private static LoggerOptionsAttribute GetCallingMethodOptions(string customCategory)
{
StackFrame[] frames = new StackTrace(2).GetFrames();
int hashCode = frames.Aggregate(0, (v, a) => v ^ a.GetMethod().GetHashCode() + 13);
ConcurrentDictionary <MethodBase, LoggerOptionsAttribute> dictionary = attributeCaches.EnsureKeyValue(hashCode);
LoggerOptionsAttribute attribute = dictionary.EnsureKeyValue(frames[0].GetMethod(), () => GetCallingMethodOptions(dictionary, frames));
attribute = attribute.Clone();
attribute.Category = customCategory ?? attribute.Category ?? "General";
return(attribute);
}
private static void WriteLog(LoggerEventType eventType, LoggerOptionsAttribute options, string message)
{
LoggerTarget targets = options.GetTargets(eventType);
if (targets.HasFlag(LoggerTarget.Console))
{
ConsoleColor originalColor = Console.ForegroundColor;
try {
Console.ForegroundColor = GetConsoleColor(eventType);
Console.WriteLine(message);
} finally {
Console.ForegroundColor = originalColor;
}
}
if (targets.HasFlag(LoggerTarget.EntLib))
{
try {
LogEntry entry = new LogEntry();
entry.Message = message;
entry.Priority = 10 - (int)eventType;
entry.Severity = GetTraceEventType(eventType);
entry.EventId = -1;
if (!String.IsNullOrEmpty(options.Category))
{
entry.Categories.Add(options.Category);
}
EntLibLogger.Write(entry);
} catch { }
}
if (targets.HasFlag(LoggerTarget.UlsLog))
{
SPDiagnosticsCategory dCat = new SPDiagnosticsCategory(options.Category, GetTraceSeverity(eventType), GetEventSeverity(eventType));
SPDiagnosticsService.Local.WriteTrace(0, dCat, GetTraceSeverity(eventType), message);
}
if (targets.HasFlag(LoggerTarget.EventLog))
{
if (!EventLog.SourceExists(options.Category))
{
EventLog.CreateEventSource(options.Category, options.Category);
while (!EventLog.SourceExists(options.Category))
{
Thread.Sleep(100);
}
}
EventLog.WriteEntry(options.Category, message, GetEventLogEntryType(eventType), 0);
}
}