author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 14 Sep 2010 23:28:24 +0300 | |
branch | RCL_3 |
changeset 25 | 99439b07e980 |
permissions | -rw-r--r-- |
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// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Symbian Foundation License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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#ifndef ROLESWITCHHELPER_H |
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#define ROLESWITCHHELPER_H |
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#include <bt_sock.h> |
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#include <bluetooth/hci/hciutil.h> |
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#include "debug.h" |
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#include "linkutil.h" |
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#include "physicallinkhelper.h" |
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#include "physicallinks.h" |
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// watchdog for first half of the SM including: |
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// DisablingLPM, DisablingEncryption, RoleSwitch |
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const TUint KTimeoutRoleSwitch = 3000000; // 3 s; |
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// watchdog for EnablingEncryption |
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const TUint KTimeoutOneCommand = 2000000; // 2 s; |
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class TRoleSwitcherState; |
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NONSHARABLE_CLASS(CRoleSwitcher) : public CPhysicalLinkHelper |
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{ |
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friend class TRoleSwitcherState; |
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friend class TRSStateIdle; |
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friend class TRSStateDisablingLPM; |
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friend class TRSStateDisablingEncryption; |
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friend class TRSStateChangingRole; |
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friend class TRSStateChangingRoleWithEPR; |
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friend class TRSStateEnablingEncryption; |
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public: |
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static CRoleSwitcher* NewL(CPhysicalLinksManager& aLinkMgr, CPhysicalLink& aLink, TBTBasebandRole aRole); |
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~CRoleSwitcher(); |
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virtual void StartHelper(); |
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inline TBool IsEncryptionDisabledForRoleSwitch() const; |
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inline TBTBasebandRole RequestedRole() const; |
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TSglQueLink iQLink; |
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private: |
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CRoleSwitcher(CPhysicalLinksManager& aLinkMgr, CPhysicalLink& aLink, TBTBasebandRole aRole); |
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void ConstructL(); |
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virtual void TimerExpired(); |
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virtual void HandleError(TInt aError); |
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virtual void EventReceived(TBTBasebandEventNotification& aEvent); |
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void DisableEncryption(); |
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void ChangeRole(); |
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void EnableEncryption(); |
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void SaveEncryption(); |
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void LogRoleSwitchSuccessful(TBTBasebandEventNotification& aEvent) const; |
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TBool iIsEncrypted; |
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TBool iIsActive; // LinkMode |
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TBool iAddedToLinkMgr; |
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TBTBasebandRole iRole; // Requested role |
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TRoleSwitcherState* iState; |
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TBool iIsEncryptionDisabledForRoleSwitch; |
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}; |
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//-------------------------------------------------- |
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// STATE FACTORY |
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//-------------------------------------------------- |
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/** |
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Factory for the RoleSwitcher states |
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The states are flyweight classes |
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**/ |
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NONSHARABLE_CLASS(CRoleSwitcherStateFactory) : public CBase |
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{ |
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public: |
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static CRoleSwitcherStateFactory* NewL(); |
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enum TRoleSwitcherStates |
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{ |
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EIdle, |
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EDisablingLPM, |
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EDisablingEncryption, |
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EChangingRole, |
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EChangingRoleWithEPR, |
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EEnablingEncryption, |
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// Note that we don't need a state to enable LPM again |
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// as this will happen implicitly when we close our |
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// proxy SAP. |
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// *** keep next one last *** |
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ERoleSwitcherMaxState, |
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}; |
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TRoleSwitcherState& GetState(TRoleSwitcherStates aState); |
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TInt StateIndex(const TRoleSwitcherState* aState) const; |
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private: |
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CRoleSwitcherStateFactory(); |
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void ConstructL(); |
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TFixedArray<TRoleSwitcherState*, ERoleSwitcherMaxState> iStates; |
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}; |
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//-------------------------------------------------- |
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// STATES, base |
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//-------------------------------------------------- |
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NONSHARABLE_CLASS(TRoleSwitcherState) |
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{ |
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public: |
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TRoleSwitcherState(CRoleSwitcherStateFactory& aFactory); |
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virtual void Enter(CRoleSwitcher& aContext) const; |
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virtual void Exit(CRoleSwitcher& aContext) const; |
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virtual void Start(CRoleSwitcher& aContext) const; |
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virtual void EventReceived(CRoleSwitcher& aContext, TBTBasebandEventNotification& aEvent) const; |
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virtual void Error(CRoleSwitcher& aContext, TInt aErr) const; |
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virtual void TimerExpired(CRoleSwitcher& aContext) const; |
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protected: |
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// Exits old state, sets the new state, and enters it. |
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void ChangeState(CRoleSwitcher& aContext, CRoleSwitcherStateFactory::TRoleSwitcherStates aState) const; |
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void PanicInState(TLinkPanic aPanic) const; |
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protected: |
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CRoleSwitcherStateFactory& iFactory; |
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#ifdef __FLOG_ACTIVE |
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TBuf<48> iName; |
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#endif |
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}; |
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//-------------------------------------------------- |
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// STATES |
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//-------------------------------------------------- |
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NONSHARABLE_CLASS(TRSStateIdle) : public TRoleSwitcherState |
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{ |
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public: |
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TRSStateIdle(CRoleSwitcherStateFactory& aFactory); |
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virtual void Enter(CRoleSwitcher& aContext) const; |
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virtual void Start(CRoleSwitcher& aContext) const; |
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}; |
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NONSHARABLE_CLASS(TRSStateDisablingLPM) : public TRoleSwitcherState |
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{ |
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public: |
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TRSStateDisablingLPM(CRoleSwitcherStateFactory& aFactory); |
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virtual void Enter(CRoleSwitcher& aContext) const; |
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virtual void EventReceived(CRoleSwitcher& aContext, TBTBasebandEventNotification& aEvent) const; |
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}; |
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NONSHARABLE_CLASS(TRSStateDisablingEncryption) : public TRoleSwitcherState |
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{ |
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public: |
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TRSStateDisablingEncryption(CRoleSwitcherStateFactory& aFactory); |
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virtual void Enter(CRoleSwitcher& aContext) const; |
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virtual void EventReceived(CRoleSwitcher& aContext, TBTBasebandEventNotification& aEvent) const; |
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virtual void TimerExpired(CRoleSwitcher& aContext) const; |
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}; |
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NONSHARABLE_CLASS(TRSStateChangingRole) : public TRoleSwitcherState |
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{ |
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public: |
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TRSStateChangingRole(CRoleSwitcherStateFactory& aFactory); |
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virtual void Enter(CRoleSwitcher& aContext) const; |
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virtual void EventReceived(CRoleSwitcher& aContext, TBTBasebandEventNotification& aEvent) const; |
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virtual void TimerExpired(CRoleSwitcher& aContext) const; |
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}; |
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NONSHARABLE_CLASS(TRSStateChangingRoleWithEPR) : public TRoleSwitcherState |
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{ |
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public: |
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TRSStateChangingRoleWithEPR(CRoleSwitcherStateFactory& aFactory); |
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virtual void Enter(CRoleSwitcher& aContext) const; |
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virtual void EventReceived(CRoleSwitcher& aContext, TBTBasebandEventNotification& aEvent) const; |
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virtual void TimerExpired(CRoleSwitcher& aContext) const; |
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}; |
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NONSHARABLE_CLASS(TRSStateEnablingEncryption) : public TRoleSwitcherState |
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{ |
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public: |
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TRSStateEnablingEncryption(CRoleSwitcherStateFactory& aFactory); |
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virtual void Enter(CRoleSwitcher& aContext) const; |
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virtual void Exit(CRoleSwitcher& aContext) const; |
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virtual void EventReceived(CRoleSwitcher& aContext, TBTBasebandEventNotification& aEvent) const; |
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virtual void TimerExpired(CRoleSwitcher& aContext) const; |
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}; |
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#ifdef __FLOG_ACTIVE |
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#define STATENAME(x) iName=_L(x) |
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#else |
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#define STATENAME(x) |
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#endif |
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inline TBTBasebandRole CRoleSwitcher::RequestedRole() const |
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{ |
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return iRole; |
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} |
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inline TBool CRoleSwitcher::IsEncryptionDisabledForRoleSwitch() const |
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{ |
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return iIsEncryptionDisabledForRoleSwitch; |
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} |
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#endif /* ROLESWITCHHELPER_H */ |