/**
* Function that tries to connect to a given IP address
*/
private async Task IPConnect(string selectedIP, string selectedName)
{
//Handle the dummy connection
if (selectedIP == "DummyIP")
{
var dummyConnection = new DummyConnection(selectedName, selectedIP);
_mainWindow.deviceListMain.Add(dummyConnection);
_mainWindow.LogField.AppendText(DateTime.Now + ":\t" + "Added " + selectedName + " for testing\n");
LogFieldReg.AppendText("Added " + selectedName + " for testing\n");
}
else if (!CheckIfValidIP(selectedIP))
{
LogFieldReg.AppendText("Invalid IP used, try again!\n");
_mainWindow.LogField.AppendText(DateTime.Now + ":\tInvalid IP used, try again!\n");
}
else
{
PiCarConnection newConnection = null;
var canConnect = false;
try
{
newConnection = new PiCarConnection(selectedName, selectedIP);
var connectResponse = newConnection.RequestConnect();
Console.Write(connectResponse.Item2);
LogFieldReg.AppendText(connectResponse.Item2);
_mainWindow.LogField.AppendText(DateTime.Now + ":\t" + connectResponse.Item2);
canConnect = connectResponse.Item1;
}
catch (RpcException rpcE)
{
_mainWindow.LogField.AppendText(DateTime.Now + ":\tError! " + rpcE + "\n");
}
catch (Exception exception)
{
_mainWindow.LogField.AppendText(DateTime.Now + ":\tError! " + exception + "\n");
}
if (canConnect)
{
_mainWindow.LogField.AppendText(DateTime.Now + ":\t" + "Connected to " + selectedName + " with IP: " + selectedIP + "\n");
LogFieldReg.AppendText("Connected to " + selectedName + " with IP: " + selectedIP + "\n");
_mainWindow.deviceListMain.Add(newConnection);
}
else
{
_mainWindow.LogField.AppendText(DateTime.Now + ":\t" + "Failed to connect to " + selectedName + " with IP: " + selectedIP + "\n");
LogFieldReg.AppendText("Failed to connect to " + selectedName + " with IP: " + selectedIP + "\n");
}
}
}
/**
*
*/
private async void BackgroundWorker1_DoWorkAsync(object sender, DoWorkEventArgs e)
{
var tasks = new List <Task>(); //sets tasks to be a new List of Tasks
_devicesFound = 0; //sets devices found to 0
Dispatcher.Invoke(() => //making changes to the main thread
{
LogFieldReg.AppendText("Starting scan\n");
LogFieldReg.AppendText("Default Gateway: " + _defaultGateway);
_mainWindow.LogField.AppendText(DateTime.Now + ":\tStarting scan\n");
buttonScan.IsEnabled = false;
CancelButton.IsEnabled = true;
Scan.IsEnabled = false;
}); //end of current changes to the main thread
var stopWatch = new Stopwatch(); //wipes the stopwatch
stopWatch.Start(); //starts the stopwatch
for (var i = firstPicar; i <= lastPicar; i++) //for Picar IP range
{
_scanningIp = _defaultGateway + i;
var p = new Ping();
var task = AsyncUpdate(p, _scanningIp); //make a task to ping and identify the current IP
tasks.Add(task); //add it to the task list
if (_backgroundWorker1.CancellationPending) //if a cancellation request has been sent
{
Dispatcher.Invoke(() =>
{
tasks.Clear(); //wipe the task list
LogFieldReg.AppendText("Scan aborted \n");
_mainWindow.LogField.AppendText("Scan aborted\n");
});
break; //break out of the ip for loop scan
}
}
await Task.WhenAll(tasks); //asyncronously wait for all the tasks to complete
stopWatch.Stop(); //stop the stopwatch
_ts = stopWatch.Elapsed; //assign the time it took to a variable
Dispatcher.Invoke(() =>
{
LogFieldReg.AppendText("Finsished scan (" + _ts.TotalSeconds + " seconds)\nDetected " + _devicesFound + " devices\n");
_mainWindow.LogField.AppendText(DateTime.Now + ":\tFinsished scan: " + _ts.TotalSeconds + " seconds\n" + DateTime.Now + "\tDetected " + _devicesFound + " devices\n");
buttonScan.IsEnabled = true;
CancelButton.IsEnabled = false;
Scan.IsEnabled = true;
});
}
/**
* Constructor for Registration Window
* Checks for gateway IP and sets the output.
*/
public Registration()
{
InitializeComponent();
InitializeBackgroundWorker();
_backgroundWorker1.WorkerSupportsCancellation = true; //Makes the backgroundworker able to recieve cancellation requests
CancelButton.IsEnabled = false;
//allows pressing enter button to try connecting
var submit = new RoutedCommand();
submit.InputGestures.Add(new KeyGesture(Key.Enter));
CommandBindings.Add(new CommandBinding(submit, TryConnect));
//Finds default gateway IP
DeviceList.ItemsSource = null;
DeviceList.ItemsSource = deviceStringList.Select(array => array.FirstOrDefault());
try
{
foreach (var curInterface in NetworkInterface.GetAllNetworkInterfaces())
{
if (curInterface.OperationalStatus != OperationalStatus.Up)
{
continue;
}
foreach (var gatewayOutput in curInterface.GetIPProperties()
.GatewayAddresses)
{
_defaultGateway = gatewayOutput.Address.ToString();
}
}
}
catch (NetworkInformationException exception)
{
LogFieldReg.AppendText(DateTime.Now + ":\tDevice not connected to the internet! " + exception);
this.Close();
}
_defaultGateway = _defaultGateway.Substring(0, _defaultGateway.Length - 1);
LogFieldReg.AppendText("The gateway IP is " + _defaultGateway + "x\n");
_mainWindow.LogField.AppendText(DateTime.Now + ":\tThe gateway IP is " + _defaultGateway + "x\n");
}