| author | hgs |
| Mon, 11 Oct 2010 17:54:41 +0100 | |
| changeset 286 | 48e57fb1237e |
| parent 90 | 947f0dc9f7a8 |
| permissions | -rw-r--r-- |
| 0 | 1 |
// Copyright (c) 2004-2009 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 the License "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: |
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// CMassStorageMountCB implementation. |
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// |
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// |
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/** |
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@file |
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@internalTechnology |
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*/ |
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#include <f32fsys.h> |
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#include <f32file.h> |
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#include "drivemanager.h" |
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90
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
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#include "cusbmassstoragecontroller.h" |
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#include "cmassstoragefilesystem.h" |
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#include "cmassstoragemountcb.h" |
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#include "OstTraceDefinitions.h" |
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#ifdef OST_TRACE_COMPILER_IN_USE |
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#include "cmassstoragemountcbTraces.h" |
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#endif |
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CMassStorageMountCB::CMassStorageMountCB(const RArray<TInt>& aDriveMapping) |
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: iDriveMapping(aDriveMapping) |
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{
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} |
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CMassStorageMountCB* CMassStorageMountCB::NewL(const RArray<TInt>& aDriveMapping) |
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{
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return new (ELeave) CMassStorageMountCB(aDriveMapping); |
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} |
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/** |
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Checks that the drive number is supported. |
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@leave KErrNotReady The drive number is not supported. |
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*/ |
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TInt CMassStorageMountCB::CheckDriveNumberL() |
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{
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TInt driveNumber; |
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driveNumber = Drive().DriveNumber(); |
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OstTrace1(TRACE_SMASSSTORAGE_FS, CMASSSTORAGEMOUNTCB_100, |
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"Drive=%d", driveNumber); |
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if (!IsValidLocalDriveMapping(driveNumber)) |
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{
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OstTrace0(TRACE_SMASSSTORAGE_FS, CMASSSTORAGEMOUNTCB_101, |
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"Drive number not supported"); |
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User::Leave(KErrNotReady); |
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} |
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return driveNumber; |
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} |
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/** |
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Registers the drive with the Mass Storage drive manager. |
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@leave KErrNotSupported The drive is not compatible with Mass Storage. |
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*/ |
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void CMassStorageMountCB::MountL(TBool /*aForceMount*/) |
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{
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CheckDriveNumberL(); |
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CMassStorageFileSystem& msFsys = *reinterpret_cast<CMassStorageFileSystem*>(Drive().GetFSys()); |
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TInt lun = DriveNumberToLun(Drive().DriveNumber()); |
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OstTrace1(TRACE_SMASSSTORAGE_FS, CMASSSTORAGEMOUNTCB_120, |
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"LUN=%d", lun); |
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if(lun < 0) |
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{
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// This is not a supported Mass Storage drive |
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User::Leave(KErrNotSupported); |
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} |
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TBusLocalDrive& localDrive = msFsys.iLocalDriveForMediaFlag[lun]; |
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TInt err = CreateLocalDrive(localDrive); |
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User::LeaveIfError(err); |
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CProxyDrive* proxyDrive = LocalDrive(); |
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TLocalDriveCapsV2Buf caps; |
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err = localDrive.Caps(caps); |
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//Make sure file system is FAT and removable |
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if (err == KErrNone) |
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{
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err = KErrNotSupported; |
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if ((caps().iDriveAtt & KDriveAttRemovable) == KDriveAttRemovable) |
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{
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if (caps().iType != EMediaNotPresent) |
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{
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err = KErrNone; |
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} |
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} |
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} |
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if (err != KErrNone && err != KErrNotReady) |
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{
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OstTrace1(TRACE_SMASSSTORAGE_FS, CMASSSTORAGEMOUNTCB_121, |
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"Drive is not compatible with Mass Storage err=%d", err); |
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User::Leave(err); |
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} |
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// Set media changed to true so that Win2K doesn't used cached drive data |
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(*msFsys.iMediaChanged)[lun] = ETrue; |
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msFsys.Controller().DriveManager().RegisterDrive(*proxyDrive, (*msFsys.iMediaChanged)[lun], lun); |
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SetVolumeName(_L("MassStorage").AllocL());
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} |
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/** |
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Returns the LUN that corresponds to the specified drive number. |
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@param aDriveNumber The drive number. |
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*/ |
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TInt CMassStorageMountCB::DriveNumberToLun(TInt aDriveNumber) |
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{
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TInt lun = -1; |
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for (TInt i = 0; i < iDriveMapping.Count(); i++) |
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{
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if (iDriveMapping[i] == aDriveNumber) |
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{
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lun = i; |
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break; |
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} |
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} |
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OstTraceExt2(TRACE_SMASSSTORAGE_FS, CMASSSTORAGEMOUNTCB_130, |
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"Drive %d maps to LUN %d", aDriveNumber, lun); |
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return lun; |
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} |
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/** |
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Deregisters the drive from the Drive Manager. |
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*/ |
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void CMassStorageMountCB::Dismounted() |
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{
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TInt driveNumber = -1; |
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TRAPD(err, driveNumber = CheckDriveNumberL()); |
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if (err != KErrNone) |
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{
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return; |
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} |
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OstTrace1(TRACE_SMASSSTORAGE_FS, CMASSSTORAGEMOUNTCB_140, |
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"Dismounted drive %d", driveNumber); |
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CMassStorageFileSystem& msFsys = *reinterpret_cast<CMassStorageFileSystem*>(Drive().GetFSys()); |
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msFsys.Controller().DriveManager().DeregisterDrive(DriveNumberToLun(driveNumber)); |
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DismountedLocalDrive(); |
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} |
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/** |
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Unlocks the drive with the specified password, optionally storing the password for later use. |
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@param aPassword The password to use for unlocking the drive. |
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@param aStore True if the password is to be stored. |
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*/ |
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TInt CMassStorageMountCB::Unlock(TMediaPassword& aPassword, TBool aStore) |
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{
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TInt driveNumber = -1; |
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TRAPD(err, driveNumber = CheckDriveNumberL()); |
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OstTrace1(TRACE_SMASSSTORAGE_FS, CMASSSTORAGEMOUNTCB_150, |
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"Unlock drive %d", driveNumber); |
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if (err != KErrNone) |
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{
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return err; |
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} |
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TBusLocalDrive& localDrive=GetLocalDrive(driveNumber); |
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if(localDrive.Status() == KErrLocked) |
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{
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localDrive.Status() = KErrNotReady; |
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} |
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TInt r = localDrive.Unlock(aPassword, aStore); |
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if(r == KErrNone && aStore) |
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{
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WritePasswordData(); |
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} |
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return(r); |
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} |
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/** |
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Stores the password for the drive to the password file. |
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*/ |
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void CMassStorageMountCB::WritePasswordData() |
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{
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TBusLocalDrive& local=GetLocalDrive(Drive().DriveNumber()); |
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OstTrace1(TRACE_SMASSSTORAGE_FS, CMASSSTORAGEMOUNTCB_160, |
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"WritePasswordData drive %d", DriveNumber()); |
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TInt length = local.PasswordStoreLengthInBytes(); |
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if(length==0) |
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{
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TBuf<sizeof(KMediaPWrdFile)> mediaPWrdFile(KMediaPWrdFile); |
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mediaPWrdFile[0] = (TUint8) RFs::GetSystemDriveChar(); |
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WriteToDisk(mediaPWrdFile,_L8(""));
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return; |
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} |
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HBufC8* hDes=HBufC8::New(length); |
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if(hDes==NULL) |
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{
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return; |
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} |
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TPtr8 pDes=hDes->Des(); |
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TInt r=local.ReadPasswordData(pDes); |
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if(r==KErrNone) |
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{
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TBuf<sizeof(KMediaPWrdFile)> mediaPWrdFile(KMediaPWrdFile); |
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mediaPWrdFile[0] = (TUint8) RFs::GetSystemDriveChar(); |
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WriteToDisk(mediaPWrdFile,pDes); |
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} |
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delete hDes; |
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} |
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TInt CMassStorageMountCB::ReMount() |
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{
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return KErrNotReady; |
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} |
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void CMassStorageMountCB::VolumeL(TVolumeInfo& /*aVolume*/) const |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::SetVolumeL(TDes& /*aName*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::MkDirL(const TDesC& /*aName*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::RmDirL(const TDesC& /*aName*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::DeleteL(const TDesC& /*aName*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::RenameL(const TDesC& /*anOldName*/,const TDesC& /*anNewName*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::ReplaceL(const TDesC& /*anOldName*/,const TDesC& /*anNewName*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::EntryL(const TDesC& /*aName*/,TEntry& /*anEntry*/) const |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::SetEntryL(const TDesC& /*aName*/,const TTime& /*aTime*/,TUint /*aSetAttMask*/,TUint /*aClearAttMask*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::FileOpenL(const TDesC& /*aName*/,TUint /*aMode*/,TFileOpen /*anOpen*/,CFileCB* /*aFile*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::DirOpenL(const TDesC& /*aName*/,CDirCB* /*aDir*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::RawReadL(TInt64 /*aPos*/,TInt /*aLength*/,const TAny* /*aTrg*/,TInt /*anOffset*/,const RMessagePtr2& /*aMessage*/) const |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::RawWriteL(TInt64 /*aPos*/,TInt /*aLength*/,const TAny* /*aSrc*/,TInt /*anOffset*/,const RMessagePtr2& /*aMessage*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::GetShortNameL(const TDesC& /*aLongName*/,TDes& /*aShortName*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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void CMassStorageMountCB::GetLongNameL(const TDesC& /*aShorName*/,TDes& /*aLongName*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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#if defined(_DEBUG) |
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TInt CMassStorageMountCB::ControlIO(const RMessagePtr2& aMessage,TInt aCommand,TAny* aParam1,TAny* aParam2) |
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// |
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// Debug function |
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// |
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{
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if(aCommand>=(KMaxTInt/2)) |
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return LocalDrive()->ControlIO(aMessage,aCommand-(KMaxTInt/2),aParam1,aParam2); |
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else |
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return KErrNotSupported; |
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} |
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#else |
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TInt CMassStorageMountCB::ControlIO(const RMessagePtr2& /*aMessage*/,TInt /*aCommand*/,TAny* /*aParam1*/,TAny* /*aParam2*/) |
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{return(KErrNotSupported);}
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#endif |
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void CMassStorageMountCB::ReadSectionL(const TDesC& /*aName*/,TInt /*aPos*/,TAny* /*aTrg*/,TInt /*aLength*/,const RMessagePtr2& /*aMessage*/) |
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{
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User::Leave(KErrNotReady); |
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} |
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