sl@0: // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef __LOGSERVDATABASEMARSHALL__
sl@0: #define __LOGSERVDATABASEMARSHALL__
sl@0: 
sl@0: #include <d32dbms.h>
sl@0: #include <logcli.h>
sl@0: #include "LogServBackupObserver.h"
sl@0: #include "LogServDatabaseTransactionInterface.h"
sl@0: #include <centralrepository.h>
sl@0: 
sl@0: // Classes referenced
sl@0: class MLogServBackupInterface;
sl@0: class CLogServResourceInterpreter;
sl@0: class CLogServSecurity;
sl@0: 
sl@0: /**
sl@0: Implements MLogServBackupObserver and MLogServDatabaseTransactionInterface interfaces.
sl@0: Owns and provides access to strings, config and types caches.  
sl@0: 
sl@0: @see CLogServCacheConfig
sl@0: @see CLogServCacheStrings
sl@0: @see CLogServCacheTypes
sl@0: @see MLogServBackupObserver
sl@0: @see MLogServDatabaseTransactionInterface
sl@0: @internalComponent
sl@0: */
sl@0: class CLogServDatabaseMarshall : public CBase, public MLogServBackupObserver, public MLogServDatabaseTransactionInterface
sl@0: 	{
sl@0: public:
sl@0: 	static CLogServDatabaseMarshall* NewL(RFs& aFsSession, CLogServResourceInterpreter& aResourceInterface, MLogServBackupInterface& aBackupInterface);
sl@0: 	~CLogServDatabaseMarshall();
sl@0:     inline const TDesC& DatabaseName() const;
sl@0:     inline void SetChangeInterface(MLogServDatabaseChangeInterface& aChangeInterface);
sl@0: 
sl@0: private:
sl@0: 	CLogServDatabaseMarshall(RFs& aFsSession, CLogServResourceInterpreter& aResourceInterface, MLogServBackupInterface& aBackupInterface);
sl@0: 	void ConstructL();
sl@0: 
sl@0: // From MLogServDatabaseTransactionInterface
sl@0: 	TInt DTIBegin();
sl@0: 	TInt DTICommitAndEnd();
sl@0: 	void DTIRollBack();
sl@0: 	TInt DTIExecuteSql(const TDesC& aStatement, TDbTextComparison aComparison = EDbCompareNormal);
sl@0: 	TBool DTIInTransaction() const;
sl@0: 	TBool DTIDatabaseIsDamaged() const;
sl@0: 	CLogServResourceInterpreter& DTIResourceInterface() const;
sl@0: 	MLogServDatabaseChangeInterface& DTIChangeInterface() const;
sl@0: 	CLogServCacheConfig& DTICacheConfig() const;
sl@0: 	CLogServCacheStrings& DTICacheStrings() const;
sl@0: 	CLogServCacheTypes& DTICacheTypes() const;
sl@0: 	RDbDatabase& DTIDatabase();
sl@0: 	TBool DTIIsAllowed(TEventOp aEventOp, const RMessage2& aMessage, TUid aEventType, const char* aDiagnostic = 0) const;
sl@0: 	const RArray<TUid>& DTIUidsOfStandardTypes();
sl@0: 
sl@0: // From MLogServBackupObserver
sl@0: 	void BOHandleEventL(TLogServBackupEvent aEvent);
sl@0: 
sl@0: // Internal methods
sl@0: 	void DatabaseLocateL();
sl@0: 	void DatabaseOpenL();
sl@0: 	void DatabaseCreateL(const TDesC& aFileName);
sl@0: 	//
sl@0: 	void CreateTablesL();
sl@0: 	void CreateTypesL(TBool aReadOnly = EFalse);
sl@0: 	void CreateIndiciesL();
sl@0: 	void CreateConfigurationL();
sl@0: 	//	
sl@0: 	void ReadRepositoryFileConfigurationL(TLogConfig& aConfig, CRepository& repository) const;
sl@0: 	void ReadResourceFileConfigurationL(TLogConfig& aConfig) const;
sl@0: 	//
sl@0: 	void MakeColumnAutoIncremetingL(const TDesC& aTable, const TDesC& aColumn);
sl@0: 	//
sl@0: 	inline void RestoreStandardTypesL();
sl@0: 
sl@0:     TInt DoDbOpen();
sl@0:     TBool DbTableCntCheckL();
sl@0:     TInt AlterDbIfOldFmtL(); 
sl@0:     TInt AlterEventTblIfOldFmt(CDbColSet& aEventTblColSet); 
sl@0: #ifdef SYMBIAN_ENABLE_EVENTLOGGER_DUALSIM	
sl@0:     TInt AlterEventTblIfNoSimIdL(CDbColSet& aEventTblColSet);
sl@0: #endif    
sl@0:     void DbDelete();
sl@0:     TInt DbCreate();
sl@0:     void CreateCachesL();
sl@0: 	
sl@0: private:
sl@0: 	RFs& iFsSession;//File server interface handle
sl@0: 	CLogServResourceInterpreter& iResourceInterface;//Used to access resources
sl@0: 	MLogServDatabaseChangeInterface* iChangeInterface;//Used to access change interface
sl@0: 	HBufC* iDatabaseName;//So we know what to open after a backup
sl@0: 	MLogServBackupInterface& iBackupInterface;//Notifies us when a backup takes place
sl@0: 	RDbNamedDatabase iDatabase;//The actual log database
sl@0: 	CLogServCacheConfig* iCacheConfig;//Config table cache
sl@0: 	CLogServCacheStrings* iCacheStrings;//String table cache
sl@0: 	CLogServCacheTypes* iCacheTypes;//Type table cache
sl@0:  	CLogEventType* iEventType;//Used to get event type TUid from the cache before calling the security manager
sl@0:  	CLogServSecurity* iSecurity;//Platform security implementation
sl@0:  	RArray<TUid> iStandardTypeUids;//Needed here for use by views during backups. When a backup is in progress, access to CacheTypes isn't allowed.
sl@0: 
sl@0: 	};
sl@0: 
sl@0: inline const TDesC& CLogServDatabaseMarshall::DatabaseName() const
sl@0: 	{
sl@0: 	return *iDatabaseName;
sl@0: 	}
sl@0: 
sl@0: inline void CLogServDatabaseMarshall::SetChangeInterface(MLogServDatabaseChangeInterface& aChangeInterface)
sl@0: 	{
sl@0: 	// Bit ugly, but anyway...
sl@0: 	iChangeInterface = &aChangeInterface;
sl@0: 	}
sl@0: 	
sl@0: inline void CLogServDatabaseMarshall::RestoreStandardTypesL()
sl@0: 	{
sl@0: 	// Force LogServCacheTypes to read the TUids of all built-in types.
sl@0: 	// The ETrue argument will stop LogServCacheTypes from writing the results
sl@0: 	// into the database - i.e. a read-only operation on the cache types.
sl@0: 	CreateTypesL(ETrue);
sl@0: 	}
sl@0: 
sl@0: #endif