Merge branch 'master' of ssh://opensimulator.org/var/git/opensim

1 files changed, 240 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/LocalGridServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/LocalGridServiceConnector.cs
new file mode 100644
index 0000000..3ca4882
--- /dev/null
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/LocalGridServiceConnector.cs
@@ -0,0 +1,240 @@
+/*
+ * 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 log4net;
+using Nini.Config;
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using OpenSim.Framework;
+using OpenSim.Framework.Console;
+using OpenSim.Server.Base;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Services.Interfaces;
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+using OpenMetaverse;
+
+namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
+{
+    public class LocalGridServicesConnector :
+            ISharedRegionModule, IGridService
+    {
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        private static LocalGridServicesConnector m_MainInstance;
+
+        private IGridService m_GridService;
+        private Dictionary<UUID, RegionCache> m_LocalCache = new Dictionary<UUID, RegionCache>();
+
+        private bool m_Enabled = false;
+
+        public LocalGridServicesConnector()
+        {
+        }
+
+        public LocalGridServicesConnector(IConfigSource source)
+        {
+            m_log.Debug("[LOCAL GRID CONNECTOR]: LocalGridServicesConnector instantiated");
+            m_MainInstance = this;
+            InitialiseService(source);
+        }
+
+        #region ISharedRegionModule
+
+        public Type ReplaceableInterface 
+        {
+            get { return null; }
+        }
+
+        public string Name
+        {
+            get { return "LocalGridServicesConnector"; }
+        }
+
+        public void Initialise(IConfigSource source)
+        {
+            IConfig moduleConfig = source.Configs["Modules"];
+            if (moduleConfig != null)
+            {
+                string name = moduleConfig.GetString("GridServices", "");
+                if (name == Name)
+                {
+                    InitialiseService(source);
+                    m_MainInstance = this;
+                    m_Enabled = true;
+                    m_log.Info("[LOCAL GRID CONNECTOR]: Local grid connector enabled");
+                }
+            }
+        }
+
+        private void InitialiseService(IConfigSource source)
+        {
+            IConfig assetConfig = source.Configs["GridService"];
+            if (assetConfig == null)
+            {
+                m_log.Error("[LOCAL GRID CONNECTOR]: GridService missing from OpenSim.ini");
+                return;
+            }
+
+            string serviceDll = assetConfig.GetString("LocalServiceModule",
+                    String.Empty);
+
+            if (serviceDll == String.Empty)
+            {
+                m_log.Error("[LOCAL GRID CONNECTOR]: No LocalServiceModule named in section GridService");
+                return;
+            }
+
+            Object[] args = new Object[] { source };
+            m_GridService =
+                    ServerUtils.LoadPlugin<IGridService>(serviceDll,
+                    args);
+
+            if (m_GridService == null)
+            {
+                m_log.Error("[LOCAL GRID CONNECTOR]: Can't load grid service");
+                return;
+            }
+        }
+
+        public void PostInitialise()
+        {
+            if (m_MainInstance == this)
+            {
+                MainConsole.Instance.Commands.AddCommand("LocalGridConnector", false, "show neighbours",
+                    "show neighbours",
+                    "Shows the local regions' neighbours", NeighboursCommand);
+            }
+        }
+
+        public void Close()
+        {
+        }
+
+        public void AddRegion(Scene scene)
+        {
+            if (m_Enabled)
+                scene.RegisterModuleInterface<IGridService>(this);
+
+            if (m_MainInstance == this)
+            {
+                if (m_LocalCache.ContainsKey(scene.RegionInfo.RegionID))
+                    m_log.ErrorFormat("[LOCAL GRID CONNECTOR]: simulator seems to have more than one region with the same UUID. Please correct this!");
+                else
+                    m_LocalCache.Add(scene.RegionInfo.RegionID, new RegionCache(scene));
+            }
+        }
+
+        public void RemoveRegion(Scene scene)
+        {
+            if (m_MainInstance == this)
+            {
+                m_LocalCache[scene.RegionInfo.RegionID].Clear();
+                m_LocalCache.Remove(scene.RegionInfo.RegionID);
+            }
+        }
+
+        public void RegionLoaded(Scene scene)
+        {
+        }
+
+        #endregion
+
+        #region IGridService
+
+        public bool RegisterRegion(UUID scopeID, GridRegion regionInfo)
+        {
+            return m_GridService.RegisterRegion(scopeID, regionInfo);
+        }
+
+        public bool DeregisterRegion(UUID regionID)
+        {
+            return m_GridService.DeregisterRegion(regionID);
+        }
+
+        public List<GridRegion> GetNeighbours(UUID scopeID, UUID regionID)
+        {
+            if (m_LocalCache.ContainsKey(regionID))
+            {
+                List<GridRegion> neighbours = m_LocalCache[regionID].GetNeighbours();
+                if (neighbours.Count == 0)
+                    // try the DB
+                    neighbours = m_GridService.GetNeighbours(scopeID, regionID);
+                return neighbours;
+            }
+            else
+            {
+                m_log.WarnFormat("[LOCAL GRID CONNECTOR]: GetNeighbours: Requested region {0} is not on this sim", regionID);
+                return new List<GridRegion>();
+            }
+
+            // Don't go to the DB
+            //return m_GridService.GetNeighbours(scopeID, regionID);
+        }
+
+        public GridRegion GetRegionByUUID(UUID scopeID, UUID regionID)
+        {
+            return m_GridService.GetRegionByUUID(scopeID, regionID);
+        }
+
+        public GridRegion GetRegionByPosition(UUID scopeID, int x, int y)
+        {
+            return m_GridService.GetRegionByPosition(scopeID, x, y);
+        }
+
+        public GridRegion GetRegionByName(UUID scopeID, string regionName)
+        {
+            return m_GridService.GetRegionByName(scopeID, regionName);
+        }
+
+        public List<GridRegion> GetRegionsByName(UUID scopeID, string name, int maxNumber)
+        {
+            return m_GridService.GetRegionsByName(scopeID, name, maxNumber);
+        }
+
+        public List<GridRegion> GetRegionRange(UUID scopeID, int xmin, int xmax, int ymin, int ymax)
+        {
+            return m_GridService.GetRegionRange(scopeID, xmin, xmax, ymin, ymax);
+        }
+
+        #endregion
+
+        public void NeighboursCommand(string module, string[] cmdparams)
+        {
+            foreach (KeyValuePair<UUID, RegionCache> kvp in m_LocalCache)
+            {
+                m_log.InfoFormat("*** Neighbours of {0} {1} ***", kvp.Key, kvp.Value.RegionName);
+                List<GridRegion> regions = kvp.Value.GetNeighbours();
+                foreach (GridRegion r in regions)
+                    m_log.InfoFormat("    {0} @ {1}={2}", r.RegionName, r.RegionLocX / Constants.RegionSize, r.RegionLocY / Constants.RegionSize);
+            }
+        }
+    }
+}