public static LoggerSetup GetLoggerSetup(string configFile)
{
LoggerSetup result = new LoggerSetup();
if (File.Exists(configFile))
{
try
{
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.Load(configFile);
XmlNode loggerSetupNode = xmlDocument.SelectSingleNode("descendant-or-self::LoggerSetup");
if (loggerSetupNode != null)
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(LoggerSetup));
using (StringReader stringReader = new StringReader(loggerSetupNode.OuterXml))
{
result = (LoggerSetup)xmlSerializer.Deserialize(stringReader);
}
}
}
catch (Exception e)
{
InternalLogger.Log(e);
}
}
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="MutexMultiProcessFileAppender" /> class.
/// </summary>
/// <param name="filename">File to write.</param>
/// <param name="loggerSetup">Log setup.</param>
public MutexMultiProcessFileAppender(string filename, LoggerSetup loggerSetup)
{
try
{
this._fileName = Path.GetFullPath(filename);
this._fileInfo = new FileInfo(this._fileName);
this._loggerSetup = loggerSetup;
this._mutex = this.CreateSharedMutex(this.GetMutexName(this._fileName));
this.OpenTime = DateTime.Now;
this.LastWriteTime = DateTime.MinValue;
}
catch (Exception e)
{
if (this._mutex != null)
{
this._mutex.Close();
this._mutex = null;
}
InternalLogger.Log(e);
throw;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Logger" /> class.
/// </summary>
/// <param name="logFile">Log file.</param>
/// <param name="loggerSetup">Log setup.</param>
internal Logger(string logFile, LoggerSetup loggerSetup)
{
this._logFile = logFile;
this._loggerSetup = loggerSetup;
if (this._loggerSetup.WriteToFile)
{
try
{
this._fileAppender = new MutexMultiProcessFileAppender(this._logFile, this._loggerSetup);
}
catch (Exception e)
{
InternalLogger.Log(e);
}
}
if (this._loggerSetup.WriteToFile && this._fileAppender != null)
{
this._queueWaitHandle = new AutoResetEvent(false);
this._queue = new Queue <string>();
this._consumerThread = new Thread(this.ConsumerThread);
this._consumerThread.IsBackground = true;
this._consumerThread.Start();
}
}
internal Logger(string logFile, LoggerSetup loggerSetup, string configFile)
{
this._logFile = logFile;
this._loggerSetup = loggerSetup;
this._queueWaitHandle = new AutoResetEvent(false);
this._queue = new Queue <string>();
this._consumerThread = new Thread(this.ConsumerThread);
this._consumerThread.IsBackground = true;
this._consumerThread.Start();
if (!this.IsNullOrWhiteSpace(configFile))
{
this._configFile = LogConfigManager.GetFileFullPath(configFile);
try
{
this._configFileWatcher = new FileSystemWatcher(Path.GetDirectoryName(this._configFile), Path.GetFileName(this._configFile));
this._configFileWatcher.EnableRaisingEvents = true;
this._configFileWatcher.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName;
this._configFileWatcher.Changed += (s, e) => this._isConfigFileChanged = true;
this._configFileWatcher.Created += (s, e) => this._isConfigFileChanged = true;
this._configFileWatcher.Deleted += (s, e) => this._isConfigFileChanged = true;
this._configFileWatcher.Renamed += (s, e) => this._isConfigFileChanged = true;
}
catch (Exception e)
{
InternalLogger.Log(e);
}
}
this.InitFileAppender();
this.WatchConfigFileChanged();
}
/// <summary>
/// Initializes a new instance of the <see cref="MutexMultiProcessFileAppender" /> class.
/// </summary>
/// <param name="filename">File to write.</param>
/// <param name="loggerSetup">Log setup.</param>
public MutexMultiProcessFileAppender(string filename, LoggerSetup loggerSetup)
{
try
{
this._fileName = LogConfigManager.GetFileFullPath(filename);
this._directoryName = Path.GetDirectoryName(this._fileName);
this._fileInfo = new FileInfo(this._fileName);
this._loggerSetup = loggerSetup;
this._mutex = this.CreateSharedMutex(this.GetMutexName(this._fileName));
}
catch (Exception e)
{
if (this._mutex != null)
{
this._mutex.Close();
this._mutex = null;
}
InternalLogger.Log(e);
throw;
}
}
/// <summary>
/// Opens the log file for the current application.
/// </summary>
/// <param name="logFile">Log file for the current application; if null or string.Empty use the default log file.</param>
/// <param name="loggerSetup">LoggerSetup info for the logger instance; if null use the default LoggerSetup info.</param>
/// <returns>Logger instance.</returns>
public static Logger Open(string logFile, LoggerSetup loggerSetup)
{
LogConfig logConfig = new LogConfig();
if (!string.IsNullOrEmpty(logFile))
{
logConfig.LogFile = logFile;
}
if (loggerSetup != null)
{
logConfig.LoggerSetup = loggerSetup;
}
int key = logConfig.GetHashCode();
Lock.AcquireReaderLock(Timeout.Infinite);
try
{
if (LoggerDictionary.ContainsKey(key))
{
return(LoggerDictionary[key]);
}
else
{
LockCookie lockCookie = Lock.UpgradeToWriterLock(Timeout.Infinite);
try
{
if (LoggerDictionary.ContainsKey(key))
{
return(LoggerDictionary[key]);
}
else
{
Logger result = new Logger(logConfig);
LoggerDictionary.Add(key, result);
return(result);
}
}
finally
{
Lock.DowngradeFromWriterLock(ref lockCookie);
}
}
}
finally
{
Lock.ReleaseReaderLock();
}
}
/// <summary>
/// Watches config file changed.
/// </summary>
private void WatchConfigFileChanged()
{
if (this._isConfigFileChanged)
{
this._loggerSetup = LogConfigManager.GetLoggerSetup(this._configFile);
this.InitFileAppender();
this._isConfigFileChanged = false;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="LoggerSetup"/> class.
/// </summary>
/// <param name="loggerSetup">The logger setup.</param>
private LoggerSetup(LoggerSetup loggerSetup)
{
this.DateTimeFormat = loggerSetup.DateTimeFormat;
this.Level = loggerSetup.Level;
this.WriteToConsole = loggerSetup.WriteToConsole;
this.WriteToFile = loggerSetup.WriteToFile;
this.UseBracket = loggerSetup.UseBracket;
this.EnableStackInfo = loggerSetup.EnableStackInfo;
this.RollingFileSizeMBLimit = loggerSetup.RollingFileSizeMBLimit;
this.RollingFileCountLimit = loggerSetup.RollingFileCountLimit;
this.RollingByDate = loggerSetup.RollingByDate;
}
public static LoggerSetup GetLoggerSetup(string configFile, bool throwOnError = false)
{
if (string.IsNullOrEmpty(configFile) && throwOnError)
{
throw new ArgumentNullException("configFile", "The specified file name is null or empty.");
}
LoggerSetup result = new LoggerSetup();
if (File.Exists(configFile))
{
try
{
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.Load(configFile);
XmlNode loggerSetupNode = xmlDocument.SelectSingleNode("descendant-or-self::LoggerSetup");
if (loggerSetupNode != null)
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(LoggerSetup));
using (StringReader stringReader = new StringReader(loggerSetupNode.OuterXml))
{
result = (LoggerSetup)xmlSerializer.Deserialize(stringReader);
}
}
}
catch (Exception e)
{
InternalLogger.Log(e);
if (throwOnError)
{
throw;
}
}
}
else
{
if (throwOnError)
{
throw new FileNotFoundException("The specified file does not exist.", configFile);
}
}
return(result);
}
/// <summary>
/// Opens the log file for the current application.
/// </summary>
/// <param name="logFile">Log file for the current application; if null or string.Empty use the default log file.</param>
/// <param name="loggerSetup">LoggerSetup info for the logger instance; if null use the default LoggerSetup info.</param>
/// <returns>Logger instance.</returns>
public static Logger Open(string logFile, LoggerSetup loggerSetup)
{
LogConfig logConfig = new LogConfig();
if (!string.IsNullOrEmpty(logFile))
{
logConfig.LogFile = logFile;
}
if (loggerSetup != null)
{
logConfig.LoggerSetup = loggerSetup;
}
int key = logConfig.GetHashCode();
if (LoggerDictionary.ContainsKey(key))
{
return(LoggerDictionary[key]);
}
lock (SyncRoot)
{
if (LoggerDictionary.ContainsKey(key))
{
return(LoggerDictionary[key]);
}
else
{
Logger result = new Logger(logConfig);
LoggerDictionary.Add(key, result);
return(result);
}
}
}
