aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/ApplicationPlugins/LoadRegions/LoadRegionsPlugin.cs
blob: 6fd3d301a58ea761c0115c094cc761da77ea2b4c (plain)
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
/*
 * 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.Threading;
using log4net;
using OpenSim.Framework;
using OpenSim.Framework.RegionLoader.Filesystem;
using OpenSim.Framework.RegionLoader.Web;
using OpenSim.Region.CoreModules.Agent.AssetTransaction;
using OpenSim.Region.CoreModules.Avatar.InstantMessage;
using OpenSim.Region.CoreModules.Scripting.DynamicTexture;
using OpenSim.Region.CoreModules.Scripting.LoadImageURL;
using OpenSim.Region.CoreModules.Scripting.XMLRPC;

namespace OpenSim.ApplicationPlugins.LoadRegions
{
    public class LoadRegionsPlugin : IApplicationPlugin, IRegionCreator
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        public event NewRegionCreated OnNewRegionCreated;
        private NewRegionCreated m_newRegionCreatedHandler;

        #region IApplicationPlugin Members

        // TODO: required by IPlugin, but likely not at all right
        private string m_name = "LoadRegionsPlugin";
        private string m_version = "0.0";

        public string Version
        {
            get { return m_version; }
        }

        public string Name
        {
            get { return m_name; }
        }

        protected OpenSimBase m_openSim;

        public void Initialise()
        {
            m_log.Error("[LOADREGIONS]: " + Name + " cannot be default-initialized!");
            throw new PluginNotInitialisedException(Name);
        }

        public void Initialise(OpenSimBase openSim)
        {
            m_openSim = openSim;
            m_openSim.ApplicationRegistry.RegisterInterface<IRegionCreator>(this);
        }

        public void PostInitialise()
        {
            //m_log.Info("[LOADREGIONS]: Load Regions addin being initialised");

            IRegionLoader regionLoader;
            if (m_openSim.ConfigSource.Source.Configs["Startup"].GetString("region_info_source", "filesystem") == "filesystem")
            {
                m_log.Info("[LOADREGIONS]: Loading region configurations from filesystem");
                regionLoader = new RegionLoaderFileSystem();
            }
            else
            {
                m_log.Info("[LOADREGIONSPLUGIN]: Loading region configurations from web");
                regionLoader = new RegionLoaderWebServer();
            }

            m_log.Info("[LOADREGIONSPLUGIN]: Loading region configurations...");

            regionLoader.SetIniConfigSource(m_openSim.ConfigSource.Source);
            RegionInfo[] regionsToLoad = regionLoader.LoadRegions();

            m_log.Info("[LOADREGIONSPLUGIN]: Loading specific shared modules...");
            m_log.Info("[LOADREGIONSPLUGIN]: DynamicTextureModule...");
            m_openSim.ModuleLoader.LoadDefaultSharedModule(new DynamicTextureModule());
            m_log.Info("[LOADREGIONSPLUGIN]: InstantMessageModule...");
            m_openSim.ModuleLoader.LoadDefaultSharedModule(new InstantMessageModule());
            m_log.Info("[LOADREGIONSPLUGIN]: LoadImageURLModule...");
            m_openSim.ModuleLoader.LoadDefaultSharedModule(new LoadImageURLModule());
            m_log.Info("[LOADREGIONSPLUGIN]: XMLRPCModule...");
            m_openSim.ModuleLoader.LoadDefaultSharedModule(new XMLRPCModule());
            m_log.Info("[LOADREGIONSPLUGIN]: AssetTransactionModule...");
            m_openSim.ModuleLoader.LoadDefaultSharedModule(new AssetTransactionModule());
            m_log.Info("[LOADREGIONSPLUGIN]: Done.");

            if (!CheckRegionsForSanity(regionsToLoad))
            {
                m_log.Error("[LOADREGIONS]: Halting startup due to conflicts in region configurations");
                Environment.Exit(1);
            }

            for (int i = 0; i < regionsToLoad.Length; i++)
            {
                IScene scene;
                m_log.Debug("[LOADREGIONS]: Creating Region: " + regionsToLoad[i].RegionName + " (ThreadID: " +
                            Thread.CurrentThread.ManagedThreadId.ToString() +
                            ")");
                m_openSim.CreateRegion(regionsToLoad[i], true, out scene);
                if (scene != null)
                {
                    m_newRegionCreatedHandler = OnNewRegionCreated;
                    if (m_newRegionCreatedHandler != null)
                    {
                        m_newRegionCreatedHandler(scene);
                    }
                }
            }

            m_openSim.ModuleLoader.PostInitialise();
            m_openSim.ModuleLoader.ClearCache();
        }

        public void Dispose()
        {
        }

        #endregion

        /// <summary>
        /// Check that region configuration information makes sense.
        /// </summary>
        /// <param name="regions"></param>
        /// <returns>True if we're sane, false if we're insane</returns>
        private bool CheckRegionsForSanity(RegionInfo[] regions)
        {
            if (regions.Length <= 1)
                return true;

            for (int i = 0; i < regions.Length - 1; i++)
            {
                for (int j = i + 1; j < regions.Length; j++)
                {
                    if (regions[i].RegionID == regions[j].RegionID)
                    {
                        m_log.ErrorFormat(
                            "[LOADREGIONS]: Regions {0} and {1} have the same UUID {2}",
                            regions[i].RegionName, regions[j].RegionName, regions[i].RegionID);
                        return false;
                    }
                    else if (
                        regions[i].RegionLocX == regions[j].RegionLocX && regions[i].RegionLocY == regions[j].RegionLocY)
                    {
                        m_log.ErrorFormat(
                            "[LOADREGIONS]: Regions {0} and {1} have the same grid location ({2}, {3})",
                            regions[i].RegionName, regions[j].RegionName, regions[i].RegionLocX, regions[i].RegionLocY);
                        return false;
                    }
                    else if (regions[i].InternalEndPoint.Port == regions[j].InternalEndPoint.Port)
                    {
                        m_log.ErrorFormat(
                            "[LOADREGIONS]: Regions {0} and {1} have the same internal IP port {2}",
                            regions[i].RegionName, regions[j].RegionName, regions[i].InternalEndPoint.Port);
                        return false;
                    }
                }
            }

            return true;
        }

        public void LoadRegionFromConfig(OpenSimBase openSim, ulong regionhandle)
        {
            m_log.Info("[LOADREGIONS]: Load Regions addin being initialised");

            IRegionLoader regionLoader;
            if (openSim.ConfigSource.Source.Configs["Startup"].GetString("region_info_source", "filesystem") == "filesystem")
            {
                m_log.Info("[LOADREGIONS]: Loading Region Info from filesystem");
                regionLoader = new RegionLoaderFileSystem();
            }
            else
            {
                m_log.Info("[LOADREGIONS]: Loading Region Info from web");
                regionLoader = new RegionLoaderWebServer();
            }

            regionLoader.SetIniConfigSource(openSim.ConfigSource.Source);
            RegionInfo[] regionsToLoad = regionLoader.LoadRegions();
            for (int i = 0; i < regionsToLoad.Length; i++)
            {
                if (regionhandle == regionsToLoad[i].RegionHandle)
                {
                    IScene scene;
                    m_log.Debug("[LOADREGIONS]: Creating Region: " + regionsToLoad[i].RegionName + " (ThreadID: " +
                                Thread.CurrentThread.ManagedThreadId.ToString() + ")");
                    openSim.CreateRegion(regionsToLoad[i], true, out scene);
                }
            }
        }
    }
}