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(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:
- is_running = self.simulation.invoke(self.uuid, "isAppRunning")
+ 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 = ""
- if not is_running:
- self.set_stopped()
+ import traceback
+ err = traceback.format_exc()
+ self.error(msg, out, err)
+ self.do_fail()
return self._state