protected override void OnStart(string[] args)
{
base.OnStart(args);
string logSource = "_TransportEventLog";
if (!EventLog.SourceExists(logSource))
{
EventLog.CreateEventSource(logSource, logSource);
}
EventLogTraceListener myTraceListener = new EventLogTraceListener(logSource);
// Add the event log trace listener to the collection.
Trace.Listeners.Add(myTraceListener);
if (args.Length == 0)
{
// Retrieve the arguments from the service ImagePath
args = Environment.GetCommandLineArgs();
}
if (args.Length > 0)
{
if (((ICollection <string>)args).Contains("-debug"))
{
Debug = true;
}
if (((ICollection <string>)args).Any(a => a.Contains("-timer")))
{
IEnumerable <string> timerStrings = ((ICollection <string>)args).Where(a => a.Contains("-timer"));
if (timerStrings.Count() == 1)
{
try
{
string timerString = timerStrings.First();
int index = timerString.IndexOf('=');
string timerSeconds = timerString.Substring(index + 1);
Timer = Convert.ToInt32(timerSeconds);
}
catch
{
Timer = 1;
EventLog.WriteEntry(SERVICE_NAME, "Error parsing the -timer command line argument. Setting timer to 1 second.");
}
}
}
}
//load args in to dictionary
Dictionary <string, string> parameters = new Dictionary <string, string>();
if (args != null)
{
for (int i = 0; i < args.Length; i++)
{
if ("/T".Equals(args[i]))
{
parameters.Add("/T", "true");
}
else if (i + 1 < args.Length)
{
parameters.Add(args[i], args[++i]);
}
}
}
IWebSocketConnection sendSocket = null;
Action <IWebSocketConnection> serverSocket = socket =>
{
socket.OnOpen = () =>
{
Console.WriteLine("Open! " + clientConnections.Count);
if (clientConnections.Count > 0)
{
if (clientConnections[0].IsAvailable)
{
socket.Close();
connectorListener.OnDeviceError(new CloverDeviceErrorEvent(CloverDeviceErrorEvent.CloverDeviceErrorType.EXCEPTION, 0, null, "Another client is already connected"));
return;
}
}
sendSocket = socket;
clientConnections.Add(socket);
connectorListener.WebSocket = sendSocket;
connectorListener.SendConnectionStatus();
};
socket.OnClose = () =>
{
clientConnections.Remove(socket);
Console.WriteLine("Close!");
connectorListener.WebSocket = null;
};
socket.OnMessage = message =>
{
try
{
JObject jsonObj = (JObject)JsonConvert.DeserializeObject(message);
JToken method = jsonObj.GetValue(ServicePayloadConstants.PROP_METHOD);
JObject payload = (JObject)jsonObj.GetValue(ServicePayloadConstants.PROP_PAYLOAD);
WebSocketMethod wsm = (WebSocketMethod)Enum.Parse(typeof(WebSocketMethod), method.ToString());
switch (wsm)
{
case WebSocketMethod.Status:
{
connectorListener.SendConnectionStatus();
break;
}
case WebSocketMethod.OpenCashDrawer:
{
OpenCashDrawerRequest request = JsonUtils.Deserialize <OpenCashDrawerRequest>(payload.ToString());
cloverConnector.OpenCashDrawer(request);
break;
}
case WebSocketMethod.ShowMessage:
{
string msg = ((JObject)payload).GetValue("Message").Value <string>();
cloverConnector.ShowMessage(msg);
break;
}
case WebSocketMethod.ShowThankYouScreen:
{
cloverConnector.ShowThankYouScreen();
break;
}
case WebSocketMethod.ShowWelcomeScreen:
{
cloverConnector.ShowWelcomeScreen();
break;
}
case WebSocketMethod.Break: // deprecated. use ResetDevice
case WebSocketMethod.ResetDevice:
{
cloverConnector.ResetDevice();
break;
}
case WebSocketMethod.PrintText:
{
JArray messages = (JArray)payload.GetValue("Messages");
List <string> messageList = new List <string>();
foreach (string msg in messages)
{
messageList.Add(msg);
}
cloverConnector.Print(new PrintRequest()
{
text = messageList
});
break;
}
case WebSocketMethod.PrintImage:
{
string base64Img = ((JObject)payload).GetValue("Bitmap").Value <string>();
byte[] imgBytes = Convert.FromBase64String(base64Img);
MemoryStream ms = new MemoryStream();
ms.Write(imgBytes, 0, imgBytes.Length);
Bitmap bp = new Bitmap(ms);
ms.Close();
cloverConnector.Print(new PrintRequest()
{
images = new List <Bitmap> {
bp
}
});
break;
}
case WebSocketMethod.PrintImageFromURL:
{
string url = ((JObject)payload).GetValue("Url").Value <string>();
cloverConnector.Print(new PrintRequest()
{
imageURLs = new List <string> {
url
}
});
break;
}
case WebSocketMethod.Auth:
{
AuthRequest authRequest = JsonUtils.Deserialize <AuthRequest>(payload.ToString());
cloverConnector.Auth(authRequest);
break;
}
case WebSocketMethod.PreAuth:
{
PreAuthRequest preAuthRequest = JsonUtils.Deserialize <PreAuthRequest>(payload.ToString());
cloverConnector.PreAuth(preAuthRequest);
break;
}
case WebSocketMethod.TipAdjustAuth:
{
TipAdjustAuthRequest tipAdjustRequest = JsonUtils.Deserialize <TipAdjustAuthRequest>(payload.ToString());
cloverConnector.TipAdjustAuth(tipAdjustRequest);
break;
}
case WebSocketMethod.CapturePreAuth:
{
CapturePreAuthRequest capturePreAuthRequest = JsonUtils.Deserialize <CapturePreAuthRequest>(payload.ToString());
cloverConnector.CapturePreAuth(capturePreAuthRequest);
break;
}
case WebSocketMethod.Sale:
{
SaleRequest saleRequest = JsonUtils.Deserialize <SaleRequest>(payload.ToString());
cloverConnector.Sale(saleRequest);
break;
}
case WebSocketMethod.InvokeInputOption:
{
InputOption io = JsonUtils.Deserialize <InputOption>(payload.ToString());
cloverConnector.InvokeInputOption(io);
break;
}
case WebSocketMethod.VoidPayment:
{
VoidPaymentRequest request = JsonUtils.Deserialize <VoidPaymentRequest>(payload.ToString());
cloverConnector.VoidPayment(request);
break;
}
case WebSocketMethod.ManualRefund:
{
ManualRefundRequest mrr = JsonUtils.Deserialize <ManualRefundRequest>(payload.ToString());
cloverConnector.ManualRefund(mrr);
break;
}
case WebSocketMethod.RefundPayment:
{
RefundPaymentRequest request = JsonUtils.Deserialize <RefundPaymentRequest>(payload.ToString());
cloverConnector.RefundPayment(request);
break;
}
case WebSocketMethod.DisplayPaymentReceiptOptions:
{
DisplayPaymentReceiptOptionsRequest request = JsonUtils.Deserialize <DisplayPaymentReceiptOptionsRequest>(payload.ToString());
cloverConnector.DisplayPaymentReceiptOptions(request);
break;
}
case WebSocketMethod.ShowDisplayOrder:
{
com.clover.remote.order.DisplayOrder displayOrder = JsonUtils.Deserialize <com.clover.remote.order.DisplayOrder>(payload.ToString());
cloverConnector.ShowDisplayOrder(displayOrder);
break;
}
case WebSocketMethod.AcceptSignature:
{
WSVerifySignatureRequest svr = JsonUtils.Deserialize <WSVerifySignatureRequest>(payload.ToString());
cloverConnector.AcceptSignature(svr);
break;
}
case WebSocketMethod.RejectSignature:
{
WSVerifySignatureRequest svr = JsonUtils.Deserialize <WSVerifySignatureRequest>(payload.ToString());
cloverConnector.RejectSignature(svr);
break;
}
case WebSocketMethod.ConfirmPayment:
{
AcceptPayment acceptPayment = JsonUtils.Deserialize <AcceptPayment>(payload.ToString());
cloverConnector.AcceptPayment(acceptPayment.Payment);
break;
}
case WebSocketMethod.RejectPayment:
{
RejectPayment rp = JsonUtils.Deserialize <RejectPayment>(payload.ToString());
cloverConnector.RejectPayment(rp.Payment, rp.Challenge);
break;
}
case WebSocketMethod.VaultCard:
{
VaultCardMessage vcm = JsonUtils.Deserialize <VaultCardMessage>(payload.ToString());
cloverConnector.VaultCard(vcm.cardEntryMethods);
break;
}
case WebSocketMethod.ReadCardData:
{
ReadCardDataRequest request = JsonUtils.Deserialize <ReadCardDataRequest>(payload.ToString());
cloverConnector.ReadCardData(request);
break;
}
case WebSocketMethod.Closeout:
{
CloseoutRequest cr = new CloseoutRequest();
cloverConnector.Closeout(cr);
break;
}
case WebSocketMethod.RetrievePendingPayments:
{
cloverConnector.RetrievePendingPayments();
break;
}
case WebSocketMethod.StartCustomActivity:
{
CustomActivityRequest request = JsonUtils.Deserialize <CustomActivityRequest>(payload.ToString());
cloverConnector.StartCustomActivity(request);
break;
}
case WebSocketMethod.RetrieveDeviceStatus:
{
RetrieveDeviceStatusRequest request = JsonUtils.Deserialize <RetrieveDeviceStatusRequest>(payload.ToString());
cloverConnector.RetrieveDeviceStatus(request);
break;
}
case WebSocketMethod.SendMessageToActivity:
{
MessageToActivity mta = JsonUtils.Deserialize <MessageToActivity>(payload.ToString());
cloverConnector.SendMessageToActivity(mta);
break;
}
case WebSocketMethod.RetrievePaymentRequest:
{
RetrievePaymentRequest rpr = JsonUtils.Deserialize <RetrievePaymentRequest>(payload.ToString());
cloverConnector.RetrievePayment(rpr);
break;
}
case WebSocketMethod.RetrievePrintersRequest:
{
RetrievePrintersRequest rpr = JsonUtils.Deserialize <RetrievePrintersRequest>(payload.ToString());
cloverConnector.RetrievePrinters(rpr);
break;
}
case WebSocketMethod.PrintJobStatusRequest:
{
PrintJobStatusRequest req = JsonUtils.Deserialize <PrintJobStatusRequest>(payload.ToString());
cloverConnector.RetrievePrintJobStatus(req);
break;
}
case WebSocketMethod.PrintRequest:
{
PrintRequest64Message request = JsonUtils.Deserialize <PrintRequest64Message>(payload.ToString());
PrintRequest printRequest = null;
if (request.base64strings.Count > 0)
{
byte[] imgBytes = Convert.FromBase64String(request.base64strings[0]);
MemoryStream ms = new MemoryStream();
ms.Write(imgBytes, 0, imgBytes.Length);
Bitmap bp = new Bitmap(ms);
ms.Close();
printRequest = new PrintRequest(bp, request.externalPrintJobId, request.printDeviceId);
}
else if (request.imageUrls.Count > 0)
{
printRequest = new PrintRequest(request.imageUrls[0], request.externalPrintJobId, request.printDeviceId);
}
else if (request.textLines.Count > 0)
{
printRequest = new PrintRequest(request.textLines, request.externalPrintJobId, request.printDeviceId);
}
cloverConnector.Print(printRequest);
break;
}
default:
{
Console.WriteLine("received unknown websocket method: " + method.ToString() + " in CloverWebSocketService.");
break;
}
}
}
catch (InvalidOperationException ioe)
{
Console.WriteLine(ioe.Message);
socket.Send("Error Deserializing");
}
catch (Exception e)
{
Console.WriteLine(e.Message);
socket.Send("Error Parsing: " + message);
}
};
};
InitializeConnector(parameters);
server.Start(serverSocket);
}
/// <summary>
/// Handle OnConfirmPaymentRequest to decide whether an otherwise valid payment from the user should be accepted or rejected:
/// For example: The payment may be a duplicate payment
/// The payment device may have lost connection with the payment server and be in offline mode (store process payments later)
///
/// Here is where business logic like "accept payments under $10 even if offline, but reject larger payments" can be called.
/// Or the Point of Sale application may propmt the user/cashier in some circumstances.
/// This allows a business to manage their risk of nonpayment and return - some payment processing and banking agreements handle
/// fraud responsibility differently in some of these circumstances.
///
/// </summary>
public override void OnConfirmPaymentRequest(ConfirmPaymentRequest request)
{
// For simplicity in this sample, accept all payments (Duplicate and Offline)
cloverConnector.AcceptPayment(request.Payment);
}