os/kernelhwsrv/kerneltest/e32test/debug/d_logtofile.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
sl@0
     1
// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0
     2
// All rights reserved.
sl@0
     3
// This component and the accompanying materials are made available
sl@0
     4
// under the terms of the License "Eclipse Public License v1.0"
sl@0
     5
// which accompanies this distribution, and is available
sl@0
     6
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0
     7
//
sl@0
     8
// Initial Contributors:
sl@0
     9
// Nokia Corporation - initial contribution.
sl@0
    10
//
sl@0
    11
// Contributors:
sl@0
    12
//
sl@0
    13
// Description:
sl@0
    14
// e32test\debug\d_logtofile.h
sl@0
    15
// 
sl@0
    16
//
sl@0
    17
sl@0
    18
#ifndef __D_LOGTOFILE_H__
sl@0
    19
#define __D_LOGTOFILE_H__
sl@0
    20
sl@0
    21
#include <e32cmn.h>
sl@0
    22
#ifndef __KERNEL_MODE__
sl@0
    23
#include <e32std.h>
sl@0
    24
#endif
sl@0
    25
sl@0
    26
/**
sl@0
    27
Data structure for CreateChunk call to ldd
sl@0
    28
*/
sl@0
    29
struct TChunkCreateStr
sl@0
    30
{
sl@0
    31
TInt iSize;			/**The size of the chunk to be created*/
sl@0
    32
TBuf8<10> iPattern; /**The matching pattern*/
sl@0
    33
};
sl@0
    34
sl@0
    35
/**
sl@0
    36
The user side class for controlling trace handler hook.
sl@0
    37
*/
sl@0
    38
class RLogToFileDevice : public RBusLogicalChannel
sl@0
    39
	{
sl@0
    40
public:
sl@0
    41
	enum TControl
sl@0
    42
		{
sl@0
    43
		EControlCreateChunk,
sl@0
    44
		EControlStart,
sl@0
    45
		EControlStop,
sl@0
    46
		EControlRemoveChunk,
sl@0
    47
		};
sl@0
    48
public:
sl@0
    49
#ifndef __KERNEL_MODE__
sl@0
    50
	
sl@0
    51
	inline TInt Open(); 
sl@0
    52
	inline TInt CreateChunk(TChunkCreateStr* aStr);
sl@0
    53
	inline void Start();
sl@0
    54
	inline TInt Stop();
sl@0
    55
	inline void RemoveChunk();
sl@0
    56
#endif //__KERNEL_MODE__
sl@0
    57
	};
sl@0
    58
sl@0
    59
_LIT(KLogToFileName,"d_logtofile");
sl@0
    60
sl@0
    61
#ifndef __KERNEL_MODE__
sl@0
    62
/** Opens a channel*/
sl@0
    63
inline TInt RLogToFileDevice::Open()
sl@0
    64
	{return DoCreate(KLogToFileName,TVersion(1,0,0),KNullUnit,NULL,NULL);}
sl@0
    65
/**Creates a chunk. Returns user side handle*/
sl@0
    66
inline TInt RLogToFileDevice::CreateChunk(TChunkCreateStr* aStr)
sl@0
    67
	{return DoControl(EControlCreateChunk, reinterpret_cast<TAny*>(aStr));}
sl@0
    68
/**Starts logging into the chunk*/
sl@0
    69
inline void RLogToFileDevice::Start()
sl@0
    70
	{DoControl(EControlStart);}
sl@0
    71
/**Stops logging into the chunk. Returns the size of the log.*/
sl@0
    72
inline TInt RLogToFileDevice::Stop()
sl@0
    73
	{return DoControl(EControlStop);}
sl@0
    74
/*Destroys the chunk*/
sl@0
    75
inline void RLogToFileDevice::RemoveChunk()
sl@0
    76
	{DoControl(EControlRemoveChunk);}
sl@0
    77
#endif //__KERNEL_MODE__
sl@0
    78
#endif //__D_LOGTOFILE_H__