# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
# Julien Tribino <julien.tribino@inria.fr>
-from nepi.execution.resource import ResourceManager, clsinit, ResourceState
+from nepi.execution.resource import ResourceManager, clsinit_copy, \
+ ResourceState, reschedule_delay
from nepi.execution.attribute import Attribute, Flags
+from nepi.resources.omf.node import OMFNode
+from nepi.resources.omf.omf_resource import ResourceGateway, OMFResource
+from nepi.resources.omf.channel import OMFChannel
from nepi.resources.omf.omf_api import OMFAPIFactory
-reschedule_delay = "0.5s"
-
-@clsinit
-class OMFWifiInterface(ResourceManager):
+@clsinit_copy
+class OMFWifiInterface(OMFResource):
"""
.. class:: Class Args :
.. note::
- This class is used only by the Experiment Controller through the Resource Factory
+ This class is used only by the Experiment Controller through the Resource
+ Factory
"""
_rtype = "OMFWifiInterface"
type = Attribute("type","Type of the interface")
essid = Attribute("essid","Essid of the interface")
ip = Attribute("ip","IP of the interface")
- xmppSlice = Attribute("xmppSlice","Name of the slice", flags = Flags.Credential)
- xmppHost = Attribute("xmppHost", "Xmpp Server",flags = Flags.Credential)
- xmppPort = Attribute("xmppPort", "Xmpp Port",flags = Flags.Credential)
- xmppPassword = Attribute("xmppPassword", "Xmpp Port",flags = Flags.Credential)
cls._register_attribute(alias)
- cls._register_attribute(xmppSlice)
- cls._register_attribute(xmppHost)
- cls._register_attribute(xmppPort)
- cls._register_attribute(xmppPassword)
cls._register_attribute(mode)
cls._register_attribute(type)
cls._register_attribute(essid)
self._omf_api = None
self._alias = self.get('alias')
- def _validate_connection(self, guid):
- """ Check if the connection is available.
+ def valid_connection(self, guid):
+ """ Check if the connection with the guid in parameter is possible.
+ Only meaningful connections are allowed.
:param guid: Guid of the current RM
:type guid: int
"""
rm = self.ec.get_resource(guid)
if rm.rtype() in self._authorized_connections:
- msg = "Connection between %s %s and %s %s accepted" % (self.rtype(), self._guid, rm.rtype(), guid)
+ msg = "Connection between %s %s and %s %s accepted" % \
+ (self.rtype(), self._guid, rm.rtype(), guid)
self.debug(msg)
+
return True
- msg = "Connection between %s %s and %s %s refused" % (self.rtype(), self._guid, rm.rtype(), guid)
+
+ msg = "Connection between %s %s and %s %s refused" % \
+ (self.rtype(), self._guid, rm.rtype(), guid)
self.debug(msg)
+
return False
- def _get_nodes(self, conn_set):
- """ Get the RM of the node to which the application is connected
+ @property
+ def exp_id(self):
+ return self.ec.exp_id
- :param conn_set: Connections of the current Guid
- :type conn_set: set
- :rtype: ResourceManager
+ @property
+ def node(self):
+ rm_list = self.get_connected(OMFNode.rtype())
+ if rm_list: return rm_list[0]
+ return None
- """
- for elt in conn_set:
- rm = self.ec.get_resource(elt)
- if rm.rtype() == "OMFNode":
- return rm
+ @property
+ def channel(self):
+ rm_list = self.get_connected(OMFChannel.rtype())
+ if rm_list: return rm_list[0]
return None
- def deploy(self):
- """Deploy the RM
+ def configure_iface(self):
+ """ Configure the interface without the ip
"""
- if not self._omf_api :
- self._omf_api = OMFAPIFactory.get_api(self.get('xmppSlice'),
- self.get('xmppHost'), self.get('xmppPort'), self.get('xmppPassword'))
+ if self.node.state < ResourceState.READY:
+ self.ec.schedule(reschedule_delay, self.deploy)
+ return False
- self._logger.debug(" " + self.rtype() + " ( Guid : " + str(self._guid) +") : " +
- self.get('mode') + " : " + self.get('type') + " : " +
- self.get('essid') + " : " + self.get('ip'))
- #try:
- if self.get('mode') and self.get('type') and self.get('essid') and self.get('ip'):
- rm_list = self.get_connected("OMFNode")
- for rm_node in rm_list:
- if rm_node.state < ResourceState.READY:
- self.ec.schedule(reschedule_delay, self.deploy)
- return
- for attrname in ["mode", "type", "essid", "ip"]:
+ try :
+ for attrname in ["mode", "type", "essid"]:
attrval = self.get(attrname)
attrname = "net/%s/%s" % (self._alias, attrname)
- #print "Send the configure message"
- self._omf_api.configure(rm_node.get('hostname'), attrname, attrval)
+ self._omf_api.configure(self.node.get('hostname'), attrname,
+ attrval)
+ except AttributeError:
+ self._state = ResourceState.FAILED
+ msg = "Credentials are not initialzed. XMPP Connections impossible"
+ self.debug(msg)
+ #raise
+
+ super(OMFWifiInterface, self).provision()
+ return True
- super(OMFWifiInterface, self).deploy()
+ def configure_ip(self):
+ """ Configure the ip of the interface
+ """
+ if self.channel.state < ResourceState.READY:
+ self.ec.schedule(reschedule_delay, self.deploy)
+ return False
+
+ try :
+ attrval = self.get("ip")
+ attrname = "net/%s/%s" % (self._alias, "ip")
+ self._omf_api.configure(self.node.get('hostname'), attrname,
+ attrval)
+ except AttributeError:
+ msg = "Credentials are not initialzed. XMPP Connections impossible"
+ self.debug(msg)
+ self.fail()
+ #raise
- def start(self):
- """Send Xmpp Messages Using OMF protocol to configure Interface
+ return True
+ def do_deploy(self):
+ """ Deploy the RM. It means : Get the xmpp client and send messages
+ using OMF 5.4 protocol to configure the interface.
+ It becomes DEPLOYED after sending messages to configure the interface
"""
+ if not self._omf_api :
+ self._omf_api = OMFAPIFactory.get_api(self.get('xmppSlice'),
+ self.get('xmppHost'), self.get('xmppPort'),
+ self.get('xmppPassword'), exp_id = self.exp_id)
- super(OMFWifiInterface, self).start()
-
- def stop(self):
- """Send Xmpp Message Using OMF protocol to put down the interface
+ if not self._omf_api :
+ msg = "Credentials are not initialzed. XMPP Connections impossible"
+ self.error(msg)
+ raise RuntimeError, msg
+
+ if not (self.get('mode') and self.get('type') and self.get('essid') \
+ and self.get('ip')):
+ msg = "Interface's variable are not initialized"
+ self.error(msg)
+ raise RuntimeError, msg
+
+ if not self.node.get('hostname') :
+ msg = "The channel is connected with an undefined node"
+ self.error(msg)
+ raise RuntimeError, msg
+
+ # Just for information
+ self.debug(" " + self.rtype() + " ( Guid : " + str(self._guid) +") : " + \
+ self.get('mode') + " : " + self.get('type') + " : " + \
+ self.get('essid') + " : " + self.get('ip'))
+
+ # Check if the node is already deployed
+ if self.state < ResourceState.PROVISIONED:
+ if self.configure_iface():
+ self.configure_ip()
- """
- super(OMFWifiInterface, self).stop()
+ super(OMFWifiInterface, self).do_deploy()
- def release(self):
- """Clean the RM at the end of the experiment
+ def do_release(self):
+ """ Clean the RM at the end of the experiment and release the API
"""
- OMFAPIFactory.release_api(self.get('xmppSlice'),
- self.get('xmppHost'), self.get('xmppPort'), self.get('xmppPassword'))
+ if self._omf_api:
+ OMFAPIFactory.release_api(self.get('xmppSlice'),
+ self.get('xmppHost'), self.get('xmppPort'),
+ self.get('xmppPassword'), exp_id = self.exp_id)
+ super(OMFWifiInterface, self).do_release()
git://git.onelab.eu / nepi.git / blobdiff