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<h1>packet.h</h1><a href="packet_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> *  anytun</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> *  The secure anycast tunneling protocol (satp) defines a protocol used</span>
<a name="l00005"></a>00005 <span class="comment"> *  for communication between any combination of unicast and anycast</span>
<a name="l00006"></a>00006 <span class="comment"> *  tunnel endpoints.  It has less protocol overhead than IPSec in Tunnel</span>
<a name="l00007"></a>00007 <span class="comment"> *  mode and allows tunneling of every ETHER TYPE protocol (e.g.</span>
<a name="l00008"></a>00008 <span class="comment"> *  ethernet, ip, arp ...). satp directly includes cryptography and</span>
<a name="l00009"></a>00009 <span class="comment"> *  message authentication based on the methodes used by SRTP.  It is</span>
<a name="l00010"></a>00010 <span class="comment"> *  intended to deliver a generic, scaleable and secure solution for</span>
<a name="l00011"></a>00011 <span class="comment"> *  tunneling and relaying of packets of any protocol.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> *  Copyright (C) 2007 anytun.org &lt;satp@wirdorange.org&gt;</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> *  This program is free software; you can redistribute it and/or modify</span>
<a name="l00017"></a>00017 <span class="comment"> *  it under the terms of the GNU General Public License version 2</span>
<a name="l00018"></a>00018 <span class="comment"> *  as published by the Free Software Foundation.</span>
<a name="l00019"></a>00019 <span class="comment"> *</span>
<a name="l00020"></a>00020 <span class="comment"> *  This program is distributed in the hope that it will be useful,</span>
<a name="l00021"></a>00021 <span class="comment"> *  but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00022"></a>00022 <span class="comment"> *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00023"></a>00023 <span class="comment"> *  GNU General Public License for more details.</span>
<a name="l00024"></a>00024 <span class="comment"> *</span>
<a name="l00025"></a>00025 <span class="comment"> *  You should have received a copy of the GNU General Public License</span>
<a name="l00026"></a>00026 <span class="comment"> *  along with this program (see the file COPYING included with this</span>
<a name="l00027"></a>00027 <span class="comment"> *  distribution); if not, write to the Free Software Foundation, Inc.,</span>
<a name="l00028"></a>00028 <span class="comment"> *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA</span>
<a name="l00029"></a>00029 <span class="comment"> */</span>
<a name="l00030"></a>00030 
<a name="l00031"></a>00031 <span class="preprocessor">#ifndef _PACKET_H_</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#define _PACKET_H_</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="datatypes_8h.html">datatypes.h</a>"</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "<a class="code" href="buffer_8h.html">buffer.h</a>"</span>
<a name="l00036"></a>00036 
<a name="l00037"></a><a class="code" href="classPacket.html">00037</a> <span class="keyword">class </span><a class="code" href="classPacket.html">Packet</a> : <span class="keyword">public</span> <a class="code" href="classBuffer.html">Buffer</a>
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="keyword">public</span>:
<a name="l00040"></a>00040   <a class="code" href="classPacket.html#abcfb963c0d5bc0fa554668f92989622">Packet</a>();
<a name="l00041"></a>00041   <a class="code" href="classPacket.html#abcfb963c0d5bc0fa554668f92989622">Packet</a>(<a class="code" href="datatypes_8h.html#1382fcaa92d837ce7c0961788c8243d7">u_int32_t</a> length);
<a name="l00042"></a>00042   <a class="code" href="classPacket.html#abcfb963c0d5bc0fa554668f92989622">Packet</a>(<span class="keyword">const</span> <a class="code" href="classBuffer.html">Buffer</a> &amp;src);
<a name="l00043"></a>00043   
<a name="l00044"></a>00044   <span class="keywordtype">bool</span> <a class="code" href="classPacket.html#a004c01dd99179b0a08109dce5fc6b03">hasHeader</a>() <span class="keyword">const</span>;
<a name="l00045"></a>00045   <a class="code" href="classPacket.html">Packet</a>&amp; <a class="code" href="classPacket.html#ce9e40180f64d44fe1d8da14ac9e5df2">withHeader</a>(<span class="keywordtype">bool</span> b);
<a name="l00046"></a>00046   <a class="code" href="datatypes_8h.html#317be74a3176b4149a817241bd69f9b2">seq_nr_t</a> <a class="code" href="classPacket.html#6572b9df8c1f5f0de9fcb8e5c669de50">getSeqNr</a>() <span class="keyword">const</span>;
<a name="l00047"></a>00047   <a class="code" href="datatypes_8h.html#c8be006c348a522ae126f67f7b2aaf4e">sender_id_t</a> <a class="code" href="classPacket.html#096829acfcf98c3ffff60bd335cbb919">getSenderId</a>() <span class="keyword">const</span>;
<a name="l00048"></a>00048   <a class="code" href="classPacket.html">Packet</a>&amp; <a class="code" href="classPacket.html#2a682115c6802d0dd1ebbd3434a3a179">addHeader</a>(<a class="code" href="datatypes_8h.html#317be74a3176b4149a817241bd69f9b2">seq_nr_t</a> seq_nr, <a class="code" href="datatypes_8h.html#c8be006c348a522ae126f67f7b2aaf4e">sender_id_t</a> sender_id);
<a name="l00049"></a>00049   <a class="code" href="classPacket.html">Packet</a>&amp; <a class="code" href="classPacket.html#24c2a41630d79411086d952c8f732c8c">removeHeader</a>();
<a name="l00050"></a>00050   <a class="code" href="classPacket.html">Packet</a>&amp; <a class="code" href="classPacket.html#1b89ed1be19d6b9c1a12e0f6b1ae8ed2">setSeqNr</a>(<a class="code" href="datatypes_8h.html#317be74a3176b4149a817241bd69f9b2">seq_nr_t</a> seq_nr);
<a name="l00051"></a>00051   <a class="code" href="classPacket.html">Packet</a>&amp; <a class="code" href="classPacket.html#01c7b848ec415740565c87b374085bdc">setSenderId</a>(<a class="code" href="datatypes_8h.html#c8be006c348a522ae126f67f7b2aaf4e">sender_id_t</a> sender_id);
<a name="l00052"></a>00052                        
<a name="l00053"></a>00053   <span class="keywordtype">bool</span> <a class="code" href="classPacket.html#c78b8af0dc7c7badf85e75db0de54800">hasPayloadType</a>() <span class="keyword">const</span>;
<a name="l00054"></a>00054   <a class="code" href="classPacket.html">Packet</a>&amp; <a class="code" href="classPacket.html#c7ecfc05376afd00af89cb328e194a1d">withPayloadType</a>(<span class="keywordtype">bool</span> b);
<a name="l00055"></a>00055   <a class="code" href="datatypes_8h.html#cb4c65fa561443848e729372d970654d">payload_type_t</a> <a class="code" href="classPacket.html#ed7f5cc79b40a11eddefd4b421544498">getPayloadType</a>() <span class="keyword">const</span>;  
<a name="l00056"></a>00056   <a class="code" href="classPacket.html">Packet</a>&amp; <a class="code" href="classPacket.html#40849ee3c59a84c3899c409ed392b477">addPayloadType</a>(<a class="code" href="datatypes_8h.html#cb4c65fa561443848e729372d970654d">payload_type_t</a> payload_type);
<a name="l00057"></a>00057   <a class="code" href="classPacket.html">Packet</a>&amp; <a class="code" href="classPacket.html#6433e4d5eef9216f4e70b338cb4d2e4d">removePayloadType</a>();
<a name="l00058"></a>00058   
<a name="l00059"></a>00059   <span class="keywordtype">bool</span> <a class="code" href="classPacket.html#bfe50722f18687bb0691061fb0ccb0ff">hasAuthTag</a>() <span class="keyword">const</span>;
<a name="l00060"></a>00060   <a class="code" href="classPacket.html">Packet</a>&amp; <a class="code" href="classPacket.html#5c947adee9eef0a662a4dc49d95dbe8e">withAuthTag</a>(<span class="keywordtype">bool</span> b);
<a name="l00061"></a>00061   <a class="code" href="datatypes_8h.html#3618ec768f7f5b8ed61f2ad534e1882d">auth_tag_t</a> <a class="code" href="classPacket.html#ba55c639065c177a7006d8392f50eddc">getAuthTag</a>() <span class="keyword">const</span>;
<a name="l00062"></a>00062   <a class="code" href="classPacket.html">Packet</a>&amp; <a class="code" href="classPacket.html#a7f8bb4bb127aad314eb0f0ef72447ed">addAuthTag</a>(<a class="code" href="datatypes_8h.html#3618ec768f7f5b8ed61f2ad534e1882d">auth_tag_t</a> auth_tag);
<a name="l00063"></a>00063   <a class="code" href="classPacket.html">Packet</a>&amp; <a class="code" href="classPacket.html#3e3dfca708baf59791f0608b8a57924c">removeAuthTag</a>();                     
<a name="l00064"></a>00064 
<a name="l00065"></a>00065 <span class="keyword">private</span>:
<a name="l00066"></a><a class="code" href="structPacket_1_1HeaderStruct.html">00066</a>   <span class="keyword">struct </span><a class="code" href="structPacket_1_1HeaderStruct.html">HeaderStruct</a>
<a name="l00067"></a>00067   {
<a name="l00068"></a><a class="code" href="structPacket_1_1HeaderStruct.html#4b7b9bf68b204ca98171b7f818685521">00068</a>     <a class="code" href="datatypes_8h.html#317be74a3176b4149a817241bd69f9b2">seq_nr_t</a> seq_nr;
<a name="l00069"></a><a class="code" href="structPacket_1_1HeaderStruct.html#c129b7cda1d848a579b689bacdabddea">00069</a>     <a class="code" href="datatypes_8h.html#c8be006c348a522ae126f67f7b2aaf4e">sender_id_t</a> sender_id;
<a name="l00070"></a>00070   }__attribute__((<a class="code" href="classPacket.html#11b3534f67df6bb19963e6bc8090230b">__packed__</a>));
<a name="l00071"></a><a class="code" href="classPacket.html#97b8eb52e7476174a0e91e2ccaf73306">00071</a>   <span class="keywordtype">bool</span> <a class="code" href="classPacket.html#97b8eb52e7476174a0e91e2ccaf73306">has_header_</a>;
<a name="l00072"></a><a class="code" href="classPacket.html#235c6c8c7362c46ca33a331713199a17">00072</a>   <span class="keywordtype">bool</span> <a class="code" href="classPacket.html#235c6c8c7362c46ca33a331713199a17">has_payload_type_</a>;
<a name="l00073"></a><a class="code" href="classPacket.html#849a965c46afc5fa7efe257212197abb">00073</a>   <span class="keywordtype">bool</span> <a class="code" href="classPacket.html#849a965c46afc5fa7efe257212197abb">has_auth_tag_</a>;
<a name="l00074"></a>00074 };
<a name="l00075"></a>00075 
<a name="l00076"></a>00076 <span class="preprocessor">#endif</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Oct 7 23:43:49 2007 for anytun by&nbsp;
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