Marc Mintel
5397309103
Some checks failed
Build & Deploy / 🔍 Prepare (push) Successful in 20s
Build & Deploy / 🧪 QA (push) Failing after 34s
Build & Deploy / 🏗️ Build (push) Has started running
Build & Deploy / 🚀 Deploy (push) Has been cancelled
Build & Deploy / 🧪 Smoke Test (push) Has been cancelled
Build & Deploy / ⚡ Lighthouse (push) Has been cancelled
Build & Deploy / 🔔 Notify (push) Has been cancelled
55 lines
2.0 KiB
Plaintext
55 lines
2.0 KiB
Plaintext
"use strict";
|
|
/*
|
|
* Copyright The OpenTelemetry Authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* https://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
exports.TraceIdRatioBasedSampler = void 0;
|
|
const api_1 = require("@opentelemetry/api");
|
|
const Sampler_1 = require("../Sampler");
|
|
/** Sampler that samples a given fraction of traces based of trace id deterministically. */
|
|
class TraceIdRatioBasedSampler {
|
|
_ratio;
|
|
_upperBound;
|
|
constructor(ratio = 0) {
|
|
this._ratio = this._normalize(ratio);
|
|
this._upperBound = Math.floor(this._ratio * 0xffffffff);
|
|
}
|
|
shouldSample(context, traceId) {
|
|
return {
|
|
decision: (0, api_1.isValidTraceId)(traceId) && this._accumulate(traceId) < this._upperBound
|
|
? Sampler_1.SamplingDecision.RECORD_AND_SAMPLED
|
|
: Sampler_1.SamplingDecision.NOT_RECORD,
|
|
};
|
|
}
|
|
toString() {
|
|
return `TraceIdRatioBased{${this._ratio}}`;
|
|
}
|
|
_normalize(ratio) {
|
|
if (typeof ratio !== 'number' || isNaN(ratio))
|
|
return 0;
|
|
return ratio >= 1 ? 1 : ratio <= 0 ? 0 : ratio;
|
|
}
|
|
_accumulate(traceId) {
|
|
let accumulation = 0;
|
|
for (let i = 0; i < traceId.length / 8; i++) {
|
|
const pos = i * 8;
|
|
const part = parseInt(traceId.slice(pos, pos + 8), 16);
|
|
accumulation = (accumulation ^ part) >>> 0;
|
|
}
|
|
return accumulation;
|
|
}
|
|
}
|
|
exports.TraceIdRatioBasedSampler = TraceIdRatioBasedSampler;
|
|
//# sourceMappingURL=TraceIdRatioBasedSampler.js.map |