2 NEPI, a framework to manage network experiments
3 Copyright (C) 2013 INRIA
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 from nepi.execution.resource import ResourceManager, clsinit, ResourceState
21 from nepi.execution.attribute import Attribute, Flags
23 from nepi.resources.omf.omf_api import OMFAPIFactory
25 reschedule_delay = "0.5s"
28 class OMFWifiInterface(ResourceManager):
30 .. class:: Class Args :
32 :param ec: The Experiment controller
33 :type ec: ExperimentController
34 :param guid: guid of the RM
36 :param creds: Credentials to communicate with the rm (XmppClient for OMF)
41 This class is used only by the Experiment Controller through the Resource Factory
44 _rtype = "OMFWifiInterface"
45 _authorized_connections = ["OMFNode" , "OMFChannel"]
47 #alias2name = dict({'w0':'wlan0', 'w1':'wlan1'})
50 def _register_attributes(cls):
51 """Register the attributes of an OMF interface
54 alias = Attribute("alias","Alias of the interface", default = "w0")
55 mode = Attribute("mode","Mode of the interface")
56 type = Attribute("type","Type of the interface")
57 essid = Attribute("essid","Essid of the interface")
58 ip = Attribute("ip","IP of the interface")
59 xmppSlice = Attribute("xmppSlice","Name of the slice", flags = Flags.Credential)
60 xmppHost = Attribute("xmppHost", "Xmpp Server",flags = Flags.Credential)
61 xmppPort = Attribute("xmppPort", "Xmpp Port",flags = Flags.Credential)
62 xmppPassword = Attribute("xmppPassword", "Xmpp Port",flags = Flags.Credential)
63 cls._register_attribute(alias)
64 cls._register_attribute(xmppSlice)
65 cls._register_attribute(xmppHost)
66 cls._register_attribute(xmppPort)
67 cls._register_attribute(xmppPassword)
68 cls._register_attribute(mode)
69 cls._register_attribute(type)
70 cls._register_attribute(essid)
71 cls._register_attribute(ip)
73 def __init__(self, ec, guid):
75 :param ec: The Experiment controller
76 :type ec: ExperimentController
77 :param guid: guid of the RM
79 :param creds: Credentials to communicate with the rm (XmppClient for OMF)
83 super(OMFWifiInterface, self).__init__(ec, guid)
86 self._alias = self.get('alias')
88 def _validate_connection(self, guid):
89 """ Check if the connection is available.
91 :param guid: Guid of the current RM
96 rm = self.ec.get_resource(guid)
97 if rm.rtype() in self._authorized_connections:
98 msg = "Connection between %s %s and %s %s accepted" % (self.rtype(), self._guid, rm.rtype(), guid)
101 msg = "Connection between %s %s and %s %s refused" % (self.rtype(), self._guid, rm.rtype(), guid)
105 def _get_nodes(self, conn_set):
106 """ Get the RM of the node to which the application is connected
108 :param conn_set: Connections of the current Guid
110 :rtype: ResourceManager
114 rm = self.ec.get_resource(elt)
115 if rm.rtype() == "OMFNode":
123 if not self._omf_api :
124 self._omf_api = OMFAPIFactory.get_api(self.get('xmppSlice'),
125 self.get('xmppHost'), self.get('xmppPort'), self.get('xmppPassword'))
127 self._logger.debug(" " + self.rtype() + " ( Guid : " + str(self._guid) +") : " +
128 self.get('mode') + " : " + self.get('type') + " : " +
129 self.get('essid') + " : " + self.get('ip'))
131 if self.get('mode') and self.get('type') and self.get('essid') and self.get('ip'):
132 rm_list = self.get_connected("OMFNode")
133 for rm_node in rm_list:
134 if rm_node.state < ResourceState.READY:
135 self.ec.schedule(reschedule_delay, self.deploy)
137 for attrname in ["mode", "type", "essid", "ip"]:
138 attrval = self.get(attrname)
139 attrname = "net/%s/%s" % (self._alias, attrname)
140 #print "Send the configure message"
141 self._omf_api.configure(rm_node.get('hostname'), attrname, attrval)
143 super(OMFWifiInterface, self).deploy()
147 """Send Xmpp Messages Using OMF protocol to configure Interface
151 super(OMFWifiInterface, self).start()
154 """Send Xmpp Message Using OMF protocol to put down the interface
157 super(OMFWifiInterface, self).stop()
160 """Clean the RM at the end of the experiment
163 OMFAPIFactory.release_api(self.get('xmppSlice'),
164 self.get('xmppHost'), self.get('xmppPort'), self.get('xmppPassword'))