public override FilterDecision Decide(LoggingEvent loggingEvent)
{
Exception ex = loggingEvent.ExceptionObject ?? DefaultException;
bool fileSkipped = FileWatcherEngine.IsFileSkippedException(ex);
if (m_excludeFileSkippedExceptions && fileSkipped)
{
return(FilterDecision.Deny);
}
if (m_excludeEverythingElse && !fileSkipped)
{
return(FilterDecision.Deny);
}
return(FilterDecision.Neutral);
}
protected override void Append(LoggingEvent loggingEvent)
{
object threadID;
object meterKey;
string renderedMessage;
Exception ex;
UpdateType updateType;
// If the service helper has been disposed,
// do not log the event
if ((object)m_serviceHelper == null)
{
return;
}
// Determine the update type based on the log level
if (loggingEvent.Level.Value >= Level.Error.Value)
{
updateType = UpdateType.Alarm;
}
else if (loggingEvent.Level.Value >= Level.Warn.Value)
{
updateType = UpdateType.Warning;
}
else if (loggingEvent.Level.Value >= Level.Info.Value)
{
updateType = UpdateType.Information;
}
else
{
return;
}
// Determine the thread ID from the thread's context
threadID = Thread.CurrentThread.ManagedThreadId;
meterKey = ThreadContext.Properties["Meter"];
// Get the message and exception object
renderedMessage = loggingEvent.RenderedMessage;
ex = loggingEvent.ExceptionObject;
// If the user didn't supply a message,
// attempt to use the exception message instead
if (string.IsNullOrEmpty(renderedMessage))
{
renderedMessage = loggingEvent.GetExceptionString();
}
// Do not log FileSkippedExceptions
// to the error log or the status log
if (FileWatcherEngine.IsFileSkippedException(ex))
{
if (meterKey == null)
{
m_serviceHelper.UpdateStatus(updateType, false, "[{0}] {1}{2}", threadID, renderedMessage, Environment.NewLine);
}
else
{
m_serviceHelper.UpdateStatus(updateType, false, "[{0}] {{{1}}} {2}{3}", threadID, meterKey, renderedMessage, Environment.NewLine);
}
return;
}
// If the event was an exception event,
// also log to the service helper's error log
if ((object)ex != null)
{
if ((object)m_serviceHelper.ErrorLogger != null)
{
m_serviceHelper.ErrorLogger.Log(ex);
}
if (string.IsNullOrEmpty(renderedMessage))
{
renderedMessage = ex.Message;
}
}
// Send the message to clients via the service helper
if (string.IsNullOrEmpty(renderedMessage))
{
m_serviceHelper.UpdateStatusAppendLine(updateType, "");
}
else if (meterKey == null)
{
m_serviceHelper.UpdateStatusAppendLine(updateType, "[{0}] {1}", threadID, renderedMessage);
}
else
{
m_serviceHelper.UpdateStatusAppendLine(updateType, "[{0}] {{{1}}} {2}", threadID, meterKey, renderedMessage);
}
}