1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32test\debug\d_logtofile.h

    15 // 

    16 //

    17 

    18 #ifndef __D_LOGTOFILE_H__

    19 #define __D_LOGTOFILE_H__

    20 

    21 #include <e32cmn.h>

    22 #ifndef __KERNEL_MODE__

    23 #include <e32std.h>

    24 #endif

    25 

    26 /**

    27 Data structure for CreateChunk call to ldd

    28 */

    29 struct TChunkCreateStr

    30 {

    31 TInt iSize;			/**The size of the chunk to be created*/

    32 TBuf8<10> iPattern; /**The matching pattern*/

    33 };

    34 

    35 /**

    36 The user side class for controlling trace handler hook.

    37 */

    38 class RLogToFileDevice : public RBusLogicalChannel

    39 	{

    40 public:

    41 	enum TControl

    42 		{

    43 		EControlCreateChunk,

    44 		EControlStart,

    45 		EControlStop,

    46 		EControlRemoveChunk,

    47 		};

    48 public:

    49 #ifndef __KERNEL_MODE__

    50 	

    51 	inline TInt Open(); 

    52 	inline TInt CreateChunk(TChunkCreateStr* aStr);

    53 	inline void Start();

    54 	inline TInt Stop();

    55 	inline void RemoveChunk();

    56 #endif //__KERNEL_MODE__

    57 	};

    58 

    59 _LIT(KLogToFileName,"d_logtofile");

    60 

    61 #ifndef __KERNEL_MODE__

    62 /** Opens a channel*/

    63 inline TInt RLogToFileDevice::Open()

    64 	{return DoCreate(KLogToFileName,TVersion(1,0,0),KNullUnit,NULL,NULL);}

    65 /**Creates a chunk. Returns user side handle*/

    66 inline TInt RLogToFileDevice::CreateChunk(TChunkCreateStr* aStr)

    67 	{return DoControl(EControlCreateChunk, reinterpret_cast<TAny*>(aStr));}

    68 /**Starts logging into the chunk*/

    69 inline void RLogToFileDevice::Start()

    70 	{DoControl(EControlStart);}

    71 /**Stops logging into the chunk. Returns the size of the log.*/

    72 inline TInt RLogToFileDevice::Stop()

    73 	{return DoControl(EControlStop);}

    74 /*Destroys the chunk*/

    75 inline void RLogToFileDevice::RemoveChunk()

    76 	{DoControl(EControlRemoveChunk);}

    77 #endif //__KERNEL_MODE__

    78 #endif //__D_LOGTOFILE_H__