[.NETCORE/ASP.NET MVC] ILoggerProvider 인터페이스 : 커스텀 로그 기록기 공급자 사용하기
.NetCore/ASP.NET MVC 2020. 10. 27. 21:54728x90
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▶ Log/ColorConsoleLoggerConfiguration.cs
using Microsoft.Extensions.Logging;
using System;
namespace TestProject.Log
{
/// <summary>
/// 색상 콘솔 로그 기록기 구성
/// </summary>
public class ColorConsoleLoggerConfiguration
{
//////////////////////////////////////////////////////////////////////////////////////////////////// Property
////////////////////////////////////////////////////////////////////////////////////////// Public
#region 로그 레벨 - LogLevel
/// <summary>
/// 로그 레벨
/// </summary>
public LogLevel LogLevel { get; set; } = LogLevel.Warning;
#endregion
#region 이벤트 ID - EventID
/// <summary>
/// 이벤트 ID
/// </summary>
public int EventID { get; set; } = 0;
#endregion
#region 색상 - Color
/// <summary>
/// 색성
/// </summary>
public ConsoleColor Color { get; set; } = ConsoleColor.Yellow;
#endregion
}
}
▶ Log/ColorConsoleLogger.cs
using Microsoft.Extensions.Logging;
using System;
namespace TestProject.Log
{
/// <summary>
/// 색상 콘솔 로그 기록기
/// </summary>
public class ColorConsoleLogger : ILogger
{
//////////////////////////////////////////////////////////////////////////////////////////////////// Field
////////////////////////////////////////////////////////////////////////////////////////// Private
#region Field
/// <summary>
/// 명칭
/// </summary>
private readonly string name;
/// <summary>
/// 구성
/// </summary>
private readonly ColorConsoleLoggerConfiguration configuration;
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
////////////////////////////////////////////////////////////////////////////////////////// Public
#region 생성자 - ColorConsoleLogger(name, configuration)
/// <summary>
/// 생성자
/// </summary>
/// <param name="name">명칭</param>
/// <param name="configuration">구성</param>
public ColorConsoleLogger(string name, ColorConsoleLoggerConfiguration configuration)
{
this.name = name;
this.configuration = configuration;
}
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Method
////////////////////////////////////////////////////////////////////////////////////////// Public
#region 범위 시작하기 - BeginScope<TState>(state)
/// <summary>
/// 범위 시작하기
/// </summary>
/// <typeparam name="TState">상태 타입</typeparam>
/// <param name="state">상태</param>
/// <returns>리소스 해제 인터페이스</returns>
public IDisposable BeginScope<TState>(TState state)
{
return null;
}
#endregion
#region 이용 가능 여부 구하기 - IsEnabled(logLevel)
/// <summary>
/// 이용 가능 여부 구하기
/// </summary>
/// <param name="logLevel">로그 레벨</param>
/// <returns>이용 가능 여부</returns>
public bool IsEnabled(LogLevel logLevel)
{
return logLevel == this.configuration.LogLevel;
}
#endregion
#region 로그 기록하기 - Log<TState>(logLevel, eventID, state, exception, formatter)
/// <summary>
/// 로그 기록하기
/// </summary>
/// <typeparam name="TState">상태 타입</typeparam>
/// <param name="logLevel">로그 레벨</param>
/// <param name="eventID">이벤트 ID</param>
/// <param name="state">상태</param>
/// <param name="exception">예외</param>
/// <param name="formatter">포매터</param>
public void Log<TState>
(
LogLevel logLevel,
EventId eventID,
TState state,
Exception exception,
Func<TState, Exception, string> formatter
)
{
if(!IsEnabled(logLevel))
{
return;
}
if(this.configuration.EventID == 0 || this.configuration.EventID == eventID.Id)
{
ConsoleColor color = Console.ForegroundColor;
Console.ForegroundColor = this.configuration.Color;
Console.WriteLine($"{logLevel} - {eventID.Id} " + $"- {this.name} - {formatter(state, exception)}");
Console.ForegroundColor = color;
}
}
#endregion
}
}
▶ Log/ColorConsoleLoggerProvider.cs
using Microsoft.Extensions.Logging;
using System.Collections.Concurrent;
namespace TestProject.Log
{
/// <summary>
/// 색상 콘솔 로기 기록기 제공자
/// </summary>
public class ColorConsoleLoggerProvider : ILoggerProvider
{
//////////////////////////////////////////////////////////////////////////////////////////////////// Field
////////////////////////////////////////////////////////////////////////////////////////// Private
#region Field
/// <summary>
/// 구성
/// </summary>
private readonly ColorConsoleLoggerConfiguration configuration;
/// <summary>
/// 로그 기록기 딕셔너리
/// </summary>
private readonly ConcurrentDictionary<string, ColorConsoleLogger> dictionary = new ConcurrentDictionary<string, ColorConsoleLogger>();
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
////////////////////////////////////////////////////////////////////////////////////////// Public
#region 생성자 - ColorConsoleLoggerProvider(configuration)
/// <summary>
/// 생성자
/// </summary>
/// <param name="configuration">구성</param>
public ColorConsoleLoggerProvider(ColorConsoleLoggerConfiguration configuration)
{
this.configuration = configuration;
}
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Method
////////////////////////////////////////////////////////////////////////////////////////// Public
#region 로그 기록기 생성하기 - CreateLogger(categoryName)
/// <summary>
/// 로그 기록기 생성하기
/// </summary>
/// <param name="categoryName">카테고리명</param>
/// <returns>로그 기록기</returns>
public ILogger CreateLogger(string categoryName)
{
return this.dictionary.GetOrAdd(categoryName, name => new ColorConsoleLogger(name, this.configuration));
}
#endregion
#region 리소스 해제하기 - Dispose()
/// <summary>
/// 리소스 해제하기
/// </summary>
public void Dispose()
{
this.dictionary.Clear();
}
#endregion
}
}
▶ Log/ColorConsoleLoggerExtension.cs
using Microsoft.Extensions.Logging;
using System;
namespace TestProject.Log
{
/// <summary>
/// 색상 콘솔 로그 기록기 확장
/// </summary>
public static class ColorConsoleLoggerExtension
{
//////////////////////////////////////////////////////////////////////////////////////////////////// Method
////////////////////////////////////////////////////////////////////////////////////////// Static
//////////////////////////////////////////////////////////////////////////////// Public
#region 색상 콘솔 로그 기록기 추가하기 - AddColorConsoleLogger(loggerFactory, configuration)
/// <summary>
/// 색상 콘솔 로그 기록기 추가하기
/// </summary>
/// <param name="loggerFactory">로그 기록기 팩토리</param>
/// <param name="configuration">구성</param>
/// <returns>로그 기록기 팩토리</returns>
public static ILoggerFactory AddColorConsoleLogger
(
this ILoggerFactory loggerFactory,
ColorConsoleLoggerConfiguration configuration
)
{
loggerFactory.AddProvider(new ColorConsoleLoggerProvider(configuration));
return loggerFactory;
}
#endregion
#region 색상 콘솔 로그 기록기 추가하기 - AddColorConsoleLogger(loggerFactory)
/// <summary>
/// 색상 콘솔 로그 기록기 추가하기
/// </summary>
/// <param name="loggerFactory">로그 기록기 팩토리</param>
/// <returns>로그 기록기 팩토리</returns>
public static ILoggerFactory AddColorConsoleLogger(this ILoggerFactory loggerFactory)
{
ColorConsoleLoggerConfiguration configuration = new ColorConsoleLoggerConfiguration();
return loggerFactory.AddColorConsoleLogger(configuration);
}
#endregion
#region 색상 콘솔 로그 기록기 추가하기 - AddColorConsoleLogger(loggerFactory, configure)
/// <summary>
/// 색상 콘솔 로그 기록기 추가하기
/// </summary>
/// <param name="loggerFactory">로그 기록기 팩토리</param>
/// <param name="configure">구성 액션</param>
/// <returns>로그 기록기 팩토리</returns>
public static ILoggerFactory AddColorConsoleLogger
(
this ILoggerFactory loggerFactory,
Action<ColorConsoleLoggerConfiguration> configure
)
{
ColorConsoleLoggerConfiguration configuration = new ColorConsoleLoggerConfiguration();
configure(configuration);
return loggerFactory.AddColorConsoleLogger(configuration);
}
#endregion
}
}
▶ Startup.cs
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using System;
using TestProject.Log;
namespace TestProject
{
/// <summary>
/// 시작
/// </summary>
public class Startup
{
//////////////////////////////////////////////////////////////////////////////////////////////////// Property
////////////////////////////////////////////////////////////////////////////////////////// Public
#region 구성 - Configuration
/// <summary>
/// 구성
/// </summary>
public IConfiguration Configuration { get; }
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
////////////////////////////////////////////////////////////////////////////////////////// Public
#region 생성자 - Startup(configuration)
/// <summary>
/// 생성자
/// </summary>
/// <param name="configuration">구성</param>
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Method
////////////////////////////////////////////////////////////////////////////////////////// Public
#region 서비스 컬렉션 구성하기 - ConfigureServices(services)
/// <summary>
/// 서비스 컬렉션 구성하기
/// </summary>
/// <param name="services">서비스 컬렉션</param>
public void ConfigureServices(IServiceCollection services)
{
services.AddControllersWithViews();
}
#endregion
#region 구성하기 - Configure(app, environment)
/// <summary>
/// 구성하기
/// </summary>
/// <param name="app">애플리케이션 빌더</param>
/// <param name="environment">웹 호스트 환경</param>
/// <param name="loggerFactory">로그 기록기 팩토리</param>
public void Configure(IApplicationBuilder app, IWebHostEnvironment environment, ILoggerFactory loggerFactory)
{
loggerFactory.AddProvider
(
new ColorConsoleLoggerProvider
(
new ColorConsoleLoggerConfiguration
{
LogLevel = LogLevel.Error,
Color = ConsoleColor.Red
}
)
);
loggerFactory.AddColorConsoleLogger();
loggerFactory.AddColorConsoleLogger
(
new ColorConsoleLoggerConfiguration
{
LogLevel = LogLevel.Debug,
Color = ConsoleColor.Gray
}
);
loggerFactory.AddColorConsoleLogger
(
configuration =>
{
configuration.LogLevel = LogLevel.Information;
configuration.Color = ConsoleColor.Blue;
}
);
if(environment.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Home/Error");
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseRouting();
app.UseAuthorization();
app.UseEndpoints
(
endpoints =>
{
endpoints.MapControllerRoute
(
name : "default",
pattern : "{controller=Home}/{action=Index}/{id?}"
);
}
);
}
#endregion
}
}728x90
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