#!/usr/bin/python
from scapy.all import *
import libcmdusr
pc = PcapReader('big2.pcap')
before = 0
after = 0
n = 0
s = ''
while True:
pkt = pc.read_packet()
if pkt is None:
break
payload = str(pkt.payload)
if len(s) + len(payload) < 1024 * 888:
s += payload
else:
r = libcmdusr.lz77(s)
before += len(s)
after += r
s = ''
n += 1
if n % 1000 == 0:
print n, before, after
#!/usr/bin/python
import libcmdusr
s = open('lz77.c').read()
print 'before', len(s)
print libcmdusr.lz77(s)