public async void Connect()
{
try
{
IsBusy = true;
switch (Model.DefaultTransport.Value)
{
/* case TransportTypes.AMQP:
* {
* var connectionString = $"Endpoint=sb://{Model.DefaultEndPoint}.servicebus.windows.net/;SharedAccessKeyName={Model.AccessKeyName};SharedAccessKey={Model.AccessKey}";
* var bldr = new EventHubsConnectionStringBuilder(connectionString)
* {
* EntityPath = Model.HubName
* };
*
* _isConnected = true;
* }
*
* break;*/
case TransportTypes.AzureIoTHub:
#if IOTHUB
var connectionString = $"HostName={Model.DefaultEndPoint};DeviceId={Model.DeviceId};SharedAccessKey={Model.AccessKey}";
_azureIoTHubClient = DeviceClient.CreateFromConnectionString(connectionString, Microsoft.Azure.Devices.Client.TransportType.Amqp_Tcp_Only);
await _azureIoTHubClient.OpenAsync();
ReceivingTask = Task.Run(ReceiveDataFromAzure);
SetConnectedState();
#endif
break;
case TransportTypes.MQTT:
_mqttClient = SLWIOC.Create <IMQTTDeviceClient>();
_mqttClient.ShowDiagnostics = true;
_mqttClient.BrokerHostName = Model.DefaultEndPoint;
_mqttClient.BrokerPort = Model.DefaultPort;
_mqttClient.DeviceId = Model.UserName;
_mqttClient.Password = Model.Password;
var result = await _mqttClient.ConnectAsync();
if (result.Result == ConnAck.Accepted)
{
_isConnected = true;
if (!String.IsNullOrEmpty(Model.Subscription))
{
var subscription = new MQTTSubscription()
{
Topic = Model.Subscription.Replace("~deviceid~", Model.DeviceId),
QOS = EntityHeader <QOS> .Create(QOS.QOS2)
};
await _mqttClient.SubscribeAsync(subscription);
_mqttClient.MessageReceived += _mqttClient_CommandReceived;
}
SetConnectedState();
}
else
{
await Popups.ShowAsync($"{Resources.SimulatorCoreResources.Simulator_ErrorConnecting}: {result.Result.ToString()}");
}
break;
case TransportTypes.TCP:
_tcpClient = SLWIOC.Create <ITCPClient>();
await _tcpClient.ConnectAsync(Model.DefaultEndPoint, Model.DefaultPort);
StartReceiveThread();
SetConnectedState();
break;
case TransportTypes.UDP:
_udpClient = SLWIOC.Create <IUDPClient>();
await _udpClient.ConnectAsync(Model.DefaultEndPoint, Model.DefaultPort);
StartReceiveThread();
SetConnectedState();
break;
}
RightMenuIcon = Client.Core.ViewModels.RightMenuIcon.None;
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
await Popups.ShowAsync(ex.Message);
if (_mqttClient != null)
{
_mqttClient.Dispose();
_mqttClient = null;
}
#if IOTHUB
if (_azureIoTHubClient != null)
{
await _azureIoTHubClient.CloseAsync();
_azureIoTHubClient.Dispose();
_azureIoTHubClient = null;
}
#endif
if (_tcpClient != null)
{
await _tcpClient.DisconnectAsync();
_tcpClient.Dispose();
_tcpClient = null;
}
if (_udpClient != null)
{
await _udpClient.DisconnectAsync();
_udpClient.Dispose();
_udpClient = null;
}
SetDisconnectedState();
}
finally
{
IsBusy = false;
}
}
public async Task <InvokeResult> ConnectAsync()
{
try
{
IsBusy = true;
switch (_simulator.DefaultTransport.Value)
{
/* case TransportTypes.AMQP:
* {
* var connectionString = $"Endpoint=sb://{Model.DefaultEndPoint}.servicebus.windows.net/;SharedAccessKeyName={Model.AccessKeyName};SharedAccessKey={Model.AccessKey}";
* var bldr = new EventHubsConnectionStringBuilder(connectionString)
* {
* EntityPath = Model.HubName
* };
*
* _isConnected = true;
* }
*
* break;*/
case TransportTypes.AzureIoTHub:
await ConnectAzureIoTHubAsync();
break;
case TransportTypes.MQTT:
await MQTTConnectAsync();
break;
case TransportTypes.TCP:
await _notificationPublisher.PublishTextAsync(Targets.WebSocket, Channels.Simulator, InstanceId, $"Connecting to {_simulator.DefaultTransport.Text} - {_simulator.DefaultEndPoint} on {_simulator.DefaultPort}.");
_tcpClient = _runtimeService.GetTCPClient();
await _tcpClient.ConnectAsync(_simulator.DefaultEndPoint, _simulator.DefaultPort);
StartReceiveThread();
SetConnectedState();
await _notificationPublisher.PublishTextAsync(Targets.WebSocket, Channels.Simulator, InstanceId, $"Connected to {_simulator.DefaultTransport.Text} - {_simulator.DefaultEndPoint} on {_simulator.DefaultPort}.");
break;
case TransportTypes.UDP:
await _notificationPublisher.PublishTextAsync(Targets.WebSocket, Channels.Simulator, InstanceId, $"Connecting to {_simulator.DefaultTransport.Text} - {_simulator.DefaultEndPoint} on {_simulator.DefaultPort}.");
_udpClient = _runtimeService.GetUDPCLient();
await _udpClient.ConnectAsync(_simulator.DefaultEndPoint, _simulator.DefaultPort);
StartReceiveThread();
SetConnectedState();
await _notificationPublisher.PublishTextAsync(Targets.WebSocket, Channels.Simulator, InstanceId, $"Connected to {_simulator.DefaultTransport.Text} - {_simulator.DefaultEndPoint} on {_simulator.DefaultPort}.");
break;
case TransportTypes.RestHttp:
case TransportTypes.RestHttps:
break;
default:
await _notificationPublisher.PublishTextAsync(Targets.WebSocket, Channels.Simulator, InstanceId, $"Attempt to connect to {_simulator.DefaultTransport.Text} that does not allow connections..");
break;
}
return(InvokeResult.Success);
}
catch (Exception ex)
{
await _notificationPublisher.PublishTextAsync(Targets.WebSocket, Channels.Simulator, InstanceId, $"Error connecting to {_simulator.DefaultTransport.Text} - {ex.Message}.");
if (_mqttClient != null)
{
_mqttClient.Dispose();
_mqttClient = null;
}
if (_azureIoTHubClient != null)
{
await _azureIoTHubClient.CloseAsync();
_azureIoTHubClient.Dispose();
_azureIoTHubClient = null;
}
if (_tcpClient != null)
{
await _tcpClient.DisconnectAsync();
_tcpClient.Dispose();
_tcpClient = null;
}
if (_udpClient != null)
{
await _udpClient.DisconnectAsync();
_udpClient.Dispose();
_udpClient = null;
}
SetDisconnectedState();
return(InvokeResult.FromException("ConnectAsync", ex));
}
finally
{
IsBusy = false;
}
}
