#!/usr/bin/perl
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2014  Alexander Marx                                          #
#                                                                             #
# 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 <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

use strict;
use URI::Escape;
# enable only the following on debugging purpose
#use warnings;
#use CGI::Carp 'fatalsToBrowser';

require '/var/ipfire/general-functions.pl';
require "${General::swroot}/lang.pl";
require "${General::swroot}/header.pl";
require "${General::swroot}/graphs.pl";

my %color = ();
my %mainsettings = ();
&General::readhash("${General::swroot}/main/settings", \%mainsettings);
&General::readhash("/srv/web/ipfire/html/themes/ipfire/include/colors.txt", \%color);

my @vpns=();

&Header::showhttpheaders();
&Header::openpage($Lang::tr{'vpn statistic rw'}, 1, '');
&Header::openbigbox('100%', 'left');

my @vpngraphs = `find /var/log/rrd/collectd/localhost/openvpn-*/ -not  -path *openvpn-UNDEF*  -not -path *openvpn-*n2n* -name *.rrd 2>/dev/null|sort`;
foreach (@vpngraphs){
	if($_ =~ /(.*)\/openvpn-(.*)\/if_octets_derive.rrd/){
		push(@vpns,$2);
	}
}
if(@vpns){
	foreach (@vpns) {
		&Header::openbox('100%', 'center', "$_ $Lang::tr{'graph'}");
		&Graphs::makegraphbox("netovpnrw.cgi",$_, "day");
		&Header::closebox();
	}
}else{
	print "<center>".$Lang::tr{'no data'}."</center>";
}
my $output = '';

&Header::closebigbox();
&Header::closepage();