Fix a bug where estate not found would result in a dummy estate record with erroneous information.

Also, added conversion of EstateSettings from/to key-value pairs in preparation for robust net work connectors.

OpenSim/Data/MySQL/MySQLEstateData.cs

@@ -145,7 +145,11 @@ namespace OpenSim.Data.MySQL
                 cmd.CommandText = sql;
                 cmd.Parameters.AddWithValue("?RegionID", regionID.ToString());
 
-                return DoLoad(cmd, regionID, create);
+                EstateSettings e = DoLoad(cmd, regionID, create);
+                if (!create && e.EstateID == 0) // Not found
+                    return null;
+
+                return e;
             }
         }
 
@@ -427,7 +431,10 @@ namespace OpenSim.Data.MySQL
                 cmd.CommandText = sql;
                 cmd.Parameters.AddWithValue("?EstateID", estateID);
 
-                return DoLoad(cmd, UUID.Zero, false);
+                EstateSettings e =  DoLoad(cmd, UUID.Zero, false);
+                if (e.EstateID != estateID)
+                    return null;
+                return e;
             }
         }
         

OpenSim/Framework/EstateSettings.cs

@@ -28,6 +28,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Reflection;
 using OpenMetaverse;
 
 namespace OpenSim.Framework
@@ -411,5 +412,23 @@ namespace OpenSim.Framework
         {
             return l_EstateGroups.Contains(groupID);
         }
+
+        public Dictionary<string, object> ToMap()
+        {
+            Dictionary<string, object> map = new Dictionary<string, object>();
+            PropertyInfo[] properties = this.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
+            foreach (PropertyInfo p in properties)
+                map[p.Name] = p.GetValue(this, null);
+
+            return map;
+        }
+
+        public EstateSettings(Dictionary<string, object> map)
+        {
+            PropertyInfo[] properties = this.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
+            foreach (PropertyInfo p in properties)
+                p.SetValue(this, map[p.Name], null);
+
+        }
     }
 }