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diff --git a/OpenSim/Framework/Data.SQLite/SQLiteAssetData.cs b/OpenSim/Framework/Data.SQLite/SQLiteAssetData.cs
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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSim Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using System.Data;
30using System.Reflection;
31using libsecondlife;
32using Mono.Data.SqliteClient;
33using OpenSim.Framework.Console;
34
35namespace OpenSim.Framework.Data.SQLite
36{
37 /// <summary>
38 /// A User storage interface for the DB4o database system
39 /// </summary>
40 public class SQLiteAssetData : AssetDataBase
41 {
42 private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
43
44 /// <summary>
45 /// The database manager
46 /// </summary>
47 /// <summary>
48 /// Artificial constructor called upon plugin load
49 /// </summary>
50 private const string SelectAssetSQL = "select * from assets where UUID=:UUID";
51 private const string DeleteAssetSQL = "delete from assets where UUID=:UUID";
52 private const string InsertAssetSQL = "insert into assets(UUID, Name, Description, Type, InvType, Local, Temporary, Data) values(:UUID, :Name, :Description, :Type, :InvType, :Local, :Temporary, :Data)";
53 private const string UpdateAssetSQL = "update assets set Name=:Name, Description=:Description, Type=:Type, InvType=:InvType, Local=:Local, Temporary=:Temporary, Data=:Data where UUID=:UUID";
54 private const string assetSelect = "select * from assets";
55
56 private SqliteConnection m_conn;
57
58 public void Initialise(string dbfile, string dbname)
59 {
60 m_conn = new SqliteConnection("URI=file:" + dbfile + ",version=3");
61 m_conn.Open();
62 TestTables(m_conn);
63 return;
64 }
65
66 override public AssetBase FetchAsset(LLUUID uuid)
67 {
68
69 using (SqliteCommand cmd = new SqliteCommand(SelectAssetSQL, m_conn))
70 {
71 cmd.Parameters.Add(new SqliteParameter(":UUID", Util.ToRawUuidString(uuid)));
72 using (IDataReader reader = cmd.ExecuteReader())
73 {
74 if (reader.Read())
75 {
76 AssetBase asset = buildAsset(reader);
77 reader.Close();
78 return asset;
79 }
80 else
81 {
82 reader.Close();
83 return null;
84 }
85 }
86 }
87 }
88
89 override public void CreateAsset(AssetBase asset)
90 {
91 m_log.Info("[SQLITE]: Creating Asset " + Util.ToRawUuidString(asset.FullID));
92 if (ExistsAsset(asset.FullID))
93 {
94 m_log.Info("[SQLITE]: Asset exists already, ignoring.");
95 }
96 else
97 {
98 using (SqliteCommand cmd = new SqliteCommand(InsertAssetSQL, m_conn))
99 {
100 cmd.Parameters.Add(new SqliteParameter(":UUID", Util.ToRawUuidString(asset.FullID)));
101 cmd.Parameters.Add(new SqliteParameter(":Name", asset.Name));
102 cmd.Parameters.Add(new SqliteParameter(":Description", asset.Description));
103 cmd.Parameters.Add(new SqliteParameter(":Type", asset.Type));
104 cmd.Parameters.Add(new SqliteParameter(":InvType", asset.InvType));
105 cmd.Parameters.Add(new SqliteParameter(":Local", asset.Local));
106 cmd.Parameters.Add(new SqliteParameter(":Temporary", asset.Temporary));
107 cmd.Parameters.Add(new SqliteParameter(":Data", asset.Data));
108
109 cmd.ExecuteNonQuery();
110 }
111 }
112 }
113
114 override public void UpdateAsset(AssetBase asset)
115 {
116 LogAssetLoad(asset);
117
118 using (SqliteCommand cmd = new SqliteCommand(UpdateAssetSQL, m_conn))
119 {
120 cmd.Parameters.Add(new SqliteParameter(":UUID", Util.ToRawUuidString(asset.FullID)));
121 cmd.Parameters.Add(new SqliteParameter(":Name", asset.Name));
122 cmd.Parameters.Add(new SqliteParameter(":Description", asset.Description));
123 cmd.Parameters.Add(new SqliteParameter(":Type", asset.Type));
124 cmd.Parameters.Add(new SqliteParameter(":InvType", asset.InvType));
125 cmd.Parameters.Add(new SqliteParameter(":Local", asset.Local));
126 cmd.Parameters.Add(new SqliteParameter(":Temporary", asset.Temporary));
127 cmd.Parameters.Add(new SqliteParameter(":Data", asset.Data));
128
129 cmd.ExecuteNonQuery();
130 }
131
132 }
133
134 private void LogAssetLoad(AssetBase asset)
135 {
136 string temporary = asset.Temporary ? "Temporary" : "Stored";
137 string local = asset.Local ? "Local" : "Remote";
138
139 int assetLength = (asset.Data != null) ? asset.Data.Length : 0;
140
141 m_log.Info("[SQLITE]: " +
142 string.Format("Loaded {6} {5} Asset: [{0}][{3}/{4}] \"{1}\":{2} ({7} bytes)",
143 asset.FullID, asset.Name, asset.Description, asset.Type,
144 asset.InvType, temporary, local, assetLength));
145 }
146
147 override public bool ExistsAsset(LLUUID uuid)
148 {
149 using (SqliteCommand cmd = new SqliteCommand(SelectAssetSQL, m_conn))
150 {
151 cmd.Parameters.Add(new SqliteParameter(":UUID", Util.ToRawUuidString(uuid)));
152 using (IDataReader reader = cmd.ExecuteReader())
153 {
154 if(reader.Read())
155 {
156 reader.Close();
157 return true;
158 }
159 else
160 {
161 reader.Close();
162 return false;
163 }
164 }
165 }
166 }
167
168 public void DeleteAsset(LLUUID uuid)
169 {
170 using (SqliteCommand cmd = new SqliteCommand(DeleteAssetSQL, m_conn))
171 {
172 cmd.Parameters.Add(new SqliteParameter(":UUID", Util.ToRawUuidString(uuid)));
173
174 cmd.ExecuteNonQuery();
175 }
176 }
177
178 override public void CommitAssets() // force a sync to the database
179 {
180 m_log.Info("[SQLITE]: Attempting commit");
181 // lock (ds)
182 // {
183 // da.Update(ds, "assets");
184 // ds.AcceptChanges();
185 // }
186 }
187
188 /***********************************************************************
189 *
190 * Database Definition Functions
191 *
192 * This should be db agnostic as we define them in ADO.NET terms
193 *
194 **********************************************************************/
195
196 private DataTable createAssetsTable()
197 {
198 DataTable assets = new DataTable("assets");
199
200 SQLiteUtil.createCol(assets, "UUID", typeof (String));
201 SQLiteUtil.createCol(assets, "Name", typeof (String));
202 SQLiteUtil.createCol(assets, "Description", typeof (String));
203 SQLiteUtil.createCol(assets, "Type", typeof (Int32));
204 SQLiteUtil.createCol(assets, "InvType", typeof (Int32));
205 SQLiteUtil.createCol(assets, "Local", typeof (Boolean));
206 SQLiteUtil.createCol(assets, "Temporary", typeof (Boolean));
207 SQLiteUtil.createCol(assets, "Data", typeof (Byte[]));
208 // Add in contraints
209 assets.PrimaryKey = new DataColumn[] {assets.Columns["UUID"]};
210 return assets;
211 }
212
213 /***********************************************************************
214 *
215 * Convert between ADO.NET <=> OpenSim Objects
216 *
217 * These should be database independant
218 *
219 **********************************************************************/
220
221 private AssetBase buildAsset(IDataReader row)
222 {
223 // TODO: this doesn't work yet because something more
224 // interesting has to be done to actually get these values
225 // back out. Not enough time to figure it out yet.
226 AssetBase asset = new AssetBase();
227
228 asset.FullID = new LLUUID((String) row["UUID"]);
229 asset.Name = (String) row["Name"];
230 asset.Description = (String) row["Description"];
231 asset.Type = Convert.ToSByte(row["Type"]);
232 asset.InvType = Convert.ToSByte(row["InvType"]);
233 asset.Local = Convert.ToBoolean(row["Local"]);
234 asset.Temporary = Convert.ToBoolean(row["Temporary"]);
235 asset.Data = (byte[]) row["Data"];
236 return asset;
237 }
238
239
240 /***********************************************************************
241 *
242 * Database Binding functions
243 *
244 * These will be db specific due to typing, and minor differences
245 * in databases.
246 *
247 **********************************************************************/
248
249 private void InitDB(SqliteConnection conn)
250 {
251 string createAssets = SQLiteUtil.defineTable(createAssetsTable());
252 SqliteCommand pcmd = new SqliteCommand(createAssets, conn);
253 pcmd.ExecuteNonQuery();
254 }
255
256 private bool TestTables(SqliteConnection conn)
257 {
258 SqliteCommand cmd = new SqliteCommand(assetSelect, conn);
259 SqliteDataAdapter pDa = new SqliteDataAdapter(cmd);
260 DataSet tmpDS = new DataSet();
261 try
262 {
263 pDa.Fill(tmpDS, "assets");
264 }
265 catch (SqliteSyntaxException)
266 {
267 m_log.Info("[SQLITE]: SQLite Database doesn't exist... creating");
268 InitDB(conn);
269 }
270 return true;
271 }
272
273 #region IPlugin interface
274
275 override public string Version
276 {
277 get
278 {
279 Module module = GetType().Module;
280 string dllName = module.Assembly.ManifestModule.Name;
281 Version dllVersion = module.Assembly.GetName().Version;
282
283 return
284 string.Format("{0}.{1}.{2}.{3}", dllVersion.Major, dllVersion.Minor, dllVersion.Build,
285 dllVersion.Revision);
286 }
287 }
288
289 override public void Initialise()
290 {
291 Initialise("AssetStorage.db", "");
292 }
293
294 override public string Name
295 {
296 get { return "SQLite Asset storage engine"; }
297 }
298
299 #endregion
300 }
301}