private void btnCleanNameserversKnowingNonExistingServer_Click(object sender, RoutedEventArgs e)
{
string nsToTest = tbNs.Text;
ToggleNameServerGUIElements();
BarbezDnsAccuracyChecker bdac = new BarbezDnsAccuracyChecker(sldWaitTimeBetweenDnsQuestions.Value, nsToTest);
this.pbNameserverCleaner.Maximum = bdac.GetAmountOfNameServers();
string serverToResolve = tbCleanNameserversThatKnowNonExistingDomain.Text;
this.dnsTesterThread = new Thread(() =>
{
DelegateTestReporter dtr = new DelegateTestReporter(KeepNsNotKnowingNonExistingDomainName);
bool success = bdac.PerformTestAsync(serverToResolve, dtr);
Dispatcher.Invoke((Action)(() =>
{
if (!success)
{
MessageBox.Show("Please only use correct IP addresses. Verify your input, then try again." + Environment.NewLine + "You can seperate IP adresses using a new line or a comma.",
"Error", MessageBoxButton.OK, MessageBoxImage.Information);
}
ToggleNameServerGUIElements();
}));
});
this.dnsTesterThread.Start();
}
internal bool PerformTestAsync(string serverToResolve, DelegateTestReporter dtr)
{
try
{
this.dtr = dtr;
this.callBack = new AsyncCallback(ProcessTestAnswersOfDnsAsync);
foreach (string ns in this.lns)
{
DnsClient.RequestOptions ro = new DnsClient.RequestOptions();
IPAddress result = IPAddress.Loopback;
IPAddress.TryParse(ns, out result);
if (result == null)
{
result = IPAddress.Loopback;
}
ro.DnsServers = new IPAddress[] { result };
DnsRequest dnsRequest = new DnsRequest();
dnsRequest.DnsServerIP = ro.DnsServers;
dnsRequest.Url = serverToResolve;
Thread.Sleep(Int32.Parse(Math.Ceiling(this.WaitTimeBetweenQueryingDns).ToString()));
DnsClient.BeginLookupHost(serverToResolve, DnsClient.IPVersion.IPv4, ro, callBack, dnsRequest);
}
return(true);
}
catch
{
return(false);
}
}
