ac
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<h1>E:/uas2/Server/Message.h</h1><a href="_message_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">* This file is part of UAS2.</span>
<a name="l00003"></a>00003 <span class="comment">*</span>
<a name="l00004"></a>00004 <span class="comment">* UAS2 is free software; you can redistribute it and/or modify</span>
<a name="l00005"></a>00005 <span class="comment">* it under the terms of the GNU General Public License as published by</span>
<a name="l00006"></a>00006 <span class="comment">* the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00007"></a>00007 <span class="comment">* (at your option) any later version.</span>
<a name="l00008"></a>00008 <span class="comment">*</span>
<a name="l00009"></a>00009 <span class="comment">* UAS2 is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00012"></a>00012 <span class="comment">* GNU General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">* You should have received a copy of the GNU General Public License</span>
<a name="l00015"></a>00015 <span class="comment">* along with UASv1; if not, write to the Free Software</span>
<a name="l00016"></a>00016 <span class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA</span>
<a name="l00017"></a>00017 <span class="comment">*/</span>
<a name="l00018"></a>00018 
<a name="l00023"></a>00023 <span class="preprocessor">#ifndef __MESSAGE_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define __MESSAGE_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;deque&gt;</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;vector&gt;</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include &lt;cassert&gt;</span>
<a name="l00029"></a>00029 
<a name="l00030"></a>00030 <span class="preprocessor">#include &quot;<a class="code" href="_shared_8h.html">Shared.h</a>&quot;</span>
<a name="l00031"></a>00031 
<a name="l00032"></a>00032 <span class="preprocessor">#define BUFFER_BLOCK_SIZE 1024</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00034"></a><a class="code" href="classc_message.html">00034</a> <span class="keyword">class </span><a class="code" href="classc_message.html">cMessage</a>
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036         <span class="keyword">class </span>cBlock
<a name="l00037"></a>00037         {
<a name="l00038"></a>00038                 <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classc_message.html">cMessage</a>;
<a name="l00039"></a>00039 
<a name="l00040"></a>00040                 <span class="keyword">mutable</span> BYTE *m_pStart, *m_pUsed;
<a name="l00041"></a>00041         
<a name="l00042"></a>00042         <span class="keyword">public</span>:
<a name="l00043"></a>00043                 
<a name="l00044"></a>00044                 cBlock ();
<a name="l00045"></a>00045                 cBlock ( <span class="keyword">const</span> cBlock &amp;from );
<a name="l00046"></a>00046                 ~cBlock ();
<a name="l00047"></a>00047 
<a name="l00048"></a>00048                 BOOL pasteData ( BYTE *&amp;pData, <span class="keywordtype">int</span> &amp;nBytes );
<a name="l00049"></a>00049                 <span class="keywordtype">int</span> getAlign ( <span class="keywordtype">int</span> nBoundary ) <span class="keyword">const</span>;
<a name="l00050"></a>00050                 BOOL pasteAlign ( <span class="keywordtype">int</span> &amp;nBytes );
<a name="l00051"></a>00051 
<a name="l00052"></a>00052                 <span class="keywordtype">size_t</span> getUsed ()<span class="keyword"> const</span>
<a name="l00053"></a>00053 <span class="keyword">                </span>{
<a name="l00054"></a>00054                         <span class="keywordflow">return</span> ( m_pUsed - m_pStart );
<a name="l00055"></a>00055                 }
<a name="l00056"></a>00056 
<a name="l00057"></a>00057                 BOOL getData ( <span class="keywordtype">size_t</span> &amp;nOffset, <span class="keywordtype">size_t</span> &amp;nLength, BYTE * &amp;pBuffer ) <span class="keyword">const</span>;
<a name="l00058"></a>00058 
<a name="l00059"></a>00059         <span class="keyword">private</span>:
<a name="l00060"></a>00060                 <span class="comment">// Disabled functions</span>
<a name="l00061"></a>00061                 cBlock &amp;operator= ( <span class="keyword">const</span> cBlock &amp; );
<a name="l00062"></a>00062         };
<a name="l00063"></a>00063 
<a name="l00064"></a>00064         <span class="keyword">typedef</span> std::deque&lt; cBlock &gt; cBlockList;
<a name="l00065"></a>00065         cBlockList m_blocks;
<a name="l00066"></a>00066 
<a name="l00067"></a>00067         <span class="comment">// Place a block of data into the message</span>
<a name="l00068"></a>00068 <span class="keyword">public</span>:
<a name="l00069"></a>00069         <a class="code" href="classc_message.html">cMessage</a> ();
<a name="l00070"></a>00070         <a class="code" href="classc_message.html">cMessage</a> (BYTE* pbPacket, <span class="keywordtype">int</span> nSize);
<a name="l00071"></a>00071         ~<a class="code" href="classc_message.html">cMessage</a>( )
<a name="l00072"></a>00072         { 
<a name="l00073"></a>00073                 <span class="keywordflow">while</span> ( !m_blocks.empty( ) )
<a name="l00074"></a>00074                         m_blocks.pop_front( );
<a name="l00075"></a>00075         }
<a name="l00076"></a>00076 
<a name="l00077"></a>00077         <span class="comment">// Basic functions for inserting data</span>
<a name="l00078"></a>00078         <span class="keywordtype">void</span> pasteData ( BYTE *pData, <span class="keywordtype">int</span> nBytes );
<a name="l00079"></a>00079         <span class="keywordtype">void</span> pasteAlign ( <span class="keywordtype">int</span> nBoundary );
<a name="l00080"></a>00080         <span class="keywordtype">void</span> pasteString ( <span class="keyword">const</span> <span class="keywordtype">char</span> *str );
<a name="l00081"></a>00081 
<a name="l00082"></a>00082         <span class="comment">// Functions for retrieving data</span>
<a name="l00083"></a>00083         <span class="keywordtype">size_t</span> getSize () <span class="keyword">const</span>;
<a name="l00084"></a>00084         <span class="keywordtype">void</span> getData ( <span class="keywordtype">size_t</span> nOffset, <span class="keywordtype">size_t</span> nLength, BYTE *pBuffer ) <span class="keyword">const</span>;
<a name="l00085"></a>00085 
<a name="l00086"></a>00086         <span class="keyword">template</span>&lt; <span class="keyword">class</span> DataT &gt;
<a name="l00087"></a>00087         <span class="keyword">inline</span> <span class="keywordtype">void</span> paste ( DataT dt )
<a name="l00088"></a>00088         {
<a name="l00089"></a>00089                 pasteData ( reinterpret_cast&lt; BYTE * &gt; ( &amp;dt ), <span class="keyword">sizeof</span> ( DataT ) );
<a name="l00090"></a>00090         }
<a name="l00091"></a>00091 
<a name="l00092"></a>00092         <span class="comment">// String pastes</span>
<a name="l00093"></a>00093         <span class="keyword">template</span>&lt;&gt;
<a name="l00094"></a>00094         <span class="keyword">inline</span> <span class="keywordtype">void</span> paste ( <span class="keywordtype">char</span> *str )
<a name="l00095"></a>00095         {
<a name="l00096"></a>00096                 pasteString ( static_cast&lt; const char * &gt;( str ) ); 
<a name="l00097"></a>00097         }
<a name="l00098"></a>00098 
<a name="l00099"></a>00099         <span class="keyword">template</span>&lt;&gt;
<a name="l00100"></a>00100         <span class="keyword">inline</span> <span class="keywordtype">void</span> paste ( <span class="keyword">const</span> <span class="keywordtype">char</span> *str )
<a name="l00101"></a>00101         {
<a name="l00102"></a>00102                 pasteString ( static_cast&lt; const char * &gt;( str ) ); 
<a name="l00103"></a>00103         }
<a name="l00104"></a>00104  
<a name="l00105"></a>00105         <span class="comment">// Collection pastes</span>
<a name="l00106"></a>00106         <span class="keyword">template</span>&lt; <span class="keyword">class</span> ItemT &gt;
<a name="l00107"></a>00107         <span class="keywordtype">void</span> paste ( std::vector&lt; ItemT &gt; &amp;vec )
<a name="l00108"></a>00108         {
<a name="l00109"></a>00109                 <span class="keywordflow">for</span> ( std::vector&lt; ItemT &gt;::iterator i = vec.begin(); i != vec.end(); ++ i )
<a name="l00110"></a>00110                         i-&gt;encode ( *<span class="keyword">this</span> );
<a name="l00111"></a>00111 
<a name="l00112"></a>00112                 <span class="comment">// Always realign after doing a vector</span>
<a name="l00113"></a>00113                 pasteAlign ( <span class="keyword">sizeof</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ) );
<a name="l00114"></a>00114         }
<a name="l00115"></a>00115 
<a name="l00116"></a>00116         <span class="keywordtype">void</span> CannedData( BYTE *pbData, DWORD dwSize )
<a name="l00117"></a>00117         {
<a name="l00118"></a>00118                 pasteData( pbData, dwSize );
<a name="l00119"></a>00119         }
<a name="l00120"></a>00120 
<a name="l00121"></a>00121         <span class="keyword">inline</span> BYTE&amp; operator[]( <span class="keywordtype">int</span> iElem )<span class="keyword"> const </span>
<a name="l00122"></a>00122 <span class="keyword">        </span>{ 
<a name="l00123"></a>00123 <span class="comment">//      #ifdef _DEBUG </span>
<a name="l00124"></a>00124 <span class="comment">//              if ( getSize( ) &gt; 0 ) </span>
<a name="l00125"></a>00125 <span class="comment">//                      assert( iElem &lt; getSize( ) );</span>
<a name="l00126"></a>00126 <span class="comment">//      #endif</span>
<a name="l00127"></a>00127                 <span class="keywordflow">return</span> (m_blocks.begin( ) + (iElem / BUFFER_BLOCK_SIZE))-&gt;m_pStart[iElem % BUFFER_BLOCK_SIZE];
<a name="l00128"></a>00128         }
<a name="l00129"></a>00129 
<a name="l00130"></a>00130 <span class="keyword">private</span>:
<a name="l00131"></a>00131         <span class="keyword">class </span>cBlockDispenser
<a name="l00132"></a>00132         {
<a name="l00133"></a>00133                 HANDLE m_hHeap;
<a name="l00134"></a>00134 
<a name="l00135"></a>00135         <span class="keyword">public</span>:
<a name="l00136"></a>00136                 cBlockDispenser ();
<a name="l00137"></a>00137                 ~cBlockDispenser ();
<a name="l00138"></a>00138 
<a name="l00139"></a>00139                 BYTE *<span class="keyword">get</span> ();
<a name="l00140"></a>00140                 <span class="keywordtype">void</span> release (BYTE *pBlock);
<a name="l00141"></a>00141         };
<a name="l00142"></a>00142 
<a name="l00143"></a>00143         <span class="keyword">static</span> cBlockDispenser g_dispenser;
<a name="l00144"></a>00144 
<a name="l00145"></a>00145         <span class="keyword">friend</span> cBlock;
<a name="l00146"></a>00146 };
<a name="l00147"></a>00147 
<a name="l00148"></a>00148 <span class="keyword">template</span>&lt; <span class="keyword">class</span> DataT &gt;
<a name="l00149"></a>00149 <a class="code" href="classc_message.html">cMessage</a> &amp;operator&lt;&lt; ( <a class="code" href="classc_message.html">cMessage</a> &amp;buf, DataT t )
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151    buf.paste ( t );
<a name="l00152"></a>00152    <span class="keywordflow">return</span> buf;
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154 
<a name="l00155"></a>00155 <span class="preprocessor">#endif  // #ifndef __MESSAGE_H</span>
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