include/wipal/wifi/stats/on_off_data.hh

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

# include <wipal/wifi/stats/module.hh>

namespace wpl
{

  namespace wifi
  {

    namespace stats
    {

      struct on_off_data: public module
      {
        on_off_data(const void* other_modules = 0);

        template <class Frame>
        void
        account_frame(const Frame&              frame,
                      const size_t&             len80211,
                      const type::frame_type&   type,
                      const unsigned&           subtype,
                      const bool&               retx,
                      const addr* const&        receiver,
                      const addr* const&        transmitter,
                      const bool&               from_ap);

        void                    restart();
        std::ostream&           print(std::ostream& os) const;

        tool::microseconds      time_on(const addr& sta) const;

      private:

        struct state
        {
          enum
            {
              lifetime = 3 * 60 * 1000 * 1000
            };

          state(const tool::microseconds& first_seen);

          tool::microseconds                    last_seen;
          std::vector<tool::microseconds>       events;
        };

        typedef std::pair<unsigned, addr>       state_id;
        typedef std::map<state_id, state>       states;

        unsigned                        trace_;
        std::vector<tool::microseconds> last_stamps_;
        states                          states_;
      };


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

  } // End of namespace wpl::wifi.

} // End of namespace wpl.

# include "on_off_data.hxx"

#endif // ! WIFI_STATS_ON_OFF_DATA_HH_

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