Migrate to Open.Nat version 2.0.16

Move the dependency from all libraries to game engine only.
Initialize after the renderer setup to ensure a visible window.
This commit is contained in:
Matthias Mailänder
2016-05-15 11:27:15 +02:00
parent 38295341a8
commit 5245df729d
15 changed files with 81 additions and 155 deletions

View File

@@ -10,127 +10,67 @@
#endregion
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Net;
using Mono.Nat;
using System.Threading;
using System.Threading.Tasks;
using Open.Nat;
namespace OpenRA.Network
{
public static class UPnP
public class UPnP
{
static INatDevice natDevice;
static NatDevice natDevice;
static Mapping mapping;
public static void TryNatDiscovery()
public static IPAddress ExternalIP { get; private set; }
public static async Task DiscoverNatDevices(int timeout)
{
NatDiscoverer.TraceSource.Switch.Level = SourceLevels.Verbose;
var logChannel = Log.Channel("nat");
NatDiscoverer.TraceSource.Listeners.Add(new TextWriterTraceListener(logChannel.Writer));
var natDiscoverer = new NatDiscoverer();
var token = new CancellationTokenSource(timeout);
natDevice = await natDiscoverer.DiscoverDeviceAsync(PortMapper.Upnp, token);
try
{
NatUtility.Logger = Log.Channel("server").Writer;
NatUtility.Verbose = Game.Settings.Server.VerboseNatDiscovery;
NatUtility.DeviceFound += DeviceFound;
Game.Settings.Server.NatDeviceAvailable = false;
NatUtility.StartDiscovery();
Log.Write("server", "NAT discovery started.");
ExternalIP = await natDevice.GetExternalIPAsync();
}
catch (Exception e)
{
Log.Write("server", "Can't discover UPnP-enabled device: {0}", e);
Game.Settings.Server.NatDeviceAvailable = false;
Game.Settings.Server.AllowPortForward = false;
Console.WriteLine("Getting the external IP from NAT device failed: {0}", e.Message);
Log.Write("nat", e.StackTrace);
}
}
public static void StoppingNatDiscovery()
public static async Task ForwardPort(int listen, int external)
{
Log.Write("server", "Stopping NAT discovery.");
NatUtility.StopDiscovery();
if (natDevice == null || natDevice.GetType() != typeof(Mono.Nat.Upnp.UpnpNatDevice))
{
Log.Write("server",
"No NAT devices with UPnP enabled found within {0} ms deadline. Disabling automatic port forwarding.".F(Game.Settings.Server.NatDiscoveryTimeout));
Game.Settings.Server.NatDeviceAvailable = false;
Game.Settings.Server.AllowPortForward = false;
}
}
public static void DeviceFound(object sender, DeviceEventArgs args)
{
Log.Write("server", "NAT device discovered.");
Game.Settings.Server.NatDeviceAvailable = true;
Game.Settings.Server.AllowPortForward = true;
mapping = new Mapping(Protocol.Tcp, listen, external, "OpenRA");
try
{
natDevice = args.Device;
Log.Write("server", "Type: {0}", natDevice.GetType());
Log.Write("server", "Your external IP is: {0}", natDevice.GetExternalIP());
foreach (var mp in natDevice.GetAllMappings())
Log.Write("server", "Existing port mapping: protocol={0}, public={1}, private={2}",
mp.Protocol, mp.PublicPort, mp.PrivatePort);
await natDevice.CreatePortMapAsync(mapping);
}
catch (Exception e)
{
Log.Write("server", "Can't fetch information from NAT device: {0}", e);
Game.Settings.Server.NatDeviceAvailable = false;
Game.Settings.Server.AllowPortForward = false;
Console.WriteLine("Port forwarding failed: {0}", e.Message);
Log.Write("nat", e.StackTrace);
}
}
public static void ForwardPort(int lifetime)
public static async Task RemovePortForward()
{
try
{
var mapping = new Mapping(Protocol.Tcp, Game.Settings.Server.ExternalPort, Game.Settings.Server.ListenPort, lifetime);
natDevice.CreatePortMap(mapping);
Log.Write("server", "Create port mapping: protocol = {0}, public = {1}, private = {2}, lifetime = {3} s",
mapping.Protocol, mapping.PublicPort, mapping.PrivatePort, mapping.Lifetime);
}
catch (MappingException e)
{
if (e.ErrorCode == 725 && lifetime != 0)
{
Log.Write("server", "NAT device answered with OnlyPermanentLeasesSupported. Retrying...");
ForwardPort(0);
}
else
{
Log.Write("server", "Can not forward ports via UPnP: {0}", e);
Game.Settings.Server.AllowPortForward = false;
}
}
}
public static void RemovePortforward()
{
try
{
var mapping = new Mapping(Protocol.Tcp, Game.Settings.Server.ExternalPort, Game.Settings.Server.ListenPort);
natDevice.DeletePortMap(mapping);
Log.Write("server", "Remove port mapping: protocol = {0}, public = {1}, private = {2}, expiration = {3}",
mapping.Protocol, mapping.PublicPort, mapping.PrivatePort, mapping.Expiration);
await natDevice.DeletePortMapAsync(mapping);
}
catch (Exception e)
{
Log.Write("server", "Can not remove UPnP portforwarding rules: {0}", e);
Game.Settings.Server.AllowPortForward = false;
}
}
public static IPAddress GetExternalIP()
{
if (natDevice == null)
return null;
try
{
return natDevice.GetExternalIP();
}
catch (Exception e)
{
Log.Write("server", "Failed to get the external IP from NAT device: {0}", e);
return null;
Console.WriteLine("Port removal failed: {0}", e.Message);
Log.Write("nat", e.StackTrace);
}
}
}