williamr@2: // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: // All rights reserved.
williamr@2: // This component and the accompanying materials are made available
williamr@2: // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
williamr@2: // which accompanies this distribution, and is available
williamr@2: // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
williamr@2: //
williamr@2: // Initial Contributors:
williamr@2: // Nokia Corporation - initial contribution.
williamr@2: //
williamr@2: // Contributors:
williamr@2: //
williamr@2: // Description:
williamr@2: //
williamr@2: 
williamr@2: 
williamr@2: 
williamr@2: /**
williamr@2:  @file
williamr@2:  @internalTechnology
williamr@2:  @released
williamr@2: */
williamr@2: 
williamr@2: #ifndef CS_API_EXT_H
williamr@2: #define CS_API_EXT_H
williamr@2: 
williamr@2: #include <es_sock.h>
williamr@2: #include <comms-infras/api_ext_list.h>
williamr@2: #include <comms-infras/trbuf.h>
williamr@2: 
williamr@2: class CCommsApiExtReqMsg;
williamr@2: class CCommsApiExtRespMsg;
williamr@2: 
williamr@2: class RCommsApiExtensionBase
williamr@2: /**
williamr@2: Base class for Comms API extensions.
williamr@2: 
williamr@2: @internalTechnology
williamr@2: @released
williamr@2: */
williamr@2: 	{
williamr@2: protected:
williamr@2: 	IMPORT_C explicit RCommsApiExtensionBase();
williamr@2: 	IMPORT_C TInt Open(RCommsSubSession& aExtensionProvider, TSupportedCommsApiExt aInterfaceId);
williamr@2: 	IMPORT_C void Close();
williamr@2: 	IMPORT_C void SendRequest(CCommsApiExtReqMsg& aRequestMsg, TDes8& aResponseBuf, TRequestStatus& aStatus);
williamr@2: 	IMPORT_C void SendMessage(CCommsApiExtReqMsg& aRequestMsg);
williamr@2: 
williamr@2: protected:
williamr@2: 	RCommsSubSession iSubSession;
williamr@2: 	TSupportedCommsApiExt iInterfaceId;
williamr@2: 
williamr@2: private:
williamr@2: 	RPointerArray<Elements::TRBuf8> iBuffers;
williamr@2: 	};
williamr@2: 
williamr@2: template<TSupportedCommsApiExt T>
williamr@2: class RCommsApiExtension : public RCommsApiExtensionBase
williamr@2: /**
williamr@2: Comms API extensions template. New extension APIs may derive from this template.
williamr@2: 
williamr@2: @internalTechnology
williamr@2: @released
williamr@2: */
williamr@2: 	{
williamr@2: public:
williamr@2: 	inline TInt Open(RCommsSubSession& aExtensionProvider);
williamr@2: 	};
williamr@2: 
williamr@2: template<TSupportedCommsApiExt T>
williamr@2: TInt RCommsApiExtension<T>::Open(RCommsSubSession& aExtensionProvider)
williamr@2: 	{
williamr@2: 	return RCommsApiExtensionBase::Open(aExtensionProvider,T);
williamr@2: 	}
williamr@2: 
williamr@2: #endif // CS_API_EXT_H