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<h1>communicable.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* </span>
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<a name="l00002"></a>00002 <span class="comment">* <communicable.cpp></span>
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<a name="l00003"></a>00003 <span class="comment">* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007</span>
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<a name="l00004"></a>00004 <span class="comment">* (C) OPAC Team, LIFL, 2002-2007</span>
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<a name="l00005"></a>00005 <span class="comment">*</span>
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<a name="l00006"></a>00006 <span class="comment">* Sebastien Cahon, Alexandru-Adrian Tantar</span>
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<a name="l00007"></a>00007 <span class="comment">*</span>
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<a name="l00008"></a>00008 <span class="comment">* This software is governed by the CeCILL license under French law and</span>
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<a name="l00009"></a>00009 <span class="comment">* abiding by the rules of distribution of free software. You can use,</span>
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<a name="l00010"></a>00010 <span class="comment">* modify and/ or redistribute the software under the terms of the CeCILL</span>
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<a name="l00011"></a>00011 <span class="comment">* license as circulated by CEA, CNRS and INRIA at the following URL</span>
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<a name="l00012"></a>00012 <span class="comment">* "http://www.cecill.info".</span>
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<a name="l00013"></a>00013 <span class="comment">*</span>
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<a name="l00014"></a>00014 <span class="comment">* As a counterpart to the access to the source code and rights to copy,</span>
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<a name="l00015"></a>00015 <span class="comment">* modify and redistribute granted by the license, users are provided only</span>
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<a name="l00016"></a>00016 <span class="comment">* with a limited warranty and the software's author, the holder of the</span>
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<a name="l00017"></a>00017 <span class="comment">* economic rights, and the successive licensors have only limited liability.</span>
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<a name="l00018"></a>00018 <span class="comment">*</span>
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<a name="l00019"></a>00019 <span class="comment">* In this respect, the user's attention is drawn to the risks associated</span>
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<a name="l00020"></a>00020 <span class="comment">* with loading, using, modifying and/or developing or reproducing the</span>
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<a name="l00021"></a>00021 <span class="comment">* software by the user in light of its specific status of free software,</span>
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<a name="l00022"></a>00022 <span class="comment">* that may mean that it is complicated to manipulate, and that also</span>
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<a name="l00023"></a>00023 <span class="comment">* therefore means that it is reserved for developers and experienced</span>
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<a name="l00024"></a>00024 <span class="comment">* professionals having in-depth computer knowledge. Users are therefore</span>
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<a name="l00025"></a>00025 <span class="comment">* encouraged to load and test the software's suitability as regards their</span>
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<a name="l00026"></a>00026 <span class="comment">* requirements in conditions enabling the security of their systems and/or</span>
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<a name="l00027"></a>00027 <span class="comment">* data to be ensured and, more generally, to use and operate it in the</span>
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<a name="l00028"></a>00028 <span class="comment">* same conditions as regards security.</span>
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<a name="l00029"></a>00029 <span class="comment">* The fact that you are presently reading this means that you have had</span>
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<a name="l00030"></a>00030 <span class="comment">* knowledge of the CeCILL license and that you accept its terms.</span>
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<a name="l00031"></a>00031 <span class="comment">*</span>
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<a name="l00032"></a>00032 <span class="comment">* ParadisEO WebSite : http://paradiseo.gforge.inria.fr</span>
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<a name="l00033"></a>00033 <span class="comment">* Contact: paradiseo-help@lists.gforge.inria.fr</span>
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<a name="l00034"></a>00034 <span class="comment">*</span>
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<a name="l00035"></a>00035 <span class="comment">*/</span>
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<a name="l00036"></a>00036
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<a name="l00037"></a>00037 <span class="preprocessor">#include <vector></span>
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<a name="l00038"></a>00038 <span class="preprocessor">#include <map></span>
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<a name="l00039"></a>00039 <span class="preprocessor">#include <cassert></span>
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<a name="l00040"></a>00040
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<a name="l00041"></a>00041 <span class="preprocessor">#include "communicable.h"</span>
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<a name="l00042"></a>00042
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<a name="l00043"></a>00043 <span class="keyword">static</span> std :: vector <Communicable *> key_to_comm (1); <span class="comment">/* Vector of registered cooperators */</span>
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<a name="l00044"></a>00044
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<a name="l00045"></a>00045 <span class="keyword">static</span> std :: map <const Communicable *, unsigned> comm_to_key; <span class="comment">/* Map of registered cooperators */</span>
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<a name="l00046"></a>00046
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<a name="l00047"></a>00047 <span class="keywordtype">unsigned</span> <a class="code" href="classCommunicable.html#7a6acfdc781a67c9c0ec4f17893f86c3">Communicable :: num_comm</a> = 0;
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<a name="l00048"></a>00048
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<a name="l00049"></a><a class="code" href="classCommunicable.html#8ae1827ecf7569b3db1ed386c7d8ad78">00049</a> <a class="code" href="classCommunicable.html#8ae1827ecf7569b3db1ed386c7d8ad78">Communicable :: Communicable</a> () {
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<a name="l00050"></a>00050
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<a name="l00051"></a>00051 comm_to_key [<span class="keyword">this</span>] = <a class="code" href="classCommunicable.html#605b0efeffe81326f216c9903f5bbf4c">key</a> = ++ <a class="code" href="classCommunicable.html#7a6acfdc781a67c9c0ec4f17893f86c3">num_comm</a>;
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<a name="l00052"></a>00052 key_to_comm.push_back (<span class="keyword">this</span>);
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<a name="l00053"></a>00053 sem_init (& <a class="code" href="classCommunicable.html#cf9639312f71a2f348bc1e7789ccbd9d">sem_lock</a>, 0, 1);
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<a name="l00054"></a>00054 sem_init (& <a class="code" href="classCommunicable.html#29c53b9191348e0505e3bcba6d8b82b1">sem_stop</a>, 0, 0);
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<a name="l00055"></a>00055 }
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<a name="l00056"></a>00056
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<a name="l00057"></a><a class="code" href="classCommunicable.html#2280b0dfa0d3a515fccf62c2a9fd5f41">00057</a> <a class="code" href="classCommunicable.html#2280b0dfa0d3a515fccf62c2a9fd5f41">Communicable :: ~ Communicable</a> () {
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<a name="l00058"></a>00058
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<a name="l00059"></a>00059 }
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<a name="l00060"></a>00060
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<a name="l00061"></a><a class="code" href="classCommunicable.html#db4307b69b9ccacff55fdbf84b8f50e4">00061</a> COMM_ID <a class="code" href="classCommunicable.html#db4307b69b9ccacff55fdbf84b8f50e4">Communicable :: getKey</a> () {
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<a name="l00062"></a>00062
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<a name="l00063"></a>00063 <span class="keywordflow">return</span> <a class="code" href="classCommunicable.html#605b0efeffe81326f216c9903f5bbf4c">key</a>;
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<a name="l00064"></a>00064 }
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<a name="l00065"></a>00065
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<a name="l00066"></a>00066 <a class="code" href="classCommunicable.html">Communicable</a> * getCommunicable (COMM_ID __key) {
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<a name="l00067"></a>00067
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<a name="l00068"></a>00068 assert (__key < key_to_comm.size ());
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<a name="l00069"></a>00069 <span class="keywordflow">return</span> key_to_comm [__key];
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<a name="l00070"></a>00070 }
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<a name="l00071"></a>00071
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<a name="l00072"></a>00072 COMM_ID getKey (<span class="keyword">const</span> <a class="code" href="classCommunicable.html">Communicable</a> * __comm) {
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<a name="l00073"></a>00073
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<a name="l00074"></a>00074 <span class="keywordflow">return</span> comm_to_key [__comm];
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<a name="l00075"></a>00075 }
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<a name="l00076"></a>00076
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<a name="l00077"></a><a class="code" href="classCommunicable.html#e1f8bd1ee810fd73d44315c95998d19d">00077</a> <span class="keywordtype">void</span> <a class="code" href="classCommunicable.html#e1f8bd1ee810fd73d44315c95998d19d">Communicable :: lock</a> () {
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<a name="l00078"></a>00078
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<a name="l00079"></a>00079 sem_wait (& <a class="code" href="classCommunicable.html#cf9639312f71a2f348bc1e7789ccbd9d">sem_lock</a>);
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<a name="l00080"></a>00080 }
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<a name="l00081"></a>00081
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<a name="l00082"></a><a class="code" href="classCommunicable.html#caa814847192e71f434fbf9479ede862">00082</a> <span class="keywordtype">void</span> <a class="code" href="classCommunicable.html#caa814847192e71f434fbf9479ede862">Communicable :: unlock</a> () {
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<a name="l00083"></a>00083
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<a name="l00084"></a>00084 sem_post (& <a class="code" href="classCommunicable.html#cf9639312f71a2f348bc1e7789ccbd9d">sem_lock</a>);
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<a name="l00085"></a>00085 }
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<a name="l00086"></a>00086
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<a name="l00087"></a><a class="code" href="classCommunicable.html#cb53e6534b947bc889aa181d9dbbd13b">00087</a> <span class="keywordtype">void</span> <a class="code" href="classCommunicable.html#cb53e6534b947bc889aa181d9dbbd13b">Communicable :: stop</a> () {
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<a name="l00088"></a>00088
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<a name="l00089"></a>00089 sem_wait (& <a class="code" href="classCommunicable.html#29c53b9191348e0505e3bcba6d8b82b1">sem_stop</a>);
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<a name="l00090"></a>00090 }
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<a name="l00091"></a>00091
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<a name="l00092"></a><a class="code" href="classCommunicable.html#3306a9adb11a0ab5af342c0db9f7bb2a">00092</a> <span class="keywordtype">void</span> <a class="code" href="classCommunicable.html#3306a9adb11a0ab5af342c0db9f7bb2a">Communicable :: resume</a> () {
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<a name="l00093"></a>00093
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<a name="l00094"></a>00094 sem_post (& <a class="code" href="classCommunicable.html#29c53b9191348e0505e3bcba6d8b82b1">sem_stop</a>);
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<a name="l00095"></a>00095 }
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<a name="l00096"></a>00096
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<a name="l00097"></a>00097
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<a name="l00098"></a>00098
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Oct 8 11:16:45 2007 for ParadisEO-PEOMovingObjects by
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address>
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