def topology():
"Create a network."
net = Mininet_wifi(controller=Controller, accessPoint=UserAP,
link=wmediumd, enable_interference=True)
info("*** Creating nodes\n")
cars = []
stas = []
for x in range(0, 10):
cars.append(x)
stas.append(x)
for x in range(0, 10):
cars[x] = net.addCar('car%s' % (x),
wlans=1, ip='10.0.0.%s/8' % (x + 1))
e1 = net.addAccessPoint('e1', ssid='vanet-ssid', mac='00:00:00:11:00:01',
mode='g', channel='1', passwd='123456789a',
encrypt='wpa2', position='3279.02,3736.27,0')
e2 = net.addAccessPoint('e2', ssid='vanet-ssid', mac='00:00:00:11:00:02',
mode='g', channel='6', passwd='123456789a',
encrypt='wpa2', position='2320.82,3565.75,0')
e3 = net.addAccessPoint('e3', ssid='vanet-ssid', mac='00:00:00:11:00:03',
mode='g', channel='11', passwd='123456789a',
encrypt='wpa2', position='2806.42,3395.22,0')
e4 = net.addAccessPoint('e4', ssid='vanet-ssid', mac='00:00:00:11:00:04',
mode='g', channel='1', passwd='123456789a',
encrypt='wpa2', position='3332.62,3253.92,0')
e5 = net.addAccessPoint('e5', ssid='vanet-ssid', mac='00:00:00:11:00:05',
mode='g', channel='6', passwd='123456789a',
encrypt='wpa2', position='2887.62,2935.61,0')
e6 = net.addAccessPoint('e6', ssid='vanet-ssid', mac='00:00:00:11:00:06',
mode='g', channel='11', passwd='123456789a',
encrypt='wpa2', position='2351.68,3083.40,0')
c1 = net.addController('c1', controller=Controller, ip='127.0.0.1',
port=6633)
net.propagationModel(model="logDistance", exp=2.5)
info("*** Setting bgscan\n")
net.setBgscan(signal=-45, s_inverval=5, l_interval=10)
info("*** Configuring Propagation Model\n")
net.propagationModel(model="logDistance", exp=2)
info("*** Configuring wifi nodes\n")
net.configureWifiNodes()
net.addLink(e1, e2)
net.addLink(e2, e3)
net.addLink(e3, e4)
net.addLink(e4, e5)
net.addLink(e5, e6)
net.useExternalProgram('sumo-gui', config_file='map.sumocfg')
info("*** Starting network\n")
net.build()
c1.start()
e1.start([c1])
e2.start([c1])
e3.start([c1])
e4.start([c1])
e5.start([c1])
e6.start([c1])
i = 201
for sw in net.carsSW:
sw.start([c1])
os.system('ip addr add 10.0.0.%s dev %s' % (i, sw))
i += 1
i = 1
j = 2
for car in cars:
car.setIP('192.168.0.%s/24' % i, intf='%s-wlan0' % car)
car.setIP('192.168.1.%s/24' % i, intf='%s-eth1' % car)
car.cmd('ip route add 10.0.0.0/8 via 192.168.1.%s' % j)
i += 2
j += 2
i = 1
j = 2
for carsta in net.carsSTA:
carsta.setIP('10.0.0.%s/24' % i, intf='%s-mp0' % carsta)
carsta.setIP('192.168.1.%s/24' % j, intf='%s-eth2' % carsta)
# May be confuse, but it allows ping to the name instead of ip addr
carsta.setIP('10.0.0.%s/24' % i, intf='%s-wlan0' % carsta)
carsta.cmd('echo 1 > /proc/sys/net/ipv4/ip_forward')
i += 1
j += 2
for carsta1 in net.carsSTA:
i = 1
j = 1
for carsta2 in net.carsSTA:
if carsta1 != carsta2:
carsta1.cmd('route add -host 192.168.1.%s gw 10.0.0.%s' % (j, i))
i += 1
j += 2
info("*** Running CLI\n")
CLI_wifi(net)
info("*** Stopping network\n")
net.stop()
def topology():
car_type = SD_Car
op = raw_input("Choose Type of Experiment: (1)v2i \t (2)v2v \nChoice:")
if(op == "1"):
v2v = False
pass
else:
v2v = True
caching = input(
"What do you prefere to run:\n (1)car-level caching enabled (2)car-level caching disbled \nChoice: ")
if(caching == "1"):
car_type = SD_C_Car
else:
car_type = SD_Car
"Create a network."
net = Mininet_wifi(controller=Vanet_controller, accessPoint=UserAP,
switch=SD_Car_Switch, station=SD_station,link=wmediumd,
wmediumd_mode=interference)
print ("*** Creating nodes")
cars = []
stas = []
for x in range(0, 10):
cars.append(x)
stas.append(x)
for x in range(0, 10):
cars[x] = net.addCar('car%s' % (x), wlans=1,
ip='10.0.0.%s/8' % (x + 1), encrypt='wpa2', cls=car_type)
e1 = net.addAccessPoint('e1', wlans=2, ssid='vanet-ssid,', mac='00:00:00:11:00:01', mode='g', channel='1',
passwd='123456789a', encrypt='wpa2', position='3332.62,3253.92,0', cls=eNodeB, inNamespace=True)
e2 = net.addAccessPoint('e2', wlans=2, ssid='vanet-ssid,', mac='00:00:00:11:00:02', mode='g', channel='1',
passwd='123456789a', encrypt='wpa2', position='3279.02,3736.27,0', cls=eNodeB, inNamespace=True)
e3 = net.addAccessPoint('e3', wlans=2, ssid='vanet-ssid,', mac='00:00:00:11:00:03', mode='g', channel='11',
passwd='123456789a', encrypt='wpa2', position='2806.42,3395.22,0', cls=eNodeB, inNamespace=True)
e4 = net.addAccessPoint('e4', wlans=2, ssid='vanet-ssid,', mac='00:00:00:11:00:04', mode='g', channel='6',
passwd='123456789a', encrypt='wpa2', position='2320.82,3565.75,0', cls=eNodeB, inNamespace=True)
e5 = net.addAccessPoint('e5', wlans=2, ssid='vanet-ssid,', mac='00:00:00:11:00:05', mode='g', channel='6',
passwd='123456789a', encrypt='wpa2', position='2887.62,2935.61,0', cls=eNodeB, inNamespace=True)
e6 = net.addAccessPoint('e6', wlans=2, ssid='vanet-ssid,', mac='00:00:00:11:00:06', mode='g', channel='11',
passwd='123456789a', encrypt='wpa2', position='2351.68,3083.40,0', cls=eNodeB, inNamespace=True)
client = net.addHost('cloud', cls=Cloud_host)
switch = net.addSwitch('switch', dpid='4000000000000000', cls=SD_Switch)
c1 = net.addController(
'c1', controller=Vanet_controller, ip='127.0.0.1', port=6653)
# "logDistancePropagationLossModel"
net.propagationModel(exp=2.8)
if(v2v):
print ("*** Setting bgscan")
net.setBgscan(signal=-45, s_inverval=5, l_interval=10)
print ("*** Configuring wifi nodes")
net.configureWifiNodes()
net.addLink(switch, e1)
net.addLink(client, switch)
"""net.addLink(e1, e2)
net.addLink(e2, e3)
net.addLink(e3, e4)
net.addLink(e4, e5)
net.addLink(e5, e6)"""
net.addLink(e1, intf = 'e1-wlan2', cls=mesh, ssid='mesh-ssid')
net.addLink(e2, intf = 'e2-wlan2', cls=mesh, ssid='mesh-ssid')
net.addLink(e3, intf = 'e3-wlan2', cls=mesh, ssid='mesh-ssid')
net.addLink(e4, intf = 'e4-wlan2', cls=mesh, ssid='mesh-ssid')
net.addLink(e5, intf = 'e5-wlan2', cls=mesh, ssid='mesh-ssid')
net.addLink(e6, intf = 'e6-wlan2', cls=mesh, ssid='mesh-ssid')
"Available Options: sumo, sumo-gui"
net.useExternalProgram('sumo-gui', config_file='map.sumocfg')
print ("*** Starting network")
net.build()
c1.start()
e1.start([c1])
e2.start([c1])
e3.start([c1])
e4.start([c1])
e5.start([c1])
e6.start([c1])
i = 201
for sw in net.carsSW:
sw.start([c1])
os.system('ifconfig %s 10.0.0.%s' % (sw, i))
i += 1
i = 1
j = 2
for car in cars:
car.setIP('192.168.0.%s/24' % i, intf='%s-wlan0' % car)
car.setIP('192.168.1.%s/24' % i, intf='%s-eth1' % car)
car.cmd('ip route add 10.0.0.0/8 via 192.168.1.%s' % j)
i += 2
j += 2
i = 1
j = 2
for carsta in net.carsSTA:
carsta.setIP('10.0.0.%s/24' % i, intf='%s-mp0' % carsta)
carsta.setIP('192.168.1.%s/24' % j, intf='%s-eth2' % carsta)
# May be confuse, but it allows ping to the name instead of ip addr
carsta.setIP('10.0.0.%s/24' % i, intf='%s-wlan0' % carsta)
carsta.cmd('echo 1 > /proc/sys/net/ipv4/ip_forward')
i += 1
j += 2
for carsta1 in net.carsSTA:
i = 1
j = 1
for carsta2 in net.carsSTA:
if carsta1 != carsta2:
carsta1.cmd('route add -host 192.168.1.%s gw 10.0.0.%s' % (j, i))
i += 1
j += 2
# Assigning IPs for Access points wlan interfaces
IPs = ['90','91','92','93','94','95','96']
for i in range(0,6):
net.aps[i].cmd('ifconfig e%s-wlan1 192.168.0.%s'%(i+1,IPs[i]))
net.aps[i].cmd('ifconfig e%s-mp2 192.168.2.%s'%(i+1,i+1))
net.aps[i].extIP = '192.168.0.%s'%(IPs[i])
c1.initializeNetworkResources(net)
if(v2v):
raw_input("Press Enter to continue (wait 30sec after t=28)...")
os.system('clear')
os.system('ovs-ofctl mod-flows car2SW in_port=2,actions=drop')
cars[2].cmdPrint('iwconfig car2-wlan0')
sleep(3)
cars[6].cmdPrint('iwconfig car6-wlan0')
print ("****************************************************")
print ("*** Both car2 and car6 are associated to enodeB5 ***")
print ("****************************************************")
sleep(6)
os.system('clear')
print ("****************************************************************")
print ("*** Car6 is so far from enodeB5. Trying to send data by car2 ***")
print ("****************************************************************")
sleep(6)
os.system('clear')
print ("**************************************")
print ("*** Trying to send data to car6... ***")
print ("**************************************")
cars[2].cmdPrint('ping -c5 10.0.0.7')
print ("****************************************************************************************************")
print ("*** Car2: V2V is blocked! Car6 is unreachable! Controller, please let me talk directly with car6 ***")
print ("****************************************************************************************************")
sleep(6)
os.system('clear')
print ("***********************************************")
print ("*** controller says: Car6 is now reachable! ***")
print ("***********************************************")
os.system('ovs-ofctl mod-flows car2SW in_port=2,actions=1')
sleep(6)
os.system('clear')
cars[2].cmdPrint('ping -c5 10.0.0.7')
os.system('clear')
print ("***********************************")
print ("*** Car2: Requesting Content for car6! ***")
print ("***********************************")
sleep(1)
cars[2].RequestContent(net, 2)
print ("***********************************")
print ("*** Car2: Thank you Controller! ***")
print ("***********************************")
else:
print ("***********************************")
print ("******** V2I experiment **********")
print ("***********************************")
raw_input("PressEnter after T=28 ...")
print ("type>> py car4.RequestContent(net)")
print ("*** Running CLI")
CLI_wifi(net)
print ("*** Stopping network")
net.stop()
def topology():
"Create a network."
net = Mininet_wifi(controller=Controller,
accessPoint=UserAP,
link=wmediumd,
wmediumd_mode=interference)
info("*** Creating nodes\n")
net.addStation('sta1', position='15,20,0')
ap1 = net.addAccessPoint('ap1',
mac='00:00:00:00:00:01',
ssid="handover",
mode="g",
channel="1",
passwd='123456789a',
encrypt='wpa2',
position='10,30,0')
ap2 = net.addAccessPoint('ap2',
mac='00:00:00:00:00:02',
ssid="handover",
mode="g",
channel="6",
passwd='123456789a',
encrypt='wpa2',
position='60,30,0')
ap3 = net.addAccessPoint('ap3',
mac='00:00:00:00:00:03',
ssid="handover",
mode="g",
channel="1",
passwd='123456789a',
encrypt='wpa2',
position='120,100,0')
c1 = net.addController('c1', controller=Controller)
info("*** Configuring Propagation Model\n")
net.propagationModel(model="logDistance", exp=3.5)
info("*** Configuring wifi nodes\n")
net.configureWifiNodes()
info("*** Creating links\n")
net.addLink(ap1, ap2)
net.addLink(ap2, ap3)
info("*** Setting bgscan\n")
net.setBgscan(signal=-45, s_inverval=5, l_interval=10)
net.plotGraph(min_x=-100, min_y=-100, max_x=200, max_y=200)
info("*** Starting network\n")
net.build()
c1.start()
ap1.start([c1])
ap2.start([c1])
ap3.start([c1])
info("*** Running CLI\n")
CLI_wifi(net)
info("*** Stopping network\n")
net.stop()
