/*

* 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:  Defines for Presence Cache.

 *

*/

#ifndef PRESENCECACHEDEFS_H

#define PRESENCECACHEDEFS_H

#include <e32std.h>

/*

 * ============================================================================

 * Presence cache constants

 * ============================================================================

 */

namespace NCacheSrv

    {

    /**

     * Cache server version numbers

     */

    namespace NVersion

        {

        const TInt KMajor = 1;

        const TInt KMinor = 1;

        const TInt KBuild = 1;

        }

    namespace DataBase

        {

        const TInt KBuddyIdMaxLen = 100;

        }    

    /**

     * Cache server names

     */

    namespace NName

        {

        _LIT( KExecutable,      "presencecacheserver.exe" );

        _LIT( KMainThread,      "PrCacheSrv" );

        _LIT( KSymbianServer,   "!XIMPCacheSrv" );

        _LIT( KServerPattern,   "*XIMP*" );

        }

    /**

     * Cache server requests

     */

    namespace NRequest

        {

        //Number asynchronous message slots for Cache server

        const TUint KMsgSlotCount = 4;

        //Presence cache op synch. codes

        enum TOpSyncCodes

            {

            EPrepReadPresenceInfoSync = 1,

            EGetLastPreparedPacket,

            EGetLastAsyncPreparedPacket,

            EBuddyCountInAllServices,

            EBuddyCountInService,

            EDeleteService,

            EDeletePresence,

            //EPrepGetAllServices,

            //EGetAllServices,

            EGetServiceCount,

            EWritePresenceInfoSync,

            //Subscription/Notification

            ESubscribeBuddyPresenceChange, // 0:aService.iUid, 1:myIdPack

            EUnSubscribeBuddyPresenceChange,// 0:aService.iUid, 1:myIdPack

            EGetLastNotifiedtPacket, // 0:&ptrBuf

            }; //See the starting count in TOpAsyncCodes before adding here

               //Total number should be less than that here

        //Presence cache op asynch. codes

        enum TOpAsyncCodes

            {

            ENoRequestMade = 21,

            EWritePresenceInfoAsync,

            ECancelAsyncOperation,

            EPrepReadAllBuddiesPresenceInService,

            EPrepReadAllGivenBuddiesPresence,

            //Subscription/Notification related

            EWaitingForNotification, // 0:&sizePckg

            ECancelWaitingForNotification // 

            };

        }

    /**

     * Other constants

     */

    namespace NConstants

        {

        //Number buddy infos write in each cycle of runl

        const TUint KMaxWriteEachCycle = 5;

        const TUint KMaxReadEachCycle  = 5;

        const TUint KMaxServicesCount  = 10;

        const TUint KGranularity	   = 10;

        }

    }

#endif  //PRESENCECACHEDEFS_H