public void Dispose()
{
if (_server != null)
{
_server.Dispose();
_server = null;
}
}
public void Stop()
{
_server.Dispose();
ConfigureService();
InitState(_options.Value.DefaultState);
_logger.LogInformation("Service has been stopped");
}
protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
_server?.Dispose();
_disposed = true;
}
}
}
private async static Task Create(IRequestResolver requestResolver, Func <DnsServer, Task> action)
{
TaskCompletionSource <object> tcs = new TaskCompletionSource <object>();
DnsServer server = new DnsServer(requestResolver);
server.Listening += async() => {
try {
await action(server);
tcs.SetResult(null);
} catch (Exception e) {
tcs.SetException(e);
} finally {
server.Dispose();
}
};
await Task.WhenAll(server.Listen(PORT), tcs.Task);
}
public async static Task MainAsync()
{
MasterFile masterFile = new MasterFile();
DnsServer server = new DnsServer(masterFile, "8.8.8.8");
masterFile.AddIPAddressResourceRecord("google.com", "127.0.0.1");
server.Requested += (request) => Console.WriteLine("Requested: {0}", request);
server.Responded += (request, response) => Console.WriteLine("Responded: {0} => {1}", request, response);
server.Errored += (e) => Console.WriteLine("Errored: {0}", e.Message);
server.Listening += () => Console.WriteLine("Listening");
server.Listening += async() => {
DnsClient client = new DnsClient("127.0.0.1", PORT);
await client.Lookup("google.com");
await client.Lookup("cnn.com");
server.Dispose();
};
await server.Listen(PORT);
}
public async static Task MainAsync()
{
DnsServer server = new DnsServer("8.8.8.8");
server.Requested += (request) => Console.WriteLine("Requested: {0}", request);
server.Responded += (request, response) => Console.WriteLine("Responded: {0} => {1}", request, response);
server.Errored += (e) => Console.WriteLine("Errored: {0}", e.Message);
server.MasterFile.AddIPAddressResourceRecord("google.com", "127.0.0.1");
#pragma warning disable 4014
server.Listen(PORT);
#pragma warning restore 4014
await Task.Delay(1000);
DnsClient client = new DnsClient("127.0.0.1", PORT);
await client.Lookup("google.com");
await client.Lookup("cnn.com");
server.Dispose();
}
public static void Dispose()
{
_server.Dispose();
}
protected override void OnStop()
{
_server.Dispose();
}
private void stopServer()
{
server.Dispose();
}
public async Task StopAsync(CancellationToken cancellationToken)
{
_logger.LogInformation("Stopping DNS server");
_dnsServer.Dispose();
}
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.");
}
public Task StopAsync(CancellationToken cancellationToken)
{
_logger.LogInformation(("Dns server is stopping."));
_server.Dispose();
return(_listenTask);
}
