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62 lines
2.0 KiB
62 lines
2.0 KiB
package p2p
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import (
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"github.com/go-kit/kit/metrics"
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"github.com/go-kit/kit/metrics/discard"
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prometheus "github.com/go-kit/kit/metrics/prometheus"
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stdprometheus "github.com/prometheus/client_golang/prometheus"
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)
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const MetricsSubsystem = "p2p"
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// Metrics contains metrics exposed by this package.
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type Metrics struct {
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// Number of peers.
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Peers metrics.Gauge
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// Number of bytes received from a given peer.
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PeerReceiveBytesTotal metrics.Counter
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// Number of bytes sent to a given peer.
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PeerSendBytesTotal metrics.Counter
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// Pending bytes to be sent to a given peer.
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PeerPendingSendBytes metrics.Gauge
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}
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// PrometheusMetrics returns Metrics build using Prometheus client library.
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func PrometheusMetrics(namespace string) *Metrics {
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return &Metrics{
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Peers: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "peers",
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Help: "Number of peers.",
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}, []string{}),
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PeerReceiveBytesTotal: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "peer_receive_bytes_total",
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Help: "Number of bytes received from a given peer.",
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}, []string{"peer_id"}),
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PeerSendBytesTotal: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "peer_send_bytes_total",
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Help: "Number of bytes sent to a given peer.",
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}, []string{"peer_id"}),
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PeerPendingSendBytes: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "peer_pending_send_bytes",
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Help: "Number of pending bytes to be sent to a given peer.",
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}, []string{"peer_id"}),
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}
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}
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// NopMetrics returns no-op Metrics.
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func NopMetrics() *Metrics {
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return &Metrics{
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Peers: discard.NewGauge(),
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PeerReceiveBytesTotal: discard.NewCounter(),
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PeerSendBytesTotal: discard.NewCounter(),
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PeerPendingSendBytes: discard.NewGauge(),
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}
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}
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