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
|
/*
* 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 OpenSimulator 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.Reflection;
using System.Data;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Data;
using Nini.Config;
using log4net;
namespace OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim
{
public class OpenSimAssetStoragePlugin : IAssetStorageProvider
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
const string EXTENSION_NAME = "OpenSimAssetStorage"; // Used in metrics reporting
private AssetInventoryServer m_server;
private IAssetDataPlugin m_assetProvider;
private IConfig m_openSimConfig;
public OpenSimAssetStoragePlugin()
{
}
#region IAssetStorageProvider implementation
public BackendResponse TryFetchMetadata(UUID assetID, out AssetMetadata metadata)
{
metadata = null;
BackendResponse ret;
AssetBase asset = m_assetProvider.FetchAsset(assetID);
if (asset == null) ret = BackendResponse.NotFound;
else
{
metadata = asset.getMetadata();
ret = BackendResponse.Success;
}
m_server.MetricsProvider.LogAssetMetadataFetch(EXTENSION_NAME, ret, assetID, DateTime.Now);
return ret;
}
public BackendResponse TryFetchData(UUID assetID, out byte[] assetData)
{
assetData = null;
BackendResponse ret;
AssetBase asset = m_assetProvider.FetchAsset(assetID);
if (asset == null) ret = BackendResponse.NotFound;
else
{
assetData = asset.Data;
ret = BackendResponse.Success;
}
m_server.MetricsProvider.LogAssetDataFetch(EXTENSION_NAME, ret, assetID, (assetData != null ? assetData.Length : 0), DateTime.Now);
return ret;
}
public BackendResponse TryFetchDataMetadata(UUID assetID, out AssetBase asset)
{
asset = m_assetProvider.FetchAsset(assetID);
if (asset == null) return BackendResponse.NotFound;
return BackendResponse.Success;
}
public BackendResponse TryCreateAsset(AssetBase asset, out UUID assetID)
{
assetID = asset.FullID = UUID.Random();
return TryCreateAsset(asset);
}
public BackendResponse TryCreateAsset(AssetBase asset)
{
BackendResponse ret;
m_assetProvider.CreateAsset(asset);
ret = BackendResponse.Success;
m_server.MetricsProvider.LogAssetCreate(EXTENSION_NAME, ret, asset.FullID, asset.Data.Length, DateTime.Now);
return ret;
}
public int ForEach(Action<AssetMetadata> action, int start, int count)
{
int rowCount = 0;
//using (MySqlConnection dbConnection = new MySqlConnection(m_openSimConfig.GetString("asset_database_connect")))
//{
// MySqlDataReader reader;
// try
// {
// dbConnection.Open();
// MySqlCommand command = dbConnection.CreateCommand();
// command.CommandText = String.Format("SELECT name,description,assetType,temporary,data,id FROM assets LIMIT {0}, {1}",
// start, count);
// reader = command.ExecuteReader();
// }
// catch (MySqlException ex)
// {
// m_log.Error("[OPENSIMASSETSTORAGE]: Connection to MySQL backend failed: " + ex.Message);
// return 0;
// }
// while (reader.Read())
// {
// Metadata metadata = new Metadata();
// metadata.CreationDate = OpenMetaverse.Utils.Epoch;
// metadata.Description = reader.GetString(1);
// metadata.ID = UUID.Parse(reader.GetString(5));
// metadata.Name = reader.GetString(0);
// metadata.SHA1 = OpenMetaverse.Utils.SHA1((byte[])reader.GetValue(4));
// metadata.Temporary = reader.GetBoolean(3);
// metadata.ContentType = Utils.SLAssetTypeToContentType(reader.GetInt32(2));
// action(metadata);
// ++rowCount;
// }
// reader.Close();
//}
return rowCount;
}
#endregion IAssetStorageProvider implementation
#region IPlugin implementation
public void Initialise(AssetInventoryServer server)
{
m_server = server;
m_openSimConfig = server.ConfigFile.Configs["OpenSim"];
try
{
m_assetProvider = DataPluginFactory.LoadDataPlugin<IAssetDataPlugin>(m_openSimConfig.GetString("asset_database_provider"),
m_openSimConfig.GetString("asset_database_connect"));
if (m_assetProvider == null)
{
m_log.Error("[OPENSIMASSETSTORAGE]: Failed to load a database plugin, server halting.");
Environment.Exit(-1);
}
else
m_log.InfoFormat("[OPENSIMASSETSTORAGE]: Loaded storage backend: {0}", Version);
}
catch (Exception e)
{
m_log.WarnFormat("[OPENSIMASSETSTORAGE]: Failure loading data plugin: {0}", e.ToString());
throw new PluginNotInitialisedException(Name);
}
}
/// <summary>
/// <para>Initialises asset interface</para>
/// </summary>
public void Initialise()
{
m_log.InfoFormat("[OPENSIMASSETSTORAGE]: {0} cannot be default-initialized!", Name);
throw new PluginNotInitialisedException(Name);
}
public void Dispose()
{
}
public string Version
{
get { return m_assetProvider.Version; }
}
public string Name
{
get { return "OpenSimAssetStorage"; }
}
#endregion IPlugin implementation
}
}
|
