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// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// include\mmf\common\mmfipc.h
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// Thin interface layer to use either V1 or V2 IPC calls as appropriate
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//
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//
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#ifndef __MMF_COMMON_MMFIPC_SERVER_H__
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#define __MMF_COMMON_MMFIPC_SERVER_H__
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#include <e32base.h>
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#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
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#include <mmf/common/mmfipc.h>
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#endif
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// The following declarations are used instead of the native ones on the particular system variant:
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// RMmfIpcMessage replaces RMessage or RMessage2
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// CMmfIpcServer replaces CServer or CServer2
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// CMmfIpcSession replaces CSharableSession or CSession2
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// They are used internally to the MMF component to provide configurability for the particular subsystem
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#ifdef __MMF_USE_IPC_V2__
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//typedef RMessage2 RMmfIpcMessage;
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class CMmfIpcServer; // forward declaration
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/**
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* derive CMmfIpcSession from CSession2 so we can bridge the differences to old CSharableSession
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*
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* @internalTechnology
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*/
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class CMmfIpcSession : public CSession2
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{
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protected:
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virtual void CreateL(const CMmfIpcServer& aServer);
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CMmfIpcSession() {}
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// from CSession2
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void CreateL();
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};
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/*
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* derive CMmfIpcServer from CServer2 so we can bridge difference to old CServer
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*
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* @internalTechnology
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*/
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class CMmfIpcServer : public CServer2
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{
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protected:
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virtual CMmfIpcSession* NewSessionL(const TVersion& aVersion) const=0;
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CMmfIpcServer(TInt aPriority,TServerType aType=EUnsharableSessions);
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private:
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// derived from CServer2
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CSession2* NewSessionL(const TVersion& aVersion,const RMessage2& aMessage) const;
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};
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#else // __MMF_USE_IPC_V2__
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// otherwise always use V1
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//typedef RMessage RMmfIpcMessage;
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typedef CServer CMmfIpcServer;
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typedef CSharableSession CMmfIpcSession;
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#endif // __MMF_USE_IPC_V2__
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#if defined(__VC32__)
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#pragma warning( disable : 4097 ) // typedef-name used as synonym for class-name
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#endif
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/**
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* Adapt RMessage calls between IPC variants
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*
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* @internalTechnology
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*/
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class MmfMessageUtil
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{
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public:
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static TInt Read(const RMmfIpcMessage& aMessage, TInt aParam, TDes8& aResult);
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static TInt Write(const RMmfIpcMessage& aMessage, TInt aParam, const TDesC8& aValue);
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static void ReadL(const RMmfIpcMessage& aMessage, TInt aParam, TDes8& aResult);
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static void WriteL(const RMmfIpcMessage& aMessage, TInt aParam, const TDesC8& aValue);
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};
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#include <mmf/common/mmfipcserver.inl>
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#endif // __MMF_COMMON_MMFIPC_SERVER_H__
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