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
|
/*
* 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.Reflection;
using System.Xml;
using libsecondlife;
using log4net;
using OpenSim.Framework;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.Environment.Modules.World.Serialiser;
using OpenSim.Region.Environment.Modules.World.Terrain;
using OpenSim.Region.Environment.Scenes;
namespace OpenSim.Region.Environment.Modules.World.Archiver
{
/// <summary>
/// Method called when all the necessary assets for an archive request have been received.
/// </summary>
public delegate void AssetsRequestCallback(IDictionary<LLUUID, AssetBase> assets);
/// <summary>
/// Execute the write of an archive once we have received all the necessary data
/// </summary>
public class ArchiveWriteRequestExecution
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
protected ITerrainModule m_terrainModule;
protected IRegionSerialiser m_serialiser;
protected List<SceneObjectGroup> m_sceneObjects;
protected string m_sceneName;
protected string m_savePath;
public ArchiveWriteRequestExecution(
List<SceneObjectGroup> sceneObjects,
ITerrainModule terrainModule,
IRegionSerialiser serialiser,
string sceneName,
string savePath)
{
m_sceneObjects = sceneObjects;
m_terrainModule = terrainModule;
m_serialiser = serialiser;
m_sceneName = sceneName;
m_savePath = savePath;
}
protected internal void ReceivedAllAssets(IDictionary<LLUUID, AssetBase> assets)
{
m_log.DebugFormat("[ARCHIVER]: Received all {0} assets required", assets.Count);
TarArchiveWriter archive = new TarArchiveWriter();
// Write out control file
archive.AddFile(ArchiveConstants.CONTROL_FILE_PATH, CreateControlFile());
// Write out terrain
string terrainPath = String.Format("{0}{1}.r32", ArchiveConstants.TERRAINS_PATH, m_sceneName);
MemoryStream ms = new MemoryStream();
m_terrainModule.SaveToStream(terrainPath, ms);
archive.AddFile(terrainPath, ms.ToArray());
ms.Close();
// Write out scene object metadata
foreach (SceneObjectGroup sceneObject in m_sceneObjects)
{
//m_log.DebugFormat("[ARCHIVER]: Saving {0} {1}, {2}", entity.Name, entity.UUID, entity.GetType());
LLVector3 position = sceneObject.AbsolutePosition;
string serializedObject = m_serialiser.SaveGroupToXml2(sceneObject);
string filename
= string.Format(
"{0}{1}_{2:000}-{3:000}-{4:000}__{5}.xml",
ArchiveConstants.OBJECTS_PATH, sceneObject.Name,
Math.Round(position.X), Math.Round(position.Y), Math.Round(position.Z),
sceneObject.UUID);
archive.AddFile(filename, serializedObject);
}
// Write out assets
AssetsArchiver assetsArchiver = new AssetsArchiver(assets);
assetsArchiver.Archive(archive);
archive.WriteTar(new GZipStream(new FileStream(m_savePath, FileMode.Create), CompressionMode.Compress));
m_log.InfoFormat("[ARCHIVER]: Wrote out OpenSimulator archive {0}", m_savePath);
}
/// <summary>
/// Create the control file for this archive
/// </summary>
/// <returns></returns>
protected string CreateControlFile()
{
StringWriter sw = new StringWriter();
XmlTextWriter xtw = new XmlTextWriter(sw);
xtw.Formatting = Formatting.Indented;
xtw.WriteStartDocument();
xtw.WriteStartElement("archive");
xtw.WriteAttributeString("major_version", "0");
xtw.WriteAttributeString("minor_version", "1");
xtw.WriteEndElement();
xtw.Flush();
xtw.Close();
String s = sw.ToString();
sw.Close();
return s;
}
}
}
|
