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<h1>eventf.cc</h1><a href="a00097.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Package : omniEvents</span>
<a name="l00002"></a>00002 <span class="comment">// eventf.cc Created : 2004-05-30</span>
<a name="l00003"></a>00003 <span class="comment">// Author : Alex Tingle</span>
<a name="l00004"></a>00004 <span class="comment">//</span>
<a name="l00005"></a>00005 <span class="comment">// Copyright (C) 2004 Alex Tingle</span>
<a name="l00006"></a>00006 <span class="comment">//</span>
<a name="l00007"></a>00007 <span class="comment">// This file is part of the omniEvents application.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// omniEvents is free software; you can redistribute it and/or</span>
<a name="l00010"></a>00010 <span class="comment">// modify it under the terms of the GNU Lesser General Public</span>
<a name="l00011"></a>00011 <span class="comment">// License as published by the Free Software Foundation; either</span>
<a name="l00012"></a>00012 <span class="comment">// version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00013"></a>00013 <span class="comment">//</span>
<a name="l00014"></a>00014 <span class="comment">// omniEvents is distributed in the hope that it will be useful,</span>
<a name="l00015"></a>00015 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00016"></a>00016 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00017"></a>00017 <span class="comment">// Lesser General Public License for more details.</span>
<a name="l00018"></a>00018 <span class="comment">//</span>
<a name="l00019"></a>00019 <span class="comment">// You should have received a copy of the GNU Lesser General Public</span>
<a name="l00020"></a>00020 <span class="comment">// License along with this library; if not, write to the Free Software</span>
<a name="l00021"></a>00021 <span class="comment">// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="comment">// Description:</span>
<a name="l00024"></a>00024 <span class="comment">// Destroys the named EventChannel.</span>
<a name="l00025"></a>00025 <span class="comment">// </span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor"># include "<a class="code" href="a00083.html">config.h</a>"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#endif</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031 <span class="preprocessor">#ifdef HAVE_GETOPT</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor"># include <unistd.h></span>
<a name="l00033"></a>00033 <span class="keyword">extern</span> <span class="keywordtype">char</span>* <a class="code" href="a00104.html#a3">optarg</a>;
<a name="l00034"></a>00034 <span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="a00104.html#a2">optind</a>;
<a name="l00035"></a>00035 <span class="preprocessor">#else</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor"># include "<a class="code" href="a00105.html">getopt.h</a>"</span>
<a name="l00037"></a>00037 <span class="preprocessor">#endif</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span>
<a name="l00039"></a>00039 <span class="preprocessor">#ifdef HAVE_STDLIB_H</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor"># include <stdlib.h></span> <span class="comment">// exit()</span>
<a name="l00041"></a>00041 <span class="preprocessor">#endif</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span>
<a name="l00043"></a>00043 <span class="preprocessor">#ifdef HAVE_IOSTREAM</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor"># include <iostream></span>
<a name="l00045"></a>00045 <span class="preprocessor">#else</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor"># include <iostream.h></span>
<a name="l00047"></a>00047 <span class="preprocessor">#endif</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span>
<a name="l00049"></a>00049 <span class="preprocessor">#ifdef HAVE_STD_IOSTREAM</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="keyword">using</span> <span class="keyword">namespace </span>std;
<a name="l00051"></a>00051 <span class="preprocessor">#endif</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span>
<a name="l00053"></a>00053 <span class="preprocessor">#include "CosEventChannelAdmin.hh"</span>
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <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="l00056"></a>00056 <span class="keyword">static</span> CosEventChannelAdmin::EventChannel_ptr <a class="code" href="a00097.html#a2">getChannel</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* sior);
<a name="l00057"></a>00057
<a name="l00058"></a><a class="code" href="a00097.html#a0">00058</a> CORBA::ORB_ptr <a class="code" href="a00097.html#a0">orb</a>;
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordtype">int</span>
<a name="l00061"></a><a class="code" href="a00097.html#a3">00061</a> <a class="code" href="a00106.html#a0">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 <span class="keywordtype">int</span> result =1;
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="comment">//</span>
<a name="l00066"></a>00066 <span class="comment">// Start orb.</span>
<a name="l00067"></a>00067 <span class="preprocessor">#if defined(HAVE_OMNIORB4)</span>
<a name="l00068"></a>00068 <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="l00069"></a>00069 <span class="preprocessor">#else</span>
<a name="l00070"></a>00070 <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="l00071"></a>00071 <span class="preprocessor">#endif</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span>
<a name="l00073"></a>00073 <span class="comment">// Process Options</span>
<a name="l00074"></a>00074 <span class="keywordtype">int</span> c;
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keywordflow">while</span>((c = <a class="code" href="a00104.html#a5">getopt</a>(argc,argv,<span class="stringliteral">"h"</span>)) != EOF)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="keywordflow">switch</span> (c)
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="keywordflow">case</span> <span class="charliteral">'h'</span>: <a class="code" href="a00141.html#a5">usage</a>(argc,argv);
<a name="l00081"></a>00081 exit(0);
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keywordflow">default</span> : <a class="code" href="a00141.html#a5">usage</a>(argc,argv);
<a name="l00084"></a>00084 exit(-1);
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordflow">if</span>(<a class="code" href="a00104.html#a2">optind</a>!=argc-2)
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 <a class="code" href="a00141.html#a5">usage</a>(argc,argv);
<a name="l00091"></a>00091 exit(-1);
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="comment">//</span>
<a name="l00095"></a>00095 <span class="comment">// Use one big try...catch block.</span>
<a name="l00096"></a>00096 <span class="comment">// 'action' variable keeps track of what we're doing.</span>
<a name="l00097"></a>00097 <span class="keyword">const</span> <span class="keywordtype">char</span>* action =<span class="stringliteral">"start"</span>;
<a name="l00098"></a>00098 <span class="keywordflow">try</span>
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 <span class="keyword">using</span> <span class="keyword">namespace </span>CosEventChannelAdmin;
<a name="l00101"></a>00101
<a name="l00102"></a>00102 action=<span class="stringliteral">"convert URI into reference to source channel"</span>;
<a name="l00103"></a>00103 EventChannel_var from_channel =<a class="code" href="a00097.html#a2">getChannel</a>(argv[<a class="code" href="a00104.html#a2">optind</a>]);
<a name="l00104"></a>00104
<a name="l00105"></a>00105 action=<span class="stringliteral">"convert URI into reference to destination channel"</span>;
<a name="l00106"></a>00106 EventChannel_var to_channel =<a class="code" href="a00097.html#a2">getChannel</a>(argv[optind+1]);
<a name="l00107"></a>00107
<a name="l00108"></a>00108 action=<span class="stringliteral">"obtain ConsumerAdmin"</span>;
<a name="l00109"></a>00109 ConsumerAdmin_var cadmin =from_channel->for_consumers();
<a name="l00110"></a>00110
<a name="l00111"></a>00111 action=<span class="stringliteral">"obtain ProxyPushSupplier"</span>;
<a name="l00112"></a>00112 ProxyPushSupplier_var supplier =cadmin->obtain_push_supplier();
<a name="l00113"></a>00113
<a name="l00114"></a>00114 action=<span class="stringliteral">"obtain SupplierAdmin"</span>;
<a name="l00115"></a>00115 SupplierAdmin_var sadmin =to_channel->for_suppliers();
<a name="l00116"></a>00116
<a name="l00117"></a>00117 action=<span class="stringliteral">"obtain ProxyPushConsumer"</span>;
<a name="l00118"></a>00118 ProxyPushConsumer_var consumer =sadmin->obtain_push_consumer();
<a name="l00119"></a>00119
<a name="l00120"></a>00120 action=<span class="stringliteral">"connect PushConsumer"</span>;
<a name="l00121"></a>00121 consumer->connect_push_supplier(supplier.in());
<a name="l00122"></a>00122
<a name="l00123"></a>00123 action=<span class="stringliteral">"connect PushSupplier"</span>;
<a name="l00124"></a>00124 supplier->connect_push_consumer(consumer.in());
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="comment">//</span>
<a name="l00127"></a>00127 <span class="comment">// Clean up nicely.</span>
<a name="l00128"></a>00128 action=<span class="stringliteral">"destroy orb"</span>;
<a name="l00129"></a>00129 <a class="code" href="a00097.html#a0">orb</a>->destroy();
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="comment">//</span>
<a name="l00132"></a>00132 <span class="comment">// If we get here, then everything has worked OK.</span>
<a name="l00133"></a>00133 result=0;
<a name="l00134"></a>00134
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136 <span class="keywordflow">catch</span>(CORBA::TRANSIENT& ex) { <span class="comment">// _narrow()</span>
<a name="l00137"></a>00137 cerr<<<span class="stringliteral">"Failed to "</span><<action<<<span class="stringliteral">". TRANSIENT"</span><<endl;
<a name="l00138"></a>00138 }
<a name="l00139"></a>00139 <span class="keywordflow">catch</span>(CORBA::OBJECT_NOT_EXIST& ex) { <span class="comment">// _narrow()</span>
<a name="l00140"></a>00140 cerr<<<span class="stringliteral">"Failed to "</span><<action<<<span class="stringliteral">". OBJECT_NOT_EXIST"</span><<endl;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 <span class="keywordflow">catch</span>(CORBA::SystemException& ex) {
<a name="l00143"></a>00143 cerr<<<span class="stringliteral">"Failed to "</span><<action<<<span class="stringliteral">"."</span>;
<a name="l00144"></a>00144 <span class="preprocessor">#if defined(HAVE_OMNIORB4)</span>
<a name="l00145"></a>00145 <span class="preprocessor"></span> cerr<<<span class="stringliteral">" "</span><<ex._name();
<a name="l00146"></a>00146 <span class="keywordflow">if</span>(ex.NP_minorString())
<a name="l00147"></a>00147 cerr<<<span class="stringliteral">" ("</span><<ex.NP_minorString()<<<span class="stringliteral">")"</span>;
<a name="l00148"></a>00148 <span class="preprocessor">#endif</span>
<a name="l00149"></a>00149 <span class="preprocessor"></span> cerr<<endl;
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151 <span class="keywordflow">catch</span>(CORBA::Exception& ex) {
<a name="l00152"></a>00152 cerr<<<span class="stringliteral">"Failed to "</span><<action<<<span class="stringliteral">"."</span>
<a name="l00153"></a>00153 <span class="preprocessor">#if defined(HAVE_OMNIORB4)</span>
<a name="l00154"></a>00154 <span class="preprocessor"></span> <span class="stringliteral">" "</span><<ex._name()
<a name="l00155"></a>00155 <span class="preprocessor">#endif</span>
<a name="l00156"></a>00156 <span class="preprocessor"></span> <<endl;
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keywordflow">return</span> result;
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00164"></a><a class="code" href="a00097.html#a1">00164</a> <a class="code" href="a00141.html#a5">usage</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
<a name="l00165"></a>00165 {
<a name="l00166"></a>00166 cerr<<
<a name="l00167"></a>00167 <span class="stringliteral">"\nConnect (federate) two event channels.\n"</span>
<a name="l00168"></a>00168 <span class="stringliteral">"syntax: "</span><<(argc?argv[0]:<span class="stringliteral">"eventf"</span>)<<<span class="stringliteral">" OPTIONS [FROM_CHANNEL] [TO_CHANNEL]\n"</span>
<a name="l00169"></a>00169 <span class="stringliteral">"\n"</span>
<a name="l00170"></a>00170 <span class="stringliteral">"FROM/TO_CHANNEL: The event channels must be specified as a URI.\n"</span>
<a name="l00171"></a>00171 <span class="stringliteral">" This may be an IOR, or a corbaloc::: or corbaname::: URI.\n"</span>
<a name="l00172"></a>00172 <span class="stringliteral">"\n"</span>
<a name="l00173"></a>00173 <span class="stringliteral">"OPTIONS:\n"</span>
<a name="l00174"></a>00174 <span class="stringliteral">" -h display this help text\n"</span> << endl;
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="comment">//</span>
<a name="l00179"></a>00179 <span class="comment">// Obtain object reference to EventChannel</span>
<a name="l00180"></a>00180 <span class="keyword">static</span> CosEventChannelAdmin::EventChannel_ptr
<a name="l00181"></a><a class="code" href="a00097.html#a2">00181</a> <a class="code" href="a00097.html#a2">getChannel</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* sior)
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <span class="comment">// convert URI from command line into object reference";</span>
<a name="l00184"></a>00184 CORBA::Object_var obj =<a class="code" href="a00097.html#a0">orb</a>->string_to_object(sior);
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="comment">// narrow object reference to event channel";</span>
<a name="l00187"></a>00187 CosEventChannelAdmin::EventChannel_var channel =
<a name="l00188"></a>00188 CosEventChannelAdmin::EventChannel::_narrow(obj);
<a name="l00189"></a>00189 <span class="keywordflow">if</span>(CORBA::is_nil(channel))
<a name="l00190"></a>00190 <span class="keywordflow">throw</span> CORBA::OBJECT_NOT_EXIST();
<a name="l00191"></a>00191
<a name="l00192"></a>00192 <span class="keywordflow">return</span> channel._retn();
<a name="l00193"></a>00193 }
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Aug 26 20:56:14 2005 for OmniEvents by
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