Migrate OpenSim inventory frontend to load with Mono.Addins. Everything

should compile and it seems even creating users works somehow.

OpenSim/Grid/AssetInventoryServer/AssetInventoryServer.cs

@@ -55,7 +55,7 @@ namespace OpenSim.Grid.AssetInventoryServer
         public IAuthorizationProvider AuthorizationProvider;
         public IMetricsProvider MetricsProvider;
 
-        private IAssetInventoryServerPlugin frontend;
+        private List<IAssetInventoryServerPlugin> frontends = new List<IAssetInventoryServerPlugin>();
 
         public AssetInventoryServer()
         {
@@ -107,7 +107,7 @@ namespace OpenSim.Grid.AssetInventoryServer
             }
 
             StorageProvider = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/StorageProvider",  "OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.dll") as IAssetStorageProvider;
-            InventoryProvider = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/InventoryProvider",  "OpenSim.Grid.AssetInventoryServer.Plugins.Simple.dll") as IInventoryStorageProvider;
+            InventoryProvider = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/InventoryProvider",  "OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.dll") as IInventoryStorageProvider;
             MetricsProvider = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/MetricsProvider", String.Empty) as IMetricsProvider;
 
             try
@@ -121,7 +121,7 @@ namespace OpenSim.Grid.AssetInventoryServer
                 return false;
             }
 
-            frontend = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/Frontend", String.Empty);
+            frontends.AddRange(LoadAssetInventoryServerPlugins("/OpenSim/AssetInventoryServer/Frontend", String.Empty));
 
             return true;
         }
@@ -194,6 +194,21 @@ namespace OpenSim.Grid.AssetInventoryServer
 
             return loader.Plugin;
         }
+
+        private List<IAssetInventoryServerPlugin> LoadAssetInventoryServerPlugins(string addinPath, string provider)
+        {
+            PluginLoader<IAssetInventoryServerPlugin> loader = new PluginLoader<IAssetInventoryServerPlugin>(new AssetInventoryServerPluginInitialiser(this));
+
+            if (provider == String.Empty)
+                loader.Add(addinPath);
+            else
+                loader.Add(addinPath, new PluginProviderFilter(provider));
+            //loader.Add(addinPath, new PluginCountConstraint(1));
+
+            loader.Load();
+
+            return loader.Plugins;
+        }
     }
 
     public class log4netLogWriter : ILogWriter

OpenSim/Grid/AssetInventoryServer/Extensions/SimpleUtils.cs

@@ -1,44 +0,0 @@
-using System;
-using System.IO;
-using OpenMetaverse;
-
-namespace OpenSim.Grid.AssetInventoryServer.Extensions
-{
-    public static class SimpleUtils
-    {
-        public static string ParseNameFromFilename(string filename)
-        {
-            filename = Path.GetFileName(filename);
-
-            int dot = filename.LastIndexOf('.');
-            int firstDash = filename.IndexOf('-');
-
-            if (dot - 37 > 0 && firstDash > 0)
-                return filename.Substring(0, firstDash);
-            else
-                return String.Empty;
-        }
-
-        public static UUID ParseUUIDFromFilename(string filename)
-        {
-            int dot = filename.LastIndexOf('.');
-
-            if (dot > 35)
-            {
-                // Grab the last 36 characters of the filename
-                string uuidString = filename.Substring(dot - 36, 36);
-                UUID uuid;
-                UUID.TryParse(uuidString, out uuid);
-                return uuid;
-            }
-            else
-            {
-                UUID uuid;
-                if (UUID.TryParse(Path.GetFileName(filename), out uuid))
-                    return uuid;
-                else
-                    return UUID.Zero;
-            }
-        }
-    }
-}

OpenSim/Grid/AssetInventoryServer/Plugins/OpenSim/OpenSimAssetFrontendPlugin.cs

@@ -43,7 +43,7 @@ namespace OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim
 {
     public class OpenSimAssetFrontendPlugin : IAssetInventoryServerPlugin
     {
-        AssetInventoryServer server;
+        private AssetInventoryServer server;
 
         public OpenSimAssetFrontendPlugin()
         {
@@ -60,6 +60,8 @@ namespace OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim
 
             // Asset creation
             server.HttpServer.AddHandler("post", null, @"^/assets/", AssetPostHandler);
+
+            Logger.Log.Info("[ASSET] OpenSim Asset Frontend loaded.");
         }
 
         /// <summary>

OpenSim/Grid/AssetInventoryServer/Plugins/OpenSim/OpenSimInventoryFrontendPlugin.cs

@@ -36,21 +36,24 @@ using ExtensionLoader;
 using OpenMetaverse;
 using OpenMetaverse.StructuredData;
 using HttpServer;
+using OpenSim.Framework;
 
-namespace OpenSim.Grid.AssetInventoryServer.Extensions
+namespace OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim
 {
-    public class OpenSimInventoryFrontend : IExtension<AssetInventoryServer>
+    public class OpenSimInventoryFrontendPlugin : IAssetInventoryServerPlugin
     {
-        AssetInventoryServer server;
+        private AssetInventoryServer server;
-        Utils.InventoryItemSerializer itemSerializer = new Utils.InventoryItemSerializer();
+        private Utils.InventoryItemSerializer itemSerializer = new Utils.InventoryItemSerializer();
-        Utils.InventoryFolderSerializer folderSerializer = new Utils.InventoryFolderSerializer();
+        private Utils.InventoryFolderSerializer folderSerializer = new Utils.InventoryFolderSerializer();
-        Utils.InventoryCollectionSerializer collectionSerializer = new Utils.InventoryCollectionSerializer();
+        private Utils.InventoryCollectionSerializer collectionSerializer = new Utils.InventoryCollectionSerializer();
 
-        public OpenSimInventoryFrontend()
+        public OpenSimInventoryFrontendPlugin()
         {
         }
 
-        public void Start(AssetInventoryServer server)
+        #region IPlugin implementation
+
+        public void Initialise(AssetInventoryServer server)
         {
             this.server = server;
 
@@ -64,12 +67,36 @@ namespace OpenSim.Grid.AssetInventoryServer.Extensions
             server.HttpServer.AddHandler("post", null, @"^/DeleteItem/", DeleteItemHandler);
             server.HttpServer.AddHandler("post", null, @"^/RootFolders/", RootFoldersHandler);
             server.HttpServer.AddHandler("post", null, @"^/ActiveGestures/", ActiveGesturesHandler);
+
+            Logger.Log.Info("[INVENTORY] OpenSim Inventory Frontend loaded.");
         }
 
-        public void Stop()
+        /// <summary>
+        /// <para>Initialises asset interface</para>
+        /// </summary>
+        public void Initialise()
+        {
+            Logger.Log.InfoFormat("[INVENTORY]: {0} cannot be default-initialized!", Name);
+            throw new PluginNotInitialisedException(Name);
+        }
+
+        public void Dispose()
         {
         }
 
+        public string Version
+        {
+            // TODO: this should be something meaningful and not hardcoded?
+            get { return "0.1"; }
+        }
+
+        public string Name
+        {
+            get { return "AssetInventoryServer OpenSim asset frontend"; }
+        }
+
+        #endregion IPlugin implementation
+
         bool GetInventoryHandler(IHttpClientContext client, IHttpRequest request, IHttpResponse response)
         {
             UUID sessionID, agentID;

OpenSim/Grid/AssetInventoryServer/Plugins/OpenSim/Resources/AssetInventoryServerOpenSimPlugins.addin.xml

@@ -21,4 +21,7 @@
     <Extension path="/OpenSim/AssetInventoryServer/Frontend">
         <Plugin id="OpenSimAssetFrontend" provider="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.dll" type="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.OpenSimAssetFrontendPlugin" />
     </Extension>
+    <Extension path="/OpenSim/AssetInventoryServer/Frontend">
+        <Plugin id="OpenSimInventoryFrontend" provider="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.dll" type="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.OpenSimInventoryFrontendPlugin" />
+    </Extension>
 </Addin>