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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>login_cookie.cpp</h1><a href="login__cookie_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 Network Services.</font> +00010 <font class="comment"> * NEVRAX NeL Network Services 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 Network Services 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 Network Services; 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="login__cookie_8h.html">nel/net/login_cookie.h</a>"</font> +00029 +00030 <font class="keyword">using</font> <font class="keyword">namespace </font>std; +00031 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00032 +00033 +00034 <font class="keyword">namespace </font>NLNET { +00035 +00036 +00037 <font class="comment">/*</font> +00038 <font class="comment"> * Comparison == operator</font> +00039 <font class="comment"> */</font> +<a name="l00040"></a><a class="code" href="classNLNET_1_1CLoginCookie.html#a103">00040</a> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLNET.html#a98">operator== </a>(<font class="keyword">const</font> CLoginCookie &c1, <font class="keyword">const</font> CLoginCookie &c2) +00041 { +00042 <a class="code" href="debug_8h.html#a6">nlassert</a> (c1._Valid && c2._Valid); +00043 +00044 <font class="keywordflow">return</font> c1._UserAddr==c2._UserAddr && c1._UserKey==c2._UserKey && c1._UserId==c2._UserId; +00045 } +00046 +<a name="l00047"></a><a class="code" href="classNLNET_1_1CLoginCookie.html#a0">00047</a> CLoginCookie::CLoginCookie (<a class="code" href="types__nl_8h.html#a10">uint32</a> addr, <a class="code" href="types__nl_8h.html#a10">uint32</a> <a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>) : _Valid(true), _UserAddr(addr), _UserId(<a class="code" href="driver__opengl__extension__def_8h.html#a234">id</a>) +00048 { +00049 <font class="comment">// generates the key for this cookie</font> +00050 <a class="code" href="classNLNET_1_1CLoginCookie.html#o2">_UserKey</a> = <a class="code" href="classNLNET_1_1CLoginCookie.html#a10">generateKey</a>(); +00051 } +00052 +00054 +<a name="l00055"></a><a class="code" href="classNLNET_1_1CLoginCookie.html#a10">00055</a> <a class="code" href="types__nl_8h.html#a10">uint32</a> CLoginCookie::generateKey() +00056 { +00057 <a class="code" href="types__nl_8h.html#a10">uint32</a> <a class="code" href="driver__opengl__extension__def_8h.html#a261">t</a> = time (NULL); +00058 srand (time(NULL)); +00059 <a class="code" href="types__nl_8h.html#a10">uint32</a> <a class="code" href="driver__opengl__extension__def_8h.html#a262">r</a> = rand (); +00060 <font class="keyword">static</font> <a class="code" href="types__nl_8h.html#a10">uint32</a> n = 0; +00061 n++; +00062 +00063 <font class="comment">// 12bits for the time (in second) => loop in 1 hour</font> +00064 <font class="comment">// 8bits for random => 256 case</font> +00065 <font class="comment">// 12bits for the inc number => can generate 4096 keys per second without any problem (if you generate more than this number, you could have 2 same keys)</font> +00066 <font class="keywordflow">return</font> (<a class="code" href="driver__opengl__extension__def_8h.html#a261">t</a>&0xFFF)<<20 | (<a class="code" href="driver__opengl__extension__def_8h.html#a262">r</a>&0xFF)<<12 | (n&0xFFF); +00067 +00068 <font class="comment">// 12bits for the time (in second) => loop in 1 hour</font> +00069 <font class="comment">// 20bits for the inc number => can generate more than 1 million keys per second without any problem (never exceed on my computer)</font> +00070 <font class="comment">// return (t&0xFFF)<<20 | (n&0xFFFFF);</font> +00071 } +00072 +00073 +00074 <font class="comment">/* test key generation</font> +00075 <font class="comment">void main()</font> +00076 <font class="comment">{</font> +00077 <font class="comment"> set<uint32> myset;</font> +00078 <font class="comment"></font> +00079 <font class="comment"> // generates the key for this cookie</font> +00080 <font class="comment"> while (true)</font> +00081 <font class="comment"> {</font> +00082 <font class="comment"> uint32 val = (t&0xFFF)<<20 | (r&0xFF)<<12 | (n&0xFFF);</font> +00083 <font class="comment"> pair<set<uint32>::iterator,bool> p = myset.insert (val);</font> +00084 <font class="comment"> if (!p.second) printf("%10u 0x%x already inserted\n", val, val);</font> +00085 <font class="comment"> }</font> +00086 <font class="comment">}</font> +00087 <font class="comment">*/</font> +00088 +00089 } <font class="comment">// NL.</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> |