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Mutex by room and origin

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Neil Alexander 2021-06-29 15:21:48 +01:00
parent de30ef10f4
commit 7779960c9d
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1 changed files with 5 additions and 0 deletions
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5
federationapi/routing/send.go
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@ -618,9 +618,14 @@ func checkAllowedByState(e *gomatrixserverlib.Event, stateEvents []*gomatrixserv
return gomatrixserverlib.Allowed(e, &authUsingState) return gomatrixserverlib.Allowed(e, &authUsingState)
} }
var processEventWithMissingStateMutexes = internal.NewMutexByRoom()
func (t *txnReq) processEventWithMissingState( func (t *txnReq) processEventWithMissingState(
ctx context.Context, e *gomatrixserverlib.Event, roomVersion gomatrixserverlib.RoomVersion, ctx context.Context, e *gomatrixserverlib.Event, roomVersion gomatrixserverlib.RoomVersion,
) error { ) error {
processEventWithMissingStateMutexes.Lock(string(t.Origin) + e.RoomID())
defer processEventWithMissingStateMutexes.Unlock(string(t.Origin) + e.RoomID())
// Do this with a fresh context, so that we keep working even if the // Do this with a fresh context, so that we keep working even if the
// original request times out. With any luck, by the time the remote // original request times out. With any luck, by the time the remote
// side retries, we'll have fetched the missing state. // side retries, we'll have fetched the missing state.