2 # NEPI, a framework to manage network experiments
3 # Copyright (C) 2014 INRIA
5 # This program is free software: you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License version 2 as
7 # published by the Free Software Foundation;
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
19 from nepi.execution.resource import clsinit_copy, ResourceState
20 from nepi.resources.ns3.ns3base import NS3Base
23 class NS3BaseApplication(NS3Base):
24 _rtype = "abstract::ns3::Application"
26 def __init__(self, ec, guid):
27 super(NS3BaseApplication, self).__init__(ec, guid)
33 from nepi.resources.ns3.ns3node import NS3BaseNode
34 nodes = self.get_connected(NS3BaseNode.get_rtype())
37 msg = "Application not connected to node"
39 raise RuntimeError(msg)
46 def _rms_to_wait(self):
51 def _connect_object(self):
53 if node.uuid not in self.connected:
54 self.simulation.invoke(node.uuid, "AddApplication", self.uuid)
55 self._connected.add(node.uuid)
58 if self.state == ResourceState.STARTED:
59 # No need to do anything, simulation.Destroy() will stop every object
60 self.info("Stopping command '%s'" % command)
61 self.simulation.invoke(self.uuid, "Stop")
65 if self.simulation.state < ResourceState.STARTED:
66 self.debug("---- RESCHEDULING START ----" )
67 self.ec.schedule(self.reschedule_delay, self.start)
69 super(NS3BaseApplication, self).do_start()
70 self._start_time = self.simulation.start_time
74 if self._state == ResourceState.STARTED:
76 is_running = self.simulation.invoke(self.uuid, "isAppRunning")
81 msg = "Application failed. Can not retrieve state"
85 err = traceback.format_exc()
86 self.error(msg, out, err)