network

怼烎@ 2022-05-07 19:12 196阅读 0赞

#include <QCoreApplication>
    #define UNICODE
    #include <windows.h>
    #include <tchar.h>
    #include <Pdh.h>
    #include <pdhmsg.h>
    #include <QDebug>
    
    
    #pragma comment(lib,"pdh.lib")
    
    
    int getcpuload()
    {
        static PDH_STATUS            status;
        static PDH_FMT_COUNTERVALUE  value;
    
        static PDH_FMT_COUNTERVALUE  value2;
    
        static HQUERY                query;
        static HCOUNTER              counter;
    
        static HCOUNTER              counter2;
    
        static DWORD                 ret;
        static char                  runonce=1;
        int                         cput=0;
        int                         bandwidth=0;//带宽
    //    int                         bandwidth_utilition=0;//带宽利用率
    
        if(runonce)
        {
            status = PdhOpenQuery(NULL, 0, &query);
            if(status != ERROR_SUCCESS)
            {
                printf("PdhOpenQuery() ***Error: 0x%X\n",status);
                return 0;
            }
            counter = (HCOUNTER *)GlobalAlloc(GPTR, sizeof(HCOUNTER));
    
            //        PdhAddCounter(query, LPCWSTR(QString("\\Processor Information(_Total)\\% Processor Time").utf16()), 0,&counter); // A total of ALL CPU's in the system（1）
    
            //PdhAddCounter(query, TEXT("\\Processor Information(_Total)\\% Processor Time"), 0,&counter);
            //PdhAddCounter(query, TEXT("\\Processor Information(_Total)\\% C1 Time"), 0,&counter);
    
    
            //PdhAddCounter(query, TEXT("\\Processor Information(_Total)\\Average Idle Time"), 0,&counter);
    
    
            PdhAddCounter(query, TEXT("\\Network Interface(Realtek PCIe GBE Family Controller)\\Bytes Total/sec"), 0,&counter);
    
            PdhAddCounter(query, TEXT("\\Network Interface(Realtek PCIe GBE Family Controller)\\Current Bandwidth"), 0,&counter2);
    
    
    
            //PdhAddCounter(query, TEXT("\\Processor(0)\\% Processor Time"),0,&counter);    // For systems with more than one CPU (Cpu0)
            //PdhAddCounter(query, TEXT("\\Processor(1)\\% Processor Time"),0,&counter);    // For systems with more than one CPU (Cpu1)
            runonce=0;
            PdhCollectQueryData(query); // No error checking here
            return 0;
        }
        printf("Error\n");
        status = PdhCollectQueryData(query);
        if(status != ERROR_SUCCESS)
        {
            printf("PhdCollectQueryData() ***Error: 0x%X\n",status);
            if(status==PDH_INVALID_HANDLE)
                printf("PDH_INVALID_HANDLE\n");
            else if(status==PDH_NO_DATA)
                printf("PDH_NO_DATA\n");
            else
                printf("Unknown error\n");
            return 0;
        }
        status = PdhGetFormattedCounterValue(counter, PDH_FMT_DOUBLE | PDH_FMT_NOCAP100 ,&ret, &value);
    
        status = PdhGetFormattedCounterValue(counter2, PDH_FMT_DOUBLE | PDH_FMT_NOCAP100 ,&ret, &value2);
    
    
        if(status != ERROR_SUCCESS)
        {
            printf("PdhGetFormattedCounterValue() ***Error: 0x%X\n",status);
            return 0;
        }
        cput = value.doubleValue;
    
        bandwidth=value2.doubleValue;
    
        //printf("\n\n" "CPU Total usage: %3d%%\n",cput);
    
    
        qDebug()<<"\n CPU Total usage: "<<cput<<endl;
    
        qDebug()<<"\n CPU2 Total usage: "<<bandwidth<<endl;
        Sleep(3000);
        int bandwidth_utilition=(cput*8)/bandwidth;
    
        qDebug()<<"\n Bandwidth utilization : "<<(cput*8.0/bandwidth)<<endl;
    
        return cput;
    }
    int main(int argc, char *argv[])
    {
        QCoreApplication a(argc,argv);
    
        //Entry point
        while(1)
        {
    
            getcpuload();
            Sleep(1000);
        }
    
        return a.exec();
    }

QT += core
    QT -= gui
    
    CONFIG += c++11
    
    LIBS += -lPdh
    
    TARGET = performance
    CONFIG += console
    CONFIG -= app_bundle
    
    TEMPLATE = app
    
    SOURCES += main.cpp
    
    # The following define makes your compiler emit warnings if you use
    # any feature of Qt which as been marked deprecated (the exact warnings
    # depend on your compiler). Please consult the documentation of the
    # deprecated API in order to know how to port your code away from it.
    DEFINES += QT_DEPRECATED_WARNINGS
    
    # You can also make your code fail to compile if you use deprecated APIs.
    # In order to do so, uncomment the following line.
    # You can also select to disable deprecated APIs only up to a certain version of Qt.
    #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0