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utils.go
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/
utils.go
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package metrics
import (
"strings"
metrics "github.com/rcrowley/go-metrics"
)
func newUniformSample() metrics.Sample {
return metrics.NewUniformSample(defaultUniformReservoirSize)
}
func newExpDecaySample() metrics.Sample {
return metrics.NewExpDecaySample(defaultExpDecayReservoirSize, defaultExpDecayAlpha)
}
func createTimer(sample metrics.Sample) metrics.Timer {
return metrics.NewCustomTimer(metrics.NewHistogram(sample), metrics.NewMeter())
}
func hostForKey(h string) string {
h = strings.ReplaceAll(h, ".", "_")
h = strings.ReplaceAll(h, ":", "__")
return h
}
func measuredMethod(m string) string {
switch m {
case "OPTIONS",
"GET",
"HEAD",
"POST",
"PUT",
"PATCH",
"DELETE",
"TRACE",
"CONNECT":
return m
default:
return "_unknownmethod_"
}
}
func applyCompatibilityDefaults(o Options) Options {
if o.DisableCompatibilityDefaults {
return o
}
o.EnableAllFiltersMetrics = true
o.EnableRouteResponseMetrics = true
o.EnableRouteBackendErrorsCounters = true
o.EnableRouteStreamingErrorsCounters = true
o.EnableRouteBackendMetrics = true
return o
}