--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnp/upnpstack/messagehandler/inc/upnpipfilteringdnsquery.h	Tue Feb 02 01:12:20 2010 +0200
@@ -0,0 +1,133 @@
+/** @file
+* Copyright (c) 2008-2008 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies  this distribution, and is available 
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  
+*
+*/
+
+
+#ifndef C_CUPNPIPFILTERINGDNSQUERY_H
+#define C_CUPNPIPFILTERINGDNSQUERY_H
+
+#include <e32cmn.h>
+#include <in_sock.h>
+#include <ES_SOCK.H>
+
+#include "upnpipfiltering.h"
+
+ /**
+ *  Encapsulates DNS query
+ *
+ *  @since S60 v3.2
+ */
+class CUpnpIPFilteringDNSQuery : public CActive
+    {
+
+private:
+
+    enum TActionType
+        {
+        EAddAddress,
+        ERemoveAddress,
+        };
+
+public:
+    /**
+    * Two-phased constructor.
+    * @param aMessage a messagy which will ber cmpleted when queris resoves name
+    * @param aRemoteName a name to be resolved by DNS server
+    */
+    static CUpnpIPFilteringDNSQuery* NewL( const RMessage2& aMessage, 
+                                           const TDesC8& aRemoteName );
+     
+    /**
+    * Two-phased constructor.
+    * @param aMessage a messagy which will ber cmpleted when queris resoves name
+    * @param aRemoteName a name to be resolved by DNS server
+    */
+    static CUpnpIPFilteringDNSQuery* NewLC( const RMessage2& aMessage, 
+                                            const TDesC8& aRemoteName );
+
+    /**
+    * Destructor.
+    */
+    virtual ~CUpnpIPFilteringDNSQuery();
+    
+    /**
+    * Marks current query as addAddress
+    */    
+    void AddAddress( );
+    
+    /**
+    * Marks current query as removeAddress
+    */    
+    void RemoveAddress( );
+    
+    /**
+    * Starts to process current query
+    * @param 
+    * @param aConnection an network interface which will be used during queries
+    * @param aListOwner here we store results of queries
+    */    
+    void StartDNSQuery( RSocketServ& aSockServ, RConnection& aConnection , 
+                        CUpnpIPFiltering* aListOwner ); 
+    
+public://from CActive
+     
+    /**
+    * Completes with query result
+    */
+    void RunL();    
+    
+    /**
+    * Handels leaves from RunL method
+    */
+    TInt RunError( TInt aError );
+   
+    
+private:
+    /**
+    * Constructor
+    */
+    CUpnpIPFilteringDNSQuery( const RMessage2& aMessage );
+
+    /**
+    * Two-phased constructor.
+    */
+    void ConstructL( const TDesC8& aRemoteName );
+    
+    void RequestCompleted( TInt aStatus );
+    
+    /**
+    * Evaluates query result
+    */
+    TInt Status( TInt aStatus );
+    
+private://from CActive
+    
+    void DoCancel();
+
+private: 
+
+    RHostResolver iHostResolver;        //owned
+    TActionType iAction;
+    RBuf iRemoteName;                   //owned
+    TNameEntry iAddrDetails;
+    
+    TInt iDNSStatus;
+    const RMessage2 iMessage;           //not owned
+    
+    CUpnpIPFiltering* iIPListOwner;     //not owned
+    };
+
+#endif // C_CUPNPIPFILTERINGDNSQUERY_H