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<h1>NLNET::CServerReceiveTask Class Reference</h1><code>#include <<a class="el" href="a05513.html">buf_server.h</a>></code>
<p>
<p>Inheritance diagram for NLNET::CServerReceiveTask:
<p><center><img src="a03366.png" usemap="#NLNET::CServerReceiveTask_map" border="0" alt=""></center>
<map name="NLNET::CServerReceiveTask_map">
<area href="a02187.html" alt="NLMISC::IRunnable" shape="rect" coords="0,0,178,24">
<area href="a02771.html" alt="NLNET::CServerTask" shape="rect" coords="188,0,366,24">
</map>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Code of receiving threads for servers. Note: the methods locations in the classes do not correspond to the threads where they are executed, but to the data they use.
<p>
<p>
Definition at line <a class="el" href="a05513.html#l00410">410</a> of file <a class="el" href="a05513.html">buf_server.h</a>.<table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaska0">addNewSocket</a> (<a class="el" href="a02303.html">TSockId</a> sockid)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a new connection into this thread (mutexed on _Connections). <a href="#NLNET_1_1CServerReceiveTaska0"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaska1">addToRemoveSet</a> (<a class="el" href="a02303.html">TSockId</a> sockid)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaska2">clearClosedConnections</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Delete all connections referenced in the remove list (mutexed on _RemoveSet and on _Connections). <a href="#NLNET_1_1CServerReceiveTaska2"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top> </td><td class="memItemRight" valign=bottom><a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaska3">CServerReceiveTask</a> (<a class="el" href="a02302.html">CBufServer</a> *server)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#NLNET_1_1CServerReceiveTaska3"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="a02187.html#NLMISC_1_1IRunnablePosa0">getName</a> (std::string &result) const </td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a04558.html#a15">uint</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaska5">numberOfConnections</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of connections handled by the thread (mutexed on _Connections). <a href="#NLNET_1_1CServerReceiveTaska5"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a02771.html#NLNET_1_1CServerTaska0">requireExit</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Tells the task to exit. <a href="#NLNET_1_1CServerTaska0"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaska7">run</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Run. <a href="#NLNET_1_1CServerReceiveTaska7"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a02302.html">CBufServer</a> * </td><td class="memItemRight" valign=bottom><a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaska8">server</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Access to the server. <a href="#NLNET_1_1CServerReceiveTaska8"></a><br><br></td></tr>
<tr><td colspan=2><br><h2>Data Fields</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a04558.html#a11">uint32</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a02771.html#NLNET_1_1CServerTasko0">NbLoop</a></td></tr>
<tr><td colspan=2><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>bool </td><td class="memItemRight" valign=bottom><a class="el" href="a02771.html#NLNET_1_1CServerTaskb1">exitRequired</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns true if the <a class="el" href="a02771.html#NLNET_1_1CServerTaska0">requireExit()</a> has been called. <a href="#NLNET_1_1CServerTaskb1"></a><br><br></td></tr>
<tr><td colspan=2><br><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>NLMISC::CSynchronized< <a class="el" href="a05379.html#a82">CConnections</a> > </td><td class="memItemRight" valign=bottom><a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaskr0">_Connections</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>NLMISC::CSynchronized< <a class="el" href="a05379.html#a82">CConnections</a> > </td><td class="memItemRight" valign=bottom><a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaskr1">_RemoveSet</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a02302.html">CBufServer</a> * </td><td class="memItemRight" valign=bottom><a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaskr2">_Server</a></td></tr>
<tr><td colspan=2><br><h2>Friends</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>class </td><td class="memItemRight" valign=bottom><a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaskn0">CBufServer</a></td></tr>
</table>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="NLNET_1_1CServerReceiveTaska3" doxytag="NLNET::CServerReceiveTask::CServerReceiveTask" ></a><p>
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<td class="mdRow">
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<td class="md" nowrap valign="top"> NLNET::CServerReceiveTask::CServerReceiveTask </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="a02302.html">CBufServer</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>server</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Constructor.
<p>
<p>
Definition at line <a class="el" href="a05513.html#l00415">415</a> of file <a class="el" href="a05513.html">buf_server.h</a>.
<p>
References <a class="el" href="a05513.html#l00487">_Connections</a>, and <a class="el" href="a05513.html#l00490">_RemoveSet</a>.
<p>
<div class="fragment"><pre>00415 : <a class="code" href="a02771.html#NLNET_1_1CServerTaskb0">CServerTask</a>(), <a class="code" href="a03366.html#NLNET_1_1CServerReceiveTaskr2">_Server</a>(server), <a class="code" href="a03366.html#NLNET_1_1CServerReceiveTaskr0">_Connections</a>(<span class="stringliteral">"CServerReceiveTask::_Connections"</span>), <a class="code" href="a03366.html#NLNET_1_1CServerReceiveTaskr1">_RemoveSet</a>(<span class="stringliteral">"CServerReceiveTask::_RemoveSet"</span>) {}
</pre></div> </td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="NLNET_1_1CServerReceiveTaska0" doxytag="NLNET::CServerReceiveTask::addNewSocket" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
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<td class="md" nowrap valign="top"> void NLNET::CServerReceiveTask::addNewSocket </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="a02303.html">TSockId</a> </td>
<td class="mdname1" valign="top" nowrap> <em>sockid</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Add a new connection into this thread (mutexed on _Connections).
<p>
<p>
Definition at line <a class="el" href="a05513.html#l00432">432</a> of file <a class="el" href="a05513.html">buf_server.h</a>.
<p>
References <a class="el" href="a05513.html#l00487">_Connections</a>, <a class="el" href="a05622.html#l00290">nlassert</a>, and <a class="el" href="a05511.html#l00042">NLNET::TSockId</a>.
<p>
Referenced by <a class="el" href="a05512.html#l00958">NLNET::CBufServer::addNewThread()</a>, and <a class="el" href="a05512.html#l00866">NLNET::CBufServer::dispatchNewSocket()</a>.
<p>
<div class="fragment"><pre>00433 {
00434 <span class="comment">//nlnettrace( "CServerReceiveTask::addNewSocket" );</span>
00435 <a class="code" href="a04199.html#a6">nlassert</a>( sockid != InvalidSockId );
00436 {
00437 NLMISC::CSynchronized<CConnections>::CAccessor connectionssync( &_Connections );
00438 connectionssync.value().insert( sockid );
00439 }
00440 <span class="comment">// POLL3</span>
00441 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="NLNET_1_1CServerReceiveTaska1" doxytag="NLNET::CServerReceiveTask::addToRemoveSet" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
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<td class="md" nowrap valign="top"> void NLNET::CServerReceiveTask::addToRemoveSet </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="a02303.html">TSockId</a> </td>
<td class="mdname1" valign="top" nowrap> <em>sockid</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Add connection to the remove set (mutexed on _RemoveSet) Note: you must not call this method within a mutual exclusion on _Connections, or there will be a deadlock (see clearClosedConnection())
<p>
Definition at line <a class="el" href="a05513.html#l00449">449</a> of file <a class="el" href="a05513.html">buf_server.h</a>.
<p>
References <a class="el" href="a05513.html#l00490">_RemoveSet</a>, <a class="el" href="a05622.html#l00290">nlassert</a>, <a class="el" href="a05515.html#l00040">nlnettrace</a>, and <a class="el" href="a05511.html#l00042">NLNET::TSockId</a>.
<p>
<div class="fragment"><pre>00450 {
00451 <a class="code" href="a04092.html#a0">nlnettrace</a>( <span class="stringliteral">"CServerReceiveTask::addToRemoveSet"</span> );
00452 <a class="code" href="a04199.html#a6">nlassert</a>( sockid != InvalidSockId );
00453 {
00454 <span class="comment">// Three possibilities :</span>
00455 <span class="comment">// - The value is inserted into the set.</span>
00456 <span class="comment">// - The value is already present in the set.</span>
00457 <span class="comment">// - The set is locked by a receive thread which is removing the closed connections.</span>
00458 <span class="comment">// When the set gets unlocked, it is empty so the value is inserted. It means the</span>
00459 <span class="comment">// value could be already in the set before it was cleared.</span>
00460 <span class="comment">// Note: with a fonction such as tryAcquire(), we could avoid to enter the mutex</span>
00461 <span class="comment">// when it is already locked</span>
00462 <span class="comment">// See clearClosedConnections().</span>
00463 NLMISC::CSynchronized<CConnections>::CAccessor removesetsync( &_RemoveSet );
00464 removesetsync.value().insert( sockid );
00465 <span class="comment">//nldebug( "LNETL1: ic: %p - RemoveSet.size(): %d", ic, removesetsync.value().size() );</span>
00466 }
00467 <span class="preprocessor">#ifdef NL_OS_UNIX</span>
00468 <span class="preprocessor"></span> wakeUp();
00469 <span class="preprocessor">#endif</span>
00470 <span class="preprocessor"></span> }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="NLNET_1_1CServerReceiveTaska2" doxytag="NLNET::CServerReceiveTask::clearClosedConnections" ></a><p>
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<td class="md" nowrap valign="top"> void NLNET::CServerReceiveTask::clearClosedConnections </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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<td>
</td>
<td>
<p>
Delete all connections referenced in the remove list (mutexed on _RemoveSet and on _Connections).
<p>
<p>
Definition at line <a class="el" href="a05512.html#l01191">1191</a> of file <a class="el" href="a05512.html">buf_server.cpp</a>.
<p>
References <a class="el" href="a05513.html#l00487">_Connections</a>, <a class="el" href="a05513.html#l00490">_RemoveSet</a>, <a class="el" href="a05622.html#l00101">nldebug</a>, and <a class="el" href="a05511.html#l00042">NLNET::TSockId</a>.
<p>
Referenced by <a class="el" href="a05512.html#l00987">run()</a>.
<p>
<div class="fragment"><pre>01192 {
01193 CConnections::iterator ic;
01194 {
01195 NLMISC::CSynchronized<CConnections>::CAccessor removesetsync( &_RemoveSet );
01196 {
01197 <span class="keywordflow">if</span> ( ! removesetsync.value().empty() )
01198 {
01199 <span class="comment">// Delete closed connections</span>
01200 NLMISC::CSynchronized<CConnections>::CAccessor connectionssync( &_Connections );
01201 <span class="keywordflow">for</span> ( ic=removesetsync.value().begin(); ic!=removesetsync.value().end(); ++ic )
01202 {
01203 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"LNETL1: Removing a connection"</span> );
01204
01205 <a class="code" href="a05379.html#a74">TSockId</a> sid = (*ic);
01206
01207 <span class="comment">// Remove from the connection list</span>
01208 connectionssync.value().erase( *ic );
01209
01210 <span class="comment">// Delete the socket object</span>
01211 <span class="keyword">delete</span> sid;
01212 }
01213 <span class="comment">// Clear remove list</span>
01214 removesetsync.value().clear();
01215 }
01216 }
01217 }
01218 }
</pre></div> </td>
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<a class="anchor" name="NLNET_1_1CServerTaskb1" doxytag="NLNET::CServerReceiveTask::exitRequired" ></a><p>
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<td class="md" nowrap valign="top"> bool NLNET::CServerTask::exitRequired </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline, protected, inherited]</code></td>
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</td>
<td>
<p>
Returns true if the <a class="el" href="a02771.html#NLNET_1_1CServerTaska0">requireExit()</a> has been called.
<p>
<p>
Definition at line <a class="el" href="a05513.html#l00071">71</a> of file <a class="el" href="a05513.html">buf_server.h</a>.
<p>
References <a class="el" href="a05513.html#l00080">NLNET::CServerTask::_ExitRequired</a>.
<p>
Referenced by <a class="el" href="a05512.html#l00987">run()</a>, and <a class="el" href="a05512.html#l00779">NLNET::CListenTask::run()</a>.
<p>
<div class="fragment"><pre>00071 { <span class="keywordflow">return</span> _ExitRequired; }
</pre></div> </td>
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<a class="anchor" name="NLMISC_1_1IRunnablePosa0" doxytag="NLNET::CServerReceiveTask::getName" ></a><p>
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<td class="md" nowrap valign="top"> virtual void NLMISC::IRunnable::getName </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">std::string & </td>
<td class="mdname1" valign="top" nowrap> <em>result</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline, virtual, inherited]</code></td>
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<td>
</td>
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<p>
<p>
Reimplemented in <a class="el" href="a02220.html#NL3D_1_1CAsyncFileManager3D_1_1CMeshLoada1">NL3D::CAsyncFileManager3D::CMeshLoad</a>, <a class="el" href="a02218.html#NL3D_1_1CAsyncFileManager3D_1_1CIGLoada1">NL3D::CAsyncFileManager3D::CIGLoad</a>, <a class="el" href="a02219.html#NL3D_1_1CAsyncFileManager3D_1_1CIGLoadUsera1">NL3D::CAsyncFileManager3D::CIGLoadUser</a>, <a class="el" href="a02222.html#NL3D_1_1CAsyncFileManager3D_1_1CTextureLoada1">NL3D::CAsyncFileManager3D::CTextureLoad</a>, <a class="el" href="a03752.html#NL3D_1_1CZoneLoadingTaska1">NL3D::CZoneLoadingTask</a>, <a class="el" href="a02593.html#NLPACS_1_1CGlobalRetriever_1_1CLrLoadera1">NLPACS::CGlobalRetriever::CLrLoader</a>, <a class="el" href="a02223.html#NLMISC_1_1CAsyncFileManager_1_1CFileLoada1">NLMISC::CAsyncFileManager::CFileLoad</a>, <a class="el" href="a02224.html#NLMISC_1_1CAsyncFileManager_1_1CMultipleFileLoada1">NLMISC::CAsyncFileManager::CMultipleFileLoad</a>, and <a class="el" href="a02225.html#NLMISC_1_1CAsyncFileManager_1_1CSignala1">NLMISC::CAsyncFileManager::CSignal</a>.
<p>
Definition at line <a class="el" href="a06535.html#l00074">74</a> of file <a class="el" href="a06535.html">thread.h</a>.
<p>
Referenced by <a class="el" href="a06485.html#l00061">NLMISC::CTaskManager::run()</a>.
<p>
<div class="fragment"><pre>00075 {
00076 result = <span class="stringliteral">"NoName"</span>;
00077 }
</pre></div> </td>
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<a class="anchor" name="NLNET_1_1CServerReceiveTaska5" doxytag="NLNET::CServerReceiveTask::numberOfConnections" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a04558.html#a15">uint</a> NLNET::CServerReceiveTask::numberOfConnections </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline]</code></td>
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</td>
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<p>
Returns the number of connections handled by the thread (mutexed on _Connections).
<p>
<p>
Definition at line <a class="el" href="a05513.html#l00421">421</a> of file <a class="el" href="a05513.html">buf_server.h</a>.
<p>
References <a class="el" href="a05513.html#l00487">_Connections</a>, and <a class="el" href="a05981.html#l00105">uint</a>.
<p>
Referenced by <a class="el" href="a05512.html#l00866">NLNET::CBufServer::dispatchNewSocket()</a>.
<p>
<div class="fragment"><pre>00422 {
00423 <a class="code" href="a04558.html#a15">uint</a> nb;
00424 {
00425 NLMISC::CSynchronized<CConnections>::CAccessor connectionssync( &_Connections );
00426 nb = connectionssync.value().size();
00427 }
00428 <span class="keywordflow">return</span> nb;
00429 }
</pre></div> </td>
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<a class="anchor" name="NLNET_1_1CServerTaska0" doxytag="NLNET::CServerReceiveTask::requireExit" ></a><p>
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<td class="md" nowrap valign="top"> void NLNET::CServerTask::requireExit </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline, inherited]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Tells the task to exit.
<p>
<p>
Definition at line <a class="el" href="a05513.html#l00056">56</a> of file <a class="el" href="a05513.html">buf_server.h</a>.
<p>
References <a class="el" href="a05513.html#l00080">NLNET::CServerTask::_ExitRequired</a>.
<p>
Referenced by <a class="el" href="a05512.html#l00166">NLNET::CBufServer::~CBufServer()</a>.
<p>
<div class="fragment"><pre>00056 { _ExitRequired = <span class="keyword">true</span>; }
</pre></div> </td>
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</table>
<a class="anchor" name="NLNET_1_1CServerReceiveTaska7" doxytag="NLNET::CServerReceiveTask::run" ></a><p>
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<td class="md" nowrap valign="top"> void NLNET::CServerReceiveTask::run </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Run.
<p>
<p>
<dl compact><dt><b><a class="el" href="todo.html#_todo000032">Todo:</a></b></dt><dd>cado: the error code is not properly retrieved</dd></dl>
<p>
Implements <a class="el" href="a02187.html#NLMISC_1_1IRunnablePosa1">NLMISC::IRunnable</a>.
<p>
Definition at line <a class="el" href="a05512.html#l00987">987</a> of file <a class="el" href="a05512.html">buf_server.cpp</a>.
<p>
References <a class="el" href="a05513.html#l00487">_Connections</a>, <a class="el" href="a05514.html#l00329">NLNET::CBufSock::asString()</a>, <a class="el" href="a05511.html#l00056">NLNET::CFifoAccessor</a>, <a class="el" href="a05512.html#l01191">clearClosedConnections()</a>, <a class="el" href="a05513.html#l00071">NLNET::CServerTask::exitRequired()</a>, <a class="el" href="a05515.html#l00368">NLNET::CServerBufSock::fillSockIdAndEventType()</a>, <a class="el" href="a05510.html#l00036">NLNET::NbNetworkTask</a>, <a class="el" href="a05512.html#l00049">NLNET::NbServerReceiveTask</a>, <a class="el" href="a05622.html#l00101">nldebug</a>, <a class="el" href="a05515.html#l00040">nlnettrace</a>, <a class="el" href="a05586.html#l00073">NLMISC::nlSleep()</a>, <a class="el" href="a05515.html#l00308">NLNET::CNonBlockingBufSock::receivedBuffer()</a>, <a class="el" href="a05514.html#l00386">NLNET::CNonBlockingBufSock::receivePart()</a>, <a class="el" href="a05511.html#l00154">NLNET::CBufNetBase::receiveQueue()</a>, <a class="el" href="a05646.html#l01119">res</a>, <a class="el" href="a05511.html#l00203">NLNET::CBufNetBase::setDataAvailableFlag()</a>, <a class="el" href="a05511.html#l00042">NLNET::TSockId</a>, and <a class="el" href="a05981.html#l00096">uint8</a>.
<p>
<div class="fragment"><pre>00988 {
00989 <a class="code" href="a05379.html#a8">NbNetworkTask</a>++;
00990 <a class="code" href="a05379.html#a10">NbServerReceiveTask</a>++;
00991 <a class="code" href="a04092.html#a0">nlnettrace</a>( <span class="stringliteral">"CServerReceiveTask::run"</span> );
00992
00993 SOCKET descmax;
00994 fd_set readers;
00995
00996 <span class="comment">// Time-out value for select (it can be long because we do not do any thing else in this thread)</span>
00997 timeval tv;
00998 <span class="preprocessor">#if defined NL_OS_UNIX</span>
00999 <span class="preprocessor"></span> <span class="comment">// POLL7</span>
01000 nice( 2 );
01001 <span class="preprocessor">#endif // NL_OS_UNIX</span>
01002 <span class="preprocessor"></span>
01003 <span class="comment">// Copy of _Connections</span>
01004 vector<TSockId> connections_copy;
01005
01006 <span class="keywordflow">while</span> ( ! <a class="code" href="a02771.html#NLNET_1_1CServerTaskb1">exitRequired</a>() )
01007 {
01008 <span class="comment">// 1. Remove closed connections</span>
01009 <a class="code" href="a03366.html#NLNET_1_1CServerReceiveTaska2">clearClosedConnections</a>();
01010
01011 <span class="comment">// POLL8</span>
01012
01013 <span class="comment">// 2-SELECT-VERSION : select() on the sockets handled in the present thread</span>
01014
01015 descmax = 0;
01016 FD_ZERO( &readers );
01017 <span class="keywordtype">bool</span> skip;
01018 <span class="keywordtype">bool</span> alldisconnected = <span class="keyword">true</span>;
01019 CConnections::iterator ipb;
01020 {
01021 <span class="comment">// Lock _Connections</span>
01022 CSynchronized<CConnections>::CAccessor connectionssync( &_Connections );
01023
01024 <span class="comment">// Prepare to avoid select if there is no connection</span>
01025 skip = connectionssync.value().empty();
01026
01027 <span class="comment">// Fill the select array and copy _Connections</span>
01028 connections_copy.clear();
01029 <span class="keywordflow">for</span> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
01030 {
01031 <span class="keywordflow">if</span> ( (*ipb)->Sock->connected() ) <span class="comment">// exclude disconnected sockets that are not deleted</span>
01032 {
01033 alldisconnected = <span class="keyword">false</span>;
01034 <span class="comment">// Copy _Connections element</span>
01035 connections_copy.push_back( *ipb );
01036
01037 <span class="comment">// Add socket descriptor to the select array</span>
01038 FD_SET( (*ipb)->Sock->descriptor(), &readers );
01039
01040 <span class="comment">// Calculate descmax for select</span>
01041 <span class="keywordflow">if</span> ( (*ipb)->Sock->descriptor() > descmax )
01042 {
01043 descmax = (*ipb)->Sock->descriptor();
01044 }
01045 }
01046 }
01047
01048 <span class="preprocessor">#ifdef NL_OS_UNIX</span>
01049 <span class="preprocessor"></span> <span class="comment">// Add the wake-up pipe into the select array</span>
01050 FD_SET( _WakeUpPipeHandle[PipeRead], &readers );
01051 <span class="keywordflow">if</span> ( _WakeUpPipeHandle[PipeRead]>descmax )
01052 {
01053 descmax = _WakeUpPipeHandle[PipeRead];
01054 }
01055 <span class="preprocessor">#endif</span>
01056 <span class="preprocessor"></span>
01057 <span class="comment">// Unlock _Connections, use connections_copy instead</span>
01058 }
01059
01060 <span class="preprocessor">#ifndef NL_OS_UNIX</span>
01061 <span class="preprocessor"></span> <span class="comment">// Avoid select if there is no connection (Windows only)</span>
01062 <span class="keywordflow">if</span> ( skip || alldisconnected )
01063 {
01064 <a class="code" href="a05378.html#a256">nlSleep</a>( 1 ); <span class="comment">// nice</span>
01065 <span class="keywordflow">continue</span>;
01066 }
01067 <span class="preprocessor">#endif</span>
01068 <span class="preprocessor"></span>
01069 <span class="preprocessor">#ifdef NL_OS_WINDOWS</span>
01070 <span class="preprocessor"></span> tv.tv_sec = 0; <span class="comment">// short time because the newly added connections can't be added to the select fd_set</span>
01071 tv.tv_usec = 10000; <span class="comment">// NEW: set to 500ms because otherwise new connections handling are too slow</span>
01072 <span class="preprocessor">#elif defined NL_OS_UNIX</span>
01073 <span class="preprocessor"></span> <span class="comment">// POLL7</span>
01074 tv.tv_sec = 3600; <span class="comment">// 1 hour (=> 1 select every 3.6 second for 1000 connections)</span>
01075 tv.tv_usec = 0;
01076 <span class="preprocessor">#endif // NL_OS_WINDOWS</span>
01077 <span class="preprocessor"></span>
01078 <span class="comment">// Call select</span>
01079 <span class="keywordtype">int</span> <a class="code" href="a04223.html#a643">res</a> = ::select( descmax+1, &readers, NULL, NULL, &tv );
01080
01081 <span class="comment">// POLL9</span>
01082
01083 <span class="comment">// 3. Test the result</span>
01084 <span class="keywordflow">switch</span> ( <a class="code" href="a04223.html#a643">res</a> )
01085 {
01086 <span class="keywordflow">case</span> 0 : <span class="keywordflow">continue</span>; <span class="comment">// time-out expired, no results</span>
01087
01089 <span class="keywordflow">case</span> -1 :
01090 <span class="comment">// we'll ignore message (Interrupted system call) caused by a CTRL-C</span>
01091 <span class="comment">/*if (CSock::getLastError() == 4)</span>
01092 <span class="comment"> {</span>
01093 <span class="comment"> nldebug ("LNETL1: Select failed (in receive thread): %s (code %u) but IGNORED", CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError());</span>
01094 <span class="comment"> continue;</span>
01095 <span class="comment"> }*/</span>
01096 <span class="comment">//nlerror( "LNETL1: Select failed (in receive thread): %s (code %u)", CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError() );</span>
01097 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"LNETL1: Select failed (in receive thread): %s (code %u)"</span>, CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError() );
01098 <span class="keywordflow">goto</span> end;
01099 }
01100
01101 <span class="comment">// 4. Get results</span>
01102
01103 vector<TSockId>::iterator ic;
01104 <span class="keywordflow">for</span> ( ic=connections_copy.begin(); ic!=connections_copy.end(); ++ic )
01105 {
01106 <span class="keywordflow">if</span> ( FD_ISSET( (*ic)->Sock->descriptor(), &readers ) != 0 )
01107 {
01108 CServerBufSock *serverbufsock = static_cast<CServerBufSock*>(static_cast<CBufSock*>(*ic));
01109 <span class="keywordflow">try</span>
01110 {
01111 <span class="comment">// 4. Receive data</span>
01112 <span class="keywordflow">if</span> ( serverbufsock->receivePart( <span class="keyword">sizeof</span>(TSockId) + 1 ) ) <span class="comment">// +1 for the event type</span>
01113 {
01114 serverbufsock->fillSockIdAndEventType( *ic );
01115
01116 <span class="comment">// Push message into receive queue</span>
01117 <span class="comment">//uint32 bufsize;</span>
01118 <span class="comment">//sint32 mbsize;</span>
01119 {
01120 <span class="comment">//nldebug( "RCV: Acquiring the receive queue... ");</span>
01121 <a class="code" href="a05379.html#a79">CFifoAccessor</a> recvfifo( &<a class="code" href="a03366.html#NLNET_1_1CServerReceiveTaskr2">_Server</a>->receiveQueue() );
01122 <span class="comment">//nldebug( "RCV: Acquired, pushing the received buffer... ");</span>
01123 recvfifo.value().push( serverbufsock->receivedBuffer() );
01124
01125 <a class="code" href="a03366.html#NLNET_1_1CServerReceiveTaskr2">_Server</a>->setDataAvailableFlag( <span class="keyword">true</span> );
01126
01127 <span class="comment">//nldebug( "RCV: Pushed, releasing the receive queue..." );</span>
01128 <span class="comment">//recvfifo.value().display();</span>
01129 <span class="comment">//bufsize = serverbufsock->receivedBuffer().size();</span>
01130 <span class="comment">//mbsize = recvfifo.value().size() / 1048576;</span>
01131 }
01132 <span class="comment">//nldebug( "RCV: Released." );</span>
01133 <span class="comment">/*if ( mbsize > 1 )</span>
01134 <span class="comment"> {</span>
01135 <span class="comment"> nlwarning( "The receive queue size exceeds %d MB", mbsize );</span>
01136 <span class="comment"> }*/</span>
01137 <span class="comment">/*</span>
01138 <span class="comment"> // Statistics</span>
01139 <span class="comment"> {</span>
01140 <span class="comment"> CSynchronized<uint32>::CAccessor syncbpi ( &_Server->syncBytesPushedIn() );</span>
01141 <span class="comment"> syncbpi.value() += bufsize;</span>
01142 <span class="comment"> }</span>
01143 <span class="comment"> */</span>
01144 }
01145 }
01146 <span class="keywordflow">catch</span> ( ESocketConnectionClosed& )
01147 {
01148 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"LNETL1: Connection %s closed"</span>, serverbufsock->asString().c_str() );
01149 <span class="comment">// The socket went to _Connected=false when throwing the exception</span>
01150 }
01151 <span class="keywordflow">catch</span> ( ESocket& )
01152 {
01153 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"LNETL1: Connection %s broken"</span>, serverbufsock->asString().c_str() );
01154 (*ic)->Sock->disconnect();
01155 }
01156 <span class="comment">/*</span>
01157 <span class="comment">#ifdef NL_OS_UNIX</span>
01158 <span class="comment"> skip = true; // don't check _WakeUpPipeHandle (yes, check it to read any written byte)</span>
01159 <span class="comment">#endif</span>
01160 <span class="comment"></span>
01161 <span class="comment">*/</span>
01162 }
01163 }
01164
01165 <span class="preprocessor">#ifdef NL_OS_UNIX</span>
01166 <span class="preprocessor"></span> <span class="comment">// Test wake-up pipe</span>
01167 <span class="keywordflow">if</span> ( (!skip) && (FD_ISSET( _WakeUpPipeHandle[PipeRead], &readers )) )
01168 {
01169 <a class="code" href="a04558.html#a7">uint8</a> b;
01170 <span class="keywordflow">if</span> ( read( _WakeUpPipeHandle[PipeRead], &b, 1 ) == -1 ) <span class="comment">// we were woken-up by the wake-up pipe</span>
01171 {
01172 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"LNETL1: In CServerReceiveTask::run(): read() failed"</span> );
01173 }
01174 <a class="code" href="a04199.html#a0">nldebug</a>( <span class="stringliteral">"LNETL1: Receive thread select woken-up"</span> );
01175 }
01176 <span class="preprocessor">#endif</span>
01177 <span class="preprocessor"></span>
01178 <a class="code" href="a02771.html#NLNET_1_1CServerTasko0">NbLoop</a>++;
01179 }
01180 end:
01181 <a class="code" href="a04092.html#a0">nlnettrace</a>( <span class="stringliteral">"Exiting CServerReceiveTask::run"</span> );
01182 <a class="code" href="a05379.html#a10">NbServerReceiveTask</a>--;
01183 <a class="code" href="a05379.html#a8">NbNetworkTask</a>--;
01184 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="NLNET_1_1CServerReceiveTaska8" doxytag="NLNET::CServerReceiveTask::server" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a02302.html">CBufServer</a>* NLNET::CServerReceiveTask::server </td>
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Access to the server.
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Definition at line <a class="el" href="a05513.html#l00476">476</a> of file <a class="el" href="a05513.html">buf_server.h</a>.
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<div class="fragment"><pre>00476 { <span class="keywordflow">return</span> <a class="code" href="a03366.html#NLNET_1_1CServerReceiveTaskr2">_Server</a>; }
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<hr><h2>Friends And Related Function Documentation</h2>
<a class="anchor" name="NLNET_1_1CServerReceiveTaskn0" doxytag="NLNET::CServerReceiveTask::CBufServer" ></a><p>
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<td class="md" nowrap valign="top"> friend class <a class="el" href="a02302.html">CBufServer</a><code> [friend]</code>
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Definition at line <a class="el" href="a05513.html#l00478">478</a> of file <a class="el" href="a05513.html">buf_server.h</a>. </td>
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<hr><h2>Field Documentation</h2>
<a class="anchor" name="NLNET_1_1CServerReceiveTaskr0" doxytag="NLNET::CServerReceiveTask::_Connections" ></a><p>
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<td class="md" nowrap valign="top"> NLMISC::CSynchronized<<a class="el" href="a05379.html#a82">CConnections</a>> <a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaskr0">NLNET::CServerReceiveTask::_Connections</a><code> [private]</code>
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Definition at line <a class="el" href="a05513.html#l00487">487</a> of file <a class="el" href="a05513.html">buf_server.h</a>.
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Referenced by <a class="el" href="a05513.html#l00432">addNewSocket()</a>, <a class="el" href="a05512.html#l01191">clearClosedConnections()</a>, <a class="el" href="a05513.html#l00415">CServerReceiveTask()</a>, <a class="el" href="a05512.html#l00251">NLNET::CBufServer::disconnect()</a>, <a class="el" href="a05512.html#l00713">NLNET::CBufServer::displaySendQueueStat()</a>, <a class="el" href="a05512.html#l00660">NLNET::CBufServer::getSendQueueSize()</a>, <a class="el" href="a05513.html#l00421">numberOfConnections()</a>, <a class="el" href="a05512.html#l00987">run()</a>, <a class="el" href="a05512.html#l00299">NLNET::CBufServer::send()</a>, <a class="el" href="a05512.html#l00613">NLNET::CBufServer::update()</a>, and <a class="el" href="a05512.html#l00166">NLNET::CBufServer::~CBufServer()</a>. </td>
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<a class="anchor" name="NLNET_1_1CServerReceiveTaskr1" doxytag="NLNET::CServerReceiveTask::_RemoveSet" ></a><p>
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<td class="md" nowrap valign="top"> NLMISC::CSynchronized<<a class="el" href="a05379.html#a82">CConnections</a>> <a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaskr1">NLNET::CServerReceiveTask::_RemoveSet</a><code> [private]</code>
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Definition at line <a class="el" href="a05513.html#l00490">490</a> of file <a class="el" href="a05513.html">buf_server.h</a>.
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Referenced by <a class="el" href="a05513.html#l00449">addToRemoveSet()</a>, <a class="el" href="a05512.html#l01191">clearClosedConnections()</a>, and <a class="el" href="a05513.html#l00415">CServerReceiveTask()</a>. </td>
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<a class="anchor" name="NLNET_1_1CServerReceiveTaskr2" doxytag="NLNET::CServerReceiveTask::_Server" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a02302.html">CBufServer</a>* <a class="el" href="a03366.html#NLNET_1_1CServerReceiveTaskr2">NLNET::CServerReceiveTask::_Server</a><code> [private]</code>
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Definition at line <a class="el" href="a05513.html#l00482">482</a> of file <a class="el" href="a05513.html">buf_server.h</a>. </td>
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<a class="anchor" name="NLNET_1_1CServerTasko0" doxytag="NLNET::CServerReceiveTask::NbLoop" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a04558.html#a11">uint32</a> <a class="el" href="a02771.html#NLNET_1_1CServerTasko0">NLNET::CServerTask::NbLoop</a><code> [inherited]</code>
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Definition at line <a class="el" href="a05513.html#l00063">63</a> of file <a class="el" href="a05513.html">buf_server.h</a>.
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Referenced by <a class="el" href="a05512.html#l00695">NLNET::CBufServer::displayThreadStat()</a>. </td>
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<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="a05513.html">buf_server.h</a><li><a class="el" href="a05512.html">buf_server.cpp</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 14:03:40 2004 for NeL by
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