private void StatusParseTest(IReadOnlyList <byte> packet)
{
var valueLowFirst = packet[6] >> 4;
var valueHighFirst = packet[8] >> 4;
var valueLowSecond = packet[10] >> 4;
var valueHighSecond = packet[12] >> 4;
var low = (byte)(valueLowFirst + (valueHighFirst << 4));
var high = (byte)(valueLowSecond + (valueHighSecond << 4));
var isPumpingError = high != 128;
var isPumpingInProgress = low != 0;
if (isPumpingError)
{
_status = PumpingStatus.Error;
return;
}
if (isPumpingInProgress)
{
_status = PumpingStatus.InProgress;
return;
}
_status = PumpingStatus.Completed;
}
// ReSharper disable once NotNullMemberIsNotInitialized
public MitarMonitorController([NotNull] IWorkerController workerController)
{
_workerController = workerController ?? throw new ArgumentNullException(nameof(workerController));
IsConnected = false;
_isCommonParamsRequested = 0;
_isPressureParamsRequested = 0;
_isEcgParamsRequested = 0;
_commonParamsReady = new Nito.AsyncEx.AsyncManualResetEvent(false);
_pressureParamsReady = new Nito.AsyncEx.AsyncManualResetEvent(false);
_ecgParamsReady = new Nito.AsyncEx.AsyncManualResetEvent(false);
_pumpingReady = new Nito.AsyncEx.AsyncManualResetEvent(false);
_pumpingStatus = PumpingStatus.Completed;
_updateDataSyncSemaphore = new SemaphoreSlim(1, 1);
_ecgValues = new ConcurrentQueue <short>();
_lastExceptions = new ConcurrentQueue <Exception>();
}
private async Task UpdateDataAsync()
{
var isCommonParamsRequested = _isCommonParamsRequested == IsRequestedValue;
var isPressureParamsRequested = _isPressureParamsRequested == IsRequestedValue;
var isEcgParamsRequested = _isEcgParamsRequested == IsRequestedValue;
if (!isCommonParamsRequested && !isPressureParamsRequested && !isEcgParamsRequested && !_isPumpingRequested)
{
return;
}
AssertConnection();
await _updateDataSyncSemaphore
.WaitAsync()
.ConfigureAwait(false);
var ecgValue = new short[2];
try
{
var commonParams = await _mitar
.GetCommonParams()
.ConfigureAwait(false);
var pressureParams = await _mitar
.GetPressureParams()
.ConfigureAwait(false);
_pumpingStatus = await _mitar
.GetPumpingStatus()
.ConfigureAwait(false);
if (_isPumpingRequested)
{
if (!_isPumpingStarted && _pumpingStatus == PumpingStatus.InProgress)
{
_isPumpingStarted = true;
}
if (_isPumpingStarted &&
(_pumpingStatus != PumpingStatus.InProgress))
{
_isPumpingStarted = false;
_isPumpingRequested = false;
_pumpingReady.Set();
}
}
if (isCommonParamsRequested)
{
_lastCommonParams = commonParams;
_commonParamsReady.Set();
}
if (isPressureParamsRequested)
{
_lastPressureParams = pressureParams;
_pressureParamsReady.Set();
}
if (isEcgParamsRequested)
{
_ecgValues.Enqueue(ecgValue[0]);
_ecgValues.Enqueue(ecgValue[1]);
var currentTime = DateTime.UtcNow;
if (currentTime > _startedEcgCollectingTime &&
currentTime - _startedEcgCollectingTime >= _ecgCollectionDuration)
{
_lastEcgParams = new PatientEcgParams(_ecgValues.ToArray());
while (_ecgValues.TryDequeue(out _))
{
}
_ecgParamsReady.Set();
}
}
}
catch (Exception)
{
// чтобы не было deadlock'ов
if (isCommonParamsRequested)
{
_commonParamsReady.Set();
}
if (isPressureParamsRequested)
{
_commonParamsReady.Set();
}
if (isEcgParamsRequested)
{
_ecgParamsReady.Set();
}
throw;
}
finally
{
_updateDataSyncSemaphore.Release();
}
}
