From 2e78e89c36e661f72773e54f97bec3f04af67b79 Mon Sep 17 00:00:00 2001
From: Mic Bowman
Date: Mon, 20 Jan 2014 11:33:49 -0800
Subject: Clean up orphaned json stores. This can happen when an object is
removed, when a script is removed, or when a script is reset. Also added a
stats command to track the number of json stores used by a region. Will
probably add some more commands later.
---
.../Scripting/JsonStore/JsonStoreCommands.cs | 195 +++++++++++++++++++++
.../Scripting/JsonStore/JsonStoreModule.cs | 41 ++++-
.../Scripting/JsonStore/JsonStoreScriptModule.cs | 41 ++++-
3 files changed, 274 insertions(+), 3 deletions(-)
create mode 100644 OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreCommands.cs
(limited to 'OpenSim/Region/OptionalModules')
diff --git a/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreCommands.cs b/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreCommands.cs
new file mode 100644
index 0000000..d4b19dd
--- /dev/null
+++ b/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreCommands.cs
@@ -0,0 +1,195 @@
+/*
+ * Copyright (c) Contributors
+ * 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 OpenSim 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 Mono.Addins;
+
+using System;
+using System.Reflection;
+using System.Threading;
+using System.Text;
+using System.Net;
+using System.Net.Sockets;
+using log4net;
+using Nini.Config;
+using OpenMetaverse;
+using OpenMetaverse.StructuredData;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+
+namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
+{
+ [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "JsonStoreCommandsModule")]
+
+ public class JsonStoreCommandsModule : INonSharedRegionModule
+ {
+ private static readonly ILog m_log =
+ LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+ private IConfig m_config = null;
+ private bool m_enabled = false;
+
+ private Scene m_scene = null;
+ //private IJsonStoreModule m_store;
+ private JsonStoreModule m_store;
+
+#region Region Module interface
+
+ // -----------------------------------------------------------------
+ ///
+ /// Name of this shared module is it's class name
+ ///
+ // -----------------------------------------------------------------
+ public string Name
+ {
+ get { return this.GetType().Name; }
+ }
+
+ // -----------------------------------------------------------------
+ ///
+ /// Initialise this shared module
+ ///
+ /// this region is getting initialised
+ /// nini config, we are not using this
+ // -----------------------------------------------------------------
+ public void Initialise(IConfigSource config)
+ {
+ try
+ {
+ if ((m_config = config.Configs["JsonStore"]) == null)
+ {
+ // There is no configuration, the module is disabled
+ // m_log.InfoFormat("[JsonStore] no configuration info");
+ return;
+ }
+
+ m_enabled = m_config.GetBoolean("Enabled", m_enabled);
+ }
+ catch (Exception e)
+ {
+ m_log.Error("[JsonStore]: initialization error: {0}", e);
+ return;
+ }
+
+ if (m_enabled)
+ m_log.DebugFormat("[JsonStore]: module is enabled");
+ }
+
+ // -----------------------------------------------------------------
+ ///
+ /// everything is loaded, perform post load configuration
+ ///
+ // -----------------------------------------------------------------
+ public void PostInitialise()
+ {
+ }
+
+ // -----------------------------------------------------------------
+ ///
+ /// Nothing to do on close
+ ///
+ // -----------------------------------------------------------------
+ public void Close()
+ {
+ }
+
+ // -----------------------------------------------------------------
+ ///
+ ///
+ // -----------------------------------------------------------------
+ public void AddRegion(Scene scene)
+ {
+ if (m_enabled)
+ {
+ m_scene = scene;
+
+ }
+ }
+
+ // -----------------------------------------------------------------
+ ///
+ ///
+ // -----------------------------------------------------------------
+ public void RemoveRegion(Scene scene)
+ {
+ // need to remove all references to the scene in the subscription
+ // list to enable full garbage collection of the scene object
+ }
+
+ // -----------------------------------------------------------------
+ ///
+ /// Called when all modules have been added for a region. This is
+ /// where we hook up events
+ ///
+ // -----------------------------------------------------------------
+ public void RegionLoaded(Scene scene)
+ {
+ if (m_enabled)
+ {
+ m_scene = scene;
+
+ m_store = (JsonStoreModule) m_scene.RequestModuleInterface();
+ if (m_store == null)
+ {
+ m_log.ErrorFormat("[JsonStoreCommands]: JsonModule interface not defined");
+ m_enabled = false;
+ return;
+ }
+
+ scene.AddCommand("JsonStore", this, "jsonstore stats", "jsonstore stats",
+ "Display statistics about the state of the JsonStore module", "",
+ CmdStats);
+ }
+ }
+
+ /// -----------------------------------------------------------------
+ ///
+ ///
+ // -----------------------------------------------------------------
+ public Type ReplaceableInterface
+ {
+ get { return null; }
+ }
+
+#endregion
+
+#region Commands
+
+ private void CmdStats(string module, string[] cmd)
+ {
+ if (MainConsole.Instance.ConsoleScene != m_scene && MainConsole.Instance.ConsoleScene != null)
+ return;
+
+ JsonStoreStats stats = m_store.GetStoreStats();
+ MainConsole.Instance.OutputFormat("{0}\t{1}",m_scene.RegionInfo.RegionName,stats.StoreCount);
+ }
+
+#endregion
+
+ }
+}
diff --git a/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreModule.cs b/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreModule.cs
index 5fbfcc5..b502a55 100644
--- a/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreModule.cs
+++ b/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreModule.cs
@@ -42,7 +42,6 @@ using OpenSim.Region.Framework.Scenes;
using System.Collections.Generic;
using System.Text.RegularExpressions;
-
namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
{
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "JsonStoreModule")]
@@ -60,6 +59,7 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
private Scene m_scene = null;
private Dictionary m_JsonValueStore;
+
private UUID m_sharedStore;
#region Region Module interface
@@ -140,6 +140,8 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
m_sharedStore = UUID.Zero;
m_JsonValueStore = new Dictionary();
m_JsonValueStore.Add(m_sharedStore,new JsonStore(""));
+
+ scene.EventManager.OnObjectBeingRemovedFromScene += EventManagerOnObjectBeingRemovedFromScene;
}
}
@@ -149,6 +151,8 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
// -----------------------------------------------------------------
public void RemoveRegion(Scene scene)
{
+ scene.EventManager.OnObjectBeingRemovedFromScene -= EventManagerOnObjectBeingRemovedFromScene;
+
// need to remove all references to the scene in the subscription
// list to enable full garbage collection of the scene object
}
@@ -161,7 +165,9 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
// -----------------------------------------------------------------
public void RegionLoaded(Scene scene)
{
- if (m_enabled) {}
+ if (m_enabled)
+ {
+ }
}
/// -----------------------------------------------------------------
@@ -175,8 +181,39 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
#endregion
+#region SceneEvents
+ // -----------------------------------------------------------------
+ ///
+ ///
+ ///
+ // -----------------------------------------------------------------
+ public void EventManagerOnObjectBeingRemovedFromScene(SceneObjectGroup obj)
+ {
+ obj.ForEachPart(delegate(SceneObjectPart sop) { DestroyStore(sop.UUID); } );
+ }
+
+#endregion
+
#region ScriptInvocationInteface
+
+ // -----------------------------------------------------------------
+ ///
+ ///
+ ///
+ // -----------------------------------------------------------------
+ public JsonStoreStats GetStoreStats()
+ {
+ JsonStoreStats stats;
+
+ lock (m_JsonValueStore)
+ {
+ stats.StoreCount = m_JsonValueStore.Count;
+ }
+
+ return stats;
+ }
+
// -----------------------------------------------------------------
///
///
diff --git a/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreScriptModule.cs b/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreScriptModule.cs
index 1bb5aee..9fbfb66 100644
--- a/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreScriptModule.cs
+++ b/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreScriptModule.cs
@@ -59,7 +59,9 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
private IScriptModuleComms m_comms;
private IJsonStoreModule m_store;
-
+
+ private Dictionary> m_scriptStores = new Dictionary>();
+
#region Region Module interface
// -----------------------------------------------------------------
@@ -126,6 +128,8 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
// -----------------------------------------------------------------
public void AddRegion(Scene scene)
{
+ scene.EventManager.OnScriptReset += HandleScriptReset;
+ scene.EventManager.OnRemoveScript += HandleScriptReset;
}
// -----------------------------------------------------------------
@@ -134,12 +138,34 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
// -----------------------------------------------------------------
public void RemoveRegion(Scene scene)
{
+ scene.EventManager.OnScriptReset -= HandleScriptReset;
+ scene.EventManager.OnRemoveScript -= HandleScriptReset;
+
// need to remove all references to the scene in the subscription
// list to enable full garbage collection of the scene object
}
// -----------------------------------------------------------------
///
+ ///
+ // -----------------------------------------------------------------
+ private void HandleScriptReset(uint localID, UUID itemID)
+ {
+ HashSet stores;
+
+ lock (m_scriptStores)
+ {
+ if (! m_scriptStores.TryGetValue(itemID, out stores))
+ return;
+ m_scriptStores.Remove(itemID);
+ }
+
+ foreach (UUID id in stores)
+ m_store.DestroyStore(id);
+ }
+
+ // -----------------------------------------------------------------
+ ///
/// Called when all modules have been added for a region. This is
/// where we hook up events
///
@@ -250,6 +276,13 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
if (! m_store.CreateStore(value, ref uuid))
GenerateRuntimeError("Failed to create Json store");
+ lock (m_scriptStores)
+ {
+ if (! m_scriptStores.ContainsKey(scriptID))
+ m_scriptStores[scriptID] = new HashSet();
+
+ m_scriptStores[scriptID].Add(uuid);
+ }
return uuid;
}
@@ -261,6 +294,12 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
[ScriptInvocation]
public int JsonDestroyStore(UUID hostID, UUID scriptID, UUID storeID)
{
+ lock(m_scriptStores)
+ {
+ if (m_scriptStores.ContainsKey(scriptID))
+ m_scriptStores[scriptID].Remove(storeID);
+ }
+
return m_store.DestroyStore(storeID) ? 1 : 0;
}
--
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