Environment Module - allows Environment settings for Viewer3 warning: includes database region store migrations for mssql, mysql, sqlite

enable/disable this module:
Cap_EnvironmentSettings = "localhost" (for enable)
Cap_EnvironmentSettings = "" (for disable) at ClientStack.LindenCaps section (OpenSimDefaults.ini file)
 or owerwrite in OpenSim.ini

mantis: http://opensimulator.org/mantis/view.php?id=5860

Signed-off-by: BlueWall <jamesh@bluewallgroup.com>

1 files changed, 224 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/LightShare/EnvironmentModule.cs b/OpenSim/Region/CoreModules/LightShare/EnvironmentModule.cs
new file mode 100644
index 0000000..1526886
--- /dev/null
+++ b/OpenSim/Region/CoreModules/LightShare/EnvironmentModule.cs
@@ -0,0 +1,224 @@
+/*
+ * 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.Reflection;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Framework.Capabilities;
+using OpenSim.Framework.Servers.HttpServer;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using log4net;
+using Nini.Config;
+using Mono.Addins;
+
+using Caps = OpenSim.Framework.Capabilities.Caps;
+
+
+namespace OpenSim.Region.CoreModules.World.LightShare
+{
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "EnvironmentModule")]
+
+    public class EnvironmentModule : INonSharedRegionModule, IEnvironmentModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private Scene m_scene = null;
+        private UUID regionID = UUID.Zero;
+        private static bool Enabled = false;
+        
+        private static readonly string capsName = "EnvironmentSettings";
+        private static readonly string capsBase = "/CAPS/0020/";
+        
+        private LLSDEnvironmentSetResponse setResponse = null;
+
+        #region INonSharedRegionModule
+        public void Initialise(IConfigSource source)
+        {
+            IConfig config = source.Configs["ClientStack.LindenCaps"];
+
+            if (null == config)
+                return;
+
+            if (config.GetString("Cap_EnvironmentSettings", String.Empty) != "localhost")
+            {
+                m_log.InfoFormat("[{0}]: Module is disabled.", Name);
+                return;
+            }
+
+            Enabled = true;
+            
+            m_log.InfoFormat("[{0}]: Module is enabled.", Name);
+        }
+
+        public void Close()
+        {
+        }
+
+        public string Name
+        {
+            get { return "EnvironmentModule"; }
+        }
+
+        public Type ReplaceableInterface
+        {
+            get { return null; }
+        }
+
+        public void AddRegion(Scene scene)
+        {
+            if (!Enabled)
+                return;
+
+            scene.RegisterModuleInterface<IEnvironmentModule>(this);
+            m_scene = scene;
+            regionID = scene.RegionInfo.RegionID;
+        }
+
+        public void RegionLoaded(Scene scene)
+        {
+            if (!Enabled)
+                return;
+
+            setResponse = new LLSDEnvironmentSetResponse();
+            scene.EventManager.OnRegisterCaps += OnRegisterCaps;
+        }
+
+        public void RemoveRegion(Scene scene)
+        {
+            if (Enabled)
+                return;
+
+            scene.EventManager.OnRegisterCaps -= OnRegisterCaps;
+            m_scene = null;
+        }
+        #endregion
+
+        #region IEnvironmentModule
+        public void ResetEnvironmentSettings(UUID regionUUID)
+        {
+            if (!Enabled)
+                return;
+
+            m_scene.SimulationDataService.RemoveRegionEnvironmentSettings(regionUUID);
+        }
+        #endregion
+
+        #region Events
+        private void OnRegisterCaps(UUID agentID, Caps caps)
+        {
+//            m_log.DebugFormat("[{0}]: Register capability for agentID {1} in region {2}",
+//                Name, agentID, caps.RegionName);
+
+            string capsPath = capsBase + UUID.Random();
+
+            // Get handler
+            caps.RegisterHandler(
+                capsName,
+                new RestStreamHandler(
+                    "GET",
+                    capsPath,
+                    (request, path, param, httpRequest, httpResponse)
+                     => GetEnvironmentSettings(request, path, param, agentID, caps),
+                     capsName,
+                     agentID.ToString()));
+
+            // Set handler
+            caps.HttpListener.AddStreamHandler(
+                new RestStreamHandler(
+                "POST",
+                capsPath,
+                (request, path, param, httpRequest, httpResponse)
+                 => SetEnvironmentSettings(request, path, param, agentID, caps),
+                 capsName,
+                 agentID.ToString()));
+        }
+        #endregion
+
+        private string GetEnvironmentSettings(string request, string path, string param,
+              UUID agentID, Caps caps)
+        {
+//            m_log.DebugFormat("[{0}]: Environment GET handle for agentID {1} in region {2}",
+//                Name, agentID, caps.RegionName);
+
+            string env = String.Empty;
+
+            try
+            {
+                env = m_scene.SimulationDataService.LoadRegionEnvironmentSettings(regionID);
+            }
+            catch (Exception e)
+            {
+                m_log.ErrorFormat("[{0}]: Unable to load environment settings for region {1}, Exception: {2} - {3}",
+                    Name, caps.RegionName, e.Message, e.StackTrace);
+            }
+
+            if (String.IsNullOrEmpty(env))
+                env = EnvironmentSettings.EmptySettings(UUID.Zero, regionID);
+
+            return env;
+        }
+
+        private string SetEnvironmentSettings(string request, string path, string param,
+                              UUID agentID, Caps caps)
+        {
+
+//            m_log.DebugFormat("[{0}]: Environment SET handle from agentID {1} in region {2}",
+//                Name, agentID, caps.RegionName);
+
+            setResponse.regionID = regionID;
+            setResponse.success = false;
+
+            if (!m_scene.Permissions.CanIssueEstateCommand(agentID, false))
+            {
+                setResponse.fail_reason = "Insufficient estate permissions, settings has not been saved.";
+                return LLSDHelpers.SerialiseLLSDReply(setResponse);
+            }
+
+            try
+            {
+                m_scene.SimulationDataService.StoreRegionEnvironmentSettings(regionID, request);
+                setResponse.success = true;
+                
+                m_log.InfoFormat("[{0}]: New Environment settings has been saved from agentID {1} in region {2}",
+                    Name, agentID, caps.RegionName);
+            }
+            catch (Exception e)
+            {
+                m_log.ErrorFormat("[{0}]: Environment settings has not been saved for region {1}, Exception: {2} - {3}",
+                    Name, caps.RegionName, e.Message, e.StackTrace);
+
+                setResponse.success = false;
+                setResponse.fail_reason = String.Format("Environment Set for region {0} has failed, settings has not been saved.", caps.RegionName);
+            }
+
+            return LLSDHelpers.SerialiseLLSDReply(setResponse);
+        }
+    }
+}
+