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Introduce a new stream for the appservice consumer (#3277)

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This introduces a new stream the syncAPI produces to once it processed a
`OutputRoomEvent` and the appservices consumes.
This is to work around a race condition where appservices receive an
event before the syncAPI has handled it, this can result in e.g. calls
to `/joined_members` returning a wrong membership list.
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Till 2023-12-12 12:13:55 +01:00 • committed by GitHub
parent 185ad6b00d
commit 1555b3542d
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6 changed files with 264 additions and 2 deletions
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9
syncapi/syncapi.go
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@ -100,9 +100,16 @@ func AddPublicRoutes(
logrus.WithError(err).Panicf("failed to start key change consumer")
}
var asProducer *producers.AppserviceEventProducer
if len(dendriteCfg.AppServiceAPI.Derived.ApplicationServices) > 0 {
asProducer = &producers.AppserviceEventProducer{
JetStream: js, Topic: dendriteCfg.Global.JetStream.Prefixed(jetstream.OutputAppserviceEvent),
}
}
roomConsumer := consumers.NewOutputRoomEventConsumer(
processContext, &dendriteCfg.SyncAPI, js, syncDB, notifier, streams.PDUStreamProvider,
streams.InviteStreamProvider, rsAPI, fts,
streams.InviteStreamProvider, rsAPI, fts, asProducer,
)
if err = roomConsumer.Start(); err != nil {
logrus.WithError(err).Panicf("failed to start room server consumer")