<!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/route/classid.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" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">libnl
 <span id="projectnumber">3.2.21</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.1.1 -->
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
</ul>
</div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('classid_8c.html','');});
</script>
<div id="doc-content">
<div class="header">
<div class="headertitle">
<div class="title">classid.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"> * lib/route/classid.c ClassID Management</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) 2010-2013 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> <span class="comment"></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * @ingroup tc</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * @defgroup classid ClassID Management</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * @{</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <netlink-private/netlink.h></span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <netlink-private/tc.h></span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <netlink/netlink.h></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <netlink/utils.h></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <netlink/route/tc.h></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="code" href="structclassid__map.html"> 24</a></span> <span class="keyword">struct </span><a class="code" href="structclassid__map.html">classid_map</a></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> {</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  uint32_t classid;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordtype">char</span> * name;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">struct </span><a class="code" href="structnl__list__head.html">nl_list_head</a> name_list;</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> </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#define CLASSID_NAME_HT_SIZ 256</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structnl__list__head.html">nl_list_head</a> tbl_name[CLASSID_NAME_HT_SIZ];</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">static</span> <span class="keywordtype">void</span> *id_root = NULL;</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> <span class="keyword">static</span> <span class="keywordtype">int</span> compare_id(<span class="keyword">const</span> <span class="keywordtype">void</span> *pa, <span class="keyword">const</span> <span class="keywordtype">void</span> *pb)</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>  <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structclassid__map.html">classid_map</a> *ma = pa;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structclassid__map.html">classid_map</a> *mb = pb;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> (ma->classid < mb->classid)</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">if</span> (ma->classid > mb->classid)</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> 1;</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>  <span class="keywordflow">return</span> 0;</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> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">/* djb2 */</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> classid_tbl_hash(<span class="keyword">const</span> <span class="keywordtype">char</span> *str)</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> {</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> hash = 5381;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">int</span> c;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">while</span> ((c = *str++))</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  hash = ((hash << 5) + hash) + c; <span class="comment">/* hash * 33 + c */</span></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>  <span class="keywordflow">return</span> hash % CLASSID_NAME_HT_SIZ;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</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> <span class="keyword">static</span> <span class="keywordtype">int</span> classid_lookup(<span class="keyword">const</span> <span class="keywordtype">char</span> *name, uint32_t *result)</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">struct </span><a class="code" href="structclassid__map.html">classid_map</a> *map;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">int</span> n = classid_tbl_hash(name);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  nl_list_for_each_entry(map, &tbl_name[n], name_list) {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (!strcasecmp(map->name, name)) {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  *result = map->classid;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</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="keywordflow">return</span> -NLE_OBJ_NOTFOUND;</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> </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">static</span> <span class="keywordtype">char</span> *name_lookup(<span class="keyword">const</span> uint32_t classid)</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> {</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">void</span> *res;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">struct </span><a class="code" href="structclassid__map.html">classid_map</a> cm = {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  .classid = classid,</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  .name = <span class="stringliteral">"search entry"</span>,</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  };</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span> ((res = tfind(&cm, &id_root, &compare_id)))</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> (*(<span class="keyword">struct</span> <a class="code" href="structclassid__map.html">classid_map</a> **) res)->name;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"></span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> * @name Traffic Control Handle Translations</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> * @{</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"></span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> * Convert a traffic control handle to a character string (Reentrant).</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> * @arg handle traffic control handle</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> * @arg buf destination buffer</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"> * @arg len buffer length</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> * Converts a tarffic control handle to a character string in the</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> * form of \c MAJ:MIN and stores it in the specified destination buffer.</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> * @return The destination buffer or the type encoded in hexidecimal</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> * form if no match was found.</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="code" href="group__classid.html#ga27fad2a239d4d8d932da0ce1bdbf1f9f"> 109</a></span> <span class="keywordtype">char</span> *<a class="code" href="group__classid.html#ga27fad2a239d4d8d932da0ce1bdbf1f9f" title="Convert a traffic control handle to a character string (Reentrant).">rtnl_tc_handle2str</a>(uint32_t handle, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> len)</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> {</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (TC_H_ROOT == handle)</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  snprintf(buf, len, <span class="stringliteral">"root"</span>);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (TC_H_UNSPEC == handle)</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  snprintf(buf, len, <span class="stringliteral">"none"</span>);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (TC_H_INGRESS == handle)</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  snprintf(buf, len, <span class="stringliteral">"ingress"</span>);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">char</span> *name;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">if</span> ((name = name_lookup(handle)))</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  snprintf(buf, len, <span class="stringliteral">"%s"</span>, name);</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (0 == TC_H_MAJ(handle))</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  snprintf(buf, len, <span class="stringliteral">":%x"</span>, TC_H_MIN(handle));</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (0 == TC_H_MIN(handle))</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  snprintf(buf, len, <span class="stringliteral">"%x:"</span>, TC_H_MAJ(handle) >> 16);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  snprintf(buf, len, <span class="stringliteral">"%x:%x"</span>,</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  TC_H_MAJ(handle) >> 16, TC_H_MIN(handle));</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> buf;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"></span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> * Convert a charactering strint to a traffic control handle</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> * @arg str traffic control handle as character string</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> * @arg res destination buffer</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> * Converts the provided character string specifying a traffic</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> * control handle to the corresponding numeric value.</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> * The handle must be provided in one of the following formats:</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> * - NAME</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> * - root</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"> * - none</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> * - MAJ:</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> * - :MIN</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * - NAME:MIN</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> * - MAJ:MIN</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> * - MAJMIN</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * @return 0 on success or a negative error code</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"><a class="code" href="group__classid.html#ga451c9471d392f5df2cf0eeaef213b94a"> 154</a></span> <span class="keywordtype">int</span> <a class="code" href="group__classid.html#ga451c9471d392f5df2cf0eeaef213b94a" title="Convert a charactering strint to a traffic control handle.">rtnl_tc_str2handle</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *str, uint32_t *res)</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> {</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">char</span> *colon, *end;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  uint32_t h;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordtype">int</span> err;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (!strcasecmp(str, <span class="stringliteral">"root"</span>)) {</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  *res = TC_H_ROOT;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (!strcasecmp(str, <span class="stringliteral">"none"</span>)) {</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  *res = TC_H_UNSPEC;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (!strcasecmp(str, <span class="stringliteral">"ingress"</span>)) {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  *res = TC_H_INGRESS;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  h = strtoul(str, &colon, 16);</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">/* MAJ is not a number */</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">if</span> (colon == str) {</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> not_a_number:</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</span> (*colon == <span class="charliteral">':'</span>) {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">/* :YYYY */</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  h = 0;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordtype">size_t</span> len;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordtype">char</span> name[64] = { 0 };</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">if</span> (!(colon = strpbrk(str, <span class="stringliteral">":"</span>))) {</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">/* NAME */</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span> classid_lookup(str, res);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">/* NAME:YYYY */</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  len = colon - str;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">if</span> (len >= <span class="keyword">sizeof</span>(name))</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> -NLE_INVAL;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  memcpy(name, str, len);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> ((err = classid_lookup(name, &h)) < 0)</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="comment">/* Name must point to a qdisc alias */</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> (TC_H_MIN(h))</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">return</span> -NLE_INVAL;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">/* NAME: is not allowed */</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (colon[1] == <span class="charliteral">'\0'</span>)</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> -NLE_INVAL;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">goto</span> update;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">if</span> (<span class="charliteral">':'</span> == *colon) {</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="comment">/* check if we would lose bits */</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (TC_H_MAJ(h))</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">return</span> -NLE_RANGE;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  h <<= 16;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">if</span> (<span class="charliteral">'\0'</span> == colon[1]) {</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">/* XXXX: */</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  *res = h;</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">/* XXXX:YYYY */</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  uint32_t l;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> update:</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  l = strtoul(colon+1, &end, 16);</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">/* check if we overlap with major part */</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span> (TC_H_MAJ(l))</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">return</span> -NLE_RANGE;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">if</span> (<span class="charliteral">'\0'</span> != *end)</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span> -NLE_INVAL;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  *res = (h | l);</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  }</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="charliteral">'\0'</span> == *colon) {</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">/* XXXXYYYY */</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  *res = h;</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">goto</span> not_a_number;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> }</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="keyword">static</span> <span class="keywordtype">void</span> free_nothing(<span class="keywordtype">void</span> *arg)</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> {</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> }</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="keyword">static</span> <span class="keywordtype">void</span> classid_map_free(<span class="keyword">struct</span> <a class="code" href="structclassid__map.html">classid_map</a> *map)</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> {</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">if</span> (!map)</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  free(map->name);</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  free(map);</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> }</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="keyword">static</span> <span class="keywordtype">void</span> clear_hashtable(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> {</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">for</span> (i = 0; i < CLASSID_NAME_HT_SIZ; i++) {</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">struct </span><a class="code" href="structclassid__map.html">classid_map</a> *map, *n;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  nl_list_for_each_entry_safe(map, n, &tbl_name[i], name_list)</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  classid_map_free(map);</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  nl_init_list_head(&tbl_name[i]);</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  if (id_root) {</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  tdestroy(&id_root, &free_nothing);</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  id_root = NULL;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  }</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="keyword">static</span> <span class="keywordtype">int</span> classid_map_add(uint32_t classid, <span class="keyword">const</span> <span class="keywordtype">char</span> *name)</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> {</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keyword">struct </span><a class="code" href="structclassid__map.html">classid_map</a> *map;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordtype">int</span> n;</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">if</span> (!(map = calloc(1, <span class="keyword">sizeof</span>(*map))))</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">return</span> -NLE_NOMEM;</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  map->classid = classid;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  map->name = strdup(name);</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  n = classid_tbl_hash(map->name);</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  nl_list_add_tail(&map->name_list, &tbl_name[n]);</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> </div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">if</span> (!tsearch((<span class="keywordtype">void</span> *) map, &id_root, &compare_id)) {</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  classid_map_free(map);</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">return</span> -NLE_NOMEM;</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  }</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> </div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> }</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"></span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"> * (Re-)read classid file</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment"> * Rereads the contents of the classid file (typically found at the location</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment"> * /etc/libnl/classid) and refreshes the classid maps.</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="comment"> * @return 0 on success or a negative error code.</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"><a class="code" href="group__classid.html#gaffd3b96542fef6c1f39ebb59938e69cb"> 311</a></span> <span class="keywordtype">int</span> <a class="code" href="group__classid.html#gaffd3b96542fef6c1f39ebb59938e69cb" title="(Re-)read classid file">rtnl_tc_read_classid_file</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> {</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keyword">static</span> time_t last_read;</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">struct </span>stat st;</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordtype">char</span> buf[256], *path;</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  FILE *fd;</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordtype">int</span> err;</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span> (build_sysconf_path(&path, <span class="stringliteral">"classid"</span>) < 0)</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span> -NLE_NOMEM;</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">/* if stat fails, just (re-)read the file */</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">if</span> (stat(path, &st) == 0) {</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">/* Don't re-read file if file is unchanged */</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">if</span> (last_read == st.st_mtime) {</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  err = 0;</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">goto</span> errout;</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  }</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (!(fd = fopen(path, <span class="stringliteral">"r"</span>))) {</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  err = -nl_syserr2nlerr(errno);</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">goto</span> errout;</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  }</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> </div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  clear_hashtable();</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">while</span> (fgets(buf, <span class="keyword">sizeof</span>(buf), fd)) {</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  uint32_t classid;</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordtype">char</span> *ptr, *tok;</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> </div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="comment">/* ignore comments and empty lines */</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">if</span> (*buf == <span class="charliteral">'#'</span> || *buf == <span class="charliteral">'\n'</span> || *buf == <span class="charliteral">'\r'</span>)</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> </div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="comment">/* token 1 */</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (!(tok = strtok_r(buf, <span class="stringliteral">" \t"</span>, &ptr))) {</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  err = -NLE_INVAL;</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">goto</span> errout_close;</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> </div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> ((err = <a class="code" href="group__classid.html#ga451c9471d392f5df2cf0eeaef213b94a" title="Convert a charactering strint to a traffic control handle.">rtnl_tc_str2handle</a>(tok, &classid)) < 0)</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">goto</span> errout_close;</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">if</span> (!(tok = strtok_r(NULL, <span class="stringliteral">" \t\n\r#"</span>, &ptr))) {</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  err = -NLE_INVAL;</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">goto</span> errout_close;</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">if</span> ((err = classid_map_add(classid, tok)) < 0)</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">goto</span> errout_close;</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  }</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  err = 0;</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  last_read = st.st_mtime;</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> </div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> errout_close:</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  fclose(fd);</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> errout:</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  free(path);</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> </div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> }</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> </div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="keywordtype">int</span> rtnl_classid_generate(<span class="keyword">const</span> <span class="keywordtype">char</span> *name, uint32_t *result, uint32_t parent)</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> {</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keyword">static</span> uint32_t base = 0x4000 << 16;</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  uint32_t classid;</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordtype">char</span> *path;</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  FILE *fd;</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordtype">int</span> err = 0;</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> </div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">if</span> (parent == TC_H_ROOT || parent == TC_H_INGRESS) {</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  base += (1 << 16);</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">if</span> (base == TC_H_MAJ(TC_H_ROOT))</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  base = 0x4000 << 16;</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  } <span class="keywordflow">while</span> (name_lookup(base));</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  classid = base;</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  classid = TC_H_MAJ(parent);</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">if</span> (TC_H_MIN(++classid) == TC_H_MIN(TC_H_ROOT))</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">return</span> -NLE_RANGE;</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  } <span class="keywordflow">while</span> (name_lookup(classid));</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  }</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> </div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  NL_DBG(2, <span class="stringliteral">"Generated new classid %#x\n"</span>, classid);</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> </div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">if</span> (build_sysconf_path(&path, <span class="stringliteral">"classid"</span>) < 0)</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">return</span> -NLE_NOMEM;</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordflow">if</span> (!(fd = fopen(path, <span class="stringliteral">"a"</span>))) {</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  err = -nl_syserr2nlerr(errno);</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">goto</span> errout;</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  }</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  fprintf(fd, <span class="stringliteral">"%x:"</span>, TC_H_MAJ(classid) >> 16);</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">if</span> (TC_H_MIN(classid))</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  fprintf(fd, <span class="stringliteral">"%x"</span>, TC_H_MIN(classid));</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  fprintf(fd, <span class="stringliteral">"\t\t\t%s\n"</span>, name);</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> </div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  fclose(fd);</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> </div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">if</span> ((err = classid_map_add(classid, name)) < 0) {</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="comment"> * Error adding classid map, re-read classid file is best</span></div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="comment"> * option here. It is likely to fail as well but better</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="comment"> * than nothing, entry was added to the file already anyway.</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <a class="code" href="group__classid.html#gaffd3b96542fef6c1f39ebb59938e69cb" title="(Re-)read classid file">rtnl_tc_read_classid_file</a>();</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  }</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> </div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  *result = classid;</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  err = 0;</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> errout:</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  free(path);</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> }</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="comment"></span></div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="comment">/** @} */</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> </div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="keyword">static</span> <span class="keywordtype">void</span> __init classid_init(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span> {</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordtype">int</span> err, i;</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> </div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">for</span> (i = 0; i < CLASSID_NAME_HT_SIZ; i++)</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  nl_init_list_head(&tbl_name[i]);</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> </div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">if</span> ((err = <a class="code" href="group__classid.html#gaffd3b96542fef6c1f39ebb59938e69cb" title="(Re-)read classid file">rtnl_tc_read_classid_file</a>()) < 0)</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  NL_DBG(1, <span class="stringliteral">"Failed to read classid file: %s\n"</span>, nl_geterror(err));</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> }</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> </div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="keyword">static</span> <span class="keywordtype">void</span> free_map(<span class="keywordtype">void</span> *map) {</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  free(((<span class="keyword">struct</span> <a class="code" href="structclassid__map.html">classid_map</a> *)map)->name);</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  free(map);</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> };</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> </div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="keyword">static</span> <span class="keywordtype">void</span> __exit classid_exit(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> {</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  tdestroy(id_root, free_map);</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span> }<span class="comment"></span></div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment">/** @} */</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_6ea1c71b5c80bed88332ed2515f92a3e.html">route</a></li><li class="navelem"><b>classid.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>
