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<h1>lib/handlers.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/handlers.c default netlink message handlers</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 nl</span>
<a name="l00014"></a>00014 <span class="comment"> * @defgroup cb Callbacks/Customization</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"> * Callbacks and overwriting capabilities are provided to take influence</span>
<a name="l00018"></a>00018 <span class="comment"> * in various control flows inside the library. All callbacks are packed</span>
<a name="l00019"></a>00019 <span class="comment"> * together in struct nl_cb which is then attached to a netlink socket or</span>
<a name="l00020"></a>00020 <span class="comment"> * passed on to the respective functions directly.</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> * Callbacks can control the flow of the underlying layer by returning</span>
<a name="l00023"></a>00023 <span class="comment"> * the appropriate error codes:</span>
<a name="l00024"></a>00024 <span class="comment"> * @code</span>
<a name="l00025"></a>00025 <span class="comment"> * Action ID | Description</span>
<a name="l00026"></a>00026 <span class="comment"> * -----------------+-------------------------------------------------------</span>
<a name="l00027"></a>00027 <span class="comment"> * NL_OK | Proceed with whatever comes next.</span>
<a name="l00028"></a>00028 <span class="comment"> * NL_SKIP | Skip message currently being processed and continue</span>
<a name="l00029"></a>00029 <span class="comment"> * | with next message.</span>
<a name="l00030"></a>00030 <span class="comment"> * NL_STOP | Stop parsing and discard all remaining messages in</span>
<a name="l00031"></a>00031 <span class="comment"> * | this set of messages.</span>
<a name="l00032"></a>00032 <span class="comment"> * @endcode</span>
<a name="l00033"></a>00033 <span class="comment"> *</span>
<a name="l00034"></a>00034 <span class="comment"> * All callbacks are optional and a default action is performed if no </span>
<a name="l00035"></a>00035 <span class="comment"> * application specific implementation is provided:</span>
<a name="l00036"></a>00036 <span class="comment"> *</span>
<a name="l00037"></a>00037 <span class="comment"> * @code</span>
<a name="l00038"></a>00038 <span class="comment"> * Callback ID | Default Return Value</span>
<a name="l00039"></a>00039 <span class="comment"> * ------------------+----------------------</span>
<a name="l00040"></a>00040 <span class="comment"> * NL_CB_VALID | NL_OK</span>
<a name="l00041"></a>00041 <span class="comment"> * NL_CB_FINISH | NL_STOP</span>
<a name="l00042"></a>00042 <span class="comment"> * NL_CB_OVERRUN | NL_STOP</span>
<a name="l00043"></a>00043 <span class="comment"> * NL_CB_SKIPPED | NL_SKIP</span>
<a name="l00044"></a>00044 <span class="comment"> * NL_CB_ACK | NL_STOP</span>
<a name="l00045"></a>00045 <span class="comment"> * NL_CB_MSG_IN | NL_OK</span>
<a name="l00046"></a>00046 <span class="comment"> * NL_CB_MSG_OUT | NL_OK</span>
<a name="l00047"></a>00047 <span class="comment"> * NL_CB_INVALID | NL_STOP</span>
<a name="l00048"></a>00048 <span class="comment"> * NL_CB_SEQ_CHECK | NL_OK</span>
<a name="l00049"></a>00049 <span class="comment"> * NL_CB_SEND_ACK | NL_OK</span>
<a name="l00050"></a>00050 <span class="comment"> * |</span>
<a name="l00051"></a>00051 <span class="comment"> * Error Callback | NL_STOP</span>
<a name="l00052"></a>00052 <span class="comment"> * @endcode</span>
<a name="l00053"></a>00053 <span class="comment"> *</span>
<a name="l00054"></a>00054 <span class="comment"> * In order to simplify typical usages of the library, different sets of</span>
<a name="l00055"></a>00055 <span class="comment"> * default callback implementations exist:</span>
<a name="l00056"></a>00056 <span class="comment"> * @code</span>
<a name="l00057"></a>00057 <span class="comment"> * NL_CB_DEFAULT: No additional actions</span>
<a name="l00058"></a>00058 <span class="comment"> * NL_CB_VERBOSE: Automatically print warning and error messages to a file</span>
<a name="l00059"></a>00059 <span class="comment"> * descriptor as appropriate. This is useful for CLI based</span>
<a name="l00060"></a>00060 <span class="comment"> * applications.</span>
<a name="l00061"></a>00061 <span class="comment"> * NL_CB_DEBUG: Print informal debugging information for each message</span>
<a name="l00062"></a>00062 <span class="comment"> * received. This will result in every message beint sent or</span>
<a name="l00063"></a>00063 <span class="comment"> * received to be printed to the screen in a decoded,</span>
<a name="l00064"></a>00064 <span class="comment"> * human-readable format.</span>
<a name="l00065"></a>00065 <span class="comment"> * @endcode</span>
<a name="l00066"></a>00066 <span class="comment"> *</span>
<a name="l00067"></a>00067 <span class="comment"> * @par 1) Setting up a callback set</span>
<a name="l00068"></a>00068 <span class="comment"> * @code</span>
<a name="l00069"></a>00069 <span class="comment"> * // Allocate a callback set and initialize it to the verbose default set</span>
<a name="l00070"></a>00070 <span class="comment"> * struct nl_cb *cb = nl_cb_alloc(NL_CB_VERBOSE);</span>
<a name="l00071"></a>00071 <span class="comment"> *</span>
<a name="l00072"></a>00072 <span class="comment"> * // Modify the set to call my_func() for all valid messages</span>
<a name="l00073"></a>00073 <span class="comment"> * nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, my_func, NULL);</span>
<a name="l00074"></a>00074 <span class="comment"> *</span>
<a name="l00075"></a>00075 <span class="comment"> * // Set the error message handler to the verbose default implementation</span>
<a name="l00076"></a>00076 <span class="comment"> * // and direct it to print all errors to the given file descriptor.</span>
<a name="l00077"></a>00077 <span class="comment"> * FILE *file = fopen(...);</span>
<a name="l00078"></a>00078 <span class="comment"> * nl_cb_err(cb, NL_CB_VERBOSE, NULL, file);</span>
<a name="l00079"></a>00079 <span class="comment"> * @endcode</span>
<a name="l00080"></a>00080 <span class="comment"> * @{</span>
<a name="l00081"></a>00081 <span class="comment"> */</span>
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="preprocessor">#include <netlink-local.h></span>
<a name="l00084"></a>00084 <span class="preprocessor">#include <netlink/netlink.h></span>
<a name="l00085"></a>00085 <span class="preprocessor">#include <netlink/utils.h></span>
<a name="l00086"></a>00086 <span class="preprocessor">#include <netlink/msg.h></span>
<a name="l00087"></a>00087 <span class="preprocessor">#include <netlink/handlers.h></span>
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="keyword">static</span> <span class="keywordtype">void</span> print_header_content(FILE *ofd, <span class="keyword">struct</span> <a class="code" href="structnlmsghdr.html" title="Netlink message header.">nlmsghdr</a> *n)
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091 <span class="keywordtype">char</span> flags[128];
<a name="l00092"></a>00092 <span class="keywordtype">char</span> type[32];
<a name="l00093"></a>00093
<a name="l00094"></a>00094 fprintf(ofd, <span class="stringliteral">"type=%s length=%u flags=<%s> sequence-nr=%u pid=%u"</span>,
<a name="l00095"></a>00095 nl_nlmsgtype2str(n-><a class="code" href="structnlmsghdr.html#a7232c4e6cb513010e64887b7eebf8823" title="Message type (content type)">nlmsg_type</a>, type, <span class="keyword">sizeof</span>(type)),
<a name="l00096"></a>00096 n-><a class="code" href="structnlmsghdr.html#a5a3fdb3436743ec73e75471c899fd4bc" title="Length of message including header.">nlmsg_len</a>, nl_nlmsg_flags2str(n-><a class="code" href="structnlmsghdr.html#abcf664d354ea35ebb9b3d8a50088fec6" title="Message flags.">nlmsg_flags</a>, flags,
<a name="l00097"></a>00097 <span class="keyword">sizeof</span>(flags)), n-><a class="code" href="structnlmsghdr.html#ad6c6a7aa9de65bb2da498c84148be7e6" title="Sequence number.">nlmsg_seq</a>, n-><a class="code" href="structnlmsghdr.html#a071903f5e2400298bca69ac70500421f" title="Netlink PID of the proccess sending the message.">nlmsg_pid</a>);
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keyword">static</span> <span class="keywordtype">int</span> nl_valid_handler_verbose(<span class="keyword">struct</span> nl_msg *msg, <span class="keywordtype">void</span> *arg)
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 FILE *ofd = arg ? arg : stdout;
<a name="l00103"></a>00103
<a name="l00104"></a>00104 fprintf(ofd, <span class="stringliteral">"-- Warning: unhandled valid message: "</span>);
<a name="l00105"></a>00105 print_header_content(ofd, <a class="code" href="group__msg.html#gaa5f29579d86d2bdab26c312b44b56de7" title="Return actual netlink message.">nlmsg_hdr</a>(msg));
<a name="l00106"></a>00106 fprintf(ofd, <span class="stringliteral">"\n"</span>);
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keywordflow">return</span> <a class="code" href="group__cb.html#gga0c50cb29c507b3d7e8bc7d76c74675f8abce22d25ef3e2fed30f22f8bc27fc8f0" title="Proceed with wathever would come next.">NL_OK</a>;
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keyword">static</span> <span class="keywordtype">int</span> nl_invalid_handler_verbose(<span class="keyword">struct</span> nl_msg *msg, <span class="keywordtype">void</span> *arg)
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 FILE *ofd = arg ? arg : stderr;
<a name="l00114"></a>00114
<a name="l00115"></a>00115 fprintf(ofd, <span class="stringliteral">"-- Error: Invalid message: "</span>);
<a name="l00116"></a>00116 print_header_content(ofd, <a class="code" href="group__msg.html#gaa5f29579d86d2bdab26c312b44b56de7" title="Return actual netlink message.">nlmsg_hdr</a>(msg));
<a name="l00117"></a>00117 fprintf(ofd, <span class="stringliteral">"\n"</span>);
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="keywordflow">return</span> <a class="code" href="group__cb.html#gga0c50cb29c507b3d7e8bc7d76c74675f8aa87c4bfa1b41e2e06286a412dc2bc17b" title="Stop parsing altogether and discard remaining messages.">NL_STOP</a>;
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="keyword">static</span> <span class="keywordtype">int</span> nl_overrun_handler_verbose(<span class="keyword">struct</span> nl_msg *msg, <span class="keywordtype">void</span> *arg)
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 FILE *ofd = arg ? arg : stderr;
<a name="l00125"></a>00125
<a name="l00126"></a>00126 fprintf(ofd, <span class="stringliteral">"-- Error: Netlink Overrun: "</span>);
<a name="l00127"></a>00127 print_header_content(ofd, <a class="code" href="group__msg.html#gaa5f29579d86d2bdab26c312b44b56de7" title="Return actual netlink message.">nlmsg_hdr</a>(msg));
<a name="l00128"></a>00128 fprintf(ofd, <span class="stringliteral">"\n"</span>);
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keywordflow">return</span> <a class="code" href="group__cb.html#gga0c50cb29c507b3d7e8bc7d76c74675f8aa87c4bfa1b41e2e06286a412dc2bc17b" title="Stop parsing altogether and discard remaining messages.">NL_STOP</a>;
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="keyword">static</span> <span class="keywordtype">int</span> nl_error_handler_verbose(<span class="keyword">struct</span> <a class="code" href="structsockaddr__nl.html" title="Netlink socket address.">sockaddr_nl</a> *who,
<a name="l00134"></a>00134 <span class="keyword">struct</span> <a class="code" href="structnlmsgerr.html" title="Netlink error message.">nlmsgerr</a> *e, <span class="keywordtype">void</span> *arg)
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136 FILE *ofd = arg ? arg : stderr;
<a name="l00137"></a>00137
<a name="l00138"></a>00138 fprintf(ofd, <span class="stringliteral">"-- Error received: %s\n-- Original message: "</span>,
<a name="l00139"></a>00139 strerror(-e-><a class="code" href="structnlmsgerr.html#ad74e54e113a2aefba0d2a3e0bb8a768d" title="Error code (errno number)">error</a>));
<a name="l00140"></a>00140 print_header_content(ofd, &e-><a class="code" href="structnlmsgerr.html#acf3fb4d9ccd3f6a112347684e32dcb5a" title="Original netlink message causing the error.">msg</a>);
<a name="l00141"></a>00141 fprintf(ofd, <span class="stringliteral">"\n"</span>);
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keywordflow">return</span> e-><a class="code" href="structnlmsgerr.html#ad74e54e113a2aefba0d2a3e0bb8a768d" title="Error code (errno number)">error</a>;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="keyword">static</span> <span class="keywordtype">int</span> nl_valid_handler_debug(<span class="keyword">struct</span> nl_msg *msg, <span class="keywordtype">void</span> *arg)
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 FILE *ofd = arg ? arg : stderr;
<a name="l00149"></a>00149
<a name="l00150"></a>00150 fprintf(ofd, <span class="stringliteral">"-- Debug: Unhandled Valid message: "</span>);
<a name="l00151"></a>00151 print_header_content(ofd, <a class="code" href="group__msg.html#gaa5f29579d86d2bdab26c312b44b56de7" title="Return actual netlink message.">nlmsg_hdr</a>(msg));
<a name="l00152"></a>00152 fprintf(ofd, <span class="stringliteral">"\n"</span>);
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="keywordflow">return</span> <a class="code" href="group__cb.html#gga0c50cb29c507b3d7e8bc7d76c74675f8abce22d25ef3e2fed30f22f8bc27fc8f0" title="Proceed with wathever would come next.">NL_OK</a>;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keyword">static</span> <span class="keywordtype">int</span> nl_finish_handler_debug(<span class="keyword">struct</span> nl_msg *msg, <span class="keywordtype">void</span> *arg)
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159 FILE *ofd = arg ? arg : stderr;
<a name="l00160"></a>00160
<a name="l00161"></a>00161 fprintf(ofd, <span class="stringliteral">"-- Debug: End of multipart message block: "</span>);
<a name="l00162"></a>00162 print_header_content(ofd, <a class="code" href="group__msg.html#gaa5f29579d86d2bdab26c312b44b56de7" title="Return actual netlink message.">nlmsg_hdr</a>(msg));
<a name="l00163"></a>00163 fprintf(ofd, <span class="stringliteral">"\n"</span>);
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="keywordflow">return</span> <a class="code" href="group__cb.html#gga0c50cb29c507b3d7e8bc7d76c74675f8aa87c4bfa1b41e2e06286a412dc2bc17b" title="Stop parsing altogether and discard remaining messages.">NL_STOP</a>;
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keyword">static</span> <span class="keywordtype">int</span> nl_msg_in_handler_debug(<span class="keyword">struct</span> nl_msg *msg, <span class="keywordtype">void</span> *arg)
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170 FILE *ofd = arg ? arg : stderr;
<a name="l00171"></a>00171
<a name="l00172"></a>00172 fprintf(ofd, <span class="stringliteral">"-- Debug: Received Message:\n"</span>);
<a name="l00173"></a>00173 <a class="code" href="group__msg.html#ga062de3af7d634b7638c053e4ba67a7eb" title="Dump message in human readable format to file descriptor.">nl_msg_dump</a>(msg, ofd);
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <span class="keywordflow">return</span> <a class="code" href="group__cb.html#gga0c50cb29c507b3d7e8bc7d76c74675f8abce22d25ef3e2fed30f22f8bc27fc8f0" title="Proceed with wathever would come next.">NL_OK</a>;
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="keyword">static</span> <span class="keywordtype">int</span> nl_msg_out_handler_debug(<span class="keyword">struct</span> nl_msg *msg, <span class="keywordtype">void</span> *arg)
<a name="l00179"></a>00179 {
<a name="l00180"></a>00180 FILE *ofd = arg ? arg : stderr;
<a name="l00181"></a>00181
<a name="l00182"></a>00182 fprintf(ofd, <span class="stringliteral">"-- Debug: Sent Message:\n"</span>);
<a name="l00183"></a>00183 <a class="code" href="group__msg.html#ga062de3af7d634b7638c053e4ba67a7eb" title="Dump message in human readable format to file descriptor.">nl_msg_dump</a>(msg, ofd);
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keywordflow">return</span> <a class="code" href="group__cb.html#gga0c50cb29c507b3d7e8bc7d76c74675f8abce22d25ef3e2fed30f22f8bc27fc8f0" title="Proceed with wathever would come next.">NL_OK</a>;
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="keyword">static</span> <span class="keywordtype">int</span> nl_skipped_handler_debug(<span class="keyword">struct</span> nl_msg *msg, <span class="keywordtype">void</span> *arg)
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 FILE *ofd = arg ? arg : stderr;
<a name="l00191"></a>00191
<a name="l00192"></a>00192 fprintf(ofd, <span class="stringliteral">"-- Debug: Skipped message: "</span>);
<a name="l00193"></a>00193 print_header_content(ofd, <a class="code" href="group__msg.html#gaa5f29579d86d2bdab26c312b44b56de7" title="Return actual netlink message.">nlmsg_hdr</a>(msg));
<a name="l00194"></a>00194 fprintf(ofd, <span class="stringliteral">"\n"</span>);
<a name="l00195"></a>00195
<a name="l00196"></a>00196 <span class="keywordflow">return</span> <a class="code" href="group__cb.html#gga0c50cb29c507b3d7e8bc7d76c74675f8af77d78aac004c6d4bee57741d3a295ae" title="Skip this message.">NL_SKIP</a>;
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="keyword">static</span> <span class="keywordtype">int</span> nl_ack_handler_debug(<span class="keyword">struct</span> nl_msg *msg, <span class="keywordtype">void</span> *arg)
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 FILE *ofd = arg ? arg : stderr;
<a name="l00202"></a>00202
<a name="l00203"></a>00203 fprintf(ofd, <span class="stringliteral">"-- Debug: ACK: "</span>);
<a name="l00204"></a>00204 print_header_content(ofd, <a class="code" href="group__msg.html#gaa5f29579d86d2bdab26c312b44b56de7" title="Return actual netlink message.">nlmsg_hdr</a>(msg));
<a name="l00205"></a>00205 fprintf(ofd, <span class="stringliteral">"\n"</span>);
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keywordflow">return</span> <a class="code" href="group__cb.html#gga0c50cb29c507b3d7e8bc7d76c74675f8aa87c4bfa1b41e2e06286a412dc2bc17b" title="Stop parsing altogether and discard remaining messages.">NL_STOP</a>;
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="keyword">static</span> <a class="code" href="group__cb.html#ga1bf04ce17ab1b5867017556a6b4ba729" title="nl_recvmsgs() callback for message processing customization">nl_recvmsg_msg_cb_t</a> cb_def[NL_CB_TYPE_MAX+1][NL_CB_KIND_MAX+1] = {
<a name="l00211"></a>00211 [<a class="code" href="group__cb.html#gga3f60f4515ada826d2bf16395ee722363a6e1f371d16186a460f25ea9bb1306c47" title="Message is valid.">NL_CB_VALID</a>] = {
<a name="l00212"></a>00212 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dab2756e6194ec2c53efe5d111093b4375" title="Verbose default handlers (error messages printed)">NL_CB_VERBOSE</a>] = nl_valid_handler_verbose,
<a name="l00213"></a>00213 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dad2ef3f2dbf45519610f72b3747eacd18" title="Debug handlers for debugging.">NL_CB_DEBUG</a>] = nl_valid_handler_debug,
<a name="l00214"></a>00214 },
<a name="l00215"></a>00215 [<a class="code" href="group__cb.html#gga3f60f4515ada826d2bf16395ee722363a044400d11ee451b692333a0d95cf3d32" title="Last message in a series of multi part messages received.">NL_CB_FINISH</a>] = {
<a name="l00216"></a>00216 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dad2ef3f2dbf45519610f72b3747eacd18" title="Debug handlers for debugging.">NL_CB_DEBUG</a>] = nl_finish_handler_debug,
<a name="l00217"></a>00217 },
<a name="l00218"></a>00218 [<a class="code" href="group__cb.html#gga3f60f4515ada826d2bf16395ee722363af5b5448bf122561db88d510e5d153a8a" title="Message is malformed and invalid.">NL_CB_INVALID</a>] = {
<a name="l00219"></a>00219 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dab2756e6194ec2c53efe5d111093b4375" title="Verbose default handlers (error messages printed)">NL_CB_VERBOSE</a>] = nl_invalid_handler_verbose,
<a name="l00220"></a>00220 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dad2ef3f2dbf45519610f72b3747eacd18" title="Debug handlers for debugging.">NL_CB_DEBUG</a>] = nl_invalid_handler_verbose,
<a name="l00221"></a>00221 },
<a name="l00222"></a>00222 [<a class="code" href="group__cb.html#gga3f60f4515ada826d2bf16395ee722363a160d69995bab2c325bd25d7ee2d5292d" title="Called for every message received.">NL_CB_MSG_IN</a>] = {
<a name="l00223"></a>00223 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dad2ef3f2dbf45519610f72b3747eacd18" title="Debug handlers for debugging.">NL_CB_DEBUG</a>] = nl_msg_in_handler_debug,
<a name="l00224"></a>00224 },
<a name="l00225"></a>00225 [<a class="code" href="group__cb.html#gga3f60f4515ada826d2bf16395ee722363a0b43ab5eccae67470bb8ed0b09e2f650" title="Called for every message sent out except for nl_sendto()">NL_CB_MSG_OUT</a>] = {
<a name="l00226"></a>00226 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dad2ef3f2dbf45519610f72b3747eacd18" title="Debug handlers for debugging.">NL_CB_DEBUG</a>] = nl_msg_out_handler_debug,
<a name="l00227"></a>00227 },
<a name="l00228"></a>00228 [<a class="code" href="group__cb.html#gga3f60f4515ada826d2bf16395ee722363a25c8376dc758b16bcaeb76c329719dae" title="Report received that data was lost.">NL_CB_OVERRUN</a>] = {
<a name="l00229"></a>00229 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dab2756e6194ec2c53efe5d111093b4375" title="Verbose default handlers (error messages printed)">NL_CB_VERBOSE</a>] = nl_overrun_handler_verbose,
<a name="l00230"></a>00230 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dad2ef3f2dbf45519610f72b3747eacd18" title="Debug handlers for debugging.">NL_CB_DEBUG</a>] = nl_overrun_handler_verbose,
<a name="l00231"></a>00231 },
<a name="l00232"></a>00232 [<a class="code" href="group__cb.html#gga3f60f4515ada826d2bf16395ee722363a034ec83d5ba891deb3d3e54f9e15d3a0" title="Message wants to be skipped.">NL_CB_SKIPPED</a>] = {
<a name="l00233"></a>00233 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dad2ef3f2dbf45519610f72b3747eacd18" title="Debug handlers for debugging.">NL_CB_DEBUG</a>] = nl_skipped_handler_debug,
<a name="l00234"></a>00234 },
<a name="l00235"></a>00235 [<a class="code" href="group__cb.html#gga3f60f4515ada826d2bf16395ee722363a8295b387c07bd076ccdee45b555f1134" title="Message is an acknowledge.">NL_CB_ACK</a>] = {
<a name="l00236"></a>00236 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dad2ef3f2dbf45519610f72b3747eacd18" title="Debug handlers for debugging.">NL_CB_DEBUG</a>] = nl_ack_handler_debug,
<a name="l00237"></a>00237 },
<a name="l00238"></a>00238 };
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="keyword">static</span> <a class="code" href="group__cb.html#ga2eb817b53fffe9103030c692c73b94df" title="nl_recvmsgs() callback for error message processing customization">nl_recvmsg_err_cb_t</a> cb_err_def[NL_CB_KIND_MAX+1] = {
<a name="l00241"></a>00241 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dab2756e6194ec2c53efe5d111093b4375" title="Verbose default handlers (error messages printed)">NL_CB_VERBOSE</a>] = nl_error_handler_verbose,
<a name="l00242"></a>00242 [<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14dad2ef3f2dbf45519610f72b3747eacd18" title="Debug handlers for debugging.">NL_CB_DEBUG</a>] = nl_error_handler_verbose,
<a name="l00243"></a>00243 };
<a name="l00244"></a>00244 <span class="comment"></span>
<a name="l00245"></a>00245 <span class="comment">/**</span>
<a name="l00246"></a>00246 <span class="comment"> * @name Callback Handle Management</span>
<a name="l00247"></a>00247 <span class="comment"> * @{</span>
<a name="l00248"></a>00248 <span class="comment"> */</span>
<a name="l00249"></a>00249 <span class="comment"></span>
<a name="l00250"></a>00250 <span class="comment">/**</span>
<a name="l00251"></a>00251 <span class="comment"> * Allocate a new callback handle</span>
<a name="l00252"></a>00252 <span class="comment"> * @arg kind callback kind to be used for initialization</span>
<a name="l00253"></a>00253 <span class="comment"> * @return Newly allocated callback handle or NULL</span>
<a name="l00254"></a>00254 <span class="comment"> */</span>
<a name="l00255"></a><a class="code" href="group__cb.html#gaea2e77b9e3c0c875f44aec236d9a1009">00255</a> <span class="keyword">struct </span>nl_cb *<a class="code" href="group__cb.html#gaea2e77b9e3c0c875f44aec236d9a1009" title="Allocate a new callback handle.">nl_cb_alloc</a>(<span class="keyword">enum</span> <a class="code" href="group__cb.html#gaba3fabad0c62db483941101e1a18d14d" title="Callback kinds.">nl_cb_kind</a> kind)
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257 <span class="keywordtype">int</span> i;
<a name="l00258"></a>00258 <span class="keyword">struct </span>nl_cb *cb;
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="keywordflow">if</span> (kind < 0 || kind > NL_CB_KIND_MAX)
<a name="l00261"></a>00261 <span class="keywordflow">return</span> NULL;
<a name="l00262"></a>00262
<a name="l00263"></a>00263 cb = calloc(1, <span class="keyword">sizeof</span>(*cb));
<a name="l00264"></a>00264 <span class="keywordflow">if</span> (!cb) {
<a name="l00265"></a>00265 nl_errno(ENOMEM);
<a name="l00266"></a>00266 <span class="keywordflow">return</span> NULL;
<a name="l00267"></a>00267 }
<a name="l00268"></a>00268
<a name="l00269"></a>00269 cb->cb_refcnt = 1;
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="keywordflow">for</span> (i = 0; i <= NL_CB_TYPE_MAX; i++)
<a name="l00272"></a>00272 <a class="code" href="group__cb.html#gabe7b2516f28fbb8bb9c5b1ea2dfaf1d3" title="Set up a callback.">nl_cb_set</a>(cb, i, kind, NULL, NULL);
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <a class="code" href="group__cb.html#gafeb5477254d93d0a8a8c991f3dbacd77" title="Set up an error callback.">nl_cb_err</a>(cb, kind, NULL, NULL);
<a name="l00275"></a>00275
<a name="l00276"></a>00276 <span class="keywordflow">return</span> cb;
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278 <span class="comment"></span>
<a name="l00279"></a>00279 <span class="comment">/**</span>
<a name="l00280"></a>00280 <span class="comment"> * Clone an existing callback handle</span>
<a name="l00281"></a>00281 <span class="comment"> * @arg orig original callback handle</span>
<a name="l00282"></a>00282 <span class="comment"> * @return Newly allocated callback handle being a duplicate of</span>
<a name="l00283"></a>00283 <span class="comment"> * orig or NULL</span>
<a name="l00284"></a>00284 <span class="comment"> */</span>
<a name="l00285"></a><a class="code" href="group__cb.html#gad438f32bb0f83bd1d15f53e9525f1f65">00285</a> <span class="keyword">struct </span>nl_cb *<a class="code" href="group__cb.html#gad438f32bb0f83bd1d15f53e9525f1f65" title="Clone an existing callback handle.">nl_cb_clone</a>(<span class="keyword">struct</span> nl_cb *orig)
<a name="l00286"></a>00286 {
<a name="l00287"></a>00287 <span class="keyword">struct </span>nl_cb *cb;
<a name="l00288"></a>00288
<a name="l00289"></a>00289 cb = <a class="code" href="group__cb.html#gaea2e77b9e3c0c875f44aec236d9a1009" title="Allocate a new callback handle.">nl_cb_alloc</a>(<a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14da07baae9c246d899cffd1ad49d7c001ce" title="Default handlers (quiet)">NL_CB_DEFAULT</a>);
<a name="l00290"></a>00290 <span class="keywordflow">if</span> (!cb)
<a name="l00291"></a>00291 <span class="keywordflow">return</span> NULL;
<a name="l00292"></a>00292
<a name="l00293"></a>00293 memcpy(cb, orig, <span class="keyword">sizeof</span>(*orig));
<a name="l00294"></a>00294 cb->cb_refcnt = 1;
<a name="l00295"></a>00295
<a name="l00296"></a>00296 <span class="keywordflow">return</span> cb;
<a name="l00297"></a>00297 }
<a name="l00298"></a>00298
<a name="l00299"></a>00299 <span class="keyword">struct </span>nl_cb *nl_cb_get(<span class="keyword">struct</span> nl_cb *cb)
<a name="l00300"></a>00300 {
<a name="l00301"></a>00301 cb->cb_refcnt++;
<a name="l00302"></a>00302
<a name="l00303"></a>00303 <span class="keywordflow">return</span> cb;
<a name="l00304"></a>00304 }
<a name="l00305"></a>00305
<a name="l00306"></a>00306 <span class="keywordtype">void</span> nl_cb_put(<span class="keyword">struct</span> nl_cb *cb)
<a name="l00307"></a>00307 {
<a name="l00308"></a>00308 <span class="keywordflow">if</span> (!cb)
<a name="l00309"></a>00309 <span class="keywordflow">return</span>;
<a name="l00310"></a>00310
<a name="l00311"></a>00311 cb->cb_refcnt--;
<a name="l00312"></a>00312
<a name="l00313"></a>00313 <span class="keywordflow">if</span> (cb->cb_refcnt < 0)
<a name="l00314"></a>00314 BUG();
<a name="l00315"></a>00315
<a name="l00316"></a>00316 <span class="keywordflow">if</span> (cb->cb_refcnt <= 0)
<a name="l00317"></a>00317 free(cb);
<a name="l00318"></a>00318 }
<a name="l00319"></a>00319 <span class="comment"></span>
<a name="l00320"></a>00320 <span class="comment">/** @} */</span>
<a name="l00321"></a>00321 <span class="comment"></span>
<a name="l00322"></a>00322 <span class="comment">/**</span>
<a name="l00323"></a>00323 <span class="comment"> * @name Callback Setup</span>
<a name="l00324"></a>00324 <span class="comment"> * @{</span>
<a name="l00325"></a>00325 <span class="comment"> */</span>
<a name="l00326"></a>00326 <span class="comment"></span>
<a name="l00327"></a>00327 <span class="comment">/**</span>
<a name="l00328"></a>00328 <span class="comment"> * Set up a callback </span>
<a name="l00329"></a>00329 <span class="comment"> * @arg cb callback set</span>
<a name="l00330"></a>00330 <span class="comment"> * @arg type callback to modify</span>
<a name="l00331"></a>00331 <span class="comment"> * @arg kind kind of implementation</span>
<a name="l00332"></a>00332 <span class="comment"> * @arg func callback function (NL_CB_CUSTOM)</span>
<a name="l00333"></a>00333 <span class="comment"> * @arg arg argument passed to callback</span>
<a name="l00334"></a>00334 <span class="comment"> *</span>
<a name="l00335"></a>00335 <span class="comment"> * @return 0 on success or a negative error code</span>
<a name="l00336"></a>00336 <span class="comment"> */</span>
<a name="l00337"></a><a class="code" href="group__cb.html#gabe7b2516f28fbb8bb9c5b1ea2dfaf1d3">00337</a> <span class="keywordtype">int</span> <a class="code" href="group__cb.html#gabe7b2516f28fbb8bb9c5b1ea2dfaf1d3" title="Set up a callback.">nl_cb_set</a>(<span class="keyword">struct</span> nl_cb *cb, <span class="keyword">enum</span> <a class="code" href="group__cb.html#ga3f60f4515ada826d2bf16395ee722363" title="Callback types.">nl_cb_type</a> type, <span class="keyword">enum</span> <a class="code" href="group__cb.html#gaba3fabad0c62db483941101e1a18d14d" title="Callback kinds.">nl_cb_kind</a> kind,
<a name="l00338"></a>00338 <a class="code" href="group__cb.html#ga1bf04ce17ab1b5867017556a6b4ba729" title="nl_recvmsgs() callback for message processing customization">nl_recvmsg_msg_cb_t</a> func, <span class="keywordtype">void</span> *arg)
<a name="l00339"></a>00339 {
<a name="l00340"></a>00340 <span class="keywordflow">if</span> (type < 0 || type > NL_CB_TYPE_MAX)
<a name="l00341"></a>00341 <span class="keywordflow">return</span> nl_error(ERANGE, <span class="stringliteral">"Callback type out of range"</span>);
<a name="l00342"></a>00342
<a name="l00343"></a>00343 <span class="keywordflow">if</span> (kind < 0 || kind > NL_CB_KIND_MAX)
<a name="l00344"></a>00344 <span class="keywordflow">return</span> nl_error(ERANGE, <span class="stringliteral">"Callback kind out of range"</span>);
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="keywordflow">if</span> (kind == <a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14da22448271a402b4c4a55733ef4884c038" title="Customized handler specified by the user.">NL_CB_CUSTOM</a>) {
<a name="l00347"></a>00347 cb->cb_set[type] = func;
<a name="l00348"></a>00348 cb->cb_args[type] = arg;
<a name="l00349"></a>00349 } <span class="keywordflow">else</span> {
<a name="l00350"></a>00350 cb->cb_set[type] = cb_def[type][kind];
<a name="l00351"></a>00351 cb->cb_args[type] = arg;
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353
<a name="l00354"></a>00354 <span class="keywordflow">return</span> 0;
<a name="l00355"></a>00355 }
<a name="l00356"></a>00356 <span class="comment"></span>
<a name="l00357"></a>00357 <span class="comment">/**</span>
<a name="l00358"></a>00358 <span class="comment"> * Set up a all callbacks</span>
<a name="l00359"></a>00359 <span class="comment"> * @arg cb callback set</span>
<a name="l00360"></a>00360 <span class="comment"> * @arg kind kind of callback</span>
<a name="l00361"></a>00361 <span class="comment"> * @arg func callback function</span>
<a name="l00362"></a>00362 <span class="comment"> * @arg arg argument to be passwd to callback function</span>
<a name="l00363"></a>00363 <span class="comment"> *</span>
<a name="l00364"></a>00364 <span class="comment"> * @return 0 on success or a negative error code</span>
<a name="l00365"></a>00365 <span class="comment"> */</span>
<a name="l00366"></a><a class="code" href="group__cb.html#gad6be5a06f81ed1a411560732c7f3f698">00366</a> <span class="keywordtype">int</span> <a class="code" href="group__cb.html#gad6be5a06f81ed1a411560732c7f3f698" title="Set up a all callbacks.">nl_cb_set_all</a>(<span class="keyword">struct</span> nl_cb *cb, <span class="keyword">enum</span> <a class="code" href="group__cb.html#gaba3fabad0c62db483941101e1a18d14d" title="Callback kinds.">nl_cb_kind</a> kind,
<a name="l00367"></a>00367 <a class="code" href="group__cb.html#ga1bf04ce17ab1b5867017556a6b4ba729" title="nl_recvmsgs() callback for message processing customization">nl_recvmsg_msg_cb_t</a> func, <span class="keywordtype">void</span> *arg)
<a name="l00368"></a>00368 {
<a name="l00369"></a>00369 <span class="keywordtype">int</span> i, err;
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="keywordflow">for</span> (i = 0; i <= NL_CB_TYPE_MAX; i++) {
<a name="l00372"></a>00372 err = <a class="code" href="group__cb.html#gabe7b2516f28fbb8bb9c5b1ea2dfaf1d3" title="Set up a callback.">nl_cb_set</a>(cb, i, kind, func, arg);
<a name="l00373"></a>00373 <span class="keywordflow">if</span> (err < 0)
<a name="l00374"></a>00374 <span class="keywordflow">return</span> err;
<a name="l00375"></a>00375 }
<a name="l00376"></a>00376
<a name="l00377"></a>00377 <span class="keywordflow">return</span> 0;
<a name="l00378"></a>00378 }
<a name="l00379"></a>00379 <span class="comment"></span>
<a name="l00380"></a>00380 <span class="comment">/**</span>
<a name="l00381"></a>00381 <span class="comment"> * Set up an error callback</span>
<a name="l00382"></a>00382 <span class="comment"> * @arg cb callback set</span>
<a name="l00383"></a>00383 <span class="comment"> * @arg kind kind of callback</span>
<a name="l00384"></a>00384 <span class="comment"> * @arg func callback function</span>
<a name="l00385"></a>00385 <span class="comment"> * @arg arg argument to be passed to callback function</span>
<a name="l00386"></a>00386 <span class="comment"> */</span>
<a name="l00387"></a><a class="code" href="group__cb.html#gafeb5477254d93d0a8a8c991f3dbacd77">00387</a> <span class="keywordtype">int</span> <a class="code" href="group__cb.html#gafeb5477254d93d0a8a8c991f3dbacd77" title="Set up an error callback.">nl_cb_err</a>(<span class="keyword">struct</span> nl_cb *cb, <span class="keyword">enum</span> <a class="code" href="group__cb.html#gaba3fabad0c62db483941101e1a18d14d" title="Callback kinds.">nl_cb_kind</a> kind,
<a name="l00388"></a>00388 <a class="code" href="group__cb.html#ga2eb817b53fffe9103030c692c73b94df" title="nl_recvmsgs() callback for error message processing customization">nl_recvmsg_err_cb_t</a> func, <span class="keywordtype">void</span> *arg)
<a name="l00389"></a>00389 {
<a name="l00390"></a>00390 <span class="keywordflow">if</span> (kind < 0 || kind > NL_CB_KIND_MAX)
<a name="l00391"></a>00391 <span class="keywordflow">return</span> nl_error(ERANGE, <span class="stringliteral">"Callback kind out of range"</span>);
<a name="l00392"></a>00392
<a name="l00393"></a>00393 <span class="keywordflow">if</span> (kind == <a class="code" href="group__cb.html#ggaba3fabad0c62db483941101e1a18d14da22448271a402b4c4a55733ef4884c038" title="Customized handler specified by the user.">NL_CB_CUSTOM</a>) {
<a name="l00394"></a>00394 cb->cb_err = func;
<a name="l00395"></a>00395 cb->cb_err_arg = arg;
<a name="l00396"></a>00396 } <span class="keywordflow">else</span> {
<a name="l00397"></a>00397 cb->cb_err = cb_err_def[kind];
<a name="l00398"></a>00398 cb->cb_err_arg = arg;
<a name="l00399"></a>00399 }
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="keywordflow">return</span> 0;
<a name="l00402"></a>00402 }
<a name="l00403"></a>00403 <span class="comment"></span>
<a name="l00404"></a>00404 <span class="comment">/** @} */</span>
<a name="l00405"></a>00405 <span class="comment"></span>
<a name="l00406"></a>00406 <span class="comment">/**</span>
<a name="l00407"></a>00407 <span class="comment"> * @name Overwriting</span>
<a name="l00408"></a>00408 <span class="comment"> * @{</span>
<a name="l00409"></a>00409 <span class="comment"> */</span>
<a name="l00410"></a>00410 <span class="comment"></span>
<a name="l00411"></a>00411 <span class="comment">/**</span>
<a name="l00412"></a>00412 <span class="comment"> * Overwrite internal calls to nl_recvmsgs()</span>
<a name="l00413"></a>00413 <span class="comment"> * @arg cb callback set</span>
<a name="l00414"></a>00414 <span class="comment"> * @arg func replacement callback for nl_recvmsgs()</span>
<a name="l00415"></a>00415 <span class="comment"> */</span>
<a name="l00416"></a><a class="code" href="group__cb.html#gaf3ce421f4b00617510d6e565207d147a">00416</a> <span class="keywordtype">void</span> <a class="code" href="group__cb.html#gaf3ce421f4b00617510d6e565207d147a" title="Overwrite internal calls to nl_recvmsgs()">nl_cb_overwrite_recvmsgs</a>(<span class="keyword">struct</span> nl_cb *cb,
<a name="l00417"></a>00417 <span class="keywordtype">int</span> (*func)(<span class="keyword">struct</span> nl_handle *, <span class="keyword">struct</span> nl_cb *))
<a name="l00418"></a>00418 {
<a name="l00419"></a>00419 cb->cb_recvmsgs_ow = func;
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421 <span class="comment"></span>
<a name="l00422"></a>00422 <span class="comment">/**</span>
<a name="l00423"></a>00423 <span class="comment"> * Overwrite internal calls to nl_recv()</span>
<a name="l00424"></a>00424 <span class="comment"> * @arg cb callback set</span>
<a name="l00425"></a>00425 <span class="comment"> * @arg func replacement callback for nl_recv()</span>
<a name="l00426"></a>00426 <span class="comment"> */</span>
<a name="l00427"></a><a class="code" href="group__cb.html#ga0d2f92ed95a6d7a5f915e128d1643e24">00427</a> <span class="keywordtype">void</span> <a class="code" href="group__cb.html#ga0d2f92ed95a6d7a5f915e128d1643e24" title="Overwrite internal calls to nl_recv()">nl_cb_overwrite_recv</a>(<span class="keyword">struct</span> nl_cb *cb,
<a name="l00428"></a>00428 <span class="keywordtype">int</span> (*func)(<span class="keyword">struct</span> nl_handle *, <span class="keyword">struct</span> <a class="code" href="structsockaddr__nl.html" title="Netlink socket address.">sockaddr_nl</a> *,
<a name="l00429"></a>00429 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> **, <span class="keyword">struct</span> ucred **))
<a name="l00430"></a>00430 {
<a name="l00431"></a>00431 cb->cb_recv_ow = func;
<a name="l00432"></a>00432 }
<a name="l00433"></a>00433 <span class="comment"></span>
<a name="l00434"></a>00434 <span class="comment">/**</span>
<a name="l00435"></a>00435 <span class="comment"> * Overwrite internal calls to nl_send()</span>
<a name="l00436"></a>00436 <span class="comment"> * @arg cb callback set</span>
<a name="l00437"></a>00437 <span class="comment"> * @arg func replacement callback for nl_send()</span>
<a name="l00438"></a>00438 <span class="comment"> */</span>
<a name="l00439"></a><a class="code" href="group__cb.html#gaba43d04d5b6419e4e5563c8c64856a39">00439</a> <span class="keywordtype">void</span> <a class="code" href="group__cb.html#gaba43d04d5b6419e4e5563c8c64856a39" title="Overwrite internal calls to nl_send()">nl_cb_overwrite_send</a>(<span class="keyword">struct</span> nl_cb *cb,
<a name="l00440"></a>00440 <span class="keywordtype">int</span> (*func)(<span class="keyword">struct</span> nl_handle *, <span class="keyword">struct</span> nl_msg *))
<a name="l00441"></a>00441 {
<a name="l00442"></a>00442 cb->cb_send_ow = func;
<a name="l00443"></a>00443 }
<a name="l00444"></a>00444 <span class="comment"></span>
<a name="l00445"></a>00445 <span class="comment">/** @} */</span>
<a name="l00446"></a>00446 <span class="comment"></span>
<a name="l00447"></a>00447 <span class="comment">/** @} */</span>
</pre></div></div>
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