mirror of
https://github.com/matrix-org/dendrite
synced 2024-12-14 05:53:48 +01:00
c773b038bb
* Pull consumers * Pull consumers * Only nuke consumers if they are push consumers * Clean up old consumers * Better error handling * Update comments
107 lines
3.5 KiB
Go
107 lines
3.5 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/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/types"
|
|
"github.com/nats-io/nats.go"
|
|
log "github.com/sirupsen/logrus"
|
|
)
|
|
|
|
// OutputClientDataConsumer consumes events that originated in the client API server.
|
|
type OutputClientDataConsumer struct {
|
|
ctx context.Context
|
|
jetstream nats.JetStreamContext
|
|
durable string
|
|
topic string
|
|
db storage.Database
|
|
stream types.StreamProvider
|
|
notifier *notifier.Notifier
|
|
}
|
|
|
|
// NewOutputClientDataConsumer creates a new OutputClientData consumer. Call Start() to begin consuming from room servers.
|
|
func NewOutputClientDataConsumer(
|
|
process *process.ProcessContext,
|
|
cfg *config.SyncAPI,
|
|
js nats.JetStreamContext,
|
|
store storage.Database,
|
|
notifier *notifier.Notifier,
|
|
stream types.StreamProvider,
|
|
) *OutputClientDataConsumer {
|
|
return &OutputClientDataConsumer{
|
|
ctx: process.Context(),
|
|
jetstream: js,
|
|
topic: cfg.Matrix.JetStream.TopicFor(jetstream.OutputClientData),
|
|
durable: cfg.Matrix.JetStream.Durable("SyncAPIClientAPIConsumer"),
|
|
db: store,
|
|
notifier: notifier,
|
|
stream: stream,
|
|
}
|
|
}
|
|
|
|
// Start consuming from room servers
|
|
func (s *OutputClientDataConsumer) Start() error {
|
|
return jetstream.JetStreamConsumer(
|
|
s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
|
|
nats.DeliverAll(), nats.ManualAck(),
|
|
)
|
|
}
|
|
|
|
// onMessage is called when the sync server receives a new event from the client API server output log.
|
|
// 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 *OutputClientDataConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
|
|
// Parse out the event JSON
|
|
userID := msg.Header.Get(jetstream.UserID)
|
|
var output eventutil.AccountData
|
|
if err := json.Unmarshal(msg.Data, &output); err != nil {
|
|
// If the message was invalid, log it and move on to the next message in the stream
|
|
log.WithError(err).Errorf("client API server output log: message parse failure")
|
|
sentry.CaptureException(err)
|
|
return true
|
|
}
|
|
|
|
log.WithFields(log.Fields{
|
|
"type": output.Type,
|
|
"room_id": output.RoomID,
|
|
}).Debug("Received data from client API server")
|
|
|
|
streamPos, err := s.db.UpsertAccountData(
|
|
s.ctx, userID, output.RoomID, output.Type,
|
|
)
|
|
if err != nil {
|
|
sentry.CaptureException(err)
|
|
log.WithFields(log.Fields{
|
|
"type": output.Type,
|
|
"room_id": output.RoomID,
|
|
log.ErrorKey: err,
|
|
}).Panicf("could not save account data")
|
|
}
|
|
|
|
s.stream.Advance(streamPos)
|
|
s.notifier.OnNewAccountData(userID, types.StreamingToken{AccountDataPosition: streamPos})
|
|
|
|
return true
|
|
}
|