bw.tcl
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上传日期:2015-12-11
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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