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Move room mutex in federation API (#1830)

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* Move room mutex in federation API to surround resolveStatesAndCheck

* Guard processEventWithMissingState instead

* Revert "Guard processEventWithMissingState instead"

This reverts commit 0ce88036aa79b0ce97e967afb70fe932a547d5f0.
This commit is contained in:
Neil Alexander 2021-04-13 11:13:07 +01:00 committed by GitHub
parent e08942fb00
commit 080ae6a829
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1 changed files with 2 additions and 2 deletions
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4
federationapi/routing/send.go
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@ -498,8 +498,6 @@ func (t *txnReq) getServers(ctx context.Context, roomID string) []gomatrixserver
}
func (t *txnReq) processEvent(ctx context.Context, e *gomatrixserverlib.Event) error {
t.roomsMu.Lock(e.RoomID())
defer t.roomsMu.Unlock(e.RoomID())
logger := util.GetLogger(ctx).WithField("event_id", e.EventID()).WithField("room_id", e.RoomID())
t.work = "" // reset from previous event
@ -718,7 +716,9 @@ func (t *txnReq) processEventWithMissingState(
respStates[i] = states[i].RespState
}
// There's more than one previous state - run them all through state res
t.roomsMu.Lock(e.RoomID())
resolvedState, err = t.resolveStatesAndCheck(gmectx, roomVersion, respStates, backwardsExtremity)
t.roomsMu.Unlock(e.RoomID())
if err != nil {
util.GetLogger(ctx).WithError(err).Errorf("Failed to resolve state conflicts for event %s", backwardsExtremity.EventID())
return err