Radarr/NzbDrone.Common/LogConfiguration.cs

using System;
using NLog;
using NLog.Config;
using NLog.Targets;
using NzbDrone.Common.NlogTargets;

namespace NzbDrone.Common
{
    public static class LogConfiguration
    {
        static LogConfiguration()
        {
            if (EnvironmentProvider.IsProduction)
            {
                LogManager.ThrowExceptions = false;
            }
            else
            {
                LogManager.ThrowExceptions = true;
            }

            if (LogManager.Configuration == null)
            {
                LogManager.Configuration = new LoggingConfiguration();
            }
        }

        
        private static FileTarget GetBaseTarget()
        {
            var fileTarget = new FileTarget();
            fileTarget.AutoFlush = true;
            fileTarget.ConcurrentWrites = true;
            fileTarget.KeepFileOpen = false;
            fileTarget.ConcurrentWriteAttemptDelay = 50;
            fileTarget.ConcurrentWriteAttempts = 200;

            fileTarget.Layout = @"${date:format=yy-M-d HH\:mm\:ss.f}|${replace:searchFor=NzbDrone.:replaceWith=:inner=${logger}}|${level}|${message}|${exception:format=ToString}";

            return fileTarget;
        }

        public static void RegisterFileLogger(string fileName, LogLevel level)
        {
            var fileTarget = GetBaseTarget();
            fileTarget.FileName = fileName;

            LogManager.Configuration.AddTarget(Guid.NewGuid().ToString(), fileTarget);
            LogManager.Configuration.LoggingRules.Add(new LoggingRule("*", level, fileTarget));
        }

        public static void RegisterRollingFileLogger(string fileName, LogLevel level)
        {
            var fileTarget = GetBaseTarget();
            fileTarget.FileName = fileName;
            fileTarget.ArchiveAboveSize = 512000; //500K x 2
            fileTarget.MaxArchiveFiles = 1;
            fileTarget.EnableFileDelete = true;
            fileTarget.ArchiveNumbering = ArchiveNumberingMode.Rolling;

            LogManager.Configuration.AddTarget(Guid.NewGuid().ToString(), fileTarget);
            LogManager.Configuration.LoggingRules.Add(new LoggingRule("*", level, fileTarget));
        }

        public static void RegisterRemote()
        {
            //if (EnviromentProvider.IsProduction)
            //{
            //    try
            //    {
            //        var exceptioneerTarget = new ExceptioneerTarget();
            //        LogManager.Configuration.AddTarget("Exceptioneer", exceptioneerTarget);
            //        LogManager.Configuration.LoggingRules.Add(new LoggingRule("*", LogLevel.Trace, exceptioneerTarget));
            //    }
            //    catch (Exception e)
            //    {
            //        Console.WriteLine(e);
            //    }
            //}

            try
            {
                var remoteTarget = new RemoteTarget();
                LogManager.Configuration.AddTarget("RemoteTarget", remoteTarget);
                LogManager.Configuration.LoggingRules.Add(new LoggingRule("*", LogLevel.Trace, remoteTarget));
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
            }

            LogManager.ConfigurationReloaded += (sender, args) => RegisterRemote();
        }

        public static void Reload()
        {
            LogManager.Configuration.Reload();
            LogManager.ReconfigExistingLoggers();
        }
    }
}