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multi-c-approach_ping.py
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multi-c-approach_ping.py
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#!/usr/bin/python
import time
import os
from mininet.log import setLogLevel, info
from mininet.node import RemoteController
from mn_wifi.cli import CLI_wifi
from mn_wifi.net import Mininet_wifi
from mn_wifi.link import wmediumd
from mininet.term import makeTerm, cleanUpScreens
from mn_wifi.wmediumdConnector import interference
class InbandController( RemoteController ):
def checkListening( self ):
"Overridden to do nothing."
return
def topology():
os.system('service network-manager stop')
"Create a network."
net = Mininet_wifi(controller=InbandController,
link=wmediumd,
wmediumd_mode=interference
)
ip_c0 = '10.0.0.101'
ip_c1 = '10.0.0.102'
ip_c2 = '10.0.0.103'
ip_c3 = '10.0.0.104'
info("*** Creating nodes\n")
cars = []
car1 = net.addStation('car1', mac='02:00:00:00:00:01',
position='130,180,0') #, active_scan=1)
car2 = net.addStation('car2', mac='02:00:00:00:00:02',
position='230,220,0') #, active_scan=1)
car3 = net.addStation('car3', mac='02:00:00:00:00:03',
position='400,200,0') #, active_scan=1)
car4 = net.addStation('car4', mac='02:00:00:00:00:04',
position='420,150,0') #, active_scan=1)
car5 = net.addStation('car5', mac='02:00:00:00:00:05',
position='370,150,0') #, active_scan=1)
car6 = net.addStation('car6', mac='02:00:00:00:00:05',
position='370,250,0') #, active_scan=1)
cars.append(car1)
cars.append(car2)
cars.append(car3)
cars.append(car4)
cars.append(car5)
cars.append(car6)
enb1 = net.addAccessPoint('enb1', mac='00:00:00:00:00:01', ssid="handover",
mode="g", channel="1", datapath='user',
passwd='123456789a', encrypt='wpa2', ieee80211r='yes',
mobility_domain='a1b2', dpid='1',
position='150,200,0', inband=True)
enb2 = net.addAccessPoint('enb2', mac='00:00:00:00:00:02', ssid="handover",
mode="g", channel="1", datapath='user',
passwd='123456789a', encrypt='wpa2', ieee80211r='yes',
mobility_domain='a1b2', dpid='2',
position='250,200,0', color='r', inband=True)
enb3 = net.addAccessPoint('enb3', mac='00:00:00:00:00:03', ssid="handover",
mode="g", channel="1", datapath='user',
passwd='123456789a', encrypt='wpa2', ieee80211r='yes',
mobility_domain='a1b2', dpid='3',
position='320,200,0', inband=True)
backbone1 = net.addSwitch('backbone1', mac='00:00:00:00:00:04', dpid='4',
datapath='user', inband=True)
server = net.addHost('server', ip='10.0.0.100/8')
h1 = net.addHost('h1', ip=ip_c0)
h2 = net.addHost('h2', ip=ip_c1)
h3 = net.addHost('h3', ip=ip_c2)
h4 = net.addHost('h4', ip=ip_c3)
c0 = net.addController('c0', controller=InbandController,
port=6690, ip=ip_c0)
c1 = net.addController('c1', controller=InbandController,
port=6691, ip=ip_c1)
c2 = net.addController('c2', controller=InbandController,
port=6692, ip=ip_c2)
c3 = net.addController('c3', controller=InbandController,
port=6693, ip=ip_c3)
net.setPropagationModel(model="logDistance", exp=3.4)
info("*** Configuring wifi nodes\n")
net.configureWifiNodes()
#c0.plot(position='50,80,0')
#c1.plot(position='110,80,0')
#c2.plot(position='130,80,0')
#backbone1.plot(position='110,30,0')
#server1.plot(position='110,10,0')
info("*** Associating Stations\n")
net.addLink(backbone1, enb1)
net.addLink(backbone1, enb2)
net.addLink(backbone1, enb3, delay='5ms')
net.addLink(backbone1, server)
net.addLink(h1, enb1)
net.addLink(h2, enb2)
net.addLink(h3, enb3)
net.addLink(h4, backbone1)
net.plotGraph(max_x=500, max_y=500)
info("*** Starting network\n")
net.build()
enb1.start([c0])
enb2.start([c1])
enb3.start([c2])
backbone1.start([c3])
makeTerm(h1, cmd="bash -c 'cd ryu && ./run.sh h1;'")
makeTerm(h2, cmd="bash -c 'cd ryu && ./run.sh h2;'")
makeTerm(h3, cmd="bash -c 'cd ryu && ./run.sh h3;'")
makeTerm(h4, cmd="bash -c 'cd ryu && ./run.sh h4;'")
time.sleep(3)
enb1.cmd('sysctl net.ipv4.ip_forward=1')
enb2.cmd('sysctl net.ipv4.ip_forward=1')
enb3.cmd('sysctl net.ipv4.ip_forward=1')
backbone1.cmd('sysctl net.ipv4.ip_forward=1')
enb1.cmd('ifconfig enb1-eth3 10.0.0.201')
enb2.cmd('ifconfig enb2-eth3 10.0.0.202')
enb3.cmd('ifconfig enb3-eth3 10.0.0.203')
backbone1.cmd('ifconfig backbone1-eth5 10.0.0.204')
enb1.cmd('route add 10.0.0.101 dev enb1-eth3')
enb2.cmd('route add 10.0.0.102 dev enb2-eth3')
enb3.cmd('route add 10.0.0.103 dev enb3-eth3')
backbone1.cmd('route add 10.0.0.104 dev backbone1-eth5')
cars[0].cmd('iw dev %s-wlan0 interface '
'add %s-mon0 type monitor'
% (cars[0].name, cars[0].name))
cars[0].cmd('ifconfig %s-mon0 up' % cars[0].name)
enb1.cmd('ovs-ofctl add-flow "enb1" in_port=1,udp,tp_src=8000,actions=controller')
enb2.cmd('ovs-ofctl add-flow "enb2" in_port=1,udp,tp_src=8000,actions=controller')
enb3.cmd('ovs-ofctl add-flow "enb3" in_port=1,udp,tp_src=8000,actions=controller')
backbone1.cmd('ovs-ofctl add-flow "backbone1" in_port=1,actions=output:4')
backbone1.cmd('ovs-ofctl add-flow "backbone1" in_port=2,actions=output:4')
backbone1.cmd('ovs-ofctl add-flow "backbone1" in_port=3,actions=output:4')
makeTerm(cars[0], cmd="bash -c 'ping 10.0.0.100 -c200 > ping_slicing.txt;'")
cars[0].cmd('./%s.py &' % cars[0].name)
currentTime = time.time()
i = 60
j = 0
while j<3:
if (time.time() - currentTime) >= i:
currentTime = time.time()
if j == 0:
cars[0].setPosition('270,180,0')
else:
cars[0].setPosition('340,180,0')
j+=1
#if j == 2 and (time.time() - currentTime) == 1:
# cars[0].cmd('wpa_cli -i car1-wlan0 scan')
# force association due to better rssi
#if j == 2 and (time.time() - currentTime) == 5:
# cars[0].cmd('wpa_cli -i car1-wlan0 scan_results')
# cars[0].cmd('wpa_cli -i car1-wlan0 roam 00:00:00:00:00:03')
info("*** Running CLI\n")
CLI_wifi(net)
os.system('pkill -f \"xterm -title\"')
os.system('pkill ryu-manager')
os.system('service network-manager start')
info("*** Stopping network\n")
net.stop()
if __name__ == '__main__':
setLogLevel('info')
topology()