/// <summary>
/// Writes the supplied <see cref="LogEvent"/> to <see cref="System.Diagnostics.Trace"/>.
/// </summary>
/// <remarks>
/// <para>The <see cref="LogEvent.EventSeverity"/> is used to decide which <see cref="System.Diagnostics.Trace"/> method is called to log the event.</para>
/// </remarks>
/// <param name="logEvent">A <see cref="LogEvent"/> instance to write.</param>
protected override void WriteEventInternal(LogEvent logEvent)
{
if (logEvent == null)
{
throw new ArgumentNullException(nameof(logEvent));
}
var formattedMessage = _LogEventFormatter.FormatToString(logEvent) ?? String.Empty;
if (formattedMessage.Contains("{") || formattedMessage.Contains("}"))
{
formattedMessage = formattedMessage.Replace("{", "{{").Replace("}", "}}");
}
switch (logEvent.EventSeverity)
{
case LogEventSeverity.Information:
System.Diagnostics.Trace.TraceInformation(formattedMessage);
break;
case LogEventSeverity.Error:
System.Diagnostics.Trace.TraceError(formattedMessage);
break;
case LogEventSeverity.Warning:
System.Diagnostics.Trace.TraceWarning(formattedMessage);
break;
default:
System.Diagnostics.Trace.Write(formattedMessage, logEvent.EventSeverity.ToString());
break;
}
}
private object GetValueByName(string name)
{
switch (name)
{
case nameof(LogEvent.DateTime):
return(CurrentEvent.DateTime.DateTime);
case nameof(LogEvent.EventName):
return(Truncate(nameof(LogEvent.EventName), CurrentEvent.EventName ?? String.Empty));
case nameof(LogEvent.EventSeverity):
return(CurrentEvent.EventSeverity);
case nameof(LogEvent.EventType):
return(CurrentEvent.EventType);
case nameof(LogEvent.Exception):
return(CurrentEvent.Exception);
case nameof(LogEvent.Source):
return(Truncate(nameof(LogEvent.Source), CurrentEvent.Source ?? String.Empty));
case nameof(LogEvent.SourceLineNumber):
return(CurrentEvent.SourceLineNumber);
case nameof(LogEvent.SourceMethod):
return(Truncate(nameof(LogEvent.SourceMethod), CurrentEvent.SourceMethod));
case SourceColumn_SerialisedLogEvent:
return(Truncate(SourceColumn_SerialisedLogEvent, _LogEventFormatter.FormatToString(CurrentEvent)));
case SourceColumn_LogSeverityLevel:
return(Convert.ToInt32(CurrentEvent.EventSeverity, System.Globalization.CultureInfo.InvariantCulture));
default:
var properties = CurrentEvent.Properties;
if (properties.ContainsKey(name))
{
var retVal = properties[name] ?? String.Empty;
string retValStr = retVal as string;
if (retVal is string)
{
return(Truncate(name, retValStr));
}
else
{
return(retVal);
}
}
else
{
return(null);
}
}
}
protected override void WriteEventInternal(LogEvent logEvent)
{
if (logEvent == null)
{
return;
}
var label = (logEvent.EventName ?? $"{logEvent.EventSeverity.ToString()} {logEvent.EventType.ToString()} Log Event");
label = label.Substring(Math.Min(124, label.Length));
if (_Formatter == null)
{
_Queue.Send(logEvent, label);
}
else
{
_Queue.Send(_Formatter.FormatToString(logEvent), label);
}
}
protected override void WriteEventInternal(LogEvent logEvent)
{
if (logEvent == null)
{
throw new ArgumentNullException(nameof(logEvent));
}
string message = null;
if (_EventFormatter != null)
{
message = _EventFormatter.FormatToString(logEvent);
}
else
{
message = logEvent.EventName;
if (logEvent.Exception != null)
{
message = message += Environment.NewLine + logEvent.Exception.ToString();
}
}
if (message != null && message.Length > 32000)
{
int startIndex = 0;
int partCnt = 1;
while (startIndex < message.Length)
{
int partSize = Math.Min(30000, message.Length - startIndex);
_Log.WriteEntry(String.Format(System.Globalization.CultureInfo.InvariantCulture, Properties.Resources.SplitEventEntryPrefix, partCnt.ToString(System.Globalization.CultureInfo.InvariantCulture)) + Environment.NewLine + message.Substring(startIndex, partSize), LogEventToWindowsEventType(logEvent), logEvent.GetPropertyOrDefault("EventId", 0), logEvent.GetPropertyOrDefault <short>("CategoryId", LogEventToWindowsEventCategory(logEvent)), logEvent.GetPropertyOrDefault <byte[]>("RawData", null));
startIndex += partSize;
partCnt++;
}
}
else
{
_Log.WriteEntry(message, LogEventToWindowsEventType(logEvent), logEvent.GetPropertyOrDefault("EventId", 0), logEvent.GetPropertyOrDefault <short>("CategoryId", LogEventToWindowsEventCategory(logEvent)), logEvent.GetPropertyOrDefault <byte[]>("RawData", null));
}
}
/// <summary>
/// Writes the event to the console.
/// </summary>
/// <param name="logEvent">A <see cref="LogEvent"/> instance to write.</param>
protected override void WriteEventInternal(LogEvent logEvent)
{
if (logEvent == null)
{
throw new ArgumentNullException(nameof(logEvent));
}
System.Diagnostics.Debugger.Log(Convert.ToInt32(logEvent.EventSeverity, System.Globalization.CultureInfo.InvariantCulture), logEvent.EventType.ToString(), _LogEventFormatter.FormatToString(logEvent));
}
