--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omadrm/drmengine/server/inc/DRMReplayCache.h	Thu Dec 17 08:52:27 2009 +0200
@@ -0,0 +1,237 @@
+/*
+* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  This class declares the interface of class CDRMDbSession.
+*
+*/
+
+
+#ifndef DRMREPLAYCACHE_H
+#define DRMREPLAYCACHE_H
+
+//  INCLUDES
+#include <e32std.h>
+#include <D32DBMS.H>
+
+// CONSTANTS
+// MACROS
+// FUNCTION PROTOTYPES
+// FORWARD DECLARATIONS
+class CPersistentStore;
+
+// DATA TYPES
+
+// CLASS DECLARATION
+
+/**
+*  Rights server's replay cache.
+*  This class manages storing information about the latest stored permissions.
+*
+*  @lib RightsServer.exe
+*  @since S60Rel3.0
+*/
+NONSHARABLE_CLASS( RDRMReplayCache )
+    {
+    public: // Constructors and destructor
+    
+    /**
+    * Constructor.
+    * @since S60Rel3.0
+    */
+    RDRMReplayCache( RFs& aFs );
+    
+    /**
+    * Default constructor.
+    * @since S60Rel3.0
+    */
+    RDRMReplayCache();
+    
+    public: // New functions
+    
+    /**
+    * Sets the ifs according to this reference.
+    *
+    * @since S60Rel3.0
+    * @param aFs Reference to open file server session. 
+    */
+    void Set( RFs& aFs );
+    
+    /**
+    * Closes the cache.
+    * @since S60Rel3.0
+    */
+    void Close();
+    
+    /**
+    * Initializes the view.
+    * @since S60Rel3.0
+    * @param aTimedDb File name of the db with timestamped permissions.
+    * @param aPlainDb File name of the db with permissions without timestamps.
+    */
+    void InitL( const TDesC& aTimedDb,
+                const TDesC& aPlainDb );
+                
+    /**
+    * Destructor.
+    * @since S60Rel3.0
+    */
+    ~RDRMReplayCache();
+    
+    /**
+    * Add an entry to the DB. Overloaded.
+    * @since S60Rel3.0
+    * @param aID    Content-ID.
+    * @param aaTime Timestamp of the permission.
+    * @param aaTime Insertion time.
+    */
+    void AddL( const TDesC8& aID, 
+               const TTime& aTime,
+               const TTime& aInsertionTime  );
+
+    /**
+    * Add an entry to the DB. Overloaded.
+    * @since S60Rel3.0
+    * @param aID    Content-ID.
+    * @param aaTime Insertion time.
+    */
+    void AddL( const TDesC8& aID, 
+               const TTime& aInsertionTime  );
+
+    /**
+    * Checks whether an entry is in cache. Overloaded.
+    * @since S60Rel3.0
+    * @param aID    Content-ID.
+    * @param aaTime Timestamp of the permission.
+    * @return Boolean.
+    */
+    TBool InCacheL( const TDesC8& aCID, 
+                    const TTime& aTime );
+    
+    /**
+    * Checks whether an entry is in cache. Overloaded.
+    * @since S60Rel3.0
+    * @param aID    Content-ID.
+    * @return Boolean.
+    */
+    TBool InCacheL( const TDesC8& aCID );
+
+    private: // Constants
+    enum TDatabaseId
+        {
+        ETimeDb,
+        EPlainDb
+        };
+        
+    private: // Private functions
+    
+    /**
+    * Initializes the database.
+    * @since S60Rel3.0
+    * @param aDb Database.
+    * @param aFileName File name.
+    * @param aId Database ID.
+    */
+    void InitDbL( RDbNamedDatabase& aDb, 
+                  const TDesC& aFileName,
+                  TDatabaseId aId );
+
+    /**
+    * Opens a database.
+    * @since S60Rel3.0
+    * @param aDb Database.
+    * @param aFileName File name.
+    */
+    void OpenDbL( RDbNamedDatabase& aDb, 
+                  const TDesC& aFileName );
+
+    /**
+    * Replace an existing database.
+    * @since S60Rel3.0
+    * @param aDb Database.
+    * @param aFileName File name.
+    * @param aId Database ID.
+    */
+    void ReplaceDbL( RDbNamedDatabase& aDb,
+                     const TDesC& aFileName, 
+                     TDatabaseId aId );
+
+    /**
+    * Initializes the view.
+    * @since S60Rel3.0
+    * @param aView View to initialize.
+    * @param aDb Database ID.
+    */
+    void InitViewLC( RDbView& aView, 
+                     TDatabaseId aDb,
+                     TBool aUpdate );
+    
+    /**
+    * Compare the given ID to the ID in the current position of the view.
+    * @since S60Rel3.0
+    * @param aView View.
+    * @param aCID Content-ID to check.
+    * @return Boolean.
+    */
+    TBool CompareCIDL( RDbRowSet& aView, const TDesC8& aCID );
+    
+    /**
+    * Push a cleanup item to the cleanup stack in order to rollback
+    * the database.
+    * @since S60Rel3.0
+    * @param aDb Database.
+    */
+    void PushL( RDbDatabase& aDb );
+    
+    /**
+    * Pop the cleanup item pushed in by PushL
+    * @since S60Rel3.0
+    */
+    void Pop();
+
+    /**
+    * Delete items starting from the oldest one.
+    * @since S60Rel3.0
+    * @param aView View.
+    * @param aHowMany How many items to delete. 
+    */
+    void DeleteOldestsL( RDbRowSet& aView, TInt16 aHowMany );
+    
+    /**
+    * Compacts the view to the upper limit of the view capacity.
+    * @since S60Rel3.0
+    * @param aView View to compact.
+    */
+    void CompactViewL( RDbRowSet& aView );
+    
+    /**
+    * Insert a content-id to the current position in the view.
+    * @since S60Rel3.0
+    * @param aView View to which the insertion is made.
+    * @param aId ID to add.    
+    */
+    void InsertIdL( RDbRowSet& aView, 
+                    const TDesC8& aId );
+    
+    private: // Data
+    // File server session handle. Not owned by this object.
+    RFs* iFs;
+    
+    // Database for timestamped items.
+    RDbNamedDatabase iTimeDb;
+    
+    // Database for the items without timestamp.
+    RDbNamedDatabase iPlainDb;
+    // RDbView iView;
+    };
+
+#endif //DRMREPLAYCACHE_H   
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