--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telephonyprotocols/gprsumtsqosprt/inc/context.h	Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,191 @@
+// 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 __CONTEXT_H__
+#define __CONTEXT_H__
+
+#include <networking/umtsnifcontrolif.h> // ..for TContextConfig, etc..
+#include <timeout.h>
+
+#include "parameters.h"	// ..for TPacketFilter, etc..
+
+class CRequestBase;
+class TFTInfo;
+class RExtensionData;
+class CFlowData;
+class CNif;
+
+/*
+ *   The returned sblp sub error should be between 1-7 in the PCO buffer
+ *   see TS 29.207,  annex D for details
+ */
+enum TSblpSubErrorRange
+	{
+	ESblpSubErrorValueMinimum = 1,
+	ESblpSubErrorValueMaximum = 7
+	};
+
+
+const TUint KMaxPacketFilters	= 8;
+
+class RContextConfig : public TContextConfig
+	/**
+	* Add some access functions to the TContextConfig
+	*/
+	{
+public:
+	// Allow access to TFTInfo without needing a copy
+	inline TTFTInfo& TFTInfo() { return iTFTInfo; }
+	};
+
+class CPdpContext : public CBase
+	{
+	friend class CNif;
+	friend class CRequestBase;
+public:
+
+    static CPdpContext* NewL(CNif& aNifItem, const TContextType& aType, TUint8 aContextId);
+	
+	~CPdpContext();
+
+	TInt Activate();
+	void ActivateReply(CRequestBase* aRequest, const TContextParameters& aParams);
+
+	TInt ModifyActive();
+	void ModifyActiveReply(CRequestBase* aRequest, const TContextParameters& aParams);
+
+	TInt SetQoS();
+	TInt SetQoS(const TQoSParameters& aGeneric, const TQoSRequested& aUmts);
+	void SetQoSReply(CRequestBase* aRequest, const TContextParameters& aParams);
+
+    TInt ModifyTft(const TTFTOperationCode& aTFTOperationCode, const TTFTInfo& aTft);
+	void ModifyTftReply(CRequestBase* aRequest, const TContextParameters& aParams);
+
+	void ParametersChangedEvent(const TContextParameters& aParams);
+	void DeleteEvent(const TContextParameters& aParams);
+	
+	TInt Delete();
+	TInt AddPacketFilter(CFlowData& aFlow, TTFTInfo& aTft);
+	TInt RemovePacketFilter(TTFTInfo& aTft, const CFlowData* aFlow = NULL);
+
+	void Block();
+	void UnBlock();
+	inline TUint IsFlowBlocked() const;
+
+	void FlowAttached();
+	void FlowDetached();
+	void SetContextStatus(const RPacketContext::TContextStatus& aStatus);
+
+	TInt GetQoSRanking();
+	TBool IsPrimary() const;
+
+	inline TInt RefCount() const; 
+	inline TInt ContextId() const;
+	inline TInt ChannelId() const;
+	inline void SetChannelId(TInt aChannelId);
+	inline CNif& Nif();
+	inline const RExtensionData& Extension() const;
+	inline TBool ContextActive() const;
+	inline TBool ContextInactive() const;
+	inline RPacketContext::TContextStatus ContextStatus() const;
+	inline TInt TrafficClass() const;
+	inline TDblQue<CFlowData>& Flows();
+	inline TContextType ContextType() const;
+
+protected:
+	TSglQueLink iNext;
+    
+    CPdpContext(CNif& aNifItem, TContextType aType, TUint8 aContextId);
+	static TBool CheckSblpErrorInPcoBuffer(const TContextParameters& aParams, TUint8& parsedSblpErrorValue);
+
+	void ConstructL();
+	void GenerateEvent(TUint aEventType, const TContextParameters& aParams);
+	TBool MatchPacketFilter(const TPacketFilter& aFlow, const TPacketFilter& aFilter) const;
+	TInt FindPacketFilterId();
+	void Update(const TContextParameters& aParams);
+
+private:
+    void NotifyBlockingState(TUint aOldBlocking);
+
+    TInt iRefs;								// count of attached flows (just for information)
+
+	// Blocked/Unblocked status as indicated by NIF. If NIF reports
+	// "blocked", the context stays blocked until NIF reports "unblock"
+	// This is totally independent of context status and flow blocking:
+	// flows are blocked if context is "blocked" *OR* status is not active.
+	TUint8 iBlocked;
+	
+	TUint8 iContextId;
+	TInt iChannelId;
+	TContextType iContextType;
+	RPacketContext::TContextStatus iContextStatus;
+
+	CNif& iNifItem;							// Nif interface
+	TDblQue<CFlowData> iFlows;				// Flow list
+
+	// Currently Active filters.
+	TInt iNumFilters;
+	TPacketFilter iFilters[KMaxPacketFilters];
+
+	// Current parameters/configuration
+	TQoSNegotiated	iNegotiated;
+public:
+	// Timeout handling
+	void Timeout();
+	RTimeout iTimeout;
+	};
+
+// inline methods
+inline TContextType CPdpContext::ContextType() const
+	{ return iContextType; }
+
+inline TInt CPdpContext::ContextId() const
+	{ return iContextId; }
+
+inline TInt CPdpContext::ChannelId() const
+	{ return iChannelId; }
+
+inline void CPdpContext::SetChannelId(TInt aChannelId)
+	{ iChannelId = aChannelId; }
+
+inline CNif& CPdpContext::Nif()
+	{ return iNifItem; }
+
+inline TInt CPdpContext::RefCount() const
+	{ return iRefs; }
+
+inline TBool CPdpContext::ContextActive() const
+	{ return (iContextStatus == RPacketContext::EStatusActive); }
+
+inline TBool CPdpContext::ContextInactive() const
+	{ return (iContextStatus == RPacketContext::EStatusInactive); }
+
+inline RPacketContext::TContextStatus CPdpContext::ContextStatus() const
+	{ return iContextStatus; }
+
+inline TInt CPdpContext::TrafficClass() const
+	{ return iNegotiated.iTrafficClass; }
+
+inline TDblQue<CFlowData>& CPdpContext::Flows()
+	{ return iFlows; }
+
+inline TUint CPdpContext::IsFlowBlocked() const
+	// Flows are blocked if either explicit blocking from NIF is on,
+	// or the context is not active.
+	{ return iBlocked || !ContextActive(); }
+
+typedef TDblQueIter<CFlowData> TDblFlowIter;
+
+#endif