all files / src/metrics/ metrics.js

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// @flow
// Copyright (c) 2016 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.
 
export default class Metrics {
    _factory: MetricFactory;
    tracesStartedSampled: Counter;
    tracesStartedNotSampled: Counter;
    tracesJoinedSampled: Counter;
    tracesJoinedNotSampled: Counter;
    spansStarted: Counter;
    spansFinished: Counter;
    spansSampled: Counter;
    spansNotSampled: Counter;
    decodingErrors: Counter;
    reporterSuccess: Counter;
    reporterFailure: Counter;
    reporterDropped: Counter;
    reporterQueueLength: Gauge;
    samplerRetrieved: Counter;
    samplerUpdated: Counter;
    samplerQueryFailure: Counter;
    samplerParsingFailure: Counter;
 
    constructor(factory: MetricFactory) {
        this._factory = factory;
 
        this.tracesStartedSampled = this._factory.createCounter('traces', {
            state: 'started',
            sampled: 'y'
        });
 
        this.tracesStartedNotSampled = this._factory.createCounter('traces', {
            state: 'started',
            sampled: 'n'
        });
 
        this.tracesJoinedSampled = this._factory.createCounter('traces', {
            state: 'joined',
            sampled: 'y'
        });
 
        this.tracesJoinedNotSampled = this._factory.createCounter('traces', {
            state: 'joined',
            sampled: 'n'
        });
 
        this.spansStarted = this._factory.createCounter('spans', {
            group: 'lifecycle',
            state: 'started'
        });
 
        this.spansFinished = this._factory.createCounter('spans', {
            group: 'lifecycle',
            state: 'finished'
        });
 
        this.spansSampled = this._factory.createCounter('spans', {
            group: 'sampling',
            sampled: 'y'
        });
 
        this.spansNotSampled = this._factory.createCounter('spans', {
            group: 'sampling',
            sampled: 'n'
        });
 
        this.decodingErrors = this._factory.createCounter('decoding-errors');
 
        this.reporterSuccess = this._factory.createCounter('reporter-spans', {
            state: 'success'
        });
 
        this.reporterFailure = this._factory.createCounter('reporter-spans', {
            state: 'failure'
        });
 
        this.reporterDropped = this._factory.createCounter('reporter-spans', {
            state: 'dropped'
        });
 
        this.reporterQueueLength = this._factory.createGauge('reporter-queue');
 
        this.samplerRetrieved = this._factory.createCounter('sampler', {
            state: 'retrieved'
        });
 
        this.samplerUpdated = this._factory.createCounter('sampler', {
            state: 'updated'
        });
 
        this.samplerQueryFailure = this._factory.createCounter('sampler', {
            state: 'failure',
            phase: 'query'
        });
 
        this.samplerParsingFailure = this._factory.createCounter('sampler', {
            state: 'failure',
            phase: 'parsing'
        });
    }
}