2 * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
24 #include "json_helper.hpp"
26 #include "wayland_ivi_wm.hpp"
30 #include <afb/afb-binding.h>
31 #include <systemd/sd-event.h>
34 typedef struct wmClientCtxt
38 wmClientCtxt(const char *appName, const char* appRole)
47 std::unique_ptr<wl::display> display;
50 afb_instance() : display{new wl::display}, app{this->display.get()} {}
55 struct afb_instance *g_afb_instance;
58 int afb_instance::init()
60 return this->app.init();
63 int display_event_callback(sd_event_source *evs, int /*fd*/, uint32_t events,
68 if ((events & EPOLLHUP) != 0)
70 HMI_ERROR("wm", "The compositor hung up, dying now.");
71 delete g_afb_instance;
72 g_afb_instance = nullptr;
76 if ((events & EPOLLIN) != 0u)
79 STN(display_read_events);
80 g_afb_instance->app.display->read_events();
81 g_afb_instance->app.set_pending_events();
84 // We want do dispatch pending wayland events from within
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);
98 sd_event_source_unref(evs);
99 if (getenv("WINMAN_EXIT_ON_HANGUP") != nullptr)
108 HMI_NOTICE("wm", "WinMan ver. %s", WINMAN_VERSION_STRING);
110 if (g_afb_instance != nullptr)
112 HMI_ERROR("wm", "Wayland context already initialized?");
116 if (getenv("XDG_RUNTIME_DIR") == nullptr)
118 HMI_ERROR("wm", "Environment variable XDG_RUNTIME_DIR not set");
123 // wait until wayland compositor starts up.
125 g_afb_instance = new afb_instance;
126 while (!g_afb_instance->display->ok())
131 HMI_ERROR("wm", "Could not connect to compositor");
134 HMI_ERROR("wm", "Wait to start weston ...");
136 delete g_afb_instance;
137 g_afb_instance = new afb_instance;
141 if (g_afb_instance->init() == -1)
143 HMI_ERROR("wm", "Could not connect to compositor");
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);
153 HMI_ERROR("wm", "Could not initialize afb_instance event handler: %d", -ret);
158 atexit([] { delete g_afb_instance; });
163 delete g_afb_instance;
164 g_afb_instance = nullptr;
168 int binding_init() noexcept
172 return _binding_init();
174 catch (std::exception &e)
176 HMI_ERROR("wm", "Uncaught exception in binding_init(): %s", e.what());
181 static bool checkFirstReq(afb_req req)
183 wmClientCtxt *ctxt = (wmClientCtxt *)afb_req_context_get(req);
184 return (ctxt) ? false : true;
187 static void cbRemoveClientCtxt(void *data)
189 wmClientCtxt *ctxt = (wmClientCtxt *)data;
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());
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);
206 g_afb_instance->app.removeClient(ctxt->name);
210 void windowmanager_requestsurface(afb_req req) noexcept
212 std::lock_guard<std::mutex> guard(binding_m);
216 if (g_afb_instance == nullptr)
218 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
224 const char *a_drawing_name = afb_req_value(req, "drawing_name");
227 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
231 /* Create Security Context */
232 bool isFirstReq = checkFirstReq(req);
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))
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);
245 auto ret = g_afb_instance->app.api_request_surface(
246 afb_req_get_application_id(req), a_drawing_name);
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);
257 HMI_DEBUG("wm", "session already created for %s", a_drawing_name);
262 afb_req_fail(req, "failed", ret.unwrap_err());
266 afb_req_success(req, json_object_new_int(ret.unwrap()), "success");
268 catch (std::exception &e)
270 afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurface: %s", e.what());
275 void windowmanager_requestsurfacexdg(afb_req req) noexcept
277 std::lock_guard<std::mutex> guard(binding_m);
281 if (g_afb_instance == nullptr)
283 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
289 json_object *jreq = afb_req_json(req);
291 json_object *j_drawing_name = nullptr;
292 if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
294 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
297 char const *a_drawing_name = json_object_get_string(j_drawing_name);
299 json_object *j_ivi_id = nullptr;
300 if (!json_object_object_get_ex(jreq, "ivi_id", &j_ivi_id))
302 afb_req_fail(req, "failed", "Need char const* argument ivi_id");
305 char const *a_ivi_id = json_object_get_string(j_ivi_id);
307 auto ret = g_afb_instance->app.api_request_surface(
308 afb_req_get_application_id(req), a_drawing_name, a_ivi_id);
311 afb_req_fail(req, "failed", ret);
315 afb_req_success(req, NULL, "success");
317 catch (std::exception &e)
319 afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurfacexdg: %s", e.what());
324 void windowmanager_activatesurface(afb_req req) noexcept
326 std::lock_guard<std::mutex> guard(binding_m);
330 if (g_afb_instance == nullptr)
332 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
338 const char *a_drawing_name = afb_req_value(req, "drawing_name");
341 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
345 const char *a_drawing_area = afb_req_value(req, "drawing_area");
348 afb_req_fail(req, "failed", "Need char const* argument drawing_area");
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)
358 HMI_ERROR("wm", errmsg);
359 afb_req_fail(req, "failed", errmsg);
362 afb_req_success(req, NULL, "success");
365 catch (std::exception &e)
367 HMI_WARNING("wm", "failed", "Uncaught exception while calling activatesurface: %s", e.what());
372 void windowmanager_deactivatesurface(afb_req req) noexcept
374 std::lock_guard<std::mutex> guard(binding_m);
378 if (g_afb_instance == nullptr)
380 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
386 const char *a_drawing_name = afb_req_value(req, "drawing_name");
389 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
393 g_afb_instance->app.api_deactivate_surface(
394 afb_req_get_application_id(req), a_drawing_name,
395 [&req](const char *errmsg) {
396 if (errmsg != nullptr)
398 HMI_ERROR("wm", errmsg);
399 afb_req_fail(req, "failed", errmsg);
402 afb_req_success(req, NULL, "success");
405 catch (std::exception &e)
407 HMI_WARNING("wm", "Uncaught exception while calling deactivatesurface: %s", e.what());
412 void windowmanager_enddraw(afb_req req) noexcept
414 std::lock_guard<std::mutex> guard(binding_m);
418 if (g_afb_instance == nullptr)
420 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
426 const char *a_drawing_name = afb_req_value(req, "drawing_name");
429 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
432 afb_req_success(req, NULL, "success");
434 g_afb_instance->app.api_enddraw(
435 afb_req_get_application_id(req), a_drawing_name);
437 catch (std::exception &e)
439 HMI_WARNING("wm", "failed", "Uncaught exception while calling enddraw: %s", e.what());
444 void windowmanager_getdisplayinfo_thunk(afb_req req) noexcept
446 std::lock_guard<std::mutex> guard(binding_m);
450 if (g_afb_instance == nullptr)
452 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
458 auto ret = g_afb_instance->app.api_get_display_info();
461 afb_req_fail(req, "failed", ret.unwrap_err());
465 afb_req_success(req, ret.unwrap(), "success");
467 catch (std::exception &e)
469 afb_req_fail_f(req, "failed", "Uncaught exception while calling getdisplayinfo: %s", e.what());
474 void windowmanager_getareainfo_thunk(afb_req req) noexcept
476 std::lock_guard<std::mutex> guard(binding_m);
480 if (g_afb_instance == nullptr)
482 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
488 json_object *jreq = afb_req_json(req);
490 json_object *j_drawing_name = nullptr;
491 if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
493 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
496 char const *a_drawing_name = json_object_get_string(j_drawing_name);
498 auto ret = g_afb_instance->app.api_get_area_info(a_drawing_name);
501 afb_req_fail(req, "failed", ret.unwrap_err());
505 afb_req_success(req, ret.unwrap(), "success");
507 catch (std::exception &e)
509 afb_req_fail_f(req, "failed", "Uncaught exception while calling getareainfo: %s", e.what());
514 void windowmanager_wm_subscribe(afb_req req) noexcept
516 std::lock_guard<std::mutex> guard(binding_m);
520 if (g_afb_instance == nullptr)
522 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
528 json_object *jreq = afb_req_json(req);
529 json_object *j = nullptr;
530 if (!json_object_object_get_ex(jreq, "event", &j))
532 afb_req_fail(req, "failed", "Need char const* argument event");
535 int event_type = json_object_get_int(j);
536 const char *event_name = g_afb_instance->app.kListEventName[event_type];
537 struct afb_event event = g_afb_instance->app.map_afb_event[event_name];
538 int ret = afb_req_subscribe(req, event);
541 afb_req_fail(req, "failed", "Error: afb_req_subscribe()");
544 afb_req_success(req, NULL, "success");
546 g_afb_instance->app.subscribeEventForApp(afb_req_get_application_id(req), req, event_name);
548 catch (std::exception &e)
550 afb_req_fail_f(req, "failed", "Uncaught exception while calling wm_subscribe: %s", e.what());
555 void windowmanager_list_drawing_names(afb_req req) noexcept
557 std::lock_guard<std::mutex> guard(binding_m);
561 if (g_afb_instance == nullptr)
563 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
570 nlohmann::json j = g_afb_instance->app.id_alloc.name2id;
571 auto ret = wm::Ok(json_tokener_parse(j.dump().c_str()));
574 afb_req_fail(req, "failed", ret.unwrap_err());
578 afb_req_success(req, ret.unwrap(), "success");
580 catch (std::exception &e)
582 afb_req_fail_f(req, "failed", "Uncaught exception while calling list_drawing_names: %s", e.what());
587 void windowmanager_ping(afb_req req) noexcept
589 std::lock_guard<std::mutex> guard(binding_m);
593 if (g_afb_instance == nullptr)
595 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
602 g_afb_instance->app.api_ping();
604 afb_req_success(req, NULL, "success");
606 catch (std::exception &e)
608 afb_req_fail_f(req, "failed", "Uncaught exception while calling ping: %s", e.what());
613 void windowmanager_debug_status(afb_req req) noexcept
615 std::lock_guard<std::mutex> guard(binding_m);
619 if (g_afb_instance == nullptr)
621 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
628 json_object *jr = json_object_new_object();
629 json_object_object_add(jr, "surfaces",
630 to_json(g_afb_instance->app.controller->sprops));
631 json_object_object_add(jr, "layers", to_json(g_afb_instance->app.controller->lprops));
633 afb_req_success(req, jr, "success");
635 catch (std::exception &e)
637 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_status: %s", e.what());
642 void windowmanager_debug_layers(afb_req req) noexcept
644 std::lock_guard<std::mutex> guard(binding_m);
648 if (g_afb_instance == nullptr)
650 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
656 auto ret = wm::Ok(json_tokener_parse(g_afb_instance->app.layers.to_json().dump().c_str()));
658 afb_req_success(req, ret, "success");
660 catch (std::exception &e)
662 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_layers: %s", e.what());
667 void windowmanager_debug_surfaces(afb_req req) noexcept
669 std::lock_guard<std::mutex> guard(binding_m);
673 if (g_afb_instance == nullptr)
675 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
682 auto ret = wm::Ok(to_json(g_afb_instance->app.controller->sprops));
685 afb_req_fail(req, "failed", ret.unwrap_err());
689 afb_req_success(req, ret.unwrap(), "success");
691 catch (std::exception &e)
693 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_surfaces: %s", e.what());
698 void windowmanager_debug_terminate(afb_req req) noexcept
700 std::lock_guard<std::mutex> guard(binding_m);
704 if (g_afb_instance == nullptr)
706 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
713 if (getenv("WINMAN_DEBUG_TERMINATE") != nullptr)
715 raise(SIGKILL); // afb-daemon kills it's pgroup using TERM, which
716 // doesn't play well with perf
719 afb_req_success(req, NULL, "success");
721 catch (std::exception &e)
723 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_terminate: %s", e.what());
728 const struct afb_verb_v2 windowmanager_verbs[] = {
729 {"requestsurface", windowmanager_requestsurface, nullptr, nullptr, AFB_SESSION_NONE},
730 {"requestsurfacexdg", windowmanager_requestsurfacexdg, nullptr, nullptr, AFB_SESSION_NONE},
731 {"activatesurface", windowmanager_activatesurface, nullptr, nullptr, AFB_SESSION_LOA_1},
732 {"deactivatesurface", windowmanager_deactivatesurface, nullptr, nullptr, AFB_SESSION_LOA_1},
733 {"enddraw", windowmanager_enddraw, nullptr, nullptr, AFB_SESSION_LOA_1},
734 {"getdisplayinfo", windowmanager_getdisplayinfo_thunk, nullptr, nullptr, AFB_SESSION_NONE},
735 {"getareainfo", windowmanager_getareainfo_thunk, nullptr, nullptr, AFB_SESSION_LOA_1},
736 {"wm_subscribe", windowmanager_wm_subscribe, nullptr, nullptr, AFB_SESSION_NONE},
737 {"list_drawing_names", windowmanager_list_drawing_names, nullptr, nullptr, AFB_SESSION_NONE},
738 {"ping", windowmanager_ping, nullptr, nullptr, AFB_SESSION_NONE},
739 {"debug_status", windowmanager_debug_status, nullptr, nullptr, AFB_SESSION_NONE},
740 {"debug_layers", windowmanager_debug_layers, nullptr, nullptr, AFB_SESSION_NONE},
741 {"debug_surfaces", windowmanager_debug_surfaces, nullptr, nullptr, AFB_SESSION_NONE},
742 {"debug_terminate", windowmanager_debug_terminate, nullptr, nullptr, AFB_SESSION_NONE},
745 extern "C" const struct afb_binding_v2 afbBindingV2 = {
746 "windowmanager", nullptr, nullptr, windowmanager_verbs, nullptr, binding_init, nullptr, 0};