public static FilterAll All(IEnumerable <Filter> filters)
{
var result = new FilterAll();
result.AddRange(filters);
return(result);
}
private static void ParseXml(string filename)
{
using (new TimeTrace ("total"))
{
using (new TimeTrace ("process with E/S init"))
{
using (var eventSource = Log4JFile.Create (filename))
using (new TimeTrace ("process inner"))
using (var filterTs = new FilterTimestamp (1411231371536L, 1411231371556L))
using (var filterLvl = new FilterLevel ("INFO", "ERROR"))
using (var filterLgr = new FilterLogger ("Root.ChildB"))
using (var filterMsg1 = new FilterMessage ("#2"))
using (var filterMsg2 = new FilterMessage ("#3"))
using (var filterNot = new FilterNot (filterLvl))
using (var filterAny = new FilterAny ())
using (var filterAll = new FilterAll ())
{
filterAny.Add (filterMsg1);
filterAny.Add (filterMsg2);
filterAll.Add (filterTs);
filterAll.Add (filterNot);
filterAll.Add (filterAny);
filterAll.Add (filterLgr);
var matchingEvents = eventSource
.GetEvents ()
.Where (filterAll)
.Take (20)
.ToList ();
foreach (var @event in matchingEvents)
{
PrintEvent (@event);
}
Console.WriteLine ("Found events: {0}", matchingEvents.Count);
}
}
using (new TimeTrace ("count all events"))
using (var eventSource = Log4JFile.Create (filename))
{
var count = eventSource.GetEvents ().Count ();
Console.WriteLine ("Found events: {0}", count);
}
}
}
public EventsCollection GetEvents(LogQuery query)
{
var sourceModel = query.Source.Value;
var source = logSourceProvider_.GetSource (sourceModel?.Id);
using (var logFile = source.Open (sourceModel?.Size))
using (var filters = new List<FilterBase> ().ToDisposable ())
{
if (query.MinLevel.Value != Level.Debug)
{
AddFilter (filters, () => new FilterLevel (query.MinLevel.Value, Level.MaxValue));
}
if (!String.IsNullOrWhiteSpace (query.Logger))
{
AddFilter (filters, () => new FilterLogger (query.Logger));
}
if (!String.IsNullOrWhiteSpace (query.Message))
{
AddFilter (filters, () => new FilterMessage (query.Message));
}
if (query.MinTime > DateTime.MinValue || query.MaxTime < DateTime.MaxValue)
{
AddFilter (filters, () => new FilterTimestamp (query.MinTime, query.MaxTime));
}
IEnumerable<Event> filteredEvents;
switch (filters.Elements.Count)
{
case 0:
filteredEvents = logFile.GetEventsReverse ();
break;
case 1:
filteredEvents = logFile
.GetEventsReverse ()
.Where (filters.Elements.Single ());
break;
default:
FilterAll rootFilter = null;
try
{
rootFilter = new FilterAll ();
foreach (var filter in filters.Elements)
{
rootFilter.Add (filter);
}
}
finally
{
if (rootFilter != null)
{
filters.Elements.Add (rootFilter);
}
}
filteredEvents = logFile
.GetEventsReverse ()
.Where (rootFilter);
break;
}
var eventsWindow = filteredEvents
.Skip (query.Offset)
.Take (query.Quantity);
var events = eventsWindow
.Select (x => new EventModel (x))
.ToList ();
events.Reverse ();
var sourceName = source.Name;
var sourceSize = logFile.Size;
return new EventsCollection (events, sourceName, sourceSize);
}
}