private void searchUsb()
{
Logger.Write("Start search Usb printers");
// process connection to Usb
PrinterZebra.EPrinterConnectionType connType = PrinterZebra.EPrinterConnectionType.eUSB;
if (deviceAdress != null && !PrinterManager.Instance.hasPrinter(deviceAdress))
{
Logger.Write("Start search in address: " + deviceAdress);
ConnecttionJob job = zebraSingleton.tryToConnect(0, deviceAdress, ZebraConstants.connectionTimeout, connType);
if (job.Connection != null)
{
PrinterManager.Instance.addPrinterWithID(deviceAdress, 0, connType);
if (!isSearchStopped)
{
zebraSingleton.sendConnectResult(job.FriendlyName, deviceAdress, 0, connType, oResult);
}
job.Close();
}
}
else
{
List <String> usbPrinterAddresses = new List <String>();
usbPrinterAddresses.Add("LPT1:");
usbPrinterAddresses.Add("LPT2:");
foreach (String printerAddress in usbPrinterAddresses)
{
if (isSearchStopped)
{
break;
}
Logger.Write("searching in address: " + printerAddress);
if (!PrinterManager.Instance.hasPrinter(printerAddress))
{
ConnecttionJob job = zebraSingleton.tryToConnect(0, printerAddress, ZebraConstants.connectionTimeout, connType);
if (job.Connection != null)
{
Logger.Write("Found printer on address: " + printerAddress);
PrinterManager.Instance.addPrinterWithID(printerAddress, 0, connType);
zebraSingleton.sendConnectResult(job.FriendlyName, printerAddress, 0, connType, oResult);
job.Close();
}
}
}
}
}
public ConnecttionJob tryToConnect(Int32 port, string deviceAdress, int timeout, PrinterZebra.EPrinterConnectionType connType)
{
Logger.Write("tryToConnect: " + port.ToString() + ", " + deviceAdress + ", " + timeout.ToString());
ConnecttionJob job = new ConnecttionJob();
job.MaxTimeoutForRead = 0;
job.TimeToWaitForMoreData = 0;
job.Port = port;
job.Address = deviceAdress;
job.ConnectionType = connType;
job.Connect(timeout);
return(job);
}
private void tryToConnectInFoundPrinters(IMethodResult oResult)
{
IMethodResult result = new SleepMethodResult(500);
List <string> badPrinters = new List <string>();
Logger.Write("tryToConnect start [found printers]");
List <string> printerKeys = PrinterManager.Instance.getPrintersKeys();
foreach (string printerKey in printerKeys)
{
PrinterZebra printer = PrinterManager.Instance.getPrinter(printerKey);
string deviceAdress = printer.ID;
Int32 port = printer.Port;
Logger.Write("searching in address [found printers]: " + deviceAdress);
ConnecttionJob job = tryToConnect(port, deviceAdress, ZebraConstants.connectionTimeout, printer.connectionType);
if (job.Connection != null)
{
Logger.Write("Found printer on address [found printers]: " + deviceAdress);
sendConnectResult(job.FriendlyName, deviceAdress, port, printer.connectionType, oResult);
job.Close();
}
else
{
Logger.Write("remove printer on address [found printers]: " + deviceAdress + " from cache.");
badPrinters.Add(printerKey);
}
}
PrinterManager.Instance.removePrinters(badPrinters);
}
public ConnecttionJob tryToConnect(Int32 port, string deviceAdress, int timeout, PrinterZebra.EPrinterConnectionType connType)
{
Logger.Write("tryToConnect: " + port.ToString() + ", " + deviceAdress + ", " + timeout.ToString());
ConnecttionJob job = new ConnecttionJob();
job.MaxTimeoutForRead = 0;
job.TimeToWaitForMoreData = 0;
job.Port = port;
job.Address = deviceAdress;
job.ConnectionType = connType;
job.Connect(timeout);
return job;
}
public void connectWithOptions(IReadOnlyDictionary<string, string> options, IMethodResult oResult)
{
Logger.Write("connectWithOptions call");
Logger.Write("options:", options);
string valueObj = null;
Int32 connectionTimeout = 0;
if (m_connection != null && m_connection.IsConnected() && m_printer != null)
{
m_connection.Close();
Thread.Sleep(1000);
m_connection = null;
m_printer = null;
}
if (options.ContainsKey(ZebraConstants.HK_TIMEOUT))
{
valueObj = options[ZebraConstants.HK_TIMEOUT];
if ((valueObj != null) && (valueObj is String))
{
try
{
connectionTimeout = Int32.Parse(valueObj.ToString());
}
catch (System.FormatException)
{
m_maxTimeoutForRead = 0;
}
}
}
if (options.ContainsKey(ZebraConstants.PROPERTY_MAX_TIMEOUT_FOR_READ))
{
valueObj = options[ZebraConstants.PROPERTY_MAX_TIMEOUT_FOR_READ];
if ((valueObj != null) && (valueObj is String))
{
try
{
m_maxTimeoutForRead = Int32.Parse(valueObj.ToString());
}
catch (System.FormatException)
{
m_maxTimeoutForRead = 0;
}
}
}
if (options.ContainsKey(ZebraConstants.PROPERTY_TIME_TO_WAIT_FOR_MORE_DATA))
{
valueObj = options[ZebraConstants.PROPERTY_TIME_TO_WAIT_FOR_MORE_DATA];
if ((valueObj != null) && (valueObj is String))
{
try
{
m_timeToWaitForMoreData = Int32.Parse(valueObj.ToString());
}
catch (System.FormatException)
{
m_maxTimeoutForRead = 0;
}
}
}
ConnecttionJob job = new ConnecttionJob();
job.Address = ID;
job.Port = Port;
job.ConnectionType = connectionType;
job.MaxTimeoutForRead = m_maxTimeoutForRead;
job.TimeToWaitForMoreData = m_timeToWaitForMoreData;
if (connectionTimeout == 0)
{
job.Connect();
}
else
{
if (!job.Connect(connectionTimeout))
{
oResult.set(ZebraConstants.PRINTER_STATUS_ERR_TIMEOUT);
return;
}
}
if (job.Connection != null && job.Printer != null)
{
m_connection = job.Connection;
m_printer = job.Printer;
oResult.set(ZebraConstants.PRINTER_STATUS_SUCCESS);
return;
}
oResult.set(ZebraConstants.PRINTER_STATUS_ERR_NOT_CONNECTED);
}
public void connectWithOptions(IReadOnlyDictionary <string, string> options, IMethodResult oResult)
{
Logger.Write("connectWithOptions call");
Logger.Write("options:", options);
string valueObj = null;
Int32 connectionTimeout = 0;
if (m_connection != null && m_connection.IsConnected() && m_printer != null)
{
m_connection.Close();
Thread.Sleep(1000);
m_connection = null;
m_printer = null;
}
if (options.ContainsKey(ZebraConstants.HK_TIMEOUT))
{
valueObj = options[ZebraConstants.HK_TIMEOUT];
if ((valueObj != null) && (valueObj is String))
{
try
{
connectionTimeout = Int32.Parse(valueObj.ToString());
}
catch (System.FormatException)
{
m_maxTimeoutForRead = 0;
}
}
}
if (options.ContainsKey(ZebraConstants.PROPERTY_MAX_TIMEOUT_FOR_READ))
{
valueObj = options[ZebraConstants.PROPERTY_MAX_TIMEOUT_FOR_READ];
if ((valueObj != null) && (valueObj is String))
{
try
{
m_maxTimeoutForRead = Int32.Parse(valueObj.ToString());
}
catch (System.FormatException)
{
m_maxTimeoutForRead = 0;
}
}
}
if (options.ContainsKey(ZebraConstants.PROPERTY_TIME_TO_WAIT_FOR_MORE_DATA))
{
valueObj = options[ZebraConstants.PROPERTY_TIME_TO_WAIT_FOR_MORE_DATA];
if ((valueObj != null) && (valueObj is String))
{
try
{
m_timeToWaitForMoreData = Int32.Parse(valueObj.ToString());
}
catch (System.FormatException)
{
m_maxTimeoutForRead = 0;
}
}
}
ConnecttionJob job = new ConnecttionJob();
job.Address = ID;
job.Port = Port;
job.ConnectionType = connectionType;
job.MaxTimeoutForRead = m_maxTimeoutForRead;
job.TimeToWaitForMoreData = m_timeToWaitForMoreData;
if (connectionTimeout == 0)
{
job.Connect();
}
else
{
if (!job.Connect(connectionTimeout))
{
oResult.set(ZebraConstants.PRINTER_STATUS_ERR_TIMEOUT);
return;
}
}
if (job.Connection != null && job.Printer != null)
{
m_connection = job.Connection;
m_printer = job.Printer;
oResult.set(ZebraConstants.PRINTER_STATUS_SUCCESS);
return;
}
oResult.set(ZebraConstants.PRINTER_STATUS_ERR_NOT_CONNECTED);
}
private void searchBluetooth()
{
Logger.Write("Start search Bluetooth printers");
// process connection to Bluetooth
PrinterZebra.EPrinterConnectionType connType = PrinterZebra.EPrinterConnectionType.eBluetooth;
if (deviceAdress != null && !PrinterManager.Instance.hasPrinter(deviceAdress))
{
Logger.Write("Start search in address: " + deviceAdress);
ConnecttionJob job = zebraSingleton.tryToConnect(0, deviceAdress, ZebraConstants.connectionTimeout, connType);
if (job.Connection != null)
{
PrinterManager.Instance.addPrinterWithID(deviceAdress, 0, connType);
if (!isSearchStopped)
{
zebraSingleton.sendConnectResult(job.FriendlyName, deviceAdress, 0, connType, oResult);
}
job.Close();
}
}
else
{
DiscoveredPrinter[] printers = null;
for (int attempt = 0; attempt < connettionAttempts; attempt++)
{
printers = BluetoothDiscoverer.FindPrinters();
if (printers.Length > 0)
{
break;
}
Thread.Sleep(500);
}
LogDiscoveryPrinters(printers);
foreach (DiscoveredPrinter printer in printers)
{
Logger.Write("searching in address: " + printer.Address);
if (PrinterManager.Instance.hasPrinter(printer.Address))
{
continue;
}
if (isSearchStopped == true)
{
return;
}
Logger.Write("Found printer on address: " + printer.Address);
//zebraSingleton.sendConnectResult(job.FriendlyName, printer.Address, 0, connType, oResult);
zebraSingleton.sendConnectResult(printer.Address, printer.Address, 0, connType, oResult);
}
}
}
private void searchWiFi()
{
Logger.Write("Start search TCP printers");
// process connection to TCP address
PrinterZebra.EPrinterConnectionType connType = PrinterZebra.EPrinterConnectionType.eTCP;
if (deviceAdress != null && devicePort > 0 && !PrinterManager.Instance.hasPrinter(deviceAdress))
{
Logger.Write("searching in address: " + deviceAdress);
ConnecttionJob job = zebraSingleton.tryToConnect(devicePort, deviceAdress, ZebraConstants.connectionTimeout, connType);
if (job.Connection != null)
{
Logger.Write("Found printer on address: " + deviceAdress);
PrinterManager.Instance.addPrinterWithID(deviceAdress, devicePort, connType);
if (!isSearchStopped)
{
zebraSingleton.sendConnectResult(job.FriendlyName, deviceAdress, devicePort, connType, oResult);
}
job.Close();
}
}
else
{
Logger.Write("Start search in TCP network");
DiscoveredPrinter[] printers = null;
for (int attempt = 0; attempt < connettionAttempts; attempt++)
{
printers = NetworkDiscoverer.LocalBroadcast();
if (printers.Length > 0)
{
break;
}
Thread.Sleep(500);
}
if (printers.Length == 0)
{
for (int attempt = 0; attempt < connettionAttempts; attempt++)
{
printers = NetworkDiscoverer.Multicast(5);
if (printers.Length > 0)
{
break;
}
Thread.Sleep(500);
}
}
LogDiscoveryPrinters(printers);
foreach (DiscoveredPrinter printer in printers)
{
if (isSearchStopped)
{
break;
}
Logger.Write("searching in address: " + printer.Address);
if ((printer is DiscoveredPrinterNetwork) && !PrinterManager.Instance.hasPrinter(printer.Address))
{
DiscoveredPrinterNetwork networkPrinter = (DiscoveredPrinterNetwork)printer;
ConnecttionJob job = zebraSingleton.tryToConnect(networkPrinter.Port, networkPrinter.Address, ZebraConstants.connectionTimeout, connType);
if (job.Connection != null)
{
Logger.Write("Found printer on address: " + printer.Address);
PrinterManager.Instance.addPrinterWithID(networkPrinter.Address, networkPrinter.Port, connType);
zebraSingleton.sendConnectResult(job.FriendlyName, networkPrinter.Address, networkPrinter.Port, connType, oResult);
job.Close();
}
}
}
}
}