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<h1>RLogNode.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * Author: Valient Gough <vgough@pobox.com></span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> *****************************************************************************</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (c) 2003, Valient Gough</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * This library is free software; you can distribute it and/or modify it under</span>
<a name="l00008"></a>00008 <span class="comment"> * the terms of the GNU Lesser General Public License (LGPL), as published by</span>
<a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 2.1 of the License, or (at your</span>
<a name="l00010"></a>00010 <span class="comment"> * option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * This library is distributed in the hope that it will be useful, but WITHOUT</span>
<a name="l00013"></a>00013 <span class="comment"> * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span>
<a name="l00014"></a>00014 <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE. See the LGPL in the file COPYING for more</span>
<a name="l00015"></a>00015 <span class="comment"> * details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> */</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#ifndef _RLogNode_incl_</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define _RLogNode_incl_</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <list></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <set></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <time.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <string></span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#include <rlog/common.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <rlog/Mutex.h></span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="keyword">namespace </span>rlog
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033 <span class="keyword">class </span>RLOG_DECL RLogNode;
<a name="l00034"></a>00034
<a name="l00047"></a><a class="code" href="structrlog_1_1RLogData.html">00047</a> <span class="keyword">struct </span>RLOG_DECL RLogData
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 <span class="keyword">struct </span><a class="code" href="structrlog_1_1PublishLoc.html">PublishLoc</a> *publisher;
<a name="l00051"></a><a class="code" href="structrlog_1_1RLogData.html#4b0ea7336b589bb37881aaee1de8e88a">00051</a> time_t time;
<a name="l00053"></a><a class="code" href="structrlog_1_1RLogData.html#d88be1ec9e66fe60210c7731c949ddd2">00053</a> <span class="keyword">const</span> <span class="keywordtype">char</span> *msg;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">// track which nodes have seen this message, to avoid getting</span>
<a name="l00056"></a>00056 <span class="comment">// duplicates. It would be nice if we could enforce this via the node</span>
<a name="l00057"></a>00057 <span class="comment">// structure instead, but that is much harder.</span>
<a name="l00058"></a>00058 std::set< RLogNode * > seen;
<a name="l00059"></a>00059 };
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="comment">// documentation in implementation file</span>
<a name="l00062"></a><a class="code" href="classrlog_1_1RLogNode.html">00062</a> <span class="keyword">class </span>RLogNode
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <span class="keyword">public</span>:
<a name="l00065"></a>00065 <a class="code" href="classrlog_1_1RLogNode.html#722e53a46692954a27efd348672e4b0a">RLogNode</a>();
<a name="l00066"></a>00066 <span class="keyword">virtual</span> <a class="code" href="classrlog_1_1RLogNode.html#1458dfcb93892d1ef591e10439c24e68">~RLogNode</a>();
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="comment">// remove this node from the subscription network</span>
<a name="l00069"></a>00069 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classrlog_1_1RLogNode.html#515553ff72299cc7cbc1d91f015d713e">clear</a>();
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classrlog_1_1RLogNode.html#798da2f13a0d98a48c8ba454ca460b88">publish</a>( <span class="keyword">const</span> RLogData &data );
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="comment">// primary interface</span>
<a name="l00074"></a>00074 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classrlog_1_1RLogNode.html#be5614bb3ba7e44011ac7481ca269f4c">addPublisher</a>( RLogNode * );
<a name="l00075"></a>00075 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classrlog_1_1RLogNode.html#593ea69a6db72f218f63aedc97f55a8c">dropPublisher</a>( RLogNode *, <span class="keywordtype">bool</span> callbacks=<span class="keyword">true</span> );
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordtype">bool</span> <a class="code" href="classrlog_1_1RLogNode.html#8b0a5c1e96ccfda89f42394594acc04b">enabled</a>() <span class="keyword">const</span>;
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="comment">// used internally - see documentation</span>
<a name="l00080"></a>00080 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classrlog_1_1RLogNode.html#028e1afe72b105dbeef49e6f2489979e">addSubscriber</a>( RLogNode * );
<a name="l00081"></a>00081 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classrlog_1_1RLogNode.html#9aaca53c6b92ce090baa8f7a9e9196fa">dropSubscriber</a>( RLogNode * );
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classrlog_1_1RLogNode.html#0666eb2417ed152d59fb8144c1990793">isInterested</a>( RLogNode *node, <span class="keywordtype">bool</span> <a class="code" href="classrlog_1_1RLogNode.html#0666eb2417ed152d59fb8144c1990793">isInterested</a> );
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="keyword">protected</span>:
<a name="l00086"></a>00086 <span class="comment">// called by RLogNode when enable state changed.</span>
<a name="l00087"></a>00087 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classrlog_1_1RLogNode.html#356356b9eb9f668a5d7326cc10518f55">setEnabled</a>(<span class="keywordtype">bool</span> newState);
<a name="l00088"></a>00088
<a name="l00090"></a><a class="code" href="classrlog_1_1RLogNode.html#a5490712a73a5bc73bf510dd78e45338">00090</a> std::list< RLogNode * > <a class="code" href="classrlog_1_1RLogNode.html#a5490712a73a5bc73bf510dd78e45338">publishers</a>;
<a name="l00091"></a>00091
<a name="l00093"></a><a class="code" href="classrlog_1_1RLogNode.html#8d9bac7da03bb38254409a32f9adee1d">00093</a> std::list< RLogNode * > <a class="code" href="classrlog_1_1RLogNode.html#8d9bac7da03bb38254409a32f9adee1d">subscribers</a>;
<a name="l00094"></a>00094
<a name="l00096"></a><a class="code" href="classrlog_1_1RLogNode.html#72715972dd641d3ddafd99041185aee5">00096</a> std::list< RLogNode * > <a class="code" href="classrlog_1_1RLogNode.html#72715972dd641d3ddafd99041185aee5">interestList</a>;
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <a class="code" href="classrlog_1_1Mutex.html">Mutex</a> mutex;
<a name="l00099"></a>00099 };
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="preprocessor">#endif</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span>
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