Pass code check.

This commit is contained in:
Bob Lantz
2012-04-10 00:12:37 +00:00
parent 92b601aba9
commit 7cb340b7c9
3 changed files with 36 additions and 47 deletions
+26 -27
View File
@@ -12,34 +12,33 @@ from mininet.util import dumpNodeConnections
from mininet.log import setLogLevel
class SingleSwitchTopo(Topo):
"Single switch connected to n hosts."
def __init__(self, n=2, **opts):
Topo.__init__(self, **opts)
switch = self.add_switch('s1')
for h in range(n):
# Each host gets 50%/n of system CPU
host = self.add_host('h%s' % (h + 1),
cpu=.5/n)
# 10 Mbps, 5ms delay, 10% loss
self.add_link(host, switch,
bw=10, delay='5ms', loss=10, use_htb=True)
"Single switch connected to n hosts."
def __init__(self, n=2, **opts):
Topo.__init__(self, **opts)
switch = self.add_switch('s1')
for h in range(n):
# Each host gets 50%/n of system CPU
host = self.add_host('h%s' % (h + 1),
cpu=.5 / n)
# 10 Mbps, 5ms delay, 10% loss
self.add_link(host, switch,
bw=10, delay='5ms', loss=10, use_htb=True)
def perfTest():
"Create network and run simple performance test"
topo = SingleSwitchTopo(n=4)
net = Mininet(topo=topo,
host=CPULimitedHost, link=TCLink)
net.start()
print "Dumping host connections"
dumpNodeConnections(net.hosts)
print "Testing network connectivity"
net.pingAll()
print "Testing bandwidth between h1 and h4"
h1 = net.getNodeByName('h1')
h4 = net.getNodeByName('h4')
net.iperf((h1, h4))
net.stop()
"Create network and run simple performance test"
topo = SingleSwitchTopo(n=4)
net = Mininet(topo=topo,
host=CPULimitedHost, link=TCLink)
net.start()
print "Dumping host connections"
dumpNodeConnections(net.hosts)
print "Testing network connectivity"
net.pingAll()
print "Testing bandwidth between h1 and h4"
h1, h4 = net.getNodeByName('h1', 'h4')
net.iperf((h1, h4))
net.stop()
if __name__ == '__main__':
setLogLevel('info')
perfTest()
setLogLevel('info')
perfTest()