/// <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 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;
}
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);
}