public void Poll()
{
while (_stream.DataAvailable)
{
var reader = new BinaryReader(_stream);
var message = reader.DeserializePlist();
var deviceId = (NSNumber)message["DeviceID"];
var messageType = (NSString)message["MessageType"];
if (messageType == "Attached")
{
var properties = (NSMutableDictionary)message["Properties"];
var productId = (NSNumber)properties["ProductID"];
var serialNumber = (NSString)properties["SerialNumber"];
var locationId = (NSNumber)properties["LocationID"];
var device = new Device(deviceId.UInt32Value, (ushort)productId, UsbMux.StringToByteArray(serialNumber.ToString()), (uint)locationId);
if (_devices.Find(x => x.DeviceID == device.DeviceID) != null)
{
throw new Exception("Adding an element twice!");
}
_devices.Add(device);
if (DeviceAttached != null)
{
DeviceAttached(this, new DeviceEventArgs()
{
Device = device
});
}
}
else if (messageType == "Detached")
{
var device = _devices.Find(x => x.DeviceID == deviceId.UInt32Value);
if (device == null)
{
throw new Exception("Removing non-existent device!");
}
_devices.Remove(device);
if (DeviceDetached != null)
{
DeviceDetached(this, new DeviceEventArgs()
{
Device = device
});
}
}
}
}
public DeviceListener()
{
_stream = UsbMux.Listen();
}
