/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

1 vote155 views1 answer
Ssh-add could not open a connection to your authentication agent centos
Shell/Bash
0 vote139 views1 answer
Lancer gradle en bash
Shell/Bash
0 vote144 views1 answer
What terminal command screen record on mac
Shell/Bash
1 vote149 views1 answer
2019 VS MS build broken after install
Shell/Bash
0 vote138 views1 answer
Linux check ipconfig
Shell/Bash
0 vote141 views1 answer
Initialize SQL server from command line
Shell/Bash
64 votes136 views3 answers
Undo git
Shell/Bash
1 vote136 views1 answer
Crontab do action inside folder
Shell/Bash
0 vote154 views1 answer
Install jupyter notebbok in pip
Shell/Bash
28 votes135 views6 answers
Create virtual environment anaconda
Shell/Bash