summaryrefslogtreecommitdiffstats
path: root/include/VBox/RemoteDesktop/VRDE.h
blob: 56c0322641708f4262e8cec1c01610295e34dde8 (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
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
/** @file
 * VBox Remote Desktop Extension (VRDE) - Public APIs.
 */

/*
 * Copyright (C) 2006-2022 Oracle and/or its affiliates.
 *
 * This file is part of VirtualBox base platform packages, as
 * available from https://www.virtualbox.org.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation, in version 3 of the
 * License.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <https://www.gnu.org/licenses>.
 *
 * The contents of this file may alternatively be used under the terms
 * of the Common Development and Distribution License Version 1.0
 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
 * in the VirtualBox distribution, in which case the provisions of the
 * CDDL are applicable instead of those of the GPL.
 *
 * You may elect to license modified versions of this file under the
 * terms and conditions of either the GPL or the CDDL or both.
 *
 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
 */

#ifndef VBOX_INCLUDED_RemoteDesktop_VRDE_h
#define VBOX_INCLUDED_RemoteDesktop_VRDE_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif

#include <iprt/cdefs.h>
#include <iprt/types.h>

/** @defgroup grp_vrdp VRDE
 * VirtualBox Remote Desktop Extension (VRDE) interface that lets to use
 * a Remote Desktop server like RDP.
 * @{
 */

RT_C_DECLS_BEGIN

/* Forward declaration of the VRDE server instance handle.
 * This is an opaque pointer for VirtualBox.
 * The VRDE library uses it as a pointer to some internal data.
 */
#ifdef __cplusplus
class VRDEServer;
typedef class VRDEServerType *HVRDESERVER;
#else
struct VRDEServer;
typedef struct VRDEServerType *HVRDESERVER;
#endif /* !__cplusplus */

/* Callback based VRDE server interface declarations. */

/** The color mouse pointer information. */
typedef struct _VRDECOLORPOINTER
{
    uint16_t u16HotX;
    uint16_t u16HotY;
    uint16_t u16Width;
    uint16_t u16Height;
    uint16_t u16MaskLen;
    uint16_t u16DataLen;
    /* The 1BPP mask and the 24BPP bitmap follow. */
} VRDECOLORPOINTER;

/** Audio format information packed in a 32 bit value. */
typedef uint32_t VRDEAUDIOFORMAT;

/** Constructs 32 bit value for given frequency, number of channel and bits per sample. */
#define VRDE_AUDIO_FMT_MAKE(freq, c, bps, s) ((((s) & 0x1) << 28) + (((bps) & 0xFF) << 20) + (((c) & 0xF) << 16) + ((freq) & 0xFFFF))

/** Decode frequency. */
#define VRDE_AUDIO_FMT_SAMPLE_FREQ(a) ((a) & 0xFFFF)
/** Decode number of channels. */
#define VRDE_AUDIO_FMT_CHANNELS(a) (((a) >> 16) & 0xF)
/** Decode number signess. */
#define VRDE_AUDIO_FMT_SIGNED(a) (((a) >> 28) & 0x1)
/** Decode number of bits per sample. */
#define VRDE_AUDIO_FMT_BITS_PER_SAMPLE(a) (((a) >> 20) & 0xFF)
/** Decode number of bytes per sample. */
#define VRDE_AUDIO_FMT_BYTES_PER_SAMPLE(a) ((VRDE_AUDIO_FMT_BITS_PER_SAMPLE(a) + 7) / 8)


/*
 * Audio input.
 */

/* Audio input notifications. */
#define VRDE_AUDIOIN_BEGIN     1
#define VRDE_AUDIOIN_DATA      2
#define VRDE_AUDIOIN_END       3

typedef struct VRDEAUDIOINBEGIN
{
    VRDEAUDIOFORMAT fmt; /* Actual format of data, which will be sent in VRDE_AUDIOIN_DATA events. */
} VRDEAUDIOINBEGIN, *PVRDEAUDIOINBEGIN;


/*
 * Remote USB protocol.
 */

/* The initial version 1. */
#define VRDE_USB_VERSION_1 (1)
/* Version 2: look for VRDE_USB_VERSION_2 comments in the code. */
#define VRDE_USB_VERSION_2 (2)
/* Version 3: look for VRDE_USB_VERSION_3 comments in the code. */
#define VRDE_USB_VERSION_3 (3)

/* The default VRDE server version of Remote USB Protocol. */
#define VRDE_USB_VERSION VRDE_USB_VERSION_3


/** USB backend operations. */
#define VRDE_USB_REQ_OPEN              (0)
#define VRDE_USB_REQ_CLOSE             (1)
#define VRDE_USB_REQ_RESET             (2)
#define VRDE_USB_REQ_SET_CONFIG        (3)
#define VRDE_USB_REQ_CLAIM_INTERFACE   (4)
#define VRDE_USB_REQ_RELEASE_INTERFACE (5)
#define VRDE_USB_REQ_INTERFACE_SETTING (6)
#define VRDE_USB_REQ_QUEUE_URB         (7)
#define VRDE_USB_REQ_REAP_URB          (8)
#define VRDE_USB_REQ_CLEAR_HALTED_EP   (9)
#define VRDE_USB_REQ_CANCEL_URB        (10)

/** USB service operations. */
#define VRDE_USB_REQ_DEVICE_LIST       (11)
#define VRDE_USB_REQ_NEGOTIATE         (12)

/** An operation completion status is a byte. */
typedef uint8_t VRDEUSBSTATUS;

/** USB device identifier is an 32 bit value. */
typedef uint32_t VRDEUSBDEVID;

/** Status codes. */
#define VRDE_USB_STATUS_SUCCESS        ((VRDEUSBSTATUS)0)
#define VRDE_USB_STATUS_ACCESS_DENIED  ((VRDEUSBSTATUS)1)
#define VRDE_USB_STATUS_DEVICE_REMOVED ((VRDEUSBSTATUS)2)

/*
 * Data structures to use with VRDEUSBRequest.
 * The *RET* structures always represent the layout of VRDE data.
 * The *PARM* structures normally the same as VRDE layout.
 * However the VRDE_USB_REQ_QUEUE_URB_PARM has a pointer to
 * URB data in place where actual data will be in VRDE layout.
 *
 * Since replies (*RET*) are asynchronous, the 'success'
 * replies are not required for operations which return
 * only the status code (VRDEUSBREQRETHDR only):
 *  VRDE_USB_REQ_OPEN
 *  VRDE_USB_REQ_RESET
 *  VRDE_USB_REQ_SET_CONFIG
 *  VRDE_USB_REQ_CLAIM_INTERFACE
 *  VRDE_USB_REQ_RELEASE_INTERFACE
 *  VRDE_USB_REQ_INTERFACE_SETTING
 *  VRDE_USB_REQ_CLEAR_HALTED_EP
 *
 */

/* VRDE layout has no alignments. */
#pragma pack(1)
/* Common header for all VRDE USB packets. After the reply hdr follows *PARM* or *RET* data. */
typedef struct _VRDEUSBPKTHDR
{
    /* Total length of the reply NOT including the 'length' field. */
    uint32_t length;
    /* The operation code for which the reply was sent by the client. */
    uint8_t code;
} VRDEUSBPKTHDR;

/* Common header for all return structures. */
typedef struct _VRDEUSBREQRETHDR
{
    /* Device status. */
    VRDEUSBSTATUS status;
    /* Device id. */
    VRDEUSBDEVID id;
} VRDEUSBREQRETHDR;


/* VRDE_USB_REQ_OPEN
 */
typedef struct _VRDE_USB_REQ_OPEN_PARM
{
    uint8_t code;
    VRDEUSBDEVID id;
} VRDE_USB_REQ_OPEN_PARM;

typedef struct _VRDE_USB_REQ_OPEN_RET
{
    VRDEUSBREQRETHDR hdr;
} VRDE_USB_REQ_OPEN_RET;


/* VRDE_USB_REQ_CLOSE
 */
typedef struct _VRDE_USB_REQ_CLOSE_PARM
{
    uint8_t code;
    VRDEUSBDEVID id;
} VRDE_USB_REQ_CLOSE_PARM;

/* The close request has no returned data. */


/* VRDE_USB_REQ_RESET
 */
typedef struct _VRDE_USB_REQ_RESET_PARM
{
    uint8_t code;
    VRDEUSBDEVID id;
} VRDE_USB_REQ_RESET_PARM;

typedef struct _VRDE_USB_REQ_RESET_RET
{
    VRDEUSBREQRETHDR hdr;
} VRDE_USB_REQ_RESET_RET;


/* VRDE_USB_REQ_SET_CONFIG
 */
typedef struct _VRDE_USB_REQ_SET_CONFIG_PARM
{
    uint8_t code;
    VRDEUSBDEVID id;
    uint8_t configuration;
} VRDE_USB_REQ_SET_CONFIG_PARM;

typedef struct _VRDE_USB_REQ_SET_CONFIG_RET
{
    VRDEUSBREQRETHDR hdr;
} VRDE_USB_REQ_SET_CONFIG_RET;


/* VRDE_USB_REQ_CLAIM_INTERFACE
 */
typedef struct _VRDE_USB_REQ_CLAIM_INTERFACE_PARM
{
    uint8_t code;
    VRDEUSBDEVID id;
    uint8_t iface;
} VRDE_USB_REQ_CLAIM_INTERFACE_PARM;

typedef struct _VRDE_USB_REQ_CLAIM_INTERFACE_RET
{
    VRDEUSBREQRETHDR hdr;
} VRDE_USB_REQ_CLAIM_INTERFACE_RET;


/* VRDE_USB_REQ_RELEASE_INTERFACE
 */
typedef struct _VRDE_USB_REQ_RELEASE_INTERFACE_PARM
{
    uint8_t code;
    VRDEUSBDEVID id;
    uint8_t iface;
} VRDE_USB_REQ_RELEASE_INTERFACE_PARM;

typedef struct _VRDE_USB_REQ_RELEASE_INTERFACE_RET
{
    VRDEUSBREQRETHDR hdr;
} VRDE_USB_REQ_RELEASE_INTERFACE_RET;


/* VRDE_USB_REQ_INTERFACE_SETTING
 */
typedef struct _VRDE_USB_REQ_INTERFACE_SETTING_PARM
{
    uint8_t code;
    VRDEUSBDEVID id;
    uint8_t iface;
    uint8_t setting;
} VRDE_USB_REQ_INTERFACE_SETTING_PARM;

typedef struct _VRDE_USB_REQ_INTERFACE_SETTING_RET
{
    VRDEUSBREQRETHDR hdr;
} VRDE_USB_REQ_INTERFACE_SETTING_RET;


/* VRDE_USB_REQ_QUEUE_URB
 */

#define VRDE_USB_TRANSFER_TYPE_CTRL (0)
#define VRDE_USB_TRANSFER_TYPE_ISOC (1)
#define VRDE_USB_TRANSFER_TYPE_BULK (2)
#define VRDE_USB_TRANSFER_TYPE_INTR (3)
#define VRDE_USB_TRANSFER_TYPE_MSG  (4)

#define VRDE_USB_DIRECTION_SETUP (0)
#define VRDE_USB_DIRECTION_IN    (1)
#define VRDE_USB_DIRECTION_OUT   (2)

typedef struct _VRDE_USB_REQ_QUEUE_URB_PARM
{
    uint8_t code;
    VRDEUSBDEVID id;
    uint32_t handle;    /* Distinguishes that particular URB. Later used in CancelURB and returned by ReapURB */
    uint8_t type;
    uint8_t ep;
    uint8_t direction;
    uint32_t urblen;    /* Length of the URB. */
    uint32_t datalen;   /* Length of the data. */
    void *data;         /* In RDP layout the data follow. */
} VRDE_USB_REQ_QUEUE_URB_PARM;

/* The queue URB has no explicit return. The reap URB reply will be
 * eventually the indirect result.
 */


/* VRDE_USB_REQ_REAP_URB
 * Notificationg from server to client that server expects an URB
 * from any device.
 * Only sent if negotiated URB return method is polling.
 * Normally, the client will send URBs back as soon as they are ready.
 */
typedef struct _VRDE_USB_REQ_REAP_URB_PARM
{
    uint8_t code;
} VRDE_USB_REQ_REAP_URB_PARM;


#define VRDE_USB_XFER_OK    (0)
#define VRDE_USB_XFER_STALL (1)
#define VRDE_USB_XFER_DNR   (2)
#define VRDE_USB_XFER_CRC   (3)
/* VRDE_USB_VERSION_2: New error codes. OHCI Completion Codes. */
#define VRDE_USB_XFER_BS    (4)  /* BitStuffing */
#define VRDE_USB_XFER_DTM   (5)  /* DataToggleMismatch */
#define VRDE_USB_XFER_PCF   (6)  /* PIDCheckFailure */
#define VRDE_USB_XFER_UPID  (7)  /* UnexpectedPID */
#define VRDE_USB_XFER_DO    (8)  /* DataOverrun */
#define VRDE_USB_XFER_DU    (9)  /* DataUnderrun */
#define VRDE_USB_XFER_BO    (10) /* BufferOverrun */
#define VRDE_USB_XFER_BU    (11) /* BufferUnderrun */
#define VRDE_USB_XFER_ERR   (12) /* VBox protocol error. */

#define VRDE_USB_REAP_FLAG_CONTINUED (0x0)
#define VRDE_USB_REAP_FLAG_LAST      (0x1)
/* VRDE_USB_VERSION_3: Fragmented URBs. */
#define VRDE_USB_REAP_FLAG_FRAGMENT  (0x2)

#define VRDE_USB_REAP_VALID_FLAGS    (VRDE_USB_REAP_FLAG_LAST)
/* VRDE_USB_VERSION_3: Fragmented URBs. */
#define VRDE_USB_REAP_VALID_FLAGS_3  (VRDE_USB_REAP_FLAG_LAST | VRDE_USB_REAP_FLAG_FRAGMENT)

typedef struct _VRDEUSBREQREAPURBBODY
{
    VRDEUSBDEVID     id;        /* From which device the URB arrives. */
    uint8_t          flags;     /* VRDE_USB_REAP_FLAG_* */
    uint8_t          error;     /* VRDE_USB_XFER_* */
    uint32_t         handle;    /* Handle of returned URB. Not 0. */
    uint32_t         len;       /* Length of data actually transferred. */
    /* 'len' bytes of data follow if direction of this URB was VRDE_USB_DIRECTION_IN. */
} VRDEUSBREQREAPURBBODY;

typedef struct _VRDE_USB_REQ_REAP_URB_RET
{
    /* The REAP URB has no header, only completed URBs are returned. */
    VRDEUSBREQREAPURBBODY body;
    /* Another body may follow, depending on flags. */
} VRDE_USB_REQ_REAP_URB_RET;


/* VRDE_USB_REQ_CLEAR_HALTED_EP
 */
typedef struct _VRDE_USB_REQ_CLEAR_HALTED_EP_PARM
{
    uint8_t code;
    VRDEUSBDEVID id;
    uint8_t ep;
} VRDE_USB_REQ_CLEAR_HALTED_EP_PARM;

typedef struct _VRDE_USB_REQ_CLEAR_HALTED_EP_RET
{
    VRDEUSBREQRETHDR hdr;
} VRDE_USB_REQ_CLEAR_HALTED_EP_RET;


/* VRDE_USB_REQ_CANCEL_URB
 */
typedef struct _VRDE_USB_REQ_CANCEL_URB_PARM
{
    uint8_t code;
    VRDEUSBDEVID id;
    uint32_t handle;
} VRDE_USB_REQ_CANCEL_URB_PARM;

/* The cancel URB request has no return. */


/* VRDE_USB_REQ_DEVICE_LIST
 *
 * Server polls USB devices on client by sending this request
 * periodically. Client sends back a list of all devices
 * connected to it. Each device is assigned with an identifier,
 * that is used to distinguish the particular device.
 */
typedef struct _VRDE_USB_REQ_DEVICE_LIST_PARM
{
    uint8_t code;
} VRDE_USB_REQ_DEVICE_LIST_PARM;

/* Data is a list of the following variable length structures. */
typedef struct _VRDEUSBDEVICEDESC
{
    /* Offset of the next structure. 0 if last. */
    uint16_t oNext;

    /* Identifier of the device assigned by client. */
    VRDEUSBDEVID id;

    /** USB version number. */
    uint16_t        bcdUSB;
    /** Device class. */
    uint8_t         bDeviceClass;
    /** Device subclass. */
    uint8_t         bDeviceSubClass;
    /** Device protocol */
    uint8_t         bDeviceProtocol;
    /** Vendor ID. */
    uint16_t        idVendor;
    /** Product ID. */
    uint16_t        idProduct;
    /** Revision, integer part. */
    uint16_t        bcdRev;
    /** Offset of the UTF8 manufacturer string relative to the structure start. */
    uint16_t        oManufacturer;
    /** Offset of the UTF8 product string relative to the structure start. */
    uint16_t        oProduct;
    /** Offset of the UTF8 serial number string relative to the structure start. */
    uint16_t        oSerialNumber;
    /** Physical USB port the device is connected to. */
    uint16_t        idPort;

} VRDEUSBDEVICEDESC;

#define VRDE_USBDEVICESPEED_UNKNOWN    0 /* Unknown. */
#define VRDE_USBDEVICESPEED_LOW        1 /* Low speed (1.5 Mbit/s). */
#define VRDE_USBDEVICESPEED_FULL       2 /* Full speed (12 Mbit/s). */
#define VRDE_USBDEVICESPEED_HIGH       3 /* High speed (480 Mbit/s). */
#define VRDE_USBDEVICESPEED_VARIABLE   4 /* Variable speed - USB 2.5 / wireless. */
#define VRDE_USBDEVICESPEED_SUPERSPEED 5 /* Super Speed - USB 3.0 */

typedef struct _VRDEUSBDEVICEDESCEXT
{
    VRDEUSBDEVICEDESC desc;

    /* Extended info.
     */

    /** The USB device speed: VRDE_USBDEVICESPEED_*. */
    uint16_t        u16DeviceSpeed;
} VRDEUSBDEVICEDESCEXT;

typedef struct _VRDE_USB_REQ_DEVICE_LIST_RET
{
    VRDEUSBDEVICEDESC body;
    /* Other devices may follow.
     * The list ends with (uint16_t)0,
     * which means that an empty list consists of 2 zero bytes.
     */
} VRDE_USB_REQ_DEVICE_LIST_RET;

typedef struct _VRDE_USB_REQ_DEVICE_LIST_EXT_RET
{
    VRDEUSBDEVICEDESCEXT body;
    /* Other devices may follow.
     * The list ends with (uint16_t)0,
     * which means that an empty list consists of 2 zero bytes.
     */
} VRDE_USB_REQ_DEVICE_LIST_EXT_RET;

/* The server requests the version of the port the device is attached to.
 * The client must use VRDEUSBDEVICEDESCEXT structure.
 */
#define VRDE_USB_SERVER_CAPS_PORT_VERSION 0x0001

typedef struct _VRDEUSBREQNEGOTIATEPARM
{
    uint8_t code;

    /* Remote USB Protocol version. */
    /* VRDE_USB_VERSION_3: the 32 bit field is splitted to 16 bit version and 16 bit flags.
     * Version 1 and 2 servers therefore have 'flags' == 0.
     * Version 3+ servers can send some capabilities in this field, this way it is possible to add
     *  a new capability without increasing the protocol version.
     */
    uint16_t version;
    uint16_t flags; /* See VRDE_USB_SERVER_CAPS_* */

} VRDEUSBREQNEGOTIATEPARM;

/* VRDEUSBREQNEGOTIATERET flags. */
#define VRDE_USB_CAPS_FLAG_ASYNC    (0x0)
#define VRDE_USB_CAPS_FLAG_POLL     (0x1)
/* VRDE_USB_VERSION_2: New flag. */
#define VRDE_USB_CAPS2_FLAG_VERSION (0x2) /* The client is negotiating the protocol version. */
/* VRDE_USB_VERSION_3: New flag. */
#define VRDE_USB_CAPS3_FLAG_EXT     (0x4) /* The client is negotiating the extended flags.
                                           * If this flag is set, then the VRDE_USB_CAPS2_FLAG_VERSION
                                           * must also be set.
                                           */


#define VRDE_USB_CAPS_VALID_FLAGS   (VRDE_USB_CAPS_FLAG_POLL)
/* VRDE_USB_VERSION_2: A set of valid flags. */
#define VRDE_USB_CAPS2_VALID_FLAGS  (VRDE_USB_CAPS_FLAG_POLL | VRDE_USB_CAPS2_FLAG_VERSION)
/* VRDE_USB_VERSION_3: A set of valid flags. */
#define VRDE_USB_CAPS3_VALID_FLAGS  (VRDE_USB_CAPS_FLAG_POLL | VRDE_USB_CAPS2_FLAG_VERSION | VRDE_USB_CAPS3_FLAG_EXT)

typedef struct _VRDEUSBREQNEGOTIATERET
{
    uint8_t flags;
} VRDEUSBREQNEGOTIATERET;

typedef struct _VRDEUSBREQNEGOTIATERET_2
{
    uint8_t flags;
    uint32_t u32Version; /* This field presents only if the VRDE_USB_CAPS2_FLAG_VERSION flag is set. */
} VRDEUSBREQNEGOTIATERET_2;

/* The server requests the version of the port the device is attached to.
 * The client must use VRDEUSBDEVICEDESCEXT structure.
 */
#define VRDE_USB_CLIENT_CAPS_PORT_VERSION 0x00000001

typedef struct _VRDEUSBREQNEGOTIATERET_3
{
    uint8_t flags;
    uint32_t u32Version; /* This field presents only if the VRDE_USB_CAPS2_FLAG_VERSION flag is set. */
    uint32_t u32Flags;   /* This field presents only if both VRDE_USB_CAPS2_FLAG_VERSION and
                          * VRDE_USB_CAPS2_FLAG_EXT flag are set.
                          * See VRDE_USB_CLIENT_CAPS_*
                          */
} VRDEUSBREQNEGOTIATERET_3;
#pragma pack()

#define VRDE_CLIPBOARD_FORMAT_NULL         (0x0)
#define VRDE_CLIPBOARD_FORMAT_UNICODE_TEXT (0x1)
#define VRDE_CLIPBOARD_FORMAT_BITMAP       (0x2)
#define VRDE_CLIPBOARD_FORMAT_HTML         (0x4)

#define VRDE_CLIPBOARD_FUNCTION_FORMAT_ANNOUNCE (0)
#define VRDE_CLIPBOARD_FUNCTION_DATA_READ       (1)
#define VRDE_CLIPBOARD_FUNCTION_DATA_WRITE      (2)


/** Indexes of information values. */

/** Whether a client is connected at the moment.
 * uint32_t
 */
#define VRDE_QI_ACTIVE                 (0)

/** How many times a client connected up to current moment.
 * uint32_t
 */
#define VRDE_QI_NUMBER_OF_CLIENTS      (1)

/** When last connection was established.
 * int64_t time in milliseconds since 1970-01-01 00:00:00 UTC
 */
#define VRDE_QI_BEGIN_TIME             (2)

/** When last connection was terminated or current time if connection still active.
 * int64_t time in milliseconds since 1970-01-01 00:00:00 UTC
 */
#define VRDE_QI_END_TIME               (3)

/** How many bytes were sent in last (current) connection.
 * uint64_t
 */
#define VRDE_QI_BYTES_SENT             (4)

/** How many bytes were sent in all connections.
 * uint64_t
 */
#define VRDE_QI_BYTES_SENT_TOTAL       (5)

/** How many bytes were received in last (current) connection.
 * uint64_t
 */
#define VRDE_QI_BYTES_RECEIVED         (6)

/** How many bytes were received in all connections.
 * uint64_t
 */
#define VRDE_QI_BYTES_RECEIVED_TOTAL   (7)

/** Login user name supplied by the client.
 * UTF8 nul terminated string.
 */
#define VRDE_QI_USER                   (8)

/** Login domain supplied by the client.
 * UTF8 nul terminated string.
 */
#define VRDE_QI_DOMAIN                 (9)

/** The client name supplied by the client.
 * UTF8 nul terminated string.
 */
#define VRDE_QI_CLIENT_NAME            (10)

/** IP address of the client.
 * UTF8 nul terminated string.
 */
#define VRDE_QI_CLIENT_IP              (11)

/** The client software version number.
 * uint32_t.
 */
#define VRDE_QI_CLIENT_VERSION         (12)

/** Public key exchange method used when connection was established.
 *  Values: 0 - RDP4 public key exchange scheme.
 *          1 - X509 sertificates were sent to client.
 * uint32_t.
 */
#define VRDE_QI_ENCRYPTION_STYLE       (13)

/** TCP port where the server listens.
 *  Values: 0 - VRDE server failed to start.
 *          -1 - .
 * int32_t.
 */
#define VRDE_QI_PORT                   (14)


/** Hints what has been intercepted by the application. */
#define VRDE_CLIENT_INTERCEPT_AUDIO       RT_BIT(0)
#define VRDE_CLIENT_INTERCEPT_USB         RT_BIT(1)
#define VRDE_CLIENT_INTERCEPT_CLIPBOARD   RT_BIT(2)
#define VRDE_CLIENT_INTERCEPT_AUDIO_INPUT RT_BIT(3)


/** The version of the VRDE server interface. */
#define VRDE_INTERFACE_VERSION_1 (1)
#define VRDE_INTERFACE_VERSION_2 (2)
#define VRDE_INTERFACE_VERSION_3 (3)
#define VRDE_INTERFACE_VERSION_4 (4)

/** The header that does not change when the interface changes. */
typedef struct _VRDEINTERFACEHDR
{
    /** The version of the interface. */
    uint64_t u64Version;

    /** The size of the structure. */
    uint64_t u64Size;

} VRDEINTERFACEHDR;

/** The VRDE server entry points. Interface version 1. */
typedef struct _VRDEENTRYPOINTS_1
{
    /** The header. */
    VRDEINTERFACEHDR header;

    /** Destroy the server instance.
     *
     * @param hServer The server instance handle.
     *
     * @return IPRT status code.
     */
    DECLR3CALLBACKMEMBER(void, VRDEDestroy,(HVRDESERVER hServer));

    /** The server should start to accept clients connections.
     *
     * @param hServer The server instance handle.
     * @param fEnable Whether to enable or disable client connections.
     *                When is false, all existing clients are disconnected.
     *
     * @return IPRT status code.
     */
    DECLR3CALLBACKMEMBER(int, VRDEEnableConnections,(HVRDESERVER hServer,
                                                   bool fEnable));

    /** The server should disconnect the client.
     *
     * @param hServer     The server instance handle.
     * @param u32ClientId The client identifier.
     * @param fReconnect  Whether to send a "REDIRECT to the same server" packet to the
     *                    client before disconnecting.
     *
     * @return IPRT status code.
     */
    DECLR3CALLBACKMEMBER(void, VRDEDisconnect,(HVRDESERVER hServer,
                                             uint32_t u32ClientId,
                                             bool fReconnect));

    /**
     * Inform the server that the display was resized.
     * The server will query information about display
     * from the application via callbacks.
     *
     * @param hServer Handle of VRDE server instance.
     */
    DECLR3CALLBACKMEMBER(void, VRDEResize,(HVRDESERVER hServer));

    /**
     * Send a update.
     *
     * Note: the server must access the framebuffer bitmap only when VRDEUpdate is called.
     *       If the have to access the bitmap later or from another thread, then
     *       it must used an intermediate buffer and copy the framebuffer data to the
     *       intermediate buffer in VRDEUpdate.
     *
     * @param hServer   Handle of VRDE server instance.
     * @param uScreenId The screen index.
     * @param pvUpdate  Pointer to VRDEOrders.h::VRDEORDERHDR structure with extra data.
     * @param cbUpdate  Size of the update data.
     */
    DECLR3CALLBACKMEMBER(void, VRDEUpdate,(HVRDESERVER hServer,
                                         unsigned uScreenId,
                                         void *pvUpdate,
                                         uint32_t cbUpdate));

    /**
     * Set the mouse pointer shape.
     *
     * @param hServer  Handle of VRDE server instance.
     * @param pPointer The pointer shape information.
     */
    DECLR3CALLBACKMEMBER(void, VRDEColorPointer,(HVRDESERVER hServer,
                                               const VRDECOLORPOINTER *pPointer));

    /**
     * Hide the mouse pointer.
     *
     * @param hServer Handle of VRDE server instance.
     */
    DECLR3CALLBACKMEMBER(void, VRDEHidePointer,(HVRDESERVER hServer));

    /**
     * Queues the samples to be sent to clients.
     *
     * @param hServer    Handle of VRDE server instance.
     * @param pvSamples  Address of samples to be sent.
     * @param cSamples   Number of samples.
     * @param format     Encoded audio format for these samples.
     *
     * @note Initialized to NULL when the application audio callbacks are NULL.
     */
    DECLR3CALLBACKMEMBER(void, VRDEAudioSamples,(HVRDESERVER hServer,
                                               const void *pvSamples,
                                               uint32_t cSamples,
                                               VRDEAUDIOFORMAT format));

    /**
     * Sets the sound volume on clients.
     *
     * @param hServer    Handle of VRDE server instance.
     * @param left       0..0xFFFF volume level for left channel.
     * @param right      0..0xFFFF volume level for right channel.
     *
     * @note Initialized to NULL when the application audio callbacks are NULL.
     */
    DECLR3CALLBACKMEMBER(void, VRDEAudioVolume,(HVRDESERVER hServer,
                                              uint16_t u16Left,
                                              uint16_t u16Right));

    /**
     * Sends a USB request.
     *
     * @param hServer      Handle of VRDE server instance.
     * @param u32ClientId  An identifier that allows the server to find the corresponding client.
     *                     The identifier is always passed by the server as a parameter
     *                     of the FNVRDEUSBCALLBACK. Note that the value is the same as
     *                     in the VRDESERVERCALLBACK functions.
     * @param pvParm       Function specific parameters buffer.
     * @param cbParm       Size of the buffer.
     *
     * @note Initialized to NULL when the application USB callbacks are NULL.
     */
    DECLR3CALLBACKMEMBER(void, VRDEUSBRequest,(HVRDESERVER hServer,
                                             uint32_t u32ClientId,
                                             void *pvParm,
                                             uint32_t cbParm));

    /**
     * Called by the application when (VRDE_CLIPBOARD_FUNCTION_*):
     *   - (0) guest announces available clipboard formats;
     *   - (1) guest requests clipboard data;
     *   - (2) guest responds to the client's request for clipboard data.
     *
     * @param hServer     The VRDE server handle.
     * @param u32Function The cause of the call.
     * @param u32Format   Bitmask of announced formats or the format of data.
     * @param pvData      Points to: (1) buffer to be filled with clients data;
     *                               (2) data from the host.
     * @param cbData      Size of 'pvData' buffer in bytes.
     * @param pcbActualRead Size of the copied data in bytes.
     *
     * @note Initialized to NULL when the application clipboard callbacks are NULL.
     */
    DECLR3CALLBACKMEMBER(void, VRDEClipboard,(HVRDESERVER hServer,
                                            uint32_t u32Function,
                                            uint32_t u32Format,
                                            void *pvData,
                                            uint32_t cbData,
                                            uint32_t *pcbActualRead));

    /**
     * Query various information from the VRDE server.
     *
     * @param hServer   The VRDE server handle.
     * @param index     VRDE_QI_* identifier of information to be returned.
     * @param pvBuffer  Address of memory buffer to which the information must be written.
     * @param cbBuffer  Size of the memory buffer in bytes.
     * @param pcbOut    Size in bytes of returned information value.
     *
     * @remark The caller must check the *pcbOut. 0 there means no information was returned.
     *         A value greater than cbBuffer means that information is too big to fit in the
     *         buffer, in that case no information was placed to the buffer.
     */
    DECLR3CALLBACKMEMBER(void, VRDEQueryInfo,(HVRDESERVER hServer,
                                            uint32_t index,
                                            void *pvBuffer,
                                            uint32_t cbBuffer,
                                            uint32_t *pcbOut));
} VRDEENTRYPOINTS_1;

/** The VRDE server entry points. Interface version 2.
 *  A new entry point VRDERedirect has been added relative to version 1.
 */
typedef struct _VRDEENTRYPOINTS_2
{
    /** The header. */
    VRDEINTERFACEHDR header;

    /** Destroy the server instance.
     *
     * @param hServer The server instance handle.
     *
     * @return IPRT status code.
     */
    DECLR3CALLBACKMEMBER(void, VRDEDestroy,(HVRDESERVER hServer));

    /** The server should start to accept clients connections.
     *
     * @param hServer The server instance handle.
     * @param fEnable Whether to enable or disable client connections.
     *                When is false, all existing clients are disconnected.
     *
     * @return IPRT status code.
     */
    DECLR3CALLBACKMEMBER(int, VRDEEnableConnections,(HVRDESERVER hServer,
                                                   bool fEnable));

    /** The server should disconnect the client.
     *
     * @param hServer     The server instance handle.
     * @param u32ClientId The client identifier.
     * @param fReconnect  Whether to send a "REDIRECT to the same server" packet to the
     *                    client before disconnecting.
     *
     * @return IPRT status code.
     */
    DECLR3CALLBACKMEMBER(void, VRDEDisconnect,(HVRDESERVER hServer,
                                             uint32_t u32ClientId,
                                             bool fReconnect));

    /**
     * Inform the server that the display was resized.
     * The server will query information about display
     * from the application via callbacks.
     *
     * @param hServer Handle of VRDE server instance.
     */
    DECLR3CALLBACKMEMBER(void, VRDEResize,(HVRDESERVER hServer));

    /**
     * Send a update.
     *
     * Note: the server must access the framebuffer bitmap only when VRDEUpdate is called.
     *       If the have to access the bitmap later or from another thread, then
     *       it must used an intermediate buffer and copy the framebuffer data to the
     *       intermediate buffer in VRDEUpdate.
     *
     * @param hServer   Handle of VRDE server instance.
     * @param uScreenId The screen index.
     * @param pvUpdate  Pointer to VRDEOrders.h::VRDEORDERHDR structure with extra data.
     * @param cbUpdate  Size of the update data.
     */
    DECLR3CALLBACKMEMBER(void, VRDEUpdate,(HVRDESERVER hServer,
                                         unsigned uScreenId,
                                         void *pvUpdate,
                                         uint32_t cbUpdate));

    /**
     * Set the mouse pointer shape.
     *
     * @param hServer  Handle of VRDE server instance.
     * @param pPointer The pointer shape information.
     */
    DECLR3CALLBACKMEMBER(void, VRDEColorPointer,(HVRDESERVER hServer,
                                               const VRDECOLORPOINTER *pPointer));

    /**
     * Hide the mouse pointer.
     *
     * @param hServer Handle of VRDE server instance.
     */
    DECLR3CALLBACKMEMBER(void, VRDEHidePointer,(HVRDESERVER hServer));

    /**
     * Queues the samples to be sent to clients.
     *
     * @param hServer    Handle of VRDE server instance.
     * @param pvSamples  Address of samples to be sent.
     * @param cSamples   Number of samples.
     * @param format     Encoded audio format for these samples.
     *
     * @note Initialized to NULL when the application audio callbacks are NULL.
     */
    DECLR3CALLBACKMEMBER(void, VRDEAudioSamples,(HVRDESERVER hServer,
                                               const void *pvSamples,
                                               uint32_t cSamples,
                                               VRDEAUDIOFORMAT format));

    /**
     * Sets the sound volume on clients.
     *
     * @param hServer    Handle of VRDE server instance.
     * @param left       0..0xFFFF volume level for left channel.
     * @param right      0..0xFFFF volume level for right channel.
     *
     * @note Initialized to NULL when the application audio callbacks are NULL.
     */
    DECLR3CALLBACKMEMBER(void, VRDEAudioVolume,(HVRDESERVER hServer,
                                              uint16_t u16Left,
                                              uint16_t u16Right));

    /**
     * Sends a USB request.
     *
     * @param hServer      Handle of VRDE server instance.
     * @param u32ClientId  An identifier that allows the server to find the corresponding client.
     *                     The identifier is always passed by the server as a parameter
     *                     of the FNVRDEUSBCALLBACK. Note that the value is the same as
     *                     in the VRDESERVERCALLBACK functions.
     * @param pvParm       Function specific parameters buffer.
     * @param cbParm       Size of the buffer.
     *
     * @note Initialized to NULL when the application USB callbacks are NULL.
     */
    DECLR3CALLBACKMEMBER(void, VRDEUSBRequest,(HVRDESERVER hServer,
                                             uint32_t u32ClientId,
                                             void *pvParm,
                                             uint32_t cbParm));

    /**
     * Called by the application when (VRDE_CLIPBOARD_FUNCTION_*):
     *   - (0) guest announces available clipboard formats;
     *   - (1) guest requests clipboard data;
     *   - (2) guest responds to the client's request for clipboard data.
     *
     * @param hServer     The VRDE server handle.
     * @param u32Function The cause of the call.
     * @param u32Format   Bitmask of announced formats or the format of data.
     * @param pvData      Points to: (1) buffer to be filled with clients data;
     *                               (2) data from the host.
     * @param cbData      Size of 'pvData' buffer in bytes.
     * @param pcbActualRead Size of the copied data in bytes.
     *
     * @note Initialized to NULL when the application clipboard callbacks are NULL.
     */
    DECLR3CALLBACKMEMBER(void, VRDEClipboard,(HVRDESERVER hServer,
                                            uint32_t u32Function,
                                            uint32_t u32Format,
                                            void *pvData,
                                            uint32_t cbData,
                                            uint32_t *pcbActualRead));

    /**
     * Query various information from the VRDE server.
     *
     * @param hServer   The VRDE server handle.
     * @param index     VRDE_QI_* identifier of information to be returned.
     * @param pvBuffer  Address of memory buffer to which the information must be written.
     * @param cbBuffer  Size of the memory buffer in bytes.
     * @param pcbOut    Size in bytes of returned information value.
     *
     * @remark The caller must check the *pcbOut. 0 there means no information was returned.
     *         A value greater than cbBuffer means that information is too big to fit in the
     *         buffer, in that case no information was placed to the buffer.
     */
    DECLR3CALLBACKMEMBER(void, VRDEQueryInfo,(HVRDESERVER hServer,
                                            uint32_t index,
                                            void *pvBuffer,
                                            uint32_t cbBuffer,
                                            uint32_t *pcbOut));

    /**
     * The server should redirect the client to the specified server.
     *
     * @param hServer       The server instance handle.
     * @param u32ClientId   The client identifier.
     * @param pszServer     The server to redirect the client to.
     * @param pszUser       The username to use for the redirection.
     *                      Can be NULL.
     * @param pszDomain     The domain. Can be NULL.
     * @param pszPassword   The password. Can be NULL.
     * @param u32SessionId  The ID of the session to redirect to.
     * @param pszCookie     The routing token used by a load balancer to
     *                      route the redirection. Can be NULL.
     */
    DECLR3CALLBACKMEMBER(void, VRDERedirect,(HVRDESERVER hServer,
                                             uint32_t u32ClientId,
                                             const char *pszServer,
                                             const char *pszUser,
                                             const char *pszDomain,
                                             const char *pszPassword,
                                             uint32_t u32SessionId,
                                             const char *pszCookie));
} VRDEENTRYPOINTS_2;

/** The VRDE server entry points. Interface version 3.
 *  New entry points VRDEAudioInOpen and VRDEAudioInClose has been added relative to version 2.
 */
typedef struct _VRDEENTRYPOINTS_3
{
    /* The header. */
    VRDEINTERFACEHDR header;

    /*
     * Same as version 2. See comment in VRDEENTRYPOINTS_2.
     */

    DECLR3CALLBACKMEMBER(void, VRDEDestroy,(HVRDESERVER hServer));

    DECLR3CALLBACKMEMBER(int, VRDEEnableConnections,(HVRDESERVER hServer,
                                                   bool fEnable));

    DECLR3CALLBACKMEMBER(void, VRDEDisconnect,(HVRDESERVER hServer,
                                             uint32_t u32ClientId,
                                             bool fReconnect));

    DECLR3CALLBACKMEMBER(void, VRDEResize,(HVRDESERVER hServer));

    DECLR3CALLBACKMEMBER(void, VRDEUpdate,(HVRDESERVER hServer,
                                         unsigned uScreenId,
                                         void *pvUpdate,
                                         uint32_t cbUpdate));

    DECLR3CALLBACKMEMBER(void, VRDEColorPointer,(HVRDESERVER hServer,
                                               const VRDECOLORPOINTER *pPointer));

    DECLR3CALLBACKMEMBER(void, VRDEHidePointer,(HVRDESERVER hServer));

    DECLR3CALLBACKMEMBER(void, VRDEAudioSamples,(HVRDESERVER hServer,
                                               const void *pvSamples,
                                               uint32_t cSamples,
                                               VRDEAUDIOFORMAT format));

    DECLR3CALLBACKMEMBER(void, VRDEAudioVolume,(HVRDESERVER hServer,
                                              uint16_t u16Left,
                                              uint16_t u16Right));

    DECLR3CALLBACKMEMBER(void, VRDEUSBRequest,(HVRDESERVER hServer,
                                             uint32_t u32ClientId,
                                             void *pvParm,
                                             uint32_t cbParm));

    DECLR3CALLBACKMEMBER(void, VRDEClipboard,(HVRDESERVER hServer,
                                            uint32_t u32Function,
                                            uint32_t u32Format,
                                            void *pvData,
                                            uint32_t cbData,
                                            uint32_t *pcbActualRead));

    DECLR3CALLBACKMEMBER(void, VRDEQueryInfo,(HVRDESERVER hServer,
                                            uint32_t index,
                                            void *pvBuffer,
                                            uint32_t cbBuffer,
                                            uint32_t *pcbOut));

    DECLR3CALLBACKMEMBER(void, VRDERedirect,(HVRDESERVER hServer,
                                             uint32_t u32ClientId,
                                             const char *pszServer,
                                             const char *pszUser,
                                             const char *pszDomain,
                                             const char *pszPassword,
                                             uint32_t u32SessionId,
                                             const char *pszCookie));

    /*
     * New for version 3.
     */

    /**
     * Audio input open request.
     *
     * @param hServer      Handle of VRDE server instance.
     * @param pvCtx        To be used in VRDECallbackAudioIn.
     * @param u32ClientId  An identifier that allows the server to find the corresponding client.
     * @param audioFormat  Preferred format of audio data.
     * @param u32SamplesPerBlock Preferred number of samples in one block of audio input data.
     *
     * @note Initialized to NULL when the VRDECallbackAudioIn callback is NULL.
     */
    DECLR3CALLBACKMEMBER(void, VRDEAudioInOpen,(HVRDESERVER hServer,
                                                void *pvCtx,
                                                uint32_t u32ClientId,
                                                VRDEAUDIOFORMAT audioFormat,
                                                uint32_t u32SamplesPerBlock));

    /**
     * Audio input close request.
     *
     * @param hServer      Handle of VRDE server instance.
     * @param u32ClientId  An identifier that allows the server to find the corresponding client.
     *
     * @note Initialized to NULL when the VRDECallbackAudioIn callback is NULL.
     */
    DECLR3CALLBACKMEMBER(void, VRDEAudioInClose,(HVRDESERVER hServer,
                                                 uint32_t u32ClientId));
} VRDEENTRYPOINTS_3;


/* Indexes for VRDECallbackProperty.
 * *_QP_* queries a property.
 * *_SP_* sets a property.
 */
#define VRDE_QP_NETWORK_PORT      (1) /* Obsolete. Use VRDE_QP_NETWORK_PORT_RANGE instead. */
#define VRDE_QP_NETWORK_ADDRESS   (2) /* UTF8 string. Host network interface IP address to bind to. */
#define VRDE_QP_NUMBER_MONITORS   (3) /* 32 bit. Number of monitors in the VM. */
#define VRDE_QP_NETWORK_PORT_RANGE (4) /* UTF8 string. List of ports. The server must bind to one of
                                        * free ports from the list. Example: "3000,3010-3012,4000",
                                        * which tells the server to bind to either of ports:
                                        * 3000, 3010, 3011, 3012, 4000.
                                        */
#define VRDE_QP_VIDEO_CHANNEL         (5)
#define VRDE_QP_VIDEO_CHANNEL_QUALITY (6)
#define VRDE_QP_VIDEO_CHANNEL_SUNFLSH (7)
#define VRDE_QP_FEATURE           (8) /* VRDEFEATURE structure. Generic interface to query named VRDE properties. */
#define VRDE_QP_UNIX_SOCKET_PATH  (9) /* Path to a UNIX Socket for incoming connections */

#define VRDE_SP_BASE 0x1000
#define VRDE_SP_NETWORK_BIND_PORT (VRDE_SP_BASE + 1) /* 32 bit. The port number actually used by the server.
                                                      * If VRDECreateServer fails, it should set the port to 0.
                                                      * If VRDECreateServer succeeds, then the port must be set
                                                      * in VRDEEnableConnections to the actually used value.
                                                      * VRDEDestroy must set the port to 0xFFFFFFFF.
                                                      */
#define VRDE_SP_CLIENT_STATUS     (VRDE_SP_BASE + 2) /* UTF8 string. The change of the generic client status:
                                                      * "ATTACH"   - the client is attached;
                                                      * "DETACH"   - the client is detached;
                                                      * "NAME=..." - the client name changes.
                                                      * Can be used for other notifications.
                                                      */

#pragma pack(1)
/* VRDE_QP_FEATURE data. */
typedef struct _VRDEFEATURE
{
    uint32_t u32ClientId;
    char     achInfo[1]; /* UTF8 property input name and output value. */
} VRDEFEATURE;

/* VRDE_SP_CLIENT_STATUS data. */
typedef struct VRDECLIENTSTATUS
{
    uint32_t u32ClientId;
    uint32_t cbStatus;
    char     achStatus[1]; /* UTF8 status string. */
} VRDECLIENTSTATUS;

/* A framebuffer description. */
typedef struct _VRDEFRAMEBUFFERINFO
{
    const uint8_t *pu8Bits;
    int            xOrigin;
    int            yOrigin;
    unsigned       cWidth;
    unsigned       cHeight;
    unsigned       cBitsPerPixel;
    unsigned       cbLine;
} VRDEFRAMEBUFFERINFO;

#define VRDE_INPUT_SCANCODE 0
#define VRDE_INPUT_POINT    1
#define VRDE_INPUT_CAD      2
#define VRDE_INPUT_RESET    3
#define VRDE_INPUT_SYNCH    4

typedef struct _VRDEINPUTSCANCODE
{
    unsigned uScancode;
} VRDEINPUTSCANCODE;

#define VRDE_INPUT_POINT_BUTTON1    0x01
#define VRDE_INPUT_POINT_BUTTON2    0x02
#define VRDE_INPUT_POINT_BUTTON3    0x04
#define VRDE_INPUT_POINT_WHEEL_UP   0x08
#define VRDE_INPUT_POINT_WHEEL_DOWN 0x10

typedef struct _VRDEINPUTPOINT
{
    int x;
    int y;
    unsigned uButtons;
} VRDEINPUTPOINT;

#define VRDE_INPUT_SYNCH_SCROLL   0x01
#define VRDE_INPUT_SYNCH_NUMLOCK  0x02
#define VRDE_INPUT_SYNCH_CAPITAL  0x04

typedef struct _VRDEINPUTSYNCH
{
    unsigned uLockStatus;
} VRDEINPUTSYNCH;
#pragma pack()

/** The VRDE server callbacks. Interface version 1. */
typedef struct _VRDECALLBACKS_1
{
    /** The header. */
    VRDEINTERFACEHDR header;

    /**
     * Query or set various information, on how the VRDE server operates, from or to the application.
     * Queries for properties will always return success, and if the key is not known or has no
     * value associated with it an empty string is returned.
     *
     *
     * @param pvCallback  The callback specific pointer.
     * @param index       VRDE_[Q|S]P_* identifier of information to be returned or set.
     * @param pvBuffer    Address of memory buffer to which the information must be written or read.
     * @param cbBuffer    Size of the memory buffer in bytes.
     * @param pcbOut      Size in bytes of returned information value.
     *
     * @return IPRT status code. VINF_BUFFER_OVERFLOW if the buffer is too small for the value.
     */
    DECLR3CALLBACKMEMBER(int, VRDECallbackProperty,(void *pvCallback,
                                                    uint32_t index,
                                                    void *pvBuffer,
                                                    uint32_t cbBuffer,
                                                    uint32_t *pcbOut));

    /* A client is logging in, the application must decide whether
     * to let to connect the client. The server will drop the connection,
     * when an error code is returned by the callback.
     *
     * @param pvCallback   The callback specific pointer.
     * @param u32ClientId  An unique client identifier generated by the server.
     * @param pszUser      The username.
     * @param pszPassword  The password.
     * @param pszDomain    The domain.
     *
     * @return IPRT status code.
     */
    DECLR3CALLBACKMEMBER(int, VRDECallbackClientLogon,(void *pvCallback,
                                                     uint32_t u32ClientId,
                                                     const char *pszUser,
                                                     const char *pszPassword,
                                                     const char *pszDomain));

    /* The client has been successfully connected. That is logon was successful and the
     * remote desktop protocol connection completely established.
     *
     * @param pvCallback      The callback specific pointer.
     * @param u32ClientId     An unique client identifier generated by the server.
     */
    DECLR3CALLBACKMEMBER(void, VRDECallbackClientConnect,(void *pvCallback,
                                                        uint32_t u32ClientId));

    /* The client has been disconnected.
     *
     * @param pvCallback      The callback specific pointer.
     * @param u32ClientId     An unique client identifier generated by the server.
     * @param fu32Intercepted What was intercepted by the client (VRDE_CLIENT_INTERCEPT_*).
     */
    DECLR3CALLBACKMEMBER(void, VRDECallbackClientDisconnect,(void *pvCallback,
                                                           uint32_t u32ClientId,
                                                           uint32_t fu32Intercepted));
    /* The client supports one of RDP channels.
     *
     * @param pvCallback      The callback specific pointer.
     * @param u32ClientId     An unique client identifier generated by the server.
     * @param fu32Intercept   What the client wants to intercept. One of VRDE_CLIENT_INTERCEPT_* flags.
     * @param ppvIntercept    The value to be passed to the channel specific callback.
     *
     * @return IPRT status code.
     */
    DECLR3CALLBACKMEMBER(int, VRDECallbackIntercept,(void *pvCallback,
                                                   uint32_t u32ClientId,
                                                   uint32_t fu32Intercept,
                                                   void **ppvIntercept));

    /**
     * Called by the server when a reply is received from a client.
     *
     * @param pvCallback   The callback specific pointer.
     * @param ppvIntercept The value returned by VRDECallbackIntercept for the VRDE_CLIENT_INTERCEPT_USB.
     * @param u32ClientId  Identifies the client that sent the reply.
     * @param u8Code       The operation code VRDE_USB_REQ_*.
     * @param pvRet        Points to data received from the client.
     * @param cbRet        Size of the data in bytes.
     *
     * @return IPRT status code.
     */
    DECLR3CALLBACKMEMBER(int, VRDECallbackUSB,(void *pvCallback,
                                             void *pvIntercept,
                                             uint32_t u32ClientId,
                                             uint8_t u8Code,
                                             const void *pvRet,
                                             uint32_t cbRet));

    /**
     * Called by the server when (VRDE_CLIPBOARD_FUNCTION_*):
     *   - (0) client announces available clipboard formats;
     *   - (1) client requests clipboard data.
     *
     * @param pvCallback   The callback specific pointer.
     * @param ppvIntercept The value returned by VRDECallbackIntercept for the VRDE_CLIENT_INTERCEPT_CLIPBOARD.
     * @param u32ClientId Identifies the RDP client that sent the reply.
     * @param u32Function The cause of the callback.
     * @param u32Format   Bitmask of reported formats or the format of received data.
     * @param pvData      Reserved.
     * @param cbData      Reserved.
     *
     * @return IPRT status code.
     */
    DECLR3CALLBACKMEMBER(int, VRDECallbackClipboard,(void *pvCallback,
                                                   void *pvIntercept,
                                                   uint32_t u32ClientId,
                                                   uint32_t u32Function,
                                                   uint32_t u32Format,
                                                   const void *pvData,
                                                   uint32_t cbData));

    /* The framebuffer information is queried.
     *
     * @param pvCallback      The callback specific pointer.
     * @param uScreenId       The framebuffer index.
     * @param pInfo           The information structure to ber filled.
     *
     * @return Whether the framebuffer is available.
     */
    DECLR3CALLBACKMEMBER(bool, VRDECallbackFramebufferQuery,(void *pvCallback,
                                                           unsigned uScreenId,
                                                           VRDEFRAMEBUFFERINFO *pInfo));

    /* Request the exclusive access to the framebuffer bitmap.
     * Currently not used because VirtualBox makes sure that the framebuffer is available
     * when VRDEUpdate is called.
     *
     * @param pvCallback      The callback specific pointer.
     * @param uScreenId       The framebuffer index.
     */
    DECLR3CALLBACKMEMBER(void, VRDECallbackFramebufferLock,(void *pvCallback,
                                                          unsigned uScreenId));

    /* Release the exclusive access to the framebuffer bitmap.
     * Currently not used because VirtualBox makes sure that the framebuffer is available
     * when VRDEUpdate is called.
     *
     * @param pvCallback      The callback specific pointer.
     * @param uScreenId       The framebuffer index.
     */
    DECLR3CALLBACKMEMBER(void, VRDECallbackFramebufferUnlock,(void *pvCallback,
                                                            unsigned uScreenId));

    /* Input from the client.
     *
     * @param pvCallback      The callback specific pointer.
     * @param pvInput         The input information.
     * @param cbInput         The size of the input information.
     */
    DECLR3CALLBACKMEMBER(void, VRDECallbackInput,(void *pvCallback,
                                                int type,
                                                const void *pvInput,
                                                unsigned cbInput));

    /* Video mode hint from the client.
     *
     * @param pvCallback      The callback specific pointer.
     * @param cWidth          Requested width.
     * @param cHeight         Requested height.
     * @param cBitsPerPixel   Requested color depth.
     * @param uScreenId       The framebuffer index.
     */
    DECLR3CALLBACKMEMBER(void, VRDECallbackVideoModeHint,(void *pvCallback,
                                                        unsigned cWidth,
                                                        unsigned cHeight,
                                                        unsigned cBitsPerPixel,
                                                        unsigned uScreenId));

} VRDECALLBACKS_1;

/* Callbacks are the same for the version 1 and version 2 interfaces. */
typedef VRDECALLBACKS_1 VRDECALLBACKS_2;

/** The VRDE server callbacks. Interface version 3. */
typedef struct _VRDECALLBACKS_3
{
    /* The header. */
    VRDEINTERFACEHDR header;

    /*
     * Same as in version 1 and 2. See comment in VRDECALLBACKS_1.
     */
    DECLR3CALLBACKMEMBER(int, VRDECallbackProperty,(void *pvCallback,
                                                    uint32_t index,
                                                    void *pvBuffer,
                                                    uint32_t cbBuffer,
                                                    uint32_t *pcbOut));

    DECLR3CALLBACKMEMBER(int, VRDECallbackClientLogon,(void *pvCallback,
                                                     uint32_t u32ClientId,
                                                     const char *pszUser,
                                                     const char *pszPassword,
                                                     const char *pszDomain));

    DECLR3CALLBACKMEMBER(void, VRDECallbackClientConnect,(void *pvCallback,
                                                        uint32_t u32ClientId));

    DECLR3CALLBACKMEMBER(void, VRDECallbackClientDisconnect,(void *pvCallback,
                                                           uint32_t u32ClientId,
                                                           uint32_t fu32Intercepted));
    DECLR3CALLBACKMEMBER(int, VRDECallbackIntercept,(void *pvCallback,
                                                   uint32_t u32ClientId,
                                                   uint32_t fu32Intercept,
                                                   void **ppvIntercept));

    DECLR3CALLBACKMEMBER(int, VRDECallbackUSB,(void *pvCallback,
                                             void *pvIntercept,
                                             uint32_t u32ClientId,
                                             uint8_t u8Code,
                                             const void *pvRet,
                                             uint32_t cbRet));

    DECLR3CALLBACKMEMBER(int, VRDECallbackClipboard,(void *pvCallback,
                                                   void *pvIntercept,
                                                   uint32_t u32ClientId,
                                                   uint32_t u32Function,
                                                   uint32_t u32Format,
                                                   const void *pvData,
                                                   uint32_t cbData));

    DECLR3CALLBACKMEMBER(bool, VRDECallbackFramebufferQuery,(void *pvCallback,
                                                           unsigned uScreenId,
                                                           VRDEFRAMEBUFFERINFO *pInfo));

    DECLR3CALLBACKMEMBER(void, VRDECallbackFramebufferLock,(void *pvCallback,
                                                          unsigned uScreenId));

    DECLR3CALLBACKMEMBER(void, VRDECallbackFramebufferUnlock,(void *pvCallback,
                                                            unsigned uScreenId));

    DECLR3CALLBACKMEMBER(void, VRDECallbackInput,(void *pvCallback,
                                                int type,
                                                const void *pvInput,
                                                unsigned cbInput));

    DECLR3CALLBACKMEMBER(void, VRDECallbackVideoModeHint,(void *pvCallback,
                                                        unsigned cWidth,
                                                        unsigned cHeight,
                                                        unsigned cBitsPerPixel,
                                                        unsigned uScreenId));

    /*
     * New for version 3.
     */

    /**
     * Called by the server when something happens with audio input.
     *
     * @param pvCallback   The callback specific pointer.
     * @param pvCtx        The value passed in VRDEAudioInOpen.
     * @param u32ClientId  Identifies the client that sent the reply.
     * @param u32Event     The event code VRDE_AUDIOIN_*.
     * @param pvData       Points to data received from the client.
     * @param cbData       Size of the data in bytes.
     */
    DECLR3CALLBACKMEMBER(void, VRDECallbackAudioIn,(void *pvCallback,
                                                    void *pvCtx,
                                                    uint32_t u32ClientId,
                                                    uint32_t u32Event,
                                                    const void *pvData,
                                                    uint32_t cbData));
} VRDECALLBACKS_3;

/** The VRDE server entry points. Interface version 4.
 *  New entry point VRDEGetInterface has been added relative to version 3.
 */
typedef struct _VRDEENTRYPOINTS_4
{
    /* The header. */
    VRDEINTERFACEHDR header;

    /*
     * Same as version 3. See comment in VRDEENTRYPOINTS_3.
     */

    DECLR3CALLBACKMEMBER(void, VRDEDestroy,(HVRDESERVER hServer));
    DECLR3CALLBACKMEMBER(int,  VRDEEnableConnections,(HVRDESERVER hServer, bool fEnable));
    DECLR3CALLBACKMEMBER(void, VRDEDisconnect,(HVRDESERVER hServer, uint32_t u32ClientId, bool fReconnect));
    DECLR3CALLBACKMEMBER(void, VRDEResize,(HVRDESERVER hServer));
    DECLR3CALLBACKMEMBER(void, VRDEUpdate,(HVRDESERVER hServer, unsigned uScreenId, void *pvUpdate,
                                           uint32_t cbUpdate));
    DECLR3CALLBACKMEMBER(void, VRDEColorPointer,(HVRDESERVER hServer, const VRDECOLORPOINTER *pPointer));
    DECLR3CALLBACKMEMBER(void, VRDEHidePointer,(HVRDESERVER hServer));
    DECLR3CALLBACKMEMBER(void, VRDEAudioSamples,(HVRDESERVER hServer, const void *pvSamples, uint32_t cSamples,
                                                 VRDEAUDIOFORMAT format));
    DECLR3CALLBACKMEMBER(void, VRDEAudioVolume,(HVRDESERVER hServer, uint16_t u16Left, uint16_t u16Right));
    DECLR3CALLBACKMEMBER(void, VRDEUSBRequest,(HVRDESERVER hServer, uint32_t u32ClientId, void *pvParm,
                                               uint32_t cbParm));
    DECLR3CALLBACKMEMBER(void, VRDEClipboard,(HVRDESERVER hServer, uint32_t u32Function, uint32_t u32Format,
                                              void *pvData, uint32_t cbData, uint32_t *pcbActualRead));
    DECLR3CALLBACKMEMBER(void, VRDEQueryInfo,(HVRDESERVER hServer, uint32_t index, void *pvBuffer, uint32_t cbBuffer,
                                              uint32_t *pcbOut));
    DECLR3CALLBACKMEMBER(void, VRDERedirect,(HVRDESERVER hServer, uint32_t u32ClientId, const char *pszServer,
                                             const char *pszUser, const char *pszDomain, const char *pszPassword,
                                             uint32_t u32SessionId, const char *pszCookie));
    DECLR3CALLBACKMEMBER(void, VRDEAudioInOpen,(HVRDESERVER hServer, void *pvCtx, uint32_t u32ClientId,
                                                VRDEAUDIOFORMAT audioFormat, uint32_t u32SamplesPerBlock));
    DECLR3CALLBACKMEMBER(void, VRDEAudioInClose,(HVRDESERVER hServer, uint32_t u32ClientId));

    /**
     * Generic interface query. An interface is a set of entry points and callbacks.
     * It is not a reference counted interface.
     *
     * @param hServer    Handle of VRDE server instance.
     * @param pszId      String identifier of the interface, like uuid.
     * @param pInterface The interface structure to be initialized by the VRDE server.
     *                   Only VRDEINTERFACEHDR is initialized by the caller.
     * @param pCallbacks Callbacks required by the interface. The server makes a local copy.
     *                   VRDEINTERFACEHDR version must correspond to the requested interface version.
     * @param pvContext  The context to be used in callbacks.
     */

    DECLR3CALLBACKMEMBER(int, VRDEGetInterface, (HVRDESERVER hServer,
                                                 const char *pszId,
                                                 VRDEINTERFACEHDR *pInterface,
                                                 const VRDEINTERFACEHDR *pCallbacks,
                                                 void *pvContext));
} VRDEENTRYPOINTS_4;

/* Callbacks are the same for the version 3 and version 4 interfaces. */
typedef VRDECALLBACKS_3 VRDECALLBACKS_4;

/**
 * Create a new VRDE server instance. The instance is fully functional but refuses
 * client connections until the entry point VRDEEnableConnections is called by the application.
 *
 * The caller prepares the VRDECALLBACKS_* structure. The header.u64Version field of the
 * structure must be initialized with the version of the interface to use.
 * The server will return pointer to VRDEENTRYPOINTS_* table in *ppEntryPoints
 * to match the requested interface.
 * That is if pCallbacks->header.u64Version == VRDE_INTERFACE_VERSION_1, then the server
 * expects pCallbacks to point to VRDECALLBACKS_1 and will return a pointer to VRDEENTRYPOINTS_1.
 *
 * @param pCallback     Pointer to the application callbacks which let the server to fetch
 *                      the configuration data and to access the desktop.
 * @param pvCallback    The callback specific pointer to be passed back to the application.
 * @param ppEntryPoints Where to store the pointer to the VRDE entry points structure.
 * @param phServer      Pointer to the created server instance handle.
 *
 * @return IPRT status code.
 */
DECLEXPORT(int) VRDECreateServer (const VRDEINTERFACEHDR *pCallbacks,
                                  void *pvCallback,
                                  VRDEINTERFACEHDR **ppEntryPoints,
                                  HVRDESERVER *phServer);

typedef DECLCALLBACKTYPE(int, FNVRDECREATESERVER,(const VRDEINTERFACEHDR *pCallbacks,
                                                  void *pvCallback,
                                                  VRDEINTERFACEHDR **ppEntryPoints,
                                                  HVRDESERVER *phServer));
typedef FNVRDECREATESERVER *PFNVRDECREATESERVER;

/**
 * List of names of the VRDE properties, which are recognized by the VRDE.
 *
 * For example VRDESupportedProperties should return gapszProperties declared as:
 *
 * static const char * const gapszProperties[] =
 * {
 *   "TCP/Ports",
 *   "TCP/Address",
 *   NULL
 * };
 *
 * @returns pointer to array of pointers to name strings (UTF8).
 */
DECLEXPORT(const char * const *) VRDESupportedProperties (void);

typedef DECLCALLBACKTYPE(const char * const *, FNVRDESUPPORTEDPROPERTIES,(void));
typedef FNVRDESUPPORTEDPROPERTIES *PFNVRDESUPPORTEDPROPERTIES;

RT_C_DECLS_END

/** @} */

#endif /* !VBOX_INCLUDED_RemoteDesktop_VRDE_h */