void ObserveData(object sender, ElapsedEventArgs e)
{
//get partition counts, fill in combo box("lazy" update)
var queryPartitionNumber = _hubDataReceiver.partitionNumber;
if (queryPartitionNumber != Partitions.Count)
{
ObservableCollection <string> partitionIds = new ObservableCollection <string>();
for (int i = 0; i < queryPartitionNumber; i++)
{
partitionIds.Add(i.ToString());
}
Partitions = partitionIds;
}
PartitionCount = Partitions.Count.ToString();
//get real time number to mark on the curve
MessageRealTimeNumber = _hubDataReceiver.totalMessage;
DeviceRealTimeNumber = _hubDataReceiver.totalDevice;
//update properties for monitoring data
var delaystringavg = _hubDataReceiver.deviceToHubDelayAvg;
if (!string.IsNullOrEmpty(delaystringavg))
{
try
{
DeviceToHubDelayAvg = delaystringavg.Substring(0, 11);
}
catch
{
DeviceToHubDelayAvg = "N/A";
}
}
var delaystring1min = _hubDataReceiver.deviceToHubDelayOneMin;
if (!string.IsNullOrEmpty(delaystring1min))
{
try
{
DeviceToHubDelay1Min = delaystring1min.Substring(0, 11);
}
catch
{
DeviceToHubDelay1Min = "N/A";
}
}
MessageContent = _hubDataReceiver.sampleContent;
Throughput = (_hubDataReceiver.throughput).ToString() + " messages/minute";
HubThroughput = $"≈ {_hubDataReceiver.throughput * Partitions.Count} messages/minute";
FromDevice = _hubDataReceiver.sampleEventSender;
var allsec = (int)_hubDataReceiver.runningTime.TotalSeconds;
var datetimestring = DateTime.Now.ToString("HH:mm:ss");
CurrentTimeString = datetimestring;
TimeStamp = $"Details(updated at {datetimestring})";
var elapsedstring = localwatch.Elapsed.ToString();
if (!string.IsNullOrEmpty(localwatch.Elapsed.ToString()))
{
try
{
LocalElapsedTime = elapsedstring.Substring(0, 11);
}
catch
{
LocalElapsedTime = "N/A";
}
}
//Update chart
var currentTime = DateTime.Now;
TimeStamps.Enqueue(currentTime);
Labels.Add(currentTime.ToString("hh:mm:ss"));
DeviceSeriesCollection[0].Values.Add(_deviceRealTimeNumber);
MessageSeriesCollection[0].Values.Add(_messageRealTimeNumber);
var earliestTime = currentTime;
if (TimeStamps.Count != 0)
{
earliestTime = TimeStamps.Peek();
}
//only collect recent 15min data.
var timeDiff = currentTime.Subtract(earliestTime);
if (timeDiff > new TimeSpan(0, 15, 1))
{
Labels.RemoveAt(0);
DeviceSeriesCollection[0].Values.RemoveAt(0);
MessageSeriesCollection[0].Values.RemoveAt(0);
TimeStamps.Dequeue();
}
//check job status and stop refreshing.
if (TaskTotalCount == TaskCompleteCount && TaskTotalCount != 0)
{
//stop working threads
localwatch.Stop();
_hubDataReceiver.PauseReceive();
_refreshTaskTimer.Enabled = false;
_refreshDataTimer.Enabled = false;
if (!_deleteFlag)
{//avoid "Conflict"
CleanUpBatch();
CleanUpStorage();
_deleteFlag = true;
}
}
}