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
|
/*
* 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.Collections.Generic;
using System.Reflection;
using System.Net;
using System.IO;
using System.Timers;
using System.Drawing;
using System.Drawing.Imaging;
using log4net;
using Mono.Addins;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;
using OpenSim.Server.Base;
using OpenMetaverse;
using OpenMetaverse.StructuredData;
namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.MapImage
{
/// <summary>
/// </summary>
/// <remarks>
/// </remarks>
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
public class MapImageServiceModule : ISharedRegionModule
{
private static readonly ILog m_log =
LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private bool m_enabled = false;
private IMapImageService m_MapService;
private Dictionary<UUID, Scene> m_scenes = new Dictionary<UUID, Scene>();
private int m_refreshtime = 0;
private int m_lastrefresh = 0;
private System.Timers.Timer m_refreshTimer = new System.Timers.Timer();
#region ISharedRegionModule
public Type ReplaceableInterface { get { return null; } }
public string Name { get { return "MapImageServiceModule"; } }
public void RegionLoaded(Scene scene) { }
public void Close() { }
public void PostInitialise() { }
///<summary>
///
///</summary>
public void Initialise(IConfigSource source)
{
IConfig moduleConfig = source.Configs["Modules"];
if (moduleConfig != null)
{
string name = moduleConfig.GetString("MapImageService", "");
if (name != Name)
return;
}
IConfig config = source.Configs["MapImageService"];
if (config == null)
return;
int refreshminutes = Convert.ToInt32(config.GetString("RefreshTime"));
if (refreshminutes <= 0)
{
m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: No refresh time given in config. Module disabled.");
return;
}
m_refreshtime = refreshminutes * 60 * 1000; // convert from minutes to ms
string service = config.GetString("LocalServiceModule", string.Empty);
if (service == string.Empty)
{
m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: No service dll given in config. Unable to proceed.");
return;
}
Object[] args = new Object[] { source };
m_MapService = ServerUtils.LoadPlugin<IMapImageService>(service, args);
if (m_MapService == null)
{
m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: Unable to load LocalServiceModule from {0}. MapService module disabled. Please fix the configuration.", service);
return;
}
m_refreshTimer.Enabled = true;
m_refreshTimer.AutoReset = true;
m_refreshTimer.Interval = m_refreshtime;
m_refreshTimer.Elapsed += new ElapsedEventHandler(HandleMaptileRefresh);
m_log.InfoFormat("[MAP IMAGE SERVICE MODULE]: enabled with refresh time {0}min and service object {1}",
refreshminutes, service);
m_enabled = true;
}
///<summary>
///
///</summary>
public void AddRegion(Scene scene)
{
if (! m_enabled)
return;
// Every shared region module has to maintain an indepedent list of
// currently running regions
lock (m_scenes)
m_scenes[scene.RegionInfo.RegionID] = scene;
scene.EventManager.OnRegionReadyStatusChange += s => { if (s.Ready) UploadMapTile(s); };
}
///<summary>
///
///</summary>
public void RemoveRegion(Scene scene)
{
if (! m_enabled)
return;
lock (m_scenes)
m_scenes.Remove(scene.RegionInfo.RegionID);
}
#endregion ISharedRegionModule
///<summary>
///
///</summary>
private void HandleMaptileRefresh(object sender, EventArgs ea)
{
// this approach is a bit convoluted becase we want to wait for the
// first upload to happen on startup but after all the objects are
// loaded and initialized
if (m_lastrefresh > 0 && Util.EnvironmentTickCountSubtract(m_lastrefresh) < m_refreshtime)
return;
m_log.DebugFormat("[MAP IMAGE SERVICE MODULE]: map refresh!");
lock (m_scenes)
{
foreach (IScene scene in m_scenes.Values)
{
try
{
UploadMapTile(scene);
}
catch (Exception ex)
{
m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: something bad happened {0}", ex.Message);
}
}
}
m_lastrefresh = Util.EnvironmentTickCount();
}
///<summary>
///
///</summary>
private void UploadMapTile(IScene scene)
{
m_log.DebugFormat("[MAP IMAGE SERVICE MODULE]: upload maptile for {0}", scene.RegionInfo.RegionName);
// Create a JPG map tile and upload it to the AddMapTile API
byte[] jpgData = Utils.EmptyBytes;
IMapImageGenerator tileGenerator = scene.RequestModuleInterface<IMapImageGenerator>();
if (tileGenerator == null)
{
m_log.Warn("[MAP IMAGE SERVICE MODULE]: Cannot upload PNG map tile without an ImageGenerator");
return;
}
using (Image mapTile = tileGenerator.CreateMapTile())
{
using (MemoryStream stream = new MemoryStream())
{
mapTile.Save(stream, ImageFormat.Jpeg);
jpgData = stream.ToArray();
}
}
if (jpgData == Utils.EmptyBytes)
{
m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: Tile image generation failed");
return;
}
string reason = string.Empty;
if (!m_MapService.AddMapTile((int)scene.RegionInfo.RegionLocX, (int)scene.RegionInfo.RegionLocY, jpgData, out reason))
{
m_log.DebugFormat("[MAP IMAGE SERVICE MODULE]: Unable to upload tile image for {0} at {1}-{2}: {3}",
scene.RegionInfo.RegionName, scene.RegionInfo.RegionLocX, scene.RegionInfo.RegionLocY, reason);
}
}
}
}
|
