/*
* This program is free software; you can redistribute it and/or modify it under the terms of
* the GNU 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 General Public License for more details.
* You should have received a copy of the GNU 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;
}
}