opensim – Blame information for rev 1
?pathlinks?
Rev | Author | Line No. | Line |
---|---|---|---|
1 | eva | 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 > 64) |
||
170 | { |
||
171 | assetName = asset.Name.Substring(0, 64); |
||
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 > 64) |
||
179 | { |
||
180 | assetDescription = asset.Description.Substring(0, 64); |
||
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 asset exist in m_database |
||
235 | /// </summary> |
||
236 | /// <param name="uuid"></param> |
||
237 | /// <returns>true if exist.</returns> |
||
238 | override public bool ExistsAsset(UUID uuid) |
||
239 | { |
||
240 | if (GetAsset(uuid) != null) |
||
241 | { |
||
242 | return true; |
||
243 | } |
||
244 | return false; |
||
245 | } |
||
246 | |||
247 | /// <summary> |
||
248 | /// Returns a list of AssetMetadata objects. The list is a subset of |
||
249 | /// the entire data set offset by <paramref name="start" /> containing |
||
250 | /// <paramref name="count" /> elements. |
||
251 | /// </summary> |
||
252 | /// <param name="start">The number of results to discard from the total data set.</param> |
||
253 | /// <param name="count">The number of rows the returned list should contain.</param> |
||
254 | /// <returns>A list of AssetMetadata objects.</returns> |
||
255 | public override List<AssetMetadata> FetchAssetMetadataSet(int start, int count) |
||
256 | { |
||
257 | List<AssetMetadata> retList = new List<AssetMetadata>(count); |
||
258 | string sql = @" SELECT id, name, description, " + "\"assetType\"" + @", temporary, creatorid |
||
259 | FROM assets |
||
260 | order by id |
||
261 | limit :stop |
||
262 | offset :start;"; |
||
263 | |||
264 | using (NpgsqlConnection conn = new NpgsqlConnection(m_connectionString)) |
||
265 | using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn)) |
||
266 | { |
||
267 | cmd.Parameters.Add(m_database.CreateParameter("start", start)); |
||
268 | cmd.Parameters.Add(m_database.CreateParameter("stop", start + count - 1)); |
||
269 | conn.Open(); |
||
270 | using (NpgsqlDataReader reader = cmd.ExecuteReader()) |
||
271 | { |
||
272 | while (reader.Read()) |
||
273 | { |
||
274 | AssetMetadata metadata = new AssetMetadata(); |
||
275 | metadata.FullID = DBGuid.FromDB(reader["id"]); |
||
276 | metadata.Name = (string)reader["name"]; |
||
277 | metadata.Description = (string)reader["description"]; |
||
278 | metadata.Type = Convert.ToSByte(reader["assetType"]); |
||
279 | metadata.Temporary = Convert.ToBoolean(reader["temporary"]); |
||
280 | metadata.CreatorID = (string)reader["creatorid"]; |
||
281 | retList.Add(metadata); |
||
282 | } |
||
283 | } |
||
284 | } |
||
285 | |||
286 | return retList; |
||
287 | } |
||
288 | |||
289 | public override bool Delete(string id) |
||
290 | { |
||
291 | return false; |
||
292 | } |
||
293 | #endregion |
||
294 | } |
||
295 | } |