#!/usr/bin/perl -w

=head1 MAGIC MARKERS

  #%# family=snmpauto
  #%# capabilities=snmpconf

=cut

use strict;
use Munin::Plugin;
use Munin::Plugin::SNMP;

my $DEBUG=$ENV{'MUNIN_DEBUG'};

# This is the snmpwalk:
# snAgentTempSensorDescr.1.1 = STRING: "Line module 1, sensor 1 temperature"
# snAgentTempSensorDescr.1.2 = STRING: "Line module 1, sensor 2 temperature"
# snAgentTempSensorDescr.1.3 = STRING: "Line module 1, sensor 3 temperature"
# snAgentTempSensorDescr.1.4 = STRING: "Line module 1, sensor 4 temperature"
# snAgentTempSensorDescr.2.1 = STRING: "Line module 2, sensor 1 temperature"
# snAgentTempSensorDescr.2.2 = STRING: "Line module 2, sensor 2 temperature"
# snAgentTempSensorDescr.2.3 = STRING: "Line module 2, sensor 3 temperature"
# snAgentTempSensorDescr.2.4 = STRING: "Line module 2, sensor 4 temperature"
# snAgentTempSensorDescr.3.1 = STRING: "Active management module temperature"
# snAgentTempSensorDescr.3.2 = STRING: "Active management module temperature"
# snAgentTempValue.1.1 = INTEGER: 100
# snAgentTempValue.1.2 = INTEGER: 106
# snAgentTempValue.1.3 = INTEGER: 82
# snAgentTempValue.1.4 = INTEGER: 72
# snAgentTempValue.2.1 = INTEGER: 74
# snAgentTempValue.2.2 = INTEGER: 102
# snAgentTempValue.2.3 = INTEGER: 70
# snAgentTempValue.2.4 = INTEGER: 74
# snAgentTempValue.3.1 = INTEGER: 78
# snAgentTempValue.3.2 = INTEGER: 84

my $brcdIp = '1.3.6.1.4.1.1991';
my $snAgentTempTable = "$brcdIp.1.1.2.13.1";
my $snAgentTempSensorDescr = "$snAgentTempTable.1.3";
my $snAgentTempValue = "$snAgentTempTable.1.4";


if (defined $ARGV[0] and $ARGV[0] eq "snmpconf") {
    print "index   $snAgentTempTable.1.3.\n";
    print "require $snAgentTempSensorDescr. [1-9]\n";
    print "require $snAgentTempValue. [1-9]\n";
    exit 0;
}

my $module = 0;

if ($Munin::Plugin::me =~ /_module_(\d+)$/) {
    $module = $1;
} else {
    die "Could not determine module number from ".$Munin::Plugin::me."\n";
}

my ($session,$error);

$session = Munin::Plugin::SNMP->session(-translate => [ -nosuchinstance => undef ]);

my $sensor = 1;
if ($ARGV[0] and $ARGV[0] eq "config") {
    my ($host,undef,$version) = Munin::Plugin::SNMP->config_session();

    print "host_name $host\n" unless $host eq 'localhost';
    print "graph_title Module $module
graph_args --base 1000 --lower-limit 0
graph_vlabel °C
graph_category sensors
graph_scale no\n";

    my $descr = undef;
    while (defined ($descr = $session->get_single("$snAgentTempSensorDescr.$module.$sensor"))) {
        print "sensor$sensor.label $descr\n";
        $sensor ++;
    }
    exit 0;
}

my $value = undef;
while (defined ($value = $session->get_single("$snAgentTempValue.$module.$sensor"))) {
    $value /= 2;
    print "sensor$sensor.value $value\n";
    $sensor++;
}
# vim:ft=perl