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dendrite/syncapi/consumers/eduserver_typing.go
Neil Alexander b5a8935042
Sync refactor — Part 1 (#1688)
* It's half-alive

* Wakeups largely working

* Other tweaks, typing works

* Fix bugs, add receipt stream

* Delete notifier, other tweaks

* Dedupe a bit, add a template for the invite stream

* Clean up, add templates for other streams

* Don't leak channels

* Bring forward some more PDU logic, clean up other places

* Add some more wakeups

* Use addRoomDeltaToResponse

* Log tweaks, typing fixed?

* Fix timed out syncs

* Don't reset next batch position on timeout

* Add account data stream/position

* End of day

* Fix complete sync for receipt, typing

* Streams package

* Clean up a bit

* Complete sync send-to-device

* Don't drop errors

* More lightweight notifications

* Fix typing positions

* Don't advance position on remove again unless needed

* Device list updates

* Advance account data position

* Use limit for incremental sync

* Limit fixes, amongst other things

* Remove some fmt.Println

* Tweaks

* Re-add notifier

* Fix invite position

* Fixes

* Notify account data without advancing PDU position in notifier

* Apply account data position

* Get initial position for account data

* Fix position update

* Fix complete sync positions

* Review comments @Kegsay

* Room consumer parameters
2021-01-08 16:59:06 +00:00

108 lines
3.4 KiB
Go

// Copyright 2019 Alex Chen
//
// 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 (
"encoding/json"
"github.com/Shopify/sarama"
"github.com/matrix-org/dendrite/eduserver/api"
"github.com/matrix-org/dendrite/eduserver/cache"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/dendrite/syncapi/notifier"
"github.com/matrix-org/dendrite/syncapi/storage"
"github.com/matrix-org/dendrite/syncapi/types"
log "github.com/sirupsen/logrus"
)
// OutputTypingEventConsumer consumes events that originated in the EDU server.
type OutputTypingEventConsumer struct {
typingConsumer *internal.ContinualConsumer
eduCache *cache.EDUCache
stream types.StreamProvider
notifier *notifier.Notifier
}
// NewOutputTypingEventConsumer creates a new OutputTypingEventConsumer.
// Call Start() to begin consuming from the EDU server.
func NewOutputTypingEventConsumer(
cfg *config.SyncAPI,
kafkaConsumer sarama.Consumer,
store storage.Database,
eduCache *cache.EDUCache,
notifier *notifier.Notifier,
stream types.StreamProvider,
) *OutputTypingEventConsumer {
consumer := internal.ContinualConsumer{
ComponentName: "syncapi/eduserver/typing",
Topic: string(cfg.Matrix.Kafka.TopicFor(config.TopicOutputTypingEvent)),
Consumer: kafkaConsumer,
PartitionStore: store,
}
s := &OutputTypingEventConsumer{
typingConsumer: &consumer,
eduCache: eduCache,
notifier: notifier,
stream: stream,
}
consumer.ProcessMessage = s.onMessage
return s
}
// Start consuming from EDU api
func (s *OutputTypingEventConsumer) Start() error {
s.eduCache.SetTimeoutCallback(func(userID, roomID string, latestSyncPosition int64) {
pos := types.StreamPosition(latestSyncPosition)
s.notifier.OnNewTyping(roomID, types.StreamingToken{TypingPosition: pos})
})
return s.typingConsumer.Start()
}
func (s *OutputTypingEventConsumer) onMessage(msg *sarama.ConsumerMessage) error {
var output api.OutputTypingEvent
if err := json.Unmarshal(msg.Value, &output); err != nil {
// If the message was invalid, log it and move on to the next message in the stream
log.WithError(err).Errorf("EDU server output log: message parse failure")
return nil
}
log.WithFields(log.Fields{
"room_id": output.Event.RoomID,
"user_id": output.Event.UserID,
"typing": output.Event.Typing,
}).Debug("received data from EDU server")
var typingPos types.StreamPosition
typingEvent := output.Event
if typingEvent.Typing {
typingPos = types.StreamPosition(
s.eduCache.AddTypingUser(typingEvent.UserID, typingEvent.RoomID, output.ExpireTime),
)
} else {
typingPos = types.StreamPosition(
s.eduCache.RemoveUser(typingEvent.UserID, typingEvent.RoomID),
)
}
s.stream.Advance(typingPos)
s.notifier.OnNewTyping(output.Event.RoomID, types.StreamingToken{TypingPosition: typingPos})
return nil
}