将 App.config 应用到我的 DLL 程序集? [英] Apply an App.config to my DLL assembly?

问题描述

我正在编写一个类库作为抽象，用于登录我编写的任何应用程序、服务等.我通过使其非常可配置来满足我遇到的大多数应用程序/服务日志记录场景的需求，从而使其非常健壮.

配置旨在指定以下内容:

• 要写入的日志级别
• 为所有级别写入一个日志文件
• 写入每个级别的单独文件
• 记录截止(定期、应用事件、字节大小受限)
• 日志文件过期(文件过期后删除日志文件)
• 以纯文本或 XML 格式编写
• 日志文件名格式规范
• 是否在文件名前加上日期
• 父应用的名称
• 等等等等...

我已经阅读了一些关于 DLL 程序集配置的其他 stackoverflow 问题，它导致托管程序集/应用程序的 app.config 之间发生冲突.我相信我的程序集有理由提供一个配置文件.

这是适合那个场合的好场景吗?将我自己的配置烘焙到我的项目中以便我的记录器从 XML 文件中读取以检索配置值可能是一个更好的主意吗?

解决方案

你能做的是

• 创建自定义配置部分(例如使用配置部分设计器工具)

• 将程序集的配置放入单独的MyAssembly.config 文件

• 从您的主机应用的配置中引用该程序集配置文件:

  <预><代码><配置><configSections><部分名称="您的程序集"type="YourAssembly.ConfigSection, YourAssembly"/></configSections><YourAssembly configSource="MyAssembly.config"/></配置>

那样，您可以将您的配置外部化"到一个单独的配置文件中，您只有一次(在您的程序集项目中)，并且任何需要它的项目只需要在其自己的配置文件中进行这些设置.

I'm writing a class library as an abstraction to use for logging in any application, service, etc. that I write. I'm making it decently robust by making it very configurable to suit my needs for most application/service logging scenarios that I come across.

The config is designed to specify things such as:

• What logging level to write
• Write to one log file for all levels
• Write to separate files per level
• Logging cutoff (periodic, app event, byte size restricted)
• Log file expiration (delete log files after file age)
• Write as flat text or XML
• Log file name format specification
• Whether to prefix filename with date
• Parent app's name
• etc, etc, etc...

I've read some other stackoverflow questions regarding configs for DLL assemblies and it causing conflict between the app.config for the hosting assembly/app. I believe that my assembly has just cause to provide a config file.

Is this a good scenario for that occasion? Is it perhaps a better idea to bake my own config into my project so that my logger reads from XML files to retrieve config values?

解决方案

What you could do is

• create a custom configuration section (using e.g. the COnfiguration Section Designer tool)

• put your assembly's configuration into a separate MyAssembly.config file

• reference that assembly config file from your host app's config:

  <configuration>
     <configSections>
         <section name="YourAssembly" 
                  type="YourAssembly.ConfigSection, YourAssembly" />
     </configSections>
  
     <YourAssembly configSource="MyAssembly.config" />
  </configuration>
  

That way, you can "externalize" your configuration into a separate config file which you have only once (in your assembly's project), and any project needing it just needs those settings in its own config file.

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