src/main.c

   1 /*
   2  * Copyright © 2012-2019 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_X11
  43 #include <libweston/backend-x11.h>
  44 #endif
  45 #include <libweston/libweston.h>
  46 #include <libweston/windowed-output-api.h>
  47 #include <libweston/config-parser.h>
  48 #include <libweston/weston-log.h>
  49 #include <weston/weston.h>
  50
  51 #include "shared/os-compatibility.h"
  52 #include "shared/helpers.h"
  53
  54 #include "agl-shell-server-protocol.h"
  55
  56 #ifdef HAVE_REMOTING
  57 #include "remote.h"
  58 #endif
  59
  60 static int cached_tm_mday = -1;
  61 static struct weston_log_scope *log_scope;
  62
  63 struct ivi_compositor *
  64 to_ivi_compositor(struct weston_compositor *ec)
  65 {
  66         return weston_compositor_get_user_data(ec);
  67 }
  68
  69 static void
  70 handle_output_destroy(struct wl_listener *listener, void *data)
  71 {
  72         struct ivi_output *output;
  73
  74         output = wl_container_of(listener, output, output_destroy);
  75         assert(output->output == data);
  76
  77         output->output = NULL;
  78         wl_list_remove(&output->output_destroy.link);
  79 }
  80
  81 struct ivi_output *
  82 to_ivi_output(struct weston_output *o)
  83 {
  84         struct wl_listener *listener;
  85         struct ivi_output *output;
  86
  87         listener = weston_output_get_destroy_listener(o, handle_output_destroy);
  88         output = wl_container_of(listener, output, output_destroy);
  89
  90         return output;
  91 }
  92
  93 static void
  94 ivi_output_configure_app_id(struct ivi_output *ivi_output)
  95 {
  96         if (ivi_output->config) {
  97                 if (ivi_output->app_id != NULL)
  98                         return;
  99
 100                 weston_config_section_get_string(ivi_output->config,
 101                                                  "agl-shell-app-id",
 102                                                  &ivi_output->app_id,
 103                                                  NULL);
 104         }
 105 }
 106
 107 static struct ivi_output *
 108 ivi_ensure_output(struct ivi_compositor *ivi, char *name,
 109                   struct weston_config_section *config)
 110 {
 111         struct ivi_output *output = NULL;
 112         wl_list_for_each(output, &ivi->outputs, link) {
 113                 if (strcmp(output->name, name) == 0) {
 114                         free(name);
 115                         return output;
 116                 }
 117         }
 118
 119         output = zalloc(sizeof *output);
 120         if (!output) {
 121                 free(name);
 122                 return NULL;
 123         }
 124
 125         output->ivi = ivi;
 126         output->name = name;
 127         output->config = config;
 128
 129         output->output = weston_compositor_create_output(ivi->compositor, name);
 130         if (!output->output) {
 131                 free(output->name);
 132                 free(output);
 133                 return NULL;
 134         }
 135
 136         output->output_destroy.notify = handle_output_destroy;
 137         weston_output_add_destroy_listener(output->output,
 138                                            &output->output_destroy);
 139
 140         wl_list_insert(&ivi->outputs, &output->link);
 141         ivi_output_configure_app_id(output);
 142         return output;
 143 }
 144
 145 static int
 146 count_heads(struct weston_output *output)
 147 {
 148         struct weston_head *iter = NULL;
 149         int n = 0;
 150
 151         while ((iter = weston_output_iterate_heads(output, iter)))
 152                 ++n;
 153
 154         return n;
 155 }
 156
 157 static void
 158 handle_head_destroy(struct wl_listener *listener, void *data)
 159 {
 160         struct weston_head *head = data;
 161         struct weston_output *output;
 162
 163         wl_list_remove(&listener->link);
 164         free(listener);
 165
 166         output = weston_head_get_output(head);
 167
 168         /* On shutdown path, the output might be already gone. */
 169         if (!output)
 170                 return;
 171
 172         /* We're the last head */
 173         if (count_heads(output) <= 1)
 174                 weston_output_destroy(output);
 175 }
 176
 177 static void
 178 add_head_destroyed_listener(struct weston_head *head)
 179 {
 180         /* We already have a destroy listener */
 181         if (weston_head_get_destroy_listener(head, handle_head_destroy))
 182                 return;
 183
 184         struct wl_listener *listener = zalloc(sizeof *listener);
 185         if (!listener)
 186                 return;
 187
 188         listener->notify = handle_head_destroy;
 189         weston_head_add_destroy_listener(head, listener);
 190 }
 191
 192 static int
 193 drm_configure_output(struct ivi_output *output)
 194 {
 195         struct ivi_compositor *ivi = output->ivi;
 196         struct weston_config_section *section = output->config;
 197         enum weston_drm_backend_output_mode mode =
 198                 WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
 199         char *modeline = NULL;
 200         char *gbm_format = NULL;
 201         char *seat = NULL;
 202
 203         if (section) {
 204                 char *m;
 205                 weston_config_section_get_string(section, "mode", &m, "preferred");
 206
 207                 /* This should have been handled earlier */
 208                 assert(strcmp(m, "off") != 0);
 209
 210                 if (ivi->cmdline.use_current_mode || strcmp(m, "current") == 0) {
 211                         mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
 212                 } else if (strcmp(m, "preferred") != 0) {
 213                         modeline = m;
 214                         m = NULL;
 215                 }
 216                 free(m);
 217
 218                 weston_config_section_get_string(section, "gbm-format",
 219                                                  &gbm_format, NULL);
 220
 221                 weston_config_section_get_string(section, "seat", &seat, "");
 222         }
 223
 224         if (ivi->drm_api->set_mode(output->output, mode, modeline) < 0) {
 225                 weston_log("Cannot configure output using weston_drm_output_api.\n");
 226                 free(modeline);
 227                 return -1;
 228         }
 229         free(modeline);
 230
 231         ivi->drm_api->set_gbm_format(output->output, gbm_format);
 232         free(gbm_format);
 233
 234         ivi->drm_api->set_seat(output->output, seat);
 235         free(seat);
 236
 237         return 0;
 238 }
 239
 240 #define WINDOWED_DEFAULT_WIDTH 1024
 241 #define WINDOWED_DEFAULT_HEIGHT 768
 242
 243 static int
 244 windowed_configure_output(struct ivi_output *output)
 245 {
 246         struct ivi_compositor *ivi = output->ivi;
 247         struct weston_config_section *section = output->config;
 248         int width = WINDOWED_DEFAULT_WIDTH;
 249         int height = WINDOWED_DEFAULT_HEIGHT;
 250
 251         if (section) {
 252                 char *mode;
 253
 254                 weston_config_section_get_string(section, "mode", &mode, NULL);
 255                 if (!mode || sscanf(mode, "%dx%d", &width, &height) != 2) {
 256                         weston_log("Invalid mode for output %s. Using defaults.\n",
 257                                    output->name);
 258                         width = WINDOWED_DEFAULT_WIDTH;
 259                         height = WINDOWED_DEFAULT_HEIGHT;
 260                 }
 261                 free(mode);
 262         }
 263
 264         if (ivi->cmdline.width)
 265                 width = ivi->cmdline.width;
 266         if (ivi->cmdline.height)
 267                 height = ivi->cmdline.height;
 268         if (ivi->cmdline.scale)
 269                 weston_output_set_scale(output->output, ivi->cmdline.scale);
 270
 271         if (ivi->window_api->output_set_size(output->output, width, height) < 0) {
 272                 weston_log("Cannot configure output '%s' using weston_windowed_output_api.\n",
 273                            output->name);
 274                 return -1;
 275         }
 276
 277         return 0;
 278 }
 279
 280 static int
 281 parse_transform(const char *transform, uint32_t *out)
 282 {
 283         static const struct { const char *name; uint32_t token; } transforms[] = {
 284                 { "normal",     WL_OUTPUT_TRANSFORM_NORMAL },
 285                 { "90",         WL_OUTPUT_TRANSFORM_90 },
 286                 { "180",        WL_OUTPUT_TRANSFORM_180 },
 287                 { "270",        WL_OUTPUT_TRANSFORM_270 },
 288                 { "flipped",    WL_OUTPUT_TRANSFORM_FLIPPED },
 289                 { "flipped-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 },
 290                 { "flipped-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
 291                 { "flipped-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
 292         };
 293
 294         for (size_t i = 0; i < ARRAY_LENGTH(transforms); i++)
 295                 if (strcmp(transforms[i].name, transform) == 0) {
 296                         *out = transforms[i].token;
 297                         return 0;
 298                 }
 299
 300         *out = WL_OUTPUT_TRANSFORM_NORMAL;
 301         return -1;
 302 }
 303
 304 static int
 305 configure_output(struct ivi_output *output)
 306 {
 307         struct ivi_compositor *ivi = output->ivi;
 308         struct weston_config_section *section = output->config;
 309         int32_t scale = 1;
 310         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
 311
 312         /*
 313          * This can happen with the wayland backend with 'sprawl'. The config
 314          * is hard-coded, so we don't need to do anything.
 315          */
 316         if (!ivi->drm_api && !ivi->window_api)
 317                 return 0;
 318
 319         if (section) {
 320                 char *t;
 321
 322                 weston_config_section_get_int(section, "scale", &scale, 1);
 323                 weston_config_section_get_string(section, "transform", &t, "normal");
 324                 if (parse_transform(t, &transform) < 0)
 325                         weston_log("Invalid transform \"%s\" for output %s\n",
 326                                    t, output->name);
 327                 free(t);
 328         }
 329
 330         weston_output_set_scale(output->output, scale);
 331         weston_output_set_transform(output->output, transform);
 332
 333         if (ivi->drm_api)
 334                 return drm_configure_output(output);
 335         else
 336                 return windowed_configure_output(output);
 337 }
 338
 339 /*
 340  * Reorgainizes the output's add array into two sections.
 341  * add[0..ret-1] are the heads that failed to get attached.
 342  * add[ret..add_len] are the heads that were successfully attached.
 343  *
 344  * The order between elements in each section is stable.
 345  */
 346 static size_t
 347 try_attach_heads(struct ivi_output *output)
 348 {
 349         size_t fail_len = 0;
 350
 351         for (size_t i = 0; i < output->add_len; ++i) {
 352                 if (weston_output_attach_head(output->output, output->add[i]) < 0) {
 353                         struct weston_head *tmp = output->add[i];
 354                         memmove(&output->add[fail_len + 1], output->add[fail_len],
 355                                 sizeof output->add[0] * (i - fail_len));
 356                         output->add[fail_len++] = tmp;
 357                 }
 358         }
 359
 360         return fail_len;
 361 }
 362
 363 /*
 364  * Like try_attach_heads, this reorganizes the output's add array into a failed
 365  * and successful section.
 366  * i is the number of heads that already failed the previous step.
 367  */
 368 static size_t
 369 try_enable_output(struct ivi_output *output, size_t i)
 370 {
 371         for (; i < output->add_len; ++i) {
 372                 struct weston_head *head;
 373
 374                 if (weston_output_enable(output->output) == 0)
 375                         break;
 376
 377                 head = output->add[output->add_len - 1];
 378                 memmove(&output->add[i + 1], &output->add[i],
 379                         sizeof output->add[0] * (output->add_len - i));
 380                 output->add[i] = head;
 381
 382                 weston_head_detach(head);
 383         }
 384
 385         return i;
 386 }
 387
 388 static int
 389 try_attach_enable_heads(struct ivi_output *output)
 390 {
 391         size_t fail_len;
 392         assert(!output->output->enabled);
 393
 394         fail_len = try_attach_heads(output);
 395
 396         if (configure_output(output) < 0)
 397                 return -1;
 398
 399         fail_len = try_enable_output(output, fail_len);
 400
 401         /* All heads failed to be attached */
 402         if (fail_len == output->add_len)
 403                 return -1;
 404
 405         /* For each successful head attached */
 406         for (size_t i = fail_len; i < output->add_len; ++i)
 407                 add_head_destroyed_listener(output->add[i]);
 408
 409         output->add_len = fail_len;
 410         return 0;
 411 }
 412
 413 static int
 414 process_output(struct ivi_output *output)
 415 {
 416         if (output->output->enabled) {
 417                 output->add_len = try_attach_heads(output);
 418                 return output->add_len == 0 ? 0 : -1;
 419         }
 420
 421         return try_attach_enable_heads(output);
 422 }
 423
 424 static void
 425 head_disable(struct ivi_compositor *ivi, struct weston_head *head)
 426 {
 427         struct weston_output *output;
 428         struct ivi_output *ivi_output;
 429         struct wl_listener *listener;
 430
 431         output = weston_head_get_output(head);
 432         assert(output);
 433
 434         listener = weston_output_get_destroy_listener(output,
 435                                                       handle_output_destroy);
 436         assert(listener);
 437
 438         ivi_output = wl_container_of(listener, ivi_output, output_destroy);
 439         assert(ivi_output->output == output);
 440
 441         weston_head_detach(head);
 442         if (count_heads(ivi_output->output) == 0) {
 443                 weston_output_disable(ivi_output->output);
 444         }
 445 }
 446
 447 static struct weston_config_section *
 448 find_controlling_output_config(struct weston_config *config,
 449                                const char *name)
 450 {
 451         struct weston_config_section *section;
 452         char *same_as;
 453         int depth = 0;
 454
 455         same_as = strdup(name);
 456         do {
 457                 section = weston_config_get_section(config, "output",
 458                                                     "name", same_as);
 459                 if (!section && depth > 0)
 460                         weston_log("Configuration error: output section reffered"
 461                                    "to by same-as=%s not found.\n", same_as);
 462                 free(same_as);
 463
 464                 if (!section)
 465                         return NULL;
 466
 467                 if (depth++ > 8) {
 468                         weston_log("Configuration error: same-as nested too "
 469                                    "deep for output '%s'.\n", name);
 470                         return NULL;
 471                 }
 472
 473                 weston_config_section_get_string(section, "same-as",
 474                                                  &same_as, NULL);
 475         } while (same_as);
 476
 477         return section;
 478 }
 479
 480 static void
 481 head_prepare_enable(struct ivi_compositor *ivi, struct weston_head *head)
 482 {
 483         const char *name = weston_head_get_name(head);
 484         struct weston_config_section *section;
 485         struct ivi_output *output;
 486         char *output_name = NULL;
 487
 488         section = find_controlling_output_config(ivi->config, name);
 489         if (section) {
 490                 char *mode;
 491
 492                 weston_config_section_get_string(section, "mode", &mode, NULL);
 493                 if (mode && strcmp(mode, "off") == 0) {
 494                         free(mode);
 495                         return;
 496                 }
 497                 free(mode);
 498
 499                 weston_config_section_get_string(section, "name",
 500                                                  &output_name, NULL);
 501         } else {
 502                 output_name = strdup(name);
 503         }
 504
 505         if (!output_name)
 506                 return;
 507
 508         output = ivi_ensure_output(ivi, output_name, section);
 509         if (!output)
 510                 return;
 511
 512         if (output->add_len >= ARRAY_LENGTH(output->add))
 513                 return;
 514
 515         output->add[output->add_len++] = head;
 516 }
 517
 518 static void
 519 heads_changed(struct wl_listener *listener, void *arg)
 520 {
 521         struct weston_compositor *compositor = arg;
 522         struct weston_head *head = NULL;
 523         struct ivi_compositor *ivi = to_ivi_compositor(compositor);
 524         struct ivi_output *output;
 525
 526         while ((head = weston_compositor_iterate_heads(ivi->compositor, head))) {
 527                 bool connected = weston_head_is_connected(head);
 528                 bool enabled = weston_head_is_enabled(head);
 529                 bool changed = weston_head_is_device_changed(head);
 530                 bool non_desktop = weston_head_is_non_desktop(head);
 531
 532                 if (connected && !enabled && !non_desktop)
 533                         head_prepare_enable(ivi, head);
 534                 else if (!connected && enabled)
 535                         head_disable(ivi, head);
 536                 else if (enabled && changed)
 537                         weston_log("Detected a monitor change on head '%s', "
 538                                    "not bothering to do anything about it.\n",
 539                                    weston_head_get_name(head));
 540
 541                 weston_head_reset_device_changed(head);
 542         }
 543
 544         wl_list_for_each(output, &ivi->outputs, link) {
 545                 if (output->add_len == 0)
 546                         continue;
 547
 548                 if (process_output(output) < 0) {
 549                         output->add_len = 0;
 550                         ivi->init_failed = true;
 551                 }
 552         }
 553 }
 554
 555 #ifdef HAVE_REMOTING
 556 static int
 557 drm_backend_remoted_output_configure(struct weston_output *output,
 558                                      struct weston_config_section *section,
 559                                      char *modeline,
 560                                      const struct weston_remoting_api *api)
 561 {
 562         char *gbm_format = NULL;
 563         char *seat = NULL;
 564         char *host = NULL;
 565         char *pipeline = NULL;
 566         int port, ret;
 567         int32_t scale = 1;
 568         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
 569         char *trans;
 570
 571         ret = api->set_mode(output, modeline);
 572         if (ret < 0) {
 573                 weston_log("Cannot configure an output \"%s\" using "
 574                                 "weston_remoting_api. Invalid mode\n",
 575                                 output->name);
 576                 return -1;
 577         }
 578
 579         weston_config_section_get_int(section, "scale", &scale, 1);
 580         weston_output_set_scale(output, scale);
 581
 582         weston_config_section_get_string(section, "transform", &trans, "normal");
 583         if (parse_transform(trans, &transform) < 0) {
 584                 weston_log("Invalid transform \"%s\" for output %s\n",
 585                            trans, output->name);
 586         }
 587         weston_output_set_transform(output, transform);
 588
 589         weston_config_section_get_string(section, "gbm-format",
 590                                          &gbm_format, NULL);
 591         api->set_gbm_format(output, gbm_format);
 592         free(gbm_format);
 593
 594         weston_config_section_get_string(section, "seat", &seat, "");
 595
 596         api->set_seat(output, seat);
 597         free(seat);
 598
 599         weston_config_section_get_string(section, "gst-pipeline", &pipeline,
 600                         NULL);
 601         if (pipeline) {
 602                 api->set_gst_pipeline(output, pipeline);
 603                 free(pipeline);
 604                 return 0;
 605         }
 606
 607         weston_config_section_get_string(section, "host", &host, NULL);
 608         weston_config_section_get_int(section, "port", &port, 0);
 609         if (!host || port <= 0 || 65533 < port) {
 610                 weston_log("Cannot configure an output \"%s\". "
 611                                 "Need to specify gst-pipeline or "
 612                                 "host and port (1-65533).\n", output->name);
 613         }
 614         api->set_host(output, host);
 615         free(host);
 616         api->set_port(output, port);
 617
 618         return 0;
 619 }
 620
 621
 622 static int
 623 remote_output_init(struct ivi_output *ivi_output,
 624                    struct weston_compositor *compositor,
 625                    struct weston_config_section *section,
 626                    const struct weston_remoting_api *api)
 627 {
 628         char *output_name, *modeline = NULL;
 629         int ret = -1;
 630
 631         weston_config_section_get_string(section, "name", &output_name, NULL);
 632         if (!output_name)
 633                 return ret;
 634
 635         weston_config_section_get_string(section, "mode", &modeline, "off");
 636         if (strcmp(modeline, "off") == 0)
 637                 goto err;
 638
 639         ivi_output->output = api->create_output(compositor, output_name);
 640         if (!ivi_output->output) {
 641                 weston_log("Cannot create remoted output \"%s\".\n",
 642                                 output_name);
 643                 goto err;
 644         }
 645
 646         ret = drm_backend_remoted_output_configure(ivi_output->output, section,
 647                                                    modeline, api);
 648         if (ret < 0) {
 649                 weston_log("Cannot configure remoted output \"%s\".\n",
 650                                 output_name);
 651                 goto err;
 652         }
 653
 654         if (weston_output_enable(ivi_output->output) < 0) {
 655                 weston_log("Enabling remoted output \"%s\" failed.\n",
 656                                 output_name);
 657                 goto err;
 658         }
 659
 660         free(modeline);
 661         free(output_name);
 662         weston_log("remoted output '%s' enabled\n", ivi_output->output->name);
 663
 664         return 0;
 665
 666 err:
 667         free(modeline);
 668         free(output_name);
 669         if (ivi_output->output)
 670                 weston_output_destroy(ivi_output->output);
 671
 672         return ret;
 673 }
 674
 675 static int
 676 load_remoting(struct ivi_compositor *ivi, struct weston_config *config)
 677 {
 678         struct weston_compositor *compositor = ivi->compositor;
 679         int (*module_init)(struct weston_compositor *wc);
 680         struct weston_config_section *remote_section = NULL;
 681         const char *section_name;
 682
 683         module_init = weston_load_module("remoting-plugin.so",
 684                                          "weston_module_init");
 685         if (!module_init)
 686                 return -1;
 687
 688         if (module_init(compositor) < 0)
 689                 return -1;
 690
 691         ivi->remoting_api = weston_remoting_get_api(compositor);
 692         if (!ivi->remoting_api)
 693                 return -1;
 694
 695         while (weston_config_next_section(config, &remote_section, &section_name)) {
 696                 if (strcmp(section_name, "remote-output"))
 697                         continue;
 698
 699                 struct ivi_output *ivi_output = NULL;
 700                 bool output_found = false;
 701                 char *_name = NULL;
 702
 703                 weston_config_section_get_string(remote_section, "name", &_name, NULL);
 704                 wl_list_for_each(ivi_output, &ivi->outputs, link) {
 705                         if (!strcmp(ivi_output->name, _name)) {
 706                                 output_found = true;
 707                                 break;
 708                         }
 709                 }
 710
 711                 if (output_found) {
 712                         free(_name);
 713                         continue;
 714                 }
 715
 716                 ivi_output = zalloc(sizeof(*ivi_output));
 717
 718                 ivi_output->ivi = ivi;
 719                 ivi_output->name = _name;
 720                 ivi_output->config = remote_section;
 721
 722                 if (remote_output_init(ivi_output, compositor,
 723                                        remote_section, ivi->remoting_api)) {
 724                         free(ivi_output->name);
 725                         free(ivi_output);
 726                         continue;
 727                 }
 728
 729                 ivi_output->output_destroy.notify = handle_output_destroy;
 730                 weston_output_add_destroy_listener(ivi_output->output,
 731                                                    &ivi_output->output_destroy);
 732
 733                 wl_list_insert(&ivi->outputs, &ivi_output->link);
 734         }
 735
 736         return 0;
 737 }
 738 #else
 739 static int
 740 load_remoting(struct weston_compositor *compositor, struct weston_config *config)
 741 {
 742         return -1;
 743 }
 744 #endif
 745
 746 static int
 747 load_drm_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
 748 {
 749         struct weston_drm_backend_config config = {
 750                 .base = {
 751                         .struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION,
 752                         .struct_size = sizeof config,
 753                 },
 754         };
 755         struct weston_config_section *section;
 756         int use_current_mode = 0;
 757         int use_pixman = 0;
 758         bool use_shadow;
 759         int ret;
 760
 761         const struct weston_option options[] = {
 762                 { WESTON_OPTION_STRING, "seat", 0, &config.seat_id },
 763                 { WESTON_OPTION_INTEGER, "tty", 0, &config.tty },
 764                 { WESTON_OPTION_STRING, "drm-device", 0, &config.specific_device },
 765                 { WESTON_OPTION_BOOLEAN, "current-mode", 0, &use_current_mode },
 766                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
 767         };
 768
 769         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 770         config.use_pixman = use_pixman;
 771         ivi->cmdline.use_current_mode = use_current_mode;
 772
 773         section = weston_config_get_section(ivi->config, "core", NULL, NULL);
 774         weston_config_section_get_string(section, "gbm-format",
 775                                          &config.gbm_format, NULL);
 776         weston_config_section_get_uint(section, "pageflip-timeout",
 777                                        &config.pageflip_timeout, 0);
 778         weston_config_section_get_bool(section, "pixman-shadow", &use_shadow, 1);
 779         config.use_pixman_shadow = use_shadow;
 780
 781         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_DRM,
 782                                              &config.base);
 783         if (ret < 0)
 784                 return ret;
 785
 786         ivi->drm_api = weston_drm_output_get_api(ivi->compositor);
 787         if (!ivi->drm_api) {
 788                 weston_log("Cannot use drm output api.\n");
 789                 ret = -1;
 790                 goto error;
 791         }
 792
 793         load_remoting(ivi, ivi->config);
 794
 795 error:
 796         free(config.gbm_format);
 797         free(config.seat_id);
 798         return ret;
 799 }
 800
 801 static void
 802 windowed_parse_common_options(struct ivi_compositor *ivi, int *argc, char *argv[],
 803                               bool *use_pixman, bool *fullscreen, int *output_count)
 804 {
 805         struct weston_config_section *section;
 806         bool pixman;
 807         int fs = 0;
 808
 809         const struct weston_option options[] = {
 810                 { WESTON_OPTION_INTEGER, "width", 0, &ivi->cmdline.width },
 811                 { WESTON_OPTION_INTEGER, "height", 0, &ivi->cmdline.height },
 812                 { WESTON_OPTION_INTEGER, "scale", 0, &ivi->cmdline.scale },
 813                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &pixman },
 814                 { WESTON_OPTION_BOOLEAN, "fullscreen", 0, &fs },
 815                 { WESTON_OPTION_INTEGER, "output-count", 0, output_count },
 816         };
 817
 818         section = weston_config_get_section(ivi->config, "core", NULL, NULL);
 819         weston_config_section_get_bool(section, "use-pixman", &pixman, 0);
 820
 821         *output_count = 1;
 822         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 823         *use_pixman = pixman;
 824         *fullscreen = fs;
 825 }
 826
 827 static int
 828 windowed_create_outputs(struct ivi_compositor *ivi, int output_count,
 829                         const char *match_prefix, const char *name_prefix)
 830 {
 831         struct weston_config_section *section = NULL;
 832         const char *section_name;
 833         char *default_output = NULL;
 834         int i = 0;
 835         size_t match_len = strlen(match_prefix);
 836
 837         while (weston_config_next_section(ivi->config, &section, &section_name)) {
 838                 char *output_name;
 839
 840                 if (i >= output_count)
 841                         break;
 842
 843                 if (strcmp(section_name, "output") != 0)
 844                         continue;
 845
 846                 weston_config_section_get_string(section, "name", &output_name, NULL);
 847                 if (output_name == NULL)
 848                         continue;
 849                 if (strncmp(output_name, match_prefix, match_len) != 0) {
 850                         free(output_name);
 851                         continue;
 852                 }
 853
 854                 if (ivi->window_api->create_head(ivi->compositor, output_name) < 0) {
 855                         free(output_name);
 856                         return -1;
 857                 }
 858
 859                 free(output_name);
 860                 ++i;
 861         }
 862
 863         for (; i < output_count; ++i) {
 864                 if (asprintf(&default_output, "%s%d", name_prefix, i) < 0)
 865                         return -1;
 866
 867                 if (ivi->window_api->create_head(ivi->compositor, default_output) < 0) {
 868                         free(default_output);
 869                         return -1;
 870                 }
 871
 872                 free(default_output);
 873         }
 874
 875         return 0;
 876 }
 877
 878 static int
 879 load_wayland_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
 880 {
 881         struct weston_wayland_backend_config config = {
 882                 .base = {
 883                         .struct_version = WESTON_WAYLAND_BACKEND_CONFIG_VERSION,
 884                         .struct_size = sizeof config,
 885                 },
 886         };
 887         struct weston_config_section *section;
 888         int sprawl = 0;
 889         int output_count;
 890         int ret;
 891
 892         const struct weston_option options[] = {
 893                 { WESTON_OPTION_STRING, "display", 0, &config.display_name },
 894                 { WESTON_OPTION_STRING, "sprawl", 0, &sprawl },
 895         };
 896
 897         windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
 898                                       &config.fullscreen, &output_count);
 899
 900         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 901         config.sprawl = sprawl;
 902
 903         section = weston_config_get_section(ivi->config, "shell", NULL, NULL);
 904         weston_config_section_get_string(section, "cursor-theme",
 905                                          &config.cursor_theme, NULL);
 906         weston_config_section_get_int(section, "cursor-size",
 907                                       &config.cursor_size, 32);
 908
 909         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_WAYLAND,
 910                                              &config.base);
 911
 912         free(config.cursor_theme);
 913         free(config.display_name);
 914
 915         if (ret < 0)
 916                 return ret;
 917
 918         ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
 919
 920         /*
 921          * We will just assume if load_backend() finished cleanly and
 922          * windowed_output_api is not present that wayland backend is started
 923          * with --sprawl or runs on fullscreen-shell. In this case, all values
 924          * are hardcoded, so nothing can be configured; simply create and
 925          * enable an output.
 926          */
 927         if (ivi->window_api == NULL)
 928                 return 0;
 929
 930         return windowed_create_outputs(ivi, output_count, "WL", "wayland");
 931 }
 932
 933 #ifdef HAVE_BACKEND_X11
 934 static int
 935 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
 936 {
 937         struct weston_x11_backend_config config = {
 938                 .base = {
 939                         .struct_version = WESTON_X11_BACKEND_CONFIG_VERSION,
 940                         .struct_size = sizeof config,
 941                 },
 942         };
 943         int no_input = 0;
 944         int output_count;
 945         int ret;
 946
 947         const struct weston_option options[] = {
 948                { WESTON_OPTION_BOOLEAN, "no-input", 0, &no_input },
 949         };
 950
 951         windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
 952                                       &config.fullscreen, &output_count);
 953
 954         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 955         config.no_input = no_input;
 956
 957         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_X11,
 958                                              &config.base);
 959
 960         if (ret < 0)
 961                 return ret;
 962
 963         ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
 964         if (!ivi->window_api) {
 965                 weston_log("Cannot use weston_windowed_output_api.\n");
 966                 return -1;
 967         }
 968
 969         return windowed_create_outputs(ivi, output_count, "X", "screen");
 970 }
 971 #else
 972 static int
 973 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
 974 {
 975         return -1;
 976 }
 977 #endif
 978
 979 static int
 980 load_backend(struct ivi_compositor *ivi, const char *backend,
 981              int *argc, char *argv[])
 982 {
 983         if (strcmp(backend, "drm-backend.so") == 0) {
 984                 return load_drm_backend(ivi, argc, argv);
 985         } else if (strcmp(backend, "wayland-backend.so") == 0) {
 986                 return load_wayland_backend(ivi, argc, argv);
 987         } else if (strcmp(backend, "x11-backend.so") == 0) {
 988                 return load_x11_backend(ivi, argc, argv);
 989         }
 990
 991         weston_log("fatal: unknown backend '%s'.\n", backend);
 992         return -1;
 993 }
 994
 995 static char *
 996 choose_default_backend(void)
 997 {
 998         char *backend = NULL;
 999
1000         if (getenv("WAYLAND_DISPLAY") || getenv("WAYLAND_SOCKET"))
1001                 backend = strdup("wayland-backend.so");
1002         else if (getenv("DISPLAY"))
1003                 backend = strdup("x11-backend.so");
1004         else
1005                 backend = strdup("drm-backend.so");
1006
1007         return backend;
1008 }
1009
1010 static int
1011 compositor_init_config(struct weston_compositor *compositor,
1012                        struct weston_config *config)
1013 {
1014         struct xkb_rule_names xkb_names;
1015         struct weston_config_section *section;
1016         int repaint_msec;
1017         bool vt_switching;
1018         bool require_input;
1019
1020         /* agl-compositor.ini [keyboard] */
1021         section = weston_config_get_section(config, "keyboard", NULL, NULL);
1022         weston_config_section_get_string(section, "keymap_rules",
1023                                          (char **) &xkb_names.rules, NULL);
1024         weston_config_section_get_string(section, "keymap_model",
1025                                          (char **) &xkb_names.model, NULL);
1026         weston_config_section_get_string(section, "keymap_layout",
1027                                          (char **) &xkb_names.layout, NULL);
1028         weston_config_section_get_string(section, "keymap_variant",
1029                                          (char **) &xkb_names.variant, NULL);
1030         weston_config_section_get_string(section, "keymap_options",
1031                                          (char **) &xkb_names.options, NULL);
1032
1033         if (weston_compositor_set_xkb_rule_names(compositor, &xkb_names) < 0)
1034                 return -1;
1035
1036         weston_config_section_get_int(section, "repeat-rate",
1037                                       &compositor->kb_repeat_rate, 40);
1038         weston_config_section_get_int(section, "repeat-delay",
1039                                       &compositor->kb_repeat_delay, 400);
1040
1041         weston_config_section_get_bool(section, "vt-switching",
1042                                        &vt_switching, true);
1043         compositor->vt_switching = vt_switching;
1044
1045         /* agl-compositor.ini [core] */
1046         section = weston_config_get_section(config, "core", NULL, NULL);
1047
1048         weston_config_section_get_bool(section, "require-input", &require_input, true);
1049         compositor->require_input = require_input;
1050
1051         weston_config_section_get_int(section, "repaint-window", &repaint_msec,
1052                                       compositor->repaint_msec);
1053         if (repaint_msec < -10 || repaint_msec > 1000) {
1054                 weston_log("Invalid repaint_window value in config: %d\n",
1055                            repaint_msec);
1056         } else {
1057                 compositor->repaint_msec = repaint_msec;
1058         }
1059         weston_log("Output repaint window is %d ms maximum.\n",
1060                    compositor->repaint_msec);
1061
1062         return 0;
1063 }
1064
1065 struct ivi_surface *
1066 to_ivi_surface(struct weston_surface *surface)
1067 {
1068         struct weston_desktop_surface *dsurface;
1069
1070         dsurface = weston_surface_get_desktop_surface(surface);
1071         if (!dsurface)
1072                 return NULL;
1073
1074         return weston_desktop_surface_get_user_data(dsurface);
1075 }
1076
1077 static void
1078 activate_binding(struct weston_seat *seat,
1079                  struct weston_view *focus_view)
1080 {
1081         struct weston_surface *focus = focus_view->surface;
1082         struct weston_surface *main_surface =
1083                 weston_surface_get_main_surface(focus);
1084         struct ivi_surface *surface;
1085
1086         surface = to_ivi_surface(main_surface);
1087         if (!surface)
1088                 return;
1089
1090         weston_seat_set_keyboard_focus(seat, focus);
1091 }
1092
1093 static void
1094 click_to_activate_binding(struct weston_pointer *pointer,
1095                           const struct timespec *time,
1096                           uint32_t button, void *data)
1097 {
1098         if (pointer->grab != &pointer->default_grab)
1099                 return;
1100         if (pointer->focus == NULL)
1101                 return;
1102
1103         activate_binding(pointer->seat, pointer->focus);
1104 }
1105
1106 static void
1107 touch_to_activate_binding(struct weston_touch *touch,
1108                           const struct timespec *time,
1109                           void *data)
1110 {
1111         if (touch->grab != &touch->default_grab)
1112                 return;
1113         if (touch->focus == NULL)
1114                 return;
1115
1116         activate_binding(touch->seat, touch->focus);
1117 }
1118
1119 static void
1120 add_bindings(struct weston_compositor *compositor)
1121 {
1122         weston_compositor_add_button_binding(compositor, BTN_LEFT, 0,
1123                                              click_to_activate_binding,
1124                                              NULL);
1125         weston_compositor_add_button_binding(compositor, BTN_RIGHT, 0,
1126                                              click_to_activate_binding,
1127                                              NULL);
1128         weston_compositor_add_touch_binding(compositor, 0,
1129                                             touch_to_activate_binding,
1130                                             NULL);
1131 }
1132
1133 static int
1134 create_listening_socket(struct wl_display *display, const char *socket_name)
1135 {
1136         if (socket_name) {
1137                 if (wl_display_add_socket(display, socket_name)) {
1138                         weston_log("fatal: failed to add socket: %s\n",
1139                                    strerror(errno));
1140                         return -1;
1141                 }
1142         } else {
1143                 socket_name = wl_display_add_socket_auto(display);
1144                 if (!socket_name) {
1145                         weston_log("fatal: failed to add socket: %s\n",
1146                                    strerror(errno));
1147                         return -1;
1148                 }
1149         }
1150
1151         setenv("WAYLAND_DISPLAY", socket_name, 1);
1152
1153         return 0;
1154 }
1155
1156 static bool
1157 global_filter(const struct wl_client *client, const struct wl_global *global,
1158               void *data)
1159 {
1160         return true;
1161 }
1162
1163 static int
1164 load_config(struct weston_config **config, bool no_config,
1165             const char *config_file)
1166 {
1167         const char *file = "agl-compositor.ini";
1168         const char *full_path;
1169
1170         if (config_file)
1171                 file = config_file;
1172
1173         if (!no_config)
1174                 *config = weston_config_parse(file);
1175
1176         if (*config) {
1177                 full_path = weston_config_get_full_path(*config);
1178
1179                 weston_log("Using config file '%s'.\n", full_path);
1180                 setenv(WESTON_CONFIG_FILE_ENV_VAR, full_path, 1);
1181
1182                 return 0;
1183         }
1184
1185         if (config_file && !no_config) {
1186                 weston_log("fatal: error opening or reading config file '%s'.\n",
1187                         config_file);
1188
1189                 return -1;
1190         }
1191
1192         weston_log("Starting with no config file.\n");
1193         setenv(WESTON_CONFIG_FILE_ENV_VAR, "", 1);
1194
1195         return 0;
1196 }
1197
1198 static FILE *logfile;
1199
1200 static char *
1201 log_timestamp(char *buf, size_t len)
1202 {
1203         struct timeval tv;
1204         struct tm *brokendown_time;
1205         char datestr[128];
1206         char timestr[128];
1207
1208         gettimeofday(&tv, NULL);
1209
1210         brokendown_time = localtime(&tv.tv_sec);
1211         if (brokendown_time == NULL) {
1212                 snprintf(buf, len, "%s", "[(NULL)localtime] ");
1213                 return buf;
1214         }
1215
1216         memset(datestr, 0, sizeof(datestr));
1217         if (brokendown_time->tm_mday != cached_tm_mday) {
1218                 strftime(datestr, sizeof(datestr), "Date: %Y-%m-%d %Z\n",
1219                                 brokendown_time);
1220                 cached_tm_mday = brokendown_time->tm_mday;
1221         }
1222
1223         strftime(timestr, sizeof(timestr), "%H:%M:%S", brokendown_time);
1224         /* if datestr is empty it prints only timestr*/
1225         snprintf(buf, len, "%s[%s.%03li]", datestr,
1226                         timestr, (tv.tv_usec / 1000));
1227
1228         return buf;
1229 }
1230
1231 static void
1232 custom_handler(const char *fmt, va_list arg)
1233 {
1234         char timestr[512];
1235
1236         weston_log_scope_printf(log_scope, "%s libwayland: ",
1237                         log_timestamp(timestr, sizeof(timestr)));
1238         weston_log_scope_vprintf(log_scope, fmt, arg);
1239 }
1240
1241 static void
1242 log_file_open(const char *filename)
1243 {
1244         wl_log_set_handler_server(custom_handler);
1245
1246         if (filename)
1247                 logfile = fopen(filename, "a");
1248
1249         if (!logfile) {
1250                 logfile = stderr;
1251         } else {
1252                 os_fd_set_cloexec(fileno(logfile));
1253                 setvbuf(logfile, NULL, _IOLBF, 256);
1254         }
1255 }
1256
1257 static void
1258 log_file_close(void)
1259 {
1260         if (logfile && logfile != stderr)
1261                 fclose(logfile);
1262         logfile = stderr;
1263 }
1264
1265 static int
1266 vlog(const char *fmt, va_list ap)
1267 {
1268         const char *oom = "Out of memory";
1269         char timestr[128];
1270         int len = 0;
1271         char *str;
1272
1273         if (weston_log_scope_is_enabled(log_scope)) {
1274                 int len_va;
1275                 char *xlog_timestamp = log_timestamp(timestr, sizeof(timestr));
1276                 len_va = vasprintf(&str, fmt, ap);
1277                 if (len_va >= 0) {
1278                         len = weston_log_scope_printf(log_scope, "%s %s",
1279                                         xlog_timestamp, str);
1280                         free(str);
1281                 } else {
1282                         len = weston_log_scope_printf(log_scope, "%s %s",
1283                                         xlog_timestamp, oom);
1284                 }
1285         }
1286
1287         return len;
1288 }
1289
1290
1291 static int
1292 vlog_continue(const char *fmt, va_list ap)
1293 {
1294         return weston_log_scope_vprintf(log_scope, fmt, ap);
1295 }
1296
1297 static int
1298 on_term_signal(int signo, void *data)
1299 {
1300         struct wl_display *display = data;
1301
1302         weston_log("caught signal %d\n", signo);
1303         wl_display_terminate(display);
1304
1305         return 1;
1306 }
1307
1308 static void
1309 handle_exit(struct weston_compositor *compositor)
1310 {
1311         wl_display_terminate(compositor->wl_display);
1312 }
1313
1314 static void
1315 usage(int error_code)
1316 {
1317         FILE *out = error_code == EXIT_SUCCESS ? stdout : stderr;
1318         fprintf(out,
1319                 "Usage: agl-compositor [OPTIONS]\n"
1320                 "\n"
1321                 "This is " PACKAGE_STRING ", the reference compositor for\n"
1322                 "Automotive Grade Linux. Weston-ivi supports multiple backends, and depending\n"
1323                 "on which backend is in use different options will be accepted.\n"
1324                 "\n"
1325                 "Core options:\n"
1326                 "\n"
1327                 "  --version\t\tPrint agl-compositor version\n"
1328                 "  -B, --backend=MODULE\tBackend module, one of\n"
1329                         "\t\t\t\tdrm-backend.so\n"
1330                         "\t\t\t\twayland-backend.so\n"
1331                         "\t\t\t\tx11-backend.so\n"
1332                 "  -S, --socket=NAME\tName of socket to listen on\n"
1333                 "  --log=FILE\t\tLog to the given file\n"
1334                 "  -c, --config=FILE\tConfig file to load, defaults to agl-compositor.ini\n"
1335                 "  --no-config\t\tDo not read agl-compositor.ini\n"
1336                 "  --debug\t\tEnable debug extension\n"
1337                 "  -h, --help\t\tThis help message\n"
1338                 "\n");
1339         exit(error_code);
1340 }
1341
1342 int main(int argc, char *argv[])
1343 {
1344         struct ivi_compositor ivi = { 0 };
1345         struct wl_display *display = NULL;
1346         struct wl_event_loop *loop;
1347         struct wl_event_source *signals[3] = { 0 };
1348         struct weston_config_section *section;
1349         /* Command line options */
1350         char *backend = NULL;
1351         char *socket_name = NULL;
1352         char *log = NULL;
1353         int help = 0;
1354         int version = 0;
1355         int no_config = 0;
1356         char *config_file = NULL;
1357         struct weston_log_context *log_ctx = NULL;
1358         struct weston_log_subscriber *logger;
1359         int ret = EXIT_FAILURE;
1360
1361         const struct weston_option core_options[] = {
1362                 { WESTON_OPTION_STRING, "backend", 'B', &backend },
1363                 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
1364                 { WESTON_OPTION_STRING, "log", 0, &log },
1365                 { WESTON_OPTION_BOOLEAN, "help", 'h', &help },
1366                 { WESTON_OPTION_BOOLEAN, "version", 0, &version },
1367                 { WESTON_OPTION_BOOLEAN, "no-config", 0, &no_config },
1368                 { WESTON_OPTION_STRING, "config", 'c', &config_file },
1369         };
1370
1371         wl_list_init(&ivi.outputs);
1372         wl_list_init(&ivi.surfaces);
1373         wl_list_init(&ivi.pending_surfaces);
1374         wl_list_init(&ivi.popup_pending_apps);
1375         wl_list_init(&ivi.fullscreen_pending_apps);
1376         wl_list_init(&ivi.split_pending_apps);
1377         wl_list_init(&ivi.remote_pending_apps);
1378         wl_list_init(&ivi.desktop_clients);
1379
1380         /* Prevent any clients we spawn getting our stdin */
1381         os_fd_set_cloexec(STDIN_FILENO);
1382
1383         parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv);
1384
1385         if (help)
1386                 usage(EXIT_SUCCESS);
1387
1388         if (version) {
1389                 printf(PACKAGE_STRING "\n");
1390                 return EXIT_SUCCESS;
1391         }
1392
1393         log_ctx = weston_log_ctx_compositor_create();
1394         if (!log_ctx) {
1395                 fprintf(stderr, "Failed to initialize weston debug framework.\n");
1396                 return ret;
1397         }
1398
1399         log_scope = weston_compositor_add_log_scope(log_ctx, "log",
1400                                                     "agl-compositor log\n",
1401                                                     NULL, NULL, NULL);
1402
1403         log_file_open(log);
1404         weston_log_set_handler(vlog, vlog_continue);
1405
1406         logger = weston_log_subscriber_create_log(logfile);
1407         weston_log_subscribe(log_ctx, logger, "log");
1408
1409         if (load_config(&ivi.config, no_config, config_file) < 0)
1410                 goto error_signals;
1411         section = weston_config_get_section(ivi.config, "core", NULL, NULL);
1412         if (!backend) {
1413                 weston_config_section_get_string(section, "backend", &backend,
1414                                                  NULL);
1415                 if (!backend)
1416                         backend = choose_default_backend();
1417         }
1418
1419         display = wl_display_create();
1420         loop = wl_display_get_event_loop(display);
1421
1422         wl_display_set_global_filter(display,
1423                                      global_filter, &ivi);
1424
1425         /* Register signal handlers so we shut down cleanly */
1426
1427         signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
1428                                               display);
1429         signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
1430                                               display);
1431         signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
1432                                               display);
1433
1434         for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1435                 if (!signals[i])
1436                         goto error_signals;
1437
1438         ivi.compositor = weston_compositor_create(display, log_ctx, &ivi);
1439         if (!ivi.compositor) {
1440                 weston_log("fatal: failed to create compositor.\n");
1441                 goto error_signals;
1442         }
1443
1444         if (compositor_init_config(ivi.compositor, ivi.config) < 0)
1445                 goto error_compositor;
1446
1447         if (load_backend(&ivi, backend, &argc, argv) < 0) {
1448                 weston_log("fatal: failed to create compositor backend.\n");
1449                 goto error_compositor;
1450         }
1451
1452         ivi.heads_changed.notify = heads_changed;
1453         weston_compositor_add_heads_changed_listener(ivi.compositor,
1454                                                      &ivi.heads_changed);
1455
1456         if (ivi_desktop_init(&ivi) < 0)
1457                 goto error_compositor;
1458
1459         if (ivi_policy_init(&ivi) < 0)
1460                 goto error_compositor;
1461
1462         if (ivi_shell_init(&ivi) < 0)
1463                 goto error_compositor;
1464
1465         add_bindings(ivi.compositor);
1466
1467         weston_compositor_flush_heads_changed(ivi.compositor);
1468
1469         ivi_shell_init_black_fs(&ivi);
1470
1471         if (create_listening_socket(display, socket_name) < 0)
1472                 goto error_compositor;
1473
1474         ivi.compositor->exit = handle_exit;
1475
1476         weston_compositor_wake(ivi.compositor);
1477
1478         ivi_shell_create_global(&ivi);
1479         ivi_launch_shell_client(&ivi);
1480         ivi_agl_systemd_notify(&ivi);
1481
1482         wl_display_run(display);
1483
1484         ret = ivi.compositor->exit_code;
1485
1486         wl_display_destroy_clients(display);
1487
1488 error_compositor:
1489         weston_compositor_tear_down(ivi.compositor);
1490
1491         weston_compositor_log_scope_destroy(log_scope);
1492         log_scope = NULL;
1493
1494         weston_log_ctx_compositor_destroy(ivi.compositor);
1495         weston_compositor_destroy(ivi.compositor);
1496
1497         weston_log_subscriber_destroy_log(logger);
1498
1499         ivi_policy_destroy(ivi.policy);
1500
1501 error_signals:
1502         for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1503                 if (signals[i])
1504                         wl_event_source_remove(signals[i]);
1505
1506         wl_display_destroy(display);
1507
1508         log_file_close();
1509         if (ivi.config)
1510                 weston_config_destroy(ivi.config);
1511
1512         return ret;
1513 }