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Handle case where pendingPDUs might get out of sync for some reason

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This commit is contained in:
Neil Alexander 2020-07-08 15:42:36 +01:00
parent af6bc47f16
commit 2bb580c1b0
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GPG key ID: A02A2019A2BB0944
1 changed files with 11 additions and 1 deletions
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12
federationsender/queue/destinationqueue.go
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@ -349,7 +349,17 @@ func (oq *destinationQueue) nextTransaction(
// If we didn't get anything from the database and there are no
// pending EDUs then there's nothing to do - stop here.
if len(pdus) == 0 && len(pendingEDUs) == 0 {
log.Warnf("no pdus/edus for nextTransaction for destination %q", oq.destination)
log.Warnf("Expected PDUs/EDUs for destination %q but got none", oq.destination)
// This shouldn't really happen but since it has, let's check
// how many events are *really* in the database that are waiting.
if count, cerr := oq.db.GetPendingPDUCount(
context.TODO(),
oq.destination,
); cerr == nil {
oq.pendingPDUs.Store(count)
} else {
log.Warnf("Failed to retrieve pending PDU count for %q", oq.destination)
}
return false, nil
}