<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>GNU Radio 3.2.2 C++ API: pktfilter.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.6.2 --> <h1>pktfilter.h</h1><a href="pktfilter_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c++ -*- */</span> <a name="l00002"></a>00002 <span class="comment">/*</span> <a name="l00003"></a>00003 <span class="comment"> * Copyright 2005,2007,2008 Free Software Foundation, Inc.</span> <a name="l00004"></a>00004 <span class="comment"> *</span> <a name="l00005"></a>00005 <span class="comment"> * This program is free software: you can redistribute it and/or modify</span> <a name="l00006"></a>00006 <span class="comment"> * it under the terms of the GNU General Public License as published by</span> <a name="l00007"></a>00007 <span class="comment"> * the Free Software Foundation, either version 3 of the License, or</span> <a name="l00008"></a>00008 <span class="comment"> * (at your option) any later version.</span> <a name="l00009"></a>00009 <span class="comment"> *</span> <a name="l00010"></a>00010 <span class="comment"> * This program is distributed in the hope that it will be useful,</span> <a name="l00011"></a>00011 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span> <a name="l00012"></a>00012 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span> <a name="l00013"></a>00013 <span class="comment"> * GNU General Public License for more details.</span> <a name="l00014"></a>00014 <span class="comment"> *</span> <a name="l00015"></a>00015 <span class="comment"> * You should have received a copy of the GNU General Public License</span> <a name="l00016"></a>00016 <span class="comment"> * along with this program. If not, see <http://www.gnu.org/licenses/>.</span> <a name="l00017"></a>00017 <span class="comment"> */</span> <a name="l00018"></a>00018 <a name="l00019"></a>00019 <span class="preprocessor">#ifndef INCLUDED_USRP2_PKTFILTER_H</span> <a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_USRP2_PKTFILTER_H</span> <a name="l00021"></a>00021 <span class="preprocessor"></span> <a name="l00022"></a>00022 <span class="keyword">struct </span>sock_filter; <a name="l00023"></a>00023 <a name="l00024"></a>00024 <span class="keyword">namespace </span>usrp2 { <a name="l00025"></a>00025 <a name="l00026"></a>00026 <span class="comment">/*</span> <a name="l00027"></a>00027 <span class="comment"> * \brief Compile programs for the Berkeley Packet Filter</span> <a name="l00028"></a>00028 <span class="comment"> */</span> <a name="l00029"></a><a class="code" href="classusrp2_1_1pktfilter.html">00029</a> <span class="keyword">class </span><a class="code" href="classusrp2_1_1pktfilter.html">pktfilter</a> { <a name="l00030"></a>00030 <span class="keyword">public</span>: <a name="l00031"></a>00031 <a name="l00032"></a><a class="code" href="classusrp2_1_1pktfilter.html#a28dd16aad776bfa6bda70a1471f7bdfd">00032</a> <span class="keywordtype">unsigned</span> <a class="code" href="classusrp2_1_1pktfilter.html#a28dd16aad776bfa6bda70a1471f7bdfd">d_len</a>; <span class="comment">// # of instructions</span> <a name="l00033"></a><a class="code" href="classusrp2_1_1pktfilter.html#af7e99eea6ad368da83b6cde736be6080">00033</a> <span class="keyword">struct </span>sock_filter *<a class="code" href="classusrp2_1_1pktfilter.html#af7e99eea6ad368da83b6cde736be6080">d_inst</a>; <span class="comment">// the instructions</span> <a name="l00034"></a>00034 <a name="l00035"></a>00035 <a class="code" href="classusrp2_1_1pktfilter.html#a3cfe2510c2ebfbb1c0f0db77785dd3ee">pktfilter</a> (); <a name="l00036"></a>00036 <a class="code" href="classusrp2_1_1pktfilter.html#a625a771baf342d359620e37815662460">~pktfilter</a> (); <a name="l00037"></a>00037 <span class="comment"></span> <a name="l00038"></a>00038 <span class="comment"> /*!</span> <a name="l00039"></a>00039 <span class="comment"> * \brief Return a filter that harvests packets with the specified ethertype.</span> <a name="l00040"></a>00040 <span class="comment"> * \param ethertype the ethertype we're looking for.</span> <a name="l00041"></a>00041 <span class="comment"> */</span> <a name="l00042"></a>00042 <span class="keyword">static</span> <a class="code" href="classusrp2_1_1pktfilter.html">pktfilter</a> *<a class="code" href="classusrp2_1_1pktfilter.html#a52df9baab1a92deea28e8d9f51b352c8" title="Return a filter that harvests packets with the specified ethertype.">make_ethertype</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> ethertype); <a name="l00043"></a>00043 <span class="comment"></span> <a name="l00044"></a>00044 <span class="comment"> /*!</span> <a name="l00045"></a>00045 <span class="comment"> * \brief Return a filter that harvests inbound packets with the specified ethertype.</span> <a name="l00046"></a>00046 <span class="comment"> * \param ethertype the ethertype we're looking for</span> <a name="l00047"></a>00047 <span class="comment"> * \param our_mac our MAC address so we can avoid pkts we sent</span> <a name="l00048"></a>00048 <span class="comment"> */</span> <a name="l00049"></a>00049 <span class="keyword">static</span> <a class="code" href="classusrp2_1_1pktfilter.html">pktfilter</a> *<a class="code" href="classusrp2_1_1pktfilter.html#aee9f75c0eea4ca9d93e4c8f28ac02973" title="Return a filter that harvests inbound packets with the specified ethertype.">make_ethertype_inbound</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> ethertype, <a name="l00050"></a>00050 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *our_mac); <a name="l00051"></a>00051 <span class="comment"></span> <a name="l00052"></a>00052 <span class="comment"> /*!</span> <a name="l00053"></a>00053 <span class="comment"> * \brief Return a filter that harvests inbound packets with the specified ethertype</span> <a name="l00054"></a>00054 <span class="comment"> * and source MAC address</span> <a name="l00055"></a>00055 <span class="comment"> * \param ethertype the ethertype we're looking for</span> <a name="l00056"></a>00056 <span class="comment"> * \param usrp_mac the source MAC address</span> <a name="l00057"></a>00057 <span class="comment"> */</span> <a name="l00058"></a>00058 <span class="keyword">static</span> <a class="code" href="classusrp2_1_1pktfilter.html">pktfilter</a> *<a class="code" href="classusrp2_1_1pktfilter.html#a984d6b75eee48327b7386bbeef1a54e0" title="Return a filter that harvests inbound packets with the specified ethertype and source...">make_ethertype_inbound_target</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> ethertype, <a name="l00059"></a>00059 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *usrp_mac); <a name="l00060"></a>00060 }; <a name="l00061"></a>00061 <a name="l00062"></a>00062 } <span class="comment">// namespace usrp2</span> <a name="l00063"></a>00063 <a name="l00064"></a>00064 <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_USRP2_PKTFILTER_H */</span> </pre></div></div> <hr size="1"/><address style="text-align: right;"><small>Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address> </body> </html>