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 "../include/json.hpp"
  22 #include "window_manager.hpp"
  23 #include "json_helper.hpp"
  24 #include "wayland_ivi_wm.hpp"
  25
  26 extern "C"
  27 {
  28 #include <afb/afb-binding.h>
  29 #include <systemd/sd-event.h>
  30 }
  31
  32 typedef struct WMClientCtxt
  33 {
  34     std::string name;
  35     std::string role;
  36     WMClientCtxt(const char *appName, const char* appRole)
  37     {
  38         name = appName;
  39         role = appRole;
  40     }
  41 } WMClientCtxt;
  42
  43 struct afb_instance
  44 {
  45     std::unique_ptr<wl::display> display;
  46     wm::WindowManager wmgr;
  47
  48     afb_instance() : display{new wl::display}, wmgr{this->display.get()} {}
  49
  50     int init();
  51 };
  52
  53 struct afb_instance *g_afb_instance;
  54 std::mutex binding_m;
  55
  56 int afb_instance::init()
  57 {
  58     return this->wmgr.init();
  59 }
  60
  61 int display_event_callback(sd_event_source *evs, int /*fd*/, uint32_t events,
  62                            void * /*data*/)
  63 {
  64     ST();
  65
  66     if ((events & EPOLLHUP) != 0)
  67     {
  68         HMI_ERROR("wm", "The compositor hung up, dying now.");
  69         delete g_afb_instance;
  70         g_afb_instance = nullptr;
  71         goto error;
  72     }
  73
  74     if ((events & EPOLLIN) != 0u)
  75     {
  76         {
  77             STN(display_read_events);
  78             g_afb_instance->wmgr.display->read_events();
  79             g_afb_instance->wmgr.set_pending_events();
  80         }
  81         {
  82             // We want do dispatch pending wayland events from within
  83             // the API context
  84             STN(winman_ping_api_call);
  85             afb_service_call("windowmanager", "ping", json_object_new_object(),
  86                             [](void *c, int st, json_object *j) {
  87                                 STN(winman_ping_api_call_return);
  88                             },
  89                             nullptr);
  90         }
  91     }
  92
  93     return 0;
  94
  95 error:
  96     sd_event_source_unref(evs);
  97     if (getenv("WINMAN_EXIT_ON_HANGUP") != nullptr)
  98     {
  99         exit(1);
 100     }
 101     return -1;
 102 }
 103
 104 int _binding_init()
 105 {
 106     HMI_NOTICE("wm", "WinMan ver. %s", WINMAN_VERSION_STRING);
 107
 108     if (g_afb_instance != nullptr)
 109     {
 110         HMI_ERROR("wm", "Wayland context already initialized?");
 111         return 0;
 112     }
 113
 114     if (getenv("XDG_RUNTIME_DIR") == nullptr)
 115     {
 116         HMI_ERROR("wm", "Environment variable XDG_RUNTIME_DIR not set");
 117         goto error;
 118     }
 119
 120     {
 121         // wait until wayland compositor starts up.
 122         int cnt = 0;
 123         g_afb_instance = new afb_instance;
 124         while (!g_afb_instance->display->ok())
 125         {
 126             cnt++;
 127             if (20 <= cnt)
 128             {
 129                 HMI_ERROR("wm", "Could not connect to compositor");
 130                 goto error;
 131             }
 132             HMI_ERROR("wm", "Wait to start weston ...");
 133             sleep(1);
 134             delete g_afb_instance;
 135             g_afb_instance = new afb_instance;
 136         }
 137     }
 138
 139     if (g_afb_instance->init() == -1)
 140     {
 141         HMI_ERROR("wm", "Could not connect to compositor");
 142         goto error;
 143     }
 144
 145     {
 146         int ret = sd_event_add_io(afb_daemon_get_event_loop(), nullptr,
 147                                   g_afb_instance->display->get_fd(), EPOLLIN,
 148                                   display_event_callback, g_afb_instance);
 149         if (ret < 0)
 150         {
 151             HMI_ERROR("wm", "Could not initialize afb_instance event handler: %d", -ret);
 152             goto error;
 153         }
 154     }
 155
 156     atexit([] { delete g_afb_instance; });
 157
 158     return 0;
 159
 160 error:
 161     delete g_afb_instance;
 162     g_afb_instance = nullptr;
 163     return -1;
 164 }
 165
 166 int binding_init() noexcept
 167 {
 168     try
 169     {
 170         return _binding_init();
 171     }
 172     catch (std::exception &e)
 173     {
 174         HMI_ERROR("wm", "Uncaught exception in binding_init(): %s", e.what());
 175     }
 176     return -1;
 177 }
 178
 179 static void cbRemoveClientCtxt(void *data)
 180 {
 181     WMClientCtxt *ctxt = (WMClientCtxt *)data;
 182     if (ctxt == nullptr)
 183     {
 184         return;
 185     }
 186     HMI_DEBUG("wm", "remove app %s", ctxt->name.c_str());
 187
 188     // Policy Manager does not know this app was killed,
 189     // so notify it by deactivate request.
 190     g_afb_instance->wmgr.api_deactivate_surface(
 191         ctxt->name.c_str(), ctxt->role.c_str(),
 192         [](const char *) {});
 193
 194     g_afb_instance->wmgr.removeClient(ctxt->name);
 195     delete ctxt;
 196 }
 197
 198 static void createSecurityContext(afb_req req, const char* appid, const char* role)
 199 {
 200     WMClientCtxt *ctxt = (WMClientCtxt *)afb_req_context_get(req);
 201     if (!ctxt)
 202     {
 203         // Create Security Context at first time
 204         const char *new_role = g_afb_instance->wmgr.convertRoleOldToNew(role);
 205         WMClientCtxt *ctxt = new WMClientCtxt(appid, new_role);
 206         HMI_DEBUG("wm", "create session for %s", ctxt->name.c_str());
 207         afb_req_session_set_LOA(req, 1);
 208         afb_req_context_set(req, ctxt, cbRemoveClientCtxt);
 209     }
 210 }
 211
 212 void windowmanager_requestsurface(afb_req req) noexcept
 213 {
 214     std::lock_guard<std::mutex> guard(binding_m);
 215 #ifdef ST
 216     ST();
 217 #endif
 218     if (g_afb_instance == nullptr)
 219     {
 220         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 221         return;
 222     }
 223
 224     try
 225     {
 226         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 227         if (!a_drawing_name)
 228         {
 229             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 230             return;
 231         }
 232
 233         const char *appid = afb_req_get_application_id(req);
 234         auto ret = g_afb_instance->wmgr.api_request_surface(
 235             appid, a_drawing_name);
 236         if (ret.is_err())
 237         {
 238             afb_req_fail(req, "failed", ret.unwrap_err());
 239             return;
 240         }
 241
 242         createSecurityContext(req, appid, a_drawing_name);
 243
 244         afb_req_success(req, json_object_new_int(ret.unwrap()), "success");
 245     }
 246     catch (std::exception &e)
 247     {
 248         afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurface: %s", e.what());
 249         return;
 250     }
 251 }
 252
 253 void windowmanager_requestsurfacexdg(afb_req req) noexcept
 254 {
 255     std::lock_guard<std::mutex> guard(binding_m);
 256 #ifdef ST
 257     ST();
 258 #endif
 259     if (g_afb_instance == nullptr)
 260     {
 261         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 262         return;
 263     }
 264
 265     try
 266     {
 267         json_object *jreq = afb_req_json(req);
 268
 269         json_object *j_drawing_name = nullptr;
 270         if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
 271         {
 272             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 273             return;
 274         }
 275         char const *a_drawing_name = json_object_get_string(j_drawing_name);
 276
 277         json_object *j_ivi_id = nullptr;
 278         if (!json_object_object_get_ex(jreq, "ivi_id", &j_ivi_id))
 279         {
 280             afb_req_fail(req, "failed", "Need char const* argument ivi_id");
 281             return;
 282         }
 283         char const *a_ivi_id = json_object_get_string(j_ivi_id);
 284         char const *appid = afb_req_get_application_id(req);
 285         auto ret = g_afb_instance->wmgr.api_request_surface(
 286             appid, a_drawing_name, a_ivi_id);
 287
 288         if (ret != nullptr)
 289         {
 290             afb_req_fail(req, "failed", ret);
 291             return;
 292         }
 293
 294         createSecurityContext(req, appid, a_drawing_name);
 295
 296         afb_req_success(req, NULL, "success");
 297     }
 298     catch (std::exception &e)
 299     {
 300         afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurfacexdg: %s", e.what());
 301         return;
 302     }
 303 }
 304
 305 void windowmanager_setrole(afb_req req) noexcept
 306 {
 307     std::lock_guard<std::mutex> guard(binding_m);
 308     if (g_afb_instance == nullptr)
 309     {
 310         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 311         return;
 312     }
 313     try
 314     {
 315         unsigned pid = 0;
 316         char const *appid = afb_req_get_application_id(req);
 317         json_object *jreq = afb_req_json(req);
 318
 319         json_object *j_role = nullptr;
 320         if (!json_object_object_get_ex(jreq, "role", &j_role))
 321         {
 322             afb_req_fail(req, "failed", "Need char const* argument role");
 323             return;
 324         }
 325         char const *a_role = json_object_get_string(j_role);
 326
 327         json_object *j_pid = nullptr;
 328         if (json_object_object_get_ex(jreq, "pid", &j_pid))
 329         {
 330             HMI_DEBUG("wm", "PID is set");
 331             char const *a_pid = json_object_get_string(j_pid);
 332             pid = std::stol(a_pid);
 333         }
 334
 335         auto ret = g_afb_instance->wmgr.api_set_role(appid, a_role, pid);
 336         if (!ret)
 337         {
 338             afb_req_fail(req, "failed", "Couldn't register");
 339             return;
 340         }
 341
 342         createSecurityContext(req, appid, a_role);
 343
 344         afb_req_success(req, NULL, "success");
 345     }
 346     catch (std::exception &e)
 347     {
 348         afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurfacexdg: %s", e.what());
 349         return;
 350     }
 351 }
 352
 353 void windowmanager_activatewindow(afb_req req) noexcept
 354 {
 355     std::lock_guard<std::mutex> guard(binding_m);
 356 #ifdef ST
 357     ST();
 358 #endif
 359     if (g_afb_instance == nullptr)
 360     {
 361         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 362         return;
 363     }
 364
 365     try
 366     {
 367         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 368         if (!a_drawing_name)
 369         {
 370             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 371             return;
 372         }
 373
 374         const char *a_drawing_area = afb_req_value(req, "drawing_area");
 375         if (!a_drawing_area)
 376         {
 377             afb_req_fail(req, "failed", "Need char const* argument drawing_area");
 378             return;
 379         }
 380
 381         g_afb_instance->wmgr.api_activate_surface(
 382             afb_req_get_application_id(req),
 383             a_drawing_name, a_drawing_area,
 384             [&req](const char *errmsg) {
 385                 if (errmsg != nullptr)
 386                 {
 387                     HMI_ERROR("wm", errmsg);
 388                     afb_req_fail(req, "failed", errmsg);
 389                     return;
 390                 }
 391                 afb_req_success(req, NULL, "success");
 392             });
 393     }
 394     catch (std::exception &e)
 395     {
 396         HMI_WARNING("wm", "failed: Uncaught exception while calling activatesurface: %s", e.what());
 397         g_afb_instance->wmgr.exceptionProcessForTransition();
 398         return;
 399     }
 400 }
 401
 402 void windowmanager_deactivatewindow(afb_req req) noexcept
 403 {
 404     std::lock_guard<std::mutex> guard(binding_m);
 405 #ifdef ST
 406     ST();
 407 #endif
 408     if (g_afb_instance == nullptr)
 409     {
 410         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 411         return;
 412     }
 413
 414     try
 415     {
 416         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 417         if (!a_drawing_name)
 418         {
 419             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 420             return;
 421         }
 422
 423         g_afb_instance->wmgr.api_deactivate_surface(
 424             afb_req_get_application_id(req), a_drawing_name,
 425             [&req](const char *errmsg) {
 426                 if (errmsg != nullptr)
 427                 {
 428                     HMI_ERROR("wm", errmsg);
 429                     afb_req_fail(req, "failed", errmsg);
 430                     return;
 431                 }
 432                 afb_req_success(req, NULL, "success");
 433             });
 434     }
 435     catch (std::exception &e)
 436     {
 437         HMI_WARNING("wm", "failed: Uncaught exception while calling deactivatesurface: %s", e.what());
 438         g_afb_instance->wmgr.exceptionProcessForTransition();
 439         return;
 440     }
 441 }
 442
 443 void windowmanager_enddraw(afb_req req) noexcept
 444 {
 445     std::lock_guard<std::mutex> guard(binding_m);
 446 #ifdef ST
 447     ST();
 448 #endif
 449     if (g_afb_instance == nullptr)
 450     {
 451         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 452         return;
 453     }
 454
 455     try
 456     {
 457         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 458         if (!a_drawing_name)
 459         {
 460             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 461             return;
 462         }
 463         afb_req_success(req, NULL, "success");
 464
 465         g_afb_instance->wmgr.api_enddraw(
 466             afb_req_get_application_id(req), a_drawing_name);
 467     }
 468     catch (std::exception &e)
 469     {
 470         HMI_WARNING("wm", "failed: Uncaught exception while calling enddraw: %s", e.what());
 471         g_afb_instance->wmgr.exceptionProcessForTransition();
 472         return;
 473     }
 474 }
 475
 476 void windowmanager_getdisplayinfo_thunk(afb_req req) noexcept
 477 {
 478     std::lock_guard<std::mutex> guard(binding_m);
 479 #ifdef ST
 480     ST();
 481 #endif
 482     if (g_afb_instance == nullptr)
 483     {
 484         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 485         return;
 486     }
 487
 488     try
 489     {
 490         auto ret = g_afb_instance->wmgr.api_get_display_info();
 491         if (ret.is_err())
 492         {
 493             afb_req_fail(req, "failed", ret.unwrap_err());
 494             return;
 495         }
 496
 497         afb_req_success(req, ret.unwrap(), "success");
 498     }
 499     catch (std::exception &e)
 500     {
 501         afb_req_fail_f(req, "failed", "Uncaught exception while calling getdisplayinfo: %s", e.what());
 502         return;
 503     }
 504 }
 505
 506 void windowmanager_getareainfo_thunk(afb_req req) noexcept
 507 {
 508     std::lock_guard<std::mutex> guard(binding_m);
 509 #ifdef ST
 510     ST();
 511 #endif
 512     if (g_afb_instance == nullptr)
 513     {
 514         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 515         return;
 516     }
 517
 518     try
 519     {
 520         json_object *jreq = afb_req_json(req);
 521
 522         json_object *j_drawing_name = nullptr;
 523         if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
 524         {
 525             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 526             return;
 527         }
 528         char const *a_drawing_name = json_object_get_string(j_drawing_name);
 529
 530         auto ret = g_afb_instance->wmgr.api_get_area_info(a_drawing_name);
 531         if (ret.is_err())
 532         {
 533             afb_req_fail(req, "failed", ret.unwrap_err());
 534             return;
 535         }
 536
 537         afb_req_success(req, ret.unwrap(), "success");
 538     }
 539     catch (std::exception &e)
 540     {
 541         afb_req_fail_f(req, "failed", "Uncaught exception while calling getareainfo: %s", e.what());
 542         return;
 543     }
 544 }
 545
 546 void windowmanager_wm_subscribe(afb_req req) noexcept
 547 {
 548     std::lock_guard<std::mutex> guard(binding_m);
 549 #ifdef ST
 550     ST();
 551 #endif
 552     if (g_afb_instance == nullptr)
 553     {
 554         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 555         return;
 556     }
 557
 558     try
 559     {
 560         json_object *jreq = afb_req_json(req);
 561         json_object *j = nullptr;
 562         if (!json_object_object_get_ex(jreq, "event", &j))
 563         {
 564             afb_req_fail(req, "failed", "Need char const* argument event");
 565             return;
 566         }
 567         int event_type = json_object_get_int(j);
 568         const char *event_name = g_afb_instance->wmgr.kListEventName[event_type];
 569         struct afb_event event = g_afb_instance->wmgr.map_afb_event[event_name];
 570         int ret = afb_req_subscribe(req, event);
 571         if (ret)
 572         {
 573             afb_req_fail(req, "failed", "Error: afb_req_subscribe()");
 574             return;
 575         }
 576         afb_req_success(req, NULL, "success");
 577     }
 578     catch (std::exception &e)
 579     {
 580         afb_req_fail_f(req, "failed", "Uncaught exception while calling wm_subscribe: %s", e.what());
 581         return;
 582     }
 583 }
 584
 585 void windowmanager_list_drawing_names(afb_req req) noexcept
 586 {
 587     std::lock_guard<std::mutex> guard(binding_m);
 588 #ifdef ST
 589     ST();
 590 #endif
 591     if (g_afb_instance == nullptr)
 592     {
 593         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 594         return;
 595     }
 596
 597     try
 598     {
 599
 600         nlohmann::json j = g_afb_instance->wmgr.id_alloc.name2id;
 601         auto ret = wm::Ok(json_tokener_parse(j.dump().c_str()));
 602         if (ret.is_err())
 603         {
 604             afb_req_fail(req, "failed", ret.unwrap_err());
 605             return;
 606         }
 607
 608         afb_req_success(req, ret.unwrap(), "success");
 609     }
 610     catch (std::exception &e)
 611     {
 612         afb_req_fail_f(req, "failed", "Uncaught exception while calling list_drawing_names: %s", e.what());
 613         return;
 614     }
 615 }
 616
 617 void windowmanager_ping(afb_req req) noexcept
 618 {
 619     std::lock_guard<std::mutex> guard(binding_m);
 620 #ifdef ST
 621     ST();
 622 #endif
 623     if (g_afb_instance == nullptr)
 624     {
 625         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 626         return;
 627     }
 628
 629     try
 630     {
 631
 632         g_afb_instance->wmgr.api_ping();
 633
 634         afb_req_success(req, NULL, "success");
 635     }
 636     catch (std::exception &e)
 637     {
 638         afb_req_fail_f(req, "failed", "Uncaught exception while calling ping: %s", e.what());
 639         return;
 640     }
 641 }
 642
 643 void windowmanager_debug_status(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
 658         json_object *jr = json_object_new_object();
 659         json_object_object_add(jr, "surfaces",
 660                                to_json(g_afb_instance->wmgr.controller->sprops));
 661         json_object_object_add(jr, "layers", to_json(g_afb_instance->wmgr.controller->lprops));
 662
 663         afb_req_success(req, jr, "success");
 664     }
 665     catch (std::exception &e)
 666     {
 667         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_status: %s", e.what());
 668         return;
 669     }
 670 }
 671
 672 void windowmanager_debug_layers(afb_req req) noexcept
 673 {
 674     std::lock_guard<std::mutex> guard(binding_m);
 675 #ifdef ST
 676     ST();
 677 #endif
 678     if (g_afb_instance == nullptr)
 679     {
 680         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 681         return;
 682     }
 683
 684     try
 685     {
 686         auto ret = wm::Ok(json_tokener_parse(g_afb_instance->wmgr.layers.to_json().dump().c_str()));
 687
 688         afb_req_success(req, ret, "success");
 689     }
 690     catch (std::exception &e)
 691     {
 692         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_layers: %s", e.what());
 693         return;
 694     }
 695 }
 696
 697 void windowmanager_debug_surfaces(afb_req req) noexcept
 698 {
 699     std::lock_guard<std::mutex> guard(binding_m);
 700 #ifdef ST
 701     ST();
 702 #endif
 703     if (g_afb_instance == nullptr)
 704     {
 705         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 706         return;
 707     }
 708
 709     try
 710     {
 711
 712         auto ret = wm::Ok(to_json(g_afb_instance->wmgr.controller->sprops));
 713         if (ret.is_err())
 714         {
 715             afb_req_fail(req, "failed", ret.unwrap_err());
 716             return;
 717         }
 718
 719         afb_req_success(req, ret.unwrap(), "success");
 720     }
 721     catch (std::exception &e)
 722     {
 723         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_surfaces: %s", e.what());
 724         return;
 725     }
 726 }
 727
 728 void windowmanager_debug_terminate(afb_req req) noexcept
 729 {
 730     std::lock_guard<std::mutex> guard(binding_m);
 731 #ifdef ST
 732     ST();
 733 #endif
 734     if (g_afb_instance == nullptr)
 735     {
 736         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 737         return;
 738     }
 739
 740     try
 741     {
 742
 743         if (getenv("WINMAN_DEBUG_TERMINATE") != nullptr)
 744         {
 745             raise(SIGKILL); // afb-daemon kills it's pgroup using TERM, which
 746                             // doesn't play well with perf
 747         }
 748
 749         afb_req_success(req, NULL, "success");
 750     }
 751     catch (std::exception &e)
 752     {
 753         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_terminate: %s", e.what());
 754         return;
 755     }
 756 }
 757
 758 const struct afb_verb_v2 windowmanager_verbs[] = {
 759     {"requestsurface", windowmanager_requestsurface, nullptr, nullptr, AFB_SESSION_NONE},
 760     {"requestsurfacexdg", windowmanager_requestsurfacexdg, nullptr, nullptr, AFB_SESSION_NONE},
 761     {"setrole", windowmanager_setrole, nullptr, nullptr, AFB_SESSION_NONE},
 762     {"activatewindow", windowmanager_activatewindow, nullptr, nullptr, AFB_SESSION_NONE},
 763     {"deactivatewindow", windowmanager_deactivatewindow, nullptr, nullptr, AFB_SESSION_NONE},
 764     {"enddraw", windowmanager_enddraw, nullptr, nullptr, AFB_SESSION_NONE},
 765     {"getdisplayinfo", windowmanager_getdisplayinfo_thunk, nullptr, nullptr, AFB_SESSION_NONE},
 766     {"getareainfo", windowmanager_getareainfo_thunk, nullptr, nullptr, AFB_SESSION_NONE},
 767     {"wm_subscribe", windowmanager_wm_subscribe, nullptr, nullptr, AFB_SESSION_NONE},
 768     {"list_drawing_names", windowmanager_list_drawing_names, nullptr, nullptr, AFB_SESSION_NONE},
 769     {"ping", windowmanager_ping, nullptr, nullptr, AFB_SESSION_NONE},
 770     {"debug_status", windowmanager_debug_status, nullptr, nullptr, AFB_SESSION_NONE},
 771     {"debug_layers", windowmanager_debug_layers, nullptr, nullptr, AFB_SESSION_NONE},
 772     {"debug_surfaces", windowmanager_debug_surfaces, nullptr, nullptr, AFB_SESSION_NONE},
 773     {"debug_terminate", windowmanager_debug_terminate, nullptr, nullptr, AFB_SESSION_NONE},
 774     {}};
 775
 776 extern "C" const struct afb_binding_v2 afbBindingV2 = {
 777     "windowmanager", nullptr, nullptr, windowmanager_verbs, nullptr, binding_init, nullptr, 0};