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19a490bf AL |
1 | /* |
2 | * QEMU VNC display driver | |
3 | * | |
4 | * Copyright (C) 2006 Anthony Liguori <[email protected]> | |
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" | |
41b4bef6 | 31 | #include "qemu-queue.h" |
bd023f95 | 32 | #include "qemu-thread.h" |
19a490bf AL |
33 | #include "console.h" |
34 | #include "monitor.h" | |
35 | #include "audio/audio.h" | |
bc2429b9 | 36 | #include "bitmap.h" |
19a490bf | 37 | #include <zlib.h> |
6f9c78c1 | 38 | #include <stdbool.h> |
19a490bf | 39 | |
19a490bf | 40 | #include "keymaps.h" |
148954fa CC |
41 | #include "vnc-palette.h" |
42 | #include "vnc-enc-zrle.h" | |
19a490bf | 43 | |
5fb6c7a8 AL |
44 | // #define _VNC_DEBUG 1 |
45 | ||
46 | #ifdef _VNC_DEBUG | |
47 | #define VNC_DEBUG(fmt, ...) do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) | |
48 | #else | |
49 | #define VNC_DEBUG(fmt, ...) do { } while (0) | |
50 | #endif | |
51 | ||
19a490bf AL |
52 | /***************************************************************************** |
53 | * | |
54 | * Core data structures | |
55 | * | |
56 | *****************************************************************************/ | |
57 | ||
58 | typedef struct Buffer | |
59 | { | |
60 | size_t capacity; | |
61 | size_t offset; | |
62 | uint8_t *buffer; | |
63 | } Buffer; | |
64 | ||
65 | typedef struct VncState VncState; | |
bd023f95 CC |
66 | typedef struct VncJob VncJob; |
67 | typedef struct VncRect VncRect; | |
68 | typedef struct VncRectEntry VncRectEntry; | |
19a490bf AL |
69 | |
70 | typedef int VncReadEvent(VncState *vs, uint8_t *data, size_t len); | |
71 | ||
d467b679 | 72 | typedef void VncWritePixels(VncState *vs, struct PixelFormat *pf, void *data, int size); |
19a490bf AL |
73 | |
74 | typedef void VncSendHextileTile(VncState *vs, | |
75 | int x, int y, int w, int h, | |
76 | void *last_bg, | |
77 | void *last_fg, | |
78 | int *has_bg, int *has_fg); | |
79 | ||
23bfe28f | 80 | /* VNC_MAX_WIDTH must be a multiple of 16. */ |
3f54bfbf | 81 | #define VNC_MAX_WIDTH 2560 |
19a490bf | 82 | #define VNC_MAX_HEIGHT 2048 |
23bfe28f SW |
83 | |
84 | /* VNC_DIRTY_BITS is the number of bits in the dirty bitmap. */ | |
85 | #define VNC_DIRTY_BITS (VNC_MAX_WIDTH / 16) | |
19a490bf | 86 | |
999342a0 CC |
87 | #define VNC_STAT_RECT 64 |
88 | #define VNC_STAT_COLS (VNC_MAX_WIDTH / VNC_STAT_RECT) | |
89 | #define VNC_STAT_ROWS (VNC_MAX_HEIGHT / VNC_STAT_RECT) | |
90 | ||
19a490bf AL |
91 | #define VNC_AUTH_CHALLENGE_SIZE 16 |
92 | ||
93 | typedef struct VncDisplay VncDisplay; | |
94 | ||
5fb6c7a8 AL |
95 | #ifdef CONFIG_VNC_TLS |
96 | #include "vnc-tls.h" | |
97 | #include "vnc-auth-vencrypt.h" | |
98 | #endif | |
2f9606b3 AL |
99 | #ifdef CONFIG_VNC_SASL |
100 | #include "vnc-auth-sasl.h" | |
101 | #endif | |
102 | ||
999342a0 CC |
103 | struct VncRectStat |
104 | { | |
105 | /* time of last 10 updates, to find update frequency */ | |
106 | struct timeval times[10]; | |
107 | int idx; | |
108 | ||
109 | double freq; /* Update frequency (in Hz) */ | |
110 | bool updated; /* Already updated during this refresh */ | |
111 | }; | |
112 | ||
113 | typedef struct VncRectStat VncRectStat; | |
114 | ||
1fc62412 SS |
115 | struct VncSurface |
116 | { | |
999342a0 | 117 | struct timeval last_freq_check; |
23bfe28f | 118 | DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], VNC_MAX_WIDTH / 16); |
999342a0 | 119 | VncRectStat stats[VNC_STAT_ROWS][VNC_STAT_COLS]; |
1fc62412 SS |
120 | DisplaySurface *ds; |
121 | }; | |
5fb6c7a8 | 122 | |
8cf36489 GH |
123 | typedef enum VncShareMode { |
124 | VNC_SHARE_MODE_CONNECTING = 1, | |
125 | VNC_SHARE_MODE_SHARED, | |
126 | VNC_SHARE_MODE_EXCLUSIVE, | |
127 | VNC_SHARE_MODE_DISCONNECTED, | |
128 | } VncShareMode; | |
129 | ||
130 | typedef enum VncSharePolicy { | |
131 | VNC_SHARE_POLICY_IGNORE = 1, | |
132 | VNC_SHARE_POLICY_ALLOW_EXCLUSIVE, | |
133 | VNC_SHARE_POLICY_FORCE_SHARED, | |
134 | } VncSharePolicy; | |
135 | ||
19a490bf AL |
136 | struct VncDisplay |
137 | { | |
41b4bef6 | 138 | QTAILQ_HEAD(, VncState) clients; |
8cf36489 GH |
139 | int num_exclusive; |
140 | VncSharePolicy share_policy; | |
703bc68f | 141 | QEMUTimer *timer; |
2430ffe4 | 142 | int timer_interval; |
19a490bf AL |
143 | int lsock; |
144 | DisplayState *ds; | |
c227f099 | 145 | kbd_layout_t *kbd_layout; |
3a0558b5 | 146 | int lock_key_sync; |
bd023f95 | 147 | QemuMutex mutex; |
19a490bf | 148 | |
d467b679 GH |
149 | QEMUCursor *cursor; |
150 | int cursor_msize; | |
151 | uint8_t *cursor_mask; | |
152 | ||
1fc62412 SS |
153 | struct VncSurface guest; /* guest visible surface (aka ds->surface) */ |
154 | DisplaySurface *server; /* vnc server surface */ | |
155 | ||
19a490bf AL |
156 | char *display; |
157 | char *password; | |
3c9405a0 | 158 | time_t expires; |
19a490bf | 159 | int auth; |
6f9c78c1 | 160 | bool lossy; |
80e0c8c3 | 161 | bool non_adaptive; |
19a490bf | 162 | #ifdef CONFIG_VNC_TLS |
5fb6c7a8 AL |
163 | int subauth; /* Used by VeNCrypt */ |
164 | VncDisplayTLS tls; | |
19a490bf | 165 | #endif |
76655d6d AL |
166 | #ifdef CONFIG_VNC_SASL |
167 | VncDisplaySASL sasl; | |
168 | #endif | |
19a490bf AL |
169 | }; |
170 | ||
d1af0e05 CC |
171 | typedef struct VncTight { |
172 | int type; | |
173 | uint8_t quality; | |
174 | uint8_t compression; | |
175 | uint8_t pixel24; | |
176 | Buffer tight; | |
177 | Buffer tmp; | |
178 | Buffer zlib; | |
179 | Buffer gradient; | |
180 | #ifdef CONFIG_VNC_JPEG | |
181 | Buffer jpeg; | |
182 | #endif | |
183 | #ifdef CONFIG_VNC_PNG | |
184 | Buffer png; | |
185 | #endif | |
186 | int levels[4]; | |
187 | z_stream stream[4]; | |
188 | } VncTight; | |
189 | ||
190 | typedef struct VncHextile { | |
191 | VncSendHextileTile *send_tile; | |
192 | } VncHextile; | |
193 | ||
194 | typedef struct VncZlib { | |
195 | Buffer zlib; | |
196 | Buffer tmp; | |
197 | z_stream stream; | |
198 | int level; | |
199 | } VncZlib; | |
200 | ||
148954fa CC |
201 | typedef struct VncZrle { |
202 | int type; | |
203 | Buffer fb; | |
204 | Buffer zrle; | |
205 | Buffer tmp; | |
206 | Buffer zlib; | |
207 | z_stream stream; | |
208 | VncPalette palette; | |
209 | } VncZrle; | |
210 | ||
211 | typedef struct VncZywrle { | |
212 | int buf[VNC_ZRLE_TILE_WIDTH * VNC_ZRLE_TILE_HEIGHT]; | |
213 | } VncZywrle; | |
214 | ||
bd023f95 CC |
215 | struct VncRect |
216 | { | |
217 | int x; | |
218 | int y; | |
219 | int w; | |
220 | int h; | |
221 | }; | |
222 | ||
223 | struct VncRectEntry | |
224 | { | |
225 | struct VncRect rect; | |
226 | QLIST_ENTRY(VncRectEntry) next; | |
227 | }; | |
228 | ||
229 | struct VncJob | |
230 | { | |
231 | VncState *vs; | |
232 | ||
233 | QLIST_HEAD(, VncRectEntry) rectangles; | |
234 | QTAILQ_ENTRY(VncJob) next; | |
235 | }; | |
bd023f95 | 236 | |
19a490bf AL |
237 | struct VncState |
238 | { | |
19a490bf | 239 | int csock; |
6baebed7 | 240 | |
19a490bf | 241 | DisplayState *ds; |
23bfe28f | 242 | DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], VNC_DIRTY_BITS); |
7d964c9d CC |
243 | uint8_t **lossy_rect; /* Not an Array to avoid costly memcpy in |
244 | * vnc-jobs-async.c */ | |
6baebed7 | 245 | |
19a490bf AL |
246 | VncDisplay *vd; |
247 | int need_update; | |
c522d0e2 | 248 | int force_update; |
19a490bf AL |
249 | uint32_t features; |
250 | int absolute; | |
251 | int last_x; | |
252 | int last_y; | |
5862d195 GH |
253 | int client_width; |
254 | int client_height; | |
8cf36489 | 255 | VncShareMode share_mode; |
19a490bf AL |
256 | |
257 | uint32_t vnc_encoding; | |
19a490bf AL |
258 | |
259 | int major; | |
260 | int minor; | |
261 | ||
7e7e2ebc | 262 | int auth; |
19a490bf | 263 | char challenge[VNC_AUTH_CHALLENGE_SIZE]; |
19a490bf | 264 | #ifdef CONFIG_VNC_TLS |
7e7e2ebc | 265 | int subauth; /* Used by VeNCrypt */ |
5fb6c7a8 | 266 | VncStateTLS tls; |
19a490bf | 267 | #endif |
2f9606b3 AL |
268 | #ifdef CONFIG_VNC_SASL |
269 | VncStateSASL sasl; | |
270 | #endif | |
19a490bf | 271 | |
4a80dba3 LC |
272 | QObject *info; |
273 | ||
19a490bf AL |
274 | Buffer output; |
275 | Buffer input; | |
276 | /* current output mode information */ | |
277 | VncWritePixels *write_pixels; | |
6baebed7 | 278 | DisplaySurface clientds; |
19a490bf AL |
279 | |
280 | CaptureVoiceOut *audio_cap; | |
281 | struct audsettings as; | |
282 | ||
283 | VncReadEvent *read_handler; | |
284 | size_t read_handler_expect; | |
285 | /* input */ | |
286 | uint8_t modifiers_state[256]; | |
7ffb82ca | 287 | QEMUPutLEDEntry *led; |
19a490bf | 288 | |
bd023f95 | 289 | bool abort; |
bd023f95 | 290 | QemuMutex output_mutex; |
175b2a6e CC |
291 | QEMUBH *bh; |
292 | Buffer jobs_buffer; | |
bd023f95 CC |
293 | |
294 | /* Encoding specific, if you add something here, don't forget to | |
295 | * update vnc_async_encoding_start() | |
296 | */ | |
d1af0e05 CC |
297 | VncTight tight; |
298 | VncZlib zlib; | |
299 | VncHextile hextile; | |
148954fa CC |
300 | VncZrle zrle; |
301 | VncZywrle zywrle; | |
19a490bf | 302 | |
37c34d9d AL |
303 | Notifier mouse_mode_notifier; |
304 | ||
41b4bef6 | 305 | QTAILQ_ENTRY(VncState) next; |
19a490bf AL |
306 | }; |
307 | ||
e06679fb AL |
308 | |
309 | /***************************************************************************** | |
310 | * | |
311 | * Authentication modes | |
312 | * | |
313 | *****************************************************************************/ | |
314 | ||
315 | enum { | |
316 | VNC_AUTH_INVALID = 0, | |
317 | VNC_AUTH_NONE = 1, | |
318 | VNC_AUTH_VNC = 2, | |
319 | VNC_AUTH_RA2 = 5, | |
320 | VNC_AUTH_RA2NE = 6, | |
321 | VNC_AUTH_TIGHT = 16, | |
322 | VNC_AUTH_ULTRA = 17, | |
2f9606b3 AL |
323 | VNC_AUTH_TLS = 18, /* Supported in GTK-VNC & VINO */ |
324 | VNC_AUTH_VENCRYPT = 19, /* Supported in GTK-VNC & VeNCrypt */ | |
325 | VNC_AUTH_SASL = 20, /* Supported in GTK-VNC & VINO */ | |
e06679fb AL |
326 | }; |
327 | ||
e06679fb AL |
328 | enum { |
329 | VNC_AUTH_VENCRYPT_PLAIN = 256, | |
330 | VNC_AUTH_VENCRYPT_TLSNONE = 257, | |
331 | VNC_AUTH_VENCRYPT_TLSVNC = 258, | |
332 | VNC_AUTH_VENCRYPT_TLSPLAIN = 259, | |
333 | VNC_AUTH_VENCRYPT_X509NONE = 260, | |
334 | VNC_AUTH_VENCRYPT_X509VNC = 261, | |
335 | VNC_AUTH_VENCRYPT_X509PLAIN = 262, | |
2f9606b3 AL |
336 | VNC_AUTH_VENCRYPT_X509SASL = 263, |
337 | VNC_AUTH_VENCRYPT_TLSSASL = 264, | |
e06679fb AL |
338 | }; |
339 | ||
e06679fb AL |
340 | |
341 | /***************************************************************************** | |
342 | * | |
343 | * Encoding types | |
344 | * | |
345 | *****************************************************************************/ | |
346 | ||
347 | #define VNC_ENCODING_RAW 0x00000000 | |
348 | #define VNC_ENCODING_COPYRECT 0x00000001 | |
349 | #define VNC_ENCODING_RRE 0x00000002 | |
350 | #define VNC_ENCODING_CORRE 0x00000004 | |
351 | #define VNC_ENCODING_HEXTILE 0x00000005 | |
352 | #define VNC_ENCODING_ZLIB 0x00000006 | |
353 | #define VNC_ENCODING_TIGHT 0x00000007 | |
354 | #define VNC_ENCODING_ZLIBHEX 0x00000008 | |
355 | #define VNC_ENCODING_TRLE 0x0000000f | |
356 | #define VNC_ENCODING_ZRLE 0x00000010 | |
357 | #define VNC_ENCODING_ZYWRLE 0x00000011 | |
358 | #define VNC_ENCODING_COMPRESSLEVEL0 0xFFFFFF00 /* -256 */ | |
359 | #define VNC_ENCODING_QUALITYLEVEL0 0xFFFFFFE0 /* -32 */ | |
360 | #define VNC_ENCODING_XCURSOR 0xFFFFFF10 /* -240 */ | |
361 | #define VNC_ENCODING_RICH_CURSOR 0xFFFFFF11 /* -239 */ | |
362 | #define VNC_ENCODING_POINTER_POS 0xFFFFFF18 /* -232 */ | |
363 | #define VNC_ENCODING_LASTRECT 0xFFFFFF20 /* -224 */ | |
364 | #define VNC_ENCODING_DESKTOPRESIZE 0xFFFFFF21 /* -223 */ | |
365 | #define VNC_ENCODING_POINTER_TYPE_CHANGE 0XFFFFFEFF /* -257 */ | |
366 | #define VNC_ENCODING_EXT_KEY_EVENT 0XFFFFFEFE /* -258 */ | |
367 | #define VNC_ENCODING_AUDIO 0XFFFFFEFD /* -259 */ | |
efe556ad | 368 | #define VNC_ENCODING_TIGHT_PNG 0xFFFFFEFC /* -260 */ |
e06679fb AL |
369 | #define VNC_ENCODING_WMVi 0x574D5669 |
370 | ||
371 | /***************************************************************************** | |
372 | * | |
373 | * Other tight constants | |
374 | * | |
375 | *****************************************************************************/ | |
376 | ||
377 | /* | |
378 | * Vendors known by TightVNC: standard VNC/RealVNC, TridiaVNC, and TightVNC. | |
379 | */ | |
380 | ||
381 | #define VNC_TIGHT_CCB_RESET_MASK (0x0f) | |
382 | #define VNC_TIGHT_CCB_TYPE_MASK (0x0f << 4) | |
383 | #define VNC_TIGHT_CCB_TYPE_FILL (0x08 << 4) | |
384 | #define VNC_TIGHT_CCB_TYPE_JPEG (0x09 << 4) | |
efe556ad | 385 | #define VNC_TIGHT_CCB_TYPE_PNG (0x0A << 4) |
e06679fb AL |
386 | #define VNC_TIGHT_CCB_BASIC_MAX (0x07 << 4) |
387 | #define VNC_TIGHT_CCB_BASIC_ZLIB (0x03 << 4) | |
388 | #define VNC_TIGHT_CCB_BASIC_FILTER (0x04 << 4) | |
389 | ||
390 | /***************************************************************************** | |
391 | * | |
392 | * Features | |
393 | * | |
394 | *****************************************************************************/ | |
395 | ||
396 | #define VNC_FEATURE_RESIZE 0 | |
397 | #define VNC_FEATURE_HEXTILE 1 | |
398 | #define VNC_FEATURE_POINTER_TYPE_CHANGE 2 | |
399 | #define VNC_FEATURE_WMVI 3 | |
400 | #define VNC_FEATURE_TIGHT 4 | |
401 | #define VNC_FEATURE_ZLIB 5 | |
753b4053 | 402 | #define VNC_FEATURE_COPYRECT 6 |
d467b679 | 403 | #define VNC_FEATURE_RICH_CURSOR 7 |
efe556ad | 404 | #define VNC_FEATURE_TIGHT_PNG 8 |
148954fa CC |
405 | #define VNC_FEATURE_ZRLE 9 |
406 | #define VNC_FEATURE_ZYWRLE 10 | |
e06679fb AL |
407 | |
408 | #define VNC_FEATURE_RESIZE_MASK (1 << VNC_FEATURE_RESIZE) | |
409 | #define VNC_FEATURE_HEXTILE_MASK (1 << VNC_FEATURE_HEXTILE) | |
410 | #define VNC_FEATURE_POINTER_TYPE_CHANGE_MASK (1 << VNC_FEATURE_POINTER_TYPE_CHANGE) | |
411 | #define VNC_FEATURE_WMVI_MASK (1 << VNC_FEATURE_WMVI) | |
412 | #define VNC_FEATURE_TIGHT_MASK (1 << VNC_FEATURE_TIGHT) | |
413 | #define VNC_FEATURE_ZLIB_MASK (1 << VNC_FEATURE_ZLIB) | |
753b4053 | 414 | #define VNC_FEATURE_COPYRECT_MASK (1 << VNC_FEATURE_COPYRECT) |
d467b679 | 415 | #define VNC_FEATURE_RICH_CURSOR_MASK (1 << VNC_FEATURE_RICH_CURSOR) |
efe556ad | 416 | #define VNC_FEATURE_TIGHT_PNG_MASK (1 << VNC_FEATURE_TIGHT_PNG) |
148954fa CC |
417 | #define VNC_FEATURE_ZRLE_MASK (1 << VNC_FEATURE_ZRLE) |
418 | #define VNC_FEATURE_ZYWRLE_MASK (1 << VNC_FEATURE_ZYWRLE) | |
e06679fb | 419 | |
5fb6c7a8 | 420 | |
46a183da DB |
421 | /* Client -> Server message IDs */ |
422 | #define VNC_MSG_CLIENT_SET_PIXEL_FORMAT 0 | |
423 | #define VNC_MSG_CLIENT_SET_ENCODINGS 2 | |
424 | #define VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST 3 | |
425 | #define VNC_MSG_CLIENT_KEY_EVENT 4 | |
426 | #define VNC_MSG_CLIENT_POINTER_EVENT 5 | |
427 | #define VNC_MSG_CLIENT_CUT_TEXT 6 | |
428 | #define VNC_MSG_CLIENT_VMWARE_0 127 | |
429 | #define VNC_MSG_CLIENT_CALL_CONTROL 249 | |
430 | #define VNC_MSG_CLIENT_XVP 250 | |
431 | #define VNC_MSG_CLIENT_SET_DESKTOP_SIZE 251 | |
432 | #define VNC_MSG_CLIENT_TIGHT 252 | |
433 | #define VNC_MSG_CLIENT_GII 253 | |
434 | #define VNC_MSG_CLIENT_VMWARE_1 254 | |
435 | #define VNC_MSG_CLIENT_QEMU 255 | |
436 | ||
437 | /* Server -> Client message IDs */ | |
438 | #define VNC_MSG_SERVER_FRAMEBUFFER_UPDATE 0 | |
439 | #define VNC_MSG_SERVER_SET_COLOUR_MAP_ENTRIES 1 | |
440 | #define VNC_MSG_SERVER_BELL 2 | |
441 | #define VNC_MSG_SERVER_CUT_TEXT 3 | |
442 | #define VNC_MSG_SERVER_VMWARE_0 127 | |
443 | #define VNC_MSG_SERVER_CALL_CONTROL 249 | |
444 | #define VNC_MSG_SERVER_XVP 250 | |
445 | #define VNC_MSG_SERVER_TIGHT 252 | |
446 | #define VNC_MSG_SERVER_GII 253 | |
447 | #define VNC_MSG_SERVER_VMWARE_1 254 | |
448 | #define VNC_MSG_SERVER_QEMU 255 | |
449 | ||
450 | ||
451 | ||
452 | /* QEMU client -> server message IDs */ | |
453 | #define VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT 0 | |
454 | #define VNC_MSG_CLIENT_QEMU_AUDIO 1 | |
455 | ||
456 | /* QEMU server -> client message IDs */ | |
457 | #define VNC_MSG_SERVER_QEMU_AUDIO 1 | |
458 | ||
459 | ||
460 | ||
461 | /* QEMU client -> server audio message IDs */ | |
462 | #define VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE 0 | |
463 | #define VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE 1 | |
464 | #define VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT 2 | |
465 | ||
466 | /* QEMU server -> client audio message IDs */ | |
467 | #define VNC_MSG_SERVER_QEMU_AUDIO_END 0 | |
468 | #define VNC_MSG_SERVER_QEMU_AUDIO_BEGIN 1 | |
469 | #define VNC_MSG_SERVER_QEMU_AUDIO_DATA 2 | |
470 | ||
471 | ||
5fb6c7a8 AL |
472 | /***************************************************************************** |
473 | * | |
474 | * Internal APIs | |
475 | * | |
476 | *****************************************************************************/ | |
477 | ||
478 | /* Event loop functions */ | |
479 | void vnc_client_read(void *opaque); | |
480 | void vnc_client_write(void *opaque); | |
481 | ||
2f9606b3 AL |
482 | long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen); |
483 | long vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen); | |
5fb6c7a8 AL |
484 | |
485 | /* Protocol I/O functions */ | |
486 | void vnc_write(VncState *vs, const void *data, size_t len); | |
487 | void vnc_write_u32(VncState *vs, uint32_t value); | |
488 | void vnc_write_s32(VncState *vs, int32_t value); | |
489 | void vnc_write_u16(VncState *vs, uint16_t value); | |
490 | void vnc_write_u8(VncState *vs, uint8_t value); | |
491 | void vnc_flush(VncState *vs); | |
492 | void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting); | |
493 | ||
494 | ||
495 | /* Buffer I/O functions */ | |
496 | uint8_t read_u8(uint8_t *data, size_t offset); | |
497 | uint16_t read_u16(uint8_t *data, size_t offset); | |
498 | int32_t read_s32(uint8_t *data, size_t offset); | |
499 | uint32_t read_u32(uint8_t *data, size_t offset); | |
500 | ||
501 | /* Protocol stage functions */ | |
502 | void vnc_client_error(VncState *vs); | |
2f9606b3 | 503 | int vnc_client_io_error(VncState *vs, int ret, int last_errno); |
5fb6c7a8 AL |
504 | |
505 | void start_client_init(VncState *vs); | |
506 | void start_auth_vnc(VncState *vs); | |
507 | ||
2f9606b3 AL |
508 | /* Buffer management */ |
509 | void buffer_reserve(Buffer *buffer, size_t len); | |
510 | int buffer_empty(Buffer *buffer); | |
511 | uint8_t *buffer_end(Buffer *buffer); | |
512 | void buffer_reset(Buffer *buffer); | |
5d418e3b | 513 | void buffer_free(Buffer *buffer); |
2f9606b3 AL |
514 | void buffer_append(Buffer *buffer, const void *data, size_t len); |
515 | ||
516 | ||
517 | /* Misc helpers */ | |
518 | ||
519 | char *vnc_socket_local_addr(const char *format, int fd); | |
520 | char *vnc_socket_remote_addr(const char *format, int fd); | |
521 | ||
efe556ad CC |
522 | static inline uint32_t vnc_has_feature(VncState *vs, int feature) { |
523 | return (vs->features & (1 << feature)); | |
524 | } | |
525 | ||
70a4568f CC |
526 | /* Framebuffer */ |
527 | void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, | |
528 | int32_t encoding); | |
529 | ||
530 | void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v); | |
999342a0 | 531 | double vnc_update_freq(VncState *vs, int x, int y, int w, int h); |
7d964c9d | 532 | void vnc_sent_lossy_rect(VncState *vs, int x, int y, int w, int h); |
70a4568f CC |
533 | |
534 | /* Encodings */ | |
bd023f95 CC |
535 | int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
536 | ||
a885211e | 537 | int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
70a4568f | 538 | |
a885211e | 539 | int vnc_hextile_send_framebuffer_update(VncState *vs, int x, |
70a4568f CC |
540 | int y, int w, int h); |
541 | void vnc_hextile_set_pixel_conversion(VncState *vs, int generic); | |
542 | ||
380282b0 CC |
543 | void *vnc_zlib_zalloc(void *x, unsigned items, unsigned size); |
544 | void vnc_zlib_zfree(void *x, void *addr); | |
a885211e | 545 | int vnc_zlib_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
161c4f20 | 546 | void vnc_zlib_clear(VncState *vs); |
70a4568f | 547 | |
380282b0 | 548 | int vnc_tight_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
efe556ad CC |
549 | int vnc_tight_png_send_framebuffer_update(VncState *vs, int x, int y, |
550 | int w, int h); | |
380282b0 CC |
551 | void vnc_tight_clear(VncState *vs); |
552 | ||
148954fa CC |
553 | int vnc_zrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
554 | int vnc_zywrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); | |
555 | void vnc_zrle_clear(VncState *vs); | |
556 | ||
19a490bf | 557 | #endif /* __QEMU_VNC_H */ |