src/compositor.c

   1 /*
   2  * Copyright © 2012-2021 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_HEADLESS
  43 #include <libweston/backend-headless.h>
  44 #endif
  45 #ifdef HAVE_BACKEND_X11
  46 #include <libweston/backend-x11.h>
  47 #endif
  48 #include <libweston/libweston.h>
  49 #include <libweston/windowed-output-api.h>
  50 #include <libweston/config-parser.h>
  51 #include <libweston/weston-log.h>
  52 #include <weston/weston.h>
  53
  54 #include "shared/os-compatibility.h"
  55 #include "shared/helpers.h"
  56
  57 #include "agl-shell-server-protocol.h"
  58
  59 #ifdef HAVE_REMOTING
  60 #include "remote.h"
  61 #endif
  62
  63 #ifdef HAVE_WALTHAM
  64 #include <waltham-transmitter/transmitter_api.h>
  65 #endif
  66
  67 static int cached_tm_mday = -1;
  68 static struct weston_log_scope *log_scope;
  69
  70 struct ivi_compositor *
  71 to_ivi_compositor(struct weston_compositor *ec)
  72 {
  73         return weston_compositor_get_user_data(ec);
  74 }
  75
  76 static void
  77 handle_output_destroy(struct wl_listener *listener, void *data)
  78 {
  79         struct ivi_output *output;
  80
  81         output = wl_container_of(listener, output, output_destroy);
  82         assert(output->output == data);
  83
  84         if (output->fullscreen_view.fs->view) {
  85                 weston_surface_destroy(output->fullscreen_view.fs->view->surface);
  86                 output->fullscreen_view.fs->view = NULL;
  87         }
  88
  89         weston_layer_fini(&output->ivi->fullscreen);
  90         output->output = NULL;
  91         wl_list_remove(&output->output_destroy.link);
  92 }
  93
  94 struct ivi_output *
  95 to_ivi_output(struct weston_output *o)
  96 {
  97         struct wl_listener *listener;
  98         struct ivi_output *output;
  99
 100         listener = weston_output_get_destroy_listener(o, handle_output_destroy);
 101         output = wl_container_of(listener, output, output_destroy);
 102
 103         return output;
 104 }
 105
 106 static void
 107 ivi_output_configure_app_id(struct ivi_output *ivi_output)
 108 {
 109         if (ivi_output->config) {
 110                 if (ivi_output->app_id != NULL)
 111                         return;
 112
 113                 weston_config_section_get_string(ivi_output->config,
 114                                                  "agl-shell-app-id",
 115                                                  &ivi_output->app_id,
 116                                                  NULL);
 117
 118                 if (ivi_output->app_id == NULL)
 119                         return;
 120
 121                 weston_log("Will place app_id %s on output %s\n",
 122                                 ivi_output->app_id, ivi_output->name);
 123         }
 124 }
 125
 126 static struct ivi_output *
 127 ivi_ensure_output(struct ivi_compositor *ivi, char *name,
 128                   struct weston_config_section *config)
 129 {
 130         struct ivi_output *output = NULL;
 131         wl_list_for_each(output, &ivi->outputs, link) {
 132                 if (strcmp(output->name, name) == 0) {
 133                         free(name);
 134                         return output;
 135                 }
 136         }
 137
 138         output = zalloc(sizeof *output);
 139         if (!output) {
 140                 free(name);
 141                 return NULL;
 142         }
 143
 144         output->ivi = ivi;
 145         output->name = name;
 146         output->config = config;
 147
 148         output->output = weston_compositor_create_output(ivi->compositor, name);
 149         if (!output->output) {
 150                 free(output->name);
 151                 free(output);
 152                 return NULL;
 153         }
 154
 155         output->output_destroy.notify = handle_output_destroy;
 156         weston_output_add_destroy_listener(output->output,
 157                                            &output->output_destroy);
 158
 159         wl_list_insert(&ivi->outputs, &output->link);
 160         ivi_output_configure_app_id(output);
 161         return output;
 162 }
 163
 164 static int
 165 count_heads(struct weston_output *output)
 166 {
 167         struct weston_head *iter = NULL;
 168         int n = 0;
 169
 170         while ((iter = weston_output_iterate_heads(output, iter)))
 171                 ++n;
 172
 173         return n;
 174 }
 175
 176 static void
 177 handle_head_destroy(struct wl_listener *listener, void *data)
 178 {
 179         struct weston_head *head = data;
 180         struct weston_output *output;
 181
 182         wl_list_remove(&listener->link);
 183         free(listener);
 184
 185         output = weston_head_get_output(head);
 186
 187         /* On shutdown path, the output might be already gone. */
 188         if (!output)
 189                 return;
 190
 191         /* We're the last head */
 192         if (count_heads(output) <= 1)
 193                 weston_output_destroy(output);
 194 }
 195
 196 static void
 197 add_head_destroyed_listener(struct weston_head *head)
 198 {
 199         /* We already have a destroy listener */
 200         if (weston_head_get_destroy_listener(head, handle_head_destroy))
 201                 return;
 202
 203         struct wl_listener *listener = zalloc(sizeof *listener);
 204         if (!listener)
 205                 return;
 206
 207         listener->notify = handle_head_destroy;
 208         weston_head_add_destroy_listener(head, listener);
 209 }
 210
 211 static int
 212 drm_configure_output(struct ivi_output *output)
 213 {
 214         struct ivi_compositor *ivi = output->ivi;
 215         struct weston_config_section *section = output->config;
 216         enum weston_drm_backend_output_mode mode =
 217                 WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
 218         char *modeline = NULL;
 219         char *gbm_format = NULL;
 220         char *seat = NULL;
 221
 222         if (section) {
 223                 char *m;
 224                 weston_config_section_get_string(section, "mode", &m, "preferred");
 225
 226                 /* This should have been handled earlier */
 227                 assert(strcmp(m, "off") != 0);
 228
 229                 if (ivi->cmdline.use_current_mode || strcmp(m, "current") == 0) {
 230                         mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
 231                 } else if (strcmp(m, "preferred") != 0) {
 232                         modeline = m;
 233                         m = NULL;
 234                 }
 235                 free(m);
 236
 237                 weston_config_section_get_string(section, "gbm-format",
 238                                                  &gbm_format, NULL);
 239
 240                 weston_config_section_get_string(section, "seat", &seat, "");
 241         }
 242
 243         if (ivi->drm_api->set_mode(output->output, mode, modeline) < 0) {
 244                 weston_log("Cannot configure output using weston_drm_output_api.\n");
 245                 free(modeline);
 246                 return -1;
 247         }
 248         free(modeline);
 249
 250         ivi->drm_api->set_gbm_format(output->output, gbm_format);
 251         free(gbm_format);
 252
 253         ivi->drm_api->set_seat(output->output, seat);
 254         free(seat);
 255
 256         return 0;
 257 }
 258
 259 #define WINDOWED_DEFAULT_WIDTH 1024
 260 #define WINDOWED_DEFAULT_HEIGHT 768
 261
 262 static int
 263 windowed_configure_output(struct ivi_output *output)
 264 {
 265         struct ivi_compositor *ivi = output->ivi;
 266         struct weston_config_section *section = output->config;
 267         int width = WINDOWED_DEFAULT_WIDTH;
 268         int height = WINDOWED_DEFAULT_HEIGHT;
 269
 270         if (section) {
 271                 char *mode;
 272
 273                 weston_config_section_get_string(section, "mode", &mode, NULL);
 274                 if (!mode || sscanf(mode, "%dx%d", &width, &height) != 2) {
 275                         weston_log("Invalid mode for output %s. Using defaults.\n",
 276                                    output->name);
 277                         width = WINDOWED_DEFAULT_WIDTH;
 278                         height = WINDOWED_DEFAULT_HEIGHT;
 279                 }
 280                 free(mode);
 281         }
 282
 283         if (ivi->cmdline.width)
 284                 width = ivi->cmdline.width;
 285         if (ivi->cmdline.height)
 286                 height = ivi->cmdline.height;
 287         if (ivi->cmdline.scale)
 288                 weston_output_set_scale(output->output, ivi->cmdline.scale);
 289
 290         if (ivi->window_api->output_set_size(output->output, width, height) < 0) {
 291                 weston_log("Cannot configure output '%s' using weston_windowed_output_api.\n",
 292                            output->name);
 293                 return -1;
 294         }
 295
 296         weston_log("Configured windowed_output_api to %dx%d\n", width, height);
 297
 298         return 0;
 299 }
 300
 301 static int
 302 parse_transform(const char *transform, uint32_t *out)
 303 {
 304         static const struct { const char *name; uint32_t token; } transforms[] = {
 305                 { "normal",             WL_OUTPUT_TRANSFORM_NORMAL },
 306                 { "rotate-90",          WL_OUTPUT_TRANSFORM_90 },
 307                 { "rotate-180",         WL_OUTPUT_TRANSFORM_180 },
 308                 { "rotate-270",         WL_OUTPUT_TRANSFORM_270 },
 309                 { "flipped",            WL_OUTPUT_TRANSFORM_FLIPPED },
 310                 { "flipped-rotate-90",  WL_OUTPUT_TRANSFORM_FLIPPED_90 },
 311                 { "flipped-rotate-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
 312                 { "flipped-rotate-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
 313         };
 314
 315         for (size_t i = 0; i < ARRAY_LENGTH(transforms); i++)
 316                 if (strcmp(transforms[i].name, transform) == 0) {
 317                         *out = transforms[i].token;
 318                         return 0;
 319                 }
 320
 321         *out = WL_OUTPUT_TRANSFORM_NORMAL;
 322         return -1;
 323 }
 324
 325 static int
 326 configure_output(struct ivi_output *output)
 327 {
 328         struct ivi_compositor *ivi = output->ivi;
 329         struct weston_config_section *section = output->config;
 330         int32_t scale = 1;
 331         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
 332
 333         /*
 334          * This can happen with the wayland backend with 'sprawl'. The config
 335          * is hard-coded, so we don't need to do anything.
 336          */
 337         if (!ivi->drm_api && !ivi->window_api)
 338                 return 0;
 339
 340         if (section) {
 341                 char *t;
 342
 343                 weston_config_section_get_int(section, "scale", &scale, 1);
 344                 weston_config_section_get_string(section, "transform", &t, "normal");
 345                 if (parse_transform(t, &transform) < 0)
 346                         weston_log("Invalid transform \"%s\" for output %s\n",
 347                                    t, output->name);
 348                 free(t);
 349         }
 350
 351         weston_output_set_scale(output->output, scale);
 352         weston_output_set_transform(output->output, transform);
 353
 354         if (ivi->drm_api)
 355                 return drm_configure_output(output);
 356         else
 357                 return windowed_configure_output(output);
 358 }
 359
 360 /*
 361  * Reorgainizes the output's add array into two sections.
 362  * add[0..ret-1] are the heads that failed to get attached.
 363  * add[ret..add_len] are the heads that were successfully attached.
 364  *
 365  * The order between elements in each section is stable.
 366  */
 367 static size_t
 368 try_attach_heads(struct ivi_output *output)
 369 {
 370         size_t fail_len = 0;
 371
 372         for (size_t i = 0; i < output->add_len; ++i) {
 373                 if (weston_output_attach_head(output->output, output->add[i]) < 0) {
 374                         struct weston_head *tmp = output->add[i];
 375                         memmove(&output->add[fail_len + 1], output->add[fail_len],
 376                                 sizeof output->add[0] * (i - fail_len));
 377                         output->add[fail_len++] = tmp;
 378                 }
 379         }
 380
 381         return fail_len;
 382 }
 383
 384 /*
 385  * Like try_attach_heads, this reorganizes the output's add array into a failed
 386  * and successful section.
 387  * i is the number of heads that already failed the previous step.
 388  */
 389 static size_t
 390 try_enable_output(struct ivi_output *output, size_t i)
 391 {
 392         for (; i < output->add_len; ++i) {
 393                 struct weston_head *head;
 394
 395                 if (weston_output_enable(output->output) == 0)
 396                         break;
 397
 398                 head = output->add[output->add_len - 1];
 399                 memmove(&output->add[i + 1], &output->add[i],
 400                         sizeof output->add[0] * (output->add_len - i));
 401                 output->add[i] = head;
 402
 403                 weston_head_detach(head);
 404         }
 405
 406         return i;
 407 }
 408
 409 static int
 410 try_attach_enable_heads(struct ivi_output *output)
 411 {
 412         size_t fail_len;
 413         assert(!output->output->enabled);
 414
 415         fail_len = try_attach_heads(output);
 416
 417         if (configure_output(output) < 0)
 418                 return -1;
 419
 420         fail_len = try_enable_output(output, fail_len);
 421
 422         /* All heads failed to be attached */
 423         if (fail_len == output->add_len)
 424                 return -1;
 425
 426         /* For each successful head attached */
 427         for (size_t i = fail_len; i < output->add_len; ++i)
 428                 add_head_destroyed_listener(output->add[i]);
 429
 430         output->add_len = fail_len;
 431         return 0;
 432 }
 433
 434 static int
 435 process_output(struct ivi_output *output)
 436 {
 437         if (output->output->enabled) {
 438                 output->add_len = try_attach_heads(output);
 439                 return output->add_len == 0 ? 0 : -1;
 440         }
 441
 442         return try_attach_enable_heads(output);
 443 }
 444
 445 static void
 446 head_disable(struct ivi_compositor *ivi, struct weston_head *head)
 447 {
 448         struct weston_output *output;
 449         struct ivi_output *ivi_output;
 450         struct wl_listener *listener;
 451
 452         output = weston_head_get_output(head);
 453         assert(output);
 454
 455         listener = weston_output_get_destroy_listener(output,
 456                                                       handle_output_destroy);
 457         assert(listener);
 458
 459         ivi_output = wl_container_of(listener, ivi_output, output_destroy);
 460         assert(ivi_output->output == output);
 461
 462         weston_head_detach(head);
 463         if (count_heads(ivi_output->output) == 0) {
 464                 weston_output_disable(ivi_output->output);
 465         }
 466 }
 467
 468 static struct weston_config_section *
 469 find_controlling_output_config(struct weston_config *config,
 470                                const char *name)
 471 {
 472         struct weston_config_section *section;
 473         char *same_as;
 474         int depth = 0;
 475
 476         same_as = strdup(name);
 477         do {
 478                 section = weston_config_get_section(config, "output",
 479                                                     "name", same_as);
 480                 if (!section && depth > 0)
 481                         weston_log("Configuration error: output section reffered"
 482                                    "to by same-as=%s not found.\n", same_as);
 483                 free(same_as);
 484
 485                 if (!section)
 486                         return NULL;
 487
 488                 if (depth++ > 8) {
 489                         weston_log("Configuration error: same-as nested too "
 490                                    "deep for output '%s'.\n", name);
 491                         return NULL;
 492                 }
 493
 494                 weston_config_section_get_string(section, "same-as",
 495                                                  &same_as, NULL);
 496         } while (same_as);
 497
 498         return section;
 499 }
 500
 501 static void
 502 head_prepare_enable(struct ivi_compositor *ivi, struct weston_head *head)
 503 {
 504         const char *name = weston_head_get_name(head);
 505         struct weston_config_section *section;
 506         struct ivi_output *output;
 507         char *output_name = NULL;
 508
 509         section = find_controlling_output_config(ivi->config, name);
 510         if (section) {
 511                 char *mode;
 512
 513                 weston_config_section_get_string(section, "mode", &mode, NULL);
 514                 if (mode && strcmp(mode, "off") == 0) {
 515                         free(mode);
 516                         return;
 517                 }
 518                 free(mode);
 519
 520                 weston_config_section_get_string(section, "name",
 521                                                  &output_name, NULL);
 522         } else {
 523                 output_name = strdup(name);
 524         }
 525
 526         if (!output_name)
 527                 return;
 528
 529         output = ivi_ensure_output(ivi, output_name, section);
 530         if (!output)
 531                 return;
 532
 533         if (output->add_len >= ARRAY_LENGTH(output->add))
 534                 return;
 535
 536         output->add[output->add_len++] = head;
 537 }
 538
 539 static void
 540 heads_changed(struct wl_listener *listener, void *arg)
 541 {
 542         struct weston_compositor *compositor = arg;
 543         struct weston_head *head = NULL;
 544         struct ivi_compositor *ivi = to_ivi_compositor(compositor);
 545         struct ivi_output *output;
 546
 547         while ((head = weston_compositor_iterate_heads(ivi->compositor, head))) {
 548                 bool connected = weston_head_is_connected(head);
 549                 bool enabled = weston_head_is_enabled(head);
 550                 bool changed = weston_head_is_device_changed(head);
 551                 bool non_desktop = weston_head_is_non_desktop(head);
 552
 553                 if (connected && !enabled && !non_desktop)
 554                         head_prepare_enable(ivi, head);
 555                 else if (!connected && enabled)
 556                         head_disable(ivi, head);
 557                 else if (enabled && changed)
 558                         weston_log("Detected a monitor change on head '%s', "
 559                                    "not bothering to do anything about it.\n",
 560                                    weston_head_get_name(head));
 561
 562                 weston_head_reset_device_changed(head);
 563         }
 564
 565         wl_list_for_each(output, &ivi->outputs, link) {
 566                 if (output->add_len == 0)
 567                         continue;
 568
 569                 if (process_output(output) < 0) {
 570                         output->add_len = 0;
 571                         ivi->init_failed = true;
 572                 }
 573         }
 574 }
 575
 576 #ifdef HAVE_WALTHAM
 577 static int
 578 load_waltham_plugin(struct ivi_compositor *ivi, struct weston_config *config)
 579 {
 580         struct weston_compositor *compositor = ivi->compositor;
 581         int (*module_init)(struct weston_compositor *wc);
 582
 583         module_init = weston_load_module("waltham-transmitter.so",
 584                                          "wet_module_init");
 585         if (!module_init)
 586                 return -1;
 587
 588         if (module_init(compositor) < 0)
 589                 return -1;
 590
 591         ivi->waltham_transmitter_api = weston_get_transmitter_api(compositor);
 592         if (!ivi->waltham_transmitter_api) {
 593                 weston_log("Failed to load waltham-transmitter plugin.\n");
 594                 return -1;
 595         }
 596
 597         weston_log("waltham-transmitter plug-in loaded\n");
 598         return 0;
 599 }
 600 #else
 601 static int
 602 load_waltham_plugin(struct ivi_compositor *ivi, struct weston_config *config)
 603 {
 604         return -1;
 605 }
 606 #endif
 607
 608 #ifdef HAVE_REMOTING
 609 static int
 610 drm_backend_remoted_output_configure(struct weston_output *output,
 611                                      struct weston_config_section *section,
 612                                      char *modeline,
 613                                      const struct weston_remoting_api *api)
 614 {
 615         char *gbm_format = NULL;
 616         char *seat = NULL;
 617         char *host = NULL;
 618         char *pipeline = NULL;
 619         int port, ret;
 620         int32_t scale = 1;
 621         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
 622         char *trans;
 623
 624         ret = api->set_mode(output, modeline);
 625         if (ret < 0) {
 626                 weston_log("Cannot configure an output \"%s\" using "
 627                                 "weston_remoting_api. Invalid mode\n",
 628                                 output->name);
 629                 return -1;
 630         }
 631
 632         weston_config_section_get_int(section, "scale", &scale, 1);
 633         weston_output_set_scale(output, scale);
 634
 635         weston_config_section_get_string(section, "transform", &trans, "normal");
 636         if (parse_transform(trans, &transform) < 0) {
 637                 weston_log("Invalid transform \"%s\" for output %s\n",
 638                            trans, output->name);
 639         }
 640         weston_output_set_transform(output, transform);
 641
 642         weston_config_section_get_string(section, "gbm-format",
 643                                          &gbm_format, NULL);
 644         api->set_gbm_format(output, gbm_format);
 645         free(gbm_format);
 646
 647         weston_config_section_get_string(section, "seat", &seat, "");
 648
 649         api->set_seat(output, seat);
 650         free(seat);
 651
 652         weston_config_section_get_string(section, "gst-pipeline", &pipeline,
 653                         NULL);
 654         if (pipeline) {
 655                 api->set_gst_pipeline(output, pipeline);
 656                 free(pipeline);
 657                 return 0;
 658         }
 659
 660         weston_config_section_get_string(section, "host", &host, NULL);
 661         weston_config_section_get_int(section, "port", &port, 0);
 662         if (!host || port <= 0 || 65533 < port) {
 663                 weston_log("Cannot configure an output \"%s\". "
 664                                 "Need to specify gst-pipeline or "
 665                                 "host and port (1-65533).\n", output->name);
 666         }
 667         api->set_host(output, host);
 668         free(host);
 669         api->set_port(output, port);
 670
 671         return 0;
 672 }
 673
 674
 675 static int
 676 remote_output_init(struct ivi_output *ivi_output,
 677                    struct weston_compositor *compositor,
 678                    struct weston_config_section *section,
 679                    const struct weston_remoting_api *api)
 680 {
 681         char *output_name, *modeline = NULL;
 682         int ret = -1;
 683
 684         weston_config_section_get_string(section, "name", &output_name, NULL);
 685         if (!output_name)
 686                 return ret;
 687
 688         weston_config_section_get_string(section, "mode", &modeline, "off");
 689         if (strcmp(modeline, "off") == 0)
 690                 goto err;
 691
 692         ivi_output->output = api->create_output(compositor, output_name);
 693         if (!ivi_output->output) {
 694                 weston_log("Cannot create remoted output \"%s\".\n",
 695                                 output_name);
 696                 goto err;
 697         }
 698
 699         ret = drm_backend_remoted_output_configure(ivi_output->output, section,
 700                                                    modeline, api);
 701         if (ret < 0) {
 702                 weston_log("Cannot configure remoted output \"%s\".\n",
 703                                 output_name);
 704                 goto err;
 705         }
 706
 707         if (weston_output_enable(ivi_output->output) < 0) {
 708                 weston_log("Enabling remoted output \"%s\" failed.\n",
 709                                 output_name);
 710                 goto err;
 711         }
 712
 713         free(modeline);
 714         free(output_name);
 715         weston_log("remoted output '%s' enabled\n", ivi_output->output->name);
 716
 717         return 0;
 718
 719 err:
 720         free(modeline);
 721         free(output_name);
 722         if (ivi_output->output)
 723                 weston_output_destroy(ivi_output->output);
 724
 725         return ret;
 726 }
 727
 728 static void
 729 ivi_enable_remote_outputs(struct ivi_compositor *ivi)
 730 {
 731         struct weston_config_section *remote_section = NULL;
 732         const char *section_name;
 733         struct weston_config *config = ivi->config;
 734
 735         while (weston_config_next_section(config, &remote_section, &section_name)) {
 736                 if (strcmp(section_name, "remote-output"))
 737                         continue;
 738
 739                 struct ivi_output *ivi_output = NULL;
 740                 bool output_found = false;
 741                 char *_name = NULL;
 742
 743                 weston_config_section_get_string(remote_section,
 744                                                  "name", &_name, NULL);
 745                 wl_list_for_each(ivi_output, &ivi->outputs, link) {
 746                         if (!strcmp(ivi_output->name, _name)) {
 747                                 output_found = true;
 748                                 break;
 749                         }
 750                 }
 751
 752                 if (output_found) {
 753                         free(_name);
 754                         continue;
 755                 }
 756
 757                 ivi_output = zalloc(sizeof(*ivi_output));
 758                 if (!ivi_output) {
 759                         free(_name);
 760                         continue;
 761                 }
 762
 763                 ivi_output->ivi = ivi;
 764                 ivi_output->name = _name;
 765                 ivi_output->config = remote_section;
 766                 ivi_output->type = OUTPUT_REMOTE;
 767
 768                 if (remote_output_init(ivi_output, ivi->compositor,
 769                                        remote_section, ivi->remoting_api)) {
 770                         free(ivi_output->name);
 771                         free(ivi_output);
 772                         continue;
 773                 }
 774
 775                 ivi_output->output_destroy.notify = handle_output_destroy;
 776                 weston_output_add_destroy_listener(ivi_output->output,
 777                                                    &ivi_output->output_destroy);
 778
 779                 wl_list_insert(&ivi->outputs, &ivi_output->link);
 780                 ivi_output_configure_app_id(ivi_output);
 781         }
 782 }
 783
 784 static void
 785 ivi_enable_waltham_outputs(struct ivi_compositor *ivi)
 786 {
 787         struct weston_config_section *transmitter_section = NULL;
 788         const char *sect_name;
 789         struct weston_config *config = ivi->config;
 790
 791         while (weston_config_next_section(config, &transmitter_section, &sect_name)) {
 792                 if (strcmp(sect_name, "transmitter-output"))
 793                         continue;
 794
 795                 struct ivi_output *ivi_output = NULL;
 796                 bool output_found = false;
 797                 char *_name = NULL;
 798
 799                 weston_config_section_get_string(transmitter_section,
 800                                 "name", &_name, NULL);
 801                 wl_list_for_each(ivi_output, &ivi->outputs, link) {
 802                         if (!strcmp(ivi_output->name, _name)) {
 803                                 output_found = true;
 804                                 break;
 805                         }
 806                 }
 807
 808                 if (output_found) {
 809                         free(_name);
 810                         continue;
 811                 }
 812
 813                 ivi_output = zalloc(sizeof(*ivi_output));
 814                 if (!ivi_output) {
 815                         free(_name);
 816                         continue;
 817                 }
 818
 819                 ivi_output->ivi = ivi;
 820                 ivi_output->name = _name;
 821                 ivi_output->config = transmitter_section;
 822
 823                 if (remote_output_init(ivi_output, ivi->compositor,
 824                                         transmitter_section, ivi->remoting_api)) {
 825                         free(ivi_output->name);
 826                         free(ivi_output);
 827                         continue;
 828                 }
 829
 830                 ivi_output->type = OUTPUT_WALTHAM;
 831                 ivi_output->output_destroy.notify = handle_output_destroy;
 832                 weston_output_add_destroy_listener(ivi_output->output,
 833                                 &ivi_output->output_destroy);
 834
 835                 wl_list_insert(&ivi->outputs, &ivi_output->link);
 836                 ivi_output_configure_app_id(ivi_output);
 837         }
 838 }
 839
 840 static int
 841 load_remoting_plugin(struct ivi_compositor *ivi, struct weston_config *config)
 842 {
 843         struct weston_compositor *compositor = ivi->compositor;
 844         int (*module_init)(struct weston_compositor *wc);
 845
 846         module_init = weston_load_module("remoting-plugin.so",
 847                                          "weston_module_init");
 848         if (!module_init)
 849                 return -1;
 850
 851         if (module_init(compositor) < 0)
 852                 return -1;
 853
 854         ivi->remoting_api = weston_remoting_get_api(compositor);
 855         if (!ivi->remoting_api)
 856                 return -1;
 857         return 0;
 858 }
 859 #else
 860 static int
 861 load_remoting_plugin(struct weston_compositor *compositor, struct weston_config *config)
 862 {
 863         return -1;
 864 }
 865 #endif
 866
 867 static int
 868 load_drm_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
 869 {
 870         struct weston_drm_backend_config config = {
 871                 .base = {
 872                         .struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION,
 873                         .struct_size = sizeof config,
 874                 },
 875         };
 876         struct weston_config_section *section;
 877         int use_current_mode = 0;
 878         int use_pixman = 0;
 879         bool use_shadow;
 880         int ret;
 881
 882         const struct weston_option options[] = {
 883                 { WESTON_OPTION_STRING, "seat", 0, &config.seat_id },
 884                 { WESTON_OPTION_INTEGER, "tty", 0, &config.tty },
 885                 { WESTON_OPTION_STRING, "drm-device", 0, &config.specific_device },
 886                 { WESTON_OPTION_BOOLEAN, "current-mode", 0, &use_current_mode },
 887                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
 888         };
 889
 890         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 891         config.use_pixman = use_pixman;
 892         ivi->cmdline.use_current_mode = use_current_mode;
 893
 894         section = weston_config_get_section(ivi->config, "core", NULL, NULL);
 895         weston_config_section_get_string(section, "gbm-format",
 896                                          &config.gbm_format, NULL);
 897         weston_config_section_get_uint(section, "pageflip-timeout",
 898                                        &config.pageflip_timeout, 0);
 899         weston_config_section_get_bool(section, "pixman-shadow", &use_shadow, 1);
 900         config.use_pixman_shadow = use_shadow;
 901
 902         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_DRM,
 903                                              &config.base);
 904         if (ret < 0)
 905                 return ret;
 906
 907         ivi->drm_api = weston_drm_output_get_api(ivi->compositor);
 908         if (!ivi->drm_api) {
 909                 weston_log("Cannot use drm output api.\n");
 910                 ret = -1;
 911                 goto error;
 912         }
 913
 914         load_remoting_plugin(ivi, ivi->config);
 915         load_waltham_plugin(ivi, ivi->config);
 916
 917 error:
 918         free(config.gbm_format);
 919         free(config.seat_id);
 920         return ret;
 921 }
 922
 923 static void
 924 windowed_parse_common_options(struct ivi_compositor *ivi, int *argc, char *argv[],
 925                               bool *use_pixman, bool *fullscreen, int *output_count)
 926 {
 927         struct weston_config_section *section;
 928         bool pixman;
 929         int fs = 0;
 930
 931         const struct weston_option options[] = {
 932                 { WESTON_OPTION_INTEGER, "width", 0, &ivi->cmdline.width },
 933                 { WESTON_OPTION_INTEGER, "height", 0, &ivi->cmdline.height },
 934                 { WESTON_OPTION_INTEGER, "scale", 0, &ivi->cmdline.scale },
 935                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &pixman },
 936                 { WESTON_OPTION_BOOLEAN, "fullscreen", 0, &fs },
 937                 { WESTON_OPTION_INTEGER, "output-count", 0, output_count },
 938         };
 939
 940         section = weston_config_get_section(ivi->config, "core", NULL, NULL);
 941         weston_config_section_get_bool(section, "use-pixman", &pixman, 0);
 942
 943         *output_count = 1;
 944         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 945         *use_pixman = pixman;
 946         *fullscreen = fs;
 947 }
 948
 949 static int
 950 windowed_create_outputs(struct ivi_compositor *ivi, int output_count,
 951                         const char *match_prefix, const char *name_prefix)
 952 {
 953         struct weston_config_section *section = NULL;
 954         const char *section_name;
 955         char *default_output = NULL;
 956         int i = 0;
 957         size_t match_len = strlen(match_prefix);
 958
 959         while (weston_config_next_section(ivi->config, &section, &section_name)) {
 960                 char *output_name;
 961
 962                 if (i >= output_count)
 963                         break;
 964
 965                 if (strcmp(section_name, "output") != 0)
 966                         continue;
 967
 968                 weston_config_section_get_string(section, "name", &output_name, NULL);
 969                 if (output_name == NULL)
 970                         continue;
 971                 if (strncmp(output_name, match_prefix, match_len) != 0) {
 972                         free(output_name);
 973                         continue;
 974                 }
 975
 976                 if (ivi->window_api->create_head(ivi->compositor, output_name) < 0) {
 977                         free(output_name);
 978                         return -1;
 979                 }
 980
 981                 free(output_name);
 982                 ++i;
 983         }
 984
 985         for (; i < output_count; ++i) {
 986                 if (asprintf(&default_output, "%s%d", name_prefix, i) < 0)
 987                         return -1;
 988
 989                 if (ivi->window_api->create_head(ivi->compositor, default_output) < 0) {
 990                         free(default_output);
 991                         return -1;
 992                 }
 993
 994                 free(default_output);
 995         }
 996
 997         return 0;
 998 }
 999
1000 static int
1001 load_wayland_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1002 {
1003         struct weston_wayland_backend_config config = {
1004                 .base = {
1005                         .struct_version = WESTON_WAYLAND_BACKEND_CONFIG_VERSION,
1006                         .struct_size = sizeof config,
1007                 },
1008         };
1009         struct weston_config_section *section;
1010         int sprawl = 0;
1011         int output_count;
1012         int ret;
1013
1014         const struct weston_option options[] = {
1015                 { WESTON_OPTION_STRING, "display", 0, &config.display_name },
1016                 { WESTON_OPTION_STRING, "sprawl", 0, &sprawl },
1017         };
1018
1019         windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
1020                                       &config.fullscreen, &output_count);
1021
1022         parse_options(options, ARRAY_LENGTH(options), argc, argv);
1023         config.sprawl = sprawl;
1024
1025         section = weston_config_get_section(ivi->config, "shell", NULL, NULL);
1026         weston_config_section_get_string(section, "cursor-theme",
1027                                          &config.cursor_theme, NULL);
1028         weston_config_section_get_int(section, "cursor-size",
1029                                       &config.cursor_size, 32);
1030
1031         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_WAYLAND,
1032                                              &config.base);
1033
1034         free(config.cursor_theme);
1035         free(config.display_name);
1036
1037         if (ret < 0)
1038                 return ret;
1039
1040         ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
1041
1042         /*
1043          * We will just assume if load_backend() finished cleanly and
1044          * windowed_output_api is not present that wayland backend is started
1045          * with --sprawl or runs on fullscreen-shell. In this case, all values
1046          * are hardcoded, so nothing can be configured; simply create and
1047          * enable an output.
1048          */
1049         if (ivi->window_api == NULL)
1050                 return 0;
1051
1052         return windowed_create_outputs(ivi, output_count, "WL", "wayland");
1053 }
1054
1055 #ifdef HAVE_BACKEND_X11
1056 static int
1057 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1058 {
1059         struct weston_x11_backend_config config = {
1060                 .base = {
1061                         .struct_version = WESTON_X11_BACKEND_CONFIG_VERSION,
1062                         .struct_size = sizeof config,
1063                 },
1064         };
1065         int no_input = 0;
1066         int output_count;
1067         int ret;
1068
1069         const struct weston_option options[] = {
1070                { WESTON_OPTION_BOOLEAN, "no-input", 0, &no_input },
1071         };
1072
1073         windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
1074                                       &config.fullscreen, &output_count);
1075
1076         parse_options(options, ARRAY_LENGTH(options), argc, argv);
1077         config.no_input = no_input;
1078
1079         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_X11,
1080                                              &config.base);
1081
1082         if (ret < 0)
1083                 return ret;
1084
1085         ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
1086         if (!ivi->window_api) {
1087                 weston_log("Cannot use weston_windowed_output_api.\n");
1088                 return -1;
1089         }
1090
1091         return windowed_create_outputs(ivi, output_count, "X", "screen");
1092 }
1093 #else
1094 static int
1095 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1096 {
1097         return -1;
1098 }
1099 #endif
1100
1101 #ifdef HAVE_BACKEND_HEADLESS
1102 static int
1103 load_headless_backend(struct ivi_compositor *ivi, int *argc, char **argv)
1104 {
1105         struct weston_headless_backend_config config = {};
1106         int ret = 0;
1107
1108         bool use_pixman;
1109         bool fullscreen;
1110         bool use_gl;
1111         int output_count;
1112
1113         struct weston_compositor *c = ivi->compositor;
1114
1115         const struct weston_option options[] = {
1116                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
1117                 { WESTON_OPTION_BOOLEAN, "use-gl", 0, &use_gl },
1118         };
1119
1120         windowed_parse_common_options(ivi, argc, argv, &use_pixman,
1121                         &fullscreen, &output_count);
1122
1123         parse_options(options, ARRAY_LENGTH(options), argc, argv);
1124         config.use_pixman = use_pixman;
1125         config.use_gl = use_gl;
1126
1127         config.base.struct_version = WESTON_HEADLESS_BACKEND_CONFIG_VERSION;
1128         config.base.struct_size = sizeof(struct weston_headless_backend_config);
1129
1130         /* load the actual headless-backend and configure it */
1131         ret = weston_compositor_load_backend(c, WESTON_BACKEND_HEADLESS,
1132                                              &config.base);
1133         if (ret < 0)
1134                 return ret;
1135
1136         ivi->window_api = weston_windowed_output_get_api(c);
1137         if (!ivi->window_api) {
1138                 weston_log("Cannot use weston_windowed_output_api.\n");
1139                 return -1;
1140         }
1141
1142         if (ivi->window_api->create_head(c, "headless") < 0) {
1143                 weston_log("Cannot create headless back-end\n");
1144                 return -1;
1145         }
1146
1147         return 0;
1148 }
1149 #else
1150 static int
1151 load_headless_backend(struct ivi_compositor *ivi, int *argc, char **argv)
1152 {
1153         return -1;
1154 }
1155 #endif
1156
1157 static int
1158 load_backend(struct ivi_compositor *ivi, const char *backend,
1159              int *argc, char *argv[])
1160 {
1161         if (strcmp(backend, "drm-backend.so") == 0) {
1162                 return load_drm_backend(ivi, argc, argv);
1163         } else if (strcmp(backend, "wayland-backend.so") == 0) {
1164                 return load_wayland_backend(ivi, argc, argv);
1165         } else if (strcmp(backend, "x11-backend.so") == 0) {
1166                 return load_x11_backend(ivi, argc, argv);
1167         } else if (strcmp(backend, "headless-backend.so") == 0) {
1168                 return load_headless_backend(ivi, argc, argv);
1169         }
1170
1171         weston_log("fatal: unknown backend '%s'.\n", backend);
1172         return -1;
1173 }
1174
1175 static int
1176 load_modules(struct ivi_compositor *ivi, const char *modules,
1177              int *argc, char *argv[], bool *xwayland)
1178 {
1179         const char *p, *end;
1180         char buffer[256];
1181         int (*module_init)(struct weston_compositor *wc, int argc, char *argv[]);
1182
1183         if (modules == NULL)
1184                 return 0;
1185
1186         p = modules;
1187         while (*p) {
1188                 end = strchrnul(p, ',');
1189                 snprintf(buffer, sizeof buffer, "%.*s", (int) (end - p), p);
1190
1191                 if (strstr(buffer, "xwayland.so")) {
1192                         weston_log("Xwayland plug-in not supported!\n");
1193                         p = end;
1194                         while (*p == ',')
1195                                 p++;
1196                         continue;
1197                 }
1198
1199                 if (strstr(buffer, "systemd-notify.so")) {
1200                         weston_log("systemd-notify plug-in already loaded!\n");
1201                         p = end;
1202                         while (*p == ',')
1203                                 p++;
1204                         continue;
1205                 }
1206
1207                 module_init = weston_load_module(buffer, "wet_module_init");
1208                 if (!module_init)
1209                         return -1;
1210
1211                 if (module_init(ivi->compositor, *argc, argv) < 0)
1212                         return -1;
1213
1214                 p = end;
1215                 while (*p == ',')
1216                         p++;
1217         }
1218
1219         return 0;
1220 }
1221
1222
1223 static char *
1224 choose_default_backend(void)
1225 {
1226         char *backend = NULL;
1227
1228         if (getenv("WAYLAND_DISPLAY") || getenv("WAYLAND_SOCKET"))
1229                 backend = strdup("wayland-backend.so");
1230         else if (getenv("DISPLAY"))
1231                 backend = strdup("x11-backend.so");
1232         else
1233                 backend = strdup("drm-backend.so");
1234
1235         return backend;
1236 }
1237
1238 static int
1239 compositor_init_config(struct weston_compositor *compositor,
1240                        struct weston_config *config)
1241 {
1242         struct xkb_rule_names xkb_names;
1243         struct weston_config_section *section;
1244         int repaint_msec;
1245         bool vt_switching;
1246         bool require_input;
1247
1248         /* agl-compositor.ini [keyboard] */
1249         section = weston_config_get_section(config, "keyboard", NULL, NULL);
1250         weston_config_section_get_string(section, "keymap_rules",
1251                                          (char **) &xkb_names.rules, NULL);
1252         weston_config_section_get_string(section, "keymap_model",
1253                                          (char **) &xkb_names.model, NULL);
1254         weston_config_section_get_string(section, "keymap_layout",
1255                                          (char **) &xkb_names.layout, NULL);
1256         weston_config_section_get_string(section, "keymap_variant",
1257                                          (char **) &xkb_names.variant, NULL);
1258         weston_config_section_get_string(section, "keymap_options",
1259                                          (char **) &xkb_names.options, NULL);
1260
1261         if (weston_compositor_set_xkb_rule_names(compositor, &xkb_names) < 0)
1262                 return -1;
1263
1264         weston_config_section_get_int(section, "repeat-rate",
1265                                       &compositor->kb_repeat_rate, 40);
1266         weston_config_section_get_int(section, "repeat-delay",
1267                                       &compositor->kb_repeat_delay, 400);
1268
1269         weston_config_section_get_bool(section, "vt-switching",
1270                                        &vt_switching, false);
1271         compositor->vt_switching = vt_switching;
1272
1273         /* agl-compositor.ini [core] */
1274         section = weston_config_get_section(config, "core", NULL, NULL);
1275
1276         weston_config_section_get_bool(section, "require-input", &require_input, true);
1277         compositor->require_input = require_input;
1278
1279         weston_config_section_get_int(section, "repaint-window", &repaint_msec,
1280                                       compositor->repaint_msec);
1281         if (repaint_msec < -10 || repaint_msec > 1000) {
1282                 weston_log("Invalid repaint_window value in config: %d\n",
1283                            repaint_msec);
1284         } else {
1285                 compositor->repaint_msec = repaint_msec;
1286         }
1287         weston_log("Output repaint window is %d ms maximum.\n",
1288                    compositor->repaint_msec);
1289
1290         return 0;
1291 }
1292
1293 struct ivi_surface *
1294 to_ivi_surface(struct weston_surface *surface)
1295 {
1296         struct weston_desktop_surface *dsurface;
1297
1298         dsurface = weston_surface_get_desktop_surface(surface);
1299         if (!dsurface)
1300                 return NULL;
1301
1302         return weston_desktop_surface_get_user_data(dsurface);
1303 }
1304
1305 static void
1306 activate_binding(struct weston_seat *seat,
1307                  struct weston_view *focus_view)
1308 {
1309         struct weston_surface *focus = focus_view->surface;
1310         struct weston_surface *main_surface =
1311                 weston_surface_get_main_surface(focus);
1312         struct ivi_surface *surface;
1313
1314         surface = to_ivi_surface(main_surface);
1315         if (!surface)
1316                 return;
1317
1318         weston_seat_set_keyboard_focus(seat, focus);
1319 }
1320
1321 static void
1322 click_to_activate_binding(struct weston_pointer *pointer,
1323                           const struct timespec *time,
1324                           uint32_t button, void *data)
1325 {
1326         if (pointer->grab != &pointer->default_grab)
1327                 return;
1328         if (pointer->focus == NULL)
1329                 return;
1330
1331         activate_binding(pointer->seat, pointer->focus);
1332 }
1333
1334 static void
1335 touch_to_activate_binding(struct weston_touch *touch,
1336                           const struct timespec *time,
1337                           void *data)
1338 {
1339         if (touch->grab != &touch->default_grab)
1340                 return;
1341         if (touch->focus == NULL)
1342                 return;
1343
1344         activate_binding(touch->seat, touch->focus);
1345 }
1346
1347 static void
1348 add_bindings(struct weston_compositor *compositor)
1349 {
1350         weston_compositor_add_button_binding(compositor, BTN_LEFT, 0,
1351                                              click_to_activate_binding,
1352                                              NULL);
1353         weston_compositor_add_button_binding(compositor, BTN_RIGHT, 0,
1354                                              click_to_activate_binding,
1355                                              NULL);
1356         weston_compositor_add_touch_binding(compositor, 0,
1357                                             touch_to_activate_binding,
1358                                             NULL);
1359 }
1360
1361 static int
1362 create_listening_socket(struct wl_display *display, const char *socket_name)
1363 {
1364         if (socket_name) {
1365                 if (wl_display_add_socket(display, socket_name)) {
1366                         weston_log("fatal: failed to add socket: %s\n",
1367                                    strerror(errno));
1368                         return -1;
1369                 }
1370         } else {
1371                 socket_name = wl_display_add_socket_auto(display);
1372                 if (!socket_name) {
1373                         weston_log("fatal: failed to add socket: %s\n",
1374                                    strerror(errno));
1375                         return -1;
1376                 }
1377         }
1378
1379         setenv("WAYLAND_DISPLAY", socket_name, 1);
1380
1381         return 0;
1382 }
1383
1384 static bool
1385 global_filter(const struct wl_client *client, const struct wl_global *global,
1386               void *data)
1387 {
1388         return true;
1389 }
1390
1391 static int
1392 load_config(struct weston_config **config, bool no_config,
1393             const char *config_file)
1394 {
1395         const char *file = "agl-compositor.ini";
1396         const char *full_path;
1397
1398         if (config_file)
1399                 file = config_file;
1400
1401         if (!no_config)
1402                 *config = weston_config_parse(file);
1403
1404         if (*config) {
1405                 full_path = weston_config_get_full_path(*config);
1406
1407                 weston_log("Using config file '%s'.\n", full_path);
1408                 setenv(WESTON_CONFIG_FILE_ENV_VAR, full_path, 1);
1409
1410                 return 0;
1411         }
1412
1413         if (config_file && !no_config) {
1414                 weston_log("fatal: error opening or reading config file '%s'.\n",
1415                         config_file);
1416
1417                 return -1;
1418         }
1419
1420         weston_log("Starting with no config file.\n");
1421         setenv(WESTON_CONFIG_FILE_ENV_VAR, "", 1);
1422
1423         return 0;
1424 }
1425
1426 static FILE *logfile;
1427
1428 static char *
1429 log_timestamp(char *buf, size_t len)
1430 {
1431         struct timeval tv;
1432         struct tm *brokendown_time;
1433         char datestr[128];
1434         char timestr[128];
1435
1436         gettimeofday(&tv, NULL);
1437
1438         brokendown_time = localtime(&tv.tv_sec);
1439         if (brokendown_time == NULL) {
1440                 snprintf(buf, len, "%s", "[(NULL)localtime] ");
1441                 return buf;
1442         }
1443
1444         memset(datestr, 0, sizeof(datestr));
1445         if (brokendown_time->tm_mday != cached_tm_mday) {
1446                 strftime(datestr, sizeof(datestr), "Date: %Y-%m-%d %Z\n",
1447                                 brokendown_time);
1448                 cached_tm_mday = brokendown_time->tm_mday;
1449         }
1450
1451         strftime(timestr, sizeof(timestr), "%H:%M:%S", brokendown_time);
1452         /* if datestr is empty it prints only timestr*/
1453         snprintf(buf, len, "%s[%s.%03li]", datestr,
1454                         timestr, (tv.tv_usec / 1000));
1455
1456         return buf;
1457 }
1458
1459 static void
1460 custom_handler(const char *fmt, va_list arg)
1461 {
1462         char timestr[512];
1463
1464         weston_log_scope_printf(log_scope, "%s libwayland: ",
1465                         log_timestamp(timestr, sizeof(timestr)));
1466         weston_log_scope_vprintf(log_scope, fmt, arg);
1467 }
1468
1469 static void
1470 log_file_open(const char *filename)
1471 {
1472         wl_log_set_handler_server(custom_handler);
1473
1474         if (filename)
1475                 logfile = fopen(filename, "a");
1476
1477         if (!logfile) {
1478                 logfile = stderr;
1479         } else {
1480                 os_fd_set_cloexec(fileno(logfile));
1481                 setvbuf(logfile, NULL, _IOLBF, 256);
1482         }
1483 }
1484
1485 static void
1486 log_file_close(void)
1487 {
1488         if (logfile && logfile != stderr)
1489                 fclose(logfile);
1490         logfile = stderr;
1491 }
1492
1493 static int
1494 vlog(const char *fmt, va_list ap)
1495 {
1496         const char *oom = "Out of memory";
1497         char timestr[128];
1498         int len = 0;
1499         char *str;
1500
1501         if (weston_log_scope_is_enabled(log_scope)) {
1502                 int len_va;
1503                 char *xlog_timestamp = log_timestamp(timestr, sizeof(timestr));
1504                 len_va = vasprintf(&str, fmt, ap);
1505                 if (len_va >= 0) {
1506                         len = weston_log_scope_printf(log_scope, "%s %s",
1507                                         xlog_timestamp, str);
1508                         free(str);
1509                 } else {
1510                         len = weston_log_scope_printf(log_scope, "%s %s",
1511                                         xlog_timestamp, oom);
1512                 }
1513         }
1514
1515         return len;
1516 }
1517
1518
1519 static int
1520 vlog_continue(const char *fmt, va_list ap)
1521 {
1522         return weston_log_scope_vprintf(log_scope, fmt, ap);
1523 }
1524
1525 static int
1526 on_term_signal(int signo, void *data)
1527 {
1528         struct wl_display *display = data;
1529
1530         weston_log("caught signal %d\n", signo);
1531         wl_display_terminate(display);
1532
1533         return 1;
1534 }
1535
1536 static void
1537 handle_exit(struct weston_compositor *compositor)
1538 {
1539         wl_display_terminate(compositor->wl_display);
1540 }
1541
1542 static void
1543 usage(int error_code)
1544 {
1545         FILE *out = error_code == EXIT_SUCCESS ? stdout : stderr;
1546         fprintf(out,
1547                 "Usage: agl-compositor [OPTIONS]\n"
1548                 "\n"
1549                 "This is " PACKAGE_STRING ", the reference compositor for\n"
1550                 "Automotive Grade Linux. " PACKAGE_STRING " supports multiple "
1551                 "backends,\nand depending on which backend is in use different "
1552                 "options will be accepted.\n"
1553                 "\n"
1554                 "Core options:\n"
1555                 "\n"
1556                 "  --version\t\tPrint agl-compositor version\n"
1557                 "  -B, --backend=MODULE\tBackend module, one of\n"
1558                         "\t\t\t\tdrm-backend.so\n"
1559                         "\t\t\t\twayland-backend.so\n"
1560                         "\t\t\t\tx11-backend.so\n"
1561                         "\t\t\t\theadless-backend.so\n"
1562                 "  -S, --socket=NAME\tName of socket to listen on\n"
1563                 "  --log=FILE\t\tLog to the given file\n"
1564                 "  -c, --config=FILE\tConfig file to load, defaults to agl-compositor.ini\n"
1565                 "  --no-config\t\tDo not read agl-compositor.ini\n"
1566                 "  --debug\t\tEnable debug extension(s)\n"
1567                 "  -h, --help\t\tThis help message\n"
1568                 "\n");
1569         exit(error_code);
1570 }
1571
1572 static char *
1573 copy_command_line(int argc, char * const argv[])
1574 {
1575         FILE *fp;
1576         char *str = NULL;
1577         size_t size = 0;
1578         int i;
1579
1580         fp = open_memstream(&str, &size);
1581         if (!fp)
1582                 return NULL;
1583
1584         fprintf(fp, "%s", argv[0]);
1585         for (i = 1; i < argc; i++)
1586                 fprintf(fp, " %s", argv[i]);
1587         fclose(fp);
1588
1589         return str;
1590 }
1591
1592 WL_EXPORT
1593 int wet_main(int argc, char *argv[], const struct weston_testsuite_data *test_data)
1594 {
1595         struct ivi_compositor ivi = { 0 };
1596         char *cmdline;
1597         struct wl_display *display = NULL;
1598         struct wl_event_loop *loop;
1599         struct wl_event_source *signals[3] = { 0 };
1600         struct weston_config_section *section;
1601         /* Command line options */
1602         char *backend = NULL;
1603         char *socket_name = NULL;
1604         char *log = NULL;
1605         char *modules = NULL;
1606         char *option_modules = NULL;
1607         int help = 0;
1608         int version = 0;
1609         int no_config = 0;
1610         int debug = 0;
1611         char *config_file = NULL;
1612         struct weston_log_context *log_ctx = NULL;
1613         struct weston_log_subscriber *logger;
1614         int ret = EXIT_FAILURE;
1615         bool xwayland = false;
1616
1617         const struct weston_option core_options[] = {
1618                 { WESTON_OPTION_STRING, "backend", 'B', &backend },
1619                 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
1620                 { WESTON_OPTION_STRING, "log", 0, &log },
1621                 { WESTON_OPTION_BOOLEAN, "help", 'h', &help },
1622                 { WESTON_OPTION_BOOLEAN, "version", 0, &version },
1623                 { WESTON_OPTION_BOOLEAN, "no-config", 0, &no_config },
1624                 { WESTON_OPTION_BOOLEAN, "debug", 0, &debug },
1625                 { WESTON_OPTION_STRING, "config", 'c', &config_file },
1626                 { WESTON_OPTION_STRING, "modules", 0, &option_modules },
1627         };
1628
1629         wl_list_init(&ivi.outputs);
1630         wl_list_init(&ivi.surfaces);
1631         wl_list_init(&ivi.pending_surfaces);
1632         wl_list_init(&ivi.popup_pending_apps);
1633         wl_list_init(&ivi.fullscreen_pending_apps);
1634         wl_list_init(&ivi.split_pending_apps);
1635         wl_list_init(&ivi.remote_pending_apps);
1636         wl_list_init(&ivi.desktop_clients);
1637
1638         /* Prevent any clients we spawn getting our stdin */
1639         os_fd_set_cloexec(STDIN_FILENO);
1640
1641         cmdline = copy_command_line(argc, argv);
1642         parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv);
1643
1644         if (help)
1645                 usage(EXIT_SUCCESS);
1646
1647         if (version) {
1648                 printf(PACKAGE_STRING "\n");
1649                 ret = EXIT_SUCCESS;
1650                 goto exit_signals;
1651         }
1652
1653         log_ctx = weston_log_ctx_create();
1654         if (!log_ctx) {
1655                 fprintf(stderr, "Failed to initialize weston debug framework.\n");
1656                 goto exit_signals;
1657         }
1658
1659         log_scope = weston_log_ctx_add_log_scope(log_ctx, "log",
1660                                                  "agl-compositor log\n",
1661                                                  NULL, NULL, NULL);
1662
1663         log_file_open(log);
1664         weston_log_set_handler(vlog, vlog_continue);
1665
1666         logger = weston_log_subscriber_create_log(logfile);
1667         weston_log_subscribe(log_ctx, logger, "log");
1668
1669         weston_log("Command line: %s\n", cmdline);
1670         free(cmdline);
1671
1672         if (load_config(&ivi.config, no_config, config_file) < 0)
1673                 goto error_signals;
1674         section = weston_config_get_section(ivi.config, "core", NULL, NULL);
1675         if (!backend) {
1676                 weston_config_section_get_string(section, "backend", &backend,
1677                                                  NULL);
1678                 if (!backend)
1679                         backend = choose_default_backend();
1680         }
1681         /* from [core] */
1682         weston_config_section_get_bool(section, "hide-cursor",
1683                                        &ivi.hide_cursor, false);
1684         weston_config_section_get_bool(section, "activate-by-default",
1685                                        &ivi.activate_by_default, true);
1686
1687         display = wl_display_create();
1688         loop = wl_display_get_event_loop(display);
1689
1690         wl_display_set_global_filter(display,
1691                                      global_filter, &ivi);
1692
1693         /* Register signal handlers so we shut down cleanly */
1694
1695         signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
1696                                               display);
1697         signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
1698                                               display);
1699         signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
1700                                               display);
1701
1702         for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1703                 if (!signals[i])
1704                         goto error_signals;
1705
1706         ivi.compositor = weston_compositor_create(display, log_ctx, &ivi, test_data);
1707         if (!ivi.compositor) {
1708                 weston_log("fatal: failed to create compositor.\n");
1709                 goto error_signals;
1710         }
1711
1712         if (compositor_init_config(ivi.compositor, ivi.config) < 0)
1713                 goto error_compositor;
1714
1715         if (load_backend(&ivi, backend, &argc, argv) < 0) {
1716                 weston_log("fatal: failed to create compositor backend.\n");
1717                 goto error_compositor;
1718         }
1719
1720         ivi.heads_changed.notify = heads_changed;
1721         weston_compositor_add_heads_changed_listener(ivi.compositor,
1722                                                      &ivi.heads_changed);
1723
1724         if (ivi_desktop_init(&ivi) < 0)
1725                 goto error_compositor;
1726
1727         ivi_seat_init(&ivi);
1728
1729         /* load additional modules */
1730         weston_config_section_get_string(section, "modules", &modules, "");
1731         if (load_modules(&ivi, modules, &argc, argv, &xwayland) < 0)
1732                 goto error_compositor;
1733
1734         if (load_modules(&ivi, option_modules, &argc, argv, &xwayland) < 0)
1735                 goto error_compositor;
1736
1737         if (ivi_policy_init(&ivi) < 0)
1738                 goto error_compositor;
1739
1740         if (ivi_shell_init(&ivi) < 0)
1741                 goto error_compositor;
1742
1743         add_bindings(ivi.compositor);
1744
1745         weston_compositor_flush_heads_changed(ivi.compositor);
1746
1747         if (ivi.remoting_api)
1748                 ivi_enable_remote_outputs(&ivi);
1749
1750         if (ivi.waltham_transmitter_api)
1751                 ivi_enable_waltham_outputs(&ivi);
1752
1753         if (create_listening_socket(display, socket_name) < 0)
1754                 goto error_compositor;
1755
1756         ivi_shell_init_black_fs(&ivi);
1757
1758         ivi.compositor->exit = handle_exit;
1759
1760         weston_compositor_wake(ivi.compositor);
1761
1762         ivi_shell_create_global(&ivi);
1763         ivi_launch_shell_client(&ivi);
1764         if (debug)
1765                 ivi_screenshooter_create(&ivi);
1766         ivi_agl_systemd_notify(&ivi);
1767
1768         wl_display_run(display);
1769
1770         ret = ivi.compositor->exit_code;
1771
1772         wl_display_destroy_clients(display);
1773
1774 error_compositor:
1775         free(backend);
1776         backend = NULL;
1777         free(modules);
1778         modules = NULL;
1779
1780         weston_compositor_destroy(ivi.compositor);
1781
1782         weston_log_scope_destroy(log_scope);
1783         log_scope = NULL;
1784
1785         weston_log_subscriber_destroy(logger);
1786         weston_log_ctx_destroy(log_ctx);
1787
1788         ivi_policy_destroy(ivi.policy);
1789
1790 error_signals:
1791         for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1792                 if (signals[i])
1793                         wl_event_source_remove(signals[i]);
1794
1795         wl_display_destroy(display);
1796
1797         log_file_close();
1798         if (ivi.config)
1799                 weston_config_destroy(ivi.config);
1800
1801 exit_signals:
1802         free(log);
1803         free(config_file);
1804         free(socket_name);
1805         free(option_modules);
1806         return ret;
1807 }