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<hr><h1>eventf.cc</h1><a href="a00096.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <font class="comment">// Package : omniEvents</font>
00002 <font class="comment">// eventf.cc Created : 2004-05-30</font>
00003 <font class="comment">// Author : Alex Tingle</font>
00004 <font class="comment">//</font>
00005 <font class="comment">// Copyright (C) 2004 Alex Tingle</font>
00006 <font class="comment">//</font>
00007 <font class="comment">// This file is part of the omniEvents application.</font>
00008 <font class="comment">//</font>
00009 <font class="comment">// omniEvents is free software; you can redistribute it and/or</font>
00010 <font class="comment">// modify it under the terms of the GNU Lesser General Public</font>
00011 <font class="comment">// License as published by the Free Software Foundation; either</font>
00012 <font class="comment">// version 2.1 of the License, or (at your option) any later version.</font>
00013 <font class="comment">//</font>
00014 <font class="comment">// omniEvents is distributed in the hope that it will be useful,</font>
00015 <font class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00016 <font class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00017 <font class="comment">// Lesser General Public License for more details.</font>
00018 <font class="comment">//</font>
00019 <font class="comment">// You should have received a copy of the GNU Lesser General Public</font>
00020 <font class="comment">// License along with this library; if not, write to the Free Software</font>
00021 <font class="comment">// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</font>
00022 <font class="comment">//</font>
00023 <font class="comment">// Description:</font>
00024 <font class="comment">// Destroys the named EventChannel.</font>
00025 <font class="comment">// </font>
00026
00027 <font class="preprocessor">#ifdef HAVE_CONFIG_H</font>
00028 <font class="preprocessor"></font><font class="preprocessor"># include "<a class="code" href="a00082.html">config.h</a>"</font>
00029 <font class="preprocessor">#endif</font>
00030 <font class="preprocessor"></font>
00031 <font class="preprocessor">#ifdef HAVE_GETOPT</font>
00032 <font class="preprocessor"></font><font class="preprocessor"># include <unistd.h></font>
00033 <font class="keyword">extern</font> <font class="keywordtype">char</font>* optarg;
00034 <font class="keyword">extern</font> <font class="keywordtype">int</font> optind;
00035 <font class="preprocessor">#else</font>
00036 <font class="preprocessor"></font><font class="preprocessor"># include "<a class="code" href="a00104.html">getopt.h</a>"</font>
00037 <font class="preprocessor">#endif</font>
00038 <font class="preprocessor"></font>
00039 <font class="preprocessor">#ifdef HAVE_STDLIB_H</font>
00040 <font class="preprocessor"></font><font class="preprocessor"># include <stdlib.h></font> <font class="comment">// exit()</font>
00041 <font class="preprocessor">#endif</font>
00042 <font class="preprocessor"></font>
00043 <font class="preprocessor">#ifdef HAVE_IOSTREAM</font>
00044 <font class="preprocessor"></font><font class="preprocessor"># include <iostream></font>
00045 <font class="preprocessor">#else</font>
00046 <font class="preprocessor"></font><font class="preprocessor"># include <iostream.h></font>
00047 <font class="preprocessor">#endif</font>
00048 <font class="preprocessor"></font>
00049 <font class="preprocessor">#ifdef HAVE_STD_IOSTREAM</font>
00050 <font class="preprocessor"></font><font class="keyword">using</font> <font class="keyword">namespace </font>std;
00051 <font class="preprocessor">#endif</font>
00052 <font class="preprocessor"></font>
00053 <font class="preprocessor">#include "CosEventChannelAdmin.hh"</font>
00054
00055 <font class="keyword">static</font> <font class="keywordtype">void</font> <a class="code" href="a00131.html#a0">usage</a>(<font class="keywordtype">int</font> argc, <font class="keywordtype">char</font> **argv);
00056 <font class="keyword">static</font> CosEventChannelAdmin::EventChannel_ptr <a class="code" href="a00096.html#a2">getChannel</a>(<font class="keyword">const</font> <font class="keywordtype">char</font>* sior);
00057
<a name="l00058"></a><a class="code" href="a00096.html#a0">00058</a> CORBA::ORB_ptr <a class="code" href="a00096.html#a0">orb</a>;
00059
00060 <font class="keywordtype">int</font>
<a name="l00061"></a><a class="code" href="a00096.html#a3">00061</a> <a class="code" href="a00131.html#a1">main</a>(<font class="keywordtype">int</font> argc, <font class="keywordtype">char</font> **argv)
00062 {
00063 <font class="keywordtype">int</font> result =1;
00064
00065 <font class="comment">//</font>
00066 <font class="comment">// Start orb.</font>
00067 <font class="preprocessor">#if defined(HAVE_OMNIORB4)</font>
00068 <font class="preprocessor"></font> <a class="code" href="a00096.html#a0">orb</a>=CORBA::ORB_init(argc,argv,<font class="stringliteral">"omniORB4"</font>);
00069 <font class="preprocessor">#else</font>
00070 <font class="preprocessor"></font> <a class="code" href="a00096.html#a0">orb</a>=CORBA::ORB_init(argc,argv,<font class="stringliteral">"omniORB3"</font>);
00071 <font class="preprocessor">#endif</font>
00072 <font class="preprocessor"></font>
00073 <font class="comment">// Process Options</font>
00074 <font class="keywordtype">int</font> c;
00075
00076 <font class="keywordflow">while</font>((c = <a class="code" href="a00103.html#a5">getopt</a>(argc,argv,<font class="stringliteral">"h"</font>)) != EOF)
00077 {
00078 <font class="keywordflow">switch</font> (c)
00079 {
00080 <font class="keywordflow">case</font> <font class="charliteral">'h'</font>: <a class="code" href="a00131.html#a0">usage</a>(argc,argv);
00081 exit(0);
00082
00083 <font class="keywordflow">default</font> : <a class="code" href="a00131.html#a0">usage</a>(argc,argv);
00084 exit(-1);
00085 }
00086 }
00087
00088 <font class="keywordflow">if</font>(optind!=argc-2)
00089 {
00090 <a class="code" href="a00131.html#a0">usage</a>(argc,argv);
00091 exit(-1);
00092 }
00093
00094 <font class="comment">//</font>
00095 <font class="comment">// Use one big try...catch block.</font>
00096 <font class="comment">// 'action' variable keeps track of what we're doing.</font>
00097 <font class="keyword">const</font> <font class="keywordtype">char</font>* action =<font class="stringliteral">"start"</font>;
00098 <font class="keywordflow">try</font>
00099 {
00100 <font class="keyword">using</font> <font class="keyword">namespace </font>CosEventChannelAdmin;
00101
00102 action=<font class="stringliteral">"convert URI into reference to source channel"</font>;
00103 EventChannel_var from_channel =<a class="code" href="a00096.html#a2">getChannel</a>(argv[optind]);
00104
00105 action=<font class="stringliteral">"convert URI into reference to destination channel"</font>;
00106 EventChannel_var to_channel =<a class="code" href="a00096.html#a2">getChannel</a>(argv[optind+1]);
00107
00108 action=<font class="stringliteral">"obtain ConsumerAdmin"</font>;
00109 ConsumerAdmin_var cadmin =from_channel->for_consumers();
00110
00111 action=<font class="stringliteral">"obtain ProxyPushSupplier"</font>;
00112 ProxyPushSupplier_var supplier =cadmin->obtain_push_supplier();
00113
00114 action=<font class="stringliteral">"obtain SupplierAdmin"</font>;
00115 SupplierAdmin_var sadmin =to_channel->for_suppliers();
00116
00117 action=<font class="stringliteral">"obtain ProxyPushConsumer"</font>;
00118 ProxyPushConsumer_var consumer =sadmin->obtain_push_consumer();
00119
00120 action=<font class="stringliteral">"connect PushConsumer"</font>;
00121 consumer->connect_push_supplier(supplier.in());
00122
00123 action=<font class="stringliteral">"connect PushSupplier"</font>;
00124 supplier->connect_push_consumer(consumer.in());
00125
00126 <font class="comment">//</font>
00127 <font class="comment">// Clean up.</font>
00128 <a class="code" href="a00096.html#a0">orb</a>->destroy();
00129
00130 <font class="comment">//</font>
00131 <font class="comment">// If we get here, then everything has worked OK.</font>
00132 result=0;
00133
00134 }
00135 <font class="keywordflow">catch</font>(CORBA::TRANSIENT& ex) { <font class="comment">// _narrow()</font>
00136 cerr<<<font class="stringliteral">"Failed to "</font><<action<<<font class="stringliteral">". TRANSIENT"</font><<endl;
00137 }
00138 <font class="keywordflow">catch</font>(CORBA::OBJECT_NOT_EXIST& ex) { <font class="comment">// _narrow()</font>
00139 cerr<<<font class="stringliteral">"Failed to "</font><<action<<<font class="stringliteral">". OBJECT_NOT_EXIST"</font><<endl;
00140 }
00141 <font class="keywordflow">catch</font>(CORBA::SystemException& ex) {
00142 cerr<<<font class="stringliteral">"Failed to "</font><<action<<<font class="stringliteral">"."</font>;
00143 <font class="preprocessor">#if defined(HAVE_OMNIORB4)</font>
00144 <font class="preprocessor"></font> cerr<<<font class="stringliteral">" "</font><<ex._name();
00145 <font class="keywordflow">if</font>(ex.NP_minorString())
00146 cerr<<<font class="stringliteral">" ("</font><<ex.NP_minorString()<<<font class="stringliteral">")"</font>;
00147 <font class="preprocessor">#endif</font>
00148 <font class="preprocessor"></font> cerr<<endl;
00149 }
00150 <font class="keywordflow">catch</font>(CORBA::Exception& ex) {
00151 cerr<<<font class="stringliteral">"Failed to "</font><<action<<<font class="stringliteral">"."</font>
00152 <font class="preprocessor">#if defined(HAVE_OMNIORB4)</font>
00153 <font class="preprocessor"></font> <font class="stringliteral">" "</font><<ex._name()
00154 <font class="preprocessor">#endif</font>
00155 <font class="preprocessor"></font> <<endl;
00156 }
00157
00158 <font class="keywordflow">return</font> result;
00159 }
00160
00161
00162 <font class="keyword">static</font> <font class="keywordtype">void</font>
<a name="l00163"></a><a class="code" href="a00096.html#a1">00163</a> <a class="code" href="a00131.html#a0">usage</a>(<font class="keywordtype">int</font> argc, <font class="keywordtype">char</font> **argv)
00164 {
00165 cerr<<
00166 <font class="stringliteral">"\nConnect (federate) two event channels.\n"</font>
00167 <font class="stringliteral">"syntax: "</font><<(argc?argv[0]:<font class="stringliteral">"eventf"</font>)<<<font class="stringliteral">" OPTIONS [FROM_CHANNEL] [TO_CHANNEL]\n"</font>
00168 <font class="stringliteral">"\n"</font>
00169 <font class="stringliteral">"FROM/TO_CHANNEL: The event channels must be specified as a URI.\n"</font>
00170 <font class="stringliteral">" This may be an IOR, or a corbaloc::: or corbaname::: URI.\n"</font>
00171 <font class="stringliteral">"\n"</font>
00172 <font class="stringliteral">"OPTIONS:\n"</font>
00173 <font class="stringliteral">" -h display this help text\n"</font> << endl;
00174 }
00175
00176
00177 <font class="comment">//</font>
00178 <font class="comment">// Obtain object reference to EventChannel</font>
00179 <font class="keyword">static</font> CosEventChannelAdmin::EventChannel_ptr
<a name="l00180"></a><a class="code" href="a00096.html#a2">00180</a> <a class="code" href="a00096.html#a2">getChannel</a>(<font class="keyword">const</font> <font class="keywordtype">char</font>* sior)
00181 {
00182 <font class="comment">// convert URI from command line into object reference";</font>
00183 CORBA::Object_var obj =<a class="code" href="a00096.html#a0">orb</a>->string_to_object(sior);
00184
00185 <font class="comment">// narrow object reference to event channel";</font>
00186 CosEventChannelAdmin::EventChannel_var channel =
00187 CosEventChannelAdmin::EventChannel::_narrow(obj);
00188 <font class="keywordflow">if</font>(CORBA::is_nil(channel))
00189 <font class="keywordflow">throw</font> CORBA::OBJECT_NOT_EXIST();
00190
00191 <font class="keywordflow">return</font> channel._retn();
00192 }
</pre></div><hr><address align="right"><small>Generated on Fri Nov 19 17:42:20 2004 for OmniEvents by
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