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<h1>lib/route/class_api.c</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * lib/route/class_api.c Queueing Classes Module API</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00005"></a>00005 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00006"></a>00006 <span class="comment"> * License as published by the Free Software Foundation version 2.1</span>
<a name="l00007"></a>00007 <span class="comment"> * of the License.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch></span>
<a name="l00010"></a>00010 <span class="comment"> */</span>
<a name="l00011"></a>00011 <span class="comment"></span>
<a name="l00012"></a>00012 <span class="comment">/**</span>
<a name="l00013"></a>00013 <span class="comment"> * @ingroup class</span>
<a name="l00014"></a>00014 <span class="comment"> * @defgroup class_api Class Modules</span>
<a name="l00015"></a>00015 <span class="comment"> * @{</span>
<a name="l00016"></a>00016 <span class="comment"> */</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#include <netlink-local.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <netlink-tc.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <netlink/netlink.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <netlink/route/tc.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <netlink/route/class.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <netlink/route/class-modules.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <netlink/utils.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structrtnl__class__ops.html" title="Class operations.">rtnl_class_ops</a> *class_ops_list;
<a name="l00027"></a>00027 <span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">/**</span>
<a name="l00029"></a>00029 <span class="comment"> * @name Module API</span>
<a name="l00030"></a>00030 <span class="comment"> * @{</span>
<a name="l00031"></a>00031 <span class="comment"> */</span>
<a name="l00032"></a>00032 <span class="comment"></span>
<a name="l00033"></a>00033 <span class="comment">/**</span>
<a name="l00034"></a>00034 <span class="comment"> * Register a class module</span>
<a name="l00035"></a>00035 <span class="comment"> * @arg cops class module operations</span>
<a name="l00036"></a>00036 <span class="comment"> */</span>
<a name="l00037"></a><a class="code" href="group__class__api.html#ga4b91aba76921831debf31cca34851e5c">00037</a> <span class="keywordtype">int</span> <a class="code" href="group__class__api.html#ga4b91aba76921831debf31cca34851e5c" title="Register a class module.">rtnl_class_register</a>(<span class="keyword">struct</span> <a class="code" href="structrtnl__class__ops.html" title="Class operations.">rtnl_class_ops</a> *cops)
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="keyword">struct </span><a class="code" href="structrtnl__class__ops.html" title="Class operations.">rtnl_class_ops</a> *o, **op;
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="keywordflow">if</span> (!cops-><a class="code" href="structrtnl__class__ops.html#a9811b549e3ce4000bdc2a6354d939a48" title="Kind/Name of class.">co_kind</a>[0])
<a name="l00042"></a>00042 BUG();
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keywordflow">for</span> (op = &class_ops_list; (o = *op) != NULL; op = &o-><a class="code" href="structrtnl__class__ops.html#ae8f921bcb416747a5f348f6b903350ad" title="INTERNAL (Do not use)">co_next</a>)
<a name="l00045"></a>00045 <span class="keywordflow">if</span> (!strcasecmp(cops-><a class="code" href="structrtnl__class__ops.html#a9811b549e3ce4000bdc2a6354d939a48" title="Kind/Name of class.">co_kind</a>, o-><a class="code" href="structrtnl__class__ops.html#a9811b549e3ce4000bdc2a6354d939a48" title="Kind/Name of class.">co_kind</a>))
<a name="l00046"></a>00046 <span class="keywordflow">return</span> nl_errno(EEXIST);
<a name="l00047"></a>00047
<a name="l00048"></a>00048 cops-><a class="code" href="structrtnl__class__ops.html#ae8f921bcb416747a5f348f6b903350ad" title="INTERNAL (Do not use)">co_next</a> = NULL;
<a name="l00049"></a>00049 *op = cops;
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keywordflow">return</span> 0;
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053 <span class="comment"></span>
<a name="l00054"></a>00054 <span class="comment">/**</span>
<a name="l00055"></a>00055 <span class="comment"> * Unregister a class module</span>
<a name="l00056"></a>00056 <span class="comment"> * @arg cops class module operations</span>
<a name="l00057"></a>00057 <span class="comment"> */</span>
<a name="l00058"></a><a class="code" href="group__class__api.html#ga2ee825cb98cd61b36c92bbde009cda79">00058</a> <span class="keywordtype">int</span> <a class="code" href="group__class__api.html#ga2ee825cb98cd61b36c92bbde009cda79" title="Unregister a class module.">rtnl_class_unregister</a>(<span class="keyword">struct</span> <a class="code" href="structrtnl__class__ops.html" title="Class operations.">rtnl_class_ops</a> *cops)
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 <span class="keyword">struct </span><a class="code" href="structrtnl__class__ops.html" title="Class operations.">rtnl_class_ops</a> *o, **op;
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keywordflow">for</span> (op = &class_ops_list; (o = *op) != NULL; op = &o-><a class="code" href="structrtnl__class__ops.html#ae8f921bcb416747a5f348f6b903350ad" title="INTERNAL (Do not use)">co_next</a>)
<a name="l00063"></a>00063 <span class="keywordflow">if</span> (!strcasecmp(cops-><a class="code" href="structrtnl__class__ops.html#a9811b549e3ce4000bdc2a6354d939a48" title="Kind/Name of class.">co_kind</a>, o-><a class="code" href="structrtnl__class__ops.html#a9811b549e3ce4000bdc2a6354d939a48" title="Kind/Name of class.">co_kind</a>))
<a name="l00064"></a>00064 <span class="keywordflow">break</span>;
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordflow">if</span> (!o)
<a name="l00067"></a>00067 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00068"></a>00068
<a name="l00069"></a>00069 *op = cops-><a class="code" href="structrtnl__class__ops.html#ae8f921bcb416747a5f348f6b903350ad" title="INTERNAL (Do not use)">co_next</a>;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordflow">return</span> 0;
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">struct </span><a class="code" href="structrtnl__class__ops.html" title="Class operations.">rtnl_class_ops</a> *__rtnl_class_lookup_ops(<span class="keyword">const</span> <span class="keywordtype">char</span> *kind)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="keyword">struct </span><a class="code" href="structrtnl__class__ops.html" title="Class operations.">rtnl_class_ops</a> *cops;
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keywordflow">for</span> (cops = class_ops_list; cops; cops = cops-><a class="code" href="structrtnl__class__ops.html#ae8f921bcb416747a5f348f6b903350ad" title="INTERNAL (Do not use)">co_next</a>)
<a name="l00079"></a>00079 <span class="keywordflow">if</span> (!strcmp(kind, cops-><a class="code" href="structrtnl__class__ops.html#a9811b549e3ce4000bdc2a6354d939a48" title="Kind/Name of class.">co_kind</a>))
<a name="l00080"></a>00080 <span class="keywordflow">return</span> cops;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordflow">return</span> NULL;
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 <span class="comment"></span>
<a name="l00085"></a>00085 <span class="comment">/**</span>
<a name="l00086"></a>00086 <span class="comment"> * Lookup class operations for a class object</span>
<a name="l00087"></a>00087 <span class="comment"> * @arg class Class object.</span>
<a name="l00088"></a>00088 <span class="comment"> *</span>
<a name="l00089"></a>00089 <span class="comment"> * @return Class operations or NULL if not found.</span>
<a name="l00090"></a>00090 <span class="comment"> */</span>
<a name="l00091"></a><a class="code" href="group__class__api.html#ga13a2a79684317e5ccffff7dc89f79ab6">00091</a> <span class="keyword">struct </span><a class="code" href="structrtnl__class__ops.html" title="Class operations.">rtnl_class_ops</a> *<a class="code" href="group__class__api.html#ga13a2a79684317e5ccffff7dc89f79ab6" title="Lookup class operations for a class object.">rtnl_class_lookup_ops</a>(<span class="keyword">struct</span> rtnl_class *<span class="keyword">class</span>)
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 <span class="keywordflow">if</span> (!class->c_ops)
<a name="l00094"></a>00094 <span class="keyword">class</span>->c_ops = __rtnl_class_lookup_ops(class->c_kind);
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keywordflow">return</span> <span class="keyword">class</span>->c_ops;
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="comment"></span>
<a name="l00100"></a>00100 <span class="comment">/** @} */</span>
<a name="l00101"></a>00101 <span class="comment"></span>
<a name="l00102"></a>00102 <span class="comment">/** @} */</span>
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