/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Socket reader
*
*/
#ifndef CSOCKETREADER_H
#define CSOCKETREADER_H
// INCLUDES
#include <e32base.h>
#include <es_sock.h>
#include <in_sock.h>
// CONSTANTS
const TInt KReadBufferSize = 8*1024; //bytes
// FORWARD DECLARATIONS
class MSocketReaderObserver;
class RSocket;
class CDesC8Array;
// CLASS DECLARATION
/**
* Socket reader. ActiveObject that reads data from opened RSocket.
*/
NONSHARABLE_CLASS( CSocketReader ) : public CActive
{
public: // Constructors and destructor
/**
* Factory function.
* @param aSocket Opened RSocket session from where data is read.
* @param aUDPRemotePort Peer ends port.
* @return New CSocketReader instance.
*/
static CSocketReader* NewL( RSocket& aSocket,
TInt aUDPRemotePort = -1 );
/**
* Factory function.
* @param aSocket Opened RSocket session from where data is read.
* @param aUDPRemotePort Peer ends port.
* @return New CSocketReader instance.
*/
static CSocketReader* NewLC( RSocket& aSocket,
TInt aUDPRemotePort = -1 );
/**
* Destructor.
*/
~CSocketReader();
public: // New functions
/**
* Sets observer.
* @param aObserver Pointer to observer.
*/
void SetObserver( MSocketReaderObserver* aObserver );
/**
* Starts reading the socket.
*/
void Start();
private:
/**
* Starts reading the socket.
*/
void IssueRead();
protected: // Functions from base classes
/**
* From CActive. Pending request has been completed.
*/
void RunL();
/**
* From CActive. Pending request has been cancelled.
*/
void DoCancel();
/**
* From CActive. RunL has leaved.
*/
TInt RunError( TInt aError );
private:
/**
* Default constructor.
*/
CSocketReader( RSocket& aSocket, TInt aUDPRemotePort = -1 );
/**
* 2nd phase constructor.
*/
void ConstructL();
private: // Data
TSockXfrLength iReceivedDataLength;
TBuf8<KReadBufferSize> iReadBuffer;
MSocketReaderObserver* iObserver;
RSocket& iSocket;
const TInt iUDPRemotePort;
TInetAddr iUDPRemoteAddr;
};
#endif // CSOCKETREADER_H
// End of File