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  66   <h1>Source code for nepi.resources.linux.ccn.ccnd</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.trace</span> <span class="kn">import</span> <span class="n">Trace</span><span class="p">,</span> <span class="n">TraceAttr</span>
  87 <span class="kn">from</span> <span class="nn">nepi.execution.resource</span> <span class="kn">import</span> <span class="n">ResourceManager</span><span class="p">,</span> <span class="n">clsinit_copy</span><span class="p">,</span> \
  88         <span class="n">ResourceState</span>
  89 <span class="kn">from</span> <span class="nn">nepi.resources.linux.application</span> <span class="kn">import</span> <span class="n">LinuxApplication</span>
  90 <span class="kn">from</span> <span class="nn">nepi.resources.linux.node</span> <span class="kn">import</span> <span class="n">OSType</span>
  91 <span class="kn">from</span> <span class="nn">nepi.util.timefuncs</span> <span class="kn">import</span> <span class="n">tnow</span><span class="p">,</span> <span class="n">tdiffsec</span>
  92
  93 <span class="kn">import</span> <span class="nn">os</span>
  94
  95 <span class="c"># TODO: use ccndlogging to dynamically change the logging level</span>
  96
  97
  98 <span class="nd">@clsinit_copy</span>
  99 <div class="viewcode-block" id="LinuxCCND"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.ccnd.LinuxCCND">[docs]</a><span class="k">class</span> <span class="nc">LinuxCCND</span><span class="p">(</span><span class="n">LinuxApplication</span><span class="p">):</span>
 100     <span class="n">_rtype</span> <span class="o">=</span> <span class="s">&quot;linux::CCND&quot;</span>
 101
 102     <span class="nd">@classmethod</span>
 103     <span class="k">def</span> <span class="nf">_register_attributes</span><span class="p">(</span><span class="n">cls</span><span class="p">):</span>
 104         <span class="n">debug</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;debug&quot;</span><span class="p">,</span> <span class="s">&quot;Sets the CCND_DEBUG environmental variable. &quot;</span>
 105             <span class="s">&quot; Allowed values are : </span><span class="se">\n</span><span class="s">&quot;</span>
 106             <span class="s">&quot;  0 - no messages </span><span class="se">\n</span><span class="s">&quot;</span>
 107             <span class="s">&quot;  1 - basic messages (any non-zero value gets these) </span><span class="se">\n</span><span class="s">&quot;</span>
 108             <span class="s">&quot;  2 - interest messages </span><span class="se">\n</span><span class="s">&quot;</span>
 109             <span class="s">&quot;  4 - content messages </span><span class="se">\n</span><span class="s">&quot;</span>
 110             <span class="s">&quot;  8 - matching details </span><span class="se">\n</span><span class="s">&quot;</span>
 111             <span class="s">&quot;  16 - interest details </span><span class="se">\n</span><span class="s">&quot;</span>
 112             <span class="s">&quot;  32 - gory interest details </span><span class="se">\n</span><span class="s">&quot;</span>
 113             <span class="s">&quot;  64 - log occasional human-readable timestamps </span><span class="se">\n</span><span class="s">&quot;</span>
 114             <span class="s">&quot;  128 - face registration debugging </span><span class="se">\n</span><span class="s">&quot;</span>
 115             <span class="s">&quot;  -1 - max logging </span><span class="se">\n</span><span class="s">&quot;</span>
 116             <span class="s">&quot;  Or apply bitwise OR to these values to get combinations of them&quot;</span><span class="p">,</span>
 117             <span class="nb">type</span> <span class="o">=</span> <span class="n">Types</span><span class="o">.</span><span class="n">Integer</span><span class="p">,</span>
 118             <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>
 119
 120         <span class="n">port</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;port&quot;</span><span class="p">,</span> <span class="s">&quot;Sets the CCN_LOCAL_PORT environmental variable. &quot;</span>
 121             <span class="s">&quot;Defaults to 9695 &quot;</span><span class="p">,</span>
 122             <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>
 123
 124         <span class="n">sockname</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;sockname&quot;</span><span class="p">,</span>
 125             <span class="s">&quot;Sets the CCN_LOCAL_SCOKNAME environmental variable. &quot;</span>
 126             <span class="s">&quot;Defaults to /tmp/.ccnd.sock&quot;</span><span class="p">,</span>
 127             <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>
 128
 129         <span class="n">capacity</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;capacity&quot;</span><span class="p">,</span>
 130             <span class="s">&quot;Sets the CCND_CAP environmental variable. &quot;</span>
 131             <span class="s">&quot;Capacity limit in terms of ContentObjects&quot;</span><span class="p">,</span>
 132             <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>
 133
 134         <span class="n">mtu</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;mtu&quot;</span><span class="p">,</span> <span class="s">&quot;Sets the CCND_MTU environmental variable. &quot;</span><span class="p">,</span>
 135             <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>
 136
 137         <span class="n">data_pause</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;dataPauseMicrosec&quot;</span><span class="p">,</span>
 138             <span class="s">&quot;Sets the CCND_DATA_PAUSE_MICROSEC environmental variable. &quot;</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">default_stale</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;defaultTimeToStale&quot;</span><span class="p">,</span>
 142              <span class="s">&quot;Sets the CCND_DEFAULT_TIME_TO_STALE environmental variable. &quot;</span><span class="p">,</span>
 143             <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>
 144
 145         <span class="n">max_stale</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;maxTimeToStale&quot;</span><span class="p">,</span>
 146             <span class="s">&quot;Sets the CCND_MAX_TIME_TO_STALE environmental variable. &quot;</span><span class="p">,</span>
 147             <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>
 148
 149         <span class="n">max_rte</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;maxRteMicrosec&quot;</span><span class="p">,</span>
 150             <span class="s">&quot;Sets the CCND_MAX_RTE_MICROSEC environmental variable. &quot;</span><span class="p">,</span>
 151             <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>
 152
 153         <span class="n">keystore</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;keyStoreDirectory&quot;</span><span class="p">,</span>
 154             <span class="s">&quot;Sets the CCND_KEYSTORE_DIRECTORY environmental variable. &quot;</span><span class="p">,</span>
 155             <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>
 156
 157         <span class="n">listen_on</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;listenOn&quot;</span><span class="p">,</span>
 158             <span class="s">&quot;Sets the CCND_LISTEN_ON environmental variable. &quot;</span><span class="p">,</span>
 159             <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>
 160
 161         <span class="n">autoreg</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">&quot;autoreg&quot;</span><span class="p">,</span>
 162             <span class="s">&quot;Sets the CCND_AUTOREG environmental variable. &quot;</span><span class="p">,</span>
 163             <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>
 164
 165         <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>
 166             <span class="s">&quot;Sets the CCND_PREFIX environmental variable. &quot;</span><span class="p">,</span>
 167             <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>
 168
 169         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">debug</span><span class="p">)</span>
 170         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">port</span><span class="p">)</span>
 171         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">sockname</span><span class="p">)</span>
 172         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">capacity</span><span class="p">)</span>
 173         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">mtu</span><span class="p">)</span>
 174         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">data_pause</span><span class="p">)</span>
 175         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">default_stale</span><span class="p">)</span>
 176         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">max_stale</span><span class="p">)</span>
 177         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">max_rte</span><span class="p">)</span>
 178         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">keystore</span><span class="p">)</span>
 179         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">listen_on</span><span class="p">)</span>
 180         <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">autoreg</span><span class="p">)</span>
 181         <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>
 182
 183     <span class="nd">@classmethod</span>
 184     <span class="k">def</span> <span class="nf">_register_traces</span><span class="p">(</span><span class="n">cls</span><span class="p">):</span>
 185         <span class="n">log</span> <span class="o">=</span> <span class="n">Trace</span><span class="p">(</span><span class="s">&quot;log&quot;</span><span class="p">,</span> <span class="s">&quot;CCND log output&quot;</span><span class="p">)</span>
 186         <span class="n">status</span> <span class="o">=</span> <span class="n">Trace</span><span class="p">(</span><span class="s">&quot;status&quot;</span><span class="p">,</span> <span class="s">&quot;ccndstatus output&quot;</span><span class="p">)</span>
 187
 188         <span class="n">cls</span><span class="o">.</span><span class="n">_register_trace</span><span class="p">(</span><span class="n">log</span><span class="p">)</span>
 189         <span class="n">cls</span><span class="o">.</span><span class="n">_register_trace</span><span class="p">(</span><span class="n">status</span><span class="p">)</span>
 190
 191     <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>
 192         <span class="nb">super</span><span class="p">(</span><span class="n">LinuxCCND</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>
 193         <span class="bp">self</span><span class="o">.</span><span class="n">_home</span> <span class="o">=</span> <span class="s">&quot;ccnd-</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>
 194         <span class="bp">self</span><span class="o">.</span><span class="n">_version</span> <span class="o">=</span> <span class="s">&quot;ccnx&quot;</span>
 195
 196     <span class="nd">@property</span>
 197 <div class="viewcode-block" id="LinuxCCND.version"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.ccnd.LinuxCCND.version">[docs]</a>    <span class="k">def</span> <span class="nf">version</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 198         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_version</span>
 199 </div>
 200     <span class="nd">@property</span>
 201 <div class="viewcode-block" id="LinuxCCND.path"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.ccnd.LinuxCCND.path">[docs]</a>    <span class="k">def</span> <span class="nf">path</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 202         <span class="k">return</span> <span class="s">&quot;PATH=$PATH:${BIN}/</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">version</span>
 203 </div>
 204 <div class="viewcode-block" id="LinuxCCND.do_deploy"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.ccnd.LinuxCCND.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>
 205         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">state</span> <span class="o">&lt;</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">READY</span><span class="p">:</span>
 206             <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">&quot;---- RESCHEDULING DEPLOY ---- node state </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">node</span><span class="o">.</span><span class="n">state</span> <span class="p">)</span>
 207
 208             <span class="c"># ccnd needs to wait until node is deployed and running</span>
 209             <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">schedule</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">reschedule_delay</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">deploy</span><span class="p">)</span>
 210         <span class="k">else</span><span class="p">:</span>
 211             <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>
 212                 <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>
 213
 214             <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>
 215                 <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="bp">self</span><span class="o">.</span><span class="n">_dependencies</span><span class="p">)</span>
 216
 217             <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;sources&quot;</span><span class="p">):</span>
 218                 <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">&quot;sources&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_sources</span><span class="p">)</span>
 219
 220             <span class="n">sources</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;sources&quot;</span><span class="p">)</span>
 221             <span class="n">source</span> <span class="o">=</span> <span class="n">sources</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">&quot; &quot;</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
 222             <span class="n">basename</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">basename</span><span class="p">(</span><span class="n">source</span><span class="p">)</span>
 223             <span class="bp">self</span><span class="o">.</span><span class="n">_version</span> <span class="o">=</span> <span class="p">(</span> <span class="n">basename</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s">&quot;.tar.gz&quot;</span><span class="p">,</span> <span class="s">&quot;&quot;</span><span class="p">)</span>
 224                     <span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s">&quot;.tar&quot;</span><span class="p">,</span><span class="s">&quot;&quot;</span><span class="p">)</span>
 225                     <span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s">&quot;.gz&quot;</span><span class="p">,</span><span class="s">&quot;&quot;</span><span class="p">)</span>
 226                     <span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s">&quot;.zip&quot;</span><span class="p">,</span><span class="s">&quot;&quot;</span><span class="p">)</span> <span class="p">)</span>
 227
 228             <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;build&quot;</span><span class="p">):</span>
 229                 <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">&quot;build&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_build</span><span class="p">)</span>
 230
 231             <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;install&quot;</span><span class="p">):</span>
 232                 <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">&quot;install&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_install</span><span class="p">)</span>
 233
 234             <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>
 235                 <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="bp">self</span><span class="o">.</span><span class="n">_environment</span><span class="p">)</span>
 236
 237             <span class="n">command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&quot;command&quot;</span><span class="p">)</span>
 238
 239             <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">&quot;Deploying command &#39;</span><span class="si">%s</span><span class="s">&#39; &quot;</span> <span class="o">%</span> <span class="n">command</span><span class="p">)</span>
 240
 241             <span class="bp">self</span><span class="o">.</span><span class="n">do_discover</span><span class="p">()</span>
 242             <span class="bp">self</span><span class="o">.</span><span class="n">do_provision</span><span class="p">()</span>
 243
 244             <span class="bp">self</span><span class="o">.</span><span class="n">set_ready</span><span class="p">()</span>
 245 </div>
 246 <div class="viewcode-block" id="LinuxCCND.upload_start_command"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.ccnd.LinuxCCND.upload_start_command">[docs]</a>    <span class="k">def</span> <span class="nf">upload_start_command</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 247         <span class="n">command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&quot;command&quot;</span><span class="p">)</span>
 248         <span class="n">env</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;env&quot;</span><span class="p">)</span>
 249
 250         <span class="c"># We want to make sure the ccnd is running</span>
 251         <span class="c"># before the experiment starts.</span>
 252         <span class="c"># Run the command as a bash script in background,</span>
 253         <span class="c"># in the host ( but wait until the command has</span>
 254         <span class="c"># finished to continue )</span>
 255         <span class="n">env</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">replace_paths</span><span class="p">(</span><span class="n">env</span><span class="p">)</span>
 256         <span class="n">command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">replace_paths</span><span class="p">(</span><span class="n">command</span><span class="p">)</span>
 257
 258         <span class="n">shfile</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app_home</span><span class="p">,</span> <span class="s">&quot;start.sh&quot;</span><span class="p">)</span>
 259         <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">run_and_wait</span><span class="p">(</span><span class="n">command</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">run_home</span><span class="p">,</span>
 260                 <span class="n">shfile</span> <span class="o">=</span> <span class="n">shfile</span><span class="p">,</span>
 261                 <span class="n">overwrite</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 262                 <span class="n">env</span> <span class="o">=</span> <span class="n">env</span><span class="p">)</span>
 263 </div>
 264 <div class="viewcode-block" id="LinuxCCND.do_start"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.ccnd.LinuxCCND.do_start">[docs]</a>    <span class="k">def</span> <span class="nf">do_start</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 265         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">state</span> <span class="o">==</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">READY</span><span class="p">:</span>
 266             <span class="n">command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&quot;command&quot;</span><span class="p">)</span>
 267             <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">&quot;Starting command &#39;</span><span class="si">%s</span><span class="s">&#39;&quot;</span> <span class="o">%</span> <span class="n">command</span><span class="p">)</span>
 268
 269             <span class="bp">self</span><span class="o">.</span><span class="n">set_started</span><span class="p">()</span>
 270         <span class="k">else</span><span class="p">:</span>
 271             <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot; Failed to execute command &#39;</span><span class="si">%s</span><span class="s">&#39;&quot;</span> <span class="o">%</span> <span class="n">command</span>
 272             <span class="bp">self</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">,</span> <span class="n">out</span><span class="p">,</span> <span class="n">err</span><span class="p">)</span>
 273             <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
 274 </div>
 275 <div class="viewcode-block" id="LinuxCCND.do_stop"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.ccnd.LinuxCCND.do_stop">[docs]</a>    <span class="k">def</span> <span class="nf">do_stop</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 276         <span class="n">command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&#39;command&#39;</span><span class="p">)</span> <span class="ow">or</span> <span class="s">&#39;&#39;</span>
 277
 278         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">state</span> <span class="o">==</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">STARTED</span><span class="p">:</span>
 279             <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">&quot;Stopping command &#39;</span><span class="si">%s</span><span class="s">&#39;&quot;</span> <span class="o">%</span> <span class="n">command</span><span class="p">)</span>
 280
 281             <span class="n">command</span> <span class="o">=</span> <span class="s">&quot;ccndstop&quot;</span>
 282             <span class="n">env</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;env&quot;</span><span class="p">)</span>
 283
 284             <span class="c"># replace application specific paths in the command</span>
 285             <span class="n">command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">replace_paths</span><span class="p">(</span><span class="n">command</span><span class="p">)</span>
 286             <span class="n">env</span> <span class="o">=</span> <span class="n">env</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">replace_paths</span><span class="p">(</span><span class="n">env</span><span class="p">)</span>
 287
 288             <span class="c"># Upload the command to a file, and execute asynchronously</span>
 289             <span class="n">shfile</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app_home</span><span class="p">,</span> <span class="s">&quot;stop.sh&quot;</span><span class="p">)</span>
 290             <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">run_and_wait</span><span class="p">(</span><span class="n">command</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">run_home</span><span class="p">,</span>
 291                         <span class="n">shfile</span> <span class="o">=</span> <span class="n">shfile</span><span class="p">,</span>
 292                         <span class="n">overwrite</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
 293                         <span class="n">env</span> <span class="o">=</span> <span class="n">env</span><span class="p">,</span>
 294                         <span class="n">pidfile</span> <span class="o">=</span> <span class="s">&quot;ccndstop_pidfile&quot;</span><span class="p">,</span>
 295                         <span class="n">ecodefile</span> <span class="o">=</span> <span class="s">&quot;ccndstop_exitcode&quot;</span><span class="p">,</span>
 296                         <span class="n">stdout</span> <span class="o">=</span> <span class="s">&quot;ccndstop_stdout&quot;</span><span class="p">,</span>
 297                         <span class="n">stderr</span> <span class="o">=</span> <span class="s">&quot;ccndstop_stderr&quot;</span><span class="p">)</span>
 298
 299             <span class="bp">self</span><span class="o">.</span><span class="n">set_stopped</span><span class="p">()</span>
 300     </div>
 301     <span class="nd">@property</span>
 302 <div class="viewcode-block" id="LinuxCCND.state"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.ccnd.LinuxCCND.state">[docs]</a>    <span class="k">def</span> <span class="nf">state</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 303         <span class="c"># First check if the ccnd has failed</span>
 304         <span class="n">state_check_delay</span> <span class="o">=</span> <span class="mf">0.5</span>
 305         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_state</span> <span class="o">==</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">STARTED</span> <span class="ow">and</span> \
 306                 <span class="n">tdiffsec</span><span class="p">(</span><span class="n">tnow</span><span class="p">(),</span> <span class="bp">self</span><span class="o">.</span><span class="n">_last_state_check</span><span class="p">)</span> <span class="o">&gt;</span> <span class="n">state_check_delay</span><span class="p">:</span>
 307             <span class="p">(</span><span class="n">out</span><span class="p">,</span> <span class="n">err</span><span class="p">),</span> <span class="n">proc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_ccndstatus</span><span class="p">()</span>
 308
 309             <span class="n">retcode</span> <span class="o">=</span> <span class="n">proc</span><span class="o">.</span><span class="n">poll</span><span class="p">()</span>
 310
 311             <span class="k">if</span> <span class="n">retcode</span> <span class="o">==</span> <span class="mi">1</span> <span class="ow">and</span> <span class="n">err</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="s">&quot;No such file or directory&quot;</span><span class="p">)</span> <span class="o">&gt;</span> <span class="o">-</span><span class="mi">1</span><span class="p">:</span>
 312                 <span class="c"># ccnd is not running (socket not found)</span>
 313                 <span class="bp">self</span><span class="o">.</span><span class="n">set_stopped</span><span class="p">()</span>
 314             <span class="k">elif</span> <span class="n">retcode</span><span class="p">:</span>
 315                 <span class="c"># other errors ...</span>
 316                 <span class="n">msg</span> <span class="o">=</span> <span class="s">&quot; Failed to execute command &#39;</span><span class="si">%s</span><span class="s">&#39;&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;command&quot;</span><span class="p">)</span>
 317                 <span class="bp">self</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">,</span> <span class="n">out</span><span class="p">,</span> <span class="n">err</span><span class="p">)</span>
 318                 <span class="bp">self</span><span class="o">.</span><span class="n">fail</span><span class="p">()</span>
 319
 320             <span class="bp">self</span><span class="o">.</span><span class="n">_last_state_check</span> <span class="o">=</span> <span class="n">tnow</span><span class="p">()</span>
 321
 322         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_state</span>
 323 </div>
 324     <span class="k">def</span> <span class="nf">_ccndstatus</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 325         <span class="n">env</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">&#39;env&#39;</span><span class="p">)</span> <span class="ow">or</span> <span class="s">&quot;&quot;</span>
 326         <span class="n">environ</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">format_environment</span><span class="p">(</span><span class="n">env</span><span class="p">,</span> <span class="n">inline</span> <span class="o">=</span> <span class="bp">True</span><span class="p">)</span>
 327         <span class="n">command</span> <span class="o">=</span> <span class="n">environ</span> <span class="o">+</span> <span class="s">&quot; ccndstatus&quot;</span>
 328         <span class="n">command</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">replace_paths</span><span class="p">(</span><span class="n">command</span><span class="p">)</span>
 329
 330         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">command</span><span class="p">)</span>
 331
 332     <span class="nd">@property</span>
 333     <span class="k">def</span> <span class="nf">_start_command</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 334         <span class="k">return</span> <span class="s">&quot;ccndstart&quot;</span>
 335
 336     <span class="nd">@property</span>
 337     <span class="k">def</span> <span class="nf">_dependencies</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 338         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">use_rpm</span><span class="p">:</span>
 339             <span class="k">return</span> <span class="p">(</span> <span class="s">&quot; autoconf openssl-devel  expat-devel libpcap-devel &quot;</span>
 340                 <span class="s">&quot; ecryptfs-utils-devel libxml2-devel automake gawk &quot;</span>
 341                 <span class="s">&quot; gcc gcc-c++ git pcre-devel make &quot;</span><span class="p">)</span>
 342         <span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">use_deb</span><span class="p">:</span>
 343             <span class="k">return</span> <span class="p">(</span> <span class="s">&quot; autoconf libssl-dev libexpat-dev libpcap-dev &quot;</span>
 344                 <span class="s">&quot; libecryptfs0 libxml2-utils automake gawk gcc g++ &quot;</span>
 345                 <span class="s">&quot; git-core pkg-config libpcre3-dev make &quot;</span><span class="p">)</span>
 346         <span class="k">return</span> <span class="s">&quot;&quot;</span>
 347
 348     <span class="nd">@property</span>
 349     <span class="k">def</span> <span class="nf">_sources</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 350         <span class="k">return</span> <span class="s">&quot;http://www.ccnx.org/releases/ccnx-0.8.2.tar.gz&quot;</span>
 351
 352     <span class="nd">@property</span>
 353     <span class="k">def</span> <span class="nf">_build</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 354         <span class="n">sources</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;sources&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">&quot; &quot;</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
 355         <span class="n">sources</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">basename</span><span class="p">(</span><span class="n">sources</span><span class="p">)</span>
 356
 357         <span class="k">return</span> <span class="p">(</span>
 358             <span class="c"># Evaluate if ccnx binaries are already installed</span>
 359             <span class="s">&quot; ( &quot;</span>
 360                 <span class="s">&quot; test -f ${BIN}/</span><span class="si">%(version)s</span><span class="s">/ccnd &amp;&amp; &quot;</span>
 361                 <span class="s">&quot; echo &#39;binaries found, nothing to do&#39; &quot;</span>
 362             <span class="s">&quot; ) || ( &quot;</span>
 363             <span class="c"># If not, untar and build</span>
 364                 <span class="s">&quot; ( &quot;</span>
 365                     <span class="s">&quot; mkdir -p ${SRC}/</span><span class="si">%(version)s</span><span class="s"> &amp;&amp; &quot;</span>
 366                     <span class="s">&quot; tar xf ${SRC}/</span><span class="si">%(sources)s</span><span class="s"> --strip-components=1 -C ${SRC}/</span><span class="si">%(version)s</span><span class="s"> &quot;</span>
 367                  <span class="s">&quot; ) &amp;&amp; &quot;</span>
 368                     <span class="s">&quot;cd ${SRC}/</span><span class="si">%(version)s</span><span class="s"> &amp;&amp; &quot;</span>
 369                     <span class="c"># Just execute and silence warnings...</span>
 370                     <span class="s">&quot; ( ./configure &amp;&amp; make ) &quot;</span>
 371              <span class="s">&quot; )&quot;</span><span class="p">)</span> <span class="o">%</span> <span class="p">({</span> <span class="s">&#39;sources&#39;</span><span class="p">:</span> <span class="n">sources</span><span class="p">,</span>
 372                         <span class="s">&#39;version&#39;</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">version</span>
 373                  <span class="p">})</span>
 374
 375     <span class="nd">@property</span>
 376     <span class="k">def</span> <span class="nf">_install</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 377         <span class="k">return</span> <span class="p">(</span>
 378             <span class="c"># Evaluate if ccnx binaries are already installed</span>
 379             <span class="s">&quot; ( &quot;</span>
 380                 <span class="s">&quot; test -f ${BIN}/</span><span class="si">%(version)s</span><span class="s">/ccnd &amp;&amp; &quot;</span>
 381                 <span class="s">&quot; echo &#39;binaries found, nothing to do&#39; &quot;</span>
 382             <span class="s">&quot; ) || ( &quot;</span>
 383             <span class="c"># If not, install</span>
 384                 <span class="s">&quot;  mkdir -p ${BIN}/</span><span class="si">%(version)s</span><span class="s"> &amp;&amp; &quot;</span>
 385                 <span class="s">&quot;  mv ${SRC}/</span><span class="si">%(version)s</span><span class="s">/bin/* ${BIN}/</span><span class="si">%(version)s</span><span class="s">/ &quot;</span>
 386             <span class="s">&quot; )&quot;</span>
 387             <span class="p">)</span> <span class="o">%</span> <span class="p">({</span> <span class="s">&#39;version&#39;</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">version</span>
 388                  <span class="p">})</span>
 389
 390     <span class="nd">@property</span>
 391     <span class="k">def</span> <span class="nf">_environment</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 392         <span class="n">envs</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">({</span>
 393             <span class="s">&quot;debug&quot;</span><span class="p">:</span> <span class="s">&quot;CCND_DEBUG&quot;</span><span class="p">,</span>
 394             <span class="s">&quot;port&quot;</span><span class="p">:</span> <span class="s">&quot;CCN_LOCAL_PORT&quot;</span><span class="p">,</span>
 395             <span class="s">&quot;sockname&quot;</span> <span class="p">:</span> <span class="s">&quot;CCN_LOCAL_SOCKNAME&quot;</span><span class="p">,</span>
 396             <span class="s">&quot;capacity&quot;</span> <span class="p">:</span> <span class="s">&quot;CCND_CAP&quot;</span><span class="p">,</span>
 397             <span class="s">&quot;mtu&quot;</span> <span class="p">:</span> <span class="s">&quot;CCND_MTU&quot;</span><span class="p">,</span>
 398             <span class="s">&quot;dataPauseMicrosec&quot;</span> <span class="p">:</span> <span class="s">&quot;CCND_DATA_PAUSE_MICROSEC&quot;</span><span class="p">,</span>
 399             <span class="s">&quot;defaultTimeToStale&quot;</span> <span class="p">:</span> <span class="s">&quot;CCND_DEFAULT_TIME_TO_STALE&quot;</span><span class="p">,</span>
 400             <span class="s">&quot;maxTimeToStale&quot;</span> <span class="p">:</span> <span class="s">&quot;CCND_MAX_TIME_TO_STALE&quot;</span><span class="p">,</span>
 401             <span class="s">&quot;maxRteMicrosec&quot;</span> <span class="p">:</span> <span class="s">&quot;CCND_MAX_RTE_MICROSEC&quot;</span><span class="p">,</span>
 402             <span class="s">&quot;keyStoreDirectory&quot;</span> <span class="p">:</span> <span class="s">&quot;CCND_KEYSTORE_DIRECTORY&quot;</span><span class="p">,</span>
 403             <span class="s">&quot;listenOn&quot;</span> <span class="p">:</span> <span class="s">&quot;CCND_LISTEN_ON&quot;</span><span class="p">,</span>
 404             <span class="s">&quot;autoreg&quot;</span> <span class="p">:</span> <span class="s">&quot;CCND_AUTOREG&quot;</span><span class="p">,</span>
 405             <span class="s">&quot;prefix&quot;</span> <span class="p">:</span> <span class="s">&quot;CCND_PREFIX&quot;</span><span class="p">,</span>
 406             <span class="p">})</span>
 407
 408         <span class="n">env</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">path</span>
 409         <span class="n">env</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="nb">map</span><span class="p">(</span><span class="k">lambda</span> <span class="n">k</span><span class="p">:</span> <span class="s">&quot;</span><span class="si">%s</span><span class="s">=</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">envs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">k</span><span class="p">),</span> <span class="nb">str</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="n">k</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="n">k</span><span class="p">)</span> <span class="k">else</span> <span class="s">&quot;&quot;</span><span class="p">,</span> <span class="n">envs</span><span class="o">.</span><span class="n">keys</span><span class="p">()))</span>
 411
 412         <span class="k">return</span> <span class="n">env</span>
 413
 414 <div class="viewcode-block" id="LinuxCCND.valid_connection"><a class="viewcode-back" href="../../../../../_layout/nepi.resources.linux.ccn.html#nepi.resources.linux.ccn.ccnd.LinuxCCND.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>
 415         <span class="c"># TODO: Validate!</span>
 416         <span class="k">return</span> <span class="bp">True</span>
 417 </pre></div></div></div>
 418
 419           </div>
 420         </div>
 421       </div>
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 423     </div>
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 425       <h3>Navigation</h3>
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