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https://github.com/nspcc-dev/neo-go.git
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d0b1015b2c
They're a bit more useful and they're naturally grouped under rpc prefix. Simple counters will be removed eventually to avoid duplication.
55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
package rpcsrv
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import (
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"fmt"
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"strings"
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"time"
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"github.com/prometheus/client_golang/prometheus"
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)
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// Metrics used in monitoring service.
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var (
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rpcCounter = map[string]prometheus.Counter{}
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rpcTimes = map[string]prometheus.Histogram{}
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)
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func addReqTimeMetric(name string, t time.Duration) {
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hist, ok := rpcTimes[name]
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if ok {
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hist.Observe(t.Seconds())
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}
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ctr, ok := rpcCounter[name]
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if ok {
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ctr.Inc()
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}
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}
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func regCounter(call string) {
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ctr := prometheus.NewCounter(
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prometheus.CounterOpts{
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Help: fmt.Sprintf("Number of calls to %s rpc endpoint (obsolete, to be removed)", call),
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Name: fmt.Sprintf("%s_called", call),
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Namespace: "neogo",
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},
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)
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prometheus.MustRegister(ctr)
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rpcCounter[call] = ctr
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rpcTimes[call] = prometheus.NewHistogram(
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prometheus.HistogramOpts{
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Help: "RPC " + call + " call handling time",
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Name: "rpc_" + strings.ToLower(call) + "_time",
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Namespace: "neogo",
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},
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)
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prometheus.MustRegister(rpcTimes[call])
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}
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func init() {
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for call := range rpcHandlers {
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regCounter(call)
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}
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for call := range rpcWsHandlers {
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regCounter(call)
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}
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}
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