include/trace-tools/wifi/mactime_tracker.hxx

00001 /*
00002  * trace-tools - 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_HXX_
00023 # define WIFI_MACTIME_TRACKER_HXX_
00024 
00025 # include "mactime_tracker.hh"
00026 
00027 namespace wifi
00028 {
00029 
00030   inline
00031   mactime_tracker::mactime_tracker():
00032     mactime_ (0),
00033     wraps_ (0)
00034   {
00035   }
00036 
00037   inline
00038   void
00039   mactime_tracker::tick(mactime m)
00040   {
00041     if (m < mactime_)
00042       ++wraps_;
00043     mactime_ = m;
00044   }
00045 
00046   inline
00047   void
00048   mactime_tracker::tick(const prism::header* h, size_t caplen)
00049   {
00050     if (caplen < sizeof (prism::header))
00051       return;
00052 
00053     tick(h->mactime.data);
00054   }
00055 
00056   inline
00057   mactime_tracker::operator tool::microseconds () const
00058   {
00059     return tool::microseconds(wraps_, mactime_);
00060   }
00061 
00062 } // End of namespace wifi.
00063 
00064 #endif // ! WIFI_MACTIME_TRACKER_HXX_

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