X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=src%2Fnepi%2Fresources%2Fomf%2Fchannel.py;h=ccd67be0ec8d82ba495847a6d2ef7c452e319d62;hb=386498468dfb01f71b0efbbe0c208819f18f82ec;hp=bc4f9b5546c8ae508b3a64857e8a7a85147c9df3;hpb=ed30c8175606bc138d3344204bd54cd275de5688;p=nepi.git
diff --git a/src/nepi/resources/omf/channel.py b/src/nepi/resources/omf/channel.py
index bc4f9b55..ccd67be0 100644
--- a/src/nepi/resources/omf/channel.py
+++ b/src/nepi/resources/omf/channel.py
@@ -1,21 +1,22 @@
-"""
- 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 .
-
-"""
+#
+# 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 .
+#
+# Author: Alina Quereilhac
+# Julien Tribino
from nepi.execution.resource import ResourceManager, clsinit, ResourceState, \
reschedule_delay
@@ -44,10 +45,10 @@ class OMFChannel(ResourceManager):
_rtype = "OMFChannel"
_authorized_connections = ["OMFWifiInterface", "OMFNode"]
-
@classmethod
def _register_attributes(cls):
"""Register the attributes of an OMF channel
+
"""
channel = Attribute("channel", "Name of the application")
xmppSlice = Attribute("xmppSlice","Name of the slice", flags = Flags.Credential)
@@ -83,7 +84,8 @@ class OMFChannel(ResourceManager):
return self.ec.exp_id
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
@@ -91,12 +93,17 @@ class OMFChannel(ResourceManager):
"""
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_target(self, conn_set):
@@ -115,7 +122,8 @@ class OMFChannel(ResourceManager):
for conn in rm_iface.connections:
rm_node = self.ec.get_resource(conn)
if rm_node.rtype() == "OMFNode" and rm_node.get('hostname'):
- if rm_iface.state < ResourceState.PROVISIONED or rm_node.state < ResourceState.READY:
+ if rm_iface.state < ResourceState.PROVISIONED or \
+ rm_node.state < ResourceState.READY:
return "reschedule"
couple = [rm_node.get('hostname'), rm_iface.get('alias')]
#print couple
@@ -135,25 +143,27 @@ class OMFChannel(ResourceManager):
pass
def deploy(self):
- """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
+ """ 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'), exp_id = self.exp_id)
+ self.get('xmppHost'), self.get('xmppPort'),
+ self.get('xmppPassword'), exp_id = self.exp_id)
if not self._omf_api :
- self._state = ResourceState.FAILED
msg = "Credentials are not initialzed. XMPP Connections impossible"
self.error(msg)
+ self.fail()
return
if not self.get('channel'):
- self._state = ResourceState.FAILED
msg = "Channel's value is not initialized"
self.error(msg)
- raise
+ self.fail()
+ return
self._nodes_guid = self._get_target(self._connections)
if self._nodes_guid == "reschedule" :
@@ -167,35 +177,36 @@ class OMFChannel(ResourceManager):
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.error(msg)
- raise
+ self.fail()
+ return
super(OMFChannel, self).deploy()
def start(self):
- """Start the RM. It means nothing special for a channel for now
- It becomes STARTED as soon as this method starts.
+ """ 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):
- """Stop the RM. It means nothing special for a channel for now
- It becomes STOPPED as soon as this method is called
+ """ 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 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'), exp_id = self.exp_id)
+ self.get('xmppHost'), self.get('xmppPort'),
+ self.get('xmppPassword'), exp_id = self.exp_id)
super(OMFChannel, self).release()