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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"> * callback.c: A generic callback mechanism </span>
<a name="l00003"></a>00003 <span class="comment"> */</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="preprocessor">#ifndef CALLBACK_H</span>
<a name="l00006"></a>00006 <span class="preprocessor"></span><span class="preprocessor">#define CALLBACK_H</span>
<a name="l00007"></a>00007 <span class="preprocessor"></span>
<a name="l00008"></a>00008 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00010"></a>00010 <span class="preprocessor">#endif</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span>
<a name="l00012"></a>00012 <span class="preprocessor">#define MAX_CALLBACK_IDS 2</span>
<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define MAX_CALLBACK_SUBIDS 16</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span>
<a name="l00015"></a>00015 <span class="comment">/*</span>
<a name="l00016"></a>00016 <span class="comment"> * Callback Major Types </span>
<a name="l00017"></a>00017 <span class="comment"> */</span>
<a name="l00018"></a>00018 <span class="preprocessor">#define SNMP_CALLBACK_LIBRARY 0</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define SNMP_CALLBACK_APPLICATION 1</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="comment">/*</span>
<a name="l00022"></a>00022 <span class="comment"> * SNMP_CALLBACK_LIBRARY minor types </span>
<a name="l00023"></a>00023 <span class="comment"> */</span>
<a name="l00024"></a>00024 <span class="preprocessor">#define SNMP_CALLBACK_POST_READ_CONFIG 0</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define SNMP_CALLBACK_STORE_DATA 1</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#define SNMP_CALLBACK_SHUTDOWN 2</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor">#define SNMP_CALLBACK_POST_PREMIB_READ_CONFIG 3</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#define SNMP_CALLBACK_LOGGING 4</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define SNMP_CALLBACK_SESSION_INIT 5</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">/*</span>
<a name="l00033"></a>00033 <span class="comment"> * Callback priority (lower priority numbers called first(</span>
<a name="l00034"></a>00034 <span class="comment"> */</span>
<a name="l00035"></a>00035 <span class="preprocessor">#define NETSNMP_CALLBACK_HIGHEST_PRIORITY -1024 </span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#define NETSNMP_CALLBACK_DEFAULT_PRIORITY 0</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#define NETSNMP_CALLBACK_LOWEST_PRIORITY 1024</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span>
<a name="l00039"></a>00039 <span class="keyword">typedef</span> int (SNMPCallback) (<span class="keywordtype">int</span> majorID, <span class="keywordtype">int</span> minorID,
<a name="l00040"></a>00040 <span class="keywordtype">void</span> *serverarg, <span class="keywordtype">void</span> *clientarg);
<a name="l00041"></a>00041
<a name="l00042"></a><a class="code" href="structsnmp__gen__callback.html">00042</a> <span class="keyword">struct </span><a class="code" href="structsnmp__gen__callback.html">snmp_gen_callback</a> {
<a name="l00043"></a>00043 SNMPCallback *sc_callback;
<a name="l00044"></a>00044 <span class="keywordtype">void</span> *sc_client_arg;
<a name="l00045"></a>00045 <span class="keywordtype">int</span> priority;
<a name="l00046"></a>00046 <span class="keyword">struct </span><a class="code" href="structsnmp__gen__callback.html">snmp_gen_callback</a> *next;
<a name="l00047"></a>00047 };
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="comment">/*</span>
<a name="l00050"></a>00050 <span class="comment"> * function prototypes </span>
<a name="l00051"></a>00051 <span class="comment"> */</span>
<a name="l00052"></a>00052 <span class="keywordtype">void</span> init_callbacks(<span class="keywordtype">void</span>);
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keywordtype">int</span> netsnmp_register_callback(<span class="keywordtype">int</span> major, <span class="keywordtype">int</span> minor,
<a name="l00055"></a>00055 SNMPCallback * new_callback,
<a name="l00056"></a>00056 <span class="keywordtype">void</span> *arg, <span class="keywordtype">int</span> priority);
<a name="l00057"></a>00057 <span class="keywordtype">int</span> <a class="code" href="group__callback.html#gaa74bcb0ea6a8b7270f5e26746ba1fff1" title="This function registers a generic callback function.">snmp_register_callback</a>(<span class="keywordtype">int</span> major, <span class="keywordtype">int</span> minor,
<a name="l00058"></a>00058 SNMPCallback * new_callback,
<a name="l00059"></a>00059 <span class="keywordtype">void</span> *arg);
<a name="l00060"></a>00060 <span class="keywordtype">int</span> <a class="code" href="group__callback.html#ga9812d01ed88b541cd6c7a64d004564d4" title="This function calls the callback function for each registered callback of type major and minor...">snmp_call_callbacks</a>(<span class="keywordtype">int</span> major, <span class="keywordtype">int</span> minor,
<a name="l00061"></a>00061 <span class="keywordtype">void</span> *caller_arg);
<a name="l00062"></a>00062 <span class="keywordtype">int</span> snmp_callback_available(<span class="keywordtype">int</span> major, <span class="keywordtype">int</span> minor); <span class="comment">/* is >1 available */</span>
<a name="l00063"></a>00063 <span class="keywordtype">int</span> snmp_count_callbacks(<span class="keywordtype">int</span> major, <span class="keywordtype">int</span> minor); <span class="comment">/* ret the number registered */</span>
<a name="l00064"></a>00064 <span class="keywordtype">int</span> <a class="code" href="group__callback.html#ga5c66a4113fa371927b907e5dfc44cd9f" title="This function unregisters a specified callback function given a major and minor type.">snmp_unregister_callback</a>(<span class="keywordtype">int</span> major, <span class="keywordtype">int</span> minor,
<a name="l00065"></a>00065 SNMPCallback * new_callback,
<a name="l00066"></a>00066 <span class="keywordtype">void</span> *arg, <span class="keywordtype">int</span> matchargs);
<a name="l00067"></a>00067 <span class="keywordtype">void</span> clear_callback (<span class="keywordtype">void</span>);
<a name="l00068"></a>00068 <span class="keywordtype">int</span> <a class="code" href="group__callback.html#ga691a6855c9bc8212c8dc9ec596822c76" title="find and clear client args that match ptr">netsnmp_callback_clear_client_arg</a>(<span class="keywordtype">void</span> *, <span class="keywordtype">int</span> i, <span class="keywordtype">int</span> j);
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keyword">struct </span><a class="code" href="structsnmp__gen__callback.html">snmp_gen_callback</a> *snmp_callback_list(<span class="keywordtype">int</span> major, <span class="keywordtype">int</span> minor);
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span>}
<a name="l00074"></a>00074 <span class="preprocessor">#endif</span>
<a name="l00075"></a>00075 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* CALLBACK_H */</span>
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