sun-hdr-data.h

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//
// Copyright (c) 2021 Regents of the SIGNET lab, University of Padova.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
// 3. Neither the name of the University of Padova (SIGNET lab) nor the
//    names of its contributors may be used to endorse or promote products
//    derived from this software without specific prior written permission.
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#ifndef HDR_SUN_DATA_H
#define HDR_SUN_DATA_H
 
#include "sun-ipr-common-structures.h"
 
#include <packet.h>
 
#define HDR_SUN_DATA(p) (hdr_sun_data::access(p))
 
extern packet_t PT_SUN_DATA;
 
typedef struct hdr_sun_data {
 
    uint8_t list_of_hops_[MAX_HOP_NUMBER]; 
    int8_t pointer_to_list_of_hops_; 
    u_int8_t list_of_hops_length_; 
    static int offset_; 
    inline static int &
    offset()
    {
        return offset_;
    }
 
    inline uint8_t *
    list_of_hops()
    {
        return list_of_hops_;
    }
 
    inline u_int8_t &
    list_of_hops_length()
    {
        return list_of_hops_length_;
    }
 
    inline int8_t &
    pointer()
    {
        return pointer_to_list_of_hops_;
    }
 
    inline static struct hdr_sun_data *
    access(const Packet *p)
    {
        return (struct hdr_sun_data *) p->access(offset_);
    }
 
} hdr_sun_data;
 
#endif // HDR_SUN_DATA_H