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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| package metrics | ||
|
|
||
| type Counter interface { | ||
| Add(v float64) | ||
| } | ||
|
|
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| type Gauge interface { | ||
| Counter | ||
| } | ||
|
|
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| type Observer interface { | ||
| Observe(v float64) | ||
| } | ||
|
|
||
| var ( | ||
| _ Counter = noop{} | ||
| _ Gauge = noop{} | ||
| _ Observer = noop{} | ||
| ) | ||
|
|
||
| type noop struct{} | ||
|
|
||
| func (noop) Add(v float64) {} | ||
| func (noop) Observe(v float64) {} | ||
|
|
||
| func ListenAndServe(addr string) error { | ||
| return listenAndServe(addr) | ||
| } | ||
|
|
||
| var ( | ||
| ConnAccepted Counter = noop{} | ||
| ConnError Counter = noop{} | ||
| ConnOpen Gauge = noop{} | ||
| ConnInsecure Counter = noop{} | ||
| ConnOpenInsecure Gauge = noop{} | ||
| ConnTLS Counter = noop{} | ||
| ConnOpenTLS Gauge = noop{} | ||
| ConnTLSHandshake Observer = noop{} | ||
| ConnRx Counter = noop{} | ||
| ConnTx Counter = noop{} | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| // +build !metrics | ||
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| package metrics | ||
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| func listenAndServe(addr string) error { | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| // +build metrics | ||
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| package metrics | ||
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| import ( | ||
| "net/http" | ||
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| "github.com/prometheus/client_golang/prometheus" | ||
| "github.com/prometheus/client_golang/prometheus/promauto" | ||
| "github.com/prometheus/client_golang/prometheus/promhttp" | ||
| ) | ||
|
|
||
| func listenAndServe(addr string) error { | ||
| return http.ListenAndServe(addr, promhttp.Handler()) | ||
| } | ||
|
|
||
| func init() { | ||
| ConnAccepted = promauto.NewCounter(prometheus.CounterOpts{ | ||
| Name: "dc_conn_accepted", | ||
| Help: "The total number of accepted connections", | ||
| }) | ||
| ConnError = promauto.NewCounter(prometheus.CounterOpts{ | ||
| Name: "dc_conn_error", | ||
| Help: "The total number of connections failed with an error", | ||
| }) | ||
| ConnOpen = promauto.NewGauge(prometheus.GaugeOpts{ | ||
| Name: "dc_conn_open", | ||
| Help: "The number of open connections", | ||
| }) | ||
| ConnInsecure = promauto.NewCounter(prometheus.CounterOpts{ | ||
| Name: "dc_conn_insecure", | ||
| Help: "The total number of insecure connections", | ||
| }) | ||
| ConnOpenInsecure = promauto.NewGauge(prometheus.GaugeOpts{ | ||
| Name: "dc_conn_insecure_open", | ||
| Help: "The number of open insecure connections", | ||
| }) | ||
| ConnTLS = promauto.NewCounter(prometheus.CounterOpts{ | ||
| Name: "dc_conn_tls", | ||
| Help: "The total number of TLS connections", | ||
| }) | ||
| ConnOpenTLS = promauto.NewGauge(prometheus.GaugeOpts{ | ||
| Name: "dc_conn_tls_open", | ||
| Help: "The number of open TLS connections", | ||
| }) | ||
| ConnTLSHandshake = promauto.NewHistogram(prometheus.HistogramOpts{ | ||
| Name: "dc_conn_tls_handshake_sec", | ||
| Help: "Time spent on TLS handshake", | ||
| }) | ||
| ConnRx = promauto.NewCounter(prometheus.CounterOpts{ | ||
| Name: "dc_conn_rx_bytes", | ||
| Help: "Total bytes received from the client", | ||
| }) | ||
| ConnTx = promauto.NewCounter(prometheus.CounterOpts{ | ||
| Name: "dc_conn_tx_bytes", | ||
| Help: "Total bytes sent to the client", | ||
| }) | ||
| } |
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