Detection task manager of NancyFx framework, nancyfx framework

Source: Internet
Author: User

Detection task manager of NancyFx framework, nancyfx framework

First, create an empty project with the same steps as the previous NancyFx series.

 

Create three folders: Models, Module, and Views.

Install the components separately.

  • JQuery
  • Microsoft. AspNet. SignalR
  • Microsoft. Owin
  • Nancy
  • Nancy. Owin

Then add the CPUHub class and Broadcaster class to the Model class.

CPUHub class

 

 1  public class CPUHub:Hub 2     { 3         private readonly Broadcaster broadcaster; 4         public CPUHub():this(Broadcaster.broadcaster) 5         { 6  7         } 8         public CPUHub(Broadcaster broadcaster) 9         {10             this.broadcaster = broadcaster;11         }12     }
View Code

 

Broadcaster class

 

 1  public class Broadcaster 2     { 3         private readonly static Lazy<Broadcaster> lazy = new Lazy<Broadcaster>(()=>new Broadcaster(GlobalHost.ConnectionManager.GetHubContext<CPUHub>().Clients)); 4  5         private readonly TimeSpan timeSpan = TimeSpan.FromMilliseconds(1000); 6         private readonly Timer timer; 7         public static Broadcaster broadcaster 8         { 9             get { return lazy.Value; }10         }11         private IHubConnectionContext hubConnectionContext12         {13             get;14             set;15         }16         private Broadcaster(IHubConnectionContext hubConnectionContexts)17         {18             hubConnectionContext = hubConnectionContexts;19             timer = new Timer(BroadcastCpuUsage,null,timeSpan,timeSpan);20         }21         private void BroadcastCpuUsage(object o)22         {23             string cpu = GetCurrentCpu();24 25         }26         private string GetCurrentCpu()27         {28             string currentCpu = "";29             HttpClient httpClient = new HttpClient();30             httpClient.BaseAddress = new Uri("http://localhost:3039");31             var response = httpClient.GetAsync("api/cpu").Result;32             if (response.IsSuccessStatusCode)33             {34                 currentCpu = response.Content.ReadAsStringAsync().Result;35             }36             return currentCpu;37         }38     }

 

Then add the CPUModule class to the Module.

 1  public class CPUModule:NancyModule 2     { 3         PerformanceCounter performanceCounter; 4         public CPUModule():base("api/cpu") 5         { 6             InitializePerformanceCounter(); 7             Get("/",Lexan=>  8             { 9                 int cpu = (int)Math.Ceiling(performanceCounter.NextValue());10                 return Response.AsText(cpu.ToString());11             });12         }13         private void InitializePerformanceCounter()14         {15             performanceCounter = new PerformanceCounter();16             performanceCounter.CategoryName = "";17             performanceCounter.CounterName = "";18             performanceCounter.InstanceName = "";19             performanceCounter.NextValue();20             Thread.Sleep(1000);21         }22     }

 

 

 

Then the index.html page is under the root directory.

 1 <!DOCTYPE html> 2 

Add the Startup class to the root directory.

 1 [assembly:OwinStartup(typeof( NancyFxTaskManager.Startup))] 2 namespace NancyFxTaskManager 3 { 4     public class Startup 5     { 6         public void Configuration(IAppBuilder app) 7         { 8             app.MapSignalR().UseNancy(); 9             10         }11     }12 }

 

 

Now, we are ready to see the running effect.

Thank you for watching dalao. If any, please kindly advise.

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