def launch():
"Try to clean anything using 6633/tcp before starting the controller"
try:
import os
os.system("sudo fuser -k 6633/tcp")
except:
pass
"Log and colors"
import pox.log.color
pox.log.color.launch()
import pox.log
pox.log.launch(format="[@@@bold@@@level%(name)-22s@@@reset] " +
"@@@bold%(message)s@@@normal")
"Full packets"
import pox.misc.full_payload as fp
fp.launch()
"Component to discover links/topology"
import pox.openflow.discovery
pox.openflow.discovery.launch(eat_early_packets=True)
"Import and start a spanning tree component"
import pox.openflow.spanning_tree as spt
spt.launch()
"Import and start a standard forwarding component"
import pox.forwarding.l2_learning as forwarding
forwarding.launch()
"Start the Forwarding"
core.registerNew(Forwarding)
def launch(objective=None, preinstall="{}"):
discovery.launch()
spanning_tree.launch(no_flood=True, hold_down=True)
statistics.launch()
topology.launch()
multicommodity.launch(objective=objective, preinstall=preinstall)
core.registerNew(Controller)
def start_spanning_tree():
global yet_to_do
if yet_to_do:
print "Searching for forwarding loops with spanning tree..."
#pox.openflow.discovery
discov.launch()
#pox.openflow.spanning_tree --no-flood --hold-down
spanning_tree.launch()
yet_to_do = False
def launch(filename='results'):
discovery.launch()
spanning_tree.launch(no_flood=True, hold_down=True)
topology.launch()
core.registerNew(Controller, filename=filename)
def launch():
pox.openflow.discovery.launch()
sp.launch()
