C# .NET Core 3.1 BackgroundService 中的 Serilog 使用

发布于 2025-01-11 04:57:06 字数 2033 浏览 2 评论 0原文

在了解如何使用 Serilog 的教程之后,我从 appsettings.json 文件中读取设置 - 当事情很简单时,以下所有内容都运行良好:

主程序(在简单的 MVP 版本中):

public static void Main(string[] args)
{
//Read Configuration from appSettings    
var config = new ConfigurationBuilder().AddJsonFile("appsettings.json").Build();
//Initialize Logger    
Log.Logger = new LoggerConfiguration().ReadFrom.Configuration(config).CreateLogger();

try
{
    Log.Information("Starting up the service");
    CreateHostBuilder(args).Build().Run();
....
 public static IHostBuilder CreateHostBuilder(string[] args) =>
     Host.CreateDefaultBuilder(args)
    .UseWindowsService()
    .ConfigureServices((hostContext, services) =>
    {
        services.AddHostedService<Worker>();
    })
    .UseSerilog();

然后是具有 BackgroundService 的类:

....
using Microsoft.Extensions.Logging;//and not Serilog!!

public class Worker : BackgroundService
{
    private readonly ILogger _logger;
   ....


    public Worker(ILogger<Worker> logger)
    {
        _logger = logger;
    }

---- -----------------对我来说简单的事情到此结束:-) ------------------------ ----------

现在,我想从第一个 MVP 开始将其构建为一个“真正的”程序 - 根据 SOLID 原则将函数放置在单独的类中。例如,我的第一个类是ConfigurationCollector 从我放置在单独类中的 appsettings.json 文件中收集所有相关参数。该类可以工作并完成工作 - 但我希望日志记录能够工作 - 我尝试使用跨类使用的已配置好的 Serilog 记录器(就像我对 ILogger 所做的那样,以便 Worker 对象创建一个新的 ConfigurationCollector 类,就像

public Worker(ILogger<Worker> logger)
    {
        _logger = logger;
        _configCollector = new ConfigCollector(logger);
    }

我知道的那样) 一种类型

ILogger<ConfigCollector> 

logger 现在不是

ILogger<Worker> 

,但是如何将服务启动时的原始 Serilog 注入到使用的每个类中,以便对象在日志中正确显示?

    public class ConfigCollector
    {
       private readonly ILogger<ConfigCollector> _logger;     
       ....
    public ConfigCollector(ILogger<ConfigCollector> logger)
    {
        _logger = logger;
    }
       
 

Following a tutorial on how to use Serilog I read the settings from an appsettings.json file - and all below works well, when things are simple:

Main program (in simple MVP version):

public static void Main(string[] args)
{
//Read Configuration from appSettings    
var config = new ConfigurationBuilder().AddJsonFile("appsettings.json").Build();
//Initialize Logger    
Log.Logger = new LoggerConfiguration().ReadFrom.Configuration(config).CreateLogger();

try
{
    Log.Information("Starting up the service");
    CreateHostBuilder(args).Build().Run();
....
 public static IHostBuilder CreateHostBuilder(string[] args) =>
     Host.CreateDefaultBuilder(args)
    .UseWindowsService()
    .ConfigureServices((hostContext, services) =>
    {
        services.AddHostedService<Worker>();
    })
    .UseSerilog();

Then the class with the BackgroundService:

....
using Microsoft.Extensions.Logging;//and not Serilog!!

public class Worker : BackgroundService
{
    private readonly ILogger _logger;
   ....


    public Worker(ILogger<Worker> logger)
    {
        _logger = logger;
    }

---------------------SIMPLE THINGS FOR ME ENDS HERE :-) ----------------------------------

Now, I want to build it up to a "real" program from this first MVP - placing function in seperate classes according to SOLID principles.For instance my first class is a ConfigurationCollector collecting all relevant paramters from the appsettings.json file that I place in a seperat class. The class works and does it jobs - but I want logging to work - and I try to use the allready configured Serilog logger used accross class (just as I did with ILogger, so that the Worker object creates a new ConfigurationCollector class like

public Worker(ILogger<Worker> logger)
    {
        _logger = logger;
        _configCollector = new ConfigCollector(logger);
    }

I know that logger is now a type of

ILogger<ConfigCollector> 

which is not

ILogger<Worker> 

But how do I inject the original Serilog from the initiation of the service into each class used, such that the objects are shown properly in the logs?

    public class ConfigCollector
    {
       private readonly ILogger<ConfigCollector> _logger;     
       ....
    public ConfigCollector(ILogger<ConfigCollector> logger)
    {
        _logger = logger;
    }
       
 

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烙印 2025-01-18 04:57:06

.NET 6 后台服务

.UseSerilog((builder, loggerConfig) =>
        loggerConfig.ReadFrom.Configuration(builder.Configuration))
.Build();

.NET 6 Background service

.UseSerilog((builder, loggerConfig) =>
        loggerConfig.ReadFrom.Configuration(builder.Configuration))
.Build();
~没有更多了~
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