public static async Task Run(ActionReceivedText OnSvcStatusUpdateD = null, ActionReceivedText OnSvcRecvTextD = null)
{
OnSvcStatusUpdate = OnSvcStatusUpdateD;
OnSvcRecvText = OnSvcRecvTextD;
System.Diagnostics.Debug.WriteLine("IoT Hub Telemetry - Read device to cloud messages.");
OnSvcStatusUpdate?.Invoke("IoT Hub Telemetry - Read device to cloud messages.");
// Create an EventHubClient instance to connect to the
// IoT Hub Event Hubs-compatible endpoint.
//var connectionString1 = new EventHubsConnectionStringBuilder(new Uri(s_eventHubsCompatibleEndpoint), s_eventHubsCompatiblePath, s_iotHubSasKeyName, s_iotHubSasKey);
//Get some of event cs properties from hub cs
string iotHubSasKeyName = Azure_IoTHub_Connections.MyConnections.IotHubKeyName;
EventHubsConnectionStringBuilder EventHubConnectionString = null;
if (Azure_IoTHub_Connections.MyConnections.EHMethod1)
{
EventHubConnectionString = new EventHubsConnectionStringBuilder(Azure_IoTHub_Connections.MyConnections.EventHubsConnectionString);
}
else
{
EventHubConnectionString = new EventHubsConnectionStringBuilder(
new Uri(Azure_IoTHub_Connections.MyConnections.EventHubsCompatibleEndpoint),
Azure_IoTHub_Connections.MyConnections.EventHubsCompatiblePath,
Azure_IoTHub_Connections.MyConnections.IotHubKeyName,
Azure_IoTHub_Connections.MyConnections.EventHubsSasKey);
}
s_eventHubClient = EventHubClient.CreateFromConnectionString(EventHubConnectionString.ToString());
// Create a PartitionReciever for each partition on the hub.
var runtimeInfo = await s_eventHubClient.GetRuntimeInformationAsync();
var d2cPartitions = runtimeInfo.PartitionIds;
cts = new CancellationTokenSource();
//System.Diagnostics.Debug.CancelKeyPress += (s, e) =>
//{
// e.Cancel = true;
// cts.Cancel();
// System.Diagnostics.Debug.WriteLine("Exiting...");
//};
var tasks = new List <Task>();
foreach (string partition in d2cPartitions)
{
tasks.Add(ReceiveMessagesFromDeviceAsync(partition, cts.Token));
}
// Wait for all the PartitionReceivers to finsih.
Task.WaitAll(tasks.ToArray());
OnSvcStatusUpdate?.Invoke("Telemetry: All Threads Done.");
}
public static async Task Run(int delay, int timeout, int tag, ActionReceivedText setDeviceSentMsg, ActionReceivedText OnDeviceStatusUpdate)
{
SetDeviceSentMsg = setDeviceSentMsg;
if (Azure_IoTHub_Sensors.Weather.CurrentWeather == null)
{
Azure_IoTHub_Sensors.Weather.CurrentWeather = new Azure_IoTHub_Sensors.Weather_Random();
}
OnDeviceStatusUpdateD = OnDeviceStatusUpdate;
OnDeviceStatusUpdateD?.Invoke("IoT Hub Telemetry #2 - Simulated device. ");
// Connect to the IoT hub using the MQTT protocol
s_deviceClient = DeviceClient.CreateFromConnectionString(s_connectionString, TransportType.Mqtt);
// Create a handler for the direct method call
await s_deviceClient.SetMethodHandlerAsync("SetTelemetryInterval", SetTelemetryInterval, null); //.Wait();
await s_deviceClient.SetMethodHandlerAsync("SetTelemetryInterval2", SetTelemetryInterval, null); //.Wait();
await SendDeviceToCloudMessagesAsync();
//System.Diagnostics.Debug.ReadLine();
OnDeviceStatusUpdateD?.Invoke("IoT Hub Telemetry #2 - Device done");
}
public DeviceStreamProxySvc(ServiceClient deviceClient, String deviceId, int localPort, ActionReceivedText onRecvdTextD = null, ActionReceivedText onStatusUpdateD = null)
{
sample = this;
OnRecvdTextD = onRecvdTextD;
OnStatusUpdateD = onStatusUpdateD;
_serviceClient = deviceClient;
_deviceId = deviceId;
_localPort = localPort;
}
public DeviceStreamSample(DeviceClient deviceClient, String host, int port, ActionReceivedText onRecvdText, ActionReceivedText onDeviceStatusUpdateD = null)
{
sample = this;
OnRecvdTextD = onRecvdText;
OnDeviceStatusUpdateD = onDeviceStatusUpdateD;
_deviceClient = deviceClient;
_host = host;
_port = port;
}
public static void Configure(string device_cs, bool isDeviceStreaming, TransportType transportType, bool loop, ActionReceivedText onDeviceStatusUpdateD = null, int delay = 1000)
{
Delay = delay;
OnDeviceStatusUpdateD = onDeviceStatusUpdateD;
IsDeviceStreaming = isDeviceStreaming;
s_connectionString = device_cs;
if (!IsDeviceStreaming)
{
s_deviceClient = DeviceClient.CreateFromConnectionString(s_connectionString, transportType);
}
ContinueLoop = true;
}
public DeviceStream_Svc(ServiceClient deviceClient, String deviceId, string msgOut, ActionReceivedText onRecvdTextD, int devKeepListening = 2, int devAutoStart = 2,ActionReceivedText onStatusUpdateD = null, bool keepAlive = false, bool responseExpected = true, DeviceAndSvcCurrentSettings svcCurrentSettings = null)
{
_serviceClient = deviceClient;
_deviceId = deviceId;
OnRecvdTextD = onRecvdTextD;
OnStatusUpdateD = onStatusUpdateD;
if (svcCurrentSettings != null)
SvcCurrentSettings = svcCurrentSettings;
else
SvcCurrentSettings = new DeviceAndSvcCurrentSettings();
SvcCurrentSettings.KeepAlive = keepAlive;
SvcCurrentSettings.ResponseExpected = responseExpected;
DevKeepListening = devKeepListening;
DevAutoStart = devAutoStart;
MsgOut = msgOut;
}
/// <summary>
/// The class constructor
/// </summary>
/// <param name="deviceClient">Instance of class for Device Steaming from the SDK</param>
/// <param name="_OnRecvText">Callback to handle received message, post stripping of flags</param>
/// <param name="deviceCurrentSettings">Optional custom class to handle processing of flags</param>
public DeviceStream_Device(DeviceClient deviceClient, ActionReceivedTextIO onRecvdText, ActionCommandD actionCommand = null, ActionReceivedText onDeviceStatusUpdateD = null, bool keepDeviceListening = false, DeviceAndSvcCurrentSettings deviceCurrentSettings = null)
{
this.deviceClient = deviceClient;
OnRecvdTextIO = onRecvdText;
OnDeviceStatusUpdateD = onDeviceStatusUpdateD;
KeepDeviceListening = keepDeviceListening;
ActionCmdD = actionCommand;
if (deviceCurrentSettings != null)
{
DeviceCurrentSettings = deviceCurrentSettings;
}
else
{
DeviceCurrentSettings = new DeviceAndSvcCurrentSettings();
}
DeviceCurrentSettings.KeepDeviceListening = KeepDeviceListening;
}
public static async Task Run(int DelayBetweenTelemetryReadings, int ConnectionTimeout, int MethodTimeout, int MethodTag, ActionReceivedText OnSvcStatusUpdate)
{
System.Diagnostics.Debug.WriteLine("1");
OnDeviceStatusUpdateD = OnSvcStatusUpdate;
//Azure_IoTHub_Connections.MyConnections.IoTHubConnectionString =
// "HostName=MyNewHub2.azure-devices.net;SharedAccessKeyName=service;SharedAccessKey=BuPhIaEYb7S/FK9ojoDqxi8jyUhCttokrcXDTJGwoNI=";
Azure_IoTHub_Connections.MyConnections.DeviceId = "MyNewDevice2";
System.Diagnostics.Debug.WriteLine("IoT Hub Quickstarts #2 - Back-end application.\n");
OnDeviceStatusUpdateD?.Invoke("IoT Hub Quickstarts #2 - Back-end application.");
//System.Diagnostics.Debug.ReadLine();
// Create a ServiceClient to communicate with service-facing endpoint on your hub.
System.Diagnostics.Debug.WriteLine("2");
s_connectionString =
Azure_IoTHub_Connections.MyConnections.IoTHubConnectionString;
s_serviceClient = ServiceClient.CreateFromConnectionString(s_connectionString);
System.Diagnostics.Debug.WriteLine("3");
await InvokeMethod(DelayBetweenTelemetryReadings, ConnectionTimeout, MethodTimeout, MethodTag); //.GetAwaiter().GetResult();
OnDeviceStatusUpdateD?.Invoke("Backend Done");
System.Diagnostics.Debug.WriteLine("Press Enter to exit.");
//System.Diagnostics.Debug.ReadLine();
}
public static async Task <string> Run(ActionReceivedText onDeviceStatusUpdateD = null, ActionReceivedText setDeviceSentMsg = null)
{
SetDeviceSentMsg = setDeviceSentMsg;
OnDeviceStatusUpdate = onDeviceStatusUpdateD;
if (Azure_IoTHub_Sensors.Weather.CurrentWeather == null)
{
Azure_IoTHub_Sensors.Weather.CurrentWeather = new Azure_IoTHub_Sensors.Weather_Random();
}
MessageString = "";
System.Diagnostics.Debug.WriteLine("IoT Hub Telemetry - Simulated device started.");
OnDeviceStatusUpdate?.Invoke("IoT Hub Telemetry - Simulated device started.");
// Connect to the IoT hub using the MQTT protocol
if (ControlDeviceMode)
{
// Create a handler for the direct method call
try
{
await s_deviceClient.SetMethodHandlerAsync("SetTelemetryInterval", SetTelemetryInterval, null);//.Wait();
} catch (Exception ex)
{
}
}
await SendDeviceToCloudMessagesAsync();
if (!IsDeviceStreaming)
{
System.Diagnostics.Debug.WriteLine("IoT Hub Telemetry - Device done");
OnDeviceStatusUpdate?.Invoke("IoT Hub Telemetry - Device done");
await s_deviceClient.CloseAsync();
MessageString = "";
}
return(MessageString);
}
public static async Task RunSvc(string s_connectionString, String deviceId, string msgOut, ActionReceivedText onRecvdTextD, int devKeepListening = 2, int devAutoStart = 2, ActionReceivedText oOnStatusUpdate = null, bool keepAlive = false, bool responseExpected = true, DeviceAndSvcCurrentSettings deviceAndSvcCurrentSettings = null)
{
if (deviceStream_Svc != null)
{
System.Diagnostics.Debug.WriteLine("Svc Socket is already open!");
return;
}
else
{
try
{
using (ServiceClient serviceClient = ServiceClient.CreateFromConnectionString(s_connectionString, DeviceStreamingCommon.s_transportType))
{
if (serviceClient == null)
{
System.Diagnostics.Debug.WriteLine("Failed to create SericeClient!");
//return null;
}
//Attach keepalive and respond info if set
deviceStream_Svc = new DeviceStream_Svc(serviceClient, deviceId, msgOut, onRecvdTextD, devKeepListening, devAutoStart, oOnStatusUpdate, keepAlive, responseExpected, deviceAndSvcCurrentSettings);
if (deviceStream_Svc == null)
{
System.Diagnostics.Debug.WriteLine("Failed to create DeviceStreamSvc!");
}
else
{
try
{
await deviceStream_Svc.RunSvcAsync();//.GetAwaiter().GetResult();
}
catch (Microsoft.Azure.Devices.Client.Exceptions.IotHubCommunicationException)
{
System.Diagnostics.Debug.WriteLine("3 Error RunSvc(): Hub connection failure");
}
catch (Microsoft.Azure.Devices.Common.Exceptions.DeviceNotFoundException)
{
System.Diagnostics.Debug.WriteLine("3 Error RunSvc(): Device not found");
}
catch (TaskCanceledException)
{
System.Diagnostics.Debug.WriteLine("3 Error RunSvc(): Task canceled");
}
catch (OperationCanceledException)
{
System.Diagnostics.Debug.WriteLine("3 Error RunSvc(): Operation canceled");
}
catch (Exception ex)
{
if (!ex.Message.Contains("Timed out"))
{
System.Diagnostics.Debug.WriteLine("3 Error RunSvc(): " + ex.Message);
}
else
{
System.Diagnostics.Debug.WriteLine("3 Error RunSvc(): Timeout");
}
}
}
}
}
catch (Microsoft.Azure.Devices.Client.Exceptions.IotHubCommunicationException)
{
System.Diagnostics.Debug.WriteLine("4 Error RunSvc(): Hub connection failure");
}
catch (Microsoft.Azure.Devices.Common.Exceptions.DeviceNotFoundException)
{
System.Diagnostics.Debug.WriteLine("4 Error RunSvc(): Device not found");
}
catch (TaskCanceledException)
{
System.Diagnostics.Debug.WriteLine("4 Error RunSvc(): Task canceled");
}
catch (OperationCanceledException)
{
System.Diagnostics.Debug.WriteLine("4 Error RunSvc(): Operation canceled");
}
catch (Exception ex)
{
if (!ex.Message.Contains("Timeout"))
{
System.Diagnostics.Debug.WriteLine("4 Error RunSvc(): " + ex.Message);
}
else
{
System.Diagnostics.Debug.WriteLine("4 Error RunSvc(): Timeout");
}
}
}
}
/// <summary>
/// Method called from app to instantiate this class and start Device Streaming on Device.
/// </summary>
/// <param name="device_cs">Device Id eg "MyDevice"</param>
/// <param name="onRecvdTextD">Callback to handle received message, post stripping of flags</param>
/// <param name="deviceCurrentSettings">Optional custom class to handle processing of flags</param>
/// <returns>The running task</returns>
public static async Task RunDevice(string device_cs, ActionReceivedTextIO onRecvdTextD, ActionReceivedText onDeviceStatusUpdateD = null, ActionCommandD actionCommandD = null, bool keepDeviceListening = false, DeviceAndSvcCurrentSettings deviceCurrentSettings = null)
{
bool __keepDeviceListening = false;
do
{
TransportType device_hubTransportTryp = DeviceStreamingCommon.device_transportType;
try
{
using (DeviceClient deviceClient = DeviceClient.CreateFromConnectionString(device_cs, device_hubTransportTryp))
{
if (deviceClient == null)
{
System.Diagnostics.Debug.WriteLine("Failed to create DeviceClient!");
//return null;
}
deviceStream_Device = new DeviceStream_Device(deviceClient, onRecvdTextD, actionCommandD, onDeviceStatusUpdateD, keepDeviceListening, deviceCurrentSettings);
if (deviceStream_Device == null)
{
System.Diagnostics.Debug.WriteLine("Failed to create DeviceStreamClient!");
//return null;
}
try
{
await deviceStream_Device.RunDeviceAsync();//.GetAwaiter().GetResult();
}
catch (Microsoft.Azure.Devices.Client.Exceptions.IotHubCommunicationException)
{
System.Diagnostics.Debug.WriteLine("3 Error RunDevice(): Hub connection failure");
}
catch (Microsoft.Azure.Devices.Common.Exceptions.DeviceNotFoundException)
{
System.Diagnostics.Debug.WriteLine("3 Error RunDevice(): Device not found");
}
catch (TaskCanceledException)
{
System.Diagnostics.Debug.WriteLine("3 Error RunDevice(): Task canceled");
}
catch (OperationCanceledException)
{
System.Diagnostics.Debug.WriteLine("3 Error RunDevice(): Operation canceled");
}
catch (Exception ex)
{
if (!ex.Message.Contains("Timed out"))
{
System.Diagnostics.Debug.WriteLine("3 Error RunDevice(): " + ex.Message);
}
else
{
System.Diagnostics.Debug.WriteLine("3 Error RunDevice(): Timeout");
}
}
}
//return null;
}
catch (Microsoft.Azure.Devices.Client.Exceptions.IotHubCommunicationException)
{
System.Diagnostics.Debug.WriteLine("4 Error RunDevice(): Hub connection failure");
}
catch (Microsoft.Azure.Devices.Common.Exceptions.DeviceNotFoundException)
{
System.Diagnostics.Debug.WriteLine("4 Error RunDevice(): Device not found");
}
catch (TaskCanceledException)
{
System.Diagnostics.Debug.WriteLine("4 Error RunDevice(): Task canceled");
}
catch (OperationCanceledException eex)
{
System.Diagnostics.Debug.WriteLine("4 Error RunDevice(): Operation canceled \r\n" + eex.Message);
}
catch (Exception ex)
{
if (!ex.Message.Contains("Timeout"))
{
System.Diagnostics.Debug.WriteLine("4 Error RunDevice(): " + ex.Message);
}
else
{
System.Diagnostics.Debug.WriteLine("4 Error RunDevice(): Timeout");
}
}
__keepDeviceListening = deviceStream_Device.DeviceCurrentSettings.KeepDeviceListening;
if (__keepDeviceListening)
{
deviceStream_Device.UpdateStatus("Continuing to listen");
}
else
{
deviceStream_Device.UpdateStatus("Not listening");
}
//Nb: deviceStream_Device is disposed here.
} while (__keepDeviceListening);
}
