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* Key telemetry stats work using combination of roomID, participantID With forwarded participant, the same participantID can existing in two rooms. NOTE: This does not yet allow a participant session to report its events/track stats into multiple rooms. That would require regitering multiple listeners (from rooms a participant is forwarded to). * missed file * data channel stats * PR comments + pass in room name so that telemetry events have proper room name also
115 lines
3.7 KiB
Go
115 lines
3.7 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 telemetry
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import (
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"github.com/livekit/livekit-server/pkg/telemetry/prometheus"
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"github.com/livekit/protocol/livekit"
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)
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type StatsKey struct {
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country string
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streamType livekit.StreamType
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participantID livekit.ParticipantID
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trackID livekit.TrackID
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trackSource livekit.TrackSource
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trackType livekit.TrackType
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track bool
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}
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func StatsKeyForTrack(
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country string,
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streamType livekit.StreamType,
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participantID livekit.ParticipantID,
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trackID livekit.TrackID,
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trackSource livekit.TrackSource,
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trackType livekit.TrackType,
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) StatsKey {
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return StatsKey{
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country: country,
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streamType: streamType,
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participantID: participantID,
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trackID: trackID,
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trackSource: trackSource,
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trackType: trackType,
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track: true,
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}
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}
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func StatsKeyForData(
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country string,
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streamType livekit.StreamType,
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participantID livekit.ParticipantID,
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trackID livekit.TrackID,
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) StatsKey {
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return StatsKey{
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country: country,
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streamType: streamType,
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participantID: participantID,
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trackID: trackID,
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}
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}
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func (t *telemetryService) TrackStats(roomID livekit.RoomID, _roomName livekit.RoomName, key StatsKey, stat *livekit.AnalyticsStat) {
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t.enqueue(func() {
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direction := prometheus.Incoming
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if key.streamType == livekit.StreamType_DOWNSTREAM {
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direction = prometheus.Outgoing
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}
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nacks := uint32(0)
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plis := uint32(0)
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firs := uint32(0)
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packets := uint32(0)
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bytes := uint64(0)
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retransmitBytes := uint64(0)
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retransmitPackets := uint32(0)
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for _, stream := range stat.Streams {
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nacks += stream.Nacks
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plis += stream.Plis
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firs += stream.Firs
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packets += stream.PrimaryPackets + stream.PaddingPackets
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bytes += stream.PrimaryBytes + stream.PaddingBytes
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if key.streamType == livekit.StreamType_DOWNSTREAM {
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retransmitPackets += stream.RetransmitPackets
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retransmitBytes += stream.RetransmitBytes
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} else {
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// for upstream, we don't account for these separately for now
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packets += stream.RetransmitPackets
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bytes += stream.RetransmitBytes
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}
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if key.track {
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prometheus.RecordPacketLoss(key.country, direction, key.trackSource, key.trackType, stream.PacketsLost, stream.PrimaryPackets+stream.PaddingPackets)
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prometheus.RecordPacketOutOfOrder(key.country, direction, key.trackSource, key.trackType, stream.PacketsOutOfOrder, stream.PrimaryPackets+stream.PaddingPackets)
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prometheus.RecordRTT(key.country, direction, key.trackSource, key.trackType, stream.Rtt)
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prometheus.RecordJitter(key.country, direction, key.trackSource, key.trackType, stream.Jitter)
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}
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}
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prometheus.IncrementRTCP(key.country, direction, nacks, plis, firs)
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prometheus.IncrementPackets(key.country, direction, uint64(packets), false)
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prometheus.IncrementBytes(key.country, direction, bytes, false)
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if retransmitPackets != 0 {
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prometheus.IncrementPackets(key.country, direction, uint64(retransmitPackets), true)
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}
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if retransmitBytes != 0 {
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prometheus.IncrementBytes(key.country, direction, retransmitBytes, true)
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}
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if worker, ok := t.getWorker(roomID, key.participantID); ok {
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worker.OnTrackStat(key.trackID, key.streamType, stat)
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}
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})
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}
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