mdbox_write_index_header(struct mailbox *box,
const struct mailbox_update *update,
struct mail_index_transaction *trans)
{
struct mdbox_mailbox *mbox = (struct mdbox_mailbox *)box;
struct mail_index_transaction *new_trans = NULL;
struct mail_index_view *view;
const struct mail_index_header *hdr;
uint32_t uid_validity, uid_next;
if (mdbox_map_open_or_create(mbox->storage->map) < 0)
return -1;
if (trans == NULL) {
new_trans = mail_index_transaction_begin(box->view, 0);
trans = new_trans;
}
view = mail_index_view_open(box->index);
hdr = mail_index_get_header(view);
uid_validity = hdr->uid_validity;
if (update != NULL && update->uid_validity != 0)
uid_validity = update->uid_validity;
else if (uid_validity == 0) {
/* set uidvalidity */
uid_validity = dbox_get_uidvalidity_next(box->list);
}
if (hdr->uid_validity != uid_validity) {
mail_index_update_header(trans,
offsetof(struct mail_index_header, uid_validity),
&uid_validity, sizeof(uid_validity), TRUE);
}
int mdbox_map_lookup_full(struct mdbox_map *map, uint32_t map_uid,
struct mdbox_map_mail_index_record *rec_r,
uint16_t *refcount_r)
{
uint32_t seq;
int ret;
if (mdbox_map_open_or_create(map) < 0)
return -1;
if ((ret = mdbox_map_get_seq(map, map_uid, &seq)) <= 0)
return ret;
return mdbox_map_lookup_seq_full(map, seq, rec_r, refcount_r);
}
int mdbox_map_lookup(struct mdbox_map *map, uint32_t map_uid,
uint32_t *file_id_r, uoff_t *offset_r)
{
const struct mdbox_map_mail_index_record *rec;
uint32_t seq;
int ret;
if (mdbox_map_open_or_create(map) < 0)
return -1;
if ((ret = mdbox_map_get_seq(map, map_uid, &seq)) <= 0)
return ret;
if (mdbox_map_lookup_seq(map, seq, &rec) < 0)
return -1;
*file_id_r = rec->file_id;
*offset_r = rec->offset;
return 1;
}
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;
}
