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<hr><h1>buf_sock.cpp</h1><a href="buf__sock_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__sock_8h.html">nel/net/buf_sock.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="buf__server_8h.html">nel/net/buf_server.h</a>"</font>
00032
00033 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00034 <font class="preprocessor"></font><font class="preprocessor">#include <winsock2.h></font>
00035 <font class="preprocessor">#elif defined NL_OS_UNIX</font>
00036 <font class="preprocessor"></font><font class="preprocessor">#include <netinet/in.h></font>
00037 <font class="preprocessor">#endif</font>
00038 <font class="preprocessor"></font>
00039 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00040 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00041
00042
00043 <font class="keyword">namespace </font>NLNET {
00044
00045
00046 NLMISC::CMutex <a class="code" href="namespaceNLNET.html#a87">nettrace_mutex</a>(<font class="stringliteral">"nettrace_mutex"</font>);
00047
00048
00049 <font class="comment">/*</font>
00050 <font class="comment"> * Constructor</font>
00051 <font class="comment"> */</font>
<a name="l00052"></a><a class="code" href="classNLNET_1_1CBufSock.html#b0">00052</a> CBufSock::CBufSock( CTcpSock *sock ) :
00053 SendNextValue(0),
00054 ReceiveNextValue(0),
00055 Sock( sock ),
00056 _KnowConnected( false ),
00057 _LastFlushTime( 0 ),
00058 _TriggerTime( 20 ),
00059 _TriggerSize( -1 ),
00060 _RTSBIndex( 0 ),
00061 _AppId( 0 ),
00062 _ConnectedState( false )
00063 {
00064 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufSock::CBufSock"</font> ); <font class="comment">// don't define a global object</font>
00065
00066 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a> == NULL )
00067 {
00068 <a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a> = <font class="keyword">new</font> CTcpSock();
00069 }
00070
00071 <font class="preprocessor">#ifdef NL_DEBUG</font>
00072 <font class="preprocessor"></font> _FlushTrigger = FTManual;
00073 <font class="preprocessor">#endif</font>
00074 <font class="preprocessor"></font> <a class="code" href="classNLNET_1_1CBufSock.html#o0">_LastFlushTime</a> = CTime::getLocalTime();
00075 }
00076
00077
00078 <font class="comment">/*</font>
00079 <font class="comment"> * Destructor</font>
00080 <font class="comment"> */</font>
<a name="l00081"></a><a class="code" href="classNLNET_1_1CBufSock.html#a0">00081</a> CBufSock::~CBufSock()
00082 {
00083 <a class="code" href="debug_8h.html#a6">nlassert</a> (<font class="keyword">this</font> != InvalidSockId); <font class="comment">// invalid bufsock</font>
00084
00085 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufSock::~CBufSock"</font> );
00086
00087 <font class="keyword">delete</font> <a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a>; <font class="comment">// the socket disconnects automatically if needed</font>
00088
00089 <font class="comment">// destroy the structur to be sure that other people will not access to this anymore</font>
00090 <a class="code" href="classNLNET_1_1CBufSock.html#m0">AuthorizedCallback</a> = <font class="stringliteral">""</font>;
00091 <a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a> = NULL;
00092 <a class="code" href="classNLNET_1_1CBufSock.html#n2">_KnowConnected</a> = <font class="keyword">false</font>;
00093 <a class="code" href="classNLNET_1_1CBufSock.html#o0">_LastFlushTime</a> = 0;
00094 <a class="code" href="classNLNET_1_1CBufSock.html#o1">_TriggerTime</a> = 0;
00095 <a class="code" href="classNLNET_1_1CBufSock.html#o2">_TriggerSize</a> = 0;
00096 <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z301_0">clear</a> ();
00097 <a class="code" href="classNLNET_1_1CBufSock.html#o4">_RTSBIndex</a> = 0;
00098 <a class="code" href="classNLNET_1_1CBufSock.html#o5">_AppId</a> = 0;
00099 <a class="code" href="classNLNET_1_1CBufSock.html#o6">_ConnectedState</a> = <font class="keyword">false</font>;
00100 }
00101
00102
00103 <font class="comment">/*</font>
00104 <font class="comment"> * Returns a readable string from a vector of bytes, beginning from pos, limited to 'len' characters. '\0' are replaced by ' '</font>
00105 <font class="comment"> */</font>
00106 string <a class="code" href="namespaceNLNET.html#a88">stringFromVectorPart</a>( <font class="keyword">const</font> vector<uint8>& <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, uint32 pos, uint32 len )
00107 {
00108 <a class="code" href="debug_8h.html#a8">nlassertex</a>( pos+len <= <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.size(), (<font class="stringliteral">"pos=%u len=%u size=%u"</font>, pos, len, <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.size()) );
00109
00110 string <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>;
00111 <font class="keywordflow">if</font> ( (! <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.empty()) && (len!=0) )
00112 {
00113 <font class="comment">// Copy contents</font>
00114 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.resize( len );
00115 memcpy( &*<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.begin(), &*<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.begin()+pos, len );
00116
00117 <font class="comment">// Replace '\0' characters</font>
00118 string::iterator is;
00119 <font class="keywordflow">for</font> ( is=<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.begin(); is!=<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>.end(); ++is )
00120 {
00121 <font class="keywordflow">if</font> ( ! isprint((uint8)(*is)) || (*is) == <font class="charliteral">'%'</font> )
00122 {
00123 (*is) = <font class="charliteral">'?'</font>;
00124 }
00125 }
00126 }
00127
00128 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>;
00129 }
00130
00131
00132 <font class="comment">/*</font>
00133 <font class="comment"> * Force to send all data pending in the send queue</font>
00134 <font class="comment"> * Note: this method is used by clients (blocking sockets) and servers (non-blocking sockets)</font>
00135 <font class="comment"> * so it works in both cases.</font>
00136 <font class="comment"> * Precond: the send queue should not contain an empty block</font>
00137 <font class="comment"> */</font>
<a name="l00138"></a><a class="code" href="classNLNET_1_1CBufSock.html#z347_3">00138</a> <font class="keywordtype">bool</font> CBufSock::flush()
00139 {
00140 <a class="code" href="debug_8h.html#a6">nlassert</a> (<font class="keyword">this</font> != InvalidSockId); <font class="comment">// invalid bufsock</font>
00141 <font class="comment">//nlnettrace( "CBufSock::flush" );</font>
00142
00143 <font class="comment">// Copy data from the send queue to _ReadyToSendBuffer</font>
00144 <a class="code" href="namespaceNLNET.html#a6">TBlockSize</a> netlen;
00145 <font class="comment">// vector<uint8> tmpbuffer;</font>
00146
00147 <font class="comment">// Process each element in the send queue</font>
00148 <font class="keywordflow">while</font> ( ! <a class="code" href="classNLNET_1_1CBufSock.html#n0">SendFifo</a>.<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a>() )
00149 {
00150 uint8 *tmpbuffer;
00151 uint32 size;
00152 <a class="code" href="classNLNET_1_1CBufSock.html#n0">SendFifo</a>.<a class="code" href="classNLMISC_1_1CBufFIFO.html#a6">front</a>( tmpbuffer, size );
00153
00154 <font class="comment">// Compute the size and add it into the beginning of the buffer</font>
00155 netlen = htonl( (<a class="code" href="namespaceNLNET.html#a6">TBlockSize</a>)size );
00156 uint32 oldBufferSize = <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>();
00157 <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z301_1">resize</a> (oldBufferSize+<font class="keyword">sizeof</font>(<a class="code" href="namespaceNLNET.html#a6">TBlockSize</a>)+size);
00158 *(<a class="code" href="namespaceNLNET.html#a6">TBlockSize</a>*)&(<a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>[oldBufferSize])=netlen;
00159
00160 <font class="comment">// Append the temporary buffer to the global buffer</font>
00161 CFastMem::memcpy (&<a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>[oldBufferSize+<font class="keyword">sizeof</font>(<a class="code" href="namespaceNLNET.html#a6">TBlockSize</a>)], tmpbuffer, size);
00162 <a class="code" href="classNLNET_1_1CBufSock.html#n0">SendFifo</a>.<a class="code" href="classNLMISC_1_1CBufFIFO.html#a10">pop</a>();
00163 }
00164
00165 <font class="comment">// Actual sending of _ReadyToSendBuffer</font>
00166 <font class="comment">//if ( ! _ReadyToSendBuffer.empty() )</font>
00167 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>() != 0 )
00168 {
00169 <font class="comment">// Send</font>
00170 CSock::TSockResult <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a>;
00171 <a class="code" href="namespaceNLNET.html#a6">TBlockSize</a> len = <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>() - <a class="code" href="classNLNET_1_1CBufSock.html#o4">_RTSBIndex</a>;
00172
00173 <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> = <a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a>->send( <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_2">getPtr</a>()+<a class="code" href="classNLNET_1_1CBufSock.html#o4">_RTSBIndex</a>, len, <font class="keyword">false</font> );
00174
00175 <font class="keywordflow">if</font> ( <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> == CSock::Ok )
00176 {
00177 <font class="comment">/* // Debug display</font>
00178 <font class="comment"> switch ( _FlushTrigger )</font>
00179 <font class="comment"> {</font>
00180 <font class="comment"> case FTTime : nldebug( "LNETL1: Time triggered flush for %s:", asString().c_str() ); break;</font>
00181 <font class="comment"> case FTSize : nldebug( "LNETL1: Size triggered flush for %s:", asString().c_str() ); break;</font>
00182 <font class="comment"> default: nldebug( "LNETL1: Manual flush for %s:", asString().c_str() );</font>
00183 <font class="comment"> }</font>
00184 <font class="comment"> _FlushTrigger = FTManual;</font>
00185 <font class="comment"> nldebug( "LNETL1: %s sent effectively a buffer (%d on %d B)", asString().c_str(), len, _ReadyToSendBuffer.size() );</font>
00186 <font class="comment">*/</font>
00187
00188 <font class="comment">// TODO OPTIM remove the nldebug for speed</font>
00189 <font class="comment">//commented for optimisation nldebug( "LNETL1: %s sent effectively %u/%u bytes (pos %u wantedsend %u)", asString().c_str(), len, _ReadyToSendBuffer.size(), _RTSBIndex, realLen/*, stringFromVectorPart(_ReadyToSendBuffer,_RTSBIndex,len).c_str()*/ );</font>
00190
00191 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufSock.html#o4">_RTSBIndex</a>+len == <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>() ) <font class="comment">// for non-blocking mode (server)</font>
00192 {
00193 <font class="comment">// If sending is ok, clear the global buffer</font>
00194 <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z301_0">clear</a>();
00195 <a class="code" href="classNLNET_1_1CBufSock.html#o4">_RTSBIndex</a> = 0;
00196 }
00197 <font class="keywordflow">else</font>
00198 {
00199 <font class="comment">// Or clear only the data that was actually sent</font>
00200 <a class="code" href="debug_8h.html#a8">nlassertex</a>( <a class="code" href="classNLNET_1_1CBufSock.html#o4">_RTSBIndex</a>+len < <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>(), (<font class="stringliteral">"index=%u len=%u size=%u"</font>, <a class="code" href="classNLNET_1_1CBufSock.html#o4">_RTSBIndex</a>, len, <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>()) );
00201 <a class="code" href="classNLNET_1_1CBufSock.html#o4">_RTSBIndex</a> += len;
00202 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>() > 20480 ) <font class="comment">// if big, clear data already sent</font>
00203 {
00204 uint nbcpy = <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>() - len;
00205 <font class="keywordflow">for</font> (uint i = 0; i < nbcpy; i++)
00206 {
00207 <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>[i] = <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>[i+len];
00208 }
00209 <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z301_1">resize</a>(nbcpy);
00210 <font class="comment">//_ReadyToSendBuffer.erase( _ReadyToSendBuffer.begin(), _ReadyToSendBuffer.begin()+len );</font>
00211 <a class="code" href="classNLNET_1_1CBufSock.html#o4">_RTSBIndex</a> = 0;
00212 }
00213 }
00214 }
00215 <font class="keywordflow">else</font>
00216 {
00217 <font class="preprocessor">#ifdef NL_DEBUG</font>
00218 <font class="preprocessor"></font> <font class="comment">// can happen in a normal behavior if, for example, the other side is not connect anymore</font>
00219 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: %s failed to send effectively a buffer of %d bytes"</font>, <a class="code" href="classNLNET_1_1CBufSock.html#a3">asString</a>().c_str(), <a class="code" href="classNLNET_1_1CBufSock.html#o3">_ReadyToSendBuffer</a>.<a class="code" href="classNLMISC_1_1CObjectVector.html#z302_0">size</a>() );
00220 <font class="preprocessor">#endif</font>
00221 <font class="preprocessor"></font> <font class="keywordflow">return</font> <font class="keyword">false</font>;
00222 }
00223 }
00224
00225 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00226 }
00227
00228
00229 <font class="comment">/* Sets the time flush trigger (in millisecond). When this time is elapsed,</font>
00230 <font class="comment"> * all data in the send queue is automatically sent (-1 to disable this trigger)</font>
00231 <font class="comment"> */</font>
<a name="l00232"></a><a class="code" href="classNLNET_1_1CBufSock.html#z347_1">00232</a> <font class="keywordtype">void</font> CBufSock::setTimeFlushTrigger( sint32 ms )
00233 {
00234 <a class="code" href="debug_8h.html#a6">nlassert</a> (<font class="keyword">this</font> != InvalidSockId); <font class="comment">// invalid bufsock</font>
00235 <a class="code" href="classNLNET_1_1CBufSock.html#o1">_TriggerTime</a> = ms;
00236 <a class="code" href="classNLNET_1_1CBufSock.html#o0">_LastFlushTime</a> = CTime::getLocalTime();
00237 }
00238
00239
00240 <font class="comment">/*</font>
00241 <font class="comment"> * Update the network sending (call this method evenly). Returns false if an error occured.</font>
00242 <font class="comment"> */</font>
<a name="l00243"></a><a class="code" href="classNLNET_1_1CBufSock.html#z347_0">00243</a> <font class="keywordtype">bool</font> CBufSock::update()
00244 {
00245 <a class="code" href="debug_8h.html#a6">nlassert</a> (<font class="keyword">this</font> != InvalidSockId); <font class="comment">// invalid bufsock</font>
00246 <font class="comment">// nlnettrace( "CBufSock::update-BEGIN" );</font>
00247 <font class="comment">// Time trigger</font>
00248
00249 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufSock.html#o1">_TriggerTime</a> != -1 )
00250 {
00251 <a class="code" href="namespaceNLMISC.html#a183">TTime</a> now = CTime::getLocalTime();
00252 <font class="keywordflow">if</font> ( (sint32)(now-<a class="code" href="classNLNET_1_1CBufSock.html#o0">_LastFlushTime</a>) >= <a class="code" href="classNLNET_1_1CBufSock.html#o1">_TriggerTime</a> )
00253 {
00254 <font class="preprocessor">#ifdef NL_DEBUG</font>
00255 <font class="preprocessor"></font> _FlushTrigger = FTTime;
00256 <font class="preprocessor">#endif</font>
00257 <font class="preprocessor"></font> <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufSock.html#z347_3">flush</a>() )
00258 {
00259 <a class="code" href="classNLNET_1_1CBufSock.html#o0">_LastFlushTime</a> = now;
00260 <font class="comment">// nlnettrace ( "CBufSock::update-END time 1" );</font>
00261 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00262 }
00263 <font class="keywordflow">else</font>
00264 {
00265 <font class="comment">// nlnettrace ( "CBufSock::update-END time 0" );</font>
00266 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00267 }
00268 }
00269 }
00270 <font class="comment">// Size trigger</font>
00271 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufSock.html#o2">_TriggerSize</a> != -1 )
00272 {
00273 <font class="keywordflow">if</font> ( (sint32)<a class="code" href="classNLNET_1_1CBufSock.html#n0">SendFifo</a>.<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>() > <a class="code" href="classNLNET_1_1CBufSock.html#o2">_TriggerSize</a> )
00274 {
00275 <font class="preprocessor">#ifdef NL_DEBUG</font>
00276 <font class="preprocessor"></font> _FlushTrigger = FTSize;
00277 <font class="preprocessor">#endif</font>
00278 <font class="preprocessor"></font><font class="comment">// nlnettrace( "CBufSock::update-END size" );</font>
00279 <font class="keywordflow">return</font> <a class="code" href="classNLNET_1_1CBufSock.html#z347_3">flush</a>();
00280 }
00281 }
00282 <font class="comment">// nlnettrace( "CBufSock::update-END nosend" );</font>
00283 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00284 }
00285
00286
00287 <font class="comment">/*</font>
00288 <font class="comment"> * Connects to the specified addr; set connectedstate to true if no connection advertising is needed</font>
00289 <font class="comment"> * Precond: not connected</font>
00290 <font class="comment"> */</font>
<a name="l00291"></a><a class="code" href="classNLNET_1_1CBufSock.html#b5">00291</a> <font class="keywordtype">void</font> CBufSock::connect( <font class="keyword">const</font> CInetAddress& <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>, <font class="keywordtype">bool</font> nodelay, <font class="keywordtype">bool</font> connectedstate )
00292 {
00293 <a class="code" href="debug_8h.html#a6">nlassert</a> (<font class="keyword">this</font> != InvalidSockId); <font class="comment">// invalid bufsock</font>
00294 <a class="code" href="debug_8h.html#a6">nlassert</a>( ! <a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a>->connected() );
00295
00296 <a class="code" href="classNLNET_1_1CBufSock.html#m1">SendNextValue</a> = <a class="code" href="classNLNET_1_1CBufSock.html#m2">ReceiveNextValue</a> = 0;
00297
00298 <a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a>->connect( <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a> );
00299 <a class="code" href="classNLNET_1_1CBufSock.html#o6">_ConnectedState</a> = connectedstate;
00300 <a class="code" href="classNLNET_1_1CBufSock.html#n2">_KnowConnected</a> = connectedstate;
00301 <font class="keywordflow">if</font> ( nodelay )
00302 {
00303 <a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a>->setNoDelay( <font class="keyword">true</font> );
00304 }
00305 }
00306
00307
00308 <font class="comment">/*</font>
00309 <font class="comment"> * Disconnects; set connectedstate to false if no disconnection advertising is needed</font>
00310 <font class="comment"> */</font>
<a name="l00311"></a><a class="code" href="classNLNET_1_1CBufSock.html#b6">00311</a> <font class="keywordtype">void</font> CBufSock::disconnect( <font class="keywordtype">bool</font> connectedstate )
00312 {
00313 <a class="code" href="debug_8h.html#a6">nlassert</a> (<font class="keyword">this</font> != InvalidSockId); <font class="comment">// invalid bufsock</font>
00314 <a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a>->disconnect();
00315 <a class="code" href="classNLNET_1_1CBufSock.html#o6">_ConnectedState</a> = connectedstate;
00316 <a class="code" href="classNLNET_1_1CBufSock.html#n2">_KnowConnected</a> = connectedstate;
00317
00318 <a class="code" href="classNLNET_1_1CBufSock.html#m1">SendNextValue</a> = <a class="code" href="classNLNET_1_1CBufSock.html#m2">ReceiveNextValue</a> = 0;
00319 }
00320
00321
00322 <font class="comment">/*</font>
00323 <font class="comment"> * Returns a string with the characteristics of the object</font>
00324 <font class="comment"> */</font>
<a name="l00325"></a><a class="code" href="classNLNET_1_1CBufSock.html#a3">00325</a> string CBufSock::asString()<font class="keyword"> const</font>
00326 <font class="keyword"></font>{
00327 stringstream ss;
00328 <font class="keywordflow">if</font> (<font class="keyword">this</font> == InvalidSockId) <font class="comment">// tricky</font>
00329 ss << <font class="stringliteral">"<Null>"</font>;
00330 <font class="keywordflow">else</font>
00331 {
00332 <font class="comment">// if it crashs here, it means that the CBufSock was deleted and you try to access to the virtual table that is empty</font>
00333 <font class="comment">// because the object is destroyed.</font>
00334 ss << <a class="code" href="classNLNET_1_1CBufSock.html#b1">typeStr</a>();
00335 ss << hex << <font class="keyword">this</font> << dec << <font class="stringliteral">" (socket "</font>;
00336
00337 <font class="keywordflow">if</font> (<a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a> == NULL)
00338 ss << <font class="stringliteral">"<Null>"</font>;
00339 <font class="keywordflow">else</font>
00340 ss << <a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a>->descriptor();
00341
00342 ss << <font class="stringliteral">")"</font>;
00343 }
00344 <font class="keywordflow">return</font> ss.str();
00345 }
00346
00347
00348 <font class="comment">/*</font>
00349 <font class="comment"> * Constructor with an existing socket (created by an accept())</font>
00350 <font class="comment"> */</font>
<a name="l00351"></a><a class="code" href="classNLNET_1_1CServerBufSock.html#b0">00351</a> CServerBufSock::CServerBufSock( CTcpSock *sock ) :
00352 CBufSock( sock ),
00353 _Advertised( false ),
00354 _NowReadingBuffer( false ),
00355 _BytesRead( 0 ),
00356 _Length( 0 ),
00357 _OwnerTask( NULL )
00358 {
00359 <a class="code" href="debug_8h.html#a6">nlassert</a> (<font class="keyword">this</font> != InvalidSockId); <font class="comment">// invalid bufsock</font>
00360 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CServerBufSock::CServerBufSock"</font> );
00361 }
00362
00363
00364 <font class="comment">// In Receive Threads:</font>
00365
00366
00367 <font class="comment">/*</font>
00368 <font class="comment"> * Receives a part of a message (nonblocking socket only)</font>
00369 <font class="comment"> */</font>
<a name="l00370"></a><a class="code" href="classNLNET_1_1CServerBufSock.html#b3">00370</a> <font class="keywordtype">bool</font> CServerBufSock::receivePart()
00371 {
00372 <a class="code" href="debug_8h.html#a6">nlassert</a> (<font class="keyword">this</font> != InvalidSockId); <font class="comment">// invalid bufsock</font>
00373 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CServerBufSock::receivePart"</font> );
00374
00375 <a class="code" href="namespaceNLNET.html#a6">TBlockSize</a> actuallen;
00376 <font class="keywordflow">if</font> ( ! <a class="code" href="classNLNET_1_1CServerBufSock.html#o1">_NowReadingBuffer</a> )
00377 {
00378 <font class="comment">// Receiving length prefix</font>
00379 actuallen = <font class="keyword">sizeof</font>(_Length)-<a class="code" href="classNLNET_1_1CServerBufSock.html#o2">_BytesRead</a>;
00380 <a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a>->receive( (uint8*)(&<a class="code" href="classNLNET_1_1CServerBufSock.html#o3">_Length</a>)+<a class="code" href="classNLNET_1_1CServerBufSock.html#o2">_BytesRead</a>, actuallen );
00381 <a class="code" href="classNLNET_1_1CServerBufSock.html#o2">_BytesRead</a> += actuallen;
00382 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CServerBufSock.html#o2">_BytesRead</a> == <font class="keyword">sizeof</font>(_Length ) )
00383 {
00384 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CServerBufSock.html#o3">_Length</a> != 0 )
00385 {
00386 <a class="code" href="classNLNET_1_1CServerBufSock.html#o3">_Length</a> = ntohl( <a class="code" href="classNLNET_1_1CServerBufSock.html#o3">_Length</a> );
00387
00388 <font class="comment">// Test size limit</font>
00389 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CServerBufSock.html#o3">_Length</a> > <a class="code" href="classNLNET_1_1CServerBufSock.html#o5">_OwnerTask</a>->server()->maxExpectedBlockSize() )
00390 {
00391 <a class="code" href="debug_8h.html#a2">nlwarning</a>( <font class="stringliteral">"LNETL1: Socket %s received length exceeding max expected, in block header... Disconnecting"</font>, <a class="code" href="classNLNET_1_1CBufSock.html#a3">asString</a>().c_str() );
00392 <font class="keywordflow">throw</font> ESocket( <font class="stringliteral">"Received length exceeding max expected"</font>, <font class="keyword">false</font> );
00393 }
00394
00395 <a class="code" href="classNLNET_1_1CServerBufSock.html#o1">_NowReadingBuffer</a> = <font class="keyword">true</font>;
00396 <a class="code" href="classNLNET_1_1CServerBufSock.html#o4">_ReceiveBuffer</a>.resize( <a class="code" href="classNLNET_1_1CServerBufSock.html#o3">_Length</a> );
00397 }
00398 <font class="keywordflow">else</font>
00399 {
00400 <a class="code" href="debug_8h.html#a2">nlwarning</a>( <font class="stringliteral">"LNETL1: Socket %s received null length in block header"</font>, <a class="code" href="classNLNET_1_1CBufSock.html#a3">asString</a>().c_str() );
00401 }
00402 <a class="code" href="classNLNET_1_1CServerBufSock.html#o2">_BytesRead</a> = 0;
00403 }
00404 }
00405
00406 <font class="keywordflow">if</font> ( _NowReadingBuffer )
00407 {
00408 <font class="comment">// Receiving payload buffer</font>
00409 actuallen = <a class="code" href="classNLNET_1_1CServerBufSock.html#o3">_Length</a>-<a class="code" href="classNLNET_1_1CServerBufSock.html#o2">_BytesRead</a>;
00410 <a class="code" href="classNLNET_1_1CBufSock.html#n1">Sock</a>->receive( &*<a class="code" href="classNLNET_1_1CServerBufSock.html#o4">_ReceiveBuffer</a>.begin()+<a class="code" href="classNLNET_1_1CServerBufSock.html#o2">_BytesRead</a>, actuallen );
00411 <a class="code" href="classNLNET_1_1CServerBufSock.html#o2">_BytesRead</a> += actuallen;
00412
00413 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CServerBufSock.html#o2">_BytesRead</a> == <a class="code" href="classNLNET_1_1CServerBufSock.html#o3">_Length</a> )
00414 {
00415 <font class="preprocessor">#ifdef NL_DEBUG</font>
00416 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: %s received buffer (%u bytes): [%s]"</font>, <a class="code" href="classNLNET_1_1CBufSock.html#a3">asString</a>().c_str(), <a class="code" href="classNLNET_1_1CServerBufSock.html#o4">_ReceiveBuffer</a>.size(), stringFromVector(_ReceiveBuffer).c_str() );
00417 <font class="preprocessor">#endif</font>
00418 <font class="preprocessor"></font> <a class="code" href="classNLNET_1_1CServerBufSock.html#o1">_NowReadingBuffer</a> = <font class="keyword">false</font>;
00419 <a class="code" href="classNLNET_1_1CServerBufSock.html#o2">_BytesRead</a> = 0;
00420 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00421 }
00422 }
00423
00424 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00425 }
00426
00427 } <font class="comment">// NLNET</font>
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