Adding upstream version 2.12.1.upstream/2.12.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

8 files changed, 2265 insertions, 0 deletions

diff --git a/modules/monitoring/library/Monitoring/Object/Acknowledgement.php b/modules/monitoring/library/Monitoring/Object/Acknowledgement.php
new file mode 100644
index 0000000..3cd0d20
--- /dev/null
+++ b/modules/monitoring/library/Monitoring/Object/Acknowledgement.php
@@ -0,0 +1,215 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Monitoring\Object;
+
+use InvalidArgumentException;
+use Traversable;
+use Icinga\Util\StringHelper;
+
+/**
+ * Acknowledgement of a host or service incident
+ */
+class Acknowledgement
+{
+    /**
+     * Author of the acknowledgement
+     *
+     * @var string
+     */
+    protected $author;
+
+    /**
+     * Comment of the acknowledgement
+     *
+     * @var string
+     */
+    protected $comment;
+
+    /**
+     * Entry time of the acknowledgement
+     *
+     * @var int
+     */
+    protected $entryTime;
+
+    /**
+     * Expiration time of the acknowledgment
+     *
+     * @var int|null
+     */
+    protected $expirationTime;
+
+    /**
+     * Whether the acknowledgement is sticky
+     *
+     * Sticky acknowledgements suppress notifications until the host or service recovers
+     *
+     * @var bool
+     */
+    protected $sticky = false;
+
+    /**
+     * Create a new acknowledgement of a host or service incident
+     *
+     * @param array|object|Traversable $properties
+     *
+     * @throws InvalidArgumentException If the type of the given properties is invalid
+     */
+    public function __construct($properties = null)
+    {
+        if ($properties !== null) {
+            $this->setProperties($properties);
+        }
+    }
+
+    /**
+     * Get the author of the acknowledgement
+     *
+     * @return string
+     */
+    public function getAuthor()
+    {
+        return $this->author;
+    }
+
+    /**
+     * Set the author of the acknowledgement
+     *
+     * @param   string $author
+     *
+     * @return  $this
+     */
+    public function setAuthor($author)
+    {
+        $this->author = (string) $author;
+        return $this;
+    }
+
+    /**
+     * Get the comment of the acknowledgement
+     *
+     * @return string
+     */
+    public function getComment()
+    {
+        return $this->comment;
+    }
+
+    /**
+     * Set the comment of the acknowledgement
+     *
+     * @param   string $comment
+     *
+     * @return  $this
+     */
+    public function setComment($comment)
+    {
+        $this->comment = (string) $comment;
+
+        return $this;
+    }
+
+    /**
+     * Get the entry time of the acknowledgement
+     *
+     * @return int
+     */
+    public function getEntryTime()
+    {
+        return $this->entryTime;
+    }
+
+    /**
+     * Set the entry time of the acknowledgement
+     *
+     * @param   int $entryTime
+     *
+     * @return  $this
+     */
+    public function setEntryTime($entryTime)
+    {
+        $this->entryTime = (int) $entryTime;
+
+        return $this;
+    }
+
+    /**
+     * Get the expiration time of the acknowledgement
+     *
+     * @return int|null
+     */
+    public function getExpirationTime()
+    {
+        return $this->expirationTime;
+    }
+
+    /**
+     * Set the expiration time of the acknowledgement
+     *
+     * @param   int|null $expirationTime Unix timestamp
+     *
+     * @return  $this
+     */
+    public function setExpirationTime($expirationTime = null)
+    {
+        $this->expirationTime = $expirationTime !== null ? (int) $expirationTime : null;
+
+        return $this;
+    }
+
+    /**
+     * Get whether the acknowledgement is sticky
+     *
+     * @return bool
+     */
+    public function getSticky()
+    {
+        return $this->sticky;
+    }
+
+    /**
+     * Set whether the acknowledgement is sticky
+     *
+     * @param   bool $sticky
+     *
+     * @return  $this
+     */
+    public function setSticky($sticky = true)
+    {
+        $this->sticky = (bool) $sticky;
+        return $this;
+    }
+
+    /**
+     * Get whether the acknowledgement expires
+     *
+     * @return bool
+     */
+    public function expires()
+    {
+        return $this->expirationTime !== null;
+    }
+
+    /**
+     * Set the properties of the acknowledgement
+     *
+     * @param   array|object|Traversable $properties
+     *
+     * @return  $this
+     * @throws  InvalidArgumentException If the type of the given properties is invalid
+     */
+    public function setProperties($properties)
+    {
+        if (! is_array($properties) && ! is_object($properties) && ! $properties instanceof Traversable) {
+            throw new InvalidArgumentException('Properties must be either an array or an instance of Traversable');
+        }
+        foreach ($properties as $name => $value) {
+            $setter = 'set' . ucfirst(StringHelper::cname($name));
+            if (method_exists($this, $setter)) {
+                $this->$setter($value);
+            }
+        }
+        return $this;
+    }
+}
diff --git a/modules/monitoring/library/Monitoring/Object/Host.php b/modules/monitoring/library/Monitoring/Object/Host.php
new file mode 100644
index 0000000..dd8538b
--- /dev/null
+++ b/modules/monitoring/library/Monitoring/Object/Host.php
@@ -0,0 +1,205 @@
+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Monitoring\Object;
+
+use Icinga\Data\Filter\FilterEqual;
+use Icinga\Module\Monitoring\DataView\Hoststatus;
+use InvalidArgumentException;
+use Icinga\Module\Monitoring\Backend\MonitoringBackend;
+
+/**
+ * An Icinga host
+ */
+class Host extends MonitoredObject
+{
+    /**
+     * Host state 'UP'
+     */
+    const STATE_UP = 0;
+
+    /**
+     * Host state 'DOWN'
+     */
+    const STATE_DOWN = 1;
+
+    /**
+     * Host state 'UNREACHABLE'
+     */
+    const STATE_UNREACHABLE = 2;
+
+    /**
+     * Host state 'PENDING'
+     */
+    const STATE_PENDING = 99;
+
+    /**
+     * Type of the Icinga host
+     *
+     * @var string
+     */
+    public $type = self::TYPE_HOST;
+
+    /**
+     * Prefix of the Icinga host
+     *
+     * @var string
+     */
+    public $prefix = 'host_';
+
+    /**
+     * Hostname
+     *
+     * @var string
+     */
+    protected $host;
+
+    /**
+     * The services running on the hosts
+     *
+     * @var \Icinga\Module\Monitoring\Object\Service[]
+     */
+    protected $services;
+
+    /**
+     * Create a new host
+     *
+     * @param MonitoringBackend $backend    Backend to fetch host information from
+     * @param string            $host       Hostname
+     */
+    public function __construct(MonitoringBackend $backend, $host)
+    {
+        parent::__construct($backend);
+        $this->host = $host;
+    }
+
+    /**
+     * Get the hostname
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->host;
+    }
+
+    /**
+     * Get the data view to fetch the host information from
+     *
+     * @return Hoststatus
+     */
+    protected function getDataView()
+    {
+        $columns = array(
+            'host_acknowledged',
+            'host_acknowledgement_type',
+            'host_action_url',
+            'host_active_checks_enabled',
+            'host_active_checks_enabled_changed',
+            'host_address',
+            'host_address6',
+            'host_alias',
+            'host_attempt',
+            'host_check_command',
+            'host_check_execution_time',
+            'host_check_interval',
+            'host_check_latency',
+            'host_check_source',
+            'host_check_timeperiod',
+            'host_current_check_attempt',
+            'host_current_notification_number',
+            'host_display_name',
+            'host_event_handler_enabled',
+            'host_event_handler_enabled_changed',
+            'host_flap_detection_enabled',
+            'host_flap_detection_enabled_changed',
+            'host_handled',
+            'host_icon_image',
+            'host_icon_image_alt',
+            'host_in_downtime',
+            'host_is_flapping',
+            'host_is_reachable',
+            'host_last_check',
+            'host_last_notification',
+            'host_last_state_change',
+            'host_long_output',
+            'host_max_check_attempts',
+            'host_name',
+            'host_next_check',
+            'host_next_update',
+            'host_notes',
+            'host_notes_url',
+            'host_notifications_enabled',
+            'host_notifications_enabled_changed',
+            'host_obsessing',
+            'host_obsessing_changed',
+            'host_output',
+            'host_passive_checks_enabled',
+            'host_passive_checks_enabled_changed',
+            'host_percent_state_change',
+            'host_perfdata',
+            'host_process_perfdata' => 'host_process_performance_data',
+            'host_state',
+            'host_state_type',
+            'instance_name'
+        );
+        return $this->backend->select()->from('hoststatus', $columns)
+            ->whereEx(new FilterEqual('host_name', '=', $this->host));
+    }
+
+    /**
+     * Fetch the services running on the host
+     *
+     * @return $this
+     */
+    public function fetchServices()
+    {
+        $services = array();
+        foreach ($this->backend->select()->from('servicestatus', array('service_description'))
+                ->where('host_name', $this->host)
+                ->applyFilter($this->getFilter())
+                ->getQuery() as $service) {
+            $services[] = new Service($this->backend, $this->host, $service->service_description);
+        }
+        $this->services = $services;
+        return $this;
+    }
+
+    /**
+     * Get the optional translated textual representation of a host state
+     *
+     * @param   int     $state
+     * @param   bool    $translate
+     *
+     * @return  string
+     * @throws  InvalidArgumentException If the host state is not valid
+     */
+    public static function getStateText($state, $translate = false)
+    {
+        $translate = (bool) $translate;
+        switch ((int) $state) {
+            case self::STATE_UP:
+                $text = $translate ? mt('monitoring', 'UP') : 'up';
+                break;
+            case self::STATE_DOWN:
+                $text = $translate ? mt('monitoring', 'DOWN') : 'down';
+                break;
+            case self::STATE_UNREACHABLE:
+                $text = $translate ? mt('monitoring', 'UNREACHABLE') : 'unreachable';
+                break;
+            case self::STATE_PENDING:
+                $text = $translate ? mt('monitoring', 'PENDING') : 'pending';
+                break;
+            default:
+                throw new InvalidArgumentException(sprintf('Invalid host state \'%s\'', $state));
+        }
+        return $text;
+    }
+
+    public function getNotesUrls()
+    {
+        return $this->resolveAllStrings(
+            MonitoredObject::parseAttributeUrls($this->host_notes_url)
+        );
+    }
+}
diff --git a/modules/monitoring/library/Monitoring/Object/HostList.php b/modules/monitoring/library/Monitoring/Object/HostList.php
new file mode 100644
index 0000000..8b1947d
--- /dev/null
+++ b/modules/monitoring/library/Monitoring/Object/HostList.php
@@ -0,0 +1,133 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Monitoring\Object;
+
+use Icinga\Data\DataArray\ArrayDatasource;
+use Icinga\Data\Filter\Filter;
+use Icinga\Data\Filter\FilterOr;
+use Icinga\Data\SimpleQuery;
+use Icinga\Util\StringHelper;
+
+/**
+ * A host list
+ */
+class HostList extends ObjectList
+{
+    protected $dataViewName = 'hoststatus';
+
+    protected $columns = array('host_name');
+
+    protected function fetchObjects()
+    {
+        $hosts = array();
+        $query = $this->backend->select()->from($this->dataViewName, $this->columns)->applyFilter($this->filter)
+            ->getQuery()->getSelectQuery()->query();
+        foreach ($query as $row) {
+            /** @var object $row */
+            $host = new Host($this->backend, $row->host_name);
+            $host->setProperties($row);
+            $hosts[] = $host;
+        }
+        return $hosts;
+    }
+
+    /**
+     * Create a state summary of all hosts that can be consumed by hostssummary.phtml
+     *
+     * @return  SimpleQuery
+     */
+    public function getStateSummary()
+    {
+        $hostStates = array_fill_keys(self::getHostStatesSummaryEmpty(), 0);
+        foreach ($this as $host) {
+            $unhandled = (bool) $host->problem === true && (bool) $host->handled === false;
+
+            $stateName = 'hosts_' . $host::getStateText($host->state);
+            ++$hostStates[$stateName];
+            ++$hostStates[$stateName. ($unhandled ? '_unhandled' : '_handled')];
+        }
+
+        $hostStates['hosts_total'] = count($this);
+
+        $ds = new ArrayDatasource(array((object) $hostStates));
+        return $ds->select();
+    }
+
+    /**
+     * Return an empty array with all possible host state names
+     *
+     * @return array    An array containing all possible host states as keys and 0 as values.
+     */
+    public static function getHostStatesSummaryEmpty()
+    {
+        return StringHelper::cartesianProduct(
+            array(
+                array('hosts'),
+                array(
+                    Host::getStateText(Host::STATE_UP),
+                    Host::getStateText(Host::STATE_DOWN),
+                    Host::getStateText(Host::STATE_UNREACHABLE),
+                    Host::getStateText(Host::STATE_PENDING)
+                ),
+                array(null, 'handled', 'unhandled')
+            ),
+            '_'
+        );
+    }
+
+    /**
+     * Returns a Filter that matches all hosts in this list
+     *
+     * @return Filter
+     */
+    public function objectsFilter($columns = array('host' => 'host'))
+    {
+        $filterExpression = array();
+        foreach ($this as $host) {
+            $filterExpression[] = Filter::where($columns['host'], $host->getName());
+        }
+        return FilterOr::matchAny($filterExpression);
+    }
+
+    /**
+     * Get the comments
+     *
+     * @return \Icinga\Module\Monitoring\DataView\Hostcomment
+     */
+    public function getComments()
+    {
+        return $this->backend
+            ->select()
+            ->from('hostcomment', array('host_name'))
+            ->applyFilter(clone $this->filter);
+    }
+
+    /**
+     * Get the scheduled downtimes
+     *
+     * @return \Icinga\Module\Monitoring\DataView\Hostdowntime
+     */
+    public function getScheduledDowntimes()
+    {
+        return $this->backend
+            ->select()
+            ->from('hostdowntime', array('host_name'))
+            ->applyFilter(clone $this->filter);
+    }
+
+    /**
+     * @return ObjectList
+     */
+    public function getUnacknowledgedObjects()
+    {
+        $unhandledObjects = array();
+        foreach ($this as $object) {
+            if (! in_array((int) $object->state, array(0, 99)) &&
+                (bool) $object->host_acknowledged === false) {
+                $unhandledObjects[] = $object;
+            }
+        }
+        return $this->newFromArray($unhandledObjects);
+    }
+}
diff --git a/modules/monitoring/library/Monitoring/Object/Macro.php b/modules/monitoring/library/Monitoring/Object/Macro.php
new file mode 100644
index 0000000..18a1855
--- /dev/null
+++ b/modules/monitoring/library/Monitoring/Object/Macro.php
@@ -0,0 +1,83 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Monitoring\Object;
+
+use Exception;
+use Icinga\Application\Logger;
+use stdClass;
+
+/**
+ * Expand macros in string in the context of MonitoredObjects
+ */
+class Macro
+{
+    /**
+     * Known icinga macros
+     *
+     * @var array
+     */
+    private static $icingaMacros = array(
+        'HOSTNAME'      => 'host_name',
+        'HOSTADDRESS'   => 'host_address',
+        'HOSTADDRESS6'  => 'host_address6',
+        'SERVICEDESC'   => 'service_description',
+        'host.name'     => 'host_name',
+        'host.address'  => 'host_address',
+        'host.address6' => 'host_address6',
+        'service.description' => 'service_description',
+        'service.name'  => 'service_description'
+    );
+
+    /**
+     * Return the given string with macros being resolved
+     *
+     * @param   string                      $input      The string in which to look for macros
+     * @param   MonitoredObject|stdClass    $object     The host or service used to resolve macros
+     *
+     * @return  string                                  The substituted or unchanged string
+     */
+    public static function resolveMacros($input, $object)
+    {
+        $matches = array();
+        if (preg_match_all('@\$([^\$\s]+)\$@', $input, $matches)) {
+            foreach ($matches[1] as $key => $value) {
+                $newValue = self::resolveMacro($value, $object);
+                if ($newValue !== $value) {
+                    $input = str_replace($matches[0][$key], $newValue, $input);
+                }
+            }
+        }
+
+        return $input;
+    }
+
+    /**
+     * Resolve a macro based on the given object
+     *
+     * @param   string                      $macro      The macro to resolve
+     * @param   MonitoredObject|stdClass    $object     The object used to resolve the macro
+     *
+     * @return  string                                  The new value or the macro if it cannot be resolved
+     */
+    public static function resolveMacro($macro, $object)
+    {
+        if (isset(self::$icingaMacros[$macro]) && isset($object->{self::$icingaMacros[$macro]})) {
+            return $object->{self::$icingaMacros[$macro]};
+        }
+
+        try {
+            $value = $object->$macro;
+        } catch (Exception $e) {
+            $objectName = $object->getName();
+            if ($object instanceof Service) {
+                $objectName = $object->getHost()->getName() . '!' . $objectName;
+            }
+
+            $value = null;
+            Logger::debug('Unable to resolve macro "%s" on object "%s". An error occured: %s', $macro, $objectName, $e);
+        }
+
+        return $value !== null ? $value : $macro;
+    }
+}
diff --git a/modules/monitoring/library/Monitoring/Object/MonitoredObject.php b/modules/monitoring/library/Monitoring/Object/MonitoredObject.php
new file mode 100644
index 0000000..91fd9e7
--- /dev/null
+++ b/modules/monitoring/library/Monitoring/Object/MonitoredObject.php
@@ -0,0 +1,930 @@
+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Monitoring\Object;
+
+use Icinga\Data\Filter\FilterEqual;
+use stdClass;
+use InvalidArgumentException;
+use Icinga\Authentication\Auth;
+use Icinga\Application\Config;
+use Icinga\Data\Filter\Filter;
+use Icinga\Data\Filterable;
+use Icinga\Exception\InvalidPropertyException;
+use Icinga\Exception\ProgrammingError;
+use Icinga\Module\Monitoring\Backend\MonitoringBackend;
+use Icinga\Util\GlobFilter;
+use Icinga\Web\UrlParams;
+
+/**
+ * A monitored Icinga object, i.e. host or service
+ */
+abstract class MonitoredObject implements Filterable
+{
+    /**
+     * Type host
+     */
+    const TYPE_HOST = 'host';
+
+    /**
+     * Type service
+     */
+    const TYPE_SERVICE = 'service';
+
+    /**
+     * Acknowledgement of the host or service if any
+     *
+     * @var object
+     */
+    protected $acknowledgement;
+
+    /**
+     * Backend to fetch object information from
+     *
+     * @var MonitoringBackend
+     */
+    protected $backend;
+
+    /**
+     * Comments
+     *
+     * @var array
+     */
+    protected $comments;
+
+    /**
+     * This object's obfuscated custom variables
+     *
+     * @var array
+     */
+    protected $customvars;
+
+    /**
+     * This object's obfuscated custom variables, names not lower case
+     *
+     * @var array
+     */
+    protected $customvarsWithOriginalNames;
+
+    /**
+     * The host custom variables
+     *
+     * @var array
+     */
+    protected $hostVariables;
+
+    /**
+     * The service custom variables
+     *
+     * @var array
+     */
+    protected $serviceVariables;
+
+    /**
+     * Contact groups
+     *
+     * @var array
+     */
+    protected $contactgroups;
+
+    /**
+     * Contacts
+     *
+     * @var array
+     */
+    protected $contacts;
+
+    /**
+     * Downtimes
+     *
+     * @var array
+     */
+    protected $downtimes;
+
+    /**
+     * Event history
+     *
+     * @var \Icinga\Module\Monitoring\DataView\EventHistory
+     */
+    protected $eventhistory;
+
+    /**
+     * Filter
+     *
+     * @var Filter
+     */
+    protected $filter;
+
+    /**
+     * Host groups
+     *
+     * @var array
+     */
+    protected $hostgroups;
+
+    /**
+     * Prefix of the Icinga object, i.e. 'host_' or 'service_'
+     *
+     * @var string
+     */
+    protected $prefix;
+
+    /**
+     * Properties
+     *
+     * @var object
+     */
+    protected $properties;
+
+    /**
+     * Service groups
+     *
+     * @var array
+     */
+    protected $servicegroups;
+
+    /**
+     * Type of the Icinga object, i.e. 'host' or 'service'
+     *
+     * @var string
+     */
+    protected $type;
+
+    /**
+     * Stats
+     *
+     * @var object
+     */
+    protected $stats;
+
+    /**
+     * The properties to hide from the user
+     *
+     * @var GlobFilter
+     */
+    protected $blacklistedProperties = null;
+
+    /**
+     * Create a monitored object, i.e. host or service
+     *
+     * @param MonitoringBackend $backend Backend to fetch object information from
+     */
+    public function __construct(MonitoringBackend $backend)
+    {
+        $this->backend = $backend;
+    }
+
+    /**
+     * Get the object's data view
+     *
+     * @return \Icinga\Module\Monitoring\DataView\DataView
+     */
+    abstract protected function getDataView();
+
+    /**
+     * Get all note urls configured for this monitored object
+     *
+     * @return array All note urls as a string
+     */
+    abstract public function getNotesUrls();
+
+    /**
+     * {@inheritdoc}
+     */
+    public function addFilter(Filter $filter)
+    {
+        // Left out on purpose. Interface is deprecated.
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function applyFilter(Filter $filter)
+    {
+        $this->getFilter()->addFilter($filter);
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getFilter()
+    {
+        if ($this->filter === null) {
+            $this->filter = Filter::matchAll();
+        }
+
+        return $this->filter;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setFilter(Filter $filter)
+    {
+        // Left out on purpose. Interface is deprecated.
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function where($condition, $value = null)
+    {
+        // Left out on purpose. Interface is deprecated.
+    }
+
+    /**
+     * Require the object's type to be one of the given types
+     *
+     * @param   array $oneOf
+     *
+     * @return  bool
+     * @throws  InvalidArgumentException If the object's type is not one of the given types.
+     */
+    public function assertOneOf(array $oneOf)
+    {
+        if (! in_array($this->type, $oneOf)) {
+            throw new InvalidArgumentException;
+        }
+        return true;
+    }
+
+    /**
+     * Fetch the object's properties
+     *
+     * @return bool
+     */
+    public function fetch()
+    {
+        $properties = $this->getDataView()->applyFilter($this->getFilter())->getQuery()->fetchRow();
+
+        if ($properties === false) {
+            return false;
+        }
+
+        if (isset($properties->host_contacts)) {
+            $this->contacts = array();
+            foreach (preg_split('~,~', $properties->host_contacts) as $contact) {
+                $this->contacts[] = (object) array(
+                    'contact_name'  => $contact,
+                    'contact_alias' => $contact,
+                    'contact_email' => null,
+                    'contact_pager' => null,
+                );
+            }
+        }
+
+        $this->properties = $properties;
+
+        return true;
+    }
+
+    /**
+     * Fetch the object's acknowledgement
+     */
+    public function fetchAcknowledgement()
+    {
+        if ($this->comments === null) {
+            $this->fetchComments();
+        }
+
+        return $this;
+    }
+
+    /**
+     * Fetch the object's comments
+     *
+     * @return $this
+     */
+    public function fetchComments()
+    {
+        $commentsView = $this->backend->select()->from('comment', array(
+            'author'            => 'comment_author_name',
+            'comment'           => 'comment_data',
+            'expiration'        => 'comment_expiration',
+            'id'                => 'comment_internal_id',
+            'name'              => 'comment_name',
+            'persistent'        => 'comment_is_persistent',
+            'timestamp'         => 'comment_timestamp',
+            'type'              => 'comment_type'
+        ));
+        if ($this->type === self::TYPE_SERVICE) {
+            $commentsView
+                ->whereEx(new FilterEqual('service_host_name', '=', $this->host_name))
+                ->whereEx(new FilterEqual('service_description', '=', $this->service_description));
+        } else {
+            $commentsView->whereEx(new FilterEqual('host_name', '=', $this->host_name));
+        }
+        $commentsView
+            ->whereEx(new FilterEqual('comment_type', '=', ['ack', 'comment']))
+            ->whereEx(new FilterEqual('object_type', '=', $this->type));
+
+        $comments = $commentsView->fetchAll();
+
+        if ((bool) $this->properties->{$this->prefix . 'acknowledged'}) {
+            $ackCommentIdx = null;
+
+            foreach ($comments as $i => $comment) {
+                if ($comment->type === 'ack') {
+                    $this->acknowledgement = new Acknowledgement(array(
+                        'author'            => $comment->author,
+                        'comment'           => $comment->comment,
+                        'entry_time'        => $comment->timestamp,
+                        'expiration_time'   => $comment->expiration,
+                        'sticky'            => (int) $this->properties->{$this->prefix . 'acknowledgement_type'} === 2
+                    ));
+                    $ackCommentIdx = $i;
+                    break;
+                }
+            }
+
+            if ($ackCommentIdx !== null) {
+                unset($comments[$ackCommentIdx]);
+            }
+        }
+
+        $this->comments = $comments;
+
+        return $this;
+    }
+
+    /**
+     * Fetch the object's contact groups
+     *
+     * @return $this
+     */
+    public function fetchContactgroups()
+    {
+        $contactsGroups = $this->backend->select()->from('contactgroup', array(
+            'contactgroup_name',
+            'contactgroup_alias'
+        ));
+        if ($this->type === self::TYPE_SERVICE) {
+            $contactsGroups
+                ->whereEx(new FilterEqual('service_host_name', '=', $this->host_name))
+                ->whereEx(new FilterEqual('service_description', '=', $this->service_description));
+        } else {
+            $contactsGroups->whereEx(new FilterEqual('host_name', '=', $this->host_name));
+        }
+        $this->contactgroups = $contactsGroups;
+        return $this;
+    }
+
+    /**
+     * Fetch the object's contacts
+     *
+     * @return $this
+     */
+    public function fetchContacts()
+    {
+        $contacts = $this->backend->select()->from("{$this->type}contact", array(
+            'contact_name',
+            'contact_alias',
+            'contact_email',
+            'contact_pager',
+        ));
+        if ($this->type === self::TYPE_SERVICE) {
+            $contacts
+                ->whereEx(new FilterEqual('service_host_name', '=', $this->host_name))
+                ->whereEx(new FilterEqual('service_description', '=', $this->service_description));
+        } else {
+            $contacts->whereEx(new FilterEqual('host_name', '=', $this->host_name));
+        }
+        $this->contacts = $contacts;
+        return $this;
+    }
+
+    /**
+     * Fetch this object's obfuscated custom variables
+     *
+     * @return  $this
+     */
+    public function fetchCustomvars()
+    {
+
+        if ($this->type === self::TYPE_SERVICE) {
+            $this->fetchServiceVariables();
+            $customvars = $this->serviceVariables;
+        } else {
+            $this->fetchHostVariables();
+            $customvars = $this->hostVariables;
+        }
+
+        $this->customvars = $customvars;
+        $this->hideBlacklistedProperties();
+        $this->customvars = $this->obfuscateCustomVars($this->customvars, null);
+        $this->customvarsWithOriginalNames = $this->obfuscateCustomVars($this->customvarsWithOriginalNames, null);
+
+        return $this;
+    }
+
+    /**
+     * Obfuscate custom variables recursively
+     *
+     * @param stdClass|array    $customvars         The custom variables to obfuscate
+     *
+     * @return stdClass|array                       The obfuscated custom variables
+     */
+    protected function obfuscateCustomVars($customvars, $_)
+    {
+        return self::protectCustomVars($customvars);
+    }
+
+    public static function protectCustomVars($customvars)
+    {
+        $blacklist = [];
+        $blacklistPattern = '';
+
+        if (($blacklistConfig = Config::module('monitoring')->get('security', 'protected_customvars', '')) !== '') {
+            foreach (explode(',', $blacklistConfig) as $customvar) {
+                $nonWildcards = array();
+                foreach (explode('*', $customvar) as $nonWildcard) {
+                    $nonWildcards[] = preg_quote($nonWildcard, '/');
+                }
+                $blacklist[] = implode('.*', $nonWildcards);
+            }
+            $blacklistPattern = '/^(' . implode('|', $blacklist) . ')$/i';
+        }
+
+        if (! $blacklistPattern) {
+            return $customvars;
+        }
+
+        $obfuscator = function ($vars) use ($blacklistPattern, &$obfuscator) {
+            $result = [];
+            foreach ($vars as $name => $value) {
+                if ($blacklistPattern && preg_match($blacklistPattern, $name)) {
+                    $result[$name] = '***';
+                } elseif ($value instanceof stdClass || is_array($value)) {
+                    $obfuscated = $obfuscator($value);
+                    $result[$name] = $value instanceof stdClass ? (object) $obfuscated : $obfuscated;
+                } else {
+                    $result[$name] = $value;
+                }
+            }
+
+            return $result;
+        };
+        $obfuscatedCustomVars = $obfuscator($customvars);
+
+        return $customvars instanceof stdClass ? (object) $obfuscatedCustomVars : $obfuscatedCustomVars;
+    }
+
+    /**
+     * Hide all blacklisted properties from the user as restricted by monitoring/blacklist/properties
+     *
+     * Currently this only affects the custom variables
+     */
+    protected function hideBlacklistedProperties()
+    {
+        if ($this->blacklistedProperties === null) {
+            $this->blacklistedProperties = new GlobFilter(
+                Auth::getInstance()->getRestrictions('monitoring/blacklist/properties')
+            );
+        }
+
+        $allProperties = $this->blacklistedProperties->removeMatching(
+            [$this->type => ['vars' => $this->customvars]]
+        );
+        $this->customvars = isset($allProperties[$this->type]['vars'])
+            ? $allProperties[$this->type]['vars']
+            : [];
+
+        $allProperties = $this->blacklistedProperties->removeMatching(
+            [$this->type => ['vars' => $this->customvarsWithOriginalNames]]
+        );
+        $this->customvarsWithOriginalNames = isset($allProperties[$this->type]['vars'])
+            ? $allProperties[$this->type]['vars']
+            : [];
+    }
+
+    /**
+     * Fetch the host custom variables related to this object
+     *
+     * @return  $this
+     */
+    public function fetchHostVariables()
+    {
+        $query = $this->backend->select()->from('customvar', array(
+            'varname',
+            'varvalue',
+            'is_json'
+        ))
+            ->whereEx(new FilterEqual('object_type', '=', static::TYPE_HOST))
+            ->whereEx(new FilterEqual('host_name', '=', $this->host_name));
+
+        $this->hostVariables = [];
+
+        if ($this->type === static::TYPE_HOST) {
+            $this->customvarsWithOriginalNames = [];
+        }
+
+        foreach ($query as $row) {
+            if ($row->is_json) {
+                $this->hostVariables[strtolower($row->varname)] = json_decode($row->varvalue);
+            } else {
+                $this->hostVariables[strtolower($row->varname)] = $row->varvalue;
+            }
+
+            if ($this->type === static::TYPE_HOST) {
+                $this->customvarsWithOriginalNames[$row->varname] = $this->hostVariables[strtolower($row->varname)];
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Fetch the service custom variables related to this object
+     *
+     * @return  $this
+     *
+     * @throws  ProgrammingError    In case this object is not a service
+     */
+    public function fetchServiceVariables()
+    {
+        if ($this->type !== static::TYPE_SERVICE) {
+            throw new ProgrammingError('Cannot fetch service custom variables for non-service objects');
+        }
+
+        $query = $this->backend->select()->from('customvar', array(
+            'varname',
+            'varvalue',
+            'is_json'
+        ))
+            ->whereEx(new FilterEqual('object_type', '=', static::TYPE_SERVICE))
+            ->whereEx(new FilterEqual('host_name', '=', $this->host_name))
+            ->whereEx(new FilterEqual('service_description', '=', $this->service_description));
+
+        $this->serviceVariables = [];
+        $this->customvarsWithOriginalNames = [];
+        foreach ($query as $row) {
+            if ($row->is_json) {
+                $this->customvarsWithOriginalNames[$row->varname] = json_decode($row->varvalue);
+                $this->serviceVariables[strtolower($row->varname)] = $this->customvarsWithOriginalNames[$row->varname];
+            } else {
+                $this->serviceVariables[strtolower($row->varname)] = $row->varvalue;
+                $this->customvarsWithOriginalNames[$row->varname] = $row->varvalue;
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Fetch the object's downtimes
+     *
+     * @return $this
+     */
+    public function fetchDowntimes()
+    {
+        $downtimes = $this->backend->select()->from('downtime', array(
+            'author_name'       => 'downtime_author_name',
+            'comment'           => 'downtime_comment',
+            'duration'          => 'downtime_duration',
+            'end'               => 'downtime_end',
+            'entry_time'        => 'downtime_entry_time',
+            'id'                => 'downtime_internal_id',
+            'is_fixed'          => 'downtime_is_fixed',
+            'is_flexible'       => 'downtime_is_flexible',
+            'is_in_effect'      => 'downtime_is_in_effect',
+            'name'              => 'downtime_name',
+            'objecttype'        => 'object_type',
+            'scheduled_end'     => 'downtime_scheduled_end',
+            'scheduled_start'   => 'downtime_scheduled_start',
+            'start'             => 'downtime_start'
+        ))
+            ->whereEx(new FilterEqual('object_type', '=', $this->type))
+            ->order('downtime_is_in_effect', 'DESC')
+            ->order('downtime_scheduled_start', 'ASC');
+        if ($this->type === self::TYPE_SERVICE) {
+            $downtimes
+                ->whereEx(new FilterEqual('service_host_name', '=', $this->host_name))
+                ->whereEx(new FilterEqual('service_description', '=', $this->service_description));
+        } else {
+            $downtimes
+                ->whereEx(new FilterEqual('host_name', '=', $this->host_name));
+        }
+        $this->downtimes = $downtimes->getQuery()->fetchAll();
+        return $this;
+    }
+
+    /**
+     * Fetch the object's event history
+     *
+     * @return $this
+     */
+    public function fetchEventhistory()
+    {
+        $eventHistory = $this->backend
+            ->select()
+            ->from(
+                'eventhistory',
+                array(
+                    'id',
+                    'object_type',
+                    'host_name',
+                    'host_display_name',
+                    'service_description',
+                    'service_display_name',
+                    'timestamp',
+                    'state',
+                    'output',
+                    'type'
+                )
+            )
+            ->whereEx(new FilterEqual('object_type', '=', $this->type))
+            ->whereEx(new FilterEqual('host_name', '=', $this->host_name));
+
+        if ($this->type === self::TYPE_SERVICE) {
+            $eventHistory->whereEx(
+                new FilterEqual('service_description', '=', $this->service_description)
+            );
+        }
+
+        $this->eventhistory = $eventHistory;
+        return $this;
+    }
+
+    /**
+     * Fetch the object's host groups
+     *
+     * @return $this
+     */
+    public function fetchHostgroups()
+    {
+        $this->hostgroups = $this->backend->select()
+            ->from('hostgroup', array('hostgroup_name', 'hostgroup_alias'))
+            ->whereEx(new FilterEqual('host_name', '=', $this->host_name))
+            ->applyFilter($this->getFilter())
+            ->fetchPairs();
+        return $this;
+    }
+
+    /**
+     * Fetch the object's service groups
+     *
+     * @return $this
+     */
+    public function fetchServicegroups()
+    {
+        $query = $this->backend->select()
+            ->from('servicegroup', array('servicegroup_name', 'servicegroup_alias'))
+            ->whereEx(new FilterEqual('host_name', '=', $this->host_name));
+
+        if ($this->type === self::TYPE_SERVICE) {
+            $query->whereEx(
+                new FilterEqual('service_description', '=', $this->service_description)
+            );
+        }
+
+        $this->servicegroups = $query->applyFilter($this->getFilter())->fetchPairs();
+        return $this;
+    }
+
+    /**
+     * Fetch stats
+     *
+     * @return $this
+     */
+    public function fetchStats()
+    {
+        $this->stats = $this->backend->select()->from('servicestatussummary', array(
+            'services_total',
+            'services_ok',
+            'services_critical',
+            'services_critical_unhandled',
+            'services_critical_handled',
+            'services_warning',
+            'services_warning_unhandled',
+            'services_warning_handled',
+            'services_unknown',
+            'services_unknown_unhandled',
+            'services_unknown_handled',
+            'services_pending',
+        ))
+            ->whereEx(new FilterEqual('service_host_name', '=', $this->host_name))
+            ->applyFilter($this->getFilter())
+            ->fetchRow();
+        return $this;
+    }
+
+    /**
+     * Get all action urls configured for this monitored object
+     *
+     * @return array    All note urls as a string
+     */
+    public function getActionUrls()
+    {
+        return $this->resolveAllStrings(
+            MonitoredObject::parseAttributeUrls($this->action_url)
+        );
+    }
+
+    /**
+     * Get the type of the object
+     *
+     * @param   bool $translate
+     *
+     * @return  string
+     */
+    public function getType($translate = false)
+    {
+        if ($translate !== false) {
+            switch ($this->type) {
+                case self::TYPE_HOST:
+                    $type = mt('montiroing', 'host');
+                    break;
+                case self::TYPE_SERVICE:
+                    $type = mt('monitoring', 'service');
+                    break;
+                default:
+                    throw new InvalidArgumentException('Invalid type ' . $this->type);
+            }
+        } else {
+            $type = $this->type;
+        }
+        return $type;
+    }
+
+    /**
+     * Parse the content of the action_url or notes_url attributes
+     *
+     * Find all occurences of http links, separated by whitespaces and quoted
+     * by single or double-ticks.
+     *
+     * @link http://docs.icinga.com/latest/de/objectdefinitions.html
+     *
+     * @param   string  $urlString  A string containing one or more urls
+     * @return  array                   Array of urls as strings
+     */
+    public static function parseAttributeUrls($urlString)
+    {
+        if (empty($urlString)) {
+            return array();
+        }
+        $links = array();
+        if (strpos($urlString, "' ") === false) {
+            $links[] = $urlString;
+        } else {
+            // parse notes-url format
+            foreach (explode("' ", $urlString) as $url) {
+                $url = strpos($url, "'") === 0 ? substr($url, 1) : $url;
+                $url = strrpos($url, "'") === strlen($url) - 1 ? substr($url, 0, strlen($url) - 1) : $url;
+                $links[] = $url;
+            }
+        }
+        return $links;
+    }
+
+    /**
+     * Fetch all available data of the object
+     *
+     * @return $this
+     */
+    public function populate()
+    {
+        $this
+            ->fetchComments()
+            ->fetchContactgroups()
+            ->fetchContacts()
+            ->fetchCustomvars()
+            ->fetchDowntimes();
+
+        // Call fetchHostgroups or fetchServicegroups depending on the object's type
+        $fetchGroups = 'fetch' . ucfirst($this->type) . 'groups';
+        $this->$fetchGroups();
+
+        return $this;
+    }
+
+    /**
+     * Resolve macros in all given strings in the current object context
+     *
+     * @param   array   $strs   An array of urls as string
+     *
+     * @return  array
+     */
+    protected function resolveAllStrings(array $strs)
+    {
+        foreach ($strs as $i => $str) {
+            $strs[$i] = Macro::resolveMacros($str, $this);
+        }
+        return $strs;
+    }
+
+    /**
+     * Set the object's properties
+     *
+     * @param   object $properties
+     *
+     * @return  $this
+     */
+    public function setProperties($properties)
+    {
+        $this->properties = (object) $properties;
+        return $this;
+    }
+
+    public function __isset($name)
+    {
+        if (property_exists($this->properties, $name)) {
+            return isset($this->properties->$name);
+        } elseif (property_exists($this, $name)) {
+            return isset($this->$name);
+        }
+        return false;
+    }
+
+    public function __get($name)
+    {
+        if (property_exists($this->properties, $name)) {
+            return $this->properties->$name;
+        } elseif (property_exists($this, $name)) {
+            if ($this->$name === null) {
+                $fetchMethod = 'fetch' . ucfirst($name);
+                $this->$fetchMethod();
+            }
+
+            return $this->$name;
+        } elseif (preg_match('/^_(host|service)_(.+)/i', $name, $matches)) {
+            if (strtolower($matches[1]) === static::TYPE_HOST) {
+                if ($this->hostVariables === null) {
+                    $this->fetchHostVariables();
+                }
+
+                $customvars = $this->hostVariables;
+            } else {
+                if ($this->serviceVariables === null) {
+                    $this->fetchServiceVariables();
+                }
+
+                $customvars = $this->serviceVariables;
+            }
+
+            $variableName = strtolower($matches[2]);
+            if (isset($customvars[$variableName])) {
+                return $customvars[$variableName];
+            }
+
+            return null; // Unknown custom variables MUST NOT throw an error
+        } elseif (in_array($name, array('contact_name', 'contactgroup_name', 'hostgroup_name', 'servicegroup_name'))) {
+            if ($name === 'contact_name') {
+                if ($this->contacts === null) {
+                    $this->fetchContacts();
+                }
+
+                return array_map(function ($el) {
+                    return $el->contact_name;
+                }, $this->contacts);
+            } elseif ($name === 'contactgroup_name') {
+                if ($this->contactgroups === null) {
+                    $this->fetchContactgroups();
+                }
+
+                return array_map(function ($el) {
+                    return $el->contactgroup_name;
+                }, $this->contactgroups);
+            } elseif ($name === 'hostgroup_name') {
+                if ($this->hostgroups === null) {
+                    $this->fetchHostgroups();
+                }
+
+                return array_keys($this->hostgroups);
+            } else { // $name === 'servicegroup_name'
+                if ($this->servicegroups === null) {
+                    $this->fetchServicegroups();
+                }
+
+                return array_keys($this->servicegroups);
+            }
+        } elseif (strpos($name, $this->prefix) !== 0) {
+            $propertyName = strtolower($name);
+            $prefixedName = $this->prefix . $propertyName;
+            if (property_exists($this->properties, $prefixedName)) {
+                return $this->properties->$prefixedName;
+            }
+
+            if ($this->type === static::TYPE_HOST) {
+                if ($this->hostVariables === null) {
+                    $this->fetchHostVariables();
+                }
+
+                $customvars = $this->hostVariables;
+            } else { // $this->type === static::TYPE_SERVICE
+                if ($this->serviceVariables === null) {
+                    $this->fetchServiceVariables();
+                }
+
+                $customvars = $this->serviceVariables;
+            }
+
+            if (isset($customvars[$propertyName])) {
+                return $customvars[$propertyName];
+            }
+        }
+
+        throw new InvalidPropertyException('Can\'t access property \'%s\'. Property does not exist.', $name);
+    }
+}
diff --git a/modules/monitoring/library/Monitoring/Object/ObjectList.php b/modules/monitoring/library/Monitoring/Object/ObjectList.php
new file mode 100644
index 0000000..5237c56
--- /dev/null
+++ b/modules/monitoring/library/Monitoring/Object/ObjectList.php
@@ -0,0 +1,295 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Monitoring\Object;
+
+use ArrayIterator;
+use Countable;
+use Icinga\Data\Filter\Filter;
+use Icinga\Data\Filter\FilterChain;
+use Icinga\Data\Filterable;
+use Icinga\Module\Monitoring\DataView\Downtime;
+use IteratorAggregate;
+use Icinga\Module\Monitoring\Backend\MonitoringBackend;
+use Traversable;
+
+abstract class ObjectList implements Countable, IteratorAggregate, Filterable
+{
+    /**
+     * @var string
+     */
+    protected $dataViewName;
+
+    /**
+     * @var MonitoringBackend
+     */
+    protected $backend;
+
+    /**
+     * @var array
+     */
+    protected $columns;
+
+    /**
+     * @var Filter
+     */
+    protected $filter;
+
+    /**
+     * @var array
+     */
+    protected $objects;
+
+    /**
+     * @var int
+     */
+    protected $count;
+
+    public function __construct(MonitoringBackend $backend)
+    {
+        $this->backend = $backend;
+    }
+
+    /**
+     * @param array $columns
+     *
+     * @return $this
+     */
+    public function setColumns(array $columns)
+    {
+        $this->columns = $columns;
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function getColumns()
+    {
+        return $this->columns;
+    }
+
+    /**
+     * @param Filter $filter
+     *
+     * @return $this
+     */
+    public function setFilter(Filter $filter)
+    {
+        $this->filter = $filter;
+        return $this;
+    }
+
+    /**
+     * @return Filter|FilterChain
+     */
+    public function getFilter()
+    {
+        if ($this->filter === null) {
+            $this->filter = Filter::matchAll();
+        }
+
+        return $this->filter;
+    }
+
+    public function applyFilter(Filter $filter)
+    {
+        $this->getFilter()->addFilter($filter);
+        return $this;
+    }
+
+    public function addFilter(Filter $filter)
+    {
+        $this->getFilter()->addFilter($filter);
+    }
+
+    public function where($condition, $value = null)
+    {
+        $this->getFilter()->addFilter(Filter::where($condition, $value));
+    }
+
+    abstract protected function fetchObjects();
+
+    /**
+     * @return array
+     */
+    public function fetch()
+    {
+        if ($this->objects === null) {
+            $this->objects = $this->fetchObjects();
+        }
+        return $this->objects;
+    }
+
+    public function count(): int
+    {
+        if ($this->count === null) {
+            $this->count = (int) $this->backend
+                ->select()
+                ->from($this->dataViewName, $this->columns)
+                ->applyFilter($this->filter)
+                ->getQuery()
+                ->count();
+        }
+
+        return $this->count;
+    }
+
+    public function getIterator(): Traversable
+    {
+        if ($this->objects === null) {
+            $this->fetch();
+        }
+        return new ArrayIterator($this->objects);
+    }
+
+    /**
+     * Get the comments
+     *
+     * @return \Icinga\Module\Monitoring\DataView\Comment
+     */
+    public function getComments()
+    {
+        return $this->backend->select()->from('comment')->applyFilter($this->filter);
+    }
+
+    /**
+     * Get the scheduled downtimes
+     *
+     * @return Downtime
+     */
+    public function getScheduledDowntimes()
+    {
+        return $this->backend->select()->from('downtime')->applyFilter($this->filter);
+    }
+
+    /**
+     * @return ObjectList
+     */
+    public function getAcknowledgedObjects()
+    {
+        $acknowledgedObjects = array();
+        foreach ($this as $object) {
+            if ((bool) $object->acknowledged === true) {
+                $acknowledgedObjects[] = $object;
+            }
+        }
+        return $this->newFromArray($acknowledgedObjects);
+    }
+
+    /**
+     * @return ObjectList
+     */
+    public function getObjectsInDowntime()
+    {
+        $objectsInDowntime = array();
+        foreach ($this as $object) {
+            if ((bool) $object->in_downtime === true) {
+                $objectsInDowntime[] = $object;
+            }
+        }
+        return $this->newFromArray($objectsInDowntime);
+    }
+
+    /**
+     * @return ObjectList
+     */
+    public function getUnhandledObjects()
+    {
+        $unhandledObjects = array();
+        foreach ($this as $object) {
+            if ((bool) $object->problem === true && (bool) $object->handled === false) {
+                $unhandledObjects[] = $object;
+            }
+        }
+        return $this->newFromArray($unhandledObjects);
+    }
+
+    /**
+     * @return ObjectList
+     */
+    public function getProblemObjects()
+    {
+        $handledObjects = array();
+        foreach ($this as $object) {
+            if ((bool) $object->problem === true) {
+                $handledObjects[] = $object;
+            }
+        }
+        return $this->newFromArray($handledObjects);
+    }
+
+    /**
+     * @return ObjectList
+     */
+    abstract public function getUnacknowledgedObjects();
+
+    /**
+     * Create a ObjectList from an array of hosts without querying a backend
+     *
+     * @return ObjectList
+     */
+    protected function newFromArray(array $objects)
+    {
+        $class = get_called_class();
+        $list = new $class($this->backend);
+        $list->objects = $objects;
+        $list->count = count($objects);
+        $list->filter = $list->objectsFilter();
+        return $list;
+    }
+
+    /**
+     * Create a filter that matches exactly the elements of this object list
+     *
+     * @param   array   $columns    Override default column names.
+     *
+     * @return  Filter
+     */
+    abstract public function objectsFilter($columns = array());
+
+    /**
+     * Get the feature status
+     *
+     * @return array
+     */
+    public function getFeatureStatus()
+    {
+        // null - init
+        // 0 - disabled
+        // 1 - enabled
+        // 2 - enabled & disabled
+        $featureStatus = array(
+            'active_checks_enabled'     => null,
+            'passive_checks_enabled'    => null,
+            'obsessing'                 => null,
+            'notifications_enabled'     => null,
+            'event_handler_enabled'     => null,
+            'flap_detection_enabled'    => null
+        );
+
+        $features = array();
+
+        foreach ($featureStatus as $feature => &$status) {
+            $features[$feature] = &$status;
+        }
+
+        foreach ($this as $object) {
+            foreach ($features as $feature => &$status) {
+                $enabled = (int) $object->{$feature};
+                if (! isset($status)) {
+                    $status = $enabled;
+                } elseif ($status !== $enabled) {
+                    unset($features[$feature]);
+                    if (empty($features)) {
+                        break 2;
+                    }
+
+                    break;
+                }
+            }
+        }
+
+        return $featureStatus;
+    }
+}
diff --git a/modules/monitoring/library/Monitoring/Object/Service.php b/modules/monitoring/library/Monitoring/Object/Service.php
new file mode 100644
index 0000000..a63db6f
--- /dev/null
+++ b/modules/monitoring/library/Monitoring/Object/Service.php
@@ -0,0 +1,220 @@
+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Monitoring\Object;
+
+use Icinga\Data\Filter\FilterEqual;
+use Icinga\Module\Monitoring\DataView\Servicestatus;
+use InvalidArgumentException;
+use Icinga\Module\Monitoring\Backend\MonitoringBackend;
+
+/**
+ * An Icinga service
+ */
+class Service extends MonitoredObject
+{
+    /**
+     * Service state 'OK'
+     */
+    const STATE_OK = 0;
+
+    /**
+     * Service state 'WARNING'
+     */
+    const STATE_WARNING = 1;
+
+    /**
+     * Service state 'CRITICAL'
+     */
+    const STATE_CRITICAL = 2;
+
+    /**
+     * Service state 'UNKNOWN'
+     */
+    const STATE_UNKNOWN = 3;
+
+    /**
+     * Service state 'PENDING'
+     */
+    const STATE_PENDING = 99;
+
+    /**
+     * Type of the Icinga service
+     *
+     * @var string
+     */
+    public $type = self::TYPE_SERVICE;
+
+    /**
+     * Prefix of the Icinga service
+     *
+     * @var string
+     */
+    public $prefix = 'service_';
+
+    /**
+     * Host the service is running on
+     *
+     * @var Host
+     */
+    protected $host;
+
+    /**
+     * Service name
+     *
+     * @var string
+     */
+    protected $service;
+
+    /**
+     * Create a new service
+     *
+     * @param MonitoringBackend $backend    Backend to fetch service information from
+     * @param string            $host       Hostname the service is running on
+     * @param string            $service    Service name
+     */
+    public function __construct(MonitoringBackend $backend, $host, $service)
+    {
+        parent::__construct($backend);
+        $this->host = new Host($backend, $host);
+        $this->service = $service;
+    }
+
+    /**
+     * Get the host the service is running on
+     *
+     * @return Host
+     */
+    public function getHost()
+    {
+        return $this->host;
+    }
+
+    /**
+     * Get the service name
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->service;
+    }
+
+    /**
+     * Get the data view
+     *
+     * @return Servicestatus
+     */
+    protected function getDataView()
+    {
+        return $this->backend->select()->from('servicestatus', array(
+            'instance_name',
+            'host_attempt',
+            'host_icon_image',
+            'host_icon_image_alt',
+            'host_acknowledged',
+            'host_active_checks_enabled',
+            'host_address',
+            'host_address6',
+            'host_alias',
+            'host_display_name',
+            'host_handled',
+            'host_in_downtime',
+            'host_is_flapping',
+            'host_last_state_change',
+            'host_name',
+            'host_notifications_enabled',
+            'host_passive_checks_enabled',
+            'host_state',
+            'host_state_type',
+            'service_icon_image',
+            'service_icon_image_alt',
+            'service_acknowledged',
+            'service_acknowledgement_type',
+            'service_action_url',
+            'service_active_checks_enabled',
+            'service_active_checks_enabled_changed',
+            'service_attempt',
+            'service_check_command',
+            'service_check_execution_time',
+            'service_check_interval',
+            'service_check_latency',
+            'service_check_source',
+            'service_check_timeperiod',
+            'service_current_notification_number',
+            'service_description',
+            'service_display_name',
+            'service_event_handler_enabled',
+            'service_event_handler_enabled_changed',
+            'service_flap_detection_enabled',
+            'service_flap_detection_enabled_changed',
+            'service_handled',
+            'service_in_downtime',
+            'service_is_flapping',
+            'service_is_reachable',
+            'service_last_check',
+            'service_last_notification',
+            'service_last_state_change',
+            'service_long_output',
+            'service_next_check',
+            'service_next_update',
+            'service_notes',
+            'service_notes_url',
+            'service_notifications_enabled',
+            'service_notifications_enabled_changed',
+            'service_obsessing',
+            'service_obsessing_changed',
+            'service_output',
+            'service_passive_checks_enabled',
+            'service_passive_checks_enabled_changed',
+            'service_percent_state_change',
+            'service_perfdata',
+            'service_process_perfdata' => 'service_process_performance_data',
+            'service_state',
+            'service_state_type'
+        ))
+            ->whereEx(new FilterEqual('host_name', '=', $this->host->getName()))
+            ->whereEx(new FilterEqual('service_description', '=', $this->service));
+    }
+
+    /**
+     * Get the optional translated textual representation of a service state
+     *
+     * @param   int     $state
+     * @param   bool    $translate
+     *
+     * @return  string
+     * @throws  InvalidArgumentException If the service state is not valid
+     */
+    public static function getStateText($state, $translate = false)
+    {
+        $translate = (bool) $translate;
+        switch ((int) $state) {
+            case self::STATE_OK:
+                $text = $translate ? mt('monitoring', 'OK') : 'ok';
+                break;
+            case self::STATE_WARNING:
+                $text = $translate ? mt('monitoring', 'WARNING') : 'warning';
+                break;
+            case self::STATE_CRITICAL:
+                $text = $translate ? mt('monitoring', 'CRITICAL') : 'critical';
+                break;
+            case self::STATE_UNKNOWN:
+                $text = $translate ? mt('monitoring', 'UNKNOWN') : 'unknown';
+                break;
+            case self::STATE_PENDING:
+                $text = $translate ? mt('monitoring', 'PENDING') : 'pending';
+                break;
+            default:
+                throw new InvalidArgumentException(sprintf('Invalid service state \'%s\'', $state));
+        }
+        return $text;
+    }
+
+    public function getNotesUrls()
+    {
+        return $this->resolveAllStrings(
+            MonitoredObject::parseAttributeUrls($this->service_notes_url)
+        );
+    }
+}
diff --git a/modules/monitoring/library/Monitoring/Object/ServiceList.php b/modules/monitoring/library/Monitoring/Object/ServiceList.php
new file mode 100644
index 0000000..5bc0bdb
--- /dev/null
+++ b/modules/monitoring/library/Monitoring/Object/ServiceList.php
@@ -0,0 +1,184 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Monitoring\Object;
+
+use Icinga\Data\DataArray\ArrayDatasource;
+use Icinga\Data\Filter\Filter;
+use Icinga\Data\Filter\FilterOr;
+use Icinga\Data\SimpleQuery;
+use Icinga\Util\StringHelper;
+
+/**
+ * A service list
+ */
+class ServiceList extends ObjectList
+{
+    protected $hostStateSummary;
+
+    protected $serviceStateSummary;
+
+    protected $dataViewName = 'servicestatus';
+
+    protected $columns = array('host_name', 'service_description');
+
+    protected function fetchObjects()
+    {
+        $services = array();
+        $query = $this->backend->select()->from($this->dataViewName, $this->columns)->applyFilter($this->filter)
+            ->getQuery()->getSelectQuery()->query();
+        foreach ($query as $row) {
+            /** @var object $row */
+            $service = new Service($this->backend, $row->host_name, $row->service_description);
+            $service->setProperties($row);
+            $services[] = $service;
+        }
+        return $services;
+    }
+
+    /**
+     * Create a state summary of all services that can be consumed by servicesummary.phtml
+     *
+     * @return  SimpleQuery
+     */
+    public function getServiceStateSummary()
+    {
+        if (! $this->serviceStateSummary) {
+            $this->initStateSummaries();
+        }
+
+        $ds = new ArrayDatasource(array((object) $this->serviceStateSummary));
+        return $ds->select();
+    }
+
+    /**
+     * Create a state summary of all hosts that can be consumed by hostsummary.phtml
+     *
+     * @return  SimpleQuery
+     */
+    public function getHostStateSummary()
+    {
+        if (! $this->hostStateSummary) {
+            $this->initStateSummaries();
+        }
+
+        $ds = new ArrayDatasource(array((object) $this->hostStateSummary));
+        return $ds->select();
+    }
+
+    /**
+     * Calculate the current state summary and populate hostStateSummary and serviceStateSummary
+     * properties
+     */
+    protected function initStateSummaries()
+    {
+        $serviceStates = array_fill_keys(self::getServiceStatesSummaryEmpty(), 0);
+        $hostStates = array_fill_keys(HostList::getHostStatesSummaryEmpty(), 0);
+
+        foreach ($this as $service) {
+            $unhandled = false;
+            if ((bool) $service->problem === true && (bool) $service->handled === false) {
+                $unhandled = true;
+            }
+
+            $stateName = 'services_' . $service::getStateText($service->state);
+            ++$serviceStates[$stateName];
+            ++$serviceStates[$stateName . ($unhandled ? '_unhandled' : '_handled')];
+
+            if (! isset($knownHostStates[$service->getHost()->getName()])) {
+                $unhandledHost = (bool) $service->host_problem === true && (bool) $service->host_handled === false;
+                ++$hostStates['hosts_' . $service->getHost()->getStateText($service->host_state)];
+                ++$hostStates['hosts_' . $service->getHost()->getStateText($service->host_state)
+                        . ($unhandledHost ? '_unhandled' : '_handled')];
+                $knownHostStates[$service->getHost()->getName()] = true;
+            }
+        }
+
+        $serviceStates['services_total'] = count($this);
+        $this->hostStateSummary = $hostStates;
+        $this->serviceStateSummary = $serviceStates;
+    }
+
+    /**
+     * Return an empty array with all possible host state names
+     *
+     * @return array    An array containing all possible host states as keys and 0 as values.
+     */
+    public static function getServiceStatesSummaryEmpty()
+    {
+        return StringHelper::cartesianProduct(
+            array(
+                array('services'),
+                array(
+                    Service::getStateText(Service::STATE_OK),
+                    Service::getStateText(Service::STATE_WARNING),
+                    Service::getStateText(Service::STATE_CRITICAL),
+                    Service::getStateText(Service::STATE_UNKNOWN),
+                    Service::getStateText(Service::STATE_PENDING)
+                ),
+                array(null, 'handled', 'unhandled')
+            ),
+            '_'
+        );
+    }
+
+    /**
+     * Returns a Filter that matches all hosts in this HostList
+     *
+     * @param   array   $columns    Override filter column names
+     *
+     * @return  Filter
+     */
+    public function objectsFilter($columns = array('host' => 'host', 'service' => 'service'))
+    {
+        $filterExpression = array();
+        foreach ($this as $service) {
+            $filterExpression[] = Filter::matchAll(
+                Filter::where($columns['host'], $service->getHost()->getName()),
+                Filter::where($columns['service'], $service->getName())
+            );
+        }
+        return FilterOr::matchAny($filterExpression);
+    }
+
+    /**
+     * Get the comments
+     *
+     * @return \Icinga\Module\Monitoring\DataView\Hostcomment
+     */
+    public function getComments()
+    {
+        return $this->backend
+            ->select()
+            ->from('servicecomment', array('host_name', 'service_description'))
+            ->applyFilter(clone $this->filter);
+    }
+
+    /**
+     * Get the scheduled downtimes
+     *
+     * @return \Icinga\Module\Monitoring\DataView\Servicedowntime
+     */
+    public function getScheduledDowntimes()
+    {
+        return $this->backend
+            ->select()
+            ->from('servicedowntime', array('host_name', 'service_description'))
+            ->applyFilter(clone $this->filter);
+    }
+
+    /**
+     * @return ObjectList
+     */
+    public function getUnacknowledgedObjects()
+    {
+        $unhandledObjects = array();
+        foreach ($this as $object) {
+            if (! in_array((int) $object->state, array(0, 99)) &&
+                  (bool) $object->service_acknowledged === false) {
+                $unhandledObjects[] = $object;
+            }
+        }
+        return $this->newFromArray($unhandledObjects);
+    }
+}