/*

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

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  

*

*/

#ifndef __PLUGINSAMPLER_H__

#define __PLUGINSAMPLER_H__

/*

 * The user-interface to the sampling device driver sued by the profiling engine

 */

//	#include <piprofiler/ProfilerConfig.h>

//	#include <piprofiler/ProfilerVersion.h>	// versions removed from ProfilerConfig.h

#ifndef __KERNEL_MODE__

#include <utf.h>

#endif

/*

 *	Forward declarations

 */

class TBapBuf;

/**

 * A minimal capabilities class for the Sampling device.

 * It just returns the version number.

 */

class TCapsSamplerV01

	{

public:

	TVersion	iVersion;

	};

const TInt KMinDelay = 1;

const TInt KMaxDelay = 10000;

/**

 * The user device driver class for controlling the plugin sampler.

 */

class RPluginSampler :  public RBusLogicalChannel // public RPluginSampler

{	

	friend class DPluginDriver;

	public:

		enum TControl

		{

			EOutputSettingsForTrace,

			EMarkTraceActive,

			EMarkTraceInactive,

			ESample,

			EStartSampling,

			EGetSampleTime,

			EGetSamplerVersion,

			EStopAndWaitForEnd,

			ESetSamplingPeriod,

			EAdditionalTraceSettings,

			EAdditionalTraceSettings2,

			EAdditionalTraceSettings3,

			EAdditionalTraceSettings4,

			//EPrintTraces,

			ECancelStreamRead,

			ERequestFillThisStreamBuffer,

			ERequestPrintStreamBuffer,

			ETest

		};

	public:

		#ifndef __KERNEL_MODE__

		inline ~RPluginSampler();

		/**

		 * 

		 * Methods for controlling the sampler device

		 * 

		 **/

		/** Open a channel to the sampling device **/

		virtual TInt Open() = 0;

		/** Set sampling period for sampler */

		inline void SetSamplingPeriod(TInt samplerId, TInt settings);

		/** Set additional trace settings **/

		inline void AdditionalSettingsForTrace(TInt samplerId,TInt settings);

		inline void AdditionalSettingsForTrace2(TInt samplerId,TInt settings);

		inline void AdditionalSettingsForTrace3(TInt samplerId,TInt settings);

		inline void AdditionalSettingsForTrace4(TInt samplerId,TInt settings);

		/** Mark trace active **/

		inline void MarkTraceActive(TUint32 id);

		/** Mark trace inactive **/

		inline void MarkTraceInactive(TUint32 id);

		/** Sample command to kernel LDD**/

		inline void Sample();

		/** Start tracing **/

		inline void StartSampling();

		/** Stop tracing **/

		inline void StopSampling();

		/** Get current sampling time **/

		inline TUint32 GetSampleTime();

		/** Get sampler version as descriptor **/

		virtual void GetSamplerVersion(TDes*);

		/** Get next filled buffer in stream mode **/

		void GetNextbuffer( );

		/** Request stream read **/

		void FillThisStreamBuffer(TBapBuf* aBuffer, TRequestStatus& aStatus);

		/** Request print buffer**/

		void PrintStreamBuffer(TDesC16* aBuffer);

		/** Run test case **/

		inline void Test(TUint32 testCase);

		#endif	// !__KERNEL_MODE__	

};

#ifndef __KERNEL_MODE__

inline RPluginSampler::~RPluginSampler()

{

}

inline void RPluginSampler::AdditionalSettingsForTrace(TInt samplerId,TInt settings)

	{

	DoControl(EAdditionalTraceSettings,

			reinterpret_cast<TAny*>(samplerId),

			reinterpret_cast<TAny*>(settings));

	}

inline void RPluginSampler::AdditionalSettingsForTrace2(TInt samplerId,TInt settings)

	{

	DoControl(EAdditionalTraceSettings2,

			reinterpret_cast<TAny*>(samplerId),

			reinterpret_cast<TAny*>(settings));

	}

inline void RPluginSampler::AdditionalSettingsForTrace3(TInt samplerId,TInt settings)

	{

	DoControl(EAdditionalTraceSettings3,

			reinterpret_cast<TAny*>(samplerId),

			reinterpret_cast<TAny*>(settings));

	}

inline void RPluginSampler::AdditionalSettingsForTrace4(TInt samplerId,TInt settings)

	{

	DoControl(EAdditionalTraceSettings4,

			reinterpret_cast<TAny*>(samplerId),

			reinterpret_cast<TAny*>(settings));

	}

inline void RPluginSampler::SetSamplingPeriod(TInt samplerId, TInt settings)

	{

	DoControl(ESetSamplingPeriod, 

			reinterpret_cast<TAny*>(samplerId),

			reinterpret_cast<TAny*>(settings));

	}

inline void RPluginSampler::MarkTraceActive(TUint32 id)

{

		DoControl(EMarkTraceActive, reinterpret_cast<TAny*>(id));

}

inline void RPluginSampler::MarkTraceInactive(TUint32 id)

{

		DoControl(EMarkTraceInactive, reinterpret_cast<TAny*>(id));

}

inline void RPluginSampler::Sample()

	{

	DoControl(ESample);

	}

inline void RPluginSampler::StartSampling()

{

	// at first, start the kernel side samplers

	DoControl(EStartSampling);

}

inline void RPluginSampler::StopSampling()

{

	// stop the device driver and the kernel mode samplers

	TRequestStatus status;

	status = KRequestPending;

	DoRequest(EStopAndWaitForEnd,status);

	User::WaitForRequest(status);

}

inline TUint32 RPluginSampler::GetSampleTime()

{

	TUint32* sampleTime = new TUint32;

	DoControl(EGetSampleTime,reinterpret_cast<TAny*>(sampleTime));

	TUint32 value = *sampleTime;

	delete sampleTime;

	return value;

}

inline void RPluginSampler::GetSamplerVersion(TDes* aDes)

{

	TBuf8<16> buf;

	DoControl(EGetSamplerVersion,(TAny*)&buf);

	CnvUtfConverter::ConvertToUnicodeFromUtf8(*aDes,buf);

}

inline void RPluginSampler::PrintStreamBuffer(TDesC16* aDes) 

{

	DoControl(ERequestPrintStreamBuffer,reinterpret_cast<TAny*>(aDes));

}

inline void RPluginSampler::FillThisStreamBuffer(TBapBuf* aBuffer, TRequestStatus& aStatus)

{

	aStatus = KRequestPending;

	DoRequest(ERequestFillThisStreamBuffer,aStatus,(TAny*)aBuffer);

}

inline void RPluginSampler::Test(TUint32 testCase)

{

	DoControl(ETest,reinterpret_cast<TAny*>(testCase));

}

#endif

#endif