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Sophie

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player-doc-3.0.2-5.fc14.noarch.rpm

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<h1>message.h</h1>  </div>
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<div class="contents">
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> *  Player - One Hell of a Robot Server</span>
<a name="l00003"></a>00003 <span class="comment"> *  Copyright (C) 2000</span>
<a name="l00004"></a>00004 <span class="comment"> *     Brian Gerkey, Kasper Stoy, Richard Vaughan, &amp; Andrew Howard</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> *  This program is free software; you can redistribute it and/or modify</span>
<a name="l00008"></a>00008 <span class="comment"> *  it under the terms of the GNU General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment"> *  the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00010"></a>00010 <span class="comment"> *  (at your option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> *  This program is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> *  but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00015"></a>00015 <span class="comment"> *  GNU General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> *  You should have received a copy of the GNU General Public License</span>
<a name="l00018"></a>00018 <span class="comment"> *  along with this program; if not, write to the Free Software</span>
<a name="l00019"></a>00019 <span class="comment"> *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA</span>
<a name="l00020"></a>00020 <span class="comment"> *</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022 <span class="comment">/********************************************************************</span>
<a name="l00023"></a>00023 <span class="comment"> *</span>
<a name="l00024"></a>00024 <span class="comment"> *  This library is free software; you can redistribute it and/or</span>
<a name="l00025"></a>00025 <span class="comment"> *  modify it under the terms of the GNU Lesser General Public</span>
<a name="l00026"></a>00026 <span class="comment"> *  License as published by the Free Software Foundation; either</span>
<a name="l00027"></a>00027 <span class="comment"> *  version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00028"></a>00028 <span class="comment"> *</span>
<a name="l00029"></a>00029 <span class="comment"> *  This library is distributed in the hope that it will be useful,</span>
<a name="l00030"></a>00030 <span class="comment"> *  but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00031"></a>00031 <span class="comment"> *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
<a name="l00032"></a>00032 <span class="comment"> *  Lesser General Public License for more details.</span>
<a name="l00033"></a>00033 <span class="comment"> *</span>
<a name="l00034"></a>00034 <span class="comment"> *  You should have received a copy of the GNU Lesser General Public</span>
<a name="l00035"></a>00035 <span class="comment"> *  License along with this library; if not, write to the Free Software</span>
<a name="l00036"></a>00036 <span class="comment"> *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA</span>
<a name="l00037"></a>00037 <span class="comment"> *</span>
<a name="l00038"></a>00038 <span class="comment"> ********************************************************************/</span>
<a name="l00039"></a>00039 
<a name="l00040"></a>00040 <span class="comment">/*</span>
<a name="l00041"></a>00041 <span class="comment"> * Desc: Message class and message queues</span>
<a name="l00042"></a>00042 <span class="comment"> * CVS:  $Id: message.h 8004 2009-07-13 14:03:44Z thjc $</span>
<a name="l00043"></a>00043 <span class="comment"> * Author: Toby Collett - Jan 2005</span>
<a name="l00044"></a>00044 <span class="comment"> */</span>
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 <span class="preprocessor">#ifndef MESSAGE_H</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#define MESSAGE_H</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span>
<a name="l00049"></a>00049 <span class="preprocessor">#if defined (WIN32)</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor">  #if defined (PLAYER_STATIC)</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor">    #define PLAYERCORE_EXPORT</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span><span class="preprocessor">  #elif defined (playercore_EXPORTS)</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span><span class="preprocessor">    #define PLAYERCORE_EXPORT    __declspec (dllexport)</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span><span class="preprocessor">  #else</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span><span class="preprocessor">    #define PLAYERCORE_EXPORT    __declspec (dllimport)</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor">  #endif</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span><span class="preprocessor">  #define PLAYERCORE_EXPORT</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span>
<a name="l00061"></a>00061 <span class="preprocessor">#include &lt;pthread.h&gt;</span>
<a name="l00062"></a>00062 
<a name="l00063"></a>00063 <span class="preprocessor">#include &lt;libplayerinterface/player.h&gt;</span>
<a name="l00064"></a>00064 
<a name="l00065"></a>00065 <span class="keyword">class </span><a class="code" href="classMessageQueue.html" title="A doubly-linked queue of messages.">MessageQueue</a>;
<a name="l00066"></a>00066 
<a name="l00073"></a><a class="code" href="classQueuePointer.html">00073</a> <span class="keyword">class </span>PLAYERCORE_EXPORT <a class="code" href="classQueuePointer.html" title="An autopointer for the message queue.">QueuePointer</a>
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075   <span class="keyword">public</span>:
<a name="l00077"></a>00077     <a class="code" href="classQueuePointer.html" title="An autopointer for the message queue.">QueuePointer</a>();
<a name="l00079"></a>00079     <a class="code" href="classQueuePointer.html" title="An autopointer for the message queue.">QueuePointer</a>(<span class="keywordtype">bool</span> _Replace, <span class="keywordtype">size_t</span> _Maxlen);
<a name="l00081"></a>00081         ~<a class="code" href="classQueuePointer.html" title="An autopointer for the message queue.">QueuePointer</a>();
<a name="l00083"></a>00083         <a class="code" href="classQueuePointer.html" title="An autopointer for the message queue.">QueuePointer</a>(<span class="keyword">const</span> <a class="code" href="classQueuePointer.html" title="An autopointer for the message queue.">QueuePointer</a> &amp; CopyFrom);
<a name="l00084"></a>00084         
<a name="l00086"></a>00086         <a class="code" href="classQueuePointer.html" title="An autopointer for the message queue.">QueuePointer</a> &amp; operator = (<span class="keyword">const</span> <a class="code" href="classQueuePointer.html" title="An autopointer for the message queue.">QueuePointer</a> &amp; rhs);
<a name="l00088"></a>00088         <a class="code" href="classMessageQueue.html" title="A doubly-linked queue of messages.">MessageQueue</a> * operator -&gt; ();
<a name="l00090"></a>00090         <a class="code" href="classMessageQueue.html" title="A doubly-linked queue of messages.">MessageQueue</a> * <span class="keyword">get</span>() <span class="keyword">const</span>;
<a name="l00092"></a>00092         <a class="code" href="classMessageQueue.html" title="A doubly-linked queue of messages.">MessageQueue</a> &amp; operator * ();
<a name="l00094"></a>00094         <span class="keywordtype">bool</span> operator == (<span class="keyword">const</span> <a class="code" href="classQueuePointer.html" title="An autopointer for the message queue.">QueuePointer</a> &amp; rhs);
<a name="l00096"></a>00096         <span class="keywordtype">bool</span> operator == (<span class="keywordtype">void</span> * pointer);
<a name="l00098"></a>00098         <span class="keywordtype">bool</span> operator != (<span class="keyword">const</span> <a class="code" href="classQueuePointer.html" title="An autopointer for the message queue.">QueuePointer</a> &amp; rhs);
<a name="l00100"></a>00100         <span class="keywordtype">bool</span> operator != (<span class="keywordtype">void</span> * pointer);
<a name="l00101"></a>00101         
<a name="l00102"></a>00102   <span class="keyword">private</span>:
<a name="l00104"></a>00104     <span class="keywordtype">void</span> DecRef();
<a name="l00105"></a>00105 
<a name="l00107"></a><a class="code" href="classQueuePointer.html#a39d01b30999959c773b2fc2e6da38b53">00107</a>     <a class="code" href="classMessageQueue.html" title="A doubly-linked queue of messages.">MessageQueue</a> * Queue;
<a name="l00108"></a>00108 
<a name="l00110"></a><a class="code" href="classQueuePointer.html#af709d845716d474503d0bbf564a97ca3">00110</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> * RefCount;
<a name="l00111"></a>00111 
<a name="l00113"></a><a class="code" href="classQueuePointer.html#abf724f2525c002316ee6374d25c7f81f">00113</a>     pthread_mutex_t * Lock;
<a name="l00114"></a>00114 };
<a name="l00115"></a>00115 
<a name="l00116"></a>00116 
<a name="l00117"></a>00117 
<a name="l00132"></a><a class="code" href="classMessage.html">00132</a> <span class="keyword">class </span>PLAYERCORE_EXPORT <a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a>
<a name="l00133"></a>00133 {
<a name="l00134"></a>00134   <span class="keyword">public</span>:
<a name="l00137"></a>00137     <a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a>(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structplayer__msghdr.html" title="Generic message header.">player_msghdr</a> &amp; Header,
<a name="l00138"></a>00138             <span class="keywordtype">void</span>* data,
<a name="l00139"></a>00139             <span class="keywordtype">bool</span> copy = <span class="keyword">true</span>);
<a name="l00140"></a>00140 
<a name="l00143"></a>00143     <a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a>(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structplayer__msghdr.html" title="Generic message header.">player_msghdr</a> &amp; Header,
<a name="l00144"></a>00144             <span class="keywordtype">void</span>* data,
<a name="l00145"></a>00145             <a class="code" href="classQueuePointer.html" title="An autopointer for the message queue.">QueuePointer</a> &amp;_queue,
<a name="l00146"></a>00146             <span class="keywordtype">bool</span> copy = <span class="keyword">true</span>);
<a name="l00147"></a>00147 
<a name="l00149"></a>00149     <a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a>(<span class="keyword">const</span> <a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a> &amp; rhs);
<a name="l00150"></a>00150 
<a name="l00152"></a>00152     ~<a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a>();
<a name="l00153"></a>00153 
<a name="l00159"></a><a class="code" href="classMessage.html#a5fd1734509a7520a64186c2653207751">00159</a>     <span class="keyword">static</span> <span class="keywordtype">bool</span> MatchMessage(<a class="code" href="structplayer__msghdr.html" title="Generic message header.">player_msghdr_t</a>* hdr,
<a name="l00160"></a>00160                              <span class="keywordtype">int</span> type,
<a name="l00161"></a>00161                              <span class="keywordtype">int</span> subtype,
<a name="l00162"></a>00162                              <a class="code" href="structplayer__devaddr.html" title="A device address.">player_devaddr_t</a> addr)
<a name="l00163"></a>00163     {
<a name="l00164"></a>00164       <span class="keywordflow">return</span>(((type &lt; 0) || (hdr-&gt;<a class="code" href="structplayer__msghdr.html#a1c20e2f82ad8f6164f7cf31d940255fb" title="Message type; must be one of PLAYER_MSGTYPE_*.">type</a> == (uint8_t)type)) &amp;&amp;
<a name="l00165"></a>00165              ((subtype &lt; 0) || (hdr-&gt;<a class="code" href="structplayer__msghdr.html#aeba88246e5ba9d3d6c1f2b60c329352b" title="Message subtype; interface specific.">subtype</a> == (uint8_t)subtype)) &amp;&amp;
<a name="l00166"></a>00166              (hdr-&gt;<a class="code" href="structplayer__msghdr.html#aefb4cbdabb4aa6cb01fd56ba7b2aeafb" title="Device to which this message pertains.">addr</a>.<a class="code" href="structplayer__devaddr.html#a7514f8e66c9532d235cc4258a7102af5" title="The &amp;quot;host&amp;quot; on which the device resides.">host</a> == addr.<a class="code" href="structplayer__devaddr.html#a7514f8e66c9532d235cc4258a7102af5" title="The &amp;quot;host&amp;quot; on which the device resides.">host</a>) &amp;&amp;
<a name="l00167"></a>00167              (hdr-&gt;<a class="code" href="structplayer__msghdr.html#aefb4cbdabb4aa6cb01fd56ba7b2aeafb" title="Device to which this message pertains.">addr</a>.<a class="code" href="structplayer__devaddr.html#a5bfc4826407c3a01f4ae884ffcef00c7" title="The &amp;quot;robot&amp;quot; or device collection in which the device resides.">robot</a> == addr.<a class="code" href="structplayer__devaddr.html#a5bfc4826407c3a01f4ae884ffcef00c7" title="The &amp;quot;robot&amp;quot; or device collection in which the device resides.">robot</a>) &amp;&amp;
<a name="l00168"></a>00168              (hdr-&gt;<a class="code" href="structplayer__msghdr.html#aefb4cbdabb4aa6cb01fd56ba7b2aeafb" title="Device to which this message pertains.">addr</a>.<a class="code" href="structplayer__devaddr.html#ac6a1d9efc69d7dee301aba2ef4b5948d" title="The interface provided by the device; must be one of PLAYER_*_CODE.">interf</a> == addr.<a class="code" href="structplayer__devaddr.html#ac6a1d9efc69d7dee301aba2ef4b5948d" title="The interface provided by the device; must be one of PLAYER_*_CODE.">interf</a>) &amp;&amp;
<a name="l00169"></a>00169              (hdr-&gt;<a class="code" href="structplayer__msghdr.html#aefb4cbdabb4aa6cb01fd56ba7b2aeafb" title="Device to which this message pertains.">addr</a>.<a class="code" href="structplayer__devaddr.html#a2814dc42b4162c8451876312fc85f0a8" title="Which device of that interface.">index</a> == addr.<a class="code" href="structplayer__devaddr.html#a2814dc42b4162c8451876312fc85f0a8" title="Which device of that interface.">index</a>));
<a name="l00170"></a>00170     }
<a name="l00171"></a>00171 
<a name="l00177"></a><a class="code" href="classMessage.html#ac3af22b7bba221b52c2dbafb2cb617dd">00177</a>     <span class="keyword">static</span> <span class="keywordtype">bool</span> MatchMessage(<a class="code" href="structplayer__msghdr.html" title="Generic message header.">player_msghdr_t</a>* hdr,
<a name="l00178"></a>00178                              <span class="keywordtype">int</span> type,
<a name="l00179"></a>00179                              <span class="keywordtype">int</span> subtype)
<a name="l00180"></a>00180     {
<a name="l00181"></a>00181       <span class="keywordflow">return</span>(((type &lt; 0) || (hdr-&gt;<a class="code" href="structplayer__msghdr.html#a1c20e2f82ad8f6164f7cf31d940255fb" title="Message type; must be one of PLAYER_MSGTYPE_*.">type</a> == (uint8_t)type)) &amp;&amp;
<a name="l00182"></a>00182              ((subtype &lt; 0) || (hdr-&gt;<a class="code" href="structplayer__msghdr.html#aeba88246e5ba9d3d6c1f2b60c329352b" title="Message subtype; interface specific.">subtype</a> == (uint8_t)subtype)));
<a name="l00183"></a>00183     }    
<a name="l00184"></a>00184     
<a name="l00186"></a><a class="code" href="classMessage.html#a657c46003857b54271a84c414eba5500">00186</a>     <a class="code" href="structplayer__msghdr.html" title="Generic message header.">player_msghdr_t</a> * <a class="code" href="classMessage.html#a657c46003857b54271a84c414eba5500" title="Get pointer to header.">GetHeader</a>() {<span class="keywordflow">return</span> &amp;Header;};
<a name="l00188"></a><a class="code" href="classMessage.html#ae8f055a9308a86946a8a281599d3e2f0">00188</a>     <span class="keywordtype">void</span>* <a class="code" href="classMessage.html#ae8f055a9308a86946a8a281599d3e2f0" title="Get pointer to payload.">GetPayload</a>() {<span class="keywordflow">return</span> (<span class="keywordtype">void</span>*)Data;};
<a name="l00190"></a><a class="code" href="classMessage.html#a2f855967b8363918119bdbf5d2eb0a49">00190</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classMessage.html#a2f855967b8363918119bdbf5d2eb0a49" title="Size of message data.">GetDataSize</a>() {<span class="keywordflow">return</span> Header.<a class="code" href="structplayer__msghdr.html#a27ef3166ee2eacc5e694e5a20f6fe5b6" title="Size in bytes of the payload to follow.">size</a>;};
<a name="l00192"></a>00192     <span class="keywordtype">bool</span> Compare(<a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a> &amp;other);
<a name="l00194"></a>00194     <span class="keywordtype">void</span> DecRef();
<a name="l00195"></a>00195 
<a name="l00197"></a><a class="code" href="classMessage.html#a2865801b0cc762b21af76f5c39b3824a">00197</a>     <a class="code" href="classQueuePointer.html" title="An autopointer for the message queue.">QueuePointer</a> Queue;
<a name="l00198"></a>00198 
<a name="l00200"></a><a class="code" href="classMessage.html#af8bcd20674be9b09f4ab73187dd418cc">00200</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> * RefCount;
<a name="l00201"></a>00201 
<a name="l00202"></a>00202   <span class="keyword">private</span>:
<a name="l00203"></a>00203     <span class="keywordtype">void</span> CreateMessage(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structplayer__msghdr.html" title="Generic message header.">player_msghdr</a> &amp; Header,
<a name="l00204"></a>00204             <span class="keywordtype">void</span>* data,
<a name="l00205"></a>00205             <span class="keywordtype">bool</span> copy = <span class="keyword">true</span>);
<a name="l00206"></a>00206           
<a name="l00208"></a><a class="code" href="classMessage.html#a92bf92d94e3afea26e791a6fe5e394ef">00208</a>     <a class="code" href="structplayer__msghdr.html" title="Generic message header.">player_msghdr_t</a> Header;
<a name="l00210"></a><a class="code" href="classMessage.html#a8363310ff515fc2fe74fa58019cc3d7f">00210</a>     uint8_t * Data;
<a name="l00212"></a><a class="code" href="classMessage.html#ad4d3e0ba54202520c6f441c3384f9054">00212</a>     pthread_mutex_t * Lock;
<a name="l00213"></a>00213 };
<a name="l00214"></a>00214 
<a name="l00218"></a><a class="code" href="classMessageQueueElement.html">00218</a> <span class="keyword">class </span>PLAYERCORE_EXPORT <a class="code" href="classMessageQueueElement.html" title="This class is a helper for maintaining doubly-linked queues of Messages.">MessageQueueElement</a>
<a name="l00219"></a>00219 {
<a name="l00220"></a>00220   <span class="keyword">public</span>:
<a name="l00222"></a>00222     <a class="code" href="classMessageQueueElement.html" title="This class is a helper for maintaining doubly-linked queues of Messages.">MessageQueueElement</a>();
<a name="l00224"></a>00224     ~<a class="code" href="classMessageQueueElement.html" title="This class is a helper for maintaining doubly-linked queues of Messages.">MessageQueueElement</a>();
<a name="l00225"></a>00225 
<a name="l00227"></a><a class="code" href="classMessageQueueElement.html#a0369e614acead970005c97dd9ba2f5b8">00227</a>     <a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a>* msg;
<a name="l00228"></a>00228   <span class="keyword">private</span>:
<a name="l00230"></a><a class="code" href="classMessageQueueElement.html#a67f66f3e3c37fd950cce7eddc09478fe">00230</a>     <a class="code" href="classMessageQueueElement.html" title="This class is a helper for maintaining doubly-linked queues of Messages.">MessageQueueElement</a> * prev;
<a name="l00232"></a><a class="code" href="classMessageQueueElement.html#a403493de1cc8a8615c00379d221992c1">00232</a>     <a class="code" href="classMessageQueueElement.html" title="This class is a helper for maintaining doubly-linked queues of Messages.">MessageQueueElement</a> * next;
<a name="l00233"></a>00233 
<a name="l00234"></a>00234     <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classMessageQueue.html" title="A doubly-linked queue of messages.">MessageQueue</a>;
<a name="l00235"></a>00235 };
<a name="l00236"></a>00236 
<a name="l00243"></a><a class="code" href="classMessageReplaceRule.html">00243</a> <span class="keyword">class </span>PLAYERCORE_EXPORT <a class="code" href="classMessageReplaceRule.html" title="We keep a singly-linked list of (addr,type,subtype,replace) tuples.">MessageReplaceRule</a>
<a name="l00244"></a>00244 {
<a name="l00245"></a>00245   <span class="keyword">private</span>:
<a name="l00246"></a>00246     <span class="comment">// The address to match (not using a player_devaddr_t so that we can</span>
<a name="l00247"></a>00247     <span class="comment">// use -1 to indicate don&#39;t care)</span>
<a name="l00248"></a>00248     <span class="keywordtype">int</span> host, robot, interf, index;
<a name="l00249"></a>00249     <span class="comment">// The type and subtype to match (-1 is don&#39;t care)</span>
<a name="l00250"></a>00250     <span class="keywordtype">int</span> type, subtype;
<a name="l00251"></a>00251   <span class="keyword">public</span>:
<a name="l00252"></a>00252     <a class="code" href="classMessageReplaceRule.html" title="We keep a singly-linked list of (addr,type,subtype,replace) tuples.">MessageReplaceRule</a>(<span class="keywordtype">int</span> _host, <span class="keywordtype">int</span> _robot, <span class="keywordtype">int</span> _interf, <span class="keywordtype">int</span> _index,
<a name="l00253"></a>00253                        <span class="keywordtype">int</span> _type, <span class="keywordtype">int</span> _subtype, <span class="keywordtype">int</span> _replace) :
<a name="l00254"></a>00254             host(_host), robot(_robot), interf(_interf), index(_index),
<a name="l00255"></a>00255             type(_type), subtype(_subtype), replace(_replace), next(NULL) {}
<a name="l00256"></a>00256 
<a name="l00257"></a>00257     <span class="keywordtype">bool</span> Match(<a class="code" href="structplayer__msghdr.html" title="Generic message header.">player_msghdr_t</a>* hdr)
<a name="l00258"></a>00258     {
<a name="l00259"></a>00259       <span class="keywordflow">return</span>(((this-&gt;host &lt; 0) ||
<a name="l00260"></a>00260               ((uint32_t)this-&gt;host == hdr-&gt;<a class="code" href="structplayer__msghdr.html#aefb4cbdabb4aa6cb01fd56ba7b2aeafb" title="Device to which this message pertains.">addr</a>.<a class="code" href="structplayer__devaddr.html#a7514f8e66c9532d235cc4258a7102af5" title="The &amp;quot;host&amp;quot; on which the device resides.">host</a>)) &amp;&amp;
<a name="l00261"></a>00261              ((this-&gt;robot &lt; 0) ||
<a name="l00262"></a>00262               ((uint32_t)this-&gt;robot == hdr-&gt;<a class="code" href="structplayer__msghdr.html#aefb4cbdabb4aa6cb01fd56ba7b2aeafb" title="Device to which this message pertains.">addr</a>.<a class="code" href="structplayer__devaddr.html#a5bfc4826407c3a01f4ae884ffcef00c7" title="The &amp;quot;robot&amp;quot; or device collection in which the device resides.">robot</a>)) &amp;&amp;
<a name="l00263"></a>00263              ((this-&gt;interf &lt; 0) ||
<a name="l00264"></a>00264               ((uint16_t)this-&gt;interf == hdr-&gt;<a class="code" href="structplayer__msghdr.html#aefb4cbdabb4aa6cb01fd56ba7b2aeafb" title="Device to which this message pertains.">addr</a>.<a class="code" href="structplayer__devaddr.html#ac6a1d9efc69d7dee301aba2ef4b5948d" title="The interface provided by the device; must be one of PLAYER_*_CODE.">interf</a>)) &amp;&amp;
<a name="l00265"></a>00265              ((this-&gt;index &lt; 0) ||
<a name="l00266"></a>00266               ((uint16_t)this-&gt;index == hdr-&gt;<a class="code" href="structplayer__msghdr.html#aefb4cbdabb4aa6cb01fd56ba7b2aeafb" title="Device to which this message pertains.">addr</a>.<a class="code" href="structplayer__devaddr.html#a2814dc42b4162c8451876312fc85f0a8" title="Which device of that interface.">index</a>)) &amp;&amp;
<a name="l00267"></a>00267              ((this-&gt;type &lt; 0) ||
<a name="l00268"></a>00268               ((uint8_t)this-&gt;type == hdr-&gt;<a class="code" href="structplayer__msghdr.html#a1c20e2f82ad8f6164f7cf31d940255fb" title="Message type; must be one of PLAYER_MSGTYPE_*.">type</a>)) &amp;&amp;
<a name="l00269"></a>00269              ((this-&gt;subtype &lt; 0) ||
<a name="l00270"></a>00270               ((uint8_t)this-&gt;subtype == hdr-&gt;<a class="code" href="structplayer__msghdr.html#aeba88246e5ba9d3d6c1f2b60c329352b" title="Message subtype; interface specific.">subtype</a>)));
<a name="l00271"></a>00271     }
<a name="l00272"></a>00272 
<a name="l00273"></a>00273     <span class="keywordtype">bool</span> Equivalent (<span class="keywordtype">int</span> _host, <span class="keywordtype">int</span> _robot, <span class="keywordtype">int</span> _interf, <span class="keywordtype">int</span> _index, <span class="keywordtype">int</span> _type, <span class="keywordtype">int</span> _subtype)
<a name="l00274"></a>00274     {
<a name="l00275"></a>00275       <span class="keywordflow">return</span> (host == _host &amp;&amp; robot == _robot &amp;&amp; interf ==_interf &amp;&amp; index == _index &amp;&amp;
<a name="l00276"></a>00276           type == _type &amp;&amp; subtype == _subtype);
<a name="l00277"></a>00277     }
<a name="l00278"></a>00278 
<a name="l00279"></a>00279     <span class="comment">// To replace, or not to replace</span>
<a name="l00280"></a>00280     <span class="comment">// That is the question</span>
<a name="l00281"></a>00281     <span class="keywordtype">int</span> replace;
<a name="l00282"></a>00282     <span class="comment">// Next rule in the list</span>
<a name="l00283"></a>00283     <a class="code" href="classMessageReplaceRule.html" title="We keep a singly-linked list of (addr,type,subtype,replace) tuples.">MessageReplaceRule</a>* next;
<a name="l00284"></a>00284 };
<a name="l00285"></a>00285 
<a name="l00337"></a><a class="code" href="classMessageQueue.html">00337</a> <span class="keyword">class </span>PLAYERCORE_EXPORT <a class="code" href="classMessageQueue.html" title="A doubly-linked queue of messages.">MessageQueue</a>
<a name="l00338"></a>00338 {
<a name="l00339"></a>00339   <span class="keyword">public</span>:
<a name="l00341"></a>00341     <a class="code" href="classMessageQueue.html" title="A doubly-linked queue of messages.">MessageQueue</a>(<span class="keywordtype">bool</span> _Replace, <span class="keywordtype">size_t</span> _Maxlen);
<a name="l00343"></a>00343     ~<a class="code" href="classMessageQueue.html" title="A doubly-linked queue of messages.">MessageQueue</a>();
<a name="l00345"></a><a class="code" href="classMessageQueue.html#a8746df2213e0bb5e8c86cc5fb99717c2">00345</a>     <span class="keywordtype">bool</span> <a class="code" href="classMessageQueue.html#a8746df2213e0bb5e8c86cc5fb99717c2" title="Check whether a queue is empty.">Empty</a>() { <span class="keywordflow">return</span>(this-&gt;head == NULL); }
<a name="l00348"></a>00348     <span class="keywordtype">bool</span> Push(<a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a>&amp; msg);
<a name="l00349"></a>00349 
<a name="l00354"></a>00354     <span class="keywordtype">void</span> PushFront(<a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a> &amp; msg, <span class="keywordtype">bool</span> haveLock);
<a name="l00355"></a>00355 
<a name="l00360"></a>00360     <span class="keywordtype">void</span> PushBack(<a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a> &amp; msg, <span class="keywordtype">bool</span> haveLock);
<a name="l00361"></a>00361 
<a name="l00365"></a>00365     <a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a>* Pop();
<a name="l00369"></a><a class="code" href="classMessageQueue.html#a785d982d955cbe025ecc68d3b1348aa8">00369</a>     <span class="keywordtype">void</span> <a class="code" href="classMessageQueue.html#a785d982d955cbe025ecc68d3b1348aa8" title="Set the Replace flag, which governs whether data and command messages of the same subtype from the sa...">SetReplace</a>(<span class="keywordtype">bool</span> _Replace) { this-&gt;Replace = _Replace; };
<a name="l00376"></a>00376     <span class="keywordtype">void</span> AddReplaceRule(<span class="keywordtype">int</span> _host, <span class="keywordtype">int</span> _robot, <span class="keywordtype">int</span> _interf, <span class="keywordtype">int</span> _index,
<a name="l00377"></a>00377                         <span class="keywordtype">int</span> _type, <span class="keywordtype">int</span> _subtype, <span class="keywordtype">int</span> _replace);
<a name="l00383"></a>00383     <span class="keywordtype">void</span> AddReplaceRule(<span class="keyword">const</span> <a class="code" href="structplayer__devaddr.html" title="A device address.">player_devaddr_t</a> &amp;device,
<a name="l00384"></a>00384                         <span class="keywordtype">int</span> _type, <span class="keywordtype">int</span> _subtype, <span class="keywordtype">int</span> _replace);
<a name="l00387"></a>00387     <span class="keywordtype">int</span> CheckReplace(<a class="code" href="structplayer__msghdr.html" title="Generic message header.">player_msghdr_t</a>* hdr);
<a name="l00394"></a>00394     <span class="keywordtype">bool</span> Wait(<span class="keywordtype">double</span> TimeOut=0.0);
<a name="l00397"></a>00397     <span class="keywordtype">void</span> DataAvailable(<span class="keywordtype">void</span>);
<a name="l00399"></a>00399     <span class="keywordtype">bool</span> Filter(<a class="code" href="classMessage.html" title="Reference-counted message objects.">Message</a>&amp; msg);
<a name="l00401"></a>00401     <span class="keywordtype">void</span> ClearFilter(<span class="keywordtype">void</span>);
<a name="l00403"></a>00403     <span class="keywordtype">void</span> SetFilter(<span class="keywordtype">int</span> host, <span class="keywordtype">int</span> robot, <span class="keywordtype">int</span> interf, <span class="keywordtype">int</span> index,
<a name="l00404"></a>00404                    <span class="keywordtype">int</span> type, <span class="keywordtype">int</span> subtype);
<a name="l00406"></a><a class="code" href="classMessageQueue.html#ac481e113aae4391d8d74e25e241269b0">00406</a>     <span class="keywordtype">void</span> <a class="code" href="classMessageQueue.html#ac481e113aae4391d8d74e25e241269b0" title="Set the pull flag.">SetPull</a> (<span class="keywordtype">bool</span> _pull) { this-&gt;pull = _pull; }
<a name="l00407"></a>00407 
<a name="l00409"></a>00409     <span class="keywordtype">size_t</span> GetLength(<span class="keywordtype">void</span>);
<a name="l00410"></a>00410 
<a name="l00412"></a>00412     <span class="keywordtype">void</span> SetDataRequested(<span class="keywordtype">bool</span> d, <span class="keywordtype">bool</span> haveLock);
<a name="l00413"></a>00413 
<a name="l00414"></a>00414   <span class="keyword">private</span>:
<a name="l00416"></a><a class="code" href="classMessageQueue.html#a93197b9bd74d7e9fa5e71939eceb62e8">00416</a>     <span class="keywordtype">void</span> <a class="code" href="classMessageQueue.html#a93197b9bd74d7e9fa5e71939eceb62e8" title="Lock the mutex associated with this queue.">Lock</a>() {pthread_mutex_lock(&amp;lock);};
<a name="l00418"></a><a class="code" href="classMessageQueue.html#a90ef77759dd90d9811dbbdcf73778b98">00418</a>     <span class="keywordtype">void</span> <a class="code" href="classMessageQueue.html#a90ef77759dd90d9811dbbdcf73778b98" title="Unlock the mutex associated with this queue.">Unlock</a>() {pthread_mutex_unlock(&amp;lock);};
<a name="l00421"></a>00421     <span class="keywordtype">void</span> Remove(<a class="code" href="classMessageQueueElement.html" title="This class is a helper for maintaining doubly-linked queues of Messages.">MessageQueueElement</a>* el);
<a name="l00423"></a><a class="code" href="classMessageQueue.html#a2ec72e814490a8974c9f6d21eb5b7663">00423</a>     <a class="code" href="classMessageQueueElement.html" title="This class is a helper for maintaining doubly-linked queues of Messages.">MessageQueueElement</a>* head;
<a name="l00425"></a><a class="code" href="classMessageQueue.html#a5a7e0e994a2457ee73b7283efa54583c">00425</a>     <a class="code" href="classMessageQueueElement.html" title="This class is a helper for maintaining doubly-linked queues of Messages.">MessageQueueElement</a>* tail;
<a name="l00427"></a><a class="code" href="classMessageQueue.html#a85231d6ff82ddbda5ff09ff3a5ce162f">00427</a>     pthread_mutex_t lock;
<a name="l00429"></a><a class="code" href="classMessageQueue.html#a2389db3ab46ceb5c4e718ae35271904a">00429</a>     <span class="keywordtype">size_t</span> Maxlen;
<a name="l00431"></a><a class="code" href="classMessageQueue.html#a6b4e1ca9827f50ff13c80aed3011631c">00431</a>     <a class="code" href="classMessageReplaceRule.html" title="We keep a singly-linked list of (addr,type,subtype,replace) tuples.">MessageReplaceRule</a>* replaceRules;
<a name="l00434"></a><a class="code" href="classMessageQueue.html#ad69ab7d8969fc437d7cfa40be01b8fc2">00434</a>     <span class="keywordtype">bool</span> Replace;
<a name="l00436"></a><a class="code" href="classMessageQueue.html#af1b304b73cebe7980479a3a1cd85f2ea">00436</a>     <span class="keywordtype">size_t</span> Length;
<a name="l00440"></a><a class="code" href="classMessageQueue.html#a926c7aa691bfa676fc95c7bac068db1c">00440</a>     pthread_cond_t cond;
<a name="l00442"></a><a class="code" href="classMessageQueue.html#adbdac9cbde00e9c91233177a9f24e10b">00442</a>     pthread_mutex_t condMutex;
<a name="l00444"></a><a class="code" href="classMessageQueue.html#ad0ed11d0d4a5f7392be539058e352f7d">00444</a>     <span class="keywordtype">bool</span> filter_on;
<a name="l00445"></a>00445     <span class="keywordtype">int</span> filter_host, filter_robot, filter_interf,
<a name="l00446"></a>00446         filter_index, filter_type, filter_subtype;
<a name="l00449"></a><a class="code" href="classMessageQueue.html#a17bdbcec1c31748e1fa1b77e9a2ac576">00449</a>     <span class="keywordtype">bool</span> pull;
<a name="l00452"></a><a class="code" href="classMessageQueue.html#acfa7b736cfe1791f6f618a178ed211bb">00452</a>     <span class="keywordtype">bool</span> data_requested;
<a name="l00454"></a><a class="code" href="classMessageQueue.html#a2262d819a55d5a20c3e2e7dcff31b7e0">00454</a>     <span class="keywordtype">bool</span> data_delivered;
<a name="l00456"></a><a class="code" href="classMessageQueue.html#a6f01c62f001b1cb8a2980a783317f74f">00456</a>     <span class="keywordtype">bool</span> drop_count;
<a name="l00457"></a>00457 };
<a name="l00458"></a>00458 
<a name="l00459"></a>00459 
<a name="l00460"></a>00460 
<a name="l00461"></a>00461 
<a name="l00462"></a>00462 <span class="preprocessor">#endif</span>
</pre></div></div>
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