static void index_mail_get_cached_body_size(struct index_mail *mail)
{
struct index_mail_data *data = &mail->data;
uoff_t tmp;
if (!data->hdr_size_set)
return;
/* we've already called get_cached_msgpart_sizes() and it didn't work.
try to do this by using cached virtual size and a quick physical
size lookup. */
if (!index_mail_get_cached_virtual_size(mail, &tmp))
return;
if (!data->body_size_set) {
if (mail_get_physical_size(&mail->mail.mail, &tmp) < 0)
return;
/* we should have everything now. try again. */
(void)index_mail_get_cached_virtual_size(mail, &tmp);
}
}
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;
}
int index_mail_get_virtual_size(struct mail *_mail, uoff_t *size_r)
{
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 (index_mail_get_cached_virtual_size(mail, size_r))
return 0;
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);
i_assert(data->virtual_size != (uoff_t)-1);
*size_r = data->virtual_size;
return 0;
}
int dbox_mail_get_virtual_size(struct mail *_mail, uoff_t *size_r)
{
struct dbox_mail *mail = (struct dbox_mail *)_mail;
struct index_mail_data *data = &mail->imail.data;
const char *value;
uintmax_t size;
if (index_mail_get_cached_virtual_size(&mail->imail, size_r))
return 0;
if (dbox_mail_metadata_get(mail, DBOX_METADATA_VIRTUAL_SIZE,
&value) < 0)
return -1;
if (value == NULL)
return index_mail_get_virtual_size(_mail, size_r);
if (str_to_uintmax_hex(value, &size) < 0 || size > (uoff_t)-1)
return -1;
data->virtual_size = (uoff_t)size;
*size_r = data->virtual_size;
return 0;
}
