9 files changed, 151 insertions, 32 deletions

diff --git a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
index efab6ed..64ee7e4 100644
--- a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
@@ -339,7 +339,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
             ShowAttachInUserInventory(sp, attachmentPt, newAttachmentItemID, group);
         }
 
-        public ISceneEntity RezSingleAttachmentFromInventory(IScenePresence sp, UUID itemID, uint AttachmentPt)
+        public SceneObjectGroup RezSingleAttachmentFromInventory(IScenePresence sp, UUID itemID, uint AttachmentPt)
         {
             if (!Enabled)
                 return null;
@@ -527,6 +527,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
         /// </remarks>
         /// <param name="sp"></param>
         /// <param name="grp"></param>
+        /// <param name="saveAllScripted"></param>
         private void UpdateKnownItem(IScenePresence sp, SceneObjectGroup grp, bool saveAllScripted)
         {
             // Saving attachments for NPCs messes them up for the real owner!
@@ -720,18 +721,23 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
                         null, assetID, Vector3.Zero, Vector3.Zero, UUID.Zero, (byte)1, true,
                         false, false, sp.UUID, true);
 
-                //                m_log.DebugFormat(
-                //                    "[ATTACHMENTS MODULE]: Retrieved single object {0} for attachment to {1} on point {2}",
-                //                    objatt.Name, remoteClient.Name, AttachmentPt);
-
                 if (objatt != null)
                 {
+//                    m_log.DebugFormat(
+//                        "[ATTACHMENTS MODULE]: Rezzed single object {0} for attachment to {1} on point {2} in {3}",
+//                        objatt.Name, sp.Name, attachmentPt, m_scene.Name);
+
                     // HasGroupChanged is being set from within RezObject.  Ideally it would be set by the caller.
                     objatt.HasGroupChanged = false;
                     bool tainted = false;
                     if (attachmentPt != 0 && attachmentPt != objatt.AttachmentPoint)
                         tainted = true;
 
+                    // FIXME: Detect whether it's really likely for AttachObject to throw an exception in the normal
+                    // course of events.  If not, then it's probably not worth trying to recover the situation
+                    // since this is more likely to trigger further exceptions and confuse later debugging.  If
+                    // exceptions can be thrown in expected error conditions (not NREs) then make this consistent
+                    // since other normal error conditions will simply return false instead.
                     // This will throw if the attachment fails
                     try
                     {
diff --git a/OpenSim/Region/CoreModules/Avatar/Attachments/Tests/AttachmentsModuleTests.cs b/OpenSim/Region/CoreModules/Avatar/Attachments/Tests/AttachmentsModuleTests.cs
index 416aa6f..81e889d 100644
--- a/OpenSim/Region/CoreModules/Avatar/Attachments/Tests/AttachmentsModuleTests.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Attachments/Tests/AttachmentsModuleTests.cs
@@ -31,6 +31,7 @@ using System.Reflection;
 using System.Text;
 using System.Threading;
 using System.Timers;
+using System.Xml;
 using Timer=System.Timers.Timer;
 using Nini.Config;
 using NUnit.Framework;
@@ -41,10 +42,12 @@ using OpenSim.Region.CoreModules.Avatar.Attachments;
 using OpenSim.Region.CoreModules.Framework;
 using OpenSim.Region.CoreModules.Framework.EntityTransfer;
 using OpenSim.Region.CoreModules.Framework.InventoryAccess;
-using OpenSim.Region.CoreModules.World.Serialiser;
+using OpenSim.Region.CoreModules.Scripting.WorldComm;
 using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
+using OpenSim.Region.CoreModules.World.Serialiser;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.ScriptEngine.XEngine;
 using OpenSim.Services.Interfaces;
 using OpenSim.Tests.Common;
 using OpenSim.Tests.Common.Mock;
@@ -57,6 +60,9 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
     [TestFixture]
     public class AttachmentsModuleTests : OpenSimTestCase
     {
+        private AutoResetEvent m_chatEvent = new AutoResetEvent(false);
+        private OSChatMessage m_osChatMessageReceived;
+
         [TestFixtureSetUp]
         public void FixtureInit()
         {
@@ -72,16 +78,73 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
             Util.FireAndForgetMethod = Util.DefaultFireAndForgetMethod;
         }
 
-        private Scene CreateDefaultTestScene()
+        private void OnChatFromWorld(object sender, OSChatMessage oscm)
+        {
+//            Console.WriteLine("Got chat [{0}]", oscm.Message);
+
+            m_osChatMessageReceived = oscm;
+            m_chatEvent.Set();
+        }
+
+        private Scene CreateTestScene()
+        {
+            IConfigSource config = new IniConfigSource();
+            List<object> modules = new List<object>();
+
+            AddCommonConfig(config, modules);
+
+            Scene scene
+                = new SceneHelpers().SetupScene(
+                    "attachments-test-scene", TestHelpers.ParseTail(999), 1000, 1000, config);
+            SceneHelpers.SetupSceneModules(scene, config, modules.ToArray());
+
+            return scene;
+        }
+
+        private Scene CreateScriptingEnabledTestScene()
         {
             IConfigSource config = new IniConfigSource();
+            List<object> modules = new List<object>();
+
+            AddCommonConfig(config, modules);
+            AddScriptingConfig(config, modules);
+
+            Scene scene
+                = new SceneHelpers().SetupScene(
+                    "attachments-test-scene", TestHelpers.ParseTail(999), 1000, 1000, config);
+            SceneHelpers.SetupSceneModules(scene, config, modules.ToArray());
+
+            scene.StartScripts();
+
+            return scene;
+        }
+
+        private void AddCommonConfig(IConfigSource config, List<object> modules)
+        {
             config.AddConfig("Modules");
             config.Configs["Modules"].Set("InventoryAccessModule", "BasicInventoryAccessModule");
 
-            Scene scene = new SceneHelpers().SetupScene();
-            SceneHelpers.SetupSceneModules(scene, config, new AttachmentsModule(), new BasicInventoryAccessModule());
+            modules.Add(new AttachmentsModule());
+            modules.Add(new BasicInventoryAccessModule());
+        }
 
-            return scene;
+        private void AddScriptingConfig(IConfigSource config, List<object> modules)
+        {
+            IConfig startupConfig = config.AddConfig("Startup");
+            startupConfig.Set("DefaultScriptEngine", "XEngine");
+
+            IConfig xEngineConfig = config.AddConfig("XEngine");
+            xEngineConfig.Set("Enabled", "true");
+
+            // These tests will not run with AppDomainLoading = true, at least on mono.  For unknown reasons, the call
+            // to AssemblyResolver.OnAssemblyResolve fails.
+            xEngineConfig.Set("AppDomainLoading", "false");
+
+            modules.Add(new XEngine());
+
+            // Necessary to stop serialization complaining
+            // FIXME: Stop this being necessary if at all possible
+//            modules.Add(new WorldCommModule());
         }
 
         /// <summary>
@@ -116,7 +179,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
             TestHelpers.InMethod();
 //            TestHelpers.EnableLogging();
 
-            Scene scene = CreateDefaultTestScene();
+            Scene scene = CreateTestScene();
             UserAccount ua1 = UserAccountHelpers.CreateUserWithInventory(scene, 0x1);
             ScenePresence sp = SceneHelpers.AddScenePresence(scene, ua1);
 
@@ -163,7 +226,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
             TestHelpers.InMethod();
 //            TestHelpers.EnableLogging();
 
-            Scene scene = CreateDefaultTestScene();
+            Scene scene = CreateTestScene();
             UserAccount ua1 = UserAccountHelpers.CreateUserWithInventory(scene, 0x1);
             ScenePresence sp = SceneHelpers.AddScenePresence(scene, ua1);
 
@@ -190,7 +253,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
             TestHelpers.InMethod();
 //            log4net.Config.XmlConfigurator.Configure();
 
-            Scene scene = CreateDefaultTestScene();
+            Scene scene = CreateTestScene();
             UserAccount ua1 = UserAccountHelpers.CreateUserWithInventory(scene, 0x1);
             ScenePresence sp = SceneHelpers.AddScenePresence(scene, ua1.PrincipalID);
 
@@ -225,7 +288,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
         {
             TestHelpers.InMethod();
 
-            Scene scene = CreateDefaultTestScene();
+            Scene scene = CreateTestScene();
             UserAccount ua1 = UserAccountHelpers.CreateUserWithInventory(scene, 0x1);
             ScenePresence sp = SceneHelpers.AddScenePresence(scene, ua1.PrincipalID);
 
@@ -248,7 +311,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
             TestHelpers.InMethod();
 //            log4net.Config.XmlConfigurator.Configure();
 
-            Scene scene = CreateDefaultTestScene();
+            Scene scene = CreateTestScene();
             UserAccount ua1 = UserAccountHelpers.CreateUserWithInventory(scene, 0x1);
             ScenePresence sp = SceneHelpers.AddScenePresence(scene, ua1.PrincipalID);
 
@@ -278,9 +341,8 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
         public void TestDetachAttachmentToInventory()
         {
             TestHelpers.InMethod();
-//            log4net.Config.XmlConfigurator.Configure();
 
-            Scene scene = CreateDefaultTestScene();
+            Scene scene = CreateTestScene();
             UserAccount ua1 = UserAccountHelpers.CreateUserWithInventory(scene, 0x1);
             ScenePresence sp = SceneHelpers.AddScenePresence(scene, ua1.PrincipalID);
 
@@ -303,6 +365,45 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
         }
 
         /// <summary>
+        /// Test specific conditions associated with detaching a scripted attachment from inventory.
+        /// </summary>
+        [Test]
+        public void TestDetachScriptedAttachmentToInventory()
+        {
+            TestHelpers.InMethod();
+            TestHelpers.EnableLogging();
+
+            Scene scene = CreateScriptingEnabledTestScene();
+            UserAccount ua1 = UserAccountHelpers.CreateUserWithInventory(scene, 0x1);
+            ScenePresence sp = SceneHelpers.AddScenePresence(scene, ua1);
+
+            SceneObjectGroup so = SceneHelpers.CreateSceneObject(1, sp.UUID, "att-name", 0x10);
+            TaskInventoryHelpers.AddScript(scene, so.RootPart);
+            InventoryItemBase userItem = UserInventoryHelpers.AddInventoryItem(scene, so, 0x100, 0x1000);
+
+            // FIXME: Right now, we have to do a tricksy chat listen to make sure we know when the script is running.
+            // In the future, we need to be able to do this programatically more predicably.
+            scene.EventManager.OnChatFromWorld += OnChatFromWorld;
+
+            SceneObjectGroup soRezzed
+                = scene.AttachmentsModule.RezSingleAttachmentFromInventory(sp, userItem.ID, (uint)AttachmentPoint.Chest);
+
+            // Wait for chat to signal rezzed script has been started.
+            m_chatEvent.WaitOne(60000);
+
+            scene.AttachmentsModule.DetachSingleAttachmentToInv(sp, soRezzed);
+
+            InventoryItemBase userItemUpdated = scene.InventoryService.GetItem(userItem);
+            AssetBase asset = scene.AssetService.Get(userItemUpdated.AssetID.ToString());
+
+            XmlDocument soXml = new XmlDocument();
+            soXml.LoadXml(Encoding.UTF8.GetString(asset.Data));
+
+            XmlNodeList scriptStateNodes = soXml.GetElementsByTagName("ScriptState");
+            Assert.That(scriptStateNodes.Count, Is.EqualTo(1));
+        }
+
+        /// <summary>
         /// Test that attachments don't hang about in the scene when the agent is closed
         /// </summary>
         [Test]
@@ -311,7 +412,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
             TestHelpers.InMethod();
 //            log4net.Config.XmlConfigurator.Configure();
 
-            Scene scene = CreateDefaultTestScene();
+            Scene scene = CreateTestScene();
             UserAccount ua1 = UserAccountHelpers.CreateUserWithInventory(scene, 0x1);
             InventoryItemBase attItem = CreateAttachmentItem(scene, ua1.PrincipalID, "att", 0x10, 0x20);
 
@@ -334,7 +435,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
             TestHelpers.InMethod();
 //            log4net.Config.XmlConfigurator.Configure();
 
-            Scene scene = CreateDefaultTestScene();
+            Scene scene = CreateTestScene();
             UserAccount ua1 = UserAccountHelpers.CreateUserWithInventory(scene, 0x1);
             InventoryItemBase attItem = CreateAttachmentItem(scene, ua1.PrincipalID, "att", 0x10, 0x20);
 
@@ -370,7 +471,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
         {
             TestHelpers.InMethod();
 
-            Scene scene = CreateDefaultTestScene();
+            Scene scene = CreateTestScene();
             UserAccount ua1 = UserAccountHelpers.CreateUserWithInventory(scene, 0x1);
             InventoryItemBase attItem = CreateAttachmentItem(scene, ua1.PrincipalID, "att", 0x10, 0x20);
 
diff --git a/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs b/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
index ba35a41..351e603 100644
--- a/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
@@ -92,7 +92,7 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <param name="itemID"></param>
         /// <param name="AttachmentPt"></param>
         /// <returns>The scene object that was attached.  Null if the scene object could not be found</returns>
-        ISceneEntity RezSingleAttachmentFromInventory(IScenePresence sp, UUID itemID, uint AttachmentPt);
+        SceneObjectGroup RezSingleAttachmentFromInventory(IScenePresence sp, UUID itemID, uint AttachmentPt);
 
         /// <summary>
         /// Rez multiple attachments from a user's inventory
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
index cf2ed1a..821fd81 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
@@ -1295,6 +1295,10 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     if (e != null)
                     {
+//                        m_log.DebugFormat(
+//                            "[PRIM INVENTORY]: Getting script state from engine {0} for {1} in part {2} in group {3} in {4}",
+//                            e.Name, item.Name, m_part.Name, m_part.ParentGroup.Name, m_part.ParentGroup.Scene.Name);
+
                         string n = e.GetXMLState(item.ItemID);
                         if (n != String.Empty)
                         {
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs
index 993d10f..5b22860 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs
@@ -233,17 +233,20 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             m_Timer[engine].UnSetTimerEvents(localID, itemID);
 
             // Remove from: HttpRequest
-            IHttpRequestModule iHttpReq =
-                engine.World.RequestModuleInterface<IHttpRequestModule>();
-            iHttpReq.StopHttpRequest(localID, itemID);
+            IHttpRequestModule iHttpReq = engine.World.RequestModuleInterface<IHttpRequestModule>();
+            if (iHttpReq != null)
+                iHttpReq.StopHttpRequest(localID, itemID);
 
             IWorldComm comms = engine.World.RequestModuleInterface<IWorldComm>();
             if (comms != null)
                 comms.DeleteListener(itemID);
 
             IXMLRPC xmlrpc = engine.World.RequestModuleInterface<IXMLRPC>();
-            xmlrpc.DeleteChannels(itemID);
-            xmlrpc.CancelSRDRequests(itemID);
+            if (xmlrpc != null)
+            {
+                xmlrpc.DeleteChannels(itemID);
+                xmlrpc.CancelSRDRequests(itemID);
+            }
 
             // Remove Sensors
             m_SensorRepeat[engine].UnSetSenseRepeaterEvents(localID, itemID);
@@ -305,7 +308,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         {
             List<Object> data = new List<Object>();
 
-            Object[] listeners=m_Listener[engine].GetSerializationData(itemID);
+            Object[] listeners = m_Listener[engine].GetSerializationData(itemID);
             if (listeners.Length > 0)
             {
                 data.Add("listener");
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/Listener.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/Listener.cs
index 93e0261..efa86fc 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/Listener.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/Listener.cs
@@ -88,13 +88,17 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
 
         public Object[] GetSerializationData(UUID itemID)
         {
-            return m_commsPlugin.GetSerializationData(itemID);
+            if (m_commsPlugin != null)
+                return m_commsPlugin.GetSerializationData(itemID);
+            else
+                return new Object[]{};
         }
 
         public void CreateFromData(uint localID, UUID itemID, UUID hostID,
                 Object[] data)
         {
-            m_commsPlugin.CreateFromData(localID, itemID, hostID, data);
+            if (m_commsPlugin != null)
+                m_commsPlugin.CreateFromData(localID, itemID, hostID, data);
         }
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
index efcae94..e07ae1c 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
@@ -1676,12 +1676,12 @@ namespace OpenSim.Region.ScriptEngine.XEngine
 
         public string GetXMLState(UUID itemID)
         {
-//            m_log.DebugFormat("[XEngine]: Getting XML state for {0}", itemID);
+//            m_log.DebugFormat("[XEngine]: Getting XML state for script instance {0}", itemID);
 
             IScriptInstance instance = GetInstance(itemID);
             if (instance == null)
             {
-//                m_log.DebugFormat("[XEngine]: Found no script for {0}, returning empty string", itemID);
+//                m_log.DebugFormat("[XEngine]: Found no script instance for {0}, returning empty string", itemID);
                 return "";
             }
 
diff --git a/OpenSim/Tests/Common/Helpers/TaskInventoryHelpers.cs b/OpenSim/Tests/Common/Helpers/TaskInventoryHelpers.cs
index c4e29e2..fba03ab 100644
--- a/OpenSim/Tests/Common/Helpers/TaskInventoryHelpers.cs
+++ b/OpenSim/Tests/Common/Helpers/TaskInventoryHelpers.cs
@@ -81,7 +81,7 @@ namespace OpenSim.Tests.Common
         public static TaskInventoryItem AddScript(Scene scene, SceneObjectPart part)
         {
             AssetScriptText ast = new AssetScriptText();
-            ast.Source = "default { state_entry() {} }";
+            ast.Source = "default { state_entry() { llSay(0, \"Hello World\"); } }";
             ast.Encode();
 
             UUID assetUuid = new UUID("00000000-0000-0000-1000-000000000000");
diff --git a/prebuild.xml b/prebuild.xml
index 3419119..ba8cdfb 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -2929,6 +2929,7 @@
       <Reference name="OpenSim.Region.Framework"/>
       <Reference name="OpenSim.Region.CoreModules"/>
       <Reference name="OpenSim.Region.Physics.Manager"/>
+      <Reference name="OpenSim.Region.ScriptEngine.XEngine"/>
       <Reference name="OpenSim.Services.Interfaces"/>
 
       <!-- Unit tests -->