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1 | 7d510b8c | bellard | /*
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2 | 7d510b8c | bellard | * QEMU VNC display driver
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3 | 7d510b8c | bellard | *
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4 | 7d510b8c | bellard | * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws>
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5 | 7d510b8c | bellard | * Copyright (C) 2006 Fabrice Bellard
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6 | 7d510b8c | bellard | *
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7 | 7d510b8c | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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8 | 7d510b8c | bellard | * of this software and associated documentation files (the "Software"), to deal
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9 | 7d510b8c | bellard | * in the Software without restriction, including without limitation the rights
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10 | 7d510b8c | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 | 7d510b8c | bellard | * copies of the Software, and to permit persons to whom the Software is
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12 | 7d510b8c | bellard | * furnished to do so, subject to the following conditions:
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13 | 7d510b8c | bellard | *
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14 | 7d510b8c | bellard | * The above copyright notice and this permission notice shall be included in
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15 | 7d510b8c | bellard | * all copies or substantial portions of the Software.
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16 | 7d510b8c | bellard | *
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17 | 7d510b8c | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 | 7d510b8c | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 | 7d510b8c | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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20 | 7d510b8c | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 | 7d510b8c | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 | 7d510b8c | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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23 | 7d510b8c | bellard | * THE SOFTWARE.
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24 | 7d510b8c | bellard | */
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25 | 7d510b8c | bellard | |
26 | 24236869 | bellard | #include "vl.h" |
27 | 6ca957f0 | bellard | #include "qemu_socket.h" |
28 | 24236869 | bellard | |
29 | 24236869 | bellard | #define VNC_REFRESH_INTERVAL (1000 / 30) |
30 | 24236869 | bellard | |
31 | 24236869 | bellard | #include "vnc_keysym.h" |
32 | 24236869 | bellard | #include "keymaps.c" |
33 | 24236869 | bellard | |
34 | 24236869 | bellard | typedef struct Buffer |
35 | 24236869 | bellard | { |
36 | 24236869 | bellard | size_t capacity; |
37 | 24236869 | bellard | size_t offset; |
38 | 24236869 | bellard | char *buffer;
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39 | 24236869 | bellard | } Buffer; |
40 | 24236869 | bellard | |
41 | 24236869 | bellard | typedef struct VncState VncState; |
42 | 24236869 | bellard | |
43 | 24236869 | bellard | typedef int VncReadEvent(VncState *vs, char *data, size_t len); |
44 | 24236869 | bellard | |
45 | 24236869 | bellard | struct VncState
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46 | 24236869 | bellard | { |
47 | 24236869 | bellard | QEMUTimer *timer; |
48 | 24236869 | bellard | int lsock;
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49 | 24236869 | bellard | int csock;
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50 | 24236869 | bellard | DisplayState *ds; |
51 | 24236869 | bellard | int need_update;
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52 | 24236869 | bellard | int width;
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53 | 24236869 | bellard | int height;
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54 | 24236869 | bellard | uint64_t dirty_row[768];
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55 | 24236869 | bellard | char *old_data;
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56 | 24236869 | bellard | int depth;
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57 | 24236869 | bellard | int has_resize;
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58 | 24236869 | bellard | int has_hextile;
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59 | 24236869 | bellard | Buffer output; |
60 | 24236869 | bellard | Buffer input; |
61 | 24236869 | bellard | kbd_layout_t *kbd_layout; |
62 | 24236869 | bellard | |
63 | 24236869 | bellard | VncReadEvent *read_handler; |
64 | 24236869 | bellard | size_t read_handler_expect; |
65 | 24236869 | bellard | }; |
66 | 24236869 | bellard | |
67 | 24236869 | bellard | /* TODO
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68 | 24236869 | bellard | 1) Get the queue working for IO.
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69 | 24236869 | bellard | 2) there is some weirdness when using the -S option (the screen is grey
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70 | 24236869 | bellard | and not totally invalidated
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71 | 24236869 | bellard | 3) resolutions > 1024
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72 | 24236869 | bellard | */
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73 | 24236869 | bellard | |
74 | 24236869 | bellard | static void vnc_write(VncState *vs, const void *data, size_t len); |
75 | 24236869 | bellard | static void vnc_write_u32(VncState *vs, uint32_t value); |
76 | 24236869 | bellard | static void vnc_write_s32(VncState *vs, int32_t value); |
77 | 24236869 | bellard | static void vnc_write_u16(VncState *vs, uint16_t value); |
78 | 24236869 | bellard | static void vnc_write_u8(VncState *vs, uint8_t value); |
79 | 24236869 | bellard | static void vnc_flush(VncState *vs); |
80 | 24236869 | bellard | static void vnc_update_client(void *opaque); |
81 | 24236869 | bellard | static void vnc_client_read(void *opaque); |
82 | 24236869 | bellard | |
83 | 24236869 | bellard | static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h) |
84 | 24236869 | bellard | { |
85 | 24236869 | bellard | VncState *vs = ds->opaque; |
86 | 24236869 | bellard | int i;
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87 | 24236869 | bellard | |
88 | 24236869 | bellard | h += y; |
89 | 24236869 | bellard | |
90 | 24236869 | bellard | for (; y < h; y++)
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91 | 24236869 | bellard | for (i = 0; i < w; i += 16) |
92 | 24236869 | bellard | vs->dirty_row[y] |= (1ULL << ((x + i) / 16)); |
93 | 24236869 | bellard | } |
94 | 24236869 | bellard | |
95 | 24236869 | bellard | static void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, |
96 | 24236869 | bellard | int32_t encoding) |
97 | 24236869 | bellard | { |
98 | 24236869 | bellard | vnc_write_u16(vs, x); |
99 | 24236869 | bellard | vnc_write_u16(vs, y); |
100 | 24236869 | bellard | vnc_write_u16(vs, w); |
101 | 24236869 | bellard | vnc_write_u16(vs, h); |
102 | 24236869 | bellard | |
103 | 24236869 | bellard | vnc_write_s32(vs, encoding); |
104 | 24236869 | bellard | } |
105 | 24236869 | bellard | |
106 | 24236869 | bellard | static void vnc_dpy_resize(DisplayState *ds, int w, int h) |
107 | 24236869 | bellard | { |
108 | 24236869 | bellard | VncState *vs = ds->opaque; |
109 | 24236869 | bellard | |
110 | 24236869 | bellard | ds->data = realloc(ds->data, w * h * vs->depth); |
111 | 24236869 | bellard | vs->old_data = realloc(vs->old_data, w * h * vs->depth); |
112 | 24236869 | bellard | |
113 | 24236869 | bellard | if (ds->data == NULL || vs->old_data == NULL) { |
114 | 24236869 | bellard | fprintf(stderr, "vnc: memory allocation failed\n");
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115 | 24236869 | bellard | exit(1);
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116 | 24236869 | bellard | } |
117 | 24236869 | bellard | |
118 | 24236869 | bellard | ds->depth = vs->depth * 8;
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119 | 24236869 | bellard | ds->width = w; |
120 | 24236869 | bellard | ds->height = h; |
121 | 24236869 | bellard | ds->linesize = w * vs->depth; |
122 | 24236869 | bellard | if (vs->csock != -1 && vs->has_resize) { |
123 | 24236869 | bellard | vnc_write_u8(vs, 0); /* msg id */ |
124 | 24236869 | bellard | vnc_write_u8(vs, 0);
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125 | 24236869 | bellard | vnc_write_u16(vs, 1); /* number of rects */ |
126 | 24236869 | bellard | vnc_framebuffer_update(vs, 0, 0, ds->width, ds->height, -223); |
127 | 24236869 | bellard | vnc_flush(vs); |
128 | 24236869 | bellard | vs->width = ds->width; |
129 | 24236869 | bellard | vs->height = ds->height; |
130 | 24236869 | bellard | } |
131 | 24236869 | bellard | } |
132 | 24236869 | bellard | |
133 | 24236869 | bellard | static void send_framebuffer_update_raw(VncState *vs, int x, int y, int w, int h) |
134 | 24236869 | bellard | { |
135 | 24236869 | bellard | int i;
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136 | 24236869 | bellard | char *row;
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137 | 24236869 | bellard | |
138 | 24236869 | bellard | vnc_framebuffer_update(vs, x, y, w, h, 0);
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139 | 24236869 | bellard | |
140 | 24236869 | bellard | row = vs->ds->data + y * vs->ds->linesize + x * vs->depth; |
141 | 24236869 | bellard | for (i = 0; i < h; i++) { |
142 | 24236869 | bellard | vnc_write(vs, row, w * vs->depth); |
143 | 24236869 | bellard | row += vs->ds->linesize; |
144 | 24236869 | bellard | } |
145 | 24236869 | bellard | } |
146 | 24236869 | bellard | |
147 | 24236869 | bellard | static void hextile_enc_cord(uint8_t *ptr, int x, int y, int w, int h) |
148 | 24236869 | bellard | { |
149 | 24236869 | bellard | ptr[0] = ((x & 0x0F) << 4) | (y & 0x0F); |
150 | 24236869 | bellard | ptr[1] = (((w - 1) & 0x0F) << 4) | ((h - 1) & 0x0F); |
151 | 24236869 | bellard | } |
152 | 24236869 | bellard | |
153 | 24236869 | bellard | #define BPP 8 |
154 | 24236869 | bellard | #include "vnchextile.h" |
155 | 24236869 | bellard | #undef BPP
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156 | 24236869 | bellard | |
157 | 24236869 | bellard | #define BPP 16 |
158 | 24236869 | bellard | #include "vnchextile.h" |
159 | 24236869 | bellard | #undef BPP
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160 | 24236869 | bellard | |
161 | 24236869 | bellard | #define BPP 32 |
162 | 24236869 | bellard | #include "vnchextile.h" |
163 | 24236869 | bellard | #undef BPP
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164 | 24236869 | bellard | |
165 | 24236869 | bellard | static void send_framebuffer_update_hextile(VncState *vs, int x, int y, int w, int h) |
166 | 24236869 | bellard | { |
167 | 24236869 | bellard | int i, j;
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168 | 24236869 | bellard | int has_fg, has_bg;
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169 | 24236869 | bellard | uint32_t last_fg32, last_bg32; |
170 | 24236869 | bellard | uint16_t last_fg16, last_bg16; |
171 | 24236869 | bellard | uint8_t last_fg8, last_bg8; |
172 | 24236869 | bellard | |
173 | 24236869 | bellard | vnc_framebuffer_update(vs, x, y, w, h, 5);
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174 | 24236869 | bellard | |
175 | 24236869 | bellard | has_fg = has_bg = 0;
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176 | 24236869 | bellard | for (j = y; j < (y + h); j += 16) { |
177 | 24236869 | bellard | for (i = x; i < (x + w); i += 16) { |
178 | 24236869 | bellard | switch (vs->depth) {
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179 | 24236869 | bellard | case 1: |
180 | 24236869 | bellard | send_hextile_tile_8(vs, i, j, MIN(16, x + w - i), MIN(16, y + h - j), |
181 | 24236869 | bellard | &last_bg8, &last_fg8, &has_bg, &has_fg); |
182 | 24236869 | bellard | break;
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183 | 24236869 | bellard | case 2: |
184 | 24236869 | bellard | send_hextile_tile_16(vs, i, j, MIN(16, x + w - i), MIN(16, y + h - j), |
185 | 24236869 | bellard | &last_bg16, &last_fg16, &has_bg, &has_fg); |
186 | 24236869 | bellard | break;
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187 | 24236869 | bellard | case 4: |
188 | 24236869 | bellard | send_hextile_tile_32(vs, i, j, MIN(16, x + w - i), MIN(16, y + h - j), |
189 | 24236869 | bellard | &last_bg32, &last_fg32, &has_bg, &has_fg); |
190 | 24236869 | bellard | break;
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191 | 24236869 | bellard | default:
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192 | 24236869 | bellard | break;
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193 | 24236869 | bellard | } |
194 | 24236869 | bellard | } |
195 | 24236869 | bellard | } |
196 | 24236869 | bellard | } |
197 | 24236869 | bellard | |
198 | 24236869 | bellard | static void send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
199 | 24236869 | bellard | { |
200 | 24236869 | bellard | if (vs->has_hextile)
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201 | 24236869 | bellard | send_framebuffer_update_hextile(vs, x, y, w, h); |
202 | 24236869 | bellard | else
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203 | 24236869 | bellard | send_framebuffer_update_raw(vs, x, y, w, h); |
204 | 24236869 | bellard | } |
205 | 24236869 | bellard | |
206 | 24236869 | bellard | static void vnc_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int dst_y, int w, int h) |
207 | 24236869 | bellard | { |
208 | 24236869 | bellard | int src, dst;
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209 | 24236869 | bellard | char *src_row;
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210 | 24236869 | bellard | char *dst_row;
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211 | 24236869 | bellard | char *old_row;
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212 | 24236869 | bellard | int y = 0; |
213 | 24236869 | bellard | int pitch = ds->linesize;
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214 | 24236869 | bellard | VncState *vs = ds->opaque; |
215 | 24236869 | bellard | |
216 | 24236869 | bellard | vnc_update_client(vs); |
217 | 24236869 | bellard | |
218 | 24236869 | bellard | if (dst_y > src_y) {
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219 | 24236869 | bellard | y = h - 1;
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220 | 24236869 | bellard | pitch = -pitch; |
221 | 24236869 | bellard | } |
222 | 24236869 | bellard | |
223 | 24236869 | bellard | src = (ds->linesize * (src_y + y) + vs->depth * src_x); |
224 | 24236869 | bellard | dst = (ds->linesize * (dst_y + y) + vs->depth * dst_x); |
225 | 24236869 | bellard | |
226 | 24236869 | bellard | src_row = ds->data + src; |
227 | 24236869 | bellard | dst_row = ds->data + dst; |
228 | 24236869 | bellard | old_row = vs->old_data + dst; |
229 | 24236869 | bellard | |
230 | 24236869 | bellard | for (y = 0; y < h; y++) { |
231 | 24236869 | bellard | memmove(old_row, src_row, w * vs->depth); |
232 | 24236869 | bellard | memmove(dst_row, src_row, w * vs->depth); |
233 | 24236869 | bellard | src_row += pitch; |
234 | 24236869 | bellard | dst_row += pitch; |
235 | 24236869 | bellard | old_row += pitch; |
236 | 24236869 | bellard | } |
237 | 24236869 | bellard | |
238 | 24236869 | bellard | vnc_write_u8(vs, 0); /* msg id */ |
239 | 24236869 | bellard | vnc_write_u8(vs, 0);
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240 | 24236869 | bellard | vnc_write_u16(vs, 1); /* number of rects */ |
241 | 24236869 | bellard | vnc_framebuffer_update(vs, dst_x, dst_y, w, h, 1);
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242 | 24236869 | bellard | vnc_write_u16(vs, src_x); |
243 | 24236869 | bellard | vnc_write_u16(vs, src_y); |
244 | 24236869 | bellard | vnc_flush(vs); |
245 | 24236869 | bellard | } |
246 | 24236869 | bellard | |
247 | 24236869 | bellard | static int find_dirty_height(VncState *vs, int y, int last_x, int x) |
248 | 24236869 | bellard | { |
249 | 24236869 | bellard | int h;
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250 | 24236869 | bellard | |
251 | 24236869 | bellard | for (h = 1; h < (vs->height - y); h++) { |
252 | 24236869 | bellard | int tmp_x;
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253 | 24236869 | bellard | if (!(vs->dirty_row[y + h] & (1ULL << last_x))) |
254 | 24236869 | bellard | break;
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255 | 24236869 | bellard | for (tmp_x = last_x; tmp_x < x; tmp_x++)
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256 | 24236869 | bellard | vs->dirty_row[y + h] &= ~(1ULL << tmp_x);
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257 | 24236869 | bellard | } |
258 | 24236869 | bellard | |
259 | 24236869 | bellard | return h;
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260 | 24236869 | bellard | } |
261 | 24236869 | bellard | |
262 | 24236869 | bellard | static void vnc_update_client(void *opaque) |
263 | 24236869 | bellard | { |
264 | 24236869 | bellard | VncState *vs = opaque; |
265 | 24236869 | bellard | |
266 | 24236869 | bellard | if (vs->need_update && vs->csock != -1) { |
267 | 24236869 | bellard | int y;
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268 | 24236869 | bellard | char *row;
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269 | 24236869 | bellard | char *old_row;
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270 | 24236869 | bellard | uint64_t width_mask; |
271 | 24236869 | bellard | int n_rectangles;
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272 | 24236869 | bellard | int saved_offset;
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273 | 24236869 | bellard | int has_dirty = 0; |
274 | 24236869 | bellard | |
275 | 24236869 | bellard | width_mask = (1ULL << (vs->width / 16)) - 1; |
276 | 24236869 | bellard | |
277 | 24236869 | bellard | if (vs->width == 1024) |
278 | 24236869 | bellard | width_mask = ~(0ULL);
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279 | 24236869 | bellard | |
280 | 24236869 | bellard | /* Walk through the dirty map and eliminate tiles that
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281 | 24236869 | bellard | really aren't dirty */
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282 | 24236869 | bellard | row = vs->ds->data; |
283 | 24236869 | bellard | old_row = vs->old_data; |
284 | 24236869 | bellard | |
285 | 24236869 | bellard | for (y = 0; y < vs->height; y++) { |
286 | 24236869 | bellard | if (vs->dirty_row[y] & width_mask) {
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287 | 24236869 | bellard | int x;
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288 | 24236869 | bellard | char *ptr, *old_ptr;
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289 | 24236869 | bellard | |
290 | 24236869 | bellard | ptr = row; |
291 | 24236869 | bellard | old_ptr = old_row; |
292 | 24236869 | bellard | |
293 | 24236869 | bellard | for (x = 0; x < vs->ds->width; x += 16) { |
294 | 24236869 | bellard | if (memcmp(old_ptr, ptr, 16 * vs->depth) == 0) { |
295 | 24236869 | bellard | vs->dirty_row[y] &= ~(1ULL << (x / 16)); |
296 | 24236869 | bellard | } else {
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297 | 24236869 | bellard | has_dirty = 1;
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298 | 24236869 | bellard | memcpy(old_ptr, ptr, 16 * vs->depth);
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299 | 24236869 | bellard | } |
300 | 24236869 | bellard | |
301 | 24236869 | bellard | ptr += 16 * vs->depth;
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302 | 24236869 | bellard | old_ptr += 16 * vs->depth;
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303 | 24236869 | bellard | } |
304 | 24236869 | bellard | } |
305 | 24236869 | bellard | |
306 | 24236869 | bellard | row += vs->ds->linesize; |
307 | 24236869 | bellard | old_row += vs->ds->linesize; |
308 | 24236869 | bellard | } |
309 | 24236869 | bellard | |
310 | 24236869 | bellard | if (!has_dirty) {
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311 | 24236869 | bellard | qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL); |
312 | 24236869 | bellard | return;
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313 | 24236869 | bellard | } |
314 | 24236869 | bellard | |
315 | 24236869 | bellard | /* Count rectangles */
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316 | 24236869 | bellard | n_rectangles = 0;
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317 | 24236869 | bellard | vnc_write_u8(vs, 0); /* msg id */ |
318 | 24236869 | bellard | vnc_write_u8(vs, 0);
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319 | 24236869 | bellard | saved_offset = vs->output.offset; |
320 | 24236869 | bellard | vnc_write_u16(vs, 0);
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321 | 24236869 | bellard | |
322 | 24236869 | bellard | for (y = 0; y < vs->height; y++) { |
323 | 24236869 | bellard | int x;
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324 | 24236869 | bellard | int last_x = -1; |
325 | 24236869 | bellard | for (x = 0; x < vs->width / 16; x++) { |
326 | 24236869 | bellard | if (vs->dirty_row[y] & (1ULL << x)) { |
327 | 24236869 | bellard | if (last_x == -1) { |
328 | 24236869 | bellard | last_x = x; |
329 | 24236869 | bellard | } |
330 | 24236869 | bellard | vs->dirty_row[y] &= ~(1ULL << x);
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331 | 24236869 | bellard | } else {
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332 | 24236869 | bellard | if (last_x != -1) { |
333 | 24236869 | bellard | int h = find_dirty_height(vs, y, last_x, x);
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334 | 24236869 | bellard | send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h); |
335 | 24236869 | bellard | n_rectangles++; |
336 | 24236869 | bellard | } |
337 | 24236869 | bellard | last_x = -1;
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338 | 24236869 | bellard | } |
339 | 24236869 | bellard | } |
340 | 24236869 | bellard | if (last_x != -1) { |
341 | 24236869 | bellard | int h = find_dirty_height(vs, y, last_x, x);
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342 | 24236869 | bellard | send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h); |
343 | 24236869 | bellard | n_rectangles++; |
344 | 24236869 | bellard | } |
345 | 24236869 | bellard | } |
346 | 24236869 | bellard | vs->output.buffer[saved_offset] = (n_rectangles >> 8) & 0xFF; |
347 | 24236869 | bellard | vs->output.buffer[saved_offset + 1] = n_rectangles & 0xFF; |
348 | 24236869 | bellard | vnc_flush(vs); |
349 | 24236869 | bellard | |
350 | 24236869 | bellard | } |
351 | 24236869 | bellard | qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL); |
352 | 24236869 | bellard | } |
353 | 24236869 | bellard | |
354 | 24236869 | bellard | static void vnc_timer_init(VncState *vs) |
355 | 24236869 | bellard | { |
356 | 24236869 | bellard | if (vs->timer == NULL) { |
357 | 24236869 | bellard | vs->timer = qemu_new_timer(rt_clock, vnc_update_client, vs); |
358 | 24236869 | bellard | qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock)); |
359 | 24236869 | bellard | } |
360 | 24236869 | bellard | } |
361 | 24236869 | bellard | |
362 | 24236869 | bellard | static void vnc_dpy_refresh(DisplayState *ds) |
363 | 24236869 | bellard | { |
364 | 24236869 | bellard | VncState *vs = ds->opaque; |
365 | 24236869 | bellard | vnc_timer_init(vs); |
366 | 24236869 | bellard | vga_hw_update(); |
367 | 24236869 | bellard | } |
368 | 24236869 | bellard | |
369 | 24236869 | bellard | static int vnc_listen_poll(void *opaque) |
370 | 24236869 | bellard | { |
371 | 24236869 | bellard | VncState *vs = opaque; |
372 | 24236869 | bellard | if (vs->csock == -1) |
373 | 24236869 | bellard | return 1; |
374 | 24236869 | bellard | return 0; |
375 | 24236869 | bellard | } |
376 | 24236869 | bellard | |
377 | 24236869 | bellard | static void buffer_reserve(Buffer *buffer, size_t len) |
378 | 24236869 | bellard | { |
379 | 24236869 | bellard | if ((buffer->capacity - buffer->offset) < len) {
|
380 | 24236869 | bellard | buffer->capacity += (len + 1024);
|
381 | 24236869 | bellard | buffer->buffer = realloc(buffer->buffer, buffer->capacity); |
382 | 24236869 | bellard | if (buffer->buffer == NULL) { |
383 | 24236869 | bellard | fprintf(stderr, "vnc: out of memory\n");
|
384 | 24236869 | bellard | exit(1);
|
385 | 24236869 | bellard | } |
386 | 24236869 | bellard | } |
387 | 24236869 | bellard | } |
388 | 24236869 | bellard | |
389 | 24236869 | bellard | static int buffer_empty(Buffer *buffer) |
390 | 24236869 | bellard | { |
391 | 24236869 | bellard | return buffer->offset == 0; |
392 | 24236869 | bellard | } |
393 | 24236869 | bellard | |
394 | 24236869 | bellard | static char *buffer_end(Buffer *buffer) |
395 | 24236869 | bellard | { |
396 | 24236869 | bellard | return buffer->buffer + buffer->offset;
|
397 | 24236869 | bellard | } |
398 | 24236869 | bellard | |
399 | 24236869 | bellard | static void buffer_reset(Buffer *buffer) |
400 | 24236869 | bellard | { |
401 | 24236869 | bellard | buffer->offset = 0;
|
402 | 24236869 | bellard | } |
403 | 24236869 | bellard | |
404 | 24236869 | bellard | static void buffer_append(Buffer *buffer, const void *data, size_t len) |
405 | 24236869 | bellard | { |
406 | 24236869 | bellard | memcpy(buffer->buffer + buffer->offset, data, len); |
407 | 24236869 | bellard | buffer->offset += len; |
408 | 24236869 | bellard | } |
409 | 24236869 | bellard | |
410 | 6ca957f0 | bellard | static int vnc_client_io_error(VncState *vs, int ret, int last_errno) |
411 | 24236869 | bellard | { |
412 | 24236869 | bellard | if (ret == 0 || ret == -1) { |
413 | 6ca957f0 | bellard | if (ret == -1 && (last_errno == EINTR || last_errno == EAGAIN)) |
414 | 24236869 | bellard | return 0; |
415 | 24236869 | bellard | |
416 | 24236869 | bellard | qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL); |
417 | 6ca957f0 | bellard | closesocket(vs->csock); |
418 | 24236869 | bellard | vs->csock = -1;
|
419 | 24236869 | bellard | buffer_reset(&vs->input); |
420 | 24236869 | bellard | buffer_reset(&vs->output); |
421 | 24236869 | bellard | vs->need_update = 0;
|
422 | 24236869 | bellard | return 0; |
423 | 24236869 | bellard | } |
424 | 24236869 | bellard | return ret;
|
425 | 24236869 | bellard | } |
426 | 24236869 | bellard | |
427 | 24236869 | bellard | static void vnc_client_error(VncState *vs) |
428 | 24236869 | bellard | { |
429 | 6ca957f0 | bellard | vnc_client_io_error(vs, -1, EINVAL);
|
430 | 24236869 | bellard | } |
431 | 24236869 | bellard | |
432 | 24236869 | bellard | static void vnc_client_write(void *opaque) |
433 | 24236869 | bellard | { |
434 | ceb5caaf | bellard | long ret;
|
435 | 24236869 | bellard | VncState *vs = opaque; |
436 | 24236869 | bellard | |
437 | 6ca957f0 | bellard | ret = send(vs->csock, vs->output.buffer, vs->output.offset, 0);
|
438 | 6ca957f0 | bellard | ret = vnc_client_io_error(vs, ret, socket_error()); |
439 | 24236869 | bellard | if (!ret)
|
440 | 24236869 | bellard | return;
|
441 | 24236869 | bellard | |
442 | 24236869 | bellard | memmove(vs->output.buffer, vs->output.buffer + ret, (vs->output.offset - ret)); |
443 | 24236869 | bellard | vs->output.offset -= ret; |
444 | 24236869 | bellard | |
445 | 24236869 | bellard | if (vs->output.offset == 0) { |
446 | 24236869 | bellard | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); |
447 | 24236869 | bellard | } |
448 | 24236869 | bellard | } |
449 | 24236869 | bellard | |
450 | 24236869 | bellard | static void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting) |
451 | 24236869 | bellard | { |
452 | 24236869 | bellard | vs->read_handler = func; |
453 | 24236869 | bellard | vs->read_handler_expect = expecting; |
454 | 24236869 | bellard | } |
455 | 24236869 | bellard | |
456 | 24236869 | bellard | static void vnc_client_read(void *opaque) |
457 | 24236869 | bellard | { |
458 | 24236869 | bellard | VncState *vs = opaque; |
459 | ceb5caaf | bellard | long ret;
|
460 | 24236869 | bellard | |
461 | 24236869 | bellard | buffer_reserve(&vs->input, 4096);
|
462 | 24236869 | bellard | |
463 | 6ca957f0 | bellard | ret = recv(vs->csock, buffer_end(&vs->input), 4096, 0); |
464 | 6ca957f0 | bellard | ret = vnc_client_io_error(vs, ret, socket_error()); |
465 | 24236869 | bellard | if (!ret)
|
466 | 24236869 | bellard | return;
|
467 | 24236869 | bellard | |
468 | 24236869 | bellard | vs->input.offset += ret; |
469 | 24236869 | bellard | |
470 | 24236869 | bellard | while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) {
|
471 | 24236869 | bellard | size_t len = vs->read_handler_expect; |
472 | 24236869 | bellard | int ret;
|
473 | 24236869 | bellard | |
474 | 24236869 | bellard | ret = vs->read_handler(vs, vs->input.buffer, len); |
475 | 24236869 | bellard | if (vs->csock == -1) |
476 | 24236869 | bellard | return;
|
477 | 24236869 | bellard | |
478 | 24236869 | bellard | if (!ret) {
|
479 | 24236869 | bellard | memmove(vs->input.buffer, vs->input.buffer + len, (vs->input.offset - len)); |
480 | 24236869 | bellard | vs->input.offset -= len; |
481 | 24236869 | bellard | } else {
|
482 | 24236869 | bellard | vs->read_handler_expect = ret; |
483 | 24236869 | bellard | } |
484 | 24236869 | bellard | } |
485 | 24236869 | bellard | } |
486 | 24236869 | bellard | |
487 | 24236869 | bellard | static void vnc_write(VncState *vs, const void *data, size_t len) |
488 | 24236869 | bellard | { |
489 | 24236869 | bellard | buffer_reserve(&vs->output, len); |
490 | 24236869 | bellard | |
491 | 24236869 | bellard | if (buffer_empty(&vs->output)) {
|
492 | 24236869 | bellard | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs);
|
493 | 24236869 | bellard | } |
494 | 24236869 | bellard | |
495 | 24236869 | bellard | buffer_append(&vs->output, data, len); |
496 | 24236869 | bellard | } |
497 | 24236869 | bellard | |
498 | 24236869 | bellard | static void vnc_write_s32(VncState *vs, int32_t value) |
499 | 24236869 | bellard | { |
500 | 24236869 | bellard | vnc_write_u32(vs, *(uint32_t *)&value); |
501 | 24236869 | bellard | } |
502 | 24236869 | bellard | |
503 | 24236869 | bellard | static void vnc_write_u32(VncState *vs, uint32_t value) |
504 | 24236869 | bellard | { |
505 | 24236869 | bellard | uint8_t buf[4];
|
506 | 24236869 | bellard | |
507 | 24236869 | bellard | buf[0] = (value >> 24) & 0xFF; |
508 | 24236869 | bellard | buf[1] = (value >> 16) & 0xFF; |
509 | 24236869 | bellard | buf[2] = (value >> 8) & 0xFF; |
510 | 24236869 | bellard | buf[3] = value & 0xFF; |
511 | 24236869 | bellard | |
512 | 24236869 | bellard | vnc_write(vs, buf, 4);
|
513 | 24236869 | bellard | } |
514 | 24236869 | bellard | |
515 | 24236869 | bellard | static void vnc_write_u16(VncState *vs, uint16_t value) |
516 | 24236869 | bellard | { |
517 | 24236869 | bellard | char buf[2]; |
518 | 24236869 | bellard | |
519 | 24236869 | bellard | buf[0] = (value >> 8) & 0xFF; |
520 | 24236869 | bellard | buf[1] = value & 0xFF; |
521 | 24236869 | bellard | |
522 | 24236869 | bellard | vnc_write(vs, buf, 2);
|
523 | 24236869 | bellard | } |
524 | 24236869 | bellard | |
525 | 24236869 | bellard | static void vnc_write_u8(VncState *vs, uint8_t value) |
526 | 24236869 | bellard | { |
527 | 24236869 | bellard | vnc_write(vs, (char *)&value, 1); |
528 | 24236869 | bellard | } |
529 | 24236869 | bellard | |
530 | 24236869 | bellard | static void vnc_flush(VncState *vs) |
531 | 24236869 | bellard | { |
532 | 24236869 | bellard | if (vs->output.offset)
|
533 | 24236869 | bellard | vnc_client_write(vs); |
534 | 24236869 | bellard | } |
535 | 24236869 | bellard | |
536 | 24236869 | bellard | static uint8_t read_u8(char *data, size_t offset) |
537 | 24236869 | bellard | { |
538 | 24236869 | bellard | return data[offset];
|
539 | 24236869 | bellard | } |
540 | 24236869 | bellard | |
541 | 24236869 | bellard | static uint16_t read_u16(char *data, size_t offset) |
542 | 24236869 | bellard | { |
543 | 24236869 | bellard | return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF); |
544 | 24236869 | bellard | } |
545 | 24236869 | bellard | |
546 | 24236869 | bellard | static int32_t read_s32(char *data, size_t offset) |
547 | 24236869 | bellard | { |
548 | 24236869 | bellard | return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) | |
549 | 24236869 | bellard | (data[offset + 2] << 8) | data[offset + 3]); |
550 | 24236869 | bellard | } |
551 | 24236869 | bellard | |
552 | 24236869 | bellard | static uint32_t read_u32(char *data, size_t offset) |
553 | 24236869 | bellard | { |
554 | 24236869 | bellard | return ((data[offset] << 24) | (data[offset + 1] << 16) | |
555 | 24236869 | bellard | (data[offset + 2] << 8) | data[offset + 3]); |
556 | 24236869 | bellard | } |
557 | 24236869 | bellard | |
558 | 24236869 | bellard | static void client_cut_text(VncState *vs, size_t len, char *text) |
559 | 24236869 | bellard | { |
560 | 24236869 | bellard | } |
561 | 24236869 | bellard | |
562 | 24236869 | bellard | static void pointer_event(VncState *vs, int button_mask, int x, int y) |
563 | 24236869 | bellard | { |
564 | 24236869 | bellard | int buttons = 0; |
565 | 24236869 | bellard | int dz = 0; |
566 | 24236869 | bellard | |
567 | 24236869 | bellard | if (button_mask & 0x01) |
568 | 24236869 | bellard | buttons |= MOUSE_EVENT_LBUTTON; |
569 | 24236869 | bellard | if (button_mask & 0x02) |
570 | 24236869 | bellard | buttons |= MOUSE_EVENT_MBUTTON; |
571 | 24236869 | bellard | if (button_mask & 0x04) |
572 | 24236869 | bellard | buttons |= MOUSE_EVENT_RBUTTON; |
573 | 24236869 | bellard | if (button_mask & 0x08) |
574 | 24236869 | bellard | dz = -1;
|
575 | 24236869 | bellard | if (button_mask & 0x10) |
576 | 24236869 | bellard | dz = 1;
|
577 | 24236869 | bellard | |
578 | 24236869 | bellard | if (kbd_mouse_is_absolute()) {
|
579 | 24236869 | bellard | kbd_mouse_event(x * 0x7FFF / vs->ds->width,
|
580 | 24236869 | bellard | y * 0x7FFF / vs->ds->height,
|
581 | 24236869 | bellard | dz, buttons); |
582 | 24236869 | bellard | } else {
|
583 | 24236869 | bellard | static int last_x = -1; |
584 | 24236869 | bellard | static int last_y = -1; |
585 | 24236869 | bellard | |
586 | 24236869 | bellard | if (last_x != -1) |
587 | 24236869 | bellard | kbd_mouse_event(x - last_x, y - last_y, dz, buttons); |
588 | 24236869 | bellard | |
589 | 24236869 | bellard | last_x = x; |
590 | 24236869 | bellard | last_y = y; |
591 | 24236869 | bellard | } |
592 | 24236869 | bellard | } |
593 | 24236869 | bellard | |
594 | bdbd7676 | bellard | static void do_key_event(VncState *vs, int down, uint32_t sym) |
595 | 24236869 | bellard | { |
596 | 24236869 | bellard | int keycode;
|
597 | 24236869 | bellard | |
598 | 24236869 | bellard | keycode = keysym2scancode(vs->kbd_layout, sym & 0xFFFF);
|
599 | 24236869 | bellard | |
600 | 24236869 | bellard | if (keycode & 0x80) |
601 | 24236869 | bellard | kbd_put_keycode(0xe0);
|
602 | 24236869 | bellard | if (down)
|
603 | 24236869 | bellard | kbd_put_keycode(keycode & 0x7f);
|
604 | 24236869 | bellard | else
|
605 | 24236869 | bellard | kbd_put_keycode(keycode | 0x80);
|
606 | 24236869 | bellard | } |
607 | 24236869 | bellard | |
608 | bdbd7676 | bellard | static void key_event(VncState *vs, int down, uint32_t sym) |
609 | bdbd7676 | bellard | { |
610 | bdbd7676 | bellard | if (sym >= 'A' && sym <= 'Z') |
611 | bdbd7676 | bellard | sym = sym - 'A' + 'a'; |
612 | bdbd7676 | bellard | do_key_event(vs, down, sym); |
613 | bdbd7676 | bellard | } |
614 | bdbd7676 | bellard | |
615 | 24236869 | bellard | static void framebuffer_update_request(VncState *vs, int incremental, |
616 | 24236869 | bellard | int x_position, int y_position, |
617 | 24236869 | bellard | int w, int h) |
618 | 24236869 | bellard | { |
619 | 24236869 | bellard | int i;
|
620 | 24236869 | bellard | vs->need_update = 1;
|
621 | 24236869 | bellard | if (!incremental) {
|
622 | 24236869 | bellard | char *old_row = vs->old_data + y_position * vs->ds->linesize;
|
623 | 24236869 | bellard | |
624 | 24236869 | bellard | for (i = 0; i < h; i++) { |
625 | 24236869 | bellard | vs->dirty_row[y_position + i] = (1ULL << (vs->ds->width / 16)) - 1; |
626 | 24236869 | bellard | if (vs->ds->width == 1024) { |
627 | 24236869 | bellard | vs->dirty_row[y_position + i] = ~(0ULL);
|
628 | 24236869 | bellard | } |
629 | 24236869 | bellard | memset(old_row, 42, vs->ds->width * vs->depth);
|
630 | 24236869 | bellard | old_row += vs->ds->linesize; |
631 | 24236869 | bellard | } |
632 | 24236869 | bellard | } |
633 | 24236869 | bellard | } |
634 | 24236869 | bellard | |
635 | 24236869 | bellard | static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) |
636 | 24236869 | bellard | { |
637 | 24236869 | bellard | int i;
|
638 | 24236869 | bellard | |
639 | 24236869 | bellard | vs->has_hextile = 0;
|
640 | 24236869 | bellard | vs->has_resize = 0;
|
641 | 24236869 | bellard | vs->ds->dpy_copy = NULL;
|
642 | 24236869 | bellard | |
643 | 24236869 | bellard | for (i = n_encodings - 1; i >= 0; i--) { |
644 | 24236869 | bellard | switch (encodings[i]) {
|
645 | 24236869 | bellard | case 0: /* Raw */ |
646 | 24236869 | bellard | vs->has_hextile = 0;
|
647 | 24236869 | bellard | break;
|
648 | 24236869 | bellard | case 1: /* CopyRect */ |
649 | 24236869 | bellard | vs->ds->dpy_copy = vnc_copy; |
650 | 24236869 | bellard | break;
|
651 | 24236869 | bellard | case 5: /* Hextile */ |
652 | 24236869 | bellard | vs->has_hextile = 1;
|
653 | 24236869 | bellard | break;
|
654 | 24236869 | bellard | case -223: /* DesktopResize */ |
655 | 24236869 | bellard | vs->has_resize = 1;
|
656 | 24236869 | bellard | break;
|
657 | 24236869 | bellard | default:
|
658 | 24236869 | bellard | break;
|
659 | 24236869 | bellard | } |
660 | 24236869 | bellard | } |
661 | 24236869 | bellard | } |
662 | 24236869 | bellard | |
663 | 24236869 | bellard | static void set_pixel_format(VncState *vs, |
664 | 24236869 | bellard | int bits_per_pixel, int depth, |
665 | 24236869 | bellard | int big_endian_flag, int true_color_flag, |
666 | 24236869 | bellard | int red_max, int green_max, int blue_max, |
667 | 24236869 | bellard | int red_shift, int green_shift, int blue_shift) |
668 | 24236869 | bellard | { |
669 | 24236869 | bellard | switch (bits_per_pixel) {
|
670 | 24236869 | bellard | case 32: |
671 | 24236869 | bellard | case 24: |
672 | 24236869 | bellard | vs->depth = 4;
|
673 | 24236869 | bellard | break;
|
674 | 24236869 | bellard | case 16: |
675 | 24236869 | bellard | vs->depth = 2;
|
676 | 24236869 | bellard | break;
|
677 | 24236869 | bellard | case 8: |
678 | 24236869 | bellard | vs->depth = 1;
|
679 | 24236869 | bellard | break;
|
680 | 24236869 | bellard | default:
|
681 | 24236869 | bellard | vnc_client_error(vs); |
682 | 24236869 | bellard | break;
|
683 | 24236869 | bellard | } |
684 | 24236869 | bellard | |
685 | 24236869 | bellard | if (!true_color_flag)
|
686 | 24236869 | bellard | vnc_client_error(vs); |
687 | 24236869 | bellard | |
688 | 24236869 | bellard | vnc_dpy_resize(vs->ds, vs->ds->width, vs->ds->height); |
689 | 24236869 | bellard | memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row)); |
690 | 24236869 | bellard | memset(vs->old_data, 42, vs->ds->linesize * vs->ds->height);
|
691 | 24236869 | bellard | |
692 | 24236869 | bellard | vga_hw_invalidate(); |
693 | 24236869 | bellard | vga_hw_update(); |
694 | 24236869 | bellard | } |
695 | 24236869 | bellard | |
696 | 24236869 | bellard | static int protocol_client_msg(VncState *vs, char *data, size_t len) |
697 | 24236869 | bellard | { |
698 | 24236869 | bellard | int i;
|
699 | 24236869 | bellard | uint16_t limit; |
700 | 24236869 | bellard | |
701 | 24236869 | bellard | switch (data[0]) { |
702 | 24236869 | bellard | case 0: |
703 | 24236869 | bellard | if (len == 1) |
704 | 24236869 | bellard | return 20; |
705 | 24236869 | bellard | |
706 | 24236869 | bellard | set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5), |
707 | 24236869 | bellard | read_u8(data, 6), read_u8(data, 7), |
708 | 24236869 | bellard | read_u16(data, 8), read_u16(data, 10), |
709 | 24236869 | bellard | read_u16(data, 12), read_u8(data, 14), |
710 | 24236869 | bellard | read_u8(data, 15), read_u8(data, 16)); |
711 | 24236869 | bellard | break;
|
712 | 24236869 | bellard | case 2: |
713 | 24236869 | bellard | if (len == 1) |
714 | 24236869 | bellard | return 4; |
715 | 24236869 | bellard | |
716 | 24236869 | bellard | if (len == 4) |
717 | 24236869 | bellard | return 4 + (read_u16(data, 2) * 4); |
718 | 24236869 | bellard | |
719 | 24236869 | bellard | limit = read_u16(data, 2);
|
720 | 24236869 | bellard | for (i = 0; i < limit; i++) { |
721 | 24236869 | bellard | int32_t val = read_s32(data, 4 + (i * 4)); |
722 | 24236869 | bellard | memcpy(data + 4 + (i * 4), &val, sizeof(val)); |
723 | 24236869 | bellard | } |
724 | 24236869 | bellard | |
725 | 24236869 | bellard | set_encodings(vs, (int32_t *)(data + 4), limit);
|
726 | 24236869 | bellard | break;
|
727 | 24236869 | bellard | case 3: |
728 | 24236869 | bellard | if (len == 1) |
729 | 24236869 | bellard | return 10; |
730 | 24236869 | bellard | |
731 | 24236869 | bellard | framebuffer_update_request(vs, |
732 | 24236869 | bellard | read_u8(data, 1), read_u16(data, 2), read_u16(data, 4), |
733 | 24236869 | bellard | read_u16(data, 6), read_u16(data, 8)); |
734 | 24236869 | bellard | break;
|
735 | 24236869 | bellard | case 4: |
736 | 24236869 | bellard | if (len == 1) |
737 | 24236869 | bellard | return 8; |
738 | 24236869 | bellard | |
739 | 24236869 | bellard | key_event(vs, read_u8(data, 1), read_u32(data, 4)); |
740 | 24236869 | bellard | break;
|
741 | 24236869 | bellard | case 5: |
742 | 24236869 | bellard | if (len == 1) |
743 | 24236869 | bellard | return 6; |
744 | 24236869 | bellard | |
745 | 24236869 | bellard | pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4)); |
746 | 24236869 | bellard | break;
|
747 | 24236869 | bellard | case 6: |
748 | 24236869 | bellard | if (len == 1) |
749 | 24236869 | bellard | return 8; |
750 | 24236869 | bellard | |
751 | 24236869 | bellard | if (len == 8) |
752 | 24236869 | bellard | return 8 + read_u32(data, 4); |
753 | 24236869 | bellard | |
754 | 24236869 | bellard | client_cut_text(vs, read_u32(data, 4), data + 8); |
755 | 24236869 | bellard | break;
|
756 | 24236869 | bellard | default:
|
757 | 24236869 | bellard | printf("Msg: %d\n", data[0]); |
758 | 24236869 | bellard | vnc_client_error(vs); |
759 | 24236869 | bellard | break;
|
760 | 24236869 | bellard | } |
761 | 24236869 | bellard | |
762 | 24236869 | bellard | vnc_read_when(vs, protocol_client_msg, 1);
|
763 | 24236869 | bellard | return 0; |
764 | 24236869 | bellard | } |
765 | 24236869 | bellard | |
766 | 24236869 | bellard | static int protocol_client_init(VncState *vs, char *data, size_t len) |
767 | 24236869 | bellard | { |
768 | 24236869 | bellard | char pad[3] = { 0, 0, 0 }; |
769 | 24236869 | bellard | |
770 | 24236869 | bellard | vs->width = vs->ds->width; |
771 | 24236869 | bellard | vs->height = vs->ds->height; |
772 | 24236869 | bellard | vnc_write_u16(vs, vs->ds->width); |
773 | 24236869 | bellard | vnc_write_u16(vs, vs->ds->height); |
774 | 24236869 | bellard | |
775 | 24236869 | bellard | vnc_write_u8(vs, vs->depth * 8); /* bits-per-pixel */ |
776 | 24236869 | bellard | vnc_write_u8(vs, vs->depth * 8); /* depth */ |
777 | 24236869 | bellard | vnc_write_u8(vs, 0); /* big-endian-flag */ |
778 | 24236869 | bellard | vnc_write_u8(vs, 1); /* true-color-flag */ |
779 | 24236869 | bellard | if (vs->depth == 4) { |
780 | 24236869 | bellard | vnc_write_u16(vs, 0xFF); /* red-max */ |
781 | 24236869 | bellard | vnc_write_u16(vs, 0xFF); /* green-max */ |
782 | 24236869 | bellard | vnc_write_u16(vs, 0xFF); /* blue-max */ |
783 | 24236869 | bellard | vnc_write_u8(vs, 16); /* red-shift */ |
784 | 24236869 | bellard | vnc_write_u8(vs, 8); /* green-shift */ |
785 | 24236869 | bellard | vnc_write_u8(vs, 0); /* blue-shift */ |
786 | 24236869 | bellard | } else if (vs->depth == 2) { |
787 | 24236869 | bellard | vnc_write_u16(vs, 31); /* red-max */ |
788 | 24236869 | bellard | vnc_write_u16(vs, 63); /* green-max */ |
789 | 24236869 | bellard | vnc_write_u16(vs, 31); /* blue-max */ |
790 | 24236869 | bellard | vnc_write_u8(vs, 11); /* red-shift */ |
791 | 24236869 | bellard | vnc_write_u8(vs, 5); /* green-shift */ |
792 | 24236869 | bellard | vnc_write_u8(vs, 0); /* blue-shift */ |
793 | 24236869 | bellard | } else if (vs->depth == 1) { |
794 | 24236869 | bellard | vnc_write_u16(vs, 3); /* red-max */ |
795 | 24236869 | bellard | vnc_write_u16(vs, 7); /* green-max */ |
796 | 24236869 | bellard | vnc_write_u16(vs, 3); /* blue-max */ |
797 | 24236869 | bellard | vnc_write_u8(vs, 5); /* red-shift */ |
798 | 24236869 | bellard | vnc_write_u8(vs, 2); /* green-shift */ |
799 | 24236869 | bellard | vnc_write_u8(vs, 0); /* blue-shift */ |
800 | 24236869 | bellard | } |
801 | 24236869 | bellard | |
802 | 24236869 | bellard | vnc_write(vs, pad, 3); /* padding */ |
803 | 24236869 | bellard | |
804 | 24236869 | bellard | vnc_write_u32(vs, 4);
|
805 | 24236869 | bellard | vnc_write(vs, "QEMU", 4); |
806 | 24236869 | bellard | vnc_flush(vs); |
807 | 24236869 | bellard | |
808 | 24236869 | bellard | vnc_read_when(vs, protocol_client_msg, 1);
|
809 | 24236869 | bellard | |
810 | 24236869 | bellard | return 0; |
811 | 24236869 | bellard | } |
812 | 24236869 | bellard | |
813 | 24236869 | bellard | static int protocol_version(VncState *vs, char *version, size_t len) |
814 | 24236869 | bellard | { |
815 | 24236869 | bellard | char local[13]; |
816 | 24236869 | bellard | int maj, min;
|
817 | 24236869 | bellard | |
818 | 24236869 | bellard | memcpy(local, version, 12);
|
819 | 24236869 | bellard | local[12] = 0; |
820 | 24236869 | bellard | |
821 | 24236869 | bellard | if (sscanf(local, "RFB %03d.%03d\n", &maj, &min) != 2) { |
822 | 24236869 | bellard | vnc_client_error(vs); |
823 | 24236869 | bellard | return 0; |
824 | 24236869 | bellard | } |
825 | 24236869 | bellard | |
826 | 24236869 | bellard | vnc_write_u32(vs, 1); /* None */ |
827 | 24236869 | bellard | vnc_flush(vs); |
828 | 24236869 | bellard | |
829 | 24236869 | bellard | vnc_read_when(vs, protocol_client_init, 1);
|
830 | 24236869 | bellard | |
831 | 24236869 | bellard | return 0; |
832 | 24236869 | bellard | } |
833 | 24236869 | bellard | |
834 | 24236869 | bellard | static void vnc_listen_read(void *opaque) |
835 | 24236869 | bellard | { |
836 | 24236869 | bellard | VncState *vs = opaque; |
837 | 24236869 | bellard | struct sockaddr_in addr;
|
838 | 24236869 | bellard | socklen_t addrlen = sizeof(addr);
|
839 | 24236869 | bellard | |
840 | 24236869 | bellard | vs->csock = accept(vs->lsock, (struct sockaddr *)&addr, &addrlen);
|
841 | 24236869 | bellard | if (vs->csock != -1) { |
842 | 6ca957f0 | bellard | socket_set_nonblock(vs->csock); |
843 | 24236869 | bellard | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, opaque); |
844 | 24236869 | bellard | vnc_write(vs, "RFB 003.003\n", 12); |
845 | 24236869 | bellard | vnc_flush(vs); |
846 | 24236869 | bellard | vnc_read_when(vs, protocol_version, 12);
|
847 | 24236869 | bellard | memset(vs->old_data, 0, vs->ds->linesize * vs->ds->height);
|
848 | 24236869 | bellard | memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row)); |
849 | 24236869 | bellard | vs->has_resize = 0;
|
850 | 24236869 | bellard | vs->has_hextile = 0;
|
851 | 24236869 | bellard | vs->ds->dpy_copy = NULL;
|
852 | 24236869 | bellard | } |
853 | 24236869 | bellard | } |
854 | 24236869 | bellard | |
855 | 24236869 | bellard | void vnc_display_init(DisplayState *ds, int display) |
856 | 24236869 | bellard | { |
857 | 24236869 | bellard | struct sockaddr_in addr;
|
858 | 24236869 | bellard | int reuse_addr, ret;
|
859 | 24236869 | bellard | VncState *vs; |
860 | 24236869 | bellard | |
861 | 24236869 | bellard | vs = qemu_mallocz(sizeof(VncState));
|
862 | 24236869 | bellard | if (!vs)
|
863 | 24236869 | bellard | exit(1);
|
864 | 24236869 | bellard | |
865 | 24236869 | bellard | ds->opaque = vs; |
866 | 24236869 | bellard | |
867 | 24236869 | bellard | vs->lsock = -1;
|
868 | 24236869 | bellard | vs->csock = -1;
|
869 | 24236869 | bellard | vs->depth = 4;
|
870 | 24236869 | bellard | |
871 | 24236869 | bellard | vs->ds = ds; |
872 | 24236869 | bellard | |
873 | 24236869 | bellard | if (!keyboard_layout)
|
874 | 24236869 | bellard | keyboard_layout = "en-us";
|
875 | 24236869 | bellard | |
876 | 24236869 | bellard | vs->kbd_layout = init_keyboard_layout(keyboard_layout); |
877 | 24236869 | bellard | if (!vs->kbd_layout)
|
878 | 24236869 | bellard | exit(1);
|
879 | 24236869 | bellard | |
880 | 24236869 | bellard | vs->lsock = socket(PF_INET, SOCK_STREAM, 0);
|
881 | 24236869 | bellard | if (vs->lsock == -1) { |
882 | 24236869 | bellard | fprintf(stderr, "Could not create socket\n");
|
883 | 24236869 | bellard | exit(1);
|
884 | 24236869 | bellard | } |
885 | 24236869 | bellard | |
886 | 24236869 | bellard | addr.sin_family = AF_INET; |
887 | 24236869 | bellard | addr.sin_port = htons(5900 + display);
|
888 | 24236869 | bellard | memset(&addr.sin_addr, 0, sizeof(addr.sin_addr)); |
889 | 24236869 | bellard | |
890 | 24236869 | bellard | reuse_addr = 1;
|
891 | 24236869 | bellard | ret = setsockopt(vs->lsock, SOL_SOCKET, SO_REUSEADDR, |
892 | 6ca957f0 | bellard | (const char *)&reuse_addr, sizeof(reuse_addr)); |
893 | 24236869 | bellard | if (ret == -1) { |
894 | 24236869 | bellard | fprintf(stderr, "setsockopt() failed\n");
|
895 | 24236869 | bellard | exit(1);
|
896 | 24236869 | bellard | } |
897 | 24236869 | bellard | |
898 | 24236869 | bellard | if (bind(vs->lsock, (struct sockaddr *)&addr, sizeof(addr)) == -1) { |
899 | 24236869 | bellard | fprintf(stderr, "bind() failed\n");
|
900 | 24236869 | bellard | exit(1);
|
901 | 24236869 | bellard | } |
902 | 24236869 | bellard | |
903 | 24236869 | bellard | if (listen(vs->lsock, 1) == -1) { |
904 | 24236869 | bellard | fprintf(stderr, "listen() failed\n");
|
905 | 24236869 | bellard | exit(1);
|
906 | 24236869 | bellard | } |
907 | 24236869 | bellard | |
908 | 24236869 | bellard | ret = qemu_set_fd_handler2(vs->lsock, vnc_listen_poll, vnc_listen_read, NULL, vs);
|
909 | 24236869 | bellard | if (ret == -1) { |
910 | 24236869 | bellard | exit(1);
|
911 | 24236869 | bellard | } |
912 | 24236869 | bellard | |
913 | 24236869 | bellard | vs->ds->data = NULL;
|
914 | 24236869 | bellard | vs->ds->dpy_update = vnc_dpy_update; |
915 | 24236869 | bellard | vs->ds->dpy_resize = vnc_dpy_resize; |
916 | 24236869 | bellard | vs->ds->dpy_refresh = vnc_dpy_refresh; |
917 | 24236869 | bellard | |
918 | 24236869 | bellard | memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row)); |
919 | 24236869 | bellard | |
920 | 24236869 | bellard | vnc_dpy_resize(vs->ds, 640, 400); |
921 | 24236869 | bellard | } |