/// <summary>
/// Writes the internal.
/// </summary>
/// <param name="level">The level.</param>
/// <param name="message">The message.</param>
private void WriteInternal(LogLevel level, string message)
{
if (!_level.HasFlag(level))
{
return;
}
var type = LevelToEventLogEntryType(level);
if (message.Length > MaximumPayloadLengthChars)
{
message = message.Substring(0, MaximumPayloadLengthChars);
}
_log.WriteEntry(message, type, _eventIdProvider.ComputeEventId(message));
}
/// <summary>
/// Emit the provided log event to the sink.
/// </summary>
/// <param name="logEvent">The log event to write.</param>
/// <remarks>
/// <see cref="LogEventLevel.Debug" />, <see cref="LogEventLevel.Information" /> and <see cref="LogEventLevel.Verbose" /> are registered as <see cref="EventLogEntryType.Information" />.
/// <see cref="LogEventLevel.Error" />, <see cref="LogEventLevel.Fatal" /> are registered as <see cref="EventLogEntryType.Error" />.
/// <see cref="LogEventLevel.Warning" /> are registered as <see cref="EventLogEntryType.Warning" />.
/// The Event ID in the Windows log will be set to the integer value of the <paramref name="logEvent"/>'s <see cref="LogEvent.Level"/> property, so that the log can be filtered with more granularity.</remarks>
public void Emit(LogEvent logEvent)
{
if (logEvent == null)
{
throw new ArgumentNullException(nameof(logEvent));
}
var type = LevelToEventLogEntryType(logEvent.Level);
var payloadWriter = new StringWriter();
_textFormatter.Format(logEvent, payloadWriter);
// The payload is limited in length and allowed chars, see: https://msdn.microsoft.com/en-us/library/e29k5ebc%28v=vs.110%29.aspx
var payload = payloadWriter.ToString();
if (payload.Length > MaximumPayloadLengthChars)
{
SelfLog.WriteLine("Trimming long event log entry payload to {0} characters", MaximumPayloadLengthChars);
payload = payload.Substring(0, MaximumPayloadLengthChars);
}
_log.WriteEntry(payload, type, _eventIdProvider.ComputeEventId(logEvent));
}
