Finish the implementation of GetUserInventory, even though it's still not used.

OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs

@@ -297,14 +297,35 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             return m_LocalGridInventoryService.CreateUserInventory(userID);
         }
 
-        public List<InventoryFolderBase> GetInventorySkeleton(UUID userId)
+        public List<InventoryFolderBase> GetInventorySkeleton(UUID userID)
         {
-            return m_LocalGridInventoryService.GetInventorySkeleton(userId);
+            string invURL = GetInventoryServiceURL(userID);
+
+            if (invURL == null) // not there, forward to local inventory connector to resolve
+                return m_LocalGridInventoryService.GetInventorySkeleton(userID);
+
+            IInventoryService connector = GetConnector(invURL);
+
+            return connector.GetInventorySkeleton(userID);
         }
 
         public InventoryCollection GetUserInventory(UUID userID)
         {
-            return null;
+            string invURL = GetInventoryServiceURL(userID);
+            m_log.DebugFormat("[HG INVENTORY CONNECTOR]: GetUserInventory for {0} {1}", userID, invURL);
+
+            if (invURL == null) // not there, forward to local inventory connector to resolve
+                return m_LocalGridInventoryService.GetUserInventory(userID);
+
+            InventoryCollection c = m_Cache.GetUserInventory(userID);
+            if (c != null)
+                return c;
+
+            IInventoryService connector = GetConnector(invURL);
+            c = connector.GetUserInventory(userID);
+
+            m_Cache.Cache(userID, c);
+            return c;
         }
 
         public void GetUserInventory(UUID userID, InventoryReceiptCallback callback)
@@ -362,8 +383,14 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             if (invURL == null) // not there, forward to local inventory connector to resolve
                 return m_LocalGridInventoryService.GetFolderContent(userID, folderID);
 
-            IInventoryService connector = GetConnector(invURL);
+            InventoryCollection c = m_Cache.GetFolderContent(userID, folderID);
+            if (c != null)
+            {
+                m_log.Debug("[HG INVENTORY CONNECTOR]: GetFolderContent found content in cache " + folderID);
+                return c;
+            }
 
+            IInventoryService connector = GetConnector(invURL);
             return connector.GetFolderContent(userID, folderID);
 
         }
@@ -377,8 +404,14 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             if (invURL == null) // not there, forward to local inventory connector to resolve
                 return m_LocalGridInventoryService.GetFolderItems(userID, folderID);
 
-            IInventoryService connector = GetConnector(invURL);
+            List<InventoryItemBase> items = m_Cache.GetFolderItems(userID, folderID);
+            if (items != null)
+            {
+                m_log.Debug("[HG INVENTORY CONNECTOR]: GetFolderItems found items in cache " + folderID);
+                return items;
+            }
 
+            IInventoryService connector = GetConnector(invURL);
             return connector.GetFolderItems(userID, folderID);
 
         }

OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/InventoryCache.cs

@@ -12,6 +12,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
 
         private static ExpiringCache<UUID, InventoryFolderBase> m_RootFolders = new ExpiringCache<UUID, InventoryFolderBase>();
         private static ExpiringCache<UUID, Dictionary<AssetType, InventoryFolderBase>> m_FolderTypes = new ExpiringCache<UUID, Dictionary<AssetType, InventoryFolderBase>>();
+        private static ExpiringCache<UUID, InventoryCollection> m_Inventories = new ExpiringCache<UUID, InventoryCollection>();
 
         public void Cache(UUID userID, InventoryFolderBase root)
         {
@@ -55,5 +56,55 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
 
             return null;
         }
+
+        public void Cache(UUID userID, InventoryCollection inv)
+        {
+            lock (m_Inventories)
+                m_Inventories.AddOrUpdate(userID, inv, 120);
+        }
+
+        public InventoryCollection GetUserInventory(UUID userID)
+        {
+            InventoryCollection inv = null;
+            if (m_Inventories.TryGetValue(userID, out inv))
+                return inv;
+            return null;
+        }
+
+        public InventoryCollection GetFolderContent(UUID userID, UUID folderID)
+        {
+            InventoryCollection inv = null;
+            InventoryCollection c;
+            if (m_Inventories.TryGetValue(userID, out inv))
+            {
+                c = new InventoryCollection();
+                c.UserID = userID;
+
+                c.Folders = inv.Folders.FindAll(delegate(InventoryFolderBase f)
+                {
+                    return f.ParentID == folderID;
+                });
+                c.Items = inv.Items.FindAll(delegate(InventoryItemBase i)
+                {
+                    return i.Folder == folderID;
+                });
+                return c;
+            }
+            return null;
+        }
+
+        public List<InventoryItemBase> GetFolderItems(UUID userID, UUID folderID)
+        {
+            InventoryCollection inv = null;
+            if (m_Inventories.TryGetValue(userID, out inv))
+            {
+                List<InventoryItemBase> items = inv.Items.FindAll(delegate(InventoryItemBase i)
+                {
+                    return i.Folder == folderID;
+                });
+                return items;
+            }
+            return null;
+        }
     }
 }

OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteXInventoryServiceConnector.cs

@@ -172,7 +172,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
 
         public  InventoryCollection GetUserInventory(UUID userID)
         {
-            return null;
+            return m_RemoteConnector.GetUserInventory(userID);
         }
 
         public  void GetUserInventory(UUID userID, InventoryReceiptCallback callback)
@@ -193,11 +193,12 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
         {
             InventoryCollection invCol = m_RemoteConnector.GetFolderContent(userID, folderID);
 
-            if (UserManager != null)
+            if (invCol != null && UserManager != null)
             {
                 // Protect ourselves against the caller subsequently modifying the items list
                 List<InventoryItemBase> items = new List<InventoryItemBase>(invCol.Items);
 
+                if (items != null && items.Count > 0)
                     Util.FireAndForget(delegate
                     {
                         foreach (InventoryItemBase item in items)

OpenSim/Server/Handlers/Inventory/XInventoryInConnector.cs

@@ -114,6 +114,8 @@ namespace OpenSim.Server.Handlers.Asset
                         return HandleCreateUserInventory(request);
                     case "GETINVENTORYSKELETON":
                         return HandleGetInventorySkeleton(request);
+                    case "GETUSERINVENTORY":
+                        return HandleGetUserInventory(request);
                     case "GETROOTFOLDER":
                         return HandleGetRootFolder(request);
                     case "GETFOLDERFORTYPE":
@@ -153,7 +155,7 @@ namespace OpenSim.Server.Handlers.Asset
             }
             catch (Exception e)
             {
-                m_log.DebugFormat("[XINVENTORY HANDLER]: Exception {0}", e);
+                m_log.DebugFormat("[XINVENTORY HANDLER]: Exception {0}", e.StackTrace);
             }
 
             return FailureResult();
@@ -248,6 +250,45 @@ namespace OpenSim.Server.Handlers.Asset
             return encoding.GetBytes(xmlString);
         }
 
+        byte[] HandleGetUserInventory(Dictionary<string, object> request)
+        {
+            Dictionary<string, object> result = new Dictionary<string, object>();
+            UUID principal = UUID.Zero;
+            UUID.TryParse(request["PRINCIPAL"].ToString(), out principal);
+
+            InventoryCollection icoll = m_InventoryService.GetUserInventory(principal);
+            if (icoll != null)
+            {
+                Dictionary<string, object> folders = new Dictionary<string, object>();
+                int i = 0;
+                if (icoll.Folders != null)
+                {
+                    foreach (InventoryFolderBase f in icoll.Folders)
+                    {
+                        folders["folder_" + i.ToString()] = EncodeFolder(f);
+                        i++;
+                    }
+                    result["FOLDERS"] = folders;
+                }
+                if (icoll.Items != null)
+                {
+                    i = 0;
+                    Dictionary<string, object> items = new Dictionary<string, object>();
+                    foreach (InventoryItemBase it in icoll.Items)
+                    {
+                        items["item_" + i.ToString()] = EncodeItem(it);
+                        i++;
+                    }
+                    result["ITEMS"] = items;
+                }
+            }
+
+            string xmlString = ServerUtils.BuildXmlResponse(result);
+            //m_log.DebugFormat("[XXX]: resp string: {0}", xmlString);
+            UTF8Encoding encoding = new UTF8Encoding();
+            return encoding.GetBytes(xmlString);
+        }
+
         byte[] HandleGetRootFolder(Dictionary<string,object> request)
         {
             Dictionary<string,object> result = new Dictionary<string,object>();
@@ -294,13 +335,17 @@ namespace OpenSim.Server.Handlers.Asset
             {
                 Dictionary<string, object> folders = new Dictionary<string, object>();
                 int i = 0; 
+                if (icoll.Folders != null)
+                {
                     foreach (InventoryFolderBase f in icoll.Folders)
                     {
                         folders["folder_" + i.ToString()] = EncodeFolder(f);
                         i++;
                     }
                     result["FOLDERS"] = folders;
-
+                }
+                if (icoll.Items != null)
+                {
                     i = 0;
                     Dictionary<string, object> items = new Dictionary<string, object>();
                     foreach (InventoryItemBase it in icoll.Items)
@@ -310,6 +355,7 @@ namespace OpenSim.Server.Handlers.Asset
                     }
                     result["ITEMS"] = items;
                 }
+            }
 
             string xmlString = ServerUtils.BuildXmlResponse(result);
             //m_log.DebugFormat("[XXX]: resp string: {0}", xmlString);

OpenSim/Services/Connectors/Inventory/XInventoryConnector.cs

@@ -111,19 +111,21 @@ namespace OpenSim.Services.Connectors
             if (ret.Count == 0)
                 return null;
 
-            List<InventoryFolderBase> folders = new List<InventoryFolderBase>();
+            Dictionary<string, object> folders = (Dictionary<string, object>)ret["FOLDERS"];
+
+            List<InventoryFolderBase> fldrs = new List<InventoryFolderBase>();
 
             try
             {
-                foreach (Object o in ret.Values)
+                foreach (Object o in folders.Values)
-                    folders.Add(BuildFolder((Dictionary<string, object>)o));
+                    fldrs.Add(BuildFolder((Dictionary<string, object>)o));
             }
             catch (Exception e)
             {
                 m_log.DebugFormat("[XINVENTORY CONNECTOR STUB]: Exception unwrapping folder list: {0}", e.Message);
             }
 
-            return folders;
+            return fldrs;
         }
 
         public InventoryFolderBase GetRootFolder(UUID principalID)
@@ -492,12 +494,41 @@ namespace OpenSim.Services.Connectors
             return int.Parse(ret["RESULT"].ToString());
         }
 
-
-        // These are either obsolete or unused
-        //
         public InventoryCollection GetUserInventory(UUID principalID)
         {
+            InventoryCollection inventory = new InventoryCollection();
+            inventory.Folders = new List<InventoryFolderBase>();
+            inventory.Items = new List<InventoryItemBase>();
+            inventory.UserID = principalID;
+
+            try
+            {
+                Dictionary<string, object> ret = MakeRequest("GETUSERINVENTORY",
+                        new Dictionary<string, object> {
+                            { "PRINCIPAL", principalID.ToString() }
+                        });
+
+                if (ret == null)
                     return null;
+                if (ret.Count == 0)
+                    return null;
+
+                Dictionary<string, object> folders =
+                        (Dictionary<string, object>)ret["FOLDERS"];
+                Dictionary<string, object> items =
+                        (Dictionary<string, object>)ret["ITEMS"];
+
+                foreach (Object o in folders.Values) // getting the values directly, we don't care about the keys folder_i
+                    inventory.Folders.Add(BuildFolder((Dictionary<string, object>)o));
+                foreach (Object o in items.Values) // getting the values directly, we don't care about the keys item_i
+                    inventory.Items.Add(BuildItem((Dictionary<string, object>)o));
+            }
+            catch (Exception e)
+            {
+                m_log.DebugFormat("[XINVENTORY CONNECTOR STUB]: Exception in GetUserInventory: {0}", e.Message);
+            }
+
+            return inventory;
         }
 
         public void GetUserInventory(UUID principalID, InventoryReceiptCallback callback)

OpenSim/Services/HypergridService/HGInventoryService.cs

@@ -105,6 +105,12 @@ namespace OpenSim.Services.HypergridService
             return new List<InventoryFolderBase>();
         }
 
+        public override InventoryCollection GetUserInventory(UUID userID)
+        {
+            // NOGO for this inventory service
+            return null;
+        }
+
         public override InventoryFolderBase GetRootFolder(UUID principalID)
         {
             //m_log.DebugFormat("[HG INVENTORY SERVICE]: GetRootFolder for {0}", principalID);