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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 <winsock2.h></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 <<a class="code" href="unistd_8h.html">unistd.h</a>></font>
00038 <font class="preprocessor">#include <sys/types.h></font>
00039 <font class="preprocessor">#include <sys/time.h></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<uint32>::CAccessor syncbpi ( &_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>->init( port );
00098 <a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>-><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], &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>-><a class="code" href="classNLMISC_1_1IThread.html#a4">getRunnable</a>()))->requireExit();
00172 ((<a class="code" href="classNLNET_1_1CBufServer.html#l1">CListenTask</a>*)(<a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>-><a class="code" href="classNLMISC_1_1IThread.html#a4">getRunnable</a>()))->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>->wakeUp();
00175 <font class="preprocessor">#endif</font>
00176 <font class="preprocessor"></font> <a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>-><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<CThreadPool>::CAccessor poolsync( &<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->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->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<CConnections>::CAccessor connectionssync( &task->_Connections );
00200 <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00201 {
00202 (*ipb)->Sock->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)->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<CConnections>::CAccessor connectionssync( &task->_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<CConnections>::CAccessor connectionssync( &task->_Connections );
00235 <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00236 {
00237 (*ipb)->Sock->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->Sock->connected() )
00268 {
00269 <font class="keywordflow">if</font> ( ! quick )
00270 {
00271 hostid->flush();
00272 }
00273 hostid->Sock->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<CThreadPool>::CAccessor poolsync( &<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<CConnections>::CAccessor connectionssync( &task->_Connections );
00288 <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00289 {
00290 <font class="keywordflow">if</font> ( (*ipb)->Sock->connected() )
00291 {
00292 <font class="keywordflow">if</font> ( ! quick )
00293 {
00294 (*ipb)->flush();
00295 }
00296 (*ipb)->Sock->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& 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() > 0);
00313 <a class="code" href="debug_8h.html#a6">nlassert</a>( buffer.length() <= <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->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->SendNextValue);
00324 <font class="preprocessor">#else</font>
00325 <font class="preprocessor"></font> uint32 val = hostid->SendNextValue;
00326 <font class="preprocessor">#endif</font>
00327 <font class="preprocessor"></font>
00328 *(uint32*)buffer.buffer() = val;
00329 hostid->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<CThreadPool>::CAccessor poolsync( &<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<CConnections>::CAccessor connectionssync( &task->_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)->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)->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)->SendNextValue);
00355 <font class="preprocessor">#else</font>
00356 <font class="preprocessor"></font> uint32 val = (*ipb)->SendNextValue;
00357 <font class="preprocessor">#endif</font>
00358 <font class="preprocessor"></font> *(uint32*)buffer.buffer() = val;
00359 (*ipb)->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<uint8> buffer;
00386 uint8 val;
00387 {
00388 <a class="code" href="namespaceNLNET.html#a5">CFifoAccessor</a> recvfifo( &<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 > 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<uint8> 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>*)(&*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->asString().c_str());
00419
00420 sockid->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)->ownerTask() != NULL );
00431 ((<a class="code" href="classNLNET_1_1CBufServer.html#l0">CServerBufSock</a>*)sockid)->ownerTask()->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>*)(&*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->asString().c_str());
00439
00440 sockid->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( &<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( &<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( &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 > 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<uint8> 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<uint8> buffer;</font>
00513 <font class="comment"> recvfifo.value().front( buffer );</font>
00514 <font class="comment"></font>
00515 <font class="comment"> TSockId sockid = *((TSockId*)(&*buffer.begin()));</font>
00516 <font class="comment"> nldebug( "LNETL1: Disconnection event for %p %s", sockid, sockid->asString().c_str());</font>
00517 <font class="comment"></font>
00518 <font class="comment"> sockid->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)->ownerTask() != NULL );</font>
00529 <font class="comment"> ((CServerBufSock*)sockid)->ownerTask()->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<uint8> buffer;</font>
00536 <font class="comment"> recvfifo.value().front( buffer );</font>
00537 <font class="comment"></font>
00538 <font class="comment"> TSockId sockid = *((TSockId*)(&*buffer.begin()));</font>
00539 <font class="comment"> nldebug( "LNETL1: Connection event for %p %s", sockid, sockid->asString().c_str());</font>
00540 <font class="comment"></font>
00541 <font class="comment"> sockid->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<uint8> 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& 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( &<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>*)&(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)->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)->ReceiveNextValue, (*phostid)->asString().c_str()));
00604 <font class="comment">// resync the message number</font>
00605 (*phostid)->ReceiveNextValue = val;
00606 }
00607
00608 (*phostid)->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)->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<CThreadPool>::CAccessor poolsync( &<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<CConnections>::CAccessor connectionssync( &task->_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)->Sock->connected() && (*ipb)->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)->asString().c_str() );
00649 <font class="comment">// Disconnection event if disconnected (known either from flush (in update) or when receiving data)</font>
00650 (*ipb)->advertiseDisconnection( <font class="keyword">this</font>, *ipb );
00651
00652 <font class="comment">/*if ( (*ipb)->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->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<CThreadPool>::CAccessor poolsync( &<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<CConnections>::CAccessor connectionssync( &task->_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)->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()>_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( &readers );
00758 FD_SET( <a class="code" href="classNLNET_1_1CListenTask.html#o1">_ListenSock</a>.descriptor(), &readers );
00759 FD_SET( _WakeUpPipeHandle[PipeRead], &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, &readers, NULL, NULL, &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], &readers ) )
00778 {
00779 uint8 b;
00780 <font class="keywordflow">if</font> ( read( _WakeUpPipeHandle[PipeRead], &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->asString().c_str() );
00791 bufsock->Sock->setNonBlockingMode( <font class="keyword">true</font> );
00792 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CListenTask.html#o0">_Server</a>->noDelay() )
00793 {
00794 bufsock->Sock->setNoDelay( <font class="keyword">true</font> );
00795 }
00796
00797 <font class="comment">// Notify the new connection</font>
00798 bufsock->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>->dispatchNewSocket( bufsock );
00802 }
00803 <font class="keywordflow">catch</font> ( ESocket& 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<CThreadPool>::CAccessor poolsync( &<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)->numberOfConnections();
00833 <font class="keywordflow">if</font> ( noc < <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 > 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) && (poolsync.value().size() < <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->setOwnerTask( task );
00857 task->addNewSocket( bufsock );
00858 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00859 <font class="preprocessor"></font> task->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> >= (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)->numberOfConnections();
00876 <font class="keywordflow">if</font> ( noc < <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->setOwnerTask( task );
00896 task->addNewSocket( bufsock );
00897 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00898 <font class="preprocessor"></font> task->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>& 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->setOwnerTask( task );
00918 task->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->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<TSockId> 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( &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<CConnections>::CAccessor connectionssync( &<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)->Sock->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)->Sock->descriptor(), &readers );
00989
00990 <font class="comment">// Calculate descmax for select</font>
00991 <font class="keywordflow">if</font> ( (*ipb)->Sock->descriptor() > descmax )
00992 {
00993 descmax = (*ipb)->Sock->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], &readers );
01001 <font class="keywordflow">if</font> ( _WakeUpPipeHandle[PipeRead]>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 (=> 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, &readers, NULL, NULL, &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<TSockId>::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)->Sock->descriptor(), &readers ) != 0 )
01057 {
01058 CServerBufSock *serverbufsock = static_cast<CServerBufSock*>(static_cast<CBufSock*>(*ic));
01059 <font class="keywordflow">try</font>
01060 {
01061 <font class="comment">// 4. Receive data</font>
01062 <font class="keywordflow">if</font> ( serverbufsock->receivePart() )
01063 {
01064 <font class="comment">// Copy sockid</font>
01065 vector<uint8> hidvec;
01066 hidvec.resize( <font class="keyword">sizeof</font>(<a class="code" href="namespaceNLNET.html#a0">TSockId</a>)+1 );
01067 memcpy( &*hidvec.begin(), &(*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( &<a class="code" href="classNLNET_1_1CServerReceiveTask.html#o0">_Server</a>->receiveQueue() );
01078 <font class="comment">//nldebug( "RCV: Acquired, pushing the received buffer... ");</font>
01079 recvfifo.value().push( serverbufsock->receivedBuffer(), hidvec );
01080 <a class="code" href="classNLNET_1_1CServerReceiveTask.html#o0">_Server</a>->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->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 > 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<uint32>::CAccessor syncbpi ( &_Server->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& )
01101 {
01102 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Connection %s closed"</font>, serverbufsock->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& )
01106 {
01107 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Connection %s broken"</font>, serverbufsock->asString().c_str() );
01108 (*ic)->Sock->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) && (FD_ISSET( _WakeUpPipeHandle[PipeRead], &readers )) )
01123 {
01124 uint8 b;
01125 <font class="keywordflow">if</font> ( read( _WakeUpPipeHandle[PipeRead], &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<CConnections>::CAccessor removesetsync( &<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<CConnections>::CAccessor connectionssync( &<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>
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