nulldriver.cpp

PPP协议的实现演示

#include "globals.h"

/***************************************************************************
                          CNullDriver.cpp  -  description
                             -------------------
    begin                : Sun Apr 29 2001
    copyright            : (C) 2001 by Birdy57 (Stephane)
    email                : [e-mail]
 ***************************************************************************/ 
    
/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/ 
#include <stdlib.h>
    
#include "nulldriver.h"
    
CNullDriver::CNullDriver() 
{
    
m_bConnected = false;
    
m_nErrorNbr = 0;
    
m_sName = NULL;

}



CNullDriver::~CNullDriver() 
{


}


//  Connection
    bool CNullDriver::Connect() 
{
    
return false;

}


// Deconnection
    bool CNullDriver::Disconnect() 
{
    
m_bConnected = false;
    
return true;

}


// Lecture de nSize octet(s)
int CNullDriver::Read(char *pData, int nSize) 
{
    
return 0;			// make gcc happy
}


// Ecriture de nSize octet(s),
// la fonction retourne le nombre d'octet reelement ecrit ou ERROR
int CNullDriver::Write(char *pData, int nSize) 
{
    
return 0;

}


// Lecture du nr de l'erreur
int CNullDriver::GetErrorNbr() 
{
    
return m_nErrorNbr;

}


// on est connect