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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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7
syncapi/consumers/keychange.go
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@ -75,12 +75,13 @@ func NewOutputKeyChangeEventConsumer(
// Start consuming from the key server
func (s *OutputKeyChangeEventConsumer) Start() error {
return jetstream.JetStreamConsumer(
s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
nats.DeliverAll(), nats.ManualAck(),
s.ctx, s.jetstream, s.topic, s.durable, 1,
s.onMessage, nats.DeliverAll(), nats.ManualAck(),
)
}
func (s *OutputKeyChangeEventConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
func (s *OutputKeyChangeEventConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
msg := msgs[0] // Guaranteed to exist if onMessage is called
var m api.DeviceMessage
if err := json.Unmarshal(msg.Data, &m); err != nil {
logrus.WithError(err).Errorf("failed to read device message from key change topic")