4 files changed, 207 insertions, 37 deletions

diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
index f5e6824..1562172 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
@@ -41,7 +41,7 @@ using OpenMetaverse;
 
 namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
 {
-    public class HGInventoryBroker : ISharedRegionModule, IInventoryService
+    public class HGInventoryBroker : InventoryCache, ISharedRegionModule, IInventoryService
     {
         private static readonly ILog m_log =
                 LogManager.GetLogger(
@@ -122,6 +122,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
 
                     m_LocalGridInventoryURI = inventoryConfig.GetString("InventoryServerURI", string.Empty);
 
+                    Init(source);
+
                     m_Enabled = true;
                     m_log.Info("[HG INVENTORY CONNECTOR]: HG inventory broker enabled");
                 }
@@ -136,7 +138,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
         {
         }
 
-        public void AddRegion(Scene scene)
+        public override void AddRegion(Scene scene)
         {
             if (!m_Enabled)
                 return;
@@ -154,10 +156,12 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             }
 
             scene.RegisterModuleInterface<IInventoryService>(this);
+            base.AddRegion(scene);
         }
 
-        public void RemoveRegion(Scene scene)
+        public override void RemoveRegion(Scene scene)
         {
+            base.RemoveRegion(scene);
         }
 
         public void RegionLoaded(Scene scene)
@@ -165,7 +169,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             if (!m_Enabled)
                 return;
 
-            m_log.InfoFormat("[INVENTORY CONNECTOR]: Enabled HG inventory for region {0}", scene.RegionInfo.RegionName);
+            m_log.InfoFormat("[HG INVENTORY CONNECTOR]: Enabled HG inventory for region {0}", scene.RegionInfo.RegionName);
 
         }
 
@@ -201,32 +205,72 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             }
         }
 
-        public InventoryFolderBase GetFolderForType(UUID userID, AssetType type)
+        // Inherited. See base
+        //public override InventoryFolderBase GetFolderForType(UUID userID, AssetType type)
+        //{
+        //    if (IsLocalGridUser(userID))
+        //        return m_GridService.GetFolderForType(userID, type);
+        //    else
+        //    {
+        //        UUID sessionID = GetSessionID(userID);
+        //        string uri = GetUserInventoryURI(userID) + "/" + userID.ToString();
+        //        // !!!!!!
+        //        return null;
+        //        //return m_HGService.GetFolderForType(uri, sessionID, type);
+        //    }
+        //}
+
+        public InventoryCollection GetFolderContent(UUID userID, UUID folderID)
         {
             if (IsLocalGridUser(userID))
-                return m_GridService.GetFolderForType(userID, type);
+                return m_GridService.GetFolderContent(userID, folderID);
             else
             {
                 UUID sessionID = GetSessionID(userID);
                 string uri = GetUserInventoryURI(userID) + "/" + userID.ToString();
-                // !!!!!!
-                return null;
-                //return m_HGService.GetFolderForType(uri, sessionID, type);
+                return m_HGService.GetFolderContent(uri, folderID, sessionID);
             }
         }
 
-        public InventoryCollection GetFolderContent(UUID userID, UUID folderID)
+        public override Dictionary<AssetType, InventoryFolderBase> GetSystemFolders(UUID userID)
         {
             if (IsLocalGridUser(userID))
-                return m_GridService.GetFolderContent(userID, folderID);
+                return GetSystemFoldersLocal(userID);
             else
             {
                 UUID sessionID = GetSessionID(userID);
                 string uri = GetUserInventoryURI(userID) + "/" + userID.ToString();
-                return m_HGService.GetFolderContent(uri, folderID, sessionID);
+                return m_HGService.GetSystemFolders(uri, sessionID);
             }
         }
 
+        private Dictionary<AssetType, InventoryFolderBase> GetSystemFoldersLocal(UUID userID)
+        {
+            InventoryFolderBase root = m_GridService.GetRootFolder(userID);
+            if (root != null)
+            {
+                InventoryCollection content = m_GridService.GetFolderContent(userID, root.ID);
+                if (content != null)
+                {
+                    Dictionary<AssetType, InventoryFolderBase> folders = new Dictionary<AssetType, InventoryFolderBase>();
+                    m_log.DebugFormat("[HG INVENTORY CONNECTOR]: System folders count for {0}: {1}", userID, folders.Count);
+                    foreach (InventoryFolderBase folder in content.Folders)
+                    {
+                        m_log.DebugFormat("[HG INVENTORY CONNECTOR]: scanning folder type {0}", (AssetType)folder.Type);
+                        if (folder.Type != (short)AssetType.Folder)
+                            folders[(AssetType)folder.Type] = folder;
+                    }
+                    return folders;
+                }
+                m_log.DebugFormat("[HG INVENTORY CONNECTOR]: Root folder content not found for {0}", userID);
+
+            }
+
+            m_log.DebugFormat("[HG INVENTORY CONNECTOR]: Root folder not found for {0}", userID);
+
+            return new Dictionary<AssetType, InventoryFolderBase>();
+        }
+
         public List<InventoryItemBase> GetFolderItems(UUID userID, UUID folderID)
         {
             return new List<InventoryItemBase>();
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/InventoryCache.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/InventoryCache.cs
new file mode 100644
index 0000000..57c2091
--- /dev/null
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/InventoryCache.cs
@@ -0,0 +1,108 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+
+using OpenSim.Framework;
+using OpenSim.Framework.Client;
+using OpenSim.Region.Framework.Scenes;
+
+using OpenMetaverse;
+using Nini.Config;
+using log4net;
+
+namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
+{
+    public abstract class InventoryCache
+    {
+        private static readonly ILog m_log =
+            LogManager.GetLogger(
+            MethodBase.GetCurrentMethod().DeclaringType);
+
+        protected List<Scene> m_Scenes;
+
+        // The cache proper
+        protected Dictionary<UUID, Dictionary<AssetType, InventoryFolderBase>> m_InventoryCache;
+
+        protected virtual void Init(IConfigSource source)
+        {
+            m_Scenes = new List<Scene>();
+            m_InventoryCache = new Dictionary<UUID, Dictionary<AssetType, InventoryFolderBase>>();
+        }
+
+        public virtual void AddRegion(Scene scene)
+        {
+            m_Scenes.Add(scene);
+            scene.EventManager.OnMakeRootAgent += OnMakeRootAgent;
+            scene.EventManager.OnClientClosed += OnClientClosed;
+        }
+
+        public virtual void RemoveRegion(Scene scene)
+        {
+            if ((m_Scenes != null) && m_Scenes.Contains(scene))
+            {
+                m_Scenes.Remove(scene);
+            }
+        }
+
+        void OnMakeRootAgent(ScenePresence presence)
+        {
+            // Get system folders
+
+            // First check if they're here already
+            lock (m_InventoryCache)
+            {
+                if (m_InventoryCache.ContainsKey(presence.UUID))
+                {
+                    m_log.DebugFormat("[INVENTORY CACHE]: OnMakeRootAgent, system folders for {0} {1} already in cache", presence.Firstname, presence.Lastname);
+                    return;
+                }
+            }
+
+            // If not, go get them and place them in the cache
+            Dictionary<AssetType, InventoryFolderBase> folders = GetSystemFolders(presence.UUID);
+            m_log.DebugFormat("[INVENTORY CACHE]: OnMakeRootAgent, fetched system folders for {0} {1}: count {2}", 
+                presence.Firstname, presence.Lastname, folders.Count);
+            if (folders.Count > 0)
+                lock (m_InventoryCache)
+                    m_InventoryCache.Add(presence.UUID, folders);
+        }
+
+        void OnClientClosed(UUID clientID, Scene scene)
+        {
+            ScenePresence sp = null;
+            foreach (Scene s in m_Scenes)
+            {
+                s.TryGetAvatar(clientID, out sp);
+                if (sp != null)
+                {
+                    m_log.DebugFormat("[INVENTORY CACHE]: OnClientClosed, but user {0} still in sim. Keeping system folders in cache", clientID);
+                    return;
+                }
+            }
+
+            m_log.DebugFormat("[INVENTORY CACHE]: OnClientClosed, user {0} out of sim. Dropping system folders", clientID);
+            // Drop system folders
+            lock (m_InventoryCache)
+                if (m_InventoryCache.ContainsKey(clientID))
+                    m_InventoryCache.Remove(clientID);
+
+        }
+
+        public abstract Dictionary<AssetType, InventoryFolderBase> GetSystemFolders(UUID userID);
+
+        public InventoryFolderBase GetFolderForType(UUID userID, AssetType type)
+        {
+            Dictionary<AssetType, InventoryFolderBase> folders = null;
+            lock (m_InventoryCache)
+            {
+                m_InventoryCache.TryGetValue(userID, out folders);
+            }
+            if ((folders != null) && folders.ContainsKey(type))
+            {
+                return folders[type];
+            }
+
+            return null;
+        }
+    }
+}
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/LocalInventoryServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/LocalInventoryServiceConnector.cs
index bab0044..5c52897f 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/LocalInventoryServiceConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/LocalInventoryServiceConnector.cs
@@ -41,7 +41,7 @@ using OpenMetaverse;
 
 namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
 {
-    public class LocalInventoryServicesConnector : ISharedRegionModule, IInventoryService
+    public class LocalInventoryServicesConnector : InventoryCache, ISharedRegionModule, IInventoryService
     {
         private static readonly ILog m_log =
                 LogManager.GetLogger(
@@ -108,6 +108,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
                     //    m_InventoryService.AddPlugin(new OspInventoryWrapperPlugin(plugin, this));
                     //}
 
+                    Init(source);
+
                     m_Enabled = true;
                     m_log.Info("[INVENTORY CONNECTOR]: Local inventory connector enabled");
                 }
@@ -122,7 +124,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
         {
         }
 
-        public void AddRegion(Scene scene)
+        public override void AddRegion(Scene scene)
         {
             if (!m_Enabled)
                 return;
@@ -139,10 +141,12 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
 //                "[INVENTORY CONNECTOR]: Registering IInventoryService to scene {0}", scene.RegionInfo.RegionName);
             
             scene.RegisterModuleInterface<IInventoryService>(this);
+            base.AddRegion(scene);
         }
 
-        public void RemoveRegion(Scene scene)
+        public override void RemoveRegion(Scene scene)
         {
+            base.RemoveRegion(scene);
         }
 
         public void RegionLoaded(Scene scene)
@@ -176,9 +180,30 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             m_InventoryService.GetUserInventory(userID, callback);
         }
 
-        public InventoryFolderBase GetFolderForType(UUID userID, AssetType type)
+        // Inherited. See base
+        //public InventoryFolderBase GetFolderForType(UUID userID, AssetType type)
+        //{
+        //    return m_InventoryService.GetFolderForType(userID, type);
+        //}
+
+        public override Dictionary<AssetType, InventoryFolderBase> GetSystemFolders(UUID userID)
         {
-            return m_InventoryService.GetFolderForType(userID, type);
+            InventoryFolderBase root = GetRootFolder(userID);
+            if (root != null)
+            {
+                InventoryCollection content = GetFolderContent(userID, root.ID);
+                if (content != null)
+                {
+                    Dictionary<AssetType, InventoryFolderBase> folders = new Dictionary<AssetType, InventoryFolderBase>();
+                    foreach (InventoryFolderBase folder in content.Folders)
+                    {
+                        if (folder.Type != (short)AssetType.Folder)
+                            folders[(AssetType)folder.Type] = folder;
+                    }
+                    return folders;
+                }
+            }
+            return new Dictionary<AssetType, InventoryFolderBase>();
         }
 
         public InventoryCollection GetFolderContent(UUID userID, UUID folderID)
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteInventoryServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteInventoryServiceConnector.cs
index 2064558..dceda38 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteInventoryServiceConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteInventoryServiceConnector.cs
@@ -40,7 +40,7 @@ using OpenMetaverse;
 
 namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
 {
-    public class RemoteInventoryServicesConnector : ISharedRegionModule, IInventoryService
+    public class RemoteInventoryServicesConnector : InventoryCache, ISharedRegionModule, IInventoryService
     {
         private static readonly ILog m_log =
                 LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
@@ -69,9 +69,10 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             Init(source);
         }
 
-        private void Init(IConfigSource source)
+        protected override void Init(IConfigSource source)
         {
             m_RemoteConnector = new InventoryServicesConnector(source);
+            base.Init(source);
         }
 
 
@@ -101,7 +102,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
         {
         }
 
-        public void AddRegion(Scene scene)
+        public override void AddRegion(Scene scene)
         {
             if (!m_Enabled)
                 return;
@@ -116,10 +117,12 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             }
 
             scene.RegisterModuleInterface<IInventoryService>(this);
+            base.AddRegion(scene);
         }
 
-        public void RemoveRegion(Scene scene)
+        public override void RemoveRegion(Scene scene)
         {
+            base.RemoveRegion(scene);
         }
 
         public void RegionLoaded(Scene scene)
@@ -168,23 +171,13 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
 
         }
 
-        public InventoryFolderBase GetFolderForType(UUID userID, AssetType type)
-        {
-            //UUID sessionID = GetSessionID(userID);
-            //List<InventoryFolderBase> sysFolders;
-            //try
-            //{
-            //    sysFolders = m_RemoteConnector.GetSystemFolders(userID.ToString(), sessionID);
-            //}
-            //catch (Exception e)
-            //{
-            //    m_log.ErrorFormat("[INVENTORY CONNECTOR]: GetFolderForType operation failed, {0} {1}",
-            //        e.Source, e.Message);
-            //}
-
-            // PLACEHOLDER UNTIL CACHE IS DONE
-            return null;
+        // inherited. See base class
+        // public InventoryFolderBase GetFolderForType(UUID userID, AssetType type)
 
+        public override Dictionary<AssetType, InventoryFolderBase> GetSystemFolders(UUID userID)
+        {
+            UUID sessionID = GetSessionID(userID);
+            return m_RemoteConnector.GetSystemFolders(userID.ToString(), sessionID);
         }
 
         public InventoryCollection GetFolderContent(UUID userID, UUID folderID)