docs/toolkit/manual/silcpacket-SilcPacketReceiveCb.html

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 155 <br />
 156
 157 <FONT SIZE="+2" COLOR="#000055"><B>Function <A NAME="SilcPacketReceiveCb">SilcPacketReceiveCb</A></FONT></B><BR><BR>
 158
 159 <FONT SIZE="+1"><B>
 160 <FONT COLOR="#000055">SYNOPSIS
 161 </FONT></B></FONT>
 162 <PRE><FONT FACE="courier" size="3">
 163     typedef <A HREF="silctypes-SilcBool.html">SilcBool</A> (*<B>SilcPacketReceiveCb</B>)(<A HREF="silcpacket-SilcPacketEngine.html">SilcPacketEngine</A> engine,
 164                                             <A HREF="silcpacket-SilcPacketStream.html">SilcPacketStream</A> stream,
 165                                             <A HREF="silcpacket-SilcPacket.html">SilcPacket</A> packet,
 166                                             void *callback_context,
 167                                             void *stream_context);
 168
 169 </FONT></PRE><FONT SIZE="+1"><B>
 170 <FONT COLOR="#000055">DESCRIPTION
 171 </FONT></B></FONT>
 172 <PRE><FONT FACE="Helvetiva,Arial,Sans-serif">
 173     The packet receive callback is called by the packet engine when a new
 174     SILC Packet has arrived.  The application must free the returned
 175     <A HREF="silcpacket-SilcPacket.html">SilcPacket</A> with <A HREF="silcpacket-silc_packet_free.html">silc_packet_free</A> if it takes the packet in for
 176     processing.  This callback is set in the <A HREF="silcpacket-SilcPacketCallbacks.html">SilcPacketCallbacks</A> structure.
 177     The `callback_context' is the context set as argument in the
 178     <A HREF="silcpacket-silc_packet_engine_start.html">silc_packet_engine_start</A> function.  The `stream_context' is stream
 179     specific context that was set by calling <A HREF="silcpacket-silc_packet_set_context.html">silc_packet_set_context</A>.
 180
 181     If the application takes the received packet `packet' into processing
 182     <A HREF="silctypes-TRUE.html">TRUE</A> must be returned.  If <A HREF="silctypes-FALSE.html">FALSE</A> is returned the packet engine will
 183     pass the packet to other packet processor, if one has been linked
 184     to the stream with <A HREF="silcpacket-silc_packet_stream_link.html">silc_packet_stream_link</A> function.  If no extra
 185     processor is linked the packet is dropped.
 186
 187 </FONT></PRE><FONT SIZE="+1"><B>
 188 <FONT COLOR="#000055">EXAMPLE
 189 </FONT></B></FONT>
 190 <PRE><FONT FACE="courier" size="3">
 191     <A HREF="silctypes-SilcBool.html">SilcBool</A>
 192     silc_foo_packet_receive_cb(<A HREF="silcpacket-SilcPacketEngine.html">SilcPacketEngine</A> engine,
 193                                <A HREF="silcpacket-SilcPacketStream.html">SilcPacketStream</A> stream, <A HREF="silcpacket-SilcPacket.html">SilcPacket</A> packet,
 194                                void *callback_context, void *stream_context)
 195     {
 196       Application ctx = callback_context;
 197
 198       // If we're not up yet, let's not process the packet
 199       if (ctx-&gt;initialized == <A HREF="silctypes-FALSE.html">FALSE</A>)
 200         return <A HREF="silctypes-FALSE.html">FALSE</A>;
 201
 202       // Process the incoming packet...
 203       ...
 204
 205       // It's our packet now, no one else will get it
 206       return <A HREF="silctypes-TRUE.html">TRUE</A>;
 207     }
 208
 209 </FONT></PRE>
 210 <br /><br /><br /><br />
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 214
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 217
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 220     <table width="100%" cellpadding="4" cellspacing="0">
 221     <tr valign="top"><td>
 222 <br />
 223 <font face="Helvetica,Arial,Sans-serif" size="1">
 224 <A HREF="silcpacket.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">SILC Packet Engine Interface</A><BR>
 225 <A HREF="silcpacket-SilcPacketType.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">SilcPacketType</A><BR>
 226 <A HREF="silcpacket-SilcPacketFlags.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">SilcPacketFlags</A><BR>
 227 <A HREF="silcpacket-SilcPacketEngine.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">SilcPacketEngine</A><BR>
 228 <A HREF="silcpacket-SilcPacketStream.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">SilcPacketStream</A><BR>
 229 <A HREF="silcpacket-SilcPacket.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">SilcPacket</A><BR>
 230 <A HREF="silcpacket-SilcPacketError.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">SilcPacketError</A><BR>
 231 <A HREF="silcpacket-SilcPacketReceiveCb.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">SilcPacketReceiveCb</A><BR>
 232 <A HREF="silcpacket-SilcPacketEosCb.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">SilcPacketEosCb</A><BR>
 233 <A HREF="silcpacket-SilcPacketErrorCb.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">SilcPacketErrorCb</A><BR>
 234 <A HREF="silcpacket-SilcPacketCallbacks.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">SilcPacketCallbacks</A><BR>
 235 <A HREF="silcpacket-silc_packet_engine_start.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_engine_start</A><BR>
 236 <A HREF="silcpacket-silc_packet_engine_stop.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_engine_stop</A><BR>
 237 <A HREF="silcpacket-silc_packet_error_string.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_error_string</A><BR>
 238 <A HREF="silcpacket-silc_packet_engine_get_streams.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_engine_get_streams</A><BR>
 239 <A HREF="silcpacket-silc_packet_engine_free_streams_list.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_engine_free_streams_list</A><BR>
 240 <A HREF="silcpacket-silc_packet_stream_create.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_create</A><BR>
 241 <A HREF="silcpacket-silc_packet_stream_add_remote.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_add_remote</A><BR>
 242 <A HREF="silcpacket-silc_packet_stream_inject.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_inject</A><BR>
 243 <A HREF="silcpacket-silc_packet_stream_destroy.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_destroy</A><BR>
 244 <A HREF="silcpacket-silc_packet_stream_is_valid.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_is_valid</A><BR>
 245 <A HREF="silcpacket-silc_packet_stream_set_router.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_set_router</A><BR>
 246 <A HREF="silcpacket-silc_packet_stream_set_iv_included.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_set_iv_included</A><BR>
 247 <A HREF="silcpacket-silc_packet_stream_set_stream.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_set_stream</A><BR>
 248 <A HREF="silcpacket-silc_packet_stream_get_stream.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_get_stream</A><BR>
 249 <A HREF="silcpacket-silc_packet_stream_link.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_link</A><BR>
 250 <A HREF="silcpacket-silc_packet_stream_unlink.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_unlink</A><BR>
 251 <A HREF="silcpacket-SilcPacketWrapCoder.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">SilcPacketWrapCoder</A><BR>
 252 <A HREF="silcpacket-silc_packet_stream_wrap.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_wrap</A><BR>
 253 <A HREF="silcpacket-silc_packet_stream_is_udp.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_is_udp</A><BR>
 254 <A HREF="silcpacket-silc_packet_get_sender.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_get_sender</A><BR>
 255 <A HREF="silcpacket-silc_packet_stream_ref.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_ref</A><BR>
 256 <A HREF="silcpacket-silc_packet_stream_unref.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_stream_unref</A><BR>
 257 <A HREF="silcpacket-silc_packet_get_engine.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_get_engine</A><BR>
 258 <A HREF="silcpacket-silc_packet_set_context.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_set_context</A><BR>
 259 <A HREF="silcpacket-silc_packet_get_context.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_get_context</A><BR>
 260 <A HREF="silcpacket-silc_packet_set_keys.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_set_keys</A><BR>
 261 <A HREF="silcpacket-silc_packet_get_keys.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_get_keys</A><BR>
 262 <A HREF="silcpacket-silc_packet_set_ids.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_set_ids</A><BR>
 263 <A HREF="silcpacket-silc_packet_get_ids.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_get_ids</A><BR>
 264 <A HREF="silcpacket-silc_packet_set_sid.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_set_sid</A><BR>
 265 <A HREF="silcpacket-silc_packet_send.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_send</A><BR>
 266 <A HREF="silcpacket-silc_packet_send_ext.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_send_ext</A><BR>
 267 <A HREF="silcpacket-silc_packet_send_va.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_send_va</A><BR>
 268 <A HREF="silcpacket-silc_packet_send_va_ext.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_send_va_ext</A><BR>
 269 <A HREF="silcpacket-silc_packet_wait_init.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_wait_init</A><BR>
 270 <A HREF="silcpacket-silc_packet_wait_uninit.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_wait_uninit</A><BR>
 271 <A HREF="silcpacket-silc_packet_wait.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_wait</A><BR>
 272 <A HREF="silcpacket-silc_packet_free.html"><IMG SRC="index_pic.gif" BORDER="0" ALT="">silc_packet_free</A><BR>
 273 </font>
 274
 275 <br /><br /><br /><br />
 276     </td></tr>
 277     </table>
 278   </td>
 279 </tr>
 280 </table>
 281
 282 <table border="0" cellspacing="0" cellpadding="0" width="100%">
 283 <tr bgcolor="#444444"><td><img src="space.gif" width="1" height="1"border="0" alt="" ></td></tr>
 284 </table>
 285 <table border="0" cellspacing="0" cellpadding="6" width="100%">
 286  <tr valign="top" bgcolor="#dddddd">
 287   <td><small>Copyright &copy; 2001 - 2007 SILC Project<br />
 288     <a href="http://silcnet.org">SILC Project Website</a></small></td>
 289   <td align="right"><small>
 290    <a href="index.html">SILC Toolkit Reference Manual</a><br />
 291    <a href="toolkit_index.html">Index</a></small></td>
 292    </small></td>
 293  </tr>
 294 </table>
 295
 296 </body>
 297 </html>