email/imap4mtm/imaptransporthandler/inc/csocketcontroller.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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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 "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 __CSOCKETCONTROLLER_H__
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#define __CSOCKETCONTROLLER_H__
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#include <e32base.h>
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#include "msocketcontroller.h"
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// Forward declarations
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class CSocket;
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class MInputStream;
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class MOutputStream;
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class CSocketReader;
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class CSocketWriter;
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class MSocketControllerStore;
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class MConnectionPrefsProvider;
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/**
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The CSocketController class owns a connected socket. It provides input and
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output stream objects that use that socket via the CSocketReader and 
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CSocketWriter attributes.
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A CSocketController object will self-delete once the socket it owns has been 
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closed. The socket can be closed either by the remote client, the input stream
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observer or the output stream observer.
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@internalTechnology
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@prototype
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*/
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class CSocketController: public CBase, public MSocketController
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	{
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public:
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	static CSocketController* NewL(CSocket* aSocket, MConnectionPrefsProvider& aConnectionPrefsProvider);
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	virtual ~CSocketController();
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	void NotifyInStore(MSocketControllerStore& aStore);
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	MInputStream& InputStream() const;
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	MOutputStream& OutputStream() const;
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private:
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	CSocketController(CSocket* aSocket, MConnectionPrefsProvider& aConnectionPrefsProvider);
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	void ConstructL();
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	// from MSocketController
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	virtual void StreamClosed(TInt aError, MSocketController::TStreamType aStreamType);
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	virtual void StreamSuspended(MSocketController::TStreamType aSuspendedStream);
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	virtual void StreamResumed(MSocketController::TStreamType aResumedStream);
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	virtual void ConnectionInfo(TDes8& aRemoteHost, TUint16& aRemotePort, TUint16& aLocalPort);
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private:
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	/** The socket controller store. This is not owned.*/
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	MSocketControllerStore*	iStore;
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	/**	The connected socket.*/
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	CSocket*				iSocket;
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	/**	The socket reader. */
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	CSocketReader*			iSocketReader;
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	/**	The socket writer. */
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	CSocketWriter*			iSocketWriter;
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	/** The connection preference */
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	MConnectionPrefsProvider& iConnectionPrefsProvider;
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	};
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#endif	// __CSOCKETCONTROLLER_H__