whole lot more moving

1 files changed, 301 insertions, 0 deletions

diff --git a/OpenSim/Data/SQLite/SQLiteAssetData.cs b/OpenSim/Data/SQLite/SQLiteAssetData.cs
new file mode 100644
index 0000000..afa73b1
--- /dev/null
+++ b/OpenSim/Data/SQLite/SQLiteAssetData.cs
@@ -0,0 +1,301 @@
+/*
+ * 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 OpenSim 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.Data;
+using System.Reflection;
+using libsecondlife;
+using Mono.Data.SqliteClient;
+using OpenSim.Framework.Console;
+
+namespace OpenSim.Framework.Data.SQLite
+{
+    /// <summary>
+    /// A User storage interface for the DB4o database system
+    /// </summary>
+    public class SQLiteAssetData : AssetDataBase
+    {
+        private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
+
+        /// <summary>
+        /// The database manager
+        /// </summary>
+        /// <summary>
+        /// Artificial constructor called upon plugin load
+        /// </summary>
+        private const string SelectAssetSQL = "select * from assets where UUID=:UUID";
+        private const string DeleteAssetSQL = "delete from assets where UUID=:UUID";
+        private const string InsertAssetSQL = "insert into assets(UUID, Name, Description, Type, InvType, Local, Temporary, Data) values(:UUID, :Name, :Description, :Type, :InvType, :Local, :Temporary, :Data)";
+        private const string UpdateAssetSQL = "update assets set Name=:Name, Description=:Description, Type=:Type, InvType=:InvType, Local=:Local, Temporary=:Temporary, Data=:Data where UUID=:UUID"; 
+        private const string assetSelect = "select * from assets";
+
+        private SqliteConnection m_conn;
+
+        public void Initialise(string dbfile, string dbname)
+        {
+            m_conn = new SqliteConnection("URI=file:" + dbfile + ",version=3");
+            m_conn.Open();
+            TestTables(m_conn);
+            return;
+        }
+
+        override public AssetBase FetchAsset(LLUUID uuid)
+        {
+            
+            using (SqliteCommand cmd = new SqliteCommand(SelectAssetSQL, m_conn))
+            {
+                cmd.Parameters.Add(new SqliteParameter(":UUID", Util.ToRawUuidString(uuid)));
+                using (IDataReader reader = cmd.ExecuteReader()) 
+                {
+                    if (reader.Read())
+                    {
+                        AssetBase asset = buildAsset(reader);
+                        reader.Close();
+                        return asset;
+                    }
+                    else
+                    {
+                        reader.Close();
+                        return null;
+                    }
+                }
+            }
+        }
+
+        override public void CreateAsset(AssetBase asset)
+        {
+            m_log.Info("[SQLITE]: Creating Asset " + Util.ToRawUuidString(asset.FullID));
+            if (ExistsAsset(asset.FullID))
+            {
+                m_log.Info("[SQLITE]: Asset exists already, ignoring.");
+            }
+            else 
+            {
+                using (SqliteCommand cmd = new SqliteCommand(InsertAssetSQL, m_conn))
+                {
+                    cmd.Parameters.Add(new SqliteParameter(":UUID", Util.ToRawUuidString(asset.FullID)));
+                    cmd.Parameters.Add(new SqliteParameter(":Name", asset.Name));
+                    cmd.Parameters.Add(new SqliteParameter(":Description", asset.Description));
+                    cmd.Parameters.Add(new SqliteParameter(":Type", asset.Type));
+                    cmd.Parameters.Add(new SqliteParameter(":InvType", asset.InvType));
+                    cmd.Parameters.Add(new SqliteParameter(":Local", asset.Local));
+                    cmd.Parameters.Add(new SqliteParameter(":Temporary", asset.Temporary));
+                    cmd.Parameters.Add(new SqliteParameter(":Data", asset.Data));
+                    
+                    cmd.ExecuteNonQuery();
+                }
+            }
+        }
+
+        override public void UpdateAsset(AssetBase asset)
+        {
+            LogAssetLoad(asset);
+            
+            using (SqliteCommand cmd = new SqliteCommand(UpdateAssetSQL, m_conn))
+            {
+                cmd.Parameters.Add(new SqliteParameter(":UUID", Util.ToRawUuidString(asset.FullID)));
+                cmd.Parameters.Add(new SqliteParameter(":Name", asset.Name));
+                cmd.Parameters.Add(new SqliteParameter(":Description", asset.Description));
+                cmd.Parameters.Add(new SqliteParameter(":Type", asset.Type));
+                cmd.Parameters.Add(new SqliteParameter(":InvType", asset.InvType));
+                cmd.Parameters.Add(new SqliteParameter(":Local", asset.Local));
+                cmd.Parameters.Add(new SqliteParameter(":Temporary", asset.Temporary));
+                cmd.Parameters.Add(new SqliteParameter(":Data", asset.Data));
+                
+                cmd.ExecuteNonQuery();
+            }
+
+        }
+
+        private void LogAssetLoad(AssetBase asset)
+        {
+            string temporary = asset.Temporary ? "Temporary" : "Stored";
+            string local = asset.Local ? "Local" : "Remote";
+
+            int assetLength = (asset.Data != null) ? asset.Data.Length : 0;
+
+            m_log.Info("[SQLITE]: " +
+                                     string.Format("Loaded {6} {5} Asset: [{0}][{3}/{4}] \"{1}\":{2} ({7} bytes)",
+                                                   asset.FullID, asset.Name, asset.Description, asset.Type,
+                                                   asset.InvType, temporary, local, assetLength));
+        }
+
+        override public bool ExistsAsset(LLUUID uuid)
+        {
+            using (SqliteCommand cmd = new SqliteCommand(SelectAssetSQL, m_conn))
+            {
+                cmd.Parameters.Add(new SqliteParameter(":UUID", Util.ToRawUuidString(uuid)));
+                using (IDataReader reader = cmd.ExecuteReader()) 
+                {
+                    if(reader.Read())
+                    {
+                        reader.Close();
+                        return true;
+                    }
+                    else 
+                    {
+                        reader.Close();
+                        return false;
+                    }
+                }
+            }
+        }
+
+        public void DeleteAsset(LLUUID uuid)
+        {
+            using (SqliteCommand cmd = new SqliteCommand(DeleteAssetSQL, m_conn))
+            {
+                cmd.Parameters.Add(new SqliteParameter(":UUID", Util.ToRawUuidString(uuid)));
+                
+                cmd.ExecuteNonQuery();
+            }
+        }
+
+        override public void CommitAssets() // force a sync to the database
+        {
+            m_log.Info("[SQLITE]: Attempting commit");
+            // lock (ds)
+            //             {
+            //                 da.Update(ds, "assets");
+            //                 ds.AcceptChanges();
+            // }
+        }
+
+        /***********************************************************************
+         *
+         *  Database Definition Functions
+         * 
+         *  This should be db agnostic as we define them in ADO.NET terms
+         *
+         **********************************************************************/
+
+        private DataTable createAssetsTable()
+        {
+            DataTable assets = new DataTable("assets");
+
+            SQLiteUtil.createCol(assets, "UUID", typeof (String));
+            SQLiteUtil.createCol(assets, "Name", typeof (String));
+            SQLiteUtil.createCol(assets, "Description", typeof (String));
+            SQLiteUtil.createCol(assets, "Type", typeof (Int32));
+            SQLiteUtil.createCol(assets, "InvType", typeof (Int32));
+            SQLiteUtil.createCol(assets, "Local", typeof (Boolean));
+            SQLiteUtil.createCol(assets, "Temporary", typeof (Boolean));
+            SQLiteUtil.createCol(assets, "Data", typeof (Byte[]));
+            // Add in contraints
+            assets.PrimaryKey = new DataColumn[] {assets.Columns["UUID"]};
+            return assets;
+        }
+
+        /***********************************************************************
+         *  
+         *  Convert between ADO.NET <=> OpenSim Objects
+         *
+         *  These should be database independant
+         *
+         **********************************************************************/
+
+        private AssetBase buildAsset(IDataReader row)
+        {
+            // TODO: this doesn't work yet because something more
+            // interesting has to be done to actually get these values
+            // back out.  Not enough time to figure it out yet.
+            AssetBase asset = new AssetBase();
+
+            asset.FullID = new LLUUID((String) row["UUID"]);
+            asset.Name = (String) row["Name"];
+            asset.Description = (String) row["Description"];
+            asset.Type = Convert.ToSByte(row["Type"]);
+            asset.InvType = Convert.ToSByte(row["InvType"]);
+            asset.Local = Convert.ToBoolean(row["Local"]);
+            asset.Temporary = Convert.ToBoolean(row["Temporary"]);
+            asset.Data = (byte[]) row["Data"];
+            return asset;
+        }
+
+
+        /***********************************************************************
+         *
+         *  Database Binding functions
+         *
+         *  These will be db specific due to typing, and minor differences
+         *  in databases.
+         *
+         **********************************************************************/
+
+        private void InitDB(SqliteConnection conn)
+        {
+            string createAssets = SQLiteUtil.defineTable(createAssetsTable());
+            SqliteCommand pcmd = new SqliteCommand(createAssets, conn);
+            pcmd.ExecuteNonQuery();
+        }
+
+        private bool TestTables(SqliteConnection conn)
+        {
+            SqliteCommand cmd = new SqliteCommand(assetSelect, conn);
+            SqliteDataAdapter pDa = new SqliteDataAdapter(cmd);
+            DataSet tmpDS = new DataSet();
+            try
+            {
+                pDa.Fill(tmpDS, "assets");
+            }
+            catch (SqliteSyntaxException)
+            {
+                m_log.Info("[SQLITE]: SQLite Database doesn't exist... creating");
+                InitDB(conn);
+            }
+            return true;
+        }
+
+        #region IPlugin interface
+
+        override public string Version
+        {
+            get
+            {
+                Module module = 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);
+            }
+        }
+
+        override public void Initialise()
+        {
+            Initialise("AssetStorage.db", "");
+        }
+
+        override public string Name
+        {
+            get { return "SQLite Asset storage engine"; }
+        }
+
+        #endregion
+    }
+}