public async override Task DoWork()
{
if (Controller.DidTimeoutOccur || Controller.DeviceEvent != DeviceEvent.None)
{
// recover device to idle
IDeviceCancellationBroker cancellationBroker = Controller.GetDeviceCancellationBroker();
LinkRequest linkRequest = StateObject as LinkRequest;
LinkDeviceIdentifier deviceIdentifier = linkRequest.GetDeviceIdentifier();
ICardDevice cardDevice = FindTargetDevice(deviceIdentifier);
if (cardDevice != null)
{
var timeoutPolicy = await cancellationBroker.ExecuteWithTimeoutAsync <bool>(
_ => cardDevice.DeviceRecovery(),
DeviceConstants.DeviceRecoveryTimeout,
this.CancellationToken);
if (timeoutPolicy.Outcome == Polly.OutcomeType.Failure)
{
//_ = Controller.LoggingClient.LogErrorAsync("Unable to recover device.");
Console.WriteLine("Unable to recover device.");
}
}
}
if (StateObject != null)
{
Controller.SaveState(StateObject);
}
_ = Complete(this);
}
public bool DiscoverDevices(string name)
{
ICardDevice device = DeviceProvider.GetDevice(name);
if (device == null)
{
throw new Exception(StringValueAttribute.GetStringValue(DeviceDiscovery.NoDeviceAvailable));
}
return(device.Name.Equals(name, StringComparison.OrdinalIgnoreCase));
}
private protected ICardDevice FindMatchingDevice(LinkDeviceIdentifier deviceIdentifier)
{
ICardDevice cardDevice = null;
foreach (var device in Controller.TargetDevices)
{
if (device.DeviceInformation != null)
{
if (device.DeviceInformation.Manufacturer.Equals(deviceIdentifier.Manufacturer, StringComparison.CurrentCultureIgnoreCase) &&
device.DeviceInformation.Model.Equals(deviceIdentifier.Model, StringComparison.CurrentCultureIgnoreCase) &&
device.DeviceInformation.SerialNumber.Equals(deviceIdentifier.SerialNumber, StringComparison.CurrentCultureIgnoreCase))
{
cardDevice = device;
break;
}
}
}
return(cardDevice);
}
public override async Task DoWork()
{
if (StateObject is null)
{
//_ = Controller.LoggingClient.LogErrorAsync("Unable to find a state object while attempting to call abort command.");
Console.WriteLine("Unable to find a state object while attempting to call abort command.");
_ = Error(this);
}
else
{
LinkRequest linkRequest = StateObject as LinkRequest;
LinkDeviceIdentifier deviceIdentifier = linkRequest.GetDeviceIdentifier();
IDeviceCancellationBroker cancellationBroker = Controller.GetDeviceCancellationBroker();
ICardDevice cardDevice = FindTargetDevice(deviceIdentifier);
if (cardDevice != null)
{
var timeoutPolicy = await cancellationBroker.ExecuteWithTimeoutAsync <LinkRequest>(
_ => cardDevice.AbortCommand(linkRequest),
DeviceConstants.CardCaptureTimeout,
this.CancellationToken);
if (timeoutPolicy.Outcome == Polly.OutcomeType.Failure)
{
//_ = Controller.LoggingClient.LogErrorAsync($"Unable to process Abort request from device - '{Controller.DeviceEvent}'.");
Console.WriteLine($"Unable to process Abort request from device - '{Controller.DeviceEvent}'.");
BuildSubworkflowErrorResponse(linkRequest, cardDevice.DeviceInformation, Controller.DeviceEvent);
}
}
else
{
UpdateRequestDeviceNotFound(linkRequest, deviceIdentifier);
}
Controller.SaveState(linkRequest);
_ = Complete(this);
}
}
public override Task DoWork()
{
string pluginPath = Controller.PluginPath;
List <ICardDevice> availableCardDevices = null;
List <ICardDevice> discoveredCardDevices = null;
List <ICardDevice> validatedCardDevices = null;
try
{
availableCardDevices = Controller.DevicePluginLoader.FindAvailableDevices(pluginPath);
// filter out devices that are disabled
if (availableCardDevices.Count > 0)
{
DeviceSection deviceSection = Controller.Configuration;
foreach (var device in availableCardDevices)
{
switch (device.ManufacturerConfigID)
{
case "IdTech":
{
device.SortOrder = deviceSection.IdTech.SortOrder;
break;
}
case "Verifone":
{
device.SortOrder = deviceSection.Verifone.SortOrder;
break;
}
case "Simulator":
{
device.SortOrder = deviceSection.Simulator.SortOrder;
break;
}
}
}
availableCardDevices.RemoveAll(x => x.SortOrder == -1);
if (availableCardDevices?.Count > 1)
{
availableCardDevices.Sort();
}
}
// Probe validated devices
discoveredCardDevices = new List <ICardDevice>();
validatedCardDevices = new List <ICardDevice>();
validatedCardDevices.AddRange(availableCardDevices);
for (int i = validatedCardDevices.Count - 1; i >= 0; i--)
{
if (string.Equals(availableCardDevices[i].ManufacturerConfigID, DeviceType.NoDevice.ToString(), StringComparison.OrdinalIgnoreCase))
{
continue;
}
bool success = false;
try
{
List <DeviceInformation> deviceInformation = availableCardDevices[i].DiscoverDevices();
if (deviceInformation == null)
{
continue;
}
foreach (var deviceInfo in deviceInformation)
{
DeviceConfig deviceConfig = new DeviceConfig()
{
Valid = true
};
SerialDeviceConfig serialConfig = new SerialDeviceConfig
{
CommPortName = Controller.Configuration.DefaultDevicePort
};
deviceConfig.SetSerialDeviceConfig(serialConfig);
ICardDevice device = validatedCardDevices[i].Clone() as ICardDevice;
device.DeviceEventOccured += Controller.DeviceEventReceived;
// Device powered on status capturing: free up the com port and try again.
// This occurs when a USB device repowers the USB interface and the virtual port is open.
CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
IDeviceCancellationBroker cancellationBroker = Controller.GetCancellationBroker();
var timeoutPolicy = cancellationBroker.ExecuteWithTimeoutAsync <List <LinkErrorValue> >(
_ => device.Probe(deviceConfig, deviceInfo, out success),
Timeouts.DALGetStatusTimeout,
CancellationToken.None);
if (timeoutPolicy.Result.Outcome == Polly.OutcomeType.Failure)
{
Console.WriteLine($"Unable to obtain device status for - '{device.Name}'.");
device.DeviceEventOccured -= Controller.DeviceEventReceived;
device?.Dispose();
LastException = new StateException("Unable to find a valid device to connect to.");
_ = Error(this);
return(Task.CompletedTask);
}
else if (success)
{
discoveredCardDevices.Add(device);
}
}
}
catch (Exception e)
{
Console.WriteLine($"device: exception='{e.Message}'");
discoveredCardDevices[i].DeviceEventOccured -= Controller.DeviceEventReceived;
// Consume failures
if (success)
{
success = false;
}
}
if (success)
{
continue;
}
validatedCardDevices.RemoveAt(i);
}
}
catch
{
availableCardDevices = new List <ICardDevice>();
}
if (discoveredCardDevices?.Count > 1)
{
discoveredCardDevices.Sort();
}
if (discoveredCardDevices?.Count > 0)
{
Controller.SetTargetDevices(discoveredCardDevices);
}
if (Controller.TargetDevices != null)
{
foreach (var device in Controller.TargetDevices)
{
//Controller.LoggingClient.LogInfoAsync($"Device found: name='{device.Name}', model={device.DeviceInformation.Model}, " +
// $"serial={device.DeviceInformation.SerialNumber}");
Console.WriteLine($"Device found: name='{device.Name}', model='{device?.DeviceInformation?.Model}', " +
$"serial='{device?.DeviceInformation?.SerialNumber}'");
device.DeviceSetIdle();
}
}
else
{
//Controller.LoggingClient.LogInfoAsync("Unable to find a valid device to connect to.");
Console.WriteLine("Unable to find a valid device to connect to.");
LastException = new StateException("Unable to find a valid device to connect to.");
_ = Error(this);
return(Task.CompletedTask);
}
_ = Complete(this);
return(Task.CompletedTask);
}
private async Task ProcessListenerRequest(LinkRequest linkRequest)
{
try
{
//_ = Controller.LoggingClient.LogInfoAsync($"Received from {linkRequest}");
Console.WriteLine($"Received from {linkRequest}");
LinkRequest linkRequestResponse = null;
bool deviceConnected = false;
// Setup workflow
WorkflowOptions workflowOptions = new WorkflowOptions();
workflowOptions.StateObject = linkRequest;
Controller.SaveState(workflowOptions);
// Payment: targeted device
if (linkRequest.Actions?[0]?.Action == LinkAction.Payment ||
linkRequest.Actions?[0]?.Action == LinkAction.DALAction)
{
LinkDeviceIdentifier deviceIdentifier = linkRequest.GetDeviceIdentifier();
ICardDevice cardDevice = FindTargetDevice(deviceIdentifier);
if (cardDevice != null)
{
deviceConnected = cardDevice.IsConnected(linkRequest);
if (deviceConnected)
{
workflowOptions.StateObject = linkRequest;
}
}
}
else
{
// Session: device discovery
foreach (var device in Controller.TargetDevices)
{
deviceConnected = device.IsConnected(linkRequest);
if (deviceConnected)
{
workflowOptions.StateObject = linkRequest;
}
}
}
if (deviceConnected)
{
Controller.SaveState(workflowOptions);
}
else
{
//linkRequestResponse = RequestHelper.LinkRequestResponseError(linkRequest, ErrorCodes.NoDevice, ErrorDescriptions.DeviceNotFound);
object response = JsonConvert.SerializeObject(linkRequestResponse);
//_ = Controller.LoggingClient.LogInfoAsync($"Sending to Listener");
Console.WriteLine($"Sending to Listener");
//await Controller.Connector.Publish(response, new TopicOption[] { TopicOption.Servicer }).ConfigureAwait(false);
}
}
catch (Exception e)
{
//_ = Controller.LoggingClient.LogErrorAsync($"{e.Message} {linkRequest}");
Console.WriteLine($"{e.Message} {linkRequest}");
//if (Controller.Connector != null)
//{
// await Controller.Connector.Publish(RequestHelper.LinkRequestResponseError(null, ErrorCodes.DalError, e.Message), new TopicOption[] { TopicOption.Servicer }).ConfigureAwait(false);
//}
}
}
