public bool Log(TcLogLevel logLevel, Func <string> messageFunc, Exception exception,
params object[] formatParameters)
{
if (messageFunc == null)
{
return(true);
}
messageFunc = LogMessageFormatter.SimulateStructuredLogging(messageFunc, formatParameters);
Write(logLevel, messageFunc(), exception);
return(true);
}
protected void Write(TcLogLevel logLevel, string message, Exception e = null)
{
var formattedMessage = MessageFormatter(_name, logLevel, message, e);
if (Colors.TryGetValue(logLevel, out var color))
{
var originalColor = System.Console.ForegroundColor;
try
{
System.Console.ForegroundColor = color;
System.Console.WriteLine(formattedMessage);
}
finally
{
System.Console.ForegroundColor = originalColor;
}
}
else
{
System.Console.WriteLine(formattedMessage);
}
}
public bool Log(TcLogLevel logLevel, Func <string> messageFunc, Exception exception = null, params object[] formatParameters)
{
if (messageFunc == null)
{
return(_logger(logLevel, null));
}
Func <string> wrappedMessageFunc = () =>
{
try
{
return(messageFunc());
}
catch (Exception ex)
{
Log(TcLogLevel.Error, () => FailedToGenerateLogMessage, ex);
}
return(null);
};
return(_logger(logLevel, wrappedMessageFunc, exception, formatParameters));
}
private static string MessageFormatter(string loggerName, TcLogLevel level, object message, Exception e)
{
var stringBuilder = new StringBuilder();
stringBuilder.Append(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture));
stringBuilder.Append(" ");
// Append a readable representation of the log level
stringBuilder.Append(("[" + level.ToString().ToUpper() + "]").PadRight(8));
stringBuilder.Append("(" + loggerName + ") ");
// Append the message
stringBuilder.Append(message);
// Append stack trace if there is an exception
if (e != null)
{
stringBuilder.Append(Environment.NewLine).Append(e.GetType());
stringBuilder.Append(Environment.NewLine).Append(e.Message);
stringBuilder.Append(Environment.NewLine).Append(e.StackTrace);
}
return(stringBuilder.ToString());
}
public bool IsLogLevelEnabled(TcLogLevel logLevel) => _logger(logLevel, null);
private static void LogFormat(this ITcLog logger, TcLogLevel logLevel, string message, params object[] args)
{
logger.Log(logLevel, message.AsFunc(), null, args);
}
