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Don't generate output events when rewriting forward extremities

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This commit is contained in:
Neil Alexander 2020-09-09 11:17:55 +01:00
parent fdb3480cc2
commit 3bc10f9674
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GPG key ID: A02A2019A2BB0944
4 changed files with 37 additions and 24 deletions
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4
roomserver/api/input.go
View file

@ -33,6 +33,10 @@ const (
// KindBackfill event extend the contiguous graph going backwards.
// They always have state.
KindBackfill = 3
// KindRewrite events are used to rewrite the head of the graph.
// They are used in state, forward extremity and membership updates
// but are not sent as output events.
KindRewrite = 4
)
// DoNotSendToOtherServers tells us not to send the event to other matrix

2
roomserver/api/wrapper.go
View file

@ -76,7 +76,7 @@ func SendEventWithState(
continue
}
ires = append(ires, InputRoomEvent{
Kind: KindNew,
Kind: KindRewrite,
Event: stateEvent.Headered(event.RoomVersion),
AuthEventIDs: stateEvent.AuthEventIDs(),
HasState: true,

1
roomserver/internal/input/input_events.go
View file

@ -114,6 +114,7 @@ func (r *Inputer) processRoomEvent(
event, // event
input.SendAsServer, // send as server
input.TransactionID, // transaction ID
input.Kind == api.KindNew, // should we send output events?
); err != nil {
return "", fmt.Errorf("r.updateLatestEvents: %w", err)
}

10
roomserver/internal/input/input_latest_events.go
View file

@ -54,6 +54,7 @@ func (r *Inputer) updateLatestEvents(
event gomatrixserverlib.Event,
sendAsServer string,
transactionID *api.TransactionID,
sendOutput bool,
) (err error) {
updater, err := r.DB.GetLatestEventsForUpdate(ctx, *roomInfo)
if err != nil {
@ -71,6 +72,7 @@ func (r *Inputer) updateLatestEvents(
event: event,
sendAsServer: sendAsServer,
transactionID: transactionID,
sendOutput: sendOutput,
}
if err = u.doUpdateLatestEvents(); err != nil {
@ -93,6 +95,7 @@ type latestEventsUpdater struct {
stateAtEvent types.StateAtEvent
event gomatrixserverlib.Event
transactionID *api.TransactionID
sendOutput bool
// Which server to send this event as.
sendAsServer string
// The eventID of the event that was processed before this one.
@ -178,7 +181,9 @@ func (u *latestEventsUpdater) doUpdateLatestEvents() error {
return fmt.Errorf("u.api.updateMemberships: %w", err)
}
update, err := u.makeOutputNewRoomEvent()
if u.sendOutput {
var update *api.OutputEvent
update, err = u.makeOutputNewRoomEvent()
if err != nil {
return fmt.Errorf("u.makeOutputNewRoomEvent: %w", err)
}
@ -195,14 +200,17 @@ func (u *latestEventsUpdater) doUpdateLatestEvents() error {
if err = u.api.WriteOutputEvents(u.event.RoomID(), updates); err != nil {
return fmt.Errorf("u.api.WriteOutputEvents: %w", err)
}
}
if err = u.updater.SetLatestEvents(u.roomInfo.RoomNID, u.latest, u.stateAtEvent.EventNID, u.newStateNID); err != nil {
return fmt.Errorf("u.updater.SetLatestEvents: %w", err)
}
if u.sendOutput {
if err = u.updater.MarkEventAsSent(u.stateAtEvent.EventNID); err != nil {
return fmt.Errorf("u.updater.MarkEventAsSent: %w", err)
}
}
return nil
}