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  66   <h1>Source code for nepi.resources.ns3.ns3ccndceapplication</h1><div class="highlight"><pre>
  67 <span class="c">#</span>
  68 <span class="c">#    NEPI, a framework to manage network experiments</span>
  69 <span class="c">#    Copyright (C) 2014 INRIA</span>
  70 <span class="c">#</span>
  71 <span class="c">#    This program is free software: you can redistribute it and/or modify</span>
  72 <span class="c">#    it under the terms of the GNU General Public License version 2 as</span>
  73 <span class="c">#    published by the Free Software Foundation;</span>
  74 <span class="c">#</span>
  75 <span class="c">#    This program is distributed in the hope that it will be useful,</span>
  76 <span class="c">#    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
  77 <span class="c">#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
  78 <span class="c">#    GNU General Public License for more details.</span>
  79 <span class="c">#</span>
  80 <span class="c">#    You should have received a copy of the GNU General Public License</span>
  81 <span class="c">#    along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
  82 <span class="c">#</span>
  83 <span class="c"># Author: Alina Quereilhac &lt;alina.quereilhac@inria.fr&gt;</span>
  84
  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.ns3.ns3dceapplication</span> <span class="kn">import</span> <span class="n">NS3BaseDceApplication</span>
  88
  89 <span class="kn">import</span> <span class="nn">os</span>
  90 <span class="kn">import</span> <span class="nn">threading</span>
  91
  92 <span class="nd">@clsinit_copy</span>
  93 <div class="viewcode-block" id="NS3BaseCCNDceApplication"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3ccndceapplication.NS3BaseCCNDceApplication">[docs]</a><span class="k">class</span> <span class="nc">NS3BaseCCNDceApplication</span><span class="p">(</span><span class="n">NS3BaseDceApplication</span><span class="p">):</span>
  94     <span class="n">_rtype</span> <span class="o">=</span> <span class="s">&quot;abstract::ns3::CCNDceApplication&quot;</span>
  95
  96     <span class="c"># Lock used to synchronize usage of CcnClientHelper </span>
  97     <span class="n">ccn_client_lock</span> <span class="o">=</span> <span class="n">threading</span><span class="o">.</span><span class="n">Lock</span><span class="p">()</span>
  98     <span class="n">_ccn_client_helper_uuid</span> <span class="o">=</span> <span class="bp">None</span>
  99
 100     <span class="nd">@property</span>
 101 <div class="viewcode-block" id="NS3BaseCCNDceApplication.ccn_client_helper_uuid"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3ccndceapplication.NS3BaseCCNDceApplication.ccn_client_helper_uuid">[docs]</a>    <span class="k">def</span> <span class="nf">ccn_client_helper_uuid</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 102         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ccn_client_helper_uuid</span><span class="p">:</span>
 103             <span class="bp">self</span><span class="o">.</span><span class="n">_ccn_client_helper_uuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">create</span><span class="p">(</span><span class="s">&quot;CcnClientHelper&quot;</span><span class="p">)</span>
 104         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ccn_client_helper_uuid</span>
 105 </div>
 106     <span class="k">def</span> <span class="nf">_instantiate_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 107         <span class="k">pass</span>
 108
 109     <span class="k">def</span> <span class="nf">_connect_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 110         <span class="n">node</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span>
 111         <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">uuid</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">connected</span><span class="p">:</span>
 112             <span class="bp">self</span><span class="o">.</span><span class="n">_connected</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 113
 114             <span class="c"># Preventing concurrent access to the DceApplicationHelper</span>
 115             <span class="c"># from different DceApplication RMs</span>
 116             <span class="k">with</span> <span class="bp">self</span><span class="o">.</span><span class="n">ccn_client_lock</span><span class="p">:</span>
 117                 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span>
 118                         <span class="bp">self</span><span class="o">.</span><span class="n">ccn_client_helper_uuid</span><span class="p">,</span>
 119                         <span class="s">&quot;ResetArguments&quot;</span><span class="p">)</span>
 120
 121                 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span>
 122                         <span class="bp">self</span><span class="o">.</span><span class="n">ccn_client_helper_uuid</span><span class="p">,</span>
 123                         <span class="s">&quot;ResetEnvironment&quot;</span><span class="p">)</span>
 124
 125                 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span>
 126                         <span class="bp">self</span><span class="o">.</span><span class="n">ccn_client_helper_uuid</span><span class="p">,</span>
 127                         <span class="s">&quot;SetBinary&quot;</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">&quot;binary&quot;</span><span class="p">))</span>
 128
 129                 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span>
 130                         <span class="bp">self</span><span class="o">.</span><span class="n">ccn_client_helper_uuid</span><span class="p">,</span>
 131                         <span class="s">&quot;SetStackSize&quot;</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">&quot;stackSize&quot;</span><span class="p">))</span>
 132
 133                 <span class="n">arguments</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">&quot;arguments&quot;</span><span class="p">)</span>
 134                 <span class="k">if</span> <span class="n">arguments</span><span class="p">:</span>
 135                     <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="nb">map</span><span class="p">(</span><span class="nb">str</span><span class="o">.</span><span class="n">strip</span><span class="p">,</span> <span class="n">arguments</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">&quot;;&quot;</span><span class="p">)):</span>
 136                         <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span>
 137                                  <span class="bp">self</span><span class="o">.</span><span class="n">ccn_client_helper_uuid</span><span class="p">,</span>
 138                                 <span class="s">&quot;AddArgument&quot;</span><span class="p">,</span> <span class="n">arg</span><span class="p">)</span>
 139
 140                 <span class="n">environment</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">&quot;environment&quot;</span><span class="p">)</span>
 141                 <span class="k">if</span> <span class="n">environment</span><span class="p">:</span>
 142                     <span class="k">for</span> <span class="n">env</span> <span class="ow">in</span> <span class="nb">map</span><span class="p">(</span><span class="nb">str</span><span class="o">.</span><span class="n">strip</span><span class="p">,</span> <span class="n">environment</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">&quot;;&quot;</span><span class="p">)):</span>
 143                         <span class="n">key</span><span class="p">,</span> <span class="n">val</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">&quot;=&quot;</span><span class="p">)</span>
 144                         <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span>
 145                                 <span class="bp">self</span><span class="o">.</span><span class="n">ccn_client_helper_uuid</span><span class="p">,</span>
 146                                <span class="s">&quot;AddEnvironment&quot;</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">val</span><span class="p">)</span>
 147
 148                 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">has_attribute</span><span class="p">(</span><span class="s">&quot;files&quot;</span><span class="p">):</span>
 149                     <span class="n">files</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">&quot;files&quot;</span><span class="p">)</span>
 150                     <span class="k">if</span> <span class="n">files</span><span class="p">:</span>
 151                         <span class="k">for</span> <span class="nb">file</span> <span class="ow">in</span> <span class="nb">map</span><span class="p">(</span><span class="nb">str</span><span class="o">.</span><span class="n">strip</span><span class="p">,</span> <span class="n">files</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">&quot;;&quot;</span><span class="p">)):</span>
 152                             <span class="n">remotepath</span><span class="p">,</span> <span class="n">dcepath</span> <span class="o">=</span> <span class="nb">file</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">&quot;=&quot;</span><span class="p">)</span>
 153                             <span class="n">localpath</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">simulation</span><span class="o">.</span><span class="n">app_home</span><span class="p">,</span>
 154                                     <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">basename</span><span class="p">(</span><span class="n">remotepath</span><span class="p">))</span>
 155                             <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span>
 156                                     <span class="bp">self</span><span class="o">.</span><span class="n">ccn_client_helper_uuid</span><span class="p">,</span>
 157                                     <span class="s">&quot;AddFile&quot;</span><span class="p">,</span> <span class="n">localpath</span><span class="p">,</span> <span class="n">dcepath</span><span class="p">)</span>
 158
 159                 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">has_attribute</span><span class="p">(</span><span class="s">&quot;stdinFile&quot;</span><span class="p">):</span>
 160                     <span class="n">stdinfile</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">&quot;stdinFile&quot;</span><span class="p">)</span>
 161                     <span class="k">if</span> <span class="n">stdinfile</span><span class="p">:</span>
 162                         <span class="c"># stdinfile might be an empty text that should be set as</span>
 163                         <span class="c"># stdin</span>
 164                         <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span>
 165                                 <span class="bp">self</span><span class="o">.</span><span class="n">ccn_client_helper_uuid</span><span class="p">,</span>
 166                                 <span class="s">&quot;SetStdinFile&quot;</span><span class="p">,</span> <span class="n">stdinfile</span><span class="p">)</span>
 167
 168                 <span class="n">apps_uuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span>
 169                         <span class="bp">self</span><span class="o">.</span><span class="n">ccn_client_helper_uuid</span><span class="p">,</span>
 170                         <span class="s">&quot;InstallInNode&quot;</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">uuid</span><span class="p">)</span>
 171
 172                 <span class="sd">&quot;&quot;&quot;</span>
 173 <span class="sd">                container_uuid = self.simulation.create(&quot;NodeContainer&quot;)</span>
 174 <span class="sd">                self.simulation.invoke(container_uuid, &quot;Add&quot;, self.node.uuid)</span>
 175 <span class="sd">                apps_uuid = self.simulation.invoke(</span>
 176 <span class="sd">                        self.ccn_client_helper_uuid, </span>
 177 <span class="sd">                        &quot;Install&quot;, container_uuid)</span>
 178 <span class="sd">                &quot;&quot;&quot;</span>
 179
 180             <span class="bp">self</span><span class="o">.</span><span class="n">_uuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="n">apps_uuid</span><span class="p">,</span> <span class="s">&quot;Get&quot;</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
 181
 182             <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">has_changed</span><span class="p">(</span><span class="s">&quot;StartTime&quot;</span><span class="p">):</span>
 183                 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">ns3_set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;StartTime&quot;</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">&quot;StartTime&quot;</span><span class="p">))</span>
 184
 185             <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">has_changed</span><span class="p">(</span><span class="s">&quot;StopTime&quot;</span><span class="p">):</span>
 186                 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">ns3_set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;StopTime&quot;</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">&quot;StopTime&quot;</span><span class="p">))</span>
 187 </pre></div></div>
 188
 189           </div>
 190         </div>
 191       </div>
 192       <div class="clearer"></div>
 193     </div>
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