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66 <h1>Source code for nepi.resources.omf.interface</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 <http://www.gnu.org/licenses/>.</span>
82 <span class="c">#</span>
83 <span class="c"># Author: Alina Quereilhac <alina.quereilhac@inria.fr></span>
84 <span class="c"># Julien Tribino <julien.tribino@inria.fr></span>
86 <span class="kn">import</span> <span class="nn">os</span><span class="o">,</span> <span class="nn">time</span>
87 <span class="kn">from</span> <span class="nn">nepi.util.timefuncs</span> <span class="kn">import</span> <span class="n">tnow</span>
88 <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> \
89 <span class="n">ResourceState</span>
90 <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>
92 <span class="kn">from</span> <span class="nn">nepi.resources.omf.node</span> <span class="kn">import</span> <span class="n">OMFNode</span><span class="p">,</span> <span class="n">confirmation_counter</span><span class="p">,</span> <span class="n">reschedule_check</span>
93 <span class="kn">from</span> <span class="nn">nepi.resources.omf.omf_resource</span> <span class="kn">import</span> <span class="n">ResourceGateway</span><span class="p">,</span> <span class="n">OMFResource</span>
94 <span class="kn">from</span> <span class="nn">nepi.resources.omf.channel</span> <span class="kn">import</span> <span class="n">OMFChannel</span>
95 <span class="kn">from</span> <span class="nn">nepi.resources.omf.omf_api_factory</span> <span class="kn">import</span> <span class="n">OMFAPIFactory</span>
97 <span class="nd">@clsinit_copy</span>
98 <div class="viewcode-block" id="OMFWifiInterface"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface">[docs]</a><span class="k">class</span> <span class="nc">OMFWifiInterface</span><span class="p">(</span><span class="n">OMFResource</span><span class="p">):</span>
99 <span class="sd">"""</span>
100 <span class="sd"> .. class:: Class Args :</span>
101 <span class="sd"> </span>
102 <span class="sd"> :param ec: The Experiment controller</span>
103 <span class="sd"> :type ec: ExperimentController</span>
104 <span class="sd"> :param guid: guid of the RM</span>
105 <span class="sd"> :type guid: int</span>
107 <span class="sd"> """</span>
108 <span class="n">_rtype</span> <span class="o">=</span> <span class="s">"omf::WifiInterface"</span>
109 <span class="n">_authorized_connections</span> <span class="o">=</span> <span class="p">[</span><span class="s">"omf::Node"</span> <span class="p">,</span> <span class="s">"omf::Channel"</span><span class="p">,</span> <span class="s">"wilabt::sfa::Node"</span><span class="p">]</span>
111 <span class="nd">@classmethod</span>
112 <span class="k">def</span> <span class="nf">_register_attributes</span><span class="p">(</span><span class="n">cls</span><span class="p">):</span>
113 <span class="sd">"""Register the attributes of an OMF interface </span>
115 <span class="sd"> """</span>
116 <span class="n">name</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"name"</span><span class="p">,</span><span class="s">"Alias of the interface : wlan0, wlan1, .."</span><span class="p">,</span> <span class="n">default</span> <span class="o">=</span> <span class="s">"wlan0"</span><span class="p">)</span>
117 <span class="n">mode</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"mode"</span><span class="p">,</span><span class="s">"Mode of the interface"</span><span class="p">)</span>
118 <span class="n">hw_mode</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"hw_mode"</span><span class="p">,</span><span class="s">"Choose between : a, b, g, n"</span><span class="p">)</span>
119 <span class="n">essid</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"essid"</span><span class="p">,</span><span class="s">"Essid of the interface"</span><span class="p">)</span>
120 <span class="n">ip</span> <span class="o">=</span> <span class="n">Attribute</span><span class="p">(</span><span class="s">"ip"</span><span class="p">,</span><span class="s">"IP of the interface"</span><span class="p">)</span>
121 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
122 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">mode</span><span class="p">)</span>
123 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">hw_mode</span><span class="p">)</span>
124 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">essid</span><span class="p">)</span>
125 <span class="n">cls</span><span class="o">.</span><span class="n">_register_attribute</span><span class="p">(</span><span class="n">ip</span><span class="p">)</span>
127 <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>
128 <span class="sd">"""</span>
129 <span class="sd"> :param ec: The Experiment controller</span>
130 <span class="sd"> :type ec: ExperimentController</span>
131 <span class="sd"> :param guid: guid of the RM</span>
132 <span class="sd"> :type guid: int</span>
133 <span class="sd"> :param creds: Credentials to communicate with the rm (XmppClient for OMF)</span>
134 <span class="sd"> :type creds: dict</span>
136 <span class="sd"> """</span>
137 <span class="nb">super</span><span class="p">(</span><span class="n">OMFWifiInterface</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>
139 <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span> <span class="o">=</span> <span class="bp">False</span>
140 <span class="bp">self</span><span class="o">.</span><span class="n">alias</span> <span class="o">=</span> <span class="bp">None</span>
141 <span class="bp">self</span><span class="o">.</span><span class="n">_type</span> <span class="o">=</span> <span class="bp">None</span>
143 <span class="bp">self</span><span class="o">.</span><span class="n">create_id</span> <span class="o">=</span> <span class="bp">None</span>
144 <span class="bp">self</span><span class="o">.</span><span class="n">_create_cnt</span> <span class="o">=</span> <span class="mi">0</span>
145 <span class="bp">self</span><span class="o">.</span><span class="n">release_id</span> <span class="o">=</span> <span class="bp">None</span>
146 <span class="bp">self</span><span class="o">.</span><span class="n">_release_cnt</span> <span class="o">=</span> <span class="mi">0</span>
147 <span class="bp">self</span><span class="o">.</span><span class="n">_topic_iface</span> <span class="o">=</span> <span class="bp">None</span>
148 <span class="bp">self</span><span class="o">.</span><span class="n">_omf_api</span> <span class="o">=</span> <span class="bp">None</span>
149 <span class="bp">self</span><span class="o">.</span><span class="n">_type</span> <span class="o">=</span> <span class="s">""</span>
151 <span class="c"># For performance tests</span>
152 <span class="bp">self</span><span class="o">.</span><span class="n">perf</span> <span class="o">=</span> <span class="bp">True</span>
153 <span class="bp">self</span><span class="o">.</span><span class="n">begin_deploy_time</span> <span class="o">=</span> <span class="bp">None</span>
155 <div class="viewcode-block" id="OMFWifiInterface.valid_connection"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface.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>
156 <span class="sd">""" Check if the connection with the guid in parameter is possible. </span>
157 <span class="sd"> Only meaningful connections are allowed.</span>
159 <span class="sd"> :param guid: Guid of the current RM</span>
160 <span class="sd"> :type guid: int</span>
161 <span class="sd"> :rtype: Boolean</span>
163 <span class="sd"> """</span>
164 <span class="n">rm</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">get_resource</span><span class="p">(</span><span class="n">guid</span><span class="p">)</span>
165 <span class="k">if</span> <span class="n">rm</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">()</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_authorized_connections</span><span class="p">:</span>
166 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Connection between </span><span class="si">%s</span><span class="s"> </span><span class="si">%s</span><span class="s"> and </span><span class="si">%s</span><span class="s"> </span><span class="si">%s</span><span class="s"> accepted"</span> <span class="o">%</span> \
167 <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="bp">self</span><span class="o">.</span><span class="n">_guid</span><span class="p">,</span> <span class="n">rm</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">(),</span> <span class="n">guid</span><span class="p">)</span>
168 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
169 <span class="k">return</span> <span class="bp">True</span>
171 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Connection between </span><span class="si">%s</span><span class="s"> </span><span class="si">%s</span><span class="s"> and </span><span class="si">%s</span><span class="s"> </span><span class="si">%s</span><span class="s"> refused"</span> <span class="o">%</span> \
172 <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="bp">self</span><span class="o">.</span><span class="n">_guid</span><span class="p">,</span> <span class="n">rm</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">(),</span> <span class="n">guid</span><span class="p">)</span>
173 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
174 <span class="k">return</span> <span class="bp">False</span>
176 <span class="nd">@property</span>
177 <div class="viewcode-block" id="OMFWifiInterface.exp_id"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface.exp_id">[docs]</a> <span class="k">def</span> <span class="nf">exp_id</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
178 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">ec</span><span class="o">.</span><span class="n">exp_id</span>
180 <span class="nd">@property</span>
181 <div class="viewcode-block" id="OMFWifiInterface.node"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface.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>
182 <span class="n">rm_list</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">OMFNode</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
183 <span class="k">if</span> <span class="n">rm_list</span><span class="p">:</span> <span class="k">return</span> <span class="n">rm_list</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
184 <span class="k">return</span> <span class="bp">None</span>
186 <span class="nd">@property</span>
187 <div class="viewcode-block" id="OMFWifiInterface.channel"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface.channel">[docs]</a> <span class="k">def</span> <span class="nf">channel</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
188 <span class="n">rm_list</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">OMFChannel</span><span class="o">.</span><span class="n">get_rtype</span><span class="p">())</span>
189 <span class="k">if</span> <span class="n">rm_list</span><span class="p">:</span> <span class="k">return</span> <span class="n">rm_list</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
190 <span class="k">return</span> <span class="bp">None</span>
192 <div class="viewcode-block" id="OMFWifiInterface.configure_iface"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface.configure_iface">[docs]</a> <span class="k">def</span> <span class="nf">configure_iface</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
193 <span class="sd">""" Configure the interface without the ip</span>
195 <span class="sd"> """</span>
196 <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">state</span> <span class="o"><</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">READY</span><span class="p">:</span>
197 <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>
198 <span class="k">return</span> <span class="bp">False</span>
200 <span class="k">for</span> <span class="n">attrname</span> <span class="ow">in</span> <span class="p">[</span><span class="s">"mode"</span><span class="p">,</span> <span class="s">"type"</span><span class="p">,</span> <span class="s">"essid"</span><span class="p">]:</span>
201 <span class="k">if</span> <span class="n">attrname</span> <span class="o">==</span> <span class="s">"type"</span> <span class="p">:</span>
202 <span class="n">attrval</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_type</span>
203 <span class="k">else</span> <span class="p">:</span>
204 <span class="n">attrval</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="n">attrname</span><span class="p">)</span>
205 <span class="n">attrname</span> <span class="o">=</span> <span class="s">"net/</span><span class="si">%s</span><span class="s">/</span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">attrname</span><span class="p">)</span>
206 <span class="bp">self</span><span class="o">.</span><span class="n">_omf_api</span><span class="o">.</span><span class="n">configure</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">get</span><span class="p">(</span><span class="s">'hostname'</span><span class="p">),</span> <span class="n">attrname</span><span class="p">,</span>
207 <span class="n">attrval</span><span class="p">)</span>
209 <span class="nb">super</span><span class="p">(</span><span class="n">OMFWifiInterface</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>
210 <span class="k">return</span> <span class="bp">True</span>
212 <div class="viewcode-block" id="OMFWifiInterface.configure_ip"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface.configure_ip">[docs]</a> <span class="k">def</span> <span class="nf">configure_ip</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
213 <span class="sd">""" Configure the ip of the interface</span>
215 <span class="sd"> .. note : The ip is separated from the others parameters to avoid </span>
216 <span class="sd"> CELL ID shraing problem. By putting th ip at the end of the configuration, </span>
217 <span class="sd"> each node use the same channel and can then share the same CELL ID.</span>
218 <span class="sd"> In the second case, the channel is defined at the end and the node don't</span>
219 <span class="sd"> share a common CELL ID and can not communicate.</span>
221 <span class="sd"> """</span>
222 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">channel</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>
223 <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>
224 <span class="k">return</span> <span class="bp">False</span>
226 <span class="n">attrval</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">"ip"</span><span class="p">)</span>
227 <span class="k">if</span> <span class="s">'/'</span> <span class="ow">in</span> <span class="n">attrval</span><span class="p">:</span>
228 <span class="n">attrval</span><span class="p">,</span><span class="n">mask</span> <span class="o">=</span> <span class="n">attrval</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">'/'</span><span class="p">)</span>
229 <span class="n">attrname</span> <span class="o">=</span> <span class="s">"net/</span><span class="si">%s</span><span class="s">/</span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s">"ip"</span><span class="p">)</span>
230 <span class="bp">self</span><span class="o">.</span><span class="n">_omf_api</span><span class="o">.</span><span class="n">configure</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">get</span><span class="p">(</span><span class="s">'hostname'</span><span class="p">),</span> <span class="n">attrname</span><span class="p">,</span>
231 <span class="n">attrval</span><span class="p">)</span>
232 <span class="k">return</span> <span class="bp">True</span>
235 <div class="viewcode-block" id="OMFWifiInterface.configure_on_omf5"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface.configure_on_omf5">[docs]</a> <span class="k">def</span> <span class="nf">configure_on_omf5</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
236 <span class="sd">""" Method to configure the wifi interface when OMF 5.4 is used.</span>
238 <span class="sd"> """</span>
240 <span class="bp">self</span><span class="o">.</span><span class="n">_type</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">'hw_mode'</span><span class="p">)</span>
241 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'name'</span><span class="p">)</span> <span class="o">==</span> <span class="s">"wlan0"</span> <span class="ow">or</span> <span class="s">"eth0"</span><span class="p">:</span>
242 <span class="bp">self</span><span class="o">.</span><span class="n">alias</span> <span class="o">=</span> <span class="s">"w0"</span>
243 <span class="k">else</span><span class="p">:</span>
244 <span class="bp">self</span><span class="o">.</span><span class="n">alias</span> <span class="o">=</span> <span class="s">"w1"</span>
245 <span class="n">res</span> <span class="o">=</span> <span class="bp">False</span>
246 <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">PROVISIONED</span><span class="p">:</span>
247 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span> <span class="o">==</span> <span class="bp">False</span><span class="p">:</span>
248 <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">configure_iface</span><span class="p">()</span>
249 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span> <span class="o">==</span> <span class="bp">True</span><span class="p">:</span>
250 <span class="n">res</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">configure_ip</span><span class="p">()</span>
251 <span class="k">return</span> <span class="n">res</span>
253 <div class="viewcode-block" id="OMFWifiInterface.check_deploy"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface.check_deploy">[docs]</a> <span class="k">def</span> <span class="nf">check_deploy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">cid</span><span class="p">):</span>
254 <span class="sd">""" Check, through the mail box in the parser, </span>
255 <span class="sd"> if the confirmation of the creation has been received</span>
257 <span class="sd"> :param cid: the id of the original message</span>
258 <span class="sd"> :type guid: string</span>
260 <span class="sd"> """</span>
261 <span class="n">uid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_omf_api</span><span class="o">.</span><span class="n">check_mailbox</span><span class="p">(</span><span class="s">"create"</span><span class="p">,</span> <span class="n">cid</span><span class="p">)</span>
262 <span class="k">if</span> <span class="n">uid</span> <span class="p">:</span>
263 <span class="k">return</span> <span class="n">uid</span>
264 <span class="k">return</span> <span class="bp">False</span>
266 <div class="viewcode-block" id="OMFWifiInterface.do_deploy"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface.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>
267 <span class="sd">""" Deploy the RM. It means : Get the xmpp client and send messages </span>
268 <span class="sd"> using OMF 5.4 or 6 protocol to configure the interface.</span>
270 <span class="sd"> """</span>
271 <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"><</span> <span class="n">ResourceState</span><span class="o">.</span><span class="n">READY</span><span class="p">:</span>
272 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">"---- RESCHEDULING DEPLOY ---- node state </span><span class="si">%s</span><span class="s"> "</span>
273 <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>
274 <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>
275 <span class="k">return</span>
277 <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">channel</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">channel</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>
278 <span class="bp">self</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">"---- RESCHEDULING DEPLOY ---- channel state </span><span class="si">%s</span><span class="s"> "</span>
279 <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">channel</span><span class="o">.</span><span class="n">state</span> <span class="p">)</span>
280 <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>
281 <span class="k">return</span>
283 <span class="c">## For performance test</span>
284 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">perf</span><span class="p">:</span>
285 <span class="bp">self</span><span class="o">.</span><span class="n">begin_deploy_time</span> <span class="o">=</span> <span class="n">tnow</span><span class="p">()</span>
286 <span class="bp">self</span><span class="o">.</span><span class="n">perf</span> <span class="o">=</span> <span class="bp">False</span>
288 <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">'xmppUser'</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">get</span><span class="p">(</span><span class="s">'xmppUser'</span><span class="p">))</span>
289 <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">'xmppServer'</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">get</span><span class="p">(</span><span class="s">'xmppServer'</span><span class="p">))</span>
290 <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">'xmppPort'</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">get</span><span class="p">(</span><span class="s">'xmppPort'</span><span class="p">))</span>
291 <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">'xmppPassword'</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">get</span><span class="p">(</span><span class="s">'xmppPassword'</span><span class="p">))</span>
292 <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">'version'</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">get</span><span class="p">(</span><span class="s">'version'</span><span class="p">))</span>
294 <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">'xmppServer'</span><span class="p">):</span>
295 <span class="n">msg</span> <span class="o">=</span> <span class="s">"XmppServer is not initialzed. XMPP Connections impossible"</span>
296 <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>
297 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
299 <span class="k">if</span> <span class="ow">not</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">'xmppUser'</span><span class="p">)</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'xmppPort'</span><span class="p">)</span>
300 <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'xmppPassword'</span><span class="p">)):</span>
301 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Credentials are not all initialzed. Default values will be used"</span>
302 <span class="bp">self</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
304 <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_omf_api</span> <span class="p">:</span>
305 <span class="bp">self</span><span class="o">.</span><span class="n">_omf_api</span> <span class="o">=</span> <span class="n">OMFAPIFactory</span><span class="o">.</span><span class="n">get_api</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">'version'</span><span class="p">),</span>
306 <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'xmppServer'</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">'xmppUser'</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">'xmppPort'</span><span class="p">),</span>
307 <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'xmppPassword'</span><span class="p">),</span> <span class="n">exp_id</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">exp_id</span><span class="p">)</span>
309 <span class="k">if</span> <span class="ow">not</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">'name'</span><span class="p">)):</span>
310 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Interface's name is not initialized"</span>
311 <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>
312 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
314 <span class="k">if</span> <span class="ow">not</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">'mode'</span><span class="p">)</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'essid'</span><span class="p">)</span> \
315 <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'hw_mode'</span><span class="p">)</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'ip'</span><span class="p">)):</span>
316 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Interface's variable are not initialized"</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>
318 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
320 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'version'</span><span class="p">)</span> <span class="o">==</span> <span class="s">"5"</span><span class="p">:</span>
321 <span class="n">res</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">configure_on_omf5</span><span class="p">()</span>
323 <span class="k">else</span> <span class="p">:</span>
324 <span class="n">res</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">configure_on_omf6</span><span class="p">()</span>
326 <span class="k">if</span> <span class="n">res</span><span class="p">:</span>
327 <span class="nb">super</span><span class="p">(</span><span class="n">OMFWifiInterface</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">do_deploy</span><span class="p">()</span>
329 <div class="viewcode-block" id="OMFWifiInterface.configure_on_omf6"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface.configure_on_omf6">[docs]</a> <span class="k">def</span> <span class="nf">configure_on_omf6</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
330 <span class="sd">""" Method to configure the wifi interface when OMF 6 is used.</span>
332 <span class="sd"> """</span>
333 <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">create_id</span> <span class="p">:</span>
334 <span class="n">props</span> <span class="o">=</span> <span class="p">{}</span>
335 <span class="n">props</span><span class="p">[</span><span class="s">'wlan:if_name'</span><span class="p">]</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">'name'</span><span class="p">)</span>
336 <span class="n">props</span><span class="p">[</span><span class="s">'wlan:mode'</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span>
337 <span class="s">"mode"</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">'mode'</span><span class="p">),</span>
338 <span class="s">"hw_mode"</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">'hw_mode'</span><span class="p">),</span>
339 <span class="s">"channel"</span> <span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">channel</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'channel'</span><span class="p">),</span>
340 <span class="s">"essid"</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">'essid'</span><span class="p">),</span>
341 <span class="s">"ip_addr"</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">'ip'</span><span class="p">),</span>
342 <span class="s">"frequency"</span> <span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">channel</span><span class="o">.</span><span class="n">frequency</span><span class="p">,</span>
343 <span class="s">"phy"</span> <span class="p">:</span> <span class="s">"</span><span class="si">%0%</span><span class="s">"</span>
344 <span class="p">}</span>
345 <span class="n">props</span><span class="p">[</span><span class="s">'wlan:hrn'</span><span class="p">]</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">'name'</span><span class="p">)</span>
346 <span class="n">props</span><span class="p">[</span><span class="s">'wlan:type'</span><span class="p">]</span> <span class="o">=</span> <span class="s">"wlan"</span>
348 <span class="bp">self</span><span class="o">.</span><span class="n">create_id</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">urandom</span><span class="p">(</span><span class="mi">16</span><span class="p">)</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s">'hex'</span><span class="p">)</span>
349 <span class="bp">self</span><span class="o">.</span><span class="n">_omf_api</span><span class="o">.</span><span class="n">frcp_create</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">create_id</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">get</span><span class="p">(</span><span class="s">'hostname'</span><span class="p">),</span> <span class="s">"wlan"</span><span class="p">,</span> <span class="n">props</span> <span class="o">=</span> <span class="n">props</span><span class="p">)</span>
351 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_create_cnt</span> <span class="o">></span> <span class="n">confirmation_counter</span><span class="p">:</span>
352 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Couldn't retrieve the confirmation of the creation"</span>
353 <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>
354 <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">,</span> <span class="n">msg</span>
356 <span class="n">uid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">check_deploy</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">create_id</span><span class="p">)</span>
357 <span class="k">if</span> <span class="ow">not</span> <span class="n">uid</span><span class="p">:</span>
358 <span class="bp">self</span><span class="o">.</span><span class="n">_create_cnt</span> <span class="o">+=</span><span class="mi">1</span>
359 <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="n">reschedule_check</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">deploy</span><span class="p">)</span>
360 <span class="k">return</span> <span class="bp">False</span>
362 <span class="bp">self</span><span class="o">.</span><span class="n">_topic_iface</span> <span class="o">=</span> <span class="n">uid</span>
363 <span class="bp">self</span><span class="o">.</span><span class="n">_omf_api</span><span class="o">.</span><span class="n">enroll_topic</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_topic_iface</span><span class="p">)</span>
364 <span class="k">return</span> <span class="bp">True</span>
366 <div class="viewcode-block" id="OMFWifiInterface.check_release"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface.check_release">[docs]</a> <span class="k">def</span> <span class="nf">check_release</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">cid</span><span class="p">):</span>
367 <span class="sd">""" Check, through the mail box in the parser, </span>
368 <span class="sd"> if the confirmation of the release has been received</span>
370 <span class="sd"> :param cid: the id of the original message</span>
371 <span class="sd"> :type guid: string</span>
373 <span class="sd"> """</span>
374 <span class="n">res</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_omf_api</span><span class="o">.</span><span class="n">check_mailbox</span><span class="p">(</span><span class="s">"release"</span><span class="p">,</span> <span class="n">cid</span><span class="p">)</span>
375 <span class="k">if</span> <span class="n">res</span> <span class="p">:</span>
376 <span class="k">return</span> <span class="n">res</span>
377 <span class="k">return</span> <span class="bp">False</span>
379 <div class="viewcode-block" id="OMFWifiInterface.do_release"><a class="viewcode-back" href="../../../../_layout/nepi.resources.omf.html#nepi.resources.omf.interface.OMFWifiInterface.do_release">[docs]</a> <span class="k">def</span> <span class="nf">do_release</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
380 <span class="sd">""" Clean the RM at the end of the experiment and release the API</span>
382 <span class="sd"> """</span>
383 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_omf_api</span><span class="p">:</span>
384 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'version'</span><span class="p">)</span> <span class="o">==</span> <span class="s">"6"</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_topic_iface</span> <span class="p">:</span>
385 <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">release_id</span><span class="p">:</span>
386 <span class="bp">self</span><span class="o">.</span><span class="n">release_id</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">urandom</span><span class="p">(</span><span class="mi">16</span><span class="p">)</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s">'hex'</span><span class="p">)</span>
387 <span class="bp">self</span><span class="o">.</span><span class="n">_omf_api</span><span class="o">.</span><span class="n">frcp_release</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">release_id</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">get</span><span class="p">(</span><span class="s">'hostname'</span><span class="p">),</span><span class="bp">self</span><span class="o">.</span><span class="n">_topic_iface</span><span class="p">,</span> <span class="n">res_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_topic_iface</span><span class="p">)</span>
389 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_release_cnt</span> <span class="o"><</span> <span class="n">confirmation_counter</span><span class="p">:</span>
390 <span class="n">cid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">check_release</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">release_id</span><span class="p">)</span>
391 <span class="k">if</span> <span class="ow">not</span> <span class="n">cid</span><span class="p">:</span>
392 <span class="bp">self</span><span class="o">.</span><span class="n">_release_cnt</span> <span class="o">+=</span><span class="mi">1</span>
393 <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="n">reschedule_check</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">release</span><span class="p">)</span>
394 <span class="k">return</span>
395 <span class="k">else</span><span class="p">:</span>
396 <span class="n">msg</span> <span class="o">=</span> <span class="s">"Couldn't retrieve the confirmation of the release"</span>
397 <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>
400 <span class="n">OMFAPIFactory</span><span class="o">.</span><span class="n">release_api</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">'version'</span><span class="p">),</span>
401 <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'xmppServer'</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">'xmppUser'</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">'xmppPort'</span><span class="p">),</span>
402 <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'xmppPassword'</span><span class="p">),</span> <span class="n">exp_id</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">exp_id</span><span class="p">)</span>
404 <span class="nb">super</span><span class="p">(</span><span class="n">OMFWifiInterface</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">do_release</span><span class="p">()</span>
405 </pre></div></div></div>
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