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-rw-r--r--OpenSim/Data/MySQL/MySQLXAssetData.cs416
-rw-r--r--OpenSim/Data/MySQL/Resources/XAssetStore.migrations27
2 files changed, 443 insertions, 0 deletions
diff --git a/OpenSim/Data/MySQL/MySQLXAssetData.cs b/OpenSim/Data/MySQL/MySQLXAssetData.cs
new file mode 100644
index 0000000..f15a9f3
--- /dev/null
+++ b/OpenSim/Data/MySQL/MySQLXAssetData.cs
@@ -0,0 +1,416 @@
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 OpenSimulator 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 System.Collections.Generic;
32using System.Text;
33using log4net;
34using MySql.Data.MySqlClient;
35using OpenMetaverse;
36using OpenSim.Framework;
37using OpenSim.Data;
38
39namespace OpenSim.Data.MySQL
40{
41 public class MySQLXAssetData : AssetDataBase
42 {
43 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
44
45 private string m_connectionString;
46 private object m_dbLock = new object();
47
48 protected virtual Assembly Assembly
49 {
50 get { return GetType().Assembly; }
51 }
52
53 #region IPlugin Members
54
55 public override string Version { get { return "1.0.0.0"; } }
56
57 /// <summary>
58 /// <para>Initialises Asset interface</para>
59 /// <para>
60 /// <list type="bullet">
61 /// <item>Loads and initialises the MySQL storage plugin.</item>
62 /// <item>Warns and uses the obsolete mysql_connection.ini if connect string is empty.</item>
63 /// <item>Check for migration</item>
64 /// </list>
65 /// </para>
66 /// </summary>
67 /// <param name="connect">connect string</param>
68 public override void Initialise(string connect)
69 {
70 m_connectionString = connect;
71
72 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
73 {
74 dbcon.Open();
75 Migration m = new Migration(dbcon, Assembly, "XAssetStore");
76 m.Update();
77 }
78 }
79
80 public override void Initialise()
81 {
82 throw new NotImplementedException();
83 }
84
85 public override void Dispose() { }
86
87 /// <summary>
88 /// The name of this DB provider
89 /// </summary>
90 override public string Name
91 {
92 get { return "MySQL XAsset storage engine"; }
93 }
94
95 #endregion
96
97 #region IAssetDataPlugin Members
98
99 /// <summary>
100 /// Fetch Asset <paramref name="assetID"/> from database
101 /// </summary>
102 /// <param name="assetID">Asset UUID to fetch</param>
103 /// <returns>Return the asset</returns>
104 /// <remarks>On failure : throw an exception and attempt to reconnect to database</remarks>
105 override public AssetBase GetAsset(UUID assetID)
106 {
107 AssetBase asset = null;
108 lock (m_dbLock)
109 {
110 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
111 {
112 dbcon.Open();
113
114 string hash = null;
115
116 using (MySqlCommand cmd = new MySqlCommand(
117 "SELECT name, hash, description, asset_type, local, temporary, asset_flags, creator_id FROM xassetsmeta WHERE id=?id",
118 dbcon))
119 {
120 cmd.Parameters.AddWithValue("?id", assetID.ToString());
121
122 try
123 {
124 using (MySqlDataReader dbReader = cmd.ExecuteReader(CommandBehavior.SingleRow))
125 {
126 if (dbReader.Read())
127 {
128 asset = new AssetBase(assetID, (string)dbReader["name"], (sbyte)dbReader["asset_type"], dbReader["creator_id"].ToString());
129 hash = (string)dbReader["hash"];
130 asset.Description = (string)dbReader["description"];
131
132 string local = dbReader["local"].ToString();
133 if (local.Equals("1") || local.Equals("true", StringComparison.InvariantCultureIgnoreCase))
134 asset.Local = true;
135 else
136 asset.Local = false;
137
138 asset.Temporary = Convert.ToBoolean(dbReader["temporary"]);
139 asset.Flags = (AssetFlags)Convert.ToInt32(dbReader["asset_flags"]);
140 }
141 }
142 }
143 catch (Exception e)
144 {
145 m_log.Error("[MYSQL XASSET DATA]: MySql failure fetching asset " + assetID + ": " + e.Message);
146 }
147 }
148
149 if (asset == null)
150 return null;
151
152 m_log.DebugFormat(
153 "[MYSQL XASSET DATA]: Looking for asset {0} {1} with hash {2}", asset.FullID, asset.Name, hash);
154
155 using (MySqlCommand cmd = new MySqlCommand(
156 "SELECT data FROM xassetsdata WHERE hash=?hash",
157 dbcon))
158 {
159 cmd.Parameters.AddWithValue("?hash", hash);
160
161 try
162 {
163 using (MySqlDataReader dbReader = cmd.ExecuteReader(CommandBehavior.SingleRow))
164 {
165 if (dbReader.Read())
166 asset.Data = (byte[])dbReader["data"];
167 }
168 }
169 catch (Exception e)
170 {
171 m_log.Error("[MYSQL XASSET DATA]: MySql failure fetching asset metadata " + assetID + ": " + e.Message);
172 }
173 }
174 }
175 }
176
177 return asset;
178 }
179
180 /// <summary>
181 /// Create an asset in database, or update it if existing.
182 /// </summary>
183 /// <param name="asset">Asset UUID to create</param>
184 /// <remarks>On failure : Throw an exception and attempt to reconnect to database</remarks>
185 override public void StoreAsset(AssetBase asset)
186 {
187 lock (m_dbLock)
188 {
189 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
190 {
191 dbcon.Open();
192
193 string assetName = asset.Name;
194 if (asset.Name.Length > 64)
195 {
196 assetName = asset.Name.Substring(0, 64);
197 m_log.Warn("[XASSET DB]: Name field truncated from " + asset.Name.Length + " to " + assetName.Length + " characters on add");
198 }
199
200 string assetDescription = asset.Description;
201 if (asset.Description.Length > 64)
202 {
203 assetDescription = asset.Description.Substring(0, 64);
204 m_log.Warn("[XASSET DB]: Description field truncated from " + asset.Description.Length + " to " + assetDescription.Length + " characters on add");
205 }
206
207 string hash = Util.SHA1Hash(asset.Data);
208
209 try
210 {
211 using (MySqlCommand cmd =
212 new MySqlCommand(
213 "replace INTO xassetsmeta(id, hash, name, description, asset_type, local, temporary, create_time, access_time, asset_flags, creator_id)" +
214 "VALUES(?id, ?hash, ?name, ?description, ?asset_type, ?local, ?temporary, ?create_time, ?access_time, ?asset_flags, ?creator_id)",
215 dbcon))
216 {
217 // create unix epoch time
218 int now = (int)Utils.DateTimeToUnixTime(DateTime.UtcNow);
219 cmd.Parameters.AddWithValue("?id", asset.ID);
220 cmd.Parameters.AddWithValue("?hash", hash);
221 cmd.Parameters.AddWithValue("?name", assetName);
222 cmd.Parameters.AddWithValue("?description", assetDescription);
223 cmd.Parameters.AddWithValue("?asset_type", asset.Type);
224 cmd.Parameters.AddWithValue("?local", asset.Local);
225 cmd.Parameters.AddWithValue("?temporary", asset.Temporary);
226 cmd.Parameters.AddWithValue("?create_time", now);
227 cmd.Parameters.AddWithValue("?access_time", now);
228 cmd.Parameters.AddWithValue("?creator_id", asset.Metadata.CreatorID);
229 cmd.Parameters.AddWithValue("?asset_flags", (int)asset.Flags);
230 cmd.Parameters.AddWithValue("?data", asset.Data);
231 cmd.ExecuteNonQuery();
232 cmd.Dispose();
233 }
234 }
235 catch (Exception e)
236 {
237 m_log.ErrorFormat("[ASSET DB]: MySQL failure creating asset metadata {0} with name \"{1}\". Error: {2}",
238 asset.FullID, asset.Name, e.Message);
239 }
240
241 try
242 {
243 using (MySqlCommand cmd =
244 new MySqlCommand(
245 "replace INTO xassetsdata(hash, data) VALUES(?hash, ?data)",
246 dbcon))
247 {
248 cmd.Parameters.AddWithValue("?hash", hash);
249 cmd.Parameters.AddWithValue("?data", asset.Data);
250 cmd.ExecuteNonQuery();
251 cmd.Dispose();
252 }
253 }
254 catch (Exception e)
255 {
256 m_log.ErrorFormat("[XASSET DB]: MySQL failure creating asset data {0} with name \"{1}\". Error: {2}",
257 asset.FullID, asset.Name, e.Message);
258 }
259 }
260 }
261 }
262
263// private void UpdateAccessTime(AssetBase asset)
264// {
265// lock (m_dbLock)
266// {
267// using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
268// {
269// dbcon.Open();
270// MySqlCommand cmd =
271// new MySqlCommand("update assets set access_time=?access_time where id=?id",
272// dbcon);
273//
274// // need to ensure we dispose
275// try
276// {
277// using (cmd)
278// {
279// // create unix epoch time
280// int now = (int)Utils.DateTimeToUnixTime(DateTime.UtcNow);
281// cmd.Parameters.AddWithValue("?id", asset.ID);
282// cmd.Parameters.AddWithValue("?access_time", now);
283// cmd.ExecuteNonQuery();
284// cmd.Dispose();
285// }
286// }
287// catch (Exception e)
288// {
289// m_log.ErrorFormat(
290// "[ASSETS DB]: " +
291// "MySql failure updating access_time for asset {0} with name {1}" + Environment.NewLine + e.ToString()
292// + Environment.NewLine + "Attempting reconnection", asset.FullID, asset.Name);
293// }
294// }
295// }
296//
297// }
298
299 /// <summary>
300 /// Check if the asset exists in the database
301 /// </summary>
302 /// <param name="uuid">The asset UUID</param>
303 /// <returns>true if it exists, false otherwise.</returns>
304 override public bool ExistsAsset(UUID uuid)
305 {
306// m_log.DebugFormat("[ASSETS DB]: Checking for asset {0}", uuid);
307
308 bool assetExists = false;
309
310 lock (m_dbLock)
311 {
312 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
313 {
314 dbcon.Open();
315 using (MySqlCommand cmd = new MySqlCommand("SELECT id FROM xassetsmeta WHERE id=?id", dbcon))
316 {
317 cmd.Parameters.AddWithValue("?id", uuid.ToString());
318
319 try
320 {
321 using (MySqlDataReader dbReader = cmd.ExecuteReader(CommandBehavior.SingleRow))
322 {
323 if (dbReader.Read())
324 {
325// m_log.DebugFormat("[ASSETS DB]: Found asset {0}", uuid);
326 assetExists = true;
327 }
328 }
329 }
330 catch (Exception e)
331 {
332 m_log.ErrorFormat(
333 "[XASSETS DB]: MySql failure fetching asset {0}" + Environment.NewLine + e.ToString(), uuid);
334 }
335 }
336 }
337 }
338
339 return assetExists;
340 }
341
342 /// <summary>
343 /// Returns a list of AssetMetadata objects. The list is a subset of
344 /// the entire data set offset by <paramref name="start" /> containing
345 /// <paramref name="count" /> elements.
346 /// </summary>
347 /// <param name="start">The number of results to discard from the total data set.</param>
348 /// <param name="count">The number of rows the returned list should contain.</param>
349 /// <returns>A list of AssetMetadata objects.</returns>
350 public override List<AssetMetadata> FetchAssetMetadataSet(int start, int count)
351 {
352 List<AssetMetadata> retList = new List<AssetMetadata>(count);
353
354 lock (m_dbLock)
355 {
356 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
357 {
358 dbcon.Open();
359 MySqlCommand cmd = new MySqlCommand("SELECT name,description,asset_type,temporary,id,asset_flags,creator_id FROM xassetsmeta LIMIT ?start, ?count", dbcon);
360 cmd.Parameters.AddWithValue("?start", start);
361 cmd.Parameters.AddWithValue("?count", count);
362
363 try
364 {
365 using (MySqlDataReader dbReader = cmd.ExecuteReader())
366 {
367 while (dbReader.Read())
368 {
369 AssetMetadata metadata = new AssetMetadata();
370 metadata.Name = (string)dbReader["name"];
371 metadata.Description = (string)dbReader["description"];
372 metadata.Type = (sbyte)dbReader["asset_type"];
373 metadata.Temporary = Convert.ToBoolean(dbReader["temporary"]); // Not sure if this is correct.
374 metadata.Flags = (AssetFlags)Convert.ToInt32(dbReader["asset_flags"]);
375 metadata.FullID = DBGuid.FromDB(dbReader["id"]);
376 metadata.CreatorID = dbReader["creator_id"].ToString();
377 metadata.SHA1 = Encoding.Default.GetBytes((string)dbReader["hash"]);
378
379 retList.Add(metadata);
380 }
381 }
382 }
383 catch (Exception e)
384 {
385 m_log.Error("[XASSETS DB]: MySql failure fetching asset set" + Environment.NewLine + e.ToString());
386 }
387 }
388 }
389
390 return retList;
391 }
392
393 public override bool Delete(string id)
394 {
395 lock (m_dbLock)
396 {
397 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
398 {
399 dbcon.Open();
400 MySqlCommand cmd = new MySqlCommand("delete from xassetsmeta where id=?id", dbcon);
401 cmd.Parameters.AddWithValue("?id", id);
402 cmd.ExecuteNonQuery();
403
404 cmd.Dispose();
405
406 // TODO: How do we deal with data from deleted assets? Probably not easily reapable unless we
407 // keep a reference count (?)
408 }
409 }
410
411 return true;
412 }
413
414 #endregion
415 }
416} \ No newline at end of file
diff --git a/OpenSim/Data/MySQL/Resources/XAssetStore.migrations b/OpenSim/Data/MySQL/Resources/XAssetStore.migrations
new file mode 100644
index 0000000..b89eab2
--- /dev/null
+++ b/OpenSim/Data/MySQL/Resources/XAssetStore.migrations
@@ -0,0 +1,27 @@
1# -----------------
2:VERSION 1
3
4BEGIN;
5
6CREATE TABLE `xassetsmeta` (
7 `id` char(36) NOT NULL,
8 `hash` char(64) NOT NULL,
9 `name` varchar(64) NOT NULL,
10 `description` varchar(64) NOT NULL,
11 `asset_type` tinyint(4) NOT NULL,
12 `local` tinyint(1) NOT NULL,
13 `temporary` tinyint(1) NOT NULL,
14 `create_time` int(11) NOT NULL,
15 `access_time` int(11) NOT NULL,
16 `asset_flags` int(11) NOT NULL,
17 `creator_id` varchar(128) NOT NULL,
18 PRIMARY KEY (`id`)
19) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Version 1';
20
21CREATE TABLE `xassetsdata` (
22 `hash` char(64) NOT NULL,
23 `data` longblob NOT NULL,
24 PRIMARY KEY (`hash`)
25) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Version 1';
26
27COMMIT; \ No newline at end of file
generated by cgit v1.1 at 2024-11-14 12:30:50 +0000