public async Task<string> GetExternalIP()
{
foreach (var natDevice in devices)
{
string i = natDevice.GetExternalIPAsync().Result.ToString();
if (i == "0.0.0.0") continue;
this.primaryDevice = natDevice;
break;
}
var ip = await primaryDevice.GetExternalIPAsync();
externalIP = ip.ToString();
return externalIP;
}
/// <summary>
/// Open the NAT port for the current Terraria ip:port
/// </summary>
public static void OpenPort()
{
#if ENABLE_NAT && Full_API
if (Terraria.Netplay.UseUPNP)
{
Terraria.Netplay.portForwardIP = Terraria.Netplay.GetLocalIPAddress();
Terraria.Netplay.portForwardPort = Terraria.Netplay.ListenPort;
// Mono.Nat.NatUtility.DeviceFound += NatUtility_DeviceFound;
// Mono.Nat.NatUtility.StartDiscovery();
var th = new System.Threading.Thread(async () =>
{
System.Threading.Thread.CurrentThread.Name = "NAT";
try
{
var discoverer = new NatDiscoverer();
_cancel = new CancellationTokenSource(10000);
_device = await discoverer.DiscoverDeviceAsync(PortMapper.Upnp, _cancel);
if (_device != null)
{
var ip = await _device.GetExternalIPAsync();
var existing = await _device.GetSpecificMappingAsync(Protocol.Tcp, Terraria.Netplay.portForwardPort);
if (existing != null && existing.PublicPort == Terraria.Netplay.portForwardPort)
{
ProgramLog.Admin.Log("Detected an existing NAT map record for {0} on IP {1}", NatMapName, ip);
}
else
{
await _device.CreatePortMapAsync(new Mapping(Protocol.Tcp, Terraria.Netplay.portForwardPort, Terraria.Netplay.portForwardPort, NatMapName));
ProgramLog.Admin.Log("Created a new NAT map record for {0} on IP {1}", NatMapName, ip);
}
Terraria.Netplay.portForwardOpen = true;
}
else ProgramLog.Admin.Log("Failed to find a NAT device");
}
catch (Exception e)
{
ProgramLog.Log(e, "Failed to create NAT device mapping");
}
});
th.Start();
}
#endif
//if (Netplay.mappings != null)
//{
// foreach (IStaticPortMapping staticPortMapping in Netplay.mappings)
// {
// if (staticPortMapping.InternalPort == Netplay.portForwardPort && staticPortMapping.InternalClient == Netplay.portForwardIP && staticPortMapping.Protocol == "TCP")
// {
// Netplay.portForwardOpen = true;
// }
// }
// if (!Netplay.portForwardOpen)
// {
// Netplay.mappings.Add(Netplay.portForwardPort, "TCP", Netplay.portForwardPort, Netplay.portForwardIP, true, "Terraria Server");
// Netplay.portForwardOpen = true;
// }
//}
}
private void RaiseDeviceFound(NatDevice device)
{
_devices.Add(device);
var handler = DeviceFound;
if(handler!=null)
handler(this, new DeviceEventArgs(device));
}