include/wipal/wifi/time_converter.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 WIFI_TIME_CONVERTER_HH_
# define WIFI_TIME_CONVERTER_HH_

extern "C"
{
# include <inttypes.h>
}

# include <wipal/tool/static_base.hh>
# include <wipal/tool/microseconds.hh>

namespace wpl
{

  namespace wifi
  {

    template <class PhyHeaderType, class Bottom = tool::bottom>
    struct time_converter: WP_INHERIT(public tool::static_base,
                                      time_converter<PhyHeaderType, Bottom>)
    {

      typedef WP_GET_EXACT(Bottom, time_converter<PhyHeaderType, Bottom>)
        exact_type;
      typedef tool::static_base<exact_type>     super_type;

      typedef struct timeval                    pcap_time_type;

      typedef typename PhyHeaderType::time_type phy_time_type;

      time_converter(const pcap_time_type&      local_pcap_time,
                     const phy_time_type&       local_phy_time,
                     const tool::microseconds&  global_time);

      struct time_values
      {
        time_values();

        time_values(const pcap_time_type&       pcap_time,
                    const phy_time_type&        phy_time);

        pcap_time_type  pcap_time;

        phy_time_type   phy_time;
      };

      time_values       operator () (const tool::microseconds& global_time) const;

    private:
      time_values               local_reference_;
      tool::microseconds        global_reference_;
    };

  } // End of namespace wpl::wifi.

} // End of namespace wpl.

# include "time_converter.hxx"

#endif // ! WIFI_TIME_CONVERTER_HH_

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