private PerfCounterObserver <T> ReadCounterRecords <T>(IObservable <T> source)
{
var observer = new PerfCounterObserver <T>();
source.Subscribe(observer);
Log.Info($"complete: {observer.Complete}");
return(observer);
}
private bool TxBlg(FileObject fileObject, string outputFile)
{
DateTime startTime = DateTime.Now;
IObservable <PerformanceSample> observable = default(IObservable <PerformanceSample>);
PerfCounterObserver <PerformanceSample> counterSession = default(PerfCounterObserver <PerformanceSample>);
List <PerformanceSample> records = new List <PerformanceSample>();
List <CsvCounterRecord> csvRecords = new List <CsvCounterRecord>();
// testing pdh found invalid data when using concurrently
lock (_lockObj)
{
Log.Debug($"observable creating: {fileObject.FileUri}");
observable = PerfCounterObservable.FromFile(fileObject.FileUri);
Log.Debug($"observable created: {fileObject.FileUri}");
counterSession = ReadCounterRecords(observable);
Log.Debug($"finished total ms: {DateTime.Now.Subtract(startTime).TotalMilliseconds} reading: {fileObject.FileUri}");
records = counterSession.Records;
}
foreach (var record in records)
{
if (!string.IsNullOrEmpty(record.Value.ToString()))
{
string counterValue = record.Value.ToString() == "NaN" ? "0" : record.Value.ToString();
try
{
csvRecords.Add(new CsvCounterRecord()
{
Timestamp = record.Timestamp,
CounterName = record.CounterPath.Replace("\"", "").Trim(),
CounterValue = Decimal.Parse(counterValue, NumberStyles.AllowExponent | NumberStyles.AllowDecimalPoint),
Object = record.CounterSet?.Replace("\"", "").Trim(),
Counter = record.CounterName.Replace("\"", "").Trim(),
Instance = record.Instance?.Replace("\"", "").Trim(),
NodeName = fileObject.NodeName,
FileType = fileObject.FileDataType.ToString(),
RelativeUri = fileObject.RelativeUri
});
}
catch (Exception ex)
{
Log.Exception($"stringValue:{counterValue} exception:{ex}", record);
}
}
else
{
Log.Warning($"empty counter value:", record);
}
}
fileObject.Stream.Write(csvRecords);
Log.Info($"records: {records.Count()} {csvRecords.Count}");
return(true);
}