/*
* Copyright (c) 2006-2007 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: Abstract socket receiver
*
*/
#ifndef C_CNCMRECEIVER_H
#define C_CNCMRECEIVER_H
#include <e32base.h>
#include <in_sock.h>
#include "ncmconnectionmultiplexer.hrh"
const TUint KMaxReceivingBufferSize = 8192;// 65536 bits = 8192 bytes
class MNcmReceiverSenderObserver;
/**
* Abstract socket receiver
*
* @lib connectionmux.lib
* @since S60 v3.2
*/
NONSHARABLE_CLASS( CNcmReceiver ) : public CActive
{
public:
/**
* Destructor
*/
virtual ~CNcmReceiver();
/**
* The real receive action which MUST read data from iSocket to iBuffer.
* Result is showed by iStatus. A new DoReceive() call will be done.
*
* @since S60 v3.2
*/
virtual void DoReceive() = 0;
/**
* Gets received message.
*
* @since S60 v3.2
* @return Received message.
*/
TDesC8& Message();
/**
* Gets message's from address.
*
* @since S60 v3.2
* @return Message's from address
*/
const TInetAddr& FromAddress() const;
/**
* Activate receiving.
*
* @since S60 v3.2
* @return void
*/
void Activate();
/**
* Deactivate receiving.
*
* @since S60 v3.2
* @return void
*/
void Deactivate();
protected:
CNcmReceiver( RSocket& aSocket, MNcmReceiverSenderObserver& aObserver );
// from base class CActive
void RunL();
void DoCancel();
protected: // data
/**
* Buffer for a message to be received.
*/
TBuf8<KMaxReceivingBufferSize> iBuffer;
/**
* Socket where to send (MUST be connected!)
*/
RSocket& iSocket;
/**
* Destination observer ..
*/
MNcmReceiverSenderObserver& iObserver;
/**
* Remote source address.
*/
TInetAddr iFromAddr;
/**
* Data length
*/
TSockXfrLength iSockDataLength;
/**
* Notify type
*/
TMultiplexerConnectionNotifyType iNotify;
};
#endif // C_CNCMRECEIVER_H