获取本机IP地址

来源：互联网发布：python面试常问问题编辑：程序博客网时间：2024/06/05 17:15

BOOL CScDlg::GetInternetCarMsg(CString &data, CString &err)
{
   PIP_ADAPTER_ADDRESSES pAdapter = NULL;
   ULONG uSize = 0;
   if (GetAdaptersAddresses(AF_INET, 0, NULL, pAdapter, &uSize) != ERROR_BUFFER_OVERFLOW)
   {
       err = _T("获取网卡信息缓冲区大小失败");
       return FALSE;
   }
   pAdapter = (PIP_ADAPTER_ADDRESSES)new BYTE[uSize];
   if (GetAdaptersAddresses(AF_INET, 0, NULL, pAdapter, &uSize) != NO_ERROR)
   {
       delete[] pAdapter;
       err = _T("获取网卡信息失败");
       return FALSE;
   }
   CArray<ULONG> addr;
   CArray<CString> ipList;
   CString s;
   for (; pAdapter; pAdapter = pAdapter->Next)
   {
       for (PIP_ADAPTER_UNICAST_ADDRESS pAddr = pAdapter->FirstUnicastAddress; pAddr; pAddr = pAddr->Next)
       {
           if (pAddr->Address.lpSockaddr->sa_family != AF_INET)
               continue;
           PSOCKADDR_IN pAddrIn = (PSOCKADDR_IN)pAddr->Address.lpSockaddr;
           s = inet_ntoa(pAddrIn->sin_addr);
           ipList.Add(s);
       }
   }
   for(int i = 0; i < ipList.GetCount(); i++)
   {
       data += ipList.GetAt(i);
       if(i != ipList.GetCount() - 1)
           data += _T("|");
   }
   return TRUE;

}

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