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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
var {ErrorCodes, ErrorCodeStrings} = (function() {
const handler = {
get: function(obj, prop) {
if (typeof prop !== "symbol" && prop in obj === false && prop in Object === false) {
throw new Error('Unknown Error Code: ' + prop.toString());
}
return obj[prop];
}
};
const ErrorCodesObject = {
//#for $ec in $codes
'$ec.name': $ec.code,
//#end for
};
const ErrorCodeStringsObject = {
//#for $ec in $codes
$ec.code: '$ec.name',
//#end for
};
return {
ErrorCodes: new Proxy(ErrorCodesObject, handler),
ErrorCodeStrings: new Proxy(ErrorCodeStringsObject, handler),
};
})();
//#for $cat in $categories
ErrorCodes.is${cat.name} = function(err) {
'use strict';
var error;
if (typeof err === 'string') {
error = err;
} else if (typeof err === 'number') {
if (Object.prototype.hasOwnProperty.call(ErrorCodeStrings, err)) {
error = ErrorCodeStrings[err];
} else {
return false;
}
}
switch (error) {
//#for $code in $cat.codes
case '$code':
return true;
//#end for
default:
return false;
}
};
//#end for
/**
* Returns true if the mongos `s` is expected to rewrite state change errors.
* This is determined by a `getParameter` of the "rewriteStateChangeErrors" option.
* Failure would indicate a mongos that doesn't support the rewrite feature.
*/
ErrorCodes.probeMongosRewrite = function(s) {
const param = "rewriteStateChangeErrors";
const res = s.adminCommand({getParameter: 1, [param]: 1});
if (!(param in res)) {
print("Mongos did not return a " + param + " server parameter: " + tojson(res));
return false;
}
return res[param];
};
/**
* Returns the ErrorCode to which the specified mongos `s` would remap the
* specified `err`. Mongos normally rewrites connection state change errors,
* unless it is shutting down or the code was injected by a mongos failpoint.
*
* The optional `doesRewrite` bool parameter provides a mechanism to bypass the
* probe, which may be useful if the probe would interfere with a test's
* operation.
*/
ErrorCodes.doMongosRewrite = function(s, err, doesRewrite) {
if (doesRewrite === undefined)
doesRewrite = ErrorCodes.probeMongosRewrite(s);
if (doesRewrite) {
if (ErrorCodes.isNotPrimaryError(err) || ErrorCodes.isShutdownError(err)) {
return ErrorCodes.HostUnreachable;
}
}
return err;
};
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