public void HeartBeat()
{
//perform and process the counterreading every 'heartbeat'
PerformanceMonitorRecord activeMonitorRecord =
_performanceMonitorDataService.PerformanceMonitorRecords.FirstOrDefault(r => r.IsEnabled == true);
string performanceCounterReading =
_performanceCounterService.GetPerformanceCounterReading(activeMonitorRecord.CategoryName, activeMonitorRecord.InstanceName, activeMonitorRecord.CounterName);
//calculate the the duration (in ticks)
DateTime startTime = (DateTime)activeMonitorRecord.Created;
TimeSpan durationCount = DateTime.Now.Subtract(startTime);
//threshold check
bool passedThreshold;
var passedThresholdValue = 0;
double countervalue = double.Parse(performanceCounterReading);
passedThreshold = CheckThreshold(activeMonitorRecord.Threshold, activeMonitorRecord.ThresholdWhen, countervalue, ref passedThresholdValue);
PerformanceMonitorDataRecord dataRecord = new PerformanceMonitorDataRecord()
{
PerformanceMonitorRecord_Id = activeMonitorRecord.Id,
Count = performanceCounterReading,
HeartBeat = DateTime.Now,
PassedThreshold = passedThreshold,
PassedThresholdValue = passedThresholdValue,
Ticks = Convert.ToString(durationCount.Ticks)
};
_performanceMonitorDataService.WriteDataRecord(dataRecord);
}
public bool DeletePerformanceMonitorDataRecord(PerformanceMonitorDataRecord dataRecordToDelete)
{
if (dataRecordToDelete == null)
{
return(false);
}
_performanceMonitorDataRecordRepository.Delete(dataRecordToDelete);
return(true);
}
public void Sweep()
{
PerformanceMonitorDataRecord lastCounterDataRecord = _performanceMonitorDataService.PerformanceMonitorDataRecords.LastOrDefault();
PerformanceMonitorRecord activeMonitorRecord = _performanceMonitorDataService.ActiveRecord;
if (activeMonitorRecord == null)
{
return;
}
//calculate the the duration in seconds between the last registration and the current time of sweep()
DateTime lastHeartBeat = lastCounterDataRecord.HeartBeat;
TimeSpan totalDuration = DateTime.Now.Subtract(lastHeartBeat);
double totalDurationSeconds = totalDuration.TotalSeconds;
//stop the counter automatically if the endtime has been reached (or exceeded)
if (activeMonitorRecord.EndTime <= DateTime.Now)
{
_performanceMonitorWorkerService.StopCounter(activeMonitorRecord.Id);
}
else
{
int interval = activeMonitorRecord.SampleInterval;
double intervalSeconds = interval * 60;
//write a new datarecord when the last heartbeat (datetime) was at least
//the given interval (in minutes) in the past (interval negative)
if (lastCounterDataRecord.HeartBeat < DateTime.Now.AddMinutes((interval * -1)))
{
_performanceMonitorService.HeartBeat();
}
else
{
//sometimes Sweep method runs outside of the minute interval
//to compensate, we use a little 'slack'
//see: http://orchard.codeplex.com/workitem/20383
var diff = Math.Abs(intervalSeconds - totalDurationSeconds);
if (diff <= 10)
{
_performanceMonitorService.HeartBeat();
}
}
}
}
public bool WriteDataRecord(PerformanceMonitorDataRecord performanceMonitorDataRecord)
{
_performanceMonitorDataRecordRepository.Create(performanceMonitorDataRecord);
return(true);
}
public bool StopCounter(int id)
{
PerformanceMonitorRecord recordToUpdate =
_performanceMonitorDataService.PerformanceMonitorRecords.FirstOrDefault(r => r.Id == id);
string performanceCounterReading =
_performanceCounterService.GetPerformanceCounterReading(recordToUpdate.CategoryName, recordToUpdate.InstanceName, recordToUpdate.CounterName);
//threshold check
bool passedThreshold;
var passedThresholdValue = 0;
double countervalue = double.Parse(performanceCounterReading);
passedThreshold = _performanceMonitorService.CheckThreshold(recordToUpdate.Threshold, recordToUpdate.ThresholdWhen, countervalue, ref passedThresholdValue);
//calculate the the duration (in ticks)
DateTime startTime = (DateTime)recordToUpdate.Created;
TimeSpan durationCount = DateTime.Now.Subtract(startTime);
DateTime sharedTimeStampValue = DateTime.Now;
//first write last values to datarecord (then to the monitorrecord for min/max/average)
PerformanceMonitorDataRecord datarecord = new PerformanceMonitorDataRecord()
{
PerformanceMonitorRecord_Id = recordToUpdate.Id,
//should be finally equal to latest reading in performancemonitorrecord
Count = performanceCounterReading,
HeartBeat = sharedTimeStampValue,
PassedThreshold = passedThreshold,
PassedThresholdValue = passedThresholdValue,
//duration count(ticks in nanoseconds from starttime (created)) should be equal to value in performancemonitorrecord
Ticks = Convert.ToString(durationCount.Ticks)
};
var result = _performanceMonitorDataService.WriteDataRecord(datarecord);
if (result)
{
recordToUpdate.LastValue = performanceCounterReading;
recordToUpdate.DurationCount = Convert.ToString(durationCount.Ticks);
recordToUpdate.EndTime = sharedTimeStampValue;
//mean, min and max values
List <PerformanceMonitorDataRecord> dataRecords = _performanceMonitorDataService.GetDataRecords(id);
//first convert counted values from string to int
List <double> countedValues = new List <double>();
bool conversionResult = false;
foreach (PerformanceMonitorDataRecord record in dataRecords)
{
double value;
bool conversionPassed = double.TryParse(record.Count, out value);
if (conversionPassed)
{
countedValues.Add(value);
conversionResult = true;
}
else
{
//conversion failed
conversionResult = false;
}
}
double meanValue = 0;
double minValue = 0;
double maxValue = 0;
if (conversionResult)
{
meanValue = Math.Round(countedValues.Average(), 2);
minValue = Math.Round(countedValues.Min(), 2);
maxValue = Math.Round(countedValues.Max(), 2);
}
recordToUpdate.Mean = meanValue;
recordToUpdate.Minimum = minValue;
recordToUpdate.Maximum = maxValue;
var monitorrecordresult = _performanceMonitorDataService.UpdatePerformanceMonitorRecord(recordToUpdate);
if (monitorrecordresult)
{
_notifier.Information(T("Counter stopped and all values updated succesfully"));
}
else
{
_notifier.Error(T("Error: Failed to stop counter and update the monitor record"));
}
}
else
{
_notifier.Error(T("Error: Failed to stop counter and update all records"));
}
return(result);
}
public bool EditPost(EditPostInputModel inputModel)
{
string performanceCounterReading =
_performanceCounterService.GetPerformanceCounterReading(inputModel.CategoryName, inputModel.InstanceName, inputModel.CounterName);
if (performanceCounterReading == String.Empty)
{
_notifier.Error(T("Error: Not able to perform a reading on this type of counter"));
return(false);
}
PerformanceMonitorRecord record = new PerformanceMonitorRecord()
{
Id = inputModel.Id,
CategoryName = inputModel.CategoryName,
InstanceName = inputModel.InstanceName,
CounterName = inputModel.CounterName,
InitialValue = performanceCounterReading,
Duration = inputModel.Duration,
SampleInterval = inputModel.SampleInterval,
Threshold = inputModel.Threshold,
ThresholdWhen = inputModel.ThresholdWhen
};
var result = _performanceMonitorDataService.SetPerformanceMonitorRecord(record);
if (result)
{
PerformanceMonitorRecord activeRecord =
_performanceMonitorDataService.PerformanceMonitorRecords.FirstOrDefault(r => r.IsEnabled == true);
//threshold check
bool passedThreshold;
var passedThresholdValue = 0;
double countervalue = double.Parse(activeRecord.InitialValue);
passedThreshold = _performanceMonitorService.CheckThreshold(activeRecord.Threshold, activeRecord.ThresholdWhen, countervalue, ref passedThresholdValue);
PerformanceMonitorDataRecord datarecord = new PerformanceMonitorDataRecord()
{
PerformanceMonitorRecord_Id = activeRecord.Id,
Count = activeRecord.InitialValue,
HeartBeat = activeRecord.Created,
PassedThreshold = passedThreshold,
PassedThresholdValue = passedThresholdValue,
//duration count(ticks in nanoseconds from starttime (created)) should initially be set to startvalue (zero)
Ticks = "0"
};
var dataResult = _performanceMonitorDataService.WriteDataRecord(datarecord);
if (dataResult)
{
_notifier.Information(T("New counter records added succesfully"));
}
else
{
_notifier.Warning(T("New counter record added succesfully, but failed to write initial datarecord"));
}
}
else
{
_notifier.Error(T("Error: Failed to add new counter"));
}
return(result);
}
