sl@0: /*
sl@0: * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:
sl@0: * Name        : readrequesthandler.h
sl@0: * Part of     : stdio server
sl@0: * To handle request for read
sl@0: * 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0:  
sl@0: 
sl@0: 
sl@0: #ifndef _READREQUEST_H_
sl@0: #define _READREQUEST_H_
sl@0: 
sl@0: #include<e32base.h>//CActive
sl@0: 
sl@0: //Enumarations for Polling
sl@0: //duplicate of fdesc.h
sl@0: enum TPollMode
sl@0:     {
sl@0:     EReadyForReading = 1,
sl@0:     EReadyForWriting = 2,
sl@0:     EAnyException = 4
sl@0:     };
sl@0: 
sl@0: class CStreamBase;
sl@0: 	
sl@0: //-----------------------------------------------------------------------
sl@0: //Class name: 	TReadRequest
sl@0: //Description: 	Request object created for every read request from a
sl@0: //				client. These are queued as a singly linked list.
sl@0: //-----------------------------------------------------------------------
sl@0: 
sl@0: class TReadRequest
sl@0: 	{
sl@0: public:
sl@0: 	inline TReadRequest(const RMessage2&);
sl@0: 	const RMessage2 iMessage2;
sl@0: 	
sl@0: 	TSglQueLink   iLink;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: 
sl@0: //-----------------------------------------------------------------------
sl@0: //Class name: 	CReadRequestHandler
sl@0: //Description: 	Request Handler class created for Read media. This 
sl@0: //				Class is an active object and will handle all read
sl@0: //				requests in the form of RReadRequest objects.
sl@0: //-----------------------------------------------------------------------
sl@0: 
sl@0: class CReadRequestHandler : public CActive
sl@0: 	{
sl@0: public:
sl@0: 	static CReadRequestHandler* NewL(CStreamBase* aConsoleRead);
sl@0: 	~CReadRequestHandler();
sl@0: 	void RunL();
sl@0: 	void ServiceL(const RMessage2& aMessage2);
sl@0: 	void NotifyActivityL(const RMessage2& aMessage2);
sl@0: 	void CancelNotify();
sl@0: 	void DoCancel();
sl@0: 	
sl@0: private:
sl@0: 	CReadRequestHandler();
sl@0: 	CReadRequestHandler(CStreamBase* aConsoleRead);
sl@0: 	void Complete(const RMessage2 &aMessage);
sl@0: 	TSglQue<TReadRequest> iQueue; 
sl@0: 	CStreamBase* iReadStream;
sl@0: 	TInt iNotifyHandle;
sl@0: 	TPtr8 iPtr;
sl@0: 	};
sl@0: 	
sl@0: #endif //_READREQUEST_H_
sl@0: 	 
sl@0: 
sl@0: