mirror of
https://github.com/1f349/dendrite.git
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49dc49b232
* Move receipt sending to own JetStream producer * Move SendToDevice to producer * Remove most parts of the EDU server * Fix SendToDevice & copyrights * Move structs, cleanup EDU Server traces * Use HeadersOnly subscription * Missing file * Fix linter issues * Move consumers to own files * Rename durable consumer; Consumer cleanup * Docs/config cleanup
110 lines
3.2 KiB
Go
110 lines
3.2 KiB
Go
// Copyright 2019 Alex Chen
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package consumers
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import (
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"context"
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"strconv"
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"time"
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"github.com/matrix-org/dendrite/internal/caching"
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"github.com/matrix-org/dendrite/setup/config"
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"github.com/matrix-org/dendrite/setup/jetstream"
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"github.com/matrix-org/dendrite/setup/process"
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"github.com/matrix-org/dendrite/syncapi/notifier"
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"github.com/matrix-org/dendrite/syncapi/types"
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"github.com/nats-io/nats.go"
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log "github.com/sirupsen/logrus"
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)
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// OutputTypingEventConsumer consumes events that originated in the EDU server.
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type OutputTypingEventConsumer struct {
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ctx context.Context
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jetstream nats.JetStreamContext
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durable string
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topic string
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eduCache *caching.EDUCache
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stream types.StreamProvider
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notifier *notifier.Notifier
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}
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// NewOutputTypingEventConsumer creates a new OutputTypingEventConsumer.
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// Call Start() to begin consuming from the EDU server.
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func NewOutputTypingEventConsumer(
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process *process.ProcessContext,
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cfg *config.SyncAPI,
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js nats.JetStreamContext,
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eduCache *caching.EDUCache,
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notifier *notifier.Notifier,
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stream types.StreamProvider,
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) *OutputTypingEventConsumer {
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return &OutputTypingEventConsumer{
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ctx: process.Context(),
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jetstream: js,
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topic: cfg.Matrix.JetStream.Prefixed(jetstream.OutputTypingEvent),
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durable: cfg.Matrix.JetStream.Durable("SyncAPITypingConsumer"),
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eduCache: eduCache,
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notifier: notifier,
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stream: stream,
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}
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}
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// Start consuming typing events.
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func (s *OutputTypingEventConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
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nats.DeliverAll(), nats.ManualAck(),
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)
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}
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func (s *OutputTypingEventConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
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roomID := msg.Header.Get(jetstream.RoomID)
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userID := msg.Header.Get(jetstream.UserID)
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typing, err := strconv.ParseBool(msg.Header.Get("typing"))
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if err != nil {
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log.WithError(err).Errorf("output log: typing parse failure")
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return true
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}
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timeout, err := strconv.Atoi(msg.Header.Get("timeout_ms"))
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if err != nil {
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log.WithError(err).Errorf("output log: timeout_ms parse failure")
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return true
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}
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log.WithFields(log.Fields{
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"room_id": roomID,
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"user_id": userID,
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"typing": typing,
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"timeout": timeout,
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}).Debug("syncapi received EDU data from client api")
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var typingPos types.StreamPosition
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if typing {
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expiry := time.Now().Add(time.Duration(timeout) * time.Millisecond)
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typingPos = types.StreamPosition(
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s.eduCache.AddTypingUser(userID, roomID, &expiry),
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)
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} else {
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typingPos = types.StreamPosition(
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s.eduCache.RemoveUser(userID, roomID),
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)
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}
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s.stream.Advance(typingPos)
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s.notifier.OnNewTyping(roomID, types.StreamingToken{TypingPosition: typingPos})
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return true
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}
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