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libnl-devel-1.1-14.fc14.x86_64.rpm

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<h1>lib/route/rtnl.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/rtnl.c             Routing Netlink</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 &lt;tgraf@suug.ch&gt;</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 nlfam</span>
<a name="l00014"></a>00014 <span class="comment"> * @defgroup rtnl Routing Netlink</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 &lt;netlink-local.h&gt;</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include &lt;netlink/netlink.h&gt;</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include &lt;netlink/utils.h&gt;</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include &lt;netlink/route/rtnl.h&gt;</span>
<a name="l00022"></a>00022 <span class="comment"></span>
<a name="l00023"></a>00023 <span class="comment">/**</span>
<a name="l00024"></a>00024 <span class="comment"> * @name Sending</span>
<a name="l00025"></a>00025 <span class="comment"> * @{</span>
<a name="l00026"></a>00026 <span class="comment"> */</span>
<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"> * Send routing netlink request message</span>
<a name="l00030"></a>00030 <span class="comment"> * @arg handle          Netlink handle.</span>
<a name="l00031"></a>00031 <span class="comment"> * @arg type            Netlink message type.</span>
<a name="l00032"></a>00032 <span class="comment"> * @arg family          Address family.</span>
<a name="l00033"></a>00033 <span class="comment"> * @arg flags           Additional netlink message flags.</span>
<a name="l00034"></a>00034 <span class="comment"> *</span>
<a name="l00035"></a>00035 <span class="comment"> * Fills out a routing netlink request message and sends it out</span>
<a name="l00036"></a>00036 <span class="comment"> * using nl_send_simple().</span>
<a name="l00037"></a>00037 <span class="comment"> *</span>
<a name="l00038"></a>00038 <span class="comment"> * @return 0 on success or a negative error code.</span>
<a name="l00039"></a>00039 <span class="comment"> */</span>
<a name="l00040"></a><a class="code" href="group__rtnl.html#ga1fcd1a88d7f810c50849f13d97b5fe10">00040</a> <span class="keywordtype">int</span> <a class="code" href="group__rtnl.html#ga1fcd1a88d7f810c50849f13d97b5fe10" title="Send routing netlink request message.">nl_rtgen_request</a>(<span class="keyword">struct</span> nl_handle *handle, <span class="keywordtype">int</span> type, <span class="keywordtype">int</span> family, <span class="keywordtype">int</span> flags)
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042         <span class="keyword">struct </span>rtgenmsg gmsg = {
<a name="l00043"></a>00043                 .rtgen_family = family,
<a name="l00044"></a>00044         };
<a name="l00045"></a>00045 
<a name="l00046"></a>00046         <span class="keywordflow">return</span> <a class="code" href="group__nl.html#ga73ed88a505f2d67bcf328183fe1e692a" title="Send simple netlink message using nl_send_auto_complete()">nl_send_simple</a>(handle, type, flags, &amp;gmsg, <span class="keyword">sizeof</span>(gmsg));
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048 <span class="comment"></span>
<a name="l00049"></a>00049 <span class="comment">/** @} */</span>
<a name="l00050"></a>00050 <span class="comment"></span>
<a name="l00051"></a>00051 <span class="comment">/**</span>
<a name="l00052"></a>00052 <span class="comment"> * @name Routing Type Translations</span>
<a name="l00053"></a>00053 <span class="comment"> * @{</span>
<a name="l00054"></a>00054 <span class="comment"> */</span>
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 <span class="keyword">static</span> <span class="keyword">struct </span>trans_tbl rtntypes[] = {
<a name="l00057"></a>00057         __ADD(RTN_UNSPEC,unspec)
<a name="l00058"></a>00058         __ADD(RTN_UNICAST,unicast)
<a name="l00059"></a>00059         __ADD(RTN_LOCAL,local)
<a name="l00060"></a>00060         __ADD(RTN_BROADCAST,broadcast)
<a name="l00061"></a>00061         __ADD(RTN_ANYCAST,anycast)
<a name="l00062"></a>00062         __ADD(RTN_MULTICAST,multicast)
<a name="l00063"></a>00063         __ADD(RTN_BLACKHOLE,blackhole)
<a name="l00064"></a>00064         __ADD(RTN_UNREACHABLE,unreachable)
<a name="l00065"></a>00065         __ADD(RTN_PROHIBIT,prohibit)
<a name="l00066"></a>00066         __ADD(RTN_THROW,throw)
<a name="l00067"></a>00067         __ADD(RTN_NAT,nat)
<a name="l00068"></a>00068         __ADD(RTN_XRESOLVE,xresolve)
<a name="l00069"></a>00069 };
<a name="l00070"></a>00070 
<a name="l00071"></a>00071 <span class="keywordtype">char</span> *nl_rtntype2str(<span class="keywordtype">int</span> type, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> size)
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073         <span class="keywordflow">return</span> __type2str(type, buf, size, rtntypes, ARRAY_SIZE(rtntypes));
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075 
<a name="l00076"></a>00076 <span class="keywordtype">int</span> nl_str2rtntype(<span class="keyword">const</span> <span class="keywordtype">char</span> *name)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078         <span class="keywordflow">return</span> __str2type(name, rtntypes, ARRAY_SIZE(rtntypes));
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080 <span class="comment"></span>
<a name="l00081"></a>00081 <span class="comment">/** @} */</span>
<a name="l00082"></a>00082 <span class="comment"></span>
<a name="l00083"></a>00083 <span class="comment">/**</span>
<a name="l00084"></a>00084 <span class="comment"> * @name Scope Translations</span>
<a name="l00085"></a>00085 <span class="comment"> * @{</span>
<a name="l00086"></a>00086 <span class="comment"> */</span>
<a name="l00087"></a>00087 
<a name="l00088"></a>00088 <span class="keyword">static</span> <span class="keyword">struct </span>trans_tbl scopes[] = {
<a name="l00089"></a>00089         __ADD(255,nowhere)
<a name="l00090"></a>00090         __ADD(254,host)
<a name="l00091"></a>00091         __ADD(253,link)
<a name="l00092"></a>00092         __ADD(200,site)
<a name="l00093"></a>00093         __ADD(0,universe)
<a name="l00094"></a>00094 };
<a name="l00095"></a>00095 
<a name="l00096"></a>00096 <span class="keywordtype">char</span> *rtnl_scope2str(<span class="keywordtype">int</span> scope, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> size)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098         <span class="keywordflow">return</span> __type2str(scope, buf, size, scopes, ARRAY_SIZE(scopes));
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100 
<a name="l00101"></a>00101 <span class="keywordtype">int</span> rtnl_str2scope(<span class="keyword">const</span> <span class="keywordtype">char</span> *name)
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103         <span class="keywordflow">return</span> __str2type(name, scopes, ARRAY_SIZE(scopes));
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105 <span class="comment"></span>
<a name="l00106"></a>00106 <span class="comment">/** @} */</span>
<a name="l00107"></a>00107 <span class="comment"></span>
<a name="l00108"></a>00108 <span class="comment">/**</span>
<a name="l00109"></a>00109 <span class="comment"> * @name Realms Translations</span>
<a name="l00110"></a>00110 <span class="comment"> * @{</span>
<a name="l00111"></a>00111 <span class="comment"> */</span>
<a name="l00112"></a>00112 
<a name="l00113"></a>00113 <span class="keywordtype">char</span> * rtnl_realms2str(uint32_t realms, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> len)
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115         <span class="keywordtype">int</span> from = <a class="code" href="group__rtnl.html#gaddef770de253f34324768d500efc7dce" title="Extract FROM realm from a realms field.">RTNL_REALM_FROM</a>(realms);
<a name="l00116"></a>00116         <span class="keywordtype">int</span> to = <a class="code" href="group__rtnl.html#ga1e942239f430a30cc570989ed612a927" title="Extract TO realm from a realms field.">RTNL_REALM_TO</a>(realms);
<a name="l00117"></a>00117 
<a name="l00118"></a>00118         snprintf(buf, len, <span class="stringliteral">&quot;%d/%d&quot;</span>, from, to);
<a name="l00119"></a>00119 
<a name="l00120"></a>00120         <span class="keywordflow">return</span> buf;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 <span class="comment"></span>
<a name="l00123"></a>00123 <span class="comment">/** @} */</span>
<a name="l00124"></a>00124 <span class="comment"></span>
<a name="l00125"></a>00125 <span class="comment">/** @} */</span>
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