public static async Task ClearAsync(int port)
{
if (port != 0)
{
Log.Verbose("Clearing port forwarding...");
await OpenNat.ClearAsync(port);
MonoNat.Clear(port);
Log.Verbose("Port forwarding cleared.");
}
}
public static async Task <ForwardingResult> ForwardPortAsync(bool upnp, bool pmp, int port)
{
Log.Debug($"Permit UPnP: {upnp}. Permit PMP: {pmp}.");
Log.Information($"Trying to forward port {port}, it's may take a while...");
if (!upnp && !pmp)
{
Log.Information("Both UPnP and PMP are disabled, canceling port forwarding.");
return(null);
}
Mapper mapper = new OpenNat(port, upnp, pmp);
await mapper.MapAsync();
if (!mapper.Success)
{
mapper = new MonoNat(port, upnp, pmp);
await mapper.MapAsync();
}
if (!mapper.NatFound)
{
Log.Information("NAT device was not found.");
}
else
{
if (mapper.Success)
{
Log.Information(
$"Port forwarding completed successfully. Public port {mapper.PublicPort} forwarded to private {port}."
);
}
else
{
Log.Error("Port forwarding failed.");
}
}
return(new ForwardingResult(mapper.NatFound, mapper.Success, mapper.PublicPort));
}
