Asset server implementation. Again one of these "plumbing" releases, where no real functionality has been introduced, but ground work has been made, enabling the asset server, and preparing the sim server to query the asset server.

Introduced an "IPlugin" interface, which plugins can inherit from.

OpenSim/Framework/Data.MySQL/MySQLManager.cs

@@ -26,10 +26,14 @@
 * 
 */
 using System;
-using System.Collections.Generic;
+using System.IO;
 using System.Data;
+using System.Reflection;
+using System.Collections.Generic;
 using libsecondlife;
+
 using MySql.Data.MySqlClient;
+
 using OpenSim.Framework.Types;
 using OpenSim.Framework.Console;
 
@@ -113,6 +117,88 @@ namespace OpenSim.Framework.Data.MySQL
             }
         }
 
+        /// <summary>
+        /// Returns the version of this DB provider
+        /// </summary>
+        /// <returns>A string containing the DB provider</returns>
+        public string getVersion()
+        {
+            System.Reflection.Module module = this.GetType().Module;
+            string dllName = module.Assembly.ManifestModule.Name;
+            Version dllVersion = module.Assembly.GetName().Version;
+
+
+            return string.Format("{0}.{1}.{2}.{3}", dllVersion.Major, dllVersion.Minor, dllVersion.Build, dllVersion.Revision);
+        }
+
+        
+        /// <summary>
+        /// Extract a named string resource from the embedded resources
+        /// </summary>
+        /// <param name="name">name of embedded resource</param>
+        /// <returns>string contained within the embedded resource</returns>
+        private string getResourceString(string name)
+        {
+            Assembly assem = this.GetType().Assembly;
+            string[] names = assem.GetManifestResourceNames();
+
+            foreach (string s in names)
+                if (s.EndsWith(name))
+                    using (Stream resource = assem.GetManifestResourceStream(s))
+                    {
+                        using (StreamReader resourceReader = new StreamReader(resource))
+                        {
+                            string resourceString = resourceReader.ReadToEnd();
+                            return resourceString;
+                        }
+                    }
+            throw new Exception(string.Format("Resource '{0}' was not found", name));
+        }
+
+        /// <summary>
+        /// Execute a SQL statement stored in a resource, as a string
+        /// </summary>
+        /// <param name="name"></param>
+        public void ExecuteResourceSql(string name)
+        {
+            MySqlCommand cmd = new MySqlCommand(getResourceString(name), dbcon);
+            cmd.ExecuteNonQuery();
+        }
+
+        /// <summary>
+        /// Given a list of tables, return the version of the tables, as seen in the database
+        /// </summary>
+        /// <param name="tableList"></param>
+        public void GetTableVersion(Dictionary<string, string> tableList)
+        {
+            lock (dbcon)
+            {
+                MySqlCommand tablesCmd = new MySqlCommand("SELECT TABLE_NAME, TABLE_COMMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA=?dbname", dbcon);
+                tablesCmd.Parameters.AddWithValue("?dbname", dbcon.Database);
+                using (MySqlDataReader tables = tablesCmd.ExecuteReader())
+                {
+                    while (tables.Read())
+                    {
+                        try
+                        {
+                            string tableName = (string)tables["TABLE_NAME"];
+                            string comment = (string)tables["TABLE_COMMENT"];
+                            if(tableList.ContainsKey(tableName))
+                                tableList[tableName] = comment;
+                        }
+                        catch (Exception e)
+                        {
+                            MainLog.Instance.Error(e.ToString());
+                        }
+                    }
+                    tables.Close();
+                }
+            }
+        }
+
+
+        // at some time this code should be cleaned up
+        
         /// <summary>
         /// Runs a query with protection against SQL Injection by using parameterised input.
         /// </summary>
@@ -127,7 +213,7 @@ namespace OpenSim.Framework.Data.MySQL
                 dbcommand.CommandText = sql;
                 foreach (KeyValuePair<string, string> param in parameters)
                 {
-                    dbcommand.Parameters.Add(param.Key, param.Value);
+                    dbcommand.Parameters.AddWithValue(param.Key, param.Value);
                 }
 
                 return (IDbCommand)dbcommand;
@@ -161,7 +247,7 @@ namespace OpenSim.Framework.Data.MySQL
                         dbcommand.CommandText = sql;
                         foreach (KeyValuePair<string, string> param in parameters)
                         {
-                            dbcommand.Parameters.Add(param.Key, param.Value);
+                            dbcommand.Parameters.AddWithValue(param.Key, param.Value);
                         }
 
                         return (IDbCommand)dbcommand;