include/wipal/wifi/frame/filter/simple_merge.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_FRAME_FILTER_SIMPLE_MERGE_HH_
00023 # define WIFI_FRAME_FILTER_SIMPLE_MERGE_HH_
00024 
00025 # include <wipal/tool/iterator.hh>
00026 # include <wipal/tool/iterable.hh>
00027 # include <wipal/wifi/addr_mapping.hh>
00028 
00029 /*---------------------.
00030 | Forward declarations |
00031 `---------------------*/
00032 namespace wifi
00033 {
00034   namespace frame
00035   {
00036     namespace filter
00037     {
00038 
00039       namespace internals
00040       {
00041         template <class, class, class, class, class>
00042         struct simple_merge_iterator;
00043       }
00044 
00045       template <class, class, class, class>
00046       struct simple_merge;
00047 
00048     }
00049   }
00050 }
00051 
00052 
00053 /*--------------.
00054 | Virtual types |
00055 `--------------*/
00056 
00057 namespace tool
00058 {
00059 
00060   template <class HT, class I1, class I2, class B1, class B2>
00061   struct types< wifi::frame::filter::internals::
00062                 simple_merge_iterator<HT, I1, I2, B1, B2> >
00063   {
00064     typedef typename I1::value_type                             value_type;
00065     typedef wifi::frame::filter::simple_merge<HT, I1, I2, B1>   iterable_type;
00066   };
00067 
00068   template <class HT, class I1, class I2, class B>
00069   struct types< wifi::frame::filter::simple_merge<HT, I1, I2, B> >
00070   {
00071     typedef wifi::frame::filter::internals::
00072       simple_merge_iterator<HT, I1, I2, B, bottom>
00073       iterator;
00074   };
00075 
00076 } // End of namespace tool.
00077 
00078 
00079 /*-------------.
00080 | Declarations |
00081 `-------------*/
00082 
00083 namespace wifi
00084 {
00085   namespace frame
00086   {
00087     namespace filter
00088     {
00089 
00090       namespace internals
00091       {
00092         template <class HT,
00093                   class I1, class I2,
00094                   class B, class Bottom = tool::bottom>
00095         struct simple_merge_iterator:
00096           tt_inherit(public tool::iterator,
00097                      simple_merge_iterator<HT, I1, I2, B, Bottom>)
00098         {
00099 
00101 
00102           typedef tt_get_exact(Bottom, simple_merge_iterator<HT, I1, I2,
00103                                                              B, Bottom>)
00104                                                         exact_type;
00105           typedef tool::iterator<exact_type>            super_type;
00106           typedef tt_type(value_type, exact_type)       value_type;
00107           typedef tt_type(iterable_type, exact_type)    iterable_type;
00109 
00111           simple_merge_iterator(const iterable_type& i, bool end);
00112 
00114 
00115           bool                  equal(const simple_merge_iterator& rhs) const;
00116           void                  increment();
00117 
00118           const value_type&     get() const;
00119           value_type&           get();
00120 
00121           const value_type*     get_ptr() const;
00122           value_type*           get_ptr();
00124 
00125         private:
00127           int                   first_packet() const;
00128 
00129           const iterable_type*  iterable_;
00130 
00131           I1                    next1_;
00132           I2                    next2_;
00133           int                   current_;
00134 # ifdef ENABLE_INFO
00135           unsigned              lhs_total_;
00136           unsigned              rhs_total_;
00137           unsigned              shared_;
00138           unsigned              total_;
00139           double                sync_error_;
00140 # endif // ENABLE_INFO
00141         };
00142 
00143       } // End of namespace internals.
00144 
00145 
00146       template <class HeaderType,
00147                 class InputIterator1,
00148                 class InputIterator2,
00149                 class Bottom = tool::bottom>
00150       struct simple_merge:
00151         tt_inherit(public tool::iterable, simple_merge<HeaderType,
00152                                                        InputIterator1,
00153                                                        InputIterator2,
00154                                                        Bottom>)
00155       {
00156         simple_merge(const InputIterator1& first1, const InputIterator1& last1,
00157                      const InputIterator2& first2, const InputIterator2& last2,
00158                      tool::endian::endianness phy_end);
00159 
00160       private:
00161         tool::endian::endianness        phy_end_;
00162 
00163         InputIterator1                  first1_;
00164         InputIterator1                  last1_;
00165         InputIterator2                  first2_;
00166         InputIterator2                  last2_;
00167 
00168         friend
00169           class internals::simple_merge_iterator<HeaderType,
00170                                                  InputIterator1,
00171                                                  InputIterator2,
00172                                                  Bottom,
00173                                                  tool::bottom>;
00174       };
00175 
00176     } // End of namespace wifi::frame::filter.
00177 
00178   } // End of namespace wifi::frame.
00179 
00180 } // End of namespace wifi.
00181 
00182 # include "simple_merge.hxx"
00183 
00184 #endif // ! WIFI_FRAME_FILTER_SIMPLE_MERGE_HH_

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