--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysanadatacapture/piprofiler/piprofiler_api/inc/ProfilerGenericClassesUsr.h	Thu Feb 11 15:52:57 2010 +0200
@@ -0,0 +1,121 @@
+/*
+* 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 PROFILERGENERICCLASSESUSR_H
+#define PROFILERGENERICCLASSESUSR_H
+
+#include <piprofiler/ProfilerConfig.h>
+#include <piprofiler/ProfilerVersion.h>
+#include <piprofiler/ProfilerGenericClassesCommon.h>
+#include <piprofiler/PluginSampler.h>
+#include <piprofiler/WriterPluginInterface.h>
+
+#include <e32cmn.h>
+#include <e32std.h>
+#include <f32file.h>
+
+
+/*
+ *	
+ *	Class MProfilerBufferHandlerObserver definition
+ *	
+ */
+class MProfilerBufferHandlerObserver
+	{
+public:
+	virtual TBapBuf* GetNextFreeBuffer() = 0;
+	virtual void AddToFilledBuffers(TBapBuf* aFilledBuffer) = 0;
+	};
+
+/*
+ *	
+ *	Class CProfilerBufferHandler definition
+ *	
+ */
+// forward declarations
+class CProfilerSampleStream;
+
+class CProfilerBufferHandler : public CActive
+	{
+public:
+	static CProfilerBufferHandler* CProfilerBufferHandler::NewL(CProfilerSampleStream& aStream, RPluginSampler& aSampler);
+	CProfilerBufferHandler(CProfilerSampleStream& aStream, RPluginSampler& aSampler);
+	~CProfilerBufferHandler();
+	
+	void 		ConstructL();
+	
+	// for plugins to start receiving trace data
+	void		StartReceivingData();
+private:
+	void		RunL();
+	TInt        RunError(TInt aError);
+	void		DoCancel();
+	void        HandleEndOfStream();
+public:
+	TInt					iFinished;
+private:
+	RPluginSampler&			iSampler;
+	TBapBuf*				iBufferInProcess;
+	TBool					iEndOfStreamDetected;
+	
+	CProfilerSampleStream&     iObserver;
+	};
+
+/*
+ *	
+ *	Class CProfilerSampleStream definition
+ *	
+ */
+class CWriterPluginInterface;
+
+class CProfilerSampleStream : public CBase, MProfilerBufferHandlerObserver
+{
+public:
+	static CProfilerSampleStream* CProfilerSampleStream::NewL(TInt aBufSize);
+	~CProfilerSampleStream();
+
+	void 		ConstructL();
+
+	void 		Finalise();
+	void 		EmptyBuffers();
+	inline void		AddToFreeBuffers(TBapBuf* freeBuffer);
+	void        SetWriter(CWriterPluginInterface& aWriter);
+	
+	// from MProfilerBufferHandlerObserver
+	TBapBuf* 	GetNextFreeBuffer();
+	void        AddToFilledBuffers(TBapBuf* aFilledBuffer);
+	inline TBapBuf*    GetNextFilledBuffer();
+	void        ResetBuffers();
+	void        InitialiseBuffers();
+	inline void        NotifyWriter();
+private:
+	CProfilerSampleStream(TInt aBufSize);
+	
+	
+public:
+    TInt					iFinished;
+    CWriterPluginInterface* iWriter;
+private:
+    TInt					iBufferSize;
+    TBapBuf*				iFreeBuffers;
+    TBapBuf*                iFilledBuffers;
+};
+
+#include <piprofiler/ProfilerGenericClassesUsr.inl>
+
+#endif