Evstigneev Denis
38c5fe8b5a
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## Pull Request template Please, go through these steps before clicking submit on this PR. 1. Give a descriptive title to your PR. 2. Provide a description of your changes. 3. Make sure you have some relevant tests. 4. Put `closes #XXXX` in your comment to auto-close the issue that your PR fixes (if applicable). **PLEASE REMOVE THIS TEMPLATE BEFORE SUBMITTING** Reviewed-on: #369 Co-authored-by: Evstigneev Denis <danteevstigneev@yandex.ru> Co-committed-by: Evstigneev Denis <danteevstigneev@yandex.ru>
163 lines
3.0 KiB
Go
163 lines
3.0 KiB
Go
package meter
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import (
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"io"
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"time"
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)
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// NoopMeter is an noop implementation of Meter
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type noopMeter struct {
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opts Options
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}
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// NewMeter returns a configured noop reporter:
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func NewMeter(opts ...Option) Meter {
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return &noopMeter{opts: NewOptions(opts...)}
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}
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// Clone return old meter with new options
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func (r *noopMeter) Clone(opts ...Option) Meter {
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options := r.opts
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for _, o := range opts {
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o(&options)
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}
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return &noopMeter{opts: options}
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}
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func (r *noopMeter) Name() string {
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return r.opts.Name
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}
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// Init initialize options
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func (r *noopMeter) Init(opts ...Option) error {
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for _, o := range opts {
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o(&r.opts)
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}
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return nil
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}
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// Counter implements the Meter interface
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func (r *noopMeter) Counter(_ string, labels ...string) Counter {
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return &noopCounter{labels: labels}
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}
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// FloatCounter implements the Meter interface
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func (r *noopMeter) FloatCounter(_ string, labels ...string) FloatCounter {
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return &noopFloatCounter{labels: labels}
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}
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// Gauge implements the Meter interface
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func (r *noopMeter) Gauge(_ string, _ func() float64, labels ...string) Gauge {
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return &noopGauge{labels: labels}
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}
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// Summary implements the Meter interface
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func (r *noopMeter) Summary(_ string, labels ...string) Summary {
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return &noopSummary{labels: labels}
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}
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// SummaryExt implements the Meter interface
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func (r *noopMeter) SummaryExt(_ string, _ time.Duration, _ []float64, labels ...string) Summary {
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return &noopSummary{labels: labels}
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}
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// Histogram implements the Meter interface
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func (r *noopMeter) Histogram(_ string, labels ...string) Histogram {
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return &noopHistogram{labels: labels}
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}
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// Set implements the Meter interface
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func (r *noopMeter) Set(opts ...Option) Meter {
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m := &noopMeter{opts: r.opts}
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for _, o := range opts {
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o(&m.opts)
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}
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return m
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}
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func (r *noopMeter) Write(_ io.Writer, _ ...Option) error {
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return nil
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}
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// Options implements the Meter interface
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func (r *noopMeter) Options() Options {
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return r.opts
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}
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// String implements the Meter interface
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func (r *noopMeter) String() string {
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return "noop"
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}
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type noopCounter struct {
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labels []string
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}
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func (r *noopCounter) Add(int) {
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}
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func (r *noopCounter) Dec() {
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}
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func (r *noopCounter) Get() uint64 {
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return 0
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}
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func (r *noopCounter) Inc() {
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}
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func (r *noopCounter) Set(uint64) {
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}
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type noopFloatCounter struct {
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labels []string
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}
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func (r *noopFloatCounter) Add(float64) {
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}
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func (r *noopFloatCounter) Get() float64 {
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return 0
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}
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func (r *noopFloatCounter) Set(float64) {
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}
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func (r *noopFloatCounter) Sub(float64) {
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}
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type noopGauge struct {
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labels []string
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}
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func (r *noopGauge) Get() float64 {
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return 0
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}
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type noopSummary struct {
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labels []string
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}
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func (r *noopSummary) Update(float64) {
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}
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func (r *noopSummary) UpdateDuration(time.Time) {
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}
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type noopHistogram struct {
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labels []string
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}
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func (r *noopHistogram) Reset() {
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}
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func (r *noopHistogram) Update(float64) {
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}
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func (r *noopHistogram) UpdateDuration(time.Time) {
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}
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// func (r *noopHistogram) VisitNonZeroBuckets(f func(vmrange string, count uint64)) {}
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