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<h1>Connectivity.cc</h1><a href="Connectivity_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 2005-2006 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">#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 <oasys/util/OptParser.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <oasys/util/StringBuffer.h></span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="Connectivity_8h.html">Connectivity.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="sim_2Node_8h.html">Node.h</a>"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="SimEvent_8h.html">SimEvent.h</a>"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="SimConvergenceLayer_8h.html">SimConvergenceLayer.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="Topology_8h.html">Topology.h</a>"</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="ContactManager_8h.html">contacts/ContactManager.h</a>"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="contacts_2Link_8h.html">contacts/Link.h</a>"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="EndpointID_8h.html">naming/EndpointID.h</a>"</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keyword">namespace </span>dtnsim {
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00037"></a>00037 Connectivity* <a class="code" href="classdtnsim_1_1Connectivity.html#a110f1940bfb1a51790bc1675c052212" title="Singleton instance.">Connectivity::instance_</a>(NULL);
<a name="l00038"></a>00038 std::string <a class="code" href="classdtnsim_1_1Connectivity.html#b2bf15456d5c86a5bc2518b8e51d53ce" title="The module type.">Connectivity::type_</a>(<span class="stringliteral">""</span>);
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00041"></a><a class="code" href="classdtnsim_1_1Connectivity.html#489070a1939865c3692e3b9c9a6f7b89">00041</a> <a class="code" href="classdtnsim_1_1Connectivity.html#489070a1939865c3692e3b9c9a6f7b89" title="Constructor.">Connectivity::Connectivity</a>()
<a name="l00042"></a>00042 : <a class="code" href="classoasys_1_1Logger.html">Logger</a>(<span class="stringliteral">"Connectivity"</span>, <span class="stringliteral">"/sim/conn"</span>)
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00047"></a>00047 <a class="code" href="classdtnsim_1_1Connectivity.html" title="Base class for the underlying connectivity management between nodes in the simulation...">Connectivity</a>*
<a name="l00048"></a><a class="code" href="classdtnsim_1_1Connectivity.html#bae34be743e761c3925fcbb5dccae2db">00048</a> Connectivity::create_conn()
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(<a class="code" href="classdtnsim_1_1Connectivity.html#b2bf15456d5c86a5bc2518b8e51d53ce" title="The module type.">type_</a> != <span class="stringliteral">""</span>);
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keywordflow">if</span> (<a class="code" href="classdtnsim_1_1Connectivity.html#b2bf15456d5c86a5bc2518b8e51d53ce" title="The module type.">type_</a> == <span class="stringliteral">"static"</span>) {
<a name="l00053"></a>00053 <span class="comment">// just the base class</span>
<a name="l00054"></a>00054 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classdtnsim_1_1Connectivity.html#489070a1939865c3692e3b9c9a6f7b89" title="Constructor.">Connectivity</a>();
<a name="l00055"></a>00055 } <span class="keywordflow">else</span> {
<a name="l00056"></a>00056 log_crit_p(<span class="stringliteral">"/connectivity"</span>, <span class="stringliteral">"invalid connectivity module type %s"</span>,
<a name="l00057"></a>00057 <a class="code" href="classdtnsim_1_1Connectivity.html#b2bf15456d5c86a5bc2518b8e51d53ce" title="The module type.">type_</a>.c_str());
<a name="l00058"></a>00058 <span class="keywordflow">return</span> NULL;
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00063"></a>00063 <span class="keywordtype">bool</span>
<a name="l00064"></a><a class="code" href="structdtnsim_1_1ConnState.html#43e20228d38b6e0ad32d284e25e42ed9">00064</a> <a class="code" href="structdtnsim_1_1ConnState.html#43e20228d38b6e0ad32d284e25e42ed9" title="Utility function to parse a time specification.">ConnState::parse_time</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* time_str, <span class="keywordtype">double</span>* time)
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 <span class="keywordtype">char</span>* <a class="code" href="dtncat_8c.html#7ab59805f7a1819164bc301293db600d">end</a>;
<a name="l00067"></a>00067 *time = strtod(time_str, &end);
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordflow">if</span> (end == time_str)
<a name="l00070"></a>00070 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordflow">if</span> (!strcmp(end, <span class="stringliteral">"us"</span>)) {
<a name="l00073"></a>00073 *time = *time / 1000000.0;
<a name="l00074"></a>00074 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00075"></a>00075
<a name="l00076"></a>00076 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcmp(end, <span class="stringliteral">"ms"</span>)) {
<a name="l00077"></a>00077 *time = *time / 1000.0;
<a name="l00078"></a>00078 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcmp(end, <span class="stringliteral">"s"</span>)) {
<a name="l00081"></a>00081 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00082"></a>00082
<a name="l00083"></a>00083 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcmp(end, <span class="stringliteral">"min"</span>)) {
<a name="l00084"></a>00084 *time = *time * 60;
<a name="l00085"></a>00085 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00086"></a>00086
<a name="l00087"></a>00087 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcmp(end, <span class="stringliteral">"hr"</span>)) {
<a name="l00088"></a>00088 *time = *time * 3600;
<a name="l00089"></a>00089 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00090"></a>00090
<a name="l00091"></a>00091 } <span class="keywordflow">else</span> {
<a name="l00092"></a>00092 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00097"></a>00097 <span class="keywordtype">bool</span>
<a name="l00098"></a><a class="code" href="structdtnsim_1_1ConnState.html#b440da74ec5dbe45546b169b75c47e75">00098</a> <a class="code" href="dtncat_8c.html#293abb58b132c26701dada5c4e57ca35">ConnState::parse_options</a>(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>** argv, <span class="keyword">const</span> <span class="keywordtype">char</span>** invalidp)
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 oasys::OptParser p;
<a name="l00101"></a>00101 std::string latency_str;
<a name="l00102"></a>00102
<a name="l00103"></a>00103 p.addopt(<span class="keyword">new</span> oasys::RateOpt(<span class="stringliteral">"bw"</span>, &<a class="code" href="structdtnsim_1_1ConnState.html#baebb749124c990c0a3b957dfd6467ad">bw_</a>));
<a name="l00104"></a>00104 p.addopt(<span class="keyword">new</span> oasys::StringOpt(<span class="stringliteral">"latency"</span>, &latency_str));
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="keywordflow">if</span> (! p.parse(argc, argv, invalidp)) {
<a name="l00107"></a>00107 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordflow">if</span> (latency_str != <span class="stringliteral">""</span> && !<a class="code" href="structdtnsim_1_1ConnState.html#43e20228d38b6e0ad32d284e25e42ed9" title="Utility function to parse a time specification.">parse_time</a>(latency_str.c_str(), &<a class="code" href="structdtnsim_1_1ConnState.html#2d33bb7b4db92d3aba604c08b5e36fab">latency_</a>)) {
<a name="l00111"></a>00111 *invalidp = strdup(latency_str.c_str()); <span class="comment">// leak!</span>
<a name="l00112"></a>00112 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00119"></a>00119 <span class="keywordtype">void</span>
<a name="l00120"></a><a class="code" href="classdtnsim_1_1Connectivity.html#97f42de775239141dc64c94586cc5472">00120</a> <a class="code" href="classdtnsim_1_1Connectivity.html#97f42de775239141dc64c94586cc5472" title="Set the current connectivity state.">Connectivity::set_state</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* n1, <span class="keyword">const</span> <span class="keywordtype">char</span>* n2, <span class="keyword">const</span> <a class="code" href="structdtnsim_1_1ConnState.html" title="Helper struct to store the current connectivity settings between a pair (or set)...">ConnState</a>& s)
<a name="l00121"></a>00121 {
<a name="l00122"></a>00122 log_debug(<span class="stringliteral">"set state %s,%s: %s bw=%llu latency=%f"</span>,
<a name="l00123"></a>00123 n1, n2, s.<a class="code" href="structdtnsim_1_1ConnState.html#bdc8e1b713b2b6692693c1ced1b6554c">open_</a> ? <span class="stringliteral">"up"</span> : <span class="stringliteral">"down"</span>, U64FMT(s.<a class="code" href="structdtnsim_1_1ConnState.html#baebb749124c990c0a3b957dfd6467ad">bw_</a>), s.<a class="code" href="structdtnsim_1_1ConnState.html#2d33bb7b4db92d3aba604c08b5e36fab">latency_</a>);
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="comment">// handle wildcards</span>
<a name="l00126"></a>00126 <span class="keywordflow">if</span> (!strcmp(n1, <span class="stringliteral">"*"</span>)) {
<a name="l00127"></a>00127 <a class="code" href="classdtnsim_1_1Topology.html#2073accb3f18bc9353212702f51f7835">Topology::NodeTable</a>* nodes = <a class="code" href="classdtnsim_1_1Topology.html#fa8695d124c438bc35f43ef9c4767bbd">Topology::node_table</a>();
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keywordflow">for</span> (Topology::NodeTable::iterator iter = nodes->begin();
<a name="l00130"></a>00130 iter != nodes->end(); ++iter)
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 <span class="keywordflow">if</span> (strcmp(iter->second->name(), n2) != 0) {
<a name="l00133"></a>00133 <a class="code" href="classdtnsim_1_1Connectivity.html#97f42de775239141dc64c94586cc5472" title="Set the current connectivity state.">set_state</a>(iter->second->name(), n2, s);
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136 <span class="keywordflow">return</span>;
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="keywordflow">if</span> (!strcmp(n2, <span class="stringliteral">"*"</span>)) {
<a name="l00140"></a>00140 <a class="code" href="classdtnsim_1_1Topology.html#2073accb3f18bc9353212702f51f7835">Topology::NodeTable</a>* nodes = <a class="code" href="classdtnsim_1_1Topology.html#fa8695d124c438bc35f43ef9c4767bbd">Topology::node_table</a>();
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordflow">for</span> (Topology::NodeTable::iterator iter = nodes->begin();
<a name="l00143"></a>00143 iter != nodes->end(); ++iter)
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 <span class="keywordflow">if</span> (strcmp(n1, iter->second->name()) != 0) {
<a name="l00146"></a>00146 <a class="code" href="classdtnsim_1_1Connectivity.html#97f42de775239141dc64c94586cc5472" title="Set the current connectivity state.">set_state</a>(n1, iter->second->name(), s);
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 <span class="keywordflow">return</span>;
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151
<a name="l00152"></a>00152 oasys::StringBuffer key(<span class="stringliteral">"%s,%s"</span>, n1, n2);
<a name="l00153"></a>00153 StateTable::iterator iter = <a class="code" href="classdtnsim_1_1Connectivity.html#f24151607c75a34b47f884ac81125e1c">state_</a>.find(key.c_str());
<a name="l00154"></a>00154 <span class="keywordflow">if</span> (iter != <a class="code" href="classdtnsim_1_1Connectivity.html#f24151607c75a34b47f884ac81125e1c">state_</a>.end()) {
<a name="l00155"></a>00155 iter->second = s;
<a name="l00156"></a>00156 } <span class="keywordflow">else</span> {
<a name="l00157"></a>00157 <a class="code" href="classdtnsim_1_1Connectivity.html#f24151607c75a34b47f884ac81125e1c">state_</a>[key.c_str()] = s;
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <a class="code" href="classdtnsim_1_1SimConvergenceLayer.html#088bc32699af701d4db627669793482b" title="Singleton accessor.">SimConvergenceLayer::instance</a>()->
<a name="l00161"></a>00161 update_connectivity(<a class="code" href="classdtnsim_1_1Topology.html#47925759729cb97284a5bb032941b132">Topology::find_node</a>(n1),
<a name="l00162"></a>00162 <a class="code" href="classdtnsim_1_1Topology.html#47925759729cb97284a5bb032941b132">Topology::find_node</a>(n2), s);
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00166"></a>00166 <span class="keyword">const</span> <a class="code" href="structdtnsim_1_1ConnState.html" title="Helper struct to store the current connectivity settings between a pair (or set)...">ConnState</a>*
<a name="l00167"></a><a class="code" href="classdtnsim_1_1Connectivity.html#a51f2d31913b28dafe3db9448c34c4ef">00167</a> <a class="code" href="classdtnsim_1_1Connectivity.html#a51f2d31913b28dafe3db9448c34c4ef" title="Get the current connectivity state between two nodes.">Connectivity::lookup</a>(<a class="code" href="classdtnsim_1_1Node.html" title="Class representing a node in the simulator (i.e.">Node</a>* n1, <a class="code" href="classdtnsim_1_1Node.html" title="Class representing a node in the simulator (i.e.">Node</a>* n2)
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 oasys::StringBuffer key(<span class="stringliteral">"%s,%s"</span>, n1-><a class="code" href="classdtnsim_1_1Node.html#cac8ab04c1d7117e0dea6b3ad74f70de" title="Accessor for name.">name</a>(), n2-><a class="code" href="classdtnsim_1_1Node.html#cac8ab04c1d7117e0dea6b3ad74f70de" title="Accessor for name.">name</a>());
<a name="l00170"></a>00170 StateTable::iterator iter = <a class="code" href="classdtnsim_1_1Connectivity.html#f24151607c75a34b47f884ac81125e1c">state_</a>.find(key.c_str());
<a name="l00171"></a>00171 <span class="keywordflow">if</span> (iter == <a class="code" href="classdtnsim_1_1Connectivity.html#f24151607c75a34b47f884ac81125e1c">state_</a>.end()) {
<a name="l00172"></a>00172 <span class="keywordflow">return</span> NULL;
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174 <span class="keywordflow">return</span> &iter->second;
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176
<a name="l00177"></a>00177 } <span class="comment">// namespace dtnsim</span>
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