--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hti/HtiServicePlugins/HtiIpProxyServicePlugin/IPProxyEngine/Src/CProtocolUDP.h	Wed Oct 13 16:17:58 2010 +0300
@@ -0,0 +1,104 @@
+/*
+* Copyright (c) 2009 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:  UDP protocol implementation for IP proxy
+*
+*/
+
+
+
+#ifndef CPROTOCOLUDP_H
+#define CPROTOCOLUDP_H
+
+//  INCLUDES
+#include "MBPProtocol.h"
+#include "MBPExpression.h"
+#include "MExpressionObserverUDP.h"
+
+#include <e32base.h>
+
+
+// FORWARD DECLARATIONS
+class MProtocolObserverUDP;
+class MSocketWriter;
+
+// CLASS DECLARATION
+
+/**
+* UDP protocol implementation. Writes and interpretes data in
+* protocol frame.
+*/
+NONSHARABLE_CLASS( CProtocolUDP ) : public CBase, public MBPProtocol,
+                                    public MExpressionObserver
+    {
+
+    public:  // Constructors and destructor
+
+        /**
+        * Factory function.
+        * @param aObserver Pointer to observer.
+        * @return New CProtocol instance.
+        */
+        static CProtocolUDP* NewL( MProtocolObserverUDP* aObserver );
+
+        /**
+        * Factory function.
+        * @param aObserver Pointer to observer.
+        * @return New CProtocol instance.
+        */
+        static CProtocolUDP* NewLC( MProtocolObserverUDP* aObserver );
+
+        /**
+        * Destructor.
+        */
+        ~CProtocolUDP();
+
+    public: // From MExpressionObserverUDP
+
+        void FrameStarted();
+        void FrameParsedL( TUint aPort, const TDesC8& aData );
+        void ProtocolErrorL( TInt aErrorCode, const TDesC8& aReceivedData );
+
+    public: // From MBPProtocol
+
+        void WriteFrameL( MSocketWriter& aSocketWriter,
+            TUint aPeerPort, TUint aOriginalPort, const TDesC8& aData ) const;
+
+        TBool HandleReceivedDataL( TDes8& aData, TInt& aStartPos, TInt& aLength );
+
+    protected:
+
+        /**
+        * Default constructor.
+        * @param aObserver Pointer to observer.
+        */
+        CProtocolUDP( MProtocolObserverUDP* aObserver );
+
+        /**
+        * 2nd phase constructor.
+        */
+        void ConstructL();
+
+
+    private:    // Owned data
+
+        CArrayPtr<MBPExpression>* iExpressionArray;
+
+    private:    // Not owned data
+        MProtocolObserverUDP* iObserver;
+
+    };
+
+#endif      // CPROTOCOLUDP_H
+
+// End of File