int mdbox_mail_open(struct dbox_mail *mail, uoff_t *offset_r,
struct dbox_file **file_r)
{
struct mail *_mail = &mail->imail.mail.mail;
struct mdbox_mailbox *mbox = (struct mdbox_mailbox *)_mail->box;
uint32_t prev_file_id = 0, map_uid = 0;
bool deleted;
if (_mail->lookup_abort != MAIL_LOOKUP_ABORT_NEVER) {
mail_set_aborted(_mail);
return -1;
}
do {
if (mail->open_file != NULL) {
/* already open */
} else if (!_mail->saving) {
if (mdbox_mail_lookup(mbox, _mail->transaction->view,
_mail->seq, &map_uid) < 0)
return -1;
if (dbox_mail_open_init(mail, map_uid) < 0)
return -1;
} else {
/* mail is being saved in this transaction */
mail->open_file =
mdbox_save_file_get_file(_mail->transaction,
_mail->seq,
&mail->offset);
}
if (!dbox_file_is_open(mail->open_file))
mail->imail.mail.stats_open_lookup_count++;
if (dbox_file_open(mail->open_file, &deleted) <= 0)
return -1;
if (deleted) {
/* either it's expunged now or moved to another file. */
struct mdbox_file *mfile =
(struct mdbox_file *)mail->open_file;
if (mfile->file_id == prev_file_id) {
dbox_mail_set_expunged(mail, map_uid);
return -1;
}
prev_file_id = mfile->file_id;
if (mdbox_map_refresh(mbox->storage->map) < 0)
return -1;
dbox_file_unref(&mail->open_file);
}
} while (mail->open_file == NULL);
*file_r = mail->open_file;
*offset_r = mail->offset;
return 0;
}
static int mdbox_sync_expunge(struct mdbox_sync_context *ctx, uint32_t seq,
const guid_128_t guid_128)
{
uint32_t map_uid;
if (seq_range_array_add(&ctx->expunged_seqs, seq)) {
/* already marked as expunged in this sync */
return 0;
}
if (dbox_sync_verify_expunge_guid(ctx, seq, guid_128) < 0)
return -1;
if (mdbox_mail_lookup(ctx->mbox, ctx->sync_view, seq, &map_uid) < 0)
return -1;
if (mdbox_map_update_refcount(ctx->map_trans, map_uid, -1) < 0)
return -1;
return 0;
}
