void TraceEventLogEvent(EventLogTraceEvent traceEvent)
{
string formatMessage = "";
using (StringWriter writer = new StringWriter())
using (XmlTextWriter xmlwriter = new XmlTextWriter(writer))
{
xmlwriter.Formatting = Formatting.Indented;
XmlSerializerNamespaces xmlnsEmpty = new XmlSerializerNamespaces();
xmlnsEmpty.Add("", "");
XmlSerializer serializer = new XmlSerializer(typeof(EventLogTraceEvent));
serializer.Serialize(xmlwriter, traceEvent, xmlnsEmpty);
formatMessage = writer.ToString();
}
TraceEvent(traceEvent.EventType, traceEvent.EventId, formatMessage);
}
EventLogTraceEvent CreateEventLogEntry(EventLogEntry entry, TraceEventType eventType, int eventId)
{
EventLogTraceEvent traceEvent = new EventLogTraceEvent();
traceEvent.Source = _traceSource.Name;
traceEvent.Timestamp = entry.TimeWritten.ToString("yyyy'-'MM'-'dd' 'HH':'mm':'ss");
traceEvent.MachineName = Environment.MachineName;
traceEvent.EventId = eventId;
traceEvent.EventType = eventType;
traceEvent.EventLogSource = entry.Source;
traceEvent.EventLogId = (int)(entry.InstanceId & 0x3fff);
traceEvent.EventLogType = entry.EntryType;
if (traceEvent.EventId == -1)
{
traceEvent.EventId = traceEvent.EventLogId;
}
if (traceEvent.EventType == 0)
{
traceEvent.EventType = TraceEventType.Information;
switch (entry.EntryType)
{
case EventLogEntryType.Error: traceEvent.EventType = TraceEventType.Error; break;
case EventLogEntryType.Warning: traceEvent.EventType = TraceEventType.Warning; break;
}
}
if (System.Environment.OSVersion.Version.Major >= 6)
{
if (entry.Message.IndexOf(" Event ID '" + entry.InstanceId.ToString() + "' ") == -1)
{
traceEvent.Message = entry.Message;
}
else
{
traceEvent.Message = GetEventLogItemMessage(_eventLog.MachineName, _eventLog.LogDisplayName, (uint)(int)entry.Index);
}
}
else
{
traceEvent.Message = entry.Message;
}
return(traceEvent);
}
void TraceCriticalEvent(string message)
{
EventLogTraceEvent traceEvent = new EventLogTraceEvent();
traceEvent.Message = message;
traceEvent.Source = _traceSource.Name;
traceEvent.Timestamp = DateTime.Now.ToString("yyyy'-'MM'-'dd' 'HH':'mm':'ss");
traceEvent.MachineName = Environment.MachineName;
traceEvent.EventId = -1;
traceEvent.EventType = TraceEventType.Critical;
if (_eventLog != null)
{
traceEvent.EventLogSource = _eventLog.Log;
}
traceEvent.EventLogId = -1;
traceEvent.EventLogType = EventLogEntryType.Error;
TraceEventLogEvent(traceEvent);
}
public TraceSource ConfigureProbe(string configName)
{
_traceSource = new TraceSource(configName);
StringDictionary attributes = _traceSource.Attributes; // Initialize TraceSource
NameValueCollection config = (NameValueCollection)ConfigurationManager.GetSection(configName);
if (config != null)
{
EventLogName = config["EventLogName"];
if (config["ProbeFrequency"] != null)
{
ProbeFrequency = TimeSpan.FromSeconds(Int32.Parse(config["ProbeFrequency"]));
}
foreach (string eventFilter in config.AllKeys)
{
if (!eventFilter.StartsWith("Filter"))
{
continue;
}
int filterIndex;
if (!int.TryParse(eventFilter.Substring(6), out filterIndex) || eventFilter != ("Filter" + filterIndex.ToString()))
{
continue;
}
string[] filterItems = config[eventFilter].Split('=').Select(f => f.Trim()).Where(f => !string.IsNullOrEmpty(f)).ToArray();
int eventId = -1;
TraceEventType eventType = 0;
if (filterItems.Length > 1)
{
foreach (string filterItem in filterItems[1].Split(','))
{
string traceResultItem = filterItem.Trim();
if (String.IsNullOrEmpty(traceResultItem))
{
continue;
}
try
{
eventId = Int32.Parse(traceResultItem);
}
catch (Exception exId)
{
try
{
eventType = (TraceEventType)Enum.Parse(typeof(TraceEventType), traceResultItem);
}
catch (Exception exType)
{
System.Diagnostics.Trace.WriteLine(_traceSource.Name + " failed to parse " + eventFilter + "=" + config[eventFilter]);
System.Diagnostics.Trace.WriteLine(_traceSource.Name + " - " + exId.Message);
System.Diagnostics.Trace.WriteLine(_traceSource.Name + " - " + exType.Message);
break;
}
}
}
}
string eventLogSource = null;
int eventLogId = -1;
EventLogEntryType eventLogType = 0;
if (filterItems.Length >= 1)
{
foreach (string filterItem in filterItems[0].Split(','))
{
string eventFilterItem = filterItem.Trim();
if (eventLogSource == null)
{
eventLogSource = eventFilterItem;
continue;
}
if (String.IsNullOrEmpty(eventFilterItem))
{
continue;
}
try
{
eventLogId = Int32.Parse(eventFilterItem);
}
catch (Exception exId)
{
try
{
eventLogType = (EventLogEntryType)Enum.Parse(typeof(EventLogEntryType), eventFilterItem);
}
catch (Exception exType)
{
System.Diagnostics.Trace.WriteLine(_traceSource.Name + " failed to parse " + eventFilter + "=" + config[eventFilter]);
System.Diagnostics.Trace.WriteLine(_traceSource.Name + " - " + exId.Message);
System.Diagnostics.Trace.WriteLine(_traceSource.Name + " - " + exType.Message);
eventLogSource = null;
break;
}
}
}
}
if (eventLogSource == null)
{
continue;
}
if (!_eventFilter.ContainsKey(eventLogSource))
{
_eventFilter.Add(eventLogSource, new List <EventLogTraceEvent>());
}
EventLogTraceEvent eventLogFilter = new EventLogTraceEvent();
eventLogFilter.EventId = eventId;
eventLogFilter.EventType = eventType;
eventLogFilter.EventLogSource = eventLogSource;
eventLogFilter.EventLogType = eventLogType;
eventLogFilter.EventLogId = eventLogId;
_eventFilter[eventLogSource].Add(eventLogFilter);
}
}
StartProbe(false);
return(_traceSource);
}