-#
-# NEPI, a framework to manage network experiments
-# Copyright (C) 2013 INRIA
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
-# Julien Tribino <julien.tribino@inria.fr>
-
-from nepi.execution.resource import ResourceManager, clsinit, ResourceState
+"""
+ NEPI, a framework to manage network experiments
+ Copyright (C) 2013 INRIA
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+"""
+
+from nepi.execution.resource import ResourceManager, clsinit, ResourceState, \
+ reschedule_delay
from nepi.execution.attribute import Attribute, Flags
from nepi.resources.omf.omf_api import OMFAPIFactory
-reschedule_delay = "0.5s"
@clsinit
class OMFChannel(ResourceManager):
self._omf_api = None
- 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
def _get_target(self, conn_set):
"""
- Get the couples (host, interface) that used this channel
+ Get the couples (host, interface) that uses this channel
:param conn_set: Connections of the current Guid
:type conn_set: set
rm_iface = self.ec.get_resource(elt)
for conn in rm_iface.connections:
rm_node = self.ec.get_resource(conn)
- if rm_node.rtype() == "OMFNode":
- if rm_iface.state < ResourceState.READY or rm_node.state < ResourceState.READY:
+ if rm_node.rtype() == "OMFNode" and rm_node.get('hostname'):
+ if rm_iface.state < ResourceState.READY or rm_node.state < ResourceState.READY:
return "reschedule"
couple = [rm_node.get('hostname'), rm_iface.get('alias')]
#print couple
self._nodes_guid.append(couple)
return self._nodes_guid
+ def discover(self):
+ """ Discover the availables channels
+
+ """
+ pass
+
+ def provision(self):
+ """ Provision some availables channels
+
+ """
+ pass
+
def deploy(self):
- """Deploy the RM
+ """Deploy the RM. It means : Get the xmpp client and send messages using OMF 5.4 protocol to configure the channel
+ It becomes DEPLOYED after sending messages to configure the channel
"""
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('channel'):
set_nodes = self._get_target(self._connections)
if set_nodes == "reschedule" :
self.ec.schedule(reschedule_delay, self.deploy)
return
print set_nodes
- for couple in set_nodes:
- #print "Couple node/alias : " + couple[0] + " , " + couple[1]
- attrval = self.get('channel')
- attrname = "net/%s/%s" % (couple[1], 'channel')
- self._omf_api.configure(couple[0], attrname, attrval)
+ try:
+ for couple in set_nodes:
+ #print "Couple node/alias : " + couple[0] + " , " + couple[1]
+ attrval = self.get('channel')
+ attrname = "net/%s/%s" % (couple[1], 'channel')
+ self._omf_api.configure(couple[0], attrname, attrval)
+ except AttributeError:
+ self._state = ResourceState.FAILED
+ msg = "Credentials are not initialzed. XMPP Connections impossible"
+ self.debug(msg)
+ raise
+ else :
+ msg = "Channel's value is not initialized"
+ self.error(msg)
super(OMFChannel, self).deploy()
- def discover(self):
- """ Discover the availables channels
-
- """
- pass
-
- def provision(self):
- """ Provision some availables channels
-
- """
- pass
-
def start(self):
- """Send Xmpp Message Using OMF protocol to configure Channel
+ """Start the RM. It means nothing special for a channel for now
+ It becomes STARTED as soon as this method starts.
"""
super(OMFChannel, self).start()
def stop(self):
- """Send Xmpp Message Using OMF protocol to put down the interface
+ """Stop the RM. It means nothing special for a channel for now
+ It becomes STOPPED as soon as this method is called
"""
super(OMFChannel, self).stop()
def release(self):
- """Clean the RM at the end of the experiment
+ """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'))
git://git.onelab.eu / nepi.git / blobdiff