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@@ -1,8 +1,10 @@
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using System;
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using System.IO;
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using System.Linq;
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+using System.Xml;
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using NLog;
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using NLog.Config;
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+using NLog.Filters;
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using NLog.Targets;
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using NLog.Targets.Wrappers;
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using MediaBrowser.Model.Logging;
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@@ -14,20 +16,35 @@ namespace Emby.Common.Implementations.Logging
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/// </summary>
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public class NlogManager : ILogManager
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{
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- /// <summary>
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- /// Occurs when [logger loaded].
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- /// </summary>
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- public event EventHandler LoggerLoaded;
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+ #region Private Fields
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+
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+ private LogSeverity _severity = LogSeverity.Debug;
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+
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/// <summary>
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/// Gets or sets the log directory.
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/// </summary>
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/// <value>The log directory.</value>
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- private string LogDirectory { get; set; }
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+ private readonly string LogDirectory;
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+
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/// <summary>
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/// Gets or sets the log file prefix.
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/// </summary>
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/// <value>The log file prefix.</value>
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- private string LogFilePrefix { get; set; }
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+ private readonly string LogFilePrefix;
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+
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+ #endregion
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+
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+ #region Event Declarations
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+
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+ /// <summary>
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+ /// Occurs when [logger loaded].
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+ /// </summary>
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+ public event EventHandler LoggerLoaded;
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+
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+ #endregion
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+
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+ #region Public Properties
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+
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/// <summary>
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/// Gets the log file path.
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/// </summary>
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@@ -40,28 +57,25 @@ namespace Emby.Common.Implementations.Logging
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/// <value>The exception message prefix.</value>
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public string ExceptionMessagePrefix { get; set; }
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- /// <summary>
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- /// Initializes a new instance of the <see cref="NlogManager" /> class.
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- /// </summary>
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- /// <param name="logDirectory">The log directory.</param>
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- /// <param name="logFileNamePrefix">The log file name prefix.</param>
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- public NlogManager(string logDirectory, string logFileNamePrefix)
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- {
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- LogDirectory = logDirectory;
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- LogFilePrefix = logFileNamePrefix;
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+ public string NLogConfigurationFilePath { get; set; }
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- LogManager.Configuration = new LoggingConfiguration ();
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- }
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-
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- private LogSeverity _severity = LogSeverity.Debug;
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public LogSeverity LogSeverity
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{
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+
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get
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{
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return _severity;
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}
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+
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set
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{
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "SET LogSeverity, _severity = [{0}], value = [{1}]",
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+ _severity.ToString(),
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+ value.ToString()
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+ ));
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+
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var changed = _severity != value;
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_severity = value;
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@@ -70,11 +84,124 @@ namespace Emby.Common.Implementations.Logging
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{
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UpdateLogLevel(value);
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}
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+
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+ }
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+ }
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+
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+ #endregion
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+
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+ #region Constructor(s)
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+
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+ /// <summary>
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+ /// Initializes a new instance of the <see cref="NlogManager" /> class.
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+ /// </summary>
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+ /// <param name="logDirectory">The log directory.</param>
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+ /// <param name="logFileNamePrefix">The log file name prefix.</param>
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+ public NlogManager(string logDirectory, string logFileNamePrefix)
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+ {
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+ DebugFileWriter(
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+ logDirectory, String.Format(
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+ "NlogManager constructor called, logDirectory is [{0}], logFileNamePrefix is [{1}], _severity is [{2}].",
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+ logDirectory,
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+ logFileNamePrefix,
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+ _severity.ToString()
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+ ));
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+
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+ LogDirectory = logDirectory;
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+ LogFilePrefix = logFileNamePrefix;
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+
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+ LogManager.Configuration = new LoggingConfiguration();
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+ }
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+
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+ /// <summary>
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+ /// Initializes a new instance of the <see cref="NlogManager" /> class.
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+ /// </summary>
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+ /// <param name="logDirectory">The log directory.</param>
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+ /// <param name="logFileNamePrefix">The log file name prefix.</param>
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+ public NlogManager(string logDirectory, string logFileNamePrefix, LogSeverity initialSeverity) : this(logDirectory, logFileNamePrefix)
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+ {
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+ _severity = initialSeverity;
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+
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+ DebugFileWriter(
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+ logDirectory, String.Format(
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+ "NlogManager constructor called, logDirectory is [{0}], logFileNamePrefix is [{1}], _severity is [{2}].",
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+ logDirectory,
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+ logFileNamePrefix,
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+ _severity.ToString()
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+ ));
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+ }
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+
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+ #endregion
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+
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+ #region Private Methods
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+
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+ /// <summary>
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+ /// Adds the file target.
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+ /// </summary>
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+ /// <param name="path">The path.</param>
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+ /// <param name="level">The level.</param>
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+ private void AddFileTarget(string path, LogSeverity level)
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+ {
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+
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "AddFileTarget called, path = [{0}], level = [{1}].",
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+ path,
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+ level.ToString()
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+ ));
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+
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+ RemoveTarget("ApplicationLogFileWrapper");
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+
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+ var wrapper = new AsyncTargetWrapper();
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+ wrapper.Name = "ApplicationLogFileWrapper";
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+
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+ var logFile = new FileTarget
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+ {
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+ FileName = path,
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+ Layout = "${longdate} ${level} ${logger}: ${message}"
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+ };
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+
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+ logFile.Name = "ApplicationLogFile";
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+
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+ wrapper.WrappedTarget = logFile;
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+
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+ AddLogTarget(wrapper, level);
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+
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+ }
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+
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+ /// <summary>
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+ /// Gets the log level.
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+ /// </summary>
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+ /// <param name="severity">The severity.</param>
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+ /// <returns>LogLevel.</returns>
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+ /// <exception cref="System.ArgumentException">Unrecognized LogSeverity</exception>
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+ private LogLevel GetLogLevel(LogSeverity severity)
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+ {
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+ switch (severity)
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+ {
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+ case LogSeverity.Debug:
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+ return LogLevel.Debug;
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+ case LogSeverity.Error:
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+ return LogLevel.Error;
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+ case LogSeverity.Fatal:
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+ return LogLevel.Fatal;
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+ case LogSeverity.Info:
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+ return LogLevel.Info;
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+ case LogSeverity.Warn:
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+ return LogLevel.Warn;
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+ default:
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+ throw new ArgumentException("Unrecognized LogSeverity");
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}
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}
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private void UpdateLogLevel(LogSeverity newLevel)
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{
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "UpdateLogLevel called, newLevel = [{0}].",
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+ newLevel.ToString()
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+ ));
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+
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var level = GetLogLevel(newLevel);
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var rules = LogManager.Configuration.LoggingRules;
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@@ -95,29 +222,117 @@ namespace Emby.Common.Implementations.Logging
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}
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}
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- /// <summary>
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- /// Adds the file target.
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- /// </summary>
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- /// <param name="path">The path.</param>
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- /// <param name="level">The level.</param>
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- private void AddFileTarget(string path, LogSeverity level)
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+ private void AddCustomFilters(string defaultLoggerNamePattern, LoggingRule defaultRule)
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{
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- RemoveTarget("ApplicationLogFileWrapper");
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "AddCustomFilters called, defaultLoggerNamePattern = [{0}], defaultRule.LoggerNamePattern = [{1}].",
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+ defaultLoggerNamePattern,
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+ defaultRule.LoggerNamePattern
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+ ));
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+
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+ try
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+ {
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+ var customConfig = new NLog.Config.XmlLoggingConfiguration(NLogConfigurationFilePath);
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- var wrapper = new AsyncTargetWrapper ();
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- wrapper.Name = "ApplicationLogFileWrapper";
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "Custom Configuration Loaded, Rule Count = [{0}].",
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+ customConfig.LoggingRules.Count.ToString()
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+ ));
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- var logFile = new FileTarget
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+ foreach (var customRule in customConfig.LoggingRules)
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+ {
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+
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "Read Custom Rule, LoggerNamePattern = [{0}], Targets = [{1}].",
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+ customRule.LoggerNamePattern,
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+ string.Join(",", customRule.Targets.Select(x => x.Name).ToList())
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+ ));
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+
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+ if (customRule.LoggerNamePattern.Equals(defaultLoggerNamePattern))
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+ {
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+
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+ if (customRule.Targets.Any((arg) => arg.Name.Equals(defaultRule.Targets.First().Name)))
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+ {
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+
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "Custom rule filters can be applied to this target, Filter Count = [{0}].",
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+ customRule.Filters.Count.ToString()
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+ ));
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+
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+ foreach (ConditionBasedFilter customFilter in customRule.Filters)
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+ {
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+
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "Read Custom Filter, Filter = [{0}], Action = [{1}], Type = [{2}].",
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+ customFilter.Condition.ToString(),
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+ customFilter.Action.ToString(),
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+ customFilter.GetType().ToString()
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+ ));
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+
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+ defaultRule.Filters.Add(customFilter);
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+
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+ }
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+ }
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+ else
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+ {
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+
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "Ignoring custom rule as [Target] does not match."
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+ ));
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+
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+ }
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+
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+ }
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+ else
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+ {
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+
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "Ignoring custom rule as [LoggerNamePattern] does not match."
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+ ));
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+
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+ }
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+ }
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+ }
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+ catch (Exception ex)
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{
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- FileName = path,
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- Layout = "${longdate} ${level} ${logger}: ${message}"
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- };
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+ // Intentionally do nothing, prevent issues affecting normal execution.
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "Exception in AddCustomFilters, ex.Message = [{0}].",
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+ ex.Message
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+ )
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+ );
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- logFile.Name = "ApplicationLogFile";
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+ }
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+ }
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- wrapper.WrappedTarget = logFile;
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+ #endregion
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+
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+ #region Public Methods
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+
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+ /// <summary>
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+ /// Gets the logger.
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+ /// </summary>
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+ /// <param name="name">The name.</param>
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+ /// <returns>ILogger.</returns>
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+ public MediaBrowser.Model.Logging.ILogger GetLogger(string name)
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+ {
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+
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "GetLogger called, name = [{0}].",
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+ name
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+ ));
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+
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+ return new NLogger(name, this);
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- AddLogTarget(wrapper, level);
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}
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/// <summary>
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@@ -127,13 +342,26 @@ namespace Emby.Common.Implementations.Logging
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/// <param name="level">The level.</param>
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public void AddLogTarget(Target target, LogSeverity level)
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{
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+
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "AddLogTarget called, target.Name = [{0}], level = [{1}].",
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+ target.Name,
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+ level.ToString()
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+ ));
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+
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+ string loggerNamePattern = "*";
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var config = LogManager.Configuration;
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+ var rule = new LoggingRule(loggerNamePattern, GetLogLevel(level), target);
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+
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config.AddTarget(target.Name, target);
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- var rule = new LoggingRule("*", GetLogLevel(level), target);
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+ AddCustomFilters(loggerNamePattern, rule);
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+
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config.LoggingRules.Add(rule);
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LogManager.Configuration = config;
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+
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}
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/// <summary>
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@@ -142,6 +370,13 @@ namespace Emby.Common.Implementations.Logging
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/// <param name="name">The name.</param>
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public void RemoveTarget(string name)
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{
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+
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "RemoveTarget called, name = [{0}].",
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+ name
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+ ));
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+
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var config = LogManager.Configuration;
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var target = config.FindTargetByName(name);
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@@ -165,50 +400,70 @@ namespace Emby.Common.Implementations.Logging
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}
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}
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- /// <summary>
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- /// Gets the logger.
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- /// </summary>
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- /// <param name="name">The name.</param>
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- /// <returns>ILogger.</returns>
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- public MediaBrowser.Model.Logging.ILogger GetLogger(string name)
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+ public void AddConsoleOutput()
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{
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- return new NLogger(name, this);
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+
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "AddConsoleOutput called."
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+ ));
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+
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+ RemoveTarget("ConsoleTargetWrapper");
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+
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+ var wrapper = new AsyncTargetWrapper();
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+ wrapper.Name = "ConsoleTargetWrapper";
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+
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+ var target = new ConsoleTarget()
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+ {
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+ Layout = "${level}, ${logger}, ${message}",
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+ Error = false
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+ };
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+
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+ target.Name = "ConsoleTarget";
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+
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+ wrapper.WrappedTarget = target;
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+
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+ AddLogTarget(wrapper, LogSeverity);
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+
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+ }
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+
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+ public void RemoveConsoleOutput()
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+ {
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+
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+ DebugFileWriter(
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+ LogDirectory, String.Format(
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+ "RemoveConsoleOutput called."
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+ ));
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+
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+ RemoveTarget("ConsoleTargetWrapper");
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+
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}
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/// <summary>
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- /// Gets the log level.
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+ /// Reloads the logger, maintaining the current log level.
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/// </summary>
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- /// <param name="severity">The severity.</param>
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- /// <returns>LogLevel.</returns>
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- /// <exception cref="System.ArgumentException">Unrecognized LogSeverity</exception>
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|
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- private LogLevel GetLogLevel(LogSeverity severity)
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+ public void ReloadLogger()
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{
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- switch (severity)
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- {
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- case LogSeverity.Debug:
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- return LogLevel.Debug;
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- case LogSeverity.Error:
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- return LogLevel.Error;
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- case LogSeverity.Fatal:
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- return LogLevel.Fatal;
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- case LogSeverity.Info:
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- return LogLevel.Info;
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- case LogSeverity.Warn:
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- return LogLevel.Warn;
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- default:
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- throw new ArgumentException("Unrecognized LogSeverity");
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|
|
- }
|
|
|
+ ReloadLogger(LogSeverity);
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
- /// Reloads the logger.
|
|
|
+ /// Reloads the logger, using the specified logging level.
|
|
|
/// </summary>
|
|
|
/// <param name="level">The level.</param>
|
|
|
public void ReloadLogger(LogSeverity level)
|
|
|
{
|
|
|
+
|
|
|
+ DebugFileWriter(
|
|
|
+ LogDirectory, String.Format(
|
|
|
+ "ReloadLogger called, level = [{0}], LogFilePath (existing) = [{1}].",
|
|
|
+ level.ToString(),
|
|
|
+ LogFilePath
|
|
|
+ ));
|
|
|
+
|
|
|
LogFilePath = Path.Combine(LogDirectory, LogFilePrefix + "-" + decimal.Floor(DateTime.Now.Ticks / 10000000) + ".txt");
|
|
|
|
|
|
- Directory.CreateDirectory(Path.GetDirectoryName(LogFilePath));
|
|
|
+ Directory.CreateDirectory(Path.GetDirectoryName(LogFilePath));
|
|
|
|
|
|
AddFileTarget(LogFilePath, level);
|
|
|
|
|
@@ -218,7 +473,14 @@ namespace Emby.Common.Implementations.Logging
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
+
|
|
|
+ DebugFileWriter(
|
|
|
+ LogDirectory, String.Format(
|
|
|
+ "ReloadLogger called, raised event LoggerLoaded."
|
|
|
+ ));
|
|
|
+
|
|
|
LoggerLoaded(this, EventArgs.Empty);
|
|
|
+
|
|
|
}
|
|
|
catch (Exception ex)
|
|
|
{
|
|
@@ -232,33 +494,51 @@ namespace Emby.Common.Implementations.Logging
|
|
|
/// </summary>
|
|
|
public void Flush()
|
|
|
{
|
|
|
- LogManager.Flush();
|
|
|
- }
|
|
|
|
|
|
+ DebugFileWriter(
|
|
|
+ LogDirectory, String.Format(
|
|
|
+ "Flush called."
|
|
|
+ ));
|
|
|
|
|
|
- public void AddConsoleOutput()
|
|
|
- {
|
|
|
- RemoveTarget("ConsoleTargetWrapper");
|
|
|
+ LogManager.Flush();
|
|
|
|
|
|
- var wrapper = new AsyncTargetWrapper ();
|
|
|
- wrapper.Name = "ConsoleTargetWrapper";
|
|
|
+ }
|
|
|
|
|
|
- var target = new ConsoleTarget()
|
|
|
- {
|
|
|
- Layout = "${level}, ${logger}, ${message}",
|
|
|
- Error = false
|
|
|
- };
|
|
|
+ #endregion
|
|
|
|
|
|
- target.Name = "ConsoleTarget";
|
|
|
+ #region Conditional Debug Methods
|
|
|
|
|
|
- wrapper.WrappedTarget = target;
|
|
|
+ /// <summary>
|
|
|
+ /// DEBUG: Standalone method to write out debug to assist with logger development/troubleshooting.
|
|
|
+ /// <list type="bullet">
|
|
|
+ /// <item><description>The output file will be written to the server's log directory.</description></item>
|
|
|
+ /// <item><description>Calls to the method are safe and will never throw any exceptions.</description></item>
|
|
|
+ /// <item><description>Method calls will be omitted unless the library is compiled with DEBUG defined.</description></item>
|
|
|
+ /// </list>
|
|
|
+ /// </summary>
|
|
|
+ private static void DebugFileWriter(string logDirectory, string message)
|
|
|
+ {
|
|
|
+#if DEBUG
|
|
|
+ try
|
|
|
+ {
|
|
|
|
|
|
- AddLogTarget(wrapper, LogSeverity);
|
|
|
- }
|
|
|
+ System.IO.File.AppendAllText(
|
|
|
+ Path.Combine(logDirectory, "NlogManager.txt"),
|
|
|
+ String.Format(
|
|
|
+ "{0} : {1}{2}",
|
|
|
+ System.DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffZ"),
|
|
|
+ message,
|
|
|
+ System.Environment.NewLine
|
|
|
+ )
|
|
|
+ );
|
|
|
|
|
|
- public void RemoveConsoleOutput()
|
|
|
- {
|
|
|
- RemoveTarget("ConsoleTargetWrapper");
|
|
|
+ }
|
|
|
+ catch (Exception ex)
|
|
|
+ {
|
|
|
+ // Intentionally do nothing, prevent issues affecting normal execution.
|
|
|
+ }
|
|
|
+#endif
|
|
|
}
|
|
|
+ #endregion
|
|
|
}
|
|
|
-}
|
|
|
+}
|