windows通过PDH获取网卡流量

 

 

 

char szCounterPath[500];
            snprintf(szCounterPath, sizeof(szCounterPath)-1,
                "\\Network Interface(%s)\\Bytes Received/sec", (const char*)inter->m_interface);
			WCHAR szCounterPathW[500];
			UTF8ToUnicode(szCounterPath, szCounterPathW, sizeof(szCounterPathW) / sizeof(WCHAR));
			status = PdhAddCounterW(query, szCounterPathW, NULL, &(inter->m_counterReceived));
            if (status != ERROR_SUCCESS)
            {
                inter->m_bBad = TRUE;
                continue;
            }