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
|
/*
* 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.Reflection;
using OpenSim.Framework.Console;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.Environment.Modules;
using OpenSim.Region.Environment.Scenes;
namespace OpenSim.Region.Environment
{
public class ModuleLoader
{
public Dictionary<string, Assembly> LoadedAssemblys = new Dictionary<string, Assembly>();
public List<IRegionModule> LoadedModules = new List<IRegionModule>();
public Dictionary<string, IRegionModule> LoadedSharedModules = new Dictionary<string, IRegionModule>();
private readonly LogBase m_log;
public ModuleLoader(LogBase log)
{
m_log = log;
}
public void PickupModules(Scene scene, string moduleDir)
{
DirectoryInfo dir = new DirectoryInfo(moduleDir);
foreach (FileInfo fileInfo in dir.GetFiles("*.dll"))
{
LoadRegionModules(fileInfo.FullName, scene);
}
}
public void LoadDefaultSharedModules()
{
DynamicTextureModule dynamicModule = new DynamicTextureModule();
LoadedSharedModules.Add(dynamicModule.Name, dynamicModule);
}
public void InitialiseSharedModules(Scene scene)
{
foreach (IRegionModule module in LoadedSharedModules.Values)
{
module.Initialise(scene);
scene.AddModule(module.Name, module); //should be doing this?
}
}
private void InitializeModule(IRegionModule module, Scene scene)
{
module.Initialise(scene);
scene.AddModule(module.Name, module);
LoadedModules.Add(module);
}
/// <summary>
/// Loads/initialises a Module instance that can be used by mutliple Regions
/// </summary>
/// <param name="dllName"></param>
/// <param name="moduleName"></param>
/// <param name="scene"></param>
public void LoadSharedModule(string dllName, string moduleName)
{
IRegionModule module = LoadModule(dllName, moduleName);
if (module != null)
{
LoadedSharedModules.Add(module.Name, module);
}
}
public void LoadRegionModules(string dllName, Scene scene)
{
IRegionModule[] modules = LoadModules(dllName);
if (modules.Length > 0)
{
m_log.Verbose("MODULES", "Found Module Library [{0}]", dllName );
foreach (IRegionModule module in modules)
{
m_log.Verbose("MODULES", " [{0}]: Initializing.", module.Name);
InitializeModule(module, scene);
}
}
}
public void LoadRegionModule(string dllName, string moduleName, Scene scene)
{
IRegionModule module = LoadModule(dllName, moduleName);
if (module != null)
{
InitializeModule(module, scene);
}
}
/// <summary>
/// Loads a external Module (if not already loaded) and creates a new instance of it.
/// </summary>
/// <param name="dllName"></param>
/// <param name="moduleName"></param>
/// <param name="scene"></param>
public IRegionModule LoadModule(string dllName, string moduleName)
{
IRegionModule[] modules = LoadModules(dllName);
foreach (IRegionModule module in modules)
{
if ((module != null) && (module.Name == moduleName))
{
return module;
}
}
return null;
}
public IRegionModule[] LoadModules(string dllName)
{
List<IRegionModule> modules = new List<IRegionModule>();
Assembly pluginAssembly;
if (!LoadedAssemblys.TryGetValue(dllName, out pluginAssembly ))
{
try
{
pluginAssembly = Assembly.LoadFrom(dllName);
LoadedAssemblys.Add(dllName, pluginAssembly);
}
catch( BadImageFormatException e )
{
m_log.Warn( "MODULES", "The file [{0}] is not a module assembly.", e.FileName );
}
}
if (pluginAssembly != null)
{
foreach (Type pluginType in pluginAssembly.GetTypes())
{
if (pluginType.IsPublic)
{
if (!pluginType.IsAbstract)
{
//if (dllName.Contains("OpenSim.Region.Environment"))
//{
// int i = 1;
// i++;
//}
if( pluginType.GetInterface("IRegionModule") != null )
{
modules.Add((IRegionModule) Activator.CreateInstance(pluginType));
}
}
}
}
}
return modules.ToArray();
}
public void PostInitialise()
{
foreach (IRegionModule module in LoadedSharedModules.Values)
{
module.PostInitialise();
}
foreach (IRegionModule module in LoadedModules)
{
module.PostInitialise();
}
}
public void ClearCache()
{
LoadedAssemblys.Clear();
}
}
}
|
