* Tleiades grid mode inventory (#444) - thanx Tleiades!

  * updated to rev 1413 on libsecondlife.dll and libsecondlife.dll.config (#423)
 

16 files changed, 543 insertions, 266 deletions

diff --git a/OpenSim/Framework/Communications/CAPSService.cs b/OpenSim/Framework/Communications/CAPSService.cs
index a8eac26..40d8d37 100644
--- a/OpenSim/Framework/Communications/CAPSService.cs
+++ b/OpenSim/Framework/Communications/CAPSService.cs
@@ -8,7 +8,6 @@ using Nwc.XmlRpc;
 using OpenSim.Framework.Console;
 using OpenSim.Framework.Data;
 using OpenSim.Framework.Interfaces;
-using OpenSim.Framework.Inventory;
 using OpenSim.Framework.Utilities;
 using OpenSim.Framework.Servers;
 
diff --git a/OpenSim/Framework/Communications/Cache/CachedUserInfo.cs b/OpenSim/Framework/Communications/Cache/CachedUserInfo.cs
index 99dc45a..9e8c239 100644
--- a/OpenSim/Framework/Communications/Cache/CachedUserInfo.cs
+++ b/OpenSim/Framework/Communications/Cache/CachedUserInfo.cs
@@ -38,7 +38,7 @@ using OpenSim.Framework.Utilities;
 
 namespace OpenSim.Framework.Communications.Caches
 {
-    public class CachedUserInfo
+    public class CachedUserInfo : MarshalByRefObject
     {
         private CommunicationsManager m_parentCommsManager;
         // Fields
@@ -51,7 +51,7 @@ namespace OpenSim.Framework.Communications.Caches
         }
 
         // Methods
-        public void FolderReceive(LLUUID userID, InventoryFolder folderInfo)
+        public void FolderReceive(LLUUID userID, InventoryFolderBase folderInfo)
         {
             if (userID == this.UserProfile.UUID)
             {
@@ -59,19 +59,19 @@ namespace OpenSim.Framework.Communications.Caches
                 {
                     if (folderInfo.parentID == LLUUID.Zero)
                     {
-                        this.RootFolder = folderInfo;
+                        this.RootFolder = new InventoryFolder(folderInfo);
                     }
                 }
                 else if (this.RootFolder.folderID == folderInfo.parentID)
                 {
-                    this.RootFolder.SubFolders.Add(folderInfo.folderID, folderInfo);
+                    this.RootFolder.SubFolders.Add(folderInfo.folderID, new InventoryFolder(folderInfo));
                 }
                 else
                 {
                     InventoryFolder folder = this.RootFolder.HasSubFolder(folderInfo.parentID);
                     if (folder != null)
                     {
-                        folder.SubFolders.Add(folderInfo.folderID, folderInfo);
+                        folder.SubFolders.Add(folderInfo.folderID, new InventoryFolder(folderInfo));
                     }
                 }
             }
@@ -131,3 +131,7 @@ namespace OpenSim.Framework.Communications.Caches
 
 }
 
+
+
+
+
diff --git a/OpenSim/Framework/Communications/Cache/InventoryFolder.cs b/OpenSim/Framework/Communications/Cache/InventoryFolder.cs
index 885cffc..a212614 100644
--- a/OpenSim/Framework/Communications/Cache/InventoryFolder.cs
+++ b/OpenSim/Framework/Communications/Cache/InventoryFolder.cs
@@ -35,6 +35,9 @@ using OpenSim.Framework.Interfaces;
 using OpenSim.Framework.Data;
 using OpenSim.Framework.Types;
 using OpenSim.Framework.Utilities;
+using OpenSim.Framework.Console;
+
+using InventoryCategory = OpenSim.Framework.Data.InventoryCategory;
 
 namespace OpenSim.Framework.Communications.Caches
 {
@@ -60,7 +63,7 @@ namespace OpenSim.Framework.Communications.Caches
         }
 
         // Methods
-        public InventoryFolder CreateNewSubFolder(LLUUID folderID, string folderName, ushort type)
+        public InventoryFolder CreateNewSubFolder(LLUUID folderID, string folderName, ushort type, InventoryCategory category)
         {
             InventoryFolder subFold = new InventoryFolder();
             subFold.name = folderName;
@@ -68,7 +71,12 @@ namespace OpenSim.Framework.Communications.Caches
             subFold.type = (short) type;
             subFold.parentID = this.folderID;
             subFold.agentID = this.agentID;
-            this.SubFolders.Add(subFold.folderID, subFold);
+            subFold.category = category;
+            if (!SubFolders.ContainsKey(subFold.folderID))
+                this.SubFolders.Add(subFold.folderID, subFold);
+            else
+                MainLog.Instance.Warn("INVENTORYCACHE", "Attempt to create a duplicate folder {0} {1}", folderName, folderID);
+
             return subFold;
         }
 
diff --git a/OpenSim/Framework/Communications/Cache/UserProfileCache.cs b/OpenSim/Framework/Communications/Cache/UserProfileCache.cs
index 390b938..3dadf9c 100644
--- a/OpenSim/Framework/Communications/Cache/UserProfileCache.cs
+++ b/OpenSim/Framework/Communications/Cache/UserProfileCache.cs
@@ -35,10 +35,11 @@ using OpenSim.Framework.Interfaces;
 using OpenSim.Framework.Types;
 using OpenSim.Framework.Utilities;
 using OpenSim.Framework.Data;
+using InventoryCategory = OpenSim.Framework.Data.InventoryCategory;
 
 namespace OpenSim.Framework.Communications.Caches
 {
-    public class UserProfileCache
+    public class UserProfileCache : MarshalByRefObject
     {
         // Fields
         private CommunicationsManager m_parent;
@@ -103,7 +104,7 @@ namespace OpenSim.Framework.Communications.Caches
                     CachedUserInfo info = this.UserProfiles[remoteClient.AgentId];
                     if (info.RootFolder.folderID == parentID)
                     {
-                       InventoryFolder createdFolder = info.RootFolder.CreateNewSubFolder(folderID, folderName, folderType);
+                       InventoryFolder createdFolder = info.RootFolder.CreateNewSubFolder(folderID, folderName, folderType, InventoryCategory.User);
                        if (createdFolder != null)
                        {
                            this.m_parent.InventoryService.AddNewInventoryFolder(remoteClient.AgentId, createdFolder);
@@ -114,7 +115,7 @@ namespace OpenSim.Framework.Communications.Caches
                         InventoryFolder folder = info.RootFolder.HasSubFolder(parentID);
                         if (folder != null)
                         {
-                            folder.CreateNewSubFolder(folderID, folderName, folderType);
+                            folder.CreateNewSubFolder(folderID, folderName, folderType, InventoryCategory.User);
                         }
                     }
                 }
@@ -124,16 +125,21 @@ namespace OpenSim.Framework.Communications.Caches
         public void HandleFecthInventoryDescendents(IClientAPI remoteClient, LLUUID folderID, LLUUID ownerID, bool fetchFolders, bool fetchItems, int sortOrder)
         {
             InventoryFolder fold  = null;
+
             if (folderID == libraryRoot.folderID )
             {
+                // we are looking for the root of the shared inventory
                 remoteClient.SendInventoryFolderDetails(libraryRoot.agentID, libraryRoot.folderID, libraryRoot.RequestListOfItems());
             }
             else if (( fold = libraryRoot.HasSubFolder(folderID)) != null)
             {
+                // we are looking for a sub folder of the shared inventory
                 remoteClient.SendInventoryFolderDetails(libraryRoot.agentID, folderID, fold.RequestListOfItems());
             }
             else if (this.UserProfiles.ContainsKey(remoteClient.AgentId))
             {
+                //if we get here, we are looking the inventory of an agent in this sim
+                //now we need to see if we already have the inventory cached
                 if (this.UserProfiles[remoteClient.AgentId].RootFolder != null)
                 {
                     CachedUserInfo info = this.UserProfiles[remoteClient.AgentId];
@@ -153,9 +159,23 @@ namespace OpenSim.Framework.Communications.Caches
                         }
                     }
                 }
+                else
+                {
+                    //nope, inventory wasn't cached, so go to the inventory server and ask for the inventory
+                    m_parent.InventoryService.RequestInventoryForUser(remoteClient.AgentId, ReceiveFolderInfo, ReceiveItemInfo);
+                }
             }
         }
 
+        public void ReceiveFolderInfo(LLUUID userID, InventoryFolderBase folderInfo)
+        {
+        }
+
+        public void ReceiveItemInfo(LLUUID userID, InventoryItemBase itemInfo)
+        {
+        }
+
+
         public void HandleFetchInventory(IClientAPI remoteClient, LLUUID itemID, LLUUID ownerID)
         {
             if (ownerID == libraryRoot.agentID)
@@ -181,7 +201,7 @@ namespace OpenSim.Framework.Communications.Caches
         /// <param name="userID"></param>
         private void RequestInventoryForUser(LLUUID userID, CachedUserInfo userInfo)
         {
-             this.m_parent.InventoryService.RequestInventoryForUser(userID, userInfo.FolderReceive, userInfo.ItemReceive);
+            this.m_parent.InventoryService.RequestInventoryForUser(userID, userInfo.FolderReceive, userInfo.ItemReceive);
         }
 
         /// <summary>
@@ -221,3 +241,7 @@ namespace OpenSim.Framework.Communications.Caches
     }
 }
 
+
+
+
+
diff --git a/OpenSim/Framework/Communications/IInventoryServices.cs b/OpenSim/Framework/Communications/IInventoryServices.cs
index 80c2e64..7b2948f 100644
--- a/OpenSim/Framework/Communications/IInventoryServices.cs
+++ b/OpenSim/Framework/Communications/IInventoryServices.cs
@@ -1,29 +1,31 @@
 using System;
-using System.Collections.Generic;
 using System.Text;
-using OpenSim.Framework.Data;
+using System.Collections.Generic;
+
 using libsecondlife;
+using OpenSim.Framework.Data;
 using OpenSim.Framework.Communications.Caches;
-using InventoryFolder = OpenSim.Framework.Communications.Caches.InventoryFolder;
 
 namespace OpenSim.Framework.Communications
 {
-    public delegate void InventoryFolderInfo(LLUUID userID, InventoryFolder folderInfo);
+    public delegate void InventoryFolderInfo(LLUUID userID, InventoryFolderBase folderInfo);
     public delegate void InventoryItemInfo(LLUUID userID, InventoryItemBase itemInfo);
 
     public interface IInventoryServices
     {
         void RequestInventoryForUser(LLUUID userID, InventoryFolderInfo folderCallBack, InventoryItemInfo itemCallBack);
-        void AddNewInventoryFolder(LLUUID userID, InventoryFolder folder);
+        void AddNewInventoryFolder(LLUUID userID, InventoryFolderBase folder);
         void AddNewInventoryItem(LLUUID userID, InventoryItemBase item);
         void DeleteInventoryItem(LLUUID userID, InventoryItemBase item);
-        void CreateNewUserInventory(LLUUID user);
+        void CreateNewUserInventory(LLUUID libraryRootId, LLUUID user);
+        void GetRootFoldersForUser(LLUUID user, out LLUUID libraryFolder, out LLUUID personalFolder);
 
         /// <summary>
         /// Returns the root folder plus any folders in root (so down one level in the Inventory folders tree)
         /// </summary>
         /// <param name="userID"></param>
         /// <returns></returns>
-        List<InventoryFolderBase> RequestFirstLevelFolders(LLUUID userID);
+        List<InventoryFolderBase> RequestFirstLevelFolders(LLUUID folderID);
+        List<InventoryItemBase> RequestFolderItems(LLUUID folderID);
     }
 }
diff --git a/OpenSim/Framework/Communications/InventoryServiceBase.cs b/OpenSim/Framework/Communications/InventoryServiceBase.cs
index da7a0ce..6283b60 100644
--- a/OpenSim/Framework/Communications/InventoryServiceBase.cs
+++ b/OpenSim/Framework/Communications/InventoryServiceBase.cs
@@ -1,4 +1,9 @@
 using System;
+using System.Text;
+using System.IO;
+using System.Xml;
+using System.Xml.Serialization;
+using System.Collections;
 using System.Collections.Generic;
 using System.Reflection;
 using libsecondlife;
@@ -6,21 +11,20 @@ using OpenSim.Framework.Communications;
 using OpenSim.Framework.Console;
 using OpenSim.Framework.Data;
 using InventoryFolder=OpenSim.Framework.Communications.Caches.InventoryFolder;
+using InventoryCategory = OpenSim.Framework.Data.InventoryCategory;
 
 namespace OpenSim.Framework.Communications
 {
-    public abstract class InventoryServiceBase : IInventoryServices
+    public abstract class InventoryServiceBase : MarshalByRefObject, IInventoryServices
     {
-        protected Dictionary<string, IInventoryData> m_plugins = new Dictionary<string, IInventoryData>();
-        //protected IAssetServer m_assetServer;
+        protected IInventoryData _databasePlugin;
 
         public InventoryServiceBase()
         {
-            //m_assetServer = assetServer;
         }
 
         /// <summary>
-        /// Adds a new user server plugin - plugins will be requested in the order they were loaded.
+        /// Adds a new inventory data server plugin 
         /// </summary>
         /// <param name="FileName">The filename to the user server plugin DLL</param>
         public void AddPlugin(string FileName)
@@ -41,8 +45,13 @@ namespace OpenSim.Framework.Communications
                             IInventoryData plug =
                                 (IInventoryData)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
                             plug.Initialise();
-                            this.m_plugins.Add(plug.getName(), plug);
+                            this._databasePlugin = plug;
+
+                            //TODO! find a better place to create inventory skeletons
+                            loadInventoryFromXmlFile(InventoryCategory.Library, "Inventory_Library.xml");
+                            loadInventoryFromXmlFile(InventoryCategory.Default, "Inventory_Default.xml");
                             MainLog.Instance.Verbose("Inventorystorage: Added IInventoryData Interface");
+                            break;
                         }
                     }
                 }
@@ -54,20 +63,20 @@ namespace OpenSim.Framework.Communications
         /// </summary>
         /// <param name="userID"></param>
         /// <returns></returns>
-        public List<InventoryFolderBase> RequestFirstLevelFolders(LLUUID userID)
+        public List<InventoryFolderBase> RequestFirstLevelFolders(LLUUID folderID)
         {
-            List<InventoryFolderBase> inventoryList = new List<InventoryFolderBase>();
-            foreach (KeyValuePair<string, IInventoryData> plugin in m_plugins)
+            InventoryFolderBase root = _databasePlugin.getInventoryFolder(folderID);
+
+            List<InventoryFolderBase> folders = new List<InventoryFolderBase>();
+            if (root != null)
             {
-                InventoryFolderBase rootFolder = plugin.Value.getUserRootFolder(userID);
-                if (rootFolder != null)
-                {
-                    inventoryList = plugin.Value.getInventoryFolders(rootFolder.folderID);
-                    inventoryList.Insert(0, rootFolder);
-                    return inventoryList;
-                }
+                folders.Add(root);
+
+                List<InventoryFolderBase> subFolders = _databasePlugin.getInventoryFolders(root.folderID);
+                foreach (InventoryFolderBase f in subFolders)
+                    folders.Add(f);
             }
-            return inventoryList;
+            return folders;
         }
 
         /// <summary>
@@ -75,11 +84,7 @@ namespace OpenSim.Framework.Communications
         /// </summary>
         public InventoryFolderBase RequestUsersRoot(LLUUID userID)
         {
-            foreach (KeyValuePair<string, IInventoryData> plugin in m_plugins)
-            {
-                return plugin.Value.getUserRootFolder(userID);
-            }
-            return null;
+            return _databasePlugin.getInventoryFolder(userID);      // the id of the root folder, is the user id
         }
 
         /// <summary>
@@ -89,47 +94,27 @@ namespace OpenSim.Framework.Communications
         /// <returns></returns>
         public List<InventoryFolderBase> RequestSubFolders(LLUUID parentFolderID)
         {
-            List<InventoryFolderBase> inventoryList = new List<InventoryFolderBase>();
-            foreach (KeyValuePair<string, IInventoryData> plugin in m_plugins)
-            {
-                return plugin.Value.getInventoryFolders(parentFolderID);
-            }
-            return inventoryList;
+            return _databasePlugin.getInventoryFolders(parentFolderID);
         }
 
         public List<InventoryItemBase> RequestFolderItems(LLUUID folderID)
         {
-            List<InventoryItemBase> itemsList = new List<InventoryItemBase>();
-            foreach (KeyValuePair<string, IInventoryData> plugin in m_plugins)
-            {
-                itemsList = plugin.Value.getInventoryInFolder(folderID);
-                return itemsList;
-            }
-            return itemsList;
+            return _databasePlugin.getInventoryInFolder(folderID);
         }
 
         public void AddFolder(InventoryFolderBase folder)
         {
-            foreach (KeyValuePair<string, IInventoryData> plugin in m_plugins)
-            {
-                plugin.Value.addInventoryFolder(folder);
-            }
+            _databasePlugin.addInventoryFolder(folder);
         }
 
         public void AddItem(InventoryItemBase item)
         {
-            foreach (KeyValuePair<string, IInventoryData> plugin in m_plugins)
-            {
-                plugin.Value.addInventoryItem(item);
-            }
+            _databasePlugin.addInventoryItem(item);
         }
 
         public void deleteItem(InventoryItemBase item)
         {
-            foreach (KeyValuePair<string, IInventoryData> plugin in m_plugins)
-            {
-                plugin.Value.deleteInventoryItem(item);
-            }
+            _databasePlugin.deleteInventoryItem(item);
         }
 
         /// <summary>
@@ -144,11 +129,53 @@ namespace OpenSim.Framework.Communications
             }
         }
 
-        public void CreateNewUserInventory(LLUUID user)
+        public void CreateNewUserInventory(LLUUID defaultFolders, LLUUID user)
         {
-            UsersInventory inven = new UsersInventory();
-            inven.CreateNewInventorySet(user);
-            this.AddNewInventorySet(inven);
+            try
+            {
+                // Get Default folder set from the database
+                //TODO! We need to get the whole hierachy and not just one level down
+                List<InventoryFolderBase> folders = this.RequestFirstLevelFolders(LLUUID.Parse("00000112-000f-0000-0000-000100bba000"));
+
+                // create an index list, where each of the elements has the index of its parent in the hierachy
+                // this algorithm is pretty shoddy O(n^2), but it is only executed once per user.
+                int[] parentIdx = new int[folders.Count];
+                for (int i = 0; i < folders.Count; i++)
+                    parentIdx[i] = -1;
+
+                for (int i = 0; i < folders.Count; i++)
+                    for (int j = 0; j < folders.Count; j++)
+                        if (folders[i].folderID == folders[j].parentID)
+                            parentIdx[j] = i;
+
+
+                //assign a new owerid and a new to the folders
+                foreach (InventoryFolderBase ifb in folders)
+                {
+                    if (ifb.parentID == LLUUID.Zero)
+                        ifb.folderID = user;
+                    else
+                        ifb.folderID = LLUUID.Random();
+
+                    ifb.agentID = user;
+                    ifb.category = InventoryCategory.User;
+                }
+
+                // correct the parent id
+                for (int i = 0; i < folders.Count; i++)
+                {
+                    if (folders[i].parentID != LLUUID.Zero)
+                        folders[i].parentID = folders[parentIdx[i]].folderID;     // root folder id is the same as the user id
+                }
+
+                // the list is structurally sound, using new folder id's, so save it
+                foreach (InventoryFolderBase ifb in folders)
+                    _databasePlugin.addInventoryFolder(ifb);
+            }
+            catch (Exception e)
+            {
+                MainLog.Instance.Error(e.ToString());
+            }
         }
 
         public class UsersInventory
@@ -166,10 +193,11 @@ namespace OpenSim.Framework.Communications
                 InventoryFolderBase folder = new InventoryFolderBase();
                 folder.parentID = LLUUID.Zero;
                 folder.agentID = user;
-                folder.folderID = LLUUID.Random();
+                folder.folderID = user;             // id of root folder is the same as the agent id
                 folder.name = "My Inventory";
                 folder.type = 8;
                 folder.version = 1;
+                folder.category = InventoryCategory.User;
                 Folders.Add(folder.folderID, folder);
 
                 LLUUID rootFolder = folder.folderID;
@@ -181,6 +209,7 @@ namespace OpenSim.Framework.Communications
                 folder.name = "Textures";
                 folder.type = 0;
                 folder.version = 1;
+                folder.category = InventoryCategory.User;
                 Folders.Add(folder.folderID, folder);
 
                 folder = new InventoryFolderBase();
@@ -190,6 +219,7 @@ namespace OpenSim.Framework.Communications
                 folder.name = "Objects";
                 folder.type = 6;
                 folder.version = 1;
+                folder.category = InventoryCategory.User;
                 Folders.Add(folder.folderID, folder);
 
                 folder = new InventoryFolderBase();
@@ -199,13 +229,130 @@ namespace OpenSim.Framework.Communications
                 folder.name = "Clothes";
                 folder.type = 5;
                 folder.version = 1;
+                folder.category = InventoryCategory.User;
                 Folders.Add(folder.folderID, folder);
             }
         }
 
+
+        public void GetRootFoldersForUser(LLUUID user, out LLUUID libraryFolder, out LLUUID personalFolder)
+        {
+            List<InventoryFolderBase> folders = _databasePlugin.getUserRootFolders(user);
+            libraryFolder = LLUUID.Zero;
+            personalFolder = LLUUID.Zero;
+
+            for (int i = 0; i < folders.Count; i++)
+            {
+                if (folders[i].category == InventoryCategory.Library)
+                    libraryFolder = folders[i].folderID;
+                else if (folders[i].category == InventoryCategory.User)
+                    personalFolder = folders[i].folderID;
+            }
+        }
+
+        /* 
+         * Dot net has some issues, serializing a dictionary, so we cannot reuse the InventoryFolder
+         * class defined in Communications.Framework.Communications.Caches. So we serialize/deserialize
+         * into this simpler class, and then use that.
+         */
+        [XmlRoot(ElementName = "inventory", IsNullable = true)]
+        public class SerializedInventory
+        {
+            [XmlRoot(ElementName = "folder", IsNullable = true)]
+            public class SerializedFolder : InventoryFolderBase
+            {
+                [XmlArray(ElementName = "folders", IsNullable = true)]
+                [XmlArrayItem(ElementName = "folder", IsNullable = true, Type = typeof(SerializedFolder))]
+                public ArrayList SubFolders;
+
+                [XmlArray(ElementName = "items", IsNullable = true)]
+                [XmlArrayItem(ElementName = "item", IsNullable = true, Type = typeof(InventoryItemBase))]
+                public ArrayList Items;
+            }
+
+            [XmlElement(ElementName = "folder", IsNullable = true)]
+            public SerializedFolder root;
+        }
+
+        public void uploadInventory(SerializedInventory.SerializedFolder folder)
+        {
+            foreach (InventoryItemBase iib in folder.Items)
+            {
+                // assign default values, if they haven't assigned
+                iib.avatarID = folder.agentID;
+                if (iib.assetID == LLUUID.Zero)
+                    iib.assetID = LLUUID.Random();
+                if (iib.creatorsID == LLUUID.Zero)
+                    iib.creatorsID = folder.agentID;
+                if (iib.inventoryID == LLUUID.Zero)
+                    iib.inventoryID = LLUUID.Random();
+                if (iib.inventoryName == null || iib.inventoryName.Length == 0)
+                    iib.inventoryName = "new item";
+                iib.parentFolderID = folder.folderID;
+
+                _databasePlugin.addInventoryItem(iib);
+            }
+
+            foreach (SerializedInventory.SerializedFolder sf in folder.SubFolders)
+            {
+                // assign default values, if they haven't assigned
+                sf.agentID = folder.agentID;
+                sf.category = folder.category;
+                if (sf.folderID == LLUUID.Zero)
+                    sf.folderID = LLUUID.Random();
+                if (sf.name == null || sf.name.Length == 0)
+                    sf.name = "new folder";
+                sf.parentID = folder.folderID;
+
+                _databasePlugin.addInventoryFolder(sf);
+                uploadInventory(sf);
+            }
+        }
+
+        public void loadInventoryFromXmlFile(InventoryCategory inventoryCategory, string fileName)
+        {
+            _databasePlugin.deleteInventoryCategory(inventoryCategory);
+
+            FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
+            XmlReader reader = new XmlTextReader(fs);
+            XmlSerializer x = new XmlSerializer(typeof(SerializedInventory));
+            SerializedInventory inventory = (SerializedInventory)x.Deserialize(reader);
+
+            // the library and default inventories has no owner, so we use a random  guid.
+            if (inventory.root.category == InventoryCategory.Library || inventory.root.category == InventoryCategory.Default)
+            {
+                if (inventory.root.folderID != LLUUID.Zero)
+                    inventory.root.agentID = inventory.root.folderID;
+                else
+                    inventory.root.agentID = LLUUID.Random();
+            }
+            else if (inventory.root.category == InventoryCategory.User)
+            {
+                if (inventory.root.agentID == LLUUID.Zero)
+                    inventory.root.agentID = LLUUID.Random();
+            }
+
+            inventory.root.folderID = inventory.root.agentID;       // the root folder always has the same id as the owning agent
+            inventory.root.parentID = LLUUID.Zero;
+            inventory.root.version = 0;
+            inventory.root.category = inventoryCategory;
+
+            _databasePlugin.addInventoryFolder(inventory.root);
+            uploadInventory(inventory.root);
+        }
+
+        protected void saveInventoryToXmlFile(SerializedInventory inventory, string fileName)
+        {
+            FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write);
+            XmlTextWriter writer = new XmlTextWriter(fs, Encoding.UTF8);
+            writer.Formatting = Formatting.Indented;
+            XmlSerializer x = new XmlSerializer(typeof(SerializedInventory));
+            x.Serialize(writer, inventory);
+        }
+
         public abstract void RequestInventoryForUser(LLUUID userID, InventoryFolderInfo folderCallBack, InventoryItemInfo itemCallBack);
-        public abstract void AddNewInventoryFolder(LLUUID userID, InventoryFolder folder);
+        public abstract void AddNewInventoryFolder(LLUUID userID, InventoryFolderBase folder);
         public abstract void AddNewInventoryItem(LLUUID userID, InventoryItemBase item);
         public abstract void DeleteInventoryItem(LLUUID userID, InventoryItemBase item);
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Framework/Communications/LoginResponse.cs b/OpenSim/Framework/Communications/LoginResponse.cs
index b5a4184..b4280e7 100644
--- a/OpenSim/Framework/Communications/LoginResponse.cs
+++ b/OpenSim/Framework/Communications/LoginResponse.cs
@@ -26,9 +26,10 @@ namespace OpenSim.Framework.UserManagement
         private ArrayList classifiedCategories;
         private ArrayList inventoryRoot;
         private ArrayList initialOutfit;
-        private ArrayList agentInventory;
+        private ArrayList inventorySkeleton;
         private ArrayList inventoryLibraryOwner;
-        private ArrayList inventoryLibrary;
+        private ArrayList inventoryLibraryRoot;
+        private ArrayList inventoryLibrarySkeleton;
 
         private UserInfo userProfile;
 
@@ -86,11 +87,13 @@ namespace OpenSim.Framework.UserManagement
 
             this.defaultXmlRpcResponse = new XmlRpcResponse();
             this.userProfile = new UserInfo();
-            this.inventoryRoot = new ArrayList();
+
             this.initialOutfit = new ArrayList();
-            this.agentInventory = new ArrayList();
-            this.inventoryLibrary = new ArrayList();
+            this.inventoryRoot = new ArrayList();
+            this.inventorySkeleton = new ArrayList();
+            this.inventoryLibrarySkeleton = new ArrayList();
             this.inventoryLibraryOwner = new ArrayList();
+            this.inventoryLibraryRoot = new ArrayList();
 
             this.xmlRpcResponse = new XmlRpcResponse();
             this.defaultXmlRpcResponse = new XmlRpcResponse();
@@ -237,12 +240,15 @@ namespace OpenSim.Framework.UserManagement
                 responseData["classified_categories"] = this.classifiedCategories;
                 responseData["ui-config"] = this.uiConfig;
 
-                responseData["inventory-skeleton"] = this.agentInventory;
-                responseData["inventory-skel-lib"] = this.inventoryLibrary;
+                responseData["inventory-skeleton"] = this.inventorySkeleton;
+                responseData["inventory-skel-lib"] = this.inventoryLibrarySkeleton;
                 responseData["inventory-root"] = this.inventoryRoot;
-                responseData["gestures"] = new ArrayList(); // todo
                 responseData["inventory-lib-owner"] = this.inventoryLibraryOwner;
+                responseData["inventory-lib-root"] = this.inventoryLibraryRoot;
+
+                responseData["gestures"] = new ArrayList(); // todo
                 responseData["initial-outfit"] = this.initialOutfit;
+
                 responseData["start_location"] = this.startLocation;
                 responseData["seed_capability"] = this.seedCapability;
                 responseData["home"] = this.home;
@@ -596,23 +602,23 @@ namespace OpenSim.Framework.UserManagement
         {
             get
             {
-                return this.agentInventory;
+                return this.inventorySkeleton;
             }
             set
             {
-                this.agentInventory = value;
+                this.inventorySkeleton = value;
             }
         }
 
-        public ArrayList InventoryLibrary
+        public ArrayList InventoryLibrarySkeleton
         {
             get
             {
-                return this.inventoryLibrary;
+                return this.inventoryLibrarySkeleton;
             }
             set
             {
-                this.inventoryLibrary = value;
+                this.inventoryLibrarySkeleton = value;
             }
         }
 
@@ -628,6 +634,18 @@ namespace OpenSim.Framework.UserManagement
             }
         }
 
+        public ArrayList InventoryLibraryRoot
+        {
+            get
+            {
+                return this.inventoryLibraryRoot;
+            }
+            set
+            {
+                this.inventoryLibraryRoot = value;
+            }
+        }
+
         public string Home
         {
             get
@@ -665,3 +683,7 @@ namespace OpenSim.Framework.UserManagement
     }
 }
 
+
+
+
+
diff --git a/OpenSim/Framework/Communications/LoginService.cs b/OpenSim/Framework/Communications/LoginService.cs
index 8e7cf80..64e323d 100644
--- a/OpenSim/Framework/Communications/LoginService.cs
+++ b/OpenSim/Framework/Communications/LoginService.cs
@@ -8,11 +8,10 @@ using Nwc.XmlRpc;
 using OpenSim.Framework.Console;
 using OpenSim.Framework.Data;
 using OpenSim.Framework.Interfaces;
-using OpenSim.Framework.Inventory;
 using OpenSim.Framework.Utilities;
-
+using OpenSim.Framework.Communications;
 using OpenSim.Framework.Configuration;
-using InventoryFolder = OpenSim.Framework.Inventory.InventoryFolder;
+
 
 namespace OpenSim.Framework.UserManagement
 {
@@ -20,10 +19,12 @@ namespace OpenSim.Framework.UserManagement
     {
         protected string m_welcomeMessage = "Welcome to OpenSim";
         protected UserManagerBase m_userManager = null;
+        protected IInventoryServices m_inventoryServer = null;
 
-        public LoginService(UserManagerBase userManager, string welcomeMess)
+        public LoginService(UserManagerBase userManager, IInventoryServices inventoryServer, string welcomeMess)
         {
             m_userManager = userManager;
+            m_inventoryServer = inventoryServer;
             if (welcomeMess != "")
             {
                 m_welcomeMessage = welcomeMess;
@@ -37,7 +38,6 @@ namespace OpenSim.Framework.UserManagement
         /// <returns>The response to send</returns>
         public XmlRpcResponse XmlRpcLoginMethod(XmlRpcRequest request)
         {
-
             System.Console.WriteLine("Attempting login now...");
             XmlRpcResponse response = new XmlRpcResponse();
             Hashtable requestData = (Hashtable)request.Params[0];
@@ -85,15 +85,41 @@ namespace OpenSim.Framework.UserManagement
                 {
                     LLUUID agentID = userProfile.UUID;
 
-                    // Inventory Library Section
-                    InventoryData inventData = this.CreateInventoryData(agentID);
-                    ArrayList AgentInventoryArray = inventData.InventoryArray;
+                    LLUUID libraryFolderID;
+                    LLUUID personalFolderID;
+
+                    m_inventoryServer.GetRootFoldersForUser(agentID, out libraryFolderID, out personalFolderID);
+                    if (personalFolderID == LLUUID.Zero)
+                    {
+                        m_inventoryServer.CreateNewUserInventory(libraryFolderID, agentID);
+                        m_inventoryServer.GetRootFoldersForUser(agentID, out libraryFolderID, out personalFolderID);
+                    }
+
+                    // The option "inventory-lib-owner" requires that we return the id of the 
+                    // owner of the library inventory.
+                    Hashtable dynamicStruct = new Hashtable();
+                    dynamicStruct["agent_id"] = libraryFolderID.ToStringHyphenated();
+                    logResponse.InventoryLibraryOwner.Add(dynamicStruct);
+
+                    // The option "inventory-lib-root" requires that we return the id of the 
+                    // root folder of the library inventory.
+                    dynamicStruct = new Hashtable();
+                    dynamicStruct["folder_id"] = libraryFolderID.ToStringHyphenated();
+                    logResponse.InventoryLibraryRoot.Add(dynamicStruct);
 
-                    Hashtable InventoryRootHash = new Hashtable();
-                    InventoryRootHash["folder_id"] = inventData.RootFolderID.ToStringHyphenated();
-                    ArrayList InventoryRoot = new ArrayList();
-                    InventoryRoot.Add(InventoryRootHash);
-                    userProfile.rootInventoryFolderID = inventData.RootFolderID;
+                    // The option "inventory-root" requires that we return the id of the 
+                    // root folder of the users inventory.
+                    dynamicStruct = new Hashtable();
+                    dynamicStruct["folder_id"] = personalFolderID.ToStringHyphenated();
+                    logResponse.InventoryRoot.Add(dynamicStruct);
+
+                    // The option "inventory-skeleton" requires that we return the structure of the
+                    // users folder hierachy
+                    logResponse.InventorySkeleton = GetInventorySkeleton(personalFolderID);
+
+                    // The option "inventory-skel-lib" requires that we return the structure of the
+                    // library folder hierachy
+                    logResponse.InventoryLibrarySkeleton = GetInventorySkeleton(libraryFolderID);
 
                     // Circuit Code
                     uint circode = (uint)(Util.RandomClass.Next());
@@ -103,10 +129,6 @@ namespace OpenSim.Framework.UserManagement
                     logResponse.AgentID = agentID.ToStringHyphenated();
                     logResponse.SessionID = userProfile.currentAgent.sessionID.ToStringHyphenated();
                     logResponse.SecureSessionID = userProfile.currentAgent.secureSessionID.ToStringHyphenated();
-                    logResponse.InventoryRoot = InventoryRoot;
-                    logResponse.InventorySkeleton = AgentInventoryArray;
-                    logResponse.InventoryLibrary = this.GetInventoryLibrary();
-                    logResponse.InventoryLibraryOwner = this.GetLibraryOwner();
                     logResponse.CircuitCode = (Int32)circode;
                     //logResponse.RegionX = 0; //overwritten
                     //logResponse.RegionY = 0; //overwritten
@@ -212,76 +234,30 @@ namespace OpenSim.Framework.UserManagement
         }
 
         /// <summary>
-        /// 
-        /// </summary>
-        /// <returns></returns>
-        protected virtual ArrayList GetInventoryLibrary()
-        {
-            //return new ArrayList();
-            Hashtable TempHash = new Hashtable();
-            TempHash["name"] = "OpenSim Library";
-            TempHash["parent_id"] = LLUUID.Zero.ToStringHyphenated();
-            TempHash["version"] = 1;
-            TempHash["type_default"] = -1;
-            TempHash["folder_id"] = "00000112-000f-0000-0000-000100bba000";
-            ArrayList temp = new ArrayList();
-            temp.Add(TempHash);
-
-            TempHash = new Hashtable();
-            TempHash["name"] = "Texture Library";
-            TempHash["parent_id"] = "00000112-000f-0000-0000-000100bba000";
-            TempHash["version"] = 1;
-            TempHash["type_default"] = -1;
-            TempHash["folder_id"] = "00000112-000f-0000-0000-000100bba001";
-            temp.Add(TempHash);
-            return temp;
-        }
-
-        /// <summary>
-        /// 
+        /// Create a structure of the generic inventory structure of a specified folder
         /// </summary>
         /// <returns></returns>
-        protected virtual ArrayList GetLibraryOwner()
+        protected virtual ArrayList GetInventorySkeleton(LLUUID folderID)
         {
-            //for now create random inventory library owner
-            Hashtable TempHash = new Hashtable();
-            TempHash["agent_id"] = "11111111-1111-0000-0000-000100bba000";
-            ArrayList inventoryLibOwner = new ArrayList();
-            inventoryLibOwner.Add(TempHash);
-            return inventoryLibOwner;
-        }
 
-        protected virtual InventoryData CreateInventoryData(LLUUID userID)
-        {
-            AgentInventory userInventory = new AgentInventory();
-            userInventory.CreateRootFolder(userID, false);
+            List<InventoryFolderBase> folders = m_inventoryServer.RequestFirstLevelFolders(folderID);
 
-            ArrayList AgentInventoryArray = new ArrayList();
-            Hashtable TempHash;
-            foreach (InventoryFolder InvFolder in userInventory.InventoryFolders.Values)
+            ArrayList temp = new ArrayList();
+            foreach (InventoryFolderBase ifb in folders)
             {
-                TempHash = new Hashtable();
-                TempHash["name"] = InvFolder.FolderName;
-                TempHash["parent_id"] = InvFolder.ParentID.ToStringHyphenated();
-                TempHash["version"] = (Int32)InvFolder.Version;
-                TempHash["type_default"] = (Int32)InvFolder.DefaultType;
-                TempHash["folder_id"] = InvFolder.FolderID.ToStringHyphenated();
-                AgentInventoryArray.Add(TempHash);
+                LLUUID tempFolderID = ifb.folderID;
+                LLUUID tempParentID = ifb.parentID;
+
+                Hashtable TempHash = new Hashtable();
+                TempHash["folder_id"] = tempFolderID.ToStringHyphenated();
+                TempHash["name"] = ifb.name;
+                TempHash["parent_id"] = tempParentID.ToStringHyphenated();
+                TempHash["type_default"] = ifb.type;
+                TempHash["version"] = ifb.version+1;
+                temp.Add(TempHash);
             }
 
-            return new InventoryData(AgentInventoryArray, userInventory.InventoryRoot.FolderID);
-        }
-
-        public class InventoryData
-        {
-            public ArrayList InventoryArray = null;
-            public LLUUID RootFolderID = LLUUID.Zero;
-
-            public InventoryData(ArrayList invList, LLUUID rootID)
-            {
-                InventoryArray = invList;
-                RootFolderID = rootID;
-            }
+            return temp;
         }
     }
 }
diff --git a/OpenSim/Framework/Data.MySQL/MySQLInventoryData.cs b/OpenSim/Framework/Data.MySQL/MySQLInventoryData.cs
index 5009d9e..8a7e869 100644
--- a/OpenSim/Framework/Data.MySQL/MySQLInventoryData.cs
+++ b/OpenSim/Framework/Data.MySQL/MySQLInventoryData.cs
@@ -132,7 +132,7 @@ namespace OpenSim.Framework.Data.MySQL
                     param["?uuid"] = user.ToStringHyphenated();
                     param["?zero"] = LLUUID.Zero.ToStringHyphenated();
 
-                    IDbCommand result = database.Query("SELECT * FROM inventoryfolders WHERE parentFolderID = ?zero AND agentID = ?uuid", param);
+                    IDbCommand result = database.Query("SELECT * FROM inventoryfolders WHERE parentFolderID = ?zero AND (agentID = ?uuid OR category = 0)", param);
                     IDataReader reader = result.ExecuteReader();
 
                     List<InventoryFolderBase> items = database.readInventoryFolders(reader);
@@ -152,40 +152,6 @@ namespace OpenSim.Framework.Data.MySQL
         }
 
         /// <summary>
-        /// Returns the users inventory root folder.
-        /// </summary>
-        /// <param name="user"></param>
-        /// <returns></returns>
-        public InventoryFolderBase getUserRootFolder(LLUUID user)
-        {
-            try
-            {
-                lock (database)
-                {
-                    Dictionary<string, string> param = new Dictionary<string, string>();
-                    param["?uuid"] = user.ToStringHyphenated();
-                    param["?zero"] = LLUUID.Zero.ToStringHyphenated();
-
-                    IDbCommand result = database.Query("SELECT * FROM inventoryfolders WHERE parentFolderID = ?zero AND agentID = ?uuid", param);
-                    IDataReader reader = result.ExecuteReader();
-
-                    List<InventoryFolderBase> items = database.readInventoryFolders(reader);
-                    InventoryFolderBase rootFolder = items[0]; //should only be one folder with parent set to zero (the root one).
-                    reader.Close();
-                    result.Dispose();
-
-                    return rootFolder;
-                }
-            }
-            catch (Exception e)
-            {
-                database.Reconnect();
-                Console.WriteLine(e.ToString());
-                return null;
-            }
-        }
-
-        /// <summary>
         /// Returns a list of folders in a users inventory contained within the specified folder
         /// </summary>
         /// <param name="parentID">The folder to search</param>
@@ -348,5 +314,27 @@ namespace OpenSim.Framework.Data.MySQL
         {
             addInventoryFolder(folder);
         }
+
+        public void deleteInventoryCategory(InventoryCategory inventoryCategory)
+        {
+            try
+            {
+                lock (database) {
+                    IDbCommand cmd = database.Query(string.Format("DELETE FROM inventoryitems WHERE parentFolderID IN (SELECT folderId FROM inventoryfolders WHERE category={0})", (byte)inventoryCategory), null);
+                    cmd.ExecuteNonQuery();
+
+
+                    cmd = database.Query(string.Format("DELETE FROM inventoryfolders WHERE category={0}", (byte)inventoryCategory), null);
+                    cmd.ExecuteNonQuery();
+                }
+
+            }
+            catch (Exception e)
+            {
+                database.Reconnect();
+                Console.WriteLine(e.ToString());
+            }
+        }
+
     }
 }
diff --git a/OpenSim/Framework/Data.MySQL/MySQLManager.cs b/OpenSim/Framework/Data.MySQL/MySQLManager.cs
index 5037f98..e55606e 100644
--- a/OpenSim/Framework/Data.MySQL/MySQLManager.cs
+++ b/OpenSim/Framework/Data.MySQL/MySQLManager.cs
@@ -41,7 +41,7 @@ namespace OpenSim.Framework.Data.MySQL
         /// <summary>
         /// The database connection object
         /// </summary>
-        IDbConnection dbcon;
+        MySqlConnection dbcon;
         /// <summary>
         /// Connection string for ADO.net
         /// </summary>
@@ -115,10 +115,11 @@ namespace OpenSim.Framework.Data.MySQL
             {
                 MySqlCommand dbcommand = (MySqlCommand)dbcon.CreateCommand();
                 dbcommand.CommandText = sql;
-                foreach (KeyValuePair<string, string> param in parameters)
-                {
-                    dbcommand.Parameters.Add(param.Key, param.Value);
-                }
+                if(parameters != null)
+                    foreach (KeyValuePair<string, string> param in parameters)
+                    {
+                        dbcommand.Parameters.Add(param.Key, param.Value);
+                    }
 
                 return (IDbCommand)dbcommand;
             }
@@ -149,10 +150,11 @@ namespace OpenSim.Framework.Data.MySQL
                     {
                         MySqlCommand dbcommand = (MySqlCommand)dbcon.CreateCommand();
                         dbcommand.CommandText = sql;
-                        foreach (KeyValuePair<string, string> param in parameters)
-                        {
-                            dbcommand.Parameters.Add(param.Key, param.Value);
-                        }
+                        if(parameters != null) 
+                            foreach (KeyValuePair<string, string> param in parameters)
+                            {
+                                dbcommand.Parameters.Add(param.Key, param.Value);
+                            }
 
                         return (IDbCommand)dbcommand;
                     }
@@ -370,6 +372,8 @@ namespace OpenSim.Framework.Data.MySQL
                     folder.parentID = new LLUUID((string)reader["parentFolderID"]);
                     folder.folderID = new LLUUID((string)reader["folderID"]);
                     folder.name = (string)reader["folderName"];
+                    folder.category = (InventoryCategory)((Int16)reader["category"]);
+                    folder.type = (Int16)reader["folderType"];
 
                     rows.Add(folder);
                 }
@@ -509,24 +513,32 @@ namespace OpenSim.Framework.Data.MySQL
         /// <returns>Success?</returns>
         public bool insertFolder(InventoryFolderBase folder)
         {
-            string sql = "REPLACE INTO inventoryfolders (folderID, agentID, parentFolderID, folderName) VALUES ";
-            sql += "(?folderID, ?agentID, ?parentFolderID, ?folderName)";
-
-            Dictionary<string, string> parameters = new Dictionary<string, string>();
-            parameters["?folderID"] = folder.folderID.ToStringHyphenated();
-            parameters["?agentID"] = folder.agentID.ToStringHyphenated();
-            parameters["?parentFolderID"] = folder.parentID.ToStringHyphenated();
-            parameters["?folderName"] = folder.name;
-
+            string sql = "REPLACE INTO inventoryfolders (folderID, agentID, parentFolderID, folderName, category, folderType) VALUES ";
+            sql += "(?folderID, ?agentID, ?parentFolderID, ?folderName, ?category, ?folderType)";
+
+            MySqlCommand dbcmd = dbcon.CreateCommand();
+            dbcmd.CommandText = sql;
+
+            LLUUID tmpID = folder.folderID;
+            dbcmd.Parameters.Add(new MySqlParameter("?folderID", tmpID.ToStringHyphenated()));
+            dbcmd.Parameters.Add(new MySqlParameter("?folderID", tmpID.ToStringHyphenated()));
+            tmpID = folder.agentID;
+            dbcmd.Parameters.Add(new MySqlParameter("?agentID", tmpID.ToStringHyphenated()));
+            tmpID = folder.parentID;
+            dbcmd.Parameters.Add(new MySqlParameter("?parentFolderID", tmpID.ToStringHyphenated()));
+            dbcmd.Parameters.Add(new MySqlParameter("?folderName", folder.name));
+            MySqlParameter p = dbcmd.Parameters.Add(new MySqlParameter("?category", MySqlDbType.Byte));
+            p.Value = (byte)folder.category;
+
+            p = dbcmd.Parameters.Add(new MySqlParameter("?folderType", MySqlDbType.Byte));
+            p.Value = (byte)folder.type;
+
+            
             bool returnval = false;
             try
             {
-                IDbCommand result = Query(sql, parameters);
-
-                if (result.ExecuteNonQuery() == 1)
+                if (dbcmd.ExecuteNonQuery() == 1)
                     returnval = true;
-
-                result.Dispose();
             }
             catch (Exception e)
             {
diff --git a/OpenSim/Framework/Data.SQLite/SQLiteInventoryStore.cs b/OpenSim/Framework/Data.SQLite/SQLiteInventoryStore.cs
index d3d752f..cac992c 100644
--- a/OpenSim/Framework/Data.SQLite/SQLiteInventoryStore.cs
+++ b/OpenSim/Framework/Data.SQLite/SQLiteInventoryStore.cs
@@ -61,6 +61,7 @@ namespace OpenSim.Framework.Data.SQLite
             MainLog.Instance.Verbose("DATASTORE", "Populated Intentory Items Definitions");
 
             ds.AcceptChanges();
+
             return;
         }
 
@@ -195,43 +196,16 @@ namespace OpenSim.Framework.Data.SQLite
         /// <returns>A list of folder objects</returns>
         public List<InventoryFolderBase> getUserRootFolders(LLUUID user)
         {
-            return null;
-        }
-
-        /// <summary>
-        /// Returns the users inventory root folder.
-        /// </summary>
-        /// <param name="user">The UUID of the user who is having inventory being returned</param>
-        /// <returns>Root inventory folder</returns>
-        public InventoryFolderBase getUserRootFolder(LLUUID user)
-        {
             List<InventoryFolderBase> folders = new List<InventoryFolderBase>();
             DataTable inventoryFolderTable = ds.Tables["inventoryfolders"];
-            string selectExp = "agentID = '" + user.ToString() + "' AND parentID = '" + LLUUID.Zero.ToString() + "'";
+
+            string selectExp = "parentID = '" + LLUUID.Zero.ToString() + "' AND (agentID = '" + user.ToString() + "' OR category = 0)";
             DataRow[] rows = inventoryFolderTable.Select(selectExp);
             foreach (DataRow row in rows)
             {
                 folders.Add(this.buildFolder(row));
             }
-
-            if (folders.Count == 1)
-            {
-                //we found the root
-                //System.Console.WriteLine("found root inventory folder");
-                return folders[0];
-            }
-            else if (folders.Count > 1)
-            {
-                //err shouldn't be more than one root
-                //System.Console.WriteLine("found more than one root inventory folder");
-            }
-            else if (folders.Count == 0)
-            {
-                // no root?
-                //System.Console.WriteLine("couldn't find root inventory folder");
-            }
-
-            return null;
+            return folders;
         }
 
         /// <summary>
@@ -270,7 +244,14 @@ namespace OpenSim.Framework.Data.SQLite
         /// <returns>A class containing folder information</returns>
         public InventoryFolderBase getInventoryFolder(LLUUID folder)
         {
-            return null;
+            DataTable inventoryFolderTable = ds.Tables["inventoryfolders"];
+            string selectExp = "UUID = '" + folder.ToString() + "'";
+            DataRow[] rows = inventoryFolderTable.Select(selectExp);
+
+            if (rows.Length == 1)
+                return this.buildFolder(rows[0]);
+            else
+                return null;
         }
 
         /// <summary>
@@ -308,6 +289,11 @@ namespace OpenSim.Framework.Data.SQLite
              this.invItemsDa.Update(ds, "inventoryitems");
         }
 
+        //TODO! Implement SQLite deleteInventoryCategory
+        public void deleteInventoryCategory(InventoryCategory inventoryCategory)
+        {
+        }
+
         /// <summary>
         /// Adds a new folder specified by folder
         /// </summary>
@@ -326,6 +312,11 @@ namespace OpenSim.Framework.Data.SQLite
             this.addFolder(folder);
         }
 
+        //TODO! implement CreateNewUserInventory
+        public void CreateNewUserInventory(LLUUID user)
+        {
+            throw new Exception("Function not implemented");
+        }
 
         /***********************************************************************
          *
@@ -350,6 +341,7 @@ namespace OpenSim.Framework.Data.SQLite
             createCol(inv, "parentFolderID", typeof(System.String));
             createCol(inv, "avatarID", typeof(System.String));
             createCol(inv, "creatorsID", typeof(System.String));
+            createCol(inv, "category", typeof(System.Byte));
 
             createCol(inv, "inventoryName", typeof(System.String));
             createCol(inv, "inventoryDescription", typeof(System.String));
@@ -373,6 +365,7 @@ namespace OpenSim.Framework.Data.SQLite
             createCol(fol, "parentID", typeof(System.String));
             createCol(fol, "type", typeof(System.Int32));
             createCol(fol, "version", typeof(System.Int32));
+            createCol(fol, "category", typeof(System.Byte));
             
             fol.PrimaryKey = new DataColumn[] { fol.Columns["UUID"] };
             return fol;
@@ -415,6 +408,7 @@ namespace OpenSim.Framework.Data.SQLite
             folder.parentID = new LLUUID((string)row["parentID"]);
             folder.type = Convert.ToInt16(row["type"]);
             folder.version = Convert.ToUInt16(row["version"]);
+            folder.category = (InventoryCategory)Convert.ToByte(row["category"]);
             return folder;
         }
 
@@ -426,6 +420,7 @@ namespace OpenSim.Framework.Data.SQLite
             row["parentID"] = folder.parentID;
             row["type"] = folder.type;
             row["version"] = folder.version;
+            row["category"] = folder.category;
         }
 
 
@@ -644,3 +639,7 @@ namespace OpenSim.Framework.Data.SQLite
     }
 }
 
+
+
+
+
diff --git a/OpenSim/Framework/Data/InventoryData.cs b/OpenSim/Framework/Data/InventoryData.cs
index 2df26e1..dc857d8 100644
--- a/OpenSim/Framework/Data/InventoryData.cs
+++ b/OpenSim/Framework/Data/InventoryData.cs
@@ -25,15 +25,19 @@
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 */
+using System;
+using System.Xml.Serialization;
 using System.Collections.Generic;
 using libsecondlife;
 
 namespace OpenSim.Framework.Data
 {
+
+    public enum InventoryCategory : byte { Library, Default, User };
     /// <summary>
     /// Inventory Item - contains all the properties associated with an individual inventory piece.
     /// </summary>
-    public class InventoryItemBase
+    public class InventoryItemBase : MarshalByRefObject
     {
         /// <summary>
         /// A UUID containing the ID for the inventory item itself
@@ -66,10 +70,12 @@ namespace OpenSim.Framework.Data
         /// <summary>
         /// The name of the inventory item (must be less than 64 characters)
         /// </summary>
+        [XmlElement(ElementName="name")]
         public string inventoryName;
         /// <summary>
         /// The description of the inventory item (must be less than 64 characters)
         /// </summary>
+        [XmlElement(ElementName = "description")]
         public string inventoryDescription;
         /// <summary>
         /// A mask containing the permissions for the next owner (cannot be enforced)
@@ -92,7 +98,7 @@ namespace OpenSim.Framework.Data
     /// <summary>
     /// A Class for folders which contain users inventory
     /// </summary>
-    public class InventoryFolderBase
+    public class InventoryFolderBase : MarshalByRefObject
     {
         /// <summary>
         /// The name of the folder (64 characters or less)
@@ -118,6 +124,10 @@ namespace OpenSim.Framework.Data
         /// 
         /// </summary>
         public ushort version;
+        /// <summary>
+        /// Inventory category, Library, Default, System
+        /// </summary>
+        public InventoryCategory category;
     }
 
     /// <summary>
@@ -162,13 +172,6 @@ namespace OpenSim.Framework.Data
         List<InventoryFolderBase> getUserRootFolders(LLUUID user);
 
         /// <summary>
-        /// Returns the users inventory root folder.
-        /// </summary>
-        /// <param name="user">The UUID of the user who is having inventory being returned</param>
-        /// <returns>Root inventory folder</returns>
-        InventoryFolderBase getUserRootFolder(LLUUID user);
-
-        /// <summary>
         /// Returns a list of inventory folders contained in the folder 'parentID'
         /// </summary>
         /// <param name="parentID">The folder to get subfolders for</param>
@@ -218,5 +221,17 @@ namespace OpenSim.Framework.Data
         /// </summary>
         /// <param name="folder">The inventory folder</param>
         void updateInventoryFolder(InventoryFolderBase folder);
+
+        /// <summary>
+        /// Delete a complete inventory category
+        /// </summary>
+        /// <param name="inventoryCategory">What folder category shout be deleted</param>
+        void deleteInventoryCategory(InventoryCategory inventoryCategory);
+
+        /// <summary>
+        /// Setup the initial folderset of a user
+        /// </summary>
+        /// <param name="user"></param>
+        //void CreateNewUserInventory(LLUUID user);
     }
 }
diff --git a/OpenSim/Framework/General/Configuration/InventoryConfig.cs b/OpenSim/Framework/General/Configuration/InventoryConfig.cs
new file mode 100644
index 0000000..d84609b
--- /dev/null
+++ b/OpenSim/Framework/General/Configuration/InventoryConfig.cs
@@ -0,0 +1,67 @@
+using System;

+using System.Collections.Generic;

+using System.Text;

+

+namespace OpenSim.Framework.Configuration

+{

+    /// <summary>

+    /// UserConfig -- For User Server Configuration

+    /// </summary>

+    public class InventoryConfig

+    {

+        public string DefaultStartupMsg = "";

+        public string UserServerURL = "";

+        public string UserSendKey = "";

+        public string UserRecvKey = "";

+

+        public string DatabaseProvider = "";

+

+        public int RemotingPort = 8004;

+

+        private ConfigurationMember configMember;

+

+        public InventoryConfig(string description, string filename)

+        {

+            configMember = new ConfigurationMember(filename, description, this.loadConfigurationOptions, this.handleIncomingConfiguration);

+            configMember.performConfigurationRetrieve();

+        }

+

+        public void loadConfigurationOptions()

+        {

+            configMember.addConfigurationOption("default_startup_message", ConfigurationOption.ConfigurationTypes.TYPE_STRING_NOT_EMPTY, "Default Startup Message", "Welcome to OGS", false);

+            configMember.addConfigurationOption("default_user_server", ConfigurationOption.ConfigurationTypes.TYPE_STRING_NOT_EMPTY, "Default User Server URI", "http://127.0.0.1:8002/", false);

+            configMember.addConfigurationOption("user_send_key", ConfigurationOption.ConfigurationTypes.TYPE_STRING, "Key to send to user server", "null", false);

+            configMember.addConfigurationOption("user_recv_key", ConfigurationOption.ConfigurationTypes.TYPE_STRING, "Key to expect from user server", "null", false);

+            configMember.addConfigurationOption("database_provider", ConfigurationOption.ConfigurationTypes.TYPE_STRING, "DLL for database provider", "OpenSim.Framework.Data.MySQL.dll", false);

+            configMember.addConfigurationOption("remoting_port", ConfigurationOption.ConfigurationTypes.TYPE_INT32, "Remoting Listener port", "8004", false);

+

+        }

+

+        public bool handleIncomingConfiguration(string configuration_key, object configuration_result)

+        {

+            switch (configuration_key)

+            {

+                case "default_startup_message":

+                    this.DefaultStartupMsg = (string)configuration_result;

+                    break;

+                case "default_user_server":

+                    this.UserServerURL = (string)configuration_result;

+                    break;

+                case "user_send_key":

+                    this.UserSendKey = (string)configuration_result;

+                    break;

+                case "user_recv_key":

+                    this.UserRecvKey = (string)configuration_result;

+                    break;

+                case "database_provider":

+                    this.DatabaseProvider = (string)configuration_result;

+                    break;

+                case "remoting_port":

+                    RemotingPort = (int)configuration_result;

+                    break;

+            }

+

+            return true;

+        }

+    }

+}

diff --git a/OpenSim/Framework/General/Configuration/UserConfig.cs b/OpenSim/Framework/General/Configuration/UserConfig.cs
index 776b911..16a7de4 100644
--- a/OpenSim/Framework/General/Configuration/UserConfig.cs
+++ b/OpenSim/Framework/General/Configuration/UserConfig.cs
@@ -18,6 +18,9 @@ namespace OpenSim.Framework.Configuration
 
         public uint HttpPort = 8002;
 
+        public int    InventoryServerPort;
+        public string InventoryServerName;
+
         private ConfigurationMember configMember;
 
         public UserConfig(string description, string filename)
@@ -37,6 +40,8 @@ namespace OpenSim.Framework.Configuration
 
             configMember.addConfigurationOption("http_port", ConfigurationOption.ConfigurationTypes.TYPE_UINT32, "Http Listener port", "8002", false);
 
+            configMember.addConfigurationOption("inventory_server_port", ConfigurationOption.ConfigurationTypes.TYPE_INT32, "Portnumber inventory is listening on", "8004", false);
+            configMember.addConfigurationOption("inventory_server_name", ConfigurationOption.ConfigurationTypes.TYPE_STRING, "DNS name of the inventory server", "127.0.0.1", false);
         }
 
         public bool handleIncomingConfiguration(string configuration_key, object configuration_result)
@@ -59,6 +64,12 @@ namespace OpenSim.Framework.Configuration
                     this.DatabaseProvider = (string)configuration_result;
                     break;
 
+                case "inventory_server_port":
+                    this.InventoryServerPort = (int)configuration_result;
+                    break;
+                case "inventory_server_name":
+                    this.InventoryServerName = (string)configuration_result;
+                    break;
                 case "http_port":
                     HttpPort = (uint)configuration_result;
                     break;
diff --git a/OpenSim/Framework/General/Types/NetworkServersInfo.cs b/OpenSim/Framework/General/Types/NetworkServersInfo.cs
index b65488a..cf194fc 100644
--- a/OpenSim/Framework/General/Types/NetworkServersInfo.cs
+++ b/OpenSim/Framework/General/Types/NetworkServersInfo.cs
@@ -49,6 +49,8 @@ namespace OpenSim.Framework.Types
         public int HttpListenerPort = 9000;
         public int RemotingListenerPort = 8895;
 
+        public int InventoryServerPort;
+        public string InventoryServerName = "";
 
         public NetworkServersInfo()
         {
@@ -86,7 +88,8 @@ namespace OpenSim.Framework.Types
             UserSendKey = config.Configs["Network"].GetString("user_send_key", "null");
             UserRecvKey = config.Configs["Network"].GetString("user_recv_key", "null");
             AssetURL = config.Configs["Network"].GetString("asset_server_url", "http://127.0.0.1:8003");
-
+            InventoryServerPort = config.Configs["Network"].GetInt("inventory_server_port", 8004);
+            InventoryServerName = config.Configs["Network"].GetString("inventory_server_name", "127.0.0.1");
         }
     }
 }
diff --git a/OpenSim/Framework/General/Types/UUID.cs b/OpenSim/Framework/General/Types/UUID.cs
index 9e9654d..feae4ae 100644
--- a/OpenSim/Framework/General/Types/UUID.cs
+++ b/OpenSim/Framework/General/Types/UUID.cs
@@ -91,12 +91,12 @@ namespace OpenSim.Framework.Types
 
         public void Combine(UUID other)
         {
-            llUUID.Combine(other.GetLLUUID());
+            LLUUID.Combine(llUUID, other.GetLLUUID());
         }
 
         public void Combine(LLUUID other)
         {
-            llUUID.Combine(other);
+            LLUUID.Combine(llUUID, other);
         }
 
         public override bool Equals(Object other)