--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telephonyprotocols/gprsumtsqosprt/inc/iface.h	Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,172 @@
+// 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:
+//
+
+#ifndef __GUQOSIFACE_H__
+#define __GUQOSIFACE_H__
+
+#include <comms-infras/nifif.h>
+#include <timeout.h>
+#include <networking/umtsnifcontrolif.h>
+
+class CPdpContext;
+class CRequestBase;
+class CFlowData;
+
+enum TNifStatus
+	{
+	EUnknown,
+	EReady,
+	EPending,
+	EClosed
+	};
+
+const TUint KMaxEvaluationPrecedences = 256;
+
+class CModuleGuqos;
+
+// represents a Nif instance containing PDP contexts (there is one Nif instance per primary Pdp context)
+class CNif : public CBase, public MNifEvent
+	{
+public:
+	static CNif* NewL(CNifIfBase& aInterface, CModuleGuqos& aModule);
+	~CNif();
+
+	TInt NewPdpContext();
+	TInt PrimaryContextCreated(const TContextParameters& aParams);
+	void SecondaryContextCreated(const TContextParameters& aParams);
+	void DeletePdpContext(CPdpContext* aContext);
+
+	CPdpContext* FindContext(TInt aContextId);
+	CPdpContext* FindChannel(TInt aChannelId);
+
+	void AddRequest(CRequestBase& aRequest);
+
+	void CancelPendingRequest(CFlowData* aFlowData);
+	void CancelPendingRequest(CPdpContext* aContext);
+	TInt FindEvaluationPrecedence();
+	void RecomputeEvaluationPrecedences();
+
+	void CloseRequest(CRequestBase* aRequest);
+
+	TInt Event(CProtocolBase* aProtocol, TUint aName, TDes8& aOption, TAny* aSource=0);
+	TInt NetworkStatusEvent(const TNetworkParameters& aNetworkEvent);
+
+	inline CPdpContext* PrimaryPdpContext() const;
+	void IssueRequest();
+	inline void RemoveContext(CPdpContext& aContext);
+	inline CNifIfBase& Interface() const;
+	inline CModuleGuqos& Module() const;
+	inline void SetStatus(const TNifStatus& aStatus);
+	inline const TNifStatus& Status() const;
+	inline CPdpContext* DefaultPdpContext();
+	inline TUint32 IapId() const;
+
+	// Return a reference to initialized context parameters.
+	TContextParameters& ContextParameters();
+protected:
+	CNif(CNifIfBase& aInterface, CModuleGuqos& aModule);
+	void ConstructL();
+	TInt RegisterEventHandler();
+	TInt SetEvents(TBool aValue);
+	void SetDefaultQoS();
+
+private:
+	void SelectNewDefaultContext();
+	void AddContext(CPdpContext& aContext);
+	TInt CloseInterface();
+
+	CNifIfBase& iNif;				// CNif always has a valid CNifIfBase
+	CModuleGuqos& iModule;
+
+	CPdpContext* iPrimary;			// Primary PDP context (cannot be deleted while CNif exists)
+
+	TSglQue<CPdpContext> iContexts;
+
+	TUint32 iIapId;
+	TSglQueLink iNext;
+	TNifStatus iStatus;
+
+	TSglQue<CRequestBase> iPending;
+	CRequestBase* iCurrentRequest;
+	TUint32 iPendingSequence;		// Temporary hack to detect iPending modifications
+
+	//?? This really should be a bitmap, and not waste even 8 bits where 1 would do...
+	TUint8 iEvaluationPrecedenceMap[KMaxEvaluationPrecedences];
+
+	// Every NIF Control call requires use of this LARGE object. Include
+	// it in here, so that it does not need to be constantly allocated
+	// from heap or stack! Unfortunately, despite it being a T-class, it
+	// actually contains C-class pointers and RArrays!!! A major goof
+	// in specification!!!
+	TContextParameters iParameters;
+
+	friend class CNifManager;
+public:
+	void RunPendingRequests();
+	RTimeout iTimeout;
+	};
+
+typedef TSglQueIter<CPdpContext> TContextIter;
+
+// Inline methods
+inline CPdpContext* CNif::PrimaryPdpContext() const
+	{ return iPrimary; }
+
+inline void CNif::RemoveContext(CPdpContext& aContext)
+	{ iContexts.Remove(aContext); }
+
+//lint -e{1763} would like return to be const (now 'indirectly modifies')
+inline CNifIfBase& CNif::Interface() const
+	{ return iNif; }
+
+inline CModuleGuqos& CNif::Module() const
+	{ return iModule; }
+
+inline void CNif::SetStatus(const TNifStatus& aStatus)
+	{ iStatus = aStatus; }
+
+inline const TNifStatus& CNif::Status() const
+	{ return iStatus; }
+
+
+inline CPdpContext* CNif::DefaultPdpContext()
+	{ return iPrimary; }
+
+inline TUint32 CNif::IapId() const
+	{ return iIapId; };
+
+
+class CNifManager : public CBase
+	{
+public:
+	static CNifManager* NewL();
+	~CNifManager();
+
+	CNif* CreateNifL(CNifIfBase& aInterface, CModuleGuqos& aModule);
+	void DeleteNif(CNifIfBase* aInterface);
+	void DeleteNif(CNif* aInterface);
+	CNif* FindInterface(const CNifIfBase *aIface);
+	CPdpContext* FindChannel(TInt aChannelId);
+	void CancelPendingRequests(CFlowData* aFlowData);
+
+protected:
+	CNifManager();
+	void ConstructL();
+
+private:
+	TSglQue<CNif> iNifs;
+	};
+
+#endif