landmarks/locationlandmarks/server/inc/EPos_CPosLmServerSession.h
changeset 0 667063e416a2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarks/locationlandmarks/server/inc/EPos_CPosLmServerSession.h	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,284 @@
+/*
+* Copyright (c) 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: Landmarks Server session class.
+*
+*
+*/
+
+
+#ifndef CPOSLMSERVERSESSION_H
+#define CPOSLMSERVERSESSION_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <badesca.h>
+#include <EPos_Landmarks.h>
+#include <EPos_TPosLmDatabaseEvent.h>
+#include "EPos_HPosLmDatabaseInfo.h"
+
+// FORWARD DECLARATIONS
+class CPosLmServer;
+class CPosLmSubsessionBase;
+class CPosLmSubsessionRegistry;
+
+// CLASS DECLARATION
+
+/**
+* Landmarks Server session class.
+*/
+class CPosLmServerSession : public CSession2
+    {
+
+    public: // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        *
+        * @param aServer The server creating this session.
+        */
+        static CPosLmServerSession* NewL(
+        /* IN/OUT */    CPosLmServer& aServer
+        );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CPosLmServerSession();
+
+    public: // New functions
+
+        /**
+        * Checks if the db of this session matches the specified URI and if so
+        * if the db has a write lock.
+        *
+        * @param aUri The URI to compare with.
+        * @return ETrue if the URI matches and this session has a write lock,
+        *   otherwise EFalse.
+        */
+        TBool HasWriteLock(
+        /* IN */        const TDesC& aUri
+        );
+
+        /**
+        * Checks if the db of this session matches the specified URI and if so
+        * if the db has any lock.
+        *
+        * @param aUri The URI to compare with.
+        * @return ETrue if the URI matches and this session has any lock,
+        *   otherwise EFalse.
+        */
+        TBool HasAnyLock(
+        /* IN */        const TDesC& aUri
+        );
+
+        /**
+        * Handles an incoming operation event from the server. If the URI
+        * matches the URI associated with this session, the event is
+        * forwarded to the client, if it is listening for events.
+        *
+        * @param aEvent The event.
+        * @param aUri A URI associated with the database from which the event
+        *   was generated.
+        * @param aCheckUri ETrue if the URI should be checked. EFalse otherwise.
+        */
+        void HandleOperationEventL(
+        /* IN */        TPosLmEvent aEvent,
+        /* IN */        const TDesC& aUri,
+        /* IN */        TBool aCheckUri
+        );
+
+        /**
+        * Handles an incoming operation event from the server.
+        * This function handles only database management events.
+        *
+        * @param aEvent The event.
+        * @param aUri A database URI.
+        */
+        void HandleOperationEventL(
+        /* IN */        TPosLmDatabaseEvent aEvent,
+        /* IN */        const TDesC& aUri
+        );
+
+        /**
+        * Completes outstanding events in the event handlers.
+        *
+        * @param aError An error code to complete the request with.
+        */
+        void CompleteOutstandingEventRequest(
+        /* IN */        TInt aError
+        );
+
+    public: // From base classes
+
+        /**
+        * Handles the servicing of client requests to the server.
+        *
+        * @param aMessage The message containing the client request.
+        */
+        void ServiceL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+   private:
+
+        /**
+        * C++ default constructor.
+        *
+        * @param aServer The server creating this session.
+        */
+        CPosLmServerSession(
+        /* IN/OUT */    CPosLmServer& aServer
+        );
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+        /**
+        * Dispatches the client requests.
+        *
+        * @param aMessage The message containing the client request.
+        */
+        void DispatchMessageL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        /**
+        * Adds a subsession to the registry. The subsession ownership is
+        * transferred from the caller.
+        *
+        * @param aSubsession The subsession to add.
+        * @param aMessage Message containing the client request.
+        */
+        void AddSubsessionToRegistryL(
+        /* IN */        CPosLmSubsessionBase* aSubsession,
+        /* IN */        const RMessage2& aMessage
+        );
+
+        /**
+        * Closes a subsession.
+        *
+        * @param aMessage The message containing the client request.
+        */
+        void CloseSubsession(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        /**
+        * Forwards the message to a subsession. Leaves with KErrNotSupported
+        * if no subsession exists.
+        *
+        * @param aMessage Message containing the client request.
+        */
+        void ForwardToSubsessionL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        /**
+        * Creates a Local Access subsession.
+        *
+        * @param aMessage Message containing the client request.
+        */
+        void CreateLocalAccessSubsessionL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        /**
+        * Creates an Event Listener subsession.
+        *
+        * @param aMessage Message containing the client request.
+        */
+        void CreateEventListenerSubsessionL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        /**
+        * Creates a Local DB Management subsession.
+        *
+        * @param aMessage Message containing the client request.
+        */
+        void CreateLocalDbManSubsessionL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        void RegisterDatabaseL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        void UnregisterDatabaseL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        void UnregisterAllDatabasesL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        void ModifyDatabaseSettingsL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        void ReadDatabaseSettingsL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        void ListDatabaseUrisL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        void RemainingDatabaseUrisL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        void ListDatabaseInfoL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        void RemainingDatabaseInfoL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        void ReportEventL(
+        /* IN */        const RMessage2& aMessage
+        );
+
+        void FreeResources(
+        /* IN */        const RMessage2& aMessage
+        );
+        
+        //we can not use RFs::GetSystemDriveChar because this function is available
+        //only from 3.2 plateform. So it will break compatibility in 3.1.
+        TChar GetSystemDriveChar();
+
+    private:    // Data
+
+        // Pointer to the server
+        CPosLmServer& iLmServer;
+
+        TBool iDecrementSessions;
+
+        CPosLmSubsessionRegistry* iSubsessionRegistry;
+
+        // Stores intermediate results of list operations
+        CDesCArray* iDesArray;
+
+        // Stores intermediate results of list operations
+        RPointerArray<HPosLmDatabaseInfo> iDbInfoArray;
+
+    };
+
+#endif      // CPOSLMSERVERSESSION_H
+
+// End of File
+