include/wipal/phy/avs_header.hh

/*
 * WiPal - A library and a set of tools to manipulate wireless traces.
 * Copyright (C) 2007, 2008, 2009  Universite Pierre et Marie Curie - Paris 6
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301  USA
 *
 * Author: Thomas Claveirole <thomas.claveirole@lip6.fr>
 */
#ifndef AVS_HEADER_HH_
# define AVS_HEADER_HH_

# include <wipal/phy/phy.hh>

namespace wpl
{

  // Forward declarations.
  namespace avs
  {
    struct      header;
  }


  // Virtual types.
  namespace tool
  {

    template <>
    struct types<avs::header>
    {
      typedef phy::uint64_time<>        time_type;
    };

  } // End of namespace tool.


  // Core declarations.

  namespace avs
  {

    struct header: public phy::header<avs::header>
    {
      typedef avs::header                       exact_type;
      typedef WP_TYPE_(time_type, exact_type)   time_type;

      size_t    len_impl(size_t, bool) const;
      time_type time_get_impl(bool) const;
      void      time_set_impl(const time_type&, bool);

      template <class S1, class S2>
      static bool
      eq_time(const pkt::packet<S1>&            lhs,
              const pkt::packet<S2>&            rhs,
              const unsigned                    prec,
              const tool::end::endianness       phy_end);

      uint64_t          mactime_get() const;

      uint64_t          hosttime_get() const;

    private:
      static uint64_t   uint64_get(const void*);

    public:

      struct v2_extra_fields
      {
        uint32_t        sequence;               
        uint32_t        drops;                  
        uint8_t         receiver_addr[6];       
        uint8_t         pad[2];                 
      } __attribute__ ((__packed__));

      uint32_t          version;        
      uint32_t          length;         
      uint64_t          mactime;        
      uint64_t          hosttime;       
      uint32_t          phytype;        
      uint32_t          channel;        
      uint32_t          datarate;       
      uint32_t          antenna;        
      uint32_t          priority;       
      uint32_t          ssi_type;       
      uint32_t          ssi_signal;     
      uint32_t          ssi_noise;      
      uint32_t          preamble;       
      uint32_t          encoding;       
      v2_extra_fields   v2_fields[];

    } __attribute__ ((__packed__));

  } // End of namespace wpl::avs.

} // End of namespace wpl.

# include "avs_header.hxx"

#endif // ! AVS_HEADER_HH_

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