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/*
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* Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Main class for UsbMscPersonality
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*
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*/
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#include <centralrepository.h>
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#include <AknSkinsInternalCRKeys.h>
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#include <usbman.h>
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#include <e32property.h>
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#include <tusbpersonalityparams.h>
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#include <startupdomainpskeys.h>
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#include <settingsinternalcrkeys.h>
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#include "CUsbActiveMscHandlerMdrv.h"
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#include "CUsbMscPersonalityTimer.h"
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#include "debug.h"
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#include <featmgr.h> // for checking DE feature
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#include <DevEncSessionBase.h>
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#include <DevEncEngineConstants.h>
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// LITERALS
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_LIT( KMsFs,"MSFS.FSY" );
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_LIT( KMsFsyName, "MassStorageFileSystem" );
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_LIT( KFatFsyName, "Fat" );
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const TUint32 KDismountFatTimeoutValue = 5000000; // 5 seconds
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const TInt KMscDismountRetryCount = 3;
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const TUint32 KWaitMscToComplete = 50000; // 50 ms
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// ============================ MEMBER FUNCTIONS ==============================
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// ----------------------------------------------------------------------------
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// ----------------------------------------------------------------------------
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//
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CUsbActiveMscHandler::CUsbActiveMscHandler(TUsbPersonalityParams& aPersonalityParams)
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: CUsbPersonalityPlugin(aPersonalityParams),
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iMountChanged(EFalse),
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iIsQueryNoteShown(EFalse)
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{
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CActiveScheduler::Add( this );
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}
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// ----------------------------------------------------------------------------
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// Symbian 2nd phase constructor can leave.
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// ----------------------------------------------------------------------------
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//
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void CUsbActiveMscHandler::ConstructL()
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{
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FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler: ConstructL" ) );
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iDismountFatTimer = new (ELeave) CUsbMscPersonalityTimer(
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TCallBack(DismountFatCallBack, this), KDismountFatTimeoutValue);
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iMscState = EUsbMscStateIdle;
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User::LeaveIfError(iFs.Connect());
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iRepository = CRepository::NewL(KCRUidSecuritySettings);
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LoadDevEncSessionL();
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}
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// ----------------------------------------------------------------------------
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// Two-phased constructor.
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// ----------------------------------------------------------------------------
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//
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CUsbActiveMscHandler* CUsbActiveMscHandler::NewL(TUsbPersonalityParams& aPersonalityParams)
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{
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CUsbActiveMscHandler* self
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= new ( ELeave ) CUsbActiveMscHandler(aPersonalityParams);
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CleanupStack::PushL( self );
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self->ConstructL();
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CleanupStack::Pop(); // pop self
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return self;
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}
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// ----------------------------------------------------------------------------
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// Destructor
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// ----------------------------------------------------------------------------
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//
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CUsbActiveMscHandler::~CUsbActiveMscHandler()
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{
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FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::~CUsbActiveMscHandler" ) );
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if ( iMountChanged )
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{
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UnmountMassStorage();
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}
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RemoveMassStorageFileSystem();
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Cancel();
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delete iDismountFatTimer;
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iDrives.Close();
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iFs.Close();
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delete iRepository;
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UnloadDevEncSession();
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}
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// ----------------------------------------------------------------------------
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// State machine for the class.
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// ----------------------------------------------------------------------------
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//
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void CUsbActiveMscHandler::RunL()
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{
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FTRACE( FPrint(
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_L( "[USBWATCHER]\tCUsbActiveMscHandler::RunL error = %d" ),
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iStatus.Int() ) );
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FTRACE( FPrint(
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_L( "[USBWATCHER]\tCUsbActiveMscHandler::RunL iMscState = %d" ),
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iMscState ) );
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switch (iMscState)
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{
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case EUsbMscStateMounting:
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// DismountFatTimer is not exprired but RunL called with error
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if (KErrNone!=iStatus.Int())
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{
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/* Print error code, drive name and wait for timer to be expired expired (5sec)
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* which will call forcibly dismount*/
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if(KErrNone!=iStatus.Int() )
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{
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FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::RunL*** Drive Dismounting failed ") );
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FTRACE( FPrint(
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_L( "[USBWATCHER]\tCUsbActiveMscHandler::RunL*** Dismount failed on DriveIndex= %d" ),
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iDriveIndex));
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FTRACE( FPrint(
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_L( "[USBWATCHER]\tCUsbActiveMscHandler::RunL*** Dismount failed on Drive = %d" ),
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iDrives[iDriveIndex]) );
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}
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}
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else
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{
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//dismount FAT done for one drive
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if (iDismountFatTimer)
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{
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iDismountFatTimer->Cancel();
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}
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StartDismountFat();
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}
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break;
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case EUsbMscStateForciblyDismounting:
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// If Even ForciblyDismount failed with error we cannot do much here, and just print Error message
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if(KErrNone!=iStatus.Int() )
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{
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FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::RunL*** FS has seroius dismounting problem" ) );
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}
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// we change the state and continue with other drives
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iMscState = EUsbMscStateMounting;
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StartDismountFat();
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break;
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default:
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break;
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}
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}
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// ----------------------------------------------------------------------------
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// Not possible to come here.
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// ----------------------------------------------------------------------------
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//
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TInt CUsbActiveMscHandler::RunError( TInt /*aError*/ )
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{
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return KErrNone;
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}
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// ----------------------------------------------------------------------------
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// This method always confirms the personality unloading.
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// ----------------------------------------------------------------------------
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//
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void CUsbActiveMscHandler::ConfirmPersonalityUnload(TRequestStatus& aStatus)
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{
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FTRACE( FPrint(
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_L( "[USBWATCHER]\tCUsbActiveMscHandler: ConfirmPersonalityUnload iMscState = %d" ),
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iMscState ) );
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iRequestStatus = &aStatus;
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aStatus = KRequestPending;
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CompleteRequest(KErrNone);
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}
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// ----------------------------------------------------------------------------
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// Called by personality handler when personality start needs to be
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// prepared. Adds mass storage file system.
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// ----------------------------------------------------------------------------
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//
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void CUsbActiveMscHandler::PreparePersonalityStart(TRequestStatus& aStatus)
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{
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TInt ret = KErrNone;
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FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler: PreparePersonalityStart" ) );
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iRequestStatus = &aStatus;
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aStatus = KRequestPending;
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iMscState = EUsbMscStateStarting;
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ret = AddMassStorageFileSystem();
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CompleteRequest(ret);
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}
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// ----------------------------------------------------------------------------
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// Called by personality handler when personality start needs to be finished.
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// ----------------------------------------------------------------------------
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//
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void CUsbActiveMscHandler::FinishPersonalityStart(TRequestStatus& aStatus)
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{
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FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler: FinishPersonalityStart" ) );
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iRequestStatus = &aStatus;
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aStatus = KRequestPending;
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CompleteRequest(KErrNone);
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}
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// ----------------------------------------------------------------------------
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// Called by personality handler when personality stop needs to be prepared.
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// Changes state of the personality.
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// ----------------------------------------------------------------------------
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//
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void CUsbActiveMscHandler::PreparePersonalityStop(TRequestStatus& aStatus)
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{
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FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler: PreparePersonalityStop" ) );
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//Mounting may be ongoing
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iRequestStatus = NULL; //do not complete in DoCancel
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Cancel();
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iRequestStatus = &aStatus;
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aStatus = KRequestPending;
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iMscState = EUsbMscStateStopping;
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CompleteRequest(KErrNone);
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}
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// ----------------------------------------------------------------------------
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// Called by personality handler when personality stop needs to be finished.
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// ----------------------------------------------------------------------------
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//
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void CUsbActiveMscHandler::FinishPersonalityStop(TRequestStatus& aStatus)
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{
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FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler: FinishPersonalityStop"));
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//Mounting may be ongoing
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iRequestStatus = NULL; //do not complete in DoCancel
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Cancel();
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//unmount in case device state not yet Undefined
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if (iMountChanged)
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{
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UnmountMassStorage();
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}
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RemoveMassStorageFileSystem();
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if (iIsQueryNoteShown)
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{
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// Remove all queries shown by this personality
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iPersonalityParams.PersonalityNotifier().CancelQuery(KQueriesNotifier);
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iIsQueryNoteShown = EFalse;
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}
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iMscState = EUsbMscStateIdle;
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iRequestStatus = &aStatus;
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aStatus = KRequestPending;
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CompleteRequest(KErrNone);
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}
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// ----------------------------------------------------------------------------
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// Indicates USB device state change to personality.
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// There is no need to Cancel, because Confirm unload can not be ongoing
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// before Address state.
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// ----------------------------------------------------------------------------
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//
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void CUsbActiveMscHandler::StateChangeNotify( TUsbDeviceState aState )
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{
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FTRACE( FPrint(
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_L( "[USBWATCHER]\tCUsbActiveMscHandler::StateChangeNotify aState = %d" ),
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aState ) );
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switch( aState )
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{
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//Note that Address state may be caused also by cable disconnection.
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case EUsbDeviceStateAddress:
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{
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//Do not start mounting if already ongoing
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//e.g. fast state changes Address-->Suspended-->Address
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if ( !iMountChanged && (GetDrives() == KErrNone) )
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{
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if (iDrives.Count())
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{
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iDriveIndex = iDrives.Count();
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StartDismountFat();
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}
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else
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{
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if ( GlobalSystemState() == EUsbGSStateCategoryNormal )
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{
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iIsQueryNoteShown = ETrue;
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// if the error is something abnormal, note still needs to be shown
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iQueryParams().iQuery = EUSBStorageMediaFailure;
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iPersonalityParams.PersonalityNotifier().ShowQuery(
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KQueriesNotifier, iQueryParams, iDummy);
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}
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}
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}
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}
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break;
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case EUsbDeviceStateUndefined:
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{
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if (iMountChanged)
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{
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UnmountMassStorage();
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iMscState = EUsbMscStateIdle;
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}
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}
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break;
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default:
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break;
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}
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FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::StateChangeNotify completed"));
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}
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// ----------------------------------------------------------------------------
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// Start FAT dismounting sequence.
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// ----------------------------------------------------------------------------
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//
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void CUsbActiveMscHandler::StartDismountFat()
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{
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FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::StartDismountFat"));
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iMountChanged = ETrue;
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if (!iDriveIndex)
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{
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//FAT dismounted from all the drives
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MountMassStorage();
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//MSFS mounted to all the drives
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iMscState = EUsbMscStateFileTransfer;
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}
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else
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{
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--iDriveIndex;
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FTRACE( FPrint(
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_L( "[USBWATCHER]\tCUsbActiveMscHandler::StartDismountFat iDriveIndex = %d " ),
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iDriveIndex) );
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// see if FAT file system exists in drive and if it does, try to dismount it
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DismountFat(iDrives[iDriveIndex]);
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}
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}
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// ----------------------------------------------------------------------------
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// Add mass storage file system
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// ----------------------------------------------------------------------------
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//
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TInt CUsbActiveMscHandler::AddMassStorageFileSystem()
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{
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FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::AddMassStorageFileSystem"));
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TInt ret = KErrNone;
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// To be done only once during the lifetime of this object:
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// 5b. add Mass Storage File System to the file server.
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// (done like this to avoid Symbian crash)
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if (!iMsfsAdded)
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{
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FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::AddMassStorageFileSystem: Loading MSFS" ) );
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ret = iFs.AddFileSystem(KMsFs);
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if ((ret != KErrNone) && (ret != KErrAlreadyExists))
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{
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FTRACE( FPrint(
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_L( "[USBWATCHER]\tCUsbActiveMscHandler::AddMassStorageFileSystem: ERROR: MSFS loading failed. Code: %d " ),
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ret) );
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}
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else
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{
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iMsfsAdded = ETrue;
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if (ret == KErrAlreadyExists)
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{
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ret = KErrNone;
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}
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}
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}
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FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::AddMassStorageFileSystem: ret=%d"), ret));
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return ret;
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}
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// ----------------------------------------------------------------------------
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// Remove mass storage file system (MSFS) from file server
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// ----------------------------------------------------------------------------
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//
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void CUsbActiveMscHandler::RemoveMassStorageFileSystem()
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{
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FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::RemoveMassStorageFileSystem"));
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if (iMsfsAdded)
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{
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if (iFs.RemoveFileSystem(KMsFsyName) != KErrNone)
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{
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FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler: RemoveMassStorageFileSystem: MSFS not removed from file server." ) );
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}
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else
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{
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iMsfsAdded = EFalse;
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}
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}
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}
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// ----------------------------------------------------------------------------
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// Mount mass storage to all drives. Does not mount in charging state if device
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// locked.
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// ----------------------------------------------------------------------------
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//
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void CUsbActiveMscHandler::MountMassStorage()
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{
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FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::MountMassStorage"));
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TInt ret = KErrNone;
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TBool locked = DeviceLocked();
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TUsbGlobalSystemState state = GlobalSystemState();
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FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::MountMassStorage: locked=%d, state=%d"), locked, state));
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if ( (state == EUsbGSStateCategoryNormal) ||
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(!locked && (state==EUsbGSStateCharging)) )
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|
428 |
{
|
|
429 |
for ( TInt driveIndex = iDrives.Count() - 1; driveIndex >= 0; driveIndex-- )
|
|
430 |
{
|
|
431 |
// Try mount Mass Storage File System into drive.
|
|
432 |
ret = TryMountMassStorage(iDrives[driveIndex]);
|
|
433 |
if (ret != KErrNone)
|
|
434 |
{
|
|
435 |
FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::MountMassStorage: driveIndex=%d ret=%d"),
|
|
436 |
driveIndex, ret));
|
|
437 |
}
|
|
438 |
}
|
|
439 |
}
|
|
440 |
}
|
|
441 |
|
|
442 |
// ----------------------------------------------------------------------------
|
|
443 |
// Return removable drives in system.
|
|
444 |
// ----------------------------------------------------------------------------
|
|
445 |
//
|
|
446 |
TInt CUsbActiveMscHandler::GetDrives()
|
|
447 |
{
|
|
448 |
TInt i;
|
|
449 |
TInt ret = KErrNone;
|
|
450 |
|
|
451 |
// go through drives A-Z except for C and Z
|
|
452 |
TDriveInfo driveInfo;
|
|
453 |
iDrives.Reset();
|
|
454 |
|
|
455 |
for (i = EDriveA; i < EDriveZ; i++)
|
|
456 |
{
|
|
457 |
// skip drive C: and get drive info
|
|
458 |
if ( EDriveC == i )
|
|
459 |
{
|
|
460 |
continue;
|
|
461 |
}
|
|
462 |
|
|
463 |
// unmounting FAT from the card when a decrypting/encrypting operation
|
|
464 |
// is ongoing will corrupt the card, so it must be prevented.
|
|
465 |
if( ( i == EDriveE ) || ( i == EDriveF ) )
|
|
466 |
{
|
|
467 |
if(IsEncProtectionRequired(i))
|
|
468 |
{
|
|
469 |
FTRACE( FPrint( _L(" Skipping drive %d"), i));
|
|
470 |
continue;
|
|
471 |
}
|
|
472 |
}
|
|
473 |
iFs.Drive(driveInfo, i);
|
|
474 |
|
|
475 |
// if drive is not removable and local, it can be skipped
|
|
476 |
if ((driveInfo.iDriveAtt & (KDriveAttRemovable | KDriveAttLocal))
|
|
477 |
!= (KDriveAttRemovable | KDriveAttLocal))
|
|
478 |
{
|
|
479 |
continue;
|
|
480 |
}
|
|
481 |
|
|
482 |
FTRACE( FPrint(
|
|
483 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::GetDrives, removable drive %d: MediaAtt: %d" ),
|
|
484 |
i,driveInfo.iMediaAtt ) );
|
|
485 |
FTRACE( FPrint(
|
|
486 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::GetDrives, removable drive %d: Media info: %d" ),
|
|
487 |
i, driveInfo.iType ) );
|
|
488 |
|
|
489 |
// The memory card may be locked. No memory card password query is shown.
|
|
490 |
|
|
491 |
FTRACE(FPrint(
|
|
492 |
_L("[USBWATCHER]\tCUsbActiveMscHandler::GetDrives: MMC inserted into drive %d"),
|
|
493 |
i) );
|
|
494 |
ret = iDrives.Append(i);
|
|
495 |
}
|
|
496 |
|
|
497 |
if (!iDrives.Count())
|
|
498 |
{
|
|
499 |
FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::GetDrives: No removable drives found." ) );
|
|
500 |
|
|
501 |
iIsQueryNoteShown = ETrue;
|
|
502 |
iQueryParams().iQuery = EUSBStorageMediaFailure;
|
|
503 |
iPersonalityParams.PersonalityNotifier().ShowQuery(KQueriesNotifier, iQueryParams, iDummy);
|
|
504 |
|
|
505 |
return KErrNotFound;
|
|
506 |
}
|
|
507 |
|
|
508 |
return ret;
|
|
509 |
}
|
|
510 |
|
|
511 |
// ----------------------------------------------------------------------------
|
|
512 |
// Dismounts FAT File System.
|
|
513 |
// ----------------------------------------------------------------------------
|
|
514 |
//
|
|
515 |
void CUsbActiveMscHandler::DismountFat( TInt aDrive )
|
|
516 |
{
|
|
517 |
FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::DismountFat" ) );
|
|
518 |
|
|
519 |
//nothing to do if FAT file system not in aDrive
|
|
520 |
if ( GetDriveFileSystem(aDrive) != EFsyFat )
|
|
521 |
{
|
|
522 |
FTRACE( FPrint(
|
|
523 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::DismountFat: FAT FSY not found in drive %d" ),
|
|
524 |
aDrive ) );
|
|
525 |
//continue to the next drive
|
|
526 |
TRequestStatus* status = &iStatus;
|
|
527 |
User::RequestComplete(status, KErrNotFound);
|
|
528 |
SetActive();
|
|
529 |
}
|
|
530 |
else
|
|
531 |
{
|
|
532 |
//FAT file system exists in aDrive -> dismount it
|
|
533 |
iFs.NotifyDismount(iDrives[iDriveIndex], iStatus, EFsDismountNotifyClients);
|
|
534 |
SetActive();
|
|
535 |
|
|
536 |
//Give some time for applications before dismounting forcefully
|
|
537 |
iDismountFatTimer->Start();
|
|
538 |
}
|
|
539 |
|
|
540 |
iMscState = EUsbMscStateMounting;
|
|
541 |
}
|
|
542 |
|
|
543 |
// ----------------------------------------------------------------------------
|
|
544 |
// Mounts Mass Storage File System into drive.
|
|
545 |
// ----------------------------------------------------------------------------
|
|
546 |
//
|
|
547 |
TInt CUsbActiveMscHandler::TryMountMassStorage( TInt aDrive )
|
|
548 |
{
|
|
549 |
FLOG( _L( "[USBWATCHER]\tCUsbActiveMscHandler::TryMountMassStorage" ) );
|
|
550 |
|
|
551 |
TInt ret(KErrNone);
|
|
552 |
|
|
553 |
ret = iFs.MountFileSystem( KMsFsyName, aDrive );
|
|
554 |
FTRACE( FPrint(
|
|
555 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::TryMountMassStorage: fs mount ret %d" ),
|
|
556 |
ret ) );
|
|
557 |
|
|
558 |
if ( ret == KErrNotSupported )
|
|
559 |
{
|
|
560 |
// there is an error in environment and MSFS has been mounted into
|
|
561 |
// drive but mounting has been unsuccessful -> remove it
|
|
562 |
FTRACE( FPrint(
|
|
563 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::TryMountMassStorage: MS FSY not supported in drive %d" ),
|
|
564 |
aDrive ) );
|
|
565 |
return ret;
|
|
566 |
}
|
|
567 |
else if ((ret != KErrNone) && (ret != KErrNotReady))
|
|
568 |
{
|
|
569 |
FTRACE( FPrint(
|
|
570 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::TryMountMassStorage: ERROR %d in MS FSY mounting in drive %d" ),
|
|
571 |
ret, aDrive ) );
|
|
572 |
return ret;
|
|
573 |
}
|
|
574 |
|
|
575 |
FTRACE( FPrint(
|
|
576 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::TryMountMassStorage: MS FSY mounted in drive %d" ),
|
|
577 |
aDrive ) );
|
|
578 |
|
|
579 |
return KErrNone;
|
|
580 |
}
|
|
581 |
|
|
582 |
// ----------------------------------------------------------------------------
|
|
583 |
// Dismounts Mass Storage File System from the drive.
|
|
584 |
// ----------------------------------------------------------------------------
|
|
585 |
//
|
|
586 |
TInt CUsbActiveMscHandler::TryDismountMassStorage( TInt aDrive )
|
|
587 |
{
|
|
588 |
FTRACE( FPrint(
|
|
589 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::TryDismountMassStorage: drive %d" ),
|
|
590 |
aDrive ) );
|
|
591 |
|
|
592 |
// initializations
|
|
593 |
TInt ret = KErrNone;
|
|
594 |
TInt numTry = KMscDismountRetryCount; // How many times to try to dismount the drive
|
|
595 |
|
|
596 |
//only dismount if mass storage mounted
|
|
597 |
if ( GetDriveFileSystem(aDrive) == EFsyMassStorage )
|
|
598 |
{
|
|
599 |
while ( numTry-- )
|
|
600 |
{
|
|
601 |
ret = iFs.DismountFileSystem( KMsFsyName, aDrive );
|
|
602 |
if ( ret != KErrNone )
|
|
603 |
{
|
|
604 |
if ( ret == KErrInUse )
|
|
605 |
{
|
|
606 |
// It may be that USB mass storage transfer is still in use
|
|
607 |
// when USB File transfer mode is tried to be distangled (this
|
|
608 |
// method is entered). Wait for a while and try again.
|
|
609 |
FTRACE( FPrint(
|
|
610 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler: TryDismountMassStorage: Waiting MSFS dismounting for drive %d" ),
|
|
611 |
aDrive ) );
|
|
612 |
RTimer timer;
|
|
613 |
TRequestStatus timerStatus;
|
|
614 |
timer.CreateLocal(); // Create for this thread
|
|
615 |
timer.After(timerStatus, KWaitMscToComplete);
|
|
616 |
User::WaitForRequest( timerStatus );
|
|
617 |
if ( timerStatus != KErrNone )
|
|
618 |
{
|
|
619 |
FTRACE( FPrint(
|
|
620 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::TryDismountMassStorage: ERROR: %d wait timer fails." ),
|
|
621 |
timerStatus.Int() ) );
|
|
622 |
}
|
|
623 |
timer.Close();
|
|
624 |
}
|
|
625 |
else
|
|
626 |
{
|
|
627 |
FTRACE( FPrint(
|
|
628 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler: TryDismountMassStorage: ERROR %d in dismounting MSFS from drive %d" ),
|
|
629 |
ret, aDrive ) );
|
|
630 |
break;
|
|
631 |
}
|
|
632 |
}
|
|
633 |
else
|
|
634 |
{
|
|
635 |
FTRACE( FPrint(
|
|
636 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler: TryDismountMassStorage: MSFS dismounted from drive %d" ),
|
|
637 |
aDrive ) );
|
|
638 |
break;
|
|
639 |
}
|
|
640 |
} //while
|
|
641 |
|
|
642 |
if ( ret == KErrInUse )
|
|
643 |
{
|
|
644 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::TryDismountMassStorage using force"));
|
|
645 |
TRequestStatus dismountStatus;
|
|
646 |
iFs.NotifyDismount(aDrive, dismountStatus, EFsDismountForceDismount);
|
|
647 |
User::WaitForRequest(dismountStatus);
|
|
648 |
ret = dismountStatus.Int();
|
|
649 |
}
|
|
650 |
|
|
651 |
}
|
|
652 |
else
|
|
653 |
{
|
|
654 |
FTRACE( FPrint(
|
|
655 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler: TryDismountMassStorage: No MSFS on drive %d" ),
|
|
656 |
aDrive ) );
|
|
657 |
}
|
|
658 |
|
|
659 |
FTRACE( FPrint(
|
|
660 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::TryDismountMassStorage: returning %d" ),
|
|
661 |
ret ) );
|
|
662 |
return ret;
|
|
663 |
}
|
|
664 |
|
|
665 |
// ----------------------------------------------------------------------------
|
|
666 |
// Mounts FAT File System to the drive
|
|
667 |
// ----------------------------------------------------------------------------
|
|
668 |
//
|
|
669 |
TInt CUsbActiveMscHandler::TryMountFat( TInt aDrive )
|
|
670 |
{
|
|
671 |
FTRACE( FPrint(
|
|
672 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::TryMountFat: drive %d" ),
|
|
673 |
aDrive ) );
|
|
674 |
|
|
675 |
// initializations
|
|
676 |
TInt ret = KErrNone;
|
|
677 |
|
|
678 |
// Mount back FAT only if there is no mounted file system
|
|
679 |
if ( GetDriveFileSystem(aDrive) == EFsyNone )
|
|
680 |
{
|
|
681 |
ret = iFs.MountFileSystem( KFatFsyName, aDrive );
|
|
682 |
|
|
683 |
FTRACE( FPrint(
|
|
684 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler: TryMountFat: return %d in mounting FAT into drive %d" ),
|
|
685 |
ret, aDrive ) );
|
|
686 |
|
|
687 |
if (ret != KErrNone)
|
|
688 |
{
|
|
689 |
FTRACE( FPrint(
|
|
690 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler: TryMountFat: ERROR %d in mounting FAT into drive %d" ),
|
|
691 |
ret, aDrive ) );
|
|
692 |
}
|
|
693 |
else
|
|
694 |
{
|
|
695 |
FTRACE( FPrint(
|
|
696 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler: TryMountFat: FAT mounted into drive %d" ),
|
|
697 |
aDrive ) );
|
|
698 |
}
|
|
699 |
}
|
|
700 |
|
|
701 |
return ret;
|
|
702 |
}
|
|
703 |
|
|
704 |
// ----------------------------------------------------------------------------
|
|
705 |
// Standard active object cancellation function.
|
|
706 |
// ----------------------------------------------------------------------------
|
|
707 |
//
|
|
708 |
void CUsbActiveMscHandler::DoCancel()
|
|
709 |
{
|
|
710 |
FTRACE( FPrint(
|
|
711 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler: DoCancel iMscState=%d" ),
|
|
712 |
iMscState ) );
|
|
713 |
|
|
714 |
//Remove all notes. The state may have changed after the confirm unload
|
|
715 |
//is started.
|
|
716 |
if (iMscState != EUsbMscStateForciblyDismounting)
|
|
717 |
{
|
|
718 |
iPersonalityParams.PersonalityNotifier().CancelAll();
|
|
719 |
}
|
|
720 |
|
|
721 |
switch (iMscState)
|
|
722 |
{
|
|
723 |
case EUsbMscStateStarting:
|
|
724 |
case EUsbMscStateStopping:
|
|
725 |
break;
|
|
726 |
|
|
727 |
case EUsbMscStateMounting:
|
|
728 |
case EUsbMscStateForciblyDismounting:
|
|
729 |
if (iDismountFatTimer)
|
|
730 |
{
|
|
731 |
iDismountFatTimer->Cancel();
|
|
732 |
}
|
|
733 |
iFs.NotifyDismountCancel();
|
|
734 |
break;
|
|
735 |
|
|
736 |
default:
|
|
737 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::DoCancel: ERROR"));
|
|
738 |
break;
|
|
739 |
}
|
|
740 |
|
|
741 |
CompleteRequest(KErrCancel);
|
|
742 |
}
|
|
743 |
|
|
744 |
// ----------------------------------------------------------------------------
|
|
745 |
// Complete request.
|
|
746 |
// ----------------------------------------------------------------------------
|
|
747 |
//
|
|
748 |
void CUsbActiveMscHandler::CompleteRequest(TInt aError)
|
|
749 |
{
|
|
750 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::CompleteRequest"));
|
|
751 |
|
|
752 |
if (iRequestStatus)
|
|
753 |
{
|
|
754 |
User::RequestComplete(iRequestStatus, aError);
|
|
755 |
iRequestStatus = NULL;
|
|
756 |
}
|
|
757 |
}
|
|
758 |
|
|
759 |
// ----------------------------------------------------------------------------
|
|
760 |
// If client doesn't allow us to do dismount, let's force it.
|
|
761 |
// ----------------------------------------------------------------------------
|
|
762 |
//
|
|
763 |
TInt CUsbActiveMscHandler::DismountFatCallBack(TAny* aPtr)
|
|
764 |
{
|
|
765 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::DismountFatCallBack"));
|
|
766 |
|
|
767 |
CUsbActiveMscHandler* handler = static_cast<CUsbActiveMscHandler *>(aPtr);
|
|
768 |
|
|
769 |
handler->ForciblyDismountFat();
|
|
770 |
|
|
771 |
return KErrNone;
|
|
772 |
}
|
|
773 |
|
|
774 |
// ----------------------------------------------------------------------------
|
|
775 |
// Forced dismount is done over here.
|
|
776 |
// ----------------------------------------------------------------------------
|
|
777 |
//
|
|
778 |
void CUsbActiveMscHandler::ForciblyDismountFat()
|
|
779 |
{
|
|
780 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::ForciblyDismountFat"));
|
|
781 |
|
|
782 |
//cancel won't complete, since there is no client request ongoing
|
|
783 |
iMscState = EUsbMscStateForciblyDismounting; //do not close mode query
|
|
784 |
Cancel();
|
|
785 |
FTRACE( FPrint(
|
|
786 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::ForciblyDismountFat DriveIndex= %d" ),
|
|
787 |
iDriveIndex));
|
|
788 |
FTRACE( FPrint(
|
|
789 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler::ForciblyDismountFat on Drive = %d" ),
|
|
790 |
iDrives[iDriveIndex]) );
|
|
791 |
iFs.NotifyDismount(iDrives[iDriveIndex], iStatus, EFsDismountForceDismount);
|
|
792 |
SetActive();
|
|
793 |
}
|
|
794 |
|
|
795 |
|
|
796 |
TUsbGlobalSystemState CUsbActiveMscHandler::GlobalSystemState()
|
|
797 |
{
|
|
798 |
TInt state = EUsbGSStateUnknown;
|
|
799 |
TUsbGlobalSystemState usbGlobalSysState = EUsbGSStateUnknown;
|
|
800 |
TInt error = RProperty::Get( KPSUidStartup, KPSGlobalSystemState, state );
|
|
801 |
FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::GlobalSystemState: error %d, state %d"), error, state));
|
|
802 |
if ( (state == ESwStateNormalRfOn) ||
|
|
803 |
(state == ESwStateNormalRfOff) ||
|
|
804 |
(state == ESwStateNormalBTSap) )
|
|
805 |
{
|
|
806 |
usbGlobalSysState = EUsbGSStateCategoryNormal;
|
|
807 |
}
|
|
808 |
else if ( state == ESwStateCharging )
|
|
809 |
{
|
|
810 |
usbGlobalSysState = EUsbGSStateCharging;
|
|
811 |
}
|
|
812 |
|
|
813 |
return usbGlobalSysState;;
|
|
814 |
}
|
|
815 |
|
|
816 |
|
|
817 |
// ----------------------------------------------------------------------------
|
|
818 |
// Determine whether the device is locked or not
|
|
819 |
// ----------------------------------------------------------------------------
|
|
820 |
//
|
|
821 |
TBool CUsbActiveMscHandler::DeviceLocked()
|
|
822 |
{
|
|
823 |
TBool locked(EFalse);
|
|
824 |
if ( GlobalSystemState() == EUsbGSStateCharging )
|
|
825 |
{
|
|
826 |
if (AutoLockTime()>0 || AutoLockStatus()>0 )
|
|
827 |
{
|
|
828 |
locked=ETrue;
|
|
829 |
}
|
|
830 |
}
|
|
831 |
|
|
832 |
return locked;
|
|
833 |
}
|
|
834 |
|
|
835 |
// ----------------------------------------------------------------------------
|
|
836 |
// Read Lock time settings
|
|
837 |
// Meant to be used only in Charging mode
|
|
838 |
// ----------------------------------------------------------------------------
|
|
839 |
//
|
|
840 |
TInt CUsbActiveMscHandler::AutoLockTime()
|
|
841 |
{
|
|
842 |
TInt lockTime(0);
|
|
843 |
|
|
844 |
TInt ret = iRepository->Get(KSettingsAutoLockTime, lockTime);
|
|
845 |
FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::LockeTime: ret=%d. LockTime=%d"), ret, lockTime));
|
|
846 |
|
|
847 |
return lockTime;
|
|
848 |
}
|
|
849 |
|
|
850 |
// ----------------------------------------------------------------------------
|
|
851 |
// Read Lock status settings
|
|
852 |
// Meant to be used only in Charging mode
|
|
853 |
// ----------------------------------------------------------------------------
|
|
854 |
//
|
|
855 |
TInt CUsbActiveMscHandler::AutoLockStatus()
|
|
856 |
{
|
|
857 |
TInt lockStatus(0);
|
|
858 |
|
|
859 |
TInt ret = iRepository->Get(KSettingsAutolockStatus, lockStatus);
|
|
860 |
FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::AutoLockStatus: ret=%d. lockStatus=%d"), ret, lockStatus));
|
|
861 |
|
|
862 |
return lockStatus;
|
|
863 |
}
|
|
864 |
|
|
865 |
// ----------------------------------------------------------------------------
|
|
866 |
// Unmount mass storage dismounts mass storage and mounts FAT for all drives.
|
|
867 |
// ----------------------------------------------------------------------------
|
|
868 |
//
|
|
869 |
void CUsbActiveMscHandler::UnmountMassStorage()
|
|
870 |
{
|
|
871 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::UnmountMassStorage"));
|
|
872 |
//Mounting may be ongoing. Note that the confirm unload query and the mode
|
|
873 |
//query are closed.
|
|
874 |
Cancel();
|
|
875 |
|
|
876 |
TInt index = iDrives.Count();
|
|
877 |
while ( index > 0 )
|
|
878 |
{
|
|
879 |
--index;
|
|
880 |
TInt drive = iDrives[index];
|
|
881 |
// First dismount mounted Mass Storage File System
|
|
882 |
TryDismountMassStorage(iDrives[index]);
|
|
883 |
// Then mount back previously dismounted FAT File System
|
|
884 |
TryMountFat(iDrives[index]);
|
|
885 |
}
|
|
886 |
iMountChanged = EFalse;
|
|
887 |
}
|
|
888 |
|
|
889 |
// ----------------------------------------------------------------------------
|
|
890 |
// Return the mounted file system.
|
|
891 |
// ----------------------------------------------------------------------------
|
|
892 |
//
|
|
893 |
TUsbFileSystem CUsbActiveMscHandler::GetDriveFileSystem( TInt aDrive )
|
|
894 |
{
|
|
895 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::GetDriveFileSystem"));
|
|
896 |
TUsbFileSystem fileSystem = EFsyNone;
|
|
897 |
TBuf<KMaxFullName> name;
|
|
898 |
TInt err = iFs.FileSystemName( name, aDrive );
|
|
899 |
if ( (err == KErrNone) && (name.Length() > 0) )
|
|
900 |
{
|
|
901 |
|
|
902 |
FTRACE( FPrint(_L( "[USBWATCHER]\tCUsbActiveMscHandler: GetDriveFileSystem: aDrive=%d name=%S" ),
|
|
903 |
aDrive, &name ) );
|
|
904 |
|
|
905 |
if (name.CompareF( KMsFsyName ) == 0)
|
|
906 |
{
|
|
907 |
fileSystem = EFsyMassStorage;
|
|
908 |
}
|
|
909 |
else if (name.CompareF( KFatFsyName ) == 0)
|
|
910 |
{
|
|
911 |
fileSystem = EFsyFat;
|
|
912 |
}
|
|
913 |
}
|
|
914 |
FTRACE( FPrint(
|
|
915 |
_L( "[USBWATCHER]\tCUsbActiveMscHandler: GetDriveFileSystem: filesystem %d on drive %d" ),
|
|
916 |
fileSystem, aDrive ) );
|
|
917 |
|
|
918 |
return fileSystem;
|
|
919 |
}
|
|
920 |
|
|
921 |
// ----------------------------------------------------------------------------
|
|
922 |
// Return whether device encryption is supported or not.
|
|
923 |
// ----------------------------------------------------------------------------
|
|
924 |
//
|
|
925 |
TBool CUsbActiveMscHandler::IsDeviceEncryptionSupportedL()
|
|
926 |
{
|
|
927 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::IsDeviceEncryptionSupportedL >>"));
|
|
928 |
|
|
929 |
TBool ret(EFalse);
|
|
930 |
|
|
931 |
FeatureManager::InitializeLibL();
|
|
932 |
ret = FeatureManager::FeatureSupported(KFeatureIdFfDeviceEncryptionFeature);
|
|
933 |
FeatureManager::UnInitializeLib();
|
|
934 |
|
|
935 |
FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::IsDeviceEncryptionSupportedL, ret = %d <<"), ret));
|
|
936 |
return ret;
|
|
937 |
}
|
|
938 |
|
|
939 |
// ----------------------------------------------------------------------------
|
|
940 |
// Return device encryption info for further protection
|
|
941 |
// ----------------------------------------------------------------------------
|
|
942 |
//
|
|
943 |
TBool CUsbActiveMscHandler::IsEncProtectionRequired(const TInt& aDriveLetter)
|
|
944 |
{
|
|
945 |
TBool ret = ETrue;
|
|
946 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::GetEncProtectionInfo >>"));
|
|
947 |
|
|
948 |
// Is device encryption feature supported?
|
|
949 |
TRAPD( r, ret = ( IsDeviceEncryptionSupportedL() ) );
|
|
950 |
if(r)
|
|
951 |
{
|
|
952 |
ret = EFalse;
|
|
953 |
}
|
|
954 |
|
|
955 |
// Get the enctrytion operation code
|
|
956 |
if(ret)
|
|
957 |
{
|
|
958 |
FLOG(_L("Check drives for busy status"));
|
|
959 |
|
|
960 |
TInt encDriverStatus;
|
|
961 |
|
|
962 |
if(!iDevEncSession)
|
|
963 |
{
|
|
964 |
FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::IsEncProtectionRequired: iDevEncSession is NULL")));
|
|
965 |
User::Panic(_L("[USBWATCHER]DevEncCommonUtil Not Found"), KErrNotSupported);
|
|
966 |
}
|
|
967 |
else
|
|
968 |
{
|
|
969 |
iDevEncSession->SetDrive( (TDriveNumber)aDriveLetter );
|
|
970 |
TInt errCode = iDevEncSession->Connect();
|
|
971 |
if( !errCode )
|
|
972 |
{
|
|
973 |
errCode = iDevEncSession->DiskStatus( encDriverStatus );
|
|
974 |
}
|
|
975 |
iDevEncSession->Close();
|
|
976 |
FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::GetDrives: error %d, state %d"), errCode, encDriverStatus));
|
|
977 |
|
|
978 |
ret = ( ( errCode == KErrNone ) &&
|
|
979 |
( ( encDriverStatus == EEncrypting ) || ( encDriverStatus == EDecrypting ) ) );
|
|
980 |
}
|
|
981 |
}
|
|
982 |
|
|
983 |
FTRACE(FPrint(_L("[USBWATCHER]\tCUsbActiveMscHandler::GetEncProtectionInfo, aDriveLetter= %d, ret= <<"), aDriveLetter,ret));
|
|
984 |
|
|
985 |
return ret;
|
|
986 |
}
|
|
987 |
void CUsbActiveMscHandler::LoadDevEncSessionL()
|
|
988 |
{
|
|
989 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::LoadDevEncSessionL >> "));
|
|
990 |
|
|
991 |
if (!iDevEncSession)
|
|
992 |
{
|
|
993 |
TInt err = iLibrary.Load(KDevEncCommonUtils);
|
|
994 |
if (err != KErrNone)
|
|
995 |
{
|
|
996 |
FTRACE(FPrint(_L("Error in finding the library... %d"), err));
|
|
997 |
return;
|
|
998 |
}
|
|
999 |
TLibraryFunction entry = iLibrary.Lookup(1);
|
|
1000 |
|
|
1001 |
if (!entry)
|
|
1002 |
{
|
|
1003 |
FLOG(_L("Error in loading the library..."));
|
|
1004 |
User::Leave(KErrBadLibraryEntryPoint);
|
|
1005 |
}
|
|
1006 |
iDevEncSession = (CDevEncSessionBase*) entry();
|
|
1007 |
}
|
|
1008 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::LoadDevEncSessionL << "));
|
|
1009 |
}
|
|
1010 |
|
|
1011 |
void CUsbActiveMscHandler::UnloadDevEncSession()
|
|
1012 |
{
|
|
1013 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::UnloadDevEncSession >> "));
|
|
1014 |
|
|
1015 |
if (iDevEncSession)
|
|
1016 |
{
|
|
1017 |
delete iDevEncSession;
|
|
1018 |
iDevEncSession = NULL;
|
|
1019 |
iLibrary.Close();
|
|
1020 |
}
|
|
1021 |
|
|
1022 |
FLOG(_L("[USBWATCHER]\tCUsbActiveMscHandler::UnloadDevEncSession << "));
|
|
1023 |
}
|
|
1024 |
// End of file
|