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 as published by
7 # the Free Software Foundation, either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
20 from nepi.execution.resource import clsinit_copy, ResourceState
21 from nepi.resources.ns3.ns3base import NS3Base
24 class NS3BaseApplication(NS3Base):
25 _rtype = "abstract::ns3::Application"
27 def __init__(self, ec, guid):
28 super(NS3BaseApplication, self).__init__(ec, guid)
34 from nepi.resources.ns3.ns3node import NS3BaseNode
35 nodes = self.get_connected(NS3BaseNode.get_rtype())
38 msg = "Application not connected to node"
40 raise RuntimeError, msg
47 def _rms_to_wait(self):
52 def _connect_object(self):
54 if node.uuid not in self.connected:
55 self.simulation.invoke(node.uuid, "AddApplication", self.uuid)
56 self._connected.add(node.uuid)
59 if self.state == ResourceState.STARTED:
60 # No need to do anything, simulation.Destroy() will stop every object
61 self.info("Stopping command '%s'" % command)
62 self.simulation.invoke(self.uuid, "Stop")
66 if self.simulation.state < ResourceState.STARTED:
67 self.debug("---- RESCHEDULING START ----" )
68 self.ec.schedule(self.reschedule_delay, self.start)
70 super(NS3BaseApplication, self).do_start()
71 self._start_time = self.simulation.start_time
75 if self._state == ResourceState.STARTED:
77 is_running = self.simulation.invoke(self.uuid, "isAppRunning")
82 msg = "Application failed. Can not retrieve state"
86 err = traceback.format_exc()
87 self.error(msg, out, err)