From 303c4fb0eb7563a73495a1ba4f2cfb490537e1d3 Mon Sep 17 00:00:00 2001
From: Simon Bomm <sbomm@merethis.com>
Date: Tue, 18 Mar 2014 22:19:49 +0100
Subject: [PATCH] Some Apache PP Improvements

---
 apps/apache/serverstatus/mode/libconnect.pm   |  83 +++++++
 apps/apache/serverstatus/mode/requests.pm     | 223 ++++++++++++++++++
 apps/apache/serverstatus/mode/responsetime.pm | 196 +++++++++++++++
 apps/apache/serverstatus/mode/slotstates.pm   | 215 +++++++++++++++++
 apps/apache/serverstatus/mode/workers.pm      | 212 +++++++++++++++++
 apps/apache/serverstatus/plugin.pm            |  25 +-
 6 files changed, 942 insertions(+), 12 deletions(-)
 create mode 100644 apps/apache/serverstatus/mode/libconnect.pm
 create mode 100644 apps/apache/serverstatus/mode/requests.pm
 create mode 100644 apps/apache/serverstatus/mode/responsetime.pm
 create mode 100644 apps/apache/serverstatus/mode/slotstates.pm
 create mode 100644 apps/apache/serverstatus/mode/workers.pm

diff --git a/apps/apache/serverstatus/mode/libconnect.pm b/apps/apache/serverstatus/mode/libconnect.pm
new file mode 100644
index 000000000..747e83eab
--- /dev/null
+++ b/apps/apache/serverstatus/mode/libconnect.pm
@@ -0,0 +1,83 @@
+###############################################################################
+# Copyright 2005-2013 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 timeelapsedutable, 
+# regardless of the license terms of these independent modules, and to copy and 
+# distribute the resulting timeelapsedutable 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
+# Author : Simon BOMM <sbomm@merethis.com>
+#
+# Based on De Bodt Lieven plugin
+####################################################################################
+
+package apps::apache::serverstatus::mode::libconnect;
+
+use strict;
+use warnings;
+use LWP::UserAgent;
+
+sub connect {
+    my ($self, %options) = @_;
+    my $ua = LWP::UserAgent->new( protocols_allowed => ['http','https'], timeout => $self->{option_results}->{timeout});
+    
+    my $response;
+    my $content;    
+
+    if (defined $self->{option_results}->{credentials}) {
+        $ua->credentials($self->{option_results}->{hostname}.':'.$self->{option_results}->{port},$self->{option_results}->{username},$self->{option_results}->{password});
+    }
+    
+    if ($self->{option_results}->{proto} eq "https") {
+        if (defined $self->{option_results}->{proxyurl}) {
+            $ua->proxy(['https'], $self->{option_results}->{proxyurl});
+            $response = $ua->get('https://'.$self->{option_results}->{hostname}.':'.$self->{option_results}->{port}.'/server-status');
+        } else  {
+            $response = $ua->get('https://'.$self->{option_results}->{hostname}.':'.$self->{option_results}->{port}.'/server-status');
+        }
+    } else {
+        if (defined $self->{option_results}->{proxyurl}) {
+            $ua->proxy(['http'], $self->{option_results}->{proxyurl});
+            $response = $ua->get($self->{option_results}->{proto}."://" .$self->{option_results}->{hostname}.'/server-status');
+        } else  {
+            $response = $ua->get('http://'.$self->{option_results}->{hostname}.':'.$self->{option_results}->{port}.'/server-status');
+        }
+    }
+
+   if ($response->is_success) {
+        $content = $response->content;
+        return $content;
+   } else {
+        $self->{output}->output_add(severity => 'CRITICAL',
+        short_msg => $response->status_line);     
+        $self->{output}->display();
+        $self->{output}->exit();
+   }
+
+}
+
+1;
+
diff --git a/apps/apache/serverstatus/mode/requests.pm b/apps/apache/serverstatus/mode/requests.pm
new file mode 100644
index 000000000..32f3ccd1c
--- /dev/null
+++ b/apps/apache/serverstatus/mode/requests.pm
@@ -0,0 +1,223 @@
+###############################################################################
+# Copyright 2005-2013 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 timeelapsedutable, 
+# regardless of the license terms of these independent modules, and to copy and 
+# distribute the resulting timeelapsedutable 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
+# Author : Simon BOMM <sbomm@merethis.com>
+#
+# Based on De Bodt Lieven plugin
+####################################################################################
+
+package apps::apache::serverstatus::mode::requests;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+use apps::apache::serverstatus::mode::libconnect;
+
+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 =>
+            {
+            "hostname:s"        => { name => 'hostname' },
+            "port:s"            => { name => 'port', default => '80' },
+            "proto:s"           => { name => 'proto', default => "http" },
+            "credentials"  	=> { name => 'credentials' },
+            "username:s"   	=> { name => 'username' },
+            "password:s"   	=> { name => 'password' },
+            "proxyurl:s"        => { name => 'proxyurl' },
+            "warning:s"         => { name => 'warning' },
+            "critical:s"        => { name => 'critical' },
+            "warning-bytes:s"   => { name => 'warning_bytes' },
+            "critical-bytes:s"  => { name => 'critical_bytes' },
+            "timeout:s"         => { name => 'timeout', default => '3' },
+            });
+    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} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (($self->{perfdata}->threshold_validate(label => 'warning-bytes', value => $self->{option_results}->{warning_bytes})) == 0) {
+        $self->{output}->add_option_msg(short_msg => "Wrong warning-bytes threshold '" . $self->{option_results}->{warning_bytes} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (($self->{perfdata}->threshold_validate(label => 'critical-bytes', value => $self->{option_results}->{critical_bytes})) == 0) {
+        $self->{output}->add_option_msg(short_msg => "Wrong critical-bytes threshold '" . $self->{option_results}->{critical_bytes} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (!defined($self->{option_results}->{hostname})) {
+        $self->{output}->add_option_msg(short_msg => "Please set the hostname option");
+        $self->{output}->option_exit();
+    }
+    if ((defined($self->{option_results}->{credentials})) && (!defined($self->{option_results}->{username}) || !defined($self->{option_results}->{password}))) {
+        $self->{output}->add_option_msg(short_msg => "You need to set --username= and --password= options when --credentials is used");
+        $self->{output}->option_exit();
+    }
+
+}
+
+sub run {
+
+    my ($self, %options) = @_;
+        
+    my $webcontent = apps::apache::serverstatus::mode::libconnect::connect($self);
+    
+    my @webcontentarr = split("\n", $webcontent);
+    my $i = 0;
+    my ($rPerSec, $rPerSecSfx, $bPerSec, $bPerSecSfx, $bPerReq, $bPerReqSfx);
+
+    while (($i < @webcontentarr) && ((!defined($rPerSec)) || (!defined($bPerSec)) || (!defined($bPerReq)))) {
+        if ($webcontentarr[$i] =~ /([0-9]*\.?[0-9]+)\s([A-Za-z]+)\/sec\s-\s([0-9]*\.?[0-9]+)\s([A-Za-z]+)\/second\s-\s([0-9]*\.?[0-9]+)\s([A-Za-z]+)\/request/) {
+            ($rPerSec, $rPerSecSfx, $bPerSec, $bPerSecSfx, $bPerReq, $bPerReqSfx) = ($webcontentarr[$i] =~ /([0-9]*\.?[0-9]+)\s([A-Za-z]+)\/sec\s-\s([0-9]*\.?[0-9]+)\s([A-Za-z]+)\/second\s-\s([0-9]*\.?[0-9]+)\s([A-Za-z]+)\/request/);
+        }
+        $i++;
+    }
+    
+    if ($bPerReqSfx eq 'kB') {
+        $bPerReq = $bPerReq * 1024;
+    } elsif ($bPerReqSfx eq 'mB') {
+        $bPerReq = $bPerReq * 1024 * 1024;
+    } elsif ($bPerReqSfx eq 'gB') {
+        $bPerReq = $bPerReq * 1024 * 1024 * 1024;
+    }
+
+    if ($bPerSecSfx eq 'kB') {
+        $bPerSec = $bPerSec * 1024;
+    } elsif ($bPerSecSfx eq 'mB') {
+        $bPerSec = $bPerSec * 1024 * 1024;
+    } elsif ($bPerSecSfx eq 'gB') {
+        $bPerSec = $bPerSec * 1024 * 1024 * 1024;
+    }
+
+    my $exit1 = $self->{perfdata}->threshold_check(value => $rPerSec, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
+    my $exit2 = $self->{perfdata}->threshold_check(value => $bPerReq, threshold => [ { label => 'critical-bytes', 'exit_litteral' => 'critical' }, { label => 'warning-bytes', exit_litteral => 'warning' } ]);
+
+    my $exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2 ]);
+
+    $self->{output}->output_add(severity => $exit,
+                                short_msg => sprintf("RequestPerSec: %f  BytesPerSecond: %d BytesPerRequest: %d", $self->{perfdata}->change_bytes($rPerSec), $self->{perfdata}->change_bytes($bPerSec), $self->{perfdata}->change_bytes($bPerReq)));
+    $self->{output}->perfdata_add(label => "requestPerSec",
+                                  value => $rPerSec,
+                                  unit => $rPerSecSfx,
+                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
+                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical')
+                                  );
+    $self->{output}->perfdata_add(label => "bytesPerSec",
+                                  value => $bPerSec,
+                                  unit => 'B');
+    $self->{output}->perfdata_add(label => "bytesPerRequest",
+                                  value => $bPerReq,
+                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-bytes'),
+                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-bytes'),
+                                  unit => 'B');
+
+    $self->{output}->display();
+    $self->{output}->exit();
+
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Apache WebServer Request statistics
+
+=over 8
+
+=item B<--hostname>
+
+IP Addr/FQDN of the webserver host
+
+=item B<--port>
+
+Port used by Apache
+
+=item B<--proxyurl>
+
+Proxy URL if any
+
+=item B<--proto>
+
+Specify https if needed
+
+=item B<--credentials>
+
+Specify this option if you access server-status page over basic authentification
+
+=item B<--username>
+
+Specify username for basic authentification (Mandatory if --credentials is specidied)
+
+=item B<--password>
+
+Specify password for basic authentification (Mandatory if --credentials is specidied)
+
+=item B<--password>
+
+=item B<--timeout>
+
+Threshold for HTTP timeout
+
+=item B<--warning>
+
+Warning Threshold for Request per seconds
+
+=item B<--critical>
+
+Critical Threshold for Request per seconds
+
+=item B<--warning-bytes>
+
+Warning Threshold for Bytes Per Request
+
+=item B<--critical-bytes>
+
+Critical Threshold for Bytes Per Request
+
+=back
+
+=cut
diff --git a/apps/apache/serverstatus/mode/responsetime.pm b/apps/apache/serverstatus/mode/responsetime.pm
new file mode 100644
index 000000000..63d669b94
--- /dev/null
+++ b/apps/apache/serverstatus/mode/responsetime.pm
@@ -0,0 +1,196 @@
+###############################################################################
+# Copyright 2005-2013 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 timeelapsedutable, 
+# regardless of the license terms of these independent modules, and to copy and 
+# distribute the resulting timeelapsedutable 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
+# Author : Simon BOMM <sbomm@merethis.com>
+#
+# Based on De Bodt Lieven plugin
+####################################################################################
+
+package apps::apache::serverstatus::mode::responsetime;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+use Time::HiRes qw(gettimeofday tv_interval);
+use apps::apache::serverstatus::mode::libconnect;
+
+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 =>
+         {
+         "hostname:s"   => { name => 'hostname' },
+         "port:s"       => { name => 'port', default => '80' },
+         "proto:s"      => { name => 'proto', default => "http" },
+	 "credentials"  => { name => 'credentials' },
+         "username:s"   => { name => 'username' },
+         "password:s"   => { name => 'password' },
+	 "proxyurl:s"   => { name => 'proxyurl' },
+         "warning:s"    => { name => 'warning' },
+         "critical:s"   => { name => 'critical' },
+         "timeout:s"    => { name => 'timeout', default => '3' },
+         });
+    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} . "'.");
+        $self->{output}->option_exit();
+    }
+
+    if (($self->{option_results}->{proto} ne 'http') && ($self->{option_results}->{proto} ne 'https')) {
+        $self->{output}->add_option_msg(short_msg => "Unsupported protocol specified '" . $self->{option_results}->{proto} . "'.");
+        $self->{output}->option_exit();
+    }
+
+    if (!defined($self->{option_results}->{hostname})) {
+        $self->{output}->add_option_msg(short_msg => "Please set the hostname option");
+        $self->{output}->option_exit();
+    }
+    if ((defined($self->{option_results}->{credentials})) && (!defined($self->{option_results}->{username}) || !defined($self->{option_results}->{password}))) {
+        $self->{output}->add_option_msg(short_msg => "You need to set --username= and --password= options when --credentials is used");
+        $self->{output}->option_exit();
+    }
+}
+
+sub run {
+    my ($self, %options) = @_;
+    
+    my $timing0 = [gettimeofday];
+    
+    my $webcontent = apps::apache::serverstatus::mode::libconnect::connect($self);    
+
+    my $timeelapsed = tv_interval ($timing0, [gettimeofday]);
+    
+    if (defined $webcontent) {
+        my @webcontentarr = split("\n", $webcontent);
+        my $i = 0;
+        my $ScoreBoard = "";
+        my $PosPreBegin = undef;
+        my $PosPreEnd = undef;
+        while (($i < @webcontentarr) && ((!defined($PosPreBegin)) || (!defined($PosPreEnd)))) {
+            if (!defined($PosPreBegin)) {
+                if ($webcontentarr[$i] =~ m/<pre>/i) {
+                    $PosPreBegin = $i;
+                }
+            }
+            if (defined($PosPreBegin)) {
+                if ($webcontentarr[$i] =~ m/<\/pre>/i) {
+                    $PosPreEnd = $i;
+                }
+            }
+            $i++;
+        }
+        for ($i = $PosPreBegin; $i <= $PosPreEnd; $i++) {
+           $ScoreBoard = $ScoreBoard . $webcontentarr[$i];
+        }
+        $ScoreBoard =~ s/^.*<[Pp][Rr][Ee]>//;
+        $ScoreBoard =~ s/<\/[Pp][Rr][Ee].*>//;
+        my $CountOpenSlots = ($ScoreBoard =~ tr/\.//);
+        my $exit = $self->{perfdata}->threshold_check(value => $timeelapsed,
+                                                      threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
+        $self->{output}->output_add(severity => $exit,
+                                    short_msg => sprintf("Response time %fs ", $timeelapsed));
+        $self->{output}->perfdata_add(label => "time",
+                                      value => $timeelapsed,
+                                      warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
+                                      critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'));
+     }
+
+       $self->{output}->display();
+       $self->{output}->exit();
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Apache WebServer statistics informations
+
+=over 8
+
+=item B<--hostname>
+
+IP Addr/FQDN of the webserver host
+
+=item B<--port>
+
+Port used by Apache
+
+=item B<--proto>
+
+Specify https if needed
+
+=item B<--credentials>
+
+Specify this option if you access server-status page over basic authentification
+
+=item B<--username>
+
+Specify username for basic authentification (Mandatory if --credentials is specidied)
+
+=item B<--password>
+
+Specify password for basic authentification (Mandatory if --credentials is specidied)
+
+=item B<--proxyurl>
+
+Proxy URL if any
+
+=item B<--timeout>
+
+Threshold for HTTP timeout
+
+=item B<--warning>
+
+Threshold warning in seconds (server-status page response time)
+
+=item B<--critical>
+
+Threshold critical in seconds (server-status page response time)
+
+=back
+
+=cut
diff --git a/apps/apache/serverstatus/mode/slotstates.pm b/apps/apache/serverstatus/mode/slotstates.pm
new file mode 100644
index 000000000..84ed9ccee
--- /dev/null
+++ b/apps/apache/serverstatus/mode/slotstates.pm
@@ -0,0 +1,215 @@
+###############################################################################
+# Copyright 2005-2013 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 timeelapsedutable, 
+# regardless of the license terms of these independent modules, and to copy and 
+# distribute the resulting timeelapsedutable 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
+# Author : Simon BOMM <sbomm@merethis.com>
+#
+# Based on De Bodt Lieven plugin
+####################################################################################
+
+package apps::apache::serverstatus::mode::slotstates;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+use apps::apache::serverstatus::mode::libconnect;
+
+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 =>
+            {
+            "hostname:s"    => { name => 'hostname' },
+            "port:s"        => { name => 'port', default => '80' },
+            "proto:s"       => { name => 'proto', default => "http" },
+	    "credentials"   => { name => 'credentials' },
+	    "username:s"    => { name => 'username' },
+	    "password:s"    => { name => 'password' },
+            "proxyurl:s"    => { name => 'proxyurl' },
+            "warning:s"     => { name => 'warning' },
+            "critical:s"    => { name => 'critical' },
+            "timeout:s"     => { name => 'timeout', default => '3' },
+            });
+    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} . "'.");
+        $self->{output}->option_exit();
+    }
+    
+    if (($self->{option_results}->{proto} ne 'http') && ($self->{option_results}->{proto} ne 'https')) {
+        $self->{output}->add_option_msg(short_msg => "Unsupported protocol specified '" . $self->{option_results}->{proto} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (!defined($self->{option_results}->{hostname})) {
+        $self->{output}->add_option_msg(short_msg => "Please set the hostname option");
+        $self->{output}->option_exit();
+    }
+    if ((defined($self->{option_results}->{credentials})) && (!defined($self->{option_results}->{username}) || !defined($self->{option_results}->{password}))) {
+        $self->{output}->add_option_msg(short_msg => "You need to set --username= and --password= options when --credentials is used");
+        $self->{output}->option_exit();
+    }
+
+}
+
+sub run {
+    my ($self, %options) = @_;
+    
+    my $webcontent = apps::apache::serverstatus::mode::libconnect::connect($self);
+    my @webcontentarr = split("\n", $webcontent);
+    my $i = 0;
+    my $ScoreBoard = "";
+    my $PosPreBegin = undef;
+    my $PosPreEnd = undef;
+    
+    while (($i < @webcontentarr) && ((!defined($PosPreBegin)) || (!defined($PosPreEnd)))) {
+        if (!defined($PosPreBegin)) {
+            if ( $webcontentarr[$i] =~ m/<pre>/i ) {
+                $PosPreBegin = $i;
+            }
+	}
+        if (defined($PosPreBegin)) {
+            if ( $webcontentarr[$i] =~ m/<\/pre>/i ) {
+                $PosPreEnd = $i;
+            }
+        }
+        $i++;
+    }
+
+    for ($i = $PosPreBegin; $i <= $PosPreEnd; $i++) {
+        $ScoreBoard = $ScoreBoard . $webcontentarr[$i];
+    }
+  
+    $ScoreBoard =~ s/^.*<[Pp][Rr][Ee]>//;
+    $ScoreBoard =~ s/<\/[Pp][Rr][Ee].*>//;
+
+    my $CountOpenSlots = ($ScoreBoard =~ tr/\.//);
+
+    my $exit = $self->{perfdata}->threshold_check(value => $CountOpenSlots,
+                                                 threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
+
+    $self->{output}->output_add(severity => $exit,
+                                short_msg => sprintf("Free slots: %d", $CountOpenSlots));
+    $self->{output}->perfdata_add(label => "freeSlots",
+                                  value => $CountOpenSlots,
+                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
+                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'));
+    $self->{output}->perfdata_add(label => "waiting",
+            value => ($ScoreBoard =~ tr/\_//));
+    $self->{output}->perfdata_add(label => "starting",
+            value => ($ScoreBoard =~ tr/S//));
+    $self->{output}->perfdata_add(label => "reading",
+            value => ($ScoreBoard =~ tr/R//));
+    $self->{output}->perfdata_add(label => "sending",
+            value => ($ScoreBoard =~ tr/W//));
+    $self->{output}->perfdata_add(label => "keepalive",
+            value => ($ScoreBoard =~ tr/K//));
+    $self->{output}->perfdata_add(label => "dns_lookup",
+            value => ($ScoreBoard =~ tr/D//));
+    $self->{output}->perfdata_add(label => "closing",
+            value => ($ScoreBoard =~ tr/C//));
+    $self->{output}->perfdata_add(label => "logging",
+            value => ($ScoreBoard =~ tr/L//));
+    $self->{output}->perfdata_add(label => "gracefuly_finished",
+            value => ($ScoreBoard =~ tr/G//));
+    $self->{output}->perfdata_add(label => "idle_cleanup_worker",
+            value => ($ScoreBoard =~ tr/I//));
+
+    $self->{output}->display();
+    $self->{output}->exit();
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Apache WebServer Slots informations
+
+=over 8
+
+=item B<--hostname>
+
+IP Address or FQDN of the webserver host
+
+=item B<--port>
+
+Port used by Apache
+
+=item B<--proxyurl>
+
+Proxy URL if any
+
+=item B<--proto>
+
+Protocol used http or https
+
+=item B<--credentials>
+
+Specify this option if you access server-status page over basic authentification
+
+=item B<--username>
+
+Specify username for basic authentification (Mandatory if --credentials is specidied)
+
+=item B<--password>
+
+Specify password for basic authentification (Mandatory if --credentials is specidied)
+
+=item B<--timeout>
+
+Threshold for HTTP timeout
+
+=item B<--warning>
+
+Warning Threshold on remaining free slot
+
+=item B<--critical>
+
+Critical Threshold on remaining free slot
+
+=back
+
+=cut
diff --git a/apps/apache/serverstatus/mode/workers.pm b/apps/apache/serverstatus/mode/workers.pm
new file mode 100644
index 000000000..936a7baf7
--- /dev/null
+++ b/apps/apache/serverstatus/mode/workers.pm
@@ -0,0 +1,212 @@
+###############################################################################
+# Copyright 2005-2013 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 timeelapsedutable, 
+# regardless of the license terms of these independent modules, and to copy and 
+# distribute the resulting timeelapsedutable 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
+# Author : Simon BOMM <sbomm@merethis.com>
+#
+# Based on De Bodt Lieven plugin
+####################################################################################
+
+package apps::apache::serverstatus::mode::workers;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+use LWP::UserAgent;
+use apps::apache::serverstatus::mode::libconnect;
+
+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 =>
+            {
+            "hostname:s"    => { name => 'hostname' },
+            "port:s"        => { name => 'port', default => '80' },
+            "proto:s"       => { name => 'proto', default => "http" },
+            "proxyurl:s"    => { name => 'proxyurl' },
+            "warning:s"     => { name => 'warning' },
+            "critical:s"    => { name => 'critical' },
+            "timeout:s"     => { name => 'timeout', default => '3' },
+            });
+    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} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (($self->{option_results}->{proto} ne 'http') && ($self->{option_results}->{proto} ne 'https')) {
+        $self->{output}->add_option_msg(short_msg => "Unsupported protocol specified '" . $self->{option_results}->{proto} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (!defined($self->{option_results}->{hostname})) {
+        $self->{output}->add_option_msg(short_msg => "Please set the hostname option");
+        $self->{output}->option_exit();
+    }
+    if ((defined($self->{option_results}->{credentials})) && (!defined($self->{option_results}->{username}) || !defined($self->{option_results}->{password}))) {
+        $self->{output}->add_option_msg(short_msg => "You need to set --username= and --password= options when --credentials is used");
+        $self->{output}->option_exit();
+    }
+
+}
+
+sub run {
+    my ($self, %options) = @_;
+        
+    my $webcontent = apps::apache::serverstatus::mode::libconnect::connect($self);
+    my @webcontentarr = split("\n", $webcontent);
+    my $i = 0;
+    my $ScoreBoard = "";
+    my $PosPreBegin = undef;
+    my $PosPreEnd = undef;
+    my $BusyWorkers;
+    my $IdleWorkers;
+    my $prct_busy;    
+    
+    while ($i < @webcontentarr) {
+        if ($webcontentarr[$i] =~ /(\d+)\s+requests\s+currently\s+being\s+processed,\s+(\d+)\s+idle\s+....ers/) {
+            ($BusyWorkers, $IdleWorkers) = ($webcontentarr[$i] =~ /(\d+)\s+requests\s+currently\s+being\s+processed,\s+(\d+)\s+idle\s+....ers/);
+        }
+            $i++;
+    }
+
+    $i = 0;
+
+    while (($i < @webcontentarr) && ((!defined($PosPreBegin)) || (!defined($PosPreEnd)))) {
+        if (!defined($PosPreBegin)) {
+            if ( $webcontentarr[$i] =~ m/<pre>/i ) {
+                $PosPreBegin = $i;
+            }
+        }
+        if (defined($PosPreBegin)) {
+            if ( $webcontentarr[$i] =~ m/<\/pre>/i ) {
+                $PosPreEnd = $i;
+            }
+        }
+        $i++;
+    }
+    
+    for ($i = $PosPreBegin; $i <= $PosPreEnd; $i++) {
+        $ScoreBoard = $ScoreBoard . $webcontentarr[$i];
+    }
+
+    $ScoreBoard =~ s/^.*<[Pp][Rr][Ee]>//;
+    $ScoreBoard =~ s/<\/[Pp][Rr][Ee].*>//;
+
+    my $srvLimit = length($ScoreBoard);
+	
+    $prct_busy = $BusyWorkers / $srvLimit * 100;
+    
+    my $exit = $self->{perfdata}->threshold_check(value => $prct_busy,
+                                                 threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
+    $self->{output}->output_add(severity => $exit,
+                                short_msg => sprintf("Busy workers: %d Idle workers: %d ( %d %% )", $BusyWorkers, $IdleWorkers, $prct_busy));
+    $self->{output}->perfdata_add(label => "idle_workers",
+                                  value => $IdleWorkers,
+				  min => 0,
+                                  max => $srvLimit);
+    $self->{output}->perfdata_add(label => "busy_workers",
+                                  value => $BusyWorkers,
+                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
+                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
+				  min => 0,
+                                  max => $srvLimit);
+
+    $self->{output}->display();
+    $self->{output}->exit();
+}
+
+
+1;
+
+
+__END__
+
+=head1 MODE
+
+Check Apache WebServer busy processes. Graph Busy and Idle. Compute percentage over ServerLimit apache config file directive.
+
+=over 8
+
+=item B<--hostname>
+
+IP Addr/FQDN of the webserver host
+
+=item B<--port>
+
+Port used by Apache
+
+=item B<--proxyurl>
+
+Proxy URL if any
+
+=item B<--proto>
+
+Protocol to use http or https, http is default
+
+=item B<--credentials>
+
+Specify this option if you access server-status page over basic authentification
+
+=item B<--username>
+
+Specify username for basic authentification (Mandatory if --credentials is specidied)
+
+=item B<--password>
+
+Specify password for basic authentification (Mandatory if --credentials is specidied)
+
+=item B<--timeout>
+
+Threshold for HTTP timeout
+
+=item B<--warning>
+
+Warning Threshold (%) of busy workers
+
+=item B<--critical>
+
+Critical Threshold (%) of busy workers
+
+=back
+
+=cut
diff --git a/apps/apache/serverstatus/plugin.pm b/apps/apache/serverstatus/plugin.pm
index 784ddc136..6206e62cd 100644
--- a/apps/apache/serverstatus/plugin.pm
+++ b/apps/apache/serverstatus/plugin.pm
@@ -40,20 +40,20 @@ use warnings;
 use base qw(centreon::plugins::script_simple);
 
 sub new {
-    my ($class, %options) = @_;
-    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
-    bless $self, $class;
-    # $options->{options} = options object
+	my ($class, %options) = @_;
+	my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+	bless $self, $class;
+# $options->{options} = options object
 
-    $self->{version} = '0.1';
-    %{$self->{modes}} = (
-            'responsetime'  => 'apps::apache::serverstatus::mode::responsetime',
-            'requests'      => 'apps::apache::serverstatus::mode::requests',
-            'slotstates'    => 'apps::apache::serverstatus::mode::slotstates',
-            'workers'       => 'apps::apache::serverstatus::mode::workers',
-    );
+	$self->{version} = '0.1';
+	%{$self->{modes}} = (
+			'responsetime'	=> 'apps::apache::serverstatus::mode::responsetime',
+			'requests'	=> 'apps::apache::serverstatus::mode::requests',
+			'slotstates'	=> 'apps::apache::serverstatus::mode::slotstates',
+			'workers'	=> 'apps::apache::serverstatus::mode::workers',
+			);
 
-    return $self;
+	return $self;
 }
 
 1;
@@ -63,4 +63,5 @@ __END__
 =head1 PLUGIN DESCRIPTION
 
 Check Apache and Apache 2 Web Servers through server-status webpage
+
 =cut