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 = role;
  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_setrole(afb_req req) noexcept
 325 {
 326     std::lock_guard<std::mutex> guard(binding_m);
 327     if (g_afb_instance == nullptr)
 328     {
 329         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 330         return;
 331     }
 332     try
 333     {
 334         unsigned pid = 0;
 335         std::string appid = afb_req_get_application_id(req);
 336         json_object *jreq = afb_req_json(req);
 337
 338         json_object *j_role = nullptr;
 339         if (!json_object_object_get_ex(jreq, "role", &j_role))
 340         {
 341             afb_req_fail(req, "failed", "Need char const* argument role");
 342             return;
 343         }
 344         char const *a_role = json_object_get_string(j_role);
 345
 346         /* Create Security Context */
 347         bool isFirstReq = checkFirstReq(req);
 348         /* if (!isFirstReq)
 349         {
 350             WMClientCtxt *ctxt = (WMClientCtxt *)afb_req_context_get(req);
 351             HMI_DEBUG("wm", "Set %s into %s.", a_role, appid.c_str());
 352         } */
 353
 354         json_object *j_pid = nullptr;
 355         if (json_object_object_get_ex(jreq, "pid", &j_pid))
 356         {
 357             HMI_DEBUG("wm", "PID is set");
 358             char const *a_pid = json_object_get_string(j_pid);
 359             pid = std::stol(a_pid);
 360         }
 361
 362         g_afb_instance->app.api_set_role(appid.c_str(), a_role, pid);
 363
 364         if (isFirstReq)
 365         {
 366             WMClientCtxt *ctxt = new WMClientCtxt(appid.c_str(), a_role);
 367             HMI_DEBUG("wm", "create session for appid:%s, role: %s", ctxt->name.c_str(), ctxt->role.c_str());
 368             afb_req_session_set_LOA(req, 1);
 369             afb_req_context_set(req, ctxt, cbRemoveClientCtxt);
 370         }
 371         else
 372         {
 373             HMI_DEBUG("wm", "session already created for %s", appid.c_str());
 374         }
 375
 376         afb_req_success(req, NULL, "success");
 377     }
 378     catch (std::exception &e)
 379     {
 380         afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurfacexdg: %s", e.what());
 381         return;
 382     }
 383 }
 384
 385 void windowmanager_activatesurface(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         const char *a_drawing_area = afb_req_value(req, "drawing_area");
 407         if (!a_drawing_area)
 408         {
 409             afb_req_fail(req, "failed", "Need char const* argument drawing_area");
 410             return;
 411         }
 412
 413         g_afb_instance->app.api_activate_surface(
 414             afb_req_get_application_id(req),
 415             a_drawing_name, a_drawing_area,
 416             [&req](const char *errmsg) {
 417                 if (errmsg != nullptr)
 418                 {
 419                     HMI_ERROR("wm", errmsg);
 420                     afb_req_fail(req, "failed", errmsg);
 421                     return;
 422                 }
 423                 afb_req_success(req, NULL, "success");
 424             });
 425     }
 426     catch (std::exception &e)
 427     {
 428         HMI_WARNING("wm", "failed", "Uncaught exception while calling activatesurface: %s", e.what());
 429         return;
 430     }
 431 }
 432
 433 void windowmanager_deactivatesurface(afb_req req) noexcept
 434 {
 435     std::lock_guard<std::mutex> guard(binding_m);
 436 #ifdef ST
 437     ST();
 438 #endif
 439     if (g_afb_instance == nullptr)
 440     {
 441         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 442         return;
 443     }
 444
 445     try
 446     {
 447         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 448         if (!a_drawing_name)
 449         {
 450             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 451             return;
 452         }
 453
 454         g_afb_instance->app.api_deactivate_surface(
 455             afb_req_get_application_id(req), a_drawing_name,
 456             [&req](const char *errmsg) {
 457                 if (errmsg != nullptr)
 458                 {
 459                     HMI_ERROR("wm", errmsg);
 460                     afb_req_fail(req, "failed", errmsg);
 461                     return;
 462                 }
 463                 afb_req_success(req, NULL, "success");
 464             });
 465     }
 466     catch (std::exception &e)
 467     {
 468         HMI_WARNING("wm", "Uncaught exception while calling deactivatesurface: %s", e.what());
 469         return;
 470     }
 471 }
 472
 473 void windowmanager_enddraw(afb_req req) noexcept
 474 {
 475     std::lock_guard<std::mutex> guard(binding_m);
 476 #ifdef ST
 477     ST();
 478 #endif
 479     if (g_afb_instance == nullptr)
 480     {
 481         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 482         return;
 483     }
 484
 485     try
 486     {
 487         const char *a_drawing_name = afb_req_value(req, "drawing_name");
 488         if (!a_drawing_name)
 489         {
 490             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 491             return;
 492         }
 493         afb_req_success(req, NULL, "success");
 494
 495         g_afb_instance->app.api_enddraw(
 496             afb_req_get_application_id(req), a_drawing_name);
 497     }
 498     catch (std::exception &e)
 499     {
 500         HMI_WARNING("wm", "failed", "Uncaught exception while calling enddraw: %s", e.what());
 501         return;
 502     }
 503 }
 504
 505 void windowmanager_getdisplayinfo_thunk(afb_req req) noexcept
 506 {
 507     std::lock_guard<std::mutex> guard(binding_m);
 508 #ifdef ST
 509     ST();
 510 #endif
 511     if (g_afb_instance == nullptr)
 512     {
 513         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 514         return;
 515     }
 516
 517     try
 518     {
 519         auto ret = g_afb_instance->app.api_get_display_info();
 520         if (ret.is_err())
 521         {
 522             afb_req_fail(req, "failed", ret.unwrap_err());
 523             return;
 524         }
 525
 526         afb_req_success(req, ret.unwrap(), "success");
 527     }
 528     catch (std::exception &e)
 529     {
 530         afb_req_fail_f(req, "failed", "Uncaught exception while calling getdisplayinfo: %s", e.what());
 531         return;
 532     }
 533 }
 534
 535 void windowmanager_getareainfo_thunk(afb_req req) noexcept
 536 {
 537     std::lock_guard<std::mutex> guard(binding_m);
 538 #ifdef ST
 539     ST();
 540 #endif
 541     if (g_afb_instance == nullptr)
 542     {
 543         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 544         return;
 545     }
 546
 547     try
 548     {
 549         json_object *jreq = afb_req_json(req);
 550
 551         json_object *j_drawing_name = nullptr;
 552         if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
 553         {
 554             afb_req_fail(req, "failed", "Need char const* argument drawing_name");
 555             return;
 556         }
 557         char const *a_drawing_name = json_object_get_string(j_drawing_name);
 558
 559         auto ret = g_afb_instance->app.api_get_area_info(a_drawing_name);
 560         if (ret.is_err())
 561         {
 562             afb_req_fail(req, "failed", ret.unwrap_err());
 563             return;
 564         }
 565
 566         afb_req_success(req, ret.unwrap(), "success");
 567     }
 568     catch (std::exception &e)
 569     {
 570         afb_req_fail_f(req, "failed", "Uncaught exception while calling getareainfo: %s", e.what());
 571         return;
 572     }
 573 }
 574
 575 void windowmanager_wm_subscribe(afb_req req) noexcept
 576 {
 577     std::lock_guard<std::mutex> guard(binding_m);
 578 #ifdef ST
 579     ST();
 580 #endif
 581     if (g_afb_instance == nullptr)
 582     {
 583         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 584         return;
 585     }
 586
 587     try
 588     {
 589         json_object *jreq = afb_req_json(req);
 590         json_object *j = nullptr;
 591         if (!json_object_object_get_ex(jreq, "event", &j))
 592         {
 593             afb_req_fail(req, "failed", "Need char const* argument event");
 594             return;
 595         }
 596         int event_type = json_object_get_int(j);
 597         const char *event_name = g_afb_instance->app.kListEventName[event_type];
 598         struct afb_event event = g_afb_instance->app.map_afb_event[event_name];
 599         int ret = afb_req_subscribe(req, event);
 600         if (ret)
 601         {
 602             afb_req_fail(req, "failed", "Error: afb_req_subscribe()");
 603             return;
 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 wm_subscribe: %s", e.what());
 610         return;
 611     }
 612 }
 613
 614 void windowmanager_list_drawing_names(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         nlohmann::json j = g_afb_instance->app.id_alloc.name2id;
 630         auto ret = wm::Ok(json_tokener_parse(j.dump().c_str()));
 631         if (ret.is_err())
 632         {
 633             afb_req_fail(req, "failed", ret.unwrap_err());
 634             return;
 635         }
 636
 637         afb_req_success(req, ret.unwrap(), "success");
 638     }
 639     catch (std::exception &e)
 640     {
 641         afb_req_fail_f(req, "failed", "Uncaught exception while calling list_drawing_names: %s", e.what());
 642         return;
 643     }
 644 }
 645
 646 void windowmanager_ping(afb_req req) noexcept
 647 {
 648     std::lock_guard<std::mutex> guard(binding_m);
 649 #ifdef ST
 650     ST();
 651 #endif
 652     if (g_afb_instance == nullptr)
 653     {
 654         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 655         return;
 656     }
 657
 658     try
 659     {
 660
 661         g_afb_instance->app.api_ping();
 662
 663         afb_req_success(req, NULL, "success");
 664     }
 665     catch (std::exception &e)
 666     {
 667         afb_req_fail_f(req, "failed", "Uncaught exception while calling ping: %s", e.what());
 668         return;
 669     }
 670 }
 671
 672 void windowmanager_debug_status(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
 687         json_object *jr = json_object_new_object();
 688         json_object_object_add(jr, "surfaces",
 689                                to_json(g_afb_instance->app.controller->sprops));
 690         json_object_object_add(jr, "layers", to_json(g_afb_instance->app.controller->lprops));
 691
 692         afb_req_success(req, jr, "success");
 693     }
 694     catch (std::exception &e)
 695     {
 696         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_status: %s", e.what());
 697         return;
 698     }
 699 }
 700
 701 void windowmanager_debug_layers(afb_req req) noexcept
 702 {
 703     std::lock_guard<std::mutex> guard(binding_m);
 704 #ifdef ST
 705     ST();
 706 #endif
 707     if (g_afb_instance == nullptr)
 708     {
 709         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 710         return;
 711     }
 712
 713     try
 714     {
 715         auto ret = wm::Ok(json_tokener_parse(g_afb_instance->app.layers.to_json().dump().c_str()));
 716
 717         afb_req_success(req, ret, "success");
 718     }
 719     catch (std::exception &e)
 720     {
 721         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_layers: %s", e.what());
 722         return;
 723     }
 724 }
 725
 726 void windowmanager_debug_surfaces(afb_req req) noexcept
 727 {
 728     std::lock_guard<std::mutex> guard(binding_m);
 729 #ifdef ST
 730     ST();
 731 #endif
 732     if (g_afb_instance == nullptr)
 733     {
 734         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 735         return;
 736     }
 737
 738     try
 739     {
 740
 741         auto ret = wm::Ok(to_json(g_afb_instance->app.controller->sprops));
 742         if (ret.is_err())
 743         {
 744             afb_req_fail(req, "failed", ret.unwrap_err());
 745             return;
 746         }
 747
 748         afb_req_success(req, ret.unwrap(), "success");
 749     }
 750     catch (std::exception &e)
 751     {
 752         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_surfaces: %s", e.what());
 753         return;
 754     }
 755 }
 756
 757 void windowmanager_debug_terminate(afb_req req) noexcept
 758 {
 759     std::lock_guard<std::mutex> guard(binding_m);
 760 #ifdef ST
 761     ST();
 762 #endif
 763     if (g_afb_instance == nullptr)
 764     {
 765         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
 766         return;
 767     }
 768
 769     try
 770     {
 771
 772         if (getenv("WINMAN_DEBUG_TERMINATE") != nullptr)
 773         {
 774             raise(SIGKILL); // afb-daemon kills it's pgroup using TERM, which
 775                             // doesn't play well with perf
 776         }
 777
 778         afb_req_success(req, NULL, "success");
 779     }
 780     catch (std::exception &e)
 781     {
 782         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_terminate: %s", e.what());
 783         return;
 784     }
 785 }
 786
 787 const struct afb_verb_v2 windowmanager_verbs[] = {
 788     {"requestsurface", windowmanager_requestsurface, nullptr, nullptr, AFB_SESSION_NONE},
 789     {"requestsurfacexdg", windowmanager_requestsurfacexdg, nullptr, nullptr, AFB_SESSION_NONE},
 790     {"setrole", windowmanager_setrole, nullptr, nullptr, AFB_SESSION_NONE},
 791     {"activatesurface", windowmanager_activatesurface, nullptr, nullptr, AFB_SESSION_LOA_1},
 792     {"deactivatesurface", windowmanager_deactivatesurface, nullptr, nullptr, AFB_SESSION_LOA_1},
 793     {"enddraw", windowmanager_enddraw, nullptr, nullptr, AFB_SESSION_LOA_1},
 794     {"getdisplayinfo", windowmanager_getdisplayinfo_thunk, nullptr, nullptr, AFB_SESSION_NONE},
 795     {"getareainfo", windowmanager_getareainfo_thunk, nullptr, nullptr, AFB_SESSION_LOA_1},
 796     {"wm_subscribe", windowmanager_wm_subscribe, nullptr, nullptr, AFB_SESSION_NONE},
 797     {"list_drawing_names", windowmanager_list_drawing_names, nullptr, nullptr, AFB_SESSION_NONE},
 798     {"ping", windowmanager_ping, nullptr, nullptr, AFB_SESSION_NONE},
 799     {"debug_status", windowmanager_debug_status, nullptr, nullptr, AFB_SESSION_NONE},
 800     {"debug_layers", windowmanager_debug_layers, nullptr, nullptr, AFB_SESSION_NONE},
 801     {"debug_surfaces", windowmanager_debug_surfaces, nullptr, nullptr, AFB_SESSION_NONE},
 802     {"debug_terminate", windowmanager_debug_terminate, nullptr, nullptr, AFB_SESSION_NONE},
 803     {}};
 804
 805 extern "C" const struct afb_binding_v2 afbBindingV2 = {
 806     "windowmanager", nullptr, nullptr, windowmanager_verbs, nullptr, binding_init, nullptr, 0};