取得网卡信息（转）

blog of vc_student — Sun, 12 Aug 2007 12:56:00 GMT

//使用ATL
#pragma once

#include "atlstr.h"
#include "iphlpapi.h"
#pragma comment(lib,"iphlpapi.lib")

class CDnpNetworkInterface
{
_MIB_IFTABLE* _pInfoBuffer;

protected:

bool GetNicInformation(void)
{
DWORD ret;
ULONG dwSize;

  dwSize = 0;
  ret = ::GetIfTable(NULL,&dwSize,TRUE);
  if(ret != NO_ERROR && ret != ERROR_INSUFFICIENT_BUFFER)
   return false;

if(_pInfoBuffer)
delete (BYTE*)_pInfoBuffer;

  _pInfoBuffer = (_MIB_IFTABLE*)new BYTE[dwSize];
  if(_pInfoBuffer == NULL)
   return false;

  ZeroMemory(_pInfoBuffer,dwSize);
  ret = ::GetIfTable(_pInfoBuffer,&dwSize,TRUE);
  if(ret != NO_ERROR)
  {
   delete (BYTE*)_pInfoBuffer;
   _pInfoBuffer = NULL;
   return false;
  }

return true;
}

bool IsValidInfo(void)
{
if(_pInfoBuffer)
return true;

return GetNicInformation();
}

public:

CDnpNetworkInterface()
{
_pInfoBuffer = NULL;
}

~CDnpNetworkInterface()
{
if(_pInfoBuffer)
delete (BYTE*)_pInfoBuffer;
}

DWORD GetNicCount(void)
{
if(IsValidInfo() == false)
return 0;

return _pInfoBuffer->dwNumEntries;
}

bool GetNicName(DWORD dwIndex,CAtlString* pstrName)
{
  if(pstrName == NULL)
   return false;
  *pstrName = _T("");
  if(dwIndex >= GetNicCount())
   return false;

*pstrName = (char*)_pInfoBuffer->table[dwIndex].bDescr;

return true;
}

bool GetNicMacAddress(DWORD dwIndex,CAtlString* pstrMacAddress,int nFormat=0)
{
  if(pstrMacAddress == NULL)
   return false;
  *pstrMacAddress = _T("");
  if(dwIndex >= GetNicCount())
   return false;

  switch(nFormat)
  {
  case 1:
   pstrMacAddress->Format(_T("%02X %02X %02X %02X %02X %02X")
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[0]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[1]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[2]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[3]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[4]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[5]);
   break;

  case 2:
   pstrMacAddress->Format(_T("%02X%02X%02X%02X%02X%02X")
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[0]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[1]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[2]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[3]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[4]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[5]);
   break;

  case 0:
  default:
   pstrMacAddress->Format(_T("%02X-%02X-%02X-%02X-%02X-%02X")
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[0]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[1]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[2]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[3]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[4]
     ,_pInfoBuffer->table[dwIndex].bPhysAddr[5]);
   break;
  }

return true;
}

DWORD GetNicConnectionSpeed(DWORD dwIndex)
{
if(dwIndex >= GetNicCount())
return 0;

return _pInfoBuffer->table[dwIndex].dwSpeed;
}

bool IsNicWorking(DWORD dwIndex)
{
if(dwIndex >= GetNicCount())
return false;

return (_pInfoBuffer->table[dwIndex].dwOperStatus == MIB_IF_OPER_STATUS_OPERATIONAL) ? true : false;
}

};

//使用方法
void Test(void)
{
bool  ret;
DWORD  i;
DWORD  dwSize;
DWORD  dwSpeed;
CAtlString strName;
CAtlString strMacAddress;
CAtlString strBuff;
CAtlString strMessage;
CDnpNetworkInterface cDevice;

dwSize = cDevice.GetNicCount();
for(i = 0; i < dwSize; i++)
{
  ret = cDevice.GetNicName(i,&strName);
  if(ret == false)
   continue;

  ret = cDevice.GetNicMacAddress(i,&strMacAddress);
  if(ret == false)
   continue;

dwSpeed = cDevice.GetNicConnectionSpeed(i);

  strBuff.Format(_T("描述：%s\nMAC地址：%s\n连接速度：%dKbps\n"),strName,strMacAddress,dwSpeed/1000);
  strMessage += strBuff;
  if(cDevice.IsNicWorking(i))
   strMessage += _T("工作：正常\n");
  else
   strMessage += _T("工作：停止中\n");

strMessage += _T("\n");
}

::MessageBox(NULL,strMessage,_T(""),MB_OK);
}

没事写的一个arp欺骗监测工具

blog of vc_student — Sun, 29 Apr 2007 09:19:00 GMT

http://blog.vckbase.com/Files/star/ArpMonitor.rar

谁有空帮测一下？别笑我呀，软件太不完善！

可以这样监视系统性能参数

blog of vc_student — Thu, 18 May 2006 08:20:00 GMT

系统设计

取得网卡信息（转）

没事写的一个arp欺骗监测工具

可以这样监视系统性能参数