u_char *getPayload(const u_char* packet, int packetSize, int &payloadSize,
std::string &srcIp, std::string &dstIp, int &fragmentId, bool &dfFlag,
bool &mfFlag, int &fragmentOffset) {
u_char *getPayload(const u_char* packet, int packetSize, int &payloadSize,
std::string &srcIp, std::string &dstIp, int &fragmentId, bool &dfFlag,
bool &mfFlag, int &fragmentOffset) {