➜  demos git:(master) ✗ sudo python ./handover_line.py
*** Creating nodes
*** Configuring wifi nodes
*** Associating and Creating links
*** Starting network
*** Configuring nodes
*** Running CLI
*** Starting CLI:
mininet-wifi> iperf sta1 h1
*** Iperf: testing TCP bandwidth between sta1 and h1 
***
 
 Results: ['9.39 Mbits/sec', '9.99 Mbits/sec']
mininet-wifi> iperf sta1 h1
*** Iperf: testing TCP bandwidth between sta1 and h1 
.*** Results: ['8.05 Mbits/sec', '8.34 Mbits/sec']
mininet-wifi>

handover_line.py

#coding=utf-8
#!/usr/bin/python


from mininet.node import Controller
from mininet.log import
 
 setLogLevel, info
from mininet.wifi.node import OVSKernelAP
from mininet.wifi.cli import CLI_wifi
from mininet.wifi.net import Mininet_wifi


def topology():
    "Create a network."
    net = Mininet_wifi(controller=Controller, accessPoint=OVSKernelAP)

    info("*** Creating nodes\n")
    h1   = net.addHost('h1'
 
, mac='00:00:00:00:00:01', ip='10.0.0.1/8')
    sta1 = net.addStation('sta1', mac='00:00:00:00:00:02', ip='10.0.0.2/8',
                          range=20)
    ap1 = net.addAccessPoint('ap1', ssid='ssid-ap1', mode='g', channel='1',
                             position='30,50,0', range=30)
    ap2 = net.addAccessPoint('ap2', ssid='ssid-ap2', mode='g', channel='1',
                             position='90,50,0', range=30)
    ap3 = net.addAccessPoint('ap3', ssid='ssid-ap3', mode='g', channel='1',
                             position='130,50,0', range=30)
    #TODO 外部控制器
    c1 = net.addController('c1', controller=Controller)

    net.propagationModel(model="logDistance", exp=5)

    info("*** Configuring wifi nodes\n")
    net.configureWifiNodes()

    info("*** Associating and Creating links\n")
    net.addLink(ap1, h1)
    net.addLink(ap1, ap2)
    net.addLink(ap2, ap3)

    net.plotGraph(max_x=160, max_y=160)

    net.startMobility(time=0, AC='ssf'),   #或者llf,  這裡可以寫自己定義的演算法
    # 只有sta1在動
    net.mobility(sta1, 'start', time=20, position='1,50,0')
    net.mobility(sta1, 'stop', time=79, position='159,50,0')
    net.stopMobility(time=80)

    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()


if __name__ == '__main__':
    setLogLevel('info')
    topology()