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+ <h1>Source code for nepi.resources.linux.ccn.fibentry</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.trace</span> <span class="kn">import</span> <span class="n">Trace</span><span class="p">,</span> <span class="n">TraceAttr</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="p">,</span> \
+ <span class="n">ResourceAction</span>
+<span class="kn">from</span> <span class="nn">nepi.resources.linux.application</span> <span class="kn">import</span> <span class="n">LinuxApplication</span>
+<span class="kn">from</span> <span class="nn">nepi.resources.linux.ccn.ccnd</span> <span class="kn">import</span> <span class="n">LinuxCCND</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="kn">import</span> <span class="nn">os</span>
+<span class="kn">import</span> <span class="nn">socket</span>
+<span class="kn">import</span> <span class="nn">time</span>
+
+
+<span class="c"># TODO: Add rest of options for ccndc!!!</span>
+<span class="c"># Implement ENTRY DELETE!!</span>
+
+<span class="nd">@clsinit_copy</span>
+<div class="viewcode-block" id="LinuxFIBEntry"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.fibentry.LinuxFIBEntry">[docs]</a><span class="k">class</span> <span class="nc">LinuxFIBEntry</span><span class="p">(</span><span class="n">LinuxApplication</span><span class="p">):</span>
+ <span class="n">_rtype</span> <span class="o">=</span> <span class="s">"linux::FIBEntry"</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">uri</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"uri"</span><span class="p">,</span>
+ <span class="s">"URI prefix to match and route for this FIB entry"</span><span class="p">,</span>
+ <span class="n">default</span> <span class="o">=</span> <span class="s">"ccnx:/"</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">protocol</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"protocol"</span><span class="p">,</span>
+ <span class="s">"Transport protocol used in network connection to peer "</span>
+ <span class="s">"for this FIB entry. One of 'udp' or 'tcp'."</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">Enumerate</span><span class="p">,</span>
+ <span class="n">default</span> <span class="o">=</span> <span class="s">"udp"</span><span class="p">,</span>
+ <span class="n">allowed</span> <span class="o">=</span> <span class="p">[</span><span class="s">"udp"</span><span class="p">,</span> <span class="s">"tcp"</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">host</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"host"</span><span class="p">,</span>
+ <span class="s">"Peer hostname used in network connection for this FIB entry. "</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">port</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"port"</span><span class="p">,</span>
+ <span class="s">"Peer port address used in network connection to peer "</span>
+ <span class="s">"for this FIB entry."</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">ip</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"ip"</span><span class="p">,</span>
+ <span class="s">"Peer host public IP used in network connection for this FIB entry. "</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">uri</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">protocol</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">host</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">port</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">ip</span><span class="p">)</span>
+
+ <span class="nd">@classmethod</span>
+ <span class="k">def</span> <span class="nf">_register_traces</span><span class="p">(</span><span class="n">cls</span><span class="p">):</span>
+ <span class="n">ping</span> <span class="o">=</span> <span class="n">Trace</span><span class="p">(</span><span class="s">"ping"</span><span class="p">,</span> <span class="s">"Ping to the peer end"</span><span class="p">)</span>
+ <span class="n">mtr</span> <span class="o">=</span> <span class="n">Trace</span><span class="p">(</span><span class="s">"mtr"</span><span class="p">,</span> <span class="s">"Mtr to the peer end"</span><span class="p">)</span>
+ <span class="n">traceroute</span> <span class="o">=</span> <span class="n">Trace</span><span class="p">(</span><span class="s">"traceroute"</span><span class="p">,</span> <span class="s">"Tracerout to the peer end"</span><span class="p">)</span>
+
+ <span class="n">cls</span><span class="o">.</span><span class="n">_register_trace</span><span class="p">(</span><span class="n">ping</span><span class="p">)</span>
+ <span class="n">cls</span><span class="o">.</span><span class="n">_register_trace</span><span class="p">(</span><span class="n">mtr</span><span class="p">)</span>
+ <span class="n">cls</span><span class="o">.</span><span class="n">_register_trace</span><span class="p">(</span><span class="n">traceroute</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">LinuxFIBEntry</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">"fib-</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">_ping</span> <span class="o">=</span> <span class="bp">None</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">_traceroute</span> <span class="o">=</span> <span class="bp">None</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">_ccnd</span> <span class="o">=</span> <span class="bp">None</span>
+
+ <span class="nd">@property</span>
+<div class="viewcode-block" id="LinuxFIBEntry.ccnd"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.fibentry.LinuxFIBEntry.ccnd">[docs]</a> <span class="k">def</span> <span class="nf">ccnd</span><span class="p">(</span><span class="bp">self</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">_ccnd</span><span class="p">:</span>
+ <span class="n">ccnd</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">LinuxCCND</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
+ <span class="k">if</span> <span class="n">ccnd</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">_ccnd</span> <span class="o">=</span> <span class="n">ccnd</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+
+ <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ccnd</span>
+</div>
+ <span class="nd">@property</span>
+<div class="viewcode-block" id="LinuxFIBEntry.ping"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.fibentry.LinuxFIBEntry.ping">[docs]</a> <span class="k">def</span> <span class="nf">ping</span><span class="p">(</span><span class="bp">self</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">_ping</span><span class="p">:</span>
+ <span class="kn">from</span> <span class="nn">nepi.resources.linux.ping</span> <span class="kn">import</span> <span class="n">LinuxPing</span>
+ <span class="n">ping</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">LinuxPing</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
+ <span class="k">if</span> <span class="n">ping</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">_ping</span> <span class="o">=</span> <span class="n">ping</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+
+ <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ping</span>
+</div>
+ <span class="nd">@property</span>
+<div class="viewcode-block" id="LinuxFIBEntry.traceroute"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.fibentry.LinuxFIBEntry.traceroute">[docs]</a> <span class="k">def</span> <span class="nf">traceroute</span><span class="p">(</span><span class="bp">self</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">_traceroute</span><span class="p">:</span>
+ <span class="kn">from</span> <span class="nn">nepi.resources.linux.traceroute</span> <span class="kn">import</span> <span class="n">LinuxTraceroute</span>
+ <span class="n">traceroute</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">LinuxTraceroute</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
+ <span class="k">if</span> <span class="n">traceroute</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">_traceroute</span> <span class="o">=</span> <span class="n">traceroute</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+
+ <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_traceroute</span>
+</div>
+ <span class="nd">@property</span>
+<div class="viewcode-block" id="LinuxFIBEntry.node"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.fibentry.LinuxFIBEntry.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="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ccnd</span><span class="p">:</span> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">ccnd</span><span class="o">.</span><span class="n">node</span>
+ <span class="k">return</span> <span class="bp">None</span>
+</div>
+<div class="viewcode-block" id="LinuxFIBEntry.trace"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.fibentry.LinuxFIBEntry.trace">[docs]</a> <span class="k">def</span> <span class="nf">trace</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">attr</span> <span class="o">=</span> <span class="n">TraceAttr</span><span class="o">.</span><span class="n">ALL</span><span class="p">,</span> <span class="n">block</span> <span class="o">=</span> <span class="mi">512</span><span class="p">,</span> <span class="n">offset</span> <span class="o">=</span> <span class="mi">0</span><span class="p">):</span>
+ <span class="k">if</span> <span class="n">name</span> <span class="o">==</span> <span class="s">"ping"</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">ping</span><span class="p">:</span>
+ <span class="k">return</span> <span class="bp">None</span>
+ <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">trace</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ping</span><span class="o">.</span><span class="n">guid</span><span class="p">,</span> <span class="s">"stdout"</span><span class="p">,</span> <span class="n">attr</span><span class="p">,</span> <span class="n">block</span><span class="p">,</span> <span class="n">offset</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="n">name</span> <span class="o">==</span> <span class="s">"traceroute"</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">traceroute</span><span class="p">:</span>
+ <span class="k">return</span> <span class="bp">None</span>
+ <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">trace</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">traceroute</span><span class="o">.</span><span class="n">guid</span><span class="p">,</span> <span class="s">"stdout"</span><span class="p">,</span> <span class="n">attr</span><span class="p">,</span> <span class="n">block</span><span class="p">,</span> <span class="n">offset</span><span class="p">)</span>
+
+ <span class="k">return</span> <span class="nb">super</span><span class="p">(</span><span class="n">LinuxFIBEntry</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">trace</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">attr</span><span class="p">,</span> <span class="n">block</span><span class="p">,</span> <span class="n">offset</span><span class="p">)</span>
+ </div>
+<div class="viewcode-block" id="LinuxFIBEntry.do_deploy"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.fibentry.LinuxFIBEntry.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>
+ <span class="c"># Wait until associated ccnd is provisioned</span>
+ <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">ccnd</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">ccnd</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>
+ <span class="c"># ccnr needs to wait until ccnd is deployed and running</span>
+ <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>
+ <span class="k">else</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">get</span><span class="p">(</span><span class="s">"ip"</span><span class="p">):</span>
+ <span class="n">host</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">"host"</span><span class="p">)</span>
+ <span class="n">ip</span> <span class="o">=</span> <span class="n">socket</span><span class="o">.</span><span class="n">gethostbyname</span><span class="p">(</span><span class="n">host</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">"ip"</span><span class="p">,</span> <span class="n">ip</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">get</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">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>
+
+ <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">"env"</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">"env"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_environment</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">get</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">info</span><span class="p">(</span><span class="s">"Deploying command '</span><span class="si">%s</span><span class="s">' "</span> <span class="o">%</span> <span class="n">command</span><span class="p">)</span>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">do_discover</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">do_provision</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">configure</span><span class="p">()</span>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">set_ready</span><span class="p">()</span>
+</div>
+<div class="viewcode-block" id="LinuxFIBEntry.upload_start_command"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.fibentry.LinuxFIBEntry.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="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="n">env</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">"env"</span><span class="p">)</span>
+
+ <span class="c"># We want to make sure the FIB entries are created</span>
+ <span class="c"># before the experiment starts.</span>
+ <span class="c"># Run the command as a bash script in the background, </span>
+ <span class="c"># in the host ( but wait until the command has</span>
+ <span class="c"># finished to continue )</span>
+ <span class="n">env</span> <span class="o">=</span> <span class="n">env</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">replace_paths</span><span class="p">(</span><span class="n">env</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="c"># ccndc seems to return exitcode OK even if a (dns) error</span>
+ <span class="c"># occurred, so we need to account for this case here. </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">execute_command</span><span class="p">(</span><span class="n">command</span><span class="p">,</span>
+ <span class="n">env</span><span class="p">,</span> <span class="n">blocking</span> <span class="o">=</span> <span class="bp">True</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="n">msg</span> <span class="o">=</span> <span class="s">"Failed to execute command"</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>
+ </div>
+<div class="viewcode-block" id="LinuxFIBEntry.configure"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.fibentry.LinuxFIBEntry.configure">[docs]</a> <span class="k">def</span> <span class="nf">configure</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">trace_enabled</span><span class="p">(</span><span class="s">"ping"</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">ping</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">"Configuring PING trace"</span><span class="p">)</span>
+ <span class="n">ping</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">register_resource</span><span class="p">(</span><span class="s">"linux::Ping"</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">ping</span><span class="p">,</span> <span class="s">"printTimestamp"</span><span class="p">,</span> <span class="bp">True</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">ping</span><span class="p">,</span> <span class="s">"target"</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">"host"</span><span class="p">))</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">ping</span><span class="p">,</span> <span class="s">"earlyStart"</span><span class="p">,</span> <span class="bp">True</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">register_connection</span><span class="p">(</span><span class="n">ping</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">guid</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">register_connection</span><span class="p">(</span><span class="n">ping</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">guid</span><span class="p">)</span>
+ <span class="c"># schedule ping deploy</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">deploy</span><span class="p">(</span><span class="n">guids</span><span class="o">=</span><span class="p">[</span><span class="n">ping</span><span class="p">],</span> <span class="n">group</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">deployment_group</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">trace_enabled</span><span class="p">(</span><span class="s">"traceroute"</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">traceroute</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">"Configuring TRACEROUTE trace"</span><span class="p">)</span>
+ <span class="n">traceroute</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">register_resource</span><span class="p">(</span><span class="s">"linux::Traceroute"</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">traceroute</span><span class="p">,</span> <span class="s">"printTimestamp"</span><span class="p">,</span> <span class="bp">True</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">traceroute</span><span class="p">,</span> <span class="s">"continuous"</span><span class="p">,</span> <span class="bp">True</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">traceroute</span><span class="p">,</span> <span class="s">"target"</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">"host"</span><span class="p">))</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">traceroute</span><span class="p">,</span> <span class="s">"earlyStart"</span><span class="p">,</span> <span class="bp">True</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">register_connection</span><span class="p">(</span><span class="n">traceroute</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">guid</span><span class="p">)</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">register_connection</span><span class="p">(</span><span class="n">traceroute</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">guid</span><span class="p">)</span>
+ <span class="c"># schedule mtr deploy</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">deploy</span><span class="p">(</span><span class="n">guids</span><span class="o">=</span><span class="p">[</span><span class="n">traceroute</span><span class="p">],</span> <span class="n">group</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">deployment_group</span><span class="p">)</span>
+</div>
+<div class="viewcode-block" id="LinuxFIBEntry.do_start"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.fibentry.LinuxFIBEntry.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>
+ <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>
+ <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="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>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">set_started</span><span class="p">()</span>
+ <span class="k">else</span><span class="p">:</span>
+ <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>
+ <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>
+</div>
+<div class="viewcode-block" id="LinuxFIBEntry.do_stop"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.fibentry.LinuxFIBEntry.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>
+ <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="n">env</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">'env'</span><span class="p">)</span>
+
+ <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>
+ <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="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">_stop_command</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">execute_command</span><span class="p">(</span><span class="n">command</span><span class="p">,</span> <span class="n">env</span><span class="p">,</span>
+ <span class="n">blocking</span> <span class="o">=</span> <span class="bp">True</span><span class="p">)</span>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">set_stopped</span><span class="p">()</span>
+
+ <span class="k">if</span> <span class="n">err</span><span class="p">:</span>
+ <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>
+ <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>
+</div>
+ <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="n">uri</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">"uri"</span><span class="p">)</span> <span class="ow">or</span> <span class="s">""</span>
+ <span class="n">protocol</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">"protocol"</span><span class="p">)</span> <span class="ow">or</span> <span class="s">""</span>
+ <span class="n">ip</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="ow">or</span> <span class="s">""</span>
+ <span class="n">port</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">"port"</span><span class="p">)</span> <span class="ow">or</span> <span class="s">""</span>
+
+ <span class="c"># add ccnx:/example.com/ udp 224.0.0.204 52428</span>
+ <span class="k">return</span> <span class="s">"ccndc add </span><span class="si">%(uri)s</span><span class="s"> </span><span class="si">%(protocol)s</span><span class="s"> </span><span class="si">%(host)s</span><span class="s"> </span><span class="si">%(port)s</span><span class="s">"</span> <span class="o">%</span> <span class="p">({</span>
+ <span class="s">"uri"</span> <span class="p">:</span> <span class="n">uri</span><span class="p">,</span>
+ <span class="s">"protocol"</span><span class="p">:</span> <span class="n">protocol</span><span class="p">,</span>
+ <span class="s">"host"</span><span class="p">:</span> <span class="n">ip</span><span class="p">,</span>
+ <span class="s">"port"</span><span class="p">:</span> <span class="n">port</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="n">uri</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">"uri"</span><span class="p">)</span> <span class="ow">or</span> <span class="s">""</span>
+ <span class="n">protocol</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">"protocol"</span><span class="p">)</span> <span class="ow">or</span> <span class="s">""</span>
+ <span class="n">ip</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="ow">or</span> <span class="s">""</span>
+ <span class="n">port</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">"port"</span><span class="p">)</span> <span class="ow">or</span> <span class="s">""</span>
+
+ <span class="c"># add ccnx:/example.com/ udp 224.0.0.204 52428</span>
+ <span class="k">return</span> <span class="s">"ccndc del </span><span class="si">%(uri)s</span><span class="s"> </span><span class="si">%(protocol)s</span><span class="s"> </span><span class="si">%(host)s</span><span class="s"> </span><span class="si">%(port)s</span><span class="s">"</span> <span class="o">%</span> <span class="p">({</span>
+ <span class="s">"uri"</span> <span class="p">:</span> <span class="n">uri</span><span class="p">,</span>
+ <span class="s">"protocol"</span><span class="p">:</span> <span class="n">protocol</span><span class="p">,</span>
+ <span class="s">"host"</span><span class="p">:</span> <span class="n">ip</span><span class="p">,</span>
+ <span class="s">"port"</span><span class="p">:</span> <span class="n">port</span>
+ <span class="p">})</span>
+
+ <span class="nd">@property</span>
+ <span class="k">def</span> <span class="nf">_environment</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">ccnd</span><span class="o">.</span><span class="n">path</span>
+
+<div class="viewcode-block" id="LinuxFIBEntry.valid_connection"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.fibentry.LinuxFIBEntry.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">
+ <h3>Navigation</h3>
+ <ul>
+ <li class="right" style="margin-right: 10px">
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