2 files changed, 283 insertions, 0 deletions

diff --git a/OpenSim/Services/GridService/GridService.cs b/OpenSim/Services/GridService/GridService.cs
new file mode 100644
index 0000000..991acf2
--- /dev/null
+++ b/OpenSim/Services/GridService/GridService.cs
@@ -0,0 +1,199 @@
+/*
+ * 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.Net;
+using System.Reflection;
+using Nini.Config;
+using log4net;
+using OpenSim.Framework;
+using OpenSim.Framework.Console;
+using OpenSim.Data;
+using OpenSim.Services.Interfaces;
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+using OpenMetaverse;
+
+namespace OpenSim.Services.GridService
+{
+    public class GridService : GridServiceBase, IGridService
+    {
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        public GridService(IConfigSource config)
+            : base(config)
+        {
+            m_log.DebugFormat("[GRID SERVICE]: Starting...");
+        }
+
+        #region IGridService
+
+        public bool RegisterRegion(UUID scopeID, GridRegion regionInfos)
+        {
+            // This needs better sanity testing. What if regionInfo is registering in
+            // overlapping coords?
+            RegionData region = m_Database.Get(regionInfos.RegionLocX, regionInfos.RegionLocY, scopeID);
+            if ((region != null) && (region.RegionID != regionInfos.RegionID))
+            {
+                m_log.WarnFormat("[GRID SERVICE]: Region {0} tried to register in coordinates {1}, {2} which are already in use in scope {3}.", 
+                    regionInfos.RegionID, regionInfos.RegionLocX, regionInfos.RegionLocY, scopeID);
+                return false;
+            }
+            if ((region != null) && (region.RegionID == regionInfos.RegionID) && 
+                ((region.posX != regionInfos.RegionLocX) || (region.posY != regionInfos.RegionLocY)))
+            {
+                // Region reregistering in other coordinates. Delete the old entry
+                m_Database.Delete(regionInfos.RegionID);
+            }
+
+            // Everything is ok, let's register
+            RegionData rdata = RegionInfo2RegionData(regionInfos);
+            rdata.ScopeID = scopeID;
+            m_Database.Store(rdata);
+            return true;
+        }
+
+        public bool DeregisterRegion(UUID regionID)
+        {
+            return m_Database.Delete(regionID);
+        }
+
+        public List<GridRegion> GetNeighbours(UUID scopeID, UUID regionID)
+        {
+            List<GridRegion> rinfos = new List<GridRegion>();
+            RegionData region = m_Database.Get(regionID, scopeID);
+            if (region != null)
+            {
+                // Not really? Maybe?
+                List<RegionData> rdatas = m_Database.Get(region.posX - (int)Constants.RegionSize, region.posY - (int)Constants.RegionSize, 
+                    region.posX + (int)Constants.RegionSize, region.posY + (int)Constants.RegionSize, scopeID);
+
+                foreach (RegionData rdata in rdatas)
+                    if (rdata.RegionID != regionID)
+                        rinfos.Add(RegionData2RegionInfo(rdata));
+
+            }
+            return rinfos;
+        }
+
+        public GridRegion GetRegionByUUID(UUID scopeID, UUID regionID)
+        {
+            RegionData rdata = m_Database.Get(regionID, scopeID);
+            if (rdata != null)
+                return RegionData2RegionInfo(rdata);
+
+            return null;
+        }
+
+        public GridRegion GetRegionByPosition(UUID scopeID, int x, int y)
+        {
+            int snapX = (int)(x / Constants.RegionSize) * (int)Constants.RegionSize;
+            int snapY = (int)(y / Constants.RegionSize) * (int)Constants.RegionSize;
+            RegionData rdata = m_Database.Get(snapX, snapY, scopeID);
+            if (rdata != null)
+                return RegionData2RegionInfo(rdata);
+
+            return null;
+        }
+
+        public GridRegion GetRegionByName(UUID scopeID, string regionName)
+        {
+            List<RegionData> rdatas = m_Database.Get(regionName + "%", scopeID);
+            if ((rdatas != null) && (rdatas.Count > 0))
+                return RegionData2RegionInfo(rdatas[0]); // get the first
+
+            return null;
+        }
+
+        public List<GridRegion> GetRegionsByName(UUID scopeID, string name, int maxNumber)
+        {
+            List<RegionData> rdatas = m_Database.Get("%" + name + "%", scopeID);
+
+            int count = 0;
+            List<GridRegion> rinfos = new List<GridRegion>();
+
+            if (rdatas != null)
+            {
+                foreach (RegionData rdata in rdatas)
+                {
+                    if (count++ < maxNumber)
+                        rinfos.Add(RegionData2RegionInfo(rdata));
+                }
+            }
+
+            return rinfos;
+        }
+
+        public List<GridRegion> GetRegionRange(UUID scopeID, int xmin, int xmax, int ymin, int ymax)
+        {
+            int xminSnap = (int)(xmin / Constants.RegionSize) * (int)Constants.RegionSize;
+            int xmaxSnap = (int)(xmax / Constants.RegionSize) * (int)Constants.RegionSize;
+            int yminSnap = (int)(ymin / Constants.RegionSize) * (int)Constants.RegionSize;
+            int ymaxSnap = (int)(ymax / Constants.RegionSize) * (int)Constants.RegionSize;
+
+            List<RegionData> rdatas = m_Database.Get(xminSnap, yminSnap, xmaxSnap, ymaxSnap, scopeID);
+            List<GridRegion> rinfos = new List<GridRegion>();
+            foreach (RegionData rdata in rdatas)
+                rinfos.Add(RegionData2RegionInfo(rdata));
+
+            return rinfos;
+        }
+
+        #endregion
+
+        #region Data structure conversions
+
+        protected RegionData RegionInfo2RegionData(GridRegion rinfo)
+        {
+            RegionData rdata = new RegionData();
+            rdata.posX = (int)rinfo.RegionLocX;
+            rdata.posY = (int)rinfo.RegionLocY;
+            rdata.RegionID = rinfo.RegionID;
+            rdata.RegionName = rinfo.RegionName;
+            rdata.Data = rinfo.ToKeyValuePairs();
+            rdata.Data["regionHandle"] = Utils.UIntsToLong((uint)rdata.posX, (uint)rdata.posY);
+            return rdata;
+        }
+
+        protected GridRegion RegionData2RegionInfo(RegionData rdata)
+        {
+            GridRegion rinfo = new GridRegion(rdata.Data);
+            rinfo.RegionLocX = rdata.posX;
+            rinfo.RegionLocY = rdata.posY;
+            rinfo.RegionID = rdata.RegionID;
+            rinfo.RegionName = rdata.RegionName;
+            rinfo.ScopeID = rdata.ScopeID;
+
+            return rinfo;
+        }
+
+        #endregion 
+
+    }
+}
diff --git a/OpenSim/Services/GridService/GridServiceBase.cs b/OpenSim/Services/GridService/GridServiceBase.cs
new file mode 100644
index 0000000..444f79b
--- /dev/null
+++ b/OpenSim/Services/GridService/GridServiceBase.cs
@@ -0,0 +1,84 @@
+/*
+ * 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 Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Data;
+using OpenSim.Services.Interfaces;
+using OpenSim.Services.Base;
+
+namespace OpenSim.Services.GridService
+{
+    public class GridServiceBase : ServiceBase
+    {
+        protected IRegionData m_Database = null;
+
+        public GridServiceBase(IConfigSource config)
+            : base(config)
+        {
+            string dllName = String.Empty;
+            string connString = String.Empty;
+            string realm = "regions";
+
+            //
+            // Try reading the [DatabaseService] section, if it exists
+            //
+            IConfig dbConfig = config.Configs["DatabaseService"];
+            if (dbConfig != null)
+            {
+                if (dllName == String.Empty)
+                    dllName = dbConfig.GetString("StorageProvider", String.Empty);
+                if (connString == String.Empty)
+                    connString = dbConfig.GetString("ConnectionString", String.Empty);
+            }
+
+            //
+            // [GridService] section overrides [DatabaseService], if it exists
+            //
+            IConfig gridConfig = config.Configs["GridService"];
+            if (gridConfig != null)
+            {
+                dllName = gridConfig.GetString("StorageProvider", dllName);
+                connString = gridConfig.GetString("ConnectionString", connString);
+                realm = gridConfig.GetString("Realm", realm);
+            }
+            
+            //
+            // We tried, but this doesn't exist. We can't proceed.
+            //
+            if (dllName.Equals(String.Empty))
+                throw new Exception("No StorageProvider configured");
+
+            m_Database = LoadPlugin<IRegionData>(dllName, new Object[] { connString, realm });
+            if (m_Database == null)
+                throw new Exception("Could not find a storage interface in the given module");
+
+        }
+    }
+}