def UC2_IITS_Network():
logger.info('=================== Mininet Topology SetUp ===================')
# Create UC Topology instance
IITSTopo = IITSTopology()
# Start mininet and load the topology
net = Mininet( topo=IITSTopo, controller=RemoteController, autoSetMacs = True )
net.start()
setLogLevel( 'info' ) #setLogLevel( 'info' | 'debug' | 'output' )
# Get the devices
Devices = dict()
Devices = net.get('h1', 'h2', 'h3', 'h4', 'h5', 's1', 's2', 's3', 's4', 's5', 's6', 's7', 's8')
IITSTopo.SetDevices(Devices)
logger.info('==============================================================\n')
# Enforce IP configuration
logger.info('====================== IP Configuration ======================')
IITSTopo.SetIPConfiguration(Devices, net)
logger.info('==============================================================\n')
# Start mininet CLI
CLI( net )
# Destroy network after exiting the CLI
net.stop()
def run(self):
print self.receivelinkevent
setLogLevel("info")
OVSKernelSwitch.setup()#"Make sure Open vSwitch is installed and working"
info("****creating network****\n")
self.net = Mininet(listenPort = self.listenPort)
controller = RemoteController("mirrorController", ip = "127.0.0.1")
self.net.addController(controller)
#self.gettoptly()
timesnum=0;
while core.running:
try:
while True:
rlist, wlist, elist = yield Select([self.receivelinkevent], [], [], 5)
if len(rlist) == 0 and len(wlist) == 0 and len(elist) == 0:
#self.gettoptly()
if not core.running: break
#if len(rlist)!=0:
#print self.receivelinkevent
if self.receivelinkevent==1:
self.gettoptly()
timesnum+=1
if timesnum==5:
self.net.pingAll()
except exceptions.KeyboardInterrupt:
break
self.net.stop()
def main():
import argparse
import threading
from threading import Thread
parser = argparse.ArgumentParser(description="less script")
parser.add_argument("-u", "--urls", dest="urls", default="10.128.10.1", type=str, help="a string to show urls to post intents to separated by space, ex. '10.128.10.1:6633 10.128.10.2:6633' ")
parser.add_argument("-s", "--switches", dest="numsw", default=100, type=int, help="number of switches use in the load generator; together with the ports per switch config, each switch generates (numport + 2) events")
parser.add_argument("-p", "--ports", dest="numport", default=1, type=int, help="number of ports per switches")
parser.add_argument("-a", "--addrate", dest="addrate", default=10, type=float, help="rate to add intents groups, groups per second")
parser.add_argument("-d", "--delrate", dest="delrate", default=100, type=float, help= "rate to delete intents, intents/second")
parser.add_argument("-l", "--testlength", dest="duration", default=0, type=int, help= "pausing time between add and delete of intents")
args = parser.parse_args()
urllist = args.urls.split()
numsw = args.numsw
numport = args.numport
addrate = args.addrate
delrate = args.delrate
duration = args.duration
setLogLevel( 'info' )
swlist = createSwPorts(numsw,numport)
telapse,count = loadsw(urllist, swlist, addrate, delrate, duration)
print ("Total number of switches connected/disconnected: " + str(count) + "; Total events generated: " + str(count * (2 + numport)) + "; Elalpse time: " + str('%.1f' %telapse))
print ("Effective aggregated loading is: " + str('%.1f' %((( count * (2+ numport))) / telapse ) ) + "Events/s.")
cleanMN()
def run():
"Test a multiple ONOS cluster network"
setLogLevel( 'info' )
# East and west control network topologies (using RenamedTopo)
# We specify switch and host prefixes to avoid name collisions
# East control switch prefix: 'east_cs', ONOS node prefix: 'east_onos'
# Each network is a renamed SingleSwitchTopo of size clusterSize
# It's also possible to specify your own control network topology
clusterSize = 1
etopo = RenamedTopo( SingleSwitchTopo, clusterSize,
snew='east_cs', hnew='east_onos' )
wtopo = RenamedTopo( SingleSwitchTopo, clusterSize,
snew='west_cs', hnew='west_onos' )
# east and west ONOS clusters
# Note that we specify the NAT node names to avoid name collisions
east = ONOSCluster( 'east', topo=etopo, ipBase='192.168.123.0/24',
nat='enat0' )
west = ONOSCluster( 'west', topo=wtopo, ipBase='192.168.124.0/24',
nat='wnat0' )
# Data network topology
topo = LinearTopo( 10 )
# Create network
net = Mininet( topo=topo, switch=MultiSwitch, controller=[ east, west ] )
# Assign switches to controllers
count = len( net.switches )
for i, switch in enumerate( net.switches ):
switch.controller = east if i < count/2 else west
# Start up network
net.start()
ONOSCLI( net ) # run our special unified Mininet/ONOS CLI
net.stop()
def start_networking(self):
setLogLevel("info")
net = Mininet(topo=self, \
controller=lambda name: RemoteController(name))
net.start()
# setup each switch
for sw in net.switches:
# set ofp version
self.set_ofp_version(sw, ['OpenFlow10', 'OpenFlow13'])
# if sw is bridge, set it up for normal SW
swEntry = self.switchList[sw.name][1]
isBridge = swEntry["bridge"]
if isBridge:
self.set_normalsw(sw)
self.switchList[sw.name].append(sw)
# setup each host
for host in net.hosts:
self.add_ipv6address(host)
self.hostList[host.name].append(host)
# execute pre_command
if "pre_cmd_file" in self.jsonData:
cmd_file = self.jsonData["pre_cmd_file"]
self.exec_usercmd(cmd_file)
CLI(net)
# execute post_command
if "post_cmd_file" in self.jsonData:
cmd_file = self.jsonData["post_cmd_file"]
self.exec_usercmd(cmd_file)
net.stop()
def main():
# Defines the log level
setLogLevel('info')
# parses command line arguments
parser = OptionParser()
parser.add_option('-H', dest='hosts', default=5,
help='Number of hosts per switch')
parser.add_option('-S', dest='switches', default=2,
help='Number of switches')
(options, args) = parser.parse_args()
# Build network topology (see mininet/topo.py)
#topo = LinearTopo(int(options.switches), int(options.hosts))
topo = LinearTopo()
# Creates the Network using a remote controller
#net = Mininet(topo)
net = Mininet(topo,
controller=lambda a: RemoteController(a, ip='127.0.0.1'))
# Starts the network
net.start()
# Run the mininet client
while True:
try:
DynCLI(net)
break
except Exception as e:
error('Fail: %s\n Args: %s \n %s \n' % (type(e), e.args, e))
traceback.print_exc()
continue
# Stop the network
net.stop()
def main():
# Defines the log level
setLogLevel('info')
# parses command line arguments
parser = OptionParser()
parser.add_option('-H', dest='hosts', default=5,
help='Number of hosts per switch')
parser.add_option('-S', dest='switches', default=2,
help='Number of switches')
(options, args) = parser.parse_args()
# Build network topology (see mininet/topo.py)
topo = LinearTopo(int(options.switches), int(options.hosts))
# Creates the Network using a remote controller
net = Mininet(topo,
controller=lambda a: RemoteController(a, ip='127.0.0.1'))
# Starts the network
net.start()
# Run the mininet client
CLI(net)
# Stop the network
net.stop()
def standalone():
if "info" in argv:
setLogLevel( 'info' )
scls=None
if "of" in argv:
scls = StaticSwitch
elif "lr" in argv:
scls = DRtr
else:
print("Supply either of (for OpenFlow) or lr (for a Linux Router)")
exit(-1)
topo = DTopo(scls=scls)
net = Mininet(topo=topo,autoSetMacs=True)
net.start()
sw, h1, h2 = net.get('s1', 'h1', 'n1')
if "noarp" not in argv:
makearpentries(sw, [h1, h2])
#print(sw.cmd("netstat -tulpen"))
if "dump" in argv:
if "lr" in argv:
dump('iptables-save', sw.cmd('iptables-save'))
dump('ip-route', sw.cmd('ip route'))
dump('collectedmacs', sw.cmd('collectmacs.sh'))
elif "of" in argv:
print("of/dump TODO")
if "test" in argv:
sese = [h1,h2]
net.ping(sese)
tcpreachtests(net,sese,ports=[80,22])
if "cli" in argv:
CLI(net)
net.stop()
def pingloop( net ):
setLogLevel( 'error' )
try:
while True:
net.ping()
finally:
setLogLevel( 'info' )
def run (self):
setLogLevel("info")
OVSKernelSwitch.setup()#"Make sure Open vSwitch is installed and working"
info("****creating network****\n")
self.net = Mininet(listenPort = 6666)
controller = RemoteController("mirrorController", ip = "127.0.0.1")
self.net.addController(controller)
while core.running:
try:
time.sleep(3)
if not core.running: break
'''
self.net.pingAll()
if len(self.addswitches)!=0:
for i in self.addswitches:
print self.addswitches[i].dpctl('show')
'''
if self.rectopolyreply==1:
mutex.acquire()
self.createtoptly()
self.rectopolyreply=0
mutex.release()
except exceptions.KeyboardInterrupt:
break
except:
log.exception("Exception SendMes running ")
break
self.net.stop()
def main():
_LOGGER.info("Executing the integration topology with pid {0!s} and parent pid {1!s}".format(os.getpid(), os.getppid()))
setLogLevel('debug') # set Mininet loglevel
# create_and_start_topology(DCNetwork(controller=RemoteController,
# monitor=True,
# enable_learning=True))
sc = SigTermCatcher()
(server_thread, server) = spawn_socket_thread(sc)
server_thread.start()
while True:
if sc.is_alive():
forked_process = spawn_process(sc)
sc.ignore_signal()
forked_process.start()
sc.setup_signal()
forked_process.join()
else:
break
time.sleep(1)
_LOGGER.info("Stopping the server")
server.shutdown(socket.SHUT_RDWR)
server_thread.join()
exit(2)
def main():
setLogLevel("info") # set Mininet loglevel
# add the SIGTERM handler (eg. received when son-emu docker container stops)
signal.signal(signal.SIGTERM, exit_gracefully)
# also handle Ctrl-C
signal.signal(signal.SIGINT, exit_gracefully)
# start the topology
create_topology1()
def pingloop( self ):
"Loop forever pinging the full mesh of hosts"
setLogLevel( 'error' )
try:
while True:
self.ping()
finally:
setLogLevel( 'info' )
def run(self):
setLogLevel('info')
myNetworkStop()
myNetwork()
while True:
print('Still running...')
time.sleep(10)
myNetworkStop()
def start():
global net, attacker, running
if running:
return '\nServer already running.\n'
setLogLevel('info')
topo = MixTopo()
net = Mininet(topo=topo)
s1 = net['s1']
plc2 = net['plc2']
plc3 = net['plc3']
s2, rtu2a, scada = net.get('s2', 'rtu2a', 'scada')
rtu2b, attacker2 = net.get('rtu2b', 'attacker2')
s3 = net.get('s3')
# NOTE: root-eth0 interface on the host
root = Node('root', inNamespace=False)
intf = net.addLink(root, s3).intf1
print('DEBUG root intf: {}'.format(intf))
root.setIP('10.0.0.30', intf=intf)
# NOTE: all packet from root to the 10.0.0.0 network
root.cmd('route add -net ' + '10.0.0.0' + ' dev ' + str(intf))
net.start()
info('Welcome')
# NOTE: use for debugging
#s1.cmd('tcpdump -i s1-eth1 -w /tmp/s1-eth1.pcap &')
#s1.cmd('tcpdump -i s1-eth2 -w /tmp/s1-eth2.pcap &')
SLEEP = 0.5
# NOTE: swat challenge 1 and 2
plc3.cmd(sys.executable + ' plc3.py &')
sleep(SLEEP)
plc2.cmd(sys.executable + ' plc2.py &')
sleep(SLEEP)
# NOTE: wadi challenge 1
scada.cmd(sys.executable + ' scada.py &')
sleep(SLEEP)
rtu2a.cmd(sys.executable + ' rtu2a.py &')
sleep(SLEEP)
# NOTE: wadi challenge 2
rtu2b.cmd(sys.executable + ' rtu2b.py &')
sleep(SLEEP)
running = True
return '\nServer started.\n'
def main():
desc = ( 'Generate Mininet Testbed' )
usage = ( '%prog [options]\n'
'(type %prog -h for details)' )
op = OptionParser( description=desc, usage=usage )
### Options
op.add_option( '--rate', '-r', action="store", \
dest="rate", help = "Set rate. <n>S for (n/second), <n>M for (n/minute). Don't include the brackets when specifying n" )
op.add_option( '--switchNum', '-s', action="store", \
dest="switchnum", help = "Specify the number of switches for this linear topology." )
op.add_option( '--time', '-t', action="store", \
dest="timeout", help = "Specify the timeout in seconds." )
op.add_option( '--type', '-y', action="store", \
dest="topo_type", help = "Specify type of the topology (linear, fattree)" )
wait_time = 0.0
options, args = op.parse_args()
if options.rate is not None:
if options.rate.endswith('S'):
num_str = options.rate.rstrip('S')
wait_time = 1.0/float(num_str)
elif options.rate.endswith('M'):
num_str = options.rate.rstrip('M')
wait_time = 60.0/float(num_str)
else:
print 'Wrong rate format. Abort.'
return
else:
print '\nNo rate given. Abort.\n'
return
# Set parameters
timeout_int = math.ceil(float(options.timeout))
top = 1
middle = 2
bottom = int(options.switchnum)
host_fanout = 5
# Start
if options.switchnum is not None and options.timeout is not None and options.rate is not None:
setLogLevel('info')
MakeTestBed_and_Test(options.topo_type,
top,
middle,
bottom,
host_fanout,
timeout_int, wait_time)
else:
print '\nNo switch number given. Abort.\n'
def test( serverCount ):
"Test this setup"
setLogLevel( 'info' )
net = Mininet( topo=SingleSwitchTopo( 3 ),
controller=[ ONOSCluster( 'c0', serverCount ) ],
switch=ONOSOVSSwitch )
net.start()
net.waitConnected()
CLI( net )
net.stop()
def run():
OVSSwitch.setup()
setLogLevel('debug')
net = Mininet(topo=KeepForwardingSmartDownlinkTestTopo(),
switch=OVSSwitch,
controller=RemoteController)
net.start()
CLI(net)
net.stop()
def test():
"Test OVSNS switch"
setLogLevel( 'info' )
topo = TreeTopo( depth=4, fanout=2 )
net = Mininet( topo=topo, switch=OVSSwitchNS )
# Add connectivity to controller which is on LAN or in root NS
# net.addNAT().configDefault()
net.start()
CLI( net )
net.stop()
def run():
setLogLevel('info')
#topo = S1HNLinearTopo(n=4)
topo = S2HNTreeTopo(n = 4)
net = Mininet(topo=topo,
autoSetMacs=True,
controller = lambda name: RemoteController(name, ip='127.0.0.1'))
dumpNodeConnections(net.hosts)
net.start()
CLI(net)
net.stop()
def main():
setLogLevel('info')
network = Mininet(topo=MyTopo(), controller=partial(RemoteController, ip='127.0.0.1', port=6633), link=TCLink)
network.start()
network.pingAll()
while True:
network.pingAll()
time.sleep(60)
CLI(network)
def run():
OVSSwitch.setup()
setLogLevel('debug')
net = Mininet(
topo=FailoverTestTopo(),
switch=OVSSwitch,
controller=RemoteController)
net.start()
CLI(net)
net.stop()
def main():
desc = ( 'Generate Mininet Testbed' )
usage = ( '%prog [options]\n'
'(type %prog -h for details)' )
op = OptionParser( description=desc, usage=usage )
### Options
op.add_option( '--rate', '-r', action="store", \
dest="rate", help = "Set rate. <n>S for (n/second), <n>M for (n/minute). Don't include the brackets when specifying n" )
op.add_option( '--time', '-t', action="store", \
dest="timeout", help = "Specify the timeout in seconds." )
op.add_option( '--kvalue', '-k', action="store", \
dest="kvalue", help = "K value for the folded clos topology." )
op.add_option( '--controller', '-c', action="store", \
dest="controller", help = "Controller IP address (with numbers!)" )
ping_interval = 0.0
options, args = op.parse_args()
args = sys.argv[1:]
if len(args) != 8:
print '\nWrong number of arguments given: %s. Abort\n' %(str(len(args)))
op.print_help()
sys.exit(1)
if options.rate is not None:
if options.rate.endswith('S'):
num_str = options.rate.rstrip('S')
ping_interval = 1.0/float(num_str)
elif options.rate.endswith('M'):
num_str = options.rate.rstrip('M')
ping_interval = 60.0/float(num_str)
else:
print 'Wrong rate format. Abort.'
return
else:
print '\nNo rate given. Abort.\n'
return
# Set parameters
timeout_int = math.ceil(float(options.timeout))
controller_ip = options.controller
# Start
if options.timeout is not None and options.rate is not None:
setLogLevel('info')
MakeTestBed_and_Test(int(options.kvalue), timeout_int, ping_interval, controller_ip)
else:
print '\nNo switch number given. Abort.\n'
def experiment():
# Start POX with the dedicated topology test module
controller = start_pox(module='mcfpox.test.controller.pox_test_topology')
# Start mininet with given topology
setLogLevel('output')
net = pentagon.create_net(controller=RemoteController)
net.start()
# Wait for long enough to discover the network, then die
sleep(20)
controller.kill()
def run( topo, controllers=None, link=TCLink, autoSetMacs=True ):
if not controllers and len( sys.argv ) > 1:
controllers = sys.argv[ 1: ]
else:
print 'Need to provide a topology and list of controllers'
exit( 1 )
setLogLevel( 'info' )
net = ONOSMininet( topo=topo, controllers=controllers, link=link, autoSetMacs=autoSetMacs )
net.start()
CLI( net )
net.stop()
def startMininet(switches, hosts, contIP='127.0.0.1'):
setLogLevel('info')
net = Mininet(controller=None,
autoSetMacs=True,
listenPort=6634)
swobjs = {}
swports = {}
for sw in switches:
swobj = addSwitch(net, sw['name'])
swobjs[sw['name']] = swobj
swports[sw['name']] = 0;
for host in hosts:
if host['switch'] not in swobjs:
continue
sw = swobjs[host['switch']]
swports[host['switch']] += 1;
port = swports[host['switch']]
addHost(net, sw, host['name'], host['ip'], host['mac'])
host['port'] = port
try:
net.start()
for sw in switches:
addTunnel(sw['name'], sw['tunnelIp'])
for host in net.hosts:
gw = re.sub(r'.\d+$', ".1", host.IP())
host.cmd('route add default gw {}'.format(gw))
# ODL is very fragile so let's give it some time
time.sleep(1)
# This is a workaround for a bug encountered during
# the Helium release. Setting the vSwitch from 1.0
# to 1.3 while it was connected to the controller
# exposed a bug in the openflowplugin, which resulted
# in the controller missing some of the ports on the
# vswitch. This change avoids the bug by switching
# the version before connecting the switch to the
# controller.
for sw in switches:
setOFVersion(sw['name'])
addController(sw['name'], contIP)
return net
except Exception, e:
net.stop()
raise e
def main():
desc = ( 'Generate Mininet Testbed' )
usage = ( '%prog [options]\n'
'(type %prog -h for details)' )
op = OptionParser( description=desc, usage=usage )
### Options
op.add_option( '--rate', '-r', action="store", \
dest="rate", help = "Set rate. <n>S for (n/second), <n>M for (n/minute). Don't include the brackets when specifying n" )
op.add_option( '--switchNum', '-s', action="store", \
dest="switchnum", help = "Specify the number of switches for this linear topology." )
op.add_option( '--mode', '-m', action="store", \
dest="mode", help = "rtt or bw" )
wait_time = 0.0
options, args = op.parse_args()
if options.rate is not None:
if options.rate.endswith('S'):
num_str = options.rate.rstrip('S')
wait_time = 1.0/float(num_str)
elif options.rate.endswith('M'):
num_str = options.rate.rstrip('M')
wait_time = 60.0/float(num_str)
else:
print 'Wrong rate format. Abort.'
op.print_usage()
return
else:
print '\nNo rate given. Abort.\n'
op.print_usage()
return
if options.switchnum is not None and options.mode is not None and options.rate is not None:
setLogLevel('info')
if options.mode == 'rtt':
RTTTest(int(options.switchnum), wait_time)
elif options.mode == 'bw':
BWTest(int(options.switchnum), wait_time)
else:
print "wrong mode. exit"
op.print_usage()
return
else:
print '\nNo switch number given. Abort.\n'
op.print_usage()
def start_mininet():
print "[*] Starting Mininet:"
global exit_mininet
global net
setLogLevel('info') # enable Mininet logging
topo = SingleSwitchTopo()
net = Mininet(topo = topo,
host = P4Host,
switch = P4Switch,
controller = None)
net.start()
host = net.get('h1')
host.config() # disable IPv6
exit_mininet = True
sleep(2)
def createTopology(switch, hosts):
setLogLevel('info')
topo = Topo()
switch = topo.addSwitch(switch)
for (hostname, opts) in hosts:
host = topo.addHost(hostname, **opts)
topo.addLink(host, switch, None)
network = Mininet(topo, controller=None)
network.start()
print "*** Dumping host connections"
dumpNodeConnections(network.hosts)
CLI(network)
network.stop()
def run(topo_file, chirouter, pox, pox_location):
setLogLevel('info')
with open(topo_file, "r") as f:
topo = Topology.from_json(f)
mn_topo = topo.to_mininet_topology()
if pox is not None:
# POX is running somewhere else. We connect to it.
controller = RemoteController("c0", ip=pox[0], port=pox[1])
else:
# We launch POX ourselves
controller = POXController("c0", pox_location, topo_file, chirouter)
net = Mininet(topo=mn_topo, controller = controller)
for h in topo.hosts:
mn_host = net.get(h.name)
for iface in h.interfaces.values():
iface_name = h.name + "-" + iface.name
try:
mn_iface = mn_host.intf(iface_name)
except:
raise Exception("Error fetching interface {} from {}".format(iface_name, h.name))
mn_iface.setIP(iface.ip_with_prefixlen)
if iface.gateway is not None:
mn_host.cmd("route add default gw {} dev {}".format(str(iface.gateway), iface_name))
if "httpd" in h.attrs:
print "*** Starting SimpleHTTPServer on host %s" % mn_host.name
mn_host.cmd('nohup python2.7 ./scripts/webserver.py %s &' % (mn_host.name))
for r in topo.routers:
mn_router = net.get(r.name)
for intf_name, intf in r.interfaces.items():
intf.hwaddr = mn_router.intf(r.name + "-" + intf_name).mac
net.start()
CLI( net )
net.stop()
info("*** Shutting down stale SimpleHTTPServers",
quietRun( "pkill -9 -f SimpleHTTPServer" ), "\n" )
info('*** Shutting down stale webservers',
quietRun( "pkill -9 -f webserver.py" ), "\n" )
def run(self, sim_args, curtime, entrypoint):
if any(v not in environ for v in ['CLIENT', 'CLIENT_PARAMS', 'SERVER', 'SERVER', 'CLIENT_LOGS', 'SERVER_LOGS', 'CL_COMMIT', 'SV_COMMIT']):
# TODO show help
exit(1)
client_image = environ['CLIENT']
client_params = environ['CLIENT_PARAMS']
server_image = environ['SERVER']
server_params = environ['SERVER_PARAMS']
cl_logdir = environ['CLIENT_LOGS']
sv_logdir = environ['SERVER_LOGS']
clcommit = environ['CL_COMMIT']
svcommit = environ['SV_COMMIT']
setLogLevel('info')
net = Containernet(controller=Controller)
info('*** Adding controller\n')
net.addController('c0')
info('*** Adding docker containers\n')
server_vs = [sv_logdir + ':/logs']
# add kernel debug volume to allow eBPF code to run
if sim_args.k:
server_vs.append( '/sys/kernel/debug:/sys/kernel/debug:ro')
server = net.addDocker('server', ip='10.0.0.251',
environment={"ROLE": "server", "SERVER_PARAMS": server_params, "COMMIT": svcommit},
dimage=server_image + ":latest",
volumes=server_vs)
client = net.addDocker('client', ip='10.0.0.252',
environment={"ROLE": "client", "CLIENT_PARAMS": client_params, "COMMIT": clcommit},
dimage=client_image + ":latest",
volumes=[cl_logdir + ':/logs'])
info('*** Adding switches\n')
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2')
info('*** Creating links\n')
net.addLink(s1, s2, cls=TCLink, delay=sim_args.delay, bw=sim_args.bandwidth, max_queue_size=sim_args.queue)
net.addLink(s1, client)
net.addLink(s2, server)
info('\n*** Updating and building client/server\n')
server.cmd('./updateAndBuild.sh')
client.cmd('./updateAndBuild.sh')
info('*** Starting network\n')
net.start()
info('***Config loss on switch links\n')
net.get('s1').cmd('tc qdisc change dev s1-eth1 parent 5:1 netem delay ' + sim_args.delay + ' loss ' + str(sim_args.rate_to_server) + '% limit ' + str(sim_args.queue))
net.get('s2').cmd('tc qdisc change dev s2-eth1 parent 5:1 netem delay ' + sim_args.delay + ' loss ' + str(sim_args.rate_to_client) + '% limit ' + str(sim_args.queue))
capture = PacketCapture()
if sim_args.k:
client.cmd(entrypoint + " &")
else:
server.cmd(entrypoint + " &" )
capture.startCapture()
info('\n' + entrypoint + '\n')
if sim_args.k:
info(server.cmd(entrypoint) + "\n")
else:
info(client.cmd(entrypoint) + "\n")
# Wait some time to allow server finish writing to log file
sleep(3)
capture.stopCapture()
info('*** Stopping network')
net.stop()
def run(self, predefined_error=0):
net = self.net
setLogLevel("debug")
net.start()
net.pingAll()
error_interval = int(self.config.get('main', 'ErrorInterval'))
datac = int(self.config.get('main', 'Datacenters'))
# DEBUGGING: MainHosts is zero
nm_ho_sf = 0
#All datacenters will activate their servers
scenario = self.config.get('main', 'StreamingScenario')
for n in range(nm_ho_sf + 1, nm_ho_sf + datac * 3 + 1):
h = net.get('h{}'.format(n))
h.cmd('./net/server.sh &')
h.cmd('./net/streaming_server.sh &')
h.cmd('./net/mail_listen_receive.sh &')
h.cmd('./net/mail_listen_send.sh &')
h.cmd('iperf -s &')
if 'Yes' in scenario:
for n in range(nm_ho_sf, nm_ho_sf + datac):
h = net.get('h{}'.format(n * 3 + 1))
h.cmd('./net/vlc_send.sh &')
# XTERM any host to connect vlc to the datacenter
CLI(net)
elif 'No' not in scenario:
print ' I could not understand the "StreamingScenario" field '
#nm_ho is the number of hosts (incuding datacenters) in the network
nm_ho = nm_ho_sf + datac * 3
extra_networks = self.config.sections()
if (len(extra_networks) > 1):
n_networks = len(extra_networks) - 1
for i in range(n_networks):
nm_ho += int(self.config2.get(extra_networks[i + 1], 'Hosts'))
#All hosts will be listening for normal and small traffic
for n in range(nm_ho):
h = net.get('h{}'.format(n + 1))
h.cmd('./net/listen.sh &')
h.cmd('./net/small_listen.sh &')
print "Generating traffic..."
#DEBUGGING: not smart enough
self.create_traffic(datac, nm_ho)
#Simulation ID
orig_timestamp = datetime.now()
sim_id = str(orig_timestamp.year) + str(orig_timestamp.month) + str(
orig_timestamp.day) + str(orig_timestamp.hour) + str(
orig_timestamp.minute) + '_' + str(predefined_error)
print "Simulation ID = %s" % sim_id
#Setting up log
print "Setting up log..."
logger = logging.getLogger()
hdlr = logging.FileHandler('/root/log/' + sim_id + '.log')
formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
hdlr.setFormatter(formatter)
logger.addHandler(hdlr)
logger.setLevel(logging.INFO)
logger.info(sim_id + " start " +
str(json.dumps(errors.encode_errors())))
switches_list = net.switches
for switch in switches_list:
errors.config_push(switch.dpid)
print "Giving time for the collector to catch up..."
time.sleep(25)
print "Beginning test..."
minutes = int(self.config.get('main', 'MinutesRunning'))
now_timestamp = datetime.now()
while (now_timestamp - orig_timestamp).total_seconds() < minutes * 60:
time.sleep(error_interval * 2)
if predefined_error != 0:
if (predefined_error == 2 or predefined_error == 1):
print '1 and 2 errors not supported for the time being'
break
self.create_error(predefined_error, nm_ho, datac, sim_id,
logger, error_interval)
else:
# Excluding traffic errors (1 and 2) for the time being
# Checking error 3 ...
self.create_error(random.randint(4, 12), nm_ho, datac, sim_id,
logger, error_interval)
now_timestamp = datetime.now()
logger.info(sim_id + " stop")
print "Test ended. Shutting down network..."
net.stop()
return
def myTopology():
net = Containernet(
switch=OVSKernelSwitch,
build=False,
autoSetMacs=True,
autoStaticArp=True,
link=TCLink,
)
mgr = VNFManager(net)
setLogLevel("info")
info("*** Add Switches\n")
sconfig1 = {"dpid": "%016x" % 1}
sconfig2 = {"dpid": "%016x" % 2}
sconfig3 = {"dpid": "%016x" % 3}
sconfig4 = {"dpid": "%016x" % 4}
sconfig5 = {"dpid": "%016x" % 5}
net.addSwitch("s1", **sconfig1)
net.addSwitch("s2", **sconfig2)
net.addSwitch("s3", **sconfig3)
net.addSwitch("s4", **sconfig4)
net.addSwitch("s5", **sconfig5)
info("*** Add Hosts\n")
host_config = dict(inNamespace=True)
#net.addHost("h1", **host_config, ip="192.0.0.1")
h1 = net.addDockerHost(
"h1",
dimage="dev_test",
ip="192.0.0.1",
docker_args={"hostname": "h1"},
)
h2 = net.addDockerHost(
"h2",
dimage="dev_test",
ip="192.0.0.2",
docker_args={"hostname": "h2"},
)
h3 = net.addDockerHost(
"h3",
dimage="dev_test",
ip="192.0.0.3",
docker_args={"hostname": "h3"},
)
h4 = net.addDockerHost(
"h4",
dimage="dev_test",
ip="192.0.0.4",
docker_args={"hostname": "h4"},
)
h5 = net.addDockerHost(
"h5",
dimage="dev_test",
ip="192.0.0.5",
docker_args={"hostname": "h5"},
)
h6 = net.addDockerHost(
"h6",
dimage="dev_test",
ip="192.0.0.6",
docker_args={"hostname": "h6"},
)
h7 = net.addDockerHost(
"h7",
dimage="dev_test",
ip="192.0.0.7",
docker_args={"hostname": "h7"},
)
h8 = net.addDockerHost(
"h8",
dimage="dev_test",
ip="192.0.0.8",
docker_args={"hostname": "h8"},
)
h9 = net.addDockerHost(
"h9",
dimage="dev_test",
ip="192.0.0.9",
docker_args={"hostname": "h9"},
)
info("*** Add Links\n")
net.addLink("h1", "s1", bw=B1)
net.addLink("h2", "s1", bw=B1)
net.addLink("h3", "s1", bw=B1)
net.addLink("s5", "h4", bw=B2)
net.addLink("s5", "h5", bw=B2)
net.addLink("s5", "h6", bw=B2)
net.addLink("s1", "s2", bw=B1)
net.addLink("s2", "s3", bw=B1, delay=DELAY)
net.addLink("s3", "s4", bw=B1, delay=DELAY)
net.addLink("s2", "s4", bw=B2)
net.addLink("s1", "s4", bw=B1)
net.addLink("s1", "s5", bw=B2)
net.addLink("s4", "h7", bw=B1)
net.addLink("s4", "h8", bw=B1)
net.addLink("s4", "h9", bw=B1)
info("*** Add controller\n")
controller = RemoteController("c1", ip="127.0.0.1", port=6633)
net.addController(controller)
net.build()
net.start()
srv1 = mgr.addContainer(
"srv1",
"h1",
"dev_test",
"bash",
docker_args={},
)
srv2 = mgr.addContainer(
"srv2",
"h2",
"dev_test",
"bash",
docker_args={},
)
srv3 = mgr.addContainer(
"srv3",
"h3",
"dev_test",
"bash",
docker_args={},
)
srv4 = mgr.addContainer(
"srv4",
"h4",
"dev_test",
"bash",
docker_args={},
)
srv5 = mgr.addContainer(
"srv5",
"h5",
"dev_test",
"bash",
docker_args={},
)
srv6 = mgr.addContainer(
"srv6",
"h6",
"dev_test",
"bash",
docker_args={},
)
srv7 = mgr.addContainer(
"srv7",
"h7",
"dev_test",
"bash",
docker_args={},
)
srv8 = mgr.addContainer(
"srv8",
"h8",
"dev_test",
"bash",
docker_args={},
)
srv9 = mgr.addContainer(
"srv9",
"h9",
"dev_test",
"bash",
docker_args={},
)
spawnXtermDocker("srv4")
spawnXtermDocker("srv7")
CLI(net)
mgr.removeContainer("srv1")
mgr.removeContainer("srv2")
mgr.removeContainer("srv3")
mgr.removeContainer("srv4")
mgr.removeContainer("srv5")
mgr.removeContainer("srv6")
mgr.removeContainer("srv7")
mgr.removeContainer("srv8")
mgr.removeContainer("srv9")
net.stop()
mgr.stop()
def Start(GI=False, MCS=3, Bandwidth=40, UDP=True, TP=54, PCAP=False):
setLogLevel('info')
#info( '*** ns-3 network demo\n' )
net = Mininet()
#info( '*** Creating Network\n' )
h0 = net.addHost('h0')
#h1 = net.addHost( 'h1' )
h2 = net.addHost('h2')
h3 = net.addHost('h3')
h4 = net.addHost('h4')
#h5 = net.addHost( 'h5' )
#h6 = net.addHost( 'h6' )
h7 = net.addHost('h7')
h8 = net.addHost('h8')
wifi = WIFISegment()
#CONFIGURATION
udp = UDP
gi = GI #0,1
bandwidth = Bandwidth #20,40,80
mcs = MCS #2,4,7
# if udp == False:
# #TCP
# payloadSize = 1448 #bytes
# ns.core.Config.SetDefault ("ns3::TcpSocket::SegmentSize", ns.core.UintegerValue (payloadSize))
# else:
# payloadSize = 1472
wifi.wifihelper.SetStandard(ns.wifi.WIFI_PHY_STANDARD_80211ac)
# Enabling Shor guard intervals:
wifi.phyhelper.Set("ShortGuardEnabled", ns.core.BooleanValue(gi))
DataRate = "VhtMcs" + str(mcs)
# set datarate for node h0
wifi.wifihelper.SetRemoteStationManager("ns3::ConstantRateWifiManager",
"DataMode",
ns.core.StringValue(DataRate),
"ControlMode",
ns.core.StringValue("VhtMcs0"))
wifi.machelper = ns.wifi.WifiMacHelper()
#wifi.wifihelper.SetRemoteStationManager( "ns3::ConstantRateWifiManager",
# "DataMode", ns.core.StringValue ("VhtMcs8"), "ControlMode", ns.core.StringValue ("VhtMcs8") )
Sssid = "wifi-80211acCA"
wifi.addSta(h0, ext="ac", ssid=Sssid, port=9977, qosSupported=True)
wifi.addSta(h3, ext="ac", ssid=Sssid, port=9998, qosSupported=True)
wifi.addSta(h4, ext="ac", ssid=Sssid, port=9994, qosSupported=True)
#wifi.addSta( h5,ext="ac", ssid=Sssid, port=9993, qosSupported=True)
#wifi.addSta( h6,ext="ac", ssid=Sssid, port=9992, qosSupported=True)
wifi.addSta(h7, ext="ac", ssid=Sssid, port=9977, qosSupported=True)
wifi.addSta(h8, ext="ac", ssid=Sssid, port=9966, qosSupported=True)
wifi.addAp(h2, ext="ac", ssid=Sssid, port=9999, qosSupported=True)
# set channel bandwidth
ns.core.Config.Set(
"/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/Phy/ChannelWidth",
ns.core.UintegerValue(bandwidth))
if PCAP == True:
wifi.phyhelper.SetPcapDataLinkType(
ns.wifi.WifiPhyHelper.DLT_IEEE802_11_RADIO)
wifi.phyhelper.EnablePcap("80211ac_Sta1.pcap", h0.nsNode.GetDevice(0),
True, True)
#wifi.phyhelper.EnablePcap( "Ap-h1.pcap", h1.nsNode.GetDevice( 1 ), True, True );
wifi.phyhelper.EnablePcap("80211ac_Ap.pcap", h2.nsNode.GetDevice(0),
True, True)
#info( '*** Configuring hosts\n' )
h0.setIP('192.168.123.1/24')
h2.setIP('192.168.123.3/24')
h3.setIP('192.168.123.4/24')
h4.setIP('192.168.123.5/24')
#h5.setIP('192.168.123.6/24')
#h6.setIP('192.168.123.7/24')
h7.setIP('192.168.123.8/24')
h8.setIP('192.168.123.9/24')
mininet.ns3.start()
time.sleep(2)
info('\n *** Testing network connectivity\n')
#net.pingFull()
info('*** Start capturing pcaps\n')
#h0.cmd("tcpdump -i h0-eth9998 -w h0_test.pcap & ")
h2.cmd("tcpdump -i h2-eth9999 -w h2_test_multiSTA.pcap & ")
time.sleep(2)
# info( '*** Video measurement\n' )
h0.cmd("iperf3 -s -i 1 -p 9999 --cport 9999 | tee sta_VI_CBR_h0.txt &")
time.sleep(2)
val = "iperf3 -c 192.168.123.1 -b 20m -M 1024 -Z -p 9999 -t 30 -i 1 --cport 9999 -S 0x4 &"
h2.cmd(val)
time.sleep(3)
info('*** Voice measurement\n')
h3.cmd("iperf3 -s -i 1 -p 9998 | tee sta_VO_CBR_h3.txt &")
h2.cmd("iperf3 -s -i 1 -p 9989 | tee ap_VO_CBR_h4.txt &")
h4.cmd("iperf3 -s -i 1 -p 9994 | tee sta_VO_CBR_h4.txt &")
#h2.cmd( "iperf3 -s -i 1 -p 9949 | tee ap_VO_CBR_h5.txt &" )
# h5.cmd( "iperf3 -s -i 1 -p 9993 | tee sta_VO_CBR_h5.txt &" )
#h2.cmd( "iperf3 -s -i 1 -p 9939 | tee ap_VO_CBR_h6.txt &" )
# h6.cmd( "iperf3 -s -i 1 -p 9992 | tee sta_VO_CBR_h6.txt &" )
h2.cmd("iperf3 -s -i 1 -p 9929 | tee ap_VO_CBR_h3.txt &")
time.sleep(2)
val = "iperf3 -c 192.168.123.4 -u -b 64k -Z --length 160 -p 9998 -t 25 -i 1 --cport 9998 -S 0x6 &"
h2.cmd(val)
val = "iperf3 -c 192.168.123.3 -u -b 64k -Z --length 160 -p 9929 -t 25 -i 1 --cport 9929 -S 0x6 &"
h3.cmd(val)
# val = "iperf3 -c 192.168.123.7 -u -b 64k -Z --length 160 -p 9992 -t 25 -i 1 --cport 9992 -S 0x6 &"
# h2.cmd(val)
#val = "iperf3 -c 192.168.123.3 -u -b 6.4m -Z --length 160 -p 9939 -t 25 -i 1 --cport 9939 -S 0x6 &"
#h6.cmd(val)
# val = "iperf3 -c 192.168.123.6 -u -b 64k -Z --length 160 -p 9993 -t 25 -i 1 --cport 9993 -S 0x6 &"
# h2.cmd(val)
#val = "iperf3 -c 192.168.123.3 -u -b 6.4m -Z --length 160 -p 9949 -t 25 -i 1 --cport 9949 -S 0x6 &"
#h5.cmd(val)
val = "iperf3 -c 192.168.123.5 -u -b 64k -Z --length 160 -p 9994 -t 25 -i 1 --cport 9994 -S 0x6 &"
h2.cmd(val)
val = "iperf3 -c 192.168.123.3 -u -b 64k -Z --length 160 -p 9989 -t 25 -i 1 --cport 9989 -S 0x6 &"
h4.cmd(val)
time.sleep(3)
info('*** BE&BK measurement\n')
h7.cmd("iperf3 -s -i 1 -p 9977 | tee sta_BE_CBR_h7.txt &")
h2.cmd("iperf3 -s -i 1 -p 9979 | tee ap_BE_CBR_h8.txt &")
h8.cmd("iperf3 -s -i 1 -p 9966 | tee sta_BK_CBR_h8.txt &")
h2.cmd("iperf3 -s -i 1 -p 9969 | tee ap_BK_CBR_h7.txt &")
time.sleep(2)
val = "iperf3 -c 192.168.123.3 -M 750 -l 750 -Z -b 250k -p 9969 -t 20 --cport 9666 -i 1 -S 0x1 &"
h7.cmd(val)
val = "iperf3 -c 192.168.123.9 -M 750 -l 750 -Z -b 250k -p 9966 -t 20 --cport 9996 -i 1 -S 0x1 &"
h2.cmd(val)
val = "iperf3 -c 192.168.123.3 -M 501 -l 501 -Z -b 161k -p 9979 -t 20 --cport 9777 -i 1 -S 0x0 &"
h8.cmd(val)
val = "iperf3 -c 192.168.123.8 -M 501 -l 501 -Z -b 161k -p 9977 -t 20 --cport 9997 -i 1 -S 0x0 &"
h2.cmd(val)
time.sleep(10)
#CLI(net)
info("***Ending TCPDump and cleaning up***\n")
h3.cmd("killall tcpdump")
h4.cmd("killall tcpdump")
#h5.cmd("killall tcpdump")
#h6.cmd("killall tcpdump")
h2.cmd("killall tcpdump")
h0.cmd("killall tcpdump")
h7.cmd("killall tcpdump")
h8.cmd("killall tcpdump")
h3.cmd("killall iperf3")
h4.cmd("killall iperf3")
#h5.cmd("killall iperf3")
#h6.cmd("killall iperf3")
h2.cmd("killall iperf3")
h0.cmd("killall iperf3")
h7.cmd("killall iperf3")
h8.cmd("killall iperf3")
mininet.ns3.stop()
mininet.ns3.clear()
net.stop()
def main():
topo = MakeSwitchTopo(args.behavioral_exe, args.json)
net = Mininet(topo=topo, host=P4Host, switch=P4Switch, controller=None)
net.start()
h1 = net.get('h1')
# h1.setARP('10.0.0.1','00:aa:bb:00:00:02')
h1.setDefaultRoute('dev eth0')
h2 = net.get('h2')
# h2.setARP('10.0.0.1','00:aa:cc:00:00:01')
h2.setDefaultRoute('dev eth0')
h1 = net.get('h1')
h1.describe()
h2 = net.get('h2')
h2.describe()
sleep(1)
print "Ready !"
CLI(net)
net.stop()
if __name__ == '__main__':
setLogLevel('debug') #debug,info
main()
def emptyNet():
#root = Tk()
#"Create an empty network and add nodes to it."
#####################
hostCount=0
a=1 #Loop Variable to assign hosts of hostCount
ipstring = ""
i=1 #Loop Variable to assign ip to hosts
switchCount=0
b=1 #Loop Variable for allocating switchCount switches
j=1 #Loop Variable for assigning switches of switchCount
hostLink=0 #Number of host to be connected in link
switchLink=0 #Number of switch to be connected in link
hostCounter = 0 #For it to stop asking for input when the number of hosts are completed
#####################
add_new("This window shows all\nthe progress the user generates \n\n\n\n\n\n\n")
#roo = Tk()
#roo.withdraw()
net = Mininet( controller=Controller )
info( '*** Adding controller\n' )
net.addController( 'c0' )
#hostCount=input('Enter the total number of hosts ')
hostCount = tkSimpleDialog.askinteger("Number of Hosts","Enter the number of hosts? ")
add_new("Number of hosts added are %s"%hostCount)
hosts=[Mininet(controller=Controller)] #List for hosts
#Loop for allocation host count hosts to list
hosts.append(Mininet(controller=Controller)) #To avoid h0
while a<=hostCount:
hosts.append(Mininet(controller=Controller))
a=a+1
#Loop to assign hosts of hostCount
while i<=hostCount:
k=str(i)
#ipstring = raw_input("Enter an ip for host h"+k + " ")
ipstring = tkSimpleDialog.askstring("IP for host h%s"%k,"Enter an ip for host h%s (Must be of xx.xx.xx.xx format) "%k)
hosts[i]=net.addHost('h'+k,ip=ipstring)
i=i+1
info('Host added h'+k)
info(' with ip of ' + ipstring)
add_new("Host added h{0} with ip of {1}".format(k,ipstring))
info('\n')
#switchCount=input('Enter the total number of switches: ')
switchCount = tkSimpleDialog.askinteger("Switches","Enter the total Number of switches")
switches=[Mininet(controller=Controller)] #List for Switches
add_new("Number of switches added = %s"%switchCount)
switches.append(Mininet(controller=Controller)) #To avoid s0
#Loop for allocating switchCount switches
while b<=switchCount:
switches.append(Mininet(controller=Controller))
b=b+1
#loop for assigning switches of switchCount
while j<=switchCount:
l=str(j)
switches[j]=net.addSwitch( 's'+l)
j=j+1
info('Switch added s'+l)
info('\n')
#Loop for making links
while hostCounter < hostCount or hostLink == -1:
#hostLink=input("\nEnter host number that you want to link(-1 to finish or press cancel)\n")
hostLink = tkSimpleDialog.askinteger("Linking ...","Enter the host number that you want to link (-1 to finish or press cancel)")
if hostLink ==-1:
break
#switchLink=input("Enter switch number that you want to link it with\n")
switchLink = tkSimpleDialog.askinteger("Linking ...","Enter switch number that you want to link h{0} with ".format(hostLink))
add_new("\nEstablishing connectiong between desired host/switch")
#Establishing connectiong between desired host/switch
net.addLink(hosts[hostLink],switches[switchLink])
m=str(hostLink)
n=str(switchLink)
info( "Link created between h"+m )
info( " and s"+n)
add_new("Link created between h{0} and s{1}".format(m,n))
hostCounter = hostCounter + 1
add_new("\n You can use the Command prompt from this point onwards. THANKS\n")
info( '\n*** Starting network\n')
net.start()
info( '*** Running CLI\n' )
CLI( net )
info( '*** Stopping network' )
net.stop()
exit()
if __name__ == '__main__':
root.geometry('+900+50')
root.minsize(420,600)
root.wm_title("Progress Report")
setLogLevel( 'info' )
emptyNet()
exit()
def Start(GI=False, MCS=2, Bandwidth=20, UDP=True, TP=20, PCAP=False):
setLogLevel('info')
#info( '*** ns-3 network demo\n' )
net = Mininet()
#info( '*** Creating Network\n' )
h0 = net.addHost('h0')
h1 = net.addHost('h1')
h2 = net.addHost('h2')
wifi = WIFISegment()
#CONFIGURATION
udp = UDP
gi = GI #0,1
bandwidth = Bandwidth #20,40,80
mcs = MCS #2,4,7
if udp == False:
#TCP
payloadSize = 1448 #bytes
ns.core.Config.SetDefault("ns3::TcpSocket::SegmentSize",
ns.core.UintegerValue(payloadSize))
else:
payloadSize = 1472
wifi.wifihelper.SetStandard(ns.wifi.WIFI_PHY_STANDARD_80211ac)
# Enabling Shor guard intervals:
wifi.phyhelper.Set("ShortGuardEnabled", ns.core.BooleanValue(gi))
DataRate = ns.wifi.VhtWifiMacHelper.DataRateForMcs(mcs)
#DataRate = ns.core.StringValue("VhtMcs3")
# set datarate for node h0
wifi.wifihelper.SetRemoteStationManager("ns3::ConstantRateWifiManager",
"DataMode", DataRate,
"ControlMode", DataRate)
wifi.machelper = ns.wifi.VhtWifiMacHelper.Default()
Sssid = "wifi-80211ac"
wifi.addSta(h0, ssid=Sssid)
wifi.addSta(h1, ssid=Sssid)
wifi.addAp(h2, ssid=Sssid)
# set channel bandwidth
ns.core.Config.Set(
"/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/Phy/ChannelWidth",
ns.core.UintegerValue(bandwidth))
if PCAP == True:
wifi.phyhelper.EnablePcap("80211ac_Sta1.pcap", h0.nsNode.GetDevice(0),
True, True)
wifi.phyhelper.EnablePcap("80211ac_Sta2.pcap", h1.nsNode.GetDevice(0),
True, True)
wifi.phyhelper.EnablePcap("80211ac_Ap.pcap", h2.nsNode.GetDevice(0),
True, True)
#info( '*** Configuring hosts\n' )
h0.setIP('192.168.123.1/24')
h1.setIP('192.168.123.2/24')
h2.setIP('192.168.123.3/24')
mininet.ns3.start()
#info( '\n *** Testing network connectivity\n' )
net.pingFull([h0, h2])
#net.pingFull([h1,h2])
#net.pingFull([h0,h1])
info('*** Starting UDP iperf server on AP(h2)\n')
h2.sendCmd("iperf -s -i 1 -u")
info(
'*** Testing bandwidth between h0 and h2 while h1 is not transmitting\n'
)
val = "iperf -c 192.168.123.3 -u -b " + str(TP) + "M"
h0.cmdPrint(val)
info(
'*** Testing bandwidth between h0 and h2 while h1 is also transmitting\n'
)
val = "iperf -c 192.168.123.3 -u -b " + str(TP) + "M"
h1.sendCmd(val)
h0.cmdPrint(val)
import logging
from mininet.log import setLogLevel
from emuvim.dcemulator.net import DCNetwork
from emuvim.api.rest.rest_api_endpoint import RestApiEndpoint
from emuvim.api.openstack.openstack_api_endpoint import OpenstackApiEndpoint
from emuvim.api.aro.endpoint import Endpoint
from emuvim.api.aro.arorm import ARORM
from emuvim.api.aro.placement import FirstDC, RoundRobinDC, placevnf
logging.basicConfig(level=logging.INFO)
setLogLevel('info') # set Mininet loglevel
logging.getLogger('werkzeug').setLevel(logging.DEBUG)
logging.getLogger('api.openstack.base').setLevel(logging.DEBUG)
logging.getLogger('api.openstack.compute').setLevel(logging.DEBUG)
logging.getLogger('api.openstack.keystone').setLevel(logging.DEBUG)
logging.getLogger('api.openstack.nova').setLevel(logging.DEBUG)
logging.getLogger('api.openstack.neutron').setLevel(logging.DEBUG)
logging.getLogger('api.openstack.heat').setLevel(logging.DEBUG)
logging.getLogger('api.openstack.heat.parser').setLevel(logging.DEBUG)
logging.getLogger('api.openstack.glance').setLevel(logging.DEBUG)
logging.getLogger('api.openstack.helper').setLevel(logging.DEBUG)
class Topology(DCNetwork):
def __init__(self):
super(Topology, self).__init__(monitor=False, enable_learning=True)
def setup_topo(self):
self._create_dcs()
vc.start()
# once the client complete, lets stop the throttling
tl.terminate()
sleep(2)
print("all godash clients have finished streaming")
# reset the system network
os.system(
"tc class change dev s1-eth1 parent 1:0 classid 1:1 htb rate %fkbit ceil %fkbit"
% (10000, 10000))
genstats_voip_clients(serverHost, voip_host, int(args.voipclients),
subfolder, run, current_folder)
net.stop()
if args.transport_mode == "tcp" and args.serverType == "WSGI":
Popen("pgrep -f caddy | xargs kill -9", shell=True).wait()
caddy_s1 = serverHost.popen("rm ./output/caddy_access.log")
if args.transport_mode == "quic" and args.serverType == "WSGI":
Popen("pgrep -f example | xargs kill -9", shell=True).wait()
if args.collaborative == "on":
# lets stop consul
os.system("killall -9 consul")
if __name__ == '__main__':
os.system("mn -c")
setLogLevel('output')
goDashBedNet()
os.system("chmod 777 -R *")
metavar="INTEGER",
type="int",
default=4)
parser.add_option("-s",
"--spines",
dest="spine_count",
help="specify the number of spine switches",
metavar="INTEGER",
type="int",
default=2)
parser.add_option("-c",
"--controller",
dest="controllers",
help="specify the IP address of the controller",
action="append",
metavar="IP")
parser.add_option("-v",
"--verbose",
dest="verbose",
help="display additional logging information",
action="store_true",
default=False)
(options, args) = parser.parse_args()
if options.verbose:
setLogLevel('debug')
else:
setLogLevel('info')
simpleTest(options)
class OVSUser(OVSAP):
"OVS User AP convenience class"
def __init__(self, *args, **kwargs):
kwargs.update(datapath='user')
OVSAP.__init__(self, *args, **kwargs)
class testSwitchOVSUser(TestSwitchDpidAssignmentOVS):
"Test dpid assignnment of OVS User AP."
accessPointClass = OVSUser
@unittest.skipUnless(quietRun('which ivs-ctl'), 'IVS ap is not installed')
class testSwitchIVS(TestSwitchDpidAssignmentOVS):
"Test dpid assignment of IVS ap."
accessPointClass = IVSSwitch
@unittest.skipUnless(quietRun('which ofprotocol'),
'Reference user ap is not installed')
class testSwitchUserspace(TestSwitchDpidAssignmentOVS):
"Test dpid assignment of Userspace ap."
accessPointClass = UserAP
if __name__ == '__main__':
setLogLevel('warning')
unittest.main()
from mininet.cli import CLI
from mininet.log import setLogLevel, info, error
from mininet.net import Mininet
from mininet.node import RemoteController, OVSSwitch
from mininet.link import TCLink
if __name__ == "__main__":
default_hs_bw = 10
default_ss_bw = 10
default_gs_bw = 10
default_ng_bw = 10
setLogLevel("info")
net = Mininet(switch=OVSSwitch, listenPort=6633, ipBase='191.0.0.1/4')
mycontroller = RemoteController("RemoteController")
net.controllers = [mycontroller]
net.nameToNode["RemoteController"] = mycontroller
# host
# tenant 1
host1 = net.addHost('h1', ip="191.168.2.1", mac='00:00:00:00:01:01')
host2 = net.addHost('h2', ip="192.168.2.2", mac='00:00:00:00:01:02')
# tenant 2
host3 = net.addHost('h3', ip="191.168.2.1", mac='00:00:00:00:01:03')
host4 = net.addHost('h4', ip="192.168.2.2", mac='00:00:00:00:01:04')
# switch
switch1 = net.addSwitch('s1', ip="191.168.3.1", datapath='user')
switch2 = net.addSwitch('s2', ip="191.168.3.2", datapath='user')
def Start(OFDM_R=9, UDP=True, TP=9, PCAP=False):
setLogLevel('info')
#info( '*** ns-3 network demo\n' )
net = Mininet()
#info( '*** Creating Network\n' )
h0 = net.addHost('h0')
h1 = net.addHost('h1')
h2 = net.addHost('h2')
h3 = net.addHost('h3')
h4 = net.addHost('h4')
h5 = net.addHost('h5')
wifi = WIFISegment()
#CONFIGURATION
udp = UDP
bandwidth = 20
ofdm_r = "OfdmRate" + str(OFDM_R) + "Mbps"
OfdmRate = ofdm_r #9,24,48
if udp == False:
#TCP
payloadSize = 1448 #bytes
ns.core.Config.SetDefault("ns3::TcpSocket::SegmentSize",
ns.core.UintegerValue(payloadSize))
else:
payloadSize = 1472
wifi = WIFISegment()
wifi.wifihelper.SetStandard(ns.wifi.WIFI_PHY_STANDARD_80211a)
wifi.wifihelper.SetRemoteStationManager(
"ns3::ConstantRateWifiManager", "DataMode",
ns.core.StringValue(OfdmRate), "ControlMode",
ns.core.StringValue("OfdmRate9Mbps"))
Sssid = "wifi-80211a"
wifi.addSta(h0, ssid=Sssid)
wifi.addSta(h1, ssid=Sssid)
wifi.addSta(h2, ssid=Sssid)
wifi.addSta(h3, ssid=Sssid)
wifi.addSta(h4, ssid=Sssid)
wifi.addAp(h5, ssid=Sssid)
# set channel bandwidth
ns.core.Config.Set(
"/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/Phy/ChannelWidth",
ns.core.UintegerValue(bandwidth))
if PCAP == True:
wifi.phyhelper.EnablePcap("80211a_sta1.pcap", h0.nsNode.GetDevice(0),
True, True)
wifi.phyhelper.EnablePcap("80211a_sta2.pcap", h1.nsNode.GetDevice(0),
True, True)
wifi.phyhelper.EnablePcap("80211a_sta3.pcap", h2.nsNode.GetDevice(0),
True, True)
wifi.phyhelper.EnablePcap("80211a_sta4.pcap", h3.nsNode.GetDevice(0),
True, True)
wifi.phyhelper.EnablePcap("80211a_sta5.pcap", h4.nsNode.GetDevice(0),
True, True)
wifi.phyhelper.EnablePcap("80211a_ap.pcap", h5.nsNode.GetDevice(0),
True, True)
#info( '*** Configuring hosts\n' )
h0.setIP('192.168.123.1/24')
h1.setIP('192.168.123.2/24')
h2.setIP('192.168.123.3/24')
h3.setIP('192.168.123.4/24')
h4.setIP('192.168.123.5/24')
h5.setIP('192.168.123.6/24')
mininet.ns3.start()
#info( '\n *** Testing network connectivity\n' )
net.pingFull([h0, h5])
#net.pingFull([h1,h2])
#net.pingFull([h0,h1])
info('*** Starting UDP iperf server on AP(h5)\n')
h5.sendCmd("iperf -s -i 1 -u")
info(
'*** Testing bandwidth between h0 and h5 while others stas are not transmitting\n'
)
val = "iperf -c 192.168.123.6 -u -b " + str(TP) + "M"
h0.cmdPrint(val)
info(
'*** Testing bandwidth between h0 and h5 while all stats are also transmitting\n'
)
val = "iperf -c 192.168.123.6 -u -b " + str(TP) + "M"
h0.sendCmd(val)
h1.sendCmd(val)
h2.sendCmd(val)
h3.sendCmd(val)
h4.cmdPrint(val)
def simulate(self, controller=None, client=True, minute=1):
# 删除上一次的测试文件
U.del_file(FilePath.res_path)
print('*****************************************')
print('****** NET is establishing ******')
print('*****************************************')
print
setLogLevel("info")
topo = self.datacenter.dc_topo
if controller is None:
self.net = Net(switch=OVSSwitch, controller=Controller)
self.net.addController('c0')
else:
if controller["type"] == "remote":
self.net = Net(switch=OVSSwitch, listenPort=controller["port"])
mycontroller = RemoteController("RemoteController")
self.net.controllers = [mycontroller]
self.net.nameToNode["RemoteController"] = mycontroller
else:
self.net = Net(switch=OVSSwitch, controller=Controller)
self.net.addController('c0')
net = self.net
hosts = topo.hosts
switches = topo.switches
gateways = topo.gateways
# add node
for h in hosts:
net.addHost(h.name, ip=h.ip, mac=h.mac)
for s in switches:
net.addSwitch(s.name,
ip=s.ip,
mac=s.mac,
dpid=Util.dpid_num_2_dpid_hex(s.dpid))
for g in gateways:
net.addSwitch(g.name,
ip=g.ip,
dpid=Util.dpid_num_2_dpid_hex(g.dpid))
# add link
for edge in topo.graph.edges:
self.add_link(edge)
if client:
net.start()
self.set_default_gateway()
# self.ping_all()
# self.set_up_udp_listener()
CLI(net)
net.stop()
return
else:
st = time.time()
net.start()
print('*****************************************')
print('*** NET has been successfully created ***')
print('*****************************************')
print
et = time.time()
print('======================================================')
with open('1.txt', 'w') as f:
f.write(str(et - st))
f.close()
wait_time = 3
print('*****************************************')
print(
'*** please wait for {} ses to start ***'.format(wait_time))
print('*****************************************')
print
time.sleep(wait_time)
self.set_default_gateway()
st = time.time()
print('*****************************************')
print('*** Start to do Ping test ***')
print('*****************************************')
print
# if self.ping_all():
if True:
print('*****************************************')
print('****** Pass Ping test *******')
print('*****************************************')
print
else:
print('*****************************************')
print('****** Fail Ping test *******')
print('*****************************************')
print
et = time.time()
print('======================================================')
with open('2.txt', 'w') as f:
f.write(str(et - st))
f.close()
print('*****************************************')
print('***** Start to simulate *****')
print('*****************************************')
print
self.set_up_udp_listener()
time.sleep(2)
self.simulate_flow(minute=minute)
pkt_loss = self.pkt_loss()
if pkt_loss == -1:
print('*****************************************')
print('****** Result Parser Fail *******')
print('*****************************************')
else:
print('*****************************************')
print('****** Total pkt loss is {} '.format(
round(pkt_loss, 4)))
print('*****************************************')
CLI(net)
net.stop()
def Main():
setLogLevel('info')
net = Mininet(topo=None, build=False)
# Create nodes
h1 = net.addHost('h1',
mac='01:00:00:00:01:00',
ip='192.168.33.10/24',
defaultRoute="via 192.168.33.1")
h2 = net.addHost('h2',
mac='01:00:00:00:02:00',
ip='192.168.34.10/24',
defaultRoute="via 192.168.34.1")
h3 = net.addHost('h3',
mac='01:00:00:00:03:00',
ip='192.168.33.11/24',
defaultRoute="via 192.168.33.1")
# h1 = net.addHost('h1', mac='01:00:00:00:01:00', ip='192.168.33.10/24')
# h2 = net.addHost('h2', mac='01:00:00:00:02:00', ip='192.168.34.10/24')
# Create switches
s1 = net.addSwitch('s1', listenPort=6634, mac='00:00:00:00:00:01')
s2 = net.addSwitch('s2', listenPort=6634, mac='00:00:00:00:00:02')
s3 = net.addSwitch('s3', listenPort=6634, mac='00:00:00:00:00:03')
# non sdn switch to enable multiple hosts behind a port.
s10 = net.addSwitch('s10', protocols='OpenFlow13', failMode='standalone')
# create links
print "*** Creating links"
net.addLink(
h1,
s10,
)
net.addLink(
h3,
s10,
)
net.addLink(s10, s1)
net.addLink(
s1,
s2,
)
net.addLink(
s2,
s3,
)
net.addLink(
h2,
s3,
)
# Create controller access
c0 = net.addController('c0',
controller=RemoteController,
ip='192.168.33.101',
port=6633)
c1 = net.addController('c1',
controller=RemoteController,
ip='192.168.33.102',
port=6633)
net.build()
s1.start([c0])
s2.start([c0])
s3.start([c1])
s10.start([])
s1.cmdPrint('ovs-vsctl show')
CLI(net)
#print "Ping h2 from h1"
#try:
# while True:
# print h1.cmd('ping -c1 %s' % h2.IP())
# time.sleep(1)
# except KeyboardInterrupt:
# print "\nWarning: Caught KeyboardInterrupt, stopping network"
# net.stop()
net.stop()
def main():
setLogLevel('info') # set Mininet loglevel
create_topology1()
f.write(", {}, ".format(rtt2))
bandwidth = net.iperf((h1,h2),fmt='-M 1074 -f M')
f.write(str(bandwidth))
bw1=bandwidth[0].split()
b1=bw1[0]
bw2=bandwidth[1].split()
b2=bw2[0]
cwnd=((float(rtt1)*float(b1)*1000)+(float(rtt2)*float(b2)*1000))/2
cwnd=float(cwnd/1024)
f.close()
net.stop()
return cwnd
if __name__ == '__main__':
setLogLevel('error')
os.system("sysctl -w net.ipv4.tcp_congestion_control=reno")
bandwidth=[10]
#bandwidth=[10,9,8]
#queue = [30,20]
queue=[30]
loss=numpy.logspace(-1.5,0.69,num=100,base=10.0)
x=[]
y=[]
c=[]
count=1
for q in queue:
for b in bandwidth:
for l in loss:
info( "*** Creating hosts\n" )
hosts1 = [ net.addHost( 'h%d' % n ) for n in ( 3, 4 ) ]
hosts2 = [ net.addHost( 'h%d' % n ) for n in ( 5, 6 ) ]
info( "*** Creating links\n" )
for h in hosts1:
net.addLink( s1, h )
for h in hosts2:
net.addLink( s2, h )
net.addLink( s1, s2 )
info( "*** Starting network\n" )
net.build()
c1.start()
c2.start()
s1.start( [ c1 ] )
s2.start( [ c2 ] )
info( "*** Testing network\n" )
net.pingAll()
info( "*** Running CLI\n" )
CLI( net )
info( "*** Stopping network\n" )
net.stop()
if __name__ == '__main__':
setLogLevel( 'info' ) # for CLI output
multiControllerNet()
values = [float(s) for s in pout.splitlines()]
avgnetms = sum(values) / len(values) * 1000.0
info('*** Average per-ping latency %.3f ms\n' % avgnetms)
info('*** %s pings completed in %.3f seconds\n' %
(opts.pings, elapsed))
avgms = (elapsed / opts.pings * 1000.0)
info('*** Average ping time overall: %.3f ms\n' % avgms)
info('*** Stopping cpu stress processes and collecting output\n')
result = {}
quietRun('pkill -f ' + cpustress)
for key, popen in cmd.iteritems():
popen.terminate()
info('.')
result[key] = int(popen.communicate()[0])
info('\n')
# Print sorted cpu stress output
print "*** cpu stress process output:"
print[(key, result[key]) for key in sorted(result)]
# Get rid of any stragglers
print quietRun('pkill -9 -f ' + cpustress)
info('*** Stopping updping')
print quietRun('pkill -9 udping')
net.stop()
if __name__ == '__main__':
setLogLevel('info')
opts, args = parseOptions()
pingpongtest(opts)
hosts = int(args.hosts)
if args.duration:
duration = int(args.duration)
if args.queue:
queueType = str(args.queue)
return (switches, hosts, duration, queueType)
if __name__ == '__main__':
(switches, hosts, duration, queueType) = parseArguments()
setLogLevel('warn')
net = setUpTopology(switches, hosts)
warn('\n*** Simulation time: {duration} seconds\n'.format(
duration=duration))
setUpQueue(net, queueType)
s0 = net.get('s0')
s0.cmd('tcpdump -i {intf} -w jows-0.pcap &'.format(intf='s0-eth1'))
background(net, hosts=hosts, duration=duration)
stream(net, hosts=hosts, duration=duration)
warn("*** Processing...\n")
time.sleep(duration + 5)
speaker1.intf('speaker1-eth1').setIP('1.1.1.1/24')
speaker2.intf('speaker2-eth1').setIP('1.1.1.3/24')
stopsshd()
hosts = [peer64514, peer64515, peer64516, host64514]
startsshds(hosts)
'''
forwarding1 = '%s:2000:%s:2000' % ( '1.1.1.2', onos1IP )
root.cmd( 'ssh -nNT -o "PasswordAuthentication no" \
-o "StrictHostKeyChecking no" -l sdn -L %s %s & ' % ( forwarding1, onos1IP ) )
forwarding2 = '%s:2000:%s:2000' % ( '1.1.1.4', onos2IP )
root.cmd( 'ssh -nNT -o "PasswordAuthentication no" \
-o "StrictHostKeyChecking no" -l sdn -L %s %s & ' % ( forwarding2, onos2IP ) )
forwarding3 = '%s:2000:%s:2000' % ( '1.1.1.6', onos3IP )
root.cmd( 'ssh -nNT -o "PasswordAuthentication no" \
-o "StrictHostKeyChecking no" -l sdn -L %s %s & ' % ( forwarding3, onos3IP ) )
'''
CLI(net)
stopsshd()
stopquagga()
net.stop()
if __name__ == '__main__':
setLogLevel('debug')
sdn1net()
"""
Remocao da quebra de linha dupla na serializacao da mensagem,
O metodo makePickle foi redefinido para enviar somente a string
do LogRecord
O método é internamente chamado pela classe SocketHandler para
escrita do objeto serializável, durante a execução da método
handler da super classe
"""
def makePickle(self, record):
try:
msg = record.getMessage() # Ou format(record)
fmt = '%s'
return pickle.dumps(fmt % msg)
except:
self.handleError( record )
return pickle.dumps('*** Error ')
"""
A classe Lg é herdado de Logger, atuando como controlador, permitindo a alteração por ser singleton
"""
setLogLevel('info') #Seta o setLevel do controlador
def connection_addr(addr_client = 'localhost'):
socket_handler = SocketHandlerMininet(addr_client, handlers.DEFAULT_TCP_LOGGING_PORT)
socket_handler.setLevel(logging.INFO)
lg.addHandler(socket_handler)