From 2864c45678a6e2557b6e2fda294d06cc8bfcec10 Mon Sep 17 00:00:00 2001
From: Melanie Thielker
Date: Sun, 12 Apr 2009 12:03:07 +0000
Subject: Actually remove the script if it tries to remove itself. Fixes Mantis
 #2929

---
 .../ScriptEngine/DotNetEngine/EventQueueThreadClass.cs     | 10 ++++++++++
 .../ScriptEngine/Shared/Api/Implementation/LSL_Api.cs      |  5 ++++-
 OpenSim/Region/ScriptEngine/Shared/Helpers.cs              | 14 ++++++++++++++
 .../Region/ScriptEngine/Shared/Instance/ScriptInstance.cs  | 14 ++++++++++----
 4 files changed, 38 insertions(+), 5 deletions(-)

(limited to 'OpenSim')

diff --git a/OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueThreadClass.cs b/OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueThreadClass.cs
index 5451df2..425d349 100644
--- a/OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueThreadClass.cs
+++ b/OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueThreadClass.cs
@@ -168,6 +168,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
 
         private ScriptEngine lastScriptEngine;
         private uint lastLocalID;
+        private UUID lastItemID;
 
         // Queue processing thread loop
         private void EventQueueThreadLoop()
@@ -201,6 +202,14 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
                             lastScriptEngine.World.DeleteSceneObject(
                                 part.ParentGroup, false);
                     }
+                    catch (ScriptDeleteException) // Must delete item
+                    {
+                        SceneObjectPart part =
+                            lastScriptEngine.World.GetSceneObjectPart(
+                                lastLocalID);
+                        if (part != null && part.ParentGroup != null)
+                            part.Inventory.RemoveInventoryItem(lastItemID);
+                    }
                     catch (Exception e)
                     {
                         m_log.ErrorFormat("[{0}]: Exception {1} thrown", ScriptEngineName, e.GetType().ToString());
@@ -284,6 +293,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
                                     QIS.localID))
                             {
                                 lastLocalID = QIS.localID;
+                                lastItemID = QIS.itemID;
                                 LastExecutionStarted = DateTime.Now.Ticks;
                                 KillCurrentScript = false;
                                 InExecution = true;
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index f4e7990..0964821 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -3577,7 +3577,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 {
                     if (item.Name == name)
                     {
-                        m_host.Inventory.RemoveInventoryItem(item.ItemID);
+                        if (item.ItemID == m_itemID)
+                            throw new ScriptDeleteException();
+                        else
+                            m_host.Inventory.RemoveInventoryItem(item.ItemID);
                         return;
                     }
                 }
diff --git a/OpenSim/Region/ScriptEngine/Shared/Helpers.cs b/OpenSim/Region/ScriptEngine/Shared/Helpers.cs
index 4236c2b..df9c13a 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Helpers.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Helpers.cs
@@ -66,6 +66,20 @@ namespace OpenSim.Region.ScriptEngine.Shared
         }
     }
 
+    [Serializable]
+    public class ScriptDeleteException : Exception
+    {
+        public ScriptDeleteException()
+        {
+        }
+
+        protected ScriptDeleteException(
+                SerializationInfo info, 
+                StreamingContext context)
+        {
+        }
+    }
+
     public class DetectParams
     {
         public DetectParams()
diff --git a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
index 66691b7..1c865e8 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
@@ -707,11 +707,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                         }
                         catch (Exception e)
                         {
-                            m_log.DebugFormat("[Script] Exception: {0}", e.Message);
+                            // m_log.DebugFormat("[SCRIPT] Exception: {0}", e.Message);
                             m_InEvent = false;
                             m_CurrentEvent = String.Empty;
 
-                            if ((!(e is TargetInvocationException) || !(e.InnerException is SelfDeleteException)) && (!(e is ThreadAbortException)))
+                            if ((!(e is TargetInvocationException) || (!(e.InnerException is SelfDeleteException) && !(e.InnerException is ScriptDeleteException))) && !(e is ThreadAbortException))
                             {
                                 try
                                 {
@@ -727,10 +727,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                                 }
                                 catch (Exception e2) // LEGIT: User Scripting
                                 {
-                                    m_log.Error("[Script]: "+
+                                    m_log.Error("[SCRIPT]: "+
                                                 "Error displaying error in-world: " +
                                                 e2.ToString());
-                                    m_log.Error("[Script]: " +
+                                    m_log.Error("[SCRIPT]: " +
                                                 "Errormessage: Error compiling script:\r\n" +
                                                 e.ToString());
                                 }
@@ -741,6 +741,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                                 if (part != null && part.ParentGroup != null)
                                     m_Engine.World.DeleteSceneObject(part.ParentGroup, false);
                             }
+                            else if ((e is TargetInvocationException) && (e.InnerException is ScriptDeleteException))
+                            {
+                                m_InSelfDelete = true;
+                                if (part != null && part.ParentGroup != null)
+                                    part.Inventory.RemoveInventoryItem(m_ItemID);
+                            }
                         }
                     }
                 }
-- 
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