//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see http://www.gnu.org/licenses/.
//
#ifndef SDU_H_
#define SDU_H_
#include <omnetpp.h>
#include <cobject.h>
#include <vector>
#include "EFCP_defs.h"
#include "CDAPMessage_m.h"
#include "SDU_m.h"
#define SDU_SEQ_NUM_PRESENT 0x08
#define SDU_NO_LENGTH 0x04
#define SDU_NO_L_MID_FRAG 0x00
#define SDU_NO_L_FIRST_FRAG 0x01
#define SDU_NO_L_LAST_FRAG 0x02
#define SDU_NO_L_ONE_SDU 0x03
#define SDU_L_COMP_SDU 0x00 /* It may express ZERO or more complete SDUs*/
#define SDU_L_SDU_FIRST_FRAG 0x01
#define SDU_L_LAST_FRAG_SDU 0x02
#define SDU_L_LAST_SDU_FIRST_FRAG 0x03 /* Last fragment, ZERO or more SDUs followed by first fragment */
typedef std::vector<cPacket*> mUserDataType;
class SDU : public SDU_Base
{
private:
unsigned char * userData; //Deprecated
// unsigned int size;
// unsigned int offset;
mUserDataType mUserData_var;
void copy(const SDU& other);
public:
// SDU();
virtual ~SDU();
SDU(const char *name=NULL, int kind=0);
SDU(const SDU& other); // : SDU_Base(other) {copy(other);}
SDU& operator=(const SDU& other)
{
if (this == &other)
return *this;
SDU_Base::operator=(other);
copy(other);
return *this;
}
virtual SDU *dup() const {return new SDU(*this);}
// ADD CODE HERE to redefine and implement pure virtual functions from SDU_Base
unsigned int getSize() const;
unsigned int getAbsoluteSize() const;
unsigned int getRestSize() const;
void setSize(unsigned int size);
unsigned char* getUserData() const;
const unsigned char* getUserData(unsigned int offset);
void setUserData(unsigned char* userData, unsigned int size);
bool addUserData(cPacket* msg);
cPacket* getUserData();
std::vector<SDU*>fragment(unsigned int size);
SDU* genFragment(unsigned int size, unsigned int fSeqNum, unsigned int fOffset);
void setFragment(unsigned int size, unsigned int fSeqNum, unsigned int fOffset);
};
#endif /* SDU_H_ */