// Copyright (c) 2007-2009 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:

//

/**

 * @file CommsDatMapperAndValidatorUtils.h

 *

 * Definitions for internal use within CommsDat component for the Mapper and

 * Validator objects

 *

 * @internalTechnology

 * @released

 *

 *

 */

#ifndef COMMSDATMAPPERANDVALIDATORUTILS_H

#define COMMSDATMAPPERANDVALIDATORUTILS_H

#ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

#include <metadatabase.h>

#include <cdbcols.h>

#include <in_sock.h> //KAfInet

//forward declarations

namespace CommsDat

    {

    class CMDBSession;

    class CCDAPPrioritySelectionPolicyRecord;

    class CCDAccessPointRecord;

    template<class RECORD_TYPE>

    class CMDBRecordLink;

    //Possible operations which the validatior should handle

    typedef enum 

        {

        ELoad,

        ERefresh,

        EStore,

        EModify,    //ModifyL or StoreL method

        EDelete,    //DeleteL method

        EFind		//FindL method

        } TOperation;

    }

namespace CommsDatInternal

/*

@internalTechnology

*/

{

_LIT(KNetworkAPTemplateRecName,"NetworkDefaultTemplate");

_LIT(KIPProtoTemplateRecName,"IPProtoDefaultTemplate");

_LIT(KIPProtoTag, "IPProto_generated_");

_LIT(KDefaultIPProtoRecName, "IPProtoDefault");

const TInt MAX_BUFFER_LEN_FOR_NAMING = 10;

const TInt IPProtoBaseTagId = 10001;

//the maximum number of IAP links from the ConnPref table (1/record)

const TInt MaxNumberOfLinks = 2;

//the maximum number of AP/IAP links in an APPrioritySelPol/IAPPrioritySelPol record

const TInt MaxLinkCount = 15;

NONSHARABLE_CLASS(CommsDatMapperAndValidator)

/*

Contains definitions for the Validator and Mapper objects. The functions 

are not exported.

@internalTechnology

*/

    {

    public:

    enum

        {

        ENetworkLevelTierId = KAfInet,  // Network Tier Id : KAfInet=0x0800 

        EIPProtoTierId = 271064560,

        ELinkTierId = 271064565

        };

    typedef enum

        {

        EUndefined,

        ENetworkLevel,

        EIPProtoLevel,

        ELinkLevel

        } TAPTypes;

    typedef enum

        {

        EConnPref,

        EIAPPriorSelPol

        } TSelPolModLogic;

    static TInt GenerateTagIdL(TInt aBaseTagId, CommsDat::CMDBSession& aSession);

    static CommsDat::CCDAPPrioritySelectionPolicyRecord* FindTheAPPrioritySelPolRecL(CommsDat::CMDBSession& aSession);

    static CommsDat::CCDAccessPointRecord* GenerateIPProtoAPL(TInt aTagGenerationBase, 

                                                              TInt aLinkLevelAPTagId,

                                                              CommsDat::CMDBSession& aSession);

    static void GenerateRecordName(TDes& aBuffer, TInt aUniqueNumber);

    static void ModifyAPPrioritySelPolRecL(CommsDat::CMDBRecordLink<CommsDat::CCDAccessPointRecord>*& aFieldInRecord,

                                          CommsDat::CCDAPPrioritySelectionPolicyRecord*& aAPSelPolRec,

                                          TInt aAPElementId);

    static void ModifyDefaultTierRecordL(TInt aAPElementId, 

                                         CommsDat::CMDBSession& aSession);

    static TInt GetDefAPPrioritySelPolLinkValueL(CommsDat::CMDBSession& aSession);

    static TInt GetNetworkTierRecordIdL(CommsDat::CMDBSession& aSession);

    static TInt GetIPProtoTierRecordIdL(CommsDat::CMDBSession& aSession);

    static TBool IsIPProtoAPAlreadyExistL(TInt aLinkLevelTagId, CommsDat::CMDBSession& aSession);

    static TBool IsIPProtoAPAlreadyExistL(TInt aLinkLevelTagId, TInt aConnPrefElementId, CommsDat::CMDBSession& aSession);

    static inline CommsDat::CCDAccessPointRecord* LoadIPProtoAccessPointL(TInt aLinkLevelTagId, CommsDat::CMDBSession& aSession);

    static CommsDat::CCDAccessPointRecord* LoadIPProtoAccessPoint(TInt aLinkLevelTagId, CommsDat::CMDBSession& aSession);

    static TInt CountReferenceToThisIPProtoAPL(TUint aElementId, CommsDat::CMDBSession& aSession);

    static TInt CountReferenceToThisIPProtoAPL(TUint aElementId, 

    										   CommsDat::CCDAPPrioritySelectionPolicyRecord* aTheAlreadyDeletedRecord,

    										   CommsDat::CMDBSession& aSession);

    static TBool IsIAPRecInDB(CommsDat::CMDBSession& aSession);

    static TBool IsDefIPProtoAPInDB(CommsDat::CMDBSession& aSession);

    static CommsDat::CCDAccessPointRecord* GetTheDefIPProtoAP(CommsDat::CMDBSession& aSession);

    static TInt GetNumberOfThisIPProtoAPL(CommsDat::CCDAccessPointRecord* aAPRecToBeDeleted, CommsDat::CMDBSession& aSession);

    static void CorrectLinksL(TUint aElementIdToBeDeleted, CommsDat::CMDBSession& aSession);

    private:

    CommsDatMapperAndValidator();

    CommsDatMapperAndValidator(const CommsDatMapperAndValidator&);

    CommsDatMapperAndValidator& operator=(const CommsDatMapperAndValidator&);

    static void CheckTheAPPrioritySelPolFromConnPrefModL(CommsDat::CCDAPPrioritySelectionPolicyRecord*& aAPSelPolRec);

    static TBool FindIPProtoAccessPointRecordL(CommsDat::CCDAccessPointRecord& aAccessPoints, CommsDat::CMDBSession& aSession);

    }; //CommsDatMapperAndValidator

inline CommsDat::CCDAccessPointRecord* CommsDatMapperAndValidator::LoadIPProtoAccessPointL(TInt aLinkLevelTagId, CommsDat::CMDBSession& aSession)

    {

    CommsDat::CCDAccessPointRecord* ap = LoadIPProtoAccessPoint(aLinkLevelTagId, aSession);

    if (!ap)

        {

        User::Leave(KErrNotFound);

        }

    return ap;

    }

} //end of namespace CommsDatInternal

#endif //SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

#endif //COMMSDATMAPPERANDVALIDATORUTILS_H