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+ <h1>Source code for nepi.resources.planetlab.tap</h1><div class="highlight"><pre>
+<span class="c">#</span>
+<span class="c"># NEPI, a framework to manage network experiments</span>
+<span class="c"># Copyright (C) 2013 INRIA</span>
+<span class="c">#</span>
+<span class="c"># This program is free software: you can redistribute it and/or modify</span>
+<span class="c"># it under the terms of the GNU General Public License version 2 as</span>
+<span class="c"># published by the Free Software Foundation;</span>
+<span class="c">#</span>
+<span class="c"># This program is distributed in the hope that it will be useful,</span>
+<span class="c"># but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
+<span class="c"># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
+<span class="c"># GNU General Public License for more details.</span>
+<span class="c">#</span>
+<span class="c"># You should have received a copy of the GNU General Public License</span>
+<span class="c"># along with this program. If not, see <http://www.gnu.org/licenses/>.</span>
+<span class="c">#</span>
+<span class="c"># Author: Alina Quereilhac <alina.quereilhac@inria.fr></span>
+
+<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>
+<span class="kn">from</span> <span class="nn">nepi.execution.resource</span> <span class="kn">import</span> <span class="n">clsinit_copy</span><span class="p">,</span> <span class="n">ResourceState</span>
+<span class="kn">from</span> <span class="nn">nepi.resources.linux.tap</span> <span class="kn">import</span> <span class="n">LinuxTap</span>
+<span class="kn">from</span> <span class="nn">nepi.resources.planetlab.node</span> <span class="kn">import</span> <span class="n">PlanetlabNode</span>
+<span class="kn">from</span> <span class="nn">nepi.util.timefuncs</span> <span class="kn">import</span> <span class="n">tnow</span><span class="p">,</span> <span class="n">tdiffsec</span>
+
+<span class="kn">import</span> <span class="nn">os</span>
+<span class="kn">import</span> <span class="nn">time</span>
+
+<span class="n">PYTHON_VSYS_VERSION</span> <span class="o">=</span> <span class="s">"1.0"</span>
+
+<span class="nd">@clsinit_copy</span>
+<div class="viewcode-block" id="PlanetlabTap"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.tap.PlanetlabTap">[docs]</a><span class="k">class</span> <span class="nc">PlanetlabTap</span><span class="p">(</span><span class="n">LinuxTap</span><span class="p">):</span>
+ <span class="n">_rtype</span> <span class="o">=</span> <span class="s">"planetlab::Tap"</span>
+ <span class="n">_help</span> <span class="o">=</span> <span class="s">"Creates a TAP device on a PlanetLab host"</span>
+ <span class="n">_platform</span> <span class="o">=</span> <span class="s">"planetlab"</span>
+
+ <span class="nd">@classmethod</span>
+ <span class="k">def</span> <span class="nf">_register_attributes</span><span class="p">(</span><span class="n">cls</span><span class="p">):</span>
+ <span class="n">snat</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"snat"</span><span class="p">,</span> <span class="s">"Set SNAT=1"</span><span class="p">,</span>
+ <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>
+ <span class="n">flags</span> <span class="o">=</span> <span class="n">Flags</span><span class="o">.</span><span class="n">Design</span><span class="p">)</span>
+
+ <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">snat</span><span class="p">)</span>
+
+ <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>
+ <span class="nb">super</span><span class="p">(</span><span class="n">PlanetlabTap</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>
+ <span class="bp">self</span><span class="o">.</span><span class="n">_home</span> <span class="o">=</span> <span class="s">"tap-</span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">guid</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">_gre_enabled</span> <span class="o">=</span> <span class="bp">False</span>
+
+ <span class="nd">@property</span>
+<div class="viewcode-block" id="PlanetlabTap.node"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.tap.PlanetlabTap.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>
+ <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">PlanetlabNode</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
+ <span class="k">if</span> <span class="n">node</span><span class="p">:</span> <span class="k">return</span> <span class="n">node</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+ <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="s">"TAP/TUN devices must be connected to Node"</span>
+</div>
+<div class="viewcode-block" id="PlanetlabTap.upload_sources"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.tap.PlanetlabTap.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>
+ <span class="n">scripts</span> <span class="o">=</span> <span class="p">[]</span>
+
+ <span class="c"># vif-creation python script</span>
+ <span class="n">pl_vif_create</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> <span class="s">"scripts"</span><span class="p">,</span>
+ <span class="s">"pl-vif-create.py"</span><span class="p">)</span>
+
+ <span class="n">scripts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">pl_vif_create</span><span class="p">)</span>
+
+ <span class="c"># vif-up python script</span>
+ <span class="n">pl_vif_up</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> <span class="s">"scripts"</span><span class="p">,</span>
+ <span class="s">"pl-vif-up.py"</span><span class="p">)</span>
+
+ <span class="n">scripts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">pl_vif_up</span><span class="p">)</span>
+
+ <span class="c"># vif-down python script</span>
+ <span class="n">pl_vif_down</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> <span class="s">"scripts"</span><span class="p">,</span>
+ <span class="s">"pl-vif-down.py"</span><span class="p">)</span>
+
+ <span class="n">scripts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">pl_vif_down</span><span class="p">)</span>
+
+ <span class="c"># udp-connect python script</span>
+ <span class="n">udp_connect</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>
+ <span class="s">".."</span><span class="p">,</span>
+ <span class="s">"linux"</span><span class="p">,</span>
+ <span class="s">"scripts"</span><span class="p">,</span>
+ <span class="s">"linux-udp-connect.py"</span><span class="p">)</span>
+
+ <span class="n">scripts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">udp_connect</span><span class="p">)</span>
+
+ <span class="c"># tunnel creation python script</span>
+ <span class="n">tunchannel</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>
+ <span class="s">".."</span><span class="p">,</span>
+ <span class="s">"linux"</span><span class="p">,</span>
+ <span class="s">"scripts"</span><span class="p">,</span>
+ <span class="s">"tunchannel.py"</span><span class="p">)</span>
+
+ <span class="n">scripts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">tunchannel</span><span class="p">)</span>
+
+ <span class="c"># Upload scripts</span>
+ <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>
+
+ <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>
+ <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>
+ <span class="n">overwrite</span> <span class="o">=</span> <span class="bp">False</span><span class="p">)</span>
+
+ <span class="c"># upload stop.sh script</span>
+ <span class="n">stop_command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">replace_paths</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_stop_command</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">upload_command</span><span class="p">(</span><span class="n">stop_command</span><span class="p">,</span>
+ <span class="n">shfile</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="bp">self</span><span class="o">.</span><span class="n">app_home</span><span class="p">,</span> <span class="s">"stop.sh"</span><span class="p">),</span>
+ <span class="c"># Overwrite file every time. </span>
+ <span class="c"># The stop.sh has the path to the socket, which should change</span>
+ <span class="c"># on every experiment run.</span>
+ <span class="n">overwrite</span> <span class="o">=</span> <span class="bp">True</span><span class="p">)</span>
+</div>
+<div class="viewcode-block" id="PlanetlabTap.upload_start_command"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.tap.PlanetlabTap.upload_start_command">[docs]</a> <span class="k">def</span> <span class="nf">upload_start_command</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="nb">super</span><span class="p">(</span><span class="n">PlanetlabTap</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">upload_start_command</span><span class="p">()</span>
+
+ <span class="c"># Planetlab TAPs always add a PI header</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">"pi"</span><span class="p">,</span> <span class="bp">True</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">gre_enabled</span><span class="p">:</span>
+ <span class="c"># After creating the TAP, the pl-vif-create.py script</span>
+ <span class="c"># will write the name of the TAP to a file. We wait until</span>
+ <span class="c"># we can read the interface name from the file.</span>
+ <span class="n">vif_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">wait_vif_name</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">"deviceName"</span><span class="p">,</span> <span class="n">vif_name</span><span class="p">)</span>
+</div>
+<div class="viewcode-block" id="PlanetlabTap.wait_vif_name"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.tap.PlanetlabTap.wait_vif_name">[docs]</a> <span class="k">def</span> <span class="nf">wait_vif_name</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">exec_run_home</span> <span class="o">=</span> <span class="bp">None</span><span class="p">):</span>
+ <span class="sd">""" Waits until the vif_name file for the command is generated, </span>
+<span class="sd"> and returns the vif_name for the device """</span>
+ <span class="n">vif_name</span> <span class="o">=</span> <span class="bp">None</span>
+ <span class="n">delay</span> <span class="o">=</span> <span class="mf">0.5</span>
+
+ <span class="c"># The vif_name file will be created in the tap-home, while the</span>
+ <span class="c"># current execution home might be elsewhere to check for errors</span>
+ <span class="c"># (e.g. could be a tunnel-home)</span>
+ <span class="k">if</span> <span class="ow">not</span> <span class="n">exec_run_home</span><span class="p">:</span>
+ <span class="n">exec_run_home</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">run_home</span>
+
+ <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="mi">20</span><span class="p">):</span>
+ <span class="p">(</span><span class="n">out</span><span class="p">,</span> <span class="n">err</span><span class="p">),</span> <span class="n">proc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">check_output</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">run_home</span><span class="p">,</span> <span class="s">"vif_name"</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="n">proc</span><span class="o">.</span><span class="n">poll</span><span class="p">()</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
+ <span class="p">(</span><span class="n">out</span><span class="p">,</span> <span class="n">err</span><span class="p">),</span> <span class="n">proc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">check_errors</span><span class="p">(</span><span class="n">exec_run_home</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="n">err</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span>
+ <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">err</span>
+
+ <span class="k">if</span> <span class="n">out</span><span class="p">:</span>
+ <span class="n">vif_name</span> <span class="o">=</span> <span class="n">out</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>
+ <span class="k">break</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="n">delay</span><span class="p">)</span>
+ <span class="n">delay</span> <span class="o">=</span> <span class="n">delay</span> <span class="o">*</span> <span class="mf">1.5</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">msg</span> <span class="o">=</span> <span class="s">"Couldn't retrieve vif_name"</span>
+ <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> <span class="n">out</span><span class="p">,</span> <span class="n">err</span><span class="p">)</span>
+ <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
+
+ <span class="k">return</span> <span class="n">vif_name</span>
+</div>
+<div class="viewcode-block" id="PlanetlabTap.gre_connect"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.tap.PlanetlabTap.gre_connect">[docs]</a> <span class="k">def</span> <span class="nf">gre_connect</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">remote_endpoint</span><span class="p">,</span> <span class="n">connection_app_home</span><span class="p">,</span>
+ <span class="n">connection_run_home</span><span class="p">):</span>
+ <span class="nb">super</span><span class="p">(</span><span class="n">PlanetlabTap</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">gre_connect</span><span class="p">(</span><span class="n">remote_endpoint</span><span class="p">,</span>
+ <span class="n">connection_app_home</span><span class="p">,</span> <span class="n">connection_run_home</span><span class="p">)</span>
+ <span class="c"># After creating the TAP, the pl-vif-create.py script</span>
+ <span class="c"># will write the name of the TAP to a file. We wait until</span>
+ <span class="c"># we can read the interface name from the file.</span>
+ <span class="n">vif_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">wait_vif_name</span><span class="p">(</span><span class="n">exec_run_home</span> <span class="o">=</span> <span class="n">connection_run_home</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">"deviceName"</span><span class="p">,</span> <span class="n">vif_name</span><span class="p">)</span>
+
+ <span class="k">return</span> <span class="bp">True</span>
+</div>
+ <span class="k">def</span> <span class="nf">_gre_connect_command</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">remote_endpoint</span><span class="p">,</span> <span class="n">connection_app_home</span><span class="p">,</span>
+ <span class="n">connection_run_home</span><span class="p">):</span>
+ <span class="c"># Set the remote endpoint, (private) IP of the device</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">"pointopoint"</span><span class="p">,</span> <span class="n">remote_endpoint</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"ip"</span><span class="p">))</span>
+ <span class="c"># Public IP of the node</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">"greRemote"</span><span class="p">,</span> <span class="n">remote_endpoint</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"ip"</span><span class="p">))</span>
+
+ <span class="c"># Generate GRE connect command</span>
+
+ <span class="c"># Use vif_down command to first kill existing TAP in GRE mode</span>
+ <span class="n">vif_down_command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_vif_down_command</span>
+
+ <span class="c"># Use pl-vif-up.py script to configure TAP with peer info</span>
+ <span class="n">vif_up_command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_vif_up_command</span>
+
+ <span class="n">command</span> <span class="o">=</span> <span class="p">[</span><span class="s">"("</span><span class="p">]</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">vif_down_command</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">") ; ("</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">vif_up_command</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">")"</span><span class="p">)</span>
+
+ <span class="n">command</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">command</span><span class="p">)</span>
+ <span class="n">command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">replace_paths</span><span class="p">(</span><span class="n">command</span><span class="p">)</span>
+
+ <span class="k">return</span> <span class="n">command</span>
+
+ <span class="nd">@property</span>
+ <span class="k">def</span> <span class="nf">_start_command</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">gre_enabled</span><span class="p">:</span>
+ <span class="n">command</span> <span class="o">=</span> <span class="p">[]</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">command</span> <span class="o">=</span> <span class="p">[</span><span class="s">"sudo -S python ${SRC}/pl-vif-create.py"</span><span class="p">]</span>
+
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-t </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">vif_type</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-a </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"ip"</span><span class="p">))</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-n </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"prefix"</span><span class="p">))</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-f </span><span class="si">%s</span><span class="s"> "</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">vif_name_file</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-S </span><span class="si">%s</span><span class="s"> "</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">sock_name</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"snat"</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-s"</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"pointopoint"</span><span class="p">):</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-p </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"pointopoint"</span><span class="p">))</span>
+
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"txqueuelen"</span><span class="p">):</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-q </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"txqueuelen"</span><span class="p">))</span>
+
+ <span class="k">return</span> <span class="s">" "</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">command</span><span class="p">)</span>
+
+ <span class="nd">@property</span>
+ <span class="k">def</span> <span class="nf">_stop_command</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">gre_enabled</span><span class="p">:</span>
+ <span class="n">command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_vif_down_command</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">command</span> <span class="o">=</span> <span class="p">[</span><span class="s">"sudo -S "</span><span class="p">]</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"PYTHONPATH=$PYTHONPATH:${SRC}"</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"python ${SRC}/pl-vif-down.py"</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-S </span><span class="si">%s</span><span class="s"> "</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">sock_name</span><span class="p">)</span>
+ <span class="n">command</span> <span class="o">=</span> <span class="s">" "</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">command</span><span class="p">)</span>
+
+ <span class="k">return</span> <span class="n">command</span>
+
+ <span class="nd">@property</span>
+ <span class="k">def</span> <span class="nf">_vif_up_command</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">gre_enabled</span><span class="p">:</span>
+ <span class="n">device_name</span> <span class="o">=</span> <span class="s">"</span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">guid</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">device_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"deviceName"</span><span class="p">)</span>
+
+ <span class="c"># Use pl-vif-up.py script to configure TAP</span>
+ <span class="n">command</span> <span class="o">=</span> <span class="p">[</span><span class="s">"sudo -S "</span><span class="p">]</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"PYTHONPATH=$PYTHONPATH:${SRC}"</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"python ${SRC}/pl-vif-up.py"</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-u </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"username"</span><span class="p">))</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-N </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="n">device_name</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-t </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">vif_type</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-a </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"ip"</span><span class="p">))</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-n </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"prefix"</span><span class="p">))</span>
+
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"snat"</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-s"</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"pointopoint"</span><span class="p">):</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-p </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"pointopoint"</span><span class="p">))</span>
+
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"txqueuelen"</span><span class="p">):</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-q </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"txqueuelen"</span><span class="p">))</span>
+
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">gre_enabled</span><span class="p">:</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-g </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"greKey"</span><span class="p">))</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-G </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"greRemote"</span><span class="p">))</span>
+
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-f </span><span class="si">%s</span><span class="s"> "</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">vif_name_file</span><span class="p">)</span>
+
+ <span class="k">return</span> <span class="s">" "</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">command</span><span class="p">)</span>
+
+ <span class="nd">@property</span>
+ <span class="k">def</span> <span class="nf">_vif_down_command</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">gre_enabled</span><span class="p">:</span>
+ <span class="n">device_name</span> <span class="o">=</span> <span class="s">"</span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">guid</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">device_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"deviceName"</span><span class="p">)</span>
+
+ <span class="n">command</span> <span class="o">=</span> <span class="p">[</span><span class="s">"sudo -S "</span><span class="p">]</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"PYTHONPATH=$PYTHONPATH:${SRC}"</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"python ${SRC}/pl-vif-down.py"</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-N </span><span class="si">%s</span><span class="s"> "</span> <span class="o">%</span> <span class="n">device_name</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">gre_enabled</span><span class="p">:</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-u </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"username"</span><span class="p">))</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-t </span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">vif_type</span><span class="p">)</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-D"</span><span class="p">)</span>
+
+ <span class="k">return</span> <span class="s">" "</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">command</span><span class="p">)</span>
+
+ <span class="nd">@property</span>
+<div class="viewcode-block" id="PlanetlabTap.vif_name_file"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.tap.PlanetlabTap.vif_name_file">[docs]</a> <span class="k">def</span> <span class="nf">vif_name_file</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="k">return</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="bp">self</span><span class="o">.</span><span class="n">run_home</span><span class="p">,</span> <span class="s">"vif_name"</span><span class="p">)</span>
+</div>
+ <span class="nd">@property</span>
+ <span class="k">def</span> <span class="nf">_install</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="c"># Install python-vsys and python-passfd</span>
+ <span class="n">install_vsys</span> <span class="o">=</span> <span class="p">(</span> <span class="s">" ( "</span>
+ <span class="s">" python -c 'import vsys, os; vsys.__version__ == </span><span class="se">\"</span><span class="si">%(version)s</span><span class="se">\"</span><span class="s"> or os._exit(1)' "</span>
+ <span class="s">" ) "</span>
+ <span class="s">" || "</span>
+ <span class="s">" ( "</span>
+ <span class="s">" cd ${SRC} ; "</span>
+ <span class="s">" hg clone http://nepi.inria.fr/code/python-vsys ; "</span>
+ <span class="s">" cd python-vsys ; "</span>
+ <span class="s">" make all ; "</span>
+ <span class="s">" sudo -S make install "</span>
+ <span class="s">" )"</span> <span class="p">)</span> <span class="o">%</span> <span class="p">({</span>
+ <span class="s">"version"</span><span class="p">:</span> <span class="n">PYTHON_VSYS_VERSION</span>
+ <span class="p">})</span>
+
+ <span class="n">install_passfd</span> <span class="o">=</span> <span class="p">(</span> <span class="s">" ( python -c 'import passfd' ) "</span>
+ <span class="s">" || "</span>
+ <span class="s">" ( "</span>
+ <span class="s">" cd ${SRC} ; "</span>
+ <span class="s">" hg clone http://nepi.inria.fr/code/python-passfd ; "</span>
+ <span class="s">" cd python-passfd ; "</span>
+ <span class="s">" make all ; "</span>
+ <span class="s">" sudo -S make install "</span>
+ <span class="s">" )"</span> <span class="p">)</span>
+
+ <span class="k">return</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="o">%</span> <span class="p">(</span> <span class="n">install_vsys</span><span class="p">,</span> <span class="n">install_passfd</span> <span class="p">)</span>
+
+<div class="viewcode-block" id="PlanetlabTap.valid_connection"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.tap.PlanetlabTap.valid_connection">[docs]</a> <span class="k">def</span> <span class="nf">valid_connection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">guid</span><span class="p">):</span>
+ <span class="c"># TODO: Validate!</span>
+ <span class="k">return</span> <span class="bp">True</span>
+</pre></div></div></div>
+
+ </div>
+ </div>
+ </div>
+ <div class="clearer"></div>
+ </div>
+ <div class="related">
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+ © Copyright 2014, Alina Quereilhac, Lucia Guevgeozian Odizzio, Julien Tribino.
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+ </body>
+</html>
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