perl/Mrtg.pm

   1 ##
   2 # the MRTG handler
   3 #
   4 # Copyright (c) - 2002 Dirk Koopman G1TLH
   5 #
   6 #
   7 #
   8
   9 package Mrtg;
  10
  11 use IO::File;
  12 use DXVars;
  13 use DXDebug;
  14 use DXUtil;
  15 use strict;
  16
  17 sub new
  18 {
  19         my $pkg = shift;
  20         my $class = ref $pkg || $pkg;
  21         my %args = @_;
  22         my $self = bless { }, $class;
  23
  24         # argument processing
  25         $self->{dir} = $args{dir} || "$main::root/mrtg";
  26         $self->{html} = $args{html} || "$main::root/html/mrtg";
  27         $self->{cfg} = $args{cfg} || "$self->{dir}/mrtg.cfg";
  28
  29         my $mc = new IO::File ">$self->{cfg}" or return undef;
  30         $self->{mc} = $mc;
  31
  32         # print out the header
  33         print $mc <<"EOF";
  34 ### Global Defaults
  35 Htmldir: $self->{html}
  36 Imagedir: $self->{html}
  37 Logdir: $self->{dir}
  38 Options[_]: growright
  39 Timezone[_]: GMT
  40 ##
  41 ##
  42 EOF
  43
  44         return $self;
  45 }
  46
  47 sub run
  48 {
  49         my $self = shift;
  50         $self->{mc}->close;
  51         return `mrtg --lock-file=$self->{dir}/mrtg.lock --confcache-file=$self->{dir}/mrtg.confcache $self->{cfg}`;
  52 }
  53
  54 sub data
  55 {
  56         my ($self, $name, $vali, $valo, $title) = @_;
  57         my $uptime = main::uptime();
  58         $vali ||= 0;
  59         $valo ||= 0;
  60
  61         if (my $m = new IO::File ">$self->{dir}/$name" ) {
  62                 $m->print("$vali\n$valo\n$uptime\n$title\n");
  63                 $m->close;
  64         } else {
  65                 dbg("MRTG: cannot open $self->{dir}/$name $!");
  66         }
  67 }
  68
  69 sub cfgprint
  70 {
  71         my ($self, $name, $options, $max, $title, $legend, $iname, $oname, $yticsfactor) = @_;
  72         my $opt = join ', ', @$options, qw(withzeroes growright nopercent integer);
  73         $yticsfactor ||= 1;
  74
  75         $self->{mc}->print(<<"EOF");
  76
  77 #
  78 # $title
  79 #
  80
  81 Target[$name]: `cat /spider/mrtg/$name`
  82 MaxBytes[$name]: $max
  83 Title[$name]: $title
  84 Options[$name]: $opt
  85 YLegend[$name]: $legend
  86 YTicsFactor[$name]: $yticsfactor
  87 ShortLegend[$name]: \&nbsp;
  88 Legend1[$name]:Maximum No of $iname
  89 Legend2[$name]:Maximum No of $oname
  90 LegendI[$name]:$iname
  91 LegendO[$name]:$oname
  92 PageTop[$name]: <H1>$title</H1>
  93  <TABLE>
  94    <TR><TD>System:</TD>     <TD>$main::mycall</TD></TR>
  95    <TR><TD>Maintainer:</TD> <TD>$main::myemail</TD></TR>
  96    <TR><TD>Description:</TD><TD>$title</TD></TR>
  97  </TABLE>
  98 EOF
  99
 100 }
 101 1;