contrib/museum/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                 cpu => ['DEF:user_avg={file}:user:AVERAGE',
  57                         'DEF:user_min={file}:user:MIN',
  58                         'DEF:user_max={file}:user:MAX',
  59                         'DEF:nice_avg={file}:nice:AVERAGE',
  60                         'DEF:nice_min={file}:nice:MIN',
  61                         'DEF:nice_max={file}:nice:MAX',
  62                         'DEF:syst_avg={file}:syst:AVERAGE',
  63                         'DEF:syst_min={file}:syst:MIN',
  64                         'DEF:syst_max={file}:syst:MAX',
  65                         'DEF:idle_avg={file}:idle:AVERAGE',
  66                         'DEF:idle_min={file}:idle:MIN',
  67                         'DEF:idle_max={file}:idle:MAX',
  68                         'DEF:wait_avg={file}:wait:AVERAGE',
  69                         'DEF:wait_min={file}:wait:MIN',
  70                         'DEF:wait_max={file}:wait:MAX',
  71                         'CDEF:user_avg_notnull=user_avg,UN,0,user_avg,IF',
  72                         'CDEF:nice_avg_notnull=nice_avg,UN,0,nice_avg,IF',
  73                         'CDEF:syst_avg_notnull=syst_avg,UN,0,syst_avg,IF',
  74                         'CDEF:idle_avg_notnull=idle_avg,UN,0,idle_avg,IF',
  75                         'CDEF:wait_avg_notnull=wait_avg,UN,0,wait_avg,IF',
  76                         'CDEF:totl_avg_notnull=user_avg_notnull,nice_avg_notnull,+,syst_avg_notnull,+,idle_avg_notnull,+,wait_avg_notnull,+',
  77                         'CDEF:user_avg_pct=user_avg_notnull,100,*,totl_avg_notnull,/',
  78                         'CDEF:nice_avg_pct=nice_avg_notnull,100,*,totl_avg_notnull,/',
  79                         'CDEF:syst_avg_pct=syst_avg_notnull,100,*,totl_avg_notnull,/',
  80                         'CDEF:wait_avg_pct=wait_avg_notnull,100,*,totl_avg_notnull,/',
  81                         'CDEF:nice_acc=syst_avg_pct,wait_avg_pct,user_avg_pct,nice_avg_pct,+,+,+',
  82                         'CDEF:user_acc=syst_avg_pct,wait_avg_pct,user_avg_pct,+,+',
  83                         'CDEF:wait_acc=syst_avg_pct,wait_avg_pct,+',
  84                         'CDEF:syst_acc=syst_avg_pct',
  85 #                       'CDEF:nice_acc=syst_avg_notnull,wait_avg_notnull,user_avg_notnull,nice_avg_notnull,+,+,+',
  86 #                       'CDEF:user_acc=syst_avg_notnull,wait_avg_notnull,user_avg_notnull,+,+',
  87 #                       'CDEF:wait_acc=syst_avg_notnull,wait_avg_notnull,+',
  88 #                       'CDEF:syst_acc=syst_avg_notnull',
  89                         "AREA:nice_acc#$HalfGreen",
  90                         "AREA:user_acc#$HalfBlue",
  91                         "AREA:wait_acc#$HalfYellow",
  92                         "AREA:syst_acc#$HalfRed",
  93                         "LINE1:nice_acc#$FullGreen:Nice   ",
  94                         'GPRINT:nice_min:MIN:%5.1lf%% Min,',
  95                         'GPRINT:nice_avg:AVERAGE:%5.1lf%% Avg,',
  96                         'GPRINT:nice_max:MAX:%5.1lf%% Max,',
  97                         'GPRINT:nice_avg:LAST:%5.1lf%% Last\l',
  98                         "LINE1:user_acc#$FullBlue:User   ",
  99                         'GPRINT:user_min:MIN:%5.1lf%% Min,',
 100                         'GPRINT:user_avg:AVERAGE:%5.1lf%% Avg,',
 101                         'GPRINT:user_max:MAX:%5.1lf%% Max,',
 102                         'GPRINT:user_avg:LAST:%5.1lf%% Last\l',
 103                         "LINE1:wait_acc#$FullYellow:Wait-IO",
 104                         'GPRINT:wait_min:MIN:%5.1lf%% Min,',
 105                         'GPRINT:wait_avg:AVERAGE:%5.1lf%% Avg,',
 106                         'GPRINT:wait_max:MAX:%5.1lf%% Max,',
 107                         'GPRINT:wait_avg:LAST:%5.1lf%% Last\l',
 108                         "LINE1:syst_acc#$FullRed:System ",
 109                         'GPRINT:syst_min:MIN:%5.1lf%% Min,',
 110                         'GPRINT:syst_avg:AVERAGE:%5.1lf%% Avg,',
 111                         'GPRINT:syst_max:MAX:%5.1lf%% Max,',
 112                         'GPRINT:syst_avg:LAST:%5.1lf%% Last\l'
 113                 ],
 114                 df => [
 115                         'DEF:free_avg={file}:free:AVERAGE',
 116                         'DEF:free_min={file}:free:MIN',
 117                         'DEF:free_max={file}:free:MAX',
 118                         'DEF:used_avg={file}:used:AVERAGE',
 119                         'DEF:used_min={file}:used:MIN',
 120                         'DEF:used_max={file}:used:MAX',
 121                         'CDEF:total=free_avg,used_avg,+',
 122                         'CDEF:free_pct=100,free_avg,*,total,/',
 123                         'CDEF:used_pct=100,used_avg,*,total,/',
 124                         'CDEF:free_acc=free_pct,used_pct,+',
 125                         'CDEF:used_acc=used_pct',
 126                         "AREA:free_acc#$HalfGreen",
 127                         "AREA:used_acc#$HalfRed",
 128                         "LINE1:free_acc#$FullGreen:Free",
 129                         'GPRINT:free_min:MIN:%5.1lf%sB Min,',
 130                         'GPRINT:free_avg:AVERAGE:%5.1lf%sB Avg,',
 131                         'GPRINT:free_max:MAX:%5.1lf%sB Max,',
 132                         'GPRINT:free_avg:LAST:%5.1lf%sB Last\l',
 133                         "LINE1:used_acc#$FullRed:Used",
 134                         'GPRINT:used_min:MIN:%5.1lf%sB Min,',
 135                         'GPRINT:used_avg:AVERAGE:%5.1lf%sB Avg,',
 136                         'GPRINT:used_max:MAX:%5.1lf%sB Max,',
 137                         'GPRINT:used_avg:LAST:%5.1lf%sB Last\l'
 138                 ],
 139                 disk => [
 140                         'DEF:rtime_avg={file}:rtime:AVERAGE',
 141                         'DEF:rtime_min={file}:rtime:MIN',
 142                         'DEF:rtime_max={file}:rtime:MAX',
 143                         'DEF:wtime_avg={file}:wtime:AVERAGE',
 144                         'DEF:wtime_min={file}:wtime:MIN',
 145                         'DEF:wtime_max={file}:wtime:MAX',
 146                         'CDEF:rtime_avg_ms=rtime_avg,1000,/',
 147                         'CDEF:rtime_min_ms=rtime_min,1000,/',
 148                         'CDEF:rtime_max_ms=rtime_max,1000,/',
 149                         'CDEF:wtime_avg_ms=wtime_avg,1000,/',
 150                         'CDEF:wtime_min_ms=wtime_min,1000,/',
 151                         'CDEF:wtime_max_ms=wtime_max,1000,/',
 152                         'CDEF:total_avg_ms=rtime_avg_ms,wtime_avg_ms,+',
 153                         'CDEF:total_min_ms=rtime_min_ms,wtime_min_ms,+',
 154                         'CDEF:total_max_ms=rtime_max_ms,wtime_max_ms,+',
 155                         "AREA:total_max_ms#$HalfRed",
 156                         "AREA:total_min_ms#$Canvas",
 157                         "LINE1:wtime_avg_ms#$FullGreen:Write",
 158                         'GPRINT:wtime_min_ms:MIN:%5.1lf%s Min,',
 159                         'GPRINT:wtime_avg_ms:AVERAGE:%5.1lf%s Avg,',
 160                         'GPRINT:wtime_max_ms:MAX:%5.1lf%s Max,',
 161                         'GPRINT:wtime_avg_ms:LAST:%5.1lf%s Last\n',
 162                         "LINE1:rtime_avg_ms#$FullBlue:Read ",
 163                         'GPRINT:rtime_min_ms:MIN:%5.1lf%s Min,',
 164                         'GPRINT:rtime_avg_ms:AVERAGE:%5.1lf%s Avg,',
 165                         'GPRINT:rtime_max_ms:MAX:%5.1lf%s Max,',
 166                         'GPRINT:rtime_avg_ms:LAST:%5.1lf%s Last\n',
 167                         "LINE1:total_avg_ms#$FullRed:Total",
 168                         'GPRINT:total_min_ms:MIN:%5.1lf%s Min,',
 169                         'GPRINT:total_avg_ms:AVERAGE:%5.1lf%s Avg,',
 170                         'GPRINT:total_max_ms:MAX:%5.1lf%s Max,',
 171                         'GPRINT:total_avg_ms:LAST:%5.1lf%s Last'
 172                 ],
 173                 hddtemp => [
 174                         'DEF:temp_avg={file}:value:AVERAGE',
 175                         'DEF:temp_min={file}:value:MIN',
 176                         'DEF:temp_max={file}:value:MAX',
 177                         "AREA:temp_max#$HalfBlue",
 178                         "AREA:temp_min#$Canvas",
 179                         "LINE1:temp_avg#$FullBlue:Temperature",
 180                         'GPRINT:temp_min:MIN:%4.1lf Min,',
 181                         'GPRINT:temp_avg:AVERAGE:%4.1lf Avg,',
 182                         'GPRINT:temp_max:MAX:%4.1lf Max,',
 183                         'GPRINT:temp_avg:LAST:%4.1lf Last\l'
 184                 ],
 185                 load => ['DEF:s_avg={file}:shortterm:AVERAGE',
 186                         'DEF:s_min={file}:shortterm:MIN',
 187                         'DEF:s_max={file}:shortterm:MAX',
 188                         'DEF:m_avg={file}:midterm:AVERAGE',
 189                         'DEF:m_min={file}:midterm:MIN',
 190                         'DEF:m_max={file}:midterm:MAX',
 191                         'DEF:l_avg={file}:longterm:AVERAGE',
 192                         'DEF:l_min={file}:longterm:MIN',
 193                         'DEF:l_max={file}:longterm:MAX',
 194                         "AREA:s_max#$HalfGreen",
 195                         "AREA:s_min#$Canvas",
 196                         "LINE1:s_avg#$FullGreen: 1m average",
 197                         'GPRINT:s_min:MIN:%4.2lf Min,',
 198                         'GPRINT:s_avg:AVERAGE:%4.2lf Avg,',
 199                         'GPRINT:s_max:MAX:%4.2lf Max,',
 200                         'GPRINT:s_avg:LAST:%4.2lf Last\n',
 201                         "LINE1:m_avg#$FullBlue: 5m average",
 202                         'GPRINT:m_min:MIN:%4.2lf Min,',
 203                         'GPRINT:m_avg:AVERAGE:%4.2lf Avg,',
 204                         'GPRINT:m_max:MAX:%4.2lf Max,',
 205                         'GPRINT:m_avg:LAST:%4.2lf Last\n',
 206                         "LINE1:l_avg#$FullRed:15m average",
 207                         'GPRINT:l_min:MIN:%4.2lf Min,',
 208                         'GPRINT:l_avg:AVERAGE:%4.2lf Avg,',
 209                         'GPRINT:l_max:MAX:%4.2lf Max,',
 210                         'GPRINT:l_avg:LAST:%4.2lf Last'
 211                 ],
 212                 mails => ['DEF:rawgood={file}:good:AVERAGE',
 213                         'DEF:rawspam={file}:spam:AVERAGE',
 214                         'CDEF:good=rawgood,UN,0,rawgood,IF',
 215                         'CDEF:spam=rawspam,UN,0,rawspam,IF',
 216                         'CDEF:negspam=spam,-1,*',
 217                         "AREA:good#$HalfGreen",
 218                         "LINE1:good#$FullGreen:Good mails",
 219                         'GPRINT:good:AVERAGE:%4.1lf Avg,',
 220                         'GPRINT:good:MAX:%4.1lf Max,',
 221                         'GPRINT:good:LAST:%4.1lf Last\n',
 222                         "AREA:negspam#$HalfRed",
 223                         "LINE1:negspam#$FullRed:Spam mails",
 224                         'GPRINT:spam:AVERAGE:%4.1lf Avg,',
 225                         'GPRINT:spam:MAX:%4.1lf Max,',
 226                         'GPRINT:spam:LAST:%4.1lf Last',
 227                         'HRULE:0#000000'],
 228                 memory => [
 229                         'DEF:used_avg={file}:used:AVERAGE',
 230                         'DEF:free_avg={file}:free:AVERAGE',
 231                         'DEF:buffers_avg={file}:buffers:AVERAGE',
 232                         'DEF:cached_avg={file}:cached:AVERAGE',
 233                         'DEF:used_min={file}:used:MIN',
 234                         'DEF:free_min={file}:free:MIN',
 235                         'DEF:buffers_min={file}:buffers:MIN',
 236                         'DEF:cached_min={file}:cached:MIN',
 237                         'DEF:used_max={file}:used:MAX',
 238                         'DEF:free_max={file}:free:MAX',
 239                         'DEF:buffers_max={file}:buffers:MAX',
 240                         'DEF:cached_max={file}:cached:MAX',
 241                         'CDEF:free_cached_buffers_used=free_avg,cached_avg,+,buffers_avg,+,used_avg,+',
 242                         'CDEF:cached_buffers_used=cached_avg,buffers_avg,+,used_avg,+',
 243                         'CDEF:buffers_used=buffers_avg,used_avg,+',
 244                         "AREA:free_cached_buffers_used#$HalfGreen",
 245                         "AREA:cached_buffers_used#$HalfBlue",
 246                         "AREA:buffers_used#$HalfYellow",
 247                         "AREA:used_avg#$HalfRed",
 248                         "LINE1:free_cached_buffers_used#$FullGreen:Free        ",
 249                         'GPRINT:free_min:MIN:%5.1lf%s Min,',
 250                         'GPRINT:free_avg:AVERAGE:%5.1lf%s Avg,',
 251                         'GPRINT:free_max:MAX:%5.1lf%s Max,',
 252                         'GPRINT:free_avg:LAST:%5.1lf%s Last\n',
 253                         "LINE1:cached_buffers_used#$FullBlue:Page cache  ",
 254                         'GPRINT:cached_min:MIN:%5.1lf%s Min,',
 255                         'GPRINT:cached_avg:AVERAGE:%5.1lf%s Avg,',
 256                         'GPRINT:cached_max:MAX:%5.1lf%s Max,',
 257                         'GPRINT:cached_avg:LAST:%5.1lf%s Last\n',
 258                         "LINE1:buffers_used#$FullYellow:Buffer cache",
 259                         'GPRINT:buffers_min:MIN:%5.1lf%s Min,',
 260                         'GPRINT:buffers_avg:AVERAGE:%5.1lf%s Avg,',
 261                         'GPRINT:buffers_max:MAX:%5.1lf%s Max,',
 262                         'GPRINT:buffers_avg:LAST:%5.1lf%s Last\n',
 263                         "LINE1:used_avg#$FullRed:Used        ",
 264                         'GPRINT:used_min:MIN:%5.1lf%s Min,',
 265                         'GPRINT:used_avg:AVERAGE:%5.1lf%s Avg,',
 266                         'GPRINT:used_max:MAX:%5.1lf%s Max,',
 267                         'GPRINT:used_avg:LAST:%5.1lf%s Last'
 268                 ],
 269                 mysql_commands => [
 270                         "DEF:val_avg={file}:value:AVERAGE",
 271                         "DEF:val_min={file}:value:MIN",
 272                         "DEF:val_max={file}:value:MAX",
 273                         "AREA:val_max#$HalfBlue",
 274                         "AREA:val_min#$Canvas",
 275                         "LINE1:val_avg#$FullBlue:{inst}",
 276                         'GPRINT:val_min:MIN:%5.2lf Min,',
 277                         'GPRINT:val_avg:AVERAGE:%5.2lf Avg,',
 278                         'GPRINT:val_max:MAX:%5.2lf Max,',
 279                         'GPRINT:val_avg:LAST:%5.2lf Last'
 280                 ],
 281                 mysql_handler => [
 282                         "DEF:val_avg={file}:value:AVERAGE",
 283                         "DEF:val_min={file}:value:MIN",
 284                         "DEF:val_max={file}:value:MAX",
 285                         "AREA:val_max#$HalfBlue",
 286                         "AREA:val_min#$Canvas",
 287                         "LINE1:val_avg#$FullBlue:{inst}",
 288                         'GPRINT:val_min:MIN:%5.2lf Min,',
 289                         'GPRINT:val_avg:AVERAGE:%5.2lf Avg,',
 290                         'GPRINT:val_max:MAX:%5.2lf Max,',
 291                         'GPRINT:val_avg:LAST:%5.2lf Last'
 292                 ],
 293                 mysql_qcache => [
 294                         "DEF:hits_min={file}:hits:MIN",
 295                         "DEF:hits_avg={file}:hits:AVERAGE",
 296                         "DEF:hits_max={file}:hits:MAX",
 297                         "DEF:inserts_min={file}:inserts:MIN",
 298                         "DEF:inserts_avg={file}:inserts:AVERAGE",
 299                         "DEF:inserts_max={file}:inserts:MAX",
 300                         "DEF:not_cached_min={file}:not_cached:MIN",
 301                         "DEF:not_cached_avg={file}:not_cached:AVERAGE",
 302                         "DEF:not_cached_max={file}:not_cached:MAX",
 303                         "DEF:lowmem_prunes_min={file}:lowmem_prunes:MIN",
 304                         "DEF:lowmem_prunes_avg={file}:lowmem_prunes:AVERAGE",
 305                         "DEF:lowmem_prunes_max={file}:lowmem_prunes:MAX",
 306                         "DEF:queries_min={file}:queries_in_cache:MIN",
 307                         "DEF:queries_avg={file}:queries_in_cache:AVERAGE",
 308                         "DEF:queries_max={file}:queries_in_cache:MAX",
 309                         "CDEF:unknown=queries_avg,UNKN,+",
 310                         "CDEF:not_cached_agg=hits_avg,inserts_avg,+,not_cached_avg,+",
 311                         "CDEF:inserts_agg=hits_avg,inserts_avg,+",
 312                         "CDEF:hits_agg=hits_avg",
 313                         "AREA:not_cached_agg#$HalfYellow",
 314                         "AREA:inserts_agg#$HalfBlue",
 315                         "AREA:hits_agg#$HalfGreen",
 316                         "LINE1:not_cached_agg#$FullYellow:Not Cached      ",
 317                         'GPRINT:not_cached_min:MIN:%5.2lf Min,',
 318                         'GPRINT:not_cached_avg:AVERAGE:%5.2lf Avg,',
 319                         'GPRINT:not_cached_max:MAX:%5.2lf Max,',
 320                         'GPRINT:not_cached_avg:LAST:%5.2lf Last\l',
 321                         "LINE1:inserts_agg#$FullBlue:Inserts         ",
 322                         'GPRINT:inserts_min:MIN:%5.2lf Min,',
 323                         'GPRINT:inserts_avg:AVERAGE:%5.2lf Avg,',
 324                         'GPRINT:inserts_max:MAX:%5.2lf Max,',
 325                         'GPRINT:inserts_avg:LAST:%5.2lf Last\l',
 326                         "LINE1:hits_agg#$FullGreen:Hits            ",
 327                         'GPRINT:hits_min:MIN:%5.2lf Min,',
 328                         'GPRINT:hits_avg:AVERAGE:%5.2lf Avg,',
 329                         'GPRINT:hits_max:MAX:%5.2lf Max,',
 330                         'GPRINT:hits_avg:LAST:%5.2lf Last\l',
 331                         "LINE1:lowmem_prunes_avg#$FullRed:Lowmem Prunes   ",
 332                         'GPRINT:lowmem_prunes_min:MIN:%5.2lf Min,',
 333                         'GPRINT:lowmem_prunes_avg:AVERAGE:%5.2lf Avg,',
 334                         'GPRINT:lowmem_prunes_max:MAX:%5.2lf Max,',
 335                         'GPRINT:lowmem_prunes_avg:LAST:%5.2lf Last\l',
 336                         "LINE1:unknown#$Canvas:Queries in cache",
 337                         'GPRINT:queries_min:MIN:%5.0lf Min,',
 338                         'GPRINT:queries_avg:AVERAGE:%5.0lf Avg,',
 339                         'GPRINT:queries_max:MAX:%5.0lf Max,',
 340                         'GPRINT:queries_avg:LAST:%5.0lf Last\l'
 341                 ],
 342                 mysql_threads => [
 343                         "DEF:running_min={file}:running:MIN",
 344                         "DEF:running_avg={file}:running:AVERAGE",
 345                         "DEF:running_max={file}:running:MAX",
 346                         "DEF:connected_min={file}:connected:MIN",
 347                         "DEF:connected_avg={file}:connected:AVERAGE",
 348                         "DEF:connected_max={file}:connected:MAX",
 349                         "DEF:cached_min={file}:cached:MIN",
 350                         "DEF:cached_avg={file}:cached:AVERAGE",
 351                         "DEF:cached_max={file}:cached:MAX",
 352                         "DEF:created_min={file}:created:MIN",
 353                         "DEF:created_avg={file}:created:AVERAGE",
 354                         "DEF:created_max={file}:created:MAX",
 355                         "CDEF:unknown=created_avg,UNKN,+",
 356                         "CDEF:cached_agg=connected_avg,cached_avg,+",
 357                         "AREA:cached_agg#$HalfGreen",
 358                         "AREA:connected_avg#$HalfBlue",
 359                         "AREA:running_avg#$HalfRed",
 360                         "LINE1:cached_agg#$FullGreen:Cached   ",
 361                         'GPRINT:cached_min:MIN:%5.1lf Min,',
 362                         'GPRINT:cached_avg:AVERAGE:%5.1lf Avg,',
 363                         'GPRINT:cached_max:MAX:%5.1lf Max,',
 364                         'GPRINT:cached_avg:LAST:%5.1lf Last\l',
 365                         "LINE1:connected_avg#$FullBlue:Connected",
 366                         'GPRINT:connected_min:MIN:%5.1lf Min,',
 367                         'GPRINT:connected_avg:AVERAGE:%5.1lf Avg,',
 368                         'GPRINT:connected_max:MAX:%5.1lf Max,',
 369                         'GPRINT:connected_avg:LAST:%5.1lf Last\l',
 370                         "LINE1:running_avg#$FullRed:Running  ",
 371                         'GPRINT:running_min:MIN:%5.1lf Min,',
 372                         'GPRINT:running_avg:AVERAGE:%5.1lf Avg,',
 373                         'GPRINT:running_max:MAX:%5.1lf Max,',
 374                         'GPRINT:running_avg:LAST:%5.1lf Last\l',
 375                         "LINE1:unknown#$Canvas:Created  ",
 376                         'GPRINT:created_min:MIN:%5.0lf Min,',
 377                         'GPRINT:created_avg:AVERAGE:%5.0lf Avg,',
 378                         'GPRINT:created_max:MAX:%5.0lf Max,',
 379                         'GPRINT:created_avg:LAST:%5.0lf Last\l'
 380                 ],
 381                 nfs3_procedures => [
 382                         "DEF:null_avg={file}:null:AVERAGE",
 383                         "DEF:getattr_avg={file}:getattr:AVERAGE",
 384                         "DEF:setattr_avg={file}:setattr:AVERAGE",
 385                         "DEF:lookup_avg={file}:lookup:AVERAGE",
 386                         "DEF:access_avg={file}:access:AVERAGE",
 387                         "DEF:readlink_avg={file}:readlink:AVERAGE",
 388                         "DEF:read_avg={file}:read:AVERAGE",
 389                         "DEF:write_avg={file}:write:AVERAGE",
 390                         "DEF:create_avg={file}:create:AVERAGE",
 391                         "DEF:mkdir_avg={file}:mkdir:AVERAGE",
 392                         "DEF:symlink_avg={file}:symlink:AVERAGE",
 393                         "DEF:mknod_avg={file}:mknod:AVERAGE",
 394                         "DEF:remove_avg={file}:remove:AVERAGE",
 395                         "DEF:rmdir_avg={file}:rmdir:AVERAGE",
 396                         "DEF:rename_avg={file}:rename:AVERAGE",
 397                         "DEF:link_avg={file}:link:AVERAGE",
 398                         "DEF:readdir_avg={file}:readdir:AVERAGE",
 399                         "DEF:readdirplus_avg={file}:readdirplus:AVERAGE",
 400                         "DEF:fsstat_avg={file}:fsstat:AVERAGE",
 401                         "DEF:fsinfo_avg={file}:fsinfo:AVERAGE",
 402                         "DEF:pathconf_avg={file}:pathconf:AVERAGE",
 403                         "DEF:commit_avg={file}:commit:AVERAGE",
 404                         "DEF:null_max={file}:null:MAX",
 405                         "DEF:getattr_max={file}:getattr:MAX",
 406                         "DEF:setattr_max={file}:setattr:MAX",
 407                         "DEF:lookup_max={file}:lookup:MAX",
 408                         "DEF:access_max={file}:access:MAX",
 409                         "DEF:readlink_max={file}:readlink:MAX",
 410                         "DEF:read_max={file}:read:MAX",
 411                         "DEF:write_max={file}:write:MAX",
 412                         "DEF:create_max={file}:create:MAX",
 413                         "DEF:mkdir_max={file}:mkdir:MAX",
 414                         "DEF:symlink_max={file}:symlink:MAX",
 415                         "DEF:mknod_max={file}:mknod:MAX",
 416                         "DEF:remove_max={file}:remove:MAX",
 417                         "DEF:rmdir_max={file}:rmdir:MAX",
 418                         "DEF:rename_max={file}:rename:MAX",
 419                         "DEF:link_max={file}:link:MAX",
 420                         "DEF:readdir_max={file}:readdir:MAX",
 421                         "DEF:readdirplus_max={file}:readdirplus:MAX",
 422                         "DEF:fsstat_max={file}:fsstat:MAX",
 423                         "DEF:fsinfo_max={file}:fsinfo:MAX",
 424                         "DEF:pathconf_max={file}:pathconf:MAX",
 425                         "DEF:commit_max={file}:commit:MAX",
 426                         "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,+,+,+,+,+,+,+,+,+,+,+,+,+,+",
 427                         "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,+,+,+,+,+,+,+,+,+,+,+,+,+,+",
 428                         "CDEF:stack_read=read_avg",
 429                         "CDEF:stack_getattr=stack_read,getattr_avg,+",
 430                         "CDEF:stack_access=stack_getattr,access_avg,+",
 431                         "CDEF:stack_lookup=stack_access,lookup_avg,+",
 432                         "CDEF:stack_write=stack_lookup,write_avg,+",
 433                         "CDEF:stack_commit=stack_write,commit_avg,+",
 434                         "CDEF:stack_setattr=stack_commit,setattr_avg,+",
 435                         "CDEF:stack_other=stack_setattr,other_avg,+",
 436                         "AREA:stack_other#$HalfRed",
 437                         "AREA:stack_setattr#$HalfGreen",
 438                         "AREA:stack_commit#$HalfYellow",
 439                         "AREA:stack_write#$HalfGreen",
 440                         "AREA:stack_lookup#$HalfBlue",
 441                         "AREA:stack_access#$HalfMagenta",
 442                         "AREA:stack_getattr#$HalfCyan",
 443                         "AREA:stack_read#$HalfBlue",
 444                         "LINE1:stack_other#$FullRed:Other  ",
 445                         'GPRINT:other_max:MAX:%5.1lf Max,',
 446                         'GPRINT:other_avg:AVERAGE:%5.1lf Avg,',
 447                         'GPRINT:other_avg:LAST:%5.1lf Last\l',
 448                         "LINE1:stack_setattr#$FullGreen:setattr",
 449                         'GPRINT:setattr_max:MAX:%5.1lf Max,',
 450                         'GPRINT:setattr_avg:AVERAGE:%5.1lf Avg,',
 451                         'GPRINT:setattr_avg:LAST:%5.1lf Last\l',
 452                         "LINE1:stack_commit#$FullYellow:commit ",
 453                         'GPRINT:commit_max:MAX:%5.1lf Max,',
 454                         'GPRINT:commit_avg:AVERAGE:%5.1lf Avg,',
 455                         'GPRINT:commit_avg:LAST:%5.1lf Last\l',
 456                         "LINE1:stack_write#$FullGreen:write  ",
 457                         'GPRINT:write_max:MAX:%5.1lf Max,',
 458                         'GPRINT:write_avg:AVERAGE:%5.1lf Avg,',
 459                         'GPRINT:write_avg:LAST:%5.1lf Last\l',
 460                         "LINE1:stack_lookup#$FullBlue:lookup ",
 461                         'GPRINT:lookup_max:MAX:%5.1lf Max,',
 462                         'GPRINT:lookup_avg:AVERAGE:%5.1lf Avg,',
 463                         'GPRINT:lookup_avg:LAST:%5.1lf Last\l',
 464                         "LINE1:stack_access#$FullMagenta:access ",
 465                         'GPRINT:access_max:MAX:%5.1lf Max,',
 466                         'GPRINT:access_avg:AVERAGE:%5.1lf Avg,',
 467                         'GPRINT:access_avg:LAST:%5.1lf Last\l',
 468                         "LINE1:stack_getattr#$FullCyan:getattr",
 469                         'GPRINT:getattr_max:MAX:%5.1lf Max,',
 470                         'GPRINT:getattr_avg:AVERAGE:%5.1lf Avg,',
 471                         'GPRINT:getattr_avg:LAST:%5.1lf Last\l',
 472                         "LINE1:stack_read#$FullBlue:read   ",
 473                         'GPRINT:read_max:MAX:%5.1lf Max,',
 474                         'GPRINT:read_avg:AVERAGE:%5.1lf Avg,',
 475                         'GPRINT:read_avg:LAST:%5.1lf Last\l'
 476                 ],
 477                 partition => [
 478                         "DEF:rbyte_avg={file}:rbytes:AVERAGE",
 479                         "DEF:rbyte_min={file}:rbytes:MIN",
 480                         "DEF:rbyte_max={file}:rbytes:MAX",
 481                         "DEF:wbyte_avg={file}:wbytes:AVERAGE",
 482                         "DEF:wbyte_min={file}:wbytes:MIN",
 483                         "DEF:wbyte_max={file}:wbytes:MAX",
 484                         'CDEF:overlap=wbyte_avg,rbyte_avg,GT,rbyte_avg,wbyte_avg,IF',
 485                         "AREA:wbyte_avg#$HalfGreen",
 486                         "AREA:rbyte_avg#$HalfBlue",
 487                         "AREA:overlap#$HalfBlueGreen",
 488                         "LINE1:wbyte_avg#$FullGreen:Write",
 489                         'GPRINT:wbyte_min:MIN:%5.1lf%s Min,',
 490                         'GPRINT:wbyte_avg:AVERAGE:%5.1lf%s Avg,',
 491                         'GPRINT:wbyte_max:MAX:%5.1lf%s Max,',
 492                         'GPRINT:wbyte_avg:LAST:%5.1lf%s Last\l',
 493                         "LINE1:rbyte_avg#$FullBlue:Read ",
 494                         'GPRINT:rbyte_min:MIN:%5.1lf%s Min,',
 495                         'GPRINT:rbyte_avg:AVERAGE:%5.1lf%s Avg,',
 496                         'GPRINT:rbyte_max:MAX:%5.1lf%s Max,',
 497                         'GPRINT:rbyte_avg:LAST:%5.1lf%s Last\l'
 498                 ],
 499                 ping => ['DEF:ping_avg={file}:ping:AVERAGE',
 500                         'DEF:ping_min={file}:ping:MIN',
 501                         'DEF:ping_max={file}:ping:MAX',
 502                         "AREA:ping_max#$HalfBlue",
 503                         "AREA:ping_min#$Canvas",
 504                         "LINE1:ping_avg#$FullBlue:Ping",
 505                         'GPRINT:ping_min:MIN:%4.1lf ms Min,',
 506                         'GPRINT:ping_avg:AVERAGE:%4.1lf ms Avg,',
 507                         'GPRINT:ping_max:MAX:%4.1lf ms Max,',
 508                         'GPRINT:ping_avg:LAST:%4.1lf ms Last'],
 509                 processes => [
 510                         "DEF:running_avg={file}:running:AVERAGE",
 511                         "DEF:running_min={file}:running:MIN",
 512                         "DEF:running_max={file}:running:MAX",
 513                         "DEF:sleeping_avg={file}:sleeping:AVERAGE",
 514                         "DEF:sleeping_min={file}:sleeping:MIN",
 515                         "DEF:sleeping_max={file}:sleeping:MAX",
 516                         "DEF:zombies_avg={file}:zombies:AVERAGE",
 517                         "DEF:zombies_min={file}:zombies:MIN",
 518                         "DEF:zombies_max={file}:zombies:MAX",
 519                         "DEF:stopped_avg={file}:stopped:AVERAGE",
 520                         "DEF:stopped_min={file}:stopped:MIN",
 521                         "DEF:stopped_max={file}:stopped:MAX",
 522                         "DEF:paging_avg={file}:paging:AVERAGE",
 523                         "DEF:paging_min={file}:paging:MIN",
 524                         "DEF:paging_max={file}:paging:MAX",
 525                         "DEF:blocked_avg={file}:blocked:AVERAGE",
 526                         "DEF:blocked_min={file}:blocked:MIN",
 527                         "DEF:blocked_max={file}:blocked:MAX",
 528                         'CDEF:paging_acc=sleeping_avg,running_avg,stopped_avg,zombies_avg,blocked_avg,paging_avg,+,+,+,+,+',
 529                         'CDEF:blocked_acc=sleeping_avg,running_avg,stopped_avg,zombies_avg,blocked_avg,+,+,+,+',
 530                         'CDEF:zombies_acc=sleeping_avg,running_avg,stopped_avg,zombies_avg,+,+,+',
 531                         'CDEF:stopped_acc=sleeping_avg,running_avg,stopped_avg,+,+',
 532                         'CDEF:running_acc=sleeping_avg,running_avg,+',
 533                         'CDEF:sleeping_acc=sleeping_avg',
 534                         "AREA:paging_acc#$HalfYellow",
 535                         "AREA:blocked_acc#$HalfCyan",
 536                         "AREA:zombies_acc#$HalfRed",
 537                         "AREA:stopped_acc#$HalfMagenta",
 538                         "AREA:running_acc#$HalfGreen",
 539                         "AREA:sleeping_acc#$HalfBlue",
 540                         "LINE1:paging_acc#$FullYellow:Paging  ",
 541                         'GPRINT:paging_min:MIN:%5.1lf Min,',
 542                         'GPRINT:paging_avg:AVERAGE:%5.1lf Average,',
 543                         'GPRINT:paging_max:MAX:%5.1lf Max,',
 544                         'GPRINT:paging_avg:LAST:%5.1lf Last\l',
 545                         "LINE1:blocked_acc#$FullCyan:Blocked ",
 546                         'GPRINT:blocked_min:MIN:%5.1lf Min,',
 547                         'GPRINT:blocked_avg:AVERAGE:%5.1lf Average,',
 548                         'GPRINT:blocked_max:MAX:%5.1lf Max,',
 549                         'GPRINT:blocked_avg:LAST:%5.1lf Last\l',
 550                         "LINE1:zombies_acc#$FullRed:Zombies ",
 551                         'GPRINT:zombies_min:MIN:%5.1lf Min,',
 552                         'GPRINT:zombies_avg:AVERAGE:%5.1lf Average,',
 553                         'GPRINT:zombies_max:MAX:%5.1lf Max,',
 554                         'GPRINT:zombies_avg:LAST:%5.1lf Last\l',
 555                         "LINE1:stopped_acc#$FullMagenta:Stopped ",
 556                         'GPRINT:stopped_min:MIN:%5.1lf Min,',
 557                         'GPRINT:stopped_avg:AVERAGE:%5.1lf Average,',
 558                         'GPRINT:stopped_max:MAX:%5.1lf Max,',
 559                         'GPRINT:stopped_avg:LAST:%5.1lf Last\l',
 560                         "LINE1:running_acc#$FullGreen:Running ",
 561                         'GPRINT:running_min:MIN:%5.1lf Min,',
 562                         'GPRINT:running_avg:AVERAGE:%5.1lf Average,',
 563                         'GPRINT:running_max:MAX:%5.1lf Max,',
 564                         'GPRINT:running_avg:LAST:%5.1lf Last\l',
 565                         "LINE1:sleeping_acc#$FullBlue:Sleeping",
 566                         'GPRINT:sleeping_min:MIN:%5.1lf Min,',
 567                         'GPRINT:sleeping_avg:AVERAGE:%5.1lf Average,',
 568                         'GPRINT:sleeping_max:MAX:%5.1lf Max,',
 569                         'GPRINT:sleeping_avg:LAST:%5.1lf Last\l'
 570                 ],
 571                 sensors => [
 572                         'DEF:temp_avg={file}:value:AVERAGE',
 573                         'DEF:temp_min={file}:value:MIN',
 574                         'DEF:temp_max={file}:value:MAX',
 575                         "AREA:temp_max#$HalfBlue",
 576                         "AREA:temp_min#$Canvas",
 577                         "LINE1:temp_avg#$FullBlue:Value",
 578                         'GPRINT:temp_min:MIN:%4.1lf Min,',
 579                         'GPRINT:temp_avg:AVERAGE:%4.1lf Avg,',
 580                         'GPRINT:temp_max:MAX:%4.1lf Max,',
 581                         'GPRINT:temp_avg:LAST:%4.1lf Last\l'
 582                 ],
 583                 swap => [
 584                         'DEF:used_avg={file}:used:AVERAGE',
 585                         'DEF:used_min={file}:used:MIN',
 586                         'DEF:used_max={file}:used:MAX',
 587                         'DEF:free_avg={file}:free:AVERAGE',
 588                         'DEF:free_min={file}:free:MIN',
 589                         'DEF:free_max={file}:free:MAX',
 590                         'DEF:cach_avg={file}:cached:AVERAGE',
 591                         'DEF:cach_min={file}:cached:MIN',
 592                         'DEF:cach_max={file}:cached:MAX',
 593                         'DEF:resv_avg={file}:resv:AVERAGE',
 594                         'DEF:resv_min={file}:resv:MIN',
 595                         'DEF:resv_max={file}:resv:MAX',
 596                         'CDEF:cach_avg_notnull=cach_avg,UN,0,cach_avg,IF',
 597                         'CDEF:resv_avg_notnull=resv_avg,UN,0,resv_avg,IF',
 598                         'CDEF:used_acc=used_avg',
 599                         'CDEF:resv_acc=used_acc,resv_avg_notnull,+',
 600                         'CDEF:cach_acc=resv_acc,cach_avg_notnull,+',
 601                         'CDEF:free_acc=cach_acc,free_avg,+',
 602                         "AREA:free_acc#$HalfGreen",
 603                         "AREA:cach_acc#$HalfBlue",
 604                         "AREA:resv_acc#$HalfYellow",
 605                         "AREA:used_acc#$HalfRed",
 606                         "LINE1:free_acc#$FullGreen:Free    ",
 607                         'GPRINT:free_min:MIN:%5.1lf%s Min,',
 608                         'GPRINT:free_avg:AVERAGE:%5.1lf%s Avg,',
 609                         'GPRINT:free_max:MAX:%5.1lf%s Max,',
 610                         'GPRINT:free_avg:LAST:%5.1lf%s Last\n',
 611                         "LINE1:cach_acc#$FullBlue:Cached  ",
 612                         'GPRINT:cach_min:MIN:%5.1lf%s Min,',
 613                         'GPRINT:cach_avg:AVERAGE:%5.1lf%s Avg,',
 614                         'GPRINT:cach_max:MAX:%5.1lf%s Max,',
 615                         'GPRINT:cach_avg:LAST:%5.1lf%s Last\l',
 616                         "LINE1:resv_acc#$FullYellow:Reserved",
 617                         'GPRINT:resv_min:MIN:%5.1lf%s Min,',
 618                         'GPRINT:resv_avg:AVERAGE:%5.1lf%s Avg,',
 619                         'GPRINT:resv_max:MAX:%5.1lf%s Max,',
 620                         'GPRINT:resv_avg:LAST:%5.1lf%s Last\n',
 621                         "LINE1:used_acc#$FullRed:Used    ",
 622                         'GPRINT:used_min:MIN:%5.1lf%s Min,',
 623                         'GPRINT:used_avg:AVERAGE:%5.1lf%s Avg,',
 624                         'GPRINT:used_max:MAX:%5.1lf%s Max,',
 625                         'GPRINT:used_avg:LAST:%5.1lf%s Last\l'
 626                 ],
 627                 traffic => ['DEF:out_min_raw={file}:outgoing:MIN',
 628                         'DEF:out_avg_raw={file}:outgoing:AVERAGE',
 629                         'DEF:out_max_raw={file}:outgoing:MAX',
 630                         'DEF:inc_min_raw={file}:incoming:MIN',
 631                         'DEF:inc_avg_raw={file}:incoming:AVERAGE',
 632                         'DEF:inc_max_raw={file}:incoming:MAX',
 633                         'CDEF:out_min=out_min_raw,8,*',
 634                         'CDEF:out_avg=out_avg_raw,8,*',
 635                         'CDEF:out_max=out_max_raw,8,*',
 636                         'CDEF:inc_min=inc_min_raw,8,*',
 637                         'CDEF:inc_avg=inc_avg_raw,8,*',
 638                         'CDEF:inc_max=inc_max_raw,8,*',
 639                         'CDEF:overlap=out_avg,inc_avg,GT,inc_avg,out_avg,IF',
 640                         'CDEF:mytime=out_avg_raw,TIME,TIME,IF',
 641                         'CDEF:sample_len_raw=mytime,PREV(mytime),-',
 642                         'CDEF:sample_len=sample_len_raw,UN,0,sample_len_raw,IF',
 643                         'CDEF:out_avg_sample=out_avg_raw,UN,0,out_avg_raw,IF,sample_len,*',
 644                         'CDEF:out_avg_sum=PREV,UN,0,PREV,IF,out_avg_sample,+',
 645                         'CDEF:inc_avg_sample=inc_avg_raw,UN,0,inc_avg_raw,IF,sample_len,*',
 646                         'CDEF:inc_avg_sum=PREV,UN,0,PREV,IF,inc_avg_sample,+',
 647                         "AREA:out_avg#$HalfGreen",
 648                         "AREA:inc_avg#$HalfBlue",
 649                         "AREA:overlap#$HalfBlueGreen",
 650                         "LINE1:out_avg#$FullGreen:Outgoing",
 651                         'GPRINT:out_avg:AVERAGE:%5.1lf%s Avg,',
 652                         'GPRINT:out_max:MAX:%5.1lf%s Max,',
 653                         'GPRINT:out_avg:LAST:%5.1lf%s Last',
 654                         'GPRINT:out_avg_sum:LAST:(ca. %5.1lf%sB Total)\l',
 655                         "LINE1:inc_avg#$FullBlue:Incoming",
 656                         #'GPRINT:inc_min:MIN:%5.1lf %s Min,',
 657                         'GPRINT:inc_avg:AVERAGE:%5.1lf%s Avg,',
 658                         'GPRINT:inc_max:MAX:%5.1lf%s Max,',
 659                         'GPRINT:inc_avg:LAST:%5.1lf%s Last',
 660                         'GPRINT:inc_avg_sum:LAST:(ca. %5.1lf%sB Total)\l'
 661                 ],
 662                 cpufreq => [
 663                         'DEF:cpufreq_avg={file}:value:AVERAGE',
 664                         'DEF:cpufreq_min={file}:value:MIN',
 665                         'DEF:cpufreq_max={file}:value:MAX',
 666                         "AREA:cpufreq_max#$HalfBlue",
 667                         "AREA:cpufreq_min#$Canvas",
 668                         "LINE1:cpufreq_avg#$FullBlue:Frequency",
 669                         'GPRINT:cpufreq_min:MIN:%5.1lf%s Min,',
 670                         'GPRINT:cpufreq_avg:AVERAGE:%5.1lf%s Avg,',
 671                         'GPRINT:cpufreq_max:MAX:%5.1lf%s Max,',
 672                         'GPRINT:cpufreq_avg:LAST:%5.1lf%s Last\l'
 673                 ],
 674                 users => [
 675                             'DEF:users_avg={file}:users:AVERAGE',
 676                             'DEF:users_min={file}:users:MIN',
 677                             'DEF:users_max={file}:users:MAX',
 678                             "AREA:users_max#$HalfBlue",
 679                             "AREA:users_min#$Canvas",
 680                             "LINE1:users_avg#$FullBlue:Users",
 681                             'GPRINT:users_min:MIN:%4.1lf Min,',
 682                             'GPRINT:users_avg:AVERAGE:%4.1lf Average,',
 683                             'GPRINT:users_max:MAX:%4.1lf Max,',
 684                             'GPRINT:users_avg:LAST:%4.1lf Last\l'
 685                 ]
 686         };
 687         $GraphDefs->{'disk'} = $GraphDefs->{'partition'};
 688         $GraphDefs->{'meminfo'} = $GraphDefs->{'memory'};
 689 }
 690
 691 our $GraphArgs =
 692 {
 693         cpu => ['-t', '{host} cpu{inst} usage', '-v', 'Percent', '-l', '0'],
 694         cpufreq => ['-t', '{host} cpu{inst} usage', '-v', 'Mhz'],
 695         #disk => ['-t', '{host} disk {inst} IO wait', '-v', 'Seconds'],
 696         df => ['-t', '{host}:{inst} usage', '-v', 'Percent', '-l', '0'],
 697         disk => ['-t', '{host} disk {inst} usage', '-v', 'Byte/s'],
 698         hddtemp => ['-t', '{host} hdd temperature {inst}', '-v', '°Celsius'],
 699         load => ['-t', '{host} load average', '-v', 'System load', '-X', '0'],
 700         mails   => ['-t', '{host} mail count', '-v', 'Amount', '-X', '0'],
 701         memory => ['-t', '{host} memory usage', '-v', 'Bytes', '-b', '1024', '-l', '0'],
 702         mysql_commands => ['-t', 'mysql command {inst}', '-v', 'Issues/s' ],
 703         mysql_handler => ['-t', 'mysql handler {inst}', '-v', 'Issues/s' ],
 704         nfs3_procedures => ['-t', '{host} NFSv3 {inst} procedures', '-v', 'Procedures/s' ],
 705         partition => ['-t', '{host} partition {inst} usage', '-v', 'Byte/s'],
 706         ping => ['-t', '{host} ping to {inst}', '-v', 'ms'],
 707         processes => ['-t', '{host} processes', '-v', 'Processes'],
 708         sensors => ['-t', '{host} sensor {inst}', '-v', '°Celsius'],
 709         swap => ['-t', '{host} swap usage', '-v', 'Bytes', '-b', '1024', '-l', '0'],
 710         traffic => ['-t', '{host} {inst} traffic', '-v', 'Bit/s'],
 711     users => ['-t', '{host} users', '-v', 'Users'],
 712 };
 713
 714 our $GraphMulti =
 715 {
 716         cpu     => \&output_graph_cpu,
 717         cpufreq => 1,
 718         disk    => 1,
 719         load    => 0,
 720         mails   => 0,
 721         memory  => 0,
 722         mysql_commands => \&output_graph_mysql_commands,
 723         mysql_handler => \&output_graph_mysql_handler,
 724         partition => 1,
 725         ping    => \&output_graph_ping,
 726         sensors => 1,
 727         traffic => 1,
 728     users => 1
 729 };
 730
 731 our @Info;
 732 if (defined ($ENV{'GATEWAY_INTERFACE'}))
 733 {
 734         @Info = ($ENV{'PATH_INFO'} || '') =~ m#([\w\-\.]+)#g;
 735 }
 736 else
 737 {
 738         @Info = @ARGV;
 739 }
 740
 741 parse_pathinfo (@Info);
 742
 743 if ($TimeSpan)
 744 {
 745         output_graph ();
 746 }
 747 else
 748 {
 749         output_page ();
 750 }
 751
 752 exit (0);
 753
 754 sub output_graph_cpu
 755 {
 756         my @inst = @_;
 757         my @ret = ();
 758
 759         die if (@inst < 2);
 760
 761         for (@inst)
 762         {
 763                 push (@ret,
 764                         "DEF:user_avg_$_=$AbsDir/cpu-$_.rrd:user:AVERAGE",
 765                         "DEF:user_min_$_=$AbsDir/cpu-$_.rrd:user:MIN",
 766                         "DEF:user_max_$_=$AbsDir/cpu-$_.rrd:user:MAX",
 767                         "DEF:nice_avg_$_=$AbsDir/cpu-$_.rrd:nice:AVERAGE",
 768                         "DEF:nice_min_$_=$AbsDir/cpu-$_.rrd:nice:MIN",
 769                         "DEF:nice_max_$_=$AbsDir/cpu-$_.rrd:nice:MAX",
 770                         "DEF:syst_avg_$_=$AbsDir/cpu-$_.rrd:syst:AVERAGE",
 771                         "DEF:syst_min_$_=$AbsDir/cpu-$_.rrd:syst:MIN",
 772                         "DEF:syst_max_$_=$AbsDir/cpu-$_.rrd:syst:MAX",
 773                         "DEF:wait_avg_$_=$AbsDir/cpu-$_.rrd:wait:AVERAGE",
 774                         "DEF:wait_min_$_=$AbsDir/cpu-$_.rrd:wait:MIN",
 775                         "DEF:wait_max_$_=$AbsDir/cpu-$_.rrd:wait:MAX");
 776         }
 777
 778         for (qw(user nice syst wait))
 779         {
 780                 my $def = $_;
 781                 my $cdef;
 782
 783                 my $default_value = ($def eq 'user' or $def eq 'syst') ? 'UNKN' : '0';
 784
 785                 for (qw(avg min max))
 786                 {
 787                         my $cf = $_;
 788
 789                         for (@inst)
 790                         {
 791                                 push (@ret, "CDEF:${def}_${cf}_notnull_${_}=${def}_${cf}_${_},UN,0,${def}_${cf}_${_},IF");
 792                                 push (@ret, "CDEF:${def}_${cf}_defined_${_}=${def}_${cf}_${_},UN,0,1,IF");
 793                         }
 794
 795                         $cdef = "CDEF:${def}_${cf}_num=" . join (',', map { "${def}_${cf}_defined_${_}" } (@inst));
 796                         $cdef .= ',+' x (scalar (@inst) - 1);
 797                         push (@ret, $cdef);
 798
 799                         $cdef = "CDEF:${def}_${cf}=${def}_${cf}_num," . join (',', map { "${def}_${cf}_notnull_${_}" } (@inst));
 800                         $cdef .= ',+' x (scalar (@inst) - 1);
 801                         $cdef .= ",${def}_${cf}_num,${def}_${cf}_num,1,IF,/,$default_value,IF";
 802                         push (@ret, $cdef);
 803                         push (@ret, "CDEF:${def}_${cf}_notnull=${def}_${cf},UN,0,${def}_${cf},IF");
 804                 }
 805         }
 806
 807         push (@ret,
 808                 "CDEF:nice_acc=syst_avg_notnull,wait_avg_notnull,user_avg_notnull,nice_avg_notnull,+,+,+",
 809                 "CDEF:user_acc=syst_avg_notnull,wait_avg_notnull,user_avg_notnull,+,+",
 810                 "CDEF:wait_acc=syst_avg_notnull,wait_avg_notnull,+",
 811                 "CDEF:syst_acc=syst_avg_notnull");
 812
 813         push (@ret, grep { $_ !~ m/^C?DEF/ } (@{$GraphDefs->{'cpu'}}));
 814
 815         return (@ret);
 816 }
 817
 818 sub output_graph_ping
 819 {
 820         my @inst = @_;
 821         my @ret = ();
 822
 823         die if (@inst < 2);
 824
 825         my @colors = get_n_colors (scalar (@inst));
 826
 827         for (my $i = 0; $i < scalar (@inst); $i++)
 828         {
 829                 my $inst = $inst[$i];
 830                 push (@ret,
 831                         "DEF:avg_$i=$AbsDir/ping-$inst.rrd:ping:AVERAGE",
 832                         "DEF:min_$i=$AbsDir/ping-$inst.rrd:ping:MIN",
 833                         "DEF:max_$i=$AbsDir/ping-$inst.rrd:ping:MAX");
 834         }
 835
 836         for (my $i = 0; $i < scalar (@inst); $i++)
 837         {
 838                 my $inst = $inst[$i];
 839                 my $color = $colors[$i];
 840
 841                 if (length ($inst) > 15)
 842                 {
 843                         $inst = substr ($inst, 0, 12) . '...';
 844                 }
 845                 else
 846                 {
 847                         $inst = sprintf ('%-15s', $inst);
 848                 }
 849
 850                 push (@ret,
 851                         "LINE1:avg_$i#$color:$inst",
 852                         "GPRINT:min_$i:MIN:%4.1lf ms Min,",
 853                         "GPRINT:avg_$i:AVERAGE:%4.1lf ms Avg,",
 854                         "GPRINT:max_$i:MAX:%4.1lf ms Max,",
 855                         "GPRINT:avg_$i:LAST:%4.1lf ms Last\\l");
 856         }
 857
 858         return (@ret);
 859 }
 860
 861 sub output_graph_mysql_commands
 862 {
 863         my @inst = @_;
 864         my @ret = ();
 865
 866         die if (@inst < 2);
 867
 868         my @colors = get_n_colors (scalar (@inst));
 869
 870         for (my $i = 0; $i < scalar (@inst); $i++)
 871         {
 872                 my $inst = $inst[$i];
 873                 push (@ret,
 874                         "DEF:avg_$i=$AbsDir/mysql_commands-$inst.rrd:value:AVERAGE",
 875                         "DEF:min_$i=$AbsDir/mysql_commands-$inst.rrd:value:MIN",
 876                         "DEF:max_$i=$AbsDir/mysql_commands-$inst.rrd:value:MAX");
 877         }
 878
 879         for (my $i = 0; $i < scalar (@inst); $i++)
 880         {
 881                 my $inst = $inst[$i];
 882                 my $color = $colors[$i];
 883
 884                 if (length ($inst) > 18)
 885                 {
 886                         $inst = substr ($inst, 0, 15) . '...';
 887                 }
 888                 else
 889                 {
 890                         $inst = sprintf ('%-18s', $inst);
 891                 }
 892
 893                 push (@ret,
 894                         "LINE1:avg_$i#$color:$inst",
 895                         "GPRINT:min_$i:MIN:%6.1lf Min,",
 896                         "GPRINT:avg_$i:AVERAGE:%6.1lf Avg,",
 897                         "GPRINT:max_$i:MAX:%6.1lf Max,",
 898                         "GPRINT:avg_$i:LAST:%6.1lf Last\\l");
 899         }
 900
 901         return (@ret);
 902 }
 903
 904 sub output_graph_mysql_handler
 905 {
 906         my @inst = @_;
 907         my @ret = ();
 908
 909         die if (@inst < 2);
 910
 911         my @colors = get_n_colors (scalar (@inst));
 912
 913         for (my $i = 0; $i < scalar (@inst); $i++)
 914         {
 915                 my $inst = $inst[$i];
 916                 push (@ret,
 917                         "DEF:avg_$i=$AbsDir/mysql_handler-$inst.rrd:value:AVERAGE",
 918                         "DEF:min_$i=$AbsDir/mysql_handler-$inst.rrd:value:MIN",
 919                         "DEF:max_$i=$AbsDir/mysql_handler-$inst.rrd:value:MAX");
 920         }
 921
 922         for (my $i = 0; $i < scalar (@inst); $i++)
 923         {
 924                 my $inst = $inst[$i];
 925                 my $color = $colors[$i];
 926
 927                 if (length ($inst) > 18)
 928                 {
 929                         $inst = substr ($inst, 0, 15) . '...';
 930                 }
 931                 else
 932                 {
 933                         $inst = sprintf ('%-18s', $inst);
 934                 }
 935
 936                 push (@ret,
 937                         "LINE1:avg_$i#$color:$inst",
 938                         "GPRINT:min_$i:MIN:%6.1lf Min,",
 939                         "GPRINT:avg_$i:AVERAGE:%6.1lf Avg,",
 940                         "GPRINT:max_$i:MAX:%6.1lf Max,",
 941                         "GPRINT:avg_$i:LAST:%6.1lf Last\\l");
 942         }
 943
 944         return (@ret);
 945 }
 946
 947 sub output_graph
 948 {
 949         die unless (defined ($GraphDefs->{$Type}));
 950
 951         my $host;
 952         my @cmd = ();
 953         my $file = $AbsDir . '/';
 954         my $files = get_all_files ($AbsDir);
 955
 956         #
 957         # get hostname
 958         #
 959         if ($RelDir =~ m#([^/]+)$#)
 960         {
 961                 $host = $1;
 962         }
 963         else
 964         {
 965                 $host = $Config->{'HostName'};
 966         }
 967
 968         #
 969         # get timespan
 970         #
 971         if ($TimeSpan =~ m/(\d+)/)
 972         {
 973                 $TimeSpan = -1 * int ($1);
 974         }
 975         else
 976         {
 977                 my %t = (hour => -3600, day => -86400, week => -604800, month => -2678400, year => -31622400);
 978                 die unless (defined ($t{$TimeSpan}));
 979                 $TimeSpan = $t{$TimeSpan};
 980         }
 981
 982         if (scalar (@{$files->{$Type}}) == 1)
 983         {
 984                 $Inst = $files->{$Type}[0];
 985         }
 986
 987         push (@cmd, '-', '-a', 'PNG', '-s', $TimeSpan);
 988         push (@cmd, @{$GraphArgs->{$Type}}) if (defined ($GraphArgs->{$Type}));
 989
 990         for (qw(Back ShadeA ShadeB Font Canvas Grid MGrid Frame Arrow))
 991         {
 992                 push (@cmd, '-c', uc ($_) . '#' . $Config->{'Colors'}{$_});
 993         }
 994
 995         if ((length ($Inst) == 0) and (ref ($GraphMulti->{$Type}) eq 'CODE'))
 996         {
 997                 push (@cmd, $GraphMulti->{$Type}->(@{$files->{$Type}}));
 998         }
 999         else
1000         {
1001                 if (length ("$Inst"))
1002                 {
1003                         $file .= "$Type-$Inst.rrd";
1004                 }
1005                 else
1006                 {
1007                         $file .= "$Type.rrd";
1008                 }
1009
1010                 die ("File not found: $file") unless (-e $file);
1011
1012                 push (@cmd, @{$GraphDefs->{$Type}});
1013         }
1014
1015         for (@cmd)
1016         {
1017                 $_ =~ s/{file}/$file/g;
1018                 $_ =~ s/{host}/$host/g;
1019                 $_ =~ s/{inst}/$Inst/g;
1020                 $_ =~ s/{type}/$Type/g;
1021         }
1022
1023         $| = 1;
1024
1025         print STDOUT <<HEADER if (defined ($ENV{'GATEWAY_INTERFACE'}));
1026 Content-Type: image/png
1027 Cache-Control: no-cache
1028
1029 HEADER
1030
1031         if (1)
1032         {
1033                 my $fh;
1034                 open ($fh, ">/tmp/collection.log") or die ("open: $!");
1035                 flock ($fh, LOCK_EX) or die ("flock: $!");
1036
1037                 print $fh join ("\n\t", @cmd) . "\n";
1038
1039                 close ($fh);
1040         }
1041
1042         RRDs::graph (@cmd);
1043
1044         die ('RRDs::error: ' . RRDs::error ()) if (RRDs::error ());
1045 }
1046
1047 sub output_page
1048 {
1049         my $files = get_all_files ($AbsDir);
1050         my $dirs  = get_all_dirs  ($AbsDir);
1051
1052         print STDOUT <<HEADER if (defined ($ENV{'GATEWAY_INTERFACE'}));
1053 Content-Type: text/html
1054 Cache-Control: no-cache
1055
1056 <html>
1057         <head>
1058                 <title>Collection: $RelDir</title>
1059                 <style type="text/css">
1060                         img { border: none; display: block; }
1061                 </style>
1062         </head>
1063
1064         <body>
1065 HEADER
1066
1067         my $MySelf = defined ($ENV{'GATEWAY_INTERFACE'}) ? $ENV{'SCRIPT_NAME'} : $0;
1068
1069         if ((length ($Type) != 0) and (length ($Inst) == 0) and (ref ($GraphMulti->{$Type}) eq 'CODE') and (scalar (@{$files->{$Type}}) > 1))
1070         {
1071                 print qq(\t\t<div><a href="$MySelf$RelDir">Go up</a></div>\n);
1072
1073                 print "\t\t<ul>\n";
1074                 for (@{$files->{$Type}})
1075                 {
1076                         print qq(\t\t\t<li><a href="$MySelf$RelDir/$Type/$_">$_</a></li>\n);
1077                 }
1078                 print <<HTML;
1079                 </ul>
1080
1081                 <h3>Daily</h3>
1082                 <div><img src="$MySelf$RelDir/$Type/day" /></div>
1083                 <h3>Weekly</h3>
1084                 <div><img src="$MySelf$RelDir/$Type/week" /></div>
1085                 <h3>Monthly</h3>
1086                 <div><img src="$MySelf$RelDir/$Type/month" /></div>
1087                 <h3>Yearly</h3>
1088                 <div><img src="$MySelf$RelDir/$Type/year" /></div>
1089 HTML
1090         }
1091         elsif (length ($Type) != 0)
1092         {
1093                 my $ext = length ($Inst) ? "$Type/$Inst" : $Type;
1094
1095                 if ((ref ($GraphMulti->{$Type}) eq 'CODE') and (scalar (@{$files->{$Type}}) > 1))
1096                 {
1097                         print qq(<div><a href="$MySelf$RelDir/$Type">Go up</a></div>\n);
1098                 }
1099                 else
1100                 {
1101                         print qq(<div><a href="$MySelf$RelDir">Go up</a></div>\n);
1102                 }
1103
1104                 print <<HTML;
1105                 <h3>Daily</h3>
1106                 <div><img src="$MySelf$RelDir/$ext/day" /></div>
1107                 <h3>Weekly</h3>
1108                 <div><img src="$MySelf$RelDir/$ext/week" /></div>
1109                 <h3>Monthly</h3>
1110                 <div><img src="$MySelf$RelDir/$ext/month" /></div>
1111                 <h3>Yearly</h3>
1112                 <div><img src="$MySelf$RelDir/$ext/year" /></div>
1113 HTML
1114         }
1115         else
1116         {
1117                 if ($RelDir)
1118                 {
1119                         my ($up) = $RelDir =~ m#(.*)/[^/]+$#;
1120                         print qq(\t\t<div><a href="$MySelf$up">Go up</a></div>\n);
1121                 }
1122
1123                 if (@$dirs)
1124                 {
1125                         print "<ul>\n";
1126                         for (@$dirs)
1127                         {
1128                                 print qq(<li>$AbsDir/<a href="$MySelf$RelDir/$_">$_</a></li>\n);
1129                         }
1130                         print "</ul>\n";
1131                 }
1132
1133                 for (sort (keys %$files))
1134                 {
1135                         my $type = $_;
1136
1137                         if (ref ($GraphMulti->{$type}) eq 'CODE')
1138                         {
1139                                 print qq(\t\t<a href="$MySelf$RelDir/$type" />),
1140                                 qq(<img src="$MySelf$RelDir/$type/day" /></a>\n);
1141                                 next;
1142                         }
1143
1144                         for (@{$files->{$type}})
1145                         {
1146                                 my $inst = "$_";
1147
1148                                 if (length ($inst))
1149                                 {
1150                                         print qq(\t\t<a href="$MySelf$RelDir/$type/$inst" />),
1151                                         qq(<img src="$MySelf$RelDir/$type/$inst/day" /></a>\n);
1152                                 }
1153                                 else
1154                                 {
1155                                         print qq(\t\t<a href="$MySelf$RelDir/$type" />),
1156                                         qq(<img src="$MySelf$RelDir/$type/day" /></a>\n);
1157                                 }
1158                         }
1159                 }
1160         }
1161
1162         print STDOUT <<FOOTER if (defined ($ENV{'GATEWAY_INTERFACE'}));
1163         </body>
1164 </html>
1165 FOOTER
1166 }
1167
1168 sub output_xml
1169 {
1170         my $files = get_all_files ();
1171
1172         print STDOUT <<HEADER if (defined ($ENV{'GATEWAY_INTERFACE'}));
1173 Content-Type: text/xml
1174 Cache-Control: no-cache
1175
1176 HEADER
1177         print STDOUT pl2xml ($files);
1178 }
1179
1180 sub read_config
1181 {
1182         my $file = @_ ? shift : '/etc/collection.conf';
1183         my $conf;
1184         my $fh;
1185
1186 #       if (open ($fh, "< $file"))
1187 #       {
1188 #               my $xml;
1189 #               local $/ = undef;
1190 #               $xml = <$fh>;
1191 #
1192 #               eval
1193 #               {
1194 #                       $conf = xml2pl ($xml);
1195 #               };
1196 #               close ($fh);
1197 #       }
1198
1199         if (!$conf)
1200         {
1201                 return ({
1202                                 Colors =>
1203                                 {
1204                                         Back    => 'FFFFFF',
1205                                         ShadeA  => 'FFFFFF',
1206                                         ShadeB  => 'FFFFFF',
1207                                         Font    => '000000',
1208                                         Canvas  => 'F5F5F5',
1209                                         Grid    => 'D0D0D0',
1210                                         MGrid   => 'A0A0A0',
1211                                         Frame   => '646464',
1212                                         Arrow   => 'FF0000',
1213
1214                                         FullRed         => 'FF0000',
1215                                         FullBlue        => '0000FF',
1216                                         FullGreen       => '00E000',
1217                                         FullYellow      => 'F0A000',
1218                                         FullCyan        => '00A0FF',
1219                                         FullMagenta     => 'A000FF',
1220                                         Alpha           => 0.25,
1221                                         HalfRed         => 'F8B8B8',
1222                                         HalfBlue        => 'B8B8F8',
1223                                         HalfGreen       => 'B8F0B8',
1224                                         HalfYellow      => 'F4F4B8'
1225                                 },
1226                                 Directory => '/var/lib/collectd',
1227                                 HostName  => (defined ($ENV{'SERVER_NAME'}) ? $ENV{'SERVER_NAME'} : 'localhost')
1228                         });
1229         }
1230         else
1231         {
1232                 return ($conf);
1233         }
1234 }
1235
1236 sub parse_pathinfo
1237 {
1238         my @info = @_;
1239
1240         $AbsDir = $Config->{'Directory'};
1241         $RelDir = '';
1242
1243         while (@info and -d $AbsDir . '/' . $Info[0])
1244         {
1245                 my $new = shift (@info);
1246                 next if ($new =~ m/^\./);
1247
1248                 $AbsDir .= '/' . $new;
1249                 $RelDir .= '/' . $new;
1250         }
1251
1252         $Type = '';
1253         $Inst = '';
1254         $TimeSpan = '';
1255
1256         confess ("parse_pathinfo: too many elements in pathinfo") if (scalar (@info) > 3);
1257         return unless (@info);
1258
1259         $Type = shift (@info);
1260         return unless (@info);
1261
1262         if ($info[-1] =~ m/^(hour|day|week|month|year)$/i)
1263         {
1264                 $TimeSpan = pop (@info);
1265         }
1266
1267         $Inst = shift (@info) if (@info);
1268
1269         confess ("unrecognized elements in pathinfo") if (@info);
1270 }
1271
1272 sub get_all_files
1273 {
1274         my $dir = @_ ? shift : $Config->{'Directory'};
1275         my $hash = {};
1276         my $dh;
1277
1278         if (opendir ($dh, $dir))
1279         {
1280                 while (my $thing = readdir ($dh))
1281                 {
1282                         next if ($thing =~ m/^\./);
1283
1284                         my $type;
1285                         my $inst;
1286
1287                         if ($thing =~ m/^(\w+)-([\w\-\.]+)\.rrd$/)
1288                         {
1289                                 $type = $1;
1290                                 $inst = $2;
1291                         }
1292                         elsif ($thing =~ m/^(\w+)\.rrd$/)
1293                         {
1294                                 $type = $1;
1295                                 $inst = '';
1296                         }
1297                         else
1298                         {
1299                                 next;
1300                         }
1301
1302                         # Only load RRD files we can actually display..
1303                         next unless (defined ($GraphDefs->{$type}));
1304
1305                         $hash->{$type} = [] unless (defined ($hash->{$type}));
1306                         push (@{$hash->{$type}}, $inst);
1307                 }
1308
1309                 closedir ($dh);
1310         }
1311
1312         return ($hash);
1313 }
1314
1315 sub get_all_dirs
1316 {
1317         my $dir = @_ ? shift : $Config->{'Directory'};
1318         my @ret = ();
1319         my $dh;
1320
1321         if (opendir ($dh, $dir))
1322         {
1323                 while (my $thing = readdir ($dh))
1324                 {
1325                         next if ($thing =~ m/^\./);
1326
1327                         next if (!-d "$dir/$thing");
1328
1329                         push (@ret, $thing);
1330                 }
1331
1332                 closedir ($dh);
1333         }
1334
1335         return (@ret) if (wantarray ());
1336         return (\@ret);
1337 }
1338
1339 sub color_hex2rgb
1340 {
1341         my $color = shift;
1342
1343         my ($red, $green, $blue) = map { ord (pack ("H2", $_)) } ($color =~ m/([A-Fa-f0-9]{2})/g);
1344         #print STDERR "$color -> rgb($red,$green,$blue)\n";
1345
1346         return ($red, $green, $blue);
1347 }
1348
1349 sub color_rgb2hex
1350 {
1351         croak unless (scalar (@_) == 3);
1352
1353         my ($red, $green, $blue) = @_;
1354
1355         my $ret = sprintf ("%02X%02X%02X", $red, $green, $blue);
1356         #print STDERR "rgb($red,$green,$blue) -> $ret\n";
1357
1358         return ($ret);
1359 }
1360
1361 sub color_calculate_transparent
1362 {
1363         my $alpha = shift;
1364         my $canvas = [color_hex2rgb (shift)];
1365         my @colors = map { [color_hex2rgb ($_)] } (@_);
1366
1367         if (($alpha < 0.0) or ($alpha > 1.0))
1368         {
1369                 $alpha = 1.0;
1370         }
1371
1372         if ($alpha == 0.0)
1373         {
1374                 return (color_rgb2hex (@$canvas));
1375         }
1376         if ($alpha == 1.0)
1377         {
1378                 return (color_rgb2hex (@{$colors[-1]}));
1379         }
1380
1381         my $ret = _color_calculate_transparent ($alpha, $canvas, @colors);
1382
1383         return (color_rgb2hex (@$ret));
1384 }
1385
1386 sub _color_calculate_transparent
1387 {
1388         my $alpha = shift;
1389         my $canvas = shift;
1390         my $color = shift;
1391         my @colors = @_ ? shift : ();
1392         my $ret = [0, 0, 0];
1393
1394         for (my $i = 0; $i < 3; $i++)
1395         {
1396                 $ret->[$i] = ($alpha * $color->[$i]) + ((1 - $alpha) * $canvas->[$i]);
1397         }
1398
1399         return (_color_calculate_transparent ($alpha, $ret, @colors)) if (@colors);
1400         return ($ret);
1401 }
1402
1403 sub get_n_colors
1404 {
1405         my $num = shift;
1406         my @ret = ();
1407
1408         for (my $i = 0; $i < $num; $i++)
1409         {
1410                 my $pos = 6 * $i / $num;
1411                 my $n = int ($pos);
1412                 my $p = $pos - $n;
1413                 my $q = 1 - $p;
1414
1415                 my $red   = 0;
1416                 my $green = 0;
1417                 my $blue  = 0;
1418
1419                 if ($n == 0)
1420                 {
1421                         $red  = 255;
1422                         $blue = 255 * $p;
1423                 }
1424                 elsif ($n == 1)
1425                 {
1426                         $red  = 255 * $q;
1427                         $blue = 255;
1428                 }
1429                 elsif ($n == 2)
1430                 {
1431                         $green = 255 * $p;
1432                         $blue  = 255;
1433                 }
1434                 elsif ($n == 3)
1435                 {
1436                         $green = 255;
1437                         $blue  = 255 * $q;
1438                 }
1439                 elsif ($n == 4)
1440                 {
1441                         $red   = 255 * $p;
1442                         $green = 255;
1443                 }
1444                 elsif ($n == 5)
1445                 {
1446                         $red   = 255;
1447                         $green = 255 * $q;
1448                 }
1449                 else { die; }
1450
1451                 push (@ret, sprintf ("%02x%02x%02x", $red, $green, $blue));
1452         }
1453
1454         return (@ret);
1455 }