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<div class="title">cgroup.c</div> </div>
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<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/cls/cgroup.c Control Groups Classifier</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 General Public License as</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * published by the Free Software Foundation version 2 of the License.</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Copyright (c) 2009 Thomas Graf <tgraf@suug.ch></span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "utils.h"</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <netlink/route/cls/cgroup.h></span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <netlink/route/cls/ematch.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: ... cgroup [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">" -h, --help Show this help.\n"</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="stringliteral">" -e, --ematch=MATCH Extended match (See --ematch help).\n"</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="stringliteral">" -c, --classid=HANDLE Target class to classify matching packets to.\n"</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  );</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  exit(0);</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> basic_parse_argv(<span class="keyword">struct</span> rtnl_cls *cls, <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>  { <span class="stringliteral">"ematch"</span>, 1, 0, <span class="charliteral">'e'</span> },</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  { <span class="stringliteral">"classid"</span>, 1, 0, <span class="charliteral">'c'</span> },</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  { 0, 0, 0, 0 }</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  };</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  c = getopt_long(argc, argv, <span class="stringliteral">"he:c:"</span>, long_opts, &optidx);</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> (c == -1)</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">switch</span> (c) {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">case</span> <span class="charliteral">'?'</span>:</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  exit(NLE_INVAL);</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>  <span class="keywordflow">case</span> <span class="charliteral">'h'</span>:</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  print_usage();</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#if 0</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"></span> <span class="keywordflow">case</span> <span class="charliteral">'e'</span>:</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span> ((err = parse_ematch_syntax(optarg, &tree)) < 0)</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  fatal(err, <span class="stringliteral">"Error while parsing ematch: %s"</span>,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  nl_geterror(err));</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="keywordflow">if</span> ((err = rtnl_basic_set_ematch(cls, tree)) < 0)</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  fatal(err, <span class="stringliteral">"Unable to set ematch: %s"</span>,</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  nl_geterror(err));</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"></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> }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structcls__module.html">cls_module</a> cgroup_module = {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  .name = <span class="stringliteral">"cgroup"</span>,</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  .parse_argv = basic_parse_argv,</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> };</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">static</span> <span class="keywordtype">void</span> __init cgroup_init(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> {</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  register_cls_module(&cgroup_module);</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">static</span> <span class="keywordtype">void</span> __exit cgroup_exit(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  unregister_cls_module(&cgroup_module);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> }</div>
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