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/*
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* Copyright (c) 2007 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: This class is responsible for managing all database access
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* databases.
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*
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*/
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// INCLUDE FILES
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#include <sqldb.h>
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#include <badesca.h>
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#include <f32file.h>
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// PREQ2536 the files sqlrowsetutil.h and sqlrowsetutil.cpp has been removed
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//#ifdef __WINSCW__
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//#include <sqlrowsetutil.h>
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//#endif
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#include <sysutil.h>
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#ifdef __RAMDISK_PERF_ENABLE
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#include <centralrepository.h>
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#include <bautils.h>
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#include <mpxinternalcrkeys.h>
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#endif //__RAMDISK_PERF_ENABLE
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#include <mpxlog.h>
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#include "mpxdbcommondef.h"
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#include "mpxtable.h"
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#include "mpxdbmanager.h"
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// CONSTANTS
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// Version of Database
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const TInt KMPXDbVersion[] = {6,0,0};
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_LIT8( KMCSqlConfig, "cache_size=1024; page_size=16384; " );
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_LIT(KSecureFilePath, "%S[%x]%S");
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_LIT(KRootDrive, "C:");
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_LIT(KAliasName, "%1SDrive");
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_LIT(KBeginTransaction, "BEGIN TRANSACTION");
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_LIT(KCommitTransaction, "COMMIT TRANSACTION");
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_LIT(KRollbackTransaction, "ROLLBACK TRANSACTION");
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_LIT(KOrderByToken, "ORDER BY");
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_LIT(KDBNameToken, ":dbname");
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_LIT(KPlDBNameToken, ":pldbname");
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_LIT(KUnionAllToken, " UNION ALL ");
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_LIT(KSelectToken, "SELECT");
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//for database deletion
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_LIT( KDBFilePath, "\\private\\10281e17\\" );
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_LIT( KDBFilePattern, "*.db*" );
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#ifdef _DEBUG
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_LIT(KTableQuery, "SELECT * FROM %S");
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_LIT(KAttachedTableQuery, "SELECT * FROM :dbname.%S");
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_LIT(KFindAllCDriveTablesQuery, "SELECT name FROM sqlite_master WHERE type = 'table' ORDER BY name");
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_LIT(KFindAllAttachedTablesQuery, "SELECT name FROM :dbname.sqlite_master WHERE type = 'table' ORDER BY name");
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_LIT(KNameColumn, "name");
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#endif
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const TInt KMaxLogQuery = 248;
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const TInt KBufIncrement = 10;
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#ifdef __RAMDISK_PERF_ENABLE
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_LIT(KSecurePath, "[%x]%S");
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_LIT(KRAMAliasName, "%S");
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_LIT( KDummyDbFile, "%c:\\private\\10281e17\\dummydb.dat" );
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const TInt64 KMPMegaByte = 1048576;
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const TInt64 KMPEstimatedSongInBytes = KMPMegaByte * 2;
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const TInt KMPEstimatedSizePerDBEntry = 3000; // worst scenario, can be lower if needed
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const TInt KMPMinimumRAMSizeToRun = 6 * KMPMegaByte;
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// if RAM is lower than 5MB, doesn't seem enough for SQL as well.
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// so we set this number to move back DBs before being kicked out
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#endif //__RAMDISK_PERF_ENABLE
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// Used to suppress overflow when appending formatted text to a buffer.
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class TOverflowHandle :
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public TDesOverflow
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{
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public:
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TOverflowHandle() :
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iFlag(EFalse)
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{
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}
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virtual void Overflow(TDes& /* aDes */)
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{
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iFlag = ETrue;
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return;
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}
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TBool GetOverflowFlag()
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{
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TBool flag(iFlag);
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iFlag = EFalse;
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return flag;
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}
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protected:
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TBool iFlag;
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};
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// ============================ MEMBER FUNCTIONS ==============================
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// ----------------------------------------------------------------------------
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// Constructor
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// ----------------------------------------------------------------------------
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//
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EXPORT_C CMPXDbManager::CMPXDbManager(
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RFs& aFs) :
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iFs(aFs),
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iRAMDiskPerfEnabled(EFalse),
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iMaximumAllowedRAMDiskSpaceToCopy(0),
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iRAMInUse(EFalse)
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{
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MPX_FUNC("CMPXDbManager::CMPXDbManager");
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}
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// ----------------------------------------------------------------------------
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// Second phase constructor.
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// ----------------------------------------------------------------------------
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//
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EXPORT_C void CMPXDbManager::ConstructL(
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const TFileName& aDatabaseFile)
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{
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MPX_FUNC("CMPXDbManager::ConstructL");
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iDbFile = aDatabaseFile.AllocL();
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#ifdef __RAMDISK_PERF_ENABLE
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TInt flags( 0 );
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CRepository* repository = CRepository::NewLC( KCRUidMPXMPFeatures );
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User::LeaveIfError( repository->Get( KMPXMPLocalVariation, flags ));
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MPX_DEBUG2("CMPXDbManager::ConstructL KMPXMPLocalVariation %d", flags);
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iRAMDiskPerfEnabled = static_cast<TBool>( flags & KMPXEnableRAMDisk );
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TInt temp;
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User::LeaveIfError( repository->Get( KMAXAllowedDiskSpaceToCopy, temp) );
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iMaximumAllowedRAMDiskSpaceToCopy = temp * KMPMegaByte;
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CleanupStack::PopAndDestroy(repository);
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if ( iRAMDiskPerfEnabled )
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{
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MPX_DEBUG1("CMPXDbManager::ConstructL RAMDisk performance is enabled.");
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MPX_DEBUG2("CMPXDbManager::ConstructL RAMDisk iMaximumAllowedRAMDiskSpaceToCopy=%Lu", iMaximumAllowedRAMDiskSpaceToCopy);
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if ( GetRAMDiskPath() != KErrNone )
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{
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// Error finding ram drive, disable ram disk
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iRAMDiskPerfEnabled = EFalse;
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}
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}
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else
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{
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MPX_DEBUG2("CMPXDbManager::ConstructL RAMDisk performance is NOT enabled flag=%d", flags);
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MPX_DEBUG2("CMPXDbManager::ConstructL RAMDisk iMaximumAllowedRAMDiskSpaceToCopy=%Lu", iMaximumAllowedRAMDiskSpaceToCopy);
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}
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#endif //__RAMDISK_PERF_ENABLE
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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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EXPORT_C CMPXDbManager::~CMPXDbManager()
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{
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MPX_FUNC("CMPXDbManager::~CMPXDbManager");
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// Close the state array
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iPreparedStatements.Close();
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// Close and destroy all RSQLStatements
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TInt c( iStatements.Count() );
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for( TInt i=0; i<c; ++i )
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{
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iStatements[i]->Close();
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}
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iStatements.ResetAndDestroy();
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iTables.Close();
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CloseAllDatabases();
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delete iDbFile;
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iDatabaseHandles.Close();
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}
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// ----------------------------------------------------------------------------
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// Checks if all databases have been initialized.
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// ----------------------------------------------------------------------------
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//
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EXPORT_C TBool CMPXDbManager::IsInitialized()
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{
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MPX_FUNC("CMPXDbManager::IsInitialized");
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return iInitialized;
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}
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// ----------------------------------------------------------------------------
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// Begins a transaction on all databases.
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// ----------------------------------------------------------------------------
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//
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EXPORT_C void CMPXDbManager::BeginL()
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{
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MPX_FUNC("CMPXDbManager::BeginL");
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ASSERT(iTransactionCount >= 0);
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if (++iTransactionCount == 1)
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{
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DoBeginL();
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}
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}
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void CMPXDbManager::DoBeginL()
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{
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MPX_FUNC("CMPXDbManager::DoBeginL");
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TInt err = iDatabase.Exec(KBeginTransaction);
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// transforms SQL error to KErrNotReady
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if( (err <= KSqlErrGeneral && err >= KSqlErrNotDb) || err == KSqlErrStmtExpired )
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{
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User::Leave(KErrNotReady);
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}
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else
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{
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User::LeaveIfError(err);
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}
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}
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// ----------------------------------------------------------------------------
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// Copy all DBs to RAM disk
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// ----------------------------------------------------------------------------
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//
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EXPORT_C void CMPXDbManager::CopyDBsToRamL( TBool aIsMTPInUse )
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{
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#ifdef __RAMDISK_PERF_ENABLE
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MPX_DEBUG1("-->CMPXDbManager::CopyDBsToRamL");
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if( iRAMDiskPerfEnabled )
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{
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if ( !IsRamDiskSpaceAvailable() )
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{
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return;
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}
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// Check if we are over the allowed ram space.
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TInt dbSize=0;
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TInt err = GetTotalDatabasesSize(dbSize);
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if ( err || (dbSize > iMaximumAllowedRAMDiskSpaceToCopy) )
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{
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MPX_DEBUG2("<--CMPXDbManager::CopyDBsToRamL Over the allowed Ram disk limit %Lu", iMaximumAllowedRAMDiskSpaceToCopy );
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return;
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}
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TInt transactionCount = iTransactionCount;
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if (iTransactionCount > 0)
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{
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iTransactionCount = 0;
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DoCommitL();
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}
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TInt count(iDatabaseHandles.Count());
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for ( TInt i = 0; i < count ; ++i )
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{
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if ( ! iDatabaseHandles[i].iOpen )
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{
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MPX_DEBUG1("CMPXDbManager::CopyDBsToRamL DB not open (assuming drive is not present)");
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continue;
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}
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if ( iDatabaseHandles[i].iUseRAMdb )
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{
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// already used
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MPX_DEBUG1("CMPXDbManager::CopyDBsToRamL iUseRAMdb already ETrue");
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continue;
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}
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CloseDatabaseAtIndexL( i ); // let leave: not much we can do if we can't close the original DB
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DoCopyDBToRam( i, aIsMTPInUse ); // copies if it can
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TRAPD( err, OpenDatabaseAtIndexL( i ) );
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if ( err != KErrNone )
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{
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MPX_DEBUG2("CMPXDbManager::CopyDBsToRamL OpenDatabaseAtIndexL leave=%d", err);
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RemoveDummyFile(i);
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if ( iDatabaseHandles[i].iUseRAMdb )
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{
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// go back to disk DB
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TRAP_IGNORE(CloseDatabaseAtIndexL( i ));
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iDatabaseHandles[i].iUseRAMdb = EFalse;
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OpenDatabaseAtIndexL( i );
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continue;
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}
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else
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{
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User::Leave( err );
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}
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}
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}
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if (transactionCount > 0)
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{
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DoBeginL();
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iTransactionCount = transactionCount;
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}
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}
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iRAMInUse = ETrue;
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MPX_DEBUG1("<--CMPXDbManager::CopyDBsToRamL");
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#endif //__RAMDISK_PERF_ENABLE
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}
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// ----------------------------------------------------------------------------
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// CMPXDbManager::DoCopyDBToRam
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// ----------------------------------------------------------------------------
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//
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TBool CMPXDbManager::DoCopyDBToRam( TInt aIndex, TBool aIsMTPInUse )
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{
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#ifdef __RAMDISK_PERF_ENABLE
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MPX_DEBUG2("-->CMPXDbManager::DoCopyDBsToRam drive=%d", (TInt)iDatabaseHandles[aIndex].iDrive);
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DatabaseHandle& database = iDatabaseHandles[aIndex];
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TInt err = KErrNone;
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delete database.iOrigFullFilePath;
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database.iOrigFullFilePath = 0;
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delete database.iTargetFullFilePath;
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database.iTargetFullFilePath = 0;
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TRAP (err,
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database.iOrigFullFilePath = CreateFullFilenameL( database.iDrive );
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database.iUseRAMdb = ETrue; // must turn this on to create RAM filename
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database.iTargetFullFilePath = CreateFullFilenameL( database.iDrive );
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BaflUtils::EnsurePathExistsL( iFs, *database.iTargetFullFilePath ));
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database.iUseRAMdb = EFalse;
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if (err != KErrNone)
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{
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MPX_DEBUG1("CMPXDbManager::DoCopyDBsToRamL() CreateFilenameL or EnsurePathExistsL failed");
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return EFalse;
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}
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MPX_DEBUG2("RAMDisk src path=%S", database.iOrigFullFilePath);
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MPX_DEBUG2("RAMDisk dst path=%S", database.iTargetFullFilePath);
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if (!BlockDiskSpace( aIndex, aIsMTPInUse ) )
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{
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MPX_DEBUG1("CMPXDbManager::DoCopyDBsToRamL() BlockDiskSpace failed");
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return EFalse; // continue for next drive
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}
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if ( BaflUtils::CopyFile(iFs, *database.iOrigFullFilePath, *database.iTargetFullFilePath ) != KErrNone )
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{
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RemoveDummyFile( aIndex );
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return EFalse;
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}
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MPX_DEBUG2("RAMDisk Database copied=%d", (TInt)database.iDrive);
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database.iUseRAMdb = ETrue; // succeeded moving DB to RAM
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MPX_DEBUG1("<--CMPXDbManager::DoCopyDBsToRamL");
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return ETrue;
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#else
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return EFalse;
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#endif //__RAMDISK_PERF_ENABLE
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}
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// ----------------------------------------------------------------------------
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// Copy all DBs from RAM disk back to normal drives
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// ----------------------------------------------------------------------------
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//
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EXPORT_C void CMPXDbManager::CopyDBsFromRamL()
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{
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MPX_FUNC("CMPXDbManager::CopyDBsFromRamL");
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#ifdef __RAMDISK_PERF_ENABLE
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if( iRAMDiskPerfEnabled )
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{
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TInt transactionCount = iTransactionCount;
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if (iTransactionCount > 0)
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{
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iTransactionCount = 0;
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TRAP_IGNORE( DoCommitL() );
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}
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TInt count(iDatabaseHandles.Count());
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TInt leaveError = KErrNone;
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iRAMInUse = EFalse;
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// Should not leave until all the databases have been copied from RAM drive.
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for (TInt i = 0; i < count; ++i)
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{
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if ( !iDatabaseHandles[i].iUseRAMdb )
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{
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continue;
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}
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TRAPD( error, CloseDatabaseAtIndexL( i ) );
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if ( error )
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{
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// Can't close db on RAM drive, so cleanup.
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MPX_DEBUG2("CMPXDbManager::CopyDBsFromRamL CloseDatabaseAtIndexL fail: error = %d", error);
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// Delete database on RAM drive.
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BaflUtils::DeleteFile(iFs, *iDatabaseHandles[i].iTargetFullFilePath);
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// Delete dummy file
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RemoveDummyFile(i);
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}
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else
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{
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DoCopyDBFromRam(i);
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}
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iDatabaseHandles[i].iUseRAMdb = EFalse;
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// open db from drive
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TRAP( error, OpenDatabaseAtIndexL( i ) );
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if ( error && !leaveError )
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{
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leaveError = error;
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}
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}
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|
|
420 |
// leave if error
|
|
421 |
User::LeaveIfError(leaveError);
|
|
422 |
|
|
423 |
if (transactionCount > 0)
|
|
424 |
{
|
|
425 |
DoBeginL();
|
|
426 |
iTransactionCount = transactionCount;
|
|
427 |
}
|
|
428 |
}
|
|
429 |
#endif //__RAMDISK_PERF_ENABLE
|
|
430 |
}
|
|
431 |
|
|
432 |
|
|
433 |
// ----------------------------------------------------------------------------
|
|
434 |
// CMPXDbManager::DoCopyDBsToRam
|
|
435 |
// ----------------------------------------------------------------------------
|
|
436 |
//
|
|
437 |
void CMPXDbManager::DoCopyDBFromRam( TInt aIndex )
|
|
438 |
{
|
|
439 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
440 |
MPX_DEBUG1("-->CMPXDbManager::DoCopyDBsFromRam");
|
|
441 |
DatabaseHandle& database = iDatabaseHandles[aIndex];
|
|
442 |
|
|
443 |
//Copy Db from RAM to replace dummy file
|
|
444 |
TRAPD(error, ReplaceFileL( *database.iTargetFullFilePath, database.iDummyFilePath));
|
|
445 |
MPX_DEBUG2("CMPXDbManager::CopyDBsFromRam RAMDisk copied over dummy, error=%d", error);
|
|
446 |
|
|
447 |
// done with RAM DB (whether copying succeeded or not) so can delete it
|
|
448 |
// can ignore errors since we cannot do anything if this fails
|
|
449 |
BaflUtils::DeleteFile(iFs, *database.iTargetFullFilePath);
|
|
450 |
MPX_DEBUG1("CMPXDbManager::DoCopyDBsFromRam RAM DB deleted");
|
|
451 |
|
|
452 |
if ( error == KErrNone )
|
|
453 |
{
|
|
454 |
// Delete old DB on drive
|
|
455 |
// Can ignore error: either original does not exist or something is wrong and can't help it
|
|
456 |
BaflUtils::DeleteFile(iFs, *database.iOrigFullFilePath);
|
|
457 |
MPX_DEBUG1("CMPXDbManager::DoCopyDBsFromRam old DB on drive deleted");
|
|
458 |
|
|
459 |
// Rename dummy file to be original file name
|
|
460 |
error = BaflUtils::RenameFile(iFs, database.iDummyFilePath, *database.iOrigFullFilePath);
|
|
461 |
MPX_DEBUG2("CMPXDbManager::CopyDBsFromRam dummy file renamed, error=%d", error);
|
|
462 |
if ( error )
|
|
463 |
{
|
|
464 |
// Error renaming dummy file, delete dummy file.
|
|
465 |
RemoveDummyFile(aIndex);
|
|
466 |
}
|
|
467 |
}
|
|
468 |
else
|
|
469 |
{
|
|
470 |
RemoveDummyFile(aIndex);
|
|
471 |
MPX_DEBUG1("CMPXDbManager::DoCopyDBsFromRam dummy file deleted");
|
|
472 |
}
|
|
473 |
|
|
474 |
MPX_DEBUG1("<--CMPXDbManager::DoCopyDBsFromRam");
|
|
475 |
#endif //__RAMDISK_PERF_ENABLE
|
|
476 |
}
|
|
477 |
|
|
478 |
// ----------------------------------------------------------------------------
|
|
479 |
// CMPXDbManager::ReplaceFileL
|
|
480 |
//
|
|
481 |
// Replaces a file with another writing over the destination file.
|
|
482 |
// Leaves on error.
|
|
483 |
// Implementation follows CFileMan::Copy except that
|
|
484 |
// - we don't resize target file to zero
|
|
485 |
// - we can assume that source file already exists
|
|
486 |
// - we don't copy file attributes & timestamp
|
|
487 |
// ----------------------------------------------------------------------------
|
|
488 |
//
|
|
489 |
void CMPXDbManager::ReplaceFileL( const TDesC& aSrcName, const TDesC& aDstName )
|
|
490 |
{
|
|
491 |
// open files
|
|
492 |
RFile srcFile;
|
|
493 |
User::LeaveIfError( srcFile.Open(iFs, aSrcName, EFileRead|EFileShareReadersOnly) );
|
|
494 |
CleanupClosePushL( srcFile );
|
|
495 |
|
|
496 |
RFile dstFile;
|
|
497 |
TInt error = dstFile.Open(iFs, aDstName, EFileWrite|EFileWriteDirectIO|EFileShareExclusive);
|
|
498 |
if (error == KErrNotFound)
|
|
499 |
{
|
|
500 |
error = dstFile.Create(iFs, aDstName, EFileWrite|EFileWriteDirectIO|EFileShareExclusive);
|
|
501 |
}
|
|
502 |
User::LeaveIfError ( error );
|
|
503 |
CleanupClosePushL( dstFile );
|
|
504 |
|
|
505 |
// resize destination file
|
|
506 |
TInt remainingBytes;
|
|
507 |
User::LeaveIfError( srcFile.Size(remainingBytes) );
|
|
508 |
User::LeaveIfError( dstFile.SetSize(remainingBytes) );
|
|
509 |
|
|
510 |
// allocate buffer
|
|
511 |
const TInt KBigBufSize = 512 * 1024;
|
|
512 |
const TInt KMediumBufSize = 32 * 1024;
|
|
513 |
const TInt KSmallBufSize = 4 * 1024;
|
|
514 |
HBufC8* bufPtr=HBufC8::New( Min(KBigBufSize, remainingBytes) );
|
|
515 |
if (bufPtr==NULL)
|
|
516 |
bufPtr=HBufC8::New(KMediumBufSize);
|
|
517 |
if (bufPtr==NULL)
|
|
518 |
bufPtr=HBufC8::New(KSmallBufSize);
|
|
519 |
if (bufPtr == NULL)
|
|
520 |
User::Leave(KErrNoMemory);
|
|
521 |
CleanupStack::PushL(bufPtr);
|
|
522 |
|
|
523 |
// copy
|
|
524 |
TPtr8 copyBuf=bufPtr->Des();
|
|
525 |
TInt pos=0;
|
|
526 |
while( remainingBytes > 0 )
|
|
527 |
{
|
|
528 |
TInt s = Min( remainingBytes, copyBuf.MaxSize() );
|
|
529 |
TInt ret = srcFile.Read(pos, copyBuf, s);
|
|
530 |
if (ret == KErrNone && copyBuf.Length()!= s )
|
|
531 |
{
|
|
532 |
ret = KErrCorrupt;
|
|
533 |
}
|
|
534 |
if (ret == KErrNone)
|
|
535 |
{
|
|
536 |
ret = dstFile.Write(pos, copyBuf, s);
|
|
537 |
}
|
|
538 |
User::LeaveIfError (ret);
|
|
539 |
pos += s;
|
|
540 |
remainingBytes -= s;
|
|
541 |
}
|
|
542 |
User::LeaveIfError( dstFile.Flush() );
|
|
543 |
CleanupStack::PopAndDestroy(3); // bufPtr, dstFile, srcFile
|
|
544 |
}
|
|
545 |
|
|
546 |
// ----------------------------------------------------------------------------
|
|
547 |
// CMPXDbManager::RemoveDummyFile
|
|
548 |
// ----------------------------------------------------------------------------
|
|
549 |
//
|
|
550 |
void CMPXDbManager::RemoveDummyFile( TInt index )
|
|
551 |
{
|
|
552 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
553 |
MPX_DEBUG1("-->CMPXDbManager::RemoveDummyFile");
|
|
554 |
|
|
555 |
if ( iDatabaseHandles[index].iDummyFilePath.Length() )
|
|
556 |
{
|
|
557 |
BaflUtils::DeleteFile(iFs, iDatabaseHandles[index].iDummyFilePath);
|
|
558 |
iDatabaseHandles[index].iDummyFilePath.Zero();
|
|
559 |
}
|
|
560 |
MPX_DEBUG1("<--CMPXDbManager::RemoveDummyFile");
|
|
561 |
#endif //__RAMDISK_PERF_ENABLE
|
|
562 |
|
|
563 |
}
|
|
564 |
|
|
565 |
|
|
566 |
// ----------------------------------------------------------------------------
|
|
567 |
// Commits a transaction on all databases.
|
|
568 |
// ----------------------------------------------------------------------------
|
|
569 |
//
|
|
570 |
EXPORT_C void CMPXDbManager::CommitL()
|
|
571 |
{
|
|
572 |
MPX_FUNC("CMPXDbManager::CommitL");
|
|
573 |
|
|
574 |
if(iTransactionCount > 0)
|
|
575 |
{
|
|
576 |
if (--iTransactionCount == 0)
|
|
577 |
{
|
|
578 |
DoCommitL();
|
|
579 |
}
|
|
580 |
}
|
|
581 |
}
|
|
582 |
|
|
583 |
// ----------------------------------------------------------------------------
|
|
584 |
// Commits a transaction on all databases.
|
|
585 |
// ----------------------------------------------------------------------------
|
|
586 |
//
|
|
587 |
void CMPXDbManager::DoCommitL()
|
|
588 |
{
|
|
589 |
MPX_FUNC("CMPXDbManager::DoCommitL");
|
|
590 |
TInt err = iDatabase.Exec(KCommitTransaction);
|
|
591 |
|
|
592 |
// transforms SQL error to KErrNotReady
|
|
593 |
if( (err <= KSqlErrGeneral && err >= KSqlErrNotDb) || err == KSqlErrStmtExpired )
|
|
594 |
{
|
|
595 |
MPX_DEBUG2("CMPXDbManager::CommitL failed err=%d", err);
|
|
596 |
User::Leave(KErrNotReady);
|
|
597 |
}
|
|
598 |
else
|
|
599 |
{
|
|
600 |
User::LeaveIfError(err);
|
|
601 |
}
|
|
602 |
}
|
|
603 |
|
|
604 |
// ----------------------------------------------------------------------------
|
|
605 |
// Rolls back a transaction on all databases.
|
|
606 |
// ----------------------------------------------------------------------------
|
|
607 |
//
|
|
608 |
EXPORT_C void CMPXDbManager::RollbackL()
|
|
609 |
{
|
|
610 |
MPX_FUNC("CMPXDbManager::RollbackL");
|
|
611 |
|
|
612 |
if(iTransactionCount > 0)
|
|
613 |
{
|
|
614 |
if (--iTransactionCount == 0)
|
|
615 |
{
|
|
616 |
TInt err = iDatabase.Exec(KRollbackTransaction);
|
|
617 |
|
|
618 |
// transforms SQL error to KErrNotReady
|
|
619 |
if( (err <= KSqlErrGeneral && err >= KSqlErrNotDb) || err == KSqlErrStmtExpired )
|
|
620 |
{
|
|
621 |
User::Leave(KErrNotReady);
|
|
622 |
}
|
|
623 |
else
|
|
624 |
{
|
|
625 |
User::LeaveIfError(err);
|
|
626 |
}
|
|
627 |
}
|
|
628 |
}
|
|
629 |
}
|
|
630 |
|
|
631 |
// ----------------------------------------------------------------------------
|
|
632 |
// Rolls back a transaction on all databases.
|
|
633 |
// ----------------------------------------------------------------------------
|
|
634 |
//
|
|
635 |
EXPORT_C TBool CMPXDbManager::InTransaction()
|
|
636 |
{
|
|
637 |
MPX_FUNC("CMPXDbManager::InTransaction");
|
|
638 |
return iDatabase.InTransaction();
|
|
639 |
}
|
|
640 |
|
|
641 |
// ----------------------------------------------------------------------------
|
|
642 |
// Tries to create and open the databases on all specified drives.
|
|
643 |
// ----------------------------------------------------------------------------
|
|
644 |
//
|
|
645 |
EXPORT_C void CMPXDbManager::InitDatabasesL(
|
|
646 |
RArray<TInt> aDrives)
|
|
647 |
{
|
|
648 |
MPX_FUNC("CMPXDbManager::InitDatabasesL");
|
|
649 |
|
|
650 |
CloseAllDatabases();
|
|
651 |
|
|
652 |
TDriveUnit cdrive(KRootDrive());
|
|
653 |
|
|
654 |
CreateDatabaseL(cdrive);
|
|
655 |
OpenRootDatabaseL();
|
|
656 |
|
|
657 |
TInt count(aDrives.Count());
|
|
658 |
for (TInt i = 0; i < count; ++i)
|
|
659 |
{
|
|
660 |
TDriveUnit drive(aDrives[i]);
|
|
661 |
if ((drive != cdrive) && !IsRemoteDrive(static_cast<TDriveNumber>(aDrives[i])))
|
|
662 |
{
|
|
663 |
const TDesC& driveName = drive.Name();
|
|
664 |
|
|
665 |
DatabaseHandle handle;
|
|
666 |
|
|
667 |
handle.iDrive = aDrives[i];
|
|
668 |
handle.iAliasname = HBufC::NewL(KAliasName().Length());
|
|
669 |
handle.iAliasname->Des().Format(KAliasName, &driveName);
|
|
670 |
handle.iOpen = EFalse;
|
|
671 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
672 |
handle.iOrigFullFilePath = HBufC::NewL(0);
|
|
673 |
handle.iTargetFullFilePath = HBufC::NewL(0);
|
|
674 |
handle.iDummyFilePath.Zero();
|
|
675 |
handle.iUseRAMdb = EFalse;
|
|
676 |
#endif //__RAMDISK_PERF_ENABLE
|
|
677 |
|
|
678 |
TInt index = iDatabaseHandles.Count();
|
|
679 |
iDatabaseHandles.AppendL(handle);
|
|
680 |
|
|
681 |
TVolumeInfo vol;
|
|
682 |
if (iFs.Volume(vol, drive) == KErrNone)
|
|
683 |
{
|
|
684 |
CreateDatabaseL(drive);
|
|
685 |
AttachDatabaseL( index );
|
|
686 |
}
|
|
687 |
}
|
|
688 |
}
|
|
689 |
|
|
690 |
iInitialized = ETrue;
|
|
691 |
}
|
|
692 |
|
|
693 |
// ----------------------------------------------------------------------------
|
|
694 |
// Opens a specified database.
|
|
695 |
// ----------------------------------------------------------------------------
|
|
696 |
//
|
|
697 |
EXPORT_C void CMPXDbManager::OpenDatabaseL(
|
|
698 |
TInt aDrive)
|
|
699 |
{
|
|
700 |
MPX_FUNC("CMPXDbManager::OpenDatabaseL");
|
|
701 |
|
|
702 |
if (iInitialized == EFalse)
|
|
703 |
{
|
|
704 |
User::Leave(KErrNotReady);
|
|
705 |
}
|
|
706 |
|
|
707 |
TDriveUnit drive(aDrive);
|
|
708 |
TDriveUnit cdrive(KRootDrive());
|
|
709 |
TBool found(EFalse);
|
|
710 |
|
|
711 |
if ((drive != cdrive) && !IsRemoteDrive(static_cast<TDriveNumber>(aDrive)))
|
|
712 |
{
|
|
713 |
TInt count(iDatabaseHandles.Count());
|
|
714 |
for (TInt i = 0; i < count; ++i)
|
|
715 |
{
|
|
716 |
if (iDatabaseHandles[i].iDrive == aDrive)
|
|
717 |
{
|
|
718 |
MPX_DEBUG2("CMPXDbManager::OpenDatabaseL found %d", aDrive);
|
|
719 |
TInt transactionCount = iTransactionCount;
|
|
720 |
if (iTransactionCount > 0)
|
|
721 |
{
|
|
722 |
iTransactionCount = 0;
|
|
723 |
DoCommitL();
|
|
724 |
}
|
|
725 |
OpenDatabaseAtIndexL( i );
|
|
726 |
if (transactionCount > 0)
|
|
727 |
{
|
|
728 |
DoBeginL();
|
|
729 |
iTransactionCount = transactionCount;
|
|
730 |
}
|
|
731 |
found = ETrue;
|
|
732 |
break;
|
|
733 |
}
|
|
734 |
}
|
|
735 |
}
|
|
736 |
if (!found)
|
|
737 |
{
|
|
738 |
MPX_DEBUG1("CMPXDbManager::OpenDatabaseL not found");
|
|
739 |
User::Leave(KErrArgument);
|
|
740 |
}
|
|
741 |
|
|
742 |
// Close all prepared statements if a db is opened
|
|
743 |
//
|
|
744 |
ResetPreparedQueries();
|
|
745 |
}
|
|
746 |
|
|
747 |
void CMPXDbManager::OpenDatabaseAtIndexL( TInt aIndex )
|
|
748 |
{
|
|
749 |
DatabaseHandle & database = iDatabaseHandles[aIndex];
|
|
750 |
if (!database.iOpen)
|
|
751 |
{
|
|
752 |
MPX_DEBUG1("CMPXDbManager::OpenDatabaseAtIndexL not open");
|
|
753 |
// make sure the database is created
|
|
754 |
CreateDatabaseL( TDriveUnit(database.iDrive) );
|
|
755 |
AttachDatabaseL( aIndex );
|
|
756 |
}
|
|
757 |
}
|
|
758 |
|
|
759 |
// ----------------------------------------------------------------------------
|
|
760 |
// Closes a specified database.
|
|
761 |
// ----------------------------------------------------------------------------
|
|
762 |
//
|
|
763 |
EXPORT_C void CMPXDbManager::CloseDatabaseL(
|
|
764 |
TInt aDrive)
|
|
765 |
{
|
|
766 |
MPX_FUNC("CMPXDbManager::CloseDatabaseL");
|
|
767 |
|
|
768 |
if (iInitialized == EFalse)
|
|
769 |
{
|
|
770 |
User::Leave(KErrNotReady);
|
|
771 |
}
|
|
772 |
|
|
773 |
TDriveUnit drive(aDrive);
|
|
774 |
TDriveUnit cdrive(KRootDrive());
|
|
775 |
TBool found(EFalse);
|
|
776 |
|
|
777 |
if ((drive != cdrive) && !IsRemoteDrive(static_cast<TDriveNumber>(aDrive)))
|
|
778 |
{
|
|
779 |
TInt count(iDatabaseHandles.Count());
|
|
780 |
for (TInt i = 0; i < count; ++i)
|
|
781 |
{
|
|
782 |
if (iDatabaseHandles[i].iDrive == aDrive)
|
|
783 |
{
|
|
784 |
TBool inTransaction = InTransaction();
|
|
785 |
TInt transactionCount = iTransactionCount;
|
|
786 |
iTransactionCount = 0;
|
|
787 |
|
|
788 |
if (inTransaction) //if the transaction is ongoing, try committing
|
|
789 |
{
|
|
790 |
//if transaction committing fails, try roll-back
|
|
791 |
TInt error = iDatabase.Exec( KCommitTransaction );
|
|
792 |
if ( error != KErrNone )
|
|
793 |
{
|
|
794 |
//The error is ignored since we can't do nothing about it
|
|
795 |
iDatabase.Exec( KRollbackTransaction );
|
|
796 |
}
|
|
797 |
}
|
|
798 |
|
|
799 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
800 |
if ( iRAMDiskPerfEnabled && iDatabaseHandles[i].iUseRAMdb )
|
|
801 |
{
|
|
802 |
MPX_DEBUG2("CMPXDbManager::CloseDatabaseL found %d at RAM", aDrive);
|
|
803 |
TRAPD( err, CloseDatabaseAtIndexL( i ) );
|
|
804 |
if ( err != KErrNone )
|
|
805 |
{
|
|
806 |
// Can't close db on RAM drive, so cleanup.
|
|
807 |
MPX_DEBUG2("CMPXDbManager::CloseDatabaseL CloseDatabaseAtIndexL fail: error = %d", err);
|
|
808 |
// Delete dummy file
|
|
809 |
RemoveDummyFile(i);
|
|
810 |
iDatabaseHandles[i].iUseRAMdb = EFalse;
|
|
811 |
// Delete database on RAM drive.
|
|
812 |
User::LeaveIfError( BaflUtils::DeleteFile(iFs, *iDatabaseHandles[i].iTargetFullFilePath) );
|
|
813 |
}
|
|
814 |
else
|
|
815 |
{
|
|
816 |
DoCopyDBFromRam(i);
|
|
817 |
}
|
|
818 |
iDatabaseHandles[i].iUseRAMdb = EFalse;
|
|
819 |
}
|
|
820 |
else
|
|
821 |
#endif
|
|
822 |
{
|
|
823 |
MPX_DEBUG2("CMPXDbManager::CloseDatabaseL found %d", aDrive);
|
|
824 |
CloseDatabaseAtIndexL( i );
|
|
825 |
}
|
|
826 |
|
|
827 |
//Let MTP handle the transcation if there is any
|
|
828 |
if ( inTransaction )
|
|
829 |
{
|
|
830 |
DoBeginL();
|
|
831 |
iTransactionCount = transactionCount;
|
|
832 |
}
|
|
833 |
|
|
834 |
found = ETrue;
|
|
835 |
break;
|
|
836 |
}
|
|
837 |
}
|
|
838 |
}
|
|
839 |
if (!found)
|
|
840 |
{
|
|
841 |
MPX_DEBUG1("CMPXDbManager::CloseDatabaseL not found");
|
|
842 |
User::Leave(KErrArgument);
|
|
843 |
}
|
|
844 |
|
|
845 |
}
|
|
846 |
|
|
847 |
void CMPXDbManager::CloseDatabaseAtIndexL( TInt aIndex )
|
|
848 |
{
|
|
849 |
// Close all prepared statements if a db is closed
|
|
850 |
//
|
|
851 |
ResetPreparedQueries();
|
|
852 |
|
|
853 |
if (iDatabaseHandles[aIndex].iOpen)
|
|
854 |
{
|
|
855 |
MPX_DEBUG1("CMPXDbManager::CloseDatabaseAtIndexL found open");
|
|
856 |
DetachDatabaseL( aIndex );
|
|
857 |
}
|
|
858 |
}
|
|
859 |
|
|
860 |
// ----------------------------------------------------------------------------
|
|
861 |
// Closes all databases.
|
|
862 |
// ----------------------------------------------------------------------------
|
|
863 |
//
|
|
864 |
EXPORT_C void CMPXDbManager::CloseAllDatabases()
|
|
865 |
{
|
|
866 |
MPX_FUNC("CMPXDbManager::CloseAllDatabases");
|
|
867 |
|
|
868 |
// Close all prepared statements if a db is closed
|
|
869 |
//
|
|
870 |
ResetPreparedQueries();
|
|
871 |
|
|
872 |
TInt count(iDatabaseHandles.Count());
|
|
873 |
for (TInt i = 0; i < count; ++i)
|
|
874 |
{
|
|
875 |
delete iDatabaseHandles[i].iAliasname;
|
|
876 |
iDatabaseHandles[i].iAliasname = 0;
|
|
877 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
878 |
RemoveDummyFile(i);
|
|
879 |
delete iDatabaseHandles[i].iOrigFullFilePath;
|
|
880 |
iDatabaseHandles[i].iOrigFullFilePath = 0;
|
|
881 |
delete iDatabaseHandles[i].iTargetFullFilePath;
|
|
882 |
iDatabaseHandles[i].iTargetFullFilePath = 0;
|
|
883 |
#endif //__RAMDISK_PERF_ENABLE
|
|
884 |
}
|
|
885 |
|
|
886 |
iDatabaseHandles.Reset();
|
|
887 |
iDatabase.Close();
|
|
888 |
iInitialized = EFalse;
|
|
889 |
}
|
|
890 |
|
|
891 |
// ----------------------------------------------------------------------------
|
|
892 |
// Open all databases.
|
|
893 |
// ----------------------------------------------------------------------------
|
|
894 |
//
|
|
895 |
EXPORT_C void CMPXDbManager::OpenAllDatabasesL()
|
|
896 |
{
|
|
897 |
MPX_FUNC("CMPXDbManager::OpenAllDatabasesL");
|
|
898 |
|
|
899 |
if (!iInitialized)
|
|
900 |
{
|
|
901 |
OpenRootDatabaseL();
|
|
902 |
}
|
|
903 |
|
|
904 |
TInt count(iDatabaseHandles.Count());
|
|
905 |
for (TInt i = 0; i < count; ++i)
|
|
906 |
{
|
|
907 |
TVolumeInfo vol;
|
|
908 |
if (iFs.Volume(vol, iDatabaseHandles[i].iDrive) == KErrNone)
|
|
909 |
{
|
|
910 |
AttachDatabaseL( i );
|
|
911 |
}
|
|
912 |
}
|
|
913 |
iInitialized = ETrue;
|
|
914 |
|
|
915 |
// Close all prepared statements if a db is closed
|
|
916 |
//
|
|
917 |
ResetPreparedQueries();
|
|
918 |
}
|
|
919 |
|
|
920 |
// ----------------------------------------------------------------------------
|
|
921 |
// Checks if the database on a specified drive is open.
|
|
922 |
// ----------------------------------------------------------------------------
|
|
923 |
//
|
|
924 |
EXPORT_C TBool CMPXDbManager::IsOpen(
|
|
925 |
TInt aDrive) const
|
|
926 |
{
|
|
927 |
MPX_FUNC("CMPXDbManager::IsOpen");
|
|
928 |
|
|
929 |
TDriveUnit drive(aDrive);
|
|
930 |
TDriveUnit cdrive(KRootDrive());
|
|
931 |
|
|
932 |
if (!iInitialized)
|
|
933 |
{
|
|
934 |
return EFalse;
|
|
935 |
}
|
|
936 |
else if (drive == cdrive)
|
|
937 |
{
|
|
938 |
return ETrue;
|
|
939 |
}
|
|
940 |
else
|
|
941 |
{
|
|
942 |
TInt count(iDatabaseHandles.Count());
|
|
943 |
for (TInt i = 0; i < count; ++i)
|
|
944 |
{
|
|
945 |
if (iDatabaseHandles[i].iDrive == aDrive)
|
|
946 |
{
|
|
947 |
return iDatabaseHandles[i].iOpen;
|
|
948 |
}
|
|
949 |
}
|
|
950 |
}
|
|
951 |
|
|
952 |
return EFalse;
|
|
953 |
}
|
|
954 |
|
|
955 |
// ----------------------------------------------------------------------------
|
|
956 |
// Returns the number of currently open databases.
|
|
957 |
// ----------------------------------------------------------------------------
|
|
958 |
//
|
|
959 |
EXPORT_C TInt CMPXDbManager::DatabaseCount() const
|
|
960 |
{
|
|
961 |
MPX_FUNC("CMPXDbManager::DatabaseCount");
|
|
962 |
|
|
963 |
TInt openCount(0);
|
|
964 |
if (iInitialized)
|
|
965 |
{
|
|
966 |
++openCount;
|
|
967 |
|
|
968 |
TInt count(iDatabaseHandles.Count());
|
|
969 |
for (TInt i = 0; i < count; ++i)
|
|
970 |
{
|
|
971 |
if (iDatabaseHandles[i].iOpen)
|
|
972 |
{
|
|
973 |
++openCount;
|
|
974 |
}
|
|
975 |
}
|
|
976 |
}
|
|
977 |
|
|
978 |
return openCount;
|
|
979 |
}
|
|
980 |
|
|
981 |
// ----------------------------------------------------------------------------
|
|
982 |
// Returns the drive corresponding to a given index.
|
|
983 |
// ----------------------------------------------------------------------------
|
|
984 |
//
|
|
985 |
EXPORT_C TInt CMPXDbManager::DbDrive(
|
|
986 |
TInt aIndex) const
|
|
987 |
{
|
|
988 |
MPX_FUNC("CMPXDbManager::DbDrive");
|
|
989 |
|
|
990 |
ASSERT((aIndex >= 0) || (aIndex < iDatabaseHandles.Count()));
|
|
991 |
return iDatabaseHandles[aIndex].iDrive;
|
|
992 |
}
|
|
993 |
|
|
994 |
// ----------------------------------------------------------------------------
|
|
995 |
// Recreate a specified database.
|
|
996 |
// ----------------------------------------------------------------------------
|
|
997 |
//
|
|
998 |
EXPORT_C void CMPXDbManager::RecreateDatabaseL(
|
|
999 |
TInt aDrive)
|
|
1000 |
{
|
|
1001 |
MPX_FUNC("CMPXDbManager::RecreateDatabaseL");
|
|
1002 |
|
|
1003 |
if (iInitialized == EFalse)
|
|
1004 |
{
|
|
1005 |
User::Leave(KErrNotReady);
|
|
1006 |
}
|
|
1007 |
|
|
1008 |
TInt index = KErrNotFound;
|
|
1009 |
|
|
1010 |
if (aDrive == EDriveC)
|
|
1011 |
{
|
|
1012 |
index = iDatabaseHandles.Count();
|
|
1013 |
}
|
|
1014 |
else
|
|
1015 |
{
|
|
1016 |
TInt count(iDatabaseHandles.Count());
|
|
1017 |
for (TInt i = 0; i < count; ++i)
|
|
1018 |
{
|
|
1019 |
if ((iDatabaseHandles[i].iDrive == aDrive) && (iDatabaseHandles[i].iOpen))
|
|
1020 |
{
|
|
1021 |
index = i;
|
|
1022 |
break;
|
|
1023 |
}
|
|
1024 |
}
|
|
1025 |
}
|
|
1026 |
if ( index >= 0 )
|
|
1027 |
{
|
|
1028 |
HBufC * filename = CreateFilenameL(aDrive);
|
|
1029 |
CleanupStack::PushL(filename);
|
|
1030 |
|
|
1031 |
TRAPD(err, DoRecreateDatabaseL(filename));
|
|
1032 |
if(err < 0)
|
|
1033 |
{
|
|
1034 |
TDriveUnit drive_unit(aDrive);
|
|
1035 |
|
|
1036 |
if(aDrive == EDriveC)
|
|
1037 |
{
|
|
1038 |
iDatabase.Close();
|
|
1039 |
iInitialized = EFalse;
|
|
1040 |
|
|
1041 |
RSqlDatabase::Delete(*filename);
|
|
1042 |
CreateDatabaseL(drive_unit);
|
|
1043 |
|
|
1044 |
User::LeaveIfError(iDatabase.Open(*filename));
|
|
1045 |
iInitialized = ETrue;
|
|
1046 |
}
|
|
1047 |
else
|
|
1048 |
{
|
|
1049 |
DetachDatabaseL( index );
|
|
1050 |
|
|
1051 |
RSqlDatabase::Delete(*filename);
|
|
1052 |
CreateDatabaseL(drive_unit);
|
|
1053 |
|
|
1054 |
AttachDatabaseL( index );
|
|
1055 |
}
|
|
1056 |
}
|
|
1057 |
|
|
1058 |
CleanupStack::PopAndDestroy(filename);
|
|
1059 |
}
|
|
1060 |
else
|
|
1061 |
{
|
|
1062 |
User::Leave(KErrNotFound);
|
|
1063 |
}
|
|
1064 |
}
|
|
1065 |
|
|
1066 |
// ----------------------------------------------------------------------------
|
|
1067 |
// Recreate all databases.
|
|
1068 |
// ----------------------------------------------------------------------------
|
|
1069 |
//
|
|
1070 |
EXPORT_C void CMPXDbManager::RecreateAllDatabasesL()
|
|
1071 |
{
|
|
1072 |
MPX_FUNC("CMPXDbManager::RecreateAllDatabasesL");
|
|
1073 |
|
|
1074 |
if (iInitialized == EFalse)
|
|
1075 |
{
|
|
1076 |
User::Leave(KErrNotReady);
|
|
1077 |
}
|
|
1078 |
|
|
1079 |
// Recreate on drive C
|
|
1080 |
RecreateDatabaseL(EDriveC);
|
|
1081 |
|
|
1082 |
// Recreate all attached drives
|
|
1083 |
TInt count(iDatabaseHandles.Count());
|
|
1084 |
for (TInt i = 0; i < count; ++i)
|
|
1085 |
{
|
|
1086 |
if (iDatabaseHandles[i].iOpen)
|
|
1087 |
{
|
|
1088 |
RecreateDatabaseL(iDatabaseHandles[i].iDrive);
|
|
1089 |
}
|
|
1090 |
}
|
|
1091 |
}
|
|
1092 |
|
|
1093 |
// ----------------------------------------------------------------------------
|
|
1094 |
// Returns current DB version
|
|
1095 |
// ----------------------------------------------------------------------------
|
|
1096 |
//
|
|
1097 |
EXPORT_C TVersion CMPXDbManager::Version() const
|
|
1098 |
{
|
|
1099 |
MPX_FUNC("CMPXDbManager::Version");
|
|
1100 |
return TVersion(KMPXDbVersion[0], KMPXDbVersion[1], KMPXDbVersion[2]);
|
|
1101 |
}
|
|
1102 |
|
|
1103 |
// ----------------------------------------------------------------------------
|
|
1104 |
// Registes a table with the database
|
|
1105 |
// ----------------------------------------------------------------------------
|
|
1106 |
//
|
|
1107 |
EXPORT_C void CMPXDbManager::RegisterTableL(
|
|
1108 |
MMPXTable& aTable)
|
|
1109 |
{
|
|
1110 |
MPX_FUNC("CMPXDbManager::RegisterTableL");
|
|
1111 |
iTables.AppendL(&aTable);
|
|
1112 |
}
|
|
1113 |
|
|
1114 |
// ----------------------------------------------------------------------------
|
|
1115 |
// Executes a select query with variable number of parameters
|
|
1116 |
// The query is executed on all available databases with a format like:
|
|
1117 |
//
|
|
1118 |
// <query on database1> UNION ALL <query on database2> ...
|
|
1119 |
//
|
|
1120 |
// The query string passed in by the caller must have the ":dbname" prefix for all
|
|
1121 |
// the tables in the FROM clause. This will be replaced with the right alias for
|
|
1122 |
// attached databases or with no alias for the C database.
|
|
1123 |
//
|
|
1124 |
// In case the original query contains an ORDER BY clause, this will be extracted
|
|
1125 |
// and added at the end of the union query.
|
|
1126 |
//
|
|
1127 |
// Note: Running the union query seems to be similar in speed even if one of the
|
|
1128 |
// databases is empty and therefore no optimization was done for this case.
|
|
1129 |
// ----------------------------------------------------------------------------
|
|
1130 |
//
|
|
1131 |
EXPORT_C RSqlStatement CMPXDbManager::ExecuteSelectQueryL(
|
|
1132 |
TRefByValue<const TDesC> aFmt,
|
|
1133 |
...)
|
|
1134 |
{
|
|
1135 |
MPX_FUNC("CMPXDatabase::ExecuteSelectQueryL");
|
|
1136 |
|
|
1137 |
VA_LIST list;
|
|
1138 |
VA_START(list, aFmt);
|
|
1139 |
|
|
1140 |
// Will reallocate
|
|
1141 |
HBufC* selectBuf = FormatQueryLC(aFmt, list);
|
|
1142 |
RSqlStatement statement = ExecuteSelectQueryOnAllDrivesL(selectBuf->Des());
|
|
1143 |
CleanupStack::PopAndDestroy(selectBuf);
|
|
1144 |
|
|
1145 |
VA_END(list);
|
|
1146 |
|
|
1147 |
return statement;
|
|
1148 |
}
|
|
1149 |
|
|
1150 |
// ----------------------------------------------------------------------------
|
|
1151 |
// Executes a select query against a specified drive
|
|
1152 |
// ----------------------------------------------------------------------------
|
|
1153 |
//
|
|
1154 |
EXPORT_C RSqlStatement CMPXDbManager::ExecuteSelectQueryL(
|
|
1155 |
TInt aDrive,
|
|
1156 |
TRefByValue<const TDesC> aFmt,
|
|
1157 |
...)
|
|
1158 |
{
|
|
1159 |
MPX_FUNC("CMPXDatabase::ExecuteSelectQueryL");
|
|
1160 |
|
|
1161 |
VA_LIST list;
|
|
1162 |
VA_START(list, aFmt);
|
|
1163 |
|
|
1164 |
// Will reallocate
|
|
1165 |
HBufC* selectBuf = FormatQueryLC(aFmt, list);
|
|
1166 |
RSqlStatement statement = ExecuteSelectQueryOnDriveL(aDrive, selectBuf->Des());
|
|
1167 |
CleanupStack::PopAndDestroy(selectBuf);
|
|
1168 |
|
|
1169 |
VA_END(list);
|
|
1170 |
|
|
1171 |
return statement;
|
|
1172 |
}
|
|
1173 |
|
|
1174 |
// ----------------------------------------------------------------------------
|
|
1175 |
// CMPXDbManager::ExecuteSelectQueryL
|
|
1176 |
// ----------------------------------------------------------------------------
|
|
1177 |
//
|
|
1178 |
EXPORT_C RSqlStatement& CMPXDbManager::ExecuteSelectQueryL(
|
|
1179 |
TUint aStatementId,
|
|
1180 |
TInt aFirstValue,
|
|
1181 |
TInt aSecondValue,
|
|
1182 |
TRefByValue<const TDesC> aFmt,
|
|
1183 |
...)
|
|
1184 |
{
|
|
1185 |
MPX_FUNC("CMPXDatabase::ExecuteOffsetSelectQueryL");
|
|
1186 |
|
|
1187 |
// Prepare the Query first
|
|
1188 |
VA_LIST list;
|
|
1189 |
VA_START(list, aFmt);
|
|
1190 |
RSqlStatement& statement = PrepareQueryL( aStatementId, aFmt, list );
|
|
1191 |
VA_END(list);
|
|
1192 |
|
|
1193 |
// Bind the Limit and Offset variables
|
|
1194 |
User::LeaveIfError(statement.BindInt(0, aFirstValue));
|
|
1195 |
User::LeaveIfError(statement.BindInt(1, aSecondValue));
|
|
1196 |
|
|
1197 |
return statement;
|
|
1198 |
}
|
|
1199 |
|
|
1200 |
// ----------------------------------------------------------------------------
|
|
1201 |
// CMPXDbManager::ExecuteSelectQueryL
|
|
1202 |
// ----------------------------------------------------------------------------
|
|
1203 |
//
|
|
1204 |
EXPORT_C RSqlStatement& CMPXDbManager::ExecuteSelectQueryL( TUint aStatementId,
|
|
1205 |
const TDesC& aFirstValue,
|
|
1206 |
TInt aSecondValue,
|
|
1207 |
TRefByValue<const TDesC> aFmt, ...)
|
|
1208 |
{
|
|
1209 |
MPX_FUNC("CMPXDbManager::ExecuteMediaAscQueryL");
|
|
1210 |
|
|
1211 |
// Prepare the Query first
|
|
1212 |
VA_LIST list;
|
|
1213 |
VA_START(list, aFmt);
|
|
1214 |
RSqlStatement& statement = PrepareQueryL( aStatementId, aFmt, list );
|
|
1215 |
VA_END(list);
|
|
1216 |
|
|
1217 |
// bind the title and limit values
|
|
1218 |
User::LeaveIfError(statement.BindText(0, aFirstValue));
|
|
1219 |
User::LeaveIfError(statement.BindInt(1, aSecondValue));
|
|
1220 |
|
|
1221 |
return statement;
|
|
1222 |
}
|
|
1223 |
|
|
1224 |
// ----------------------------------------------------------------------------
|
|
1225 |
// Executes a query that does not return a record set (INSERT, UPDATE, DELETE,
|
|
1226 |
// CREATE, DROP, etc).
|
|
1227 |
//
|
|
1228 |
// If a valid drive is specified then the query is only executed only on
|
|
1229 |
// that drive. If KDbManagerAllDrives is specified then the query is executed
|
|
1230 |
// separately on each available drive.
|
|
1231 |
// ----------------------------------------------------------------------------
|
|
1232 |
//
|
|
1233 |
EXPORT_C void CMPXDbManager::ExecuteQueryL(
|
|
1234 |
TInt aDrive,
|
|
1235 |
TRefByValue<const TDesC> aFmt,
|
|
1236 |
...)
|
|
1237 |
{
|
|
1238 |
MPX_FUNC("CMPXDatabase::ExecuteQueryL");
|
|
1239 |
|
|
1240 |
// make sure there is enough space on all drives affected
|
|
1241 |
CheckDiskSpaceL(aDrive);
|
|
1242 |
|
|
1243 |
VA_LIST list;
|
|
1244 |
VA_START(list, aFmt);
|
|
1245 |
|
|
1246 |
HBufC* selectBuf = FormatQueryLC(aFmt, list);
|
|
1247 |
TPtr selectBufPtr = selectBuf->Des();
|
|
1248 |
TInt dbCount(iDatabaseHandles.Count());
|
|
1249 |
|
|
1250 |
// a specified drive or all drives
|
|
1251 |
TInt loopCount = (aDrive == KDbManagerAllDrives) ? (dbCount + 1) : 1;
|
|
1252 |
TBool queryExecuted(EFalse); // flag to check if the query was executed at least once
|
|
1253 |
for (TInt j = 0; j < loopCount; ++j)
|
|
1254 |
{
|
|
1255 |
HBufC* query = HBufC::NewLC(selectBufPtr.Length() + KBufIncrement);
|
|
1256 |
TPtr queryPtr = query->Des();
|
|
1257 |
queryPtr.Copy(selectBufPtr);
|
|
1258 |
if (aDrive == EDriveC) // if C drive only
|
|
1259 |
{
|
|
1260 |
RemoveDriveAlias(queryPtr);
|
|
1261 |
}
|
|
1262 |
else // all drives or a particular drive other than C drive
|
|
1263 |
{
|
|
1264 |
if (aDrive == 0) // all drives
|
|
1265 |
{
|
|
1266 |
if (j == dbCount) // C drive
|
|
1267 |
{
|
|
1268 |
RemoveDriveAlias(queryPtr);
|
|
1269 |
}
|
|
1270 |
else //all other drives, except C drive
|
|
1271 |
{
|
|
1272 |
if (iDatabaseHandles[j].iOpen)
|
|
1273 |
{
|
|
1274 |
ReplaceDriveAlias(queryPtr, *(iDatabaseHandles[j].iAliasname));
|
|
1275 |
}
|
|
1276 |
}
|
|
1277 |
}
|
|
1278 |
else //a particular drive, other than C drive
|
|
1279 |
{
|
|
1280 |
for (TInt i = 0; i < dbCount; ++i)
|
|
1281 |
{
|
|
1282 |
if (iDatabaseHandles[i].iOpen && iDatabaseHandles[i].iDrive == aDrive)
|
|
1283 |
{
|
|
1284 |
ReplaceDriveAlias(queryPtr, *(iDatabaseHandles[i].iAliasname));
|
|
1285 |
break;
|
|
1286 |
}
|
|
1287 |
}
|
|
1288 |
}
|
|
1289 |
}
|
|
1290 |
TInt dbnamePos = queryPtr.Find(KDBNameToken);// check if the query was created correctly
|
|
1291 |
if (dbnamePos == KErrNotFound)
|
|
1292 |
{
|
|
1293 |
// log the query
|
|
1294 |
TPtrC ptr(query->Left(KMaxLogQuery));
|
|
1295 |
MPX_DEBUG2("Query: %S", &ptr);
|
|
1296 |
|
|
1297 |
User::LeaveIfError(ExecuteSqlStatement(iDatabase, queryPtr));
|
|
1298 |
queryExecuted = ETrue;
|
|
1299 |
}
|
|
1300 |
CleanupStack::PopAndDestroy(query);
|
|
1301 |
} //for (TInt j = 0; j < loopCount; ++j)
|
|
1302 |
CleanupStack::PopAndDestroy(selectBuf);
|
|
1303 |
VA_END(list);
|
|
1304 |
if (!queryExecuted && aDrive != 0)
|
|
1305 |
{
|
|
1306 |
// the requested drive(s) is not open
|
|
1307 |
User::Leave(KErrNotFound);
|
|
1308 |
}
|
|
1309 |
}
|
|
1310 |
|
|
1311 |
// ----------------------------------------------------------------------------
|
|
1312 |
// CMPXDbManager::FormatQueryLC
|
|
1313 |
// ----------------------------------------------------------------------------
|
|
1314 |
//
|
|
1315 |
HBufC* CMPXDbManager::FormatQueryLC(
|
|
1316 |
TRefByValue<const TDesC> aFmt,
|
|
1317 |
VA_LIST aList)
|
|
1318 |
{
|
|
1319 |
MPX_FUNC("CMPXDatabase::FormatQueryLC");
|
|
1320 |
|
|
1321 |
TOverflowHandle overflow;
|
|
1322 |
|
|
1323 |
HBufC* selectBuf = HBufC::NewLC(TDesC(aFmt).Length());//will reallocate
|
|
1324 |
selectBuf->Des().AppendFormatList(aFmt, aList, &overflow);
|
|
1325 |
while (overflow.GetOverflowFlag())
|
|
1326 |
{
|
|
1327 |
TInt len = selectBuf->Des().MaxLength() + KBufIncrement;
|
|
1328 |
CleanupStack::PopAndDestroy(selectBuf);
|
|
1329 |
selectBuf = HBufC::NewLC(len);
|
|
1330 |
selectBuf->Des().AppendFormatList(aFmt, aList, &overflow);
|
|
1331 |
}
|
|
1332 |
|
|
1333 |
return selectBuf;
|
|
1334 |
}
|
|
1335 |
|
|
1336 |
// ----------------------------------------------------------------------------
|
|
1337 |
// Executes a select query against a specified drive
|
|
1338 |
// ----------------------------------------------------------------------------
|
|
1339 |
//
|
|
1340 |
EXPORT_C RSqlStatement CMPXDbManager::ExecuteSelectQueryOnAllDrivesL(
|
|
1341 |
TInt aDrive,
|
|
1342 |
TRefByValue<const TDesC> aFmt,
|
|
1343 |
...)
|
|
1344 |
{
|
|
1345 |
MPX_FUNC("CMPXDatabase::ExecuteSelectQueryL");
|
|
1346 |
|
|
1347 |
VA_LIST list;
|
|
1348 |
VA_START(list, aFmt);
|
|
1349 |
|
|
1350 |
// Will reallocate
|
|
1351 |
HBufC* selectBuf = FormatQueryLC(aFmt, list);
|
|
1352 |
RSqlStatement statement = ExecuteSelectQueryOnAllDrivesL(aDrive, selectBuf->Des());
|
|
1353 |
CleanupStack::PopAndDestroy(selectBuf);
|
|
1354 |
|
|
1355 |
VA_END(list);
|
|
1356 |
|
|
1357 |
return statement;
|
|
1358 |
}
|
|
1359 |
|
|
1360 |
// ----------------------------------------------------------------------------
|
|
1361 |
// CMPXDbManager::ExecuteSelectQueryOnAllDrivesL
|
|
1362 |
// ----------------------------------------------------------------------------
|
|
1363 |
//
|
|
1364 |
RSqlStatement CMPXDbManager::ExecuteSelectQueryOnAllDrivesL(
|
|
1365 |
TPtr aQuery)
|
|
1366 |
{
|
|
1367 |
MPX_FUNC("CMPXDatabase::ExecuteSelectQueryOnAllDrivesL");
|
|
1368 |
|
|
1369 |
TInt dbCount = iDatabaseHandles.Count();
|
|
1370 |
HBufC* query = HBufC::NewLC(aQuery.Length() * (dbCount + 1) +
|
|
1371 |
KUnionAllToken().Length() * dbCount);
|
|
1372 |
TPtr queryPtr = query->Des();
|
|
1373 |
HBufC* selectOutBuf = NULL;
|
|
1374 |
TInt enclosed = aQuery.Mid(1, aQuery.Length() - 1).Find(KSelectToken);
|
|
1375 |
if (enclosed != KErrNotFound)
|
|
1376 |
{
|
|
1377 |
enclosed++;//to compensate the indent
|
|
1378 |
selectOutBuf = HBufC::NewLC(aQuery.Length() * (dbCount + 1) +
|
|
1379 |
KUnionAllToken().Length() * dbCount);
|
|
1380 |
selectOutBuf->Des().Copy(aQuery.Left(enclosed));
|
|
1381 |
selectOutBuf->Des().Append(aQuery.Right(1));//the closing bracket
|
|
1382 |
aQuery.Delete(0, enclosed);
|
|
1383 |
aQuery.Delete(aQuery.Length() - 1, 1);
|
|
1384 |
}
|
|
1385 |
|
|
1386 |
HBufC* orderBuf = NULL;
|
|
1387 |
TInt orderPos = aQuery.Find(KOrderByToken);
|
|
1388 |
if (orderPos != KErrNotFound)
|
|
1389 |
{
|
|
1390 |
orderBuf = aQuery.Right(aQuery.Length() - orderPos).AllocL();
|
|
1391 |
aQuery.Delete(orderPos, aQuery.Length() - orderPos);
|
|
1392 |
}
|
|
1393 |
queryPtr.Append(aQuery);// for cdrive
|
|
1394 |
RemoveDriveAlias(queryPtr);
|
|
1395 |
for (TInt i = 0; i < dbCount; ++i)//for other drives
|
|
1396 |
{
|
|
1397 |
if (iDatabaseHandles[i].iOpen)
|
|
1398 |
{
|
|
1399 |
queryPtr.Append(KUnionAllToken);
|
|
1400 |
queryPtr.Append(aQuery);
|
|
1401 |
ReplaceDriveAlias(queryPtr, *(iDatabaseHandles[i].iAliasname));
|
|
1402 |
}
|
|
1403 |
}
|
|
1404 |
if (orderBuf)
|
|
1405 |
{
|
|
1406 |
queryPtr.Append(orderBuf->Des());
|
|
1407 |
}
|
|
1408 |
delete orderBuf;
|
|
1409 |
if (enclosed != KErrNotFound)
|
|
1410 |
{
|
|
1411 |
selectOutBuf->Des().Insert(enclosed, query->Des());
|
|
1412 |
queryPtr.Copy(selectOutBuf->Des());
|
|
1413 |
CleanupStack::PopAndDestroy(selectOutBuf);
|
|
1414 |
}
|
|
1415 |
|
|
1416 |
// Log the query string before execution
|
|
1417 |
TPtrC ptr(query->Left(KMaxLogQuery));
|
|
1418 |
MPX_DEBUG2("Query: %S", &ptr);
|
|
1419 |
|
|
1420 |
// Return a temporary statement and not a member variable.
|
|
1421 |
// This ensures that a copy is done and a second embedded query can be
|
|
1422 |
// executed while the first result set is processed.
|
|
1423 |
RSqlStatement statement;
|
|
1424 |
User::LeaveIfError(statement.Prepare(iDatabase, queryPtr));
|
|
1425 |
CleanupStack::PopAndDestroy(query);
|
|
1426 |
|
|
1427 |
return statement;
|
|
1428 |
}
|
|
1429 |
|
|
1430 |
// ----------------------------------------------------------------------------
|
|
1431 |
// CMPXDbManager::ExecuteSelectQueryOnAllDrivesL
|
|
1432 |
// ----------------------------------------------------------------------------
|
|
1433 |
//
|
|
1434 |
RSqlStatement CMPXDbManager::ExecuteSelectQueryOnAllDrivesL( TInt aDrive,
|
|
1435 |
TPtr aQuery)
|
|
1436 |
{
|
|
1437 |
MPX_FUNC("CMPXDatabase::ExecuteSelectQueryOnAllDrivesL");
|
|
1438 |
|
|
1439 |
TInt dbCount = iDatabaseHandles.Count();
|
|
1440 |
HBufC* query = HBufC::NewLC(aQuery.Length() * (dbCount + 1) +
|
|
1441 |
KUnionAllToken().Length() * dbCount);
|
|
1442 |
TPtr queryPtr = query->Des();
|
|
1443 |
HBufC* selectOutBuf = NULL;
|
|
1444 |
TInt enclosed = aQuery.Mid(1, aQuery.Length() - 1).Find(KSelectToken);
|
|
1445 |
if (enclosed != KErrNotFound)
|
|
1446 |
{
|
|
1447 |
enclosed++;//to compensate the indent
|
|
1448 |
selectOutBuf = HBufC::NewLC(aQuery.Length() * (dbCount + 1) +
|
|
1449 |
KUnionAllToken().Length() * dbCount);
|
|
1450 |
selectOutBuf->Des().Copy(aQuery.Left(enclosed));
|
|
1451 |
selectOutBuf->Des().Append(aQuery.Right(1));//the closing bracket
|
|
1452 |
aQuery.Delete(0, enclosed);
|
|
1453 |
aQuery.Delete(aQuery.Length() - 1, 1);
|
|
1454 |
}
|
|
1455 |
|
|
1456 |
HBufC* orderBuf = NULL;
|
|
1457 |
TInt orderPos = aQuery.Find(KOrderByToken);
|
|
1458 |
if (orderPos != KErrNotFound)
|
|
1459 |
{
|
|
1460 |
orderBuf = aQuery.Right(aQuery.Length() - orderPos).AllocL();
|
|
1461 |
aQuery.Delete(orderPos, aQuery.Length() - orderPos);
|
|
1462 |
}
|
|
1463 |
|
|
1464 |
//remove KPlDBNameToken
|
|
1465 |
if ( aDrive == EDriveC )//if playlist on c drive
|
|
1466 |
{
|
|
1467 |
RemoveDriveAlias(aQuery,KPlDBNameToken);
|
|
1468 |
}
|
|
1469 |
else
|
|
1470 |
{//for other drives
|
|
1471 |
for (TInt i = 0; i < dbCount; ++i)
|
|
1472 |
{
|
|
1473 |
if (iDatabaseHandles[i].iOpen && (iDatabaseHandles[i].iDrive == aDrive))
|
|
1474 |
{
|
|
1475 |
ReplaceDriveAlias(aQuery, *(iDatabaseHandles[i].iAliasname),
|
|
1476 |
KPlDBNameToken);
|
|
1477 |
break;
|
|
1478 |
}
|
|
1479 |
}
|
|
1480 |
}
|
|
1481 |
|
|
1482 |
queryPtr.Append(aQuery);// for cdrive
|
|
1483 |
RemoveDriveAlias(queryPtr);
|
|
1484 |
for (TInt i = 0; i < dbCount; ++i)//for other drives
|
|
1485 |
{
|
|
1486 |
if (iDatabaseHandles[i].iOpen)
|
|
1487 |
{
|
|
1488 |
queryPtr.Append(KUnionAllToken);
|
|
1489 |
queryPtr.Append(aQuery);
|
|
1490 |
ReplaceDriveAlias(queryPtr, *(iDatabaseHandles[i].iAliasname));
|
|
1491 |
}
|
|
1492 |
}
|
|
1493 |
|
|
1494 |
if (orderBuf)
|
|
1495 |
{
|
|
1496 |
queryPtr.Append(orderBuf->Des());
|
|
1497 |
}
|
|
1498 |
delete orderBuf;
|
|
1499 |
if (enclosed != KErrNotFound)
|
|
1500 |
{
|
|
1501 |
selectOutBuf->Des().Insert(enclosed, query->Des());
|
|
1502 |
queryPtr.Copy(selectOutBuf->Des());
|
|
1503 |
CleanupStack::PopAndDestroy(selectOutBuf);
|
|
1504 |
}
|
|
1505 |
|
|
1506 |
// Log the query string before execution
|
|
1507 |
TPtrC ptr(query->Left(KMaxLogQuery));
|
|
1508 |
MPX_DEBUG2("Query: %S", &ptr);
|
|
1509 |
|
|
1510 |
// Return a temporary statement and not a member variable.
|
|
1511 |
// This ensures that a copy is done and a second embedded query can be
|
|
1512 |
// executed while the first result set is processed.
|
|
1513 |
RSqlStatement statement;
|
|
1514 |
TInt err(statement.Prepare(iDatabase, queryPtr));
|
|
1515 |
User::LeaveIfError(err);
|
|
1516 |
CleanupStack::PopAndDestroy(query);
|
|
1517 |
|
|
1518 |
return statement;
|
|
1519 |
}
|
|
1520 |
|
|
1521 |
// ----------------------------------------------------------------------------
|
|
1522 |
// CMPXDbManager::ExecuteSelectQueryOnDriveLryLC
|
|
1523 |
// ----------------------------------------------------------------------------
|
|
1524 |
//
|
|
1525 |
RSqlStatement CMPXDbManager::ExecuteSelectQueryOnDriveL(
|
|
1526 |
TInt aDrive,
|
|
1527 |
TPtr aQuery)
|
|
1528 |
{
|
|
1529 |
MPX_FUNC("CMPXDatabase::ExecuteSelectQueryOnDriveL");
|
|
1530 |
|
|
1531 |
RSqlStatement statement;
|
|
1532 |
if (KDbManagerAllDrives == aDrive)
|
|
1533 |
{
|
|
1534 |
statement = ExecuteSelectQueryOnAllDrivesL(aQuery);
|
|
1535 |
}
|
|
1536 |
else
|
|
1537 |
{
|
|
1538 |
TInt dbCount(iDatabaseHandles.Count());
|
|
1539 |
|
|
1540 |
// flag to check if the query was executed at least once
|
|
1541 |
TBool queryExecuted = EFalse;
|
|
1542 |
|
|
1543 |
HBufC* query = HBufC::NewLC(aQuery.Length() + KBufIncrement);
|
|
1544 |
TPtr queryPtr = query->Des();
|
|
1545 |
queryPtr.Copy(aQuery);
|
|
1546 |
if (aDrive == EDriveC) //if C drive
|
|
1547 |
{
|
|
1548 |
RemoveDriveAlias(queryPtr);
|
|
1549 |
}
|
|
1550 |
else // drive other than C drive
|
|
1551 |
{
|
|
1552 |
for (TInt i = 0; i < dbCount; ++i)
|
|
1553 |
{
|
|
1554 |
if (iDatabaseHandles[i].iOpen && (iDatabaseHandles[i].iDrive == aDrive))
|
|
1555 |
{
|
|
1556 |
ReplaceDriveAlias(queryPtr, *(iDatabaseHandles[i].iAliasname));
|
|
1557 |
break;
|
|
1558 |
}
|
|
1559 |
}
|
|
1560 |
}
|
|
1561 |
|
|
1562 |
TInt dbnamePos = queryPtr.Find(KDBNameToken);// check if the query was created correctly
|
|
1563 |
if (dbnamePos == KErrNotFound)
|
|
1564 |
{
|
|
1565 |
// Log the query string before execution
|
|
1566 |
TPtrC ptr(query->Left(KMaxLogQuery));
|
|
1567 |
MPX_DEBUG2("Query: %S", &ptr);
|
|
1568 |
|
|
1569 |
User::LeaveIfError(statement.Prepare(iDatabase, queryPtr));
|
|
1570 |
queryExecuted = ETrue;
|
|
1571 |
}
|
|
1572 |
CleanupStack::PopAndDestroy(query);
|
|
1573 |
|
|
1574 |
if (!queryExecuted)
|
|
1575 |
{
|
|
1576 |
// the requested drive(s) is not open
|
|
1577 |
User::Leave(KErrNotFound);
|
|
1578 |
}
|
|
1579 |
}
|
|
1580 |
|
|
1581 |
return statement;
|
|
1582 |
}
|
|
1583 |
|
|
1584 |
// ----------------------------------------------------------------------------
|
|
1585 |
// Prepare a query for execution on all open database. This query's lifetime
|
|
1586 |
// is owned by the dbmanager
|
|
1587 |
// ----------------------------------------------------------------------------
|
|
1588 |
//
|
|
1589 |
RSqlStatement& CMPXDbManager::PrepareQueryL( TUint aStatementId,
|
|
1590 |
TRefByValue<const TDesC> aFmt,
|
|
1591 |
VA_LIST aList )
|
|
1592 |
{
|
|
1593 |
// Try to find the query first if it has been created
|
|
1594 |
TInt index(KErrNotFound);
|
|
1595 |
TInt c(iPreparedStatements.Count());
|
|
1596 |
|
|
1597 |
for( TInt i=0; i<c; ++i )
|
|
1598 |
{
|
|
1599 |
if( iPreparedStatements[i].iId == aStatementId )
|
|
1600 |
{
|
|
1601 |
index = i;
|
|
1602 |
break;
|
|
1603 |
}
|
|
1604 |
}
|
|
1605 |
|
|
1606 |
// If the index isn't found we create a new query statement
|
|
1607 |
//
|
|
1608 |
if( index == KErrNotFound )
|
|
1609 |
{
|
|
1610 |
RSqlStatement* newStatement = new(ELeave) RSqlStatement();
|
|
1611 |
CleanupStack::PushL(newStatement);
|
|
1612 |
|
|
1613 |
TSqlStatementState newState;
|
|
1614 |
newState.iId = aStatementId;
|
|
1615 |
newState.iPrepared = EFalse;
|
|
1616 |
iPreparedStatements.AppendL( newState );
|
|
1617 |
|
|
1618 |
TInt err = iStatements.Append( newStatement ); // ownership x-fer
|
|
1619 |
if (err != KErrNone)
|
|
1620 |
{
|
|
1621 |
iPreparedStatements.Remove(c);
|
|
1622 |
User::Leave(err);
|
|
1623 |
}
|
|
1624 |
CleanupStack::Pop(newStatement);
|
|
1625 |
index = c;
|
|
1626 |
}
|
|
1627 |
|
|
1628 |
// Finally create the statement
|
|
1629 |
if ( !iPreparedStatements[index].iPrepared )
|
|
1630 |
{
|
|
1631 |
|
|
1632 |
// Will reallocate
|
|
1633 |
HBufC* selectBuf = FormatQueryLC(aFmt, aList);
|
|
1634 |
TPtr selectBufPtr = selectBuf->Des();
|
|
1635 |
TInt dbCount = iDatabaseHandles.Count();
|
|
1636 |
HBufC* query = HBufC::NewLC(selectBufPtr.Length() * (dbCount + 1) +
|
|
1637 |
KUnionAllToken().Length() * dbCount);
|
|
1638 |
TPtr queryPtr = query->Des();
|
|
1639 |
HBufC* selectOutBuf = NULL;
|
|
1640 |
TInt enclosed = selectBufPtr.Mid(1,selectBufPtr.Length() - 1).Find(KSelectToken);
|
|
1641 |
if (enclosed != KErrNotFound)
|
|
1642 |
{
|
|
1643 |
enclosed++;//to compensate the indent
|
|
1644 |
selectOutBuf = HBufC::NewLC(selectBufPtr.Length() * (dbCount + 1) +
|
|
1645 |
KUnionAllToken().Length() * dbCount);
|
|
1646 |
selectOutBuf->Des().Copy(selectBufPtr.Left(enclosed));
|
|
1647 |
selectOutBuf->Des().Append(selectBufPtr.Right(1));//the closing bracket
|
|
1648 |
selectBufPtr.Delete(0, enclosed);
|
|
1649 |
selectBufPtr.Delete(selectBufPtr.Length() - 1, 1);
|
|
1650 |
}
|
|
1651 |
|
|
1652 |
HBufC* orderBuf = NULL;
|
|
1653 |
TInt orderPos = selectBufPtr.Find(KOrderByToken);
|
|
1654 |
if (orderPos != KErrNotFound)
|
|
1655 |
{
|
|
1656 |
orderBuf = selectBufPtr.Right(selectBufPtr.Length() - orderPos).AllocL();
|
|
1657 |
selectBufPtr.Delete(orderPos, selectBufPtr.Length() - orderPos);
|
|
1658 |
}
|
|
1659 |
queryPtr.Append(selectBufPtr);// for cdrive
|
|
1660 |
RemoveDriveAlias(queryPtr);
|
|
1661 |
for (TInt i = 0; i < dbCount; ++i)//for other drives
|
|
1662 |
{
|
|
1663 |
if (iDatabaseHandles[i].iOpen)
|
|
1664 |
{
|
|
1665 |
queryPtr.Append(KUnionAllToken);
|
|
1666 |
queryPtr.Append(selectBufPtr);
|
|
1667 |
ReplaceDriveAlias(queryPtr, *(iDatabaseHandles[i].iAliasname));
|
|
1668 |
}
|
|
1669 |
}
|
|
1670 |
if (orderBuf)
|
|
1671 |
{
|
|
1672 |
queryPtr.Append(orderBuf->Des());
|
|
1673 |
}
|
|
1674 |
delete orderBuf;
|
|
1675 |
if (enclosed != KErrNotFound)
|
|
1676 |
{
|
|
1677 |
selectOutBuf->Des().Insert(enclosed, query->Des());
|
|
1678 |
queryPtr.Copy(selectOutBuf->Des());
|
|
1679 |
CleanupStack::PopAndDestroy(selectOutBuf);
|
|
1680 |
}
|
|
1681 |
|
|
1682 |
// Log the query string before execution
|
|
1683 |
TPtrC ptr(query->Left(KMaxLogQuery));
|
|
1684 |
MPX_DEBUG2("Query: %S", &ptr);
|
|
1685 |
|
|
1686 |
// use the member variable statement
|
|
1687 |
User::LeaveIfError(iStatements[index]->Prepare(iDatabase, queryPtr));
|
|
1688 |
CleanupStack::PopAndDestroy(2, selectBuf); //query
|
|
1689 |
|
|
1690 |
iPreparedStatements[index].iPrepared = ETrue;
|
|
1691 |
}
|
|
1692 |
else
|
|
1693 |
{
|
|
1694 |
iStatements[index]->Reset();
|
|
1695 |
}
|
|
1696 |
|
|
1697 |
return *iStatements[index];
|
|
1698 |
}
|
|
1699 |
|
|
1700 |
// ----------------------------------------------------------------------------
|
|
1701 |
// Resets all prepared queries
|
|
1702 |
// ----------------------------------------------------------------------------
|
|
1703 |
//
|
|
1704 |
void CMPXDbManager::ResetPreparedQueries()
|
|
1705 |
{
|
|
1706 |
MPX_FUNC("CMPXDbManager::ResetPreparedQueries");
|
|
1707 |
iPreparedStatements.Reset();
|
|
1708 |
|
|
1709 |
TInt c( iStatements.Count() );
|
|
1710 |
for( TInt i=0; i<c; ++i )
|
|
1711 |
{
|
|
1712 |
iStatements[i]->Close();
|
|
1713 |
}
|
|
1714 |
iStatements.ResetAndDestroy();
|
|
1715 |
}
|
|
1716 |
|
|
1717 |
// ----------------------------------------------------------------------------
|
|
1718 |
// Asks all registered tables to create themselves
|
|
1719 |
// ----------------------------------------------------------------------------
|
|
1720 |
//
|
|
1721 |
EXPORT_C void CMPXDbManager::CreateTablesL(
|
|
1722 |
RSqlDatabase& aDatabase)
|
|
1723 |
{
|
|
1724 |
MPX_FUNC("CMPXDbManager::CreateTablesL");
|
|
1725 |
|
|
1726 |
CreateTablesL(aDatabase, EFalse);
|
|
1727 |
}
|
|
1728 |
|
|
1729 |
// ----------------------------------------------------------------------------
|
|
1730 |
// CleanupTransaction: close transaction when creating DB
|
|
1731 |
// ----------------------------------------------------------------------------
|
|
1732 |
//
|
|
1733 |
static void CleanupTransaction(TAny * aDatabase)
|
|
1734 |
{
|
|
1735 |
TInt err = ((RSqlDatabase*)aDatabase)->Exec(KRollbackTransaction);
|
|
1736 |
MPX_DEBUG2("CMPXDbManager CleanupTransaction rollback, error %d", err);
|
|
1737 |
}
|
|
1738 |
|
|
1739 |
// ----------------------------------------------------------------------------
|
|
1740 |
// CMPXDbManager::CreateTablesL
|
|
1741 |
// ----------------------------------------------------------------------------
|
|
1742 |
//
|
|
1743 |
void CMPXDbManager::CreateTablesL(
|
|
1744 |
RSqlDatabase& aDatabase,
|
|
1745 |
TBool aCorrupt)
|
|
1746 |
{
|
|
1747 |
MPX_FUNC("CMPXDbManager::CreateTablesL");
|
|
1748 |
TInt err = aDatabase.Exec(KBeginTransaction);
|
|
1749 |
if (err < 0)
|
|
1750 |
{
|
|
1751 |
MPX_DEBUG2("SQL BEGIN TRANSACTION error %d", err);
|
|
1752 |
User::Leave (err);
|
|
1753 |
}
|
|
1754 |
CleanupStack::PushL(TCleanupItem(&CleanupTransaction, &aDatabase));
|
|
1755 |
TInt count(iTables.Count());
|
|
1756 |
for (TInt i = 0; i < count; ++i)
|
|
1757 |
{
|
|
1758 |
iTables[i]->CreateTableL(aDatabase, aCorrupt);
|
|
1759 |
}
|
|
1760 |
err = aDatabase.Exec(KCommitTransaction);
|
|
1761 |
if (err < 0)
|
|
1762 |
{
|
|
1763 |
MPX_DEBUG2("SQL COMMIT TRANSACTION error %d", err);
|
|
1764 |
User::Leave (err);
|
|
1765 |
}
|
|
1766 |
CleanupStack::Pop();
|
|
1767 |
}
|
|
1768 |
|
|
1769 |
// ----------------------------------------------------------------------------
|
|
1770 |
// Opens root database on C-drive
|
|
1771 |
// ----------------------------------------------------------------------------
|
|
1772 |
//
|
|
1773 |
void CMPXDbManager::OpenRootDatabaseL()
|
|
1774 |
{
|
|
1775 |
MPX_FUNC("CMPXDbManager::OpenRootDatabaseL");
|
|
1776 |
TDriveUnit cdrive(KRootDrive());
|
|
1777 |
HBufC * filename = CreateFilenameL(cdrive);
|
|
1778 |
CleanupStack::PushL(filename);
|
|
1779 |
User::LeaveIfError(iDatabase.Open(*filename));
|
|
1780 |
|
|
1781 |
CleanupStack::PopAndDestroy(filename);
|
|
1782 |
}
|
|
1783 |
|
|
1784 |
// ----------------------------------------------------------------------------
|
|
1785 |
// Creates a specified database.
|
|
1786 |
// ----------------------------------------------------------------------------
|
|
1787 |
//
|
|
1788 |
void CMPXDbManager::CreateDatabaseL(
|
|
1789 |
TDriveUnit aDrive)
|
|
1790 |
{
|
|
1791 |
MPX_FUNC("CMPXDbManager::CreateDatabaseL");
|
|
1792 |
|
|
1793 |
RSqlDatabase database;
|
|
1794 |
CleanupClosePushL(database);
|
|
1795 |
|
|
1796 |
HBufC* filename = CreateFilenameL(aDrive);
|
|
1797 |
CleanupStack::PushL(filename);
|
|
1798 |
|
|
1799 |
if (database.Open(filename->Des()) != KErrNone)
|
|
1800 |
{
|
|
1801 |
MPX_DEBUG3("CMPXDbManager::CreateDatabaseL - cannot open db on drive %d %S", TInt(aDrive), filename);
|
|
1802 |
|
|
1803 |
// close the database first
|
|
1804 |
database.Close();
|
|
1805 |
DoCreateDatabaseL( aDrive );
|
|
1806 |
}
|
|
1807 |
else
|
|
1808 |
{
|
|
1809 |
TBool tableOK(ETrue);
|
|
1810 |
|
|
1811 |
// try to detect any corrupt tables
|
|
1812 |
TInt count(iTables.Count());
|
|
1813 |
for (TInt i = 0; i < count; ++i)
|
|
1814 |
{
|
|
1815 |
// ask the table to check its structure
|
|
1816 |
if (!iTables[i]->CheckTableL(database))
|
|
1817 |
{
|
|
1818 |
tableOK = EFalse;
|
|
1819 |
break;
|
|
1820 |
}
|
|
1821 |
}
|
|
1822 |
|
|
1823 |
if (!tableOK)
|
|
1824 |
{
|
|
1825 |
// close the database first
|
|
1826 |
database.Close();
|
|
1827 |
|
|
1828 |
// delete database and create database
|
|
1829 |
DoCreateDatabaseL( aDrive );
|
|
1830 |
}
|
|
1831 |
}
|
|
1832 |
CleanupStack::PopAndDestroy(filename);
|
|
1833 |
CleanupStack::PopAndDestroy(&database);
|
|
1834 |
}
|
|
1835 |
|
|
1836 |
// ----------------------------------------------------------------------------
|
|
1837 |
// Attaches a specified database.
|
|
1838 |
// ----------------------------------------------------------------------------
|
|
1839 |
//
|
|
1840 |
void CMPXDbManager::AttachDatabaseL( TInt aIndex )
|
|
1841 |
{
|
|
1842 |
MPX_FUNC("CMPXDbManager::AttachDatabaseL");
|
|
1843 |
ASSERT( aIndex < iDatabaseHandles.Count() );
|
|
1844 |
DatabaseHandle & database = iDatabaseHandles[ aIndex ];
|
|
1845 |
if (!database.iOpen)
|
|
1846 |
{
|
|
1847 |
HBufC* filename = CreateFilenameL( database.iDrive );
|
|
1848 |
CleanupStack::PushL(filename);
|
|
1849 |
|
|
1850 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
1851 |
if( database.iUseRAMdb )
|
|
1852 |
{
|
|
1853 |
delete database.iAliasname;
|
|
1854 |
database.iAliasname = HBufC::NewL(KAliasName().Length());
|
|
1855 |
HBufC* temp = HBufC::NewLC(2); // form of DE, DF, DX,...
|
|
1856 |
temp->Des().Append(iRAMDrive); // length == 2
|
|
1857 |
TDriveUnit pdrive( database.iDrive );
|
|
1858 |
temp->Des().Append(pdrive.Name().Left(1)); //length == 2+ 1
|
|
1859 |
database.iAliasname->Des().Format(KRAMAliasName, temp);
|
|
1860 |
MPX_DEBUG2("CMPXDbManager::AttachDatabaseL - RAM change aliasname of %S", database.iAliasname );
|
|
1861 |
CleanupStack::PopAndDestroy(temp);
|
|
1862 |
}
|
|
1863 |
else
|
|
1864 |
#endif //__RAMDISK_PERF_ENABLE
|
|
1865 |
{
|
|
1866 |
delete database.iAliasname;
|
|
1867 |
TDriveUnit drive( database.iDrive );
|
|
1868 |
const TDesC& driveName = drive.Name();
|
|
1869 |
database.iAliasname = HBufC::NewL(KAliasName().Length());
|
|
1870 |
database.iAliasname->Des().Format(KAliasName, &driveName);
|
|
1871 |
MPX_DEBUG2("CMPXDbManager::AttachDatabaseL - normal change aliasname of %S", database.iAliasname);
|
|
1872 |
}
|
|
1873 |
|
|
1874 |
TInt err = iDatabase.Attach( *filename, *database.iAliasname );
|
|
1875 |
MPX_DEBUG2("CMPXDbManager::AttachDatabaseL - Attach Error =%d", err);
|
|
1876 |
User::LeaveIfError(err);
|
|
1877 |
database.iOpen = ETrue;
|
|
1878 |
|
|
1879 |
CleanupStack::PopAndDestroy(filename);
|
|
1880 |
}
|
|
1881 |
else
|
|
1882 |
{
|
|
1883 |
MPX_DEBUG1("CMPXDbManager::AttachDatabaseL - found already open");
|
|
1884 |
}
|
|
1885 |
}
|
|
1886 |
|
|
1887 |
// ----------------------------------------------------------------------------
|
|
1888 |
// Detaches a specified database.
|
|
1889 |
// ----------------------------------------------------------------------------
|
|
1890 |
//
|
|
1891 |
void CMPXDbManager::DetachDatabaseL( TInt aIndex )
|
|
1892 |
{
|
|
1893 |
MPX_FUNC("CMPXDbManager::DetachDatabaseL");
|
|
1894 |
|
|
1895 |
ASSERT( iInitialized && aIndex < iDatabaseHandles.Count() );
|
|
1896 |
DatabaseHandle & database = iDatabaseHandles[ aIndex ];
|
|
1897 |
if ( database.iOpen )
|
|
1898 |
{
|
|
1899 |
MPX_DEBUG2("CMPXDbManager::DetachDatabaseL iAliasname=%S is open",database.iAliasname );
|
|
1900 |
TInt err = iDatabase.Detach(*(database.iAliasname));
|
|
1901 |
if ( err )
|
|
1902 |
{
|
|
1903 |
MPX_DEBUG2("CMPXDbManager::DetachDatabaseL detach failed Error=%d", err);
|
|
1904 |
}
|
|
1905 |
User::LeaveIfError(err);
|
|
1906 |
database.iOpen = EFalse;
|
|
1907 |
}
|
|
1908 |
}
|
|
1909 |
|
|
1910 |
// ----------------------------------------------------------------------------
|
|
1911 |
// Creates the absolute database filename on a specified drive.
|
|
1912 |
// ----------------------------------------------------------------------------
|
|
1913 |
//
|
|
1914 |
HBufC* CMPXDbManager::CreateFilenameL(
|
|
1915 |
TDriveUnit aDrive)
|
|
1916 |
{
|
|
1917 |
MPX_FUNC("CMPXDbManager::CreateFilenameL");
|
|
1918 |
|
|
1919 |
HBufC* filename = HBufC::NewL(KMaxFileName);
|
|
1920 |
|
|
1921 |
const TDesC& securefilePath = KSecureFilePath;
|
|
1922 |
TDriveUnit cdrive(KRootDrive());
|
|
1923 |
|
|
1924 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
1925 |
TInt index(GetDatabaseIndex((TInt)aDrive));
|
|
1926 |
if ( index >=0 && iDatabaseHandles[index].iUseRAMdb && aDrive != cdrive )
|
|
1927 |
{
|
|
1928 |
MPX_DEBUG1("CMPXDbManager::CreateFilenameL - use RAMDisk");
|
|
1929 |
TFileName path;
|
|
1930 |
path.Append(iRAMDrive);
|
|
1931 |
path.Append(_L(":"));
|
|
1932 |
TBuf<2> d;
|
|
1933 |
d.Append(aDrive.Name());
|
|
1934 |
TFileName temp;
|
|
1935 |
temp.Append(d.Left(1)); // attach original drive name
|
|
1936 |
temp.Append(iDbFile->Des());
|
|
1937 |
filename->Des().Format(securefilePath, &path, User::Identity().iUid, &temp);
|
|
1938 |
MPX_DEBUG3("CMPXDbManager::CreateFilenameL - path=%S filename=%S", &path, filename);
|
|
1939 |
}
|
|
1940 |
else
|
|
1941 |
#endif //__RAMDISK_PERF_ENABLE
|
|
1942 |
{
|
|
1943 |
MPX_DEBUG1("CMPXDbManager::CreateFilenameL - use normal drive");
|
|
1944 |
const TDesC& driveName = aDrive.Name();
|
|
1945 |
filename->Des().Format(securefilePath, &driveName, User::Identity().iUid, iDbFile);
|
|
1946 |
}
|
|
1947 |
|
|
1948 |
MPX_DEBUG2("CMPXDbManager::CreateFilenameL filename = %S", filename);
|
|
1949 |
return filename;
|
|
1950 |
}
|
|
1951 |
|
|
1952 |
// ----------------------------------------------------------------------------
|
|
1953 |
// Replaces :dbname with a drive alias
|
|
1954 |
// ----------------------------------------------------------------------------
|
|
1955 |
//
|
|
1956 |
void CMPXDbManager::ReplaceDriveAlias(
|
|
1957 |
TDes& aQuery,
|
|
1958 |
const TDesC& aAlias)
|
|
1959 |
{
|
|
1960 |
// MPX_FUNC("CMPXDbManager::ReplaceDriveAlias");
|
|
1961 |
|
|
1962 |
TInt dbnamePos(aQuery.Find(KDBNameToken));
|
|
1963 |
while (dbnamePos != KErrNotFound)
|
|
1964 |
{
|
|
1965 |
aQuery.Delete(dbnamePos, KDBNameToken().Length());
|
|
1966 |
aQuery.Insert(dbnamePos, aAlias);
|
|
1967 |
dbnamePos = aQuery.Find(KDBNameToken);
|
|
1968 |
}
|
|
1969 |
}
|
|
1970 |
|
|
1971 |
// ----------------------------------------------------------------------------
|
|
1972 |
// Replaces :dbname with a drive alias
|
|
1973 |
// ----------------------------------------------------------------------------
|
|
1974 |
//
|
|
1975 |
void CMPXDbManager::ReplaceDriveAlias(
|
|
1976 |
TDes& aQuery,
|
|
1977 |
const TDesC& aAlias,
|
|
1978 |
const TDesC& aToKen)
|
|
1979 |
{
|
|
1980 |
|
|
1981 |
TInt dbnamePos(aQuery.Find(aToKen));
|
|
1982 |
while (dbnamePos != KErrNotFound)
|
|
1983 |
{
|
|
1984 |
aQuery.Delete(dbnamePos, aToKen.Length());
|
|
1985 |
aQuery.Insert(dbnamePos, aAlias);
|
|
1986 |
dbnamePos = aQuery.Find(aToKen);
|
|
1987 |
}
|
|
1988 |
}
|
|
1989 |
|
|
1990 |
// ----------------------------------------------------------------------------
|
|
1991 |
// Removes :dbname
|
|
1992 |
// ----------------------------------------------------------------------------
|
|
1993 |
//
|
|
1994 |
void CMPXDbManager::RemoveDriveAlias(
|
|
1995 |
TDes& aQuery)
|
|
1996 |
{
|
|
1997 |
MPX_FUNC("CMPXDbManager::RemoveDriveAlias");
|
|
1998 |
|
|
1999 |
TInt dbnamePos(aQuery.Find(KDBNameToken));
|
|
2000 |
while (dbnamePos != KErrNotFound)
|
|
2001 |
{
|
|
2002 |
aQuery.Delete(dbnamePos, KDBNameToken().Length() + 1);
|
|
2003 |
dbnamePos = aQuery.Find(KDBNameToken);
|
|
2004 |
}
|
|
2005 |
}
|
|
2006 |
|
|
2007 |
|
|
2008 |
// ----------------------------------------------------------------------------
|
|
2009 |
// Removes :dbname
|
|
2010 |
// ----------------------------------------------------------------------------
|
|
2011 |
//
|
|
2012 |
void CMPXDbManager::RemoveDriveAlias(
|
|
2013 |
TDes& aQuery,const TDesC& aToKen)
|
|
2014 |
{
|
|
2015 |
MPX_FUNC("CMPXDbManager::RemoveDriveAlias");
|
|
2016 |
|
|
2017 |
TInt dbnamePos(aQuery.Find(aToKen));
|
|
2018 |
while (dbnamePos != KErrNotFound)
|
|
2019 |
{
|
|
2020 |
aQuery.Delete(dbnamePos, aToKen.Length() + 1);
|
|
2021 |
dbnamePos = aQuery.Find(aToKen);
|
|
2022 |
}
|
|
2023 |
}
|
|
2024 |
|
|
2025 |
|
|
2026 |
// ----------------------------------------------------------------------------
|
|
2027 |
// CMPXDbManager::CheckDiskSpaceL
|
|
2028 |
// ----------------------------------------------------------------------------
|
|
2029 |
//
|
|
2030 |
EXPORT_C void CMPXDbManager::CheckDiskSpaceL(
|
|
2031 |
TInt aDrive)
|
|
2032 |
{
|
|
2033 |
MPX_FUNC("CMPXDbManager::CheckDiskSpaceL");
|
|
2034 |
|
|
2035 |
// LTAN-7GH6BZ, crash if eject memory card when adding song to existing playlist
|
|
2036 |
// due to special timing issue, it is possible drive number is -1 and create a
|
|
2037 |
// panic when use for TDriveUnit
|
|
2038 |
MPX_DEBUG2("aDrive = %d", aDrive);
|
|
2039 |
|
|
2040 |
if (aDrive < 0)
|
|
2041 |
{
|
|
2042 |
MPX_DEBUG1("invalid driveId, leave with KErrNotReady");
|
|
2043 |
User::Leave(KErrNotReady);
|
|
2044 |
}
|
|
2045 |
|
|
2046 |
EnsureDiskSpaceL(aDrive);
|
|
2047 |
}
|
|
2048 |
|
|
2049 |
// ----------------------------------------------------------------------------
|
|
2050 |
// Regenerate all databases.
|
|
2051 |
// ----------------------------------------------------------------------------
|
|
2052 |
//
|
|
2053 |
EXPORT_C void CMPXDbManager::RegenerateAllDatabasesL()
|
|
2054 |
{
|
|
2055 |
MPX_DEBUG1("CMPXDbManager::RegenerateAllDatabasesL Enter");
|
|
2056 |
ResetPreparedQueries(); //just in case ...
|
|
2057 |
TInt handles(iDatabaseHandles.Count());
|
|
2058 |
for (TInt i = 0; i < handles; ++i)
|
|
2059 |
{
|
|
2060 |
iDatabaseHandles[i].iOpen = EFalse; //attach will open them again
|
|
2061 |
}
|
|
2062 |
iDatabase.Close(); //close the database before deleting the file
|
|
2063 |
iInitialized = EFalse;
|
|
2064 |
|
|
2065 |
MPX_DEBUG1("RegenerateAllDatabasesL: Regenerating main DB on C:");
|
|
2066 |
HBufC * filename = CreateFilenameL(EDriveC);
|
|
2067 |
CleanupStack::PushL(filename);
|
|
2068 |
RSqlDatabase::Delete(*filename);
|
|
2069 |
TDriveUnit cdrive(KRootDrive());
|
|
2070 |
CreateDatabaseL(cdrive);
|
|
2071 |
User::LeaveIfError(iDatabase.Open(*filename)); // will set handle status later
|
|
2072 |
CleanupStack::PopAndDestroy(filename);
|
|
2073 |
MPX_DEBUG1("RegenerateAllDatabasesL: DB regeneration complete");
|
|
2074 |
|
|
2075 |
// Recreate all attached drives
|
|
2076 |
TInt count(iDatabaseHandles.Count());
|
|
2077 |
for (TInt i = 0; i < count; ++i)
|
|
2078 |
{
|
|
2079 |
if (iDatabaseHandles[i].iDrive != EDriveC)
|
|
2080 |
{
|
|
2081 |
MPX_DEBUG2("RegenerateAllDatabasesL: Regenerating DB on %d",iDatabaseHandles[i].iDrive);
|
|
2082 |
TVolumeInfo volumeInfo;
|
|
2083 |
TInt err = iFs.Volume(volumeInfo,iDatabaseHandles[i].iDrive);
|
|
2084 |
if(err != KErrNone)
|
|
2085 |
{
|
|
2086 |
continue; //if drive is not currently accessible, skip
|
|
2087 |
}
|
|
2088 |
filename = CreateFilenameL(iDatabaseHandles[i].iDrive);
|
|
2089 |
CleanupStack::PushL(filename);
|
|
2090 |
MPX_DEBUG1("RegenerateAllDatabasesL: Detaching DB");
|
|
2091 |
err = iDatabase.Detach(*(iDatabaseHandles[i].iAliasname)); //ignore the error if any
|
|
2092 |
MPX_DEBUG2("RegenerateAllDatabasesL: Detached[err=%d]; Deleting DB",err);
|
|
2093 |
err = RSqlDatabase::Delete(*filename);
|
|
2094 |
MPX_DEBUG2("RegenerateAllDatabasesL: Deleted[err=%d]; Creating new DB",err);
|
|
2095 |
TDriveUnit drive(iDatabaseHandles[i].iDrive);
|
|
2096 |
CreateDatabaseL(drive);
|
|
2097 |
MPX_DEBUG1("RegenerateAllDatabasesL: Attaching new DB");
|
|
2098 |
AttachDatabaseL( i );
|
|
2099 |
MPX_DEBUG1("RegenerateAllDatabasesL: DB regeneration complete");
|
|
2100 |
CleanupStack::PopAndDestroy(filename);
|
|
2101 |
}
|
|
2102 |
else
|
|
2103 |
{
|
|
2104 |
iDatabaseHandles[i].iOpen = ETrue; //if we got here it is opened
|
|
2105 |
}
|
|
2106 |
}
|
|
2107 |
iInitialized = ETrue;
|
|
2108 |
MPX_DEBUG1("CMPXDbManager::RegenerateAllDatabasesL Exit");
|
|
2109 |
}
|
|
2110 |
|
|
2111 |
// ----------------------------------------------------------------------------
|
|
2112 |
// CMPXDbManager::DoRecreateDatabaseL
|
|
2113 |
// ----------------------------------------------------------------------------
|
|
2114 |
//
|
|
2115 |
void CMPXDbManager::DoRecreateDatabaseL(HBufC * aFilename)
|
|
2116 |
{
|
|
2117 |
RSqlDatabase database;
|
|
2118 |
CleanupClosePushL(database);
|
|
2119 |
|
|
2120 |
User::LeaveIfError(database.Open(aFilename->Des()));
|
|
2121 |
|
|
2122 |
TInt count(iTables.Count());
|
|
2123 |
for (TInt i = 0; i < count; ++i)
|
|
2124 |
{
|
|
2125 |
iTables[i]->DropTableL(database);
|
|
2126 |
iTables[i]->CreateTableL(database, EFalse);
|
|
2127 |
}
|
|
2128 |
CleanupStack::PopAndDestroy(&database);
|
|
2129 |
}
|
|
2130 |
|
|
2131 |
// ----------------------------------------------------------------------------
|
|
2132 |
// CMPXDbManager::ExecuteSqlStatement
|
|
2133 |
// ----------------------------------------------------------------------------
|
|
2134 |
//
|
|
2135 |
TInt CMPXDbManager::ExecuteSqlStatement(RSqlDatabase& aDatabase,const TDesC& aStatement)
|
|
2136 |
{
|
|
2137 |
MPX_FUNC("CMPXDbManager::ExecuteSqlStatement");
|
|
2138 |
TInt result( KErrNone );
|
|
2139 |
RSqlStatement sqlStatement;
|
|
2140 |
//Prepare and execute SQL statement
|
|
2141 |
result = sqlStatement.Prepare(aDatabase, aStatement);
|
|
2142 |
if (result == KErrNone)
|
|
2143 |
{
|
|
2144 |
result = sqlStatement.Exec();
|
|
2145 |
//If the database schema was changed or the session expired repeat all the steps
|
|
2146 |
if((result == KSqlErrStmtExpired) || (result == KSqlErrSchema))
|
|
2147 |
{
|
|
2148 |
sqlStatement.Close();
|
|
2149 |
result = sqlStatement.Prepare(aDatabase, aStatement);
|
|
2150 |
if (result == KErrNone)
|
|
2151 |
{
|
|
2152 |
result = sqlStatement.Exec();
|
|
2153 |
}
|
|
2154 |
}
|
|
2155 |
sqlStatement.Close();
|
|
2156 |
}
|
|
2157 |
return result;
|
|
2158 |
}
|
|
2159 |
|
|
2160 |
#ifdef _DEBUG
|
|
2161 |
|
|
2162 |
// ----------------------------------------------------------------------------
|
|
2163 |
// Returns the number of columns from a specified SQL statement
|
|
2164 |
// ----------------------------------------------------------------------------
|
|
2165 |
//
|
|
2166 |
TInt CMPXDbManager::GetColumnCountL(
|
|
2167 |
RSqlStatement& aStatement)
|
|
2168 |
{
|
|
2169 |
TInt columnCount(0);
|
|
2170 |
|
|
2171 |
// Using TSqlRowSetUtil causes linker errors on ARMv5 UDEB
|
|
2172 |
// Enabling this functionality for WINSCW UDEB only
|
|
2173 |
// PREQ2536 the files sqlrowsetutil.h and sqlrowsetutil.cpp has been removed
|
|
2174 |
//#ifdef __WINSCW__
|
|
2175 |
//
|
|
2176 |
// HBufC* headers = TSqlRowSetUtil::GetDeclColumnTypesL(aStatement);
|
|
2177 |
// CleanupStack::PushL(headers);
|
|
2178 |
//
|
|
2179 |
// // Count the number of semicolons to get the number of columns
|
|
2180 |
// TPtr headerPtr = headers->Des();
|
|
2181 |
// TInt location(headerPtr.Locate(';'));
|
|
2182 |
// while ((location != KErrNotFound) && (location < headers->Length()))
|
|
2183 |
// {
|
|
2184 |
// ++columnCount;
|
|
2185 |
// if (++location < headers->Length())
|
|
2186 |
// {
|
|
2187 |
// headerPtr = headers->Des().Mid(location);
|
|
2188 |
// location = headerPtr.Locate(';');
|
|
2189 |
// }
|
|
2190 |
// }
|
|
2191 |
// CleanupStack::PopAndDestroy(headers);
|
|
2192 |
//
|
|
2193 |
//#else
|
|
2194 |
(void)aStatement;
|
|
2195 |
//#endif
|
|
2196 |
|
|
2197 |
return columnCount;
|
|
2198 |
}
|
|
2199 |
|
|
2200 |
// ----------------------------------------------------------------------------
|
|
2201 |
// Prints the table values from a specified SQL query
|
|
2202 |
// ----------------------------------------------------------------------------
|
|
2203 |
//
|
|
2204 |
void CMPXDbManager::PrintTableValuesL(
|
|
2205 |
RSqlStatement& aStatement)
|
|
2206 |
{
|
|
2207 |
TInt columnCount(GetColumnCountL(aStatement));
|
|
2208 |
TInt err(KErrNone);
|
|
2209 |
HBufC* tableRow = HBufC::NewLC(255 * columnCount);
|
|
2210 |
TPtr tableRowPtr = tableRow->Des();
|
|
2211 |
|
|
2212 |
while ((err = aStatement.Next()) == KSqlAtRow)
|
|
2213 |
{
|
|
2214 |
tableRowPtr.Zero();
|
|
2215 |
TInt error(KErrNone);
|
|
2216 |
for (TInt index = 0; (error == KErrNone) && (index < columnCount); ++index)
|
|
2217 |
{
|
|
2218 |
if (index !=0)
|
|
2219 |
{
|
|
2220 |
tableRowPtr.Append(',');
|
|
2221 |
}
|
|
2222 |
switch (aStatement.ColumnType(index))
|
|
2223 |
{
|
|
2224 |
case ESqlNull:
|
|
2225 |
tableRowPtr.Append(_L("<NULL>"));
|
|
2226 |
break;
|
|
2227 |
|
|
2228 |
case ESqlInt:
|
|
2229 |
{
|
|
2230 |
tableRowPtr.AppendFormat(_L("%u"), aStatement.ColumnInt(index));
|
|
2231 |
}
|
|
2232 |
break;
|
|
2233 |
|
|
2234 |
case ESqlInt64:
|
|
2235 |
{
|
|
2236 |
tableRowPtr.AppendFormat(_L("%lu"), aStatement.ColumnInt64(index));
|
|
2237 |
}
|
|
2238 |
break;
|
|
2239 |
|
|
2240 |
case ESqlReal:
|
|
2241 |
{
|
|
2242 |
tableRowPtr.AppendFormat(_L("%f"), aStatement.ColumnReal(index));
|
|
2243 |
}
|
|
2244 |
break;
|
|
2245 |
|
|
2246 |
case ESqlText:
|
|
2247 |
{
|
|
2248 |
TPtrC columnValue;
|
|
2249 |
error = aStatement.ColumnText(index, columnValue);
|
|
2250 |
if (error == KErrNone)
|
|
2251 |
{
|
|
2252 |
tableRowPtr.AppendFormat(_L("%S"), &columnValue);
|
|
2253 |
}
|
|
2254 |
}
|
|
2255 |
break;
|
|
2256 |
|
|
2257 |
case ESqlBinary:
|
|
2258 |
{
|
|
2259 |
TPtrC8 columnValue;
|
|
2260 |
error = aStatement.ColumnBinary(index, columnValue);
|
|
2261 |
if (error == KErrNone)
|
|
2262 |
{
|
|
2263 |
tableRowPtr.AppendFormat(_L("%S"), &columnValue);
|
|
2264 |
}
|
|
2265 |
}
|
|
2266 |
break;
|
|
2267 |
|
|
2268 |
default :
|
|
2269 |
ASSERT(EFalse);
|
|
2270 |
}
|
|
2271 |
|
|
2272 |
if (tableRowPtr.Length() > 255)
|
|
2273 |
{
|
|
2274 |
tableRowPtr.SetLength(255);
|
|
2275 |
MPX_DEBUG2("%S", tableRow);
|
|
2276 |
tableRowPtr.Zero();
|
|
2277 |
}
|
|
2278 |
}
|
|
2279 |
if (tableRowPtr.Length() > 0)
|
|
2280 |
{
|
|
2281 |
tableRowPtr.SetLength(Min(tableRowPtr.Length(), 255));
|
|
2282 |
MPX_DEBUG2("%S", tableRow);
|
|
2283 |
}
|
|
2284 |
}
|
|
2285 |
CleanupStack::PopAndDestroy(tableRow);
|
|
2286 |
if (err != KSqlAtEnd)
|
|
2287 |
{
|
|
2288 |
User::Leave(err);
|
|
2289 |
}
|
|
2290 |
}
|
|
2291 |
|
|
2292 |
// ----------------------------------------------------------------------------
|
|
2293 |
// Finds all the tables on the main or attached drives
|
|
2294 |
// ----------------------------------------------------------------------------
|
|
2295 |
//
|
|
2296 |
void CMPXDbManager::FindAllTablesL(
|
|
2297 |
const TDesC& aAlias,
|
|
2298 |
RArray<HBufC*>& aTableName)
|
|
2299 |
{
|
|
2300 |
RSqlStatement statement;
|
|
2301 |
CleanupClosePushL(statement);
|
|
2302 |
|
|
2303 |
if (aAlias == KNullDesC)
|
|
2304 |
{
|
|
2305 |
statement.Prepare(iDatabase, KFindAllCDriveTablesQuery);
|
|
2306 |
}
|
|
2307 |
else
|
|
2308 |
{
|
|
2309 |
HBufC* query = KFindAllAttachedTablesQuery().AllocL();
|
|
2310 |
CleanupStack::PushL(query);
|
|
2311 |
TPtr queryPtr = query->Des();
|
|
2312 |
ReplaceDriveAlias(queryPtr, aAlias);
|
|
2313 |
statement.Prepare(iDatabase, queryPtr);
|
|
2314 |
CleanupStack::PopAndDestroy(query);
|
|
2315 |
}
|
|
2316 |
|
|
2317 |
TInt err(KErrNone);
|
|
2318 |
|
|
2319 |
while ((err = statement.Next()) == KSqlAtRow)
|
|
2320 |
{
|
|
2321 |
TPtrC val = statement.ColumnTextL(statement.ColumnIndex(KNameColumn));
|
|
2322 |
aTableName.AppendL(val.AllocL());
|
|
2323 |
}
|
|
2324 |
if (err != KSqlAtEnd)
|
|
2325 |
{
|
|
2326 |
User::Leave(err);
|
|
2327 |
}
|
|
2328 |
|
|
2329 |
CleanupStack::PopAndDestroy(&statement);
|
|
2330 |
}
|
|
2331 |
|
|
2332 |
// ----------------------------------------------------------------------------
|
|
2333 |
// Prints the tables on the main or attached drives
|
|
2334 |
// ----------------------------------------------------------------------------
|
|
2335 |
//
|
|
2336 |
void CMPXDbManager::PrintTableL(
|
|
2337 |
const TDesC& aAlias,
|
|
2338 |
const TDesC& aTableName)
|
|
2339 |
{
|
|
2340 |
RSqlStatement statement;
|
|
2341 |
CleanupClosePushL(statement);
|
|
2342 |
|
|
2343 |
if (aAlias == KNullDesC)
|
|
2344 |
{
|
|
2345 |
HBufC* selectQuery = HBufC::NewLC(KTableQuery().Length() + aTableName.Length());
|
|
2346 |
selectQuery->Des().Format(KTableQuery, &aTableName);
|
|
2347 |
User::LeaveIfError(statement.Prepare(iDatabase, *selectQuery));
|
|
2348 |
CleanupStack::PopAndDestroy(selectQuery);
|
|
2349 |
}
|
|
2350 |
else
|
|
2351 |
{
|
|
2352 |
HBufC* selectQuery = HBufC::NewLC(KAttachedTableQuery().Length() + aTableName.Length());
|
|
2353 |
selectQuery->Des().Format(KAttachedTableQuery, &aTableName);
|
|
2354 |
|
|
2355 |
TPtr selectQueryPtr(selectQuery->Des());
|
|
2356 |
ReplaceDriveAlias(selectQueryPtr, aAlias);
|
|
2357 |
User::LeaveIfError(statement.Prepare(iDatabase, *selectQuery));
|
|
2358 |
|
|
2359 |
CleanupStack::PopAndDestroy(selectQuery);
|
|
2360 |
}
|
|
2361 |
|
|
2362 |
PrintTableValuesL(statement);
|
|
2363 |
CleanupStack::PopAndDestroy(&statement);
|
|
2364 |
}
|
|
2365 |
|
|
2366 |
#endif
|
|
2367 |
|
|
2368 |
// ----------------------------------------------------------------------------
|
|
2369 |
// Prints all the tables on the main and attached drives
|
|
2370 |
// ----------------------------------------------------------------------------
|
|
2371 |
//
|
|
2372 |
EXPORT_C void CMPXDbManager::PrintDatabaseL()
|
|
2373 |
{
|
|
2374 |
#ifdef _DEBUG
|
|
2375 |
if (iInitialized)
|
|
2376 |
{
|
|
2377 |
// C-Drive
|
|
2378 |
RArray<HBufC*> tableNames;
|
|
2379 |
FindAllTablesL(KNullDesC(), tableNames);
|
|
2380 |
|
|
2381 |
MPX_DEBUG1("### Drive C ###");
|
|
2382 |
|
|
2383 |
TInt tableCount(tableNames.Count());
|
|
2384 |
for (TInt i = 0; i < tableCount; ++i)
|
|
2385 |
{
|
|
2386 |
MPX_DEBUG2("# %S #", tableNames[i]);
|
|
2387 |
MPX_TRAPD(error, PrintTableL(KNullDesC, *tableNames[i]));
|
|
2388 |
delete tableNames[i];
|
|
2389 |
if (error != KErrNone)
|
|
2390 |
{
|
|
2391 |
if (error != KErrPermissionDenied)
|
|
2392 |
{
|
|
2393 |
User::Leave(error);
|
|
2394 |
}
|
|
2395 |
else
|
|
2396 |
{
|
|
2397 |
MPX_DEBUG1("Unable to print table");
|
|
2398 |
}
|
|
2399 |
}
|
|
2400 |
}
|
|
2401 |
tableNames.Close();
|
|
2402 |
|
|
2403 |
// Each attached drive
|
|
2404 |
TInt count(iDatabaseHandles.Count());
|
|
2405 |
for (TInt i = 0; i < count; ++i)
|
|
2406 |
{
|
|
2407 |
if (iDatabaseHandles[i].iOpen)
|
|
2408 |
{
|
|
2409 |
FindAllTablesL(iDatabaseHandles[i].iAliasname->Des(), tableNames);
|
|
2410 |
|
|
2411 |
TDriveUnit driveUnit(iDatabaseHandles[i].iDrive);
|
|
2412 |
const TDesC& name = driveUnit.Name();
|
|
2413 |
MPX_DEBUG2("### Drive %S ###", &name);
|
|
2414 |
|
|
2415 |
for (TInt j = 0; j < tableCount; ++j)
|
|
2416 |
{
|
|
2417 |
MPX_DEBUG2("# %S #", tableNames[j]);
|
|
2418 |
MPX_TRAPD(error, PrintTableL(iDatabaseHandles[i].iAliasname->Des(), *tableNames[j]));
|
|
2419 |
delete tableNames[j];
|
|
2420 |
if (error != KErrNone)
|
|
2421 |
{
|
|
2422 |
if (error != KErrPermissionDenied)
|
|
2423 |
{
|
|
2424 |
User::Leave(error);
|
|
2425 |
}
|
|
2426 |
else
|
|
2427 |
{
|
|
2428 |
MPX_DEBUG1("Unable to print table");
|
|
2429 |
}
|
|
2430 |
}
|
|
2431 |
}
|
|
2432 |
tableNames.Close();
|
|
2433 |
}
|
|
2434 |
}
|
|
2435 |
}
|
|
2436 |
#endif
|
|
2437 |
}
|
|
2438 |
|
|
2439 |
// ----------------------------------------------------------------------------
|
|
2440 |
// Prints all the tables on the main and attached drives
|
|
2441 |
// ----------------------------------------------------------------------------
|
|
2442 |
//
|
|
2443 |
EXPORT_C RFs& CMPXDbManager::Fs()
|
|
2444 |
{
|
|
2445 |
return iFs;
|
|
2446 |
}
|
|
2447 |
|
|
2448 |
|
|
2449 |
|
|
2450 |
// ---------------------------------------------------------------------------
|
|
2451 |
// CMPXDbManager::IsRemoteDrive
|
|
2452 |
// ---------------------------------------------------------------------------
|
|
2453 |
//
|
|
2454 |
EXPORT_C TBool CMPXDbManager::IsRemoteDrive(TDriveNumber aDrive)
|
|
2455 |
{
|
|
2456 |
TDriveInfo driveInfo;
|
|
2457 |
TBool isRemoteDrive(EFalse);
|
|
2458 |
if (iFs.Drive(driveInfo, aDrive) == KErrNone)
|
|
2459 |
{
|
|
2460 |
isRemoteDrive = driveInfo.iDriveAtt & KDriveAttRemote;
|
|
2461 |
}
|
|
2462 |
return isRemoteDrive;
|
|
2463 |
}
|
|
2464 |
|
|
2465 |
// ---------------------------------------------------------------------------
|
|
2466 |
// CMPXDbManager::DoCreateDatabaseL
|
|
2467 |
// ---------------------------------------------------------------------------
|
|
2468 |
//
|
|
2469 |
void CMPXDbManager::DoCreateDatabaseL( TDriveUnit aDrive )
|
|
2470 |
{
|
|
2471 |
MPX_FUNC( "CMPXDbManager::DoCreateDatabaseL" );
|
|
2472 |
|
|
2473 |
RSqlDatabase database;
|
|
2474 |
CleanupClosePushL(database);
|
|
2475 |
|
|
2476 |
HBufC* filename = CreateFilenameL(aDrive);
|
|
2477 |
CleanupStack::PushL(filename);
|
|
2478 |
|
|
2479 |
// remove old databases before creating/replacing new database
|
|
2480 |
TInt driveNameLen = aDrive.Name().Length();
|
|
2481 |
|
|
2482 |
TFileName dbFileName;
|
|
2483 |
|
|
2484 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
2485 |
TInt index(GetDatabaseIndex((TInt)aDrive));
|
|
2486 |
if( index >= 0 && iDatabaseHandles[index].iUseRAMdb )
|
|
2487 |
{
|
|
2488 |
dbFileName.Append(iRAMDrive); // RAM
|
|
2489 |
dbFileName.Append(_L(":")); // RAM
|
|
2490 |
}
|
|
2491 |
else
|
|
2492 |
#endif //__RAMDISK_PERF_ENABLE
|
|
2493 |
{
|
|
2494 |
MPX_DEBUG1("CMPXDbManager::CreateDatabaseL - E:");
|
|
2495 |
dbFileName.Append(aDrive.Name()); //initialise with drive name
|
|
2496 |
}
|
|
2497 |
|
|
2498 |
|
|
2499 |
MPX_DEBUG2("CMPXDbManager::CreateDatabaseL - dbFileName=%S", &dbFileName);
|
|
2500 |
dbFileName.Append(KDBFilePath); // append private path
|
|
2501 |
|
|
2502 |
//append file name
|
|
2503 |
dbFileName.Append(filename->Right((filename->Length())- driveNameLen));
|
|
2504 |
|
|
2505 |
// locate the offset position where version info starts in file name
|
|
2506 |
TInt pos = dbFileName.LocateReverse('v');
|
|
2507 |
|
|
2508 |
//replace version info with wildcards
|
|
2509 |
dbFileName.Replace(pos, (dbFileName.Length()- pos), KDBFilePattern);
|
|
2510 |
|
|
2511 |
CFileMan* fileManager = CFileMan::NewL(iFs);
|
|
2512 |
TInt ret = fileManager->Delete(dbFileName);
|
|
2513 |
delete fileManager;
|
|
2514 |
fileManager = NULL;
|
|
2515 |
|
|
2516 |
// create the database now
|
|
2517 |
RSqlSecurityPolicy securityPolicy;
|
|
2518 |
CleanupClosePushL(securityPolicy);
|
|
2519 |
|
|
2520 |
TSecurityPolicy policy(TSecurityPolicy::EAlwaysPass);
|
|
2521 |
securityPolicy.Create(policy);
|
|
2522 |
|
|
2523 |
TSecurityPolicy schemaPolicy(TSecurityPolicy::EAlwaysPass);
|
|
2524 |
TSecurityPolicy readPolicy(TSecurityPolicy::EAlwaysPass);
|
|
2525 |
TSecurityPolicy writePolicy(TSecurityPolicy::EAlwaysPass);
|
|
2526 |
|
|
2527 |
User::LeaveIfError(securityPolicy.SetDbPolicy(RSqlSecurityPolicy::ESchemaPolicy, schemaPolicy));
|
|
2528 |
User::LeaveIfError(securityPolicy.SetDbPolicy(RSqlSecurityPolicy::EReadPolicy, readPolicy));
|
|
2529 |
User::LeaveIfError(securityPolicy.SetDbPolicy(RSqlSecurityPolicy::EWritePolicy, writePolicy));
|
|
2530 |
|
|
2531 |
|
|
2532 |
const TDesC8& config = KMCSqlConfig;
|
|
2533 |
|
|
2534 |
TBool corrupt(EFalse);
|
|
2535 |
TInt err = database.Create(filename->Des(), securityPolicy, &config);
|
|
2536 |
if (KErrAlreadyExists == err)
|
|
2537 |
{
|
|
2538 |
MPX_DEBUG1("CMPXDbManager::DoCreateDatabaseL - could not create the database");
|
|
2539 |
|
|
2540 |
// the file already exists and it is corrupted
|
|
2541 |
// make sure we delete the file
|
|
2542 |
User::LeaveIfError(database.Delete(*filename));
|
|
2543 |
|
|
2544 |
MPX_DEBUG1("CMPXDbManager::DoCreateDatabaseL - deleted the database");
|
|
2545 |
|
|
2546 |
// try again
|
|
2547 |
err = database.Create(filename->Des(), securityPolicy, &config);
|
|
2548 |
|
|
2549 |
// the database could not be opened but the file exists
|
|
2550 |
corrupt = ETrue;
|
|
2551 |
}
|
|
2552 |
User::LeaveIfError(err);
|
|
2553 |
|
|
2554 |
MPX_DEBUG1("CMPXDbManager::DoCreateDatabaseL - created the database");
|
|
2555 |
|
|
2556 |
CleanupStack::PopAndDestroy(&securityPolicy);
|
|
2557 |
|
|
2558 |
CreateTablesL(database, corrupt);
|
|
2559 |
|
|
2560 |
CleanupStack::PopAndDestroy(filename);
|
|
2561 |
CleanupStack::PopAndDestroy(&database);
|
|
2562 |
}
|
|
2563 |
|
|
2564 |
// ---------------------------------------------------------------------------
|
|
2565 |
// CMPXDbManager::GetRAMDiskPath
|
|
2566 |
// ---------------------------------------------------------------------------
|
|
2567 |
//
|
|
2568 |
TInt CMPXDbManager::GetRAMDiskPath()
|
|
2569 |
{
|
|
2570 |
TInt error = KErrNotSupported;
|
|
2571 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
2572 |
MPX_DEBUG1("-->CMPXDbManager::GetRAMDiskPath");
|
|
2573 |
TDriveList driveList;
|
|
2574 |
TBool ramDriveFound = EFalse;
|
|
2575 |
TInt driveOffset = 'A';
|
|
2576 |
iRAMFolder.Zero();
|
|
2577 |
|
|
2578 |
error = iFs.DriveList( driveList );
|
|
2579 |
if ( error == KErrNone )
|
|
2580 |
{
|
|
2581 |
for ( TInt i = 0; i < driveList.Length(); i++ )
|
|
2582 |
{
|
|
2583 |
if ( driveList[i] != 0 )
|
|
2584 |
{
|
|
2585 |
TDriveInfo info;
|
|
2586 |
TInt err = iFs.Drive( info, i );
|
|
2587 |
if ( !err && info.iType == EMediaRam )
|
|
2588 |
{
|
|
2589 |
iRAMDrive = driveOffset + i;
|
|
2590 |
iRAMFolder.Append(iRAMDrive);
|
|
2591 |
iRAMFolder.Append(_L(":"));
|
|
2592 |
iRAMFolder.Append(KDBFilePath);
|
|
2593 |
ramDriveFound = ETrue;
|
|
2594 |
MPX_DEBUG2("RAMDisk path=%S", &iRAMFolder);
|
|
2595 |
break;
|
|
2596 |
}
|
|
2597 |
}
|
|
2598 |
}
|
|
2599 |
|
|
2600 |
// Check if ram drive is found.
|
|
2601 |
if ( !ramDriveFound )
|
|
2602 |
{
|
|
2603 |
error = KErrNotFound;
|
|
2604 |
}
|
|
2605 |
}
|
|
2606 |
MPX_DEBUG2("CMPXDbManager::GetRAMDiskPath Get DriveList error=%d", error);
|
|
2607 |
MPX_DEBUG1("<--CMPXDbManager::GetRAMDiskPath");
|
|
2608 |
#endif //__RAMDISK_PERF_ENABLE
|
|
2609 |
return error;
|
|
2610 |
}
|
|
2611 |
|
|
2612 |
// ---------------------------------------------------------------------------
|
|
2613 |
// CMPXDbManager::IsRamDiskSpaceAvailable
|
|
2614 |
// ---------------------------------------------------------------------------
|
|
2615 |
//
|
|
2616 |
TBool CMPXDbManager::IsRamDiskSpaceAvailable()
|
|
2617 |
{
|
|
2618 |
|
|
2619 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
2620 |
|
|
2621 |
MPX_DEBUG1("-->CMPXDbManager::IsDiskSpaceAvailable" );
|
|
2622 |
TInt driveIndex;
|
|
2623 |
RFs::CharToDrive(iRAMDrive, driveIndex);
|
|
2624 |
TVolumeInfo vol;
|
|
2625 |
TInt err = iFs.Volume( vol, driveIndex );
|
|
2626 |
if ( err == KErrNone )
|
|
2627 |
{
|
|
2628 |
MPX_DEBUG2("CMPXDbManager::IsRamDiskSpaceAvailable Free in bytes =%Lu", vol.iFree);
|
|
2629 |
if ( vol.iFree > KMPMinimumRAMSizeToRun )
|
|
2630 |
{
|
|
2631 |
MPX_DEBUG1("CMPXDbManager::IsRamDiskSpaceAvailable Ok to copy");
|
|
2632 |
return ETrue;
|
|
2633 |
}
|
|
2634 |
MPX_DEBUG1("CMPXDbManager::IsRamDiskSpaceAvailable NOT Ok to copy");
|
|
2635 |
return EFalse;
|
|
2636 |
}
|
|
2637 |
|
|
2638 |
MPX_DEBUG2("CMPXDbManager::IsRamDiskSpaceAvailable Disk Not available to use. %d", err);
|
|
2639 |
MPX_DEBUG1("<--CMPXDbManager::IsDiskSpaceAvailable");
|
|
2640 |
|
|
2641 |
#endif //__RAMDISK_PERF_ENABLE
|
|
2642 |
|
|
2643 |
return EFalse;
|
|
2644 |
}
|
|
2645 |
|
|
2646 |
|
|
2647 |
// ---------------------------------------------------------------------------
|
|
2648 |
// CMPXDbManager::BlockDiskSpaceL
|
|
2649 |
// ---------------------------------------------------------------------------
|
|
2650 |
//
|
|
2651 |
TBool CMPXDbManager::BlockDiskSpace( TInt aIndex, TBool aIsMTPInUse )
|
|
2652 |
{
|
|
2653 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
2654 |
|
|
2655 |
MPX_DEBUG2("-->CMPXDbManager::BlockDiskSpaceL %d", aIndex );
|
|
2656 |
DatabaseHandle & database = iDatabaseHandles[aIndex];
|
|
2657 |
// if current DB size can not fit in RAM, abort now
|
|
2658 |
TInt ramDrive;
|
|
2659 |
RFs::CharToDrive(iRAMDrive, ramDrive);
|
|
2660 |
TVolumeInfo vol;
|
|
2661 |
TInt err = iFs.Volume( vol, ramDrive );
|
|
2662 |
TEntry origDb;
|
|
2663 |
iFs.Entry( *database.iOrigFullFilePath, origDb );
|
|
2664 |
if ( vol.iFree <= origDb.iSize + KMPMinimumRAMSizeToRun )
|
|
2665 |
{
|
|
2666 |
MPX_DEBUG1("-->CMPXDbManager::BlockDiskSpaceL Not enough even for copy original DB file, leave" );
|
|
2667 |
return EFalse;
|
|
2668 |
}
|
|
2669 |
|
|
2670 |
// ensure you have the disk volume and database
|
|
2671 |
err = iFs.Volume( vol, database.iDrive );
|
|
2672 |
if (err != KErrNone)
|
|
2673 |
{
|
|
2674 |
MPX_DEBUG2("CMPXDbManager::BlockDiskSpaceL Volume not available on drive %d", database.iDrive);
|
|
2675 |
return EFalse;
|
|
2676 |
}
|
|
2677 |
|
|
2678 |
// Check if the drive has enough space to block
|
|
2679 |
MPX_DEBUG2("CMPXDbManager::BlockDiskSpaceL Disk total free space in bytes =%Lu", vol.iFree);
|
|
2680 |
TInt64 blockingSize( CalculateInitalDummyDBSize( vol, origDb.iSize, aIsMTPInUse ));
|
|
2681 |
MPX_DEBUG2("CMPXDbManager::BlockDiskSpaceL Disk blocking size =%Lu", blockingSize);
|
|
2682 |
if ( vol.iFree <= blockingSize + 1*KMPMegaByte )
|
|
2683 |
{
|
|
2684 |
MPX_DEBUG1("CMPXDbManager::BlockDiskSpaceL NOk to block");
|
|
2685 |
return EFalse;
|
|
2686 |
}
|
|
2687 |
|
|
2688 |
// Create and resize the dummy file
|
|
2689 |
TChar ch;
|
|
2690 |
RFs::DriveToChar(database.iDrive, ch );
|
|
2691 |
database.iDummyFilePath.Format( KDummyDbFile, (TUint)ch);
|
|
2692 |
RFile dummyDb;
|
|
2693 |
err = dummyDb.Replace( iFs, database.iDummyFilePath, EFileWrite );
|
|
2694 |
if (err != KErrNone)
|
|
2695 |
{
|
|
2696 |
MPX_DEBUG2("CMPXDbManager::BlockDiskSpaceL Can't open dummy file %d", err);
|
|
2697 |
database.iDummyFilePath.Zero();
|
|
2698 |
return EFalse;
|
|
2699 |
}
|
|
2700 |
err = dummyDb.SetSize( blockingSize );
|
|
2701 |
if ( err )
|
|
2702 |
{
|
|
2703 |
MPX_DEBUG2("CMPXDbManager::BlockDiskSpaceL Can't resize dummy file %d", err);
|
|
2704 |
dummyDb.Close();
|
|
2705 |
RemoveDummyFile(aIndex);
|
|
2706 |
return EFalse;
|
|
2707 |
}
|
|
2708 |
|
|
2709 |
dummyDb.Close();
|
|
2710 |
MPX_DEBUG1("CMPXDbManager::BlockDiskSpaceL Ok to block");
|
|
2711 |
MPX_DEBUG1("<--CMPXDbManager::BlockDiskSpace");
|
|
2712 |
|
|
2713 |
return ETrue;
|
|
2714 |
#else
|
|
2715 |
return EFalse;
|
|
2716 |
#endif //__RAMDISK_PERF_ENABLE
|
|
2717 |
}
|
|
2718 |
|
|
2719 |
|
|
2720 |
// ---------------------------------------------------------------------------
|
|
2721 |
// CMPXDbManager::CalculateInitalDummyDBSizeL
|
|
2722 |
//
|
|
2723 |
//a) MTP case
|
|
2724 |
//-------------
|
|
2725 |
// totalNumOfSongsCanFit = <disk free space> / 2 MB;
|
|
2726 |
// metadataSize = totalNumOfSongsCanFit * 3000B
|
|
2727 |
// estimatedDBSize = metadataSize + <orig DB size>;
|
|
2728 |
// dummyDBSize = MIN (iMaximumAllowedRAMDiskSpaceToCopy , estimatedDBSize )
|
|
2729 |
|
|
2730 |
//b) Harvesting case
|
|
2731 |
//-------------------
|
|
2732 |
// totalNumOfSongsCanFit = <disk total size>/ 2 MB
|
|
2733 |
// metadataSize = totalNumOfSongsCanFit * 3000B
|
|
2734 |
// estimatedSize = metadataSize+ <orig DB size>
|
|
2735 |
// freeDiskSpace = <disk free space> - 1 MB
|
|
2736 |
// dummyDBSize = MIN (freeDiskSpace, iMaximumAllowedRAMDiskSpaceToCopy , estimatedSize);
|
|
2737 |
//
|
|
2738 |
// ---------------------------------------------------------------------------
|
|
2739 |
//
|
|
2740 |
TInt64 CMPXDbManager::CalculateInitalDummyDBSize( const TVolumeInfo& aVol, TInt aOrigDbSize, TBool aIsMTPInUse )
|
|
2741 |
{
|
|
2742 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
2743 |
MPX_DEBUG1("-->CMPXDbManager::CalculateInitalDummyDBSize");
|
|
2744 |
|
|
2745 |
if ( aIsMTPInUse )
|
|
2746 |
{
|
|
2747 |
TInt64 totalNumOfSongsCanFit = aVol.iFree / KMPEstimatedSongInBytes;
|
|
2748 |
MPX_DEBUG2("-->CMPXDbManager::CalculateInitalDummyDBSize aVol.iFree=%Lu", aVol.iFree );
|
|
2749 |
MPX_DEBUG2("-->CMPXDbManager::CalculateInitalDummyDBSize totalNumOfSongsCanFit=%Lu", totalNumOfSongsCanFit );
|
|
2750 |
TInt64 estimatedSize = totalNumOfSongsCanFit * (TInt64) KMPEstimatedSizePerDBEntry + aOrigDbSize;
|
|
2751 |
MPX_DEBUG2("-->CMPXDbManager::CalculateInitalDummyDBSize (MTP case) estimated DB size from calculation=%Lu", estimatedSize );
|
|
2752 |
if ( estimatedSize > iMaximumAllowedRAMDiskSpaceToCopy )
|
|
2753 |
{
|
|
2754 |
MPX_DEBUG2("<--CMPXDbManager::CalculateInitalDummyDBSize returned iMaximumAllowedRAMDiskSpaceToCopy %d", iMaximumAllowedRAMDiskSpaceToCopy);
|
|
2755 |
return iMaximumAllowedRAMDiskSpaceToCopy;
|
|
2756 |
}
|
|
2757 |
else
|
|
2758 |
{
|
|
2759 |
MPX_DEBUG2("<--CMPXDbManager::CalculateInitalDummyDBSize returned %Lu", estimatedSize );
|
|
2760 |
return estimatedSize;
|
|
2761 |
}
|
|
2762 |
}
|
|
2763 |
else
|
|
2764 |
{
|
|
2765 |
TInt64 totalNumOfSongsCanFit = aVol.iSize / KMPEstimatedSongInBytes;
|
|
2766 |
TInt64 estimatedSize = totalNumOfSongsCanFit * (TInt64) KMPEstimatedSizePerDBEntry + aOrigDbSize;
|
|
2767 |
MPX_DEBUG2("-->CMPXDbManager::CalculateInitalDummyDBSize estimated DB size from calculation=%Lu", estimatedSize );
|
|
2768 |
if ( estimatedSize > iMaximumAllowedRAMDiskSpaceToCopy )
|
|
2769 |
{
|
|
2770 |
MPX_DEBUG1("<--CMPXDbManager::CalculateInitalDummyDBSize");
|
|
2771 |
// If estimated size is larger than expected free RAM size,
|
|
2772 |
// and if the RAM size is larger than free disk space,
|
|
2773 |
// then use free disk space. 1*KMPMegaByte prevent MP to use up all diskspace
|
|
2774 |
//return iMaximumAllowedRAMDiskSpaceToCopy > aVol.iFree - 1*KMPMegaByte
|
|
2775 |
// ? aVol.iFree - 1*KMPMegaByte : iMaximumAllowedRAMDiskSpaceToCopy;
|
|
2776 |
return iMaximumAllowedRAMDiskSpaceToCopy;
|
|
2777 |
}
|
|
2778 |
else
|
|
2779 |
{
|
|
2780 |
MPX_DEBUG1("<--CMPXDbManager::CalculateInitalDummyDBSize");
|
|
2781 |
// If estimated size is larger than disk free size, use free diskspace size,
|
|
2782 |
//return estimatedSize > aVol.iFree - 1*KMPMegaByte
|
|
2783 |
// ? aVol.iFree - 1*KMPMegaByte : estimatedSize;
|
|
2784 |
return estimatedSize;
|
|
2785 |
}
|
|
2786 |
}
|
|
2787 |
|
|
2788 |
#endif //__RAMDISK_PERF_ENABLE
|
|
2789 |
}
|
|
2790 |
|
|
2791 |
|
|
2792 |
// ---------------------------------------------------------------------------
|
|
2793 |
// CMPXDbManager::GetDatabaseIndex
|
|
2794 |
// ---------------------------------------------------------------------------
|
|
2795 |
//
|
|
2796 |
TInt CMPXDbManager::GetDatabaseIndex(TInt aDrive)
|
|
2797 |
{
|
|
2798 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
2799 |
MPX_DEBUG2("-->CMPXDbManager::GetDatabaseIndex %d", aDrive );
|
|
2800 |
TInt count(iDatabaseHandles.Count());
|
|
2801 |
for (TInt i = 0; i < count; ++i)
|
|
2802 |
{
|
|
2803 |
if ( iDatabaseHandles[i].iDrive == aDrive )
|
|
2804 |
{
|
|
2805 |
return i;
|
|
2806 |
}
|
|
2807 |
}
|
|
2808 |
#endif //__RAMDISK_PERF_ENABLE
|
|
2809 |
MPX_DEBUG1("<--CMPXDbManager::GetDatabaseIndex returned -1");
|
|
2810 |
return -1;
|
|
2811 |
}
|
|
2812 |
|
|
2813 |
|
|
2814 |
// ---------------------------------------------------------------------------
|
|
2815 |
// CMPXDbManager::EnsureRamSpaceL
|
|
2816 |
// ---------------------------------------------------------------------------
|
|
2817 |
//
|
|
2818 |
EXPORT_C void CMPXDbManager::EnsureRamSpaceL()
|
|
2819 |
{
|
|
2820 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
2821 |
MPX_DEBUG1("-->CMPXDbManager::EnsureRamSpaceL");
|
|
2822 |
|
|
2823 |
if ( iRAMInUse )
|
|
2824 |
{
|
|
2825 |
TVolumeInfo vol;
|
|
2826 |
TInt driveIndex;
|
|
2827 |
RFs::CharToDrive( iRAMDrive, driveIndex );
|
|
2828 |
|
|
2829 |
TInt errRAM = iFs.Volume( vol, driveIndex );
|
|
2830 |
if ( errRAM == KErrNone && vol.iFree < KMPMinimumRAMSizeToRun )
|
|
2831 |
{
|
|
2832 |
// RAM not enough, copy back to normal drive and continue to harvest.
|
|
2833 |
MPX_DEBUG1("CMPXDbManager::EnsureRamSpaceL RAM diskspace is full, copy dbs back");
|
|
2834 |
CopyDBsFromRamL();
|
|
2835 |
}
|
|
2836 |
else
|
|
2837 |
{
|
|
2838 |
TInt size=0;
|
|
2839 |
TInt err = GetTotalRamDatabasesSizeL(size);
|
|
2840 |
if ( err || (size > iMaximumAllowedRAMDiskSpaceToCopy) )
|
|
2841 |
{
|
|
2842 |
// Databases using too much RAM space, copy back to normal drive and continue to harvest.
|
|
2843 |
if ( err )
|
|
2844 |
{
|
|
2845 |
MPX_DEBUG2("CMPXDbManager::EnsureRamSpaceL Get DBs Size Err = %d, copy dbs back", err);
|
|
2846 |
}
|
|
2847 |
else
|
|
2848 |
{
|
|
2849 |
MPX_DEBUG2("CMPXDbManager::EnsureRamSpaceL DBs using too much RAM space size = %d, copy dbs back", size);
|
|
2850 |
}
|
|
2851 |
CopyDBsFromRamL();
|
|
2852 |
}
|
|
2853 |
}
|
|
2854 |
}
|
|
2855 |
MPX_DEBUG1("<--CMPXDbManager::EnsureRamSpaceL");
|
|
2856 |
#endif //__RAMDISK_PERF_ENABLE
|
|
2857 |
}
|
|
2858 |
|
|
2859 |
|
|
2860 |
// ---------------------------------------------------------------------------
|
|
2861 |
// CMPXDbManager::EnsureDiskSpaceL
|
|
2862 |
// ---------------------------------------------------------------------------
|
|
2863 |
//
|
|
2864 |
void CMPXDbManager::EnsureDiskSpaceL(TInt aDrive)
|
|
2865 |
{
|
|
2866 |
MPX_DEBUG2("-->CMPXDbManager::EnsureDiskSpaceL for drive %d", aDrive);
|
|
2867 |
// handle the case of C drive
|
|
2868 |
TDriveUnit drive(aDrive);
|
|
2869 |
TDriveUnit cdrive(KRootDrive());
|
|
2870 |
|
|
2871 |
if(drive == cdrive)
|
|
2872 |
{
|
|
2873 |
if (SysUtil::DiskSpaceBelowCriticalLevelL(&iFs, 0, aDrive))
|
|
2874 |
{
|
|
2875 |
MPX_DEBUG1("CMPXDbManager::EnsureDiskSpaceL Error diskspace full");
|
|
2876 |
User::Leave(KErrDiskFull);
|
|
2877 |
}
|
|
2878 |
|
|
2879 |
return;
|
|
2880 |
}
|
|
2881 |
|
|
2882 |
// handle other drives (eg. removable EDriveE)
|
|
2883 |
TInt count(iDatabaseHandles.Count());
|
|
2884 |
for (TInt i = 0; i < count; ++i)
|
|
2885 |
{
|
|
2886 |
DatabaseHandle& database = iDatabaseHandles[i];
|
|
2887 |
if (((KDbManagerAllDrives == aDrive) ||
|
|
2888 |
(aDrive == database.iDrive)) &&
|
|
2889 |
database.iOpen
|
|
2890 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
2891 |
&& !database.iUseRAMdb
|
|
2892 |
#endif
|
|
2893 |
)
|
|
2894 |
{
|
|
2895 |
if (SysUtil::DiskSpaceBelowCriticalLevelL(&iFs, 0,
|
|
2896 |
database.iDrive))
|
|
2897 |
{
|
|
2898 |
MPX_DEBUG1("CMPXDbManager::EnsureDiskSpaceL Error diskspace full");
|
|
2899 |
User::Leave(KErrDiskFull);
|
|
2900 |
}
|
|
2901 |
}
|
|
2902 |
|
|
2903 |
if (aDrive == database.iDrive)
|
|
2904 |
{
|
|
2905 |
// exit if just one drive to check
|
|
2906 |
break;
|
|
2907 |
}
|
|
2908 |
}
|
|
2909 |
MPX_DEBUG1("<--CMPXDbManager::EnsureDiskSpaceL");
|
|
2910 |
}
|
|
2911 |
|
|
2912 |
|
|
2913 |
// ---------------------------------------------------------------------------
|
|
2914 |
// CMPXDbManager::DoBackupDBs
|
|
2915 |
// ---------------------------------------------------------------------------
|
|
2916 |
//
|
|
2917 |
/*EXPORT_C void CMPXDbManager::BackupDBsL()
|
|
2918 |
{
|
|
2919 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
2920 |
MPX_DEBUG1("-->CMPXDbManager::BackupDBsL");
|
|
2921 |
|
|
2922 |
TInt transactionCount = iTransactionCount;
|
|
2923 |
if (iTransactionCount > 0)
|
|
2924 |
{
|
|
2925 |
iTransactionCount = 0;
|
|
2926 |
DoCommitL();
|
|
2927 |
}
|
|
2928 |
|
|
2929 |
TInt count(iDatabaseHandles.Count());
|
|
2930 |
for (TInt i = 0; i < count && iDatabaseHandles[i].iUseRAMdb ; ++i)
|
|
2931 |
{
|
|
2932 |
CloseDatabaseAtIndexL( i );
|
|
2933 |
|
|
2934 |
TInt err= BaflUtils::CopyFile(iFs,
|
|
2935 |
iDatabaseHandles[i].iTargetFullFilePath->Des(),
|
|
2936 |
iDatabaseHandles[i].iOrigFullFilePath->Des());
|
|
2937 |
|
|
2938 |
MPX_DEBUG2("CMPXDbManager::BackupDBsL err = %d", err);
|
|
2939 |
|
|
2940 |
OpenDatabaseAtIndexL( i );
|
|
2941 |
}
|
|
2942 |
|
|
2943 |
if (transactionCount > 0)
|
|
2944 |
{
|
|
2945 |
DoBeginL();
|
|
2946 |
iTransactionCount = transactionCount;
|
|
2947 |
}
|
|
2948 |
MPX_DEBUG1("<--CMPXDbManager::BackupDBsL");
|
|
2949 |
#endif //__RAMDISK_PERF_ENABLE
|
|
2950 |
}*/
|
|
2951 |
|
|
2952 |
// ---------------------------------------------------------------------------
|
|
2953 |
// CMPXDbManager::GetTotalDatabasesSize
|
|
2954 |
// ---------------------------------------------------------------------------
|
|
2955 |
//
|
|
2956 |
TInt CMPXDbManager::GetTotalDatabasesSize(TInt& aSize)
|
|
2957 |
{
|
|
2958 |
MPX_FUNC("CMPXDbManager::GetTotalDatabasesSize");
|
|
2959 |
TInt err = KErrNotSupported;
|
|
2960 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
2961 |
TInt size=0;
|
|
2962 |
TInt count(iDatabaseHandles.Count());
|
|
2963 |
err = KErrNone;
|
|
2964 |
for ( TInt i = 0; i < count ; ++i )
|
|
2965 |
{
|
|
2966 |
// Generate database name.
|
|
2967 |
TFileName dbFilename;
|
|
2968 |
TDriveUnit drive(iDatabaseHandles[i].iDrive);
|
|
2969 |
dbFilename.Append(drive.Name());
|
|
2970 |
dbFilename.Append(KDBFilePath);
|
|
2971 |
TFileName filename;
|
|
2972 |
filename.Format(KSecurePath, User::Identity().iUid, iDbFile); //x:\private\10281e17\[sldfdsf]mpxv2_5.db
|
|
2973 |
dbFilename.Append(filename);
|
|
2974 |
MPX_DEBUG2("CMPXDbManager::GetTotalDatabasesSize - Database name = %S", &dbFilename);
|
|
2975 |
TEntry entry;
|
|
2976 |
err = iFs.Entry( dbFilename, entry );
|
|
2977 |
if (err == KErrNotFound || err == KErrNotReady )
|
|
2978 |
{
|
|
2979 |
MPX_DEBUG3("CMPXDbManager::GetTotalDatabasesSize - Ignored %S, error = %d", &dbFilename, err);
|
|
2980 |
err = KErrNone;
|
|
2981 |
continue;
|
|
2982 |
}
|
|
2983 |
if ( err != KErrNone )
|
|
2984 |
{
|
|
2985 |
break;
|
|
2986 |
}
|
|
2987 |
MPX_DEBUG3("CMPXDbManager::GetTotalDatabasesSize - Size of Db %S = %d", &dbFilename, entry.iSize);
|
|
2988 |
// sum up size
|
|
2989 |
size += entry.iSize;
|
|
2990 |
}
|
|
2991 |
aSize = size;
|
|
2992 |
MPX_DEBUG2("CMPXDbManager::GetTotalDatabasesSize - Total Size of Dbs = %d", size);
|
|
2993 |
|
|
2994 |
#endif //__RAMDISK_PERF_ENABLE
|
|
2995 |
MPX_DEBUG2("CMPXDbManager::GetTotalDatabasesSize - Return err = %d", err);
|
|
2996 |
return err;
|
|
2997 |
}
|
|
2998 |
|
|
2999 |
// ---------------------------------------------------------------------------
|
|
3000 |
// CMPXDbManager::GetTotalRamDatabasesSize
|
|
3001 |
// ---------------------------------------------------------------------------
|
|
3002 |
//
|
|
3003 |
TInt CMPXDbManager::GetTotalRamDatabasesSizeL(TInt& aSize)
|
|
3004 |
{
|
|
3005 |
MPX_FUNC("CMPXDbManager::GetTotalRamDatabasesSize");
|
|
3006 |
TInt err = KErrNotSupported;
|
|
3007 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
3008 |
TInt size=0;
|
|
3009 |
TInt count(iDatabaseHandles.Count());
|
|
3010 |
err = KErrNone;
|
|
3011 |
for ( TInt i = 0; i < count ; ++i )
|
|
3012 |
{
|
|
3013 |
// make sure this db is in ram drive.
|
|
3014 |
if ( !iDatabaseHandles[i].iUseRAMdb )
|
|
3015 |
{
|
|
3016 |
continue;
|
|
3017 |
}
|
|
3018 |
// Generate database name.
|
|
3019 |
TFileName dbFilename;
|
|
3020 |
dbFilename.Append(iRAMFolder);
|
|
3021 |
TBuf<2> d;
|
|
3022 |
TDriveUnit drive(iDatabaseHandles[i].iDrive);
|
|
3023 |
d.Append(drive.Name());
|
|
3024 |
HBufC* temp = HBufC::NewLC(KMaxFileName);
|
|
3025 |
temp->Des().Append(d.Left(1));
|
|
3026 |
temp->Des().Append(iDbFile->Des());
|
|
3027 |
TFileName filename;
|
|
3028 |
filename.Format(KSecurePath, User::Identity().iUid, temp);
|
|
3029 |
CleanupStack::PopAndDestroy(temp);
|
|
3030 |
dbFilename.Append(filename);
|
|
3031 |
MPX_DEBUG2("CMPXDbManager::GetTotalRamDatabasesSizeL - Database name = %S", &dbFilename);
|
|
3032 |
TEntry entry;
|
|
3033 |
err = iFs.Entry( dbFilename, entry );
|
|
3034 |
if ( (err != KErrNone) && (err != KErrNotFound) )
|
|
3035 |
{
|
|
3036 |
break;
|
|
3037 |
}
|
|
3038 |
MPX_DEBUG3("CMPXDbManager::GetTotalRamDatabasesSizeL - Size of Db %S = %d", &dbFilename, entry.iSize);
|
|
3039 |
// sum up size
|
|
3040 |
size += entry.iSize;
|
|
3041 |
}
|
|
3042 |
aSize = size;
|
|
3043 |
MPX_DEBUG2("CMPXDbManager::GetTotalRamDatabasesSizeL - Total Size of Dbs = %d", size);
|
|
3044 |
#endif //__RAMDISK_PERF_ENABLE
|
|
3045 |
MPX_DEBUG2("CMPXDbManager::GetTotalRamDatabasesSizeL - Return err = %d", err);
|
|
3046 |
return err;
|
|
3047 |
}
|
|
3048 |
|
|
3049 |
// ----------------------------------------------------------------------------
|
|
3050 |
// Creates the absolute database filename on a specified drive.
|
|
3051 |
// ----------------------------------------------------------------------------
|
|
3052 |
//
|
|
3053 |
HBufC* CMPXDbManager::CreateFullFilenameL(TDriveUnit aDrive)
|
|
3054 |
{
|
|
3055 |
MPX_FUNC("CMPXDbManager::CreateFullFilenameL");
|
|
3056 |
|
|
3057 |
HBufC* filename = HBufC::NewL(KMaxFileName);
|
|
3058 |
const TDesC& securefilePath = KSecureFilePath;
|
|
3059 |
TDriveUnit cdrive(KRootDrive());
|
|
3060 |
|
|
3061 |
#ifdef __RAMDISK_PERF_ENABLE
|
|
3062 |
TInt index(GetDatabaseIndex((TInt)aDrive));
|
|
3063 |
if ( index >=0 && iDatabaseHandles[index].iUseRAMdb && aDrive != cdrive )
|
|
3064 |
{
|
|
3065 |
MPX_DEBUG1("CMPXDbManager::CreateFullFilenameL - use RAMDisk");
|
|
3066 |
TFileName path;
|
|
3067 |
path.Append(iRAMDrive);
|
|
3068 |
path.Append(_L(":"));
|
|
3069 |
path.Append(KDBFilePath);
|
|
3070 |
TBuf<2> d;
|
|
3071 |
d.Append(aDrive.Name());
|
|
3072 |
TFileName temp;
|
|
3073 |
temp.Append(d.Left(1)); // attach original drive name
|
|
3074 |
temp.Append(iDbFile->Des());
|
|
3075 |
filename->Des().Format(securefilePath, &path, User::Identity().iUid, &temp);
|
|
3076 |
MPX_DEBUG3("CMPXDbManager::CreateFullFilenameL - path=%S filename=%S", &path, filename);
|
|
3077 |
}
|
|
3078 |
else
|
|
3079 |
#endif //__RAMDISK_PERF_ENABLE
|
|
3080 |
{
|
|
3081 |
MPX_DEBUG1("CMPXDbManager::CreateFullFilenameL - use normal drive");
|
|
3082 |
TFileName dbPath;
|
|
3083 |
dbPath.Append(aDrive.Name());
|
|
3084 |
dbPath.Append(KDBFilePath);
|
|
3085 |
filename->Des().Format(securefilePath, &dbPath, User::Identity().iUid, iDbFile);
|
|
3086 |
}
|
|
3087 |
|
|
3088 |
MPX_DEBUG2("CMPXDbManager::CreateFullFilenameL filename = %S", filename);
|
|
3089 |
return filename;
|
|
3090 |
}
|
|
3091 |
|
|
3092 |
// End of File
|