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66 <h1>Source code for nepi.resources.planetlab.vroute</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 <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><span class="p">,</span> <span class="n">ResourceState</span>
87 <span class="kn">from</span> <span class="nn">nepi.resources.linux.application</span> <span class="kn">import</span> <span class="n">LinuxApplication</span>
88 <span class="kn">from</span> <span class="nn">nepi.resources.planetlab.node</span> <span class="kn">import</span> <span class="n">PlanetlabNode</span>
89 <span class="kn">from</span> <span class="nn">nepi.resources.planetlab.tap</span> <span class="kn">import</span> <span class="n">PlanetlabTap</span>
90 <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>
92 <span class="kn">import</span> <span class="nn">os</span>
93 <span class="kn">import</span> <span class="nn">time</span>
95 <span class="n">PYTHON_VSYS_VERSION</span> <span class="o">=</span> <span class="s">"1.0"</span>
97 <span class="nd">@clsinit_copy</span>
98 <div class="viewcode-block" id="PlanetlabVroute"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.vroute.PlanetlabVroute">[docs]</a><span class="k">class</span> <span class="nc">PlanetlabVroute</span><span class="p">(</span><span class="n">LinuxApplication</span><span class="p">):</span>
99 <span class="n">_rtype</span> <span class="o">=</span> <span class="s">"planetlab::Vroute"</span>
100 <span class="n">_help</span> <span class="o">=</span> <span class="s">"Creates a Vroute on a PlanetLab host"</span>
101 <span class="n">_platform</span> <span class="o">=</span> <span class="s">"planetlab"</span>
103 <span class="nd">@classmethod</span>
104 <span class="k">def</span> <span class="nf">_register_attributes</span><span class="p">(</span><span class="n">cls</span><span class="p">):</span>
105 <span class="n">action</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"action"</span><span class="p">,</span> <span class="s">"Either add or del"</span><span class="p">,</span>
106 <span class="n">allowed</span> <span class="o">=</span> <span class="p">[</span><span class="s">"add"</span><span class="p">,</span> <span class="s">"del"</span><span class="p">],</span>
107 <span class="n">default</span> <span class="o">=</span> <span class="s">"add"</span><span class="p">,</span>
108 <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>
110 <span class="n">prefix</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"prefix"</span><span class="p">,</span> <span class="s">"IPv4 Prefix"</span><span class="p">,</span>
111 <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>
113 <span class="n">nexthop</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"nexthop"</span><span class="p">,</span> <span class="s">"IPv4 Address of the next hop"</span><span class="p">,</span>
114 <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>
116 <span class="n">network</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"network"</span><span class="p">,</span> <span class="s">"IPv4 Network Address"</span><span class="p">,</span>
117 <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>
119 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">action</span><span class="p">)</span>
120 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">prefix</span><span class="p">)</span>
121 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">nexthop</span><span class="p">)</span>
122 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">network</span><span class="p">)</span>
124 <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>
125 <span class="nb">super</span><span class="p">(</span><span class="n">PlanetlabVroute</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>
126 <span class="bp">self</span><span class="o">.</span><span class="n">_home</span> <span class="o">=</span> <span class="s">"vroute-</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>
128 <span class="nd">@property</span>
129 <div class="viewcode-block" id="PlanetlabVroute.tap"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.vroute.PlanetlabVroute.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>
130 <span class="n">tap</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="n">tap</span><span class="p">:</span> <span class="k">return</span> <span class="n">tap</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
132 <span class="k">return</span> <span class="bp">None</span>
134 <span class="nd">@property</span>
135 <div class="viewcode-block" id="PlanetlabVroute.node"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.vroute.PlanetlabVroute.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>
136 <span class="n">node</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tap</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>
137 <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>
138 <span class="k">return</span> <span class="bp">None</span>
140 <div class="viewcode-block" id="PlanetlabVroute.upload_sources"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.vroute.PlanetlabVroute.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="c"># upload vif-creation python script</span>
142 <span class="n">pl_vroute</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>
143 <span class="s">"scripts"</span><span class="p">,</span>
144 <span class="s">"pl-vroute.py"</span><span class="p">)</span>
146 <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">pl_vroute</span><span class="p">,</span>
147 <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="s">"pl-vroute.py"</span><span class="p">),</span>
148 <span class="n">overwrite</span> <span class="o">=</span> <span class="bp">False</span><span class="p">)</span>
150 <span class="c"># upload stop.sh script</span>
151 <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>
152 <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">stop_command</span><span class="p">,</span>
153 <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>
154 <span class="n">text</span> <span class="o">=</span> <span class="bp">True</span><span class="p">,</span>
155 <span class="c"># Overwrite file every time. </span>
156 <span class="c"># The stop.sh has the path to the socket, wich should change</span>
157 <span class="c"># on every experiment run.</span>
158 <span class="n">overwrite</span> <span class="o">=</span> <span class="bp">True</span><span class="p">)</span>
160 <div class="viewcode-block" id="PlanetlabVroute.upload_start_command"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.vroute.PlanetlabVroute.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>
161 <span class="c"># Overwrite file every time. </span>
162 <span class="c"># The stop.sh has the path to the socket, wich should change</span>
163 <span class="c"># on every experiment run.</span>
164 <span class="n">command</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">"command"</span><span class="p">)</span>
165 <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">"start.sh"</span><span class="p">)</span>
166 <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">run_and_wait</span><span class="p">(</span><span class="n">command</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">run_home</span><span class="p">,</span>
167 <span class="n">shfile</span><span class="o">=</span><span class="n">shfile</span><span class="p">,</span>
168 <span class="n">overwrite</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span>
170 <div class="viewcode-block" id="PlanetlabVroute.do_deploy"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.vroute.PlanetlabVroute.do_deploy">[docs]</a> <span class="k">def</span> <span class="nf">do_deploy</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
171 <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="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">tap</span><span class="o">.</span><span class="n">state</span> <span class="o"><</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">PROVISIONED</span><span class="p">:</span>
172 <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">schedule</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">reschedule_delay</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">deploy</span><span class="p">)</span>
173 <span class="k">else</span><span class="p">:</span>
174 <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"command"</span><span class="p">):</span>
175 <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">"command"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_start_command</span><span class="p">)</span>
177 <span class="bp">self</span><span class="o">.</span><span class="n">do_discover</span><span class="p">()</span>
178 <span class="bp">self</span><span class="o">.</span><span class="n">do_provision</span><span class="p">()</span>
180 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">"----- READY ---- "</span><span class="p">)</span>
181 <span class="bp">self</span><span class="o">.</span><span class="n">set_ready</span><span class="p">()</span>
183 <div class="viewcode-block" id="PlanetlabVroute.do_start"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.vroute.PlanetlabVroute.do_start">[docs]</a> <span class="k">def</span> <span class="nf">do_start</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
184 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">state</span> <span class="o">==</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">READY</span><span class="p">:</span>
185 <span class="n">command</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">"command"</span><span class="p">)</span>
186 <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">"Starting command '</span><span class="si">%s</span><span class="s">'"</span> <span class="o">%</span> <span class="n">command</span><span class="p">)</span>
188 <span class="c"># Vroute started during deployment</span>
189 <span class="bp">self</span><span class="o">.</span><span class="n">set_started</span><span class="p">()</span>
190 <span class="k">else</span><span class="p">:</span>
191 <span class="n">msg</span> <span class="o">=</span> <span class="s">" Failed to execute command '</span><span class="si">%s</span><span class="s">'"</span> <span class="o">%</span> <span class="n">command</span>
192 <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>
193 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
195 <div class="viewcode-block" id="PlanetlabVroute.do_stop"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.vroute.PlanetlabVroute.do_stop">[docs]</a> <span class="k">def</span> <span class="nf">do_stop</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
197 <span class="n">command</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">'command'</span><span class="p">)</span> <span class="ow">or</span> <span class="s">''</span>
199 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">state</span> <span class="o">==</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">STARTED</span><span class="p">:</span>
200 <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">"Stopping command '</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">_stop_command</span><span class="p">)</span>
202 <span class="n">command</span> <span class="o">=</span> <span class="s">"bash </span><span class="si">%s</span><span class="s">"</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>
203 <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">execute_command</span><span class="p">(</span><span class="n">command</span><span class="p">,</span>
204 <span class="n">blocking</span> <span class="o">=</span> <span class="bp">True</span><span class="p">)</span>
206 <span class="bp">self</span><span class="o">.</span><span class="n">set_stopped</span><span class="p">()</span>
208 <div class="viewcode-block" id="PlanetlabVroute.do_release"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.vroute.PlanetlabVroute.do_release">[docs]</a> <span class="k">def</span> <span class="nf">do_release</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
209 <span class="c"># Node needs to wait until all associated RMs are released</span>
210 <span class="c"># to be released</span>
211 <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"tearDown"</span><span class="p">):</span>
212 <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">"tearDown"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_tear_down_command</span><span class="p">())</span>
214 <span class="nb">super</span><span class="p">(</span><span class="n">PlanetlabVroute</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">do_release</span><span class="p">()</span>
216 <span class="k">def</span> <span class="nf">_tear_down_command</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
217 <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">"action"</span><span class="p">)</span> <span class="o">==</span> <span class="s">"del"</span><span class="p">:</span>
218 <span class="k">return</span>
220 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_stop_command</span>
222 <span class="nd">@property</span>
223 <span class="k">def</span> <span class="nf">_start_command</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
224 <span class="n">command</span> <span class="o">=</span> <span class="p">[</span><span class="s">"sudo -S python ${SRC}/pl-vroute.py"</span><span class="p">]</span>
225 <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">"action"</span><span class="p">))</span>
226 <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">"network"</span><span class="p">))</span>
227 <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">"prefix"</span><span class="p">))</span>
228 <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">tap</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"pointopoint"</span><span class="p">))</span>
229 <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">tap</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"deviceName"</span><span class="p">))</span>
230 <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>
232 <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>
233 <span class="k">return</span> <span class="n">command</span>
235 <span class="nd">@property</span>
236 <span class="k">def</span> <span class="nf">_stop_command</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
237 <span class="n">command</span> <span class="o">=</span> <span class="p">[</span><span class="s">"sudo -S python ${SRC}/pl-vroute.py"</span><span class="p">]</span>
238 <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="s">"del"</span><span class="p">)</span>
239 <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">"network"</span><span class="p">))</span>
240 <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">"prefix"</span><span class="p">))</span>
241 <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">"nexthop"</span><span class="p">))</span>
242 <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">tap</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"deviceName"</span><span class="p">))</span>
243 <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>
245 <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>
246 <span class="k">return</span> <span class="n">command</span>
248 <div class="viewcode-block" id="PlanetlabVroute.valid_connection"><a class="viewcode-back" href="../../../../_layout/nepi.resources.planetlab.html#nepi.resources.planetlab.vroute.PlanetlabVroute.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>
249 <span class="c"># TODO: Validate!</span>
250 <span class="k">return</span> <span class="bp">True</span>
251 </pre></div></div></div>
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