1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
using MediaBrowser.Model.Logging;
using NLog;
using NLog.Config;
using NLog.Targets;
using System;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
namespace MediaBrowser.Common.Implementations.Logging
{
/// <summary>
/// Class NlogManager
/// </summary>
public class NlogManager : ILogManager
{
/// <summary>
/// Occurs when [logger loaded].
/// </summary>
public event EventHandler LoggerLoaded;
/// <summary>
/// Gets or sets the log directory.
/// </summary>
/// <value>The log directory.</value>
private string LogDirectory { get; set; }
/// <summary>
/// Gets or sets the log file prefix.
/// </summary>
/// <value>The log file prefix.</value>
private string LogFilePrefix { get; set; }
/// <summary>
/// Gets the log file path.
/// </summary>
/// <value>The log file path.</value>
public string LogFilePath { get; private set; }
/// <summary>
/// Initializes a new instance of the <see cref="NlogManager" /> class.
/// </summary>
/// <param name="logDirectory">The log directory.</param>
/// <param name="logFileNamePrefix">The log file name prefix.</param>
public NlogManager(string logDirectory, string logFileNamePrefix)
{
LogDirectory = logDirectory;
LogFilePrefix = logFileNamePrefix;
}
private LogSeverity _severity = LogSeverity.Debug;
public LogSeverity LogSeverity
{
get
{
return _severity;
}
set
{
var changed = _severity != value;
_severity = value;
if (changed)
{
UpdateLogLevel(value);
}
}
}
private void UpdateLogLevel(LogSeverity newLevel)
{
var level = GetLogLevel(newLevel);
var rules = LogManager.Configuration.LoggingRules;
foreach (var rule in rules)
{
if (!rule.IsLoggingEnabledForLevel(level))
{
rule.EnableLoggingForLevel(level);
}
}
}
/// <summary>
/// Adds the file target.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="level">The level.</param>
private void AddFileTarget(string path, LogSeverity level)
{
var logFile = new FileTarget
{
FileName = path,
Layout = "${longdate}, ${level}, ${logger}, ${message}"
};
RemoveTarget("ApplicationLogFile");
logFile.Name = "ApplicationLogFile";
AddLogTarget(logFile, level);
}
/// <summary>
/// Adds the log target.
/// </summary>
/// <param name="target">The target.</param>
/// <param name="level">The level.</param>
public void AddLogTarget(Target target, LogSeverity level)
{
var config = LogManager.Configuration;
config.AddTarget(target.Name, target);
var rule = new LoggingRule("*", GetLogLevel(level), target);
config.LoggingRules.Add(rule);
LogManager.Configuration = config;
}
/// <summary>
/// Removes the target.
/// </summary>
/// <param name="name">The name.</param>
public void RemoveTarget(string name)
{
var config = LogManager.Configuration;
var target = config.FindTargetByName(name);
if (target != null)
{
foreach (var rule in config.LoggingRules.ToList())
{
var contains = rule.Targets.Contains(target);
rule.Targets.Remove(target);
if (contains)
{
config.LoggingRules.Remove(rule);
}
}
config.RemoveTarget(name);
LogManager.Configuration = config;
}
}
/// <summary>
/// Gets the logger.
/// </summary>
/// <param name="name">The name.</param>
/// <returns>ILogger.</returns>
public ILogger GetLogger(string name)
{
return new NLogger(name);
}
/// <summary>
/// Gets the log level.
/// </summary>
/// <param name="severity">The severity.</param>
/// <returns>LogLevel.</returns>
/// <exception cref="System.ArgumentException">Unrecognized LogSeverity</exception>
private LogLevel GetLogLevel(LogSeverity severity)
{
switch (severity)
{
case LogSeverity.Debug:
return LogLevel.Debug;
case LogSeverity.Error:
return LogLevel.Error;
case LogSeverity.Fatal:
return LogLevel.Fatal;
case LogSeverity.Info:
return LogLevel.Info;
case LogSeverity.Warn:
return LogLevel.Warn;
default:
throw new ArgumentException("Unrecognized LogSeverity");
}
}
/// <summary>
/// Reloads the logger.
/// </summary>
/// <param name="level">The level.</param>
public void ReloadLogger(LogSeverity level)
{
LogFilePath = Path.Combine(LogDirectory, LogFilePrefix + "-" + decimal.Round(DateTime.Now.Ticks / 10000000) + ".log");
AddFileTarget(LogFilePath, level);
LogSeverity = level;
if (LoggerLoaded != null)
{
Task.Run(() =>
{
try
{
LoggerLoaded(this, EventArgs.Empty);
}
catch (Exception ex)
{
GetLogger("Logger").ErrorException("Error in LoggerLoaded event", ex);
}
});
}
}
}
}
|
