static ISearcher GetOrCreate(NatProtocol protocol)
{
if (!Searchers.TryGetValue(protocol, out ISearcher searcher))
{
searcher = protocol == NatProtocol.Pmp ? (ISearcher)PmpSearcher.Create() : UpnpSearcher.Create();
searcher.DeviceFound += HandleDeviceFound;
searcher.UnknownDeviceFound += HandleUnknownDeviceFound;
Searchers[protocol] = searcher;
}
return(searcher);
}
