ndn: Add NLSR experiments
Change-Id: I0b86b121a5c8bf6a6e6e8df5027fe49561a9283b
diff --git a/ndn/experiments/failure_experiment.py b/ndn/experiments/failure_experiment.py
new file mode 100644
index 0000000..d4e9380
--- /dev/null
+++ b/ndn/experiments/failure_experiment.py
@@ -0,0 +1,42 @@
+#!/usr/bin/python
+
+from ndn.experiments.experiment import Experiment
+from ndn.nlsr import Nlsr
+
+import time
+
+class FailureExperiment(Experiment):
+
+ def __init__(self, net, nodes, convergenceTime, strategy):
+
+ Experiment.__init__(self, net, nodes, convergenceTime, 300, strategy)
+ self.PING_COLLECTION_TIME_BEFORE_FAILURE = 60
+ self.PING_COLLECTION_TIME_AFTER_RECOVERY = 90
+
+ def run(self):
+ self.startPings()
+
+ # After the pings are scheduled, collect pings for 1 minute
+ time.sleep(self.PING_COLLECTION_TIME_BEFORE_FAILURE)
+
+ # Bring down CSU
+ for host in self.net.hosts:
+ if host.name == "csu":
+ print("Bringing CSU down")
+ host.nfd.stop()
+ break
+
+ # CSU is down for 2 minutes
+ time.sleep(120)
+
+ # Bring CSU back up
+ for host in self.net.hosts:
+ if host.name == "csu":
+ print("Bringing CSU up")
+ host.nfd.start()
+ host.nlsr.start()
+ host.nfd.setStrategy("/ndn/edu", self.strategy)
+ host.cmd("ndnpingserver /ndn/edu/" + str(host) + " > ping-server &")
+
+ # Collect pings for more seconds after CSU is up
+ time.sleep(self.PING_COLLECTION_TIME_AFTER_RECOVERY)