/*

* Copyright (c) 2007 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:  PSM client-server session class.

*

*/

#ifndef PSMSESSION_H

#define PSMSESSION_H

#include <e32base.h>

#include <psmtypes.h>

#include "psmclientserver.h"

/**

 * Main session class for PSM server. This is only for PSM client's 

 * internal use. R-classes are hidden to actual clients.

 * 

 * @since S60 5.0

 */

NONSHARABLE_CLASS ( RPsmServer ) : public RSessionBase

    {

    public:

        /**

         * Creates a session with a server.

         */

        TInt Connect();

        /**

         * Send message to server

         *

         * @param aRequest The function number identifying the request.

         * @param aArgs A set of up to arguments

         * @return KErrNone if connect succesfully, otherwise system wide error

         */

        TInt SendReceiveSync( TPsmServerRequest aRequest, const TIpcArgs& aArgs ) const;

        /**

         * Send asynchronous message to server

         *

         * @param aRequest The function number identifying the request.

         * @param aArgs A set of up to arguments

         * @param aStatus The request status object used to contain the completion status of the request.

         */

        void SendReceiveAsync( TPsmServerRequest aRequest, 

                               const TIpcArgs& aArgs, 

                               TRequestStatus& aStatus ) const;

    private:

        /**

         * Return server location

         *

         * @return location of server

         */

        TFullName ServerLocation() const;

        /**

         * Return version of server

         *

         * @return version of server

         */

        TVersion ServerVersion() const;

        /**

         * Starts server

         *

         * @return KErrNone if started succesfully, otherwise system wide error

         */

        TInt StartServer() const;

    };

#endif // PSMSESSION_H