include/wipal/wifi/mactime_tracker.hh

00001 /*
00002  * WiPal - A library and a set of tools to manipulate wireless traces.
00003  * Copyright (C) 2007  Universite Pierre et Marie Curie - Paris 6
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation; either version 2 of the License, or
00008  * (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software
00017  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
00018  * MA  02110-1301  USA
00019  *
00020  * Author: Thomas Claveirole <thomas.claveirole@lip6.fr>
00021  */
00022 #ifndef WIFI_MACTIME_TRACKER_HH_
00023 # define WIFI_MACTIME_TRACKER_HH_
00024 
00025 extern "C"
00026 {
00027 # include <inttypes.h>
00028 }
00029 
00030 # include <wipal/tool/static_base.hh>
00031 # include <wipal/tool/microseconds.hh>
00032 # include <wipal/phy/prism_header.hh>
00033 
00034 namespace wifi
00035 {
00036 
00049   template <class Bottom = tool::bottom>
00050   struct mactime_tracker: wp_inherit(public tool::static_base,
00051                                      mactime_tracker<Bottom>)
00052   {
00054     typedef uint32_t            mactime_type;
00055 
00057     mactime_tracker();
00058 
00060     mactime_tracker(const mactime_type& mactime_start);
00061 
00063     void                        tick(const mactime_type&);
00064 
00066     void                        tick(const prism::header*       header,
00067                                      size_t                     caplen,
00068                                      bool                       swapped);
00069 
00071     tool::microseconds          microseconds() const;
00072 
00074     const mactime_type&         mactime() const;
00075 
00076   private:
00077     mactime_type        mactime_;
00078     unsigned            wrap_count_;
00079   };
00080 
00081 } // End of namespace wifi.
00082 
00083 # include "mactime_tracker.hxx"
00084 
00085 #endif // ! WIFI_MACTIME_TRACKER_HH_

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