--- a/filemanager/src/fmbkupengine/src/CMMCScBkupArchiveFooter.cpp Tue Aug 31 15:06:05 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,342 +0,0 @@
-/*
-* Copyright (c) 2005 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: CMMCScBkupArchiveFooter Implementation
-*
-*
-*/
-
-#include "CMMCScBkupArchiveFooter.h"
-
-// User includes
-#include "CMMCScBkupIndexPublicDataFiles.h"
-#include "CMMCScBkupIndexDataOwners.h"
-#include "CMMCScBkupIndexJavaData.h"
-#include "CMMCScBkupIndexSystemData.h"
-#include "CMMCScBkupIndexActiveData.h"
-#include "CMMCScBkupIndexJavaData.h"
-#include "CMMCScBkupIndexPassiveData.h"
-#include "MMMCScBkupArchiveDataInterface.h"
-#include "CMMCScBkupDataOwnerInfo.h"
-#include "MMCScBkupArchiveUtils.h"
-#include "CMMCScBkupDataOwnerCollection.h"
-
-/**
-
- UNDERSTANDING ARCHIVE FOOTER
- ============================
-
- // Indicies are:
- //
- // EMMCScBkupOwnerDataTypeDataOwner
- // EMMCScBkupOwnerDataTypeJavaData
- // EMMCScBkupOwnerDataTypePublicData
- // EMMCScBkupOwnerDataTypeSystemData
- // EMMCScBkupOwnerDataTypeActiveData
- // EMMCScBkupOwnerDataTypePassiveData
- //
- // 6 (index objects) *
- // ( 1 byte for object type + TMMCScBkupArchiveVector::ExternalizedSize() )
- //
-
- // THIS IS THE SIZE OF AN INDIVIDUAL "INDEX RECORD POINTER"
- const TInt indexDataSize = 1 // index type
- + TMMCScBkupArchiveVector::ExternalizedSize() // vector
- + 4 // spare1
- + 4 // spare2
- ;
-
- // THIS IS THE TOTAL SIZE OF ALL "INDEX RECORD POINTERS"
- const TInt sizeOfAllIndicies =
- 4 // stream format version
- + 4 // spare1
- + 4 // spare2
- + 4 // spare3
- + 4 // spare4
- + 4 // index object count
- + ( EMMCScBkupOwnerDataTypeCount * indexDataSize);
-
- // WE ALSO WRITE THE AMOUNT OF DISK SPACE REQUIRED FOR EACH DRIVE
- // IN ORDER TO RESTORE THE ARCHIVE
-
- (not included here)
-*/
-
-
-// ========================= MEMBER FUNCTIONS ================================
-
-// ---------------------------------------------------------------------------
-// CMMCScBkupArchiveFooter::CMMCScBkupArchiveFooter()
-//
-// C++ constructor.
-// ---------------------------------------------------------------------------
-CMMCScBkupArchiveFooter::CMMCScBkupArchiveFooter( MMMCScBkupArchiveDataInterface& aDataInterface, MMMCScBkupDriver& aDriver )
-: iDataInterface( aDataInterface ), iDriver( aDriver )
- {
- }
-
-
-// ---------------------------------------------------------------------------
-// CMMCScBkupArchiveFooter::~CMMCScBkupArchiveFooter()
-//
-// Destructor.
-// ---------------------------------------------------------------------------
-CMMCScBkupArchiveFooter::~CMMCScBkupArchiveFooter()
- {
- iIndicies.Close();
- }
-
-
-// ---------------------------------------------------------------------------
-// CMMCScBkupArchiveFooter::ConstructL()
-//
-//
-// ---------------------------------------------------------------------------
-void CMMCScBkupArchiveFooter::ConstructL()
- {
- CMMCScBkupIndexBase* index = NULL;
- //
- index = CMMCScBkupIndexDataOwners::NewLC();
- iIndicies.AppendL(index);
- CleanupStack::Pop(index);
- //
- index = CMMCScBkupIndexPublicDataFiles::NewLC();
- iIndicies.AppendL(index);
- CleanupStack::Pop(index);
- //
- index = CMMCScBkupIndexSystemData::NewLC();
- iIndicies.AppendL(index);
- CleanupStack::Pop(index);
- //
- index = CMMCScBkupIndexJavaData::NewLC();
- iIndicies.AppendL(index);
- CleanupStack::Pop(index);
- //
- index = CMMCScBkupIndexActiveData::NewLC();
- iIndicies.AppendL(index);
- CleanupStack::Pop(index);
- //
- index = CMMCScBkupIndexPassiveData::NewLC();
- iIndicies.AppendL(index);
- CleanupStack::Pop(index);
- }
-
-
-// ---------------------------------------------------------------------------
-// CMMCScBkupArchiveFooter::NewL()
-//
-//
-// ---------------------------------------------------------------------------
-CMMCScBkupArchiveFooter* CMMCScBkupArchiveFooter::NewL( MMMCScBkupArchiveDataInterface& aDataInterface, MMMCScBkupDriver& aDriver )
- {
- CMMCScBkupArchiveFooter* self = new(ELeave) CMMCScBkupArchiveFooter( aDataInterface, aDriver );
- CleanupStack::PushL(self);
- self->ConstructL();
- CleanupStack::Pop(self);
- return self;
- }
-
-
-// ---------------------------------------------------------------------------
-// CMMCScBkupArchiveFooter::IndexByType()
-//
-//
-// ---------------------------------------------------------------------------
-CMMCScBkupIndexBase& CMMCScBkupArchiveFooter::IndexByType( TMMCScBkupOwnerDataType aType )
- {
- CMMCScBkupIndexBase* ret = IndexByTypeOrNull( aType );
- __ASSERT_ALWAYS(ret != NULL, User::Invariant());
- return *ret;
- }
-
-
-// ---------------------------------------------------------------------------
-// CMMCScBkupArchiveFooter::IndexByTypeOrNull()
-//
-//
-// ---------------------------------------------------------------------------
-CMMCScBkupIndexBase* CMMCScBkupArchiveFooter::IndexByTypeOrNull( TMMCScBkupOwnerDataType aType )
- {
- CMMCScBkupIndexBase* ret = NULL;
- //
- const TInt count = iIndicies.Count();
- for(TInt i=0; i<count; i++)
- {
- CMMCScBkupIndexBase* entry = iIndicies[i];
- if (entry->Type() == aType)
- {
- ret = entry;
- break;
- }
- }
- //
- return ret;
- }
-
-
-// ---------------------------------------------------------------------------
-// CMMCScBkupArchiveFooter::StoreL()
-//
-//
-// ---------------------------------------------------------------------------
-void CMMCScBkupArchiveFooter::StoreL()
- {
- RWriteStream stream( iDataInterface.ADIWriteStreamUncompressedLC() );
- //
- const TInt count = iIndicies.Count();
- __ASSERT_DEBUG( count == EMMCScBkupOwnerDataTypeCount, User::Invariant());
-
- // NEW: write index version
- stream.WriteInt32L( EStreamFormatVersion1 );
-
- // NEW: spare1, spare2, spare3, spare4
- stream.WriteInt32L( 0 );
- stream.WriteInt32L( 0 );
- stream.WriteInt32L( 0 );
- stream.WriteInt32L( 0 );
-
- // NEW: write the number of indicies...
- stream.WriteInt32L( count );
-
- // ...then write each index in turn...
- for(TInt i=0; i<count; i++)
- {
- // First write the index type...
- const CMMCScBkupIndexBase& index = *iIndicies[i];
- stream.WriteInt8L( index.Type() );
-
- // Then write its offset (and length)
- const TMMCScBkupArchiveVector& vector = index.Vector();
- stream << vector;
-
- // NEW: Then write spare bytes for each index record
- stream.WriteInt32L( 0 ); // per-index spare1
- stream.WriteInt32L( 0 ); // per-index spare2
- }
-
- // NEW: write the amount of disk space required for each drive as
- // part of the footer information
- CMMCScBkupDataOwnerCollection& dataOwners = iDriver.DrvDataOwners();
- dataOwners.CalculateDiskSpaceRequiredForRestoreL();
- stream << dataOwners;
-
- // Tidy up...
- stream.CommitL();
- CleanupStack::PopAndDestroy(); // stream
-
-#ifdef RD_FILE_MANAGER_BACKUP
- // Disable crc-calculation for header data. Header crc'd separately
- iDataInterface.ADIActivateCrcCalculation(EFalse);
-#endif
-
- // We can now update the header with the total length of the footer, validation bits and crcs
- const TMMCScBkupArchiveVector& finalWriteInfo = iDataInterface.ADICurrentArchiveVectorInfo();
- MMCScBkupArchiveUtils::SetFooterLengthL( iDataInterface.ADIRawArchiveFile(), finalWriteInfo.Length() );
- MMCScBkupArchiveUtils::SetArchiveContentAsValidL( iDataInterface.ADIRawArchiveFile() );
-#ifdef RD_FILE_MANAGER_BACKUP
- MMCScBkupArchiveUtils::SetArchiveCrcsL( iDataInterface.ADIRawArchiveFile(), iDataInterface.ADIArchiveCrc() );
-#endif
- }
-
-
-// ---------------------------------------------------------------------------
-// CMMCScBkupArchiveFooter::RestoreL()
-//
-//
-// ---------------------------------------------------------------------------
-void CMMCScBkupArchiveFooter::RestoreL( TInt aCalculatedFooterOffsetWithinArchive )
- {
- RReadStream stream( iDataInterface.ADIReadStreamUncompressedLC( aCalculatedFooterOffsetWithinArchive ) );
-
- // NEW: Read stream format
- stream.ReadInt32L(); // EStreamFormatVersion1
-
- // NEW: spare1, spare2, spare3, spare4
- stream.ReadInt32L();
- stream.ReadInt32L();
- stream.ReadInt32L();
- stream.ReadInt32L();
-
- // NEW: Read written index count
- const TInt inMemoryIndexCount = iIndicies.Count();
- const TInt archiveIndexCount = stream.ReadInt32L();
- if ( archiveIndexCount > inMemoryIndexCount )
- {
- // Something wrong with file format version info?
- User::Leave( KErrCorrupt );
- }
-
- // Read index offsets
- for(TInt i=0; i<archiveIndexCount; i++)
- {
- // We only read the offset & length information.
- // The actual respective index restoration is done by other
- // objects as a result of other states
- const TMMCScBkupOwnerDataType type = static_cast< TMMCScBkupOwnerDataType >( stream.ReadInt8L() );
- //
- if ( type < 0 || type >= EMMCScBkupOwnerDataTypeCount )
- {
- User::Leave( KErrCorrupt );
- }
- else
- {
- // Always read the vector info (in order to keep the stream
- // position inline with the externalised representation)
- TMMCScBkupArchiveVector vector;
- stream >> vector;
-
- // NEW: Then read spare bytes for each index record
- stream.ReadInt32L(); // per-index spare1
- stream.ReadInt32L(); // per-index spare2
-
- // But only prepare the index if we have a similar type..
- CMMCScBkupIndexBase* index = IndexByTypeOrNull( type );
- //
- if ( index )
- {
- index->SetVector( vector );
- }
-
- }
- }
-
- // NEW: read the amount of disk space required for each drive as
- // part of the footer information
- CMMCScBkupDataOwnerCollection& dataOwners = iDriver.DrvDataOwners();
- stream >> dataOwners;
-
- //
- CleanupStack::PopAndDestroy(); // stream
- }
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