# 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, ResourceState, \
+ reschedule_delay
from nepi.execution.attribute import Attribute, Flags
+from nepi.resources.omf.node import OMFNode
+from nepi.resources.omf.channel import OMFChannel
from nepi.resources.omf.omf_api import OMFAPIFactory
-reschedule_delay = "0.5s"
-
@clsinit
class OMFWifiInterface(ResourceManager):
"""
.. 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"
self._alias = self.get('alias')
def valid_connection(self, guid):
- """ Check if the connection with the guid in parameter is possible. Only meaningful connections are allowed.
+ """ 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
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)
self.debug(msg)
+
return False
- def 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'))
-
- if self.get('mode') and self.get('type') and self.get('essid') and self.get('ip'):
- self.debug(" " + self.rtype() + " ( Guid : " + str(self._guid) +") : " + \
- self.get('mode') + " : " + self.get('type') + " : " + \
- self.get('essid') + " : " + 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
- if rm_node.get('hostname') :
- try :
- for attrname in ["mode", "type", "essid", "ip"]:
- 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)
- except AttributeError:
- self._state = ResourceState.FAILED
- msg = "Credentials are not initialzed. XMPP Connections impossible"
- self.debug(msg)
- return
- else :
- msg = "The channel is connected with an undefined node"
- self.error(msg)
- else :
- msg = "Interface's variable are not initialized"
- self.error(msg)
+ @property
+ def node(self):
+ rm_list = self.get_connected(OMFNode.rtype())
+ if rm_list: return rm_list[0]
+ return None
+
+ @property
+ def channel(self):
+ rm_list = self.get_connected(OMFChannel.rtype())
+ if rm_list: return rm_list[0]
+ return None
- super(OMFWifiInterface, self).deploy()
- def start(self):
- """Start the RM. It means nothing special for an interface for now
- It becomes STARTED as soon as this method starts.
+ def configure_iface(self):
+ """ Configure the interface without the ip
"""
+ if self.node.state < ResourceState.READY:
+ self.ec.schedule(reschedule_delay, self.deploy)
+ return False
+
+ try :
+ for attrname in ["mode", "type", "essid"]:
+ attrval = self.get(attrname)
+ attrname = "net/%s/%s" % (self._alias, attrname)
+ 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).start()
+ def configure_ip(self):
+ """ Configure the ip of the interface
- def stop(self):
- """Stop the RM. It means nothing special for an interface for now
- It becomes STOPPED as soon as this method stops
+ """
+ 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
+ return True
+
+ def 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
"""
- super(OMFWifiInterface, self).stop()
+ 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.ec.exp_id)
+
+ if not self._omf_api :
+ msg = "Credentials are not initialzed. XMPP Connections impossible"
+ self.error(msg)
+ self.fail()
+ return
+
+ 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)
+ self.fail()
+ return False
+
+ if not self.node.get('hostname') :
+ msg = "The channel is connected with an undefined node"
+ self.error(msg)
+ self.fail()
+ return False
+
+ # 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
+ chk1 = True
+ if self.state < ResourceState.PROVISIONED:
+ chk1 = self.configure_iface()
+ if chk1:
+ chk2 = self.configure_ip()
+
+ if not (chk1 and chk2) :
+ return False
+
+ super(OMFWifiInterface, self).deploy()
+ return True
def release(self):
- """Clean the RM at the end of the experiment and release the API
+ """ Clean the RM at the end of the experiment and release the API
"""
if self._omf_api :
OMFAPIFactory.release_api(self.get('xmppSlice'),
- self.get('xmppHost'), self.get('xmppPort'), self.get('xmppPassword'))
+ self.get('xmppHost'), self.get('xmppPort'),
+ self.get('xmppPassword'), exp_id = self.ec.exp_id)
+
+ super(OMFWifiInterface, self).release()
git://git.onelab.eu / nepi.git / blobdiff