/
astafievk
/
source_code
Обзор
Документация
Войти
/
astafievk
/
source_code
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
Api/node_modules/mysql2/lib/commands/ping.js
36 строк
817 B
astafievK
source code
21 июн 2024, 21:02
21 июн 2024, 21:02
37a1d03
Код
Авторство
О чём код?
'use strict'; const Command = require('./command'); const CommandCode = require('../constants/commands'); const Packet = require('../packets/packet'); // TODO: time statistics? // usefull for queue size and network latency monitoring // store created,sent,reply timestamps class Ping extends Command { constructor(callback) { super(); this.onResult = callback; } start(packet, connection) { const ping = new Packet( 0, Buffer.from([1, 0, 0, 0, CommandCode.PING]), 0, 5 ); connection.writePacket(ping); return Ping.prototype.pingResponse; } pingResponse() { // TODO: check it's OK packet. error check already done in caller if (this.onResult) { process.nextTick(this.onResult.bind(this)); } return null; } } module.exports = Ping;