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  66   <h1>Source code for nepi.resources.ns3.ns3netdevice</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>
  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.execution.trace</span> <span class="kn">import</span> <span class="n">Trace</span>
  88 <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3base</span> <span class="kn">import</span> <span class="n">NS3Base</span>
  89
  90 <span class="kn">import</span> <span class="nn">ipaddr</span>
  91
  92 <span class="nd">@clsinit_copy</span>
  93 <div class="viewcode-block" id="NS3BaseNetDevice"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3netdevice.NS3BaseNetDevice">[docs]</a><span class="k">class</span> <span class="nc">NS3BaseNetDevice</span><span class="p">(</span><span class="n">NS3Base</span><span class="p">):</span>
  94     <span class="n">_rtype</span> <span class="o">=</span> <span class="s">&quot;abstract::ns3::NetDevice&quot;</span>
  95
  96     <span class="nd">@classmethod</span>
  97     <span class="k">def</span> <span class="nf">_register_attributes</span><span class="p">(</span><span class="n">cls</span><span class="p">):</span>
  98         <span class="n">mac</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;mac&quot;</span><span class="p">,</span> <span class="s">&quot;MAC address for device&quot;</span><span class="p">,</span>
  99                 <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>
 100
 101         <span class="n">ip</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;ip&quot;</span><span class="p">,</span> <span class="s">&quot;IP address for device&quot;</span><span class="p">,</span>
 102                 <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>
 103
 104         <span class="n">prefix</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;prefix&quot;</span><span class="p">,</span> <span class="s">&quot;Network prefix for device&quot;</span><span class="p">,</span>
 105                 <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>
 106
 107         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">mac</span><span class="p">)</span>
 108         <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>
 109         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">prefix</span><span class="p">)</span>
 110
 111     <span class="nd">@classmethod</span>
 112     <span class="k">def</span> <span class="nf">_register_traces</span><span class="p">(</span><span class="n">cls</span><span class="p">):</span>
 113         <span class="n">pcap</span> <span class="o">=</span> <span class="n">Trace</span><span class="p">(</span><span class="s">&quot;pcap&quot;</span><span class="p">,</span> <span class="s">&quot;Dump traffic sniffed on the network device in Pcap format&quot;</span><span class="p">)</span>
 114         <span class="n">promisc_pcap</span> <span class="o">=</span> <span class="n">Trace</span><span class="p">(</span><span class="s">&quot;promiscPcap&quot;</span><span class="p">,</span> <span class="s">&quot;Dump traffic sniffed in promiscuous mode on the network device in Pcap format&quot;</span><span class="p">)</span>
 115         <span class="n">ascii</span> <span class="o">=</span> <span class="n">Trace</span><span class="p">(</span><span class="s">&quot;ascii&quot;</span><span class="p">,</span> <span class="s">&quot;Dump traffic sniffed on the network device in Ascii format&quot;</span><span class="p">)</span>
 116
 117         <span class="n">cls</span><span class="o">.</span><span class="n">_register_trace</span><span class="p">(</span><span class="n">pcap</span><span class="p">)</span>
 118         <span class="n">cls</span><span class="o">.</span><span class="n">_register_trace</span><span class="p">(</span><span class="n">promisc_pcap</span><span class="p">)</span>
 119         <span class="n">cls</span><span class="o">.</span><span class="n">_register_trace</span><span class="p">(</span><span class="n">ascii</span><span class="p">)</span>
 120
 121     <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>
 122         <span class="nb">super</span><span class="p">(</span><span class="n">NS3BaseNetDevice</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>
 123         <span class="bp">self</span><span class="o">.</span><span class="n">_ascii_helper_uuid</span> <span class="o">=</span> <span class="bp">None</span>
 124         <span class="bp">self</span><span class="o">.</span><span class="n">_device_helper_uuid</span> <span class="o">=</span> <span class="bp">None</span>
 125
 126     <span class="nd">@property</span>
 127 <div class="viewcode-block" id="NS3BaseNetDevice.node"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3netdevice.NS3BaseNetDevice.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>
 128         <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3node</span> <span class="kn">import</span> <span class="n">NS3BaseNode</span>
 129         <span class="n">nodes</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">NS3BaseNode</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
 130
 131         <span class="k">if</span> <span class="ow">not</span> <span class="n">nodes</span><span class="p">:</span>
 132             <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Device not connected to node&quot;</span>
 133             <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>
 134             <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
 135
 136         <span class="k">return</span> <span class="n">nodes</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
 137 </div>
 138     <span class="nd">@property</span>
 139 <div class="viewcode-block" id="NS3BaseNetDevice.channel"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3netdevice.NS3BaseNetDevice.channel">[docs]</a>    <span class="k">def</span> <span class="nf">channel</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 140         <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3channel</span> <span class="kn">import</span> <span class="n">NS3BaseChannel</span>
 141         <span class="n">channels</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">NS3BaseChannel</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
 142
 143         <span class="k">if</span> <span class="ow">not</span> <span class="n">channels</span><span class="p">:</span>
 144             <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Device not connected to channel&quot;</span>
 145             <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>
 146             <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
 147
 148         <span class="k">return</span> <span class="n">channels</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
 149 </div>
 150     <span class="nd">@property</span>
 151 <div class="viewcode-block" id="NS3BaseNetDevice.queue"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3netdevice.NS3BaseNetDevice.queue">[docs]</a>    <span class="k">def</span> <span class="nf">queue</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 152         <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3queue</span> <span class="kn">import</span> <span class="n">NS3BaseQueue</span>
 153         <span class="n">queue</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">NS3BaseQueue</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
 154
 155         <span class="k">if</span> <span class="ow">not</span> <span class="n">queue</span><span class="p">:</span>
 156             <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot;Device not connected to queue&quot;</span>
 157             <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>
 158             <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
 159
 160         <span class="k">return</span> <span class="n">queue</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
 161 </div>
 162     <span class="nd">@property</span>
 163 <div class="viewcode-block" id="NS3BaseNetDevice.ascii_helper_uuid"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3netdevice.NS3BaseNetDevice.ascii_helper_uuid">[docs]</a>    <span class="k">def</span> <span class="nf">ascii_helper_uuid</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 164         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ascii_helper_uuid</span><span class="p">:</span>
 165             <span class="bp">self</span><span class="o">.</span><span class="n">_ascii_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;AsciiTraceHelper&quot;</span><span class="p">)</span>
 166         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ascii_helper_uuid</span>
 167 </div>
 168     <span class="nd">@property</span>
 169 <div class="viewcode-block" id="NS3BaseNetDevice.device_helper_uuid"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3netdevice.NS3BaseNetDevice.device_helper_uuid">[docs]</a>    <span class="k">def</span> <span class="nf">device_helper_uuid</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 170         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_device_helper_uuid</span><span class="p">:</span>
 171             <span class="n">rtype</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">()</span>
 172             <span class="k">if</span> <span class="n">rtype</span> <span class="o">==</span> <span class="s">&quot;ns3::PointToPointNetDevice&quot;</span><span class="p">:</span>
 173                 <span class="n">classname</span> <span class="o">=</span> <span class="s">&quot;PointToPointHelper&quot;</span>
 174             <span class="k">elif</span> <span class="n">rtype</span> <span class="o">==</span> <span class="s">&quot;ns3::CsmaNetDevice&quot;</span><span class="p">:</span>
 175                 <span class="n">classname</span> <span class="o">=</span> <span class="s">&quot;CsmaHelper&quot;</span>
 176             <span class="k">elif</span> <span class="n">rtype</span> <span class="o">==</span> <span class="s">&quot;ns3::EmuNetDevice&quot;</span><span class="p">:</span>
 177                 <span class="n">classname</span> <span class="o">=</span> <span class="s">&quot;EmuHelper&quot;</span>
 178             <span class="k">elif</span> <span class="n">rtype</span> <span class="o">==</span> <span class="s">&quot;ns3::FdNetDevice&quot;</span><span class="p">:</span>
 179                 <span class="n">classname</span> <span class="o">=</span> <span class="s">&quot;FdNetDeviceHelper&quot;</span>
 180             <span class="k">elif</span> <span class="n">rtype</span> <span class="ow">in</span> <span class="p">[</span> <span class="s">&quot;ns3::BaseStationNetDevice&quot;</span><span class="p">,</span> <span class="s">&quot;SubscriberStationNetDevice&quot;</span> <span class="p">]:</span>
 181                 <span class="n">classname</span> <span class="o">=</span> <span class="s">&quot;WimaxHelper&quot;</span>
 182             <span class="k">elif</span> <span class="n">rtype</span> <span class="o">==</span> <span class="s">&quot;ns3::WifiNetDevice&quot;</span><span class="p">:</span>
 183                 <span class="n">classname</span> <span class="o">=</span> <span class="s">&quot;YansWifiPhyHelper&quot;</span>
 184             <span class="k">elif</span> <span class="n">rtype</span> <span class="o">==</span> <span class="s">&quot;ns3::FdNetDevice&quot;</span><span class="p">:</span>
 185                 <span class="n">classname</span> <span class="o">=</span> <span class="s">&quot;FdNetDeviceHelper&quot;</span>
 186
 187             <span class="bp">self</span><span class="o">.</span><span class="n">_device_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="n">classname</span><span class="p">)</span>
 188
 189         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_device_helper_uuid</span>
 190 </div>
 191     <span class="nd">@property</span>
 192     <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>
 193         <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">node</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">channel</span><span class="p">])</span>
 194         <span class="k">return</span> <span class="n">rms</span>
 195
 196     <span class="k">def</span> <span class="nf">_configure_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 197         <span class="c"># Set Mac</span>
 198         <span class="bp">self</span><span class="o">.</span><span class="n">_configure_mac_address</span><span class="p">()</span>
 199
 200         <span class="c"># Set IP address</span>
 201         <span class="bp">self</span><span class="o">.</span><span class="n">_configure_ip_address</span><span class="p">()</span>
 202
 203         <span class="c"># Enable traces</span>
 204         <span class="bp">self</span><span class="o">.</span><span class="n">_configure_traces</span><span class="p">()</span>
 205
 206     <span class="k">def</span> <span class="nf">_configure_mac_address</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 207         <span class="n">mac</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;mac&quot;</span><span class="p">)</span>
 208         <span class="k">if</span> <span class="n">mac</span><span class="p">:</span>
 209             <span class="n">mac_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;Mac48Address&quot;</span><span class="p">,</span> <span class="n">mac</span><span class="p">)</span>
 210         <span class="k">else</span><span class="p">:</span>
 211             <span class="n">mac_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="s">&quot;singleton::Mac48Address&quot;</span><span class="p">,</span> <span class="s">&quot;Allocate&quot;</span><span class="p">)</span>
 212
 213         <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;SetAddress&quot;</span><span class="p">,</span> <span class="n">mac_uuid</span><span class="p">)</span>
 214
 215     <span class="k">def</span> <span class="nf">_configure_ip_address</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 216         <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">&quot;ip&quot;</span><span class="p">)</span>
 217         <span class="n">prefix</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;prefix&quot;</span><span class="p">)</span>
 218
 219         <span class="n">i</span> <span class="o">=</span> <span class="n">ipaddr</span><span class="o">.</span><span class="n">IPAddress</span><span class="p">(</span><span class="n">ip</span><span class="p">)</span>
 220         <span class="k">if</span> <span class="n">i</span><span class="o">.</span><span class="n">version</span> <span class="o">==</span> <span class="mi">4</span><span class="p">:</span>
 221             <span class="c"># IPv4</span>
 222             <span class="n">ipv4</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">ipv4</span>
 223             <span class="n">ifindex_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">ipv4</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;AddInterface&quot;</span><span class="p">,</span>
 224                     <span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 225             <span class="n">ipv4_addr_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;Ipv4Address&quot;</span><span class="p">,</span> <span class="n">ip</span><span class="p">)</span>
 226             <span class="n">ipv4_mask_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;Ipv4Mask&quot;</span><span class="p">,</span> <span class="s">&quot;/</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">prefix</span><span class="p">))</span>
 227             <span class="n">inaddr_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;Ipv4InterfaceAddress&quot;</span><span class="p">,</span>
 228                     <span class="n">ipv4_addr_uuid</span><span class="p">,</span> <span class="n">ipv4_mask_uuid</span><span class="p">)</span>
 229             <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">ipv4</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;AddAddress&quot;</span><span class="p">,</span> <span class="n">ifindex_uuid</span><span class="p">,</span>
 230                     <span class="n">inaddr_uuid</span><span class="p">)</span>
 231             <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">ipv4</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;SetMetric&quot;</span><span class="p">,</span> <span class="n">ifindex_uuid</span><span class="p">,</span> <span class="mi">1</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="n">ipv4</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;SetUp&quot;</span><span class="p">,</span> <span class="n">ifindex_uuid</span><span class="p">)</span>
 233         <span class="k">else</span><span class="p">:</span>
 234             <span class="c"># IPv6</span>
 235             <span class="c"># TODO!</span>
 236             <span class="k">pass</span>
 237
 238     <span class="k">def</span> <span class="nf">_configure_traces</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 239         <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">&quot;pcap&quot;</span><span class="p">):</span>
 240             <span class="n">helper_uuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">device_helper_uuid</span>
 241
 242             <span class="n">filename</span> <span class="o">=</span> <span class="s">&quot;trace-pcap-netdev-</span><span class="si">%d</span><span class="s">.pcap&quot;</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">guid</span>
 243             <span class="bp">self</span><span class="o">.</span><span class="n">_trace_filename</span><span class="p">[</span><span class="s">&quot;pcap&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">filename</span>
 244
 245             <span class="n">filepath</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">trace_filepath</span><span class="p">(</span><span class="n">filename</span><span class="p">)</span>
 246
 247             <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">helper_uuid</span><span class="p">,</span> <span class="s">&quot;EnablePcap&quot;</span><span class="p">,</span> <span class="n">filepath</span><span class="p">,</span>
 248                     <span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="n">promiscuous</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span> <span class="n">explicitFilename</span> <span class="o">=</span> <span class="bp">True</span><span class="p">)</span>
 249
 250         <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">&quot;promiscPcap&quot;</span><span class="p">):</span>
 251             <span class="n">helper_uuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">device_helper_uuid</span>
 252
 253             <span class="n">filename</span> <span class="o">=</span> <span class="s">&quot;trace-promisc-pcap-netdev-</span><span class="si">%d</span><span class="s">.pcap&quot;</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">guid</span>
 254             <span class="bp">self</span><span class="o">.</span><span class="n">_trace_filename</span><span class="p">[</span><span class="s">&quot;promiscPcap&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">filename</span>
 255
 256             <span class="n">filepath</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">trace_filepath</span><span class="p">(</span><span class="n">filename</span><span class="p">)</span>
 257
 258             <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">helper_uuid</span><span class="p">,</span> <span class="s">&quot;EnablePcap&quot;</span><span class="p">,</span> <span class="n">filepath</span><span class="p">,</span>
 259                     <span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="n">promiscuous</span> <span class="o">=</span> <span class="bp">True</span><span class="p">,</span> <span class="n">explicitFilename</span> <span class="o">=</span> <span class="bp">True</span><span class="p">)</span>
 260
 261         <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">&quot;ascii&quot;</span><span class="p">):</span>
 262             <span class="n">helper_uuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">device_helper_uuid</span>
 263             <span class="n">ascii_helper_uuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ascii_helper_uuid</span>
 264
 265             <span class="n">filename</span> <span class="o">=</span> <span class="s">&quot;trace-ascii-netdev-</span><span class="si">%d</span><span class="s">.tr&quot;</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">guid</span>
 266             <span class="bp">self</span><span class="o">.</span><span class="n">_trace_filename</span><span class="p">[</span><span class="s">&quot;ascii&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">filename</span>
 267
 268             <span class="n">filepath</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">trace_filepath</span><span class="p">(</span><span class="n">filename</span><span class="p">)</span>
 269             <span class="n">stream_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">ascii_helper_uuid</span><span class="p">,</span>
 270                     <span class="s">&quot;CreateFileStream&quot;</span><span class="p">,</span> <span class="n">filepath</span><span class="p">)</span>
 271             <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">helper_uuid</span><span class="p">,</span> <span class="s">&quot;EnableAscii&quot;</span><span class="p">,</span> <span class="n">stream_uuid</span><span class="p">,</span>
 272                     <span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 273
 274     <span class="k">def</span> <span class="nf">_connect_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 275         <span class="n">node</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span>
 276         <span class="k">if</span> <span class="n">node</span> <span class="ow">and</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>
 277             <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">node</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">&quot;AddDevice&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 278             <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>
 279
 280         <span class="n">channel</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">channel</span>
 281         <span class="k">if</span> <span class="n">channel</span> <span class="ow">and</span> <span class="n">channel</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>
 282             <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;Attach&quot;</span><span class="p">,</span> <span class="n">channel</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 283             <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">channel</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
 284
 285         <span class="c"># Verify that the device has a queue. If no queue is added a segfault </span>
 286         <span class="c"># error occurs</span>
 287         <span class="n">queue</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">queue</span>
 288 </pre></div></div>
 289
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