/// <summary>
///
/// </summary>
/// <returns></returns>
public virtual async Task InitializeAsync()
{
ResistorsOnDevice.Clear();
ResistorsOnDevice.AddRange(_resistorFactory.CreateResistorsOnDevice(this.DeviceMomento.State.SchemeTable, this));
_deviceCustomItems = _customItemsFactory.CreateDeviceCustomItems(_deviceMomento.State);
DeviceInitialized?.Invoke();
_isDeviceInitialized = true;
}
public async Task CheckForDevicesAsync(CancellationToken cancellationToken = default)
{
try
{
if (_IsDisposed)
{
return;
}
await _ListenSemaphoreSlim.WaitAsync(cancellationToken).ConfigureAwait(false);
var connectedDeviceDefinitions = (await DeviceFactory.GetConnectedDeviceDefinitionsAsync(cancellationToken).ConfigureAwait(false)).ToList();
//Iterate through connected devices
foreach (var connectedDeviceDefinition in connectedDeviceDefinitions)
{
//TODO: What to do if there are multiple?
IDevice device = null;
if (_CreatedDevicesByDefinition.ContainsKey(connectedDeviceDefinition.DeviceId))
{
device = _CreatedDevicesByDefinition[connectedDeviceDefinition.DeviceId];
}
if (device == null)
{
//Need to use the connected device def here instead of the filter version because the filter version won't have the id or any details
device = await DeviceFactory.GetDeviceAsync(connectedDeviceDefinition, cancellationToken).ConfigureAwait(false);
if (device == null)
{
_logger.LogWarning("A connected device with id {deviceId} was detected but the factory didn't create an instance of it. Bad stuff is going to happen now.", connectedDeviceDefinition.DeviceId);
}
else
{
_CreatedDevicesByDefinition.Add(connectedDeviceDefinition.DeviceId, device);
}
}
else
{
if (device.IsInitialized)
{
continue;
}
}
_logger.LogDebug("Attempting to initialize with DeviceId of {deviceId}", device.DeviceId);
//The device is not initialized so initialize it
await device.InitializeAsync(cancellationToken).ConfigureAwait(false);
//Let listeners know a registered device was initialized
DeviceInitialized?.Invoke(this, new DeviceEventArgs(device));
_logger.LogDebug(Messages.InformationMessageDeviceConnected, device.DeviceId);
}
var removeDeviceIds = new List <string>();
//Iterate through registered devices
foreach (var deviceId in _CreatedDevicesByDefinition.Keys)
{
var device = _CreatedDevicesByDefinition[deviceId];
if (connectedDeviceDefinitions.Any(cdd => cdd.DeviceId == deviceId))
{
continue;
}
if (!device.IsInitialized)
{
continue;
}
//Let listeners know a registered device was disconnected
//NOTE: let the rest of the app know before disposal so that the app can stop doing whatever it's doing.
DeviceDisconnected?.Invoke(this, new DeviceEventArgs(device));
//The device is no longer connected so close it
device.Close();
removeDeviceIds.Add(deviceId);
_logger.LogDebug(Messages.InformationMessageDeviceListenerDisconnected);
}
foreach (var deviceId in removeDeviceIds)
{
_ = _CreatedDevicesByDefinition.Remove(deviceId);
}
_logger.LogDebug(Messages.InformationMessageDeviceListenerPollingComplete);
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception ex)
#pragma warning restore CA1031 // Do not catch general exception types
{
//Log and move on
_logger.LogError(ex, Messages.ErrorMessagePollingError);
//TODO: What else to do here?
}
finally
{
if (!_IsDisposed)
{
_ = _ListenSemaphoreSlim.Release();
}
}
}
public async Task CheckForDevicesAsync()
{
try
{
if (_IsDisposed)
{
return;
}
await _ListenSemaphoreSlim.WaitAsync();
var connectedDeviceDefinitions = new List <ConnectedDeviceDefinition>();
foreach (var deviceDefinition in FilterDeviceDefinitions)
{
connectedDeviceDefinitions.AddRange(await DeviceManager.Current.GetConnectedDeviceDefinitionsAsync(deviceDefinition));
}
//Iterate through connected devices
foreach (var connectedDeviceDefinition in connectedDeviceDefinitions)
{
var deviceDefinition = FilterDeviceDefinitions.FirstOrDefault(d => DeviceManager.IsDefinitionMatch(d, connectedDeviceDefinition));
if (deviceDefinition == null)
{
continue;
}
//TODO: What to do if there are multiple?
IDevice device = null;
if (_CreatedDevicesByDefinition.ContainsKey(deviceDefinition))
{
device = _CreatedDevicesByDefinition[deviceDefinition];
}
if (device == null)
{
//Need to use the connected device def here instead of the filter version because the filter version won't have the id or any details
device = DeviceManager.Current.GetDevice(connectedDeviceDefinition);
_CreatedDevicesByDefinition.Add(deviceDefinition, device);
}
if (device.IsInitialized)
{
continue;
}
Log($"Attempting to initialize with DeviceId of {device.DeviceId}", null);
//The device is not initialized so initialize it
await device.InitializeAsync();
//Let listeners know a registered device was initialized
DeviceInitialized?.Invoke(this, new DeviceEventArgs(device));
Log(Messages.InformationMessageDeviceConnected, null);
}
var removeDefs = new List <FilterDeviceDefinition>();
//Iterate through registered devices
foreach (var filteredDeviceDefinitionKey in _CreatedDevicesByDefinition.Keys)
{
var device = _CreatedDevicesByDefinition[filteredDeviceDefinitionKey];
if (connectedDeviceDefinitions.Any(cdd =>
DeviceManager.IsDefinitionMatch(filteredDeviceDefinitionKey, cdd)))
{
continue;
}
if (!device.IsInitialized)
{
continue;
}
//Let listeners know a registered device was disconnected
//NOTE: let the rest of the app know before disposal so that the app can stop doing whatever it's doing.
DeviceDisconnected?.Invoke(this, new DeviceEventArgs(device));
//The device is no longer connected so close it
device.Close();
removeDefs.Add(filteredDeviceDefinitionKey);
Log(Messages.InformationMessageDeviceListenerDisconnected, null);
}
foreach (var removeDef in removeDefs)
{
_CreatedDevicesByDefinition.Remove(removeDef);
}
Log(Messages.InformationMessageDeviceListenerPollingComplete, null);
}
catch (Exception ex)
{
Log(Messages.ErrorMessagePollingError, ex);
//TODO: What else to do here?
}
finally
{
if (!_IsDisposed)
{
_ListenSemaphoreSlim.Release();
}
}
}