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Allow batching in JetStreamConsumer (#2686)

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This allows us to receive more than one message from NATS at a time if we want.
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Neil Alexander 2022-08-31 12:21:56 +01:00 • committed by GitHub
parent ba0b3adab4
commit 175f65407a
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19 changed files with 88 additions and 55 deletions
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5
federationapi/consumers/presence.go
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@ -69,14 +69,15 @@ func (t *OutputPresenceConsumer) Start() error {
return nil
}
return jetstream.JetStreamConsumer(
t.ctx, t.jetstream, t.topic, t.durable, t.onMessage,
t.ctx, t.jetstream, t.topic, t.durable, 1, t.onMessage,
nats.DeliverAll(), nats.ManualAck(), nats.HeadersOnly(),
)
}
// onMessage is called in response to a message received on the presence
// events topic from the client api.
func (t *OutputPresenceConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
func (t *OutputPresenceConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
msg := msgs[0] // Guaranteed to exist if onMessage is called
// only send presence events which originated from us
userID := msg.Header.Get(jetstream.UserID)
_, serverName, err := gomatrixserverlib.SplitID('@', userID)