Merge https://github.com/opensim/opensim into mantis5110

Conflicts:
	OpenSim/Region/Framework/Scenes/Scene.cs

1 files changed, 47 insertions, 2 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 3c6bab8..3eb4f3e 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -174,6 +174,7 @@ namespace OpenSim.Region.Framework.Scenes
         private bool m_firstHeartbeat = true;
 
         private object m_deleting_scene_object = new object();
+        private object m_cleaningAttachments = new object();
 
         private UpdatePrioritizationSchemes m_priorityScheme = UpdatePrioritizationSchemes.Time;
         private bool m_reprioritizationEnabled = true;
@@ -3162,6 +3163,7 @@ namespace OpenSim.Region.Framework.Scenes
                 }
 
                 m_eventManager.TriggerOnRemovePresence(agentID);
+
                 ForEachClient(
                     delegate(IClientAPI client)
                     {
@@ -3194,6 +3196,7 @@ namespace OpenSim.Region.Framework.Scenes
                 }
 
                 m_authenticateHandler.RemoveCircuit(avatar.ControllingClient.CircuitCode);
+                CleanDroppedAttachments();
                 //m_log.InfoFormat("[SCENE] Memory pre  GC {0}", System.GC.GetTotalMemory(false));
                 //m_log.InfoFormat("[SCENE] Memory post GC {0}", System.GC.GetTotalMemory(true));
             }
@@ -3408,6 +3411,8 @@ namespace OpenSim.Region.Framework.Scenes
 
             if (vialogin) 
             {
+                CleanDroppedAttachments();
+
                 if (TestBorderCross(agent.startpos, Cardinals.E))
                 {
                     Border crossedBorder = GetCrossedBorder(agent.startpos, Cardinals.E);
@@ -3756,7 +3761,13 @@ namespace OpenSim.Region.Framework.Scenes
 
             // We have to wait until the viewer contacts this region after receiving EAC.
             // That calls AddNewClient, which finally creates the ScenePresence
-            m_log.Debug("ICADU -> pre wait");
+            ILandObject nearestParcel = GetNearestAllowedParcel(cAgentData.AgentID, Constants.RegionSize / 2, Constants.RegionSize / 2);
+            if (nearestParcel == null)
+            {
+                m_log.DebugFormat("[SCENE]: Denying root agent entry to {0}: no allowed parcel", cAgentData.AgentID);
+                return false;
+            }
+
             ScenePresence childAgentUpdate = WaitGetScenePresence(cAgentData.AgentID);
             m_log.Debug("ICADU -> post wait");
             if (childAgentUpdate != null)
@@ -4738,7 +4749,6 @@ namespace OpenSim.Region.Framework.Scenes
             Vector3 nearestRegionEdgePoint = GetNearestRegionEdgePosition(avatar);
             //Debug.WriteLine("They are really in a place they don't belong, sending them to: " + nearestRegionEdgePoint.ToString());
             return nearestRegionEdgePoint;
-            return null;
         }
 
         private Vector3 GetParcelCenterAtGround(ILandObject parcel)
@@ -4987,5 +4997,40 @@ namespace OpenSim.Region.Framework.Scenes
                     throw new Exception(error);
             }
         }
+
+        public void CleanDroppedAttachments()
+        {
+            List<SceneObjectGroup> objectsToDelete =
+                    new List<SceneObjectGroup>();
+
+            lock (m_cleaningAttachments)
+            {
+                ForEachSOG(delegate (SceneObjectGroup grp)
+                        {
+                            if (grp.RootPart.Shape.PCode == 0 && grp.RootPart.Shape.State != 0 && (!objectsToDelete.Contains(grp)))
+                            {
+                                UUID agentID = grp.OwnerID;
+                                if (agentID == UUID.Zero)
+                                {
+                                    objectsToDelete.Add(grp);
+                                    return;
+                                }
+
+                                ScenePresence sp = GetScenePresence(agentID);
+                                if (sp == null)
+                                {
+                                    objectsToDelete.Add(grp);
+                                    return;
+                                }
+                            }
+                        });
+            }
+
+            foreach (SceneObjectGroup grp in objectsToDelete)
+            {
+                m_log.InfoFormat("[SCENE]: Deleting dropped attachment {0} of user {1}", grp.UUID, grp.OwnerID);
+                DeleteSceneObject(grp, true);
+            }
+        }
     }
 }