# 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
+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):
self.simulation.invoke(node.uuid, "AddApplication", self.uuid)
self._connected.add(node.uuid)
-
def do_stop(self):
if self.state == ResourceState.STARTED:
# No need to do anything, simulation.Destroy() will stop every object
self.simulation.invoke(self.uuid, "Stop")
self.set_stopped()
+ def do_start(self):
+ if self.simulation.state < ResourceState.STARTED:
+ self.debug("---- RESCHEDULING 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:
+ if self._state == ResourceState.STARTED:
+ 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
- """
- now = testbed_instance.ns3.Simulator.Now()
- if now.IsZero():
- return STATUS_NOT_STARTED
- app = testbed_instance.elements[guid]
- parameters = testbed_instance._get_parameters(guid)
- if "StartTime" in parameters and parameters["StartTime"]:
- start_value = parameters["StartTime"]
- start_time = testbed_instance.ns3.Time(start_value)
- if now.Compare(start_time) < 0:
- return STATUS_NOT_STARTED
- if "StopTime" in parameters and parameters["StopTime"]:
- stop_value = parameters["StopTime"]
- stop_time = testbed_instance.ns3.Time(stop_value)
- if now.Compare(stop_time) < 0:
- return STATUS_RUNNING
- else:
- return STATUS_FINISHED
- return STATUS_UNDETERMINED
- """