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66 <h1>Source code for nepi.resources.ns3.ns3base</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.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> \
86 <span class="n">ResourceState</span>
87 <span class="kn">from</span> <span class="nn">nepi.execution.attribute</span> <span class="kn">import</span> <span class="n">Flags</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="nd">@clsinit_copy</span>
91 <div class="viewcode-block" id="NS3Base"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base">[docs]</a><span class="k">class</span> <span class="nc">NS3Base</span><span class="p">(</span><span class="n">ResourceManager</span><span class="p">):</span>
92 <span class="n">_rtype</span> <span class="o">=</span> <span class="s">"abstract::ns3::Object"</span>
93 <span class="n">_platform</span> <span class="o">=</span> <span class="s">"ns3"</span>
95 <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>
96 <span class="nb">super</span><span class="p">(</span><span class="n">NS3Base</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>
97 <span class="bp">self</span><span class="o">.</span><span class="n">_uuid</span> <span class="o">=</span> <span class="bp">None</span>
98 <span class="bp">self</span><span class="o">.</span><span class="n">_connected</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
99 <span class="bp">self</span><span class="o">.</span><span class="n">_trace_filename</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
100 <span class="bp">self</span><span class="o">.</span><span class="n">_node</span> <span class="o">=</span> <span class="bp">None</span>
102 <span class="nd">@property</span>
103 <div class="viewcode-block" id="NS3Base.connected"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base.connected">[docs]</a> <span class="k">def</span> <span class="nf">connected</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
104 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_connected</span>
106 <span class="nd">@property</span>
107 <div class="viewcode-block" id="NS3Base.uuid"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base.uuid">[docs]</a> <span class="k">def</span> <span class="nf">uuid</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
108 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_uuid</span>
110 <span class="nd">@property</span>
111 <div class="viewcode-block" id="NS3Base.simulation"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base.simulation">[docs]</a> <span class="k">def</span> <span class="nf">simulation</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
112 <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">simulation</span>
114 <span class="nd">@property</span>
115 <div class="viewcode-block" id="NS3Base.node"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base.node">[docs]</a> <span class="k">def</span> <span class="nf">node</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
116 <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="p">:</span>
117 <span class="kn">from</span> <span class="nn">nepi.resources.ns3.ns3node</span> <span class="kn">import</span> <span class="n">NS3BaseNode</span>
118 <span class="n">nodes</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_connected</span><span class="p">(</span><span class="n">NS3BaseNode</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
119 <span class="k">if</span> <span class="n">nodes</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">nodes</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
121 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_node</span>
123 <div class="viewcode-block" id="NS3Base.trace"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base.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>
124 <span class="n">filename</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_trace_filename</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
125 <span class="k">if</span> <span class="ow">not</span> <span class="n">filename</span><span class="p">:</span>
126 <span class="bp">self</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s">"Can not resolve trace </span><span class="si">%s</span><span class="s">. Did you enabled it?"</span> <span class="o">%</span> <span class="n">name</span><span class="p">)</span>
127 <span class="k">return</span> <span class="s">""</span>
129 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">trace</span><span class="p">(</span><span class="n">filename</span><span class="p">,</span> <span class="n">attr</span><span class="p">,</span> <span class="n">block</span><span class="p">,</span> <span class="n">offset</span><span class="p">)</span>
131 <span class="nd">@property</span>
132 <span class="k">def</span> <span class="nf">_rms_to_wait</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
133 <span class="sd">""" Returns the collection of ns-3 RMs that this RM needs to</span>
134 <span class="sd"> wait for before start</span>
136 <span class="sd"> This method should be overriden to wait for other ns-3</span>
137 <span class="sd"> objects to be deployed before proceeding with the deployment</span>
139 <span class="sd"> """</span>
140 <span class="n">rms</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
141 <span class="n">node</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span>
142 <span class="k">if</span> <span class="n">node</span><span class="p">:</span> <span class="n">rms</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
143 <span class="k">return</span> <span class="n">rms</span>
145 <span class="k">def</span> <span class="nf">_instantiate_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
146 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">:</span>
147 <span class="k">return</span>
149 <span class="n">kwargs</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
150 <span class="k">for</span> <span class="n">attr</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_attrs</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
151 <span class="k">if</span> <span class="ow">not</span> <span class="p">(</span> <span class="n">attr</span><span class="o">.</span><span class="n">has_flag</span><span class="p">(</span><span class="n">Flags</span><span class="o">.</span><span class="n">Construct</span><span class="p">)</span> <span class="ow">and</span> <span class="n">attr</span><span class="o">.</span><span class="n">has_changed</span> <span class="p">):</span>
152 <span class="k">continue</span>
154 <span class="n">kwargs</span><span class="p">[</span><span class="n">attr</span><span class="o">.</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">attr</span><span class="o">.</span><span class="n">_value</span>
156 <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">factory</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">(),</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
158 <span class="k">def</span> <span class="nf">_configure_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
159 <span class="k">pass</span>
161 <span class="k">def</span> <span class="nf">_connect_object</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
162 <span class="n">node</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">node</span>
163 <span class="k">if</span> <span class="n">node</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">uuid</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">connected</span><span class="p">:</span>
164 <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">uuid</span><span class="p">,</span> <span class="s">"AggregateObject"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">uuid</span><span class="p">)</span>
165 <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>
167 <span class="k">def</span> <span class="nf">_wait_rms</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
168 <span class="sd">""" Returns True if dependent RMs are not yer READY, False otherwise"""</span>
169 <span class="k">for</span> <span class="n">rm</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_rms_to_wait</span><span class="p">:</span>
170 <span class="k">if</span> <span class="n">rm</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>
171 <span class="k">return</span> <span class="bp">True</span>
172 <span class="k">return</span> <span class="bp">False</span>
174 <div class="viewcode-block" id="NS3Base.do_provision"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base.do_provision">[docs]</a> <span class="k">def</span> <span class="nf">do_provision</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
175 <span class="bp">self</span><span class="o">.</span><span class="n">_instantiate_object</span><span class="p">()</span>
176 <span class="bp">self</span><span class="o">.</span><span class="n">_connect_object</span><span class="p">()</span>
177 <span class="bp">self</span><span class="o">.</span><span class="n">_configure_object</span><span class="p">()</span>
179 <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">"Provisioning finished"</span><span class="p">)</span>
181 <span class="nb">super</span><span class="p">(</span><span class="n">NS3Base</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">do_provision</span><span class="p">()</span>
183 <div class="viewcode-block" id="NS3Base.do_deploy"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base.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>
184 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_wait_rms</span><span class="p">():</span>
185 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">"---- RESCHEDULING DEPLOY ----"</span> <span class="p">)</span>
186 <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>
187 <span class="k">else</span><span class="p">:</span>
188 <span class="bp">self</span><span class="o">.</span><span class="n">do_discover</span><span class="p">()</span>
189 <span class="bp">self</span><span class="o">.</span><span class="n">do_provision</span><span class="p">()</span>
191 <span class="bp">self</span><span class="o">.</span><span class="n">set_ready</span><span class="p">()</span>
193 <div class="viewcode-block" id="NS3Base.do_start"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base.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>
194 <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>
195 <span class="c"># No need to do anything, simulation.Run() will start every object</span>
196 <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">"Starting"</span><span class="p">)</span>
197 <span class="bp">self</span><span class="o">.</span><span class="n">set_started</span><span class="p">()</span>
198 <span class="k">else</span><span class="p">:</span>
199 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Failed"</span>
200 <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>
201 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
203 <div class="viewcode-block" id="NS3Base.do_stop"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base.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>
204 <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>
205 <span class="c"># No need to do anything, simulation.Destroy() will stop every object</span>
206 <span class="bp">self</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">"Stopping"</span><span class="p">)</span>
207 <span class="bp">self</span><span class="o">.</span><span class="n">set_stopped</span><span class="p">()</span>
209 <span class="nd">@property</span>
210 <div class="viewcode-block" id="NS3Base.state"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base.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>
211 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_state</span>
213 <div class="viewcode-block" id="NS3Base.get"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base.get">[docs]</a> <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
214 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">state</span> <span class="ow">in</span> <span class="p">[</span><span class="n">ResourceState</span><span class="o">.</span><span class="n">READY</span><span class="p">,</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">STARTED</span><span class="p">]</span> <span class="ow">and</span> \
215 <span class="bp">self</span><span class="o">.</span><span class="n">has_flag</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">Flags</span><span class="o">.</span><span class="n">Reserved</span><span class="p">)</span> <span class="ow">and</span> \
216 <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">has_flag</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">Flags</span><span class="o">.</span><span class="n">NoRead</span><span class="p">):</span>
217 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">simulation</span><span class="o">.</span><span class="n">ns3_get</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="n">name</span><span class="p">)</span>
218 <span class="k">else</span><span class="p">:</span>
219 <span class="n">value</span> <span class="o">=</span> <span class="nb">super</span><span class="p">(</span><span class="n">NS3Base</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
221 <span class="k">return</span> <span class="n">value</span>
223 <div class="viewcode-block" id="NS3Base.set"><a class="viewcode-back" href="../../../../_layout/nepi.resources.ns3.html#nepi.resources.ns3.ns3base.NS3Base.set">[docs]</a> <span class="k">def</span> <span class="nf">set</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">value</span><span class="p">):</span>
224 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">state</span> <span class="ow">in</span> <span class="p">[</span><span class="n">ResourceState</span><span class="o">.</span><span class="n">READY</span><span class="p">,</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">STARTED</span><span class="p">]</span> <span class="ow">and</span> \
225 <span class="bp">self</span><span class="o">.</span><span class="n">has_flag</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">Flags</span><span class="o">.</span><span class="n">Reserved</span><span class="p">)</span> <span class="ow">and</span> \
226 <span class="ow">not</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">has_flag</span><span class="p">(</span><span class="n">Flags</span><span class="o">.</span><span class="n">NoWrite</span><span class="p">)</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">has_flag</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">Flags</span><span class="o">.</span><span class="n">Design</span><span class="p">)):</span>
227 <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="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
229 <span class="n">value</span> <span class="o">=</span> <span class="nb">super</span><span class="p">(</span><span class="n">NS3Base</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
231 <span class="k">return</span> <span class="n">value</span>
232 </pre></div></div></div>
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