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-rw-r--r--OpenSim/Data/MySQL/MySQLXAssetData.cs392
-rw-r--r--OpenSim/Data/MySQL/Resources/XAssetStore.migrations27
2 files changed, 419 insertions, 0 deletions
diff --git a/OpenSim/Data/MySQL/MySQLXAssetData.cs b/OpenSim/Data/MySQL/MySQLXAssetData.cs
new file mode 100644
index 0000000..0dadf5e
--- /dev/null
+++ b/OpenSim/Data/MySQL/MySQLXAssetData.cs
@@ -0,0 +1,392 @@
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// m_log.DebugFormat("[MYSQL XASSET DATA]: Looking for asset {0}", assetID);
108
109 AssetBase asset = null;
110 lock (m_dbLock)
111 {
112 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
113 {
114 dbcon.Open();
115
116 string hash = null;
117
118 using (MySqlCommand cmd = new MySqlCommand(
119 "SELECT name, description, asset_type, local, temporary, asset_flags, creator_id, data FROM xassetsmeta JOIN xassetsdata ON xassetsmeta.hash = xassetsdata.hash WHERE id=?id",
120 dbcon))
121 {
122 cmd.Parameters.AddWithValue("?id", assetID.ToString());
123
124 try
125 {
126 using (MySqlDataReader dbReader = cmd.ExecuteReader(CommandBehavior.SingleRow))
127 {
128 if (dbReader.Read())
129 {
130 asset = new AssetBase(assetID, (string)dbReader["name"], (sbyte)dbReader["asset_type"], dbReader["creator_id"].ToString());
131 asset.Data = (byte[])dbReader["data"];
132 asset.Description = (string)dbReader["description"];
133
134 string local = dbReader["local"].ToString();
135 if (local.Equals("1") || local.Equals("true", StringComparison.InvariantCultureIgnoreCase))
136 asset.Local = true;
137 else
138 asset.Local = false;
139
140 asset.Temporary = Convert.ToBoolean(dbReader["temporary"]);
141 asset.Flags = (AssetFlags)Convert.ToInt32(dbReader["asset_flags"]);
142 }
143 }
144 }
145 catch (Exception e)
146 {
147 m_log.Error("[MYSQL XASSET DATA]: MySql failure fetching asset " + assetID + ": " + e.Message);
148 }
149 }
150 }
151 }
152
153 return asset;
154 }
155
156 /// <summary>
157 /// Create an asset in database, or update it if existing.
158 /// </summary>
159 /// <param name="asset">Asset UUID to create</param>
160 /// <remarks>On failure : Throw an exception and attempt to reconnect to database</remarks>
161 override public void StoreAsset(AssetBase asset)
162 {
163 lock (m_dbLock)
164 {
165 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
166 {
167 dbcon.Open();
168
169 string assetName = asset.Name;
170 if (asset.Name.Length > 64)
171 {
172 assetName = asset.Name.Substring(0, 64);
173 m_log.Warn("[XASSET DB]: Name field truncated from " + asset.Name.Length + " to " + assetName.Length + " characters on add");
174 }
175
176 string assetDescription = asset.Description;
177 if (asset.Description.Length > 64)
178 {
179 assetDescription = asset.Description.Substring(0, 64);
180 m_log.Warn("[XASSET DB]: Description field truncated from " + asset.Description.Length + " to " + assetDescription.Length + " characters on add");
181 }
182
183 string hash = Util.SHA1Hash(asset.Data);
184
185 try
186 {
187 using (MySqlCommand cmd =
188 new MySqlCommand(
189 "replace INTO xassetsmeta(id, hash, name, description, asset_type, local, temporary, create_time, access_time, asset_flags, creator_id)" +
190 "VALUES(?id, ?hash, ?name, ?description, ?asset_type, ?local, ?temporary, ?create_time, ?access_time, ?asset_flags, ?creator_id)",
191 dbcon))
192 {
193 // create unix epoch time
194 int now = (int)Utils.DateTimeToUnixTime(DateTime.UtcNow);
195 cmd.Parameters.AddWithValue("?id", asset.ID);
196 cmd.Parameters.AddWithValue("?hash", hash);
197 cmd.Parameters.AddWithValue("?name", assetName);
198 cmd.Parameters.AddWithValue("?description", assetDescription);
199 cmd.Parameters.AddWithValue("?asset_type", asset.Type);
200 cmd.Parameters.AddWithValue("?local", asset.Local);
201 cmd.Parameters.AddWithValue("?temporary", asset.Temporary);
202 cmd.Parameters.AddWithValue("?create_time", now);
203 cmd.Parameters.AddWithValue("?access_time", now);
204 cmd.Parameters.AddWithValue("?creator_id", asset.Metadata.CreatorID);
205 cmd.Parameters.AddWithValue("?asset_flags", (int)asset.Flags);
206 cmd.Parameters.AddWithValue("?data", asset.Data);
207 cmd.ExecuteNonQuery();
208 cmd.Dispose();
209 }
210 }
211 catch (Exception e)
212 {
213 m_log.ErrorFormat("[ASSET DB]: MySQL failure creating asset metadata {0} with name \"{1}\". Error: {2}",
214 asset.FullID, asset.Name, e.Message);
215 }
216
217 try
218 {
219 using (MySqlCommand cmd =
220 new MySqlCommand(
221 "replace INTO xassetsdata(hash, data) VALUES(?hash, ?data)",
222 dbcon))
223 {
224 cmd.Parameters.AddWithValue("?hash", hash);
225 cmd.Parameters.AddWithValue("?data", asset.Data);
226 cmd.ExecuteNonQuery();
227 cmd.Dispose();
228 }
229 }
230 catch (Exception e)
231 {
232 m_log.ErrorFormat("[XASSET DB]: MySQL failure creating asset data {0} with name \"{1}\". Error: {2}",
233 asset.FullID, asset.Name, e.Message);
234 }
235 }
236 }
237 }
238
239// private void UpdateAccessTime(AssetBase asset)
240// {
241// lock (m_dbLock)
242// {
243// using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
244// {
245// dbcon.Open();
246// MySqlCommand cmd =
247// new MySqlCommand("update assets set access_time=?access_time where id=?id",
248// dbcon);
249//
250// // need to ensure we dispose
251// try
252// {
253// using (cmd)
254// {
255// // create unix epoch time
256// int now = (int)Utils.DateTimeToUnixTime(DateTime.UtcNow);
257// cmd.Parameters.AddWithValue("?id", asset.ID);
258// cmd.Parameters.AddWithValue("?access_time", now);
259// cmd.ExecuteNonQuery();
260// cmd.Dispose();
261// }
262// }
263// catch (Exception e)
264// {
265// m_log.ErrorFormat(
266// "[ASSETS DB]: " +
267// "MySql failure updating access_time for asset {0} with name {1}" + Environment.NewLine + e.ToString()
268// + Environment.NewLine + "Attempting reconnection", asset.FullID, asset.Name);
269// }
270// }
271// }
272//
273// }
274
275 /// <summary>
276 /// Check if the asset exists in the database
277 /// </summary>
278 /// <param name="uuid">The asset UUID</param>
279 /// <returns>true if it exists, false otherwise.</returns>
280 override public bool ExistsAsset(UUID uuid)
281 {
282// m_log.DebugFormat("[ASSETS DB]: Checking for asset {0}", uuid);
283
284 bool assetExists = false;
285
286 lock (m_dbLock)
287 {
288 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
289 {
290 dbcon.Open();
291 using (MySqlCommand cmd = new MySqlCommand("SELECT id FROM xassetsmeta WHERE id=?id", dbcon))
292 {
293 cmd.Parameters.AddWithValue("?id", uuid.ToString());
294
295 try
296 {
297 using (MySqlDataReader dbReader = cmd.ExecuteReader(CommandBehavior.SingleRow))
298 {
299 if (dbReader.Read())
300 {
301// m_log.DebugFormat("[ASSETS DB]: Found asset {0}", uuid);
302 assetExists = true;
303 }
304 }
305 }
306 catch (Exception e)
307 {
308 m_log.ErrorFormat(
309 "[XASSETS DB]: MySql failure fetching asset {0}" + Environment.NewLine + e.ToString(), uuid);
310 }
311 }
312 }
313 }
314
315 return assetExists;
316 }
317
318 /// <summary>
319 /// Returns a list of AssetMetadata objects. The list is a subset of
320 /// the entire data set offset by <paramref name="start" /> containing
321 /// <paramref name="count" /> elements.
322 /// </summary>
323 /// <param name="start">The number of results to discard from the total data set.</param>
324 /// <param name="count">The number of rows the returned list should contain.</param>
325 /// <returns>A list of AssetMetadata objects.</returns>
326 public override List<AssetMetadata> FetchAssetMetadataSet(int start, int count)
327 {
328 List<AssetMetadata> retList = new List<AssetMetadata>(count);
329
330 lock (m_dbLock)
331 {
332 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
333 {
334 dbcon.Open();
335 MySqlCommand cmd = new MySqlCommand("SELECT name,description,asset_type,temporary,id,asset_flags,creator_id FROM xassetsmeta LIMIT ?start, ?count", dbcon);
336 cmd.Parameters.AddWithValue("?start", start);
337 cmd.Parameters.AddWithValue("?count", count);
338
339 try
340 {
341 using (MySqlDataReader dbReader = cmd.ExecuteReader())
342 {
343 while (dbReader.Read())
344 {
345 AssetMetadata metadata = new AssetMetadata();
346 metadata.Name = (string)dbReader["name"];
347 metadata.Description = (string)dbReader["description"];
348 metadata.Type = (sbyte)dbReader["asset_type"];
349 metadata.Temporary = Convert.ToBoolean(dbReader["temporary"]); // Not sure if this is correct.
350 metadata.Flags = (AssetFlags)Convert.ToInt32(dbReader["asset_flags"]);
351 metadata.FullID = DBGuid.FromDB(dbReader["id"]);
352 metadata.CreatorID = dbReader["creator_id"].ToString();
353 metadata.SHA1 = Encoding.Default.GetBytes((string)dbReader["hash"]);
354
355 retList.Add(metadata);
356 }
357 }
358 }
359 catch (Exception e)
360 {
361 m_log.Error("[XASSETS DB]: MySql failure fetching asset set" + Environment.NewLine + e.ToString());
362 }
363 }
364 }
365
366 return retList;
367 }
368
369 public override bool Delete(string id)
370 {
371 lock (m_dbLock)
372 {
373 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
374 {
375 dbcon.Open();
376 MySqlCommand cmd = new MySqlCommand("delete from xassetsmeta where id=?id", dbcon);
377 cmd.Parameters.AddWithValue("?id", id);
378 cmd.ExecuteNonQuery();
379
380 cmd.Dispose();
381
382 // TODO: How do we deal with data from deleted assets? Probably not easily reapable unless we
383 // keep a reference count (?)
384 }
385 }
386
387 return true;
388 }
389
390 #endregion
391 }
392} \ 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 2024-09-12 21:48:17 +0000