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+ <h1>Source code for nepi.resources.linux.mtr</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.application</span> <span class="kn">import</span> <span class="n">LinuxApplication</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="nd">@clsinit_copy</span>
+<div class="viewcode-block" id="LinuxMtr"><a class="viewcode-back" href="../../../../_layout/nepi.resources.linux.html#nepi.resources.linux.mtr.LinuxMtr">[docs]</a><span class="k">class</span> <span class="nc">LinuxMtr</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::Mtr"</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">report_cycles</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"reportCycles"</span><span class="p">,</span>
+ <span class="s">"sets mtr --report-cycles (-c) option. Determines the number of "</span>
+ <span class="s">"pings sent to determine both machines in the networks. Each "</span>
+ <span class="s">"cycle lasts one sencond."</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">no_dns</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"noDns"</span><span class="p">,</span>
+ <span class="s">"sets mtr --no-dns (-n) option. Forces mtr to display IPs intead of "</span>
+ <span class="s">"trying to resolve to host names "</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">default</span> <span class="o">=</span> <span class="bp">True</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">address</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"address"</span><span class="p">,</span>
+ <span class="s">"sets mtr --address (-a) option. Binds the socket to send outgoing "</span>
+ <span class="s">"packets to the interface of the specified address, so that any "</span>
+ <span class="s">"any packets are sent through this interface. "</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">interval</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"interval"</span><span class="p">,</span>
+ <span class="s">"sets mtr --interval (-i) option. Specifies the number of seconds "</span>
+ <span class="s">"between ICMP ECHO requests. Default value is one second "</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">countinuous</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"continuous"</span><span class="p">,</span>
+ <span class="s">"Run mtr in a while loop"</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">default</span> <span class="o">=</span> <span class="bp">False</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">print_timestamp</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"printTimestamp"</span><span class="p">,</span>
+ <span class="s">"Print timestamp before running mtr"</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">default</span> <span class="o">=</span> <span class="bp">False</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">target</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"target"</span><span class="p">,</span>
+ <span class="s">"mtr target host (host that will be pinged)"</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">early_start</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"earlyStart"</span><span class="p">,</span>
+ <span class="s">"Start ping as early as deployment. "</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">default</span> <span class="o">=</span> <span class="bp">False</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">report_cycles</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">no_dns</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">address</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">interval</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">countinuous</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">print_timestamp</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">target</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">early_start</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">LinuxMtr</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">"mtr-</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">_sudo_kill</span> <span class="o">=</span> <span class="bp">True</span>
+
+<div class="viewcode-block" id="LinuxMtr.upload_start_command"><a class="viewcode-back" href="../../../../_layout/nepi.resources.linux.html#nepi.resources.linux.mtr.LinuxMtr.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">LinuxMtr</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="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"earlyStart"</span><span class="p">)</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">_run_in_background</span><span class="p">()</span>
+</div>
+<div class="viewcode-block" id="LinuxMtr.do_deploy"><a class="viewcode-back" href="../../../../_layout/nepi.resources.linux.html#nepi.resources.linux.mtr.LinuxMtr.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="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="s">"PATH=$PATH:/usr/sbin/"</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">"depends"</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">"depends"</span><span class="p">,</span> <span class="s">"mtr"</span><span class="p">)</span>
+
+ <span class="nb">super</span><span class="p">(</span><span class="n">LinuxMtr</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">do_deploy</span><span class="p">()</span>
+</div>
+<div class="viewcode-block" id="LinuxMtr.do_start"><a class="viewcode-back" href="../../../../_layout/nepi.resources.linux.html#nepi.resources.linux.mtr.LinuxMtr.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">get</span><span class="p">(</span><span class="s">"earlyStart"</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</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>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="nb">super</span><span class="p">(</span><span class="n">LinuxMtr</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">do_start</span><span class="p">()</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">args</span> <span class="o">=</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">"continuous"</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
+ <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"while true; do "</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">"printTimestamp"</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
+ <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"""echo "`date +'%Y%m</span><span class="si">%d</span><span class="s">%H%M%S'`";"""</span><span class="p">)</span>
+ <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"sudo -S mtr --report"</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">"reportCycles"</span><span class="p">):</span>
+ <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-c </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">"reportCycles"</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">"noDns"</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
+ <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"-n"</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">"address"</span><span class="p">):</span>
+ <span class="n">args</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">"address"</span><span class="p">))</span>
+ <span class="n">args</span><span class="o">.</span><span class="n">append</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">"target"</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">"continuous"</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
+ <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"; done "</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">args</span><span class="p">)</span>
+
+ <span class="k">return</span> <span class="n">command</span>
+
+<div class="viewcode-block" id="LinuxMtr.valid_connection"><a class="viewcode-back" href="../../../../_layout/nepi.resources.linux.html#nepi.resources.linux.mtr.LinuxMtr.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>
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