// Copyright (c) 2006-2009 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

 @internalComponent

*/

#include "pdptiermanagerselector.h"

#include "pdptiermanagerfactory.h"

#include <comms-infras/ss_log.h>

#include <commsdattypesv1_1.h>

#include <commsdattypesv1_1_partner.h>

#include <comms-infras/ss_tiermanagerutils.h>

#include <es_connpref.h>	//TConnIdList

#include <es_enum_internal.h>	

#ifdef __CFLOG_ACTIVE

#define KPdpTierMgrTag KESockTierTag

_LIT8(KPdpTierMgrSubTag, "pdptiermgr");

#endif // __CFLOG_ACTIVE

using namespace ESock;

using namespace CommsDat;

//Panic codes

_LIT(KPdpSelectorPanic, "PdpSelector");

enum TPdpSelectorPanic

	{

	EExpectedAccessPointAwareSystem = 0,     

	EUnExpectedSelectionPreferences = 1

    };

//

//CPdpProviderSelector

class CPdpProviderSelector : public CBase, public ASimpleSelectorBase

/** Link connection selector.

	Simple selector object for the link layer.

@internalComponent

@prototype

*/

	{

public:

	explicit CPdpProviderSelector(const Meta::SMetaData& aSelectionPreferences)

	:	ASimpleSelectorBase(aSelectionPreferences)

		{

		}

private:

	virtual void SelectL(ESock::ISelectionNotify& aSelectionNotify);

	};

void CPdpProviderSelector::SelectL(ISelectionNotify& aSelectionNotify)

	{

	ASSERT(iDbs);

	ASSERT(iTierRecord);

	TUint32 defaultAccessPoint = iTierRecord->iDefaultAccessPoint;

	//This selector deals only with the AccessPoint aware system!

	__ASSERT_DEBUG(defaultAccessPoint!=0,User::Panic(KPdpSelectorPanic,EExpectedAccessPointAwareSystem));

	if (iSelectionPrefs.IsEmpty())

		{

    	//Implicit case on the new setup

		__CFLOG_VAR((KPdpTierMgrTag, KPdpTierMgrSubTag, _L8("CPdpProviderSelector %08x::\tSelectL() Using Default AP:%d"),this,defaultAccessPoint));

		aSelectionNotify.SelectComplete(this,FindOrCreateProviderL(defaultAccessPoint));

		aSelectionNotify.SelectComplete(this,NULL);

		return;

		}

	const TConnPref& prefs = iSelectionPrefs.Prefs();

	if (prefs.ExtensionId() == TConnPref::EConnPrefProviderInfo)

		{

    	ASSERT(iSelectionPrefs.Scope() & TSelectionPrefs::ESelectFromExisting); //This is always attach

		const TConnProviderInfo& connProvInfo = static_cast<const TConnProviderInfoPref&>(prefs).Info();

		__CFLOG_VAR((KPdpTierMgrTag, KPdpTierMgrSubTag, _L8("CPdpProviderSelector %08x::\tSelectL() Using TConnProviderInfoPref, AP:%d"),this,connProvInfo.iInfo[1]));

		aSelectionNotify.SelectComplete(this,FindProviderL(connProvInfo.iInfo[1],(TAny*)connProvInfo.iInfo[2]));

		aSelectionNotify.SelectComplete(this,NULL);

		return;

		}

	if (prefs.ExtensionId() == TConnPref::EConnPrefSnap)

		{

		TUint accessPoint = static_cast<const TConnSnapPref&>(prefs).Snap();

		__CFLOG_VAR((KPdpTierMgrTag, KPdpTierMgrSubTag, _L8("CPdpProviderSelector %08x::\tSelectL() Using TConnPrefSnap, AP:%d"),this,accessPoint));

		aSelectionNotify.SelectComplete(this,FindOrCreateProviderL(accessPoint));

		aSelectionNotify.SelectComplete(this,NULL);

		return;

		}

	if (prefs.ExtensionId() == TConnPref::EConnPrefIdList)

		{

		__CFLOG_VAR((KPdpTierMgrTag, KPdpTierMgrSubTag, _L8("CPdpProviderSelector %08x::\tSelectL() Using TConnIdList"),this));

		const TConnIdList& list = static_cast<const TConnIdList&>(prefs);

		TInt count = list.Count();

		for (TInt i = 0; i < count; i++)

			{

			aSelectionNotify.SelectComplete(this,FindOrCreateProviderL(list.Get(i)));

			}

		aSelectionNotify.SelectComplete(this,NULL);

		return;

		}

	//In this selector we _must_ have the new preferences, otherwise it means that

	//a critical, non-recoverable mitsake has occured before when this selector has been picked.

	__CFLOG_VAR((KPdpTierMgrTag, KPdpTierMgrSubTag, _L8("ERROR: CPdpProviderSelector %08x::\tSelectL() Unexpected selection preferences"),this));

	User::Panic(KPdpSelectorPanic,EUnExpectedSelectionPreferences);

	}

//

// TPdpSelectorFactory::NewSelectorL - This fn matches a selector

MProviderSelector* TPdpSelectorFactory::NewSelectorL(const Meta::SMetaData& aSelectionPreferences)

	{

	__CFLOG_VAR((KPdpTierMgrTag, KPdpTierMgrSubTag, _L8("CPdpMetaCprSelectorBase::\tNewL()")));

	ASSERT(aSelectionPreferences.IsTypeOf(TSelectionPrefs::TypeId()));

	CMDBSession* dbs = CMDBSession::NewLC(KCDVersion1_2);

	CPdpProviderSelector* self = new (ELeave) CPdpProviderSelector(aSelectionPreferences);

	CleanupStack::PushL(self);

	ASSERT(self->iTierRecord==NULL);

	self->iTierRecord = TierManagerUtils::LoadTierRecordL(TUid::Uid(CPDPTierManagerFactory::EUid),*dbs);

	CleanupStack::Pop(self);

	CleanupStack::Pop(dbs);

	ASSERT(self->iDbs==NULL);

	self->iDbs = dbs;

	return self;

	}