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  66   <h1>Source code for nepi.resources.netns.netnsswitch</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) 2014 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">from</span> <span class="nn">nepi.execution.attribute</span> <span class="kn">import</span> <span class="n">Attribute</span><span class="p">,</span> <span class="n">Flags</span><span class="p">,</span> <span class="n">Types</span>
  86 <span class="kn">from</span> <span class="nn">nepi.execution.resource</span> <span class="kn">import</span> <span class="n">clsinit_copy</span>
  87 <span class="kn">from</span> <span class="nn">nepi.resources.netns.netnsbase</span> <span class="kn">import</span> <span class="n">NetNSBase</span>
  88
  89 <span class="nd">@clsinit_copy</span>
  90 <div class="viewcode-block" id="NetNSSwitch"><a class="viewcode-back" href="../../../../_layout/nepi.resources.netns.html#nepi.resources.netns.netnsswitch.NetNSSwitch">[docs]</a><span class="k">class</span> <span class="nc">NetNSSwitch</span><span class="p">(</span><span class="n">NetNSBase</span><span class="p">):</span>
  91     <span class="n">_rtype</span> <span class="o">=</span> <span class="s">&quot;netns::Switch&quot;</span>
  92
  93     <span class="nd">@classmethod</span>
  94     <span class="k">def</span> <span class="nf">_register_attributes</span><span class="p">(</span><span class="n">cls</span><span class="p">):</span>
  95         <span class="n">up</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;up&quot;</span><span class="p">,</span> <span class="s">&quot;Switch up&quot;</span><span class="p">,</span>
  96                 <span class="n">default</span> <span class="o">=</span> <span class="bp">True</span><span class="p">,</span>
  97                 <span class="nb">type</span> <span class="o">=</span> <span class="n">Types</span><span class="o">.</span><span class="n">Bool</span><span class="p">)</span>
  98
  99         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">up</span><span class="p">)</span>
 100
 101     <span class="nd">@property</span>
 102 <div class="viewcode-block" id="NetNSSwitch.emulation"><a class="viewcode-back" href="../../../../_layout/nepi.resources.netns.html#nepi.resources.netns.netnsswitch.NetNSSwitch.emulation">[docs]</a>    <span class="k">def</span> <span class="nf">emulation</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 103         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">emulation</span>
 104 </div>
 105     <span class="nd">@property</span>
 106 <div class="viewcode-block" id="NetNSSwitch.node"><a class="viewcode-back" href="../../../../_layout/nepi.resources.netns.html#nepi.resources.netns.netnsswitch.NetNSSwitch.node">[docs]</a>    <span class="k">def</span> <span class="nf">node</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 107         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">interface</span><span class="o">.</span><span class="n">node</span>
 108 </div>
 109     <span class="nd">@property</span>
 110 <div class="viewcode-block" id="NetNSSwitch.interface"><a class="viewcode-back" href="../../../../_layout/nepi.resources.netns.html#nepi.resources.netns.netnsswitch.NetNSSwitch.interface">[docs]</a>    <span class="k">def</span> <span class="nf">interface</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 111         <span class="kn">from</span> <span class="nn">nepi.resources.netns.netnsinterface</span> <span class="kn">import</span> <span class="n">NetNSInterface</span>
 112         <span class="n">interface</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_connected</span><span class="p">(</span><span class="n">NetNSInterface</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
 113
 114         <span class="k">if</span> <span class="ow">not</span> <span class="n">interface</span><span class="p">:</span>
 115             <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Switch not connected to any Interface!!&quot;</span>
 116             <span class="bp">self</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
 117             <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
 118
 119         <span class="k">return</span> <span class="n">interface</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
 120 </div>
 121     <span class="nd">@property</span>
 122     <span class="k">def</span> <span class="nf">_rms_to_wait</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 123         <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">emulation</span><span class="p">]</span>
 124
 125     <span class="k">def</span> <span class="nf">_instantiate_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 126         <span class="bp">self</span><span class="o">.</span><span class="n">_uuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">emulation</span><span class="o">.</span><span class="n">create</span><span class="p">(</span><span class="s">&quot;Switch&quot;</span><span class="p">)</span>
 127         <span class="bp">self</span><span class="o">.</span><span class="n">emulation</span><span class="o">.</span><span class="n">emu_set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;up&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&quot;up&quot;</span><span class="p">))</span>
 128 </pre></div></div>
 129
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