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44 lines
872 B
44 lines
872 B
2 years ago
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package datadog
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import (
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"time"
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"github.com/go-kratos/kratos/v2/metrics"
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)
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var _ metrics.Observer = (*timing)(nil)
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type timing struct {
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opts options
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name string
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lvs []string
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}
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// NewTiming new a DataDog timer and returns Observer.
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func NewTiming(name string, opts ...Option) metrics.Observer {
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timingOpts := options{
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sampleRate: 1,
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client: defaultClient,
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}
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for _, o := range opts {
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o(&timingOpts)
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}
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return &timing{
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name: name,
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opts: timingOpts,
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}
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}
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// With is applied in kratos/middleware/metrics/metrics.go (method,path)
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func (d *timing) With(values ...string) metrics.Observer {
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return &timing{
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name: d.name,
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opts: d.opts,
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lvs: withValues(d.opts.labels, values),
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}
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}
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func (d *timing) Observe(value float64) {
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_ = d.opts.client.TimeInMilliseconds(d.name, value*float64(time.Second/time.Millisecond), d.lvs, d.opts.sampleRate)
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}
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