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
|
/**************************************************************************/
/* */
/* Copyright (c) 2001, 2009 NoMachine, http://www.nomachine.com/. */
/* */
/* NXCOMP, NX protocol compression and NX extensions to this software */
/* are copyright of NoMachine. Redistribution and use of the present */
/* software is allowed according to terms specified in the file LICENSE */
/* which comes in the source distribution. */
/* */
/* Check http://www.nomachine.com/licensing.html for applicability. */
/* */
/* NX and NoMachine are trademarks of Medialogic S.p.A. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
//
// Include the template for
// this message class.
//
#include "RenderTriangles.h"
//
// Set the verbosity level.
//
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#include MESSAGE_TAGS
//
// Message handling methods.
//
MESSAGE_BEGIN_ENCODE_SIZE
{
ClientCache *clientCache = (ClientCache *) channelCache;
#ifdef DEBUG
*logofs << name() << ": Encoding value "
<< ((size - MESSAGE_OFFSET) >> 2) << ".\n"
<< logofs_flush;
#endif
encodeBuffer.encodeCachedValue((size - MESSAGE_OFFSET) >> 2, 16,
clientCache -> renderLengthCache, 5);
#ifdef TEST
*logofs << name() << ": Encoded size with value "
<< size << ".\n" << logofs_flush;
#endif
}
MESSAGE_END_ENCODE_SIZE
MESSAGE_BEGIN_DECODE_SIZE
{
ClientCache *clientCache = (ClientCache *) channelCache;
decodeBuffer.decodeCachedValue(size, 16,
clientCache -> renderLengthCache, 5);
#ifdef DEBUG
*logofs << name() << ": Decoded value " << size
<< ".\n" << logofs_flush;
#endif
size = MESSAGE_OFFSET + (size << 2);
buffer = writeBuffer -> addMessage(size);
#ifdef TEST
*logofs << name() << ": Decoded size with value "
<< size << ".\n" << logofs_flush;
#endif
}
MESSAGE_END_DECODE_SIZE
MESSAGE_BEGIN_ENCODE_MESSAGE
{
ClientCache *clientCache = (ClientCache *) channelCache;
encodeBuffer.encodeCachedValue(*(buffer + 4), 8,
clientCache -> renderOpCache);
encodeBuffer.encodeXidValue(GetULONG(buffer + 8, bigEndian),
clientCache -> renderSrcPictureCache);
encodeBuffer.encodeXidValue(GetULONG(buffer + 12, bigEndian),
clientCache -> renderDstPictureCache);
encodeBuffer.encodeCachedValue(GetULONG(buffer + 16, bigEndian), 32,
clientCache -> renderFormatCache);
encodeBuffer.encodeDiffCachedValue(GetUINT(buffer + 20, bigEndian),
clientCache -> renderLastX, 16,
clientCache -> renderXCache, 11);
encodeBuffer.encodeDiffCachedValue(GetUINT(buffer + 22, bigEndian),
clientCache -> renderLastY, 16,
clientCache -> renderYCache, 11);
#ifdef TEST
*logofs << name() << ": Encoded message. Type is "
<< (unsigned int) *(buffer + 1) << " size is "
<< size << ".\n" << logofs_flush;
#endif
}
MESSAGE_END_ENCODE_MESSAGE
MESSAGE_BEGIN_DECODE_MESSAGE
{
ClientCache *clientCache = (ClientCache *) channelCache;
unsigned int value;
*(buffer + 1) = type;
decodeBuffer.decodeCachedValue(*(buffer + 4), 8,
clientCache -> renderOpCache);
decodeBuffer.decodeXidValue(value,
clientCache -> renderSrcPictureCache);
PutULONG(value, buffer + 8, bigEndian);
decodeBuffer.decodeXidValue(value,
clientCache -> renderDstPictureCache);
PutULONG(value, buffer + 12, bigEndian);
decodeBuffer.decodeCachedValue(value, 32,
clientCache -> renderFormatCache);
PutULONG(value, buffer + 16, bigEndian);
decodeBuffer.decodeDiffCachedValue(value,
clientCache -> renderLastX, 16,
clientCache -> renderXCache, 11);
PutUINT(clientCache -> renderLastX, buffer + 20, bigEndian);
decodeBuffer.decodeDiffCachedValue(value,
clientCache -> renderLastY, 16,
clientCache -> renderYCache, 11);
PutUINT(clientCache -> renderLastY, buffer + 22, bigEndian);
#ifdef TEST
*logofs << name() << ": Decoded message. Type is "
<< (unsigned int) type << " size is " << size
<< ".\n" << logofs_flush;
#endif
}
MESSAGE_END_DECODE_MESSAGE
MESSAGE_BEGIN_ENCODE_DATA
{
if (size > MESSAGE_OFFSET)
{
encodeLongData(encodeBuffer, buffer, MESSAGE_OFFSET,
size, bigEndian, channelCache);
}
#ifdef TEST
*logofs << name() << ": Encoded " << size - MESSAGE_OFFSET
<< " bytes of text data.\n" << logofs_flush;
#endif
}
MESSAGE_END_ENCODE_DATA
MESSAGE_BEGIN_DECODE_DATA
{
if (size > MESSAGE_OFFSET)
{
decodeLongData(decodeBuffer, buffer, MESSAGE_OFFSET,
size, bigEndian, channelCache);
}
#ifdef TEST
*logofs << name() << ": Decoded " << size - MESSAGE_OFFSET
<< " bytes of data.\n" << logofs_flush;
#endif
}
MESSAGE_END_DECODE_DATA
MESSAGE_BEGIN_PARSE_IDENTITY
{
RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message;
renderExtension -> data.triangles.type = *(buffer + 1);
renderExtension -> data.triangles.op = *(buffer + 4);
renderExtension -> data.triangles.src_id = GetULONG(buffer + 8, bigEndian);
renderExtension -> data.triangles.dst_id = GetULONG(buffer + 12, bigEndian);
renderExtension -> data.triangles.format = GetULONG(buffer + 16, bigEndian);
renderExtension -> data.triangles.src_x = GetUINT(buffer + 20, bigEndian);
renderExtension -> data.triangles.src_y = GetUINT(buffer + 22, bigEndian);
#ifdef TEST
*logofs << name() << ": Parsed identity. Type is "
<< (unsigned int) renderExtension -> data.triangles.type
<< " size is " << renderExtension -> size_ << " identity size "
<< renderExtension -> i_size_ << ".\n" << logofs_flush;
#endif
}
MESSAGE_END_PARSE_IDENTITY
MESSAGE_BEGIN_UNPARSE_IDENTITY
{
RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message;
*(buffer + 1) = renderExtension -> data.triangles.type;
*(buffer + 4) = renderExtension -> data.triangles.op;
PutULONG(renderExtension -> data.triangles.src_id, buffer + 8, bigEndian);
PutULONG(renderExtension -> data.triangles.dst_id, buffer + 12, bigEndian);
PutULONG(renderExtension -> data.triangles.format, buffer + 16, bigEndian);
PutUINT(renderExtension -> data.triangles.src_x, buffer + 20, bigEndian);
PutUINT(renderExtension -> data.triangles.src_y, buffer + 22, bigEndian);
#ifdef TEST
*logofs << name() << ": Unparsed identity. Type is "
<< (unsigned int) renderExtension -> data.triangles.type
<< " size is " << renderExtension -> size_ << " identity size "
<< renderExtension -> i_size_ << ".\n" << logofs_flush;
#endif
}
MESSAGE_END_UNPARSE_IDENTITY
MESSAGE_BEGIN_IDENTITY_CHECKSUM
{
//
// Include minor opcode, size and the
// operator in the identity.
//
md5_append(md5_state, buffer + 1, 4);
//
// Also include the format but not the
// x and y source.
//
md5_append(md5_state, buffer + 16, 4);
}
MESSAGE_END_IDENTITY_CHECKSUM
MESSAGE_BEGIN_ENCODE_UPDATE
{
RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message;
RenderExtensionMessage *cachedRenderExtension = (RenderExtensionMessage *) cachedMessage;
ClientCache *clientCache = (ClientCache *) channelCache;
encodeBuffer.encodeXidValue(renderExtension -> data.triangles.src_id,
clientCache -> renderSrcPictureCache);
cachedRenderExtension -> data.triangles.src_id =
renderExtension -> data.triangles.src_id;
encodeBuffer.encodeXidValue(renderExtension -> data.triangles.dst_id,
clientCache -> renderDstPictureCache);
cachedRenderExtension -> data.triangles.dst_id =
renderExtension -> data.triangles.dst_id;
//
// The source x and y coordinates are
// encoded as differerences in respect
// to the previous cached value.
//
unsigned int value;
unsigned int previous;
value = renderExtension -> data.triangles.src_x;
previous = cachedRenderExtension -> data.triangles.src_x;
encodeBuffer.encodeDiffCachedValue(value, previous, 16,
clientCache -> renderXCache, 11);
cachedRenderExtension -> data.triangles.src_x = value;
value = renderExtension -> data.triangles.src_y;
previous = cachedRenderExtension -> data.triangles.src_y;
encodeBuffer.encodeDiffCachedValue(value, previous, 16,
clientCache -> renderYCache, 11);
cachedRenderExtension -> data.triangles.src_y = value;
#ifdef TEST
*logofs << name() << ": Encoded update. Type is "
<< (unsigned int) renderExtension -> data.triangles.type
<< " size is " << renderExtension -> size_ << " source x "
<< renderExtension -> data.triangles.src_x << " y "
<< renderExtension -> data.triangles.src_y << ".\n"
<< logofs_flush;
#endif
}
MESSAGE_END_ENCODE_UPDATE
MESSAGE_BEGIN_DECODE_UPDATE
{
RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message;
ClientCache *clientCache = (ClientCache *) channelCache;
decodeBuffer.decodeXidValue(renderExtension -> data.triangles.src_id,
clientCache -> renderSrcPictureCache);
decodeBuffer.decodeXidValue(renderExtension -> data.triangles.dst_id,
clientCache -> renderDstPictureCache);
unsigned int value;
unsigned int previous;
previous = renderExtension -> data.triangles.src_x;
decodeBuffer.decodeDiffCachedValue(value, previous, 16,
clientCache -> renderXCache, 11);
renderExtension -> data.triangles.src_x = value;
previous = renderExtension -> data.triangles.src_y;
decodeBuffer.decodeDiffCachedValue(value, previous, 16,
clientCache -> renderYCache, 11);
renderExtension -> data.triangles.src_y = value;
#ifdef TEST
*logofs << name() << ": Decoded update. Type is "
<< (unsigned int) renderExtension -> data.triangles.type
<< " size is " << renderExtension -> size_ << " source x "
<< renderExtension -> data.triangles.src_x << " y "
<< renderExtension -> data.triangles.src_y << ".\n"
<< logofs_flush;
#endif
}
MESSAGE_END_DECODE_UPDATE
|