def get_max_throughput(net, output_dir):
reset()
cprint("Finding max throughput...", 'red')
seconds = args.time
server, client = net.hosts[0], net.hosts[1]
server.popen("%s -s -p %s" %
(CUSTOM_IPERF_PATH, 5001), shell=True)
proc = client.popen("%s -c %s -p %s -t %d -yc -i 10 > %s/max_throughput.txt" %
(CUSTOM_IPERF_PATH, server.IP(), 5001, seconds, output_dir), shell=True)
progress(args.time + 1)
proc.communicate()
os.system('killall -9 ' + CUSTOM_IPERF_PATH)
def get_max_throughput(net, output_dir):
reset()
cprint("Finding max throughput...", 'red')
seconds = args.time
server, client = net.hosts[0], net.hosts[1]
server.popen("%s -s -p %s" % (CUSTOM_IPERF_PATH, 5001), shell=True)
proc = client.popen(
"%s -c %s -p %s -t %d -yc -i 10 > %s/max_throughput.txt" %
(CUSTOM_IPERF_PATH, server.IP(), 5001, seconds, output_dir),
shell=True)
progress(args.time + 1)
proc.communicate()
os.system('killall -9 ' + CUSTOM_IPERF_PATH)
def main():
top_dir = os.path.join(args.dir, args.topo, args.workload)
if not os.path.exists(top_dir):
os.makedirs(top_dir)
start = time()
topo, pox_c = get_topology(top_dir)
link = custom(TCLink, bw=args.bw,
max_queue_size=args.q) #, delay=args.delay)
net = Mininet(controller=RemoteController,
topo=topo,
host=Host,
link=link,
switch=OVSKernelSwitch)
net.start()
workload = get_workload(net)
#net.pingAll()
sleep(3)
#CLI(net)
get_max_throughput(net, top_dir)
for nflows in range(1, 9):
cwd = os.path.join(top_dir, "flows%d" % nflows)
if not os.path.exists(cwd):
os.makedirs(cwd)
enable_mptcp(nflows)
cprint(
"Starting experiment for workload %s with %i subflows" %
(args.workload, nflows), "green")
workload.run(cwd, args.qmon)
# Shut down iperf processes
os.system('killall -9 ' + CUSTOM_IPERF_PATH)
net.stop()
# kill pox controller
pox_c.kill()
pox_c.wait()
Popen("killall -9 top bwm-ng tcpdump cat mnexec", shell=True).wait()
end = time()
reset()
cprint("Experiment took %.3f seconds" % (end - start), "yellow")
def main():
top_dir = os.path.join(args.dir, args.topo, args.workload)
if not os.path.exists(top_dir):
os.makedirs(top_dir)
start = time()
topo, pox_c = get_topology(top_dir)
link = custom(TCLink, bw=args.bw, max_queue_size=args.q) #, delay=args.delay)
net = Mininet(controller=RemoteController, topo=topo, host=Host,
link=link, switch=OVSKernelSwitch)
net.start()
workload = get_workload(net)
#net.pingAll()
sleep(3)
#CLI(net)
get_max_throughput(net, top_dir)
for nflows in range(1, 9):
cwd = os.path.join(top_dir, "flows%d" % nflows)
if not os.path.exists(cwd):
os.makedirs(cwd)
enable_mptcp(nflows)
cprint("Starting experiment for workload %s with %i subflows" % (
args.workload, nflows), "green")
workload.run(cwd, args.qmon)
# Shut down iperf processes
os.system('killall -9 ' + CUSTOM_IPERF_PATH)
net.stop()
# kill pox controller
pox_c.kill()
pox_c.wait()
Popen("killall -9 top bwm-ng tcpdump cat mnexec", shell=True).wait()
end = time()
reset()
cprint("Experiment took %.3f seconds" % (end - start), "yellow")
(args.workload, nflows), "green")
workload.run(cwd, args.qmon)
# Shut down iperf processes
os.system('killall -9 ' + CUSTOM_IPERF_PATH)
net.stop()
# kill pox controller
pox_c.kill()
pox_c.wait()
Popen("killall -9 top bwm-ng tcpdump cat mnexec", shell=True).wait()
end = time()
reset()
cprint("Experiment took %.3f seconds" % (end - start), "yellow")
if __name__ == '__main__':
try:
main()
except:
print "-" * 80
print "Caught exception. Cleaning up..."
print "-" * 80
import traceback
reset()
traceback.print_exc()
os.system("killall -9 top bwm-ng tcpdump cat mnexec iperf; mn -c")
def main(args):
topo = TwoHostNInterfaceTopo(n=args.n)
link = custom(TCLink, bw=args.bw)
net = Mininet(topo=topo, switch=Switch, link=link)
set_enabled(args.mptcp)
set_ndiffports(args.ndiffports)
net.start()
h1 = net.getNodeByName('h1')
h2 = net.getNodeByName('h2')
for j in range(args.n):
h1.cmdPrint('ifconfig h1-eth%i 10.0.%i.1 netmask 255.255.255.0' %
(j, j))
h2.cmdPrint('ifconfig h2-eth%i 10.0.%i.2 netmask 255.255.255.0' %
(j, j))
if args.mptcp:
dev = 'h1-eth%i' % (j)
h1.cmdPrint('ip rule add from 10.0.%i.1 table %i' % (j, j+1))
h1.cmdPrint('ip route add 10.0.%i.0/24 dev %s scope link table %i' \
% (j, dev, j+1))
h1.cmdPrint('ip route add default via 10.0.%i.1 dev %s table %s'\
% (j, dev, j+1))
if args.debug:
outfiles = {h: '/tmp/%s.out' % h.name for h in net.hosts}
errfiles = {h: '/tmp/%s.out' % h.name for h in net.hosts}
[ h.cmd('echo >',outfiles[h]) for h in net.hosts ]
[ h.cmd('echo >',errfiles[h]) for h in net.hosts ]
if args.debug:
h2.sendCmd('python receiver.py --id %d --nr %d --ns %d --ds %s --debug'
%(0, 1, 1, args.ds),
'>', outfiles[h2],
'2>', errfiles[h2])
else:
h2.sendCmd('python receiver.py --id %d --nr %d --ns %d --ds %s'
%(0, 1, 1, args.ds))
ips = [ h2.IP() ]
time.sleep(1)
if args.debug:
h1.sendCmd('python sender.py --id %d --ns %d --ips %s --ds %s --debug'\
% (0, 1, ips, args.ds),
'>', outfiles[h1],
'2>', errfiles[h1])
else:
h1.sendCmd('python sender.py --id %d --cs %d --ns %d --ips %s --ds %s'\
% (0, 500, 1, ips, args.ds))
tts = {}
ttr = {}
p = Popen(['./timer.py'])
tts[h1] = h1.waitOutput()
ttr[h2] = h2.waitOutput()
p.kill()
print tts.values()
print ttr.values()
write_results(tts, ttr, args)
net.stop()
reset()
args.r = int(args.r)
return args
def write_results(tts, ttr, args):
if not os.path.exists('../results/sw%s' %
(args.n)):
os.makedirs('../results/sw%s' % (args.n))
if args.mptcp:
f = open('../results/sw%s/bw%s_nf%s_mptcp.csv' %
(args.n,args.bw,args.ndiffports), 'a')
else:
f = open('../results/sw%s/bw%s_nf%s.csv' %
(args.n,args.bw,args.ndiffports), 'a')
f.write('%s,%s\n' %
(','.join(map(lambda x: x.strip('\n'), tts.values())),
','.join(map(lambda x: x.strip('\n'), ttr.values()))))
f.close()
if __name__ == '__main__':
try:
# lg.setLogLevel('info')
args = parse_args()
main(args)
except:
import traceback
traceback.print_exc(file=sys.stdout)
reset()
os.system("mn -c; killall controller")
def main():
args = parse_args()
# pox_c = Popen("exec ~/pox/pox.py --no-cli riplpox.riplpox --topo=dht --routing=hashed --mode=reactive 1> /tmp/pox.out 2> /tmp/pox.out", shell=True)
pox_c = Popen("exec ~/pox/pox.py --no-cli riplpox.riplpox --topo=ft,%s --routing=hashed --mode=reactive 1> /tmp/pox.out 2> /tmp/pox.out" % args.k, shell=True)
time.sleep(1) # wait for controller to start
topo = FatTreeTopo(k=args.k)
# topo = DualHomedTopo(k=args.k)
link = custom(TCLink, bw=args.bw, max_queue_size=100)
print 'Starting mininet...'
net = Mininet(controller=RemoteController, topo=topo, link=link,
switch=OVSKernelSwitch, host=Host)
net.start()
enable_mptcp(args.nflows)
time.sleep(3)
mappings = create_mappings(args, net)
sndrs = mappings['s']
rcvrs = mappings['r']
# print 's:', sndrs
# print 'r:', rcvrs
if args.debug:
outfiles = {h: '/tmp/%s.out' % h.name for h in sndrs + rcvrs}
errfiles = {h: '/tmp/%s.out' % h.name for h in sndrs + rcvrs}
[ h.cmd('echo >',outfiles[h]) for h in sndrs + rcvrs ]
[ h.cmd('echo >',errfiles[h]) for h in sndrs + rcvrs ]
for r in rcvrs:
if args.debug:
r.sendCmd('python receiver.py --id %s --nr %d --ns %d --ds %s --debug'
% (r.name, args.nr, args.ns, args.ds),
'1>', outfiles[r],
'2>', errfiles[r])
else:
r.sendCmd('python receiver.py --id %s --nr %i --ns %i --ds %s'
% (r.name, args.nr, args.ns, args.ds))
time.sleep(1) # let servers start up
ips = map(lambda x: x.IP(), rcvrs)
for s,i in zip(sndrs,range(len(sndrs))):
if args.debug:
s.sendCmd('python sender.py --id %s --cs %d --ips %s --ds %s --debug'
% (i, args.cs, ips, args.ds),
'1>', outfiles[s],
'2>', errfiles[s])
else:
s.sendCmd('python sender.py --id %s --cs %d --ips %s --ds %s' %
(i, args.cs, ips, args.ds))
tts = {}
ttr = {}
p = subprocess.Popen(['./timer.py'])
for s in sndrs:
tts[s] = s.waitOutput()
for r in rcvrs:
ttr[r] = r.waitOutput()
p.kill()
print tts.values()
print ttr.values()
net.stop()
# kill pox controller
pox_c.kill()
pox_c.wait()
#net.stop()
reset()
write_results(tts, ttr, args)
