| #!/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') |
| |
| self.addIntf(s1,'tap35') |
| self.addIntf(s2,'tap36') |
| self.addIntf(s3,'tap37') |
| self.addIntf(s4,'tap38') |
| self.addIntf(s5,'tap39') |
| self.addIntf(s6,'tap40') |
| |
| # if you use, sudo mn --custom custom/optical.py, then register the topo: |
| topos = {'optical': ( lambda: OpticalTopo() )} |
| |
| |
| def run(): |
| c = RemoteController('c','192.168.56.101',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() |