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66 <h1>Source code for nepi.resources.planetlab.ns3.tuntapfdlink</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.resource</span> <span class="kn">import</span> <span class="n">ResourceState</span><span class="p">,</span> <span class="n">clsinit_copy</span>
86 <span class="kn">from</span> <span class="nn">nepi.resources.linux.ns3.tuntapfdlink</span> <span class="kn">import</span> <span class="n">LinuxTunTapFdLink</span>
88 <span class="kn">import</span> <span class="nn">base64</span>
89 <span class="kn">import</span> <span class="nn">fcntl</span>
90 <span class="kn">import</span> <span class="nn">os</span>
91 <span class="kn">import</span> <span class="nn">socket</span>
92 <span class="kn">import</span> <span class="nn">struct</span>
94 <span class="nd">@clsinit_copy</span>
95 <div class="viewcode-block" id="PlanetlabTunTapFdLink"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.ns3.html#nepi.resources.planetlab.ns3.tuntapfdlink.PlanetlabTunTapFdLink">[docs]</a><span class="k">class</span> <span class="nc">PlanetlabTunTapFdLink</span><span class="p">(</span><span class="n">LinuxTunTapFdLink</span><span class="p">):</span>
96 <span class="sd">""" Interconnects a TAP or TUN PlanetLab device to a FdNetDevice</span>
97 <span class="sd"> """</span>
98 <span class="n">_rtype</span> <span class="o">=</span> <span class="s">"planetlab::ns3::TunTapFdLink"</span>
100 <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">ec</span><span class="p">,</span> <span class="n">guid</span><span class="p">):</span>
101 <span class="nb">super</span><span class="p">(</span><span class="n">PlanetlabTunTapFdLink</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><span class="n">ec</span><span class="p">,</span> <span class="n">guid</span><span class="p">)</span>
103 <span class="nd">@property</span>
104 <div class="viewcode-block" id="PlanetlabTunTapFdLink.fdnetdevice"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.ns3.html#nepi.resources.planetlab.ns3.tuntapfdlink.PlanetlabTunTapFdLink.fdnetdevice">[docs]</a> <span class="k">def</span> <span class="nf">fdnetdevice</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
105 <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fdnetdevice</span><span class="p">:</span>
106 <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3fdnetdevice</span> <span class="kn">import</span> <span class="n">NS3BaseFdNetDevice</span>
107 <span class="n">devices</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">NS3BaseFdNetDevice</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
108 <span class="k">if</span> <span class="ow">not</span> <span class="n">devices</span> <span class="ow">or</span> <span class="nb">len</span><span class="p">(</span><span class="n">devices</span><span class="p">)</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span>
109 <span class="n">msg</span> <span class="o">=</span> <span class="s">"planetlab::ns3::TunTapFdLink must be connected to exactly one FdNetDevice"</span>
110 <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>
111 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
113 <span class="bp">self</span><span class="o">.</span><span class="n">_fdnetdevice</span> <span class="o">=</span> <span class="n">devices</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
115 <span class="c"># Set PI headers on</span>
116 <span class="bp">self</span><span class="o">.</span><span class="n">_fdnetdevice</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">"EncapsulationMode"</span><span class="p">,</span> <span class="s">"DixPi"</span><span class="p">)</span>
118 <span class="n">simu</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fdnetdevice</span><span class="o">.</span><span class="n">simulation</span>
119 <span class="kn">from</span> <span class="nn">nepi.resources.planetlab.node</span> <span class="kn">import</span> <span class="n">PlanetlabNode</span>
120 <span class="n">nodes</span> <span class="o">=</span> <span class="n">simu</span><span class="o">.</span><span class="n">get_connected</span><span class="p">(</span><span class="n">PlanetlabNode</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
121 <span class="bp">self</span><span class="o">.</span><span class="n">_fd_node</span> <span class="o">=</span> <span class="n">nodes</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
123 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fdnetdevice</span>
125 <span class="nd">@property</span>
126 <div class="viewcode-block" id="PlanetlabTunTapFdLink.tap"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.ns3.html#nepi.resources.planetlab.ns3.tuntapfdlink.PlanetlabTunTapFdLink.tap">[docs]</a> <span class="k">def</span> <span class="nf">tap</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
127 <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_tap</span><span class="p">:</span>
128 <span class="kn">from</span> <span class="nn">nepi.resources.planetlab.tap</span> <span class="kn">import</span> <span class="n">PlanetlabTap</span>
129 <span class="n">devices</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">PlanetlabTap</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
131 <span class="k">if</span> <span class="ow">not</span> <span class="n">devices</span> <span class="ow">or</span> <span class="nb">len</span><span class="p">(</span><span class="n">devices</span><span class="p">)</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span>
132 <span class="n">msg</span> <span class="o">=</span> <span class="s">"planetlab::ns3::TunTapFdLink must be connected to exactly one PlanetlabTap"</span>
133 <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>
134 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
136 <span class="bp">self</span><span class="o">.</span><span class="n">_tap</span> <span class="o">=</span> <span class="n">devices</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
138 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_tap</span>
140 <div class="viewcode-block" id="PlanetlabTunTapFdLink.upload_sources"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.planetlab.ns3.html#nepi.resources.planetlab.ns3.tuntapfdlink.PlanetlabTunTapFdLink.upload_sources">[docs]</a> <span class="k">def</span> <span class="nf">upload_sources</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
141 <span class="n">scripts</span> <span class="o">=</span> <span class="p">[]</span>
143 <span class="c"># vif-passfd python script</span>
144 <span class="n">pl_vif_passfd</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">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">dirname</span><span class="p">(</span><span class="n">__file__</span><span class="p">),</span>
145 <span class="s">".."</span><span class="p">,</span> <span class="s">".."</span><span class="p">,</span>
146 <span class="s">"linux"</span><span class="p">,</span>
147 <span class="s">"scripts"</span><span class="p">,</span>
148 <span class="s">"linux-tap-passfd.py"</span><span class="p">)</span>
150 <span class="n">scripts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">pl_vif_passfd</span><span class="p">)</span>
152 <span class="c"># Upload scripts</span>
153 <span class="n">scripts</span> <span class="o">=</span> <span class="s">";"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">scripts</span><span class="p">)</span>
155 <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">upload</span><span class="p">(</span><span class="n">scripts</span><span class="p">,</span>
156 <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="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">src_dir</span><span class="p">),</span>
157 <span class="n">overwrite</span> <span class="o">=</span> <span class="bp">False</span><span class="p">)</span>
158 </pre></div></div></div>
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