--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwunsaf_protocols/unsaf_codec/inc/natfwunsafchangerequestattribute.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,120 @@
+/*
+* Copyright (c) 2006-2007 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 CNATFWUNSAFCHANGEREQUESTATTRIBUTE_H
+#define CNATFWUNSAFCHANGEREQUESTATTRIBUTE_H
+
+// INCLUDES
+#include "natfwunsafattribute.h"
+
+// FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+/**
+ * Class for NATFWUNSAF CHANGE-REQUEST attribute.
+ */
+class CNATFWUNSAFChangeRequestAttribute : public CNATFWUNSAFAttribute
+    {
+    public: // Constructors and destructor
+        /**
+        * Creates a new instance of CNATFWUNSAFChangeRequestAttribute
+        * @param aChangeIP Change IP flag
+        * @param aChangePort Change port flag
+        * @return A new instance of CNATFWUNSAFChangeRequestAttribute
+        *          ownership is transferred.
+        */
+        static CNATFWUNSAFChangeRequestAttribute*
+            NewL(TBool aChangeIP, TBool aChangePort);
+
+        /**
+        * Creates a new instance of CNATFWUNSAFChangeRequestAttribute and
+        * pushes it to the CleanupStack.
+        * @param aChangeIP Change IP flag
+        * @param aChangePort Change port flag
+        * @return A new instance of CNATFWUNSAFChangeRequestAttribute,
+        *          ownership is transferred.
+        */
+        static CNATFWUNSAFChangeRequestAttribute*
+            NewLC(TBool aChangeIP, TBool aChangePort);
+
+        /**
+        * Decodes a UNSAF attribute from a byte stream.
+        * This version is for lookup table.
+        * @param aByteStream Byte stream, containing attribute type, length and
+        *    value.
+        * @return Decoded UNSAF attribute, ownership is transferred.
+        */
+        static CNATFWUNSAFAttribute* DecodeAttributeL(
+            const TDesC8& aByteStream);
+
+        /**
+        * Destructor, deletes the resources of
+        * CNATFWUNSAFChangeRequestAttribute.
+        */
+        ~CNATFWUNSAFChangeRequestAttribute();
+
+    public: // From CNATFWUNSAFAttribute
+
+        CNATFWUNSAFAttribute::TType Type() const;
+
+        HBufC8* EncodeValueL() const;
+
+    public: // New functions
+
+        /**
+        * Returns the change IP flag.
+        * @return Flag value
+        */
+        TBool ChangeIP() const;
+
+        /**
+        * Returns the change port flag.
+        * @return Flag value
+        */
+        TBool ChangePort() const;
+
+    private:
+
+        enum TEncodedValue
+            {
+            //Bit masks for obtaining the flag bits
+            EChangeIPMask = 0x4,
+            EChangePortMask = 0x2,
+            //Size in bytes of the attribute value
+            EAttributeValueSize = 4
+            };
+
+    private: // Constructors
+
+        CNATFWUNSAFChangeRequestAttribute(TBool aChangeIP, TBool aChangePort);
+
+    private: // Data
+
+        TBool iChangeIP;
+        TBool iChangePort;
+
+    private: // For testing purposes
+
+        __DECLARE_TEST;
+    };
+
+#endif // CNATFWUNSAFCHANGEREQUESTATTRIBUTE_H
+
+