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 #ifdef HAVE_WALTHAM
  61 #include <waltham-transmitter/transmitter_api.h>
  62 #endif
  63
  64 static int cached_tm_mday = -1;
  65 static struct weston_log_scope *log_scope;
  66
  67 struct ivi_compositor *
  68 to_ivi_compositor(struct weston_compositor *ec)
  69 {
  70         return weston_compositor_get_user_data(ec);
  71 }
  72
  73 static void
  74 handle_output_destroy(struct wl_listener *listener, void *data)
  75 {
  76         struct ivi_output *output;
  77
  78         output = wl_container_of(listener, output, output_destroy);
  79         assert(output->output == data);
  80
  81         output->output = NULL;
  82         wl_list_remove(&output->output_destroy.link);
  83 }
  84
  85 struct ivi_output *
  86 to_ivi_output(struct weston_output *o)
  87 {
  88         struct wl_listener *listener;
  89         struct ivi_output *output;
  90
  91         listener = weston_output_get_destroy_listener(o, handle_output_destroy);
  92         output = wl_container_of(listener, output, output_destroy);
  93
  94         return output;
  95 }
  96
  97 static void
  98 ivi_output_configure_app_id(struct ivi_output *ivi_output)
  99 {
 100         if (ivi_output->config) {
 101                 if (ivi_output->app_id != NULL)
 102                         return;
 103
 104                 weston_config_section_get_string(ivi_output->config,
 105                                                  "agl-shell-app-id",
 106                                                  &ivi_output->app_id,
 107                                                  NULL);
 108
 109                 if (ivi_output->app_id == NULL)
 110                         return;
 111
 112                 weston_log("Will place app_id %s on output %s\n",
 113                                 ivi_output->app_id, ivi_output->name);
 114         }
 115 }
 116
 117 static struct ivi_output *
 118 ivi_ensure_output(struct ivi_compositor *ivi, char *name,
 119                   struct weston_config_section *config)
 120 {
 121         struct ivi_output *output = NULL;
 122         wl_list_for_each(output, &ivi->outputs, link) {
 123                 if (strcmp(output->name, name) == 0) {
 124                         free(name);
 125                         return output;
 126                 }
 127         }
 128
 129         output = zalloc(sizeof *output);
 130         if (!output) {
 131                 free(name);
 132                 return NULL;
 133         }
 134
 135         output->ivi = ivi;
 136         output->name = name;
 137         output->config = config;
 138
 139         output->output = weston_compositor_create_output(ivi->compositor, name);
 140         if (!output->output) {
 141                 free(output->name);
 142                 free(output);
 143                 return NULL;
 144         }
 145
 146         output->output_destroy.notify = handle_output_destroy;
 147         weston_output_add_destroy_listener(output->output,
 148                                            &output->output_destroy);
 149
 150         wl_list_insert(&ivi->outputs, &output->link);
 151         ivi_output_configure_app_id(output);
 152         return output;
 153 }
 154
 155 static int
 156 count_heads(struct weston_output *output)
 157 {
 158         struct weston_head *iter = NULL;
 159         int n = 0;
 160
 161         while ((iter = weston_output_iterate_heads(output, iter)))
 162                 ++n;
 163
 164         return n;
 165 }
 166
 167 static void
 168 handle_head_destroy(struct wl_listener *listener, void *data)
 169 {
 170         struct weston_head *head = data;
 171         struct weston_output *output;
 172
 173         wl_list_remove(&listener->link);
 174         free(listener);
 175
 176         output = weston_head_get_output(head);
 177
 178         /* On shutdown path, the output might be already gone. */
 179         if (!output)
 180                 return;
 181
 182         /* We're the last head */
 183         if (count_heads(output) <= 1)
 184                 weston_output_destroy(output);
 185 }
 186
 187 static void
 188 add_head_destroyed_listener(struct weston_head *head)
 189 {
 190         /* We already have a destroy listener */
 191         if (weston_head_get_destroy_listener(head, handle_head_destroy))
 192                 return;
 193
 194         struct wl_listener *listener = zalloc(sizeof *listener);
 195         if (!listener)
 196                 return;
 197
 198         listener->notify = handle_head_destroy;
 199         weston_head_add_destroy_listener(head, listener);
 200 }
 201
 202 static int
 203 drm_configure_output(struct ivi_output *output)
 204 {
 205         struct ivi_compositor *ivi = output->ivi;
 206         struct weston_config_section *section = output->config;
 207         enum weston_drm_backend_output_mode mode =
 208                 WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
 209         char *modeline = NULL;
 210         char *gbm_format = NULL;
 211         char *seat = NULL;
 212
 213         if (section) {
 214                 char *m;
 215                 weston_config_section_get_string(section, "mode", &m, "preferred");
 216
 217                 /* This should have been handled earlier */
 218                 assert(strcmp(m, "off") != 0);
 219
 220                 if (ivi->cmdline.use_current_mode || strcmp(m, "current") == 0) {
 221                         mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
 222                 } else if (strcmp(m, "preferred") != 0) {
 223                         modeline = m;
 224                         m = NULL;
 225                 }
 226                 free(m);
 227
 228                 weston_config_section_get_string(section, "gbm-format",
 229                                                  &gbm_format, NULL);
 230
 231                 weston_config_section_get_string(section, "seat", &seat, "");
 232         }
 233
 234         if (ivi->drm_api->set_mode(output->output, mode, modeline) < 0) {
 235                 weston_log("Cannot configure output using weston_drm_output_api.\n");
 236                 free(modeline);
 237                 return -1;
 238         }
 239         free(modeline);
 240
 241         ivi->drm_api->set_gbm_format(output->output, gbm_format);
 242         free(gbm_format);
 243
 244         ivi->drm_api->set_seat(output->output, seat);
 245         free(seat);
 246
 247         return 0;
 248 }
 249
 250 #define WINDOWED_DEFAULT_WIDTH 1024
 251 #define WINDOWED_DEFAULT_HEIGHT 768
 252
 253 static int
 254 windowed_configure_output(struct ivi_output *output)
 255 {
 256         struct ivi_compositor *ivi = output->ivi;
 257         struct weston_config_section *section = output->config;
 258         int width = WINDOWED_DEFAULT_WIDTH;
 259         int height = WINDOWED_DEFAULT_HEIGHT;
 260
 261         if (section) {
 262                 char *mode;
 263
 264                 weston_config_section_get_string(section, "mode", &mode, NULL);
 265                 if (!mode || sscanf(mode, "%dx%d", &width, &height) != 2) {
 266                         weston_log("Invalid mode for output %s. Using defaults.\n",
 267                                    output->name);
 268                         width = WINDOWED_DEFAULT_WIDTH;
 269                         height = WINDOWED_DEFAULT_HEIGHT;
 270                 }
 271                 free(mode);
 272         }
 273
 274         if (ivi->cmdline.width)
 275                 width = ivi->cmdline.width;
 276         if (ivi->cmdline.height)
 277                 height = ivi->cmdline.height;
 278         if (ivi->cmdline.scale)
 279                 weston_output_set_scale(output->output, ivi->cmdline.scale);
 280
 281         if (ivi->window_api->output_set_size(output->output, width, height) < 0) {
 282                 weston_log("Cannot configure output '%s' using weston_windowed_output_api.\n",
 283                            output->name);
 284                 return -1;
 285         }
 286
 287         return 0;
 288 }
 289
 290 static int
 291 parse_transform(const char *transform, uint32_t *out)
 292 {
 293         static const struct { const char *name; uint32_t token; } transforms[] = {
 294                 { "normal",     WL_OUTPUT_TRANSFORM_NORMAL },
 295                 { "90",         WL_OUTPUT_TRANSFORM_90 },
 296                 { "180",        WL_OUTPUT_TRANSFORM_180 },
 297                 { "270",        WL_OUTPUT_TRANSFORM_270 },
 298                 { "flipped",    WL_OUTPUT_TRANSFORM_FLIPPED },
 299                 { "flipped-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 },
 300                 { "flipped-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
 301                 { "flipped-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
 302         };
 303
 304         for (size_t i = 0; i < ARRAY_LENGTH(transforms); i++)
 305                 if (strcmp(transforms[i].name, transform) == 0) {
 306                         *out = transforms[i].token;
 307                         return 0;
 308                 }
 309
 310         *out = WL_OUTPUT_TRANSFORM_NORMAL;
 311         return -1;
 312 }
 313
 314 static int
 315 configure_output(struct ivi_output *output)
 316 {
 317         struct ivi_compositor *ivi = output->ivi;
 318         struct weston_config_section *section = output->config;
 319         int32_t scale = 1;
 320         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
 321
 322         /*
 323          * This can happen with the wayland backend with 'sprawl'. The config
 324          * is hard-coded, so we don't need to do anything.
 325          */
 326         if (!ivi->drm_api && !ivi->window_api)
 327                 return 0;
 328
 329         if (section) {
 330                 char *t;
 331
 332                 weston_config_section_get_int(section, "scale", &scale, 1);
 333                 weston_config_section_get_string(section, "transform", &t, "normal");
 334                 if (parse_transform(t, &transform) < 0)
 335                         weston_log("Invalid transform \"%s\" for output %s\n",
 336                                    t, output->name);
 337                 free(t);
 338         }
 339
 340         weston_output_set_scale(output->output, scale);
 341         weston_output_set_transform(output->output, transform);
 342
 343         if (ivi->drm_api)
 344                 return drm_configure_output(output);
 345         else
 346                 return windowed_configure_output(output);
 347 }
 348
 349 /*
 350  * Reorgainizes the output's add array into two sections.
 351  * add[0..ret-1] are the heads that failed to get attached.
 352  * add[ret..add_len] are the heads that were successfully attached.
 353  *
 354  * The order between elements in each section is stable.
 355  */
 356 static size_t
 357 try_attach_heads(struct ivi_output *output)
 358 {
 359         size_t fail_len = 0;
 360
 361         for (size_t i = 0; i < output->add_len; ++i) {
 362                 if (weston_output_attach_head(output->output, output->add[i]) < 0) {
 363                         struct weston_head *tmp = output->add[i];
 364                         memmove(&output->add[fail_len + 1], output->add[fail_len],
 365                                 sizeof output->add[0] * (i - fail_len));
 366                         output->add[fail_len++] = tmp;
 367                 }
 368         }
 369
 370         return fail_len;
 371 }
 372
 373 /*
 374  * Like try_attach_heads, this reorganizes the output's add array into a failed
 375  * and successful section.
 376  * i is the number of heads that already failed the previous step.
 377  */
 378 static size_t
 379 try_enable_output(struct ivi_output *output, size_t i)
 380 {
 381         for (; i < output->add_len; ++i) {
 382                 struct weston_head *head;
 383
 384                 if (weston_output_enable(output->output) == 0)
 385                         break;
 386
 387                 head = output->add[output->add_len - 1];
 388                 memmove(&output->add[i + 1], &output->add[i],
 389                         sizeof output->add[0] * (output->add_len - i));
 390                 output->add[i] = head;
 391
 392                 weston_head_detach(head);
 393         }
 394
 395         return i;
 396 }
 397
 398 static int
 399 try_attach_enable_heads(struct ivi_output *output)
 400 {
 401         size_t fail_len;
 402         assert(!output->output->enabled);
 403
 404         fail_len = try_attach_heads(output);
 405
 406         if (configure_output(output) < 0)
 407                 return -1;
 408
 409         fail_len = try_enable_output(output, fail_len);
 410
 411         /* All heads failed to be attached */
 412         if (fail_len == output->add_len)
 413                 return -1;
 414
 415         /* For each successful head attached */
 416         for (size_t i = fail_len; i < output->add_len; ++i)
 417                 add_head_destroyed_listener(output->add[i]);
 418
 419         output->add_len = fail_len;
 420         return 0;
 421 }
 422
 423 static int
 424 process_output(struct ivi_output *output)
 425 {
 426         if (output->output->enabled) {
 427                 output->add_len = try_attach_heads(output);
 428                 return output->add_len == 0 ? 0 : -1;
 429         }
 430
 431         return try_attach_enable_heads(output);
 432 }
 433
 434 static void
 435 head_disable(struct ivi_compositor *ivi, struct weston_head *head)
 436 {
 437         struct weston_output *output;
 438         struct ivi_output *ivi_output;
 439         struct wl_listener *listener;
 440
 441         output = weston_head_get_output(head);
 442         assert(output);
 443
 444         listener = weston_output_get_destroy_listener(output,
 445                                                       handle_output_destroy);
 446         assert(listener);
 447
 448         ivi_output = wl_container_of(listener, ivi_output, output_destroy);
 449         assert(ivi_output->output == output);
 450
 451         weston_head_detach(head);
 452         if (count_heads(ivi_output->output) == 0) {
 453                 weston_output_disable(ivi_output->output);
 454         }
 455 }
 456
 457 static struct weston_config_section *
 458 find_controlling_output_config(struct weston_config *config,
 459                                const char *name)
 460 {
 461         struct weston_config_section *section;
 462         char *same_as;
 463         int depth = 0;
 464
 465         same_as = strdup(name);
 466         do {
 467                 section = weston_config_get_section(config, "output",
 468                                                     "name", same_as);
 469                 if (!section && depth > 0)
 470                         weston_log("Configuration error: output section reffered"
 471                                    "to by same-as=%s not found.\n", same_as);
 472                 free(same_as);
 473
 474                 if (!section)
 475                         return NULL;
 476
 477                 if (depth++ > 8) {
 478                         weston_log("Configuration error: same-as nested too "
 479                                    "deep for output '%s'.\n", name);
 480                         return NULL;
 481                 }
 482
 483                 weston_config_section_get_string(section, "same-as",
 484                                                  &same_as, NULL);
 485         } while (same_as);
 486
 487         return section;
 488 }
 489
 490 static void
 491 head_prepare_enable(struct ivi_compositor *ivi, struct weston_head *head)
 492 {
 493         const char *name = weston_head_get_name(head);
 494         struct weston_config_section *section;
 495         struct ivi_output *output;
 496         char *output_name = NULL;
 497
 498         section = find_controlling_output_config(ivi->config, name);
 499         if (section) {
 500                 char *mode;
 501
 502                 weston_config_section_get_string(section, "mode", &mode, NULL);
 503                 if (mode && strcmp(mode, "off") == 0) {
 504                         free(mode);
 505                         return;
 506                 }
 507                 free(mode);
 508
 509                 weston_config_section_get_string(section, "name",
 510                                                  &output_name, NULL);
 511         } else {
 512                 output_name = strdup(name);
 513         }
 514
 515         if (!output_name)
 516                 return;
 517
 518         output = ivi_ensure_output(ivi, output_name, section);
 519         if (!output)
 520                 return;
 521
 522         if (output->add_len >= ARRAY_LENGTH(output->add))
 523                 return;
 524
 525         output->add[output->add_len++] = head;
 526 }
 527
 528 static void
 529 heads_changed(struct wl_listener *listener, void *arg)
 530 {
 531         struct weston_compositor *compositor = arg;
 532         struct weston_head *head = NULL;
 533         struct ivi_compositor *ivi = to_ivi_compositor(compositor);
 534         struct ivi_output *output;
 535
 536         while ((head = weston_compositor_iterate_heads(ivi->compositor, head))) {
 537                 bool connected = weston_head_is_connected(head);
 538                 bool enabled = weston_head_is_enabled(head);
 539                 bool changed = weston_head_is_device_changed(head);
 540                 bool non_desktop = weston_head_is_non_desktop(head);
 541
 542                 if (connected && !enabled && !non_desktop)
 543                         head_prepare_enable(ivi, head);
 544                 else if (!connected && enabled)
 545                         head_disable(ivi, head);
 546                 else if (enabled && changed)
 547                         weston_log("Detected a monitor change on head '%s', "
 548                                    "not bothering to do anything about it.\n",
 549                                    weston_head_get_name(head));
 550
 551                 weston_head_reset_device_changed(head);
 552         }
 553
 554         wl_list_for_each(output, &ivi->outputs, link) {
 555                 if (output->add_len == 0)
 556                         continue;
 557
 558                 if (process_output(output) < 0) {
 559                         output->add_len = 0;
 560                         ivi->init_failed = true;
 561                 }
 562         }
 563 }
 564
 565 #ifdef HAVE_WALTHAM
 566 static int
 567 load_waltham_plugin(struct ivi_compositor *ivi, struct weston_config *config)
 568 {
 569         struct weston_compositor *compositor = ivi->compositor;
 570         int (*module_init)(struct weston_compositor *wc);
 571
 572         module_init = weston_load_module("waltham-transmitter.so",
 573                                          "wet_module_init");
 574         if (!module_init)
 575                 return -1;
 576
 577         if (module_init(compositor) < 0)
 578                 return -1;
 579
 580         ivi->waltham_transmitter_api = weston_get_transmitter_api(compositor);
 581         if (!ivi->waltham_transmitter_api) {
 582                 weston_log("Failed to load waltham-transmitter plugin.\n");
 583                 return -1;
 584         }
 585
 586         weston_log("waltham-transmitter plug-in loaded\n");
 587         return 0;
 588 }
 589 #else
 590 static int
 591 load_waltham_plugin(struct ivi_compositor *ivi, struct weston_config *config)
 592 {
 593         return -1;
 594 }
 595 #endif
 596
 597 #ifdef HAVE_REMOTING
 598 static int
 599 drm_backend_remoted_output_configure(struct weston_output *output,
 600                                      struct weston_config_section *section,
 601                                      char *modeline,
 602                                      const struct weston_remoting_api *api)
 603 {
 604         char *gbm_format = NULL;
 605         char *seat = NULL;
 606         char *host = NULL;
 607         char *pipeline = NULL;
 608         int port, ret;
 609         int32_t scale = 1;
 610         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
 611         char *trans;
 612
 613         ret = api->set_mode(output, modeline);
 614         if (ret < 0) {
 615                 weston_log("Cannot configure an output \"%s\" using "
 616                                 "weston_remoting_api. Invalid mode\n",
 617                                 output->name);
 618                 return -1;
 619         }
 620
 621         weston_config_section_get_int(section, "scale", &scale, 1);
 622         weston_output_set_scale(output, scale);
 623
 624         weston_config_section_get_string(section, "transform", &trans, "normal");
 625         if (parse_transform(trans, &transform) < 0) {
 626                 weston_log("Invalid transform \"%s\" for output %s\n",
 627                            trans, output->name);
 628         }
 629         weston_output_set_transform(output, transform);
 630
 631         weston_config_section_get_string(section, "gbm-format",
 632                                          &gbm_format, NULL);
 633         api->set_gbm_format(output, gbm_format);
 634         free(gbm_format);
 635
 636         weston_config_section_get_string(section, "seat", &seat, "");
 637
 638         api->set_seat(output, seat);
 639         free(seat);
 640
 641         weston_config_section_get_string(section, "gst-pipeline", &pipeline,
 642                         NULL);
 643         if (pipeline) {
 644                 api->set_gst_pipeline(output, pipeline);
 645                 free(pipeline);
 646                 return 0;
 647         }
 648
 649         weston_config_section_get_string(section, "host", &host, NULL);
 650         weston_config_section_get_int(section, "port", &port, 0);
 651         if (!host || port <= 0 || 65533 < port) {
 652                 weston_log("Cannot configure an output \"%s\". "
 653                                 "Need to specify gst-pipeline or "
 654                                 "host and port (1-65533).\n", output->name);
 655         }
 656         api->set_host(output, host);
 657         free(host);
 658         api->set_port(output, port);
 659
 660         return 0;
 661 }
 662
 663
 664 static int
 665 remote_output_init(struct ivi_output *ivi_output,
 666                    struct weston_compositor *compositor,
 667                    struct weston_config_section *section,
 668                    const struct weston_remoting_api *api)
 669 {
 670         char *output_name, *modeline = NULL;
 671         int ret = -1;
 672
 673         weston_config_section_get_string(section, "name", &output_name, NULL);
 674         if (!output_name)
 675                 return ret;
 676
 677         weston_config_section_get_string(section, "mode", &modeline, "off");
 678         if (strcmp(modeline, "off") == 0)
 679                 goto err;
 680
 681         ivi_output->output = api->create_output(compositor, output_name);
 682         if (!ivi_output->output) {
 683                 weston_log("Cannot create remoted output \"%s\".\n",
 684                                 output_name);
 685                 goto err;
 686         }
 687
 688         ret = drm_backend_remoted_output_configure(ivi_output->output, section,
 689                                                    modeline, api);
 690         if (ret < 0) {
 691                 weston_log("Cannot configure remoted output \"%s\".\n",
 692                                 output_name);
 693                 goto err;
 694         }
 695
 696         if (weston_output_enable(ivi_output->output) < 0) {
 697                 weston_log("Enabling remoted output \"%s\" failed.\n",
 698                                 output_name);
 699                 goto err;
 700         }
 701
 702         free(modeline);
 703         free(output_name);
 704         weston_log("remoted output '%s' enabled\n", ivi_output->output->name);
 705
 706         return 0;
 707
 708 err:
 709         free(modeline);
 710         free(output_name);
 711         if (ivi_output->output)
 712                 weston_output_destroy(ivi_output->output);
 713
 714         return ret;
 715 }
 716
 717 static void
 718 ivi_enable_remote_outputs(struct ivi_compositor *ivi)
 719 {
 720         struct weston_config_section *remote_section = NULL;
 721         const char *section_name;
 722         struct weston_config *config = ivi->config;
 723
 724         while (weston_config_next_section(config, &remote_section, &section_name)) {
 725                 if (strcmp(section_name, "remote-output"))
 726                         continue;
 727
 728                 struct ivi_output *ivi_output = NULL;
 729                 bool output_found = false;
 730                 char *_name = NULL;
 731
 732                 weston_config_section_get_string(remote_section,
 733                                                  "name", &_name, NULL);
 734                 wl_list_for_each(ivi_output, &ivi->outputs, link) {
 735                         if (!strcmp(ivi_output->name, _name)) {
 736                                 output_found = true;
 737                                 break;
 738                         }
 739                 }
 740
 741                 if (output_found) {
 742                         free(_name);
 743                         continue;
 744                 }
 745
 746                 ivi_output = zalloc(sizeof(*ivi_output));
 747
 748                 ivi_output->ivi = ivi;
 749                 ivi_output->name = _name;
 750                 ivi_output->config = remote_section;
 751                 ivi_output->type = OUTPUT_REMOTE;
 752
 753                 if (remote_output_init(ivi_output, ivi->compositor,
 754                                        remote_section, ivi->remoting_api)) {
 755                         free(ivi_output->name);
 756                         free(ivi_output);
 757                         continue;
 758                 }
 759
 760                 ivi_output->output_destroy.notify = handle_output_destroy;
 761                 weston_output_add_destroy_listener(ivi_output->output,
 762                                                    &ivi_output->output_destroy);
 763
 764                 wl_list_insert(&ivi->outputs, &ivi_output->link);
 765                 ivi_output_configure_app_id(ivi_output);
 766         }
 767 }
 768
 769 static void
 770 ivi_enable_waltham_outputs(struct ivi_compositor *ivi)
 771 {
 772         struct weston_config_section *transmitter_section = NULL;
 773         const char *sect_name;
 774         struct weston_config *config = ivi->config;
 775
 776         while (weston_config_next_section(config, &transmitter_section, &sect_name)) {
 777                 if (strcmp(sect_name, "transmitter-output"))
 778                         continue;
 779
 780                 struct ivi_output *ivi_output = NULL;
 781                 bool output_found = false;
 782                 char *_name = NULL;
 783
 784                 weston_config_section_get_string(transmitter_section,
 785                                 "name", &_name, NULL);
 786                 wl_list_for_each(ivi_output, &ivi->outputs, link) {
 787                         if (!strcmp(ivi_output->name, _name)) {
 788                                 output_found = true;
 789                                 break;
 790                         }
 791                 }
 792
 793                 if (output_found) {
 794                         free(_name);
 795                         continue;
 796                 }
 797
 798                 ivi_output = zalloc(sizeof(*ivi_output));
 799
 800                 ivi_output->ivi = ivi;
 801                 ivi_output->name = _name;
 802                 ivi_output->config = transmitter_section;
 803
 804                 if (remote_output_init(ivi_output, ivi->compositor,
 805                                         transmitter_section, ivi->remoting_api)) {
 806                         free(ivi_output->name);
 807                         free(ivi_output);
 808                         continue;
 809                 }
 810
 811                 ivi_output->type = OUTPUT_WALTHAM;
 812                 ivi_output->output_destroy.notify = handle_output_destroy;
 813                 weston_output_add_destroy_listener(ivi_output->output,
 814                                 &ivi_output->output_destroy);
 815
 816                 wl_list_insert(&ivi->outputs, &ivi_output->link);
 817                 ivi_output_configure_app_id(ivi_output);
 818         }
 819 }
 820
 821 static int
 822 load_remoting_plugin(struct ivi_compositor *ivi, struct weston_config *config)
 823 {
 824         struct weston_compositor *compositor = ivi->compositor;
 825         int (*module_init)(struct weston_compositor *wc);
 826
 827         module_init = weston_load_module("remoting-plugin.so",
 828                                          "weston_module_init");
 829         if (!module_init)
 830                 return -1;
 831
 832         if (module_init(compositor) < 0)
 833                 return -1;
 834
 835         ivi->remoting_api = weston_remoting_get_api(compositor);
 836         if (!ivi->remoting_api)
 837                 return -1;
 838         return 0;
 839 }
 840 #else
 841 static int
 842 load_remoting_plugin(struct weston_compositor *compositor, struct weston_config *config)
 843 {
 844         return -1;
 845 }
 846 #endif
 847
 848 static int
 849 load_drm_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
 850 {
 851         struct weston_drm_backend_config config = {
 852                 .base = {
 853                         .struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION,
 854                         .struct_size = sizeof config,
 855                 },
 856         };
 857         struct weston_config_section *section;
 858         int use_current_mode = 0;
 859         int use_pixman = 0;
 860         bool use_shadow;
 861         int ret;
 862
 863         const struct weston_option options[] = {
 864                 { WESTON_OPTION_STRING, "seat", 0, &config.seat_id },
 865                 { WESTON_OPTION_INTEGER, "tty", 0, &config.tty },
 866                 { WESTON_OPTION_STRING, "drm-device", 0, &config.specific_device },
 867                 { WESTON_OPTION_BOOLEAN, "current-mode", 0, &use_current_mode },
 868                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
 869         };
 870
 871         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 872         config.use_pixman = use_pixman;
 873         ivi->cmdline.use_current_mode = use_current_mode;
 874
 875         section = weston_config_get_section(ivi->config, "core", NULL, NULL);
 876         weston_config_section_get_string(section, "gbm-format",
 877                                          &config.gbm_format, NULL);
 878         weston_config_section_get_uint(section, "pageflip-timeout",
 879                                        &config.pageflip_timeout, 0);
 880         weston_config_section_get_bool(section, "pixman-shadow", &use_shadow, 1);
 881         config.use_pixman_shadow = use_shadow;
 882
 883         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_DRM,
 884                                              &config.base);
 885         if (ret < 0)
 886                 return ret;
 887
 888         ivi->drm_api = weston_drm_output_get_api(ivi->compositor);
 889         if (!ivi->drm_api) {
 890                 weston_log("Cannot use drm output api.\n");
 891                 ret = -1;
 892                 goto error;
 893         }
 894
 895         load_remoting_plugin(ivi, ivi->config);
 896         load_waltham_plugin(ivi, ivi->config);
 897
 898 error:
 899         free(config.gbm_format);
 900         free(config.seat_id);
 901         return ret;
 902 }
 903
 904 static void
 905 windowed_parse_common_options(struct ivi_compositor *ivi, int *argc, char *argv[],
 906                               bool *use_pixman, bool *fullscreen, int *output_count)
 907 {
 908         struct weston_config_section *section;
 909         bool pixman;
 910         int fs = 0;
 911
 912         const struct weston_option options[] = {
 913                 { WESTON_OPTION_INTEGER, "width", 0, &ivi->cmdline.width },
 914                 { WESTON_OPTION_INTEGER, "height", 0, &ivi->cmdline.height },
 915                 { WESTON_OPTION_INTEGER, "scale", 0, &ivi->cmdline.scale },
 916                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &pixman },
 917                 { WESTON_OPTION_BOOLEAN, "fullscreen", 0, &fs },
 918                 { WESTON_OPTION_INTEGER, "output-count", 0, output_count },
 919         };
 920
 921         section = weston_config_get_section(ivi->config, "core", NULL, NULL);
 922         weston_config_section_get_bool(section, "use-pixman", &pixman, 0);
 923
 924         *output_count = 1;
 925         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 926         *use_pixman = pixman;
 927         *fullscreen = fs;
 928 }
 929
 930 static int
 931 windowed_create_outputs(struct ivi_compositor *ivi, int output_count,
 932                         const char *match_prefix, const char *name_prefix)
 933 {
 934         struct weston_config_section *section = NULL;
 935         const char *section_name;
 936         char *default_output = NULL;
 937         int i = 0;
 938         size_t match_len = strlen(match_prefix);
 939
 940         while (weston_config_next_section(ivi->config, &section, &section_name)) {
 941                 char *output_name;
 942
 943                 if (i >= output_count)
 944                         break;
 945
 946                 if (strcmp(section_name, "output") != 0)
 947                         continue;
 948
 949                 weston_config_section_get_string(section, "name", &output_name, NULL);
 950                 if (output_name == NULL)
 951                         continue;
 952                 if (strncmp(output_name, match_prefix, match_len) != 0) {
 953                         free(output_name);
 954                         continue;
 955                 }
 956
 957                 if (ivi->window_api->create_head(ivi->compositor, output_name) < 0) {
 958                         free(output_name);
 959                         return -1;
 960                 }
 961
 962                 free(output_name);
 963                 ++i;
 964         }
 965
 966         for (; i < output_count; ++i) {
 967                 if (asprintf(&default_output, "%s%d", name_prefix, i) < 0)
 968                         return -1;
 969
 970                 if (ivi->window_api->create_head(ivi->compositor, default_output) < 0) {
 971                         free(default_output);
 972                         return -1;
 973                 }
 974
 975                 free(default_output);
 976         }
 977
 978         return 0;
 979 }
 980
 981 static int
 982 load_wayland_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
 983 {
 984         struct weston_wayland_backend_config config = {
 985                 .base = {
 986                         .struct_version = WESTON_WAYLAND_BACKEND_CONFIG_VERSION,
 987                         .struct_size = sizeof config,
 988                 },
 989         };
 990         struct weston_config_section *section;
 991         int sprawl = 0;
 992         int output_count;
 993         int ret;
 994
 995         const struct weston_option options[] = {
 996                 { WESTON_OPTION_STRING, "display", 0, &config.display_name },
 997                 { WESTON_OPTION_STRING, "sprawl", 0, &sprawl },
 998         };
 999
1000         windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
1001                                       &config.fullscreen, &output_count);
1002
1003         parse_options(options, ARRAY_LENGTH(options), argc, argv);
1004         config.sprawl = sprawl;
1005
1006         section = weston_config_get_section(ivi->config, "shell", NULL, NULL);
1007         weston_config_section_get_string(section, "cursor-theme",
1008                                          &config.cursor_theme, NULL);
1009         weston_config_section_get_int(section, "cursor-size",
1010                                       &config.cursor_size, 32);
1011
1012         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_WAYLAND,
1013                                              &config.base);
1014
1015         free(config.cursor_theme);
1016         free(config.display_name);
1017
1018         if (ret < 0)
1019                 return ret;
1020
1021         ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
1022
1023         /*
1024          * We will just assume if load_backend() finished cleanly and
1025          * windowed_output_api is not present that wayland backend is started
1026          * with --sprawl or runs on fullscreen-shell. In this case, all values
1027          * are hardcoded, so nothing can be configured; simply create and
1028          * enable an output.
1029          */
1030         if (ivi->window_api == NULL)
1031                 return 0;
1032
1033         return windowed_create_outputs(ivi, output_count, "WL", "wayland");
1034 }
1035
1036 #ifdef HAVE_BACKEND_X11
1037 static int
1038 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1039 {
1040         struct weston_x11_backend_config config = {
1041                 .base = {
1042                         .struct_version = WESTON_X11_BACKEND_CONFIG_VERSION,
1043                         .struct_size = sizeof config,
1044                 },
1045         };
1046         int no_input = 0;
1047         int output_count;
1048         int ret;
1049
1050         const struct weston_option options[] = {
1051                { WESTON_OPTION_BOOLEAN, "no-input", 0, &no_input },
1052         };
1053
1054         windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
1055                                       &config.fullscreen, &output_count);
1056
1057         parse_options(options, ARRAY_LENGTH(options), argc, argv);
1058         config.no_input = no_input;
1059
1060         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_X11,
1061                                              &config.base);
1062
1063         if (ret < 0)
1064                 return ret;
1065
1066         ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
1067         if (!ivi->window_api) {
1068                 weston_log("Cannot use weston_windowed_output_api.\n");
1069                 return -1;
1070         }
1071
1072         return windowed_create_outputs(ivi, output_count, "X", "screen");
1073 }
1074 #else
1075 static int
1076 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1077 {
1078         return -1;
1079 }
1080 #endif
1081
1082 static int
1083 load_backend(struct ivi_compositor *ivi, const char *backend,
1084              int *argc, char *argv[])
1085 {
1086         if (strcmp(backend, "drm-backend.so") == 0) {
1087                 return load_drm_backend(ivi, argc, argv);
1088         } else if (strcmp(backend, "wayland-backend.so") == 0) {
1089                 return load_wayland_backend(ivi, argc, argv);
1090         } else if (strcmp(backend, "x11-backend.so") == 0) {
1091                 return load_x11_backend(ivi, argc, argv);
1092         }
1093
1094         weston_log("fatal: unknown backend '%s'.\n", backend);
1095         return -1;
1096 }
1097
1098 static char *
1099 choose_default_backend(void)
1100 {
1101         char *backend = NULL;
1102
1103         if (getenv("WAYLAND_DISPLAY") || getenv("WAYLAND_SOCKET"))
1104                 backend = strdup("wayland-backend.so");
1105         else if (getenv("DISPLAY"))
1106                 backend = strdup("x11-backend.so");
1107         else
1108                 backend = strdup("drm-backend.so");
1109
1110         return backend;
1111 }
1112
1113 static int
1114 compositor_init_config(struct weston_compositor *compositor,
1115                        struct weston_config *config)
1116 {
1117         struct xkb_rule_names xkb_names;
1118         struct weston_config_section *section;
1119         int repaint_msec;
1120         bool vt_switching;
1121         bool require_input;
1122
1123         /* agl-compositor.ini [keyboard] */
1124         section = weston_config_get_section(config, "keyboard", NULL, NULL);
1125         weston_config_section_get_string(section, "keymap_rules",
1126                                          (char **) &xkb_names.rules, NULL);
1127         weston_config_section_get_string(section, "keymap_model",
1128                                          (char **) &xkb_names.model, NULL);
1129         weston_config_section_get_string(section, "keymap_layout",
1130                                          (char **) &xkb_names.layout, NULL);
1131         weston_config_section_get_string(section, "keymap_variant",
1132                                          (char **) &xkb_names.variant, NULL);
1133         weston_config_section_get_string(section, "keymap_options",
1134                                          (char **) &xkb_names.options, NULL);
1135
1136         if (weston_compositor_set_xkb_rule_names(compositor, &xkb_names) < 0)
1137                 return -1;
1138
1139         weston_config_section_get_int(section, "repeat-rate",
1140                                       &compositor->kb_repeat_rate, 40);
1141         weston_config_section_get_int(section, "repeat-delay",
1142                                       &compositor->kb_repeat_delay, 400);
1143
1144         weston_config_section_get_bool(section, "vt-switching",
1145                                        &vt_switching, true);
1146         compositor->vt_switching = vt_switching;
1147
1148         /* agl-compositor.ini [core] */
1149         section = weston_config_get_section(config, "core", NULL, NULL);
1150
1151         weston_config_section_get_bool(section, "require-input", &require_input, true);
1152         compositor->require_input = require_input;
1153
1154         weston_config_section_get_int(section, "repaint-window", &repaint_msec,
1155                                       compositor->repaint_msec);
1156         if (repaint_msec < -10 || repaint_msec > 1000) {
1157                 weston_log("Invalid repaint_window value in config: %d\n",
1158                            repaint_msec);
1159         } else {
1160                 compositor->repaint_msec = repaint_msec;
1161         }
1162         weston_log("Output repaint window is %d ms maximum.\n",
1163                    compositor->repaint_msec);
1164
1165         return 0;
1166 }
1167
1168 struct ivi_surface *
1169 to_ivi_surface(struct weston_surface *surface)
1170 {
1171         struct weston_desktop_surface *dsurface;
1172
1173         dsurface = weston_surface_get_desktop_surface(surface);
1174         if (!dsurface)
1175                 return NULL;
1176
1177         return weston_desktop_surface_get_user_data(dsurface);
1178 }
1179
1180 static void
1181 activate_binding(struct weston_seat *seat,
1182                  struct weston_view *focus_view)
1183 {
1184         struct weston_surface *focus = focus_view->surface;
1185         struct weston_surface *main_surface =
1186                 weston_surface_get_main_surface(focus);
1187         struct ivi_surface *surface;
1188
1189         surface = to_ivi_surface(main_surface);
1190         if (!surface)
1191                 return;
1192
1193         weston_seat_set_keyboard_focus(seat, focus);
1194 }
1195
1196 static void
1197 click_to_activate_binding(struct weston_pointer *pointer,
1198                           const struct timespec *time,
1199                           uint32_t button, void *data)
1200 {
1201         if (pointer->grab != &pointer->default_grab)
1202                 return;
1203         if (pointer->focus == NULL)
1204                 return;
1205
1206         activate_binding(pointer->seat, pointer->focus);
1207 }
1208
1209 static void
1210 touch_to_activate_binding(struct weston_touch *touch,
1211                           const struct timespec *time,
1212                           void *data)
1213 {
1214         if (touch->grab != &touch->default_grab)
1215                 return;
1216         if (touch->focus == NULL)
1217                 return;
1218
1219         activate_binding(touch->seat, touch->focus);
1220 }
1221
1222 static void
1223 add_bindings(struct weston_compositor *compositor)
1224 {
1225         weston_compositor_add_button_binding(compositor, BTN_LEFT, 0,
1226                                              click_to_activate_binding,
1227                                              NULL);
1228         weston_compositor_add_button_binding(compositor, BTN_RIGHT, 0,
1229                                              click_to_activate_binding,
1230                                              NULL);
1231         weston_compositor_add_touch_binding(compositor, 0,
1232                                             touch_to_activate_binding,
1233                                             NULL);
1234 }
1235
1236 static int
1237 create_listening_socket(struct wl_display *display, const char *socket_name)
1238 {
1239         if (socket_name) {
1240                 if (wl_display_add_socket(display, socket_name)) {
1241                         weston_log("fatal: failed to add socket: %s\n",
1242                                    strerror(errno));
1243                         return -1;
1244                 }
1245         } else {
1246                 socket_name = wl_display_add_socket_auto(display);
1247                 if (!socket_name) {
1248                         weston_log("fatal: failed to add socket: %s\n",
1249                                    strerror(errno));
1250                         return -1;
1251                 }
1252         }
1253
1254         setenv("WAYLAND_DISPLAY", socket_name, 1);
1255
1256         return 0;
1257 }
1258
1259 static bool
1260 global_filter(const struct wl_client *client, const struct wl_global *global,
1261               void *data)
1262 {
1263         return true;
1264 }
1265
1266 static int
1267 load_config(struct weston_config **config, bool no_config,
1268             const char *config_file)
1269 {
1270         const char *file = "agl-compositor.ini";
1271         const char *full_path;
1272
1273         if (config_file)
1274                 file = config_file;
1275
1276         if (!no_config)
1277                 *config = weston_config_parse(file);
1278
1279         if (*config) {
1280                 full_path = weston_config_get_full_path(*config);
1281
1282                 weston_log("Using config file '%s'.\n", full_path);
1283                 setenv(WESTON_CONFIG_FILE_ENV_VAR, full_path, 1);
1284
1285                 return 0;
1286         }
1287
1288         if (config_file && !no_config) {
1289                 weston_log("fatal: error opening or reading config file '%s'.\n",
1290                         config_file);
1291
1292                 return -1;
1293         }
1294
1295         weston_log("Starting with no config file.\n");
1296         setenv(WESTON_CONFIG_FILE_ENV_VAR, "", 1);
1297
1298         return 0;
1299 }
1300
1301 static FILE *logfile;
1302
1303 static char *
1304 log_timestamp(char *buf, size_t len)
1305 {
1306         struct timeval tv;
1307         struct tm *brokendown_time;
1308         char datestr[128];
1309         char timestr[128];
1310
1311         gettimeofday(&tv, NULL);
1312
1313         brokendown_time = localtime(&tv.tv_sec);
1314         if (brokendown_time == NULL) {
1315                 snprintf(buf, len, "%s", "[(NULL)localtime] ");
1316                 return buf;
1317         }
1318
1319         memset(datestr, 0, sizeof(datestr));
1320         if (brokendown_time->tm_mday != cached_tm_mday) {
1321                 strftime(datestr, sizeof(datestr), "Date: %Y-%m-%d %Z\n",
1322                                 brokendown_time);
1323                 cached_tm_mday = brokendown_time->tm_mday;
1324         }
1325
1326         strftime(timestr, sizeof(timestr), "%H:%M:%S", brokendown_time);
1327         /* if datestr is empty it prints only timestr*/
1328         snprintf(buf, len, "%s[%s.%03li]", datestr,
1329                         timestr, (tv.tv_usec / 1000));
1330
1331         return buf;
1332 }
1333
1334 static void
1335 custom_handler(const char *fmt, va_list arg)
1336 {
1337         char timestr[512];
1338
1339         weston_log_scope_printf(log_scope, "%s libwayland: ",
1340                         log_timestamp(timestr, sizeof(timestr)));
1341         weston_log_scope_vprintf(log_scope, fmt, arg);
1342 }
1343
1344 static void
1345 log_file_open(const char *filename)
1346 {
1347         wl_log_set_handler_server(custom_handler);
1348
1349         if (filename)
1350                 logfile = fopen(filename, "a");
1351
1352         if (!logfile) {
1353                 logfile = stderr;
1354         } else {
1355                 os_fd_set_cloexec(fileno(logfile));
1356                 setvbuf(logfile, NULL, _IOLBF, 256);
1357         }
1358 }
1359
1360 static void
1361 log_file_close(void)
1362 {
1363         if (logfile && logfile != stderr)
1364                 fclose(logfile);
1365         logfile = stderr;
1366 }
1367
1368 static int
1369 vlog(const char *fmt, va_list ap)
1370 {
1371         const char *oom = "Out of memory";
1372         char timestr[128];
1373         int len = 0;
1374         char *str;
1375
1376         if (weston_log_scope_is_enabled(log_scope)) {
1377                 int len_va;
1378                 char *xlog_timestamp = log_timestamp(timestr, sizeof(timestr));
1379                 len_va = vasprintf(&str, fmt, ap);
1380                 if (len_va >= 0) {
1381                         len = weston_log_scope_printf(log_scope, "%s %s",
1382                                         xlog_timestamp, str);
1383                         free(str);
1384                 } else {
1385                         len = weston_log_scope_printf(log_scope, "%s %s",
1386                                         xlog_timestamp, oom);
1387                 }
1388         }
1389
1390         return len;
1391 }
1392
1393
1394 static int
1395 vlog_continue(const char *fmt, va_list ap)
1396 {
1397         return weston_log_scope_vprintf(log_scope, fmt, ap);
1398 }
1399
1400 static int
1401 on_term_signal(int signo, void *data)
1402 {
1403         struct wl_display *display = data;
1404
1405         weston_log("caught signal %d\n", signo);
1406         wl_display_terminate(display);
1407
1408         return 1;
1409 }
1410
1411 static void
1412 handle_exit(struct weston_compositor *compositor)
1413 {
1414         wl_display_terminate(compositor->wl_display);
1415 }
1416
1417 static void
1418 usage(int error_code)
1419 {
1420         FILE *out = error_code == EXIT_SUCCESS ? stdout : stderr;
1421         fprintf(out,
1422                 "Usage: agl-compositor [OPTIONS]\n"
1423                 "\n"
1424                 "This is " PACKAGE_STRING ", the reference compositor for\n"
1425                 "Automotive Grade Linux. Weston-ivi supports multiple backends, and depending\n"
1426                 "on which backend is in use different options will be accepted.\n"
1427                 "\n"
1428                 "Core options:\n"
1429                 "\n"
1430                 "  --version\t\tPrint agl-compositor version\n"
1431                 "  -B, --backend=MODULE\tBackend module, one of\n"
1432                         "\t\t\t\tdrm-backend.so\n"
1433                         "\t\t\t\twayland-backend.so\n"
1434                         "\t\t\t\tx11-backend.so\n"
1435                 "  -S, --socket=NAME\tName of socket to listen on\n"
1436                 "  --log=FILE\t\tLog to the given file\n"
1437                 "  -c, --config=FILE\tConfig file to load, defaults to agl-compositor.ini\n"
1438                 "  --no-config\t\tDo not read agl-compositor.ini\n"
1439                 "  --debug\t\tEnable debug extension(s)\n"
1440                 "  -h, --help\t\tThis help message\n"
1441                 "\n");
1442         exit(error_code);
1443 }
1444
1445 int main(int argc, char *argv[])
1446 {
1447         struct ivi_compositor ivi = { 0 };
1448         struct wl_display *display = NULL;
1449         struct wl_event_loop *loop;
1450         struct wl_event_source *signals[3] = { 0 };
1451         struct weston_config_section *section;
1452         /* Command line options */
1453         char *backend = NULL;
1454         char *socket_name = NULL;
1455         char *log = NULL;
1456         int help = 0;
1457         int version = 0;
1458         int no_config = 0;
1459         int debug = 0;
1460         char *config_file = NULL;
1461         struct weston_log_context *log_ctx = NULL;
1462         struct weston_log_subscriber *logger;
1463         int ret = EXIT_FAILURE;
1464
1465         const struct weston_option core_options[] = {
1466                 { WESTON_OPTION_STRING, "backend", 'B', &backend },
1467                 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
1468                 { WESTON_OPTION_STRING, "log", 0, &log },
1469                 { WESTON_OPTION_BOOLEAN, "help", 'h', &help },
1470                 { WESTON_OPTION_BOOLEAN, "version", 0, &version },
1471                 { WESTON_OPTION_BOOLEAN, "no-config", 0, &no_config },
1472                 { WESTON_OPTION_BOOLEAN, "debug", 0, &debug },
1473                 { WESTON_OPTION_STRING, "config", 'c', &config_file },
1474         };
1475
1476         wl_list_init(&ivi.outputs);
1477         wl_list_init(&ivi.surfaces);
1478         wl_list_init(&ivi.pending_surfaces);
1479         wl_list_init(&ivi.popup_pending_apps);
1480         wl_list_init(&ivi.fullscreen_pending_apps);
1481         wl_list_init(&ivi.split_pending_apps);
1482         wl_list_init(&ivi.remote_pending_apps);
1483         wl_list_init(&ivi.desktop_clients);
1484
1485         /* Prevent any clients we spawn getting our stdin */
1486         os_fd_set_cloexec(STDIN_FILENO);
1487
1488         parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv);
1489
1490         if (help)
1491                 usage(EXIT_SUCCESS);
1492
1493         if (version) {
1494                 printf(PACKAGE_STRING "\n");
1495                 return EXIT_SUCCESS;
1496         }
1497
1498         log_ctx = weston_log_ctx_compositor_create();
1499         if (!log_ctx) {
1500                 fprintf(stderr, "Failed to initialize weston debug framework.\n");
1501                 return ret;
1502         }
1503
1504         log_scope = weston_compositor_add_log_scope(log_ctx, "log",
1505                                                     "agl-compositor log\n",
1506                                                     NULL, NULL, NULL);
1507
1508         log_file_open(log);
1509         weston_log_set_handler(vlog, vlog_continue);
1510
1511         logger = weston_log_subscriber_create_log(logfile);
1512         weston_log_subscribe(log_ctx, logger, "log");
1513
1514         if (load_config(&ivi.config, no_config, config_file) < 0)
1515                 goto error_signals;
1516         section = weston_config_get_section(ivi.config, "core", NULL, NULL);
1517         if (!backend) {
1518                 weston_config_section_get_string(section, "backend", &backend,
1519                                                  NULL);
1520                 if (!backend)
1521                         backend = choose_default_backend();
1522         }
1523         /* from [core] */
1524         weston_config_section_get_bool(section, "hide-cursor", &ivi.hide_cursor, false);
1525
1526         display = wl_display_create();
1527         loop = wl_display_get_event_loop(display);
1528
1529         wl_display_set_global_filter(display,
1530                                      global_filter, &ivi);
1531
1532         /* Register signal handlers so we shut down cleanly */
1533
1534         signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
1535                                               display);
1536         signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
1537                                               display);
1538         signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
1539                                               display);
1540
1541         for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1542                 if (!signals[i])
1543                         goto error_signals;
1544
1545         ivi.compositor = weston_compositor_create(display, log_ctx, &ivi);
1546         if (!ivi.compositor) {
1547                 weston_log("fatal: failed to create compositor.\n");
1548                 goto error_signals;
1549         }
1550
1551         if (compositor_init_config(ivi.compositor, ivi.config) < 0)
1552                 goto error_compositor;
1553
1554         if (load_backend(&ivi, backend, &argc, argv) < 0) {
1555                 weston_log("fatal: failed to create compositor backend.\n");
1556                 goto error_compositor;
1557         }
1558
1559         ivi.heads_changed.notify = heads_changed;
1560         weston_compositor_add_heads_changed_listener(ivi.compositor,
1561                                                      &ivi.heads_changed);
1562
1563         if (ivi_desktop_init(&ivi) < 0)
1564                 goto error_compositor;
1565
1566         ivi_seat_init(&ivi);
1567
1568         if (ivi_policy_init(&ivi) < 0)
1569                 goto error_compositor;
1570
1571         if (ivi_shell_init(&ivi) < 0)
1572                 goto error_compositor;
1573
1574         add_bindings(ivi.compositor);
1575
1576         weston_compositor_flush_heads_changed(ivi.compositor);
1577
1578         if (ivi.remoting_api)
1579                 ivi_enable_remote_outputs(&ivi);
1580
1581         if (ivi.waltham_transmitter_api)
1582                 ivi_enable_waltham_outputs(&ivi);
1583
1584         if (create_listening_socket(display, socket_name) < 0)
1585                 goto error_compositor;
1586
1587         ivi_shell_init_black_fs(&ivi);
1588
1589         ivi.compositor->exit = handle_exit;
1590
1591         weston_compositor_wake(ivi.compositor);
1592
1593         ivi_shell_create_global(&ivi);
1594         ivi_launch_shell_client(&ivi);
1595         if (debug)
1596                 ivi_screenshooter_create(&ivi);
1597         ivi_agl_systemd_notify(&ivi);
1598
1599         wl_display_run(display);
1600
1601         ret = ivi.compositor->exit_code;
1602
1603         wl_display_destroy_clients(display);
1604
1605 error_compositor:
1606         weston_compositor_tear_down(ivi.compositor);
1607
1608         weston_compositor_log_scope_destroy(log_scope);
1609         log_scope = NULL;
1610
1611         weston_log_ctx_compositor_destroy(ivi.compositor);
1612         weston_compositor_destroy(ivi.compositor);
1613
1614         weston_log_subscriber_destroy_log(logger);
1615
1616         ivi_policy_destroy(ivi.policy);
1617
1618 error_signals:
1619         for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1620                 if (signals[i])
1621                         wl_event_source_remove(signals[i]);
1622
1623         wl_display_destroy(display);
1624
1625         log_file_close();
1626         if (ivi.config)
1627                 weston_config_destroy(ivi.config);
1628
1629         return ret;
1630 }