#
# Copyright 2017 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 centreon::common::fortinet::fortigate::mode::sessions;

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;
    
    $self->{version} = '1.0';
    $options{options}->add_options(arguments =>
                                {
                                  "warning:s"               => { name => 'warning', },
                                  "critical:s"              => { name => 'critical', },
                                  "warning-avg:s"           => { name => 'warning_avg', default => '' },
                                  "critical-avg:s"          => { name => 'critical_avg', default => '' },
                                });

    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();
    }
    
    ($self->{warn1}, $self->{warn10}, $self->{warn30}, $self->{warn60}) = split /,/, $self->{option_results}->{warning_avg};
    ($self->{crit1}, $self->{crit10}, $self->{crit30}, $self->{crit60}) = split /,/, $self->{option_results}->{critical_avg};
    
    if (($self->{perfdata}->threshold_validate(label => 'warn1', value => $self->{warn1})) == 0) {
        $self->{output}->add_option_msg(short_msg => "Wrong warning (1min) threshold '" . $self->{warn1} . "'.");
        $self->{output}->option_exit();
    }
    if (($self->{perfdata}->threshold_validate(label => 'warn10', value => $self->{warn10})) == 0) {
        $self->{output}->add_option_msg(short_msg => "Wrong warning (10min) threshold '" . $self->{warn10} . "'.");
        $self->{output}->option_exit();
    }
    if (($self->{perfdata}->threshold_validate(label => 'warn30', value => $self->{warn30})) == 0) {
        $self->{output}->add_option_msg(short_msg => "Wrong warning (30min) threshold '" . $self->{warn30} . "'.");
        $self->{output}->option_exit();
    }
    if (($self->{perfdata}->threshold_validate(label => 'warn60', value => $self->{warn60})) == 0) {
        $self->{output}->add_option_msg(short_msg => "Wrong warning (60min) threshold '" . $self->{warn60} . "'.");
        $self->{output}->option_exit();
    }
    if (($self->{perfdata}->threshold_validate(label => 'crit1', value => $self->{crit1})) == 0) {
        $self->{output}->add_option_msg(short_msg => "Wrong critical (1min) threshold '" . $self->{crit1} . "'.");
        $self->{output}->option_exit();
    }
    if (($self->{perfdata}->threshold_validate(label => 'crit10', value => $self->{crit10})) == 0) {
        $self->{output}->add_option_msg(short_msg => "Wrong critical (10min) threshold '" . $self->{crit10} . "'.");
        $self->{output}->option_exit();
    }
    if (($self->{perfdata}->threshold_validate(label => 'crit30', value => $self->{crit30})) == 0) {
        $self->{output}->add_option_msg(short_msg => "Wrong critical (30min) threshold '" . $self->{crit30} . "'.");
        $self->{output}->option_exit();
    }
    if (($self->{perfdata}->threshold_validate(label => 'crit60', value => $self->{crit60})) == 0) {
        $self->{output}->add_option_msg(short_msg => "Wrong critical (60min) threshold '" . $self->{crit60} . "'.");
        $self->{output}->option_exit();
    }
}

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

    my $oid_fgSysSesCount = '.1.3.6.1.4.1.12356.101.4.1.8.0';
    my $oid_fgSysSesRate1 = '.1.3.6.1.4.1.12356.101.4.1.11.0';
    my $oid_fgSysSesRate10 = '.1.3.6.1.4.1.12356.101.4.1.12.0';
    my $oid_fgSysSesRate30 = '.1.3.6.1.4.1.12356.101.4.1.13.0';
    my $oid_fgSysSesRate60 = '.1.3.6.1.4.1.12356.101.4.1.14.0';
    my $result = $self->{snmp}->get_leef(oids => [$oid_fgSysSesCount, $oid_fgSysSesRate1, 
                                                  $oid_fgSysSesRate10, $oid_fgSysSesRate30, $oid_fgSysSesRate60], nothing_quit => 1);
    
    my $exit = $self->{perfdata}->threshold_check(value => $result->{$oid_fgSysSesCount}, 
                                                  threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
    $self->{output}->output_add(severity => $exit,
                                short_msg => sprintf("Current active sessions: %d", $result->{$oid_fgSysSesCount}));
    $self->{output}->perfdata_add(label => "sessions",
                                  value => $result->{$oid_fgSysSesCount},
                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
                                  min => 0);
    
    my $exit1 = $self->{perfdata}->threshold_check(value => $result->{$oid_fgSysSesRate1}, 
                               threshold => [ { label => 'crit1', exit_litteral => 'critical' }, { label => 'warn1', exit_litteral => 'warning' } ]);
    my $exit2 = $self->{perfdata}->threshold_check(value => $result->{$oid_fgSysSesRate10}, 
                               threshold => [ { label => 'crit10', exit_litteral => 'critical' }, { label => 'warn10', exit_litteral => 'warning' } ]);
    my $exit3 = $self->{perfdata}->threshold_check(value => $result->{$oid_fgSysSesRate30}, 
                               threshold => [ { label => 'crit30', exit_litteral => 'critical' }, { label => 'warn30', exit_litteral => 'warning' } ]);
    my $exit4 = $self->{perfdata}->threshold_check(value => $result->{$oid_fgSysSesRate60}, 
                               threshold => [ { label => 'crit60', exit_litteral => 'critical' }, { label => 'warn60', exit_litteral => 'warning' } ]);
    $exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2, $exit3, $exit4 ]);
    $self->{output}->output_add(severity => $exit,
                                short_msg => sprintf("Averate session setup rate: %s, %s, %s, %s (1min, 10min, 30min, 60min)", 
                                                      $result->{$oid_fgSysSesRate1}, $result->{$oid_fgSysSesRate10}, 
                                                      $result->{$oid_fgSysSesRate30}, $result->{$oid_fgSysSesRate60}));
            
    $self->{output}->perfdata_add(label => 'session_avg_setup1',
                                  value => $result->{$oid_fgSysSesRate1},
                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn1'),
                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit1'),
                                  min => 0);
    $self->{output}->perfdata_add(label => 'session_avg_setup10',
                                  value => $result->{$oid_fgSysSesRate10},
                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn10'),
                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit10'),
                                  min => 0);
    $self->{output}->perfdata_add(label => 'session_avg_setup30',
                                  value => $result->{$oid_fgSysSesRate30},
                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn30'),
                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit30'),
                                  min => 0);
    $self->{output}->perfdata_add(label => 'session_avg_setup60',
                                  value => $result->{$oid_fgSysSesRate60},
                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warn60'),
                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'crit60'),
                                  min => 0);
    
    $self->{output}->display();
    $self->{output}->exit();
}

1;

__END__

=head1 MODE

Check sessions (FORTINET-FORTIGATE-MIB).

=over 8

=item B<--warning>

Threshold warning of current active sessions.

=item B<--critical>

Threshold critical of current active sessions.

=item B<--warning-avg>

Threshold warning of average setup rate (1min,10min,30min,60min).

=item B<--critical-avg>

Threshold critical of average setup rate (1min,10min,30min,60min).

=back

=cut
    