38 lines
1.3 KiB
JavaScript
38 lines
1.3 KiB
JavaScript
|
|
/*
|
||
|
|
* Copyright © 2016-2018 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');
|
||
|
|
const uuidParse = require('uuid-parse');
|
||
|
|
|
||
|
|
var logger = require('../config/logger')('Utils');
|
||
|
|
|
||
|
|
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);
|
||
|
|
var buff = new Buffer(uuidBytes, 'utf8');
|
||
|
|
return uuidParse.unparse(uuidBytes);
|
||
|
|
}
|
||
|
|
|
||
|
|
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];
|
||
|
|
}
|