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<h1>events.cc</h1><a href="a00100.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- Mode: C++; -*-</span>
<a name="l00002"></a>00002 <span class="comment">// Package : omniEvents</span>
<a name="l00003"></a>00003 <span class="comment">// events.cc Created : 2004/05/02</span>
<a name="l00004"></a>00004 <span class="comment">// Author : Alex Tingle</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// Copyright (C) 2004 Alex Tingle</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">// This file is part of the omniEvents application.</span>
<a name="l00009"></a>00009 <span class="comment">//</span>
<a name="l00010"></a>00010 <span class="comment">// omniEvents is free software; you can redistribute it and/or</span>
<a name="l00011"></a>00011 <span class="comment">// modify it under the terms of the GNU Lesser General Public</span>
<a name="l00012"></a>00012 <span class="comment">// License as published by the Free Software Foundation; either</span>
<a name="l00013"></a>00013 <span class="comment">// version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00014"></a>00014 <span class="comment">//</span>
<a name="l00015"></a>00015 <span class="comment">// omniEvents is distributed in the hope that it will be useful,</span>
<a name="l00016"></a>00016 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00017"></a>00017 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00018"></a>00018 <span class="comment">// Lesser General Public License for more details.</span>
<a name="l00019"></a>00019 <span class="comment">//</span>
<a name="l00020"></a>00020 <span class="comment">// You should have received a copy of the GNU Lesser General Public</span>
<a name="l00021"></a>00021 <span class="comment">// License along with this library; if not, write to the Free Software</span>
<a name="l00022"></a>00022 <span class="comment">// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00023"></a>00023 <span class="comment">//</span>
<a name="l00024"></a>00024 <span class="comment">// Description:</span>
<a name="l00025"></a>00025 <span class="comment">// Push Model streamer.</span>
<a name="l00026"></a>00026 <span class="comment">// </span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor"># include "<a class="code" href="a00083.html">config.h</a>"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#endif</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span>
<a name="l00032"></a>00032 <span class="preprocessor">#ifdef HAVE_GETOPT</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor"># include <unistd.h></span>
<a name="l00034"></a>00034 <span class="keyword">extern</span> <span class="keywordtype">char</span>* <a class="code" href="a00104.html#a3">optarg</a>;
<a name="l00035"></a>00035 <span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="a00104.html#a2">optind</a>;
<a name="l00036"></a>00036 <span class="preprocessor">#else</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor"># include "<a class="code" href="a00105.html">getopt.h</a>"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#endif</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="preprocessor">#ifdef HAVE_IOSTREAM</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor"># include <iostream></span>
<a name="l00042"></a>00042 <span class="preprocessor">#else</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor"># include <iostream.h></span>
<a name="l00044"></a>00044 <span class="preprocessor">#endif</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span>
<a name="l00046"></a>00046 <span class="preprocessor">#ifdef HAVE_STD_IOSTREAM</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="keyword">using</span> <span class="keyword">namespace </span>std;
<a name="l00048"></a>00048 <span class="preprocessor">#endif</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>
<a name="l00050"></a>00050 <span class="preprocessor">#ifdef HAVE_STDLIB_H</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor"># include <stdlib.h></span>
<a name="l00052"></a>00052 <span class="preprocessor">#endif</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span>
<a name="l00054"></a>00054 <span class="preprocessor">#include <stdio.h></span>
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="preprocessor">#if defined HAVE_UNISTD_H</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor"># include <unistd.h></span> <span class="comment">// read(), write()</span>
<a name="l00058"></a>00058 <span class="preprocessor">#elif defined __WIN32__</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor"># include <io.h></span>
<a name="l00060"></a>00060 <span class="preprocessor"># define write(fd,buf,count) _write(fd,buf,count)</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span><span class="preprocessor"># define read(fd,buf,count) _read(fd,buf,count)</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span><span class="preprocessor"># define ssize_t int</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00064"></a>00064 <span class="preprocessor"></span>
<a name="l00065"></a>00065 <span class="preprocessor">#ifdef HAVE_SIGNAL_H</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span><span class="preprocessor"># include <signal.h></span>
<a name="l00067"></a>00067 <span class="preprocessor">#endif</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span>
<a name="l00069"></a>00069 <span class="preprocessor">#include "CosEventComm.hh"</span>
<a name="l00070"></a>00070 <span class="preprocessor">#include "CosEventChannelAdmin.hh"</span>
<a name="l00071"></a>00071 <span class="preprocessor">#include "<a class="code" href="a00110.html">naming.h</a>"</span>
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="preprocessor">#ifndef STDIN_FILENO</span>
<a name="l00074"></a><a class="code" href="a00100.html#a0">00074</a> <span class="preprocessor"></span><span class="preprocessor"># define STDIN_FILENO 0</span>
<a name="l00075"></a><a class="code" href="a00100.html#a1">00075</a> <span class="preprocessor"></span><span class="preprocessor"># define STDOUT_FILENO 1</span>
<a name="l00076"></a>00076 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00077"></a>00077 <span class="preprocessor"></span>
<a name="l00078"></a><a class="code" href="a00100.html#a3">00078</a> CORBA::ORB_ptr <a class="code" href="a00097.html#a0">orb</a>;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="a00141.html#a5">usage</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv);
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="comment">//</span>
<a name="l00083"></a>00083 <span class="comment">// Time</span>
<a name="l00084"></a>00084 <span class="comment">//</span>
<a name="l00085"></a>00085
<a name="l00086"></a><a class="code" href="a00100.html#a2">00086</a> <span class="preprocessor">#define BILLION 1000000000</span>
<a name="l00087"></a>00087 <span class="preprocessor"></span>
<a name="l00088"></a>00088 <span class="keyword">class </span><a class="code" href="a00077.html">Time</a>;
<a name="l00089"></a><a class="code" href="a00077.html">00089</a> <span class="keyword">class </span><a class="code" href="a00077.html">Time</a>
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091 <span class="keyword">private</span>:
<a name="l00092"></a><a class="code" href="a00077.html#r0">00092</a> CORBA::ULong <a class="code" href="a00077.html#r0">_sec</a>;
<a name="l00093"></a><a class="code" href="a00077.html#r1">00093</a> CORBA::ULong <a class="code" href="a00077.html#r1">_nano</a>;
<a name="l00094"></a>00094 <span class="keyword">public</span>:
<a name="l00095"></a><a class="code" href="a00077.html#e0">00095</a> <span class="keyword">static</span> <a class="code" href="a00077.html">Time</a> <a class="code" href="a00077.html#e0">current</a>()
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 <a class="code" href="a00077.html">Time</a> result;
<a name="l00098"></a>00098 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> sec,nano;
<a name="l00099"></a>00099 omni_thread::get_time(&sec,&nano);
<a name="l00100"></a>00100 result.<a class="code" href="a00077.html#r0">_sec</a>=sec;
<a name="l00101"></a>00101 result.<a class="code" href="a00077.html#r1">_nano</a>=nano;
<a name="l00102"></a>00102 <span class="keywordflow">return</span> result;
<a name="l00103"></a>00103 }
<a name="l00104"></a><a class="code" href="a00077.html#e1">00104</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="a00077.html#e1">sleepUntil</a>(<span class="keyword">const</span> <a class="code" href="a00077.html">Time</a>& futureTime)
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 <a class="code" href="a00077.html">Time</a> now =<a class="code" href="a00077.html#e0">current</a>();
<a name="l00107"></a>00107 <span class="keywordflow">if</span>(now<futureTime)
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109 <a class="code" href="a00077.html">Time</a> offset=futureTime-now;
<a name="l00110"></a>00110 omni_thread::sleep(offset.<a class="code" href="a00077.html#r0">_sec</a>,offset.<a class="code" href="a00077.html#r1">_nano</a>);
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113 <span class="comment">//</span>
<a name="l00114"></a><a class="code" href="a00077.html#a0">00114</a> <a class="code" href="a00077.html#a0">Time</a>():<a class="code" href="a00077.html#r0">_sec</a>(0),<a class="code" href="a00077.html#r1">_nano</a>(0){}
<a name="l00115"></a><a class="code" href="a00077.html#a1">00115</a> <a class="code" href="a00077.html#a0">Time</a>(CORBA::ULong sec,CORBA::ULong nano):<a class="code" href="a00077.html#r0">_sec</a>(sec),<a class="code" href="a00077.html#r1">_nano</a>(nano){}
<a name="l00116"></a><a class="code" href="a00077.html#a2">00116</a> <a class="code" href="a00077.html#a0">Time</a>(<span class="keyword">const</span> <a class="code" href="a00077.html">Time</a>& right):<a class="code" href="a00077.html#r0">_sec</a>(right.<a class="code" href="a00077.html#r0">_sec</a>),<a class="code" href="a00077.html#r1">_nano</a>(right.<a class="code" href="a00077.html#r1">_nano</a>){}
<a name="l00117"></a><a class="code" href="a00077.html#a3">00117</a> <a class="code" href="a00077.html">Time</a>& <a class="code" href="a00077.html#a3">operator=</a>(<span class="keyword">const</span> <a class="code" href="a00077.html">Time</a>& right)
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 <span class="keywordflow">if</span>(<span class="keyword">this</span>!=&right)
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <a class="code" href="a00077.html#r0">_sec</a> =right.<a class="code" href="a00077.html#r0">_sec</a>;
<a name="l00122"></a>00122 <a class="code" href="a00077.html#r1">_nano</a>=right.<a class="code" href="a00077.html#r1">_nano</a>;
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00125"></a>00125 }
<a name="l00126"></a><a class="code" href="a00077.html#a4">00126</a> <span class="keywordtype">bool</span> <a class="code" href="a00077.html#a4">operator<</a>(<span class="keyword">const</span> <a class="code" href="a00077.html">Time</a>& right)<span class="keyword"> const</span>
<a name="l00127"></a>00127 <span class="keyword"> </span>{
<a name="l00128"></a>00128 <span class="keywordflow">if</span>(<a class="code" href="a00077.html#r0">_sec</a>==right.<a class="code" href="a00077.html#r0">_sec</a>)
<a name="l00129"></a>00129 <span class="keywordflow">return</span> <a class="code" href="a00077.html#r1">_nano</a><right.<a class="code" href="a00077.html#r1">_nano</a>;
<a name="l00130"></a>00130 <span class="keywordflow">else</span>
<a name="l00131"></a>00131 <span class="keywordflow">return</span> <a class="code" href="a00077.html#r0">_sec</a><right.<a class="code" href="a00077.html#r0">_sec</a>;
<a name="l00132"></a>00132 }
<a name="l00133"></a><a class="code" href="a00077.html#a5">00133</a> <a class="code" href="a00077.html">Time</a>& <a class="code" href="a00077.html#a5">operator+=</a>(<span class="keyword">const</span> <a class="code" href="a00077.html">Time</a>& right)
<a name="l00134"></a>00134 {
<a name="l00135"></a>00135 <a class="code" href="a00077.html#r0">_sec</a> +=right.<a class="code" href="a00077.html#r0">_sec</a>;
<a name="l00136"></a>00136 <a class="code" href="a00077.html#r1">_nano</a>+=right.<a class="code" href="a00077.html#r1">_nano</a>;
<a name="l00137"></a>00137 <span class="keywordflow">if</span>(<a class="code" href="a00077.html#r1">_nano</a>><a class="code" href="a00137.html#a1">BILLION</a>)
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 <a class="code" href="a00077.html#r1">_nano</a>=<a class="code" href="a00077.html#r1">_nano</a>%<a class="code" href="a00137.html#a1">BILLION</a>;
<a name="l00140"></a>00140 ++<a class="code" href="a00077.html#r0">_sec</a>;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00143"></a>00143 }
<a name="l00144"></a><a class="code" href="a00077.html#a6">00144</a> <a class="code" href="a00077.html">Time</a> <a class="code" href="a00077.html#a6">operator+</a>(<span class="keyword">const</span> <a class="code" href="a00077.html">Time</a>& right)<span class="keyword"> const</span>
<a name="l00145"></a>00145 <span class="keyword"> </span>{
<a name="l00146"></a>00146 <a class="code" href="a00077.html">Time</a> result(*<span class="keyword">this</span>);
<a name="l00147"></a>00147 result+=right;
<a name="l00148"></a>00148 <span class="keywordflow">return</span> result;
<a name="l00149"></a>00149 }
<a name="l00150"></a><a class="code" href="a00077.html#a7">00150</a> <a class="code" href="a00077.html">Time</a>& <a class="code" href="a00077.html#a7">operator-=</a>(<span class="keyword">const</span> <a class="code" href="a00077.html">Time</a>& right)
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 <span class="keywordflow">if</span>(<a class="code" href="a00077.html#a4">operator<</a>(right))
<a name="l00153"></a>00153 {
<a name="l00154"></a>00154 cerr<<<span class="stringliteral">"Negative time!"</span><<endl;
<a name="l00155"></a>00155 <span class="keywordflow">throw</span> CORBA::BAD_PARAM();
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157 <a class="code" href="a00077.html#r0">_sec</a>-=right.<a class="code" href="a00077.html#r0">_sec</a>;
<a name="l00158"></a>00158 <span class="keywordflow">if</span>(<a class="code" href="a00077.html#r1">_nano</a><right.<a class="code" href="a00077.html#r1">_nano</a>)
<a name="l00159"></a>00159 {
<a name="l00160"></a>00160 <a class="code" href="a00077.html#r1">_nano</a>+=<a class="code" href="a00137.html#a1">BILLION</a>;
<a name="l00161"></a>00161 --<a class="code" href="a00077.html#r0">_sec</a>;
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163 <a class="code" href="a00077.html#r1">_nano</a>-=right.<a class="code" href="a00077.html#r1">_nano</a>;
<a name="l00164"></a>00164 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00165"></a>00165 }
<a name="l00166"></a><a class="code" href="a00077.html#a8">00166</a> <a class="code" href="a00077.html">Time</a> <a class="code" href="a00077.html#a8">operator-</a>(<span class="keyword">const</span> <a class="code" href="a00077.html">Time</a>& right)<span class="keyword"> const</span>
<a name="l00167"></a>00167 <span class="keyword"> </span>{
<a name="l00168"></a>00168 <a class="code" href="a00077.html">Time</a> result(*<span class="keyword">this</span>);
<a name="l00169"></a>00169 result-=right;
<a name="l00170"></a>00170 <span class="keywordflow">return</span> result;
<a name="l00171"></a>00171 }
<a name="l00172"></a><a class="code" href="a00077.html#a9">00172</a> <span class="keywordtype">void</span> <a class="code" href="a00077.html#a9">operator>>=</a>(cdrMemoryStream& s)<span class="keyword"> const</span>
<a name="l00173"></a>00173 <span class="keyword"> </span>{
<a name="l00174"></a>00174 <a class="code" href="a00077.html#r0">_sec</a>>>=s;
<a name="l00175"></a>00175 <a class="code" href="a00077.html#r1">_nano</a>>>=s;
<a name="l00176"></a>00176 }
<a name="l00177"></a><a class="code" href="a00077.html#a10">00177</a> <span class="keywordtype">void</span> <a class="code" href="a00077.html#a10">operator<<=</a>(cdrMemoryStream& s)
<a name="l00178"></a>00178 {
<a name="l00179"></a>00179 <a class="code" href="a00077.html#r0">_sec</a><<=s;
<a name="l00180"></a>00180 <a class="code" href="a00077.html#r1">_nano</a><<=s;
<a name="l00181"></a>00181 }
<a name="l00182"></a><a class="code" href="a00077.html#a11">00182</a> <span class="keywordtype">bool</span> <a class="code" href="a00077.html#a11">is_nil</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span>(<a class="code" href="a00077.html#r0">_sec</a>==0 && <a class="code" href="a00077.html#r1">_nano</a>==0); }
<a name="l00183"></a>00183 }; <span class="comment">// end class Time</span>
<a name="l00184"></a>00184
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="comment">//</span>
<a name="l00187"></a>00187 <span class="comment">// Consumer_i</span>
<a name="l00188"></a>00188 <span class="comment">//</span>
<a name="l00189"></a>00189
<a name="l00190"></a><a class="code" href="a00042.html">00190</a> <span class="keyword">class </span><a class="code" href="a00042.html">Consumer_i</a> : <span class="keyword">virtual</span> <span class="keyword">public</span> POA_CosEventComm::PushConsumer
<a name="l00191"></a>00191 {
<a name="l00192"></a>00192 <span class="keyword">public</span>:
<a name="l00193"></a><a class="code" href="a00042.html#a0">00193</a> <a class="code" href="a00042.html#a4">Consumer_i</a>(<span class="keywordtype">long</span> disconnect=0): <a class="code" href="a00042.html#r0">_memstream</a>() {}
<a name="l00194"></a><a class="code" href="a00042.html#a1">00194</a> <span class="keywordtype">void</span> <a class="code" href="a00042.html#a1">push</a>(<span class="keyword">const</span> CORBA::Any& data)
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 <span class="comment">// Record the event timestamp.</span>
<a name="l00197"></a>00197 <a class="code" href="a00077.html">Time</a> now=<a class="code" href="a00077.html#e0">Time::current</a>();
<a name="l00198"></a>00198 now>>=<a class="code" href="a00042.html#r0">_memstream</a>;
<a name="l00199"></a>00199 <span class="comment">// stream event data.</span>
<a name="l00200"></a>00200 data>>=<a class="code" href="a00042.html#r0">_memstream</a>;
<a name="l00201"></a>00201 <span class="comment">// Write to file.</span>
<a name="l00202"></a>00202 write(<a class="code" href="a00100.html#a1">STDOUT_FILENO</a>,<a class="code" href="a00042.html#r0">_memstream</a>.bufPtr(),<a class="code" href="a00042.html#r0">_memstream</a>.bufSize());
<a name="l00203"></a>00203 <span class="comment">// Reset.</span>
<a name="l00204"></a>00204 <a class="code" href="a00042.html#r0">_memstream</a>.rewindPtrs();
<a name="l00205"></a>00205 }
<a name="l00206"></a><a class="code" href="a00042.html#a2">00206</a> <span class="keywordtype">void</span> <a class="code" href="a00042.html#a2">disconnect_push_consumer</a>()
<a name="l00207"></a>00207 {
<a name="l00208"></a>00208 cout<<<span class="stringliteral">"disconnected"</span><<endl;
<a name="l00209"></a>00209 <a class="code" href="a00097.html#a0">orb</a>->shutdown(0);
<a name="l00210"></a>00210 }
<a name="l00211"></a><a class="code" href="a00042.html#a3">00211</a> <span class="keywordtype">void</span> <a class="code" href="a00042.html#a3">consume</a>(
<a name="l00212"></a>00212 CosEventChannelAdmin::EventChannel_ptr channel,
<a name="l00213"></a>00213 <span class="keyword">const</span> <span class="keywordtype">char</span>*& action)
<a name="l00214"></a>00214 {
<a name="l00215"></a>00215 action=<span class="stringliteral">"get ConsumerAdmin"</span>;
<a name="l00216"></a>00216 CosEventChannelAdmin::ConsumerAdmin_var consumer_admin =
<a name="l00217"></a>00217 channel->for_consumers();
<a name="l00218"></a>00218
<a name="l00219"></a>00219 action=<span class="stringliteral">"get ProxyPushSupplier"</span>;
<a name="l00220"></a>00220 CosEventChannelAdmin::ProxyPushSupplier_var proxy_supplier =
<a name="l00221"></a>00221 consumer_admin->obtain_push_supplier();
<a name="l00222"></a>00222
<a name="l00223"></a>00223 action=<span class="stringliteral">"connect to ProxyPushSupplier"</span>;
<a name="l00224"></a>00224 proxy_supplier->connect_push_consumer(_this());
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 <span class="keyword">private</span>:
<a name="l00227"></a><a class="code" href="a00042.html#r0">00227</a> cdrMemoryStream <a class="code" href="a00042.html#r0">_memstream</a>;
<a name="l00228"></a>00228 };
<a name="l00229"></a>00229
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="comment">//</span>
<a name="l00232"></a>00232 <span class="comment">// Supplier_i</span>
<a name="l00233"></a>00233 <span class="comment">//</span>
<a name="l00234"></a>00234
<a name="l00235"></a><a class="code" href="a00075.html">00235</a> <span class="keyword">class </span><a class="code" href="a00075.html">Supplier_i</a> : <span class="keyword">virtual</span> <span class="keyword">public</span> POA_CosEventComm::PushSupplier
<a name="l00236"></a>00236 {
<a name="l00237"></a>00237 <span class="keyword">public</span>:
<a name="l00238"></a><a class="code" href="a00075.html#a0">00238</a> <a class="code" href="a00075.html#a0">Supplier_i</a>(): <a class="code" href="a00075.html#r0">_connected</a>(true) {}
<a name="l00239"></a><a class="code" href="a00075.html#a1">00239</a> <span class="keywordtype">void</span> <a class="code" href="a00075.html#a1">disconnect_push_supplier</a>()
<a name="l00240"></a>00240 {
<a name="l00241"></a>00241 cout<<<span class="stringliteral">"disconnected"</span><<endl;
<a name="l00242"></a>00242 <a class="code" href="a00075.html#r0">_connected</a>=<span class="keyword">false</span>;
<a name="l00243"></a>00243 }
<a name="l00244"></a><a class="code" href="a00075.html#a2">00244</a> <span class="keywordtype">void</span> <a class="code" href="a00075.html#a2">supply</a>(
<a name="l00245"></a>00245 CosEventChannelAdmin::EventChannel_ptr channel,
<a name="l00246"></a>00246 <span class="keyword">const</span> <span class="keywordtype">char</span>*& action)
<a name="l00247"></a>00247 {
<a name="l00248"></a>00248 action=<span class="stringliteral">"get SupplierAdmin"</span>;
<a name="l00249"></a>00249 CosEventChannelAdmin::SupplierAdmin_var supplier_admin =
<a name="l00250"></a>00250 channel->for_suppliers();
<a name="l00251"></a>00251
<a name="l00252"></a>00252 action=<span class="stringliteral">"get ProxyPushConsumer"</span>;
<a name="l00253"></a>00253 CosEventChannelAdmin::ProxyPushConsumer_var proxy_consumer =
<a name="l00254"></a>00254 supplier_admin->obtain_push_consumer();
<a name="l00255"></a>00255
<a name="l00256"></a>00256 action=<span class="stringliteral">"connect to ProxyPushConsumer"</span>;
<a name="l00257"></a>00257 proxy_consumer->connect_push_supplier(_this());
<a name="l00258"></a>00258
<a name="l00259"></a>00259 <span class="keywordtype">char</span> buf[1024];
<a name="l00260"></a>00260 ssize_t len;
<a name="l00261"></a>00261 action=<span class="stringliteral">"read standard input"</span>;
<a name="l00262"></a>00262 <span class="comment">// Stream start time (seconds,nanoseconds)</span>
<a name="l00263"></a>00263 <a class="code" href="a00077.html">Time</a> offsetTime;
<a name="l00264"></a>00264 <span class="keywordflow">while</span>(<a class="code" href="a00075.html#r0">_connected</a> && (len=read(<a class="code" href="a00100.html#a0">STDIN_FILENO</a>,buf,1024)))
<a name="l00265"></a>00265 {
<a name="l00266"></a>00266 CORBA::Any any;
<a name="l00267"></a>00267 cdrMemoryStream memstr;
<a name="l00268"></a>00268 action=<span class="stringliteral">"put_octet_array"</span>;
<a name="l00269"></a>00269 memstr.put_octet_array( (_CORBA_Octet*)buf, (<span class="keywordtype">int</span>)len );
<a name="l00270"></a>00270 <span class="keywordflow">while</span>(<a class="code" href="a00075.html#r0">_connected</a> && memstr.currentInputPtr()<memstr.bufSize())
<a name="l00271"></a>00271 {
<a name="l00272"></a>00272 action=<span class="stringliteral">"unmarshal"</span>;
<a name="l00273"></a>00273 <a class="code" href="a00077.html">Time</a> eventTime;
<a name="l00274"></a>00274 eventTime<<=memstr;
<a name="l00275"></a>00275 any<<=memstr;
<a name="l00276"></a>00276
<a name="l00277"></a>00277 <span class="keywordflow">if</span>(offsetTime.<a class="code" href="a00077.html#a11">is_nil</a>()) <span class="comment">// first time special.</span>
<a name="l00278"></a>00278 offsetTime=<a class="code" href="a00077.html#e0">Time::current</a>()-eventTime;
<a name="l00279"></a>00279 <a class="code" href="a00077.html#e1">Time::sleepUntil</a>(eventTime+offsetTime);
<a name="l00280"></a>00280
<a name="l00281"></a>00281 action=<span class="stringliteral">"push"</span>;
<a name="l00282"></a>00282 proxy_consumer->push(any);
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285 }
<a name="l00286"></a>00286 <span class="keyword">private</span>:
<a name="l00287"></a><a class="code" href="a00075.html#r0">00287</a> <span class="keywordtype">bool</span> <a class="code" href="a00075.html#r0">_connected</a>;
<a name="l00288"></a>00288 };
<a name="l00289"></a>00289
<a name="l00290"></a>00290
<a name="l00291"></a>00291 <span class="comment">//</span>
<a name="l00292"></a>00292 <span class="comment">// main()</span>
<a name="l00293"></a>00293 <span class="comment">//</span>
<a name="l00294"></a>00294
<a name="l00295"></a><a class="code" href="a00100.html#a5">00295</a> <span class="keywordtype">int</span> <a class="code" href="a00106.html#a0">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
<a name="l00296"></a>00296 {
<a name="l00297"></a>00297 <span class="comment">//</span>
<a name="l00298"></a>00298 <span class="comment">// Start orb.</span>
<a name="l00299"></a>00299 <span class="preprocessor">#if defined(HAVE_OMNIORB4)</span>
<a name="l00300"></a>00300 <span class="preprocessor"></span> <a class="code" href="a00097.html#a0">orb</a>=CORBA::ORB_init(argc,argv,<span class="stringliteral">"omniORB4"</span>);
<a name="l00301"></a>00301 <span class="preprocessor">#else</span>
<a name="l00302"></a>00302 <span class="preprocessor"></span> <a class="code" href="a00097.html#a0">orb</a>=CORBA::ORB_init(argc,argv,<span class="stringliteral">"omniORB3"</span>);
<a name="l00303"></a>00303 <span class="preprocessor">#endif</span>
<a name="l00304"></a>00304 <span class="preprocessor"></span>
<a name="l00305"></a>00305 <span class="comment">// Process Options</span>
<a name="l00306"></a>00306 <span class="keywordtype">bool</span> supplierMode =<span class="keyword">false</span>;
<a name="l00307"></a>00307 <span class="keyword">const</span> <span class="keywordtype">char</span>* channelName =<span class="stringliteral">"EventChannel"</span>;
<a name="l00308"></a>00308
<a name="l00309"></a>00309 <span class="keywordtype">int</span> c;
<a name="l00310"></a>00310 <span class="keywordflow">while</span> ((c = <a class="code" href="a00104.html#a5">getopt</a>(argc,argv,<span class="stringliteral">"shn:"</span>)) != EOF)
<a name="l00311"></a>00311 {
<a name="l00312"></a>00312 <span class="keywordflow">switch</span> (c)
<a name="l00313"></a>00313 {
<a name="l00314"></a>00314 <span class="keywordflow">case</span> <span class="charliteral">'s'</span>: supplierMode=<span class="keyword">true</span>;
<a name="l00315"></a>00315 <span class="keywordflow">break</span>;
<a name="l00316"></a>00316
<a name="l00317"></a>00317 <span class="keywordflow">case</span> <span class="charliteral">'n'</span>: channelName = <a class="code" href="a00104.html#a3">optarg</a>;
<a name="l00318"></a>00318 <span class="keywordflow">break</span>;
<a name="l00319"></a>00319
<a name="l00320"></a>00320 <span class="keywordflow">case</span> <span class="charliteral">'h'</span>: <a class="code" href="a00141.html#a5">usage</a>(argc,argv);
<a name="l00321"></a>00321 exit(0);
<a name="l00322"></a>00322 <span class="keywordflow">default</span> : <a class="code" href="a00141.html#a5">usage</a>(argc,argv);
<a name="l00323"></a>00323 exit(-1);
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="preprocessor">#if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)</span>
<a name="l00328"></a>00328 <span class="preprocessor"></span> <span class="comment">// Ignore broken pipes</span>
<a name="l00329"></a>00329 signal(SIGPIPE, SIG_IGN);
<a name="l00330"></a>00330 <span class="preprocessor">#endif</span>
<a name="l00331"></a>00331 <span class="preprocessor"></span>
<a name="l00332"></a>00332 <span class="keyword">const</span> <span class="keywordtype">char</span>* action=<span class="stringliteral">""</span>; <span class="comment">// Use this variable to help report errors.</span>
<a name="l00333"></a>00333 <span class="keywordflow">try</span> {
<a name="l00334"></a>00334 CORBA::Object_var obj;
<a name="l00335"></a>00335
<a name="l00336"></a>00336 action=<span class="stringliteral">"resolve initial reference 'RootPOA'"</span>;
<a name="l00337"></a>00337 obj=<a class="code" href="a00097.html#a0">orb</a>->resolve_initial_references(<span class="stringliteral">"RootPOA"</span>);
<a name="l00338"></a>00338 PortableServer::POA_var rootPoa =PortableServer::POA::_narrow(obj);
<a name="l00339"></a>00339 <span class="keywordflow">if</span>(CORBA::is_nil(rootPoa))
<a name="l00340"></a>00340 <span class="keywordflow">throw</span> CORBA::OBJECT_NOT_EXIST();
<a name="l00341"></a>00341
<a name="l00342"></a>00342 action=<span class="stringliteral">"activate the RootPOA's POAManager"</span>;
<a name="l00343"></a>00343 PortableServer::POAManager_var pman =rootPoa->the_POAManager();
<a name="l00344"></a>00344 pman->activate();
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="comment">//</span>
<a name="l00347"></a>00347 <span class="comment">// Obtain object reference to EventChannel</span>
<a name="l00348"></a>00348 <span class="comment">// (from command-line argument or from the Naming Service).</span>
<a name="l00349"></a>00349 <span class="keywordflow">if</span>(<a class="code" href="a00104.html#a2">optind</a><argc)
<a name="l00350"></a>00350 {
<a name="l00351"></a>00351 action=<span class="stringliteral">"convert URI from command line into object reference"</span>;
<a name="l00352"></a>00352 obj=<a class="code" href="a00097.html#a0">orb</a>->string_to_object(argv[<a class="code" href="a00104.html#a2">optind</a>]);
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354 <span class="keywordflow">else</span>
<a name="l00355"></a>00355 {
<a name="l00356"></a>00356 action=<span class="stringliteral">"resolve initial reference 'NameService'"</span>;
<a name="l00357"></a>00357 obj=<a class="code" href="a00097.html#a0">orb</a>->resolve_initial_references(<span class="stringliteral">"NameService"</span>);
<a name="l00358"></a>00358 CosNaming::NamingContext_var rootContext=
<a name="l00359"></a>00359 CosNaming::NamingContext::_narrow(obj);
<a name="l00360"></a>00360 <span class="keywordflow">if</span>(CORBA::is_nil(rootContext))
<a name="l00361"></a>00361 <span class="keywordflow">throw</span> CORBA::OBJECT_NOT_EXIST();
<a name="l00362"></a>00362
<a name="l00363"></a>00363 action=<span class="stringliteral">"find EventChannel in NameService"</span>;
<a name="l00364"></a>00364 cout << action << endl;
<a name="l00365"></a>00365 obj=rootContext->resolve(<a class="code" href="a00109.html#a1">str2name</a>(channelName));
<a name="l00366"></a>00366 }
<a name="l00367"></a>00367
<a name="l00368"></a>00368 action=<span class="stringliteral">"narrow object reference to event channel"</span>;
<a name="l00369"></a>00369 CosEventChannelAdmin::EventChannel_var channel =
<a name="l00370"></a>00370 CosEventChannelAdmin::EventChannel::_narrow(obj);
<a name="l00371"></a>00371 <span class="keywordflow">if</span>(CORBA::is_nil(channel))
<a name="l00372"></a>00372 {
<a name="l00373"></a>00373 cerr << <span class="stringliteral">"Failed to narrow Event Channel reference."</span> << endl;
<a name="l00374"></a>00374 exit(1);
<a name="l00375"></a>00375 }
<a name="l00376"></a>00376
<a name="l00377"></a>00377 <span class="keywordflow">if</span>(supplierMode)
<a name="l00378"></a>00378 {
<a name="l00379"></a>00379 action=<span class="stringliteral">"construct PushSupplier"</span>;
<a name="l00380"></a>00380 <a class="code" href="a00075.html">Supplier_i</a>* supplier =<span class="keyword">new</span> <a class="code" href="a00075.html">Supplier_i</a>();
<a name="l00381"></a>00381 supplier-><a class="code" href="a00075.html#a2">supply</a>(channel,action);
<a name="l00382"></a>00382 }
<a name="l00383"></a>00383 <span class="keywordflow">else</span>
<a name="l00384"></a>00384 {
<a name="l00385"></a>00385 action=<span class="stringliteral">"construct PushConsumer"</span>;
<a name="l00386"></a>00386 <a class="code" href="a00042.html">Consumer_i</a>* consumer =<span class="keyword">new</span> <a class="code" href="a00042.html">Consumer_i</a>();
<a name="l00387"></a>00387 consumer-><a class="code" href="a00042.html#a3">consume</a>(channel,action);
<a name="l00388"></a>00388
<a name="l00389"></a>00389 action=<span class="stringliteral">"run ORB"</span>;
<a name="l00390"></a>00390 <a class="code" href="a00097.html#a0">orb</a>->run();
<a name="l00391"></a>00391 }
<a name="l00392"></a>00392
<a name="l00393"></a>00393 <span class="keywordflow">return</span> 0;
<a name="l00394"></a>00394
<a name="l00395"></a>00395 }
<a name="l00396"></a>00396 <span class="keywordflow">catch</span>(CORBA::ORB::InvalidName& ex) { <span class="comment">// resolve_initial_references</span>
<a name="l00397"></a>00397 cerr<<<span class="stringliteral">"Failed to "</span><<action<<<span class="stringliteral">". ORB::InvalidName"</span><<endl;
<a name="l00398"></a>00398 }
<a name="l00399"></a>00399 <span class="keywordflow">catch</span>(CosNaming::NamingContext::InvalidName& ex) { <span class="comment">// resolve</span>
<a name="l00400"></a>00400 cerr<<<span class="stringliteral">"Failed to "</span><<action<<<span class="stringliteral">". NamingContext::InvalidName"</span><<endl;
<a name="l00401"></a>00401 }
<a name="l00402"></a>00402 <span class="keywordflow">catch</span>(CosNaming::NamingContext::NotFound& ex) { <span class="comment">// resolve</span>
<a name="l00403"></a>00403 cerr<<<span class="stringliteral">"Failed to "</span><<action<<<span class="stringliteral">". NamingContext::NotFound"</span><<endl;
<a name="l00404"></a>00404 }
<a name="l00405"></a>00405 <span class="keywordflow">catch</span>(CosNaming::NamingContext::CannotProceed& ex) { <span class="comment">// resolve</span>
<a name="l00406"></a>00406 cerr<<<span class="stringliteral">"Failed to "</span><<action<<<span class="stringliteral">". NamingContext::CannotProceed"</span><<endl;
<a name="l00407"></a>00407 }
<a name="l00408"></a>00408 <span class="keywordflow">catch</span>(CORBA::TRANSIENT& ex) { <span class="comment">// _narrow()</span>
<a name="l00409"></a>00409 cerr<<<span class="stringliteral">"Failed to "</span><<action<<<span class="stringliteral">". TRANSIENT"</span><<endl;
<a name="l00410"></a>00410 }
<a name="l00411"></a>00411 <span class="keywordflow">catch</span>(CORBA::OBJECT_NOT_EXIST& ex) { <span class="comment">// _narrow()</span>
<a name="l00412"></a>00412 cerr<<<span class="stringliteral">"Failed to "</span><<action<<<span class="stringliteral">". OBJECT_NOT_EXIST"</span><<endl;
<a name="l00413"></a>00413 }
<a name="l00414"></a>00414 <span class="keywordflow">catch</span>(CORBA::SystemException& ex) {
<a name="l00415"></a>00415 cerr<<<span class="stringliteral">"Failed to "</span><<action<<<span class="stringliteral">"."</span>
<a name="l00416"></a>00416 <span class="preprocessor">#if defined(HAVE_OMNIORB4)</span>
<a name="l00417"></a>00417 <span class="preprocessor"></span> <span class="stringliteral">" "</span><<ex._name()<<<span class="stringliteral">" ("</span><<ex.NP_minorString()<<<span class="stringliteral">")"</span>
<a name="l00418"></a>00418 <span class="preprocessor">#endif</span>
<a name="l00419"></a>00419 <span class="preprocessor"></span> <<endl;
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421 <span class="keywordflow">catch</span>(CORBA::Exception& ex) {
<a name="l00422"></a>00422 cerr<<<span class="stringliteral">"Failed to "</span><<action<<<span class="stringliteral">"."</span>
<a name="l00423"></a>00423 <span class="preprocessor">#if defined(HAVE_OMNIORB4)</span>
<a name="l00424"></a>00424 <span class="preprocessor"></span> <span class="stringliteral">" "</span><<ex._name()
<a name="l00425"></a>00425 <span class="preprocessor">#endif</span>
<a name="l00426"></a>00426 <span class="preprocessor"></span> <<endl;
<a name="l00427"></a>00427 }
<a name="l00428"></a>00428
<a name="l00429"></a>00429 <span class="keywordflow">return</span> 1;
<a name="l00430"></a>00430 }
<a name="l00431"></a>00431
<a name="l00432"></a><a class="code" href="a00100.html#a4">00432</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="a00141.html#a5">usage</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
<a name="l00433"></a>00433 {
<a name="l00434"></a>00434 cerr<<
<a name="l00435"></a>00435 <span class="stringliteral">"\nStream events from a channel to stdout, or (-s) from stdin to a channel.\n"</span>
<a name="l00436"></a>00436 <span class="stringliteral">"syntax: "</span><<(argc?argv[0]:<span class="stringliteral">"events"</span>)<<<span class="stringliteral">" OPTIONS [CHANNEL_URI]\n"</span>
<a name="l00437"></a>00437 <span class="stringliteral">"\n"</span>
<a name="l00438"></a>00438 <span class="stringliteral">"CHANNEL_URI: The event channel may be specified as a URI.\n"</span>
<a name="l00439"></a>00439 <span class="stringliteral">" This may be an IOR, or a corbaloc::: or corbaname::: URI.\n"</span>
<a name="l00440"></a>00440 <span class="stringliteral">"\n"</span>
<a name="l00441"></a>00441 <span class="stringliteral">"OPTIONS: DEFAULT:\n"</span>
<a name="l00442"></a>00442 <span class="stringliteral">" -s supply mode. Read events from stdin.\n"</span>
<a name="l00443"></a>00443 <span class="stringliteral">" -n NAME channel name (if URI is not specified) [\"EventChannel\"]\n"</span>
<a name="l00444"></a>00444 <span class="stringliteral">" -h display this help text\n"</span> << endl;
<a name="l00445"></a>00445 }
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Aug 26 20:56:14 2005 for OmniEvents by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.3-20050530 </small></address>
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