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codeql-action/node_modules/@azure/ms-rest-js/es/lib/policies/throttlingRetryPolicy.js
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// Copyright (c) Microsoft Corporation. All rights reserved. | |
// Licensed under the MIT License. See License.txt in the project root for license information. | |
import { __awaiter, __extends, __generator } from "tslib"; | |
import { BaseRequestPolicy, } from "./requestPolicy"; | |
import { Constants } from "../util/constants"; | |
import { delay } from "../util/utils"; | |
var StatusCodes = Constants.HttpConstants.StatusCodes; | |
var DEFAULT_RETRY_COUNT = 3; | |
export function throttlingRetryPolicy(maxRetries) { | |
if (maxRetries === void 0) { maxRetries = DEFAULT_RETRY_COUNT; } | |
return { | |
create: function (nextPolicy, options) { | |
return new ThrottlingRetryPolicy(nextPolicy, options, maxRetries); | |
}, | |
}; | |
} | |
/** | |
* To learn more, please refer to | |
* https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-manager-request-limits, | |
* https://docs.microsoft.com/en-us/azure/azure-subscription-service-limits and | |
* https://docs.microsoft.com/en-us/azure/virtual-machines/troubleshooting/troubleshooting-throttling-errors | |
*/ | |
var ThrottlingRetryPolicy = /** @class */ (function (_super) { | |
__extends(ThrottlingRetryPolicy, _super); | |
function ThrottlingRetryPolicy(nextPolicy, options, retryLimit) { | |
var _this = _super.call(this, nextPolicy, options) || this; | |
_this.retryLimit = retryLimit; | |
return _this; | |
} | |
ThrottlingRetryPolicy.prototype.sendRequest = function (httpRequest) { | |
return __awaiter(this, void 0, void 0, function () { | |
var _this = this; | |
return __generator(this, function (_a) { | |
return [2 /*return*/, this._nextPolicy.sendRequest(httpRequest.clone()).then(function (response) { | |
return _this.retry(httpRequest, response, 0); | |
})]; | |
}); | |
}); | |
}; | |
ThrottlingRetryPolicy.prototype.retry = function (httpRequest, httpResponse, retryCount) { | |
return __awaiter(this, void 0, void 0, function () { | |
var retryAfterHeader, delayInMs, res; | |
return __generator(this, function (_a) { | |
switch (_a.label) { | |
case 0: | |
if (httpResponse.status !== StatusCodes.TooManyRequests) { | |
return [2 /*return*/, httpResponse]; | |
} | |
retryAfterHeader = httpResponse.headers.get(Constants.HeaderConstants.RETRY_AFTER); | |
if (!(retryAfterHeader && retryCount < this.retryLimit)) return [3 /*break*/, 3]; | |
delayInMs = ThrottlingRetryPolicy.parseRetryAfterHeader(retryAfterHeader); | |
if (!delayInMs) return [3 /*break*/, 3]; | |
return [4 /*yield*/, delay(delayInMs)]; | |
case 1: | |
_a.sent(); | |
return [4 /*yield*/, this._nextPolicy.sendRequest(httpRequest)]; | |
case 2: | |
res = _a.sent(); | |
return [2 /*return*/, this.retry(httpRequest, res, retryCount + 1)]; | |
case 3: return [2 /*return*/, httpResponse]; | |
} | |
}); | |
}); | |
}; | |
ThrottlingRetryPolicy.parseRetryAfterHeader = function (headerValue) { | |
var retryAfterInSeconds = Number(headerValue); | |
if (Number.isNaN(retryAfterInSeconds)) { | |
return ThrottlingRetryPolicy.parseDateRetryAfterHeader(headerValue); | |
} | |
else { | |
return retryAfterInSeconds * 1000; | |
} | |
}; | |
ThrottlingRetryPolicy.parseDateRetryAfterHeader = function (headerValue) { | |
try { | |
var now = Date.now(); | |
var date = Date.parse(headerValue); | |
var diff = date - now; | |
return Number.isNaN(diff) ? undefined : diff; | |
} | |
catch (error) { | |
return undefined; | |
} | |
}; | |
return ThrottlingRetryPolicy; | |
}(BaseRequestPolicy)); | |
export { ThrottlingRetryPolicy }; | |
//# sourceMappingURL=throttlingRetryPolicy.js.map |