<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>rlog: RLogNode.h Source File</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.4.3 --> <div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="pages.html">Related Pages</a></div> <div class="nav"> <a class="el" href="dir_000003.html">_darcs</a> » <a class="el" href="dir_000004.html">current</a> » <a class="el" href="dir_000005.html">rlog</a></div> <h1>_darcs/current/rlog/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>00047 <span class="keyword">struct </span>RLOG_DECL RLogData <a name="l00048"></a>00048 { <a name="l00049"></a>00049 <span class="keyword">struct </span>PublishLoc *publisher; <a name="l00051"></a>00051 time_t time; <a name="l00053"></a><a class="code" href="structrlog_1_1RLogData.html#o2">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>00062 <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 RLogNode(); <a name="l00066"></a>00066 <span class="keyword">virtual</span> ~RLogNode(); <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> clear(); <a name="l00070"></a>00070 <a name="l00071"></a>00071 <span class="keyword">virtual</span> <span class="keywordtype">void</span> publish( <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> addPublisher( RLogNode * ); <a name="l00075"></a>00075 <span class="keyword">virtual</span> <span class="keywordtype">void</span> dropPublisher( 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> enabled() <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> addSubscriber( RLogNode * ); <a name="l00081"></a>00081 <span class="keyword">virtual</span> <span class="keywordtype">void</span> dropSubscriber( RLogNode * ); <a name="l00082"></a>00082 <a name="l00083"></a>00083 <span class="keyword">virtual</span> <span class="keywordtype">void</span> isInterested( RLogNode *node, <span class="keywordtype">bool</span> isInterested ); <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> setEnabled(<span class="keywordtype">bool</span> newState); <a name="l00088"></a>00088 <a name="l00090"></a>00090 std::list< RLogNode * > publishers; <a name="l00091"></a>00091 <a name="l00093"></a>00093 std::list< RLogNode * > subscribers; <a name="l00094"></a>00094 <a name="l00096"></a>00096 std::list< RLogNode * > interestList; <a name="l00097"></a>00097 <a name="l00098"></a>00098 Mutex 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> </pre></div><hr size="1"><address style="align: right;"><small>Generated on Wed Oct 5 11:13:40 2005 for rlog by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.3 </small></address> </body> </html>