uint32_t *last_fg,
int *has_bg, int *has_fg);
+#define VNC_MAX_WIDTH 2048
+#define VNC_MAX_HEIGHT 2048
+#define VNC_DIRTY_WORDS (VNC_MAX_WIDTH / (16 * 32))
+
struct VncState
{
QEMUTimer *timer;
int need_update;
int width;
int height;
- uint64_t dirty_row[768];
+ uint32_t dirty_row[VNC_MAX_HEIGHT][VNC_DIRTY_WORDS];
char *old_data;
int depth; /* internal VNC frame buffer byte per pixel */
int has_resize;
int has_hextile;
+ int has_pointer_type_change;
+ int absolute;
+ int last_x;
+ int last_y;
+
+ const char *display;
+
Buffer output;
Buffer input;
kbd_layout_t *kbd_layout;
VncReadEvent *read_handler;
size_t read_handler_expect;
+ /* input */
+ uint8_t modifiers_state[256];
};
+static VncState *vnc_state; /* needed for info vnc */
+
+void do_info_vnc(void)
+{
+ if (vnc_state == NULL)
+ term_printf("VNC server disabled\n");
+ else {
+ term_printf("VNC server active on: ");
+ term_print_filename(vnc_state->display);
+ term_printf("\n");
+
+ if (vnc_state->csock == -1)
+ term_printf("No client connected\n");
+ else
+ term_printf("Client connected\n");
+ }
+}
+
/* TODO
1) Get the queue working for IO.
2) there is some weirdness when using the -S option (the screen is grey
static void vnc_update_client(void *opaque);
static void vnc_client_read(void *opaque);
+static inline void vnc_set_bit(uint32_t *d, int k)
+{
+ d[k >> 5] |= 1 << (k & 0x1f);
+}
+
+static inline void vnc_clear_bit(uint32_t *d, int k)
+{
+ d[k >> 5] &= ~(1 << (k & 0x1f));
+}
+
+static inline void vnc_set_bits(uint32_t *d, int n, int nb_words)
+{
+ int j;
+
+ j = 0;
+ while (n >= 32) {
+ d[j++] = -1;
+ n -= 32;
+ }
+ if (n > 0)
+ d[j++] = (1 << n) - 1;
+ while (j < nb_words)
+ d[j++] = 0;
+}
+
+static inline int vnc_get_bit(const uint32_t *d, int k)
+{
+ return (d[k >> 5] >> (k & 0x1f)) & 1;
+}
+
+static inline int vnc_and_bits(const uint32_t *d1, const uint32_t *d2,
+ int nb_words)
+{
+ int i;
+ for(i = 0; i < nb_words; i++) {
+ if ((d1[i] & d2[i]) != 0)
+ return 1;
+ }
+ return 0;
+}
+
static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h)
{
VncState *vs = ds->opaque;
for (; y < h; y++)
for (i = 0; i < w; i += 16)
- vs->dirty_row[y] |= (1ULL << ((x + i) / 16));
+ vnc_set_bit(vs->dirty_row[y], (x + i) / 16);
}
static void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h,
static void vnc_dpy_resize(DisplayState *ds, int w, int h)
{
+ int size_changed;
VncState *vs = ds->opaque;
ds->data = realloc(ds->data, w * h * vs->depth);
}
ds->depth = vs->depth * 8;
+ size_changed = ds->width != w || ds->height != h;
ds->width = w;
ds->height = h;
ds->linesize = w * vs->depth;
- if (vs->csock != -1 && vs->has_resize) {
+ if (vs->csock != -1 && vs->has_resize && size_changed) {
vnc_write_u8(vs, 0); /* msg id */
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1); /* number of rects */
for (h = 1; h < (vs->height - y); h++) {
int tmp_x;
- if (!(vs->dirty_row[y + h] & (1ULL << last_x)))
+ if (!vnc_get_bit(vs->dirty_row[y + h], last_x))
break;
for (tmp_x = last_x; tmp_x < x; tmp_x++)
- vs->dirty_row[y + h] &= ~(1ULL << tmp_x);
+ vnc_clear_bit(vs->dirty_row[y + h], tmp_x);
}
return h;
int y;
char *row;
char *old_row;
- uint64_t width_mask;
+ uint32_t width_mask[VNC_DIRTY_WORDS];
int n_rectangles;
int saved_offset;
int has_dirty = 0;
- width_mask = (1ULL << (vs->width / 16)) - 1;
-
- if (vs->width == 1024)
- width_mask = ~(0ULL);
+ vnc_set_bits(width_mask, (vs->width / 16), VNC_DIRTY_WORDS);
/* Walk through the dirty map and eliminate tiles that
really aren't dirty */
old_row = vs->old_data;
for (y = 0; y < vs->height; y++) {
- if (vs->dirty_row[y] & width_mask) {
+ if (vnc_and_bits(vs->dirty_row[y], width_mask, VNC_DIRTY_WORDS)) {
int x;
char *ptr, *old_ptr;
for (x = 0; x < vs->ds->width; x += 16) {
if (memcmp(old_ptr, ptr, 16 * vs->depth) == 0) {
- vs->dirty_row[y] &= ~(1ULL << (x / 16));
+ vnc_clear_bit(vs->dirty_row[y], (x / 16));
} else {
has_dirty = 1;
memcpy(old_ptr, ptr, 16 * vs->depth);
int x;
int last_x = -1;
for (x = 0; x < vs->width / 16; x++) {
- if (vs->dirty_row[y] & (1ULL << x)) {
+ if (vnc_get_bit(vs->dirty_row[y], x)) {
if (last_x == -1) {
last_x = x;
}
- vs->dirty_row[y] &= ~(1ULL << x);
+ vnc_clear_bit(vs->dirty_row[y], x);
} else {
if (last_x != -1) {
int h = find_dirty_height(vs, y, last_x, x);
static void vnc_write_u16(VncState *vs, uint16_t value)
{
- char buf[2];
+ uint8_t buf[2];
buf[0] = (value >> 8) & 0xFF;
buf[1] = value & 0xFF;
vnc_client_write(vs);
}
-static uint8_t read_u8(char *data, size_t offset)
+static uint8_t read_u8(uint8_t *data, size_t offset)
{
return data[offset];
}
-static uint16_t read_u16(char *data, size_t offset)
+static uint16_t read_u16(uint8_t *data, size_t offset)
{
return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF);
}
-static int32_t read_s32(char *data, size_t offset)
+static int32_t read_s32(uint8_t *data, size_t offset)
{
return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) |
(data[offset + 2] << 8) | data[offset + 3]);
}
-static uint32_t read_u32(char *data, size_t offset)
+static uint32_t read_u32(uint8_t *data, size_t offset)
{
return ((data[offset] << 24) | (data[offset + 1] << 16) |
(data[offset + 2] << 8) | data[offset + 3]);
{
}
+static void check_pointer_type_change(VncState *vs, int absolute)
+{
+ if (vs->has_pointer_type_change && vs->absolute != absolute) {
+ vnc_write_u8(vs, 0);
+ vnc_write_u8(vs, 0);
+ vnc_write_u16(vs, 1);
+ vnc_framebuffer_update(vs, absolute, 0,
+ vs->ds->width, vs->ds->height, -257);
+ vnc_flush(vs);
+ }
+ vs->absolute = absolute;
+}
+
static void pointer_event(VncState *vs, int button_mask, int x, int y)
{
int buttons = 0;
dz = -1;
if (button_mask & 0x10)
dz = 1;
-
- if (kbd_mouse_is_absolute()) {
+
+ if (vs->absolute) {
kbd_mouse_event(x * 0x7FFF / vs->ds->width,
y * 0x7FFF / vs->ds->height,
dz, buttons);
+ } else if (vs->has_pointer_type_change) {
+ x -= 0x7FFF;
+ y -= 0x7FFF;
+
+ kbd_mouse_event(x, y, dz, buttons);
} else {
- static int last_x = -1;
- static int last_y = -1;
+ if (vs->last_x != -1)
+ kbd_mouse_event(x - vs->last_x,
+ y - vs->last_y,
+ dz, buttons);
+ vs->last_x = x;
+ vs->last_y = y;
+ }
- if (last_x != -1)
- kbd_mouse_event(x - last_x, y - last_y, dz, buttons);
+ check_pointer_type_change(vs, kbd_mouse_is_absolute());
+}
- last_x = x;
- last_y = y;
+static void reset_keys(VncState *vs)
+{
+ int i;
+ for(i = 0; i < 256; i++) {
+ if (vs->modifiers_state[i]) {
+ if (i & 0x80)
+ kbd_put_keycode(0xe0);
+ kbd_put_keycode(i | 0x80);
+ vs->modifiers_state[i] = 0;
+ }
}
}
int keycode;
keycode = keysym2scancode(vs->kbd_layout, sym & 0xFFFF);
+
+ /* QEMU console switch */
+ switch(keycode) {
+ case 0x2a: /* Left Shift */
+ case 0x36: /* Right Shift */
+ case 0x1d: /* Left CTRL */
+ case 0x9d: /* Right CTRL */
+ case 0x38: /* Left ALT */
+ case 0xb8: /* Right ALT */
+ if (down)
+ vs->modifiers_state[keycode] = 1;
+ else
+ vs->modifiers_state[keycode] = 0;
+ break;
+ case 0x02 ... 0x0a: /* '1' to '9' keys */
+ if (down && vs->modifiers_state[0x1d] && vs->modifiers_state[0x38]) {
+ /* Reset the modifiers sent to the current console */
+ reset_keys(vs);
+ console_select(keycode - 0x02);
+ return;
+ }
+ break;
+ }
- if (keycode & 0x80)
- kbd_put_keycode(0xe0);
- if (down)
- kbd_put_keycode(keycode & 0x7f);
- else
- kbd_put_keycode(keycode | 0x80);
+ if (is_graphic_console()) {
+ if (keycode & 0x80)
+ kbd_put_keycode(0xe0);
+ if (down)
+ kbd_put_keycode(keycode & 0x7f);
+ else
+ kbd_put_keycode(keycode | 0x80);
+ } else {
+ /* QEMU console emulation */
+ if (down) {
+ switch (keycode) {
+ case 0x2a: /* Left Shift */
+ case 0x36: /* Right Shift */
+ case 0x1d: /* Left CTRL */
+ case 0x9d: /* Right CTRL */
+ case 0x38: /* Left ALT */
+ case 0xb8: /* Right ALT */
+ break;
+ case 0xc8:
+ kbd_put_keysym(QEMU_KEY_UP);
+ break;
+ case 0xd0:
+ kbd_put_keysym(QEMU_KEY_DOWN);
+ break;
+ case 0xcb:
+ kbd_put_keysym(QEMU_KEY_LEFT);
+ break;
+ case 0xcd:
+ kbd_put_keysym(QEMU_KEY_RIGHT);
+ break;
+ case 0xd3:
+ kbd_put_keysym(QEMU_KEY_DELETE);
+ break;
+ case 0xc7:
+ kbd_put_keysym(QEMU_KEY_HOME);
+ break;
+ case 0xcf:
+ kbd_put_keysym(QEMU_KEY_END);
+ break;
+ case 0xc9:
+ kbd_put_keysym(QEMU_KEY_PAGEUP);
+ break;
+ case 0xd1:
+ kbd_put_keysym(QEMU_KEY_PAGEDOWN);
+ break;
+ default:
+ kbd_put_keysym(sym);
+ break;
+ }
+ }
+ }
}
static void key_event(VncState *vs, int down, uint32_t sym)
char *old_row = vs->old_data + y_position * vs->ds->linesize;
for (i = 0; i < h; i++) {
- vs->dirty_row[y_position + i] = (1ULL << (vs->ds->width / 16)) - 1;
- if (vs->ds->width == 1024) {
- vs->dirty_row[y_position + i] = ~(0ULL);
- }
+ vnc_set_bits(vs->dirty_row[y_position + i],
+ (vs->ds->width / 16), VNC_DIRTY_WORDS);
memset(old_row, 42, vs->ds->width * vs->depth);
old_row += vs->ds->linesize;
}
vs->has_hextile = 0;
vs->has_resize = 0;
+ vs->has_pointer_type_change = 0;
+ vs->absolute = -1;
vs->ds->dpy_copy = NULL;
for (i = n_encodings - 1; i >= 0; i--) {
case -223: /* DesktopResize */
vs->has_resize = 1;
break;
+ case -257:
+ vs->has_pointer_type_change = 1;
+ break;
default:
break;
}
}
+
+ check_pointer_type_change(vs, kbd_mouse_is_absolute());
}
static int compute_nbits(unsigned int val)
static int protocol_client_init(VncState *vs, char *data, size_t len)
{
char pad[3] = { 0, 0, 0 };
+ char buf[1024];
+ int size;
vs->width = vs->ds->width;
vs->height = vs->ds->height;
vnc_write(vs, pad, 3); /* padding */
- vnc_write_u32(vs, 4);
- vnc_write(vs, "QEMU", 4);
+ if (qemu_name)
+ size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name);
+ else
+ size = snprintf(buf, sizeof(buf), "QEMU");
+
+ vnc_write_u32(vs, size);
+ vnc_write(vs, buf, size);
vnc_flush(vs);
vnc_read_when(vs, protocol_client_msg, 1);
}
}
-void vnc_display_init(DisplayState *ds, int display)
+extern int parse_host_port(struct sockaddr_in *saddr, const char *str);
+
+void vnc_display_init(DisplayState *ds, const char *arg)
{
- struct sockaddr_in addr;
+ struct sockaddr *addr;
+ struct sockaddr_in iaddr;
+#ifndef _WIN32
+ struct sockaddr_un uaddr;
+#endif
int reuse_addr, ret;
+ socklen_t addrlen;
+ const char *p;
VncState *vs;
vs = qemu_mallocz(sizeof(VncState));
exit(1);
ds->opaque = vs;
+ vnc_state = vs;
+ vs->display = arg;
vs->lsock = -1;
vs->csock = -1;
vs->depth = 4;
+ vs->last_x = -1;
+ vs->last_y = -1;
vs->ds = ds;
if (!vs->kbd_layout)
exit(1);
- vs->lsock = socket(PF_INET, SOCK_STREAM, 0);
- if (vs->lsock == -1) {
- fprintf(stderr, "Could not create socket\n");
- exit(1);
- }
+ vs->ds->data = NULL;
+ vs->ds->dpy_update = vnc_dpy_update;
+ vs->ds->dpy_resize = vnc_dpy_resize;
+ vs->ds->dpy_refresh = vnc_dpy_refresh;
+
+ memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
- addr.sin_family = AF_INET;
- addr.sin_port = htons(5900 + display);
- memset(&addr.sin_addr, 0, sizeof(addr.sin_addr));
+ vnc_dpy_resize(vs->ds, 640, 400);
- reuse_addr = 1;
- ret = setsockopt(vs->lsock, SOL_SOCKET, SO_REUSEADDR,
- (const char *)&reuse_addr, sizeof(reuse_addr));
- if (ret == -1) {
- fprintf(stderr, "setsockopt() failed\n");
- exit(1);
+#ifndef _WIN32
+ if (strstart(arg, "unix:", &p)) {
+ addr = (struct sockaddr *)&uaddr;
+ addrlen = sizeof(uaddr);
+
+ vs->lsock = socket(PF_UNIX, SOCK_STREAM, 0);
+ if (vs->lsock == -1) {
+ fprintf(stderr, "Could not create socket\n");
+ exit(1);
+ }
+
+ uaddr.sun_family = AF_UNIX;
+ memset(uaddr.sun_path, 0, 108);
+ snprintf(uaddr.sun_path, 108, "%s", p);
+
+ unlink(uaddr.sun_path);
+ } else
+#endif
+ {
+ addr = (struct sockaddr *)&iaddr;
+ addrlen = sizeof(iaddr);
+
+ vs->lsock = socket(PF_INET, SOCK_STREAM, 0);
+ if (vs->lsock == -1) {
+ fprintf(stderr, "Could not create socket\n");
+ exit(1);
+ }
+
+ if (parse_host_port(&iaddr, arg) < 0) {
+ fprintf(stderr, "Could not parse VNC address\n");
+ exit(1);
+ }
+
+ iaddr.sin_port = htons(ntohs(iaddr.sin_port) + 5900);
+
+ reuse_addr = 1;
+ ret = setsockopt(vs->lsock, SOL_SOCKET, SO_REUSEADDR,
+ (const char *)&reuse_addr, sizeof(reuse_addr));
+ if (ret == -1) {
+ fprintf(stderr, "setsockopt() failed\n");
+ exit(1);
+ }
}
- if (bind(vs->lsock, (struct sockaddr *)&addr, sizeof(addr)) == -1) {
+ if (bind(vs->lsock, addr, addrlen) == -1) {
fprintf(stderr, "bind() failed\n");
exit(1);
}
if (ret == -1) {
exit(1);
}
-
- vs->ds->data = NULL;
- vs->ds->dpy_update = vnc_dpy_update;
- vs->ds->dpy_resize = vnc_dpy_resize;
- vs->ds->dpy_refresh = vnc_dpy_refresh;
-
- memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
-
- vnc_dpy_resize(vs->ds, 640, 400);
}