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
|
/*
* 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 OpenSim.Framework;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Region.Environment.Modules.World.Serialiser;
using OpenSim.Region.Environment.Modules.World.Terrain;
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Reflection;
using System.Xml;
using libsecondlife;
using log4net;
namespace OpenSim.Region.Environment.Modules.World.Archiver
{
/// <summary>
/// Handles an individual archive read request
/// </summary>
public class ArchiveReadRequest
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
protected static System.Text.ASCIIEncoding m_asciiEncoding = new System.Text.ASCIIEncoding();
protected Scene m_scene;
protected string m_loadPath;
public ArchiveReadRequest(Scene scene, string loadPath)
{
m_scene = scene;
m_loadPath = loadPath;
DearchiveRegion();
}
protected void DearchiveRegion()
{
TarArchiveReader archive
= new TarArchiveReader(
new GZipStream(new FileStream(m_loadPath, FileMode.Open), CompressionMode.Decompress));
//AssetsDearchiver dearchiver = new AssetsDearchiver(m_scene.AssetCache);
List<string> serialisedSceneObjects = new List<string>();
string filePath = "ERROR";
int successfulAssetRestores = 0;
int failedAssetRestores = 0;
byte[] data;
while ((data = archive.ReadEntry(out filePath)) != null)
{
//m_log.DebugFormat(
// "[ARCHIVER]: Successfully read {0} ({1} bytes)}", filePath, data.Length);
if (filePath.StartsWith(ArchiveConstants.OBJECTS_PATH))
{
serialisedSceneObjects.Add(m_asciiEncoding.GetString(data));
}
// else if (filePath.Equals(ArchiveConstants.ASSETS_METADATA_PATH))
// {
// string xml = m_asciiEncoding.GetString(data);
// dearchiver.AddAssetMetadata(xml);
// }
else if (filePath.StartsWith(ArchiveConstants.ASSETS_PATH))
{
if (LoadAsset(filePath, data))
successfulAssetRestores++;
else
failedAssetRestores++;
}
else if (filePath.StartsWith(ArchiveConstants.TERRAINS_PATH))
{
LoadTerrain(filePath, data);
}
}
//m_log.Debug("[ARCHIVER]: Reached end of archive");
archive.Close();
m_log.InfoFormat("[ARCHIVER]: Restored {0} assets", successfulAssetRestores);
if (failedAssetRestores > 0)
m_log.ErrorFormat("[ARCHIVER]: Failed to load {0} assets", failedAssetRestores);
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);
IRegionSerialiser serialiser = m_scene.RequestModuleInterface<IRegionSerialiser>();
ICollection<SceneObjectGroup> sceneObjects = new List<SceneObjectGroup>();
foreach (string serialisedSceneObject in serialisedSceneObjects)
{
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();
// Make the master the owner/creator of everything imported for now
LLUUID masterAvatarId = m_scene.RegionInfo.MasterAvatarAssignedUUID;
foreach (SceneObjectPart part in sceneObject.Children.Values)
{
part.CreatorID = masterAvatarId;
part.OwnerID = masterAvatarId;
part.LastOwnerID = masterAvatarId;
}
if (m_scene.AddRestoredSceneObject(sceneObject, true, false))
{
sceneObjects.Add(sceneObject);
}
}
m_log.InfoFormat("[ARCHIVER]: Restored {0} scene objects to the scene", sceneObjects.Count);
int ignoredObjects = serialisedSceneObjects.Count - sceneObjects.Count;
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_log.Debug("[ARCHIVER]: Starting scripts");
foreach (SceneObjectGroup sceneObject in sceneObjects)
{
sceneObject.CreateScriptInstances(0, true);
}
}
/// <summary>
/// Load an asset
/// </summary>
/// <param name="assetFilename"></param>
/// <param name="data"></param>
/// <returns>true if asset was successfully loaded, false otherwise</returns>
protected bool LoadAsset(string assetPath, byte[] data)
{
// Right now we're nastily obtaining the lluuid from the filename
string filename = assetPath.Remove(0, ArchiveConstants.ASSETS_PATH.Length);
string extension = filename.Substring(filename.LastIndexOf("_"));
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 LLUUID(uuid), String.Empty);
asset.Type = assetType;
asset.Data = data;
m_scene.AssetCache.AddAsset(asset);
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 terrain data
/// </summary>
/// <param name="terrainPath"></param>
/// <param name="data"></param>
/// <returns>
/// true if terrain was resolved successfully, false otherwise.
/// </returns>
protected 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;
}
}
}
|
