18 files changed, 610 insertions, 129 deletions

diff --git a/OpenSim/Data/MySQL/MySQLRegionData.cs b/OpenSim/Data/MySQL/MySQLRegionData.cs
index 3b561d1..f514076 100644
--- a/OpenSim/Data/MySQL/MySQLRegionData.cs
+++ b/OpenSim/Data/MySQL/MySQLRegionData.cs
@@ -151,7 +151,10 @@ namespace OpenSim.Data.MySQL
 
                         DataTable schemaTable = result.GetSchemaTable();
                         foreach (DataRow row in schemaTable.Rows)
-                            m_ColumnNames.Add(row["ColumnName"].ToString());
+                        {
+                            if (row["ColumnName"] != null)
+                                m_ColumnNames.Add(row["ColumnName"].ToString());
+                        }
                     }
 
                     foreach (string s in m_ColumnNames)
diff --git a/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs b/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs
index 5877779..bb98f24 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs
@@ -31,6 +31,7 @@ using OpenMetaverse;
 using OpenMetaverse.Imaging;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes.Hypergrid;
 using OpenSim.Services.Interfaces;
 using log4net;
 using System.Reflection;
@@ -54,6 +55,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         public UUID TextureID;
         public IJ2KDecoder J2KDecoder;
         public IAssetService AssetService;
+        public UUID AgentID;
+        public IHyperAssetService HyperAssets;
         public OpenJPEG.J2KLayerInfo[] Layers;
         public bool IsDecoded;
         public bool HasAsset;
@@ -370,6 +373,17 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             UUID assetID = UUID.Zero;
             if (asset != null)
                 assetID = asset.FullID;
+            else if ((HyperAssets != null) && (sender != HyperAssets))
+            {
+                // Try the user's inventory, but only if it's different from the regions'
+                string userAssets = HyperAssets.GetUserAssetServer(AgentID);
+                if ((userAssets != string.Empty) && (userAssets != HyperAssets.GetSimAssetServer()))
+                {
+                    m_log.DebugFormat("[J2KIMAGE]: texture {0} not found in local asset storage. Trying user's storage.", id);
+                    AssetService.Get(userAssets + "/" + id, HyperAssets, AssetReceived);
+                    return;
+                }
+            }
 
             AssetDataCallback(assetID, asset);
 
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index 3b1a0bd..cfc1ebc 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -43,6 +43,7 @@ using OpenSim.Framework.Communications.Cache;
 using OpenSim.Framework.Statistics;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Scenes.Hypergrid;
 using OpenSim.Services.Interfaces;
 using Timer=System.Timers.Timer;
 using AssetLandmark = OpenSim.Framework.AssetLandmark;
@@ -318,6 +319,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         protected int m_avatarTerseUpdateRate = 50;
         protected int m_avatarTerseUpdatesPerPacket = 5;
         protected IAssetService m_assetService;
+        private IHyperAssetService m_hyperAssets;
+
 
         #endregion Class Members
 
@@ -376,6 +379,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             m_scene = scene;
             m_assetService = m_scene.RequestModuleInterface<IAssetService>();
+            m_hyperAssets = m_scene.RequestModuleInterface<IHyperAssetService>();
             m_GroupsModule = scene.RequestModuleInterface<IGroupsModule>();
             m_imageManager = new LLImageManager(this, m_assetService, Scene.RequestModuleInterface<IJ2KDecoder>());
             m_channelVersion = Utils.StringToBytes(scene.GetSimulatorVersion());
@@ -6894,7 +6898,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     #endregion
 
                     //handlerTextureRequest = null;
-
                     for (int i = 0; i < imageRequest.RequestImage.Length; i++)
                     {
                         if (OnRequestTexture != null)
@@ -6905,7 +6908,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                             args.PacketNumber = imageRequest.RequestImage[i].Packet;
                             args.Priority = imageRequest.RequestImage[i].DownloadPriority;
                             args.requestSequence = imageRequest.Header.Sequence;
-
                             //handlerTextureRequest = OnRequestTexture;
 
                             //if (handlerTextureRequest != null)
@@ -6928,10 +6930,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     // Validate inventory transfers
                     // Has to be done here, because AssetCache can't do it
                     //
-                    
+                    UUID taskID = UUID.Zero;
                     if (transfer.TransferInfo.SourceType == 3)
                     {
-                        UUID taskID = new UUID(transfer.TransferInfo.Params, 48);
+                        taskID = new UUID(transfer.TransferInfo.Params, 48);
                         UUID itemID = new UUID(transfer.TransferInfo.Params, 64);
                         UUID requestID = new UUID(transfer.TransferInfo.Params, 80);
                         if (!(((Scene)m_scene).Permissions.BypassPermissions()))
@@ -7002,7 +7004,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
                     //m_assetCache.AddAssetRequest(this, transfer);
 
-                    MakeAssetRequest(transfer);
+                    MakeAssetRequest(transfer, taskID);
 
                     /* RequestAsset = OnRequestAsset;
                          if (RequestAsset != null)
@@ -10209,7 +10211,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             return String.Empty;
         }
 
-        public void MakeAssetRequest(TransferRequestPacket transferRequest)
+        public void MakeAssetRequest(TransferRequestPacket transferRequest, UUID taskID)
         {
             UUID requestID = UUID.Zero;
             if (transferRequest.TransferInfo.SourceType == 2)
@@ -10221,12 +10223,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             {
                 //inventory asset request
                 requestID = new UUID(transferRequest.TransferInfo.Params, 80);
-                //m_log.Debug("asset request " + requestID);
+                //m_log.Debug("[XXX] inventory asset request " + requestID);
+                //if (taskID == UUID.Zero) // Agent
+                //    if (m_scene is HGScene)
+                //    {
+                //        m_log.Debug("[XXX] hg asset request " + requestID);
+                //        // We may need to fetch the asset from the user's asset server into the local asset server
+                //        HGAssetMapper mapper = ((HGScene)m_scene).AssetMapper;
+                //        mapper.Get(requestID, AgentId);
+                //    }
             }
 
             //check to see if asset is in local cache, if not we need to request it from asset server.
             //m_log.Debug("asset request " + requestID);
-            
+
             m_assetService.Get(requestID.ToString(), transferRequest, AssetReceived);
 
         }
@@ -10237,12 +10247,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             UUID requestID = UUID.Zero;
             byte source = 2;
-            if (transferRequest.TransferInfo.SourceType == 2)
+            if ((transferRequest.TransferInfo.SourceType == 2) || (transferRequest.TransferInfo.SourceType == 2222))
             {
                 //direct asset request
                 requestID = new UUID(transferRequest.TransferInfo.Params, 0);
             }
-            else if (transferRequest.TransferInfo.SourceType == 3)
+            else if ((transferRequest.TransferInfo.SourceType == 3) || (transferRequest.TransferInfo.SourceType == 3333))
             {
                 //inventory asset request
                 requestID = new UUID(transferRequest.TransferInfo.Params, 80);
@@ -10250,10 +10260,28 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 //m_log.Debug("asset request " + requestID);
             }
 
-            // FIXME: We never tell the client about assets which do not exist when requested by this transfer mechanism, which can't be right.
             if (null == asset)
             {
+                if ((m_hyperAssets != null) && (transferRequest.TransferInfo.SourceType < 2000))
+                {
+                    // Try the user's inventory, but only if it's different from the regions'
+                    string userAssets = m_hyperAssets.GetUserAssetServer(AgentId);
+                    if ((userAssets != string.Empty) && (userAssets != m_hyperAssets.GetSimAssetServer()))
+                    {
+                        m_log.DebugFormat("[CLIENT]: asset {0} not found in local asset storage. Trying user's storage.", id);
+                        if (transferRequest.TransferInfo.SourceType == 2)
+                            transferRequest.TransferInfo.SourceType = 2222; // marker
+                        else if (transferRequest.TransferInfo.SourceType == 3)
+                            transferRequest.TransferInfo.SourceType = 3333; // marker
+
+                        m_assetService.Get(userAssets + "/" + id, transferRequest, AssetReceived);
+                        return;
+                    }
+                }
+
                 //m_log.DebugFormat("[ASSET CACHE]: Asset transfer request for asset which is {0} already known to be missing.  Dropping", requestID);
+                
+                // FIXME: We never tell the client about assets which do not exist when requested by this transfer mechanism, which can't be right.
                 return;
             }
 
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs b/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs
index 8410ee9..681562b 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs
@@ -59,6 +59,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         private C5.IntervalHeap<J2KImage> m_priorityQueue = new C5.IntervalHeap<J2KImage>(10, new J2KImageComparer());
         private object m_syncRoot = new object();
 
+        private IHyperAssetService m_hyperAssets;
+
         public LLClientView Client { get { return m_client; } }
         public AssetBase MissingImage { get { return m_missingImage; } }
 
@@ -74,6 +76,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 m_log.Error("[ClientView] - Couldn't set missing image asset, falling back to missing image packet. This is known to crash the client");
 
             m_j2kDecodeModule = pJ2kDecodeModule;
+            m_hyperAssets = client.Scene.RequestModuleInterface<IHyperAssetService>();
         }
 
         /// <summary>
@@ -146,6 +149,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                         imgrequest = new J2KImage(this);
                         imgrequest.J2KDecoder = m_j2kDecodeModule;
                         imgrequest.AssetService = m_assetCache;
+                        imgrequest.AgentID = m_client.AgentId;
+                        imgrequest.HyperAssets = m_hyperAssets;
                         imgrequest.DiscardLevel = newRequest.DiscardLevel;
                         imgrequest.StartPacket = Math.Max(1, newRequest.PacketNumber);
                         imgrequest.Priority = newRequest.Priority;
diff --git a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
index b81ab41..4041b63 100644
--- a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
+++ b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
@@ -43,6 +43,7 @@ using Mono.Addins;
 using OpenMetaverse;
 
 using OpenSim.Framework;
+using OpenSim.Framework.Console;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Services.Interfaces;
@@ -54,7 +55,7 @@ using OpenSim.Services.Interfaces;
 namespace Flotsam.RegionModules.AssetCache
 {
     [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
-    public class FlotsamAssetCache : ISharedRegionModule, IImprovedAssetCache
+    public class FlotsamAssetCache : ISharedRegionModule, IImprovedAssetCache, IAssetService
     {
         private static readonly ILog m_log =
                 LogManager.GetLogger(
@@ -102,6 +103,11 @@ namespace Flotsam.RegionModules.AssetCache
 
         private System.Timers.Timer m_CachCleanTimer = new System.Timers.Timer();
 
+        private IAssetService m_AssetService = null;
+        private List<Scene> m_Scenes = new List<Scene>();
+
+        private bool m_DeepScanBeforePurge = false;
+
         public FlotsamAssetCache()
         {
             m_InvalidChars.AddRange(Path.GetInvalidPathChars());
@@ -121,6 +127,7 @@ namespace Flotsam.RegionModules.AssetCache
         public void Initialise(IConfigSource source)
         {
             IConfig moduleConfig = source.Configs["Modules"];
+            
 
             if (moduleConfig != null)
             {
@@ -195,7 +202,13 @@ namespace Flotsam.RegionModules.AssetCache
 
                     m_CacheWarnAt = assetConfig.GetInt("CacheWarnAt", 30000);
 
-                    
+                    m_DeepScanBeforePurge = assetConfig.GetBoolean("DeepScanBeforePurge", false);
+
+                    MainConsole.Instance.Commands.AddCommand(this.Name, true, "fcache status", "fcache status", "Display cache status", HandleConsoleCommand);
+                    MainConsole.Instance.Commands.AddCommand(this.Name, true, "fcache clear",  "fcache clear [file] [memory]", "Remove all assets in the file and/or memory cache", HandleConsoleCommand);
+                    MainConsole.Instance.Commands.AddCommand(this.Name, true, "fcache assets", "fcache assets", "Attempt a deep scan and cache of all assets in all scenes", HandleConsoleCommand);
+                    MainConsole.Instance.Commands.AddCommand(this.Name, true, "fcache expire", "fcache expire <datetime>", "Purge cached assets older then the specified date/time", HandleConsoleCommand);
+
                 }
             }
         }
@@ -213,16 +226,23 @@ namespace Flotsam.RegionModules.AssetCache
             if (m_Enabled)
             {
                 scene.RegisterModuleInterface<IImprovedAssetCache>(this);
+                m_Scenes.Add(scene);
 
-                //scene.AddCommand(this, "flotsamcache", "", "Display a list of console commands for the Flotsam Asset Cache", HandleConsoleCommand);
-                scene.AddCommand(this, "flotsamcache counts", "flotsamcache counts", "Display the number of cached assets", HandleConsoleCommand);
-                scene.AddCommand(this, "flotsamcache clearmem", "flotsamcache clearmem", "Remove all assets cached in memory", HandleConsoleCommand);
-                scene.AddCommand(this, "flotsamcache clearfile", "flotsamcache clearfile", "Remove all assets cached on disk", HandleConsoleCommand);
+                if (m_AssetService == null)
+                {
+                    m_AssetService = scene.RequestModuleInterface<IAssetService>();
+
+                }
             }
         }
 
         public void RemoveRegion(Scene scene)
         {
+            if (m_Enabled)
+            {
+                scene.UnregisterModuleInterface<IImprovedAssetCache>(this);
+                m_Scenes.Remove(scene);
+            }
         }
 
         public void RegionLoaded(Scene scene)
@@ -442,31 +462,47 @@ namespace Flotsam.RegionModules.AssetCache
             if (m_LogLevel >= 2)
                 m_log.DebugFormat("[FLOTSAM ASSET CACHE]: Checking for expired files older then {0}.", m_FileExpiration.ToString());
 
+            // Purge all files last accessed prior to this point
+            DateTime purgeLine = DateTime.Now - m_FileExpiration;
+
+            // An optional deep scan at this point will ensure assets present in scenes,
+            // or referenced by objects in the scene, but not recently accessed 
+            // are not purged.
+            if (m_DeepScanBeforePurge)
+            {
+                CacheScenes();
+            }
+
             foreach (string dir in Directory.GetDirectories(m_CacheDirectory))
             {
-                CleanExpiredFiles(dir);
+                CleanExpiredFiles(dir, purgeLine);
             }
         }
 
         /// <summary>
-        /// Recurses through specified directory checking for expired asset files and deletes them.  Also removes empty directories.
+        /// Recurses through specified directory checking for asset files last 
+        /// accessed prior to the specified purge line and deletes them.  Also 
+        /// removes empty tier directories.
         /// </summary>
         /// <param name="dir"></param>
-        private void CleanExpiredFiles(string dir)
+        private void CleanExpiredFiles(string dir, DateTime purgeLine)
         {
+
             foreach (string file in Directory.GetFiles(dir))
             {
-                if (DateTime.Now - File.GetLastAccessTime(file) > m_FileExpiration)
+                if (File.GetLastAccessTime(file) < purgeLine)
                 {
                     File.Delete(file);
                 }
             }
 
+            // Recurse into lower tiers
             foreach (string subdir in Directory.GetDirectories(dir))
             {
-                CleanExpiredFiles(subdir);
+                CleanExpiredFiles(subdir, purgeLine);
             }
 
+            // Check if a tier directory is empty, if so, delete it
             int dirSize = Directory.GetFiles(dir).Length + Directory.GetDirectories(dir).Length;
             if (dirSize == 0)
             {
@@ -478,6 +514,11 @@ namespace Flotsam.RegionModules.AssetCache
             }
         }
 
+        /// <summary>
+        /// Determines the filename for an AssetID stored in the file cache
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
         private string GetFileName(string id)
         {
             // Would it be faster to just hash the darn thing?
@@ -496,14 +537,23 @@ namespace Flotsam.RegionModules.AssetCache
             return Path.Combine(path, id);
         }
 
+        /// <summary>
+        /// Writes a file to the file cache, creating any nessesary 
+        /// tier directories along the way
+        /// </summary>
+        /// <param name="filename"></param>
+        /// <param name="asset"></param>
         private void WriteFileCache(string filename, AssetBase asset)
         {
             Stream stream = null;
+
             // Make sure the target cache directory exists
             string directory = Path.GetDirectoryName(filename);
+
             // Write file first to a temp name, so that it doesn't look 
             // like it's already cached while it's still writing.
             string tempname = Path.Combine(directory, Path.GetRandomFileName());
+
             try
             {
                 if (!Directory.Exists(directory))
@@ -563,6 +613,11 @@ namespace Flotsam.RegionModules.AssetCache
             }
         }
 
+        /// <summary>
+        /// Scan through the file cache, and return number of assets currently cached.
+        /// </summary>
+        /// <param name="dir"></param>
+        /// <returns></returns>
         private int GetFileCacheCount(string dir)
         {
             int count = Directory.GetFiles(dir).Length;
@@ -575,55 +630,180 @@ namespace Flotsam.RegionModules.AssetCache
             return count;
         }
 
+        /// <summary>
+        /// This notes the last time the Region had a deep asset scan performed on it.
+        /// </summary>
+        /// <param name="RegionID"></param>
+        private void StampRegionStatusFile(UUID RegionID)
+        {
+            string RegionCacheStatusFile = Path.Combine(m_CacheDirectory, "RegionStatus_" + RegionID.ToString() + ".fac");
+            if (File.Exists(RegionCacheStatusFile))
+            {
+                File.SetLastWriteTime(RegionCacheStatusFile, DateTime.Now);
+            }
+            else
+            {
+                File.WriteAllText(RegionCacheStatusFile, "Please do not delete this file unless you are manually clearing your Flotsam Asset Cache.");
+            }
+        }
+
+        /// <summary>
+        /// Iterates through all Scenes, doing a deep scan through assets 
+        /// to cache all assets present in the scene or referenced by assets 
+        /// in the scene
+        /// </summary>
+        /// <returns></returns>
+        private int CacheScenes()
+        {
+            UuidGatherer gatherer = new UuidGatherer(m_AssetService);
+
+            Dictionary<UUID, int> assets = new Dictionary<UUID, int>();
+            foreach (Scene s in m_Scenes)
+            {
+                StampRegionStatusFile(s.RegionInfo.RegionID);
+
+                s.ForEachSOG(delegate(SceneObjectGroup e)
+                {
+                    gatherer.GatherAssetUuids(e, assets);
+                }
+                );
+            }
+
+            foreach (UUID assetID in assets.Keys)
+            {
+                string filename = GetFileName(assetID.ToString());
+
+                if (File.Exists(filename))
+                {
+                    File.SetLastAccessTime(filename, DateTime.Now);
+                }
+                else
+                {
+                    m_AssetService.Get(assetID.ToString());
+                }
+            }
+
+            return assets.Keys.Count;
+        }
+
+        /// <summary>
+        /// Deletes all cache contents
+        /// </summary>
+        private void ClearFileCache()
+        {
+            foreach (string dir in Directory.GetDirectories(m_CacheDirectory))
+            {
+                try
+                {
+                    Directory.Delete(dir, true);
+                }
+                catch (Exception e)
+                {
+                    LogException(e);
+                }
+            }
+
+            foreach (string file in Directory.GetFiles(m_CacheDirectory))
+            {
+                try
+                {
+                    File.Delete(file);
+                }
+                catch (Exception e)
+                {
+                    LogException(e);
+                }
+            }
+        }
+
         #region Console Commands
         private void HandleConsoleCommand(string module, string[] cmdparams)
         {
-            if (cmdparams.Length == 2)
+            if (cmdparams.Length >= 2)
             {
                 string cmd = cmdparams[1];
                 switch (cmd)
                 {
-                    case "count":
-                    case "counts":
-                        m_log.InfoFormat("[FLOTSAM ASSET CACHE] Memory Cache : {0}", m_MemoryCache.Count);
+                    case "status":
+                        m_log.InfoFormat("[FLOTSAM ASSET CACHE] Memory Cache : {0} assets", m_MemoryCache.Count);
 
                         int fileCount = GetFileCacheCount(m_CacheDirectory);
-                        m_log.InfoFormat("[FLOTSAM ASSET CACHE] File Cache : {0}", fileCount);
+                        m_log.InfoFormat("[FLOTSAM ASSET CACHE] File Cache : {0} assets", fileCount);
 
-                        break;
+                        foreach ( string s in Directory.GetFiles(m_CacheDirectory, "*.fac" ) )
+                        {
+                            m_log.Info("[FLOTSAM ASSET CACHE] Deep Scans were performed on the following regions:");
+
+                            string RegionID = s.Remove(0,s.IndexOf("_")).Replace(".fac","");
+                            DateTime RegionDeepScanTMStamp = File.GetLastWriteTime(s);
+                            m_log.InfoFormat("[FLOTSAM ASSET CACHE] Region: {0}, {1}", RegionID, RegionDeepScanTMStamp.ToString("MM/dd/yyyy hh:mm:ss"));
+                        }
 
-                    case "clearmem":
-                        m_MemoryCache.Clear();
-                        m_log.InfoFormat("[FLOTSAM ASSET CACHE] Memory Cache Cleared, there are now {0} items in the memory cache", m_MemoryCache.Count);
                         break;
 
-                    case "clearfile":
-                        foreach (string dir in Directory.GetDirectories(m_CacheDirectory))
+                    case "clear":
+                        if (cmdparams.Length < 3)
                         {
-                            try
-                            {
-                                Directory.Delete(dir, true);
-                            }
-                            catch (Exception e)
-                            {
-                                LogException(e);
-                            }
+                            m_log.Warn("[FLOTSAM ASSET CACHE] Please specify memory and/or file cache.");
+                            break;
                         }
-
-                        foreach (string file in Directory.GetFiles(m_CacheDirectory))
+                        foreach (string s in cmdparams)
                         {
-                            try
+                            if (s.ToLower() == "memory")
                             {
-                                File.Delete(file);
+                                m_MemoryCache.Clear();
+                                m_log.Info("[FLOTSAM ASSET CACHE] Memory cache cleared.");
                             }
-                            catch (Exception e)
+                            else if (s.ToLower() == "file")
                             {
-                                LogException(e);
+                                ClearFileCache();
+                                m_log.Info("[FLOTSAM ASSET CACHE] File cache cleared.");
                             }
                         }
+                        break;
+
+
+                    case "assets":
+                        m_log.Info("[FLOTSAM ASSET CACHE] Caching all assets, in all scenes.");
+
+                        Util.FireAndForget(delegate {
+                            int assetsCached = CacheScenes();
+                            m_log.InfoFormat("[FLOTSAM ASSET CACHE] Completed Scene Caching, {0} assets found.", assetsCached);
+
+                        });                        
 
                         break;
 
+                    case "expire":
+
+
+                        if (cmdparams.Length >= 3)
+                        {
+                            m_log.InfoFormat("[FLOTSAM ASSET CACHE] Invalid parameters for Expire, please specify a valid date & time", cmd);
+                            break;
+                        }
+
+                        string s_expirationDate = "";
+                        DateTime expirationDate;
+
+                        if (cmdparams.Length > 3)
+                        {
+                            s_expirationDate = string.Join(" ", cmdparams, 2, cmdparams.Length - 2);
+                        }
+                        else
+                        {
+                            s_expirationDate = cmdparams[2];
+                        }
+
+                        if (!DateTime.TryParse(s_expirationDate, out expirationDate))
+                        {
+                            m_log.InfoFormat("[FLOTSAM ASSET CACHE] {0} is not a valid date & time", cmd);
+                            break;
+                        }
+
+                        CleanExpiredFiles(m_CacheDirectory, expirationDate);
+
+                        break;
                     default:
                         m_log.InfoFormat("[FLOTSAM ASSET CACHE] Unknown command {0}", cmd);
                         break;
@@ -631,13 +811,66 @@ namespace Flotsam.RegionModules.AssetCache
             }
             else if (cmdparams.Length == 1)
             {
-                m_log.InfoFormat("[FLOTSAM ASSET CACHE] flotsamcache counts - Display the number of cached assets");
+                m_log.InfoFormat("[FLOTSAM ASSET CACHE] flotsamcache status - Display cache status");
                 m_log.InfoFormat("[FLOTSAM ASSET CACHE] flotsamcache clearmem - Remove all assets cached in memory");
                 m_log.InfoFormat("[FLOTSAM ASSET CACHE] flotsamcache clearfile - Remove all assets cached on disk");
+                m_log.InfoFormat("[FLOTSAM ASSET CACHE] flotsamcache cachescenes - Attempt a deep cache of all assets in all scenes");
+                m_log.InfoFormat("[FLOTSAM ASSET CACHE] flotsamcache <datetime> - Purge assets older then the specified date & time");
 
             }
         }
 
         #endregion
+
+        #region IAssetService Members
+
+
+        public AssetMetadata GetMetadata(string id)
+        {
+            AssetBase asset = Get(id);
+            return asset.Metadata;
+        }
+
+        public byte[] GetData(string id)
+        {
+            AssetBase asset = Get(id);
+            return asset.Data;
+        }
+
+        public bool Get(string id, object sender, AssetRetrieved handler)
+        {
+            AssetBase asset = Get(id);
+            handler(id, sender, asset);
+            return true;
+        }
+
+        public string Store(AssetBase asset)
+        {
+            if ((asset.FullID == null) || (asset.FullID == UUID.Zero))
+            {
+                asset.FullID = UUID.Random();
+            }
+
+            Cache(asset);
+
+            return asset.ID;
+
+        }
+
+        public bool UpdateContent(string id, byte[] data)
+        {
+            AssetBase asset = Get(id);
+            asset.Data = data;
+            Cache(asset);
+            return true;
+        }
+
+        public bool Delete(string id)
+        {
+            Expire(id);
+            return true;
+        }
+
+        #endregion
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Asset/HGAssetBroker.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Asset/HGAssetBroker.cs
index 7b4e374..0aa753d 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Asset/HGAssetBroker.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Asset/HGAssetBroker.cs
@@ -31,6 +31,7 @@ using System;
 using System.Collections.Generic;
 using System.Reflection;
 using OpenSim.Framework;
+using OpenSim.Framework.Communications.Cache;
 using OpenSim.Server.Base;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
@@ -40,7 +41,7 @@ using OpenMetaverse;
 namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Asset
 {
     public class HGAssetBroker :
-            ISharedRegionModule, IAssetService
+            ISharedRegionModule, IAssetService, IHyperAssetService
     {
         private static readonly ILog m_log =
                 LogManager.GetLogger(
@@ -50,6 +51,9 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Asset
         private IAssetService m_GridService;
         private IAssetService m_HGService;
 
+        private Scene m_aScene;
+        private string m_LocalAssetServiceURI;
+
         private bool m_Enabled = false;
 
         public Type ReplaceableInterface 
@@ -114,6 +118,16 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Asset
                         return;
                     }
 
+                    m_LocalAssetServiceURI = assetConfig.GetString("AssetServerURI", string.Empty);
+                    if (m_LocalAssetServiceURI == string.Empty)
+                    {
+                        IConfig netConfig = source.Configs["Network"];
+                        m_LocalAssetServiceURI = netConfig.GetString("asset_server_url", string.Empty);
+                    }
+
+                    if (m_LocalAssetServiceURI != string.Empty)
+                        m_LocalAssetServiceURI = m_LocalAssetServiceURI.Trim('/');
+
                     m_Enabled = true;
                     m_log.Info("[HG ASSET CONNECTOR]: HG asset broker enabled");
                 }
@@ -132,8 +146,11 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Asset
         {
             if (!m_Enabled)
                 return;
+            
+            m_aScene = scene;
 
             scene.RegisterModuleInterface<IAssetService>(this);
+            scene.RegisterModuleInterface<IHyperAssetService>(this);
         }
 
         public void RemoveRegion(Scene scene)
@@ -344,5 +361,30 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Asset
             else
                 return m_GridService.Delete(id);
         }
+
+        #region IHyperAssetService
+
+        public string GetUserAssetServer(UUID userID)
+        {
+            CachedUserInfo uinfo = m_aScene.CommsManager.UserProfileCacheService.GetUserDetails(userID);
+            if ((uinfo != null) && (uinfo.UserProfile != null))
+            {
+                if ((uinfo.UserProfile.UserAssetURI == string.Empty) || (uinfo.UserProfile.UserAssetURI == ""))
+                    return m_LocalAssetServiceURI;
+                return uinfo.UserProfile.UserAssetURI.Trim('/');
+            }
+            else
+            {
+                // we don't know anyting about this user
+                return string.Empty;
+            }
+        }
+
+        public string GetSimAssetServer()
+        {
+            return m_LocalAssetServiceURI;
+        }
+
+        #endregion
     }
 }
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGGridConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGGridConnector.cs
index 148331b..1422add 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGGridConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGGridConnector.cs
@@ -759,6 +759,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
 
         }
 
+
         protected bool IsLocalRegion(ulong handle)
         {
             return m_LocalScenes.ContainsKey(handle);
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/BaseInventoryConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/BaseInventoryConnector.cs
index bd32f3b..811569f 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/BaseInventoryConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/BaseInventoryConnector.cs
@@ -159,6 +159,9 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
         /// <returns>true if the item was successfully added</returns>
         public bool AddItem(InventoryItemBase item)
         {
+            if (item == null)
+                return false;
+
             if (item.Folder == UUID.Zero)
             {
                 InventoryFolderBase f = GetFolderForType(item.Owner, (AssetType)item.AssetType);
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
index fd1a759..f073f32 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
@@ -386,7 +386,9 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
                 return false;
 
             if (IsLocalGridUser(item.Owner))
+            {
                 return m_GridService.AddItem(item);
+            }
             else
             {
                 UUID sessionID = GetSessionID(item.Owner);
diff --git a/OpenSim/Region/CoreModules/World/Land/RegionCombinerModule.cs b/OpenSim/Region/CoreModules/World/Land/RegionCombinerModule.cs
index 05d19a2..6499915 100644
--- a/OpenSim/Region/CoreModules/World/Land/RegionCombinerModule.cs
+++ b/OpenSim/Region/CoreModules/World/Land/RegionCombinerModule.cs
@@ -343,7 +343,9 @@ namespace OpenSim.Region.CoreModules.World.Land
 
                         lock (scene.WestBorders)
                         {
-                            scene.WestBorders[0].BorderLine.Z += (int) Constants.RegionSize; //auto teleport West
+
+
+                            scene.WestBorders[0].BorderLine.Z = (int)((scene.RegionInfo.RegionLocX - conn.RegionScene.RegionInfo.RegionLocX) * (int)Constants.RegionSize); //auto teleport West
 
                             // Trigger auto teleport to root region
                             scene.WestBorders[0].TriggerRegionX = conn.RegionScene.RegionInfo.RegionLocX;
@@ -410,7 +412,7 @@ namespace OpenSim.Region.CoreModules.World.Land
                             conn.RegionScene.WestBorders[0].BorderLine.Y += (int)Constants.RegionSize;
                         lock (scene.SouthBorders)
                         {
-                            scene.SouthBorders[0].BorderLine.Z += (int) Constants.RegionSize; //auto teleport south
+                            scene.SouthBorders[0].BorderLine.Z = (int)((scene.RegionInfo.RegionLocY - conn.RegionScene.RegionInfo.RegionLocY) * (int)Constants.RegionSize); //auto teleport south
                             scene.SouthBorders[0].TriggerRegionX = conn.RegionScene.RegionInfo.RegionLocX;
                             scene.SouthBorders[0].TriggerRegionY = conn.RegionScene.RegionInfo.RegionLocY;
                         }
@@ -481,7 +483,7 @@ namespace OpenSim.Region.CoreModules.World.Land
 
                         lock (scene.SouthBorders)
                         {
-                            scene.SouthBorders[0].BorderLine.Z += (int) Constants.RegionSize; //auto teleport south
+                            scene.SouthBorders[0].BorderLine.Z = (int)((scene.RegionInfo.RegionLocY - conn.RegionScene.RegionInfo.RegionLocY) * (int)Constants.RegionSize); //auto teleport south
                             scene.SouthBorders[0].TriggerRegionX = conn.RegionScene.RegionInfo.RegionLocX;
                             scene.SouthBorders[0].TriggerRegionY = conn.RegionScene.RegionInfo.RegionLocY;
                         }
@@ -503,7 +505,7 @@ namespace OpenSim.Region.CoreModules.World.Land
 
                         lock (scene.WestBorders)
                         {
-                            scene.WestBorders[0].BorderLine.Z += (int) Constants.RegionSize; //auto teleport West
+                            scene.WestBorders[0].BorderLine.Z = (int)((scene.RegionInfo.RegionLocX - conn.RegionScene.RegionInfo.RegionLocX) * (int)Constants.RegionSize); //auto teleport West
                             scene.WestBorders[0].TriggerRegionX = conn.RegionScene.RegionInfo.RegionLocX;
                             scene.WestBorders[0].TriggerRegionY = conn.RegionScene.RegionInfo.RegionLocY;
                         }
diff --git a/OpenSim/Region/Framework/Interfaces/IHyperService.cs b/OpenSim/Region/Framework/Interfaces/IHyperService.cs
new file mode 100644
index 0000000..51ea28a
--- /dev/null
+++ b/OpenSim/Region/Framework/Interfaces/IHyperService.cs
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+using System;
+using OpenMetaverse;
+
+namespace OpenSim.Region.Framework.Interfaces
+{
+    public interface IHyperAssetService
+    {
+        string GetUserAssetServer(UUID userID);
+        string GetSimAssetServer();
+    }
+}
diff --git a/OpenSim/Region/Framework/Scenes/Hypergrid/HGAssetMapper.cs b/OpenSim/Region/Framework/Scenes/Hypergrid/HGAssetMapper.cs
index b6fa41d..244ac3b 100644
--- a/OpenSim/Region/Framework/Scenes/Hypergrid/HGAssetMapper.cs
+++ b/OpenSim/Region/Framework/Scenes/Hypergrid/HGAssetMapper.cs
@@ -35,6 +35,7 @@ using OpenSim.Framework;
 using OpenSim.Framework.Communications.Cache;
 using OpenSim.Framework.Communications.Clients;
 using OpenSim.Region.Framework.Scenes.Serialization;
+using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Services.Interfaces;
 
 //using HyperGrid.Framework;
@@ -52,13 +53,13 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
 
         private Scene m_scene;
 
-        private IHyperlinkService m_hyper;
-        IHyperlinkService HyperlinkService
+        private IHyperAssetService m_hyper;
+        IHyperAssetService HyperlinkAssets
         {
             get
             {
                 if (m_hyper == null)
-                    m_hyper = m_scene.RequestModuleInterface<IHyperlinkService>();
+                    m_hyper = m_scene.RequestModuleInterface<IHyperAssetService>();
                 return m_hyper;
             }
         }
@@ -99,7 +100,7 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
 
             if (asset != null)
             {
-                m_log.Debug("[HGScene]: Asset made it to asset cache. " + asset.Name + " " + assetID);
+                m_log.DebugFormat("[HGScene]: Copied asset {0} from {1} to local asset server. ", asset.ID, url);
                 return asset;
             }
             return null;
@@ -129,6 +130,7 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
                     }
 
                     m_scene.AssetService.Store(asset1);
+                    m_log.DebugFormat("[HGScene]: Posted copy of asset {0} from local asset server to {1}", asset1.ID, url);
                 }
                 return true;
            }
@@ -167,34 +169,32 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
 
         public void Get(UUID assetID, UUID ownerID)
         {
-            if (!HyperlinkService.IsLocalUser(ownerID))
+            // Get the item from the remote asset server onto the local AssetCache
+            // and place an entry in m_assetMap
+
+            string userAssetURL = HyperlinkAssets.GetUserAssetServer(ownerID);
+            if ((userAssetURL != string.Empty) && (userAssetURL != HyperlinkAssets.GetSimAssetServer()))
             {
-                // Get the item from the remote asset server onto the local AssetCache
-                // and place an entry in m_assetMap
+                m_log.Debug("[HGScene]: Fetching object " + assetID + " from asset server " + userAssetURL);
+                AssetBase asset = FetchAsset(userAssetURL, assetID); 
 
-                string userAssetURL = UserAssetURL(ownerID);
-                if (userAssetURL != null)
+                if (asset != null)
                 {
-                    m_log.Debug("[HGScene]: Fetching object " + assetID + " to asset server " + userAssetURL);
-                    AssetBase asset = FetchAsset(userAssetURL, assetID); 
+                    // OK, now fetch the inside.
+                    Dictionary<UUID, int> ids = new Dictionary<UUID, int>();
+                    HGUuidGatherer uuidGatherer = new HGUuidGatherer(this, m_scene.AssetService, userAssetURL);
+                    uuidGatherer.GatherAssetUuids(asset.FullID, (AssetType)asset.Type, ids);
+                    foreach (UUID uuid in ids.Keys)
+                        FetchAsset(userAssetURL, uuid);
+
+                    m_log.DebugFormat("[HGScene]: Successfully fetched asset {0} from asset server {1}", asset.ID, userAssetURL);
 
-                    if (asset != null)
-                    {
-                        m_log.Debug("[HGScene]: Successfully fetched item from remote asset server " + userAssetURL);
-
-                        // OK, now fetch the inside.
-                        Dictionary<UUID, int> ids = new Dictionary<UUID, int>();
-                        HGUuidGatherer uuidGatherer = new HGUuidGatherer(this, m_scene.AssetService, userAssetURL);
-                        uuidGatherer.GatherAssetUuids(asset.FullID, (AssetType)asset.Type, ids);
-                        foreach (UUID uuid in ids.Keys)
-                            FetchAsset(userAssetURL, uuid);
-                    }
-                    else
-                        m_log.Warn("[HGScene]: Could not fetch asset from remote asset server " + userAssetURL);
                 }
                 else
-                    m_log.Warn("[HGScene]: Unable to locate foreign user's asset server");
+                    m_log.Warn("[HGScene]: Could not fetch asset from remote asset server " + userAssetURL);
             }
+            else
+                m_log.Debug("[HGScene]: user's asset server is the local region's asset server");
         }
 
         //public InventoryItemBase Get(InventoryItemBase item, UUID rootFolder, CachedUserInfo userInfo)
@@ -225,44 +225,38 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
 
         public void Post(UUID assetID, UUID ownerID)
         {
-            if (!HyperlinkService.IsLocalUser(ownerID))
-            {
                 // Post the item from the local AssetCache onto the remote asset server
                 // and place an entry in m_assetMap
 
-                string userAssetURL = UserAssetURL(ownerID);
-                if (userAssetURL != null)
+            string userAssetURL = HyperlinkAssets.GetUserAssetServer(ownerID);
+            if ((userAssetURL != string.Empty) && (userAssetURL != HyperlinkAssets.GetSimAssetServer()))
+            {
+                m_log.Debug("[HGScene]: Posting object " + assetID + " to asset server " + userAssetURL);
+                AssetBase asset = m_scene.AssetService.Get(assetID.ToString());
+                if (asset != null)
                 {
-                    m_log.Debug("[HGScene]: Posting object " + assetID + " to asset server " + userAssetURL);
-                    AssetBase asset = m_scene.AssetService.Get(assetID.ToString());
-                    if (asset != null)
+                    Dictionary<UUID, int> ids = new Dictionary<UUID, int>();
+                    HGUuidGatherer uuidGatherer = new HGUuidGatherer(this, m_scene.AssetService, string.Empty);
+                    uuidGatherer.GatherAssetUuids(asset.FullID, (AssetType)asset.Type, ids);
+                    foreach (UUID uuid in ids.Keys)
                     {
-                        Dictionary<UUID, int> ids = new Dictionary<UUID, int>();
-                        HGUuidGatherer uuidGatherer = new HGUuidGatherer(this, m_scene.AssetService, string.Empty);
-                        uuidGatherer.GatherAssetUuids(asset.FullID, (AssetType)asset.Type, ids);
-                        foreach (UUID uuid in ids.Keys)
-                        {
-                            asset = m_scene.AssetService.Get(uuid.ToString());
-                            if (asset != null)
-                                m_log.DebugFormat("[HGScene]: Posting {0} {1}", asset.Type.ToString(), asset.Name);
-                            else
-                                m_log.DebugFormat("[HGScene]: Could not find asset {0}", uuid);
+                        asset = m_scene.AssetService.Get(uuid.ToString());
+                        if (asset == null)
+                            m_log.DebugFormat("[HGScene]: Could not find asset {0}", uuid);
+                        else
                             PostAsset(userAssetURL, asset);
-                        }
+                    }
 
-                        if (ids.Count > 0) // maybe it succeeded...
-                            m_log.DebugFormat("[HGScene]: Successfully posted item {0} to remote asset server {1}", assetID, userAssetURL);
-                        else
-                            m_log.WarnFormat("[HGScene]: Could not post asset {0} to remote asset server {1}", assetID, userAssetURL);
+                     // maybe all pieces got there...
+                    m_log.DebugFormat("[HGScene]: Successfully posted item {0} to asset server {1}", assetID, userAssetURL);
 
-                    }
-                    else
-                        m_log.Debug("[HGScene]: Something wrong with asset, it could not be found");
                 }
                 else
-                    m_log.Warn("[HGScene]: Unable to locate foreign user's asset server");
-
+                    m_log.DebugFormat("[HGScene]: Something wrong with asset {0}, it could not be found", assetID);
             }
+            else
+                m_log.Debug("[HGScene]: user's asset server is local region's asset server");
+
         }
 
         #endregion
diff --git a/OpenSim/Region/Framework/Scenes/Hypergrid/HGScene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Hypergrid/HGScene.Inventory.cs
index 8fe3565..6f7f34f 100644
--- a/OpenSim/Region/Framework/Scenes/Hypergrid/HGScene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Hypergrid/HGScene.Inventory.cs
@@ -32,6 +32,7 @@ using OpenMetaverse;
 using OpenSim.Framework;
 using OpenSim.Framework.Communications;
 using OpenSim.Framework.Communications.Cache;
+using OpenSim.Region.Framework.Interfaces;
 
 namespace OpenSim.Region.Framework.Scenes.Hypergrid
 {
@@ -41,6 +42,21 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private HGAssetMapper m_assMapper;
+        public HGAssetMapper AssetMapper
+        {
+            get { return m_assMapper; }
+        }
+
+        private IHyperAssetService m_hyper;
+        private IHyperAssetService HyperAssets
+        {
+            get
+            {
+                if (m_hyper == null)
+                    m_hyper = RequestModuleInterface<IHyperAssetService>();
+                return m_hyper;
+            }
+        }
 
         #endregion
 
@@ -140,6 +156,16 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
 
         }
 
+        protected override void TransferInventoryAssets(InventoryItemBase item, UUID sender, UUID receiver)
+        {
+            string userAssetServer = HyperAssets.GetUserAssetServer(sender);
+            if ((userAssetServer != string.Empty) && (userAssetServer != HyperAssets.GetSimAssetServer()))
+                m_assMapper.Get(item.AssetID, sender);
+
+            userAssetServer = HyperAssets.GetUserAssetServer(receiver);
+            if ((userAssetServer != string.Empty) && (userAssetServer != HyperAssets.GetSimAssetServer()))
+                m_assMapper.Post(item.AssetID, receiver);
+        }
 
         #endregion
 
diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index 1917228..0cb5682 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -408,7 +408,7 @@ namespace OpenSim.Region.Framework.Scenes
         public virtual InventoryItemBase GiveInventoryItem(
             UUID recipient, UUID senderId, UUID itemId, UUID recipientFolderId)
         {
-            Console.WriteLine("Scene.Inventory.cs: GiveInventoryItem");
+            //Console.WriteLine("Scene.Inventory.cs: GiveInventoryItem");
 
             InventoryItemBase item = new InventoryItemBase(itemId, senderId);
             item = InventoryService.GetItem(item);
@@ -472,7 +472,8 @@ namespace OpenSim.Region.Framework.Scenes
                 itemCopy.SalePrice = item.SalePrice;
                 itemCopy.SaleType = item.SaleType;
 
-                InventoryService.AddItem(itemCopy);
+                if (InventoryService.AddItem(itemCopy))
+                    TransferInventoryAssets(itemCopy, senderId, recipient);
 
                 if (!Permissions.BypassPermissions())
                 {
@@ -494,6 +495,10 @@ namespace OpenSim.Region.Framework.Scenes
 
         }
 
+        protected virtual void TransferInventoryAssets(InventoryItemBase item, UUID sender, UUID receiver)
+        {
+        }
+
         /// <summary>
         /// Give an entire inventory folder from one user to another.  The entire contents (including all descendent
         /// folders) is given.
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 1ca0267..9f14761 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -1772,36 +1772,86 @@ namespace OpenSim.Region.Framework.Scenes
 
             Vector3 pos = attemptedPosition;
 
+            int changeX = 1;
+            int changeY = 1;
+
             if (TestBorderCross(attemptedPosition + WestCross, Cardinals.W))
             {
                 if (TestBorderCross(attemptedPosition + SouthCross, Cardinals.S))
                 {
-                    //Border crossedBorderx = GetCrossedBorder(attemptedPosition,Cardinals.W);
-                    //Border crossedBordery = GetCrossedBorder(attemptedPosition, Cardinals.S);
+
+                    Border crossedBorderx = GetCrossedBorder(attemptedPosition + WestCross, Cardinals.W);
+
+                    if (crossedBorderx.BorderLine.Z > 0)
+                    {
+                        pos.X = ((pos.X + crossedBorderx.BorderLine.Z));
+                        changeX = (int)(crossedBorderx.BorderLine.Z /(int) Constants.RegionSize);
+                    }
+                    else
+                        pos.X = ((pos.X + Constants.RegionSize));
+
+                    Border crossedBordery = GetCrossedBorder(attemptedPosition + SouthCross, Cardinals.S);
                     //(crossedBorderx.BorderLine.Z / (int)Constants.RegionSize)
-                    pos.X = ((pos.X + Constants.RegionSize));
-                    pos.Y = ((pos.Y + Constants.RegionSize));
+
+                    if (crossedBordery.BorderLine.Z > 0)
+                    {
+                        pos.Y = ((pos.Y + crossedBordery.BorderLine.Z));
+                    }
+                    else
+                        pos.Y = ((pos.Y + Constants.RegionSize));
+
+
+                    
                     newRegionHandle
-                        = Util.UIntsToLong((uint)((thisx - 1) * Constants.RegionSize),
-                                           (uint)((thisy - 1) * Constants.RegionSize));
+                        = Util.UIntsToLong((uint)((thisx - changeX) * Constants.RegionSize),
+                                           (uint)((thisy - changeY) * Constants.RegionSize));
                     // x - 1
                     // y - 1
                 }
                 else if (TestBorderCross(attemptedPosition + NorthCross, Cardinals.N))
                 {
-                    pos.X = ((pos.X + Constants.RegionSize));
-                    pos.Y = ((pos.Y - Constants.RegionSize));
+                    Border crossedBorderx = GetCrossedBorder(attemptedPosition + WestCross, Cardinals.W);
+
+                    if (crossedBorderx.BorderLine.Z > 0)
+                    {
+                        pos.X = ((pos.X + crossedBorderx.BorderLine.Z));
+                        changeX = (int)(crossedBorderx.BorderLine.Z / (int)Constants.RegionSize);
+                    }
+                    else
+                        pos.X = ((pos.X + Constants.RegionSize));
+
+
+                    Border crossedBordery = GetCrossedBorder(attemptedPosition + SouthCross, Cardinals.S);
+                    //(crossedBorderx.BorderLine.Z / (int)Constants.RegionSize)
+
+                    if (crossedBordery.BorderLine.Z > 0)
+                    {
+                        pos.Y = ((pos.Y + crossedBordery.BorderLine.Z));
+                        changeY = (int)(crossedBordery.BorderLine.Z / (int)Constants.RegionSize);
+                    }
+                    else
+                        pos.Y = ((pos.Y + Constants.RegionSize));
+
                     newRegionHandle
-                        = Util.UIntsToLong((uint)((thisx - 1) * Constants.RegionSize),
-                                           (uint)((thisy + 1) * Constants.RegionSize));
+                        = Util.UIntsToLong((uint)((thisx - changeX) * Constants.RegionSize),
+                                           (uint)((thisy + changeY) * Constants.RegionSize));
                     // x - 1
                     // y + 1
                 }
                 else
                 {
-                    pos.X = ((pos.X + Constants.RegionSize));
+                    Border crossedBorderx = GetCrossedBorder(attemptedPosition + WestCross, Cardinals.W);
+
+                    if (crossedBorderx.BorderLine.Z > 0)
+                    {
+                        pos.X = ((pos.X + crossedBorderx.BorderLine.Z));
+                        changeX = (int)(crossedBorderx.BorderLine.Z / (int)Constants.RegionSize);
+                    }
+                    else
+                        pos.X = ((pos.X + Constants.RegionSize));
+                       
                     newRegionHandle
-                        = Util.UIntsToLong((uint) ((thisx - 1)*Constants.RegionSize),
+                        = Util.UIntsToLong((uint)((thisx - changeX) * Constants.RegionSize),
                                            (uint) (thisy*Constants.RegionSize));
                     // x - 1
                 }
@@ -1810,11 +1860,23 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (TestBorderCross(attemptedPosition + SouthCross, Cardinals.S))
                 {
+                    
                     pos.X = ((pos.X - Constants.RegionSize));
-                    pos.Y = ((pos.Y + Constants.RegionSize));
+                    Border crossedBordery = GetCrossedBorder(attemptedPosition + SouthCross, Cardinals.S);
+                    //(crossedBorderx.BorderLine.Z / (int)Constants.RegionSize)
+
+                    if (crossedBordery.BorderLine.Z > 0)
+                    {
+                        pos.Y = ((pos.Y + crossedBordery.BorderLine.Z));
+                        changeY = (int)(crossedBordery.BorderLine.Z / (int)Constants.RegionSize);
+                    }
+                    else
+                        pos.Y = ((pos.Y + Constants.RegionSize));
+                    
+                    
                     newRegionHandle
-                        = Util.UIntsToLong((uint)((thisx + 1) * Constants.RegionSize),
-                                           (uint)((thisy - 1) * Constants.RegionSize));
+                        = Util.UIntsToLong((uint)((thisx + changeX) * Constants.RegionSize),
+                                           (uint)((thisy - changeY) * Constants.RegionSize));
                     // x + 1
                     // y - 1
                 }
@@ -1823,8 +1885,8 @@ namespace OpenSim.Region.Framework.Scenes
                     pos.X = ((pos.X - Constants.RegionSize));
                     pos.Y = ((pos.Y - Constants.RegionSize));
                     newRegionHandle
-                        = Util.UIntsToLong((uint)((thisx + 1) * Constants.RegionSize),
-                                           (uint)((thisy + 1) * Constants.RegionSize));
+                        = Util.UIntsToLong((uint)((thisx + changeX) * Constants.RegionSize),
+                                           (uint)((thisy + changeY) * Constants.RegionSize));
                     // x + 1
                     // y + 1
                 }
@@ -1832,16 +1894,26 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     pos.X = ((pos.X - Constants.RegionSize));
                     newRegionHandle
-                        = Util.UIntsToLong((uint) ((thisx + 1)*Constants.RegionSize),
+                        = Util.UIntsToLong((uint)((thisx + changeX) * Constants.RegionSize),
                                            (uint) (thisy*Constants.RegionSize));
                     // x + 1
                 }
             } 
             else if (TestBorderCross(attemptedPosition + SouthCross, Cardinals.S))
             {
-                pos.Y = ((pos.Y + Constants.RegionSize));
+                Border crossedBordery = GetCrossedBorder(attemptedPosition + SouthCross, Cardinals.S);
+                //(crossedBorderx.BorderLine.Z / (int)Constants.RegionSize)
+
+                if (crossedBordery.BorderLine.Z > 0)
+                {
+                    pos.Y = ((pos.Y + crossedBordery.BorderLine.Z));
+                    changeY = (int)(crossedBordery.BorderLine.Z / (int)Constants.RegionSize);
+                }
+                else
+                    pos.Y = ((pos.Y + Constants.RegionSize));
+
                 newRegionHandle
-                    = Util.UIntsToLong((uint)(thisx * Constants.RegionSize), (uint)((thisy - 1) * Constants.RegionSize));
+                    = Util.UIntsToLong((uint)(thisx * Constants.RegionSize), (uint)((thisy - changeY) * Constants.RegionSize));
                 // y - 1
             }
             else if (TestBorderCross(attemptedPosition + NorthCross, Cardinals.N))
@@ -1849,7 +1921,7 @@ namespace OpenSim.Region.Framework.Scenes
                 
                 pos.Y = ((pos.Y - Constants.RegionSize));
                 newRegionHandle
-                    = Util.UIntsToLong((uint)(thisx * Constants.RegionSize), (uint)((thisy + 1) * Constants.RegionSize));
+                    = Util.UIntsToLong((uint)(thisx * Constants.RegionSize), (uint)((thisy + changeY) * Constants.RegionSize));
                 // y + 1
             }
 
diff --git a/OpenSim/Services/Connectors/Inventory/HGInventoryServiceConnector.cs b/OpenSim/Services/Connectors/Inventory/HGInventoryServiceConnector.cs
index 1004fb9..9878855 100644
--- a/OpenSim/Services/Connectors/Inventory/HGInventoryServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Inventory/HGInventoryServiceConnector.cs
@@ -299,6 +299,7 @@ namespace OpenSim.Services.Connectors.Inventory
 
             if (StringToUrlAndUserID(id, out url, out userID))
             {
+                //m_log.DebugFormat("[HGInventory CONNECTOR]: calling {0}", url);
                 ISessionAuthInventoryService connector = GetConnector(url);
                 return connector.QueryItem(userID, item, sessionID);
             }
diff --git a/OpenSim/Services/Interfaces/IGridService.cs b/OpenSim/Services/Interfaces/IGridService.cs
index 14560b1..e69e4cd 100644
--- a/OpenSim/Services/Interfaces/IGridService.cs
+++ b/OpenSim/Services/Interfaces/IGridService.cs
@@ -200,6 +200,12 @@ namespace OpenSim.Services.Interfaces
             Maturity = ConvertFrom.RegionSettings.Maturity;
             RegionSecret = ConvertFrom.regionSecret;
             EstateOwner = ConvertFrom.EstateSettings.EstateOwner;
+            if (EstateOwner == UUID.Zero)
+            {
+                EstateOwner = ConvertFrom.MasterAvatarAssignedUUID;
+                ConvertFrom.EstateSettings.EstateOwner = EstateOwner;
+                ConvertFrom.EstateSettings.Save();
+            }
         }
 
         public GridRegion(GridRegion ConvertFrom)
diff --git a/bin/config-include/FlotsamCache.ini.example b/bin/config-include/FlotsamCache.ini.example
index abb3b9a..b50d7ec 100644
--- a/bin/config-include/FlotsamCache.ini.example
+++ b/bin/config-include/FlotsamCache.ini.example
@@ -50,3 +50,10 @@
 
     ; Warning level for cache directory size
     ;CacheWarnAt = 30000
+        
+        ; Perform a deep scan of all assets within all regions, looking for all assets
+        ; present or referenced.  Mark all assets found that are already present in the
+        ; cache, and request all assets that are found that are not already cached (this
+        ; will cause those assets to be cached)
+        ;
+        ; DeepScanBeforePurge = false