static int maildir_mail_get_virtual_size(struct mail *_mail, uoff_t *size_r)
{
struct maildir_mailbox *mbox = (struct maildir_mailbox *)_mail->box;
struct index_mail *mail = (struct index_mail *)_mail;
struct index_mail_data *data = &mail->data;
struct message_size hdr_size, body_size;
struct istream *input;
uoff_t old_offset;
if (maildir_uidlist_is_read(mbox->uidlist) ||
(_mail->box->flags & MAILBOX_FLAG_POP3_SESSION) != 0) {
/* try to get the size from uidlist. this is especially useful
with pop3 to avoid unnecessarily opening the cache file. */
if (maildir_quick_size_lookup(mail, TRUE,
&data->virtual_size) < 0)
return -1;
}
if (data->virtual_size == (uoff_t)-1) {
if (index_mail_get_cached_virtual_size(mail, size_r)) {
i_assert(mail->data.virtual_size != (uoff_t)-1);
maildir_handle_size_caching(mail, TRUE, TRUE);
return 0;
}
if (maildir_quick_size_lookup(mail, TRUE,
&data->virtual_size) < 0)
return -1;
}
if (data->virtual_size != (uoff_t)-1) {
data->dont_cache_fetch_fields |= MAIL_FETCH_VIRTUAL_SIZE;
*size_r = data->virtual_size;
return 0;
}
/* fallback to reading the file */
old_offset = data->stream == NULL ? 0 : data->stream->v_offset;
if (mail_get_stream(_mail, &hdr_size, &body_size, &input) < 0)
return -1;
i_stream_seek(data->stream, old_offset);
maildir_handle_size_caching(mail, FALSE, TRUE);
*size_r = data->virtual_size;
return 0;
}
static int maildir_mail_get_physical_size(struct mail *_mail, uoff_t *size_r)
{
struct index_mail *mail = (struct index_mail *)_mail;
struct maildir_mailbox *mbox = (struct maildir_mailbox *)_mail->box;
struct index_mail_data *data = &mail->data;
struct stat st;
struct message_size hdr_size, body_size;
struct istream *input;
const char *path;
int ret;
if (maildir_uidlist_is_read(mbox->uidlist) ||
(_mail->box->flags & MAILBOX_FLAG_POP3_SESSION) != 0) {
/* try to get the size from uidlist (see virtual size above) */
if (maildir_quick_size_lookup(mail, FALSE,
&data->physical_size) < 0)
return -1;
}
if (data->physical_size == (uoff_t)-1) {
if (index_mail_get_physical_size(_mail, size_r) == 0) {
i_assert(mail->data.physical_size != (uoff_t)-1);
maildir_handle_size_caching(mail, TRUE, FALSE);
return 0;
}
if (maildir_quick_size_lookup(mail, FALSE,
&data->physical_size) < 0)
return -1;
}
if (data->physical_size != (uoff_t)-1) {
data->dont_cache_fetch_fields |= MAIL_FETCH_PHYSICAL_SIZE;
*size_r = data->physical_size;
return 0;
}
if (mail->mail.v.istream_opened != NULL) {
/* we can't use stat(), because this may be a mail that some
plugin has changed (e.g. zlib). need to do it the slow
way. */
if (mail_get_stream(_mail, &hdr_size, &body_size, &input) < 0)
return -1;
st.st_size = hdr_size.physical_size + body_size.physical_size;
} else if (!_mail->saving) {
ret = maildir_file_do(mbox, _mail->uid, do_stat, &st);
if (ret <= 0) {
if (ret == 0)
mail_set_expunged(_mail);
return -1;
}
} else {
/* saved mail which hasn't been committed yet */
path = maildir_save_file_get_path(_mail->transaction,
_mail->seq);
if (stat(path, &st) < 0) {
mail_storage_set_critical(_mail->box->storage,
"stat(%s) failed: %m", path);
return -1;
}
}
data->physical_size = st.st_size;
maildir_handle_size_caching(mail, FALSE, FALSE);
*size_r = st.st_size;
return 0;
}
