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Use pull consumers (#2140)

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* Pull consumers

* Pull consumers

* Only nuke consumers if they are push consumers

* Clean up old consumers

* Better error handling

* Update comments
This commit is contained in:
Neil Alexander 2022-02-02 13:32:48 +00:00 • committed by GitHub
parent 2dee706f9e
commit c773b038bb
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11 changed files with 521 additions and 459 deletions
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70
syncapi/consumers/eduserver_typing.go
View file

@ -35,7 +35,7 @@ import (
type OutputTypingEventConsumer struct {
ctx context.Context
jetstream nats.JetStreamContext
durable nats.SubOpt
durable string
topic string
eduCache *cache.EDUCache
stream types.StreamProvider
@ -66,41 +66,41 @@ func NewOutputTypingEventConsumer(
// Start consuming from EDU api
func (s *OutputTypingEventConsumer) Start() error {
_, err := s.jetstream.Subscribe(s.topic, s.onMessage, s.durable)
return err
return jetstream.JetStreamConsumer(
s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
nats.DeliverAll(), nats.ManualAck(),
)
}
func (s *OutputTypingEventConsumer) onMessage(msg *nats.Msg) {
jetstream.WithJetStreamMessage(msg, func(msg *nats.Msg) bool {
var output api.OutputTypingEvent
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("EDU server output log: message parse failure")
sentry.CaptureException(err)
return true
}
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})
func (s *OutputTypingEventConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
var output api.OutputTypingEvent
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("EDU server output log: message parse failure")
sentry.CaptureException(err)
return true
})
}
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 true
}