#!/usr/bin/perl
###############################################################################
# #
# IPFire.org - A linux based firewall #
# Copyright (C) 2007 Michael Tremer & Christian Schmidt #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see . #
# #
###############################################################################
my $data_last = $ENV{'QUERY_STRING'};
my $rxb_last = 0;
my $txb_last = 0;
my (@fields, $field, $name, $value);
@fields = split(/&/, $data_last);
foreach $field (@fields) {
($name, $value) = split(/=/, $field);
$value =~ tr/+/ /;
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
if ("$name" eq "rxb_last") {
$rxb_last = $value;
} elsif ("$name" eq "txb_last") {
$txb_last = $value;
}
}
my $interface = `cat /var/ipfire/red/iface 2>/dev/null`;
my @data_now = `ip -s link show $interface 2>/dev/null`;
my $lastline;
my $rxb_now = 0;
my $txb_now = 0;
foreach (@data_now) {
if ( $lastline =~ /RX/ ) {
@fields = split(/ /, $_);
$rxb_now = $fields[4];
} elsif ( $lastline =~ /TX/ ) {
@fields = split(/ /, $_);
$txb_now = $fields[4];
}
$lastline = $_;
}
my ($rx_kbs, $tx_kbs);
my $rxb_diff = $rxb_now - $rxb_last;
my $txb_diff = $txb_now - $txb_last;
if(( $rxb_diff == $rxb_now ) && ( $txb_diff == $txb_now ))
{
$rx_kbs = "0";
$tx_kbs = "0";
}
else
{
$rx_kbs = $rxb_diff / 1024;
$rx_kbs = $rx_kbs / 3.2;
$rx_kbs = int($rx_kbs);
$tx_kbs = $txb_diff / 1024;
$tx_kbs = $tx_kbs / 3.2;
$tx_kbs = int($tx_kbs);
}
print "pragma: no-cache\n";
print "Content-type: text/xml\n\n";
print "\n";
print <
$tx_kbs kb/s
$rx_kbs kb/s
$rxb_now
$txb_now
END
;