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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;
+ }
+ }
+}