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Lidarr/NzbDrone.Core/Instrumentation/SetLoggingLevel.cs

80 lines
2.2 KiB

using System.Collections.Generic;
using System.Linq;
using NLog;
using NLog.Config;
using NLog.Targets;
using NzbDrone.Common.Messaging;
using NzbDrone.Core.Configuration;
using NzbDrone.Core.Configuration.Events;
using NzbDrone.Core.Lifecycle;
namespace NzbDrone.Core.Instrumentation
{
public interface ISetLoggingLevel
{
void Reconfigure();
}
public class SetLoggingLevel : ISetLoggingLevel, IHandleAsync<ConfigFileSavedEvent>, IHandleAsync<ApplicationStartedEvent>
{
private readonly IConfigFileProvider _configFileProvider;
public SetLoggingLevel(IConfigFileProvider configFileProvider)
{
_configFileProvider = configFileProvider;
}
public void Reconfigure()
{
var minimumLogLevel = LogLevel.FromString(_configFileProvider.LogLevel);
var rules = LogManager.Configuration.LoggingRules;
var rollingFileLogger = rules.Single(s => s.Targets.Any(t => t is FileTarget));
rollingFileLogger.EnableLoggingForLevel(LogLevel.Trace);
SetMinimumLogLevel(rollingFileLogger, minimumLogLevel);
LogManager.ReconfigExistingLoggers();
}
private void SetMinimumLogLevel(LoggingRule rule, LogLevel minimumLogLevel)
{
foreach (var logLevel in GetLogLevels())
{
if (logLevel < minimumLogLevel)
{
rule.DisableLoggingForLevel(logLevel);
}
else
{
rule.EnableLoggingForLevel(logLevel);
}
}
}
private List<LogLevel> GetLogLevels()
{
return new List<LogLevel>
{
LogLevel.Trace,
LogLevel.Debug,
LogLevel.Info,
LogLevel.Warn,
LogLevel.Error,
LogLevel.Fatal
};
}
public void HandleAsync(ConfigFileSavedEvent message)
{
Reconfigure();
}
public void HandleAsync(ApplicationStartedEvent message)
{
Reconfigure();
}
}
}