Files
livekit/pkg/telemetry/stats_test.go
Raja SubramanianandGitHub d279899b7c Fix publish track count on migration in. (#4740)
* Fix publish track count on migration in.

https://github.com/livekit/livekit/pull/4707 addressed the case of
publish tracks overcounting due to synthesised track publish on migrate
in. But, it introduced an issue where published tracks count could go
negative because unpublish subtracted the counter irrespective of the
track actually migrated in or not.

Fix it by keeping track of local publish.

Also, the older code was skipping publisher track count increase if the
synthesised publish was handled first. Address it by checking if the
track is actually new (i. e. fresh local publish) when the track was
already created in the migrate in path.

* fix pub time for tracks published after migration

* test

* prevent multiple track egresses
2026-08-11 16:13:57 +05:30

633 lines
21 KiB
Go

// 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_test
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/livekit/livekit-server/pkg/telemetry"
"github.com/livekit/protocol/livekit"
"github.com/livekit/livekit-server/pkg/telemetry/prometheus"
"github.com/livekit/livekit-server/pkg/telemetry/telemetryfakes"
)
func init() {
prometheus.Init("test", livekit.NodeType_SERVER)
}
type telemetryServiceFixture struct {
sut telemetry.TelemetryService
analytics *telemetryfakes.FakeAnalyticsService
}
func createFixture() *telemetryServiceFixture {
fixture := &telemetryServiceFixture{}
fixture.analytics = &telemetryfakes.FakeAnalyticsService{}
fixture.sut = telemetry.NewTelemetryService(nil, fixture.analytics)
return fixture
}
func Test_ParticipantAndRoomDataAreSentWithAnalytics(t *testing.T) {
fixture := createFixture()
// prepare
room := &livekit.Room{Sid: "RoomSid", Name: "RoomName"}
partSID := livekit.ParticipantID("part1")
clientInfo := &livekit.ClientInfo{Sdk: 2}
participantInfo := &livekit.ParticipantInfo{Sid: string(partSID)}
guard := &telemetry.ReferenceGuard{}
fixture.sut.ParticipantJoined(context.Background(), room, participantInfo, clientInfo, nil, true, guard)
// do
packet := 33
stat := &livekit.AnalyticsStat{Streams: []*livekit.AnalyticsStream{{PrimaryBytes: uint64(packet)}}}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_DOWNSTREAM, partSID, ""), stat)
// flush
fixture.flush()
// test
require.Equal(t, 1, fixture.analytics.SendStatsCallCount())
_, stats := fixture.analytics.SendStatsArgsForCall(0)
require.Equal(t, 1, len(stats))
require.Equal(t, livekit.StreamType_DOWNSTREAM, stats[0].Kind)
require.Equal(t, string(partSID), stats[0].ParticipantId)
require.Equal(t, room.Sid, stats[0].RoomId)
require.Equal(t, room.Name, stats[0].RoomName)
}
func Test_OnDownstreamPackets(t *testing.T) {
fixture := createFixture()
// prepare
room := &livekit.Room{Sid: "RoomSid", Name: "RoomName"}
partSID := livekit.ParticipantID("part1")
clientInfo := &livekit.ClientInfo{Sdk: 2}
participantInfo := &livekit.ParticipantInfo{Sid: string(partSID)}
guard := &telemetry.ReferenceGuard{}
fixture.sut.ParticipantJoined(context.Background(), room, participantInfo, clientInfo, nil, true, guard)
// do
packets := []int{33, 23}
totalBytes := packets[0] + packets[1]
totalPackets := len(packets)
trackID := livekit.TrackID("trackID")
for i := range packets {
stat := &livekit.AnalyticsStat{Streams: []*livekit.AnalyticsStream{{PrimaryBytes: uint64(packets[i]), PrimaryPackets: uint32(1)}}}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_DOWNSTREAM, partSID, trackID), stat)
}
// flush
fixture.flush()
// test
require.Equal(t, 1, fixture.analytics.SendStatsCallCount())
_, stats := fixture.analytics.SendStatsArgsForCall(0)
require.Equal(t, 1, len(stats))
require.Equal(t, livekit.StreamType_DOWNSTREAM, stats[0].Kind)
require.Equal(t, totalBytes, int(stats[0].Streams[0].PrimaryBytes))
require.Equal(t, totalPackets, int(stats[0].Streams[0].PrimaryPackets))
require.Equal(t, string(trackID), stats[0].TrackId)
}
func Test_OnDownstreamPackets_SeveralTracks(t *testing.T) {
fixture := createFixture()
// prepare
room := &livekit.Room{Sid: "RoomSid", Name: "RoomName"}
partSID := livekit.ParticipantID("part1")
clientInfo := &livekit.ClientInfo{Sdk: 2}
participantInfo := &livekit.ParticipantInfo{Sid: string(partSID)}
guard := &telemetry.ReferenceGuard{}
fixture.sut.ParticipantJoined(context.Background(), room, participantInfo, clientInfo, nil, true, guard)
// do
packet1 := 33
trackID1 := livekit.TrackID("trackID1")
stat1 := &livekit.AnalyticsStat{Streams: []*livekit.AnalyticsStream{{PrimaryBytes: uint64(packet1), PrimaryPackets: 1}}}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_DOWNSTREAM, partSID, trackID1), stat1)
packet2 := 23
trackID2 := livekit.TrackID("trackID2")
stat2 := &livekit.AnalyticsStat{Streams: []*livekit.AnalyticsStream{{PrimaryBytes: uint64(packet2), PrimaryPackets: 1}}}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_DOWNSTREAM, partSID, trackID2), stat2)
// flush
fixture.flush()
// test
require.Equal(t, 1, fixture.analytics.SendStatsCallCount())
_, stats := fixture.analytics.SendStatsArgsForCall(0)
require.Equal(t, 2, len(stats))
found1 := false
found2 := false
for _, sentStat := range stats {
if livekit.TrackID(sentStat.TrackId) == trackID1 {
found1 = true
require.Equal(t, packet1, int(sentStat.Streams[0].PrimaryBytes))
require.Equal(t, 1, int(sentStat.Streams[0].PrimaryPackets))
} else if livekit.TrackID(sentStat.TrackId) == trackID2 {
found2 = true
require.Equal(t, packet2, int(sentStat.Streams[0].PrimaryBytes))
require.Equal(t, 1, int(sentStat.Streams[0].PrimaryPackets))
}
}
require.True(t, found1)
require.True(t, found2)
}
func Test_OnDownStreamStat(t *testing.T) {
fixture := createFixture()
// prepare
room := &livekit.Room{Sid: "RoomSid", Name: "RoomName"}
partSID := livekit.ParticipantID("part1")
participantInfo := &livekit.ParticipantInfo{Sid: string(partSID)}
guard := &telemetry.ReferenceGuard{}
fixture.sut.ParticipantJoined(context.Background(), room, participantInfo, nil, nil, true, guard)
// do
stat1 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: 1,
PrimaryPackets: 1,
PacketsLost: 3,
Nacks: 1,
Plis: 1,
Rtt: 23,
Jitter: 3,
},
},
}
trackID := livekit.TrackID("trackID1")
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_DOWNSTREAM, partSID, trackID), stat1)
stat2 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: 2,
PrimaryPackets: 2,
PacketsLost: 4,
Nacks: 1,
Plis: 1,
Firs: 1,
Rtt: 10,
Jitter: 5,
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_DOWNSTREAM, partSID, trackID), stat2)
// flush
fixture.flush()
// test
require.Equal(t, 1, fixture.analytics.SendStatsCallCount())
_, stats := fixture.analytics.SendStatsArgsForCall(0)
require.Equal(t, 1, len(stats))
require.Equal(t, livekit.StreamType_DOWNSTREAM, stats[0].Kind)
require.Equal(t, 2, int(stats[0].Streams[0].Nacks))
require.Equal(t, 2, int(stats[0].Streams[0].Plis))
require.Equal(t, 1, int(stats[0].Streams[0].Firs))
require.Equal(t, 23, int(stats[0].Streams[0].Rtt)) // max of RTT
require.Equal(t, 5, int(stats[0].Streams[0].Jitter)) // max of jitter
require.Equal(t, 7, int(stats[0].Streams[0].PacketsLost)) // coalesced delta packet losses
require.Equal(t, string(trackID), stats[0].TrackId)
}
func Test_PacketLostDiffShouldBeSentToTelemetry(t *testing.T) {
fixture := createFixture()
// prepare
room := &livekit.Room{Sid: "RoomSid", Name: "RoomName"}
partSID := livekit.ParticipantID("part1")
participantInfo := &livekit.ParticipantInfo{Sid: string(partSID)}
guard := &telemetry.ReferenceGuard{}
fixture.sut.ParticipantJoined(context.Background(), room, participantInfo, nil, nil, true, guard)
// do
trackID := livekit.TrackID("trackID1")
stat1 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: 1,
PrimaryPackets: 1,
PacketsLost: 1,
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_DOWNSTREAM, partSID, trackID), stat1) // there should be bytes reported so that stats are sent
// flush
fixture.flush()
stat2 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: 2,
PrimaryPackets: 2,
PacketsLost: 4,
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_DOWNSTREAM, partSID, trackID), stat2)
// flush
fixture.flush()
// test
require.Equal(t, 2, fixture.analytics.SendStatsCallCount()) // 2 calls to fixture.sut.FlushStats()
_, stats := fixture.analytics.SendStatsArgsForCall(0)
require.Equal(t, 1, len(stats))
require.Equal(t, livekit.StreamType_DOWNSTREAM, stats[0].Kind)
require.Equal(t, 1, int(stats[0].Streams[0].PacketsLost)) // see pkts1
_, stats = fixture.analytics.SendStatsArgsForCall(1)
require.Equal(t, 1, len(stats))
require.Equal(t, livekit.StreamType_DOWNSTREAM, stats[0].Kind)
require.Equal(t, 4, int(stats[0].Streams[0].PacketsLost)) // delta loss should be sent as is
}
func Test_OnDownStreamRTCP_SeveralTracks(t *testing.T) {
fixture := createFixture()
// prepare
room := &livekit.Room{Sid: "RoomSid", Name: "RoomName"}
partSID := livekit.ParticipantID("part1")
participantInfo := &livekit.ParticipantInfo{Sid: string(partSID)}
guard := &telemetry.ReferenceGuard{}
fixture.sut.ParticipantJoined(context.Background(), room, participantInfo, nil, nil, true, guard)
// do
trackID1 := livekit.TrackID("trackID1")
trackID2 := livekit.TrackID("trackID2")
stat1 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: 1,
PrimaryPackets: 1,
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_DOWNSTREAM, partSID, trackID1), stat1) // there should be bytes reported so that stats are sent
stat2 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: 2,
PrimaryPackets: 2,
Nacks: 1,
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_DOWNSTREAM, partSID, trackID1), stat2)
stat3 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: 3,
PrimaryPackets: 3,
Firs: 1,
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_DOWNSTREAM, partSID, trackID2), stat3)
// flush
fixture.flush()
// test
require.Equal(t, 1, fixture.analytics.SendStatsCallCount())
_, stats := fixture.analytics.SendStatsArgsForCall(0)
require.Equal(t, 2, len(stats))
found1 := false
found2 := false
for _, sentStat := range stats {
if livekit.TrackID(sentStat.TrackId) == trackID1 {
found1 = true
require.Equal(t, livekit.StreamType_DOWNSTREAM, sentStat.Kind)
require.Equal(t, 1, int(sentStat.Streams[0].Nacks)) // see pkts1 above
} else if livekit.TrackID(sentStat.TrackId) == trackID2 {
found2 = true
require.Equal(t, livekit.StreamType_DOWNSTREAM, sentStat.Kind)
require.Equal(t, 1, int(sentStat.Streams[0].Firs)) // see pkts2 above
}
}
require.True(t, found1)
require.True(t, found2)
}
func Test_OnUpstreamStat(t *testing.T) {
fixture := createFixture()
// prepare
room := &livekit.Room{Sid: "RoomSid", Name: "RoomName"}
partSID := livekit.ParticipantID("part1")
participantInfo := &livekit.ParticipantInfo{Sid: string(partSID)}
guard := &telemetry.ReferenceGuard{}
fixture.sut.ParticipantJoined(context.Background(), room, participantInfo, nil, nil, true, guard)
// do
stat1 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: 1,
PrimaryPackets: 1,
PacketsLost: 3,
Nacks: 1,
Plis: 1,
Firs: 1,
Rtt: 13,
Jitter: 5,
},
},
}
trackID := livekit.TrackID("trackID")
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_UPSTREAM, partSID, trackID), stat1)
stat2 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: 2,
PrimaryPackets: 2,
PacketsLost: 4,
Nacks: 1,
Plis: 1,
Firs: 1,
Rtt: 33,
Jitter: 2,
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_UPSTREAM, partSID, trackID), stat2)
// flush
fixture.flush()
// test
require.Equal(t, 1, fixture.analytics.SendStatsCallCount())
_, stats := fixture.analytics.SendStatsArgsForCall(0)
require.Equal(t, 1, len(stats))
require.Equal(t, livekit.StreamType_UPSTREAM, stats[0].Kind)
require.Equal(t, 2, int(stats[0].Streams[0].Nacks))
require.Equal(t, 2, int(stats[0].Streams[0].Plis))
require.Equal(t, 2, int(stats[0].Streams[0].Firs))
require.Equal(t, 33, int(stats[0].Streams[0].Rtt)) // max of RTT
require.Equal(t, 5, int(stats[0].Streams[0].Jitter)) // max of jitter
require.Equal(t, 7, int(stats[0].Streams[0].PacketsLost)) // coalesced delta packet losses
require.Equal(t, string(trackID), stats[0].TrackId)
}
func Test_OnUpstreamRTCP_SeveralTracks(t *testing.T) {
fixture := createFixture()
// prepare
room := &livekit.Room{Sid: "RoomSid", Name: "RoomName"}
partSID := livekit.ParticipantID("part1")
identity := livekit.ParticipantIdentity("part1Identity")
participantInfo := &livekit.ParticipantInfo{Sid: string(partSID), Identity: string(identity)}
guard := &telemetry.ReferenceGuard{}
fixture.sut.ParticipantJoined(context.Background(), room, participantInfo, nil, nil, true, guard)
// there should be bytes reported so that stats are sent
totalBytes := 1
totalPackets := 1
trackID1 := livekit.TrackID("trackID1")
trackID2 := livekit.TrackID("trackID2")
stat1 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: uint64(totalBytes),
PrimaryPackets: uint32(totalPackets),
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_UPSTREAM, partSID, trackID1), stat1)
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_UPSTREAM, partSID, trackID2), stat1) // using same buffer is not correct but for test it is fine
// do
totalBytes++
totalPackets++
stat2 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: uint64(totalBytes),
PrimaryPackets: uint32(totalPackets),
Nacks: 1,
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_UPSTREAM, partSID, trackID1), stat2)
stat3 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: uint64(totalBytes),
PrimaryPackets: uint32(totalPackets),
Firs: 1,
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_UPSTREAM, partSID, trackID2), stat3)
// flush
fixture.flush()
// test
require.Equal(t, 1, fixture.analytics.SendStatsCallCount())
_, stats := fixture.analytics.SendStatsArgsForCall(0)
require.Equal(t, 2, len(stats))
found1 := false
found2 := false
for _, sentStat := range stats {
if livekit.TrackID(sentStat.TrackId) == trackID1 {
found1 = true
require.Equal(t, livekit.StreamType_UPSTREAM, sentStat.Kind)
require.Equal(t, 1, int(sentStat.Streams[0].Nacks)) // see pkts1 above
} else if livekit.TrackID(sentStat.TrackId) == trackID2 {
found2 = true
require.Equal(t, livekit.StreamType_UPSTREAM, sentStat.Kind)
require.Equal(t, 1, int(sentStat.Streams[0].Firs)) // see pkts2 above
}
require.Equal(t, 3, int(sentStat.Streams[0].PrimaryBytes))
require.Equal(t, 3, int(sentStat.Streams[0].PrimaryPackets))
}
require.True(t, found1)
require.True(t, found2)
// remove 1 track - track stats were flushed above, so no more calls to SendStats
fixture.sut.TrackUnpublished(context.Background(), room, partSID, identity, &livekit.TrackInfo{Sid: string(trackID2)}, true, true)
// flush
fixture.flush()
require.Equal(t, 1, fixture.analytics.SendStatsCallCount())
}
func Test_AnalyticsSentWhenParticipantLeaves(t *testing.T) {
fixture := createFixture()
// prepare
room := &livekit.Room{}
partSID := "part1"
participantInfo := &livekit.ParticipantInfo{Sid: partSID}
guard := &telemetry.ReferenceGuard{}
fixture.sut.ParticipantJoined(context.Background(), room, participantInfo, nil, nil, true, guard)
// do
fixture.sut.ParticipantLeft(context.Background(), room, participantInfo, true, guard)
// should not be called if there are no track stats
time.Sleep(time.Millisecond * 500)
require.Equal(t, 0, fixture.analytics.SendStatsCallCount())
}
func Test_AddUpTrack(t *testing.T) {
fixture := createFixture()
// prepare
room := &livekit.Room{Sid: "RoomSid", Name: "RoomName"}
partSID := livekit.ParticipantID("part1")
participantInfo := &livekit.ParticipantInfo{Sid: string(partSID)}
guard := &telemetry.ReferenceGuard{}
fixture.sut.ParticipantJoined(context.Background(), room, participantInfo, nil, nil, true, guard)
// do
var totalBytes uint64 = 3
var totalPackets uint32 = 3
stat := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: totalBytes,
PrimaryPackets: totalPackets,
},
},
}
trackID := livekit.TrackID("trackID")
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_UPSTREAM, partSID, trackID), stat)
// flush
fixture.flush()
// test
require.Equal(t, 1, fixture.analytics.SendStatsCallCount())
_, stats := fixture.analytics.SendStatsArgsForCall(0)
require.Equal(t, 1, len(stats))
require.Equal(t, livekit.StreamType_UPSTREAM, stats[0].Kind)
require.Equal(t, totalBytes, stats[0].Streams[0].PrimaryBytes)
require.Equal(t, totalPackets, stats[0].Streams[0].PrimaryPackets)
require.Equal(t, string(trackID), stats[0].TrackId)
}
func Test_AddUpTrack_SeveralBuffers_Simulcast(t *testing.T) {
fixture := createFixture()
// prepare
room := &livekit.Room{Sid: "RoomSid", Name: "RoomName"}
partSID := livekit.ParticipantID("part1")
participantInfo := &livekit.ParticipantInfo{Sid: string(partSID)}
guard := &telemetry.ReferenceGuard{}
fixture.sut.ParticipantJoined(context.Background(), room, participantInfo, nil, nil, true, guard)
// do
trackID := livekit.TrackID("trackID")
stat1 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: 1,
PrimaryPackets: 1,
},
{
PrimaryBytes: 2,
PrimaryPackets: 2,
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_UPSTREAM, partSID, trackID), stat1)
// flush
fixture.flush()
// test
require.Equal(t, 1, fixture.analytics.SendStatsCallCount())
_, stats := fixture.analytics.SendStatsArgsForCall(0)
require.Equal(t, 1, len(stats))
require.Equal(t, livekit.StreamType_UPSTREAM, stats[0].Kind)
// should be a consolidated stream
require.Equal(t, stat1.Streams[0].PrimaryBytes+stat1.Streams[1].PrimaryBytes, stats[0].Streams[0].PrimaryBytes)
require.Equal(t, stat1.Streams[0].PrimaryPackets+stat1.Streams[1].PrimaryPackets, stats[0].Streams[0].PrimaryPackets)
require.Equal(t, string(trackID), stats[0].TrackId)
}
func Test_BothDownstreamAndUpstreamStatsAreSentTogether(t *testing.T) {
fixture := createFixture()
// prepare
room := &livekit.Room{Sid: "RoomSid", Name: "RoomName"}
partSID := livekit.ParticipantID("part1")
participantInfo := &livekit.ParticipantInfo{Sid: string(partSID)}
guard := &telemetry.ReferenceGuard{}
fixture.sut.ParticipantJoined(context.Background(), room, participantInfo, nil, nil, true, guard)
// do
// upstream bytes
stat1 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: 3,
PrimaryPackets: 3,
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_UPSTREAM, partSID, "trackID"), stat1)
// downstream bytes
stat2 := &livekit.AnalyticsStat{
Streams: []*livekit.AnalyticsStream{
{
PrimaryBytes: 1,
PrimaryPackets: 1,
},
},
}
fixture.sut.TrackStats(livekit.RoomID(room.Sid), livekit.RoomName(room.Name), telemetry.StatsKeyForData("test", livekit.StreamType_DOWNSTREAM, partSID, "trackID1"), stat2)
// flush
fixture.flush()
// test
require.Equal(t, 1, fixture.analytics.SendStatsCallCount())
_, stats := fixture.analytics.SendStatsArgsForCall(0)
require.Equal(t, 2, len(stats))
require.Equal(t, livekit.StreamType_UPSTREAM, stats[0].Kind)
require.Equal(t, livekit.StreamType_DOWNSTREAM, stats[1].Kind)
}
func (f *telemetryServiceFixture) flush() {
time.Sleep(time.Millisecond * 500)
f.sut.FlushStats()
}