// Copyright (c) 2001-2009 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:

// this isn't actually a test of the media driver.It scans all loaded media

// drivers a filesystems and prints information about them

// 

//

#include <e32std.h>

#include <e32std_private.h>

#include <e32svr.h>

#include <e32test.h>

#include <f32file.h>

LOCAL_C void ScanPhysicalDeviceDrivers()

	/**

	 * Displays list of loaded PDDs

	 */

	{

	RDebug::Print( _L("Scanning loaded media drivers...") );

	_LIT( KSearchName, "Media.*" );

	TFindPhysicalDevice findHb;

	findHb.Find(KSearchName);

	TFullName name;

	while (findHb.Next(name)==KErrNone)

		{

		_LIT( KFormatStr, "    %S" );

		RDebug::Print( KFormatStr, &name );

		}

	RDebug::Print( _L("\r\n") );

	}

LOCAL_C void ShowDriveCaps( const TLocalDriveCaps& aCaps )

	{

	RDebug::Print( _L("    size=%ld"), aCaps.iSize );

	RDebug::Print( _L("    media type=%d"), aCaps.iType );

	RDebug::Print( _L("    drive attributes=0x%x"), aCaps.iDriveAtt );

	RDebug::Print( _L("    media attributes=0x%x"), aCaps.iMediaAtt );

    RDebug::Print( _L("    base address=0x%x"), aCaps.iBaseAddress );

	_LIT( KFsysUnknown, "Unknown" );

	_LIT( KFsysRom, "ROM" );

	_LIT( KFsysFat, "FAT" );

	_LIT( KFsysLffs, "LFFS" );

	const TDesC* fsType;

	switch( aCaps.iFileSystemId )

		{

		case KDriveFileSysFAT:

			fsType = &KFsysFat;

			break;

		case KDriveFileSysROM:

			fsType = &KFsysRom;

			break;

		case KDriveFileSysLFFS:

			fsType = &KFsysLffs;

			break;

		default:

			fsType = &KFsysUnknown;

			break;

		}

	RDebug::Print( _L("    filesystem id=%S (%d)\r\n"), fsType, aCaps.iFileSystemId );

	}

LOCAL_C void ShowVariantDriveInfo()

	/**

	 * Display drive mapping info from variant/ASSP layers

	 */

	{

	RDebug::Print( _L("Variant drive info...") );

	// Drive info

	TDriveInfoV1Buf driveInfo;

	TInt r=UserHal::DriveInfo(driveInfo);

	if( KErrNone == r )

		{

		RDebug::Print( _L("Total supported drives = %d"), driveInfo().iTotalSupportedDrives );

		}

	else

		{

		RDebug::Print( _L("!! Failed to get drive info (e=%d)"), r );

		}

	// Attempt to open local drives

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

		{

		TBusLocalDrive drive;

		TBool changedFlag = EFalse;

		TInt r = drive.Connect( i, changedFlag );

		if( KErrNone == r )

			{

			RDebug::Print( _L("LocDrive %d: connected"), i );

			TLocalDriveCapsV2Buf caps;

			TInt rv = drive.Caps( caps );

			if( KErrNone == rv )

				{

				ShowDriveCaps( caps() );

				}

			else

				{

				RDebug::Print( _L("    failed to get caps(%d)"), rv );

				}

			}

		else

			{

			RDebug::Print( _L("LocDrive %d: not available(%d)"), r );

			}

		drive.Disconnect();

		}

	RDebug::Print( _L("\r\n") );

	}

LOCAL_C void ShowVolumeInfo( const TVolumeInfo& aInfo )

	{

	RDebug::Print( _L("    media type=%d"), aInfo.iDrive.iType );

	RDebug::Print( _L("    drive attributes=0x%x"), aInfo.iDrive.iDriveAtt );

	RDebug::Print( _L("    media attributes=0x%x"), aInfo.iDrive.iMediaAtt );

	RDebug::Print( _L("    UID=0x%x"), aInfo.iUniqueID );

	RDebug::Print( _L("    size=0x%lx"), aInfo.iSize );

	RDebug::Print( _L("    free=0x%lx"), aInfo.iFree );

	RDebug::Print( _L("    name=%S"), &aInfo.iName );

	}

LOCAL_C void ShowDriveMountInfo()

	/**

	 * Show mounted filesystems

	 */

	{

	RDebug::Print( _L("Scanning drives") );

	RFs fs;

	TInt rv = fs.Connect();

	if( KErrNone != rv )

		{

		RDebug::Print( _L("!! Failed to connect to F32(%d)"), rv );

		return;

		}

	for( TInt i = EDriveA; i <= EDriveZ; i++ )

		{

		RDebug::Print( _L("Drive %c:"), i+'A' );

		TFullName name;

		rv = fs.FileSystemName(name, i);

		if( KErrNone != rv && KErrNotFound != rv)

			{

			RDebug::Print( _L("    !! failed to read filesystem name(%d)"), rv );

			}

		else 

			{

			if (name.Length() != 0)

				{

				RDebug::Print( _L("    FS=%S"), &name );

    			}

			else

				{

				RDebug::Print( _L("    no filesystem") );

				}

			TVolumeInfo volInfo;

			rv = fs.Volume( volInfo, i );

			if( KErrNone == rv )

				{

				ShowVolumeInfo( volInfo );

				}

			else

				{

				RDebug::Print( _L("    !! failed to get volume info(%d)"), rv );

				}

			RDebug::Print( _L("\r\n") );

			}

		}

	fs.Close();

	}

void E32Main()

	{

	RDebug::Print( _L("TF_FSSCAN") );

	ScanPhysicalDeviceDrivers();

	ShowVariantDriveInfo();

	ShowDriveMountInfo();

	RDebug::Print( _L("TF_FSSCAN done") );

	}