#
# Copyright 2020 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

package network::checkpoint::snmp::mode::cpu;

use base qw(centreon::plugins::mode);

use strict;
use warnings;

sub new {
    my ($class, %options) = @_;
    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
    bless $self, $class;

    $options{options}->add_options(arguments => {
        'warning:s'  => { name => 'warning', },
        'critical:s' => { name => 'critical', },
    });

    return $self;
}

sub check_options {
    my ($self, %options) = @_;
    $self->SUPER::init(%options);

    if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
       $self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
       $self->{output}->option_exit();
    }
    if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
       $self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
       $self->{output}->option_exit();
    }
}

sub run {
    my ($self, %options) = @_;
    $self->{snmp} = $options{snmp};

    my $oid_procUsrTime = '.1.3.6.1.4.1.2620.1.6.7.2.1.0';
    my $oid_procSysTime = '.1.3.6.1.4.1.2620.1.6.7.2.2.0';
    my $oid_procIdleTime = '.1.3.6.1.4.1.2620.1.6.7.2.3.0';

    my $result = $self->{snmp}->get_leef(oids => [$oid_procUsrTime, $oid_procSysTime, $oid_procIdleTime], nothing_quit => 1);

    my $totalCpuUsed = $result->{$oid_procUsrTime} + $result->{$oid_procSysTime};

    my $exit = $self->{perfdata}->threshold_check(value => $totalCpuUsed, 
                                                  threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
    $self->{output}->output_add(severity => $exit,
                                short_msg => sprintf("CPU Usage: %d (System: %d User: %d Idle: %d)", $totalCpuUsed, $result->{$oid_procSysTime}, $result->{$oid_procUsrTime},  $result->{$oid_procIdleTime} ));
    $self->{output}->perfdata_add(label => "cpu", unit => '%',
                                  value => $totalCpuUsed,
                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
                                  min => 0, max => 100);
    $self->{output}->perfdata_add(label => "cpuUser", unit => '%',
                                  value => $result->{$oid_procUsrTime},
                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
                                  min => 0, max => 100);
    $self->{output}->perfdata_add(label => "cpuSys", unit => '%',
                                  value => $result->{$oid_procSysTime},
                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
                                  min => 0, max => 100);
    $self->{output}->perfdata_add(label => "cpuIdle", unit => '%',
                                  value => $result->{$oid_procIdleTime},
                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
                                  min => 0, max => 100);

    $self->{output}->display();
    $self->{output}->exit();
}

1;

__END__

=head1 MODE

Check firewall average cpu usage (system+user) (chkpnt.mib).

=over 8

=item B<--warning>

Threshold warning in percent.

=item B<--critical>

Threshold critical in percent.

=back

=cut