forked from livekit/livekit
/
signalanddatastats.go
137 lines (116 loc) · 3.53 KB
/
signalanddatastats.go
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// Copyright 2023 LiveKit, Inc.
//
// 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 telemetry
import (
"fmt"
"time"
"go.uber.org/atomic"
"github.com/livekit/livekit-server/pkg/config"
"github.com/livekit/protocol/livekit"
"github.com/livekit/protocol/utils"
)
type BytesTrackType string
const (
BytesTrackTypeData BytesTrackType = "DT"
BytesTrackTypeSignal BytesTrackType = "SG"
)
// -------------------------------
type TrafficTotals struct {
At time.Time
SendBytes uint64
SendMessages uint32
RecvBytes uint64
RecvMessages uint32
}
// --------------------------------
// stats for signal and data channel
type BytesTrackStats struct {
trackID livekit.TrackID
pID livekit.ParticipantID
send, recv atomic.Uint64
sendMessages, recvMessages atomic.Uint32
totalSendBytes, totalRecvBytes atomic.Uint64
totalSendMessages, totalRecvMessages atomic.Uint32
telemetry TelemetryService
isStopped atomic.Bool
}
func NewBytesTrackStats(trackID livekit.TrackID, pID livekit.ParticipantID, telemetry TelemetryService) *BytesTrackStats {
s := &BytesTrackStats{
trackID: trackID,
pID: pID,
telemetry: telemetry,
}
go s.reporter()
return s
}
func (s *BytesTrackStats) AddBytes(bytes uint64, isSend bool) {
if isSend {
s.send.Add(bytes)
s.sendMessages.Inc()
s.totalSendBytes.Add(bytes)
s.totalSendMessages.Inc()
} else {
s.recv.Add(bytes)
s.recvMessages.Inc()
s.totalRecvBytes.Add(bytes)
s.totalRecvMessages.Inc()
}
}
func (s *BytesTrackStats) GetTrafficTotals() *TrafficTotals {
return &TrafficTotals{
At: time.Now(),
SendBytes: s.totalSendBytes.Load(),
SendMessages: s.totalSendMessages.Load(),
RecvBytes: s.totalRecvBytes.Load(),
RecvMessages: s.totalRecvMessages.Load(),
}
}
func (s *BytesTrackStats) Stop() {
s.isStopped.Store(true)
}
func (s *BytesTrackStats) report() {
if recv := s.recv.Swap(0); recv > 0 {
s.telemetry.TrackStats(StatsKeyForData(livekit.StreamType_UPSTREAM, s.pID, s.trackID), &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: recv,
PrimaryPackets: s.recvMessages.Swap(0),
},
},
})
}
if send := s.send.Swap(0); send > 0 {
s.telemetry.TrackStats(StatsKeyForData(livekit.StreamType_DOWNSTREAM, s.pID, s.trackID), &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: send,
PrimaryPackets: s.sendMessages.Swap(0),
},
},
})
}
}
func (s *BytesTrackStats) reporter() {
ticker := time.NewTicker(config.TelemetryStatsUpdateInterval)
defer ticker.Stop()
for !s.isStopped.Load() {
<-ticker.C
s.report()
}
s.report()
}
// -----------------------------------------------------------------------
func BytesTrackIDForParticipantID(typ BytesTrackType, participantID livekit.ParticipantID) livekit.TrackID {
return livekit.TrackID(fmt.Sprintf("%s_%s%s", utils.TrackPrefix, string(typ), participantID))
}