Files
livekit/pkg/telemetry/prometheus/node.go
T
David Zhao 2d93ccd668 Updated protocol from protocol/proto -> protocol/livekit (#242)
* Updated protocol from protocol/proto -> protocol/livekit

* separate MediaTrack from PublishedTrack
2021-12-08 13:58:38 -08:00

87 lines
2.6 KiB
Go

package prometheus
import (
"sync/atomic"
"time"
livekit "github.com/livekit/protocol/livekit"
"github.com/prometheus/client_golang/prometheus"
)
const livekitNamespace = "livekit"
var (
MessageCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: livekitNamespace,
Subsystem: "node",
Name: "messages",
},
[]string{"type", "status"},
)
ServiceOperationCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: livekitNamespace,
Subsystem: "node",
Name: "service_operation",
},
[]string{"type", "status", "error_type"},
)
)
func init() {
prometheus.MustRegister(MessageCounter)
prometheus.MustRegister(ServiceOperationCounter)
initPacketStats()
initRoomStats()
}
func UpdateCurrentNodeStats(nodeStats *livekit.NodeStats) error {
updatedAtPrevious := nodeStats.UpdatedAt
nodeStats.UpdatedAt = time.Now().Unix()
secondsSinceLastUpdate := nodeStats.UpdatedAt - updatedAtPrevious
err := updateCurrentNodeSystemStats(nodeStats)
updateCurrentNodeRoomStats(nodeStats)
updateCurrentNodePacketStats(nodeStats, secondsSinceLastUpdate)
return err
}
func updateCurrentNodeRoomStats(nodeStats *livekit.NodeStats) {
nodeStats.NumClients = atomic.LoadInt32(&atomicParticipantTotal)
nodeStats.NumRooms = atomic.LoadInt32(&atomicRoomTotal)
nodeStats.NumTracksIn = atomic.LoadInt32(&atomicTrackPublishedTotal)
nodeStats.NumTracksOut = atomic.LoadInt32(&atomicTrackSubscribedTotal)
}
func updateCurrentNodePacketStats(nodeStats *livekit.NodeStats, secondsSinceLastUpdate int64) {
if secondsSinceLastUpdate == 0 {
return
}
bytesInPrevious := nodeStats.BytesIn
bytesOutPrevious := nodeStats.BytesOut
packetsInPrevious := nodeStats.PacketsIn
packetsOutPrevious := nodeStats.PacketsOut
nackTotalPrevious := nodeStats.NackTotal
nodeStats.BytesIn = atomic.LoadUint64(&atomicBytesIn)
nodeStats.BytesOut = atomic.LoadUint64(&atomicBytesOut)
nodeStats.PacketsIn = atomic.LoadUint64(&atomicPacketsIn)
nodeStats.PacketsOut = atomic.LoadUint64(&atomicPacketsOut)
nodeStats.NackTotal = atomic.LoadUint64(&atomicNackTotal)
nodeStats.BytesInPerSec = perSec(bytesInPrevious, nodeStats.BytesIn, secondsSinceLastUpdate)
nodeStats.BytesOutPerSec = perSec(bytesOutPrevious, nodeStats.BytesOut, secondsSinceLastUpdate)
nodeStats.PacketsInPerSec = perSec(packetsInPrevious, nodeStats.PacketsIn, secondsSinceLastUpdate)
nodeStats.PacketsOutPerSec = perSec(packetsOutPrevious, nodeStats.PacketsOut, secondsSinceLastUpdate)
nodeStats.NackPerSec = perSec(nackTotalPrevious, nodeStats.NackTotal, secondsSinceLastUpdate)
}
func perSec(prev, curr uint64, secs int64) float32 {
return float32(curr-prev) / float32(secs)
}