iapconnectdemosocketsreader.h

来自「symbian关于Internet访问的代码」· C头文件 代码 · 共 103 行

/*
* ============================================================================
*  Name     : CIAPConnectDemoSocketsReader from IAPConnectDemoSocketsReader.h
*  Part of  : Internet Access Points Example v2.0
*  Created  : 01.09.2006 by Forum Nokia
*  Version  : 2.0
*  Copyright: Forum Nokia
* ============================================================================
*/

#ifndef DEMOSOCKETSREADER_H
#define DEMOSOCKETSREADER_H

// INCLUDE FILES
#include <in_sock.h>

// FORWARD DECLARATIONS
class MIAPConnectDemoSocketsObserver;

const TInt KMaxBufferLength = 10;

// CLASS DECLARATION

/**
*  This class handles reading data from the socket.
*  In this implementation, any data read is simply displayed
*  as text on the console.
*/
class CIAPConnectDemoSocketsReader : public CActive
    {
public: // Constructors and destructors

	/**
	* NewL.
	* Two-phased constructor.
	*/
	static CIAPConnectDemoSocketsReader* NewL( MIAPConnectDemoSocketsObserver& aSocketsObserver,
	                             RSocket& aSocket );

	/**
	* NewLC.
	* Two-phased constructor.
	*/
	static CIAPConnectDemoSocketsReader* NewLC( MIAPConnectDemoSocketsObserver& aSocketsObserver,
	                              RSocket& aSocket );


	/**
	* Destructor.
	*/
	virtual ~CIAPConnectDemoSocketsReader();

public: // New functions

	/**
	* Start.
	* Initiates a read from socket.
	*/
	void StartL();

private: // Functions from base classes

	/**
	* From CActive
	*/
	void DoCancel();

	/**
	* From CActive
	*/
	void RunL();

private: 
        
	/**
	* Symbian OS default constructor
	*/
	CIAPConnectDemoSocketsReader( MIAPConnectDemoSocketsObserver& aSocketsObserver, 
        RSocket& aSocket );
	void ConstructL();

private: // New functions

	/**
	* Initiates a read from socket.
	*/
	void IssueRead();

private: // Data members

	RSocket& iSocket;

	MIAPConnectDemoSocketsObserver& iSocketsObserver;

	TBuf8<KMaxBufferLength> iBuffer;

	TSockXfrLength iDummyLength;
    };

#endif // DEMOSOCKETSREADER_H

// End of File