mininet/Example.py at master · Wmt3/mininet

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from mininet.net import Mininet

from mininet.topo import Topo

from mininet.node import OVSKernelSwitch

from mininet.cli import CLI

from mininet.node import Host

from mininet.log import setLogLevel, info

import socket

import time

class SimpleTopology(Topo):

def build(self):

h1 = self.addHost('h1', cls=Host, defaultRoute=None)

h2 = self.addHost('h2', cls=Host, defaultRoute=None)

h3 = self.addHost('h3', cls=Host, defaultRoute=None)

s1 = self.addSwitch( 's1', cls=OVSKernelSwitch, failMode='standalone')

self.addLink(h1, s1)

self.addLink(h2, s1)

self.addLink(h3, s1)

def main():

topo = SimpleTopology()

net = Mininet( topo=topo, autoSetMacs=True, build=False, ipBase="10.0.0.0/24")

# net.build()

net.start()

h1 = net.getNodeByName('h1')

h2 = net.getNodeByName('h2')

h3 = net.getNodeByName('h3')

h1.setIP(intf='h1-eth0', ip='10.0.0.1/24')

h2.setIP(intf='h2-eth0', ip='10.0.0.2/24')

h3.setIP(intf='h3-eth0', ip='10.0.0.3/24')

result = h1.cmd('ping -c 1', '10.0.0.2')

# Measure the latency from the 'ping' command output

lines = result.split('\n')

print(lines[-2])

CLI(net)

net.stop()

if __name__ == '__main__':

setLogLevel('info')

main()