filemanager/bkupengine/src/CMMCScBkupIndexSystemData.cpp
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:31:07 +0100
branchRCL_3
changeset 39 65326cf895ed
parent 0 6a9f87576119
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201033 Kit: 201035
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/*
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* Copyright (c) 2005 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: CMMCScBkupIndexSystemData implementation
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*
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*
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*/
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#include "CMMCScBkupIndexSystemData.h"
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// User includes
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#include "MMMCScBkupArchiveDataInterface.h"
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    /**
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     * System Data
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     * ===========
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     * 
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     * This is the format of the data written by the
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     * CMMCScBkupStateArchiveOpSystemData object
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     * 
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     * 
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     *  SYSTEM DATA for DO 0
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     *  {
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     *      SD for DO 0, 1st drive
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     *      SD for DO 0, 2nd drive
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     *      SD for DO 0, 'n'th drive
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     *  },
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     *  SYSTEM DATA for DO 1
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     *  {
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     *      SD for DO 0, 1st drive - (System data is only on
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     *      SD for DO 0, 2nd drive    two drives)
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     *  },
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     *  SYSTEM DATA for DO n
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     *  {
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     *      SD for DO 0, 1st drive - (System Data is only on one drive)
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     *  }
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     * 
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     * System Data Index
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     * =================
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     * 
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     * This is the format of the data written by this object.
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     * The format allows the possibility of a future partial
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     * restore (hopefully).
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     * 
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     * 
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     *  4 bytes = count of system data entries
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     *
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     *  FOR EACH DATA OWNER
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     *  {
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     *      4 bytes = package id associated with a system data owner
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     *      4 bytes = the number of different system data packages
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     *                for this particular system data owner (one for each 
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     *                drive that was backed up)
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     *      ENTRY
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     *      {
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     *          1 byte = Associated TDriveNumber of the system data
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     *          8 bytes = offset & length of actual registration data
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     *      }
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     *  }
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     *
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     *
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     **/
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// ========================= MEMBER FUNCTIONS ================================
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// ---------------------------------------------------------------------------
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// CMMCScBkupIndexSystemData::CMMCScBkupIndexSystemData()
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// 
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// C++ constructor.
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// ---------------------------------------------------------------------------
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CMMCScBkupIndexSystemData::CMMCScBkupIndexSystemData()
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:   CMMCScBkupIndexWithIdentifier< TInt32 >( EMMCScBkupOwnerDataTypeSystemData )
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    {
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    }
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// ---------------------------------------------------------------------------
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// CMMCScBkupIndexSystemData::NewLC()
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// 
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// 
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// ---------------------------------------------------------------------------
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CMMCScBkupIndexSystemData* CMMCScBkupIndexSystemData::NewLC()
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    {
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    CMMCScBkupIndexSystemData* self = new(ELeave) CMMCScBkupIndexSystemData();
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    return self;
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    }
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