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NancyFx框架检测任务管理器详解

时间：2022-01-03 02:47 编辑：来源：阅读：
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摘要：NancyFx框架检测任务管理器详解

本文为大家分享了NancyFx框架检测任务管理器的具体方法，供大家参考，具体内容如下先建一个空的项目和之前的NancyFx系列一样的步骤 [img]http://files.jb51.net/file_images/article/201710/201710261457054.png[/img] [img]http://files.jb51.net/file_images/article/201710/201710261457055.png[/img] 然后建三个文件夹Models，Module，Views [img]http://files.jb51.net/file_images/article/201710/201710261457056.png[/img] 然后分别安装一下组件 [b]jQuery[/b] [b]Microsoft.AspNet.SignalR[/b] [b]Microsoft.Owin[/b] [b]Nancy[/b] [b]Nancy.Owin[/b] 然后往Model类里面添加CPUHub类，Broadcaster类 CPUHub类 [img]http://files.jb51.net/file_images/article/201710/201710261457057.png[/img]

public class CPUHub:Hub
  {
    private readonly Broadcaster broadcaster;
    public CPUHub():this(Broadcaster.broadcaster)
    {

    }
    public CPUHub(Broadcaster broadcaster)
    {
      this.broadcaster = broadcaster;
    }
  }

Broadcaster类 [img]http://files.jb51.net/file_images/article/201710/2017102614570510.png[/img]

public class Broadcaster
  {
    private readonly static Lazy<Broadcaster> lazy = new Lazy<Broadcaster>(()=>new Broadcaster(GlobalHost.ConnectionManager.GetHubContext<CPUHub>().Clients));

    private readonly TimeSpan timeSpan = TimeSpan.FromMilliseconds(1000);
    private readonly Timer timer;
    public static Broadcaster broadcaster
    {
      get { return lazy.Value; }
    }
    private IHubConnectionContext hubConnectionContext
    {
      get;
      set;
    }
    private Broadcaster(IHubConnectionContext hubConnectionContexts)
    {
      hubConnectionContext = hubConnectionContexts;
      timer = new Timer(BroadcastCpuUsage,null,timeSpan,timeSpan);
    }
    private void BroadcastCpuUsage(object o)
    {
      string cpu = GetCurrentCpu();

    }
    private string GetCurrentCpu()
    {
      string currentCpu = "";
      HttpClient httpClient = new HttpClient();
      httpClient.BaseAddress = new Uri("http://localhost:3039");
      var response = httpClient.GetAsync("api/cpu").Result;
      if (response.IsSuccessStatusCode)
      {
        currentCpu = response.Content.ReadAsStringAsync().Result;
      }
      return currentCpu;
    }
  }

然后在往Module里面添加CPUModule类

public class CPUModule:NancyModule
  {
    PerformanceCounter performanceCounter;
    public CPUModule():base("api/cpu")
    {
      InitializePerformanceCounter();
      Get("/",Lexan=> 
      {
        int cpu = (int)Math.Ceiling(performanceCounter.NextValue());
        return Response.AsText(cpu.ToString());
      });
    }
    private void InitializePerformanceCounter()
    {
      performanceCounter = new PerformanceCounter();
      performanceCounter.CategoryName = "";
      performanceCounter.CounterName = "";
      performanceCounter.InstanceName = "";
      performanceCounter.NextValue();
      Thread.Sleep(1000);
    }
  }

[img]http://files.jb51.net/file_images/article/201710/2017102614570511.png[/img] 然后添加index.html页面在根目录下 [img]http://files.jb51.net/file_images/article/201710/2017102614570512.png[/img]

<!DOCTYPE html>
<html>
<head>
  <title>NancyTaskManager</title>
</head>
<body>
  <label id="lblVal"></label>
  <br />
  <canvas id="cvPercentage"></canvas>
  <br />
  <br />
  <canvas id="cvGraph" height="450" width="600"></canvas>
  <script src="Scripts/jquery-2.1.0.js"></script>
  <script src="Scripts/jquery.signalR-2.0.2.js"></script>
  <script src="Scripts/Chart.js"></script>
  <script src="/signalr/hubs"></script>
  <script src="Scripts/taskManager.js"></script>
</body>
</html>

继续往根目录里面添加Startup类

[assembly:OwinStartup(typeof( NancyFxTaskManager.Startup))]
namespace NancyFxTaskManager
{
  public class Startup
  {
    public void Configuration(IAppBuilder app)
    {
      app.MapSignalR().UseNancy();
      
    }
  }
}

[img]http://files.jb51.net/file_images/article/201710/2017102614570513.png[/img] 好了我们准备就绪，看看运行效果 [img]http://files.jb51.net/file_images/article/201710/2017102614570514.png[/img] 以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持编程素材网。

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