Merge branch 'master' into careminster

Conflicts:
	OpenSim/Framework/Monitoring/BaseStatsCollector.cs
	OpenSim/Region/Application/OpenSim.cs
	OpenSim/Region/Application/OpenSimBase.cs
	OpenSim/Region/Framework/Scenes/SceneManager.cs
	bin/OpenMetaverse.Rendering.Meshmerizer.dll
	bin/OpenMetaverse.StructuredData.dll
	bin/OpenMetaverse.dll
	bin/OpenMetaverseTypes.dll
	prebuild.xml

7 files changed, 144 insertions, 40 deletions

diff --git a/OpenSim/Region/Framework/Scenes/EventManager.cs b/OpenSim/Region/Framework/Scenes/EventManager.cs
index 418904f..7cb3811 100644
--- a/OpenSim/Region/Framework/Scenes/EventManager.cs
+++ b/OpenSim/Region/Framework/Scenes/EventManager.cs
@@ -517,8 +517,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// A region is considered ready when startup operations such as loading of scripts already on the region
         /// have been completed.
         /// </remarks>
-        public event RegionReady OnRegionReady;
-        public delegate void RegionReady(IScene scene);
+        public event Action<IScene> OnRegionReadyStatusChange;
 
         public delegate void PrimsLoaded(Scene s);
         public event PrimsLoaded OnPrimsLoaded;
@@ -2533,13 +2532,13 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        public void TriggerRegionReady(IScene scene)
+        public void TriggerRegionReadyStatusChange(IScene scene)
         {
-            RegionReady handler = OnRegionReady;
+            Action<IScene> handler = OnRegionReadyStatusChange;
 
             if (handler != null)
             {
-                foreach (RegionReady d in handler.GetInvocationList())
+                foreach (Action<IScene> d in handler.GetInvocationList())
                 {
                     try
                     {
@@ -2547,7 +2546,7 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                     catch (Exception e)
                     {
-                        m_log.ErrorFormat("[EVENT MANAGER]: Delegate for OnRegionReady failed - continuing {0} - {1}",
+                        m_log.ErrorFormat("[EVENT MANAGER]: Delegate for OnRegionReadyStatusChange failed - continuing {0} - {1}",
                             e.Message, e.StackTrace);
                     }
                 }
diff --git a/OpenSim/Region/Framework/Scenes/RegionStatsHandler.cs b/OpenSim/Region/Framework/Scenes/RegionStatsHandler.cs
index 1365831..c11174d 100644
--- a/OpenSim/Region/Framework/Scenes/RegionStatsHandler.cs
+++ b/OpenSim/Region/Framework/Scenes/RegionStatsHandler.cs
@@ -39,7 +39,7 @@ using OpenSim.Framework.Communications;
 using OpenSim.Framework.Console;
 using OpenSim.Framework.Servers;
 using OpenSim.Framework.Servers.HttpServer;
-using OpenSim.Framework.Statistics;
+using OpenSim.Framework.Monitoring;
 using OpenSim.Region.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index 98b8fcc..672d95a 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -811,16 +811,20 @@ namespace OpenSim.Region.Framework.Scenes
                         && oldAgentID == LibraryService.LibraryRootFolder.Owner))
                 {
                     CreateNewInventoryItem(
-                        remoteClient, item.CreatorId, item.CreatorData, newFolderID, newName, item.Flags, callbackID, asset, (sbyte)item.InvType,
-                        item.BasePermissions, item.CurrentPermissions, item.EveryOnePermissions, item.NextPermissions, item.GroupPermissions, Util.UnixTimeSinceEpoch());
+                        remoteClient, item.CreatorId, item.CreatorData, newFolderID,
+                        newName, item.Description, item.Flags, callbackID, asset, (sbyte)item.InvType,
+                        item.BasePermissions, item.CurrentPermissions, item.EveryOnePermissions,
+                        item.NextPermissions, item.GroupPermissions, Util.UnixTimeSinceEpoch());
                 }
                 else
                 {  
                     // If item is transfer or permissions are off or calling agent is allowed to copy item owner's inventory item.
-                    if (((item.CurrentPermissions & (uint)PermissionMask.Transfer) != 0) && (m_permissions.BypassPermissions() || m_permissions.CanCopyUserInventory(remoteClient.AgentId, oldItemID)))
+                    if (((item.CurrentPermissions & (uint)PermissionMask.Transfer) != 0)
+                        && (m_permissions.BypassPermissions()
+                            || m_permissions.CanCopyUserInventory(remoteClient.AgentId, oldItemID)))
                     {
                         CreateNewInventoryItem(
-                            remoteClient, item.CreatorId, item.CreatorData, newFolderID, newName, item.Flags, callbackID,
+                            remoteClient, item.CreatorId, item.CreatorData, newFolderID, newName, item.Description, item.Flags, callbackID,
                             asset, (sbyte) item.InvType,
                             item.NextPermissions, item.NextPermissions, item.EveryOnePermissions & item.NextPermissions,
                             item.NextPermissions, item.GroupPermissions, Util.UnixTimeSinceEpoch());
@@ -885,32 +889,50 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Create a new inventory item.
         /// </summary>
-        /// <param name="remoteClient"></param>
-        /// <param name="folderID"></param>
-        /// <param name="callbackID"></param>
-        /// <param name="asset"></param>
-        /// <param name="invType"></param>
-        /// <param name="nextOwnerMask"></param>
-        public void CreateNewInventoryItem(IClientAPI remoteClient, string creatorID, string creatorData, UUID folderID, string name, uint flags, uint callbackID,
-                                            AssetBase asset, sbyte invType, uint nextOwnerMask, int creationDate)
+        /// <param name="remoteClient">Client creating this inventory item.</param>
+        /// <param name="creatorID"></param>
+        /// <param name="creatorData"></param>
+        /// <param name="folderID">UUID of folder in which this item should be placed.</param>
+        /// <param name="name">Item name.</para>
+        /// <param name="description">Item description.</param>
+        /// <param name="flags">Item flags</param>
+        /// <param name="callbackID">Generated by the client.</para>
+        /// <param name="asset">Asset to which this item refers.</param>
+        /// <param name="invType">Type of inventory item.</param>
+        /// <param name="nextOwnerMask">Next owner pemrissions mask.</param>
+        /// <param name="creationDate">Unix timestamp at which this item was created.</param>
+        public void CreateNewInventoryItem(
+            IClientAPI remoteClient, string creatorID, string creatorData, UUID folderID,
+            string name, string description, uint flags, uint callbackID,
+            AssetBase asset, sbyte invType, uint nextOwnerMask, int creationDate)
         {
             CreateNewInventoryItem(
-                remoteClient, creatorID, creatorData, folderID, name, flags, callbackID, asset, invType,
+                remoteClient, creatorID, creatorData, folderID, name, description, flags, callbackID, asset, invType,
                 (uint)PermissionMask.All, (uint)PermissionMask.All, 0, nextOwnerMask, 0, creationDate);
         }
 
         /// <summary>
         /// Create a new Inventory Item
         /// </summary>
-        /// <param name="remoteClient"></param>
-        /// <param name="folderID"></param>
-        /// <param name="callbackID"></param>
-        /// <param name="asset"></param>
-        /// <param name="invType"></param>
-        /// <param name="nextOwnerMask"></param>
-        /// <param name="creationDate"></param>
+        /// <param name="remoteClient">Client creating this inventory item.</param>
+        /// <param name="creatorID"></param>
+        /// <param name="creatorData"></param>
+        /// <param name="folderID">UUID of folder in which this item should be placed.</param>
+        /// <param name="name">Item name.</para>
+        /// <param name="description">Item description.</param>
+        /// <param name="flags">Item flags</param>
+        /// <param name="callbackID">Generated by the client.</para>
+        /// <param name="asset">Asset to which this item refers.</param>
+        /// <param name="invType">Type of inventory item.</param>
+        /// <param name="baseMask">Base permissions mask.</param>
+        /// <param name="currentMask">Current permissions mask.</param>
+        /// <param name="everyoneMask">Everyone permissions mask.</param>
+        /// <param name="nextOwnerMask">Next owner pemrissions mask.</param>
+        /// <param name="groupMask">Group permissions mask.</param>
+        /// <param name="creationDate">Unix timestamp at which this item was created.</param>
         private void CreateNewInventoryItem(
-            IClientAPI remoteClient, string creatorID, string creatorData, UUID folderID, string name, uint flags, uint callbackID, AssetBase asset, sbyte invType,
+            IClientAPI remoteClient, string creatorID, string creatorData, UUID folderID,
+            string name, string description, uint flags, uint callbackID, AssetBase asset, sbyte invType,
             uint baseMask, uint currentMask, uint everyoneMask, uint nextOwnerMask, uint groupMask, int creationDate)
         {
             InventoryItemBase item = new InventoryItemBase();
@@ -919,8 +941,8 @@ namespace OpenSim.Region.Framework.Scenes
             item.CreatorData = creatorData;
             item.ID = UUID.Random();
             item.AssetID = asset.FullID;
-            item.Description = asset.Description;
             item.Name = name;
+            item.Description = description;
             item.Flags = flags;
             item.AssetType = asset.Type;
             item.InvType = invType;
@@ -1002,7 +1024,8 @@ namespace OpenSim.Region.Framework.Scenes
                 asset.Description = description;
 
                 CreateNewInventoryItem(
-                    remoteClient, remoteClient.AgentId.ToString(), string.Empty, folderID, name, 0, callbackID, asset, invType,
+                    remoteClient, remoteClient.AgentId.ToString(), string.Empty, folderID,
+                    name, description, 0, callbackID, asset, invType,
                     (uint)PermissionMask.All, (uint)PermissionMask.All, (uint)PermissionMask.All,
                     (uint)PermissionMask.All, (uint)PermissionMask.All, Util.UnixTimeSinceEpoch());
             }
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 0bf2259..f7d74db 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -40,6 +40,7 @@ using OpenMetaverse;
 using OpenMetaverse.Packets;
 using OpenMetaverse.Imaging;
 using OpenSim.Framework;
+using OpenSim.Framework.Monitoring;
 using OpenSim.Services.Interfaces;
 using OpenSim.Framework.Communications;
 using OpenSim.Framework.Console;
@@ -1232,15 +1233,17 @@ namespace OpenSim.Region.Framework.Scenes
                                      avatar.ControllingClient.SendShutdownConnectionNotice();
                                  });
 
+            // Stop updating the scene objects and agents.
+            m_shuttingDown = true;
+
             // Wait here, or the kick messages won't actually get to the agents before the scene terminates.
+            // We also need to wait to avoid a race condition with the scene update loop which might not yet
+            // have checked ShuttingDown.
             Thread.Sleep(500);
 
             // Stop all client threads.
             ForEachScenePresence(delegate(ScenePresence avatar) { avatar.ControllingClient.Close(); });
 
-            // Stop updating the scene objects and agents.
-            m_shuttingDown = true;
-
             m_log.Debug("[SCENE]: Persisting changed objects");
             EventManager.TriggerSceneShuttingDown(this);
 
@@ -1255,6 +1258,15 @@ namespace OpenSim.Region.Framework.Scenes
 
             m_sceneGraph.Close();
 
+            if (PhysicsScene != null)
+            {
+                PhysicsScene phys = PhysicsScene;
+                // remove the physics engine from both Scene and SceneGraph
+                PhysicsScene = null;
+                phys.Dispose();
+                phys = null;
+            }
+
             if (!GridService.DeregisterRegion(RegionInfo.RegionID))
                 m_log.WarnFormat("[SCENE]: Deregister from grid failed for region {0}", Name);
 
@@ -1553,8 +1565,8 @@ namespace OpenSim.Region.Framework.Scenes
                             m_sceneGridService.InformNeighborsThatRegionisUp(
                                 RequestModuleInterface<INeighbourService>(), RegionInfo);
 
-                            // Region ready should always be triggered whether logins are immediately enabled or not.
-                            EventManager.TriggerRegionReady(this);
+                            // Region ready should always be set
+                            Ready = true;
                         }
                         else
                         {
diff --git a/OpenSim/Region/Framework/Scenes/SceneBase.cs b/OpenSim/Region/Framework/Scenes/SceneBase.cs
index d55b082..7c8bd88 100644
--- a/OpenSim/Region/Framework/Scenes/SceneBase.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneBase.cs
@@ -124,6 +124,24 @@ namespace OpenSim.Region.Framework.Scenes
         }
         private bool m_loginsEnabled;
 
+        public bool Ready
+        {
+            get
+            {
+                return m_ready;
+            }
+
+            set
+            {
+                if (m_ready != value)
+                {
+                    m_ready = value;
+                    EventManager.TriggerRegionReadyStatusChange(this);
+                }
+            }
+        }
+        private bool m_ready;
+
         public float TimeDilation
         {
             get { return 1.0f; }
diff --git a/OpenSim/Region/Framework/Scenes/SceneManager.cs b/OpenSim/Region/Framework/Scenes/SceneManager.cs
index e3fed49..a412414 100644
--- a/OpenSim/Region/Framework/Scenes/SceneManager.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneManager.cs
@@ -47,6 +47,48 @@ namespace OpenSim.Region.Framework.Scenes
 
         public event RestartSim OnRestartSim;
 
+        /// <summary>
+        /// Fired when either all regions are ready for use or at least one region has become unready for use where
+        /// previously all regions were ready.
+        /// </summary>
+        public event Action<SceneManager> OnRegionsReadyStatusChange;
+
+        /// <summary>
+        /// Are all regions ready for use?
+        /// </summary>
+        public bool AllRegionsReady
+        {
+            get
+            {
+                return m_allRegionsReady;
+            }
+
+            private set
+            {
+                if (m_allRegionsReady != value)
+                {
+                    m_allRegionsReady = value;
+                    Action<SceneManager> handler = OnRegionsReadyStatusChange;
+                    if (handler != null)
+                    {
+                        foreach (Action<SceneManager> d in handler.GetInvocationList())
+                        {
+                            try
+                            {
+                                d(this);
+                            }
+                            catch (Exception e)
+                            {
+                                m_log.ErrorFormat("[SCENE MANAGER]: Delegate for OnRegionsReadyStatusChange failed - continuing {0} - {1}",
+                                    e.Message, e.StackTrace);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        private bool m_allRegionsReady;
+
         private static SceneManager m_instance = null;
         public static SceneManager Instance
         { 
@@ -128,9 +170,11 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void Add(Scene scene)
         {
-            scene.OnRestart += HandleRestart;
+            lock (m_localScenes)
+                m_localScenes.Add(scene.RegionInfo.RegionID, scene.RegionInfo.RegionName, scene);
 
-            m_localScenes.Add(scene.RegionInfo.RegionID, scene.RegionInfo.RegionName, scene);
+            scene.OnRestart += HandleRestart;
+            scene.EventManager.OnRegionReadyStatusChange += HandleRegionReadyStatusChange;
         }
 
         public void HandleRestart(RegionInfo rdata)
@@ -138,12 +182,19 @@ namespace OpenSim.Region.Framework.Scenes
             m_log.Error("[SCENEMANAGER]: Got Restart message for region:" + rdata.RegionName + " Sending up to main");
             int RegionSceneElement = -1;
 
-            m_localScenes.Remove(rdata.RegionID);
+            lock (m_localScenes)
+                m_localScenes.Remove(rdata.RegionID);
 
             // Send signal to main that we're restarting this sim.
             OnRestartSim(rdata);
         }
 
+        private void HandleRegionReadyStatusChange(IScene scene)
+        {
+            lock (m_localScenes)
+                AllRegionsReady = m_localScenes.TrueForAll(s => s.Ready);
+        }
+
         public void SendSimOnlineNotification(ulong regionHandle)
         {
             RegionInfo Result = null;
@@ -483,7 +534,8 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void CloseScene(Scene scene)
         {
-            m_localScenes.Remove(scene.RegionInfo.RegionID);
+            lock (m_localScenes)
+                m_localScenes.Remove(scene.RegionInfo.RegionID);
 
             scene.Close();
         }
diff --git a/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs b/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
index d6ff5a2..20919a1 100644
--- a/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
+++ b/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
@@ -30,7 +30,7 @@ using System.Collections.Generic;
 using System.Timers;
 using OpenMetaverse.Packets;
 using OpenSim.Framework;
-using OpenSim.Framework.Statistics;
+using OpenSim.Framework.Monitoring;
 using OpenSim.Region.Framework.Interfaces;
 
 namespace OpenSim.Region.Framework.Scenes