uw-csma-ca-hdrs.h

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//
// Copyright (c) 2017 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.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
 
#ifndef UWCSMA_CA_HDRS
#define UWCSMA_CA_HDRS
 
#include <packet.h>
#include <stdint.h>
 
#define CA_RTS_HDR_ACCESS(p) (hdr_ca_RTS::access(p))
#define CA_CTS_HDR_ACCESS(p) (hdr_ca_CTS::access(p))
 
extern packet_t PT_CA_RTS;
extern packet_t PT_CA_CTS;
extern packet_t PT_CA_ACK;
 
typedef struct hdr_ca_RTS {
private:
    uint8_t tx_time;
 
public:
    static int offset_;
    uint8_t &
    get_tx_time()
    {
        return tx_time;
    }
    inline static int &
    get_offset()
    {
        return offset_;
    }
    inline void
    set_tx_time(int time)
    {
        tx_time = time;
    }
    inline static struct hdr_ca_RTS *
    access(const Packet *p)
    {
        return (struct hdr_ca_RTS *) p->access(offset_);
    }
} hdr_ca_RTS;
 
typedef struct hdr_ca_CTS {
private:
    uint8_t tx_time;
 
public:
    static int offset_;
    uint8_t &
    get_tx_time()
    {
        return tx_time;
    }
    inline static int &
    get_offset()
    {
        return offset_;
    }
    inline void
    set_tx_time(int time)
    {
        tx_time = time;
    }
    inline static struct hdr_ca_CTS *
    access(const Packet *p)
    {
        return (struct hdr_ca_CTS *) p->access(offset_);
    }
} hdr_ca_CTS;
 
#endif