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66 <h1>Source code for nepi.resources.netns.netnsnodeinterface</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 <http://www.gnu.org/licenses/>.</span>
82 <span class="c">#</span>
83 <span class="c"># Author: Alina Quereilhac <alina.quereilhac@inria.fr></span>
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.netnsinterface</span> <span class="kn">import</span> <span class="n">NetNSInterface</span>
89 <span class="nd">@clsinit_copy</span>
90 <div class="viewcode-block" id="NetNSNodeInterface"><a class="viewcode-back" href="../../../../_layout/nepi.resources.netns.html#nepi.resources.netns.netnsnodeinterface.NetNSNodeInterface">[docs]</a><span class="k">class</span> <span class="nc">NetNSNodeInterface</span><span class="p">(</span><span class="n">NetNSInterface</span><span class="p">):</span>
91 <span class="n">_rtype</span> <span class="o">=</span> <span class="s">"netns::NodeInterface"</span>
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">"up"</span><span class="p">,</span> <span class="s">"Interface up"</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>
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>
101 <span class="nd">@property</span>
102 <div class="viewcode-block" id="NetNSNodeInterface.emulation"><a class="viewcode-back" href="../../../../_layout/nepi.resources.netns.html#nepi.resources.netns.netnsnodeinterface.NetNSNodeInterface.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>
105 <span class="nd">@property</span>
106 <div class="viewcode-block" id="NetNSNodeInterface.node"><a class="viewcode-back" href="../../../../_layout/nepi.resources.netns.html#nepi.resources.netns.netnsnodeinterface.NetNSNodeInterface.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="kn">from</span> <span class="nn">nepi.resources.netns.netnsnode</span> <span class="kn">import</span> <span class="n">NetNSNode</span>
108 <span class="n">node</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">NetNSNode</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
110 <span class="k">if</span> <span class="ow">not</span> <span class="n">node</span><span class="p">:</span>
111 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Route not connected to Node!!"</span>
112 <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>
113 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
115 <span class="k">return</span> <span class="n">node</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
117 <span class="nd">@property</span>
118 <div class="viewcode-block" id="NetNSNodeInterface.switch"><a class="viewcode-back" href="../../../../_layout/nepi.resources.netns.html#nepi.resources.netns.netnsnodeinterface.NetNSNodeInterface.switch">[docs]</a> <span class="k">def</span> <span class="nf">switch</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
119 <span class="kn">from</span> <span class="nn">nepi.resources.netns.netnsswitch</span> <span class="kn">import</span> <span class="n">NetNSSwitch</span>
120 <span class="n">switch</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">NetNSSwitch</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
121 <span class="k">if</span> <span class="n">switch</span><span class="p">:</span> <span class="k">return</span> <span class="n">switch</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
122 <span class="k">return</span> <span class="bp">None</span>
124 <span class="nd">@property</span>
125 <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>
126 <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">switch</span><span class="p">]</span>
128 <span class="k">def</span> <span class="nf">_instantiate_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
129 <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">invoke</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">"add_if"</span><span class="p">)</span>
130 <span class="bp">self</span><span class="o">.</span><span class="n">emulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">switch</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">"connect"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
131 <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">"up"</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">"up"</span><span class="p">))</span>
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