sdkcreationmw/sdkexamples/cppexamples/S60Ex/ClientServerAsync/client/inc/timeserversession.h
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Wed, 21 Apr 2010 09:56:53 +0530
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/*
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* Copyright (c) 2004-2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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#ifndef __TIMESERVERSESSION_H__
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#define __TIMESERVERSESSION_H__
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// INCLUDE FILES
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#include <e32base.h>
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// CONSTANTS
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// Number of message slots to reserve for this client server session.
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// In this example we can have one asynchronous request outstanding
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// and one synchronous request in progress.
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const TUint KDefaultMessageSlots = 2;
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const TUid KServerUid3 = { 0xE0000227 }; // Server UID
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_LIT( KTimeServerFilename, "CSAsyncServer" );
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#ifdef __WINS__
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static const TUint KServerMinHeapSize =  0x1000;  //  4K
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static const TUint KServerMaxHeapSize = 0x10000;  // 64K
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#endif
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// CLASS DECLARATION
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/**
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* RTimeServerSession
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* This class provides the client-side interface to the server session
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*/
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class RTimeServerSession : public RSessionBase
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    {
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    public: // Constructors and destructors
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        /**
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        * RTimeServerSession.
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        * Constructs the object.
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        */
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        RTimeServerSession();
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    public: // New functions
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        /**
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        * Connect.
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        * Connects to the server and create a session.
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        * @return Error code.
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        */
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        TInt Connect();
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        /**
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        * Version.
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        * Gets the version number.
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        * @return The version.
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        */
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        TVersion Version() const;
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        /**
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        * RequestTime.
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        * Issues a request for the time to the server.
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        * @param aTime The location for the server to write data into.
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        * @param aStatus The TRequestStatus object to be used for async comms.
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        */
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        void RequestTime( TTime& aTime,TRequestStatus& aStatus );
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        /**
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        * CancelRequestTime.
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        * Cancels any outstanding request to the server.
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        */
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        void CancelRequestTime() const;
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    private: // Data
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        /**
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        * iTimeBuffer, buffer to write the time to.
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        */
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        TPtr8 iTimeBuffer;
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    };
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#endif // __TIMESERVERSESSION_H__
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// End of File