2 files changed, 318 insertions, 0 deletions

diff --git a/OpenSim/Data/Null/NullPresenceData.cs b/OpenSim/Data/Null/NullPresenceData.cs
new file mode 100644
index 0000000..40700cf
--- /dev/null
+++ b/OpenSim/Data/Null/NullPresenceData.cs
@@ -0,0 +1,257 @@
+/*
+ * 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;
+using System.Collections.Generic;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Data;
+
+namespace OpenSim.Data.Null
+{
+    public class NullPresenceData : IPresenceData
+    {
+        private static NullPresenceData Instance;
+
+        Dictionary<UUID, PresenceData> m_presenceData = new Dictionary<UUID, PresenceData>();
+
+        public NullPresenceData(string connectionString, string realm)
+        {
+            if (Instance == null)
+                Instance = this;
+
+            //Console.WriteLine("[XXX] NullRegionData constructor");
+            // Let's stick in a test presence
+            PresenceData p = new PresenceData();
+            p.SessionID = UUID.Zero;
+            p.UserID = UUID.Zero.ToString();
+            p.Data = new Dictionary<string, string>();
+            p.Data["Online"] = "true";
+            m_presenceData.Add(UUID.Zero, p);
+        }
+
+        public bool Store(PresenceData data)
+        {
+            if (Instance != this)
+                return Instance.Store(data);
+
+            m_presenceData[data.SessionID] = data;
+            return true;
+        }
+
+        public PresenceData Get(UUID sessionID)
+        {
+            if (Instance != this)
+                return Instance.Get(sessionID);
+
+            if (m_presenceData.ContainsKey(sessionID))
+                return m_presenceData[sessionID];
+
+            return null;
+        }
+
+        public void LogoutRegionAgents(UUID regionID)
+        {
+            if (Instance != this)
+            {
+                Instance.LogoutRegionAgents(regionID);
+                return;
+            }
+
+            List<UUID> toBeDeleted = new List<UUID>();
+            foreach (KeyValuePair<UUID, PresenceData> kvp in m_presenceData)
+                if (kvp.Value.RegionID == regionID)
+                    toBeDeleted.Add(kvp.Key);
+
+            foreach (UUID u in toBeDeleted)
+                m_presenceData.Remove(u);
+        }
+
+        public bool ReportAgent(UUID sessionID, UUID regionID, string position, string lookAt)
+        {
+            if (Instance != this)
+                return Instance.ReportAgent(sessionID, regionID, position, lookAt);
+            if (m_presenceData.ContainsKey(sessionID))
+            {
+                m_presenceData[sessionID].RegionID = regionID;
+                m_presenceData[sessionID].Data["Position"] = position;
+                m_presenceData[sessionID].Data["LookAt"] = lookAt;
+                return true;
+            }
+
+            return false;
+        }
+
+        public bool SetHomeLocation(string userID, UUID regionID, Vector3 position, Vector3 lookAt)
+        {
+            if (Instance != this)
+                return Instance.SetHomeLocation(userID, regionID, position, lookAt);
+
+            bool foundone = false;
+            foreach (PresenceData p in m_presenceData.Values)
+            {
+                if (p.UserID == userID)
+                {
+                    p.Data["HomeRegionID"] = regionID.ToString();
+                    p.Data["HomePosition"] = position.ToString();
+                    p.Data["HomeLookAt"] = lookAt.ToString();
+                    foundone = true;
+                }
+            }
+
+            return foundone;
+        }
+
+        public PresenceData[] Get(string field, string data)
+        {
+            if (Instance != this)
+                return Instance.Get(field, data);
+
+            List<PresenceData> presences = new List<PresenceData>();
+            if (field == "UserID")
+            {
+                foreach (PresenceData p in m_presenceData.Values)
+                    if (p.UserID == data)
+                        presences.Add(p);
+                return presences.ToArray();
+            }
+            else if (field == "SessionID")
+            {
+                UUID session = UUID.Zero;
+                if (!UUID.TryParse(data, out session))
+                    return presences.ToArray();
+
+                if (m_presenceData.ContainsKey(session))
+                {
+                    presences.Add(m_presenceData[session]);
+                    return presences.ToArray();
+                }
+            }
+            else if (field == "RegionID")
+            {
+                UUID region = UUID.Zero;
+                if (!UUID.TryParse(data, out region))
+                    return presences.ToArray();
+                foreach (PresenceData p in m_presenceData.Values)
+                    if (p.RegionID == region)
+                        presences.Add(p);
+                return presences.ToArray();
+            }
+            else
+            {
+                foreach (PresenceData p in m_presenceData.Values)
+                {
+                    if (p.Data.ContainsKey(field) && p.Data[field] == data)
+                        presences.Add(p);
+                }
+                return presences.ToArray();
+            }
+
+            return presences.ToArray();
+        }
+
+        public void Prune(string userID)
+        {
+            if (Instance != this)
+            {
+                Instance.Prune(userID);
+                return;
+            }
+
+            List<UUID> deleteSessions = new List<UUID>();
+            int online = 0;
+
+            foreach (KeyValuePair<UUID, PresenceData> kvp in m_presenceData)
+            {
+                bool on = false;
+                if (bool.TryParse(kvp.Value.Data["Online"], out on) && on)
+                    online++;
+                else
+                    deleteSessions.Add(kvp.Key);
+            }
+            if (online == 0 && deleteSessions.Count > 0)
+                deleteSessions.RemoveAt(0);
+
+            foreach (UUID s in deleteSessions)
+                m_presenceData.Remove(s);
+
+        }
+
+        public bool Delete(string field, string data)
+        {
+            if (Instance != this)
+                return Delete(field, data);
+
+            List<UUID> presences = new List<UUID>();
+            if (field == "UserID")
+            {
+                foreach (KeyValuePair<UUID, PresenceData> p in m_presenceData)
+                    if (p.Value.UserID == data)
+                        presences.Add(p.Key);
+            }
+            else if (field == "SessionID")
+            {
+                UUID session = UUID.Zero;
+                if (UUID.TryParse(data, out session))
+                {
+                    if (m_presenceData.ContainsKey(session))
+                    {
+                        presences.Add(session);
+                    }
+                }
+            }
+            else if (field == "RegionID")
+            {
+                UUID region = UUID.Zero;
+                if (UUID.TryParse(data, out region))
+                {
+                    foreach (KeyValuePair<UUID, PresenceData> p in m_presenceData)
+                        if (p.Value.RegionID == region)
+                            presences.Add(p.Key);
+                }
+            }
+            else
+            {
+                foreach (KeyValuePair<UUID, PresenceData> p in m_presenceData)
+                {
+                    if (p.Value.Data.ContainsKey(field) && p.Value.Data[field] == data)
+                        presences.Add(p.Key);
+                }
+            }
+
+            foreach (UUID u in presences)
+                m_presenceData.Remove(u);
+
+            if (presences.Count == 0)
+                return false;
+
+            return true;
+        }
+
+    }
+}
diff --git a/OpenSim/Data/Null/NullRegionData.cs b/OpenSim/Data/Null/NullRegionData.cs
index e8263ea..5b9898c 100644
--- a/OpenSim/Data/Null/NullRegionData.cs
+++ b/OpenSim/Data/Null/NullRegionData.cs
@@ -31,20 +31,31 @@ using System.Collections.Generic;
 using OpenMetaverse;
 using OpenSim.Framework;
 using OpenSim.Data;
+using System.Reflection;
+using log4net;
 
 namespace OpenSim.Data.Null
 {
     public class NullRegionData : IRegionData
     {
+        private static NullRegionData Instance = null;
+
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
         Dictionary<UUID, RegionData> m_regionData = new Dictionary<UUID, RegionData>();
 
         public NullRegionData(string connectionString, string realm)
         {
+            if (Instance == null)
+                Instance = this;
             //Console.WriteLine("[XXX] NullRegionData constructor");
         }
 
         public List<RegionData> Get(string regionName, UUID scopeID)
         {
+            if (Instance != this)
+                return Instance.Get(regionName, scopeID);
+
             List<RegionData> ret = new List<RegionData>();
 
             foreach (RegionData r in m_regionData.Values)
@@ -69,6 +80,9 @@ namespace OpenSim.Data.Null
 
         public RegionData Get(int posX, int posY, UUID scopeID)
         {
+            if (Instance != this)
+                return Instance.Get(posX, posY, scopeID);
+
             List<RegionData> ret = new List<RegionData>();
 
             foreach (RegionData r in m_regionData.Values)
@@ -85,6 +99,9 @@ namespace OpenSim.Data.Null
 
         public RegionData Get(UUID regionID, UUID scopeID)
         {
+            if (Instance != this)
+                return Instance.Get(regionID, scopeID);
+
             if (m_regionData.ContainsKey(regionID))
                 return m_regionData[regionID];
 
@@ -93,6 +110,9 @@ namespace OpenSim.Data.Null
 
         public List<RegionData> Get(int startX, int startY, int endX, int endY, UUID scopeID)
         {
+            if (Instance != this)
+                return Instance.Get(startX, startY, endX, endY, scopeID);
+
             List<RegionData> ret = new List<RegionData>();
 
             foreach (RegionData r in m_regionData.Values)
@@ -106,6 +126,9 @@ namespace OpenSim.Data.Null
 
         public bool Store(RegionData data)
         {
+            if (Instance != this)
+                return Instance.Store(data);
+
             m_regionData[data.RegionID] = data;
 
             return true;
@@ -113,6 +136,9 @@ namespace OpenSim.Data.Null
 
         public bool SetDataItem(UUID regionID, string item, string value)
         {
+            if (Instance != this)
+                return Instance.SetDataItem(regionID, item, value);
+
             if (!m_regionData.ContainsKey(regionID))
                 return false;
 
@@ -123,6 +149,9 @@ namespace OpenSim.Data.Null
 
         public bool Delete(UUID regionID)
         {
+            if (Instance != this)
+                return Instance.Delete(regionID);
+
             if (!m_regionData.ContainsKey(regionID))
                 return false;
 
@@ -130,5 +159,37 @@ namespace OpenSim.Data.Null
 
             return true;
         }
+
+        public List<RegionData> GetDefaultRegions(UUID scopeID)
+        {
+            if (Instance != this)
+                return Instance.GetDefaultRegions(scopeID);
+
+            List<RegionData> ret = new List<RegionData>();
+
+            foreach (RegionData r in m_regionData.Values)
+            {
+                if ((Convert.ToInt32(r.Data["flags"]) & 1) != 0)
+                    ret.Add(r);
+            }
+
+            return ret;
+        }
+
+        public List<RegionData> GetFallbackRegions(UUID scopeID, int x, int y)
+        {
+            if (Instance != this)
+                return Instance.GetFallbackRegions(scopeID, x, y);
+
+            List<RegionData> ret = new List<RegionData>();
+
+            foreach (RegionData r in m_regionData.Values)
+            {
+                if ((Convert.ToInt32(r.Data["flags"]) & 2) != 0)
+                    ret.Add(r);
+            }
+
+            return ret;
+        }
     }
 }