Add cpu and ram stats to sysinfo

ScreenPlaySysInfo/ScreenPlaySysInfo.pro

@@ -17,7 +17,8 @@ HEADERS += \
         screenplaysysinfo_plugin.h \
         sysinfo.h \
     cpu.h \
-    ram.h
+    ram.h \
+    mathhelper.h
 
 DISTFILES = qmldir
 

ScreenPlaySysInfo/cpu.cpp

@@ -1,13 +1,13 @@
 #include "cpu.h"
 #include <QtQml/qqml.h>
+#include "mathhelper.h"
 
 #define STATUS_SUCCESS					0
 #define STATUS_INFO_LENGTH_MISMATCH	0xC0000004
 
 CPU::CPU(QObject *parent) : QObject(parent)
 {
-
-    // signal obj, signal function pointer, slot obj, slot function pointer
+     // signal obj, signal function pointer, slot obj, slot function pointer
     connect(&m_updateTimer,&QTimer::timeout,this,&CPU::update);
     m_updateTimer.start(m_tickRate);
 }
@@ -15,22 +15,35 @@ CPU::CPU(QObject *parent) : QObject(parent)
 
 void CPU::update()
 {
-//    long status = 0;
-//    unsigned long bufSize = c_BufferSize;
-//    byte* buf = (bufSize > 0) ? new BYTE[bufSize] : nullptr;
+    BOOL status;
+    FILETIME ftIdleTime, ftKernelTime, ftUserTime;
 
+    // get new CPU's idle/kernel/user time
+    status = GetSystemTimes(&ftIdleTime, &ftKernelTime, &ftUserTime);
+    if (status == 0) return;
 
+    //convert times to uint by appending low and high bits
+    uint64_t newIdleTime = FileTimeToInt64(ftIdleTime);
+    uint64_t newKernelTime = FileTimeToInt64(ftKernelTime);
+    uint64_t newUserTime = FileTimeToInt64(ftUserTime);
 
-//    status = c_NtQuerySystemInformation(SystemProcessorPerformanceInformation, buf, bufSize, &size);
+    //subtract old times
+    uint64_t userTime = newUserTime - lastUserTime;
+    uint64_t kernelTime = newKernelTime - lastKernelTime;
+    double idleTime = newIdleTime - lastIdleTime;
 
-//    switch (status) {
-//    case STATUS_INFO_LENGTH_MISMATCH:
-//        qWarning() << "Warning: Status info length mismatch!";
-//        break;
-//    case STATUS_SUCCESS:
+    //calculate the usage
+    double sysTime = kernelTime + userTime;
+    float currentUsage = float((sysTime - idleTime) * 100 / sysTime);
 
-//        break;
-//    default:
-//        break;
-//    }
+    //save the new values
+    lastIdleTime = newIdleTime;
+    lastKernelTime = newKernelTime;
+    lastUserTime = newUserTime;
+
+    float cu = int(currentUsage * 100);
+    currentUsage = float(cu / 100);
+
+    //publish result
+    setUsage(currentUsage);
 }

ScreenPlaySysInfo/cpu.h

@@ -3,15 +3,13 @@
 #include <QObject>
 #include <QDebug>
 #include <QTimer>
+#include <QString>
 
 #ifdef Q_OS_WIN
 #include <qt_windows.h>
 #endif
 
 // https://github.com/rainmeter/rainmeter/blob/master/Library/MeasureCPU.cpp
-#ifdef Q_OS_WIN
-typedef LONG(WINAPI* FPNTQSI)(UINT, PVOID, ULONG, PULONG);
-#endif
 
 class CPU : public QObject {
     Q_OBJECT
@@ -19,6 +17,7 @@ class CPU : public QObject {
     Q_PROPERTY(float usage READ usage NOTIFY usageChanged)
     Q_PROPERTY(int tickRate READ tickRate WRITE setTickRate NOTIFY tickRateChanged)
 
+
 public:
     explicit CPU(QObject* parent = nullptr);
 
@@ -39,12 +38,12 @@ signals:
 
     void tickRateChanged(int tickRate);
 
+
 public slots:
     void update();
 
     void setUsage(float usage)
     {
-        qWarning("Floating point comparison needs context sanity check");
         if (qFuzzyCompare(m_usage, usage))
             return;
 
@@ -63,17 +62,15 @@ public slots:
         emit tickRateChanged(m_tickRate);
     }
 
+
+
 private:
-    float m_usage = 42.0f;
+    float m_usage = 0.0f;
 
-    int m_Processor;
+    uint64_t lastIdleTime = 0;
+    uint64_t lastKernelTime = 0;
+    uint64_t lastUserTime = 0;
 
-    double m_OldTime[2];
-
-    //static FPNTQSI c_NtQuerySystemInformation;
-
-    static int c_NumOfProcessors;
-    //static ULONG c_BufferSize;
-    int m_tickRate = 500;
+    int m_tickRate = 1000;
     QTimer m_updateTimer;
 };

ScreenPlaySysInfo/mathhelper.h

@@ -0,0 +1,10 @@
+#pragma once
+#include <qt_windows.h>
+#include <QObject>
+
+uint64_t FileTimeToInt64( const FILETIME& ft ) {
+    ULARGE_INTEGER uli = {  };
+    uli.LowPart = ft.dwLowDateTime;
+    uli.HighPart = ft.dwHighDateTime;
+    return uli.QuadPart;
+}

ScreenPlaySysInfo/ram.cpp

@@ -1,8 +1,34 @@
 #include "ram.h"
 #include <QtQml/qqml.h>
 #include <qmetatype.h>
+#include "sysinfoapi.h"
+
 RAM::RAM(QObject* parent)
     : QObject(parent)
 {
-
+    connect(&m_updateTimer,&QTimer::timeout,this,&RAM::update);
+    m_updateTimer.start(m_tickRate);
+}
+
+void RAM::update()
+{
+    //Get values from system
+    MEMORYSTATUSEX memoryStatus;
+    memoryStatus.dwLength = sizeof(MEMORYSTATUSEX); //needed for internal api
+    bool success = GlobalMemoryStatusEx(&memoryStatus);
+    if(!success)
+        return;
+
+    //Apply total values
+    setTotalPhysicalMemory(memoryStatus.ullTotalPhys);
+    setTotalPagingMemory(memoryStatus.ullTotalPageFile);
+    setTotalVirtualMemory(memoryStatus.ullTotalVirtual);
+
+    //calculate usages
+    setUsedPhysicalMemory(m_totalPhysicalMemory - memoryStatus.ullAvailPhys);
+    setUsedPagingMemory(m_totalPagingMemory - memoryStatus.ullAvailPageFile);
+    setUsedVirtualMemory(m_totalVirtualMemory - memoryStatus.ullAvailVirtual);
+
+    //set overall usage
+    setUsage(memoryStatus.dwMemoryLoad);
 }

ScreenPlaySysInfo/ram.h

@@ -2,30 +2,94 @@
 
 #include <QObject>
 #include <QDebug>
+#include <QTimer>
+#ifdef Q_OS_WIN
+#include <qt_windows.h>
+#endif
+#include <sysinfoapi.h>
+
 
 class RAM : public QObject {
     Q_OBJECT
+
     Q_PROPERTY(float usage READ usage NOTIFY usageChanged)
 
+    Q_PROPERTY(unsigned long long usedPhysicalMemory READ usedPhysicalMemory NOTIFY usedPhysicalMemoryChanged)
+    Q_PROPERTY(unsigned long long totalPhysicalMemory READ totalPhysicalMemory NOTIFY totalPhysicalMemoryChanged)
+
+    Q_PROPERTY(unsigned long long usedVirtualMemory READ usedVirtualMemory NOTIFY usedVirtualMemoryChanged)
+    Q_PROPERTY(unsigned long long totalVirtualMemory READ totalVirtualMemory NOTIFY totalVirtualMemoryChanged)
+
+    Q_PROPERTY(unsigned long long usedPagingMemory READ usedPagingMemory NOTIFY usedPagingMemoryChanged)
+    Q_PROPERTY(unsigned long long totalPagingMemory READ totalPagingMemory NOTIFY totalPagingMemoryChanged)
+
 public:
     explicit RAM(QObject* parent = nullptr);
 
+    //total memory usage in percent
     float usage() const
     {
         return m_usage;
     }
 
+    //used physical memory in byte
+    DWORDLONG usedPhysicalMemory() const
+    {
+        return m_usedPhysicalMemory;
+    }
+
+    //total physical memory in byte
+    DWORDLONG totalPhysicalMemory() const
+    {
+        return m_totalPhysicalMemory;
+    }
+
+    //total virtual memory in byte
+    DWORDLONG totalVirtualMemory() const
+    {
+        return m_totalVirtualMemory;
+    }
+
+    //used virtual memory in byte
+    DWORDLONG usedVirtualMemory() const
+    {
+        return m_usedVirtualMemory;
+    }
+
+    //used paging memory in byte
+    DWORDLONG usedPagingMemory() const
+    {
+        return m_usedPagingMemory;
+    }
+
+    //total paging memory in byte
+    DWORDLONG totalPagingMemory() const
+    {
+        return m_totalPagingMemory;
+    }
+
 signals:
 
     void usageChanged(float usage);
 
-public slots:
-    void exe(){
-        qDebug() << "aa";
-    }
+    void usedPhysicalMemoryChanged(DWORDLONG usedPhysicalMemory);
+
+    void usedVirtualMemoryChanged(DWORDLONG usedVirtualMemory);
+
+    void usedPagingMemoryChanged(DWORDLONG usedPagingMemory);
+
+
+    void totalPhysicalMemoryChanged(DWORDLONG totalPhysicalMemory);
+
+    void totalVirtualMemoryChanged(DWORDLONG totalVirtualMemory);
+
+    void totalPagingMemoryChanged(DWORDLONG totalPagingMemory);
+
+private slots:
+    void update();
+
     void setUsage(float usage)
     {
-        qWarning("Floating point comparison needs context sanity check");
         if (qFuzzyCompare(m_usage, usage))
             return;
 
@@ -33,7 +97,71 @@ public slots:
         emit usageChanged(m_usage);
     }
 
+    void setUsedPhysicalMemory(DWORDLONG usedPhysicalMemory)
+    {
+        if(usedPhysicalMemory == m_usedPhysicalMemory)
+            return;
+
+        m_usedPhysicalMemory = usedPhysicalMemory;
+        emit usedPhysicalMemoryChanged(m_usedPhysicalMemory);
+    }
+
+    void setTotalPhysicalMemory(DWORDLONG totalPhysicalMemory)
+    {
+        if(totalPhysicalMemory == m_totalPhysicalMemory)
+            return;
+
+        m_totalPhysicalMemory = totalPhysicalMemory;
+        emit totalPhysicalMemoryChanged(m_totalPhysicalMemory);
+    }
+
+    void setUsedVirtualMemory(DWORDLONG usedVirtualMemory)
+    {
+        if(usedVirtualMemory == m_usedVirtualMemory)
+            return;
+
+        m_usedVirtualMemory = usedVirtualMemory;
+        emit usedVirtualMemoryChanged(m_usedVirtualMemory);
+    }
+
+    void setTotalVirtualMemory(DWORDLONG totalVirtualMemory)
+    {
+        if(totalVirtualMemory == m_totalVirtualMemory)
+            return;
+
+        m_totalVirtualMemory = totalVirtualMemory;
+        emit totalVirtualMemoryChanged(m_totalVirtualMemory);
+    }
+
+    void setUsedPagingMemory(DWORDLONG usedPagingMemory)
+    {
+        if(usedPagingMemory == m_usedPagingMemory)
+            return;
+
+        m_usedPagingMemory = usedPagingMemory;
+        emit usedPagingMemoryChanged(m_usedPagingMemory);
+    }
+
+    void setTotalPagingMemory(DWORDLONG totalPagingMemory)
+    {
+        if(totalPagingMemory == m_totalPagingMemory)
+            return;
+
+        m_totalPagingMemory = totalPagingMemory;
+        emit totalPagingMemoryChanged(m_totalPagingMemory);
+    }
+
 private:
-    float m_usage = 42.0f;
+    float m_usage = -1.f;
+    DWORDLONG m_usedPhysicalMemory = 0ul;
+    DWORDLONG m_totalVirtualMemory = 0ul;
+    DWORDLONG m_totalPhysicalMemory = 0ul;
+    DWORDLONG m_usedVirtualMemory = 0ul;
+    DWORDLONG m_usedPagingMemory = 0ul;
+    DWORDLONG m_totalPagingMemory = 0ul;
+
+    QTimer m_updateTimer;
+    int m_tickRate = 1000;
+
 };