flow.pl
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上传日期:2015-12-11
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- #!/usr/bin/perl -w
- #
- # 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 perl script that computes flow statistics such as size, duration and
- # arrival time, 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
- #
- sub usage {
- print STDERR <<END;
- usage: $0 [-w FilenameExtention]
- Options:
- -w string specify the filename extention
- END
- exit 1;
- }
- BEGIN {
- $dblibdir = "./";
- push(@INC, $dblibdir);
- }
- use DbGetopt;
- require "dblib.pl";
- my(@orig_argv) = @ARGV;
- &usage if ($#ARGV < 0);
- my($prog) = &progname;
- my($dbopts) = new DbGetopt("w:?", @ARGV);
- my($ch);
- while ($dbopts->getopt) {
- $ch = $dbopts->opt;
- if ($ch eq 'w') {
- $fext = $dbopts->optarg;
- } else {
- &usage;
- };
- };
- $fsize=join(".",$fext,"size");
- $fdur=join(".",$fext,"dur");
- $fstart=join(".",$fext,"start");
- $flog=join(".",$fext,"log");
- open(FSIZE,"> $fsize") || die("cannot open $fsizen");
- open(FDUR,"> $fdur") || die("cannot open $fdurn");
- open(FSTART,"> $fstart") || die("cannot open $fstartn");
- open(FLOG,"> $flog") || die("cannot open $flogn");
- $oldsrc="";
- $olddst="";
- $oldsize=0;
- $totalsize=0;
- $totaldur=0;
- $oldstart=0;
- $flowstart=0;
- while (<>) {
- ($src,$dst,$start,$size) = split(/[n ]/,$_);
- if (($oldsrc ne $src) || ($olddst ne $dst)) {
- if (($oldsrc ne "") && ($olddst ne "") && ($cnt gt 1)) {
- print FSIZE "$oldsrc $olddst $totalsizen";
- # print FSIZE "$totalsizen";
- $totaldur=$oldstart - $flowstart;
- print FDUR "$oldsrc $olddst $totaldurn";
- # print FDUR "$totaldurn";
- $totalsize=$size;
- }
- $cnt=1;
- # print FSTART "$start $src $dst n";
- print FSTART "$startn";
- $flowstart=$start;
- } else {
- $gap=$start - $oldstart;
- if ($gap ge 60) {
- print FLOG "$oldsrc $olddst $oldstartn";
- print FLOG "$src $dst $start $gapn";
- }
- $totalsize=$totalsize+$size;
- $cnt=$cnt+1;
- }
- $oldsrc=$src;
- $olddst=$dst;
- $oldstart=$start;
- }
- close(FSIZE);
- close(FDUR);
- close(FSTART);