--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/f32test/smassstorage/src/cpropertywatch.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,285 @@
+// Copyright (c) 2004-2009 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:
+// Implementation of MS drive state watcher
+// 
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#include "t_ms_main.h"
+#include "cpropertywatch.h"
+#include "cstatemachine.h"
+
+LOCAL_D TInt testedDriveIndex = -1;
+ 
+///////////////////////////////////////////////////////////////////////////
+//	class CPropertyWatch
+///////////////////////////////////////////////////////////////////////////
+
+CPropertyWatch* CPropertyWatch::NewLC(TUsbMsDriveState_Subkey aSubkey, CPropertyHandler& aHandler)
+	{
+	CPropertyWatch* me=new(ELeave) CPropertyWatch(aHandler);
+	CleanupStack::PushL(me);
+	me->ConstructL(aSubkey);
+	return me;
+	}
+
+CPropertyWatch::CPropertyWatch(CPropertyHandler& aHandler)
+	: CActive(0), iHandler(aHandler)
+	{}
+
+void CPropertyWatch::ConstructL(TUsbMsDriveState_Subkey aSubkey)
+	{
+	User::LeaveIfError(iProperty.Attach(KUsbMsDriveState_Category, aSubkey));
+	CActiveScheduler::Add(this);
+	// initial subscription and process current property value
+	RunL();
+	}
+
+CPropertyWatch::~CPropertyWatch()
+	{
+	Cancel();
+	iProperty.Close();
+	}
+
+void CPropertyWatch::DoCancel()
+	{
+	iProperty.Cancel();
+	}
+
+void CPropertyWatch::RunL()
+	{
+	// resubscribe before processing new value to prevent missing updates
+	iProperty.Subscribe(iStatus);
+	iHandler.HandleStatusChange(iProperty);
+	SetActive();
+	}
+
+///////////////////////////////////////////////////////////////////////////
+//	class CPropertyHandler
+///////////////////////////////////////////////////////////////////////////
+
+CPropertyHandler::CPropertyHandler(TInt aDriveNo, CStateMachine& aSm)
+ 	: iDriveNo(aDriveNo)
+ 	, iStateMachine(aSm)
+	{
+	}
+	
+CPropertyHandler::~CPropertyHandler()
+	{
+	}
+	
+///////////////////////////////////////////////////////////////////////////
+//	class CMsDriveStatusHandler
+///////////////////////////////////////////////////////////////////////////
+
+CMsDriveStatusHandler*
+CMsDriveStatusHandler::NewLC(TInt aDriveNo, CStateMachine& aSm)
+	{
+	CMsDriveStatusHandler* self = new (ELeave) CMsDriveStatusHandler(aDriveNo, aSm);
+	CleanupStack::PushL(self);
+	return self;
+	};
+
+CMsDriveStatusHandler::CMsDriveStatusHandler(TInt aDriveNo, CStateMachine& aSm)
+	: CPropertyHandler(aDriveNo, aSm)
+	{
+	}
+	
+void
+CMsDriveStatusHandler::HandleStatusChange(RProperty& aProperty)
+	{
+	TInt driveStatus = -1;
+    TInt currentStatus = iStateMachine.CurrentStateId();
+	TBuf8<16> allDrivesStatus;	
+	TInt ret = aProperty.Get(allDrivesStatus);
+	test.Printf(_L("Property.Get() return value: %d\n"), ret); 
+	test(ret == KErrNone);
+
+	if (testedDriveIndex < 0)
+		{
+		for(TInt i=0; i<allDrivesStatus.Length()/2; i++)
+			{
+			if (allDrivesStatus[2*i] == iDriveNo)
+				{
+				testedDriveIndex = i;
+				break;
+				}
+			}
+		}
+			
+	if (testedDriveIndex < 0)
+		{
+		test.Printf(_L("Tested drive %d not found\n"), iDriveNo);
+		test(EFalse);
+		}
+
+	driveStatus = allDrivesStatus[2*testedDriveIndex + 1]; 
+		
+    switch (currentStatus)
+    	{
+    	case EUsbMsDriveState_Disconnected:
+    		if (iStateMachine.FromStateId() == EUsbMsDriveState_Disconnected)
+    			{
+    			iStateMachine.MoveTo(EUsbMsDriveState_Connected);
+    			iStateMachine.SetFromStateId(EUsbMsDriveState_Disconnected);
+    			}
+    		else if (iStateMachine.FromStateId() == EUsbMsDriveState_Disconnecting)
+    			{
+    			test(driveStatus == currentStatus);
+    			iStateMachine.MoveTo(EUsbMsDriveState_Connecting);
+    			iStateMachine.SetFromStateId(EUsbMsDriveState_Disconnected);
+    			}
+    		else if (iStateMachine.FromStateId() == EUsbMsState_Read)
+    			{
+    			CActiveScheduler::Stop();
+    			}
+    		break;
+    	case EUsbMsDriveState_Connecting:
+    		if (iStateMachine.FromStateId() == EUsbMsDriveState_Disconnected)
+    			{
+    			iStateMachine.MoveTo(EUsbMsState_Written);
+    			iStateMachine.SetFromStateId(EUsbMsDriveState_Connecting);
+    			}
+    		break;
+    	case EUsbMsDriveState_Connected:
+    		if (iStateMachine.FromStateId() == EUsbMsDriveState_Disconnected)
+    			{
+    			test(driveStatus == currentStatus);
+    			iStateMachine.MoveTo(EUsbMsDriveState_Active);
+    			iStateMachine.SetFromStateId(EUsbMsDriveState_Connected);
+    			}
+    		break;
+    	case EUsbMsDriveState_Disconnecting:
+    		if (iStateMachine.FromStateId() == EUsbMsDriveState_Active)
+    			{
+    			test(driveStatus == currentStatus);
+    			iStateMachine.MoveTo(EUsbMsDriveState_Disconnected);
+    			iStateMachine.SetFromStateId(EUsbMsDriveState_Disconnecting);
+    			}
+    		
+    		break;
+    	case EUsbMsDriveState_Active:
+    		if (iStateMachine.FromStateId() == EUsbMsDriveState_Connected)
+    			{
+    			test(driveStatus == currentStatus);
+    			iStateMachine.MoveTo(EUsbMsDriveState_Disconnecting);
+    			iStateMachine.SetFromStateId(EUsbMsDriveState_Active);
+    			}
+    		break;
+    	case EUsbMsDriveState_Locked:
+    		iStateMachine.MoveTo(EUsbMsDriveState_Disconnecting);
+    		break;
+    	default:
+    		test.Printf(_L("uninteresting drive status: %d\n"), currentStatus);
+    		break;
+    	}
+	}
+	
+///////////////////////////////////////////////////////////////////////////
+//	class CMsReadStatusHandler
+///////////////////////////////////////////////////////////////////////////
+
+CMsReadStatusHandler*
+CMsReadStatusHandler::NewLC(TInt aDriveNo, CStateMachine& aSm)
+	{
+	CMsReadStatusHandler* self = new (ELeave) CMsReadStatusHandler(aDriveNo, aSm);
+	CleanupStack::PushL(self);
+	return self;
+	};
+	
+CMsReadStatusHandler::CMsReadStatusHandler(TInt aDriveNo, CStateMachine& aSm)
+	: CPropertyHandler(aDriveNo, aSm)
+	{
+	}
+	
+void
+CMsReadStatusHandler::HandleStatusChange(RProperty& aProperty)
+	{
+    TInt currentStatus = iStateMachine.CurrentStateId();
+	TUsbMsBytesTransferred kBytes;
+	
+	TInt ret = aProperty.Get(kBytes);
+	test.Printf(_L("Read Property.Get() return value: %d\n"), ret); 
+	test(ret == KErrNone);
+	
+    switch (currentStatus)
+    	{
+    	case EUsbMsState_Read:
+    	    if (iStateMachine.FromStateId() == EUsbMsState_Written
+    	    	&& (1 == kBytes[testedDriveIndex]))
+    			{
+    			iStateMachine.MoveTo(EUsbMsDriveState_Disconnected);
+    			iStateMachine.SetFromStateId(EUsbMsState_Read);
+    			}
+    		break;
+		case EUsbMsDriveState_Active:
+    		if (iStateMachine.FromStateId() == EUsbMsDriveState_Connected)
+    			{
+    			iStateMachine.MoveTo(EUsbMsDriveState_Disconnecting);
+    			iStateMachine.SetFromStateId(EUsbMsDriveState_Active);
+    			}
+    		break;
+    	default:
+    		test.Printf(_L("uninteresting read status: %d\n"), currentStatus);
+    		break;
+    	}
+	}
+
+///////////////////////////////////////////////////////////////////////////
+//	class CMsWrittenStatusHandler
+///////////////////////////////////////////////////////////////////////////
+
+CMsWrittenStatusHandler*
+CMsWrittenStatusHandler::NewLC(TInt aDriveNo, CStateMachine& aSm)
+	{
+	CMsWrittenStatusHandler* self = new (ELeave) CMsWrittenStatusHandler(aDriveNo, aSm);
+	CleanupStack::PushL(self);
+	return self;
+	};
+
+CMsWrittenStatusHandler::CMsWrittenStatusHandler(TInt aDriveNo, CStateMachine& aSm)
+	: CPropertyHandler(aDriveNo, aSm)
+	{
+	}
+	
+void
+CMsWrittenStatusHandler::HandleStatusChange(RProperty& aProperty)
+	{
+    TInt currentStatus = iStateMachine.CurrentStateId();
+	TUsbMsBytesTransferred kBytes;
+	
+	TInt ret = aProperty.Get(kBytes);
+	test.Printf(_L("Written Property.Get() return value: %d\n"), ret); 
+	test(ret == KErrNone);
+    test.Printf(_L("Kilobytes written: %d\n"), kBytes[testedDriveIndex]);
+	
+    switch (currentStatus)
+    	{
+    	case EUsbMsState_Written:
+    		if (iStateMachine.FromStateId() == EUsbMsDriveState_Connecting &&
+				kBytes[testedDriveIndex] == 1)
+				{				
+    			iStateMachine.MoveTo(EUsbMsState_Read);
+    			iStateMachine.SetFromStateId(EUsbMsState_Written);
+    			}
+    		break;
+    	default:
+    		test.Printf(_L("uninteresting write status: %d\n"), currentStatus);
+    		break;
+    	}
+	}