public Task <UPnPSupportState> Prepare()
{
return(Task <UPnPSupportState> .Run(async() =>
{
try
{
manager = new UPnPNAT();
UPnPPort testPort = new UPnPPort(1, PortType.TCP, Utils.GetLocalIP());
PortResult result = await CheckPort(testPort);
switch (result)
{
case PortResult.Opened:
//No more checks needed
State = UPnPSupportState.Supported;
break;
case PortResult.Closed:
//Let us check if we are able to open and close the test port.
PortResult r = await OpenPort(testPort);
if (r == PortResult.Opened)
{
r = await ClosePort(testPort);
if (r == PortResult.Closed)
{
State = UPnPSupportState.Supported;
}
else
{
State = UPnPSupportState.NotSupported;
}
}
else
{
State = UPnPSupportState.NotSupported;
}
break;
default:
//Something went wrong
State = UPnPSupportState.NoPrepared;
break;
}
}
catch (Exception)
{
State = UPnPSupportState.NotSupported;
}
return State;
}));
}
public Task <UPnPSupportState> Prepare()
{
return(Task.Run(async() =>
{
try
{
discoverer = new NatDiscoverer();
device = await discoverer.DiscoverDeviceAsync(PortMapper.Upnp, new CancellationTokenSource(10000));
if (device != null)
{
State = UPnPSupportState.Supported;
return UPnPSupportState.Supported;
}
}
catch (Exception) { }
State = UPnPSupportState.NotSupported;
return UPnPSupportState.NotSupported;
}));
}
public WindowsUPnP()
{
State = UPnPSupportState.NoPrepared;
}
