Log4Net integration should filter SDK logs #2953

using System.Net;
using log4net;
using log4net.Config;
using Microsoft.AspNetCore;
using Sentry.Extensibility;

[assembly: XmlConfigurator(Watch = true)]

namespace Sentry.Samples.AspNetCore.Basic;

public class Program
{
    private static readonly ILog Log = LogManager.GetLogger(typeof(Program));

    public static void Main(string[] args)
    {
        BuildWebHost(args).Run();
    }

    public static IWebHost BuildWebHost(string[] args) =>
        WebHost.CreateDefaultBuilder(args)
            .UseSentry(o =>
            {
                o.Dsn = "http://key@localhost:4999/123";
                o.Debug = true;
                o.DiagnosticLogger = new Log4NetDiagnosticLogger(Log);
            })

            // The App:
            .Configure(app =>
            {
                app.UseRouting();

                // An example ASP.NET Core middleware that throws an
                // exception when serving a request to path: /throw
                app.UseEndpoints(endpoints =>
                {
                    // Reported events will be grouped by route pattern
                    endpoints.MapGet("/throw/{message?}", context => 
                        throw new Exception("An exception thrown from the ASP.NET Core pipeline"));
                });
            })
            .Build();
}

public class Log4NetDiagnosticLogger : IDiagnosticLogger
{
    private readonly ILog _log;

    public Log4NetDiagnosticLogger(ILog log)
    {
        _log = log;
    }

    public bool IsEnabled(SentryLevel level)
    {
        return true;
    }

    public void Log(SentryLevel logLevel, string message, Exception exception = null, params object[] args)
    {
        switch (logLevel)
        {
            case SentryLevel.Debug:
                _log.Debug(message);
                break;
            case SentryLevel.Info:
                _log.Info(message);
                break;
            case SentryLevel.Warning:
                _log.Warn(message);
                break;
            case SentryLevel.Error:
                _log.Error(message);
                break;
            case SentryLevel.Fatal:
                _log.Fatal(message);
                break;
        }
    }
}