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  66   <h1>Source code for nepi.resources.ns3.ns3node</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>
  87 <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3base</span> <span class="kn">import</span> <span class="n">NS3Base</span>
  88
  89 <span class="nd">@clsinit_copy</span>
  90 <div class="viewcode-block" id="NS3BaseNode"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3node.NS3BaseNode">[docs]</a><span class="k">class</span> <span class="nc">NS3BaseNode</span><span class="p">(</span><span class="n">NS3Base</span><span class="p">):</span>
  91     <span class="n">_rtype</span> <span class="o">=</span> <span class="s">&quot;abstract::ns3::Node&quot;</span>
  92
  93     <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>
  94         <span class="nb">super</span><span class="p">(</span><span class="n">NS3BaseNode</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>
  95         <span class="bp">self</span><span class="o">.</span><span class="n">_simulation</span> <span class="o">=</span> <span class="bp">None</span>
  96         <span class="bp">self</span><span class="o">.</span><span class="n">_node_id</span> <span class="o">=</span> <span class="bp">None</span>
  97         <span class="bp">self</span><span class="o">.</span><span class="n">_ipv4</span> <span class="o">=</span> <span class="bp">None</span>
  98         <span class="bp">self</span><span class="o">.</span><span class="n">_arp</span> <span class="o">=</span> <span class="bp">None</span>
  99         <span class="bp">self</span><span class="o">.</span><span class="n">_mobility</span> <span class="o">=</span> <span class="bp">None</span>
 100         <span class="bp">self</span><span class="o">.</span><span class="n">_devices</span> <span class="o">=</span> <span class="bp">None</span>
 101         <span class="bp">self</span><span class="o">.</span><span class="n">_dceapplications</span> <span class="o">=</span> <span class="bp">None</span>
 102
 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">enablestack</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;enableStack&quot;</span><span class="p">,</span>
 106                 <span class="s">&quot;Install network stack in Node, including: ARP, &quot;</span>
 107                 <span class="s">&quot;IP4, ICMP, UDP and TCP &quot;</span><span class="p">,</span>
 108                 <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>
 109                 <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 110                 <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>
 111
 112         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">enablestack</span><span class="p">)</span>
 113
 114     <span class="nd">@property</span>
 115 <div class="viewcode-block" id="NS3BaseNode.simulation"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3node.NS3BaseNode.simulation">[docs]</a>    <span class="k">def</span> <span class="nf">simulation</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 116         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_simulation</span><span class="p">:</span>
 117             <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3simulation</span> <span class="kn">import</span> <span class="n">NS3Simulation</span>
 118             <span class="k">for</span> <span class="n">guid</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">connections</span><span class="p">:</span>
 119                 <span class="n">rm</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">get_resource</span><span class="p">(</span><span class="n">guid</span><span class="p">)</span>
 120                 <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">rm</span><span class="p">,</span> <span class="n">NS3Simulation</span><span class="p">):</span>
 121                     <span class="bp">self</span><span class="o">.</span><span class="n">_simulation</span> <span class="o">=</span> <span class="n">rm</span>
 122
 123             <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_simulation</span><span class="p">:</span>
 124                 <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Node not connected to simulation&quot;</span>
 125                 <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>
 126                 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
 127
 128         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_simulation</span>
 129          </div>
 130     <span class="nd">@property</span>
 131 <div class="viewcode-block" id="NS3BaseNode.ipv4"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3node.NS3BaseNode.ipv4">[docs]</a>    <span class="k">def</span> <span class="nf">ipv4</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 132         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ipv4</span><span class="p">:</span>
 133             <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3ipv4l3protocol</span> <span class="kn">import</span> <span class="n">NS3BaseIpv4L3Protocol</span>
 134             <span class="n">ipv4s</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">NS3BaseIpv4L3Protocol</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
 135             <span class="k">if</span> <span class="n">ipv4s</span><span class="p">:</span>
 136                 <span class="bp">self</span><span class="o">.</span><span class="n">_ipv4</span> <span class="o">=</span> <span class="n">ipv4s</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
 137
 138         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ipv4</span>
 139 </div>
 140     <span class="nd">@property</span>
 141 <div class="viewcode-block" id="NS3BaseNode.arp"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3node.NS3BaseNode.arp">[docs]</a>    <span class="k">def</span> <span class="nf">arp</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 142         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_arp</span><span class="p">:</span>
 143             <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3arpl3protocol</span> <span class="kn">import</span> <span class="n">NS3BaseArpL3Protocol</span>
 144             <span class="n">arps</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">NS3BaseArpL3Protocol</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
 145             <span class="k">if</span> <span class="n">arps</span><span class="p">:</span>
 146                 <span class="bp">self</span><span class="o">.</span><span class="n">_arp</span> <span class="o">=</span> <span class="n">arps</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
 147
 148         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_arp</span>
 149 </div>
 150     <span class="nd">@property</span>
 151 <div class="viewcode-block" id="NS3BaseNode.mobility"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3node.NS3BaseNode.mobility">[docs]</a>    <span class="k">def</span> <span class="nf">mobility</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 152         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_mobility</span><span class="p">:</span>
 153             <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3mobilitymodel</span> <span class="kn">import</span> <span class="n">NS3BaseMobilityModel</span>
 154             <span class="n">mobility</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">NS3BaseMobilityModel</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
 155             <span class="k">if</span> <span class="n">mobility</span><span class="p">:</span>
 156                 <span class="bp">self</span><span class="o">.</span><span class="n">_mobility</span> <span class="o">=</span> <span class="n">mobility</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
 157
 158         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_mobility</span>
 159 </div>
 160     <span class="nd">@property</span>
 161 <div class="viewcode-block" id="NS3BaseNode.devices"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3node.NS3BaseNode.devices">[docs]</a>    <span class="k">def</span> <span class="nf">devices</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 162         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_devices</span><span class="p">:</span>
 163             <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3netdevice</span> <span class="kn">import</span> <span class="n">NS3BaseNetDevice</span>
 164             <span class="n">devices</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">NS3BaseNetDevice</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
 165
 166             <span class="k">if</span> <span class="ow">not</span> <span class="n">devices</span><span class="p">:</span>
 167                 <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Node not connected to devices&quot;</span>
 168                 <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>
 169                 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
 170
 171             <span class="bp">self</span><span class="o">.</span><span class="n">_devices</span> <span class="o">=</span> <span class="n">devices</span>
 172
 173         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_devices</span>
 174 </div>
 175     <span class="nd">@property</span>
 176 <div class="viewcode-block" id="NS3BaseNode.node_id"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3node.NS3BaseNode.node_id">[docs]</a>    <span class="k">def</span> <span class="nf">node_id</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 177         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_node_id</span>
 178 </div>
 179     <span class="nd">@property</span>
 180 <div class="viewcode-block" id="NS3BaseNode.dceapplications"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3node.NS3BaseNode.dceapplications">[docs]</a>    <span class="k">def</span> <span class="nf">dceapplications</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 181         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dceapplications</span><span class="p">:</span>
 182             <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3dceapplication</span> <span class="kn">import</span> <span class="n">NS3BaseDceApplication</span>
 183             <span class="bp">self</span><span class="o">.</span><span class="n">_dceapplications</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">NS3BaseDceApplication</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
 184
 185         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dceapplications</span>
 186 </div>
 187     <span class="nd">@property</span>
 188     <span class="k">def</span> <span class="nf">_rms_to_wait</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 189         <span class="n">rms</span> <span class="o">=</span> <span class="nb">set</span><span class="p">([</span><span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="p">])</span>
 190
 191         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ipv4</span><span class="p">:</span>
 192             <span class="n">rms</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ipv4</span><span class="p">)</span>
 193
 194         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">arp</span><span class="p">:</span>
 195             <span class="n">rms</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">arp</span><span class="p">)</span>
 196
 197         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">mobility</span><span class="p">:</span>
 198             <span class="n">rms</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mobility</span><span class="p">)</span>
 199
 200         <span class="k">return</span> <span class="n">rms</span>
 201
 202     <span class="k">def</span> <span class="nf">_configure_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 203         <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">&quot;enableStack&quot;</span><span class="p">):</span>
 204             <span class="n">uuid_stack_helper</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;InternetStackHelper&quot;</span><span class="p">)</span>
 205             <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">uuid_stack_helper</span><span class="p">,</span> <span class="s">&quot;Install&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 206
 207             <span class="c"># Retrieve IPV4 object</span>
 208             <span class="n">ipv4_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="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;retrieveObject&quot;</span><span class="p">,</span>
 209                     <span class="s">&quot;ns3::Ipv4L3Protocol&quot;</span><span class="p">)</span>
 210
 211             <span class="c"># Add IPv4 RM to the node</span>
 212             <span class="n">ipv4</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">&quot;ns3::Ipv4L3Protocol&quot;</span><span class="p">)</span>
 213             <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="bp">self</span><span class="o">.</span><span class="n">guid</span><span class="p">,</span> <span class="n">ipv4</span><span class="p">)</span>
 214             <span class="n">ipv4rm</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">get_resource</span><span class="p">(</span><span class="n">ipv4</span><span class="p">)</span>
 215             <span class="n">ipv4rm</span><span class="o">.</span><span class="n">_uuid</span> <span class="o">=</span> <span class="n">ipv4_uuid</span>
 216             <span class="n">ipv4rm</span><span class="o">.</span><span class="n">set_started</span><span class="p">()</span>
 217         <span class="k">else</span><span class="p">:</span>
 218             <span class="c">### node.AggregateObject(PacketSocketFactory())</span>
 219             <span class="n">uuid_packet_socket_factory</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;PacketSocketFactory&quot;</span><span class="p">)</span>
 220             <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="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;AggregateObject&quot;</span><span class="p">,</span> <span class="n">uuid_packet_socket_factory</span><span class="p">)</span>
 221
 222         <span class="bp">self</span><span class="o">.</span><span class="n">_node_id</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="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;GetId&quot;</span><span class="p">)</span>
 223
 224         <span class="n">dceapplications</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">dceapplications</span>
 225         <span class="k">if</span> <span class="n">dceapplications</span><span class="p">:</span>
 226             <span class="bp">self</span><span class="o">.</span><span class="n">_add_dce</span><span class="p">(</span><span class="n">dceapplications</span><span class="p">)</span>
 227
 228     <span class="k">def</span> <span class="nf">_connect_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 229         <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">&quot;enableStack&quot;</span><span class="p">):</span>
 230             <span class="n">ipv4</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ipv4</span>
 231             <span class="k">if</span> <span class="n">ipv4</span><span class="p">:</span>
 232                 <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="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;AggregateObject&quot;</span><span class="p">,</span> <span class="n">ipv4</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 233                 <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">ipv4</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 234                 <span class="n">ipv4</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="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 235
 236             <span class="n">arp</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">arp</span>
 237             <span class="k">if</span> <span class="n">arp</span><span class="p">:</span>
 238                 <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="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;AggregateObject&quot;</span><span class="p">,</span> <span class="n">arp</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 239                 <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">arp</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 240                 <span class="n">arp</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="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 241
 242         <span class="n">mobility</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">mobility</span>
 243         <span class="k">if</span> <span class="n">mobility</span><span class="p">:</span>
 244             <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="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;AggregateObject&quot;</span><span class="p">,</span> <span class="n">mobility</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 245             <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">mobility</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 246             <span class="n">mobility</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="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 247
 248     <span class="k">def</span> <span class="nf">_add_dce</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dceapplications</span><span class="p">):</span>
 249         <span class="n">dceapp</span> <span class="o">=</span> <span class="n">dceapplications</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
 250
 251         <span class="n">container_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;NodeContainer&quot;</span><span class="p">)</span>
 252         <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">container_uuid</span><span class="p">,</span> <span class="s">&quot;Add&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 253
 254         <span class="n">dce_helper</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">dce_helper</span>
 255
 256         <span class="k">with</span> <span class="n">dce_helper</span><span class="o">.</span><span class="n">dce_manager_lock</span><span class="p">:</span>
 257             <span class="n">dce_manager_uuid</span> <span class="o">=</span> <span class="n">dce_helper</span><span class="o">.</span><span class="n">dce_manager_uuid</span>
 258
 259             <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">dce_manager_uuid</span><span class="p">,</span> <span class="s">&quot;Install&quot;</span><span class="p">,</span> <span class="n">container_uuid</span><span class="p">)</span>
 260 </pre></div></div>
 261
 262           </div>
 263         </div>
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