# Copyright (C) 2014 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.
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation;
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
#
# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
-from nepi.execution.resource import clsinit_copy, ResourceState, \
- reschedule_delay
+from nepi.execution.resource import clsinit_copy, ResourceState
from nepi.resources.ns3.ns3base import NS3Base
@clsinit_copy
class NS3BaseApplication(NS3Base):
_rtype = "abstract::ns3::Application"
+ def __init__(self, ec, guid):
+ super(NS3BaseApplication, self).__init__(ec, guid)
+ self._node = None
+
@property
def node(self):
- from nepi.resources.ns3.ns3node import NS3BaseNode
- nodes = self.get_connected(NS3BaseNode.get_rtype())
+ if not self._node:
+ from nepi.resources.ns3.ns3node import NS3BaseNode
+ nodes = self.get_connected(NS3BaseNode.get_rtype())
- if not nodes:
- msg = "Application not connected to node"
- self.error(msg)
- raise RuntimeError, msg
+ if not nodes:
+ msg = "Application not connected to node"
+ self.error(msg)
+ raise RuntimeError(msg)
- return nodes[0]
+ self._node = nodes[0]
+
+ return self._node
@property
def _rms_to_wait(self):
def do_start(self):
if self.simulation.state < ResourceState.STARTED:
self.debug("---- RESCHEDULING START ----" )
- self.ec.schedule(reschedule_delay, self.start)
+ self.ec.schedule(self.reschedule_delay, self.start)
else:
super(NS3BaseApplication, self).do_start()
self._start_time = self.simulation.start_time
@property
def state(self):
if self._state == ResourceState.STARTED:
- is_running = self.simulation.invoke(self.uuid, "isAppRunning")
-
- if not is_running:
- self.set_stopped()
+ try:
+ is_running = self.simulation.invoke(self.uuid, "isAppRunning")
+
+ if not is_running:
+ self.set_stopped()
+ except:
+ msg = "Application failed. Can not retrieve state"
+ out = ""
+
+ import traceback
+ err = traceback.format_exc()
+ self.error(msg, out, err)
+ self.do_fail()
return self._state