root / ui / vnc.h @ 175b2a6e
History | View | Annotate | Download (16.8 kB)
1 |
/*
|
---|---|
2 |
* QEMU VNC display driver
|
3 |
*
|
4 |
* Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws>
|
5 |
* Copyright (C) 2006 Fabrice Bellard
|
6 |
* Copyright (C) 2009 Red Hat, Inc
|
7 |
*
|
8 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
9 |
* of this software and associated documentation files (the "Software"), to deal
|
10 |
* in the Software without restriction, including without limitation the rights
|
11 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
12 |
* copies of the Software, and to permit persons to whom the Software is
|
13 |
* furnished to do so, subject to the following conditions:
|
14 |
*
|
15 |
* The above copyright notice and this permission notice shall be included in
|
16 |
* all copies or substantial portions of the Software.
|
17 |
*
|
18 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
19 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
20 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
21 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
22 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
23 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
24 |
* THE SOFTWARE.
|
25 |
*/
|
26 |
|
27 |
#ifndef __QEMU_VNC_H
|
28 |
#define __QEMU_VNC_H
|
29 |
|
30 |
#include "qemu-common.h" |
31 |
#include "qemu-queue.h" |
32 |
#ifdef CONFIG_VNC_THREAD
|
33 |
#include "qemu-thread.h" |
34 |
#endif
|
35 |
#include "console.h" |
36 |
#include "monitor.h" |
37 |
#include "audio/audio.h" |
38 |
#include "bitmap.h" |
39 |
#include <zlib.h> |
40 |
#include <stdbool.h> |
41 |
|
42 |
#include "keymaps.h" |
43 |
#include "vnc-palette.h" |
44 |
#include "vnc-enc-zrle.h" |
45 |
|
46 |
// #define _VNC_DEBUG 1
|
47 |
|
48 |
#ifdef _VNC_DEBUG
|
49 |
#define VNC_DEBUG(fmt, ...) do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) |
50 |
#else
|
51 |
#define VNC_DEBUG(fmt, ...) do { } while (0) |
52 |
#endif
|
53 |
|
54 |
/*****************************************************************************
|
55 |
*
|
56 |
* Core data structures
|
57 |
*
|
58 |
*****************************************************************************/
|
59 |
|
60 |
typedef struct Buffer |
61 |
{ |
62 |
size_t capacity; |
63 |
size_t offset; |
64 |
uint8_t *buffer; |
65 |
} Buffer; |
66 |
|
67 |
typedef struct VncState VncState; |
68 |
typedef struct VncJob VncJob; |
69 |
typedef struct VncRect VncRect; |
70 |
typedef struct VncRectEntry VncRectEntry; |
71 |
|
72 |
typedef int VncReadEvent(VncState *vs, uint8_t *data, size_t len); |
73 |
|
74 |
typedef void VncWritePixels(VncState *vs, struct PixelFormat *pf, void *data, int size); |
75 |
|
76 |
typedef void VncSendHextileTile(VncState *vs, |
77 |
int x, int y, int w, int h, |
78 |
void *last_bg,
|
79 |
void *last_fg,
|
80 |
int *has_bg, int *has_fg); |
81 |
|
82 |
/* VNC_MAX_WIDTH must be a multiple of 16. */
|
83 |
#define VNC_MAX_WIDTH 2560 |
84 |
#define VNC_MAX_HEIGHT 2048 |
85 |
|
86 |
/* VNC_DIRTY_BITS is the number of bits in the dirty bitmap. */
|
87 |
#define VNC_DIRTY_BITS (VNC_MAX_WIDTH / 16) |
88 |
|
89 |
#define VNC_STAT_RECT 64 |
90 |
#define VNC_STAT_COLS (VNC_MAX_WIDTH / VNC_STAT_RECT)
|
91 |
#define VNC_STAT_ROWS (VNC_MAX_HEIGHT / VNC_STAT_RECT)
|
92 |
|
93 |
#define VNC_AUTH_CHALLENGE_SIZE 16 |
94 |
|
95 |
typedef struct VncDisplay VncDisplay; |
96 |
|
97 |
#ifdef CONFIG_VNC_TLS
|
98 |
#include "vnc-tls.h" |
99 |
#include "vnc-auth-vencrypt.h" |
100 |
#endif
|
101 |
#ifdef CONFIG_VNC_SASL
|
102 |
#include "vnc-auth-sasl.h" |
103 |
#endif
|
104 |
|
105 |
struct VncRectStat
|
106 |
{ |
107 |
/* time of last 10 updates, to find update frequency */
|
108 |
struct timeval times[10]; |
109 |
int idx;
|
110 |
|
111 |
double freq; /* Update frequency (in Hz) */ |
112 |
bool updated; /* Already updated during this refresh */ |
113 |
}; |
114 |
|
115 |
typedef struct VncRectStat VncRectStat; |
116 |
|
117 |
struct VncSurface
|
118 |
{ |
119 |
struct timeval last_freq_check;
|
120 |
DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], VNC_MAX_WIDTH / 16);
|
121 |
VncRectStat stats[VNC_STAT_ROWS][VNC_STAT_COLS]; |
122 |
DisplaySurface *ds; |
123 |
}; |
124 |
|
125 |
typedef enum VncShareMode { |
126 |
VNC_SHARE_MODE_CONNECTING = 1,
|
127 |
VNC_SHARE_MODE_SHARED, |
128 |
VNC_SHARE_MODE_EXCLUSIVE, |
129 |
VNC_SHARE_MODE_DISCONNECTED, |
130 |
} VncShareMode; |
131 |
|
132 |
typedef enum VncSharePolicy { |
133 |
VNC_SHARE_POLICY_IGNORE = 1,
|
134 |
VNC_SHARE_POLICY_ALLOW_EXCLUSIVE, |
135 |
VNC_SHARE_POLICY_FORCE_SHARED, |
136 |
} VncSharePolicy; |
137 |
|
138 |
struct VncDisplay
|
139 |
{ |
140 |
QTAILQ_HEAD(, VncState) clients; |
141 |
int num_exclusive;
|
142 |
VncSharePolicy share_policy; |
143 |
QEMUTimer *timer; |
144 |
int timer_interval;
|
145 |
int lsock;
|
146 |
DisplayState *ds; |
147 |
kbd_layout_t *kbd_layout; |
148 |
int lock_key_sync;
|
149 |
#ifdef CONFIG_VNC_THREAD
|
150 |
QemuMutex mutex; |
151 |
#endif
|
152 |
|
153 |
QEMUCursor *cursor; |
154 |
int cursor_msize;
|
155 |
uint8_t *cursor_mask; |
156 |
|
157 |
struct VncSurface guest; /* guest visible surface (aka ds->surface) */ |
158 |
DisplaySurface *server; /* vnc server surface */
|
159 |
|
160 |
char *display;
|
161 |
char *password;
|
162 |
time_t expires; |
163 |
int auth;
|
164 |
bool lossy;
|
165 |
bool non_adaptive;
|
166 |
#ifdef CONFIG_VNC_TLS
|
167 |
int subauth; /* Used by VeNCrypt */ |
168 |
VncDisplayTLS tls; |
169 |
#endif
|
170 |
#ifdef CONFIG_VNC_SASL
|
171 |
VncDisplaySASL sasl; |
172 |
#endif
|
173 |
}; |
174 |
|
175 |
typedef struct VncTight { |
176 |
int type;
|
177 |
uint8_t quality; |
178 |
uint8_t compression; |
179 |
uint8_t pixel24; |
180 |
Buffer tight; |
181 |
Buffer tmp; |
182 |
Buffer zlib; |
183 |
Buffer gradient; |
184 |
#ifdef CONFIG_VNC_JPEG
|
185 |
Buffer jpeg; |
186 |
#endif
|
187 |
#ifdef CONFIG_VNC_PNG
|
188 |
Buffer png; |
189 |
#endif
|
190 |
int levels[4]; |
191 |
z_stream stream[4];
|
192 |
} VncTight; |
193 |
|
194 |
typedef struct VncHextile { |
195 |
VncSendHextileTile *send_tile; |
196 |
} VncHextile; |
197 |
|
198 |
typedef struct VncZlib { |
199 |
Buffer zlib; |
200 |
Buffer tmp; |
201 |
z_stream stream; |
202 |
int level;
|
203 |
} VncZlib; |
204 |
|
205 |
typedef struct VncZrle { |
206 |
int type;
|
207 |
Buffer fb; |
208 |
Buffer zrle; |
209 |
Buffer tmp; |
210 |
Buffer zlib; |
211 |
z_stream stream; |
212 |
VncPalette palette; |
213 |
} VncZrle; |
214 |
|
215 |
typedef struct VncZywrle { |
216 |
int buf[VNC_ZRLE_TILE_WIDTH * VNC_ZRLE_TILE_HEIGHT];
|
217 |
} VncZywrle; |
218 |
|
219 |
#ifdef CONFIG_VNC_THREAD
|
220 |
struct VncRect
|
221 |
{ |
222 |
int x;
|
223 |
int y;
|
224 |
int w;
|
225 |
int h;
|
226 |
}; |
227 |
|
228 |
struct VncRectEntry
|
229 |
{ |
230 |
struct VncRect rect;
|
231 |
QLIST_ENTRY(VncRectEntry) next; |
232 |
}; |
233 |
|
234 |
struct VncJob
|
235 |
{ |
236 |
VncState *vs; |
237 |
|
238 |
QLIST_HEAD(, VncRectEntry) rectangles; |
239 |
QTAILQ_ENTRY(VncJob) next; |
240 |
}; |
241 |
#else
|
242 |
struct VncJob
|
243 |
{ |
244 |
VncState *vs; |
245 |
int rectangles;
|
246 |
size_t saved_offset; |
247 |
}; |
248 |
#endif
|
249 |
|
250 |
struct VncState
|
251 |
{ |
252 |
int csock;
|
253 |
|
254 |
DisplayState *ds; |
255 |
DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], VNC_DIRTY_BITS); |
256 |
uint8_t **lossy_rect; /* Not an Array to avoid costly memcpy in
|
257 |
* vnc-jobs-async.c */
|
258 |
|
259 |
VncDisplay *vd; |
260 |
int need_update;
|
261 |
int force_update;
|
262 |
uint32_t features; |
263 |
int absolute;
|
264 |
int last_x;
|
265 |
int last_y;
|
266 |
int client_width;
|
267 |
int client_height;
|
268 |
VncShareMode share_mode; |
269 |
|
270 |
uint32_t vnc_encoding; |
271 |
|
272 |
int major;
|
273 |
int minor;
|
274 |
|
275 |
int auth;
|
276 |
char challenge[VNC_AUTH_CHALLENGE_SIZE];
|
277 |
#ifdef CONFIG_VNC_TLS
|
278 |
int subauth; /* Used by VeNCrypt */ |
279 |
VncStateTLS tls; |
280 |
#endif
|
281 |
#ifdef CONFIG_VNC_SASL
|
282 |
VncStateSASL sasl; |
283 |
#endif
|
284 |
|
285 |
QObject *info; |
286 |
|
287 |
Buffer output; |
288 |
Buffer input; |
289 |
/* current output mode information */
|
290 |
VncWritePixels *write_pixels; |
291 |
DisplaySurface clientds; |
292 |
|
293 |
CaptureVoiceOut *audio_cap; |
294 |
struct audsettings as;
|
295 |
|
296 |
VncReadEvent *read_handler; |
297 |
size_t read_handler_expect; |
298 |
/* input */
|
299 |
uint8_t modifiers_state[256];
|
300 |
QEMUPutLEDEntry *led; |
301 |
|
302 |
bool abort;
|
303 |
#ifndef CONFIG_VNC_THREAD
|
304 |
VncJob job; |
305 |
#else
|
306 |
QemuMutex output_mutex; |
307 |
QEMUBH *bh; |
308 |
Buffer jobs_buffer; |
309 |
#endif
|
310 |
|
311 |
/* Encoding specific, if you add something here, don't forget to
|
312 |
* update vnc_async_encoding_start()
|
313 |
*/
|
314 |
VncTight tight; |
315 |
VncZlib zlib; |
316 |
VncHextile hextile; |
317 |
VncZrle zrle; |
318 |
VncZywrle zywrle; |
319 |
|
320 |
Notifier mouse_mode_notifier; |
321 |
|
322 |
QTAILQ_ENTRY(VncState) next; |
323 |
}; |
324 |
|
325 |
|
326 |
/*****************************************************************************
|
327 |
*
|
328 |
* Authentication modes
|
329 |
*
|
330 |
*****************************************************************************/
|
331 |
|
332 |
enum {
|
333 |
VNC_AUTH_INVALID = 0,
|
334 |
VNC_AUTH_NONE = 1,
|
335 |
VNC_AUTH_VNC = 2,
|
336 |
VNC_AUTH_RA2 = 5,
|
337 |
VNC_AUTH_RA2NE = 6,
|
338 |
VNC_AUTH_TIGHT = 16,
|
339 |
VNC_AUTH_ULTRA = 17,
|
340 |
VNC_AUTH_TLS = 18, /* Supported in GTK-VNC & VINO */ |
341 |
VNC_AUTH_VENCRYPT = 19, /* Supported in GTK-VNC & VeNCrypt */ |
342 |
VNC_AUTH_SASL = 20, /* Supported in GTK-VNC & VINO */ |
343 |
}; |
344 |
|
345 |
enum {
|
346 |
VNC_AUTH_VENCRYPT_PLAIN = 256,
|
347 |
VNC_AUTH_VENCRYPT_TLSNONE = 257,
|
348 |
VNC_AUTH_VENCRYPT_TLSVNC = 258,
|
349 |
VNC_AUTH_VENCRYPT_TLSPLAIN = 259,
|
350 |
VNC_AUTH_VENCRYPT_X509NONE = 260,
|
351 |
VNC_AUTH_VENCRYPT_X509VNC = 261,
|
352 |
VNC_AUTH_VENCRYPT_X509PLAIN = 262,
|
353 |
VNC_AUTH_VENCRYPT_X509SASL = 263,
|
354 |
VNC_AUTH_VENCRYPT_TLSSASL = 264,
|
355 |
}; |
356 |
|
357 |
|
358 |
/*****************************************************************************
|
359 |
*
|
360 |
* Encoding types
|
361 |
*
|
362 |
*****************************************************************************/
|
363 |
|
364 |
#define VNC_ENCODING_RAW 0x00000000 |
365 |
#define VNC_ENCODING_COPYRECT 0x00000001 |
366 |
#define VNC_ENCODING_RRE 0x00000002 |
367 |
#define VNC_ENCODING_CORRE 0x00000004 |
368 |
#define VNC_ENCODING_HEXTILE 0x00000005 |
369 |
#define VNC_ENCODING_ZLIB 0x00000006 |
370 |
#define VNC_ENCODING_TIGHT 0x00000007 |
371 |
#define VNC_ENCODING_ZLIBHEX 0x00000008 |
372 |
#define VNC_ENCODING_TRLE 0x0000000f |
373 |
#define VNC_ENCODING_ZRLE 0x00000010 |
374 |
#define VNC_ENCODING_ZYWRLE 0x00000011 |
375 |
#define VNC_ENCODING_COMPRESSLEVEL0 0xFFFFFF00 /* -256 */ |
376 |
#define VNC_ENCODING_QUALITYLEVEL0 0xFFFFFFE0 /* -32 */ |
377 |
#define VNC_ENCODING_XCURSOR 0xFFFFFF10 /* -240 */ |
378 |
#define VNC_ENCODING_RICH_CURSOR 0xFFFFFF11 /* -239 */ |
379 |
#define VNC_ENCODING_POINTER_POS 0xFFFFFF18 /* -232 */ |
380 |
#define VNC_ENCODING_LASTRECT 0xFFFFFF20 /* -224 */ |
381 |
#define VNC_ENCODING_DESKTOPRESIZE 0xFFFFFF21 /* -223 */ |
382 |
#define VNC_ENCODING_POINTER_TYPE_CHANGE 0XFFFFFEFF /* -257 */ |
383 |
#define VNC_ENCODING_EXT_KEY_EVENT 0XFFFFFEFE /* -258 */ |
384 |
#define VNC_ENCODING_AUDIO 0XFFFFFEFD /* -259 */ |
385 |
#define VNC_ENCODING_TIGHT_PNG 0xFFFFFEFC /* -260 */ |
386 |
#define VNC_ENCODING_WMVi 0x574D5669 |
387 |
|
388 |
/*****************************************************************************
|
389 |
*
|
390 |
* Other tight constants
|
391 |
*
|
392 |
*****************************************************************************/
|
393 |
|
394 |
/*
|
395 |
* Vendors known by TightVNC: standard VNC/RealVNC, TridiaVNC, and TightVNC.
|
396 |
*/
|
397 |
|
398 |
#define VNC_TIGHT_CCB_RESET_MASK (0x0f) |
399 |
#define VNC_TIGHT_CCB_TYPE_MASK (0x0f << 4) |
400 |
#define VNC_TIGHT_CCB_TYPE_FILL (0x08 << 4) |
401 |
#define VNC_TIGHT_CCB_TYPE_JPEG (0x09 << 4) |
402 |
#define VNC_TIGHT_CCB_TYPE_PNG (0x0A << 4) |
403 |
#define VNC_TIGHT_CCB_BASIC_MAX (0x07 << 4) |
404 |
#define VNC_TIGHT_CCB_BASIC_ZLIB (0x03 << 4) |
405 |
#define VNC_TIGHT_CCB_BASIC_FILTER (0x04 << 4) |
406 |
|
407 |
/*****************************************************************************
|
408 |
*
|
409 |
* Features
|
410 |
*
|
411 |
*****************************************************************************/
|
412 |
|
413 |
#define VNC_FEATURE_RESIZE 0 |
414 |
#define VNC_FEATURE_HEXTILE 1 |
415 |
#define VNC_FEATURE_POINTER_TYPE_CHANGE 2 |
416 |
#define VNC_FEATURE_WMVI 3 |
417 |
#define VNC_FEATURE_TIGHT 4 |
418 |
#define VNC_FEATURE_ZLIB 5 |
419 |
#define VNC_FEATURE_COPYRECT 6 |
420 |
#define VNC_FEATURE_RICH_CURSOR 7 |
421 |
#define VNC_FEATURE_TIGHT_PNG 8 |
422 |
#define VNC_FEATURE_ZRLE 9 |
423 |
#define VNC_FEATURE_ZYWRLE 10 |
424 |
|
425 |
#define VNC_FEATURE_RESIZE_MASK (1 << VNC_FEATURE_RESIZE) |
426 |
#define VNC_FEATURE_HEXTILE_MASK (1 << VNC_FEATURE_HEXTILE) |
427 |
#define VNC_FEATURE_POINTER_TYPE_CHANGE_MASK (1 << VNC_FEATURE_POINTER_TYPE_CHANGE) |
428 |
#define VNC_FEATURE_WMVI_MASK (1 << VNC_FEATURE_WMVI) |
429 |
#define VNC_FEATURE_TIGHT_MASK (1 << VNC_FEATURE_TIGHT) |
430 |
#define VNC_FEATURE_ZLIB_MASK (1 << VNC_FEATURE_ZLIB) |
431 |
#define VNC_FEATURE_COPYRECT_MASK (1 << VNC_FEATURE_COPYRECT) |
432 |
#define VNC_FEATURE_RICH_CURSOR_MASK (1 << VNC_FEATURE_RICH_CURSOR) |
433 |
#define VNC_FEATURE_TIGHT_PNG_MASK (1 << VNC_FEATURE_TIGHT_PNG) |
434 |
#define VNC_FEATURE_ZRLE_MASK (1 << VNC_FEATURE_ZRLE) |
435 |
#define VNC_FEATURE_ZYWRLE_MASK (1 << VNC_FEATURE_ZYWRLE) |
436 |
|
437 |
|
438 |
/* Client -> Server message IDs */
|
439 |
#define VNC_MSG_CLIENT_SET_PIXEL_FORMAT 0 |
440 |
#define VNC_MSG_CLIENT_SET_ENCODINGS 2 |
441 |
#define VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST 3 |
442 |
#define VNC_MSG_CLIENT_KEY_EVENT 4 |
443 |
#define VNC_MSG_CLIENT_POINTER_EVENT 5 |
444 |
#define VNC_MSG_CLIENT_CUT_TEXT 6 |
445 |
#define VNC_MSG_CLIENT_VMWARE_0 127 |
446 |
#define VNC_MSG_CLIENT_CALL_CONTROL 249 |
447 |
#define VNC_MSG_CLIENT_XVP 250 |
448 |
#define VNC_MSG_CLIENT_SET_DESKTOP_SIZE 251 |
449 |
#define VNC_MSG_CLIENT_TIGHT 252 |
450 |
#define VNC_MSG_CLIENT_GII 253 |
451 |
#define VNC_MSG_CLIENT_VMWARE_1 254 |
452 |
#define VNC_MSG_CLIENT_QEMU 255 |
453 |
|
454 |
/* Server -> Client message IDs */
|
455 |
#define VNC_MSG_SERVER_FRAMEBUFFER_UPDATE 0 |
456 |
#define VNC_MSG_SERVER_SET_COLOUR_MAP_ENTRIES 1 |
457 |
#define VNC_MSG_SERVER_BELL 2 |
458 |
#define VNC_MSG_SERVER_CUT_TEXT 3 |
459 |
#define VNC_MSG_SERVER_VMWARE_0 127 |
460 |
#define VNC_MSG_SERVER_CALL_CONTROL 249 |
461 |
#define VNC_MSG_SERVER_XVP 250 |
462 |
#define VNC_MSG_SERVER_TIGHT 252 |
463 |
#define VNC_MSG_SERVER_GII 253 |
464 |
#define VNC_MSG_SERVER_VMWARE_1 254 |
465 |
#define VNC_MSG_SERVER_QEMU 255 |
466 |
|
467 |
|
468 |
|
469 |
/* QEMU client -> server message IDs */
|
470 |
#define VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT 0 |
471 |
#define VNC_MSG_CLIENT_QEMU_AUDIO 1 |
472 |
|
473 |
/* QEMU server -> client message IDs */
|
474 |
#define VNC_MSG_SERVER_QEMU_AUDIO 1 |
475 |
|
476 |
|
477 |
|
478 |
/* QEMU client -> server audio message IDs */
|
479 |
#define VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE 0 |
480 |
#define VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE 1 |
481 |
#define VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT 2 |
482 |
|
483 |
/* QEMU server -> client audio message IDs */
|
484 |
#define VNC_MSG_SERVER_QEMU_AUDIO_END 0 |
485 |
#define VNC_MSG_SERVER_QEMU_AUDIO_BEGIN 1 |
486 |
#define VNC_MSG_SERVER_QEMU_AUDIO_DATA 2 |
487 |
|
488 |
|
489 |
/*****************************************************************************
|
490 |
*
|
491 |
* Internal APIs
|
492 |
*
|
493 |
*****************************************************************************/
|
494 |
|
495 |
/* Event loop functions */
|
496 |
void vnc_client_read(void *opaque); |
497 |
void vnc_client_write(void *opaque); |
498 |
|
499 |
long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen);
|
500 |
long vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen); |
501 |
|
502 |
/* Protocol I/O functions */
|
503 |
void vnc_write(VncState *vs, const void *data, size_t len); |
504 |
void vnc_write_u32(VncState *vs, uint32_t value);
|
505 |
void vnc_write_s32(VncState *vs, int32_t value);
|
506 |
void vnc_write_u16(VncState *vs, uint16_t value);
|
507 |
void vnc_write_u8(VncState *vs, uint8_t value);
|
508 |
void vnc_flush(VncState *vs);
|
509 |
void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting);
|
510 |
|
511 |
|
512 |
/* Buffer I/O functions */
|
513 |
uint8_t read_u8(uint8_t *data, size_t offset); |
514 |
uint16_t read_u16(uint8_t *data, size_t offset); |
515 |
int32_t read_s32(uint8_t *data, size_t offset); |
516 |
uint32_t read_u32(uint8_t *data, size_t offset); |
517 |
|
518 |
/* Protocol stage functions */
|
519 |
void vnc_client_error(VncState *vs);
|
520 |
int vnc_client_io_error(VncState *vs, int ret, int last_errno); |
521 |
|
522 |
void start_client_init(VncState *vs);
|
523 |
void start_auth_vnc(VncState *vs);
|
524 |
|
525 |
/* Buffer management */
|
526 |
void buffer_reserve(Buffer *buffer, size_t len);
|
527 |
int buffer_empty(Buffer *buffer);
|
528 |
uint8_t *buffer_end(Buffer *buffer); |
529 |
void buffer_reset(Buffer *buffer);
|
530 |
void buffer_free(Buffer *buffer);
|
531 |
void buffer_append(Buffer *buffer, const void *data, size_t len); |
532 |
|
533 |
|
534 |
/* Misc helpers */
|
535 |
|
536 |
char *vnc_socket_local_addr(const char *format, int fd); |
537 |
char *vnc_socket_remote_addr(const char *format, int fd); |
538 |
|
539 |
static inline uint32_t vnc_has_feature(VncState *vs, int feature) { |
540 |
return (vs->features & (1 << feature)); |
541 |
} |
542 |
|
543 |
/* Framebuffer */
|
544 |
void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, |
545 |
int32_t encoding); |
546 |
|
547 |
void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v);
|
548 |
double vnc_update_freq(VncState *vs, int x, int y, int w, int h); |
549 |
void vnc_sent_lossy_rect(VncState *vs, int x, int y, int w, int h); |
550 |
|
551 |
/* Encodings */
|
552 |
int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
553 |
|
554 |
int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
555 |
|
556 |
int vnc_hextile_send_framebuffer_update(VncState *vs, int x, |
557 |
int y, int w, int h); |
558 |
void vnc_hextile_set_pixel_conversion(VncState *vs, int generic); |
559 |
|
560 |
void *vnc_zlib_zalloc(void *x, unsigned items, unsigned size); |
561 |
void vnc_zlib_zfree(void *x, void *addr); |
562 |
int vnc_zlib_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
563 |
void vnc_zlib_clear(VncState *vs);
|
564 |
|
565 |
int vnc_tight_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
566 |
int vnc_tight_png_send_framebuffer_update(VncState *vs, int x, int y, |
567 |
int w, int h); |
568 |
void vnc_tight_clear(VncState *vs);
|
569 |
|
570 |
int vnc_zrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
571 |
int vnc_zywrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
572 |
void vnc_zrle_clear(VncState *vs);
|
573 |
|
574 |
#endif /* __QEMU_VNC_H */ |