public static IEnumerable <string> FindNetworkZebras() { var discoveryHandler = new NetworkDiscoveryHandler(); var timer = new System.Timers.Timer { Interval = 10, Enabled = true }; timer.Elapsed += discoveryHandler.End; var printers = new List <string>() { "dummy2" }; discoveryHandler.WhatDo = p => { var ip = p.DiscoveryDataMap["ADDRESS"]; var name = p.DiscoveryDataMap["SYSTEM_NAME"]; var strToAdd = $"Name: {name} IP: {ip}"; printers.Add(strToAdd); }; NetworkDiscoverer.SubnetSearch(discoveryHandler, SubnetIpRange); Thread.Sleep(10 * 256); return(printers); }
private void doSubnetSearch(String subnetRange) { try { DiscoveredPrinter[] printers = NetworkDiscoverer.SubnetSearch(subnetRange); displayPrinters(printers); } catch (DiscoveryException ex) { handleException(ex.Message); } }
/// <exception cref="ConnectionException"></exception> /// <exception cref="DiscoveryException"></exception> private void PerformDiscovery() { DiscoveryHandlerImpl discoveryHandler = new DiscoveryHandlerImpl(this); switch (discoveryMethodsDropdown.SelectedItem) { case DiscoveryMethod.DirectedBroadcast: NetworkDiscoverer.DirectedBroadcast(discoveryHandler, viewModel.IpAddress); break; case DiscoveryMethod.FindPrintersNearMe: NetworkDiscoverer.FindPrinters(discoveryHandler); break; case DiscoveryMethod.LocalBroadcast: NetworkDiscoverer.LocalBroadcast(discoveryHandler); break; case DiscoveryMethod.MulticastBroadcast: NetworkDiscoverer.Multicast(discoveryHandler, int.Parse(viewModel.NumberOfHops)); break; case DiscoveryMethod.SubnetSearch: NetworkDiscoverer.SubnetSearch(discoveryHandler, viewModel.SubnetRange); break; case DiscoveryMethod.ZebraUsbDrivers: try { discoveryHandler = null; discoverPrintersButton.IsEnabled = false; viewModel.DiscoveredPrinters.Clear(); foreach (DiscoveredPrinterDriver printer in UsbDiscoverer.GetZebraDriverPrinters()) { viewModel.DiscoveredPrinters.Add(printer); } } finally { SetDiscoverButtonState(true); } break; case DiscoveryMethod.UsbDirect: try { discoveryHandler = null; discoverPrintersButton.IsEnabled = false; viewModel.DiscoveredPrinters.Clear(); foreach (DiscoveredUsbPrinter printer in UsbDiscoverer.GetZebraUsbPrinters()) { viewModel.DiscoveredPrinters.Add(printer); } } finally { SetDiscoverButtonState(true); } break; case DiscoveryMethod.Bluetooth: BluetoothDiscoverer.FindPrinters(discoveryHandler); break; } }
private async void DiscoverPrintersButton_Clicked(object sender, EventArgs eventArgs) { SetInputEnabled(false); try { ClearDiscoveredPrinters(); DiscoveryHandlerImplementation discoveryHandler = new DiscoveryHandlerImplementation(this); await Task.Factory.StartNew(() => { switch (GetSelectedDiscoveryMethod()) { case DiscoveryMethod.LocalBroadcast: NetworkDiscoverer.LocalBroadcast(discoveryHandler); break; case DiscoveryMethod.DirectedBroadcast: NetworkDiscoverer.DirectedBroadcast(discoveryHandler, IpAddressEntry.Text); break; case DiscoveryMethod.MulticastBroadcast: if (string.IsNullOrWhiteSpace(NumberOfHopsEntry.Text)) { throw new ArgumentException("Number of hops must not be empty"); } try { NetworkDiscoverer.Multicast(discoveryHandler, int.Parse(NumberOfHopsEntry.Text)); } catch (FormatException) { Device.BeginInvokeOnMainThread(async() => { await DisplayAlert("Format Error", "Number of hops must be an integer", "OK"); }); } finally { SetInputEnabled(true); } break; case DiscoveryMethod.SubnetSearch: if (string.IsNullOrWhiteSpace(SubnetRangeEntry.Text)) { throw new ArgumentException("Subnet range must not be empty"); } NetworkDiscoverer.SubnetSearch(discoveryHandler, SubnetRangeEntry.Text); break; case DiscoveryMethod.ZebraUsbDrivers: try { foreach (DiscoveredPrinter printer in DependencyService.Get <IConnectionManager>().GetZebraUsbDriverPrinters()) { Device.BeginInvokeOnMainThread(() => { discoveredPrinters.Add(printer); }); } } catch (NotImplementedException) { Device.BeginInvokeOnMainThread(async() => { await DisplayAlert("Error", "USB driver discovery not supported on this platform", "OK"); }); } finally { SetInputEnabled(true); } break; case DiscoveryMethod.UsbDirect: try { DependencyService.Get <IConnectionManager>().GetZebraUsbDirectPrinters(discoveryHandler); } catch (NotImplementedException) { Device.BeginInvokeOnMainThread(async() => { await DisplayAlert("Error", "USB direct discovery not supported on this platform", "OK"); }); } finally { SetInputEnabled(true); } break; case DiscoveryMethod.FindPrintersNearMe: NetworkDiscoverer.FindPrinters(discoveryHandler); break; case DiscoveryMethod.FindAllBluetoothDevices: try { DependencyService.Get <IConnectionManager>().FindBluetoothPrinters(discoveryHandler); } catch (NotImplementedException) { Device.BeginInvokeOnMainThread(async() => { await DisplayAlert("Error", "Bluetooth discovery not supported on this platform", "OK"); }); } finally { SetInputEnabled(true); } break; } }); } catch (Exception e) { await DisplayAlert("Error", e.Message, "OK"); SetInputEnabled(true); } }