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 <span id="projectnumber">3.2.21</span>
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<div class="title">hashtable.h</div> </div>
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<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"> * netlink/hashtable.h Netlink hashtable Utilities</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) 2012 Cumulus Networks, Inc</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> </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#ifndef NETLINK_HASHTABLE_H_</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor"></span><span class="preprocessor">#define NETLINK_HASHTABLE_H_</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00019"></a><span class="lineno"><a class="code" href="structnl__hash__node.html"> 19</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structnl__hash__node.html">nl_hash_node</a> {</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  uint32_t key;</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  uint32_t key_size;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">struct </span>nl_object * obj;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">struct </span><a class="code" href="structnl__hash__node.html">nl_hash_node</a> * next;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> } <a class="code" href="structnl__hash__node.html">nl_hash_node_t</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"><a class="code" href="structnl__hash__table.html"> 26</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structnl__hash__table.html">nl_hash_table</a> {</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordtype">int</span> size;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <a class="code" href="structnl__hash__node.html">nl_hash_node_t</a> ** nodes;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> } <a class="code" href="structnl__hash__table.html">nl_hash_table_t</a>;</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="comment">/* Default hash table size */</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#define NL_MAX_HASH_ENTRIES 1024</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">/* Access Functions */</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">extern</span> <a class="code" href="structnl__hash__table.html">nl_hash_table_t</a> * <a class="code" href="group__hashtable.html#ga385592984c127646229f450e68d54631" title="Allocate hashtable.">nl_hash_table_alloc</a>(<span class="keywordtype">int</span> size);</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="group__hashtable.html#gab2864190a037e7700373998c6e0d4a56" title="Free hashtable including all nodes.">nl_hash_table_free</a>(<a class="code" href="structnl__hash__table.html">nl_hash_table_t</a> *ht);</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="group__hashtable.html#gace900b7a8a1e95df3c19f67ee753e0b5" title="Add object to hashtable.">nl_hash_table_add</a>(<a class="code" href="structnl__hash__table.html">nl_hash_table_t</a> *ht,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">struct</span> nl_object *obj);</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="group__hashtable.html#ga6946a161136a7fb529e80a6d4baa7fab" title="Remove object from hashtable.">nl_hash_table_del</a>(<a class="code" href="structnl__hash__table.html">nl_hash_table_t</a> *ht,</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">struct</span> nl_object *obj);</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">extern</span> <span class="keyword">struct </span>nl_object * <a class="code" href="group__hashtable.html#ga059693df3f3b6166895c053754fb2c3e" title="Lookup identical object in hashtable.">nl_hash_table_lookup</a>(<a class="code" href="structnl__hash__table.html">nl_hash_table_t</a> *ht,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">struct</span> nl_object *obj);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">extern</span> uint32_t nl_hash(<span class="keywordtype">void</span> *k, <span class="keywordtype">size_t</span> length,</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  uint32_t initval);</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="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#endif </span><span class="comment">/* NETLINK_HASHTABLE_H_ */</span><span class="preprocessor"></span></div>
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