diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/kerneltest/f32test/plugins/version_2/src/stacked3_plugin.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/kerneltest/f32test/plugins/version_2/src/stacked3_plugin.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,329 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "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:
+//
+
+#include "stacked3_plugin.h"
+#include "plugincommon.h"
+
+
+/**
+Leaving New function for the plugin
+@internalComponent
+ */
+CStacked3Plugin* CStacked3Plugin::NewL()
+	{
+	CStacked3Plugin* self = new(ELeave) CStacked3Plugin;
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop();
+	return self;
+	}
+
+
+/**
+Constructor for the plugin
+@internalComponent
+ */
+CStacked3Plugin::CStacked3Plugin() : iInterceptsEnabled(EFalse),
+iLogging(ETrue)
+		{
+		}
+
+
+void CStacked3Plugin::ConstructL()
+	{
+	}
+
+/**
+The destructor for the plugin
+@internalComponent
+ */
+CStacked3Plugin::~CStacked3Plugin()
+	{
+	}
+
+/**
+Initialise the plugin.
+@internalComponent
+ */
+void CStacked3Plugin::InitialiseL()
+	{
+	EnableInterceptsL();	
+	}
+
+/**
+Enable the plugin's intercepts.
+@internalComponent
+ */
+void CStacked3Plugin::EnableInterceptsL()
+	{
+	if (iInterceptsEnabled) return;
+
+	User::LeaveIfError(RegisterIntercept(EFsFileWrite, 		 	EPreIntercept));	
+
+	_LOG(_L("Stacked3 Plugin: Enabled intercepts."));
+
+	iInterceptsEnabled = ETrue;
+	}
+
+/**
+Disable the plugin's intercepts.
+@internalComponent
+ */
+void CStacked3Plugin::DisableInterceptsL()
+	{
+	if (!iInterceptsEnabled) return;
+
+	User::LeaveIfError(UnregisterIntercept(EFsFileWrite,   		EPreIntercept));
+
+	_LOG(_L("Stacked3 Plugin: Disabled intercepts."));
+
+	iInterceptsEnabled = EFalse;
+	}
+
+/**
+Handle requests
+@internalComponent
+ */
+TInt CStacked3Plugin::DoRequestL(TFsPluginRequest& aRequest)
+	{
+
+	TInt err = KErrNone;
+
+	TInt function = aRequest.Function();
+
+	switch(function)
+		{
+		case EFsFileRead:
+			break;
+
+		case EFsFileWrite:
+			TRAP(err, FsFileWriteL(aRequest));
+			break;
+
+		default:
+			break;
+		}
+
+	return err;
+	}
+
+
+/**
+@internalComponent
+ */
+void CStacked3Plugin::FsFileWriteL(TFsPluginRequest& aRequest)
+	{
+	TInt length = 0;
+	TInt64 pos = 0;
+	TFileName filename;
+	TParse parse;
+
+	TInt err = aRequest.FileName(filename);
+	iLastError = err;
+	iLineNumber = __LINE__;
+	if(err!=KErrNone)
+		User::Leave(err); //trapped in DoRequestL
+
+	err = aRequest.Read(TFsPluginRequest::ELength, length);
+	iLastError = err;
+	iLineNumber = __LINE__;
+	if(err!=KErrNone)
+		User::Leave(err); //trapped in DoRequestL
+	
+	err = aRequest.Read(TFsPluginRequest::EPosition, pos);
+	iLastError = err;
+	iLineNumber = __LINE__;
+	if(err!=KErrNone)
+		User::Leave(err); //trapped in DoRequestL
+	
+	parse.Set(filename, NULL, NULL);
+
+	_LOG4(_L("CStacked3Plugin::FsFileWriteL, file: %S, pos: %d, length: %d"), &filename,  pos, length);
+
+	if (aRequest.IsPostOperation())
+		{
+		_LOG(_L("CStacked3Plugin::FsFileWriteL, post intercept"));
+		}
+	else
+		{
+		_LOG(_L("CStacked3Plugin::FsFileWriteL, pre intercept"));	
+
+		//set up test data for plugin
+		TBuf8<20> wbuffer;			
+		wbuffer.Copy(_L8("HELLO WORLD  SYMBIAN"));
+		TInt length = wbuffer.Length();
+
+		HBufC8* tempBuf = HBufC8::NewMaxLC(length);
+		TPtr8 tempBufPtr((TUint8 *)tempBuf->Des().Ptr(), length, length);
+
+		RFilePlugin fileplugin(aRequest);
+		err = fileplugin.AdoptFromClient();
+		iLastError = err;
+		iLineNumber = __LINE__;
+		if(err!=KErrNone)
+			User::Leave(err); //trapped in DoRequestL
+		
+		//write to file
+		err = fileplugin.Write(pos, wbuffer);
+		_LOG2(_L("CStacked3Plugin::FsFileWriteL, RFilePlugin::Write returned %d"), err);
+		iLastError = err;
+		iLineNumber = __LINE__;
+		if(err!=KErrNone)
+			User::Leave(err); //trapped in DoRequestL
+
+		//read from file		
+		err = fileplugin.Read(pos, tempBufPtr);
+		_LOG2(_L("CStackedPlugin::FsFileWriteL, RFilePlugin::Read returned %d"), err);
+		iLastError = err;
+		iLineNumber = __LINE__;
+		if(err!=KErrNone)
+			User::Leave(err); //trapped in DoRequestL
+
+		//testing the correct thing has been written to the drive
+		err = wbuffer.Compare(tempBufPtr);
+		iLastError = err;
+		iLineNumber = __LINE__;
+		if(err!=KErrNone)
+			User::Leave(err); //trapped in DoRequestL
+
+		fileplugin.Close();
+		CleanupStack::PopAndDestroy();	
+
+		// send request down the stack
+		User::Leave(KErrCompletion);	
+		}
+	}
+
+
+CFsPluginConn* CStacked3Plugin::NewPluginConnL()
+	{
+	return new(ELeave) CStacked3PluginConn();
+	}
+
+
+//Synchronous RPlugin::DoControl
+TInt CStacked3Plugin::FsPluginDoControlL(CFsPluginConnRequest& aRequest)
+	{
+	TInt err = KErrNone;
+	TPckg<TInt> errCodeDes(iLastError);
+	TPckg<TInt> lineNumberDes(iLineNumber);
+
+	TInt function = aRequest.Function();
+	switch(function)
+		{
+		case KPluginSetDrive:
+			{
+			TPckg<TChar> drive(iDriveToTest);
+			TRAP(err,aRequest.ReadParam1L(drive));
+			break;
+			}
+		case KPluginGetError:
+			{
+			TRAP(err,aRequest.WriteParam1L(errCodeDes));
+			TRAP(err,aRequest.WriteParam2L(lineNumberDes));
+			break;
+			}
+		default:
+			break;
+		}
+
+	return err;
+	}
+
+TInt CStacked3PluginConn::DoControl(CFsPluginConnRequest& aRequest)
+	{
+	return ((CStacked3Plugin*)Plugin())->FsPluginDoControlL(aRequest);
+	}
+
+void CStacked3PluginConn::DoRequest(CFsPluginConnRequest& aRequest)
+	{
+	DoControl(aRequest);
+	}
+
+void CStacked3PluginConn::DoCancel(TInt /*aReqMask*/)
+	{
+	}
+
+//factory functions
+
+class CStacked3PluginFactory : public CFsPluginFactory
+	{
+	public:
+		CStacked3PluginFactory();
+		virtual TInt Install();			
+		virtual CFsPlugin* NewPluginL();
+		virtual CFsPlugin* NewPluginConnL();
+		virtual TInt UniquePosition();
+	};
+
+/**
+Constructor for the plugin factory
+@internalComponent
+ */
+CStacked3PluginFactory::CStacked3PluginFactory()
+	{
+	}
+
+/**
+Install function for the plugin factory
+@internalComponent
+ */
+TInt CStacked3PluginFactory::Install()
+	{
+	//SetSupportedDrives(1<<23);
+	iSupportedDrives = 1<<23;
+	return(SetName(&KStacked3PluginName));
+	}
+
+/**
+@internalComponent
+ */
+TInt CStacked3PluginFactory::UniquePosition()
+	{
+	return(KStacked3Pos);
+	}
+
+/**
+Plugin factory function
+@internalComponent
+ */
+CFsPlugin* CStacked3PluginFactory::NewPluginL()
+
+	{
+	return CStacked3Plugin::NewL();
+	}
+
+/**
+Plugin factory function
+@internalComponent
+ */
+CFsPlugin* CStacked3PluginFactory::NewPluginConnL()
+
+	{
+	return CStacked3Plugin::NewL();
+	}
+
+/**
+Create a new Plugin
+@internalComponent
+ */
+extern "C" {
+
+EXPORT_C CFsPluginFactory* CreateFileSystem()
+		{
+		return(new CStacked3PluginFactory());
+		}
+}
+