ipv4.h

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#ifndef IPV4_H
#define IPV4_H
 
#include "src/models/ipaddress.h"
#include "src/models/package.h"
#include <QDebug>
#include <QList>
#include <QString>
#include <QVector>
 
 
namespace NetSim {
 
 
enum IPFlag { MF = 0, DF = 1 };
 
class IPv4 {
public:
  static void initHeader(quint16 id, bool DF, bool MF, quint16 fragmentOffset,
                         quint8 ttl, quint8 protocol,
                         const IPAddress &sourceAddress,
                         const IPAddress &destinationAdress, Package &data);
 
private:
  static quint16 getIPv4Checksum(quint16 totalLength, quint16 id, quint8 flags,
                                 quint16 fragOffset, quint8 ttl,
                                 quint8 protocol,
                                 const QVector<quint8> &srcAddress,
                                 const QVector<quint8> &destAddress,
                                 const char *data, quint16 dataLength);
 
  static void setFlag(quint8 *flags, bool set, quint8 position);
};
} // namespace NetSim
 
#endif // IPV4_H