def packet_in_callback(self, dpid, inport, reason, len, bufid, packet):
"""Packet-in handler"""
if not packet.parsed:
log.debug('Ignoring incomplete packet')
else:
print 'Packet-in no router', dpid, '--Fonte:', mac_to_str(packet.src), '--Destino:', mac_to_str(packet.dst)
print 'In-Port:', inport
if self.im == None:
self.im = InstallationManager()
self.im.nox = self
#self.im.samples_number = 10
self.im.collect_begin_installs()
self.install_routes()
self.im.collect_end_installs()
self.im.start()
return CONTINUE
'''
Created on Oct 20, 2011
@author: caioviel
'''
from noxapp_exp.InstallationManager import *
if __name__ == '__main__':
im = InstallationManager()
print im.get_all_paths()
class pytutorial(Component):
def install_routes(self):
#print '\n\n\n\n\n'
print '************ INSTALLING ROUTES ****************'
installs = self.im.installs_to_do
for install in installs:
#print '\tInstalling: ', install
attrs = {}
attrs[core.IN_PORT] = install.inputPort
actions = []
if install.needRewrite == True :
actions.append( [openflow.OFPAT_SET_DL_SRC, "ca:fe:ca:fe:ca:fe"] )
actions.append( [openflow.OFPAT_SET_NW_SRC, "10.0.2.254"] )
actions.append ([openflow.OFPAT_SET_DL_DST, str(install.dst_mac) ] )
actions.append ([openflow.OFPAT_SET_NW_DST, str(install.dst_ip) ] )
for port in install.outputPorts:
actions.append( [openflow.OFPAT_OUTPUT, [0, port] ] )
self.install_datapath_flow(install.routerId, attrs, 3600, 3600, actions, None, openflow.OFP_DEFAULT_PRIORITY, install.inputPort, None)
print '********** REMOVING OBSOLUTE ROUTES ***********'
removes = self.im.installs_to_remove
for install in removes:
#print 'Removing: ', install
attrs = {}
attrs[core.IN_PORT] = install.inputPort
self.delete_datapath_flow(install.routerId, attrs)
print '********** FINISHED INSTALLATION ***********'
def __init__(self, ctxt):
Component.__init__(self, ctxt)
# Use this table to store MAC addresses in the format of your choice;
# Functions already imported, including mac_to_str, and mac_to_int,
# should prove useful for converting the byte array provided by NOX
# for packet MAC destination fields.
# This table is initialized to empty when your module starts up.
# self.mac_to_port = {} # key: MAC addr; value: port
self.im = None
def learn_and_forward(self, dpid, inport, packet, buf, bufid):
"""Learn MAC src port mapping, then flood or send unicast."""
pass
def packet_in_callback(self, dpid, inport, reason, len, bufid, packet):
"""Packet-in handler"""
if not packet.parsed:
log.debug('Ignoring incomplete packet')
else:
print 'Packet-in no router', dpid, '--Fonte:', mac_to_str(packet.src), '--Destino:', mac_to_str(packet.dst)
print 'In-Port:', inport
if self.im == None:
self.im = InstallationManager()
self.im.nox = self
#self.im.samples_number = 10
self.im.collect_begin_installs()
self.install_routes()
self.im.collect_end_installs()
self.im.start()
return CONTINUE
def install(self):
self.register_for_packet_in(self.packet_in_callback)
def getInterface(self):
return str(pytutorial)
