네트워크 트래픽 사용량 측정하기

 

 

들어가기

MIB_IFTABLE *pTable=NULL;
DWORD dwAdapters=0;
DWORD dwTotalIn=0,dwTotalOut=0;
DWORD dwOldTotalIn=0,dwOldTotalOut=0;
double trafficIn = 0.0, trafficOut = 0.0;
bool  isTrafficFirst = true;
ULONG uRetCode = 0;

while(true) {
    dwAdapters = 0;
    dwTotalIn=0,dwTotalOut=0;

    uRetCode=GetIfTable(pTable,&dwAdapters,FALSE);
    if (uRetCode == 122) {
        pTable=new MIB_IFTABLE[dwAdapters];
        GetIfTable(pTable,&dwAdapters,FALSE);
        for (UINT i=0; i < pTable->dwNumEntries;i++) {
            MIB_IFROW Row=pTable->table[i];
            dwTotalIn+=Row.dwInOctets;
            dwTotalOut+=Row.dwOutOctets;
        }
        delete []pTable;
        pTable = NULL;
        if( isTrafficFirst ) {
            isTrafficFirst = false;
            dwOldTotalIn = dwTotalIn;
            dwOldTotalOut = dwTotalOut;
        } else {
            trafficIn = (dwTotalIn - dwOldTotalIn) / 2;
            trafficOut = (dwTotalOut - dwOldTotalOut) / 2;
            dwOldTotalIn = dwTotalIn;
            dwOldTotalOut = dwTotalOut;
        }
    }
    printf("Bytes Received %.2f kbyte/s, Sent %.2f kbyte/s\n",trafficIn/1024.0, trafficOut/1024.0);
    Sleep(2000);
}

 

 

트래픽 측정

 

1.