static bool dsync_brain_master_sync_recv_mailbox(struct dsync_brain *brain)
{
const struct dsync_mailbox *dsync_box;
enum dsync_ibc_recv_ret ret;
bool resync;
i_assert(brain->master_brain);
if ((ret = dsync_ibc_recv_mailbox(brain->ibc, &dsync_box)) == 0)
return FALSE;
if (ret == DSYNC_IBC_RECV_RET_FINISHED) {
i_error("Remote sent end-of-list instead of a mailbox");
brain->failed = TRUE;
return TRUE;
}
if (memcmp(dsync_box->mailbox_guid, brain->local_dsync_box.mailbox_guid,
sizeof(dsync_box->mailbox_guid)) != 0) {
i_error("Remote sent mailbox with a wrong GUID");
brain->failed = TRUE;
return TRUE;
}
if (dsync_box->mailbox_lost) {
/* remote lost the mailbox. it's probably already deleted, but
verify it on next sync just to be sure */
brain->changes_during_sync = TRUE;
brain->require_full_resync = TRUE;
dsync_brain_sync_mailbox_deinit(brain);
return TRUE;
}
resync = !dsync_brain_mailbox_update_pre(brain, brain->box,
&brain->local_dsync_box,
dsync_box);
if (!dsync_boxes_need_sync(brain, &brain->local_dsync_box, dsync_box)) {
/* no fields appear to have changed, skip this mailbox */
dsync_brain_sync_mailbox_deinit(brain);
return TRUE;
}
if ((ret = dsync_brain_sync_mailbox_open(brain, dsync_box)) < 0)
return TRUE;
if (ret == 0 || resync) {
brain->changes_during_sync = TRUE;
brain->require_full_resync = TRUE;
brain->failed = TRUE;
dsync_brain_sync_mailbox_deinit(brain);
return TRUE;
}
dsync_brain_sync_init_box_states(brain);
return TRUE;
}
bool dsync_brain_slave_recv_mailbox(struct dsync_brain *brain)
{
const struct dsync_mailbox *dsync_box;
struct dsync_mailbox local_dsync_box;
struct mailbox *box;
int ret;
i_assert(!brain->master_brain);
i_assert(brain->box == NULL);
if ((ret = dsync_ibc_recv_mailbox(brain->ibc, &dsync_box)) == 0)
return FALSE;
if (ret < 0) {
brain->state = DSYNC_STATE_DONE;
return TRUE;
}
if (dsync_brain_mailbox_alloc(brain, dsync_box->mailbox_guid, &box) < 0) {
i_assert(brain->failed);
return TRUE;
}
if (box == NULL) {
/* mailbox was probably deleted/renamed during sync */
//FIXME: verify this from log, and if not log an error.
brain->changes_during_sync = TRUE;
dsync_brain_slave_send_mailbox_lost(brain, dsync_box);
return TRUE;
}
if (mailbox_sync(box, MAILBOX_SYNC_FLAG_FULL_READ) < 0) {
i_error("Can't sync mailbox %s: %s",
mailbox_get_vname(box),
mailbox_get_last_error(box, NULL));
mailbox_free(&box);
brain->failed = TRUE;
return TRUE;
}
if ((ret = dsync_box_get(box, &local_dsync_box)) <= 0) {
mailbox_free(&box);
if (ret < 0) {
brain->failed = TRUE;
return TRUE;
}
/* another process just deleted this mailbox? */
dsync_brain_slave_send_mailbox_lost(brain, dsync_box);
return TRUE;
}
i_assert(local_dsync_box.uid_validity != 0);
i_assert(memcmp(dsync_box->mailbox_guid, local_dsync_box.mailbox_guid,
sizeof(dsync_box->mailbox_guid)) == 0);
dsync_ibc_send_mailbox(brain->ibc, &local_dsync_box);
dsync_brain_mailbox_update_pre(brain, box, &local_dsync_box, dsync_box);
if (brain->sync_type == DSYNC_BRAIN_SYNC_TYPE_CHANGED &&
!dsync_boxes_need_sync(&local_dsync_box, dsync_box)) {
/* no fields appear to have changed, skip this mailbox */
mailbox_free(&box);
return TRUE;
}
/* start export/import */
dsync_brain_sync_mailbox_init(brain, box, &local_dsync_box, FALSE);
if (dsync_brain_sync_mailbox_open(brain, dsync_box) < 0)
return TRUE;
brain->state = DSYNC_STATE_SYNC_MAILS;
return TRUE;
}
bool dsync_brain_slave_recv_mailbox(struct dsync_brain *brain)
{
const struct dsync_mailbox *dsync_box;
struct dsync_mailbox local_dsync_box;
struct mailbox *box;
const char *error;
int ret;
i_assert(!brain->master_brain);
i_assert(brain->box == NULL);
if ((ret = dsync_ibc_recv_mailbox(brain->ibc, &dsync_box)) == 0)
return FALSE;
if (ret < 0) {
brain->state = DSYNC_STATE_DONE;
return TRUE;
}
if (dsync_brain_mailbox_alloc(brain, dsync_box->mailbox_guid,
&box, &error) < 0) {
i_error("Couldn't allocate mailbox GUID %s: %s",
guid_128_to_string(dsync_box->mailbox_guid), error);
i_assert(brain->failed);
return TRUE;
}
if (box == NULL) {
/* mailbox was probably deleted/renamed during sync */
if (brain->backup_send && brain->no_backup_overwrite) {
if (brain->debug) {
i_debug("brain %c: Ignore nonexistent "
"mailbox GUID %s with -1 sync",
brain->master_brain ? 'M' : 'S',
guid_128_to_string(dsync_box->mailbox_guid));
}
dsync_brain_slave_send_mailbox_lost(brain, dsync_box);
return TRUE;
}
//FIXME: verify this from log, and if not log an error.
if (brain->debug) {
i_debug("brain %c: Change during sync: "
"Mailbox GUID %s was lost",
brain->master_brain ? 'M' : 'S',
guid_128_to_string(dsync_box->mailbox_guid));
}
brain->changes_during_sync = TRUE;
dsync_brain_slave_send_mailbox_lost(brain, dsync_box);
return TRUE;
}
if (mailbox_sync(box, MAILBOX_SYNC_FLAG_FULL_READ) < 0) {
i_error("Can't sync mailbox %s: %s",
mailbox_get_vname(box),
mailbox_get_last_error(box, NULL));
mailbox_free(&box);
brain->failed = TRUE;
return TRUE;
}
if ((ret = dsync_box_get(box, &local_dsync_box)) <= 0) {
mailbox_free(&box);
if (ret < 0) {
brain->failed = TRUE;
return TRUE;
}
/* another process just deleted this mailbox? */
dsync_brain_slave_send_mailbox_lost(brain, dsync_box);
return TRUE;
}
i_assert(local_dsync_box.uid_validity != 0);
i_assert(memcmp(dsync_box->mailbox_guid, local_dsync_box.mailbox_guid,
sizeof(dsync_box->mailbox_guid)) == 0);
dsync_ibc_send_mailbox(brain->ibc, &local_dsync_box);
dsync_brain_mailbox_update_pre(brain, box, &local_dsync_box, dsync_box);
if (!dsync_boxes_need_sync(brain, &local_dsync_box, dsync_box)) {
/* no fields appear to have changed, skip this mailbox */
mailbox_free(&box);
return TRUE;
}
/* start export/import */
dsync_brain_sync_mailbox_init(brain, box, &local_dsync_box, FALSE);
if (dsync_brain_sync_mailbox_open(brain, dsync_box) < 0)
return TRUE;
brain->state = DSYNC_STATE_SYNC_MAILS;
return TRUE;
}