""" Converts byte string to integer. Use Big-endian byte order."""

try:

return sum([ord(b) << (8 * i) for i, b in enumerate(byte[::-1])])

except:

packet = pkt.ethernet(data)

packet_tcp = packet.find('tcp')

if not packet_tcp: return

if packet_tcp.SYN and packet_tcp.ACK: return

if packet_tcp.SYN is True:

for option in packet_tcp.options:

if isinstance(option, pkt.TCP.mptcp_opt):

name_option = type(option).__name__ #,vars(option)

if name_option == 'mp_capable_opt':

#changed to log.info()

log.info("MP_CAPABLE\n")

if name_option == 'mp_join_opt':

hash_key = beUnpack(option.rtoken)

Hash_table = dict()

lista = list()

path = nx.single_source_shortest_path(G,0)

lista.append([1,2,3])

topologia = str(lista)

#Hash_table[hash_key] = topologia # Append token and topology

#FIXME: Associate the hash in the constructor

resultado = Hash_table.get(hash_key)

#keeped with print, due log.info errors

print "MP_JOIN", resultado

if resultado is None:

#Hash_table[hash_key] = topologia

log.info("Matrix is empty. Populating...")

#...Gives the shortest-path in the topology

path = nx.single_source_shortest_path(G,0)

#Add pruned topology and associate it with the token

Hash_table[hash_key] = topologia

else:

try:

print "There's a token"

NewTopology = Hash_table.get(hash_key)

#.. Gives the shortest-path in the topology

path = nx.single_source_shortest_path(G,0)

#Add pruned topology and associate it with the token

Hash_table[hash_key] = NewTopology

except:

#TODO: TEST IT!

print "There's no more shortest-paths"

# OF rules for dropping

data = open(filename, "r").read()

p = pxparse.PCapParser(callback=Multiflow)

p.feed(data)