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