13 files changed, 593 insertions, 28 deletions

diff --git a/OpenSim/ApplicationPlugins/Rest/Inventory/RestInventoryServices.cs b/OpenSim/ApplicationPlugins/Rest/Inventory/RestInventoryServices.cs
index a1cd116..aec06be 100644
--- a/OpenSim/ApplicationPlugins/Rest/Inventory/RestInventoryServices.cs
+++ b/OpenSim/ApplicationPlugins/Rest/Inventory/RestInventoryServices.cs
@@ -265,7 +265,7 @@ namespace OpenSim.ApplicationPlugins.Rest.Inventory
 
             if (Rest.InventoryServices.HasInventoryForUser(rdata.uuid))
             {
-                rdata.root = Rest.InventoryServices.RequestRootFolder(rdata.uuid);
+                rdata.root = Rest.InventoryServices.GetRootFolder(rdata.uuid);
 
                 Rest.Log.DebugFormat("{0} Inventory Root retrieved for {1} {2}",
                                      MsgId, rdata.userProfile.FirstName, rdata.userProfile.SurName);
diff --git a/OpenSim/Framework/Communications/Tests/LoginServiceTests.cs b/OpenSim/Framework/Communications/Tests/LoginServiceTests.cs
index 9e181f3..b1b7809 100644
--- a/OpenSim/Framework/Communications/Tests/LoginServiceTests.cs
+++ b/OpenSim/Framework/Communications/Tests/LoginServiceTests.cs
@@ -447,4 +447,133 @@ namespace OpenSim.Framework.Communications.Tests
             #endregion
         }
     }
+
+    class TestInventoryService : IInventoryService
+    {
+        public TestInventoryService()
+        {
+        }
+
+        /// <summary>
+        /// <see cref="OpenSim.Framework.Communications.IInterServiceInventoryServices"/>
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <returns></returns>
+        public bool CreateUserInventory(UUID userId)
+        {
+            return false;
+        }
+
+        /// <summary>
+        /// <see cref="OpenSim.Framework.Communications.IInterServiceInventoryServices"/>
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <returns></returns>
+        public List<InventoryFolderBase> GetInventorySkeleton(UUID userId)
+        {
+            List<InventoryFolderBase> folders = new List<InventoryFolderBase>();
+            InventoryFolderBase folder = new InventoryFolderBase();
+            folder.ID = UUID.Random();
+            folder.Owner = userId;
+            folders.Add(folder);
+            return folders;
+        }
+
+        /// <summary>
+        /// Returns a list of all the active gestures in a user's inventory.
+        /// </summary>
+        /// <param name="userId">
+        /// The <see cref="UUID"/> of the user
+        /// </param>
+        /// <returns>
+        /// A flat list of the gesture items.
+        /// </returns>
+        public List<InventoryItemBase> GetActiveGestures(UUID userId)
+        {
+            return null;
+        }
+
+        public InventoryCollection GetUserInventory(UUID userID)
+        {
+            return null;
+        }
+
+        public void GetUserInventory(UUID userID, OpenSim.Services.Interfaces.InventoryReceiptCallback callback)
+        {
+        }
+
+        public InventoryFolderBase GetFolderForType(UUID userID, AssetType type)
+        {
+            return null;
+        }
+
+        public InventoryCollection GetFolderContent(UUID userID, UUID folderID)
+        {
+            return null;
+        }
+
+        public List<InventoryItemBase> GetFolderItems(UUID userID, UUID folderID)
+        {
+            return null;
+        }
+
+        public bool AddFolder(InventoryFolderBase folder)
+        {
+            return false;
+        }
+
+        public bool UpdateFolder(InventoryFolderBase folder)
+        {
+            return false;
+        }
+
+        public bool MoveFolder(InventoryFolderBase folder)
+        {
+            return false;
+        }
+
+        public bool PurgeFolder(InventoryFolderBase folder)
+        {
+            return false;
+        }
+
+        public bool AddItem(InventoryItemBase item)
+        {
+            return false;
+        }
+
+        public bool UpdateItem(InventoryItemBase item)
+        {
+            return false;
+        }
+
+        public bool DeleteItem(InventoryItemBase item)
+        {
+            return false;
+        }
+
+        public InventoryItemBase QueryItem(InventoryItemBase item)
+        {
+            return null;
+        }
+
+        public InventoryFolderBase QueryFolder(InventoryFolderBase folder)
+        {
+            return null;
+        }
+
+        public bool HasInventoryForUser(UUID userID)
+        {
+            return false;
+        }
+
+        public InventoryFolderBase GetRootFolder(UUID userID)
+        {
+            InventoryFolderBase root = new InventoryFolderBase();
+            root.ID = UUID.Random();
+            root.Owner = userID;
+            root.ParentID = UUID.Zero;
+            return root;
+        }
+    }
 }
diff --git a/OpenSim/Framework/Communications/UserManagerBase.cs b/OpenSim/Framework/Communications/UserManagerBase.cs
index b9044eb..7ad6bbf 100644
--- a/OpenSim/Framework/Communications/UserManagerBase.cs
+++ b/OpenSim/Framework/Communications/UserManagerBase.cs
@@ -694,7 +694,7 @@ namespace OpenSim.Framework.Communications
                     // local service (standalone)
                     m_log.Debug("[USERSTORAGE]: using IInventoryService to create user's inventory");
                     m_InventoryService.CreateUserInventory(userProf.ID);
-                    InventoryFolderBase rootfolder = m_InventoryService.RequestRootFolder(userProf.ID);
+                    InventoryFolderBase rootfolder = m_InventoryService.GetRootFolder(userProf.ID);
                     if (rootfolder != null)
                         userProf.RootInventoryFolderID = rootfolder.ID;
                 }
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
index 1a422fd..d4168fe 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);
 
         }
 
@@ -201,6 +205,72 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             }
         }
 
+        // 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.GetFolderContent(userID, folderID);
+            else
+            {
+                UUID sessionID = GetSessionID(userID);
+                string uri = GetUserInventoryURI(userID) + "/" + userID.ToString();
+                return m_HGService.GetFolderContent(uri, folderID, sessionID);
+            }
+        }
+
+        public override Dictionary<AssetType, InventoryFolderBase> GetSystemFolders(UUID userID)
+        {
+            if (IsLocalGridUser(userID))
+                return GetSystemFoldersLocal(userID);
+            else
+            {
+                UUID sessionID = GetSessionID(userID);
+                string uri = GetUserInventoryURI(userID) + "/" + userID.ToString();
+                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>();
+                    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) && (folder.Type != (short)AssetType.Unknown))
+                            folders[(AssetType)folder.Type] = folder;
+                    }
+                    m_log.DebugFormat("[HG INVENTORY CONNECTOR]: System folders count for {0}: {1}", userID, folders.Count);
+                    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>();
@@ -346,7 +416,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             return false;
         }
 
-        public InventoryFolderBase RequestRootFolder(UUID userID)
+        public InventoryFolderBase GetRootFolder(UUID userID)
         {
             return null;
         }
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 f595b02..98e30ce 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)
@@ -176,6 +180,39 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             m_InventoryService.GetUserInventory(userID, callback);
         }
 
+        // Inherited. See base
+        //public InventoryFolderBase GetFolderForType(UUID userID, AssetType type)
+        //{
+        //    return m_InventoryService.GetFolderForType(userID, type);
+        //}
+
+        public override Dictionary<AssetType, InventoryFolderBase> GetSystemFolders(UUID userID)
+        {
+            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) && (folder.Type != (short)AssetType.Unknown))
+                            folders[(AssetType)folder.Type] = folder;
+                    }
+                    return folders;
+                }
+            }
+            m_log.WarnFormat("[INVENTORY CONNECTOR]: System folders for {0} not found", userID);
+            return new Dictionary<AssetType, InventoryFolderBase>();
+        }
+
+        public InventoryCollection GetFolderContent(UUID userID, UUID folderID)
+        {
+            return m_InventoryService.GetFolderContent(userID, folderID);
+        }
+
+
         public List<InventoryItemBase> GetFolderItems(UUID userID, UUID folderID)
         {
             return m_InventoryService.GetFolderItems(userID, folderID);
@@ -276,9 +313,9 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
         /// </summary>
         /// <param name="userID"></param>
         /// <returns>null if no root folder was found</returns>
-        public InventoryFolderBase RequestRootFolder(UUID userID)
+        public InventoryFolderBase GetRootFolder(UUID userID)
         {
-            return m_InventoryService.RequestRootFolder(userID);
+            return m_InventoryService.GetRootFolder(userID);
         }
 
         public List<InventoryItemBase> GetActiveGestures(UUID userId)
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteInventoryServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteInventoryServiceConnector.cs
index 107b588..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)
@@ -168,6 +171,34 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
 
         }
 
+        // 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)
+        {
+            UUID sessionID = GetSessionID(userID);
+            try
+            {
+                return m_RemoteConnector.GetFolderContent(userID.ToString(), folderID, sessionID);
+            }
+            catch (Exception e)
+            {
+                m_log.ErrorFormat("[INVENTORY CONNECTOR]: GetFolderContent operation failed, {0} {1}",
+                    e.Source, e.Message);
+            }
+            InventoryCollection nullCollection = new InventoryCollection();
+            nullCollection.Folders = new List<InventoryFolderBase>();
+            nullCollection.Items = new List<InventoryItemBase>();
+            nullCollection.UserID = userID;
+            return nullCollection;
+        }
+
         public List<InventoryItemBase> GetFolderItems(UUID userID, UUID folderID)
         {
             return new List<InventoryItemBase>();
@@ -259,7 +290,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             return false;
         }
 
-        public InventoryFolderBase RequestRootFolder(UUID userID)
+        public InventoryFolderBase GetRootFolder(UUID userID)
         {
             return null;
         }
diff --git a/OpenSim/Services/Connectors/Inventory/HGInventoryServiceConnector.cs b/OpenSim/Services/Connectors/Inventory/HGInventoryServiceConnector.cs
index 01e517c..f6d1500 100644
--- a/OpenSim/Services/Connectors/Inventory/HGInventoryServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Inventory/HGInventoryServiceConnector.cs
@@ -120,6 +120,48 @@ namespace OpenSim.Services.Connectors.Inventory
 
         }
 
+        /// <summary>
+        /// Gets the user folder for the given folder-type
+        /// </summary>
+        /// <param name="userID"></param>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        public Dictionary<AssetType, InventoryFolderBase> GetSystemFolders(string id, UUID sessionID)
+        {
+            m_log.Debug("[HGInventory]: GetSystemFolders " + id);
+            string url = string.Empty;
+            string userID = string.Empty;
+
+            if (StringToUrlAndUserID(id, out url, out userID))
+            {
+                ISessionAuthInventoryService connector = GetConnector(url);
+                return connector.GetSystemFolders(userID, sessionID);
+            }
+
+            return new Dictionary<AssetType, InventoryFolderBase>();
+        }
+
+        /// <summary>
+        /// Gets everything (folders and items) inside a folder
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <param name="folderID"></param>
+        /// <returns></returns>
+        public InventoryCollection GetFolderContent(string id, UUID folderID, UUID sessionID)
+        {
+            m_log.Debug("[HGInventory]: GetSystemFolders " + id);
+            string url = string.Empty;
+            string userID = string.Empty;
+
+            if (StringToUrlAndUserID(id, out url, out userID))
+            {
+                ISessionAuthInventoryService connector = GetConnector(url);
+                return connector.GetFolderContent(userID, folderID, sessionID);
+            }
+
+            return null;
+        }
+
         public bool AddFolder(string id, InventoryFolderBase folder, UUID sessionID)
         {
             string url = string.Empty;
diff --git a/OpenSim/Services/Connectors/Inventory/ISessionAuthInventoryService.cs b/OpenSim/Services/Connectors/Inventory/ISessionAuthInventoryService.cs
index 4fc4363..973cb0a 100644
--- a/OpenSim/Services/Connectors/Inventory/ISessionAuthInventoryService.cs
+++ b/OpenSim/Services/Connectors/Inventory/ISessionAuthInventoryService.cs
@@ -25,6 +25,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+using System.Collections.Generic;
 using OpenSim.Framework;
 using OpenSim.Services.Interfaces;
 using OpenMetaverse;
@@ -51,6 +52,22 @@ namespace OpenSim.Services.Connectors
         void GetUserInventory(string userID, UUID session_id, InventoryReceiptCallback callback);
 
         /// <summary>
+        /// Gets the user folder for the given folder-type
+        /// </summary>
+        /// <param name="userID"></param>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        Dictionary<AssetType, InventoryFolderBase> GetSystemFolders(string userID, UUID session_id);
+
+        /// <summary>
+        /// Gets everything (folders and items) inside a folder
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <param name="folderID"></param>
+        /// <returns></returns>
+        InventoryCollection GetFolderContent(string userID, UUID folderID, UUID session_id);
+
+        /// <summary>
         /// Add a new folder to the user's inventory
         /// </summary>
         /// <param name="folder"></param>
diff --git a/OpenSim/Services/Connectors/Inventory/InventoryServiceConnector.cs b/OpenSim/Services/Connectors/Inventory/InventoryServiceConnector.cs
index ae15cfb..3b15831 100644
--- a/OpenSim/Services/Connectors/Inventory/InventoryServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Inventory/InventoryServiceConnector.cs
@@ -155,6 +155,50 @@ namespace OpenSim.Services.Connectors
             }
         }
 
+        /// <summary>
+        /// Gets the user folder for the given folder-type
+        /// </summary>
+        /// <param name="userID"></param>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        public Dictionary<AssetType, InventoryFolderBase> GetSystemFolders(string userID, UUID sessionID)
+        {
+            try
+            {
+                return SynchronousRestSessionObjectPoster<string, Dictionary<AssetType, InventoryFolderBase>>.BeginPostObject(
+                    "GET", m_ServerURI + "/SystemFolders/", userID, sessionID.ToString(), userID.ToString());
+            }
+            catch (Exception e)
+            {
+                m_log.ErrorFormat("[INVENTORY CONNECTOR]: GetFolderForType operation failed, {0} {1}",
+                     e.Source, e.Message);
+            }
+
+            return new Dictionary<AssetType, InventoryFolderBase>();
+        }
+
+        /// <summary>
+        /// Gets everything (folders and items) inside a folder
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <param name="folderID"></param>
+        /// <returns></returns>
+        public InventoryCollection GetFolderContent(string userID, UUID folderID, UUID sessionID)
+        {
+            try
+            {
+                return SynchronousRestSessionObjectPoster<UUID, InventoryCollection>.BeginPostObject(
+                    "GET", m_ServerURI + "/GetFolderContents/", folderID, sessionID.ToString(), userID.ToString());
+            }
+            catch (Exception e)
+            {
+                m_log.ErrorFormat("[INVENTORY CONNECTOR]: GetFolderForType operation failed, {0} {1}",
+                     e.Source, e.Message);
+            }
+
+            return null;
+        }
+
         public bool AddFolder(string userID, InventoryFolderBase folder, UUID sessionID)
         {
             try
diff --git a/OpenSim/Services/Connectors/Inventory/QuickAndDirtyInventoryServiceConnector.cs b/OpenSim/Services/Connectors/Inventory/QuickAndDirtyInventoryServiceConnector.cs
index 6a93c04..22289aa 100644
--- a/OpenSim/Services/Connectors/Inventory/QuickAndDirtyInventoryServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Inventory/QuickAndDirtyInventoryServiceConnector.cs
@@ -106,6 +106,16 @@ namespace OpenSim.Services.Connectors
         {
         }
 
+        public InventoryFolderBase GetFolderForType(UUID userID, AssetType type)
+        {
+            return null;
+        }
+
+        public InventoryCollection GetFolderContent(UUID userID, UUID folderID)
+        {
+            return null;
+        }
+
         public List<InventoryItemBase> GetFolderItems(UUID userID, UUID folderID)
         {
             return null;
@@ -161,7 +171,7 @@ namespace OpenSim.Services.Connectors
             return false;
         }
 
-        public InventoryFolderBase RequestRootFolder(UUID userID)
+        public InventoryFolderBase GetRootFolder(UUID userID)
         {
             return null;
         }
diff --git a/OpenSim/Services/Interfaces/IInventoryService.cs b/OpenSim/Services/Interfaces/IInventoryService.cs
index 15da3cb..8058aa7 100644
--- a/OpenSim/Services/Interfaces/IInventoryService.cs
+++ b/OpenSim/Services/Interfaces/IInventoryService.cs
@@ -70,6 +70,29 @@ namespace OpenSim.Services.Interfaces
         void GetUserInventory(UUID userID, InventoryReceiptCallback callback);
 
         /// <summary>
+        /// Retrieve the root inventory folder for the given user.
+        /// </summary>
+        /// <param name="userID"></param>
+        /// <returns>null if no root folder was found</returns>
+        InventoryFolderBase GetRootFolder(UUID userID);
+
+        /// <summary>
+        /// Gets the user folder for the given folder-type
+        /// </summary>
+        /// <param name="userID"></param>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        InventoryFolderBase GetFolderForType(UUID userID, AssetType type);
+
+        /// <summary>
+        /// Gets everything (folders and items) inside a folder
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <param name="folderID"></param>
+        /// <returns></returns>
+        InventoryCollection GetFolderContent(UUID userID, UUID folderID);
+        
+        /// <summary>
         /// Gets the items inside a folder
         /// </summary>
         /// <param name="userID"></param>
@@ -138,13 +161,6 @@ namespace OpenSim.Services.Interfaces
         bool HasInventoryForUser(UUID userID);
 
         /// <summary>
-        /// Retrieve the root inventory folder for the given user.
-        /// </summary>
-        /// <param name="userID"></param>
-        /// <returns>null if no root folder was found</returns>
-        InventoryFolderBase RequestRootFolder(UUID userID);
-
-        /// <summary>
         /// Get the active gestures of the agent.
         /// </summary>
         /// <param name="userId"></param>
diff --git a/OpenSim/Services/InventoryService/InventoryService.cs b/OpenSim/Services/InventoryService/InventoryService.cs
index ea34195..a9ecda4 100644
--- a/OpenSim/Services/InventoryService/InventoryService.cs
+++ b/OpenSim/Services/InventoryService/InventoryService.cs
@@ -60,7 +60,7 @@ namespace OpenSim.Services.InventoryService
         {
             m_log.DebugFormat("[INVENTORY SERVICE]: Getting inventory skeleton for {0}", userId);
 
-            InventoryFolderBase rootFolder = RequestRootFolder(userId);
+            InventoryFolderBase rootFolder = GetRootFolder(userId);
 
             // Agent has no inventory structure yet.
             if (null == rootFolder)
@@ -86,7 +86,7 @@ namespace OpenSim.Services.InventoryService
         }
 
         // See IInventoryServices
-        public virtual InventoryFolderBase RequestRootFolder(UUID userID)
+        public virtual InventoryFolderBase GetRootFolder(UUID userID)
         {
             // Retrieve the first root folder we get from the DB.
             InventoryFolderBase rootFolder = m_Database.getUserRootFolder(userID);
@@ -100,7 +100,7 @@ namespace OpenSim.Services.InventoryService
         // See IInventoryServices
         public bool CreateUserInventory(UUID user)
         {
-            InventoryFolderBase existingRootFolder = RequestRootFolder(user);
+            InventoryFolderBase existingRootFolder = GetRootFolder(user);
 
             if (null != existingRootFolder)
             {
@@ -233,6 +233,67 @@ namespace OpenSim.Services.InventoryService
             callback.BeginInvoke(folders, items, null, null);
         }
 
+        public InventoryCollection GetFolderContent(UUID userID, UUID folderID)
+        {
+            m_log.Info("[INVENTORY SERVICE]: Processing request for folder " + folderID);
+
+            // Uncomment me to simulate a slow responding inventory server
+            //Thread.Sleep(16000);
+
+            InventoryCollection invCollection = new InventoryCollection();
+
+            List<InventoryItemBase> items = GetFolderItems(userID, folderID);
+            List<InventoryFolderBase> folders = RequestSubFolders(folderID);
+
+            invCollection.UserID = userID;
+            invCollection.Folders = folders;
+            invCollection.Items = items;
+
+            m_log.DebugFormat("[INVENTORY SERVICE]: Found {0} items and {1} folders", items.Count, folders.Count);
+
+            return invCollection;            
+        }
+
+        public InventoryFolderBase GetFolderForType(UUID userID, AssetType type)
+        {
+            InventoryFolderBase root = m_Database.getUserRootFolder(userID);
+            if (root != null)
+            {
+                List<InventoryFolderBase> folders = RequestSubFolders(root.ID);
+
+                foreach (InventoryFolderBase folder in folders)
+                {
+                    if (folder.Type == (short)type)
+                        return folder;
+                }
+            }
+
+            // we didn't find any folder of that type. Return the root folder
+            // hopefully the root folder is not null. If it is, too bad
+            return root;
+        }
+
+        public Dictionary<AssetType, InventoryFolderBase> GetSystemFolders(UUID userID)
+        {
+            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) && (folder.Type != (short)AssetType.Unknown))
+                            folders[(AssetType)folder.Type] = folder;
+                    }
+                    return folders;
+                }
+            }
+            m_log.WarnFormat("[INVENTORY SERVICE]: System folders for {0} not found", userID);
+            return new Dictionary<AssetType, InventoryFolderBase>();
+        }
+
         public List<InventoryItemBase> GetActiveGestures(UUID userId)
         {
             List<InventoryItemBase> activeGestures = new List<InventoryItemBase>();