Add startup experiments for NLSR and current testbed topology

refs: #4785

Change-Id: I957b8c229ed0696b2f3fca9445f9f27274b0e197
diff --git a/ndn/experiments/nlsr/delayed-start.py b/ndn/experiments/nlsr/delayed-start.py
new file mode 100644
index 0000000..e995c50
--- /dev/null
+++ b/ndn/experiments/nlsr/delayed-start.py
@@ -0,0 +1,66 @@
+# -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+#
+# Copyright (C) 2015-2018, 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/>.
+
+from ndn.experiments.experiment import Experiment
+from ndn.apps.nlsr import Nlsr, NlsrConfigGenerator
+
+from mininet.log import info
+
+import time
+
+class NlsrDelayedStartExperiment(Experiment):
+
+    def __init__(self, args):
+        Experiment.__init__(self, args)
+
+    def setup(self):
+        pass
+
+    def run(self):
+        pass
+
+    def startNlsr(self, checkConvergence = True):
+        # NLSR Security
+        if self.options.nlsrSecurity is True:
+            Nlsr.createKeysAndCertificates(self.net, self.options.workDir)
+
+        i = 1
+        # NLSR initialization
+        info('Starting NLSR on nodes\n')
+        for host in self.net.hosts:
+            host.nlsr = Nlsr(host, self.options)
+            host.nlsr.start()
+
+            # Wait 1/2 minute between starting NLSRs
+            # Wait 1 hour before starting last NLSR
+            if i == len(self.net.hosts) - 1:
+                info('Sleeping 1 hour before starting last NLSR')
+                time.sleep(3600)
+            else:
+                time.sleep(30)
+            i += 1
+
+        if checkConvergence:
+            self.checkConvergence()
+
+Experiment.register("nlsr-delayed-start", NlsrDelayedStartExperiment)