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using System;
using System.Globalization;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
namespace Jellyfin.Server.ServerSetupApp;
/// <inheritdoc/>
public class StartupLogger : IStartupLogger
{
private readonly StartupLogTopic? _topic;
/// <summary>
/// Initializes a new instance of the <see cref="StartupLogger"/> class.
/// </summary>
/// <param name="logger">The underlying base logger.</param>
public StartupLogger(ILogger logger)
{
BaseLogger = logger;
}
/// <summary>
/// Initializes a new instance of the <see cref="StartupLogger"/> class.
/// </summary>
/// <param name="logger">The underlying base logger.</param>
/// <param name="topic">The group for this logger.</param>
internal StartupLogger(ILogger logger, StartupLogTopic? topic) : this(logger)
{
_topic = topic;
}
internal static IStartupLogger Logger { get; set; } = new StartupLogger(NullLogger.Instance);
/// <inheritdoc/>
public StartupLogTopic? Topic => _topic;
/// <summary>
/// Gets or Sets the underlying base logger.
/// </summary>
protected ILogger BaseLogger { get; set; }
/// <inheritdoc/>
public IStartupLogger BeginGroup(FormattableString logEntry)
{
return new StartupLogger(BaseLogger, AddToTopic(logEntry));
}
/// <inheritdoc/>
public IStartupLogger With(ILogger logger)
{
return new StartupLogger(logger, Topic);
}
/// <inheritdoc/>
public IStartupLogger<TCategory> With<TCategory>(ILogger logger)
{
return new StartupLogger<TCategory>(logger, Topic);
}
/// <inheritdoc/>
public IStartupLogger<TCategory> BeginGroup<TCategory>(FormattableString logEntry)
{
return new StartupLogger<TCategory>(BaseLogger, AddToTopic(logEntry));
}
private StartupLogTopic AddToTopic(FormattableString logEntry)
{
var startupEntry = new StartupLogTopic()
{
Content = logEntry.ToString(CultureInfo.InvariantCulture),
DateOfCreation = DateTimeOffset.Now
};
if (Topic is null)
{
SetupServer.LogQueue?.Enqueue(startupEntry);
}
else
{
Topic.Children.Add(startupEntry);
}
return startupEntry;
}
/// <inheritdoc/>
public IDisposable? BeginScope<TState>(TState state)
where TState : notnull
{
return null;
}
/// <inheritdoc/>
public bool IsEnabled(LogLevel logLevel)
{
return true;
}
/// <inheritdoc/>
public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception? exception, Func<TState, Exception?, string> formatter)
{
if (BaseLogger.IsEnabled(logLevel))
{
// if enabled allow the base logger also to receive the message
BaseLogger.Log(logLevel, eventId, state, exception, formatter);
}
var startupEntry = new StartupLogTopic()
{
LogLevel = logLevel,
Content = formatter(state, exception),
DateOfCreation = DateTimeOffset.Now
};
if (Topic is null)
{
SetupServer.LogQueue?.Enqueue(startupEntry);
}
else
{
Topic.Children.Add(startupEntry);
}
}
}
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