perl/Mrtg.pm

   1 #
   2 # the MRTG handler
   3 #
   4 # Copyright (c) - 2002 Dirk Koopman G1TLH
   5 #
   6 # $Id$
   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 ##
  40 ##
  41 EOF
  42
  43         return $self;
  44 }
  45
  46 sub run
  47 {
  48         my $self = shift;
  49         $self->{mc}->close;
  50         return `mrtg $self->{cfg}`;
  51 }
  52
  53 sub data
  54 {
  55         my ($self, $name, $vali, $valo, $title) = @_;
  56         my $uptime = main::uptime();
  57
  58         if (my $m = new IO::File ">$self->{dir}/$name" ) {
  59                 $m->print("$vali\n$valo\n$uptime\n$title\n");
  60                 $m->close;
  61         } else {
  62                 dbg("MRTG: cannot open $self->{dir}/$name $!");
  63         }
  64 }
  65
  66 sub cfgprint
  67 {
  68         my ($self, $name, $options, $max, $title, $legend, $iname, $oname) = @_;
  69         my $opt = join ', ', @$options, qw(withzeroes growright nopercent integer);
  70
  71         $self->{mc}->print(<<"EOF");
  72
  73 #
  74 # $title
  75 #
  76
  77 Target[$name]: `cat /spider/mrtg/$name`
  78 MaxBytes[$name]: $max
  79 Title[$name]: $title
  80 Options[$name]: $opt
  81 YLegend[$name]: $legend
  82 YTicsFactor[$name]: 1
  83 ShortLegend[$name]: \&nbsp;
  84 Legend1[$name]:Maximum No of $iname
  85 Legend2[$name]:Maximum No of $oname
  86 LegendI[$name]:$iname
  87 LegendO[$name]:$oname
  88 PageTop[$name]: <H1>$title</H1>
  89  <TABLE>
  90    <TR><TD>System:</TD>     <TD>$main::mycall</TD></TR>
  91    <TR><TD>Maintainer:</TD> <TD>$main::myemail</TD></TR>
  92    <TR><TD>Description:</TD><TD>$title</TD></TR>
  93  </TABLE>
  94 EOF
  95
  96 }
  97 1;