55 lines
1.2 KiB
JavaScript
55 lines
1.2 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
const Command = require('./command');
|
||
|
|
const Errors = require('../misc/errors');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* send a COM_RESET_CONNECTION: permits to reset a connection without re-authentication.
|
||
|
|
* see https://mariadb.com/kb/en/library/com_reset_connection/
|
||
|
|
*/
|
||
|
|
class Reset extends Command {
|
||
|
|
constructor(resolve, reject) {
|
||
|
|
super(resolve, reject);
|
||
|
|
}
|
||
|
|
|
||
|
|
start(out, opts, info) {
|
||
|
|
out.startPacket(this);
|
||
|
|
out.writeInt8(0x1f);
|
||
|
|
out.flushBuffer(true);
|
||
|
|
this.emit('send_end');
|
||
|
|
this.onPacketReceive = this.readResetResponsePacket;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Read response packet.
|
||
|
|
* packet can be :
|
||
|
|
* - an ERR_Packet
|
||
|
|
* - a OK_Packet
|
||
|
|
*
|
||
|
|
* @param packet query response
|
||
|
|
* @param out output writer
|
||
|
|
* @param opts connection options
|
||
|
|
* @param info connection info
|
||
|
|
*/
|
||
|
|
readResetResponsePacket(packet, out, opts, info) {
|
||
|
|
if (packet.peek() !== 0x00) {
|
||
|
|
return this.throwNewError(
|
||
|
|
'unexpected packet',
|
||
|
|
false,
|
||
|
|
info,
|
||
|
|
'42000',
|
||
|
|
Errors.ER_RESET_BAD_PACKET
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
packet.skip(1); //skip header
|
||
|
|
packet.skipLengthCodedNumber(); //affected rows
|
||
|
|
packet.skipLengthCodedNumber(); //insert ids
|
||
|
|
|
||
|
|
info.status = packet.readUInt16();
|
||
|
|
this.successEnd(null);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = Reset;
|