def main():
setLogLevel('info')
topo = EvalTetraTopo()
net = Containernet(controller=RemoteController,
topo=topo,
build=False,
autoSetMacs=True,
link=TCLink)
net.start()
print()
print("**Wiping log dir.")
for root, dirs, files in os.walk(LoggingReceiveAction.LOG_DIR):
for file in files:
os.remove(os.path.join(root, file))
print("**Starting containernet REST Server.")
thr = threading.Thread(target=start_rest,
args=(net, )) # comma behind net is on purpose
thr.daemon = True
thr.start()
# wait for connection with controller
time.sleep(3)
hosts = net.hosts
# send arp from reqHost to every other host -> required by ONOS HostService to resolve hosts (i.e. map MAC<->IP)
reqHost = hosts[0]
for host in hosts:
if (host is not reqHost):
startARP(reqHost, reqHost.IP(), reqHost.MAC(), host.IP(),
reqHost.intf())
CLI(net)
## set up UDP servers to join group
for host in hosts:
if host.name in ['tbs10host', 'tbs11host', 'tbs4host', 'tbs21host']:
startUDPServer(host, GROUP_IP, host.IP())
CLI(net)
## send data
startUDPClient(net.getNodeByName('tbs17host'),
GROUP_IP,
UDP_MESSAGE_SIZE_BYTES,
count=PACKET_COUNT,
rate=PACKETS_PER_SECOND)
CLI(net)
net.stop()
def main():
parser = argparse.ArgumentParser(
description=
'Starts a containernet topology and a REST server for VNF instantiation from controller.'
)
parser.add_argument('topology',
metavar='T',
type=str,
nargs=1,
help="the topology to start")
parser.add_argument('--hw', action='store_true')
args = parser.parse_args()
topo = topoInstance(args.topology[0], args.hw)
setLogLevel('info')
net = Containernet(controller=RemoteController,
topo=topo,
build=True,
autoSetMacs=True,
link=TCLink)
if args.hw:
addDummyHost(net, topo)
net.start()
# for VNF mgmt
startREST(net)
# wait for connection with controller
time.sleep(3)
# ARP
if args.hw:
arpHw(net)
else:
arpEmulated(net)
# dummy
if args.hw:
setUpDummy(net)
# plot
shost = net.getNodeByName('shost')
plotter_proc = startPing(shost)
# whack a mole
if args.hw:
startWhackAMole(shost, None)
else:
clients = [net.getNodeByName('c1host'), net.getNodeByName('c2host')]
startWhackAMole(shost, clients)
# standby
CLI(net)
# cleanup
plotter_proc.kill()
net.stop()
