private void GoToEvent_Test(string eventLogPath)
{
string dataAfterGoEvent = string.Empty;
string dataAfterSetPosition = string.Empty;
using (EventLogReader reader = EventLogReader.CreateReader(eventLogPath))
{
reader.GoToEvent(5);
EventLogPosition eventPosition = reader.GetCurrentPosition();
if (reader.Read())
{
dataAfterGoEvent = reader.CurrentRow.Data;
}
reader.Reset();
reader.SetCurrentPosition(eventPosition);
if (reader.Read())
{
dataAfterSetPosition = reader.CurrentRow.Data;
}
}
Assert.Equal(dataAfterGoEvent, dataAfterSetPosition);
}
private void GetAndSetPosition_Test(string eventLogPath)
{
long countRecords = 0;
long countRecordsStepByStep = 0;
long countRecordsStepByStepAfterSetPosition = 0;
using (EventLogReader reader = EventLogReader.CreateReader(eventLogPath))
{
countRecords = reader.Count();
while (reader.Read())
{
countRecordsStepByStep += 1;
}
reader.Reset();
EventLogPosition position = reader.GetCurrentPosition();
while (reader.Read())
{
;
}
reader.SetCurrentPosition(position);
while (reader.Read())
{
countRecordsStepByStepAfterSetPosition += 1;
}
}
Assert.NotEqual(0, countRecords);
Assert.NotEqual(0, countRecordsStepByStep);
Assert.NotEqual(0, countRecordsStepByStepAfterSetPosition);
Assert.Equal(countRecords, countRecordsStepByStep);
Assert.Equal(countRecords, countRecordsStepByStepAfterSetPosition);
}
public bool NewDataAvailable()
{
if (_reader == null)
{
return(false);
}
if (_target == null)
{
return(false);
}
if (_eventLogPath == null)
{
return(false);
}
EventLogPosition lastPosition = _target.GetLastPosition();
bool newDataExist;
_reader.AfterReadFile -= EventLogReader_AfterReadFile;
_reader.AfterReadEvent -= EventLogReader_AfterReadEvent;
_reader.OnErrorEvent -= EventLogReader_OnErrorEvent;
_reader.Reset();
// В случае, если каталог последней позиции не совпадает
// с текущим каталогом данных, то предыдущую позицию не учитываем
if (lastPosition != null)
{
FileInfo lastDataFileInfo = new FileInfo(lastPosition.CurrentFileReferences);
FileInfo currentDataFileInfo = new FileInfo(_reader.CurrentFile);
if (lastDataFileInfo.Directory != null && currentDataFileInfo.Directory != null)
{
if (lastDataFileInfo.Directory.FullName != currentDataFileInfo.Directory.FullName)
{
lastPosition = null;
}
}
}
_reader.SetCurrentPosition(lastPosition);
newDataExist = _reader.Read();
return(newDataExist);
}
