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// Copyright (c) 2005-2009 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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// e32test\debug\d_logtofile.h
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//
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//
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#ifndef __D_LOGTOFILE_H__
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#define __D_LOGTOFILE_H__
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#include <e32cmn.h>
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#ifndef __KERNEL_MODE__
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#include <e32std.h>
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#endif
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/**
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Data structure for CreateChunk call to ldd
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*/
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struct TChunkCreateStr
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{
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TInt iSize; /**The size of the chunk to be created*/
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TBuf8<10> iPattern; /**The matching pattern*/
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};
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/**
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The user side class for controlling trace handler hook.
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*/
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class RLogToFileDevice : public RBusLogicalChannel
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{
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public:
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enum TControl
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{
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EControlCreateChunk,
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EControlStart,
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EControlStop,
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EControlRemoveChunk,
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};
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public:
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#ifndef __KERNEL_MODE__
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inline TInt Open();
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inline TInt CreateChunk(TChunkCreateStr* aStr);
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inline void Start();
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inline TInt Stop();
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inline void RemoveChunk();
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#endif //__KERNEL_MODE__
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};
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_LIT(KLogToFileName,"d_logtofile");
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#ifndef __KERNEL_MODE__
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/** Opens a channel*/
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inline TInt RLogToFileDevice::Open()
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{return DoCreate(KLogToFileName,TVersion(1,0,0),KNullUnit,NULL,NULL);}
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/**Creates a chunk. Returns user side handle*/
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inline TInt RLogToFileDevice::CreateChunk(TChunkCreateStr* aStr)
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{return DoControl(EControlCreateChunk, reinterpret_cast<TAny*>(aStr));}
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/**Starts logging into the chunk*/
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inline void RLogToFileDevice::Start()
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{DoControl(EControlStart);}
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/**Stops logging into the chunk. Returns the size of the log.*/
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inline TInt RLogToFileDevice::Stop()
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{return DoControl(EControlStop);}
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/*Destroys the chunk*/
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inline void RLogToFileDevice::RemoveChunk()
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{DoControl(EControlRemoveChunk);}
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#endif //__KERNEL_MODE__
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#endif //__D_LOGTOFILE_H__
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