void index_transaction_init(struct mailbox_transaction_context *t,
struct mailbox *box,
enum mailbox_transaction_flags flags)
{
enum mail_index_transaction_flags itrans_flags;
i_assert(box->opened);
itrans_flags = index_transaction_flags_get(flags);
if ((flags & MAILBOX_TRANSACTION_FLAG_REFRESH) != 0)
mail_index_refresh(box->index);
t->box = box;
t->itrans = mail_index_transaction_begin(box->view, itrans_flags);
t->view = mail_index_transaction_open_updated_view(t->itrans);
array_create(&t->module_contexts, default_pool,
sizeof(void *), 5);
t->cache_view = mail_cache_view_open(box->cache, t->view);
t->cache_trans = mail_cache_get_transaction(t->cache_view, t->itrans);
if ((flags & MAILBOX_TRANSACTION_FLAG_NO_CACHE_DEC) != 0)
mail_cache_view_update_cache_decisions(t->cache_view, FALSE);
/* set up after mail_cache_get_transaction(), so that we'll still
have the cache_trans available in _index_commit() */
t->super = t->itrans->v;
t->itrans->v.commit = index_transaction_index_commit;
t->itrans->v.rollback = index_transaction_index_rollback;
MODULE_CONTEXT_SET(t->itrans, mail_storage_mail_index_module, t);
}
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);
}
void mailbox_list_index_refresh_later(struct mailbox_list *list)
{
struct mailbox_list_index *ilist = INDEX_LIST_CONTEXT(list);
struct mailbox_list_index_header new_hdr;
struct mail_index_view *view;
struct mail_index_transaction *trans;
if (!ilist->has_backing_store)
return;
(void)mailbox_list_index_index_open(list);
view = mail_index_view_open(ilist->index);
if (!mailbox_list_index_need_refresh(ilist, view)) {
new_hdr.refresh_flag = 1;
trans = mail_index_transaction_begin(view,
MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL);
mail_index_update_header_ext(trans, ilist->ext_id,
offsetof(struct mailbox_list_index_header, refresh_flag),
&new_hdr.refresh_flag, sizeof(new_hdr.refresh_flag));
if (mail_index_transaction_commit(&trans) < 0)
mail_index_mark_corrupted(ilist->index);
}
int sdbox_mailbox_create_indexes(struct mailbox *box,
const struct mailbox_update *update,
struct mail_index_transaction *trans)
{
struct sdbox_mailbox *mbox = SDBOX_MAILBOX(box);
struct mail_index_transaction *new_trans = NULL;
const struct mail_index_header *hdr;
uint32_t uid_validity, uid_next;
if (trans == NULL) {
new_trans = mail_index_transaction_begin(box->view, 0);
trans = new_trans;
}
hdr = mail_index_get_header(box->view);
if (update != NULL && update->uid_validity != 0)
uid_validity = update->uid_validity;
else if (hdr->uid_validity != 0)
uid_validity = hdr->uid_validity;
else {
/* 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);
}
static int
index_storage_mailbox_update_pvt(struct mailbox *box,
const struct mailbox_update *update)
{
struct mail_index_transaction *trans;
struct mail_index_view *view;
int ret;
if ((ret = mailbox_open_index_pvt(box)) <= 0)
return ret;
mail_index_refresh(box->index_pvt);
view = mail_index_view_open(box->index_pvt);
trans = mail_index_transaction_begin(view,
MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL);
if (update->min_highest_modseq != 0 &&
mail_index_modseq_get_highest(view) < update->min_highest_pvt_modseq) {
mail_index_modseq_enable(box->index_pvt);
mail_index_update_highest_modseq(trans,
update->min_highest_pvt_modseq);
}
if ((ret = mail_index_transaction_commit(&trans)) < 0)
mailbox_set_index_error(box);
mail_index_view_close(&view);
return ret;
}
int index_storage_mailbox_update(struct mailbox *box,
const struct mailbox_update *update)
{
const struct mail_index_header *hdr;
struct mail_index_view *view;
struct mail_index_transaction *trans;
int ret;
if (mailbox_open(box) < 0)
return -1;
/* make sure we get the latest index info */
mail_index_refresh(box->index);
view = mail_index_view_open(box->index);
hdr = mail_index_get_header(view);
trans = mail_index_transaction_begin(view,
MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL);
if (update->uid_validity != 0 &&
hdr->uid_validity != update->uid_validity) {
uint32_t uid_validity = update->uid_validity;
if (hdr->uid_validity != 0) {
/* UIDVALIDITY change requires index to be reset */
mail_index_reset(trans);
}
mail_index_update_header(trans,
offsetof(struct mail_index_header, uid_validity),
&uid_validity, sizeof(uid_validity), TRUE);
}
void index_transaction_init(struct index_transaction_context *it,
struct mailbox *box,
enum mailbox_transaction_flags flags)
{
struct mailbox_transaction_context *t = &it->mailbox_ctx;
enum mail_index_transaction_flags trans_flags;
i_assert(box->opened);
trans_flags = MAIL_INDEX_TRANSACTION_FLAG_AVOID_FLAG_UPDATES;
if ((flags & MAILBOX_TRANSACTION_FLAG_HIDE) != 0)
trans_flags |= MAIL_INDEX_TRANSACTION_FLAG_HIDE;
if ((flags & MAILBOX_TRANSACTION_FLAG_EXTERNAL) != 0)
trans_flags |= MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL;
if ((flags & MAILBOX_TRANSACTION_FLAG_REFRESH) != 0)
(void)mail_index_refresh(box->index);
t->box = box;
t->itrans = mail_index_transaction_begin(box->view, trans_flags);
t->view = mail_index_transaction_open_updated_view(t->itrans);
array_create(&t->module_contexts, default_pool,
sizeof(void *), 5);
it->cache_view = mail_cache_view_open(box->cache, t->view);
it->cache_trans = mail_cache_get_transaction(it->cache_view, t->itrans);
/* set up after mail_cache_get_transaction(), so that we'll still
have the cache_trans available in _index_commit() */
it->super = t->itrans->v;
t->itrans->v.commit = index_transaction_index_commit;
t->itrans->v.rollback = index_transaction_index_rollback;
MODULE_CONTEXT_SET(t->itrans, mail_storage_mail_index_module, it);
}
void index_transaction_init_pvt(struct mailbox_transaction_context *t)
{
enum mail_index_transaction_flags itrans_flags;
if (t->box->view_pvt == NULL || t->itrans_pvt != NULL)
return;
itrans_flags = index_transaction_flags_get(t->flags);
t->itrans_pvt = mail_index_transaction_begin(t->box->view_pvt,
itrans_flags);
t->view_pvt = mail_index_transaction_open_updated_view(t->itrans_pvt);
}
static int
index_list_update(struct index_mailbox_list *ilist, struct mailbox *box,
struct mail_index_view *view, uint32_t seq,
const struct mailbox_status *status)
{
struct index_list_mailbox *ibox = INDEX_LIST_STORAGE_CONTEXT(box);
struct mail_index_transaction *trans;
struct mail_index_transaction_commit_result result;
const void *data;
const uint32_t *counter_p;
uint32_t *ext_id_p;
unsigned int i;
bool expunged;
int ret = 0;
trans = mail_index_transaction_begin(view,
MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL);
/* update counters */
for (i = 0; index_list_map[i].name != NULL; i++) {
ext_id_p = PTR_OFFSET(ilist, index_list_map[i].eid_offset);
mail_index_lookup_ext(view, seq, *ext_id_p, &data, &expunged);
if (expunged) {
ret = -1;
break;
}
counter_p = CONST_PTR_OFFSET(status,
index_list_map[i].status_offset);
if (data == NULL ||
*(const uint32_t *)data != *counter_p) {
mail_index_update_ext(trans, seq, *ext_id_p,
counter_p, NULL);
}
}
if (box->v.list_index_update_sync(box, trans, seq) < 0)
ret = -1;
if (ret < 0) {
mail_index_transaction_rollback(&trans);
return -1;
}
if (mail_index_transaction_commit_full(&trans, &result) < 0)
return -1;
ibox->log_seq = result.log_file_seq;
ibox->log_offset = result.log_file_offset;
return 0;
}
static void imapc_mailbox_init_delayed_trans(struct imapc_mailbox *mbox)
{
if (mbox->delayed_sync_trans != NULL)
return;
i_assert(mbox->delayed_sync_cache_view == NULL);
i_assert(mbox->delayed_sync_cache_trans == NULL);
mbox->delayed_sync_trans =
mail_index_transaction_begin(imapc_mailbox_get_sync_view(mbox),
MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL);
mbox->delayed_sync_view =
mail_index_transaction_open_updated_view(mbox->delayed_sync_trans);
mbox->delayed_sync_cache_view =
mail_cache_view_open(mbox->box.cache, mbox->delayed_sync_view);
mbox->delayed_sync_cache_trans =
mail_cache_get_transaction(mbox->delayed_sync_cache_view,
mbox->delayed_sync_trans);
}
static int imapc_mailbox_commit_delayed_expunges(struct imapc_mailbox *mbox)
{
struct mail_index_view *view = imapc_mailbox_get_sync_view(mbox);
struct mail_index_transaction *trans;
struct seq_range_iter iter;
unsigned int n;
uint32_t lseq, uid;
int ret;
trans = mail_index_transaction_begin(view,
MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL);
seq_range_array_iter_init(&iter, &mbox->delayed_expunged_uids); n = 0;
while (seq_range_array_iter_nth(&iter, n++, &uid)) {
if (mail_index_lookup_seq(view, uid, &lseq))
mail_index_expunge(trans, lseq);
}
array_clear(&mbox->delayed_expunged_uids);
ret = mail_index_transaction_commit(&trans);
if (ret < 0)
mailbox_set_index_error(&mbox->box);
return ret;
}
static int dbox_sync_mark_expunges(struct mdbox_sync_context *ctx)
{
enum mail_index_transaction_flags flags =
MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL;
struct mailbox *box = &ctx->mbox->box;
struct mail_index_transaction *trans;
struct seq_range_iter iter;
unsigned int n;
const void *data;
uint32_t seq, uid;
/* use a separate transaction here so that we can commit the changes
during map transaction */
trans = mail_index_transaction_begin(ctx->sync_view, flags);
seq_range_array_iter_init(&iter, &ctx->expunged_seqs); n = 0;
while (seq_range_array_iter_nth(&iter, n++, &seq)) {
mail_index_lookup_uid(ctx->sync_view, seq, &uid);
mail_index_lookup_ext(ctx->sync_view, seq,
ctx->mbox->guid_ext_id, &data, NULL);
mail_index_expunge_guid(trans, seq, data);
}
if (mail_index_transaction_commit(&trans) < 0)
return -1;
if (box->v.sync_notify != NULL) {
/* do notifications after commit finished successfully */
box->tmp_sync_view = ctx->sync_view;
seq_range_array_iter_init(&iter, &ctx->expunged_seqs); n = 0;
while (seq_range_array_iter_nth(&iter, n++, &seq)) {
mail_index_lookup_uid(ctx->sync_view, seq, &uid);
box->v.sync_notify(box, uid, MAILBOX_SYNC_TYPE_EXPUNGE);
}
box->tmp_sync_view = NULL;
}
return 0;
}
static int
mdbox_deleted_mailbox_create_indexes(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;
uint32_t uid_validity = ioloop_time;
uint32_t uid_next = 1;
if (update != NULL && update->uid_validity != 0)
uid_validity = update->uid_validity;
if (trans == NULL) {
new_trans = mail_index_transaction_begin(box->view, 0);
trans = new_trans;
}
mail_index_update_header(trans,
offsetof(struct mail_index_header, uid_validity),
&uid_validity, sizeof(uid_validity), TRUE);
mail_index_update_header(trans,
offsetof(struct mail_index_header, next_uid),
&uid_next, sizeof(uid_next), TRUE);
mbox->creating = TRUE;
mdbox_update_header(mbox, trans, update);
mbox->creating = FALSE;
if (new_trans != NULL) {
if (mail_index_transaction_commit(&new_trans) < 0) {
mailbox_set_index_error(box);
return -1;
}
}
return 0;
}
