protocol
Version:
Protocols for Node.JS
62 lines (59 loc) • 2.28 kB
JavaScript
/*
* MIT License
*
* Copyright (c) 2017 Wouter Klijn <contact@wuhkuh.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
'use strict'
module.exports = {
modules: {
flatten: { firstBits: { firstBit: 1, secondBit: 0 }, firstNibble: 6 },
flattenSchema: {
header: [{
bit1: { bitLength: 1 },
bit2: { bitLength: 2 },
bit3: { bitLength: 2 },
bit4: { bitLength: 3 }
}],
payloadLength: { bitLength: 4 },
payload: { byteLength: 'payloadLength', encoding: 'utf8' },
next: { bitLength: 4 }
},
unflatten: { 'firstBits.firstBit': 1, 'firstBits.secondBit': 0, firstNibble: 6 },
setup: {
'header.bit1': { bitLength: 1 },
'header.bit2': { bitLength: 2 },
'header.bit3': { bitLength: 2 },
'header.bit4': { bitLength: 3 },
payloadLength: { bitLength: 4 },
payload: { byteLength: 'payloadLength', encoding: 'utf8' },
next: { bitLength: 4 }
}
},
protocol: {
generate: {
header: { bit1: 1, bit2: 2, bit3: 3, bit4: 2 },
payloadLength: 4,
payload: 'abcd',
next: 8
},
parse: Buffer.from([0xda, 0x40, 0x61, 0x62, 0x63, 0x64, 0x80])
}
}