Merge branch 'melanie'

15 files changed, 614 insertions, 95 deletions

diff --git a/OpenSim/ApplicationPlugins/RemoteController/RemoteAdminPlugin.cs b/OpenSim/ApplicationPlugins/RemoteController/RemoteAdminPlugin.cs
index 597b439..1ee2468 100644
--- a/OpenSim/ApplicationPlugins/RemoteController/RemoteAdminPlugin.cs
+++ b/OpenSim/ApplicationPlugins/RemoteController/RemoteAdminPlugin.cs
@@ -359,6 +359,42 @@ namespace OpenSim.ApplicationPlugins.RemoteController
                     notice = false;
                 }
 
+                if (startupConfig.GetBoolean("SkipDelayOnEmptyRegion", false))
+                {
+                    m_log.Info("[RADMIN]: Counting affected avatars");
+                    int agents = 0;
+
+                    if (restartAll)
+                    {
+                        foreach (Scene s in m_application.SceneManager.Scenes)
+                        {
+                            foreach (ScenePresence sp in s.GetScenePresences())
+                            {
+                                if (!sp.IsChildAgent && !sp.IsNPC)
+                                    agents++;
+                            }
+                        }
+                    }
+                    else
+                    {
+                        foreach (ScenePresence sp in rebootedScene.GetScenePresences())
+                        {
+                            if (!sp.IsChildAgent && !sp.IsNPC)
+                                agents++;
+                        }
+                    }
+
+                    m_log.InfoFormat("[RADMIN]: Avatars in region: {0}", agents);
+
+                    if (agents == 0)
+                    {
+                        m_log.Info("[RADMIN]: No avatars detected, shutting down without delay");
+
+                        times.Clear();
+                        times.Add(0);
+                    }
+                }
+
                 List<Scene> restartList;
 
                 if (restartAll)
@@ -376,10 +412,10 @@ namespace OpenSim.ApplicationPlugins.RemoteController
             }
             catch (Exception e)
             {
-//                m_log.ErrorFormat("[RADMIN]: Restart region: failed: {0} {1}", e.Message, e.StackTrace);
+                m_log.ErrorFormat("[RADMIN]: Restart region: failed: {0} {1}", e.Message, e.StackTrace);
                 responseData["rebooting"] = false;
 
-                throw e;
+                throw;
             }
 
             m_log.Info("[RADMIN]: Restart Region request complete");
diff --git a/OpenSim/Data/MySQL/MySQLFramework.cs b/OpenSim/Data/MySQL/MySQLFramework.cs
index 34791cf..93662db 100644
--- a/OpenSim/Data/MySQL/MySQLFramework.cs
+++ b/OpenSim/Data/MySQL/MySQLFramework.cs
@@ -36,7 +36,7 @@ using MySql.Data.MySqlClient;
 namespace OpenSim.Data.MySQL
 {
     /// <summary>
-    /// A database interface class to a user profile storage system
+    /// Common code for a number of database modules
     /// </summary>
     public class MySqlFramework
     {
@@ -44,14 +44,24 @@ namespace OpenSim.Data.MySQL
                 log4net.LogManager.GetLogger(
                 System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
 
-        protected string m_connectionString;
-        protected object m_dbLock = new object();
+        protected string m_connectionString = String.Empty;
+        protected MySqlTransaction m_trans = null;
 
+        // Constructor using a connection string. Instances constructed
+        // this way will open a new connection for each call.
         protected MySqlFramework(string connectionString)
         {
             m_connectionString = connectionString;
         }
 
+        // Constructor using a connection object. Instances constructed
+        // this way will use the connection object and never create
+        // new connections.
+        protected MySqlFramework(MySqlTransaction trans)
+        {
+            m_trans = trans;
+        }
+
         //////////////////////////////////////////////////////////////
         //
         // All non queries are funneled through one connection
@@ -59,33 +69,48 @@ namespace OpenSim.Data.MySQL
         //
         protected int ExecuteNonQuery(MySqlCommand cmd)
         {
-            lock (m_dbLock)
+            if (m_trans == null)
             {
                 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
                 {
-                    try
-                    {
-                        dbcon.Open();
-                        cmd.Connection = dbcon;
+                    dbcon.Open();
+                    return ExecuteNonQueryWithConnection(cmd, dbcon);
+                }
+            }
+            else
+            {
+                return ExecuteNonQueryWithTransaction(cmd, m_trans);
+            }
+        }
 
-                        try
-                        {
-                            return cmd.ExecuteNonQuery();
-                        }
-                        catch (Exception e)
-                        {
-                            m_log.Error(e.Message, e);
-                            m_log.Error(Environment.StackTrace.ToString());
-                            return 0;
-                        }
-                    }
-                    catch (Exception e)
-                    {
-                        m_log.Error(e.Message, e);
-                        return 0;
-                    }
+        private int ExecuteNonQueryWithTransaction(MySqlCommand cmd, MySqlTransaction trans)
+        {
+            cmd.Transaction = trans;
+            return ExecuteNonQueryWithConnection(cmd, trans.Connection);
+        }
+
+        private int ExecuteNonQueryWithConnection(MySqlCommand cmd, MySqlConnection dbcon)
+        {
+            try
+            {
+                cmd.Connection = dbcon;
+
+                try
+                {
+                    return cmd.ExecuteNonQuery();
                 }
+                catch (Exception e)
+                {
+                    m_log.Error(e.Message, e);
+                    m_log.Error(Environment.StackTrace.ToString());
+                    return 0;
+                }
+            }
+            catch (Exception e)
+            {
+                m_log.Error(e.Message, e);
+                return 0;
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Data/MySQL/MySQLGenericTableHandler.cs b/OpenSim/Data/MySQL/MySQLGenericTableHandler.cs
index 6aae9c6..bd8bbd5 100644
--- a/OpenSim/Data/MySQL/MySQLGenericTableHandler.cs
+++ b/OpenSim/Data/MySQL/MySQLGenericTableHandler.cs
@@ -53,14 +53,27 @@ namespace OpenSim.Data.MySQL
             get { return GetType().Assembly; }
         }
 
+        public MySQLGenericTableHandler(MySqlTransaction trans,
+                string realm, string storeName) : base(trans)
+        {
+            m_Realm = realm;
+
+            CommonConstruct(storeName);
+        }
+
         public MySQLGenericTableHandler(string connectionString,
                 string realm, string storeName) : base(connectionString)
         {
             m_Realm = realm;
-            m_connectionString = connectionString;
 
+            CommonConstruct(storeName);
+        }
+
+        protected void CommonConstruct(string storeName)
+        {
             if (storeName != String.Empty)
             {
+                // We always use a new connection for any Migrations
                 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
                 {
                     dbcon.Open();
@@ -111,6 +124,11 @@ namespace OpenSim.Data.MySQL
 
         public virtual T[] Get(string[] fields, string[] keys)
         {
+            return Get(fields, keys, String.Empty);
+        }
+
+        public virtual T[] Get(string[] fields, string[] keys, string options)
+        {
             if (fields.Length != keys.Length)
                 return new T[0];
 
@@ -126,8 +144,8 @@ namespace OpenSim.Data.MySQL
 
                 string where = String.Join(" and ", terms.ToArray());
 
-                string query = String.Format("select * from {0} where {1}",
-                                             m_Realm, where);
+                string query = String.Format("select * from {0} where {1} {2}",
+                                             m_Realm, where, options);
 
                 cmd.CommandText = query;
 
@@ -137,72 +155,92 @@ namespace OpenSim.Data.MySQL
 
         protected T[] DoQuery(MySqlCommand cmd)
         {
+            if (m_trans == null)
+            {
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+                {
+                    dbcon.Open();
+
+                    return DoQueryWithConnection(cmd, dbcon);
+                }
+            }
+            else
+            {
+                return DoQueryWithTransaction(cmd, m_trans);
+            }
+        }
+
+        protected T[] DoQueryWithTransaction(MySqlCommand cmd, MySqlTransaction trans)
+        {
+            cmd.Transaction = trans;
+
+            return DoQueryWithConnection(cmd, trans.Connection);
+        }
+
+        protected T[] DoQueryWithConnection(MySqlCommand cmd, MySqlConnection dbcon)
+        {
             List<T> result = new List<T>();
 
-            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            cmd.Connection = dbcon;
+
+            using (IDataReader reader = cmd.ExecuteReader())
             {
-                dbcon.Open();
-                cmd.Connection = dbcon;
+                if (reader == null)
+                    return new T[0];
 
-                using (IDataReader reader = cmd.ExecuteReader())
-                {
-                    if (reader == null)
-                        return new T[0];
+                CheckColumnNames(reader);
 
-                    CheckColumnNames(reader);
+                while (reader.Read())
+                {
+                    T row = new T();
 
-                    while (reader.Read())
+                    foreach (string name in m_Fields.Keys)
                     {
-                        T row = new T();
-
-                        foreach (string name in m_Fields.Keys)
+                        if (reader[name] is DBNull)
                         {
-                            if (reader[name] is DBNull)
-                            {
-                                continue;
-                            }
-                            if (m_Fields[name].FieldType == typeof(bool))
-                            {
-                                int v = Convert.ToInt32(reader[name]);
-                                m_Fields[name].SetValue(row, v != 0 ? true : false);
-                            }
-                            else if (m_Fields[name].FieldType == typeof(UUID))
-                            {
-                                m_Fields[name].SetValue(row, DBGuid.FromDB(reader[name]));
-                            }
-                            else if (m_Fields[name].FieldType == typeof(int))
-                            {
-                                int v = Convert.ToInt32(reader[name]);
-                                m_Fields[name].SetValue(row, v);
-                            }
-                            else if (m_Fields[name].FieldType == typeof(uint))
-                            {
-                                uint v = Convert.ToUInt32(reader[name]);
-                                m_Fields[name].SetValue(row, v);
-                            }
-                            else
-                            {
-                                m_Fields[name].SetValue(row, reader[name]);
-                            }
+                            continue;
                         }
-
-                        if (m_DataField != null)
+                        if (m_Fields[name].FieldType == typeof(bool))
+                        {
+                            int v = Convert.ToInt32(reader[name]);
+                            m_Fields[name].SetValue(row, v != 0 ? true : false);
+                        }
+                        else if (m_Fields[name].FieldType == typeof(UUID))
+                        {
+                            m_Fields[name].SetValue(row, DBGuid.FromDB(reader[name]));
+                        }
+                        else if (m_Fields[name].FieldType == typeof(int))
+                        {
+                            int v = Convert.ToInt32(reader[name]);
+                            m_Fields[name].SetValue(row, v);
+                        }
+                        else if (m_Fields[name].FieldType == typeof(uint))
+                        {
+                            uint v = Convert.ToUInt32(reader[name]);
+                            m_Fields[name].SetValue(row, v);
+                        }
+                        else
                         {
-                            Dictionary<string, string> data =
-                                new Dictionary<string, string>();
+                            m_Fields[name].SetValue(row, reader[name]);
+                        }
+                    }
 
-                            foreach (string col in m_ColumnNames)
-                            {
-                                data[col] = reader[col].ToString();
-                                if (data[col] == null)
-                                    data[col] = String.Empty;
-                            }
+                    if (m_DataField != null)
+                    {
+                        Dictionary<string, string> data =
+                            new Dictionary<string, string>();
 
-                            m_DataField.SetValue(row, data);
+                        foreach (string col in m_ColumnNames)
+                        {
+                            data[col] = reader[col].ToString();
+                            if (data[col] == null)
+                                data[col] = String.Empty;
                         }
 
-                        result.Add(row);
+                        m_DataField.SetValue(row, data);
                     }
+
+                    result.Add(row);
                 }
             }
 
@@ -357,14 +395,23 @@ namespace OpenSim.Data.MySQL
 
         public object DoQueryScalar(MySqlCommand cmd)
         {
-            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            if (m_trans == null)
             {
-                dbcon.Open();
-                cmd.Connection = dbcon;
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+                {
+                    dbcon.Open();
+                    cmd.Connection = dbcon;
+
+                    return cmd.ExecuteScalar();
+                }
+            }
+            else
+            {
+                cmd.Connection = m_trans.Connection;
+                cmd.Transaction = m_trans;
 
                 return cmd.ExecuteScalar();
             }
         }
-
     }
 }
diff --git a/OpenSim/Framework/OutboundUrlFilter.cs b/OpenSim/Framework/OutboundUrlFilter.cs
index ee4707f..63ae361 100644
--- a/OpenSim/Framework/OutboundUrlFilter.cs
+++ b/OpenSim/Framework/OutboundUrlFilter.cs
@@ -212,7 +212,17 @@ namespace OpenSim.Framework
             // Check that we are permitted to make calls to this endpoint.
             bool foundIpv4Address = false;
 
-            IPAddress[] addresses = Dns.GetHostAddresses(url.Host);
+            IPAddress[] addresses = null;
+            
+            try
+            {
+                addresses = Dns.GetHostAddresses(url.Host);
+            }
+            catch
+            {
+                // If there is a DNS error, we can't stop the script!
+                return true;
+            }
 
             foreach (IPAddress addr in addresses)
             {
@@ -253,4 +263,4 @@ namespace OpenSim.Framework
             return allowed;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Framework/Servers/ServerBase.cs b/OpenSim/Framework/Servers/ServerBase.cs
index 8965e71..f627ae6 100644
--- a/OpenSim/Framework/Servers/ServerBase.cs
+++ b/OpenSim/Framework/Servers/ServerBase.cs
@@ -57,6 +57,7 @@ namespace OpenSim.Framework.Servers
 
         protected OpenSimAppender m_consoleAppender;
         protected FileAppender m_logFileAppender;
+        protected FileAppender m_statsLogFileAppender;
 
         protected DateTime m_startuptime;
         protected string m_startupDirectory = Environment.CurrentDirectory;
@@ -156,6 +157,10 @@ namespace OpenSim.Framework.Servers
                 {
                     m_logFileAppender = (FileAppender)appender;
                 }
+                else if (appender.Name == "StatsLogFileAppender")
+                {
+                    m_statsLogFileAppender = (FileAppender)appender;
+                }
             }
 
             if (null == m_consoleAppender)
@@ -185,6 +190,18 @@ namespace OpenSim.Framework.Servers
 
                 m_log.InfoFormat("[SERVER BASE]: Logging started to file {0}", m_logFileAppender.File);
             }
+
+            if (m_statsLogFileAppender != null && startupConfig != null)
+            {
+                string cfgStatsFileName = startupConfig.GetString("StatsLogFile", null);
+                if (cfgStatsFileName != null)
+                {
+                    m_statsLogFileAppender.File = cfgStatsFileName;
+                    m_statsLogFileAppender.ActivateOptions();
+                }
+
+                m_log.InfoFormat("[SERVER BASE]: Stats Logging started to file {0}", m_statsLogFileAppender.File);
+            }
         }
 
         /// <summary>
diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index 9f5868b..0ec24e6 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -1192,7 +1192,7 @@ namespace OpenSim.Framework
         {
             foreach (IAppender appender in LogManager.GetRepository().GetAppenders())
             {
-                if (appender is FileAppender)
+                if (appender is FileAppender && appender.Name == "LogFileAppender")
                 {
                     return ((FileAppender)appender).File;
                 }
@@ -1201,6 +1201,19 @@ namespace OpenSim.Framework
             return "./OpenSim.log";
         }
 
+        public static string statsLogFile()
+        {
+            foreach (IAppender appender in LogManager.GetRepository().GetAppenders())
+            {
+                if (appender is FileAppender && appender.Name == "StatsLogFileAppender")
+                {
+                    return ((FileAppender)appender).File;
+                }
+            }
+
+            return "./OpenSimStats.log";
+        }
+
         public static string logDir()
         {
             return Path.GetDirectoryName(logFile());
diff --git a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
index f8a4461..610e279 100644
--- a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
+++ b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
@@ -806,6 +806,9 @@ namespace OpenSim.Region.CoreModules.Asset
 
                     return;
                 }
+                catch (UnauthorizedAccessException e)
+                {
+                }
                 finally
                 {
                     if (stream != null)
diff --git a/OpenSim/Region/CoreModules/Framework/UserManagement/UserManagementModule.cs b/OpenSim/Region/CoreModules/Framework/UserManagement/UserManagementModule.cs
index 51f973a..32cb5a3 100644
--- a/OpenSim/Region/CoreModules/Framework/UserManagement/UserManagementModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/UserManagement/UserManagementModule.cs
@@ -957,9 +957,14 @@ namespace OpenSim.Region.CoreModules.Framework.UserManagement
 
         public virtual bool IsLocalGridUser(UUID uuid)
         {
-            UserAccount account = m_Scenes[0].UserAccountService.GetUserAccount(m_Scenes[0].RegionInfo.ScopeID, uuid);
-            if (account == null || (account != null && !account.LocalToGrid))
-                return false;
+            lock (m_Scenes)
+            {
+                if (m_Scenes.Count == 0)
+                    return true;
+                UserAccount account = m_Scenes[0].UserAccountService.GetUserAccount(m_Scenes[0].RegionInfo.ScopeID, uuid);
+                if (account == null || (account != null && !account.LocalToGrid))
+                    return false;
+            }
 
             return true;
         }
diff --git a/OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs b/OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs
index 7f2b29a..bc86076 100644
--- a/OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs
+++ b/OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs
@@ -2032,6 +2032,10 @@ namespace OpenSim.Region.CoreModules.World.Permissions
             DebugPermissionInformation(MethodInfo.GetCurrentMethod().Name);
             if (m_bypassPermissions) return m_bypassPermissionsValue;
 
+            // A god is a god is a god
+            if (IsAdministrator(user))
+                return true;
+
             if (objectID == UUID.Zero) // User inventory
             {
                 IInventoryService invService = m_scene.InventoryService;
@@ -2121,6 +2125,10 @@ namespace OpenSim.Region.CoreModules.World.Permissions
             DebugPermissionInformation(MethodInfo.GetCurrentMethod().Name);
             if (m_bypassPermissions) return m_bypassPermissionsValue;
 
+            // A god is a god is a god
+            if (IsAdministrator(user))
+                return true;
+
             if (objectID == UUID.Zero) // User inventory
             {
                 IInventoryService invService = m_scene.InventoryService;
diff --git a/OpenSim/Region/CoreModules/World/Region/RestartModule.cs b/OpenSim/Region/CoreModules/World/Region/RestartModule.cs
index 8bac9e6..bb3b860 100644
--- a/OpenSim/Region/CoreModules/World/Region/RestartModule.cs
+++ b/OpenSim/Region/CoreModules/World/Region/RestartModule.cs
@@ -61,6 +61,8 @@ namespace OpenSim.Region.CoreModules.World.Region
         protected IDialogModule m_DialogModule = null;
         protected string m_MarkerPath = String.Empty;
         private int[] m_CurrentAlerts = null;
+        protected bool m_shortCircuitDelays = false;
+        protected bool m_rebootAll = false;
 
         public void Initialise(IConfigSource config)
         {
@@ -69,6 +71,9 @@ namespace OpenSim.Region.CoreModules.World.Region
             {
                 m_MarkerPath = restartConfig.GetString("MarkerPath", String.Empty);
             }
+            IConfig startupConfig = config.Configs["Startup"];
+            m_shortCircuitDelays = startupConfig.GetBoolean("SkipDelayOnEmptyRegion", false);
+            m_rebootAll = startupConfig.GetBoolean("InworldRestartShutsDown", false);
         }
 
         public void AddRegion(Scene scene)
@@ -250,6 +255,14 @@ namespace OpenSim.Region.CoreModules.World.Region
         private void OnTimer(object source, ElapsedEventArgs e)
         {
             int nextInterval = DoOneNotice(true);
+            if (m_shortCircuitDelays)
+            {
+                if (CountAgents() == 0)
+                {
+                    m_Scene.RestartNow();
+                    return;
+                }
+            }
 
             SetTimer(nextInterval);
         }
@@ -349,5 +362,35 @@ namespace OpenSim.Region.CoreModules.World.Region
             {
             }
         }
+
+        int CountAgents()
+        {
+            m_log.Info("[RESTART MODULE]: Counting affected avatars");
+            int agents = 0;
+
+            if (m_rebootAll)
+            {
+                foreach (Scene s in SceneManager.Instance.Scenes)
+                {
+                    foreach (ScenePresence sp in s.GetScenePresences())
+                    {
+                        if (!sp.IsChildAgent && !sp.IsNPC)
+                            agents++;
+                    }
+                }
+            }
+            else
+            {
+                foreach (ScenePresence sp in m_Scene.GetScenePresences())
+                {
+                    if (!sp.IsChildAgent && !sp.IsNPC)
+                        agents++;
+                }
+            }
+
+            m_log.InfoFormat("[RESTART MODULE]: Avatars in region: {0}", agents);
+
+            return agents;
+        }
     }
 }
diff --git a/OpenSim/Region/Framework/Interfaces/IEtcdModule.cs b/OpenSim/Region/Framework/Interfaces/IEtcdModule.cs
new file mode 100644
index 0000000..123cb67
--- /dev/null
+++ b/OpenSim/Region/Framework/Interfaces/IEtcdModule.cs
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * 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 OpenSimulator 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 System;
+
+public interface IEtcdModule
+{
+    bool Store(string k, string v);
+    bool Store(string k, string v, int ttl);
+    string Get(string k);
+    void Watch(string k, Action<string> callback);
+    void Delete(string k);
+}
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 5f99b73..c5b082c 100755
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -540,6 +540,9 @@ namespace OpenSim.Region.Framework.Scenes
         private Timer m_mapGenerationTimer = new Timer();
         private bool m_generateMaptiles;
 
+        protected int m_lastHealth = -1;
+        protected int m_lastUsers = -1;
+
         #endregion Fields
 
         #region Properties
@@ -1212,6 +1215,30 @@ namespace OpenSim.Region.Framework.Scenes
             StatsReporter.OnSendStatsResult += SendSimStatsPackets;
             StatsReporter.OnStatsIncorrect += m_sceneGraph.RecalculateStats;
 
+            IConfig restartConfig = config.Configs["RestartModule"];
+            if (restartConfig != null)
+            {
+                string markerPath = restartConfig.GetString("MarkerPath", String.Empty);
+
+                if (markerPath != String.Empty)
+                {
+                    string path = Path.Combine(markerPath, RegionInfo.RegionID.ToString() + ".started");
+                    try
+                    {
+                        string pidstring = System.Diagnostics.Process.GetCurrentProcess().Id.ToString();
+                        FileStream fs = File.Create(path);
+                        System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
+                        Byte[] buf = enc.GetBytes(pidstring);
+                        fs.Write(buf, 0, buf.Length);
+                        fs.Close();
+                    }
+                    catch (Exception)
+                    {
+                    }
+                }
+            }
+
+            StartTimerWatchdog();
         }
 
         public Scene(RegionInfo regInfo)
@@ -1482,6 +1509,14 @@ namespace OpenSim.Region.Framework.Scenes
                 return;
             }
 
+            IEtcdModule etcd = RequestModuleInterface<IEtcdModule>();
+            if (etcd != null)
+            {
+                etcd.Delete("Health");
+                etcd.Delete("HealthFlags");
+                etcd.Delete("RootAgents");
+            }
+
             m_log.InfoFormat("[SCENE]: Closing down the single simulator: {0}", RegionInfo.RegionName);
 
 
@@ -1520,6 +1555,8 @@ namespace OpenSim.Region.Framework.Scenes
             m_log.Debug("[SCENE]: Persisting changed objects");
             Backup(true);
 
+            m_log.Debug("[SCENE]: Closing scene");
+
             m_sceneGraph.Close();
 
             base.Close();
@@ -3989,7 +4026,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             if (!LoginsEnabled)
             {
-                reason = "Logins Disabled";
+                reason = "Logins to this region are disabled";
                 return false;
             }
 
@@ -5512,23 +5549,24 @@ Label_GroupsDone:
                 return 0;
             }
 
-            if ((Util.EnvironmentTickCountSubtract(m_lastFrameTick)) < 1000)
+            if ((Util.EnvironmentTickCountSubtract(m_lastFrameTick)) < 2000)
             {
                 health+=1;
                 flags |= 1;
             }
 
-            if (Util.EnvironmentTickCountSubtract(m_lastIncoming) < 1000)
+            if (Util.EnvironmentTickCountSubtract(m_lastIncoming) < 2000)
             {
                 health+=1;
                 flags |= 2;
             }
 
-            if (Util.EnvironmentTickCountSubtract(m_lastOutgoing) < 1000)
+            if (Util.EnvironmentTickCountSubtract(m_lastOutgoing) < 2000)
             {
                 health+=1;
                 flags |= 4;
             }
+            /*
             else
             {
 int pid = System.Diagnostics.Process.GetCurrentProcess().Id;
@@ -5541,6 +5579,7 @@ proc.WaitForExit();
 Thread.Sleep(1000);
 Environment.Exit(1);
             }
+            */
 
             if (flags != 7)
                 return health;
@@ -6305,6 +6344,32 @@ Environment.Exit(1);
         public void TimerWatchdog(object sender, ElapsedEventArgs e)
         {
             CheckHeartbeat();
+
+            IEtcdModule etcd = RequestModuleInterface<IEtcdModule>();
+            int flags;
+            string message;
+            if (etcd != null)
+            {
+                int health = GetHealth(out flags, out message);
+                if (health != m_lastHealth)
+                {
+                    m_lastHealth = health;
+
+                    etcd.Store("Health", health.ToString(), 300000);
+                    etcd.Store("HealthFlags", flags.ToString(), 300000);
+                }
+
+                int roots = 0;
+                foreach (ScenePresence sp in GetScenePresences())
+                    if (!sp.IsChildAgent && !sp.IsNPC)
+                        roots++;
+
+                if (m_lastUsers != roots)
+                {
+                    m_lastUsers = roots;
+                    etcd.Store("RootAgents", roots.ToString(), 300000);
+                }
+            }
         }
 
         /// This method deals with movement when an avatar is automatically moving (but this is distinct from the
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 45196bb..bf4d60c 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -376,6 +376,8 @@ namespace OpenSim.Region.Framework.Scenes
         public bool m_dupeInProgress = false;
         internal Dictionary<UUID, string> m_savedScriptState;
 
+        public UUID MonitoringObject { get; set; }
+
         #region Properties
 
         /// <summary>
diff --git a/OpenSim/Region/OptionalModules/Framework/Monitoring/EtcdMonitoringModule.cs b/OpenSim/Region/OptionalModules/Framework/Monitoring/EtcdMonitoringModule.cs
new file mode 100644
index 0000000..921bbfb
--- /dev/null
+++ b/OpenSim/Region/OptionalModules/Framework/Monitoring/EtcdMonitoringModule.cs
@@ -0,0 +1,195 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * 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 OpenSimulator 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 System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Text;
+using log4net;
+using Mono.Addins;
+using Nini.Config;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Framework.Console;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using netcd;
+using netcd.Serialization;
+using netcd.Advanced;
+using netcd.Advanced.Requests;
+
+namespace OpenSim.Region.OptionalModules.Framework.Monitoring
+{
+    /// <summary>
+    /// Allows to store monitoring data in etcd, a high availability
+    /// name-value store.
+    /// </summary>
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "EtcdMonitoringModule")]
+    public class EtcdMonitoringModule : INonSharedRegionModule, IEtcdModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        protected Scene m_scene;
+        protected IEtcdClient m_client;
+        protected bool m_enabled = false;
+        protected string m_etcdBasePath = String.Empty;
+        protected bool m_appendRegionID = true;
+
+        public string Name
+        {
+            get { return "EtcdMonitoringModule"; }
+        }
+
+        public Type ReplaceableInterface
+        {
+            get { return null; }
+        }
+
+        public void Initialise(IConfigSource source)
+        {
+            if (source.Configs["Etcd"] == null)
+                return;
+
+            IConfig etcdConfig = source.Configs["Etcd"];
+
+            string etcdUrls = etcdConfig.GetString("EtcdUrls", String.Empty);
+            if (etcdUrls == String.Empty)
+                return;
+
+            m_etcdBasePath = etcdConfig.GetString("BasePath", m_etcdBasePath);
+            m_appendRegionID = etcdConfig.GetBoolean("AppendRegionID", m_appendRegionID);
+
+            if (!m_etcdBasePath.EndsWith("/"))
+                m_etcdBasePath += "/";
+
+            try
+            {
+                string[] endpoints = etcdUrls.Split(new char[] {','});
+                List<Uri> uris = new List<Uri>();
+                foreach (string endpoint in endpoints)
+                    uris.Add(new Uri(endpoint.Trim()));
+
+                m_client = new EtcdClient(uris.ToArray(), new DefaultSerializer(), new DefaultSerializer());
+            }
+            catch (Exception e)
+            {
+                m_log.DebugFormat("[ETCD]: Error initializing connection: " + e.ToString());
+                return;
+            }
+
+            m_log.DebugFormat("[ETCD]: Etcd module configured");
+            m_enabled = true;
+        }
+
+        public void Close()
+        {
+            //m_client = null;
+            m_scene = null;
+        }
+
+        public void AddRegion(Scene scene)
+        {
+            m_scene = scene;
+
+            if (m_enabled)
+            {
+                if (m_appendRegionID)
+                    m_etcdBasePath += m_scene.RegionInfo.RegionID.ToString() + "/";
+
+                m_log.DebugFormat("[ETCD]: Using base path {0} for all keys", m_etcdBasePath);
+
+                try
+                {
+                    m_client.Advanced.CreateDirectory(new CreateDirectoryRequest() {Key = m_etcdBasePath});
+                }
+                catch (Exception e)
+                {
+                    m_log.ErrorFormat("Exception trying to create base path {0}: " + e.ToString(), m_etcdBasePath);
+                }
+
+                scene.RegisterModuleInterface<IEtcdModule>(this);
+            }
+        }
+
+        public void RemoveRegion(Scene scene)
+        {
+        }
+
+        public void RegionLoaded(Scene scene)
+        {
+        }
+
+        public bool Store(string k, string v)
+        {
+            return Store(k, v, 0);
+        }
+
+        public bool Store(string k, string v, int ttl)
+        {
+            Response resp = m_client.Advanced.SetKey(new SetKeyRequest() { Key = m_etcdBasePath + k, Value = v, TimeToLive = ttl });
+
+            if (resp == null)
+                return false;
+
+            if (resp.ErrorCode.HasValue)
+            {
+                m_log.DebugFormat("[ETCD]: Error {0} ({1}) storing {2} => {3}", resp.Cause, (int)resp.ErrorCode, m_etcdBasePath + k, v);
+
+                return false;
+            }
+
+            return true;
+        }
+
+        public string Get(string k)
+        {
+            Response resp = m_client.Advanced.GetKey(new GetKeyRequest() { Key = m_etcdBasePath + k });
+
+            if (resp == null)
+                return String.Empty;
+
+            if (resp.ErrorCode.HasValue)
+            {
+                m_log.DebugFormat("[ETCD]: Error {0} ({1}) getting {2}", resp.Cause, (int)resp.ErrorCode, m_etcdBasePath + k);
+
+                return String.Empty;
+            }
+
+            return resp.Node.Value;
+        }
+
+        public void Delete(string k)
+        {
+            m_client.Advanced.DeleteKey(new DeleteKeyRequest() { Key = m_etcdBasePath + k });
+        }
+
+        public void Watch(string k, Action<string> callback)
+        {
+            m_client.Advanced.WatchKey(new WatchKeyRequest() { Key = m_etcdBasePath + k, Callback = (x) => { callback(x.Node.Value); } });
+        }
+    }
+}
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 3f2e321..62654ee 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -424,6 +424,19 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             return lease;
         }
 
+        protected SceneObjectPart MonitoringObject()
+        {
+            UUID m = m_host.ParentGroup.MonitoringObject;
+            if (m == UUID.Zero)
+                return null;
+
+            SceneObjectPart p = m_ScriptEngine.World.GetSceneObjectPart(m);
+            if (p == null)
+                m_host.ParentGroup.MonitoringObject = UUID.Zero;
+
+            return p;
+        }
+
         protected virtual void ScriptSleep(int delay)
         {
             delay = (int)((float)delay * m_ScriptDelayFactor);