<!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"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <title>libnl: /home/tgraf/dev/libnl/lib/cli/qdisc/blackhole.c Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="libnl.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" 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<div class="title">blackhole.c</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * src/lib/blackhole.c Blackhole module for CLI lib</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * License as published by the Free Software Foundation version 2.1</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * of the License.</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Copyright (c) 2010-2011 Thomas Graf <tgraf@suug.ch></span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> */</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <netlink/cli/utils.h></span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <netlink/cli/tc.h></span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">static</span> <span class="keywordtype">void</span> print_usage(<span class="keywordtype">void</span>)</div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> {</div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  printf(</div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="stringliteral">"Usage: nl-qdisc-add [...] blackhole [OPTIONS]...\n"</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="stringliteral">"\n"</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="stringliteral">"OPTIONS\n"</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="stringliteral">" --help Show this help text.\n"</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="stringliteral">"\n"</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="stringliteral">"EXAMPLE"</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="stringliteral">" # Drop all outgoing packets on eth1\n"</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="stringliteral">" nl-qdisc-add --dev=eth1 --parent=root blackhole\n"</span>);</div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> }</div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">static</span> <span class="keywordtype">void</span> blackhole_parse_argv(<span class="keyword">struct</span> rtnl_tc *tc, <span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)</div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> {</div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">for</span> (;;) {</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordtype">int</span> c, optidx = 0;</div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">static</span> <span class="keyword">struct </span>option long_opts[] = {</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  { <span class="stringliteral">"help"</span>, 0, 0, <span class="charliteral">'h'</span> },</div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  { 0, 0, 0, 0 }</div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  };</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  c = getopt_long(argc, argv, <span class="stringliteral">"h"</span>, long_opts, &optidx);</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">if</span> (c == -1)</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">break</span>;</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">switch</span> (c) {</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">case</span> <span class="charliteral">'h'</span>:</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  print_usage();</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span>;</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> }</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structnl__cli__tc__module.html">nl_cli_tc_module</a> blackhole_module =</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> {</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  .tm_name = <span class="stringliteral">"blackhole"</span>,</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  .tm_type = RTNL_TC_TYPE_QDISC,</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  .tm_parse_argv = blackhole_parse_argv,</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> };</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">static</span> <span class="keywordtype">void</span> __init blackhole_init(<span class="keywordtype">void</span>)</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> {</div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  nl_cli_tc_register(&blackhole_module);</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">static</span> <span class="keywordtype">void</span> __exit blackhole_exit(<span class="keywordtype">void</span>)</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> {</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  nl_cli_tc_unregister(&blackhole_module);</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> }</div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_97aefd0d527b934f1d99a682da8fe6a9.html">lib</a></li><li class="navelem"><a class="el" href="dir_ed02bef592024768f9b5b1a6c6dc41c4.html">cli</a></li><li class="navelem"><a class="el" href="dir_ae7c752c6a4bbe47a2dab86c8cce0484.html">qdisc</a></li><li class="navelem"><b>blackhole.c</b></li> <li class="footer">Generated on Thu Jan 24 2013 14:39:29 for libnl by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.1.1 </li> </ul> </div> </body> </html>