def perfTest():
"Create network and run simple performance test"
topo = LinearTopo(k=2)
net = Mininet(topo=topo,
host=CPULimitedHost, link=TCLink)
net.start()
print "Dumping host connections"
dumpNodeConnections(net.hosts)
print "Testing network connectivity"
net.pingAll()
ping_latency(net)
h1 = net.getNodeByName('h1')
h2 = net.getNodeByName('h2')
h3 = net.getNodeByName('h3')
#h1.cmd("tc -s qdisc show dev h1-eth0")
print "Allocate two Qs to s1"
#os.system("tc -s qdisc show dev %s" % args.iface)
os.system("bash tc_cmd_diff.sh %s" % args.iface)
#h1.cmd("bash tc_cmd_diff.sh h1-eth0")
#h1.cmd("tc -s show dev h1-eth0")
# h2.cmd('iperf -s -w 16m -p 5001 -i 1 > iperf-recv.txt &')
h2.cmd('iperf -s -p %s -i 1 > iperf_server_TCP.txt &' % 5001)
# (CUSTOM_IPERF_PATH, 5001, args.dir))
h3.cmd('iperf -s -p %s -u -i 1 > iperf_server_UDP.txt &' % 5003)
monitor = Process(target=monitor_qlen,
args=("%s"%args.iface,float(args.sampleR),int(args.nQ), "%s_%s"% (args.exp,args.out)))
monitor.start()
#h1.cmd("./monitor.sh test1 h1-eth0")
CLI(net)
monitor.terminate()
os.system('killall -9 iperf' )
net.stop()
for i in xrange(int(args.nQ)):
print "Saving and ploting output files..."
plot_st("Q%d%s_%s" % (i+1,args.exp,args.out),int(args.btn),i+1)
Popen("killall -9 cat", shell=True).wait()
def Test():
"Create network and run simple performance test"
topo = SimpleTopo(k=2)
net = Mininet(topo=topo,
host=CPULimitedHost, link=TCLink)
addrealintf(net,args.intf,args.btn,args.maxq)
rootnode = connectToInternet(net)
print "Dumping host connections"
dumpNodeConnections(net.hosts)
print "Testing network connectivity"
net.pingAll()
h1 = net.getNodeByName('h1')
h2 = net.getNodeByName('dhcp')
#h1.cmd("tc -s qdisc show dev h1-eth0")
print "Allocate two Qs to s1"
#os.system("tc -s qdisc show dev %s" % args.iface)
# os.system("bash tc_cmd_diff.sh %s" % args.iface)
os.system("bash tc_diablo.sh %s" % args.iface)
#h1.cmd("bash tc_cmd_diff.sh h1-eth0")
#h1.cmd("tc -s show dev h1-eth0")
# h2.cmd('iperf -s -w 16m -p 5001 -i 1 > iperf-recv.txt &')
#h2.cmd('iperf -s -p %s -i 1 > iperf_server_TCP.txt &' % 5001)
# (CUSTOM_IPERF_PATH, 5001, args.dir))
#monitoring the network
monitor = Process(target=monitor_qlen,
args=("%s"%args.iface,float(args.sampleR),int(args.nQ), "%s_%s"% (args.exp,args.out)))
threadq = myThread(1,args.iface,120)
monitor.start()
threadq.start()
#start mininet CLI
CLI(net)
#terminate
monitor.terminate()
threadq.stop()
os.system('killall -9 iperf' )
net.hosts[0].cmd('killall -9 dhcpd')
stopNAT( rootnode )
net.stop()
#plot
for i in xrange(int(args.nQ)):
print "Saving and ploting output files..."
plot_st("Q%d%s_%s" % (i+1,args.exp,args.out),int(args.btn),i+1)
Popen("killall -9 cat", shell=True).wait()