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node-task/node_modules/mysql2/lib/packets/binlog_dump.js

33 lines
960 B
JavaScript

// http://dev.mysql.com/doc/internals/en/com-binlog-dump.html#packet-COM_BINLOG_DUMP
var Packet = require('../packets/packet');
var CommandCodes = require('../constants/commands');
// TODO: add flag to constants
// 0x01 - BINLOG_DUMP_NON_BLOCK
// send EOF instead of blocking
function BinlogDump(opts)
{
this.binlogPos = opts.binlogPos || 0;
this.serverId = opts.serverId || 0;
this.flags = opts.flags || 0;
this.filename = opts.filename || '';
}
BinlogDump.prototype.toPacket = function()
{
var length = 15 + // TODO: should be ascii?
Buffer.byteLength(this.filename, 'utf8');
var buffer = new Buffer(length);
var packet = new Packet(0, buffer);
packet.offset = 4;
packet.writeInt8(CommandCodes.BINLOG_DUMP);
packet.writeInt32(this.binlogPos);
packet.writeInt16(this.flags);
packet.writeInt32(this.serverId);
packet.writeString(this.filename);
return packet;
};
module.exports = BinlogDump;