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# 1123, Tue 30 Jan 2018 (NZDT)
#
# test-sctp.py: Test SCTP handling in plt
#
# Copyright (C) 2018, Nevil Brownlee, U Auckland | WAND
from plt_testing import *
import plt
tcp_fn = "sctp-demo.pcap" # Data file name
t = plt.trace("pcapfile:"+tcp_fn)
t.start() # Start t
n = 0
for pkt in t: # Get next packet
n += 1 # Count it
sctp = pkt.sctp
if not sctp:
continue
s = "%4d: src_port %u, dst_port %d, vf tag %08x, checksum %08x" % (
n, sctp.src_port, sctp.dst_port, sctp.verification_tag, sctp.checksum)
test_println(s, get_tag())
cho = sctp.chunks
for cx,ch in enumerate(cho): ###sctp.chunks):
s = "%4d chunk %d: type %d, flags %02x length %d bytes OK %s " % (
n, cx, ch.type, ch.flags, ch.length, ch.is_ok)
test_println(s, get_tag())
s = " "*9 + "bytes:"
for x,c in enumerate(ch.bytes):
if x == 16:
break
s += " %02x" % c
test_println(s, get_tag())
test_println("", get_tag())
#if n == 5:
# break
t.close()
test_println("%d packets examined\n" % n, get_tag())
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