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#!/usr/bin/perl -w
#
# Copyright (C) Rune Nordboe Skillingstad, Sveinung Marvik
# Reports supplies (ie. toner level) on printers adhering to RFC1759
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2 dated June,
# 1991.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#
#
# Graphs supplies of HP printers (toner/ink)
#
# downloaded by Peter Palfrader from http://munin.projects.linpro.no/wiki/plugin-snmp__supplies
# Wed, 9 Aug 2006 16:48:17 +0200
#
#%# family=snmpauto
#%# capabilities=snmpconf
use strict;
use Net::SNMP;
my $DEBUG = $ENV{'DEBUG'} || 0;
my $MAXLABEL = 20;
my $host = $ENV{host} || undef;
my $port = $ENV{port} || 161;
my $community = $ENV{community} || "public";
my $iface = $ENV{interface} || undef;
my $timeout = $ENV{timeout} || 1;
my $warning = $ENV{warning} || 10;
my $critical = $ENV{critical} || 5;
my %cache;
my %supplies;
if(defined $ARGV[0] and $ARGV[0] eq "snmpconf") {
print "require 1.3.6.1.2.1.43.11.1.1.6.1.1\n";
print "require 1.3.6.1.2.1.43.11.1.1.8.1.1 ^\\d\n";
print "require 1.3.6.1.2.1.43.11.1.1.9.1.1 ^\\d\n";
exit 0;
}
if($0 =~ /^(?:|.*\/)snmp_([^_]+)_supplies$/) {
$host = $1;
if($host =~ /^([^:]+):(\d+)$/) {
$host = $1;
$port = $2;
}
}
elsif(!defined($host)) {
print "# Debug: $0 -- $1\n" if $DEBUG;
die "# Error: couldn't understand what I'm supposed to monitor.";
}
my ($session, $error) = Net::SNMP->session(
-hostname => $host,
-community => $community,
-port => $port,
-timeout => $timeout
);
if(!defined ($session)) {
die "Croaking: $error";
}
&get_multiple ($session, "1.3.6.1.2.1.43.11.1.1.6", "desc");
&get_multiple ($session, "1.3.6.1.2.1.43.11.1.1.8", "max");
&get_multiple ($session, "1.3.6.1.2.1.43.11.1.1.9", "level");
&wash_data;
# Configure
if(defined $ARGV[0] and $ARGV[0] eq "config") {
print "host_name $host\n";
print "graph_title Supply Level\n";
print "graph_args --base 1000 -l 0 --upper-limit 100\n";
print "graph_vlabel %\n";
print "graph_scale no";
print "graph_category other\n";
print "graph_info This graph represents supplies level\n";
foreach my $supply (keys(%supplies)) {
print "supply$supply.label ".(length($supplies{$supply}{desc})<=$MAXLABEL ? $supplies{$supply}{desc} : substr($supplies{$supply}{desc},0,($MAXLABEL-3)))."...";
print "\n";
print "supply$supply.draw LINE1\n";
print "supply$supply.info ".$supplies{$supply}{desc}."\n";
print "supply$supply.warning $warning:100\n";
print "supply$supply.critical $critical:100\n";
}
exit 0;
}
# Values
if (keys(%supplies) > 0) {
foreach my $supply (keys(%supplies)) {
printf "supply%s.value %.2f\n",$supply,
($supplies{$supply}{level}/$supplies{$supply}{max})*100;
}
}
sub get_multiple {
my $handle = shift;
my $oid = shift;
my $type = shift;
print "# Getting table $oid...\n" if $DEBUG;
my $response = $handle->get_table($oid);
if(!defined($response)) {
return "";
} else {
foreach my $key (keys(%{$response})) {
$supplies{&keyname($key)}{$type} = $response->{$key};
print "$key -> ".$response->{$key}."\n" if $DEBUG;
}
}
}
sub keyname {
my $key = shift;
if (defined $cache{$key}) {
return $cache{$key};
}
my $tkey = $key;
$tkey =~ s/.*(\d+\.\d+)$/$1/;
$tkey =~ s/\./_/;
$cache{$key} = $tkey;
return $tkey;
}
sub wash_data {
# Get rid of supply-levels reporting negative values
foreach my $supply (keys (%supplies)) {
if ($supplies{$supply}{level} < 0) {
delete $supplies{$supply};
print "# Deleting entry $supply: supply level unknown.\n" if $DEBUG;
}
}
}
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