include/wipal/wifi/stats/gaps.hh

/*
 * WiPal - A library and a set of tools to manipulate wireless traces.
 * Copyright (C) 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_STATS_GAPS_HH_
# define WIFI_STATS_GAPS_HH_

# include <map>

namespace wpl
{

  namespace wifi
  {

    namespace stats
    {

      struct gaps: public module
      {
        gaps(const void*);

        template <class Frame>
        void
        account_frame(const Frame&              frame,
                      const size_t&             ,
                      const type::frame_type&   ty,
                      const unsigned&           ,
                      const bool&               ,
                      const addr* const&        rx,
                      const addr* const&        tx,
                      const bool&               );

        void            account_gap(const unsigned& gap_length);

        std::ostream&   print(std::ostream& o) const;

      private:
        unsigned*                       last_;

        std::map<addr, unsigned>        inter_frames_;

        enum
          {
            clear       = 0,
            obstructed  = 1,
          };

        unsigned        gaps_[2];
        unsigned        misses_[2];
      };

    } // End of namespace wpl::wifi::stats.

  } // End of namespace wpl::wifi.

} // End of namespace wpl.

# include "gaps.hxx"

#endif // ! WIFI_STATS_GAPS_HH_

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