?? socketsreader.h
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/* Copyright (c) 2004, Nokia. All rights reserved */
#ifndef __SOCKETSREADER_H__
#define __SOCKETSREADER_H__
// INCLUDES
#include <in_sock.h>
// FORWARD DECLARATIONS
class MEngineNotifier;
// CLASS DECLARATION
/**
* CSocketsReader
* This class handles reading data from the socket.
* In this implementation, any data read is simply displayed
* as text on the console.
*/
class CSocketsReader : public CActive
{
public: // Constructors and destructors
/**
* NewL.
* Two-phased constructor.
* Creates a CSocketsReader object using two phase construction,
* and returns a pointer to the created object.
* @param aEngineNotifier An observer for status reporting.
* @param aSocket Socket to read from.
* @return A pointer to the created instance of CSocketsReader.
*/
static CSocketsReader* NewL( MEngineNotifier& aEngineNotifier,
RSocket& aSocket );
/**
* NewLC.
* Two-phased constructor.
* Creates a CSocketsReader object using two phase construction,
* and returns a pointer to the created object.
* @param aEngineNotifier An observer for status reporting.
* @param aSocket Socket to read from.
* @return A pointer to the created instance of CSocketsReader.
*/
static CSocketsReader* NewLC( MEngineNotifier& aEngineNotifier,
RSocket& aSocket );
/**
* ~CSocketsReader.
* Destructor.
* Destroys the object and release all memory objects.
*/
virtual ~CSocketsReader();
public: // New functions
/**
* Start.
* Initiates a read from socket.
*/
void Start();
protected: // Functions from base classes
/**
* From CActive, DoCancel.
* Cancels any outstanding operation.
*/
void DoCancel();
/**
* From CActive, RunL.
* Called when operation completes.
*/
void RunL();
private: // Constructors and destructors
/**
* CSocketsReader.
* C++ default constructor.
* Performs the first phase of two phase construction.
* @param aEngineNotifier An observer for status reporting.
* @param aSocket Socket to read from.
*/
CSocketsReader( MEngineNotifier& aEngineNotifier, RSocket& aSocket );
/**
* ConstructL.
* 2nd phase constructor.
*/
void ConstructL();
private: // New functions
/**
* IssueRead.
* Initiates a read from socket.
*/
void IssueRead();
private: // Constants
/**
* KReadBufferSize, the size of the read buffer in bytes.
*/
enum { KReadBufferSize = 20 };
private: // Data
/**
* iSocket, Socket to read data from.
*/
RSocket& iSocket;
/**
* iEngineNotifier, An observer for status reporting.
*/
MEngineNotifier& iEngineNotifier;
/**
* iBuffer, Buffer for receiving data.
*/
TBuf8<KReadBufferSize> iBuffer;
/**
* iDummyLength, dummy - length of data read is written here.
*/
TSockXfrLength iDummyLength;
};
#endif // __SOCKETSREADER_H__
// End of File
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