Return to vnc.h CVS log

Up to [Qemu by Fabrice Bellard] / qemu / ui

Annotation of qemu/ui/vnc.h, revision 1.1

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

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.