#!/usr/bin/perl 
#
#
# check_most.pl -i <ip address> -p <port> -c community -o <oid> [warn] [critical]
#
# NetSaint host script to get the disk usage from NT snmp
#
# Changes and Modifications
# =========================
# 3-Aug-2000 - Xavier Dusart
#			Created
# 2003		- Rainer Duffner

BEGIN {
        if ($0 =~ m/^(.*?)[\/\\]([^\/\\]+)$/) {
                $runtimedir = $1;
                $PROGNAME = $2;
        }
}



require 5.004;
use POSIX;
#use strict;
use Getopt::Std ;
use BER;
require 'SNMP_Session.pm';
use vars qw($opt_H $opt_p $opt_C $opt_s $opt_w $opt_c $opt_h $PROGNAME);
use lib $main::runtimedir;
use utils qw($TIMEOUT %ERRORS &print_revision &usage &support);
use snmputil qw(%FSC_LOCALE %FSC_TEMP_CONDITION);

delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};   # Make %ENV safer


getopts('H:p:C:s:w:c:hV') ;

my $ip_address=undef ;

if ($opt_h)  {&help();}

if ($opt_H =~ m/^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+|[a-zA-Z][-a-zA-Z0-9]*(\.[a-zA-Z][-a-zA
-Z0-9]*)*)$/) {
	$ip_address = $opt_H ;
	}
else {
	usage();
	print "IP-Address format wrong\n";
	exit $ERRORS{'UNKNOWN'};
	}	

#if ($opt_p =~ m/^[0-9]

my $port = $opt_p;

my $community = $opt_C;

my $sensor  = $opt_s ;

#my $warning = $opt_w;

#my $critical = $opt_c;


	my $temperature_locale_oid    = encode_oid (1,3,6,1,4,1,231,2,10,2,2,5,2,1,1,4,0,$sensor-1 );
# not used for the moment - gives no usable output
# if reused, enter at end of list to avoid renumbering !
	my $temperature_celsius_oid   = encode_oid (1,3,6,1,4,1,231,2,10,2,2,5,2,1,1,11,0,$sensor-1 );
	my $temperature_warning_oid = encode_oid (1,3,6,1,4,1,231,2,10,2,2,5,2,1,1,6,0,$sensor-1 );
	my $temperature_critical_oid =encode_oid (1,3,6,1,4,1,231,2,10,2,2,5,2,1,1,8,0,$sensor-1 );
	my $temperature_condition_oid = encode_oid (1,3,6,1,4,1,231,2,10,2,2,5,2,1,1,3,0,$sensor-1 );
	my $count=1 ;
	my $label ;
	my @r_array=();
	my $q ;
	my $diff ;
	$warning=$warning/100 ;
	$crititcal=$critical/100 ;


# get temperature, temperature_threshold bfore shutdown 
	my $session=SNMP_Session->open ($ip_address, $community, $port) || die "couldn't open SNMP-session to host" ;

	if ($session->get_request_response ($temperature_celsius_oid, $temperature_warning_oid, $temperature_critical_oid, $temperature_condition_oid, $temperature_locale_oid )) {
   		(my $bindings) = $session->decode_get_response ($session->{pdu_buffer});
		while ($bindings ne '') {
         		($binding, $bindings) = &decode_sequence ($bindings) ;
         		($oid,$value) = &decode_by_template ($binding,"%O%@");
 			$r_array[$count]=&pretty_print($value);
			$count++;
			}
	} else {
		print "No response from agent\n";
		exit $ERRORS{'CRITICAL'};
	}
	$result_celsius=$r_array[1];
	$result_warning=$r_array[2];
	$result_critical=$r_array[3];
	$result_condition=$r_array[4];
	$result_locale=$r_array[5];

	if ($result_celsius < 0) {
		print "Result is negative - Sensor unavailable ?\n";
		exit $ERRORS{'UNKNOWN'};
		}
	if ($result_warning==0) {
		print "Division by zero   \n";
		exit $ERRORS{'CRITICAL'};
		}

	if ($result_critical==0) {
		print "Division by zero   \n";
		exit $ERRORS{'CRITICAL'};
		}
 	

#	$q=$result_celsius/$result_threshold ;
 	$diff=$result_critical-$result_celsius ;
	

	if ( $result_celsius > $result_critical ) {
		print "Sensor ". $sensor . " (".$FSC_LOCALE{$result_locale}.") - Critical: ".$result_celsius." °C  - Crit-Threshold:".$result_critical." °C - Left before shutdown:".$diff."°C - Overall condition: ". $FSC_TEMP_CONDITION{$result_condition} ."\n" ; 
		exit $ERRORS{'CRITICAL'}  ; 
	}
	elsif ( $result_celsius > $result_warning ) {
		print "Sensor ". $sensor . " (".$FSC_LOCALE{$result_locale}.") - Warning: ".$result_celsius." °C  - Crit-Threshold:".$result_warning." °C - Left before shutdown:".$diff."°C - Overall condition: ". $FSC_TEMP_CONDITION{$result_condition}."\n" ; 
		exit $ERRORS{'WARNING'} ;
	}
	else {
		print "Sensor " .$sensor. " (".$FSC_LOCALE{$result_locale}.") - OK: ".$result_celsius." °C  - Warn-Threshold:".$result_warning." °C - Left before shutdown:".$diff."°C - Overall condition: ". $FSC_TEMP_CONDITION{$result_condition} ."\n" ; 
		exit $ERRORS{'OK'} ;
	}	


sub print_usage () {
        print "Usage: $PROGNAME -H <host> -p <port> -C <community> -s <sensornumber> \n";
	}

sub print_help () {
	print_revision($PROGNAME,'$Revision: 1113 $\n ');
	print "Copyright (c) 2003 Rainer Duffner\n ";
	print_usage();
	print "\n";
	print "<host>		= IP-Address or DNS-Name of the W2K-Server\n";
	print "<port>		= SNMP-Port (normaly 161)\n";
	print "<community>	= SNMP v1 community\n";
	print "<drvnumber>	= Sensornumber (1, 2, 3 etc.)\n";
	}

sub version () {
        print_revision($PROGNAME,'$Revision: 1113 $ ');
        exit $ERRORS{'OK'};
}

sub help () {
        print_help();
        exit $ERRORS{'OK'};
}