<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>DTN Reference Implementation: DiscoveryTable.cc Source File</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.5.6 --> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <h1>DiscoveryTable.cc</h1><a href="DiscoveryTable_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 "<a class="code" href="Discovery_8h.html">Discovery.h</a>"</span> <a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="DiscoveryTable_8h.html">DiscoveryTable.h</a>"</span> <a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="ConvergenceLayer_8h.html">conv_layers/ConvergenceLayer.h</a>"</span> <a name="l00024"></a>00024 <a name="l00025"></a>00025 <span class="keyword">namespace </span>dtn { <a name="l00026"></a>00026 <a name="l00027"></a>00027 <span class="keyword">template</span><> <a name="l00028"></a>00028 DiscoveryTable* oasys::Singleton<DiscoveryTable,false>::instance_ = NULL; <a name="l00029"></a>00029 <a name="l00030"></a><a class="code" href="classdtn_1_1DiscoveryTable.html#8a6f0e045795d45c998188da1e43dea8">00030</a> <a class="code" href="classdtn_1_1DiscoveryTable.html#8a6f0e045795d45c998188da1e43dea8">DiscoveryTable::DiscoveryTable</a>() <a name="l00031"></a>00031 : <a class="code" href="classoasys_1_1Logger.html">Logger</a>(<span class="stringliteral">"DiscoveryTable"</span>,<span class="stringliteral">"/dtn/discovery/table"</span>) <a name="l00032"></a>00032 { <a name="l00033"></a>00033 } <a name="l00034"></a>00034 <a name="l00035"></a><a class="code" href="classdtn_1_1DiscoveryTable.html#fc75d0fda4e19348b0d814dd8fe824a6">00035</a> DiscoveryTable::~DiscoveryTable() <a name="l00036"></a>00036 { <a name="l00037"></a>00037 } <a name="l00038"></a>00038 <a name="l00039"></a>00039 <span class="keywordtype">void</span> <a name="l00040"></a><a class="code" href="classdtn_1_1DiscoveryTable.html#c7eb88618bfc1441f46de0375c1caed1">00040</a> <a class="code" href="classdtn_1_1DiscoveryTable.html#c7eb88618bfc1441f46de0375c1caed1">DiscoveryTable::shutdown</a>() <a name="l00041"></a>00041 { <a name="l00042"></a>00042 <span class="keywordflow">for</span>(DiscoveryList::iterator i = <a class="code" href="classdtn_1_1DiscoveryTable.html#4a1452133cacd071b4b2bd70aeeb781a">dlist_</a>.begin(); <a name="l00043"></a>00043 i != <a class="code" href="classdtn_1_1DiscoveryTable.html#4a1452133cacd071b4b2bd70aeeb781a">dlist_</a>.end(); <a name="l00044"></a>00044 i++) <a name="l00045"></a>00045 { <a name="l00046"></a>00046 <a class="code" href="classdtn_1_1Discovery.html" title="Abstraction of neighbor discovery agent.">Discovery</a>* d = *i; <a name="l00047"></a>00047 d-><a class="code" href="classdtn_1_1Discovery.html#f9d87f0da923ab6ede111146b3348771" title="Close down listening socket and stop the thread.">shutdown</a>(); <a name="l00048"></a>00048 <span class="keyword">delete</span> d; <a name="l00049"></a>00049 } <a name="l00050"></a>00050 <a class="code" href="classdtn_1_1DiscoveryTable.html#4a1452133cacd071b4b2bd70aeeb781a">dlist_</a>.clear(); <a name="l00051"></a>00051 } <a name="l00052"></a>00052 <a name="l00053"></a>00053 <span class="keywordtype">bool</span> <a name="l00054"></a><a class="code" href="classdtn_1_1DiscoveryTable.html#756f0ef8bee8033cfa5774b4cda78827">00054</a> <a class="code" href="classdtn_1_1DiscoveryTable.html#756f0ef8bee8033cfa5774b4cda78827">DiscoveryTable::find</a>(<span class="keyword">const</span> std::string& name, <a name="l00055"></a>00055 DiscoveryList::iterator* iter) <a name="l00056"></a>00056 { <a name="l00057"></a>00057 <a class="code" href="classdtn_1_1Discovery.html" title="Abstraction of neighbor discovery agent.">Discovery</a>* disc; <a name="l00058"></a>00058 <span class="keywordflow">for</span> (*iter = <a class="code" href="classdtn_1_1DiscoveryTable.html#4a1452133cacd071b4b2bd70aeeb781a">dlist_</a>.begin(); *iter != <a class="code" href="classdtn_1_1DiscoveryTable.html#4a1452133cacd071b4b2bd70aeeb781a">dlist_</a>.end(); (*iter)++) <a name="l00059"></a>00059 { <a name="l00060"></a>00060 disc = **iter; <a name="l00061"></a>00061 <span class="keywordflow">if</span> (disc-><a class="code" href="classdtn_1_1Discovery.html#28f6c94d28520370db8c09c8b5881b8f" title="Name of this Discovery instance.">name</a>() == name) <a name="l00062"></a>00062 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00063"></a>00063 } <a name="l00064"></a>00064 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00065"></a>00065 } <a name="l00066"></a>00066 <a name="l00067"></a>00067 <span class="keywordtype">bool</span> <a name="l00068"></a><a class="code" href="classdtn_1_1DiscoveryTable.html#f2aa104f3b5618e58b21b80624c1a393">00068</a> <a class="code" href="dtnperf-client_8c.html#517b0f7cbe789371f38fd9f87f8c807b">DiscoveryTable::add</a>(<span class="keyword">const</span> std::string& name, <a name="l00069"></a>00069 <span class="keyword">const</span> <span class="keywordtype">char</span>* afname, <a name="l00070"></a>00070 <span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[], <a name="l00071"></a>00071 <span class="keyword">const</span> <span class="keywordtype">char</span>** error) <a name="l00072"></a>00072 { <a name="l00073"></a>00073 DiscoveryList::iterator iter; <a name="l00074"></a>00074 <a name="l00075"></a>00075 <span class="keywordflow">if</span> (<a class="code" href="classdtn_1_1DiscoveryTable.html#756f0ef8bee8033cfa5774b4cda78827">find</a>(name, &iter)) <a name="l00076"></a>00076 { <a name="l00077"></a>00077 *error = <span class="stringliteral">"agent exists with that name"</span>; <a name="l00078"></a>00078 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00079"></a>00079 } <a name="l00080"></a>00080 <a name="l00081"></a>00081 std::string af(afname); <a name="l00082"></a>00082 <a class="code" href="classdtn_1_1Discovery.html" title="Abstraction of neighbor discovery agent.">Discovery</a>* disc = <a class="code" href="classdtn_1_1Discovery.html#a4db7b5f18c029eb30bf5f90a8b872a3" title="Factory method for instantiating objects from the appropriate derived class.">Discovery::create_discovery</a>(name, afname, argc, argv, <a name="l00083"></a>00083 error); <a name="l00084"></a>00084 <a name="l00085"></a>00085 <span class="keywordflow">if</span> (disc == NULL) { <a name="l00086"></a>00086 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00087"></a>00087 } <a name="l00088"></a>00088 <a name="l00089"></a>00089 log_info(<span class="stringliteral">"adding discovery agent %s (%s)"</span>,name.c_str(),afname); <a name="l00090"></a>00090 <a name="l00091"></a>00091 <a class="code" href="classdtn_1_1DiscoveryTable.html#4a1452133cacd071b4b2bd70aeeb781a">dlist_</a>.push_back(disc); <a name="l00092"></a>00092 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00093"></a>00093 } <a name="l00094"></a>00094 <a name="l00095"></a>00095 <span class="keywordtype">bool</span> <a name="l00096"></a><a class="code" href="classdtn_1_1DiscoveryTable.html#a2d8309867011d3a8c51678a95028d21">00096</a> <a class="code" href="classdtn_1_1DiscoveryTable.html#a2d8309867011d3a8c51678a95028d21">DiscoveryTable::del</a>(<span class="keyword">const</span> std::string& name) <a name="l00097"></a>00097 { <a name="l00098"></a>00098 DiscoveryList::iterator iter; <a name="l00099"></a>00099 <a class="code" href="classdtn_1_1Discovery.html" title="Abstraction of neighbor discovery agent.">Discovery</a>* disc; <a name="l00100"></a>00100 <a name="l00101"></a>00101 log_info(<span class="stringliteral">"removing discovery agent %s"</span>,name.c_str()); <a name="l00102"></a>00102 <a name="l00103"></a>00103 <span class="keywordflow">if</span>(! <a class="code" href="classdtn_1_1DiscoveryTable.html#756f0ef8bee8033cfa5774b4cda78827">find</a>(name,&iter)) <a name="l00104"></a>00104 { <a name="l00105"></a>00105 log_err(<span class="stringliteral">"error removing agent %s: no such agent"</span>,name.c_str()); <a name="l00106"></a>00106 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00107"></a>00107 } <a name="l00108"></a>00108 <a name="l00109"></a>00109 disc = *iter; <a name="l00110"></a>00110 <a class="code" href="classdtn_1_1DiscoveryTable.html#4a1452133cacd071b4b2bd70aeeb781a">dlist_</a>.erase(iter); <a name="l00111"></a>00111 disc-><a class="code" href="classdtn_1_1Discovery.html#f9d87f0da923ab6ede111146b3348771" title="Close down listening socket and stop the thread.">shutdown</a>(); <a name="l00112"></a>00112 <span class="keyword">delete</span> disc; <a name="l00113"></a>00113 <a name="l00114"></a>00114 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00115"></a>00115 } <a name="l00116"></a>00116 <a name="l00117"></a>00117 <span class="keywordtype">void</span> <a name="l00118"></a><a class="code" href="classdtn_1_1DiscoveryTable.html#ba6dcb6ab839afed5481ecb1c1e45e1b">00118</a> <a class="code" href="serialsource_8c.html#87b713d53023266d98d45b86312c26aa">DiscoveryTable::dump</a>(oasys::StringBuffer* <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>) <a name="l00119"></a>00119 { <a name="l00120"></a>00120 DiscoveryList::iterator iter; <a name="l00121"></a>00121 <a class="code" href="classdtn_1_1Discovery.html" title="Abstraction of neighbor discovery agent.">Discovery</a>* disc; <a name="l00122"></a>00122 <a name="l00123"></a>00123 buf->appendf(<span class="stringliteral">"\nDiscovery: %zu agents\n"</span> <a name="l00124"></a>00124 <span class="stringliteral">"---------\n"</span>,<a class="code" href="classdtn_1_1DiscoveryTable.html#4a1452133cacd071b4b2bd70aeeb781a">dlist_</a>.size()); <a name="l00125"></a>00125 <span class="keywordflow">for</span> (iter = <a class="code" href="classdtn_1_1DiscoveryTable.html#4a1452133cacd071b4b2bd70aeeb781a">dlist_</a>.begin(); iter != <a class="code" href="classdtn_1_1DiscoveryTable.html#4a1452133cacd071b4b2bd70aeeb781a">dlist_</a>.end(); iter++) <a name="l00126"></a>00126 { <a name="l00127"></a>00127 disc = *iter; <a name="l00128"></a>00128 disc-><a class="code" href="classdtn_1_1Discovery.html#a380c76912923a5a2f5ead66d92f2259" title="Append snapshot of object state to StringBuffer.">dump</a>(buf); <a name="l00129"></a>00129 buf->append(<span class="stringliteral">"\n"</span>); <a name="l00130"></a>00130 } <a name="l00131"></a>00131 } <a name="l00132"></a>00132 <a name="l00133"></a>00133 } <span class="comment">// namespace dtn</span> </pre></div></div> <hr size="1"><address style="text-align: right;"><small>Generated on Mon Jul 21 14:09:39 2008 for DTN Reference Implementation by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address> </body> </html>