aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Services/Connectors/Hypergrid/UserAgentServiceConnector.cs
blob: 2511c080520d3a39354356f12bd61bd7f8a8bc76 (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
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
/*
 * 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;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Reflection;
using System.Text;
using OpenSim.Framework;
using OpenSim.Services.Interfaces;
using OpenSim.Services.Connectors.Simulation;
using GridRegion = OpenSim.Services.Interfaces.GridRegion;
using OpenMetaverse;
using OpenMetaverse.StructuredData;
using log4net;
using Nwc.XmlRpc;
using Nini.Config;

namespace OpenSim.Services.Connectors.Hypergrid
{
    public class UserAgentServiceConnector : SimulationServiceConnector, IUserAgentService
    {
        private static readonly ILog m_log =
            LogManager.GetLogger(
            MethodBase.GetCurrentMethod().DeclaringType);

        private string m_ServerURL;
        private GridRegion m_Gatekeeper;

        public UserAgentServiceConnector(string url) : this(url, true)
        {
        }

        public UserAgentServiceConnector(string url, bool dnsLookup)
        {
            m_ServerURL = url;

            if (dnsLookup)
            {
                // Doing this here, because XML-RPC or mono have some strong ideas about
                // caching DNS translations.
                try
                {
                    Uri m_Uri = new Uri(m_ServerURL);
                    IPAddress ip = Util.GetHostFromDNS(m_Uri.Host);
                    m_ServerURL = m_ServerURL.Replace(m_Uri.Host, ip.ToString());
                    if (!m_ServerURL.EndsWith("/"))
                        m_ServerURL += "/";
                }
                catch (Exception e)
                {
                    m_log.DebugFormat("[USER AGENT CONNECTOR]: Malformed Uri {0}: {1}", m_ServerURL, e.Message);
                }
            }
            m_log.DebugFormat("[USER AGENT CONNECTOR]: new connector to {0} ({1})", url, m_ServerURL);
        }

        public UserAgentServiceConnector(IConfigSource config)
        {
            IConfig serviceConfig = config.Configs["UserAgentService"];
            if (serviceConfig == null)
            {
                m_log.Error("[USER AGENT CONNECTOR]: UserAgentService missing from ini");
                throw new Exception("UserAgent connector init error");
            }

            string serviceURI = serviceConfig.GetString("UserAgentServerURI",
                    String.Empty);

            if (serviceURI == String.Empty)
            {
                m_log.Error("[USER AGENT CONNECTOR]: No Server URI named in section UserAgentService");
                throw new Exception("UserAgent connector init error");
            }
            m_ServerURL = serviceURI;
            if (!m_ServerURL.EndsWith("/"))
                m_ServerURL += "/";

            m_log.DebugFormat("[USER AGENT CONNECTOR]: UserAgentServiceConnector started for {0}", m_ServerURL);
        }

        protected override string AgentPath()
        {
            return "homeagent/";
        }

        // The Login service calls this interface with fromLogin=true 
        // Sims call it with fromLogin=false
        // Either way, this is verified by the handler
        public bool LoginAgentToGrid(AgentCircuitData aCircuit, GridRegion gatekeeper, GridRegion destination, bool fromLogin, out string reason)
        {
            reason = String.Empty;

            if (destination == null)
            {
                reason = "Destination is null";
                m_log.Debug("[USER AGENT CONNECTOR]: Given destination is null");
                return false;
            }

            GridRegion home = new GridRegion();
            home.ServerURI = m_ServerURL;
            home.RegionID = destination.RegionID;
            home.RegionLocX = destination.RegionLocX;
            home.RegionLocY = destination.RegionLocY;

            m_Gatekeeper = gatekeeper;

            Console.WriteLine("   >>> LoginAgentToGrid <<< " + home.ServerURI);

            uint flags = fromLogin ? (uint)TeleportFlags.ViaLogin : (uint)TeleportFlags.ViaHome;
            return CreateAgent(home, aCircuit, flags, out reason);
        }


        // The simulators call this interface
        public bool LoginAgentToGrid(AgentCircuitData aCircuit, GridRegion gatekeeper, GridRegion destination, out string reason)
        {
            return LoginAgentToGrid(aCircuit, gatekeeper, destination, false, out reason);
        }

        protected override void PackData(OSDMap args, AgentCircuitData aCircuit, GridRegion destination, uint flags)
        {
            base.PackData(args, aCircuit, destination, flags);
            args["gatekeeper_serveruri"] = OSD.FromString(m_Gatekeeper.ServerURI);
            args["gatekeeper_host"] = OSD.FromString(m_Gatekeeper.ExternalHostName);
            args["gatekeeper_port"] = OSD.FromString(m_Gatekeeper.HttpPort.ToString());
            args["destination_serveruri"] = OSD.FromString(destination.ServerURI);
        }

        protected OSDMap PackCreateAgentArguments(AgentCircuitData aCircuit, GridRegion gatekeeper, GridRegion destination, IPEndPoint ipaddress)
        {
            OSDMap args = null;
            try
            {
                args = aCircuit.PackAgentCircuitData();
            }
            catch (Exception e)
            {
                m_log.Debug("[USER AGENT CONNECTOR]: PackAgentCircuitData failed with exception: " + e.Message);
            }

            // Add the input arguments
            args["gatekeeper_serveruri"] = OSD.FromString(gatekeeper.ServerURI);
            args["gatekeeper_host"] = OSD.FromString(gatekeeper.ExternalHostName);
            args["gatekeeper_port"] = OSD.FromString(gatekeeper.HttpPort.ToString());
            args["destination_x"] = OSD.FromString(destination.RegionLocX.ToString());
            args["destination_y"] = OSD.FromString(destination.RegionLocY.ToString());
            args["destination_name"] = OSD.FromString(destination.RegionName);
            args["destination_uuid"] = OSD.FromString(destination.RegionID.ToString());
            args["destination_serveruri"] = OSD.FromString(destination.ServerURI);

            // 10/3/2010
            // I added the client_ip up to the regular AgentCircuitData, so this doesn't need to be here.
            // This need cleaning elsewhere...
            //if (ipaddress != null)
            //    args["client_ip"] = OSD.FromString(ipaddress.Address.ToString());

            return args;
        }

        public void SetClientToken(UUID sessionID, string token)
        { 
            // no-op
        }

        public GridRegion GetHomeRegion(UUID userID, out Vector3 position, out Vector3 lookAt)
        {
            position = Vector3.UnitY; lookAt = Vector3.UnitY;

            Hashtable hash = new Hashtable();
            hash["userID"] = userID.ToString();

            IList paramList = new ArrayList();
            paramList.Add(hash);

            XmlRpcRequest request = new XmlRpcRequest("get_home_region", paramList);
            XmlRpcResponse response = null;
            try
            {
                response = request.Send(m_ServerURL, 10000);
            }
            catch (Exception)
            {
                return null;
            }

            if (response.IsFault)
            {
                return null;
            }

            hash = (Hashtable)response.Value;
            //foreach (Object o in hash)
            //    m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
            try
            {
                bool success = false;
                Boolean.TryParse((string)hash["result"], out success);
                if (success)
                {
                    GridRegion region = new GridRegion();

                    UUID.TryParse((string)hash["uuid"], out region.RegionID);
                    //m_log.Debug(">> HERE, uuid: " + region.RegionID);
                    int n = 0;
                    if (hash["x"] != null)
                    {
                        Int32.TryParse((string)hash["x"], out n);
                        region.RegionLocX = n;
                        //m_log.Debug(">> HERE, x: " + region.RegionLocX);
                    }
                    if (hash["y"] != null)
                    {
                        Int32.TryParse((string)hash["y"], out n);
                        region.RegionLocY = n;
                        //m_log.Debug(">> HERE, y: " + region.RegionLocY);
                    }
                    if (hash["region_name"] != null)
                    {
                        region.RegionName = (string)hash["region_name"];
                        //m_log.Debug(">> HERE, name: " + region.RegionName);
                    }
                    if (hash["hostname"] != null)
                        region.ExternalHostName = (string)hash["hostname"];
                    if (hash["http_port"] != null)
                    {
                        uint p = 0;
                        UInt32.TryParse((string)hash["http_port"], out p);
                        region.HttpPort = p;
                    }
                    if (hash.ContainsKey("server_uri") && hash["server_uri"] != null)
                        region.ServerURI = (string)hash["server_uri"];

                    if (hash["internal_port"] != null)
                    {
                        int p = 0;
                        Int32.TryParse((string)hash["internal_port"], out p);
                        region.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), p);
                    }
                    if (hash["position"] != null)
                        Vector3.TryParse((string)hash["position"], out position);
                    if (hash["lookAt"] != null)
                        Vector3.TryParse((string)hash["lookAt"], out lookAt);

                    // Successful return
                    return region;
                }

            }
            catch (Exception)
            {
                return null;
            }

            return null;
        }

        public bool IsAgentComingHome(UUID sessionID, string thisGridExternalName)
        {
            Hashtable hash = new Hashtable();
            hash["sessionID"] = sessionID.ToString();
            hash["externalName"] = thisGridExternalName;

            IList paramList = new ArrayList();
            paramList.Add(hash);

            XmlRpcRequest request = new XmlRpcRequest("agent_is_coming_home", paramList);
            string reason = string.Empty;
            return GetBoolResponse(request, out reason);
        }

        public bool VerifyAgent(UUID sessionID, string token)
        {
            Hashtable hash = new Hashtable();
            hash["sessionID"] = sessionID.ToString();
            hash["token"] = token;

            IList paramList = new ArrayList();
            paramList.Add(hash);

            XmlRpcRequest request = new XmlRpcRequest("verify_agent", paramList);
            string reason = string.Empty;
            return GetBoolResponse(request, out reason);
        }

        public bool VerifyClient(UUID sessionID, string token)
        {
            Hashtable hash = new Hashtable();
            hash["sessionID"] = sessionID.ToString();
            hash["token"] = token;

            IList paramList = new ArrayList();
            paramList.Add(hash);

            XmlRpcRequest request = new XmlRpcRequest("verify_client", paramList);
            string reason = string.Empty;
            return GetBoolResponse(request, out reason);
        }

        public void LogoutAgent(UUID userID, UUID sessionID)
        {
            Hashtable hash = new Hashtable();
            hash["sessionID"] = sessionID.ToString();
            hash["userID"] = userID.ToString();

            IList paramList = new ArrayList();
            paramList.Add(hash);

            XmlRpcRequest request = new XmlRpcRequest("logout_agent", paramList);
            string reason = string.Empty;
            GetBoolResponse(request, out reason);
        }

        [Obsolete]
        public List<UUID> StatusNotification(List<string> friends, UUID userID, bool online)
        {
            Hashtable hash = new Hashtable();
            hash["userID"] = userID.ToString();
            hash["online"] = online.ToString();
            int i = 0;
            foreach (string s in friends)
            {
                hash["friend_" + i.ToString()] = s;
                i++;
            }

            IList paramList = new ArrayList();
            paramList.Add(hash);

            XmlRpcRequest request = new XmlRpcRequest("status_notification", paramList);
//            string reason = string.Empty;

            // Send and get reply
            List<UUID> friendsOnline = new List<UUID>();
            XmlRpcResponse response = null;
            try
            {
                response = request.Send(m_ServerURL, 6000);
            }
            catch
            {
                m_log.DebugFormat("[USER AGENT CONNECTOR]: Unable to contact remote server {0} for StatusNotification", m_ServerURL);
//                reason = "Exception: " + e.Message;
                return friendsOnline;
            }

            if (response.IsFault)
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: remote call to {0} for StatusNotification returned an error: {1}", m_ServerURL, response.FaultString);
//                reason = "XMLRPC Fault";
                return friendsOnline;
            }

            hash = (Hashtable)response.Value;
            //foreach (Object o in hash)
            //    m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
            try
            {
                if (hash == null)
                {
                    m_log.ErrorFormat("[USER AGENT CONNECTOR]: GetOnlineFriends Got null response from {0}! THIS IS BAAAAD", m_ServerURL);
//                    reason = "Internal error 1";
                    return friendsOnline;
                }

                // Here is the actual response
                foreach (object key in hash.Keys)
                {
                    if (key is string && ((string)key).StartsWith("friend_") && hash[key] != null)
                    {
                        UUID uuid;
                        if (UUID.TryParse(hash[key].ToString(), out uuid))
                            friendsOnline.Add(uuid);
                    }
                }

            }
            catch
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: Got exception on GetOnlineFriends response.");
//                reason = "Exception: " + e.Message;
            }

            return friendsOnline;
        }

        [Obsolete]
        public List<UUID> GetOnlineFriends(UUID userID, List<string> friends)
        {
            Hashtable hash = new Hashtable();
            hash["userID"] = userID.ToString();
            int i = 0;
            foreach (string s in friends)
            {
                hash["friend_" + i.ToString()] = s;
                i++;
            }

            IList paramList = new ArrayList();
            paramList.Add(hash);

            XmlRpcRequest request = new XmlRpcRequest("get_online_friends", paramList);
//            string reason = string.Empty;
            
            // Send and get reply
            List<UUID> online = new List<UUID>();
            XmlRpcResponse response = null;
            try
            {
                response = request.Send(m_ServerURL, 10000);
            }
            catch
            {
                m_log.DebugFormat("[USER AGENT CONNECTOR]: Unable to contact remote server {0} for GetOnlineFriends", m_ServerURL);
//                reason = "Exception: " + e.Message;
                return online;
            }

            if (response.IsFault)
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: remote call to {0} for GetOnlineFriends returned an error: {1}", m_ServerURL, response.FaultString);
//                reason = "XMLRPC Fault";
                return online;
            }

            hash = (Hashtable)response.Value;
            //foreach (Object o in hash)
            //    m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
            try
            {
                if (hash == null)
                {
                    m_log.ErrorFormat("[USER AGENT CONNECTOR]: GetOnlineFriends Got null response from {0}! THIS IS BAAAAD", m_ServerURL);
//                    reason = "Internal error 1";
                    return online;
                }

                // Here is the actual response
                foreach (object key in hash.Keys)
                {
                    if (key is string && ((string)key).StartsWith("friend_") && hash[key] != null)
                    {
                        UUID uuid;
                        if (UUID.TryParse(hash[key].ToString(), out uuid))
                            online.Add(uuid);
                    }
                }

            }
            catch
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: Got exception on GetOnlineFriends response.");
//                reason = "Exception: " + e.Message;
            }

            return online;
        }

        public Dictionary<string,object> GetUserInfo (UUID userID)
        {
            Hashtable hash = new Hashtable();
            hash["userID"] = userID.ToString();

            IList paramList = new ArrayList();
            paramList.Add(hash);

            XmlRpcRequest request = new XmlRpcRequest("get_user_info", paramList);

            Dictionary<string, object> info = new Dictionary<string, object>();
            XmlRpcResponse response = null;
            try
            {
                response = request.Send(m_ServerURL, 10000);
            }
            catch
            {
                m_log.DebugFormat("[USER AGENT CONNECTOR]: Unable to contact remote server {0} for GetUserInfo", m_ServerURL);
                return info;
            }

            if (response.IsFault)
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: remote call to {0} for GetServerURLs returned an error: {1}", m_ServerURL, response.FaultString);
                return info;
            }

            hash = (Hashtable)response.Value;
            try
            {
                if (hash == null)
                {
                    m_log.ErrorFormat("[USER AGENT CONNECTOR]: GetUserInfo Got null response from {0}! THIS IS BAAAAD", m_ServerURL);
                    return info;
                }

                // Here is the actual response
                foreach (object key in hash.Keys)
                {
                    if (hash[key] != null)
                    {
                        info.Add(key.ToString(), hash[key]);
                    }
                }
            }
            catch
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: Got exception on GetOnlineFriends response.");
            }

            return info;
        }

        public Dictionary<string, object> GetServerURLs(UUID userID)
        {
            Hashtable hash = new Hashtable();
            hash["userID"] = userID.ToString();

            IList paramList = new ArrayList();
            paramList.Add(hash);

            XmlRpcRequest request = new XmlRpcRequest("get_server_urls", paramList);
//            string reason = string.Empty;

            // Send and get reply
            Dictionary<string, object> serverURLs = new Dictionary<string,object>();
            XmlRpcResponse response = null;
            try
            {
                response = request.Send(m_ServerURL, 10000);
            }
            catch
            {
                m_log.DebugFormat("[USER AGENT CONNECTOR]: Unable to contact remote server {0} for GetServerURLs for user {1}", m_ServerURL, userID);
//                reason = "Exception: " + e.Message;
                return serverURLs;
            }

            if (response.IsFault)
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: remote call to {0} for GetServerURLs returned an error: {1}", m_ServerURL, response.FaultString);
//                reason = "XMLRPC Fault";
                return serverURLs;
            }

            hash = (Hashtable)response.Value;
            //foreach (Object o in hash)
            //    m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
            try
            {
                if (hash == null)
                {
                    m_log.ErrorFormat("[USER AGENT CONNECTOR]: GetServerURLs Got null response from {0}! THIS IS BAAAAD", m_ServerURL);
//                    reason = "Internal error 1";
                    return serverURLs;
                }

                // Here is the actual response
                foreach (object key in hash.Keys)
                {
                    if (key is string && ((string)key).StartsWith("SRV_") && hash[key] != null)
                    {
                        string serverType = key.ToString().Substring(4); // remove "SRV_"
                        serverURLs.Add(serverType, hash[key].ToString());
                    }
                }

            }
            catch
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: Got exception on GetOnlineFriends response.");
//                reason = "Exception: " + e.Message;
            }

            return serverURLs;
        }

        public string LocateUser(UUID userID)
        {
            Hashtable hash = new Hashtable();
            hash["userID"] = userID.ToString();

            IList paramList = new ArrayList();
            paramList.Add(hash);

            XmlRpcRequest request = new XmlRpcRequest("locate_user", paramList);
//            string reason = string.Empty;

            // Send and get reply
            string url = string.Empty;
            XmlRpcResponse response = null;
            try
            {
                response = request.Send(m_ServerURL, 10000);
            }
            catch
            {
                m_log.DebugFormat("[USER AGENT CONNECTOR]: Unable to contact remote server {0} for LocateUser", m_ServerURL);
//                reason = "Exception: " + e.Message;
                return url;
            }

            if (response.IsFault)
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: remote call to {0} for LocateUser returned an error: {1}", m_ServerURL, response.FaultString);
//                reason = "XMLRPC Fault";
                return url;
            }

            hash = (Hashtable)response.Value;
            //foreach (Object o in hash)
            //    m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
            try
            {
                if (hash == null)
                {
                    m_log.ErrorFormat("[USER AGENT CONNECTOR]: LocateUser Got null response from {0}! THIS IS BAAAAD", m_ServerURL);
//                    reason = "Internal error 1";
                    return url;
                }

                // Here's the actual response
                if (hash.ContainsKey("URL"))
                    url = hash["URL"].ToString();

            }
            catch
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: Got exception on LocateUser response.");
//                reason = "Exception: " + e.Message;
            }

            return url;
        }

        public string GetUUI(UUID userID, UUID targetUserID)
        {
            Hashtable hash = new Hashtable();
            hash["userID"] = userID.ToString();
            hash["targetUserID"] = targetUserID.ToString();

            IList paramList = new ArrayList();
            paramList.Add(hash);

            XmlRpcRequest request = new XmlRpcRequest("get_uui", paramList);
//            string reason = string.Empty;

            // Send and get reply
            string uui = string.Empty;
            XmlRpcResponse response = null;
            try
            {
                response = request.Send(m_ServerURL, 10000);
            }
            catch
            {
                m_log.DebugFormat("[USER AGENT CONNECTOR]: Unable to contact remote server {0} for GetUUI", m_ServerURL);
//                reason = "Exception: " + e.Message;
                return uui;
            }

            if (response.IsFault)
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: remote call to {0} for GetUUI returned an error: {1}", m_ServerURL, response.FaultString);
//                reason = "XMLRPC Fault";
                return uui;
            }

            hash = (Hashtable)response.Value;
            //foreach (Object o in hash)
            //    m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
            try
            {
                if (hash == null)
                {
                    m_log.ErrorFormat("[USER AGENT CONNECTOR]: GetUUI Got null response from {0}! THIS IS BAAAAD", m_ServerURL);
//                    reason = "Internal error 1";
                    return uui;
                }

                // Here's the actual response
                if (hash.ContainsKey("UUI"))
                    uui = hash["UUI"].ToString();

            }
            catch
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: Got exception on GetUUI response.");
//                reason = "Exception: " + e.Message;
            }

            return uui;
        }

        public UUID GetUUID(String first, String last)
        {
            Hashtable hash = new Hashtable();
            hash["first"] = first;
            hash["last"] = last;

            IList paramList = new ArrayList();
            paramList.Add(hash);

            XmlRpcRequest request = new XmlRpcRequest("get_uuid", paramList);
            //            string reason = string.Empty;

            // Send and get reply
            UUID uuid = UUID.Zero;
            XmlRpcResponse response = null;
            try
            {
                response = request.Send(m_ServerURL, 10000);
            }
            catch
            {
                m_log.DebugFormat("[USER AGENT CONNECTOR]: Unable to contact remote server {0} for GetUUID", m_ServerURL);
                //                reason = "Exception: " + e.Message;
                return uuid;
            }

            if (response.IsFault)
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: remote call to {0} for GetUUID returned an error: {1}", m_ServerURL, response.FaultString);
                //                reason = "XMLRPC Fault";
                return uuid;
            }

            hash = (Hashtable)response.Value;
            //foreach (Object o in hash)
            //    m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
            try
            {
                if (hash == null)
                {
                    m_log.ErrorFormat("[USER AGENT CONNECTOR]: GetUUDI Got null response from {0}! THIS IS BAAAAD", m_ServerURL);
                    //                    reason = "Internal error 1";
                    return uuid;
                }

                // Here's the actual response
                if (hash.ContainsKey("UUID"))
                    UUID.TryParse(hash["UUID"].ToString(), out uuid);

            }
            catch
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: Got exception on UUID response.");
                //                reason = "Exception: " + e.Message;
            }

            return uuid;
        }

        private bool GetBoolResponse(XmlRpcRequest request, out string reason)
        {
            //m_log.Debug("[USER AGENT CONNECTOR]: GetBoolResponse from/to " + m_ServerURL);
            XmlRpcResponse response = null;
            try
            {
                response = request.Send(m_ServerURL, 10000);
            }
            catch (Exception e)
            {
                m_log.DebugFormat("[USER AGENT CONNECTOR]: Unable to contact remote server {0} for GetBoolResponse", m_ServerURL);
                reason = "Exception: " + e.Message;
                return false;
            }

            if (response.IsFault)
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: remote call to {0} for GetBoolResponse returned an error: {1}", m_ServerURL, response.FaultString);
                reason = "XMLRPC Fault";
                return false;
            }

            Hashtable hash = (Hashtable)response.Value;
            //foreach (Object o in hash)
            //    m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
            try
            {
                if (hash == null)
                {
                    m_log.ErrorFormat("[USER AGENT CONNECTOR]: Got null response from {0}! THIS IS BAAAAD", m_ServerURL);
                    reason = "Internal error 1";
                    return false;
                }
                bool success = false;
                reason = string.Empty;
                if (hash.ContainsKey("result"))
                    Boolean.TryParse((string)hash["result"], out success);
                else
                {
                    reason = "Internal error 2";
                    m_log.WarnFormat("[USER AGENT CONNECTOR]: response from {0} does not have expected key 'result'", m_ServerURL);
                }

                return success;
            }
            catch (Exception e)
            {
                m_log.ErrorFormat("[USER AGENT CONNECTOR]: Got exception on GetBoolResponse response.");
                if (hash.ContainsKey("result") && hash["result"] != null)
                    m_log.ErrorFormat("Reply was ", (string)hash["result"]);
                reason = "Exception: " + e.Message;
                return false;
            }

        }

    }
}