aspnetcore/src/Microsoft.AspNetCore.Hosting/Internal/HostingRequestStartingLog.cs

92 lines
3.2 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using Microsoft.AspNetCore.Http;
namespace Microsoft.AspNetCore.Hosting.Internal
{
internal class HostingRequestStartingLog : IReadOnlyList<KeyValuePair<string, object>>
{
internal static readonly Func<object, Exception, string> Callback = (state, exception) => ((HostingRequestStartingLog)state).ToString();
private readonly HttpRequest _request;
private string _cachedToString;
public int Count => 9;
public KeyValuePair<string, object> this[int index]
{
get
{
switch (index)
{
case 0:
return new KeyValuePair<string, object>("Protocol", _request.Protocol);
case 1:
return new KeyValuePair<string, object>("Method", _request.Method);
case 2:
return new KeyValuePair<string, object>("ContentType", _request.ContentType);
case 3:
return new KeyValuePair<string, object>("ContentLength", _request.ContentLength);
case 4:
return new KeyValuePair<string, object>("Scheme", _request.Scheme.ToString());
case 5:
return new KeyValuePair<string, object>("Host", _request.Host.ToString());
case 6:
return new KeyValuePair<string, object>("PathBase", _request.PathBase.ToString());
case 7:
return new KeyValuePair<string, object>("Path", _request.Path.ToString());
case 8:
return new KeyValuePair<string, object>("QueryString", _request.QueryString.ToString());
default:
throw new IndexOutOfRangeException(nameof(index));
}
}
}
public HostingRequestStartingLog(HttpContext httpContext)
{
_request = httpContext.Request;
}
public override string ToString()
{
if (_cachedToString == null)
{
_cachedToString = string.Format(
CultureInfo.InvariantCulture,
"Request starting {0} {1} {2}://{3}{4}{5}{6} {7} {8}",
_request.Protocol,
_request.Method,
_request.Scheme,
_request.Host,
_request.PathBase,
_request.Path,
_request.QueryString,
_request.ContentType,
_request.ContentLength);
}
return _cachedToString;
}
public IEnumerator<KeyValuePair<string, object>> GetEnumerator()
{
for (var i = 0; i < Count; i++)
{
yield return this[i];
}
}
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
}
}