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#!/usr/bin/env python
# icmp.py: Demonstrate UDP header decodes
# Copyright (C) 2015, Nevil Brownlee, U Auckland | WAND
from plt_testing import *
from array import *
#icmp_types = {} # Empty Dictionary
icmp_array = array('i', [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0])
out_uri = 'pcapfile:icmp-sample-out.pcap'
of = plt.output_trace(out_uri)
of.start_output()
t = get_example_trace('icmp-sample.pcap')
n = 0
for pkt in t:
n += 1
icmp = pkt.icmp
if not icmp:
continue
it = icmp.type
icmp_array[it] += 1
if icmp_array[it] <= 4:
of.write_packet(pkt)
t.close(); of.close_output()
test_println("%d packets examined\n" % (n), get_tag())
test_println(str(icmp_array), get_tag())
for j in range(0, 12):
test_println("%2d: %6d" % (j, icmp_array[j]), get_tag())
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