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Avoid unneeded JSON operations (#2698)

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We were `json.Unmarshal`ing the EDU and `json.Marshal`ing right before
sending the EDU to the stream. Those are now removed and the consumer
does `json.Unmarshal` once.
This commit is contained in:
Till 2022-09-07 12:16:04 +02:00 committed by GitHub
parent 4e352390b6
commit 7e8c605f98
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 31 additions and 39 deletions
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10
federationapi/producers/syncapi.go
View file

@ -167,15 +167,11 @@ func (p *SyncAPIProducer) SendPresence(
}
func (p *SyncAPIProducer) SendDeviceListUpdate(
ctx context.Context, deviceListUpdate *gomatrixserverlib.DeviceListUpdateEvent,
ctx context.Context, deviceListUpdate gomatrixserverlib.RawJSON, origin string,
) (err error) {
m := nats.NewMsg(p.TopicDeviceListUpdate)
m.Header.Set(jetstream.UserID, deviceListUpdate.UserID)
m.Data, err = json.Marshal(deviceListUpdate)
if err != nil {
return fmt.Errorf("json.Marshal: %w", err)
}
m.Header.Set("origin", origin)
m.Data = deviceListUpdate
log.Debugf("Sending device list update: %+v", m.Header)
_, err = p.JetStream.PublishMsg(m, nats.Context(ctx))
return err

22
federationapi/routing/send.go
View file

@ -359,7 +359,9 @@ func (t *txnReq) processEDUs(ctx context.Context) {
}
}
case gomatrixserverlib.MDeviceListUpdate:
t.processDeviceListUpdate(ctx, e)
if err := t.producer.SendDeviceListUpdate(ctx, e.Content, e.Origin); err != nil {
util.GetLogger(ctx).WithError(err).Error("failed to InputDeviceListUpdate")
}
case gomatrixserverlib.MReceipt:
// https://matrix.org/docs/spec/server_server/r0.1.4#receipts
payload := map[string]types.FederationReceiptMRead{}
@ -454,21 +456,3 @@ func (t *txnReq) processReceiptEvent(ctx context.Context,
return nil
}
func (t *txnReq) processDeviceListUpdate(ctx context.Context, e gomatrixserverlib.EDU) {
var payload gomatrixserverlib.DeviceListUpdateEvent
if err := json.Unmarshal(e.Content, &payload); err != nil {
util.GetLogger(ctx).WithError(err).Error("Failed to unmarshal device list update event")
return
}
if _, serverName, err := gomatrixserverlib.SplitID('@', payload.UserID); err != nil {
return
} else if serverName == t.ourServerName {
return
} else if serverName != t.Origin {
return
}
if err := t.producer.SendDeviceListUpdate(ctx, &payload); err != nil {
util.GetLogger(ctx).WithError(err).WithField("user_id", payload.UserID).Error("failed to InputDeviceListUpdate")
}
}

38
keyserver/consumers/devicelistupdate.go
View file

@ -18,22 +18,24 @@ import (
"context"
"encoding/json"
"github.com/matrix-org/gomatrixserverlib"
"github.com/nats-io/nats.go"
"github.com/sirupsen/logrus"
"github.com/matrix-org/dendrite/keyserver/internal"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/dendrite/setup/jetstream"
"github.com/matrix-org/dendrite/setup/process"
"github.com/matrix-org/gomatrixserverlib"
"github.com/nats-io/nats.go"
"github.com/sirupsen/logrus"
)
// DeviceListUpdateConsumer consumes device list updates that came in over federation.
type DeviceListUpdateConsumer struct {
ctx context.Context
jetstream nats.JetStreamContext
durable string
topic string
updater *internal.DeviceListUpdater
ctx context.Context
jetstream nats.JetStreamContext
durable string
topic string
updater *internal.DeviceListUpdater
serverName gomatrixserverlib.ServerName
}
// NewDeviceListUpdateConsumer creates a new DeviceListConsumer. Call Start() to begin consuming from key servers.
@ -44,11 +46,12 @@ func NewDeviceListUpdateConsumer(
updater *internal.DeviceListUpdater,
) *DeviceListUpdateConsumer {
return &DeviceListUpdateConsumer{
ctx: process.Context(),
jetstream: js,
durable: cfg.Matrix.JetStream.Prefixed("KeyServerInputDeviceListConsumer"),
topic: cfg.Matrix.JetStream.Prefixed(jetstream.InputDeviceListUpdate),
updater: updater,
ctx: process.Context(),
jetstream: js,
durable: cfg.Matrix.JetStream.Prefixed("KeyServerInputDeviceListConsumer"),
topic: cfg.Matrix.JetStream.Prefixed(jetstream.InputDeviceListUpdate),
updater: updater,
serverName: cfg.Matrix.ServerName,
}
}
@ -69,6 +72,15 @@ func (t *DeviceListUpdateConsumer) onMessage(ctx context.Context, msgs []*nats.M
logrus.WithError(err).Errorf("Failed to read from device list update input topic")
return true
}
origin := gomatrixserverlib.ServerName(msg.Header.Get("origin"))
if _, serverName, err := gomatrixserverlib.SplitID('@', m.UserID); err != nil {
return true
} else if serverName == t.serverName {
return true
} else if serverName != origin {
return true
}
err := t.updater.Update(ctx, m)
if err != nil {
logrus.WithFields(logrus.Fields{