include/wipal/wifi/stats/ssid_stats.hxx

/*
 * 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_SSID_STATS_HXX_
# define WIFI_STATS_SSID_STATS_HXX_

# include <boost/format.hpp>

# include <wipal/wifi/stats/ssid_stats.hh>
# include <wipal/wifi/essid.hh>
# include <wipal/tool/less.hh>

namespace wpl
{

  namespace wifi
  {

    namespace stats
    {

      inline
      ssid_stats::ssid_stats(const void*): total_ (0)
      {
      }

      template <class Frame>
      void
      ssid_stats::account_beacon(const Frame&           ,
                                 const addr* const&     ,
                                 const addr* const&     ,
                                 const optional_string& ssid,
                                 const bool&            )
      {
        if (ssid)
          {
            ++total_;
            ++freqs_[*ssid];
          }
      }

      inline
      std::ostream&
      ssid_stats::print(std::ostream& os) const
      {
        typedef std::set<freq_type::const_iterator,
                         tool::less_using_second>       sorted_ssids;

        boost::format   f ("    %40d  %f  %d\n");
        sorted_ssids    s;

        for (freq_type::const_iterator i = freqs_.begin();
             i != freqs_.end();
             ++i)
          s.insert(i);

        os << "begin SSID figures\n"
           << "  distinct SSID's: " << freqs_.size() << '\n'
           << '\n'
           << "  begin SSID list (ordered by frequency)\n";
        for (sorted_ssids::const_iterator i = s.begin(); i != s.end(); ++i)
          os << (f % essid ((*i)->first)
                   % (double ((*i)->second) / double (total_))
                   % (*i)-> second);
        os << "  end SSID list (ordered by frequency)\n"
           << '\n'
           << "  begin SSID list (ordered by SSID)\n";
        for (freq_type::const_iterator i = freqs_.begin();
             i != freqs_.end();
             ++i)
          os << (f % essid (i->first)
                   % (double (i->second) / double (total_))
                   % i-> second);
        os << "  end SSID list (ordered by SSID)\n";

        return os << "end SSID figures" << std::endl;
      }

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

  } // End of namespace wpl::wifi.

} // End of namespace wpl.

#endif // ! WIFI_STATS_SSID_STATS_HXX_

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