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<h1>lib/route/nexthop.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/nexthop.c Routing Nexthop</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 route_obj</span>
<a name="l00014"></a>00014 <span class="comment"> * @defgroup nexthop Nexthop</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/netlink.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <netlink/utils.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <netlink/route/rtnl.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <netlink/route/route.h></span>
<a name="l00023"></a>00023 <span class="comment"></span>
<a name="l00024"></a>00024 <span class="comment">/**</span>
<a name="l00025"></a>00025 <span class="comment"> * @name Allocation/Freeing</span>
<a name="l00026"></a>00026 <span class="comment"> * @{</span>
<a name="l00027"></a>00027 <span class="comment"> */</span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keyword">struct </span>rtnl_nexthop *rtnl_route_nh_alloc(<span class="keywordtype">void</span>)
<a name="l00030"></a>00030 {
<a name="l00031"></a>00031 <span class="keyword">struct </span>rtnl_nexthop *nh;
<a name="l00032"></a>00032
<a name="l00033"></a>00033 nh = calloc(1, <span class="keyword">sizeof</span>(*nh));
<a name="l00034"></a>00034 <span class="keywordflow">if</span> (!nh) {
<a name="l00035"></a>00035 nl_errno(ENOMEM);
<a name="l00036"></a>00036 <span class="keywordflow">return</span> NULL;
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038
<a name="l00039"></a>00039 nl_init_list_head(&nh->rtnh_list);
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="keywordflow">return</span> nh;
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">struct </span>rtnl_nexthop *rtnl_route_nh_clone(<span class="keyword">struct</span> rtnl_nexthop *src)
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 <span class="keyword">struct </span>rtnl_nexthop *nh;
<a name="l00047"></a>00047
<a name="l00048"></a>00048 nh = rtnl_route_nh_alloc();
<a name="l00049"></a>00049 <span class="keywordflow">if</span> (!nh)
<a name="l00050"></a>00050 <span class="keywordflow">return</span> NULL;
<a name="l00051"></a>00051
<a name="l00052"></a>00052 nh->rtnh_flags = src->rtnh_flags;
<a name="l00053"></a>00053 nh->rtnh_flag_mask = src->rtnh_flag_mask;
<a name="l00054"></a>00054 nh->rtnh_weight = src->rtnh_weight;
<a name="l00055"></a>00055 nh->rtnh_ifindex = src->rtnh_ifindex;
<a name="l00056"></a>00056 nh->rtnh_mask = src->rtnh_mask;
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keywordflow">if</span> (src->rtnh_gateway) {
<a name="l00059"></a>00059 nh->rtnh_gateway = <a class="code" href="group__addr.html#ga40b37a1ccec7acf84d868e588e516cba" title="Clone existing abstract address object.">nl_addr_clone</a>(src->rtnh_gateway);
<a name="l00060"></a>00060 <span class="keywordflow">if</span> (!nh->rtnh_gateway) {
<a name="l00061"></a>00061 free(nh);
<a name="l00062"></a>00062 <span class="keywordflow">return</span> NULL;
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordflow">return</span> nh;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordtype">void</span> rtnl_route_nh_free(<span class="keyword">struct</span> rtnl_nexthop *nh)
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 nl_addr_put(nh->rtnh_gateway);
<a name="l00072"></a>00072 free(nh);
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074 <span class="comment"></span>
<a name="l00075"></a>00075 <span class="comment">/** @} */</span>
<a name="l00076"></a>00076 <span class="comment"></span>
<a name="l00077"></a>00077 <span class="comment">/**</span>
<a name="l00078"></a>00078 <span class="comment"> * @name Attributes</span>
<a name="l00079"></a>00079 <span class="comment"> */</span>
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keywordtype">void</span> rtnl_route_nh_set_weight(<span class="keyword">struct</span> rtnl_nexthop *nh, <span class="keywordtype">int</span> weight)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 nh->rtnh_weight = weight;
<a name="l00084"></a>00084 nh->rtnh_mask |= NEXTHOP_HAS_WEIGHT;
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="keywordtype">int</span> rtnl_route_nh_get_weight(<span class="keyword">struct</span> rtnl_nexthop *nh)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <span class="keywordflow">if</span> (nh->rtnh_mask & NEXTHOP_HAS_WEIGHT)
<a name="l00090"></a>00090 <span class="keywordflow">return</span> nh->rtnh_weight;
<a name="l00091"></a>00091 <span class="keywordflow">else</span>
<a name="l00092"></a>00092 <span class="keywordflow">return</span> 0;
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="keywordtype">void</span> rtnl_route_nh_set_ifindex(<span class="keyword">struct</span> rtnl_nexthop *nh, <span class="keywordtype">int</span> ifindex)
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 nh->rtnh_ifindex = ifindex;
<a name="l00098"></a>00098 nh->rtnh_mask |= NEXTHOP_HAS_IFINDEX;
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keywordtype">int</span> rtnl_route_nh_get_ifindex(<span class="keyword">struct</span> rtnl_nexthop *nh)
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 <span class="keywordflow">if</span> (nh->rtnh_mask & NEXTHOP_HAS_IFINDEX)
<a name="l00104"></a>00104 <span class="keywordflow">return</span> nh->rtnh_ifindex;
<a name="l00105"></a>00105 <span class="keywordflow">else</span>
<a name="l00106"></a>00106 <span class="keywordflow">return</span> -1;
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keywordtype">void</span> rtnl_route_nh_set_gateway(<span class="keyword">struct</span> rtnl_nexthop *nh, <span class="keyword">struct</span> nl_addr *addr)
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <span class="keyword">struct </span>nl_addr *old = nh->rtnh_gateway;
<a name="l00112"></a>00112
<a name="l00113"></a>00113 nh->rtnh_gateway = nl_addr_get(addr);
<a name="l00114"></a>00114 <span class="keywordflow">if</span> (old)
<a name="l00115"></a>00115 nl_addr_put(old);
<a name="l00116"></a>00116
<a name="l00117"></a>00117 nh->rtnh_mask |= NEXTHOP_HAS_GATEWAY;
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keyword">struct </span>nl_addr *rtnl_route_nh_get_gateway(<span class="keyword">struct</span> rtnl_nexthop *nh)
<a name="l00121"></a>00121 {
<a name="l00122"></a>00122 <span class="keywordflow">if</span> (nh->rtnh_mask & NEXTHOP_HAS_GATEWAY)
<a name="l00123"></a>00123 <span class="keywordflow">return</span> nh->rtnh_gateway;
<a name="l00124"></a>00124 <span class="keywordflow">else</span>
<a name="l00125"></a>00125 <span class="keywordflow">return</span> NULL;
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordtype">void</span> rtnl_route_nh_set_flags(<span class="keyword">struct</span> rtnl_nexthop *nh, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags)
<a name="l00129"></a>00129 {
<a name="l00130"></a>00130 nh->rtnh_flag_mask |= flags;
<a name="l00131"></a>00131 nh->rtnh_flags |= flags;
<a name="l00132"></a>00132 nh->rtnh_mask |= NEXTHOP_HAS_FLAGS;
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordtype">void</span> rtnl_route_nh_unset_flags(<span class="keyword">struct</span> rtnl_nexthop *nh, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags)
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137 nh->rtnh_flag_mask |= flags;
<a name="l00138"></a>00138 nh->rtnh_flags &= ~flags;
<a name="l00139"></a>00139 nh->rtnh_mask |= NEXTHOP_HAS_FLAGS;
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> rtnl_route_nh_get_flags(<span class="keyword">struct</span> rtnl_nexthop *nh)
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144 <span class="keywordflow">if</span> (nh->rtnh_mask & NEXTHOP_HAS_FLAGS)
<a name="l00145"></a>00145 <span class="keywordflow">return</span> nh->rtnh_flags;
<a name="l00146"></a>00146 <span class="keywordflow">else</span>
<a name="l00147"></a>00147 <span class="keywordflow">return</span> 0;
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 <span class="comment"></span>
<a name="l00150"></a>00150 <span class="comment">/** @} */</span><span class="comment"></span>
<a name="l00151"></a>00151 <span class="comment">/** @} */</span>
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