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<hr><h1>buf_fifo.cpp</h1><a href="buf__fifo_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025 
00026 <font class="preprocessor">#include "<a class="code" href="stdmisc_8h.html">stdmisc.h</a>"</font>
00027 
00028 <font class="preprocessor">#include "<a class="code" href="time__nl_8h.html">nel/misc/time_nl.h</a>"</font>
00029 
00030 <font class="preprocessor">#include "<a class="code" href="buf__fifo_8h.html">nel/misc/buf_fifo.h</a>"</font>
00031 
00032 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00033 
<a name="l00034"></a><a class="code" href="buf__fifo_8cpp.html#a0">00034</a> <font class="preprocessor">#define DEBUG_FIFO 0</font>
00035 <font class="preprocessor"></font>
00036 <font class="keyword">namespace </font>NLMISC {
00037 
00038 
<a name="l00039"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a0">00039</a> CBufFIFO::CBufFIFO() : _Buffer(NULL), _BufferSize(0), _Empty(true), _Head(NULL), _Tail(NULL), _Rewinder(NULL)
00040 {
00041         <font class="comment">// reset statistic</font>
00042         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o6">_BiggestBlock</a> = 0;
00043         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o7">_SmallestBlock</a> = 999999999;
00044         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o8">_BiggestBuffer</a> = 0;
00045         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o9">_SmallestBuffer</a> = 999999999;
00046         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o10">_Pushed</a> = 0;
00047         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o11">_Fronted</a> = 0;
00048         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o12">_Resized</a> = 0;
00049         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o13">_PushedTime</a> = 0;
00050         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o14">_FrontedTime</a> = 0;
00051         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o15">_ResizedTime</a> = 0;
00052 }
00053 
<a name="l00054"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a1">00054</a> CBufFIFO::~CBufFIFO()
00055 {
00056         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a> != NULL)
00057         {
00058                 <font class="keyword">delete</font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00059 <font class="preprocessor">#if DEBUG_FIFO</font>
00060 <font class="preprocessor"></font>                <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p delete"</font>, <font class="keyword">this</font>);
00061 <font class="preprocessor">#endif</font>
00062 <font class="preprocessor"></font>        }
00063 }
00064 
<a name="l00065"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a4">00065</a> <font class="keywordtype">void</font>     CBufFIFO::push (<font class="keyword">const</font> uint8 *buffer, uint32 size)
00066 {
00067         <font class="comment">// if the buffer is more than 1 meg, there s surely a problem, no?</font>
00068 <font class="comment">//      nlassert( buffer.size() &lt; 1000000 ); // size check in debug mode</font>
00069 
00070         <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> before = CTime::getPerformanceTime();
00071 
00072 <font class="preprocessor">#if DEBUG_FIFO</font>
00073 <font class="preprocessor"></font>        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p push(%d)"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00074 <font class="preprocessor">#endif</font>
00075 <font class="preprocessor"></font>
00076         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> &gt; 0 &amp;&amp; <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> &lt; pow(2, <font class="keyword">sizeof</font>(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a>)*8));
00077 
00078         <font class="comment">// stat code</font>
00079         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> &gt; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o6">_BiggestBlock</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o6">_BiggestBlock</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00080         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> &lt; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o7">_SmallestBlock</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o7">_SmallestBlock</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00081         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o10">_Pushed</a>++;
00082 
00083         <font class="keywordflow">while</font> (!<a class="code" href="classNLMISC_1_1CBufFIFO.html#c0">canFit</a> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> + <font class="keyword">sizeof</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a>)))
00084         {
00085                 <a class="code" href="classNLMISC_1_1CBufFIFO.html#a11">resize</a>(<a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a> * 2);
00086         }
00087 
00088         *(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> *)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00089         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> += <font class="keyword">sizeof</font>(TFifoSize);
00090 
00091         CFastMem::memcpy(<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>, buffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00092 
00093         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> += <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00094 
00095         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o2">_Empty</a> = <font class="keyword">false</font>;
00096 
00097         <font class="comment">// stat code</font>
00098         <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> after = CTime::getPerformanceTime();
00099         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o13">_PushedTime</a> += after - before;
00100 
00101 <font class="preprocessor">#if DEBUG_FIFO</font>
00102 <font class="preprocessor"></font>        <a class="code" href="classNLMISC_1_1CBufFIFO.html#a15">display</a> ();
00103 <font class="preprocessor">#endif</font>
00104 <font class="preprocessor"></font>}
00105 
<a name="l00106"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a5">00106</a> <font class="keywordtype">void</font> CBufFIFO::push(<font class="keyword">const</font> std::vector&lt;uint8&gt; &amp;buffer1, <font class="keyword">const</font> std::vector&lt;uint8&gt; &amp;buffer2)
00107 {
00108         <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> before = CTime::getPerformanceTime();
00109 
00110         <a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> = buffer1.size() + buffer2.size ();
00111 
00112 <font class="preprocessor">#if DEBUG_FIFO</font>
00113 <font class="preprocessor"></font>        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p push2(%d)"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00114 <font class="preprocessor">#endif</font>
00115 <font class="preprocessor"></font>
00116         <a class="code" href="debug_8h.html#a6">nlassert</a>((buffer1.size() + buffer2.size ()) &gt; 0 &amp;&amp; (buffer1.size() + buffer2.size ()) &lt; pow(2, <font class="keyword">sizeof</font>(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a>)*8));
00117 
00118         <font class="comment">// avoid too big fifo</font>
00119         <font class="keywordflow">if</font> (this-&gt;<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>() &gt; 10000000)
00120         {
00121                 <font class="keywordflow">throw</font> Exception (<font class="stringliteral">"CBufFIFO::push(): stack full (more than 10mb)"</font>);
00122         }
00123 
00124 
00125         <font class="comment">// stat code</font>
00126         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> &gt; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o6">_BiggestBlock</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o6">_BiggestBlock</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00127         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> &lt; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o7">_SmallestBlock</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o7">_SmallestBlock</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00128 
00129         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o10">_Pushed</a>++;
00130 
00131         <font class="comment">// resize while the buffer is enough big to accept the block</font>
00132         <font class="keywordflow">while</font> (!<a class="code" href="classNLMISC_1_1CBufFIFO.html#c0">canFit</a> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> + <font class="keyword">sizeof</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a>)))
00133         {
00134                 <a class="code" href="classNLMISC_1_1CBufFIFO.html#a11">resize</a>(<a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a> * 2);
00135         }
00136 
00137         <font class="comment">// store the size of the block</font>
00138         *(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> *)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00139         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> += <font class="keyword">sizeof</font>(TFifoSize);
00140 
00141         <font class="comment">// store the block itself</font>
00142         CFastMem::memcpy(<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>, &amp;(buffer1[0]), buffer1.size ());
00143         CFastMem::memcpy(<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> + buffer1.size(), &amp;(buffer2[0]), buffer2.size ());
00144         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> += <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00145 
00146         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o2">_Empty</a> = <font class="keyword">false</font>;
00147 
00148         <font class="comment">// stat code</font>
00149         <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> after = CTime::getPerformanceTime();
00150         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o13">_PushedTime</a> += after - before;
00151 
00152 <font class="preprocessor">#if DEBUG_FIFO</font>
00153 <font class="preprocessor"></font>        <a class="code" href="classNLMISC_1_1CBufFIFO.html#a15">display</a> ();
00154 <font class="preprocessor">#endif</font>
00155 <font class="preprocessor"></font>}
00156 
<a name="l00157"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a10">00157</a> <font class="keywordtype">void</font> CBufFIFO::pop ()
00158 {
00159         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a> ())
00160         {
00161                 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Try to pop an empty fifo!"</font>);
00162                 <font class="keywordflow">return</font>;
00163         }
00164 
00165         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL &amp;&amp; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> == <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a>)
00166         {
00167 <font class="preprocessor">#if DEBUG_FIFO</font>
00168 <font class="preprocessor"></font>                <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p pop rewind!"</font>, <font class="keyword">this</font>);
00169 <font class="preprocessor">#endif</font>
00170 <font class="preprocessor"></font>
00171                 <font class="comment">// need to rewind</font>
00172                 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00173                 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> = NULL;
00174         }
00175 
00176         <a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> = *(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> *)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>;
00177 
00178 <font class="preprocessor">#if DEBUG_FIFO</font>
00179 <font class="preprocessor"></font>        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p pop(%d)"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00180 <font class="preprocessor">#endif</font>
00181 <font class="preprocessor"></font>
00182 <font class="preprocessor">#ifdef NL_DEBUG</font>
00183 <font class="preprocessor"></font>        <font class="comment">// clear the message to be sure user doesn't use it anymore</font>
00184         memset (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>, <font class="charliteral">'-'</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> + <font class="keyword">sizeof</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a>));
00185 <font class="preprocessor">#endif</font>
00186 <font class="preprocessor"></font>
00187         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> += <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> + <font class="keyword">sizeof</font> (TFifoSize);
00188 
00189         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> == <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o2">_Empty</a> = <font class="keyword">true</font>;
00190 
00191 <font class="preprocessor">#if DEBUG_FIFO</font>
00192 <font class="preprocessor"></font>        <a class="code" href="classNLMISC_1_1CBufFIFO.html#a15">display</a> ();
00193 <font class="preprocessor">#endif</font>
00194 <font class="preprocessor"></font>}
00195 
<a name="l00196"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a9">00196</a> uint8 CBufFIFO::frontLast ()
00197 {
00198         uint8   *tail = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>;
00199         
00200         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a> ())
00201         {
00202                 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Try to get the front of an empty fifo!"</font>);
00203                 <font class="keywordflow">return</font> 0;
00204         }
00205 
00206         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL &amp;&amp; tail == <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a>)
00207         {
00208 <font class="preprocessor">#if DEBUG_FIFO</font>
00209 <font class="preprocessor"></font>                <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p front rewind!"</font>, <font class="keyword">this</font>);
00210 <font class="preprocessor">#endif</font>
00211 <font class="preprocessor"></font>
00212                 <font class="comment">// need to rewind</font>
00213                 tail = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00214         }
00215 
00216         <a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> = *(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> *)tail;
00217 
00218 <font class="preprocessor">#if DEBUG_FIFO</font>
00219 <font class="preprocessor"></font>        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p frontLast() returns %d "</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>, *(tail+<font class="keyword">sizeof</font>(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a>)+<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>-1));
00220 <font class="preprocessor">#endif</font>
00221 <font class="preprocessor"></font>
00222         <font class="keywordflow">return</font> *(tail+<font class="keyword">sizeof</font>(TFifoSize)+<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>-1);
00223 }
00224 
00225 
<a name="l00226"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a6">00226</a> <font class="keywordtype">void</font> CBufFIFO::front (vector&lt;uint8&gt; &amp;buffer)
00227 {
00228         uint8 *tmpbuffer;
00229         uint32 <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00230 
00231         buffer.clear ();
00232 
00233         <a class="code" href="classNLMISC_1_1CBufFIFO.html#a6">front</a> (tmpbuffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00234         
00235         buffer.resize (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00236 
00237         CFastMem::memcpy (&amp;(buffer[0]), tmpbuffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00238 
00239 <font class="comment">/*      TTicks before = CTime::getPerformanceTime ();</font>
00240 <font class="comment"></font>
00241 <font class="comment">        uint8   *tail = _Tail;</font>
00242 <font class="comment">        </font>
00243 <font class="comment">        buffer.clear ();</font>
00244 <font class="comment"></font>
00245 <font class="comment">        if (empty ())</font>
00246 <font class="comment">        {</font>
00247 <font class="comment">                nlwarning("Try to get the front of an empty fifo!");</font>
00248 <font class="comment">                return;</font>
00249 <font class="comment">        }</font>
00250 <font class="comment"></font>
00251 <font class="comment">        _Fronted++;</font>
00252 <font class="comment">        </font>
00253 <font class="comment">        if (_Rewinder != NULL &amp;&amp; tail == _Rewinder)</font>
00254 <font class="comment">        {</font>
00255 <font class="comment">#if DEBUG_FIFO</font>
00256 <font class="comment">                nldebug("%p front rewind!", this);</font>
00257 <font class="comment">#endif</font>
00258 <font class="comment"></font>
00259 <font class="comment">                // need to rewind</font>
00260 <font class="comment">                tail = _Buffer;</font>
00261 <font class="comment">        }</font>
00262 <font class="comment"></font>
00263 <font class="comment">        TFifoSize size = *(TFifoSize *)tail;</font>
00264 <font class="comment"></font>
00265 <font class="comment">#if DEBUG_FIFO</font>
00266 <font class="comment">        nldebug("%p front(%d)", this, size);</font>
00267 <font class="comment">#endif</font>
00268 <font class="comment"></font>
00269 <font class="comment">        tail += sizeof (TFifoSize);</font>
00270 <font class="comment"></font>
00271 <font class="comment">        buffer.resize (size);</font>
00272 <font class="comment"></font>
00273 <font class="comment">        CFastMem::memcpy (&amp;(buffer[0]), tail, size);</font>
00274 <font class="comment"></font>
00275 <font class="comment">        // stat code</font>
00276 <font class="comment">        TTicks after = CTime::getPerformanceTime ();</font>
00277 <font class="comment">        _FrontedTime += after - before;</font>
00278 <font class="comment"></font>
00279 <font class="comment">#if DEBUG_FIFO</font>
00280 <font class="comment">        display ();</font>
00281 <font class="comment">#endif</font>
00282 <font class="comment">*/</font>}
00283 
00284 
<a name="l00285"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a7">00285</a> <font class="keywordtype">void</font> CBufFIFO::front (<a class="code" href="classNLMISC_1_1CMemStream.html">NLMISC::CMemStream</a> &amp;buffer)
00286 {
00287         uint8 *tmpbuffer;
00288         uint32 <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00289 
00290         buffer.<a class="code" href="classNLMISC_1_1CMemStream.html#a9">clear</a> ();
00291 
00292         <a class="code" href="classNLMISC_1_1CBufFIFO.html#a6">front</a> (tmpbuffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00293 
00294         buffer.<a class="code" href="classNLMISC_1_1CMemStream.html#a13">fill</a> (tmpbuffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00295         
00296         <font class="comment">/*</font>
00297 <font class="comment">        TTicks before = CTime::getPerformanceTime ();</font>
00298 <font class="comment"></font>
00299 <font class="comment">        uint8   *tail = _Tail;</font>
00300 <font class="comment">        </font>
00301 <font class="comment">        buffer.clear ();</font>
00302 <font class="comment"></font>
00303 <font class="comment">        if (empty ())</font>
00304 <font class="comment">        {</font>
00305 <font class="comment">                nlwarning("Try to get the front of an empty fifo!");</font>
00306 <font class="comment">                return;</font>
00307 <font class="comment">        }</font>
00308 <font class="comment"></font>
00309 <font class="comment">        _Fronted++;</font>
00310 <font class="comment">        </font>
00311 <font class="comment">        if (_Rewinder != NULL &amp;&amp; tail == _Rewinder)</font>
00312 <font class="comment">        {</font>
00313 <font class="comment">#if DEBUG_FIFO</font>
00314 <font class="comment">                nldebug("%p front rewind!", this);</font>
00315 <font class="comment">#endif</font>
00316 <font class="comment"></font>
00317 <font class="comment">                // need to rewind</font>
00318 <font class="comment">                tail = _Buffer;</font>
00319 <font class="comment">        }</font>
00320 <font class="comment"></font>
00321 <font class="comment">        TFifoSize size = *(TFifoSize *)tail;</font>
00322 <font class="comment"></font>
00323 <font class="comment">#if DEBUG_FIFO</font>
00324 <font class="comment">        nldebug("%p front(%d)", this, size);</font>
00325 <font class="comment">#endif</font>
00326 <font class="comment"></font>
00327 <font class="comment">        tail += sizeof (TFifoSize);</font>
00328 <font class="comment"></font>
00329 <font class="comment">        //buffer.resize (size);</font>
00330 <font class="comment">        //CFastMem::memcpy (&amp;(buffer[0]), tail, size);</font>
00331 <font class="comment"></font>
00332 <font class="comment">        buffer.fill (tail, size);</font>
00333 <font class="comment"></font>
00334 <font class="comment">        // stat code</font>
00335 <font class="comment">        TTicks after = CTime::getPerformanceTime ();</font>
00336 <font class="comment">        _FrontedTime += after - before;</font>
00337 <font class="comment"></font>
00338 <font class="comment">#if DEBUG_FIFO</font>
00339 <font class="comment">        display ();</font>
00340 <font class="comment">#endif*/</font>
00341 }
00342 
<a name="l00343"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a8">00343</a> <font class="keywordtype">void</font> CBufFIFO::front (uint8 *&amp;buffer, uint32 &amp;size)
00344 {
00345         <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> before = CTime::getPerformanceTime ();
00346 
00347         uint8   *tail = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>;
00348 
00349         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a> ())
00350         {
00351                 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Try to get the front of an empty fifo!"</font>);
00352                 <font class="keywordflow">return</font>;
00353         }
00354 
00355         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o11">_Fronted</a>++;
00356         
00357         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL &amp;&amp; tail == <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a>)
00358         {
00359 <font class="preprocessor">#if DEBUG_FIFO</font>
00360 <font class="preprocessor"></font>                <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p front rewind!"</font>, <font class="keyword">this</font>);
00361 <font class="preprocessor">#endif</font>
00362 <font class="preprocessor"></font>
00363                 <font class="comment">// need to rewind</font>
00364                 tail = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00365         }
00366 
00367         <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> = *(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> *)tail;
00368 
00369 <font class="preprocessor">#if DEBUG_FIFO</font>
00370 <font class="preprocessor"></font>        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p front(%d)"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00371 <font class="preprocessor">#endif</font>
00372 <font class="preprocessor"></font>
00373         tail += <font class="keyword">sizeof</font> (TFifoSize);
00374 
00375         <font class="comment">// stat code</font>
00376         <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> after = CTime::getPerformanceTime ();
00377         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o14">_FrontedTime</a> += after - before;
00378 
00379 <font class="preprocessor">#if DEBUG_FIFO</font>
00380 <font class="preprocessor"></font>        <a class="code" href="classNLMISC_1_1CBufFIFO.html#a15">display</a> ();
00381 <font class="preprocessor">#endif</font>
00382 <font class="preprocessor"></font>
00383         buffer = tail;
00384 }
00385 
00386 
00387 
<a name="l00388"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a13">00388</a> <font class="keywordtype">void</font> CBufFIFO::clear ()
00389 {
00390         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00391         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> = NULL;
00392         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o2">_Empty</a> = <font class="keyword">true</font>;
00393 }
00394 
<a name="l00395"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">00395</a> uint32 <a class="code" href="cf__lexical_8cpp.html#a94">CBufFIFO::size</a> ()
00396 {
00397         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a> ())
00398         {
00399                 <font class="keywordflow">return</font> 0;
00400         }
00401         <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> == <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>)
00402         {
00403                 <font class="comment">// buffer is full</font>
00404                 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> == NULL)
00405                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a>;
00406                 <font class="keywordflow">else</font>
00407                         <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00408         }
00409         <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> &gt; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>)
00410         {
00411                 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>;
00412         }
00413         <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> &lt; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>)
00414         {
00415                 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL);
00416                 <font class="keywordflow">return</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>) + (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>);
00417         }
00418         <a class="code" href="debug_8h.html#a12">nlstop</a>;
00419         <font class="keywordflow">return</font> 0;
00420 }
00421 
<a name="l00422"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a11">00422</a> <font class="keywordtype">void</font> CBufFIFO::resize (uint32 size)
00423 {
00424         <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> before = CTime::getPerformanceTime();
00425 
00426         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> == 0) <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> = 100;
00427 
00428 <font class="preprocessor">#if DEBUG_FIFO</font>
00429 <font class="preprocessor"></font>        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p resize(%d)"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00430 <font class="preprocessor">#endif</font>
00431 <font class="preprocessor"></font>
00432         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> &gt; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o8">_BiggestBuffer</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o8">_BiggestBuffer</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00433         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> &lt; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o9">_SmallestBuffer</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o9">_SmallestBuffer</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00434 
00435         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o12">_Resized</a>++;
00436 
00437         uint32 UsedSize = <a class="code" href="cf__lexical_8cpp.html#a94">CBufFIFO::size</a>();
00438 
00439         <font class="comment">// creer un nouveau tableau et copie l ancien dans le nouveau.</font>
00440         <font class="keywordflow">if</font> (size &lt; _BufferSize &amp;&amp; UsedSize &gt; <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>)
00441         {
00442                 <font class="comment">// probleme, on a pas assez de place pour caser les datas =&gt; on fait pas</font>
00443                 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Can't resize the FIFO because there's not enough room in the new wanted buffer (%d bytes needed at least)"</font>, UsedSize);
00444                 <font class="keywordflow">return</font>;
00445         }
00446 
00447         uint8 *NewBuffer = <font class="keyword">new</font> uint8[<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>];
00448         <font class="keywordflow">if</font> (NewBuffer == NULL)
00449         {
00450                 <a class="code" href="debug_8h.html#a3">nlerror</a>(<font class="stringliteral">"Not enough memory to resize the FIFO to %u bytes"</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00451         }
00452 <font class="preprocessor">#ifdef NL_DEBUG</font>
00453 <font class="preprocessor"></font>        <font class="comment">// clear the message to be sure user doesn't use it anymore</font>
00454         memset (NewBuffer, <font class="charliteral">'-'</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00455 <font class="preprocessor">#endif</font>
00456 <font class="preprocessor"></font>
00457 <font class="preprocessor">#if DEBUG_FIFO</font>
00458 <font class="preprocessor"></font>        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p new %d bytes"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00459 <font class="preprocessor">#endif</font>
00460 <font class="preprocessor"></font>
00461         <font class="comment">// copy the old buffer to the new one</font>
00462         <font class="comment">// if _Tail == _Head =&gt; empty fifo, don't copy anything</font>
00463         <font class="keywordflow">if</font> (!<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a>())
00464         {
00465                 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> &lt; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>)
00466                 {
00467                         CFastMem::memcpy (NewBuffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>, UsedSize);
00468                 }
00469                 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> &gt;= <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>)
00470                 {
00471                         <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL);
00472 
00473                         uint size1 = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>;
00474                         CFastMem::memcpy (NewBuffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>, size1);
00475                         uint size2 = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00476                         CFastMem::memcpy (NewBuffer + size1, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>, size2);
00477 
00478                         <a class="code" href="debug_8h.html#a6">nlassert</a> (size1+size2==UsedSize);
00479                 }
00480         }
00481 
00482         <font class="comment">// resync the circular pointer</font>
00483         <font class="comment">// Warning: don't invert these 2 lines position or it ll not work</font>
00484         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> = NewBuffer;
00485         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> = NewBuffer + UsedSize;
00486         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> = NULL;
00487 
00488         <font class="comment">// delete old buffer if needed</font>
00489         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a> != NULL)
00490         {
00491                 <font class="keyword">delete</font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00492 <font class="preprocessor">#if DEBUG_FIFO</font>
00493 <font class="preprocessor"></font>                <a class="code" href="debug_8h.html#a0">nldebug</a> (<font class="stringliteral">"delete"</font>, <font class="keyword">this</font>);
00494 <font class="preprocessor">#endif</font>
00495 <font class="preprocessor"></font>        }
00496 
00497         <font class="comment">// affect new buffer</font>
00498         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a> = NewBuffer;
00499         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00500 
00501         <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> after = CTime::getPerformanceTime();
00502 
00503         <a class="code" href="classNLMISC_1_1CBufFIFO.html#o15">_ResizedTime</a> += after - before;
00504 
00505 <font class="preprocessor">#if DEBUG_FIFO</font>
00506 <font class="preprocessor"></font>        <a class="code" href="classNLMISC_1_1CBufFIFO.html#a15">display</a> ();
00507 <font class="preprocessor">#endif</font>
00508 <font class="preprocessor"></font>}
00509 
<a name="l00510"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a16">00510</a> <font class="keywordtype">void</font> CBufFIFO::displayStats ()
00511 {
00512         <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _BiggestBlock: %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o6">_BiggestBlock</a>);
00513         <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _SmallestBlock: %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o7">_SmallestBlock</a>);
00514         <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _BiggestBuffer: %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o8">_BiggestBuffer</a>);
00515         <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _SmallestBuffer: %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o9">_SmallestBuffer</a>);
00516         <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _Pushed : %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o10">_Pushed</a>);
00517         <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _Fronted: %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o11">_Fronted</a>);
00518         <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _Resized: %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o12">_Resized</a>);
00519         <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _PushedTime: %"</font>NL_I64<font class="stringliteral">"d %f"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o13">_PushedTime</a>, (<font class="keywordtype">double</font>)(sint64)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o13">_PushedTime</a> / (<font class="keywordtype">double</font>)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o10">_Pushed</a>);
00520         <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _FrontedTime: %"</font>NL_I64<font class="stringliteral">"d %f"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o14">_FrontedTime</a>, (<font class="keywordtype">double</font>)(sint64)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o14">_FrontedTime</a> / (<font class="keywordtype">double</font>)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o11">_Fronted</a>);
00521         <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _ResizedTime: %"</font>NL_I64<font class="stringliteral">"d %f"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o15">_ResizedTime</a>, (<font class="keywordtype">double</font>)(sint64)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o15">_ResizedTime</a> / (<font class="keywordtype">double</font>)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o12">_Resized</a>);
00522 }
00523 
<a name="l00524"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a15">00524</a> <font class="keywordtype">void</font> CBufFIFO::display ()
00525 {
00526         <font class="keywordtype">int</font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> = 64;
00527         <font class="keywordtype">int</font> gran = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>/30;
00528 
00529         <font class="keywordtype">char</font> str[1024];
00530 
00531         <a class="code" href="namespaceNLMISC.html#a211">smprintf</a>(str, 1024, <font class="stringliteral">"%p %p (%5d %5d) %p %p %p "</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a>, CBufFIFO::size(), <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>);
00532 
00533         <font class="keywordtype">int</font> i;
00534         <font class="keywordflow">for</font> (i = 0; i &lt; (sint32) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a>; i+= gran)
00535         {
00536                 uint8 *pos = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a> + i;
00537                 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> &gt;= pos &amp;&amp; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> &lt; pos + gran)
00538                 {
00539                         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> &gt;= pos &amp;&amp; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> &lt; pos + gran)
00540                         {
00541                                 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL &amp;&amp; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> &gt;= pos &amp;&amp; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> &lt; pos + gran)
00542                                 {
00543                                         strncat (str, <font class="stringliteral">"*"</font>, 1024);
00544                                 }
00545                                 <font class="keywordflow">else</font>
00546                                 {
00547                                         strncat (str, <font class="stringliteral">"@"</font>, 1024);
00548                                 }
00549                         }
00550                         <font class="keywordflow">else</font>
00551                         {
00552                                 strncat (str, <font class="stringliteral">"T"</font>, 1024);
00553                         }
00554                 }
00555                 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> &gt;= pos &amp;&amp; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> &lt; pos + gran)
00556                 {
00557                         strncat (str, <font class="stringliteral">"H"</font>, 1024);
00558                 }
00559                 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL &amp;&amp; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> &gt;= pos &amp;&amp; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> &lt; pos + gran)
00560                 {
00561                         strncat (str, <font class="stringliteral">"R"</font>, 1024);
00562                 }
00563                 <font class="keywordflow">else</font>
00564                 {
00565                         <font class="keywordflow">if</font> (strlen(str) &lt; 1023)
00566                         {
00567                                 uint32 p = strlen(str);
00568                                 <font class="keywordflow">if</font> (isprint(*pos))
00569                                         str[p] = *pos;
00570                                 <font class="keywordflow">else</font>
00571                                         str[p] = <font class="charliteral">'$'</font>;
00572 
00573                                 str[p+1] = <font class="charliteral">'\0'</font>;
00574                         }
00575                 }
00576         }
00577 
00578         <font class="keywordflow">for</font> (; i &lt; <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>; i+= gran)
00579         {
00580                 strncat (str, <font class="stringliteral">" "</font>, 1024);
00581         }
00582 <font class="preprocessor">#ifdef NL_DEBUG</font>
00583 <font class="preprocessor"></font>        strncat (str, <font class="stringliteral">"\n"</font>, 1024);
00584 <font class="preprocessor">#else</font>
00585 <font class="preprocessor"></font>        strncat (str, <font class="stringliteral">"\r"</font>, 1024);
00586 <font class="preprocessor">#endif</font>
00587 <font class="preprocessor"></font>        <a class="code" href="namespaceNLMISC.html#a11">DebugLog</a>-&gt;display (str);
00588 }
00589 
<a name="l00590"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#c0">00590</a> <font class="keywordtype">bool</font> CBufFIFO::canFit (uint32 size)
00591 {
00592         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> == <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>)
00593         {
00594                 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a>())
00595                 {
00596                         <font class="comment">// is the buffer large enough?</font>
00597                         <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a> &gt;= <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>)
00598                         {
00599                                 <font class="comment">// reset the pointer</font>
00600 <font class="preprocessor">#if DEBUG_FIFO</font>
00601 <font class="preprocessor"></font>                                <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p reset tail and head"</font>, <font class="keyword">this</font>);
00602 <font class="preprocessor">#endif</font>
00603 <font class="preprocessor"></font>                                <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00604                                 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00605                         }
00606                         <font class="keywordflow">else</font>
00607                         {
00608                                 <font class="comment">// buffer not big enough</font>
00609 <font class="preprocessor">#if DEBUG_FIFO</font>
00610 <font class="preprocessor"></font>                                <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p buffer full buffersize&lt;size"</font>, <font class="keyword">this</font>);
00611 <font class="preprocessor">#endif</font>
00612 <font class="preprocessor"></font>                                <font class="keywordflow">return</font> <font class="keyword">false</font>;
00613                         }
00614                 }
00615                 <font class="keywordflow">else</font>
00616                 {
00617                         <font class="comment">// buffer full</font>
00618 <font class="preprocessor">#if DEBUG_FIFO</font>
00619 <font class="preprocessor"></font>                        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p buffer full h=t"</font>, <font class="keyword">this</font>);
00620 <font class="preprocessor">#endif</font>
00621 <font class="preprocessor"></font>                        <font class="keywordflow">return</font> <font class="keyword">false</font>;
00622                 }
00623         }
00624         <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> &lt; <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>)
00625         {
00626                 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a> + <a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> &gt;= (sint32) <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>)
00627                 {
00628                         <font class="comment">// can fit after _Head</font>
00629 <font class="preprocessor">#if DEBUG_FIFO</font>
00630 <font class="preprocessor"></font>                        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p fit after"</font>, <font class="keyword">this</font>);
00631 <font class="preprocessor">#endif</font>
00632 <font class="preprocessor"></font>                        <font class="keywordflow">return</font> <font class="keyword">true</font>;
00633                 }
00634                 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a> &gt;= (sint32) <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>)
00635                 {
00636                         <font class="comment">// can fit at the beginning</font>
00637 <font class="preprocessor">#if DEBUG_FIFO</font>
00638 <font class="preprocessor"></font>                        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p fit at beginning"</font>, <font class="keyword">this</font>);
00639 <font class="preprocessor">#endif</font>
00640 <font class="preprocessor"></font>                        <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>;
00641 <font class="preprocessor">#if DEBUG_FIFO</font>
00642 <font class="preprocessor"></font>                        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p set the rewinder"</font>, <font class="keyword">this</font>);
00643 <font class="preprocessor">#endif</font>
00644 <font class="preprocessor"></font>                        <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00645                         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00646                 }
00647                 <font class="keywordflow">else</font>
00648                 {
00649                         <font class="comment">// can't fit</font>
00650 <font class="preprocessor">#if DEBUG_FIFO</font>
00651 <font class="preprocessor"></font>                        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p no room t&lt;h"</font>, <font class="keyword">this</font>);
00652 <font class="preprocessor">#endif</font>
00653 <font class="preprocessor"></font>                        <font class="keywordflow">return</font> <font class="keyword">false</font>;
00654                 }
00655         }
00656         <font class="keywordflow">else</font> <font class="comment">// the last case is : if (_Tail &gt; _Head)</font>
00657         {
00658                 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> &gt;= (sint32) <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>)
00659                 {
00660 <font class="preprocessor">#if DEBUG_FIFO</font>
00661 <font class="preprocessor"></font>                        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p fit t&gt;h"</font>, <font class="keyword">this</font>);
00662 <font class="preprocessor">#endif</font>
00663 <font class="preprocessor"></font>                        <font class="keywordflow">return</font> <font class="keyword">true</font>;
00664                 }
00665                 <font class="keywordflow">else</font>
00666                 {
00667 <font class="preprocessor">#if DEBUG_FIFO</font>
00668 <font class="preprocessor"></font>                        <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p no room t&gt;h"</font>, <font class="keyword">this</font>);
00669 <font class="preprocessor">#endif</font>
00670 <font class="preprocessor"></font>                        <font class="keywordflow">return</font> <font class="keyword">false</font>;
00671                 }
00672         }
00673         <a class="code" href="debug_8h.html#a12">nlstop</a>;
00674 }
00675 
00676 
00677 } <font class="comment">// NLMISC</font>
</pre></div>

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