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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>udp_sim_sock.cpp</h1><a href="udp__sim__sock_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00008 <font class="comment">/* Copyright, 2002 Nevrax Ltd.</font> +00009 <font class="comment"> *</font> +00010 <font class="comment"> * This file is part of NEVRAX NEL.</font> +00011 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font> +00012 <font class="comment"> * it under the terms of the GNU General Public License as published by</font> +00013 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font> +00014 <font class="comment"> * any later version.</font> +00015 <font class="comment"></font> +00016 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font> +00017 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font> +00018 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font> +00019 <font class="comment"> * General Public License for more details.</font> +00020 <font class="comment"></font> +00021 <font class="comment"> * You should have received a copy of the GNU General Public License</font> +00022 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font> +00023 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font> +00024 <font class="comment"> * MA 02111-1307, USA.</font> +00025 <font class="comment"> */</font> +00026 +00027 <font class="preprocessor">#include "<a class="code" href="stdnet_8h.html">stdnet.h</a>"</font> +00028 +00029 <font class="preprocessor">#include <queue></font> +00030 +00031 <font class="preprocessor">#include "<a class="code" href="config__file_8h.html">nel/misc/config_file.h</a>"</font> +00032 +00033 <font class="preprocessor">#include "<a class="code" href="udp__sock_8h.html">nel/net/udp_sock.h</a>"</font> +00034 <font class="preprocessor">#include "<a class="code" href="udp__sim__sock_8h.html">nel/net/udp_sim_sock.h</a>"</font> +00035 +00036 <font class="keyword">using</font> <font class="keyword">namespace </font>std; +00037 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00038 +00039 <font class="keyword">namespace </font>NLNET { +00040 +00041 <font class="comment">//</font> +00042 <font class="comment">// Class</font> +00043 <font class="comment">//</font> +00044 +<a name="l00045"></a><a class="code" href="structNLNET_1_1CBufferizedOutPacket.html">00045</a> <font class="keyword">struct </font>CBufferizedOutPacket +00046 { +<a name="l00047"></a><a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#a0">00047</a> <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#a0">CBufferizedOutPacket</a> (CUdpSock *client, <font class="keyword">const</font> uint8 *packet, uint32 packetSize, uint32 delay, <font class="keyword">const</font> CInetAddress *<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>): +00048 <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m0">Client</a>(client), <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m2">PacketSize</a>(packetSize), <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m3">Time</a>(CTime::getLocalTime()+delay) +00049 { +00050 <a class="code" href="debug_8h.html#a6">nlassert</a> (packetSize > 0); +00051 <a class="code" href="debug_8h.html#a6">nlassert</a> (packet != NULL); +00052 <a class="code" href="debug_8h.html#a6">nlassert</a> (client != NULL); +00053 +00054 <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m1">Packet</a> = <font class="keyword">new</font> uint8[packetSize]; +00055 memcpy (<a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m1">Packet</a>, packet, packetSize); +00056 +00057 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a> != NULL) +00058 { +00059 <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m4">Addr</a> = <font class="keyword">new</font> CInetAddress; +00060 *<a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m4">Addr</a> = *<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>; +00061 } +00062 <font class="keywordflow">else</font> +00063 { +00064 <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m4">Addr</a> = NULL; +00065 } +00066 } +00067 +<a name="l00068"></a><a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#a1">00068</a> <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#a1">~CBufferizedOutPacket</a> () +00069 { +00070 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m1">Packet</a> != NULL); +00071 <font class="keyword">delete</font> [] <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m1">Packet</a>; +00072 <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m1">Packet</a> = NULL; +00073 <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m0">Client</a> = NULL; +00074 <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m2">PacketSize</a> = 0; +00075 <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m3">Time</a> = 0; +00076 <font class="keywordflow">if</font> (<a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m4">Addr</a> != NULL) +00077 <font class="keyword">delete</font> <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m4">Addr</a>; +00078 } +00079 +<a name="l00080"></a><a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m0">00080</a> CUdpSock *<a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m0">Client</a>; +<a name="l00081"></a><a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m1">00081</a> uint8 *<a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m1">Packet</a>; +<a name="l00082"></a><a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m2">00082</a> uint32 <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m2">PacketSize</a>; +<a name="l00083"></a><a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m3">00083</a> <a class="code" href="namespaceNLMISC.html#a183">TTime</a> <a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m3">Time</a>; +<a name="l00084"></a><a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m4">00084</a> CInetAddress *<a class="code" href="structNLNET_1_1CBufferizedOutPacket.html#m4">Addr</a>; +00085 }; +00086 +00087 +00088 <font class="comment">//</font> +00089 <font class="comment">// Variables</font> +00090 <font class="comment">//</font> +00091 +00092 <font class="keyword">static</font> queue<CBufferizedOutPacket*> <a class="code" href="namespaceNLNET.html#a65">BufferizedOutPackets</a>; +00093 <font class="keyword">static</font> queue<CBufferizedOutPacket*> <a class="code" href="namespaceNLNET.html#a66">BufferizedInPackets</a>; +00094 +<a name="l00095"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#r0">00095</a> uint32 CUdpSimSock::_InLag = 0; +<a name="l00096"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#r1">00096</a> uint8 CUdpSimSock::_InPacketLoss = 0; +00097 +<a name="l00098"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#r2">00098</a> uint32 CUdpSimSock::_OutLag = 0; +<a name="l00099"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#r3">00099</a> uint8 CUdpSimSock::_OutPacketLoss = 0; +<a name="l00100"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#r4">00100</a> uint8 CUdpSimSock::_OutPacketDuplication = 0; +<a name="l00101"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#r5">00101</a> uint8 CUdpSimSock::_OutPacketDisordering = 0; +00102 +00103 <font class="comment">//</font> +00104 <font class="comment">// Functions</font> +00105 <font class="comment">//</font> +00106 +<a name="l00107"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#c2">00107</a> <font class="keywordtype">void</font> CUdpSimSock::sendUDPNow (<font class="keyword">const</font> uint8 *<a class="code" href="namespaceNLNET.html#a67">buffer</a>, uint32 len, <font class="keyword">const</font> CInetAddress *<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>) +00108 { +00109 <font class="keywordflow">if</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a> == NULL) +00110 <a class="code" href="classNLNET_1_1CUdpSimSock.html#m0">UdpSock</a>.send (<a class="code" href="namespaceNLNET.html#a67">buffer</a>, len); +00111 <font class="keywordflow">else</font> +00112 <a class="code" href="classNLNET_1_1CUdpSimSock.html#m0">UdpSock</a>.sendTo (<a class="code" href="namespaceNLNET.html#a67">buffer</a>, len, *<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>); +00113 } +00114 +<a name="l00115"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#c1">00115</a> <font class="keywordtype">void</font> CUdpSimSock::sendUDP (<font class="keyword">const</font> uint8 *<a class="code" href="namespaceNLNET.html#a67">buffer</a>, uint32& len, <font class="keyword">const</font> CInetAddress *<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>) +00116 { +00117 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="namespaceNLNET.html#a67">buffer</a> != NULL); +00118 <a class="code" href="debug_8h.html#a6">nlassert</a> (len > 0); +00119 +00120 <font class="keywordflow">if</font> ((float)rand()/(float)(RAND_MAX)*100.0f >= <a class="code" href="classNLNET_1_1CUdpSimSock.html#r3">_OutPacketLoss</a>) +00121 { +00122 sint32 lag = <a class="code" href="classNLNET_1_1CUdpSimSock.html#r2">_OutLag</a> <font class="comment">/*+ (rand()%40) - 20*/</font>;<font class="comment">// void disordering</font> +00123 +00124 <font class="keywordflow">if</font> (lag > 100) +00125 { +00126 <font class="comment">// send the packet later</font> +00127 +00128 CBufferizedOutPacket *bp = <font class="keyword">new</font> CBufferizedOutPacket (&<a class="code" href="classNLNET_1_1CUdpSimSock.html#m0">UdpSock</a>, <a class="code" href="namespaceNLNET.html#a67">buffer</a>, len, lag, <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>); +00129 +00130 <font class="comment">// duplicate the packet</font> +00131 <font class="keywordflow">if</font> ((float)rand()/(float)(RAND_MAX)*100.0f < <a class="code" href="classNLNET_1_1CUdpSimSock.html#r5">_OutPacketDisordering</a> && <a class="code" href="namespaceNLNET.html#a65">BufferizedOutPackets</a>.size() > 0) +00132 { +00133 CBufferizedOutPacket *bp2 = <a class="code" href="namespaceNLNET.html#a65">BufferizedOutPackets</a>.back(); +00134 +00135 <font class="comment">// exange the time</font> +00136 <a class="code" href="namespaceNLMISC.html#a183">TTime</a> <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> = bp->Time; +00137 bp->Time = bp2->Time; +00138 bp2->Time = <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>; +00139 +00140 <font class="comment">// exange packet in the buffer</font> +00141 <a class="code" href="namespaceNLNET.html#a65">BufferizedOutPackets</a>.back() = bp; +00142 bp = bp2; +00143 } +00144 +00145 <a class="code" href="namespaceNLNET.html#a65">BufferizedOutPackets</a>.push (bp); +00146 +00147 <font class="comment">// duplicate the packet</font> +00148 <font class="keywordflow">if</font> ((float)rand()/(float)(RAND_MAX)*100.0f < <a class="code" href="classNLNET_1_1CUdpSimSock.html#r4">_OutPacketDuplication</a>) +00149 { +00150 CBufferizedOutPacket *bp = <font class="keyword">new</font> CBufferizedOutPacket (&<a class="code" href="classNLNET_1_1CUdpSimSock.html#m0">UdpSock</a>, <a class="code" href="namespaceNLNET.html#a67">buffer</a>, len, lag, <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>); +00151 <a class="code" href="namespaceNLNET.html#a65">BufferizedOutPackets</a>.push (bp); +00152 } +00153 } +00154 <font class="keywordflow">else</font> +00155 { +00156 <font class="comment">// send the packet NOW</font> +00157 +00158 <a class="code" href="classNLNET_1_1CUdpSimSock.html#c2">sendUDPNow</a> (<a class="code" href="namespaceNLNET.html#a67">buffer</a>, len, <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>); +00159 +00160 <font class="comment">// duplicate the packet</font> +00161 <font class="keywordflow">if</font> ((float)rand()/(float)(RAND_MAX)*100.0f < <a class="code" href="classNLNET_1_1CUdpSimSock.html#r4">_OutPacketDuplication</a>) +00162 { +00163 <a class="code" href="classNLNET_1_1CUdpSimSock.html#c2">sendUDPNow</a> (<a class="code" href="namespaceNLNET.html#a67">buffer</a>, len, <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>); +00164 } +00165 } +00166 } +00167 } +00168 +00169 +00170 +<a name="l00171"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#c0">00171</a> <font class="keywordtype">void</font> CUdpSimSock::updateBufferizedPackets () +00172 { +00173 <a class="code" href="namespaceNLMISC.html#a183">TTime</a> ct = CTime::getLocalTime (); +00174 <font class="keywordflow">while</font> (!<a class="code" href="namespaceNLNET.html#a65">BufferizedOutPackets</a>.empty()) +00175 { +00176 CBufferizedOutPacket *bp = <a class="code" href="namespaceNLNET.html#a65">BufferizedOutPackets</a>.front (); +00177 <font class="keywordflow">if</font> (bp->Time <= ct) +00178 { +00179 <font class="comment">// time to send the message</font> +00180 <a class="code" href="classNLNET_1_1CUdpSimSock.html#c2">sendUDPNow</a> (bp->Packet, bp->PacketSize, bp->Addr); +00181 <font class="keyword">delete</font> bp; +00182 <a class="code" href="namespaceNLNET.html#a65">BufferizedOutPackets</a>.pop (); +00183 } +00184 <font class="keywordflow">else</font> +00185 { +00186 <font class="keywordflow">break</font>; +00187 } +00188 } +00189 } +00190 +<a name="l00191"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">00191</a> <font class="keywordtype">void</font> <a class="code" href="namespaceNLNET.html#a140">cbSimVar</a> (CConfigFile::CVar &var) +00192 { +00193 <font class="keywordflow">if</font> (var.Name == <font class="stringliteral">"SimInLag"</font>) CUdpSimSock::_InLag = var.asInt (); +00194 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (var.Name == <font class="stringliteral">"SimInPacketLost"</font>) CUdpSimSock::_InPacketLoss = var.asInt (); +00195 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (var.Name == <font class="stringliteral">"SimOutLag"</font>) CUdpSimSock::_OutLag = var.asInt (); +00196 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (var.Name == <font class="stringliteral">"SimOutPacketLost"</font>) CUdpSimSock::_OutPacketLoss = var.asInt (); +00197 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (var.Name == <font class="stringliteral">"SimOutPacketDuplication"</font>) CUdpSimSock::_OutPacketDuplication = var.asInt (); +00198 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (var.Name == <font class="stringliteral">"SimOutPacketDisordering"</font>) CUdpSimSock::_OutPacketDisordering = var.asInt (); +00199 <font class="keywordflow">else</font> <a class="code" href="debug_8h.html#a12">nlstop</a>; +00200 } +00201 +<a name="l00202"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#d0">00202</a> <font class="keywordtype">void</font> CUdpSimSock::setSimValues (<a class="code" href="classNLMISC_1_1CConfigFile.html">NLMISC::CConfigFile</a> &cf) +00203 { +00204 cf.<a class="code" href="classNLMISC_1_1CConfigFile.html#a11">setCallback</a> (<font class="stringliteral">"SimInLag"</font>, <a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">cbSimVar</a>); +00205 cf.<a class="code" href="classNLMISC_1_1CConfigFile.html#a11">setCallback</a> (<font class="stringliteral">"SimInPacketLost"</font>, <a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">cbSimVar</a>); +00206 cf.<a class="code" href="classNLMISC_1_1CConfigFile.html#a11">setCallback</a> (<font class="stringliteral">"SimOutLag"</font>, <a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">cbSimVar</a>); +00207 cf.<a class="code" href="classNLMISC_1_1CConfigFile.html#a11">setCallback</a> (<font class="stringliteral">"SimOutPacketLost"</font>, <a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">cbSimVar</a>); +00208 cf.<a class="code" href="classNLMISC_1_1CConfigFile.html#a11">setCallback</a> (<font class="stringliteral">"SimOutPacketDuplication"</font>, <a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">cbSimVar</a>); +00209 cf.<a class="code" href="classNLMISC_1_1CConfigFile.html#a11">setCallback</a> (<font class="stringliteral">"SimOutPacketDisordering"</font>, <a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">cbSimVar</a>); +00210 +00211 <font class="keywordflow">try</font> +00212 { +00213 <a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">cbSimVar</a> (cf.<a class="code" href="classNLMISC_1_1CConfigFile.html#a2">getVar</a>(<font class="stringliteral">"SimInLag"</font>)); +00214 <a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">cbSimVar</a> (cf.<a class="code" href="classNLMISC_1_1CConfigFile.html#a2">getVar</a>(<font class="stringliteral">"SimInPacketLost"</font>)); +00215 <a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">cbSimVar</a> (cf.<a class="code" href="classNLMISC_1_1CConfigFile.html#a2">getVar</a>(<font class="stringliteral">"SimOutLag"</font>)); +00216 <a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">cbSimVar</a> (cf.<a class="code" href="classNLMISC_1_1CConfigFile.html#a2">getVar</a>(<font class="stringliteral">"SimOutPacketLost"</font>)); +00217 <a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">cbSimVar</a> (cf.<a class="code" href="classNLMISC_1_1CConfigFile.html#a2">getVar</a>(<font class="stringliteral">"SimOutPacketDuplication"</font>)); +00218 <a class="code" href="classNLNET_1_1CUdpSimSock.html#a140">cbSimVar</a> (cf.<a class="code" href="classNLMISC_1_1CConfigFile.html#a2">getVar</a>(<font class="stringliteral">"SimOutPacketDisordering"</font>)); +00219 } +00220 <font class="keywordflow">catch</font> (Exception &e) +00221 { +00222 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"Problem during getting Sim values from config file: %s"</font>, e.what()); +00223 } +00224 } +00225 +<a name="l00226"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#a1">00226</a> <font class="keywordtype">void</font> CUdpSimSock::connect( <font class="keyword">const</font> CInetAddress& <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a> ) +00227 { +00228 <a class="code" href="classNLNET_1_1CUdpSimSock.html#m0">UdpSock</a>.connect (<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>); +00229 } +00230 +<a name="l00231"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#a2">00231</a> <font class="keywordtype">void</font> CUdpSimSock::close() +00232 { +00233 <a class="code" href="classNLNET_1_1CUdpSimSock.html#m0">UdpSock</a>.close (); +00234 } +00235 +00236 uint8 <a class="code" href="namespaceNLNET.html#a67">buffer</a> [10000]; +00237 +<a name="l00238"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#a3">00238</a> <font class="keywordtype">bool</font> CUdpSimSock::dataAvailable () +00239 { +00240 <a class="code" href="classNLNET_1_1CUdpSimSock.html#c0">updateBufferizedPackets</a> (); +00241 +00242 <font class="keywordflow">if</font> (<a class="code" href="classNLNET_1_1CUdpSimSock.html#r0">_InLag</a> > 0) +00243 { +00244 <font class="keywordflow">while</font> (<a class="code" href="classNLNET_1_1CUdpSimSock.html#m0">UdpSock</a>.dataAvailable ()) +00245 { +00246 CInetAddress <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>; +00247 uint len = 10000; +00248 <a class="code" href="classNLNET_1_1CUdpSimSock.html#m0">UdpSock</a>.receivedFrom (<a class="code" href="namespaceNLNET.html#a67">buffer</a>, len, <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>); +00249 +00250 <font class="keywordflow">if</font> ((float)rand()/(float)(RAND_MAX)*100.0f >= <a class="code" href="classNLNET_1_1CUdpSimSock.html#r1">_InPacketLoss</a>) +00251 { +00252 CBufferizedOutPacket *bp = <font class="keyword">new</font> CBufferizedOutPacket (&<a class="code" href="classNLNET_1_1CUdpSimSock.html#m0">UdpSock</a>, <a class="code" href="namespaceNLNET.html#a67">buffer</a>, len, <a class="code" href="classNLNET_1_1CUdpSimSock.html#r0">_InLag</a>, &<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>); +00253 <a class="code" href="namespaceNLNET.html#a66">BufferizedInPackets</a>.push (bp); +00254 } +00255 } +00256 +00257 <a class="code" href="namespaceNLMISC.html#a183">TTime</a> ct = CTime::getLocalTime (); +00258 <font class="keywordflow">if</font> (!<a class="code" href="namespaceNLNET.html#a66">BufferizedInPackets</a>.empty() && <a class="code" href="namespaceNLNET.html#a66">BufferizedInPackets</a>.front ()->Time <= ct) +00259 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00260 <font class="keywordflow">else</font> +00261 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00262 } +00263 <font class="keywordflow">else</font> +00264 { +00265 <font class="keywordflow">return</font> <a class="code" href="classNLNET_1_1CUdpSimSock.html#m0">UdpSock</a>.dataAvailable (); +00266 } +00267 } +00268 +<a name="l00269"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#a4">00269</a> <font class="keywordtype">bool</font> CUdpSimSock::receive (uint8 *<a class="code" href="namespaceNLNET.html#a67">buffer</a>, uint32& len, <font class="keywordtype">bool</font> throw_exception) +00270 { +00271 <font class="keywordflow">if</font> (<a class="code" href="classNLNET_1_1CUdpSimSock.html#r0">_InLag</a>> 0) +00272 { +00273 <font class="keywordflow">if</font> (<a class="code" href="namespaceNLNET.html#a66">BufferizedInPackets</a>.empty()) +00274 { +00275 <font class="keywordflow">if</font> (throw_exception) +00276 <font class="keywordflow">throw</font> Exception (<font class="stringliteral">"no data available"</font>); +00277 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00278 } +00279 +00280 CBufferizedOutPacket *bp = <a class="code" href="namespaceNLNET.html#a66">BufferizedInPackets</a>.front (); +00281 uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a> = <a class="code" href="bit__set_8cpp.html#a0">min</a> (len, bp->PacketSize); +00282 memcpy (<a class="code" href="namespaceNLNET.html#a67">buffer</a>, bp->Packet, <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>); +00283 len = <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>; +00284 +00285 <font class="keyword">delete</font> bp; +00286 <a class="code" href="namespaceNLNET.html#a66">BufferizedInPackets</a>.pop (); +00287 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00288 } +00289 <font class="keywordflow">else</font> +00290 { +00291 <font class="keywordflow">return</font> <a class="code" href="classNLNET_1_1CUdpSimSock.html#m0">UdpSock</a>.receive(<a class="code" href="namespaceNLNET.html#a67">buffer</a>, len, throw_exception); +00292 } +00293 } +00294 +<a name="l00295"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#a5">00295</a> CSock::TSockResult CUdpSimSock::send (<font class="keyword">const</font> uint8 *<a class="code" href="namespaceNLNET.html#a67">buffer</a>, uint32& len, <font class="keywordtype">bool</font> throw_exception) +00296 { +00297 <a class="code" href="classNLNET_1_1CUdpSimSock.html#c1">sendUDP</a> (<a class="code" href="namespaceNLNET.html#a67">buffer</a>, len); +00298 <font class="keywordflow">return</font> CSock::Ok; +00299 } +00300 +<a name="l00301"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#a6">00301</a> <font class="keywordtype">void</font> CUdpSimSock::sendTo (<font class="keyword">const</font> uint8 *<a class="code" href="namespaceNLNET.html#a67">buffer</a>, uint32& len, <font class="keyword">const</font> CInetAddress& <a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>) +00302 { +00303 <a class="code" href="classNLNET_1_1CUdpSimSock.html#c1">sendUDP</a> (<a class="code" href="namespaceNLNET.html#a67">buffer</a>, len, &<a class="code" href="driver__opengl__extension__def_8h.html#a414">addr</a>); +00304 } +00305 +<a name="l00306"></a><a class="code" href="classNLNET_1_1CUdpSimSock.html#a7">00306</a> <font class="keywordtype">bool</font> CUdpSimSock::connected() +00307 { +00308 <font class="keywordflow">return</font> <a class="code" href="classNLNET_1_1CUdpSimSock.html#m0">UdpSock</a>.connected (); +00309 } +00310 +00311 } <font class="comment">// NLNET</font> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |