mirror of
https://github.com/1f349/dendrite.git
synced 2024-11-08 18:16:59 +00:00
Allow batching in JetStreamConsumer
(#2686)
This allows us to receive more than one message from NATS at a time if we want.
This commit is contained in:
parent
ba0b3adab4
commit
175f65407a
@ -68,14 +68,15 @@ func NewOutputRoomEventConsumer(
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// Start consuming from room servers
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func (s *OutputRoomEventConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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s.ctx, s.jetstream, s.topic, s.durable, 1,
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s.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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// onMessage is called when the appservice component receives a new event from
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// the room server output log.
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func (s *OutputRoomEventConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (s *OutputRoomEventConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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// Parse out the event JSON
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var output api.OutputEvent
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if err := json.Unmarshal(msg.Data, &output); err != nil {
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@ -67,14 +67,15 @@ func NewKeyChangeConsumer(
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// Start consuming from key servers
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func (t *KeyChangeConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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t.ctx, t.jetstream, t.topic, t.durable, t.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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t.ctx, t.jetstream, t.topic, t.durable, 1,
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t.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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// onMessage is called in response to a message received on the
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// key change events topic from the key server.
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func (t *KeyChangeConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (t *KeyChangeConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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var m api.DeviceMessage
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if err := json.Unmarshal(msg.Data, &m); err != nil {
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logrus.WithError(err).Errorf("failed to read device message from key change topic")
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@ -69,14 +69,15 @@ func (t *OutputPresenceConsumer) Start() error {
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return nil
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}
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return jetstream.JetStreamConsumer(
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t.ctx, t.jetstream, t.topic, t.durable, t.onMessage,
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t.ctx, t.jetstream, t.topic, t.durable, 1, t.onMessage,
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nats.DeliverAll(), nats.ManualAck(), nats.HeadersOnly(),
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)
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}
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// onMessage is called in response to a message received on the presence
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// events topic from the client api.
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func (t *OutputPresenceConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (t *OutputPresenceConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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// only send presence events which originated from us
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userID := msg.Header.Get(jetstream.UserID)
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_, serverName, err := gomatrixserverlib.SplitID('@', userID)
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@ -65,14 +65,15 @@ func NewOutputReceiptConsumer(
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// Start consuming from the clientapi
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func (t *OutputReceiptConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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t.ctx, t.jetstream, t.topic, t.durable, t.onMessage,
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t.ctx, t.jetstream, t.topic, t.durable, 1, t.onMessage,
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nats.DeliverAll(), nats.ManualAck(), nats.HeadersOnly(),
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)
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}
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// onMessage is called in response to a message received on the receipt
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// events topic from the client api.
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func (t *OutputReceiptConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (t *OutputReceiptConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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receipt := syncTypes.OutputReceiptEvent{
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UserID: msg.Header.Get(jetstream.UserID),
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RoomID: msg.Header.Get(jetstream.RoomID),
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@ -68,8 +68,8 @@ func NewOutputRoomEventConsumer(
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// Start consuming from room servers
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func (s *OutputRoomEventConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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s.ctx, s.jetstream, s.topic, s.durable, 1,
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s.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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@ -77,7 +77,8 @@ func (s *OutputRoomEventConsumer) Start() error {
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// It is unsafe to call this with messages for the same room in multiple gorountines
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// because updates it will likely fail with a types.EventIDMismatchError when it
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// realises that it cannot update the room state using the deltas.
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func (s *OutputRoomEventConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (s *OutputRoomEventConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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// Parse out the event JSON
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var output api.OutputEvent
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if err := json.Unmarshal(msg.Data, &output); err != nil {
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@ -63,14 +63,15 @@ func NewOutputSendToDeviceConsumer(
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// Start consuming from the client api
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func (t *OutputSendToDeviceConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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t.ctx, t.jetstream, t.topic, t.durable, t.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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t.ctx, t.jetstream, t.topic, t.durable, 1,
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t.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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// onMessage is called in response to a message received on the
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// send-to-device events topic from the client api.
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func (t *OutputSendToDeviceConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (t *OutputSendToDeviceConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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// only send send-to-device events which originated from us
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sender := msg.Header.Get("sender")
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_, originServerName, err := gomatrixserverlib.SplitID('@', sender)
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@ -62,14 +62,15 @@ func NewOutputTypingConsumer(
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// Start consuming from the clientapi
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func (t *OutputTypingConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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t.ctx, t.jetstream, t.topic, t.durable, t.onMessage,
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t.ctx, t.jetstream, t.topic, t.durable, 1, t.onMessage,
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nats.DeliverAll(), nats.ManualAck(), nats.HeadersOnly(),
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)
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}
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// onMessage is called in response to a message received on the typing
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// events topic from the client api.
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func (t *OutputTypingConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (t *OutputTypingConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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// Extract the typing event from msg.
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roomID := msg.Header.Get(jetstream.RoomID)
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userID := msg.Header.Get(jetstream.UserID)
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@ -55,14 +55,15 @@ func NewDeviceListUpdateConsumer(
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// Start consuming from key servers
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func (t *DeviceListUpdateConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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t.ctx, t.jetstream, t.topic, t.durable, t.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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t.ctx, t.jetstream, t.topic, t.durable, 1,
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t.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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// onMessage is called in response to a message received on the
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// key change events topic from the key server.
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func (t *DeviceListUpdateConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (t *DeviceListUpdateConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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var m gomatrixserverlib.DeviceListUpdateEvent
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if err := json.Unmarshal(msg.Data, &m); err != nil {
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logrus.WithError(err).Errorf("Failed to read from device list update input topic")
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@ -9,9 +9,16 @@ import (
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"github.com/sirupsen/logrus"
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)
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// JetStreamConsumer starts a durable consumer on the given subject with the
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// given durable name. The function will be called when one or more messages
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// is available, up to the maximum batch size specified. If the batch is set to
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// 1 then messages will be delivered one at a time. If the function is called,
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// the messages array is guaranteed to be at least 1 in size. Any provided NATS
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// options will be passed through to the pull subscriber creation. The consumer
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// will continue to run until the context expires, at which point it will stop.
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func JetStreamConsumer(
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ctx context.Context, js nats.JetStreamContext, subj, durable string,
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f func(ctx context.Context, msg *nats.Msg) bool,
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ctx context.Context, js nats.JetStreamContext, subj, durable string, batch int,
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f func(ctx context.Context, msgs []*nats.Msg) bool,
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opts ...nats.SubOpt,
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) error {
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defer func() {
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@ -27,6 +34,14 @@ func JetStreamConsumer(
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}
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}()
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// If the batch size is greater than 1, we will want to acknowledge all
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// received messages in the batch. Below we will send an acknowledgement
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// for the most recent message in the batch and AckAll will ensure that
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// all messages that came before it are also acknowledged implicitly.
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if batch > 1 {
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opts = append(opts, nats.AckAll())
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}
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name := durable + "Pull"
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sub, err := js.PullSubscribe(subj, name, opts...)
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if err != nil {
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@ -50,7 +65,7 @@ func JetStreamConsumer(
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// enforce its own deadline (roughly 5 seconds by default). Therefore
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// it is our responsibility to check whether our context expired or
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// not when a context error is returned. Footguns. Footguns everywhere.
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msgs, err := sub.Fetch(1, nats.Context(ctx))
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msgs, err := sub.Fetch(batch, nats.Context(ctx))
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if err != nil {
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if err == context.Canceled || err == context.DeadlineExceeded {
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// Work out whether it was the JetStream context that expired
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@ -74,13 +89,13 @@ func JetStreamConsumer(
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if len(msgs) < 1 {
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continue
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}
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msg := msgs[0]
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msg := msgs[len(msgs)-1] // most recent message, in case of AckAll
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if err = msg.InProgress(nats.Context(ctx)); err != nil {
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logrus.WithContext(ctx).WithField("subject", subj).Warn(fmt.Errorf("msg.InProgress: %w", err))
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sentry.CaptureException(err)
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continue
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}
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if f(ctx, msg) {
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if f(ctx, msgs) {
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if err = msg.AckSync(nats.Context(ctx)); err != nil {
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logrus.WithContext(ctx).WithField("subject", subj).Warn(fmt.Errorf("msg.AckSync: %w", err))
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sentry.CaptureException(err)
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@ -75,15 +75,16 @@ func NewOutputClientDataConsumer(
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// Start consuming from room servers
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func (s *OutputClientDataConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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s.ctx, s.jetstream, s.topic, s.durable, 1,
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s.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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// onMessage is called when the sync server receives a new event from the client API server output log.
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// It is not safe for this function to be called from multiple goroutines, or else the
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// sync stream position may race and be incorrectly calculated.
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func (s *OutputClientDataConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (s *OutputClientDataConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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// Parse out the event JSON
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userID := msg.Header.Get(jetstream.UserID)
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var output eventutil.AccountData
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@ -75,12 +75,13 @@ func NewOutputKeyChangeEventConsumer(
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// Start consuming from the key server
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func (s *OutputKeyChangeEventConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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s.ctx, s.jetstream, s.topic, s.durable, 1,
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s.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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func (s *OutputKeyChangeEventConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (s *OutputKeyChangeEventConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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var m api.DeviceMessage
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if err := json.Unmarshal(msg.Data, &m); err != nil {
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logrus.WithError(err).Errorf("failed to read device message from key change topic")
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@ -128,12 +128,13 @@ func (s *PresenceConsumer) Start() error {
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return nil
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}
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return jetstream.JetStreamConsumer(
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s.ctx, s.jetstream, s.presenceTopic, s.durable, s.onMessage,
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s.ctx, s.jetstream, s.presenceTopic, s.durable, 1, s.onMessage,
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nats.DeliverAll(), nats.ManualAck(), nats.HeadersOnly(),
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)
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}
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func (s *PresenceConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (s *PresenceConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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userID := msg.Header.Get(jetstream.UserID)
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presence := msg.Header.Get("presence")
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timestamp := msg.Header.Get("last_active_ts")
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@ -74,12 +74,13 @@ func NewOutputReceiptEventConsumer(
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// Start consuming receipts events.
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func (s *OutputReceiptEventConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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s.ctx, s.jetstream, s.topic, s.durable, 1,
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s.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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func (s *OutputReceiptEventConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (s *OutputReceiptEventConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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output := types.OutputReceiptEvent{
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UserID: msg.Header.Get(jetstream.UserID),
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RoomID: msg.Header.Get(jetstream.RoomID),
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@ -79,15 +79,16 @@ func NewOutputRoomEventConsumer(
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// Start consuming from room servers
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func (s *OutputRoomEventConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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s.ctx, s.jetstream, s.topic, s.durable, 1,
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s.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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// onMessage is called when the sync server receives a new event from the room server output log.
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// It is not safe for this function to be called from multiple goroutines, or else the
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// sync stream position may race and be incorrectly calculated.
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func (s *OutputRoomEventConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (s *OutputRoomEventConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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// Parse out the event JSON
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var err error
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var output api.OutputEvent
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@ -68,12 +68,13 @@ func NewOutputSendToDeviceEventConsumer(
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// Start consuming send-to-device events.
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func (s *OutputSendToDeviceEventConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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s.ctx, s.jetstream, s.topic, s.durable, 1,
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s.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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func (s *OutputSendToDeviceEventConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (s *OutputSendToDeviceEventConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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userID := msg.Header.Get(jetstream.UserID)
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_, domain, err := gomatrixserverlib.SplitID('@', userID)
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if err != nil {
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@ -64,12 +64,13 @@ func NewOutputTypingEventConsumer(
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// Start consuming typing events.
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func (s *OutputTypingEventConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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s.ctx, s.jetstream, s.topic, s.durable, 1,
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s.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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func (s *OutputTypingEventConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (s *OutputTypingEventConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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roomID := msg.Header.Get(jetstream.RoomID)
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userID := msg.Header.Get(jetstream.UserID)
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typing, err := strconv.ParseBool(msg.Header.Get("typing"))
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@ -67,8 +67,8 @@ func NewOutputNotificationDataConsumer(
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// Start starts consumption.
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func (s *OutputNotificationDataConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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s.ctx, s.jetstream, s.topic, s.durable, 1,
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s.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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@ -76,7 +76,8 @@ func (s *OutputNotificationDataConsumer) Start() error {
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// the push server. It is not safe for this function to be called from
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// multiple goroutines, or else the sync stream position may race and
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// be incorrectly calculated.
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func (s *OutputNotificationDataConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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func (s *OutputNotificationDataConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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userID := string(msg.Header.Get(jetstream.UserID))
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// Parse out the event JSON
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@ -56,15 +56,16 @@ func NewOutputReadUpdateConsumer(
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func (s *OutputReadUpdateConsumer) Start() error {
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if err := jetstream.JetStreamConsumer(
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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(),
|
||||
); err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s *OutputReadUpdateConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
|
||||
func (s *OutputReadUpdateConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
|
||||
msg := msgs[0] // Guaranteed to exist if onMessage is called
|
||||
var read types.ReadUpdate
|
||||
if err := json.Unmarshal(msg.Data, &read); err != nil {
|
||||
log.WithError(err).Error("userapi clientapi consumer: message parse failure")
|
||||
|
@ -65,15 +65,16 @@ func NewOutputStreamEventConsumer(
|
||||
|
||||
func (s *OutputStreamEventConsumer) Start() error {
|
||||
if err := 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(),
|
||||
); err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s *OutputStreamEventConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
|
||||
func (s *OutputStreamEventConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
|
||||
msg := msgs[0] // Guaranteed to exist if onMessage is called
|
||||
var output types.StreamedEvent
|
||||
output.Event = &gomatrixserverlib.HeaderedEvent{}
|
||||
if err := json.Unmarshal(msg.Data, &output); err != nil {
|
||||
|
Loading…
Reference in New Issue
Block a user