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#!/usr/bin/tclsh
#
# Copyright (C) 2001 by USC/ISI
# All rights reserved.
#
# Redistribution and use in source and binary forms are permitted
# provided that the above copyright notice and this paragraph are
# duplicated in all such forms and that any documentation, advertising
# materials, and other materials related to such distribution and use
# acknowledge that the software was developed by the University of
# Southern California, Information Sciences Institute. The name of the
# University may not be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# An tcl script that extracts timestamp and size of each packet
# from tcpdump trace, used by SAMAN ModelGen
#
# This work is supported by DARPA through SAMAN Project
# (http://www.isi.edu/saman/), administered by the Space and Naval
# Warfare System Center San Diego under Contract No. N66001-00-C-8066
#
if { $argc != 1} {
puts "usage: bw.tcl <tcpdump file in ASCII format> "
exit
} else {
set arg [split $argv " " ]
set tfile [lindex $arg 0]
}
set fi [open $tfile r ]
set fo [open $tfile.bw w ]
while {[gets $fi line] >= 0} {
set startTime [lindex $line 0]
set seqno [lindex $line 5]
if { $seqno !="ack"} {
set s [split $seqno ":()"]
set size [lindex $s 2]
set size [expr $size + 40]
puts $fo "$startTime $size"
} else {
puts $fo "$startTime 40"
}
}
close $fo
close $fi
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