Link manipulation work again.

eval.py

@@ -13,7 +13,7 @@ if __name__ == "__main__":
 
     # TODO: support multiple tests via proper socket termination
     setups = [
-        perf.TestSetup(packets=2**10,delay=0,loss=0,reorder=0,duplicate=0)
+        perf.TestSetup(packets=2**10,delay=0,loss=30,reorder=0,duplicate=0)
     ]
 
     for setup in setups:

tests/perf/__init__.py

@@ -102,7 +102,7 @@ class TestSetup(object):
 
     def run(self):
         # TODO: create and apply only to specific traffic
-        #subprocess.run("tc disc add dev lo root netem " + self.netem_config(), shell=True)
+        subprocess.run("tc qdisc add dev lo root netem " + self.netem_config(), shell=True)
 
         seqnoDigits = math.ceil(math.log10(self.packets))
         recvThread = ReceiverThread(seqnoDigits, self.packets)
@@ -120,7 +120,7 @@ class TestSetup(object):
             item = (recvThread.receivedPackets[i] - sendThread.sentPackets[i]).item()
             delays[i] = item.total_seconds() if item is not None else np.NAN
 
-        #subprocess.run("tc qdisc del dev lo root", shell=True, check=True)
+        subprocess.run("tc qdisc del dev lo root", shell=True, check=True)
 
         results = TestResults()
         results.packetsSent = self.packets