#!/usr/bin/perl
# Generate Graphs exported from Makegraphs to minimize system load an only generate the Graphs when displayed
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2005-2010  IPFire Team                                        #
#                                                                             #
# 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/>.       #
#                                                                             #
###############################################################################

package Graphs;

use strict;
use RRDs;

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

my $ERROR;

# Read the global settings files to get the current theme and after this load
# colors for this theme

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

if ( $mainsettings{'RRDLOG'} eq "" ){
	$mainsettings{'RRDLOG'}="/var/log/rrd";
	&General::writehash("${General::swroot}/main/settings", \%mainsettings);
}

# If the collection deamon is working and collecting lm_sensors data there will be
# some data source named after a common scheme, with the sensorssettingsfile
# the user is able to deactivate some of this parameters, in case not to show
# false collected values may be disable. The user has the ability to enter
# custom graph names in order to change temp0 to cpu or motherboard

my $count = 0;
my @sensorsgraphs = ();
my @sensorsdir = `ls -dA $mainsettings{'RRDLOG'}/collectd/localhost/sensors-*/ 2>/dev/null`;
foreach (@sensorsdir){
	chomp($_);chop($_);
	foreach (`ls $_/*`){
		chomp($_);
		push(@sensorsgraphs,$_);
		$_ =~ /\/(.*)sensors-(.*)\/(.*)\.rrd/;
		my $label = $2.$3;$label=~ s/-//g;
		$sensorsettings{'LABEL-'.$label}="$label";
		$sensorsettings{'LINE-'.$label}="checked";
	}
}

&General::readhash("${General::swroot}/sensors/settings", \%sensorsettings);

# Generate a nice box for selection of time range in graphs
# this will generate a nice iframe for the cgi every klick for
# the graph will be handled inside the iframe
# 0 is the cgi refering to
# 1 is the graph name
# 2 is the time range for the graph
# 3 if given is the height of the iframe default if nothing is given

sub makegraphbox {
	my $height = 285;
	my $width = 700;

	if ( $_[3] ne "" ){ $height = $_[3]; }

	print "<center>";
	print "<a href='".$_[0]."?".$_[1]."?hour' target='".$_[1]."box'><b>".$Lang::tr{'hour'}."</b></a>";
	print " - ";
	print "<a href='".$_[0]."?".$_[1]."?day' target='".$_[1]."box'><b>".$Lang::tr{'day'}."</b></a>";
	print " - ";
	print "<a href='".$_[0]."?".$_[1]."?week' target='".$_[1]."box'><b>".$Lang::tr{'week'}."</b></a>";
	print " - ";
	print "<a href='".$_[0]."?".$_[1]."?month' target='".$_[1]."box'><b>".$Lang::tr{'month'}."</b></a>";
	print " - ";
	print "<a href='".$_[0]."?".$_[1]."?year' target='".$_[1]."box'><b>".$Lang::tr{'year'}."</b></a>";
	print "<iframe src='".$_[0]."?".$_[1]."?".$_[2]."' width='".$width."' height='".$height."' scrolling='no' frameborder='no' marginheight='0' name='".$_[1]."box'></iframe>";
	print "</center>";
}

# Generate the CPU Graph for the current period of time for values given by
# collectd we are now able to handle any kind of cpucount

sub updatecpugraph {
	my $cpucount = `ls -dA $mainsettings{'RRDLOG'}/collectd/localhost/cpu-*/ 2>/dev/null | wc -l`;
	my $period    = $_[0];
	my @command = (
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-l 0",
		"-u 100",
		"-r",
		"-t ".$Lang::tr{'cpu usage per'}." ".$Lang::tr{$period."-graph"},
		"-v ".$Lang::tr{'percentage'},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"COMMENT:".sprintf("%-29s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j"
	);
	
	my $nice = "CDEF:nice=";
	my $interrupt = "CDEF:interrupt=";
	my $steal = "CDEF:steal=";
	my $user = "CDEF:user=";
	my $system = "CDEF:system=";
	my $idle = "CDEF:idle=";
	my $iowait = "CDEF:iowait=";
	my $irq = "CDEF:irq=";
	my $addstring = "";
	
	for(my $i = 0; $i < $cpucount; $i++) {
		push(@command,"DEF:iowait".$i."=".$mainsettings{'RRDLOG'}."/collectd/localhost/cpu-".$i."/cpu-wait.rrd:value:AVERAGE"
				,"DEF:nice".$i."=".$mainsettings{'RRDLOG'}."/collectd/localhost/cpu-".$i."/cpu-nice.rrd:value:AVERAGE"
				,"DEF:interrupt".$i."=".$mainsettings{'RRDLOG'}."/collectd/localhost/cpu-".$i."/cpu-interrupt.rrd:value:AVERAGE"
				,"DEF:steal".$i."=".$mainsettings{'RRDLOG'}."/collectd/localhost/cpu-".$i."/cpu-steal.rrd:value:AVERAGE"
				,"DEF:user".$i."=".$mainsettings{'RRDLOG'}."/collectd/localhost/cpu-".$i."/cpu-user.rrd:value:AVERAGE"
				,"DEF:system".$i."=".$mainsettings{'RRDLOG'}."/collectd/localhost/cpu-".$i."/cpu-system.rrd:value:AVERAGE"
				,"DEF:idle".$i."=".$mainsettings{'RRDLOG'}."/collectd/localhost/cpu-".$i."/cpu-idle.rrd:value:AVERAGE"
				,"DEF:irq".$i."=".$mainsettings{'RRDLOG'}."/collectd/localhost/cpu-".$i."/cpu-softirq.rrd:value:AVERAGE");

		$nice .= "nice".$i.",";
		$interrupt .= "interrupt".$i.",";
		$steal .= "steal".$i.",";
		$user .= "user".$i.",";
		$system .= "system".$i.",";
		$idle .= "idle".$i.",";
		$iowait .= "iowait".$i.",";
		$irq .= "irq".$i.",";
	}
	
	for(my $i = 2; $i < $cpucount; $i++) {
		$addstring .= "+,";
	}

	if ( $cpucount > 1){
		$addstring .= "+";
		push(@command,$nice.$addstring
			,$interrupt.$addstring
			,$steal.$addstring
			,$user.$addstring
			,$system.$addstring
			,$idle.$addstring
			,$iowait.$addstring
			,$irq.$addstring);
	}else{
		chop($nice),chop($interrupt),chop($steal),chop($user),chop($system),chop($idle),chop($iowait),chop($irq);
		push(@command,$nice,$interrupt,$steal,$user,$system,$idle,$iowait,$irq);
	}

	push(@command,"CDEF:total=user,system,idle,iowait,irq,nice,interrupt,steal,+,+,+,+,+,+,+"
			,"CDEF:userpct=100,user,total,/,*"
			,"CDEF:nicepct=100,nice,total,/,*"
			,"CDEF:interruptpct=100,interrupt,total,/,*"
			,"CDEF:stealpct=100,steal,total,/,*"
			,"CDEF:systempct=100,system,total,/,*"
			,"CDEF:idlepct=100,idle,total,/,*"
			,"CDEF:iowaitpct=100,iowait,total,/,*"
			,"CDEF:irqpct=100,irq,total,/,*"
			,"AREA:iowaitpct".$color{"color14"}.":".sprintf("%-25s",$Lang::tr{'cpu iowait usage'})
			,"GPRINT:iowaitpct:MAX:%3.2lf%%"
			,"GPRINT:iowaitpct:AVERAGE:%3.2lf%%"
			,"GPRINT:iowaitpct:MIN:%3.2lf%%"
			,"GPRINT:iowaitpct:LAST:%3.2lf%%\\j"
			,"STACK:irqpct".$color{"color23"}."A0:".sprintf("%-25s",$Lang::tr{'cpu irq usage'})
			,"GPRINT:irqpct:MAX:%3.2lf%%"
			,"GPRINT:irqpct:AVERAGE:%3.2lf%%"
			,"GPRINT:irqpct:MIN:%3.2lf%%"
			,"GPRINT:irqpct:LAST:%3.2lf%%\\j"
			,"STACK:nicepct".$color{"color16"}."A0:".sprintf("%-25s",$Lang::tr{'cpu nice usage'})
			,"GPRINT:nicepct:MAX:%3.2lf%%"
			,"GPRINT:nicepct:AVERAGE:%3.2lf%%"
			,"GPRINT:nicepct:MIN:%3.2lf%%"
			,"GPRINT:nicepct:LAST:%3.2lf%%\\j"
			,"STACK:interruptpct".$color{"color15"}."A0:".sprintf("%-25s",$Lang::tr{'cpu interrupt usage'})
			,"GPRINT:interruptpct:MAX:%3.2lf%%"
			,"GPRINT:interruptpct:AVERAGE:%3.2lf%%"
			,"GPRINT:interruptpct:MIN:%3.2lf%%"
			,"GPRINT:interruptpct:LAST:%3.2lf%%\\j"
			,"STACK:stealpct".$color{"color18"}."A0:".sprintf("%-25s",$Lang::tr{'cpu steal usage'})
			,"GPRINT:stealpct:MAX:%3.2lf%%"
			,"GPRINT:stealpct:AVERAGE:%3.2lf%%"
			,"GPRINT:stealpct:MIN:%3.2lf%%"
			,"GPRINT:stealpct:LAST:%3.2lf%%\\j"
			,"STACK:userpct".$color{"color11"}."A0:".sprintf("%-25s",$Lang::tr{'cpu user usage'})
			,"GPRINT:userpct:MAX:%3.2lf%%"
			,"GPRINT:userpct:AVERAGE:%3.2lf%%"
			,"GPRINT:userpct:MIN:%3.2lf%%"
			,"GPRINT:userpct:LAST:%3.2lf%%\\j"
			,"STACK:systempct".$color{"color13"}."A0:".sprintf("%-25s",$Lang::tr{'cpu system usage'})
			,"GPRINT:systempct:MAX:%3.2lf%%"
			,"GPRINT:systempct:AVERAGE:%3.2lf%%"
			,"GPRINT:systempct:MIN:%3.2lf%%"
			,"GPRINT:systempct:LAST:%3.2lf%%\\j"
			,"STACK:idlepct".$color{"color12"}."A0:".sprintf("%-25s",$Lang::tr{'cpu idle usage'})
			,"GPRINT:idlepct:MAX:%3.2lf%%"
			,"GPRINT:idlepct:AVERAGE:%3.2lf%%"
			,"GPRINT:idlepct:MIN:%3.2lf%%"
			,"GPRINT:idlepct:LAST:%3.2lf%%\\j");

	RRDs::graph (@command);
	$ERROR = RRDs::error;
	print "Error in RRD::graph for cpu: ".$ERROR."\n" if $ERROR;
}

# Generate the Load Graph for the current period of time for values given by collecd

sub updateloadgraph {
	my $period    = $_[0];
	RRDs::graph(
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-l 0",
		"-r",
		"-t Load Average ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
		"-v ".$Lang::tr{'processes'},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"DEF:load1=".$mainsettings{'RRDLOG'}."/collectd/localhost/load/load.rrd:shortterm:AVERAGE",
		"DEF:load5=".$mainsettings{'RRDLOG'}."/collectd/localhost/load/load.rrd:midterm:AVERAGE",
		"DEF:load15=".$mainsettings{'RRDLOG'}."/collectd/localhost/load/load.rrd:longterm:AVERAGE",
		"AREA:load1".$color{"color13"}."A0:1 ".$Lang::tr{'minute'}.":",
		"GPRINT:load1:LAST:%5.2lf",
		"AREA:load5".$color{"color18"}."A0:5 ".$Lang::tr{'minutes'}.":",
		"GPRINT:load5:LAST:%5.2lf",
		"AREA:load15".$color{"color14"}."A0:15 ".$Lang::tr{'minutes'}.":",
		"GPRINT:load15:LAST:%5.2lf\\j",
		"LINE1:load5".$color{"color13"},
		"LINE1:load1".$color{"color18"},
		);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for load: ".$ERROR."\n" if $ERROR;
}

# Generate the Memory Graph for the current period of time for values given by collecd

sub updatememorygraph {
	my $period    = $_[0];
	RRDs::graph(
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-l 0",
		"-u 100",
		"-r",
		"-t ".$Lang::tr{'memory usage per'}." ".$Lang::tr{$period."-graph"},
		"-v ".$Lang::tr{'percentage'},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"DEF:used=".$mainsettings{'RRDLOG'}."/collectd/localhost/memory/memory-used.rrd:value:AVERAGE",
		"DEF:free=".$mainsettings{'RRDLOG'}."/collectd/localhost/memory/memory-free.rrd:value:AVERAGE",
		"DEF:buffer=".$mainsettings{'RRDLOG'}."/collectd/localhost/memory/memory-buffered.rrd:value:AVERAGE",
		"DEF:cache=".$mainsettings{'RRDLOG'}."/collectd/localhost/memory/memory-cached.rrd:value:AVERAGE",
		"CDEF:total=used,free,cache,buffer,+,+,+",
		"CDEF:usedpct=used,total,/,100,*",
		"CDEF:bufferpct=buffer,total,/,100,*",
		"CDEF:cachepct=cache,total,/,100,*",
		"CDEF:freepct=free,total,/,100,*",
		"COMMENT:".sprintf("%-29s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j",
		"AREA:usedpct".$color{"color11"}."A0:".sprintf("%-25s",$Lang::tr{'used memory'}),
		"GPRINT:usedpct:MAX:%3.2lf%%",
		"GPRINT:usedpct:AVERAGE:%3.2lf%%",
		"GPRINT:usedpct:MIN:%3.2lf%%",
		"GPRINT:usedpct:LAST:%3.2lf%%\\j",
		"STACK:bufferpct".$color{"color23"}."A0:".sprintf("%-25s",$Lang::tr{'buffered memory'}),
		"GPRINT:bufferpct:MAX:%3.2lf%%",
		"GPRINT:bufferpct:AVERAGE:%3.2lf%%",
		"GPRINT:bufferpct:MIN:%3.2lf%%",
		"GPRINT:bufferpct:LAST:%3.2lf%%\\j",
		"STACK:cachepct".$color{"color14"}."A0:".sprintf("%-25s",$Lang::tr{'cached memory'}),
		"GPRINT:cachepct:MAX:%3.2lf%%",
		"GPRINT:cachepct:AVERAGE:%3.2lf%%",
		"GPRINT:cachepct:MIN:%3.2lf%%",
		"GPRINT:cachepct:LAST:%3.2lf%%\\j",
		"STACK:freepct".$color{"color12"}."A0:".sprintf("%-25s",$Lang::tr{'free memory'}),
		"GPRINT:freepct:MAX:%3.2lf%%",
		"GPRINT:freepct:AVERAGE:%3.2lf%%",
		"GPRINT:freepct:MIN:%3.2lf%%",
		"GPRINT:freepct:LAST:%3.2lf%%\\j",
		);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for memory: ".$ERROR."\n" if $ERROR;
}

# Generate the Swap Graph for the current period of time for values given by collecd

sub updateswapgraph {
	my $period    = $_[0];
	RRDs::graph(
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-l 0",
		"-u 100",
		"-r",
		"-t ".$Lang::tr{'swap usage per'}." ".$Lang::tr{$period."-graph"},
		"-v ".$Lang::tr{'percentage'},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"DEF:free=".$mainsettings{'RRDLOG'}."/collectd/localhost/swap/swap-free.rrd:value:AVERAGE",
		"DEF:used=".$mainsettings{'RRDLOG'}."/collectd/localhost/swap/swap-used.rrd:value:AVERAGE",
		"DEF:cached=".$mainsettings{'RRDLOG'}."/collectd/localhost/swap/swap-cached.rrd:value:AVERAGE",
		"CDEF:total=used,free,cached,+,+",
		"CDEF:usedpct=100,used,total,/,*",
		"CDEF:freepct=100,free,total,/,*",
		"CDEF:cachedpct=100,cached,total,/,*",
		"COMMENT:".sprintf("%-29s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j",
		"AREA:usedpct".$color{"color11"}."A0:".sprintf("%-25s",$Lang::tr{'used swap'}),
		"GPRINT:usedpct:MAX:%3.2lf%%",
		"GPRINT:usedpct:AVERAGE:%3.2lf%%",
		"GPRINT:usedpct:MIN:%3.2lf%%",
		"GPRINT:usedpct:LAST:%3.2lf%%\\j",
		"STACK:cachedpct".$color{"color13"}."A0:".sprintf("%-25s",$Lang::tr{'cached swap'}),
		"GPRINT:cachedpct:MAX:%3.2lf%%",
		"GPRINT:cachedpct:AVERAGE:%3.2lf%%",
		"GPRINT:cachedpct:MIN:%3.2lf%%",
		"GPRINT:cachedpct:LAST:%3.2lf%%\\j",
		"STACK:freepct".$color{"color12"}."A0:".sprintf("%-25s",$Lang::tr{'free swap'}),
		"GPRINT:freepct:MAX:%3.2lf%%",
		"GPRINT:freepct:AVERAGE:%3.2lf%%",
		"GPRINT:freepct:MIN:%3.2lf%%",
		"GPRINT:freepct:LAST:%3.2lf%%\\j",
		);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for memory: ".$ERROR."\n" if $ERROR;
}

# Generate the Process Cpu Graph for the current period of time for values given by collecd

sub updateprocessescpugraph {
	my @processesgraph = getprocesses();
	my $period    = $_[0];
	my $count="0";

	my @command = (
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-l 0",
		"-r",
		"-t ".$Lang::tr{'processes'}." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"}
	);

		foreach(@processesgraph){
			chomp($_);my @name=split(/\-/,$_);chop($name[1]);
			push(@command,"DEF:".$name[1]."user=".$_."ps_cputime.rrd:user:AVERAGE");
			push(@command,"DEF:".$name[1]."system=".$_."ps_cputime.rrd:syst:AVERAGE");
			push(@command,"CDEF:".$name[1]."=".$name[1]."user,".$name[1]."system,+");
		}

		push(@command,"COMMENT:".$Lang::tr{'caption'}."\\j");

		my $colorIndex = 0;
		foreach(@processesgraph){
			my $colorIndex = 10 + $count % 15;
			my $color="$color{\"color$colorIndex\"}";
			chomp($_);my @name=split(/\-/,$_);chop($name[1]);
			if ($count eq "0"){
				push(@command,"AREA:".$name[1].$color."A0:".$name[1]);
			}else{
				push(@command,"STACK:".$name[1].$color."A0:".$name[1]);
			}
			$count++;
		}

		RRDs::graph (@command);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for processes: ".$ERROR."\n" if $ERROR;
}

# Generate the Process Memory Graph for the current period of time for values given by collecd

sub updateprocessesmemorygraph {
	my @processesgraph = getprocesses();
	my $period    = $_[0];
	my $count="0";

	my @command = (
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-l 0",
		"-r",
		"-t ".$Lang::tr{'processes'}." ".$Lang::tr{'memory'}." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
		"-v ".$Lang::tr{'bytes'},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"}
	);

		foreach(@processesgraph){
			chomp($_);my @name=split(/\-/,$_);chop($name[1]);
			push(@command,"DEF:".$name[1]."=".$_."ps_rss.rrd:value:AVERAGE");
		}

		push(@command,"COMMENT:".$Lang::tr{'caption'}."\\j");

		my $colorIndex = 0;
		foreach(@processesgraph){
			chomp($_);my @name=split(/\-/,$_);chop($name[1]);
			my $colorIndex = 10 + $count % 15;
			my $color="$color{\"color$colorIndex\"}";
			if ($count eq "0"){
				push(@command,"AREA:".$name[1].$color."A0:".$name[1]);
			}else{
				push(@command,"STACK:".$name[1].$color."A0:".$name[1]);
			}
			$count++;
		}

		RRDs::graph (@command);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for processesmemory: ".$ERROR."\n" if $ERROR;
}

# Generate the Disk Graph for the current period of time for values given by collecd

sub updatediskgraph {
	my $disk    = $_[0];
	my $period    = $_[1];
	RRDs::graph(
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-r",
		"-t ".$disk." ".$Lang::tr{'disk access per'}." ".$Lang::tr{$period."-graph"},
		"-v ".$Lang::tr{'bytes per second'},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"DEF:read=".$mainsettings{'RRDLOG'}."/collectd/localhost/disk-$disk/disk_octets.rrd:read:AVERAGE",
		"DEF:write=".$mainsettings{'RRDLOG'}."/collectd/localhost/disk-$disk/disk_octets.rrd:write:AVERAGE",
		"CDEF:writen=write,-1,*",
		"DEF:standby=".$mainsettings{'RRDLOG'}."/hddshutdown-".$disk.".rrd:standby:AVERAGE",
		"CDEF:st=standby,INF,*",
		"CDEF:st1=standby,-INF,*",
		"COMMENT:".sprintf("%-25s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j",
		"AREA:st".$color{"color20"}."A0:",
		"AREA:st1".$color{"color20"}."A0:standby\\j",
		"AREA:read".$color{"color12"}."A0:".sprintf("%-25s",$Lang::tr{'read bytes'}),
		"GPRINT:read:MAX:%8.1lf %sBps",
		"GPRINT:read:AVERAGE:%8.1lf %sBps",
		"GPRINT:read:MIN:%8.1lf %sBps",
		"GPRINT:read:LAST:%8.1lf %sBps\\j",
		"AREA:writen".$color{"color13"}."A0:".sprintf("%-25s",$Lang::tr{'written bytes'}),
		"GPRINT:write:MAX:%8.1lf %sBps",
		"GPRINT:write:AVERAGE:%8.1lf %sBps",
		"GPRINT:write:MIN:%8.1lf %sBps",
		"GPRINT:write:LAST:%8.1lf %sBps\\j",
		);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for ".$disk.": ".$ERROR."\n" if $ERROR;
}

# Generate the Interface Graph for the current period of time for values given by collecd

sub updateifgraph {
	my $interface = $_[0];
	my $period    = $_[1];
	RRDs::graph(
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-r",
		"-t ".$Lang::tr{'traffic on'}." ".$interface." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
		"-v ".$Lang::tr{'bytes per second'},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"DEF:incoming=".$mainsettings{'RRDLOG'}."/collectd/localhost/interface/if_octets-".$interface.".rrd:rx:AVERAGE",
		"DEF:outgoing=".$mainsettings{'RRDLOG'}."/collectd/localhost/interface/if_octets-".$interface.".rrd:tx:AVERAGE",
		"CDEF:outgoingn=outgoing,-1,*",
		"COMMENT:".sprintf("%-20s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j",
		"AREA:incoming".$color{"color12"}."A0:".sprintf("%-20s",$Lang::tr{'incoming traffic in bytes per second'}),
		"GPRINT:incoming:MAX:%8.1lf %sBps",
		"GPRINT:incoming:AVERAGE:%8.1lf %sBps",
		"GPRINT:incoming:MIN:%8.1lf %sBps",
		"GPRINT:incoming:LAST:%8.1lf %sBps\\j",
		"AREA:outgoingn".$color{"color13"}."A0:".sprintf("%-20s",$Lang::tr{'outgoing traffic in bytes per second'}),
		"GPRINT:outgoing:MAX:%8.1lf %sBps",
		"GPRINT:outgoing:AVERAGE:%8.1lf %sBps",
		"GPRINT:outgoing:MIN:%8.1lf %sBps",
		"GPRINT:outgoing:LAST:%8.1lf %sBps\\j",
		);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for ".$interface.": ".$ERROR."\n" if $ERROR;
}

# Generate the Firewall Graph for the current period of time for values given by collecd

sub updatefwhitsgraph {
	my $period    = $_[0];
	RRDs::graph(
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-r",
		"-t ".$Lang::tr{'firewall hits per'}." ".$Lang::tr{$period."-graph"},
		"-v ".$Lang::tr{'bytes per second'},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"DEF:output=".$mainsettings{'RRDLOG'}."/collectd/localhost/iptables-filter-POLICYOUT/ipt_bytes-DROP_OUTPUT.rrd:value:AVERAGE",
		"DEF:input=".$mainsettings{'RRDLOG'}."/collectd/localhost/iptables-filter-POLICYIN/ipt_bytes-DROP_INPUT.rrd:value:AVERAGE",
		"DEF:forward=".$mainsettings{'RRDLOG'}."/collectd/localhost/iptables-filter-POLICYFWD/ipt_bytes-DROP_FORWARD.rrd:value:AVERAGE",
		"DEF:newnotsyn=".$mainsettings{'RRDLOG'}."/collectd/localhost/iptables-filter-NEWNOTSYN/ipt_bytes-DROP_NEWNOTSYN.rrd:value:AVERAGE",
		"DEF:portscan=".$mainsettings{'RRDLOG'}."/collectd/localhost/iptables-filter-PSCAN/ipt_bytes-DROP_PScan.rrd:value:AVERAGE",
		"COMMENT:".sprintf("%-26s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%14s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j",
		"AREA:output".$color{"color25"}."A0:".sprintf("%-25s",$Lang::tr{'firewallhits'}."-OUTPUT"),
		"GPRINT:output:MAX:%8.1lf %sBps",
		"GPRINT:output:AVERAGE:%8.1lf %sBps",
		"GPRINT:output:MIN:%8.1lf %sBps",
		"GPRINT:output:LAST:%8.1lf %sBps\\j",
		"STACK:forward".$color{"color23"}."A0:".sprintf("%-25s",$Lang::tr{'firewallhits'}."-FORWARD"),
		"GPRINT:forward:MAX:%8.1lf %sBps",
		"GPRINT:forward:AVERAGE:%8.1lf %sBps",
		"GPRINT:forward:MIN:%8.1lf %sBps",
		"GPRINT:forward:LAST:%8.1lf %sBps\\j",
		"STACK:input".$color{"color24"}."A0:".sprintf("%-25s",$Lang::tr{'firewallhits'}."-INPUT"),
		"GPRINT:input:MAX:%8.1lf %sBps",
		"GPRINT:input:AVERAGE:%8.1lf %sBps",
		"GPRINT:input:MIN:%8.1lf %sBps",
		"GPRINT:input:LAST:%8.1lf %sBps\\j",
		"STACK:newnotsyn".$color{"color14"}."A0:".sprintf("%-25s","NewNotSyn"),
		"GPRINT:newnotsyn:MAX:%8.1lf %sBps",
		"GPRINT:newnotsyn:MIN:%8.1lf %sBps",
		"GPRINT:newnotsyn:AVERAGE:%8.1lf %sBps",
		"GPRINT:newnotsyn:LAST:%8.1lf %sBps\\j",
		"STACK:portscan".$color{"color16"}."A0:".sprintf("%-25s",$Lang::tr{'portscans'}),
		"GPRINT:portscan:MAX:%8.1lf %sBps",
		"GPRINT:portscan:MIN:%8.1lf %sBps",
		"GPRINT:portscan:AVERAGE:%8.1lf %sBps",
		"GPRINT:portscan:LAST:%8.1lf %sBps\\j",
		);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for firewallhits: ".$ERROR."\n" if $ERROR;
}

# Generate the Line Quality Graph for the current period of time for values given by collecd

sub updatepinggraph {
	my $period    = $_[1];
	my $host    = $_[0];
	RRDs::graph(
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-l 0",
		"-r",
		"-t ".$Lang::tr{'linkq'}." ".$host." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
		"-v ms",
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"DEF:roundtrip=".$mainsettings{'RRDLOG'}."/collectd/localhost/ping/ping-".$host.".rrd:ping:AVERAGE",
		"COMMENT:".sprintf("%-20s",$Lang::tr{'caption'})."\\j",
		"CDEF:roundavg=roundtrip,PREV(roundtrip),+,2,/",
		"CDEF:r0=roundtrip,30,MIN",
		"CDEF:r1=roundtrip,70,MIN",
		"CDEF:r2=roundtrip,150,MIN",
		"CDEF:r3=roundtrip,300,MIN",
		"AREA:roundtrip".$color{"color25"}."A0:>300 ms",
		"AREA:r3".$color{"color18"}."A0:150-300 ms",
		"AREA:r2".$color{"color14"}."A0:70-150 ms",
		"AREA:r1".$color{"color17"}."A0:30-70 ms",
		"AREA:r0".$color{"color12"}."A0:<30 ms\\j",
		"COMMENT:$Lang::tr{'maximal'}",
		"COMMENT:$Lang::tr{'average'}",
		"COMMENT:$Lang::tr{'minimal'}","COMMENT:$Lang::tr{'current'}\\j",
		"LINE1:roundtrip#707070:",
		"GPRINT:roundtrip:MAX:%3.2lf ms",
		"GPRINT:roundtrip:AVERAGE:%3.2lf ms",
		"GPRINT:roundtrip:MIN:%3.2lf ms",
		"GPRINT:roundtrip:LAST:%3.2lf ms\\j",
		);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for link quality: ".$ERROR."\n" if $ERROR;
}

sub updatewirelessgraph {
	my $period    = $_[1];
	my $interface    = $_[0];
	RRDs::graph(
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-t Wireless ".$interface." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
		"-v dBm",
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"DEF:noise=".$mainsettings{'RRDLOG'}."/collectd/localhost/wireless-".$interface."/signal_noise.rrd:value:AVERAGE",
		"DEF:power=".$mainsettings{'RRDLOG'}."/collectd/localhost/wireless-".$interface."/signal_power.rrd:value:AVERAGE",
		"COMMENT:".sprintf("%-20s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j",
		"LINE1:noise".$color{"color11"}."A0:".sprintf("%-20s","Signal Noise Ratio"),
		"GPRINT:noise:MAX:%5.1lf %sdBm",
		"GPRINT:noise:AVERAGE:%5.1lf %sdBm",
		"GPRINT:noise:MIN:%5.1lf %sdBm",
		"GPRINT:noise:LAST:%5.1lf %sdBm\\j",
		"LINE1:power".$color{"color12"}."A0:".sprintf("%-20s","Signal Power Ratio"),
		"GPRINT:power:MAX:%5.1lf %sdBm",
		"GPRINT:power:AVERAGE:%5.1lf %sdBm",
		"GPRINT:power:MIN:%5.1lf %sdBm",
		"GPRINT:power:LAST:%5.1lf %sdBm\\j",
		);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for wireless: ".$ERROR."\n" if $ERROR;
}

# Generate the HDD Temp Graph for the current period of time for values given by collecd and lm_sensors

sub updatehddgraph {
	my $disk = $_[0];
	my $period = $_[1];
	RRDs::graph(
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-r",
		"-t ".$disk." ".$Lang::tr{'harddisk temperature'}." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
		"-v Celsius",
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"DEF:temperature=".$mainsettings{'RRDLOG'}."/hddtemp-$disk.rrd:temperature:AVERAGE",
		"DEF:standby=".$mainsettings{'RRDLOG'}."/hddshutdown-$disk.rrd:standby:AVERAGE",
		"CDEF:st=standby,INF,*",
		"AREA:st".$color{"color20"}."A0:standby",
		"LINE3:temperature".$color{"color11"}."A0:$Lang::tr{'hdd temperature in'} C\\j",
		"COMMENT:$Lang::tr{'maximal'}",
		"COMMENT:$Lang::tr{'average'}",
		"COMMENT:$Lang::tr{'minimal'}",
		"COMMENT:$Lang::tr{'current'}\\j",
		"GPRINT:temperature:MAX:%3.0lf Grad C",
		"GPRINT:temperature:AVERAGE:%3.0lf Grad C",
		"GPRINT:temperature:MIN:%3.0lf Grad C",
		"GPRINT:temperature:LAST:%3.0lf Grad C\\j",
		);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for hdd-".$disk.": ".$ERROR."\n" if $ERROR;
}

# Generate the Temp Graph for the current period of time for values given by collecd and lm_sensors

sub updatehwtempgraph {
	my $period = $_[0];

	my @command = (
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-r",
		"-t ".$Lang::tr{'mbmon temp'}." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"COMMENT:".sprintf("%-29s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j"
	);

		foreach(@sensorsgraphs){
			chomp($_);
			if ( $_ =~ /temperature/ ) {
				$_ =~ /\/(.*)sensors-(.*)\/(.*)\.rrd/;
				my $label = $2.$3;$label=~ s/-//g;
				if ( $sensorsettings{'LINE-'.$label} eq "off" ){next;}
				push(@command,"DEF:".$sensorsettings{'LABEL-'.$label}."=".$_.":value:AVERAGE");
			}
		}

		foreach(@sensorsgraphs){
			chomp($_);
			if ( $_ =~ /temperature/ ){
				$_ =~ /\/(.*)sensors-(.*)\/(.*)\.rrd/;
				my $label = $2.$3;$label=~ s/-//g;
				if ( $sensorsettings{'LINE-'.$label} eq "off" ){next;}
				push(@command,"LINE3:".$sensorsettings{'LABEL-'.$label}.random_hex_color(6)."A0:".sprintf("%-25s",$sensorsettings{'LABEL-'.$label}),"GPRINT:".$sensorsettings{'LABEL-'.$label}.":MAX:%3.2lf C","GPRINT:".$sensorsettings{'LABEL-'.$label}.":AVERAGE:%3.2lf C","GPRINT:".$sensorsettings{'LABEL-'.$label}.":MIN:%3.2lf C","GPRINT:".$sensorsettings{'LABEL-'.$label}.":LAST:%3.2lf C\\j",);
			}
		}

		RRDs::graph (@command);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for HDD Temp: ".$ERROR."\n" if $ERROR;
}

# Generate the Fan Graph for the current period of time for values given by collecd and lm_sensors

sub updatehwfangraph {
	my $period = $_[0];

	my @command = (
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-r",
		"-t ".$Lang::tr{'mbmon fan'}." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"COMMENT:".sprintf("%-29s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j"
	);

		foreach(@sensorsgraphs){
			chomp($_);
			if ( $_ =~ /fanspeed/ ) {
				$_ =~ /\/(.*)sensors-(.*)\/(.*)\.rrd/;
				my $label = $2.$3;$label=~ s/-//g;
				if ( $sensorsettings{'LINE-'.$label} eq "off" ){next;}
				push(@command,"DEF:".$sensorsettings{'LABEL-'.$label}."=".$_.":value:AVERAGE");
			}
		}

		foreach(@sensorsgraphs){
			chomp($_);
			if ( $_ =~ /fanspeed/ ){
				$_ =~ /\/(.*)sensors-(.*)\/(.*)\.rrd/;
				my $label = $2.$3;$label=~ s/-//g;
				if ( $sensorsettings{'LINE-'.$label} eq "off" ){next;}
				push(@command,"LINE3:".$sensorsettings{'LABEL-'.$label}.random_hex_color(6)."A0:".sprintf("%-25s",$sensorsettings{'LABEL-'.$label}),"GPRINT:".$sensorsettings{'LABEL-'.$label}.":MAX:%3.2lf RPM","GPRINT:".$sensorsettings{'LABEL-'.$label}.":AVERAGE:%3.2lf RPM","GPRINT:".$sensorsettings{'LABEL-'.$label}.":MIN:%3.2lf RPM","GPRINT:".$sensorsettings{'LABEL-'.$label}.":LAST:%3.2lf RPM\\j",);
			}
		}

		RRDs::graph (@command);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for Fan Speed: ".$ERROR."\n" if $ERROR;
}

# Generate the Voltage Graph for the current period of time for values given by collecd and lm_sensors

sub updatehwvoltgraph {
	my $period = $_[0];

	my @command = (
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-r",
		"-t ".$Lang::tr{'mbmon volt'}." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"COMMENT:".sprintf("%-29s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j"
	);

		foreach(@sensorsgraphs){
			chomp($_);
			if ( $_ =~ /voltage/ ) {
				$_ =~ /\/(.*)sensors-(.*)\/(.*)\.rrd/;
				my $label = $2.$3;$label=~ s/-//g;
				if ( $sensorsettings{'LINE-'.$label} eq "off" ){next;}
				push(@command,"DEF:".$sensorsettings{'LABEL-'.$label}."=".$_.":value:AVERAGE");
			}
		}

		foreach(@sensorsgraphs){
			chomp($_);
			if ( $_ =~ /voltage/ ){
				$_ =~ /\/(.*)sensors-(.*)\/(.*)\.rrd/;
				my $label = $2.$3;$label=~ s/-//g;
				if ( $sensorsettings{'LINE-'.$label} eq "off" ){next;}
				push(@command,"LINE3:".$sensorsettings{'LABEL-'.$label}.random_hex_color(6)."A0:".sprintf("%-25s",$sensorsettings{'LABEL-'.$label}),"GPRINT:".$sensorsettings{'LABEL-'.$label}.":MAX:%3.2lf V","GPRINT:".$sensorsettings{'LABEL-'.$label}.":AVERAGE:%3.2lf V","GPRINT:".$sensorsettings{'LABEL-'.$label}.":MIN:%3.2lf V","GPRINT:".$sensorsettings{'LABEL-'.$label}.":LAST:%3.2lf V\\j",);
			}
		}

		RRDs::graph (@command);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for Voltage: ".$ERROR."\n" if $ERROR;
}


# Generate the QoS Graph for the current period of time

sub updateqosgraph {

	my $period = $_[1];
	my %qossettings = ();
	&General::readhash("${General::swroot}/qos/settings", \%qossettings);

	my $classentry = "";
	my @classes = ();
	my @classline = ();
	my $classfile = "/var/ipfire/qos/classes";

	$qossettings{'DEV'} = $_[0];
	if ( $qossettings{'DEV'} eq $qossettings{'RED_DEV'} ) {
		$qossettings{'CLASSPRFX'} = '1';
	} else {
		$qossettings{'CLASSPRFX'} = '2';
	}

	my $ERROR="";
	my $count="1";
	my $color="#000000";

	my @command = (
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-r",
		"-t ".$Lang::tr{'Utilization on'}." (".$qossettings{'DEV'}.") ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
		"-v ".$Lang::tr{'bytes per second'},
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"COMMENT:".sprintf("%-28s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j"
	);

		open( FILE, "< $classfile" ) or die "Unable to read $classfile";
		@classes = <FILE>;
		close FILE;

		my $colorIndex = 0;
		foreach $classentry (sort @classes){
			@classline = split( /\;/, $classentry );
			if ( $classline[0] eq $qossettings{'DEV'} ){
				my $colorIndex = 10 + $count % 15;
				$color="$color{\"color$colorIndex\"}";
				push(@command, "DEF:$classline[1]=$mainsettings{'RRDLOG'}/class_$qossettings{'CLASSPRFX'}-$classline[1]_$qossettings{'DEV'}.rrd:bytes:AVERAGE");

				if ($count eq "1") {
					push(@command, "AREA:$classline[1]$color:$Lang::tr{'Class'} $classline[1] -".sprintf("%15s",$classline[8]));
				} else {
					push(@command, "STACK:$classline[1]$color:$Lang::tr{'Class'} $classline[1] -".sprintf("%15s",$classline[8]));
				}

				push(@command, "GPRINT:$classline[1]:MAX:%8.1lf %sBps"
						, "GPRINT:$classline[1]:AVERAGE:%8.1lf %sBps"
						, "GPRINT:$classline[1]:MIN:%8.1lf %sBps"
						, "GPRINT:$classline[1]:LAST:%8.1lf %sBps\\j");
				$count++;
			}
		}
		RRDs::graph (@command);
		$ERROR = RRDs::error;
		print "Error in RRD::graph for qos device ".$qossettings{'DEV'}.": ".$ERROR."\n" if $ERROR;
}

# Generate the CPU Frequency Graph for the current period of time for values given by collectd an lm_sensors

sub updatecpufreqgraph {
	my $cpucount = `ls -dA $mainsettings{'RRDLOG'}/collectd/localhost/cpu-*/ 2>/dev/null | wc -l`;
	my $period    = $_[0];
	my @command = (
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-r",
		"-t ".$Lang::tr{'cpu frequency per'}." ".$Lang::tr{$period."-graph"},
		"-v MHz",
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"COMMENT:".sprintf("%-10s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j"
	);

	for(my $i = 0; $i < $cpucount; $i++) {
		my $j=$i+1;
		push(@command,"DEF:cpu".$i."_=".$mainsettings{'RRDLOG'}."/collectd/localhost/cpufreq/cpufreq-".$i.".rrd:value:AVERAGE"
				,"CDEF:cpu".$i."=cpu".$i."_,1000000,/"
				,"LINE1:cpu".$i.$color{"color1$j"}."A0:cpu ".$i." "
				,"GPRINT:cpu".$i.":MAX:%3.0lf Mhz"
				,"GPRINT:cpu".$i.":AVERAGE:%3.0lf Mhz"
				,"GPRINT:cpu".$i.":MIN:%3.0lf Mhz"
				,"GPRINT:cpu".$i.":LAST:%3.0lf Mhz\\j");
	}

	RRDs::graph (@command);
	$ERROR = RRDs::error;
	print "Error in RRD::graph for cpu freq: ".$ERROR."\n" if $ERROR;
}

# Generate the Thermal Zone Temp CPU Graph

sub updatethermaltempgraph {
	my $thermalcount = `ls -dA $mainsettings{'RRDLOG'}/collectd/localhost/thermal-thermal_zone* 2>/dev/null | wc -l`;
	my $period    = $_[0];
	my @command = (
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 125",
		"-r",
		"-t "."ACPI Thermal-Zone Temperature"." - ".$Lang::tr{$period."-graph"},
		"-v Grad Celsius",
		"--color=SHADEA".$color{"color19"},
		"--color=SHADEB".$color{"color19"},
		"--color=BACK".$color{"color21"},
		"COMMENT:".sprintf("%-10s",$Lang::tr{'caption'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
		"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j"
	);

	for(my $i = 0; $i < $thermalcount; $i++) {
		my $j=$i+1;
		push(@command,"DEF:temp".$i."_=".$mainsettings{'RRDLOG'}."/collectd/localhost/thermal-thermal_zone".$i."/temperature-temperature.rrd:value:AVERAGE"
				,"CDEF:temp".$i."=temp".$i."_,1,/"
				,"LINE3:temp".$i.$color{"color1$j"}."A0:Temp ".$i." "
				,"GPRINT:temp".$i.":MAX:%3.0lf Grad C"
				,"GPRINT:temp".$i.":AVERAGE:%3.0lf Grad C"
				,"GPRINT:temp".$i.":MIN:%3.0lf Grad C"
				,"GPRINT:temp".$i.":LAST:%3.0lf Grad C\\j");
	}

	RRDs::graph (@command);
	$ERROR = RRDs::error;
	print "Error in RRD::graph for thermal temp: ".$ERROR."\n" if $ERROR;
}


# Generate a random color, used by Qos Graph to be independent from the amount of values

sub random_hex_color {
	my $size = shift;
	$size = 6 if $size !~ /^3|6$/;
	my @hex = ( 0 .. 9, 'a' .. 'f' );
	my @color;
	push @color, @hex[rand(@hex)] for 1 .. $size;
	return join('', '#', @color);
}

sub getprocesses {
	my @processesgraph = `ls -dA $mainsettings{'RRDLOG'}/collectd/localhost/processes-*/ 2>/dev/null`;
	return @processesgraph;
}

sub updateentropygraph {
	my $period    = $_[0];
	my @command = (
		"-",
		"--start",
		"-1".$period,
		"-aPNG",
		"-i",
		"-z",
		"-W www.ipfire.org",
		"--alt-y-grid",
		"-w 600",
		"-h 225",
		"-r",
		"--lower-limit","0",
		"-t $Lang::tr{'entropy'}",
		"-v $Lang::tr{'bit'}",
		"DEF:entropy=$mainsettings{'RRDLOG'}/collectd/localhost/entropy/entropy.rrd:entropy:AVERAGE",
		"CDEF:entropytrend=entropy,43200,TREND",
		"LINE3:entropy#ff0000:" . sprintf("%-15s", $Lang::tr{'entropy'}),
		"VDEF:entrmin=entropy,MINIMUM",
		"VDEF:entrmax=entropy,MAXIMUM",
		"VDEF:entravg=entropy,AVERAGE",
		"GPRINT:entrmax:" . sprintf("%12s\\: %%5.0lf", $Lang::tr{'maximum'}),
		"GPRINT:entrmin:" . sprintf("%12s\\: %%5.0lf", $Lang::tr{'minimum'}),
		"GPRINT:entravg:" . sprintf("%12s\\: %%5.0lf", $Lang::tr{'average'}) . "\\n",
		"LINE3:entropytrend#000000",
	);

	RRDs::graph (@command);
	$ERROR = RRDs::error;

	print "Error in RRD::graph for entropy: ".$ERROR."\n" if $ERROR;
}
