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Diffstat (limited to 'OpenSim/Data/PGSQL/PGSQLAssetData.cs')
-rw-r--r-- | OpenSim/Data/PGSQL/PGSQLAssetData.cs | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/OpenSim/Data/PGSQL/PGSQLAssetData.cs b/OpenSim/Data/PGSQL/PGSQLAssetData.cs new file mode 100644 index 0000000..5d8b0a2 --- /dev/null +++ b/OpenSim/Data/PGSQL/PGSQLAssetData.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 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 | |||
28 | using System; | ||
29 | using System.Data; | ||
30 | using System.Reflection; | ||
31 | using System.Collections.Generic; | ||
32 | using OpenMetaverse; | ||
33 | using log4net; | ||
34 | using OpenSim.Framework; | ||
35 | using Npgsql; | ||
36 | using NpgsqlTypes; | ||
37 | |||
38 | namespace OpenSim.Data.PGSQL | ||
39 | { | ||
40 | /// <summary> | ||
41 | /// A PGSQL Interface for the Asset server | ||
42 | /// </summary> | ||
43 | public class PGSQLAssetData : AssetDataBase | ||
44 | { | ||
45 | private const string _migrationStore = "AssetStore"; | ||
46 | |||
47 | private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); | ||
48 | private long m_ticksToEpoch; | ||
49 | /// <summary> | ||
50 | /// Database manager | ||
51 | /// </summary> | ||
52 | private PGSQLManager m_database; | ||
53 | private string m_connectionString; | ||
54 | |||
55 | protected virtual Assembly Assembly | ||
56 | { | ||
57 | get { return GetType().Assembly; } | ||
58 | } | ||
59 | |||
60 | #region IPlugin Members | ||
61 | |||
62 | override public void Dispose() { } | ||
63 | |||
64 | /// <summary> | ||
65 | /// <para>Initialises asset interface</para> | ||
66 | /// </summary> | ||
67 | // [Obsolete("Cannot be default-initialized!")] | ||
68 | override public void Initialise() | ||
69 | { | ||
70 | m_log.Info("[PGSQLAssetData]: " + Name + " cannot be default-initialized!"); | ||
71 | throw new PluginNotInitialisedException(Name); | ||
72 | } | ||
73 | |||
74 | /// <summary> | ||
75 | /// Initialises asset interface | ||
76 | /// </summary> | ||
77 | /// <para> | ||
78 | /// a string instead of file, if someone writes the support | ||
79 | /// </para> | ||
80 | /// <param name="connectionString">connect string</param> | ||
81 | override public void Initialise(string connectionString) | ||
82 | { | ||
83 | m_ticksToEpoch = new System.DateTime(1970, 1, 1).Ticks; | ||
84 | |||
85 | m_database = new PGSQLManager(connectionString); | ||
86 | m_connectionString = connectionString; | ||
87 | |||
88 | //New migration to check for DB changes | ||
89 | m_database.CheckMigration(_migrationStore); | ||
90 | } | ||
91 | |||
92 | /// <summary> | ||
93 | /// Database provider version. | ||
94 | /// </summary> | ||
95 | override public string Version | ||
96 | { | ||
97 | get { return m_database.getVersion(); } | ||
98 | } | ||
99 | |||
100 | /// <summary> | ||
101 | /// The name of this DB provider. | ||
102 | /// </summary> | ||
103 | override public string Name | ||
104 | { | ||
105 | get { return "PGSQL Asset storage engine"; } | ||
106 | } | ||
107 | |||
108 | #endregion | ||
109 | |||
110 | #region IAssetDataPlugin Members | ||
111 | |||
112 | /// <summary> | ||
113 | /// Fetch Asset from m_database | ||
114 | /// </summary> | ||
115 | /// <param name="assetID">the asset UUID</param> | ||
116 | /// <returns></returns> | ||
117 | override public AssetBase GetAsset(UUID assetID) | ||
118 | { | ||
119 | string sql = "SELECT * FROM assets WHERE id = :id"; | ||
120 | using (NpgsqlConnection conn = new NpgsqlConnection(m_connectionString)) | ||
121 | using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn)) | ||
122 | { | ||
123 | cmd.Parameters.Add(m_database.CreateParameter("id", assetID)); | ||
124 | conn.Open(); | ||
125 | using (NpgsqlDataReader reader = cmd.ExecuteReader()) | ||
126 | { | ||
127 | if (reader.Read()) | ||
128 | { | ||
129 | AssetBase asset = new AssetBase( | ||
130 | DBGuid.FromDB(reader["id"]), | ||
131 | (string)reader["name"], | ||
132 | Convert.ToSByte(reader["assetType"]), | ||
133 | reader["creatorid"].ToString() | ||
134 | ); | ||
135 | // Region Main | ||
136 | asset.Description = (string)reader["description"]; | ||
137 | asset.Local = Convert.ToBoolean(reader["local"]); | ||
138 | asset.Temporary = Convert.ToBoolean(reader["temporary"]); | ||
139 | asset.Flags = (AssetFlags)(Convert.ToInt32(reader["asset_flags"])); | ||
140 | asset.Data = (byte[])reader["data"]; | ||
141 | return asset; | ||
142 | } | ||
143 | return null; // throw new Exception("No rows to return"); | ||
144 | } | ||
145 | } | ||
146 | } | ||
147 | |||
148 | /// <summary> | ||
149 | /// Create asset in m_database | ||
150 | /// </summary> | ||
151 | /// <param name="asset">the asset</param> | ||
152 | override public void StoreAsset(AssetBase asset) | ||
153 | { | ||
154 | |||
155 | string sql = | ||
156 | @"UPDATE assets set name = :name, description = :description, " + "\"assetType\" " + @" = :assetType, | ||
157 | local = :local, temporary = :temporary, creatorid = :creatorid, data = :data | ||
158 | WHERE id=:id; | ||
159 | |||
160 | INSERT INTO assets | ||
161 | (id, name, description, " + "\"assetType\" " + @", local, | ||
162 | temporary, create_time, access_time, creatorid, asset_flags, data) | ||
163 | Select :id, :name, :description, :assetType, :local, | ||
164 | :temporary, :create_time, :access_time, :creatorid, :asset_flags, :data | ||
165 | Where not EXISTS(SELECT * FROM assets WHERE id=:id) | ||
166 | "; | ||
167 | |||
168 | string assetName = asset.Name; | ||
169 | if (asset.Name.Length > AssetBase.MAX_ASSET_NAME) | ||
170 | { | ||
171 | assetName = asset.Name.Substring(0, AssetBase.MAX_ASSET_NAME); | ||
172 | m_log.WarnFormat( | ||
173 | "[ASSET DB]: Name '{0}' for asset {1} truncated from {2} to {3} characters on add", | ||
174 | asset.Name, asset.ID, asset.Name.Length, assetName.Length); | ||
175 | } | ||
176 | |||
177 | string assetDescription = asset.Description; | ||
178 | if (asset.Description.Length > AssetBase.MAX_ASSET_DESC) | ||
179 | { | ||
180 | assetDescription = asset.Description.Substring(0, AssetBase.MAX_ASSET_DESC); | ||
181 | m_log.WarnFormat( | ||
182 | "[ASSET DB]: Description '{0}' for asset {1} truncated from {2} to {3} characters on add", | ||
183 | asset.Description, asset.ID, asset.Description.Length, assetDescription.Length); | ||
184 | } | ||
185 | |||
186 | using (NpgsqlConnection conn = new NpgsqlConnection(m_connectionString)) | ||
187 | using (NpgsqlCommand command = new NpgsqlCommand(sql, conn)) | ||
188 | { | ||
189 | int now = (int)((System.DateTime.Now.Ticks - m_ticksToEpoch) / 10000000); | ||
190 | command.Parameters.Add(m_database.CreateParameter("id", asset.FullID)); | ||
191 | command.Parameters.Add(m_database.CreateParameter("name", assetName)); | ||
192 | command.Parameters.Add(m_database.CreateParameter("description", assetDescription)); | ||
193 | command.Parameters.Add(m_database.CreateParameter("assetType", asset.Type)); | ||
194 | command.Parameters.Add(m_database.CreateParameter("local", asset.Local)); | ||
195 | command.Parameters.Add(m_database.CreateParameter("temporary", asset.Temporary)); | ||
196 | command.Parameters.Add(m_database.CreateParameter("access_time", now)); | ||
197 | command.Parameters.Add(m_database.CreateParameter("create_time", now)); | ||
198 | command.Parameters.Add(m_database.CreateParameter("asset_flags", (int)asset.Flags)); | ||
199 | command.Parameters.Add(m_database.CreateParameter("creatorid", asset.Metadata.CreatorID)); | ||
200 | command.Parameters.Add(m_database.CreateParameter("data", asset.Data)); | ||
201 | conn.Open(); | ||
202 | try | ||
203 | { | ||
204 | command.ExecuteNonQuery(); | ||
205 | } | ||
206 | catch(Exception e) | ||
207 | { | ||
208 | m_log.Error("[ASSET DB]: Error storing item :" + e.Message + " sql "+sql); | ||
209 | } | ||
210 | } | ||
211 | } | ||
212 | |||
213 | |||
214 | // Commented out since currently unused - this probably should be called in GetAsset() | ||
215 | // private void UpdateAccessTime(AssetBase asset) | ||
216 | // { | ||
217 | // using (AutoClosingSqlCommand cmd = m_database.Query("UPDATE assets SET access_time = :access_time WHERE id=:id")) | ||
218 | // { | ||
219 | // int now = (int)((System.DateTime.Now.Ticks - m_ticksToEpoch) / 10000000); | ||
220 | // cmd.Parameters.AddWithValue(":id", asset.FullID.ToString()); | ||
221 | // cmd.Parameters.AddWithValue(":access_time", now); | ||
222 | // try | ||
223 | // { | ||
224 | // cmd.ExecuteNonQuery(); | ||
225 | // } | ||
226 | // catch (Exception e) | ||
227 | // { | ||
228 | // m_log.Error(e.ToString()); | ||
229 | // } | ||
230 | // } | ||
231 | // } | ||
232 | |||
233 | /// <summary> | ||
234 | /// Check if the assets exist in the database. | ||
235 | /// </summary> | ||
236 | /// <param name="uuids">The assets' IDs</param> | ||
237 | /// <returns>For each asset: true if it exists, false otherwise</returns> | ||
238 | public override bool[] AssetsExist(UUID[] uuids) | ||
239 | { | ||
240 | if (uuids.Length == 0) | ||
241 | return new bool[0]; | ||
242 | |||
243 | HashSet<UUID> exist = new HashSet<UUID>(); | ||
244 | |||
245 | string ids = "'" + string.Join("','", uuids) + "'"; | ||
246 | string sql = string.Format("SELECT id FROM assets WHERE id IN ({0})", ids); | ||
247 | |||
248 | using (NpgsqlConnection conn = new NpgsqlConnection(m_connectionString)) | ||
249 | using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn)) | ||
250 | { | ||
251 | conn.Open(); | ||
252 | using (NpgsqlDataReader reader = cmd.ExecuteReader()) | ||
253 | { | ||
254 | while (reader.Read()) | ||
255 | { | ||
256 | UUID id = DBGuid.FromDB(reader["id"]); | ||
257 | exist.Add(id); | ||
258 | } | ||
259 | } | ||
260 | } | ||
261 | |||
262 | bool[] results = new bool[uuids.Length]; | ||
263 | for (int i = 0; i < uuids.Length; i++) | ||
264 | results[i] = exist.Contains(uuids[i]); | ||
265 | return results; | ||
266 | } | ||
267 | |||
268 | /// <summary> | ||
269 | /// Returns a list of AssetMetadata objects. The list is a subset of | ||
270 | /// the entire data set offset by <paramref name="start" /> containing | ||
271 | /// <paramref name="count" /> elements. | ||
272 | /// </summary> | ||
273 | /// <param name="start">The number of results to discard from the total data set.</param> | ||
274 | /// <param name="count">The number of rows the returned list should contain.</param> | ||
275 | /// <returns>A list of AssetMetadata objects.</returns> | ||
276 | public override List<AssetMetadata> FetchAssetMetadataSet(int start, int count) | ||
277 | { | ||
278 | List<AssetMetadata> retList = new List<AssetMetadata>(count); | ||
279 | string sql = @" SELECT id, name, description, " + "\"assetType\"" + @", temporary, creatorid | ||
280 | FROM assets | ||
281 | order by id | ||
282 | limit :stop | ||
283 | offset :start;"; | ||
284 | |||
285 | using (NpgsqlConnection conn = new NpgsqlConnection(m_connectionString)) | ||
286 | using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn)) | ||
287 | { | ||
288 | cmd.Parameters.Add(m_database.CreateParameter("start", start)); | ||
289 | cmd.Parameters.Add(m_database.CreateParameter("stop", start + count - 1)); | ||
290 | conn.Open(); | ||
291 | using (NpgsqlDataReader reader = cmd.ExecuteReader()) | ||
292 | { | ||
293 | while (reader.Read()) | ||
294 | { | ||
295 | AssetMetadata metadata = new AssetMetadata(); | ||
296 | metadata.FullID = DBGuid.FromDB(reader["id"]); | ||
297 | metadata.Name = (string)reader["name"]; | ||
298 | metadata.Description = (string)reader["description"]; | ||
299 | metadata.Type = Convert.ToSByte(reader["assetType"]); | ||
300 | metadata.Temporary = Convert.ToBoolean(reader["temporary"]); | ||
301 | metadata.CreatorID = (string)reader["creatorid"]; | ||
302 | retList.Add(metadata); | ||
303 | } | ||
304 | } | ||
305 | } | ||
306 | |||
307 | return retList; | ||
308 | } | ||
309 | |||
310 | public override bool Delete(string id) | ||
311 | { | ||
312 | return false; | ||
313 | } | ||
314 | #endregion | ||
315 | } | ||
316 | } | ||