aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Region/Application/OpenSimBase.cs
blob: e3a81d13e1c1b35b0736433d2e85874e73eb91ce (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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
/*
 * 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.Net;
using System.Reflection;
using System.Text;
using System.Threading;
using OpenMetaverse;
using log4net;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Framework.Communications;
using OpenSim.Framework.Communications.Cache;
using OpenSim.Framework.Console;
using OpenSim.Framework.Servers;
using OpenSim.Framework.Statistics;
using OpenSim.Region.ClientStack;
using OpenSim.Region.Communications.Local;
using OpenSim.Region.Communications.OGS1;
using OpenSim.Region.Environment;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Region.Physics.Manager;

namespace OpenSim
{
    /// <summary>
    /// Common OpenSim region service code
    /// </summary>
    public class OpenSimBase : RegionApplicationBase
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        protected string proxyUrl;
        protected int proxyOffset = 0;

        /// <summary>
        /// The file used to load and save prim backup xml if no filename has been specified
        /// </summary>
        protected const string DEFAULT_PRIM_BACKUP_FILENAME = "prim-backup.xml";

        /// <summary>
        /// The file used to load and save an opensim archive if no filename has been specified
        /// </summary>
        protected const string DEFAULT_OAR_BACKUP_FILENAME = "scene_oar.tar.gz";

        /// <summary>
        /// The file to load and save inventory if no filename has been specified
        /// </summary>
        protected const string DEFAULT_INV_BACKUP_FILENAME = "opensim_inv.tar.gz";

        protected ConfigSettings m_configSettings;

        public ConfigSettings ConfigurationSettings
        {
            get { return m_configSettings; }
            set { m_configSettings = value; }
        }

        protected ConfigurationLoader m_configLoader;

        protected GridInfoService m_gridInfoService;

        protected List<IClientNetworkServer> m_clientServers = new List<IClientNetworkServer>();
        protected List<RegionInfo> m_regionData = new List<RegionInfo>();

        public ConsoleCommand CreateAccount = null;
        
        protected List<IApplicationPlugin> m_plugins = new List<IApplicationPlugin>();

        /// <value>
        /// The config information passed into the OpenSim region server.
        /// </value>        
        public OpenSimConfigSource ConfigSource
        {
            get { return m_config; }
            set { m_config = value; }
        }
        protected OpenSimConfigSource m_config;

        public List<IClientNetworkServer> ClientServers
        {
            get { return m_clientServers; }
        }

        public List<RegionInfo> RegionData
        {
            get { return m_regionData; }
        }

        public new BaseHttpServer HttpServer
        {
            get { return m_httpServer; }
        }

        public uint HttpServerPort
        {
            get { return m_httpServerPort; }
        }

        protected ModuleLoader m_moduleLoader;

        public ModuleLoader ModuleLoader
        {
            get { return m_moduleLoader; }
            set { m_moduleLoader = value; }
        }

        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="configSource"></param>
        public OpenSimBase(IConfigSource configSource) : base()
        {
            LoadConfigSettings(configSource);
        }

        protected virtual void LoadConfigSettings(IConfigSource configSource)
        {
            m_configLoader = new ConfigurationLoader();
            m_config = m_configLoader.LoadConfigSettings(configSource, out m_configSettings, out m_networkServersInfo);
            ReadExtraConfigSettings();
        }

        protected virtual void ReadExtraConfigSettings()
        {
            IConfig networkConfig = m_config.Source.Configs["Network"];
            if (networkConfig != null)
            {
                proxyUrl = networkConfig.GetString("proxy_url", "");
                proxyOffset = Int32.Parse(networkConfig.GetString("proxy_offset", "0"));
            }
        }

        protected virtual void LoadPlugins()
        {
            PluginLoader<IApplicationPlugin> loader =
                new PluginLoader<IApplicationPlugin>(new ApplicationPluginInitialiser(this));

            loader.Load("/OpenSim/Startup");
            m_plugins = loader.Plugins;
        }

        /// <summary>
        /// Performs startup specific to this region server, including initialization of the scene 
        /// such as loading configuration from disk.
        /// </summary>
        protected override void StartupSpecific()
        {
            base.StartupSpecific();
            
            m_stats = StatsManager.StartCollectingSimExtraStats();
            
            LibraryRootFolder libraryRootFolder = new LibraryRootFolder(m_configSettings.LibrariesXMLFile);

            // StandAlone mode? is determined by !startupConfig.GetBoolean("gridmode", false)
            if (m_configSettings.Standalone)
            {
                InitialiseStandaloneServices(libraryRootFolder);
            }
            else
            {
                // We are in grid mode
                InitialiseGridServices(libraryRootFolder);
            }

            // Create a ModuleLoader instance
            m_moduleLoader = new ModuleLoader(m_config.Source);

            LoadPlugins();
                                    
            // Only enable logins to the regions once we have completely finished starting up (apart from scripts)
            m_commsManager.GridService.RegionLoginsEnabled = true;
        }

        /// <summary>
        /// Initialises the backend services for standalone mode, and registers some http handlers
        /// </summary>
        /// <param name="libraryRootFolder"></param>
        protected virtual void InitialiseStandaloneServices(LibraryRootFolder libraryRootFolder)
        {
            LocalInventoryService inventoryService = new LocalInventoryService();
            inventoryService.AddPlugin(m_configSettings.StandaloneInventoryPlugin, m_configSettings.StandaloneInventorySource);

            LocalUserServices userService =
                new LocalUserServices(
                    m_networkServersInfo.DefaultHomeLocX, m_networkServersInfo.DefaultHomeLocY, inventoryService);
            userService.AddPlugin(m_configSettings.StandaloneUserPlugin, m_configSettings.StandaloneUserSource);

            LocalBackEndServices backendService = new LocalBackEndServices();

            LocalLoginService loginService =
                new LocalLoginService(
                    userService, m_configSettings.StandaloneWelcomeMessage, inventoryService, backendService, m_networkServersInfo,
                    m_configSettings.StandaloneAuthenticate, libraryRootFolder);

            m_commsManager
                = new CommunicationsLocal(
                    m_networkServersInfo, m_httpServer, m_assetCache, userService, userService,
                    inventoryService, backendService, backendService, userService,
                    libraryRootFolder, m_configSettings.DumpAssetsToFile);

            // set up XMLRPC handler for client's initial login request message
            m_httpServer.AddXmlRPCHandler("login_to_simulator", loginService.XmlRpcLoginMethod);

            // provides the web form login
            m_httpServer.AddHTTPHandler("login", loginService.ProcessHTMLLogin);

            // Provides the LLSD login
            m_httpServer.SetDefaultLLSDHandler(loginService.LLSDLoginMethod);

            // provide grid info
            // m_gridInfoService = new GridInfoService(m_config.Source.Configs["Startup"].GetString("inifile", Path.Combine(Util.configDir(), "OpenSim.ini")));
            m_gridInfoService = new GridInfoService(m_config.Source);
            m_httpServer.AddXmlRPCHandler("get_grid_info", m_gridInfoService.XmlRpcGridInfoMethod);
            m_httpServer.AddStreamHandler(new RestStreamHandler("GET", "/get_grid_info", m_gridInfoService.RestGetGridInfoMethod));
        }

        protected virtual void InitialiseGridServices(LibraryRootFolder libraryRootFolder)
        {
            m_commsManager
                = new CommunicationsOGS1(m_networkServersInfo, m_httpServer, m_assetCache, libraryRootFolder);

            m_httpServer.AddStreamHandler(new SimStatusHandler());
        }

        protected override void Initialize()
        {
            //
            // Called from base.StartUp()
            //

            m_httpServerPort = m_networkServersInfo.HttpListenerPort;

            InitialiseAssetCache();

            m_sceneManager.OnRestartSim += handleRestartRegion;
        }

        /// <summary>
        /// Initialises the assetcache
        /// </summary>
        protected virtual void InitialiseAssetCache()
        {
            IAssetServer assetServer;
            if (m_configSettings.AssetStorage == "grid")
            {
                assetServer = new GridAssetClient(m_networkServersInfo.AssetURL);
            }
            else if (m_configSettings.AssetStorage == "cryptogrid") // Decrypt-Only
            {
                assetServer = new CryptoGridAssetClient(m_networkServersInfo.AssetURL,
                                                        Environment.CurrentDirectory, true);
            }
            else if (m_configSettings.AssetStorage == "cryptogrid_eou") // Encrypts All Assets
            {
                assetServer = new CryptoGridAssetClient(m_networkServersInfo.AssetURL,
                                                        Environment.CurrentDirectory, false);
            }
            else if (m_configSettings.AssetStorage == "file")
            {
                assetServer = new FileAssetClient(m_networkServersInfo.AssetURL);
            }
            else
            {
                SQLAssetServer sqlAssetServer = new SQLAssetServer(m_configSettings.StandaloneAssetPlugin, m_configSettings.StandaloneAssetSource);
                sqlAssetServer.LoadDefaultAssets(m_configSettings.AssetSetsXMLFile);
                assetServer = sqlAssetServer;
            }

            m_assetCache = new AssetCache(assetServer);
        }

        public void ProcessLogin(bool LoginEnabled)
        {
            if (LoginEnabled)
            {
                m_log.Info("[Login] Login are now enabled ");
                m_commsManager.GridService.RegionLoginsEnabled = true;
            }
            else
            {
                m_log.Info("[Login] Login are now disabled ");
                m_commsManager.GridService.RegionLoginsEnabled = false;  
            }           
        }

        /// <summary>
        /// Execute the region creation process.  This includes setting up scene infrastructure.
        /// </summary>
        /// <param name="regionInfo"></param>
        /// <param name="portadd_flag"></param>
        /// <returns></returns>
        public IClientNetworkServer CreateRegion(RegionInfo regionInfo, bool portadd_flag)
        {
            return CreateRegion(regionInfo, portadd_flag, false);
        }

        /// <summary>
        /// Execute the region creation process.  This includes setting up scene infrastructure.
        /// </summary>
        /// <param name="regionInfo"></param>
        /// <returns></returns>
        public IClientNetworkServer CreateRegion(RegionInfo regionInfo)
        {
            return CreateRegion(regionInfo, false, true);
        }

        /// <summary>
        /// Execute the region creation process.  This includes setting up scene infrastructure.
        /// </summary>
        /// <param name="regionInfo"></param>
        /// <param name="portadd_flag"></param>
        /// <param name="do_post_init"></param>
        /// <returns></returns>
        public IClientNetworkServer CreateRegion(RegionInfo regionInfo, bool portadd_flag, bool do_post_init)
        {
            int port = regionInfo.InternalEndPoint.Port;

            // set initial originRegionID to RegionID in RegionInfo. (it needs for loding prims)
            regionInfo.originRegionID = regionInfo.RegionID;

            // set initial ServerURI
            regionInfo.ServerURI = "http://" + regionInfo.ExternalHostName + ":" + regionInfo.InternalEndPoint.Port;
            regionInfo.HttpPort = m_httpServerPort;

            if ((proxyUrl.Length > 0) && (portadd_flag))
            {
                // set proxy url to RegionInfo
                regionInfo.proxyUrl = proxyUrl;
                Util.XmlRpcCommand(proxyUrl, "AddPort", port, port + proxyOffset, regionInfo.ExternalHostName);
            }

            IClientNetworkServer clientServer;
            Scene scene = SetupScene(regionInfo, proxyOffset, m_config.Source, out clientServer);

            m_log.Info("[MODULES]: Loading Region's modules");

            List<IRegionModule> modules = m_moduleLoader.PickupModules(scene, ".");
            
            // This needs to be ahead of the script engine load, so the
            // script module can pick up events exposed by a module
            m_moduleLoader.InitialiseSharedModules(scene);

            scene.SetModuleInterfaces();
            
            // Prims have to be loaded after module configuration since some modules may be invoked during the load            
            scene.LoadPrimsFromStorage(regionInfo.originRegionID);
            
            scene.StartTimer();

            // moved these here as the terrain texture has to be created after the modules are initialized
            // and has to happen before the region is registered with the grid.
            scene.CreateTerrainTexture(false);

            try
            {
                scene.RegisterRegionWithGrid();
            }
            catch (Exception e)
            {
                m_log.ErrorFormat("[STARTUP]: Registration of region with grid failed, aborting startup - {0}", e);

                // Carrying on now causes a lot of confusion down the
                // line - we need to get the user's attention
                System.Environment.Exit(1);
            }

            // We need to do this after we've initialized the
            // scripting engines.
            scene.CreateScriptInstances();

            scene.loadAllLandObjectsFromStorage(regionInfo.originRegionID);
            scene.EventManager.TriggerParcelPrimCountUpdate();

            m_sceneManager.Add(scene);

            m_clientServers.Add(clientServer);
            m_regionData.Add(regionInfo);
            clientServer.Start();

            if (do_post_init)
            {
                foreach (IRegionModule module in modules)
                {
                    module.PostInitialise();
                }
            }

            return clientServer;
        }

        public void RemoveRegion(Scene scene, bool cleanup)
        {
            // only need to check this if we are not at the
            // root level
            if ((m_sceneManager.CurrentScene != null) &&
                (m_sceneManager.CurrentScene.RegionInfo.RegionID == scene.RegionInfo.RegionID))
            {
                m_sceneManager.TrySetCurrentScene("..");
            }
            
            scene.DeleteAllSceneObjects();
            m_regionData.Remove(scene.RegionInfo);
            m_sceneManager.CloseScene(scene);

            if (!cleanup) 
                return;

            if (!String.IsNullOrEmpty(scene.RegionInfo.RegionFile))
            {
                File.Delete(scene.RegionInfo.RegionFile);
                m_log.InfoFormat("[OPENSIM MAIN] deleting region file \"{0}\"", scene.RegionInfo.RegionFile);
            }
        }

        public void RemoveRegion(string name, bool cleanUp)
        {
            Scene target;
            if (m_sceneManager.TryGetScene(name, out target))
                RemoveRegion(target, cleanUp);
        }

        protected override StorageManager CreateStorageManager()
        {
            return CreateStorageManager(m_configSettings.StorageConnectionString, m_configSettings.EstateConnectionString);
        }

        protected StorageManager CreateStorageManager(string connectionstring, string estateconnectionstring)
        {
            return new StorageManager(m_configSettings.StorageDll, connectionstring, estateconnectionstring);
        }

        protected override ClientStackManager CreateClientStackManager()
        {
            return new ClientStackManager(m_configSettings.ClientstackDll);
        }

        protected override Scene CreateScene(RegionInfo regionInfo, StorageManager storageManager,
                                             AgentCircuitManager circuitManager)
        {
            SceneCommunicationService sceneGridService = new SceneCommunicationService(m_commsManager);
            
            return new Scene(
                regionInfo, circuitManager, m_commsManager, sceneGridService, m_assetCache,
                storageManager, m_moduleLoader, m_configSettings.DumpAssetsToFile, m_configSettings.PhysicalPrim, 
                m_configSettings.See_into_region_from_neighbor, m_config.Source, m_version);
        }

        public void handleRestartRegion(RegionInfo whichRegion)
        {
            m_log.Error("[OPENSIM MAIN]: Got restart signal from SceneManager");

            // Shutting down the client server
            bool foundClientServer = false;
            int clientServerElement = 0;

            for (int i = 0; i < m_clientServers.Count; i++)
            {
                //--> Melanie, the following needs to be fixed
                // the Equals override is not returning true if the locations are actually equal
                if (m_clientServers[i].HandlesRegion(new Location(whichRegion.RegionHandle)))
                {
                    clientServerElement = i;
                    foundClientServer = true;
                    break;
                }
            }
            if (foundClientServer)
            {
                m_clientServers[clientServerElement].Server.Close();
                m_clientServers.RemoveAt(clientServerElement);
            }

            //Removing the region from the sim's database of regions..
            int RegionHandleElement = -1;
            for (int i = 0; i < m_regionData.Count; i++)
            {
                if (whichRegion.RegionHandle == m_regionData[i].RegionHandle)
                {
                    RegionHandleElement = i;
                }
            }
            if (RegionHandleElement >= 0)
            {
                m_regionData.RemoveAt(RegionHandleElement);
            }

            CreateRegion(whichRegion, true);
        }

        # region Setup methods

        protected override PhysicsScene GetPhysicsScene(string osSceneIdentifier)
        {
            return GetPhysicsScene(
                m_configSettings.PhysicsEngine, m_configSettings.MeshEngineName, m_config.Source, osSceneIdentifier);
        }

        /// <summary>
        /// Handler to supply the current status of this sim
        /// </summary>
        /// Currently this is always OK if the simulator is still listening for connections on its HTTP service
        protected class SimStatusHandler : IStreamedRequestHandler
        {
            public byte[] Handle(string path, Stream request,
                                 OSHttpRequest httpRequest, OSHttpResponse httpResponse)
            {
                return Encoding.UTF8.GetBytes("OK");
            }

            public string ContentType
            {
                get { return "text/plain"; }
            }

            public string HttpMethod
            {
                get { return "GET"; }
            }

            public string Path
            {
                get { return "/simstatus/"; }
            }
        }

        #endregion

        /// <summary>
        /// Performs any last-minute sanity checking and shuts down the region server
        /// </summary>
        public override void ShutdownSpecific()
        {
            if (proxyUrl.Length > 0)
            {
                Util.XmlRpcCommand(proxyUrl, "Stop");
            }

            m_log.Info("[SHUTDOWN]: Closing all threads");
            m_log.Info("[SHUTDOWN]: Killing listener thread");
            m_log.Info("[SHUTDOWN]: Killing clients");
            // TODO: implement this
            m_log.Info("[SHUTDOWN]: Closing console and terminating");

            try
            {   
                m_sceneManager.Close();
            }
            catch (Exception e)
            {
                m_log.ErrorFormat("[SHUTDOWN]: Ignoring failure during shutdown - {0}", e);
            }
        }

        /// <summary>
        /// Get the start time and up time of Region server
        /// </summary>
        /// <param name="starttime">The first out parameter describing when the Region server started</param>
        /// <param name="uptime">The second out parameter describing how long the Region server has run</param>
        public void GetRunTime(out string starttime, out string uptime)
        {
            starttime = m_startuptime.ToString();
            uptime = (DateTime.Now - m_startuptime).ToString();
        }

        /// <summary>
        /// Get the number of the avatars in the Region server
        /// </summary>
        /// <param name="usernum">The first out parameter describing the number of all the avatars in the Region server</param>
        public void GetAvatarNumber(out int usernum)
        {
            usernum = m_sceneManager.GetCurrentSceneAvatars().Count;
        }

        /// <summary>
        /// Get the number of regions
        /// </summary>
        /// <param name="regionnum">The first out parameter describing the number of regions</param>
        public void GetRegionNumber(out int regionnum)
        {
            regionnum = m_sceneManager.Scenes.Count;
        }
    }

    public class OpenSimConfigSource
    {
        public IConfigSource Source;

        public void Save(string path)
        {
            if (Source is IniConfigSource)
            {
                IniConfigSource iniCon = (IniConfigSource)Source;
                iniCon.Save(path);
            }
            else if (Source is XmlConfigSource)
            {
                XmlConfigSource xmlCon = (XmlConfigSource)Source;
                xmlCon.Save(path);
            }
        }
    }
}