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45 lines
896 B
45 lines
896 B
package datadog
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import (
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"github.com/go-kratos/kratos/v2/metrics"
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)
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var _ metrics.Counter = (*counter)(nil)
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type counter 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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// NewCounter new a DataDog counter and returns Counter.
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func NewCounter(name string, opts ...Option) metrics.Counter {
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options := 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(&options)
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}
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return &counter{
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name: name,
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opts: options,
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}
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}
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// With is applied in kratos/middleware/metrics/metrics.go (method,path,code)
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func (d *counter) With(values ...string) metrics.Counter {
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return &counter{
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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 *counter) Inc() {
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d.opts.client.Incr(d.name, d.lvs, d.opts.sampleRate)
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}
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func (d *counter) Add(delta float64) {
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d.opts.client.Count(d.name, int64(delta), d.lvs, d.opts.sampleRate)
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}
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