是否可以使用WCF发现来公开使用命名管道的WCF端点？

我有一个使用发现的应用程序，可以在本地部署在同一台PC上或远离它所使用的服务。 有没有办法通过WCF发现公开命名管道绑定？ 如果不是，我想我可以在发现服务后进行协商，以确定最合适的绑定。

Answer 1

是的，可以这样做。 但由于地址将被列为“localhost”（net.pipe唯一可能的地址），因此您可能需要进行某种测试以validation该服务实际上是在与发现客户端相同的计算机上运行。

public class StackOverflow_7068743 { [ServiceContract] public interface ITest { [OperationContract] string Echo(string text); } public class Service : ITest { public string Echo(string text) { return text + " (via " + OperationContext.Current.IncomingMessageHeaders.To + ")"; } } public static void Test() { string baseAddressHttp = "http://" + Environment.MachineName + ":8000/Service"; string baseAddressPipe = "net.pipe://localhost/Service"; ServiceHost host = new ServiceHost(typeof(Service), new Uri(baseAddressHttp), new Uri(baseAddressPipe)); host.Description.Behaviors.Add(new ServiceDiscoveryBehavior()); host.AddServiceEndpoint(new UdpDiscoveryEndpoint()); host.AddServiceEndpoint(typeof(ITest), new BasicHttpBinding(), ""); host.AddServiceEndpoint(typeof(ITest), new NetNamedPipeBinding(NetNamedPipeSecurityMode.None), ""); host.Open(); Console.WriteLine("Host opened"); DiscoveryClient discoveryClient = new DiscoveryClient(new UdpDiscoveryEndpoint()); FindResponse findResponse = discoveryClient.Find(new FindCriteria(typeof(ITest))); Console.WriteLine(findResponse.Endpoints.Count); EndpointAddress address = null; Binding binding = null; foreach (var endpoint in findResponse.Endpoints) { if (endpoint.Address.Uri.Scheme == Uri.UriSchemeHttp) { address = endpoint.Address; binding = new BasicHttpBinding(); } else if (endpoint.Address.Uri.Scheme == Uri.UriSchemeNetPipe) { address = endpoint.Address; binding = new NetNamedPipeBinding(NetNamedPipeSecurityMode.None); break; // this is the preferred } Console.WriteLine(endpoint.Address); } if (binding == null) { Console.WriteLine("No known bindings"); } else { ChannelFactory factory = new ChannelFactory(binding, address); ITest proxy = factory.CreateChannel(); Console.WriteLine(proxy.Echo("Hello")); ((IClientChannel)proxy).Close(); factory.Close(); } Console.Write("Press ENTER to close the host"); Console.ReadLine(); host.Close(); } }