Mercurial > dovecot > original-hg > dovecot-1.2
view src/lib-storage/index/mbox/mbox-mail.c @ 3067:4c92f9eae613 HEAD
mail->expunged field wasn't actually set. Now it's always set if
wanted_fields contains message header or body.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Fri, 07 Jan 2005 23:45:40 +0200 |
parents | 61c8d205d887 |
children | 605c71410c67 |
line wrap: on
line source
/* Copyright (C) 2003 Timo Sirainen */ #include "lib.h" #include "istream.h" #include "index-mail.h" #include "mbox-storage.h" #include "mbox-file.h" #include "mbox-lock.h" #include "mbox-sync-private.h" #include "istream-raw-mbox.h" #include "istream-header-filter.h" #include <fcntl.h> #include <unistd.h> #include <sys/stat.h> static int mbox_mail_seek(struct index_mail *mail) { struct mbox_transaction_context *t = (struct mbox_transaction_context *)mail->trans; struct index_mailbox *ibox = mail->ibox; enum mbox_sync_flags sync_flags = 0; int ret, deleted; if (mail->mail.expunged) return 0; __again: if (ibox->mbox_lock_type == F_UNLCK) { sync_flags |= MBOX_SYNC_LOCK_READING; if (mbox_sync(ibox, sync_flags) < 0) return -1; /* refresh index file after mbox has been locked to make sure we get only up-to-date mbox offsets. */ if (mail_index_refresh(ibox->index) < 0) { mail_storage_set_index_error(ibox); return -1; } i_assert(ibox->mbox_lock_type != F_UNLCK); t->mbox_lock_id = ibox->mbox_lock_id; } if (mbox_file_open_stream(ibox) < 0) return -1; ret = mbox_file_seek(ibox, mail->trans->trans_view, mail->mail.seq, &deleted); if (ret < 0) { if (deleted) { mail->mail.expunged = TRUE; return 0; } return -1; } if (ret == 0) { /* we'll need to re-sync it completely */ if (ibox->mbox_lock_type == F_RDLCK) { if (ibox->mbox_lock_id == t->mbox_lock_id) t->mbox_lock_id = 0; (void)mbox_unlock(mail->ibox, ibox->mbox_lock_id); ibox->mbox_lock_id = 0; i_assert(ibox->mbox_lock_type == F_UNLCK); } sync_flags |= MBOX_SYNC_UNDIRTY; goto __again; } return 1; } static time_t mbox_mail_get_received_date(struct mail *_mail) { struct index_mail *mail = (struct index_mail *)_mail; struct index_mail_data *data = &mail->data; (void)index_mail_get_received_date(_mail); if (data->received_date != (time_t)-1) return data->received_date; if (mbox_mail_seek(mail) <= 0) return (time_t)-1; data->received_date = istream_raw_mbox_get_received_time(mail->ibox->mbox_stream); if (data->received_date == (time_t)-1) { /* it's broken and conflicts with our "not found" return value. change it. */ data->received_date = 0; } mail_cache_add(mail->trans->cache_trans, mail->data.seq, MAIL_CACHE_RECEIVED_DATE, &data->received_date, sizeof(data->received_date)); return data->received_date; } static const char * mbox_mail_get_special(struct mail *_mail, enum mail_fetch_field field) { struct index_mail *mail = (struct index_mail *)_mail; if (field == MAIL_FETCH_FROM_ENVELOPE) { if (mbox_mail_seek(mail) <= 0) return NULL; return istream_raw_mbox_get_sender(mail->ibox->mbox_stream); } return index_mail_get_special(_mail, field); } static uoff_t mbox_mail_get_physical_size(struct mail *_mail) { struct index_mail *mail = (struct index_mail *)_mail; struct index_mail_data *data = &mail->data; struct istream *stream; uoff_t hdr_offset, body_offset, body_size; /* our header size varies, so don't do any caching */ stream = mail->ibox->mbox_stream; hdr_offset = istream_raw_mbox_get_header_offset(stream); body_offset = istream_raw_mbox_get_body_offset(stream); body_size = istream_raw_mbox_get_body_size(stream, (uoff_t)-1); data->physical_size = (body_offset - hdr_offset) + body_size; return data->physical_size; } static struct istream *mbox_mail_get_stream(struct mail *_mail, struct message_size *hdr_size, struct message_size *body_size) { struct index_mail *mail = (struct index_mail *)_mail; struct index_mail_data *data = &mail->data; struct istream *raw_stream; uoff_t offset; if (data->stream == NULL) { if (mbox_mail_seek(mail) <= 0) return NULL; raw_stream = mail->ibox->mbox_stream; offset = istream_raw_mbox_get_header_offset(raw_stream); raw_stream = i_stream_create_limit(default_pool, raw_stream, offset, (uoff_t)-1); data->stream = i_stream_create_header_filter(raw_stream, HEADER_FILTER_EXCLUDE, mbox_hide_headers, mbox_hide_headers_count, NULL, NULL); i_stream_unref(raw_stream); } return index_mail_init_stream(mail, hdr_size, body_size); } struct mail mbox_mail = { 0, 0, 0, 0, 0, 0, index_mail_get_flags, index_mail_get_keywords, index_mail_get_parts, mbox_mail_get_received_date, index_mail_get_date, index_mail_get_virtual_size, mbox_mail_get_physical_size, index_mail_get_header, index_mail_get_headers, mbox_mail_get_stream, mbox_mail_get_special, index_mail_update_flags, index_mail_update_keywords, index_mail_expunge };