private async void StartScan()
{
DisplayStatusMessage = false;
IsScanRunning = true;
PreparingScan = true;
// Measure the time
StartTime = DateTime.Now;
stopwatch.Start();
dispatcherTimer.Tick += DispatcherTimer_Tick;
dispatcherTimer.Interval = new TimeSpan(0, 0, 0, 0, 100);
dispatcherTimer.Start();
EndTime = null;
IPScanResult.Clear();
HostsFound = 0;
// Change the tab title (not nice, but it works)
Window window = Application.Current.Windows.OfType <Window>().FirstOrDefault(x => x.IsActive);
if (window != null)
{
foreach (TabablzControl tabablzControl in VisualTreeHelper.FindVisualChildren <TabablzControl>(window))
{
tabablzControl.Items.OfType <DragablzTabItem>().First(x => x.ID == _tabId).Header = IPRange;
}
}
cancellationTokenSource = new CancellationTokenSource();
string[] ipHostOrRanges = IPRange.Replace(" ", "").Split(';');
// Resolve hostnames
List <string> ipRanges = new List <string>();
try
{
ipRanges = await IPScanRangeHelper.ResolveHostnamesInIPRangeAsync(ipHostOrRanges, cancellationTokenSource.Token);
}
catch (OperationCanceledException)
{
IpScanner_UserHasCanceled(this, EventArgs.Empty);
return;
}
catch (AggregateException exceptions) // DNS error (could not resolve hostname...)
{
IpScanner_DnsResolveFailed(this, exceptions);
return;
}
IPAddress[] ipAddresses;
try
{
// Create a list of all ip addresses
ipAddresses = await IPScanRangeHelper.ConvertIPRangeToIPAddressesAsync(ipRanges.ToArray(), cancellationTokenSource.Token);
}
catch (OperationCanceledException)
{
IpScanner_UserHasCanceled(this, EventArgs.Empty);
return;
}
IPAddressesToScan = ipAddresses.Length;
IPAddressesScanned = 0;
PreparingScan = false;
// Add the range to the history
AddIPRangeToHistory(IPRange);
IPScannerOptions ipScannerOptions = new IPScannerOptions
{
Threads = SettingsManager.Current.IPScanner_Threads,
Timeout = SettingsManager.Current.IPScanner_Timeout,
Buffer = new byte[SettingsManager.Current.IPScanner_Buffer],
Attempts = SettingsManager.Current.IPScanner_Attempts,
ResolveHostname = SettingsManager.Current.IPScanner_ResolveHostname,
ResolveMACAddress = SettingsManager.Current.IPScanner_ResolveMACAddress,
ShowScanResultForAllIPAddresses = SettingsManager.Current.IPScanner_ShowScanResultForAllIPAddresses
};
IPScanner ipScanner = new IPScanner();
ipScanner.HostFound += IpScanner_HostFound;
ipScanner.ScanComplete += IpScanner_ScanComplete;
ipScanner.ProgressChanged += IpScanner_ProgressChanged;
ipScanner.UserHasCanceled += IpScanner_UserHasCanceled;
ipScanner.ScanAsync(ipAddresses, ipScannerOptions, cancellationTokenSource.Token);
}