GEEKING

Client.LegacyAssemblies/Roblox.Configuration/ChannelFactory.cs

@@ -0,0 +1,69 @@
+using System;
+using System.Linq;
+using System.Configuration;
+using System.ServiceModel.Channels;
+using System.ServiceModel.Description;
+
+namespace Roblox.Configuration
+{
+    public class ChannelFactory<T> : System.ServiceModel.ChannelFactory<T>
+    {
+        private readonly Uri alternateUrl;
+
+        public ChannelFactory(string endpointConfigurationName)
+            : this(endpointConfigurationName, null as System.ServiceModel.EndpointAddress)
+        { }
+        public ChannelFactory(string endpointConfigurationName, string remoteAddress)
+            : base(typeof(T))
+        {
+            alternateUrl = GetUriFromConfig(endpointConfigurationName);
+            InitializeEndpoint(endpointConfigurationName, null);
+        }
+        public ChannelFactory(string endpointConfigurationName, System.ServiceModel.EndpointAddress remoteAddress)
+            : base(typeof(T))
+        {
+            alternateUrl = GetUriFromConfig(endpointConfigurationName);
+            InitializeEndpoint(endpointConfigurationName, remoteAddress);
+        }
+
+        protected override ServiceEndpoint CreateDescription()
+        {
+            var endpoint = base.CreateDescription();
+            if (alternateUrl != null)
+            {
+                if (endpoint.Address == null)
+                    endpoint.Address = new System.ServiceModel.EndpointAddress(alternateUrl, new AddressHeader[0]);
+                else
+                {
+                    using (var readerAtMeta = endpoint.Address.GetReaderAtMetadata())
+                    using (var readerAtExt = endpoint.Address.GetReaderAtExtensions())
+                        endpoint.Address = new System.ServiceModel.EndpointAddress(alternateUrl, endpoint.Address.Identity, endpoint.Address.Headers, readerAtMeta, readerAtExt);
+                }
+            }
+            return endpoint;
+        }
+        private Uri GetUriFromConfig(string endpointConfigurationName)
+        {
+            if (string.IsNullOrEmpty(endpointConfigurationName))
+                throw new ArgumentNullException(nameof(endpointConfigurationName));
+
+            if (!(ConfigurationManager.GetSection("robloxConfigurationProvider") is ProviderConfigSection section))
+                return null;
+
+            var el = section.EndpointAddressConfigs[endpointConfigurationName];
+            if (el == null)
+                el = section.EndpointAddressConfigs["*"];
+            if (el == null)
+                return null;
+
+            if (string.IsNullOrEmpty(el.ConnectionString))
+                return null;
+            using (var dataCtx = new ConfigurationDataClassesDataContext(el.ConnectionString))
+                return new Uri((
+                    from a in dataCtx.EndpointAddresses
+                    where a.EndpointConfigurationName == endpointConfigurationName
+                    select a.Uri
+                ).SingleOrDefault());
+        }
+    }
+}