private void Resolver_Button_Click(object sender, EventArgs e)
{
string data = Resolver_InputTB.Text;
string[] buffer = new string[Resolver_listView.Columns.Count];
IPAddress ip;
if (IPAddress.TryParse(data, out ip))
{
string domain = NTResolver.IPToDomain(ip);
buffer[0] = ip.ToString();
buffer[1] = data;
Resolver_listView.Items.Add(new ListViewItem(buffer));
}
else
{
IPAddress[] list = NTResolver.DomainToIP(data);
foreach (var item in list)
{
buffer[0] = data;
buffer[1] = item.ToString();
Resolver_listView.Items.Add(new ListViewItem(buffer));
}
}
}
public static IEnumerable <RouteInfo> GetTraceRoute(string hostname)
{
const int timeout = 10000;
const int maxTTL = 30;
const int bufferSize = 32;
byte[] buffer = new byte[bufferSize];
Ping pinger = new Ping();
for (int ttl = 1; ttl <= maxTTL; ttl++)
{
Stopwatch stopWatch = new Stopwatch();
PingOptions options = new PingOptions(ttl, true);
stopWatch.Start();
PingReply reply = pinger.Send(hostname, timeout, buffer, options);
stopWatch.Stop();
switch (reply.Status)
{
case IPStatus.TtlExpired:
yield return(new RouteInfo(stopWatch.ElapsedMilliseconds, reply.Address, NTResolver.IPToDomain(reply.Address)));
continue;
case IPStatus.TimedOut:
continue;
case IPStatus.Success:
yield return(new RouteInfo(stopWatch.ElapsedMilliseconds, reply.Address, NTResolver.IPToDomain(reply.Address)));
break;
}
break;
}
}
