using HMI.Simple.Util;
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using log4net;
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using System;
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using System.Diagnostics;
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using System.Management;
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using System.Timers;
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using System.Xml.Linq;
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namespace WPFProject
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{
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public class RunTimeState
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{
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public float cpuRate { get; set; }
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public double remRate { get; set; }
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public float totalCpuRate { get; set; }
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public double totalRemRate { get; set; }
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}
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public class ResourceListener
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{
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public event EventHandler<RunTimeState> RefreshEvent;
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private Timer timer;
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private System.Threading.CancellationTokenSource _can;
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private static ResourceListener instance;
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public static ResourceListener Instance
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{
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get
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{
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if (instance == null)
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{
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instance = new ResourceListener();
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}
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return instance;
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}
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}
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private ILog log = LogManager.GetLogger("ResourceListener");
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// CPU占用
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private PerformanceCounter totalCpuCounter;
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private PerformanceCounter cpuCounter;
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private ResourceListener()
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{
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totalCpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total");
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cpuCounter = new PerformanceCounter("Process", "% Processor Time", Process.GetCurrentProcess().ProcessName, true);
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}
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public void Start()
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{
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_can = new System.Threading.CancellationTokenSource();
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Refresh();
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timer = new Timer();
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timer.AutoReset = false;
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timer.Interval = 30000;
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timer.Elapsed += Timer_Elapsed;
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timer.Enabled = true;
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}
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private void Refresh()
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{
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try
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{
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var _cpuCount = Environment.ProcessorCount;
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ObjectQuery wql = new ObjectQuery("SELECT * FROM Win32_OperatingSystem");
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ManagementObjectSearcher searcher = new ManagementObjectSearcher(wql);
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string prcName = Process.GetCurrentProcess().ProcessName;
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var counter_Exec = new PerformanceCounter("Process", "Working Set - Private", prcName);
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ulong dWsp_Exec = (ulong)(counter_Exec.RawValue / 1024);
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var totalCpuRate = totalCpuCounter.NextValue();
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var cpuRate = cpuCounter.NextValue() / _cpuCount;
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foreach (ManagementObject obj in searcher.Get())
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{
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ulong totalVisibleMemorySize = (ulong)obj["TotalVisibleMemorySize"];
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ulong freePhysicalMemory = (ulong)obj["FreePhysicalMemory"];
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ulong usedMemory = totalVisibleMemorySize - freePhysicalMemory;
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string info = $"\r\n总内存: {totalVisibleMemorySize / 1024} MB\r\n";
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info += $"已使用内存: {usedMemory / 1024} MB\r\n";
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double usagePercent = usedMemory * 100d / totalVisibleMemorySize;
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info += $"内存占用率: {usagePercent:F2}%\r\n";
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info += $"应用占用内存: {dWsp_Exec / 1024} MB\r\n";
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double appPercent = dWsp_Exec * 100d / totalVisibleMemorySize;
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info += $"应用内存占用率: {appPercent:F2}%";
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RefreshEvent?.Invoke(this, new RunTimeState
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{
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cpuRate = cpuRate,
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remRate = appPercent,
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totalCpuRate = totalCpuRate,
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totalRemRate = usagePercent
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});
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log.Info(info);
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if (usagePercent > 80)
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{
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// AlarmUtil.CreateAlarm("App", "内存占用过高，超80%", out _);
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}
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}
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}
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catch (Exception ex)
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{
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log.Error("Refresh Resource Error.", ex);
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}
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}
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private void Timer_Elapsed(object sender, ElapsedEventArgs e)
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{
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try
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{
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timer.Enabled = false;
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_can.Token.ThrowIfCancellationRequested();
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Refresh();
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timer.Enabled = true;
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}
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catch
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{
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}
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}
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public void Stop()
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{
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_can?.Cancel();
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_can?.Dispose();
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instance = null;
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}
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}
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}
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