paradiseo/trunk/paradiseo-peo/docs/html/send_8cpp-source.html
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<h1>send.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-</span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="comment">// "send.cpp"</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="comment">// (c) OPAC Team, LIFL, August 2005</span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="comment">/* This library is free software; you can redistribute it and/or</span>
<a name="l00008"></a>00008 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
<a name="l00009"></a>00009 <span class="comment"> License as published by the Free Software Foundation; either</span>
<a name="l00010"></a>00010 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> </span>
<a name="l00012"></a>00012 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00015"></a>00015 <span class="comment"> Lesser General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> </span>
<a name="l00017"></a>00017 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
<a name="l00018"></a>00018 <span class="comment"> License along with this library; if not, write to the Free Software</span>
<a name="l00019"></a>00019 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00020"></a>00020 <span class="comment"> </span>
<a name="l00021"></a>00021 <span class="comment"> Contact: paradiseo-help@lists.gforge.inria.fr</span>
<a name="l00022"></a>00022 <span class="comment">*/</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;mpi.h&gt;</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;semaphore.h&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;queue&gt;</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#include "tags.h"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "comm.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "worker.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "scheduler.h"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "mess.h"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "node.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "../../core/cooperative.h"</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "../../core/peo_debug.h"</span>
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="preprocessor">#define TO_ALL -1</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span>
<a name="l00039"></a><a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html">00039</a> <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00040"></a>00040
<a name="l00041"></a><a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html#1ad8f7233fa3ff13262e783a9153920f">00041</a> <a class="code" href="class_communicable.html">Communicable</a> * comm;
<a name="l00042"></a><a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html#93e2a6a71d2a91aa2b7bdd050ee59b4d">00042</a> <span class="keywordtype">int</span> to;
<a name="l00043"></a><a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html#3126b3ef9d6533d3086760e413a7f23f">00043</a> <span class="keywordtype">int</span> tag;
<a name="l00044"></a>00044
<a name="l00045"></a>00045 } <a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html">SEND_REQUEST</a>;
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">static</span> std :: queue &lt;SEND_REQUEST&gt; mess;
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keyword">static</span> sem_t sem_send;
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keywordtype">void</span> initSending () {
<a name="l00052"></a>00052
<a name="l00053"></a>00053 sem_init (&amp; sem_send, 0, 1);
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keywordtype">void</span> send (<a class="code" href="class_communicable.html">Communicable</a> * __comm, <span class="keywordtype">int</span> __to, <span class="keywordtype">int</span> __tag) {
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html">SEND_REQUEST</a> req;
<a name="l00059"></a>00059 req.<a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html#1ad8f7233fa3ff13262e783a9153920f">comm</a> = __comm;
<a name="l00060"></a>00060 req.<a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html#93e2a6a71d2a91aa2b7bdd050ee59b4d">to</a> = __to;
<a name="l00061"></a>00061 req.<a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html#3126b3ef9d6533d3086760e413a7f23f">tag</a> = __tag;
<a name="l00062"></a>00062
<a name="l00063"></a>00063 sem_wait (&amp; sem_send);
<a name="l00064"></a>00064 mess.push (req);
<a name="l00065"></a>00065 sem_post (&amp; sem_send);
<a name="l00066"></a>00066 wakeUpCommunicator ();
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordtype">void</span> sendToAll (<a class="code" href="class_communicable.html">Communicable</a> * __comm, <span class="keywordtype">int</span> __tag) {
<a name="l00070"></a>00070
<a name="l00071"></a>00071 send (__comm, TO_ALL, __tag);
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keywordtype">void</span> sendMessages () {
<a name="l00075"></a>00075
<a name="l00076"></a>00076 sem_wait (&amp; sem_send);
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keywordflow">while</span> (! mess.empty ()) {
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html">SEND_REQUEST</a> req = mess.front ();
<a name="l00081"></a>00081 <span class="comment">/*</span>
<a name="l00082"></a>00082 <span class="comment"> char b [1000];</span>
<a name="l00083"></a>00083 <span class="comment"> sprintf (b, "traitement send %d\n", req.tag);</span>
<a name="l00084"></a>00084 <span class="comment"> printDebugMessage (b);</span>
<a name="l00085"></a>00085 <span class="comment"> */</span>
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <a class="code" href="class_communicable.html">Communicable</a> * comm = req.<a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html#1ad8f7233fa3ff13262e783a9153920f">comm</a>;
<a name="l00088"></a>00088
<a name="l00089"></a>00089 initMessage ();
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keywordflow">switch</span> (req.<a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html#3126b3ef9d6533d3086760e413a7f23f">tag</a>) {
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keywordflow">case</span> RUNNER_STOP_TAG:
<a name="l00094"></a>00094 dynamic_cast &lt;Runner *&gt; (comm) -&gt; packTermination ();
<a name="l00095"></a>00095 dynamic_cast &lt;Runner *&gt; (comm) -&gt; notifySendingTermination ();
<a name="l00096"></a>00096 <span class="keywordflow">break</span>;
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="keywordflow">case</span> COOP_TAG:
<a name="l00099"></a>00099 dynamic_cast &lt;Cooperative *&gt; (comm) -&gt; pack ();
<a name="l00100"></a>00100 dynamic_cast &lt;Cooperative *&gt; (comm) -&gt; notifySending ();
<a name="l00101"></a>00101 <span class="keywordflow">break</span>;
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keywordflow">case</span> SCHED_REQUEST_TAG:
<a name="l00104"></a>00104 dynamic_cast &lt;Service *&gt; (comm) -&gt; packResourceRequest ();
<a name="l00105"></a>00105 dynamic_cast &lt;Service *&gt; (comm) -&gt; notifySendingResourceRequest ();
<a name="l00106"></a>00106 <span class="keywordflow">break</span>;
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keywordflow">case</span> TASK_RESULT_TAG:
<a name="l00109"></a>00109 dynamic_cast &lt;Worker *&gt; (comm) -&gt; packResult ();
<a name="l00110"></a>00110 dynamic_cast &lt;Worker *&gt; (comm) -&gt; notifySendingResult ();
<a name="l00111"></a>00111 <span class="keywordflow">break</span>;
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordflow">case</span> TASK_DONE_TAG:
<a name="l00114"></a>00114 dynamic_cast &lt;Worker *&gt; (comm) -&gt; packTaskDone ();
<a name="l00115"></a>00115 dynamic_cast &lt;Worker *&gt; (comm) -&gt; notifySendingTaskDone ();
<a name="l00116"></a>00116 <span class="keywordflow">break</span>;
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="keywordflow">default</span> :
<a name="l00119"></a>00119 <span class="keywordflow">break</span>;
<a name="l00120"></a>00120
<a name="l00121"></a>00121 };
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keywordflow">if</span> (req.<a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html#93e2a6a71d2a91aa2b7bdd050ee59b4d">to</a> == TO_ALL)
<a name="l00124"></a>00124 sendMessageToAll (req.<a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html#3126b3ef9d6533d3086760e413a7f23f">tag</a>);
<a name="l00125"></a>00125 <span class="keywordflow">else</span>
<a name="l00126"></a>00126 sendMessage (req.<a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html#93e2a6a71d2a91aa2b7bdd050ee59b4d">to</a>, req.<a class="code" href="struct_s_e_n_d___r_e_q_u_e_s_t.html#3126b3ef9d6533d3086760e413a7f23f">tag</a>);
<a name="l00127"></a>00127 mess.pop ();
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
<a name="l00130"></a>00130 sem_post (&amp; sem_send);
<a name="l00131"></a>00131 }
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