static string DefaultEventDataItemFormatter(EventDataItem logItem)
{
string htmlMessage = logItem.HtmlMessage.Replace("\n", "");
return(String.Format("l2\ttime\t{0:s}\tcode\t{1}\tmessage\t{2}",
logItem.EventTimeUtc,
logItem.EventCode,
htmlMessage));
}
void WriteEventDataItem(EventDataItem logItem, LogCategory category, ReaderWriterLock lockObject,
EventDataItemFormatter formatter)
{
if (logItem == null)
{
throw new ArgumentNullException("logItem");
}
if (lockObject == null)
{
throw new ArgumentNullException("lockObject");
}
if (formatter == null)
{
throw new ArgumentNullException("formatter");
}
try
{
//using (Impersonation.Impersonate())
{
// Archive last day's log files.
if (!File.Exists(String.Format("{0}.zip", GetLogPath(logItem.EventTimeUtc, LogCategory.Event))))
{
ArchiveLogFiles(logItem.EventTimeUtc.AddDays(-1));
}
lockObject.AcquireWriterLock(TimeSpan.FromMilliseconds(250));
using (StreamWriter writer = new StreamWriter(GetLogPath(logItem.EventTimeUtc, category), true))
{
writer.WriteLine(formatter(logItem));
}
}
}
catch (Exception e)
{
ErrorTrace.Trace(TraceLevel.Error, e);
}
finally
{
if (lockObject.IsWriterLockHeld)
{
lockObject.ReleaseWriterLock();
}
}
}
static EventDataItemCollection ParseEventDataItems(string logText)
{
EventDataItemCollection result = new EventDataItemCollection();
MatchCollection matches = _eventDataItemParser.Matches(logText);
if (matches != null)
{
foreach (Match match in matches)
{
EventDataItem item = new EventDataItem();
item.EventTimeUtc = DateTime.Parse(match.Groups["time"].Value);
item.EventCode = Int32.Parse(match.Groups["code"].Value);
item.HtmlMessage = match.Groups["message"].Value;
result.Add(item);
}
}
return(result);
}
void ILoggingDataService.AddEvent(EventDataItem eventData)
{
ThreadPool.QueueUserWorkItem(new WaitCallback(AddEventDataItemWorker),
new WriterThreadParams <EventDataItem>(eventData, LogCategory.Event, _eventLock));
}