--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telephonyprotocols/pdplayer/inc/pdptiermanager.h	Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,188 @@
+// 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:
+//
+
+/**
+ @file
+ @internalComponent
+*/
+
+#ifndef SYMBIAN_PDPTIERMANAGER_H
+#define SYMBIAN_PDPTIERMANAGER_H
+
+#include <comms-infras/coretiermanager.h>
+#include <comms-infras/contentionmanager.h>
+#include <etelpckt.h>
+using namespace ESock;
+
+class CMBMSEngine;
+class CContextStatusMonitor;
+class CContextTypeChecker;
+
+
+class MPacketServiceNotifier
+	{
+public:	
+	virtual void PacketServiceAttachedCallbackL() = 0;
+	};
+
+class MContextEventsObserver
+	{
+public:
+	virtual void PrimaryContextAddedL(const TName* aContextName) = 0;
+	virtual void SecondaryContextAdded(const TName* aContextName) = 0;
+	virtual void PrimaryContextDeleted(const CContextStatusMonitor* aContextStatusMonitor) = 0;
+	virtual void ContextMonitoringError(const CContextStatusMonitor* aContextStatusMonitor, TInt aError) = 0;
+	virtual void ContextTypeCheckingError(const TName* aContextName, TInt aError) = 0;
+	};
+
+class CContextStatusMonitor : public CActive
+	{
+public:
+	CContextStatusMonitor(RPacketService& aPacketService, MContextEventsObserver& aCallback);
+	~CContextStatusMonitor();
+
+public:
+	TBool StartL(const TName& aContextName);
+	inline TBool IsPassedThroughActiveState() const;
+
+private:
+	void RunL();
+	void DoCancel();
+	TInt RunError(TInt aError);
+
+private:
+	RPacketService& iPacketService;
+	RPacketContext iPacketContext;
+	RPacketContext::TContextStatus iContextStatus;
+	MContextEventsObserver& iCallback;
+	TName iContextName;
+	TBool iWasActive;
+	};
+
+
+class CPrimaryContextsMonitor : public CActive, MContextEventsObserver
+	{
+	enum TState {EEnumeratingContexts, EGettingInfo, EListening};
+public:
+	CPrimaryContextsMonitor(RPacketService& aPacketService, MContentionObserver& aCallback);
+	~CPrimaryContextsMonitor();
+public:
+	void StartL();
+
+// from MContextEventsObserver
+	void PrimaryContextAddedL(const TName* aContextName);
+	void SecondaryContextAdded(const TName* aContextName);
+	void PrimaryContextDeleted(const CContextStatusMonitor* aContextStatusMonitor);
+	void ContextMonitoringError(const CContextStatusMonitor* aContextStatusMonitor, TInt aError);
+	void ContextTypeCheckingError(const TName* aContextName, TInt aError);
+
+private:
+	void RunL();
+	void DoCancel();
+	TInt RunError(TInt aError);
+	void DeleteContextStatusMonitor(const CContextStatusMonitor* aContextStatusMonitor);
+	void SwitchStateL();
+	void StartContextStatusMonitoringL(const TName& aContextName);
+	void RemoveContextNameAndCheckNext(const TName* aContextName);
+	void ProcessError(TInt aError);
+
+private:
+	RPointerArray<CContextStatusMonitor> iContextMonitors;
+	RPointerArray<TName> iAddedContextsNames;
+	CContextTypeChecker* iContextTypeChecker;
+	RPacketService& iPacketService;
+	TState iState;
+	RPacketService::TNifInfoV2 iCurrentNifInfo;
+	TInt iInitialNifsCount;
+	TInt iCurrentNifIndex;
+	TBool iFirstContextAdded;
+	MContentionObserver& iCallback;
+	};
+
+class CContextTypeChecker : public CActive
+	{
+public:
+	CContextTypeChecker(RPacketService& aPacketService, MContextEventsObserver& aCallback);
+	~CContextTypeChecker();
+
+public:
+	void Start(const TName* aContextName);
+	void RunL();
+	TInt RunError(TInt aError);
+	void DoCancel();
+
+private:
+	RPacketService& iPacketService;
+	const TName* iContextName;
+	MContextEventsObserver& iCallback;
+	TInt iCountInNif;
+	};
+
+class CPdpContentionManager : public CContentionManager
+	{
+public:
+	static CPdpContentionManager* NewL(const ESock::CTierManagerBase& aTierManager, RPacketService& aPacketService);
+	~CPdpContentionManager();
+
+public:
+	void StartMonitoringL();
+
+private:
+	void ConstructL(RPacketService& aPacketService);
+	CPdpContentionManager(const ESock::CTierManagerBase& aTierManager);
+
+private:
+	// from CContentionManager
+	virtual void ContentionResolved(const TContentionRequestItem& aContentionRequest, TBool aResult);
+	virtual void ContentionOccured(ESock::CMetaConnectionProviderBase& aMcpr);
+	virtual void ReportContentionAvailabilityStatus(ESock::CMetaConnectionProviderBase& aMcpr, const ESock::TAvailabilityStatus& aStatus) const;
+	
+private:
+	CPrimaryContextsMonitor* iPrimaryContextsMonitor;
+	};
+
+//PDP Tier Manager
+class CPDPTierManager : public CCoreTierManager, public MPacketServiceNotifier
+	{
+public:
+	static CPDPTierManager* NewL(ESock::CTierManagerFactoryBase& aFactory);
+	~CPDPTierManager();
+
+public:
+	void PacketServiceAttachedCallbackL();
+	TBool IsUnavailableDueToContention(const ESock::CMetaConnectionProviderBase* aMetaConnectionProvider) const;
+
+protected:
+    CPDPTierManager(ESock::CTierManagerFactoryBase& aFactory, const MeshMachine::TNodeActivityMap& aActivityMap);
+
+    virtual ESock::MProviderSelector* DoCreateProviderSelectorL(const Meta::SMetaData& aSelectionPreferences);
+	virtual void ReceivedL(const Messages::TRuntimeCtxId& aSender, const Messages::TNodeId& aRecipient, Messages::TSignatureBase& aMessage);
+
+	TBool HandleContentionL(ESock::CMetaConnectionProviderBase* aMcpr, Messages::TNodeId& aPendingCprId, TUint aPriority);
+private:
+    void ConstructL();
+
+private:
+	CMBMSEngine* iMBMSEngine;
+	CPdpContentionManager* iPdpContentionManager;
+	};
+
+inline TBool CContextStatusMonitor::IsPassedThroughActiveState() const
+	{
+	return iWasActive;
+	}
+
+#endif // SYMBIAN_PDPTIERMANAGER_H
+