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  66   <h1>Source code for nepi.resources.linux.tcpdump</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) 2013 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.linux.application</span> <span class="kn">import</span> <span class="n">LinuxApplication</span>
  88 <span class="kn">from</span> <span class="nn">nepi.util.timefuncs</span> <span class="kn">import</span> <span class="n">tnow</span>
  89
  90 <span class="kn">import</span> <span class="nn">os</span>
  91
  92 <span class="nd">@clsinit_copy</span>
  93 <div class="viewcode-block" id="LinuxTcpdump"><a class="viewcode-back" href="../../../../_layout/nepi.resources.linux.html#nepi.resources.linux.tcpdump.LinuxTcpdump">[docs]</a><span class="k">class</span> <span class="nc">LinuxTcpdump</span><span class="p">(</span><span class="n">LinuxApplication</span><span class="p">):</span>
  94     <span class="n">_rtype</span> <span class="o">=</span> <span class="s">&quot;linux::Tcpdump&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">A</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;A&quot;</span><span class="p">,</span>
  99             <span class="s">&quot;Sets tcpdump -A option. &quot;</span>
 100             <span class="s">&quot;Prints each packet (minus its link level header) in ASCII.&quot;</span><span class="p">,</span>
 101             <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>
 102             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 103             <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>
 104
 105         <span class="n">b</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;b&quot;</span><span class="p">,</span>
 106             <span class="s">&quot;Sets tcpdump -b option. &quot;</span>
 107             <span class="s">&quot;Prints the AS number in BGP packets in ASDOT notation. &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">B</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;B&quot;</span><span class="p">,</span>
 113             <span class="s">&quot;Sets tcpdump -B option. &quot;</span>
 114             <span class="s">&quot;Sets the operaing system capture buffer size in untils of &quot;</span>
 115             <span class="s">&quot;KiB (1024 bytes).&quot;</span><span class="p">,</span>
 116             <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>
 117
 118         <span class="n">c</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;c&quot;</span><span class="p">,</span>
 119             <span class="s">&quot;Sets tcpdump -c option. &quot;</span>
 120             <span class="s">&quot;Exists after receiving count packets.&quot;</span><span class="p">,</span>
 121             <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>
 122
 123         <span class="n">C</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;C&quot;</span><span class="p">,</span>
 124             <span class="s">&quot;Sets tcpdump -C option. &quot;</span>
 125             <span class="s">&quot;Before writing a raw packet to a savefile, check whether the &quot;</span>
 126             <span class="s">&quot;file is currently larger than file_size and, if so, close the &quot;</span>
 127             <span class="s">&quot;current  savefile  and  open a new one. &quot;</span>
 128             <span class="s">&quot;Savefiles after the first savefile will have the name specified &quot;</span>
 129             <span class="s">&quot;with the -w with a number after it, starting at 1 and continuing &quot;</span>
 130             <span class="s">&quot;upward. &quot;</span><span class="p">,</span>
 131             <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>
 132
 133         <span class="n">d</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;d&quot;</span><span class="p">,</span>
 134             <span class="s">&quot;Sets tcpdump -d option. &quot;</span>
 135             <span class="s">&quot;Dump the compiled packet-matching code in a human readable form &quot;</span>
 136             <span class="s">&quot;to standard output and stop.&quot;</span><span class="p">,</span>
 137             <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>
 138             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 139             <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>
 140
 141         <span class="n">dd</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;dd&quot;</span><span class="p">,</span>
 142             <span class="s">&quot;Sets tcpdump -dd option. &quot;</span>
 143             <span class="s">&quot;Dump packet-matching code as a C program fragment. &quot;</span><span class="p">,</span>
 144             <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>
 145             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 146             <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>
 147
 148         <span class="n">ddd</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;ddd&quot;</span><span class="p">,</span>
 149             <span class="s">&quot;Sets tcpdump -ddd option. &quot;</span>
 150             <span class="s">&quot;Dump packet-matching code as decimal numbers &quot;</span>
 151             <span class="s">&quot;(preceded with a count).&quot;</span><span class="p">,</span>
 152             <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>
 153             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 154             <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>
 155
 156         <span class="n">D</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;D&quot;</span><span class="p">,</span>
 157             <span class="s">&quot;Sets tcpdump -D option. &quot;</span>
 158             <span class="s">&quot;Print the list of the network interfaces available on the system &quot;</span>
 159             <span class="s">&quot;and on which tcpdump can capture packets. &quot;</span><span class="p">,</span>
 160             <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>
 161             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 162             <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>
 163
 164         <span class="n">e</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;e&quot;</span><span class="p">,</span>
 165             <span class="s">&quot;Sets tcpdump -e option. &quot;</span>
 166             <span class="s">&quot;Print the link-level header on each dump line.&quot;</span><span class="p">,</span>
 167             <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>
 168             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 169             <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>
 170
 171         <span class="n">F</span> <span class="o">=</span>  <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;F&quot;</span><span class="p">,</span>
 172             <span class="s">&quot;Sets tcpdump -F option. &quot;</span>
 173             <span class="s">&quot;Use file as input for the filter expression.&quot;</span><span class="p">,</span>
 174             <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>
 175
 176         <span class="n">G</span> <span class="o">=</span>  <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;G&quot;</span><span class="p">,</span>
 177             <span class="s">&quot;Sets tcpdump -G option. &quot;</span>
 178             <span class="s">&quot;If specified, rotates the dump file specified with the -w &quot;</span>
 179             <span class="s">&quot;option every rotate_seconds seconds. &quot;</span><span class="p">,</span>
 180             <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>
 181             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 182             <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>
 183
 184         <span class="n">i</span> <span class="o">=</span>  <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;i&quot;</span><span class="p">,</span>
 185             <span class="s">&quot;Sets tcpdump -i option. &quot;</span>
 186             <span class="s">&quot;Listen on interface.  If unspecified, tcpdump searches the &quot;</span>
 187             <span class="s">&quot;system interface list for the lowest  numbered, configured &quot;</span>
 188             <span class="s">&quot;up interface (excluding loopback). &quot;</span><span class="p">,</span>
 189             <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>
 190
 191         <span class="n">I</span> <span class="o">=</span>  <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;I&quot;</span><span class="p">,</span>
 192             <span class="s">&quot;Sets tcpdump -I option. &quot;</span>
 193             <span class="s">&quot;Put the interface in &#39;monitor mode&#39;; this is supported only &quot;</span>
 194             <span class="s">&quot;on IEEE 802.11 Wi-Fi interfaces, and supported only on some &quot;</span>
 195             <span class="s">&quot;operating systems. &quot;</span><span class="p">,</span>
 196             <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>
 197             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 198             <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>
 199
 200         <span class="n">j</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;j&quot;</span><span class="p">,</span>
 201             <span class="s">&quot;Sets tcpdump -j option. &quot;</span>
 202             <span class="s">&quot;Sets the time stamp type for the capture to tstamp_type. &quot;</span>
 203             <span class="s">&quot;The names to use for the time stamp types are given in &quot;</span>
 204             <span class="s">&quot;pcap-tstamp-type(7); not all the types listed there will &quot;</span>
 205             <span class="s">&quot;necessarily be valid for any given interface.&quot;</span><span class="p">,</span>
 206             <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>
 207
 208         <span class="n">K</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;K&quot;</span><span class="p">,</span>
 209             <span class="s">&quot;Sets tcpdump -K option. &quot;</span>
 210             <span class="s">&quot;Don&#39;t attempt to verify IP, TCP, or UDP checksums. &quot;</span><span class="p">,</span>
 211             <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>
 212             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 213             <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>
 214
 215         <span class="n">l</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;l&quot;</span><span class="p">,</span>
 216             <span class="s">&quot;Sets tcpdump -l option. &quot;</span>
 217             <span class="s">&quot;Make stdout line buffered. &quot;</span><span class="p">,</span>
 218             <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>
 219             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 220             <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>
 221
 222         <span class="n">U</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;U&quot;</span><span class="p">,</span>
 223             <span class="s">&quot;Sets tcpdump -U option. &quot;</span>
 224             <span class="s">&quot;Similar to -l in its behavior, but it will cause output to be &quot;</span>
 225             <span class="s">&quot;``packet-buffered&#39;&#39;, so that the output is written to stdout &quot;</span>
 226             <span class="s">&quot;at the end of each packet. &quot;</span><span class="p">,</span>
 227             <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>
 228             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 229             <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>
 230
 231         <span class="n">n</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;n&quot;</span><span class="p">,</span>
 232             <span class="s">&quot;Sets tcpdump -n option. &quot;</span>
 233             <span class="s">&quot;Don&#39;t convert addresses (i.e., host addresses, port numbers, &quot;</span>
 234             <span class="s">&quot;etc.) to names.&quot;</span><span class="p">,</span>
 235             <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>
 236             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 237             <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>
 238
 239         <span class="n">N</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;N&quot;</span><span class="p">,</span>
 240             <span class="s">&quot;Sets tcpdump -N option. &quot;</span>
 241             <span class="s">&quot;Don&#39;t  print domain name qualification of host names. &quot;</span>
 242             <span class="s">&quot;E.g., if you give this flag then tcpdump will print ``nic&#39;&#39; &quot;</span>
 243             <span class="s">&quot;instead of ``nic.ddn.mil&#39;&#39;.&quot;</span><span class="p">,</span>
 244             <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>
 245             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 246             <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>
 247
 248         <span class="n">S</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;S&quot;</span><span class="p">,</span>
 249             <span class="s">&quot;Sets tcpdump -S option. &quot;</span>
 250             <span class="s">&quot;Print absolute, rather than relative, TCP sequence numbers.&quot;</span><span class="p">,</span>
 251             <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>
 252             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 253             <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>
 254
 255         <span class="n">s</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;s&quot;</span><span class="p">,</span>
 256             <span class="s">&quot;Sets tcpdump -s option. &quot;</span>
 257             <span class="s">&quot;Snarf  snaplen bytes of data from each packet rather than &quot;</span>
 258             <span class="s">&quot;the default of 65535 bytes. &quot;</span><span class="p">,</span>
 259             <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>
 260
 261         <span class="n">T</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;T&quot;</span><span class="p">,</span>
 262             <span class="s">&quot;Sets tcpdump -T option. &quot;</span>
 263              <span class="s">&quot;Force packets selected by &#39;expression&#39; to be interpreted the &quot;</span>
 264              <span class="s">&quot;specified type.  Currently known types are aodv  (Ad-hoc &quot;</span>
 265              <span class="s">&quot;On-demand  Distance Vector protocol), cnfp (Cisco NetFlow &quot;</span>
 266              <span class="s">&quot;protocol), rpc (Remote Procedure Call), rtp (Real-Time &quot;</span>
 267              <span class="s">&quot;Applications protocol), rtcp (Real-Time Applications control &quot;</span>
 268              <span class="s">&quot;protocol), snmp (Simple Network Management Protocol), tftp &quot;</span>
 269              <span class="s">&quot;(Trivial  File Transfer Protocol), vat (Visual Audio Tool), &quot;</span>
 270              <span class="s">&quot;and wb (distributed White Board).&quot;</span><span class="p">,</span>
 271             <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>
 272
 273         <span class="n">t</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;t&quot;</span><span class="p">,</span>
 274             <span class="s">&quot;Sets tcpdump -t option. &quot;</span>
 275             <span class="s">&quot;Don&#39;t print a timestamp on each dump line.&quot;</span><span class="p">,</span>
 276             <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>
 277             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 278             <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>
 279
 280         <span class="n">tt</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;tt&quot;</span><span class="p">,</span>
 281             <span class="s">&quot;Sets tcpdump -tt option. &quot;</span>
 282             <span class="s">&quot;Print an unformatted timestamp on each dump line. &quot;</span><span class="p">,</span>
 283             <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>
 284             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 285             <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>
 286
 287         <span class="n">ttt</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;ttt&quot;</span><span class="p">,</span>
 288             <span class="s">&quot;Sets tcpdump -ttt option. &quot;</span>
 289             <span class="s">&quot;Print a delta (micro-second resolution) between current &quot;</span>
 290             <span class="s">&quot;and previous line on each dump line.&quot;</span><span class="p">,</span>
 291             <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>
 292             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 293             <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>
 294
 295         <span class="n">tttt</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;tttt&quot;</span><span class="p">,</span>
 296             <span class="s">&quot;Sets tcpdump -tttt option. &quot;</span>
 297             <span class="s">&quot;Print a timestamp in default format proceeded by date on &quot;</span>
 298             <span class="s">&quot;each dump line. &quot;</span><span class="p">,</span>
 299             <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>
 300             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 301             <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>
 302
 303         <span class="n">ttttt</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;ttttt&quot;</span><span class="p">,</span>
 304             <span class="s">&quot;Sets tcpdump -ttttt option. &quot;</span>
 305             <span class="s">&quot;Print a delta (micro-second resolution) between current and &quot;</span>
 306             <span class="s">&quot;first line on each dump line.&quot;</span><span class="p">,</span>
 307             <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>
 308             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 309             <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>
 310
 311         <span class="n">v</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;v&quot;</span><span class="p">,</span>
 312             <span class="s">&quot;Sets tcpdump -v option. &quot;</span>
 313             <span class="s">&quot;When  parsing  and printing, produce (slightly more) &quot;</span>
 314             <span class="s">&quot;verbose output. &quot;</span><span class="p">,</span>
 315             <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>
 316             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 317             <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>
 318
 319         <span class="n">vv</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;vv&quot;</span><span class="p">,</span>
 320             <span class="s">&quot;Sets tcpdump -vv option. &quot;</span>
 321             <span class="s">&quot;Even  more  verbose  output. &quot;</span><span class="p">,</span>
 322             <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>
 323             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 324             <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>
 325
 326         <span class="n">vvv</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;vvv&quot;</span><span class="p">,</span>
 327             <span class="s">&quot;Sets tcpdump -vv option. &quot;</span>
 328             <span class="s">&quot;Even  more  verbose  output. &quot;</span><span class="p">,</span>
 329             <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>
 330             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 331             <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>
 332
 333         <span class="n">w</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;w&quot;</span><span class="p">,</span>
 334             <span class="s">&quot;Sets tcpdump -w option. &quot;</span>
 335             <span class="s">&quot;Write  the  raw  packets to file rather than parsing &quot;</span>
 336             <span class="s">&quot;and printing them out.&quot;</span><span class="p">,</span>
 337             <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>
 338             <span class="n">default</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 339             <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>
 340
 341         <span class="n">expression</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;expression&quot;</span><span class="p">,</span>
 342             <span class="s">&quot;selects  which packets will be dumped.&quot;</span><span class="p">,</span>
 343             <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>
 344
 345         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">A</span><span class="p">)</span>
 346         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">b</span><span class="p">)</span>
 347         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">B</span><span class="p">)</span>
 348         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">c</span><span class="p">)</span>
 349         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">C</span><span class="p">)</span>
 350         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">d</span><span class="p">)</span>
 351         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">dd</span><span class="p">)</span>
 352         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">ddd</span><span class="p">)</span>
 353         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">D</span><span class="p">)</span>
 354         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">e</span><span class="p">)</span>
 355         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">F</span><span class="p">)</span>
 356         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">G</span><span class="p">)</span>
 357         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">i</span><span class="p">)</span>
 358         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">I</span><span class="p">)</span>
 359         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">j</span><span class="p">)</span>
 360         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">K</span><span class="p">)</span>
 361         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">l</span><span class="p">)</span>
 362         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">U</span><span class="p">)</span>
 363         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">n</span><span class="p">)</span>
 364         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">N</span><span class="p">)</span>
 365         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">S</span><span class="p">)</span>
 366         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">s</span><span class="p">)</span>
 367         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">T</span><span class="p">)</span>
 368         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">t</span><span class="p">)</span>
 369         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">tt</span><span class="p">)</span>
 370         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">ttt</span><span class="p">)</span>
 371         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">tttt</span><span class="p">)</span>
 372         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">ttttt</span><span class="p">)</span>
 373         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">v</span><span class="p">)</span>
 374         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">vv</span><span class="p">)</span>
 375         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">vvv</span><span class="p">)</span>
 376         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">w</span><span class="p">)</span>
 377         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
 378
 379     <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>
 380         <span class="nb">super</span><span class="p">(</span><span class="n">LinuxTcpdump</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>
 381         <span class="bp">self</span><span class="o">.</span><span class="n">_home</span> <span class="o">=</span> <span class="s">&quot;tcpdump-</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">guid</span>
 382         <span class="bp">self</span><span class="o">.</span><span class="n">_sudo_kill</span> <span class="o">=</span> <span class="bp">True</span>
 383
 384 <div class="viewcode-block" id="LinuxTcpdump.do_deploy"><a class="viewcode-back" href="../../../../_layout/nepi.resources.linux.html#nepi.resources.linux.tcpdump.LinuxTcpdump.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>
 385         <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;command&quot;</span><span class="p">):</span>
 386             <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">&quot;command&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_start_command</span><span class="p">)</span>
 387
 388         <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;env&quot;</span><span class="p">):</span>
 389             <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">&quot;env&quot;</span><span class="p">,</span> <span class="s">&quot;PATH=$PATH:/usr/sbin/&quot;</span><span class="p">)</span>
 390
 391         <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;depends&quot;</span><span class="p">):</span>
 392             <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">&quot;depends&quot;</span><span class="p">,</span> <span class="s">&quot;tcpdump&quot;</span><span class="p">)</span>
 393
 394         <span class="nb">super</span><span class="p">(</span><span class="n">LinuxTcpdump</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>
 395 </div>
 396     <span class="nd">@property</span>
 397     <span class="k">def</span> <span class="nf">_start_command</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 398         <span class="n">args</span> <span class="o">=</span> <span class="p">[]</span>
 399         <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;sudo -S tcpdump&quot;</span><span class="p">)</span>
 400         <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;A&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 401             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-A&quot;</span><span class="p">)</span>
 402         <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;b&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 403             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-b&quot;</span><span class="p">)</span>
 404         <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;B&quot;</span><span class="p">):</span>
 405             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-B </span><span class="si">%s</span><span class="s">&quot;</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;B&quot;</span><span class="p">))</span>
 406         <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;c&quot;</span><span class="p">):</span>
 407             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-c </span><span class="si">%s</span><span class="s">&quot;</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;c&quot;</span><span class="p">))</span>
 408         <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;C&quot;</span><span class="p">):</span>
 409             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-C </span><span class="si">%s</span><span class="s">&quot;</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;C&quot;</span><span class="p">))</span>
 410         <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;d&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 411             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-d&quot;</span><span class="p">)</span>
 412         <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;dd&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 413             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-dd&quot;</span><span class="p">)</span>
 414         <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;ddd&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 415             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-ddd&quot;</span><span class="p">)</span>
 416         <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;D&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 417             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-D&quot;</span><span class="p">)</span>
 418         <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;e&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 419             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-e&quot;</span><span class="p">)</span>
 420         <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;F&quot;</span><span class="p">):</span>
 421             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-F </span><span class="si">%s</span><span class="s">&quot;</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;F&quot;</span><span class="p">))</span>
 422         <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;G&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 423             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-G&quot;</span><span class="p">)</span>
 424         <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;i&quot;</span><span class="p">):</span>
 425             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-i </span><span class="si">%s</span><span class="s">&quot;</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;i&quot;</span><span class="p">))</span>
 426         <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;I&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 427             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-I&quot;</span><span class="p">)</span>
 428         <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;j&quot;</span><span class="p">):</span>
 429             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-j </span><span class="si">%s</span><span class="s">&quot;</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;j&quot;</span><span class="p">))</span>
 430         <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;K&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 431             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-K&quot;</span><span class="p">)</span>
 432         <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;l&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 433             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-l&quot;</span><span class="p">)</span>
 434         <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;U&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 435             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-U&quot;</span><span class="p">)</span>
 436         <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;n&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 437             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-n&quot;</span><span class="p">)</span>
 438         <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;N&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 439             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-N&quot;</span><span class="p">)</span>
 440         <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;S&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 441             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-S&quot;</span><span class="p">)</span>
 442         <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;s&quot;</span><span class="p">):</span>
 443             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-s </span><span class="si">%s</span><span class="s">&quot;</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;s&quot;</span><span class="p">))</span>
 444         <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;T&quot;</span><span class="p">):</span>
 445             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-T </span><span class="si">%s</span><span class="s">&quot;</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;T&quot;</span><span class="p">))</span>
 446         <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;t&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 447             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-t&quot;</span><span class="p">)</span>
 448         <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;tt&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 449             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-tt&quot;</span><span class="p">)</span>
 450         <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;ttt&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 451             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-ttt&quot;</span><span class="p">)</span>
 452         <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;tttt&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 453             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-tttt&quot;</span><span class="p">)</span>
 454         <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;ttttt&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 455             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-ttttt&quot;</span><span class="p">)</span>
 456         <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;v&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 457             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-v&quot;</span><span class="p">)</span>
 458         <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;vv&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 459             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-vv&quot;</span><span class="p">)</span>
 460         <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;vvv&quot;</span><span class="p">)</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
 461             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-vvv&quot;</span><span class="p">)</span>
 462         <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;w&quot;</span><span class="p">):</span>
 463             <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">&quot;-w </span><span class="si">%s</span><span class="s">&quot;</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;w&quot;</span><span class="p">))</span>
 464         <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;expression&quot;</span><span class="p">):</span>
 465             <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">&quot;expression&quot;</span><span class="p">))</span>
 466
 467         <span class="n">command</span> <span class="o">=</span> <span class="s">&quot; &quot;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">args</span><span class="p">)</span>
 468
 469         <span class="k">return</span> <span class="n">command</span>
 470
 471 <div class="viewcode-block" id="LinuxTcpdump.valid_connection"><a class="viewcode-back" href="../../../../_layout/nepi.resources.linux.html#nepi.resources.linux.tcpdump.LinuxTcpdump.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>
 472         <span class="c"># TODO: Validate!</span>
 473         <span class="k">return</span> <span class="bp">True</span>
 474 </pre></div></div></div>
 475
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