132 lines
2.5 KiB
C++
132 lines
2.5 KiB
C++
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/**********************************************************************/
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/** Microsoft Windows/NT **/
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/** Copyright(c) Microsoft Corp., 1995 **/
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/**********************************************************************/
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/*
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FILE HISTORY:
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*/
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#define OEMRESOURCE
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#include "stdafx.h"
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#include <stdlib.h>
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#include <memory.h>
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#include <ctype.h>
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#include <winsock.h>
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#include "comprop.h"
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#include "objplus.h"
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#include "ipaddres.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char BASED_CODE THIS_FILE[] = __FILE__;
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#endif
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#define new DEBUG_NEW
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// CAVEAT: The functions herein require the winsock lib.
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// Constructor
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CIpAddress::CIpAddress (const CString & str)
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{
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CHAR szString [ MAX_PATH ] = {0};
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if (IsValidIp(str))
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{
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#ifdef UNICODE
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::WideCharToMultiByte(CP_ACP, 0, str, -1, szString, sizeof(szString), NULL, NULL);
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#else
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strcpy (szString, str, str.GetLength());
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#endif
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ULONG ul = ::inet_addr( szString );
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m_fInitOk = (ul != INADDR_NONE);
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// Convert the string to network byte order, then to host byte order.
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if (m_fInitOk)
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{
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m_lIpAddress = (LONG)::ntohl(ul) ;
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}
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}
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else
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{
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m_fInitOk = FALSE;
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m_lIpAddress = 0;
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}
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}
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// Assignment operator
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const CIpAddress & CIpAddress::operator =(const LONG l)
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{
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m_lIpAddress = l;
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m_fInitOk = TRUE;
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return (*this);
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}
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// Assignment operator
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const CIpAddress & CIpAddress::operator =(const CString & str)
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{
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CHAR szString [ MAX_PATH ] = {0};
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if (IsValidIp(str))
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{
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#ifdef UNICODE
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::WideCharToMultiByte(CP_ACP, 0, str, -1, szString, sizeof(szString), NULL, NULL);
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#else
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strcpy (szString, str, str.GetLength());
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#endif
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ULONG ul = ::inet_addr( szString );
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m_fInitOk = (ul != INADDR_NONE);
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// Convert the string to network byte order, then to host byte order.
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if (m_fInitOk)
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{
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m_lIpAddress = (LONG)::ntohl(ul) ;
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}
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}
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else
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{
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m_fInitOk = FALSE;
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m_lIpAddress = 0;
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}
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return(*this);
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}
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BOOL
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CIpAddress::IsValidIp(const CString & str)
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{
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BOOL fValid = TRUE;
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for (int i = 0; i < str.GetLength(); i++)
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{
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if (str[i] != '.' &&
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!iswdigit(str[i]))
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{
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fValid = FALSE;
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break;
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}
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}
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return fValid;
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}
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// Conversion operator
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CIpAddress::operator const CString&() const
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{
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struct in_addr ipaddr ;
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static CString strAddr;
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// Convert the unsigned long to network byte order
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ipaddr.s_addr = ::htonl( (u_long) m_lIpAddress ) ;
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// Convert the IP address value to a string
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strAddr = inet_ntoa( ipaddr ) ;
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return(strAddr);
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}
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