]> git.ipfire.org Git - people/pmueller/ipfire-2.x.git/blobdiff - config/cfgroot/graphs.pl
core156: Ship more RRD graph stuff
[people/pmueller/ipfire-2.x.git] / config / cfgroot / graphs.pl
index 81b6fa4e7451da736ba535e2f590e06a167ecab9..beddff03284a150fe153add87b41433693bf8f91 100644 (file)
@@ -29,8 +29,38 @@ require '/var/ipfire/general-functions.pl';
 require "${General::swroot}/lang.pl";
 require "${General::swroot}/header.pl";
 
+# Graph image size in pixel
+our %image_size = ('width' => 910, 'height' => 300);
+
+# List of all available time ranges
+our @time_ranges = ("hour", "day", "week", "month", "year");
+
 my $ERROR;
 
+my @GRAPH_ARGS = (
+       # Output format
+       "--imgformat", "PNG",
+
+       # No border
+       "--border", "0",
+
+       # For a more 'organic' look
+       "--slope-mode",
+
+       # HxW define the size of the output image
+       "--full-size-mode",
+
+       # Watermark
+       "-W www.ipfire.org",
+
+       # Default size
+       "-w $image_size{'width'}",
+       "-h $image_size{'height'}",
+
+       # Use alternative grid
+       "--alt-y-grid",
+);
+
 # Read the global settings files to get the current theme and after this load
 # colors for this theme
 
@@ -77,11 +107,6 @@ foreach (@sensorsdir){
 # 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>".$Lang::tr{'hour'}."</b></a>";
        print " - ";
@@ -92,8 +117,8 @@ sub makegraphbox {
        print "<a href='".$_[0]."?".$_[1]."?month' target='".$_[1]."box'><b>".$Lang::tr{'month'}."</b></a>";
        print " - ";
        print "<a href='".$_[0]."?".$_[1]."?year' target='".$_[1]."box'><b>".$Lang::tr{'year'}."</b></a>";
-       print "</center>";
-       print "<iframe src='".$_[0]."?".$_[1]."?".$_[2]."' width='".$width."' height='".$height."' scrolling='no' frameborder='no' marginheight='0' name='".$_[1]."box'></iframe>";
+       print "<br></center>";
+       print "<iframe class='graph' src='".$_[0]."?".$_[1]."?".$_[2]."' scrolling='no' frameborder='no' marginheight='0' name='".$_[1]."box'></iframe>";
 }
 
 # Generate the CPU Graph for the current period of time for values given by
@@ -103,16 +128,10 @@ sub updatecpugraph {
        my $cpucount = `ls -dA $mainsettings{'RRDLOG'}/collectd/localhost/cpu-*/ 2>/dev/null | wc -l`;
        my $period    = $_[0];
        my @command = (
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$period,
-               "-aPNG",
-               "-i",
-               "-z",
-               "-W www.ipfire.org",
-               "--alt-y-grid",
-               "-w 600",
-               "-h 125",
                "-l 0",
                "-u 100",
                "-r",
@@ -159,7 +178,7 @@ sub updatecpugraph {
        }
        
        for(my $i = 2; $i < $cpucount; $i++) {
-               $addstring .= "+,";
+               $addstring .= "ADDNAN,";
        }
 
        if ( $cpucount > 1){
@@ -177,7 +196,7 @@ sub updatecpugraph {
                push(@command,$nice,$interrupt,$steal,$user,$system,$idle,$iowait,$irq);
        }
 
-       push(@command,"CDEF:total=user,system,idle,iowait,irq,nice,interrupt,steal,+,+,+,+,+,+,+"
+       push(@command,"CDEF:total=user,system,idle,iowait,irq,nice,interrupt,steal,ADDNAN,ADDNAN,ADDNAN,ADDNAN,ADDNAN,ADDNAN,ADDNAN"
                        ,"CDEF:userpct=100,user,total,/,*"
                        ,"CDEF:nicepct=100,nice,total,/,*"
                        ,"CDEF:interruptpct=100,interrupt,total,/,*"
@@ -212,7 +231,7 @@ sub updatecpugraph {
                        ,"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:MAX:%3.1lf%%"
                        ,"GPRINT:userpct:AVERAGE:%3.2lf%%"
                        ,"GPRINT:userpct:MIN:%3.2lf%%"
                        ,"GPRINT:userpct:LAST:%3.2lf%%\\j"
@@ -237,19 +256,13 @@ sub updatecpugraph {
 sub updateloadgraph {
        my $period    = $_[0];
        RRDs::graph(
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$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{$period."-graph"},
+               "-t ".$Lang::tr{'uptime load average'}." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
                "-v ".$Lang::tr{'processes'},
                "--color=SHADEA".$color{"color19"},
                "--color=SHADEB".$color{"color19"},
@@ -257,11 +270,11 @@ sub updateloadgraph {
                "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 ".$Lang::tr{'minute'}.":",
+               "AREA:load1".$color{"color13"}."A0:1 ".$Lang::tr{'minute'},
                "GPRINT:load1:LAST:%5.2lf",
-               "AREA:load5".$color{"color18"}."A0:5 ".$Lang::tr{'minutes'}.":",
+               "AREA:load5".$color{"color18"}."A0:5 ".$Lang::tr{'minutes'},
                "GPRINT:load5:LAST:%5.2lf",
-               "AREA:load15".$color{"color14"}."A0:15 ".$Lang::tr{'minutes'}.":",
+               "AREA:load15".$color{"color14"}."A0:15 ".$Lang::tr{'minutes'},
                "GPRINT:load15:LAST:%5.2lf\\j",
                "LINE1:load5".$color{"color13"},
                "LINE1:load1".$color{"color18"},
@@ -275,16 +288,10 @@ sub updateloadgraph {
 sub updatememorygraph {
        my $period    = $_[0];
        RRDs::graph(
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$period,
-               "-aPNG",
-               "-i",
-               "-z",
-               "-W www.ipfire.org",
-               "--alt-y-grid",
-               "-w 600",
-               "-h 125",
                "-l 0",
                "-u 100",
                "-r",
@@ -337,16 +344,10 @@ sub updatememorygraph {
 sub updateswapgraph {
        my $period    = $_[0];
        RRDs::graph(
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$period,
-               "-aPNG",
-               "-i",
-               "-z",
-               "-W www.ipfire.org",
-               "--alt-y-grid",
-               "-w 600",
-               "-h 125",
                "-l 0",
                "-u 100",
                "-r",
@@ -395,16 +396,10 @@ sub updateprocessescpugraph {
        my $count="0";
 
        my @command = (
+               @GRAPH_ARGS,
                "-",
                "--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"},
@@ -448,16 +443,10 @@ sub updateprocessesmemorygraph {
        my $count="0";
 
        my @command = (
+               @GRAPH_ARGS,
                "-",
                "--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"},
@@ -498,18 +487,12 @@ sub updatediskgraph {
        my $disk    = $_[0];
        my $period    = $_[1];
        RRDs::graph(
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$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"},
+               "-t ".$disk." ".$Lang::tr{'disk access'}." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
                "-v ".$Lang::tr{'bytes per second'},
                "--color=SHADEA".$color{"color19"},
                "--color=SHADEB".$color{"color19"},
@@ -519,7 +502,7 @@ sub updatediskgraph {
                "CDEF:writen=write,-1,*",
                "DEF:standby=".$mainsettings{'RRDLOG'}."/hddshutdown-".$disk.".rrd:standby:AVERAGE",
                "CDEF:st=standby,INF,*",
-               "CDEF:st1=standby,-INF,*",
+               "CDEF:st1=standby,NEGINF,*",
                "COMMENT:".sprintf("%-25s",$Lang::tr{'caption'}),
                "COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
                "COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
@@ -548,16 +531,10 @@ sub updateifgraph {
        my $interface = $_[0];
        my $period    = $_[1];
        RRDs::graph(
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$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'},
@@ -587,21 +564,115 @@ sub updateifgraph {
                print "Error in RRD::graph for ".$interface.": ".$ERROR."\n" if $ERROR;
 }
 
+sub updatevpngraph {
+       my $interface = $_[0];
+       my $period    = $_[1];
+       RRDs::graph(
+               @GRAPH_ARGS,
+               "-",
+               "--start",
+               "-1".$period,
+               "-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/openvpn-$interface/if_octets_derive.rrd:rx:AVERAGE",
+               "DEF:outgoing=".$mainsettings{'RRDLOG'}."/collectd/localhost/openvpn-$interface/if_octets_derive.rrd:tx:AVERAGE",
+               "CDEF:outgoingn=outgoing,-1,*",
+               "COMMENT:".sprintf("%-20s",$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#00dd00:".sprintf("%-20s",$Lang::tr{'incoming traffic in bytes per second'}),
+               "GPRINT:incoming:MAX:%8.1lf %sBps",
+               "GPRINT:incoming:AVERAGE:%8.1lf %sBps",
+               "GPRINT:incoming:MIN:%8.1lf %sBps",
+               "GPRINT:incoming:LAST:%8.1lf %sBps\\j",
+               "AREA:outgoingn#dd0000:".sprintf("%-20s",$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;
+}
+
+sub updatevpnn2ngraph {
+       my $interface = $_[0];
+       my $period    = $_[1];
+       RRDs::graph(
+               @GRAPH_ARGS,
+               "-",
+               "--start",
+               "-1".$period,
+               "-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/openvpn-$interface/if_octets_derive-traffic.rrd:rx:AVERAGE",
+               "DEF:outgoing=".$mainsettings{'RRDLOG'}."/collectd/localhost/openvpn-$interface/if_octets_derive-traffic.rrd:tx:AVERAGE",
+               "DEF:overhead_in=".$mainsettings{'RRDLOG'}."/collectd/localhost/openvpn-$interface/if_octets_derive-overhead.rrd:rx:AVERAGE",
+               "DEF:overhead_out=".$mainsettings{'RRDLOG'}."/collectd/localhost/openvpn-$interface/if_octets_derive-overhead.rrd:tx:AVERAGE",
+               "DEF:compression_in=".$mainsettings{'RRDLOG'}."/collectd/localhost/openvpn-$interface/compression_derive-data_in.rrd:uncompressed:AVERAGE",
+               "DEF:compression_out=".$mainsettings{'RRDLOG'}."/collectd/localhost/openvpn-$interface/compression_derive-data_out.rrd:uncompressed:AVERAGE",
+               "CDEF:outgoingn=outgoing,-1,*",
+               "CDEF:overhead_outn=overhead_out,-1,*",
+               "CDEF:compression_outn=compression_out,-1,*",
+               "COMMENT:".sprintf("%-20s",$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#00dd00:".sprintf("%-23s",$Lang::tr{'incoming traffic in bytes per second'}),
+               "GPRINT:incoming:MAX:%8.1lf %sBps",
+               "GPRINT:incoming:AVERAGE:%8.1lf %sBps",
+               "GPRINT:incoming:MIN:%8.1lf %sBps",
+               "GPRINT:incoming:LAST:%8.1lf %sBps\\j",
+               "STACK:overhead_in#116B11:".sprintf("%-23s",$Lang::tr{'incoming overhead in bytes per second'}),
+               "GPRINT:overhead_in:MAX:%8.1lf %sBps",
+               "GPRINT:overhead_in:AVERAGE:%8.1lf %sBps",
+               "GPRINT:overhead_in:MIN:%8.1lf %sBps",
+               "GPRINT:overhead_in:LAST:%8.1lf %sBps\\j",
+               "LINE1:compression_in#ff00ff:".sprintf("%-23s",$Lang::tr{'incoming compression in bytes per second'}),
+               "GPRINT:compression_in:MAX:%8.1lf %sBps",
+               "GPRINT:compression_in:AVERAGE:%8.1lf %sBps",
+               "GPRINT:compression_in:MIN:%8.1lf %sBps",
+               "GPRINT:compression_in:LAST:%8.1lf %sBps\\j",
+               "AREA:outgoingn#dd0000:".sprintf("%-23s",$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",
+               "STACK:overhead_outn#870C0C:".sprintf("%-23s",$Lang::tr{'outgoing overhead in bytes per second'}),
+               "GPRINT:overhead_out:MAX:%8.1lf %sBps",
+               "GPRINT:overhead_out:AVERAGE:%8.1lf %sBps",
+               "GPRINT:overhead_out:MIN:%8.1lf %sBps",
+               "GPRINT:overhead_out:LAST:%8.1lf %sBps\\j",
+               "LINE1:compression_outn#000000:".sprintf("%-23s",$Lang::tr{'outgoing compression in bytes per second'}),
+               "GPRINT:compression_out:MAX:%8.1lf %sBps",
+               "GPRINT:compression_out:AVERAGE:%8.1lf %sBps",
+               "GPRINT:compression_out:MIN:%8.1lf %sBps",
+               "GPRINT:compression_out: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    = $_[0];
        RRDs::graph(
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$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'},
@@ -618,30 +689,30 @@ sub updatefwhitsgraph {
                "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",$Lang::tr{'firewallhits'}."-OUTPUT"),
+               "AREA:output".$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",$Lang::tr{'firewallhits'}."-FORWARD"),
+               "STACK:forward".$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",$Lang::tr{'firewallhits'}."-INPUT"),
+               "STACK:input".$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"),
+               "STACK:newnotsyn".$color{"color14"}."A0:".sprintf("%-25s","NewNotSYN"),
                "GPRINT:newnotsyn:MAX:%8.1lf %sBps",
-               "GPRINT:newnotsyn:MIN:%8.1lf %sBps",
                "GPRINT:newnotsyn:AVERAGE:%8.1lf %sBps",
+               "GPRINT:newnotsyn:MIN:%8.1lf %sBps",
                "GPRINT:newnotsyn:LAST:%8.1lf %sBps\\j",
                "STACK:portscan".$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:MIN:%8.1lf %sBps",
                "GPRINT:portscan:LAST:%8.1lf %sBps\\j",
                );
                $ERROR = RRDs::error;
@@ -654,16 +725,10 @@ sub updatepinggraph {
        my $period    = $_[1];
        my $host    = $_[0];
        RRDs::graph(
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$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"},
@@ -700,16 +765,10 @@ sub updatewirelessgraph {
        my $period    = $_[1];
        my $interface    = $_[0];
        RRDs::graph(
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$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"},
@@ -743,16 +802,10 @@ sub updatehddgraph {
        my $disk = $_[0];
        my $period = $_[1];
        RRDs::graph(
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$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{$period."-graph"},
                "-v Celsius",
@@ -763,15 +816,15 @@ sub updatehddgraph {
                "DEF:standby=".$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",
+               "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",
+               "GPRINT:temperature:MAX:%3.0lf °C",
+               "GPRINT:temperature:AVERAGE:%3.0lf °C",
+               "GPRINT:temperature:MIN:%3.0lf °C",
+               "GPRINT:temperature:LAST:%3.0lf °C\\j",
                );
                $ERROR = RRDs::error;
                print "Error in RRD::graph for hdd-".$disk.": ".$ERROR."\n" if $ERROR;
@@ -783,18 +836,13 @@ sub updatehwtempgraph {
        my $period = $_[0];
 
        my @command = (
+               @GRAPH_ARGS,
                "-",
                "--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{$period."-graph"},
+               "-v Celsius",
                "--color=SHADEA".$color{"color19"},
                "--color=SHADEB".$color{"color19"},
                "--color=BACK".$color{"color21"},
@@ -821,7 +869,7 @@ sub updatehwtempgraph {
                                $_ =~ /\/(.*)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",);
+                               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",);
                        }
                }
 
@@ -836,16 +884,10 @@ sub updatehwfangraph {
        my $period = $_[0];
 
        my @command = (
+               @GRAPH_ARGS,
                "-",
                "--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"},
@@ -889,16 +931,10 @@ sub updatehwvoltgraph {
        my $period = $_[0];
 
        my @command = (
+               @GRAPH_ARGS,
                "-",
                "--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"},
@@ -959,19 +995,13 @@ sub updateqosgraph {
 
        my $ERROR="";
        my $count="1";
-       my $color="#000000";
+       my %colorMap = (); # maps traffic classes to graph colors
 
        my @command = (
+               @GRAPH_ARGS,
                "-",
                "--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'},
@@ -989,18 +1019,27 @@ sub updateqosgraph {
                @classes = <FILE>;
                close FILE;
 
-               my $colorIndex = 0;
                foreach $classentry (sort @classes){
                        @classline = split( /\;/, $classentry );
+
+                       # create class <-> color mapping
+                       my $colorKey = uc $classline[8]; # upper case class name as key
+                       if(! exists $colorMap{$colorKey}) {
+                               # add missing color to table, use colors 11-25
+                               my $colorIndex = 11 + ((scalar keys %colorMap) % 15);
+                               $colorMap{$colorKey} = "$color{\"color$colorIndex\"}";
+                       }
+
                        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");
 
+                               # get color to be used for this graph
+                               my $graphColor = $colorMap{$colorKey};
+
                                if ($count eq "1") {
-                                       push(@command, "AREA:$classline[1]$color:$Lang::tr{'Class'} $classline[1] -".sprintf("%15s",$classline[8]));
+                                       push(@command, "AREA:$classline[1]$graphColor:$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, "STACK:$classline[1]$graphColor:$Lang::tr{'Class'} $classline[1] -".sprintf("%15s",$classline[8]));
                                }
 
                                push(@command, "GPRINT:$classline[1]:MAX:%8.1lf %sBps"
@@ -1021,16 +1060,10 @@ sub updatecpufreqgraph {
        my $cpucount = `ls -dA $mainsettings{'RRDLOG'}/collectd/localhost/cpu-*/ 2>/dev/null | wc -l`;
        my $period    = $_[0];
        my @command = (
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$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",
@@ -1066,19 +1099,13 @@ sub updatethermaltempgraph {
        my $thermalcount = `ls -dA $mainsettings{'RRDLOG'}/collectd/localhost/thermal-thermal_zone* 2>/dev/null | wc -l`;
        my $period    = $_[0];
        my @command = (
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$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",
+               "-t ".$Lang::tr{'acpitemp'}." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
+               "-v Celsius",
                "--color=SHADEA".$color{"color19"},
                "--color=SHADEB".$color{"color19"},
                "--color=BACK".$color{"color21"},
@@ -1094,10 +1121,10 @@ sub updatethermaltempgraph {
                push(@command,"DEF:temp".$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");
+                               ,"GPRINT:temp".$i.":MAX:%3.0lf °C"
+                               ,"GPRINT:temp".$i.":AVERAGE:%3.0lf °C"
+                               ,"GPRINT:temp".$i.":MIN:%3.0lf °C"
+                               ,"GPRINT:temp".$i.":LAST:%3.0lf °C\\j");
        }
 
        RRDs::graph (@command);
@@ -1125,22 +1152,15 @@ sub getprocesses {
 sub updateentropygraph {
        my $period    = $_[0];
        my @command = (
+               @GRAPH_ARGS,
                "-",
                "--start",
                "-1".$period,
-               "-aPNG",
-               "-i",
-               "-z",
-               "-W www.ipfire.org",
-               "--alt-y-grid",
-               "-w 600",
-               "-h 225",
                "-r",
                "--lower-limit","0",
-               "-t $Lang::tr{'entropy'}",
+               "-t ".$Lang::tr{'entropy'}." ".$Lang::tr{'graph per'}." ".$Lang::tr{$period."-graph"},
                "-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",
@@ -1148,7 +1168,7 @@ sub updateentropygraph {
                "GPRINT:entrmax:" . sprintf("%12s\\: %%5.0lf", $Lang::tr{'maximum'}),
                "GPRINT:entrmin:" . sprintf("%12s\\: %%5.0lf", $Lang::tr{'minimum'}),
                "GPRINT:entravg:" . sprintf("%12s\\: %%5.0lf", $Lang::tr{'average'}) . "\\n",
-               "LINE3:entropytrend#000000",
+               "--color=BACK".$color{"color21"},
        );
 
        RRDs::graph (@command);
@@ -1156,3 +1176,31 @@ sub updateentropygraph {
 
        print "Error in RRD::graph for entropy: ".$ERROR."\n" if $ERROR;
 }
+
+sub updateconntrackgraph {
+       my $period = $_[0];
+       my @command = (
+               @GRAPH_ARGS,
+               "-",
+               "--start",
+               "-1" . $period,
+               "-r",
+               "--lower-limit","0",
+               "-t $Lang::tr{'connection tracking'}",
+               "-v $Lang::tr{'open connections'}",
+               "DEF:conntrack=$mainsettings{'RRDLOG'}/collectd/localhost/conntrack/conntrack.rrd:entropy:AVERAGE",
+               "LINE3:conntrack#ff0000:" . sprintf("%-15s", $Lang::tr{'open connections'}),
+               "VDEF:ctmin=conntrack,MINIMUM",
+               "VDEF:ctmax=conntrack,MAXIMUM",
+               "VDEF:ctavg=conntrack,AVERAGE",
+               "GPRINT:ctmax:" . sprintf("%15s\\: %%5.0lf", $Lang::tr{'maximum'}),
+               "GPRINT:ctmin:" . sprintf("%15s\\: %%5.0lf", $Lang::tr{'minimum'}),
+               "GPRINT:ctavg:" . sprintf("%15s\\: %%5.0lf", $Lang::tr{'average'}) . "\\n",
+               "--color=BACK" . $color{"color21"},
+       );
+
+       RRDs::graph(@command);
+       $ERROR = RRDs::error;
+
+       print STDERR "Error in RRD::Graph for conntrack: " . $ERROR . "\n" if $ERROR;
+}