Changeset 14732

Timestamp:

03/08/17 11:21:07 (8 years ago)

Author:

jkarder

Message:

#2743: added support for multiple OKB query service endpoints

Location:

trunk/sources/HeuristicLab.Clients.OKB/3.3

Files:

• HeuristicLab.Clients.OKB-3.3.csproj (modified) (2 diffs)
• Properties/Settings.Designer.cs (added)
• Properties/Settings.settings (added)
• Query/QueryClient.cs (modified) (5 diffs)
• app.config (modified) (2 diffs)

trunk/sources/HeuristicLab.Clients.OKB/3.3/HeuristicLab.Clients.OKB-3.3.csproj

@@ -114 +114 @@
     <Compile Include="Administration\ServiceClient\ProblemClass.cs" />
     <Compile Include="OKBRoles.cs" />
+    <Compile Include="Properties\Settings.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTimeSharedInput>True</DesignTimeSharedInput>
+      <DependentUpon>Settings.settings</DependentUpon>
+    </Compile>
     <Compile Include="RunCreation\OKBSolution.cs" />
     <Compile Include="Plugin.cs" />
@@ -177 +182 @@
     <None Include="Properties\AssemblyInfo.cs.frame" />
     <None Include="Administration\ServiceClient\GenerateServiceClient.cmd" />
+    <None Include="Properties\Settings.settings">
+      <Generator>SettingsSingleFileGenerator</Generator>
+      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
+    </None>
     <None Include="Query\ServiceClient\GenerateServiceClient.cmd" />
     <None Include="RunCreation\ServiceClient\GenerateServiceClient.cmd" />

trunk/sources/HeuristicLab.Clients.OKB/3.3/Query/QueryClient.cs

@@ -24 +24 @@
 using System.IO;
 using System.Linq;
+using System.ServiceModel;
 using HeuristicLab.Clients.Common;
 using HeuristicLab.Common;
@@ -39 +40 @@
       }
     }
+
+    private int endpointRetries;
+    private string workingEndpoint;
 
     #region Properties
@@ -68 +72 @@
     }
     public void RefreshAsync(Action<Exception> exceptionCallback) {
-      var call = new Func<Exception>(delegate() {
+      var call = new Func<Exception>(delegate () {
         try {
           Refresh();
@@ -76 +80 @@
         return null;
       });
-      call.BeginInvoke(delegate(IAsyncResult result) {
+      call.BeginInvoke(delegate (IAsyncResult result) {
         Exception ex = call.EndInvoke(result);
         if (ex != null) exceptionCallback(ex);
@@ -156 +160 @@
 
     #region Helpers
+    private QueryServiceClient NewServiceClient() {
+      if (endpointRetries >= Properties.Settings.Default.MaxEndpointRetries)
+        return CreateClient(workingEndpoint);
+
+      var configurations = Properties.Settings.Default.EndpointConfigurationPriorities;
+      Exception exception = null;
+
+      foreach (var endpointConfigurationName in configurations) {
+        try {
+          var cl = CreateClient(endpointConfigurationName);
+          cl.Open();
+          workingEndpoint = endpointConfigurationName;
+          return cl;
+        } catch (EndpointNotFoundException e) {
+          exception = e;
+          ++endpointRetries;
+        }
+      }
+
+      throw exception ?? new EndpointNotFoundException("No endpoint for Query service found.");
+    }
+
+    private QueryServiceClient CreateClient(string endpointConfigurationName) {
+      var cl = ClientFactory.CreateClient<QueryServiceClient, IQueryService>(endpointConfigurationName);
+      return cl;
+    }
+
     private T CallQueryService<T>(Func<IQueryService, T> call) {
-      QueryServiceClient client = ClientFactory.CreateClient<QueryServiceClient, IQueryService>();
+      QueryServiceClient client = NewServiceClient();
+
       try {
         return call(client);

trunk/sources/HeuristicLab.Clients.OKB/3.3/app.config

@@ -1 +1 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
+  <configSections>
+    <sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
+      <section name="HeuristicLab.Clients.OKB.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
+    </sectionGroup>
+  </configSections>
   <system.serviceModel>
     <behaviors>
@@ -63 +68 @@
     </client>
   </system.serviceModel>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/></startup><applicationSettings>
+    <HeuristicLab.Clients.OKB.Properties.Settings>
+      <setting name="EndpointConfigurationPriorities" serializeAs="Xml">
+        <value>
+          <ArrayOfString xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+            <string>WSHttpBinding_IQueryService</string>
+          </ArrayOfString>
+        </value>
+      </setting>
+      <setting name="MaxEndpointRetries" serializeAs="String">
+        <value>3</value>
+      </setting>
+    </HeuristicLab.Clients.OKB.Properties.Settings>
+  </applicationSettings>
+</configuration>