private static async void DeviceFoundAsync(object sender, DeviceEventArgs e)
{
if (gatewayAddress.ToString() == e.Device.DeviceEndpoint.Address.ToString())
{
NatUtility.StopDiscovery();
Mapping mapping = new Mapping(Protocol.Tcp, PORT, PORT);
var mappingResult = await e.Device.CreatePortMapAsync(mapping);
System.Console.WriteLine($"Server mapped to {mappingResult.PrivatePort} on router port {mappingResult.PublicPort}");
string hostName = Dns.GetHostName();
string myIp = Dns.GetHostEntry(hostName).AddressList[0].ToString();
var externalIp = await e.Device.GetExternalIPAsync();
gatewayDevice = e.Device;
await Task.Run(() =>
{
BackendManager.ServerPing();
});
}
}