sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @publishedPartner
sl@0:  @released
sl@0: */
sl@0: 
sl@0: #ifndef PROTECTEDSTREAMDESC_H
sl@0: #define PROTECTEDSTREAMDESC_H
sl@0: 
sl@0: #include <e32base.h>
sl@0: 
sl@0: // Should be removed if and when direct TInetAddr usage is removed.
sl@0: #include <in_sock.h>
sl@0: 
sl@0: class TInetAddr;
sl@0: 
sl@0: class RSubConnection;
sl@0: 
sl@0: namespace StreamAccess
sl@0: 	{
sl@0: 
sl@0: 	class CKeyStreamSink;
sl@0: 	/**
sl@0: 	Represents parameters for the protected stream. Specific subclasses of this interface are used to define parameters relevant to
sl@0: 	the protection layer. 
sl@0: 	Instances of this interface are created by the clients of the consumer interface before calling CKeyStreamDecoder::NewL
sl@0: 	*/
sl@0: 	class CProtectedStreamDesc : public CBase
sl@0: 		{
sl@0: 	public:
sl@0: 		/**
sl@0:  		Instantiates the correct implementation of key stream sink. Should be used for creating the binding between
sl@0: 		the short-term key stream that delivers the decryption keys for the traffic and the protocol which protects the
sl@0: 		traffic itself, e.g. IPSec, ISMACryp	
sl@0: 		*/
sl@0: 		virtual CKeyStreamSink* CreateKeyStreamSinkLC() const = 0;
sl@0: 		virtual ~CProtectedStreamDesc() {}
sl@0: 		};
sl@0: 
sl@0: 	/**
sl@0: 	Represents a media stream protected by IPSec. 
sl@0: 	@see StreamAccess::CProtectedStreamDesc
sl@0: 	*/
sl@0: 	NONSHARABLE_CLASS(CIpSecProtectedStreamDesc) : public CProtectedStreamDesc
sl@0: 		{
sl@0: 	public:		
sl@0: 		/**
sl@0: 		Create a description of media stream protected by IPSec. 
sl@0: 		
sl@0: 		@param aSourceAddr Source connection address.
sl@0: 		@param aTargetAddr Target connection address.
sl@0: 		@return New CIpSecProtectedStreamDesc instance		
sl@0: 		
sl@0: 		*/
sl@0: 		IMPORT_C static CIpSecProtectedStreamDesc* NewLC(const TInetAddr& aSourceAddr, const TInetAddr& aTargetAddr);
sl@0: 			
sl@0: 		/**
sl@0: 		@see CProtectedStreamDesc::CreateKeyStreamSinkLC()
sl@0: 		*/		
sl@0: 		IMPORT_C CKeyStreamSink* CreateKeyStreamSinkLC() const;		
sl@0: 		
sl@0: 		//Destructor
sl@0: 		~CIpSecProtectedStreamDesc();
sl@0: 		
sl@0: 	private:
sl@0: 		CIpSecProtectedStreamDesc(const TInetAddr& aSourceAddr, const TInetAddr& aTargetAddr);
sl@0: 		
sl@0: 	private:	
sl@0: 		TInetAddr iSourceAddr;
sl@0: 		TInetAddr iTargetAddr;
sl@0: 		
sl@0: 		};
sl@0: 	} // namespace StreamAccess
sl@0: #endif // PROTECTEDSTREAMDESC_H
sl@0: