def test_getRules_4(self):
topo = FatTree(k=8)
net = Mininet(topo=topo, controller=None)
ft = FatTreeConverted.from_mininet(net)
rules, s_d = ft.getRules()
net.stop()
self.assertEqual(64, len(s_d))
def test_assertOddK(self):
k = 3
try:
FatTree(k)
except Exception:
self.assertTrue(True)
else:
self.assertTrue(False)
def run():
topo = FatTree(6)
net = Mininet(topo=topo, link=TCLink, controller=None)
net.start()
# sleep(5)
# Mininet API for the experiment
# sysctl -w net.ipv4.neigh.default.gc_thresh1=4098
# increase the arp table cache
print("ARP TABLES")
net.staticArp()
ft = FatTreeConverted.from_mininet(net)
rules, s_d = ft.getRules()
ovs_rules = ft.getOVSRules(rules=rules)
for switch in net.switches:
print(switch.name)
rl = ovs_rules[switch.name]
for r in rl:
cmd = "bash -c 'ovs-ofctl add-flow {} {}'".format(switch.name, r)
print(switch.name, cmd)
switch.cmd(cmd)
print()
print(ovs_rules)
# Run the CLI
for s, d in s_d:
print(s, d)
ploss = net.ping([net.getNodeByName(s), net.getNodeByName(d)])
if ploss > 0:
print(s, d, "PACKET LOSS!")
break
print(ploss)
results = iperf(net, s_d)
print(results)
CLI(net)
net.stop()
def test_instanceType(self):
net = FatTree(4)
self.assertTrue(issubclass(type(net), Topo))
def test_linkNumber(self):
k = 6
net = FatTree(k)
links = len(net.links())
exp_links = ((k / 2)**2) * k * 2 + k * ((k / 2)**2)
self.assertEqual(exp_links, links)
def test_hostNumber_1(self):
k = 6
net = FatTree(k)
hosts = len(net.hosts())
self.assertEqual((((k / 2)**2) * k), hosts)