Name	Size	Mode	Actions
auth_switch.js	3590	0644	editdlrm
binlog_dump.js	2920	0644	editdlrm
change_user.js	2691	0644	editdlrm
client_handshake.js	8522	0644	editdlrm
close_statement.js	361	0644	editdlrm
command.js	1264	0644	editdlrm
execute.js	3717	0644	editdlrm
index.js	696	0644	editdlrm
ping.js	817	0644	editdlrm
prepare.js	3523	0644	editdlrm
query.js	10077	0644	editdlrm
quit.js	575	0644	editdlrm
register_slave.js	592	0644	editdlrm
server_handshake.js	6541	0644	editdlrm

'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;