void mdbox_update_header(struct mdbox_mailbox *mbox,
struct mail_index_transaction *trans,
const struct mailbox_update *update)
{
struct mdbox_index_header hdr, new_hdr;
bool need_resize;
if (mdbox_read_header(mbox, &hdr, &need_resize) < 0) {
memset(&hdr, 0, sizeof(hdr));
need_resize = TRUE;
}
new_hdr = hdr;
if (update != NULL && !guid_128_is_empty(update->mailbox_guid)) {
memcpy(new_hdr.mailbox_guid, update->mailbox_guid,
sizeof(new_hdr.mailbox_guid));
} else if (guid_128_is_empty(new_hdr.mailbox_guid)) {
guid_128_generate(new_hdr.mailbox_guid);
}
new_hdr.map_uid_validity =
mdbox_map_get_uid_validity(mbox->storage->map);
if (need_resize) {
mail_index_ext_resize_hdr(trans, mbox->hdr_ext_id,
sizeof(new_hdr));
}
if (memcmp(&hdr, &new_hdr, sizeof(hdr)) != 0) {
mail_index_update_header_ext(trans, mbox->hdr_ext_id, 0,
&new_hdr, sizeof(new_hdr));
}
}
int mdbox_mail_lookup(struct mdbox_mailbox *mbox, struct mail_index_view *view,
uint32_t seq, uint32_t *map_uid_r)
{
const struct mdbox_mail_index_record *dbox_rec;
struct mdbox_index_header hdr;
const void *data;
uint32_t uid, cur_map_uid_validity;
bool expunged;
mail_index_lookup_ext(view, seq, mbox->ext_id, &data, &expunged);
dbox_rec = data;
if (dbox_rec == NULL || dbox_rec->map_uid == 0) {
mail_index_lookup_uid(view, seq, &uid);
mail_storage_set_critical(&mbox->storage->storage.storage,
"mdbox %s: map uid lost for uid %u",
mbox->box.path, uid);
mdbox_storage_set_corrupted(mbox->storage);
return -1;
}
if (mbox->map_uid_validity == 0) {
if (mdbox_read_header(mbox, &hdr) < 0) {
mdbox_storage_set_corrupted(mbox->storage);
return -1;
}
mbox->map_uid_validity = hdr.map_uid_validity;
}
if (mdbox_map_open_or_create(mbox->storage->map) < 0)
return -1;
cur_map_uid_validity = mdbox_map_get_uid_validity(mbox->storage->map);
if (cur_map_uid_validity != mbox->map_uid_validity) {
mail_storage_set_critical(&mbox->storage->storage.storage,
"mdbox %s: map uidvalidity mismatch (%u vs %u)",
mbox->box.path, mbox->map_uid_validity,
cur_map_uid_validity);
mdbox_storage_set_corrupted(mbox->storage);
return -1;
}
*map_uid_r = dbox_rec->map_uid;
return 0;
}