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         output->output = NULL;
  90         wl_list_remove(&output->output_destroy.link);
  91 }
  92
  93 struct ivi_output *
  94 to_ivi_output(struct weston_output *o)
  95 {
  96         struct wl_listener *listener;
  97         struct ivi_output *output;
  98
  99         listener = weston_output_get_destroy_listener(o, handle_output_destroy);
 100         output = wl_container_of(listener, output, output_destroy);
 101
 102         return output;
 103 }
 104
 105 static void
 106 ivi_output_configure_app_id(struct ivi_output *ivi_output)
 107 {
 108         if (ivi_output->config) {
 109                 if (ivi_output->app_id != NULL)
 110                         return;
 111
 112                 weston_config_section_get_string(ivi_output->config,
 113                                                  "agl-shell-app-id",
 114                                                  &ivi_output->app_id,
 115                                                  NULL);
 116
 117                 if (ivi_output->app_id == NULL)
 118                         return;
 119
 120                 weston_log("Will place app_id %s on output %s\n",
 121                                 ivi_output->app_id, ivi_output->name);
 122         }
 123 }
 124
 125 static struct ivi_output *
 126 ivi_ensure_output(struct ivi_compositor *ivi, char *name,
 127                   struct weston_config_section *config)
 128 {
 129         struct ivi_output *output = NULL;
 130         wl_list_for_each(output, &ivi->outputs, link) {
 131                 if (strcmp(output->name, name) == 0) {
 132                         free(name);
 133                         return output;
 134                 }
 135         }
 136
 137         output = zalloc(sizeof *output);
 138         if (!output) {
 139                 free(name);
 140                 return NULL;
 141         }
 142
 143         output->ivi = ivi;
 144         output->name = name;
 145         output->config = config;
 146
 147         output->output = weston_compositor_create_output(ivi->compositor, name);
 148         if (!output->output) {
 149                 free(output->name);
 150                 free(output);
 151                 return NULL;
 152         }
 153
 154         output->output_destroy.notify = handle_output_destroy;
 155         weston_output_add_destroy_listener(output->output,
 156                                            &output->output_destroy);
 157
 158         wl_list_insert(&ivi->outputs, &output->link);
 159         ivi_output_configure_app_id(output);
 160         return output;
 161 }
 162
 163 static int
 164 count_heads(struct weston_output *output)
 165 {
 166         struct weston_head *iter = NULL;
 167         int n = 0;
 168
 169         while ((iter = weston_output_iterate_heads(output, iter)))
 170                 ++n;
 171
 172         return n;
 173 }
 174
 175 static void
 176 handle_head_destroy(struct wl_listener *listener, void *data)
 177 {
 178         struct weston_head *head = data;
 179         struct weston_output *output;
 180
 181         wl_list_remove(&listener->link);
 182         free(listener);
 183
 184         output = weston_head_get_output(head);
 185
 186         /* On shutdown path, the output might be already gone. */
 187         if (!output)
 188                 return;
 189
 190         /* We're the last head */
 191         if (count_heads(output) <= 1)
 192                 weston_output_destroy(output);
 193 }
 194
 195 static void
 196 add_head_destroyed_listener(struct weston_head *head)
 197 {
 198         /* We already have a destroy listener */
 199         if (weston_head_get_destroy_listener(head, handle_head_destroy))
 200                 return;
 201
 202         struct wl_listener *listener = zalloc(sizeof *listener);
 203         if (!listener)
 204                 return;
 205
 206         listener->notify = handle_head_destroy;
 207         weston_head_add_destroy_listener(head, listener);
 208 }
 209
 210 static int
 211 drm_configure_output(struct ivi_output *output)
 212 {
 213         struct ivi_compositor *ivi = output->ivi;
 214         struct weston_config_section *section = output->config;
 215         enum weston_drm_backend_output_mode mode =
 216                 WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
 217         char *modeline = NULL;
 218         char *gbm_format = NULL;
 219         char *seat = NULL;
 220
 221         if (section) {
 222                 char *m;
 223                 weston_config_section_get_string(section, "mode", &m, "preferred");
 224
 225                 /* This should have been handled earlier */
 226                 assert(strcmp(m, "off") != 0);
 227
 228                 if (ivi->cmdline.use_current_mode || strcmp(m, "current") == 0) {
 229                         mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
 230                 } else if (strcmp(m, "preferred") != 0) {
 231                         modeline = m;
 232                         m = NULL;
 233                 }
 234                 free(m);
 235
 236                 weston_config_section_get_string(section, "gbm-format",
 237                                                  &gbm_format, NULL);
 238
 239                 weston_config_section_get_string(section, "seat", &seat, "");
 240         }
 241
 242         if (ivi->drm_api->set_mode(output->output, mode, modeline) < 0) {
 243                 weston_log("Cannot configure output using weston_drm_output_api.\n");
 244                 free(modeline);
 245                 return -1;
 246         }
 247         free(modeline);
 248
 249         ivi->drm_api->set_gbm_format(output->output, gbm_format);
 250         free(gbm_format);
 251
 252         ivi->drm_api->set_seat(output->output, seat);
 253         free(seat);
 254
 255         return 0;
 256 }
 257
 258 #define WINDOWED_DEFAULT_WIDTH 1024
 259 #define WINDOWED_DEFAULT_HEIGHT 768
 260
 261 static int
 262 windowed_configure_output(struct ivi_output *output)
 263 {
 264         struct ivi_compositor *ivi = output->ivi;
 265         struct weston_config_section *section = output->config;
 266         int width = WINDOWED_DEFAULT_WIDTH;
 267         int height = WINDOWED_DEFAULT_HEIGHT;
 268
 269         if (section) {
 270                 char *mode;
 271
 272                 weston_config_section_get_string(section, "mode", &mode, NULL);
 273                 if (!mode || sscanf(mode, "%dx%d", &width, &height) != 2) {
 274                         weston_log("Invalid mode for output %s. Using defaults.\n",
 275                                    output->name);
 276                         width = WINDOWED_DEFAULT_WIDTH;
 277                         height = WINDOWED_DEFAULT_HEIGHT;
 278                 }
 279                 free(mode);
 280         }
 281
 282         if (ivi->cmdline.width)
 283                 width = ivi->cmdline.width;
 284         if (ivi->cmdline.height)
 285                 height = ivi->cmdline.height;
 286         if (ivi->cmdline.scale)
 287                 weston_output_set_scale(output->output, ivi->cmdline.scale);
 288
 289         if (ivi->window_api->output_set_size(output->output, width, height) < 0) {
 290                 weston_log("Cannot configure output '%s' using weston_windowed_output_api.\n",
 291                            output->name);
 292                 return -1;
 293         }
 294
 295         weston_log("Configured windowed_output_api to %dx%d\n", width, height);
 296
 297         return 0;
 298 }
 299
 300 static int
 301 parse_transform(const char *transform, uint32_t *out)
 302 {
 303         static const struct { const char *name; uint32_t token; } transforms[] = {
 304                 { "normal",             WL_OUTPUT_TRANSFORM_NORMAL },
 305                 { "rotate-90",          WL_OUTPUT_TRANSFORM_90 },
 306                 { "rotate-180",         WL_OUTPUT_TRANSFORM_180 },
 307                 { "rotate-270",         WL_OUTPUT_TRANSFORM_270 },
 308                 { "flipped",            WL_OUTPUT_TRANSFORM_FLIPPED },
 309                 { "flipped-rotate-90",  WL_OUTPUT_TRANSFORM_FLIPPED_90 },
 310                 { "flipped-rotate-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
 311                 { "flipped-rotate-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
 312         };
 313
 314         for (size_t i = 0; i < ARRAY_LENGTH(transforms); i++)
 315                 if (strcmp(transforms[i].name, transform) == 0) {
 316                         *out = transforms[i].token;
 317                         return 0;
 318                 }
 319
 320         *out = WL_OUTPUT_TRANSFORM_NORMAL;
 321         return -1;
 322 }
 323
 324 static int
 325 parse_activation_area(const char *geometry, struct ivi_output *output)
 326 {
 327         int n;
 328         unsigned width, height, x, y;
 329
 330         n = sscanf(geometry, "%ux%u+%u,%u", &width, &height, &x, &y);
 331         if (n != 4) {
 332                 return -1;
 333         }
 334         output->area_activation.width = width;
 335         output->area_activation.height = height;
 336         output->area_activation.x = x;
 337         output->area_activation.y = y;
 338         return 0;
 339 }
 340
 341 static int
 342 configure_output(struct ivi_output *output)
 343 {
 344         struct ivi_compositor *ivi = output->ivi;
 345         struct weston_config_section *section = output->config;
 346         int32_t scale = 1;
 347         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
 348
 349         /*
 350          * This can happen with the wayland backend with 'sprawl'. The config
 351          * is hard-coded, so we don't need to do anything.
 352          */
 353         if (!ivi->drm_api && !ivi->window_api)
 354                 return 0;
 355
 356         if (section) {
 357                 char *t;
 358
 359                 weston_config_section_get_int(section, "scale", &scale, 1);
 360                 weston_config_section_get_string(section, "transform", &t, "normal");
 361                 if (parse_transform(t, &transform) < 0)
 362                         weston_log("Invalid transform \"%s\" for output %s\n",
 363                                    t, output->name);
 364                 weston_config_section_get_string(section, "activation-area", &t, "");
 365                 if (parse_activation_area(t, output) < 0)
 366                         weston_log("Invalid activation-area \"%s\" for output %s\n",
 367                                    t, output->name);
 368                 free(t);
 369         }
 370
 371         weston_output_set_scale(output->output, scale);
 372         weston_output_set_transform(output->output, transform);
 373
 374         if (ivi->drm_api)
 375                 return drm_configure_output(output);
 376         else
 377                 return windowed_configure_output(output);
 378 }
 379
 380 /*
 381  * Reorgainizes the output's add array into two sections.
 382  * add[0..ret-1] are the heads that failed to get attached.
 383  * add[ret..add_len] are the heads that were successfully attached.
 384  *
 385  * The order between elements in each section is stable.
 386  */
 387 static size_t
 388 try_attach_heads(struct ivi_output *output)
 389 {
 390         size_t fail_len = 0;
 391
 392         for (size_t i = 0; i < output->add_len; ++i) {
 393                 if (weston_output_attach_head(output->output, output->add[i]) < 0) {
 394                         struct weston_head *tmp = output->add[i];
 395                         memmove(&output->add[fail_len + 1], output->add[fail_len],
 396                                 sizeof output->add[0] * (i - fail_len));
 397                         output->add[fail_len++] = tmp;
 398                 }
 399         }
 400
 401         return fail_len;
 402 }
 403
 404 /*
 405  * Like try_attach_heads, this reorganizes the output's add array into a failed
 406  * and successful section.
 407  * i is the number of heads that already failed the previous step.
 408  */
 409 static size_t
 410 try_enable_output(struct ivi_output *output, size_t i)
 411 {
 412         for (; i < output->add_len; ++i) {
 413                 struct weston_head *head;
 414
 415                 if (weston_output_enable(output->output) == 0)
 416                         break;
 417
 418                 head = output->add[output->add_len - 1];
 419                 memmove(&output->add[i + 1], &output->add[i],
 420                         sizeof output->add[0] * (output->add_len - i));
 421                 output->add[i] = head;
 422
 423                 weston_head_detach(head);
 424         }
 425
 426         return i;
 427 }
 428
 429 static int
 430 try_attach_enable_heads(struct ivi_output *output)
 431 {
 432         size_t fail_len;
 433         assert(!output->output->enabled);
 434
 435         fail_len = try_attach_heads(output);
 436
 437         if (configure_output(output) < 0)
 438                 return -1;
 439
 440         fail_len = try_enable_output(output, fail_len);
 441
 442         /* All heads failed to be attached */
 443         if (fail_len == output->add_len)
 444                 return -1;
 445
 446         /* For each successful head attached */
 447         for (size_t i = fail_len; i < output->add_len; ++i)
 448                 add_head_destroyed_listener(output->add[i]);
 449
 450         output->add_len = fail_len;
 451         return 0;
 452 }
 453
 454 static int
 455 process_output(struct ivi_output *output)
 456 {
 457         if (output->output->enabled) {
 458                 output->add_len = try_attach_heads(output);
 459                 return output->add_len == 0 ? 0 : -1;
 460         }
 461
 462         return try_attach_enable_heads(output);
 463 }
 464
 465 static void
 466 head_disable(struct ivi_compositor *ivi, struct weston_head *head)
 467 {
 468         struct weston_output *output;
 469         struct ivi_output *ivi_output;
 470         struct wl_listener *listener;
 471
 472         output = weston_head_get_output(head);
 473         assert(output);
 474
 475         listener = weston_output_get_destroy_listener(output,
 476                                                       handle_output_destroy);
 477         assert(listener);
 478
 479         ivi_output = wl_container_of(listener, ivi_output, output_destroy);
 480         assert(ivi_output->output == output);
 481
 482         weston_head_detach(head);
 483         if (count_heads(ivi_output->output) == 0) {
 484                 weston_output_disable(ivi_output->output);
 485         }
 486 }
 487
 488 static struct weston_config_section *
 489 find_controlling_output_config(struct weston_config *config,
 490                                const char *name)
 491 {
 492         struct weston_config_section *section;
 493         char *same_as;
 494         int depth = 0;
 495
 496         same_as = strdup(name);
 497         do {
 498                 section = weston_config_get_section(config, "output",
 499                                                     "name", same_as);
 500                 if (!section && depth > 0)
 501                         weston_log("Configuration error: output section reffered"
 502                                    "to by same-as=%s not found.\n", same_as);
 503                 free(same_as);
 504
 505                 if (!section)
 506                         return NULL;
 507
 508                 if (depth++ > 8) {
 509                         weston_log("Configuration error: same-as nested too "
 510                                    "deep for output '%s'.\n", name);
 511                         return NULL;
 512                 }
 513
 514                 weston_config_section_get_string(section, "same-as",
 515                                                  &same_as, NULL);
 516         } while (same_as);
 517
 518         return section;
 519 }
 520
 521 static void
 522 head_prepare_enable(struct ivi_compositor *ivi, struct weston_head *head)
 523 {
 524         const char *name = weston_head_get_name(head);
 525         struct weston_config_section *section;
 526         struct ivi_output *output;
 527         char *output_name = NULL;
 528
 529         section = find_controlling_output_config(ivi->config, name);
 530         if (section) {
 531                 char *mode;
 532
 533                 weston_config_section_get_string(section, "mode", &mode, NULL);
 534                 if (mode && strcmp(mode, "off") == 0) {
 535                         free(mode);
 536                         return;
 537                 }
 538                 free(mode);
 539
 540                 weston_config_section_get_string(section, "name",
 541                                                  &output_name, NULL);
 542         } else {
 543                 output_name = strdup(name);
 544         }
 545
 546         if (!output_name)
 547                 return;
 548
 549         output = ivi_ensure_output(ivi, output_name, section);
 550         if (!output)
 551                 return;
 552
 553         if (output->add_len >= ARRAY_LENGTH(output->add))
 554                 return;
 555
 556         output->add[output->add_len++] = head;
 557 }
 558
 559 static void
 560 heads_changed(struct wl_listener *listener, void *arg)
 561 {
 562         struct weston_compositor *compositor = arg;
 563         struct weston_head *head = NULL;
 564         struct ivi_compositor *ivi = to_ivi_compositor(compositor);
 565         struct ivi_output *output;
 566
 567         while ((head = weston_compositor_iterate_heads(ivi->compositor, head))) {
 568                 bool connected = weston_head_is_connected(head);
 569                 bool enabled = weston_head_is_enabled(head);
 570                 bool changed = weston_head_is_device_changed(head);
 571                 bool non_desktop = weston_head_is_non_desktop(head);
 572
 573                 if (connected && !enabled && !non_desktop)
 574                         head_prepare_enable(ivi, head);
 575                 else if (!connected && enabled)
 576                         head_disable(ivi, head);
 577                 else if (enabled && changed)
 578                         weston_log("Detected a monitor change on head '%s', "
 579                                    "not bothering to do anything about it.\n",
 580                                    weston_head_get_name(head));
 581
 582                 weston_head_reset_device_changed(head);
 583         }
 584
 585         wl_list_for_each(output, &ivi->outputs, link) {
 586                 if (output->add_len == 0)
 587                         continue;
 588
 589                 if (process_output(output) < 0) {
 590                         output->add_len = 0;
 591                         ivi->init_failed = true;
 592                 }
 593         }
 594 }
 595
 596 #ifdef HAVE_WALTHAM
 597 static int
 598 load_waltham_plugin(struct ivi_compositor *ivi, struct weston_config *config)
 599 {
 600         struct weston_compositor *compositor = ivi->compositor;
 601         int (*module_init)(struct weston_compositor *wc);
 602
 603         module_init = weston_load_module("waltham-transmitter.so",
 604                                          "wet_module_init");
 605         if (!module_init)
 606                 return -1;
 607
 608         if (module_init(compositor) < 0)
 609                 return -1;
 610
 611         ivi->waltham_transmitter_api = weston_get_transmitter_api(compositor);
 612         if (!ivi->waltham_transmitter_api) {
 613                 weston_log("Failed to load waltham-transmitter plugin.\n");
 614                 return -1;
 615         }
 616
 617         weston_log("waltham-transmitter plug-in loaded\n");
 618         return 0;
 619 }
 620 #else
 621 static int
 622 load_waltham_plugin(struct ivi_compositor *ivi, struct weston_config *config)
 623 {
 624         return -1;
 625 }
 626 #endif
 627
 628 #ifdef HAVE_REMOTING
 629 static int
 630 drm_backend_remoted_output_configure(struct weston_output *output,
 631                                      struct weston_config_section *section,
 632                                      char *modeline,
 633                                      const struct weston_remoting_api *api)
 634 {
 635         char *gbm_format = NULL;
 636         char *seat = NULL;
 637         char *host = NULL;
 638         char *pipeline = NULL;
 639         int port, ret;
 640         int32_t scale = 1;
 641         uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
 642         char *trans;
 643
 644         ret = api->set_mode(output, modeline);
 645         if (ret < 0) {
 646                 weston_log("Cannot configure an output \"%s\" using "
 647                                 "weston_remoting_api. Invalid mode\n",
 648                                 output->name);
 649                 return -1;
 650         }
 651
 652         weston_config_section_get_int(section, "scale", &scale, 1);
 653         weston_output_set_scale(output, scale);
 654
 655         weston_config_section_get_string(section, "transform", &trans, "normal");
 656         if (parse_transform(trans, &transform) < 0) {
 657                 weston_log("Invalid transform \"%s\" for output %s\n",
 658                            trans, output->name);
 659         }
 660         weston_output_set_transform(output, transform);
 661
 662         weston_config_section_get_string(section, "gbm-format",
 663                                          &gbm_format, NULL);
 664         api->set_gbm_format(output, gbm_format);
 665         free(gbm_format);
 666
 667         weston_config_section_get_string(section, "seat", &seat, "");
 668
 669         api->set_seat(output, seat);
 670         free(seat);
 671
 672         weston_config_section_get_string(section, "gst-pipeline", &pipeline,
 673                         NULL);
 674         if (pipeline) {
 675                 api->set_gst_pipeline(output, pipeline);
 676                 free(pipeline);
 677                 return 0;
 678         }
 679
 680         weston_config_section_get_string(section, "host", &host, NULL);
 681         weston_config_section_get_int(section, "port", &port, 0);
 682         if (!host || port <= 0 || 65533 < port) {
 683                 weston_log("Cannot configure an output \"%s\". "
 684                                 "Need to specify gst-pipeline or "
 685                                 "host and port (1-65533).\n", output->name);
 686         }
 687         api->set_host(output, host);
 688         free(host);
 689         api->set_port(output, port);
 690
 691         return 0;
 692 }
 693
 694
 695 static int
 696 remote_output_init(struct ivi_output *ivi_output,
 697                    struct weston_compositor *compositor,
 698                    struct weston_config_section *section,
 699                    const struct weston_remoting_api *api)
 700 {
 701         char *output_name, *modeline = NULL;
 702         int ret = -1;
 703
 704         weston_config_section_get_string(section, "name", &output_name, NULL);
 705         if (!output_name)
 706                 return ret;
 707
 708         weston_config_section_get_string(section, "mode", &modeline, "off");
 709         if (strcmp(modeline, "off") == 0)
 710                 goto err;
 711
 712         ivi_output->output = api->create_output(compositor, output_name);
 713         if (!ivi_output->output) {
 714                 weston_log("Cannot create remoted output \"%s\".\n",
 715                                 output_name);
 716                 goto err;
 717         }
 718
 719         ret = drm_backend_remoted_output_configure(ivi_output->output, section,
 720                                                    modeline, api);
 721         if (ret < 0) {
 722                 weston_log("Cannot configure remoted output \"%s\".\n",
 723                                 output_name);
 724                 goto err;
 725         }
 726
 727         if (weston_output_enable(ivi_output->output) < 0) {
 728                 weston_log("Enabling remoted output \"%s\" failed.\n",
 729                                 output_name);
 730                 goto err;
 731         }
 732
 733         free(modeline);
 734         free(output_name);
 735         weston_log("remoted output '%s' enabled\n", ivi_output->output->name);
 736
 737         return 0;
 738
 739 err:
 740         free(modeline);
 741         free(output_name);
 742         if (ivi_output->output)
 743                 weston_output_destroy(ivi_output->output);
 744
 745         return ret;
 746 }
 747
 748 static void
 749 ivi_enable_remote_outputs(struct ivi_compositor *ivi)
 750 {
 751         struct weston_config_section *remote_section = NULL;
 752         const char *section_name;
 753         struct weston_config *config = ivi->config;
 754
 755         while (weston_config_next_section(config, &remote_section, &section_name)) {
 756                 if (strcmp(section_name, "remote-output"))
 757                         continue;
 758
 759                 struct ivi_output *ivi_output = NULL;
 760                 bool output_found = false;
 761                 char *_name = NULL;
 762
 763                 weston_config_section_get_string(remote_section,
 764                                                  "name", &_name, NULL);
 765                 wl_list_for_each(ivi_output, &ivi->outputs, link) {
 766                         if (!strcmp(ivi_output->name, _name)) {
 767                                 output_found = true;
 768                                 break;
 769                         }
 770                 }
 771
 772                 if (output_found) {
 773                         free(_name);
 774                         continue;
 775                 }
 776
 777                 ivi_output = zalloc(sizeof(*ivi_output));
 778                 if (!ivi_output) {
 779                         free(_name);
 780                         continue;
 781                 }
 782
 783                 ivi_output->ivi = ivi;
 784                 ivi_output->name = _name;
 785                 ivi_output->config = remote_section;
 786                 ivi_output->type = OUTPUT_REMOTE;
 787
 788                 if (remote_output_init(ivi_output, ivi->compositor,
 789                                        remote_section, ivi->remoting_api)) {
 790                         free(ivi_output->name);
 791                         free(ivi_output);
 792                         continue;
 793                 }
 794
 795                 ivi_output->output_destroy.notify = handle_output_destroy;
 796                 weston_output_add_destroy_listener(ivi_output->output,
 797                                                    &ivi_output->output_destroy);
 798
 799                 wl_list_insert(&ivi->outputs, &ivi_output->link);
 800                 ivi_output_configure_app_id(ivi_output);
 801         }
 802 }
 803
 804 static void
 805 ivi_enable_waltham_outputs(struct ivi_compositor *ivi)
 806 {
 807         struct weston_config_section *transmitter_section = NULL;
 808         const char *sect_name;
 809         struct weston_config *config = ivi->config;
 810
 811         while (weston_config_next_section(config, &transmitter_section, &sect_name)) {
 812                 if (strcmp(sect_name, "transmitter-output"))
 813                         continue;
 814
 815                 struct ivi_output *ivi_output = NULL;
 816                 bool output_found = false;
 817                 char *_name = NULL;
 818
 819                 weston_config_section_get_string(transmitter_section,
 820                                 "name", &_name, NULL);
 821                 wl_list_for_each(ivi_output, &ivi->outputs, link) {
 822                         if (!strcmp(ivi_output->name, _name)) {
 823                                 output_found = true;
 824                                 break;
 825                         }
 826                 }
 827
 828                 if (output_found) {
 829                         free(_name);
 830                         continue;
 831                 }
 832
 833                 ivi_output = zalloc(sizeof(*ivi_output));
 834                 if (!ivi_output) {
 835                         free(_name);
 836                         continue;
 837                 }
 838
 839                 ivi_output->ivi = ivi;
 840                 ivi_output->name = _name;
 841                 ivi_output->config = transmitter_section;
 842
 843                 if (remote_output_init(ivi_output, ivi->compositor,
 844                                         transmitter_section, ivi->remoting_api)) {
 845                         free(ivi_output->name);
 846                         free(ivi_output);
 847                         continue;
 848                 }
 849
 850                 ivi_output->type = OUTPUT_WALTHAM;
 851                 ivi_output->output_destroy.notify = handle_output_destroy;
 852                 weston_output_add_destroy_listener(ivi_output->output,
 853                                 &ivi_output->output_destroy);
 854
 855                 wl_list_insert(&ivi->outputs, &ivi_output->link);
 856                 ivi_output_configure_app_id(ivi_output);
 857         }
 858 }
 859
 860 static int
 861 load_remoting_plugin(struct ivi_compositor *ivi, struct weston_config *config)
 862 {
 863         struct weston_compositor *compositor = ivi->compositor;
 864         int (*module_init)(struct weston_compositor *wc);
 865
 866         module_init = weston_load_module("remoting-plugin.so",
 867                                          "weston_module_init");
 868         if (!module_init)
 869                 return -1;
 870
 871         if (module_init(compositor) < 0)
 872                 return -1;
 873
 874         ivi->remoting_api = weston_remoting_get_api(compositor);
 875         if (!ivi->remoting_api)
 876                 return -1;
 877         return 0;
 878 }
 879 #else
 880 static int
 881 load_remoting_plugin(struct weston_compositor *compositor, struct weston_config *config)
 882 {
 883         return -1;
 884 }
 885 #endif
 886
 887 static int
 888 load_drm_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
 889 {
 890         struct weston_drm_backend_config config = {
 891                 .base = {
 892                         .struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION,
 893                         .struct_size = sizeof config,
 894                 },
 895         };
 896         struct weston_config_section *section;
 897         int use_current_mode = 0;
 898         int use_pixman = 0;
 899         bool use_shadow;
 900         bool without_input = false;
 901         int ret;
 902
 903         const struct weston_option options[] = {
 904                 { WESTON_OPTION_STRING, "seat", 0, &config.seat_id },
 905                 { WESTON_OPTION_STRING, "drm-device", 0, &config.specific_device },
 906                 { WESTON_OPTION_BOOLEAN, "current-mode", 0, &use_current_mode },
 907                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
 908                 { WESTON_OPTION_BOOLEAN, "continue-without-input", false, &without_input }
 909         };
 910
 911         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 912         config.use_pixman = use_pixman;
 913         ivi->cmdline.use_current_mode = use_current_mode;
 914
 915         section = weston_config_get_section(ivi->config, "core", NULL, NULL);
 916         weston_config_section_get_string(section, "gbm-format",
 917                                          &config.gbm_format, NULL);
 918         weston_config_section_get_uint(section, "pageflip-timeout",
 919                                        &config.pageflip_timeout, 0);
 920         weston_config_section_get_bool(section, "pixman-shadow", &use_shadow, 1);
 921         config.use_pixman_shadow = use_shadow;
 922
 923         if (without_input)
 924                 ivi->compositor->require_input = !without_input;
 925
 926         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_DRM,
 927                                              &config.base);
 928         if (ret < 0)
 929                 return ret;
 930
 931         ivi->drm_api = weston_drm_output_get_api(ivi->compositor);
 932         if (!ivi->drm_api) {
 933                 weston_log("Cannot use drm output api.\n");
 934                 ret = -1;
 935                 goto error;
 936         }
 937
 938         load_remoting_plugin(ivi, ivi->config);
 939         load_waltham_plugin(ivi, ivi->config);
 940
 941 error:
 942         free(config.gbm_format);
 943         free(config.seat_id);
 944         return ret;
 945 }
 946
 947 static void
 948 windowed_parse_common_options(struct ivi_compositor *ivi, int *argc, char *argv[],
 949                               bool *use_pixman, bool *fullscreen, int *output_count)
 950 {
 951         struct weston_config_section *section;
 952         bool pixman;
 953         int fs = 0;
 954
 955         const struct weston_option options[] = {
 956                 { WESTON_OPTION_INTEGER, "width", 0, &ivi->cmdline.width },
 957                 { WESTON_OPTION_INTEGER, "height", 0, &ivi->cmdline.height },
 958                 { WESTON_OPTION_INTEGER, "scale", 0, &ivi->cmdline.scale },
 959                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &pixman },
 960                 { WESTON_OPTION_BOOLEAN, "fullscreen", 0, &fs },
 961                 { WESTON_OPTION_INTEGER, "output-count", 0, output_count },
 962         };
 963
 964         section = weston_config_get_section(ivi->config, "core", NULL, NULL);
 965         weston_config_section_get_bool(section, "use-pixman", &pixman, 0);
 966
 967         *output_count = 1;
 968         parse_options(options, ARRAY_LENGTH(options), argc, argv);
 969         *use_pixman = pixman;
 970         *fullscreen = fs;
 971 }
 972
 973 static int
 974 windowed_create_outputs(struct ivi_compositor *ivi, int output_count,
 975                         const char *match_prefix, const char *name_prefix)
 976 {
 977         struct weston_config_section *section = NULL;
 978         const char *section_name;
 979         char *default_output = NULL;
 980         int i = 0;
 981         size_t match_len = strlen(match_prefix);
 982
 983         while (weston_config_next_section(ivi->config, &section, &section_name)) {
 984                 char *output_name;
 985
 986                 if (i >= output_count)
 987                         break;
 988
 989                 if (strcmp(section_name, "output") != 0)
 990                         continue;
 991
 992                 weston_config_section_get_string(section, "name", &output_name, NULL);
 993                 if (output_name == NULL)
 994                         continue;
 995                 if (strncmp(output_name, match_prefix, match_len) != 0) {
 996                         free(output_name);
 997                         continue;
 998                 }
 999
1000                 if (ivi->window_api->create_head(ivi->compositor, output_name) < 0) {
1001                         free(output_name);
1002                         return -1;
1003                 }
1004
1005                 free(output_name);
1006                 ++i;
1007         }
1008
1009         for (; i < output_count; ++i) {
1010                 if (asprintf(&default_output, "%s%d", name_prefix, i) < 0)
1011                         return -1;
1012
1013                 if (ivi->window_api->create_head(ivi->compositor, default_output) < 0) {
1014                         free(default_output);
1015                         return -1;
1016                 }
1017
1018                 free(default_output);
1019         }
1020
1021         return 0;
1022 }
1023
1024 static int
1025 load_wayland_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1026 {
1027         struct weston_wayland_backend_config config = {
1028                 .base = {
1029                         .struct_version = WESTON_WAYLAND_BACKEND_CONFIG_VERSION,
1030                         .struct_size = sizeof config,
1031                 },
1032         };
1033         struct weston_config_section *section;
1034         int sprawl = 0;
1035         int output_count;
1036         int ret;
1037
1038         const struct weston_option options[] = {
1039                 { WESTON_OPTION_STRING, "display", 0, &config.display_name },
1040                 { WESTON_OPTION_STRING, "sprawl", 0, &sprawl },
1041         };
1042
1043         windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
1044                                       &config.fullscreen, &output_count);
1045
1046         parse_options(options, ARRAY_LENGTH(options), argc, argv);
1047         config.sprawl = sprawl;
1048
1049         section = weston_config_get_section(ivi->config, "shell", NULL, NULL);
1050         weston_config_section_get_string(section, "cursor-theme",
1051                                          &config.cursor_theme, NULL);
1052         weston_config_section_get_int(section, "cursor-size",
1053                                       &config.cursor_size, 32);
1054
1055         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_WAYLAND,
1056                                              &config.base);
1057
1058         free(config.cursor_theme);
1059         free(config.display_name);
1060
1061         if (ret < 0)
1062                 return ret;
1063
1064         ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
1065
1066         /*
1067          * We will just assume if load_backend() finished cleanly and
1068          * windowed_output_api is not present that wayland backend is started
1069          * with --sprawl or runs on fullscreen-shell. In this case, all values
1070          * are hardcoded, so nothing can be configured; simply create and
1071          * enable an output.
1072          */
1073         if (ivi->window_api == NULL)
1074                 return 0;
1075
1076         return windowed_create_outputs(ivi, output_count, "WL", "wayland");
1077 }
1078
1079 #ifdef HAVE_BACKEND_X11
1080 static int
1081 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1082 {
1083         struct weston_x11_backend_config config = {
1084                 .base = {
1085                         .struct_version = WESTON_X11_BACKEND_CONFIG_VERSION,
1086                         .struct_size = sizeof config,
1087                 },
1088         };
1089         int no_input = 0;
1090         int output_count;
1091         int ret;
1092
1093         const struct weston_option options[] = {
1094                { WESTON_OPTION_BOOLEAN, "no-input", 0, &no_input },
1095         };
1096
1097         windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
1098                                       &config.fullscreen, &output_count);
1099
1100         parse_options(options, ARRAY_LENGTH(options), argc, argv);
1101         config.no_input = no_input;
1102
1103         ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_X11,
1104                                              &config.base);
1105
1106         if (ret < 0)
1107                 return ret;
1108
1109         ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
1110         if (!ivi->window_api) {
1111                 weston_log("Cannot use weston_windowed_output_api.\n");
1112                 return -1;
1113         }
1114
1115         return windowed_create_outputs(ivi, output_count, "X", "screen");
1116 }
1117 #else
1118 static int
1119 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1120 {
1121         return -1;
1122 }
1123 #endif
1124
1125 #ifdef HAVE_BACKEND_HEADLESS
1126 static int
1127 load_headless_backend(struct ivi_compositor *ivi, int *argc, char **argv)
1128 {
1129         struct weston_headless_backend_config config = {};
1130         int ret = 0;
1131
1132         bool use_pixman;
1133         bool fullscreen;
1134         bool use_gl;
1135         int output_count;
1136
1137         struct weston_compositor *c = ivi->compositor;
1138
1139         const struct weston_option options[] = {
1140                 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
1141                 { WESTON_OPTION_BOOLEAN, "use-gl", 0, &use_gl },
1142         };
1143
1144         windowed_parse_common_options(ivi, argc, argv, &use_pixman,
1145                         &fullscreen, &output_count);
1146
1147         parse_options(options, ARRAY_LENGTH(options), argc, argv);
1148         config.use_pixman = use_pixman;
1149         config.use_gl = use_gl;
1150
1151         config.base.struct_version = WESTON_HEADLESS_BACKEND_CONFIG_VERSION;
1152         config.base.struct_size = sizeof(struct weston_headless_backend_config);
1153
1154         /* load the actual headless-backend and configure it */
1155         ret = weston_compositor_load_backend(c, WESTON_BACKEND_HEADLESS,
1156                                              &config.base);
1157         if (ret < 0)
1158                 return ret;
1159
1160         ivi->window_api = weston_windowed_output_get_api(c);
1161         if (!ivi->window_api) {
1162                 weston_log("Cannot use weston_windowed_output_api.\n");
1163                 return -1;
1164         }
1165
1166         if (ivi->window_api->create_head(c, "headless") < 0) {
1167                 weston_log("Cannot create headless back-end\n");
1168                 return -1;
1169         }
1170
1171         return 0;
1172 }
1173 #else
1174 static int
1175 load_headless_backend(struct ivi_compositor *ivi, int *argc, char **argv)
1176 {
1177         return -1;
1178 }
1179 #endif
1180
1181 static int
1182 load_backend(struct ivi_compositor *ivi, const char *backend,
1183              int *argc, char *argv[])
1184 {
1185         if (strcmp(backend, "drm-backend.so") == 0) {
1186                 return load_drm_backend(ivi, argc, argv);
1187         } else if (strcmp(backend, "wayland-backend.so") == 0) {
1188                 return load_wayland_backend(ivi, argc, argv);
1189         } else if (strcmp(backend, "x11-backend.so") == 0) {
1190                 return load_x11_backend(ivi, argc, argv);
1191         } else if (strcmp(backend, "headless-backend.so") == 0) {
1192                 return load_headless_backend(ivi, argc, argv);
1193         }
1194
1195         weston_log("fatal: unknown backend '%s'.\n", backend);
1196         return -1;
1197 }
1198
1199 static int
1200 load_modules(struct ivi_compositor *ivi, const char *modules,
1201              int *argc, char *argv[], bool *xwayland)
1202 {
1203         const char *p, *end;
1204         char buffer[256];
1205         int (*module_init)(struct weston_compositor *wc, int argc, char *argv[]);
1206
1207         if (modules == NULL)
1208                 return 0;
1209
1210         p = modules;
1211         while (*p) {
1212                 end = strchrnul(p, ',');
1213                 snprintf(buffer, sizeof buffer, "%.*s", (int) (end - p), p);
1214
1215                 if (strstr(buffer, "xwayland.so")) {
1216                         weston_log("Xwayland plug-in not supported!\n");
1217                         p = end;
1218                         while (*p == ',')
1219                                 p++;
1220                         continue;
1221                 }
1222
1223                 if (strstr(buffer, "systemd-notify.so")) {
1224                         weston_log("systemd-notify plug-in already loaded!\n");
1225                         p = end;
1226                         while (*p == ',')
1227                                 p++;
1228                         continue;
1229                 }
1230
1231                 module_init = weston_load_module(buffer, "wet_module_init");
1232                 if (!module_init)
1233                         return -1;
1234
1235                 if (module_init(ivi->compositor, *argc, argv) < 0)
1236                         return -1;
1237
1238                 p = end;
1239                 while (*p == ',')
1240                         p++;
1241         }
1242
1243         return 0;
1244 }
1245
1246
1247 static char *
1248 choose_default_backend(void)
1249 {
1250         char *backend = NULL;
1251
1252         if (getenv("WAYLAND_DISPLAY") || getenv("WAYLAND_SOCKET"))
1253                 backend = strdup("wayland-backend.so");
1254         else if (getenv("DISPLAY"))
1255                 backend = strdup("x11-backend.so");
1256         else
1257                 backend = strdup("drm-backend.so");
1258
1259         return backend;
1260 }
1261
1262 static int
1263 compositor_init_config(struct weston_compositor *compositor,
1264                        struct weston_config *config)
1265 {
1266         struct xkb_rule_names xkb_names;
1267         struct weston_config_section *section;
1268         int repaint_msec;
1269         bool vt_switching;
1270         bool require_input;
1271
1272         /* agl-compositor.ini [keyboard] */
1273         section = weston_config_get_section(config, "keyboard", NULL, NULL);
1274         weston_config_section_get_string(section, "keymap_rules",
1275                                          (char **) &xkb_names.rules, NULL);
1276         weston_config_section_get_string(section, "keymap_model",
1277                                          (char **) &xkb_names.model, NULL);
1278         weston_config_section_get_string(section, "keymap_layout",
1279                                          (char **) &xkb_names.layout, NULL);
1280         weston_config_section_get_string(section, "keymap_variant",
1281                                          (char **) &xkb_names.variant, NULL);
1282         weston_config_section_get_string(section, "keymap_options",
1283                                          (char **) &xkb_names.options, NULL);
1284
1285         if (weston_compositor_set_xkb_rule_names(compositor, &xkb_names) < 0)
1286                 return -1;
1287
1288         weston_config_section_get_int(section, "repeat-rate",
1289                                       &compositor->kb_repeat_rate, 40);
1290         weston_config_section_get_int(section, "repeat-delay",
1291                                       &compositor->kb_repeat_delay, 400);
1292
1293         weston_config_section_get_bool(section, "vt-switching",
1294                                        &vt_switching, false);
1295         compositor->vt_switching = vt_switching;
1296
1297         /* agl-compositor.ini [core] */
1298         section = weston_config_get_section(config, "core", NULL, NULL);
1299
1300         weston_config_section_get_bool(section, "require-input", &require_input, true);
1301         compositor->require_input = require_input;
1302
1303         weston_config_section_get_int(section, "repaint-window", &repaint_msec,
1304                                       compositor->repaint_msec);
1305         if (repaint_msec < -10 || repaint_msec > 1000) {
1306                 weston_log("Invalid repaint_window value in config: %d\n",
1307                            repaint_msec);
1308         } else {
1309                 compositor->repaint_msec = repaint_msec;
1310         }
1311         weston_log("Output repaint window is %d ms maximum.\n",
1312                    compositor->repaint_msec);
1313
1314         return 0;
1315 }
1316
1317 struct ivi_surface *
1318 to_ivi_surface(struct weston_surface *surface)
1319 {
1320         struct weston_desktop_surface *dsurface;
1321
1322         dsurface = weston_surface_get_desktop_surface(surface);
1323         if (!dsurface)
1324                 return NULL;
1325
1326         return weston_desktop_surface_get_user_data(dsurface);
1327 }
1328
1329 static void
1330 activate_binding(struct weston_seat *seat,
1331                  struct weston_view *focus_view, uint32_t flags)
1332 {
1333         struct weston_surface *focus_surface;
1334         struct weston_surface *main_surface;
1335         struct ivi_surface *ivi_surface;
1336         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(seat);
1337
1338         if (!focus_view)
1339                 return;
1340
1341         focus_surface = focus_view->surface;
1342         main_surface = weston_surface_get_main_surface(focus_surface);
1343
1344         ivi_surface = to_ivi_surface(main_surface);
1345         if (!ivi_surface)
1346                 return;
1347
1348         if (ivi_seat)
1349                 ivi_shell_activate_surface(ivi_surface, ivi_seat, flags);
1350 }
1351
1352 static void
1353 click_to_activate_binding(struct weston_pointer *pointer,
1354                           const struct timespec *time,
1355                           uint32_t button, void *data)
1356 {
1357         if (pointer->grab != &pointer->default_grab)
1358                 return;
1359         if (pointer->focus == NULL)
1360                 return;
1361
1362         activate_binding(pointer->seat, pointer->focus,
1363                          WESTON_ACTIVATE_FLAG_CLICKED);
1364 }
1365
1366 static void
1367 touch_to_activate_binding(struct weston_touch *touch,
1368                           const struct timespec *time,
1369                           void *data)
1370 {
1371         if (touch->grab != &touch->default_grab)
1372                 return;
1373         if (touch->focus == NULL)
1374                 return;
1375
1376         activate_binding(touch->seat, touch->focus,
1377                          WESTON_ACTIVATE_FLAG_NONE);
1378 }
1379
1380 static void
1381 add_bindings(struct weston_compositor *compositor)
1382 {
1383         weston_compositor_add_button_binding(compositor, BTN_LEFT, 0,
1384                                              click_to_activate_binding,
1385                                              NULL);
1386         weston_compositor_add_button_binding(compositor, BTN_RIGHT, 0,
1387                                              click_to_activate_binding,
1388                                              NULL);
1389         weston_compositor_add_touch_binding(compositor, 0,
1390                                             touch_to_activate_binding,
1391                                             NULL);
1392 }
1393
1394 static int
1395 create_listening_socket(struct wl_display *display, const char *socket_name)
1396 {
1397         if (socket_name) {
1398                 if (wl_display_add_socket(display, socket_name)) {
1399                         weston_log("fatal: failed to add socket: %s\n",
1400                                    strerror(errno));
1401                         return -1;
1402                 }
1403         } else {
1404                 socket_name = wl_display_add_socket_auto(display);
1405                 if (!socket_name) {
1406                         weston_log("fatal: failed to add socket: %s\n",
1407                                    strerror(errno));
1408                         return -1;
1409                 }
1410         }
1411
1412         setenv("WAYLAND_DISPLAY", socket_name, 1);
1413
1414         return 0;
1415 }
1416
1417 static bool
1418 global_filter(const struct wl_client *client, const struct wl_global *global,
1419               void *data)
1420 {
1421         return true;
1422 }
1423
1424 static int
1425 load_config(struct weston_config **config, bool no_config,
1426             const char *config_file)
1427 {
1428         const char *file = "agl-compositor.ini";
1429         const char *full_path;
1430
1431         if (config_file)
1432                 file = config_file;
1433
1434         if (!no_config)
1435                 *config = weston_config_parse(file);
1436
1437         if (*config) {
1438                 full_path = weston_config_get_full_path(*config);
1439
1440                 weston_log("Using config file '%s'.\n", full_path);
1441                 setenv(WESTON_CONFIG_FILE_ENV_VAR, full_path, 1);
1442
1443                 return 0;
1444         }
1445
1446         if (config_file && !no_config) {
1447                 weston_log("fatal: error opening or reading config file '%s'.\n",
1448                         config_file);
1449
1450                 return -1;
1451         }
1452
1453         weston_log("Starting with no config file.\n");
1454         setenv(WESTON_CONFIG_FILE_ENV_VAR, "", 1);
1455
1456         return 0;
1457 }
1458
1459 static FILE *logfile;
1460
1461 static char *
1462 log_timestamp(char *buf, size_t len)
1463 {
1464         struct timeval tv;
1465         struct tm *brokendown_time;
1466         char datestr[128];
1467         char timestr[128];
1468
1469         gettimeofday(&tv, NULL);
1470
1471         brokendown_time = localtime(&tv.tv_sec);
1472         if (brokendown_time == NULL) {
1473                 snprintf(buf, len, "%s", "[(NULL)localtime] ");
1474                 return buf;
1475         }
1476
1477         memset(datestr, 0, sizeof(datestr));
1478         if (brokendown_time->tm_mday != cached_tm_mday) {
1479                 strftime(datestr, sizeof(datestr), "Date: %Y-%m-%d %Z\n",
1480                                 brokendown_time);
1481                 cached_tm_mday = brokendown_time->tm_mday;
1482         }
1483
1484         strftime(timestr, sizeof(timestr), "%H:%M:%S", brokendown_time);
1485         /* if datestr is empty it prints only timestr*/
1486         snprintf(buf, len, "%s[%s.%03li]", datestr,
1487                         timestr, (tv.tv_usec / 1000));
1488
1489         return buf;
1490 }
1491
1492 static void
1493 custom_handler(const char *fmt, va_list arg)
1494 {
1495         char timestr[512];
1496
1497         weston_log_scope_printf(log_scope, "%s libwayland: ",
1498                         log_timestamp(timestr, sizeof(timestr)));
1499         weston_log_scope_vprintf(log_scope, fmt, arg);
1500 }
1501
1502 static void
1503 log_file_open(const char *filename)
1504 {
1505         wl_log_set_handler_server(custom_handler);
1506
1507         if (filename)
1508                 logfile = fopen(filename, "a");
1509
1510         if (!logfile) {
1511                 logfile = stderr;
1512         } else {
1513                 os_fd_set_cloexec(fileno(logfile));
1514                 setvbuf(logfile, NULL, _IOLBF, 256);
1515         }
1516 }
1517
1518 static void
1519 log_file_close(void)
1520 {
1521         if (logfile && logfile != stderr)
1522                 fclose(logfile);
1523         logfile = stderr;
1524 }
1525
1526 static int
1527 vlog(const char *fmt, va_list ap)
1528 {
1529         const char *oom = "Out of memory";
1530         char timestr[128];
1531         int len = 0;
1532         char *str;
1533
1534         if (weston_log_scope_is_enabled(log_scope)) {
1535                 int len_va;
1536                 char *xlog_timestamp = log_timestamp(timestr, sizeof(timestr));
1537                 len_va = vasprintf(&str, fmt, ap);
1538                 if (len_va >= 0) {
1539                         len = weston_log_scope_printf(log_scope, "%s %s",
1540                                         xlog_timestamp, str);
1541                         free(str);
1542                 } else {
1543                         len = weston_log_scope_printf(log_scope, "%s %s",
1544                                         xlog_timestamp, oom);
1545                 }
1546         }
1547
1548         return len;
1549 }
1550
1551
1552 static int
1553 vlog_continue(const char *fmt, va_list ap)
1554 {
1555         return weston_log_scope_vprintf(log_scope, fmt, ap);
1556 }
1557
1558 static int
1559 on_term_signal(int signo, void *data)
1560 {
1561         struct wl_display *display = data;
1562
1563         weston_log("caught signal %d\n", signo);
1564         wl_display_terminate(display);
1565
1566         return 1;
1567 }
1568
1569 static void
1570 handle_exit(struct weston_compositor *compositor)
1571 {
1572         wl_display_terminate(compositor->wl_display);
1573 }
1574
1575 static void
1576 usage(int error_code)
1577 {
1578         FILE *out = error_code == EXIT_SUCCESS ? stdout : stderr;
1579         fprintf(out,
1580                 "Usage: agl-compositor [OPTIONS]\n"
1581                 "\n"
1582                 "This is " PACKAGE_STRING ", the reference compositor for\n"
1583                 "Automotive Grade Linux. " PACKAGE_STRING " supports multiple "
1584                 "backends,\nand depending on which backend is in use different "
1585                 "options will be accepted.\n"
1586                 "\n"
1587                 "Core options:\n"
1588                 "\n"
1589                 "  --version\t\tPrint agl-compositor version\n"
1590                 "  -B, --backend=MODULE\tBackend module, one of\n"
1591                         "\t\t\t\tdrm-backend.so\n"
1592                         "\t\t\t\twayland-backend.so\n"
1593                         "\t\t\t\tx11-backend.so\n"
1594                         "\t\t\t\theadless-backend.so\n"
1595                 "  -S, --socket=NAME\tName of socket to listen on\n"
1596                 "  --log=FILE\t\tLog to the given file\n"
1597                 "  -c, --config=FILE\tConfig file to load, defaults to agl-compositor.ini\n"
1598                 "  --no-config\t\tDo not read agl-compositor.ini\n"
1599                 "  --debug\t\tEnable debug extension(s)\n"
1600                 "  -h, --help\t\tThis help message\n"
1601                 "\n");
1602         exit(error_code);
1603 }
1604
1605 static char *
1606 copy_command_line(int argc, char * const argv[])
1607 {
1608         FILE *fp;
1609         char *str = NULL;
1610         size_t size = 0;
1611         int i;
1612
1613         fp = open_memstream(&str, &size);
1614         if (!fp)
1615                 return NULL;
1616
1617         fprintf(fp, "%s", argv[0]);
1618         for (i = 1; i < argc; i++)
1619                 fprintf(fp, " %s", argv[i]);
1620         fclose(fp);
1621
1622         return str;
1623 }
1624
1625 WL_EXPORT
1626 int wet_main(int argc, char *argv[], const struct weston_testsuite_data *test_data)
1627 {
1628         struct ivi_compositor ivi = { 0 };
1629         char *cmdline;
1630         struct wl_display *display = NULL;
1631         struct wl_event_loop *loop;
1632         struct wl_event_source *signals[3] = { 0 };
1633         struct weston_config_section *section;
1634         /* Command line options */
1635         char *backend = NULL;
1636         char *socket_name = NULL;
1637         char *log = NULL;
1638         char *modules = NULL;
1639         char *option_modules = NULL;
1640         int help = 0;
1641         int version = 0;
1642         int no_config = 0;
1643         int debug = 0;
1644         char *config_file = NULL;
1645         struct weston_log_context *log_ctx = NULL;
1646         struct weston_log_subscriber *logger;
1647         int ret = EXIT_FAILURE;
1648         bool xwayland = false;
1649
1650         const struct weston_option core_options[] = {
1651                 { WESTON_OPTION_STRING, "backend", 'B', &backend },
1652                 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
1653                 { WESTON_OPTION_STRING, "log", 0, &log },
1654                 { WESTON_OPTION_BOOLEAN, "help", 'h', &help },
1655                 { WESTON_OPTION_BOOLEAN, "version", 0, &version },
1656                 { WESTON_OPTION_BOOLEAN, "no-config", 0, &no_config },
1657                 { WESTON_OPTION_BOOLEAN, "debug", 0, &debug },
1658                 { WESTON_OPTION_STRING, "config", 'c', &config_file },
1659                 { WESTON_OPTION_STRING, "modules", 0, &option_modules },
1660         };
1661
1662         wl_list_init(&ivi.outputs);
1663         wl_list_init(&ivi.surfaces);
1664         wl_list_init(&ivi.pending_surfaces);
1665         wl_list_init(&ivi.popup_pending_apps);
1666         wl_list_init(&ivi.fullscreen_pending_apps);
1667         wl_list_init(&ivi.split_pending_apps);
1668         wl_list_init(&ivi.remote_pending_apps);
1669         wl_list_init(&ivi.desktop_clients);
1670
1671         /* Prevent any clients we spawn getting our stdin */
1672         os_fd_set_cloexec(STDIN_FILENO);
1673
1674         cmdline = copy_command_line(argc, argv);
1675         parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv);
1676
1677         if (help)
1678                 usage(EXIT_SUCCESS);
1679
1680         if (version) {
1681                 printf(PACKAGE_STRING "\n");
1682                 ret = EXIT_SUCCESS;
1683                 goto exit_signals;
1684         }
1685
1686         log_ctx = weston_log_ctx_create();
1687         if (!log_ctx) {
1688                 fprintf(stderr, "Failed to initialize weston debug framework.\n");
1689                 goto exit_signals;
1690         }
1691
1692         log_scope = weston_log_ctx_add_log_scope(log_ctx, "log",
1693                                                  "agl-compositor log\n",
1694                                                  NULL, NULL, NULL);
1695
1696         log_file_open(log);
1697         weston_log_set_handler(vlog, vlog_continue);
1698
1699         logger = weston_log_subscriber_create_log(logfile);
1700         weston_log_subscribe(log_ctx, logger, "log");
1701
1702         weston_log("Command line: %s\n", cmdline);
1703         free(cmdline);
1704
1705         if (load_config(&ivi.config, no_config, config_file) < 0)
1706                 goto error_signals;
1707         section = weston_config_get_section(ivi.config, "core", NULL, NULL);
1708         if (!backend) {
1709                 weston_config_section_get_string(section, "backend", &backend,
1710                                                  NULL);
1711                 if (!backend)
1712                         backend = choose_default_backend();
1713         }
1714         /* from [core] */
1715         weston_config_section_get_bool(section, "hide-cursor",
1716                                        &ivi.hide_cursor, false);
1717         weston_config_section_get_bool(section, "activate-by-default",
1718                                        &ivi.activate_by_default, true);
1719
1720         display = wl_display_create();
1721         loop = wl_display_get_event_loop(display);
1722
1723         wl_display_set_global_filter(display,
1724                                      global_filter, &ivi);
1725
1726         /* Register signal handlers so we shut down cleanly */
1727
1728         signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
1729                                               display);
1730         signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
1731                                               display);
1732         signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
1733                                               display);
1734
1735         for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1736                 if (!signals[i])
1737                         goto error_signals;
1738
1739         ivi.compositor = weston_compositor_create(display, log_ctx, &ivi, test_data);
1740         if (!ivi.compositor) {
1741                 weston_log("fatal: failed to create compositor.\n");
1742                 goto error_signals;
1743         }
1744
1745         if (compositor_init_config(ivi.compositor, ivi.config) < 0)
1746                 goto error_compositor;
1747
1748         if (load_backend(&ivi, backend, &argc, argv) < 0) {
1749                 weston_log("fatal: failed to create compositor backend.\n");
1750                 goto error_compositor;
1751         }
1752
1753         ivi.heads_changed.notify = heads_changed;
1754         weston_compositor_add_heads_changed_listener(ivi.compositor,
1755                                                      &ivi.heads_changed);
1756
1757         if (ivi_desktop_init(&ivi) < 0)
1758                 goto error_compositor;
1759
1760         ivi_seat_init(&ivi);
1761
1762         /* load additional modules */
1763         weston_config_section_get_string(section, "modules", &modules, "");
1764         if (load_modules(&ivi, modules, &argc, argv, &xwayland) < 0)
1765                 goto error_compositor;
1766
1767         if (load_modules(&ivi, option_modules, &argc, argv, &xwayland) < 0)
1768                 goto error_compositor;
1769
1770         if (ivi_policy_init(&ivi) < 0)
1771                 goto error_compositor;
1772
1773         if (ivi_shell_init(&ivi) < 0)
1774                 goto error_compositor;
1775
1776         add_bindings(ivi.compositor);
1777
1778         weston_compositor_flush_heads_changed(ivi.compositor);
1779
1780         if (ivi.remoting_api)
1781                 ivi_enable_remote_outputs(&ivi);
1782
1783         if (ivi.waltham_transmitter_api)
1784                 ivi_enable_waltham_outputs(&ivi);
1785
1786         if (create_listening_socket(display, socket_name) < 0)
1787                 goto error_compositor;
1788
1789         ivi_shell_init_black_fs(&ivi);
1790
1791         ivi.compositor->exit = handle_exit;
1792
1793         weston_compositor_wake(ivi.compositor);
1794
1795         ivi_shell_create_global(&ivi);
1796         ivi_launch_shell_client(&ivi);
1797         if (debug)
1798                 ivi_screenshooter_create(&ivi);
1799         ivi_agl_systemd_notify(&ivi);
1800
1801         wl_display_run(display);
1802
1803         ret = ivi.compositor->exit_code;
1804
1805         wl_display_destroy_clients(display);
1806
1807 error_compositor:
1808         free(backend);
1809         backend = NULL;
1810         free(modules);
1811         modules = NULL;
1812
1813         weston_compositor_destroy(ivi.compositor);
1814
1815         weston_log_scope_destroy(log_scope);
1816         log_scope = NULL;
1817
1818         weston_log_subscriber_destroy(logger);
1819         weston_log_ctx_destroy(log_ctx);
1820
1821         ivi_policy_destroy(ivi.policy);
1822
1823 error_signals:
1824         for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1825                 if (signals[i])
1826                         wl_event_source_remove(signals[i]);
1827
1828         wl_display_destroy(display);
1829
1830         log_file_close();
1831         if (ivi.config)
1832                 weston_config_destroy(ivi.config);
1833
1834 exit_signals:
1835         free(log);
1836         free(config_file);
1837         free(socket_name);
1838         free(option_modules);
1839         return ret;
1840 }