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<h1>DiscoveryCommand.cc</h1><a href="DiscoveryCommand_8cc.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 2006 Baylor University</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">#ifdef HAVE_CONFIG_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor"># include <<a class="code" href="dtn-config_8h.html">dtn-config.h</a>></span>
<a name="l00019"></a>00019 <span class="preprocessor">#endif</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <climits></span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="DiscoveryCommand_8h.html">DiscoveryCommand.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="Discovery_8h.html">discovery/Discovery.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="DiscoveryTable_8h.html">discovery/DiscoveryTable.h</a>"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="ConvergenceLayer_8h.html">conv_layers/ConvergenceLayer.h</a>"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <oasys/util/StringBuffer.h></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keyword">namespace </span>dtn {
<a name="l00030"></a>00030
<a name="l00031"></a><a class="code" href="classdtn_1_1DiscoveryCommand.html#70c9ebafd1d91c5ab513efa4391756df">00031</a> <a class="code" href="classdtn_1_1DiscoveryCommand.html#70c9ebafd1d91c5ab513efa4391756df">DiscoveryCommand::DiscoveryCommand</a>()
<a name="l00032"></a>00032 : TclCommand(<span class="stringliteral">"discovery"</span>)
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 add_to_help(<span class="stringliteral">"add <discovery_name> <address_family> <port=N> "</span>
<a name="l00035"></a>00035 <span class="stringliteral">"[<continue_on_error=true|false> "</span>
<a name="l00036"></a>00036 <span class="stringliteral">"<addr=A.B.C.D> <local_addr=A.B.C.D> <multicast_ttl=N> "</span>
<a name="l00037"></a>00037 <span class="stringliteral">"<unicast=true|false>]"</span>,
<a name="l00038"></a>00038 <span class="stringliteral">"add discovery agent (address family can be ip or bt "</span>
<a name="l00039"></a>00039 <span class="stringliteral">"[Bluetooth])"</span>);
<a name="l00040"></a>00040
<a name="l00041"></a>00041 add_to_help(<span class="stringliteral">"del <discovery_name>"</span>,<span class="stringliteral">"remove discovery agent"</span>);
<a name="l00042"></a>00042
<a name="l00043"></a>00043 add_to_help(<span class="stringliteral">"announce <cl_name> <discovery_name> <cl_type> "</span>
<a name="l00044"></a>00044 <span class="stringliteral">"<interval=N> [<cl_addr=A.B.C.D> <cl_port=N>]"</span>,
<a name="l00045"></a>00045 <span class="stringliteral">"announce the address of a local interface (convergence "</span>
<a name="l00046"></a>00046 <span class="stringliteral">"layer)"</span>);
<a name="l00047"></a>00047 add_to_help(<span class="stringliteral">"remove <name>"</span>,<span class="stringliteral">"remove announcement for local interface"</span>);
<a name="l00048"></a>00048 add_to_help(<span class="stringliteral">"list"</span>,<span class="stringliteral">"list all discovery agents and announcements"</span>);
<a name="l00049"></a>00049 }
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keywordtype">int</span>
<a name="l00052"></a><a class="code" href="classdtn_1_1DiscoveryCommand.html#9ce80859621d3386dc414aee6b91bc56">00052</a> <a class="code" href="classdtn_1_1DiscoveryCommand.html#9ce80859621d3386dc414aee6b91bc56">DiscoveryCommand::exec</a>(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>** argv, Tcl_Interp* interp)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 (void)interp;
<a name="l00055"></a>00055 <span class="keywordflow">if</span> (strncasecmp(<span class="stringliteral">"list"</span>,argv[1],4) == 0)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <span class="keywordflow">if</span> (argc > 2)
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 wrong_num_args(argc, argv, 1, 2, 2);
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 oasys::StringBuffer <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>;
<a name="l00063"></a>00063 DiscoveryTable::instance()->dump(&buf);
<a name="l00064"></a>00064 set_result(buf.c_str());
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordflow">return</span> TCL_OK;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068 <span class="keywordflow">else</span>
<a name="l00069"></a>00069 <span class="comment">// discovery add <name> <address family> <port></span>
<a name="l00070"></a>00070 <span class="comment">// [<local_addr> <addr> <multicast_ttl> <channel>]</span>
<a name="l00071"></a>00071 <span class="keywordflow">if</span> (strncasecmp(<span class="stringliteral">"add"</span>,argv[1],3) == 0)
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <span class="keywordflow">if</span> (argc < 4)
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 wrong_num_args(argc, argv, 2, 4, INT_MAX);
<a name="l00076"></a>00076 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keyword">const</span> <span class="keywordtype">char</span>* name = argv[2];
<a name="l00080"></a>00080 <span class="keyword">const</span> <span class="keywordtype">char</span>* afname = argv[3];
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keyword">const</span> <span class="keywordtype">char</span>* err = <span class="stringliteral">"(unknown error)"</span>;
<a name="l00083"></a>00083 <span class="keywordflow">if</span> (! DiscoveryTable::instance()-><span class="keyword">add</span>(name, afname,
<a name="l00084"></a>00084 argc - 4, argv + 4,
<a name="l00085"></a>00085 &err))
<a name="l00086"></a>00086 {
<a name="l00087"></a>00087 resultf(<span class="stringliteral">"error adding agent %s: %s"</span>, name, err);
<a name="l00088"></a>00088 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090 <span class="keywordflow">return</span> TCL_OK;
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092 <span class="keywordflow">else</span>
<a name="l00093"></a>00093 <span class="comment">// discovery del <name></span>
<a name="l00094"></a>00094 <span class="keywordflow">if</span> (strncasecmp(<span class="stringliteral">"del"</span>,argv[1],3) == 0)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 <span class="keywordflow">if</span> (argc != 3)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 wrong_num_args(argc,argv,2,3,3);
<a name="l00099"></a>00099 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keyword">const</span> <span class="keywordtype">char</span>* name = argv[2];
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="keywordflow">if</span> (! DiscoveryTable::instance()->del(name))
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 resultf(<span class="stringliteral">"error removing agent %s"</span>, name);
<a name="l00107"></a>00107 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordflow">return</span> TCL_OK;
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112 <span class="comment">// discovery announce <name> <discovery name> <cl type> <interval> </span>
<a name="l00113"></a>00113 <span class="comment">// [<cl_addr> <cl_port>]</span>
<a name="l00114"></a>00114 <span class="keywordflow">else</span>
<a name="l00115"></a>00115 <span class="keywordflow">if</span> (strncasecmp(<span class="stringliteral">"announce"</span>,argv[1],8) == 0)
<a name="l00116"></a>00116 {
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (argc < 6)
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 wrong_num_args(argc,argv,2,6,INT_MAX);
<a name="l00120"></a>00120 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keyword">const</span> <span class="keywordtype">char</span>* name = argv[2];
<a name="l00124"></a>00124 <span class="keyword">const</span> <span class="keywordtype">char</span>* dname = argv[3];
<a name="l00125"></a>00125
<a name="l00126"></a>00126 DiscoveryList::iterator iter;
<a name="l00127"></a>00127 <span class="keywordflow">if</span> (! DiscoveryTable::instance()->find(dname,&iter))
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 resultf(<span class="stringliteral">"error adding announce %s to %s: "</span>
<a name="l00130"></a>00130 <span class="stringliteral">"no such discovery agent"</span>,
<a name="l00131"></a>00131 name,dname);
<a name="l00132"></a>00132 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <a class="code" href="classdtn_1_1Discovery.html" title="Abstraction of neighbor discovery agent.">Discovery</a>* disc = *iter;
<a name="l00136"></a>00136 <span class="keywordflow">if</span> (! disc-><a class="code" href="classdtn_1_1Discovery.html#17302a43a3e0ee32249b9fbc9b58e1f8" title="Register an Announce to advertise a local convergence layer and to respond to advertisements...">announce</a>(name,argc - 4,argv + 4))
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 resultf(<span class="stringliteral">"error adding announce %s to %s"</span>,name,dname);
<a name="l00139"></a>00139 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141 <span class="keywordflow">return</span> TCL_OK;
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143 <span class="keywordflow">else</span>
<a name="l00144"></a>00144 <span class="comment">// discovery remove <name> <discovery name></span>
<a name="l00145"></a>00145 <span class="keywordflow">if</span> (strncasecmp(<span class="stringliteral">"remove"</span>,argv[1],6) == 0)
<a name="l00146"></a>00146 {
<a name="l00147"></a>00147 <span class="keywordflow">if</span> (argc != 4)
<a name="l00148"></a>00148 {
<a name="l00149"></a>00149 wrong_num_args(argc,argv,2,4,4);
<a name="l00150"></a>00150 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <span class="keyword">const</span> <span class="keywordtype">char</span>* name = argv[2];
<a name="l00154"></a>00154 <span class="keyword">const</span> <span class="keywordtype">char</span>* dname = argv[3];
<a name="l00155"></a>00155
<a name="l00156"></a>00156 DiscoveryList::iterator iter;
<a name="l00157"></a>00157 <span class="keywordflow">if</span> (! DiscoveryTable::instance()->find(dname,&iter))
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159 resultf(<span class="stringliteral">"error removing announce %s from %s: no such discovery agent"</span>,
<a name="l00160"></a>00160 name,dname);
<a name="l00161"></a>00161 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <a class="code" href="classdtn_1_1Discovery.html" title="Abstraction of neighbor discovery agent.">Discovery</a>* disc = *iter;
<a name="l00165"></a>00165 <span class="keywordflow">if</span> (! disc-><a class="code" href="classdtn_1_1Discovery.html#a176e99fdc0426d8cb6bbb75e9e34b0c" title="Remove registration for named announce object.">remove</a>(name))
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 resultf(<span class="stringliteral">"error removing announce %s from %s: no such announce"</span>,
<a name="l00168"></a>00168 name,dname);
<a name="l00169"></a>00169 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171 <span class="keywordflow">return</span> TCL_OK;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a>00174 resultf(<span class="stringliteral">"invalid discovery command: %s"</span>,argv[1]);
<a name="l00175"></a>00175 <span class="keywordflow">return</span> TCL_ERROR;
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177
<a name="l00178"></a>00178 } <span class="comment">// namespace dtn</span>
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Fri Jan 30 09:26:53 2009 for DTN Reference Implementation by
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Mandriva
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