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#!/usr/bin/env python
# test-icmp6.py: count types of icmp6 packets
# Copyright (C) 2013, Nevil Brownlee, U Auckland | CAIDA | Wand
from plt_testing import *
from array import *
icmp_info = {} # Empty dictionary
out_uri = 'pcapfile:icmp6-sample.pcap'
of = plt.OutputTrace(out_uri)
of.start_output()
n = 0
t = get_rlt_example_file('icmp6-ua.pcap')
# 1: 28535 2: 20 3: 89094 4: 4413 128: 46447 129: 36085 134: 1382 135: 148720 136: 16188
#t = get_rlt_example_file('icmp6.pcap')
# 1: 371 3: 32 4: 12 128: 37 129: 36 134: 5 135: 468 136: 39
for pkt in t:
n += 1
icmp6 = pkt.icmp6
if not icmp6:
continue
it = icmp6.type
if it in icmp_info:
icmp_info[it] += 1
else:
icmp_info[it] = 1
if icmp_info[it] <= 4:
of.write_packet(pkt)
t.close()
of.close_output()
print "%d packets examined\n" % (n)
print "icmp6 types = ",
for type in sorted(icmp_info):
print "%d: %d " % (type, icmp_info[type]),
print
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