#define __QEMU_VNC_H
#include "qemu-common.h"
-#include "qemu-queue.h"
-#ifdef CONFIG_VNC_THREAD
-#include "qemu-thread.h"
-#endif
-#include "console.h"
-#include "monitor.h"
+#include "qemu/queue.h"
+#include "qemu/thread.h"
+#include "ui/console.h"
+#include "monitor/monitor.h"
#include "audio/audio.h"
+#include "qemu/bitmap.h"
#include <zlib.h>
#include <stdbool.h>
#include "keymaps.h"
+#include "vnc-palette.h"
+#include "vnc-enc-zrle.h"
// #define _VNC_DEBUG 1
typedef int VncReadEvent(VncState *vs, uint8_t *data, size_t len);
-typedef void VncWritePixels(VncState *vs, struct PixelFormat *pf, void *data, int size);
+typedef void VncWritePixels(VncState *vs, void *data, int size);
typedef void VncSendHextileTile(VncState *vs,
int x, int y, int w, int h,
void *last_fg,
int *has_bg, int *has_fg);
+/* VNC_MAX_WIDTH must be a multiple of 16. */
#define VNC_MAX_WIDTH 2560
#define VNC_MAX_HEIGHT 2048
-#define VNC_DIRTY_WORDS (VNC_MAX_WIDTH / (16 * 32))
+
+/* VNC_DIRTY_BITS is the number of bits in the dirty bitmap. */
+#define VNC_DIRTY_BITS (VNC_MAX_WIDTH / 16)
+
+#define VNC_STAT_RECT 64
+#define VNC_STAT_COLS (VNC_MAX_WIDTH / VNC_STAT_RECT)
+#define VNC_STAT_ROWS (VNC_MAX_HEIGHT / VNC_STAT_RECT)
#define VNC_AUTH_CHALLENGE_SIZE 16
#ifdef CONFIG_VNC_SASL
#include "vnc-auth-sasl.h"
#endif
+#ifdef CONFIG_VNC_WS
+#include "vnc-ws.h"
+#endif
+
+struct VncRectStat
+{
+ /* time of last 10 updates, to find update frequency */
+ struct timeval times[10];
+ int idx;
+
+ double freq; /* Update frequency (in Hz) */
+ bool updated; /* Already updated during this refresh */
+};
+
+typedef struct VncRectStat VncRectStat;
struct VncSurface
{
- uint32_t dirty[VNC_MAX_HEIGHT][VNC_DIRTY_WORDS];
- DisplaySurface *ds;
+ struct timeval last_freq_check;
+ DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], VNC_MAX_WIDTH / 16);
+ VncRectStat stats[VNC_STAT_ROWS][VNC_STAT_COLS];
+ pixman_image_t *fb;
+ pixman_format_code_t format;
};
+typedef enum VncShareMode {
+ VNC_SHARE_MODE_CONNECTING = 1,
+ VNC_SHARE_MODE_SHARED,
+ VNC_SHARE_MODE_EXCLUSIVE,
+ VNC_SHARE_MODE_DISCONNECTED,
+} VncShareMode;
+
+typedef enum VncSharePolicy {
+ VNC_SHARE_POLICY_IGNORE = 1,
+ VNC_SHARE_POLICY_ALLOW_EXCLUSIVE,
+ VNC_SHARE_POLICY_FORCE_SHARED,
+} VncSharePolicy;
+
struct VncDisplay
{
QTAILQ_HEAD(, VncState) clients;
- QEMUTimer *timer;
- int timer_interval;
+ int num_exclusive;
+ VncSharePolicy share_policy;
int lsock;
- DisplayState *ds;
+#ifdef CONFIG_VNC_WS
+ int lwebsock;
+ bool websocket;
+ char *ws_display;
+#endif
+ DisplaySurface *ds;
+ DisplayChangeListener dcl;
kbd_layout_t *kbd_layout;
int lock_key_sync;
-#ifdef CONFIG_VNC_THREAD
QemuMutex mutex;
-#endif
QEMUCursor *cursor;
int cursor_msize;
uint8_t *cursor_mask;
struct VncSurface guest; /* guest visible surface (aka ds->surface) */
- DisplaySurface *server; /* vnc server surface */
+ pixman_image_t *server; /* vnc server surface */
char *display;
char *password;
time_t expires;
int auth;
bool lossy;
+ bool non_adaptive;
#ifdef CONFIG_VNC_TLS
int subauth; /* Used by VeNCrypt */
VncDisplayTLS tls;
int level;
} VncZlib;
-#ifdef CONFIG_VNC_THREAD
+typedef struct VncZrle {
+ int type;
+ Buffer fb;
+ Buffer zrle;
+ Buffer tmp;
+ Buffer zlib;
+ z_stream stream;
+ VncPalette palette;
+} VncZrle;
+
+typedef struct VncZywrle {
+ int buf[VNC_ZRLE_TILE_WIDTH * VNC_ZRLE_TILE_HEIGHT];
+} VncZywrle;
+
struct VncRect
{
int x;
QLIST_HEAD(, VncRectEntry) rectangles;
QTAILQ_ENTRY(VncJob) next;
};
-#else
-struct VncJob
-{
- VncState *vs;
- int rectangles;
- size_t saved_offset;
-};
-#endif
struct VncState
{
int csock;
- DisplayState *ds;
- uint32_t dirty[VNC_MAX_HEIGHT][VNC_DIRTY_WORDS];
+ DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], VNC_DIRTY_BITS);
+ uint8_t **lossy_rect; /* Not an Array to avoid costly memcpy in
+ * vnc-jobs-async.c */
VncDisplay *vd;
int need_update;
int last_y;
int client_width;
int client_height;
+ VncShareMode share_mode;
uint32_t vnc_encoding;
int major;
int minor;
+ int auth;
char challenge[VNC_AUTH_CHALLENGE_SIZE];
#ifdef CONFIG_VNC_TLS
+ int subauth; /* Used by VeNCrypt */
VncStateTLS tls;
#endif
#ifdef CONFIG_VNC_SASL
VncStateSASL sasl;
#endif
+#ifdef CONFIG_VNC_WS
+#ifdef CONFIG_VNC_TLS
+ VncStateTLS ws_tls;
+#endif /* CONFIG_VNC_TLS */
+ bool encode_ws;
+ bool websocket;
+#endif /* CONFIG_VNC_WS */
QObject *info;
Buffer output;
Buffer input;
+#ifdef CONFIG_VNC_WS
+ Buffer ws_input;
+ Buffer ws_output;
+#endif
/* current output mode information */
VncWritePixels *write_pixels;
- DisplaySurface clientds;
+ PixelFormat client_pf;
+ pixman_format_code_t client_format;
+ bool client_be;
CaptureVoiceOut *audio_cap;
struct audsettings as;
QEMUPutLEDEntry *led;
bool abort;
-#ifndef CONFIG_VNC_THREAD
- VncJob job;
-#else
+ bool initialized;
QemuMutex output_mutex;
-#endif
+ QEMUBH *bh;
+ Buffer jobs_buffer;
/* Encoding specific, if you add something here, don't forget to
* update vnc_async_encoding_start()
VncTight tight;
VncZlib zlib;
VncHextile hextile;
-
+ VncZrle zrle;
+ VncZywrle zywrle;
Notifier mouse_mode_notifier;
#define VNC_ENCODING_EXT_KEY_EVENT 0XFFFFFEFE /* -258 */
#define VNC_ENCODING_AUDIO 0XFFFFFEFD /* -259 */
#define VNC_ENCODING_TIGHT_PNG 0xFFFFFEFC /* -260 */
+#define VNC_ENCODING_LED_STATE 0XFFFFFEFB /* -261 */
#define VNC_ENCODING_WMVi 0x574D5669
/*****************************************************************************
#define VNC_FEATURE_COPYRECT 6
#define VNC_FEATURE_RICH_CURSOR 7
#define VNC_FEATURE_TIGHT_PNG 8
+#define VNC_FEATURE_ZRLE 9
+#define VNC_FEATURE_ZYWRLE 10
+#define VNC_FEATURE_LED_STATE 11
#define VNC_FEATURE_RESIZE_MASK (1 << VNC_FEATURE_RESIZE)
#define VNC_FEATURE_HEXTILE_MASK (1 << VNC_FEATURE_HEXTILE)
#define VNC_FEATURE_COPYRECT_MASK (1 << VNC_FEATURE_COPYRECT)
#define VNC_FEATURE_RICH_CURSOR_MASK (1 << VNC_FEATURE_RICH_CURSOR)
#define VNC_FEATURE_TIGHT_PNG_MASK (1 << VNC_FEATURE_TIGHT_PNG)
+#define VNC_FEATURE_ZRLE_MASK (1 << VNC_FEATURE_ZRLE)
+#define VNC_FEATURE_ZYWRLE_MASK (1 << VNC_FEATURE_ZYWRLE)
+#define VNC_FEATURE_LED_STATE_MASK (1 << VNC_FEATURE_LED_STATE)
/* Client -> Server message IDs */
void vnc_write_u8(VncState *vs, uint8_t value);
void vnc_flush(VncState *vs);
void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting);
+void vnc_disconnect_finish(VncState *vs);
+void vnc_init_state(VncState *vs);
/* Buffer I/O functions */
-uint8_t read_u8(uint8_t *data, size_t offset);
-uint16_t read_u16(uint8_t *data, size_t offset);
-int32_t read_s32(uint8_t *data, size_t offset);
uint32_t read_u32(uint8_t *data, size_t offset);
/* Protocol stage functions */
/* Buffer management */
void buffer_reserve(Buffer *buffer, size_t len);
-int buffer_empty(Buffer *buffer);
-uint8_t *buffer_end(Buffer *buffer);
void buffer_reset(Buffer *buffer);
void buffer_free(Buffer *buffer);
void buffer_append(Buffer *buffer, const void *data, size_t len);
+void buffer_advance(Buffer *buf, size_t len);
+uint8_t *buffer_end(Buffer *buffer);
/* Misc helpers */
void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h,
int32_t encoding);
+/* server fb is in PIXMAN_x8r8g8b8 */
+#define VNC_SERVER_FB_FORMAT PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 0, 8, 8, 8)
+#define VNC_SERVER_FB_BITS (PIXMAN_FORMAT_BPP(VNC_SERVER_FB_FORMAT))
+#define VNC_SERVER_FB_BYTES ((VNC_SERVER_FB_BITS+7)/8)
+
+void *vnc_server_fb_ptr(VncDisplay *vd, int x, int y);
+int vnc_server_fb_stride(VncDisplay *vd);
+
void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v);
+double vnc_update_freq(VncState *vs, int x, int y, int w, int h);
+void vnc_sent_lossy_rect(VncState *vs, int x, int y, int w, int h);
/* Encodings */
int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h);
int w, int h);
void vnc_tight_clear(VncState *vs);
+int vnc_zrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h);
+int vnc_zywrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h);
+void vnc_zrle_clear(VncState *vs);
+
#endif /* __QEMU_VNC_H */
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