108 lines
3.1 KiB
C#
108 lines
3.1 KiB
C#
#if NET45
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Autofac.Core;
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using Microsoft.AspNet.Builder;
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using Microsoft.AspNet.Http;
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namespace MvcSample.Web
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{
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/// <summary>
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/// Summary description for MonitoringMiddlware
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/// </summary>
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public class MonitoringMiddlware
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{
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private RequestDelegate _next;
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private IServiceProvider _services;
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public MonitoringMiddlware(RequestDelegate next, IServiceProvider services)
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{
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_next = next;
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_services = services;
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}
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public async Task Invoke(HttpContext httpContext)
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{
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var url = httpContext.Request.Path.Value;
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if (url.Equals("/Monitoring/Clear", StringComparison.OrdinalIgnoreCase))
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{
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MonitoringModule.Clear();
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httpContext.Response.ContentType = "text/plain";
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var buffer = Encoding.ASCII.GetBytes("Cleared");
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httpContext.Response.Body.Write(buffer, 0, buffer.Length);
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}
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else if (url.Equals("/Monitoring/ActivatedTypes", StringComparison.OrdinalIgnoreCase))
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{
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var data = ActivatedTypes();
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httpContext.Response.ContentType = "text/plain charset=utf-8";
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var buffer = Encoding.UTF8.GetBytes(data);
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httpContext.Response.Body.Write(buffer, 0, buffer.Length);
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}
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else
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{
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await _next(httpContext);
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}
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}
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public string ActivatedTypes()
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{
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var values = MonitoringModule.InstanceCount.ToArray();
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var builder = new StringBuilder();
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Array.Sort(values, new InstancesComparer());
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foreach (var item in values)
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{
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builder.AppendLine(GetTypeName(item.Key.Item1) + " " + item.Value);
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}
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return builder.ToString();
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}
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private string GetTypeName(Type type)
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{
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var name = type.Name;
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var isArray = false;
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if (typeof(Array).IsAssignableFrom(type))
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{
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isArray = true;
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name = ChopLast2(name);
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}
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var genericArgs = type.GetGenericArguments().Select(t => t.Name).ToArray();
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if (genericArgs.Length > 0)
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{
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name = ChopLast2(name) + "<" + string.Join(",", genericArgs) + ">";
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}
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if (isArray)
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{
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name += "[]";
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}
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return name;
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}
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private static string ChopLast2(string name)
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{
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return name.Remove(name.Length - 2);
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}
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private class InstancesComparer : IComparer<KeyValuePair<Tuple<Type, IComponentLifetime>, int>>
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{
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public int Compare(KeyValuePair<Tuple<Type, IComponentLifetime>, int> x, KeyValuePair<Tuple<Type, IComponentLifetime>, int> y)
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{
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return y.Value.CompareTo(x.Value);
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}
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}
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}
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}
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#endif |