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/*
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* Copyright (c) 2005 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: Global services for LBT server
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*
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*/
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#ifndef LBTGLOBAL_H
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#define LBTGLOBAL_H
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// INCLUDES
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#include <e32std.h>
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// CLASS DECLARATION
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/**
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* Global functions for the server
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*
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*/
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class LbtGlobal
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{
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public:
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/**
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* Writes to the message and panics the client if any error
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* If the returned error code is negative, the RMessage must
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* not be completed.
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*
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* @param aMessage Message instance
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* @param aPtr Pointer to write to
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* @param aDes Descriptor to write from
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* @param aOffset offset to start write
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* @return Error code
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*/
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static TInt Write(
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/* IN */ const RMessage2& aMessage,
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/* IN */ const TInt aParam,
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/* IN */ const TDesC8& aDes,
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/* IN */ TInt aOffset=0
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);
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/**
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* Read and kill the client if it leaves. If the returned error code
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* is negative, the RMessage must not be completed. Complete after
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* client is paniced crashes the server with USER 70.
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*
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* @param aMessage Message instance
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* @param aPtr Pointer to read from
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* @param aDes Descriptor to read to
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* @param aOffset offset to start read
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* @return Error code
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*/
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static TInt Read(
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/* IN */ const RMessage2& aMessage,
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/* IN */ const TInt aParam,
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/* OUT */ TDes8& aDes,
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/* IN */ TInt aOffset=0
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);
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/**
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* Copies an 8-bit buffer from the address space of the client and puts
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* the result in the returned argument. If the method leaves it the
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* client may have been paniced and in that case it is forbidden to
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* complete the RMessage. If a client is paniced can be verified by the
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* call chain:
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* aMessage.Client().ExitType()
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*
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* @param aMessage the message from the client.
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* @param aClientBuffer a pointer to an 8-bit descriptor located in the
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* address space of the client.
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* @return a copy of the client buffer.
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*/
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static HBufC8* CopyClientBuffer8LC(
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/* IN */ const RMessage2& aMessage,
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/* IN */ const TInt aClientBufferParam
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);
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static void RequestComplete(
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/* IN */ const RMessage2& aMessage,
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/* IN */ const TInt aError
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);
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};
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#endif // LBTGLOBAL_H
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// end of file
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