Add experiment to test nlsrc

refs: #4216

Change-Id: I59d1c96bfa5cdedf308d8885cbb2c487994c4c5b
diff --git a/ndn/experiments/prefix_propogation.py b/ndn/experiments/prefix_propogation.py
new file mode 100644
index 0000000..4fe7dee
--- /dev/null
+++ b/ndn/experiments/prefix_propogation.py
@@ -0,0 +1,66 @@
+# -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+#
+# Copyright (C) 2015-2017, The University of Memphis,
+#                          Arizona Board of Regents,
+#                          Regents of the University of California.
+#
+# This file is part of Mini-NDN.
+# See AUTHORS.md for a complete list of Mini-NDN authors and contributors.
+#
+# Mini-NDN 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.
+#
+# Mini-NDN is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Mini-NDN, e.g., in COPYING.md file.
+# If not, see <http://www.gnu.org/licenses/>.
+
+import sys
+import time
+from ndn.experiments.experiment import Experiment
+
+class PrefixPropogationExperiment(Experiment):
+
+    def __init__(self, args):
+        Experiment.__init__(self, args)
+
+    def setup(self):
+        self.checkConvergence()
+
+    def run(self):
+        firstNode = self.net.hosts[0]
+
+        if self.nlsrSecurity:
+            firstNode.cmd("ndnsec-set-default /ndn/{}-site/%C1.Operator/op".format(firstNode.name))
+
+        print("Testing advertise")
+        firstNode.cmd("nlsrc advertise /testPrefix")
+        time.sleep(30)
+
+        for host in self.net.hosts:
+            if host.name != firstNode.name:
+                if (int(host.cmd("nfdc fib | grep testPrefix | wc -l")) != 1 or
+                   int(host.cmd("nlsrc status | grep testPrefix | wc -l")) != 1):
+                    print("Advertise test failed")
+                    self.net.stop()
+                    sys.exit(1)
+
+        print("Testing withdraw")
+        firstNode.cmd("nlsrc withdraw /testPrefix")
+        time.sleep(30)
+
+        for host in self.net.hosts:
+            if host.name != firstNode.name:
+                if (int(host.cmd("nfdc fib | grep testPrefix | wc -l")) != 0 or
+                   int(host.cmd("nlsrc status | grep testPrefix | wc -l")) != 0):
+                    print("Withdraw test failed")
+                    self.net.stop()
+                    sys.exit(1)
+
+Experiment.register("prefix-propogation", PrefixPropogationExperiment)