optical2.py
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#!/usr/bin/env python
''' file: custom/optical.py '''
from mininet.topo import Topo
from mininet.net import Mininet
from mininet.cli import CLI
from mininet.log import setLogLevel, info
from mininet.link import Intf, Link
from mininet.node import RemoteController
class NullIntf( Intf ):
"A dummy interface with a blank name that doesn't do any configuration"
def __init__( self, name, **params ):
self.name = ''
class NullLink( Link ):
"A dummy link that doesn't touch either interface"
def makeIntfPair( cls, intf1, intf2, *args, **kwargs ):
pass
def delete( self ):
pass
class OpticalTopo(Topo):
def addIntf( self, switch, intfName ):
"Add intf intfName to switch"
self.addLink( switch, switch, cls=NullLink,
intfName1=intfName, cls2=NullIntf )
def __init__(self):
# Initialize topology
Topo.__init__(self)
# Add hosts and switches
h1 = self.addHost('h1')
h2 = self.addHost('h2')
h3 = self.addHost('h3')
h4 = self.addHost('h4')
h5 = self.addHost('h5')
h6 = self.addHost('h6')
s1 = self.addSwitch('s1', dpid="0000ffffffff0001")
s2 = self.addSwitch('s2', dpid="0000ffffffff0002")
s3 = self.addSwitch('s3', dpid="0000ffffffff0003")
s4 = self.addSwitch('s4', dpid="0000ffffffff0004")
s5 = self.addSwitch('s5', dpid="0000ffffffff0005")
s6 = self.addSwitch('s6', dpid="0000ffffffff0006")
# Add links from hosts to OVS
self.addLink(s1, h1)
self.addLink(s2, h2)
self.addLink(s3, h3)
self.addLink(s4, h4)
self.addLink(s5, h5)
self.addLink(s6, h6)
# add links from ovs to linc-oe
# sorry about the syntax :(
self.addIntf(s1,'tap29')
self.addIntf(s2,'tap30')
self.addIntf(s3,'tap31')
self.addIntf(s4,'tap32')
self.addIntf(s5,'tap33')
self.addIntf(s6,'tap34')
# if you use, sudo mn --custom custom/optical.py, then register the topo:
topos = {'optical': ( lambda: OpticalTopo() )}
def run():
c = RemoteController('c','127.0.0.1',6633)
net = Mininet( topo=OpticalTopo(),controller=None,autoSetMacs=True)
net.addController(c)
net.start()
#installStaticFlows( net )
CLI( net )
net.stop()
# if the script is run directly (sudo custom/optical.py):
if __name__ == '__main__':
setLogLevel('info')
run()