mirror of
https://github.com/1f349/dendrite.git
synced 2024-11-22 19:51:39 +00:00
6348486a13
This should transactional snapshot isolation for `/sync` etc requests. For now we don't use repeatable read due to some odd test failures with invites.
114 lines
3.7 KiB
Go
114 lines
3.7 KiB
Go
// Copyright 2017 Vector Creations Ltd
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package consumers
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
|
|
"github.com/getsentry/sentry-go"
|
|
"github.com/nats-io/nats.go"
|
|
log "github.com/sirupsen/logrus"
|
|
|
|
"github.com/matrix-org/dendrite/internal/eventutil"
|
|
"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/dendrite/syncapi/notifier"
|
|
"github.com/matrix-org/dendrite/syncapi/storage"
|
|
"github.com/matrix-org/dendrite/syncapi/streams"
|
|
"github.com/matrix-org/dendrite/syncapi/types"
|
|
)
|
|
|
|
// OutputNotificationDataConsumer consumes events that originated in
|
|
// the Push server.
|
|
type OutputNotificationDataConsumer struct {
|
|
ctx context.Context
|
|
jetstream nats.JetStreamContext
|
|
durable string
|
|
topic string
|
|
db storage.Database
|
|
notifier *notifier.Notifier
|
|
stream streams.StreamProvider
|
|
}
|
|
|
|
// NewOutputNotificationDataConsumer creates a new consumer. Call
|
|
// Start() to begin consuming.
|
|
func NewOutputNotificationDataConsumer(
|
|
process *process.ProcessContext,
|
|
cfg *config.SyncAPI,
|
|
js nats.JetStreamContext,
|
|
store storage.Database,
|
|
notifier *notifier.Notifier,
|
|
stream streams.StreamProvider,
|
|
) *OutputNotificationDataConsumer {
|
|
s := &OutputNotificationDataConsumer{
|
|
ctx: process.Context(),
|
|
jetstream: js,
|
|
durable: cfg.Matrix.JetStream.Durable("SyncAPINotificationDataConsumer"),
|
|
topic: cfg.Matrix.JetStream.Prefixed(jetstream.OutputNotificationData),
|
|
db: store,
|
|
notifier: notifier,
|
|
stream: stream,
|
|
}
|
|
return s
|
|
}
|
|
|
|
// Start starts consumption.
|
|
func (s *OutputNotificationDataConsumer) Start() error {
|
|
return jetstream.JetStreamConsumer(
|
|
s.ctx, s.jetstream, s.topic, s.durable, 1,
|
|
s.onMessage, nats.DeliverAll(), nats.ManualAck(),
|
|
)
|
|
}
|
|
|
|
// onMessage is called when the Sync server receives a new event from
|
|
// the push server. It is not safe for this function to be called from
|
|
// multiple goroutines, or else the sync stream position may race and
|
|
// be incorrectly calculated.
|
|
func (s *OutputNotificationDataConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
|
|
msg := msgs[0] // Guaranteed to exist if onMessage is called
|
|
userID := string(msg.Header.Get(jetstream.UserID))
|
|
|
|
// Parse out the event JSON
|
|
var data eventutil.NotificationData
|
|
if err := json.Unmarshal(msg.Data, &data); err != nil {
|
|
sentry.CaptureException(err)
|
|
log.WithField("user_id", userID).WithError(err).Error("user API consumer: message parse failure")
|
|
return true
|
|
}
|
|
|
|
streamPos, err := s.db.UpsertRoomUnreadNotificationCounts(ctx, userID, data.RoomID, data.UnreadNotificationCount, data.UnreadHighlightCount)
|
|
if err != nil {
|
|
sentry.CaptureException(err)
|
|
log.WithFields(log.Fields{
|
|
"user_id": userID,
|
|
"room_id": data.RoomID,
|
|
}).WithError(err).Error("Could not save notification counts")
|
|
return false
|
|
}
|
|
|
|
s.stream.Advance(streamPos)
|
|
s.notifier.OnNewNotificationData(userID, types.StreamingToken{NotificationDataPosition: streamPos})
|
|
|
|
log.WithFields(log.Fields{
|
|
"user_id": userID,
|
|
"room_id": data.RoomID,
|
|
"streamPos": streamPos,
|
|
}).Trace("Received notification data from user API")
|
|
|
|
return true
|
|
}
|