public string FormatEvent(EventRecord eventRecord, out string eventType, out string eventText, int formatVersion = 0)
{
eventType = null;
eventText = null;
string s = null;
// Check if this is a special event from EventSource which contains manifest
if (ProcessEventSourceEvent(eventRecord))
{
// Stop further processing for this event, we don't want it to be displayed as well so return null
return(null);
}
if (ManifestCache.IsStringEvent(eventRecord))
{
s = EventFormatter.FormatStringEvent(formatVersion, eventRecord, out eventType, out eventText);
}
if (s == null)
{
ProviderDefinition providerDef;
if (this.providers.TryGetValue(eventRecord.EventHeader.ProviderId, out providerDef))
{
s = providerDef.FormatEvent(eventRecord, out eventType, out eventText, formatVersion);
}
}
return(s);
}
internal static string FormatEvent(FormatVersion formatVersion, IFormatProvider provider, EventRecord eventRecord, string eventSourceName, string eventLevel, string eventTaskName, string opcodeName, string keywordsName, string type, string text)
{
switch (formatVersion)
{
case FormatVersion.TaskBasedFormatting:
{
return(string.Format(
provider,
"{0},{1},{2},{3},{4}.{5},{6}",
EventFormatter.FormatTimeStamp(provider, eventRecord.EventHeader.TimeStamp),
eventLevel,
eventRecord.EventHeader.ThreadId,
eventRecord.EventHeader.ProcessId,
eventTaskName,
type,
text));
}
case FormatVersion.EventSourceBasedFormatting:
{
return(string.Format(
provider,
"{0},{1},{2},{3},{4}.{5},{6}",
EventFormatter.FormatTimeStamp(provider, eventRecord.EventHeader.TimeStamp),
eventLevel,
eventRecord.EventHeader.ThreadId,
eventRecord.EventHeader.ProcessId,
eventSourceName,
type,
text));
}
default:
{
return(string.Format(
provider,
"{0},{1},{2},{3},{4},{5},{6},{7},{8},{9},{10},{11}",
EventFormatter.FormatTimeStamp(provider, eventRecord.EventHeader.TimeStamp),
eventRecord.EventHeader.ThreadId,
eventRecord.EventHeader.ProcessId,
eventRecord.EventHeader.EventDescriptor.Id,
eventRecord.EventHeader.ActivityId,
GetRelatedActivityId(eventRecord),
eventLevel,
String.IsNullOrEmpty(eventTaskName) ?
eventRecord.EventHeader.EventDescriptor.Task.ToString(provider) :
eventTaskName,
String.IsNullOrEmpty(opcodeName) ?
eventRecord.EventHeader.EventDescriptor.Opcode.ToString(provider) :
opcodeName,
String.IsNullOrEmpty(keywordsName) ?
eventRecord.EventHeader.EventDescriptor.Keyword.ToString("X", provider) :
keywordsName,
type,
text));
}
}
}
internal static string FormatStringEvent(int formatVersion, EventRecord eventRecord, out string eventType, out string eventText)
{
ApplicationDataReader reader = new ApplicationDataReader(eventRecord.UserData, eventRecord.UserDataLength);
string text = reader.ReadUnicodeString();
string levelString;
switch (eventRecord.EventHeader.EventDescriptor.Level)
{
case 2:
levelString = "Error";
break;
case 3:
levelString = "Warning";
break;
case 4:
levelString = "Informational";
break;
case 5:
levelString = "Verbose";
break;
default:
levelString = "Unknown";
break;
}
eventText = text;
string taskName;
switch (formatVersion)
{
case 0:
{
eventType = eventRecord.EventHeader.ProviderId.ToString(string.Empty);
taskName = StringEventTaskName;
}
break;
default:
{
eventType = String.Empty;
taskName = String.Empty;
}
break;
}
return(EventFormatter.FormatEvent((EventFormatter.FormatVersion)formatVersion, CultureInfo.InvariantCulture, eventRecord, null, levelString, taskName, String.Empty, String.Empty, eventType, text));
}
private static string FormatTimeStamp(IFormatProvider provider, long fileTime)
{
DateTime timestamp = DateTime.FromFileTimeUtc(fileTime);
return(EventFormatter.FormatTimeStamp(provider, timestamp));
}
internal string FormatEvent(EventStack stack, EventRecord eventRecord, ValueMaps valueMaps, out string eventType, out string eventText, int formatVersion)
{
try
{
// This inefficient code is only a placeholder
// once we make it work on all primitive types this will be
// pre-compiled Linq Expression EventRecord->String
ApplicationDataReader reader = new ApplicationDataReader(eventRecord.UserData, eventRecord.UserDataLength);
eventType = this.eventName;
string type = this.originalEventName;
string id = string.Empty;
string[] values = new string[fields.Count];
for (int i = 0; i < this.fields.Count; i++)
{
FieldDefinition fieldDef = this.fields[i];
values[i] = fieldDef.FormatField(CultureInfo.InvariantCulture, reader, valueMaps);
}
if (this.isParentEvent)
{
for (int i = this.fields.Count - 1; i >= 0; i--)
{
if (this.fields[i].IsContextField)
{
values[i] = stack.Pop(eventRecord.EventHeader.ProcessId, eventRecord.EventHeader.ThreadId, values[i], this.firstContextFieldIndex == i);
if (values[i] == null)
{
values[i] = " !!!Context Data Not Found!!! ";
}
}
}
}
if (this.typeFieldIndex != -1)
{
type = eventType = values[typeFieldIndex];
}
eventText = FormatWithFieldValues(values, out id);
if (id.Length > 0)
{
type += "@" + id;
}
if (this.isChildEvent)
{
stack.Push(eventRecord.EventHeader.ProcessId, eventRecord.EventHeader.ThreadId, values[0], eventText);
return(null);
}
return(EventFormatter.FormatEvent(
string.IsNullOrEmpty(this.eventSourceName) ? (EventFormatter.FormatVersion)formatVersion : EventFormatter.FormatVersion.EventSourceBasedFormatting,
CultureInfo.InvariantCulture,
eventRecord,
this.eventSourceName,
this.level,
this.taskName,
this.opcodeName,
this.keywordsName,
type,
eventText));
}
catch (Exception e)
{
throw new InvalidDataException(
string.Format(CultureInfo.InvariantCulture, "Unable to parse event {0}.{1} id {2} eventsource {3}", this.TaskName, this.EventName, this.id, this.eventSourceName),
e);
}
}