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More aggressive event caching

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Neil Alexander 2021-06-29 13:28:29 +01:00
parent e2b6a90d90
commit 7c03546a9e
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1 changed files with 14 additions and 0 deletions
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14
federationapi/routing/send.go
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@ -985,6 +985,12 @@ func (t *txnReq) getMissingEvents(ctx context.Context, e *gomatrixserverlib.Even
// For now, we do not allow Case B, so reject the event.
logger.Infof("get_missing_events returned %d events", len(missingResp.Events))
// Make sure events from the missingResp are using the cache - missing events
// will be added and duplicates will be removed.
for i, ev := range missingResp.Events {
missingResp.Events[i] = t.cacheAndReturn(ev.Headered(roomVersion)).Unwrap()
}
// topologically sort and sanity check that we are making forward progress
newEvents = gomatrixserverlib.ReverseTopologicalOrdering(missingResp.Events, gomatrixserverlib.TopologicalOrderByPrevEvents)
shouldHaveSomeEventIDs := e.PrevEventIDs()
@ -1023,6 +1029,13 @@ func (t *txnReq) lookupMissingStateViaState(ctx context.Context, roomID, eventID
if err := state.Check(ctx, t.keys, nil); err != nil {
return nil, err
}
// Cache the results of this state lookup.
for _, ev := range state.AuthEvents {
t.cacheAndReturn(ev.Headered(roomVersion))
}
for _, ev := range state.StateEvents {
t.cacheAndReturn(ev.Headered(roomVersion))
}
return &state, nil
}
@ -1222,6 +1235,7 @@ func (t *txnReq) lookupEvent(ctx context.Context, roomVersion gomatrixserverlib.
return nil, verifySigError{event.EventID(), err}
}
h := event.Headered(roomVersion)
t.cacheAndReturn(h)
t.newEventsMutex.Lock()
t.newEvents[h.EventID()] = true
t.newEventsMutex.Unlock()