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<h1>Servant.cc</h1><a href="a00135.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">// Servant.cc Created : 2003/12/04</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) 2003-2005 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
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="a00136.html">Servant.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="a00116.html">Orb.h</a>"</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#ifdef HAVE_SYS_TYPES_H</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor"># include <sys/types.h></span> <span class="comment">// getpid</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_UNISTD_H</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor"># include <unistd.h></span> <span class="comment">// getpid</span>
<a name="l00033"></a>00033 <span class="preprocessor">#elif defined(HAVE_PROCESS_H)</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor"># include <process.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#endif</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include <stdio.h></span> <span class="comment">// sprintf</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include <assert.h></span>
<a name="l00039"></a>00039
<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="keyword">namespace </span>OmniEvents {
<a name="l00051"></a>00051
<a name="l00052"></a>00052
<a name="l00053"></a><a class="code" href="a00141.html#a8">00053</a> CORBA::Object_ptr <a class="code" href="a00141.html#a8">createReference</a>(
<a name="l00054"></a>00054 PortableServer::POA_ptr poa, <span class="comment">// POA to own new object</span>
<a name="l00055"></a>00055 <span class="keyword">const</span> <span class="keywordtype">char</span>* repositoryId <span class="comment">// e.g. _tc_ProxyPushSupplier->id()</span>
<a name="l00056"></a>00056 )
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058 CORBA::String_var oidStr =<a class="code" href="a00141.html#a9">newUniqueId</a>();
<a name="l00059"></a>00059
<a name="l00060"></a>00060 PortableServer::ObjectId_var oid =
<a name="l00061"></a>00061 PortableServer::string_to_ObjectId(oidStr.in());
<a name="l00062"></a>00062
<a name="l00063"></a>00063 CORBA::Object_var obj =
<a name="l00064"></a>00064 poa->create_reference_with_id(oid.in(),repositoryId);
<a name="l00065"></a>00065
<a name="l00066"></a>00066 assert(!CORBA::is_nil(obj));
<a name="l00067"></a>00067 <span class="keywordflow">return</span> obj._retn();
<a name="l00068"></a>00068 }
<a name="l00069"></a>00069
<a name="l00070"></a><a class="code" href="a00141.html#a9">00070</a> <span class="keywordtype">char</span>* <a class="code" href="a00141.html#a9">newUniqueId</a>()
<a name="l00071"></a>00071 {
<a name="l00072"></a>00072 <span class="keyword">static</span> <span class="keywordtype">long</span> count=0;
<a name="l00073"></a>00073 <span class="keyword">static</span> omni_mutex <a class="code" href="a00131.html#a0">mutex</a>;
<a name="l00074"></a>00074 <span class="keywordtype">int</span> mypid =getpid(); <span class="comment">// MS VC++6 doesn't have type pid_t!</span>
<a name="l00075"></a>00075 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> sec,nsec;
<a name="l00076"></a>00076 omni_thread::get_time(&sec,&nsec); <span class="comment">// More portable than just time().</span>
<a name="l00077"></a>00077 <span class="keywordtype">char</span> buf[128];
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079 omni_mutex_lock l(mutex);
<a name="l00080"></a>00080 sprintf(buf,<span class="stringliteral">"%lx.%d.%lx"</span>,++count,mypid,sec);
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082 <span class="keywordflow">return</span> CORBA::string_dup(buf);
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="comment">//</span>
<a name="l00087"></a>00087 <span class="comment">// Servant</span>
<a name="l00088"></a>00088 <span class="comment">//</span>
<a name="l00089"></a>00089
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="preprocessor">#if OMNIEVENTS__DEBUG_SERVANT</span>
<a name="l00092"></a>00092 <span class="preprocessor"></span><span class="preprocessor"># define OMNIEVENTS__ADDR "["<<long(this)<<"] "</span>
<a name="l00093"></a>00093 <span class="preprocessor"></span><span class="keywordtype">int</span> Servant::_objectCount =0;
<a name="l00094"></a>00094 <span class="preprocessor">#else</span>
<a name="l00095"></a><a class="code" href="a00135.html#a0">00095</a> <span class="preprocessor"></span><span class="preprocessor"># define OMNIEVENTS__ADDR</span>
<a name="l00096"></a>00096 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00097"></a>00097 <span class="preprocessor"></span>
<a name="l00098"></a>00098
<a name="l00099"></a><a class="code" href="a00073.html#b0">00099</a> <a class="code" href="a00073.html#d0">Servant::Servant</a>(PortableServer::POA_ptr poa)
<a name="l00100"></a>00100 : _poa(PortableServer::POA::_duplicate(poa))
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 <span class="preprocessor">#if OMNIEVENTS__DEBUG_SERVANT</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span> ++_objectCount;
<a name="l00104"></a>00104 <a class="code" href="a00116.html#a2">DB</a>(21,<a class="code" href="a00135.html#a0">OMNIEVENTS__ADDR</a> <span class="stringliteral">"Servant::Servant() count="</span><<_objectCount)
<a name="l00105"></a>00105 #endif
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107
<a name="l00108"></a>00108
<a name="l00109"></a><a class="code" href="a00073.html#a1">00109</a> <a class="code" href="a00073.html#a1">Servant::~Servant</a>()
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <span class="preprocessor">#if OMNIEVENTS__DEBUG_SERVANT</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span> --_objectCount;
<a name="l00113"></a>00113 <a class="code" href="a00116.html#a2">DB</a>(20,<a class="code" href="a00135.html#a0">OMNIEVENTS__ADDR</a> <span class="stringliteral">"Servant::~Servant() count="</span><<_objectCount)
<a name="l00114"></a>00114 #endif
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116
<a name="l00117"></a>00117
<a name="l00118"></a><a class="code" href="a00073.html#a0">00118</a> PortableServer::POA_ptr <a class="code" href="a00073.html#a0">Servant::_default_POA</a>()
<a name="l00119"></a>00119 {
<a name="l00120"></a>00120 <span class="keywordflow">return</span> PortableServer::POA::_duplicate(<a class="code" href="a00073.html#p0">_poa</a>.in());
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123
<a name="l00124"></a><a class="code" href="a00073.html#b1">00124</a> <span class="keywordtype">void</span> <a class="code" href="a00073.html#b1">Servant::activateObjectWithId</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* oidStr)
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 <span class="keyword">using</span> <span class="keyword">namespace </span>PortableServer;
<a name="l00127"></a>00127 CORBA::String_var poaName =<a class="code" href="a00073.html#p0">_poa</a>->the_name();
<a name="l00128"></a>00128 <a class="code" href="a00116.html#a2">DB</a>(5,<a class="code" href="a00135.html#a0">OMNIEVENTS__ADDR</a> <span class="stringliteral">"Activating object "</span><<poaName.in()<<<span class="stringliteral">"/"</span><<oidStr);
<a name="l00129"></a>00129 <span class="keywordflow">try</span>
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 ObjectId_var oid =string_to_ObjectId(oidStr);
<a name="l00132"></a>00132 <a class="code" href="a00073.html#p0">_poa</a>->activate_object_with_id(oid.in(),<span class="keyword">this</span>);
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134 <span class="keywordflow">catch</span>(CORBA::BAD_PARAM& ex)
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136 <a class="code" href="a00116.html#a2">DB</a>(0,<span class="stringliteral">"Can't activate "</span><<oidStr<<<span class="stringliteral">": "</span>
<a name="l00137"></a>00137 <span class="stringliteral">"BAD_PARAM"</span> <a class="code" href="a00116.html#a1">IF_OMNIORB4</a>(<span class="stringliteral">" ("</span><<<a class="code" href="a00116.html#a3">NP_MINORSTRING</a>(ex)<<<span class="stringliteral">")"</span>) )
<a name="l00138"></a>00138 <span class="keywordflow">throw</span>;
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140 <span class="keywordflow">catch</span>(POA::ServantAlreadyActive& ex)
<a name="l00141"></a>00141 {
<a name="l00142"></a>00142 <a class="code" href="a00116.html#a2">DB</a>(0,<span class="stringliteral">"Can't activate "</span><<oidStr<<<span class="stringliteral">": Servant is already active."</span>)
<a name="l00143"></a>00143 <span class="keywordflow">throw</span>;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145 <span class="keywordflow">catch</span>(POA::ObjectAlreadyActive& ex)
<a name="l00146"></a>00146 {
<a name="l00147"></a>00147 <a class="code" href="a00116.html#a2">DB</a>(0,<span class="stringliteral">"Can't activate "</span><<oidStr<<<span class="stringliteral">": Object is already active."</span>)
<a name="l00148"></a>00148 <span class="keywordflow">throw</span>;
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150 <span class="keywordflow">catch</span>(POA::WrongPolicy& ex)
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 <a class="code" href="a00116.html#a2">DB</a>(0,<span class="stringliteral">"Can't activate "</span><<oidStr<<<span class="stringliteral">": POA '"</span><<poaName.in()
<a name="l00153"></a>00153 <<<span class="stringliteral">"' has wrong policy for activate_object_with_id()."</span>)
<a name="l00154"></a>00154 exit(1); <span class="comment">// Programming error - so quit.</span>
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157
<a name="l00158"></a>00158
<a name="l00159"></a><a class="code" href="a00073.html#b2">00159</a> <span class="keywordtype">void</span> <a class="code" href="a00073.html#b2">Servant::deactivateObject</a>()
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 <span class="keyword">using</span> <span class="keyword">namespace </span>PortableServer;
<a name="l00162"></a>00162 CORBA::String_var poaName =<a class="code" href="a00073.html#p0">_poa</a>->the_name();
<a name="l00163"></a>00163
<a name="l00164"></a>00164 ObjectId_var oid;
<a name="l00165"></a>00165 <span class="keywordflow">try</span>
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 oid=<a class="code" href="a00073.html#p0">_poa</a>->servant_to_id(<span class="keyword">this</span>);
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169 <span class="keywordflow">catch</span>(POA::ServantNotActive& ex)
<a name="l00170"></a>00170 {
<a name="l00171"></a>00171 <a class="code" href="a00116.html#a2">DB</a>(0,<span class="stringliteral">"Can't deactivate servant: POA '"</span><<poaName.in()
<a name="l00172"></a>00172 <<<span class="stringliteral">"' says it is not active."</span>)
<a name="l00173"></a>00173 <span class="keywordflow">return</span>;
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175 <span class="keywordflow">catch</span>(POA::WrongPolicy& ex)
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 <a class="code" href="a00116.html#a2">DB</a>(0,<span class="stringliteral">"Can't deactivate servant: POA '"</span><<poaName.in()
<a name="l00178"></a>00178 <<<span class="stringliteral">"' has wrong policy for servant_to_id()."</span>)
<a name="l00179"></a>00179 exit(1); <span class="comment">// Programming error - so quit.</span>
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181
<a name="l00182"></a>00182 CORBA::String_var oidStr;
<a name="l00183"></a>00183 <span class="keywordflow">try</span>
<a name="l00184"></a>00184 {
<a name="l00185"></a>00185 oidStr=ObjectId_to_string(oid.in());
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187 <span class="keywordflow">catch</span>(CORBA::BAD_PARAM& ex)
<a name="l00188"></a>00188 {
<a name="l00189"></a>00189 <a class="code" href="a00116.html#a2">DB</a>(0,<span class="stringliteral">"Can't deactivate servant. ObjectId looks bad: "</span>
<a name="l00190"></a>00190 <span class="stringliteral">"BAD_PARAM"</span> <a class="code" href="a00116.html#a1">IF_OMNIORB4</a>(<span class="stringliteral">" ("</span><<<a class="code" href="a00116.html#a3">NP_MINORSTRING</a>(ex)<<<span class="stringliteral">")"</span>) )
<a name="l00191"></a>00191 <span class="keywordflow">return</span>;
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <span class="keywordflow">try</span>
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 <a class="code" href="a00116.html#a2">DB</a>(7,<a class="code" href="a00135.html#a0">OMNIEVENTS__ADDR</a> <span class="stringliteral">"Deactivating object "</span><<poaName<<<span class="stringliteral">"/"</span><<oidStr.in());
<a name="l00197"></a>00197 <a class="code" href="a00073.html#p0">_poa</a>->deactivate_object(oid.in());
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 <span class="keywordflow">catch</span>(POA::ObjectNotActive& ex)
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 <a class="code" href="a00116.html#a2">DB</a>(0,<span class="stringliteral">"Can't deactivate "</span><<oidStr<<<span class="stringliteral">": Object is not active."</span>)
<a name="l00202"></a>00202 <span class="keywordflow">return</span>;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204 <span class="keywordflow">catch</span>(POA::WrongPolicy& ex)
<a name="l00205"></a>00205 {
<a name="l00206"></a>00206 <a class="code" href="a00116.html#a2">DB</a>(0,<span class="stringliteral">"Can't deactivate "</span><<oidStr<<<span class="stringliteral">": POA '"</span><<poaName.in()
<a name="l00207"></a>00207 <<<span class="stringliteral">"' has wrong policy for deactivate_object()."</span>)
<a name="l00208"></a>00208 exit(1); <span class="comment">// Programming error - so quit.</span>
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211
<a name="l00212"></a>00212 }; <span class="comment">// end namespace OmniEvents</span>
</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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