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         if (output->fullscreen_view.fs->view) {
  78                 weston_surface_destroy(output->fullscreen_view.fs->view->surface);
  79                 output->fullscreen_view.fs->view = NULL;
  80         }
  81
  82         output->output = NULL;
  83         wl_list_remove(&output->output_destroy.link);
  84 }
  85
  86 struct ivi_output *
  87 to_ivi_output(struct weston_output *o)
  88 {
  89         struct wl_listener *listener;
  90         struct ivi_output *output;
  91
  92         listener = weston_output_get_destroy_listener(o, handle_output_destroy);
  93         output = wl_container_of(listener, output, output_destroy);
  94
  95         return output;
  96 }
  97
  98 static void
  99 ivi_output_configure_app_id(struct ivi_output *ivi_output)
 100 {
 101         if (ivi_output->config) {
 102                 if (ivi_output->app_id != NULL)
 103                         return;
 104
 105                 weston_config_section_get_string(ivi_output->config,
 106                                                  "agl-shell-app-id",
 107                                                  &ivi_output->app_id,
 108                                                  NULL);
 109
 110                 if (ivi_output->app_id == NULL)
 111                         return;
 112
 113                 weston_log("Will place app_id %s on output %s\n",
 114                                 ivi_output->app_id, ivi_output->name);
 115         }
 116 }
 117
 118 static struct ivi_output *
 119 ivi_ensure_output(struct ivi_compositor *ivi, char *name,
 120                   struct weston_config_section *config)
 121 {
 122         struct ivi_output *output = NULL;
 123         wl_list_for_each(output, &ivi->outputs, link) {
 124                 if (strcmp(output->name, name) == 0) {
 125                         free(name);
 126                         return output;
 127                 }
 128         }
 129
 130         output = zalloc(sizeof *output);
 131         if (!output) {
 132                 free(name);
 133                 return NULL;
 134         }
 135
 136         output->ivi = ivi;
 137         output->name = name;
 138         output->config = config;
 139
 140         output->output = weston_compositor_create_output(ivi->compositor, name);
 141         if (!output->output) {
 142                 free(output->name);
 143                 free(output);
 144                 return NULL;
 145         }
 146
 147         output->output_destroy.notify = handle_output_destroy;
 148         weston_output_add_destroy_listener(output->output,
 149                                            &output->output_destroy);
 150
 151         wl_list_insert(&ivi->outputs, &output->link);
 152         ivi_output_configure_app_id(output);
 153         return output;
 154 }
 155
 156 static int
 157 count_heads(struct weston_output *output)
 158 {
 159         struct weston_head *iter = NULL;
 160         int n = 0;
 161
 162         while ((iter = weston_output_iterate_heads(output, iter)))
 163                 ++n;
 164
 165         return n;
 166 }
 167
 168 static void
 169 handle_head_destroy(struct wl_listener *listener, void *data)
 170 {
 171         struct weston_head *head = data;
 172         struct weston_output *output;
 173
 174         wl_list_remove(&listener->link);
 175         free(listener);
 176
 177         output = weston_head_get_output(head);
 178
 179         /* On shutdown path, the output might be already gone. */
 180         if (!output)
 181                 return;
 182
 183         /* We're the last head */
 184         if (count_heads(output) <= 1)
 185                 weston_output_destroy(output);
 186 }
 187
 188 static void
 189 add_head_destroyed_listener(struct weston_head *head)
 190 {
 191         /* We already have a destroy listener */
 192         if (weston_head_get_destroy_listener(head, handle_head_destroy))
 193                 return;
 194
 195         struct wl_listener *listener = zalloc(sizeof *listener);
 196         if (!listener)
 197                 return;
 198
 199         listener->notify = handle_head_destroy;
 200         weston_head_add_destroy_listener(head, listener);
 201 }
 202
 203 static int
 204 drm_configure_output(struct ivi_output *output)
 205 {
 206         struct ivi_compositor *ivi = output->ivi;
 207         struct weston_config_section *section = output->config;
 208         enum weston_drm_backend_output_mode mode =
 209                 WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
 210         char *modeline = NULL;
 211         char *gbm_format = NULL;
 212         char *seat = NULL;
 213
 214         if (section) {
 215                 char *m;
 216                 weston_config_section_get_string(section, "mode", &m, "preferred");
 217
 218                 /* This should have been handled earlier */
 219                 assert(strcmp(m, "off") != 0);
 220
 221                 if (ivi->cmdline.use_current_mode || strcmp(m, "current") == 0) {
 222                         mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
 223                 } else if (strcmp(m, "preferred") != 0) {
 224                         modeline = m;
 225                         m = NULL;
 226                 }
 227                 free(m);
 228
 229                 weston_config_section_get_string(section, "gbm-format",
 230                                                  &gbm_format, NULL);
 231
 232                 weston_config_section_get_string(section, "seat", &seat, "");
 233         }
 234
 235         if (ivi->drm_api->set_mode(output->output, mode, modeline) < 0) {
 236                 weston_log("Cannot configure output using weston_drm_output_api.\n");
 237                 free(modeline);
 238                 return -1;
 239         }
 240         free(modeline);
 241
 242         ivi->drm_api->set_gbm_format(output->output, gbm_format);
 243         free(gbm_format);
 244
 245         ivi->drm_api->set_seat(output->output, seat);
 246         free(seat);
 247
 248         return 0;
 249 }
 250
 251 #define WINDOWED_DEFAULT_WIDTH 1024
 252 #define WINDOWED_DEFAULT_HEIGHT 768
 253
 254 static int
 255 windowed_configure_output(struct ivi_output *output)
 256 {
 257         struct ivi_compositor *ivi = output->ivi;
 258         struct weston_config_section *section = output->config;
 259         int width = WINDOWED_DEFAULT_WIDTH;
 260         int height = WINDOWED_DEFAULT_HEIGHT;
 261
 262         if (section) {
 263                 char *mode;
 264
 265                 weston_config_section_get_string(section, "mode", &mode, NULL);
 266                 if (!mode || sscanf(mode, "%dx%d", &width, &height) != 2) {
 267                         weston_log("Invalid mode for output %s. Using defaults.\n",
 268                                    output->name);
 269                         width = WINDOWED_DEFAULT_WIDTH;
 270                         height = WINDOWED_DEFAULT_HEIGHT;
 271                 }
 272                 free(mode);
 273         }
 274
 275         if (ivi->cmdline.width)
 276                 width = ivi->cmdline.width;
 277         if (ivi->cmdline.height)
 278                 height = ivi->cmdline.height;
 279         if (ivi->cmdline.scale)
 280                 weston_output_set_scale(output->output, ivi->cmdline.scale);
 281
 282         if (ivi->window_api->output_set_size(output->output, width, height) < 0) {
 283                 weston_log("Cannot configure output '%s' using weston_windowed_output_api.\n",
 284                            output->name);
 285                 return -1;
 286         }
 287
 288         return 0;
 289 }
 290
 291 static int
 292 parse_transform(const char *transform, uint32_t *out)
 293 {
 294         static const struct { const char *name; uint32_t token; } transforms[] = {
 295                 { "normal",     WL_OUTPUT_TRANSFORM_NORMAL },
 296                 { "90",         WL_OUTPUT_TRANSFORM_90 },
 297                 { "180",        WL_OUTPUT_TRANSFORM_180 },
 298                 { "270",        WL_OUTPUT_TRANSFORM_270 },
 299                 { "flipped",    WL_OUTPUT_TRANSFORM_FLIPPED },
 300                 { "flipped-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 },
 301                 { "flipped-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
 302                 { "flipped-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
 303         };
 304
 305         for (size_t i = 0; i < ARRAY_LENGTH(transforms); i++)
 306                 if (strcmp(transforms[i].name, transform) == 0) {
 307                         *out = transforms[i].token;
 308                         return 0;
 309                 }
 310
 311         *out = WL_OUTPUT_TRANSFORM_NORMAL;
 312         return -1;
 313 }
 314
 315 static int
 316 configure_output(struct ivi_output *output)
 317 {
 318         struct ivi_compositor *ivi = output->ivi;
 319         struct weston_config_section *section = output->config;
 320         int32_t scale = 1;
 321         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
 322
 323         /*
 324          * This can happen with the wayland backend with 'sprawl'. The config
 325          * is hard-coded, so we don't need to do anything.
 326          */
 327         if (!ivi->drm_api && !ivi->window_api)
 328                 return 0;
 329
 330         if (section) {
 331                 char *t;
 332
 333                 weston_config_section_get_int(section, "scale", &scale, 1);
 334                 weston_config_section_get_string(section, "transform", &t, "normal");
 335                 if (parse_transform(t, &transform) < 0)
 336                         weston_log("Invalid transform \"%s\" for output %s\n",
 337                                    t, output->name);
 338                 free(t);
 339         }
 340
 341         weston_output_set_scale(output->output, scale);
 342         weston_output_set_transform(output->output, transform);
 343
 344         if (ivi->drm_api)
 345                 return drm_configure_output(output);
 346         else
 347                 return windowed_configure_output(output);
 348 }
 349
 350 /*
 351  * Reorgainizes the output's add array into two sections.
 352  * add[0..ret-1] are the heads that failed to get attached.
 353  * add[ret..add_len] are the heads that were successfully attached.
 354  *
 355  * The order between elements in each section is stable.
 356  */
 357 static size_t
 358 try_attach_heads(struct ivi_output *output)
 359 {
 360         size_t fail_len = 0;
 361
 362         for (size_t i = 0; i < output->add_len; ++i) {
 363                 if (weston_output_attach_head(output->output, output->add[i]) < 0) {
 364                         struct weston_head *tmp = output->add[i];
 365                         memmove(&output->add[fail_len + 1], output->add[fail_len],
 366                                 sizeof output->add[0] * (i - fail_len));
 367                         output->add[fail_len++] = tmp;
 368                 }
 369         }
 370
 371         return fail_len;
 372 }
 373
 374 /*
 375  * Like try_attach_heads, this reorganizes the output's add array into a failed
 376  * and successful section.
 377  * i is the number of heads that already failed the previous step.
 378  */
 379 static size_t
 380 try_enable_output(struct ivi_output *output, size_t i)
 381 {
 382         for (; i < output->add_len; ++i) {
 383                 struct weston_head *head;
 384
 385                 if (weston_output_enable(output->output) == 0)
 386                         break;
 387
 388                 head = output->add[output->add_len - 1];
 389                 memmove(&output->add[i + 1], &output->add[i],
 390                         sizeof output->add[0] * (output->add_len - i));
 391                 output->add[i] = head;
 392
 393                 weston_head_detach(head);
 394         }
 395
 396         return i;
 397 }
 398
 399 static int
 400 try_attach_enable_heads(struct ivi_output *output)
 401 {
 402         size_t fail_len;
 403         assert(!output->output->enabled);
 404
 405         fail_len = try_attach_heads(output);
 406
 407         if (configure_output(output) < 0)
 408                 return -1;
 409
 410         fail_len = try_enable_output(output, fail_len);
 411
 412         /* All heads failed to be attached */
 413         if (fail_len == output->add_len)
 414                 return -1;
 415
 416         /* For each successful head attached */
 417         for (size_t i = fail_len; i < output->add_len; ++i)
 418                 add_head_destroyed_listener(output->add[i]);
 419
 420         output->add_len = fail_len;
 421         return 0;
 422 }
 423
 424 static int
 425 process_output(struct ivi_output *output)
 426 {
 427         if (output->output->enabled) {
 428                 output->add_len = try_attach_heads(output);
 429                 return output->add_len == 0 ? 0 : -1;
 430         }
 431
 432         return try_attach_enable_heads(output);
 433 }
 434
 435 static void
 436 head_disable(struct ivi_compositor *ivi, struct weston_head *head)
 437 {
 438         struct weston_output *output;
 439         struct ivi_output *ivi_output;
 440         struct wl_listener *listener;
 441
 442         output = weston_head_get_output(head);
 443         assert(output);
 444
 445         listener = weston_output_get_destroy_listener(output,
 446                                                       handle_output_destroy);
 447         assert(listener);
 448
 449         ivi_output = wl_container_of(listener, ivi_output, output_destroy);
 450         assert(ivi_output->output == output);
 451
 452         weston_head_detach(head);
 453         if (count_heads(ivi_output->output) == 0) {
 454                 weston_output_disable(ivi_output->output);
 455         }
 456 }
 457
 458 static struct weston_config_section *
 459 find_controlling_output_config(struct weston_config *config,
 460                                const char *name)
 461 {
 462         struct weston_config_section *section;
 463         char *same_as;
 464         int depth = 0;
 465
 466         same_as = strdup(name);
 467         do {
 468                 section = weston_config_get_section(config, "output",
 469                                                     "name", same_as);
 470                 if (!section && depth > 0)
 471                         weston_log("Configuration error: output section reffered"
 472                                    "to by same-as=%s not found.\n", same_as);
 473                 free(same_as);
 474
 475                 if (!section)
 476                         return NULL;
 477
 478                 if (depth++ > 8) {
 479                         weston_log("Configuration error: same-as nested too "
 480                                    "deep for output '%s'.\n", name);
 481                         return NULL;
 482                 }
 483
 484                 weston_config_section_get_string(section, "same-as",
 485                                                  &same_as, NULL);
 486         } while (same_as);
 487
 488         return section;
 489 }
 490
 491 static void
 492 head_prepare_enable(struct ivi_compositor *ivi, struct weston_head *head)
 493 {
 494         const char *name = weston_head_get_name(head);
 495         struct weston_config_section *section;
 496         struct ivi_output *output;
 497         char *output_name = NULL;
 498
 499         section = find_controlling_output_config(ivi->config, name);
 500         if (section) {
 501                 char *mode;
 502
 503                 weston_config_section_get_string(section, "mode", &mode, NULL);
 504                 if (mode && strcmp(mode, "off") == 0) {
 505                         free(mode);
 506                         return;
 507                 }
 508                 free(mode);
 509
 510                 weston_config_section_get_string(section, "name",
 511                                                  &output_name, NULL);
 512         } else {
 513                 output_name = strdup(name);
 514         }
 515
 516         if (!output_name)
 517                 return;
 518
 519         output = ivi_ensure_output(ivi, output_name, section);
 520         if (!output)
 521                 return;
 522
 523         if (output->add_len >= ARRAY_LENGTH(output->add))
 524                 return;
 525
 526         output->add[output->add_len++] = head;
 527 }
 528
 529 static void
 530 heads_changed(struct wl_listener *listener, void *arg)
 531 {
 532         struct weston_compositor *compositor = arg;
 533         struct weston_head *head = NULL;
 534         struct ivi_compositor *ivi = to_ivi_compositor(compositor);
 535         struct ivi_output *output;
 536
 537         while ((head = weston_compositor_iterate_heads(ivi->compositor, head))) {
 538                 bool connected = weston_head_is_connected(head);
 539                 bool enabled = weston_head_is_enabled(head);
 540                 bool changed = weston_head_is_device_changed(head);
 541                 bool non_desktop = weston_head_is_non_desktop(head);
 542
 543                 if (connected && !enabled && !non_desktop)
 544                         head_prepare_enable(ivi, head);
 545                 else if (!connected && enabled)
 546                         head_disable(ivi, head);
 547                 else if (enabled && changed)
 548                         weston_log("Detected a monitor change on head '%s', "
 549                                    "not bothering to do anything about it.\n",
 550                                    weston_head_get_name(head));
 551
 552                 weston_head_reset_device_changed(head);
 553         }
 554
 555         wl_list_for_each(output, &ivi->outputs, link) {
 556                 if (output->add_len == 0)
 557                         continue;
 558
 559                 if (process_output(output) < 0) {
 560                         output->add_len = 0;
 561                         ivi->init_failed = true;
 562                 }
 563         }
 564 }
 565
 566 #ifdef HAVE_REMOTING
 567 static int
 568 drm_backend_remoted_output_configure(struct weston_output *output,
 569                                      struct weston_config_section *section,
 570                                      char *modeline,
 571                                      const struct weston_remoting_api *api)
 572 {
 573         char *gbm_format = NULL;
 574         char *seat = NULL;
 575         char *host = NULL;
 576         char *pipeline = NULL;
 577         int port, ret;
 578         int32_t scale = 1;
 579         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
 580         char *trans;
 581
 582         ret = api->set_mode(output, modeline);
 583         if (ret < 0) {
 584                 weston_log("Cannot configure an output \"%s\" using "
 585                                 "weston_remoting_api. Invalid mode\n",
 586                                 output->name);
 587                 return -1;
 588         }
 589
 590         weston_config_section_get_int(section, "scale", &scale, 1);
 591         weston_output_set_scale(output, scale);
 592
 593         weston_config_section_get_string(section, "transform", &trans, "normal");
 594         if (parse_transform(trans, &transform) < 0) {
 595                 weston_log("Invalid transform \"%s\" for output %s\n",
 596                            trans, output->name);
 597         }
 598         weston_output_set_transform(output, transform);
 599
 600         weston_config_section_get_string(section, "gbm-format",
 601                                          &gbm_format, NULL);
 602         api->set_gbm_format(output, gbm_format);
 603         free(gbm_format);
 604
 605         weston_config_section_get_string(section, "seat", &seat, "");
 606
 607         api->set_seat(output, seat);
 608         free(seat);
 609
 610         weston_config_section_get_string(section, "gst-pipeline", &pipeline,
 611                         NULL);
 612         if (pipeline) {
 613                 api->set_gst_pipeline(output, pipeline);
 614                 free(pipeline);
 615                 return 0;
 616         }
 617
 618         weston_config_section_get_string(section, "host", &host, NULL);
 619         weston_config_section_get_int(section, "port", &port, 0);
 620         if (!host || port <= 0 || 65533 < port) {
 621                 weston_log("Cannot configure an output \"%s\". "
 622                                 "Need to specify gst-pipeline or "
 623                                 "host and port (1-65533).\n", output->name);
 624         }
 625         api->set_host(output, host);
 626         free(host);
 627         api->set_port(output, port);
 628
 629         return 0;
 630 }
 631
 632
 633 static int
 634 remote_output_init(struct ivi_output *ivi_output,
 635                    struct weston_compositor *compositor,
 636                    struct weston_config_section *section,
 637                    const struct weston_remoting_api *api)
 638 {
 639         char *output_name, *modeline = NULL;
 640         int ret = -1;
 641
 642         weston_config_section_get_string(section, "name", &output_name, NULL);
 643         if (!output_name)
 644                 return ret;
 645
 646         weston_config_section_get_string(section, "mode", &modeline, "off");
 647         if (strcmp(modeline, "off") == 0)
 648                 goto err;
 649
 650         ivi_output->output = api->create_output(compositor, output_name);
 651         if (!ivi_output->output) {
 652                 weston_log("Cannot create remoted output \"%s\".\n",
 653                                 output_name);
 654                 goto err;
 655         }
 656
 657         ret = drm_backend_remoted_output_configure(ivi_output->output, section,
 658                                                    modeline, api);
 659         if (ret < 0) {
 660                 weston_log("Cannot configure remoted output \"%s\".\n",
 661                                 output_name);
 662                 goto err;
 663         }
 664
 665         if (weston_output_enable(ivi_output->output) < 0) {
 666                 weston_log("Enabling remoted output \"%s\" failed.\n",
 667                                 output_name);
 668                 goto err;
 669         }
 670
 671         free(modeline);
 672         free(output_name);
 673         weston_log("remoted output '%s' enabled\n", ivi_output->output->name);
 674
 675         return 0;
 676
 677 err:
 678         free(modeline);
 679         free(output_name);
 680         if (ivi_output->output)
 681                 weston_output_destroy(ivi_output->output);
 682
 683         return ret;
 684 }
 685
 686 static void
 687 ivi_enable_remote_outputs(struct ivi_compositor *ivi)
 688 {
 689         struct weston_config_section *remote_section = NULL;
 690         const char *section_name;
 691         struct weston_config *config = ivi->config;
 692
 693         while (weston_config_next_section(config, &remote_section, &section_name)) {
 694                 if (strcmp(section_name, "remote-output"))
 695                         continue;
 696
 697                 struct ivi_output *ivi_output = NULL;
 698                 bool output_found = false;
 699                 char *_name = NULL;
 700
 701                 weston_config_section_get_string(remote_section,
 702                                                  "name", &_name, NULL);
 703                 wl_list_for_each(ivi_output, &ivi->outputs, link) {
 704                         if (!strcmp(ivi_output->name, _name)) {
 705                                 output_found = true;
 706                                 break;
 707                         }
 708                 }
 709
 710                 if (output_found) {
 711                         free(_name);
 712                         continue;
 713                 }
 714
 715                 ivi_output = zalloc(sizeof(*ivi_output));
 716
 717                 ivi_output->ivi = ivi;
 718                 ivi_output->name = _name;
 719                 ivi_output->config = remote_section;
 720
 721                 if (remote_output_init(ivi_output, ivi->compositor,
 722                                        remote_section, ivi->remoting_api)) {
 723                         free(ivi_output->name);
 724                         free(ivi_output);
 725                         continue;
 726                 }
 727
 728                 ivi_output->output_destroy.notify = handle_output_destroy;
 729                 weston_output_add_destroy_listener(ivi_output->output,
 730                                                    &ivi_output->output_destroy);
 731
 732                 wl_list_insert(&ivi->outputs, &ivi_output->link);
 733                 ivi_output_configure_app_id(ivi_output);
 734         }
 735 }
 736
 737 static int
 738 load_remoting_plugin(struct ivi_compositor *ivi, struct weston_config *config)
 739 {
 740         struct weston_compositor *compositor = ivi->compositor;
 741         int (*module_init)(struct weston_compositor *wc);
 742
 743         module_init = weston_load_module("remoting-plugin.so",
 744                                          "weston_module_init");
 745         if (!module_init)
 746                 return -1;
 747
 748         if (module_init(compositor) < 0)
 749                 return -1;
 750
 751         ivi->remoting_api = weston_remoting_get_api(compositor);
 752         if (!ivi->remoting_api)
 753                 return -1;
 754         return 0;
 755 }
 756 #else
 757 static int
 758 load_remoting_plugin(struct weston_compositor *compositor, struct weston_config *config)
 759 {
 760         return -1;
 761 }
 762 #endif
 763
 764 static int
 765 load_drm_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
 766 {
 767         struct weston_drm_backend_config config = {
 768                 .base = {
 769                         .struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION,
 770                         .struct_size = sizeof config,
 771                 },
 772         };
 773         struct weston_config_section *section;
 774         int use_current_mode = 0;
 775         int use_pixman = 0;
 776         bool use_shadow;
 777         int ret;
 778
 779         const struct weston_option options[] = {
 780                 { WESTON_OPTION_STRING, "seat", 0, &config.seat_id },
 781                 { WESTON_OPTION_INTEGER, "tty", 0, &config.tty },
 782                 { WESTON_OPTION_STRING, "drm-device", 0, &config.specific_device },
 783                 { WESTON_OPTION_BOOLEAN, "current-mode", 0, &use_current_mode },
 784                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
 785         };
 786
 787         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 788         config.use_pixman = use_pixman;
 789         ivi->cmdline.use_current_mode = use_current_mode;
 790
 791         section = weston_config_get_section(ivi->config, "core", NULL, NULL);
 792         weston_config_section_get_string(section, "gbm-format",
 793                                          &config.gbm_format, NULL);
 794         weston_config_section_get_uint(section, "pageflip-timeout",
 795                                        &config.pageflip_timeout, 0);
 796         weston_config_section_get_bool(section, "pixman-shadow", &use_shadow, 1);
 797         config.use_pixman_shadow = use_shadow;
 798
 799         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_DRM,
 800                                              &config.base);
 801         if (ret < 0)
 802                 return ret;
 803
 804         ivi->drm_api = weston_drm_output_get_api(ivi->compositor);
 805         if (!ivi->drm_api) {
 806                 weston_log("Cannot use drm output api.\n");
 807                 ret = -1;
 808                 goto error;
 809         }
 810
 811         load_remoting_plugin(ivi, ivi->config);
 812
 813 error:
 814         free(config.gbm_format);
 815         free(config.seat_id);
 816         return ret;
 817 }
 818
 819 static void
 820 windowed_parse_common_options(struct ivi_compositor *ivi, int *argc, char *argv[],
 821                               bool *use_pixman, bool *fullscreen, int *output_count)
 822 {
 823         struct weston_config_section *section;
 824         bool pixman;
 825         int fs = 0;
 826
 827         const struct weston_option options[] = {
 828                 { WESTON_OPTION_INTEGER, "width", 0, &ivi->cmdline.width },
 829                 { WESTON_OPTION_INTEGER, "height", 0, &ivi->cmdline.height },
 830                 { WESTON_OPTION_INTEGER, "scale", 0, &ivi->cmdline.scale },
 831                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &pixman },
 832                 { WESTON_OPTION_BOOLEAN, "fullscreen", 0, &fs },
 833                 { WESTON_OPTION_INTEGER, "output-count", 0, output_count },
 834         };
 835
 836         section = weston_config_get_section(ivi->config, "core", NULL, NULL);
 837         weston_config_section_get_bool(section, "use-pixman", &pixman, 0);
 838
 839         *output_count = 1;
 840         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 841         *use_pixman = pixman;
 842         *fullscreen = fs;
 843 }
 844
 845 static int
 846 windowed_create_outputs(struct ivi_compositor *ivi, int output_count,
 847                         const char *match_prefix, const char *name_prefix)
 848 {
 849         struct weston_config_section *section = NULL;
 850         const char *section_name;
 851         char *default_output = NULL;
 852         int i = 0;
 853         size_t match_len = strlen(match_prefix);
 854
 855         while (weston_config_next_section(ivi->config, &section, &section_name)) {
 856                 char *output_name;
 857
 858                 if (i >= output_count)
 859                         break;
 860
 861                 if (strcmp(section_name, "output") != 0)
 862                         continue;
 863
 864                 weston_config_section_get_string(section, "name", &output_name, NULL);
 865                 if (output_name == NULL)
 866                         continue;
 867                 if (strncmp(output_name, match_prefix, match_len) != 0) {
 868                         free(output_name);
 869                         continue;
 870                 }
 871
 872                 if (ivi->window_api->create_head(ivi->compositor, output_name) < 0) {
 873                         free(output_name);
 874                         return -1;
 875                 }
 876
 877                 free(output_name);
 878                 ++i;
 879         }
 880
 881         for (; i < output_count; ++i) {
 882                 if (asprintf(&default_output, "%s%d", name_prefix, i) < 0)
 883                         return -1;
 884
 885                 if (ivi->window_api->create_head(ivi->compositor, default_output) < 0) {
 886                         free(default_output);
 887                         return -1;
 888                 }
 889
 890                 free(default_output);
 891         }
 892
 893         return 0;
 894 }
 895
 896 static int
 897 load_wayland_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
 898 {
 899         struct weston_wayland_backend_config config = {
 900                 .base = {
 901                         .struct_version = WESTON_WAYLAND_BACKEND_CONFIG_VERSION,
 902                         .struct_size = sizeof config,
 903                 },
 904         };
 905         struct weston_config_section *section;
 906         int sprawl = 0;
 907         int output_count;
 908         int ret;
 909
 910         const struct weston_option options[] = {
 911                 { WESTON_OPTION_STRING, "display", 0, &config.display_name },
 912                 { WESTON_OPTION_STRING, "sprawl", 0, &sprawl },
 913         };
 914
 915         windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
 916                                       &config.fullscreen, &output_count);
 917
 918         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 919         config.sprawl = sprawl;
 920
 921         section = weston_config_get_section(ivi->config, "shell", NULL, NULL);
 922         weston_config_section_get_string(section, "cursor-theme",
 923                                          &config.cursor_theme, NULL);
 924         weston_config_section_get_int(section, "cursor-size",
 925                                       &config.cursor_size, 32);
 926
 927         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_WAYLAND,
 928                                              &config.base);
 929
 930         free(config.cursor_theme);
 931         free(config.display_name);
 932
 933         if (ret < 0)
 934                 return ret;
 935
 936         ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
 937
 938         /*
 939          * We will just assume if load_backend() finished cleanly and
 940          * windowed_output_api is not present that wayland backend is started
 941          * with --sprawl or runs on fullscreen-shell. In this case, all values
 942          * are hardcoded, so nothing can be configured; simply create and
 943          * enable an output.
 944          */
 945         if (ivi->window_api == NULL)
 946                 return 0;
 947
 948         return windowed_create_outputs(ivi, output_count, "WL", "wayland");
 949 }
 950
 951 #ifdef HAVE_BACKEND_X11
 952 static int
 953 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
 954 {
 955         struct weston_x11_backend_config config = {
 956                 .base = {
 957                         .struct_version = WESTON_X11_BACKEND_CONFIG_VERSION,
 958                         .struct_size = sizeof config,
 959                 },
 960         };
 961         int no_input = 0;
 962         int output_count;
 963         int ret;
 964
 965         const struct weston_option options[] = {
 966                { WESTON_OPTION_BOOLEAN, "no-input", 0, &no_input },
 967         };
 968
 969         windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
 970                                       &config.fullscreen, &output_count);
 971
 972         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 973         config.no_input = no_input;
 974
 975         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_X11,
 976                                              &config.base);
 977
 978         if (ret < 0)
 979                 return ret;
 980
 981         ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
 982         if (!ivi->window_api) {
 983                 weston_log("Cannot use weston_windowed_output_api.\n");
 984                 return -1;
 985         }
 986
 987         return windowed_create_outputs(ivi, output_count, "X", "screen");
 988 }
 989 #else
 990 static int
 991 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
 992 {
 993         return -1;
 994 }
 995 #endif
 996
 997 static int
 998 load_backend(struct ivi_compositor *ivi, const char *backend,
 999              int *argc, char *argv[])
1000 {
1001         if (strcmp(backend, "drm-backend.so") == 0) {
1002                 return load_drm_backend(ivi, argc, argv);
1003         } else if (strcmp(backend, "wayland-backend.so") == 0) {
1004                 return load_wayland_backend(ivi, argc, argv);
1005         } else if (strcmp(backend, "x11-backend.so") == 0) {
1006                 return load_x11_backend(ivi, argc, argv);
1007         }
1008
1009         weston_log("fatal: unknown backend '%s'.\n", backend);
1010         return -1;
1011 }
1012
1013 static char *
1014 choose_default_backend(void)
1015 {
1016         char *backend = NULL;
1017
1018         if (getenv("WAYLAND_DISPLAY") || getenv("WAYLAND_SOCKET"))
1019                 backend = strdup("wayland-backend.so");
1020         else if (getenv("DISPLAY"))
1021                 backend = strdup("x11-backend.so");
1022         else
1023                 backend = strdup("drm-backend.so");
1024
1025         return backend;
1026 }
1027
1028 static int
1029 compositor_init_config(struct weston_compositor *compositor,
1030                        struct weston_config *config)
1031 {
1032         struct xkb_rule_names xkb_names;
1033         struct weston_config_section *section;
1034         int repaint_msec;
1035         bool vt_switching;
1036         bool require_input;
1037
1038         /* agl-compositor.ini [keyboard] */
1039         section = weston_config_get_section(config, "keyboard", NULL, NULL);
1040         weston_config_section_get_string(section, "keymap_rules",
1041                                          (char **) &xkb_names.rules, NULL);
1042         weston_config_section_get_string(section, "keymap_model",
1043                                          (char **) &xkb_names.model, NULL);
1044         weston_config_section_get_string(section, "keymap_layout",
1045                                          (char **) &xkb_names.layout, NULL);
1046         weston_config_section_get_string(section, "keymap_variant",
1047                                          (char **) &xkb_names.variant, NULL);
1048         weston_config_section_get_string(section, "keymap_options",
1049                                          (char **) &xkb_names.options, NULL);
1050
1051         if (weston_compositor_set_xkb_rule_names(compositor, &xkb_names) < 0)
1052                 return -1;
1053
1054         weston_config_section_get_int(section, "repeat-rate",
1055                                       &compositor->kb_repeat_rate, 40);
1056         weston_config_section_get_int(section, "repeat-delay",
1057                                       &compositor->kb_repeat_delay, 400);
1058
1059         weston_config_section_get_bool(section, "vt-switching",
1060                                        &vt_switching, true);
1061         compositor->vt_switching = vt_switching;
1062
1063         /* agl-compositor.ini [core] */
1064         section = weston_config_get_section(config, "core", NULL, NULL);
1065
1066         weston_config_section_get_bool(section, "require-input", &require_input, true);
1067         compositor->require_input = require_input;
1068
1069         weston_config_section_get_int(section, "repaint-window", &repaint_msec,
1070                                       compositor->repaint_msec);
1071         if (repaint_msec < -10 || repaint_msec > 1000) {
1072                 weston_log("Invalid repaint_window value in config: %d\n",
1073                            repaint_msec);
1074         } else {
1075                 compositor->repaint_msec = repaint_msec;
1076         }
1077         weston_log("Output repaint window is %d ms maximum.\n",
1078                    compositor->repaint_msec);
1079
1080         return 0;
1081 }
1082
1083 struct ivi_surface *
1084 to_ivi_surface(struct weston_surface *surface)
1085 {
1086         struct weston_desktop_surface *dsurface;
1087
1088         dsurface = weston_surface_get_desktop_surface(surface);
1089         if (!dsurface)
1090                 return NULL;
1091
1092         return weston_desktop_surface_get_user_data(dsurface);
1093 }
1094
1095 static void
1096 activate_binding(struct weston_seat *seat,
1097                  struct weston_view *focus_view)
1098 {
1099         struct weston_surface *focus = focus_view->surface;
1100         struct weston_surface *main_surface =
1101                 weston_surface_get_main_surface(focus);
1102         struct ivi_surface *surface;
1103
1104         surface = to_ivi_surface(main_surface);
1105         if (!surface)
1106                 return;
1107
1108         weston_seat_set_keyboard_focus(seat, focus);
1109 }
1110
1111 static void
1112 click_to_activate_binding(struct weston_pointer *pointer,
1113                           const struct timespec *time,
1114                           uint32_t button, void *data)
1115 {
1116         if (pointer->grab != &pointer->default_grab)
1117                 return;
1118         if (pointer->focus == NULL)
1119                 return;
1120
1121         activate_binding(pointer->seat, pointer->focus);
1122 }
1123
1124 static void
1125 touch_to_activate_binding(struct weston_touch *touch,
1126                           const struct timespec *time,
1127                           void *data)
1128 {
1129         if (touch->grab != &touch->default_grab)
1130                 return;
1131         if (touch->focus == NULL)
1132                 return;
1133
1134         activate_binding(touch->seat, touch->focus);
1135 }
1136
1137 static void
1138 add_bindings(struct weston_compositor *compositor)
1139 {
1140         weston_compositor_add_button_binding(compositor, BTN_LEFT, 0,
1141                                              click_to_activate_binding,
1142                                              NULL);
1143         weston_compositor_add_button_binding(compositor, BTN_RIGHT, 0,
1144                                              click_to_activate_binding,
1145                                              NULL);
1146         weston_compositor_add_touch_binding(compositor, 0,
1147                                             touch_to_activate_binding,
1148                                             NULL);
1149 }
1150
1151 static int
1152 create_listening_socket(struct wl_display *display, const char *socket_name)
1153 {
1154         if (socket_name) {
1155                 if (wl_display_add_socket(display, socket_name)) {
1156                         weston_log("fatal: failed to add socket: %s\n",
1157                                    strerror(errno));
1158                         return -1;
1159                 }
1160         } else {
1161                 socket_name = wl_display_add_socket_auto(display);
1162                 if (!socket_name) {
1163                         weston_log("fatal: failed to add socket: %s\n",
1164                                    strerror(errno));
1165                         return -1;
1166                 }
1167         }
1168
1169         setenv("WAYLAND_DISPLAY", socket_name, 1);
1170
1171         return 0;
1172 }
1173
1174 static bool
1175 global_filter(const struct wl_client *client, const struct wl_global *global,
1176               void *data)
1177 {
1178         return true;
1179 }
1180
1181 static int
1182 load_config(struct weston_config **config, bool no_config,
1183             const char *config_file)
1184 {
1185         const char *file = "agl-compositor.ini";
1186         const char *full_path;
1187
1188         if (config_file)
1189                 file = config_file;
1190
1191         if (!no_config)
1192                 *config = weston_config_parse(file);
1193
1194         if (*config) {
1195                 full_path = weston_config_get_full_path(*config);
1196
1197                 weston_log("Using config file '%s'.\n", full_path);
1198                 setenv(WESTON_CONFIG_FILE_ENV_VAR, full_path, 1);
1199
1200                 return 0;
1201         }
1202
1203         if (config_file && !no_config) {
1204                 weston_log("fatal: error opening or reading config file '%s'.\n",
1205                         config_file);
1206
1207                 return -1;
1208         }
1209
1210         weston_log("Starting with no config file.\n");
1211         setenv(WESTON_CONFIG_FILE_ENV_VAR, "", 1);
1212
1213         return 0;
1214 }
1215
1216 static FILE *logfile;
1217
1218 static char *
1219 log_timestamp(char *buf, size_t len)
1220 {
1221         struct timeval tv;
1222         struct tm *brokendown_time;
1223         char datestr[128];
1224         char timestr[128];
1225
1226         gettimeofday(&tv, NULL);
1227
1228         brokendown_time = localtime(&tv.tv_sec);
1229         if (brokendown_time == NULL) {
1230                 snprintf(buf, len, "%s", "[(NULL)localtime] ");
1231                 return buf;
1232         }
1233
1234         memset(datestr, 0, sizeof(datestr));
1235         if (brokendown_time->tm_mday != cached_tm_mday) {
1236                 strftime(datestr, sizeof(datestr), "Date: %Y-%m-%d %Z\n",
1237                                 brokendown_time);
1238                 cached_tm_mday = brokendown_time->tm_mday;
1239         }
1240
1241         strftime(timestr, sizeof(timestr), "%H:%M:%S", brokendown_time);
1242         /* if datestr is empty it prints only timestr*/
1243         snprintf(buf, len, "%s[%s.%03li]", datestr,
1244                         timestr, (tv.tv_usec / 1000));
1245
1246         return buf;
1247 }
1248
1249 static void
1250 custom_handler(const char *fmt, va_list arg)
1251 {
1252         char timestr[512];
1253
1254         weston_log_scope_printf(log_scope, "%s libwayland: ",
1255                         log_timestamp(timestr, sizeof(timestr)));
1256         weston_log_scope_vprintf(log_scope, fmt, arg);
1257 }
1258
1259 static void
1260 log_file_open(const char *filename)
1261 {
1262         wl_log_set_handler_server(custom_handler);
1263
1264         if (filename)
1265                 logfile = fopen(filename, "a");
1266
1267         if (!logfile) {
1268                 logfile = stderr;
1269         } else {
1270                 os_fd_set_cloexec(fileno(logfile));
1271                 setvbuf(logfile, NULL, _IOLBF, 256);
1272         }
1273 }
1274
1275 static void
1276 log_file_close(void)
1277 {
1278         if (logfile && logfile != stderr)
1279                 fclose(logfile);
1280         logfile = stderr;
1281 }
1282
1283 static int
1284 vlog(const char *fmt, va_list ap)
1285 {
1286         const char *oom = "Out of memory";
1287         char timestr[128];
1288         int len = 0;
1289         char *str;
1290
1291         if (weston_log_scope_is_enabled(log_scope)) {
1292                 int len_va;
1293                 char *xlog_timestamp = log_timestamp(timestr, sizeof(timestr));
1294                 len_va = vasprintf(&str, fmt, ap);
1295                 if (len_va >= 0) {
1296                         len = weston_log_scope_printf(log_scope, "%s %s",
1297                                         xlog_timestamp, str);
1298                         free(str);
1299                 } else {
1300                         len = weston_log_scope_printf(log_scope, "%s %s",
1301                                         xlog_timestamp, oom);
1302                 }
1303         }
1304
1305         return len;
1306 }
1307
1308
1309 static int
1310 vlog_continue(const char *fmt, va_list ap)
1311 {
1312         return weston_log_scope_vprintf(log_scope, fmt, ap);
1313 }
1314
1315 static int
1316 on_term_signal(int signo, void *data)
1317 {
1318         struct wl_display *display = data;
1319
1320         weston_log("caught signal %d\n", signo);
1321         wl_display_terminate(display);
1322
1323         return 1;
1324 }
1325
1326 static void
1327 handle_exit(struct weston_compositor *compositor)
1328 {
1329         wl_display_terminate(compositor->wl_display);
1330 }
1331
1332 static void
1333 usage(int error_code)
1334 {
1335         FILE *out = error_code == EXIT_SUCCESS ? stdout : stderr;
1336         fprintf(out,
1337                 "Usage: agl-compositor [OPTIONS]\n"
1338                 "\n"
1339                 "This is " PACKAGE_STRING ", the reference compositor for\n"
1340                 "Automotive Grade Linux. Weston-ivi supports multiple backends, and depending\n"
1341                 "on which backend is in use different options will be accepted.\n"
1342                 "\n"
1343                 "Core options:\n"
1344                 "\n"
1345                 "  --version\t\tPrint agl-compositor version\n"
1346                 "  -B, --backend=MODULE\tBackend module, one of\n"
1347                         "\t\t\t\tdrm-backend.so\n"
1348                         "\t\t\t\twayland-backend.so\n"
1349                         "\t\t\t\tx11-backend.so\n"
1350                 "  -S, --socket=NAME\tName of socket to listen on\n"
1351                 "  --log=FILE\t\tLog to the given file\n"
1352                 "  -c, --config=FILE\tConfig file to load, defaults to agl-compositor.ini\n"
1353                 "  --no-config\t\tDo not read agl-compositor.ini\n"
1354                 "  --debug\t\tEnable debug extension(s)\n"
1355                 "  -h, --help\t\tThis help message\n"
1356                 "\n");
1357         exit(error_code);
1358 }
1359
1360 int main(int argc, char *argv[])
1361 {
1362         struct ivi_compositor ivi = { 0 };
1363         struct wl_display *display = NULL;
1364         struct wl_event_loop *loop;
1365         struct wl_event_source *signals[3] = { 0 };
1366         struct weston_config_section *section;
1367         /* Command line options */
1368         char *backend = NULL;
1369         char *socket_name = NULL;
1370         char *log = NULL;
1371         int help = 0;
1372         int version = 0;
1373         int no_config = 0;
1374         int debug = 0;
1375         char *config_file = NULL;
1376         struct weston_log_context *log_ctx = NULL;
1377         struct weston_log_subscriber *logger;
1378         int ret = EXIT_FAILURE;
1379
1380         const struct weston_option core_options[] = {
1381                 { WESTON_OPTION_STRING, "backend", 'B', &backend },
1382                 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
1383                 { WESTON_OPTION_STRING, "log", 0, &log },
1384                 { WESTON_OPTION_BOOLEAN, "help", 'h', &help },
1385                 { WESTON_OPTION_BOOLEAN, "version", 0, &version },
1386                 { WESTON_OPTION_BOOLEAN, "no-config", 0, &no_config },
1387                 { WESTON_OPTION_BOOLEAN, "debug", 0, &debug },
1388                 { WESTON_OPTION_STRING, "config", 'c', &config_file },
1389         };
1390
1391         wl_list_init(&ivi.outputs);
1392         wl_list_init(&ivi.surfaces);
1393         wl_list_init(&ivi.pending_surfaces);
1394         wl_list_init(&ivi.popup_pending_apps);
1395         wl_list_init(&ivi.fullscreen_pending_apps);
1396         wl_list_init(&ivi.split_pending_apps);
1397         wl_list_init(&ivi.remote_pending_apps);
1398         wl_list_init(&ivi.desktop_clients);
1399
1400         /* Prevent any clients we spawn getting our stdin */
1401         os_fd_set_cloexec(STDIN_FILENO);
1402
1403         parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv);
1404
1405         if (help)
1406                 usage(EXIT_SUCCESS);
1407
1408         if (version) {
1409                 printf(PACKAGE_STRING "\n");
1410                 return EXIT_SUCCESS;
1411         }
1412
1413         log_ctx = weston_log_ctx_compositor_create();
1414         if (!log_ctx) {
1415                 fprintf(stderr, "Failed to initialize weston debug framework.\n");
1416                 return ret;
1417         }
1418
1419         log_scope = weston_compositor_add_log_scope(log_ctx, "log",
1420                                                     "agl-compositor log\n",
1421                                                     NULL, NULL, NULL);
1422
1423         log_file_open(log);
1424         weston_log_set_handler(vlog, vlog_continue);
1425
1426         logger = weston_log_subscriber_create_log(logfile);
1427         weston_log_subscribe(log_ctx, logger, "log");
1428
1429         if (load_config(&ivi.config, no_config, config_file) < 0)
1430                 goto error_signals;
1431         section = weston_config_get_section(ivi.config, "core", NULL, NULL);
1432         if (!backend) {
1433                 weston_config_section_get_string(section, "backend", &backend,
1434                                                  NULL);
1435                 if (!backend)
1436                         backend = choose_default_backend();
1437         }
1438         /* from [core] */
1439         weston_config_section_get_bool(section, "hide-cursor", &ivi.hide_cursor, false);
1440
1441         display = wl_display_create();
1442         loop = wl_display_get_event_loop(display);
1443
1444         wl_display_set_global_filter(display,
1445                                      global_filter, &ivi);
1446
1447         /* Register signal handlers so we shut down cleanly */
1448
1449         signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
1450                                               display);
1451         signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
1452                                               display);
1453         signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
1454                                               display);
1455
1456         for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1457                 if (!signals[i])
1458                         goto error_signals;
1459
1460         ivi.compositor = weston_compositor_create(display, log_ctx, &ivi);
1461         if (!ivi.compositor) {
1462                 weston_log("fatal: failed to create compositor.\n");
1463                 goto error_signals;
1464         }
1465
1466         if (compositor_init_config(ivi.compositor, ivi.config) < 0)
1467                 goto error_compositor;
1468
1469         if (load_backend(&ivi, backend, &argc, argv) < 0) {
1470                 weston_log("fatal: failed to create compositor backend.\n");
1471                 goto error_compositor;
1472         }
1473
1474         ivi.heads_changed.notify = heads_changed;
1475         weston_compositor_add_heads_changed_listener(ivi.compositor,
1476                                                      &ivi.heads_changed);
1477
1478         if (ivi_desktop_init(&ivi) < 0)
1479                 goto error_compositor;
1480
1481         ivi_seat_init(&ivi);
1482
1483         if (ivi_policy_init(&ivi) < 0)
1484                 goto error_compositor;
1485
1486         if (ivi_shell_init(&ivi) < 0)
1487                 goto error_compositor;
1488
1489         add_bindings(ivi.compositor);
1490
1491         weston_compositor_flush_heads_changed(ivi.compositor);
1492
1493         if (ivi.remoting_api)
1494                 ivi_enable_remote_outputs(&ivi);
1495
1496         if (create_listening_socket(display, socket_name) < 0)
1497                 goto error_compositor;
1498
1499         ivi_shell_init_black_fs(&ivi);
1500
1501         ivi.compositor->exit = handle_exit;
1502
1503         weston_compositor_wake(ivi.compositor);
1504
1505         ivi_shell_create_global(&ivi);
1506         ivi_launch_shell_client(&ivi);
1507         if (debug)
1508                 ivi_screenshooter_create(&ivi);
1509         ivi_agl_systemd_notify(&ivi);
1510
1511         wl_display_run(display);
1512
1513         ret = ivi.compositor->exit_code;
1514
1515         wl_display_destroy_clients(display);
1516
1517 error_compositor:
1518         weston_compositor_tear_down(ivi.compositor);
1519
1520         weston_compositor_log_scope_destroy(log_scope);
1521         log_scope = NULL;
1522
1523         weston_log_ctx_compositor_destroy(ivi.compositor);
1524         weston_compositor_destroy(ivi.compositor);
1525
1526         weston_log_subscriber_destroy_log(logger);
1527
1528         ivi_policy_destroy(ivi.policy);
1529
1530 error_signals:
1531         for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1532                 if (signals[i])
1533                         wl_event_source_remove(signals[i]);
1534
1535         wl_display_destroy(display);
1536
1537         log_file_close();
1538         if (ivi.config)
1539                 weston_config_destroy(ivi.config);
1540
1541         return ret;
1542 }