public bool Log(LogLevel logLevel, Func <string> messageFunc, Exception exception,
params object[] formatParameters)
{
if (messageFunc == null)
{
return(true);
}
messageFunc = LogMessageFormatter.SimulateStructuredLogging(messageFunc, formatParameters);
_logWriteDelegate(ToLogMessageSeverity(logLevel), LogSystem, _skipLevel, exception, true, 0, null,
_category, null, messageFunc.Invoke());
return(true);
}
public bool Log(LogLevel logLevel, Func <string> messageFunc, Exception exception,
params object[] formatParameters)
{
if (!Initialized.Value)
{
throw new LibLogException(ErrorInitializingProvider, s_initializeException);
}
if (messageFunc == null)
{
return(IsLogLevelEnable(logLevel));
}
if (s_logEventInfoFact != null)
{
if (IsLogLevelEnable(logLevel))
{
var formatMessage = messageFunc();
if (!s_structuredLoggingEnabled)
{
formatMessage =
LogMessageFormatter.FormatStructuredMessage(formatMessage,
formatParameters,
out _);
formatParameters = null; // Has been formatted, no need for parameters
}
var callsiteLoggerType = typeof(NLogLogger);
// Callsite HACK - Extract the callsite-logger-type from the messageFunc
var methodType = messageFunc.Method.DeclaringType;
if (methodType == typeof(LogExtensions) ||
methodType != null && methodType.DeclaringType == typeof(LogExtensions))
{
callsiteLoggerType = typeof(LogExtensions);
}
else if (methodType == typeof(LoggerExecutionWrapper) || methodType != null &&
methodType.DeclaringType == typeof(LoggerExecutionWrapper))
{
callsiteLoggerType = typeof(LoggerExecutionWrapper);
}
var nlogLevel = TranslateLevel(logLevel);
var nlogEvent = s_logEventInfoFact(_logger.Name, nlogLevel, formatMessage, formatParameters,
exception);
_logger.Log(callsiteLoggerType, nlogEvent);
return(true);
}
return(false);
}
messageFunc = LogMessageFormatter.SimulateStructuredLogging(messageFunc, formatParameters);
if (exception != null)
{
return(LogException(logLevel, messageFunc, exception));
}
switch (logLevel)
{
case LogLevel.Debug:
if (_logger.IsDebugEnabled)
{
_logger.Debug(messageFunc());
return(true);
}
break;
case LogLevel.Info:
if (_logger.IsInfoEnabled)
{
_logger.Info(messageFunc());
return(true);
}
break;
case LogLevel.Warn:
if (_logger.IsWarnEnabled)
{
_logger.Warn(messageFunc());
return(true);
}
break;
case LogLevel.Error:
if (_logger.IsErrorEnabled)
{
_logger.Error(messageFunc());
return(true);
}
break;
case LogLevel.Fatal:
if (_logger.IsFatalEnabled)
{
_logger.Fatal(messageFunc());
return(true);
}
break;
default:
if (_logger.IsTraceEnabled)
{
_logger.Trace(messageFunc());
return(true);
}
break;
}
return(false);
}