patrickpr / trapdirector

library/Trapdirector/Icinga2API.php

Indentation +246 added lines, -246 removed lines

@@ -10,281 +10,281 @@
 class Icinga2API extends IcingaApiBase
 {
     
-    /**
-     * Creates Icinga2API object
-     * 
-     * @param string $host host name or IP
-     * @param number $port API port
-     */
-    public function __construct($host, $port = 5665)
-    {
-        parent::__construct($host,$port);
-    }
-    /**
+	/**
+	 * Creates Icinga2API object
+	 * 
+	 * @param string $host host name or IP
+	 * @param number $port API port
+	 */
+	public function __construct($host, $port = 5665)
+	{
+		parent::__construct($host,$port);
+	}
+	/**
 
 /************ Host query ************/  
 
-    /**
-     * return array of host by filter
-     * @param string $hostfilter
-     * @throws Exception
-     * @return array objects : array('__name','name','display_name','id' (=__name), 'address', 'ip4' (=address), 'address6', 'ip6' (=address6)
-     */
-    public function getHostByFilter(string $hostfilter)
-    {
-        $hosts = $this->standardQuery(
-            'host',
-            $hostfilter,
-            //'match("*' . $ip . '*",host.address) || match("*' . $ip . '*",host.address6) || match("*' . $ip . '*",host.name) || match("*' . $ip . '*",host.display_name)',
-            array('__name','name','display_name','address','address6')
-            );
-        foreach ( array_keys($hosts) as $key )
-        {
-            $hosts[$key]->id = $hosts[$key]->__name;
-            $hosts[$key]->ip4 = $hosts[$key]->address;
-            $hosts[$key]->ip6 = $hosts[$key]->address6;
-        }
-        return $hosts;
-    }
+	/**
+	 * return array of host by filter
+	 * @param string $hostfilter
+	 * @throws Exception
+	 * @return array objects : array('__name','name','display_name','id' (=__name), 'address', 'ip4' (=address), 'address6', 'ip6' (=address6)
+	 */
+	public function getHostByFilter(string $hostfilter)
+	{
+		$hosts = $this->standardQuery(
+			'host',
+			$hostfilter,
+			//'match("*' . $ip . '*",host.address) || match("*' . $ip . '*",host.address6) || match("*' . $ip . '*",host.name) || match("*' . $ip . '*",host.display_name)',
+			array('__name','name','display_name','address','address6')
+			);
+		foreach ( array_keys($hosts) as $key )
+		{
+			$hosts[$key]->id = $hosts[$key]->__name;
+			$hosts[$key]->ip4 = $hosts[$key]->address;
+			$hosts[$key]->ip6 = $hosts[$key]->address6;
+		}
+		return $hosts;
+	}
     
-    /**
-     * return array of host by IP (4 or 6)
-     * @param string $ip
-     * @throws Exception
-     * @return array objects : array('__name','name','display_name')
-     */
-    public function getHostByIP(string $ip) 
-    {
-        return $this->getHostByFilter('match("*' . $ip . '*",host.address) || match("*' . $ip . '*",host.address6)');
-    }
+	/**
+	 * return array of host by IP (4 or 6)
+	 * @param string $ip
+	 * @throws Exception
+	 * @return array objects : array('__name','name','display_name')
+	 */
+	public function getHostByIP(string $ip) 
+	{
+		return $this->getHostByFilter('match("*' . $ip . '*",host.address) || match("*' . $ip . '*",host.address6)');
+	}
 
     
-    /**
-     * Get host(s) by name in API
-     * @param string $name
-     * @return array|NULL[] : see getHostByIP
-     */
-    public function getHostByName(string $name)
-    {
-        return $this->getHostByFilter('match("*' . $name . '*",host.name) || match("*' . $name . '*",host.display_name)');
-    }
+	/**
+	 * Get host(s) by name in API
+	 * @param string $name
+	 * @return array|NULL[] : see getHostByIP
+	 */
+	public function getHostByName(string $name)
+	{
+		return $this->getHostByFilter('match("*' . $name . '*",host.name) || match("*' . $name . '*",host.display_name)');
+	}
 
-    /**
-     * Get host(s) by name in API
-     * @param string $name
-     * @return array|NULL[] : see getHostByIP
-     */
-    public function getHostByNameOrIP(string $name)
-    {
-        return $this->getHostByFilter( 
-            'match("*' . $name . '*",host.name) || match("*' . $name . '*",host.display_name) || match("*' . $name . '*",host.address) || match("*' . $name . '*",host.address6)');
-    }
+	/**
+	 * Get host(s) by name in API
+	 * @param string $name
+	 * @return array|NULL[] : see getHostByIP
+	 */
+	public function getHostByNameOrIP(string $name)
+	{
+		return $this->getHostByFilter( 
+			'match("*' . $name . '*",host.name) || match("*' . $name . '*",host.display_name) || match("*' . $name . '*",host.address) || match("*' . $name . '*",host.address6)');
+	}
     
-    public function getHostInfoByID(string $name)
-    {
-        $host = $this->getHostByFilter(
-            'host.__name=="'. $name .'"');
-        if (isset($host[0]))
-            return $host[0];
-        else
-            return NULL;
-    }
+	public function getHostInfoByID(string $name)
+	{
+		$host = $this->getHostByFilter(
+			'host.__name=="'. $name .'"');
+		if (isset($host[0]))
+			return $host[0];
+		else
+			return NULL;
+	}
  
-    /**
-     * Get all host and IP from hostgroup
-     * @param string $hostGroup
-     * @throws Exception
-     * @return array : attributes : address, address6, name
-     */
-    public function getHostsIPByHostGroup($hostGroup)
-    {        
-        return $this->standardQuery(
-            'host', 
-            '"' . $hostGroup . '" in host.groups',
-            array('address','address6','name')
+	/**
+	 * Get all host and IP from hostgroup
+	 * @param string $hostGroup
+	 * @throws Exception
+	 * @return array : attributes : address, address6, name
+	 */
+	public function getHostsIPByHostGroup($hostGroup)
+	{        
+		return $this->standardQuery(
+			'host', 
+			'"' . $hostGroup . '" in host.groups',
+			array('address','address6','name')
                 
-        );
-    }
+		);
+	}
 
 
-    /** Get services from host in API
-     *	
-     *  @throws Exception
-     *	@param $id string host name
-     *  @param bool $active
-     *  @param bool $passive_svc
-     *	@return array display_name (of service), service_object_id
-     */
-    public function getServicesByHostid(string $id, bool $active = TRUE, bool $passive_svc = TRUE)
-    {
-        $filter = 'match("' . $id . '!*", service.__name)';
-        if ($active === TRUE)
-        {
-            $filter .= ' && service.active==true';
-        }
-        if ($passive_svc === TRUE)
-        {
-            $filter .= ' && service.enable_passive_checks==true';
-        }
-        $services =  $this->standardQuery(
-            'service',
-            $filter,
-            array('__name','name','display_name','active')
-            );
+	/** Get services from host in API
+	 *	
+	 *  @throws Exception
+	 *	@param $id string host name
+	 *  @param bool $active
+	 *  @param bool $passive_svc
+	 *	@return array display_name (of service), service_object_id
+	 */
+	public function getServicesByHostid(string $id, bool $active = TRUE, bool $passive_svc = TRUE)
+	{
+		$filter = 'match("' . $id . '!*", service.__name)';
+		if ($active === TRUE)
+		{
+			$filter .= ' && service.active==true';
+		}
+		if ($passive_svc === TRUE)
+		{
+			$filter .= ' && service.enable_passive_checks==true';
+		}
+		$services =  $this->standardQuery(
+			'service',
+			$filter,
+			array('__name','name','display_name','active')
+			);
         
-        foreach ( array_keys($services) as $key )
-        {
-            $services[$key]->id = $services[$key]->__name;
-        }
+		foreach ( array_keys($services) as $key )
+		{
+			$services[$key]->id = $services[$key]->__name;
+		}
         
-        return $services;
+		return $services;
         
-    }
+	}
 
 /************  Host group query ************/    
-    /**
-     * return array of host by IP (4 or 6) or name
-     * @param string $group Host group name
-     * @throws Exception
-     * @return array objects : array('name','display_name')
-     */
-    public function getHostsByGroup(string $group)
-    {
-         return $this->standardQuery(
-            'host',
-            '"' . $group . '" in host.groups',
-            array('name','display_name')
-            );
-    }
+	/**
+	 * return array of host by IP (4 or 6) or name
+	 * @param string $group Host group name
+	 * @throws Exception
+	 * @return array objects : array('name','display_name')
+	 */
+	public function getHostsByGroup(string $group)
+	{
+		 return $this->standardQuery(
+			'host',
+			'"' . $group . '" in host.groups',
+			array('name','display_name')
+			);
+	}
     
-    public function getServicesByHostGroupid(string $group)
-    {
-        $hostList = $this->getHostsByGroup($group);
-        //return $hostList;
-        $hostNum = count($hostList);
-        $serviceList=array();
-        foreach ($hostList as $curHost)
-        {
-            $services = $this->getServicesByHostid($curHost->name);
-            foreach ($services as $service)
-            {
-                //return $service;
-                if (! isset($serviceList[$service->name]))
-                {
-                    $serviceList[$service->name]=
-                        array('num'=> 1 ,'__name' => $service->__name,'display_name' => $service->display_name);
-                }
-                else
-                {
-                    $serviceList[$service->name]['num']++;
-                }
-            }
-        }
-        $commonServices=array();
-        foreach ($serviceList as $key => $values)
-        {
-            if ($values['num'] >= $hostNum)
-            {
-                array_push($commonServices,array($key,$values['display_name']));
-            }
-        }
-        return $commonServices;
-    }
+	public function getServicesByHostGroupid(string $group)
+	{
+		$hostList = $this->getHostsByGroup($group);
+		//return $hostList;
+		$hostNum = count($hostList);
+		$serviceList=array();
+		foreach ($hostList as $curHost)
+		{
+			$services = $this->getServicesByHostid($curHost->name);
+			foreach ($services as $service)
+			{
+				//return $service;
+				if (! isset($serviceList[$service->name]))
+				{
+					$serviceList[$service->name]=
+						array('num'=> 1 ,'__name' => $service->__name,'display_name' => $service->display_name);
+				}
+				else
+				{
+					$serviceList[$service->name]['num']++;
+				}
+			}
+		}
+		$commonServices=array();
+		foreach ($serviceList as $key => $values)
+		{
+			if ($values['num'] >= $hostNum)
+			{
+				array_push($commonServices,array($key,$values['display_name']));
+			}
+		}
+		return $commonServices;
+	}
  
-    /**
-     * Get all host and IP from hostgroup
-     * @param string $hostGroup
-     * @throws Exception
-     * @return array : attributes : address, address6, name
-     */
-    public function getHostGroupByName($name)
-    {
-        $hosts = $this->standardQuery(
-            'hostgroup',
-            'match("*' . $name . '*",hostgroup.name)',
-            array('__name','name','display_name')
+	/**
+	 * Get all host and IP from hostgroup
+	 * @param string $hostGroup
+	 * @throws Exception
+	 * @return array : attributes : address, address6, name
+	 */
+	public function getHostGroupByName($name)
+	{
+		$hosts = $this->standardQuery(
+			'hostgroup',
+			'match("*' . $name . '*",hostgroup.name)',
+			array('__name','name','display_name')
             
-            );
-        foreach ( array_keys($hosts) as $key )
-        {
-            $hosts[$key]->id = $hosts[$key]->__name;
-        }
-        return $hosts;
-    }
+			);
+		foreach ( array_keys($hosts) as $key )
+		{
+			$hosts[$key]->id = $hosts[$key]->__name;
+		}
+		return $hosts;
+	}
     
-    /**
-     * Get hostgroup by id (__name)
-     * @param string $hostGroup
-     * @throws Exception
-     * @return array : __name, name, display_name
-     */
-    public function getHostGroupById($name)
-    {
-        $hosts = $this->standardQuery(
-            'hostgroup',
-            'hostgroup.__name=="'. $name .'"',
-            array('__name','name','display_name')
+	/**
+	 * Get hostgroup by id (__name)
+	 * @param string $hostGroup
+	 * @throws Exception
+	 * @return array : __name, name, display_name
+	 */
+	public function getHostGroupById($name)
+	{
+		$hosts = $this->standardQuery(
+			'hostgroup',
+			'hostgroup.__name=="'. $name .'"',
+			array('__name','name','display_name')
             
-            );
-        $hosts[0]->id = $hosts[0]->__name;
-        return $hosts[0];
-    }
+			);
+		$hosts[0]->id = $hosts[0]->__name;
+		return $hosts[0];
+	}
     
 /****************   Service queries ************/
-    /** Get services object id by host name / service name
-     *	does not catch exceptions
-     *	@param $hostname string host name
-     *	@param $name string service name
-     *  @param bool $active : if true, return only active service
-     *  @param bool $passive_svc : if true, return only service accepting passive checks
-     *	@return array  service id
-     */
-    public function getServiceIDByName($hostname,$name,bool $active = TRUE, bool $passive_svc = TRUE)
-    {
-        $filter = 'service.__name=="' . $hostname . '!'. $name .'"';
-        if ($active === TRUE)
-        {
-            $filter .= ' && service.active==true';
-        }
-        if ($passive_svc === TRUE)
-        {
-            $filter .= ' && service.enable_passive_checks==true';
-        }
-        $services =  $this->standardQuery(
-            'service',
-            $filter,
-            array('__name','name','display_name','active','enable_passive_checks')
-            );
+	/** Get services object id by host name / service name
+	 *	does not catch exceptions
+	 *	@param $hostname string host name
+	 *	@param $name string service name
+	 *  @param bool $active : if true, return only active service
+	 *  @param bool $passive_svc : if true, return only service accepting passive checks
+	 *	@return array  service id
+	 */
+	public function getServiceIDByName($hostname,$name,bool $active = TRUE, bool $passive_svc = TRUE)
+	{
+		$filter = 'service.__name=="' . $hostname . '!'. $name .'"';
+		if ($active === TRUE)
+		{
+			$filter .= ' && service.active==true';
+		}
+		if ($passive_svc === TRUE)
+		{
+			$filter .= ' && service.enable_passive_checks==true';
+		}
+		$services =  $this->standardQuery(
+			'service',
+			$filter,
+			array('__name','name','display_name','active','enable_passive_checks')
+			);
         
-        foreach ( array_keys($services) as $key )
-        {
-            $services[$key]->id = $services[$key]->__name;
-        }
+		foreach ( array_keys($services) as $key )
+		{
+			$services[$key]->id = $services[$key]->__name;
+		}
         
-        return $services;
-    }
+		return $services;
+	}
  
-    /** Get services object by id (host!name)
-     *	does not catch exceptions
-     *	@param $name string service __name (host!name)
-     *	@return array  service id
-     */
-    public function getServiceById($name)
-    {
-        $filter = 'service.__name=="' .  $name .'"';
-        $services =  $this->standardQuery(
-            'service',
-            $filter,
-            array('__name','name','display_name','active','enable_passive_checks')
-            );
+	/** Get services object by id (host!name)
+	 *	does not catch exceptions
+	 *	@param $name string service __name (host!name)
+	 *	@return array  service id
+	 */
+	public function getServiceById($name)
+	{
+		$filter = 'service.__name=="' .  $name .'"';
+		$services =  $this->standardQuery(
+			'service',
+			$filter,
+			array('__name','name','display_name','active','enable_passive_checks')
+			);
         
-        foreach ( array_keys($services) as $key )
-        {
-            $services[$key]->id = $services[$key]->__name;
-        }
+		foreach ( array_keys($services) as $key )
+		{
+			$services[$key]->id = $services[$key]->__name;
+		}
         
-        return $services;
-    }
+		return $services;
+	}
     
     
 }

Spacing +53 added lines, -53 removed lines

@@ -16,9 +16,9 @@ 
      * @param string $host host name or IP
      * @param number $port API port
      */
-    public function __construct($host, $port = 5665)
+    public function __construct($host, $port=5665)
     {
-        parent::__construct($host,$port);
+        parent::__construct($host, $port);
     }
     /**
 
@@ -32,17 +32,17 @@ 
      */
     public function getHostByFilter(string $hostfilter)
     {
-        $hosts = $this->standardQuery(
+        $hosts=$this->standardQuery(
             'host',
             $hostfilter,
             //'match("*' . $ip . '*",host.address) || match("*' . $ip . '*",host.address6) || match("*' . $ip . '*",host.name) || match("*' . $ip . '*",host.display_name)',
-            array('__name','name','display_name','address','address6')
+            array('__name', 'name', 'display_name', 'address', 'address6')
             );
-        foreach ( array_keys($hosts) as $key )
+        foreach (array_keys($hosts) as $key)
         {
-            $hosts[$key]->id = $hosts[$key]->__name;
-            $hosts[$key]->ip4 = $hosts[$key]->address;
-            $hosts[$key]->ip6 = $hosts[$key]->address6;
+            $hosts[$key]->id=$hosts[$key]->__name;
+            $hosts[$key]->ip4=$hosts[$key]->address;
+            $hosts[$key]->ip6=$hosts[$key]->address6;
         }
         return $hosts;
     }
@@ -55,7 +55,7 @@ 
      */
     public function getHostByIP(string $ip) 
     {
-        return $this->getHostByFilter('match("*' . $ip . '*",host.address) || match("*' . $ip . '*",host.address6)');
+        return $this->getHostByFilter('match("*'.$ip.'*",host.address) || match("*'.$ip.'*",host.address6)');
     }
 
     
@@ -66,7 +66,7 @@ 
      */
     public function getHostByName(string $name)
     {
-        return $this->getHostByFilter('match("*' . $name . '*",host.name) || match("*' . $name . '*",host.display_name)');
+        return $this->getHostByFilter('match("*'.$name.'*",host.name) || match("*'.$name.'*",host.display_name)');
     }
 
     /**
@@ -77,13 +77,13 @@ 
     public function getHostByNameOrIP(string $name)
     {
         return $this->getHostByFilter( 
-            'match("*' . $name . '*",host.name) || match("*' . $name . '*",host.display_name) || match("*' . $name . '*",host.address) || match("*' . $name . '*",host.address6)');
+            'match("*'.$name.'*",host.name) || match("*'.$name.'*",host.display_name) || match("*'.$name.'*",host.address) || match("*'.$name.'*",host.address6)');
     }
     
     public function getHostInfoByID(string $name)
     {
-        $host = $this->getHostByFilter(
-            'host.__name=="'. $name .'"');
+        $host=$this->getHostByFilter(
+            'host.__name=="'.$name.'"');
         if (isset($host[0]))
             return $host[0];
         else
@@ -100,8 +100,8 @@ 
     {        
         return $this->standardQuery(
             'host', 
-            '"' . $hostGroup . '" in host.groups',
-            array('address','address6','name')
+            '"'.$hostGroup.'" in host.groups',
+            array('address', 'address6', 'name')
                 
         );
     }
@@ -115,26 +115,26 @@ 
      *  @param bool $passive_svc
      *	@return array display_name (of service), service_object_id
      */
-    public function getServicesByHostid(string $id, bool $active = TRUE, bool $passive_svc = TRUE)
+    public function getServicesByHostid(string $id, bool $active=TRUE, bool $passive_svc=TRUE)
     {
-        $filter = 'match("' . $id . '!*", service.__name)';
+        $filter='match("'.$id.'!*", service.__name)';
         if ($active === TRUE)
         {
-            $filter .= ' && service.active==true';
+            $filter.=' && service.active==true';
         }
         if ($passive_svc === TRUE)
         {
-            $filter .= ' && service.enable_passive_checks==true';
+            $filter.=' && service.enable_passive_checks==true';
         }
-        $services =  $this->standardQuery(
+        $services=$this->standardQuery(
             'service',
             $filter,
-            array('__name','name','display_name','active')
+            array('__name', 'name', 'display_name', 'active')
             );
         
-        foreach ( array_keys($services) as $key )
+        foreach (array_keys($services) as $key)
         {
-            $services[$key]->id = $services[$key]->__name;
+            $services[$key]->id=$services[$key]->__name;
         }
         
         return $services;
@@ -152,27 +152,27 @@ 
     {
          return $this->standardQuery(
             'host',
-            '"' . $group . '" in host.groups',
-            array('name','display_name')
+            '"'.$group.'" in host.groups',
+            array('name', 'display_name')
             );
     }
     
     public function getServicesByHostGroupid(string $group)
     {
-        $hostList = $this->getHostsByGroup($group);
+        $hostList=$this->getHostsByGroup($group);
         //return $hostList;
-        $hostNum = count($hostList);
+        $hostNum=count($hostList);
         $serviceList=array();
         foreach ($hostList as $curHost)
         {
-            $services = $this->getServicesByHostid($curHost->name);
+            $services=$this->getServicesByHostid($curHost->name);
             foreach ($services as $service)
             {
                 //return $service;
-                if (! isset($serviceList[$service->name]))
+                if (!isset($serviceList[$service->name]))
                 {
                     $serviceList[$service->name]=
-                        array('num'=> 1 ,'__name' => $service->__name,'display_name' => $service->display_name);
+                        array('num'=> 1, '__name' => $service->__name, 'display_name' => $service->display_name);
                 }
                 else
                 {
@@ -185,7 +185,7 @@ 
         {
             if ($values['num'] >= $hostNum)
             {
-                array_push($commonServices,array($key,$values['display_name']));
+                array_push($commonServices, array($key, $values['display_name']));
             }
         }
         return $commonServices;
@@ -199,15 +199,15 @@ 
      */
     public function getHostGroupByName($name)
     {
-        $hosts = $this->standardQuery(
+        $hosts=$this->standardQuery(
             'hostgroup',
-            'match("*' . $name . '*",hostgroup.name)',
-            array('__name','name','display_name')
+            'match("*'.$name.'*",hostgroup.name)',
+            array('__name', 'name', 'display_name')
             
             );
-        foreach ( array_keys($hosts) as $key )
+        foreach (array_keys($hosts) as $key)
         {
-            $hosts[$key]->id = $hosts[$key]->__name;
+            $hosts[$key]->id=$hosts[$key]->__name;
         }
         return $hosts;
     }
@@ -220,13 +220,13 @@ 
      */
     public function getHostGroupById($name)
     {
-        $hosts = $this->standardQuery(
+        $hosts=$this->standardQuery(
             'hostgroup',
-            'hostgroup.__name=="'. $name .'"',
-            array('__name','name','display_name')
+            'hostgroup.__name=="'.$name.'"',
+            array('__name', 'name', 'display_name')
             
             );
-        $hosts[0]->id = $hosts[0]->__name;
+        $hosts[0]->id=$hosts[0]->__name;
         return $hosts[0];
     }
     
@@ -239,26 +239,26 @@ 
      *  @param bool $passive_svc : if true, return only service accepting passive checks
      *	@return array  service id
      */
-    public function getServiceIDByName($hostname,$name,bool $active = TRUE, bool $passive_svc = TRUE)
+    public function getServiceIDByName($hostname, $name, bool $active=TRUE, bool $passive_svc=TRUE)
     {
-        $filter = 'service.__name=="' . $hostname . '!'. $name .'"';
+        $filter='service.__name=="'.$hostname.'!'.$name.'"';
         if ($active === TRUE)
         {
-            $filter .= ' && service.active==true';
+            $filter.=' && service.active==true';
         }
         if ($passive_svc === TRUE)
         {
-            $filter .= ' && service.enable_passive_checks==true';
+            $filter.=' && service.enable_passive_checks==true';
         }
-        $services =  $this->standardQuery(
+        $services=$this->standardQuery(
             'service',
             $filter,
-            array('__name','name','display_name','active','enable_passive_checks')
+            array('__name', 'name', 'display_name', 'active', 'enable_passive_checks')
             );
         
-        foreach ( array_keys($services) as $key )
+        foreach (array_keys($services) as $key)
         {
-            $services[$key]->id = $services[$key]->__name;
+            $services[$key]->id=$services[$key]->__name;
         }
         
         return $services;
@@ -271,16 +271,16 @@ 
      */
     public function getServiceById($name)
     {
-        $filter = 'service.__name=="' .  $name .'"';
-        $services =  $this->standardQuery(
+        $filter='service.__name=="'.$name.'"';
+        $services=$this->standardQuery(
             'service',
             $filter,
-            array('__name','name','display_name','active','enable_passive_checks')
+            array('__name', 'name', 'display_name', 'active', 'enable_passive_checks')
             );
         
-        foreach ( array_keys($services) as $key )
+        foreach (array_keys($services) as $key)
         {
-            $services[$key]->id = $services[$key]->__name;
+            $services[$key]->id=$services[$key]->__name;
         }
         
         return $services;

Braces +6 added lines, -6 removed lines

@@ -84,10 +84,11 @@ 
     {
         $host = $this->getHostByFilter(
             'host.__name=="'. $name .'"');
-        if (isset($host[0]))
-            return $host[0];
-        else
-            return NULL;
+        if (isset($host[0])) {
+                    return $host[0];
+        } else {
+                    return NULL;
+        }
     }
  
     /**
@@ -173,8 +174,7 @@ 
                 {
                     $serviceList[$service->name]=
                         array('num'=> 1 ,'__name' => $service->__name,'display_name' => $service->display_name);
-                }
-                else
+                } else
                 {
                     $serviceList[$service->name]['num']++;
                 }