Отслеживание количества отправленных и скачаных байт

#include <iostream>
#include <windows.h>
#include <iphlpapi.h>
 
#pragma comment(lib, "iphlpapi.lib")
 
#define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x))
#define FREE(x) HeapFree(GetProcessHeap(), 0, (x))
 
using namespace std;
//-------------------------------------------------------------------------------
char *GetTypeInterface(DWORD type)
{
 switch(type)
  {
  case IF_TYPE_OTHER:return "Other";
  case IF_TYPE_ETHERNET_CSMACD:return "Ethernet";
  case IF_TYPE_ISO88025_TOKENRING:return "Token Ring";
  case IF_TYPE_PPP:return "PPP";
  case IF_TYPE_SOFTWARE_LOOPBACK:return "Software Lookback";
  case IF_TYPE_ATM:return "ATM";
  case IF_TYPE_IEEE80211:return "IEEE 802.11 Wireless";
  case IF_TYPE_TUNNEL:return "Tunnel type encapsulation";
  case IF_TYPE_IEEE1394:return "IEEE 1394 Firewire";
  default:return "Unknow type";
  }
}
//-------------------------------------------------------------------------------
void SpeedToStr(DWORD value)
{
 unsigned KB=1024;
 unsigned MB=KB*1024;
 unsigned GB=MB*1024;
 
 if(value<KB) cout<<value<<" BpS";
 else  if(value<MB)
      {
      double r = value/KB;
      cout<<r<<" KBpS";
      }
      else  if(value<GB)
              {
              double r = value/MB;
              cout<<r<<" MBpS";
              }
}
//-------------------------------------------------------------------------------
void GetTraff(int count)
{
 int KB=1024;
 int MB=KB*1024;
 int GB=MB*1024;
 
 if(count<KB)cout<<count<<" B";
 else if(count<MB)
     {
     double r = count/KB;
     cout<<r<<" KB";
     }
     else  if(count<GB)
           {
           double r = count/MB;
           cout<<r<<" MB";
           }
}
//-------------------------------------------------------------------------------
int _tmain(int argc, _TCHAR* argv[])
{
system("chcp 1251");
 
   cout<<".:===Connection information by los8005===:."<<endl;
 
    DWORD dwSize = 0;    DWORD dwRetVal = 0;
 
    int i;
 
    MIB_IFTABLE *pIfTable;    MIB_IFROW *pIfRow;
 
    pIfTable = (MIB_IFTABLE *)MALLOC(sizeof(MIB_IFTABLE));
 
    dwSize = sizeof(MIB_IFTABLE);    if(GetIfTable(pIfTable,&dwSize, false) == ERROR_INSUFFICIENT_BUFFER){        FREE(pIfTable);        pIfTable = (MIB_IFTABLE *) MALLOC(dwSize);    }
 
    if((dwRetVal = GetIfTable(pIfTable,&dwSize,false))== NO_ERROR)
 
for(i = 0;i<(int)pIfTable->dwNumEntries;i++){
pIfRow = (MIB_IFROW *)&pIfTable->table[i];
cout<<"Interface type: "<<GetTypeInterface(pIfRow->dwType)<<endl<<"Speed: ";
SpeedToStr(pIfRow->dwSpeed);
cout<<", Output traffic: ";
GetTraff(pIfRow->dwOutOctets);
cout<<", Input traffic: ";
GetTraff(pIfRow->dwInOctets);
cout<<endl<<".:==================NEXT=================:."<<endl<<endl;        }
 
cout<<".:===Connection information by los8005===:."<<endl;
cout<<".:==PRESS ANY KEY TO CLOSE THIS WINDOWS==:."<<endl;
 
system("pause");
return 0;
}
//---------------------------------------------------------------------------