aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim.RegionServer/OpenSimMain.cs
blob: fa130648740debba812142182c208dc57ae5341f (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
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
/*
Copyright (c) OpenSim project, http://osgrid.org/

* All rights reserved.
*
* 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 <organization> 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 <copyright holder> ``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 <copyright holder> 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.Text;
using System.IO;
using System.Threading;
using System.Net;
using System.Net.Sockets;
using System.Timers;
using System.Reflection;
using System.Collections;
using System.Collections.Generic;
using libsecondlife;
using libsecondlife.Packets;
using OpenSim.world;
using OpenSim.Terrain;
using OpenSim.Framework.Interfaces;
using OpenSim.Framework.Types;
using OpenSim.UserServer;
using OpenSim.Assets;
using OpenSim.CAPS;
using OpenSim.Framework.Console;
using OpenSim.Physics.Manager;
using Nwc.XmlRpc;
using OpenSim.Servers;
using OpenSim.GenericConfig;

namespace OpenSim
{

    public class OpenSimMain : OpenSimNetworkHandler, conscmd_callback
    {
        //private SimConfig Cfg;
        private IGenericConfig localConfig;
        //private IGenericConfig remoteConfig;
        private PhysicsManager physManager;
        private Grid GridServers;
        private PacketServer _packetServer;
        private World LocalWorld;
        private AssetCache AssetCache;
        private InventoryCache InventoryCache;
        //private Dictionary<uint, SimClient> ClientThreads = new Dictionary<uint, SimClient>();
        private Dictionary<EndPoint, uint> clientCircuits = new Dictionary<EndPoint, uint>();
        private DateTime startuptime;
        private RegionInfo regionData;

        public Socket Server;
        private IPEndPoint ServerIncoming;
        private byte[] RecvBuffer = new byte[4096];
        private byte[] ZeroBuffer = new byte[8192];
        private IPEndPoint ipeSender;
        private EndPoint epSender;
        private AsyncCallback ReceivedData;

        private System.Timers.Timer m_heartbeatTimer = new System.Timers.Timer();
        //private string ConfigDll = "OpenSim.Config.SimConfigDb4o.dll";
        public string m_physicsEngine;
        public bool m_sandbox = false;
        public bool m_loginserver;
        public OpenGridProtocolServer OGSServer;
        public bool user_accounts = false;
        public bool gridLocalAsset = false;
        private bool configFileSetup = false;
        public string m_config;

        protected ConsoleBase m_console;

        public OpenSimMain(bool sandBoxMode, bool startLoginServer, string physicsEngine, bool useConfigFile, bool verbose, string configFile)
        {
            this.configFileSetup = useConfigFile;
            m_sandbox = sandBoxMode;
            m_loginserver = startLoginServer;
            m_physicsEngine = physicsEngine;
            m_config = configFile;

            m_console = new ConsoleBase("region-console-" + Guid.NewGuid().ToString() + ".log", "Region", this, verbose);
            OpenSim.Framework.Console.MainConsole.Instance = m_console;
        }

        /// <summary>
        /// Performs initialisation of the world, such as loading configuration from disk.
        /// </summary>
        public virtual void StartUp()
        {
            this.regionData = new RegionInfo();
            try
            {
                this.localConfig = new XmlConfig(m_config);
                this.localConfig.LoadData();
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            if (this.configFileSetup)
            {
                this.SetupFromConfigFile(this.localConfig);
            }
            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:Startup() - Loading configuration");
            this.regionData.InitConfig(this.m_sandbox, this.localConfig);
            this.localConfig.Close();//for now we can close it as no other classes read from it , but this should change


            GridServers = new Grid();
            if (m_sandbox)
            {
                GridServers.AssetDll = "OpenSim.GridInterfaces.Local.dll";
                GridServers.GridDll = "OpenSim.GridInterfaces.Local.dll";

                m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Starting in Sandbox mode");
            }
            else
            {
                if (this.gridLocalAsset)
                {
                    GridServers.AssetDll = "OpenSim.GridInterfaces.Local.dll";
                }
                else
                {
                    GridServers.AssetDll = "OpenSim.GridInterfaces.Remote.dll";
                }
                GridServers.GridDll = "OpenSim.GridInterfaces.Remote.dll";

                m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Starting in Grid mode");
            }

            try
            {
                GridServers.Initialise();
            }
            catch (Exception e)
            {
                m_console.WriteLine(OpenSim.Framework.Console.LogPriority.HIGH,e.Message + "\nSorry, could not setup the grid interface");
                Environment.Exit(1);
            }

            startuptime = DateTime.Now;

            try
            {
                AssetCache = new AssetCache(GridServers.AssetServer);
                InventoryCache = new InventoryCache();
            }
            catch (Exception e)
            {
                m_console.WriteLine(OpenSim.Framework.Console.LogPriority.HIGH,e.Message + "\nSorry, could not setup local cache");
                Environment.Exit(1);
            }

            PacketServer packetServer = new PacketServer(this);


            //should be passing a IGenericConfig object to these so they can read the config data they want from it
            GridServers.AssetServer.SetServerInfo(regionData.AssetURL, regionData.AssetSendKey);
            IGridServer gridServer = GridServers.GridServer;
            gridServer.SetServerInfo(regionData.GridURL, regionData.GridSendKey, regionData.GridRecvKey);

            if (!m_sandbox)
            {
                if (GridServers.GridServer.RequestConnection(regionData.SimUUID, regionData.IPListenAddr, (uint)regionData.IPListenPort))
                {
                    m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:Startup() - Success: Got a grid connection OK!");
                }
                else
                {
                    m_console.WriteLine(OpenSim.Framework.Console.LogPriority.CRITICAL,"Main.cs:Startup() - FAILED: Unable to get connection to grid. Shutting down.");
                    Shutdown();
                }

                GridServers.AssetServer.SetServerInfo((string)((RemoteGridBase)GridServers.GridServer).GridData["asset_url"], (string)((RemoteGridBase)GridServers.GridServer).GridData["asset_sendkey"]);

                // If we are being told to load a file, load it.
                string dataUri = (string)((RemoteGridBase)GridServers.GridServer).GridData["data_uri"];
                
                if ( !String.IsNullOrEmpty( dataUri ) )
                {
                    this.LocalWorld.m_datastore = dataUri;
                }

                if (((RemoteGridBase)(GridServers.GridServer)).GridData["regionname"].ToString() != "")
                {
                    // The grid server has told us who we are
                    // We must obey the grid server.
                    try
                    {
                        regionData.RegionLocX = Convert.ToUInt32(((RemoteGridBase)(GridServers.GridServer)).GridData["region_locx"].ToString());
                        regionData.RegionLocY = Convert.ToUInt32(((RemoteGridBase)(GridServers.GridServer)).GridData["region_locy"].ToString());
                        regionData.RegionName = ((RemoteGridBase)(GridServers.GridServer)).GridData["regionname"].ToString();
                    }
                    catch (Exception e)
                    {
                        m_console.WriteLine(OpenSim.Framework.Console.LogPriority.CRITICAL,e.Message + "\nBAD ERROR! THIS SHOULD NOT HAPPEN! Bad GridData from the grid interface!!!! ZOMG!!!");
                        Environment.Exit(1);
                    }
                }

            }


            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.NORMAL,"Main.cs:Startup() - We are " + regionData.RegionName + " at " + regionData.RegionLocX.ToString() + "," + regionData.RegionLocY.ToString());
            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Initialising world");
            m_console.componentname = "Region " + regionData.RegionName;
            LocalWorld = new World(this._packetServer.ClientThreads, regionData, regionData.RegionHandle, regionData.RegionName);
            LocalWorld.InventoryCache = InventoryCache;
            LocalWorld.AssetCache = AssetCache;

            this._packetServer.LocalWorld = LocalWorld;
            this._packetServer.RegisterClientPacketHandlers();

            this.physManager = new OpenSim.Physics.Manager.PhysicsManager();
            this.physManager.LoadPlugins();

            LocalWorld.m_datastore = this.regionData.DataStore;

            LocalWorld.LoadStorageDLL("OpenSim.Storage.LocalStorageDb4o.dll"); //all these dll names shouldn't be hard coded.
            LocalWorld.LoadWorldMap();

            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:Startup() - Starting up messaging system");
            LocalWorld.PhysScene = this.physManager.GetPhysicsScene(this.m_physicsEngine); //should be reading from the config file what physics engine to use
            LocalWorld.PhysScene.SetTerrain(LocalWorld.Terrain.getHeights1D());


            LocalWorld.LoadPrimsFromStorage();

            if (m_sandbox)
            {
                AssetCache.LoadDefaultTextureSet();
            }

            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:Startup() - Initialising HTTP server");
            // HttpServer = new SimCAPSHTTPServer(GridServers.GridServer, Cfg.IPListenPort);

            BaseHttpServer httpServer = new BaseHttpServer(regionData.IPListenPort);

            if (gridServer.GetName() == "Remote")
            {
                // should startup the OGS protocol server here
                // Are we actually using this?
                OGSServer = new OpenGridProtocolServer(this.regionData.IPListenPort - 500); // Changed so we can have more than one OGSServer per machine.

                // we are in Grid mode so set a XmlRpc handler to handle "expect_user" calls from the user server
                httpServer.AddXmlRPCHandler("expect_user",
                    delegate(XmlRpcRequest request)
                    {
                        Hashtable requestData = (Hashtable)request.Params[0];
                        AgentCircuitData agent_data = new AgentCircuitData();
                        agent_data.SessionID = new LLUUID((string)requestData["session_id"]);
                        agent_data.SecureSessionID = new LLUUID((string)requestData["secure_session_id"]);
                        agent_data.firstname = (string)requestData["firstname"];
                        agent_data.lastname = (string)requestData["lastname"];
                        agent_data.AgentID = new LLUUID((string)requestData["agent_id"]);
                        agent_data.circuitcode = Convert.ToUInt32(requestData["circuit_code"]);
                        if (requestData.ContainsKey("child_agent") && requestData["child_agent"].Equals("1"))
                        {
                            agent_data.child = true;
                        }
                        else
                        {
                            agent_data.startpos = new LLVector3(Convert.ToUInt32(requestData["startpos_x"]), Convert.ToUInt32(requestData["startpos_y"]), Convert.ToUInt32(requestData["startpos_z"]));
                            agent_data.child = false;
                        }

                        if (((RemoteGridBase)gridServer).agentcircuits.ContainsKey((uint)agent_data.circuitcode))
                        {
                            ((RemoteGridBase)gridServer).agentcircuits[(uint)agent_data.circuitcode] = agent_data;
                        }
                        else
                        {
                            ((RemoteGridBase)gridServer).agentcircuits.Add((uint)agent_data.circuitcode, agent_data);
                        }

                        return new XmlRpcResponse();
                    });

                httpServer.AddXmlRPCHandler("agent_crossing",
                    delegate(XmlRpcRequest request)
                    {
                        Hashtable requestData = (Hashtable)request.Params[0];
                        AgentCircuitData agent_data = new AgentCircuitData();
                        agent_data.firstname = (string)requestData["firstname"];
                        agent_data.lastname = (string)requestData["lastname"];
                        agent_data.circuitcode = Convert.ToUInt32(requestData["circuit_code"]);
                        agent_data.startpos = new LLVector3(Single.Parse((string)requestData["pos_x"]), Single.Parse((string)requestData["pos_y"]), Single.Parse((string)requestData["pos_z"]));

                        if (((RemoteGridBase)gridServer).agentcircuits.ContainsKey((uint)agent_data.circuitcode))
                        {
                            ((RemoteGridBase)gridServer).agentcircuits[(uint)agent_data.circuitcode].firstname = agent_data.firstname;
                            ((RemoteGridBase)gridServer).agentcircuits[(uint)agent_data.circuitcode].lastname = agent_data.lastname;
                            ((RemoteGridBase)gridServer).agentcircuits[(uint)agent_data.circuitcode].startpos = agent_data.startpos;
                        }

                        return new XmlRpcResponse();
                    });

                httpServer.AddRestHandler("GET", "/simstatus/",
                    delegate(string request, string path, string param)
                    {
                        return "OK";
                    });
            }

            LoginServer loginServer = null;
            LoginServer adminLoginServer = null;

            bool sandBoxWithLoginServer = m_loginserver && m_sandbox;
            if (sandBoxWithLoginServer)
            {
                loginServer = new LoginServer(gridServer, regionData.IPListenAddr, regionData.IPListenPort,regionData.RegionLocX, regionData.RegionLocY, this.user_accounts);
                loginServer.Startup();

                if (user_accounts)
                {
                    //sandbox mode with loginserver using accounts
                    this.GridServers.UserServer = loginServer;
                    adminLoginServer = loginServer;

                    httpServer.AddXmlRPCHandler("login_to_simulator", loginServer.LocalUserManager.XmlRpcLoginMethod);
                }
                else
                {
                    //sandbox mode with loginserver not using accounts
                    httpServer.AddXmlRPCHandler("login_to_simulator", loginServer.XmlRpcLoginMethod);
                }
            }

            AdminWebFront adminWebFront = new AdminWebFront("Admin", LocalWorld, InventoryCache, adminLoginServer);
            adminWebFront.LoadMethods(httpServer);

            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:Startup() - Starting HTTP server");
            httpServer.Start();

            if (gridServer.GetName() == "Remote")
            {
                m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:Startup() - Starting up OGS protocol server");
                OGSServer.Start();
            }

            MainServerListener();

            m_heartbeatTimer.Enabled = true;
            m_heartbeatTimer.Interval = 100;
            m_heartbeatTimer.Elapsed += new ElapsedEventHandler(this.Heartbeat);
        }

        private void SetupFromConfigFile(IGenericConfig configData)
        {
            try
            {
                // SandBoxMode
                string attri = "";
                attri = configData.GetAttribute("SandBox");
                if ((attri == "") || ((attri != "false") && (attri != "true")))
                {
                    this.m_sandbox = false;
                    configData.SetAttribute("SandBox", "false");
                }
                else
                {
                    this.m_sandbox = Convert.ToBoolean(attri);
                }

                // LoginServer
                attri = "";
                attri = configData.GetAttribute("LoginServer");
                if ((attri == "") || ((attri != "false") && (attri != "true")))
                {
                    this.m_loginserver = false;
                    configData.SetAttribute("LoginServer", "false");
                }
                else
                {
                    this.m_loginserver = Convert.ToBoolean(attri);
                }

                // Sandbox User accounts
                attri = "";
                attri = configData.GetAttribute("UserAccount");
                if ((attri == "") || ((attri != "false") && (attri != "true")))
                {
                    this.user_accounts = false;
                    configData.SetAttribute("UserAccounts", "false");
                }
                else if (attri == "true")
                {
                    this.user_accounts = Convert.ToBoolean(attri);
                }

                // Grid mode hack to use local asset server
                attri = "";
                attri = configData.GetAttribute("LocalAssets");
                if ((attri == "") || ((attri != "false") && (attri != "true")))
                {
                    this.gridLocalAsset = false;
                    configData.SetAttribute("LocalAssets", "false");
                }
                else if (attri == "true")
                {
                    this.gridLocalAsset = Convert.ToBoolean(attri);
                }


                attri = "";
                attri = configData.GetAttribute("PhysicsEngine");
                switch (attri)
                {
                    default:
                        m_console.WriteLine(OpenSim.Framework.Console.LogPriority.MEDIUM,"Main.cs: SetupFromConfig() - Invalid value for PhysicsEngine attribute, terminating");
                        Environment.Exit(1);
                        break;

                    case "":
                        this.m_physicsEngine = "basicphysics";
                        configData.SetAttribute("PhysicsEngine", "basicphysics");
                        OpenSim.world.Avatar.PhysicsEngineFlying = false;
                        break;

                    case "basicphysics":
                        this.m_physicsEngine = "basicphysics";
                        configData.SetAttribute("PhysicsEngine", "basicphysics");
                        OpenSim.world.Avatar.PhysicsEngineFlying = false;
                        break;

                    case "RealPhysX":
                        this.m_physicsEngine = "RealPhysX";
                        OpenSim.world.Avatar.PhysicsEngineFlying = true;
                        break;

                    case "OpenDynamicsEngine":
                        this.m_physicsEngine = "OpenDynamicsEngine";
                        OpenSim.world.Avatar.PhysicsEngineFlying = true;
                        break;
                }

                configData.Commit();
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                Console.WriteLine("\nSorry, a fatal error occurred while trying to initialise the configuration data");
                Console.WriteLine("Can not continue starting up");
                Environment.Exit(1);
            }
        }

        private SimConfig LoadConfigDll(string dllName)
        {
            try
            {
                Assembly pluginAssembly = Assembly.LoadFrom(dllName);
                SimConfig config = null;

                foreach (Type pluginType in pluginAssembly.GetTypes())
                {
                    if (pluginType.IsPublic)
                    {
                        if (!pluginType.IsAbstract)
                        {
                            Type typeInterface = pluginType.GetInterface("ISimConfig", true);

                            if (typeInterface != null)
                            {
                                ISimConfig plug = (ISimConfig)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
                                config = plug.GetConfigObject();
                                break;
                            }

                            typeInterface = null;
                        }
                    }
                }
                pluginAssembly = null;
                return config;
            }
            catch (Exception e)
            {
                m_console.WriteLine(OpenSim.Framework.Console.LogPriority.CRITICAL,e.Message + "\nSorry, a fatal error occurred while trying to load the config DLL");
                m_console.WriteLine(OpenSim.Framework.Console.LogPriority.CRITICAL,"Can not continue starting up");
                Environment.Exit(1);
                return null;
            }
        }

        private void OnReceivedData(IAsyncResult result)
        {
            ipeSender = new IPEndPoint(IPAddress.Any, 0);
            epSender = (EndPoint)ipeSender;
            Packet packet = null;
            int numBytes = Server.EndReceiveFrom(result, ref epSender);
            int packetEnd = numBytes - 1;

            packet = Packet.BuildPacket(RecvBuffer, ref packetEnd, ZeroBuffer);

            // This is either a new client or a packet to send to an old one
            // if (OpenSimRoot.Instance.ClientThreads.ContainsKey(epSender))

            // do we already have a circuit for this endpoint
            if (this.clientCircuits.ContainsKey(epSender))
            {
                //ClientThreads[this.clientCircuits[epSender]].InPacket(packet);
                this._packetServer.ClientInPacket(this.clientCircuits[epSender], packet);
            }
            else if (packet.Type == PacketType.UseCircuitCode)
            { // new client

                UseCircuitCodePacket useCircuit = (UseCircuitCodePacket)packet;
                this.clientCircuits.Add(epSender, useCircuit.CircuitCode.Code);
                bool isChildAgent = false;
                if (this.GridServers.GridServer.GetName() == "Remote")
                {
                    isChildAgent = ((RemoteGridBase)this.GridServers.GridServer).agentcircuits[useCircuit.CircuitCode.Code].child;
                }
                SimClient newuser = new SimClient(epSender, useCircuit, LocalWorld, _packetServer.ClientThreads, AssetCache, GridServers.GridServer, this, InventoryCache, m_sandbox, isChildAgent, this.regionData);
                if ((this.GridServers.UserServer != null) && (user_accounts))
                {
                    newuser.UserServer = this.GridServers.UserServer;
                }
                //OpenSimRoot.Instance.ClientThreads.Add(epSender, newuser);
                this._packetServer.ClientThreads.Add(useCircuit.CircuitCode.Code, newuser);

                //if (!((RemoteGridBase)GridServers.GridServer).agentcircuits[useCircuit.CircuitCode.Code].child)
              

            }
            else
            { // invalid client
                Console.Error.WriteLine("Main.cs:OnReceivedData() - WARNING: Got a packet from an invalid client - " + epSender.ToString());
            }

            Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
        }

        private void MainServerListener()
        {
            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:MainServerListener() - New thread started");
            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:MainServerListener() - Opening UDP socket on " + regionData.IPListenAddr + ":" + regionData.IPListenPort);

            ServerIncoming = new IPEndPoint(IPAddress.Any, regionData.IPListenPort);
            Server = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
            Server.Bind(ServerIncoming);

            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:MainServerListener() - UDP socket bound, getting ready to listen");

            ipeSender = new IPEndPoint(IPAddress.Any, 0);
            epSender = (EndPoint)ipeSender;
            ReceivedData = new AsyncCallback(this.OnReceivedData);
            Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);

            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:MainServerListener() - Listening...");

        }

        public void RegisterPacketServer(PacketServer server)
        {
            this._packetServer = server;
        }

        public virtual void SendPacketTo(byte[] buffer, int size, SocketFlags flags, uint circuitcode)//EndPoint packetSender)
        {
            // find the endpoint for this circuit
            EndPoint sendto = null;
            foreach (KeyValuePair<EndPoint, uint> p in this.clientCircuits)
            {
                if (p.Value == circuitcode)
                {
                    sendto = p.Key;
                    break;
                }
            }
            if (sendto != null)
            {
                //we found the endpoint so send the packet to it
                this.Server.SendTo(buffer, size, flags, sendto);
            }
        }

        public virtual void RemoveClientCircuit(uint circuitcode)
        {
            foreach (KeyValuePair<EndPoint, uint> p in this.clientCircuits)
            {
                if (p.Value == circuitcode)
                {
                    this.clientCircuits.Remove(p.Key);
                    break;
                }
            }
        }

        /// <summary>
        /// Performs any last-minute sanity checking and shuts down the region server
        /// </summary>
        public virtual void Shutdown()
        {
            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:Shutdown() - Closing all threads");
            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:Shutdown() - Killing listener thread");
            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:Shutdown() - Killing clients");
            // IMPLEMENT THIS
            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.LOW,"Main.cs:Shutdown() - Closing console and terminating");
            LocalWorld.Close();
            GridServers.Close();
            m_console.Close();
            Environment.Exit(0);
        }

        /// <summary>
        /// Performs per-frame updates regularly
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void Heartbeat(object sender, System.EventArgs e)
        {
            LocalWorld.Update();
        }

        /// <summary>
        /// Runs commands issued by the server console from the operator
        /// </summary>
        /// <param name="command">The first argument of the parameter (the command)</param>
        /// <param name="cmdparams">Additional arguments passed to the command</param>
        public void RunCmd(string command, string[] cmdparams)
        {
            switch (command)
            {
                case "help":
                    m_console.WriteLine(OpenSim.Framework.Console.LogPriority.HIGH,"show users - show info about connected users");
                    m_console.WriteLine(OpenSim.Framework.Console.LogPriority.HIGH,"shutdown - disconnect all clients and shutdown");
                    break;

                case "show":
                    Show(cmdparams[0]);
                    break;

                case "terrain":
                    string result = "";
                    if (!LocalWorld.Terrain.RunTerrainCmd(cmdparams, ref result))
                    {
                        m_console.WriteLine(OpenSim.Framework.Console.LogPriority.HIGH,result);
                    }
                    break;

                case "shutdown":
                    Shutdown();
                    break;

                default:
                    m_console.WriteLine(OpenSim.Framework.Console.LogPriority.HIGH,"Unknown command");
                    break;
            }
        }

        /// <summary>
        /// Outputs to the console information about the region
        /// </summary>
        /// <param name="ShowWhat">What information to display (valid arguments are "uptime", "users")</param>
        public void Show(string ShowWhat)
        {
            switch (ShowWhat)
            {
                case "uptime":
                    m_console.WriteLine(OpenSim.Framework.Console.LogPriority.HIGH,"OpenSim has been running since " + startuptime.ToString());
                    m_console.WriteLine(OpenSim.Framework.Console.LogPriority.HIGH,"That is " + (DateTime.Now - startuptime).ToString());
                    break;
                case "users":
                    OpenSim.world.Avatar TempAv;
                    m_console.WriteLine(OpenSim.Framework.Console.LogPriority.HIGH,String.Format("{0,-16}{1,-16}{2,-25}{3,-25}{4,-16}{5,-16}", "Firstname", "Lastname", "Agent ID", "Session ID", "Circuit", "IP"));
                    foreach (libsecondlife.LLUUID UUID in LocalWorld.Entities.Keys)
                    {
                        if (LocalWorld.Entities[UUID].ToString() == "OpenSim.world.Avatar")
                        {
                            TempAv = (OpenSim.world.Avatar)LocalWorld.Entities[UUID];
                            m_console.WriteLine(OpenSim.Framework.Console.LogPriority.HIGH,String.Format("{0,-16}{1,-16}{2,-25}{3,-25}{4,-16},{5,-16}", TempAv.firstname, TempAv.lastname, UUID, TempAv.ControllingClient.SessionID, TempAv.ControllingClient.CircuitCode, TempAv.ControllingClient.userEP.ToString()));
                        }
                    }
                    break;
            }
        }
    }


}