def RunTestBed():
# NCTU_EC_Topology( Core Switch, Aggregate Switch, Access Switch, Host)
topo = NCTU_EC_Topology(core=1, agg=3, access=3, host=2)
net = MininetCluster( controller=RemoteController, topo=topo, servers=SERVER_LIST, placement=DFSPlacer, root_node="core1", tunneling="vxlan" )
net.addController( 'controller', controller=RemoteController, ip=CONTROLLER_IP, port=CONTROLLER_PORT )
wifi = WifiSegment()
"""
Create AP
"""
ap_to_access_sw = 0
for i in xrange(1):
AP_NAME = "ap" + str(i)
ap = net.addSwitch(AP_NAME, server=SERVER_LIST[0])
mininet.ns3.setMobilityModel(ap, None)
mininet.ns3.setPosition(ap, 0, 0, 0)
wifi.addAp(ap, channelNumber=6, ssid="opennet-ap", port=0)
net.addLink(ap, topo.access_sw_list[ap_to_access_sw])
ap_to_access_sw += 1
"""
Create Station
"""
STA_NAME = "sta" + str(0)
sta = net.addHost(STA_NAME, server=SERVER_LIST[0])
mininet.ns3.setMobilityModel(sta, None)
mininet.ns3.setPosition(sta, 0, 0, 0)
wifi.addSta(sta, channelNumber=6, ssid="opennet-ap", port=0)
net.start()
mininet.ns3.start()
"""
Post Handle
"""
# XXX Need to fixed
AP_NAME = "ap" + str(0)
cmd = "ovs-vsctl add-port {0} {0}-eth0".format(AP_NAME)
net.getNodeByName(AP_NAME).cmdPrint(cmd)
STA_NAME = "sta" + str(0)
cmd = "ip addr add 10.0.0.{0}/8 dev {1}-eth0".format(str(200+i), STA_NAME)
net.getNodeByName(STA_NAME).cmdPrint(cmd)
net.getNodeByName(STA_NAME).cmdPrint("ip addr show dev {0}-eth0".format(STA_NAME))
"""
Show interface object in ns3
"""
print("*** allTBintfs: {0}\n".format(mininet.ns3.allTBIntfs))
CLI( net )
mininet.ns3.stop()
mininet.ns3.clear()
net.stop()
def emulation():
# Use MininetCluster for cluster emulation of hosts and switches
servers = ['master']
# For multiple hosts: servers = ['master', 'slave']
# Do not use 127.0.0.1
serverIP = {'master': IP}
# For multiple hosts: serverIP = {'master': "192.168.0.1", 'slave': "192.168.0.2"}
net = MininetCluster(controller=None,
user='******',
servers=servers,
serverIP=serverIP)
switches = [None]
# Add OpenFlow Switches (OVS)
info("*** Add OFS\n")
switch = net.addSwitch("ofs1",
failMode='standalone',
user='******',
server='master',
serverIP=IP)
switches.append(switch)
switch = net.addSwitch("ofs2",
failMode='standalone',
user='******',
server='master',
serverIP=IP)
switches.append(switch)
# For multiple hosts:
# switch = net.addSwitch ("ofs3", failMode='standalone', user='******', server='slave', serverIP="192.168.0.2")
# switches.append (switch)
info("*** Add link between OFS\n")
net.addLink(switches[1], switches[2])
# For multiple hosts:
# net.addLink (switches[1], switches[3])
hosts = []
ueIpList = []
lteList = []
# Create one LTE object for each available CPU
for c in range(0, CPU):
# Master will responsible for emulation of EPC (MME/SGW/PGW)
if c == 0:
MODE = 'Master'
else:
MODE = 'Slave'
LOG = "/tmp/ns-3-log-{0}.txt".format(c)
# IP address format of UE
UE_IP_BASE = '7.0.{0}.1'.format(c)
# The TAP interface which is used as junction point of Mininet and NS-3
SLAVE_DEVICE = 'slaveTap{0}'.format(c)
# Reference mininet/lte.py for more detail of Lte class
lte = Lte(tdf=TDF,
mode=MODE,
epcSwitch=switches[1],
agentIp=IP,
logFile=LOG,
imsiBase=c * (UE / CPU),
cellIdBase=c * (ENB / CPU),
ueIpBase=UE_IP_BASE,
slaveName=SLAVE_DEVICE)
# For multiple hosts: agentIp="192.168.0.2"
info('*** Add eNodeB on LTE {0}\n'.format(c))
for i in range(c * (ENB / CPU) + 1, (c + 1) * (ENB / CPU) + 1):
info('enbTap{0} '.format(i))
lte.addEnb(switches[2],
"enbTap{0}".format(i),
position=[distance * i, distance * i * c, 0])
# For multiple hosts: agentIp="192.168.0.2"
# lte.addEnb (switches[3], "enbTap{0}".format (i), position=[distance * i, distance * i * c, 0])
info('\n')
info('*** Add UE on LTE {0}\n'.format(c))
for i in range(c * (UE / CPU) + 1, (c + 1) * (UE / CPU) + 1):
info('h{0} '.format(i))
# UE is combination of Mininet host and NS-3 node
host = net.addHost("h{0}".format(i),
user='******',
server='master',
serverIP=IP,
tdf=TDF)
# For multiple hosts:
# host = net.addHost ("h{0}".format (i), user='******', server='slave', serverIP="192.168.0.2", tdf=TDF)
ueIP, ueIndex = lte.addUe(
host, position=[distance * i, distance * i * c, 0])
# Add EpsBearer to UE
lte.addEpsBearer(ueIndex=ueIndex,
localPortStart=3000,
localPortEnd=3999,
qci='EpsBearer.NGBR_IMS')
lte.addEpsBearer(ueIndex=ueIndex,
remotePortStart=3000,
remotePortEnd=3999,
qci='EpsBearer.NGBR_IMS')
lte.addEpsBearer(ueIndex=ueIndex,
localPortStart=4000,
localPortEnd=4999,
qci='EpsBearer.GBR_CONV_VOICE')
lte.addEpsBearer(ueIndex=ueIndex,
remotePortStart=4000,
remotePortEnd=4999,
qci='EpsBearer.GBR_CONV_VOICE')
# Record IP address for further usage (depends on scenario)
ueIpList.append(ueIP)
hosts.append(host)
info('\n')
lteList.append(lte)
info('*** net.start ()\n')
net.start()
info('*** lte.start ()\n')
for lte in lteList:
lte.start()
info('*** Please wait for activation of EPS bearer...\n')
call('sleep 15', shell=True)
info('*** Notification: GTP-U tunnel does not support ping\n')
# Emulation example:
# h1 iperf3 -s
# h2 iperf3 -c h1 -M 1024 -R -t 3
# or h2 iperf3 -c h1 -u -l 1024 -R -t 3 -b 1M
ClusterCLI(net)
for lte in lteList:
lte.stop()
lte.clear()
net.stop()
def RunTestBed():
# NCTU_EC_Topology( Core Switch, Aggregate Switch, Access Switch, Host)
topo = NCTU_EC_Topology(core=1, agg=3, access=3, host=2)
net = MininetCluster(controller=RemoteController,
topo=topo,
servers=SERVER_LIST,
placement=DFSPlacer,
root_node="core1",
tunneling="vxlan")
net.addController('controller',
controller=RemoteController,
ip=CONTROLLER_IP,
port=CONTROLLER_PORT)
wifi = WifiSegment()
"""
Create AP
"""
ap_to_access_sw = 0
for i in xrange(1):
AP_NAME = "ap" + str(i)
ap = net.addSwitch(AP_NAME, server=SERVER_LIST[0])
mininet.ns3.setMobilityModel(ap, None)
mininet.ns3.setPosition(ap, 0, 0, 0)
wifi.addAp(ap, channelNumber=6, ssid="opennet-ap", port=0)
net.addLink(ap, topo.access_sw_list[ap_to_access_sw])
ap_to_access_sw += 1
"""
Create Station
"""
STA_NAME = "sta" + str(0)
sta = net.addHost(STA_NAME, server=SERVER_LIST[0])
mininet.ns3.setMobilityModel(sta, None)
mininet.ns3.setPosition(sta, 0, 0, 0)
wifi.addSta(sta, channelNumber=6, ssid="opennet-ap", port=0)
net.start()
mininet.ns3.start()
"""
Post Handle
"""
# XXX Need to fixed
AP_NAME = "ap" + str(0)
cmd = "ovs-vsctl add-port {0} {0}-eth0".format(AP_NAME)
net.getNodeByName(AP_NAME).cmdPrint(cmd)
STA_NAME = "sta" + str(0)
cmd = "ip addr add 10.0.0.{0}/8 dev {1}-eth0".format(
str(200 + i), STA_NAME)
net.getNodeByName(STA_NAME).cmdPrint(cmd)
net.getNodeByName(STA_NAME).cmdPrint(
"ip addr show dev {0}-eth0".format(STA_NAME))
"""
Show interface object in ns3
"""
print("*** allTBintfs: {0}\n".format(mininet.ns3.allTBIntfs))
CLI(net)
mininet.ns3.stop()
mininet.ns3.clear()
net.stop()
