contrib/collection.cgi

   1 #!/usr/bin/perl
   2
   3 use strict;
   4 use warnings;
   5
   6 no warnings ('qw');
   7
   8 use CGI;
   9 use RRDs;
  10 use Fcntl (qw(:flock));
  11 use Carp (qw(carp cluck confess croak));
  12
  13 our $Config = read_config ();
  14
  15 our $AbsDir;
  16 our $RelDir;
  17 our $Type;
  18 our $Inst;
  19 our $TimeSpan;
  20
  21 for (qw(Red Green Blue Yellow Cyan Magenta))
  22 {
  23         $Config->{'Colors'}{"Half$_"} = color_calculate_transparent ($Config->{'Colors'}{'Alpha'},
  24                 $Config->{'Colors'}{'Canvas'}, $Config->{'Colors'}{"Full$_"});
  25 }
  26
  27 $Config->{'Colors'}{'HalfBlueGreen'} = color_calculate_transparent ($Config->{'Colors'}{'Alpha'},
  28         $Config->{'Colors'}{'Canvas'}, $Config->{'Colors'}{'FullGreen'}, $Config->{'Colors'}{'FullBlue'});
  29 $Config->{'Colors'}{'HalfRedBlue'} = color_calculate_transparent ($Config->{'Colors'}{'Alpha'},
  30         $Config->{'Colors'}{'Canvas'}, $Config->{'Colors'}{'FullBlue'}, $Config->{'Colors'}{'FullRed'});
  31
  32 our $GraphDefs;
  33 {
  34         my $Alpha  = $Config->{'Colors'}{'Alpha'};
  35         my $Canvas = $Config->{'Colors'}{'Canvas'};
  36
  37         my $FullRed    = $Config->{'Colors'}{'FullRed'};
  38         my $FullGreen  = $Config->{'Colors'}{'FullGreen'};
  39         my $FullBlue   = $Config->{'Colors'}{'FullBlue'};
  40         my $FullYellow = $Config->{'Colors'}{'FullYellow'};
  41         my $FullCyan   = $Config->{'Colors'}{'FullCyan'};
  42         my $FullMagenta= $Config->{'Colors'}{'FullMagenta'};
  43
  44         my $HalfRed    = $Config->{'Colors'}{'HalfRed'};
  45         my $HalfGreen  = $Config->{'Colors'}{'HalfGreen'};
  46         my $HalfBlue   = $Config->{'Colors'}{'HalfBlue'};
  47         my $HalfYellow = $Config->{'Colors'}{'HalfYellow'};
  48         my $HalfCyan   = $Config->{'Colors'}{'HalfCyan'};
  49         my $HalfMagenta= $Config->{'Colors'}{'HalfMagenta'};
  50
  51         my $HalfBlueGreen = $Config->{'Colors'}{'HalfBlueGreen'};
  52         my $HalfRedBlue   = $Config->{'Colors'}{'HalfRedBlue'};
  53
  54         $GraphDefs =
  55         {
  56                 apache_bytes => ['DEF:min_raw={file}:count:MIN',
  57                         'DEF:avg_raw={file}:count:AVERAGE',
  58                         'DEF:max_raw={file}:count:MAX',
  59                         'CDEF:min=min_raw,8,*',
  60                         'CDEF:avg=avg_raw,8,*',
  61                         'CDEF:max=max_raw,8,*',
  62                         'CDEF:mytime=avg_raw,TIME,TIME,IF',
  63                         'CDEF:sample_len_raw=mytime,PREV(mytime),-',
  64                         'CDEF:sample_len=sample_len_raw,UN,0,sample_len_raw,IF',
  65                         'CDEF:avg_sample=avg_raw,UN,0,avg_raw,IF,sample_len,*',
  66                         'CDEF:avg_sum=PREV,UN,0,PREV,IF,avg_sample,+',
  67                         "AREA:avg#$HalfBlue",
  68                         "LINE1:avg#$FullBlue:Bit/s",
  69                         'GPRINT:min:MIN:%5.1lf%s Min,',
  70                         'GPRINT:avg:AVERAGE:%5.1lf%s Avg,',
  71                         'GPRINT:max:MAX:%5.1lf%s Max,',
  72                         'GPRINT:avg:LAST:%5.1lf%s Last',
  73                         'GPRINT:avg_sum:LAST:(ca. %5.1lf%sB Total)\l'
  74                 ],
  75                 apache_requests => ['DEF:min={file}:count:MIN',
  76                         'DEF:avg={file}:count:AVERAGE',
  77                         'DEF:max={file}:count:MAX',
  78                         "AREA:max#$HalfBlue",
  79                         "AREA:min#$Canvas",
  80                         "LINE1:avg#$FullBlue:Requests/s",
  81                         'GPRINT:min:MIN:%6.2lf Min,',
  82                         'GPRINT:avg:AVERAGE:%6.2lf Avg,',
  83                         'GPRINT:max:MAX:%6.2lf Max,',
  84                         'GPRINT:avg:LAST:%6.2lf Last'
  85                 ],
  86                 apache_scoreboard => ['DEF:min={file}:count:MIN',
  87                         'DEF:avg={file}:count:AVERAGE',
  88                         'DEF:max={file}:count:MAX',
  89                         "AREA:max#$HalfBlue",
  90                         "AREA:min#$Canvas",
  91                         "LINE1:avg#$FullBlue:Processes",
  92                         'GPRINT:min:MIN:%6.2lf Min,',
  93                         'GPRINT:avg:AVERAGE:%6.2lf Avg,',
  94                         'GPRINT:max:MAX:%6.2lf Max,',
  95                         'GPRINT:avg:LAST:%6.2lf Last'
  96                 ],
  97                 charge => [
  98                         'DEF:avg={file}:charge:AVERAGE',
  99                         'DEF:min={file}:charge:MIN',
 100                         'DEF:max={file}:charge:MAX',
 101                         "AREA:max#$HalfBlue",
 102                         "AREA:min#$Canvas",
 103                         "LINE1:avg#$FullBlue:Charge",
 104                         'GPRINT:min:MIN:%5.1lf%sAh Min,',
 105                         'GPRINT:avg:AVERAGE:%5.1lf%sAh Avg,',
 106                         'GPRINT:max:MAX:%5.1lf%sAh Max,',
 107                         'GPRINT:avg:LAST:%5.1lf%sAh Last\l'
 108                 ],
 109                 cpu => ['DEF:user_avg={file}:user:AVERAGE',
 110                         'DEF:user_min={file}:user:MIN',
 111                         'DEF:user_max={file}:user:MAX',
 112                         'DEF:nice_avg={file}:nice:AVERAGE',
 113                         'DEF:nice_min={file}:nice:MIN',
 114                         'DEF:nice_max={file}:nice:MAX',
 115                         'DEF:syst_avg={file}:syst:AVERAGE',
 116                         'DEF:syst_min={file}:syst:MIN',
 117                         'DEF:syst_max={file}:syst:MAX',
 118                         'DEF:idle_avg={file}:idle:AVERAGE',
 119                         'DEF:idle_min={file}:idle:MIN',
 120                         'DEF:idle_max={file}:idle:MAX',
 121                         'DEF:wait_avg={file}:wait:AVERAGE',
 122                         'DEF:wait_min={file}:wait:MIN',
 123                         'DEF:wait_max={file}:wait:MAX',
 124                         'CDEF:user_avg_notnull=user_avg,UN,0,user_avg,IF',
 125                         'CDEF:nice_avg_notnull=nice_avg,UN,0,nice_avg,IF',
 126                         'CDEF:syst_avg_notnull=syst_avg,UN,0,syst_avg,IF',
 127                         'CDEF:idle_avg_notnull=idle_avg,UN,0,idle_avg,IF',
 128                         'CDEF:wait_avg_notnull=wait_avg,UN,0,wait_avg,IF',
 129                         'CDEF:totl_avg_notnull=user_avg_notnull,nice_avg_notnull,+,syst_avg_notnull,+,idle_avg_notnull,+,wait_avg_notnull,+',
 130                         'CDEF:user_avg_pct=user_avg_notnull,100,*,totl_avg_notnull,/',
 131                         'CDEF:nice_avg_pct=nice_avg_notnull,100,*,totl_avg_notnull,/',
 132                         'CDEF:syst_avg_pct=syst_avg_notnull,100,*,totl_avg_notnull,/',
 133                         'CDEF:wait_avg_pct=wait_avg_notnull,100,*,totl_avg_notnull,/',
 134                         'CDEF:nice_acc=syst_avg_pct,wait_avg_pct,user_avg_pct,nice_avg_pct,+,+,+',
 135                         'CDEF:user_acc=syst_avg_pct,wait_avg_pct,user_avg_pct,+,+',
 136                         'CDEF:wait_acc=syst_avg_pct,wait_avg_pct,+',
 137                         'CDEF:syst_acc=syst_avg_pct',
 138 #                       'CDEF:nice_acc=syst_avg_notnull,wait_avg_notnull,user_avg_notnull,nice_avg_notnull,+,+,+',
 139 #                       'CDEF:user_acc=syst_avg_notnull,wait_avg_notnull,user_avg_notnull,+,+',
 140 #                       'CDEF:wait_acc=syst_avg_notnull,wait_avg_notnull,+',
 141 #                       'CDEF:syst_acc=syst_avg_notnull',
 142                         "AREA:nice_acc#$HalfGreen",
 143                         "AREA:user_acc#$HalfBlue",
 144                         "AREA:wait_acc#$HalfYellow",
 145                         "AREA:syst_acc#$HalfRed",
 146                         "LINE1:nice_acc#$FullGreen:Nice   ",
 147                         'GPRINT:nice_min:MIN:%5.1lf%% Min,',
 148                         'GPRINT:nice_avg:AVERAGE:%5.1lf%% Avg,',
 149                         'GPRINT:nice_max:MAX:%5.1lf%% Max,',
 150                         'GPRINT:nice_avg:LAST:%5.1lf%% Last\l',
 151                         "LINE1:user_acc#$FullBlue:User   ",
 152                         'GPRINT:user_min:MIN:%5.1lf%% Min,',
 153                         'GPRINT:user_avg:AVERAGE:%5.1lf%% Avg,',
 154                         'GPRINT:user_max:MAX:%5.1lf%% Max,',
 155                         'GPRINT:user_avg:LAST:%5.1lf%% Last\l',
 156                         "LINE1:wait_acc#$FullYellow:Wait-IO",
 157                         'GPRINT:wait_min:MIN:%5.1lf%% Min,',
 158                         'GPRINT:wait_avg:AVERAGE:%5.1lf%% Avg,',
 159                         'GPRINT:wait_max:MAX:%5.1lf%% Max,',
 160                         'GPRINT:wait_avg:LAST:%5.1lf%% Last\l',
 161                         "LINE1:syst_acc#$FullRed:System ",
 162                         'GPRINT:syst_min:MIN:%5.1lf%% Min,',
 163                         'GPRINT:syst_avg:AVERAGE:%5.1lf%% Avg,',
 164                         'GPRINT:syst_max:MAX:%5.1lf%% Max,',
 165                         'GPRINT:syst_avg:LAST:%5.1lf%% Last\l'
 166                 ],
 167                 current => [
 168                         'DEF:avg={file}:current:AVERAGE',
 169                         'DEF:min={file}:current:MIN',
 170                         'DEF:max={file}:current:MAX',
 171                         "AREA:max#$HalfBlue",
 172                         "AREA:min#$Canvas",
 173                         "LINE1:avg#$FullBlue:Current",
 174                         'GPRINT:min:MIN:%5.1lf%sA Min,',
 175                         'GPRINT:avg:AVERAGE:%5.1lf%sA Avg,',
 176                         'GPRINT:max:MAX:%5.1lf%sA Max,',
 177                         'GPRINT:avg:LAST:%5.1lf%sA Last\l'
 178                 ],
 179                 df => [
 180                         'DEF:free_avg={file}:free:AVERAGE',
 181                         'DEF:free_min={file}:free:MIN',
 182                         'DEF:free_max={file}:free:MAX',
 183                         'DEF:used_avg={file}:used:AVERAGE',
 184                         'DEF:used_min={file}:used:MIN',
 185                         'DEF:used_max={file}:used:MAX',
 186                         'CDEF:total=free_avg,used_avg,+',
 187                         'CDEF:free_pct=100,free_avg,*,total,/',
 188                         'CDEF:used_pct=100,used_avg,*,total,/',
 189                         'CDEF:free_acc=free_pct,used_pct,+',
 190                         'CDEF:used_acc=used_pct',
 191                         "AREA:free_acc#$HalfGreen",
 192                         "AREA:used_acc#$HalfRed",
 193                         "LINE1:free_acc#$FullGreen:Free",
 194                         'GPRINT:free_min:MIN:%5.1lf%sB Min,',
 195                         'GPRINT:free_avg:AVERAGE:%5.1lf%sB Avg,',
 196                         'GPRINT:free_max:MAX:%5.1lf%sB Max,',
 197                         'GPRINT:free_avg:LAST:%5.1lf%sB Last\l',
 198                         "LINE1:used_acc#$FullRed:Used",
 199                         'GPRINT:used_min:MIN:%5.1lf%sB Min,',
 200                         'GPRINT:used_avg:AVERAGE:%5.1lf%sB Avg,',
 201                         'GPRINT:used_max:MAX:%5.1lf%sB Max,',
 202                         'GPRINT:used_avg:LAST:%5.1lf%sB Last\l'
 203                 ],
 204                 disk => [
 205                         'DEF:rtime_avg={file}:rtime:AVERAGE',
 206                         'DEF:rtime_min={file}:rtime:MIN',
 207                         'DEF:rtime_max={file}:rtime:MAX',
 208                         'DEF:wtime_avg={file}:wtime:AVERAGE',
 209                         'DEF:wtime_min={file}:wtime:MIN',
 210                         'DEF:wtime_max={file}:wtime:MAX',
 211                         'CDEF:rtime_avg_ms=rtime_avg,1000,/',
 212                         'CDEF:rtime_min_ms=rtime_min,1000,/',
 213                         'CDEF:rtime_max_ms=rtime_max,1000,/',
 214                         'CDEF:wtime_avg_ms=wtime_avg,1000,/',
 215                         'CDEF:wtime_min_ms=wtime_min,1000,/',
 216                         'CDEF:wtime_max_ms=wtime_max,1000,/',
 217                         'CDEF:total_avg_ms=rtime_avg_ms,wtime_avg_ms,+',
 218                         'CDEF:total_min_ms=rtime_min_ms,wtime_min_ms,+',
 219                         'CDEF:total_max_ms=rtime_max_ms,wtime_max_ms,+',
 220                         "AREA:total_max_ms#$HalfRed",
 221                         "AREA:total_min_ms#$Canvas",
 222                         "LINE1:wtime_avg_ms#$FullGreen:Write",
 223                         'GPRINT:wtime_min_ms:MIN:%5.1lf%s Min,',
 224                         'GPRINT:wtime_avg_ms:AVERAGE:%5.1lf%s Avg,',
 225                         'GPRINT:wtime_max_ms:MAX:%5.1lf%s Max,',
 226                         'GPRINT:wtime_avg_ms:LAST:%5.1lf%s Last\n',
 227                         "LINE1:rtime_avg_ms#$FullBlue:Read ",
 228                         'GPRINT:rtime_min_ms:MIN:%5.1lf%s Min,',
 229                         'GPRINT:rtime_avg_ms:AVERAGE:%5.1lf%s Avg,',
 230                         'GPRINT:rtime_max_ms:MAX:%5.1lf%s Max,',
 231                         'GPRINT:rtime_avg_ms:LAST:%5.1lf%s Last\n',
 232                         "LINE1:total_avg_ms#$FullRed:Total",
 233                         'GPRINT:total_min_ms:MIN:%5.1lf%s Min,',
 234                         'GPRINT:total_avg_ms:AVERAGE:%5.1lf%s Avg,',
 235                         'GPRINT:total_max_ms:MAX:%5.1lf%s Max,',
 236                         'GPRINT:total_avg_ms:LAST:%5.1lf%s Last'
 237                 ],
 238                 fanspeed => [
 239                         'DEF:temp_avg={file}:value:AVERAGE',
 240                         'DEF:temp_min={file}:value:MIN',
 241                         'DEF:temp_max={file}:value:MAX',
 242                         "AREA:temp_max#$HalfBlue",
 243                         "AREA:temp_min#$Canvas",
 244                         "LINE1:temp_avg#$FullBlue:RPM",
 245                         'GPRINT:temp_min:MIN:%4.1lf Min,',
 246                         'GPRINT:temp_avg:AVERAGE:%4.1lf Avg,',
 247                         'GPRINT:temp_max:MAX:%4.1lf Max,',
 248                         'GPRINT:temp_avg:LAST:%4.1lf Last\l'
 249                 ],
 250                 frequency_offset => [ # NTPd
 251                         'DEF:ppm_avg={file}:ppm:AVERAGE',
 252                         'DEF:ppm_min={file}:ppm:MIN',
 253                         'DEF:ppm_max={file}:ppm:MAX',
 254                         "AREA:ppm_max#$HalfBlue",
 255                         "AREA:ppm_min#$Canvas",
 256                         "LINE1:ppm_avg#$FullBlue:{inst}",
 257                         'GPRINT:ppm_min:MIN:%5.2lf Min,',
 258                         'GPRINT:ppm_avg:AVERAGE:%5.2lf Avg,',
 259                         'GPRINT:ppm_max:MAX:%5.2lf Max,',
 260                         'GPRINT:ppm_avg:LAST:%5.2lf Last'
 261                 ],
 262                 hddtemp => [
 263                         'DEF:temp_avg={file}:value:AVERAGE',
 264                         'DEF:temp_min={file}:value:MIN',
 265                         'DEF:temp_max={file}:value:MAX',
 266                         "AREA:temp_max#$HalfBlue",
 267                         "AREA:temp_min#$Canvas",
 268                         "LINE1:temp_avg#$FullBlue:Temperature",
 269                         'GPRINT:temp_min:MIN:%4.1lf Min,',
 270                         'GPRINT:temp_avg:AVERAGE:%4.1lf Avg,',
 271                         'GPRINT:temp_max:MAX:%4.1lf Max,',
 272                         'GPRINT:temp_avg:LAST:%4.1lf Last\l'
 273                 ],
 274                 load => ['DEF:s_avg={file}:shortterm:AVERAGE',
 275                         'DEF:s_min={file}:shortterm:MIN',
 276                         'DEF:s_max={file}:shortterm:MAX',
 277                         'DEF:m_avg={file}:midterm:AVERAGE',
 278                         'DEF:m_min={file}:midterm:MIN',
 279                         'DEF:m_max={file}:midterm:MAX',
 280                         'DEF:l_avg={file}:longterm:AVERAGE',
 281                         'DEF:l_min={file}:longterm:MIN',
 282                         'DEF:l_max={file}:longterm:MAX',
 283                         "AREA:s_max#$HalfGreen",
 284                         "AREA:s_min#$Canvas",
 285                         "LINE1:s_avg#$FullGreen: 1m average",
 286                         'GPRINT:s_min:MIN:%4.2lf Min,',
 287                         'GPRINT:s_avg:AVERAGE:%4.2lf Avg,',
 288                         'GPRINT:s_max:MAX:%4.2lf Max,',
 289                         'GPRINT:s_avg:LAST:%4.2lf Last\n',
 290                         "LINE1:m_avg#$FullBlue: 5m average",
 291                         'GPRINT:m_min:MIN:%4.2lf Min,',
 292                         'GPRINT:m_avg:AVERAGE:%4.2lf Avg,',
 293                         'GPRINT:m_max:MAX:%4.2lf Max,',
 294                         'GPRINT:m_avg:LAST:%4.2lf Last\n',
 295                         "LINE1:l_avg#$FullRed:15m average",
 296                         'GPRINT:l_min:MIN:%4.2lf Min,',
 297                         'GPRINT:l_avg:AVERAGE:%4.2lf Avg,',
 298                         'GPRINT:l_max:MAX:%4.2lf Max,',
 299                         'GPRINT:l_avg:LAST:%4.2lf Last'
 300                 ],
 301                 mails => ['DEF:rawgood={file}:good:AVERAGE',
 302                         'DEF:rawspam={file}:spam:AVERAGE',
 303                         'CDEF:good=rawgood,UN,0,rawgood,IF',
 304                         'CDEF:spam=rawspam,UN,0,rawspam,IF',
 305                         'CDEF:negspam=spam,-1,*',
 306                         "AREA:good#$HalfGreen",
 307                         "LINE1:good#$FullGreen:Good mails",
 308                         'GPRINT:good:AVERAGE:%4.1lf Avg,',
 309                         'GPRINT:good:MAX:%4.1lf Max,',
 310                         'GPRINT:good:LAST:%4.1lf Last\n',
 311                         "AREA:negspam#$HalfRed",
 312                         "LINE1:negspam#$FullRed:Spam mails",
 313                         'GPRINT:spam:AVERAGE:%4.1lf Avg,',
 314                         'GPRINT:spam:MAX:%4.1lf Max,',
 315                         'GPRINT:spam:LAST:%4.1lf Last',
 316                         'HRULE:0#000000'],
 317                 memory => [
 318                         'DEF:used_avg={file}:used:AVERAGE',
 319                         'DEF:free_avg={file}:free:AVERAGE',
 320                         'DEF:buffers_avg={file}:buffers:AVERAGE',
 321                         'DEF:cached_avg={file}:cached:AVERAGE',
 322                         'DEF:used_min={file}:used:MIN',
 323                         'DEF:free_min={file}:free:MIN',
 324                         'DEF:buffers_min={file}:buffers:MIN',
 325                         'DEF:cached_min={file}:cached:MIN',
 326                         'DEF:used_max={file}:used:MAX',
 327                         'DEF:free_max={file}:free:MAX',
 328                         'DEF:buffers_max={file}:buffers:MAX',
 329                         'DEF:cached_max={file}:cached:MAX',
 330                         'CDEF:cached_avg_nn=cached_avg,UN,0,cached_avg,IF',
 331                         'CDEF:buffers_avg_nn=buffers_avg,UN,0,buffers_avg,IF',
 332                         'CDEF:free_cached_buffers_used=free_avg,cached_avg_nn,+,buffers_avg_nn,+,used_avg,+',
 333                         'CDEF:cached_buffers_used=cached_avg,buffers_avg_nn,+,used_avg,+',
 334                         'CDEF:buffers_used=buffers_avg,used_avg,+',
 335                         "AREA:free_cached_buffers_used#$HalfGreen",
 336                         "AREA:cached_buffers_used#$HalfBlue",
 337                         "AREA:buffers_used#$HalfYellow",
 338                         "AREA:used_avg#$HalfRed",
 339                         "LINE1:free_cached_buffers_used#$FullGreen:Free        ",
 340                         'GPRINT:free_min:MIN:%5.1lf%s Min,',
 341                         'GPRINT:free_avg:AVERAGE:%5.1lf%s Avg,',
 342                         'GPRINT:free_max:MAX:%5.1lf%s Max,',
 343                         'GPRINT:free_avg:LAST:%5.1lf%s Last\n',
 344                         "LINE1:cached_buffers_used#$FullBlue:Page cache  ",
 345                         'GPRINT:cached_min:MIN:%5.1lf%s Min,',
 346                         'GPRINT:cached_avg:AVERAGE:%5.1lf%s Avg,',
 347                         'GPRINT:cached_max:MAX:%5.1lf%s Max,',
 348                         'GPRINT:cached_avg:LAST:%5.1lf%s Last\n',
 349                         "LINE1:buffers_used#$FullYellow:Buffer cache",
 350                         'GPRINT:buffers_min:MIN:%5.1lf%s Min,',
 351                         'GPRINT:buffers_avg:AVERAGE:%5.1lf%s Avg,',
 352                         'GPRINT:buffers_max:MAX:%5.1lf%s Max,',
 353                         'GPRINT:buffers_avg:LAST:%5.1lf%s Last\n',
 354                         "LINE1:used_avg#$FullRed:Used        ",
 355                         'GPRINT:used_min:MIN:%5.1lf%s Min,',
 356                         'GPRINT:used_avg:AVERAGE:%5.1lf%s Avg,',
 357                         'GPRINT:used_max:MAX:%5.1lf%s Max,',
 358                         'GPRINT:used_avg:LAST:%5.1lf%s Last'
 359                 ],
 360                 mysql_commands => [
 361                         "DEF:val_avg={file}:value:AVERAGE",
 362                         "DEF:val_min={file}:value:MIN",
 363                         "DEF:val_max={file}:value:MAX",
 364                         "AREA:val_max#$HalfBlue",
 365                         "AREA:val_min#$Canvas",
 366                         "LINE1:val_avg#$FullBlue:{inst}",
 367                         'GPRINT:val_min:MIN:%5.2lf Min,',
 368                         'GPRINT:val_avg:AVERAGE:%5.2lf Avg,',
 369                         'GPRINT:val_max:MAX:%5.2lf Max,',
 370                         'GPRINT:val_avg:LAST:%5.2lf Last'
 371                 ],
 372                 mysql_handler => [
 373                         "DEF:val_avg={file}:value:AVERAGE",
 374                         "DEF:val_min={file}:value:MIN",
 375                         "DEF:val_max={file}:value:MAX",
 376                         "AREA:val_max#$HalfBlue",
 377                         "AREA:val_min#$Canvas",
 378                         "LINE1:val_avg#$FullBlue:{inst}",
 379                         'GPRINT:val_min:MIN:%5.2lf Min,',
 380                         'GPRINT:val_avg:AVERAGE:%5.2lf Avg,',
 381                         'GPRINT:val_max:MAX:%5.2lf Max,',
 382                         'GPRINT:val_avg:LAST:%5.2lf Last'
 383                 ],
 384                 mysql_qcache => [
 385                         "DEF:hits_min={file}:hits:MIN",
 386                         "DEF:hits_avg={file}:hits:AVERAGE",
 387                         "DEF:hits_max={file}:hits:MAX",
 388                         "DEF:inserts_min={file}:inserts:MIN",
 389                         "DEF:inserts_avg={file}:inserts:AVERAGE",
 390                         "DEF:inserts_max={file}:inserts:MAX",
 391                         "DEF:not_cached_min={file}:not_cached:MIN",
 392                         "DEF:not_cached_avg={file}:not_cached:AVERAGE",
 393                         "DEF:not_cached_max={file}:not_cached:MAX",
 394                         "DEF:lowmem_prunes_min={file}:lowmem_prunes:MIN",
 395                         "DEF:lowmem_prunes_avg={file}:lowmem_prunes:AVERAGE",
 396                         "DEF:lowmem_prunes_max={file}:lowmem_prunes:MAX",
 397                         "DEF:queries_min={file}:queries_in_cache:MIN",
 398                         "DEF:queries_avg={file}:queries_in_cache:AVERAGE",
 399                         "DEF:queries_max={file}:queries_in_cache:MAX",
 400                         "CDEF:unknown=queries_avg,UNKN,+",
 401                         "CDEF:not_cached_agg=hits_avg,inserts_avg,+,not_cached_avg,+",
 402                         "CDEF:inserts_agg=hits_avg,inserts_avg,+",
 403                         "CDEF:hits_agg=hits_avg",
 404                         "AREA:not_cached_agg#$HalfYellow",
 405                         "AREA:inserts_agg#$HalfBlue",
 406                         "AREA:hits_agg#$HalfGreen",
 407                         "LINE1:not_cached_agg#$FullYellow:Not Cached      ",
 408                         'GPRINT:not_cached_min:MIN:%5.2lf Min,',
 409                         'GPRINT:not_cached_avg:AVERAGE:%5.2lf Avg,',
 410                         'GPRINT:not_cached_max:MAX:%5.2lf Max,',
 411                         'GPRINT:not_cached_avg:LAST:%5.2lf Last\l',
 412                         "LINE1:inserts_agg#$FullBlue:Inserts         ",
 413                         'GPRINT:inserts_min:MIN:%5.2lf Min,',
 414                         'GPRINT:inserts_avg:AVERAGE:%5.2lf Avg,',
 415                         'GPRINT:inserts_max:MAX:%5.2lf Max,',
 416                         'GPRINT:inserts_avg:LAST:%5.2lf Last\l',
 417                         "LINE1:hits_agg#$FullGreen:Hits            ",
 418                         'GPRINT:hits_min:MIN:%5.2lf Min,',
 419                         'GPRINT:hits_avg:AVERAGE:%5.2lf Avg,',
 420                         'GPRINT:hits_max:MAX:%5.2lf Max,',
 421                         'GPRINT:hits_avg:LAST:%5.2lf Last\l',
 422                         "LINE1:lowmem_prunes_avg#$FullRed:Lowmem Prunes   ",
 423                         'GPRINT:lowmem_prunes_min:MIN:%5.2lf Min,',
 424                         'GPRINT:lowmem_prunes_avg:AVERAGE:%5.2lf Avg,',
 425                         'GPRINT:lowmem_prunes_max:MAX:%5.2lf Max,',
 426                         'GPRINT:lowmem_prunes_avg:LAST:%5.2lf Last\l',
 427                         "LINE1:unknown#$Canvas:Queries in cache",
 428                         'GPRINT:queries_min:MIN:%5.0lf Min,',
 429                         'GPRINT:queries_avg:AVERAGE:%5.0lf Avg,',
 430                         'GPRINT:queries_max:MAX:%5.0lf Max,',
 431                         'GPRINT:queries_avg:LAST:%5.0lf Last\l'
 432                 ],
 433                 mysql_threads => [
 434                         "DEF:running_min={file}:running:MIN",
 435                         "DEF:running_avg={file}:running:AVERAGE",
 436                         "DEF:running_max={file}:running:MAX",
 437                         "DEF:connected_min={file}:connected:MIN",
 438                         "DEF:connected_avg={file}:connected:AVERAGE",
 439                         "DEF:connected_max={file}:connected:MAX",
 440                         "DEF:cached_min={file}:cached:MIN",
 441                         "DEF:cached_avg={file}:cached:AVERAGE",
 442                         "DEF:cached_max={file}:cached:MAX",
 443                         "DEF:created_min={file}:created:MIN",
 444                         "DEF:created_avg={file}:created:AVERAGE",
 445                         "DEF:created_max={file}:created:MAX",
 446                         "CDEF:unknown=created_avg,UNKN,+",
 447                         "CDEF:cached_agg=connected_avg,cached_avg,+",
 448                         "AREA:cached_agg#$HalfGreen",
 449                         "AREA:connected_avg#$HalfBlue",
 450                         "AREA:running_avg#$HalfRed",
 451                         "LINE1:cached_agg#$FullGreen:Cached   ",
 452                         'GPRINT:cached_min:MIN:%5.1lf Min,',
 453                         'GPRINT:cached_avg:AVERAGE:%5.1lf Avg,',
 454                         'GPRINT:cached_max:MAX:%5.1lf Max,',
 455                         'GPRINT:cached_avg:LAST:%5.1lf Last\l',
 456                         "LINE1:connected_avg#$FullBlue:Connected",
 457                         'GPRINT:connected_min:MIN:%5.1lf Min,',
 458                         'GPRINT:connected_avg:AVERAGE:%5.1lf Avg,',
 459                         'GPRINT:connected_max:MAX:%5.1lf Max,',
 460                         'GPRINT:connected_avg:LAST:%5.1lf Last\l',
 461                         "LINE1:running_avg#$FullRed:Running  ",
 462                         'GPRINT:running_min:MIN:%5.1lf Min,',
 463                         'GPRINT:running_avg:AVERAGE:%5.1lf Avg,',
 464                         'GPRINT:running_max:MAX:%5.1lf Max,',
 465                         'GPRINT:running_avg:LAST:%5.1lf Last\l',
 466                         "LINE1:unknown#$Canvas:Created  ",
 467                         'GPRINT:created_min:MIN:%5.0lf Min,',
 468                         'GPRINT:created_avg:AVERAGE:%5.0lf Avg,',
 469                         'GPRINT:created_max:MAX:%5.0lf Max,',
 470                         'GPRINT:created_avg:LAST:%5.0lf Last\l'
 471                 ],
 472                 nfs3_procedures => [
 473                         "DEF:null_avg={file}:null:AVERAGE",
 474                         "DEF:getattr_avg={file}:getattr:AVERAGE",
 475                         "DEF:setattr_avg={file}:setattr:AVERAGE",
 476                         "DEF:lookup_avg={file}:lookup:AVERAGE",
 477                         "DEF:access_avg={file}:access:AVERAGE",
 478                         "DEF:readlink_avg={file}:readlink:AVERAGE",
 479                         "DEF:read_avg={file}:read:AVERAGE",
 480                         "DEF:write_avg={file}:write:AVERAGE",
 481                         "DEF:create_avg={file}:create:AVERAGE",
 482                         "DEF:mkdir_avg={file}:mkdir:AVERAGE",
 483                         "DEF:symlink_avg={file}:symlink:AVERAGE",
 484                         "DEF:mknod_avg={file}:mknod:AVERAGE",
 485                         "DEF:remove_avg={file}:remove:AVERAGE",
 486                         "DEF:rmdir_avg={file}:rmdir:AVERAGE",
 487                         "DEF:rename_avg={file}:rename:AVERAGE",
 488                         "DEF:link_avg={file}:link:AVERAGE",
 489                         "DEF:readdir_avg={file}:readdir:AVERAGE",
 490                         "DEF:readdirplus_avg={file}:readdirplus:AVERAGE",
 491                         "DEF:fsstat_avg={file}:fsstat:AVERAGE",
 492                         "DEF:fsinfo_avg={file}:fsinfo:AVERAGE",
 493                         "DEF:pathconf_avg={file}:pathconf:AVERAGE",
 494                         "DEF:commit_avg={file}:commit:AVERAGE",
 495                         "DEF:null_max={file}:null:MAX",
 496                         "DEF:getattr_max={file}:getattr:MAX",
 497                         "DEF:setattr_max={file}:setattr:MAX",
 498                         "DEF:lookup_max={file}:lookup:MAX",
 499                         "DEF:access_max={file}:access:MAX",
 500                         "DEF:readlink_max={file}:readlink:MAX",
 501                         "DEF:read_max={file}:read:MAX",
 502                         "DEF:write_max={file}:write:MAX",
 503                         "DEF:create_max={file}:create:MAX",
 504                         "DEF:mkdir_max={file}:mkdir:MAX",
 505                         "DEF:symlink_max={file}:symlink:MAX",
 506                         "DEF:mknod_max={file}:mknod:MAX",
 507                         "DEF:remove_max={file}:remove:MAX",
 508                         "DEF:rmdir_max={file}:rmdir:MAX",
 509                         "DEF:rename_max={file}:rename:MAX",
 510                         "DEF:link_max={file}:link:MAX",
 511                         "DEF:readdir_max={file}:readdir:MAX",
 512                         "DEF:readdirplus_max={file}:readdirplus:MAX",
 513                         "DEF:fsstat_max={file}:fsstat:MAX",
 514                         "DEF:fsinfo_max={file}:fsinfo:MAX",
 515                         "DEF:pathconf_max={file}:pathconf:MAX",
 516                         "DEF:commit_max={file}:commit:MAX",
 517                         "CDEF:other_avg=null_avg,readlink_avg,create_avg,mkdir_avg,symlink_avg,mknod_avg,remove_avg,rmdir_avg,rename_avg,link_avg,readdir_avg,readdirplus_avg,fsstat_avg,fsinfo_avg,pathconf_avg,+,+,+,+,+,+,+,+,+,+,+,+,+,+",
 518                         "CDEF:other_max=null_max,readlink_max,create_max,mkdir_max,symlink_max,mknod_max,remove_max,rmdir_max,rename_max,link_max,readdir_max,readdirplus_max,fsstat_max,fsinfo_max,pathconf_max,+,+,+,+,+,+,+,+,+,+,+,+,+,+",
 519                         "CDEF:stack_read=read_avg",
 520                         "CDEF:stack_getattr=stack_read,getattr_avg,+",
 521                         "CDEF:stack_access=stack_getattr,access_avg,+",
 522                         "CDEF:stack_lookup=stack_access,lookup_avg,+",
 523                         "CDEF:stack_write=stack_lookup,write_avg,+",
 524                         "CDEF:stack_commit=stack_write,commit_avg,+",
 525                         "CDEF:stack_setattr=stack_commit,setattr_avg,+",
 526                         "CDEF:stack_other=stack_setattr,other_avg,+",
 527                         "AREA:stack_other#$HalfRed",
 528                         "AREA:stack_setattr#$HalfGreen",
 529                         "AREA:stack_commit#$HalfYellow",
 530                         "AREA:stack_write#$HalfGreen",
 531                         "AREA:stack_lookup#$HalfBlue",
 532                         "AREA:stack_access#$HalfMagenta",
 533                         "AREA:stack_getattr#$HalfCyan",
 534                         "AREA:stack_read#$HalfBlue",
 535                         "LINE1:stack_other#$FullRed:Other  ",
 536                         'GPRINT:other_max:MAX:%5.1lf Max,',
 537                         'GPRINT:other_avg:AVERAGE:%5.1lf Avg,',
 538                         'GPRINT:other_avg:LAST:%5.1lf Last\l',
 539                         "LINE1:stack_setattr#$FullGreen:setattr",
 540                         'GPRINT:setattr_max:MAX:%5.1lf Max,',
 541                         'GPRINT:setattr_avg:AVERAGE:%5.1lf Avg,',
 542                         'GPRINT:setattr_avg:LAST:%5.1lf Last\l',
 543                         "LINE1:stack_commit#$FullYellow:commit ",
 544                         'GPRINT:commit_max:MAX:%5.1lf Max,',
 545                         'GPRINT:commit_avg:AVERAGE:%5.1lf Avg,',
 546                         'GPRINT:commit_avg:LAST:%5.1lf Last\l',
 547                         "LINE1:stack_write#$FullGreen:write  ",
 548                         'GPRINT:write_max:MAX:%5.1lf Max,',
 549                         'GPRINT:write_avg:AVERAGE:%5.1lf Avg,',
 550                         'GPRINT:write_avg:LAST:%5.1lf Last\l',
 551                         "LINE1:stack_lookup#$FullBlue:lookup ",
 552                         'GPRINT:lookup_max:MAX:%5.1lf Max,',
 553                         'GPRINT:lookup_avg:AVERAGE:%5.1lf Avg,',
 554                         'GPRINT:lookup_avg:LAST:%5.1lf Last\l',
 555                         "LINE1:stack_access#$FullMagenta:access ",
 556                         'GPRINT:access_max:MAX:%5.1lf Max,',
 557                         'GPRINT:access_avg:AVERAGE:%5.1lf Avg,',
 558                         'GPRINT:access_avg:LAST:%5.1lf Last\l',
 559                         "LINE1:stack_getattr#$FullCyan:getattr",
 560                         'GPRINT:getattr_max:MAX:%5.1lf Max,',
 561                         'GPRINT:getattr_avg:AVERAGE:%5.1lf Avg,',
 562                         'GPRINT:getattr_avg:LAST:%5.1lf Last\l',
 563                         "LINE1:stack_read#$FullBlue:read   ",
 564                         'GPRINT:read_max:MAX:%5.1lf Max,',
 565                         'GPRINT:read_avg:AVERAGE:%5.1lf Avg,',
 566                         'GPRINT:read_avg:LAST:%5.1lf Last\l'
 567                 ],
 568                 partition => [
 569                         "DEF:rbyte_avg={file}:rbytes:AVERAGE",
 570                         "DEF:rbyte_min={file}:rbytes:MIN",
 571                         "DEF:rbyte_max={file}:rbytes:MAX",
 572                         "DEF:wbyte_avg={file}:wbytes:AVERAGE",
 573                         "DEF:wbyte_min={file}:wbytes:MIN",
 574                         "DEF:wbyte_max={file}:wbytes:MAX",
 575                         'CDEF:overlap=wbyte_avg,rbyte_avg,GT,rbyte_avg,wbyte_avg,IF',
 576                         "AREA:wbyte_avg#$HalfGreen",
 577                         "AREA:rbyte_avg#$HalfBlue",
 578                         "AREA:overlap#$HalfBlueGreen",
 579                         "LINE1:wbyte_avg#$FullGreen:Write",
 580                         'GPRINT:wbyte_min:MIN:%5.1lf%s Min,',
 581                         'GPRINT:wbyte_avg:AVERAGE:%5.1lf%s Avg,',
 582                         'GPRINT:wbyte_max:MAX:%5.1lf%s Max,',
 583                         'GPRINT:wbyte_avg:LAST:%5.1lf%s Last\l',
 584                         "LINE1:rbyte_avg#$FullBlue:Read ",
 585                         'GPRINT:rbyte_min:MIN:%5.1lf%s Min,',
 586                         'GPRINT:rbyte_avg:AVERAGE:%5.1lf%s Avg,',
 587                         'GPRINT:rbyte_max:MAX:%5.1lf%s Max,',
 588                         'GPRINT:rbyte_avg:LAST:%5.1lf%s Last\l'
 589                 ],
 590                 ping => ['DEF:ping_avg={file}:ping:AVERAGE',
 591                         'DEF:ping_min={file}:ping:MIN',
 592                         'DEF:ping_max={file}:ping:MAX',
 593                         "AREA:ping_max#$HalfBlue",
 594                         "AREA:ping_min#$Canvas",
 595                         "LINE1:ping_avg#$FullBlue:Ping",
 596                         'GPRINT:ping_min:MIN:%4.1lf ms Min,',
 597                         'GPRINT:ping_avg:AVERAGE:%4.1lf ms Avg,',
 598                         'GPRINT:ping_max:MAX:%4.1lf ms Max,',
 599                         'GPRINT:ping_avg:LAST:%4.1lf ms Last'],
 600                 processes => [
 601                         "DEF:running_avg={file}:running:AVERAGE",
 602                         "DEF:running_min={file}:running:MIN",
 603                         "DEF:running_max={file}:running:MAX",
 604                         "DEF:sleeping_avg={file}:sleeping:AVERAGE",
 605                         "DEF:sleeping_min={file}:sleeping:MIN",
 606                         "DEF:sleeping_max={file}:sleeping:MAX",
 607                         "DEF:zombies_avg={file}:zombies:AVERAGE",
 608                         "DEF:zombies_min={file}:zombies:MIN",
 609                         "DEF:zombies_max={file}:zombies:MAX",
 610                         "DEF:stopped_avg={file}:stopped:AVERAGE",
 611                         "DEF:stopped_min={file}:stopped:MIN",
 612                         "DEF:stopped_max={file}:stopped:MAX",
 613                         "DEF:paging_avg={file}:paging:AVERAGE",
 614                         "DEF:paging_min={file}:paging:MIN",
 615                         "DEF:paging_max={file}:paging:MAX",
 616                         "DEF:blocked_avg={file}:blocked:AVERAGE",
 617                         "DEF:blocked_min={file}:blocked:MIN",
 618                         "DEF:blocked_max={file}:blocked:MAX",
 619                         'CDEF:paging_acc=sleeping_avg,running_avg,stopped_avg,zombies_avg,blocked_avg,paging_avg,+,+,+,+,+',
 620                         'CDEF:blocked_acc=sleeping_avg,running_avg,stopped_avg,zombies_avg,blocked_avg,+,+,+,+',
 621                         'CDEF:zombies_acc=sleeping_avg,running_avg,stopped_avg,zombies_avg,+,+,+',
 622                         'CDEF:stopped_acc=sleeping_avg,running_avg,stopped_avg,+,+',
 623                         'CDEF:running_acc=sleeping_avg,running_avg,+',
 624                         'CDEF:sleeping_acc=sleeping_avg',
 625                         "AREA:paging_acc#$HalfYellow",
 626                         "AREA:blocked_acc#$HalfCyan",
 627                         "AREA:zombies_acc#$HalfRed",
 628                         "AREA:stopped_acc#$HalfMagenta",
 629                         "AREA:running_acc#$HalfGreen",
 630                         "AREA:sleeping_acc#$HalfBlue",
 631                         "LINE1:paging_acc#$FullYellow:Paging  ",
 632                         'GPRINT:paging_min:MIN:%5.1lf Min,',
 633                         'GPRINT:paging_avg:AVERAGE:%5.1lf Average,',
 634                         'GPRINT:paging_max:MAX:%5.1lf Max,',
 635                         'GPRINT:paging_avg:LAST:%5.1lf Last\l',
 636                         "LINE1:blocked_acc#$FullCyan:Blocked ",
 637                         'GPRINT:blocked_min:MIN:%5.1lf Min,',
 638                         'GPRINT:blocked_avg:AVERAGE:%5.1lf Average,',
 639                         'GPRINT:blocked_max:MAX:%5.1lf Max,',
 640                         'GPRINT:blocked_avg:LAST:%5.1lf Last\l',
 641                         "LINE1:zombies_acc#$FullRed:Zombies ",
 642                         'GPRINT:zombies_min:MIN:%5.1lf Min,',
 643                         'GPRINT:zombies_avg:AVERAGE:%5.1lf Average,',
 644                         'GPRINT:zombies_max:MAX:%5.1lf Max,',
 645                         'GPRINT:zombies_avg:LAST:%5.1lf Last\l',
 646                         "LINE1:stopped_acc#$FullMagenta:Stopped ",
 647                         'GPRINT:stopped_min:MIN:%5.1lf Min,',
 648                         'GPRINT:stopped_avg:AVERAGE:%5.1lf Average,',
 649                         'GPRINT:stopped_max:MAX:%5.1lf Max,',
 650                         'GPRINT:stopped_avg:LAST:%5.1lf Last\l',
 651                         "LINE1:running_acc#$FullGreen:Running ",
 652                         'GPRINT:running_min:MIN:%5.1lf Min,',
 653                         'GPRINT:running_avg:AVERAGE:%5.1lf Average,',
 654                         'GPRINT:running_max:MAX:%5.1lf Max,',
 655                         'GPRINT:running_avg:LAST:%5.1lf Last\l',
 656                         "LINE1:sleeping_acc#$FullBlue:Sleeping",
 657                         'GPRINT:sleeping_min:MIN:%5.1lf Min,',
 658                         'GPRINT:sleeping_avg:AVERAGE:%5.1lf Average,',
 659                         'GPRINT:sleeping_max:MAX:%5.1lf Max,',
 660                         'GPRINT:sleeping_avg:LAST:%5.1lf Last\l'
 661                 ],
 662                 swap => [
 663                         'DEF:used_avg={file}:used:AVERAGE',
 664                         'DEF:used_min={file}:used:MIN',
 665                         'DEF:used_max={file}:used:MAX',
 666                         'DEF:free_avg={file}:free:AVERAGE',
 667                         'DEF:free_min={file}:free:MIN',
 668                         'DEF:free_max={file}:free:MAX',
 669                         'DEF:cach_avg={file}:cached:AVERAGE',
 670                         'DEF:cach_min={file}:cached:MIN',
 671                         'DEF:cach_max={file}:cached:MAX',
 672                         'DEF:resv_avg={file}:resv:AVERAGE',
 673                         'DEF:resv_min={file}:resv:MIN',
 674                         'DEF:resv_max={file}:resv:MAX',
 675                         'CDEF:cach_avg_notnull=cach_avg,UN,0,cach_avg,IF',
 676                         'CDEF:resv_avg_notnull=resv_avg,UN,0,resv_avg,IF',
 677                         'CDEF:used_acc=used_avg',
 678                         'CDEF:resv_acc=used_acc,resv_avg_notnull,+',
 679                         'CDEF:cach_acc=resv_acc,cach_avg_notnull,+',
 680                         'CDEF:free_acc=cach_acc,free_avg,+',
 681                         "AREA:free_acc#$HalfGreen",
 682                         "AREA:cach_acc#$HalfBlue",
 683                         "AREA:resv_acc#$HalfYellow",
 684                         "AREA:used_acc#$HalfRed",
 685                         "LINE1:free_acc#$FullGreen:Free    ",
 686                         'GPRINT:free_min:MIN:%5.1lf%s Min,',
 687                         'GPRINT:free_avg:AVERAGE:%5.1lf%s Avg,',
 688                         'GPRINT:free_max:MAX:%5.1lf%s Max,',
 689                         'GPRINT:free_avg:LAST:%5.1lf%s Last\n',
 690                         "LINE1:cach_acc#$FullBlue:Cached  ",
 691                         'GPRINT:cach_min:MIN:%5.1lf%s Min,',
 692                         'GPRINT:cach_avg:AVERAGE:%5.1lf%s Avg,',
 693                         'GPRINT:cach_max:MAX:%5.1lf%s Max,',
 694                         'GPRINT:cach_avg:LAST:%5.1lf%s Last\l',
 695                         "LINE1:resv_acc#$FullYellow:Reserved",
 696                         'GPRINT:resv_min:MIN:%5.1lf%s Min,',
 697                         'GPRINT:resv_avg:AVERAGE:%5.1lf%s Avg,',
 698                         'GPRINT:resv_max:MAX:%5.1lf%s Max,',
 699                         'GPRINT:resv_avg:LAST:%5.1lf%s Last\n',
 700                         "LINE1:used_acc#$FullRed:Used    ",
 701                         'GPRINT:used_min:MIN:%5.1lf%s Min,',
 702                         'GPRINT:used_avg:AVERAGE:%5.1lf%s Avg,',
 703                         'GPRINT:used_max:MAX:%5.1lf%s Max,',
 704                         'GPRINT:used_avg:LAST:%5.1lf%s Last\l'
 705                 ],
 706                 temperature => [
 707                         'DEF:temp_avg={file}:value:AVERAGE',
 708                         'DEF:temp_min={file}:value:MIN',
 709                         'DEF:temp_max={file}:value:MAX',
 710                         "AREA:temp_max#$HalfBlue",
 711                         "AREA:temp_min#$Canvas",
 712                         "LINE1:temp_avg#$FullBlue:Value",
 713                         'GPRINT:temp_min:MIN:%4.1lf Min,',
 714                         'GPRINT:temp_avg:AVERAGE:%4.1lf Avg,',
 715                         'GPRINT:temp_max:MAX:%4.1lf Max,',
 716                         'GPRINT:temp_avg:LAST:%4.1lf Last\l'
 717                 ],
 718                 time_offset => [ # NTPd
 719                         'DEF:ms_avg={file}:ms:AVERAGE',
 720                         'DEF:ms_min={file}:ms:MIN',
 721                         'DEF:ms_max={file}:ms:MAX',
 722                         'CDEF:s_avg=ms_avg,1000,/',
 723                         'CDEF:s_min=ms_min,1000,/',
 724                         'CDEF:s_max=ms_max,1000,/',
 725                         "AREA:s_max#$HalfBlue",
 726                         "AREA:s_min#$Canvas",
 727                         "LINE1:s_avg#$FullBlue:{inst}",
 728                         'GPRINT:s_min:MIN:%7.3lf%s Min,',
 729                         'GPRINT:s_avg:AVERAGE:%7.3lf%s Avg,',
 730                         'GPRINT:s_max:MAX:%7.3lf%s Max,',
 731                         'GPRINT:s_avg:LAST:%7.3lf%s Last'
 732                 ],
 733                 traffic => ['DEF:out_min_raw={file}:outgoing:MIN',
 734                         'DEF:out_avg_raw={file}:outgoing:AVERAGE',
 735                         'DEF:out_max_raw={file}:outgoing:MAX',
 736                         'DEF:inc_min_raw={file}:incoming:MIN',
 737                         'DEF:inc_avg_raw={file}:incoming:AVERAGE',
 738                         'DEF:inc_max_raw={file}:incoming:MAX',
 739                         'CDEF:out_min=out_min_raw,8,*',
 740                         'CDEF:out_avg=out_avg_raw,8,*',
 741                         'CDEF:out_max=out_max_raw,8,*',
 742                         'CDEF:inc_min=inc_min_raw,8,*',
 743                         'CDEF:inc_avg=inc_avg_raw,8,*',
 744                         'CDEF:inc_max=inc_max_raw,8,*',
 745                         'CDEF:overlap=out_avg,inc_avg,GT,inc_avg,out_avg,IF',
 746                         'CDEF:mytime=out_avg_raw,TIME,TIME,IF',
 747                         'CDEF:sample_len_raw=mytime,PREV(mytime),-',
 748                         'CDEF:sample_len=sample_len_raw,UN,0,sample_len_raw,IF',
 749                         'CDEF:out_avg_sample=out_avg_raw,UN,0,out_avg_raw,IF,sample_len,*',
 750                         'CDEF:out_avg_sum=PREV,UN,0,PREV,IF,out_avg_sample,+',
 751                         'CDEF:inc_avg_sample=inc_avg_raw,UN,0,inc_avg_raw,IF,sample_len,*',
 752                         'CDEF:inc_avg_sum=PREV,UN,0,PREV,IF,inc_avg_sample,+',
 753                         "AREA:out_avg#$HalfGreen",
 754                         "AREA:inc_avg#$HalfBlue",
 755                         "AREA:overlap#$HalfBlueGreen",
 756                         "LINE1:out_avg#$FullGreen:Outgoing",
 757                         'GPRINT:out_avg:AVERAGE:%5.1lf%s Avg,',
 758                         'GPRINT:out_max:MAX:%5.1lf%s Max,',
 759                         'GPRINT:out_avg:LAST:%5.1lf%s Last',
 760                         'GPRINT:out_avg_sum:LAST:(ca. %5.1lf%sB Total)\l',
 761                         "LINE1:inc_avg#$FullBlue:Incoming",
 762                         #'GPRINT:inc_min:MIN:%5.1lf %s Min,',
 763                         'GPRINT:inc_avg:AVERAGE:%5.1lf%s Avg,',
 764                         'GPRINT:inc_max:MAX:%5.1lf%s Max,',
 765                         'GPRINT:inc_avg:LAST:%5.1lf%s Last',
 766                         'GPRINT:inc_avg_sum:LAST:(ca. %5.1lf%sB Total)\l'
 767                 ],
 768                 cpufreq => [
 769                         'DEF:cpufreq_avg={file}:value:AVERAGE',
 770                         'DEF:cpufreq_min={file}:value:MIN',
 771                         'DEF:cpufreq_max={file}:value:MAX',
 772                         "AREA:cpufreq_max#$HalfBlue",
 773                         "AREA:cpufreq_min#$Canvas",
 774                         "LINE1:cpufreq_avg#$FullBlue:Frequency",
 775                         'GPRINT:cpufreq_min:MIN:%5.1lf%s Min,',
 776                         'GPRINT:cpufreq_avg:AVERAGE:%5.1lf%s Avg,',
 777                         'GPRINT:cpufreq_max:MAX:%5.1lf%s Max,',
 778                         'GPRINT:cpufreq_avg:LAST:%5.1lf%s Last\l'
 779                 ],
 780                 users => [
 781                             'DEF:users_avg={file}:users:AVERAGE',
 782                             'DEF:users_min={file}:users:MIN',
 783                             'DEF:users_max={file}:users:MAX',
 784                             "AREA:users_max#$HalfBlue",
 785                             "AREA:users_min#$Canvas",
 786                             "LINE1:users_avg#$FullBlue:Users",
 787                             'GPRINT:users_min:MIN:%4.1lf Min,',
 788                             'GPRINT:users_avg:AVERAGE:%4.1lf Average,',
 789                             'GPRINT:users_max:MAX:%4.1lf Max,',
 790                             'GPRINT:users_avg:LAST:%4.1lf Last\l'
 791                 ],
 792                 voltage => [
 793                         'DEF:avg={file}:voltage:AVERAGE',
 794                         'DEF:min={file}:voltage:MIN',
 795                         'DEF:max={file}:voltage:MAX',
 796                         "AREA:max#$HalfBlue",
 797                         "AREA:min#$Canvas",
 798                         "LINE1:avg#$FullBlue:Voltage",
 799                         'GPRINT:min:MIN:%5.1lf%sV Min,',
 800                         'GPRINT:avg:AVERAGE:%5.1lf%sV Avg,',
 801                         'GPRINT:max:MAX:%5.1lf%sV Max,',
 802                         'GPRINT:avg:LAST:%5.1lf%sV Last\l'
 803                 ],
 804                 apcups_volt => [
 805                         'DEF:line_avg={file}:linev:AVERAGE',
 806                         'DEF:line_min={file}:linev:MIN',
 807                         'DEF:line_max={file}:linev:MAX',
 808                         'DEF:out_avg={file}:outputv:AVERAGE',
 809                         'DEF:out_min={file}:outputv:MIN',
 810                         'DEF:out_max={file}:outputv:MAX',
 811                         #"AREA:line_max#$HalfBlue",
 812                         #"AREA:line_min#$Canvas",
 813                         #"AREA:out_avg#$HalfGreen",
 814                         "LINE1:line_avg#$FullBlue:Line Volt",
 815                         'GPRINT:line_min:MIN:%5.1lf%sV Min,',
 816                         'GPRINT:line_avg:AVERAGE:%5.1lf%sV Avg,',
 817                         'GPRINT:line_max:MAX:%5.1lf%sV Max,',
 818                         'GPRINT:line_avg:LAST:%5.1lf%sV Last\l',
 819                         "LINE2:out_avg#$FullGreen:Out  Volt",
 820                         'GPRINT:out_min:MIN:%5.1lf%sV Min,',
 821                         'GPRINT:out_avg:AVERAGE:%5.1lf%sV Avg,',
 822                         'GPRINT:out_max:MAX:%5.1lf%sV Max,',
 823                         'GPRINT:out_avg:LAST:%5.1lf%sV Last\l'
 824                 ],
 825                 apcups_bvolt => [
 826                         'DEF:bvolt_avg={file}:battv:AVERAGE',
 827                         'DEF:bvolt_min={file}:battv:MIN',
 828                         'DEF:bvolt_max={file}:battv:MAX',
 829                         "AREA:bvolt_max#$HalfBlue",
 830                         "LINE1:bvolt_avg#$FullBlue:Batt Volt",
 831                         'GPRINT:bvolt_min:MIN:%5.1lf%sV Min,',
 832                         'GPRINT:bvolt_avg:AVERAGE:%5.1lf%sV Avg,',
 833                         'GPRINT:bvolt_max:MAX:%5.1lf%sV Max,',
 834                         'GPRINT:bvolt_avg:LAST:%5.1lf%sV Last\l',
 835                 ],
 836                 apcups_load => [
 837                         'DEF:load_avg={file}:loadpct:AVERAGE',
 838                         'DEF:load_min={file}:loadpct:MIN',
 839                         'DEF:load_max={file}:loadpct:MAX',
 840                         "AREA:load_max#$HalfBlue",
 841                         "LINE1:load_avg#$FullBlue:Batt load",
 842                         'GPRINT:load_min:MIN:%5.1lf%s%% Min,',
 843                         'GPRINT:load_avg:AVERAGE:%5.1lf%s%% Avg,',
 844                         'GPRINT:load_max:MAX:%5.1lf%s%% Max,',
 845                         'GPRINT:load_avg:LAST:%5.1lf%s%% Last\l',
 846                 ],
 847                 apcups_charge => [
 848                         'DEF:charge_avg={file}:bcharge:AVERAGE',
 849                         'DEF:charge_min={file}:bcharge:MIN',
 850                         'DEF:charge_max={file}:bcharge:MAX',
 851                         "AREA:charge_max#$HalfBlue",
 852                         "LINE1:charge_avg#$FullBlue:Batt Charge",
 853                         'GPRINT:charge_min:MIN:%5.1lf%s%% Min,',
 854                         'GPRINT:charge_avg:AVERAGE:%5.1lf%s%% Avg,',
 855                         'GPRINT:charge_max:MAX:%5.1lf%s%% Max,',
 856                         'GPRINT:charge_avg:LAST:%5.1lf%s%% Last\l',
 857                 ],
 858                 apcups_time => [
 859                         'DEF:time_avg={file}:timeleft:AVERAGE',
 860                         'DEF:time_min={file}:timeleft:MIN',
 861                         'DEF:time_max={file}:timeleft:MAX',
 862                         "AREA:time_max#$HalfBlue",
 863                         "LINE1:time_avg#$FullBlue:Time Avail",
 864                         'GPRINT:time_min:MIN:%5.1lf%smin Min,',
 865                         'GPRINT:time_avg:AVERAGE:%5.1lf%smin Avg,',
 866                         'GPRINT:time_max:MAX:%5.1lf%smin Max,',
 867                         'GPRINT:time_avg:LAST:%5.1lf%smin Last\l',
 868                 ],
 869                 apcups_temp => [
 870                         'DEF:temp_avg={file}:itemp:AVERAGE',
 871                         'DEF:temp_min={file}:itemp:MIN',
 872                         'DEF:temp_max={file}:itemp:MAX',
 873                         "AREA:temp_max#$HalfBlue",
 874                         "LINE1:temp_avg#$FullBlue:Temp Avail",
 875                         'GPRINT:temp_min:MIN:%5.1lf%s° Min,',
 876                         'GPRINT:temp_avg:AVERAGE:%5.1lf%s° Avg,',
 877                         'GPRINT:temp_max:MAX:%5.1lf%s° Max,',
 878                         'GPRINT:temp_avg:LAST:%5.1lf%s° Last\l',
 879                 ],
 880                 apcups_freq => [
 881                         'DEF:freq_avg={file}:linefreq:AVERAGE',
 882                         'DEF:freq_min={file}:linefreq:MIN',
 883                         'DEF:freq_max={file}:linefreq:MAX',
 884                         "AREA:freq_max#$HalfBlue",
 885                         "LINE1:freq_avg#$FullBlue:Line Freq",
 886                         'GPRINT:freq_min:MIN:%5.1lf%sHz Min,',
 887                         'GPRINT:freq_avg:AVERAGE:%5.1lf%sHz Avg,',
 888                         'GPRINT:freq_max:MAX:%5.1lf%sHz Max,',
 889                         'GPRINT:freq_avg:LAST:%5.1lf%sHz Last\l',
 890                 ],
 891                 vs_threads => [
 892                         "DEF:total_avg={file}:total:AVERAGE",
 893                         "DEF:total_min={file}:total:MIN",
 894                         "DEF:total_max={file}:total:MAX",
 895                         "DEF:running_avg={file}:running:AVERAGE",
 896                         "DEF:running_min={file}:running:MIN",
 897                         "DEF:running_max={file}:running:MAX",
 898                         "DEF:uninterruptible_avg={file}:uninterruptible:AVERAGE",
 899                         "DEF:uninterruptible_min={file}:uninterruptible:MIN",
 900                         "DEF:uninterruptible_max={file}:uninterruptible:MAX",
 901                         "DEF:onhold_avg={file}:onhold:AVERAGE",
 902                         "DEF:onhold_min={file}:onhold:MIN",
 903                         "DEF:onhold_max={file}:onhold:MAX",
 904                         "LINE1:total_avg#$FullYellow:Total   ",
 905                         'GPRINT:total_min:MIN:%5.1lf Min,',
 906                         'GPRINT:total_avg:AVERAGE:%5.1lf Avg.,',
 907                         'GPRINT:total_max:MAX:%5.1lf Max,',
 908                         'GPRINT:total_avg:LAST:%5.1lf Last\l',
 909                         "LINE1:running_avg#$FullRed:Running ",
 910                         'GPRINT:running_min:MIN:%5.1lf Min,',
 911                         'GPRINT:running_avg:AVERAGE:%5.1lf Avg.,',
 912                         'GPRINT:running_max:MAX:%5.1lf Max,',
 913                         'GPRINT:running_avg:LAST:%5.1lf Last\l',
 914                         "LINE1:uninterruptible_avg#$FullGreen:Unintr  ",
 915                         'GPRINT:uninterruptible_min:MIN:%5.1lf Min,',
 916                         'GPRINT:uninterruptible_avg:AVERAGE:%5.1lf Avg.,',
 917                         'GPRINT:uninterruptible_max:MAX:%5.1lf Max,',
 918                         'GPRINT:uninterruptible_avg:LAST:%5.1lf Last\l',
 919                         "LINE1:onhold_avg#$FullBlue:Onhold  ",
 920                         'GPRINT:onhold_min:MIN:%5.1lf Min,',
 921                         'GPRINT:onhold_avg:AVERAGE:%5.1lf Avg.,',
 922                         'GPRINT:onhold_max:MAX:%5.1lf Max,',
 923                         'GPRINT:onhold_avg:LAST:%5.1lf Last\l'
 924                 ],
 925                 vs_memory => [
 926                         'DEF:vm_avg={file}:vm:AVERAGE',
 927                         'DEF:vm_min={file}:vm:MIN',
 928                         'DEF:vm_max={file}:vm:MAX',
 929                         'DEF:vml_avg={file}:vml:AVERAGE',
 930                         'DEF:vml_min={file}:vml:MIN',
 931                         'DEF:vml_max={file}:vml:MAX',
 932                         'DEF:rss_avg={file}:rss:AVERAGE',
 933                         'DEF:rss_min={file}:rss:MIN',
 934                         'DEF:rss_max={file}:rss:MAX',
 935                         'DEF:anon_avg={file}:anon:AVERAGE',
 936                         'DEF:anon_min={file}:anon:MIN',
 937                         'DEF:anon_max={file}:anon:MAX',
 938                         "LINE1:vm_avg#$FullYellow:VM     ",
 939                         'GPRINT:vm_min:MIN:%5.1lf%s Min,',
 940                         'GPRINT:vm_avg:AVERAGE:%5.1lf%s Avg.,',
 941                         'GPRINT:vm_max:MAX:%5.1lf%s Avg.,',
 942                         'GPRINT:vm_avg:LAST:%5.1lf%s Last\l',
 943                         "LINE1:vml_avg#$FullRed:Locked ",
 944                         'GPRINT:vml_min:MIN:%5.1lf%s Min,',
 945                         'GPRINT:vml_avg:AVERAGE:%5.1lf%s Avg.,',
 946                         'GPRINT:vml_max:MAX:%5.1lf%s Avg.,',
 947                         'GPRINT:vml_avg:LAST:%5.1lf%s Last\l',
 948                         "LINE1:rss_avg#$FullGreen:RSS    ",
 949                         'GPRINT:rss_min:MIN:%5.1lf%s Min,',
 950                         'GPRINT:rss_avg:AVERAGE:%5.1lf%s Avg.,',
 951                         'GPRINT:rss_max:MAX:%5.1lf%s Avg.,',
 952                         'GPRINT:rss_avg:LAST:%5.1lf%s Last\l',
 953                         "LINE1:anon_avg#$FullBlue:Anon.  ",
 954                         'GPRINT:anon_min:MIN:%5.1lf%s Min,',
 955                         'GPRINT:anon_avg:AVERAGE:%5.1lf%s Avg.,',
 956                         'GPRINT:anon_max:MAX:%5.1lf%s Avg.,',
 957                         'GPRINT:anon_avg:LAST:%5.1lf%s Last\l',
 958                 ],
 959                 vs_processes => [
 960                         'DEF:proc_avg={file}:total:AVERAGE',
 961                         'DEF:proc_min={file}:total:MIN',
 962                         'DEF:proc_max={file}:total:MAX',
 963                         "AREA:proc_max#$HalfBlue",
 964                         "AREA:proc_min#$Canvas",
 965                         "LINE1:proc_avg#$FullBlue:Processes",
 966                         'GPRINT:proc_min:MIN:%4.1lf Min,',
 967                         'GPRINT:proc_avg:AVERAGE:%4.1lf Avg.,',
 968                         'GPRINT:proc_max:MAX:%4.1lf Max,',
 969                         'GPRINT:proc_avg:LAST:%4.1lf Last\l'
 970                 ],
 971         };
 972         $GraphDefs->{'disk'} = $GraphDefs->{'partition'};
 973         $GraphDefs->{'meminfo'} = $GraphDefs->{'memory'};
 974         $GraphDefs->{'sensors'} = $GraphDefs->{'temperature'};
 975
 976         $GraphDefs->{'delay'}           = $GraphDefs->{'time_offset'};
 977         $GraphDefs->{'time_dispersion'} = $GraphDefs->{'time_offset'};
 978 }
 979
 980 our $GraphArgs =
 981 {
 982         apache_bytes => ['-t', 'apache traffic', '-v', 'Bit/s'],
 983         apache_requests => ['-t', 'apache requests', '-v', 'Requests/s'],
 984         apache_scoreboard => ['-t', 'apache scoreboard {inst}', '-v', 'Processes'],
 985         charge => ['-t', '{host} charge', '-v', 'Ampere hours'],
 986         cpu => ['-t', '{host} cpu{inst} usage', '-v', 'Percent', '-l', '0'],
 987         cpufreq => ['-t', '{host} cpu{inst} usage', '-v', 'Mhz'],
 988         current => ['-t', '{host} current', '-v', 'Ampere'],
 989         #disk => ['-t', '{host} disk {inst} IO wait', '-v', 'Seconds'],
 990         delay => ['-t', 'NTPd peer delay ({inst})', '-v', 'Seconds'],
 991         df => ['-t', '{host}:{inst} usage', '-v', 'Percent', '-l', '0'],
 992         disk => ['-t', '{host} disk {inst} usage', '-v', 'Byte/s'],
 993         fanspeed => ['-t', '{host} fanspeed {inst}', '-v', 'rpm'],
 994         frequency_offset => ['-t', 'NTPd frequency offset ({inst})', '-v', 'Parts per million'],
 995         hddtemp => ['-t', '{host} hdd temperature {inst}', '-v', '°Celsius'],
 996         load => ['-t', '{host} load average', '-v', 'System load', '-X', '0'],
 997         mails   => ['-t', '{host} mail count', '-v', 'Amount', '-X', '0'],
 998         memory => ['-t', '{host} memory usage', '-v', 'Bytes', '-b', '1024', '-l', '0'],
 999         mysql_commands => ['-t', 'mysql command {inst}', '-v', 'Issues/s' ],
1000         mysql_handler => ['-t', 'mysql handler {inst}', '-v', 'Issues/s' ],
1001         mysql_qcache => ['-t', 'mysql query cache', '-v', 'Queries/s' ],
1002         mysql_threads => ['-t', 'mysql threads', '-v', 'Threads' ],
1003         nfs3_procedures => ['-t', '{host} NFSv3 {inst} procedures', '-v', 'Procedures/s' ],
1004         partition => ['-t', '{host} partition {inst} usage', '-v', 'Byte/s'],
1005         ping => ['-t', '{host} ping to {inst}', '-v', 'ms'],
1006         processes => ['-t', '{host} processes', '-v', 'Processes'],
1007         sensors => ['-t', '{host} sensor {inst}', '-v', '°Celsius'],
1008         swap => ['-t', '{host} swap usage', '-v', 'Bytes', '-b', '1024', '-l', '0'],
1009         temperature => ['-t', '{host} temperature {inst}', '-v', '°Celsius'],
1010         time_offset => ['-t', 'NTPd time offset ({inst})', '-v', 'Seconds'],
1011         time_dispersion => ['-t', 'NTPd time dispersion ({inst})', '-v', 'Seconds'],
1012         traffic => ['-t', '{host} {inst} traffic', '-v', 'Bit/s'],
1013         users => ['-t', '{host} users', '-v', 'Users'],
1014         voltage => ['-t', '{host} voltage', '-v', 'Volts'],
1015         apcups_volt => ['-t', '{host} APC voltage {inst}', '-v', 'Volts AC'],
1016         apcups_bvolt => ['-t', '{host} APC Batt voltage {inst}', '-v', 'Volts DC'],
1017         apcups_load => ['-t', '{host} APC Load {inst}', '-v', 'Percent'],
1018         apcups_charge => ['-t', '{host} APC Batt Charge {inst}', '-v', 'Percent'],
1019         apcups_time => ['-t', '{host} APC Time Left {inst}', '-v', 'Minutes'],
1020         apcups_temp => ['-t', '{host} APC Internal Temp {inst}', '-v', '°Celsius'],
1021         apcups_freq => ['-t', '{host} APC Line Freq {inst}', '-v', 'Hz'],
1022         vs_threads => ['-t', '{host} threads', '-v', 'Threads'],
1023         vs_memory => ['-t', '{host} memory usage', '-v', 'Bytes'],
1024         vs_processes => ['-t', '{host} processes', '-v', 'Processes'],
1025 };
1026
1027 our $GraphMulti =
1028 {
1029         apache_scoreboard => \&output_graph_apache_scoreboard,
1030         cpu     => \&output_graph_cpu,
1031         cpufreq => 1,
1032         disk    => 1,
1033         apcups_volt => 1,
1034         apcups_bvolt => 1,
1035         apcups_load => 1,
1036         apcups_charge => 1,
1037         apcups_time => 1,
1038         apcups_temp => 1,
1039         apcups_freq => 1,
1040         load    => 0,
1041         mails   => 0,
1042         memory  => 0,
1043         mysql_commands => \&output_graph_mysql_commands,
1044         mysql_handler => \&output_graph_mysql_handler,
1045         partition => 1,
1046         ping    => \&output_graph_ping,
1047         sensors => 1,
1048         traffic => 1,
1049         users => 1
1050 };
1051
1052 our @Info;
1053 if (defined ($ENV{'GATEWAY_INTERFACE'}))
1054 {
1055         @Info = ($ENV{'PATH_INFO'} || '') =~ m#([\w\-\.]+)#g;
1056 }
1057 else
1058 {
1059         @Info = @ARGV;
1060 }
1061
1062 parse_pathinfo (@Info);
1063
1064 if ($TimeSpan)
1065 {
1066         output_graph ();
1067 }
1068 else
1069 {
1070         output_page ();
1071 }
1072
1073 exit (0);
1074
1075 sub output_graph_cpu
1076 {
1077         my @inst = @_;
1078         my @ret = ();
1079
1080         die if (@inst < 2);
1081
1082         for (@inst)
1083         {
1084                 push (@ret,
1085                         "DEF:user_avg_$_=$AbsDir/cpu-$_.rrd:user:AVERAGE",
1086                         "DEF:user_min_$_=$AbsDir/cpu-$_.rrd:user:MIN",
1087                         "DEF:user_max_$_=$AbsDir/cpu-$_.rrd:user:MAX",
1088                         "DEF:nice_avg_$_=$AbsDir/cpu-$_.rrd:nice:AVERAGE",
1089                         "DEF:nice_min_$_=$AbsDir/cpu-$_.rrd:nice:MIN",
1090                         "DEF:nice_max_$_=$AbsDir/cpu-$_.rrd:nice:MAX",
1091                         "DEF:syst_avg_$_=$AbsDir/cpu-$_.rrd:syst:AVERAGE",
1092                         "DEF:syst_min_$_=$AbsDir/cpu-$_.rrd:syst:MIN",
1093                         "DEF:syst_max_$_=$AbsDir/cpu-$_.rrd:syst:MAX",
1094                         "DEF:wait_avg_$_=$AbsDir/cpu-$_.rrd:wait:AVERAGE",
1095                         "DEF:wait_min_$_=$AbsDir/cpu-$_.rrd:wait:MIN",
1096                         "DEF:wait_max_$_=$AbsDir/cpu-$_.rrd:wait:MAX");
1097         }
1098
1099         for (qw(user nice syst wait))
1100         {
1101                 my $def = $_;
1102                 my $cdef;
1103
1104                 my $default_value = ($def eq 'user' or $def eq 'syst') ? 'UNKN' : '0';
1105
1106                 for (qw(avg min max))
1107                 {
1108                         my $cf = $_;
1109
1110                         for (@inst)
1111                         {
1112                                 push (@ret, "CDEF:${def}_${cf}_notnull_${_}=${def}_${cf}_${_},UN,0,${def}_${cf}_${_},IF");
1113                                 push (@ret, "CDEF:${def}_${cf}_defined_${_}=${def}_${cf}_${_},UN,0,1,IF");
1114                         }
1115
1116                         $cdef = "CDEF:${def}_${cf}_num=" . join (',', map { "${def}_${cf}_defined_${_}" } (@inst));
1117                         $cdef .= ',+' x (scalar (@inst) - 1);
1118                         push (@ret, $cdef);
1119
1120                         $cdef = "CDEF:${def}_${cf}=${def}_${cf}_num," . join (',', map { "${def}_${cf}_notnull_${_}" } (@inst));
1121                         $cdef .= ',+' x (scalar (@inst) - 1);
1122                         $cdef .= ",${def}_${cf}_num,${def}_${cf}_num,1,IF,/,$default_value,IF";
1123                         push (@ret, $cdef);
1124                         push (@ret, "CDEF:${def}_${cf}_notnull=${def}_${cf},UN,0,${def}_${cf},IF");
1125                 }
1126         }
1127
1128         push (@ret,
1129                 "CDEF:nice_acc=syst_avg_notnull,wait_avg_notnull,user_avg_notnull,nice_avg_notnull,+,+,+",
1130                 "CDEF:user_acc=syst_avg_notnull,wait_avg_notnull,user_avg_notnull,+,+",
1131                 "CDEF:wait_acc=syst_avg_notnull,wait_avg_notnull,+",
1132                 "CDEF:syst_acc=syst_avg_notnull");
1133
1134         push (@ret, grep { $_ !~ m/^C?DEF/ } (@{$GraphDefs->{'cpu'}}));
1135
1136         return (@ret);
1137 }
1138
1139 sub output_graph_apache_scoreboard
1140 {
1141         my @inst = @_;
1142         my @ret = ();
1143
1144         die if (@inst < 2);
1145
1146         my @colors = get_n_colors (scalar (@inst));
1147
1148         for (my $i = 0; $i < scalar (@inst); $i++)
1149         {
1150                 my $inst = $inst[$i];
1151                 push (@ret,
1152                         "DEF:avg_$i=$AbsDir/apache_scoreboard-$inst.rrd:count:AVERAGE",
1153                         "DEF:min_$i=$AbsDir/apache_scoreboard-$inst.rrd:count:MIN",
1154                         "DEF:max_$i=$AbsDir/apache_scoreboard-$inst.rrd:count:MAX");
1155         }
1156
1157         for (my $i = 0; $i < scalar (@inst); $i++)
1158         {
1159                 my $inst = $inst[$i];
1160                 my $color = $colors[$i];
1161
1162                 if (length ($inst) > 15)
1163                 {
1164                         $inst = substr ($inst, 0, 12) . '...';
1165                 }
1166                 else
1167                 {
1168                         $inst = sprintf ('%-15s', $inst);
1169                 }
1170
1171                 push (@ret,
1172                         "LINE1:avg_$i#$color:$inst",
1173                         "GPRINT:min_$i:MIN:%6.2lf Min,",
1174                         "GPRINT:avg_$i:AVERAGE:%6.2lf Avg,",
1175                         "GPRINT:max_$i:MAX:%6.2lf Max,",
1176                         "GPRINT:avg_$i:LAST:%6.2lf Last\\l");
1177         }
1178
1179         return (@ret);
1180 }
1181
1182 sub output_graph_ping
1183 {
1184         my @inst = @_;
1185         my @ret = ();
1186
1187         die if (@inst < 2);
1188
1189         my @colors = get_n_colors (scalar (@inst));
1190
1191         for (my $i = 0; $i < scalar (@inst); $i++)
1192         {
1193                 my $inst = $inst[$i];
1194                 push (@ret,
1195                         "DEF:avg_$i=$AbsDir/ping-$inst.rrd:ping:AVERAGE",
1196                         "DEF:min_$i=$AbsDir/ping-$inst.rrd:ping:MIN",
1197                         "DEF:max_$i=$AbsDir/ping-$inst.rrd:ping:MAX");
1198         }
1199
1200         for (my $i = 0; $i < scalar (@inst); $i++)
1201         {
1202                 my $inst = $inst[$i];
1203                 my $color = $colors[$i];
1204
1205                 if (length ($inst) > 15)
1206                 {
1207                         $inst = substr ($inst, 0, 12) . '...';
1208                 }
1209                 else
1210                 {
1211                         $inst = sprintf ('%-15s', $inst);
1212                 }
1213
1214                 push (@ret,
1215                         "LINE1:avg_$i#$color:$inst",
1216                         "GPRINT:min_$i:MIN:%4.1lf ms Min,",
1217                         "GPRINT:avg_$i:AVERAGE:%4.1lf ms Avg,",
1218                         "GPRINT:max_$i:MAX:%4.1lf ms Max,",
1219                         "GPRINT:avg_$i:LAST:%4.1lf ms Last\\l");
1220         }
1221
1222         return (@ret);
1223 }
1224
1225 sub output_graph_mysql_commands
1226 {
1227         my @inst = @_;
1228         my @ret = ();
1229
1230         die if (@inst < 2);
1231
1232         my @colors = get_n_colors (scalar (@inst));
1233
1234         for (my $i = 0; $i < scalar (@inst); $i++)
1235         {
1236                 my $inst = $inst[$i];
1237                 push (@ret,
1238                         "DEF:avg_$i=$AbsDir/mysql_commands-$inst.rrd:value:AVERAGE",
1239                         "DEF:min_$i=$AbsDir/mysql_commands-$inst.rrd:value:MIN",
1240                         "DEF:max_$i=$AbsDir/mysql_commands-$inst.rrd:value:MAX");
1241         }
1242
1243         for (my $i = 0; $i < scalar (@inst); $i++)
1244         {
1245                 my $inst = $inst[$i];
1246                 my $color = $colors[$i];
1247
1248                 if (length ($inst) > 18)
1249                 {
1250                         $inst = substr ($inst, 0, 15) . '...';
1251                 }
1252                 else
1253                 {
1254                         $inst = sprintf ('%-18s', $inst);
1255                 }
1256
1257                 push (@ret,
1258                         "LINE1:avg_$i#$color:$inst",
1259                         "GPRINT:min_$i:MIN:%6.1lf Min,",
1260                         "GPRINT:avg_$i:AVERAGE:%6.1lf Avg,",
1261                         "GPRINT:max_$i:MAX:%6.1lf Max,",
1262                         "GPRINT:avg_$i:LAST:%6.1lf Last\\l");
1263         }
1264
1265         return (@ret);
1266 }
1267
1268 sub output_graph_mysql_handler
1269 {
1270         my @inst = @_;
1271         my @ret = ();
1272
1273         die if (@inst < 2);
1274
1275         my @colors = get_n_colors (scalar (@inst));
1276
1277         for (my $i = 0; $i < scalar (@inst); $i++)
1278         {
1279                 my $inst = $inst[$i];
1280                 push (@ret,
1281                         "DEF:avg_$i=$AbsDir/mysql_handler-$inst.rrd:value:AVERAGE",
1282                         "DEF:min_$i=$AbsDir/mysql_handler-$inst.rrd:value:MIN",
1283                         "DEF:max_$i=$AbsDir/mysql_handler-$inst.rrd:value:MAX");
1284         }
1285
1286         for (my $i = 0; $i < scalar (@inst); $i++)
1287         {
1288                 my $inst = $inst[$i];
1289                 my $color = $colors[$i];
1290
1291                 if (length ($inst) > 18)
1292                 {
1293                         $inst = substr ($inst, 0, 15) . '...';
1294                 }
1295                 else
1296                 {
1297                         $inst = sprintf ('%-18s', $inst);
1298                 }
1299
1300                 push (@ret,
1301                         "LINE1:avg_$i#$color:$inst",
1302                         "GPRINT:min_$i:MIN:%6.1lf Min,",
1303                         "GPRINT:avg_$i:AVERAGE:%6.1lf Avg,",
1304                         "GPRINT:max_$i:MAX:%6.1lf Max,",
1305                         "GPRINT:avg_$i:LAST:%6.1lf Last\\l");
1306         }
1307
1308         return (@ret);
1309 }
1310
1311 sub output_graph
1312 {
1313         die unless (defined ($GraphDefs->{$Type}));
1314
1315         my $host;
1316         my @cmd = ();
1317         my $file = $AbsDir . '/';
1318         my $files = get_all_files ($AbsDir);
1319
1320         #
1321         # get hostname
1322         #
1323         if ($RelDir =~ m#([^/]+)$#)
1324         {
1325                 $host = $1;
1326         }
1327         else
1328         {
1329                 $host = $Config->{'HostName'};
1330         }
1331
1332         #
1333         # get timespan
1334         #
1335         if ($TimeSpan =~ m/(\d+)/)
1336         {
1337                 $TimeSpan = -1 * int ($1);
1338         }
1339         else
1340         {
1341                 my %t = (hour => -3600, day => -86400, week => -604800, month => -2678400, year => -31622400);
1342                 die unless (defined ($t{$TimeSpan}));
1343                 $TimeSpan = $t{$TimeSpan};
1344         }
1345
1346         if (scalar (@{$files->{$Type}}) == 1)
1347         {
1348                 $Inst = $files->{$Type}[0];
1349         }
1350
1351         #push (@cmd, '-', '-a', 'PNG', '-s', $TimeSpan, '-w', 800, '-h', 150);
1352         push (@cmd, '-', '-a', 'PNG', '-s', $TimeSpan);
1353         push (@cmd, @{$GraphArgs->{$Type}}) if (defined ($GraphArgs->{$Type}));
1354
1355         for (qw(Back ShadeA ShadeB Font Canvas Grid MGrid Frame Arrow))
1356         {
1357                 push (@cmd, '-c', uc ($_) . '#' . $Config->{'Colors'}{$_});
1358         }
1359
1360         if ((length ($Inst) == 0) and (ref ($GraphMulti->{$Type}) eq 'CODE'))
1361         {
1362                 push (@cmd, $GraphMulti->{$Type}->(@{$files->{$Type}}));
1363         }
1364         else
1365         {
1366                 if (length ("$Inst"))
1367                 {
1368                         $file .= "$Type-$Inst.rrd";
1369                 }
1370                 else
1371                 {
1372                         $file .= "$Type.rrd";
1373                 }
1374
1375                 die ("File not found: $file") unless (-e $file);
1376
1377                 push (@cmd, @{$GraphDefs->{$Type}});
1378         }
1379
1380         for (@cmd)
1381         {
1382                 $_ =~ s/{file}/$file/g;
1383                 $_ =~ s/{host}/$host/g;
1384                 $_ =~ s/{inst}/$Inst/g;
1385                 $_ =~ s/{type}/$Type/g;
1386         }
1387
1388         $| = 1;
1389
1390         print STDOUT <<HEADER if (defined ($ENV{'GATEWAY_INTERFACE'}));
1391 Content-Type: image/png
1392 Cache-Control: no-cache
1393
1394 HEADER
1395
1396         if (1)
1397         {
1398                 my $fh;
1399                 open ($fh, ">/tmp/collection.log") or die ("open: $!");
1400                 flock ($fh, LOCK_EX) or die ("flock: $!");
1401
1402                 print $fh join ("\n\t", @cmd) . "\n";
1403
1404                 close ($fh);
1405         }
1406
1407         RRDs::graph (@cmd);
1408
1409         die ('RRDs::error: ' . RRDs::error ()) if (RRDs::error ());
1410 }
1411
1412 sub output_page
1413 {
1414         my $files = get_all_files ($AbsDir);
1415         my $dirs  = get_all_dirs  ($AbsDir);
1416
1417         print STDOUT <<HEADER if (defined ($ENV{'GATEWAY_INTERFACE'}));
1418 Content-Type: text/html
1419 Cache-Control: no-cache
1420
1421 <html>
1422         <head>
1423                 <title>Collection: $RelDir</title>
1424                 <style type="text/css">
1425                         img { border: none; display: block; }
1426                 </style>
1427         </head>
1428
1429         <body>
1430 HEADER
1431
1432         my $MySelf = defined ($ENV{'GATEWAY_INTERFACE'}) ? $ENV{'SCRIPT_NAME'} : $0;
1433
1434         if ((length ($Type) != 0) and (length ($Inst) == 0) and (ref ($GraphMulti->{$Type}) eq 'CODE') and (scalar (@{$files->{$Type}}) > 1))
1435         {
1436                 print qq(\t\t<div><a href="$MySelf$RelDir">Go up</a></div>\n);
1437
1438                 print "\t\t<ul>\n";
1439                 for (@{$files->{$Type}})
1440                 {
1441                         print qq(\t\t\t<li><a href="$MySelf$RelDir/$Type/$_">$_</a></li>\n);
1442                 }
1443                 print <<HTML;
1444                 </ul>
1445
1446                 <h3>Hourly</h3>
1447                 <div><img src="$MySelf$RelDir/$Type/hour" /></div>
1448                 <h3>Daily</h3>
1449                 <div><img src="$MySelf$RelDir/$Type/day" /></div>
1450                 <h3>Weekly</h3>
1451                 <div><img src="$MySelf$RelDir/$Type/week" /></div>
1452                 <h3>Monthly</h3>
1453                 <div><img src="$MySelf$RelDir/$Type/month" /></div>
1454                 <h3>Yearly</h3>
1455                 <div><img src="$MySelf$RelDir/$Type/year" /></div>
1456 HTML
1457         }
1458         elsif (length ($Type) != 0)
1459         {
1460                 my $ext = length ($Inst) ? "$Type/$Inst" : $Type;
1461
1462                 if ((ref ($GraphMulti->{$Type}) eq 'CODE') and (scalar (@{$files->{$Type}}) > 1))
1463                 {
1464                         print qq(<div><a href="$MySelf$RelDir/$Type">Go up</a></div>\n);
1465                 }
1466                 else
1467                 {
1468                         print qq(<div><a href="$MySelf$RelDir">Go up</a></div>\n);
1469                 }
1470
1471                 print <<HTML;
1472                 <h3>Hourly</h3>
1473                 <div><img src="$MySelf$RelDir/$ext/hour" /></div>
1474                 <h3>Daily</h3>
1475                 <div><img src="$MySelf$RelDir/$ext/day" /></div>
1476                 <h3>Weekly</h3>
1477                 <div><img src="$MySelf$RelDir/$ext/week" /></div>
1478                 <h3>Monthly</h3>
1479                 <div><img src="$MySelf$RelDir/$ext/month" /></div>
1480                 <h3>Yearly</h3>
1481                 <div><img src="$MySelf$RelDir/$ext/year" /></div>
1482 HTML
1483         }
1484         else
1485         {
1486                 if ($RelDir)
1487                 {
1488                         my ($up) = $RelDir =~ m#(.*)/[^/]+$#;
1489                         print qq(\t\t<div><a href="$MySelf$up">Go up</a></div>\n);
1490                 }
1491
1492                 if (@$dirs)
1493                 {
1494                         print "<ul>\n";
1495                         for (@$dirs)
1496                         {
1497                                 print qq(<li>$AbsDir/<a href="$MySelf$RelDir/$_">$_</a></li>\n);
1498                         }
1499                         print "</ul>\n";
1500                 }
1501
1502                 for (sort (keys %$files))
1503                 {
1504                         my $type = $_;
1505
1506                         if (ref ($GraphMulti->{$type}) eq 'CODE')
1507                         {
1508                                 print qq(\t\t<a href="$MySelf$RelDir/$type" />),
1509                                 qq(<img src="$MySelf$RelDir/$type/day" /></a>\n);
1510                                 next;
1511                         }
1512
1513                         for (@{$files->{$type}})
1514                         {
1515                                 my $inst = "$_";
1516
1517                                 if (length ($inst))
1518                                 {
1519                                         print qq(\t\t<a href="$MySelf$RelDir/$type/$inst" />),
1520                                         qq(<img src="$MySelf$RelDir/$type/$inst/day" /></a>\n);
1521                                 }
1522                                 else
1523                                 {
1524                                         print qq(\t\t<a href="$MySelf$RelDir/$type" />),
1525                                         qq(<img src="$MySelf$RelDir/$type/day" /></a>\n);
1526                                 }
1527                         }
1528                 }
1529         }
1530
1531         print STDOUT <<FOOTER if (defined ($ENV{'GATEWAY_INTERFACE'}));
1532         </body>
1533 </html>
1534 FOOTER
1535 }
1536
1537 sub output_xml
1538 {
1539         my $files = get_all_files ();
1540
1541         print STDOUT <<HEADER if (defined ($ENV{'GATEWAY_INTERFACE'}));
1542 Content-Type: text/xml
1543 Cache-Control: no-cache
1544
1545 HEADER
1546         print STDOUT pl2xml ($files);
1547 }
1548
1549 sub read_config
1550 {
1551         my $file = @_ ? shift : '/etc/collection.conf';
1552         my $conf;
1553         my $fh;
1554
1555 #       if (open ($fh, "< $file"))
1556 #       {
1557 #               my $xml;
1558 #               local $/ = undef;
1559 #               $xml = <$fh>;
1560 #
1561 #               eval
1562 #               {
1563 #                       $conf = xml2pl ($xml);
1564 #               };
1565 #               close ($fh);
1566 #       }
1567
1568         if (!$conf)
1569         {
1570                 return ({
1571                                 Colors =>
1572                                 {
1573                                         Back    => 'FFFFFF',
1574                                         ShadeA  => 'FFFFFF',
1575                                         ShadeB  => 'FFFFFF',
1576                                         Font    => '000000',
1577                                         Canvas  => 'F5F5F5',
1578                                         Grid    => 'D0D0D0',
1579                                         MGrid   => 'A0A0A0',
1580                                         Frame   => '646464',
1581                                         Arrow   => 'FF0000',
1582
1583                                         FullRed         => 'FF0000',
1584                                         FullBlue        => '0000FF',
1585                                         FullGreen       => '00E000',
1586                                         FullYellow      => 'F0A000',
1587                                         FullCyan        => '00A0FF',
1588                                         FullMagenta     => 'A000FF',
1589                                         Alpha           => 0.25,
1590                                         HalfRed         => 'F8B8B8',
1591                                         HalfBlue        => 'B8B8F8',
1592                                         HalfGreen       => 'B8F0B8',
1593                                         HalfYellow      => 'F4F4B8'
1594                                 },
1595                                 Directory => '/var/lib/collectd',
1596                                 HostName  => (defined ($ENV{'SERVER_NAME'}) ? $ENV{'SERVER_NAME'} : 'localhost')
1597                         });
1598         }
1599         else
1600         {
1601                 return ($conf);
1602         }
1603 }
1604
1605 sub parse_pathinfo
1606 {
1607         my @info = @_;
1608
1609         $AbsDir = $Config->{'Directory'};
1610         $RelDir = '';
1611
1612         while (@info and -d $AbsDir . '/' . $info[0])
1613         {
1614                 my $new = shift (@info);
1615                 next if ($new =~ m/^\./);
1616
1617                 $AbsDir .= '/' . $new;
1618                 $RelDir .= '/' . $new;
1619         }
1620
1621         $Type = '';
1622         $Inst = '';
1623         $TimeSpan = '';
1624
1625         confess ("parse_pathinfo: too many elements in pathinfo") if (scalar (@info) > 3);
1626         return unless (@info);
1627
1628         $Type = shift (@info);
1629         return unless (@info);
1630
1631         if ($info[-1] =~ m/^(hour|day|week|month|year)$/i)
1632         {
1633                 $TimeSpan = pop (@info);
1634         }
1635
1636         $Inst = shift (@info) if (@info);
1637
1638         confess ("unrecognized elements in pathinfo") if (@info);
1639 }
1640
1641 sub get_all_files
1642 {
1643         my $dir = @_ ? shift : $Config->{'Directory'};
1644         my $hash = {};
1645         my $dh;
1646
1647         if (opendir ($dh, $dir))
1648         {
1649                 while (my $thing = readdir ($dh))
1650                 {
1651                         next if ($thing =~ m/^\./);
1652
1653                         my $type;
1654                         my $inst;
1655
1656                         if ($thing =~ m/^(\w+)-([\w\-\.]+)\.rrd$/)
1657                         {
1658                                 $type = $1;
1659                                 $inst = $2;
1660                         }
1661                         elsif ($thing =~ m/^(\w+)\.rrd$/)
1662                         {
1663                                 $type = $1;
1664                                 $inst = '';
1665                         }
1666                         else
1667                         {
1668                                 next;
1669                         }
1670
1671                         # Only load RRD files we can actually display..
1672                         next unless (defined ($GraphDefs->{$type}));
1673
1674                         $hash->{$type} = [] unless (defined ($hash->{$type}));
1675                         push (@{$hash->{$type}}, $inst);
1676                 }
1677
1678                 closedir ($dh);
1679         }
1680
1681         return ($hash);
1682 }
1683
1684 sub get_all_dirs
1685 {
1686         my $dir = @_ ? shift : $Config->{'Directory'};
1687         my @ret = ();
1688         my $dh;
1689
1690         if (opendir ($dh, $dir))
1691         {
1692                 while (my $thing = readdir ($dh))
1693                 {
1694                         next if ($thing =~ m/^\./);
1695
1696                         next if (!-d "$dir/$thing");
1697
1698                         push (@ret, $thing);
1699                 }
1700
1701                 closedir ($dh);
1702         }
1703
1704         return (@ret) if (wantarray ());
1705         return (\@ret);
1706 }
1707
1708 sub color_hex2rgb
1709 {
1710         my $color = shift;
1711
1712         my ($red, $green, $blue) = map { ord (pack ("H2", $_)) } ($color =~ m/([A-Fa-f0-9]{2})/g);
1713         #print STDERR "$color -> rgb($red,$green,$blue)\n";
1714
1715         return ($red, $green, $blue);
1716 }
1717
1718 sub color_rgb2hex
1719 {
1720         croak unless (scalar (@_) == 3);
1721
1722         my ($red, $green, $blue) = @_;
1723
1724         my $ret = sprintf ("%02X%02X%02X", $red, $green, $blue);
1725         #print STDERR "rgb($red,$green,$blue) -> $ret\n";
1726
1727         return ($ret);
1728 }
1729
1730 sub color_calculate_transparent
1731 {
1732         my $alpha = shift;
1733         my $canvas = [color_hex2rgb (shift)];
1734         my @colors = map { [color_hex2rgb ($_)] } (@_);
1735
1736         if (($alpha < 0.0) or ($alpha > 1.0))
1737         {
1738                 $alpha = 1.0;
1739         }
1740
1741         if ($alpha == 0.0)
1742         {
1743                 return (color_rgb2hex (@$canvas));
1744         }
1745         if ($alpha == 1.0)
1746         {
1747                 return (color_rgb2hex (@{$colors[-1]}));
1748         }
1749
1750         my $ret = _color_calculate_transparent ($alpha, $canvas, @colors);
1751
1752         return (color_rgb2hex (@$ret));
1753 }
1754
1755 sub _color_calculate_transparent
1756 {
1757         my $alpha = shift;
1758         my $canvas = shift;
1759         my $color = shift;
1760         my @colors = @_ ? shift : ();
1761         my $ret = [0, 0, 0];
1762
1763         for (my $i = 0; $i < 3; $i++)
1764         {
1765                 $ret->[$i] = ($alpha * $color->[$i]) + ((1 - $alpha) * $canvas->[$i]);
1766         }
1767
1768         return (_color_calculate_transparent ($alpha, $ret, @colors)) if (@colors);
1769         return ($ret);
1770 }
1771
1772 sub get_n_colors
1773 {
1774         my $num = shift;
1775         my @ret = ();
1776
1777         for (my $i = 0; $i < $num; $i++)
1778         {
1779                 my $pos = 6 * $i / $num;
1780                 my $n = int ($pos);
1781                 my $p = $pos - $n;
1782                 my $q = 1 - $p;
1783
1784                 my $red   = 0;
1785                 my $green = 0;
1786                 my $blue  = 0;
1787
1788                 if ($n == 0)
1789                 {
1790                         $red  = 255;
1791                         $blue = 255 * $p;
1792                 }
1793                 elsif ($n == 1)
1794                 {
1795                         $red  = 255 * $q;
1796                         $blue = 255;
1797                 }
1798                 elsif ($n == 2)
1799                 {
1800                         $green = 255 * $p;
1801                         $blue  = 255;
1802                 }
1803                 elsif ($n == 3)
1804                 {
1805                         $green = 255;
1806                         $blue  = 255 * $q;
1807                 }
1808                 elsif ($n == 4)
1809                 {
1810                         $red   = 255 * $p;
1811                         $green = 255;
1812                 }
1813                 elsif ($n == 5)
1814                 {
1815                         $red   = 255;
1816                         $green = 255 * $q;
1817                 }
1818                 else { die; }
1819
1820                 push (@ret, sprintf ("%02x%02x%02x", $red, $green, $blue));
1821         }
1822
1823         return (@ret);
1824 }