/* * Copyright 2008-2108 amoeba.meidusa.com * * This program is free software; you can redistribute it and/or modify it under the terms of * the GNU AFFERO GENERAL PUBLIC LICENSE as published by the Free Software Foundation; either version 3 of the License, * or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU AFFERO GENERAL PUBLIC LICENSE for more details. * You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE along with this program; * if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package com.meidusa.amoeba.mysql.filter; import org.apache.log4j.Logger; import com.meidusa.amoeba.mysql.filter.FilterInvocation.Result; import com.meidusa.amoeba.mysql.handler.MySqlCommandDispatcher; import com.meidusa.amoeba.mysql.net.packet.MysqlPacketBuffer; import com.meidusa.amoeba.mysql.net.packet.OkPacket; import com.meidusa.amoeba.mysql.net.packet.QueryCommandPacket; /** * * @author <a href=mailto:piratebase@sina.com>Struct chen</a> * */ public class PacketIOFilter extends AbstractIOFilter { protected static Logger logger = Logger.getLogger(MySqlCommandDispatcher.class); @Override protected Result packetFilter(byte[] message) { if(MysqlPacketBuffer.isPacketType(message, QueryCommandPacket.COM_QUIT)){ return Result.QUIT; }else if(MysqlPacketBuffer.isPacketType(message, QueryCommandPacket.COM_STMT_CLOSE)){ return Result.RETURN; }else if(MysqlPacketBuffer.isPacketType(message, QueryCommandPacket.COM_PING)){ OkPacket ok = new OkPacket(); ok.affectedRows = 0; ok.insertId = 0; ok.packetId = 1; ok.serverStatus = 2; this.setResultBuffer(ok.toByteBuffer(null).array()); return Result.RETURN; } return null; } }