2020-01-06 16:41:04 +02:00

38 lines
1.3 KiB
JavaScript

/*
* Copyright © 2016-2020 The Thingsboard 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
*
* 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.
*/
'use strict';
const Long = require('long'),
uuidParse = require('uuid-parse');
exports.toUUIDString = function(mostSigBits, leastSigBits) {
var msbBytes = Long.fromValue(mostSigBits, false).toBytes(false);
var lsbBytes = Long.fromValue(leastSigBits, false).toBytes(false);
var uuidBytes = msbBytes.concat(lsbBytes);
return uuidParse.unparse(uuidBytes);
}
exports.UUIDFromBuffer = function(buf) {
return uuidParse.unparse(buf);
}
exports.UUIDToBits = function(uuidString) {
const bytes = uuidParse.parse(uuidString);
var msb = Long.fromBytes(bytes.slice(0,8), false, false).toString();
var lsb = Long.fromBytes(bytes.slice(-8), false, false).toString();
return [msb, lsb];
}