/// <summary>
/// Writes a message to the logger
/// </summary>
/// <param name="level">Logging level</param>
/// <param name="format">Message format, compatible with String.Format()</param>
/// <param name="args">Arguments used to format the message</param>
public void WriteLine(LogLevel level, string format, params object[] args)
{
// ticks to be compared for displaying time diff
long ticks = DateTime.Now.Ticks;
// get calling method
MethodBase method = new StackFrame((int)SkipFrames).GetMethod();
string methodName;
// format method as "<enclosing type>::<method name>"
if (!ReferenceEquals(null, method))
{
methodName = $"{method.DeclaringType.Name}.{method.Name}";
}
else
{
methodName = "????";
}
// format message as "[<milliseconds diff> <level> <method>] <message>"
string msg = String.Format("[{0:00.0000} {1} {2}] {3}",
TimeSpan.FromTicks(previousTicks == -1 ? 0 : ticks - previousTicks).TotalSeconds, // zero if no previous tick count is set, otherwise the difference of ticks
level.ToShortString(),
methodName,
String.Format(format, args)) + Environment.NewLine;
// update ticks for next message
previousTicks = ticks;
// write message to console
Console.ForegroundColor = level.GetAssociatedConsoleColor();
Console.Write(msg);
// write message to each stream
this.Streams.ForEach(stream => {
stream.Write(Encoding.UTF8.GetBytes(msg), 0, msg.Length);
stream.FlushAsync();
});
}
/// <summary>
/// Logs an object or message with the specified level
/// </summary>
/// <param name="level">Logging level</param>
/// <param name="obj">Object to be logged</param>
/// <param name="methodName">Method name to be shown</param>
/// <param name="filePath">File path</param>
/// <param name="lineNumber">Line number</param>
private void WriteLine(
LogLevel level,
object obj,
string methodName,
string filePath,
int lineNumber)
{
// format line
string line =
$"{Path.GetFileName(filePath)?.Replace(".cs", ""),25}{(lineNumber != 0 ? ':' + lineNumber.ToString() : ""),-4} {methodName,-15} {level.ToString().ToLower(),7}: {obj}" +
Environment.NewLine;
// write to console
Console.ForegroundColor = level.GetAssociatedConsoleColor();
Console.Write(line);
// write to the rest of streams
byte[] bytes = Encoding.UTF8.GetBytes(line);
foreach (Stream stream in Streams)
{
stream.Write(bytes, 0, bytes.Length);
}
}
