// Copyright (c) 2008-2009 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:

// f32test\demandpaging\t_paginginfo.cpp

// 

//

#include <e32test.h>

RTest test(_L("t_paginginfo"));

#include <e32rom.h>

#include <e32svr.h>

#include <u32hal.h>

#include <f32file.h>

#include <f32dbg.h>

#include <d32locd.h>

#include "testdefs.h"

#include <hal.h>

TInt DriveNumber=-1;   // Parameter - Which drive?  -1 = autodetect.

TInt locDriveNumber;

TBusLocalDrive Drive;

TBool DisplayStats = ETrue;

TBool ManualTest = EFalse;

TInt findDataPagingDrive()

/** 

Find the drive containing a swap partition.

@return		Local drive identifier.

*/

	{

	TInt drive = KErrNotFound;

	test.Printf(_L("Searching for data paging drive:\n"));

	for(TInt i = 0; i < KMaxLocalDrives && drive < 0; ++i)

		{

		RLocalDrive	d;

		TBool		change = EFalse;

		if(d.Connect(i, change) == KErrNone)

			{

			test.Printf(_L("Connected to local drive %d\n"), i);

			TLocalDriveCapsV4			dc;

			TPckg<TLocalDriveCapsV4>	capsPack(dc);

			if(d.Caps(capsPack) == KErrNone)

				{

				if ((dc.iMediaAtt & KMediaAttPageable) &&

					(dc.iPartitionType == KPartitionTypePagedData))

					{

					test.Printf(_L("Found swap partition on local drive %d\n"), i);

					drive = i;

					TPageDeviceInfo pageDeviceInfo;

					TPtr8 pageDeviceInfoBuf((TUint8*) &pageDeviceInfo, sizeof(pageDeviceInfo));

					pageDeviceInfoBuf.FillZ();

					TInt r = d.QueryDevice(RLocalDrive::EQueryPageDeviceInfo, pageDeviceInfoBuf);

					test.Printf(_L("EQueryPageDeviceInfo on local drive %d returned %d\n"), i, r);

					}

				}

			d.Close();

			}

		}

	return drive;

	}

void DisplayPageDeviceInfo(TInt aDataPagingDrive)

	{

	test.Printf(_L("Stats: \n"));

	SMediaPagingInfo info;

	TInt r = UserSvr::HalFunction(EHalGroupMedia,EMediaHalGetPagingInfo,(TAny*) aDataPagingDrive, &info);

	test.Printf(_L("HAL: EMediaHalGetPagingInfo returned %d\n"), r);

	if (r == KErrNone)

		{

		test.Printf(_L("iRomPageInCount %d\n"), info.iRomPageInCount);

		test.Printf(_L("iCodePageInCount %d\n"), info.iCodePageInCount);

		test.Printf(_L("iDataPageInCount %d\n"), info.iDataPageInCount);

		test.Printf(_L("iDataPageOutCount %d\n"), info.iDataPageOutCount);

		test.Printf(_L("iDataPageOutBackgroundCount %d\n"), info.iDataPageOutBackgroundCount);

		}

	RLocalDrive	d;

	TBool change = EFalse;

	r = d.Connect(aDataPagingDrive, change);

	test (r == KErrNone);

	TPageDeviceInfo pageDeviceInfo;

	TPtr8 pageDeviceInfoBuf((TUint8*) &pageDeviceInfo, sizeof(pageDeviceInfo));

	pageDeviceInfoBuf.FillZ();

	r = d.QueryDevice(RLocalDrive::EQueryPageDeviceInfo, pageDeviceInfoBuf);

	test (r == KErrNone || r == KErrNotSupported);

	d.Close();

	test.Printf(_L("iReservoirBlockCount %d\n"),		pageDeviceInfo.iReservoirBlockCount);

	test.Printf(_L("iBadBlockCount %d\n"),	pageDeviceInfo.iBadBlockCount);

	}

//

// The gubbins that starts all the tests

//

// ParseCommandLine reads the arguments and sets globals accordingly.

//

void ParseCommandLine()

	{

	TBuf<32> args;

	User::CommandLine(args);

	TLex lex(args);

	FOREVER

		{

		TPtrC token=lex.NextToken();

		if(token.Length()!=0)

			{

			if ((token.Length()==2) && (token[1]==':'))

				DriveNumber=User::UpperCase(token[0])-'A';

			else if (token.Length()==1)

				{

				TChar driveLetter = User::UpperCase(token[0]); 

				if ((driveLetter>='A') && (driveLetter<='Z'))

					DriveNumber=driveLetter - (TChar) 'A';

				else 

					test.Printf(_L("Unknown argument '%S' was ignored.\n"), &token);

				}

			else if ((token==_L("help")) || (token==_L("-h")) || (token==_L("-?")))

				{

				test.Printf(_L("\nUsage:  t_paginginfo [enable] [disable] [stats]\n\n"));

				test.Getch();

				}

			else if (token==_L("stats"))

				{

				DisplayStats = ETrue;

				}

			else if (token==_L("-m"))

				{

				ManualTest = ETrue;

				}

			else

				test.Printf(_L("Unknown argument '%S' was ignored.\n"), &token);

			}

		else

			break;

		}

	}

//

// E32Main

//

TInt E32Main()

	{

	test.Title();

	test.Start(_L("Check that the rom is paged"));

	TRomHeader* romHeader = (TRomHeader*)UserSvr::RomHeaderAddress();

	if (romHeader->iPageableRomStart==NULL)

		{

		test.Printf(_L("Test ROM is not paged - test skipped!\r\n"));

		test.End();

		return 0;

		}

	ParseCommandLine();	

	TInt dataPagingDrive = findDataPagingDrive();

	if (dataPagingDrive == KErrNotFound)

		{

		test.Printf(_L("Swap partition not found - test skipped!\r\n"));

		test.End();

		return 0;

		}

	if (DisplayStats)

		{

		DisplayPageDeviceInfo(dataPagingDrive);

		if (ManualTest)

			test.Getch();

		test.End();

		return 0;

		}

	test.End();

	return 0;

	}