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<h1>lib/fib_lookup/request.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/fib_lookup/request.c FIB Lookup Request</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 fib_lookup</span>
<a name="l00014"></a>00014 <span class="comment"> * @defgroup flreq Request</span>
<a name="l00015"></a>00015 <span class="comment"> * @brief</span>
<a name="l00016"></a>00016 <span class="comment"> * @{</span>
<a name="l00017"></a>00017 <span class="comment"> */</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#include <netlink-local.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/attr.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <netlink/utils.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <netlink/object.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <netlink/fib_lookup/request.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="structnl__object__ops.html" title="Object Operations.">nl_object_ops</a> request_obj_ops;
<a name="l00027"></a>00027 <span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">/** @cond SKIP */</span>
<a name="l00029"></a>00029 <span class="preprocessor">#define REQUEST_ATTR_ADDR 0x01</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define REQUEST_ATTR_FWMARK 0x02</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#define REQUEST_ATTR_TOS 0x04</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#define REQUEST_ATTR_SCOPE 0x08</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#define REQUEST_ATTR_TABLE 0x10</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="comment">/** @endcond */</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">static</span> <span class="keywordtype">void</span> request_free_data(<span class="keyword">struct</span> nl_object *obj)
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <span class="keyword">struct </span>flnl_request *req = REQUEST_CAST(obj);
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="keywordflow">if</span> (req)
<a name="l00041"></a>00041 nl_addr_put(req->lr_addr);
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">static</span> <span class="keywordtype">int</span> request_clone(<span class="keyword">struct</span> nl_object *_dst, <span class="keyword">struct</span> nl_object *_src)
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 <span class="keyword">struct </span>flnl_request *dst = nl_object_priv(_dst);
<a name="l00047"></a>00047 <span class="keyword">struct </span>flnl_request *src = nl_object_priv(_src);
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keywordflow">if</span> (src->lr_addr)
<a name="l00050"></a>00050 <span class="keywordflow">if</span> (!(dst->lr_addr = <a class="code" href="group__addr.html#ga40b37a1ccec7acf84d868e588e516cba" title="Clone existing abstract address object.">nl_addr_clone</a>(src->lr_addr)))
<a name="l00051"></a>00051 <span class="keywordflow">goto</span> errout;
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordflow">return</span> 0;
<a name="l00054"></a>00054 errout:
<a name="l00055"></a>00055 <span class="keywordflow">return</span> nl_get_errno();
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keyword">static</span> <span class="keywordtype">int</span> request_compare(<span class="keyword">struct</span> nl_object *_a, <span class="keyword">struct</span> nl_object *_b,
<a name="l00059"></a>00059 uint32_t attrs, <span class="keywordtype">int</span> flags)
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 <span class="keyword">struct </span>flnl_request *a = (<span class="keyword">struct </span>flnl_request *) _a;
<a name="l00062"></a>00062 <span class="keyword">struct </span>flnl_request *b = (<span class="keyword">struct </span>flnl_request *) _b;
<a name="l00063"></a>00063 <span class="keywordtype">int</span> diff = 0;
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="preprocessor">#define REQ_DIFF(ATTR, EXPR) ATTR_DIFF(attrs, REQUEST_ATTR_##ATTR, a, b, EXPR)</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span>
<a name="l00067"></a>00067 diff |= REQ_DIFF(FWMARK, a->lr_fwmark != b->lr_fwmark);
<a name="l00068"></a>00068 diff |= REQ_DIFF(TOS, a->lr_tos != b->lr_tos);
<a name="l00069"></a>00069 diff |= REQ_DIFF(SCOPE, a->lr_scope != b->lr_scope);
<a name="l00070"></a>00070 diff |= REQ_DIFF(TABLE, a->lr_table != b->lr_table);
<a name="l00071"></a>00071 diff |= REQ_DIFF(ADDR, <a class="code" href="group__addr.html#ga3b85d180a4f6d2df86be1dc8798a7d9a" title="Compares two abstract address objects.">nl_addr_cmp</a>(a->lr_addr, b->lr_addr));
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="preprocessor">#undef REQ_DIFF</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span>
<a name="l00075"></a>00075 <span class="keywordflow">return</span> diff;
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="comment"></span>
<a name="l00079"></a>00079 <span class="comment">/**</span>
<a name="l00080"></a>00080 <span class="comment"> * @name Lookup Request Creation/Deletion</span>
<a name="l00081"></a>00081 <span class="comment"> * @{</span>
<a name="l00082"></a>00082 <span class="comment"> */</span>
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keyword">struct </span>flnl_request *flnl_request_alloc(<span class="keywordtype">void</span>)
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 <span class="keywordflow">return</span> REQUEST_CAST(<a class="code" href="group__object.html#ga9c1f2fd887d8325839f452879cdf982a" title="Allocate a new object of kind specified by the operations handle.">nl_object_alloc</a>(&request_obj_ops));
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088 <span class="comment"></span>
<a name="l00089"></a>00089 <span class="comment">/** @} */</span>
<a name="l00090"></a>00090 <span class="comment"></span>
<a name="l00091"></a>00091 <span class="comment">/**</span>
<a name="l00092"></a>00092 <span class="comment"> * @name Attributes</span>
<a name="l00093"></a>00093 <span class="comment"> * @{</span>
<a name="l00094"></a>00094 <span class="comment"> */</span>
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keywordtype">void</span> flnl_request_set_fwmark(<span class="keyword">struct</span> flnl_request *req, uint64_t fwmark)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 req->lr_fwmark = fwmark;
<a name="l00099"></a>00099 req->ce_mask |= REQUEST_ATTR_FWMARK;
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 uint64_t flnl_request_get_fwmark(<span class="keyword">struct</span> flnl_request *req)
<a name="l00103"></a>00103 {
<a name="l00104"></a>00104 <span class="keywordflow">if</span> (req->ce_mask & REQUEST_ATTR_FWMARK)
<a name="l00105"></a>00105 <span class="keywordflow">return</span> req->lr_fwmark;
<a name="l00106"></a>00106 <span class="keywordflow">else</span>
<a name="l00107"></a>00107 <span class="keywordflow">return</span> UINT_LEAST64_MAX;
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordtype">void</span> flnl_request_set_tos(<span class="keyword">struct</span> flnl_request *req, <span class="keywordtype">int</span> tos)
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 req->lr_tos = tos;
<a name="l00113"></a>00113 req->ce_mask |= REQUEST_ATTR_TOS;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordtype">int</span> flnl_request_get_tos(<span class="keyword">struct</span> flnl_request *req)
<a name="l00117"></a>00117 {
<a name="l00118"></a>00118 <span class="keywordflow">if</span> (req->ce_mask & REQUEST_ATTR_TOS)
<a name="l00119"></a>00119 <span class="keywordflow">return</span> req->lr_tos;
<a name="l00120"></a>00120 <span class="keywordflow">else</span>
<a name="l00121"></a>00121 <span class="keywordflow">return</span> -1;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keywordtype">void</span> flnl_request_set_scope(<span class="keyword">struct</span> flnl_request *req, <span class="keywordtype">int</span> scope)
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 req->lr_scope = scope;
<a name="l00127"></a>00127 req->ce_mask |= REQUEST_ATTR_SCOPE;
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keywordtype">int</span> flnl_request_get_scope(<span class="keyword">struct</span> flnl_request *req)
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 <span class="keywordflow">if</span> (req->ce_mask & REQUEST_ATTR_SCOPE)
<a name="l00133"></a>00133 <span class="keywordflow">return</span> req->lr_scope;
<a name="l00134"></a>00134 <span class="keywordflow">else</span>
<a name="l00135"></a>00135 <span class="keywordflow">return</span> -1;
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137
<a name="l00138"></a>00138 <span class="keywordtype">void</span> flnl_request_set_table(<span class="keyword">struct</span> flnl_request *req, <span class="keywordtype">int</span> table)
<a name="l00139"></a>00139 {
<a name="l00140"></a>00140 req->lr_table = table;
<a name="l00141"></a>00141 req->ce_mask |= REQUEST_ATTR_TABLE;
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="keywordtype">int</span> flnl_request_get_table(<span class="keyword">struct</span> flnl_request *req)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 <span class="keywordflow">if</span> (req->ce_mask & REQUEST_ATTR_TABLE)
<a name="l00147"></a>00147 <span class="keywordflow">return</span> req->lr_table;
<a name="l00148"></a>00148 <span class="keywordflow">else</span>
<a name="l00149"></a>00149 <span class="keywordflow">return</span> -1;
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="keywordtype">int</span> flnl_request_set_addr(<span class="keyword">struct</span> flnl_request *req, <span class="keyword">struct</span> nl_addr *addr)
<a name="l00153"></a>00153 {
<a name="l00154"></a>00154 <span class="keywordflow">if</span> (addr->a_family != AF_INET)
<a name="l00155"></a>00155 <span class="keywordflow">return</span> nl_error(EINVAL, <span class="stringliteral">"Address must be an IPv4 address"</span>);
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keywordflow">if</span> (req->lr_addr)
<a name="l00158"></a>00158 nl_addr_put(req->lr_addr);
<a name="l00159"></a>00159
<a name="l00160"></a>00160 nl_addr_get(addr);
<a name="l00161"></a>00161 req->lr_addr = addr;
<a name="l00162"></a>00162
<a name="l00163"></a>00163 req->ce_mask |= REQUEST_ATTR_ADDR;
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="keywordflow">return</span> 0;
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keyword">struct </span>nl_addr *flnl_request_get_addr(<span class="keyword">struct</span> flnl_request *req)
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170 <span class="keywordflow">if</span> (req->ce_mask & REQUEST_ATTR_ADDR)
<a name="l00171"></a>00171 <span class="keywordflow">return</span> req->lr_addr;
<a name="l00172"></a>00172 <span class="keywordflow">else</span>
<a name="l00173"></a>00173 <span class="keywordflow">return</span> NULL;
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175 <span class="comment"></span>
<a name="l00176"></a>00176 <span class="comment">/** @} */</span>
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structnl__object__ops.html" title="Object Operations.">nl_object_ops</a> request_obj_ops = {
<a name="l00179"></a>00179 .<a class="code" href="structnl__object__ops.html#a5225584343fe711642303e000b036ee9" title="Unique name of object type.">oo_name</a> = <span class="stringliteral">"fib_lookup/request"</span>,
<a name="l00180"></a>00180 .oo_size = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>flnl_request),
<a name="l00181"></a>00181 .oo_free_data = request_free_data,
<a name="l00182"></a>00182 .oo_clone = request_clone,
<a name="l00183"></a>00183 .oo_compare = request_compare,
<a name="l00184"></a>00184 .oo_id_attrs = ~0,
<a name="l00185"></a>00185 };
<a name="l00186"></a>00186 <span class="comment"></span>
<a name="l00187"></a>00187 <span class="comment">/** @} */</span>
</pre></div></div>
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