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<h1>EventChannel.h</h1><a href="a00094.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">// EventsChannel.h 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">#ifndef OMNIEVENTS__EVENTCHANNEL_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define OMNIEVENTS__EVENTCHANNEL_H</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span>
<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_IOSTREAM</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor"># include <iostream></span>
<a name="l00033"></a>00033 <span class="preprocessor">#else</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor"># include <iostream.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 "<a class="code" href="a00136.html">Servant.h</a>"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="a00118.html">PersistNode.h</a>"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "omniEvents.hh"</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include "<a class="code" href="a00108.html">Mapper.h</a>"</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include "<a class="code" href="a00091.html">defaults.h</a>"</span>
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="preprocessor">#include <set></span>
<a name="l00044"></a>00044 <span class="preprocessor">#include <assert.h></span>
<a name="l00045"></a>00045
<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 <span class="keyword">class </span>SupplierAdmin_i;
<a name="l00053"></a>00053 <span class="keyword">class </span>ConsumerAdmin_i;
<a name="l00054"></a>00054 <span class="keyword">class </span>EventChannelStore;
<a name="l00055"></a>00055
<a name="l00111"></a><a class="code" href="a00046.html">00111</a> <span class="keyword">class </span><a class="code" href="a00046.html">EventChannel_i</a>
<a name="l00112"></a>00112 : <span class="keyword">public</span> POA_omniEvents::EventChannel,
<a name="l00113"></a>00113 <span class="keyword">public</span> <a class="code" href="a00073.html">Servant</a>,
<a name="l00114"></a>00114 <span class="keyword">public</span> omni_thread
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 <span class="keyword">public</span>: <span class="comment">// CORBA interface methods</span>
<a name="l00117"></a>00117 CosEventChannelAdmin::ConsumerAdmin_ptr <a class="code" href="a00046.html#a0">for_consumers</a>();
<a name="l00118"></a>00118 CosEventChannelAdmin::SupplierAdmin_ptr <a class="code" href="a00046.html#a1">for_suppliers</a>();
<a name="l00119"></a>00119 <span class="keywordtype">void</span> <a class="code" href="a00046.html#a2">destroy</a>();
<a name="l00121"></a><a class="code" href="a00046.html#a3">00121</a> CORBA::Boolean <a class="code" href="a00046.html#a3">is_alive</a>() { <span class="keywordflow">return</span> 1; }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keyword">public</span>:
<a name="l00124"></a>00124 <a class="code" href="a00046.html#a4">EventChannel_i</a>(<a class="code" href="a00048.html">EventChannelStore</a>* store=NULL);
<a name="l00125"></a>00125
<a name="l00127"></a>00127 <a class="code" href="a00046.html#a5">~EventChannel_i</a>();
<a name="l00128"></a>00128
<a name="l00132"></a>00132 <span class="keywordtype">void</span> <a class="code" href="a00046.html#a6">activate</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* channelName, <span class="keyword">const</span> <a class="code" href="a00060.html">PersistNode</a>* node =NULL);
<a name="l00133"></a>00133
<a name="l00135"></a><a class="code" href="a00046.html#a7">00135</a> <span class="keywordtype">void</span> <a class="code" href="a00046.html#a7">start</a>(){<a class="code" href="a00116.html#a2">DB</a>(0,<span class="stringliteral">"It is no longer necessary to call EventChannel::start()."</span>)}
<a name="l00136"></a>00136
<a name="l00141"></a>00141 <span class="keywordtype">void</span>* <a class="code" href="a00046.html#a8">run_undetached</a>(<span class="keywordtype">void</span>*);
<a name="l00142"></a>00142
<a name="l00159"></a>00159 <span class="keywordtype">void</span> <a class="code" href="a00046.html#a9">mainLoop</a>();
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="keywordtype">void</span> <a class="code" href="a00046.html#a10">_add_ref</a>();
<a name="l00162"></a>00162 <span class="keywordtype">void</span> <a class="code" href="a00046.html#a11">_remove_ref</a>();
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="keywordtype">void</span> <a class="code" href="a00046.html#a12">output</a>(ostream& os);
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="comment">//</span>
<a name="l00167"></a>00167 <span class="comment">// Accessors</span>
<a name="l00168"></a><a class="code" href="a00046.html#a13">00168</a> <a class="code" href="a00043.html">ConsumerAdmin_i</a>& <a class="code" href="a00046.html#a13">consumerAdmin</a>()<span class="keyword"> const</span>
<a name="l00169"></a>00169 <span class="keyword"> </span>{assert(<a class="code" href="a00046.html#r2">_consumerAdmin</a>!=NULL);<span class="keywordflow">return</span> *<a class="code" href="a00046.html#r2">_consumerAdmin</a>;}
<a name="l00170"></a><a class="code" href="a00046.html#a14">00170</a> <span class="keyword">const</span> <a class="code" href="a00060.html">PersistNode</a>& <a class="code" href="a00046.html#a14">properties</a>()<span class="keyword"> const</span>
<a name="l00171"></a>00171 <span class="keyword"> </span>{<span class="keywordflow">return</span> <a class="code" href="a00046.html#r5">_properties</a>;}
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="comment">//</span>
<a name="l00174"></a>00174 <span class="comment">// Values stored in _properties member.</span>
<a name="l00175"></a><a class="code" href="a00046.html#a15">00175</a> CORBA::ULong <a class="code" href="a00046.html#a15">pullRetryPeriod_ms</a>()<span class="keyword"> const</span>
<a name="l00176"></a>00176 <span class="keyword"> </span>{<span class="keywordflow">return</span> <a class="code" href="a00046.html#r5">_properties</a>.<a class="code" href="a00060.html#a12">attrLong</a>(<span class="stringliteral">"PullRetryPeriod_ms"</span>,<a class="code" href="a00091.html#a0">PULL_RETRY_PERIOD_MS</a>);}
<a name="l00177"></a><a class="code" href="a00046.html#a16">00177</a> CORBA::ULong <a class="code" href="a00046.html#a16">maxQueueLength</a>()<span class="keyword"> const</span>
<a name="l00178"></a>00178 <span class="keyword"> </span>{<span class="keywordflow">return</span> <a class="code" href="a00046.html#r5">_properties</a>.<a class="code" href="a00060.html#a12">attrLong</a>(<span class="stringliteral">"MaxQueueLength"</span>,<a class="code" href="a00091.html#a1">MAX_QUEUE_LENGTH</a>);}
<a name="l00179"></a><a class="code" href="a00046.html#a17">00179</a> CORBA::ULong <a class="code" href="a00046.html#a17">maxNumProxies</a>()<span class="keyword"> const</span>
<a name="l00180"></a>00180 <span class="keyword"> </span>{<span class="keywordflow">return</span> <a class="code" href="a00046.html#r5">_properties</a>.<a class="code" href="a00060.html#a12">attrLong</a>(<span class="stringliteral">"MaxNumProxies"</span>,<a class="code" href="a00091.html#a2">MAX_NUM_PROXIES</a>);}
<a name="l00181"></a><a class="code" href="a00046.html#a18">00181</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="a00046.html#a18">cyclePeriod_ns</a>()<span class="keyword"> const</span>
<a name="l00182"></a>00182 <span class="keyword"> </span>{<span class="keywordflow">return</span> <a class="code" href="a00046.html#r5">_properties</a>.<a class="code" href="a00060.html#a12">attrLong</a>(<span class="stringliteral">"CyclePeriod_ns"</span>,<a class="code" href="a00091.html#a3">CYCLE_PERIOD_NS</a>);}
<a name="l00183"></a>00183
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keyword">private</span>:
<a name="l00187"></a>00187 <span class="keywordtype">void</span> <a class="code" href="a00046.html#d0">setInsName</a>(<span class="keyword">const</span> string v);
<a name="l00188"></a>00188
<a name="l00193"></a>00193 <span class="keywordtype">void</span> <a class="code" href="a00046.html#d1">createPoa</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* channelName);
<a name="l00194"></a>00194
<a name="l00195"></a>00195 <span class="keyword">private</span>:
<a name="l00196"></a><a class="code" href="a00046.html#r0">00196</a> <a class="code" href="a00048.html">EventChannelStore</a>* <a class="code" href="a00046.html#r0">_eventChannelStore</a>;
<a name="l00197"></a><a class="code" href="a00046.html#r1">00197</a> <a class="code" href="a00076.html">SupplierAdmin_i</a>* <a class="code" href="a00046.html#r1">_supplierAdmin</a>;
<a name="l00198"></a><a class="code" href="a00046.html#r2">00198</a> <a class="code" href="a00043.html">ConsumerAdmin_i</a>* <a class="code" href="a00046.html#r2">_consumerAdmin</a>;
<a name="l00199"></a><a class="code" href="a00046.html#r3">00199</a> PortableServer::POAManager_var <a class="code" href="a00046.html#r3">_poaManager</a>;
<a name="l00200"></a><a class="code" href="a00046.html#r4">00200</a> <span class="keywordtype">bool</span> <a class="code" href="a00046.html#r4">_shutdownRequested</a>;
<a name="l00201"></a><a class="code" href="a00046.html#r5">00201</a> <a class="code" href="a00060.html">PersistNode</a> <a class="code" href="a00046.html#r5">_properties</a>;
<a name="l00202"></a><a class="code" href="a00046.html#r6">00202</a> <a class="code" href="a00054.html">Mapper</a>* <a class="code" href="a00046.html#r6">_mapper</a>;
<a name="l00203"></a><a class="code" href="a00046.html#r7">00203</a> omni_mutex <a class="code" href="a00046.html#r7">_lock</a>; <span class="comment">//< Protects _refCount</span>
<a name="l00204"></a><a class="code" href="a00046.html#r8">00204</a> <span class="keywordtype">int</span> <a class="code" href="a00046.html#r8">_refCount</a>;
<a name="l00205"></a>00205 };
<a name="l00206"></a>00206
<a name="l00207"></a>00207
<a name="l00209"></a><a class="code" href="a00048.html">00209</a> <span class="keyword">class </span><a class="code" href="a00048.html">EventChannelStore</a>
<a name="l00210"></a>00210 {
<a name="l00211"></a>00211 <span class="keyword">public</span>:
<a name="l00212"></a>00212 <a class="code" href="a00048.html#a0">EventChannelStore</a>();
<a name="l00213"></a>00213 <a class="code" href="a00048.html#a1">~EventChannelStore</a>();
<a name="l00214"></a>00214 <span class="keywordtype">void</span> <a class="code" href="a00048.html#a2">insert</a>(<a class="code" href="a00046.html">EventChannel_i</a>* channel);
<a name="l00215"></a>00215 <span class="keywordtype">void</span> <a class="code" href="a00048.html#a3">erase</a>(<a class="code" href="a00046.html">EventChannel_i</a>* channel);
<a name="l00216"></a>00216 <span class="keywordtype">void</span> <a class="code" href="a00048.html#a4">output</a>(ostream &os);
<a name="l00217"></a>00217 <span class="keyword">private</span>:
<a name="l00218"></a><a class="code" href="a00048.html#r0">00218</a> set<EventChannel_i*> <a class="code" href="a00048.html#r0">_channels</a>;
<a name="l00219"></a><a class="code" href="a00048.html#r1">00219</a> omni_mutex <a class="code" href="a00048.html#r1">_lock</a>;
<a name="l00220"></a>00220 };
<a name="l00221"></a>00221
<a name="l00222"></a>00222 }; <span class="comment">// end namespace OmniEvents</span>
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <span class="preprocessor">#endif // OMNIEVENTS__EVENTCHANNEL_H</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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