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<hr><h1>Servant.cc</h1><a href="a00134.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <font class="comment">// Package : omniEvents</font>
00002 <font class="comment">// Servant.cc Created : 2003/12/04</font>
00003 <font class="comment">// Author : Alex Tingle</font>
00004 <font class="comment">//</font>
00005 <font class="comment">// Copyright (C) 2003 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
00024 <font class="preprocessor">#include "<a class="code" href="a00135.html">Servant.h</a>"</font>
00025 <font class="preprocessor">#include "<a class="code" href="a00115.html">Orb.h</a>"</font>
00026
00027 <font class="preprocessor">#ifdef HAVE_SYS_TYPES_H</font>
00028 <font class="preprocessor"></font><font class="preprocessor"># include <sys/types.h></font> <font class="comment">// getpid</font>
00029 <font class="preprocessor">#endif</font>
00030 <font class="preprocessor"></font>
00031 <font class="preprocessor">#ifdef HAVE_UNISTD_H</font>
00032 <font class="preprocessor"></font><font class="preprocessor"># include <unistd.h></font> <font class="comment">// getpid</font>
00033 <font class="preprocessor">#elif defined(HAVE_PROCESS_H)</font>
00034 <font class="preprocessor"></font><font class="preprocessor"># include <process.h></font>
00035 <font class="preprocessor">#endif</font>
00036 <font class="preprocessor"></font>
00037 <font class="preprocessor">#include <stdio.h></font> <font class="comment">// sprintf</font>
00038 <font class="preprocessor">#include <assert.h></font>
00039
00040 <font class="preprocessor">#ifdef HAVE_IOSTREAM</font>
00041 <font class="preprocessor"></font><font class="preprocessor"># include <iostream></font>
00042 <font class="preprocessor">#else</font>
00043 <font class="preprocessor"></font><font class="preprocessor"># include <iostream.h></font>
00044 <font class="preprocessor">#endif</font>
00045 <font class="preprocessor"></font>
00046 <font class="preprocessor">#ifdef HAVE_STD_IOSTREAM</font>
00047 <font class="preprocessor"></font><font class="keyword">using</font> <font class="keyword">namespace </font>std;
00048 <font class="preprocessor">#endif</font>
00049 <font class="preprocessor"></font>
00050 <font class="keyword">namespace </font>OmniEvents {
00051
<a name="l00052"></a><a class="code" href="a00138.html#a9">00052</a> CORBA::Object_ptr <a class="code" href="a00138.html#a9">createReference</a>(
00053 PortableServer::POA_ptr poa, <font class="comment">// POA to own new object</font>
00054 <font class="keyword">const</font> <font class="keywordtype">char</font>* repositoryId <font class="comment">// e.g. _tc_ProxyPushSupplier->id()</font>
00055 )
00056 {
00057 CORBA::String_var oidStr =<a class="code" href="a00138.html#a10">newUniqueId</a>();
00058
00059 PortableServer::ObjectId_var oid =
00060 PortableServer::string_to_ObjectId(oidStr.in());
00061
00062 CORBA::Object_var obj =
00063 poa->create_reference_with_id(oid.in(),repositoryId);
00064
00065 assert(!CORBA::is_nil(obj));
00066 <font class="keywordflow">return</font> obj._retn();
00067 }
00068
<a name="l00069"></a><a class="code" href="a00138.html#a10">00069</a> <font class="keywordtype">char</font>* <a class="code" href="a00138.html#a10">newUniqueId</a>()
00070 {
00071 <font class="keyword">static</font> <font class="keywordtype">long</font> count=0;
00072 <font class="keyword">static</font> omni_mutex mutex;
00073 <font class="keywordtype">int</font> mypid =getpid(); <font class="comment">// MS VC++6 doesn't have type pid_t!</font>
00074 <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> sec,nsec;
00075 omni_thread::get_time(&sec,&nsec); <font class="comment">// More portable than just time().</font>
00076 <font class="keywordtype">char</font> buf[128];
00077 {
00078 omni_mutex_lock l(mutex);
00079 sprintf(buf,<font class="stringliteral">"%lx.%d.%lx"</font>,++count,mypid,sec);
00080 }
00081 <font class="keywordflow">return</font> CORBA::string_dup(buf);
00082 }
00083
00084
00085 <font class="comment">//</font>
00086 <font class="comment">// Servant</font>
00087 <font class="comment">//</font>
00088
<a name="l00089"></a><a class="code" href="a00073.html#b0">00089</a> Servant::Servant(PortableServer::POA_ptr poa)
00090 : _poa(PortableServer::POA::_duplicate(poa))
00091 {
00092 <font class="comment">// pass</font>
00093 }
00094
00095
<a name="l00096"></a><a class="code" href="a00073.html#a1">00096</a> Servant::~Servant()
00097 {
00098 <font class="comment">// pass</font>
00099 }
00100
00101
<a name="l00102"></a><a class="code" href="a00073.html#a0">00102</a> PortableServer::POA_ptr Servant::_default_POA()
00103 {
00104 <font class="keywordflow">return</font> PortableServer::POA::_duplicate(<a class="code" href="a00073.html#n0">_poa</a>.in());
00105 }
00106
00107
<a name="l00108"></a><a class="code" href="a00073.html#b1">00108</a> <font class="keywordtype">void</font> Servant::activateObjectWithId(<font class="keyword">const</font> <font class="keywordtype">char</font>* oidStr)
00109 {
00110 <font class="keyword">using</font> <font class="keyword">namespace </font>PortableServer;
00111 CORBA::String_var poaName =<a class="code" href="a00073.html#n0">_poa</a>->the_name();
00112 <a class="code" href="a00115.html#a2">DB</a>(5,<font class="stringliteral">"Activating object "</font><<poaName.in()<<<font class="stringliteral">"/"</font><<oidStr);
00113 <font class="keywordflow">try</font>
00114 {
00115 ObjectId_var oid =string_to_ObjectId(oidStr);
00116 <a class="code" href="a00073.html#n0">_poa</a>->activate_object_with_id(oid.in(),<font class="keyword">this</font>);
00117 }
00118 <font class="keywordflow">catch</font>(CORBA::BAD_PARAM& ex)
00119 {
00120 <a class="code" href="a00115.html#a2">DB</a>(0,<font class="stringliteral">"Can't activate "</font><<oidStr<<<font class="stringliteral">": "</font>
00121 <font class="stringliteral">"BAD_PARAM"</font> <a class="code" href="a00115.html#a1">IF_OMNIORB4</a>(<font class="stringliteral">" ("</font><<<a class="code" href="a00115.html#a3">NP_MINORSTRING</a>(ex)<<<font class="stringliteral">")"</font>) )
00122 <font class="keywordflow">throw</font>;
00123 }
00124 <font class="keywordflow">catch</font>(POA::ServantAlreadyActive& ex)
00125 {
00126 <a class="code" href="a00115.html#a2">DB</a>(0,<font class="stringliteral">"Can't activate "</font><<oidStr<<<font class="stringliteral">": Servant is already active."</font>)
00127 <font class="keywordflow">throw</font>;
00128 }
00129 <font class="keywordflow">catch</font>(POA::ObjectAlreadyActive& ex)
00130 {
00131 <a class="code" href="a00115.html#a2">DB</a>(0,<font class="stringliteral">"Can't activate "</font><<oidStr<<<font class="stringliteral">": Object is already active."</font>)
00132 <font class="keywordflow">throw</font>;
00133 }
00134 <font class="keywordflow">catch</font>(POA::WrongPolicy& ex)
00135 {
00136 <a class="code" href="a00115.html#a2">DB</a>(0,<font class="stringliteral">"Can't activate "</font><<oidStr<<<font class="stringliteral">": POA '"</font><<poaName.in()
00137 <<<font class="stringliteral">"' has wrong policy for activate_object_with_id()."</font>)
00138 exit(1); <font class="comment">// Programming error - so quit.</font>
00139 }
00140 }
00141
00142
<a name="l00143"></a><a class="code" href="a00073.html#b2">00143</a> <font class="keywordtype">void</font> Servant::deactivateObject()
00144 {
00145 <font class="keyword">using</font> <font class="keyword">namespace </font>PortableServer;
00146 CORBA::String_var poaName =<a class="code" href="a00073.html#n0">_poa</a>->the_name();
00147
00148 ObjectId_var oid;
00149 <font class="keywordflow">try</font>
00150 {
00151 oid=<a class="code" href="a00073.html#n0">_poa</a>->servant_to_id(<font class="keyword">this</font>);
00152 }
00153 <font class="keywordflow">catch</font>(POA::ServantNotActive& ex)
00154 {
00155 <a class="code" href="a00115.html#a2">DB</a>(0,<font class="stringliteral">"Can't deactivate servant: POA '"</font><<poaName.in()
00156 <<<font class="stringliteral">"' says it is not active."</font>)
00157 }
00158 <font class="keywordflow">catch</font>(POA::WrongPolicy& ex)
00159 {
00160 <a class="code" href="a00115.html#a2">DB</a>(0,<font class="stringliteral">"Can't deactivate servant: POA '"</font><<poaName.in()
00161 <<<font class="stringliteral">"' has wrong policy for servant_to_id()."</font>)
00162 exit(1); <font class="comment">// Programming error - so quit.</font>
00163 }
00164
00165 CORBA::String_var oidStr;
00166 <font class="keywordflow">try</font>
00167 {
00168 oidStr=ObjectId_to_string(oid.in());
00169 }
00170 <font class="keywordflow">catch</font>(CORBA::BAD_PARAM& ex)
00171 {
00172 <a class="code" href="a00115.html#a2">DB</a>(0,<font class="stringliteral">"Can't deactivate servant. ObjectId looks bad: "</font>
00173 <font class="stringliteral">"BAD_PARAM"</font> <a class="code" href="a00115.html#a1">IF_OMNIORB4</a>(<font class="stringliteral">" ("</font><<<a class="code" href="a00115.html#a3">NP_MINORSTRING</a>(ex)<<<font class="stringliteral">")"</font>) )
00174 }
00175
00176 <font class="keywordflow">try</font>
00177 {
00178 <a class="code" href="a00115.html#a2">DB</a>(7,<font class="stringliteral">"Deactivating object "</font><<poaName<<<font class="stringliteral">"/"</font><<oidStr.in());
00179 <a class="code" href="a00073.html#n0">_poa</a>->deactivate_object(oid.in());
00180 }
00181 <font class="keywordflow">catch</font>(POA::ObjectNotActive& ex)
00182 {
00183 <a class="code" href="a00115.html#a2">DB</a>(0,<font class="stringliteral">"Can't deactivate "</font><<oidStr<<<font class="stringliteral">": Object is not active."</font>)
00184 }
00185 <font class="keywordflow">catch</font>(POA::WrongPolicy& ex)
00186 {
00187 <a class="code" href="a00115.html#a2">DB</a>(0,<font class="stringliteral">"Can't deactivate "</font><<oidStr<<<font class="stringliteral">": POA '"</font><<poaName.in()
00188 <<<font class="stringliteral">"' has wrong policy for deactivate_object()."</font>)
00189 exit(1); <font class="comment">// Programming error - so quit.</font>
00190 }
00191 }
00192
00193 }; <font class="comment">// end namespace OmniEvents</font>
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