34 lines
984 B
JavaScript
34 lines
984 B
JavaScript
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'use strict';
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// http://dev.mysql.com/doc/internals/en/com-binlog-dump.html#packet-COM_BINLOG_DUMP
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const Packet = require('../packets/packet');
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const CommandCodes = require('../constants/commands');
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// TODO: add flag to constants
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// 0x01 - BINLOG_DUMP_NON_BLOCK
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// send EOF instead of blocking
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class BinlogDump {
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constructor(opts) {
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this.binlogPos = opts.binlogPos || 0;
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this.serverId = opts.serverId || 0;
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this.flags = opts.flags || 0;
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this.filename = opts.filename || '';
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}
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toPacket() {
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const length = 15 + Buffer.byteLength(this.filename, 'utf8'); // TODO: should be ascii?
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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.BINLOG_DUMP);
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packet.writeInt32(this.binlogPos);
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packet.writeInt16(this.flags);
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packet.writeInt32(this.serverId);
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packet.writeString(this.filename);
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return packet;
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}
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}
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module.exports = BinlogDump;
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