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Fixing core dump in NS3/DCE caused by getting the DceApplication Pid too early
[nepi.git]
/
src
/
nepi
/
resources
/
ns3
/
ns3application.py
diff --git
a/src/nepi/resources/ns3/ns3application.py
b/src/nepi/resources/ns3/ns3application.py
index
1007c5f
..
64bacf7
100644
(file)
--- a/
src/nepi/resources/ns3/ns3application.py
+++ b/
src/nepi/resources/ns3/ns3application.py
@@
-24,17
+24,24
@@
from nepi.resources.ns3.ns3base import NS3Base
class NS3BaseApplication(NS3Base):
_rtype = "abstract::ns3::Application"
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):
@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):
@property
def _rms_to_wait(self):