Jeremy Songster | 5665f1b | 2016-06-20 14:38:22 -0700 | [diff] [blame^] | 1 | #!/usr/bin/env python |
| 2 | |
| 3 | from mininet.net import Mininet |
| 4 | from mininet.topo import Topo |
| 5 | from mininet.node import Host, RemoteController |
| 6 | from mininet.cli import CLI |
| 7 | from mininet.log import setLogLevel |
| 8 | |
| 9 | from opticalUtils import LINCSwitch, LINCLink |
| 10 | |
| 11 | class OpticalTopo( Topo ): |
| 12 | """ |
| 13 | A simple optical topology of three LINC nodes(OE*), two OVS switches(ps*), and two hosts: |
| 14 | |
| 15 | OE3 |
| 16 | /\ |
| 17 | h1-ps1-OE1--OE2-ps2-h2 |
| 18 | |
| 19 | """ |
| 20 | def build( self ): |
| 21 | |
| 22 | # set up packet layer - OVS + hosts |
| 23 | s1 = self.addSwitch( 'ps1' ) |
| 24 | s2 = self.addSwitch( 'ps2' ) |
| 25 | h1 = self.addHost( 'h1' ) |
| 26 | h2 = self.addHost( 'h2' ) |
| 27 | self.addLink( s1, h1 ) |
| 28 | self.addLink( s2, h2 ) |
| 29 | |
| 30 | # set up ROADMs, add them to oel[] |
| 31 | oel = [] |
| 32 | an = { "durable": "true" } |
| 33 | for i in range (1,4): |
| 34 | oean = { "optical.regens": 0 } |
| 35 | oel.append( self.addSwitch('OE%s' % i, dpid='0000ffffffffff0%s' % i, annotations=oean, cls=LINCSwitch) ) |
| 36 | |
| 37 | # ROADM port numbers are built as: OE1 <-> OE2 = 1200 |
| 38 | # leaving port number up to 100 open for use by Och port |
| 39 | self.addLink( oel[0], oel[1], port1=1200, port2=2100, annotations=an, cls=LINCLink ) |
| 40 | self.addLink( oel[1], oel[2], port1=2300, port2=3200, annotations=an, cls=LINCLink ) |
| 41 | self.addLink( oel[2], oel[0], port1=3100, port2=1300, annotations=an, cls=LINCLink ) |
| 42 | |
| 43 | # cross-connects between OVSes and LINCs |
| 44 | self.addLink( s1, oel[0], port1=2, port2=1, annotations=an, cls=LINCLink ) |
| 45 | self.addLink( s2, oel[1], port1=2, port2=1, annotations=an, cls=LINCLink ) |
| 46 | |
| 47 | |
| 48 | def setup( ctls ): |
| 49 | net = Mininet( topo=OpticalTopo(), controller=None ) |
| 50 | i = 1 |
| 51 | for ctl in ctls: |
| 52 | net.addController( RemoteController( 'c%d' % i, ip=ctl ) ) |
| 53 | i+=1 |
| 54 | |
| 55 | net.start() |
| 56 | LINCSwitch.bootOE( net ) |
| 57 | CLI( net ) |
| 58 | net.stop() |
| 59 | LINCSwitch.shutdownOE() |
| 60 | |
| 61 | |
| 62 | if __name__ == "__main__" : |
| 63 | import sys |
| 64 | if len( sys.argv ) >= 2 : |
| 65 | setLogLevel( 'info' ) |
| 66 | ctls = sys.argv[ 1: ] |
| 67 | setup( ctls ) |
| 68 | else: |
| 69 | print('./ectopo.py [IP1] [IP2]...\n') |