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fix(client): keep advertised port for a port-less URL; narrow history refusal catch to unwrapped faults (L4 review)

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This commit is contained in:
Joseph Doherty
2026-10-11 10:48:20 -04:00
parent 3067146be3
commit 045a21da14
3 changed files with 33 additions and 4 deletions
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src/Client/ZB.MOM.WW.OtOpcUa.Client.Shared/Adapters/DefaultEndpointDiscovery.cs
+5 -3
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@@ -92,13 +92,15 @@ internal static class EndpointSelector
// Only when the scheme matches: a different scheme (https vs opc.tcp) is a different transport.
var serverUri = new Uri(best.EndpointUrl);
var requestedUri = new Uri(endpointUrl);
// A URL typed without a port (opc.tcp has no registered default, so Port is -1) keeps the advertised port.
var port = requestedUri.Port > 0 ? requestedUri.Port : serverUri.Port;
if (string.Equals(serverUri.Scheme, requestedUri.Scheme, StringComparison.OrdinalIgnoreCase)
&& (serverUri.Host != requestedUri.Host || serverUri.Port != requestedUri.Port))
&& (serverUri.Host != requestedUri.Host || serverUri.Port != port))
{
var builder = new UriBuilder(best.EndpointUrl) { Host = requestedUri.Host, Port = requestedUri.Port };
var builder = new UriBuilder(best.EndpointUrl) { Host = requestedUri.Host, Port = port };
best.EndpointUrl = builder.ToString();
Logger.Debug("Rewrote endpoint from {ServerHost}:{ServerPort} to {RequestedHost}:{RequestedPort}",
serverUri.Host, serverUri.Port, requestedUri.Host, requestedUri.Port);
serverUri.Host, serverUri.Port, requestedUri.Host, port);
}
return best;