--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarks/locationlandmarks/server/inc/EPos_CPosLmLocalAccessSubsession.h	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,190 @@
+/*
+* Copyright (c) 2002-2005 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: subsession class for operations related to local access.
+*
+*
+*/
+
+
+#ifndef CPOSLMLOCALACCESSSUBSESSION_H
+#define CPOSLMLOCALACCESSSUBSESSION_H
+
+#include <EPos_Landmarks.h>
+#include "EPos_CPosLmSubsessionBase.h"
+#include "EPos_PosLmServerCommon.h"
+#include "EPos_CPosLmNameIndex.h"
+
+class CPosLmEventHandler;
+class CPosLmLocalDbAccess;
+class CPosLmActiveCompacter;
+class CPosLmNameIndex;
+
+
+/**
+* This is a subsession class for operations related to local access.
+*/
+class CPosLmLocalAccessSubsession : public CPosLmSubsessionBase
+    {
+
+    public: // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        *
+        * @param[in] aLmServer Reference to the landmark server.
+        */
+        static CPosLmLocalAccessSubsession* NewLC( CPosLmServer* aServer );
+
+        ~CPosLmLocalAccessSubsession();
+
+    public: 
+
+        /**
+        * Checks if the db of this subsession matches the specified URI and if
+        * so if the db has a write lock.
+        *
+        * @param[in] aUri The URI to compare with.
+        * @return ETrue if the URI matches and this subsession has a write
+        *   lock, otherwise EFalse.
+        */
+        TBool HasWriteLock( const TDesC& aUri );
+
+        /**
+        * Checks if the db of this subsession matches the specified URI and if
+        * so if the db has any lock.
+        *
+        * @param[in] aUri The URI to compare with.
+        * @return ETrue if the URI matches and this subsession has any lock,
+        *   otherwise EFalse.
+        */
+        TBool HasAnyLock( const TDesC& aUri );
+
+        /**
+        * Handles an incoming operation event from the server. If the URI
+        * matches the URI associated with this subsession, the event is
+        * forwarded to the client, if it is listening for events.
+        *
+        * @param[in] aEvent The event.
+        * @param[in] aUri A URI associated with the database from which the event
+        *   was generated.
+        * @param[in] aCheckUri ETrue if the URI should be checked. EFalse otherwise.
+        */
+        void HandleOperationEventL(
+            TPosLmEvent aEvent,
+            const TDesC& aUri,
+            TBool aCheckUri );
+
+        /**
+        * Completes outstanding events in the event handler.
+        *
+        * @param[in] aError An error code to complete the request with.
+        */
+        void CompleteOutstandingEventRequest( TInt aError );
+
+        /** Releases the write lock for an internal compact. */
+        void ReleaseCompactLock();
+
+    public: // Functions from base classes
+
+        /** Handles the servicing of client requests to the server.
+        * @param[in] aMessage The message containing the client request.
+        */
+        void ServiceL( const RMessage2& aMessage );
+
+    private:
+
+        /**
+        * C++ default constructor.
+        *
+        * @param[in] aLmServer Reference to the landmark server.
+        */
+        CPosLmLocalAccessSubsession( CPosLmServer* aServer );
+
+        void ConstructL();
+
+        /**
+        * Reads and stores the database URI sent from the client. The URI
+        * shows which database the client is connected to. The message
+        * is completed with KErrNone within this function.
+        *
+        * @param[in] aMessage Message containing the client request.
+        */
+        void RegisterUriL( const RMessage2& aMessage );
+
+        void DatabaseLockL( const RMessage2& aMessage );
+
+        void ForwardEventToAllSessionsL( const RMessage2& aMessage );
+
+        void CreateDefaultDatabaseL( const RMessage2& aMessage );
+
+        void HandleReadSortedLandmarksL( const RMessage2& aMessage );
+        void GetSortedLandmarksL( 
+            CPosLmNameIndex& aNameIndex,
+            RWriteStream& aOut,
+            TPosLmServerReadArrayParam& aParam,
+            TInt aMaxSize );
+        void GetSortedLandmarksReverseL( 
+            CPosLmNameIndex& aNameIndex,
+            RWriteStream& aOut,
+            TPosLmServerReadArrayParam& aParam,
+            TInt aMaxSize );
+        TBool ExportIndexItemL( 
+            const CPosLmNameIndex::CItem& aItem,
+            RWriteStream& aOut,
+            TInt& aLeftInBuffer,
+            TPosLmServerReadArrayParam& aParam );
+        
+        void HandleReadSortedIdsL( const RMessage2& aMessage );
+        
+        void HandleUpdateLandmarkIndexL( const RMessage2& aMessage );
+
+        void HandleLandmarksAddedOrUpdatedL( const RMessage2& aMessage );
+        
+        void HandleLandmarksRemovedL( const RMessage2& aMessage );
+
+        void CheckDiskSizeL( const TDesC& aUri );
+
+        void CompactIfNeededL();
+        
+        void HandleDataTransactionL( const RMessage2& aMessage );
+        
+        void HandleNameIndexStatusL( const RMessage2& aMessage );
+        
+        void HandleUseNameIndexL( const RMessage2& aMessage );
+        
+        /** Leaves, if index for this database is not loaded.
+         *  To ensure that index is loaded, client has to register
+         *  with EPosLmServerOpenNameIndex */
+        void AssertIndexLoadedL();
+
+    private:    // Data
+
+        // Database URI associated with the client database.
+        HBufC* iDbUri;
+
+        CPosLmLocalDbAccess* iDbAccess;
+
+        CPosLmEventHandler* iEventHandler;
+
+        TBool iHasWriteLock;
+
+        TInt iNoOfReadLocks;
+
+        CPosLmActiveCompacter* iCompacter;
+        
+        TBool iUsingNameIndex;
+    };
+
+#endif //CPOSLMLOCALACCESSSUBSESSION_H
+