dsync: Improve reason when logging "modseq .. no longer in transaction log"

Show the current highest, as well as the last common UID and the current
next UID. These can help to try to figure out problems.

diff --git a/src/doveadm/dsync/dsync-brain-mailbox.c b/src/doveadm/dsync/dsync-brain-mailbox.c
index f4faa34f87c92e751470b459a0cde0aa7fa5fac2..954a513dbb522c38fc572c1f9dcb62e220d11d81 100644 (file)
--- a/src/doveadm/dsync/dsync-brain-mailbox.c
+++ b/src/doveadm/dsync/dsync-brain-mailbox.c
@@ -269,22 +269,29 @@ int dsync_brain_sync_mailbox_open(struct dsync_brain *brain,
                brain->failed = TRUE;
                return -1;
        }
+
+       mailbox_get_open_status(brain->box, STATUS_UIDNEXT |
+                               STATUS_HIGHESTMODSEQ |
+                               STATUS_HIGHESTPVTMODSEQ, &status);
        if (ret == 0) {
                if (pvt_too_old) {
                        desync_reason = t_strdup_printf(
-                               "Private modseq %llu no longer in transaction log",
-                               (unsigned long long)last_common_pvt_modseq);
+                               "Private modseq %llu no longer in transaction log "
+                               "(highest=%"PRIu64", last_common_uid=%u, nextuid=%u)",
+                               (unsigned long long)last_common_pvt_modseq,
+                               status.highest_pvt_modseq, last_common_uid,
+                               status.uidnext);
                } else {
                        desync_reason = t_strdup_printf(
-                               "Modseq %llu no longer in transaction log",
-                               (unsigned long long)last_common_modseq);
+                               "Modseq %llu no longer in transaction log "
+                               "(highest=%"PRIu64", last_common_uid=%u, nextuid=%u)",
+                               (unsigned long long)last_common_modseq,
+                               status.highest_modseq, last_common_uid,
+                               status.uidnext);
                }
        }
 
        if (last_common_uid != 0) {
-               mailbox_get_open_status(brain->box, STATUS_UIDNEXT |
-                                       STATUS_HIGHESTMODSEQ |
-                                       STATUS_HIGHESTPVTMODSEQ, &status);
                /* if last_common_* is higher than our current ones it means
                   that the incremental sync state is stale and we need to do
                   a full resync */