@splunk/otel
Version:
The Splunk distribution of OpenTelemetry Node Instrumentation provides a Node agent that automatically instruments your Node application to capture and report distributed traces to Splunk APM.
53 lines • 2.01 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ProfilingContextManager = void 0;
/*
* Copyright Splunk Inc.
*
* 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
*
* http://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.
*/
const opentelemetry = require("@opentelemetry/api");
const context_async_hooks_1 = require("@opentelemetry/context-async-hooks");
const _1 = require(".");
class ProfilingContextManager extends context_async_hooks_1.AsyncHooksContextManager {
constructor() {
super();
let recorder = (0, _1.loadExtension)();
if (recorder === undefined) {
recorder = {
enterContext: () => { },
exitContext: () => { },
};
}
this._recorder = recorder;
this._enterContextOriginal = this['_enterContext'];
this['_enterContext'] = this._enterContextOverride;
this['_exitContext'] = this._exitContextOverride;
}
_enterContextOverride(context) {
this._enterContextOriginal(context);
const spanCtx = opentelemetry.trace.getSpanContext(context);
if (!spanCtx)
return;
const { traceId, spanId } = spanCtx;
this._recorder.enterContext(context, traceId, spanId);
}
_exitContextOverride() {
const context = this['_stack'].pop();
if (context) {
this._recorder.exitContext(context);
}
}
}
exports.ProfilingContextManager = ProfilingContextManager;
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