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         auto o_state = *g_afb_instance->app.layers.get_layout_state(sid);
 201         if (o_state != nullptr)
 202         {
 203             if (o_state->main == sid)
 204             {
 205                 o_state->main = -1;
 206             }
 207             else if (o_state->sub == sid)
 208             {
 209                 o_state->sub = -1;
 210             }
 211         }
 212         g_afb_instance->app.id_alloc.remove_id(sid);
 213         g_afb_instance->app.layers.remove_surface(sid);
 214         g_afb_instance->app.controller->sprops.erase(sid);
 215         g_afb_instance->app.controller->surfaces.erase(sid);
 216         HMI_DEBUG("wm", "delete surfaceID %d", sid);
 217     }
 218     g_afb_instance->app.removeClient(ctxt->name);
 219     delete ctxt;
 220 }
 221
 222 void windowmanager_requestsurface(afb_req req) noexcept
 223 {
 224     std::lock_guard<std::mutex> guard(binding_m);
 225 #ifdef ST
 226     ST();
 227 #endif
 228     if (g_afb_instance == nullptr)
 229     {
 230         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 231         return;
 232     }
 233
 234     try
 235     {
 236         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 237         if (!a_drawing_name)
 238         {
 239             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 240             return;
 241         }
 242
 243         /* Create Security Context */
 244         bool isFirstReq = checkFirstReq(req);
 245         if (!isFirstReq)
 246         {
 247             WMClientCtxt *ctxt = (WMClientCtxt *)afb_req_context_get(req);
 248             HMI_DEBUG("wm", "You're %s.", ctxt->name.c_str());
 249             if (ctxt->name != std::string(a_drawing_name))
 250             {
 251                 afb_req_fail_f(req, "failed", "Dont request with other name: %s for now", a_drawing_name);
 252                 HMI_DEBUG("wm", "Don't request with other name: %s for now", a_drawing_name);
 253                 return;
 254             }
 255         }
 256
 257         auto ret = g_afb_instance->app.api_request_surface(
 258             afb_req_get_application_id(req), a_drawing_name);
 259
 260         if (isFirstReq)
 261         {
 262             WMClientCtxt *ctxt = new WMClientCtxt(afb_req_get_application_id(req), a_drawing_name);
 263             HMI_DEBUG("wm", "create session for %s", ctxt->name.c_str());
 264             afb_req_session_set_LOA(req, 1);
 265             afb_req_context_set(req, ctxt, cbRemoveClientCtxt);
 266         }
 267         else
 268         {
 269             HMI_DEBUG("wm", "session already created for %s", a_drawing_name);
 270         }
 271
 272         if (ret.is_err())
 273         {
 274             afb_req_fail(req, "failed", ret.unwrap_err());
 275             return;
 276         }
 277
 278         afb_req_success(req, json_object_new_int(ret.unwrap()), "success");
 279     }
 280     catch (std::exception &e)
 281     {
 282         afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurface: %s", e.what());
 283         return;
 284     }
 285 }
 286
 287 void windowmanager_requestsurfacexdg(afb_req req) noexcept
 288 {
 289     std::lock_guard<std::mutex> guard(binding_m);
 290 #ifdef ST
 291     ST();
 292 #endif
 293     if (g_afb_instance == nullptr)
 294     {
 295         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 296         return;
 297     }
 298
 299     try
 300     {
 301         json_object *jreq = afb_req_json(req);
 302
 303         json_object *j_drawing_name = nullptr;
 304         if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
 305         {
 306             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 307             return;
 308         }
 309         char const *a_drawing_name = json_object_get_string(j_drawing_name);
 310
 311         json_object *j_ivi_id = nullptr;
 312         if (!json_object_object_get_ex(jreq, "ivi_id", &j_ivi_id))
 313         {
 314             afb_req_fail(req, "failed", "Need char const* argument ivi_id");
 315             return;
 316         }
 317         char const *a_ivi_id = json_object_get_string(j_ivi_id);
 318
 319         auto ret = g_afb_instance->app.api_request_surface(
 320             afb_req_get_application_id(req), a_drawing_name, a_ivi_id);
 321         if (ret != nullptr)
 322         {
 323             afb_req_fail(req, "failed", ret);
 324             return;
 325         }
 326
 327         afb_req_success(req, NULL, "success");
 328     }
 329     catch (std::exception &e)
 330     {
 331         afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurfacexdg: %s", e.what());
 332         return;
 333     }
 334 }
 335
 336 void windowmanager_activatesurface(afb_req req) noexcept
 337 {
 338     std::lock_guard<std::mutex> guard(binding_m);
 339 #ifdef ST
 340     ST();
 341 #endif
 342     if (g_afb_instance == nullptr)
 343     {
 344         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 345         return;
 346     }
 347
 348     try
 349     {
 350         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 351         if (!a_drawing_name)
 352         {
 353             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 354             return;
 355         }
 356
 357         const char *a_drawing_area = afb_req_value(req, "drawing_area");
 358         if (!a_drawing_area)
 359         {
 360             afb_req_fail(req, "failed", "Need char const* argument drawing_area");
 361             return;
 362         }
 363
 364         g_afb_instance->app.api_activate_surface(
 365             afb_req_get_application_id(req),
 366             a_drawing_name, a_drawing_area,
 367             [&req](const char *errmsg) {
 368                 if (errmsg != nullptr)
 369                 {
 370                     HMI_ERROR("wm", errmsg);
 371                     afb_req_fail(req, "failed", errmsg);
 372                     return;
 373                 }
 374                 afb_req_success(req, NULL, "success");
 375             });
 376     }
 377     catch (std::exception &e)
 378     {
 379         HMI_WARNING("wm", "failed: Uncaught exception while calling activatesurface: %s", e.what());
 380         g_afb_instance->app.exeptionProcessForTransition();
 381         return;
 382     }
 383 }
 384
 385 void windowmanager_deactivatesurface(afb_req req) noexcept
 386 {
 387     std::lock_guard<std::mutex> guard(binding_m);
 388 #ifdef ST
 389     ST();
 390 #endif
 391     if (g_afb_instance == nullptr)
 392     {
 393         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 394         return;
 395     }
 396
 397     try
 398     {
 399         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 400         if (!a_drawing_name)
 401         {
 402             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 403             return;
 404         }
 405
 406         g_afb_instance->app.api_deactivate_surface(
 407             afb_req_get_application_id(req), a_drawing_name,
 408             [&req](const char *errmsg) {
 409                 if (errmsg != nullptr)
 410                 {
 411                     HMI_ERROR("wm", errmsg);
 412                     afb_req_fail(req, "failed", errmsg);
 413                     return;
 414                 }
 415                 afb_req_success(req, NULL, "success");
 416             });
 417     }
 418     catch (std::exception &e)
 419     {
 420         HMI_WARNING("wm", "failed: Uncaught exception while calling deactivatesurface: %s", e.what());
 421         g_afb_instance->app.exeptionProcessForTransition();
 422         return;
 423     }
 424 }
 425
 426 void windowmanager_enddraw(afb_req req) noexcept
 427 {
 428     std::lock_guard<std::mutex> guard(binding_m);
 429 #ifdef ST
 430     ST();
 431 #endif
 432     if (g_afb_instance == nullptr)
 433     {
 434         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 435         return;
 436     }
 437
 438     try
 439     {
 440         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 441         if (!a_drawing_name)
 442         {
 443             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 444             return;
 445         }
 446         afb_req_success(req, NULL, "success");
 447
 448         g_afb_instance->app.api_enddraw(
 449             afb_req_get_application_id(req), a_drawing_name);
 450     }
 451     catch (std::exception &e)
 452     {
 453         HMI_WARNING("wm", "failed: Uncaught exception while calling enddraw: %s", e.what());
 454         g_afb_instance->app.exeptionProcessForTransition();
 455         return;
 456     }
 457 }
 458
 459 void windowmanager_getdisplayinfo_thunk(afb_req req) noexcept
 460 {
 461     std::lock_guard<std::mutex> guard(binding_m);
 462 #ifdef ST
 463     ST();
 464 #endif
 465     if (g_afb_instance == nullptr)
 466     {
 467         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 468         return;
 469     }
 470
 471     try
 472     {
 473         auto ret = g_afb_instance->app.api_get_display_info();
 474         if (ret.is_err())
 475         {
 476             afb_req_fail(req, "failed", ret.unwrap_err());
 477             return;
 478         }
 479
 480         afb_req_success(req, ret.unwrap(), "success");
 481     }
 482     catch (std::exception &e)
 483     {
 484         afb_req_fail_f(req, "failed", "Uncaught exception while calling getdisplayinfo: %s", e.what());
 485         return;
 486     }
 487 }
 488
 489 void windowmanager_getareainfo_thunk(afb_req req) noexcept
 490 {
 491     std::lock_guard<std::mutex> guard(binding_m);
 492 #ifdef ST
 493     ST();
 494 #endif
 495     if (g_afb_instance == nullptr)
 496     {
 497         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 498         return;
 499     }
 500
 501     try
 502     {
 503         json_object *jreq = afb_req_json(req);
 504
 505         json_object *j_drawing_name = nullptr;
 506         if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
 507         {
 508             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 509             return;
 510         }
 511         char const *a_drawing_name = json_object_get_string(j_drawing_name);
 512
 513         auto ret = g_afb_instance->app.api_get_area_info(a_drawing_name);
 514         if (ret.is_err())
 515         {
 516             afb_req_fail(req, "failed", ret.unwrap_err());
 517             return;
 518         }
 519
 520         afb_req_success(req, ret.unwrap(), "success");
 521     }
 522     catch (std::exception &e)
 523     {
 524         afb_req_fail_f(req, "failed", "Uncaught exception while calling getareainfo: %s", e.what());
 525         return;
 526     }
 527 }
 528
 529 void windowmanager_wm_subscribe(afb_req req) noexcept
 530 {
 531     std::lock_guard<std::mutex> guard(binding_m);
 532 #ifdef ST
 533     ST();
 534 #endif
 535     if (g_afb_instance == nullptr)
 536     {
 537         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 538         return;
 539     }
 540
 541     try
 542     {
 543         json_object *jreq = afb_req_json(req);
 544         json_object *j = nullptr;
 545         if (!json_object_object_get_ex(jreq, "event", &j))
 546         {
 547             afb_req_fail(req, "failed", "Need char const* argument event");
 548             return;
 549         }
 550         int event_type = json_object_get_int(j);
 551         const char *event_name = g_afb_instance->app.kListEventName[event_type];
 552         struct afb_event event = g_afb_instance->app.map_afb_event[event_name];
 553         int ret = afb_req_subscribe(req, event);
 554         if (ret)
 555         {
 556             afb_req_fail(req, "failed", "Error: afb_req_subscribe()");
 557             return;
 558         }
 559         afb_req_success(req, NULL, "success");
 560     }
 561     catch (std::exception &e)
 562     {
 563         afb_req_fail_f(req, "failed", "Uncaught exception while calling wm_subscribe: %s", e.what());
 564         return;
 565     }
 566 }
 567
 568 void windowmanager_list_drawing_names(afb_req req) noexcept
 569 {
 570     std::lock_guard<std::mutex> guard(binding_m);
 571 #ifdef ST
 572     ST();
 573 #endif
 574     if (g_afb_instance == nullptr)
 575     {
 576         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 577         return;
 578     }
 579
 580     try
 581     {
 582
 583         nlohmann::json j = g_afb_instance->app.id_alloc.name2id;
 584         auto ret = wm::Ok(json_tokener_parse(j.dump().c_str()));
 585         if (ret.is_err())
 586         {
 587             afb_req_fail(req, "failed", ret.unwrap_err());
 588             return;
 589         }
 590
 591         afb_req_success(req, ret.unwrap(), "success");
 592     }
 593     catch (std::exception &e)
 594     {
 595         afb_req_fail_f(req, "failed", "Uncaught exception while calling list_drawing_names: %s", e.what());
 596         return;
 597     }
 598 }
 599
 600 void windowmanager_ping(afb_req req) noexcept
 601 {
 602     std::lock_guard<std::mutex> guard(binding_m);
 603 #ifdef ST
 604     ST();
 605 #endif
 606     if (g_afb_instance == nullptr)
 607     {
 608         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 609         return;
 610     }
 611
 612     try
 613     {
 614
 615         g_afb_instance->app.api_ping();
 616
 617         afb_req_success(req, NULL, "success");
 618     }
 619     catch (std::exception &e)
 620     {
 621         afb_req_fail_f(req, "failed", "Uncaught exception while calling ping: %s", e.what());
 622         return;
 623     }
 624 }
 625
 626 void windowmanager_debug_status(afb_req req) noexcept
 627 {
 628     std::lock_guard<std::mutex> guard(binding_m);
 629 #ifdef ST
 630     ST();
 631 #endif
 632     if (g_afb_instance == nullptr)
 633     {
 634         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 635         return;
 636     }
 637
 638     try
 639     {
 640
 641         json_object *jr = json_object_new_object();
 642         json_object_object_add(jr, "surfaces",
 643                                to_json(g_afb_instance->app.controller->sprops));
 644         json_object_object_add(jr, "layers", to_json(g_afb_instance->app.controller->lprops));
 645
 646         afb_req_success(req, jr, "success");
 647     }
 648     catch (std::exception &e)
 649     {
 650         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_status: %s", e.what());
 651         return;
 652     }
 653 }
 654
 655 void windowmanager_debug_layers(afb_req req) noexcept
 656 {
 657     std::lock_guard<std::mutex> guard(binding_m);
 658 #ifdef ST
 659     ST();
 660 #endif
 661     if (g_afb_instance == nullptr)
 662     {
 663         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 664         return;
 665     }
 666
 667     try
 668     {
 669         auto ret = wm::Ok(json_tokener_parse(g_afb_instance->app.layers.to_json().dump().c_str()));
 670
 671         afb_req_success(req, ret, "success");
 672     }
 673     catch (std::exception &e)
 674     {
 675         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_layers: %s", e.what());
 676         return;
 677     }
 678 }
 679
 680 void windowmanager_debug_surfaces(afb_req req) noexcept
 681 {
 682     std::lock_guard<std::mutex> guard(binding_m);
 683 #ifdef ST
 684     ST();
 685 #endif
 686     if (g_afb_instance == nullptr)
 687     {
 688         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 689         return;
 690     }
 691
 692     try
 693     {
 694
 695         auto ret = wm::Ok(to_json(g_afb_instance->app.controller->sprops));
 696         if (ret.is_err())
 697         {
 698             afb_req_fail(req, "failed", ret.unwrap_err());
 699             return;
 700         }
 701
 702         afb_req_success(req, ret.unwrap(), "success");
 703     }
 704     catch (std::exception &e)
 705     {
 706         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_surfaces: %s", e.what());
 707         return;
 708     }
 709 }
 710
 711 void windowmanager_debug_terminate(afb_req req) noexcept
 712 {
 713     std::lock_guard<std::mutex> guard(binding_m);
 714 #ifdef ST
 715     ST();
 716 #endif
 717     if (g_afb_instance == nullptr)
 718     {
 719         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 720         return;
 721     }
 722
 723     try
 724     {
 725
 726         if (getenv("WINMAN_DEBUG_TERMINATE") != nullptr)
 727         {
 728             raise(SIGKILL); // afb-daemon kills it's pgroup using TERM, which
 729                             // doesn't play well with perf
 730         }
 731
 732         afb_req_success(req, NULL, "success");
 733     }
 734     catch (std::exception &e)
 735     {
 736         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_terminate: %s", e.what());
 737         return;
 738     }
 739 }
 740
 741 const struct afb_verb_v2 windowmanager_verbs[] = {
 742     {"requestsurface", windowmanager_requestsurface, nullptr, nullptr, AFB_SESSION_NONE},
 743     {"requestsurfacexdg", windowmanager_requestsurfacexdg, nullptr, nullptr, AFB_SESSION_NONE},
 744     {"activatesurface", windowmanager_activatesurface, nullptr, nullptr, AFB_SESSION_LOA_1},
 745     {"deactivatesurface", windowmanager_deactivatesurface, nullptr, nullptr, AFB_SESSION_LOA_1},
 746     {"enddraw", windowmanager_enddraw, nullptr, nullptr, AFB_SESSION_LOA_1},
 747     {"getdisplayinfo", windowmanager_getdisplayinfo_thunk, nullptr, nullptr, AFB_SESSION_NONE},
 748     {"getareainfo", windowmanager_getareainfo_thunk, nullptr, nullptr, AFB_SESSION_LOA_1},
 749     {"wm_subscribe", windowmanager_wm_subscribe, nullptr, nullptr, AFB_SESSION_NONE},
 750     {"list_drawing_names", windowmanager_list_drawing_names, nullptr, nullptr, AFB_SESSION_NONE},
 751     {"ping", windowmanager_ping, nullptr, nullptr, AFB_SESSION_NONE},
 752     {"debug_status", windowmanager_debug_status, nullptr, nullptr, AFB_SESSION_NONE},
 753     {"debug_layers", windowmanager_debug_layers, nullptr, nullptr, AFB_SESSION_NONE},
 754     {"debug_surfaces", windowmanager_debug_surfaces, nullptr, nullptr, AFB_SESSION_NONE},
 755     {"debug_terminate", windowmanager_debug_terminate, nullptr, nullptr, AFB_SESSION_NONE},
 756     {}};
 757
 758 extern "C" const struct afb_binding_v2 afbBindingV2 = {
 759     "windowmanager", nullptr, nullptr, windowmanager_verbs, nullptr, binding_init, nullptr, 0};