/Shell/Bash/Tcp traffic analysis linux command line mb per second

Tcp traffic analysis linux command line mb per second

#!/usr/bin/perl
# traffic analysis script using tcpdump
use strict;
use warnings;
use Time::HiRes;

my $reporting_interval = 10.0; # seconds
my $bytes_this_interval = 0;
my $start_time = [Time::HiRes::gettimeofday()];

STDOUT->autoflush(1);

while (<>) {
  if (/ length (\d+):/) {
    $bytes_this_interval += $1;
    my $elapsed_seconds = Time::HiRes::tv_interval($start_time);
    if ($elapsed_seconds > $reporting_interval) {
       my $bps = $bytes_this_interval / $elapsed_seconds;
       printf "%02d:%02d:%02d %10.2f Bps\n", (localtime())[2,1,0],$bps;
       $start_time = [Time::HiRes::gettimeofday()];
       $bytes_this_interval = 0;
    }
  }
}

Source: superuser.com

Similar codes

41 votes256 views6 answers
Tar gz linux command
Shell/Bash
1 vote257 views1 answer
Ubuntu generate ssl certificate
Shell/Bash
4 votes251 views3 answers
Git log find by user
Shell/Bash
4 votes255 views3 answers
Install sass loader
Shell/Bash
0 vote281 views1 answer
How to download Citrix Workspace for Ubuntu
Shell/Bash
1 vote242 views1 answer
Bash back to last folder
Shell/Bash
1 vote257 views1 answer
Ubuntu download yasm
Shell/Bash
31 votes272 views4 answers
How to remove file changes in git
Shell/Bash
0 vote237 views1 answer
Control pc brightness with shell script mac
Shell/Bash
36 votes242 views8 answers
How to install jupyter
Shell/Bash