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/*
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* Copyright (c) 2008-2009 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 the License "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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* Library to add s32strm support for IPC (ie. stream via multiple IPC read/writes instead of
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* copying to a buffer and streaming to/from there.
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*
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*/
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/**
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@file
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@internalTechnology
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@released
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*/
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#ifndef IPCSTREAM_INL
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#define IPCSTREAM_INL
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#include <scs/ipcstream.h>
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#include <scs/streamingarray.h>
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inline void WriteIntValueL(const RMessage2& aMessage, TInt aParam, TInt aValue)
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{
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TPckg<TInt> valuePak(aValue);
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aMessage.WriteL(aParam, valuePak);
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}
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template <class T>
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void WriteArraySizeL(const RMessage2& aMessage, TInt aParam, RPointerArray<T>& aArray)
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{
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TInt arraySize(0);
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// If the array is not empty, calculate and return the required buffer size to externalize it.
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// Otherwise, return zero.
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if(aArray.Count())
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{
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arraySize = ExternalizedBufferSizeL(aArray);
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}
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WriteIntValueL(aMessage, aParam, arraySize);
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}
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template <class T>
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void WriteArraySizeL(const RMessage2& aMessage, TInt aParam, RArray<T>& aArray)
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{
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TInt arraySize(0); // if the array is empty, then zero length is returned
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if(aArray.Count())
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{
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arraySize = ExternalizedBufferSizeL(aArray);
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}
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WriteIntValueL(aMessage, aParam, arraySize);
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}
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template <class T>
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void WriteObjectSizeL(const RMessage2& aMessage, TInt aParam, const T* aObject)
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{
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// Calculate that how much buffer is needed to externalize the object
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TInt entrySize(0);
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if(aObject)
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{
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entrySize = GetObjectBufferSizeL(*aObject);
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}
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WriteIntValueL(aMessage, aParam, entrySize);
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}
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template <class T>
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void WriteArrayDataL(const RMessage2& aMessage, TInt aParam, RPointerArray<T>& aArray)
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{
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if(!aArray.Count())
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{
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User::Leave(KErrAbort);
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}
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RIpcWriteStream ipcstream;
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ipcstream.Open(aMessage, aParam);
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CleanupClosePushL(ipcstream);
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ExternalizePointersArrayL(aArray, ipcstream);
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CleanupStack::PopAndDestroy(&ipcstream); // Data is committed in Close method
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aArray.ResetAndDestroy(); // Reset the array to prevent it to be resent mistakenly.
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}
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template <class T>
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void WriteArrayDataL(const RMessage2& aMessage, TInt aParam, RArray<T>& aArray)
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{
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if(!aArray.Count())
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{
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User::Leave(KErrAbort);
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}
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RIpcWriteStream ipcstream;
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ipcstream.Open(aMessage, aParam);
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CleanupClosePushL(ipcstream);
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ExternalizeFixedLengthArrayL(aArray, ipcstream);
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CleanupStack::PopAndDestroy(&ipcstream); // Data is committed in Close method
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aArray.Reset(); // Reset the array to prevent it to be resent mistakenly.
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}
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template <class T>
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void WriteObjectDataL(const RMessage2& aMessage, TInt aParam, const T* aObject)
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{
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if(!aObject)
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{
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User::Leave(KErrAbort);
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}
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RIpcWriteStream ipcstream;
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ipcstream.Open(aMessage, aParam);
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CleanupClosePushL(ipcstream);
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ipcstream << *aObject;
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CleanupStack::PopAndDestroy(&ipcstream); // Data is committed in Close method
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}
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template <class T>
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T* ReadObjectFromMessageLC(const RMessage2& aMessage, TInt aSlot)
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{
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RIpcReadStream stream;
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CleanupClosePushL(stream);
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stream.Open(aMessage, aSlot);
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T *object = T::NewL(stream);
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CleanupStack::PopAndDestroy(&stream);
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CleanupStack::PushL(object);
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return object;
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}
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#endif /* IPCSTREAM_INL */
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