irda/irdastack/irtranp/comreadwrite.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 23:56:55 +0200
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// Copyright (c) 1997-2009 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 "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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//
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#ifndef COMREADWRITE_H
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#define COMREADWRITE_H
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#include <e32base.h>
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#include <c32comm.h>
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class RComm;
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class RCommServ;
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class IrTranpUtil;
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class MComReadWriteObserver
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	{
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public:
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	virtual void ReceiveComplete(TDesC8& aBuffer) = 0;
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	virtual void SendComplete() = 0;
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	virtual void SendError(TInt aError) = 0;
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	virtual void ReceiveError(TInt aError) = 0;
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	virtual void Error(TInt aError) = 0;
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	};
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NONSHARABLE_CLASS(CComReadWrite) : public CActive
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{
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public:
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	enum TState {EError, ESend, EReceive, EOpen, EClose, EStop};
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public:
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	CComReadWrite();
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	~CComReadWrite();
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	static CComReadWrite* NewL(MComReadWriteObserver& iObserver);
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	void ConstructL();
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	void Open();
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	void Close();
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	void Send(TDesC8& data);
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	void Receive();
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	void Signal(TInt aError);
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private:
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	void RunL();
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	void DoCancel();
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private:
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	CComReadWrite(TInt aPrority, MComReadWriteObserver& aObserver);
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	RComm iCommPort;
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	RCommServ iServer;
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	TState iState;
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	TBuf8<2048> iRxBuffer;
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	TBuf8<2048> iSCEPFrame;
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	TBuf8<2048> iTxBuffer;
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	MComReadWriteObserver& iObserver;
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};
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#endif //COMREADWRITE_H