/// <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="configFile">Configuration file which contains LoggerSetup info; if null or string.Empty use the default configuration file.</param>
/// <param name="throwOnError">true to throw any exception that occurs.-or- false to ignore any exception that occurs.</param>
/// <returns>Logger instance.</returns>
public static Logger Open(string logFile, string configFile, bool throwOnError = false)
{
LogConfig logConfig = new LogConfig();
if (!string.IsNullOrEmpty(logFile))
{
logConfig.LogFile = logFile;
}
logConfig.LoggerSetup = LogConfigManager.GetLoggerSetup(configFile, throwOnError);
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);
}
}
}
/// <summary>
/// Opens the log configuration file for the current application.
/// </summary>
/// <param name="configFile">Configuration file which contains LogConfig info; if null or string.Empty use the default configuration file.</param>
/// <param name="throwOnError">true to throw any exception that occurs.-or- false to ignore any exception that occurs.</param>
/// <returns>Logger instance.</returns>
public static Logger OpenConfig(string configFile = null, bool throwOnError = false)
{
LogConfig logConfig = LogConfigManager.GetLogConfig(configFile, throwOnError);
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);
}
}
}
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>
/// Watches config file changed.
/// </summary>
private void WatchConfigFileChanged()
{
if (this._isConfigFileChanged)
{
this._loggerSetup = LogConfigManager.GetLoggerSetup(this._configFile);
this.InitFileAppender();
this._isConfigFileChanged = false;
}
}
/// <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="configFile">Configuration file which contains LoggerSetup info; if null or string.Empty use the default configuration file.</param>
/// <returns>Logger instance.</returns>
public static Logger Open(string logFile, string configFile)
{
LogConfig logConfig = new LogConfig();
if (!string.IsNullOrEmpty(logFile))
{
logConfig.LogFile = logFile;
}
logConfig.LoggerSetup = LogConfigManager.GetLoggerSetup(configFile);
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>
/// Serves as a hash function for LogConfig instance.
/// </summary>
/// <returns>A hash code for the current LogConfig.</returns>
public override int GetHashCode()
{
return(string.Format(
"{0}|{1}|{2}|{3}|{4}|{5}|{6}|{7}|{8}|{9}",
LogConfigManager.GetFileFullPath(this.LogFile).ToLowerInvariant(),
this.LoggerSetup.DateTimeFormat ?? string.Empty,
this.LoggerSetup.Level.ToString(),
this.LoggerSetup.WriteToConsole.ToString(),
this.LoggerSetup.WriteToFile.ToString(),
this.LoggerSetup.UseBracket.ToString(),
this.LoggerSetup.EnableStackInfo.ToString(),
this.LoggerSetup.RollingFileSizeLimit.ToString(),
this.LoggerSetup.RollingFileCountLimit.ToString(),
this.LoggerSetup.RollingByDate.ToString()).GetHashCode());
}
