1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  

    15 *

    16 */

    17 

    18 

    19 #ifndef PROFILERGENERICCLASSESUSR_H

    20 #define PROFILERGENERICCLASSESUSR_H

    21 

    22 #include <piprofiler/ProfilerConfig.h>

    23 #include <piprofiler/ProfilerVersion.h>

    24 #include <piprofiler/ProfilerGenericClassesCommon.h>

    25 #include <piprofiler/PluginSampler.h>

    26 #include <piprofiler/WriterPluginInterface.h>

    27 

    28 #include <e32cmn.h>

    29 #include <e32std.h>

    30 #include <f32file.h>

    31 

    32 

    33 /*

    34  *	

    35  *	Class MProfilerBufferHandlerObserver definition

    36  *	

    37  */

    38 class MProfilerBufferHandlerObserver

    39 	{

    40 public:

    41 	virtual TBapBuf* GetNextFreeBuffer() = 0;

    42 	virtual void AddToFilledBuffers(TBapBuf* aFilledBuffer) = 0;

    43 	};

    44 

    45 /*

    46  *	

    47  *	Class CProfilerBufferHandler definition

    48  *	

    49  */

    50 // forward declarations

    51 class CProfilerSampleStream;

    52 

    53 class CProfilerBufferHandler : public CActive

    54 	{

    55 public:

    56 	static CProfilerBufferHandler* CProfilerBufferHandler::NewL(CProfilerSampleStream& aStream, RPluginSampler& aSampler);

    57 	CProfilerBufferHandler(CProfilerSampleStream& aStream, RPluginSampler& aSampler);

    58 	~CProfilerBufferHandler();

    59 	

    60 	void 		ConstructL();

    61 	

    62 	// for plugins to start receiving trace data

    63 	void		StartReceivingData();

    64 private:

    65 	void		RunL();

    66 	TInt        RunError(TInt aError);

    67 	void		DoCancel();

    68 	void        HandleEndOfStream();

    69 public:

    70 	TInt					iFinished;

    71 private:

    72 	RPluginSampler&			iSampler;

    73 	TBapBuf*				iBufferInProcess;

    74 	TBool					iEndOfStreamDetected;

    75 	

    76 	CProfilerSampleStream&     iObserver;

    77 	};

    78 

    79 /*

    80  *	

    81  *	Class CProfilerSampleStream definition

    82  *	

    83  */

    84 class CWriterPluginInterface;

    85 

    86 class CProfilerSampleStream : public CBase, MProfilerBufferHandlerObserver

    87 {

    88 public:

    89 	static CProfilerSampleStream* CProfilerSampleStream::NewL(TInt aBufSize);

    90 	~CProfilerSampleStream();

    91 

    92 	void 		ConstructL();

    93 

    94 	void 		Finalise();

    95 	void 		EmptyBuffers();

    96 	inline void		AddToFreeBuffers(TBapBuf* freeBuffer);

    97 	void        SetWriter(CWriterPluginInterface& aWriter);

    98 	

    99 	// from MProfilerBufferHandlerObserver

   100 	TBapBuf* 	GetNextFreeBuffer();

   101 	void        AddToFilledBuffers(TBapBuf* aFilledBuffer);

   102 	inline TBapBuf*    GetNextFilledBuffer();

   103 	void        ResetBuffers();

   104 	void        InitialiseBuffers();

   105 	inline void        NotifyWriter();

   106 private:

   107 	CProfilerSampleStream(TInt aBufSize);

   108 	

   109 	

   110 public:

   111     TInt					iFinished;

   112     CWriterPluginInterface* iWriter;

   113 private:

   114     TInt					iBufferSize;

   115     TBapBuf*				iFreeBuffers;

   116     TBapBuf*                iFilledBuffers;

   117 };

   118 

   119 #include <piprofiler/ProfilerGenericClassesUsr.inl>

   120 

   121 #endif