/// <summary>
/// Called when information on a discovered BLE device has changed
/// </summary>
/// <param name="sender">Device watcher which discovered the device</param>
/// <param name="device_info">BLE device information</param>
private void DeviceWatcher_Updated(DeviceWatcher sender, DeviceInformationUpdate device_info)
{
// Retrieve device information
BleDeviceInformation ble_device_info = new BleDeviceInformation();
ble_device_info.Id = device_info.Id;
try
{
ble_device_info.MacAddress = device_info.Properties["System.Devices.Aep.DeviceAddress"].ToString();
}
catch (KeyNotFoundException)
{
ble_device_info.MacAddress = "";
}
try
{
ble_device_info.IsConnected = (bool)device_info.Properties["System.Devices.Aep.IsConnected"];
}
catch (KeyNotFoundException)
{
ble_device_info.IsConnected = false;
}
try
{
ble_device_info.IsConnectable = (bool)device_info.Properties["System.Devices.Aep.Bluetooth.Le.IsConnectable"];
}
catch (KeyNotFoundException)
{
ble_device_info.IsConnectable = false;
}
// Notify device update
DeviceUpdated?.Invoke(this, ble_device_info);
}
private void HandleMessage(Message message)
{
if (message == null)
{
return;
}
switch (message?.ResponseMessage)
{
case "newDeviceValue":
DeviceUpdated?.Invoke(this, message.Response.ToObject <DeviceValue>());
break;
case "newSwitchingSequenceInfo":
_logger.LogInformation($"Received Switch Sequence Info: {message.Response["switchingSequenceID"]}, nextActivationTime: {message.Response["nextActivationTime"]}");
break;
case "newSwitchingSequenceStatus":
_logger.LogInformation($"Received Switch Sequence: {message.Response["switchingSequenceID"]}, status: {message.Response["status"]}");
break;
case "newDeviceInfo":
_logger.LogInformation($"Received new device: {message.Response}");
break;
default:
_messageQueue.Enqueue(message);
break;
}
}
public bool UpdateTask(CanMsg msg)
{
if (CanDb.GetNodeTypeId(msg.ArbId) == CanDb.Instance.Nodes.FirstOrDefault(n => n.Name == NodeCollection.NODE_MCEL).NodeTypeId)
{
byte node = CanDb.GetNodeAddress(msg.ArbId);
byte msgId = CanDb.GetMsgId(msg.ArbId);
if (Devices.FirstOrDefault(n => n.Address == node) is IDevice item)
{
item.Update(msgId, msg.Data);
DeviceUpdated?.Invoke(this, item);
}
else
{
var newitem = new MCEL181123DeviceItem(node, msgId, msg.Data);
Devices.Add(newitem);
NewDeviceArrived?.Invoke(this, newitem);
}
return(true);
}
else
{
return(false);
}
}
private void ClientDeviceUpdated(object sender, DeviceValue value)
{
var masterId = value.MasterDeviceId == 0 ? value.DeviceId : value.MasterDeviceId;
var device = GetDevice(masterId);
if (device?.SetValues(value) ?? false)
{
DeviceUpdated?.Invoke(this, value);
}
}
public void HandleData(GlobalUpdate eventData)
{
GlobalUpdated?.Invoke(this, new NestGlobalEventArgs(eventData));
DeviceUpdated?.Invoke(this, new NestDeviceEventArgs(eventData.Devices));
StructureUpdated?.Invoke(this, new NestStructureEventArgs(eventData.Structures));
ThermostatUpdated?.Invoke(this, new NestThermostatEventArgs(eventData.Thermostats));
CameraUpdated?.Invoke(this, new NestCameraEventArgs(eventData.Cameras));
SmokeCOAlarmUpdated?.Invoke(this, new NestSmokeCOAlarmEventArgs(eventData.SmokeCOAlarms));
MetadataUpdated?.Invoke(this, new NestMetadataEventArgs(eventData.Metadata));
}
private void StartScannerThread()
{
EndPoint localEp = _localEp;
_cancellationTokenSource = new CancellationTokenSource();
CancellationToken ct = _cancellationTokenSource.Token;
_scannerThread = Task.Run(async() =>
{
while (!ct.IsCancellationRequested)
{
try
{
byte[] response = new byte[8000];
int no = _socket.ReceiveFrom(response, ref localEp);
string str = Encoding.UTF8.GetString(Decrypt(response.Take(no).ToArray()));
JObject obj = ParserHelpers.ParseGetSysInfo(str);
if (obj == null)
{
continue;
}
DeviceType deviceType = ParserHelpers.GetDeviceType(obj);
if (GetDeviceTypeFilter()?.Contains(deviceType) == false)
{
Debug.WriteLine("Excluded device");
continue;
}
var requestContext = new RequestContext(obj, (localEp as IPEndPoint)?.Address);
DeviceStateInfo state = await _deviceManager.AddOrUpdate(requestContext).ConfigureAwait(false);
switch (state.State)
{
case DeviceState.Added:
DeviceDiscovered?.Invoke(this, new DeviceEventArgs(state.Device));
break;
case DeviceState.Updated:
DeviceUpdated?.Invoke(this, new DeviceEventArgs(state.Device));
break;
}
}
catch (Exception e)
{
Debug.WriteLine(e);
}
}
}, ct);
}
public bool TryUpdateDevice(DeviceType device, DeviceState state, out DeviceStatus status)
{
if (_devices.TryGetValue(device, out status) && status.State != state)
{
status = status.Update(state, DateTime.Now);
_devices[device] = status;
DeviceUpdated?.Invoke(this, status);
return(true);
}
return(false);
}
private void Reader(object input)
{
try
{
var token = (CancellationToken)input;
while (!token.IsCancellationRequested)
{
var buffer = new byte[2048];
var messageData = new StringBuilder();
int bytes;
do
{
bytes = _stream.ReadAsync(buffer, 0, buffer.Length, token).Result;
var decoder = Encoding.UTF8.GetDecoder();
var chars = new char[decoder.GetCharCount(buffer, 0, bytes)];
decoder.GetChars(buffer, 0, bytes, chars, 0);
messageData.Append(chars);
if (chars.Last() == '\n')
{
break;
}
} while (bytes != 0 && !token.IsCancellationRequested);
var message = Deserialize <Message>(messageData.ToString());
if (message.ResponseMessage == "newDeviceValue")
{
_logger.LogInformation($"Received Status: {messageData}");
DeviceUpdated?.Invoke(this, message.Response.ToObject <DeviceValue>());
}
else
{
_messageQueue.Enqueue(message);
}
}
}
catch (Exception e)
{
//Only log if still connected.
if (Connected)
{
_logger.LogError(e, "Connection closed");
Close().ConfigureAwait(false);
}
}
}
public bool Update(Device device)
{
if (device == null)
{
return(false);
}
if (GetDevice(device.DeviceType, device.DeviceIndex) == null)
{
Logger.Info(string.Format("update device failed, no this device[{0}] in device group", device.GetDeviceName()));
return(false);
}
if (DeviceUpdated != null)
{
DeviceUpdated.Invoke(device, null);
}
return(true);
}
protected virtual void OnDeviceUpdated(Events.DeviceUpdatedEventArgs e)
{
DeviceUpdated?.Invoke(this, e);
}
internal Task InternalDeviceUpdatedAsync(Device before, Device after)
{
return(DeviceUpdated is null ? Task.CompletedTask : DeviceUpdated.Invoke(before, after));
}
protected virtual void OnDeviceUpdated(object source, EventArgs e)
{
DeviceUpdated?.Invoke(this, EventArgs.Empty);
}
private void OnDeviceUpdated(DeviceWatcher sender, DeviceInformationUpdate args)
{
DeviceUpdated.Invoke(this, null);
RaisePropertyChanged(new PropertyChangedEventArgs(nameof(RemoteDevices)));
}