// Copyright (c) 1997-2009 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:

// Access to the internal state of the CDiscoverer class

// 

//

// ______________________________________________________________________________

//

_LIT(KTDiscoverer_DumpName,"C:\\System\\Data\\Logs\\TDiscoverer_StateDump.bin");

inline TInt TDiscoverer_StateAccessor::InvariantTest(TAny* aTestObject)

	{

	CDiscoverer* discoverer = REINTERPRET_CAST(CDiscoverer*, aTestObject);

	// The only invariants over all cases

	if(	discoverer						== NULL ||

		discoverer->iDirNotifier		== NULL ||

		discoverer->iScanningTimer		== NULL)

		return KTestBedFailedInvariant;

	return KErrNone;

	}

inline TInt TDiscoverer_StateAccessor::Internalize(TAny* aTestObject)

	{

	TInt error = KErrNone;

	CDiscoverer* discoverer = REINTERPRET_CAST(CDiscoverer*, aTestObject);

	if(discoverer)

		{

		TRAP(error,InternalizeL(discoverer));

		}

	return error;

	}

inline TInt TDiscoverer_StateAccessor::Externalize(TAny* aTestObject)

	{

	TInt error = KErrNone;

	CDiscoverer* discoverer = REINTERPRET_CAST(CDiscoverer*, aTestObject);

	if(discoverer)

		{

		TRAP(error,ExternalizeL(discoverer));

		}

	return error;

	}

// internal helpers

inline void TDiscoverer_StateAccessor::InternalizeL(CDiscoverer* aDiscoverer)

	{

	RFs fs;

	User::LeaveIfError(fs.Connect());

	CleanupClosePushL(fs);

	// Read the object dump

	TParse filename;

	filename.Set(KTDiscoverer_DumpName(),NULL,NULL);

	RFileReadStream stream;

	User::LeaveIfError(stream.Open(fs,filename.FullName(), EFileRead));

	CleanupClosePushL(stream);

	aDiscoverer->iDrivesDiscovered.Reset();

	TInt count = stream.ReadInt32L();

	for(TInt i = 0; i < count; ++i)

		{

		// Construct the drives discovered array

		TDriveUnit drive = stream.ReadInt32L();

		aDiscoverer->iDrivesDiscovered.Append(drive);

		}

	CleanupStack::PopAndDestroy();	// stream

	CleanupStack::PopAndDestroy();	// fs

	}

inline void TDiscoverer_StateAccessor::ExternalizeL(CDiscoverer* aDiscoverer)

	{

	// Dump the internal state of the CDiscoverer

	RFs fs;

	User::LeaveIfError(fs.Connect());

	CleanupClosePushL(fs);

	// Write out the object dump

	TParse filename;

	filename.Set(KTDiscoverer_DumpName(),NULL,NULL);

	RFileWriteStream stream;

	User::LeaveIfError(stream.Replace(fs,filename.FullName(), EFileWrite));

	CleanupClosePushL(stream);

	const TInt count = aDiscoverer->iDrivesDiscovered.Count();

	stream.WriteInt32L(count);

	for(TInt i = 0; i < count; ++i)

		{

		// Dump the drives discovered array

		stream.WriteInt32L((aDiscoverer->iDrivesDiscovered)[i]);

		}

	CleanupStack::PopAndDestroy(&stream);

	CleanupStack::PopAndDestroy(&fs);

	}