@opentelemetry/sdk-trace-base
Version:
137 lines • 6.88 kB
JavaScript
/*
* 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.
*/
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
import { TraceFlags } from '@opentelemetry/api';
import { internal, ExportResultCode, globalErrorHandler, BindOnceFuture, } from '@opentelemetry/core';
/**
* An implementation of the {@link SpanProcessor} that converts the {@link Span}
* to {@link ReadableSpan} and passes it to the configured exporter.
*
* Only spans that are sampled are converted.
*
* NOTE: This {@link SpanProcessor} exports every ended span individually instead of batching spans together, which causes significant performance overhead with most exporters. For production use, please consider using the {@link BatchSpanProcessor} instead.
*/
var SimpleSpanProcessor = /** @class */ (function () {
function SimpleSpanProcessor(_exporter) {
this._exporter = _exporter;
this._shutdownOnce = new BindOnceFuture(this._shutdown, this);
this._unresolvedExports = new Set();
}
SimpleSpanProcessor.prototype.forceFlush = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
// await unresolved resources before resolving
return [4 /*yield*/, Promise.all(Array.from(this._unresolvedExports))];
case 1:
// await unresolved resources before resolving
_a.sent();
if (!this._exporter.forceFlush) return [3 /*break*/, 3];
return [4 /*yield*/, this._exporter.forceFlush()];
case 2:
_a.sent();
_a.label = 3;
case 3: return [2 /*return*/];
}
});
});
};
SimpleSpanProcessor.prototype.onStart = function (_span, _parentContext) { };
SimpleSpanProcessor.prototype.onEnd = function (span) {
var _this = this;
var _a, _b;
if (this._shutdownOnce.isCalled) {
return;
}
if ((span.spanContext().traceFlags & TraceFlags.SAMPLED) === 0) {
return;
}
var doExport = function () {
return internal
._export(_this._exporter, [span])
.then(function (result) {
var _a;
if (result.code !== ExportResultCode.SUCCESS) {
globalErrorHandler((_a = result.error) !== null && _a !== void 0 ? _a : new Error("SimpleSpanProcessor: span export failed (status " + result + ")"));
}
})
.catch(function (error) {
globalErrorHandler(error);
});
};
// Avoid scheduling a promise to make the behavior more predictable and easier to test
if (span.resource.asyncAttributesPending) {
var exportPromise_1 = (_b = (_a = span.resource).waitForAsyncAttributes) === null || _b === void 0 ? void 0 : _b.call(_a).then(function () {
if (exportPromise_1 != null) {
_this._unresolvedExports.delete(exportPromise_1);
}
return doExport();
}, function (err) { return globalErrorHandler(err); });
// store the unresolved exports
if (exportPromise_1 != null) {
this._unresolvedExports.add(exportPromise_1);
}
}
else {
void doExport();
}
};
SimpleSpanProcessor.prototype.shutdown = function () {
return this._shutdownOnce.call();
};
SimpleSpanProcessor.prototype._shutdown = function () {
return this._exporter.shutdown();
};
return SimpleSpanProcessor;
}());
export { SimpleSpanProcessor };
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