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libdtn-devel-2.6.0-2mdv2009.1.i586.rpm

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<h1>EthConvergenceLayer.h</h1><a href="EthConvergenceLayer_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> *    Copyright 2004-2006 Intel Corporation</span>
<a name="l00003"></a>00003 <span class="comment"> * </span>
<a name="l00004"></a>00004 <span class="comment"> *    Licensed under the Apache License, Version 2.0 (the "License");</span>
<a name="l00005"></a>00005 <span class="comment"> *    you may not use this file except in compliance with the License.</span>
<a name="l00006"></a>00006 <span class="comment"> *    You may obtain a copy of the License at</span>
<a name="l00007"></a>00007 <span class="comment"> * </span>
<a name="l00008"></a>00008 <span class="comment"> *        http://www.apache.org/licenses/LICENSE-2.0</span>
<a name="l00009"></a>00009 <span class="comment"> * </span>
<a name="l00010"></a>00010 <span class="comment"> *    Unless required by applicable law or agreed to in writing, software</span>
<a name="l00011"></a>00011 <span class="comment"> *    distributed under the License is distributed on an "AS IS" BASIS,</span>
<a name="l00012"></a>00012 <span class="comment"> *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<a name="l00013"></a>00013 <span class="comment"> *    See the License for the specific language governing permissions and</span>
<a name="l00014"></a>00014 <span class="comment"> *    limitations under the License.</span>
<a name="l00015"></a>00015 <span class="comment"> */</span>
<a name="l00016"></a>00016 
<a name="l00017"></a>00017 <span class="preprocessor">#ifndef _ETH_CONVERGENCE_LAYER_H_</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define _ETH_CONVERGENCE_LAYER_H_</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="comment">// Only works on Linux (for now)</span>
<a name="l00021"></a>00021 <span class="preprocessor">#ifdef __linux__ </span>
<a name="l00022"></a>00022 <span class="preprocessor"></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include &lt;sys/types.h&gt;</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;netinet/in.h&gt;</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;linux/if.h&gt;</span>
<a name="l00026"></a>00026 
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;oasys/thread/Thread.h&gt;</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include &lt;oasys/thread/Timer.h&gt;</span>
<a name="l00029"></a>00029 
<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="ConvergenceLayer_8h.html">ConvergenceLayer.h</a>"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="EthernetScheme_8h.html">naming/EthernetScheme.h</a>"</span> <span class="comment">// for eth_addr_t</span>
<a name="l00032"></a>00032 
<a name="l00048"></a>00048 <span class="keyword">namespace </span>dtn {
<a name="l00049"></a>00049 
<a name="l00050"></a>00050 <span class="keyword">class </span>EthConvergenceLayer : <span class="keyword">public</span> ConvergenceLayer {
<a name="l00051"></a>00051 
<a name="l00052"></a>00052 <span class="keyword">public</span>:
<a name="l00053"></a>00053     <span class="keyword">class </span>BeaconTimer;
<a name="l00054"></a>00054 
<a name="l00058"></a>00058     <span class="keyword">static</span> <span class="keyword">const</span> u_int8_t  ETHCL_VERSION = 0x01;
<a name="l00059"></a>00059     <span class="keyword">static</span> <span class="keyword">const</span> u_int16_t ETHERTYPE_DTN = 0xd710;
<a name="l00060"></a>00060 
<a name="l00061"></a>00061     <span class="keyword">static</span> <span class="keyword">const</span> u_int8_t  ETHCL_BEACON = 0x01;
<a name="l00062"></a>00062     <span class="keyword">static</span> <span class="keyword">const</span> u_int8_t  ETHCL_BUNDLE = 0x02;
<a name="l00063"></a>00063 
<a name="l00064"></a>00064     <span class="keyword">static</span> <span class="keyword">const</span> u_int32_t ETHCL_BEACON_TIMEOUT_INTERVAL = 2500; <span class="comment">// 2.5 seconds</span>
<a name="l00065"></a>00065 
<a name="l00066"></a>00066     <span class="keyword">static</span> <span class="keyword">const</span> u_int16_t MAX_ETHER_PACKET = 1518;
<a name="l00067"></a>00067 
<a name="l00071"></a>00071     <span class="keyword">static</span> <span class="keyword">const</span> u_int MAX_BUNDLE_LEN = 65507;
<a name="l00072"></a>00072     
<a name="l00076"></a>00076     <span class="keyword">struct </span>EthCLHeader {
<a name="l00077"></a>00077         u_int8_t  version;              
<a name="l00078"></a>00078         u_int8_t  type;                 
<a name="l00079"></a>00079         u_int16_t _padding2;            
<a name="l00080"></a>00080         u_int32_t <a class="code" href="dtncat_8c.html#0d43174f8d3844aa5df38af2712ccb00">bundle_id</a>;            
<a name="l00081"></a>00081     } __attribute__((packed));
<a name="l00082"></a>00082 
<a name="l00087"></a>00087     <span class="keyword">class </span>EthCLInfo : <span class="keyword">public</span> CLInfo {
<a name="l00088"></a>00088       <span class="keyword">public</span>:
<a name="l00089"></a>00089         EthCLInfo(<span class="keywordtype">char</span>* if_name) {
<a name="l00090"></a>00090             memset(if_name_,0,IFNAMSIZ);
<a name="l00091"></a>00091             strcpy(if_name_,if_name);
<a name="l00092"></a>00092             timer    = NULL;
<a name="l00093"></a>00093         }
<a name="l00094"></a>00094 
<a name="l00095"></a>00095         ~EthCLInfo() {
<a name="l00096"></a>00096           <span class="keywordflow">if</span>(timer)
<a name="l00097"></a>00097               <span class="keyword">delete</span> timer;
<a name="l00098"></a>00098         }
<a name="l00099"></a>00099 
<a name="l00100"></a>00100         <span class="comment">// Name of the device </span>
<a name="l00101"></a>00101         <span class="keywordtype">char</span> if_name_[IFNAMSIZ];
<a name="l00102"></a>00102 
<a name="l00103"></a>00103         BeaconTimer* timer;
<a name="l00104"></a>00104     };
<a name="l00105"></a>00105 
<a name="l00109"></a>00109     EthConvergenceLayer();
<a name="l00110"></a>00110         
<a name="l00114"></a>00114     <span class="keywordtype">bool</span> interface_up(Interface* iface, <span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[]);
<a name="l00115"></a>00115 
<a name="l00119"></a>00119     <span class="keywordtype">bool</span> interface_down(Interface* iface);
<a name="l00120"></a>00120 
<a name="l00125"></a>00125     <span class="keywordtype">bool</span> open_contact(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#5f869544c85c75b5a85a14d6e90d7ff7" title="Typedef for a reference on a contact.">ContactRef</a>&amp; contact);
<a name="l00126"></a>00126     
<a name="l00130"></a>00130     <span class="keywordtype">bool</span> close_contact(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#5f869544c85c75b5a85a14d6e90d7ff7" title="Typedef for a reference on a contact.">ContactRef</a>&amp; contact);
<a name="l00131"></a>00131 
<a name="l00135"></a>00135     <span class="keywordtype">void</span> delete_link(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>&amp; link);
<a name="l00136"></a>00136 
<a name="l00140"></a>00140     <span class="keywordtype">void</span> bundle_queued(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>&amp; link, <span class="keyword">const</span> <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a>&amp; bundle);
<a name="l00141"></a>00141 
<a name="l00145"></a>00145     <span class="keywordtype">bool</span> is_queued(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#6efb37e503f8062c537b022eb755b94e" title="Typedef for a reference on a link.">LinkRef</a>&amp; contact, Bundle* bundle);
<a name="l00146"></a>00146     
<a name="l00156"></a>00156     <span class="keyword">class </span>Params : <span class="keyword">public</span> CLInfo {
<a name="l00157"></a>00157     <span class="keyword">public</span>:
<a name="l00158"></a>00158         u_int32_t beacon_interval_;       
<a name="l00159"></a>00159     };
<a name="l00160"></a>00160     
<a name="l00164"></a>00164     <span class="keyword">static</span> Params defaults_;
<a name="l00165"></a>00165     
<a name="l00170"></a>00170     <span class="keyword">class </span>Receiver : <span class="keyword">public</span> CLInfo,
<a name="l00171"></a>00171                      <span class="keyword">public</span> oasys::<a class="code" href="classoasys_1_1Logger.html">Logger</a>,
<a name="l00172"></a>00172                      <span class="keyword">public</span> oasys::Thread
<a name="l00173"></a>00173     {
<a name="l00174"></a>00174     <span class="keyword">public</span>:
<a name="l00178"></a>00178         Receiver(<span class="keyword">const</span> <span class="keywordtype">char</span> *if_name, EthConvergenceLayer::Params* params);
<a name="l00179"></a>00179 
<a name="l00183"></a>00183         <span class="keyword">virtual</span> ~Receiver() {}
<a name="l00184"></a>00184         
<a name="l00194"></a>00194         <span class="keywordtype">void</span> run();
<a name="l00195"></a>00195         
<a name="l00196"></a>00196     <span class="keyword">protected</span>:
<a name="l00200"></a>00200         <span class="keywordtype">void</span> process_data(u_char* bp, <span class="keywordtype">size_t</span> <a class="code" href="num2sdnv_8c.html#fed088663f8704004425cdae2120b9b3">len</a>);
<a name="l00201"></a>00201         <span class="keywordtype">char</span> if_name_[IFNAMSIZ];
<a name="l00202"></a>00202     };
<a name="l00203"></a>00203 
<a name="l00204"></a>00204 
<a name="l00205"></a>00205 
<a name="l00215"></a>00215     <span class="keyword">class </span>Sender : <span class="keyword">public</span> CLInfo,
<a name="l00216"></a>00216                    <span class="keyword">public</span> oasys::<a class="code" href="classoasys_1_1Logger.html">Logger</a>
<a name="l00217"></a>00217     {
<a name="l00218"></a>00218     <span class="keyword">public</span>:
<a name="l00222"></a>00222         Sender(<span class="keywordtype">char</span>* if_name, <span class="keyword">const</span> <a class="code" href="namespacedtn.html#5f869544c85c75b5a85a14d6e90d7ff7" title="Typedef for a reference on a contact.">ContactRef</a>&amp; contact);
<a name="l00223"></a>00223 
<a name="l00227"></a>00227         <span class="keyword">virtual</span> ~Sender() {}
<a name="l00228"></a>00228         
<a name="l00229"></a>00229     <span class="keyword">protected</span>:
<a name="l00230"></a>00230         <span class="keyword">friend</span> <span class="keyword">class </span>EthConvergenceLayer;
<a name="l00231"></a>00231         
<a name="l00235"></a>00235         <span class="keywordtype">bool</span> send_bundle(<span class="keyword">const</span> <a class="code" href="namespacedtn.html#87094f3b26b9f1d469e616d311ae57b1" title="Class definition for a Bundle reference.">BundleRef</a>&amp; bundle);
<a name="l00236"></a>00236 
<a name="l00238"></a>00238         <a class="code" href="namespacedtn.html#5f869544c85c75b5a85a14d6e90d7ff7" title="Typedef for a reference on a contact.">ContactRef</a> contact_;
<a name="l00239"></a>00239         
<a name="l00241"></a>00241         <span class="keywordtype">int</span> sock_;
<a name="l00242"></a>00242 
<a name="l00244"></a>00244         eth_addr_t src_hw_addr_;
<a name="l00245"></a>00245         eth_addr_t dst_hw_addr_; 
<a name="l00246"></a>00246 
<a name="l00248"></a>00248         <span class="keywordtype">char</span> if_name_[IFNAMSIZ]; 
<a name="l00249"></a>00249         
<a name="l00250"></a>00250         <span class="keywordtype">char</span> canary_[7];
<a name="l00251"></a>00251 
<a name="l00257"></a>00257         u_char buf_[EthConvergenceLayer::MAX_BUNDLE_LEN];
<a name="l00258"></a>00258     };
<a name="l00259"></a>00259 
<a name="l00264"></a>00264     <span class="keyword">class </span>Beacon : <span class="keyword">public</span> oasys::<a class="code" href="classoasys_1_1Logger.html">Logger</a>,
<a name="l00265"></a>00265                    <span class="keyword">public</span> oasys::Thread
<a name="l00266"></a>00266     {
<a name="l00267"></a>00267     <span class="keyword">public</span>:
<a name="l00268"></a>00268         Beacon(<span class="keyword">const</span> <span class="keywordtype">char</span>* if_name, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> beacon_interval);
<a name="l00269"></a>00269 
<a name="l00270"></a>00270         <span class="keyword">virtual</span> ~Beacon() {};
<a name="l00271"></a>00271 
<a name="l00272"></a>00272     <span class="keyword">private</span>:
<a name="l00273"></a>00273         <span class="keyword">virtual</span> <span class="keywordtype">void</span> run();
<a name="l00274"></a>00274         <span class="keywordtype">char</span> if_name_[IFNAMSIZ];
<a name="l00275"></a>00275         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> beacon_interval_;
<a name="l00276"></a>00276     };
<a name="l00277"></a>00277 
<a name="l00278"></a>00278     <span class="keyword">class </span>BeaconTimer : <span class="keyword">public</span> oasys::<a class="code" href="classoasys_1_1Logger.html">Logger</a>, <span class="keyword">public</span> oasys::Timer, <span class="keyword">public</span> CLInfo {
<a name="l00279"></a>00279     <span class="keyword">public</span>:
<a name="l00280"></a>00280         <span class="keywordtype">char</span> * next_hop_;
<a name="l00281"></a>00281 
<a name="l00282"></a>00282         BeaconTimer(<span class="keywordtype">char</span> * next_hop);
<a name="l00283"></a>00283         ~BeaconTimer();
<a name="l00284"></a>00284 
<a name="l00285"></a>00285         <span class="keywordtype">void</span> timeout(<span class="keyword">const</span> <span class="keyword">struct</span> timeval&amp; now);
<a name="l00286"></a>00286 
<a name="l00287"></a>00287         Timer* copy();
<a name="l00288"></a>00288     };    
<a name="l00289"></a>00289 
<a name="l00290"></a>00290 <span class="keyword">protected</span>:
<a name="l00294"></a>00294     <span class="keywordtype">bool</span> parse_params(Params* params, <span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>** argv,
<a name="l00295"></a>00295                       <span class="keyword">const</span> <span class="keywordtype">char</span>** invalidp);
<a name="l00296"></a>00296 
<a name="l00297"></a>00297 <span class="keyword">private</span>:
<a name="l00298"></a>00298     Beacon *if_beacon_;
<a name="l00299"></a>00299 };
<a name="l00300"></a>00300 
<a name="l00301"></a>00301 
<a name="l00302"></a>00302 } <span class="comment">// namespace dtn</span>
<a name="l00303"></a>00303 
<a name="l00304"></a>00304 <span class="preprocessor">#endif // __linux</span>
<a name="l00305"></a>00305 <span class="preprocessor"></span>
<a name="l00306"></a>00306 <span class="preprocessor">#endif </span><span class="comment">/* _ETH_CONVERGENCE_LAYER_H_ */</span>
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