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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| package metricshelper | ||
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| import ma "github.com/multiformats/go-multiaddr" | ||
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| var transports = [...]int{ma.P_CIRCUIT, ma.P_WEBRTC, ma.P_WEBTRANSPORT, ma.P_QUIC, ma.P_QUIC_V1, ma.P_WSS, ma.P_WS, ma.P_TCP} | ||
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| func GetTransport(a ma.Multiaddr) string { | ||
| for _, t := range transports { | ||
| if _, err := a.ValueForProtocol(t); err == nil { | ||
| return ma.ProtocolWithCode(t).Name | ||
| } | ||
| } | ||
| return "other" | ||
| } | ||
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| func GetIPVersion(addr ma.Multiaddr) string { | ||
| version := "unknown" | ||
| ma.ForEach(addr, func(c ma.Component) bool { | ||
| if c.Protocol().Code == ma.P_IP4 { | ||
| version = "ip4" | ||
| return false | ||
| } else if c.Protocol().Code == ma.P_IP6 { | ||
| version = "ip6" | ||
| return false | ||
| } | ||
| return true | ||
| }) | ||
| return version | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| package holepunch | ||
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| import ( | ||
| "github.com/libp2p/go-libp2p/core/network" | ||
| "github.com/libp2p/go-libp2p/p2p/metricshelper" | ||
| ma "github.com/multiformats/go-multiaddr" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
| ) | ||
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| const metricNamespace = "libp2p_holepunch" | ||
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| var ( | ||
| directDialsTotal = prometheus.NewCounterVec( | ||
| prometheus.CounterOpts{ | ||
| Namespace: metricNamespace, | ||
| Name: "direct_dials_total", | ||
| Help: "Direct Dials Total", | ||
| }, | ||
| []string{"outcome"}, | ||
| ) | ||
| holePunchOutcomesTotal = prometheus.NewCounterVec( | ||
| prometheus.CounterOpts{ | ||
| Namespace: metricNamespace, | ||
| Name: "hole_punch_outcomes_total", | ||
| Help: "Hole_punch outcomes", | ||
| }, | ||
| []string{"side", "num_attempts", "ipv", "transport", "outcome"}, | ||
| ) | ||
| collectors = []prometheus.Collector{ | ||
| directDialsTotal, | ||
| holePunchOutcomesTotal, | ||
| } | ||
| ) | ||
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| type MetricsTracer interface { | ||
| HolePunchFinished(side string, attemptNum int, theirAddrs []ma.Multiaddr, ourAddr []ma.Multiaddr, directConn network.ConnMultiaddrs) | ||
| DirectDialFinished(success bool) | ||
| } | ||
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| type metricsTracer struct{} | ||
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| var _ MetricsTracer = &metricsTracer{} | ||
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| type metricsTracerSetting struct { | ||
| reg prometheus.Registerer | ||
| } | ||
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| type MetricsTracerOption func(*metricsTracerSetting) | ||
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| func WithRegisterer(reg prometheus.Registerer) MetricsTracerOption { | ||
| return func(s *metricsTracerSetting) { | ||
| if reg != nil { | ||
| s.reg = reg | ||
| } | ||
| } | ||
| } | ||
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| func NewMetricsTracer(opts ...MetricsTracerOption) MetricsTracer { | ||
| setting := &metricsTracerSetting{reg: prometheus.DefaultRegisterer} | ||
| for _, opt := range opts { | ||
| opt(setting) | ||
| } | ||
| metricshelper.RegisterCollectors(setting.reg, collectors...) | ||
| return &metricsTracer{} | ||
| } | ||
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| func (mt *metricsTracer) HolePunchFinished(side string, numAttempts int, | ||
| theirAddrs []ma.Multiaddr, ourAddrs []ma.Multiaddr, directConn network.ConnMultiaddrs) { | ||
| tags := metricshelper.GetStringSlice() | ||
| defer metricshelper.PutStringSlice(tags) | ||
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| *tags = append(*tags, side, getNumAttemptString(numAttempts)) | ||
| var dipv, dtransport string | ||
| if directConn != nil { | ||
| dipv = metricshelper.GetIPVersion(directConn.LocalMultiaddr()) | ||
| dtransport = metricshelper.GetTransport(directConn.LocalMultiaddr()) | ||
| } | ||
| for _, ta := range theirAddrs { | ||
| tipv := metricshelper.GetIPVersion(ta) | ||
| ttransport := metricshelper.GetTransport(ta) | ||
| for _, oa := range ourAddrs { | ||
| oipv := metricshelper.GetIPVersion(oa) | ||
| otransport := metricshelper.GetTransport(oa) | ||
| if tipv == oipv && ttransport == otransport { | ||
| *tags = append(*tags, tipv, ttransport) | ||
| if directConn != nil && dipv == tipv && dtransport == ttransport { | ||
| *tags = append(*tags, "success") | ||
| } else { | ||
| *tags = append(*tags, "failed") | ||
| } | ||
| holePunchOutcomesTotal.WithLabelValues(*tags...).Inc() | ||
| *tags = (*tags)[:2] | ||
| break | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| func getNumAttemptString(numAttempt int) string { | ||
| switch numAttempt { | ||
| case 1: | ||
| return "1" | ||
| case 2: | ||
| return "2" | ||
| case 3: | ||
| return "3" | ||
| default: | ||
| return ">=4" | ||
| } | ||
| } | ||
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| func (mt *metricsTracer) DirectDialFinished(success bool) { | ||
| tags := metricshelper.GetStringSlice() | ||
| defer metricshelper.PutStringSlice(tags) | ||
| if success { | ||
| *tags = append(*tags, "success") | ||
| } else { | ||
| *tags = append(*tags, "failed") | ||
| } | ||
| directDialsTotal.WithLabelValues(*tags...).Inc() | ||
| } |
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