index_path =
i_strconcat(index_root, "/"MDBOX_GLOBAL_DIR_NAME, NULL);
map->index = mail_index_alloc(map->index_path,
MDBOX_GLOBAL_INDEX_PREFIX);
mail_index_set_fsync_mode(map->index,
MAP_STORAGE(map)->set->parsed_fsync_mode, 0);
mail_index_set_lock_method(map->index,
MAP_STORAGE(map)->set->parsed_lock_method,
mail_storage_get_lock_timeout(MAP_STORAGE(map), UINT_MAX));
map->root_list = root_list;
map->map_ext_id = mail_index_ext_register(map->index, "map",
sizeof(struct mdbox_map_mail_index_header),
sizeof(struct mdbox_map_mail_index_record),
sizeof(uint32_t));
map->ref_ext_id = mail_index_ext_register(map->index, "ref", 0,
sizeof(uint16_t), sizeof(uint16_t));
return map;
}
