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// Copyright (c) 2006-2009 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 "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-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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// Purpose: Kernel-side tracking of debug agent information associated
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// with each process being debugged.
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//
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//
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#ifndef D_DEBUG_AGENT_H
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#define D_DEBUG_AGENT_H
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#include <rm_debug_api.h>
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#include "d_driver_event_info.h"
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class DDebugAgent : public DBase
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{
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public:
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static DDebugAgent* New(TUint64);
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~DDebugAgent();
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TInt SetEventAction(Debug::TEventType aEvent, Debug::TKernelEventAction aEventAction);
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void GetEvent(TClientDataRequest<Debug::TEventInfo>* aAsyncGetValueRequest, Debug::TEventInfo* aEventInfo, DThread* aClientThread);
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TInt EventAction(Debug::TEventType aEvent);
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TInt CancelGetEvent(void);
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void NotifyEvent(const TDriverEventInfo& aEventInfo);
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TUint64 Id();
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protected:
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DDebugAgent(TUint64 aId);
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TInt Construct();
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private:
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void QueueEvent(TDriverEventInfo& aEventInfo);
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TBool BufferEmpty() const;
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TBool BufferFull() const;
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TBool BufferCanStoreEvent() const;
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TBool BufferAtCriticalLevel() const;
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void IncrementPosition(TInt& aPosition);
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TInt NumberOfEmptySlots() const;
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private:
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TUint64 iId;
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Debug::TKernelEventAction iEventActions[Debug::EEventsLast];
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//iEventInfo is a pointer to an object owned by the security server, so
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//no clean up needs be performed on it
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Debug::TEventInfo* iEventInfo;
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RArray<TDriverEventInfo> iEventQueue; // ring buffer.
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TClientDataRequest<Debug::TEventInfo>* iRequestGetEventStatus;
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DThread* iClientThread;
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// Ring buffer data
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TInt iHead; // points to the next empty slot in iEventQueue (exc. when iFull == ETrue)
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TInt iTail; // points to the oldest full slot in iEventQueue (exc. when iEmpty == ETrue)
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//if we have told the agent that we are ignoring trace events
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TBool iIgnoringTrace;
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};
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#endif // D_DEBUG_AGENT_H
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