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142ca628 MAL |
1 | /* |
2 | * QEMU DBus display console | |
3 | * | |
4 | * Copyright (c) 2021 Marc-André Lureau <marcandre.lureau@redhat.com> | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #include "qemu/osdep.h" | |
25 | #include "qapi/error.h" | |
26 | #include "ui/input.h" | |
27 | #include "ui/kbd-state.h" | |
28 | #include "trace.h" | |
29 | ||
30 | #include <gio/gunixfdlist.h> | |
31 | ||
32 | #include "dbus.h" | |
33 | ||
34 | struct _DBusDisplayConsole { | |
35 | GDBusObjectSkeleton parent_instance; | |
36 | DisplayChangeListener dcl; | |
37 | ||
38 | DBusDisplay *display; | |
142ca628 MAL |
39 | GHashTable *listeners; |
40 | QemuDBusDisplay1Console *iface; | |
41 | ||
42 | QemuDBusDisplay1Keyboard *iface_kbd; | |
43 | QKbdState *kbd; | |
44 | ||
45 | QemuDBusDisplay1Mouse *iface_mouse; | |
46 | gboolean last_set; | |
47 | guint last_x; | |
48 | guint last_y; | |
49 | Notifier mouse_mode_notifier; | |
50 | }; | |
51 | ||
52 | G_DEFINE_TYPE(DBusDisplayConsole, | |
53 | dbus_display_console, | |
54 | G_TYPE_DBUS_OBJECT_SKELETON) | |
55 | ||
56 | static void | |
57 | dbus_display_console_set_size(DBusDisplayConsole *ddc, | |
58 | uint32_t width, uint32_t height) | |
59 | { | |
60 | g_object_set(ddc->iface, | |
61 | "width", width, | |
62 | "height", height, | |
63 | NULL); | |
64 | } | |
65 | ||
66 | static void | |
67 | dbus_gfx_switch(DisplayChangeListener *dcl, | |
68 | struct DisplaySurface *new_surface) | |
69 | { | |
70 | DBusDisplayConsole *ddc = container_of(dcl, DBusDisplayConsole, dcl); | |
71 | ||
72 | dbus_display_console_set_size(ddc, | |
73 | surface_width(new_surface), | |
74 | surface_height(new_surface)); | |
75 | } | |
76 | ||
77 | static void | |
78 | dbus_gfx_update(DisplayChangeListener *dcl, | |
79 | int x, int y, int w, int h) | |
80 | { | |
81 | } | |
82 | ||
83 | static void | |
84 | dbus_gl_scanout_disable(DisplayChangeListener *dcl) | |
85 | { | |
86 | } | |
87 | ||
88 | static void | |
89 | dbus_gl_scanout_texture(DisplayChangeListener *dcl, | |
90 | uint32_t tex_id, | |
91 | bool backing_y_0_top, | |
92 | uint32_t backing_width, | |
93 | uint32_t backing_height, | |
94 | uint32_t x, uint32_t y, | |
95 | uint32_t w, uint32_t h) | |
96 | { | |
97 | DBusDisplayConsole *ddc = container_of(dcl, DBusDisplayConsole, dcl); | |
98 | ||
99 | dbus_display_console_set_size(ddc, w, h); | |
100 | } | |
101 | ||
102 | static void | |
103 | dbus_gl_scanout_dmabuf(DisplayChangeListener *dcl, | |
104 | QemuDmaBuf *dmabuf) | |
105 | { | |
106 | DBusDisplayConsole *ddc = container_of(dcl, DBusDisplayConsole, dcl); | |
107 | ||
108 | dbus_display_console_set_size(ddc, | |
109 | dmabuf->width, | |
110 | dmabuf->height); | |
111 | } | |
112 | ||
113 | static void | |
114 | dbus_gl_scanout_update(DisplayChangeListener *dcl, | |
115 | uint32_t x, uint32_t y, | |
116 | uint32_t w, uint32_t h) | |
117 | { | |
118 | } | |
119 | ||
417a2319 | 120 | const DisplayChangeListenerOps dbus_console_dcl_ops = { |
142ca628 MAL |
121 | .dpy_name = "dbus-console", |
122 | .dpy_gfx_switch = dbus_gfx_switch, | |
123 | .dpy_gfx_update = dbus_gfx_update, | |
124 | .dpy_gl_scanout_disable = dbus_gl_scanout_disable, | |
125 | .dpy_gl_scanout_texture = dbus_gl_scanout_texture, | |
126 | .dpy_gl_scanout_dmabuf = dbus_gl_scanout_dmabuf, | |
127 | .dpy_gl_update = dbus_gl_scanout_update, | |
128 | }; | |
129 | ||
130 | static void | |
131 | dbus_display_console_init(DBusDisplayConsole *object) | |
132 | { | |
133 | DBusDisplayConsole *ddc = DBUS_DISPLAY_CONSOLE(object); | |
134 | ||
135 | ddc->listeners = g_hash_table_new_full(g_str_hash, g_str_equal, | |
136 | NULL, g_object_unref); | |
137 | ddc->dcl.ops = &dbus_console_dcl_ops; | |
138 | } | |
139 | ||
140 | static void | |
141 | dbus_display_console_dispose(GObject *object) | |
142 | { | |
143 | DBusDisplayConsole *ddc = DBUS_DISPLAY_CONSOLE(object); | |
144 | ||
145 | unregister_displaychangelistener(&ddc->dcl); | |
146 | g_clear_object(&ddc->iface_kbd); | |
147 | g_clear_object(&ddc->iface); | |
148 | g_clear_pointer(&ddc->listeners, g_hash_table_unref); | |
149 | g_clear_pointer(&ddc->kbd, qkbd_state_free); | |
150 | ||
151 | G_OBJECT_CLASS(dbus_display_console_parent_class)->dispose(object); | |
152 | } | |
153 | ||
154 | static void | |
155 | dbus_display_console_class_init(DBusDisplayConsoleClass *klass) | |
156 | { | |
157 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); | |
158 | ||
159 | gobject_class->dispose = dbus_display_console_dispose; | |
160 | } | |
161 | ||
162 | static void | |
163 | listener_vanished_cb(DBusDisplayListener *listener) | |
164 | { | |
165 | DBusDisplayConsole *ddc = dbus_display_listener_get_console(listener); | |
166 | const char *name = dbus_display_listener_get_bus_name(listener); | |
167 | ||
168 | trace_dbus_listener_vanished(name); | |
169 | ||
170 | g_hash_table_remove(ddc->listeners, name); | |
171 | qkbd_state_lift_all_keys(ddc->kbd); | |
172 | } | |
173 | ||
174 | static gboolean | |
175 | dbus_console_set_ui_info(DBusDisplayConsole *ddc, | |
176 | GDBusMethodInvocation *invocation, | |
177 | guint16 arg_width_mm, | |
178 | guint16 arg_height_mm, | |
179 | gint arg_xoff, | |
180 | gint arg_yoff, | |
181 | guint arg_width, | |
182 | guint arg_height) | |
183 | { | |
184 | QemuUIInfo info = { | |
185 | .width_mm = arg_width_mm, | |
186 | .height_mm = arg_height_mm, | |
187 | .xoff = arg_xoff, | |
188 | .yoff = arg_yoff, | |
189 | .width = arg_width, | |
190 | .height = arg_height, | |
191 | }; | |
192 | ||
417a2319 | 193 | if (!dpy_ui_info_supported(ddc->dcl.con)) { |
142ca628 MAL |
194 | g_dbus_method_invocation_return_error(invocation, |
195 | DBUS_DISPLAY_ERROR, | |
196 | DBUS_DISPLAY_ERROR_UNSUPPORTED, | |
197 | "SetUIInfo is not supported"); | |
198 | return DBUS_METHOD_INVOCATION_HANDLED; | |
199 | } | |
200 | ||
417a2319 | 201 | dpy_set_ui_info(ddc->dcl.con, &info, false); |
142ca628 MAL |
202 | qemu_dbus_display1_console_complete_set_uiinfo(ddc->iface, invocation); |
203 | return DBUS_METHOD_INVOCATION_HANDLED; | |
204 | } | |
205 | ||
206 | static gboolean | |
207 | dbus_console_register_listener(DBusDisplayConsole *ddc, | |
208 | GDBusMethodInvocation *invocation, | |
209 | GUnixFDList *fd_list, | |
210 | GVariant *arg_listener) | |
211 | { | |
212 | const char *sender = g_dbus_method_invocation_get_sender(invocation); | |
213 | GDBusConnection *listener_conn; | |
214 | g_autoptr(GError) err = NULL; | |
215 | g_autoptr(GSocket) socket = NULL; | |
216 | g_autoptr(GSocketConnection) socket_conn = NULL; | |
217 | g_autofree char *guid = g_dbus_generate_guid(); | |
218 | DBusDisplayListener *listener; | |
219 | int fd; | |
220 | ||
99997823 | 221 | if (sender && g_hash_table_contains(ddc->listeners, sender)) { |
142ca628 MAL |
222 | g_dbus_method_invocation_return_error( |
223 | invocation, | |
224 | DBUS_DISPLAY_ERROR, | |
225 | DBUS_DISPLAY_ERROR_INVALID, | |
226 | "`%s` is already registered!", | |
227 | sender); | |
228 | return DBUS_METHOD_INVOCATION_HANDLED; | |
229 | } | |
230 | ||
231 | fd = g_unix_fd_list_get(fd_list, g_variant_get_handle(arg_listener), &err); | |
232 | if (err) { | |
233 | g_dbus_method_invocation_return_error( | |
234 | invocation, | |
235 | DBUS_DISPLAY_ERROR, | |
236 | DBUS_DISPLAY_ERROR_FAILED, | |
237 | "Couldn't get peer fd: %s", err->message); | |
238 | return DBUS_METHOD_INVOCATION_HANDLED; | |
239 | } | |
240 | ||
241 | socket = g_socket_new_from_fd(fd, &err); | |
242 | if (err) { | |
243 | g_dbus_method_invocation_return_error( | |
244 | invocation, | |
245 | DBUS_DISPLAY_ERROR, | |
246 | DBUS_DISPLAY_ERROR_FAILED, | |
247 | "Couldn't make a socket: %s", err->message); | |
248 | close(fd); | |
249 | return DBUS_METHOD_INVOCATION_HANDLED; | |
250 | } | |
251 | socket_conn = g_socket_connection_factory_create_connection(socket); | |
252 | ||
253 | qemu_dbus_display1_console_complete_register_listener( | |
254 | ddc->iface, invocation, NULL); | |
255 | ||
256 | listener_conn = g_dbus_connection_new_sync( | |
257 | G_IO_STREAM(socket_conn), | |
258 | guid, | |
259 | G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_SERVER, | |
260 | NULL, NULL, &err); | |
261 | if (err) { | |
262 | error_report("Failed to setup peer connection: %s", err->message); | |
263 | return DBUS_METHOD_INVOCATION_HANDLED; | |
264 | } | |
265 | ||
266 | listener = dbus_display_listener_new(sender, listener_conn, ddc); | |
267 | if (!listener) { | |
268 | return DBUS_METHOD_INVOCATION_HANDLED; | |
269 | } | |
270 | ||
271 | g_hash_table_insert(ddc->listeners, | |
272 | (gpointer)dbus_display_listener_get_bus_name(listener), | |
273 | listener); | |
274 | g_object_connect(listener_conn, | |
275 | "swapped-signal::closed", listener_vanished_cb, listener, | |
276 | NULL); | |
277 | ||
278 | trace_dbus_registered_listener(sender); | |
279 | return DBUS_METHOD_INVOCATION_HANDLED; | |
280 | } | |
281 | ||
282 | static gboolean | |
283 | dbus_kbd_press(DBusDisplayConsole *ddc, | |
284 | GDBusMethodInvocation *invocation, | |
285 | guint arg_keycode) | |
286 | { | |
287 | QKeyCode qcode = qemu_input_key_number_to_qcode(arg_keycode); | |
288 | ||
289 | trace_dbus_kbd_press(arg_keycode); | |
290 | ||
291 | qkbd_state_key_event(ddc->kbd, qcode, true); | |
292 | ||
293 | qemu_dbus_display1_keyboard_complete_press(ddc->iface_kbd, invocation); | |
294 | ||
295 | return DBUS_METHOD_INVOCATION_HANDLED; | |
296 | } | |
297 | ||
298 | static gboolean | |
299 | dbus_kbd_release(DBusDisplayConsole *ddc, | |
300 | GDBusMethodInvocation *invocation, | |
301 | guint arg_keycode) | |
302 | { | |
303 | QKeyCode qcode = qemu_input_key_number_to_qcode(arg_keycode); | |
304 | ||
305 | trace_dbus_kbd_release(arg_keycode); | |
306 | ||
307 | qkbd_state_key_event(ddc->kbd, qcode, false); | |
308 | ||
309 | qemu_dbus_display1_keyboard_complete_release(ddc->iface_kbd, invocation); | |
310 | ||
311 | return DBUS_METHOD_INVOCATION_HANDLED; | |
312 | } | |
313 | ||
314 | static void | |
315 | dbus_kbd_qemu_leds_updated(void *data, int ledstate) | |
316 | { | |
317 | DBusDisplayConsole *ddc = DBUS_DISPLAY_CONSOLE(data); | |
318 | ||
319 | qemu_dbus_display1_keyboard_set_modifiers(ddc->iface_kbd, ledstate); | |
320 | } | |
321 | ||
322 | static gboolean | |
323 | dbus_mouse_rel_motion(DBusDisplayConsole *ddc, | |
324 | GDBusMethodInvocation *invocation, | |
325 | int dx, int dy) | |
326 | { | |
327 | trace_dbus_mouse_rel_motion(dx, dy); | |
328 | ||
329 | if (qemu_input_is_absolute()) { | |
330 | g_dbus_method_invocation_return_error( | |
331 | invocation, DBUS_DISPLAY_ERROR, | |
332 | DBUS_DISPLAY_ERROR_INVALID, | |
333 | "Mouse is not relative"); | |
334 | return DBUS_METHOD_INVOCATION_HANDLED; | |
335 | } | |
336 | ||
417a2319 MAL |
337 | qemu_input_queue_rel(ddc->dcl.con, INPUT_AXIS_X, dx); |
338 | qemu_input_queue_rel(ddc->dcl.con, INPUT_AXIS_Y, dy); | |
142ca628 MAL |
339 | qemu_input_event_sync(); |
340 | ||
341 | qemu_dbus_display1_mouse_complete_rel_motion(ddc->iface_mouse, | |
342 | invocation); | |
343 | ||
344 | return DBUS_METHOD_INVOCATION_HANDLED; | |
345 | } | |
346 | ||
347 | static gboolean | |
348 | dbus_mouse_set_pos(DBusDisplayConsole *ddc, | |
349 | GDBusMethodInvocation *invocation, | |
350 | guint x, guint y) | |
351 | { | |
352 | int width, height; | |
353 | ||
354 | trace_dbus_mouse_set_pos(x, y); | |
355 | ||
356 | if (!qemu_input_is_absolute()) { | |
357 | g_dbus_method_invocation_return_error( | |
358 | invocation, DBUS_DISPLAY_ERROR, | |
359 | DBUS_DISPLAY_ERROR_INVALID, | |
360 | "Mouse is not absolute"); | |
361 | return DBUS_METHOD_INVOCATION_HANDLED; | |
362 | } | |
363 | ||
417a2319 MAL |
364 | width = qemu_console_get_width(ddc->dcl.con, 0); |
365 | height = qemu_console_get_height(ddc->dcl.con, 0); | |
142ca628 MAL |
366 | if (x >= width || y >= height) { |
367 | g_dbus_method_invocation_return_error( | |
368 | invocation, DBUS_DISPLAY_ERROR, | |
369 | DBUS_DISPLAY_ERROR_INVALID, | |
370 | "Invalid mouse position"); | |
371 | return DBUS_METHOD_INVOCATION_HANDLED; | |
372 | } | |
417a2319 MAL |
373 | qemu_input_queue_abs(ddc->dcl.con, INPUT_AXIS_X, x, 0, width); |
374 | qemu_input_queue_abs(ddc->dcl.con, INPUT_AXIS_Y, y, 0, height); | |
142ca628 MAL |
375 | qemu_input_event_sync(); |
376 | ||
377 | qemu_dbus_display1_mouse_complete_set_abs_position(ddc->iface_mouse, | |
378 | invocation); | |
379 | ||
380 | return DBUS_METHOD_INVOCATION_HANDLED; | |
381 | } | |
382 | ||
383 | static gboolean | |
384 | dbus_mouse_press(DBusDisplayConsole *ddc, | |
385 | GDBusMethodInvocation *invocation, | |
386 | guint button) | |
387 | { | |
388 | trace_dbus_mouse_press(button); | |
389 | ||
417a2319 | 390 | qemu_input_queue_btn(ddc->dcl.con, button, true); |
142ca628 MAL |
391 | qemu_input_event_sync(); |
392 | ||
393 | qemu_dbus_display1_mouse_complete_press(ddc->iface_mouse, invocation); | |
394 | ||
395 | return DBUS_METHOD_INVOCATION_HANDLED; | |
396 | } | |
397 | ||
398 | static gboolean | |
399 | dbus_mouse_release(DBusDisplayConsole *ddc, | |
400 | GDBusMethodInvocation *invocation, | |
401 | guint button) | |
402 | { | |
403 | trace_dbus_mouse_release(button); | |
404 | ||
417a2319 | 405 | qemu_input_queue_btn(ddc->dcl.con, button, false); |
142ca628 MAL |
406 | qemu_input_event_sync(); |
407 | ||
408 | qemu_dbus_display1_mouse_complete_release(ddc->iface_mouse, invocation); | |
409 | ||
410 | return DBUS_METHOD_INVOCATION_HANDLED; | |
411 | } | |
412 | ||
413 | static void | |
414 | dbus_mouse_mode_change(Notifier *notify, void *data) | |
415 | { | |
416 | DBusDisplayConsole *ddc = | |
417 | container_of(notify, DBusDisplayConsole, mouse_mode_notifier); | |
418 | ||
419 | g_object_set(ddc->iface_mouse, | |
420 | "is-absolute", qemu_input_is_absolute(), | |
421 | NULL); | |
422 | } | |
423 | ||
424 | int dbus_display_console_get_index(DBusDisplayConsole *ddc) | |
425 | { | |
417a2319 | 426 | return qemu_console_get_index(ddc->dcl.con); |
142ca628 MAL |
427 | } |
428 | ||
429 | DBusDisplayConsole * | |
430 | dbus_display_console_new(DBusDisplay *display, QemuConsole *con) | |
431 | { | |
432 | g_autofree char *path = NULL; | |
433 | g_autofree char *label = NULL; | |
434 | char device_addr[256] = ""; | |
435 | DBusDisplayConsole *ddc; | |
436 | int idx; | |
437 | ||
438 | assert(display); | |
439 | assert(con); | |
440 | ||
441 | label = qemu_console_get_label(con); | |
442 | idx = qemu_console_get_index(con); | |
443 | path = g_strdup_printf(DBUS_DISPLAY1_ROOT "/Console_%d", idx); | |
444 | ddc = g_object_new(DBUS_DISPLAY_TYPE_CONSOLE, | |
445 | "g-object-path", path, | |
446 | NULL); | |
447 | ddc->display = display; | |
417a2319 | 448 | ddc->dcl.con = con; |
142ca628 MAL |
449 | /* handle errors, and skip non graphics? */ |
450 | qemu_console_fill_device_address( | |
451 | con, device_addr, sizeof(device_addr), NULL); | |
452 | ||
453 | ddc->iface = qemu_dbus_display1_console_skeleton_new(); | |
454 | g_object_set(ddc->iface, | |
455 | "label", label, | |
456 | "type", qemu_console_is_graphic(con) ? "Graphic" : "Text", | |
457 | "head", qemu_console_get_head(con), | |
458 | "width", qemu_console_get_width(con, 0), | |
459 | "height", qemu_console_get_height(con, 0), | |
460 | "device-address", device_addr, | |
461 | NULL); | |
462 | g_object_connect(ddc->iface, | |
463 | "swapped-signal::handle-register-listener", | |
464 | dbus_console_register_listener, ddc, | |
465 | "swapped-signal::handle-set-uiinfo", | |
466 | dbus_console_set_ui_info, ddc, | |
467 | NULL); | |
468 | g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc), | |
469 | G_DBUS_INTERFACE_SKELETON(ddc->iface)); | |
470 | ||
471 | ddc->kbd = qkbd_state_init(con); | |
472 | ddc->iface_kbd = qemu_dbus_display1_keyboard_skeleton_new(); | |
473 | qemu_add_led_event_handler(dbus_kbd_qemu_leds_updated, ddc); | |
474 | g_object_connect(ddc->iface_kbd, | |
475 | "swapped-signal::handle-press", dbus_kbd_press, ddc, | |
476 | "swapped-signal::handle-release", dbus_kbd_release, ddc, | |
477 | NULL); | |
478 | g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc), | |
479 | G_DBUS_INTERFACE_SKELETON(ddc->iface_kbd)); | |
480 | ||
481 | ddc->iface_mouse = qemu_dbus_display1_mouse_skeleton_new(); | |
482 | g_object_connect(ddc->iface_mouse, | |
483 | "swapped-signal::handle-set-abs-position", dbus_mouse_set_pos, ddc, | |
484 | "swapped-signal::handle-rel-motion", dbus_mouse_rel_motion, ddc, | |
485 | "swapped-signal::handle-press", dbus_mouse_press, ddc, | |
486 | "swapped-signal::handle-release", dbus_mouse_release, ddc, | |
487 | NULL); | |
488 | g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc), | |
489 | G_DBUS_INTERFACE_SKELETON(ddc->iface_mouse)); | |
490 | ||
491 | register_displaychangelistener(&ddc->dcl); | |
492 | ddc->mouse_mode_notifier.notify = dbus_mouse_mode_change; | |
493 | qemu_add_mouse_mode_change_notifier(&ddc->mouse_mode_notifier); | |
494 | ||
495 | return ddc; | |
496 | } |