3a4b6286040d47fe3d220487157ad22156853df8
[src/agl-compositor.git] / src / compositor.c
1 /*
2  * Copyright © 2012-2024 Collabora, Ltd.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining
5  * a copy of this software and associated documentation files (the
6  * "Software"), to deal in the Software without restriction, including
7  * without limitation the rights to use, copy, modify, merge, publish,
8  * distribute, sublicense, and/or sell copies of the Software, and to
9  * permit persons to whom the Software is furnished to do so, subject to
10  * the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the
13  * next paragraph) shall be included in all copies or substantial
14  * portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  */
25
26 #include "ivi-compositor.h"
27 #include "policy.h"
28
29 #include <assert.h>
30 #include <errno.h>
31 #include <signal.h>
32 #include <stdarg.h>
33 #include <stdbool.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <string.h>
37 #include <unistd.h>
38 #include <linux/input.h>
39
40 #include <libweston/backend-drm.h>
41 #include <libweston/backend-wayland.h>
42 #ifdef HAVE_BACKEND_RDP
43 #include <libweston/backend-rdp.h>
44 #endif
45 #ifdef HAVE_BACKEND_X11
46 #include <libweston/backend-x11.h>
47 #endif
48 #include <libweston/libweston.h>
49 #include <libweston/windowed-output-api.h>
50 #include <libweston/config-parser.h>
51 #include <libweston/weston-log.h>
52 #include <weston.h>
53
54 #include "shared/os-compatibility.h"
55 #include "shared/helpers.h"
56
57 #include "config.h"
58 #include "agl-shell-server-protocol.h"
59
60 #ifdef HAVE_REMOTING
61 #include "remote.h"
62 #endif
63
64 #define WINDOWED_DEFAULT_WIDTH 1024
65 #define WINDOWED_DEFAULT_HEIGHT 768
66
67 static int cached_tm_mday = -1;
68 static struct weston_log_scope *log_scope;
69
70 struct ivi_compositor *
71 to_ivi_compositor(struct weston_compositor *ec)
72 {
73         return weston_compositor_get_user_data(ec);
74 }
75
76 struct ivi_output_config *
77 ivi_init_parsed_options(struct weston_compositor *compositor)
78 {
79         struct ivi_compositor *ivi = to_ivi_compositor(compositor);
80         struct ivi_output_config *config;
81
82         config = zalloc(sizeof *config);
83         if (!config)
84                 return NULL;
85
86         config->width = 0;
87         config->height = 0;
88         config->scale = 0;
89         config->transform = UINT32_MAX;
90
91         ivi->parsed_options = config;
92
93         return config;
94 }
95
96 static void
97 sigint_helper(int sig)
98 {
99        raise(SIGUSR2);
100 }
101
102 struct {
103         char *name;
104         enum weston_renderer_type renderer;
105 } renderer_name_map[] = {
106         { "auto", WESTON_RENDERER_AUTO },
107         { "gl", WESTON_RENDERER_GL },
108         { "noop", WESTON_RENDERER_NOOP },
109         { "pixman", WESTON_RENDERER_PIXMAN },
110 };
111
112 struct {
113         char *short_name;
114         char *long_name;
115         enum weston_compositor_backend backend;
116 } backend_name_map[] = {
117         { "drm", "drm-backend.so", WESTON_BACKEND_DRM },
118         { "rdp", "rdp-backend.so", WESTON_BACKEND_RDP },
119         { "wayland", "wayland-backend.so", WESTON_BACKEND_WAYLAND },
120         { "x11", "x11-backend.so", WESTON_BACKEND_X11 },
121 };
122
123 bool
124 get_backend_from_string(const char *name, enum weston_compositor_backend *backend)
125 {
126         size_t i;
127
128         for (i = 0; i < ARRAY_LENGTH(backend_name_map); i++) {
129                 if (strcmp(name, backend_name_map[i].short_name) == 0 ||
130                     strcmp(name, backend_name_map[i].long_name) == 0) {
131                         *backend = backend_name_map[i].backend;
132                         return true;
133                 }
134         }
135
136         return false;
137 }
138
139 bool
140 get_renderer_from_string(const char *name, enum weston_renderer_type *renderer)
141 {
142         size_t i;
143
144         if (!name)
145                 name = "auto";
146
147         for (i = 0; i < ARRAY_LENGTH(renderer_name_map); i++) {
148                 if (strcmp(name, renderer_name_map[i].name) == 0) {
149                         *renderer = renderer_name_map[i].renderer;
150                         return true;
151                 }
152         }
153
154         return false;
155 }
156
157 static void
158 handle_output_destroy(struct wl_listener *listener, void *data)
159 {
160         struct ivi_output *output;
161
162         output = wl_container_of(listener, output, output_destroy);
163         assert(output->output == data);
164
165         if (output->fullscreen_view.fs &&
166             output->fullscreen_view.fs->view) {
167                 weston_surface_unref(output->fullscreen_view.fs->view->surface);
168                 weston_buffer_destroy_solid(output->fullscreen_view.buffer_ref);
169                 output->fullscreen_view.fs->view = NULL;
170         }
171
172         ivi_layout_save(output->ivi, output);
173
174         output->output = NULL;
175         wl_list_remove(&output->output_destroy.link);
176 }
177
178 struct ivi_output *
179 to_ivi_output(struct weston_output *o)
180 {
181         struct wl_listener *listener;
182         struct ivi_output *output;
183
184         listener = weston_output_get_destroy_listener(o, handle_output_destroy);
185         output = wl_container_of(listener, output, output_destroy);
186
187         return output;
188 }
189
190 static void
191 ivi_output_configure_app_id(struct ivi_output *ivi_output)
192 {
193         if (ivi_output->config) {
194                 if (ivi_output->app_ids != NULL)
195                         return;
196
197                 weston_config_section_get_string(ivi_output->config,
198                                                  "agl-shell-app-id",
199                                                  &ivi_output->app_ids,
200                                                  NULL);
201
202                 if (ivi_output->app_ids == NULL)
203                         return;
204
205                 weston_log("Will place app_id %s on output %s\n",
206                                 ivi_output->app_ids, ivi_output->name);
207         }
208 }
209
210 static struct ivi_output *
211 ivi_ensure_output(struct ivi_compositor *ivi, char *name,
212                   struct weston_config_section *config,
213                   struct weston_head *head)
214 {
215         struct ivi_output *output = NULL;
216         wl_list_for_each(output, &ivi->outputs, link) {
217                 if (strcmp(output->name, name) == 0) {
218                         free(name);
219                         return output;
220                 }
221         }
222
223         output = zalloc(sizeof *output);
224         if (!output) {
225                 free(name);
226                 return NULL;
227         }
228
229         output->ivi = ivi;
230         output->name = name;
231         output->config = config;
232
233         output->output =
234                 weston_compositor_create_output(ivi->compositor, head, head->name);
235         if (!output->output) {
236                 free(output->name);
237                 free(output);
238                 return NULL;
239         }
240
241         if (ivi->simple_output_configure) {
242                 int ret = ivi->simple_output_configure(output->output);
243                 if (ret < 0) {
244                         weston_log("Configuring output \"%s\" failed.\n",
245                                         weston_head_get_name(head));
246                         weston_output_destroy(output->output);
247                         ivi->init_failed = true;
248                         return NULL;
249                 }
250
251                 if (weston_output_enable(output->output) < 0) {
252                         weston_log("Enabling output \"%s\" failed.\n",
253                                         weston_head_get_name(head));
254                         weston_output_destroy(output->output);
255                         ivi->init_failed = true;
256                         return NULL;
257                 }
258         }
259
260         output->output_destroy.notify = handle_output_destroy;
261         weston_output_add_destroy_listener(output->output,
262                                            &output->output_destroy);
263
264         wl_list_insert(&ivi->outputs, &output->link);
265         ivi_output_configure_app_id(output);
266         return output;
267 }
268
269 static int
270 count_heads(struct weston_output *output)
271 {
272         struct weston_head *iter = NULL;
273         int n = 0;
274
275         while ((iter = weston_output_iterate_heads(output, iter)))
276                 ++n;
277
278         return n;
279 }
280
281 static void
282 handle_head_destroy(struct wl_listener *listener, void *data)
283 {
284         struct weston_head *head = data;
285         struct weston_output *output;
286
287         wl_list_remove(&listener->link);
288         free(listener);
289
290         output = weston_head_get_output(head);
291
292         /* On shutdown path, the output might be already gone. */
293         if (!output)
294                 return;
295
296         /* We're the last head */
297         if (count_heads(output) <= 1)
298                 weston_output_destroy(output);
299 }
300
301 static void
302 add_head_destroyed_listener(struct weston_head *head)
303 {
304         /* We already have a destroy listener */
305         if (weston_head_get_destroy_listener(head, handle_head_destroy))
306                 return;
307
308         struct wl_listener *listener = zalloc(sizeof *listener);
309         if (!listener)
310                 return;
311
312         listener->notify = handle_head_destroy;
313         weston_head_add_destroy_listener(head, listener);
314 }
315
316 static int
317 ivi_configure_windowed_output_from_config(struct ivi_output *output,
318                                           struct ivi_output_config *defaults)
319 {
320         struct ivi_compositor *ivi = output->ivi;
321         struct weston_config_section *section = output->config;
322         int width;
323         int height;
324         int scale;
325
326         if (section) {
327                 char *mode;
328
329                 weston_config_section_get_string(section, "mode", &mode, NULL);
330                 if (!mode || sscanf(mode, "%dx%d", &width, &height) != 2) {
331                         weston_log("Invalid mode for output %s. Using defaults.\n",
332                                    output->name);
333                         width = defaults->width;
334                         height = defaults->height;
335                 }
336                 free(mode);
337         }
338
339         scale = defaults->scale;
340
341         if (ivi->cmdline.width)
342                 width = ivi->cmdline.width;
343         if (ivi->cmdline.height)
344                 height = ivi->cmdline.height;
345
346         if (ivi->cmdline.scale)
347                 scale = ivi->cmdline.scale;
348
349         weston_output_set_scale(output->output, scale);
350         weston_output_set_transform(output->output, defaults->transform);
351
352         if (ivi->window_api->output_set_size(output->output, width, height) < 0) {
353                 weston_log("Cannot configure output '%s' using weston_windowed_output_api.\n",
354                            output->name);
355                 return -1;
356         }
357
358
359         weston_log("Configured windowed_output_api to %dx%d, scale %d\n",
360                    width, height, scale);
361
362         return 0;
363 }
364
365 static int
366 parse_transform(const char *transform, uint32_t *out)
367 {
368         static const struct { const char *name; uint32_t token; } transforms[] = {
369                 { "normal",             WL_OUTPUT_TRANSFORM_NORMAL },
370                 { "rotate-90",          WL_OUTPUT_TRANSFORM_90 },
371                 { "rotate-180",         WL_OUTPUT_TRANSFORM_180 },
372                 { "rotate-270",         WL_OUTPUT_TRANSFORM_270 },
373                 { "flipped",            WL_OUTPUT_TRANSFORM_FLIPPED },
374                 { "flipped-rotate-90",  WL_OUTPUT_TRANSFORM_FLIPPED_90 },
375                 { "flipped-rotate-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
376                 { "flipped-rotate-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
377         };
378
379         for (size_t i = 0; i < ARRAY_LENGTH(transforms); i++)
380                 if (strcmp(transforms[i].name, transform) == 0) {
381                         *out = transforms[i].token;
382                         return 0;
383                 }
384
385         *out = WL_OUTPUT_TRANSFORM_NORMAL;
386         return -1;
387 }
388
389 int
390 parse_activation_area(const char *geometry, struct ivi_output *output)
391 {
392         int n;
393         unsigned width, height, x, y;
394
395         n = sscanf(geometry, "%ux%u+%u,%u", &width, &height, &x, &y);
396         if (n != 4) {
397                 return -1;
398         }
399         output->area_activation.width = width;
400         output->area_activation.height = height;
401         output->area_activation.x = x;
402         output->area_activation.y = y;
403         return 0;
404 }
405
406 static int
407 drm_configure_output(struct ivi_output *output)
408 {
409         struct ivi_compositor *ivi = output->ivi;
410         struct weston_config_section *section = output->config;
411         int32_t scale = 1;
412         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
413         enum weston_drm_backend_output_mode mode =
414                 WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
415         char *modeline = NULL;
416         char *gbm_format = NULL;
417         char *seat = NULL;
418
419         if (section) {
420                 char *t;
421
422                 weston_config_section_get_int(section, "scale", &scale, 1);
423                 weston_config_section_get_string(section, "transform", &t, "normal");
424                 if (parse_transform(t, &transform) < 0)
425                         weston_log("Invalid transform \"%s\" for output %s\n",
426                                    t, output->name);
427                 weston_config_section_get_string(section, "activation-area", &t, "");
428                 if (parse_activation_area(t, output) < 0)
429                         weston_log("Invalid activation-area \"%s\" for output %s\n",
430                                    t, output->name);
431                 free(t);
432         }
433
434         weston_output_set_scale(output->output, scale);
435         weston_output_set_transform(output->output, transform);
436
437         if (section) {
438                 char *m;
439                 weston_config_section_get_string(section, "mode", &m, "preferred");
440
441                 /* This should have been handled earlier */
442                 assert(strcmp(m, "off") != 0);
443
444                 if (ivi->cmdline.use_current_mode || strcmp(m, "current") == 0) {
445                         mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
446                 } else if (strcmp(m, "preferred") != 0) {
447                         modeline = m;
448                         m = NULL;
449                 }
450                 free(m);
451
452                 weston_config_section_get_string(section, "gbm-format",
453                                                  &gbm_format, NULL);
454
455                 weston_config_section_get_string(section, "seat", &seat, "");
456         }
457
458         if (ivi->drm_api->set_mode(output->output, mode, modeline) < 0) {
459                 weston_log("Cannot configure output using weston_drm_output_api.\n");
460                 free(modeline);
461                 return -1;
462         }
463         free(modeline);
464
465         ivi->drm_api->set_gbm_format(output->output, gbm_format);
466         free(gbm_format);
467
468         ivi->drm_api->set_seat(output->output, seat);
469         free(seat);
470
471         return 0;
472 }
473
474 /*
475  * Reorgainizes the output's add array into two sections.
476  * add[0..ret-1] are the heads that failed to get attached.
477  * add[ret..add_len] are the heads that were successfully attached.
478  *
479  * The order between elements in each section is stable.
480  */
481 static size_t
482 try_attach_heads(struct ivi_output *output)
483 {
484         size_t fail_len = 0;
485
486         for (size_t i = 1; i < output->add_len; i++) {
487                 if (weston_output_attach_head(output->output, output->add[i]) < 0) {
488                         struct weston_head *tmp = output->add[i];
489                         memmove(&output->add[fail_len + 1], output->add[fail_len],
490                                 sizeof output->add[0] * (i - fail_len));
491                         output->add[fail_len++] = tmp;
492                 }
493         }
494         return fail_len;
495 }
496
497 /* Place output exactly to the right of the most recently enabled output.
498  *
499  * Historically, we haven't given much thought to output placement,
500  * simply adding outputs in a horizontal line as they're enabled. This
501  * function simply sets an output's x coordinate to the right of the
502  * most recently enabled output, and its y to zero.
503  *
504  * If you're adding new calls to this function, you're also not giving
505  * much thought to output placement, so please consider carefully if
506  * it's really doing what you want.
507  *
508  * You especially don't want to use this for any code that won't
509  * immediately enable the passed output.
510  */
511 static void
512 weston_output_lazy_align(struct weston_output *output)
513 {
514         struct weston_compositor *c;
515         struct weston_output *peer;
516         int next_x = 0;
517
518         /* Put this output to the right of the most recently enabled output */
519         c = output->compositor;
520         if (!wl_list_empty(&c->output_list)) {
521                 peer = container_of(c->output_list.prev,
522                                 struct weston_output, link);
523                 next_x = peer->pos.c.x + peer->width;
524         }
525         output->pos.c.x = next_x;
526         output->pos.c.y = 0;
527 }
528
529
530 /*
531  * Like try_attach_heads, this reorganizes the output's add array into a failed
532  * and successful section.
533  * i is the number of heads that already failed the previous step.
534  */
535 static size_t
536 try_enable_output(struct ivi_output *output, size_t i)
537 {
538         for (; i < output->add_len; ++i) {
539                 struct weston_head *head;
540
541                 weston_output_lazy_align(output->output);
542
543                 if (weston_output_enable(output->output) == 0)
544                         break;
545
546                 head = output->add[output->add_len - 1];
547                 memmove(&output->add[i + 1], &output->add[i],
548                         sizeof output->add[0] * (output->add_len - i));
549                 output->add[i] = head;
550
551                 weston_head_detach(head);
552         }
553
554         return i;
555 }
556
557 static int
558 try_attach_enable_heads(struct ivi_output *output)
559 {
560         size_t fail_len;
561         assert(!output->output->enabled);
562
563         fail_len = try_attach_heads(output);
564
565         if (drm_configure_output(output) < 0)
566                 return -1;
567
568         fail_len = try_enable_output(output, fail_len);
569
570         /* All heads failed to be attached */
571         if (fail_len == output->add_len)
572                 return -1;
573
574         /* For each successful head attached */
575         for (size_t i = fail_len; i < output->add_len; ++i)
576                 add_head_destroyed_listener(output->add[i]);
577
578         ivi_layout_restore(output->ivi, output);
579
580         output->add_len = fail_len;
581         return 0;
582 }
583
584 static int
585 process_output(struct ivi_output *output)
586 {
587         if (output->output->enabled) {
588                 output->add_len = try_attach_heads(output);
589                 return output->add_len == 0 ? 0 : -1;
590         }
591
592         return try_attach_enable_heads(output);
593 }
594
595 static void
596 drm_head_disable(struct ivi_compositor *ivi, struct weston_head *head)
597 {
598         struct weston_output *output;
599         struct ivi_output *ivi_output;
600         struct wl_listener *listener;
601
602         output = weston_head_get_output(head);
603         assert(output);
604
605         listener = weston_output_get_destroy_listener(output,
606                                                       handle_output_destroy);
607         assert(listener);
608
609         ivi_output = wl_container_of(listener, ivi_output, output_destroy);
610         assert(ivi_output->output == output);
611
612         weston_head_detach(head);
613         if (count_heads(ivi_output->output) == 0) {
614                 if (ivi_output->output) {
615                         /* ivi_output->output destruction may be deferred in
616                          * some cases (see drm_output_destroy()), so we need to
617                          * forcibly trigger the destruction callback now, or
618                          * otherwise would later access data that we are about
619                          * to free
620                          */
621                         struct weston_output *save = ivi_output->output;
622
623                         handle_output_destroy(&ivi_output->output_destroy, save);
624                         weston_output_destroy(save);
625                 }
626         }
627         wl_list_remove(&ivi_output->link);
628         free(ivi_output->app_ids);
629         free(ivi_output);
630 }
631
632 static struct weston_config_section *
633 find_controlling_output_config(struct weston_config *config,
634                                const char *name)
635 {
636         struct weston_config_section *section;
637         char *same_as;
638         int depth = 0;
639
640         same_as = strdup(name);
641         do {
642                 section = weston_config_get_section(config, "output",
643                                                     "name", same_as);
644                 if (!section && depth > 0)
645                         weston_log("Configuration error: output section reffered"
646                                    "to by same-as=%s not found.\n", same_as);
647                 free(same_as);
648
649                 if (!section)
650                         return NULL;
651
652                 if (depth++ > 8) {
653                         weston_log("Configuration error: same-as nested too "
654                                    "deep for output '%s'.\n", name);
655                         return NULL;
656                 }
657
658                 weston_config_section_get_string(section, "same-as",
659                                                  &same_as, NULL);
660         } while (same_as);
661
662         return section;
663 }
664
665 static void
666 drm_head_prepare_enable(struct ivi_compositor *ivi, struct weston_head *head)
667 {
668         const char *name = weston_head_get_name(head);
669         struct weston_config_section *section;
670         struct ivi_output *output;
671         char *output_name = NULL;
672
673
674         section = find_controlling_output_config(ivi->config, name);
675         if (section) {
676                 char *mode;
677
678                 weston_config_section_get_string(section, "mode", &mode, NULL);
679                 if (mode && strcmp(mode, "off") == 0) {
680                         free(mode);
681                         return;
682                 }
683                 free(mode);
684
685                 weston_config_section_get_string(section, "name",
686                                                  &output_name, NULL);
687         } else {
688                 output_name = strdup(name);
689         }
690
691         if (!output_name)
692                 return;
693
694         output = ivi_ensure_output(ivi, output_name, section, head);
695         if (!output)
696                 return;
697
698         if (output->add_len >= ARRAY_LENGTH(output->add))
699                 return;
700
701         output->add[output->add_len++] = head;
702 }
703
704 static void
705 drm_heads_changed(struct wl_listener *listener, void *arg)
706 {
707         struct weston_compositor *compositor = arg;
708         struct weston_head *head = NULL;
709         struct ivi_compositor *ivi = to_ivi_compositor(compositor);
710         struct ivi_output *output;
711
712         while ((head = weston_compositor_iterate_heads(ivi->compositor, head))) {
713                 bool connected = weston_head_is_connected(head);
714                 bool enabled = weston_head_is_enabled(head);
715                 bool changed = weston_head_is_device_changed(head);
716                 bool non_desktop = weston_head_is_non_desktop(head);
717
718                 if (connected && !enabled && !non_desktop)
719                         drm_head_prepare_enable(ivi, head);
720                 else if (!connected && enabled)
721                         drm_head_disable(ivi, head);
722                 else if (enabled && changed)
723                         weston_log("Detected a monitor change on head '%s', "
724                                    "not bothering to do anything about it.\n",
725                                    weston_head_get_name(head));
726
727                 weston_head_reset_device_changed(head);
728         }
729
730         wl_list_for_each(output, &ivi->outputs, link) {
731                 if (output->add_len == 0)
732                         continue;
733
734                 if (process_output(output) < 0) {
735                         output->add_len = 0;
736                         ivi->init_failed = true;
737                 }
738         }
739 }
740
741 static void
742 simple_head_enable(struct ivi_compositor *ivi, struct weston_head *head)
743 {
744         struct ivi_output *output;
745         struct weston_config_section *section;
746         char *output_name = NULL;
747         const char *name = weston_head_get_name(head);
748
749         section = find_controlling_output_config(ivi->config, name);
750         if (section) {
751                 char *mode;
752
753                 weston_config_section_get_string(section, "mode", &mode, NULL);
754                 if (mode && strcmp(mode, "off") == 0) {
755                         free(mode);
756                         return;
757                 }
758                 free(mode);
759
760                 weston_config_section_get_string(section, "name",
761                                                  &output_name, NULL);
762         } else {
763                 output_name = strdup(name);
764         }
765
766         if (!output_name)
767                 return;
768
769         output = ivi_ensure_output(ivi, output_name, section, head);
770         if (!output) {
771                 weston_log("Failed to create output %s\n", output_name);
772                 return;
773         }
774
775         add_head_destroyed_listener(head);
776 }
777
778
779 static void
780 simple_head_disable(struct weston_head *head)
781 {
782         struct weston_output *output;
783         struct wl_listener *listener;
784
785         listener = weston_head_get_destroy_listener(head, handle_head_destroy);
786         wl_list_empty(&listener->link);
787
788         output = weston_head_get_output(head);
789         assert(output);
790         weston_output_destroy(output);
791 }
792
793
794 static void
795 simple_heads_changed(struct wl_listener *listener, void *arg)
796 {
797         struct weston_compositor *compositor = arg;
798         struct ivi_compositor *ivi = to_ivi_compositor(compositor);
799         struct weston_head *head = NULL;
800         bool connected;
801         bool enabled;
802         bool changed;
803         bool non_desktop;
804
805         while ((head = weston_compositor_iterate_heads(ivi->compositor, head))) {
806                 connected = weston_head_is_connected(head);
807                 enabled = weston_head_is_enabled(head);
808                 changed = weston_head_is_device_changed(head);
809                 non_desktop = weston_head_is_non_desktop(head);
810
811                 if (connected && !enabled && !non_desktop) {
812                         simple_head_enable(ivi, head);
813                 } else if (!connected && enabled) {
814                         simple_head_disable(head);
815                 } else if (enabled && changed) {
816                         weston_log("Detected a monitor change on head '%s', "
817                                         "not bothering to do anything about it.\n",
818                                         weston_head_get_name(head));
819                 }
820                 weston_head_reset_device_changed(head);
821         }
822 }
823
824
825 #ifdef HAVE_REMOTING
826 static int
827 drm_backend_remoted_output_configure(struct weston_output *output,
828                                      struct weston_config_section *section,
829                                      char *modeline,
830                                      const struct weston_remoting_api *api)
831 {
832         char *gbm_format = NULL;
833         char *seat = NULL;
834         char *host = NULL;
835         char *pipeline = NULL;
836         int port, ret;
837         int32_t scale = 1;
838         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
839         char *trans;
840
841         ret = api->set_mode(output, modeline);
842         if (ret < 0) {
843                 weston_log("Cannot configure an output \"%s\" using "
844                                 "weston_remoting_api. Invalid mode\n",
845                                 output->name);
846                 return -1;
847         }
848
849         weston_config_section_get_int(section, "scale", &scale, 1);
850         weston_output_set_scale(output, scale);
851
852         weston_config_section_get_string(section, "transform", &trans, "normal");
853         if (parse_transform(trans, &transform) < 0) {
854                 weston_log("Invalid transform \"%s\" for output %s\n",
855                            trans, output->name);
856         }
857         weston_output_set_transform(output, transform);
858
859         weston_config_section_get_string(section, "gbm-format",
860                                          &gbm_format, NULL);
861         api->set_gbm_format(output, gbm_format);
862         free(gbm_format);
863
864         weston_config_section_get_string(section, "seat", &seat, "");
865
866         api->set_seat(output, seat);
867         free(seat);
868
869         weston_config_section_get_string(section, "gst-pipeline", &pipeline,
870                         NULL);
871         if (pipeline) {
872                 api->set_gst_pipeline(output, pipeline);
873                 free(pipeline);
874                 return 0;
875         }
876
877         weston_config_section_get_string(section, "host", &host, NULL);
878         weston_config_section_get_int(section, "port", &port, 0);
879         if (!host || port <= 0 || 65533 < port) {
880                 weston_log("Cannot configure an output \"%s\". "
881                                 "Need to specify gst-pipeline or "
882                                 "host and port (1-65533).\n", output->name);
883         }
884         api->set_host(output, host);
885         free(host);
886         api->set_port(output, port);
887
888         return 0;
889 }
890
891
892 static int
893 remote_output_init(struct ivi_output *ivi_output,
894                    struct weston_compositor *compositor,
895                    struct weston_config_section *section,
896                    const struct weston_remoting_api *api)
897 {
898         char *output_name, *modeline = NULL;
899         int ret = -1;
900
901         weston_config_section_get_string(section, "name", &output_name, NULL);
902         if (!output_name)
903                 return ret;
904
905         weston_config_section_get_string(section, "mode", &modeline, "off");
906         if (strcmp(modeline, "off") == 0)
907                 goto err;
908
909         ivi_output->output = api->create_output(compositor, output_name);
910         if (!ivi_output->output) {
911                 weston_log("Cannot create remoted output \"%s\".\n",
912                                 output_name);
913                 goto err;
914         }
915
916         ret = drm_backend_remoted_output_configure(ivi_output->output, section,
917                                                    modeline, api);
918         if (ret < 0) {
919                 weston_log("Cannot configure remoted output \"%s\".\n",
920                                 output_name);
921                 goto err;
922         }
923
924         if ((ret = weston_output_enable(ivi_output->output)) < 0) {
925                 weston_log("Enabling remoted output \"%s\" failed.\n",
926                                 output_name);
927                 goto err;
928         }
929
930         free(modeline);
931         free(output_name);
932         weston_log("remoted output '%s' enabled\n", ivi_output->output->name);
933
934         return 0;
935
936 err:
937         free(modeline);
938         free(output_name);
939         if (ivi_output->output)
940                 weston_output_destroy(ivi_output->output);
941
942         return ret;
943 }
944
945 static void
946 ivi_enable_remote_outputs(struct ivi_compositor *ivi)
947 {
948         struct weston_config_section *remote_section = NULL;
949         const char *section_name;
950         struct weston_config *config = ivi->config;
951
952         while (weston_config_next_section(config, &remote_section, &section_name)) {
953                 if (strcmp(section_name, "remote-output"))
954                         continue;
955
956                 struct ivi_output *ivi_output = NULL;
957                 bool output_found = false;
958                 char *_name = NULL;
959
960                 weston_config_section_get_string(remote_section,
961                                                  "name", &_name, NULL);
962                 wl_list_for_each(ivi_output, &ivi->outputs, link) {
963                         if (!strcmp(ivi_output->name, _name)) {
964                                 output_found = true;
965                                 break;
966                         }
967                 }
968
969                 if (output_found) {
970                         free(_name);
971                         continue;
972                 }
973
974                 ivi_output = zalloc(sizeof(*ivi_output));
975                 if (!ivi_output) {
976                         free(_name);
977                         continue;
978                 }
979
980                 ivi_output->ivi = ivi;
981                 ivi_output->name = _name;
982                 ivi_output->config = remote_section;
983                 ivi_output->type = OUTPUT_REMOTE;
984
985                 if (remote_output_init(ivi_output, ivi->compositor,
986                                        remote_section, ivi->remoting_api)) {
987                         free(ivi_output->name);
988                         free(ivi_output);
989                         continue;
990                 }
991
992                 ivi_output->output_destroy.notify = handle_output_destroy;
993                 weston_output_add_destroy_listener(ivi_output->output,
994                                                    &ivi_output->output_destroy);
995
996                 wl_list_insert(&ivi->outputs, &ivi_output->link);
997                 ivi_output_configure_app_id(ivi_output);
998         }
999 }
1000
1001 static int
1002 load_remoting_plugin(struct ivi_compositor *ivi, struct weston_config *config)
1003 {
1004         struct weston_compositor *compositor = ivi->compositor;
1005         int (*module_init)(struct weston_compositor *wc);
1006
1007         module_init = weston_load_module("remoting-plugin.so",
1008                                          "weston_module_init",
1009                                          LIBWESTON_MODULEDIR);
1010         if (!module_init)
1011                 return -1;
1012
1013         if (module_init(compositor) < 0)
1014                 return -1;
1015
1016         ivi->remoting_api = weston_remoting_get_api(compositor);
1017         if (!ivi->remoting_api)
1018                 return -1;
1019         return 0;
1020 }
1021 #else
1022 static int
1023 load_remoting_plugin(struct weston_compositor *compositor, struct weston_config *config)
1024 {
1025         return -1;
1026 }
1027 #endif
1028
1029 static int
1030 load_drm_backend(struct ivi_compositor *ivi, int *argc, char *argv[],
1031                  enum weston_renderer_type renderer)
1032 {
1033         struct weston_drm_backend_config config = {
1034                 .base = {
1035                         .struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION,
1036                         .struct_size = sizeof config,
1037                 },
1038         };
1039         struct weston_config_section *section;
1040         int use_current_mode = 0;
1041         bool force_pixman = false;
1042         bool use_shadow;
1043         bool without_input = false;
1044
1045         const struct weston_option options[] = {
1046                 { WESTON_OPTION_STRING, "seat", 0, &config.seat_id },
1047                 { WESTON_OPTION_STRING, "drm-device", 0, &config.specific_device },
1048                 { WESTON_OPTION_BOOLEAN, "current-mode", 0, &use_current_mode },
1049                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &force_pixman },
1050                 { WESTON_OPTION_BOOLEAN, "continue-without-input", false, &without_input }
1051         };
1052
1053         parse_options(options, ARRAY_LENGTH(options), argc, argv);
1054
1055         if (force_pixman)
1056                 config.renderer = WESTON_RENDERER_PIXMAN;
1057         else
1058                 config.renderer = WESTON_RENDERER_AUTO;
1059
1060         ivi->cmdline.use_current_mode = use_current_mode;
1061
1062         section = weston_config_get_section(ivi->config, "core", NULL, NULL);
1063         weston_config_section_get_string(section, "gbm-format",
1064                                          &config.gbm_format, NULL);
1065         weston_config_section_get_uint(section, "pageflip-timeout",
1066                                        &config.pageflip_timeout, 0);
1067         weston_config_section_get_bool(section, "pixman-shadow", &use_shadow, 1);
1068         config.use_pixman_shadow = use_shadow;
1069
1070         if (without_input)
1071                 ivi->compositor->require_input = !without_input;
1072
1073         ivi->heads_changed.notify = drm_heads_changed;
1074         weston_compositor_add_heads_changed_listener(ivi->compositor,
1075                                                      &ivi->heads_changed);
1076
1077         if (!weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_DRM,
1078                                             &config.base))
1079                 return -1;
1080
1081         ivi->drm_api = weston_drm_output_get_api(ivi->compositor);
1082         if (!ivi->drm_api) {
1083                 weston_log("Cannot use drm output api.\n");
1084                 goto error;
1085         }
1086
1087         load_remoting_plugin(ivi, ivi->config);
1088
1089         return 0;
1090
1091 error:
1092         free(config.gbm_format);
1093         free(config.seat_id);
1094         return -1;
1095 }
1096
1097 static void
1098 windowed_parse_common_options(struct ivi_compositor *ivi, int *argc, char *argv[],
1099                               bool *force_pixman, bool *fullscreen, int *output_count)
1100 {
1101         struct weston_config_section *section;
1102         bool pixman;
1103         int fs = 0;
1104
1105         const struct weston_option options[] = {
1106                 { WESTON_OPTION_INTEGER, "width", 0, &ivi->cmdline.width },
1107                 { WESTON_OPTION_INTEGER, "height", 0, &ivi->cmdline.height },
1108                 { WESTON_OPTION_INTEGER, "scale", 0, &ivi->cmdline.scale },
1109                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &force_pixman },
1110                 { WESTON_OPTION_BOOLEAN, "fullscreen", 0, &fs },
1111                 { WESTON_OPTION_INTEGER, "output-count", 0, output_count },
1112         };
1113
1114         section = weston_config_get_section(ivi->config, "core", NULL, NULL);
1115         weston_config_section_get_bool(section, "use-pixman", &pixman, false);
1116
1117         *output_count = 1;
1118         parse_options(options, ARRAY_LENGTH(options), argc, argv);
1119         *force_pixman = pixman;
1120         *fullscreen = fs;
1121 }
1122
1123 static int
1124 windowed_create_outputs(struct ivi_compositor *ivi, int output_count,
1125                         const char *match_prefix, const char *name_prefix)
1126 {
1127         struct weston_config_section *section = NULL;
1128         const char *section_name;
1129         char *default_output = NULL;
1130         int i = 0;
1131         size_t match_len = strlen(match_prefix);
1132
1133         while (weston_config_next_section(ivi->config, &section, &section_name)) {
1134                 char *output_name;
1135
1136                 if (i >= output_count)
1137                         break;
1138
1139                 if (strcmp(section_name, "output") != 0)
1140                         continue;
1141
1142                 weston_config_section_get_string(section, "name", &output_name, NULL);
1143                 if (output_name == NULL)
1144                         continue;
1145                 if (strncmp(output_name, match_prefix, match_len) != 0) {
1146                         free(output_name);
1147                         continue;
1148                 }
1149
1150                 if (ivi->window_api->create_head(ivi->backend, output_name) < 0) {
1151                         free(output_name);
1152                         return -1;
1153                 }
1154
1155                 free(output_name);
1156                 ++i;
1157         }
1158
1159         for (; i < output_count; ++i) {
1160                 if (asprintf(&default_output, "%s%d", name_prefix, i) < 0)
1161                         return -1;
1162
1163                 if (ivi->window_api->create_head(ivi->backend, default_output) < 0) {
1164                         free(default_output);
1165                         return -1;
1166                 }
1167
1168                 free(default_output);
1169         }
1170
1171         return 0;
1172 }
1173
1174
1175 static int
1176 wayland_backend_output_configure(struct weston_output *output)
1177 {
1178         struct ivi_output_config defaults = {
1179                 .width = WINDOWED_DEFAULT_WIDTH,
1180                 .height = WINDOWED_DEFAULT_HEIGHT,
1181                 .scale = 1,
1182                 .transform = WL_OUTPUT_TRANSFORM_NORMAL
1183         };
1184
1185         return ivi_configure_windowed_output_from_config(to_ivi_output(output), &defaults);
1186 }
1187
1188 static int
1189 load_wayland_backend(struct ivi_compositor *ivi, int *argc, char *argv[],
1190                      enum weston_renderer_type renderer)
1191 {
1192         struct weston_wayland_backend_config config = {
1193                 .base = {
1194                         .struct_version = WESTON_WAYLAND_BACKEND_CONFIG_VERSION,
1195                         .struct_size = sizeof config,
1196                 },
1197         };
1198         struct weston_config_section *section;
1199         int sprawl = 0;
1200         int output_count;
1201         bool force_pixman = false;
1202
1203         const struct weston_option options[] = {
1204                 { WESTON_OPTION_STRING, "display", 0, &config.display_name },
1205                 { WESTON_OPTION_STRING, "sprawl", 0, &sprawl },
1206         };
1207
1208         windowed_parse_common_options(ivi, argc, argv, &force_pixman,
1209                                       &config.fullscreen, &output_count);
1210
1211         parse_options(options, ARRAY_LENGTH(options), argc, argv);
1212         config.sprawl = sprawl;
1213
1214         section = weston_config_get_section(ivi->config, "shell", NULL, NULL);
1215         weston_config_section_get_string(section, "cursor-theme",
1216                                          &config.cursor_theme, NULL);
1217         weston_config_section_get_int(section, "cursor-size",
1218                                       &config.cursor_size, 32);
1219
1220         ivi->simple_output_configure = wayland_backend_output_configure;
1221         ivi->heads_changed.notify = simple_heads_changed;
1222         weston_compositor_add_heads_changed_listener(ivi->compositor,
1223                                                      &ivi->heads_changed);
1224
1225         ivi->backend = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_WAYLAND,
1226                                                       &config.base);
1227
1228         free(config.cursor_theme);
1229         free(config.display_name);
1230
1231         if (!ivi->backend)
1232                 return -1;
1233
1234         ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
1235
1236         /*
1237          * We will just assume if load_backend() finished cleanly and
1238          * windowed_output_api is not present that wayland backend is started
1239          * with --sprawl or runs on fullscreen-shell. In this case, all values
1240          * are hardcoded, so nothing can be configured; simply create and
1241          * enable an output.
1242          */
1243         if (ivi->window_api == NULL)
1244                 return 0;
1245
1246         return windowed_create_outputs(ivi, output_count, "WL", "wayland");
1247 }
1248
1249 #ifdef HAVE_BACKEND_X11
1250 static int
1251 x11_backend_output_configure(struct weston_output *output)
1252 {
1253         struct ivi_output_config defaults = {
1254                 .width = WINDOWED_DEFAULT_WIDTH,
1255                 .height = WINDOWED_DEFAULT_HEIGHT,
1256                 .scale = 1,
1257                 .transform = WL_OUTPUT_TRANSFORM_NORMAL
1258         };
1259
1260         return ivi_configure_windowed_output_from_config(to_ivi_output(output), &defaults);
1261 }
1262
1263 static int
1264 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[],
1265                  enum weston_renderer_type renderer)
1266 {
1267         struct weston_x11_backend_config config = {
1268                 .base = {
1269                         .struct_version = WESTON_X11_BACKEND_CONFIG_VERSION,
1270                         .struct_size = sizeof config,
1271                 },
1272         };
1273         int no_input = 0;
1274         int output_count;
1275         bool force_pixman = false;
1276
1277         const struct weston_option options[] = {
1278                { WESTON_OPTION_BOOLEAN, "no-input", 0, &no_input },
1279         };
1280
1281         windowed_parse_common_options(ivi, argc, argv, &force_pixman,
1282                                       &config.fullscreen, &output_count);
1283
1284         parse_options(options, ARRAY_LENGTH(options), argc, argv);
1285         if (force_pixman)
1286                 config.renderer = WESTON_RENDERER_PIXMAN;
1287         else
1288                 config.renderer = WESTON_RENDERER_AUTO;
1289         config.no_input = no_input;
1290
1291         ivi->simple_output_configure = x11_backend_output_configure;
1292
1293         ivi->heads_changed.notify = simple_heads_changed;
1294         weston_compositor_add_heads_changed_listener(ivi->compositor,
1295                                                      &ivi->heads_changed);
1296
1297         if (!weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_X11, &config.base))
1298                 return -1;
1299
1300         ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
1301         if (!ivi->window_api) {
1302                 weston_log("Cannot use weston_windowed_output_api.\n");
1303                 return -1;
1304         }
1305
1306         return windowed_create_outputs(ivi, output_count, "X", "screen");
1307 }
1308 #else
1309 static int
1310 load_x11_backend(struct ivi_compositor *ivi, int *argc, char **argv,
1311                  enum weston_renderer_type renderer)
1312 {
1313         return -1;
1314 }
1315 #endif
1316
1317 #ifdef HAVE_BACKEND_RDP
1318 static void
1319 weston_rdp_backend_config_init(struct weston_rdp_backend_config *config)
1320 {
1321         config->base.struct_version = WESTON_RDP_BACKEND_CONFIG_VERSION;
1322         config->base.struct_size = sizeof(struct weston_rdp_backend_config);
1323
1324         config->bind_address = NULL;
1325         config->port = 3389;
1326         config->rdp_key = NULL;
1327         config->server_cert = NULL;
1328         config->server_key = NULL;
1329         config->env_socket = 0;
1330         config->no_clients_resize = 1;
1331         config->force_no_compression = 0;
1332 }
1333
1334 static int
1335 rdp_backend_output_configure(struct weston_output *output)
1336 {
1337         struct ivi_compositor *ivi = to_ivi_compositor(output->compositor);
1338         struct ivi_output_config *parsed_options = ivi->parsed_options;
1339         const struct weston_rdp_output_api *api =
1340                 weston_rdp_output_get_api(output->compositor);
1341         int width = 640;
1342         int height = 480;
1343         struct weston_config_section *section;
1344         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
1345         char *transform_string;
1346         struct weston_mode new_mode = {};
1347
1348         assert(parsed_options);
1349
1350         if (!api) {
1351                 weston_log("Cannot use weston_rdp_output_api.\n");
1352                 return -1;
1353         }
1354
1355         section = weston_config_get_section(ivi->config, "rdp", NULL, NULL);
1356
1357         if (parsed_options->width)
1358                 width = parsed_options->width;
1359
1360         if (parsed_options->height)
1361                 height = parsed_options->height;
1362
1363         weston_output_set_scale(output, 1);
1364
1365         weston_config_section_get_int(section, "width",
1366                         &width, width);
1367
1368         weston_config_section_get_int(section, "height",
1369                         &height, height);
1370
1371         if (parsed_options->transform)
1372                 transform = parsed_options->transform;
1373
1374         weston_config_section_get_string(section, "transform",
1375                         &transform_string, "normal");
1376
1377         if (parse_transform(transform_string, &transform) < 0) {
1378                 weston_log("Invalid transform \"%s\" for output %s\n",
1379                            transform_string, output->name);
1380                 return -1;
1381         }
1382
1383
1384         new_mode.width = width;
1385         new_mode.height = height;
1386
1387         api->output_set_mode(output, &new_mode);
1388         weston_output_set_transform(output, transform);
1389
1390         return 0;
1391 }
1392
1393 static int
1394 load_rdp_backend(struct ivi_compositor *ivi, int *argc, char **argv)
1395 {
1396         struct weston_rdp_backend_config config = {};
1397         struct weston_config_section *section;
1398
1399         struct ivi_output_config *parsed_options = ivi_init_parsed_options(ivi->compositor);
1400         if (!parsed_options)
1401                 return -1;
1402
1403         weston_rdp_backend_config_init(&config);
1404
1405         const struct weston_option rdp_options[] = {
1406                 { WESTON_OPTION_BOOLEAN, "env-socket", 0, &config.env_socket },
1407                 { WESTON_OPTION_INTEGER, "width", 0, &parsed_options->width },
1408                 { WESTON_OPTION_INTEGER, "height", 0, &parsed_options->height },
1409                 { WESTON_OPTION_INTEGER, "transform", 0, &parsed_options->transform },
1410                 { WESTON_OPTION_INTEGER, "scale", 0, &parsed_options->scale },
1411                 { WESTON_OPTION_STRING,  "address", 0, &config.bind_address },
1412                 { WESTON_OPTION_INTEGER, "port", 0, &config.port },
1413                 { WESTON_OPTION_BOOLEAN, "no-clients-resize", 0, &config.no_clients_resize },
1414                 { WESTON_OPTION_STRING,  "rdp4-key", 0, &config.rdp_key },
1415                 { WESTON_OPTION_STRING,  "rdp-tls-cert", 0, &config.server_cert },
1416                 { WESTON_OPTION_STRING,  "rdp-tls-key", 0, &config.server_key },
1417                 { WESTON_OPTION_BOOLEAN, "force-no-compression", 0, &config.force_no_compression },
1418         };
1419
1420         section = weston_config_get_section(ivi->config, "rdp", NULL, NULL);
1421
1422         weston_config_section_get_string(section, "tls-cert",
1423                         &config.server_cert, config.server_cert);
1424
1425         weston_config_section_get_string(section, "tls-key",
1426                         &config.server_key, config.server_key);
1427
1428
1429         parse_options(rdp_options, ARRAY_LENGTH(rdp_options), argc, argv);
1430
1431         ivi->simple_output_configure = rdp_backend_output_configure;
1432
1433         ivi->heads_changed.notify = simple_heads_changed;
1434         weston_compositor_add_heads_changed_listener(ivi->compositor,
1435                                                      &ivi->heads_changed);
1436
1437         if (!weston_compositor_load_backend(ivi->compositor,
1438                                             WESTON_BACKEND_RDP, &config.base))
1439                 return -1;
1440
1441         free(config.bind_address);
1442         free(config.rdp_key);
1443         free(config.server_cert);
1444         free(config.server_key);
1445
1446         return 0;
1447 }
1448 #else
1449 static int
1450 load_rdp_backend(struct ivi_compositor *ivi, int *argc, char **argv)
1451 {
1452         return -1;
1453 }
1454 #endif
1455
1456
1457 static int
1458 load_backend(struct ivi_compositor *ivi, int *argc, char **argv,
1459              const char *backend_name, const char *renderer_name)
1460 {
1461         enum weston_compositor_backend backend;
1462         enum weston_renderer_type renderer;
1463
1464         if (!get_backend_from_string(backend_name, &backend)) {
1465                 weston_log("Error: unknown backend \"%s\"\n", backend_name);
1466                 return -1;
1467         }
1468
1469         if (!get_renderer_from_string(renderer_name, &renderer)) {
1470                 weston_log("Error: unknown renderer \"%s\"\n", renderer_name);
1471                 return -1;
1472         }
1473
1474         switch (backend) {
1475         case WESTON_BACKEND_DRM:
1476                 return load_drm_backend(ivi, argc, argv, renderer);
1477         case WESTON_BACKEND_RDP:
1478                 return load_rdp_backend(ivi, argc, argv);
1479         case WESTON_BACKEND_WAYLAND:
1480                 return load_wayland_backend(ivi, argc, argv, renderer);
1481         case WESTON_BACKEND_X11:
1482                 return load_x11_backend(ivi, argc, argv, renderer);
1483         default:
1484                 assert(!"unknown backend type in load_backend()");
1485         }
1486
1487         return 0;
1488 }
1489
1490 static int
1491 load_modules(struct ivi_compositor *ivi, const char *modules,
1492              int *argc, char *argv[], bool *xwayland)
1493 {
1494         const char *p, *end;
1495         char buffer[256];
1496         int (*module_init)(struct weston_compositor *wc, int argc, char *argv[]);
1497
1498         if (modules == NULL)
1499                 return 0;
1500
1501         p = modules;
1502         while (*p) {
1503                 end = strchrnul(p, ',');
1504                 snprintf(buffer, sizeof buffer, "%.*s", (int) (end - p), p);
1505
1506                 if (strstr(buffer, "xwayland.so")) {
1507                         *xwayland = true;
1508                 } else if (strstr(buffer, "systemd-notify.so")) {
1509                         weston_log("systemd-notify plug-in already loaded!\n");
1510                 } else {
1511                         module_init = weston_load_module(buffer, "wet_module_init", WESTON_MODULEDIR);
1512                         if (!module_init)
1513                                 return -1;
1514
1515                         if (module_init(ivi->compositor, *argc, argv) < 0)
1516                                 return -1;
1517
1518                 }
1519
1520                 p = end;
1521                 while (*p == ',')
1522                         p++;
1523         }
1524
1525         return 0;
1526 }
1527
1528
1529 static char *
1530 choose_default_backend(void)
1531 {
1532         char *backend = NULL;
1533
1534         if (getenv("WAYLAND_DISPLAY") || getenv("WAYLAND_SOCKET"))
1535                 backend = strdup("wayland-backend.so");
1536         else if (getenv("DISPLAY"))
1537                 backend = strdup("x11-backend.so");
1538         else
1539                 backend = strdup("drm-backend.so");
1540
1541         return backend;
1542 }
1543
1544 static int
1545 compositor_init_config(struct ivi_compositor *ivi)
1546 {
1547         struct xkb_rule_names xkb_names;
1548         struct weston_config_section *section;
1549         struct weston_compositor *compositor = ivi->compositor;
1550         struct weston_config *config = ivi->config;
1551         int repaint_msec;
1552         bool vt_switching;
1553         bool require_input;
1554
1555         /* agl-compositor.ini [keyboard] */
1556         section = weston_config_get_section(config, "keyboard", NULL, NULL);
1557         weston_config_section_get_string(section, "keymap_rules",
1558                                          (char **) &xkb_names.rules, NULL);
1559         weston_config_section_get_string(section, "keymap_model",
1560                                          (char **) &xkb_names.model, NULL);
1561         weston_config_section_get_string(section, "keymap_layout",
1562                                          (char **) &xkb_names.layout, NULL);
1563         weston_config_section_get_string(section, "keymap_variant",
1564                                          (char **) &xkb_names.variant, NULL);
1565         weston_config_section_get_string(section, "keymap_options",
1566                                          (char **) &xkb_names.options, NULL);
1567
1568         if (weston_compositor_set_xkb_rule_names(compositor, &xkb_names) < 0)
1569                 return -1;
1570
1571         weston_config_section_get_int(section, "repeat-rate",
1572                                       &compositor->kb_repeat_rate, 40);
1573         weston_config_section_get_int(section, "repeat-delay",
1574                                       &compositor->kb_repeat_delay, 400);
1575
1576         weston_config_section_get_bool(section, "vt-switching",
1577                                        &vt_switching, false);
1578         compositor->vt_switching = vt_switching;
1579
1580         /* agl-compositor.ini [core] */
1581         section = weston_config_get_section(config, "core", NULL, NULL);
1582
1583         weston_config_section_get_bool(section, "disable-cursor",
1584                                        &ivi->disable_cursor, false);
1585         weston_config_section_get_bool(section, "activate-by-default",
1586                                        &ivi->activate_by_default, true);
1587
1588         weston_config_section_get_bool(section, "require-input", &require_input, true);
1589         compositor->require_input = require_input;
1590
1591         weston_config_section_get_int(section, "repaint-window", &repaint_msec,
1592                                       compositor->repaint_msec);
1593         if (repaint_msec < -10 || repaint_msec > 1000) {
1594                 weston_log("Invalid repaint_window value in config: %d\n",
1595                            repaint_msec);
1596         } else {
1597                 compositor->repaint_msec = repaint_msec;
1598         }
1599         weston_log("Output repaint window is %d ms maximum.\n",
1600                    compositor->repaint_msec);
1601
1602         return 0;
1603 }
1604
1605 struct ivi_surface *
1606 to_ivi_surface(struct weston_surface *surface)
1607 {
1608         struct weston_desktop_surface *dsurface;
1609
1610         dsurface = weston_surface_get_desktop_surface(surface);
1611         if (!dsurface)
1612                 return NULL;
1613
1614         return weston_desktop_surface_get_user_data(dsurface);
1615 }
1616
1617 static void
1618 activate_binding(struct weston_seat *seat,
1619                  struct weston_view *focus_view, uint32_t flags)
1620 {
1621         struct weston_surface *focus_surface;
1622         struct weston_surface *main_surface;
1623         struct ivi_surface *ivi_surface;
1624         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(seat);
1625
1626         if (!focus_view)
1627                 return;
1628
1629         focus_surface = focus_view->surface;
1630         main_surface = weston_surface_get_main_surface(focus_surface);
1631
1632         ivi_surface = to_ivi_surface(main_surface);
1633         if (!ivi_surface)
1634                 return;
1635
1636         if (ivi_seat)
1637                 ivi_shell_activate_surface(ivi_surface, ivi_seat, flags);
1638 }
1639
1640 static void
1641 click_to_activate_binding(struct weston_pointer *pointer,
1642                           const struct timespec *time,
1643                           uint32_t button, void *data)
1644 {
1645         if (pointer->grab != &pointer->default_grab)
1646                 return;
1647         if (pointer->focus == NULL)
1648                 return;
1649
1650         activate_binding(pointer->seat, pointer->focus,
1651                          WESTON_ACTIVATE_FLAG_CLICKED);
1652 }
1653
1654 static void
1655 touch_to_activate_binding(struct weston_touch *touch,
1656                           const struct timespec *time,
1657                           void *data)
1658 {
1659         if (touch->grab != &touch->default_grab)
1660                 return;
1661         if (touch->focus == NULL)
1662                 return;
1663
1664         activate_binding(touch->seat, touch->focus,
1665                          WESTON_ACTIVATE_FLAG_NONE);
1666 }
1667
1668 static void
1669 add_bindings(struct weston_compositor *compositor)
1670 {
1671         weston_compositor_add_button_binding(compositor, BTN_LEFT, 0,
1672                                              click_to_activate_binding,
1673                                              NULL);
1674         weston_compositor_add_button_binding(compositor, BTN_RIGHT, 0,
1675                                              click_to_activate_binding,
1676                                              NULL);
1677         weston_compositor_add_touch_binding(compositor, 0,
1678                                             touch_to_activate_binding,
1679                                             NULL);
1680 }
1681
1682 static int
1683 create_listening_socket(struct wl_display *display, const char *socket_name)
1684 {
1685         if (socket_name) {
1686                 if (wl_display_add_socket(display, socket_name)) {
1687                         weston_log("fatal: failed to add socket: %s\n",
1688                                    strerror(errno));
1689                         return -1;
1690                 }
1691         } else {
1692                 socket_name = wl_display_add_socket_auto(display);
1693                 if (!socket_name) {
1694                         weston_log("fatal: failed to add socket: %s\n",
1695                                    strerror(errno));
1696                         return -1;
1697                 }
1698         }
1699
1700         setenv("WAYLAND_DISPLAY", socket_name, 1);
1701
1702         return 0;
1703 }
1704
1705 static bool
1706 global_filter(const struct wl_client *client, const struct wl_global *global,
1707               void *data)
1708 {
1709         return true;
1710 }
1711
1712 static int
1713 load_config(struct weston_config **config, bool no_config,
1714             const char *config_file)
1715 {
1716         const char *file = "agl-compositor.ini";
1717         const char *full_path;
1718
1719         if (config_file)
1720                 file = config_file;
1721
1722         if (!no_config)
1723                 *config = weston_config_parse(file);
1724
1725         if (*config) {
1726                 full_path = weston_config_get_full_path(*config);
1727
1728                 weston_log("Using config file '%s'.\n", full_path);
1729                 setenv(WESTON_CONFIG_FILE_ENV_VAR, full_path, 1);
1730
1731                 return 0;
1732         }
1733
1734         if (config_file && !no_config) {
1735                 weston_log("fatal: error opening or reading config file '%s'.\n",
1736                         config_file);
1737
1738                 return -1;
1739         }
1740
1741         weston_log("Starting with no config file.\n");
1742         setenv(WESTON_CONFIG_FILE_ENV_VAR, "", 1);
1743
1744         return 0;
1745 }
1746
1747 static FILE *logfile;
1748
1749 static char *
1750 log_timestamp(char *buf, size_t len)
1751 {
1752         struct timeval tv;
1753         struct tm *brokendown_time;
1754         char datestr[128];
1755         char timestr[128];
1756
1757         gettimeofday(&tv, NULL);
1758
1759         brokendown_time = localtime(&tv.tv_sec);
1760         if (brokendown_time == NULL) {
1761                 snprintf(buf, len, "%s", "[(NULL)localtime] ");
1762                 return buf;
1763         }
1764
1765         memset(datestr, 0, sizeof(datestr));
1766         if (brokendown_time->tm_mday != cached_tm_mday) {
1767                 strftime(datestr, sizeof(datestr), "Date: %Y-%m-%d %Z\n",
1768                                 brokendown_time);
1769                 cached_tm_mday = brokendown_time->tm_mday;
1770         }
1771
1772         strftime(timestr, sizeof(timestr), "%H:%M:%S", brokendown_time);
1773         /* if datestr is empty it prints only timestr*/
1774         snprintf(buf, len, "%s[%s.%03li]", datestr,
1775                         timestr, (tv.tv_usec / 1000));
1776
1777         return buf;
1778 }
1779
1780 static void
1781 custom_handler(const char *fmt, va_list arg)
1782 {
1783         char timestr[512];
1784
1785         weston_log_scope_printf(log_scope, "%s libwayland: ",
1786                         log_timestamp(timestr, sizeof(timestr)));
1787         weston_log_scope_vprintf(log_scope, fmt, arg);
1788 }
1789
1790 static void
1791 log_file_open(const char *filename)
1792 {
1793         wl_log_set_handler_server(custom_handler);
1794
1795         if (filename)
1796                 logfile = fopen(filename, "a");
1797
1798         if (!logfile) {
1799                 logfile = stderr;
1800         } else {
1801                 os_fd_set_cloexec(fileno(logfile));
1802                 setvbuf(logfile, NULL, _IOLBF, 256);
1803         }
1804 }
1805
1806 static void
1807 log_file_close(void)
1808 {
1809         if (logfile && logfile != stderr)
1810                 fclose(logfile);
1811         logfile = stderr;
1812 }
1813
1814 static int
1815 vlog(const char *fmt, va_list ap)
1816 {
1817         const char *oom = "Out of memory";
1818         char timestr[128];
1819         int len = 0;
1820         char *str;
1821
1822         if (weston_log_scope_is_enabled(log_scope)) {
1823                 int len_va;
1824                 char *xlog_timestamp = log_timestamp(timestr, sizeof(timestr));
1825                 len_va = vasprintf(&str, fmt, ap);
1826                 if (len_va >= 0) {
1827                         len = weston_log_scope_printf(log_scope, "%s %s",
1828                                         xlog_timestamp, str);
1829                         free(str);
1830                 } else {
1831                         len = weston_log_scope_printf(log_scope, "%s %s",
1832                                         xlog_timestamp, oom);
1833                 }
1834         }
1835
1836         return len;
1837 }
1838
1839
1840 static int
1841 vlog_continue(const char *fmt, va_list ap)
1842 {
1843         return weston_log_scope_vprintf(log_scope, fmt, ap);
1844 }
1845
1846 static int
1847 on_term_signal(int signo, void *data)
1848 {
1849         struct wl_display *display = data;
1850
1851         weston_log("caught signal %d\n", signo);
1852         wl_display_terminate(display);
1853
1854         return 1;
1855 }
1856
1857 static void
1858 handle_exit(struct weston_compositor *compositor)
1859 {
1860         wl_display_terminate(compositor->wl_display);
1861 }
1862
1863 static void
1864 usage(int error_code)
1865 {
1866         FILE *out = error_code == EXIT_SUCCESS ? stdout : stderr;
1867         fprintf(out,
1868                 "Usage: agl-compositor [OPTIONS]\n"
1869                 "\n"
1870                 "This is " PACKAGE_STRING ", the reference compositor for\n"
1871                 "Automotive Grade Linux. " PACKAGE_STRING " supports multiple "
1872                 "backends,\nand depending on which backend is in use different "
1873                 "options will be accepted.\n"
1874                 "\n"
1875                 "Core options:\n"
1876                 "\n"
1877                 "  --version\t\tPrint agl-compositor version\n"
1878                 "  -B, --backend=MODULE\tBackend module, one of\n"
1879                         "\t\t\t\tdrm-backend.so\n"
1880                         "\t\t\t\twayland-backend.so\n"
1881                         "\t\t\t\tx11-backend.so\n"
1882                         "\t\t\t\theadless-backend.so\n"
1883                 "  -r, --renderer=NAME\tName of renderer to use: auto, gl, noop, pixman\n"
1884                 "  -S, --socket=NAME\tName of socket to listen on\n"
1885                 "  --log=FILE\t\tLog to the given file\n"
1886                 "  -c, --config=FILE\tConfig file to load, defaults to agl-compositor.ini\n"
1887                 "  --no-config\t\tDo not read agl-compositor.ini\n"
1888                 "  --debug\t\tEnable debug extension(s)\n"
1889                 "  -h, --help\t\tThis help message\n"
1890                 "\n");
1891         exit(error_code);
1892 }
1893
1894 static char *
1895 copy_command_line(int argc, char * const argv[])
1896 {
1897         FILE *fp;
1898         char *str = NULL;
1899         size_t size = 0;
1900         int i;
1901
1902         fp = open_memstream(&str, &size);
1903         if (!fp)
1904                 return NULL;
1905
1906         fprintf(fp, "%s", argv[0]);
1907         for (i = 1; i < argc; i++)
1908                 fprintf(fp, " %s", argv[i]);
1909         fclose(fp);
1910
1911         return str;
1912 }
1913
1914 #if !defined(BUILD_XWAYLAND)
1915 void *
1916 wet_load_xwayland(struct weston_compositor *comp)
1917 {
1918         weston_log("Attempted to load xwayland library but compositor "
1919                    "was *not* built with xwayland support!\n");
1920         return NULL;
1921 }
1922 #endif
1923
1924 static void
1925 weston_log_setup_scopes(struct weston_log_context *log_ctx,
1926                         struct weston_log_subscriber *subscriber,
1927                         const char *names)
1928 {
1929         assert(log_ctx);
1930         assert(subscriber);
1931
1932         char *tokenize = strdup(names);
1933         char *token = strtok(tokenize, ",");
1934         while (token) {
1935                 weston_log_subscribe(log_ctx, subscriber, token);
1936                 token = strtok(NULL, ",");
1937         }
1938         free(tokenize);
1939 }
1940
1941 static void
1942 weston_log_subscribe_to_scopes(struct weston_log_context *log_ctx,
1943                                struct weston_log_subscriber *logger,
1944                                const char *debug_scopes)
1945 {
1946         if (logger && debug_scopes)
1947                 weston_log_setup_scopes(log_ctx, logger, debug_scopes);
1948         else
1949                 weston_log_subscribe(log_ctx, logger, "log");
1950 }
1951
1952 WL_EXPORT
1953 int wet_main(int argc, char *argv[], const struct weston_testsuite_data *test_data)
1954 {
1955         struct ivi_compositor ivi = { 0 };
1956         char *cmdline;
1957         struct wl_display *display = NULL;
1958         struct wl_event_loop *loop;
1959         struct wl_event_source *signals[3] = { 0 };
1960         struct weston_config_section *section;
1961         /* Command line options */
1962         char *backend = NULL;
1963         char *socket_name = NULL;
1964         char *log = NULL;
1965         char *modules = NULL;
1966         char *option_modules = NULL;
1967         char *debug_scopes = NULL;
1968         int help = 0;
1969         int version = 0;
1970         int no_config = 0;
1971         int debug = 0;
1972         bool list_debug_scopes = false;
1973         char *config_file = NULL;
1974         struct weston_log_context *log_ctx = NULL;
1975         struct weston_log_subscriber *logger;
1976         int ret = EXIT_FAILURE;
1977         bool xwayland = false;
1978         struct sigaction action;
1979         char *renderer = NULL;
1980
1981         const struct weston_option core_options[] = {
1982                 { WESTON_OPTION_STRING, "renderer", 'r', &renderer },
1983                 { WESTON_OPTION_STRING, "backend", 'B', &backend },
1984                 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
1985                 { WESTON_OPTION_STRING, "log", 0, &log },
1986                 { WESTON_OPTION_BOOLEAN, "help", 'h', &help },
1987                 { WESTON_OPTION_BOOLEAN, "version", 0, &version },
1988                 { WESTON_OPTION_BOOLEAN, "no-config", 0, &no_config },
1989                 { WESTON_OPTION_BOOLEAN, "debug", 0, &debug },
1990                 { WESTON_OPTION_STRING, "config", 'c', &config_file },
1991                 { WESTON_OPTION_STRING, "modules", 0, &option_modules },
1992                 { WESTON_OPTION_STRING, "debug-scopes", 'l', &debug_scopes },
1993                 { WESTON_OPTION_STRING, "list-debug-scopes", 'L', &list_debug_scopes },
1994         };
1995
1996         wl_list_init(&ivi.outputs);
1997         wl_list_init(&ivi.saved_outputs);
1998         wl_list_init(&ivi.surfaces);
1999         wl_list_init(&ivi.pending_surfaces);
2000         wl_list_init(&ivi.popup_pending_apps);
2001         wl_list_init(&ivi.fullscreen_pending_apps);
2002         wl_list_init(&ivi.split_pending_apps);
2003         wl_list_init(&ivi.remote_pending_apps);
2004         wl_list_init(&ivi.desktop_clients);
2005         wl_list_init(&ivi.child_process_list);
2006         wl_list_init(&ivi.pending_apps);
2007
2008         /* Prevent any clients we spawn getting our stdin */
2009         os_fd_set_cloexec(STDIN_FILENO);
2010
2011         cmdline = copy_command_line(argc, argv);
2012         parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv);
2013
2014         if (help)
2015                 usage(EXIT_SUCCESS);
2016
2017         if (version) {
2018                 printf(PACKAGE_STRING "\n");
2019                 ret = EXIT_SUCCESS;
2020                 goto exit_signals;
2021         }
2022
2023         log_ctx = weston_log_ctx_create();
2024         if (!log_ctx) {
2025                 fprintf(stderr, "Failed to initialize weston debug framework.\n");
2026                 goto exit_signals;
2027         }
2028
2029         log_scope = weston_log_ctx_add_log_scope(log_ctx, "log",
2030                                                  "agl-compositor log\n",
2031                                                  NULL, NULL, NULL);
2032
2033         log_file_open(log);
2034         weston_log_set_handler(vlog, vlog_continue);
2035
2036         logger = weston_log_subscriber_create_log(logfile);
2037         weston_log_subscribe_to_scopes(log_ctx, logger, debug_scopes);
2038
2039         weston_log("Command line: %s\n", cmdline);
2040         free(cmdline);
2041
2042         if (load_config(&ivi.config, no_config, config_file) < 0)
2043                 goto error_signals;
2044         section = weston_config_get_section(ivi.config, "core", NULL, NULL);
2045         if (!backend) {
2046                 weston_config_section_get_string(section, "backend", &backend,
2047                                                  NULL);
2048                 if (!backend)
2049                         backend = choose_default_backend();
2050         }
2051
2052         display = wl_display_create();
2053         loop = wl_display_get_event_loop(display);
2054
2055         wl_display_set_global_filter(display,
2056                                      global_filter, &ivi);
2057
2058         /* Register signal handlers so we shut down cleanly */
2059
2060         signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
2061                                               display);
2062         signals[1] = wl_event_loop_add_signal(loop, SIGUSR2, on_term_signal,
2063                                               display);
2064         signals[2] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
2065                                               display);
2066
2067         /* When debugging the compositor, if use wl_event_loop_add_signal() to
2068          * catch SIGINT, the debugger can't catch it, and attempting to stop
2069          * the compositor from within the debugger results in weston exiting
2070          * cleanly.
2071          *
2072          * Instead, use the sigaction() function, which sets up the signal in a
2073          * way that gdb can successfully catch, but have the handler for SIGINT
2074          * send SIGUSR2 (xwayland uses SIGUSR1), which we catch via
2075          * wl_event_loop_add_signal().
2076          */
2077         action.sa_handler = sigint_helper;
2078         sigemptyset(&action.sa_mask);
2079         action.sa_flags = 0;
2080         sigaction(SIGINT, &action, NULL);
2081
2082         for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
2083                 if (!signals[i])
2084                         goto error_signals;
2085
2086         ivi.compositor = weston_compositor_create(display, log_ctx, &ivi, test_data);
2087         if (!ivi.compositor) {
2088                 weston_log("fatal: failed to create compositor.\n");
2089                 goto error_signals;
2090         }
2091
2092         if (compositor_init_config(&ivi) < 0)
2093                 goto error_compositor;
2094
2095         if (load_backend(&ivi, &argc, argv, backend, renderer) < 0) {
2096                 weston_log("fatal: failed to create compositor backend.\n");
2097                 goto error_compositor;
2098         }
2099
2100         if (weston_compositor_backends_loaded(ivi.compositor) < 0)
2101                 goto error_compositor;
2102
2103         weston_compositor_flush_heads_changed(ivi.compositor);
2104
2105         if (ivi_desktop_init(&ivi) < 0)
2106                 goto error_compositor;
2107
2108         ivi_seat_init(&ivi);
2109
2110         /* load additional modules */
2111         weston_config_section_get_string(section, "modules", &modules, "");
2112         if (load_modules(&ivi, modules, &argc, argv, &xwayland) < 0)
2113                 goto error_compositor;
2114
2115         if (load_modules(&ivi, option_modules, &argc, argv, &xwayland) < 0)
2116                 goto error_compositor;
2117
2118         if (!xwayland) {
2119                 weston_config_section_get_bool(section, "xwayland", &xwayland,
2120                                                false);
2121         }
2122
2123         if (ivi_shell_init(&ivi) < 0)
2124                 goto error_compositor;
2125
2126         if (xwayland) {
2127                 if (!wet_load_xwayland(ivi.compositor))
2128                         goto error_compositor;
2129         }
2130
2131         if (ivi_policy_init(&ivi) < 0)
2132                 goto error_compositor;
2133
2134
2135         if (list_debug_scopes) {
2136                 struct weston_log_scope *nscope = NULL;
2137
2138                 weston_log("Printing available debug scopes:\n");
2139
2140                 while ((nscope = weston_log_scopes_iterate(log_ctx, nscope))) {
2141                         weston_log("\tscope name: %s, desc: %s",
2142                                         weston_log_scope_get_name(nscope),
2143                                         weston_log_scope_get_description(nscope));
2144                 }
2145
2146                 weston_log("\n");
2147
2148                 goto error_compositor;
2149         }
2150
2151         add_bindings(ivi.compositor);
2152
2153         if (ivi.remoting_api)
2154                 ivi_enable_remote_outputs(&ivi);
2155
2156         if (create_listening_socket(display, socket_name) < 0)
2157                 goto error_compositor;
2158
2159         ivi_shell_init_black_fs(&ivi);
2160
2161         ivi.compositor->exit = handle_exit;
2162
2163         weston_compositor_wake(ivi.compositor);
2164
2165         ivi_shell_create_global(&ivi);
2166
2167         ivi_launch_shell_client(&ivi, "shell-client",
2168                                 &ivi.shell_client.client);
2169         ivi_launch_shell_client(&ivi, "shell-client-ext",
2170                                 &ivi.shell_client_ext.client);
2171
2172         if (debug)
2173                 ivi_screenshooter_create(&ivi);
2174         ivi_agl_systemd_notify(&ivi);
2175
2176         wl_display_run(display);
2177
2178         ret = ivi.compositor->exit_code;
2179
2180         wl_display_destroy_clients(display);
2181
2182 error_compositor:
2183         free(backend);
2184         backend = NULL;
2185         free(modules);
2186         modules = NULL;
2187
2188         weston_compositor_destroy(ivi.compositor);
2189
2190         weston_log_scope_destroy(log_scope);
2191         log_scope = NULL;
2192
2193         weston_log_subscriber_destroy(logger);
2194         weston_log_ctx_destroy(log_ctx);
2195
2196         ivi_policy_destroy(ivi.policy);
2197
2198 error_signals:
2199         for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
2200                 if (signals[i])
2201                         wl_event_source_remove(signals[i]);
2202
2203         wl_display_destroy(display);
2204
2205         log_file_close();
2206         if (ivi.config)
2207                 weston_config_destroy(ivi.config);
2208
2209 exit_signals:
2210         free(log);
2211         free(config_file);
2212         free(socket_name);
2213         free(option_modules);
2214         return ret;
2215 }