node-query/node_modules/mysql2/lib/packets/register_slave.js

42 lines
1.5 KiB
JavaScript

// http://dev.mysql.com/doc/internals/en/com-register-slave.html
// note that documentation is incorrect, for example command code is actually 0x15 but documented as 0x14
var Packet = require('../packets/packet');
var CommandCodes = require('../constants/commands');
function RegisterSlave(opts)
{
this.serverId = opts.serverId || 0;
this.slaveHostname = opts.slaveHostname || '';
this.slaveUser = opts.slaveUser || '';
this.slavePassword = opts.slavePassword || '';
this.slavePort = opts.slavePort || 0;
this.replicationRank = opts.replicationRank || 0;
this.masterId = opts.masterId || 0;
}
RegisterSlave.prototype.toPacket = function()
{
var length = 15 + // TODO: should be ascii?
Buffer.byteLength(this.slaveHostname, 'utf8') +
Buffer.byteLength(this.slaveUser, 'utf8') +
Buffer.byteLength(this.slavePassword, 'utf8') + 3 + 4;
var buffer = new Buffer(length);
var packet = new Packet(0, buffer);
packet.offset = 4;
packet.writeInt8(CommandCodes.REGISTER_SLAVE);
packet.writeInt32(this.serverId);
packet.writeInt8(Buffer.byteLength(this.slaveHostname, 'utf8'));
packet.writeString(this.slaveHostname);
packet.writeInt8(Buffer.byteLength(this.slaveUser, 'utf8'));
packet.writeString(this.slaveUser);
packet.writeInt8(Buffer.byteLength(this.slavePassword, 'utf8'));
packet.writeString(this.slavePassword);
packet.writeInt16(this.slavePort);
packet.writeInt32(this.replicationRank);
packet.writeInt32(this.masterId);
return packet;
};
module.exports = RegisterSlave;