// Copyright (c) 2008-2009 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:

// Implements client hardware address fetching.

// 

//

/**

 @file

 @internalTechnology

*/

#include "naptutil.h"

/** 

  * Fucntion to fetch the IP from CommsDb, and Traps any leave.

  * @internalTechnology

  * @param aIapId - IAP identifier

  * @param aClientIp - Returns the fetched IP address 

  */

TInt TNaptUtil::GetClientIp(TInt aIapId, TUint32& aClientIp)

{

	TRAPD(err, GetClientIpFromCommsL(aIapId, aClientIp));

	return err;

}

/** 

  * Open the IAP record

  * @internalTechnology

  * @param aDbSession - Commsdb session

  * @param aIapRecord - IAP record

  * @param aIapId - IAP identifier

  */

void TNaptUtil::OpenIAPViewLC(CMDBSession*& aSession, CCDIAPRecord*& aIapRecord, TInt aIapId)

	{

#ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

	aSession = CMDBSession::NewLC(KCDVersion1_2);

#else

	aSession = CMDBSession::NewLC(KCDVersion1_1);

#endif

	// Reveal hidden or private IAP records if a licensee has chosen to protect a record

	// using one of these flags - the API to do this is public so internal components

	// have to support the use of such records.

	aSession->SetAttributeMask(ECDHidden | ECDPrivate);

	aIapRecord = static_cast<CCDIAPRecord*>(CCDRecordBase::RecordFactoryL(KCDTIdIAPRecord));

	CleanupStack::PushL(aIapRecord);

    aIapRecord->SetRecordId(aIapId);

	aIapRecord->LoadL(*aSession);

	}

/** 

  * Initialize the service link

  * @internalTechnology

  * @param aDbSession - Commsdb session

  * @param aIapRecord - IAP record

  */

void TNaptUtil::InitialServiceLinkL(CMDBSession* aDbSession, CCDIAPRecord* aIapRecord)

	{

	if (aIapRecord->iService.iLinkedRecord == 0)

		{

		const TDesC& servType = aIapRecord->iServiceType;

		if (servType.CompareF(TPtrC(KCDTypeNameLANService))==0)

			{

			aIapRecord->iService.iLinkedRecord = static_cast<CCDLANServiceRecord*>(CCDRecordBase::RecordFactoryL(KCDTIdLANServiceRecord));

			}

		else

			{

			User::Leave(KErrBadName);	

			}

		aIapRecord->iService.iLinkedRecord->SetRecordId(aIapRecord->iService);

		}

	aIapRecord->iService.iLinkedRecord->LoadL(*aDbSession);

	}

/** 

  * Fetch the server IP address from comms and generate client ID

  * @internalTechnology

  * @param aIapId - IAP identifier

  * @param aClientIp - Returns the fetched IP address 

  */

void TNaptUtil::GetClientIpFromCommsL(TInt aIapId, TUint32& aClientIp)

{

	CMDBSession* session;

	CCDIAPRecord* iap;

	// next call leaves session and iap object on cleanupstack

	OpenIAPViewLC(session, iap, aIapId);

	CCDServiceRecordBase* service = NULL;

	InitialServiceLinkL(session, iap);

	service = static_cast<CCDServiceRecordBase *>(iap->iService.iLinkedRecord);

	TInt ignoreThis;

	CMDBField<TDesC>* cdbLoadBool = static_cast<CMDBField<TDesC>*>(service->GetFieldByNameL(KCDTypeNameIpAddr, ignoreThis));

	TInetAddr inetAddr;

	inetAddr.Input(*cdbLoadBool);

	TUint32 serverAddr = inetAddr.Address();

	TUint32 hostId = (serverAddr & ~KInetAddrNetMaskC) + 1;

	if (hostId >= 255)

	 {

	 hostId = 1;

	 }

	aClientIp = (serverAddr & KInetAddrNetMaskC) | hostId;

	service = NULL;

	CleanupStack::PopAndDestroy(iap);

	CleanupStack::PopAndDestroy(session);

}