sl@0: // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test\debug\d_logtofile.h
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef __D_LOGTOFILE_H__
sl@0: #define __D_LOGTOFILE_H__
sl@0: 
sl@0: #include <e32cmn.h>
sl@0: #ifndef __KERNEL_MODE__
sl@0: #include <e32std.h>
sl@0: #endif
sl@0: 
sl@0: /**
sl@0: Data structure for CreateChunk call to ldd
sl@0: */
sl@0: struct TChunkCreateStr
sl@0: {
sl@0: TInt iSize;			/**The size of the chunk to be created*/
sl@0: TBuf8<10> iPattern; /**The matching pattern*/
sl@0: };
sl@0: 
sl@0: /**
sl@0: The user side class for controlling trace handler hook.
sl@0: */
sl@0: class RLogToFileDevice : public RBusLogicalChannel
sl@0: 	{
sl@0: public:
sl@0: 	enum TControl
sl@0: 		{
sl@0: 		EControlCreateChunk,
sl@0: 		EControlStart,
sl@0: 		EControlStop,
sl@0: 		EControlRemoveChunk,
sl@0: 		};
sl@0: public:
sl@0: #ifndef __KERNEL_MODE__
sl@0: 	
sl@0: 	inline TInt Open(); 
sl@0: 	inline TInt CreateChunk(TChunkCreateStr* aStr);
sl@0: 	inline void Start();
sl@0: 	inline TInt Stop();
sl@0: 	inline void RemoveChunk();
sl@0: #endif //__KERNEL_MODE__
sl@0: 	};
sl@0: 
sl@0: _LIT(KLogToFileName,"d_logtofile");
sl@0: 
sl@0: #ifndef __KERNEL_MODE__
sl@0: /** Opens a channel*/
sl@0: inline TInt RLogToFileDevice::Open()
sl@0: 	{return DoCreate(KLogToFileName,TVersion(1,0,0),KNullUnit,NULL,NULL);}
sl@0: /**Creates a chunk. Returns user side handle*/
sl@0: inline TInt RLogToFileDevice::CreateChunk(TChunkCreateStr* aStr)
sl@0: 	{return DoControl(EControlCreateChunk, reinterpret_cast<TAny*>(aStr));}
sl@0: /**Starts logging into the chunk*/
sl@0: inline void RLogToFileDevice::Start()
sl@0: 	{DoControl(EControlStart);}
sl@0: /**Stops logging into the chunk. Returns the size of the log.*/
sl@0: inline TInt RLogToFileDevice::Stop()
sl@0: 	{return DoControl(EControlStop);}
sl@0: /*Destroys the chunk*/
sl@0: inline void RLogToFileDevice::RemoveChunk()
sl@0: 	{DoControl(EControlRemoveChunk);}
sl@0: #endif //__KERNEL_MODE__
sl@0: #endif //__D_LOGTOFILE_H__