def test():
topo = DssTopo()
net = Mininet(topo, link=TCLink)
net.start()
with open("pause.test","a") as myfile:
for x in range(0,2000):
st1 = net.pingPairFull()
#print 'pausing'
time.sleep(0.01)
pause()
myfile.write( repr(st1[0][2][3]))
myfile.write('\n')
with open("noPause.test","a") as myffile:
for x in range(0,2000):
st1 = net.pingPairFull()
#print 'pausing'
time.sleep(0.01)
#pause()
myffile.write( repr(st1[0][2][3]))
myffile.write('\n')
net.stop()
def intfOptions():
"run various traffic control commands on a single interface"
net = Mininet( autoStaticArp=True )
net.addController( 'c0' )
h1 = net.addHost( 'h1' )
h2 = net.addHost( 'h2' )
s1 = net.addSwitch( 's1' )
link1 = net.addLink( h1, s1, cls=TCLink )
net.addLink( h2, s1 )
net.start()
# flush out latency from reactive forwarding delay
net.pingAll()
info( '\n*** Configuring one intf with bandwidth of 5 Mb\n' )
link1.intf1.config( bw=5 )
info( '\n*** Running iperf to test\n' )
net.iperf()
info( '\n*** Configuring one intf with loss of 50%\n' )
link1.intf1.config( loss=50 )
info( '\n' )
net.iperf( ( h1, h2 ), l4Type='UDP' )
info( '\n*** Configuring one intf with delay of 15ms\n' )
link1.intf1.config( delay='15ms' )
info( '\n*** Run a ping to confirm delay\n' )
net.pingPairFull()
info( '\n*** Done testing\n' )
net.stop()
def test():
topo = DssTopo()
net = Mininet(topo, link=TCLink)
net.start()
with open("pause.test","a") as myfile:
for x in range(0,2000):
st1 = net.pingPairFull()
#print 'pausing'
time.sleep(0.01)
pause()
myfile.write( repr(st1[0][2][3]))
myfile.write('\n')
with open("noPause.test","a") as myffile:
for x in range(0,2000):
st1 = net.pingPairFull()
#print 'pausing'
time.sleep(0.22)
#pause()
myffile.write( repr(st1[0][2][3]))
myffile.write('\n')
net.stop()
def build():
net = Mininet( autoStaticArp=True, waitConnected=True )
#define router node
router = net.addNode('r0', cls=Router, ip = '192.168.1.1/24')
#add switch nodes
s1, s2 = [net.addSwitch(s) for s in ('s1','s2')]
#add routes
net.addLink(s1, router, intfName2 = 'ro-eth0', params2 = {'ip' : '192.168.1.1/24'})
net.addLink(s2, router, intfName2 = 'ro-eth1', params2 = {'ip' : '10.0.0.1/8'})
#add hosts
h1 = net.addHost('h1', ip = '192.168.1.50/24', defaultRoute = 'via 192.168.1.1')
h2 = net.addHost('h2', ip = '10.0.0.50/8', defaultRoute = 'via 10.0.0.1')
#add links between hosts and switches
#add adjustable performance link
link1 = net.addLink(h1, s1, cls = TCLink)
#add normal link
net.addLink(h2, s1)
"Test router"
net.start()
info( '*** Routing Table on Router:\n' )
info( net[ 'r0' ].cmd( 'route' ) )
# flush out latency from reactive forwarding delay
net.pingAll()
info('\n***Configure one intf with 10Mb/s bandwidth')
link1.intf1.config( bw=10 )
info( '\n*** Running iperf to test\n' )
net.iperf( seconds=10 )
info( '\n*** Configuring one intf with delay of 15ms\n' )
link1.intf1.config( delay='15ms' )
info( '\n*** Run a ping to confirm delay of 15ms\n' )
net.pingPairFull()
info( '\n*** Configuring one intf with jitter of 1ms\n' )
link1.intf1.config( jitter='1ms' )
info( '\n*** Run iperf to confirm 1ms jitter\n' )
net.iperf( ( h1, h2 ), l4Type='UDP' )
info( '\n*** Configuring one intf with loss of 50%\n' )
link1.intf1.config( loss=50 )
info( '\n' )
net.iperf( ( h1, h2 ), l4Type='UDP' )
info( '\n*** Done testing\n' )
CLI( net )
net.stop()
def intfOptions():
"run various traffic control commands on a single interface"
net = Mininet( autoStaticArp=True, waitConnected=True )
net.addController( 'c0' )
h1 = net.addHost( 'h1' )
h2 = net.addHost( 'h2' )
#add switch nodes
s1, s2 = [net.addSwitch(s) for s in ('s1','s2')]
#add links
link1 = net.addLink( h1, s1, cls=TCLink )
net.addLink( h2, s1 )
net.start()
# flush out latency from reactive forwarding delay
net.pingAll()
info('\n***Configure one intf with 10Mb/s bandwidth')
link1.intf1.config( bw=10 )
info( '\n*** Running iperf to test\n' )
net.iperf( seconds=10 )
info( '\n*** Configuring one intf with delay of 15ms\n' )
link1.intf1.config( delay='15ms' )
info( '\n*** Run a ping to confirm delay of 15ms\n' )
net.pingPairFull()
info( '\n*** Configuring one intf with jitter of 1ms\n' )
link1.intf1.config( jitter='1ms' )
info( '\n*** Run iperf to confirm 1ms jitter\n' )
net.iperf( ( h1, h2 ), l4Type='UDP' )
info( '\n*** Configuring one intf with loss of 50%\n' )
link1.intf1.config( loss=50 )
info( '\n' )
net.iperf( ( h1, h2 ), l4Type='UDP' )
info( '\n*** Done testing\n' )
net.stop()
def testtopology():
tkinter.messagebox.showinfo("Deploy topology to mininet ", "Press ok button and wait for a seconds to see result")
with open('./stdout.txt', 'w') as outfile:
with redirect_stdout(outfile), redirect_stderr(outfile):
topo = CustomTopology()
net = Mininet(topo=topo, cleanup=True)
print('\n =================================================> Start the topology \n')
net.start()
print('\n =================================================> Test the topology by running a ping command \n')
ping_all_full = net.pingAllFull()
print('Result from ping Test: \n' + '\n' + str(ping_all_full) + '\n' + '\n % of packets dropped.\n')
ping_pair = net.pingPairFull()
print('Result from Regression Test : \n' + '\n' + str(ping_pair) + '\n' + '\n % of packets dropped.\n')
print('\n ==============> Testing TCP bandwidth between: \n')
iperf_origin = net.getNodeByName(node_1)
iperf_destination = net.getNodeByName(node_2)
iPerf = net.iperf([iperf_origin, iperf_destination])
print('Result from iPerf between node ' + node_1 + ' and node ' + node_2 + '\n' + '\n' + str(iPerf) + '\n')
stop = net.stop()
print('Stop the network:' + str(stop) + '\n')
clean = net.cleanup
print('cleanup the mininet network: ' + str(clean) + '\n')
with open('./stdout.txt') as infile:
mnOutput.insert(END, infile.read())
topo = SingleSwitchTopo(3)
try:
net = Mininet(topo=topo)
except:
cleanup()
net = Mininet(topo=topo)
print('Starting single switch network with three hosts')
net.start()
print('\nNetwork started. Press ctrl+d to close CLI.\n')
print('--Nodes--\n' + ' '.join(net.keys()))
s = net.get('h1')
a = net.get('h2')
b = net.get('h3')
for bw in [0.01, 0.1, 0.5, 1, 5]:
print('********* ' + str(bw) + ' **************')
for h in net.hosts:
h.intfs[0].config(**{ 'bw' : bw, 'delay' : '1ms' })
for cw in [3, 5, 8, 10]:
s.cmd('ip route change 10.0.0.0/8 dev h1-eth0 proto kernel scope link src 10.0.0.1 initcwnd ' + str(cw))
net.pingPairFull()
CLI(net)
print('Stopping network')
net.stop()
cleanup()
