src/main.cpp

   1 /*
   2  * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <unistd.h>
  18 #include <algorithm>
  19 #include <mutex>
  20 #include <json.h>
  21 #include <json.hpp>
  22 #include "app.hpp"
  23 #include "result.hpp"
  24 #include "json_helper.hpp"
  25 #include "util.hpp"
  26 #include "wayland_ivi_wm.hpp"
  27
  28 extern "C"
  29 {
  30 #include <afb/afb-binding.h>
  31 #include <systemd/sd-event.h>
  32 }
  33
  34 typedef struct WMClientCtxt
  35 {
  36     std::string name;
  37     std::string role;
  38     WMClientCtxt(const char *appName, const char* appRole)
  39     {
  40         name = appName;
  41         role = appRole;
  42     }
  43 } WMClientCtxt;
  44
  45 struct afb_instance
  46 {
  47     std::unique_ptr<wl::display> display;
  48     wm::App app;
  49
  50     afb_instance() : display{new wl::display}, app{this->display.get()} {}
  51
  52     int init();
  53 };
  54
  55 struct afb_instance *g_afb_instance;
  56 std::mutex binding_m;
  57
  58 int afb_instance::init()
  59 {
  60     return this->app.init();
  61 }
  62
  63 int display_event_callback(sd_event_source *evs, int /*fd*/, uint32_t events,
  64                            void * /*data*/)
  65 {
  66     ST();
  67
  68     if ((events & EPOLLHUP) != 0)
  69     {
  70         HMI_ERROR("wm", "The compositor hung up, dying now.");
  71         delete g_afb_instance;
  72         g_afb_instance = nullptr;
  73         goto error;
  74     }
  75
  76     if ((events & EPOLLIN) != 0u)
  77     {
  78         {
  79             STN(display_read_events);
  80             g_afb_instance->app.display->read_events();
  81             g_afb_instance->app.set_pending_events();
  82         }
  83         {
  84             // We want do dispatch pending wayland events from within
  85             // the API context
  86             STN(winman_ping_api_call);
  87             afb_service_call("windowmanager", "ping", json_object_new_object(),
  88                              [](void *c, int st, json_object *j) {
  89                                  STN(winman_ping_api_call_return);
  90                              },
  91                              nullptr);
  92         }
  93     }
  94
  95     return 0;
  96
  97 error:
  98     sd_event_source_unref(evs);
  99     if (getenv("WINMAN_EXIT_ON_HANGUP") != nullptr)
 100     {
 101         exit(1);
 102     }
 103     return -1;
 104 }
 105
 106 int _binding_init()
 107 {
 108     HMI_NOTICE("wm", "WinMan ver. %s", WINMAN_VERSION_STRING);
 109
 110     if (g_afb_instance != nullptr)
 111     {
 112         HMI_ERROR("wm", "Wayland context already initialized?");
 113         return 0;
 114     }
 115
 116     if (getenv("XDG_RUNTIME_DIR") == nullptr)
 117     {
 118         HMI_ERROR("wm", "Environment variable XDG_RUNTIME_DIR not set");
 119         goto error;
 120     }
 121
 122     {
 123         // wait until wayland compositor starts up.
 124         int cnt = 0;
 125         g_afb_instance = new afb_instance;
 126         while (!g_afb_instance->display->ok())
 127         {
 128             cnt++;
 129             if (20 <= cnt)
 130             {
 131                 HMI_ERROR("wm", "Could not connect to compositor");
 132                 goto error;
 133             }
 134             HMI_ERROR("wm", "Wait to start weston ...");
 135             sleep(1);
 136             delete g_afb_instance;
 137             g_afb_instance = new afb_instance;
 138         }
 139     }
 140
 141     if (g_afb_instance->init() == -1)
 142     {
 143         HMI_ERROR("wm", "Could not connect to compositor");
 144         goto error;
 145     }
 146
 147     {
 148         int ret = sd_event_add_io(afb_daemon_get_event_loop(), nullptr,
 149                                   g_afb_instance->display->get_fd(), EPOLLIN,
 150                                   display_event_callback, g_afb_instance);
 151         if (ret < 0)
 152         {
 153             HMI_ERROR("wm", "Could not initialize afb_instance event handler: %d", -ret);
 154             goto error;
 155         }
 156     }
 157
 158     atexit([] { delete g_afb_instance; });
 159
 160     return 0;
 161
 162 error:
 163     delete g_afb_instance;
 164     g_afb_instance = nullptr;
 165     return -1;
 166 }
 167
 168 int binding_init() noexcept
 169 {
 170     try
 171     {
 172         return _binding_init();
 173     }
 174     catch (std::exception &e)
 175     {
 176         HMI_ERROR("wm", "Uncaught exception in binding_init(): %s", e.what());
 177     }
 178     return -1;
 179 }
 180
 181 static bool checkFirstReq(afb_req req)
 182 {
 183     WMClientCtxt *ctxt = (WMClientCtxt *)afb_req_context_get(req);
 184     return (ctxt) ? false : true;
 185 }
 186
 187 static void cbRemoveClientCtxt(void *data)
 188 {
 189     WMClientCtxt *ctxt = (WMClientCtxt *)data;
 190     if (ctxt == nullptr)
 191     {
 192         return;
 193     }
 194     HMI_DEBUG("wm", "remove app %s", ctxt->name.c_str());
 195     // Lookup surfaceID and remove it because App is dead.
 196     auto pSid = g_afb_instance->app.id_alloc.lookup(ctxt->role.c_str());
 197     if (pSid)
 198     {
 199         auto sid = *pSid;
 200         g_afb_instance->app.id_alloc.remove_id(sid);
 201         g_afb_instance->app.layers.remove_surface(sid);
 202         g_afb_instance->app.controller->sprops.erase(sid);
 203         g_afb_instance->app.controller->surfaces.erase(sid);
 204         HMI_DEBUG("wm", "delete surfaceID %d", sid);
 205     }
 206     g_afb_instance->app.removeClient(ctxt->name);
 207     delete ctxt;
 208 }
 209
 210 void windowmanager_requestsurface(afb_req req) noexcept
 211 {
 212     std::lock_guard<std::mutex> guard(binding_m);
 213 #ifdef ST
 214     ST();
 215 #endif
 216     if (g_afb_instance == nullptr)
 217     {
 218         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 219         return;
 220     }
 221
 222     try
 223     {
 224         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 225         if (!a_drawing_name)
 226         {
 227             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 228             return;
 229         }
 230
 231         /* Create Security Context */
 232         bool isFirstReq = checkFirstReq(req);
 233         if (!isFirstReq)
 234         {
 235             WMClientCtxt *ctxt = (WMClientCtxt *)afb_req_context_get(req);
 236             HMI_DEBUG("wm", "You're %s.", ctxt->name.c_str());
 237             if (ctxt->name != std::string(a_drawing_name))
 238             {
 239                 afb_req_fail_f(req, "failed", "Dont request with other name: %s for now", a_drawing_name);
 240                 HMI_DEBUG("wm", "Don't request with other name: %s for now", a_drawing_name);
 241                 return;
 242             }
 243         }
 244
 245         auto ret = g_afb_instance->app.api_request_surface(
 246             afb_req_get_application_id(req), a_drawing_name);
 247
 248         if (isFirstReq)
 249         {
 250             WMClientCtxt *ctxt = new WMClientCtxt(afb_req_get_application_id(req), a_drawing_name);
 251             HMI_DEBUG("wm", "create session for %s", ctxt->name.c_str());
 252             afb_req_session_set_LOA(req, 1);
 253             afb_req_context_set(req, ctxt, cbRemoveClientCtxt);
 254         }
 255         else
 256         {
 257             HMI_DEBUG("wm", "session already created for %s", a_drawing_name);
 258         }
 259
 260         if (ret.is_err())
 261         {
 262             afb_req_fail(req, "failed", ret.unwrap_err());
 263             return;
 264         }
 265
 266         afb_req_success(req, json_object_new_int(ret.unwrap()), "success");
 267     }
 268     catch (std::exception &e)
 269     {
 270         afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurface: %s", e.what());
 271         return;
 272     }
 273 }
 274
 275 void windowmanager_requestsurfacexdg(afb_req req) noexcept
 276 {
 277     std::lock_guard<std::mutex> guard(binding_m);
 278 #ifdef ST
 279     ST();
 280 #endif
 281     if (g_afb_instance == nullptr)
 282     {
 283         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 284         return;
 285     }
 286
 287     try
 288     {
 289         json_object *jreq = afb_req_json(req);
 290
 291         json_object *j_drawing_name = nullptr;
 292         if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
 293         {
 294             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 295             return;
 296         }
 297         char const *a_drawing_name = json_object_get_string(j_drawing_name);
 298
 299         json_object *j_ivi_id = nullptr;
 300         if (!json_object_object_get_ex(jreq, "ivi_id", &j_ivi_id))
 301         {
 302             afb_req_fail(req, "failed", "Need char const* argument ivi_id");
 303             return;
 304         }
 305         char const *a_ivi_id = json_object_get_string(j_ivi_id);
 306
 307         auto ret = g_afb_instance->app.api_request_surface(
 308             afb_req_get_application_id(req), a_drawing_name, a_ivi_id);
 309         if (ret != nullptr)
 310         {
 311             afb_req_fail(req, "failed", ret);
 312             return;
 313         }
 314
 315         afb_req_success(req, NULL, "success");
 316     }
 317     catch (std::exception &e)
 318     {
 319         afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurfacexdg: %s", e.what());
 320         return;
 321     }
 322 }
 323
 324 void windowmanager_activatesurface(afb_req req) noexcept
 325 {
 326     std::lock_guard<std::mutex> guard(binding_m);
 327 #ifdef ST
 328     ST();
 329 #endif
 330     if (g_afb_instance == nullptr)
 331     {
 332         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 333         return;
 334     }
 335
 336     try
 337     {
 338         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 339         if (!a_drawing_name)
 340         {
 341             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 342             return;
 343         }
 344
 345         const char *a_drawing_area = afb_req_value(req, "drawing_area");
 346         if (!a_drawing_area)
 347         {
 348             afb_req_fail(req, "failed", "Need char const* argument drawing_area");
 349             return;
 350         }
 351
 352         g_afb_instance->app.api_activate_surface(
 353             afb_req_get_application_id(req),
 354             a_drawing_name, a_drawing_area,
 355             [&req](const char *errmsg) {
 356                 if (errmsg != nullptr)
 357                 {
 358                     HMI_ERROR("wm", errmsg);
 359                     afb_req_fail(req, "failed", errmsg);
 360                     return;
 361                 }
 362                 afb_req_success(req, NULL, "success");
 363             });
 364     }
 365     catch (std::exception &e)
 366     {
 367         HMI_WARNING("wm", "failed: Uncaught exception while calling activatesurface: %s", e.what());
 368         g_afb_instance->app.exeptionProcessForTransition();
 369         return;
 370     }
 371 }
 372
 373 void windowmanager_deactivatesurface(afb_req req) noexcept
 374 {
 375     std::lock_guard<std::mutex> guard(binding_m);
 376 #ifdef ST
 377     ST();
 378 #endif
 379     if (g_afb_instance == nullptr)
 380     {
 381         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 382         return;
 383     }
 384
 385     try
 386     {
 387         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 388         if (!a_drawing_name)
 389         {
 390             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 391             return;
 392         }
 393
 394         g_afb_instance->app.api_deactivate_surface(
 395             afb_req_get_application_id(req), a_drawing_name,
 396             [&req](const char *errmsg) {
 397                 if (errmsg != nullptr)
 398                 {
 399                     HMI_ERROR("wm", errmsg);
 400                     afb_req_fail(req, "failed", errmsg);
 401                     return;
 402                 }
 403                 afb_req_success(req, NULL, "success");
 404             });
 405     }
 406     catch (std::exception &e)
 407     {
 408         HMI_WARNING("wm", "failed: Uncaught exception while calling deactivatesurface: %s", e.what());
 409         g_afb_instance->app.exeptionProcessForTransition();
 410         return;
 411     }
 412 }
 413
 414 void windowmanager_enddraw(afb_req req) noexcept
 415 {
 416     std::lock_guard<std::mutex> guard(binding_m);
 417 #ifdef ST
 418     ST();
 419 #endif
 420     if (g_afb_instance == nullptr)
 421     {
 422         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 423         return;
 424     }
 425
 426     try
 427     {
 428         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 429         if (!a_drawing_name)
 430         {
 431             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 432             return;
 433         }
 434         afb_req_success(req, NULL, "success");
 435
 436         g_afb_instance->app.api_enddraw(
 437             afb_req_get_application_id(req), a_drawing_name);
 438     }
 439     catch (std::exception &e)
 440     {
 441         HMI_WARNING("wm", "failed: Uncaught exception while calling enddraw: %s", e.what());
 442         g_afb_instance->app.exeptionProcessForTransition();
 443         return;
 444     }
 445 }
 446
 447 void windowmanager_getdisplayinfo_thunk(afb_req req) noexcept
 448 {
 449     std::lock_guard<std::mutex> guard(binding_m);
 450 #ifdef ST
 451     ST();
 452 #endif
 453     if (g_afb_instance == nullptr)
 454     {
 455         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 456         return;
 457     }
 458
 459     try
 460     {
 461         auto ret = g_afb_instance->app.api_get_display_info();
 462         if (ret.is_err())
 463         {
 464             afb_req_fail(req, "failed", ret.unwrap_err());
 465             return;
 466         }
 467
 468         afb_req_success(req, ret.unwrap(), "success");
 469     }
 470     catch (std::exception &e)
 471     {
 472         afb_req_fail_f(req, "failed", "Uncaught exception while calling getdisplayinfo: %s", e.what());
 473         return;
 474     }
 475 }
 476
 477 void windowmanager_getareainfo_thunk(afb_req req) noexcept
 478 {
 479     std::lock_guard<std::mutex> guard(binding_m);
 480 #ifdef ST
 481     ST();
 482 #endif
 483     if (g_afb_instance == nullptr)
 484     {
 485         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 486         return;
 487     }
 488
 489     try
 490     {
 491         json_object *jreq = afb_req_json(req);
 492
 493         json_object *j_drawing_name = nullptr;
 494         if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
 495         {
 496             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 497             return;
 498         }
 499         char const *a_drawing_name = json_object_get_string(j_drawing_name);
 500
 501         auto ret = g_afb_instance->app.api_get_area_info(a_drawing_name);
 502         if (ret.is_err())
 503         {
 504             afb_req_fail(req, "failed", ret.unwrap_err());
 505             return;
 506         }
 507
 508         afb_req_success(req, ret.unwrap(), "success");
 509     }
 510     catch (std::exception &e)
 511     {
 512         afb_req_fail_f(req, "failed", "Uncaught exception while calling getareainfo: %s", e.what());
 513         return;
 514     }
 515 }
 516
 517 void windowmanager_wm_subscribe(afb_req req) noexcept
 518 {
 519     std::lock_guard<std::mutex> guard(binding_m);
 520 #ifdef ST
 521     ST();
 522 #endif
 523     if (g_afb_instance == nullptr)
 524     {
 525         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 526         return;
 527     }
 528
 529     try
 530     {
 531         json_object *jreq = afb_req_json(req);
 532         json_object *j = nullptr;
 533         if (!json_object_object_get_ex(jreq, "event", &j))
 534         {
 535             afb_req_fail(req, "failed", "Need char const* argument event");
 536             return;
 537         }
 538         int event_type = json_object_get_int(j);
 539         const char *event_name = g_afb_instance->app.kListEventName[event_type];
 540         struct afb_event event = g_afb_instance->app.map_afb_event[event_name];
 541         int ret = afb_req_subscribe(req, event);
 542         if (ret)
 543         {
 544             afb_req_fail(req, "failed", "Error: afb_req_subscribe()");
 545             return;
 546         }
 547         afb_req_success(req, NULL, "success");
 548     }
 549     catch (std::exception &e)
 550     {
 551         afb_req_fail_f(req, "failed", "Uncaught exception while calling wm_subscribe: %s", e.what());
 552         return;
 553     }
 554 }
 555
 556 void windowmanager_list_drawing_names(afb_req req) noexcept
 557 {
 558     std::lock_guard<std::mutex> guard(binding_m);
 559 #ifdef ST
 560     ST();
 561 #endif
 562     if (g_afb_instance == nullptr)
 563     {
 564         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 565         return;
 566     }
 567
 568     try
 569     {
 570
 571         nlohmann::json j = g_afb_instance->app.id_alloc.name2id;
 572         auto ret = wm::Ok(json_tokener_parse(j.dump().c_str()));
 573         if (ret.is_err())
 574         {
 575             afb_req_fail(req, "failed", ret.unwrap_err());
 576             return;
 577         }
 578
 579         afb_req_success(req, ret.unwrap(), "success");
 580     }
 581     catch (std::exception &e)
 582     {
 583         afb_req_fail_f(req, "failed", "Uncaught exception while calling list_drawing_names: %s", e.what());
 584         return;
 585     }
 586 }
 587
 588 void windowmanager_ping(afb_req req) noexcept
 589 {
 590     std::lock_guard<std::mutex> guard(binding_m);
 591 #ifdef ST
 592     ST();
 593 #endif
 594     if (g_afb_instance == nullptr)
 595     {
 596         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 597         return;
 598     }
 599
 600     try
 601     {
 602
 603         g_afb_instance->app.api_ping();
 604
 605         afb_req_success(req, NULL, "success");
 606     }
 607     catch (std::exception &e)
 608     {
 609         afb_req_fail_f(req, "failed", "Uncaught exception while calling ping: %s", e.what());
 610         return;
 611     }
 612 }
 613
 614 void windowmanager_debug_status(afb_req req) noexcept
 615 {
 616     std::lock_guard<std::mutex> guard(binding_m);
 617 #ifdef ST
 618     ST();
 619 #endif
 620     if (g_afb_instance == nullptr)
 621     {
 622         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 623         return;
 624     }
 625
 626     try
 627     {
 628
 629         json_object *jr = json_object_new_object();
 630         json_object_object_add(jr, "surfaces",
 631                                to_json(g_afb_instance->app.controller->sprops));
 632         json_object_object_add(jr, "layers", to_json(g_afb_instance->app.controller->lprops));
 633
 634         afb_req_success(req, jr, "success");
 635     }
 636     catch (std::exception &e)
 637     {
 638         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_status: %s", e.what());
 639         return;
 640     }
 641 }
 642
 643 void windowmanager_debug_layers(afb_req req) noexcept
 644 {
 645     std::lock_guard<std::mutex> guard(binding_m);
 646 #ifdef ST
 647     ST();
 648 #endif
 649     if (g_afb_instance == nullptr)
 650     {
 651         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 652         return;
 653     }
 654
 655     try
 656     {
 657         auto ret = wm::Ok(json_tokener_parse(g_afb_instance->app.layers.to_json().dump().c_str()));
 658
 659         afb_req_success(req, ret, "success");
 660     }
 661     catch (std::exception &e)
 662     {
 663         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_layers: %s", e.what());
 664         return;
 665     }
 666 }
 667
 668 void windowmanager_debug_surfaces(afb_req req) noexcept
 669 {
 670     std::lock_guard<std::mutex> guard(binding_m);
 671 #ifdef ST
 672     ST();
 673 #endif
 674     if (g_afb_instance == nullptr)
 675     {
 676         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 677         return;
 678     }
 679
 680     try
 681     {
 682
 683         auto ret = wm::Ok(to_json(g_afb_instance->app.controller->sprops));
 684         if (ret.is_err())
 685         {
 686             afb_req_fail(req, "failed", ret.unwrap_err());
 687             return;
 688         }
 689
 690         afb_req_success(req, ret.unwrap(), "success");
 691     }
 692     catch (std::exception &e)
 693     {
 694         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_surfaces: %s", e.what());
 695         return;
 696     }
 697 }
 698
 699 void windowmanager_debug_terminate(afb_req req) noexcept
 700 {
 701     std::lock_guard<std::mutex> guard(binding_m);
 702 #ifdef ST
 703     ST();
 704 #endif
 705     if (g_afb_instance == nullptr)
 706     {
 707         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 708         return;
 709     }
 710
 711     try
 712     {
 713
 714         if (getenv("WINMAN_DEBUG_TERMINATE") != nullptr)
 715         {
 716             raise(SIGKILL); // afb-daemon kills it's pgroup using TERM, which
 717                             // doesn't play well with perf
 718         }
 719
 720         afb_req_success(req, NULL, "success");
 721     }
 722     catch (std::exception &e)
 723     {
 724         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_terminate: %s", e.what());
 725         return;
 726     }
 727 }
 728
 729 const struct afb_verb_v2 windowmanager_verbs[] = {
 730     {"requestsurface", windowmanager_requestsurface, nullptr, nullptr, AFB_SESSION_NONE},
 731     {"requestsurfacexdg", windowmanager_requestsurfacexdg, nullptr, nullptr, AFB_SESSION_NONE},
 732     {"activatesurface", windowmanager_activatesurface, nullptr, nullptr, AFB_SESSION_LOA_1},
 733     {"deactivatesurface", windowmanager_deactivatesurface, nullptr, nullptr, AFB_SESSION_LOA_1},
 734     {"enddraw", windowmanager_enddraw, nullptr, nullptr, AFB_SESSION_LOA_1},
 735     {"getdisplayinfo", windowmanager_getdisplayinfo_thunk, nullptr, nullptr, AFB_SESSION_NONE},
 736     {"getareainfo", windowmanager_getareainfo_thunk, nullptr, nullptr, AFB_SESSION_LOA_1},
 737     {"wm_subscribe", windowmanager_wm_subscribe, nullptr, nullptr, AFB_SESSION_NONE},
 738     {"list_drawing_names", windowmanager_list_drawing_names, nullptr, nullptr, AFB_SESSION_NONE},
 739     {"ping", windowmanager_ping, nullptr, nullptr, AFB_SESSION_NONE},
 740     {"debug_status", windowmanager_debug_status, nullptr, nullptr, AFB_SESSION_NONE},
 741     {"debug_layers", windowmanager_debug_layers, nullptr, nullptr, AFB_SESSION_NONE},
 742     {"debug_surfaces", windowmanager_debug_surfaces, nullptr, nullptr, AFB_SESSION_NONE},
 743     {"debug_terminate", windowmanager_debug_terminate, nullptr, nullptr, AFB_SESSION_NONE},
 744     {}};
 745
 746 extern "C" const struct afb_binding_v2 afbBindingV2 = {
 747     "windowmanager", nullptr, nullptr, windowmanager_verbs, nullptr, binding_init, nullptr, 0};