public RUSTelemetryStreamSenderVM(IRUSDevice device, BusyObject isBusy)
{
_isBusy = isBusy ?? throw new ArgumentNullException(nameof(isBusy));
_device = device ?? throw new ArgumentNullException(nameof(device));
ChooseFile = new ActionCommand(chooseFileAsync, _isBusy);
Start = new ActionCommand(async() =>
{
_sendingOperation = startSendingAsync();
Stop.Update();
await _sendingOperation;
},
() => _currentData != null && _isBusy.IsNotBusy, _isBusy);
Stop = new ActionCommand(stopSending, () => _sendingOperation != null, _isBusy);
async Task stopSending()
{
_operationInfo.Cancel();
await _sendingOperation;
}
async Task startSendingAsync()
{
using (_isBusy.BusyMode)
{
try
{
Logger.LogOKEverywhere("Передача начата");
_operationInfo = new AsyncOperationInfo(Progress).UseInternalCancellationSource();
_operationInfo.Progress.Optimize = false;
_operationInfo.Progress.MaxProgress = _currentData.Count;
var sw = Stopwatch.StartNew();
var sendedCurveTotalDuration = TimeSpan.Zero;
for (int i = 0, frameI = 0; i < _currentData.Count; frameI++)
{
TimeSpan duration = TimeSpan.Zero;
var frame = new List <RegData>();
await Task.Run(async() =>
{
var first = await _currentData[i];
frame.Add(first);
for (; i < _currentData.Count - 1; i++)
{
var item = await _currentData[i + 1];
if (item.Time <= frame.LastElement().Time)
{
continue;
}
else
{
frame.Add(item);
duration = item.Time - first.Time;
if (duration.TotalMilliseconds >= FRAME_DURATION)
{
i++;
break;
}
}
}
i++;
});
if (i == _currentData.Count)
{
unchecked
{
frameI = (int)uint.MaxValue;
};
Logger.LogOKEverywhere("Отправка файла завершена");
}
var durationMs = duration.TotalMilliseconds.Round();
var frameData = frame.Select(d => d.Row[0]).ToArray();
var request = Requests.BuildRegDataFramePacket(frameI, durationMs, frameData);
var result = await _device.BurnAsync(Command.REG_DATA_FRAME, request, DeviceOperationScope.DEFAULT, CancellationToken.None);
//if (result.Status == BurnRequestStatus.OK)
if (true)
{
var response = result.Response == null
? new ulong[0]
: result.Response.Skip(6).SkipFromEnd(2).GroupBy(8).Select(bs => Deserialize(bs)).ToArray();
foreach (var pointI in frameData.Length.Range())
{
var entities = new List <ViewDataEntity>();
entities.Add(new ViewDataEntity("Pressure", frameData[pointI], true));
if (response.Length > pointI)
{
entities.Add(new ViewDataEntity($"Response", response[pointI], true));
}
else
{
entities.Add(new ViewDataEntity($"Response", ""));
}
var decoration = (Progress.Progress.Round() + pointI) % _avgSampleRate == 0
? RowDecoration.LINE
: RowDecoration.NONE;
DecoratedDataRowAquired?.Invoke(entities, decoration);
}
ulong Deserialize(IEnumerable <byte> data)
{
return(BitConverter.ToUInt64(data.Take(8).Reverse().ToArray(), 0));
}
sendedCurveTotalDuration += duration;
_operationInfo.Progress.Report(i + 1);
await Task.Delay(
(sendedCurveTotalDuration.TotalMilliseconds - sw.Elapsed.TotalMilliseconds - PREEMPTIVE_READ_DURATION).Round().NegativeToZero(),
_operationInfo.CancellationToken);
}
else
{
Logger.LogErrorEverywhere("Ошибка передачи кадра");
frameI--;
i -= frame.Count;
}
_operationInfo.CancellationToken.ThrowIfCancellationRequested();
}
}
catch (OperationCanceledException)
{
Logger.LogInfoEverywhere("Пересылка отменена");
}
catch (Exception ex)
{
Logger.LogErrorEverywhere("Цикл отправки завершился с ошибкой", ex);
}
finally
{
_sendingOperation = null;
_operationInfo = null;
Progress.Reset();
Stop.Update();
}
}
}
async Task chooseFileAsync()
{
using (_isBusy.BusyMode)
{
try
{
var path = IOUtils.RequestFileOpenPath("RAW (*raw)|*.raw");
if (path == null)
{
Logger.LogInfoEverywhere("Файл не выбран");
return;
}
var file = new FileStream(path, FileMode.Open);
_currentData?.Dispose();
_currentData = new RegDataReader(file);
ChooseFile.Update();
using (Parameters.EventSuppressingMode)
{
Parameters.Clear();
var first = await _currentData[0];
var last = await _currentData[_currentData.Count - 1];
var duration = last.Time - first.Time;
_avgSampleRate = (_currentData.Count / duration.TotalSeconds).Round();
Parameters.Add(new KeyValuePair <string, string>("Длительность (часов)", duration.TotalHours.Round().ToString()));
Parameters.Add(new KeyValuePair <string, string>("Частота семплирования", (_currentData.Count / duration.TotalSeconds).ToStringInvariant("F2")));
}
}
catch (Exception ex)
{
Logger.LogErrorEverywhere("Ошибка при загрузке", ex);
_currentData?.Dispose();
}
}
}
}