doc/sphinx/_build/html/_modules/nepi/resources/ns3/ns3wrapper.html

   1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
   2   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   3
   4
   5 <html xmlns="http://www.w3.org/1999/xhtml">
   6   <head>
   7     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   8
   9     <title>nepi.resources.ns3.ns3wrapper &mdash; NEPI 3.2 documentation</title>
  10
  11     <link rel="stylesheet" href="../../../../_static/sphinxdoc.css" type="text/css" />
  12     <link rel="stylesheet" href="../../../../_static/pygments.css" type="text/css" />
  13
  14     <script type="text/javascript">
  15       var DOCUMENTATION_OPTIONS = {
  16         URL_ROOT:    '../../../../',
  17         VERSION:     '3.2',
  18         COLLAPSE_INDEX: false,
  19         FILE_SUFFIX: '.html',
  20         HAS_SOURCE:  true
  21       };
  22     </script>
  23     <script type="text/javascript" src="../../../../_static/jquery.js"></script>
  24     <script type="text/javascript" src="../../../../_static/underscore.js"></script>
  25     <script type="text/javascript" src="../../../../_static/doctools.js"></script>
  26     <link rel="top" title="NEPI 3.2 documentation" href="../../../../index.html" />
  27     <link rel="up" title="Module code" href="../../../index.html" />
  28   </head>
  29   <body>
  30     <div class="related">
  31       <h3>Navigation</h3>
  32       <ul>
  33         <li class="right" style="margin-right: 10px">
  34           <a href="../../../../genindex.html" title="General Index"
  35              accesskey="I">index</a></li>
  36         <li class="right" >
  37           <a href="../../../../py-modindex.html" title="Python Module Index"
  38              >modules</a> |</li>
  39         <li><a href="../../../../index.html">NEPI 3.2 documentation</a> &raquo;</li>
  40           <li><a href="../../../index.html" accesskey="U">Module code</a> &raquo;</li>
  41       </ul>
  42     </div>
  43       <div class="sphinxsidebar">
  44         <div class="sphinxsidebarwrapper">
  45 <div id="searchbox" style="display: none">
  46   <h3>Quick search</h3>
  47     <form class="search" action="../../../../search.html" method="get">
  48       <input type="text" name="q" />
  49       <input type="submit" value="Go" />
  50       <input type="hidden" name="check_keywords" value="yes" />
  51       <input type="hidden" name="area" value="default" />
  52     </form>
  53     <p class="searchtip" style="font-size: 90%">
  54     Enter search terms or a module, class or function name.
  55     </p>
  56 </div>
  57 <script type="text/javascript">$('#searchbox').show(0);</script>
  58         </div>
  59       </div>
  60
  61     <div class="document">
  62       <div class="documentwrapper">
  63         <div class="bodywrapper">
  64           <div class="body">
  65
  66   <h1>Source code for nepi.resources.ns3.ns3wrapper</h1><div class="highlight"><pre>
  67 <span class="c">#</span>
  68 <span class="c">#    NEPI, a framework to manage network experiments</span>
  69 <span class="c">#    Copyright (C) 2013 INRIA</span>
  70 <span class="c">#</span>
  71 <span class="c">#    This program is free software: you can redistribute it and/or modify</span>
  72 <span class="c">#    it under the terms of the GNU General Public License version 2 as</span>
  73 <span class="c">#    published by the Free Software Foundation;</span>
  74 <span class="c">#</span>
  75 <span class="c">#    This program is distributed in the hope that it will be useful,</span>
  76 <span class="c">#    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
  77 <span class="c">#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
  78 <span class="c">#    GNU General Public License for more details.</span>
  79 <span class="c">#</span>
  80 <span class="c">#    You should have received a copy of the GNU General Public License</span>
  81 <span class="c">#    along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
  82 <span class="c">#</span>
  83 <span class="c"># Author: Alina Quereilhac &lt;alina.quereilhac@inria.fr&gt;</span>
  84
  85 <span class="kn">import</span> <span class="nn">logging</span>
  86 <span class="kn">import</span> <span class="nn">os</span>
  87 <span class="kn">import</span> <span class="nn">sys</span>
  88 <span class="kn">import</span> <span class="nn">threading</span>
  89 <span class="kn">import</span> <span class="nn">time</span>
  90 <span class="kn">import</span> <span class="nn">uuid</span>
  91
  92 <span class="n">SINGLETON</span> <span class="o">=</span> <span class="s">&quot;singleton::&quot;</span>
  93 <span class="n">SIMULATOR_UUID</span> <span class="o">=</span> <span class="s">&quot;singleton::Simulator&quot;</span>
  94 <span class="n">CONFIG_UUID</span> <span class="o">=</span> <span class="s">&quot;singleton::Config&quot;</span>
  95 <span class="n">GLOBAL_VALUE_UUID</span> <span class="o">=</span> <span class="s">&quot;singleton::GlobalValue&quot;</span>
  96 <span class="n">IPV4_GLOBAL_ROUTING_HELPER_UUID</span> <span class="o">=</span> <span class="s">&quot;singleton::Ipv4GlobalRoutingHelper&quot;</span>
  97
  98 <div class="viewcode-block" id="load_ns3_libraries"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.load_ns3_libraries">[docs]</a><span class="k">def</span> <span class="nf">load_ns3_libraries</span><span class="p">():</span>
  99     <span class="kn">import</span> <span class="nn">ctypes</span>
 100     <span class="kn">import</span> <span class="nn">re</span>
 101
 102     <span class="n">libdir</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&quot;NS3LIBRARIES&quot;</span><span class="p">)</span>
 103
 104     <span class="c"># Load the ns-3 modules shared libraries</span>
 105     <span class="k">if</span> <span class="n">libdir</span><span class="p">:</span>
 106         <span class="n">files</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">listdir</span><span class="p">(</span><span class="n">libdir</span><span class="p">)</span>
 107         <span class="n">regex</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="s">&quot;(.*\.so)$&quot;</span><span class="p">)</span>
 108         <span class="n">libs</span> <span class="o">=</span> <span class="p">[</span><span class="n">m</span><span class="o">.</span><span class="n">group</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> <span class="k">for</span> <span class="n">filename</span> <span class="ow">in</span> <span class="n">files</span> <span class="k">for</span> <span class="n">m</span> <span class="ow">in</span> <span class="p">[</span><span class="n">regex</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="n">filename</span><span class="p">)]</span> <span class="k">if</span> <span class="n">m</span><span class="p">]</span>
 109
 110         <span class="n">initial_size</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">libs</span><span class="p">)</span>
 111         <span class="c"># Try to load the libraries in the right order by trial and error.</span>
 112         <span class="c"># Loop until all libraries are loaded.</span>
 113         <span class="k">while</span> <span class="nb">len</span><span class="p">(</span><span class="n">libs</span><span class="p">)</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">:</span>
 114             <span class="k">for</span> <span class="n">lib</span> <span class="ow">in</span> <span class="n">libs</span><span class="p">:</span>
 115                 <span class="n">libfile</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">libdir</span><span class="p">,</span> <span class="n">lib</span><span class="p">)</span>
 116                 <span class="k">try</span><span class="p">:</span>
 117                     <span class="n">ctypes</span><span class="o">.</span><span class="n">CDLL</span><span class="p">(</span><span class="n">libfile</span><span class="p">,</span> <span class="n">ctypes</span><span class="o">.</span><span class="n">RTLD_GLOBAL</span><span class="p">)</span>
 118                     <span class="n">libs</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">lib</span><span class="p">)</span>
 119                 <span class="k">except</span><span class="p">:</span>
 120                     <span class="c">#import traceback</span>
 121                     <span class="c">#err = traceback.format_exc()</span>
 122                     <span class="c">#print err</span>
 123                     <span class="k">pass</span>
 124
 125             <span class="c"># if did not load any libraries in the last iteration break</span>
 126             <span class="c"># to prevent infinit loop</span>
 127             <span class="k">if</span> <span class="n">initial_size</span> <span class="o">==</span> <span class="nb">len</span><span class="p">(</span><span class="n">libs</span><span class="p">):</span>
 128                 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s">&quot;Imposible to load shared libraries </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">libs</span><span class="p">))</span>
 129             <span class="n">initial_size</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">libs</span><span class="p">)</span>
 130 </div>
 131 <div class="viewcode-block" id="load_ns3_module"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.load_ns3_module">[docs]</a><span class="k">def</span> <span class="nf">load_ns3_module</span><span class="p">():</span>
 132     <span class="n">load_ns3_libraries</span><span class="p">()</span>
 133
 134     <span class="c"># import the python bindings for the ns-3 modules</span>
 135     <span class="n">bindings</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&quot;NS3BINDINGS&quot;</span><span class="p">)</span>
 136     <span class="k">if</span> <span class="n">bindings</span><span class="p">:</span>
 137         <span class="n">sys</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">bindings</span><span class="p">)</span>
 138
 139     <span class="kn">import</span> <span class="nn">pkgutil</span>
 140     <span class="kn">import</span> <span class="nn">imp</span>
 141     <span class="kn">import</span> <span class="nn">ns</span>
 142
 143     <span class="c"># create a Python module to add all ns3 classes</span>
 144     <span class="n">ns3mod</span> <span class="o">=</span> <span class="n">imp</span><span class="o">.</span><span class="n">new_module</span><span class="p">(</span><span class="s">&quot;ns3&quot;</span><span class="p">)</span>
 145     <span class="n">sys</span><span class="o">.</span><span class="n">modules</span><span class="p">[</span><span class="s">&quot;ns3&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">ns3mod</span>
 146
 147     <span class="k">for</span> <span class="n">importer</span><span class="p">,</span> <span class="n">modname</span><span class="p">,</span> <span class="n">ispkg</span> <span class="ow">in</span> <span class="n">pkgutil</span><span class="o">.</span><span class="n">iter_modules</span><span class="p">(</span><span class="n">ns</span><span class="o">.</span><span class="n">__path__</span><span class="p">):</span>
 148         <span class="k">if</span> <span class="n">modname</span> <span class="ow">in</span> <span class="p">[</span> <span class="s">&quot;visualizer&quot;</span> <span class="p">]:</span>
 149             <span class="k">continue</span>
 150
 151         <span class="n">fullmodname</span> <span class="o">=</span> <span class="s">&quot;ns.</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="n">modname</span>
 152         <span class="n">module</span> <span class="o">=</span> <span class="nb">__import__</span><span class="p">(</span><span class="n">fullmodname</span><span class="p">,</span> <span class="nb">globals</span><span class="p">(),</span> <span class="nb">locals</span><span class="p">(),</span> <span class="p">[</span><span class="s">&#39;*&#39;</span><span class="p">])</span>
 153
 154         <span class="k">for</span> <span class="n">sattr</span> <span class="ow">in</span> <span class="nb">dir</span><span class="p">(</span><span class="n">module</span><span class="p">):</span>
 155             <span class="k">if</span> <span class="n">sattr</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s">&quot;_&quot;</span><span class="p">):</span>
 156                 <span class="k">continue</span>
 157
 158             <span class="n">attr</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">module</span><span class="p">,</span> <span class="n">sattr</span><span class="p">)</span>
 159
 160             <span class="c"># netanim.Config and lte.Config singleton overrides ns3::Config</span>
 161             <span class="k">if</span> <span class="n">sattr</span> <span class="o">==</span> <span class="s">&quot;Config&quot;</span> <span class="ow">and</span> <span class="n">modname</span> <span class="ow">in</span> <span class="p">[</span><span class="s">&#39;netanim&#39;</span><span class="p">,</span> <span class="s">&#39;lte&#39;</span><span class="p">]:</span>
 162                 <span class="n">sattr</span> <span class="o">=</span> <span class="s">&quot;</span><span class="si">%s</span><span class="s">.</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">modname</span><span class="p">,</span> <span class="n">sattr</span><span class="p">)</span>
 163
 164             <span class="nb">setattr</span><span class="p">(</span><span class="n">ns3mod</span><span class="p">,</span> <span class="n">sattr</span><span class="p">,</span> <span class="n">attr</span><span class="p">)</span>
 165
 166     <span class="k">return</span> <span class="n">ns3mod</span>
 167 </div>
 168 <div class="viewcode-block" id="NS3Wrapper"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper">[docs]</a><span class="k">class</span> <span class="nc">NS3Wrapper</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
 169     <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">loglevel</span> <span class="o">=</span> <span class="n">logging</span><span class="o">.</span><span class="n">INFO</span><span class="p">,</span> <span class="n">enable_dump</span> <span class="o">=</span> <span class="bp">False</span><span class="p">):</span>
 170         <span class="nb">super</span><span class="p">(</span><span class="n">NS3Wrapper</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">__init__</span><span class="p">()</span>
 171         <span class="c"># Thread used to run the simulation</span>
 172         <span class="bp">self</span><span class="o">.</span><span class="n">_simulation_thread</span> <span class="o">=</span> <span class="bp">None</span>
 173         <span class="bp">self</span><span class="o">.</span><span class="n">_condition</span> <span class="o">=</span> <span class="bp">None</span>
 174
 175         <span class="c"># True if Simulator::Run was invoked</span>
 176         <span class="bp">self</span><span class="o">.</span><span class="n">_started</span> <span class="o">=</span> <span class="bp">False</span>
 177
 178         <span class="c"># holds reference to all C++ objects and variables in the simulation</span>
 179         <span class="bp">self</span><span class="o">.</span><span class="n">_objects</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
 180
 181         <span class="c"># Logging</span>
 182         <span class="bp">self</span><span class="o">.</span><span class="n">_logger</span> <span class="o">=</span> <span class="n">logging</span><span class="o">.</span><span class="n">getLogger</span><span class="p">(</span><span class="s">&quot;ns3wrapper&quot;</span><span class="p">)</span>
 183         <span class="bp">self</span><span class="o">.</span><span class="n">_logger</span><span class="o">.</span><span class="n">setLevel</span><span class="p">(</span><span class="n">loglevel</span><span class="p">)</span>
 184
 185         <span class="c">## NOTE that the reason to create a handler to the ns3 module,</span>
 186         <span class="c"># that is re-loaded each time a ns-3 wrapper is instantiated,</span>
 187         <span class="c"># is that else each unit test for the ns3wrapper class would need</span>
 188         <span class="c"># a separate file. Several ns3wrappers would be created in the </span>
 189         <span class="c"># same unit test (single process), leading to inchorences in the </span>
 190         <span class="c"># state of ns-3 global objects</span>
 191         <span class="c">#</span>
 192         <span class="c"># Handler to ns3 classes</span>
 193         <span class="bp">self</span><span class="o">.</span><span class="n">_ns3</span> <span class="o">=</span> <span class="bp">None</span>
 194
 195         <span class="c"># Collection of allowed ns3 classes</span>
 196         <span class="bp">self</span><span class="o">.</span><span class="n">_allowed_types</span> <span class="o">=</span> <span class="bp">None</span>
 197
 198         <span class="c"># Object to dump instructions to reproduce and debug experiment</span>
 199         <span class="kn">from</span> <span class="nn">ns3wrapper_debug</span> <span class="kn">import</span> <span class="n">NS3WrapperDebuger</span>
 200         <span class="bp">self</span><span class="o">.</span><span class="n">_debuger</span> <span class="o">=</span> <span class="n">NS3WrapperDebuger</span><span class="p">(</span><span class="n">enabled</span> <span class="o">=</span> <span class="n">enable_dump</span><span class="p">)</span>
 201
 202     <span class="nd">@property</span>
 203 <div class="viewcode-block" id="NS3Wrapper.debuger"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.debuger">[docs]</a>    <span class="k">def</span> <span class="nf">debuger</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 204         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_debuger</span>
 205 </div>
 206     <span class="nd">@property</span>
 207 <div class="viewcode-block" id="NS3Wrapper.ns3"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.ns3">[docs]</a>    <span class="k">def</span> <span class="nf">ns3</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 208         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ns3</span><span class="p">:</span>
 209             <span class="c"># load ns-3 libraries and bindings</span>
 210             <span class="bp">self</span><span class="o">.</span><span class="n">_ns3</span> <span class="o">=</span> <span class="n">load_ns3_module</span><span class="p">()</span>
 211
 212         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ns3</span>
 213 </div>
 214     <span class="nd">@property</span>
 215 <div class="viewcode-block" id="NS3Wrapper.allowed_types"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.allowed_types">[docs]</a>    <span class="k">def</span> <span class="nf">allowed_types</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 216         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_allowed_types</span><span class="p">:</span>
 217             <span class="bp">self</span><span class="o">.</span><span class="n">_allowed_types</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
 218             <span class="n">type_id</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">TypeId</span><span class="p">()</span>
 219
 220             <span class="n">tid_count</span> <span class="o">=</span> <span class="n">type_id</span><span class="o">.</span><span class="n">GetRegisteredN</span><span class="p">()</span>
 221             <span class="n">base</span> <span class="o">=</span> <span class="n">type_id</span><span class="o">.</span><span class="n">LookupByName</span><span class="p">(</span><span class="s">&quot;ns3::Object&quot;</span><span class="p">)</span>
 222
 223             <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">xrange</span><span class="p">(</span><span class="n">tid_count</span><span class="p">):</span>
 224                 <span class="n">tid</span> <span class="o">=</span> <span class="n">type_id</span><span class="o">.</span><span class="n">GetRegistered</span><span class="p">(</span><span class="n">i</span><span class="p">)</span>
 225
 226                 <span class="k">if</span> <span class="n">tid</span><span class="o">.</span><span class="n">MustHideFromDocumentation</span><span class="p">()</span> <span class="ow">or</span> \
 227                         <span class="ow">not</span> <span class="n">tid</span><span class="o">.</span><span class="n">HasConstructor</span><span class="p">()</span> <span class="ow">or</span> \
 228                         <span class="ow">not</span> <span class="n">tid</span><span class="o">.</span><span class="n">IsChildOf</span><span class="p">(</span><span class="n">base</span><span class="p">):</span>
 229                     <span class="k">continue</span>
 230
 231                 <span class="n">type_name</span> <span class="o">=</span> <span class="n">tid</span><span class="o">.</span><span class="n">GetName</span><span class="p">()</span>
 232                 <span class="bp">self</span><span class="o">.</span><span class="n">_allowed_types</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">type_name</span><span class="p">)</span>
 233
 234         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_allowed_types</span>
 235 </div>
 236     <span class="nd">@property</span>
 237 <div class="viewcode-block" id="NS3Wrapper.logger"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.logger">[docs]</a>    <span class="k">def</span> <span class="nf">logger</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 238         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_logger</span>
 239 </div>
 240     <span class="nd">@property</span>
 241 <div class="viewcode-block" id="NS3Wrapper.is_running"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.is_running">[docs]</a>    <span class="k">def</span> <span class="nf">is_running</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 242         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">is_started</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Simulator</span><span class="o">.</span><span class="n">IsFinished</span><span class="p">()</span>
 243 </div>
 244     <span class="nd">@property</span>
 245 <div class="viewcode-block" id="NS3Wrapper.is_started"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.is_started">[docs]</a>    <span class="k">def</span> <span class="nf">is_started</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 246         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_started</span><span class="p">:</span>
 247             <span class="n">now</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Simulator</span><span class="o">.</span><span class="n">Now</span><span class="p">()</span>
 248             <span class="k">if</span> <span class="ow">not</span> <span class="n">now</span><span class="o">.</span><span class="n">IsZero</span><span class="p">():</span>
 249                 <span class="bp">self</span><span class="o">.</span><span class="n">_started</span> <span class="o">=</span> <span class="bp">True</span>
 250
 251         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_started</span>
 252 </div>
 253     <span class="nd">@property</span>
 254 <div class="viewcode-block" id="NS3Wrapper.is_finished"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.is_finished">[docs]</a>    <span class="k">def</span> <span class="nf">is_finished</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 255         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Simulator</span><span class="o">.</span><span class="n">IsFinished</span><span class="p">()</span>
 256 </div>
 257 <div class="viewcode-block" id="NS3Wrapper.make_uuid"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.make_uuid">[docs]</a>    <span class="k">def</span> <span class="nf">make_uuid</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 258         <span class="k">return</span> <span class="s">&quot;uuid</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="n">uuid</span><span class="o">.</span><span class="n">uuid4</span><span class="p">()</span>
 259 </div>
 260 <div class="viewcode-block" id="NS3Wrapper.get_object"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.get_object">[docs]</a>    <span class="k">def</span> <span class="nf">get_object</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">uuid</span><span class="p">):</span>
 261         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_objects</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">uuid</span><span class="p">)</span>
 262 </div>
 263 <div class="viewcode-block" id="NS3Wrapper.factory"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.factory">[docs]</a>    <span class="k">def</span> <span class="nf">factory</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">type_name</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
 264         <span class="sd">&quot;&quot;&quot; This method should be used to construct ns-3 objects</span>
 265 <span class="sd">        that have a TypeId and related introspection information &quot;&quot;&quot;</span>
 266
 267         <span class="k">if</span> <span class="n">type_name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">allowed_types</span><span class="p">:</span>
 268             <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Type </span><span class="si">%s</span><span class="s"> not supported&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">type_name</span><span class="p">)</span>
 269             <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
 270
 271         <span class="n">uuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">make_uuid</span><span class="p">()</span>
 272
 273         <span class="c">### DEBUG</span>
 274         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;FACTORY </span><span class="si">%s</span><span class="s">( </span><span class="si">%s</span><span class="s"> )&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">type_name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">kwargs</span><span class="p">)))</span>
 275
 276         <span class="c">### DUMP</span>
 277         <span class="bp">self</span><span class="o">.</span><span class="n">debuger</span><span class="o">.</span><span class="n">dump_factory</span><span class="p">(</span><span class="n">uuid</span><span class="p">,</span> <span class="n">type_name</span><span class="p">,</span> <span class="n">kwargs</span><span class="p">)</span>
 278
 279         <span class="n">factory</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">ObjectFactory</span><span class="p">()</span>
 280         <span class="n">factory</span><span class="o">.</span><span class="n">SetTypeId</span><span class="p">(</span><span class="n">type_name</span><span class="p">)</span>
 281
 282         <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">iteritems</span><span class="p">():</span>
 283             <span class="n">ns3_value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_attr_from_string_to_ns3_value</span><span class="p">(</span><span class="n">type_name</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
 284             <span class="n">factory</span><span class="o">.</span><span class="n">Set</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">ns3_value</span><span class="p">)</span>
 285
 286         <span class="n">obj</span> <span class="o">=</span> <span class="n">factory</span><span class="o">.</span><span class="n">Create</span><span class="p">()</span>
 287
 288         <span class="bp">self</span><span class="o">.</span><span class="n">_objects</span><span class="p">[</span><span class="n">uuid</span><span class="p">]</span> <span class="o">=</span> <span class="n">obj</span>
 289
 290         <span class="c">### DEBUG</span>
 291         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;RET FACTORY ( uuid </span><span class="si">%s</span><span class="s"> ) </span><span class="si">%s</span><span class="s"> = </span><span class="si">%s</span><span class="s">( </span><span class="si">%s</span><span class="s"> )&quot;</span> <span class="o">%</span> <span class="p">(</span>
 292             <span class="nb">str</span><span class="p">(</span><span class="n">uuid</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">obj</span><span class="p">),</span> <span class="n">type_name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">kwargs</span><span class="p">)))</span>
 293
 294         <span class="k">return</span> <span class="n">uuid</span>
 295 </div>
 296 <div class="viewcode-block" id="NS3Wrapper.create"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.create">[docs]</a>    <span class="k">def</span> <span class="nf">create</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">clazzname</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">):</span>
 297         <span class="sd">&quot;&quot;&quot; This method should be used to construct ns-3 objects that</span>
 298 <span class="sd">        do not have a TypeId (e.g. Values) &quot;&quot;&quot;</span>
 299
 300         <span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="p">,</span> <span class="n">clazzname</span><span class="p">):</span>
 301             <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Type </span><span class="si">%s</span><span class="s"> not supported&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">clazzname</span><span class="p">)</span>
 302             <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
 303
 304         <span class="n">uuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">make_uuid</span><span class="p">()</span>
 305
 306         <span class="c">### DEBUG</span>
 307         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;CREATE </span><span class="si">%s</span><span class="s">( </span><span class="si">%s</span><span class="s"> )&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">clazzname</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">args</span><span class="p">)))</span>
 308
 309         <span class="c">### DUMP</span>
 310         <span class="bp">self</span><span class="o">.</span><span class="n">debuger</span><span class="o">.</span><span class="n">dump_create</span><span class="p">(</span><span class="n">uuid</span><span class="p">,</span> <span class="n">clazzname</span><span class="p">,</span> <span class="n">args</span><span class="p">)</span>
 311
 312         <span class="n">clazz</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="p">,</span> <span class="n">clazzname</span><span class="p">)</span>
 313
 314         <span class="c"># arguments starting with &#39;uuid&#39; identify ns-3 C++</span>
 315         <span class="c"># objects and must be replaced by the actual object</span>
 316         <span class="n">realargs</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">replace_args</span><span class="p">(</span><span class="n">args</span><span class="p">)</span>
 317
 318         <span class="n">obj</span> <span class="o">=</span> <span class="n">clazz</span><span class="p">(</span><span class="o">*</span><span class="n">realargs</span><span class="p">)</span>
 319
 320         <span class="bp">self</span><span class="o">.</span><span class="n">_objects</span><span class="p">[</span><span class="n">uuid</span><span class="p">]</span> <span class="o">=</span> <span class="n">obj</span>
 321
 322         <span class="c">### DEBUG</span>
 323         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;RET CREATE ( uuid </span><span class="si">%s</span><span class="s"> ) </span><span class="si">%s</span><span class="s"> = </span><span class="si">%s</span><span class="s">( </span><span class="si">%s</span><span class="s"> )&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">uuid</span><span class="p">),</span>
 324             <span class="nb">str</span><span class="p">(</span><span class="n">obj</span><span class="p">),</span> <span class="n">clazzname</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">args</span><span class="p">)))</span>
 325
 326         <span class="k">return</span> <span class="n">uuid</span>
 327 </div>
 328 <div class="viewcode-block" id="NS3Wrapper.invoke"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.invoke">[docs]</a>    <span class="k">def</span> <span class="nf">invoke</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">uuid</span><span class="p">,</span> <span class="n">operation</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
 329         <span class="c">### DEBUG</span>
 330         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;INVOKE </span><span class="si">%s</span><span class="s"> -&gt; </span><span class="si">%s</span><span class="s">( </span><span class="si">%s</span><span class="s">, </span><span class="si">%s</span><span class="s"> ) &quot;</span> <span class="o">%</span> <span class="p">(</span>
 331             <span class="n">uuid</span><span class="p">,</span> <span class="n">operation</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">args</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">kwargs</span><span class="p">)))</span>
 332         <span class="c">########</span>
 333
 334         <span class="n">result</span> <span class="o">=</span> <span class="bp">None</span>
 335         <span class="n">newuuid</span> <span class="o">=</span> <span class="bp">None</span>
 336
 337         <span class="k">if</span> <span class="n">operation</span> <span class="o">==</span> <span class="s">&quot;isRunning&quot;</span><span class="p">:</span>
 338             <span class="n">result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">is_running</span>
 339
 340         <span class="k">elif</span> <span class="n">operation</span> <span class="o">==</span> <span class="s">&quot;isStarted&quot;</span><span class="p">:</span>
 341             <span class="n">result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">is_started</span>
 342
 343         <span class="k">elif</span> <span class="n">operation</span> <span class="o">==</span> <span class="s">&quot;isFinished&quot;</span><span class="p">:</span>
 344             <span class="n">result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">is_finished</span>
 345
 346         <span class="k">elif</span> <span class="n">operation</span> <span class="o">==</span> <span class="s">&quot;isAppRunning&quot;</span><span class="p">:</span>
 347             <span class="n">result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_is_app_running</span><span class="p">(</span><span class="n">uuid</span><span class="p">)</span>
 348
 349         <span class="k">elif</span> <span class="n">operation</span> <span class="o">==</span> <span class="s">&quot;isAppStarted&quot;</span><span class="p">:</span>
 350             <span class="n">result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_is_app_started</span><span class="p">(</span><span class="n">uuid</span><span class="p">)</span>
 351
 352         <span class="k">elif</span> <span class="n">operation</span> <span class="o">==</span> <span class="s">&quot;recvFD&quot;</span><span class="p">:</span>
 353             <span class="c">### passFD operation binds to a different random socket </span>
 354             <span class="c">### en every execution, so the socket name that could be</span>
 355             <span class="c">### dumped to the debug script using dump_invoke is</span>
 356             <span class="c">### not be valid accross debug executions.</span>
 357             <span class="n">result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_recv_fd</span><span class="p">(</span><span class="n">uuid</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
 358
 359         <span class="k">elif</span> <span class="n">operation</span> <span class="o">==</span> <span class="s">&quot;addStaticRoute&quot;</span><span class="p">:</span>
 360             <span class="n">result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_add_static_route</span><span class="p">(</span><span class="n">uuid</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">)</span>
 361
 362             <span class="c">### DUMP - result is static, so will be dumped as plain text</span>
 363             <span class="bp">self</span><span class="o">.</span><span class="n">debuger</span><span class="o">.</span><span class="n">dump_invoke</span><span class="p">(</span><span class="n">result</span><span class="p">,</span> <span class="n">uuid</span><span class="p">,</span> <span class="n">operation</span><span class="p">,</span> <span class="n">args</span><span class="p">,</span> <span class="n">kwargs</span><span class="p">)</span>
 364
 365         <span class="k">elif</span> <span class="n">operation</span> <span class="o">==</span> <span class="s">&quot;retrieveObject&quot;</span><span class="p">:</span>
 366             <span class="n">result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_retrieve_object</span><span class="p">(</span><span class="n">uuid</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
 367
 368             <span class="c">### DUMP - result is static, so will be dumped as plain text</span>
 369             <span class="bp">self</span><span class="o">.</span><span class="n">debuger</span><span class="o">.</span><span class="n">dump_invoke</span><span class="p">(</span><span class="n">result</span><span class="p">,</span> <span class="n">uuid</span><span class="p">,</span> <span class="n">operation</span><span class="p">,</span> <span class="n">args</span><span class="p">,</span> <span class="n">kwargs</span><span class="p">)</span>
 370
 371         <span class="k">else</span><span class="p">:</span>
 372             <span class="n">newuuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">make_uuid</span><span class="p">()</span>
 373
 374             <span class="c">### DUMP - result is a uuid that encoded an dynamically generated </span>
 375             <span class="c">### object</span>
 376             <span class="bp">self</span><span class="o">.</span><span class="n">debuger</span><span class="o">.</span><span class="n">dump_invoke</span><span class="p">(</span><span class="n">newuuid</span><span class="p">,</span> <span class="n">uuid</span><span class="p">,</span> <span class="n">operation</span><span class="p">,</span> <span class="n">args</span><span class="p">,</span> <span class="n">kwargs</span><span class="p">)</span>
 377
 378             <span class="k">if</span> <span class="n">uuid</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="n">SINGLETON</span><span class="p">):</span>
 379                 <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_singleton</span><span class="p">(</span><span class="n">uuid</span><span class="p">)</span>
 380             <span class="k">else</span><span class="p">:</span>
 381                 <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_object</span><span class="p">(</span><span class="n">uuid</span><span class="p">)</span>
 382
 383             <span class="n">method</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">obj</span><span class="p">,</span> <span class="n">operation</span><span class="p">)</span>
 384
 385             <span class="c"># arguments starting with &#39;uuid&#39; identify ns-3 C++</span>
 386             <span class="c"># objects and must be replaced by the actual object</span>
 387             <span class="n">realargs</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">replace_args</span><span class="p">(</span><span class="n">args</span><span class="p">)</span>
 388             <span class="n">realkwargs</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">replace_kwargs</span><span class="p">(</span><span class="n">kwargs</span><span class="p">)</span>
 389
 390             <span class="n">result</span> <span class="o">=</span> <span class="n">method</span><span class="p">(</span><span class="o">*</span><span class="n">realargs</span><span class="p">,</span> <span class="o">**</span><span class="n">realkwargs</span><span class="p">)</span>
 391
 392             <span class="c"># If the result is an object (not a base value),</span>
 393             <span class="c"># then keep track of the object a return the object</span>
 394             <span class="c"># reference (newuuid)</span>
 395             <span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">result</span> <span class="ow">is</span> <span class="bp">None</span> <span class="ow">or</span> <span class="nb">type</span><span class="p">(</span><span class="n">result</span><span class="p">)</span> <span class="ow">in</span> <span class="p">[</span>
 396                     <span class="nb">bool</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">long</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="nb">int</span><span class="p">]):</span>
 397                 <span class="bp">self</span><span class="o">.</span><span class="n">_objects</span><span class="p">[</span><span class="n">newuuid</span><span class="p">]</span> <span class="o">=</span> <span class="n">result</span>
 398                 <span class="n">result</span> <span class="o">=</span> <span class="n">newuuid</span>
 399
 400         <span class="c">### DEBUG</span>
 401         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;RET INVOKE </span><span class="si">%s%s</span><span class="s"> = </span><span class="si">%s</span><span class="s"> -&gt; </span><span class="si">%s</span><span class="s">(</span><span class="si">%s</span><span class="s">, </span><span class="si">%s</span><span class="s">) &quot;</span> <span class="o">%</span> <span class="p">(</span>
 402             <span class="s">&quot;(uuid </span><span class="si">%s</span><span class="s">) &quot;</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">newuuid</span><span class="p">)</span> <span class="k">if</span> <span class="n">newuuid</span> <span class="k">else</span> <span class="s">&quot;&quot;</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">result</span><span class="p">),</span> <span class="n">uuid</span><span class="p">,</span>
 403             <span class="n">operation</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">args</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">kwargs</span><span class="p">)))</span>
 404         <span class="c">########</span>
 405
 406         <span class="k">return</span> <span class="n">result</span>
 407 </div>
 408     <span class="k">def</span> <span class="nf">_set_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">obj</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">ns3_value</span><span class="p">):</span>
 409         <span class="n">obj</span><span class="o">.</span><span class="n">SetAttribute</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">ns3_value</span><span class="p">)</span>
 410
 411 <div class="viewcode-block" id="NS3Wrapper.set"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.set">[docs]</a>    <span class="k">def</span> <span class="nf">set</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">uuid</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
 412         <span class="c">### DEBUG</span>
 413         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;SET </span><span class="si">%s</span><span class="s"> </span><span class="si">%s</span><span class="s"> </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">uuid</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">value</span><span class="p">)))</span>
 414
 415         <span class="c">### DUMP</span>
 416         <span class="bp">self</span><span class="o">.</span><span class="n">debuger</span><span class="o">.</span><span class="n">dump_set</span><span class="p">(</span><span class="n">uuid</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
 417
 418         <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_object</span><span class="p">(</span><span class="n">uuid</span><span class="p">)</span>
 419         <span class="n">type_name</span> <span class="o">=</span> <span class="n">obj</span><span class="o">.</span><span class="n">GetInstanceTypeId</span><span class="p">()</span><span class="o">.</span><span class="n">GetName</span><span class="p">()</span>
 420         <span class="n">ns3_value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_attr_from_string_to_ns3_value</span><span class="p">(</span><span class="n">type_name</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
 421
 422         <span class="c"># If the Simulation thread is not running,</span>
 423         <span class="c"># then there will be no thread-safety problems</span>
 424         <span class="c"># in changing the value of an attribute directly.</span>
 425         <span class="c"># However, if the simulation is running we need</span>
 426         <span class="c"># to set the value by scheduling an event, else</span>
 427         <span class="c"># we risk to corrupt the state of the</span>
 428         <span class="c"># simulation.</span>
 429
 430         <span class="n">event_executed</span> <span class="o">=</span> <span class="p">[</span><span class="bp">False</span><span class="p">]</span>
 431
 432         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">is_running</span><span class="p">:</span>
 433             <span class="c"># schedule the event in the Simulator</span>
 434             <span class="bp">self</span><span class="o">.</span><span class="n">_schedule_event</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_condition</span><span class="p">,</span> <span class="n">event_executed</span><span class="p">,</span>
 435                     <span class="bp">self</span><span class="o">.</span><span class="n">_set_attr</span><span class="p">,</span> <span class="n">obj</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">ns3_value</span><span class="p">)</span>
 436
 437         <span class="k">if</span> <span class="ow">not</span> <span class="n">event_executed</span><span class="p">[</span><span class="mi">0</span><span class="p">]:</span>
 438             <span class="bp">self</span><span class="o">.</span><span class="n">_set_attr</span><span class="p">(</span><span class="n">obj</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">ns3_value</span><span class="p">)</span>
 439
 440         <span class="c">### DEBUG</span>
 441         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;RET SET </span><span class="si">%s</span><span class="s"> = </span><span class="si">%s</span><span class="s"> -&gt; set(</span><span class="si">%s</span><span class="s">, </span><span class="si">%s</span><span class="s">)&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">value</span><span class="p">),</span> <span class="n">uuid</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span>
 442             <span class="nb">str</span><span class="p">(</span><span class="n">value</span><span class="p">)))</span>
 443
 444         <span class="k">return</span> <span class="n">value</span>
 445 </div>
 446     <span class="k">def</span> <span class="nf">_get_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">obj</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">ns3_value</span><span class="p">):</span>
 447         <span class="n">obj</span><span class="o">.</span><span class="n">GetAttribute</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">ns3_value</span><span class="p">)</span>
 448
 449 <div class="viewcode-block" id="NS3Wrapper.get"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.get">[docs]</a>    <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">uuid</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
 450         <span class="c">### DEBUG</span>
 451         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;GET </span><span class="si">%s</span><span class="s"> </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">uuid</span><span class="p">,</span> <span class="n">name</span><span class="p">))</span>
 452
 453         <span class="c">### DUMP</span>
 454         <span class="bp">self</span><span class="o">.</span><span class="n">debuger</span><span class="o">.</span><span class="n">dump_get</span><span class="p">(</span><span class="n">uuid</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
 455
 456         <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_object</span><span class="p">(</span><span class="n">uuid</span><span class="p">)</span>
 457         <span class="n">type_name</span> <span class="o">=</span> <span class="n">obj</span><span class="o">.</span><span class="n">GetInstanceTypeId</span><span class="p">()</span><span class="o">.</span><span class="n">GetName</span><span class="p">()</span>
 458         <span class="n">ns3_value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_create_attr_ns3_value</span><span class="p">(</span><span class="n">type_name</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
 459
 460         <span class="n">event_executed</span> <span class="o">=</span> <span class="p">[</span><span class="bp">False</span><span class="p">]</span>
 461
 462         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">is_running</span><span class="p">:</span>
 463             <span class="c"># schedule the event in the Simulator</span>
 464             <span class="bp">self</span><span class="o">.</span><span class="n">_schedule_event</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_condition</span><span class="p">,</span> <span class="n">event_executed</span><span class="p">,</span>
 465                     <span class="bp">self</span><span class="o">.</span><span class="n">_get_attr</span><span class="p">,</span> <span class="n">obj</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">ns3_value</span><span class="p">)</span>
 466
 467         <span class="k">if</span> <span class="ow">not</span> <span class="n">event_executed</span><span class="p">[</span><span class="mi">0</span><span class="p">]:</span>
 468             <span class="bp">self</span><span class="o">.</span><span class="n">_get_attr</span><span class="p">(</span><span class="n">obj</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">ns3_value</span><span class="p">)</span>
 469
 470         <span class="n">result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_attr_from_ns3_value_to_string</span><span class="p">(</span><span class="n">type_name</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">ns3_value</span><span class="p">)</span>
 471
 472         <span class="c">### DEBUG</span>
 473         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;RET GET </span><span class="si">%s</span><span class="s"> = </span><span class="si">%s</span><span class="s"> -&gt; get(</span><span class="si">%s</span><span class="s">)&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">result</span><span class="p">),</span> <span class="n">uuid</span><span class="p">,</span> <span class="n">name</span><span class="p">))</span>
 474
 475         <span class="k">return</span> <span class="n">result</span>
 476 </div>
 477 <div class="viewcode-block" id="NS3Wrapper.start"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.start">[docs]</a>    <span class="k">def</span> <span class="nf">start</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 478         <span class="c">### DUMP</span>
 479         <span class="bp">self</span><span class="o">.</span><span class="n">debuger</span><span class="o">.</span><span class="n">dump_start</span><span class="p">()</span>
 480
 481         <span class="c"># Launch the simulator thread and Start the</span>
 482         <span class="c"># simulator in that thread</span>
 483         <span class="bp">self</span><span class="o">.</span><span class="n">_condition</span> <span class="o">=</span> <span class="n">threading</span><span class="o">.</span><span class="n">Condition</span><span class="p">()</span>
 484         <span class="bp">self</span><span class="o">.</span><span class="n">_simulator_thread</span> <span class="o">=</span> <span class="n">threading</span><span class="o">.</span><span class="n">Thread</span><span class="p">(</span>
 485                 <span class="n">target</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_simulator_run</span><span class="p">,</span>
 486                 <span class="n">args</span> <span class="o">=</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_condition</span><span class="p">])</span>
 487         <span class="bp">self</span><span class="o">.</span><span class="n">_simulator_thread</span><span class="o">.</span><span class="n">setDaemon</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
 488         <span class="bp">self</span><span class="o">.</span><span class="n">_simulator_thread</span><span class="o">.</span><span class="n">start</span><span class="p">()</span>
 489
 490         <span class="c">### DEBUG</span>
 491         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;START&quot;</span><span class="p">)</span>
 492 </div>
 493 <div class="viewcode-block" id="NS3Wrapper.stop"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.stop">[docs]</a>    <span class="k">def</span> <span class="nf">stop</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">time</span> <span class="o">=</span> <span class="bp">None</span><span class="p">):</span>
 494         <span class="c">### DUMP</span>
 495         <span class="bp">self</span><span class="o">.</span><span class="n">debuger</span><span class="o">.</span><span class="n">dump_stop</span><span class="p">(</span><span class="n">time</span><span class="o">=</span><span class="n">time</span><span class="p">)</span>
 496
 497         <span class="k">if</span> <span class="n">time</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
 498             <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Simulator</span><span class="o">.</span><span class="n">Stop</span><span class="p">()</span>
 499         <span class="k">else</span><span class="p">:</span>
 500             <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Simulator</span><span class="o">.</span><span class="n">Stop</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Time</span><span class="p">(</span><span class="n">time</span><span class="p">))</span>
 501
 502         <span class="c">### DEBUG</span>
 503         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;STOP time=</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">time</span><span class="p">))</span>
 504 </div>
 505 <div class="viewcode-block" id="NS3Wrapper.shutdown"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.shutdown">[docs]</a>    <span class="k">def</span> <span class="nf">shutdown</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 506         <span class="c">### DUMP</span>
 507         <span class="bp">self</span><span class="o">.</span><span class="n">debuger</span><span class="o">.</span><span class="n">dump_shutdown</span><span class="p">()</span>
 508
 509         <span class="k">while</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Simulator</span><span class="o">.</span><span class="n">IsFinished</span><span class="p">():</span>
 510             <span class="c">#self.logger.debug(&quot;Waiting for simulation to finish&quot;)</span>
 511             <span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mf">0.5</span><span class="p">)</span>
 512
 513         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_simulator_thread</span><span class="p">:</span>
 514             <span class="bp">self</span><span class="o">.</span><span class="n">_simulator_thread</span><span class="o">.</span><span class="n">join</span><span class="p">()</span>
 515
 516         <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Simulator</span><span class="o">.</span><span class="n">Destroy</span><span class="p">()</span>
 517
 518         <span class="c"># Remove all references to ns-3 objects</span>
 519         <span class="bp">self</span><span class="o">.</span><span class="n">_objects</span><span class="o">.</span><span class="n">clear</span><span class="p">()</span>
 520
 521         <span class="n">sys</span><span class="o">.</span><span class="n">stdout</span><span class="o">.</span><span class="n">flush</span><span class="p">()</span>
 522         <span class="n">sys</span><span class="o">.</span><span class="n">stderr</span><span class="o">.</span><span class="n">flush</span><span class="p">()</span>
 523
 524         <span class="c">### DEBUG</span>
 525         <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;SHUTDOWN&quot;</span><span class="p">)</span>
 526 </div>
 527     <span class="k">def</span> <span class="nf">_simulator_run</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">):</span>
 528         <span class="c"># Run simulation</span>
 529         <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Simulator</span><span class="o">.</span><span class="n">Run</span><span class="p">()</span>
 530         <span class="c"># Signal condition to indicate simulation ended and</span>
 531         <span class="c"># notify waiting threads</span>
 532         <span class="n">condition</span><span class="o">.</span><span class="n">acquire</span><span class="p">()</span>
 533         <span class="n">condition</span><span class="o">.</span><span class="n">notifyAll</span><span class="p">()</span>
 534         <span class="n">condition</span><span class="o">.</span><span class="n">release</span><span class="p">()</span>
 535
 536     <span class="k">def</span> <span class="nf">_schedule_event</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">event_executed</span><span class="p">,</span> <span class="n">func</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">):</span>
 537         <span class="sd">&quot;&quot;&quot; Schedules event on running simulation, and wait until</span>
 538 <span class="sd">            event is executed&quot;&quot;&quot;</span>
 539
 540         <span class="k">def</span> <span class="nf">execute_event</span><span class="p">(</span><span class="n">contextId</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">event_executed</span><span class="p">,</span> <span class="n">func</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">):</span>
 541             <span class="k">try</span><span class="p">:</span>
 542                 <span class="n">func</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">)</span>
 543                 <span class="n">event_executed</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">=</span> <span class="bp">True</span>
 544             <span class="k">finally</span><span class="p">:</span>
 545                 <span class="c"># notify condition indicating event was executed</span>
 546                 <span class="n">condition</span><span class="o">.</span><span class="n">acquire</span><span class="p">()</span>
 547                 <span class="n">condition</span><span class="o">.</span><span class="n">notifyAll</span><span class="p">()</span>
 548                 <span class="n">condition</span><span class="o">.</span><span class="n">release</span><span class="p">()</span>
 549
 550         <span class="c"># contextId is defined as general context</span>
 551         <span class="n">contextId</span> <span class="o">=</span> <span class="nb">long</span><span class="p">(</span><span class="mh">0xffffffff</span><span class="p">)</span>
 552
 553         <span class="c"># delay 0 means that the event is expected to execute inmediately</span>
 554         <span class="n">delay</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Seconds</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
 555
 556         <span class="c"># Mark event as not executed</span>
 557         <span class="n">event_executed</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">=</span> <span class="bp">False</span>
 558
 559         <span class="n">condition</span><span class="o">.</span><span class="n">acquire</span><span class="p">()</span>
 560         <span class="k">try</span><span class="p">:</span>
 561             <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Simulator</span><span class="o">.</span><span class="n">ScheduleWithContext</span><span class="p">(</span><span class="n">contextId</span><span class="p">,</span> <span class="n">delay</span><span class="p">,</span> <span class="n">execute_event</span><span class="p">,</span>
 562                     <span class="n">condition</span><span class="p">,</span> <span class="n">event_executed</span><span class="p">,</span> <span class="n">func</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">)</span>
 563             <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Simulator</span><span class="o">.</span><span class="n">IsFinished</span><span class="p">():</span>
 564                 <span class="n">condition</span><span class="o">.</span><span class="n">wait</span><span class="p">()</span>
 565         <span class="k">finally</span><span class="p">:</span>
 566             <span class="n">condition</span><span class="o">.</span><span class="n">release</span><span class="p">()</span>
 567
 568     <span class="k">def</span> <span class="nf">_create_attr_ns3_value</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">type_name</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
 569         <span class="n">TypeId</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">TypeId</span><span class="p">()</span>
 570         <span class="n">tid</span> <span class="o">=</span> <span class="n">TypeId</span><span class="o">.</span><span class="n">LookupByName</span><span class="p">(</span><span class="n">type_name</span><span class="p">)</span>
 571         <span class="n">info</span> <span class="o">=</span> <span class="n">TypeId</span><span class="o">.</span><span class="n">AttributeInformation</span><span class="p">()</span>
 572         <span class="k">if</span> <span class="ow">not</span> <span class="n">tid</span><span class="o">.</span><span class="n">LookupAttributeByName</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">info</span><span class="p">):</span>
 573             <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;TypeId </span><span class="si">%s</span><span class="s"> has no attribute </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">type_name</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
 574             <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
 575
 576         <span class="n">checker</span> <span class="o">=</span> <span class="n">info</span><span class="o">.</span><span class="n">checker</span>
 577         <span class="n">ns3_value</span> <span class="o">=</span> <span class="n">checker</span><span class="o">.</span><span class="n">Create</span><span class="p">()</span>
 578         <span class="k">return</span> <span class="n">ns3_value</span>
 579
 580     <span class="k">def</span> <span class="nf">_attr_from_ns3_value_to_string</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">type_name</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">ns3_value</span><span class="p">):</span>
 581         <span class="n">TypeId</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">TypeId</span><span class="p">()</span>
 582         <span class="n">tid</span> <span class="o">=</span> <span class="n">TypeId</span><span class="o">.</span><span class="n">LookupByName</span><span class="p">(</span><span class="n">type_name</span><span class="p">)</span>
 583         <span class="n">info</span> <span class="o">=</span> <span class="n">TypeId</span><span class="o">.</span><span class="n">AttributeInformation</span><span class="p">()</span>
 584         <span class="k">if</span> <span class="ow">not</span> <span class="n">tid</span><span class="o">.</span><span class="n">LookupAttributeByName</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">info</span><span class="p">):</span>
 585             <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;TypeId </span><span class="si">%s</span><span class="s"> has no attribute </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">type_name</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
 586             <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
 587
 588         <span class="n">checker</span> <span class="o">=</span> <span class="n">info</span><span class="o">.</span><span class="n">checker</span>
 589         <span class="n">value</span> <span class="o">=</span> <span class="n">ns3_value</span><span class="o">.</span><span class="n">SerializeToString</span><span class="p">(</span><span class="n">checker</span><span class="p">)</span>
 590
 591         <span class="n">type_name</span> <span class="o">=</span> <span class="n">checker</span><span class="o">.</span><span class="n">GetValueTypeName</span><span class="p">()</span>
 592         <span class="k">if</span> <span class="n">type_name</span> <span class="ow">in</span> <span class="p">[</span><span class="s">&quot;ns3::UintegerValue&quot;</span><span class="p">,</span> <span class="s">&quot;ns3::IntegerValue&quot;</span><span class="p">]:</span>
 593             <span class="k">return</span> <span class="nb">int</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
 594         <span class="k">if</span> <span class="n">type_name</span> <span class="o">==</span> <span class="s">&quot;ns3::DoubleValue&quot;</span><span class="p">:</span>
 595             <span class="k">return</span> <span class="nb">float</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
 596         <span class="k">if</span> <span class="n">type_name</span> <span class="o">==</span> <span class="s">&quot;ns3::BooleanValue&quot;</span><span class="p">:</span>
 597             <span class="k">return</span> <span class="n">value</span> <span class="o">==</span> <span class="s">&quot;true&quot;</span>
 598
 599         <span class="k">return</span> <span class="n">value</span>
 600
 601     <span class="k">def</span> <span class="nf">_attr_from_string_to_ns3_value</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">type_name</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
 602         <span class="n">TypeId</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">TypeId</span><span class="p">()</span>
 603         <span class="n">tid</span> <span class="o">=</span> <span class="n">TypeId</span><span class="o">.</span><span class="n">LookupByName</span><span class="p">(</span><span class="n">type_name</span><span class="p">)</span>
 604         <span class="n">info</span> <span class="o">=</span> <span class="n">TypeId</span><span class="o">.</span><span class="n">AttributeInformation</span><span class="p">()</span>
 605         <span class="k">if</span> <span class="ow">not</span> <span class="n">tid</span><span class="o">.</span><span class="n">LookupAttributeByName</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">info</span><span class="p">):</span>
 606             <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;TypeId </span><span class="si">%s</span><span class="s"> has no attribute </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">type_name</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
 607             <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
 608
 609         <span class="n">str_value</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
 610         <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="nb">bool</span><span class="p">):</span>
 611             <span class="n">str_value</span> <span class="o">=</span> <span class="n">str_value</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span>
 612
 613         <span class="n">checker</span> <span class="o">=</span> <span class="n">info</span><span class="o">.</span><span class="n">checker</span>
 614         <span class="n">ns3_value</span> <span class="o">=</span> <span class="n">checker</span><span class="o">.</span><span class="n">Create</span><span class="p">()</span>
 615         <span class="n">ns3_value</span><span class="o">.</span><span class="n">DeserializeFromString</span><span class="p">(</span><span class="n">str_value</span><span class="p">,</span> <span class="n">checker</span><span class="p">)</span>
 616         <span class="k">return</span> <span class="n">ns3_value</span>
 617
 618     <span class="c"># singletons are identified as &quot;ns3::ClassName&quot;</span>
 619     <span class="k">def</span> <span class="nf">_singleton</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ident</span><span class="p">):</span>
 620         <span class="k">if</span> <span class="ow">not</span> <span class="n">ident</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="n">SINGLETON</span><span class="p">):</span>
 621             <span class="k">return</span> <span class="bp">None</span>
 622
 623         <span class="n">clazzname</span> <span class="o">=</span> <span class="n">ident</span><span class="p">[</span><span class="n">ident</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="s">&quot;::&quot;</span><span class="p">)</span><span class="o">+</span><span class="mi">2</span><span class="p">:]</span>
 624         <span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="p">,</span> <span class="n">clazzname</span><span class="p">):</span>
 625             <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Type </span><span class="si">%s</span><span class="s"> not supported&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">clazzname</span><span class="p">)</span>
 626             <span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
 627
 628         <span class="k">return</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="p">,</span> <span class="n">clazzname</span><span class="p">)</span>
 629
 630     <span class="c"># replace uuids and singleton references for the real objects</span>
 631 <div class="viewcode-block" id="NS3Wrapper.replace_args"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.replace_args">[docs]</a>    <span class="k">def</span> <span class="nf">replace_args</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">args</span><span class="p">):</span>
 632         <span class="n">realargs</span> <span class="o">=</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">get_object</span><span class="p">(</span><span class="n">arg</span><span class="p">)</span> <span class="k">if</span> \
 633                 <span class="nb">str</span><span class="p">(</span><span class="n">arg</span><span class="p">)</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s">&quot;uuid&quot;</span><span class="p">)</span> <span class="k">else</span> <span class="n">arg</span> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">args</span><span class="p">]</span>
 634
 635         <span class="n">realargs</span> <span class="o">=</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_singleton</span><span class="p">(</span><span class="n">arg</span><span class="p">)</span> <span class="k">if</span> \
 636                 <span class="nb">str</span><span class="p">(</span><span class="n">arg</span><span class="p">)</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="n">SINGLETON</span><span class="p">)</span> <span class="k">else</span> <span class="n">arg</span> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">realargs</span><span class="p">]</span>
 637
 638         <span class="k">return</span> <span class="n">realargs</span>
 639
 640     <span class="c"># replace uuids and singleton references for the real objects</span></div>
 641 <div class="viewcode-block" id="NS3Wrapper.replace_kwargs"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3wrapper.NS3Wrapper.replace_kwargs">[docs]</a>    <span class="k">def</span> <span class="nf">replace_kwargs</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">kwargs</span><span class="p">):</span>
 642         <span class="n">realkwargs</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">([(</span><span class="n">k</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_object</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> \
 643                 <span class="k">if</span> <span class="nb">str</span><span class="p">(</span><span class="n">v</span><span class="p">)</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s">&quot;uuid&quot;</span><span class="p">)</span> <span class="k">else</span> <span class="n">v</span><span class="p">)</span> \
 644                 <span class="k">for</span> <span class="n">k</span><span class="p">,</span><span class="n">v</span> <span class="ow">in</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">iteritems</span><span class="p">()])</span>
 645
 646         <span class="n">realkwargs</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">([(</span><span class="n">k</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_singleton</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> \
 647                 <span class="k">if</span> <span class="nb">str</span><span class="p">(</span><span class="n">v</span><span class="p">)</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="n">SINGLETON</span><span class="p">)</span> <span class="k">else</span> <span class="n">v</span> <span class="p">)</span>\
 648                 <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">realkwargs</span><span class="o">.</span><span class="n">iteritems</span><span class="p">()])</span>
 649
 650         <span class="k">return</span> <span class="n">realkwargs</span>
 651 </div>
 652     <span class="k">def</span> <span class="nf">_is_app_running</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">uuid</span><span class="p">):</span>
 653         <span class="n">now</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Simulator</span><span class="o">.</span><span class="n">Now</span><span class="p">()</span>
 654         <span class="k">if</span> <span class="n">now</span><span class="o">.</span><span class="n">IsZero</span><span class="p">():</span>
 655             <span class="k">return</span> <span class="bp">False</span>
 656
 657         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Simulator</span><span class="o">.</span><span class="n">IsFinished</span><span class="p">():</span>
 658             <span class="k">return</span> <span class="bp">False</span>
 659
 660         <span class="n">app</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_object</span><span class="p">(</span><span class="n">uuid</span><span class="p">)</span>
 661         <span class="n">stop_time_value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">TimeValue</span><span class="p">()</span>
 662         <span class="n">app</span><span class="o">.</span><span class="n">GetAttribute</span><span class="p">(</span><span class="s">&quot;StopTime&quot;</span><span class="p">,</span> <span class="n">stop_time_value</span><span class="p">)</span>
 663         <span class="n">stop_time</span> <span class="o">=</span> <span class="n">stop_time_value</span><span class="o">.</span><span class="n">Get</span><span class="p">()</span>
 664
 665         <span class="n">start_time_value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">TimeValue</span><span class="p">()</span>
 666         <span class="n">app</span><span class="o">.</span><span class="n">GetAttribute</span><span class="p">(</span><span class="s">&quot;StartTime&quot;</span><span class="p">,</span> <span class="n">start_time_value</span><span class="p">)</span>
 667         <span class="n">start_time</span> <span class="o">=</span> <span class="n">start_time_value</span><span class="o">.</span><span class="n">Get</span><span class="p">()</span>
 668
 669         <span class="k">if</span> <span class="n">now</span><span class="o">.</span><span class="n">Compare</span><span class="p">(</span><span class="n">start_time</span><span class="p">)</span> <span class="o">&gt;=</span> <span class="mi">0</span><span class="p">:</span>
 670             <span class="k">if</span> <span class="n">stop_time</span><span class="o">.</span><span class="n">IsZero</span><span class="p">()</span> <span class="ow">or</span> <span class="n">now</span><span class="o">.</span><span class="n">Compare</span><span class="p">(</span><span class="n">stop_time</span><span class="p">)</span> <span class="o">&lt;</span> <span class="mi">0</span><span class="p">:</span>
 671                 <span class="k">return</span> <span class="bp">True</span>
 672
 673         <span class="k">return</span> <span class="bp">False</span>
 674
 675     <span class="k">def</span> <span class="nf">_is_app_started</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">uuid</span><span class="p">):</span>
 676         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_is_app_running</span><span class="p">(</span><span class="n">uuid</span><span class="p">)</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">is_finished</span>
 677
 678     <span class="k">def</span> <span class="nf">_add_static_route</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ipv4_uuid</span><span class="p">,</span> <span class="n">network</span><span class="p">,</span> <span class="n">prefix</span><span class="p">,</span> <span class="n">nexthop</span><span class="p">):</span>
 679         <span class="n">ipv4</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_object</span><span class="p">(</span><span class="n">ipv4_uuid</span><span class="p">)</span>
 680
 681         <span class="n">list_routing</span> <span class="o">=</span> <span class="n">ipv4</span><span class="o">.</span><span class="n">GetRoutingProtocol</span><span class="p">()</span>
 682         <span class="p">(</span><span class="n">static_routing</span><span class="p">,</span> <span class="n">priority</span><span class="p">)</span> <span class="o">=</span> <span class="n">list_routing</span><span class="o">.</span><span class="n">GetRoutingProtocol</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
 683
 684         <span class="n">ifindex</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_find_ifindex</span><span class="p">(</span><span class="n">ipv4</span><span class="p">,</span> <span class="n">nexthop</span><span class="p">)</span>
 685         <span class="k">if</span> <span class="n">ifindex</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</span><span class="p">:</span>
 686             <span class="k">return</span> <span class="bp">False</span>
 687
 688         <span class="n">nexthop</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Ipv4Address</span><span class="p">(</span><span class="n">nexthop</span><span class="p">)</span>
 689
 690         <span class="k">if</span> <span class="n">network</span> <span class="ow">in</span> <span class="p">[</span><span class="s">&quot;0.0.0.0&quot;</span><span class="p">,</span> <span class="s">&quot;0&quot;</span><span class="p">,</span> <span class="bp">None</span><span class="p">]:</span>
 691             <span class="c"># Default route: 0.0.0.0/0</span>
 692             <span class="n">static_routing</span><span class="o">.</span><span class="n">SetDefaultRoute</span><span class="p">(</span><span class="n">nexthop</span><span class="p">,</span> <span class="n">ifindex</span><span class="p">)</span>
 693         <span class="k">else</span><span class="p">:</span>
 694             <span class="n">mask</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Ipv4Mask</span><span class="p">(</span><span class="s">&quot;/</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="n">prefix</span><span class="p">)</span>
 695             <span class="n">network</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Ipv4Address</span><span class="p">(</span><span class="n">network</span><span class="p">)</span>
 696
 697             <span class="k">if</span> <span class="n">prefix</span> <span class="o">==</span> <span class="mi">32</span><span class="p">:</span>
 698                 <span class="c"># Host route: x.y.z.w/32</span>
 699                 <span class="n">static_routing</span><span class="o">.</span><span class="n">AddHostRouteTo</span><span class="p">(</span><span class="n">network</span><span class="p">,</span> <span class="n">nexthop</span><span class="p">,</span> <span class="n">ifindex</span><span class="p">)</span>
 700             <span class="k">else</span><span class="p">:</span>
 701                 <span class="c"># Network route: x.y.z.w/n</span>
 702                 <span class="n">static_routing</span><span class="o">.</span><span class="n">AddNetworkRouteTo</span><span class="p">(</span><span class="n">network</span><span class="p">,</span> <span class="n">mask</span><span class="p">,</span> <span class="n">nexthop</span><span class="p">,</span>
 703                         <span class="n">ifindex</span><span class="p">)</span>
 704         <span class="k">return</span> <span class="bp">True</span>
 705
 706     <span class="k">def</span> <span class="nf">_find_ifindex</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ipv4</span><span class="p">,</span> <span class="n">nexthop</span><span class="p">):</span>
 707         <span class="n">ifindex</span> <span class="o">=</span> <span class="o">-</span><span class="mi">1</span>
 708
 709         <span class="n">nexthop</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">Ipv4Address</span><span class="p">(</span><span class="n">nexthop</span><span class="p">)</span>
 710
 711         <span class="c"># For all the interfaces registered with the ipv4 object, find</span>
 712         <span class="c"># the one that matches the network of the nexthop</span>
 713         <span class="n">nifaces</span> <span class="o">=</span> <span class="n">ipv4</span><span class="o">.</span><span class="n">GetNInterfaces</span><span class="p">()</span>
 714         <span class="k">for</span> <span class="n">ifidx</span> <span class="ow">in</span> <span class="nb">xrange</span><span class="p">(</span><span class="n">nifaces</span><span class="p">):</span>
 715             <span class="n">iface</span> <span class="o">=</span> <span class="n">ipv4</span><span class="o">.</span><span class="n">GetInterface</span><span class="p">(</span><span class="n">ifidx</span><span class="p">)</span>
 716             <span class="n">naddress</span> <span class="o">=</span> <span class="n">iface</span><span class="o">.</span><span class="n">GetNAddresses</span><span class="p">()</span>
 717             <span class="k">for</span> <span class="n">addridx</span> <span class="ow">in</span> <span class="nb">xrange</span><span class="p">(</span><span class="n">naddress</span><span class="p">):</span>
 718                 <span class="n">ifaddr</span> <span class="o">=</span> <span class="n">iface</span><span class="o">.</span><span class="n">GetAddress</span><span class="p">(</span><span class="n">addridx</span><span class="p">)</span>
 719                 <span class="n">ifmask</span> <span class="o">=</span> <span class="n">ifaddr</span><span class="o">.</span><span class="n">GetMask</span><span class="p">()</span>
 720
 721                 <span class="n">ifindex</span> <span class="o">=</span> <span class="n">ipv4</span><span class="o">.</span><span class="n">GetInterfaceForPrefix</span><span class="p">(</span><span class="n">nexthop</span><span class="p">,</span> <span class="n">ifmask</span><span class="p">)</span>
 722
 723                 <span class="k">if</span> <span class="n">ifindex</span> <span class="o">==</span> <span class="n">ifidx</span><span class="p">:</span>
 724                     <span class="k">return</span> <span class="n">ifindex</span>
 725         <span class="k">return</span> <span class="n">ifindex</span>
 726
 727     <span class="k">def</span> <span class="nf">_retrieve_object</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">uuid</span><span class="p">,</span> <span class="n">typeid</span><span class="p">,</span> <span class="n">search</span> <span class="o">=</span> <span class="bp">False</span><span class="p">):</span>
 728         <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_object</span><span class="p">(</span><span class="n">uuid</span><span class="p">)</span>
 729
 730         <span class="n">type_id</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ns3</span><span class="o">.</span><span class="n">TypeId</span><span class="p">()</span>
 731         <span class="n">tid</span> <span class="o">=</span> <span class="n">type_id</span><span class="o">.</span><span class="n">LookupByName</span><span class="p">(</span><span class="n">typeid</span><span class="p">)</span>
 732         <span class="n">nobj</span> <span class="o">=</span> <span class="n">obj</span><span class="o">.</span><span class="n">GetObject</span><span class="p">(</span><span class="n">tid</span><span class="p">)</span>
 733
 734         <span class="n">newuuid</span> <span class="o">=</span> <span class="bp">None</span>
 735         <span class="k">if</span> <span class="n">search</span><span class="p">:</span>
 736             <span class="c"># search object</span>
 737             <span class="k">for</span> <span class="n">ouuid</span><span class="p">,</span> <span class="n">oobj</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_objects</span><span class="o">.</span><span class="n">iteritems</span><span class="p">():</span>
 738                 <span class="k">if</span> <span class="n">nobj</span> <span class="o">==</span> <span class="n">oobj</span><span class="p">:</span>
 739                     <span class="n">newuuid</span> <span class="o">=</span> <span class="n">ouuid</span>
 740                     <span class="k">break</span>
 741         <span class="k">else</span><span class="p">:</span>
 742             <span class="n">newuuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">make_uuid</span><span class="p">()</span>
 743             <span class="bp">self</span><span class="o">.</span><span class="n">_objects</span><span class="p">[</span><span class="n">newuuid</span><span class="p">]</span> <span class="o">=</span> <span class="n">nobj</span>
 744
 745         <span class="k">return</span> <span class="n">newuuid</span>
 746
 747     <span class="k">def</span> <span class="nf">_recv_fd</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">uuid</span><span class="p">):</span>
 748         <span class="sd">&quot;&quot;&quot; Waits on a local address to receive a file descriptor</span>
 749 <span class="sd">        from a local process. The file descriptor is associated</span>
 750 <span class="sd">        to a FdNetDevice to stablish communication between the</span>
 751 <span class="sd">        simulation and what ever process writes on that file descriptor</span>
 752 <span class="sd">        &quot;&quot;&quot;</span>
 753
 754         <span class="k">def</span> <span class="nf">recvfd</span><span class="p">(</span><span class="n">sock</span><span class="p">,</span> <span class="n">fdnd</span><span class="p">):</span>
 755             <span class="p">(</span><span class="n">fd</span><span class="p">,</span> <span class="n">msg</span><span class="p">)</span> <span class="o">=</span> <span class="n">passfd</span><span class="o">.</span><span class="n">recvfd</span><span class="p">(</span><span class="n">sock</span><span class="p">)</span>
 756             <span class="c"># Store a reference to the endpoint to keep the socket alive</span>
 757             <span class="n">fdnd</span><span class="o">.</span><span class="n">SetFileDescriptor</span><span class="p">(</span><span class="n">fd</span><span class="p">)</span>
 758
 759         <span class="kn">import</span> <span class="nn">passfd</span>
 760         <span class="kn">import</span> <span class="nn">socket</span>
 761         <span class="n">sock</span> <span class="o">=</span> <span class="n">socket</span><span class="o">.</span><span class="n">socket</span><span class="p">(</span><span class="n">socket</span><span class="o">.</span><span class="n">AF_UNIX</span><span class="p">,</span> <span class="n">socket</span><span class="o">.</span><span class="n">SOCK_DGRAM</span><span class="p">)</span>
 762         <span class="n">sock</span><span class="o">.</span><span class="n">bind</span><span class="p">(</span><span class="s">&quot;&quot;</span><span class="p">)</span>
 763         <span class="n">address</span> <span class="o">=</span> <span class="n">sock</span><span class="o">.</span><span class="n">getsockname</span><span class="p">()</span>
 764
 765         <span class="n">fdnd</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_object</span><span class="p">(</span><span class="n">uuid</span><span class="p">)</span>
 766         <span class="n">t</span> <span class="o">=</span> <span class="n">threading</span><span class="o">.</span><span class="n">Thread</span><span class="p">(</span><span class="n">target</span><span class="o">=</span><span class="n">recvfd</span><span class="p">,</span> <span class="n">args</span><span class="o">=</span><span class="p">(</span><span class="n">sock</span><span class="p">,</span><span class="n">fdnd</span><span class="p">))</span>
 767         <span class="n">t</span><span class="o">.</span><span class="n">start</span><span class="p">()</span>
 768
 769         <span class="k">return</span> <span class="n">address</span>
 770 </pre></div></div>
 771
 772           </div>
 773         </div>
 774       </div>
 775       <div class="clearer"></div>
 776     </div>
 777     <div class="related">
 778       <h3>Navigation</h3>
 779       <ul>
 780         <li class="right" style="margin-right: 10px">
 781           <a href="../../../../genindex.html" title="General Index"
 782              >index</a></li>
 783         <li class="right" >
 784           <a href="../../../../py-modindex.html" title="Python Module Index"
 785              >modules</a> |</li>
 786         <li><a href="../../../../index.html">NEPI 3.2 documentation</a> &raquo;</li>
 787           <li><a href="../../../index.html" >Module code</a> &raquo;</li>
 788       </ul>
 789     </div>
 790     <div class="footer">
 791         &copy; Copyright 2014, Alina Quereilhac, Lucia Guevgeozian Odizzio, Julien Tribino.
 792       Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
 793     </div>
 794   </body>
 795 </html>