SimpleOptTopo.py

#!/usr/bin/python

from opticalUtils import MininetOE, OpticalSwitch, OpticalLink
from mininet.topo import Topo
from mininet.log import setLogLevel
from mininet.node import RemoteController
from mininet.cli import CLI

"""
Note that this file uses some of the libraries provided by ONOS. The library takes care of seting up the LINC (optical switches).
"""

class SmallOptTopo(Topo):
    def build(self):
        o1ann = {"latitude": 37.6, "longitude": -122.3, "optical.regens": 0}
        o1 = self.addSwitch('OPT-001', dpid='0000ffffffffff01', annotations=o1ann, cls=OpticalSwitch)

        o2ann = {"latitude": 37.6, "longitude": -122.3, "optical.regens": 0}
        o2 = self.addSwitch('OPT-002', dpid='0000ffffffffff02', annotations=o2ann, cls=OpticalSwitch)

        pkt1 = self.addSwitch('PK1-R10', dpid='0000000000000001', annotations={"latitude": 37.6, "longitude": -122.3})
        pkt2 = self.addSwitch('PK2-R10', dpid='0000000000000002', annotations={"latitude": 33.9, "longitude": -118.4})

        # Connecting two optical switches
        self.addLink(o1, o2, port1=10, port2=20,
                     annotations={"optical.waves": 80, "optical.type": "WDM", "optical.kms": 1000, "durable": "true"},
                     cls=OpticalLink)

        # Connecting pkt2 to O2 	
        self.addLink(pkt2, o2, port1=22, port2=21,
                     annotations={"bandwidth": 100000,
                                  "optical.type": "cross-connect",
                                  "durable": "true"},
                     cls=OpticalLink)

        # Connecting pkt1 to O1 	
        self.addLink(pkt1, o1, port1=12, port2=11,
                     annotations={"bandwidth": 100000,
                                  "optical.type": "cross-connect",
                                  "durable": "true"},
                     cls=OpticalLink)

        # Adding hosts
        h1 = self.addHost('h1')
        h2 = self.addHost('h2')

        self.addLink(pkt1, h1, port1=1)
        self.addLink(pkt2, h2, port1=1)


if __name__ == '__main__':
    import sys

    if len(sys.argv) >= 2:
        controllers = sys.argv[1:]
    else:
        print 'Usage: ./opticalUtils.py (<Controller IP>)+'
        print 'Using localhost...\n'
        controllers = ['127.0.1.1']

    setLogLevel('info')
    net = MininetOE(topo=SmallOptTopo(), controller=None,
                    autoSetMacs=True)
    net.addControllers(controllers)
    net.start()
    CLI(net)
    net.stop()