Implement Dynamic Attributes for SOP and PBS. Implement storage in SQLite

OpenSim/Data/SQLite/SQLiteSimulationData.cs

@@ -1233,6 +1233,8 @@ namespace OpenSim.Data.SQLite
 
             createCol(prims, "MediaURL", typeof(String));
             
+            createCol(prims, "DynAttrs", typeof(String));
+
             // Add in contraints
             prims.PrimaryKey = new DataColumn[] { prims.Columns["UUID"] };
 
@@ -1280,6 +1282,7 @@ namespace OpenSim.Data.SQLite
             createCol(shapes, "Texture", typeof(Byte[]));
             createCol(shapes, "ExtraParams", typeof(Byte[]));
             createCol(shapes, "Media", typeof(String));
+            createCol(shapes, "DynAttrs", typeof(String));
 
             shapes.PrimaryKey = new DataColumn[] { shapes.Columns["UUID"] };
 
@@ -1712,6 +1715,16 @@ namespace OpenSim.Data.SQLite
                 prim.MediaUrl = (string)row["MediaURL"];
             }
             
+            if (!(row["DynAttrs"] is System.DBNull))
+            {
+                //m_log.DebugFormat("[SQLITE]: DynAttrs type [{0}]", row["DynAttrs"].GetType());
+                prim.DynAttrs = DynAttrsOSDMap.FromXml((string)row["DynAttrs"]);
+            }   
+            else
+            {
+                prim.DynAttrs = new DynAttrsOSDMap();
+            }
+
             return prim;
         }
 
@@ -2133,6 +2146,7 @@ namespace OpenSim.Data.SQLite
                 row["VolumeDetect"] = 0;
 
             row["MediaURL"] = prim.MediaUrl;
+            row["DynAttrs"] = prim.DynAttrs.ToXml();
         }
 
         /// <summary>
@@ -2393,6 +2407,11 @@ namespace OpenSim.Data.SQLite
             if (!(row["Media"] is System.DBNull))
                 s.Media = PrimitiveBaseShape.MediaList.FromXml((string)row["Media"]);
 
+            if (!(row["DynAttrs"] is System.DBNull))
+                s.DynAttrs = DynAttrsOSDMap.FromXml((string)row["DynAttrs"]);            
+            else
+                s.DynAttrs = new DynAttrsOSDMap();                
+                        
             return s;
         }
 
@@ -2439,6 +2458,8 @@ namespace OpenSim.Data.SQLite
 
             if (s.Media != null)
                 row["Media"] = s.Media.ToXml();
+            
+            row["DynAttrs"] = s.DynAttrs.ToXml();
         }
 
         /// <summary>

OpenSim/Framework/DynAttrsOSDMap.cs

@@ -0,0 +1,79 @@
+/*
+ * 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.IO;
+using System.Text;
+using System.Xml;
+using System.Xml.Schema;
+using System.Xml.Serialization;
+using OpenMetaverse;
+using OpenMetaverse.StructuredData;
+
+namespace OpenSim.Framework
+{
+    /// <summary>
+    /// This is the map for storing and retrieving dynamic attributes.
+    /// </summary>
+    public class DynAttrsOSDMap : OSDMap, IXmlSerializable
+    {    
+        public XmlSchema GetSchema() { return null; } 
+
+        public static DynAttrsOSDMap FromXml(string rawXml)
+        {
+            DynAttrsOSDMap map = new DynAttrsOSDMap();
+            map.ReadXml(rawXml);
+            return map;
+        }
+        
+        public void ReadXml(string rawXml)
+        {            
+            //System.Console.WriteLine("Trying to deserialize [{0}]", rawXml);
+            
+            OSDMap map = (OSDMap)OSDParser.DeserializeLLSDXml(rawXml);
+            
+            foreach (string key in map.Keys)
+                this[key] = map[key];            
+        }
+        
+        public void ReadXml(XmlReader reader)
+        { 
+            ReadXml(reader.ReadInnerXml());            
+        }
+        
+        public string ToXml()
+        {
+            return OSDParser.SerializeLLSDXmlString(this);
+        }
+
+        public void WriteXml(XmlWriter writer)
+        {
+            writer.WriteRaw(ToXml());
+        }                             
+    }
+}

OpenSim/Framework/PrimitiveBaseShape.cs

@@ -83,6 +83,11 @@ namespace OpenSim.Framework
 
         private static readonly byte[] DEFAULT_TEXTURE = new Primitive.TextureEntry(new UUID("89556747-24cb-43ed-920b-47caed15465f")).GetBytes();
         
+        /// <summary>
+        /// Dynamic attributes can be created and deleted as required.
+        /// </summary>
+        public DynAttrsOSDMap DynAttrs { get; set; }        
+
         private byte[] m_textureEntry;
 
         private ushort _pathBegin;
@@ -194,6 +199,7 @@ namespace OpenSim.Framework
         {
             PCode = (byte)PCodeEnum.Primitive;
             m_textureEntry = DEFAULT_TEXTURE;
+            DynAttrs = new DynAttrsOSDMap();
         }
 
         /// <summary>
@@ -205,6 +211,7 @@ namespace OpenSim.Framework
 //            m_log.DebugFormat("[PRIMITIVE BASE SHAPE]: Creating from {0}", prim.ID);
 
             PCode = (byte)prim.PrimData.PCode;
+            DynAttrs = new DynAttrsOSDMap();
 
             State = prim.PrimData.State;
             PathBegin = Primitive.PackBeginCut(prim.PrimData.PathBegin);

OpenSim/Region/Framework/Scenes/SceneObjectPart.cs

@@ -37,6 +37,7 @@ using System.Xml.Serialization;
 using log4net;
 using OpenMetaverse;
 using OpenMetaverse.Packets;
+using OpenMetaverse.StructuredData;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes.Scripting;
@@ -124,6 +125,11 @@ namespace OpenSim.Region.Framework.Scenes
         
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
+        /// <summary>
+        /// Dynamic attributes can be created and deleted as required.
+        /// </summary>
+        public DynAttrsOSDMap DynAttrs { get; set; }
+        
         /// <value>
         /// Is this a root part?
         /// </value>
@@ -335,6 +341,7 @@ namespace OpenSim.Region.Framework.Scenes
             m_particleSystem = Utils.EmptyBytes;
             Rezzed = DateTime.UtcNow;
             Description = String.Empty;
+            DynAttrs = new DynAttrsOSDMap();
 
             // Prims currently only contain a single folder (Contents).  From looking at the Second Life protocol,
             // this appears to have the same UUID (!) as the prim.  If this isn't the case, one can't drag items from