Symaptic: os/persistentdata/loggingservices/eventlogger/LogServ/inc/LogServDatabaseMarshall.h@bde4ae8d615e

     1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    16 #ifndef __LOGSERVDATABASEMARSHALL__

    17 #define __LOGSERVDATABASEMARSHALL__

    19 #include <d32dbms.h>

    20 #include <logcli.h>

    21 #include "LogServBackupObserver.h"

    22 #include "LogServDatabaseTransactionInterface.h"

    23 #include <centralrepository.h>

    25 // Classes referenced

    26 class MLogServBackupInterface;

    27 class CLogServResourceInterpreter;

    28 class CLogServSecurity;

    30 /**

    31 Implements MLogServBackupObserver and MLogServDatabaseTransactionInterface interfaces.

    32 Owns and provides access to strings, config and types caches.

    34 @see CLogServCacheConfig

    35 @see CLogServCacheStrings

    36 @see CLogServCacheTypes

    37 @see MLogServBackupObserver

    38 @see MLogServDatabaseTransactionInterface

    39 @internalComponent

    40 */

    41 class CLogServDatabaseMarshall : public CBase, public MLogServBackupObserver, public MLogServDatabaseTransactionInterface

    42 	{

    43 public:

    44 	static CLogServDatabaseMarshall* NewL(RFs& aFsSession, CLogServResourceInterpreter& aResourceInterface, MLogServBackupInterface& aBackupInterface);

    45 	~CLogServDatabaseMarshall();

    46     inline const TDesC& DatabaseName() const;

    47     inline void SetChangeInterface(MLogServDatabaseChangeInterface& aChangeInterface);

    49 private:

    50 	CLogServDatabaseMarshall(RFs& aFsSession, CLogServResourceInterpreter& aResourceInterface, MLogServBackupInterface& aBackupInterface);

    51 	void ConstructL();

    53 // From MLogServDatabaseTransactionInterface

    54 	TInt DTIBegin();

    55 	TInt DTICommitAndEnd();

    56 	void DTIRollBack();

    57 	TInt DTIExecuteSql(const TDesC& aStatement, TDbTextComparison aComparison = EDbCompareNormal);

    58 	TBool DTIInTransaction() const;

    59 	TBool DTIDatabaseIsDamaged() const;

    60 	CLogServResourceInterpreter& DTIResourceInterface() const;

    61 	MLogServDatabaseChangeInterface& DTIChangeInterface() const;

    62 	CLogServCacheConfig& DTICacheConfig() const;

    63 	CLogServCacheStrings& DTICacheStrings() const;

    64 	CLogServCacheTypes& DTICacheTypes() const;

    65 	RDbDatabase& DTIDatabase();

    66 	TBool DTIIsAllowed(TEventOp aEventOp, const RMessage2& aMessage, TUid aEventType, const char* aDiagnostic = 0) const;

    67 	const RArray<TUid>& DTIUidsOfStandardTypes();

    69 // From MLogServBackupObserver

    70 	void BOHandleEventL(TLogServBackupEvent aEvent);

    72 // Internal methods

    73 	void DatabaseLocateL();

    74 	void DatabaseOpenL();

    75 	void DatabaseCreateL(const TDesC& aFileName);

    76 	//

    77 	void CreateTablesL();

    78 	void CreateTypesL(TBool aReadOnly = EFalse);

    79 	void CreateIndiciesL();

    80 	void CreateConfigurationL();

    81 	//

    82 	void ReadRepositoryFileConfigurationL(TLogConfig& aConfig, CRepository& repository) const;

    83 	void ReadResourceFileConfigurationL(TLogConfig& aConfig) const;

    84 	//

    85 	void MakeColumnAutoIncremetingL(const TDesC& aTable, const TDesC& aColumn);

    86 	//

    87 	inline void RestoreStandardTypesL();

    89     TInt DoDbOpen();

    90     TBool DbTableCntCheckL();

    91     TInt AlterDbIfOldFmtL();

    92     TInt AlterEventTblIfOldFmt(CDbColSet& aEventTblColSet);

    93 #ifdef SYMBIAN_ENABLE_EVENTLOGGER_DUALSIM

    94     TInt AlterEventTblIfNoSimIdL(CDbColSet& aEventTblColSet);

    95 #endif

    96     void DbDelete();

    97     TInt DbCreate();

    98     void CreateCachesL();

   100 private:

   101 	RFs& iFsSession;//File server interface handle

   102 	CLogServResourceInterpreter& iResourceInterface;//Used to access resources

   103 	MLogServDatabaseChangeInterface* iChangeInterface;//Used to access change interface

   104 	HBufC* iDatabaseName;//So we know what to open after a backup

   105 	MLogServBackupInterface& iBackupInterface;//Notifies us when a backup takes place

   106 	RDbNamedDatabase iDatabase;//The actual log database

   107 	CLogServCacheConfig* iCacheConfig;//Config table cache

   108 	CLogServCacheStrings* iCacheStrings;//String table cache

   109 	CLogServCacheTypes* iCacheTypes;//Type table cache

   110  	CLogEventType* iEventType;//Used to get event type TUid from the cache before calling the security manager

   111  	CLogServSecurity* iSecurity;//Platform security implementation

   112  	RArray<TUid> iStandardTypeUids;//Needed here for use by views during backups. When a backup is in progress, access to CacheTypes isn't allowed.

   114 	};

   116 inline const TDesC& CLogServDatabaseMarshall::DatabaseName() const

   117 	{

   118 	return *iDatabaseName;

   119 	}

   121 inline void CLogServDatabaseMarshall::SetChangeInterface(MLogServDatabaseChangeInterface& aChangeInterface)

   122 	{

   123 	// Bit ugly, but anyway...

   124 	iChangeInterface = &aChangeInterface;

   125 	}

   127 inline void CLogServDatabaseMarshall::RestoreStandardTypesL()

   128 	{

   129 	// Force LogServCacheTypes to read the TUids of all built-in types.

   130 	// The ETrue argument will stop LogServCacheTypes from writing the results

   131 	// into the database - i.e. a read-only operation on the cache types.

   132 	CreateTypesL(ETrue);

   133 	}

   135 #endif

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--