Merge branch 'master' into careminster

Conflicts: OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs OpenSim/Region/ClientStack/Linden/Caps/UploadBakedTextureModule.cs OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs OpenSim/Region/CoreModules/Framework/Caps/CapabilitiesModule.cs OpenSim/Region/CoreModules/Scripting/HttpRequest/ScriptsHttpRequests.cs OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/LocalSimulationConnector.cs OpenSim/Region/Framework/Scenes/Scene.cs OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs OpenSim/Region/Framework/Scenes/SceneObjectPart.cs OpenSim/Region/Framework/Scenes/ScenePresence.cs OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs OpenSim/Server/Handlers/Simulation/AgentHandlers.cs OpenSim/Services/Connectors/Asset/AssetServicesConnector.cs OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs OpenSim/Services/HypergridService/UserAgentService.cs
author: Melanie 2013-07-18 10:08:10 +0100
committer: Melanie 2013-07-18 10:08:10 +0100
commit: 7830cc995471120892a24a39e86283774fa07c4c (patch)
tree: d3f46b4f3ce95bb8572511c6f12c9f8ca86922c8 /OpenSim/Region
parent: Merge branch 'master' into careminster (diff)
parent: Document obscure Groups config related to the user level required for creatin... (diff)
download: opensim-SC_OLD-7830cc995471120892a24a39e86283774fa07c4c.zip
opensim-SC_OLD-7830cc995471120892a24a39e86283774fa07c4c.tar.gz
opensim-SC_OLD-7830cc995471120892a24a39e86283774fa07c4c.tar.bz2
opensim-SC_OLD-7830cc995471120892a24a39e86283774fa07c4c.tar.xz
65 files changed, 1848 insertions, 936 deletions
diff --git a/OpenSim/Region/Application/OpenSimBase.cs b/OpenSim/Region/Application/OpenSimBase.cs
index 11cacac..db76529 100644
--- a/OpenSim/Region/Application/OpenSimBase.cs
+++ b/OpenSim/Region/Application/OpenSimBase.cs
@@ -843,73 +843,49 @@ namespace OpenSim
        /// <summary>
        /// Handler to supply the current status of this sim
        /// </summary>
+        /// <remarks>
        /// Currently this is always OK if the simulator is still listening for connections on its HTTP service
-        public class SimStatusHandler : IStreamedRequestHandler
+        /// </remarks>
+        public class SimStatusHandler : BaseStreamHandler
        {
-            public byte[] Handle(string path, Stream request,
+            public SimStatusHandler() : base("GET", "/simstatus", "SimStatus", "Simulator Status") {}
+            protected override byte[] ProcessRequest(string path, Stream request,
                                 IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
            {
                return Util.UTF8.GetBytes("OK");
            }
-            public string Name { get { return "SimStatus"; } }
+            public override string ContentType
-            public string Description { get { return "Simulator Status"; } }
-            public string ContentType
            {
                get { return "text/plain"; }
            }
-            public string HttpMethod
-            {
-                get { return "GET"; }
-            }
-            public string Path
-            {
-                get { return "/simstatus"; }
-            }
        }
        /// <summary>
        /// Handler to supply the current extended status of this sim
        /// Sends the statistical data in a json serialization 
        /// </summary>
-        public class XSimStatusHandler : IStreamedRequestHandler
+        public class XSimStatusHandler : BaseStreamHandler
        {
            OpenSimBase m_opensim;
-            string osXStatsURI = String.Empty;
-            public string Name { get { return "XSimStatus"; } }
-            public string Description { get { return "Simulator XStatus"; } }
        
-            public XSimStatusHandler(OpenSimBase sim)
+            public XSimStatusHandler(OpenSimBase sim) 
+                : base("GET", "/" + Util.SHA1Hash(sim.osSecret), "XSimStatus", "Simulator XStatus")
            {
                m_opensim = sim;
-                osXStatsURI = Util.SHA1Hash(sim.osSecret);
            }
            
-            public byte[] Handle(string path, Stream request,
+            protected override byte[] ProcessRequest(string path, Stream request,
                                 IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
            {
                return Util.UTF8.GetBytes(m_opensim.StatReport(httpRequest));
            }
-            public string ContentType
+            public override string ContentType
            {
                get { return "text/plain"; }
            }
-            public string HttpMethod
-            {
-                get { return "GET"; }
-            }
-            public string Path
-            {
-                // This is for the OpenSimulator instance and is the osSecret hashed
-                get { return "/" + osXStatsURI; }
-            }
        }
        /// <summary>
@@ -918,42 +894,26 @@ namespace OpenSim
        /// If the request contains a key, "callback" the response will be wrappend in the 
        /// associated value for jsonp used with ajax/javascript
        /// </summary>
-        public class UXSimStatusHandler : IStreamedRequestHandler
+        protected class UXSimStatusHandler : BaseStreamHandler
        {
            OpenSimBase m_opensim;
-            string osUXStatsURI = String.Empty;
-            public string Name { get { return "UXSimStatus"; } }
-            public string Description { get { return "Simulator UXStatus"; } }
        
            public UXSimStatusHandler(OpenSimBase sim)
+                : base("GET", "/" + sim.userStatsURI, "UXSimStatus", "Simulator UXStatus")
            {
-                m_opensim = sim;
+                m_opensim = sim;                
-                osUXStatsURI = sim.userStatsURI;
-                
            }
            
-            public byte[] Handle(string path, Stream request,
+            protected override byte[] ProcessRequest(string path, Stream request,
                                 IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
            {
                return Util.UTF8.GetBytes(m_opensim.StatReport(httpRequest));
            }
-            public string ContentType
+            public override string ContentType
            {
                get { return "text/plain"; }
            }
-            public string HttpMethod
-            {
-                get { return "GET"; }
-            }
-            public string Path
-            {
-                // This is for the OpenSimulator instance and is the user provided URI 
-                get { return "/" + osUXStatsURI; }
-            }
        }
        #endregion
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
index 8241e07..98ab433 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
@@ -282,13 +282,19 @@ namespace OpenSim.Region.ClientStack.Linden
                m_HostCapsObj.RegisterHandler("UpdateNotecardAgentInventory", req);
                m_HostCapsObj.RegisterHandler("UpdateScriptAgentInventory", req);
                m_HostCapsObj.RegisterHandler("UpdateScriptAgent", req);
-                IRequestHandler getObjectPhysicsDataHandler = new RestStreamHandler("POST", capsBase + m_getObjectPhysicsDataPath, GetObjectPhysicsData);
+                IRequestHandler getObjectPhysicsDataHandler 
+                    = new RestStreamHandler(
+                        "POST", capsBase + m_getObjectPhysicsDataPath, GetObjectPhysicsData, "GetObjectPhysicsData", null);
                m_HostCapsObj.RegisterHandler("GetObjectPhysicsData", getObjectPhysicsDataHandler);
                IRequestHandler getObjectCostHandler = new RestStreamHandler("POST", capsBase + m_getObjectCostPath, GetObjectCost);
                m_HostCapsObj.RegisterHandler("GetObjectCost", getObjectCostHandler);
                IRequestHandler ResourceCostSelectedHandler = new RestStreamHandler("POST", capsBase + m_ResourceCostSelectedPath, ResourceCostSelected);
                m_HostCapsObj.RegisterHandler("ResourceCostSelected", ResourceCostSelectedHandler);       
-                IRequestHandler UpdateAgentInformationHandler = new RestStreamHandler("POST", capsBase + m_UpdateAgentInformationPath, UpdateAgentInformation);
+                IRequestHandler UpdateAgentInformationHandler
+                    = new RestStreamHandler(
+                        "POST", capsBase + m_UpdateAgentInformationPath, UpdateAgentInformation, "UpdateAgentInformation", null);
                m_HostCapsObj.RegisterHandler("UpdateAgentInformation", UpdateAgentInformationHandler);
                m_HostCapsObj.RegisterHandler(
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs
index eb40eb1..d6689d4 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs
@@ -366,7 +366,8 @@ namespace OpenSim.Region.ClientStack.Linden
            // EventQueueGet when it receive capability information, but then we replace the rest handler immediately
            // afterwards with the poll service.  So for now, we'll pass a null instead to simplify code reading, but
            // really it should be possible to directly register the poll handler as a capability.
-            caps.RegisterHandler("EventQueueGet", new RestHTTPHandler("POST", eventQueueGetPath, null));
+            caps.RegisterHandler(
+                "EventQueueGet", new RestHTTPHandler("POST", eventQueueGetPath, null, "EventQueueGet", null));
 //                                                       delegate(Hashtable m_dhttpMethod)
 //                                                       {
 //                                                           return ProcessQueue(m_dhttpMethod, agentID, caps);
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/RegionConsoleModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/RegionConsoleModule.cs
index 79d56c4..5196368 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/RegionConsoleModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/RegionConsoleModule.cs
@@ -183,7 +183,7 @@ namespace OpenSim.Region.ClientStack.Linden
            m_isGod = m_scene.Permissions.IsGod(agentID);
        }
-        public override byte[] Handle(string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
+        protected override byte[] ProcessRequest(string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
        {
            StreamReader reader = new StreamReader(request);
            string message = reader.ReadToEnd();
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/UploadBakedTextureModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/UploadBakedTextureModule.cs
index eca576d..674b451 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/UploadBakedTextureModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/UploadBakedTextureModule.cs
@@ -64,11 +64,18 @@ namespace OpenSim.Region.ClientStack.Linden
        private Scene m_scene;
        private bool m_persistBakedTextures;
+        private string m_URL;
        private IBakedTextureModule m_BakedTextureModule;
        public void Initialise(IConfigSource source)
        {
+            IConfig config = source.Configs["ClientStack.LindenCaps"];
+            if (config == null)
+                return;
+            m_URL = config.GetString("Cap_UploadBakedTexture", string.Empty);
            IConfig appearanceConfig = source.Configs["Appearance"];
            if (appearanceConfig != null)
                m_persistBakedTextures = appearanceConfig.GetBoolean("PersistBakedTextures", m_persistBakedTextures);
@@ -283,20 +290,26 @@ namespace OpenSim.Region.ClientStack.Linden
            UploadBakedTextureHandler avatarhandler = new UploadBakedTextureHandler(
                caps, m_scene.AssetService, m_persistBakedTextures);
-           
+            UUID capID = UUID.Random();
-            
-            caps.RegisterHandler(
-                "UploadBakedTexture",
-                new RestStreamHandler(
-                    "POST",
-                    "/CAPS/" + caps.CapsObjectPath + m_uploadBakedTexturePath,
-                    avatarhandler.UploadBakedTexture,
-                    "UploadBakedTexture",
-                    agentID.ToString()));
-           
+            //caps.RegisterHandler("GetTexture", new StreamHandler("GET", "/CAPS/" + capID, ProcessGetTexture));
-            
+            if (m_URL == "localhost")
+            {
+                caps.RegisterHandler(
+                    "UploadBakedTexture",
+                    new RestStreamHandler(
+                        "POST",
+                        "/CAPS/" + caps.CapsObjectPath + m_uploadBakedTexturePath,
+                        avatarhandler.UploadBakedTexture,
+                        "UploadBakedTexture",
+                        agentID.ToString()));
+                
+            }
+            else
+            {
+                caps.RegisterHandler("UploadBakedTexture", m_URL);
+            }
        }
    }
-}
-\ No newline at end of file
+}
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/WebFetchInvDescModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/WebFetchInvDescModule.cs
index bba8ff1..27b09a6 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/WebFetchInvDescModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/WebFetchInvDescModule.cs
@@ -349,6 +349,8 @@ namespace OpenSim.Region.ClientStack.Linden
        {
            while (true)
            {
+                Watchdog.UpdateThread();
                aPollRequest poolreq = m_queue.Dequeue();
                poolreq.thepoll.Process(poolreq);
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index 45c901e..dfad485 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -710,12 +710,22 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                //there is a local handler for this packet type
                if (pprocessor.Async)
                {
+                    ClientInfo cinfo = UDPClient.GetClientInfo();
+                    if (!cinfo.AsyncRequests.ContainsKey(packet.Type.ToString()))
+                        cinfo.AsyncRequests[packet.Type.ToString()] = 0;
+                    cinfo.AsyncRequests[packet.Type.ToString()]++;
                    object obj = new AsyncPacketProcess(this, pprocessor.method, packet);
                    Util.FireAndForget(ProcessSpecificPacketAsync, obj);
                    result = true;
                }
                else
                {
+                    ClientInfo cinfo = UDPClient.GetClientInfo();
+                    if (!cinfo.SyncRequests.ContainsKey(packet.Type.ToString()))
+                        cinfo.SyncRequests[packet.Type.ToString()] = 0;
+                    cinfo.SyncRequests[packet.Type.ToString()]++;
                    result = pprocessor.method(this, packet);
                }
            }
@@ -730,6 +740,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                }
                if (found)
                {
+                    ClientInfo cinfo = UDPClient.GetClientInfo();
+                    if (!cinfo.GenericRequests.ContainsKey(packet.Type.ToString()))
+                        cinfo.GenericRequests[packet.Type.ToString()] = 0;
+                    cinfo.GenericRequests[packet.Type.ToString()]++;
                    result = method(this, packet);
                }
            }
@@ -5376,7 +5391,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            AddLocalPacketHandler(PacketType.RezObject, HandlerRezObject);
            AddLocalPacketHandler(PacketType.DeRezObject, HandlerDeRezObject);
            AddLocalPacketHandler(PacketType.ModifyLand, HandlerModifyLand);
-            AddLocalPacketHandler(PacketType.RegionHandshakeReply, HandlerRegionHandshakeReply);
+            AddLocalPacketHandler(PacketType.RegionHandshakeReply, HandlerRegionHandshakeReply, false);
            AddLocalPacketHandler(PacketType.AgentWearablesRequest, HandlerAgentWearablesRequest);
            AddLocalPacketHandler(PacketType.AgentSetAppearance, HandlerAgentSetAppearance);
            AddLocalPacketHandler(PacketType.AgentIsNowWearing, HandlerAgentIsNowWearing);
@@ -5437,8 +5452,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            AddLocalPacketHandler(PacketType.ScriptAnswerYes, HandleScriptAnswerYes, false);
            AddLocalPacketHandler(PacketType.ObjectClickAction, HandleObjectClickAction, false);
            AddLocalPacketHandler(PacketType.ObjectMaterial, HandleObjectMaterial, false);
-            AddLocalPacketHandler(PacketType.RequestImage, HandleRequestImage);
+            AddLocalPacketHandler(PacketType.RequestImage, HandleRequestImage, false);
-            AddLocalPacketHandler(PacketType.TransferRequest, HandleTransferRequest);
+            AddLocalPacketHandler(PacketType.TransferRequest, HandleTransferRequest, false);
            AddLocalPacketHandler(PacketType.AssetUploadRequest, HandleAssetUploadRequest);
            AddLocalPacketHandler(PacketType.RequestXfer, HandleRequestXfer);
            AddLocalPacketHandler(PacketType.SendXferPacket, HandleSendXferPacket);
@@ -5470,7 +5485,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            AddLocalPacketHandler(PacketType.TeleportCancel, HandleTeleportCancel);
            AddLocalPacketHandler(PacketType.TeleportLocationRequest, HandleTeleportLocationRequest);
            AddLocalPacketHandler(PacketType.UUIDNameRequest, HandleUUIDNameRequest, false);
-            AddLocalPacketHandler(PacketType.RegionHandleRequest, HandleRegionHandleRequest);
+            AddLocalPacketHandler(PacketType.RegionHandleRequest, HandleRegionHandleRequest, false);
            AddLocalPacketHandler(PacketType.ParcelInfoRequest, HandleParcelInfoRequest);
            AddLocalPacketHandler(PacketType.ParcelAccessListRequest, HandleParcelAccessListRequest, false);
            AddLocalPacketHandler(PacketType.ParcelAccessListUpdate, HandleParcelAccessListUpdate, false);
@@ -7868,129 +7883,145 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            //m_log.Debug("ClientView.ProcessPackets.cs:ProcessInPacket() - Got transfer request");
            TransferRequestPacket transfer = (TransferRequestPacket)Pack;
-            //m_log.Debug("Transfer Request: " + transfer.ToString());
-            // Validate inventory transfers
-            // Has to be done here, because AssetCache can't do it
-            //
            UUID taskID = UUID.Zero;
            if (transfer.TransferInfo.SourceType == (int)SourceType.SimInventoryItem)
            {
-                taskID = new UUID(transfer.TransferInfo.Params, 48);
-                UUID itemID = new UUID(transfer.TransferInfo.Params, 64);
-                UUID requestID = new UUID(transfer.TransferInfo.Params, 80);
-//                m_log.DebugFormat(
-//                    "[CLIENT]: Got request for asset {0} from item {1} in prim {2} by {3}",
-//                    requestID, itemID, taskID, Name);
                if (!(((Scene)m_scene).Permissions.BypassPermissions()))
                {
-                    if (taskID != UUID.Zero) // Prim
+                    // We're spawning a thread because the permissions check can block this thread
+                    Util.FireAndForget(delegate
                    {
-                        SceneObjectPart part = ((Scene)m_scene).GetSceneObjectPart(taskID);
+                        // This requests the asset if needed
+                        HandleSimInventoryTransferRequestWithPermsCheck(sender, transfer);
+                    });
+                    return true;
+                }
+            }
+            else if (transfer.TransferInfo.SourceType == (int)SourceType.SimEstate)
+            {
+                //TransferRequestPacket does not include covenant uuid?
+                //get scene covenant uuid
+                taskID = m_scene.RegionInfo.RegionSettings.Covenant;
+            }
-                        if (part == null)
+            // This is non-blocking
-                        {
+            MakeAssetRequest(transfer, taskID);
-                            m_log.WarnFormat(
-                                "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but prim does not exist",
-                                Name, requestID, itemID, taskID);
-                            return true;
-                        }
-                        TaskInventoryItem tii = part.Inventory.GetInventoryItem(itemID);
+            return true;
-                        if (tii == null)
+        }
-                        {
-                            m_log.WarnFormat(
-                                "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but item does not exist",
-                                Name, requestID, itemID, taskID);
-                            return true;
-                        }
-                        if (tii.Type == (int)AssetType.LSLText)
+        private void HandleSimInventoryTransferRequestWithPermsCheck(IClientAPI sender, TransferRequestPacket transfer)
-                        {
+        {
-                            if (!((Scene)m_scene).Permissions.CanEditScript(itemID, taskID, AgentId))
+            UUID taskID = new UUID(transfer.TransferInfo.Params, 48);
-                                return true;
+            UUID itemID = new UUID(transfer.TransferInfo.Params, 64);
-                        }
+            UUID requestID = new UUID(transfer.TransferInfo.Params, 80);
-                        else if (tii.Type == (int)AssetType.Notecard)
-                        {
-                            if (!((Scene)m_scene).Permissions.CanEditNotecard(itemID, taskID, AgentId))
-                                return true;
-                        }
-                        else
-                        {
-                            // TODO: Change this code to allow items other than notecards and scripts to be successfully
-                            // shared with group.  In fact, this whole block of permissions checking should move to an IPermissionsModule
-                            if (part.OwnerID != AgentId)
-                            {
-                                m_log.WarnFormat(
-                                    "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but the prim is owned by {4}",
-                                    Name, requestID, itemID, taskID, part.OwnerID);
-                                return true;
-                            }
-                            if ((part.OwnerMask & (uint)PermissionMask.Modify) == 0)
+            //m_log.DebugFormat(
-                            {
+            //    "[CLIENT]: Got request for asset {0} from item {1} in prim {2} by {3}",
-                                m_log.WarnFormat(
+            //    requestID, itemID, taskID, Name);
-                                    "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but modify permissions are not set",
-                                    Name, requestID, itemID, taskID);
-                                return true;
-                            }
-                            if (tii.OwnerID != AgentId)
+            //m_log.Debug("Transfer Request: " + transfer.ToString());
-                            {
+            // Validate inventory transfers
-                                m_log.WarnFormat(
+            // Has to be done here, because AssetCache can't do it
-                                    "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but the item is owned by {4}",
+            //
-                                    Name, requestID, itemID, taskID, tii.OwnerID);
+            if (taskID != UUID.Zero) // Prim
-                                return true;
+            {
-                            }
+                SceneObjectPart part = ((Scene)m_scene).GetSceneObjectPart(taskID);
-                            if ((
+                if (part == null)
-                                tii.CurrentPermissions & ((uint)PermissionMask.Modify | (uint)PermissionMask.Copy | (uint)PermissionMask.Transfer))
+                {
-                                    != ((uint)PermissionMask.Modify | (uint)PermissionMask.Copy | (uint)PermissionMask.Transfer))
+                    m_log.WarnFormat(
-                            {
+                        "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but prim does not exist",
-                                m_log.WarnFormat(
+                        Name, requestID, itemID, taskID);
-                                    "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but item permissions are not modify/copy/transfer",
+                    return;
-                                    Name, requestID, itemID, taskID);
+                }
-                                return true;
-                            }
-                            if (tii.AssetID != requestID)
+                TaskInventoryItem tii = part.Inventory.GetInventoryItem(itemID);
-                            {
+                if (tii == null)
-                                m_log.WarnFormat(
+                {
-                                    "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but this does not match item's asset {4}",
+                    m_log.WarnFormat(
-                                    Name, requestID, itemID, taskID, tii.AssetID);
+                        "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but item does not exist",
-                                return true;
+                        Name, requestID, itemID, taskID);
-                            }
+                    return;
-                        }
+                }
+                if (tii.Type == (int)AssetType.LSLText)
+                {
+                    if (!((Scene)m_scene).Permissions.CanEditScript(itemID, taskID, AgentId))
+                        return;
+                }
+                else if (tii.Type == (int)AssetType.Notecard)
+                {
+                    if (!((Scene)m_scene).Permissions.CanEditNotecard(itemID, taskID, AgentId))
+                        return;
+                }
+                else
+                {
+                    // TODO: Change this code to allow items other than notecards and scripts to be successfully
+                    // shared with group.  In fact, this whole block of permissions checking should move to an IPermissionsModule
+                    if (part.OwnerID != AgentId)
+                    {
+                        m_log.WarnFormat(
+                            "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but the prim is owned by {4}",
+                            Name, requestID, itemID, taskID, part.OwnerID);
+                        return;
                    }
-                    else // Agent
+                    if ((part.OwnerMask & (uint)PermissionMask.Modify) == 0)
                    {
-                        IInventoryAccessModule invAccess = m_scene.RequestModuleInterface<IInventoryAccessModule>();
+                        m_log.WarnFormat(
-                        if (invAccess != null)
+                            "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but modify permissions are not set",
-                        {
+                            Name, requestID, itemID, taskID);
-                            if (!invAccess.CanGetAgentInventoryItem(this, itemID, requestID))
+                        return;
-                                return false;
+                    }
-                        }
-                        else
+                    if (tii.OwnerID != AgentId)
-                        {
+                    {
-                            return false;
+                        m_log.WarnFormat(
-                        }
+                            "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but the item is owned by {4}",
+                            Name, requestID, itemID, taskID, tii.OwnerID);
+                        return;
+                    }
+                    if ((
+                        tii.CurrentPermissions & ((uint)PermissionMask.Modify | (uint)PermissionMask.Copy | (uint)PermissionMask.Transfer))
+                            != ((uint)PermissionMask.Modify | (uint)PermissionMask.Copy | (uint)PermissionMask.Transfer))
+                    {
+                        m_log.WarnFormat(
+                            "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but item permissions are not modify/copy/transfer",
+                            Name, requestID, itemID, taskID);
+                        return;
+                    }
+                    if (tii.AssetID != requestID)
+                    {
+                        m_log.WarnFormat(
+                            "[CLIENT]: {0} requested asset {1} from item {2} in prim {3} but this does not match item's asset {4}",
+                            Name, requestID, itemID, taskID, tii.AssetID);
+                        return;
                    }
                }
            }
-            else
+            else // Agent
-                if (transfer.TransferInfo.SourceType == (int)SourceType.SimEstate)
+            {
+                IInventoryAccessModule invAccess = m_scene.RequestModuleInterface<IInventoryAccessModule>();
+                if (invAccess != null)
+                {
+                    if (!invAccess.CanGetAgentInventoryItem(this, itemID, requestID))
+                        return;
+                }
+                else
                {
-                    //TransferRequestPacket does not include covenant uuid?
+                    return;
-                    //get scene covenant uuid
-                    taskID = m_scene.RegionInfo.RegionSettings.Covenant;
                }
+            }
+            // Permissions out of the way, let's request the asset
            MakeAssetRequest(transfer, taskID);
-            return true;
        }
        private bool HandleAssetUploadRequest(IClientAPI sender, Packet Pack)
        {
            AssetUploadRequestPacket request = (AssetUploadRequestPacket)Pack;
@@ -12378,7 +12409,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            ClientInfo info = m_udpClient.GetClientInfo();
            info.proxyEP = null;
-            info.agentcircuit = RequestClientInfo();
+            if (info.agentcircuit == null)
+                info.agentcircuit = RequestClientInfo();
            return info;
        }
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs
index e52ac37..f7ed14d 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs
@@ -160,6 +160,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
        private int m_maxRTO = 60000;
        public bool m_deliverPackets = true;
+        private ClientInfo m_info = new ClientInfo();
        /// <summary>
        /// Default constructor
        /// </summary>
@@ -241,20 +243,17 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            // TODO: This data structure is wrong in so many ways. Locking and copying the entire lists
            // of pending and needed ACKs for every client every time some method wants information about
            // this connection is a recipe for poor performance
-            ClientInfo info = new ClientInfo();
-            info.pendingAcks = new Dictionary<uint, uint>();
+            m_info.resendThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Resend].DripRate;
-            info.needAck = new Dictionary<uint, byte[]>();
+            m_info.landThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Land].DripRate;
+            m_info.windThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Wind].DripRate;
-            info.resendThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Resend].DripRate;
+            m_info.cloudThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Cloud].DripRate;
-            info.landThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Land].DripRate;
+            m_info.taskThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Task].DripRate;
-            info.windThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Wind].DripRate;
+            m_info.assetThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Asset].DripRate;
-            info.cloudThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Cloud].DripRate;
+            m_info.textureThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Texture].DripRate;
-            info.taskThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Task].DripRate;
+            m_info.totalThrottle = (int)m_throttleCategory.DripRate;
-            info.assetThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Asset].DripRate;
-            info.textureThrottle = (int)m_throttleCategories[(int)ThrottleOutPacketType.Texture].DripRate;
+            return m_info;
-            info.totalThrottle = (int)m_throttleCategory.DripRate;
-            return info;
        }
        /// <summary>
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
index 7f14371..77b07ed 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
@@ -1512,6 +1512,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                    {
                        AgentCircuitData aCircuit = m_scene.AuthenticateHandler.GetAgentCircuitData(uccp.CircuitCode.Code);
                        bool tp = (aCircuit.teleportFlags > 0);
+                        // Let's delay this for TP agents, otherwise the viewer doesn't know where to get resources from
                        if (!tp)
                            client.SceneAgent.SendInitialDataToMe();
                    }
@@ -1686,6 +1687,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                {
                    IncomingPacket incomingPacket = null;
+                    /*
                    // HACK: This is a test to try and rate limit packet handling on Mono.
                    // If it works, a more elegant solution can be devised
                    if (Util.FireAndForgetCount() < 2)
@@ -1693,6 +1695,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                        //m_log.Debug("[LLUDPSERVER]: Incoming packet handler is sleeping");
                        Thread.Sleep(30);
                    }
+                     */
                    if (packetInbox.Dequeue(100, ref incomingPacket))
                    {
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/Tests/LLImageManagerTests.cs b/OpenSim/Region/ClientStack/Linden/UDP/Tests/LLImageManagerTests.cs
index a0e0078..83144e3 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/Tests/LLImageManagerTests.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/Tests/LLImageManagerTests.cs
@@ -73,7 +73,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
        }
        [SetUp]
-        public void SetUp()
+        public override void SetUp()
        {
            base.SetUp();
diff --git a/OpenSim/Region/CoreModules/Avatar/Friends/FriendsModule.cs b/OpenSim/Region/CoreModules/Avatar/Friends/FriendsModule.cs
index 6d4c65d..b693f2d 100644
--- a/OpenSim/Region/CoreModules/Avatar/Friends/FriendsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Friends/FriendsModule.cs
@@ -498,7 +498,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
        protected virtual void StatusNotify(List<FriendInfo> friendList, UUID userID, bool online)
        {
-            m_log.DebugFormat("[FRIENDS]: Entering StatusNotify for {0}", userID);
+            //m_log.DebugFormat("[FRIENDS]: Entering StatusNotify for {0}", userID);
            List<string> friendStringIds = friendList.ConvertAll<string>(friend => friend.Friend);
            List<string> remoteFriendStringIds = new List<string>();
@@ -527,15 +527,15 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
                // let's guard against sessions-gone-bad
                if (friendSession != null && friendSession.RegionID != UUID.Zero)
                {
-                    m_log.DebugFormat("[FRIENDS]: Get region {0}", friendSession.RegionID);
+                    //m_log.DebugFormat("[FRIENDS]: Get region {0}", friendSession.RegionID);
                    GridRegion region = GridService.GetRegionByUUID(m_Scenes[0].RegionInfo.ScopeID, friendSession.RegionID);
                    if (region != null)
                    {
                        m_FriendsSimConnector.StatusNotify(region, userID, friendSession.UserID, online);
                    }
                }
-                else
+                //else
-                    m_log.DebugFormat("[FRIENDS]: friend session is null or the region is UUID.Zero");
+                //    m_log.DebugFormat("[FRIENDS]: friend session is null or the region is UUID.Zero");
            }
        }
diff --git a/OpenSim/Region/CoreModules/Avatar/Friends/FriendsRequestHandler.cs b/OpenSim/Region/CoreModules/Avatar/Friends/FriendsRequestHandler.cs
index 08196f1..2116605 100644
--- a/OpenSim/Region/CoreModules/Avatar/Friends/FriendsRequestHandler.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Friends/FriendsRequestHandler.cs
@@ -54,7 +54,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
            m_FriendsModule = fmodule;
        }
-        public override byte[] Handle(
+        protected override byte[] ProcessRequest(
            string path, Stream requestData, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
        {
            StreamReader sr = new StreamReader(requestData);
diff --git a/OpenSim/Region/CoreModules/Avatar/Friends/HGFriendsModule.cs b/OpenSim/Region/CoreModules/Avatar/Friends/HGFriendsModule.cs
index a456009..d00945e 100644
--- a/OpenSim/Region/CoreModules/Avatar/Friends/HGFriendsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Friends/HGFriendsModule.cs
@@ -252,7 +252,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
        protected override void StatusNotify(List<FriendInfo> friendList, UUID userID, bool online)
        {
-            m_log.DebugFormat("[HGFRIENDS MODULE]: Entering StatusNotify for {0}", userID);
+            //m_log.DebugFormat("[HGFRIENDS MODULE]: Entering StatusNotify for {0}", userID);
            // First, let's divide the friends on a per-domain basis
            Dictionary<string, List<FriendInfo>> friendsPerDomain = new Dictionary<string, List<FriendInfo>>();
diff --git a/OpenSim/Region/CoreModules/Avatar/Gods/GodsModule.cs b/OpenSim/Region/CoreModules/Avatar/Gods/GodsModule.cs
index 5b12ecb..6b14fa6 100644
--- a/OpenSim/Region/CoreModules/Avatar/Gods/GodsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Gods/GodsModule.cs
@@ -125,9 +125,9 @@ namespace OpenSim.Region.CoreModules.Avatar.Gods
        {
            string uri = "/CAPS/" + UUID.Random();
-            caps.RegisterHandler("UntrustedSimulatorMessage",
+            caps.RegisterHandler(
-                    new RestStreamHandler("POST", uri,
+                "UntrustedSimulatorMessage", 
-                    HandleUntrustedSimulatorMessage));
+                new RestStreamHandler("POST", uri, HandleUntrustedSimulatorMessage, "UntrustedSimulatorMessage", null));
        }
        private string HandleUntrustedSimulatorMessage(string request,
diff --git a/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/InventoryArchiveReadRequest.cs b/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/InventoryArchiveReadRequest.cs
index 659b178..d56e469 100644
--- a/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/InventoryArchiveReadRequest.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/InventoryArchiveReadRequest.cs
@@ -67,10 +67,9 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
        /// </summary>
        protected bool m_merge;
-        /// <value>
+        protected IInventoryService m_InventoryService;
-        /// We only use this to request modules
+        protected IAssetService m_AssetService;
-        /// </value>
+        protected IUserAccountService m_UserAccountService;
-        protected Scene m_scene;
        /// <value>
        /// The stream from which the inventory archive will be loaded.
@@ -118,9 +117,11 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
        protected Dictionary<UUID, UUID> m_creatorIdForAssetId = new Dictionary<UUID, UUID>();        
        public InventoryArchiveReadRequest(
-            Scene scene, UserAccount userInfo, string invPath, string loadPath, bool merge)
+            IInventoryService inv, IAssetService assets, IUserAccountService uacc, UserAccount userInfo, string invPath, string loadPath, bool merge)
            : this(
-                scene,
+                inv,
+                assets,
+                uacc,
                userInfo,
                invPath,
                new GZipStream(ArchiveHelpers.GetStream(loadPath), CompressionMode.Decompress),
@@ -129,9 +130,11 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
        }
        public InventoryArchiveReadRequest(
-            Scene scene, UserAccount userInfo, string invPath, Stream loadStream, bool merge)
+            IInventoryService inv, IAssetService assets, IUserAccountService uacc, UserAccount userInfo, string invPath, Stream loadStream, bool merge)
        {
-            m_scene = scene;
+            m_InventoryService = inv;
+            m_AssetService = assets;
+            m_UserAccountService = uacc;
            m_merge = merge;
            m_userInfo = userInfo;
            m_invPath = invPath;
@@ -162,7 +165,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
               
                List<InventoryFolderBase> folderCandidates
                    = InventoryArchiveUtils.FindFoldersByPath(
-                        m_scene.InventoryService, m_userInfo.PrincipalID, m_invPath);
+                        m_InventoryService, m_userInfo.PrincipalID, m_invPath);
    
                if (folderCandidates.Count == 0)
                {
@@ -297,7 +300,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
                        string plainPath = ArchiveConstants.ExtractPlainPathFromIarPath(archivePath);
                        List<InventoryFolderBase> folderCandidates
                            = InventoryArchiveUtils.FindFoldersByPath(
-                                m_scene.InventoryService, m_userInfo.PrincipalID, plainPath);
+                                m_InventoryService, m_userInfo.PrincipalID, plainPath);
            
                        if (folderCandidates.Count != 0)
                        {
@@ -380,7 +383,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
                    = new InventoryFolderBase(
                        newFolderId, newFolderName, m_userInfo.PrincipalID, 
                        (short)AssetType.Unknown, destFolder.ID, 1);
-                m_scene.InventoryService.AddFolder(destFolder);
+                m_InventoryService.AddFolder(destFolder);
                // Record that we have now created this folder
                iarPathExisting += rawDirsToCreate[i] + "/";
@@ -406,7 +409,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
            // Don't use the item ID that's in the file
            item.ID = UUID.Random();
-            UUID ospResolvedId = OspResolver.ResolveOspa(item.CreatorId, m_scene.UserAccountService);
+            UUID ospResolvedId = OspResolver.ResolveOspa(item.CreatorId, m_UserAccountService);
            if (UUID.Zero != ospResolvedId) // The user exists in this grid
            {
 //                m_log.DebugFormat("[INVENTORY ARCHIVER]: Found creator {0} via OSPA resolution", ospResolvedId);
@@ -436,7 +439,8 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
            // relying on native tar tools.
            m_creatorIdForAssetId[item.AssetID] = item.CreatorIdAsUuid;
-            m_scene.AddInventoryItem(item);
+            if (!m_InventoryService.AddItem(item))
+                m_log.WarnFormat("[INVENTORY ARCHIVER]: Unable to save item {0} in folder {1}", item.Name, item.Folder);
        
            return item;
        }
@@ -533,7 +537,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
                AssetBase asset = new AssetBase(assetId, "From IAR", assetType, UUID.Zero.ToString());
                asset.Data = data;
-                m_scene.AssetService.Store(asset);
+                m_AssetService.Store(asset);
                return true;
            }
diff --git a/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/InventoryArchiverModule.cs b/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/InventoryArchiverModule.cs
index f4f9e2d..cef6177 100644
--- a/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/InventoryArchiverModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/InventoryArchiverModule.cs
@@ -294,7 +294,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
                        try
                        {
-                            request = new InventoryArchiveReadRequest(m_aScene, userInfo, invPath, loadStream, merge);
+                            request = new InventoryArchiveReadRequest(m_aScene.InventoryService, m_aScene.AssetService, m_aScene.UserAccountService, userInfo, invPath, loadStream, merge);
                        }
                        catch (EntryPointNotFoundException e)
                        {
@@ -342,7 +342,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver
                        try
                        {
-                            request = new InventoryArchiveReadRequest(m_aScene, userInfo, invPath, loadPath, merge);
+                            request = new InventoryArchiveReadRequest(m_aScene.InventoryService, m_aScene.AssetService, m_aScene.UserAccountService, userInfo, invPath, loadPath, merge);
                        }
                        catch (EntryPointNotFoundException e)
                        {
diff --git a/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/Tests/InventoryArchiveLoadPathTests.cs b/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/Tests/InventoryArchiveLoadPathTests.cs
index 95f562e..08f199a 100644
--- a/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/Tests/InventoryArchiveLoadPathTests.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/Tests/InventoryArchiveLoadPathTests.cs
@@ -229,7 +229,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver.Tests
            {
                // Test replication of path1
-                new InventoryArchiveReadRequest(scene, ua1, null, (Stream)null, false)
+                new InventoryArchiveReadRequest(scene.InventoryService, scene.AssetService, scene.UserAccountService, ua1, null, (Stream)null, false)
                    .ReplicateArchivePathToUserInventory(
                        iarPath1, scene.InventoryService.GetRootFolder(ua1.PrincipalID), 
                        foldersCreated, nodesLoaded);
@@ -246,7 +246,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver.Tests
            
            {
                // Test replication of path2
-                new InventoryArchiveReadRequest(scene, ua1, null, (Stream)null, false)
+                new InventoryArchiveReadRequest(scene.InventoryService, scene.AssetService, scene.UserAccountService, ua1, null, (Stream)null, false)
                    .ReplicateArchivePathToUserInventory(
                        iarPath2, scene.InventoryService.GetRootFolder(ua1.PrincipalID), 
                        foldersCreated, nodesLoaded);
@@ -291,8 +291,8 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver.Tests
            string folder2ArchiveName = InventoryArchiveWriteRequest.CreateArchiveFolderName(folder2Name, UUID.Random());
            
            string itemArchivePath = string.Join("", new string[] { folder1ArchiveName, folder2ArchiveName });
-            
-            new InventoryArchiveReadRequest(scene, ua1, null, (Stream)null, false)
+            new InventoryArchiveReadRequest(scene.InventoryService, scene.AssetService, scene.UserAccountService, ua1, null, (Stream)null, false)
                .ReplicateArchivePathToUserInventory(
                    itemArchivePath, scene.InventoryService.GetRootFolder(ua1.PrincipalID), 
                    new Dictionary<string, InventoryFolderBase>(), new HashSet<InventoryNodeBase>());
@@ -342,8 +342,8 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver.Tests
            string folder2ArchiveName = InventoryArchiveWriteRequest.CreateArchiveFolderName(folder2Name, UUID.Random());
            
            string itemArchivePath = string.Join("", new string[] { folder1ArchiveName, folder2ArchiveName });
-            
-            new InventoryArchiveReadRequest(scene, ua1, folder1ExistingName, (Stream)null, true)
+            new InventoryArchiveReadRequest(scene.InventoryService, scene.AssetService, scene.UserAccountService, ua1, folder1ExistingName, (Stream)null, true)
                .ReplicateArchivePathToUserInventory(
                    itemArchivePath, scene.InventoryService.GetRootFolder(ua1.PrincipalID), 
                    new Dictionary<string, InventoryFolderBase>(), new HashSet<InventoryNodeBase>());
diff --git a/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/Tests/InventoryArchiveSaveTests.cs b/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/Tests/InventoryArchiveSaveTests.cs
index 5e7e24c..b85739e 100644
--- a/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/Tests/InventoryArchiveSaveTests.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/Tests/InventoryArchiveSaveTests.cs
@@ -86,7 +86,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver.Tests
            Assert.That(filePath, Is.EqualTo(ArchiveConstants.CONTROL_FILE_PATH));
            
            InventoryArchiveReadRequest iarr 
-                = new InventoryArchiveReadRequest(null, null, null, (Stream)null, false);
+                = new InventoryArchiveReadRequest(null, null, null, null, null, (Stream)null, false);
            iarr.LoadControlFile(filePath, data);
            
            Assert.That(iarr.ControlFileLoaded, Is.True);
diff --git a/OpenSim/Region/CoreModules/Avatar/UserProfiles/UserProfileModule.cs b/OpenSim/Region/CoreModules/Avatar/UserProfiles/UserProfileModule.cs
index 161f160..c04098c 100644
--- a/OpenSim/Region/CoreModules/Avatar/UserProfiles/UserProfileModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/UserProfiles/UserProfileModule.cs
@@ -173,7 +173,10 @@ namespace OpenSim.Region.OptionalModules.Avatar.UserProfiles
            if(obj.PresenceType == PresenceType.Npc)
                return;
-            GetImageAssets(((IScenePresence)obj).UUID);
+            Util.FireAndForget(delegate
+            {
+                GetImageAssets(((IScenePresence)obj).UUID);
+            });
        }
        /// <summary>
@@ -1044,12 +1047,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.UserProfiles
            {
                OSDString assetId = (OSDString)asset;
-                Scene.AssetService.Get(string.Format("{0}/{1}",assetServerURI, assetId.AsString()), this, 
+                Scene.AssetService.Get(string.Format("{0}/{1}",assetServerURI, assetId.AsString()));
-                    delegate (string assetID, Object s, AssetBase a)
-                    {
-                        // m_log.DebugFormat("[PROFILES]: Getting Image Assets {0}", assetID); 
-                        return;
-                    });
            }
            return true;
        }
diff --git a/OpenSim/Region/CoreModules/Framework/Caps/CapabilitiesModule.cs b/OpenSim/Region/CoreModules/Framework/Caps/CapabilitiesModule.cs
index fff86d5..3d5ed4f 100644
--- a/OpenSim/Region/CoreModules/Framework/Caps/CapabilitiesModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/Caps/CapabilitiesModule.cs
@@ -28,6 +28,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Linq;
 using System.Reflection;
 using System.Text;
 using log4net;
@@ -37,6 +38,7 @@ using OpenMetaverse;
 using OpenSim.Framework;
 using OpenSim.Framework.Console;
 using OpenSim.Framework.Servers;
+using OpenSim.Framework.Servers.HttpServer;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 using Caps=OpenSim.Framework.Capabilities.Caps;
@@ -57,8 +59,9 @@ namespace OpenSim.Region.CoreModules.Framework
        /// </summary>
        protected Dictionary<uint, Caps> m_capsObjects = new Dictionary<uint, Caps>();
        
-        protected Dictionary<UUID, string> capsPaths = new Dictionary<UUID, string>();
+        protected Dictionary<UUID, string> m_capsPaths = new Dictionary<UUID, string>();
-        protected Dictionary<UUID, Dictionary<ulong, string>> childrenSeeds 
+        protected Dictionary<UUID, Dictionary<ulong, string>> m_childrenSeeds 
            = new Dictionary<UUID, Dictionary<ulong, string>>();
        
        public void Initialise(IConfigSource source)
@@ -70,9 +73,24 @@ namespace OpenSim.Region.CoreModules.Framework
            m_scene = scene;
            m_scene.RegisterModuleInterface<ICapabilitiesModule>(this);
-            MainConsole.Instance.Commands.AddCommand("Comms", false, "show caps",
+            MainConsole.Instance.Commands.AddCommand(
-                "show caps",
+                "Comms", false, "show caps list",
-                "Shows all registered capabilities for users", HandleShowCapsCommand);
+                "show caps list",
+                "Shows list of registered capabilities for users.", HandleShowCapsListCommand);
+            MainConsole.Instance.Commands.AddCommand(
+                "Comms", false, "show caps stats by user",
+                "show caps stats [<first-name> <last-name>]",
+                "Shows statistics on capabilities use by user.",
+                "If a user name is given, then prints a detailed breakdown of caps use ordered by number of requests received.",
+                HandleShowCapsStatsByUserCommand);
+            MainConsole.Instance.Commands.AddCommand(
+                "Comms", false, "show caps stats by cap",
+                "show caps stats by cap [<cap-name>]",
+                "Shows statistics on capabilities use by capability.",
+                "If a capability name is given, then prints a detailed breakdown of use by each user.",
+                HandleShowCapsStatsByCapCommand);
        }
        public void RegionLoaded(Scene scene)
@@ -106,35 +124,42 @@ namespace OpenSim.Region.CoreModules.Framework
            if (m_scene.RegionInfo.EstateSettings.IsBanned(agentId, flags))
                return;
+            Caps caps;
            String capsObjectPath = GetCapsPath(agentId);
-            if (m_capsObjects.ContainsKey(circuitCode))
+            lock (m_capsObjects)
            {
-                Caps oldCaps = m_capsObjects[circuitCode];
+                if (m_capsObjects.ContainsKey(circuitCode))
-                
+                {
-                m_log.DebugFormat(
+                    Caps oldCaps = m_capsObjects[circuitCode];
-                    "[CAPS]: Recreating caps for agent {0}.  Old caps path {1}, new caps path {2}. ", 
+                    
-                    agentId, oldCaps.CapsObjectPath, capsObjectPath);
+                    m_log.DebugFormat(
-                // This should not happen. The caller code is confused. We need to fix that.
+                        "[CAPS]: Recreating caps for agent {0}.  Old caps path {1}, new caps path {2}. ", 
-                // CAPs can never be reregistered, or the client will be confused.
+                        agentId, oldCaps.CapsObjectPath, capsObjectPath);
-                // Hence this return here.
+                    // This should not happen. The caller code is confused. We need to fix that.
-                //return;
+                    // CAPs can never be reregistered, or the client will be confused.
-            }
+                    // Hence this return here.
+                    //return;
+                }
-            Caps caps = new Caps(MainServer.Instance, m_scene.RegionInfo.ExternalHostName,
+                caps = new Caps(MainServer.Instance, m_scene.RegionInfo.ExternalHostName,
-                    (MainServer.Instance == null) ? 0: MainServer.Instance.Port,
+                        (MainServer.Instance == null) ? 0: MainServer.Instance.Port,
-                    capsObjectPath, agentId, m_scene.RegionInfo.RegionName);
+                        capsObjectPath, agentId, m_scene.RegionInfo.RegionName);
-            m_capsObjects[circuitCode] = caps;
+                m_capsObjects[circuitCode] = caps;
+            }
            m_scene.EventManager.TriggerOnRegisterCaps(agentId, caps);
        }
        public void RemoveCaps(UUID agentId, uint circuitCode)
        {
-            if (childrenSeeds.ContainsKey(agentId))
+            lock (m_childrenSeeds)
            {
-                childrenSeeds.Remove(agentId);
+                if (m_childrenSeeds.ContainsKey(agentId))
+                {
+                    m_childrenSeeds.Remove(agentId);
+                }
            }
            lock (m_capsObjects)
@@ -180,16 +205,22 @@ namespace OpenSim.Region.CoreModules.Framework
        public void SetAgentCapsSeeds(AgentCircuitData agent)
        {
-            capsPaths[agent.AgentID] = agent.CapsPath;
+            lock (m_capsPaths)
-            childrenSeeds[agent.AgentID] 
+                m_capsPaths[agent.AgentID] = agent.CapsPath;
-                = ((agent.ChildrenCapSeeds == null) ? new Dictionary<ulong, string>() : agent.ChildrenCapSeeds);
+            lock (m_childrenSeeds)
+                m_childrenSeeds[agent.AgentID] 
+                    = ((agent.ChildrenCapSeeds == null) ? new Dictionary<ulong, string>() : agent.ChildrenCapSeeds);
        }
        
        public string GetCapsPath(UUID agentId)
        {
-            if (capsPaths.ContainsKey(agentId))
+            lock (m_capsPaths)
            {
-                return capsPaths[agentId];
+                if (m_capsPaths.ContainsKey(agentId))
+                {
+                    return m_capsPaths[agentId];
+                }
            }
            return null;
@@ -198,17 +229,24 @@ namespace OpenSim.Region.CoreModules.Framework
        public Dictionary<ulong, string> GetChildrenSeeds(UUID agentID)
        {
            Dictionary<ulong, string> seeds = null;
-            if (childrenSeeds.TryGetValue(agentID, out seeds))
-                return seeds;
+            lock (m_childrenSeeds)
+                if (m_childrenSeeds.TryGetValue(agentID, out seeds))
+                    return seeds;
            return new Dictionary<ulong, string>();
        }
        public void DropChildSeed(UUID agentID, ulong handle)
        {
            Dictionary<ulong, string> seeds;
-            if (childrenSeeds.TryGetValue(agentID, out seeds))
+            lock (m_childrenSeeds)
            {
-                seeds.Remove(handle);
+                if (m_childrenSeeds.TryGetValue(agentID, out seeds))
+                {
+                    seeds.Remove(handle);
+                }
            }
        }
@@ -216,53 +254,285 @@ namespace OpenSim.Region.CoreModules.Framework
        {
            Dictionary<ulong, string> seeds;
            string returnval;
-            if (childrenSeeds.TryGetValue(agentID, out seeds))
+            lock (m_childrenSeeds)
            {
-                if (seeds.TryGetValue(handle, out returnval))
+                if (m_childrenSeeds.TryGetValue(agentID, out seeds))
-                    return returnval;
+                {
+                    if (seeds.TryGetValue(handle, out returnval))
+                        return returnval;
+                }
            }
            return null;
        }
        public void SetChildrenSeed(UUID agentID, Dictionary<ulong, string> seeds)
        {
            //m_log.DebugFormat(" !!! Setting child seeds in {0} to {1}", m_scene.RegionInfo.RegionName, seeds.Count);
-            childrenSeeds[agentID] = seeds;
+            lock (m_childrenSeeds)
+                m_childrenSeeds[agentID] = seeds;
        }
        public void DumpChildrenSeeds(UUID agentID)
        {
            m_log.Info("================ ChildrenSeed "+m_scene.RegionInfo.RegionName+" ================");
-            foreach (KeyValuePair<ulong, string> kvp in childrenSeeds[agentID])
+            lock (m_childrenSeeds)
            {
-                uint x, y;
+                foreach (KeyValuePair<ulong, string> kvp in m_childrenSeeds[agentID])
-                Utils.LongToUInts(kvp.Key, out x, out y);
+                {
-                x = x / Constants.RegionSize;
+                    uint x, y;
-                y = y / Constants.RegionSize;
+                    Utils.LongToUInts(kvp.Key, out x, out y);
-                m_log.Info(" >> "+x+", "+y+": "+kvp.Value);
+                    x = x / Constants.RegionSize;
+                    y = y / Constants.RegionSize;
+                    m_log.Info(" >> "+x+", "+y+": "+kvp.Value);
+                }
            }
        }
-        private void HandleShowCapsCommand(string module, string[] cmdparams)
+        private void HandleShowCapsListCommand(string module, string[] cmdParams)
        {
+            if (SceneManager.Instance.CurrentScene != null && SceneManager.Instance.CurrentScene != m_scene)
+                return;
            StringBuilder caps = new StringBuilder();
            caps.AppendFormat("Region {0}:\n", m_scene.RegionInfo.RegionName);
-            foreach (KeyValuePair<uint, Caps> kvp in m_capsObjects)
+            lock (m_capsObjects)
            {
-                caps.AppendFormat("** Circuit {0}:\n", kvp.Key);
+                foreach (KeyValuePair<uint, Caps> kvp in m_capsObjects)
+                {
+                    caps.AppendFormat("** Circuit {0}:\n", kvp.Key);
+                    for (IDictionaryEnumerator kvp2 = kvp.Value.CapsHandlers.GetCapsDetails(false, null).GetEnumerator(); kvp2.MoveNext(); )
+                    {
+                        Uri uri = new Uri(kvp2.Value.ToString());
+                        caps.AppendFormat(m_showCapsCommandFormat, kvp2.Key, uri.PathAndQuery);
+                    }
+                    foreach (KeyValuePair<string, string> kvp3 in kvp.Value.ExternalCapsHandlers)
+                        caps.AppendFormat(m_showCapsCommandFormat, kvp3.Key, kvp3.Value);
+                }
+            }
-                for (IDictionaryEnumerator kvp2 = kvp.Value.CapsHandlers.GetCapsDetails(false, null).GetEnumerator(); kvp2.MoveNext(); )
+            MainConsole.Instance.Output(caps.ToString());
+        }
+        private void HandleShowCapsStatsByCapCommand(string module, string[] cmdParams)
+        {
+            if (SceneManager.Instance.CurrentScene != null && SceneManager.Instance.CurrentScene != m_scene)
+                return;
+            if (cmdParams.Length != 5 && cmdParams.Length != 6)
+            {
+                MainConsole.Instance.Output("Usage: show caps stats by cap [<cap-name>]");
+                return;
+            }
+            StringBuilder sb = new StringBuilder();
+            sb.AppendFormat("Region {0}:\n", m_scene.Name);
+            if (cmdParams.Length == 5)
+            {
+                BuildSummaryStatsByCapReport(sb);
+            }
+            else if (cmdParams.Length == 6)
+            {
+                BuildDetailedStatsByCapReport(sb, cmdParams[5]);
+            }
+            MainConsole.Instance.Output(sb.ToString());
+        }
+        private void BuildDetailedStatsByCapReport(StringBuilder sb, string capName)
+        {
+            /*
+            sb.AppendFormat("Capability name {0}\n", capName);
+            ConsoleDisplayTable cdt = new ConsoleDisplayTable();
+            cdt.AddColumn("User Name", 34);
+            cdt.AddColumn("Req Received", 12);
+            cdt.AddColumn("Req Handled", 12);
+            cdt.Indent = 2;
+            Dictionary<string, int> receivedStats = new Dictionary<string, int>();
+            Dictionary<string, int> handledStats = new Dictionary<string, int>();
+            m_scene.ForEachScenePresence(
+                sp =>
                {
-                    Uri uri = new Uri(kvp2.Value.ToString());
+                    Caps caps = m_scene.CapsModule.GetCapsForUser(sp.UUID);
-                    caps.AppendFormat(m_showCapsCommandFormat, kvp2.Key, uri.PathAndQuery);
+                    if (caps == null)
+                        return;
+                    Dictionary<string, IRequestHandler> capsHandlers = caps.CapsHandlers.GetCapsHandlers();
+                    IRequestHandler reqHandler;
+                    if (capsHandlers.TryGetValue(capName, out reqHandler))
+                    {
+                        receivedStats[sp.Name] = reqHandler.RequestsReceived;
+                        handledStats[sp.Name] = reqHandler.RequestsHandled;
+                    }                   
                }
+            );
-                foreach (KeyValuePair<string, string> kvp3 in kvp.Value.ExternalCapsHandlers)
+            foreach (KeyValuePair<string, int> kvp in receivedStats.OrderByDescending(kp => kp.Value))
-                    caps.AppendFormat(m_showCapsCommandFormat, kvp3.Key, kvp3.Value);
+            {
+                cdt.AddRow(kvp.Key, kvp.Value, handledStats[kvp.Key]);
            }
-            MainConsole.Instance.Output(caps.ToString());
+            sb.Append(cdt.ToString());
+            */
+        }
+        private void BuildSummaryStatsByCapReport(StringBuilder sb)
+        {
+            /*
+            ConsoleDisplayTable cdt = new ConsoleDisplayTable();
+            cdt.AddColumn("Name", 34);
+            cdt.AddColumn("Req Received", 12);
+            cdt.AddColumn("Req Handled", 12);
+            cdt.Indent = 2;
+            Dictionary<string, int> receivedStats = new Dictionary<string, int>();
+            Dictionary<string, int> handledStats = new Dictionary<string, int>();
+            m_scene.ForEachScenePresence(
+                sp =>
+                {
+                    Caps caps = m_scene.CapsModule.GetCapsForUser(sp.UUID);
+                    if (caps == null)
+                        return;
+                    Dictionary<string, IRequestHandler> capsHandlers = caps.CapsHandlers.GetCapsHandlers();
+                    foreach (IRequestHandler reqHandler in capsHandlers.Values)
+                    {
+                        string reqName = reqHandler.Name ?? "";
+                        if (!receivedStats.ContainsKey(reqName))
+                        {
+                            receivedStats[reqName] = reqHandler.RequestsReceived;
+                            handledStats[reqName] = reqHandler.RequestsHandled;
+                        }
+                        else
+                        {
+                            receivedStats[reqName] += reqHandler.RequestsReceived;
+                            handledStats[reqName] += reqHandler.RequestsHandled;
+                        }
+                    }
+                }
+            );
+                    
+            foreach (KeyValuePair<string, int> kvp in receivedStats.OrderByDescending(kp => kp.Value))
+                cdt.AddRow(kvp.Key, kvp.Value, handledStats[kvp.Key]);
+            sb.Append(cdt.ToString());
+            */
+        }
+        private void HandleShowCapsStatsByUserCommand(string module, string[] cmdParams)
+        {
+            /*
+            if (SceneManager.Instance.CurrentScene != null && SceneManager.Instance.CurrentScene != m_scene)
+                return;
+            if (cmdParams.Length != 5 && cmdParams.Length != 7)
+            {
+                MainConsole.Instance.Output("Usage: show caps stats by user [<first-name> <last-name>]");
+                return;
+            }
+            StringBuilder sb = new StringBuilder();
+            sb.AppendFormat("Region {0}:\n", m_scene.Name);
+            if (cmdParams.Length == 5)
+            {
+                BuildSummaryStatsByUserReport(sb);
+            }
+            else if (cmdParams.Length == 7)
+            {
+                string firstName = cmdParams[5];
+                string lastName = cmdParams[6];
+                ScenePresence sp = m_scene.GetScenePresence(firstName, lastName);
+                if (sp == null)
+                    return;
+                BuildDetailedStatsByUserReport(sb, sp);
+            }
+            MainConsole.Instance.Output(sb.ToString());
+            */
+        }
+        private void BuildDetailedStatsByUserReport(StringBuilder sb, ScenePresence sp)
+        {
+            /*
+            sb.AppendFormat("Avatar name {0}, type {1}\n", sp.Name, sp.IsChildAgent ? "child" : "root");
+            ConsoleDisplayTable cdt = new ConsoleDisplayTable();
+            cdt.AddColumn("Cap Name", 34);
+            cdt.AddColumn("Req Received", 12);
+            cdt.AddColumn("Req Handled", 12);
+            cdt.Indent = 2;
+            Caps caps = m_scene.CapsModule.GetCapsForUser(sp.UUID);
+            if (caps == null)
+                return;
+            Dictionary<string, IRequestHandler> capsHandlers = caps.CapsHandlers.GetCapsHandlers();
+            foreach (IRequestHandler reqHandler in capsHandlers.Values.OrderByDescending(rh => rh.RequestsReceived))
+            {
+                cdt.AddRow(reqHandler.Name, reqHandler.RequestsReceived, reqHandler.RequestsHandled);
+            }
+            sb.Append(cdt.ToString());
+            */
+        }
+        private void BuildSummaryStatsByUserReport(StringBuilder sb)
+        {
+            /*
+            ConsoleDisplayTable cdt = new ConsoleDisplayTable();
+            cdt.AddColumn("Name", 32);
+            cdt.AddColumn("Type", 5);
+            cdt.AddColumn("Req Received", 12);
+            cdt.AddColumn("Req Handled", 12);
+            cdt.Indent = 2;
+            m_scene.ForEachScenePresence(
+                sp =>
+                {
+                    Caps caps = m_scene.CapsModule.GetCapsForUser(sp.UUID);
+                    if (caps == null)
+                        return;
+                    Dictionary<string, IRequestHandler> capsHandlers = caps.CapsHandlers.GetCapsHandlers();
+                    int totalRequestsReceived = 0;
+                    int totalRequestsHandled = 0;
+                    foreach (IRequestHandler reqHandler in capsHandlers.Values)
+                    {
+                        totalRequestsReceived += reqHandler.RequestsReceived;
+                        totalRequestsHandled += reqHandler.RequestsHandled;
+                    }
+                    
+                    cdt.AddRow(sp.Name, sp.IsChildAgent ? "child" : "root", totalRequestsReceived, totalRequestsHandled);
+                }
+            );
+            sb.Append(cdt.ToString());
+            */
        }
    }
 }
diff --git a/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs b/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
index b9c88d4..a3c539d 100644
--- a/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
@@ -822,7 +822,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                    "[ENTITY TRANSFER MODULE]: UpdateAgent failed on teleport of {0} to {1} from {2}.  Keeping avatar in source region.",
                    sp.Name, finalDestination.RegionName, sp.Scene.RegionInfo.RegionName);
                
-                Fail(sp, finalDestination, logout, "Connection between viewer and destination region could not be established.");
+                Fail(sp, finalDestination, logout, currentAgentCircuit.SessionID.ToString(), "Connection between viewer and destination region could not be established.");
                return;
            }
@@ -834,7 +834,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                    "[ENTITY TRANSFER MODULE]: Cancelled teleport of {0} to {1} from {2} after UpdateAgent on client request", 
                    sp.Name, finalDestination.RegionName, sp.Scene.Name);
-                CleanupFailedInterRegionTeleport(sp, finalDestination);
+                CleanupFailedInterRegionTeleport(sp, currentAgentCircuit.SessionID.ToString(), finalDestination);
                return;
            }
@@ -878,7 +878,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                    "[ENTITY TRANSFER MODULE]: Teleport of {0} to {1} from {2} failed due to no callback from destination region.  Returning avatar to source region.",
                    sp.Name, finalDestination.RegionName, sp.Scene.RegionInfo.RegionName);
                
-                Fail(sp, finalDestination, logout, "Destination region did not signal teleport completion.");
+                Fail(sp, finalDestination, logout, currentAgentCircuit.SessionID.ToString(), "Destination region did not signal teleport completion.");
                return;
            }
@@ -932,7 +932,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
        /// <remarks>
        /// <param name='sp'> </param>
        /// <param name='finalDestination'></param>
-        protected virtual void CleanupFailedInterRegionTeleport(ScenePresence sp, GridRegion finalDestination)
+        protected virtual void CleanupFailedInterRegionTeleport(ScenePresence sp, string auth_token, GridRegion finalDestination)
        {
            m_entityTransferStateMachine.UpdateInTransit(sp.UUID, AgentTransferState.CleaningUp);
@@ -943,7 +943,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
            // Finally, kill the agent we just created at the destination.
            // XXX: Possibly this should be done asynchronously.
-            Scene.SimulationService.CloseAgent(finalDestination, sp.UUID);
+            Scene.SimulationService.CloseAgent(finalDestination, sp.UUID, auth_token);
        }
        /// <summary>
@@ -953,9 +953,9 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
        /// <param name='finalDestination'></param>
        /// <param name='logout'></param>
        /// <param name='reason'>Human readable reason for teleport failure.  Will be sent to client.</param>
-        protected virtual void Fail(ScenePresence sp, GridRegion finalDestination, bool logout, string reason)
+        protected virtual void Fail(ScenePresence sp, GridRegion finalDestination, bool logout, string auth_code, string reason)
        {
-            CleanupFailedInterRegionTeleport(sp, finalDestination);
+            CleanupFailedInterRegionTeleport(sp, auth_code, finalDestination);
            m_interRegionTeleportFailures.Value++;
diff --git a/OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs b/OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs
index 73b3678f..1cf1884 100644
--- a/OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs
@@ -171,11 +171,11 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
            if (!so.IsAttachment)
                return;
-            if (so.Scene.UserManagementModule.IsLocalGridUser(so.AttachedAvatar))
+            if (so.AttachedAvatar == UUID.Zero || Scene.UserManagementModule.IsLocalGridUser(so.AttachedAvatar))
                return;
            // foreign user
-            AgentCircuitData aCircuit = so.Scene.AuthenticateHandler.GetAgentCircuitData(so.AttachedAvatar);
+            AgentCircuitData aCircuit = Scene.AuthenticateHandler.GetAgentCircuitData(so.AttachedAvatar);
            if (aCircuit != null && (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaHGLogin) != 0)
            {
                if (aCircuit.ServiceURLs != null && aCircuit.ServiceURLs.ContainsKey("AssetServerURI"))
@@ -183,7 +183,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                    string url = aCircuit.ServiceURLs["AssetServerURI"].ToString();
                    m_log.DebugFormat("[HG ENTITY TRANSFER MODULE]: Incoming attachement {0} for HG user {1} with asset server {2}", so.Name, so.AttachedAvatar, url);
                    Dictionary<UUID, AssetType> ids = new Dictionary<UUID, AssetType>();
-                    HGUuidGatherer uuidGatherer = new HGUuidGatherer(so.Scene.AssetService, url);
+                    HGUuidGatherer uuidGatherer = new HGUuidGatherer(Scene.AssetService, url);
                    uuidGatherer.GatherAssetUuids(so, ids);
                    foreach (KeyValuePair<UUID, AssetType> kvp in ids)
@@ -207,6 +207,9 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
            {
                m_GatekeeperConnector = new GatekeeperServiceConnector(scene.AssetService);
                m_UAS = scene.RequestModuleInterface<IUserAgentService>();
+                if (m_UAS == null)
+                    m_UAS = new UserAgentServiceConnector(m_ThisHomeURI);
            }
        }
@@ -571,12 +574,12 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
            if (uMan != null && uMan.IsLocalGridUser(obj.AgentId))
            {
                // local grid user
+                m_UAS.LogoutAgent(obj.AgentId, obj.SessionId);
                return;
            }
            AgentCircuitData aCircuit = ((Scene)(obj.Scene)).AuthenticateHandler.GetAgentCircuitData(obj.CircuitCode);
+            if (aCircuit != null && aCircuit.ServiceURLs != null && aCircuit.ServiceURLs.ContainsKey("HomeURI"))
-            if (aCircuit.ServiceURLs.ContainsKey("HomeURI"))
            {
                string url = aCircuit.ServiceURLs["HomeURI"].ToString();
                IUserAgentService security = new UserAgentServiceConnector(url);
diff --git a/OpenSim/Region/CoreModules/Framework/GridServiceThrottle/GridServiceThrottleModule.cs b/OpenSim/Region/CoreModules/Framework/GridServiceThrottle/GridServiceThrottleModule.cs
new file mode 100644
index 0000000..f1eb1ad
--- /dev/null
+++ b/OpenSim/Region/CoreModules/Framework/GridServiceThrottle/GridServiceThrottleModule.cs
@@ -0,0 +1,163 @@
+/*
+ * 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 System.Collections.Generic;
+using System.Reflection;
+using System.Threading;
+using log4net;
+using Mono.Addins;
+using Nini.Config;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Framework.Monitoring;
+using OpenSim.Region.Framework.Scenes;
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+namespace OpenSim.Region.CoreModules.Framework
+{
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "GridServiceThrottleModule")]
+    public class GridServiceThrottleModule : ISharedRegionModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+        private readonly List<Scene> m_scenes = new List<Scene>();
+        private OpenSim.Framework.BlockingQueue<GridRegionRequest> m_RequestQueue = new OpenSim.Framework.BlockingQueue<GridRegionRequest>();
+        public void Initialise(IConfigSource config)
+        {
+            Watchdog.StartThread(
+                ProcessQueue,
+                "GridServiceRequestThread",
+                ThreadPriority.BelowNormal,
+                true,
+                false);
+        }
+        public void AddRegion(Scene scene)
+        {
+            lock (m_scenes)
+            {
+                m_scenes.Add(scene);
+                scene.EventManager.OnNewClient += OnNewClient;
+            }
+        }
+        public void RegionLoaded(Scene scene)
+        {
+        }
+        public void RemoveRegion(Scene scene)
+        {
+            lock (m_scenes)
+            {
+                m_scenes.Remove(scene);
+                scene.EventManager.OnNewClient -= OnNewClient;
+            }
+        }
+        void OnNewClient(IClientAPI client)
+        {
+            client.OnRegionHandleRequest += OnRegionHandleRequest;
+        }
+        public void PostInitialise()
+        {
+        }
+        public void Close()
+        {
+        }
+        public string Name
+        {
+            get { return "GridServiceThrottleModule"; }
+        }
+        public Type ReplaceableInterface
+        {
+            get { return null; }
+        }
+        public void OnRegionHandleRequest(IClientAPI client, UUID regionID)
+        {
+            //m_log.DebugFormat("[GRIDSERVICE THROTTLE]: RegionHandleRequest {0}", regionID);
+            ulong handle = 0;
+            if (IsLocalRegionHandle(regionID, out handle))
+            {
+                client.SendRegionHandle(regionID, handle);
+                return;
+            }
+            GridRegionRequest request = new GridRegionRequest(client, regionID);
+            m_RequestQueue.Enqueue(request);
+        }
+        private bool IsLocalRegionHandle(UUID regionID, out ulong regionHandle)
+        {
+            regionHandle = 0;
+            foreach (Scene s in m_scenes)
+                if (s.RegionInfo.RegionID == regionID)
+                {
+                    regionHandle = s.RegionInfo.RegionHandle;
+                    return true;
+                }
+            return false;
+        }
+        private void ProcessQueue()
+        {
+            while (true)
+            {
+                Watchdog.UpdateThread();
+                GridRegionRequest request = m_RequestQueue.Dequeue();
+                GridRegion r = m_scenes[0].GridService.GetRegionByUUID(UUID.Zero, request.regionID);
+                if (r != null && r.RegionHandle != 0)
+                    request.client.SendRegionHandle(request.regionID, r.RegionHandle);
+            }
+        }
+    }
+    class GridRegionRequest
+    {
+        public IClientAPI client;
+        public UUID regionID;
+        public GridRegionRequest(IClientAPI c, UUID r)
+        {
+            client = c;
+            regionID = r;
+        }
+    }
+}
diff --git a/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs b/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs
index 1eae0ac..e0c8ea6 100644
--- a/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs
@@ -135,7 +135,7 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
                if (sp is ScenePresence)
                {
                    AgentCircuitData aCircuit = ((ScenePresence)sp).Scene.AuthenticateHandler.GetAgentCircuitData(client.AgentId);
-                    if ((aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaHGLogin) != 0)
+                    if (aCircuit != null &&  (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaHGLogin) != 0)
                    {
                        if (m_RestrictInventoryAccessAbroad)
                        {
diff --git a/OpenSim/Region/CoreModules/Framework/Library/LibraryModule.cs b/OpenSim/Region/CoreModules/Framework/Library/LibraryModule.cs
index d07cff4..69d7e16 100644
--- a/OpenSim/Region/CoreModules/Framework/Library/LibraryModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/Library/LibraryModule.cs
@@ -176,7 +176,7 @@ namespace OpenSim.Region.CoreModules.Framework.Library
                m_log.InfoFormat("[LIBRARY MODULE]: Loading library archive {0} ({1})...", iarFileName, simpleName);
                simpleName = GetInventoryPathFromName(simpleName);
-                InventoryArchiveReadRequest archread = new InventoryArchiveReadRequest(m_MockScene, uinfo, simpleName, iarFileName, false);
+                InventoryArchiveReadRequest archread = new InventoryArchiveReadRequest(m_MockScene.InventoryService, m_MockScene.AssetService, m_MockScene.UserAccountService, uinfo, simpleName, iarFileName, false);
                try
                {
                    HashSet<InventoryNodeBase> nodes = archread.Execute();
@@ -185,7 +185,7 @@ namespace OpenSim.Region.CoreModules.Framework.Library
                        // didn't find the subfolder with the given name; place it on the top
                        m_log.InfoFormat("[LIBRARY MODULE]: Didn't find {0} in library. Placing archive on the top level", simpleName);
                        archread.Close();
-                        archread = new InventoryArchiveReadRequest(m_MockScene, uinfo, "/", iarFileName, false);
+                        archread = new InventoryArchiveReadRequest(m_MockScene.InventoryService, m_MockScene.AssetService, m_MockScene.UserAccountService, uinfo, "/", iarFileName, false);
                        archread.Execute();
                    }
diff --git a/OpenSim/Region/CoreModules/Framework/UserManagement/HGUserManagementModule.cs b/OpenSim/Region/CoreModules/Framework/UserManagement/HGUserManagementModule.cs
index ad3cf15..245c808 100644
--- a/OpenSim/Region/CoreModules/Framework/UserManagement/HGUserManagementModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/UserManagement/HGUserManagementModule.cs
@@ -58,7 +58,7 @@ namespace OpenSim.Region.CoreModules.Framework.UserManagement
            if (umanmod == Name)
            {
                m_Enabled = true;
-                RegisterConsoleCmds();
+                Init();
                m_log.DebugFormat("[USER MANAGEMENT MODULE]: {0} is enabled", Name);
            }
        }
diff --git a/OpenSim/Region/CoreModules/Framework/UserManagement/UserManagementModule.cs b/OpenSim/Region/CoreModules/Framework/UserManagement/UserManagementModule.cs
index a7cbc8f..a528093 100644
--- a/OpenSim/Region/CoreModules/Framework/UserManagement/UserManagementModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/UserManagement/UserManagementModule.cs
@@ -28,9 +28,11 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Reflection;
+using System.Threading;
 using OpenSim.Framework;
 using OpenSim.Framework.Console;
+using OpenSim.Framework.Monitoring;
 using OpenSim.Region.ClientStack.LindenUDP;
 using OpenSim.Region.Framework;
 using OpenSim.Region.Framework.Interfaces;
@@ -57,6 +59,10 @@ namespace OpenSim.Region.CoreModules.Framework.UserManagement
        // The cache
        protected Dictionary<UUID, UserData> m_UserCache = new Dictionary<UUID, UserData>();
+        // Throttle the name requests
+        private OpenSim.Framework.BlockingQueue<NameRequest> m_RequestQueue = new OpenSim.Framework.BlockingQueue<NameRequest>();
        #region ISharedRegionModule
        public void Initialise(IConfigSource config)
@@ -65,7 +71,7 @@ namespace OpenSim.Region.CoreModules.Framework.UserManagement
            if (umanmod == Name)
            {
                m_Enabled = true;
-                RegisterConsoleCmds();
+                Init();
                m_log.DebugFormat("[USER MANAGEMENT MODULE]: {0} is enabled", Name);
            }
        }
@@ -160,16 +166,9 @@ namespace OpenSim.Region.CoreModules.Framework.UserManagement
            }
            else
            {
-                string[] names;
+                NameRequest request = new NameRequest(remote_client, uuid);
-                bool foundRealName = TryGetUserNames(uuid, out names);
+                m_RequestQueue.Enqueue(request);
-                if (names.Length == 2)
-                {
-                    if (!foundRealName)
-                        m_log.DebugFormat("[USER MANAGEMENT MODULE]: Sending {0} {1} for {2} to {3} since no bound name found", names[0], names[1], uuid, remote_client.Name);
-                    remote_client.SendNameReply(uuid, names[0], names[1]);
-                }
            }
        }
@@ -514,9 +513,8 @@ namespace OpenSim.Region.CoreModules.Framework.UserManagement
                    return;
                }
-                //try update unknown users
+                //try update unknown users, but don't update anyone else
-                //and creator's home URL's
+                if (oldUser.FirstName == "Unknown" && !creatorData.Contains("Unknown")) 
-                if ((oldUser.FirstName == "Unknown" && !creatorData.Contains("Unknown")) || (oldUser.HomeURL != null && !creatorData.StartsWith(oldUser.HomeURL)))
                {
                    lock (m_UserCache)
                        m_UserCache.Remove(id);
@@ -597,6 +595,18 @@ namespace OpenSim.Region.CoreModules.Framework.UserManagement
        #endregion IUserManagement
+        protected void Init()
+        {
+            RegisterConsoleCmds();
+            Watchdog.StartThread(
+                ProcessQueue,
+                "NameRequestThread",
+                ThreadPriority.BelowNormal,
+                true,
+                false);
+        }
        protected void RegisterConsoleCmds()
        {
            MainConsole.Instance.Commands.AddCommand("Users", true,
@@ -663,5 +673,40 @@ namespace OpenSim.Region.CoreModules.Framework.UserManagement
            MainConsole.Instance.Output(cdt.ToString());
        }
+        private void ProcessQueue()
+        {
+            while (true)
+            {
+                Watchdog.UpdateThread();
+                NameRequest request = m_RequestQueue.Dequeue();
+                string[] names;
+                bool foundRealName = TryGetUserNames(request.uuid, out names);
+                if (names.Length == 2)
+                {
+                    if (!foundRealName)
+                        m_log.DebugFormat("[USER MANAGEMENT MODULE]: Sending {0} {1} for {2} to {3} since no bound name found", names[0], names[1], request.uuid, request.client.Name);
+                    request.client.SendNameReply(request.uuid, names[0], names[1]);
+                }
+            }
+        }
+    }
+    class NameRequest
+    {
+        public IClientAPI client;
+        public UUID uuid;
+        public NameRequest(IClientAPI c, UUID n)
+        {
+            client = c;
+            uuid = n;
+        }
    }
 }
 \ No newline at end of file
diff --git a/OpenSim/Region/CoreModules/Scripting/HttpRequest/Tests/ScriptsHttpRequestsTests.cs b/OpenSim/Region/CoreModules/Scripting/HttpRequest/Tests/ScriptsHttpRequestsTests.cs
new file mode 100644
index 0000000..e812d81
--- /dev/null
+++ b/OpenSim/Region/CoreModules/Scripting/HttpRequest/Tests/ScriptsHttpRequestsTests.cs
@@ -0,0 +1,198 @@
+/*
+ * 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 System.Collections.Generic;
+using System.IO;
+using System.Net;
+using System.Reflection;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading;
+using log4net.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenMetaverse.Assets;
+using OpenSim.Framework;
+using OpenSim.Region.CoreModules.Scripting.HttpRequest;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Tests.Common;
+using OpenSim.Tests.Common.Mock;
+namespace OpenSim.Region.CoreModules.Scripting.HttpRequest.Tests
+{
+    class TestWebRequestCreate : IWebRequestCreate
+    {       
+        public TestWebRequest NextRequest { get; set; }
+        public WebRequest Create(Uri uri)
+        {
+//            NextRequest.RequestUri = uri;
+            return NextRequest;
+//            return new TestWebRequest(new SerializationInfo(typeof(TestWebRequest), new FormatterConverter()), new StreamingContext());
+        }
+    }
+    class TestWebRequest : WebRequest
+    {
+        public override string ContentType { get; set; }
+        public override string Method { get; set; }
+        public Func<IAsyncResult, WebResponse> OnEndGetResponse { get; set; }
+        public TestWebRequest() : base() 
+        {
+//            Console.WriteLine("created");
+        }
+//        public TestWebRequest(SerializationInfo serializationInfo, StreamingContext streamingContext) 
+//            : base(serializationInfo, streamingContext) 
+//        {
+//            Console.WriteLine("created");
+//        }
+        public override IAsyncResult BeginGetResponse(AsyncCallback callback, object state)
+        {
+//            Console.WriteLine("bish");
+            TestAsyncResult tasr = new TestAsyncResult();
+            callback(tasr);
+            return tasr;
+        }
+        public override WebResponse EndGetResponse(IAsyncResult asyncResult)
+        {
+//            Console.WriteLine("bosh");
+            return OnEndGetResponse(asyncResult);
+        }
+    }
+    class TestHttpWebResponse : HttpWebResponse
+    {
+        public string Response { get; set; }
+        public TestHttpWebResponse(SerializationInfo serializationInfo, StreamingContext streamingContext) 
+            : base(serializationInfo, streamingContext) {}
+        public override Stream GetResponseStream()
+        {
+            return new MemoryStream(Encoding.UTF8.GetBytes(Response));
+        }
+    }
+    class TestAsyncResult : IAsyncResult
+    {
+        WaitHandle m_wh = new ManualResetEvent(true);
+        object IAsyncResult.AsyncState 
+        {
+            get {
+                throw new System.NotImplementedException ();
+            }
+        }
+        WaitHandle IAsyncResult.AsyncWaitHandle 
+        {
+            get { return m_wh; }
+        }
+        bool IAsyncResult.CompletedSynchronously 
+        {
+            get { return false; }
+        }
+        bool IAsyncResult.IsCompleted 
+        {
+            get { return true; }
+        }
+    }
+    /// <summary>
+    /// Test script http request code.
+    /// </summary>
+    /// <remarks>
+    /// This class uses some very hacky workarounds in order to mock HttpWebResponse which are Mono dependent (though
+    /// alternative code can be written to make this work for Windows).  However, the value of being able to
+    /// regression test this kind of code is very high.
+    /// </remarks>
+    [TestFixture]
+    public class ScriptsHttpRequestsTests : OpenSimTestCase
+    {
+        /// <summary>
+        /// Test what happens when we get a 404 response from a call.
+        /// </summary>
+        [Test]
+        public void Test404Response()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+            if (!Util.IsPlatformMono)
+                Assert.Ignore("Ignoring test since can only currently run on Mono");           
+            string rawResponse = "boom";
+            TestWebRequestCreate twrc = new TestWebRequestCreate();
+            TestWebRequest twr = new TestWebRequest();
+            //twr.OnEndGetResponse += ar => new TestHttpWebResponse(null, new StreamingContext());
+            twr.OnEndGetResponse += ar => 
+            {
+                SerializationInfo si = new SerializationInfo(typeof(HttpWebResponse), new FormatterConverter());
+                StreamingContext sc = new StreamingContext();
+//                WebHeaderCollection headers = new WebHeaderCollection();
+//                si.AddValue("m_HttpResponseHeaders", headers);
+                si.AddValue("uri", new Uri("test://arrg"));
+//                si.AddValue("m_Certificate", null);
+                si.AddValue("version", HttpVersion.Version11);
+                si.AddValue("statusCode", HttpStatusCode.NotFound);
+                si.AddValue("contentLength", 0);
+                si.AddValue("method", "GET");
+                si.AddValue("statusDescription", "Not Found");
+                si.AddValue("contentType", null);
+                si.AddValue("cookieCollection", new CookieCollection());
+                TestHttpWebResponse thwr = new TestHttpWebResponse(si, sc);
+                thwr.Response = rawResponse;
+                throw new WebException("no message", null, WebExceptionStatus.ProtocolError, thwr);
+            };
+            twrc.NextRequest = twr;
+            WebRequest.RegisterPrefix("test", twrc);
+            HttpRequestClass hr = new HttpRequestClass();
+            hr.Url = "test://something";
+            hr.SendRequest();
+            Assert.That(hr.Status, Is.EqualTo((int)HttpStatusCode.NotFound));
+            Assert.That(hr.ResponseBody, Is.EqualTo(rawResponse));
+        }
+    }
+}
+\ No newline at end of file
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/GridUser/ActivityDetector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/GridUser/ActivityDetector.cs
index 221f815..e05d186 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/GridUser/ActivityDetector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/GridUser/ActivityDetector.cs
@@ -81,6 +81,11 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.GridUser
        public void OnConnectionClose(IClientAPI client)
        {
+            if (client == null)
+                return;
+            if (client.SceneAgent == null)
+                return;
            if (client.SceneAgent.IsChildAgent)
                return;
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteXInventoryServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteXInventoryServiceConnector.cs
index 70ba944..7f78076 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteXInventoryServiceConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/RemoteXInventoryServiceConnector.cs
@@ -195,19 +195,20 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
        {
            InventoryCollection invCol = m_RemoteConnector.GetFolderContent(userID, folderID);
-            if (invCol != null && UserManager != null)
+            // Commenting this for now, because it's causing more grief than good
-            {
+            //if (invCol != null && UserManager != null)
-                // Protect ourselves against the caller subsequently modifying the items list
+            //{
-                List<InventoryItemBase> items = new List<InventoryItemBase>(invCol.Items);
+            //    // 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
+            //    if (items != null && items.Count > 0)
-                    {
+            //        //Util.FireAndForget(delegate
-                        foreach (InventoryItemBase item in items)
+            //        //{
-                            if (!string.IsNullOrEmpty(item.CreatorData))
+            //            foreach (InventoryItemBase item in items)
-                                UserManager.AddUser(item.CreatorIdAsUuid, item.CreatorData);
+            //                if (!string.IsNullOrEmpty(item.CreatorData))
-                    });
+            //                    UserManager.AddUser(item.CreatorIdAsUuid, item.CreatorData);
-            }
+            //        //});
+            //}
            return invCol;
        }
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/LocalSimulationConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/LocalSimulationConnector.cs
index e4aa7bc..8207fb9 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/LocalSimulationConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/LocalSimulationConnector.cs
@@ -250,26 +250,6 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
            return true;
        }
-        public bool RetrieveAgent(GridRegion destination, UUID id, out IAgentData agent)
-        {
-            agent = null;
-            
-            if (destination == null)
-                return false;
-            if (m_scenes.ContainsKey(destination.RegionID))
-            {
-//                    m_log.DebugFormat(
-//                        "[LOCAL SIMULATION CONNECTOR]: Found region {0} {1} to send AgentUpdate",
-//                        s.RegionInfo.RegionName, destination.RegionHandle);
-                return m_scenes[destination.RegionID].IncomingRetrieveRootAgent(id, out agent);
-            }
-            //m_log.Debug("[LOCAL COMMS]: region not found for ChildAgentUpdate");
-            return false;
-        }
        public bool QueryAccess(GridRegion destination, UUID id, Vector3 position, out string version, out string reason)
        {
            reason = "Communications failure";
@@ -306,12 +286,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
            return false;
        }
-        public bool CloseChildAgent(GridRegion destination, UUID id)
+        public bool CloseAgent(GridRegion destination, UUID id, string auth_token)
-        {
-            return CloseAgent(destination, id);
-        }
-        public bool CloseAgent(GridRegion destination, UUID id)
        {
            if (destination == null)
                return false;
@@ -322,7 +297,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
 //                        "[LOCAL SIMULATION CONNECTOR]: Found region {0} {1} to send AgentUpdate",
 //                        s.RegionInfo.RegionName, destination.RegionHandle);
-                m_scenes[destination.RegionID].IncomingCloseAgent(id, false);
+                m_scenes[destination.RegionID].IncomingCloseAgent(id, false, auth_token);
                return true;
            }
            //m_log.Debug("[LOCAL COMMS]: region not found in SendCloseAgent");
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/RemoteSimulationConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/RemoteSimulationConnector.cs
index f7dae59..a1ab3e3 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/RemoteSimulationConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/RemoteSimulationConnector.cs
@@ -212,24 +212,6 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
            return m_remoteConnector.UpdateAgent(destination, cAgentData);
        }
-        public bool RetrieveAgent(GridRegion destination, UUID id, out IAgentData agent)
-        {
-            agent = null;
-            if (destination == null)
-                return false;
-            // Try local first
-            if (m_localBackend.RetrieveAgent(destination, id, out agent))
-                return true;
-            // else do the remote thing
-            if (!m_localBackend.IsLocalRegion(destination.RegionID))
-                return m_remoteConnector.RetrieveAgent(destination, id, out agent);
-            return false;
-        }
        public bool QueryAccess(GridRegion destination, UUID id, Vector3 position, out string version, out string reason)
        {
            reason = "Communications failure";
@@ -262,34 +244,18 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
            return false;
        }
-        public bool CloseChildAgent(GridRegion destination, UUID id)
+        public bool CloseAgent(GridRegion destination, UUID id, string auth_token)
-        {
-            if (destination == null)
-                return false;
-            // Try local first
-            if (m_localBackend.CloseChildAgent(destination, id))
-                return true;
-            // else do the remote thing
-            if (!m_localBackend.IsLocalRegion(destination.RegionHandle))
-                return m_remoteConnector.CloseChildAgent(destination, id);
-            return false;
-        }
-        public bool CloseAgent(GridRegion destination, UUID id)
        {
            if (destination == null)
                return false;
            // Try local first
-            if (m_localBackend.CloseAgent(destination, id))
+            if (m_localBackend.CloseAgent(destination, id, auth_token))
                return true;
            // else do the remote thing
            if (!m_localBackend.IsLocalRegion(destination.RegionID))
-                return m_remoteConnector.CloseAgent(destination, id);
+                return m_remoteConnector.CloseAgent(destination, id, auth_token);
            
            return false;
        }
diff --git a/OpenSim/Region/CoreModules/World/Estate/XEstateRequestHandler.cs b/OpenSim/Region/CoreModules/World/Estate/XEstateRequestHandler.cs
index eb74cda..2366767 100644
--- a/OpenSim/Region/CoreModules/World/Estate/XEstateRequestHandler.cs
+++ b/OpenSim/Region/CoreModules/World/Estate/XEstateRequestHandler.cs
@@ -55,7 +55,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
            m_EstateModule = fmodule;
        }
-        public override byte[] Handle(string path, Stream requestData,
+        protected override byte[] ProcessRequest(string path, Stream requestData,
                IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
        {
            StreamReader sr = new StreamReader(requestData);
diff --git a/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs b/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs
index 8a40278..29652aa 100644
--- a/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs
+++ b/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs
@@ -55,7 +55,6 @@ namespace OpenSim.Region.Framework.Scenes
        private object m_lockObject = new object();
        private object m_timerLock = new object();
        private const double m_tickDuration = 50.0;
-        private Scene m_scene;
        public double TickDuration
        {
@@ -69,8 +68,6 @@ namespace OpenSim.Region.Framework.Scenes
            m_timer.AutoReset = true;
            m_timer.Elapsed += OnTimer;
-            m_scene = scene;
            m_timer.Start();
        }
@@ -94,13 +91,13 @@ namespace OpenSim.Region.Framework.Scenes
                    {
                        m.OnTimer(TickDuration);
                    }
-                    catch (Exception inner)
+                    catch (Exception)
                    {
                        // Don't stop processing
                    }
                }
            }
-            catch (Exception e)
+            catch (Exception)
            {
                // Keep running no matter what
            }
@@ -157,7 +154,7 @@ namespace OpenSim.Region.Framework.Scenes
    [Serializable]
    public class KeyframeMotion
    {
-        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
        public enum PlayMode : int
        {
diff --git a/OpenSim/Region/Framework/Scenes/RegionStatsHandler.cs b/OpenSim/Region/Framework/Scenes/RegionStatsHandler.cs
index c11174d..f208afb 100644
--- a/OpenSim/Region/Framework/Scenes/RegionStatsHandler.cs
+++ b/OpenSim/Region/Framework/Scenes/RegionStatsHandler.cs
@@ -46,47 +46,33 @@ using OpenSim.Region.Framework.Scenes;
 namespace OpenSim.Region.Framework.Scenes
 {
-    public class RegionStatsHandler : IStreamedRequestHandler
+    public class RegionStatsHandler : BaseStreamHandler
    {
        //private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-        private string osRXStatsURI = String.Empty;
        private string osXStatsURI = String.Empty;
        //private string osSecret = String.Empty;
        private OpenSim.Framework.RegionInfo regionInfo;
        public string localZone = TimeZone.CurrentTimeZone.StandardName;
        public TimeSpan utcOffset = TimeZone.CurrentTimeZone.GetUtcOffset(DateTime.Now);
-        public string Name { get { return "RegionStats"; } }
+        public RegionStatsHandler(RegionInfo region_info) 
-        public string Description { get { return "Region Statistics"; } }
+            : base("GET", "/" + Util.SHA1Hash(region_info.regionSecret), "RegionStats", "Region Statistics")
-        public RegionStatsHandler(RegionInfo region_info)
        {
            regionInfo = region_info;
-            osRXStatsURI = Util.SHA1Hash(regionInfo.regionSecret);
            osXStatsURI = Util.SHA1Hash(regionInfo.osSecret);
        }
                    
-        public byte[] Handle(string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
+        protected override byte[] ProcessRequest(
+            string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
        {
            return Util.UTF8.GetBytes(Report());
        }
-        public string ContentType
+        public override string ContentType
        {
            get { return "text/plain"; }
        }
-        public string HttpMethod
-        {
-            get { return "GET"; }
-        }
-        public string Path
-        {
-            // This is for the region and is the regionSecret hashed
-            get { return "/" + osRXStatsURI; }
-        }
        
        private string Report()
        {
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index c743190..c132c5d 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -3258,7 +3258,6 @@ namespace OpenSim.Region.Framework.Scenes
        {
            //client.OnNameFromUUIDRequest += HandleUUIDNameRequest;
            client.OnMoneyTransferRequest += ProcessMoneyTransferRequest;
-            client.OnRegionHandleRequest += RegionHandleRequest;
        }
        
        public virtual void SubscribeToClientNetworkEvents(IClientAPI client)
@@ -3384,7 +3383,6 @@ namespace OpenSim.Region.Framework.Scenes
        {
            //client.OnNameFromUUIDRequest -= HandleUUIDNameRequest;
            client.OnMoneyTransferRequest -= ProcessMoneyTransferRequest;
-            client.OnRegionHandleRequest -= RegionHandleRequest;
        }
        public virtual void UnSubscribeToClientNetworkEvents(IClientAPI client)
@@ -3611,7 +3609,7 @@ namespace OpenSim.Region.Framework.Scenes
                        regions.Remove(RegionInfo.RegionHandle);
                        // This ends up being done asynchronously so that a logout isn't held up where there are many present but unresponsive neighbours.
-                        m_sceneGridService.SendCloseChildAgentConnections(agentID, regions);
+                        m_sceneGridService.SendCloseChildAgentConnections(agentID, acd.SessionID.ToString(), regions);
                    }
    
                    m_eventManager.TriggerClientClosed(agentID, this);
@@ -3858,8 +3856,10 @@ namespace OpenSim.Region.Framework.Scenes
                    m_log.WarnFormat(
                        "[SCENE]: Existing root scene presence detected for {0} {1} in {2} when connecting.  Removing existing presence.",
                        sp.Name, sp.UUID, RegionInfo.RegionName);
+    
+                    if (sp.ControllingClient != null)
+                        sp.ControllingClient.Close(true, true);
-                    sp.ControllingClient.Close(true, true);
                    sp = null;
                }
            }
@@ -4394,10 +4394,16 @@ namespace OpenSim.Region.Framework.Scenes
            if (childAgentUpdate != null)
            {
+                if (cAgentData.SessionID != childAgentUpdate.ControllingClient.SessionId)
+                {
+                    m_log.WarnFormat("[SCENE]: Attempt to update agent {0} with invalid session id {1} (possibly from simulator in older version; tell them to update).", childAgentUpdate.UUID, cAgentData.SessionID);
+                    Console.WriteLine(String.Format("[SCENE]: Attempt to update agent {0} ({1}) with invalid session id {2}", 
+                        childAgentUpdate.UUID, childAgentUpdate.ControllingClient.SessionId, cAgentData.SessionID));
+                }
                childAgentUpdate.ChildAgentDataUpdate(cAgentData);
                return true;
            }
            return false;
        }
@@ -4413,20 +4419,24 @@ namespace OpenSim.Region.Framework.Scenes
            ScenePresence childAgentUpdate = GetScenePresence(cAgentData.AgentID);
            if (childAgentUpdate != null)
            {
-                // I can't imagine *yet* why we would get an update if the agent is a root agent..
+                if (childAgentUpdate.ControllingClient.SessionId == cAgentData.SessionID)
-                // however to avoid a race condition crossing borders..
+                {
-                if (childAgentUpdate.IsChildAgent)
+                    // I can't imagine *yet* why we would get an update if the agent is a root agent..
-                {
+                    // however to avoid a race condition crossing borders..
-                    uint rRegionX = (uint)(cAgentData.RegionHandle >> 40);
+                    if (childAgentUpdate.IsChildAgent)
-                    uint rRegionY = (((uint)(cAgentData.RegionHandle)) >> 8);
+                    {
-                    uint tRegionX = RegionInfo.RegionLocX;
+                        uint rRegionX = (uint)(cAgentData.RegionHandle >> 40);
-                    uint tRegionY = RegionInfo.RegionLocY;
+                        uint rRegionY = (((uint)(cAgentData.RegionHandle)) >> 8);
-                    //Send Data to ScenePresence
+                        uint tRegionX = RegionInfo.RegionLocX;
-                    childAgentUpdate.ChildAgentDataUpdate(cAgentData, tRegionX, tRegionY, rRegionX, rRegionY);
+                        uint tRegionY = RegionInfo.RegionLocY;
-                    // Not Implemented:
+                        //Send Data to ScenePresence
-                    //TODO: Do we need to pass the message on to one of our neighbors?
+                        childAgentUpdate.ChildAgentDataUpdate(cAgentData, tRegionX, tRegionY, rRegionX, rRegionY);
+                        // Not Implemented:
+                        //TODO: Do we need to pass the message on to one of our neighbors?
+                    }
                }
+                else
+                    m_log.WarnFormat("[SCENE]: Attempt at updating position of agent {0} with invalid session id {1}", childAgentUpdate.UUID, cAgentData.SessionID);
                return true;
            }
@@ -4469,6 +4479,25 @@ namespace OpenSim.Region.Framework.Scenes
            return false;
        }
+        /// <summary>
+        /// Authenticated close (via network)
+        /// </summary>
+        /// <param name="agentID"></param>
+        /// <param name="force"></param>
+        /// <param name="auth_token"></param>
+        /// <returns></returns>
+        public bool IncomingCloseAgent(UUID agentID, bool force, string auth_token)
+        {
+            //m_log.DebugFormat("[SCENE]: Processing incoming close agent {0} in region {1} with auth_token {2}", agentID, RegionInfo.RegionName, auth_token);
+            // Check that the auth_token is valid
+            AgentCircuitData acd = AuthenticateHandler.GetAgentCircuitData(agentID);
+            if (acd != null && acd.SessionID.ToString() == auth_token)
+                return IncomingCloseAgent(agentID, force);
+            else
+                m_log.ErrorFormat("[SCENE]: Request to close agent {0} with invalid authorization token {1}", agentID, auth_token);
+            return false;
+        }
        public bool IncomingCloseAgent(UUID agentID)
        {
@@ -4491,7 +4520,6 @@ namespace OpenSim.Region.Framework.Scenes
        public bool IncomingCloseAgent(UUID agentID, bool force)
        {
            //m_log.DebugFormat("[SCENE]: Processing incoming close agent for {0}", agentID);
            ScenePresence presence = m_sceneGraph.GetScenePresence(agentID);
            if (presence != null)
            {
@@ -4499,7 +4527,7 @@ namespace OpenSim.Region.Framework.Scenes
                return true;
            }
-            // Agent not here
+            // Agent not here 
            return false;
        }
@@ -5089,22 +5117,6 @@ namespace OpenSim.Region.Framework.Scenes
        #endregion
-        public void RegionHandleRequest(IClientAPI client, UUID regionID)
-        {
-            m_log.DebugFormat("[SCENE]: RegionHandleRequest {0}", regionID);
-            ulong handle = 0;
-            if (regionID == RegionInfo.RegionID)
-                handle = RegionInfo.RegionHandle;
-            else
-            {
-                GridRegion r = GridService.GetRegionByUUID(UUID.Zero, regionID);
-                if (r != null)
-                    handle = r.RegionHandle;
-            }
-            if (handle != 0)
-                client.SendRegionHandle(regionID, handle);
-        }
 // Commented pending deletion since this method no longer appears to do anything at all
 //        public bool NeedSceneCacheClear(UUID agentID)
diff --git a/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs b/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
index df61dde..52f46f2 100644
--- a/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
@@ -200,7 +200,7 @@ namespace OpenSim.Region.Framework.Scenes
        /// This Closes child agents on neighboring regions
        /// Calls an asynchronous method to do so..  so it doesn't lag the sim.
        /// </summary>
-        protected void SendCloseChildAgentAsync(UUID agentID, ulong regionHandle)
+        protected void SendCloseChildAgent(UUID agentID, ulong regionHandle, string auth_token)
        {
            // let's do our best, but there's not much we can do if the neighbour doesn't accept.
@@ -209,24 +209,25 @@ namespace OpenSim.Region.Framework.Scenes
            Utils.LongToUInts(regionHandle, out x, out y);
            GridRegion destination = m_scene.GridService.GetRegionByPosition(m_regionInfo.ScopeID, (int)x, (int)y);
-            m_scene.SimulationService.CloseChildAgent(destination, agentID);
-        }
-        private void SendCloseChildAgentCompleted(IAsyncResult iar)
+            m_log.DebugFormat(
-        {
+                "[SCENE COMMUNICATION SERVICE]: Sending close agent ID {0} to {1}", agentID, destination.RegionName);
-            SendCloseChildAgentDelegate icon = (SendCloseChildAgentDelegate)iar.AsyncState;
-            icon.EndInvoke(iar);
+            m_scene.SimulationService.CloseAgent(destination, agentID, auth_token);
        }
-        public void SendCloseChildAgentConnections(UUID agentID, List<ulong> regionslst)
+        /// <summary>
+        /// Closes a child agents in a collection of regions. Does so asynchronously 
+        /// so that the caller doesn't wait.
+        /// </summary>
+        /// <param name="agentID"></param>
+        /// <param name="regionslst"></param>
+        public void SendCloseChildAgentConnections(UUID agentID, string auth_code, List<ulong> regionslst)
        {
            foreach (ulong handle in regionslst)
            {
                ulong handleCopy = handle;
-                SendCloseChildAgentDelegate d = SendCloseChildAgentAsync;
+                Util.FireAndForget((o) => { SendCloseChildAgent(agentID, handleCopy, auth_code); });
-                d.BeginInvoke(agentID, handleCopy,
-                              SendCloseChildAgentCompleted,
-                              d);
            }
        }
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.Inventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.Inventory.cs
index f8624e7..8c50a81 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.Inventory.cs
@@ -67,6 +67,12 @@ namespace OpenSim.Region.Framework.Scenes
        {
            int scriptsStarted = 0;
+            if (m_scene == null)
+            {
+                m_log.DebugFormat("[PRIM INVENTORY]: m_scene is null. Unable to create script instances");
+                return 0;
+            }
            // Don't start scripts if they're turned off in the region!
            if (!m_scene.RegionInfo.RegionSettings.DisableScripts)
            {
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index f13f7ab..95ffc77 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -543,7 +543,11 @@ namespace OpenSim.Region.Framework.Scenes
                        CreatorID = uuid;
                    }
                    if (parts.Length >= 2)
+                    {
                        CreatorData = parts[1];
+                        if (!CreatorData.EndsWith("/"))
+                            CreatorData += "/";
+                    }
                    if (parts.Length >= 3)
                        name = parts[2];
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
index d04d87b..3be0623 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
@@ -696,7 +696,8 @@ namespace OpenSim.Region.Framework.Scenes
        /// </param>
        public void StopScriptInstance(TaskInventoryItem item)
        {
-            m_part.ParentGroup.Scene.EventManager.TriggerStopScript(m_part.LocalId, item.ItemID);
+            if (m_part.ParentGroup.Scene != null)
+                m_part.ParentGroup.Scene.EventManager.TriggerStopScript(m_part.LocalId, item.ItemID);
            // At the moment, even stopped scripts are counted as active, which is probably wrong.
 //            m_part.ParentGroup.AddActiveScriptCount(-1);
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 4ae0eb1..6e4ac98 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -1151,9 +1151,9 @@ namespace OpenSim.Region.Framework.Scenes
            MovementFlag = 0;
-            m_scene.EventManager.TriggerOnMakeRootAgent(this);
+            // DIVA NOTE: I moved TriggerOnMakeRootAgent out of here and into the end of
+            // CompleteMovement. We don't want modules doing heavy computation before CompleteMovement
-            m_scene.EventManager.OnRegionHeartbeatEnd += RegionHeartbeatEnd;
+            // is over.
        }
        public int GetStateSource()
@@ -1519,10 +1519,15 @@ namespace OpenSim.Region.Framework.Scenes
            bool flying = ((m_AgentControlFlags & AgentManager.ControlFlags.AGENT_CONTROL_FLY) != 0);
            MakeRootAgent(AbsolutePosition, flying);
            ControllingClient.MoveAgentIntoRegion(m_scene.RegionInfo, AbsolutePosition, look);
+            // Remember in HandleUseCircuitCode, we delayed this to here
+            // This will also send the initial data to clients when TP to a neighboring region. 
+            // Not ideal, but until we know we're TP-ing from a neighboring region, there's not much we can do
+            if (m_teleportFlags > 0)
+                SendInitialDataToMe();
 //            m_log.DebugFormat("[SCENE PRESENCE] Completed movement");
-            if ((m_callbackURI != null) && !m_callbackURI.Equals(""))
+            if (!string.IsNullOrEmpty(m_callbackURI))
            {
                // We cannot sleep here since this would hold up the inbound packet processing thread, as
                // CompleteMovement() is executed synchronously.  However, it might be better to delay the release
@@ -1550,9 +1555,6 @@ namespace OpenSim.Region.Framework.Scenes
            // Create child agents in neighbouring regions
            if (openChildAgents && !IsChildAgent)
            {
-                // Remember in HandleUseCircuitCode, we delayed this to here
-                SendInitialDataToMe();
                IEntityTransferModule m_agentTransfer = m_scene.RequestModuleInterface<IEntityTransferModule>();
                if (m_agentTransfer != null)
                    m_agentTransfer.EnableChildAgents(this);
@@ -1575,6 +1577,11 @@ namespace OpenSim.Region.Framework.Scenes
 //            m_log.DebugFormat(
 //                "[SCENE PRESENCE]: Completing movement of {0} into region {1} took {2}ms", 
 //                client.Name, Scene.RegionInfo.RegionName, (DateTime.Now - startTime).Milliseconds);
+            // DIVA NOTE: moved this here from MakeRoot. We don't want modules making heavy
+            // computations before CompleteMovement is over
+            m_scene.EventManager.TriggerOnMakeRootAgent(this);
        }
        /// <summary>
@@ -2886,11 +2893,12 @@ namespace OpenSim.Region.Framework.Scenes
                SendOtherAgentsAppearanceToMe();
                EntityBase[] entities = Scene.Entities.GetEntities();
-                foreach(EntityBase e in entities)
+                foreach (EntityBase e in entities)
                {
                    if (e != null && e is SceneObjectGroup)
                        ((SceneObjectGroup)e).SendFullUpdateToClient(ControllingClient);
                }
            });
        }
@@ -3116,7 +3124,7 @@ namespace OpenSim.Region.Framework.Scenes
                cadu.Velocity = Velocity;
                AgentPosition agentpos = new AgentPosition();
-                agentpos.CopyFrom(cadu);
+                agentpos.CopyFrom(cadu, ControllingClient.SessionId);
                // Let's get this out of the update loop
                Util.FireAndForget(delegate { m_scene.SendOutChildAgentUpdates(agentpos, this); });
@@ -3355,7 +3363,11 @@ namespace OpenSim.Region.Framework.Scenes
            {
                m_log.Debug("[SCENE PRESENCE]: Closing " + byebyeRegions.Count + " child agents");
-                m_scene.SceneGridService.SendCloseChildAgentConnections(ControllingClient.AgentId, byebyeRegions); 
+                AgentCircuitData acd = Scene.AuthenticateHandler.GetAgentCircuitData(UUID);
+                string auth = string.Empty;
+                if (acd != null)
+                    auth = acd.SessionID.ToString();
+                m_scene.SceneGridService.SendCloseChildAgentConnections(ControllingClient.AgentId, auth, byebyeRegions); 
            }
            
            foreach (ulong handle in byebyeRegions)
@@ -3456,6 +3468,7 @@ namespace OpenSim.Region.Framework.Scenes
            cAgent.AgentID = UUID;
            cAgent.RegionID = Scene.RegionInfo.RegionID;
+            cAgent.SessionID = ControllingClient.SessionId;
            cAgent.Position = AbsolutePosition;
            cAgent.Velocity = m_velocity;
diff --git a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCapabilityTests.cs b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCapabilityTests.cs
new file mode 100644
index 0000000..4ae7a8e
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCapabilityTests.cs
@@ -0,0 +1,88 @@
+/*
+ * 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 System.Collections.Generic;
+using System.Reflection;
+using System.Text;
+using System.Threading;
+using System.Timers;
+using Timer = System.Timers.Timer;
+using Nini.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Framework.Communications;
+using OpenSim.Framework.Servers;
+using OpenSim.Framework.Servers.HttpServer;
+using OpenSim.Region.ClientStack.Linden;
+using OpenSim.Region.CoreModules.Framework;
+using OpenSim.Region.CoreModules.Framework.EntityTransfer;
+using OpenSim.Region.CoreModules.World.Serialiser;
+using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Tests.Common;
+using OpenSim.Tests.Common.Mock;
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    [TestFixture]
+    public class ScenePresenceCapabilityTests : OpenSimTestCase
+    {
+        [Test]
+        public void TestChildAgentSingleRegionCapabilities()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+            UUID spUuid = TestHelpers.ParseTail(0x1);
+            // XXX: This is not great since the use of statics will mean that this has to be manually cleaned up for
+            // any subsequent test.
+            // XXX: May replace with a mock IHttpServer later.
+            BaseHttpServer httpServer = new BaseHttpServer(99999);
+            MainServer.AddHttpServer(httpServer);
+            MainServer.Instance = httpServer;
+            CapabilitiesModule capsMod = new CapabilitiesModule();
+            TestScene scene = new SceneHelpers().SetupScene();
+            SceneHelpers.SetupSceneModules(scene, capsMod);
+            ScenePresence sp = SceneHelpers.AddChildScenePresence(scene, spUuid);
+            //Assert.That(capsMod.GetCapsForUser(spUuid), Is.Not.Null);
+            // TODO: Need to add tests for other ICapabiltiesModule methods.
+            scene.IncomingCloseAgent(sp.UUID, false);
+            //Assert.That(capsMod.GetCapsForUser(spUuid), Is.Null);
+            // TODO: Need to add tests for other ICapabiltiesModule methods.
+        }
+    }
+}
diff --git a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCrossingTests.cs b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCrossingTests.cs
index 5a72239..5df9aba 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCrossingTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCrossingTests.cs
@@ -112,6 +112,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
            //moveArgs.BodyRotation = Quaternion.CreateFromEulers(Vector3.Zero);
            moveArgs.BodyRotation = Quaternion.CreateFromEulers(new Vector3(0, 0, (float)-(Math.PI / 2)));
            moveArgs.ControlFlags = (uint)AgentManager.ControlFlags.AGENT_CONTROL_AT_POS;
+            moveArgs.SessionID = acd.SessionID;
            originalSp.HandleAgentUpdate(originalSp.ControllingClient, moveArgs);
diff --git a/OpenSim/Region/OptionalModules/Agent/UDP/Linden/LindenUDPInfoModule.cs b/OpenSim/Region/OptionalModules/Agent/UDP/Linden/LindenUDPInfoModule.cs
index 992f38e..79509ab 100644
--- a/OpenSim/Region/OptionalModules/Agent/UDP/Linden/LindenUDPInfoModule.cs
+++ b/OpenSim/Region/OptionalModules/Agent/UDP/Linden/LindenUDPInfoModule.cs
@@ -27,6 +27,7 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Reflection;
 using System.Text;
 using log4net;
@@ -51,7 +52,7 @@ namespace OpenSim.Region.OptionalModules.UDP.Linden
    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "LindenUDPInfoModule")]
    public class LindenUDPInfoModule : ISharedRegionModule
    {
-//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);                
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);                
        
        protected Dictionary<UUID, Scene> m_scenes = new Dictionary<UUID, Scene>();
        
@@ -130,6 +131,15 @@ namespace OpenSim.Region.OptionalModules.UDP.Linden
                "Go on/off emergency monitoring mode",
                "Go on/off emergency monitoring mode",
                HandleEmergencyMonitoring);
+            scene.AddCommand(
+                "Comms", this, "show client stats",
+                "show client stats [first_name last_name]",
+                "Show client request stats",
+                "Without the 'first_name last_name' option, all clients are shown."
+                  + "  With the 'first_name last_name' option only a specific client is shown.",
+                (mod, cmd) => MainConsole.Instance.Output(HandleClientStatsReport(cmd)));
        }
        
        public void RemoveRegion(Scene scene)
@@ -587,6 +597,102 @@ namespace OpenSim.Region.OptionalModules.UDP.Linden
                (throttleRates.Asset  * 8) / 1000);  
            return report.ToString();
-        }        
+        }
+        /// <summary>
+        /// Show client stats data
+        /// </summary>
+        /// <param name="showParams"></param>
+        /// <returns></returns>
+        protected string HandleClientStatsReport(string[] showParams)
+        {
+            // NOTE: This writes to m_log on purpose. We want to store this information
+            // in case we need to analyze it later.
+            //
+            if (showParams.Length <= 4)
+            {
+                m_log.InfoFormat("[INFO]: {0,-12} {1,20} {2,6} {3,11} {4, 10}", "Region", "Name", "Root", "Time", "Reqs/min");
+                foreach (Scene scene in m_scenes.Values)
+                {
+                    scene.ForEachClient(
+                        delegate(IClientAPI client)
+                        {
+                            if (client is LLClientView)
+                            {
+                                LLClientView llClient = client as LLClientView;
+                                ClientInfo cinfo = llClient.UDPClient.GetClientInfo();
+                                int avg_reqs = cinfo.AsyncRequests.Values.Sum() + cinfo.GenericRequests.Values.Sum() + cinfo.SyncRequests.Values.Sum();
+                                avg_reqs = avg_reqs / ((DateTime.Now - cinfo.StartedTime).Minutes + 1);
+                                m_log.InfoFormat("[INFO]: {0,-12} {1,20} {2,4} {3,9}min {4,10}", 
+                                    scene.RegionInfo.RegionName, llClient.Name,
+                                    (llClient.SceneAgent.IsChildAgent ? "N" : "Y"), (DateTime.Now - cinfo.StartedTime).Minutes, avg_reqs);
+                            }
+                        });
+                }
+                return string.Empty;
+            }
+            string fname = "", lname = "";
+            if (showParams.Length > 3)
+                fname = showParams[3];
+            if (showParams.Length > 4)
+                lname = showParams[4];
+            foreach (Scene scene in m_scenes.Values)
+            {
+                scene.ForEachClient(
+                    delegate(IClientAPI client)
+                    {
+                        if (client is LLClientView)
+                        {
+                            LLClientView llClient = client as LLClientView;
+                            if (llClient.Name == fname + " " + lname)
+                            {
+                                ClientInfo cinfo = llClient.GetClientInfo();
+                                AgentCircuitData aCircuit = scene.AuthenticateHandler.GetAgentCircuitData(llClient.CircuitCode);
+                                if (aCircuit == null) // create a dummy one
+                                    aCircuit = new AgentCircuitData();
+                                if (!llClient.SceneAgent.IsChildAgent)
+                                    m_log.InfoFormat("[INFO]: {0} # {1} # {2}", llClient.Name, aCircuit.Viewer, aCircuit.Id0);
+                                int avg_reqs = cinfo.AsyncRequests.Values.Sum() + cinfo.GenericRequests.Values.Sum() + cinfo.SyncRequests.Values.Sum();
+                                avg_reqs = avg_reqs / ((DateTime.Now - cinfo.StartedTime).Minutes + 1);
+                                m_log.InfoFormat("[INFO]:");
+                                m_log.InfoFormat("[INFO]: {0} # {1} # Time: {2}min # Avg Reqs/min: {3}", scene.RegionInfo.RegionName,
+                                    (llClient.SceneAgent.IsChildAgent ? "Child" : "Root"), (DateTime.Now - cinfo.StartedTime).Minutes, avg_reqs);
+                                Dictionary<string, int> sortedDict = (from entry in cinfo.AsyncRequests orderby entry.Value descending select entry)
+                                        .ToDictionary(pair => pair.Key, pair => pair.Value);
+                                PrintRequests("TOP ASYNC", sortedDict, cinfo.AsyncRequests.Values.Sum());
+                                sortedDict = (from entry in cinfo.SyncRequests orderby entry.Value descending select entry)
+                                        .ToDictionary(pair => pair.Key, pair => pair.Value);
+                                PrintRequests("TOP SYNC", sortedDict, cinfo.SyncRequests.Values.Sum());
+                                sortedDict = (from entry in cinfo.GenericRequests orderby entry.Value descending select entry)
+                                        .ToDictionary(pair => pair.Key, pair => pair.Value);
+                                PrintRequests("TOP GENERIC", sortedDict, cinfo.GenericRequests.Values.Sum());
+                            }
+                        }
+                    });
+            }
+            return string.Empty;
+        }
+        private void PrintRequests(string type, Dictionary<string, int> sortedDict, int sum)
+        {
+            m_log.InfoFormat("[INFO]:");
+            m_log.InfoFormat("[INFO]: {0,25}", type);
+            foreach (KeyValuePair<string, int> kvp in sortedDict.Take(12))
+                m_log.InfoFormat("[INFO]: {0,25} {1,-6}", kvp.Key, kvp.Value);
+            m_log.InfoFormat("[INFO]: {0,25}", "...");
+            m_log.InfoFormat("[INFO]: {0,25} {1,-6}", "Total", sum);
+        }
    }
 }
 \ No newline at end of file
diff --git a/OpenSim/Region/OptionalModules/Materials/MaterialsDemoModule.cs b/OpenSim/Region/OptionalModules/Materials/MaterialsDemoModule.cs
index 3a39971..d8f5563 100644
--- a/OpenSim/Region/OptionalModules/Materials/MaterialsDemoModule.cs
+++ b/OpenSim/Region/OptionalModules/Materials/MaterialsDemoModule.cs
@@ -139,18 +139,21 @@ namespace OpenSim.Region.OptionalModules.MaterialsDemoModule
        {
            string capsBase = "/CAPS/" + caps.CapsObjectPath;
-            IRequestHandler renderMaterialsPostHandler = new RestStreamHandler("POST", capsBase + "/", RenderMaterialsPostCap);
+            IRequestHandler renderMaterialsPostHandler 
+                = new RestStreamHandler("POST", capsBase + "/", RenderMaterialsPostCap, "RenderMaterials", null);
            caps.RegisterHandler("RenderMaterials", renderMaterialsPostHandler);
            // OpenSimulator CAPs infrastructure seems to be somewhat hostile towards any CAP that requires both GET
            // and POST handlers, (at least at the time this was originally written), so we first set up a POST
            // handler normally and then add a GET handler via MainServer
-            IRequestHandler renderMaterialsGetHandler = new RestStreamHandler("GET", capsBase + "/", RenderMaterialsGetCap);
+            IRequestHandler renderMaterialsGetHandler 
+                = new RestStreamHandler("GET", capsBase + "/", RenderMaterialsGetCap, "RenderMaterials", null);
            MainServer.Instance.AddStreamHandler(renderMaterialsGetHandler);
            // materials viewer seems to use either POST or PUT, so assign POST handler for PUT as well
-            IRequestHandler renderMaterialsPutHandler = new RestStreamHandler("PUT", capsBase + "/", RenderMaterialsPostCap);
+            IRequestHandler renderMaterialsPutHandler 
+                = new RestStreamHandler("PUT", capsBase + "/", RenderMaterialsPostCap, "RenderMaterials", null);
            MainServer.Instance.AddStreamHandler(renderMaterialsPutHandler);
        }
        
@@ -394,7 +397,6 @@ namespace OpenSim.Region.OptionalModules.MaterialsDemoModule
                                                m_log.Debug("[MaterialsDemoModule]: null SOP for localId: " + matLocalID.ToString());
                                            else
                                            {
-                                                //var te = sop.Shape.Textures;
                                                var te = new Primitive.TextureEntry(sop.Shape.TextureEntry, 0, sop.Shape.TextureEntry.Length);
                                                if (te == null)
@@ -413,14 +415,7 @@ namespace OpenSim.Region.OptionalModules.MaterialsDemoModule
                                                            if (te.DefaultTexture == null)
                                                                m_log.Debug("[MaterialsDemoModule]: te.DefaultTexture is null");
                                                            else
-                                                            {
+                                                                te.DefaultTexture.MaterialID = id;
-                                                                if (te.DefaultTexture.MaterialID == null)
-                                                                    m_log.Debug("[MaterialsDemoModule]: te.DefaultTexture.MaterialID is null");
-                                                                else
-                                                                {
-                                                                    te.DefaultTexture.MaterialID = id;
-                                                                }
-                                                            }
                                                        }
                                                        else
                                                        {
diff --git a/OpenSim/Region/OptionalModules/ViewerSupport/DynamicMenuModule.cs b/OpenSim/Region/OptionalModules/ViewerSupport/DynamicMenuModule.cs
index c68fe99..3b3b300 100644
--- a/OpenSim/Region/OptionalModules/ViewerSupport/DynamicMenuModule.cs
+++ b/OpenSim/Region/OptionalModules/ViewerSupport/DynamicMenuModule.cs
@@ -263,7 +263,7 @@ namespace OpenSim.Region.OptionalModules.ViewerSupport
            m_module = module;
        }
-        public override byte[] Handle(string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
+        protected override byte[] ProcessRequest(string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
        {
            StreamReader reader = new StreamReader(request);
            string requestBody = reader.ReadToEnd();
diff --git a/OpenSim/Region/OptionalModules/World/WorldView/WorldViewRequestHandler.cs b/OpenSim/Region/OptionalModules/World/WorldView/WorldViewRequestHandler.cs
index 550b5d4..8720cc7 100644
--- a/OpenSim/Region/OptionalModules/World/WorldView/WorldViewRequestHandler.cs
+++ b/OpenSim/Region/OptionalModules/World/WorldView/WorldViewRequestHandler.cs
@@ -55,7 +55,7 @@ namespace OpenSim.Region.OptionalModules.World.WorldView
            m_WorldViewModule = fmodule;
        }
-        public override byte[] Handle(string path, Stream requestData,
+        protected override byte[] ProcessRequest(string path, Stream requestData,
                IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
        {
            httpResponse.ContentType = "image/jpeg";
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs b/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
index 5ef6992..c9e3ca0 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
@@ -43,12 +43,10 @@ public sealed class BSCharacter : BSPhysObject
    private OMV.Vector3 _size;
    private bool _grabbed;
    private bool _selected;
-    private OMV.Vector3 _position;
    private float _mass;
    private float _avatarVolume;
    private float _collisionScore;
    private OMV.Vector3 _acceleration;
-    private OMV.Quaternion _orientation;
    private int _physicsActorType;
    private bool _isPhysical;
    private bool _flying;
@@ -70,10 +68,10 @@ public sealed class BSCharacter : BSPhysObject
            : base(parent_scene, localID, avName, "BSCharacter")
    {
        _physicsActorType = (int)ActorTypes.Agent;
-        _position = pos;
+        RawPosition = pos;
        _flying = isFlying;
-        _orientation = OMV.Quaternion.Identity;
+        RawOrientation = OMV.Quaternion.Identity;
        RawVelocity = OMV.Vector3.Zero;
        _buoyancy = ComputeBuoyancyFromFlying(isFlying);
        Friction = BSParam.AvatarStandingFriction;
@@ -133,7 +131,7 @@ public sealed class BSCharacter : BSPhysObject
        PhysScene.PE.RemoveObjectFromWorld(PhysScene.World, PhysBody);
        ZeroMotion(true);
-        ForcePosition = _position;
+        ForcePosition = RawPosition;
        // Set the velocity
        if (m_moveActor != null)
@@ -272,38 +270,33 @@ public sealed class BSCharacter : BSPhysObject
    public override void LockAngularMotion(OMV.Vector3 axis) { return; }
-    public override OMV.Vector3 RawPosition
-    {
-        get { return _position; }
-        set { _position = value; }
-    }
    public override OMV.Vector3 Position {
        get {
            // Don't refetch the position because this function is called a zillion times
-            // _position = PhysicsScene.PE.GetObjectPosition(Scene.World, LocalID);
+            // RawPosition = PhysicsScene.PE.GetObjectPosition(Scene.World, LocalID);
-            return _position;
+            return RawPosition;
        }
        set {
-            _position = value;
+            RawPosition = value;
            PhysScene.TaintedObject("BSCharacter.setPosition", delegate()
            {
-                DetailLog("{0},BSCharacter.SetPosition,taint,pos={1},orient={2}", LocalID, _position, _orientation);
+                DetailLog("{0},BSCharacter.SetPosition,taint,pos={1},orient={2}", LocalID, RawPosition, RawOrientation);
                PositionSanityCheck();
-                ForcePosition = _position;
+                ForcePosition = RawPosition;
            });
        }
    }
    public override OMV.Vector3 ForcePosition {
        get {
-            _position = PhysScene.PE.GetPosition(PhysBody);
+            RawPosition = PhysScene.PE.GetPosition(PhysBody);
-            return _position;
+            return RawPosition;
        }
        set {
-            _position = value;
+            RawPosition = value;
            if (PhysBody.HasPhysicalBody)
            {
-                PhysScene.PE.SetTranslation(PhysBody, _position, _orientation);
+                PhysScene.PE.SetTranslation(PhysBody, RawPosition, RawOrientation);
            }
        }
    }
@@ -331,16 +324,16 @@ public sealed class BSCharacter : BSPhysObject
        float terrainHeight = PhysScene.TerrainManager.GetTerrainHeightAtXYZ(RawPosition);
        if (Position.Z < terrainHeight)
        {
-            DetailLog("{0},BSCharacter.PositionSanityCheck,adjustForUnderGround,pos={1},terrain={2}", LocalID, _position, terrainHeight);
+            DetailLog("{0},BSCharacter.PositionSanityCheck,adjustForUnderGround,pos={1},terrain={2}", LocalID, RawPosition, terrainHeight);
-            _position.Z = terrainHeight + BSParam.AvatarBelowGroundUpCorrectionMeters;
+            RawPosition = new OMV.Vector3(RawPosition.X, RawPosition.Y, terrainHeight + BSParam.AvatarBelowGroundUpCorrectionMeters);
            ret = true;
        }
        if ((CurrentCollisionFlags & CollisionFlags.BS_FLOATS_ON_WATER) != 0)
        {
-            float waterHeight = PhysScene.TerrainManager.GetWaterLevelAtXYZ(_position);
+            float waterHeight = PhysScene.TerrainManager.GetWaterLevelAtXYZ(RawPosition);
            if (Position.Z < waterHeight)
            {
-                _position.Z = waterHeight;
+                RawPosition = new OMV.Vector3(RawPosition.X, RawPosition.Y, waterHeight);
                ret = true;
            }
        }
@@ -360,8 +353,8 @@ public sealed class BSCharacter : BSPhysObject
            //    just assign to "Position" because of potential call loops.
            PhysScene.TaintedObject(inTaintTime, "BSCharacter.PositionSanityCheck", delegate()
            {
-                DetailLog("{0},BSCharacter.PositionSanityCheck,taint,pos={1},orient={2}", LocalID, _position, _orientation);
+                DetailLog("{0},BSCharacter.PositionSanityCheck,taint,pos={1},orient={2}", LocalID, RawPosition, RawOrientation);
-                ForcePosition = _position;
+                ForcePosition = RawPosition;
            });
            ret = true;
        }
@@ -466,19 +459,14 @@ public sealed class BSCharacter : BSPhysObject
        get { return _acceleration; }
        set { _acceleration = value; }
    }
-    public override OMV.Quaternion RawOrientation
-    {
-        get { return _orientation; }
-        set { _orientation = value; }
-    }
    public override OMV.Quaternion Orientation {
-        get { return _orientation; }
+        get { return RawOrientation; }
        set {
            // Orientation is set zillions of times when an avatar is walking. It's like
            //      the viewer doesn't trust us.
-            if (_orientation != value)
+            if (RawOrientation != value)
            {
-                _orientation = value;
+                RawOrientation = value;
                PhysScene.TaintedObject("BSCharacter.setOrientation", delegate()
                {
                    // Bullet assumes we know what we are doing when forcing orientation
@@ -486,10 +474,10 @@ public sealed class BSCharacter : BSPhysObject
                    // This forces rotation to be only around the Z axis and doesn't change any of the other axis.
                    // This keeps us from flipping the capsule over which the veiwer does not understand.
                    float oRoll, oPitch, oYaw;
-                    _orientation.GetEulerAngles(out oRoll, out oPitch, out oYaw);
+                    RawOrientation.GetEulerAngles(out oRoll, out oPitch, out oYaw);
                    OMV.Quaternion trimmedOrientation = OMV.Quaternion.CreateFromEulers(0f, 0f, oYaw);
                    // DetailLog("{0},BSCharacter.setOrientation,taint,val={1},valDir={2},conv={3},convDir={4}",
-                    //                 LocalID, _orientation, OMV.Vector3.UnitX * _orientation,
+                    //                 LocalID, RawOrientation, OMV.Vector3.UnitX * RawOrientation,
                    //                 trimmedOrientation, OMV.Vector3.UnitX * trimmedOrientation);
                    ForceOrientation = trimmedOrientation;
                });
@@ -501,16 +489,16 @@ public sealed class BSCharacter : BSPhysObject
    {
        get
        {
-            _orientation = PhysScene.PE.GetOrientation(PhysBody);
+            RawOrientation = PhysScene.PE.GetOrientation(PhysBody);
-            return _orientation;
+            return RawOrientation;
        }
        set
        {
-            _orientation = value;
+            RawOrientation = value;
            if (PhysBody.HasPhysicalBody)
            {
-                // _position = PhysicsScene.PE.GetPosition(BSBody);
+                // RawPosition = PhysicsScene.PE.GetPosition(BSBody);
-                PhysScene.PE.SetTranslation(PhysBody, _position, _orientation);
+                PhysScene.PE.SetTranslation(PhysBody, RawPosition, RawOrientation);
            }
        }
    }
@@ -723,9 +711,9 @@ public sealed class BSCharacter : BSPhysObject
    {
        // Don't change position if standing on a stationary object.
        if (!IsStationary)
-            _position = entprop.Position;
+            RawPosition = entprop.Position;
-        _orientation = entprop.Rotation;
+        RawOrientation = entprop.Rotation;
        // Smooth velocity. OpenSimulator is VERY sensitive to changes in velocity of the avatar
        //    and will send agent updates to the clients if velocity changes by more than
@@ -740,8 +728,8 @@ public sealed class BSCharacter : BSPhysObject
        // Do some sanity checking for the avatar. Make sure it's above ground and inbounds.
        if (PositionSanityCheck(true))
        {
-            DetailLog("{0},BSCharacter.UpdateProperties,updatePosForSanity,pos={1}", LocalID, _position);
+            DetailLog("{0},BSCharacter.UpdateProperties,updatePosForSanity,pos={1}", LocalID, RawPosition);
-            entprop.Position = _position;
+            entprop.Position = RawPosition;
        }
        // remember the current and last set values
@@ -755,7 +743,7 @@ public sealed class BSCharacter : BSPhysObject
        // base.RequestPhysicsterseUpdate();
        DetailLog("{0},BSCharacter.UpdateProperties,call,pos={1},orient={2},vel={3},accel={4},rotVel={5}",
-                LocalID, _position, _orientation, RawVelocity, _acceleration, _rotationalVelocity);
+                LocalID, RawPosition, RawOrientation, RawVelocity, _acceleration, _rotationalVelocity);
    }
 }
 }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs b/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs
index aa247dd..0204967 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs
@@ -125,33 +125,12 @@ namespace OpenSim.Region.Physics.BulletSPlugin
        static readonly float PIOverFour = ((float)Math.PI) / 4f;
        static readonly float PIOverTwo = ((float)Math.PI) / 2f;
-        // For debugging, flags to turn on and off individual corrections.
-        public bool enableAngularVerticalAttraction;
-        public bool enableAngularDeflection;
-        public bool enableAngularBanking;
        public BSDynamics(BSScene myScene, BSPrim myPrim, string actorName)
            : base(myScene, myPrim, actorName)
        {
            ControllingPrim = myPrim;
            Type = Vehicle.TYPE_NONE;
            m_haveRegisteredForSceneEvents = false;
-            SetupVehicleDebugging();
-        }
-        // Stopgap debugging enablement. Allows source level debugging but still checking
-        //    in changes by making enablement of debugging flags from INI file.
-        public void SetupVehicleDebugging()
-        {
-            enableAngularVerticalAttraction = true;
-            enableAngularDeflection = false;
-            enableAngularBanking = true;
-            if (BSParam.VehicleDebuggingEnable)
-            {
-                enableAngularVerticalAttraction = true;
-                enableAngularDeflection = false;
-                enableAngularBanking = false;
-            }
        }
        // Return 'true' if this vehicle is doing vehicle things
@@ -173,7 +152,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin
            switch (pParam)
            {
                case Vehicle.ANGULAR_DEFLECTION_EFFICIENCY:
-                    m_angularDeflectionEfficiency = Math.Max(pValue, 0.01f);
+                    m_angularDeflectionEfficiency = ClampInRange(0f, pValue, 1f);
                    break;
                case Vehicle.ANGULAR_DEFLECTION_TIMESCALE:
                    m_angularDeflectionTimescale = Math.Max(pValue, 0.01f);
@@ -556,10 +535,10 @@ namespace OpenSim.Region.Physics.BulletSPlugin
            }
            m_linearMotor = new BSVMotor("LinearMotor", m_linearMotorTimescale, m_linearMotorDecayTimescale, 1f);
-            m_linearMotor.PhysicsScene = m_physicsScene;  // DEBUG DEBUG DEBUG (enables detail logging)
+            // m_linearMotor.PhysicsScene = m_physicsScene;  // DEBUG DEBUG DEBUG (enables detail logging)
            m_angularMotor = new BSVMotor("AngularMotor", m_angularMotorTimescale, m_angularMotorDecayTimescale, 1f);
-            m_angularMotor.PhysicsScene = m_physicsScene;  // DEBUG DEBUG DEBUG (enables detail logging)
+            // m_angularMotor.PhysicsScene = m_physicsScene;  // DEBUG DEBUG DEBUG (enables detail logging)
            /*  Not implemented
            m_verticalAttractionMotor = new BSVMotor("VerticalAttraction", m_verticalAttractionTimescale,
@@ -774,7 +753,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin
        // Since the computation of terrain height can be a little involved, this routine
        //    is used to fetch the height only once for each vehicle simulation step.
-        Vector3 lastRememberedHeightPos;
+        Vector3 lastRememberedHeightPos = new Vector3(-1, -1, -1);
        private float GetTerrainHeight(Vector3 pos)
        {
            if ((m_knownHas & m_knownChangedTerrainHeight) == 0 || pos != lastRememberedHeightPos)
@@ -788,14 +767,16 @@ namespace OpenSim.Region.Physics.BulletSPlugin
        // Since the computation of water level can be a little involved, this routine
        //    is used ot fetch the level only once for each vehicle simulation step.
+        Vector3 lastRememberedWaterHeightPos = new Vector3(-1, -1, -1);
        private float GetWaterLevel(Vector3 pos)
        {
-            if ((m_knownHas & m_knownChangedWaterLevel) == 0)
+            if ((m_knownHas & m_knownChangedWaterLevel) == 0 || pos != lastRememberedWaterHeightPos)
            {
+                lastRememberedWaterHeightPos = pos;
                m_knownWaterLevel = ControllingPrim.PhysScene.TerrainManager.GetWaterLevelAtXYZ(pos);
                m_knownHas |= m_knownChangedWaterLevel;
            }
-            return (float)m_knownWaterLevel;
+            return m_knownWaterLevel;
        }
        private Vector3 VehiclePosition
@@ -924,6 +905,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin
                return VehicleVelocity * Quaternion.Inverse(Quaternion.Normalize(VehicleOrientation));
            }
        }
        private float VehicleForwardSpeed
        {
            get
@@ -991,11 +973,17 @@ namespace OpenSim.Region.Physics.BulletSPlugin
            {
                Vector3 vel = VehicleVelocity;
                if ((m_flags & (VehicleFlag.NO_X)) != 0)
+                {
                    vel.X = 0;
+                }
                if ((m_flags & (VehicleFlag.NO_Y)) != 0)
+                {
                    vel.Y = 0;
+                }
                if ((m_flags & (VehicleFlag.NO_Z)) != 0)
+                {
                    vel.Z = 0;
+                }
                VehicleVelocity = vel;
            }
@@ -1053,26 +1041,37 @@ namespace OpenSim.Region.Physics.BulletSPlugin
            Vector3 linearDeflectionV = Vector3.Zero;
            Vector3 velocityV = VehicleForwardVelocity;
-            // Velocity in Y and Z dimensions is movement to the side or turning.
+            if (BSParam.VehicleEnableLinearDeflection)
-            // Compute deflection factor from the to the side and rotational velocity
+            {
-            linearDeflectionV.Y = SortedClampInRange(0, (velocityV.Y * m_linearDeflectionEfficiency) / m_linearDeflectionTimescale, velocityV.Y);
+                // Velocity in Y and Z dimensions is movement to the side or turning.
-            linearDeflectionV.Z = SortedClampInRange(0, (velocityV.Z * m_linearDeflectionEfficiency) / m_linearDeflectionTimescale, velocityV.Z);
+                // Compute deflection factor from the to the side and rotational velocity
+                linearDeflectionV.Y = SortedClampInRange(0, (velocityV.Y * m_linearDeflectionEfficiency) / m_linearDeflectionTimescale, velocityV.Y);
+                linearDeflectionV.Z = SortedClampInRange(0, (velocityV.Z * m_linearDeflectionEfficiency) / m_linearDeflectionTimescale, velocityV.Z);
-            // Velocity to the side and around is corrected and moved into the forward direction
+                // Velocity to the side and around is corrected and moved into the forward direction
-            linearDeflectionV.X += Math.Abs(linearDeflectionV.Y);
+                linearDeflectionV.X += Math.Abs(linearDeflectionV.Y);
-            linearDeflectionV.X += Math.Abs(linearDeflectionV.Z);
+                linearDeflectionV.X += Math.Abs(linearDeflectionV.Z);
-            // Scale the deflection to the fractional simulation time
+                // Scale the deflection to the fractional simulation time
-            linearDeflectionV *= pTimestep;
+                linearDeflectionV *= pTimestep;
-            // Subtract the sideways and rotational velocity deflection factors while adding the correction forward
+                // Subtract the sideways and rotational velocity deflection factors while adding the correction forward
-            linearDeflectionV *= new Vector3(1,-1,-1);
+                linearDeflectionV *= new Vector3(1, -1, -1);
+                // Correction is vehicle relative. Convert to world coordinates.
+                Vector3 linearDeflectionW = linearDeflectionV * VehicleOrientation;
+                // Optionally, if not colliding, don't effect world downward velocity. Let falling things fall.
+                if (BSParam.VehicleLinearDeflectionNotCollidingNoZ && !m_controllingPrim.IsColliding)
+                {
+                    linearDeflectionW.Z = 0f;
+                }
-            // Correciont is vehicle relative. Convert to world coordinates and add to the velocity
+                VehicleVelocity += linearDeflectionW;
-            VehicleVelocity += linearDeflectionV * VehicleOrientation;
-            VDetailLog("{0},  MoveLinear,LinearDeflection,linDefEff={1},linDefTS={2},linDeflectionV={3}",
+                VDetailLog("{0},  MoveLinear,LinearDeflection,linDefEff={1},linDefTS={2},linDeflectionV={3}",
-                        ControllingPrim.LocalID, m_linearDeflectionEfficiency, m_linearDeflectionTimescale, linearDeflectionV);
+                            ControllingPrim.LocalID, m_linearDeflectionEfficiency, m_linearDeflectionTimescale, linearDeflectionV);
+            }
        }
        public void ComputeLinearTerrainHeightCorrection(float pTimestep)
@@ -1385,116 +1384,134 @@ namespace OpenSim.Region.Physics.BulletSPlugin
        {
            // If vertical attaction timescale is reasonable
-            if (enableAngularVerticalAttraction && m_verticalAttractionTimescale < m_verticalAttractionCutoff)
+            if (BSParam.VehicleEnableAngularVerticalAttraction && m_verticalAttractionTimescale < m_verticalAttractionCutoff)
            {
-                //Another formula to try got from :
+                Vector3 vehicleUpAxis = Vector3.UnitZ * VehicleOrientation;
-                //http://answers.unity3d.com/questions/10425/how-to-stabilize-angular-motion-alignment-of-hover.html
+                switch (BSParam.VehicleAngularVerticalAttractionAlgorithm)
-                Vector3 VehicleUpAxis = Vector3.UnitZ * VehicleOrientation;
-                // Flipping what was originally a timescale into a speed variable and then multiplying it by 2
-                //    since only computing half the distance between the angles.
-                float VerticalAttractionSpeed = (1 / m_verticalAttractionTimescale) * 2.0f;
-                // Make a prediction of where the up axis will be when this is applied rather then where it is now as
-                //     this makes for a smoother adjustment and less fighting between the various forces.
-                Vector3 predictedUp = VehicleUpAxis * Quaternion.CreateFromAxisAngle(VehicleRotationalVelocity, 0f);
-                // This is only half the distance to the target so it will take 2 seconds to complete the turn.
-                Vector3 torqueVector = Vector3.Cross(predictedUp, Vector3.UnitZ);
-                // Scale vector by our timescale since it is an acceleration it is r/s^2 or radians a timescale squared
-                Vector3 vertContributionV = torqueVector * VerticalAttractionSpeed * VerticalAttractionSpeed;
-                VehicleRotationalVelocity += vertContributionV;
-                VDetailLog("{0},  MoveAngular,verticalAttraction,UpAxis={1},PredictedUp={2},torqueVector={3},contrib={4}",
-                                ControllingPrim.LocalID,
-                                VehicleUpAxis,
-                                predictedUp,
-                                torqueVector,
-                                vertContributionV);
-                //=====================================================================
-                /*
-                // Possible solution derived from a discussion at:
-                // http://stackoverflow.com/questions/14939657/computing-vector-from-quaternion-works-computing-quaternion-from-vector-does-no
-                // Create a rotation that is only the vehicle's rotation around Z
-                Vector3 currentEuler = Vector3.Zero;
-                VehicleOrientation.GetEulerAngles(out currentEuler.X, out currentEuler.Y, out currentEuler.Z);
-                Quaternion justZOrientation = Quaternion.CreateFromAxisAngle(Vector3.UnitZ, currentEuler.Z);
-                // Create the axis that is perpendicular to the up vector and the rotated up vector.
-                Vector3 differenceAxis = Vector3.Cross(Vector3.UnitZ * justZOrientation, Vector3.UnitZ * VehicleOrientation);
-                // Compute the angle between those to vectors.
-                double differenceAngle = Math.Acos((double)Vector3.Dot(Vector3.UnitZ, Vector3.Normalize(Vector3.UnitZ * VehicleOrientation)));
-                // 'differenceAngle' is the angle to rotate and 'differenceAxis' is the plane to rotate in to get the vehicle vertical
-                // Reduce the change by the time period it is to change in. Timestep is handled when velocity is applied.
-                // TODO: add 'efficiency'.
-                differenceAngle /= m_verticalAttractionTimescale;
-                // Create the quaterian representing the correction angle
-                Quaternion correctionRotation = Quaternion.CreateFromAxisAngle(differenceAxis, (float)differenceAngle);
-                // Turn that quaternion into Euler values to make it into velocities to apply.
-                Vector3 vertContributionV = Vector3.Zero;
-                correctionRotation.GetEulerAngles(out vertContributionV.X, out vertContributionV.Y, out vertContributionV.Z);
-                vertContributionV *= -1f;
-                VehicleRotationalVelocity += vertContributionV;
-                VDetailLog("{0},  MoveAngular,verticalAttraction,diffAxis={1},diffAng={2},corrRot={3},contrib={4}",
-                                ControllingPrim.LocalID,
-                                differenceAxis,
-                                differenceAngle,
-                                correctionRotation,
-                                vertContributionV);
-                 */
-                // ===================================================================
-                /*
-                Vector3 vertContributionV = Vector3.Zero;
-                Vector3 origRotVelW = VehicleRotationalVelocity;        // DEBUG DEBUG
-                // Take a vector pointing up and convert it from world to vehicle relative coords.
-                Vector3 verticalError = Vector3.Normalize(Vector3.UnitZ * VehicleOrientation);
-                // If vertical attraction correction is needed, the vector that was pointing up (UnitZ)
-                //    is now:
-                //    leaning to one side: rotated around the X axis with the Y value going
-                //        from zero (nearly straight up) to one (completely to the side)) or
-                //    leaning front-to-back: rotated around the Y axis with the value of X being between
-                //         zero and one.
-                // The value of Z is how far the rotation is off with 1 meaning none and 0 being 90 degrees.
-                // Y error means needed rotation around X axis and visa versa.
-                // Since the error goes from zero to one, the asin is the corresponding angle.
-                vertContributionV.X = (float)Math.Asin(verticalError.Y);
-                // (Tilt forward (positive X) needs to tilt back (rotate negative) around Y axis.)
-                vertContributionV.Y = -(float)Math.Asin(verticalError.X);
-                // If verticalError.Z is negative, the vehicle is upside down. Add additional push.
-                if (verticalError.Z < 0f)
                {
-                    vertContributionV.X += Math.Sign(vertContributionV.X) * PIOverFour;
+                    case 0:
-                    // vertContribution.Y -= PIOverFour;
+                        {
+                            //Another formula to try got from :
+                            //http://answers.unity3d.com/questions/10425/how-to-stabilize-angular-motion-alignment-of-hover.html
+                            // Flipping what was originally a timescale into a speed variable and then multiplying it by 2
+                            //    since only computing half the distance between the angles.
+                            float VerticalAttractionSpeed = (1 / m_verticalAttractionTimescale) * 2.0f;
+                            // Make a prediction of where the up axis will be when this is applied rather then where it is now as
+                            //     this makes for a smoother adjustment and less fighting between the various forces.
+                            Vector3 predictedUp = vehicleUpAxis * Quaternion.CreateFromAxisAngle(VehicleRotationalVelocity, 0f);
+                            // This is only half the distance to the target so it will take 2 seconds to complete the turn.
+                            Vector3 torqueVector = Vector3.Cross(predictedUp, Vector3.UnitZ);
+                            // Scale vector by our timescale since it is an acceleration it is r/s^2 or radians a timescale squared
+                            Vector3 vertContributionV = torqueVector * VerticalAttractionSpeed * VerticalAttractionSpeed;
+                            VehicleRotationalVelocity += vertContributionV;
+                            VDetailLog("{0},  MoveAngular,verticalAttraction,upAxis={1},PredictedUp={2},torqueVector={3},contrib={4}",
+                                            ControllingPrim.LocalID,
+                                            vehicleUpAxis,
+                                            predictedUp,
+                                            torqueVector,
+                                            vertContributionV);
+                            break;
+                        }
+                    case 1:
+                        {
+                            // Possible solution derived from a discussion at:
+                            // http://stackoverflow.com/questions/14939657/computing-vector-from-quaternion-works-computing-quaternion-from-vector-does-no
+                            // Create a rotation that is only the vehicle's rotation around Z
+                            Vector3 currentEuler = Vector3.Zero;
+                            VehicleOrientation.GetEulerAngles(out currentEuler.X, out currentEuler.Y, out currentEuler.Z);
+                            Quaternion justZOrientation = Quaternion.CreateFromAxisAngle(Vector3.UnitZ, currentEuler.Z);
+                            // Create the axis that is perpendicular to the up vector and the rotated up vector.
+                            Vector3 differenceAxis = Vector3.Cross(Vector3.UnitZ * justZOrientation, Vector3.UnitZ * VehicleOrientation);
+                            // Compute the angle between those to vectors.
+                            double differenceAngle = Math.Acos((double)Vector3.Dot(Vector3.UnitZ, Vector3.Normalize(Vector3.UnitZ * VehicleOrientation)));
+                            // 'differenceAngle' is the angle to rotate and 'differenceAxis' is the plane to rotate in to get the vehicle vertical
+                            // Reduce the change by the time period it is to change in. Timestep is handled when velocity is applied.
+                            // TODO: add 'efficiency'.
+                            differenceAngle /= m_verticalAttractionTimescale;
+                            // Create the quaterian representing the correction angle
+                            Quaternion correctionRotation = Quaternion.CreateFromAxisAngle(differenceAxis, (float)differenceAngle);
+                            // Turn that quaternion into Euler values to make it into velocities to apply.
+                            Vector3 vertContributionV = Vector3.Zero;
+                            correctionRotation.GetEulerAngles(out vertContributionV.X, out vertContributionV.Y, out vertContributionV.Z);
+                            vertContributionV *= -1f;
+                            VehicleRotationalVelocity += vertContributionV;
+                            VDetailLog("{0},  MoveAngular,verticalAttraction,upAxis={1},diffAxis={2},diffAng={3},corrRot={4},contrib={5}",
+                                            ControllingPrim.LocalID,
+                                            vehicleUpAxis,
+                                            differenceAxis,
+                                            differenceAngle,
+                                            correctionRotation,
+                                            vertContributionV);
+                            break;
+                        }
+                    case 2:
+                        {
+                            Vector3 vertContributionV = Vector3.Zero;
+                            Vector3 origRotVelW = VehicleRotationalVelocity;        // DEBUG DEBUG
+                            // Take a vector pointing up and convert it from world to vehicle relative coords.
+                            Vector3 verticalError = Vector3.Normalize(Vector3.UnitZ * VehicleOrientation);
+                            // If vertical attraction correction is needed, the vector that was pointing up (UnitZ)
+                            //    is now:
+                            //    leaning to one side: rotated around the X axis with the Y value going
+                            //        from zero (nearly straight up) to one (completely to the side)) or
+                            //    leaning front-to-back: rotated around the Y axis with the value of X being between
+                            //         zero and one.
+                            // The value of Z is how far the rotation is off with 1 meaning none and 0 being 90 degrees.
+                            // Y error means needed rotation around X axis and visa versa.
+                            // Since the error goes from zero to one, the asin is the corresponding angle.
+                            vertContributionV.X = (float)Math.Asin(verticalError.Y);
+                            // (Tilt forward (positive X) needs to tilt back (rotate negative) around Y axis.)
+                            vertContributionV.Y = -(float)Math.Asin(verticalError.X);
+                            // If verticalError.Z is negative, the vehicle is upside down. Add additional push.
+                            if (verticalError.Z < 0f)
+                            {
+                                vertContributionV.X += Math.Sign(vertContributionV.X) * PIOverFour;
+                                // vertContribution.Y -= PIOverFour;
+                            }
+                            // 'vertContrbution' is now the necessary angular correction to correct tilt in one second.
+                            //     Correction happens over a number of seconds.
+                            Vector3 unscaledContribVerticalErrorV = vertContributionV;     // DEBUG DEBUG
+                            // The correction happens over the user's time period
+                            vertContributionV /= m_verticalAttractionTimescale;
+                            // Rotate the vehicle rotation to the world coordinates.
+                            VehicleRotationalVelocity += (vertContributionV * VehicleOrientation);
+                            VDetailLog("{0},  MoveAngular,verticalAttraction,,upAxis={1},origRotVW={2},vertError={3},unscaledV={4},eff={5},ts={6},vertContribV={7}",
+                                            ControllingPrim.LocalID,
+                                            vehicleUpAxis,
+                                            origRotVelW,
+                                            verticalError,
+                                            unscaledContribVerticalErrorV,
+                                            m_verticalAttractionEfficiency,
+                                            m_verticalAttractionTimescale,
+                                            vertContributionV);
+                            break;
+                        }
+                    default:
+                        {
+                            break;
+                        }
                }
-                // 'vertContrbution' is now the necessary angular correction to correct tilt in one second.
-                //     Correction happens over a number of seconds.
-                Vector3 unscaledContribVerticalErrorV = vertContributionV;     // DEBUG DEBUG
-                // The correction happens over the user's time period
-                vertContributionV /= m_verticalAttractionTimescale;
-                // Rotate the vehicle rotation to the world coordinates.
-                VehicleRotationalVelocity += (vertContributionV * VehicleOrientation);
-                VDetailLog("{0},  MoveAngular,verticalAttraction,,origRotVW={1},vertError={2},unscaledV={3},eff={4},ts={5},vertContribV={6}",
-                                Prim.LocalID, origRotVelW, verticalError, unscaledContribVerticalErrorV,
-                                m_verticalAttractionEfficiency, m_verticalAttractionTimescale, vertContributionV);
-                */
            }
        }
@@ -1504,13 +1521,9 @@ namespace OpenSim.Region.Physics.BulletSPlugin
        //     in that direction.
        // TODO: implement reference frame.
        public void ComputeAngularDeflection()
-        {
+        {   
-            // Since angularMotorUp and angularDeflection are computed independently, they will calculate
-            //     approximately the same X or Y correction. When added together (when contributions are combined)
-            //     this creates an over-correction and then wabbling as the target is overshot.
-            // TODO: rethink how the different correction computations inter-relate.
-            if (enableAngularDeflection && m_angularDeflectionEfficiency != 0 && VehicleForwardSpeed > 0.2)
+            if (BSParam.VehicleEnableAngularDeflection && m_angularDeflectionEfficiency != 0 && VehicleForwardSpeed > 0.2)
            {
                Vector3 deflectContributionV = Vector3.Zero;
@@ -1523,10 +1536,14 @@ namespace OpenSim.Region.Physics.BulletSPlugin
                // The direction the vehicle is pointing
                Vector3 pointingDirection = Vector3.UnitX * VehicleOrientation;
-                pointingDirection.Normalize();
+                //Predict where the Vehicle will be pointing after AngularVelocity change is applied. This will keep
+                //   from overshooting and allow this correction to merge with the Vertical Attraction peacefully.
+                Vector3 predictedPointingDirection = pointingDirection * Quaternion.CreateFromAxisAngle(VehicleRotationalVelocity, 0f);
+                predictedPointingDirection.Normalize();
                // The difference between what is and what should be.
-                Vector3 deflectionError = movingDirection - pointingDirection;
+               // Vector3 deflectionError = movingDirection - predictedPointingDirection;
+                Vector3 deflectionError = Vector3.Cross(movingDirection, predictedPointingDirection);
                // Don't try to correct very large errors (not our job)
                // if (Math.Abs(deflectionError.X) > PIOverFour) deflectionError.X = PIOverTwo * Math.Sign(deflectionError.X);
@@ -1539,15 +1556,16 @@ namespace OpenSim.Region.Physics.BulletSPlugin
                // ret = m_angularDeflectionCorrectionMotor(1f, deflectionError);
                // Scale the correction by recovery timescale and efficiency
-                deflectContributionV = (-deflectionError) * m_angularDeflectionEfficiency;
+                //    Not modeling a spring so clamp the scale to no more then the arc
-                deflectContributionV /= m_angularDeflectionTimescale;
+                deflectContributionV = (-deflectionError) * ClampInRange(0, m_angularDeflectionEfficiency/m_angularDeflectionTimescale,1f);
+                //deflectContributionV /= m_angularDeflectionTimescale;
-                VehicleRotationalVelocity += deflectContributionV * VehicleOrientation;
+               // VehicleRotationalVelocity += deflectContributionV * VehicleOrientation;
+                VehicleRotationalVelocity += deflectContributionV;
                VDetailLog("{0},  MoveAngular,Deflection,movingDir={1},pointingDir={2},deflectError={3},ret={4}",
                    ControllingPrim.LocalID, movingDirection, pointingDirection, deflectionError, deflectContributionV);
-                VDetailLog("{0},  MoveAngular,Deflection,fwdSpd={1},defEff={2},defTS={3}",
+                VDetailLog("{0},  MoveAngular,Deflection,fwdSpd={1},defEff={2},defTS={3},PredictedPointingDir={4}",
-                    ControllingPrim.LocalID, VehicleForwardSpeed, m_angularDeflectionEfficiency, m_angularDeflectionTimescale);
+                    ControllingPrim.LocalID, VehicleForwardSpeed, m_angularDeflectionEfficiency, m_angularDeflectionTimescale, predictedPointingDirection);
            }
        }
@@ -1584,7 +1602,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin
        //      make a sluggish vehicle by giving it a timescale of several seconds.
        public void ComputeAngularBanking()
        {
-            if (enableAngularBanking && m_bankingEfficiency != 0 && m_verticalAttractionTimescale < m_verticalAttractionCutoff)
+            if (BSParam.VehicleEnableAngularBanking && m_bankingEfficiency != 0 && m_verticalAttractionTimescale < m_verticalAttractionCutoff)
            {
                Vector3 bankingContributionV = Vector3.Zero;
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs b/OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs
index 308cf13..1d94142 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs
@@ -35,62 +35,6 @@ using OMV = OpenMetaverse;
 namespace OpenSim.Region.Physics.BulletSPlugin
 {
-    /*
-// When a child is linked, the relationship position of the child to the parent
-//    is remembered so the child's world position can be recomputed when it is
-//    removed from the linkset.
-sealed class BSLinksetCompoundInfo : BSLinksetInfo
-{
-    public int Index;
-    public OMV.Vector3 OffsetFromRoot;
-    public OMV.Vector3 OffsetFromCenterOfMass;
-    public OMV.Quaternion OffsetRot;
-    public BSLinksetCompoundInfo(int indx, OMV.Vector3 p, OMV.Quaternion r)
-    {
-        Index = indx;
-        OffsetFromRoot = p;
-        OffsetFromCenterOfMass = p;
-        OffsetRot = r;
-    }
-    // 'centerDisplacement' is the distance from the root the the center-of-mass (Bullet 'zero' of the shape)
-    public BSLinksetCompoundInfo(int indx, BSPrimLinkable root, BSPrimLinkable child, OMV.Vector3 centerDisplacement)
-    {
-        // Each child position and rotation is given relative to the center-of-mass.
-        OMV.Quaternion invRootOrientation = OMV.Quaternion.Inverse(root.RawOrientation);
-        OMV.Vector3 displacementFromRoot = (child.RawPosition - root.RawPosition) * invRootOrientation;
-        OMV.Vector3 displacementFromCOM = displacementFromRoot - centerDisplacement;
-        OMV.Quaternion displacementRot = child.RawOrientation * invRootOrientation;
-        // Save relative position for recomputing child's world position after moving linkset.
-        Index = indx;
-        OffsetFromRoot = displacementFromRoot;
-        OffsetFromCenterOfMass = displacementFromCOM;
-        OffsetRot = displacementRot;
-    }
-    public override void Clear()
-    {
-        Index = 0;
-        OffsetFromRoot = OMV.Vector3.Zero;
-        OffsetFromCenterOfMass = OMV.Vector3.Zero;
-        OffsetRot = OMV.Quaternion.Identity;
-    }
-    public override string ToString()
-    {
-        StringBuilder buff = new StringBuilder();
-        buff.Append("<i=");
-        buff.Append(Index.ToString());
-        buff.Append(",p=");
-        buff.Append(OffsetFromRoot.ToString());
-        buff.Append(",m=");
-        buff.Append(OffsetFromCenterOfMass.ToString());
-        buff.Append(",r=");
-        buff.Append(OffsetRot.ToString());
-        buff.Append(">");
-        return buff.ToString();
-    }
-};
-     */
 public sealed class BSLinksetCompound : BSLinkset
 {
    private static string LogHeader = "[BULLETSIM LINKSET COMPOUND]";
@@ -151,7 +95,9 @@ public sealed class BSLinksetCompound : BSLinkset
    public override bool MakeStatic(BSPrimLinkable child)
    {
        bool ret = false;
        DetailLog("{0},BSLinksetCompound.MakeStatic,call,IsRoot={1}", child.LocalID, IsRoot(child));
+        child.ClearDisplacement();
        if (IsRoot(child))
        {
            // Schedule a rebuild to verify that the root shape is set to the real shape.
@@ -315,7 +261,6 @@ public sealed class BSLinksetCompound : BSLinkset
    // Note that this works for rebuilding just the root after a linkset is taken apart.
    // Called at taint time!!
    private bool UseBulletSimRootOffsetHack = false;    // Attempt to have Bullet track the coords of root compound shape
-    private bool disableCOM = true; // For basic linkset debugging, turn off the center-of-mass setting
    private void RecomputeLinksetCompound()
    {
        try
@@ -326,55 +271,70 @@ public sealed class BSLinksetCompound : BSLinkset
            //     to what they should be as if the root was not in a linkset.
            // Not that bad since we only get into this routine if there are children in the linkset and
            //     something has been updated/changed.
+            // Have to do the rebuild before checking for physical because this might be a linkset
+            //     being destructed and going non-physical.
            LinksetRoot.ForceBodyShapeRebuild(true);
            // There is no reason to build all this physical stuff for a non-physical linkset.
            if (!LinksetRoot.IsPhysicallyActive)
            {
-                // Clean up any old linkset shape and make sure the root shape is set to the root object.
                DetailLog("{0},BSLinksetCompound.RecomputeLinksetCompound,notPhysical", LinksetRoot.LocalID);
                return; // Note the 'finally' clause at the botton which will get executed.
            }
            // Get a new compound shape to build the linkset shape in.
            BSShape linksetShape = BSShapeCompound.GetReference(m_physicsScene);
-            // The center of mass for the linkset is the geometric center of the group.
            // Compute a displacement for each component so it is relative to the center-of-mass.
            // Bullet presumes an object's origin (relative <0,0,0>) is its center-of-mass
            OMV.Vector3 centerOfMassW = ComputeLinksetCenterOfMass();
            OMV.Quaternion invRootOrientation = OMV.Quaternion.Normalize(OMV.Quaternion.Inverse(LinksetRoot.RawOrientation));
+            OMV.Vector3 origRootPosition = LinksetRoot.RawPosition;
-            // 'centerDisplacement' is the value to subtract from children to give physical offset position
+            // 'centerDisplacementV' is the vehicle relative distance from the simulator root position to the center-of-mass
            OMV.Vector3 centerDisplacementV = (centerOfMassW - LinksetRoot.RawPosition) * invRootOrientation;
-            if (UseBulletSimRootOffsetHack || disableCOM)
+            if (UseBulletSimRootOffsetHack || !BSParam.LinksetOffsetCenterOfMass)
            {
+                // Zero everything if center-of-mass displacement is not being done.
                centerDisplacementV = OMV.Vector3.Zero;
                LinksetRoot.ClearDisplacement();
            }
            else
            {
-                LinksetRoot.SetEffectiveCenterOfMassDisplacement(centerDisplacementV);
+                // The actual center-of-mass could have been set by the user.
+                centerDisplacementV = LinksetRoot.SetEffectiveCenterOfMassDisplacement(centerDisplacementV);
            }
            DetailLog("{0},BSLinksetCompound.RecomputeLinksetCompound,COM,rootPos={1},com={2},comDisp={3}",
-                                LinksetRoot.LocalID, LinksetRoot.RawPosition, centerOfMassW, centerDisplacementV);
+                                LinksetRoot.LocalID, origRootPosition, centerOfMassW, centerDisplacementV);
            // Add the shapes of all the components of the linkset
            int memberIndex = 1;
            ForEachMember(delegate(BSPrimLinkable cPrim)
            {
-                // Root shape is always index zero.
+                if (IsRoot(cPrim))
-                cPrim.LinksetChildIndex = IsRoot(cPrim) ? 0 : memberIndex;
+                {
+                    // Root shape is always index zero.
+                    cPrim.LinksetChildIndex = 0;
+                }
+                else
+                {
+                    cPrim.LinksetChildIndex = memberIndex;
+                    memberIndex++;
+                }
-                // Get a reference to the shape of the child and add that shape to the linkset compound shape
+                // Get a reference to the shape of the child for adding of that shape to the linkset compound shape
                BSShape childShape = cPrim.PhysShape.GetReference(m_physicsScene, cPrim);
-                OMV.Vector3 offsetPos = (cPrim.RawPosition - LinksetRoot.RawPosition) * invRootOrientation - centerDisplacementV;
+                // Offset the child shape from the center-of-mass and rotate it to vehicle relative.
+                OMV.Vector3 offsetPos = (cPrim.RawPosition - origRootPosition) * invRootOrientation - centerDisplacementV;
                OMV.Quaternion offsetRot = OMV.Quaternion.Normalize(cPrim.RawOrientation) * invRootOrientation;
+                // Add the child shape to the compound shape being built
                m_physicsScene.PE.AddChildShapeToCompoundShape(linksetShape.physShapeInfo, childShape.physShapeInfo, offsetPos, offsetRot);
                DetailLog("{0},BSLinksetCompound.RecomputeLinksetCompound,addChild,indx={1},cShape={2},offPos={3},offRot={4}",
-                                    LinksetRoot.LocalID, memberIndex, childShape, offsetPos, offsetRot);
+                                    LinksetRoot.LocalID, cPrim.LinksetChildIndex, childShape, offsetPos, offsetRot);
                // Since we are borrowing the shape of the child, disable the origional child body
                if (!IsRoot(cPrim))
@@ -386,8 +346,6 @@ public sealed class BSLinksetCompound : BSLinkset
                    cPrim.PhysBody.collisionType = CollisionType.LinksetChild;
                }
-                memberIndex++;
                return false;   // 'false' says to move onto the next child in the list
            });
@@ -409,8 +367,9 @@ public sealed class BSLinksetCompound : BSLinkset
            {
                // Enable the physical position updator to return the position and rotation of the root shape.
                // This enables a feature in the C++ code to return the world coordinates of the first shape in the
-                //     compound shape. This eleviates the need to offset the returned physical position by the
+                //     compound shape. This aleviates the need to offset the returned physical position by the
                //     center-of-mass offset.
+                // TODO: either debug this feature or remove it.
                m_physicsScene.PE.AddToCollisionFlags(LinksetRoot.PhysBody, CollisionFlags.BS_RETURN_ROOT_COMPOUND_SHAPE);
            }
        }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs b/OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs
index 1214703..7693195 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs
@@ -188,6 +188,8 @@ public class BSVMotor : BSMotor
        CurrentValue = current;
        return Step(timeStep);
    }
+    // Given and error, computer a correction for this step.
+    // Simple scaling of the error by the timestep.
    public virtual Vector3 StepError(float timeStep, Vector3 error)
    {
        if (!Enabled) return Vector3.Zero;
@@ -221,7 +223,7 @@ public class BSVMotor : BSMotor
                                CurrentValue, TargetValue);
        LastError = BSMotor.InfiniteVector;
-        while (maxOutput-- > 0 && !LastError.ApproxEquals(Vector3.Zero, ErrorZeroThreshold))
+        while (maxOutput-- > 0 && !ErrorIsZero())
        {
            Vector3 lastStep = Step(timeStep);
            MDetailLog("{0},BSVMotor.Test,{1},cur={2},tgt={3},lastError={4},lastStep={5}",
@@ -375,7 +377,6 @@ public class BSPIDVMotor : BSVMotor
    // The factors are vectors for the three dimensions. This is the proportional of each
    //    that is applied. This could be multiplied through the actual factors but it
    //    is sometimes easier to manipulate the factors and their mix separately.
-    //      to
    public Vector3 FactorMix;
    // Arbritrary factor range.
@@ -413,14 +414,14 @@ public class BSPIDVMotor : BSVMotor
            // If efficiency is high (1f), use a factor value that moves the error value to zero with little overshoot.
            // If efficiency is low (0f), use a factor value that overcorrects.
            // TODO: might want to vary contribution of different factor depending on efficiency.
-            float factor = ((1f - this.Efficiency) * EfficiencyHigh + EfficiencyLow) / 3f;
+            // float factor = ((1f - this.Efficiency) * EfficiencyHigh + EfficiencyLow) / 3f;
-            // float factor = (1f - this.Efficiency) * EfficiencyHigh + EfficiencyLow;
+            float factor = (1f - this.Efficiency) * EfficiencyHigh + EfficiencyLow;
            proportionFactor = new Vector3(factor, factor, factor);
            integralFactor = new Vector3(factor, factor, factor);
            derivFactor = new Vector3(factor, factor, factor);
-            MDetailLog("{0},BSPIDVMotor.setEfficiency,eff={1},factor={2}", BSScene.DetailLogZero, Efficiency, factor);
+            MDetailLog("{0},  BSPIDVMotor.setEfficiency,eff={1},factor={2}", BSScene.DetailLogZero, Efficiency, factor);
        }
    }
@@ -441,8 +442,8 @@ public class BSPIDVMotor : BSVMotor
                        + derivitive / TimeScale         * derivFactor      * FactorMix.Z
                        ;
-        MDetailLog("{0},  BSPIDVMotor.step,ts={1},err={2},runnInt={3},deriv={4},ret={5}",
+        MDetailLog("{0},  BSPIDVMotor.step,ts={1},err={2},lerr={3},runnInt={4},deriv={5},ret={6}",
-                        BSScene.DetailLogZero, timeStep, error, RunningIntegration, derivitive, ret);
+                        BSScene.DetailLogZero, timeStep, error, LastError, RunningIntegration, derivitive, ret);
        return ret;
    }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
index d17c8e7..dcf1e83 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
@@ -155,7 +155,12 @@ public static class BSParam
    public static Vector3 VehicleInertiaFactor { get; private set; }
    public static float VehicleGroundGravityFudge { get; private set; }
    public static float VehicleAngularBankingTimescaleFudge { get; private set; }
-    public static bool VehicleDebuggingEnable { get; private set; }
+    public static bool VehicleEnableLinearDeflection { get; private set; }
+    public static bool VehicleLinearDeflectionNotCollidingNoZ { get; private set; }
+    public static bool VehicleEnableAngularVerticalAttraction { get; private set; }
+    public static int VehicleAngularVerticalAttractionAlgorithm { get; private set; }
+    public static bool VehicleEnableAngularDeflection { get; private set; }
+    public static bool VehicleEnableAngularBanking { get; private set; }
    // Convex Hulls
    public static int CSHullMaxDepthSplit { get; private set; }
@@ -176,6 +181,7 @@ public static class BSParam
    // Linkset implementation parameters
    public static float LinksetImplementation { get; private set; }
+    public static bool LinksetOffsetCenterOfMass { get; private set; }
    public static bool LinkConstraintUseFrameOffset { get; private set; }
    public static bool LinkConstraintEnableTransMotor { get; private set; }
    public static float LinkConstraintTransMotorMaxVel { get; private set; }
@@ -605,8 +611,18 @@ public static class BSParam
            0.2f ),
        new ParameterDefn<float>("VehicleAngularBankingTimescaleFudge", "Factor to multiple angular banking timescale. Tune to increase realism.",
            60.0f ),
-        new ParameterDefn<bool>("VehicleDebuggingEnable", "Turn on/off vehicle debugging",
+        new ParameterDefn<bool>("VehicleEnableLinearDeflection", "Turn on/off vehicle linear deflection effect",
-            false ),
+            true ),
+        new ParameterDefn<bool>("VehicleLinearDeflectionNotCollidingNoZ", "Turn on/off linear deflection Z effect on non-colliding vehicles",
+            true ),
+        new ParameterDefn<bool>("VehicleEnableAngularVerticalAttraction", "Turn on/off vehicle angular vertical attraction effect",
+            true ),
+        new ParameterDefn<int>("VehicleAngularVerticalAttractionAlgorithm", "Select vertical attraction algo. You need to look at the source.",
+            0 ),
+        new ParameterDefn<bool>("VehicleEnableAngularDeflection", "Turn on/off vehicle angular deflection effect",
+            true ),
+        new ParameterDefn<bool>("VehicleEnableAngularBanking", "Turn on/off vehicle angular banking effect",
+            true ),
            new ParameterDefn<float>("MaxPersistantManifoldPoolSize", "Number of manifolds pooled (0 means default of 4096)",
            0f,
@@ -684,6 +700,8 @@ public static class BSParam
            new ParameterDefn<float>("LinksetImplementation", "Type of linkset implementation (0=Constraint, 1=Compound, 2=Manual)",
            (float)BSLinkset.LinksetImplementation.Compound ),
+            new ParameterDefn<bool>("LinksetOffsetCenterOfMass", "If 'true', compute linkset center-of-mass and offset linkset position to account for same",
+            false ),
            new ParameterDefn<bool>("LinkConstraintUseFrameOffset", "For linksets built with constraints, enable frame offsetFor linksets built with constraints, enable frame offset.",
            false ),
            new ParameterDefn<bool>("LinkConstraintEnableTransMotor", "Whether to enable translational motor on linkset constraints",
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs b/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
index a0d5c42..a41eaf8 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
@@ -90,6 +90,8 @@ public abstract class BSPhysObject : PhysicsActor
        PhysBody = new BulletBody(localID);
        PhysShape = new BSShapeNull();
+        UserSetCenterOfMassDisplacement = null;
        PrimAssetState = PrimAssetCondition.Unknown;
        // Default material type. Also sets Friction, Restitution and Density.
@@ -180,6 +182,7 @@ public abstract class BSPhysObject : PhysicsActor
        Material = (MaterialAttributes.Material)material;
        // Setting the material sets the material attributes also.
+        // TODO: decide if this is necessary -- the simulator does this.
        MaterialAttributes matAttrib = BSMaterials.GetAttributes(Material, false);
        Friction = matAttrib.friction;
        Restitution = matAttrib.restitution;
@@ -194,10 +197,10 @@ public abstract class BSPhysObject : PhysicsActor
    // Update the physical location and motion of the object. Called with data from Bullet.
    public abstract void UpdateProperties(EntityProperties entprop);
-    public abstract OMV.Vector3 RawPosition { get; set; }
+    public virtual OMV.Vector3 RawPosition { get; set; }
    public abstract OMV.Vector3 ForcePosition { get; set; }
-    public abstract OMV.Quaternion RawOrientation { get; set; }
+    public virtual OMV.Quaternion RawOrientation { get; set; }
    public abstract OMV.Quaternion ForceOrientation { get; set; }
    public OMV.Vector3 RawVelocity { get; set; }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs b/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
index b2947c6..d43448e 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
@@ -51,12 +51,8 @@ public class BSPrim : BSPhysObject
    private bool _isSelected;
    private bool _isVolumeDetect;
-    // _position is what the simulator thinks the positions of the prim is.
-    private OMV.Vector3 _position;
    private float _mass;    // the mass of this object
    private OMV.Vector3 _acceleration;
-    private OMV.Quaternion _orientation;
    private int _physicsActorType;
    private bool _isPhysical;
    private bool _flying;
@@ -88,10 +84,10 @@ public class BSPrim : BSPhysObject
    {
        // m_log.DebugFormat("{0}: BSPrim creation of {1}, id={2}", LogHeader, primName, localID);
        _physicsActorType = (int)ActorTypes.Prim;
-        _position = pos;
+        RawPosition = pos;
        _size = size;
        Scale = size;   // prims are the size the user wants them to be (different for BSCharactes).
-        _orientation = rotation;
+        RawOrientation = rotation;
        _buoyancy = 0f;
        RawVelocity = OMV.Vector3.Zero;
        _rotationalVelocity = OMV.Vector3.Zero;
@@ -270,46 +266,42 @@ public class BSPrim : BSPhysObject
        return;
    }
-    public override OMV.Vector3 RawPosition
-    {
-        get { return _position; }
-        set { _position = value; }
-    }
    public override OMV.Vector3 Position {
        get {
            // don't do the GetObjectPosition for root elements because this function is called a zillion times.
-            // _position = ForcePosition;
+            // RawPosition = ForcePosition;
-            return _position;
+            return RawPosition;
        }
        set {
            // If the position must be forced into the physics engine, use ForcePosition.
            // All positions are given in world positions.
-            if (_position == value)
+            if (RawPosition == value)
            {
-                DetailLog("{0},BSPrim.setPosition,call,positionNotChanging,pos={1},orient={2}", LocalID, _position, _orientation);
+                DetailLog("{0},BSPrim.setPosition,call,positionNotChanging,pos={1},orient={2}", LocalID, RawPosition, RawOrientation);
                return;
            }
-            _position = value;
+            RawPosition = value;
            PositionSanityCheck(false);
            PhysScene.TaintedObject("BSPrim.setPosition", delegate()
            {
-                DetailLog("{0},BSPrim.SetPosition,taint,pos={1},orient={2}", LocalID, _position, _orientation);
+                DetailLog("{0},BSPrim.SetPosition,taint,pos={1},orient={2}", LocalID, RawPosition, RawOrientation);
-                ForcePosition = _position;
+                ForcePosition = RawPosition;
            });
        }
    }
+    // NOTE: overloaded by BSPrimDisplaced to handle offset for center-of-gravity.
    public override OMV.Vector3 ForcePosition {
        get {
-            _position = PhysScene.PE.GetPosition(PhysBody);
+            RawPosition = PhysScene.PE.GetPosition(PhysBody);
-            return _position;
+            return RawPosition;
        }
        set {
-            _position = value;
+            RawPosition = value;
            if (PhysBody.HasPhysicalBody)
            {
-                PhysScene.PE.SetTranslation(PhysBody, _position, _orientation);
+                PhysScene.PE.SetTranslation(PhysBody, RawPosition, RawOrientation);
                ActivateIfPhysical(false);
            }
        }
@@ -343,10 +335,10 @@ public class BSPrim : BSPhysObject
            float targetHeight = terrainHeight + (Size.Z / 2f);
            // If the object is below ground it just has to be moved up because pushing will
            //     not get it through the terrain
-            _position.Z = targetHeight;
+            RawPosition = new OMV.Vector3(RawPosition.X, RawPosition.Y, targetHeight);
            if (inTaintTime)
            {
-                ForcePosition = _position;
+                ForcePosition = RawPosition;
            }
            // If we are throwing the object around, zero its other forces
            ZeroMotion(inTaintTime);
@@ -355,7 +347,7 @@ public class BSPrim : BSPhysObject
        if ((CurrentCollisionFlags & CollisionFlags.BS_FLOATS_ON_WATER) != 0)
        {
-            float waterHeight = PhysScene.TerrainManager.GetWaterLevelAtXYZ(_position);
+            float waterHeight = PhysScene.TerrainManager.GetWaterLevelAtXYZ(RawPosition);
            // TODO: a floating motor so object will bob in the water
            if (Math.Abs(RawPosition.Z - waterHeight) > 0.1f)
            {
@@ -364,7 +356,7 @@ public class BSPrim : BSPhysObject
                // Apply upforce and overcome gravity.
                OMV.Vector3 correctionForce = upForce - PhysScene.DefaultGravity;
-                DetailLog("{0},BSPrim.PositionSanityCheck,applyForce,pos={1},upForce={2},correctionForce={3}", LocalID, _position, upForce, correctionForce);
+                DetailLog("{0},BSPrim.PositionSanityCheck,applyForce,pos={1},upForce={2},correctionForce={3}", LocalID, RawPosition, upForce, correctionForce);
                AddForce(correctionForce, false, inTaintTime);
                ret = true;
            }
@@ -383,11 +375,11 @@ public class BSPrim : BSPhysObject
        uint wayOutThere = Constants.RegionSize * Constants.RegionSize;
        // There have been instances of objects getting thrown way out of bounds and crashing
        //    the border crossing code.
-        if (   _position.X < -Constants.RegionSize || _position.X > wayOutThere
+        if (   RawPosition.X < -Constants.RegionSize || RawPosition.X > wayOutThere
-            || _position.Y < -Constants.RegionSize || _position.Y > wayOutThere
+            || RawPosition.Y < -Constants.RegionSize || RawPosition.Y > wayOutThere
-            || _position.Z < -Constants.RegionSize || _position.Z > wayOutThere)
+            || RawPosition.Z < -Constants.RegionSize || RawPosition.Z > wayOutThere)
        {
-            _position = new OMV.Vector3(10, 10, 50);
+            RawPosition = new OMV.Vector3(10, 10, 50);
            ZeroMotion(inTaintTime);
            ret = true;
        }
@@ -713,23 +705,19 @@ public class BSPrim : BSPhysObject
        get { return _acceleration; }
        set { _acceleration = value; }
    }
-    public override OMV.Quaternion RawOrientation
-    {
-        get { return _orientation; }
-        set { _orientation = value; }
-    }
    public override OMV.Quaternion Orientation {
        get {
-            return _orientation;
+            return RawOrientation;
        }
        set {
-            if (_orientation == value)
+            if (RawOrientation == value)
                return;
-            _orientation = value;
+            RawOrientation = value;
            PhysScene.TaintedObject("BSPrim.setOrientation", delegate()
            {
-                ForceOrientation = _orientation;
+                ForceOrientation = RawOrientation;
            });
        }
    }
@@ -738,14 +726,14 @@ public class BSPrim : BSPhysObject
    {
        get
        {
-            _orientation = PhysScene.PE.GetOrientation(PhysBody);
+            RawOrientation = PhysScene.PE.GetOrientation(PhysBody);
-            return _orientation;
+            return RawOrientation;
        }
        set
        {
-            _orientation = value;
+            RawOrientation = value;
            if (PhysBody.HasPhysicalBody)
-                PhysScene.PE.SetTranslation(PhysBody, _position, _orientation);
+                PhysScene.PE.SetTranslation(PhysBody, RawPosition, RawOrientation);
        }
    }
    public override int PhysicsActorType {
@@ -802,6 +790,7 @@ public class BSPrim : BSPhysObject
    //     isSolid: other objects bounce off of this object
    //     isVolumeDetect: other objects pass through but can generate collisions
    //     collisionEvents: whether this object returns collision events
+    // NOTE: overloaded by BSPrimLinkable to also update linkset physical parameters.
    public virtual void UpdatePhysicalParameters()
    {
        if (!PhysBody.HasPhysicalBody)
@@ -888,7 +877,7 @@ public class BSPrim : BSPhysObject
            // PhysicsScene.PE.ClearAllForces(BSBody);
            // For good measure, make sure the transform is set through to the motion state
-            ForcePosition = _position;
+            ForcePosition = RawPosition;
            ForceVelocity = RawVelocity;
            ForceRotationalVelocity = _rotationalVelocity;
@@ -1125,7 +1114,9 @@ public class BSPrim : BSPhysObject
                OMV.Vector3 addForce = force;
                PhysScene.TaintedObject(inTaintTime, "BSPrim.AddForce", delegate()
                {
-                    // Bullet adds this central force to the total force for this tick
+                    // Bullet adds this central force to the total force for this tick.
+                    // Deep down in Bullet:
+                    //      linearVelocity += totalForce / mass * timeStep;
                    DetailLog("{0},BSPrim.addForce,taint,force={1}", LocalID, addForce);
                    if (PhysBody.HasPhysicalBody)
                    {
@@ -1493,6 +1484,8 @@ public class BSPrim : BSPhysObject
        returnMass = Util.Clamp(returnMass, BSParam.MinimumObjectMass, BSParam.MaximumObjectMass);
        // DetailLog("{0},BSPrim.CalculateMass,den={1},vol={2},mass={3}", LocalID, Density, volume, returnMass);
+        DetailLog("{0},BSPrim.CalculateMass,den={1},vol={2},mass={3},pathB={4},pathE={5},profB={6},profE={7},siz={8}",
+                            LocalID, Density, volume, returnMass, pathBegin, pathEnd, profileBegin, profileEnd, _size);
        return returnMass;
    }// end CalculateMass
@@ -1528,6 +1521,8 @@ public class BSPrim : BSPhysObject
    // The physics engine says that properties have updated. Update same and inform
    // the world that things have changed.
+    // NOTE: BSPrim.UpdateProperties is overloaded by BSPrimLinkable which modifies updates from root and children prims.
+    // NOTE: BSPrim.UpdateProperties is overloaded by BSPrimDisplaced which handles mapping physical position to simulator position.
    public override void UpdateProperties(EntityProperties entprop)
    {
        // Let anyone (like the actors) modify the updated properties before they are pushed into the object and the simulator.
@@ -1536,8 +1531,8 @@ public class BSPrim : BSPhysObject
        // DetailLog("{0},BSPrim.UpdateProperties,entry,entprop={1}", LocalID, entprop);   // DEBUG DEBUG
        // Assign directly to the local variables so the normal set actions do not happen
-        _position = entprop.Position;
+        RawPosition = entprop.Position;
-        _orientation = entprop.Rotation;
+        RawOrientation = entprop.Rotation;
        // DEBUG DEBUG DEBUG -- smooth velocity changes a bit. The simulator seems to be
        //    very sensitive to velocity changes.
        if (entprop.Velocity == OMV.Vector3.Zero || !entprop.Velocity.ApproxEquals(RawVelocity, BSParam.UpdateVelocityChangeThreshold))
@@ -1550,21 +1545,19 @@ public class BSPrim : BSPhysObject
        // The sanity check can change the velocity and/or position.
        if (PositionSanityCheck(true /* inTaintTime */ ))
        {
-            entprop.Position = _position;
+            entprop.Position = RawPosition;
            entprop.Velocity = RawVelocity;
            entprop.RotationalVelocity = _rotationalVelocity;
            entprop.Acceleration = _acceleration;
        }
-        OMV.Vector3 direction = OMV.Vector3.UnitX * _orientation;   // DEBUG DEBUG DEBUG
+        OMV.Vector3 direction = OMV.Vector3.UnitX * RawOrientation;   // DEBUG DEBUG DEBUG
        DetailLog("{0},BSPrim.UpdateProperties,call,entProp={1},dir={2}", LocalID, entprop, direction);
        // remember the current and last set values
        LastEntityProperties = CurrentEntityProperties;
        CurrentEntityProperties = entprop;
-        // Note that BSPrim can be overloaded by BSPrimLinkable which controls updates from root and children prims.
-        
        PhysScene.PostUpdate(this);
    }
 }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSPrimDisplaced.cs b/OpenSim/Region/Physics/BulletSPlugin/BSPrimDisplaced.cs
index f5ee671..2eb1440 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSPrimDisplaced.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSPrimDisplaced.cs
@@ -23,11 +23,6 @@
 * 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.
- *
- * The quotations from http://wiki.secondlife.com/wiki/Linden_Vehicle_Tutorial
- * are Copyright (c) 2009 Linden Research, Inc and are used under their license
- * of Creative Commons Attribution-Share Alike 3.0
- * (http://creativecommons.org/licenses/by-sa/3.0/).
 */
 using System;
@@ -44,14 +39,14 @@ namespace OpenSim.Region.Physics.BulletSPlugin
 {
 public class BSPrimDisplaced : BSPrim
 {
-    // The purpose of this module is to do any mapping between what the simulator thinks
+    // The purpose of this subclass is to do any mapping between what the simulator thinks
    //    the prim position and orientation is and what the physical position/orientation.
    //    This difference happens because Bullet assumes the center-of-mass is the <0,0,0>
-    //    of the prim/linkset. The simulator tracks the location of the prim/linkset by
+    //    of the prim/linkset. The simulator, on the other hand, tracks the location of
-    //    the location of the root prim. So, if center-of-mass is anywhere but the origin
+    //    the prim/linkset by the location of the root prim. So, if center-of-mass is anywhere
-    //    of the root prim, the physical origin is displaced from the simulator origin.
+    //    but the origin of the root prim, the physical origin is displaced from the simulator origin.
    //
-    // This routine works by capturing the Force* setting of position/orientation/... and
+    // This routine works by capturing ForcePosition and
    //    adjusting the simulator values (being set) into the physical values.
    //    The conversion is also done in the opposite direction (physical origin -> simulator origin).
    //
@@ -59,8 +54,8 @@ public class BSPrimDisplaced : BSPrim
    //    are converted into simulator origin values before being passed to the base
    //    class.
+    // PositionDisplacement is the vehicle relative distance from the root prim position to the center-of-mass.
    public virtual OMV.Vector3 PositionDisplacement { get; set; }
-    public virtual OMV.Quaternion OrientationDisplacement { get; set; }
    public BSPrimDisplaced(uint localID, String primName, BSScene parent_scene, OMV.Vector3 pos, OMV.Vector3 size,
                       OMV.Quaternion rotation, PrimitiveBaseShape pbs, bool pisPhysical)
@@ -69,50 +64,82 @@ public class BSPrimDisplaced : BSPrim
        ClearDisplacement();
    }
+    // Clears any center-of-mass displacement introduced by linksets, etc.
+    // Does not clear the displacement set by the user.
    public void ClearDisplacement()
    {
-        PositionDisplacement = OMV.Vector3.Zero;
+        if (UserSetCenterOfMassDisplacement.HasValue)
-        OrientationDisplacement = OMV.Quaternion.Identity;
+            PositionDisplacement = (OMV.Vector3)UserSetCenterOfMassDisplacement;
+        else
+            PositionDisplacement = OMV.Vector3.Zero;
    }
    // Set this sets and computes the displacement from the passed prim to the center-of-mass.
    // A user set value for center-of-mass overrides whatever might be passed in here.
    // The displacement is in local coordinates (relative to root prim in linkset oriented coordinates).
-    public virtual void SetEffectiveCenterOfMassDisplacement(Vector3 centerOfMassDisplacement)
+    // Returns the relative offset from the root position to the center-of-mass.
+    // Called at taint time.
+    public virtual Vector3 SetEffectiveCenterOfMassDisplacement(Vector3 centerOfMassDisplacement)
    {
+        PhysScene.AssertInTaintTime("BSPrimDisplaced.SetEffectiveCenterOfMassDisplacement");
        Vector3 comDisp;
        if (UserSetCenterOfMassDisplacement.HasValue)
            comDisp = (OMV.Vector3)UserSetCenterOfMassDisplacement;
        else
            comDisp = centerOfMassDisplacement;
+        // Eliminate any jitter caused be very slight differences in masses and positions
+        if (comDisp.ApproxEquals(Vector3.Zero, 0.01f) )
+            comDisp = Vector3.Zero;
        DetailLog("{0},BSPrimDisplaced.SetEffectiveCenterOfMassDisplacement,userSet={1},comDisp={2}",
                                    LocalID, UserSetCenterOfMassDisplacement.HasValue, comDisp);
-        if (comDisp == Vector3.Zero)
+        if ( !comDisp.ApproxEquals(PositionDisplacement, 0.01f) )
        {
-            // If there is no diplacement. Things get reset.
+            // Displacement setting is changing.
-            PositionDisplacement = OMV.Vector3.Zero;
+            // The relationship between the physical object and simulated object must be aligned.
-            OrientationDisplacement = OMV.Quaternion.Identity;
-        }
-        else
-        {
-            // Remember the displacement from root as well as the origional rotation of the
-            //    new center-of-mass.
            PositionDisplacement = comDisp;
-            OrientationDisplacement = OMV.Quaternion.Identity;
+            this.ForcePosition = RawPosition;
        }
+        return PositionDisplacement;
    }
+    // 'ForcePosition' is the one way to set the physical position of the body in the physics engine.
+    // Displace the simulator idea of position (center of root prim) to the physical position.
    public override Vector3 ForcePosition
    {
-        get { return base.ForcePosition; }
+        get {
+            OMV.Vector3 physPosition = PhysScene.PE.GetPosition(PhysBody);
+            if (PositionDisplacement != OMV.Vector3.Zero)
+            {
+                // If there is some displacement, return the physical position (center-of-mass)
+                //     location minus the displacement to give the center of the root prim.
+                OMV.Vector3 displacement = PositionDisplacement * ForceOrientation;
+                DetailLog("{0},BSPrimDisplaced.ForcePosition,get,physPos={1},disp={2},simPos={3}",
+                                LocalID, physPosition, displacement, physPosition - displacement);
+                physPosition -= displacement;
+            }
+            RawPosition = physPosition;
+            return physPosition;
+        }
        set
        {
            if (PositionDisplacement != OMV.Vector3.Zero)
            {
-                OMV.Vector3 displacedPos = value - (PositionDisplacement * RawOrientation);
+                // This value is the simulator's idea of where the prim is: the center of the root prim
-                DetailLog("{0},BSPrimDisplaced.ForcePosition,val={1},disp={2},newPos={3}", LocalID, value, PositionDisplacement, displacedPos);
+                RawPosition = value;
-                base.ForcePosition = displacedPos;
+                // Move the passed root prim postion to the center-of-mass position and set in the physics engine.
+                OMV.Vector3 displacement = PositionDisplacement * RawOrientation;
+                OMV.Vector3 displacedPos = RawPosition + displacement;
+                DetailLog("{0},BSPrimDisplaced.ForcePosition,set,simPos={1},disp={2},physPos={3}",
+                                        LocalID, RawPosition, displacement, displacedPos);
+                if (PhysBody.HasPhysicalBody)
+                {
+                    PhysScene.PE.SetTranslation(PhysBody, displacedPos, RawOrientation);
+                    ActivateIfPhysical(false);
+                }
            }
            else
            {
@@ -121,25 +148,12 @@ public class BSPrimDisplaced : BSPrim
        }
    }
-    public override Quaternion ForceOrientation
+    // These are also overridden by BSPrimLinkable if the prim can be part of a linkset
-    {
-        get { return base.ForceOrientation; }
-        set
-        {
-            // TODO:
-            base.ForceOrientation = value;
-        }
-    }
-    // TODO: decide if this is the right place for these variables.
-    //     Somehow incorporate the optional settability by the user.
-    // Is this used?
    public override OMV.Vector3 CenterOfMass
    {
        get { return RawPosition; }
    }
-    // Is this used?
    public override OMV.Vector3 GeometricCenter
    {
        get { return RawPosition; }
@@ -148,15 +162,18 @@ public class BSPrimDisplaced : BSPrim
    public override void UpdateProperties(EntityProperties entprop)
    {
        // Undo any center-of-mass displacement that might have been done.
-        if (PositionDisplacement != OMV.Vector3.Zero || OrientationDisplacement != OMV.Quaternion.Identity)
+        if (PositionDisplacement != OMV.Vector3.Zero)
        {
-            // Correct for any rotation around the center-of-mass
+            // The origional shape was offset from 'zero' by PositionDisplacement.
-            // TODO!!!
+            // These physical location must be back converted to be centered around the displaced
-            
+            //     root shape.
-            OMV.Vector3 displacedPos = entprop.Position + (PositionDisplacement * entprop.Rotation);
-            DetailLog("{0},BSPrimDisplaced.ForcePosition,physPos={1},disp={2},newPos={3}", LocalID, entprop.Position, PositionDisplacement, displacedPos);
+            // Move the returned center-of-mass location to the root prim location.
+            OMV.Vector3 displacement = PositionDisplacement * entprop.Rotation;
+            OMV.Vector3 displacedPos = entprop.Position - displacement;
+            DetailLog("{0},BSPrimDisplaced.UpdateProperties,physPos={1},disp={2},simPos={3}",
+                                    LocalID, entprop.Position, displacement, displacedPos);
            entprop.Position = displacedPos;
-            // entprop.Rotation = something;
        }
        base.UpdateProperties(entprop);
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSPrimLinkable.cs b/OpenSim/Region/Physics/BulletSPlugin/BSPrimLinkable.cs
index 87eed98..1fbcfcc 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSPrimLinkable.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSPrimLinkable.cs
@@ -37,6 +37,12 @@ namespace OpenSim.Region.Physics.BulletSPlugin
 {
 public class BSPrimLinkable : BSPrimDisplaced
 {
+    // The purpose of this subclass is to add linkset functionality to the prim. This overrides
+    //    operations necessary for keeping the linkset created and, additionally, this
+    //    calls the linkset implementation for its creation and management.
+    // This adds the overrides for link() and delink() so the prim is linkable.
    public BSLinkset Linkset { get; set; }
    // The index of this child prim.
    public int LinksetChildIndex { get; set; }
@@ -69,8 +75,8 @@ public class BSPrimLinkable : BSPrimDisplaced
        BSPrimLinkable parent = obj as BSPrimLinkable;
        if (parent != null)
        {
-            BSPhysObject parentBefore = Linkset.LinksetRoot;
+            BSPhysObject parentBefore = Linkset.LinksetRoot;    // DEBUG
-            int childrenBefore = Linkset.NumberOfChildren;
+            int childrenBefore = Linkset.NumberOfChildren;      // DEBUG
            Linkset = parent.Linkset.AddMeToLinkset(this);
@@ -85,8 +91,8 @@ public class BSPrimLinkable : BSPrimDisplaced
        // TODO: decide if this parent checking needs to happen at taint time
        // Race condition here: if link() and delink() in same simulation tick, the delink will not happen
-        BSPhysObject parentBefore = Linkset.LinksetRoot;
+        BSPhysObject parentBefore = Linkset.LinksetRoot;        // DEBUG
-        int childrenBefore = Linkset.NumberOfChildren;
+        int childrenBefore = Linkset.NumberOfChildren;          // DEBUG
        Linkset = Linkset.RemoveMeFromLinkset(this);
@@ -128,6 +134,17 @@ public class BSPrimLinkable : BSPrimDisplaced
        get { return Linkset.LinksetMass; }
    }
+    public override OMV.Vector3 CenterOfMass
+    {
+        get { return Linkset.CenterOfMass; }
+    }
+    public override OMV.Vector3 GeometricCenter
+    {
+        get { return Linkset.GeometricCenter; }
+    }
+    // Refresh the linkset structure and parameters when the prim's physical parameters are changed.
    public override void UpdatePhysicalParameters()
    {
        base.UpdatePhysicalParameters();
@@ -139,13 +156,17 @@ public class BSPrimLinkable : BSPrimDisplaced
            Linkset.Refresh(this);
    }
+    // When the prim is made dynamic or static, the linkset needs to change.
    protected override void MakeDynamic(bool makeStatic)
    {
        base.MakeDynamic(makeStatic);
-        if (makeStatic)
+        if (Linkset != null)    // null can happen during initialization
-            Linkset.MakeStatic(this);
+        {
-        else
+            if (makeStatic)
-            Linkset.MakeDynamic(this);
+                Linkset.MakeStatic(this);
+            else
+                Linkset.MakeDynamic(this);
+        }
    }
    // Body is being taken apart. Remove physical dependencies and schedule a rebuild.
@@ -155,6 +176,8 @@ public class BSPrimLinkable : BSPrimDisplaced
        base.RemoveDependencies();
    }
+    // Called after a simulation step for the changes in physical object properties.
+    // Do any filtering/modification needed for linksets.
    public override void UpdateProperties(EntityProperties entprop)
    {
        if (Linkset.IsRoot(this))
@@ -176,6 +199,7 @@ public class BSPrimLinkable : BSPrimDisplaced
        Linkset.UpdateProperties(UpdatedProperties.EntPropUpdates, this);
    }
+    // Called after a simulation step to post a collision with this object.
    public override bool Collide(uint collidingWith, BSPhysObject collidee,
                    OMV.Vector3 contactPoint, OMV.Vector3 contactNormal, float pentrationDepth)
    {
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
index 1645c98..214271b 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
@@ -1,4 +1,4 @@
-/*
+/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
@@ -648,7 +648,7 @@ public sealed class BSScene : PhysicsScene, IPhysicsParameters
        simTime = Util.EnvironmentTickCountSubtract(beforeTime);
        if (PhysicsLogging.Enabled)
        {
-            DetailLog("{0},DoPhysicsStep,call, frame={1}, nTaints={2}, simTime={3}, substeps={4}, updates={5}, colliders={6}, objWColl={7}",
+            DetailLog("{0},DoPhysicsStep,complete,frame={1}, nTaints={2}, simTime={3}, substeps={4}, updates={5}, colliders={6}, objWColl={7}",
                                    DetailLogZero, m_simulationStep, numTaints, simTime, numSubSteps,
                                    updatedEntityCount, collidersCount, ObjectsWithCollisions.Count);
        }
@@ -785,7 +785,6 @@ public sealed class BSScene : PhysicsScene, IPhysicsParameters
            {
                // The simulation of the time interval took less than realtime.
                // Do a sleep for the rest of realtime.
-                DetailLog("{0},BulletSPluginPhysicsThread,sleeping={1}", BSScene.DetailLogZero, simulationTimeVsRealtimeDifferenceMS);
                Thread.Sleep(simulationTimeVsRealtimeDifferenceMS);
            }
            else
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BulletSimTODO.txt b/OpenSim/Region/Physics/BulletSPlugin/BulletSimTODO.txt
index 4357ef1..0453376 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BulletSimTODO.txt
+++ b/OpenSim/Region/Physics/BulletSPlugin/BulletSimTODO.txt
@@ -3,25 +3,21 @@ CURRENT PROBLEMS TO FIX AND/OR LOOK AT
 Vehicle buoyancy. Computed correctly? Possibly creating very large effective mass.
    Interaction of llSetBuoyancy and vehicle buoyancy. Should be additive?
    Negative buoyancy computed correctly
+Center-of-gravity
 Computation of mesh mass. How done? How should it be done?
-Script changing rotation of child prim while vehicle moving (eg turning wheel) causes
-        the wheel to appear to jump back. Looks like sending position from previous update.
 Enable vehicle border crossings (at least as poorly as ODE)
        Terrain skirts
        Avatar created in previous region and not new region when crossing border
        Vehicle recreated in new sim at small Z value (offset from root value?) (DONE)
+User settable terrain mesh
+        Allow specifying as convex or concave and use different getHeight functions depending
+Boats, when turning nose down into the water
+        Acts like rotation around Z is also effecting rotation around X and Y
 Deleting a linkset while standing on the root will leave the physical shape of the root behind.
        Not sure if it is because standing on it. Done with large prim linksets.
 Linkset child rotations.
        Nebadon spiral tube has middle sections which are rotated wrong.
        Select linked spiral tube. Delink and note where the middle section ends up.
-Refarb compound linkset creation to create a pseudo-root for center-of-mass
-        Let children change their shape to physical indendently and just add shapes to compound
-Vehicle angular vertical attraction
-vehicle angular banking
-Center-of-gravity
-Vehicle angular deflection
-        Preferred orientation angular correction fix
 Teravus llMoveToTarget script debug
        Mixing of hover, buoyancy/gravity, moveToTarget, into one force
        Setting hover height to zero disables hover even if hover flags are on (from SL wiki)
@@ -33,10 +29,16 @@ Vehicle script tuning/debugging
        Avanti speed script
        Weapon shooter script
 Move material definitions (friction, ...) into simulator.
+osGetPhysicsEngineVerion() and create a version code for the C++ DLL
 One sided meshes? Should terrain be built into a closed shape?
        When meshes get partially wedged into the terrain, they cannot push themselves out.
        It is possible that Bullet processes collisions whether entering or leaving a mesh.
        Ref: http://bulletphysics.org/Bullet/phpBB3/viewtopic.php?t=4869
+Small physical objects do not interact correctly
+    Create chain of .5x.5x.1 torui and make all but top physical so to hang.
+        The chain will fall apart and pairs will dance around on ground
+    Chains of 1x1x.2 will stay connected but will dance.
+    Chains above 2x2x.4 are more stable and get stablier as torui get larger.
 VEHICLES TODO LIST:
 =================================================
@@ -45,14 +47,12 @@ LINEAR_MOTOR_DIRECTION values should be clamped to reasonable numbers.
        Same for other velocity settings.
 UBit improvements to remove rubber-banding of avatars sitting on vehicle child prims:
        https://github.com/UbitUmarov/Ubit-opensim
-Vehicles (Move smoothly)
 Some vehicles should not be able to turn if no speed or off ground.
 Cannot edit/move a vehicle being ridden: it jumps back to the origional position.
 Neb car jiggling left and right
        Happens on terrain and any other mesh object. Flat cubes are much smoother.
        This has been reduced but not eliminated.
 Implement referenceFrame for all the motion routines.
-For limitMotorUp, use raycast down to find if vehicle is in the air.
 Verify llGetVel() is returning a smooth and good value for vehicle movement.
 llGetVel() should return the root's velocity if requested in a child prim.
 Implement function efficiency for lineaar and angular motion.
@@ -93,29 +93,15 @@ Revisit CollisionMargin. Builders notice the 0.04 spacing between prims.
 Duplicating a physical prim causes old prim to jump away
        Dup a phys prim and the original become unselected and thus interacts w/ selected prim.
 Scenes with hundred of thousands of static objects take a lot of physics CPU time.
-BSPrim.Force should set a continious force on the prim. The force should be
-        applied each tick.  Some limits?
 Gun sending shooter flying.
 Collision margin (gap between physical objects lying on each other)
 Boundry checking (crashes related to crossing boundry)
    Add check for border edge position for avatars and objects.
    Verify the events are created for border crossings.
-Avatar rotation (check out changes to ScenePresence for physical rotation)
-Avatar running (what does phys engine need to do?)
-Small physical objects do not interact correctly
-    Create chain of .5x.5x.1 torui and make all but top physical so to hang.
-        The chain will fall apart and pairs will dance around on ground
-    Chains of 1x1x.2 will stay connected but will dance.
-    Chains above 2x2x.4 are more stable and get stablier as torui get larger.
-Add PID motor for avatar movement (slow to stop, ...)
-setForce should set a constant force. Different than AddImpulse.
-Implement raycast.
 Implement ShapeCollection.Dispose()
-Implement water as a plain so raycasting and collisions can happen with same.
+Implement water as a plain or mesh so raycasting and collisions can happen with same.
 Add collision penetration return
        Add field passed back by BulletSim.dll and fill with info in ManifoldConstact.GetDistance()
-Add osGetPhysicsEngineName() so scripters can tell whether BulletSim or ODE
-        Also osGetPhysicsEngineVerion() maybe.
 Linkset.Position and Linkset.Orientation requre rewrite to properly return
        child position. LinksetConstraint acts like it's at taint time!!
 Implement LockAngularMotion -- implements llSetStatus(ROTATE_AXIS_*, T/F)
@@ -127,9 +113,6 @@ Selecting and deselecting physical objects causes CPU processing time to jump
 Re-implement buoyancy as a separate force on the object rather than diddling gravity.
        Register a pre-step event to add the force.
 More efficient memory usage when passing hull information from BSPrim to BulletSim
-Avatar movement motor check for zero or small movement. Somehow suppress small movements
-        when avatar has stopped and is just standing. Simple test for near zero has
-        the problem of preventing starting up (increase from zero) especially when falling.
 Physical and phantom will drop through the terrain
@@ -172,7 +155,6 @@ Do we need to do convex hulls all the time? Can complex meshes be left meshes?
        There is some problem with meshes and collisions
        Hulls are not as detailed as meshes. Hulled vehicles insides are different shape.
 Debounce avatar contact so legs don't keep folding up when standing.
-Implement LSL physics controls. Like STATUS_ROTATE_X.
 Add border extensions to terrain to help region crossings and objects leaving region.
 Use a different capsule shape for avatar when sitting
        LL uses a pyrimidal shape scaled by the avatar's bounding box
@@ -205,8 +187,6 @@ Keep avatar scaling correct. http://pennycow.blogspot.fr/2011/07/matter-of-scale
 INTERNAL IMPROVEMENT/CLEANUP
 =================================================
-Can the 'inTaintTime' flag be cleaned up and used? For instance, a call to
-        BSScene.TaintedObject() could immediately execute the callback if already in taint time.
 Create the physical wrapper classes (BulletBody, BulletShape) by methods on
        BSAPITemplate and make their actual implementation Bullet engine specific.
        For the short term, just call the existing functions in ShapeCollection.
@@ -365,4 +345,35 @@ After getting off a vehicle, the root prim is phantom (can be walked through)
 Explore btGImpactMeshShape as alternative to convex hulls for simplified physical objects.
        Regular triangle meshes don't do physical collisions.
        (DONE: discovered GImpact is VERY CPU intensive)
+Script changing rotation of child prim while vehicle moving (eg turning wheel) causes
+        the wheel to appear to jump back. Looks like sending position from previous update.
+        (DONE: redo of compound linksets fixed problem)
+Refarb compound linkset creation to create a pseudo-root for center-of-mass
+        Let children change their shape to physical indendently and just add shapes to compound
+        (DONE: redo of compound linkset fixed problem)
+Vehicle angular vertical attraction     (DONE: vegaslon code)
+vehicle angular banking (DONE: vegaslon code)
+Vehicle angular deflection      (DONE: vegaslon code)
+        Preferred orientation angular correction fix
+Vehicles (Move smoothly)
+For limitMotorUp, use raycast down to find if vehicle is in the air.
+        (WILL NOT BE DONE: gravity does the job well enough)
+BSPrim.Force should set a continious force on the prim. The force should be
+        applied each tick.  Some limits?
+        (DONE: added physical actors. Implemented SetForce, SetTorque, ...)
+Implement LSL physics controls. Like STATUS_ROTATE_X. (DONE)
+Add osGetPhysicsEngineName() so scripters can tell whether BulletSim or ODE
+Avatar rotation (check out changes to ScenePresence for physical rotation) (DONE)
+Avatar running (what does phys engine need to do?) (DONE: multiplies run factor by walking force)
+setForce should set a constant force. Different than AddImpulse. (DONE)
+Add PID motor for avatar movement (slow to stop, ...) (WNBD: current works ok)
+Avatar movement motor check for zero or small movement. Somehow suppress small movements
+        when avatar has stopped and is just standing. Simple test for near zero has
+        the problem of preventing starting up (increase from zero) especially when falling.
+        (DONE: avatar movement actor knows if standing on stationary object and zeros motion)
+Can the 'inTaintTime' flag be cleaned up and used? For instance, a call to
+        BSScene.TaintedObject() could immediately execute the callback if already in taint time.
+        (DONE)
diff --git a/OpenSim/Region/Physics/BulletSPlugin/Tests/BasicVehicles.cs b/OpenSim/Region/Physics/BulletSPlugin/Tests/BasicVehicles.cs
index 583c436..48d3742 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/Tests/BasicVehicles.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/Tests/BasicVehicles.cs
@@ -57,6 +57,8 @@ public class BasicVehicles : OpenSimTestCase
    public void Init()
    {
        Dictionary<string, string> engineParams = new Dictionary<string, string>();
+        engineParams.Add("VehicleEnableAngularVerticalAttraction", "true");
+        engineParams.Add("VehicleAngularVerticalAttractionAlgorithm", "1");
        PhysicsScene = BulletSimTestsUtil.CreateBasicPhysicsEngine(engineParams);
        PrimitiveBaseShape pbs = PrimitiveBaseShape.CreateSphere();
@@ -119,7 +121,7 @@ public class BasicVehicles : OpenSimTestCase
        {
            vehicleActor.ProcessFloatVehicleParam(Vehicle.VERTICAL_ATTRACTION_EFFICIENCY, efficiency);
            vehicleActor.ProcessFloatVehicleParam(Vehicle.VERTICAL_ATTRACTION_TIMESCALE, timeScale);
-            vehicleActor.enableAngularVerticalAttraction = true;
+            // vehicleActor.enableAngularVerticalAttraction = true;
            TestVehicle.IsPhysical = true;
            PhysicsScene.ProcessTaints();
diff --git a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
index d09aa62..b4b7e7f 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
@@ -108,7 +108,6 @@ namespace OpenSim.Region.Physics.OdePlugin
        private Vector3 m_taintAngularLock = Vector3.One;
        private IntPtr Amotor = IntPtr.Zero;
-        private object m_assetsLock = new object();
        private bool m_assetFailed = false;
        private Vector3 m_PIDTarget;
diff --git a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
index 07663b3..7e652fc 100644
--- a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
+++ b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
@@ -46,7 +46,7 @@ namespace OpenSim.Region.Physics.OdePlugin
    /// </summary>
    public class OdePlugin : IPhysicsPlugin
    {
-        private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
+//        private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
        private OdeScene m_scene;
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
index a47e452..44a7c14 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
@@ -353,6 +353,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
                // Position of a sensor in a child prim attached to an avatar
                // will be still wrong. 
                ScenePresence avatar = m_CmdManager.m_ScriptEngine.World.GetScenePresence(SensePoint.ParentGroup.AttachedAvatar);
+                // Don't proceed if the avatar for this attachment has since been removed from the scene.
+                if (avatar == null)
+                    return sensedEntities;
                fromRegionPos = avatar.AbsolutePosition;
                q = avatar.Rotation;
            }
@@ -483,6 +488,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
                // Position of a sensor in a child prim attached to an avatar
                // will be still wrong. 
                ScenePresence avatar = m_CmdManager.m_ScriptEngine.World.GetScenePresence(SensePoint.ParentGroup.AttachedAvatar);
+                // Don't proceed if the avatar for this attachment has since been removed from the scene.
                if (avatar == null)
                    return sensedEntities;
                fromRegionPos = avatar.AbsolutePosition;
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
index 2260ec8..2ea265d 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
@@ -332,7 +332,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
              void llSensorRemove();
              void llSensorRepeat(string name, string id, int type, double range, double arc, double rate);
              void llSetAlpha(double alpha, int face);
-              void llSetAngularVelocity(LSL_Vector angvelocity, int local);
              void llSetBuoyancy(double buoyancy);
              void llSetCameraAtOffset(LSL_Vector offset);
              void llSetCameraEyeOffset(LSL_Vector offset);
@@ -344,6 +343,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
              void llSetDamage(double damage);
              void llSetForce(LSL_Vector force, int local);
              void llSetForceAndTorque(LSL_Vector force, LSL_Vector torque, int local);
+              void llSetAngularVelocity(LSL_Vector angularVelocity, int local);
              void llSetHoverHeight(double height, int water, double tau);
              void llSetInventoryPermMask(string item, int mask, int value);
              void llSetLinkAlpha(int linknumber, double alpha, int face);
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
index b58686b..41e585c 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
@@ -1495,11 +1495,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
            m_LSL_Functions.llSetAlpha(alpha, face);
        }
-        public void llSetAngularVelocity(LSL_Vector angvelocity, int local)
-        {
-            m_LSL_Functions.llSetAngularVelocity(angvelocity, local);
-        }
        public void llSetBuoyancy(double buoyancy)
        {
            m_LSL_Functions.llSetBuoyancy(buoyancy);
@@ -1555,6 +1550,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
            m_LSL_Functions.llSetForceAndTorque(force, torque, local);
        }
+        public void llSetAngularVelocity(LSL_Vector force, int local)
+        {
+            m_LSL_Functions.llSetAngularVelocity(force, local);
+        }
        public void llSetHoverHeight(double height, int water, double tau)
        {
            m_LSL_Functions.llSetHoverHeight(height, water, tau);
diff --git a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
index 8da06d1..3646c98 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
@@ -242,7 +242,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
            if (Engine.Config.GetString("ScriptStopStrategy", "abort") == "co-op")
            {
                m_coopTermination = true;
-                m_coopSleepHandle = new AutoResetEvent(false);
+                m_coopSleepHandle = new XEngineEventWaitHandle(false, EventResetMode.AutoReset);
            }
        }
@@ -1221,4 +1221,23 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
            Suspended = false;
        }
    }
-}
+    /// <summary>
+    /// Xengine event wait handle.
+    /// </summary>
+    /// <remarks>
+    /// This class exists becase XEngineScriptBase gets a reference to this wait handle.  We need to make sure that
+    /// when scripts are running in different AppDomains the lease does not expire.
+    /// FIXME: Like LSL_Api, etc., this effectively leaks memory since the GC will never collect it.  To avoid this,
+    /// proper remoting sponsorship needs to be implemented across the board.
+    /// </remarks>
+    public class XEngineEventWaitHandle : EventWaitHandle
+    {
+        public XEngineEventWaitHandle(bool initialState, EventResetMode mode) : base(initialState, mode) {}
+        public override Object InitializeLifetimeService()
+        {
+            return null;
+        }
+    }
+}
+\ No newline at end of file
author	Melanie	2013-07-18 10:08:10 +0100
committer	Melanie	2013-07-18 10:08:10 +0100
commit	7830cc995471120892a24a39e86283774fa07c4c (patch)
tree	d3f46b4f3ce95bb8572511c6f12c9f8ca86922c8 /OpenSim/Region
parent	Merge branch 'master' into careminster (diff)
parent	Document obscure Groups config related to the user level required for creatin... (diff)
download	opensim-SC_OLD-7830cc995471120892a24a39e86283774fa07c4c.zip opensim-SC_OLD-7830cc995471120892a24a39e86283774fa07c4c.tar.gz opensim-SC_OLD-7830cc995471120892a24a39e86283774fa07c4c.tar.bz2 opensim-SC_OLD-7830cc995471120892a24a39e86283774fa07c4c.tar.xz