Add OpenSim & Simple inventory storage plugins and Null metrics plugin.

OpenSim/Grid/AssetInventoryServer/AssetInventoryServer.cs

@@ -50,7 +50,7 @@ namespace OpenSim.Grid.AssetInventoryServer
         public IniConfigSource ConfigFile;
 
         public IAssetStorageProvider StorageProvider;
-        public IInventoryProvider InventoryProvider;
+        public IInventoryStorageProvider InventoryProvider;
         public IAuthenticationProvider AuthenticationProvider;
         public IAuthorizationProvider AuthorizationProvider;
         public IMetricsProvider MetricsProvider;
@@ -107,7 +107,8 @@ namespace OpenSim.Grid.AssetInventoryServer
             }
 
             StorageProvider = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/StorageProvider",  "OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.dll") as IAssetStorageProvider;
-            MetricsProvider = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/MetricsProvider", "") as IMetricsProvider;
+            InventoryProvider = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/InventoryProvider",  "OpenSim.Grid.AssetInventoryServer.Plugins.Simple.dll") as IInventoryStorageProvider;
+            MetricsProvider = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/MetricsProvider", String.Empty) as IMetricsProvider;
 
             try
             {
@@ -120,7 +121,7 @@ namespace OpenSim.Grid.AssetInventoryServer
                 return false;
             }
 
-            frontend = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/Frontend", "");
+            frontend = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/Frontend", String.Empty);
 
             return true;
         }

OpenSim/Grid/AssetInventoryServer/Interfaces.cs

@@ -83,7 +83,7 @@ namespace OpenSim.Grid.AssetInventoryServer
         int ForEach(Action<Metadata> action, int start, int count);
     }
 
-    public interface IInventoryProvider
+    public interface IInventoryStorageProvider : IAssetInventoryServerPlugin
     {
         BackendResponse TryFetchItem(Uri owner, UUID itemID, out InventoryItem item);
         BackendResponse TryFetchFolder(Uri owner, UUID folderID, out InventoryFolder folder);

OpenSim/Grid/AssetInventoryServer/Plugins/NullMetricsPlugin.cs

@@ -32,11 +32,11 @@ using OpenMetaverse;
 
 namespace OpenSim.Grid.AssetInventoryServer.Plugins
 {
-    public class NullMetrics : IMetricsProvider
+    public class NullMetricsPlugin : IMetricsProvider
     {
         AssetInventoryServer server;
 
-        public NullMetrics()
+        public NullMetricsPlugin()
         {
         }
 

OpenSim/Grid/AssetInventoryServer/Plugins/OpenSim/OpenSimInventoryStoragePlugin.cs

@@ -36,43 +36,25 @@ using ExtensionLoader;
 using ExtensionLoader.Config;
 using OpenMetaverse;
 using OpenMetaverse.StructuredData;
+using OpenSim.Framework;
+using OpenSim.Grid.AssetInventoryServer.Extensions;
+using OpenSim.Data;
 
-namespace OpenSim.Grid.AssetInventoryServer.Extensions
+namespace OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim
 {
-    public class OpenSimMySQLInventory : IExtension<AssetInventoryServer>, IInventoryProvider
+    public class OpenSimInventoryStoragePlugin : IInventoryStorageProvider
     {
-        const string EXTENSION_NAME = "OpenSimMySQLInventory"; // Used in metrics reporting
+        const string EXTENSION_NAME = "OpenSimInventoryStorage"; // Used in metrics reporting
 
-        AssetInventoryServer server;
+        private AssetInventoryServer server;
+        private IInventoryDataPlugin m_inventoryProvider;
 
-        public OpenSimMySQLInventory()
+        public OpenSimInventoryStoragePlugin()
         {
         }
 
         #region Required Interfaces
 
-        public void Start(AssetInventoryServer server)
-        {
-            this.server = server;
-
-            using (MySqlConnection dbConnection = new MySqlConnection(DBConnString.GetConnectionString(server.ConfigFile)))
-            {
-                try
-                {
-                    dbConnection.Open();
-                    Logger.Log.Info("Connected to MySQL inventory backend: " + dbConnection.ServerVersion);
-                }
-                catch (MySqlException ex)
-                {
-                    Logger.Log.Error("Connection to MySQL inventory backend failed: " + ex.Message);
-                }
-            }
-        }
-
-        public void Stop()
-        {
-        }
-
         public BackendResponse TryFetchItem(Uri owner, UUID itemID, out InventoryItem item)
         {
             item = null;
@@ -800,5 +782,54 @@ namespace OpenSim.Grid.AssetInventoryServer.Extensions
         }
 
         #endregion Required Interfaces
+
+        #region IPlugin implementation
+
+        public void Initialise(AssetInventoryServer server)
+        {
+            this.server = server;
+
+            try
+            {
+                m_inventoryProvider = DataPluginFactory.LoadInventoryDataPlugin("OpenSim.Data.MySQL.dll", server.ConfigFile.Configs["MySQL"].GetString("database_connect", null));
+                if (m_inventoryProvider == null)
+                {
+                    Logger.Log.Error("[INVENTORY]: Failed to load a database plugin, server halting.");
+                    Environment.Exit(-1);
+                }
+                else
+                    Logger.Log.InfoFormat("[INVENTORY]: Loaded storage backend: {0}", Version);
+            }
+            catch (Exception e)
+            {
+                Logger.Log.WarnFormat("[INVENTORY]: Failure loading data plugin: {0}", e.ToString());
+            }
+        }
+
+        public void Stop()
+        {
+        }
+
+        public void Initialise()
+        {
+            Logger.Log.InfoFormat("[INVENTORY]: {0} cannot be default-initialized!", Name);
+            throw new PluginNotInitialisedException(Name);
+        }
+
+        public void Dispose()
+        {
+        }
+
+        public string Version
+        {
+            get { return m_inventoryProvider.Version; }
+        }
+
+        public string Name
+        {
+            get { return "AssetInventoryServer OpenSim inventory storage provider"; }
+        }
+
+        #endregion IPlugin implementation
     }
 }

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

@@ -15,6 +15,9 @@
     <Extension path="/OpenSim/AssetInventoryServer/StorageProvider">
         <Plugin id="OpenSimAssetStorage" provider="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.dll" type="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.OpenSimAssetStoragePlugin" />
     </Extension>
+    <Extension path="/OpenSim/AssetInventoryServer/InventoryProvider">
+        <Plugin id="OpenSimInventoryStorage" provider="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.dll" type="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.OpenSimInventoryStoragePlugin" />
+    </Extension>
     <Extension path="/OpenSim/AssetInventoryServer/Frontend">
         <Plugin id="OpenSimAssetFrontend" provider="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.dll" type="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.OpenSimAssetFrontendPlugin" />
     </Extension>

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

@@ -8,6 +8,6 @@
     </Dependencies>
 
     <Extension path="/OpenSim/AssetInventoryServer/MetricsProvider">
-        <Plugin id="OpenSimMetrics" provider="OpenSim.Grid.AssetInventoryServer.Plugins.dll" type="OpenSim.Grid.AssetInventoryServer.Plugins.NullMetrics" />
+        <Plugin id="AssetInventoryMetrics" provider="OpenSim.Grid.AssetInventoryServer.Plugins.dll" type="OpenSim.Grid.AssetInventoryServer.Plugins.NullMetricsPlugin" />
     </Extension>
 </Addin>

OpenSim/Grid/AssetInventoryServer/Plugins/Simple/Resources/AssetInventoryServerSimplePlugins.addin.xml

@@ -10,4 +10,7 @@
     <Extension path="/OpenSim/AssetInventoryServer/StorageProvider">
         <Plugin id="SimpleAssetStorage" provider="OpenSim.Grid.AssetInventoryServer.Plugins.Simple.dll" type="OpenSim.Grid.AssetInventoryServer.Plugins.Simple.SimpleAssetStoragePlugin" />
     </Extension>
+    <Extension path="/OpenSim/AssetInventoryServer/InventoryProvider">
+        <Plugin id="SimpleInventoryStorage" provider="OpenSim.Grid.AssetInventoryServer.Plugins.Simple.dll" type="OpenSim.Grid.AssetInventoryServer.Plugins.Simple.SimpleInventoryStoragePlugin" />
+    </Extension>
 </Addin>

OpenSim/Grid/AssetInventoryServer/Plugins/Simple/SimpleInventoryStoragePlugin.cs

@@ -35,12 +35,13 @@ using System.Text;
 using ExtensionLoader;
 using OpenMetaverse;
 using OpenMetaverse.StructuredData;
+using OpenSim.Framework;
 
-namespace OpenSim.Grid.AssetInventoryServer.Extensions
+namespace OpenSim.Grid.AssetInventoryServer.Plugins.Simple
 {
-    public class SimpleInventory : IExtension<AssetInventoryServer>, IInventoryProvider
+    public class SimpleInventoryStoragePlugin : IInventoryStorageProvider
     {
-        const string EXTENSION_NAME = "SimpleInventory"; // Used for metrics reporting
+        const string EXTENSION_NAME = "SimpleInventoryStorage"; // Used for metrics reporting
         const string DEFAULT_INVENTORY_DIR = "SimpleInventory";
 
         AssetInventoryServer server;
@@ -49,26 +50,12 @@ namespace OpenSim.Grid.AssetInventoryServer.Extensions
         Utils.InventoryItemSerializer itemSerializer = new Utils.InventoryItemSerializer();
         Utils.InventoryFolderSerializer folderSerializer = new Utils.InventoryFolderSerializer();
 
-        public SimpleInventory()
+        public SimpleInventoryStoragePlugin()
         {
         }
 
         #region Required Interfaces
 
-        public void Start(AssetInventoryServer server)
-        {
-            this.server = server;
-
-            LoadFiles(DEFAULT_INVENTORY_DIR);
-
-            Logger.Log.InfoFormat("Initialized the inventory index with data for {0} avatars",
-                inventories.Count);
-        }
-
-        public void Stop()
-        {
-        }
-
         public BackendResponse TryFetchItem(Uri owner, UUID itemID, out InventoryItem item)
         {
             item = null;
@@ -598,5 +585,43 @@ namespace OpenSim.Grid.AssetInventoryServer.Extensions
                 Logger.Log.ErrorFormat("Failed loading inventory from {0}: {1}", folder, ex.Message);
             }
         }
+
+        #region IPlugin implementation
+
+        public void Initialise(AssetInventoryServer server)
+        {
+            this.server = server;
+
+            LoadFiles(DEFAULT_INVENTORY_DIR);
+
+            Logger.Log.InfoFormat("Initialized the inventory index with data for {0} avatars",
+                inventories.Count);
+        }
+
+        /// <summary>
+        /// <para>Initialises asset interface</para>
+        /// </summary>
+        public void Initialise()
+        {
+            Logger.Log.InfoFormat("[ASSET]: {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 Simple inventory storage provider"; }
+        }
+
+        #endregion IPlugin implementation
     }
 }

bin/OpenSim.Grid.AssetInventoryServer.addin.xml

@@ -10,7 +10,7 @@
         <ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IAssetStorageProvider" />
     </ExtensionPoint>
     <ExtensionPoint path="/OpenSim/AssetInventoryServer/InventoryProvider">
-        <ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IInventoryProvider" />
+        <ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IInventoryStorageProvider" />
     </ExtensionPoint>
     <ExtensionPoint path="/OpenSim/AssetInventoryServer/AuthenticationProvider">
         <ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IAuthenticationProvider" />

prebuild.xml

@@ -824,6 +824,7 @@
       <Reference name="OpenSim.Framework" />
       <Reference name="OpenSim.Data" />
       <Reference name="OpenSim.Grid.AssetInventoryServer" />
+      <Reference name="OpenMetaverse"/>
       <Reference name="OpenMetaverseTypes"/>
       <Reference name="OpenMetaverse.StructuredData2" />
       <Reference name="HttpServer2"/>