def __init__(self, sock, msg):
"""Initialize
@param sock reference to socket
@param msg message
"""
ofcomm.message.__init__(self, sock, msg)
##Packet in header
self.pktin = None
##Packet included parsed by dpkt
self.dpkt = None
##Binary packet
self.pkt = None
##Exact match for match
self.match = None
if (self.header.type == pyof.OFPT_PACKET_IN):
self.pktin = pyof.ofp_packet_in()
self.pkt = self.pktin.unpack(msg)
output.vdbg("Packet in\n"+self.pktin.show("\t"),
self.__class__.__name__)
(self.match, self.dpkt) = ofutil.get_ofp_match(self.pktin.in_port,
self.pkt)
output.vdbg("Packet has match\n"+self.match.show("\t"),
self.__class__.__name__)
output.vdbg(str(`self.dpkt`),
self.__class__.__name__)
opts, args = getopt.getopt(sys.argv[1:], "h",
["help"])
except getopt.GetoptError:
print "Option error!"
usage()
sys.exit(2)
#Parse options
for opt,arg in opts:
if (opt in ("-h","--help")):
usage()
sys.exit(0)
else:
print "Unhandled option :"+opt
sys.exit(2)
if (len(args) < 1):
print "Missing filename"
usage()
sys.exit(2)
output.set_mode("DBG")
pc = pcap.pcap(args[0])
for ts,pkt in pc:
dpktpkt = dpkt.ethernet.Ethernet(pkt)
output.dbg(str(`dpktpkt`))
ofdata = dpktpkt["data"]["data"]["data"]
(ofm, dpktp) = ofutil.get_ofp_match(0, ofdata[18:])
output.dbg(str(`dpktp`))
output.dbg("OFP MATCH\n"+ofm.show())
