MySQL MCP Server

'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;