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diff --git a/OpenSim/Region/OptionalModules/ContentManagementSystem/FileSystemDatabase.cs b/OpenSim/Region/OptionalModules/ContentManagementSystem/FileSystemDatabase.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#region Header
29
30// FileSystemDatabase.cs
31// User: bongiojp
32
33#endregion Header
34
35using System;
36using System.Collections.Generic;
37using System.Diagnostics;
38using System.IO;
39using Slash = System.IO.Path;
40using System.Reflection;
41using System.Xml;
42
43using OpenMetaverse;
44
45using Nini.Config;
46
47using OpenSim.Framework;
48using OpenSim.Region.Framework.Interfaces;
49using OpenSim.Region.Framework.Scenes;
50using OpenSim.Region.CoreModules.World.Serialiser;
51using OpenSim.Region.CoreModules.World.Terrain;
52using OpenSim.Region.Physics.Manager;
53
54using log4net;
55
56namespace OpenSim.Region.OptionalModules.ContentManagement
57{
58 public class FileSystemDatabase : IContentDatabase
59 {
60 #region Static Fields
61
62 public static float TimeToDownload = 0;
63 public static float TimeToSave = 0;
64 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
65
66 #endregion Static Fields
67
68 #region Fields
69
70 private string m_repodir = null;
71 private Dictionary<UUID, Scene> m_scenes = new Dictionary<UUID, Scene>();
72 private Dictionary<UUID, IRegionSerialiserModule> m_serialiser = new Dictionary<UUID, IRegionSerialiserModule>();
73
74 #endregion Fields
75
76 #region Constructors
77
78 public FileSystemDatabase()
79 {
80 }
81
82 #endregion Constructors
83
84 #region Private Methods
85
86 // called by postinitialise
87 private void CreateDirectory()
88 {
89 string scenedir;
90 if (!Directory.Exists(m_repodir))
91 Directory.CreateDirectory(m_repodir);
92
93 foreach (UUID region in m_scenes.Keys)
94 {
95 scenedir = m_repodir + Slash.DirectorySeparatorChar + region + Slash.DirectorySeparatorChar;
96 if (!Directory.Exists(scenedir))
97 Directory.CreateDirectory(scenedir);
98 }
99 }
100
101 // called by postinitialise
102 private void SetupSerialiser()
103 {
104 if (m_serialiser.Count == 0)
105 {
106 foreach (UUID region in m_scenes.Keys)
107 {
108 m_serialiser.Add(region, m_scenes[region].RequestModuleInterface<IRegionSerialiserModule>());
109 }
110 }
111 }
112
113 #endregion Private Methods
114
115 #region Public Methods
116
117 public int GetMostRecentRevision(UUID regionid)
118 {
119 return NumOfRegionRev(regionid);
120 }
121
122 public string GetRegionObjectHeightMap(UUID regionid)
123 {
124 String filename = m_repodir + Slash.DirectorySeparatorChar + regionid +
125 Slash.DirectorySeparatorChar + "heightmap.r32";
126 FileStream fs = new FileStream(filename, FileMode.Open);
127 StreamReader sr = new StreamReader(fs);
128 String result = sr.ReadToEnd();
129 sr.Close();
130 fs.Close();
131 return result;
132 }
133
134 public string GetRegionObjectHeightMap(UUID regionid, int revision)
135 {
136 String filename = m_repodir + Slash.DirectorySeparatorChar + regionid +
137 Slash.DirectorySeparatorChar + "heightmap.r32";
138 FileStream fs = new FileStream(filename, FileMode.Open);
139 StreamReader sr = new StreamReader(fs);
140 String result = sr.ReadToEnd();
141 sr.Close();
142 fs.Close();
143 return result;
144 }
145
146 public System.Collections.ArrayList GetRegionObjectXMLList(UUID regionid, int revision)
147 {
148 System.Collections.ArrayList objectList = new System.Collections.ArrayList();
149 string filename = m_repodir + Slash.DirectorySeparatorChar + regionid + Slash.DirectorySeparatorChar +
150 + revision + Slash.DirectorySeparatorChar + "objects.xml";
151 XmlDocument doc = new XmlDocument();
152 XmlNode rootNode;
153 //int primCount = 0;
154 //SceneObjectGroup obj = null;
155
156 if (File.Exists(filename))
157 {
158 XmlTextReader reader = new XmlTextReader(filename);
159 reader.WhitespaceHandling = WhitespaceHandling.None;
160 doc.Load(reader);
161 reader.Close();
162 rootNode = doc.FirstChild;
163 foreach (XmlNode aPrimNode in rootNode.ChildNodes)
164 {
165 objectList.Add(aPrimNode.OuterXml);
166 }
167 return objectList;
168 }
169 return null;
170 }
171
172 public System.Collections.ArrayList GetRegionObjectXMLList(UUID regionid)
173 {
174 int revision = NumOfRegionRev(regionid);
175 m_log.Info("[FSDB]: found revisions:" + revision);
176 System.Collections.ArrayList xmlList = new System.Collections.ArrayList();
177 string filename = m_repodir + Slash.DirectorySeparatorChar + regionid + Slash.DirectorySeparatorChar +
178 + revision + Slash.DirectorySeparatorChar + "objects.xml";
179 XmlDocument doc = new XmlDocument();
180 XmlNode rootNode;
181
182 m_log.Info("[FSDB]: Checking if " + filename + " exists.");
183 if (File.Exists(filename))
184 {
185 Stopwatch x = new Stopwatch();
186 x.Start();
187
188 XmlTextReader reader = new XmlTextReader(filename);
189 reader.WhitespaceHandling = WhitespaceHandling.None;
190 doc.Load(reader);
191 reader.Close();
192 rootNode = doc.FirstChild;
193
194 foreach (XmlNode aPrimNode in rootNode.ChildNodes)
195 {
196 xmlList.Add(aPrimNode.OuterXml);
197 }
198
199 x.Stop();
200 TimeToDownload += x.ElapsedMilliseconds;
201 m_log.Info("[FileSystemDatabase] Time spent retrieving xml files so far: " + TimeToDownload);
202
203 return xmlList;
204 }
205 return null;
206 }
207
208 public void Initialise(Scene scene, string dir)
209 {
210 lock (this)
211 {
212 if (m_repodir == null)
213 m_repodir = dir;
214 }
215 lock (m_scenes)
216 m_scenes.Add(scene.RegionInfo.RegionID, scene);
217 }
218
219 public System.Collections.Generic.SortedDictionary<string, string> ListOfRegionRevisions(UUID regionid)
220 {
221 SortedDictionary<string, string> revisionDict = new SortedDictionary<string,string>();
222
223 string scenedir = m_repodir + Slash.DirectorySeparatorChar + regionid + Slash.DirectorySeparatorChar;
224 string[] directories = Directory.GetDirectories(scenedir);
225
226 FileStream fs = null;
227 StreamReader sr = null;
228 String logMessage = "";
229 String logLocation = "";
230 foreach (string revisionDir in directories)
231 {
232 try
233 {
234 logLocation = revisionDir + Slash.DirectorySeparatorChar + "log";
235 fs = new FileStream(logLocation, FileMode.Open);
236 sr = new StreamReader(fs);
237 logMessage = sr.ReadToEnd();
238 sr.Close();
239 fs.Close();
240 revisionDict.Add(revisionDir, logMessage);
241 }
242 catch (Exception)
243 {
244 }
245 }
246
247 return revisionDict;
248 }
249
250 public int NumOfRegionRev(UUID regionid)
251 {
252 string scenedir = m_repodir + Slash.DirectorySeparatorChar + regionid + Slash.DirectorySeparatorChar;
253 m_log.Info("[FSDB]: Reading scene dir: " + scenedir);
254 string[] directories = Directory.GetDirectories(scenedir);
255 return directories.Length;
256 }
257
258 // Run once and only once.
259 public void PostInitialise()
260 {
261 SetupSerialiser();
262
263 m_log.Info("[FSDB]: Creating repository in " + m_repodir + ".");
264 CreateDirectory();
265 }
266
267 public void SaveRegion(UUID regionid, string regionName, string logMessage)
268 {
269 m_log.Info("[FSDB]: ...............................");
270 string scenedir = m_repodir + Slash.DirectorySeparatorChar + regionid + Slash.DirectorySeparatorChar;
271
272 m_log.Info("[FSDB]: checking if scene directory exists: " + scenedir);
273 if (!Directory.Exists(scenedir))
274 Directory.CreateDirectory(scenedir);
275
276 int newRevisionNum = GetMostRecentRevision(regionid)+1;
277 string revisiondir = scenedir + newRevisionNum + Slash.DirectorySeparatorChar;
278
279 m_log.Info("[FSDB]: checking if revision directory exists: " + revisiondir);
280 if (!Directory.Exists(revisiondir))
281 Directory.CreateDirectory(revisiondir);
282
283 try {
284 Stopwatch x = new Stopwatch();
285 x.Start();
286 if (m_scenes.ContainsKey(regionid))
287 {
288 m_serialiser[regionid].SerialiseRegion(m_scenes[regionid], revisiondir);
289 }
290 x.Stop();
291 TimeToSave += x.ElapsedMilliseconds;
292 m_log.Info("[FileSystemDatabase] Time spent serialising regions to files on disk for " + regionName + ": " + x.ElapsedMilliseconds);
293 m_log.Info("[FileSystemDatabase] Time spent serialising regions to files on disk so far: " + TimeToSave);
294 }
295 catch (Exception e)
296 {
297 m_log.ErrorFormat("[FSDB]: Serialisation of region failed: " + e);
298 return;
299 }
300
301 try {
302 // Finish by writing log message.
303 FileStream file = new FileStream(revisiondir + "log", FileMode.Create, FileAccess.ReadWrite);
304 StreamWriter sw = new StreamWriter(file);
305 sw.Write(logMessage);
306 sw.Close();
307 }
308 catch (Exception e)
309 {
310 m_log.ErrorFormat("[FSDB]: Failed trying to save log file " + e);
311 return;
312 }
313 }
314
315 #endregion Public Methods
316 }
317}
generated by cgit v1.1 at 2024-11-15 11:48:04 +0000