uwtokenbus_hdr.h

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//
// Copyright (c) 2021 Regents of the SIGNET lab, University of Padova.
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#ifndef UWTOKENBUS_HDR_H
#define UWTOKENBUS_HDR_H
 
#include <cstdint>
#include <limits>
#include <packet.h>
 
typedef uint_least16_t
        tokenid_t; 
constexpr size_t TOKENIDMAX = std::numeric_limits<tokenid_t>::max();
 
extern packet_t PT_UWTOKENBUS;
typedef struct hdr_tokenbus {
public:
    static int offset_; 
    tokenid_t token_id_; 
    tokenid_t &
    tokenId()
    {
        return (token_id_);
    }
 
    size_t
    getSize() const
    {
        return sizeof(tokenid_t);
    }
 
    inline static int &
    offset()
    {
        return offset_;
    }
 
    inline static struct hdr_tokenbus *
    access(const Packet *p)
    {
        return (struct hdr_tokenbus *) p->access(offset_);
    }
} hdr_tokenbus;
 
#define HDR_TOKENBUS(p)    \
    (hdr_tokenbus::access( \
            p)) 
#endif