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<hr><h1>buf_server.cpp</h1><a href="buf__server_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="stdnet_8h.html">stdnet.h</a>"</font>
00027 
00028 <font class="preprocessor">#include "<a class="code" href="hierarchical__timer_8h.html">nel/misc/hierarchical_timer.h</a>"</font>
00029 
00030 <font class="preprocessor">#include "<a class="code" href="buf__server_8h.html">nel/net/buf_server.h</a>"</font>
00031 
00032 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00033 <font class="preprocessor"></font><font class="preprocessor">#include &lt;winsock2.h&gt;</font>
00034 <font class="comment">//typedef sint socklen_t;</font>
00035 
00036 <font class="preprocessor">#elif defined NL_OS_UNIX</font>
00037 <font class="preprocessor"></font><font class="preprocessor">#include &lt;<a class="code" href="unistd_8h.html">unistd.h</a>&gt;</font>
00038 <font class="preprocessor">#include &lt;sys/types.h&gt;</font>
00039 <font class="preprocessor">#include &lt;sys/time.h&gt;</font>
00040 <font class="preprocessor">#endif</font>
00041 <font class="preprocessor"></font>
00042 
00043 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00044 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00045 
00046 <font class="keyword">namespace </font>NLNET {
00047 
00048 
00049 <font class="comment">/***************************************************************************************************</font>
00050 <font class="comment"> * User main thread (initialization)</font>
00051 <font class="comment"> **************************************************************************************************/</font>
00052 
00053 
00054 <font class="comment">/*</font>
00055 <font class="comment"> * Constructor</font>
00056 <font class="comment"> */</font>
<a name="l00057"></a><a class="code" href="classNLNET_1_1CBufServer.html#a0">00057</a> CBufServer::CBufServer( TThreadStategy strategy,
00058         uint16 max_threads, uint16 max_sockets_per_thread, <font class="keywordtype">bool</font> nodelay, <font class="keywordtype">bool</font> replaymode ) :
00059         CBufNetBase(),
00060         _NoDelay( nodelay ),
00061         _ThreadStrategy( strategy ),
00062         _MaxThreads( max_threads ),
00063         _MaxSocketsPerThread( max_sockets_per_thread ),
00064         _ListenTask( NULL ),
00065         _ListenThread( NULL ),
00066         _ThreadPool("CBufServer::_ThreadPool"),
00067         _ConnectionCallback( NULL ),
00068         _ConnectionCbArg( NULL ),
00069         _BytesPushedOut( 0 ),
00070         _BytesPoppedIn( 0 ),
00071         _PrevBytesPoppedIn( 0 ),
00072         _PrevBytesPushedOut( 0 ),
00073         _NbConnections (0),
00074         _ReplayMode( replaymode )
00075 {
00076         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::CBufServer"</font> );
00077         <font class="keywordflow">if</font> ( ! <a class="code" href="classNLNET_1_1CBufServer.html#o14">_ReplayMode</a> )
00078         {
00079                 <a class="code" href="classNLNET_1_1CBufServer.html#o4">_ListenTask</a> = <font class="keyword">new</font> <a class="code" href="classNLNET_1_1CBufServer.html#l1">CListenTask</a>( <font class="keyword">this</font> );
00080                 <a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a> = IThread::create( <a class="code" href="classNLNET_1_1CBufServer.html#o4">_ListenTask</a> );
00081         }
00082         <font class="comment">/*{</font>
00083 <font class="comment">                CSynchronized&lt;uint32&gt;::CAccessor syncbpi ( &amp;_BytesPushedIn );</font>
00084 <font class="comment">                syncbpi.value() = 0;</font>
00085 <font class="comment">        }*/</font>
00086 }
00087 
00088 
00089 <font class="comment">/*</font>
00090 <font class="comment"> * Listens on the specified port</font>
00091 <font class="comment"> */</font>
<a name="l00092"></a><a class="code" href="classNLNET_1_1CBufServer.html#a2">00092</a> <font class="keywordtype">void</font> CBufServer::init( uint16 port )
00093 {
00094         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::init"</font> );
00095         <font class="keywordflow">if</font> ( ! <a class="code" href="classNLNET_1_1CBufServer.html#o14">_ReplayMode</a> )
00096         {
00097                 <a class="code" href="classNLNET_1_1CBufServer.html#o4">_ListenTask</a>-&gt;init( port );
00098                 <a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>-&gt;<a class="code" href="classNLMISC_1_1IThread.html#a1">start</a>();
00099         }
00100         <font class="keywordflow">else</font>
00101         {
00102                 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL0: Binding listen socket to any address, port %hu"</font>, port );
00103         }
00104 }
00105 
00106 
00107 <font class="comment">/*</font>
00108 <font class="comment"> * Begins to listen on the specified port (call before running thread)</font>
00109 <font class="comment"> */</font>
<a name="l00110"></a><a class="code" href="classNLNET_1_1CListenTask.html#a1">00110</a> <font class="keywordtype">void</font> CListenTask::init( uint16 port )
00111 {
00112         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CListenTask::init"</font> );
00113         <a class="code" href="classNLNET_1_1CListenTask.html#o1">_ListenSock</a>.init( port );
00114 }
00115 
00116 
00117 <font class="comment">/***************************************************************************************************</font>
00118 <font class="comment"> * User main thread (running)</font>
00119 <font class="comment"> **************************************************************************************************/</font>
00120 
00121 
00122 <font class="comment">/*</font>
00123 <font class="comment"> * Constructor</font>
00124 <font class="comment"> */</font>
<a name="l00125"></a><a class="code" href="classNLNET_1_1CServerTask.html#b0">00125</a> CServerTask::CServerTask() : _ExitRequired(false)
00126 {
00127 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00128 <font class="preprocessor"></font>        pipe( _WakeUpPipeHandle );
00129 <font class="preprocessor">#endif</font>
00130 <font class="preprocessor"></font>}
00131 
00132 
00133 
00134 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00135 <font class="preprocessor"></font><font class="comment">/*</font>
00136 <font class="comment"> * Wake the thread up, when blocked in select (Unix only)</font>
00137 <font class="comment"> */</font>
00138 <font class="keywordtype">void</font> CServerTask::wakeUp()
00139 {
00140         uint8 b;
00141         <font class="keywordflow">if</font> ( write( _WakeUpPipeHandle[PipeWrite], &amp;b, 1 ) == -1 )
00142         {
00143                 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: In CServerTask::wakeUp(): write() failed"</font> );
00144         }
00145 }
00146 <font class="preprocessor">#endif</font>
00147 <font class="preprocessor"></font>
00148 
00149 <font class="comment">/*</font>
00150 <font class="comment"> * Destructor</font>
00151 <font class="comment"> */</font>
<a name="l00152"></a><a class="code" href="classNLNET_1_1CServerTask.html#a0">00152</a> CServerTask::~CServerTask()
00153 {
00154 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00155 <font class="preprocessor"></font>        close( _WakeUpPipeHandle[PipeRead] );
00156         close( _WakeUpPipeHandle[PipeWrite] );
00157 <font class="preprocessor">#endif</font>
00158 <font class="preprocessor"></font>}
00159 
00160 
00161 <font class="comment">/*</font>
00162 <font class="comment"> * Destructor</font>
00163 <font class="comment"> */</font>
<a name="l00164"></a><a class="code" href="classNLNET_1_1CBufServer.html#a1">00164</a> CBufServer::~CBufServer()
00165 {
00166         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::~CBufServer"</font> );
00167 
00168         <font class="comment">// Clean listen thread exit</font>
00169         <font class="keywordflow">if</font> ( ! <a class="code" href="classNLNET_1_1CBufServer.html#o14">_ReplayMode</a> )
00170         {
00171                 ((<a class="code" href="classNLNET_1_1CBufServer.html#l1">CListenTask</a>*)(<a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>-&gt;<a class="code" href="classNLMISC_1_1IThread.html#a4">getRunnable</a>()))-&gt;requireExit();
00172                 ((<a class="code" href="classNLNET_1_1CBufServer.html#l1">CListenTask</a>*)(<a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>-&gt;<a class="code" href="classNLMISC_1_1IThread.html#a4">getRunnable</a>()))-&gt;close();
00173 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00174 <font class="preprocessor"></font>                <a class="code" href="classNLNET_1_1CBufServer.html#o4">_ListenTask</a>-&gt;wakeUp();
00175 <font class="preprocessor">#endif</font>
00176 <font class="preprocessor"></font>                <a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>-&gt;<a class="code" href="classNLMISC_1_1IThread.html#a3">wait</a>();
00177                 <font class="keyword">delete</font> <a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>;
00178                 <font class="keyword">delete</font> <a class="code" href="classNLNET_1_1CBufServer.html#o4">_ListenTask</a>;
00179 
00180                 <font class="comment">// Clean receive thread exits</font>
00181                 CThreadPool::iterator ipt;
00182                 {
00183                         <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Waiting for end of threads..."</font> );
00184                         CSynchronized&lt;CThreadPool&gt;::CAccessor poolsync( &amp;<a class="code" href="classNLNET_1_1CBufServer.html#o6">_ThreadPool</a> );
00185                         <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00186                         {
00187                                 <font class="comment">// Tell the threads to exit and wake them up</font>
00188                                 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00189                                 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Requiring exit"</font> );
00190                                 task-&gt;requireExit();
00191 
00192                                 <font class="comment">// Wake the threads up</font>
00193 <font class="preprocessor">        #ifdef NL_OS_UNIX</font>
00194 <font class="preprocessor"></font>                                task-&gt;wakeUp();
00195 <font class="preprocessor">        #else</font>
00196 <font class="preprocessor"></font>                                CConnections::iterator ipb;
00197                                 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Closing sockets (Win32)"</font> );
00198                                 {
00199                                         CSynchronized&lt;CConnections&gt;::CAccessor connectionssync( &amp;task-&gt;_Connections );
00200                                         <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00201                                         {
00202                                                 (*ipb)-&gt;Sock-&gt;close();
00203                                         }
00204                                 }
00205 <font class="preprocessor">        #endif</font>
00206 <font class="preprocessor"></font>
00207                         }
00208                         
00209                         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Waiting"</font> );
00210                         <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00211                         {
00212                                 <font class="comment">// Wait until the threads have exited</font>
00213                                 (*ipt)-&gt;wait();
00214                         }
00215 
00216                         <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Deleting sockets, tasks and threads..."</font> );
00217                         <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00218                         {
00219                                 <font class="comment">// Delete the socket objects</font>
00220                                 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00221                                 CConnections::iterator ipb;
00222                                 {
00223                                         CSynchronized&lt;CConnections&gt;::CAccessor connectionssync( &amp;task-&gt;_Connections );
00224                                         <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00225                                         {
00226                                                 <font class="keyword">delete</font> (*ipb);
00227                                         }
00228                                 }
00229 
00230 <font class="preprocessor">        #ifdef NL_OS_UNIX</font>
00231 <font class="preprocessor"></font>                                <font class="comment">// Under Unix, close the sockets now</font>
00232                                 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Closing sockets (Unix)"</font> );
00233                                 {
00234                                         CSynchronized&lt;CConnections&gt;::CAccessor connectionssync( &amp;task-&gt;_Connections );
00235                                         <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00236                                         {
00237                                                 (*ipb)-&gt;Sock-&gt;close();
00238                                         }
00239                                 }
00240 <font class="preprocessor">        #endif</font>
00241 <font class="preprocessor"></font>                                
00242                                 <font class="comment">// Delete the task objects</font>
00243                                 <font class="keyword">delete</font> task;
00244 
00245                                 <font class="comment">// Delete the thread objects</font>
00246                                 <font class="keyword">delete</font> (*ipt);
00247                         }
00248                 }
00249         }
00250 
00251         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Exiting CBufServer::~CBufServer"</font> );
00252 }
00253 
00254 
00255 <font class="comment">/*</font>
00256 <font class="comment"> * Disconnect the specified host</font>
00257 <font class="comment"> * Set hostid to NULL to disconnect all connections.</font>
00258 <font class="comment"> * If hostid is not null and the socket is not connected, the method does nothing.</font>
00259 <font class="comment"> * If quick is true, any pending data will not be sent before disconnecting.</font>
00260 <font class="comment"> */</font>
<a name="l00261"></a><a class="code" href="classNLNET_1_1CBufServer.html#a3">00261</a> <font class="keywordtype">void</font> CBufServer::disconnect( <a class="code" href="namespaceNLNET.html#a0">TSockId</a> hostid, <font class="keywordtype">bool</font> quick )
00262 {
00263         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::disconnect"</font> );
00264         <font class="keywordflow">if</font> ( hostid != InvalidSockId )
00265         {
00266                 <font class="comment">// Disconnect only if physically connected</font>
00267                 <font class="keywordflow">if</font> ( hostid-&gt;Sock-&gt;connected() )
00268                 {
00269                         <font class="keywordflow">if</font> ( ! quick )
00270                         {
00271                                 hostid-&gt;flush();
00272                         }
00273                         hostid-&gt;Sock-&gt;disconnect(); <font class="comment">// the connection will be removed by the next call of update()</font>
00274                 }
00275         }
00276         <font class="keywordflow">else</font>
00277         {
00278                 <font class="comment">// Disconnect all</font>
00279                 CThreadPool::iterator ipt;
00280                 {
00281                         CSynchronized&lt;CThreadPool&gt;::CAccessor poolsync( &amp;<a class="code" href="classNLNET_1_1CBufServer.html#o6">_ThreadPool</a> );
00282                         <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00283                         {
00284                                 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00285                                 CConnections::iterator ipb;
00286                                 {
00287                                         CSynchronized&lt;CConnections&gt;::CAccessor connectionssync( &amp;task-&gt;_Connections );
00288                                         <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00289                                         {
00290                                                 <font class="keywordflow">if</font> ( (*ipb)-&gt;Sock-&gt;connected() )
00291                                                 {
00292                                                         <font class="keywordflow">if</font> ( ! quick )
00293                                                         {
00294                                                                 (*ipb)-&gt;flush();
00295                                                         }
00296                                                         (*ipb)-&gt;Sock-&gt;disconnect();
00297                                                 }
00298                                         }
00299                                 }
00300                         }
00301                 }
00302         }
00303 }
00304 
00305 
00306 <font class="comment">/*</font>
00307 <font class="comment"> * Send a message to the specified host</font>
00308 <font class="comment"> */</font>
00309 <font class="keywordtype">void</font> CBufServer::send( <font class="keyword">const</font> CMemStream&amp; buffer, <a class="code" href="namespaceNLNET.html#a0">TSockId</a> hostid )
00310 {
00311         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::send"</font> );
00312         <a class="code" href="debug_8h.html#a6">nlassert</a>( buffer.length() &gt; 0);
00313         <a class="code" href="debug_8h.html#a6">nlassert</a>( buffer.length() &lt;= <a class="code" href="classNLNET_1_1CBufNetBase.html#a6">maxSentBlockSize</a>() );
00314 
00315         <font class="comment">// slow down the layer H_AUTO (CBufServer_send);</font>
00316 
00317         <font class="keywordflow">if</font> ( hostid != InvalidSockId )
00318         {
00319                 <font class="comment">// debug features, we number all packet to be sure that they are all sent and received</font>
00320                 <font class="comment">// \todo remove this debug feature when ok</font>
00321 <font class="comment">//              nldebug ("send message number %u", hostid-&gt;SendNextValue);</font>
00322 <font class="preprocessor">#ifdef NL_BIG_ENDIAN</font>
00323 <font class="preprocessor"></font>                uint32 val = <a class="code" href="stream_8h.html#a1">NLMISC_BSWAP32</a>(hostid-&gt;SendNextValue);
00324 <font class="preprocessor">#else</font>
00325 <font class="preprocessor"></font>                uint32 val = hostid-&gt;SendNextValue;
00326 <font class="preprocessor">#endif</font>
00327 <font class="preprocessor"></font>
00328                 *(uint32*)buffer.buffer() = val;
00329                 hostid-&gt;SendNextValue++;
00330 
00331                 <a class="code" href="classNLNET_1_1CBufServer.html#b3">pushBufferToHost</a>( buffer, hostid );
00332         }
00333         <font class="keywordflow">else</font>
00334         {
00335                 <font class="comment">// Push into all send queues</font>
00336                 CThreadPool::iterator ipt;
00337                 {
00338                         CSynchronized&lt;CThreadPool&gt;::CAccessor poolsync( &amp;<a class="code" href="classNLNET_1_1CBufServer.html#o6">_ThreadPool</a> );
00339                         <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00340                         {
00341                                 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00342                                 CConnections::iterator ipb;
00343                                 {
00344                                         CSynchronized&lt;CConnections&gt;::CAccessor connectionssync( &amp;task-&gt;_Connections );
00345                                         <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00346                                         {
00347                                                 <font class="comment">// Send only if the socket is logically connected</font>
00348                                                 <font class="keywordflow">if</font> ( (*ipb)-&gt;connectedState() ) 
00349                                                 {
00350                                                         <font class="comment">// debug features, we number all packet to be sure that they are all sent and received</font>
00351                                                         <font class="comment">// \todo remove this debug feature when ok</font>
00352 <font class="comment">//                                                      nldebug ("send message number %u", (*ipb)-&gt;SendNextValue);</font>
00353 <font class="preprocessor">#ifdef NL_BIG_ENDIAN</font>
00354 <font class="preprocessor"></font>                                                        uint32 val = <a class="code" href="stream_8h.html#a1">NLMISC_BSWAP32</a>((*ipb)-&gt;SendNextValue);
00355 <font class="preprocessor">#else</font>
00356 <font class="preprocessor"></font>                                                        uint32 val = (*ipb)-&gt;SendNextValue;
00357 <font class="preprocessor">#endif</font>
00358 <font class="preprocessor"></font>                                                        *(uint32*)buffer.buffer() = val;
00359                                                         (*ipb)-&gt;SendNextValue++;
00360 
00361                                                         <a class="code" href="classNLNET_1_1CBufServer.html#b3">pushBufferToHost</a>( buffer, *ipb );
00362                                                 }
00363                                         }
00364                                 }
00365                         }
00366                 }
00367         }
00368 }
00369 
00370 
00371 <font class="comment">/*</font>
00372 <font class="comment"> * Checks if there are some data to receive</font>
00373 <font class="comment"> */</font>
<a name="l00374"></a><a class="code" href="classNLNET_1_1CBufServer.html#a6">00374</a> <font class="keywordtype">bool</font> CBufServer::dataAvailable()
00375 {
00376         <font class="comment">// slow down the layer H_AUTO (CBufServer_dataAvailable);</font>
00377         {
00378                 <font class="comment">/* If no data available, enter the 'while' loop and return false (1 volatile test)</font>
00379 <font class="comment">                 * If there are user data available, enter the 'while' and return true immediately (1 volatile test + 1 short locking)</font>
00380 <font class="comment">                 * If there is a connection/disconnection event (rare), call the callback and loop</font>
00381 <font class="comment">                 */</font>
00382                 <font class="keywordflow">while</font> ( <a class="code" href="classNLNET_1_1CBufNetBase.html#b7">dataAvailableFlag</a>() )
00383                 {
00384                         <font class="comment">// Because _DataAvailable is true, the receive queue is not empty at this point</font>
00385                         vector&lt;uint8&gt; buffer;
00386                         uint8 val;
00387                         {
00388                                 <a class="code" href="namespaceNLNET.html#a5">CFifoAccessor</a> recvfifo( &amp;<a class="code" href="classNLNET_1_1CBufNetBase.html#b1">receiveQueue</a>() );
00389                                 val = recvfifo.value().frontLast();
00390                                 <font class="keywordflow">if</font> ( val != CBufNetBase::User )
00391                                 {
00392                                         recvfifo.value().front( buffer );
00393                                 }
00394                         }
00395 
00396                         <font class="comment">/*sint32 mbsize = recvfifo.value().size() / 1048576;</font>
00397 <font class="comment">                        if ( mbsize &gt; 0 )</font>
00398 <font class="comment">                        {</font>
00399 <font class="comment">                          nlwarning( "The receive queue size exceeds %d MB", mbsize );</font>
00400 <font class="comment">                        }*/</font>
00401 
00402                         <font class="comment">/*vector&lt;uint8&gt; buffer;</font>
00403 <font class="comment">                        recvfifo.value().front( buffer );*/</font>
00404 
00405                         <font class="comment">// Test if it the next block is a system event</font>
00406                         <font class="comment">//switch ( buffer[buffer.size()-1] )</font>
00407                         <font class="keywordflow">switch</font> ( val )
00408                         {
00409                                 
00410                         <font class="comment">// Normal message available</font>
00411                         <font class="keywordflow">case</font> CBufNetBase::User:
00412                                 <font class="keywordflow">return</font> <font class="keyword">true</font>; <font class="comment">// return immediatly, do not extract the message</font>
00413 
00414                         <font class="comment">// Process disconnection event</font>
00415                         <font class="keywordflow">case</font> CBufNetBase::Disconnection:
00416                         {
00417                                 <a class="code" href="namespaceNLNET.html#a0">TSockId</a> sockid = *((<a class="code" href="namespaceNLNET.html#a0">TSockId</a>*)(&amp;*buffer.begin()));
00418                                 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Disconnection event for %p %s"</font>, sockid, sockid-&gt;asString().c_str());
00419 
00420                                 sockid-&gt;setConnectedState( <font class="keyword">false</font> );
00421 
00422                                 <font class="comment">// Call callback if needed</font>
00423                                 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufNetBase.html#b2">disconnectionCallback</a>() != NULL )
00424                                 {
00425                                         <a class="code" href="classNLNET_1_1CBufNetBase.html#b2">disconnectionCallback</a>()( sockid, <a class="code" href="classNLNET_1_1CBufNetBase.html#b3">argOfDisconnectionCallback</a>() );
00426                                 }
00427 
00428                                 <font class="comment">// Add socket object into the synchronized remove list</font>
00429                                 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Adding the connection to the remove list"</font> );
00430                                 <a class="code" href="debug_8h.html#a6">nlassert</a>( ((<a class="code" href="classNLNET_1_1CBufServer.html#l0">CServerBufSock</a>*)sockid)-&gt;ownerTask() != NULL );
00431                                 ((<a class="code" href="classNLNET_1_1CBufServer.html#l0">CServerBufSock</a>*)sockid)-&gt;ownerTask()-&gt;addToRemoveSet( sockid );
00432                                 <font class="keywordflow">break</font>;
00433                         }
00434                         <font class="comment">// Process connection event</font>
00435                         <font class="keywordflow">case</font> CBufNetBase::Connection:
00436                         {
00437                                 <a class="code" href="namespaceNLNET.html#a0">TSockId</a> sockid = *((<a class="code" href="namespaceNLNET.html#a0">TSockId</a>*)(&amp;*buffer.begin()));
00438                                 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Connection event for %p %s"</font>, sockid, sockid-&gt;asString().c_str());
00439 
00440                                 sockid-&gt;setConnectedState( <font class="keyword">true</font> );
00441                                 
00442                                 <font class="comment">// Call callback if needed</font>
00443                                 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufServer.html#b5">connectionCallback</a>() != NULL )
00444                                 {
00445                                         <a class="code" href="classNLNET_1_1CBufServer.html#b5">connectionCallback</a>()( sockid, <a class="code" href="classNLNET_1_1CBufServer.html#b6">argOfConnectionCallback</a>() );
00446                                 }
00447                                 <font class="keywordflow">break</font>;
00448                         }
00449                         <font class="keywordflow">default</font>: <font class="comment">// should not occur</font>
00450                                 <a class="code" href="debug_8h.html#a1">nlinfo</a>( <font class="stringliteral">"LNETL1: Invalid block type: %hu (should be = to %hu"</font>, (uint16)(buffer[buffer.size()-1]), (uint16)(val) );
00451                                 <a class="code" href="debug_8h.html#a1">nlinfo</a>( <font class="stringliteral">"LNETL1: Buffer (%d B): [%s]"</font>, buffer.size(), stringFromVector(buffer).c_str() );
00452                                 <a class="code" href="debug_8h.html#a1">nlinfo</a>( <font class="stringliteral">"LNETL1: Receive queue:"</font> );
00453                                 {
00454                                         <a class="code" href="namespaceNLNET.html#a5">CFifoAccessor</a> recvfifo( &amp;<a class="code" href="classNLNET_1_1CBufNetBase.html#b1">receiveQueue</a>() );
00455                                         recvfifo.value().display();
00456                                 }
00457                                 <a class="code" href="debug_8h.html#a3">nlerror</a>( <font class="stringliteral">"LNETL1: Invalid system event type in server receive queue"</font> );
00458 
00459                         }
00460 
00461                         <font class="comment">// Extract system event</font>
00462                         {
00463                                 <a class="code" href="namespaceNLNET.html#a5">CFifoAccessor</a> recvfifo( &amp;<a class="code" href="classNLNET_1_1CBufNetBase.html#b1">receiveQueue</a>() );
00464                                 recvfifo.value().pop();
00465                                 <a class="code" href="classNLNET_1_1CBufNetBase.html#b6">setDataAvailableFlag</a>( ! recvfifo.value().empty() );
00466                         }
00467                 }
00468                 <font class="comment">// _DataAvailable is false here</font>
00469                 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00470         }
00471 }
00472 
00473 
00474 <font class="comment">/* // OLD VERSION</font>
00475 <font class="comment">bool CBufServer::dataAvailable()</font>
00476 <font class="comment">{</font>
00477 <font class="comment">        // slow down the layer H_AUTO (CBufServer_dataAvailable);</font>
00478 <font class="comment">        {</font>
00479 <font class="comment">                CFifoAccessor recvfifo( &amp;receiveQueue() );</font>
00480 <font class="comment">                do</font>
00481 <font class="comment">                {</font>
00482 <font class="comment">                        // Check if the receive queue is empty</font>
00483 <font class="comment">                        if ( recvfifo.value().empty() )</font>
00484 <font class="comment">                        {</font>
00485 <font class="comment">                                return false;</font>
00486 <font class="comment">                        }</font>
00487 <font class="comment">                        else</font>
00488 <font class="comment">                        {</font>
00489 <font class="comment">                          //sint32 mbsize = recvfifo.value().size() / 1048576;</font>
00490 <font class="comment">                          //if ( mbsize &gt; 0 )</font>
00491 <font class="comment">                            //{</font>
00492 <font class="comment">                            //  nlwarning( "The receive queue size exceeds %d MB", mbsize );</font>
00493 <font class="comment">                            //}</font>
00494 <font class="comment"></font>
00495 <font class="comment">                                uint8 val = recvfifo.value().frontLast();</font>
00496 <font class="comment">                                </font>
00497 <font class="comment">                                //vector&lt;uint8&gt; buffer;</font>
00498 <font class="comment">                                //recvfifo.value().front( buffer );</font>
00499 <font class="comment"></font>
00500 <font class="comment">                                // Test if it the next block is a system event</font>
00501 <font class="comment">                                //switch ( buffer[buffer.size()-1] )</font>
00502 <font class="comment">                                switch ( val )</font>
00503 <font class="comment">                                {</font>
00504 <font class="comment">                                        </font>
00505 <font class="comment">                                // Normal message available</font>
00506 <font class="comment">                                case CBufNetBase::User:</font>
00507 <font class="comment">                                        return true; // return immediatly, do not extract the message</font>
00508 <font class="comment"></font>
00509 <font class="comment">                                // Process disconnection event</font>
00510 <font class="comment">                                case CBufNetBase::Disconnection:</font>
00511 <font class="comment">                                {</font>
00512 <font class="comment">                                        vector&lt;uint8&gt; buffer;</font>
00513 <font class="comment">                                        recvfifo.value().front( buffer );</font>
00514 <font class="comment"></font>
00515 <font class="comment">                                        TSockId sockid = *((TSockId*)(&amp;*buffer.begin()));</font>
00516 <font class="comment">                                        nldebug( "LNETL1: Disconnection event for %p %s", sockid, sockid-&gt;asString().c_str());</font>
00517 <font class="comment"></font>
00518 <font class="comment">                                        sockid-&gt;setConnectedState( false );</font>
00519 <font class="comment"></font>
00520 <font class="comment">                                        // Call callback if needed</font>
00521 <font class="comment">                                        if ( disconnectionCallback() != NULL )</font>
00522 <font class="comment">                                        {</font>
00523 <font class="comment">                                                disconnectionCallback()( sockid, argOfDisconnectionCallback() );</font>
00524 <font class="comment">                                        }</font>
00525 <font class="comment"></font>
00526 <font class="comment">                                        // Add socket object into the synchronized remove list</font>
00527 <font class="comment">                                        nldebug( "LNETL1: Adding the connection to the remove list" );</font>
00528 <font class="comment">                                        nlassert( ((CServerBufSock*)sockid)-&gt;ownerTask() != NULL );</font>
00529 <font class="comment">                                        ((CServerBufSock*)sockid)-&gt;ownerTask()-&gt;addToRemoveSet( sockid );</font>
00530 <font class="comment">                                        break;</font>
00531 <font class="comment">                                }</font>
00532 <font class="comment">                                // Process connection event</font>
00533 <font class="comment">                                case CBufNetBase::Connection:</font>
00534 <font class="comment">                                {</font>
00535 <font class="comment">                                        vector&lt;uint8&gt; buffer;</font>
00536 <font class="comment">                                        recvfifo.value().front( buffer );</font>
00537 <font class="comment"></font>
00538 <font class="comment">                                        TSockId sockid = *((TSockId*)(&amp;*buffer.begin()));</font>
00539 <font class="comment">                                        nldebug( "LNETL1: Connection event for %p %s", sockid, sockid-&gt;asString().c_str());</font>
00540 <font class="comment"></font>
00541 <font class="comment">                                        sockid-&gt;setConnectedState( true );</font>
00542 <font class="comment">                                        </font>
00543 <font class="comment">                                        // Call callback if needed</font>
00544 <font class="comment">                                        if ( connectionCallback() != NULL )</font>
00545 <font class="comment">                                        {</font>
00546 <font class="comment">                                                connectionCallback()( sockid, argOfConnectionCallback() );</font>
00547 <font class="comment">                                        }</font>
00548 <font class="comment">                                        break;</font>
00549 <font class="comment">                                }</font>
00550 <font class="comment">                                default:</font>
00551 <font class="comment">                                        vector&lt;uint8&gt; buffer;</font>
00552 <font class="comment">                                        recvfifo.value().front( buffer );</font>
00553 <font class="comment"></font>
00554 <font class="comment">                                        nlinfo( "LNETL1: Invalid block type: %hu (should be = to %hu", (uint16)(buffer[buffer.size()-1]), (uint16)(val) );</font>
00555 <font class="comment">                                        nlinfo( "LNETL1: Buffer (%d B): [%s]", buffer.size(), stringFromVector(buffer).c_str() );</font>
00556 <font class="comment">                                        nlinfo( "LNETL1: Receive queue:" );</font>
00557 <font class="comment">                                        recvfifo.value().display();</font>
00558 <font class="comment">                                        nlerror( "LNETL1: Invalid system event type in server receive queue" );</font>
00559 <font class="comment"></font>
00560 <font class="comment">                                }</font>
00561 <font class="comment"></font>
00562 <font class="comment">                                // Extract system event</font>
00563 <font class="comment">                                recvfifo.value().pop();</font>
00564 <font class="comment">                        }</font>
00565 <font class="comment">                }</font>
00566 <font class="comment">                while ( true );</font>
00567 <font class="comment">        }</font>
00568 <font class="comment">}</font>
00569 <font class="comment">*/</font>
00570  
00571 <font class="comment">/*</font>
00572 <font class="comment"> * Receives next block of data in the specified. The length and hostid are output arguments.</font>
00573 <font class="comment"> * Precond: dataAvailable() has returned true, phostid not null</font>
00574 <font class="comment"> */</font>
<a name="l00575"></a><a class="code" href="classNLNET_1_1CBufServer.html#a7">00575</a> <font class="keywordtype">void</font> CBufServer::receive( CMemStream&amp; buffer, <a class="code" href="namespaceNLNET.html#a0">TSockId</a>* phostid )
00576 {
00577         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::receive"</font> );
00578         <font class="comment">//nlassert( dataAvailable() );</font>
00579         <a class="code" href="debug_8h.html#a6">nlassert</a>( phostid != NULL );
00580         {
00581                 <a class="code" href="namespaceNLNET.html#a5">CFifoAccessor</a> recvfifo( &amp;<a class="code" href="classNLNET_1_1CBufNetBase.html#b1">receiveQueue</a>() );
00582                 <a class="code" href="debug_8h.html#a6">nlassert</a>( ! recvfifo.value().empty() );
00583                 recvfifo.value().front( buffer );
00584                 recvfifo.value().pop();
00585                 <a class="code" href="classNLNET_1_1CBufNetBase.html#b6">setDataAvailableFlag</a>( ! recvfifo.value().empty() );
00586         }
00587 
00588         <font class="comment">// Extract hostid (and event type)</font>
00589         *phostid = *((<a class="code" href="namespaceNLNET.html#a0">TSockId</a>*)&amp;(buffer.buffer()[buffer.length()-<font class="keyword">sizeof</font>(TSockId)-1]));
00590         <a class="code" href="debug_8h.html#a6">nlassert</a>( buffer.buffer()[buffer.length()-1] == CBufNetBase::User );
00591 
00592         <font class="comment">// debug features, we number all packet to be sure that they are all sent and received</font>
00593         <font class="comment">// \todo remove this debug feature when ok</font>
00594 <font class="preprocessor">#ifdef NL_BIG_ENDIAN</font>
00595 <font class="preprocessor"></font>        uint32 val = <a class="code" href="stream_8h.html#a1">NLMISC_BSWAP32</a>(*(uint32*)buffer.buffer());
00596 <font class="preprocessor">#else</font>
00597 <font class="preprocessor"></font>        uint32 val = *(uint32*)buffer.buffer();
00598 <font class="preprocessor">#endif</font>
00599 <font class="preprocessor"></font>
00600         <font class="comment">//      nldebug ("receive message number %u", val);</font>
00601         <font class="keywordflow">if</font> ((*phostid)-&gt;ReceiveNextValue != val)
00602         {
00603                 <a class="code" href="debug_8h.html#a2">nlwarning</a> ((<font class="stringliteral">"LNETL1: !!!LOST A MESSAGE!!! I received the message number %u but I'm waiting the message number %u (cnx %s), warn lecroart@nevrax.com with the log now please"</font>, val, (*phostid)-&gt;ReceiveNextValue, (*phostid)-&gt;asString().c_str()));
00604                 <font class="comment">// resync the message number</font>
00605                 (*phostid)-&gt;ReceiveNextValue = val;
00606         }
00607 
00608         (*phostid)-&gt;ReceiveNextValue++;
00609 
00610         buffer.resize( buffer.length()-<font class="keyword">sizeof</font>(TSockId)-1 );
00611 
00612         <font class="comment">// TODO OPTIM remove the nldebug for speed</font>
00613         <font class="comment">//commented for optimisation nldebug( "LNETL1: Read buffer (%d+%d B) from %s", buffer.length(), sizeof(TSockId)+1, /*stringFromVector(buffer).c_str(), */(*phostid)-&gt;asString().c_str() );</font>
00614 
00615         <font class="comment">// Statistics</font>
00616         <a class="code" href="classNLNET_1_1CBufServer.html#o10">_BytesPoppedIn</a> += buffer.length() + <font class="keyword">sizeof</font>(TBlockSize);
00617 }
00618 
00619 
00620 <font class="comment">/*</font>
00621 <font class="comment"> * Update the network (call this method evenly)</font>
00622 <font class="comment"> */</font>
<a name="l00623"></a><a class="code" href="classNLNET_1_1CBufServer.html#a8">00623</a> <font class="keywordtype">void</font> CBufServer::update()
00624 {
00625         <font class="comment">//nlnettrace( "CBufServer::update-BEGIN" );</font>
00626 
00627         <a class="code" href="classNLNET_1_1CBufServer.html#o13">_NbConnections</a> = 0;
00628 
00629         <font class="comment">// For each thread</font>
00630         CThreadPool::iterator ipt;
00631         {
00632           <font class="comment">//nldebug( "UPD: Acquiring the Thread Pool" );</font>
00633                 CSynchronized&lt;CThreadPool&gt;::CAccessor poolsync( &amp;<a class="code" href="classNLNET_1_1CBufServer.html#o6">_ThreadPool</a> );
00634                 <font class="comment">//nldebug( "UPD: Acquired." );</font>
00635                 <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00636                 {
00637                         <font class="comment">// For each thread of the pool</font>
00638                         <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00639                         CConnections::iterator ipb;
00640                         {
00641                                 CSynchronized&lt;CConnections&gt;::CAccessor connectionssync( &amp;task-&gt;_Connections );
00642                                 <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00643                                 {
00644                                     <font class="comment">// For each socket of the thread, update sending</font>
00645                                     <font class="keywordflow">if</font> ( ! ((*ipb)-&gt;Sock-&gt;connected() &amp;&amp; (*ipb)-&gt;update()) )
00646                                     {
00647                                                 <font class="comment">// Update did not work or the socket is not connected anymore</font>
00648                                         <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Socket %s is disconnected"</font>, (*ipb)-&gt;asString().c_str() );
00649                                                 <font class="comment">// Disconnection event if disconnected (known either from flush (in update) or when receiving data)</font>
00650                                                 (*ipb)-&gt;advertiseDisconnection( <font class="keyword">this</font>, *ipb );
00651                                         
00652                                                 <font class="comment">/*if ( (*ipb)-&gt;advertiseDisconnection( this, *ipb ) )</font>
00653 <font class="comment">                                                {</font>
00654 <font class="comment">                                                        // Now the connection removal is in dataAvailable()</font>
00655 <font class="comment">                                                        // POLL6</font>
00656 <font class="comment">                                                }*/</font>
00657                                     }
00658                                     <font class="keywordflow">else</font>
00659                                     {
00660                                                 <a class="code" href="classNLNET_1_1CBufServer.html#o13">_NbConnections</a>++;
00661                                     }
00662                                 }
00663                         }
00664                 }
00665         }
00666 
00667         <font class="comment">//nlnettrace( "CBufServer::update-END" );</font>
00668 }
00669 
<a name="l00670"></a><a class="code" href="classNLNET_1_1CBufServer.html#a9">00670</a> uint32 CBufServer::getSendQueueSize( <a class="code" href="namespaceNLNET.html#a0">TSockId</a> destid )
00671 {
00672         <font class="keywordflow">if</font> ( destid != InvalidSockId )
00673         {
00674                 <font class="keywordflow">return</font> destid-&gt;SendFifo.size();
00675         }
00676         <font class="keywordflow">else</font>
00677         {
00678                 <font class="comment">// add all client buffers</font>
00679 
00680                 uint32 total = 0;
00681 
00682                 <font class="comment">// For each thread</font>
00683                 CThreadPool::iterator ipt;
00684                 {
00685                         CSynchronized&lt;CThreadPool&gt;::CAccessor poolsync( &amp;<a class="code" href="classNLNET_1_1CBufServer.html#o6">_ThreadPool</a> );
00686                         <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00687                         {
00688                                 <font class="comment">// For each thread of the pool</font>
00689                                 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00690                                 CConnections::iterator ipb;
00691                                 {
00692                                         CSynchronized&lt;CConnections&gt;::CAccessor connectionssync( &amp;task-&gt;_Connections );
00693                                         <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00694                                         {
00695                                                 <font class="comment">// For each socket of the thread, update sending</font>
00696                                                 total = (*ipb)-&gt;SendFifo.size ();
00697                                         }
00698                                 }
00699                         }
00700                 }
00701                 <font class="keywordflow">return</font> total;
00702         }
00703 }
00704 
00705 
00706 <font class="comment">/*</font>
00707 <font class="comment"> * Returns the number of bytes received since the previous call to this method</font>
00708 <font class="comment"> */</font>
<a name="l00709"></a><a class="code" href="classNLNET_1_1CBufServer.html#a16">00709</a> uint64 CBufServer::newBytesReceived()
00710 {
00711         uint64 b = <a class="code" href="classNLNET_1_1CBufServer.html#a15">bytesReceived</a>();
00712         uint64 nbrecvd = b - <a class="code" href="classNLNET_1_1CBufServer.html#o11">_PrevBytesPoppedIn</a>;
00713         <font class="comment">//nlinfo( "b: %"NL_I64"u   new: %"NL_I64"u", b, nbrecvd );</font>
00714         <a class="code" href="classNLNET_1_1CBufServer.html#o11">_PrevBytesPoppedIn</a> = b;
00715         <font class="keywordflow">return</font> nbrecvd;
00716 }
00717 
00718 <font class="comment">/*</font>
00719 <font class="comment"> * Returns the number of bytes sent since the previous call to this method</font>
00720 <font class="comment"> */</font>
<a name="l00721"></a><a class="code" href="classNLNET_1_1CBufServer.html#a18">00721</a> uint64 CBufServer::newBytesSent()
00722 {
00723         uint64 b = <a class="code" href="classNLNET_1_1CBufServer.html#a17">bytesSent</a>();
00724         uint64 nbsent = b - <a class="code" href="classNLNET_1_1CBufServer.html#o12">_PrevBytesPushedOut</a>;
00725         <font class="comment">//nlinfo( "b: %"NL_I64"u   new: %"NL_I64"u", b, nbsent );</font>
00726         <a class="code" href="classNLNET_1_1CBufServer.html#o12">_PrevBytesPushedOut</a> = b;
00727         <font class="keywordflow">return</font> nbsent;
00728 }
00729 
00730 
00731 <font class="comment">/***************************************************************************************************</font>
00732 <font class="comment"> * Listen thread</font>
00733 <font class="comment"> **************************************************************************************************/</font>
00734 
00735 
00736 <font class="comment">/*</font>
00737 <font class="comment"> * Code of listening thread</font>
00738 <font class="comment"> */</font>
<a name="l00739"></a><a class="code" href="classNLNET_1_1CListenTask.html#a2">00739</a> <font class="keywordtype">void</font> CListenTask::run()
00740 {
00741         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CListenTask::run"</font> );
00742 
00743 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00744 <font class="preprocessor"></font>        SOCKET descmax;
00745         fd_set readers;
00746         timeval tv;
00747         descmax = <a class="code" href="classNLNET_1_1CListenTask.html#o1">_ListenSock</a>.descriptor()&gt;_WakeUpPipeHandle[PipeRead]?<a class="code" href="classNLNET_1_1CListenTask.html#o1">_ListenSock</a>.descriptor():_WakeUpPipeHandle[PipeRead];
00748 <font class="preprocessor">#endif</font>
00749 <font class="preprocessor"></font>
00750         <font class="comment">// Accept connections</font>
00751         <font class="keywordflow">while</font> ( ! <a class="code" href="classNLNET_1_1CServerTask.html#b1">exitRequired</a>() )
00752         {
00753                 <font class="keywordflow">try</font>
00754                 {
00755                         <font class="comment">// Get and setup the new socket</font>
00756 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00757 <font class="preprocessor"></font>                        FD_ZERO( &amp;readers );
00758                         FD_SET( <a class="code" href="classNLNET_1_1CListenTask.html#o1">_ListenSock</a>.descriptor(), &amp;readers );
00759                         FD_SET( _WakeUpPipeHandle[PipeRead], &amp;readers );
00760                         tv.tv_sec = 60; 
00761                         tv.tv_usec = 0;
00762                         <font class="keywordtype">int</font> <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> = ::select( descmax+1, &amp;readers, NULL, NULL, &amp;tv );
00763 
00764                         <font class="keywordflow">switch</font> ( res )
00765                         {
00766                         <font class="keywordflow">case</font>  0 : <font class="keywordflow">continue</font>; <font class="comment">// time-out expired, no results</font>
00767                         <font class="keywordflow">case</font> -1 :
00768                                 <font class="comment">// we'll ignore message (Interrupted system call) caused by a CTRL-C</font>
00769                                 <font class="keywordflow">if</font> (CSock::getLastError() == 4)
00770                                 {
00771                                         <a class="code" href="debug_8h.html#a0">nldebug</a> (<font class="stringliteral">"LNETL1: Select failed (in listen thread): %s (code %u) but IGNORED"</font>, CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError());
00772                                         <font class="keywordflow">continue</font>;
00773                                 }
00774                                 <a class="code" href="debug_8h.html#a3">nlerror</a>( <font class="stringliteral">"LNETL1: Select failed (in listen thread): %s (code %u)"</font>, CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError() );
00775                         }
00776 
00777                         <font class="keywordflow">if</font> ( FD_ISSET( _WakeUpPipeHandle[PipeRead], &amp;readers ) )
00778                         {
00779                                 uint8 b;
00780                                 <font class="keywordflow">if</font> ( read( _WakeUpPipeHandle[PipeRead], &amp;b, 1 ) == -1 ) <font class="comment">// we were woken-up by the wake-up pipe</font>
00781                                 {
00782                                         <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: In CListenTask::run(): read() failed"</font> );
00783                                 }
00784                                 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: listen thread select woken-up"</font> );
00785                                 <font class="keywordflow">continue</font>;
00786                         }
00787 <font class="preprocessor">#endif</font>
00788 <font class="preprocessor"></font>                        <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Waiting incoming connection..."</font> );
00789                         CServerBufSock *bufsock = <font class="keyword">new</font> CServerBufSock( <a class="code" href="classNLNET_1_1CListenTask.html#o1">_ListenSock</a>.accept() );
00790                         <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"New connection : %s"</font>, bufsock-&gt;asString().c_str() );
00791                         bufsock-&gt;Sock-&gt;setNonBlockingMode( <font class="keyword">true</font> );
00792                         <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CListenTask.html#o0">_Server</a>-&gt;noDelay() )
00793                         {
00794                                 bufsock-&gt;Sock-&gt;setNoDelay( <font class="keyword">true</font> );
00795                         }
00796 
00797                         <font class="comment">// Notify the new connection</font>
00798                         bufsock-&gt;advertiseConnection( <a class="code" href="classNLNET_1_1CListenTask.html#o0">_Server</a> );
00799 
00800                         <font class="comment">// Dispatch the socket into the thread pool</font>
00801                         <a class="code" href="classNLNET_1_1CListenTask.html#o0">_Server</a>-&gt;dispatchNewSocket( bufsock );
00802                 }
00803                 <font class="keywordflow">catch</font> ( ESocket&amp; e )
00804                 {
00805                         <a class="code" href="debug_8h.html#a1">nlinfo</a>( <font class="stringliteral">"Exception in listen thread: %s"</font>, e.what() ); <font class="comment">// It can occur in normal behavior (e.g. when exiting)</font>
00806                         <font class="comment">// It can also occur when too many sockets are open (e.g. 885 connections)</font>
00807                 }
00808         }
00809 
00810         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Exiting CListenTask::run"</font> );
00811 }
00812 
00813 
00814 <font class="comment">/*</font>
00815 <font class="comment"> * Binds a new socket and send buffer to an existing or a new thread</font>
00816 <font class="comment"> * Note: this method is called in the listening thread.</font>
00817 <font class="comment"> */</font>
<a name="l00818"></a><a class="code" href="classNLNET_1_1CBufServer.html#b1">00818</a> <font class="keywordtype">void</font> CBufServer::dispatchNewSocket( CServerBufSock *bufsock )
00819 {
00820         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::dispatchNewSocket"</font> );
00821 
00822         CSynchronized&lt;CThreadPool&gt;::CAccessor poolsync( &amp;<a class="code" href="classNLNET_1_1CBufServer.html#o6">_ThreadPool</a> );
00823         <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufServer.html#o1">_ThreadStrategy</a> == <a class="code" href="classNLNET_1_1CBufServer.html#s2s0">SpreadSockets</a> ) 
00824         {
00825                 <font class="comment">// Find the thread with the smallest number of connections and check if all</font>
00826                 <font class="comment">// threads do not have the same number of connections</font>
00827                 uint <a class="code" href="bit__set_8cpp.html#a0">min</a> = 0xFFFFFFFF;
00828                 uint max = 0;
00829                 CThreadPool::iterator ipt, iptmin, iptmax;
00830                 <font class="keywordflow">for</font> ( iptmin=iptmax=ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00831                 {
00832                         uint noc = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt)-&gt;numberOfConnections();
00833                         <font class="keywordflow">if</font> ( noc &lt; <a class="code" href="bit__set_8cpp.html#a0">min</a> )
00834                         {
00835                                 <a class="code" href="bit__set_8cpp.html#a0">min</a> = noc;
00836                                 iptmin = ipt;
00837                         }
00838                         <font class="keywordflow">if</font> ( noc &gt; max )
00839                         {
00840                                 max = noc;
00841                                 iptmax = ipt;
00842                         }
00843                 }
00844 
00845                 <font class="comment">// Check if we make the pool of threads grow (if we have not found vacant room</font>
00846                 <font class="comment">// and if it is allowed to)</font>
00847                 <font class="keywordflow">if</font> ( (poolsync.value().empty()) ||
00848                          ((<a class="code" href="bit__set_8cpp.html#a0">min</a> == max) &amp;&amp; (poolsync.value().size() &lt; <a class="code" href="classNLNET_1_1CBufServer.html#o2">_MaxThreads</a>)) )
00849                 {
00850                         <a class="code" href="classNLNET_1_1CBufServer.html#b4">addNewThread</a>( poolsync.value(), bufsock );
00851                 }
00852                 <font class="keywordflow">else</font>
00853                 {
00854                         <font class="comment">// Dispatch socket to an existing thread of the pool</font>
00855                         <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(iptmin);
00856                         bufsock-&gt;setOwnerTask( task );
00857                         task-&gt;addNewSocket( bufsock );
00858 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00859 <font class="preprocessor"></font>                        task-&gt;wakeUp();
00860 <font class="preprocessor">#endif                  </font>
00861 <font class="preprocessor"></font>                        
00862                         <font class="keywordflow">if</font> ( <a class="code" href="bit__set_8cpp.html#a0">min</a> &gt;= (uint)<a class="code" href="classNLNET_1_1CBufServer.html#o3">_MaxSocketsPerThread</a> )
00863                         {
00864                                 <a class="code" href="debug_8h.html#a2">nlwarning</a>( <font class="stringliteral">"LNETL1: Exceeding the maximum number of sockets per thread"</font> );
00865                         }
00866                         <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: New socket dispatched to thread %d"</font>, iptmin-poolsync.value().begin() );
00867                 }
00868 
00869         }
00870         <font class="keywordflow">else</font> <font class="comment">// _ThreadStrategy == FillThreads</font>
00871         {
00872                 CThreadPool::iterator ipt;
00873                 <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00874                 {
00875                         uint noc = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt)-&gt;numberOfConnections();
00876                         <font class="keywordflow">if</font> ( noc &lt; <a class="code" href="classNLNET_1_1CBufServer.html#o3">_MaxSocketsPerThread</a> )
00877                         {
00878                                 <font class="keywordflow">break</font>;
00879                         }
00880                 }
00881 
00882                 <font class="comment">// Check if we have to make the thread pool grow (if we have not found vacant room)</font>
00883                 <font class="keywordflow">if</font> ( ipt == poolsync.value().end() )
00884                 {
00885                         <font class="keywordflow">if</font> ( poolsync.value().size() == <a class="code" href="classNLNET_1_1CBufServer.html#o2">_MaxThreads</a> )
00886                         {
00887                                 <a class="code" href="debug_8h.html#a2">nlwarning</a>( <font class="stringliteral">"LNETL1: Exceeding the maximum number of threads"</font> );
00888                         }
00889                         <a class="code" href="classNLNET_1_1CBufServer.html#b4">addNewThread</a>( poolsync.value(), bufsock );
00890                 }
00891                 <font class="keywordflow">else</font>
00892                 {
00893                         <font class="comment">// Dispatch socket to an existing thread of the pool</font>
00894                         <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00895                         bufsock-&gt;setOwnerTask( task );
00896                         task-&gt;addNewSocket( bufsock );
00897 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00898 <font class="preprocessor"></font>                        task-&gt;wakeUp();
00899 <font class="preprocessor">#endif                  </font>
00900 <font class="preprocessor"></font>                        <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: New socket dispatched to thread %d"</font>, ipt-poolsync.value().begin() );
00901                 }
00902         }
00903 }
00904 
00905 
00906 <font class="comment">/*</font>
00907 <font class="comment"> * Creates a new task and run a new thread for it</font>
00908 <font class="comment"> * Precond: bufsock not null</font>
00909 <font class="comment"> */</font>
<a name="l00910"></a><a class="code" href="classNLNET_1_1CBufServer.html#b4">00910</a> <font class="keywordtype">void</font> CBufServer::addNewThread( <a class="code" href="namespaceNLNET.html#a7">CThreadPool</a>&amp; threadpool, CServerBufSock *bufsock )
00911 {
00912         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::addNewThread"</font> );
00913         <a class="code" href="debug_8h.html#a6">nlassert</a>( bufsock != NULL );
00914 
00915         <font class="comment">// Create new task and dispatch the socket to it</font>
00916         <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <font class="keyword">new</font> <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a>( <font class="keyword">this</font> );
00917         bufsock-&gt;setOwnerTask( task );
00918         task-&gt;addNewSocket( bufsock );
00919 
00920         <font class="comment">// Add a new thread to the pool, with this task</font>
00921         IThread *thr = IThread::create( task );
00922         {
00923                 threadpool.push_back( thr );
00924                 thr-&gt;start();
00925                 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Added a new thread; pool size is %d"</font>, threadpool.size() );
00926                 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: New socket dispatched to thread %d"</font>, threadpool.size()-1 );
00927         }
00928 }
00929 
00930 
00931 <font class="comment">/***************************************************************************************************</font>
00932 <font class="comment"> * Receive threads</font>
00933 <font class="comment"> **************************************************************************************************/</font>
00934 
00935 
00936 <font class="comment">/*</font>
00937 <font class="comment"> * Code of receiving threads for servers</font>
00938 <font class="comment"> */</font>
<a name="l00939"></a><a class="code" href="classNLNET_1_1CServerReceiveTask.html#a1">00939</a> <font class="keywordtype">void</font> CServerReceiveTask::run()
00940 {
00941         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CServerReceiveTask::run"</font> );
00942 
00943         SOCKET descmax;
00944         fd_set readers;
00945 
00946         <font class="comment">// Time-out value for select (it can be long because we do not do any thing else in this thread)</font>
00947         timeval tv;
00948 <font class="preprocessor">#if defined NL_OS_UNIX</font>
00949 <font class="preprocessor"></font>        <font class="comment">// POLL7</font>
00950         nice( 2 );
00951 <font class="preprocessor">#endif // NL_OS_UNIX</font>
00952 <font class="preprocessor"></font>        
00953         <font class="comment">// Copy of _Connections</font>
00954         vector&lt;TSockId&gt; connections_copy;       
00955 
00956         <font class="keywordflow">while</font> ( ! <a class="code" href="classNLNET_1_1CServerTask.html#b1">exitRequired</a>() )
00957         {
00958                 <font class="comment">// 1. Remove closed connections</font>
00959                 <a class="code" href="classNLNET_1_1CServerReceiveTask.html#a5">clearClosedConnections</a>();
00960 
00961                 <font class="comment">// POLL8</font>
00962 
00963                 <font class="comment">// 2-SELECT-VERSION : select() on the sockets handled in the present thread</font>
00964 
00965                 descmax = 0;
00966                 FD_ZERO( &amp;readers );
00967                 <font class="keywordtype">bool</font> skip;
00968                 <font class="keywordtype">bool</font> alldisconnected = <font class="keyword">true</font>;
00969                 CConnections::iterator ipb;
00970                 {
00971                         <font class="comment">// Lock _Connections</font>
00972                         CSynchronized&lt;CConnections&gt;::CAccessor connectionssync( &amp;<a class="code" href="classNLNET_1_1CServerReceiveTask.html#o1">_Connections</a> );
00973 
00974                         <font class="comment">// Prepare to avoid select if there is no connection</font>
00975                         skip = connectionssync.value().empty();
00976 
00977                         <font class="comment">// Fill the select array and copy _Connections</font>
00978                         connections_copy.clear();
00979                         <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00980                         {
00981                                 <font class="keywordflow">if</font> ( (*ipb)-&gt;Sock-&gt;connected() ) <font class="comment">// exclude disconnected sockets that are not deleted</font>
00982                                 {
00983                                         alldisconnected = <font class="keyword">false</font>;
00984                                         <font class="comment">// Copy _Connections element</font>
00985                                         connections_copy.push_back( *ipb );
00986 
00987                                         <font class="comment">// Add socket descriptor to the select array</font>
00988                                         FD_SET( (*ipb)-&gt;Sock-&gt;descriptor(), &amp;readers );
00989 
00990                                         <font class="comment">// Calculate descmax for select</font>
00991                                         <font class="keywordflow">if</font> ( (*ipb)-&gt;Sock-&gt;descriptor() &gt; descmax )
00992                                         {
00993                                                 descmax = (*ipb)-&gt;Sock-&gt;descriptor();
00994                                         }
00995                                 }
00996                         }
00997 
00998 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00999 <font class="preprocessor"></font>                        <font class="comment">// Add the wake-up pipe into the select array</font>
01000                         FD_SET( _WakeUpPipeHandle[PipeRead], &amp;readers );
01001                         <font class="keywordflow">if</font> ( _WakeUpPipeHandle[PipeRead]&gt;descmax )
01002                         {
01003                                 descmax = _WakeUpPipeHandle[PipeRead];
01004                         }
01005 <font class="preprocessor">#endif</font>
01006 <font class="preprocessor"></font>                        
01007                         <font class="comment">// Unlock _Connections, use connections_copy instead</font>
01008                 }
01009 
01010 <font class="preprocessor">#ifndef NL_OS_UNIX</font>
01011 <font class="preprocessor"></font>                <font class="comment">// Avoid select if there is no connection (Windows only)</font>
01012                 <font class="keywordflow">if</font> ( skip || alldisconnected )
01013                 {
01014                         <a class="code" href="namespaceNLMISC.html#a236">nlSleep</a>( 1 ); <font class="comment">// nice</font>
01015                         <font class="keywordflow">continue</font>;
01016                 }
01017 <font class="preprocessor">#endif</font>
01018 <font class="preprocessor"></font>
01019 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
01020 <font class="preprocessor"></font>                tv.tv_sec = 0; <font class="comment">// short time because the newly added connections can't be added to the select fd_set</font>
01021                 tv.tv_usec = 10000; <font class="comment">// NEW: set to 500ms because otherwise new connections handling are too slow</font>
01022 <font class="preprocessor">#elif defined NL_OS_UNIX</font>
01023 <font class="preprocessor"></font>                <font class="comment">// POLL7</font>
01024                 tv.tv_sec = 3600;               <font class="comment">// 1 hour (=&gt; 1 select every 3.6 second for 1000 connections)</font>
01025                 tv.tv_usec = 0;
01026 <font class="preprocessor">#endif // NL_OS_WINDOWS</font>
01027 <font class="preprocessor"></font>
01028                 <font class="comment">// Call select</font>
01029                 <font class="keywordtype">int</font> <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> = ::select( descmax+1, &amp;readers, NULL, NULL, &amp;tv );
01030 
01031                 <font class="comment">// POLL9</font>
01032 
01033                 <font class="comment">// 3. Test the result</font>
01034                 <font class="keywordflow">switch</font> ( res )
01035                 {
01036                         <font class="keywordflow">case</font>  0 : <font class="keywordflow">continue</font>; <font class="comment">// time-out expired, no results</font>
01037 
01039                         <font class="keywordflow">case</font> -1 :
01040                                 <font class="comment">// we'll ignore message (Interrupted system call) caused by a CTRL-C</font>
01041                                 <font class="comment">/*if (CSock::getLastError() == 4)</font>
01042 <font class="comment">                                {</font>
01043 <font class="comment">                                        nldebug ("LNETL1: Select failed (in receive thread): %s (code %u) but IGNORED", CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError());</font>
01044 <font class="comment">                                        continue;</font>
01045 <font class="comment">                                }*/</font>
01046                                 <font class="comment">//nlerror( "LNETL1: Select failed (in receive thread): %s (code %u)", CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError() );</font>
01047                                 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Select failed (in receive thread): %s (code %u)"</font>, CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError() );
01048                                 <font class="keywordflow">return</font>;
01049                 }
01050 
01051                 <font class="comment">// 4. Get results</font>
01052 
01053                 vector&lt;TSockId&gt;::iterator ic;
01054                 <font class="keywordflow">for</font> ( ic=connections_copy.begin(); ic!=connections_copy.end(); ++ic )
01055                 {
01056                         <font class="keywordflow">if</font> ( FD_ISSET( (*ic)-&gt;Sock-&gt;descriptor(), &amp;readers ) != 0 )
01057                         {
01058                                 CServerBufSock *serverbufsock = static_cast&lt;CServerBufSock*&gt;(static_cast&lt;CBufSock*&gt;(*ic));
01059                                 <font class="keywordflow">try</font>
01060                                 {
01061                                         <font class="comment">// 4. Receive data</font>
01062                                         <font class="keywordflow">if</font> ( serverbufsock-&gt;receivePart() )
01063                                         {
01064                                                 <font class="comment">// Copy sockid</font>
01065                                                 vector&lt;uint8&gt; hidvec;
01066                                                 hidvec.resize( <font class="keyword">sizeof</font>(<a class="code" href="namespaceNLNET.html#a0">TSockId</a>)+1 );
01067                                                 memcpy( &amp;*hidvec.begin(), &amp;(*ic), <font class="keyword">sizeof</font>(TSockId) );
01068 
01069                                                 <font class="comment">// Add event type to hidvec</font>
01070                                                 hidvec[<font class="keyword">sizeof</font>(TSockId)] = (uint8)CBufNetBase::User;
01071 
01072                                                 <font class="comment">// Push message into receive queue</font>
01073                                                 <font class="comment">//uint32 bufsize;</font>
01074                                                 <font class="comment">//sint32 mbsize;</font>
01075                                                 {
01076                                                         <font class="comment">//nldebug( "RCV: Acquiring the receive queue... ");</font>
01077                                                         <a class="code" href="namespaceNLNET.html#a5">CFifoAccessor</a> recvfifo( &amp;<a class="code" href="classNLNET_1_1CServerReceiveTask.html#o0">_Server</a>-&gt;receiveQueue() );
01078                                                         <font class="comment">//nldebug( "RCV: Acquired, pushing the received buffer... ");</font>
01079                                                         recvfifo.value().push( serverbufsock-&gt;receivedBuffer(), hidvec );
01080                                                         <a class="code" href="classNLNET_1_1CServerReceiveTask.html#o0">_Server</a>-&gt;setDataAvailableFlag( <font class="keyword">true</font> );
01081                                                         <font class="comment">//nldebug( "RCV: Pushed, releasing the receive queue..." );</font>
01082                                                         <font class="comment">//recvfifo.value().display();</font>
01083                                                         <font class="comment">//bufsize = serverbufsock-&gt;receivedBuffer().size();</font>
01084                                                         <font class="comment">//mbsize = recvfifo.value().size() / 1048576;</font>
01085                                                 }
01086                                                 <font class="comment">//nldebug( "RCV: Released." );</font>
01087                                                 <font class="comment">/*if ( mbsize &gt; 1 )</font>
01088 <font class="comment">                                                {</font>
01089 <font class="comment">                                                        nlwarning( "The receive queue size exceeds %d MB", mbsize );</font>
01090 <font class="comment">                                                }*/</font>
01091                                                 <font class="comment">/*</font>
01092 <font class="comment">                                                // Statistics</font>
01093 <font class="comment">                                                {</font>
01094 <font class="comment">                                                        CSynchronized&lt;uint32&gt;::CAccessor syncbpi ( &amp;_Server-&gt;syncBytesPushedIn() );</font>
01095 <font class="comment">                                                        syncbpi.value() += bufsize;</font>
01096 <font class="comment">                                                }</font>
01097 <font class="comment">                                                */</font>
01098                                         }
01099                                 }
01100                                 <font class="keywordflow">catch</font> ( ESocketConnectionClosed&amp; )
01101                                 {
01102                                         <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Connection %s closed"</font>, serverbufsock-&gt;asString().c_str() );
01103                                         <font class="comment">// The socket went to _Connected=false when throwing the exception</font>
01104                                 }
01105                                 <font class="keywordflow">catch</font> ( ESocket&amp; )
01106                                 {
01107                                         <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Connection %s broken"</font>, serverbufsock-&gt;asString().c_str() );
01108                                         (*ic)-&gt;Sock-&gt;disconnect();
01109                                 }
01110 <font class="comment">/*</font>
01111 <font class="comment">#ifdef NL_OS_UNIX</font>
01112 <font class="comment">                                skip = true; // don't check _WakeUpPipeHandle (yes, check it to read any written byte)</font>
01113 <font class="comment">#endif</font>
01114 <font class="comment"></font>
01115 <font class="comment">*/</font>
01116                         }
01117 
01118                 }
01119 
01120 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
01121 <font class="preprocessor"></font>                <font class="comment">// Test wake-up pipe</font>
01122                 <font class="keywordflow">if</font> ( (!skip) &amp;&amp; (FD_ISSET( _WakeUpPipeHandle[PipeRead], &amp;readers )) )
01123                 {
01124                         uint8 b;
01125                         <font class="keywordflow">if</font> ( read( _WakeUpPipeHandle[PipeRead], &amp;b, 1 ) == -1 ) <font class="comment">// we were woken-up by the wake-up pipe</font>
01126                         {
01127                                 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: In CServerReceiveTask::run(): read() failed"</font> );
01128                         }
01129                         <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Receive thread select woken-up"</font> );
01130                 }
01131 <font class="preprocessor">#endif</font>
01132 <font class="preprocessor"></font>                
01133         }
01134         <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Exiting CServerReceiveTask::run"</font> );
01135 }
01136 
01137 
01138 <font class="comment">/*</font>
01139 <font class="comment"> * Delete all connections referenced in the remove list (double-mutexed)</font>
01140 <font class="comment"> */</font>
01141 
<a name="l01142"></a><a class="code" href="classNLNET_1_1CServerReceiveTask.html#a5">01142</a> <font class="keywordtype">void</font> CServerReceiveTask::clearClosedConnections()
01143 {
01144         CConnections::iterator ic;
01145         {
01146                 NLMISC::CSynchronized&lt;CConnections&gt;::CAccessor removesetsync( &amp;<a class="code" href="classNLNET_1_1CServerReceiveTask.html#o2">_RemoveSet</a> );
01147                 {
01148                         <font class="keywordflow">if</font> ( ! removesetsync.value().empty() )
01149                         {
01150                                 <font class="comment">// Delete closed connections</font>
01151                                 NLMISC::CSynchronized&lt;CConnections&gt;::CAccessor connectionssync( &amp;<a class="code" href="classNLNET_1_1CServerReceiveTask.html#o1">_Connections</a> );
01152                                 <font class="keywordflow">for</font> ( ic=removesetsync.value().begin(); ic!=removesetsync.value().end(); ++ic )
01153                                 {
01154                                         <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Removing a connection"</font> );
01155 
01156                                         <a class="code" href="namespaceNLNET.html#a0">TSockId</a> sid = (*ic);
01157 
01158                                         <font class="comment">// Remove from the connection list</font>
01159                                         connectionssync.value().erase( *ic );
01160 
01161                                         <font class="comment">// Delete the socket object</font>
01162                                         <font class="keyword">delete</font> sid;
01163                                 }
01164                                 <font class="comment">// Clear remove list</font>
01165                                 removesetsync.value().clear();
01166                         }
01167                 }
01168         }
01169 }
01170 
01171 
01172 } <font class="comment">// NLNET</font>
</pre></div>

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