# Copyright (C) 2013 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
ping12 = ec.trace(app12, 'stdout')
-f = open("examples/openvswitch/ovs_ping_3switches_loop.txt", 'w')
-
-if not ping12:
- ec.shutdown()
-
-f.write("************ Ping From Switch 1 : 192.168.3.2 ********************\n\n")
-f.write(ping1)
-f.write("--------------------------------------\n")
-f.write(ping2)
-f.write("************ Ping From Switch 2 : 192.168.3.4 ********************\n\n")
-f.write(ping3)
-f.write("--------------------------------------\n")
-f.write(ping4)
-f.write("************ Ping From Switch 3 : 192.168.3.6 ********************\n\n")
-f.write(ping5)
-f.write("--------------------------------------\n")
-f.write(ping6)
-f.write("************ Ping From Host 1 : 192.168.3.1 ********************\n\n")
-f.write(ping7)
-f.write("--------------------------------------\n")
-f.write(ping8)
-f.write("************ Ping From Host 2 : 192.168.3.3 ********************\n\n")
-f.write(ping9)
-f.write("--------------------------------------\n")
-f.write(ping10)
-f.write("************ Ping From Host 3 : 192.168.3.5 ********************\n\n")
-f.write(ping11)
-f.write("--------------------------------------\n")
-f.write(ping12)
-f.close()
+with open("examples/openvswitch/ovs_ping_3switches_loop.txt", 'w') as f:
+
+ if not ping12:
+ ec.shutdown()
+
+ f.write("************ Ping From Switch 1 : 192.168.3.2 ********************\n\n")
+ f.write(ping1)
+ f.write("--------------------------------------\n")
+ f.write(ping2)
+ f.write("************ Ping From Switch 2 : 192.168.3.4 ********************\n\n")
+ f.write(ping3)
+ f.write("--------------------------------------\n")
+ f.write(ping4)
+ f.write("************ Ping From Switch 3 : 192.168.3.6 ********************\n\n")
+ f.write(ping5)
+ f.write("--------------------------------------\n")
+ f.write(ping6)
+ f.write("************ Ping From Host 1 : 192.168.3.1 ********************\n\n")
+ f.write(ping7)
+ f.write("--------------------------------------\n")
+ f.write(ping8)
+ f.write("************ Ping From Host 2 : 192.168.3.3 ********************\n\n")
+ f.write(ping9)
+ f.write("--------------------------------------\n")
+ f.write(ping10)
+ f.write("************ Ping From Host 3 : 192.168.3.5 ********************\n\n")
+ f.write(ping11)
+ f.write("--------------------------------------\n")
+ f.write(ping12)
# Delete the overlay network
ec.shutdown()