/* * 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; using OpenSim.Framework.Console; namespace OpenSim.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 } }