mirror of
https://github.com/livekit/livekit.git
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7954748d7a
* WIP * WIP * Starting to add some signalling integration testing. * Working tests. * fix tests * Forward data packets (#4096) * WIP commit * WIP * WIP * fix forwarding * address PR comments * move some methods from LocalParticipant to Participant interface * handle subscription update * add extensions and tests * more packet tests * add test for replace extension and fix a bug * update protocol and add config
80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
// Copyright 2023 LiveKit, Inc.
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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 client
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import (
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"context"
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"math/rand"
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"time"
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"github.com/livekit/livekit-server/pkg/rtc/datatrack"
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"github.com/livekit/livekit-server/pkg/rtc/types"
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"github.com/livekit/protocol/logger"
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)
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type dataTrackWriter struct {
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ctx context.Context
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cancel context.CancelFunc
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handle uint16
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transport types.DataTrackTransport
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}
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func NewDataTrackWriter(ctx context.Context, handle uint16, transport types.DataTrackTransport) TrackWriter {
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ctx, cancel := context.WithCancel(ctx)
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return &dataTrackWriter{
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ctx: ctx,
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cancel: cancel,
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handle: handle,
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transport: transport,
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}
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}
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func (d *dataTrackWriter) Start() error {
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go d.writeFrames()
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return nil
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}
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func (d *dataTrackWriter) Stop() {
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d.cancel()
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}
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func (d *dataTrackWriter) writeFrames() {
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seqNum := uint16(0)
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frameNum := uint16(0)
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for {
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select {
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case <-d.ctx.Done():
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return
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default:
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packets := datatrack.GenerateRawDataPackets(d.handle, seqNum, frameNum, 1, rand.Intn(2048)+1, 100*time.Millisecond)
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for _, packet := range packets {
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if err := d.transport.SendDataTrackMessage(packet); err != nil {
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logger.Errorw("could not send data track packet", err)
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}
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}
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if len(packets) != 0 {
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var lastPacket datatrack.Packet
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if err := lastPacket.Unmarshal(packets[len(packets)-1]); err == nil {
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seqNum = lastPacket.SequenceNumber + 1
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frameNum = lastPacket.FrameNumber + 1
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}
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}
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time.Sleep(100 * time.Millisecond)
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}
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}
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}
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