public RequestResolver(string dnsServerAddress, string responsiblePerson, TldCollection tldCollection)
{
if (!tldCollection.IsReady)
{
throw new ArgumentException("TLD collection is not ready.", nameof(tldCollection));
}
dnsServerAddress = dnsServerAddress.ToLower();
_requestDomainSuffix = '.' + dnsServerAddress;
_dnsServerDomain = new Domain(dnsServerAddress);
_responsiblePersonDomain = new Domain(responsiblePerson);
_serial = DateTime.UtcNow.Ticks;
_tldCollection = tldCollection;
}
private static void Main(string[] args)
{
WriteHeader();
var tldCollection = new TldCollection();
Console.Write("Fetching TLD list...");
while (!tldCollection.IsReady)
{
Thread.Sleep(100);
}
Console.WriteLine($"success ({tldCollection.Count} items).");
Console.WriteLine();
bool logRequests = false;
var requestResolver = new RequestResolver("httpcheck.singulink.com", "admin.singulink.com", tldCollection);
requestResolver.AddPermanentRecord("singulink.com", true);
requestResolver.RequestReceived += (s, e) => {
if (logRequests)
{
var now = DateTime.Now;
Console.WriteLine($"{now.ToShortDateString()} {now.ToShortTimeString()} REQ {e.Id} {e.RequestDomain} {e.EmailDomain}");
}
};
requestResolver.ResponseSent += (s, e) => {
if (logRequests)
{
var now = DateTime.Now;
Console.WriteLine($"{now.ToShortDateString()} {now.ToShortTimeString()} RES {e.Id} {e.RequestDomain} {e.Result} {(int)e.Ttl.TotalSeconds}");
}
};
var dnsServer = new DnsServer(requestResolver);
RunDnsServer(dnsServer);
Console.WriteLine("DNS Server started. Press D to toggle debug, C to clear window, or X to exit.");
while (true)
{
var key = Console.ReadKey(true);
if (key.Key == ConsoleKey.D)
{
logRequests = !logRequests;
Console.WriteLine($"Request logging: {logRequests}");
}
else if (key.Key == ConsoleKey.C)
{
Console.Clear();
WriteHeader();
}
else if (key.Key == ConsoleKey.X)
{
break;
}
}
Console.Write("Shutting down DNS Server...");
dnsServer.Dispose();
tldCollection.Dispose();
Thread.Sleep(1000);
Console.WriteLine("done.");
}