asp.net-web-api – 随着SerilogWeb.Owin停产,是否有“官方”集成?

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我遇到了 the SerilogWeb.Owin packagethe discontinuation notice,并且在阅读GitHub问题时,考虑到包的下载量约为5K,有人讨论了“将人们重定向到某个地方”.

但我无法弄清楚我被重定向到哪里!

那么我应该在哪里寻找使用Serilog和(OWIN)自托管Web API的“Serilog-blessed”集成?

解决方法

该软件包归结为以下内容,我从[repo]( https://github.com/serilog-web/owin/blob/master/src/SerilogWeb.Owin/Owin/LoggerFactory.cs
):

>添加RequestId以允许跟踪相关

using (Serilog.Context.LogContext.PushProperty("RequestId",Guid.NewGuid().ToString("N"))

>插入记录器重定向器:

app.SetLoggerFactory(new SerilogowinFactory());

>复制in impl(这适用于WebApi 5.2.4,Katana 4.0,Serilog 2.6)和incorporates learnings from another question关于有效转发事件而不将写入视为模板,并确保将Exception包含在消息的第一类元素中命令它可以格式化和/或demystyfied正确:

好消息是,当你到达ASP.NET Core时,会有一个完全维护的包,有一个更深层次的集成等着你,一个单行的钩子;)

// From https://github.com/serilog-web/owin/blob/master/src/SerilogWeb.Owin/Owin/LoggerFactory.cs

// Copyright 2015 SerilogWeb,Serilog Contributors
//
// Licensed under the Apache License,Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,software
// distributed under the License is distributed on an "AS IS" BASIS,// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

using System;
using System.Diagnostics;
using System.Linq;
using Microsoft.Owin.Logging;
using Serilog;
using Serilog.Core;
using Serilog.Events;
using ILogger = Serilog.ILogger;

namespace SerilogWeb.Owin
{
    /// <summary>
    /// Implementation of Microsoft.Owin.Logger.ILoggerFactory.
    /// </summary>
    public class SerilogowinFactory : ILoggerFactory
    {
        readonly Func<ILogger> _getLogger;
        readonly Func<TraceEventType,LogEventLevel> _getLogEventLevel;

        /// <summary>
        /// Create a logger factory.
        /// </summary>
        /// <param name="logger">The logger; if not provided the global <see cref="Serilog.Log.Logger"/> will be used.</param>
        /// <param name="getLogEventLevel"></param>
        public SerilogowinFactory(ILogger logger = null,Func<TraceEventType,LogEventLevel> getLogEventLevel = null)
        {
            _getLogger = logger == null ? (Func<ILogger>)(() => Log.Logger) : (() => logger);
            _getLogEventLevel = getLogEventLevel ?? ToLogEventLevel;
        }

        /// <summary>
        /// Creates a new ILogger instance of the given name.
        /// </summary>
        /// <param name="name">The logger context name.</param>
        /// <returns>A logger instance.</returns>
        public Microsoft.Owin.Logging.ILogger Create(string name)
        {
            return new Logger(_getLogger().ForContext(Constants.SourceContextPropertyName,name),_getLogEventLevel);
        }

        static LogEventLevel ToLogEventLevel(TraceEventType traceEventType)
        {
            switch (traceEventType)
            {
                case TraceEventType.Critical:
                    return LogEventLevel.Fatal;
                case TraceEventType.Error:
                    return LogEventLevel.Error;
                case TraceEventType.Warning:
                    return LogEventLevel.Warning;
                case TraceEventType.Information:
                    return LogEventLevel.Information;
                case TraceEventType.Verbose:
                    return LogEventLevel.Verbose;
                case TraceEventType.Start:
                    return LogEventLevel.Debug;
                case TraceEventType.Stop:
                    return LogEventLevel.Debug;
                case TraceEventType.Suspend:
                    return LogEventLevel.Debug;
                case TraceEventType.Resume:
                    return LogEventLevel.Debug;
                case TraceEventType.Transfer:
                    return LogEventLevel.Debug;
                default:
                    throw new ArgumentOutOfRangeException("traceEventType");
            }
        }

        class Logger : Microsoft.Owin.Logging.ILogger
        {
            readonly ILogger _logger;
            readonly Func<TraceEventType,LogEventLevel> _getLogEventLevel;
            static readonly Exception _exceptionPlaceHolder = new Exception("(Exception enclosed)");

            internal Logger(ILogger logger,LogEventLevel> getLogEventLevel)
            {
                _logger = logger;
                _getLogEventLevel = getLogEventLevel;
            }

            public bool WriteCore(TraceEventType eventType,int eventId,object state,Exception exception,Func<object,Exception,string> formatter)
            {
                var level = _getLogEventLevel(eventType);

                // According to docs http://katanaproject.codeplex.com/SourceControl/latest#src/Microsoft.Owin/Logging/ILogger.cs
                // "To check IsEnabled call WriteCore with only TraceEventType and check the return value,no event will be written."
                if (state == null)
                    return _logger.IsEnabled(level);
                if (!_logger.IsEnabled(level))
                    return false;
                var formattedMessage = formatter(state,null); // Omit exception as we're including it in the LogEvent
                var template = new Serilog.Events.MessageTemplate(new[] { new Serilog.Parsing.TextToken(formattedMessage) });
                var logEvent = new Serilog.Events.LogEvent(DateTimeOffset.Now,level,exception,template,Enumerable.Empty<Serilog.Events.LogEventProperty>());
                _logger.ForContext("eventId",eventId).Write(logEvent);
                return true;
            }
        }
    }
}
原文链接:https://www.f2er.com/aspnet/248392.html

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