private void DeviceAddedHandler(object aObj, DeviceAddedEventArgs aEvent)
{
// Devices can be turned off by the time they get to this point, at which point they end up null. Make sure the device isn't null.
if (aEvent.Device == null)
{
return;
}
var duplicates = from x in _devices
where x.Value.Identifier == aEvent.Device.Identifier
select x;
if (duplicates.Any() && (duplicates.Count() > 1 || duplicates.First().Value.IsConnected))
{
_bpLogger.Debug($"Already have device {aEvent.Device.Name} in Devices list");
return;
}
// If we get to 4 billion devices connected, this may be a problem.
var deviceIndex = duplicates.Any() ? duplicates.First().Key : (uint)Interlocked.Increment(ref _deviceIndexCounter);
_bpLogger.Info((duplicates.Any() ? "Re-" : string.Empty) + $"Adding Device {aEvent.Device.Name} at index {deviceIndex}");
_devices[deviceIndex] = aEvent.Device;
aEvent.Device.DeviceRemoved += DeviceRemovedHandler;
var msg = new DeviceAdded(deviceIndex, aEvent.Device.Name, GetAllowedMessageTypesAsStrings(aEvent.Device).ToArray());
DeviceMessageReceived?.Invoke(this, new MessageReceivedEventArgs(msg));
}
protected void InvokeDeviceAdded([NotNull] DeviceAddedEventArgs aEventArgs)
{
DeviceAdded?.Invoke(this, aEventArgs);
}
