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src/inspectorj/jdwp/jdwppacket.h

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/***************************************************************************
 *   inspectorJ - java profiler                                            *
 *   Copyright (C) 2007 by James May
 *                                                                         *
 *   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 2 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.             *
 ***************************************************************************/

#ifndef JDWPPACKET_H
#define JDWPPACKET_H

#include "inspectorj/jdwp/jdwpconstants.h"
#include "jdwpTransport.h"
#include <QByteArray>
#include <QDataStream>
             
namespace inspectorj {
namespace jdwp {
                
class JDWPPacket
{
    public:
        JDWPPacket();
        virtual ~JDWPPacket();

        virtual jint getLength();
        virtual jbyte getPacketType() = 0;
        virtual jint getId() = 0;
        virtual short getErrorCode();
        char* getDataBytes();
        virtual JDWPPacket* copy() = 0;
        
        static void initIDSizes(JDWPPacket&);
        

        /* ====  Write operators  ==== */

        JDWPPacket& operator<<(jbyte &byte);
        
        JDWPPacket& operator<<(bool &b);        
        
        JDWPPacket& operator<<(jint &i);     

#if defined (_WIN32)
        JDWPPacket& operator<<(qint32 &i);
#endif

        JDWPPacket& operator<<(qint64 &i);           

        JDWPPacket& operator<<(QString &s);
        
        JDWPPacket& operator<<(FieldID &fid);
                
        JDWPPacket& operator<<(ObjectID &oid);
        
        JDWPPacket& operator<<(MethodID &mid);   
             
        JDWPPacket& operator<<(ReferenceTypeID &rid);         

        JDWPPacket& operator<<(FrameID &fid);           

        /* ==== Read operators ==== */

        JDWPPacket& operator>>(jbyte &b);
        
        JDWPPacket& operator>>(bool &b);        
                        
        JDWPPacket& operator>>(qint32 &i);
        
        JDWPPacket& operator>>(qint64 &i);        
        
        JDWPPacket& operator>>(QString &s);   
        
        JDWPPacket& operator>>(FieldID &fid);
                
        JDWPPacket& operator>>(ObjectID &oid);
        
        JDWPPacket& operator>>(MethodID &mid);    
            
        JDWPPacket& operator>>(ReferenceTypeID &rid);   
                
        JDWPPacket& operator>>(FrameID &fid);           


    protected:
        
        /* The following data type sizes are VM specific */
        
        static int FIELD_ID_SIZE;
        
        static int OBJECT_ID_SIZE;
        
        static int METHOD_ID_SIZE;
        
        static int REFERENCE_TYPE_ID_SIZE;
        
        static int FRAME_ID_SIZE;

        QDataStream *data;
        
        QByteArray bytes;
    
        void setReadMode();
        
        void setWriteMode();
        
};

} // end namespace jdwp
} // end namespace inspectorj

#endif //JDWPPACKET_H

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