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66 <h1>Source code for nepi.resources.ns3.ns3dceapplication</h1><div class="highlight"><pre>
67 <span class="c">#</span>
68 <span class="c"># NEPI, a framework to manage network experiments</span>
69 <span class="c"># Copyright (C) 2014 INRIA</span>
70 <span class="c">#</span>
71 <span class="c"># This program is free software: you can redistribute it and/or modify</span>
72 <span class="c"># it under the terms of the GNU General Public License version 2 as</span>
73 <span class="c"># published by the Free Software Foundation;</span>
74 <span class="c">#</span>
75 <span class="c"># This program is distributed in the hope that it will be useful,</span>
76 <span class="c"># but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
77 <span class="c"># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
78 <span class="c"># GNU General Public License for more details.</span>
79 <span class="c">#</span>
80 <span class="c"># You should have received a copy of the GNU General Public License</span>
81 <span class="c"># along with this program. If not, see <http://www.gnu.org/licenses/>.</span>
82 <span class="c">#</span>
83 <span class="c"># Author: Alina Quereilhac <alina.quereilhac@inria.fr></span>
85 <span class="kn">from</span> <span class="nn">nepi.execution.attribute</span> <span class="kn">import</span> <span class="n">Attribute</span><span class="p">,</span> <span class="n">Flags</span><span class="p">,</span> <span class="n">Types</span>
86 <span class="kn">from</span> <span class="nn">nepi.execution.resource</span> <span class="kn">import</span> <span class="n">clsinit_copy</span><span class="p">,</span> <span class="n">ResourceState</span>
87 <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3application</span> <span class="kn">import</span> <span class="n">NS3BaseApplication</span>
88 <span class="kn">from</span> <span class="nn">nepi.execution.trace</span> <span class="kn">import</span> <span class="n">TraceAttr</span>
90 <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3wrapper</span> <span class="kn">import</span> <span class="n">SIMULATOR_UUID</span>
92 <span class="kn">import</span> <span class="nn">os</span>
93 <span class="kn">import</span> <span class="nn">time</span>
94 <span class="kn">import</span> <span class="nn">threading</span>
96 <span class="nd">@clsinit_copy</span>
97 <div class="viewcode-block" id="NS3BaseDceApplication"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3dceapplication.NS3BaseDceApplication">[docs]</a><span class="k">class</span> <span class="nc">NS3BaseDceApplication</span><span class="p">(</span><span class="n">NS3BaseApplication</span><span class="p">):</span>
98 <span class="n">_rtype</span> <span class="o">=</span> <span class="s">"abstract::ns3::DceApplication"</span>
100 <span class="nd">@classmethod</span>
101 <span class="k">def</span> <span class="nf">_register_attributes</span><span class="p">(</span><span class="n">cls</span><span class="p">):</span>
102 <span class="n">binary</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"binary"</span><span class="p">,</span>
103 <span class="s">"Name of binary to execute"</span><span class="p">,</span>
104 <span class="n">flags</span> <span class="o">=</span> <span class="n">Flags</span><span class="o">.</span><span class="n">Design</span><span class="p">)</span>
106 <span class="n">stack_size</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"stackSize"</span><span class="p">,</span>
107 <span class="s">"Stack Size for DCE"</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">Integer</span><span class="p">,</span>
109 <span class="n">default</span> <span class="o">=</span> <span class="mi">1</span><span class="o"><<</span><span class="mi">20</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>
112 <span class="n">arguments</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"arguments"</span><span class="p">,</span>
113 <span class="s">"Semi-colon separated list of arguments for the application"</span><span class="p">,</span>
114 <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>
116 <span class="n">environment</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"environment"</span><span class="p">,</span>
117 <span class="s">"Semi-colon separated list of 'key=value' pairs to set as "</span>
118 <span class="s">"DCE environment variables."</span><span class="p">,</span>
119 <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>
121 <span class="n">use_dlm</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"useDlmLoader"</span><span class="p">,</span>
122 <span class="s">"Use ns3::DlmLoaderFactory as library loader"</span><span class="p">,</span>
123 <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>
124 <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>
126 <span class="n">starttime</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"StartTime"</span><span class="p">,</span>
127 <span class="s">"Time at which the application will start"</span><span class="p">,</span>
128 <span class="n">default</span> <span class="o">=</span> <span class="s">"+0.0ns"</span><span class="p">,</span>
129 <span class="n">flags</span> <span class="o">=</span> <span class="n">Flags</span><span class="o">.</span><span class="n">Reserved</span> <span class="o">|</span> <span class="n">Flags</span><span class="o">.</span><span class="n">Construct</span><span class="p">)</span>
131 <span class="n">stoptime</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"StopTime"</span><span class="p">,</span>
132 <span class="s">"Time at which the application will stop"</span><span class="p">,</span>
133 <span class="n">default</span> <span class="o">=</span> <span class="s">"+0.0ns"</span><span class="p">,</span>
134 <span class="n">flags</span> <span class="o">=</span> <span class="n">Flags</span><span class="o">.</span><span class="n">Reserved</span> <span class="o">|</span> <span class="n">Flags</span><span class="o">.</span><span class="n">Construct</span><span class="p">)</span>
136 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">binary</span><span class="p">)</span>
137 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">stack_size</span><span class="p">)</span>
138 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">arguments</span><span class="p">)</span>
139 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">environment</span><span class="p">)</span>
140 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">use_dlm</span><span class="p">)</span>
141 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">stoptime</span><span class="p">)</span>
142 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">starttime</span><span class="p">)</span>
144 <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>
145 <span class="nb">super</span><span class="p">(</span><span class="n">NS3BaseDceApplication</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>
146 <span class="bp">self</span><span class="o">.</span><span class="n">_pid</span> <span class="o">=</span> <span class="bp">None</span>
148 <span class="nd">@property</span>
149 <div class="viewcode-block" id="NS3BaseDceApplication.pid"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3dceapplication.NS3BaseDceApplication.pid">[docs]</a> <span class="k">def</span> <span class="nf">pid</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
150 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pid</span>
152 <span class="k">def</span> <span class="nf">_instantiate_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
153 <span class="k">pass</span>
155 <span class="k">def</span> <span class="nf">_connect_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
156 <span class="n">node</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span>
157 <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">uuid</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">connected</span><span class="p">:</span>
158 <span class="bp">self</span><span class="o">.</span><span class="n">_connected</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
160 <span class="c"># Preventing concurrent access to the DceApplicationHelper</span>
161 <span class="c"># from different DceApplication RMs</span>
162 <span class="n">dce_helper</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">dce_helper</span>
164 <span class="k">with</span> <span class="n">dce_helper</span><span class="o">.</span><span class="n">dce_application_lock</span><span class="p">:</span>
165 <span class="n">dce_app_uuid</span> <span class="o">=</span> <span class="n">dce_helper</span><span class="o">.</span><span class="n">dce_application_uuid</span>
167 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="n">dce_app_uuid</span><span class="p">,</span> <span class="s">"ResetArguments"</span><span class="p">)</span>
169 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="n">dce_app_uuid</span><span class="p">,</span> <span class="s">"ResetEnvironment"</span><span class="p">)</span>
171 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="n">dce_app_uuid</span><span class="p">,</span>
172 <span class="s">"SetBinary"</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">"binary"</span><span class="p">))</span>
174 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="n">dce_app_uuid</span><span class="p">,</span>
175 <span class="s">"SetStackSize"</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">"stackSize"</span><span class="p">))</span>
177 <span class="n">arguments</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"arguments"</span><span class="p">)</span>
178 <span class="k">if</span> <span class="n">arguments</span><span class="p">:</span>
179 <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="nb">map</span><span class="p">(</span><span class="nb">str</span><span class="o">.</span><span class="n">strip</span><span class="p">,</span> <span class="n">arguments</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">";"</span><span class="p">)):</span>
180 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="n">dce_app_uuid</span><span class="p">,</span>
181 <span class="s">"AddArgument"</span><span class="p">,</span> <span class="n">arg</span><span class="p">)</span>
183 <span class="n">environment</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">"environment"</span><span class="p">)</span>
184 <span class="k">if</span> <span class="n">environment</span><span class="p">:</span>
185 <span class="k">for</span> <span class="n">env</span> <span class="ow">in</span> <span class="nb">map</span><span class="p">(</span><span class="nb">str</span><span class="o">.</span><span class="n">strip</span><span class="p">,</span> <span class="n">environment</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">";"</span><span class="p">)):</span>
186 <span class="n">key</span><span class="p">,</span> <span class="n">val</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">"="</span><span class="p">)</span>
187 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="n">dce_app_uuid</span><span class="p">,</span>
188 <span class="s">"AddEnvironment"</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">val</span><span class="p">)</span>
190 <span class="n">apps_uuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="n">dce_app_uuid</span><span class="p">,</span>
191 <span class="s">"InstallInNode"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
193 <span class="bp">self</span><span class="o">.</span><span class="n">_uuid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="n">apps_uuid</span><span class="p">,</span> <span class="s">"Get"</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
195 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">has_changed</span><span class="p">(</span><span class="s">"StartTime"</span><span class="p">):</span>
196 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">ns3_set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">"StartTime"</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">"StartTime"</span><span class="p">))</span>
198 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">has_changed</span><span class="p">(</span><span class="s">"StopTime"</span><span class="p">):</span>
199 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">ns3_set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">"StopTime"</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">"StopTime"</span><span class="p">))</span>
201 <div class="viewcode-block" id="NS3BaseDceApplication.do_stop"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3dceapplication.NS3BaseDceApplication.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>
202 <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>
203 <span class="c"># No need to do anything, simulation.Destroy() will stop every object</span>
204 <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">"Stopping command '</span><span class="si">%s</span><span class="s">'"</span> <span class="o">%</span> <span class="n">command</span><span class="p">)</span>
205 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">"Stop"</span><span class="p">)</span>
206 <span class="bp">self</span><span class="o">.</span><span class="n">set_stopped</span><span class="p">()</span>
208 <div class="viewcode-block" id="NS3BaseDceApplication.do_start"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3dceapplication.NS3BaseDceApplication.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>
209 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</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>
210 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">"---- RESCHEDULING START ----"</span> <span class="p">)</span>
211 <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">start</span><span class="p">)</span>
212 <span class="k">else</span><span class="p">:</span>
213 <span class="n">is_app_started</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">"isAppStarted"</span><span class="p">)</span>
215 <span class="k">if</span> <span class="n">is_app_started</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</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>
216 <span class="nb">super</span><span class="p">(</span><span class="n">NS3BaseApplication</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">do_start</span><span class="p">()</span>
217 <span class="bp">self</span><span class="o">.</span><span class="n">_start_time</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">start_time</span>
218 <span class="k">else</span><span class="p">:</span>
219 <span class="c"># Reschedule until dce application is actually started</span>
220 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">"---- RESCHEDULING START ----"</span> <span class="p">)</span>
221 <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">start</span><span class="p">)</span>
223 <div class="viewcode-block" id="NS3BaseDceApplication.trace"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3dceapplication.NS3BaseDceApplication.trace">[docs]</a> <span class="k">def</span> <span class="nf">trace</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">attr</span> <span class="o">=</span> <span class="n">TraceAttr</span><span class="o">.</span><span class="n">ALL</span><span class="p">,</span> <span class="n">block</span> <span class="o">=</span> <span class="mi">512</span><span class="p">,</span> <span class="n">offset</span> <span class="o">=</span> <span class="mi">0</span><span class="p">):</span>
224 <span class="bp">self</span><span class="o">.</span><span class="n">_configure_traces</span><span class="p">()</span>
225 <span class="k">return</span> <span class="nb">super</span><span class="p">(</span><span class="n">NS3BaseDceApplication</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">trace</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">attr</span> <span class="o">=</span> <span class="n">attr</span><span class="p">,</span>
226 <span class="n">block</span> <span class="o">=</span> <span class="n">block</span><span class="p">,</span> <span class="n">offset</span> <span class="o">=</span> <span class="n">offset</span><span class="p">)</span>
228 <span class="k">def</span> <span class="nf">_configure_traces</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
229 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">pid</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
230 <span class="k">return</span>
232 <span class="c"># Using lock to prevent concurrent access to the DceApplicationHelper</span>
233 <span class="c"># from different DceApplication RMs</span>
234 <span class="n">dce_helper</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">dce_helper</span>
236 <span class="k">with</span> <span class="n">dce_helper</span><span class="o">.</span><span class="n">dce_application_lock</span><span class="p">:</span>
237 <span class="n">dce_app_uuid</span> <span class="o">=</span> <span class="n">dce_helper</span><span class="o">.</span><span class="n">dce_application_uuid</span>
239 <span class="bp">self</span><span class="o">.</span><span class="n">_pid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="n">dce_app_uuid</span><span class="p">,</span>
240 <span class="s">"GetPid"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
242 <span class="n">node_id</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">node_id</span>
243 <span class="bp">self</span><span class="o">.</span><span class="n">_trace_filename</span><span class="p">[</span><span class="s">"stdout"</span><span class="p">]</span> <span class="o">=</span> <span class="s">"files-</span><span class="si">%s</span><span class="s">/var/log/</span><span class="si">%s</span><span class="s">/stdout"</span> <span class="o">%</span> <span class="p">(</span><span class="n">node_id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">pid</span><span class="p">)</span>
244 <span class="bp">self</span><span class="o">.</span><span class="n">_trace_filename</span><span class="p">[</span><span class="s">"stderr"</span><span class="p">]</span> <span class="o">=</span> <span class="s">"files-</span><span class="si">%s</span><span class="s">/var/log/</span><span class="si">%s</span><span class="s">/stderr"</span> <span class="o">%</span> <span class="p">(</span><span class="n">node_id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">pid</span><span class="p">)</span>
245 <span class="bp">self</span><span class="o">.</span><span class="n">_trace_filename</span><span class="p">[</span><span class="s">"status"</span><span class="p">]</span> <span class="o">=</span> <span class="s">"files-</span><span class="si">%s</span><span class="s">/var/log/</span><span class="si">%s</span><span class="s">/status"</span> <span class="o">%</span> <span class="p">(</span><span class="n">node_id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">pid</span><span class="p">)</span>
246 <span class="bp">self</span><span class="o">.</span><span class="n">_trace_filename</span><span class="p">[</span><span class="s">"cmdline"</span><span class="p">]</span> <span class="o">=</span> <span class="s">"files-</span><span class="si">%s</span><span class="s">/var/log/</span><span class="si">%s</span><span class="s">/cmdline"</span> <span class="o">%</span> <span class="p">(</span><span class="n">node_id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">pid</span><span class="p">)</span>
252 <div class="clearer"></div>
254 <div class="related">
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