From c52c68f314c67c76c7181a6d0828f476290fbd66 Mon Sep 17 00:00:00 2001 From: Sean Dague Date: Wed, 2 Apr 2008 15:24:31 +0000 Subject: whole lot more moving --- OpenSim/Data/SQLite/SQLiteAssetData.cs | 301 +++++++++++++++++++++++++++++++++ 1 file changed, 301 insertions(+) create mode 100644 OpenSim/Data/SQLite/SQLiteAssetData.cs (limited to 'OpenSim/Data/SQLite/SQLiteAssetData.cs') 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 +{ + /// + /// A User storage interface for the DB4o database system + /// + public class SQLiteAssetData : AssetDataBase + { + private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); + + /// + /// The database manager + /// + /// + /// Artificial constructor called upon plugin load + /// + 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 + } +} -- cgit v1.1