examples: adding some basic examples
* consumer/producer
* ndnping
* traffic generator
* catchunks/putchunks
Change-Id: Ie4c37f08f29a945f2fb1ce0b4d36da1bfb3edd3b
diff --git a/examples/nlsr/prefix_propogation.py b/examples/nlsr/prefix_propogation.py
index 7ea027c..e27c74f 100644
--- a/examples/nlsr/prefix_propogation.py
+++ b/examples/nlsr/prefix_propogation.py
@@ -1,6 +1,6 @@
# -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
#
-# Copyright (C) 2015-2019, The University of Memphis,
+# Copyright (C) 2015-2021, The University of Memphis,
# Arizona Board of Regents,
# Regents of the University of California.
#
@@ -22,6 +22,7 @@
# If not, see <http://www.gnu.org/licenses/>.
import time
+import sys
from mininet.log import setLogLevel, info