#! /usr/bin/perl -w
################################################################################
# Copyright 2004-2013 MERETHIS
# Centreon is developped by : Julien Mathis and Romain Le Merlus under
# GPL Licence 2.0.
# 
# 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 ; either version 2 of the License.
# 
# 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, see <http://www.gnu.org/licenses>.
# 
# Linking this program statically or dynamically with other modules is making a 
# combined work based on this program. Thus, the terms and conditions of the GNU 
# General Public License cover the whole combination.
# 
# As a special exception, the copyright holders of this program give MERETHIS 
# permission to link this program with independent modules to produce an executable, 
# regardless of the license terms of these independent modules, and to copy and 
# distribute the resulting executable under terms of MERETHIS choice, provided that 
# MERETHIS also meet, for each linked independent module, the terms  and conditions 
# of the license of that module. An independent module is a module which is not 
# derived from this program. If you modify this program, you may extend this 
# exception to your version of the program, but you are not obliged to do so. If you
# do not wish to do so, delete this exception statement from your version.
# 
# For more information : contact@centreon.com
# 
# SVN : $URL$
# SVN : $Id$
#
####################################################################################
#
# Script init
#

use strict;
require "/DBA/nagios/nagios-plugins/1.latest/plugins/Centreon/SNMP/Utils.pm";

use vars qw($PROGNAME);
use Getopt::Long;
use vars qw($opt_V $opt_h $opt_c $opt_w $opt_D $snmp @critical @warning $opt_l);

my %ERRORS = ('OK' => 0, 'WARNING' => 1, 'CRITICAL' => 2, 'UNKNOWN' => 3);

my %centreon = Centreon::SNMP::Utils::load_oids($ERRORS{'UNKNOWN'}, "/DBA/nagios/nagios-plugins/1.latest/plugins/centreon.conf");
# Plugin var init

my($return_code);

$PROGNAME = "$0";
sub print_help ();
sub print_usage ();

my %OPTION = (
    "host" => undef,
    "snmp-community" => "public", "snmp-version" => 1, "snmp-port" => 161, 
    "snmp-auth-key" => undef, "snmp-auth-user" => undef, "snmp-auth-password" => undef, "snmp-auth-protocol" => "MD5",
    "snmp-priv-key" => undef, "snmp-priv-password" => undef, "snmp-priv-protocol" => "DES",
    "maxrepetitions" => undef, "snmptimeout" => undef,
    "64-bits" => undef,
);

Getopt::Long::Configure('bundling');
GetOptions
    (
    "H|hostname|host=s"         => \$OPTION{'host'},
    "C|community=s"             => \$OPTION{'snmp-community'},
    "v|snmp|snmp-version=s"     => \$OPTION{'snmp-version'},
    "P|snmpport|snmp-port=i"    => \$OPTION{'snmp-port'},
    "u|username=s"              => \$OPTION{'snmp-auth-user'},
    "p|authpassword|password=s" => \$OPTION{'snmp-auth-password'},
    "k|authkey=s"               => \$OPTION{'snmp-auth-key'},
    "authprotocol=s"            => \$OPTION{'snmp-auth-protocol'},
    "privpassword=s"            => \$OPTION{'snmp-priv-password'},
    "privkey=s"                 => \$OPTION{'snmp-priv-key'},
    "privprotocol=s"            => \$OPTION{'snmp-priv-protocol'},
    "maxrepetitions=s"          => \$OPTION{'maxrepetitions'},
    "snmp-timeout=i"            => \$OPTION{'snmptimeout'},
    "64-bits"                   => \$OPTION{'64-bits'},
    "h"     => \$opt_h, "help"          => \$opt_h,
    "V"     => \$opt_V, "version"       => \$opt_V,
    "w=s"   => \$opt_w, "warning=s"     => \$opt_w,
    "c=s"   => \$opt_c, "critical=s"    => \$opt_c,
    "l"     => \$opt_l);

if ($opt_V) {
    print_revision($PROGNAME,'$Revision: 1.3 $');
    exit $ERRORS{'OK'};
}

if ($opt_h) {
    print_help();
    exit $ERRORS{'OK'};
}

$opt_l = 0 if (!defined($opt_l));

$opt_c = 95 if (!defined($opt_c) || !$opt_c);
$opt_w = 90 if (!defined($opt_w) || !$opt_w);

my $name = $0;
$name =~ s/\.pl.*//g;

# Plugin snmp requests

my ($session_params) = Centreon::SNMP::Utils::check_snmp_options($ERRORS{'UNKNOWN'}, \%OPTION);
my $session = Centreon::SNMP::Utils::connection($ERRORS{'UNKNOWN'}, $session_params);

my $OID_CPU  = ".1.3.6.1.2.1.25.3.3.1.2";

# Get all datas
my $result = Centreon::SNMP::Utils::get_snmp_table($OID_CPU, $session, $ERRORS{'UNKNOWN'}, \%OPTION, " Error getting CPU percentage.");

# Get all values and computes average cpu.
my $cpu = 0;
my $i = 0;
my @cpulist;
foreach my $key ( oid_lex_sort(keys %$result)) {
    my @oid_list = split (/\./,$key);
    my $index = pop (@oid_list);
    $cpulist[$i] = $$result{$key};
    $cpu += $$result{$key};
    $i++;
}
undef($result);

$cpu /= $i;

# Plugin return code
my $status = "OK";
if ($cpu >= $opt_c) {
    $status = "CRITICAL";
} elsif ($cpu >= $opt_w) {
    $status = "WARNING";
}

my $str = "CPU utilization percentage : ".$cpu."%|avg=".$cpu."%;$opt_w;$opt_c;0;100";
if ($opt_l == 0) {
    for ($i = 0; defined($cpulist[$i]); $i++){
        $str .= " cpu$i=".$cpulist[$i]."%";
    }
}

# Display Ouptut
print $str."\n";
exit $ERRORS{$status};

sub print_usage () {
    print "\nUsage:\n";
    print "$PROGNAME\n";
    print "This Plugin is design for return CPU percent on windows Serveurs (1 min Average)\n";
    print "\n";
    print "   -H (--hostname)   Hostname to query (required)\n";
    print "   -C (--community)  SNMP read community (defaults to public)\n";
    print "                     used with SNMP v1 and v2c\n";
    print "   -v (--snmp-version)  1 for SNMP v1 (default)\n";
    print "                        2 for SNMP v2c\n";
    print "                        3 for SNMP v3\n";
    print "   -P (--snmp-port)  SNMP port (default: 161)\n";
    print "   -k (--authkey)    snmp V3 key\n";
    print "   -u (--username)   snmp V3 username \n";
    print "   -p (--password)   snmp V3 password\n";
    print "   --authprotocol    protocol MD5/SHA  (v3)\n";
    print "   --privprotocol    encryption system (DES/AES)(v3) \n";
    print "   --privpassword    passphrase (v3) \n";
    print "   --64-bits         Use 64 bits OID\n";
    print "   --maxrepetitions  To use when you have the error: 'Message size exceeded buffer maxMsgSize'\n";
    print "                     Work only with SNMP v2c and v3 (Example: --maxrepetitions=1)\n";
    print "   --snmp-timeout    SNMP Timeout\n";
    print "   -c (--critical)   Three critical tresholds (defaults : 95)\n";
    print "   -w (--warning)    Three warning tresholds (defaults : 90)\n";
    print "   -l                Display only cpu average\n";
    print "   -V (--version)    Plugin version\n";
    print "   -h (--help)       usage help\n";
}

sub print_help () {
    print "##############################################\n";
    print "#    Copyright (c) 2004-2013 Centreon        #\n";
    print "#    Bugs to http://forge.centreon.com/      #\n";
    print "##############################################\n";
    print_usage();
    print "\n";
}
