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#!/usr/bin/perl -Tw
####################################################################
# linux_stats.pl 1.0 Mike Machado #
# mike@innercite.com #
# 2000-07-19 #
# #
# Script to read traffic stats off linux 2.2 and greater systems #
# #
####################################################################
use strict;
#### Options ####
my $uptimeprog = '/usr/bin/uptime'; # Set to program to give system uptime
my $hostnameprog = '/bin/hostname'; # Set to program to give system hostname
my $defaultinterface = 'eth0'; # Set to default interface
my $defaultstatfile = '/proc/net/dev'; # Set to traffic stats file location
##### Nothing below here should have to be changed #####
if (@ARGV && $ARGV[0] eq '-h') {
print "Usage: linux_stats.pl [interface] [stats file]\n";
print "\tIf left blank 'eth0' and '/proc/net/dev' are used\n";
print "\tInterface of 'ALL' will total all interface traffic, excluding lo\n";
exit;
}
my $interface = shift || $defaultinterface;
my $statfile = shift || $defaultstatfile;
# Clear path and get uptime
delete $ENV{PATH};
delete $ENV{BASH_ENV};
my $uptime = `$uptimeprog`;
chomp($uptime);
my $hostname = `$hostnameprog`;
chomp($hostname);
my ($in, $out, $found);
open(STATS, $statfile) || die "Cannot open $statfile: $!\n";
while (<STATS>) {
my $line = $_;
chomp($line);
if (uc($interface) eq 'ALL') {
if ($line =~ /^\s+(.*):\s*(\d+)\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+(\d+)\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+$/) {
next if $1 eq 'lo';
$in += $2;
$out += $3;
$found++;
}
} else {
if ($line =~ /^\s+$interface:\s*(\d+)\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+(\d+)\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+$/) {
$in = $1;
$out = $2;
$found = 1;
last;
}
}
}
close(STATS);
if (!$found) {
print "0\n0\n$uptime\n$hostname: Unknown Interface: $interface\n";
} else {
print "$in\n$out\n$uptime\n$hostname: Interface: $interface";
if (uc($interface) eq 'ALL') {
print " (counted $found interface";
if ($found > 1) {
print "s";
}
print ")";
}
print "\n";
}
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