ceremonyclient/go-libp2p/core/metrics/bandwidth.go

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2023-08-21 03:50:38 +00:00
// Package metrics provides metrics collection and reporting interfaces for libp2p.
package metrics
import (
"time"
"github.com/libp2p/go-flow-metrics"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/libp2p/go-libp2p/core/protocol"
)
// BandwidthCounter tracks incoming and outgoing data transferred by the local peer.
// Metrics are available for total bandwidth across all peers / protocols, as well
// as segmented by remote peer ID and protocol ID.
type BandwidthCounter struct {
totalIn flow.Meter
totalOut flow.Meter
protocolIn flow.MeterRegistry
protocolOut flow.MeterRegistry
peerIn flow.MeterRegistry
peerOut flow.MeterRegistry
}
// NewBandwidthCounter creates a new BandwidthCounter.
func NewBandwidthCounter() *BandwidthCounter {
return new(BandwidthCounter)
}
// LogSentMessage records the size of an outgoing message
// without associating the bandwidth to a specific peer or protocol.
func (bwc *BandwidthCounter) LogSentMessage(size int64) {
bwc.totalOut.Mark(uint64(size))
}
// LogRecvMessage records the size of an incoming message
// without associating the bandwidth to a specific peer or protocol.
func (bwc *BandwidthCounter) LogRecvMessage(size int64) {
bwc.totalIn.Mark(uint64(size))
}
// LogSentMessageStream records the size of an outgoing message over a single logical stream.
// Bandwidth is associated with the given protocol.ID and peer.ID.
func (bwc *BandwidthCounter) LogSentMessageStream(size int64, proto protocol.ID, p peer.ID) {
bwc.protocolOut.Get(string(proto)).Mark(uint64(size))
bwc.peerOut.Get(string(p)).Mark(uint64(size))
}
// LogRecvMessageStream records the size of an incoming message over a single logical stream.
// Bandwidth is associated with the given protocol.ID and peer.ID.
func (bwc *BandwidthCounter) LogRecvMessageStream(size int64, proto protocol.ID, p peer.ID) {
bwc.protocolIn.Get(string(proto)).Mark(uint64(size))
bwc.peerIn.Get(string(p)).Mark(uint64(size))
}
// GetBandwidthForPeer returns a Stats struct with bandwidth metrics associated with the given peer.ID.
// The metrics returned include all traffic sent / received for the peer, regardless of protocol.
func (bwc *BandwidthCounter) GetBandwidthForPeer(p peer.ID) (out Stats) {
inSnap := bwc.peerIn.Get(string(p)).Snapshot()
outSnap := bwc.peerOut.Get(string(p)).Snapshot()
return Stats{
TotalIn: int64(inSnap.Total),
TotalOut: int64(outSnap.Total),
RateIn: inSnap.Rate,
RateOut: outSnap.Rate,
}
}
// GetBandwidthForProtocol returns a Stats struct with bandwidth metrics associated with the given protocol.ID.
// The metrics returned include all traffic sent / received for the protocol, regardless of which peers were
// involved.
func (bwc *BandwidthCounter) GetBandwidthForProtocol(proto protocol.ID) (out Stats) {
inSnap := bwc.protocolIn.Get(string(proto)).Snapshot()
outSnap := bwc.protocolOut.Get(string(proto)).Snapshot()
return Stats{
TotalIn: int64(inSnap.Total),
TotalOut: int64(outSnap.Total),
RateIn: inSnap.Rate,
RateOut: outSnap.Rate,
}
}
// GetBandwidthTotals returns a Stats struct with bandwidth metrics for all data sent / received by the
// local peer, regardless of protocol or remote peer IDs.
func (bwc *BandwidthCounter) GetBandwidthTotals() (out Stats) {
inSnap := bwc.totalIn.Snapshot()
outSnap := bwc.totalOut.Snapshot()
return Stats{
TotalIn: int64(inSnap.Total),
TotalOut: int64(outSnap.Total),
RateIn: inSnap.Rate,
RateOut: outSnap.Rate,
}
}
// GetBandwidthByPeer returns a map of all remembered peers and the bandwidth
// metrics with respect to each. This method may be very expensive.
func (bwc *BandwidthCounter) GetBandwidthByPeer() map[peer.ID]Stats {
peers := make(map[peer.ID]Stats)
bwc.peerIn.ForEach(func(p string, meter *flow.Meter) {
id := peer.ID(p)
snap := meter.Snapshot()
stat := peers[id]
stat.TotalIn = int64(snap.Total)
stat.RateIn = snap.Rate
peers[id] = stat
})
bwc.peerOut.ForEach(func(p string, meter *flow.Meter) {
id := peer.ID(p)
snap := meter.Snapshot()
stat := peers[id]
stat.TotalOut = int64(snap.Total)
stat.RateOut = snap.Rate
peers[id] = stat
})
return peers
}
// GetBandwidthByProtocol returns a map of all remembered protocols and
// the bandwidth metrics with respect to each. This method may be moderately
// expensive.
func (bwc *BandwidthCounter) GetBandwidthByProtocol() map[protocol.ID]Stats {
protocols := make(map[protocol.ID]Stats)
bwc.protocolIn.ForEach(func(p string, meter *flow.Meter) {
id := protocol.ID(p)
snap := meter.Snapshot()
stat := protocols[id]
stat.TotalIn = int64(snap.Total)
stat.RateIn = snap.Rate
protocols[id] = stat
})
bwc.protocolOut.ForEach(func(p string, meter *flow.Meter) {
id := protocol.ID(p)
snap := meter.Snapshot()
stat := protocols[id]
stat.TotalOut = int64(snap.Total)
stat.RateOut = snap.Rate
protocols[id] = stat
})
return protocols
}
// Reset clears all stats.
func (bwc *BandwidthCounter) Reset() {
bwc.totalIn.Reset()
bwc.totalOut.Reset()
bwc.protocolIn.Clear()
bwc.protocolOut.Clear()
bwc.peerIn.Clear()
bwc.peerOut.Clear()
}
// TrimIdle trims all timers idle since the given time.
func (bwc *BandwidthCounter) TrimIdle(since time.Time) {
bwc.peerIn.TrimIdle(since)
bwc.peerOut.TrimIdle(since)
bwc.protocolIn.TrimIdle(since)
bwc.protocolOut.TrimIdle(since)
}