aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs
blob: b2091995e9dcd52e4a86a316723c6e8a40fc4166 (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
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSimulator Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

using System;
using System.Collections.Generic;
using System.Reflection;
using System.Timers;

using log4net;
using Mono.Addins;
using Nini.Config;

using OpenMetaverse;
using OpenMetaverse.StructuredData;

using OpenSim.Framework;
using OpenSim.Framework.Communications;
using OpenSim.Region.CoreModules.Framework.EventQueue;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;

using Caps = OpenSim.Framework.Capabilities.Caps;
using DirFindFlags = OpenMetaverse.DirectoryManager.DirFindFlags;



namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
{
    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
    public class GroupsModule : ISharedRegionModule, IGroupsModule
    {
        /// <summary>
        /// ; To use this module, you must specify the following in your OpenSim.ini
        /// [GROUPS]
        /// Enabled = true
        /// 
        /// Module   = GroupsModule
        /// NoticesEnabled = true
        /// DebugEnabled   = true
        /// 
        /// GroupsServicesConnectorModule = XmlRpcGroupsServicesConnector
        /// XmlRpcServiceURL      = http://osflotsam.org/xmlrpc.php
        /// XmlRpcServiceReadKey  = 1234
        /// XmlRpcServiceWriteKey = 1234
        /// 
        /// MessagingModule  = GroupsMessagingModule
        /// MessagingEnabled = true
        /// 
        /// ; Disables HTTP Keep-Alive for Groups Module HTTP Requests, work around for
        /// ; a problem discovered on some Windows based region servers.  Only disable
        /// ; if you see a large number (dozens) of the following Exceptions:
        /// ; System.Net.WebException: The request was aborted: The request was canceled.
        ///
        /// XmlRpcDisableKeepAlive = false
        /// </summary>

        private static readonly ILog m_log =
            LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        private List<Scene> m_sceneList = new List<Scene>();

        private IMessageTransferModule m_msgTransferModule = null;
        
        private IGroupsServicesConnector m_groupData = null;

        class GroupRequestIDInfo
        {
            public GroupRequestID RequestID = new GroupRequestID();
            public DateTime LastUsedTMStamp = DateTime.MinValue;
        }
        private Dictionary<UUID, GroupRequestIDInfo> m_clientRequestIDInfo = new Dictionary<UUID, GroupRequestIDInfo>();
        private const int m_clientRequestIDFlushTimeOut = 300000; // Every 5 minutes
        private Timer m_clientRequestIDFlushTimer = new Timer(); 


        // Configuration settings
        private bool m_groupsEnabled = false;
        private bool m_groupNoticesEnabled = true;
        private bool m_debugEnabled = true;

        #region IRegionModuleBase Members

        public void Initialise(IConfigSource config)
        {
            IConfig groupsConfig = config.Configs["Groups"];

            if (groupsConfig == null)
            {
                // Do not run this module by default.
                return;
            }
            else
            {
                m_groupsEnabled = groupsConfig.GetBoolean("Enabled", false);
                if (!m_groupsEnabled)
                {
                    return;
                }

                if (groupsConfig.GetString("Module", "Default") != Name)
                {
                    m_groupsEnabled = false;

                    return;
                }

                m_log.InfoFormat("[GROUPS]: Initializing {0}", this.Name);

                m_groupNoticesEnabled   = groupsConfig.GetBoolean("NoticesEnabled", true);
                m_debugEnabled          = groupsConfig.GetBoolean("DebugEnabled", true);

                m_clientRequestIDFlushTimer.Interval = m_clientRequestIDFlushTimeOut;
                m_clientRequestIDFlushTimer.Elapsed += FlushClientRequestIDInfoCache;
                m_clientRequestIDFlushTimer.AutoReset = true;
                m_clientRequestIDFlushTimer.Start();
            }
        }

        void FlushClientRequestIDInfoCache(object sender, ElapsedEventArgs e)
        {
            lock (m_clientRequestIDInfo)
            {
                TimeSpan cacheTimeout = new TimeSpan(0,0, m_clientRequestIDFlushTimeOut / 1000);
                UUID[] CurrentKeys = new UUID[m_clientRequestIDInfo.Count];
                foreach (UUID key in CurrentKeys)
                {
                    if (m_clientRequestIDInfo.ContainsKey(key))
                    {
                        if (DateTime.Now - m_clientRequestIDInfo[key].LastUsedTMStamp > cacheTimeout)
                        {
                            m_clientRequestIDInfo.Remove(key);
                        }
                    }
                }
            }
        }

        public void AddRegion(Scene scene)
        {
            if (m_groupsEnabled)
                scene.RegisterModuleInterface<IGroupsModule>(this);
        }

        public void RegionLoaded(Scene scene)
        {
            if (!m_groupsEnabled)
                return;

            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            if (m_groupData == null)
            {
                m_groupData = scene.RequestModuleInterface<IGroupsServicesConnector>();

                // No Groups Service Connector, then nothing works...
                if (m_groupData == null)
                {
                    m_groupsEnabled = false;
                    m_log.Error("[GROUPS]: Could not get IGroupsServicesConnector");
                    Close();
                    return;
                }
            }

            if (m_msgTransferModule == null)
            {
                m_msgTransferModule = scene.RequestModuleInterface<IMessageTransferModule>();

                // No message transfer module, no notices, group invites, rejects, ejects, etc
                if (m_msgTransferModule == null)
                {
                    m_groupsEnabled = false;
                    m_log.Error("[GROUPS]: Could not get MessageTransferModule");
                    Close();
                    return;
                }
            }

            lock (m_sceneList)
            {
                m_sceneList.Add(scene);
            }

            scene.EventManager.OnNewClient += OnNewClient;
            scene.EventManager.OnIncomingInstantMessage += OnGridInstantMessage;

            // The InstantMessageModule itself doesn't do this, 
            // so lets see if things explode if we don't do it
            // scene.EventManager.OnClientClosed += OnClientClosed;

        }

        public void RemoveRegion(Scene scene)
        {
            if (!m_groupsEnabled)
                return;

            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            lock (m_sceneList)
            {
                m_sceneList.Remove(scene);
            }
        }

        public void Close()
        {
            if (!m_groupsEnabled)
                return;

            if (m_debugEnabled) m_log.Debug("[GROUPS]: Shutting down Groups module.");

            m_clientRequestIDFlushTimer.Stop();
        }

        public Type ReplaceableInterface 
        {
            get { return null; }
        }

        public string Name
        {
            get { return "GroupsModule"; }
        }

        #endregion

        #region ISharedRegionModule Members

        public void PostInitialise()
        {
            // NoOp
        }

        #endregion

        #region EventHandlers
        private void OnNewClient(IClientAPI client)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            client.OnUUIDGroupNameRequest += HandleUUIDGroupNameRequest;
            client.OnAgentDataUpdateRequest += OnAgentDataUpdateRequest;
            client.OnDirFindQuery += OnDirFindQuery;
            client.OnRequestAvatarProperties += OnRequestAvatarProperties;

            // Used for Notices and Group Invites/Accept/Reject
            client.OnInstantMessage += OnInstantMessage;

            lock (m_clientRequestIDInfo)
            {
                if (m_clientRequestIDInfo.ContainsKey(client.AgentId))
                {
                    // flush any old RequestID information
                    m_clientRequestIDInfo.Remove(client.AgentId);
                }
            }
            SendAgentGroupDataUpdate(client, client.AgentId);
        }

        private void OnRequestAvatarProperties(IClientAPI remoteClient, UUID avatarID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            //GroupMembershipData[] avatarGroups = m_groupData.GetAgentGroupMemberships(GetClientGroupRequestID(remoteClient), avatarID).ToArray();
            GroupMembershipData[] avatarGroups = GetProfileListedGroupMemberships(remoteClient, avatarID);
            remoteClient.SendAvatarGroupsReply(avatarID, avatarGroups);
        }

        /*
         * This becomes very problematic in a shared module.  In a shared module you may have more then one
         * reference to IClientAPI's, one for 0 or 1 root connections, and 0 or more child connections.
         * The OnClientClosed event does not provide anything to indicate which one of those should be closed
         * nor does it provide what scene it was from so that the specific reference can be looked up.
         * The InstantMessageModule.cs does not currently worry about unregistering the handles, 
         * and it should be an issue, since it's the client that references us not the other way around
         * , so as long as we don't keep a reference to the client laying around, the client can still be GC'ed
        private void OnClientClosed(UUID AgentId)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            lock (m_ActiveClients)
            {
                if (m_ActiveClients.ContainsKey(AgentId))
                {
                    IClientAPI client = m_ActiveClients[AgentId];
                    client.OnUUIDGroupNameRequest -= HandleUUIDGroupNameRequest;
                    client.OnAgentDataUpdateRequest -= OnAgentDataUpdateRequest;
                    client.OnDirFindQuery -= OnDirFindQuery;
                    client.OnInstantMessage -= OnInstantMessage;

                    m_ActiveClients.Remove(AgentId);
                }
                else
                {
                    if (m_debugEnabled) m_log.WarnFormat("[GROUPS]: Client closed that wasn't registered here.");
                }

                
            }
        }
        */


        void OnDirFindQuery(IClientAPI remoteClient, UUID queryID, string queryText, uint queryFlags, int queryStart)
        {
            if (((DirFindFlags)queryFlags & DirFindFlags.Groups) == DirFindFlags.Groups)
            {
                if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called with queryText({1}) queryFlags({2}) queryStart({3})", System.Reflection.MethodBase.GetCurrentMethod().Name, queryText, (DirFindFlags)queryFlags, queryStart);

                // TODO: This currently ignores pretty much all the query flags including Mature and sort order
                remoteClient.SendDirGroupsReply(queryID, m_groupData.FindGroups(GetClientGroupRequestID(remoteClient), queryText).ToArray());
            }
            
        }

        private void OnAgentDataUpdateRequest(IClientAPI remoteClient, UUID dataForAgentID, UUID sessionID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            UUID activeGroupID = UUID.Zero;
            string activeGroupTitle = string.Empty;
            string activeGroupName = string.Empty;
            ulong activeGroupPowers  = (ulong)GroupPowers.None;

            GroupMembershipData membership = m_groupData.GetAgentActiveMembership(GetClientGroupRequestID(remoteClient), dataForAgentID);
            if (membership != null)
            {
                activeGroupID = membership.GroupID;
                activeGroupTitle = membership.GroupTitle;
                activeGroupPowers = membership.GroupPowers;
            }

            SendAgentDataUpdate(remoteClient, dataForAgentID, activeGroupID, activeGroupName, activeGroupPowers, activeGroupTitle);

            SendScenePresenceUpdate(dataForAgentID, activeGroupTitle);
        }

        private void HandleUUIDGroupNameRequest(UUID GroupID,IClientAPI remoteClient)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            string GroupName;
            
            GroupRecord group = m_groupData.GetGroupRecord(GetClientGroupRequestID(remoteClient), GroupID, null);
            if (group != null)
            {
                GroupName = group.GroupName;
            }
            else
            {
                GroupName = "Unknown";
            }

            remoteClient.SendGroupNameReply(GroupID, GroupName);
        }

        private void OnInstantMessage(IClientAPI remoteClient, GridInstantMessage im)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            // Group invitations
            if ((im.dialog == (byte)InstantMessageDialog.GroupInvitationAccept) || (im.dialog == (byte)InstantMessageDialog.GroupInvitationDecline))
            {
                UUID inviteID = new UUID(im.imSessionID);
                GroupInviteInfo inviteInfo = m_groupData.GetAgentToGroupInvite(GetClientGroupRequestID(remoteClient), inviteID);

                if (inviteInfo == null)
                {
                    if (m_debugEnabled) m_log.WarnFormat("[GROUPS]: Received an Invite IM for an invite that does not exist {0}.", inviteID);
                    return;
                }

                if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: Invite is for Agent {0} to Group {1}.", inviteInfo.AgentID, inviteInfo.GroupID);

                UUID fromAgentID = new UUID(im.fromAgentID);
                if ((inviteInfo != null) && (fromAgentID == inviteInfo.AgentID))
                {
                    // Accept
                    if (im.dialog == (byte)InstantMessageDialog.GroupInvitationAccept)
                    {
                        if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: Received an accept invite notice.");

                        // and the sessionid is the role
                        m_groupData.AddAgentToGroup(GetClientGroupRequestID(remoteClient), inviteInfo.AgentID, inviteInfo.GroupID, inviteInfo.RoleID);

                        GridInstantMessage msg = new GridInstantMessage();
                        msg.imSessionID = UUID.Zero.Guid;
                        msg.fromAgentID = UUID.Zero.Guid;
                        msg.toAgentID = inviteInfo.AgentID.Guid;
                        msg.timestamp = (uint)Util.UnixTimeSinceEpoch();
                        msg.fromAgentName = "Groups";
                        msg.message = string.Format("You have been added to the group.");
                        msg.dialog = (byte)OpenMetaverse.InstantMessageDialog.MessageBox;
                        msg.fromGroup = false;
                        msg.offline = (byte)0;
                        msg.ParentEstateID = 0;
                        msg.Position = Vector3.Zero;
                        msg.RegionID = UUID.Zero.Guid;
                        msg.binaryBucket = new byte[0];

                        OutgoingInstantMessage(msg, inviteInfo.AgentID);

                        UpdateAllClientsWithGroupInfo(inviteInfo.AgentID);

                        // TODO: If the inviter is still online, they need an agent dataupdate 
                        // and maybe group membership updates for the invitee

                        m_groupData.RemoveAgentToGroupInvite(GetClientGroupRequestID(remoteClient), inviteID);
                    }

                    // Reject
                    if (im.dialog == (byte)InstantMessageDialog.GroupInvitationDecline)
                    {
                        if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: Received a reject invite notice.");
                        m_groupData.RemoveAgentToGroupInvite(GetClientGroupRequestID(remoteClient), inviteID);
                    }
                }
            }

            // Group notices
            if ((im.dialog == (byte)InstantMessageDialog.GroupNotice))
            {
                if (!m_groupNoticesEnabled)
                {
                    return;
                }

                UUID GroupID = new UUID(im.toAgentID);
                if (m_groupData.GetGroupRecord(GetClientGroupRequestID(remoteClient), GroupID, null) != null)
                {
                    UUID NoticeID = UUID.Random();
                    string Subject = im.message.Substring(0, im.message.IndexOf('|'));
                    string Message = im.message.Substring(Subject.Length + 1);

                    byte[] bucket;

                    if ((im.binaryBucket.Length == 1) && (im.binaryBucket[0] == 0))
                    {
                        bucket = new byte[19];
                        bucket[0] = 0; //dunno
                        bucket[1] = 0; //dunno
                        GroupID.ToBytes(bucket, 2);
                        bucket[18] = 0; //dunno
                    }
                    else
                    {
                        string binBucket = OpenMetaverse.Utils.BytesToString(im.binaryBucket);
                        binBucket = binBucket.Remove(0, 14).Trim();
                        if (m_debugEnabled)
                        {
                            m_log.WarnFormat("I don't understand a group notice binary bucket of: {0}", binBucket);

                            OSDMap binBucketOSD = (OSDMap)OSDParser.DeserializeLLSDXml(binBucket);
                            
                            foreach (string key in binBucketOSD.Keys)
                            {
                                if (binBucketOSD.ContainsKey(key))
                                {
                                    m_log.WarnFormat("{0}: {1}", key, binBucketOSD[key].ToString());
                                }
                            }
                        }
   
                        // treat as if no attachment
                        bucket = new byte[19];
                        bucket[0] = 0; //dunno
                        bucket[1] = 0; //dunno
                        GroupID.ToBytes(bucket, 2);
                        bucket[18] = 0; //dunno
                    }

                    
                    m_groupData.AddGroupNotice(GetClientGroupRequestID(remoteClient), GroupID, NoticeID, im.fromAgentName, Subject, Message, bucket);
                    if (OnNewGroupNotice != null)
                    {
                        OnNewGroupNotice(GroupID, NoticeID);
                    }

                    // Send notice out to everyone that wants notices
                    foreach (GroupMembersData member in m_groupData.GetGroupMembers(GetClientGroupRequestID(remoteClient), GroupID))
                    {
                         if (m_debugEnabled)
                        {
                            UserProfileData targetUserProfile = m_sceneList[0].CommsManager.UserService.GetUserProfile(member.AgentID);
                            if (targetUserProfile != null)
                            {
                                m_log.DebugFormat("[GROUPS]: Prepping group notice {0} for agent: {1} who Accepts Notices ({2})", NoticeID, targetUserProfile.Name, member.AcceptNotices);
                            }
                            else
                            {
                                m_log.DebugFormat("[GROUPS]: Prepping group notice {0} for agent: {1} who Accepts Notices ({2})", NoticeID, member.AgentID, member.AcceptNotices);
                            }
                        }

                       if (member.AcceptNotices)
                        {
                            // Build notice IIM
                            GridInstantMessage msg = CreateGroupNoticeIM(UUID.Zero, NoticeID, (byte)OpenMetaverse.InstantMessageDialog.GroupNotice);

                            msg.toAgentID = member.AgentID.Guid;
                            OutgoingInstantMessage(msg, member.AgentID);
                        }
                    }
                }
            }
            
            // Interop, received special 210 code for ejecting a group member
            // this only works within the comms servers domain, and won't work hypergrid
            // TODO:FIXME: Use a presense server of some kind to find out where the 
            // client actually is, and try contacting that region directly to notify them,
            // or provide the notification via xmlrpc update queue
            if ((im.dialog == 210))
            {
                // This is sent from the region that the ejectee was ejected from
                // if it's being delivered here, then the ejectee is here
                // so we need to send local updates to the agent.

                UUID ejecteeID = new UUID(im.toAgentID);

                im.dialog = (byte)InstantMessageDialog.MessageFromAgent;
                OutgoingInstantMessage(im, ejecteeID);

                IClientAPI ejectee = GetActiveClient(ejecteeID);
                if (ejectee != null)
                {
                    UUID groupID = new UUID(im.fromAgentID);
                    ejectee.SendAgentDropGroup(groupID);
                }
            }
        }

        private void OnGridInstantMessage(GridInstantMessage msg)
        {
            if (m_debugEnabled) m_log.InfoFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            // Trigger the above event handler
            OnInstantMessage(null, msg);

            // If a message from a group arrives here, it may need to be forwarded to a local client
            if (msg.fromGroup == true)
            {
                switch (msg.dialog)
                {
                    case (byte)InstantMessageDialog.GroupInvitation:
                    case (byte)InstantMessageDialog.GroupNotice:
                        UUID toAgentID = new UUID(msg.toAgentID);
                        IClientAPI localClient = GetActiveClient(toAgentID);
                        if (localClient != null)
                        {
                            localClient.SendInstantMessage(msg);
                        }
                        break;
                }
            }
        }

        #endregion

        #region IGroupsModule Members

        public event NewGroupNotice OnNewGroupNotice;

        public GroupRecord GetGroupRecord(UUID GroupID)
        {
            return m_groupData.GetGroupRecord(null, GroupID, null);
        }

        public void ActivateGroup(IClientAPI remoteClient, UUID groupID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            m_groupData.SetAgentActiveGroup(GetClientGroupRequestID(remoteClient), remoteClient.AgentId, groupID);

            // Changing active group changes title, active powers, all kinds of things
            // anyone who is in any region that can see this client, should probably be 
            // updated with new group info.  At a minimum, they should get ScenePresence
            // updated with new title.
            UpdateAllClientsWithGroupInfo(remoteClient.AgentId);
        }

        /// <summary>
        /// Get the Role Titles for an Agent, for a specific group
        /// </summary>
        public List<GroupTitlesData> GroupTitlesRequest(IClientAPI remoteClient, UUID groupID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            GroupRequestID grID = GetClientGroupRequestID(remoteClient);

            List<GroupRolesData> agentRoles = m_groupData.GetAgentGroupRoles(grID, remoteClient.AgentId, groupID);
            GroupMembershipData agentMembership = m_groupData.GetAgentGroupMembership(grID, remoteClient.AgentId, groupID);

            List<GroupTitlesData> titles = new List<GroupTitlesData>();
            foreach (GroupRolesData role in agentRoles)
            {
                GroupTitlesData title = new GroupTitlesData();
                title.Name = role.Name;
                if (agentMembership != null)
                {
                    title.Selected = agentMembership.ActiveRole == role.RoleID;
                }
                title.UUID = role.RoleID;

                titles.Add(title);
            }

            return titles;
        }

        public List<GroupMembersData> GroupMembersRequest(IClientAPI remoteClient, UUID groupID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            List<GroupMembersData> data = m_groupData.GetGroupMembers(GetClientGroupRequestID(remoteClient), groupID);

            return data;

        }

        public List<GroupRolesData> GroupRoleDataRequest(IClientAPI remoteClient, UUID groupID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            List<GroupRolesData> data = m_groupData.GetGroupRoles(GetClientGroupRequestID(remoteClient), groupID);

            return data;

        }

        public List<GroupRoleMembersData> GroupRoleMembersRequest(IClientAPI remoteClient, UUID groupID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            List<GroupRoleMembersData> data = m_groupData.GetGroupRoleMembers(GetClientGroupRequestID(remoteClient), groupID);

            return data;


        }

        public GroupProfileData GroupProfileRequest(IClientAPI remoteClient, UUID groupID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            GroupProfileData profile = new GroupProfileData();

            GroupRequestID grID = GetClientGroupRequestID(remoteClient);

            GroupRecord groupInfo = m_groupData.GetGroupRecord(GetClientGroupRequestID(remoteClient), groupID, null);
            if (groupInfo != null)
            {
                profile.AllowPublish = groupInfo.AllowPublish;
                profile.Charter = groupInfo.Charter;
                profile.FounderID = groupInfo.FounderID;
                profile.GroupID = groupID;
                profile.GroupMembershipCount = m_groupData.GetGroupMembers(grID, groupID).Count;
                profile.GroupRolesCount = m_groupData.GetGroupRoles(grID, groupID).Count;
                profile.InsigniaID = groupInfo.GroupPicture;
                profile.MaturePublish = groupInfo.MaturePublish;
                profile.MembershipFee = groupInfo.MembershipFee;
                profile.Money = 0; // TODO: Get this from the currency server?
                profile.Name = groupInfo.GroupName;
                profile.OpenEnrollment = groupInfo.OpenEnrollment;
                profile.OwnerRole = groupInfo.OwnerRoleID;
                profile.ShowInList = groupInfo.ShowInList;
            }

            GroupMembershipData memberInfo = m_groupData.GetAgentGroupMembership(grID, remoteClient.AgentId, groupID);
            if (memberInfo != null)
            {
                profile.MemberTitle = memberInfo.GroupTitle;
                profile.PowersMask = memberInfo.GroupPowers;
            }

            return profile;
        }

        public GroupMembershipData[] GetMembershipData(UUID agentID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            return m_groupData.GetAgentGroupMemberships(null, agentID).ToArray();
        }

        public GroupMembershipData GetMembershipData(UUID groupID, UUID agentID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            return m_groupData.GetAgentGroupMembership(null, agentID, groupID);
        }

        public void UpdateGroupInfo(IClientAPI remoteClient, UUID groupID, string charter, bool showInList, UUID insigniaID, int membershipFee, bool openEnrollment, bool allowPublish, bool maturePublish)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            // TODO: Security Check?

            m_groupData.UpdateGroup(GetClientGroupRequestID(remoteClient), groupID, charter, showInList, insigniaID, membershipFee, openEnrollment, allowPublish, maturePublish);
        }

        public void SetGroupAcceptNotices(IClientAPI remoteClient, UUID groupID, bool acceptNotices, bool listInProfile)
        {
            // TODO: Security Check?
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            m_groupData.SetAgentGroupInfo(GetClientGroupRequestID(remoteClient), remoteClient.AgentId, groupID, acceptNotices, listInProfile);
        }

        public UUID CreateGroup(IClientAPI remoteClient, string name, string charter, bool showInList, UUID insigniaID, int membershipFee, bool openEnrollment, bool allowPublish, bool maturePublish)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            GroupRequestID grID = GetClientGroupRequestID(remoteClient);

            if (m_groupData.GetGroupRecord(grID, UUID.Zero, name) != null)
            {
                remoteClient.SendCreateGroupReply(UUID.Zero, false, "A group with the same name already exists.");
                return UUID.Zero;
            }
            // is there is a money module present ?
            IMoneyModule money=remoteClient.Scene.RequestModuleInterface<IMoneyModule>();
            if (money != null)
            {
                // do the transaction, that is if the agent has got sufficient funds
                if (!money.GroupCreationCovered(remoteClient)) {
                    remoteClient.SendCreateGroupReply(UUID.Zero, false, "You have got issuficient funds to create a group.");
                    return UUID.Zero;
                }
                money.ApplyGroupCreationCharge(remoteClient.AgentId);
            }
            UUID groupID = m_groupData.CreateGroup(grID, name, charter, showInList, insigniaID, membershipFee, openEnrollment, allowPublish, maturePublish, remoteClient.AgentId);

            remoteClient.SendCreateGroupReply(groupID, true, "Group created successfullly");

            // Update the founder with new group information.
            SendAgentGroupDataUpdate(remoteClient, remoteClient.AgentId);

            return groupID;
        }

        public GroupNoticeData[] GroupNoticesListRequest(IClientAPI remoteClient, UUID groupID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            // ToDo: check if agent is a member of group and is allowed to see notices?

            return m_groupData.GetGroupNotices(GetClientGroupRequestID(remoteClient), groupID).ToArray();
        }

        /// <summary>
        /// Get the title of the agent's current role.
        /// </summary>
        public string GetGroupTitle(UUID avatarID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            GroupMembershipData membership = m_groupData.GetAgentActiveMembership(null, avatarID);
            if (membership != null)
            {
                return membership.GroupTitle;
            } 
            return string.Empty;
        }

        /// <summary>
        /// Change the current Active Group Role for Agent
        /// </summary>
        public void GroupTitleUpdate(IClientAPI remoteClient, UUID groupID, UUID titleRoleID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            m_groupData.SetAgentActiveGroupRole(GetClientGroupRequestID(remoteClient), remoteClient.AgentId, groupID, titleRoleID);

            // TODO: Not sure what all is needed here, but if the active group role change is for the group
            // the client currently has set active, then we need to do a scene presence update too
            // if (m_groupData.GetAgentActiveMembership(remoteClient.AgentId).GroupID == GroupID)
                
            UpdateAllClientsWithGroupInfo(remoteClient.AgentId);
        }


        public void GroupRoleUpdate(IClientAPI remoteClient, UUID groupID, UUID roleID, string name, string description, string title, ulong powers, byte updateType)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            // Security Checks are handled in the Groups Service.

            GroupRequestID grID = GetClientGroupRequestID(remoteClient);

            switch ((OpenMetaverse.GroupRoleUpdate)updateType)
            {
                case OpenMetaverse.GroupRoleUpdate.Create:
                    m_groupData.AddGroupRole(grID, groupID, UUID.Random(), name, description, title, powers);
                    break;

                case OpenMetaverse.GroupRoleUpdate.Delete:
                    m_groupData.RemoveGroupRole(grID, groupID, roleID);
                    break;

                case OpenMetaverse.GroupRoleUpdate.UpdateAll:
                case OpenMetaverse.GroupRoleUpdate.UpdateData:
                case OpenMetaverse.GroupRoleUpdate.UpdatePowers:
                    if (m_debugEnabled)
                    {
                        GroupPowers gp = (GroupPowers)powers;
                        m_log.DebugFormat("[GROUPS]: Role ({0}) updated with Powers ({1}) ({2})", name, powers.ToString(), gp.ToString());
                    }
                    m_groupData.UpdateGroupRole(grID, groupID, roleID, name, description, title, powers);
                    break;

                case OpenMetaverse.GroupRoleUpdate.NoUpdate:
                default:
                    // No Op
                    break;

            }

            // TODO: This update really should send out updates for everyone in the role that just got changed.
            SendAgentGroupDataUpdate(remoteClient, remoteClient.AgentId);
        }

        public void GroupRoleChanges(IClientAPI remoteClient, UUID groupID, UUID roleID, UUID memberID, uint changes)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
            // Todo: Security check

            GroupRequestID grID = GetClientGroupRequestID(remoteClient);

            switch (changes)
            {
                case 0:
                    // Add
                    m_groupData.AddAgentToGroupRole(grID, memberID, groupID, roleID);

                    break;
                case 1:
                    // Remove
                    m_groupData.RemoveAgentFromGroupRole(grID, memberID, groupID, roleID);
                    
                    break;
                default:
                    m_log.ErrorFormat("[GROUPS]: {0} does not understand changes == {1}", System.Reflection.MethodBase.GetCurrentMethod().Name, changes);
                    break;
            }

            // TODO: This update really should send out updates for everyone in the role that just got changed.
            SendAgentGroupDataUpdate(remoteClient, remoteClient.AgentId);
        }

        public void GroupNoticeRequest(IClientAPI remoteClient, UUID groupNoticeID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            GroupRequestID grID = GetClientGroupRequestID(remoteClient);

            GroupNoticeInfo data = m_groupData.GetGroupNotice(grID, groupNoticeID);

            if (data != null)
            {
                GroupRecord groupInfo = m_groupData.GetGroupRecord(grID, data.GroupID, null);

                GridInstantMessage msg = new GridInstantMessage();
                msg.imSessionID = UUID.Zero.Guid;
                msg.fromAgentID = data.GroupID.Guid;
                msg.toAgentID = remoteClient.AgentId.Guid;
                msg.timestamp = (uint)Util.UnixTimeSinceEpoch();
                msg.fromAgentName = "Group Notice : " + groupInfo == null ? "Unknown" : groupInfo.GroupName;
                msg.message = data.noticeData.Subject + "|" + data.Message;
                msg.dialog = (byte)OpenMetaverse.InstantMessageDialog.GroupNoticeRequested;
                msg.fromGroup = true;
                msg.offline = (byte)0;
                msg.ParentEstateID = 0;
                msg.Position = Vector3.Zero;
                msg.RegionID = UUID.Zero.Guid;
                msg.binaryBucket = data.BinaryBucket;

                OutgoingInstantMessage(msg, remoteClient.AgentId);
            }

        }

        public GridInstantMessage CreateGroupNoticeIM(UUID agentID, UUID groupNoticeID, byte dialog)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            GridInstantMessage msg = new GridInstantMessage();
            msg.imSessionID = UUID.Zero.Guid;
            msg.toAgentID = agentID.Guid;
            msg.dialog = dialog;
            // msg.dialog = (byte)OpenMetaverse.InstantMessageDialog.GroupNotice;
            msg.fromGroup = true;
            msg.offline = (byte)1; // Allow this message to be stored for offline use
            msg.ParentEstateID = 0;
            msg.Position = Vector3.Zero;
            msg.RegionID = UUID.Zero.Guid;

            GroupNoticeInfo info = m_groupData.GetGroupNotice(null, groupNoticeID);
            if (info != null)
            {
                msg.fromAgentID = info.GroupID.Guid;
                msg.timestamp = info.noticeData.Timestamp;
                msg.fromAgentName = info.noticeData.FromName;
                msg.message = info.noticeData.Subject + "|" + info.Message;
                msg.binaryBucket = info.BinaryBucket;
            }
            else
            {
                if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: Group Notice {0} not found, composing empty message.", groupNoticeID);
                msg.fromAgentID = UUID.Zero.Guid;
                msg.timestamp = (uint)Util.UnixTimeSinceEpoch(); ;
                msg.fromAgentName = string.Empty;
                msg.message = string.Empty;
                msg.binaryBucket = new byte[0];
            }

            return msg;
        }

        public void SendAgentGroupDataUpdate(IClientAPI remoteClient)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            // Send agent information about his groups
            SendAgentGroupDataUpdate(remoteClient, remoteClient.AgentId);
        }

        public void JoinGroupRequest(IClientAPI remoteClient, UUID groupID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            // Should check to see if OpenEnrollment, or if there's an outstanding invitation
            m_groupData.AddAgentToGroup(GetClientGroupRequestID(remoteClient), remoteClient.AgentId, groupID, UUID.Zero);

            remoteClient.SendJoinGroupReply(groupID, true);

            // Should this send updates to everyone in the group?
            SendAgentGroupDataUpdate(remoteClient, remoteClient.AgentId);
        }

        public void LeaveGroupRequest(IClientAPI remoteClient, UUID groupID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            m_groupData.RemoveAgentFromGroup(GetClientGroupRequestID(remoteClient), remoteClient.AgentId, groupID);

            remoteClient.SendLeaveGroupReply(groupID, true);

            remoteClient.SendAgentDropGroup(groupID);

            // SL sends out notifcations to the group messaging session that the person has left
            // Should this also update everyone who is in the group?
            SendAgentGroupDataUpdate(remoteClient, remoteClient.AgentId);
        }

        public void EjectGroupMemberRequest(IClientAPI remoteClient, UUID groupID, UUID ejecteeID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            GroupRequestID grID = GetClientGroupRequestID(remoteClient);

            // Todo: Security check?
            m_groupData.RemoveAgentFromGroup(grID, ejecteeID, groupID);

            remoteClient.SendEjectGroupMemberReply(remoteClient.AgentId, groupID, true);

            GroupRecord groupInfo = m_groupData.GetGroupRecord(grID, groupID, null);
            UserProfileData userProfile = m_sceneList[0].CommsManager.UserService.GetUserProfile(ejecteeID);

            if ((groupInfo == null) || (userProfile == null))
            {
                return;
            }
            

            // Send Message to Ejectee
            GridInstantMessage msg = new GridInstantMessage();
            
            msg.imSessionID = UUID.Zero.Guid;
            msg.fromAgentID = remoteClient.AgentId.Guid;
            // msg.fromAgentID = info.GroupID;
            msg.toAgentID = ejecteeID.Guid;
            //msg.timestamp = (uint)Util.UnixTimeSinceEpoch();
            msg.timestamp = 0;
            msg.fromAgentName = remoteClient.Name;
            msg.message = string.Format("You have been ejected from '{1}' by {0}.", remoteClient.Name, groupInfo.GroupName);
            msg.dialog = (byte)OpenMetaverse.InstantMessageDialog.MessageFromAgent;
            msg.fromGroup = false;
            msg.offline = (byte)0;
            msg.ParentEstateID = 0;
            msg.Position = Vector3.Zero;
            msg.RegionID = remoteClient.Scene.RegionInfo.RegionID.Guid;
            msg.binaryBucket = new byte[0];
            OutgoingInstantMessage(msg, ejecteeID);


            // Message to ejector
            // Interop, received special 210 code for ejecting a group member
            // this only works within the comms servers domain, and won't work hypergrid
            // TODO:FIXME: Use a presense server of some kind to find out where the 
            // client actually is, and try contacting that region directly to notify them,
            // or provide the notification via xmlrpc update queue

            msg = new GridInstantMessage();
            msg.imSessionID = UUID.Zero.Guid;
            msg.fromAgentID = remoteClient.AgentId.Guid;
            msg.toAgentID = remoteClient.AgentId.Guid;
            msg.timestamp = 0;
            msg.fromAgentName = remoteClient.Name;
            if (userProfile != null)
            {
                msg.message = string.Format("{2} has been ejected from '{1}' by {0}.", remoteClient.Name, groupInfo.GroupName, userProfile.Name);
            }
            else
            {
                msg.message = string.Format("{2} has been ejected from '{1}' by {0}.", remoteClient.Name, groupInfo.GroupName, "Unknown member");
            }
            msg.dialog = (byte)210; //interop
            msg.fromGroup = false;
            msg.offline = (byte)0;
            msg.ParentEstateID = 0;
            msg.Position = Vector3.Zero;
            msg.RegionID = remoteClient.Scene.RegionInfo.RegionID.Guid;
            msg.binaryBucket = new byte[0];
            OutgoingInstantMessage(msg, remoteClient.AgentId);


            // SL sends out messages to everyone in the group
            // Who all should receive updates and what should they be updated with?
            UpdateAllClientsWithGroupInfo(ejecteeID);
        }

        public void InviteGroupRequest(IClientAPI remoteClient, UUID groupID, UUID invitedAgentID, UUID roleID)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            // Todo: Security check, probably also want to send some kind of notification
            UUID InviteID = UUID.Random();
            GroupRequestID grid = GetClientGroupRequestID(remoteClient);

            m_groupData.AddAgentToGroupInvite(grid, InviteID, groupID, roleID, invitedAgentID);

            // Check to see if the invite went through, if it did not then it's possible
            // the remoteClient did not validate or did not have permission to invite.
            GroupInviteInfo inviteInfo = m_groupData.GetAgentToGroupInvite(grid, InviteID);

            if (inviteInfo != null)
            {
                if (m_msgTransferModule != null)
                {
                    Guid inviteUUID = InviteID.Guid;

                    GridInstantMessage msg = new GridInstantMessage();

                    msg.imSessionID = inviteUUID;

                    // msg.fromAgentID = remoteClient.AgentId.Guid;
                    msg.fromAgentID = groupID.Guid;
                    msg.toAgentID = invitedAgentID.Guid;
                    //msg.timestamp = (uint)Util.UnixTimeSinceEpoch();
                    msg.timestamp = 0;
                    msg.fromAgentName = remoteClient.Name;
                    msg.message = string.Format("{0} has invited you to join a group. There is no cost to join this group.", remoteClient.Name);
                    msg.dialog = (byte)OpenMetaverse.InstantMessageDialog.GroupInvitation;
                    msg.fromGroup = true;
                    msg.offline = (byte)0;
                    msg.ParentEstateID = 0;
                    msg.Position = Vector3.Zero;
                    msg.RegionID = remoteClient.Scene.RegionInfo.RegionID.Guid;
                    msg.binaryBucket = new byte[20];

                    OutgoingInstantMessage(msg, invitedAgentID);
                }
            }
        }

        #endregion

        #region Client/Update Tools

        /// <summary>
        /// Try to find an active IClientAPI reference for agentID giving preference to root connections
        /// </summary>
        private IClientAPI GetActiveClient(UUID agentID)
        {
            IClientAPI child = null;

            // Try root avatar first
            foreach (Scene scene in m_sceneList)
            {
                if (scene.Entities.ContainsKey(agentID) &&
                        scene.Entities[agentID] is ScenePresence)
                {
                    ScenePresence user = (ScenePresence)scene.Entities[agentID];
                    if (!user.IsChildAgent)
                    {
                        return user.ControllingClient;
                    }
                    else
                    {
                        child = user.ControllingClient;
                    }
                }
            }

            // If we didn't find a root, then just return whichever child we found, or null if none
            return child;
        }

        private GroupRequestID GetClientGroupRequestID(IClientAPI client)
        {
            if (client == null)
            {
                return new GroupRequestID();
            }

            lock (m_clientRequestIDInfo)
            {
                if (!m_clientRequestIDInfo.ContainsKey(client.AgentId))
                {
                    GroupRequestIDInfo info = new GroupRequestIDInfo();
                    info.RequestID.AgentID = client.AgentId;
                    info.RequestID.SessionID = client.SessionId;

                    UserProfileData userProfile = m_sceneList[0].CommsManager.UserService.GetUserProfile(client.AgentId);
                    if (userProfile == null)
                    {
                        // This should be impossible.  If I've been passed a reference to a client
                        // that client should be registered with the UserService.  So something
                        // is horribly wrong somewhere.

                        m_log.WarnFormat("[GROUPS]: Could not find a user profile for {0} / {1}", client.Name, client.AgentId);

                        // Default to local user service and hope for the best?
                        info.RequestID.UserServiceURL = m_sceneList[0].CommsManager.NetworkServersInfo.UserURL;

                    }
                    else if (userProfile is ForeignUserProfileData)
                    {
                        // They aren't from around here
                        ForeignUserProfileData fupd = (ForeignUserProfileData)userProfile;
                        info.RequestID.UserServiceURL = fupd.UserServerURI;
                    }
                    else
                    {
                        // They're a local user, use this:
                        info.RequestID.UserServiceURL = m_sceneList[0].CommsManager.NetworkServersInfo.UserURL;
                    }

                    m_clientRequestIDInfo.Add(client.AgentId, info);
                }

                m_clientRequestIDInfo[client.AgentId].LastUsedTMStamp = DateTime.Now;

                return m_clientRequestIDInfo[client.AgentId].RequestID;
            }

            return new GroupRequestID();
        }

        /// <summary>
        /// Send 'remoteClient' the group membership 'data' for agent 'dataForAgentID'.
        /// </summary>
        private void SendGroupMembershipInfoViaCaps(IClientAPI remoteClient, UUID dataForAgentID, GroupMembershipData[] data)
        {
            if (m_debugEnabled) m_log.InfoFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            OSDArray AgentData = new OSDArray(1);
            OSDMap AgentDataMap = new OSDMap(1);
            AgentDataMap.Add("AgentID", OSD.FromUUID(dataForAgentID));
            AgentData.Add(AgentDataMap);


            OSDArray GroupData = new OSDArray(data.Length);
            OSDArray NewGroupData = new OSDArray(data.Length);

            foreach (GroupMembershipData membership in data)
            {
                if (remoteClient.AgentId != dataForAgentID)
                {
                    if (!membership.ListInProfile)
                    {
                        // If we're sending group info to remoteclient about another agent, 
                        // filter out groups the other agent doesn't want to share.
                        continue;
                    }
                }

                OSDMap GroupDataMap = new OSDMap(6);
                OSDMap NewGroupDataMap = new OSDMap(1);

                GroupDataMap.Add("GroupID", OSD.FromUUID(membership.GroupID));
                GroupDataMap.Add("GroupPowers", OSD.FromBinary(membership.GroupPowers));
                GroupDataMap.Add("AcceptNotices", OSD.FromBoolean(membership.AcceptNotices));
                GroupDataMap.Add("GroupInsigniaID", OSD.FromUUID(membership.GroupPicture));
                GroupDataMap.Add("Contribution", OSD.FromInteger(membership.Contribution));
                GroupDataMap.Add("GroupName", OSD.FromString(membership.GroupName));
                NewGroupDataMap.Add("ListInProfile", OSD.FromBoolean(membership.ListInProfile));

                GroupData.Add(GroupDataMap);
                NewGroupData.Add(NewGroupDataMap);
            }

            OSDMap llDataStruct = new OSDMap(3);
            llDataStruct.Add("AgentData", AgentData);
            llDataStruct.Add("GroupData", GroupData);
            llDataStruct.Add("NewGroupData", NewGroupData);

            IEventQueue queue = remoteClient.Scene.RequestModuleInterface<IEventQueue>();

            if (queue != null)
            {
                queue.Enqueue(EventQueueHelper.buildEvent("AgentGroupDataUpdate", llDataStruct), remoteClient.AgentId);
            }
            
        }

        private void SendScenePresenceUpdate(UUID AgentID, string Title)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: Updating scene title for {0} with title: {1}", AgentID, Title);

            ScenePresence presence = null;
            lock (m_sceneList)
            {
                foreach (Scene scene in m_sceneList)
                {
                    presence = scene.GetScenePresence(AgentID);
                    if (presence != null)
                    {
                        presence.Grouptitle = Title;

                        // FixMe: Ter suggests a "Schedule" method that I can't find.
                        presence.SendFullUpdateToAllClients();
                    }
                }
            }
        }

        /// <summary>
        /// Send updates to all clients who might be interested in groups data for dataForClientID
        /// </summary>
        private void UpdateAllClientsWithGroupInfo(UUID dataForClientID)
        {
            if (m_debugEnabled) m_log.InfoFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            // TODO: Probably isn't nessesary to update every client in every scene.
            // Need to examine client updates and do only what's nessesary.
            lock (m_sceneList)
            {
                foreach (Scene scene in m_sceneList)
                {
                    scene.ForEachClient(delegate(IClientAPI client) { SendAgentGroupDataUpdate(client, dataForClientID); });
                }
            }
        }

        /// <summary>
        /// Update remoteClient with group information about dataForAgentID
        /// </summary>
        private void SendAgentGroupDataUpdate(IClientAPI remoteClient, UUID dataForAgentID)
        {
            if (m_debugEnabled) m_log.InfoFormat("[GROUPS]: {0} called for {1}", System.Reflection.MethodBase.GetCurrentMethod().Name, remoteClient.Name);

            // TODO: All the client update functions need to be reexamined because most do too much and send too much stuff

            OnAgentDataUpdateRequest(remoteClient, dataForAgentID, UUID.Zero);


            // Need to send a group membership update to the client
            // UDP version doesn't seem to behave nicely.  But we're going to send it out here
            // with an empty group membership to hopefully remove groups being displayed due
            // to the core Groups Stub
            remoteClient.SendGroupMembership(new GroupMembershipData[0]);

            GroupMembershipData[] membershipArray = GetProfileListedGroupMemberships(remoteClient, dataForAgentID);
            SendGroupMembershipInfoViaCaps(remoteClient, dataForAgentID, membershipArray);
            remoteClient.SendAvatarGroupsReply(dataForAgentID, membershipArray);

        }

        /// <summary>
        /// Get a list of groups memberships for the agent that are marked "ListInProfile"
        /// </summary>
        /// <param name="dataForAgentID"></param>
        /// <returns></returns>
        private GroupMembershipData[] GetProfileListedGroupMemberships(IClientAPI requestingClient, UUID dataForAgentID)
        {
            List<GroupMembershipData> membershipData = m_groupData.GetAgentGroupMemberships(GetClientGroupRequestID(requestingClient), dataForAgentID);
            GroupMembershipData[] membershipArray;

            if (requestingClient.AgentId != dataForAgentID)
            {
                Predicate<GroupMembershipData> showInProfile = delegate(GroupMembershipData membership)
                {
                    return membership.ListInProfile;
                };

                membershipArray = membershipData.FindAll(showInProfile).ToArray();
            }
            else
            {
                membershipArray = membershipData.ToArray();
            }

            if (m_debugEnabled)
            {
                m_log.InfoFormat("[GROUPS]: Get group membership information for {0} requested by {1}", dataForAgentID, requestingClient.AgentId);
                foreach (GroupMembershipData membership in membershipArray)
                {
                    m_log.InfoFormat("[GROUPS]: {0} :: {1} - {2}", dataForAgentID, membership.GroupName, membership.GroupTitle);
                }
            }

            return membershipArray;
        }

        private void SendAgentDataUpdate(IClientAPI remoteClient, UUID dataForAgentID, UUID activeGroupID, string activeGroupName, ulong activeGroupPowers, string activeGroupTitle)
        {
            if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            // TODO: All the client update functions need to be reexamined because most do too much and send too much stuff
            UserProfileData userProfile = m_sceneList[0].CommsManager.UserService.GetUserProfile(dataForAgentID);
            string firstname, lastname;
            if (userProfile != null)
            {
                firstname = userProfile.FirstName;
                lastname = userProfile.SurName;
            }
            else
            {
                firstname = "Unknown";
                lastname = "Unknown";
            }

            remoteClient.SendAgentDataUpdate(dataForAgentID, activeGroupID, firstname,
                    lastname, activeGroupPowers, activeGroupName,
                    activeGroupTitle);
        }

        #endregion

        #region IM Backed Processes

        private void OutgoingInstantMessage(GridInstantMessage msg, UUID msgTo)
        {
            if (m_debugEnabled) m_log.InfoFormat("[GROUPS]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);

            IClientAPI localClient = GetActiveClient(msgTo);
            if (localClient != null)
            {
                if (m_debugEnabled) m_log.InfoFormat("[GROUPS]: MsgTo ({0}) is local, delivering directly", localClient.Name);
                localClient.SendInstantMessage(msg);
            }
            else
            {
                if (m_debugEnabled) m_log.InfoFormat("[GROUPS]: MsgTo ({0}) is not local, delivering via TransferModule", msgTo);
                m_msgTransferModule.SendInstantMessage(msg, delegate(bool success) { if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: Message Sent: {0}", success?"Succeeded":"Failed"); });
            }
        }

        public void NotifyChange(UUID groupID)
        {
            // Notify all group members of a chnge in group roles and/or
            // permissions
            //
        }

        #endregion
    }

}