1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
|
/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Net;
using System.Reflection;
using System.Text;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Framework.Serialization;
using OpenSim.Framework.Serialization.External;
using OpenSim.Framework.Communications.Cache;
using OpenSim.Region.CoreModules.World.Terrain;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
namespace OpenSim.Region.CoreModules.World.Archiver
{
/// <summary>
/// Handles an individual archive read request
/// </summary>
public class ArchiveReadRequest
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private static ASCIIEncoding m_asciiEncoding = new ASCIIEncoding();
private Scene m_scene;
private Stream m_loadStream;
private Guid m_requestId;
private string m_errorMessage;
/// <value>
/// Should the archive being loaded be merged with what is already on the region?
/// </value>
private bool m_merge;
/// <summary>
/// Used to cache lookups for valid uuids.
/// </summary>
private IDictionary<UUID, bool> m_validUserUuids = new Dictionary<UUID, bool>();
public ArchiveReadRequest(Scene scene, string loadPath, bool merge, Guid requestId)
{
m_scene = scene;
m_loadStream = new GZipStream(GetStream(loadPath), CompressionMode.Decompress);
m_errorMessage = String.Empty;
m_merge = merge;
m_requestId = requestId;
}
public ArchiveReadRequest(Scene scene, Stream loadStream, bool merge, Guid requestId)
{
m_scene = scene;
m_loadStream = loadStream;
m_merge = merge;
m_requestId = requestId;
}
/// <summary>
/// Dearchive the region embodied in this request.
/// </summary>
public void DearchiveRegion()
{
// The same code can handle dearchiving 0.1 and 0.2 OpenSim Archive versions
DearchiveRegion0DotStar();
}
private void DearchiveRegion0DotStar()
{
int successfulAssetRestores = 0;
int failedAssetRestores = 0;
List<string> serialisedSceneObjects = new List<string>();
string filePath = "NONE";
try
{
TarArchiveReader archive = new TarArchiveReader(m_loadStream);
byte[] data;
TarArchiveReader.TarEntryType entryType;
while ((data = archive.ReadEntry(out filePath, out entryType)) != null)
{
//m_log.DebugFormat(
// "[ARCHIVER]: Successfully read {0} ({1} bytes)", filePath, data.Length);
if (TarArchiveReader.TarEntryType.TYPE_DIRECTORY == entryType)
continue;
if (filePath.StartsWith(ArchiveConstants.OBJECTS_PATH))
{
serialisedSceneObjects.Add(m_asciiEncoding.GetString(data));
}
else if (filePath.StartsWith(ArchiveConstants.ASSETS_PATH))
{
if (LoadAsset(filePath, data))
successfulAssetRestores++;
else
failedAssetRestores++;
}
else if (!m_merge && filePath.StartsWith(ArchiveConstants.TERRAINS_PATH))
{
LoadTerrain(filePath, data);
}
else if (!m_merge && filePath.StartsWith(ArchiveConstants.SETTINGS_PATH))
{
LoadRegionSettings(filePath, data);
}
}
//m_log.Debug("[ARCHIVER]: Reached end of archive");
archive.Close();
}
catch (Exception e)
{
m_log.ErrorFormat(
"[ARCHIVER]: Aborting load with error in archive file {0}. {1}", filePath, e);
m_errorMessage += e.ToString();
m_scene.EventManager.TriggerOarFileLoaded(m_requestId, m_errorMessage);
return;
}
m_log.InfoFormat("[ARCHIVER]: Restored {0} assets", successfulAssetRestores);
if (failedAssetRestores > 0)
{
m_log.ErrorFormat("[ARCHIVER]: Failed to load {0} assets", failedAssetRestores);
m_errorMessage += String.Format("Failed to load {0} assets", failedAssetRestores);
}
if (!m_merge)
{
m_log.Info("[ARCHIVER]: Clearing all existing scene objects");
m_scene.DeleteAllSceneObjects();
}
// Reload serialized prims
m_log.InfoFormat("[ARCHIVER]: Loading {0} scene objects. Please wait.", serialisedSceneObjects.Count);
IRegionSerialiserModule serialiser = m_scene.RequestModuleInterface<IRegionSerialiserModule>();
int sceneObjectsLoadedCount = 0;
foreach (string serialisedSceneObject in serialisedSceneObjects)
{
/*
m_log.DebugFormat("[ARCHIVER]: Loading xml with raw size {0}", serialisedSceneObject.Length);
// Really large xml files (multi megabyte) appear to cause
// memory problems
// when loading the xml. But don't enable this check yet
if (serialisedSceneObject.Length > 5000000)
{
m_log.Error("[ARCHIVER]: Ignoring xml since size > 5000000);");
continue;
}
*/
SceneObjectGroup sceneObject = serialiser.DeserializeGroupFromXml2(serialisedSceneObject);
// For now, give all incoming scene objects new uuids. This will allow scenes to be cloned
// on the same region server and multiple examples a single object archive to be imported
// to the same scene (when this is possible).
sceneObject.ResetIDs();
// Try to retain the original creator/owner/lastowner if their uuid is present on this grid
// otherwise, use the master avatar uuid instead
UUID masterAvatarId = m_scene.RegionInfo.MasterAvatarAssignedUUID;
if (m_scene.RegionInfo.EstateSettings.EstateOwner != UUID.Zero)
masterAvatarId = m_scene.RegionInfo.EstateSettings.EstateOwner;
foreach (SceneObjectPart part in sceneObject.Children.Values)
{
if (!ResolveUserUuid(part.CreatorID))
part.CreatorID = masterAvatarId;
if (!ResolveUserUuid(part.OwnerID))
part.OwnerID = masterAvatarId;
if (!ResolveUserUuid(part.LastOwnerID))
part.LastOwnerID = masterAvatarId;
// And zap any troublesome sit target information
part.SitTargetOrientation = new Quaternion(0, 0, 0, 1);
part.SitTargetPosition = new Vector3(0, 0, 0);
// Fix ownership/creator of inventory items
// Not doing so results in inventory items
// being no copy/no mod for everyone
lock (part.TaskInventory)
{
TaskInventoryDictionary inv = part.TaskInventory;
foreach (KeyValuePair<UUID, TaskInventoryItem> kvp in inv)
{
if (!ResolveUserUuid(kvp.Value.OwnerID))
{
kvp.Value.OwnerID = masterAvatarId;
}
if (!ResolveUserUuid(kvp.Value.CreatorID))
{
kvp.Value.CreatorID = masterAvatarId;
}
}
}
}
if (m_scene.AddRestoredSceneObject(sceneObject, true, false))
{
sceneObjectsLoadedCount++;
sceneObject.CreateScriptInstances(0, true, m_scene.DefaultScriptEngine, 0);
}
}
m_log.InfoFormat("[ARCHIVER]: Restored {0} scene objects to the scene", sceneObjectsLoadedCount);
int ignoredObjects = serialisedSceneObjects.Count - sceneObjectsLoadedCount;
if (ignoredObjects > 0)
m_log.WarnFormat("[ARCHIVER]: Ignored {0} scene objects that already existed in the scene", ignoredObjects);
m_log.InfoFormat("[ARCHIVER]: Successfully loaded archive");
m_scene.EventManager.TriggerOarFileLoaded(m_requestId, m_errorMessage);
}
/// <summary>
/// Look up the given user id to check whether it's one that is valid for this grid.
/// </summary>
/// <param name="uuid"></param>
/// <returns></returns>
private bool ResolveUserUuid(UUID uuid)
{
if (!m_validUserUuids.ContainsKey(uuid))
{
CachedUserInfo profile = m_scene.CommsManager.UserProfileCacheService.GetUserDetails(uuid);
if (profile != null && profile.UserProfile != null)
m_validUserUuids.Add(uuid, true);
else
m_validUserUuids.Add(uuid, false);
}
if (m_validUserUuids[uuid])
return true;
else
return false;
}
/// <summary>
/// Load an asset
/// </summary>
/// <param name="assetFilename"></param>
/// <param name="data"></param>
/// <returns>true if asset was successfully loaded, false otherwise</returns>
private bool LoadAsset(string assetPath, byte[] data)
{
// Right now we're nastily obtaining the UUID from the filename
string filename = assetPath.Remove(0, ArchiveConstants.ASSETS_PATH.Length);
int i = filename.LastIndexOf(ArchiveConstants.ASSET_EXTENSION_SEPARATOR);
if (i == -1)
{
m_log.ErrorFormat(
"[ARCHIVER]: Could not find extension information in asset path {0} since it's missing the separator {1}. Skipping",
assetPath, ArchiveConstants.ASSET_EXTENSION_SEPARATOR);
return false;
}
string extension = filename.Substring(i);
string uuid = filename.Remove(filename.Length - extension.Length);
if (ArchiveConstants.EXTENSION_TO_ASSET_TYPE.ContainsKey(extension))
{
sbyte assetType = ArchiveConstants.EXTENSION_TO_ASSET_TYPE[extension];
//m_log.DebugFormat("[ARCHIVER]: Importing asset {0}, type {1}", uuid, assetType);
AssetBase asset = new AssetBase(new UUID(uuid), String.Empty);
asset.Type = assetType;
asset.Data = data;
m_scene.AssetService.Store(asset);
/**
* Create layers on decode for image assets. This is likely to significantly increase the time to load archives so
* it might be best done when dearchive takes place on a separate thread
if (asset.Type=AssetType.Texture)
{
IJ2KDecoder cacheLayerDecode = scene.RequestModuleInterface<IJ2KDecoder>();
if (cacheLayerDecode != null)
cacheLayerDecode.syncdecode(asset.FullID, asset.Data);
}
*/
return true;
}
else
{
m_log.ErrorFormat(
"[ARCHIVER]: Tried to dearchive data with path {0} with an unknown type extension {1}",
assetPath, extension);
return false;
}
}
/// <summary>
/// Load region settings data
/// </summary>
/// <param name="settingsPath"></param>
/// <param name="data"></param>
/// <returns>
/// true if settings were loaded successfully, false otherwise
/// </returns>
private bool LoadRegionSettings(string settingsPath, byte[] data)
{
RegionSettings loadedRegionSettings;
try
{
loadedRegionSettings = RegionSettingsSerializer.Deserialize(data);
}
catch (Exception e)
{
m_log.ErrorFormat(
"[ARCHIVER]: Could not parse region settings file {0}. Ignoring. Exception was {1}",
settingsPath, e);
return false;
}
RegionSettings currentRegionSettings = m_scene.RegionInfo.RegionSettings;
currentRegionSettings.AgentLimit = loadedRegionSettings.AgentLimit;
currentRegionSettings.AllowDamage = loadedRegionSettings.AllowDamage;
currentRegionSettings.AllowLandJoinDivide = loadedRegionSettings.AllowLandJoinDivide;
currentRegionSettings.AllowLandResell = loadedRegionSettings.AllowLandResell;
currentRegionSettings.BlockFly = loadedRegionSettings.BlockFly;
currentRegionSettings.BlockShowInSearch = loadedRegionSettings.BlockShowInSearch;
currentRegionSettings.BlockTerraform = loadedRegionSettings.BlockTerraform;
currentRegionSettings.DisableCollisions = loadedRegionSettings.DisableCollisions;
currentRegionSettings.DisablePhysics = loadedRegionSettings.DisablePhysics;
currentRegionSettings.DisableScripts = loadedRegionSettings.DisableScripts;
currentRegionSettings.Elevation1NE = loadedRegionSettings.Elevation1NE;
currentRegionSettings.Elevation1NW = loadedRegionSettings.Elevation1NW;
currentRegionSettings.Elevation1SE = loadedRegionSettings.Elevation1SE;
currentRegionSettings.Elevation1SW = loadedRegionSettings.Elevation1SW;
currentRegionSettings.Elevation2NE = loadedRegionSettings.Elevation2NE;
currentRegionSettings.Elevation2NW = loadedRegionSettings.Elevation2NW;
currentRegionSettings.Elevation2SE = loadedRegionSettings.Elevation2SE;
currentRegionSettings.Elevation2SW = loadedRegionSettings.Elevation2SW;
currentRegionSettings.FixedSun = loadedRegionSettings.FixedSun;
currentRegionSettings.ObjectBonus = loadedRegionSettings.ObjectBonus;
currentRegionSettings.RestrictPushing = loadedRegionSettings.RestrictPushing;
currentRegionSettings.TerrainLowerLimit = loadedRegionSettings.TerrainLowerLimit;
currentRegionSettings.TerrainRaiseLimit = loadedRegionSettings.TerrainRaiseLimit;
currentRegionSettings.TerrainTexture1 = loadedRegionSettings.TerrainTexture1;
currentRegionSettings.TerrainTexture2 = loadedRegionSettings.TerrainTexture2;
currentRegionSettings.TerrainTexture3 = loadedRegionSettings.TerrainTexture3;
currentRegionSettings.TerrainTexture4 = loadedRegionSettings.TerrainTexture4;
currentRegionSettings.UseEstateSun = loadedRegionSettings.UseEstateSun;
currentRegionSettings.WaterHeight = loadedRegionSettings.WaterHeight;
IEstateModule estateModule = m_scene.RequestModuleInterface<IEstateModule>();
estateModule.sendRegionHandshakeToAll();
return true;
}
/// <summary>
/// Load terrain data
/// </summary>
/// <param name="terrainPath"></param>
/// <param name="data"></param>
/// <returns>
/// true if terrain was resolved successfully, false otherwise.
/// </returns>
private bool LoadTerrain(string terrainPath, byte[] data)
{
ITerrainModule terrainModule = m_scene.RequestModuleInterface<ITerrainModule>();
MemoryStream ms = new MemoryStream(data);
terrainModule.LoadFromStream(terrainPath, ms);
ms.Close();
m_log.DebugFormat("[ARCHIVER]: Restored terrain {0}", terrainPath);
return true;
}
/// <summary>
/// Resolve path to a working FileStream
/// </summary>
private Stream GetStream(string path)
{
try
{
if (File.Exists(path))
{
return new FileStream(path, FileMode.Open, FileAccess.Read);
}
else
{
Uri uri = new Uri(path); // throw exception if not valid URI
if (uri.Scheme == "file")
{
return new FileStream(uri.AbsolutePath, FileMode.Open, FileAccess.Read);
}
else
{
if (uri.Scheme != "http")
throw new Exception(String.Format("Unsupported URI scheme ({0})", path));
// OK, now we know we have an HTTP URI to work with
return URIFetch(uri);
}
}
}
catch (Exception e)
{
throw new Exception(String.Format("Unable to create file input stream for {0}: {1}", path, e));
}
}
private static Stream URIFetch(Uri uri)
{
HttpWebRequest request = (HttpWebRequest) WebRequest.Create(uri);
// request.Credentials = credentials;
request.ContentLength = 0;
request.KeepAlive = false;
WebResponse response = request.GetResponse();
Stream file = response.GetResponseStream();
if (response.ContentType != "application/x-oar")
throw new Exception(String.Format("{0} does not identify an OAR file", uri.ToString()));
if (response.ContentLength == 0)
throw new Exception(String.Format("{0} returned an empty file", uri.ToString()));
// return new BufferedStream(file, (int) response.ContentLength);
return new BufferedStream(file, 1000000);
}
}
}
|