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#!/usr/bin/python
import sys
from mininet.net import Mininet
from mininet.cli import CLI
from mininet.log import setLogLevel
from mininet.node import RemoteController
from mininet.link import TCLink
from attmpls import AttMplsTopo
setLogLevel( 'info' )
def pingloop( net ):
setLogLevel( 'error' )
try:
while True:
net.ping()
finally:
setLogLevel( 'info' )
def run(controllers=[ '127.0.0.1' ]):
Mininet.pingloop = pingloop
net = Mininet( topo=AttMplsTopo(), link=TCLink, build=False, autoSetMacs=True )
ctrl_count = 0
for controllerIP in controllers:
net.addController( 'c%d' % ctrl_count, RemoteController, ip=controllerIP )
ctrl_count = ctrl_count + 1
net.build()
net.start()
CLI( net )
net.stop()
if __name__ == '__main__':
if len( sys.argv ) > 1:
controllers = sys.argv[ 1: ]
else:
print 'Usage: att-onos.py <c0 IP> <c1 IP> ...'
exit( 1 )
run( controllers )
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