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Updates to metrics interface, road to deprecate metrics.Reporter (#2935)
* Updates to metrics interface, road to deprecate metrics.Reporter * adding tag filtering support and review comments
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| // The MIT License | ||
| // | ||
| // Copyright (c) 2020 Temporal Technologies Inc. All rights reserved. | ||
| // | ||
| // Copyright (c) 2020 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
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| package metrics | ||
|
|
||
| import ( | ||
| "sync" | ||
| "time" | ||
| ) | ||
|
|
||
| type ( | ||
| eventsClient struct { | ||
| provider MetricProvider | ||
| serviceIdx ServiceIdx | ||
|
|
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| scopes *sync.Map | ||
| } | ||
| ) | ||
|
|
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| var _ Client = (*eventsClient)(nil) | ||
|
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| func NewEventsClient(provider MetricProvider, idx ServiceIdx) *eventsClient { | ||
| serviceTypeTagValue, _ := MetricsServiceIdxToServiceName(idx) | ||
|
|
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| return &eventsClient{ | ||
| provider: provider.WithTags(ServiceTypeTag(serviceTypeTagValue), NamespaceTag(namespaceAllValue)), | ||
| serviceIdx: idx, | ||
| scopes: new(sync.Map), | ||
| } | ||
| } | ||
|
|
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| // IncCounter increments a counter metric | ||
| func (e eventsClient) IncCounter(scope int, counter int) { | ||
| e.Scope(scope).IncCounter(counter) | ||
| } | ||
|
|
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| // AddCounter adds delta to the counter metric | ||
| func (e eventsClient) AddCounter(scope int, counter int, delta int64) { | ||
| e.Scope(scope).AddCounter(counter, delta) | ||
| } | ||
|
|
||
| // StartTimer starts a timer for the given | ||
| // metric name. Time will be recorded when stopwatch is stopped. | ||
| func (e eventsClient) StartTimer(scope int, timer int) Stopwatch { | ||
| return e.Scope(scope).StartTimer(timer) | ||
| } | ||
|
|
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| // RecordTimer starts a timer for the given | ||
| // metric name | ||
| func (e eventsClient) RecordTimer(scope int, timer int, d time.Duration) { | ||
| e.Scope(scope).RecordTimer(timer, d) | ||
| } | ||
|
|
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| // RecordDistribution records and emits a distribution (wrapper on top of timer) for the given | ||
| // metric name | ||
| func (e eventsClient) RecordDistribution(scope int, timer int, d int) { | ||
| e.Scope(scope).RecordDistribution(timer, d) | ||
| } | ||
|
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| // UpdateGauge reports Gauge type absolute value metric | ||
| func (e eventsClient) UpdateGauge(scope int, gauge int, value float64) { | ||
| e.Scope(scope).UpdateGauge(gauge, value) | ||
| } | ||
|
|
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| // Scope returns an internal scope that can be used to add additional | ||
| // information to metrics | ||
| func (e eventsClient) Scope(scope int, tags ...Tag) Scope { | ||
| s, ok := e.scopes.Load(scope) | ||
|
|
||
| if !ok { | ||
| if s, ok = e.scopes.Load(scope); !ok { | ||
| s = newEventsScope(e.provider.WithTags(tags...), e.serviceIdx, scope) | ||
| e.scopes.Store(scope, s.(Scope)) | ||
| } | ||
| } | ||
|
|
||
| return s.(Scope) | ||
| } |
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