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_setrole(afb_req req) noexcept
326 std::lock_guard<std::mutex> guard(binding_m);
327 if (g_afb_instance == nullptr)
329 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
335 std::string appid = afb_req_get_application_id(req);
336 json_object *jreq = afb_req_json(req);
338 json_object *j_role = nullptr;
339 if (!json_object_object_get_ex(jreq, "role", &j_role))
341 afb_req_fail(req, "failed", "Need char const* argument role");
344 char const *a_role = json_object_get_string(j_role);
346 /* Create Security Context */
347 bool isFirstReq = checkFirstReq(req);
350 WMClientCtxt *ctxt = (WMClientCtxt *)afb_req_context_get(req);
351 HMI_DEBUG("wm", "Set %s into %s.", a_role, appid.c_str());
354 json_object *j_pid = nullptr;
355 if (json_object_object_get_ex(jreq, "pid", &j_pid))
357 HMI_DEBUG("wm", "PID is set");
358 char const *a_pid = json_object_get_string(j_pid);
359 pid = std::stol(a_pid);
362 bool ret = g_afb_instance->app.api_set_role(appid.c_str(), a_role, pid);
365 afb_req_fail(req, "failed", "Couldn't register");
371 WMClientCtxt *ctxt = new WMClientCtxt(appid.c_str(), a_role);
372 HMI_DEBUG("wm", "create session for appid:%s, role: %s", ctxt->name.c_str(), ctxt->role.c_str());
373 afb_req_session_set_LOA(req, 1);
374 afb_req_context_set(req, ctxt, cbRemoveClientCtxt);
378 HMI_DEBUG("wm", "session already created for %s", appid.c_str());
381 afb_req_success(req, NULL, "success");
383 catch (std::exception &e)
385 afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurfacexdg: %s", e.what());
390 void windowmanager_activatesurface(afb_req req) noexcept
392 std::lock_guard<std::mutex> guard(binding_m);
396 if (g_afb_instance == nullptr)
398 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
404 const char *a_drawing_name = afb_req_value(req, "drawing_name");
407 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
411 const char *a_drawing_area = afb_req_value(req, "drawing_area");
414 afb_req_fail(req, "failed", "Need char const* argument drawing_area");
418 g_afb_instance->app.api_activate_surface(
419 afb_req_get_application_id(req),
420 a_drawing_name, a_drawing_area,
421 [&req](const char *errmsg) {
422 if (errmsg != nullptr)
424 HMI_ERROR("wm", errmsg);
425 afb_req_fail(req, "failed", errmsg);
428 afb_req_success(req, NULL, "success");
431 catch (std::exception &e)
433 HMI_WARNING("wm", "failed", "Uncaught exception while calling activatesurface: %s", e.what());
438 void windowmanager_deactivatesurface(afb_req req) noexcept
440 std::lock_guard<std::mutex> guard(binding_m);
444 if (g_afb_instance == nullptr)
446 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
452 const char *a_drawing_name = afb_req_value(req, "drawing_name");
455 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
459 g_afb_instance->app.api_deactivate_surface(
460 afb_req_get_application_id(req), a_drawing_name,
461 [&req](const char *errmsg) {
462 if (errmsg != nullptr)
464 HMI_ERROR("wm", errmsg);
465 afb_req_fail(req, "failed", errmsg);
468 afb_req_success(req, NULL, "success");
471 catch (std::exception &e)
473 HMI_WARNING("wm", "Uncaught exception while calling deactivatesurface: %s", e.what());
478 void windowmanager_enddraw(afb_req req) noexcept
480 std::lock_guard<std::mutex> guard(binding_m);
484 if (g_afb_instance == nullptr)
486 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
492 const char *a_drawing_name = afb_req_value(req, "drawing_name");
495 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
498 afb_req_success(req, NULL, "success");
500 g_afb_instance->app.api_enddraw(
501 afb_req_get_application_id(req), a_drawing_name);
503 catch (std::exception &e)
505 HMI_WARNING("wm", "failed", "Uncaught exception while calling enddraw: %s", e.what());
510 void windowmanager_getdisplayinfo_thunk(afb_req req) noexcept
512 std::lock_guard<std::mutex> guard(binding_m);
516 if (g_afb_instance == nullptr)
518 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
524 auto ret = g_afb_instance->app.api_get_display_info();
527 afb_req_fail(req, "failed", ret.unwrap_err());
531 afb_req_success(req, ret.unwrap(), "success");
533 catch (std::exception &e)
535 afb_req_fail_f(req, "failed", "Uncaught exception while calling getdisplayinfo: %s", e.what());
540 void windowmanager_getareainfo_thunk(afb_req req) noexcept
542 std::lock_guard<std::mutex> guard(binding_m);
546 if (g_afb_instance == nullptr)
548 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
554 json_object *jreq = afb_req_json(req);
556 json_object *j_drawing_name = nullptr;
557 if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
559 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
562 char const *a_drawing_name = json_object_get_string(j_drawing_name);
564 auto ret = g_afb_instance->app.api_get_area_info(a_drawing_name);
567 afb_req_fail(req, "failed", ret.unwrap_err());
571 afb_req_success(req, ret.unwrap(), "success");
573 catch (std::exception &e)
575 afb_req_fail_f(req, "failed", "Uncaught exception while calling getareainfo: %s", e.what());
580 void windowmanager_wm_subscribe(afb_req req) noexcept
582 std::lock_guard<std::mutex> guard(binding_m);
586 if (g_afb_instance == nullptr)
588 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
594 json_object *jreq = afb_req_json(req);
595 json_object *j = nullptr;
596 if (!json_object_object_get_ex(jreq, "event", &j))
598 afb_req_fail(req, "failed", "Need char const* argument event");
601 int event_type = json_object_get_int(j);
602 const char *event_name = g_afb_instance->app.kListEventName[event_type];
603 struct afb_event event = g_afb_instance->app.map_afb_event[event_name];
604 int ret = afb_req_subscribe(req, event);
607 afb_req_fail(req, "failed", "Error: afb_req_subscribe()");
610 afb_req_success(req, NULL, "success");
612 catch (std::exception &e)
614 afb_req_fail_f(req, "failed", "Uncaught exception while calling wm_subscribe: %s", e.what());
619 void windowmanager_list_drawing_names(afb_req req) noexcept
621 std::lock_guard<std::mutex> guard(binding_m);
625 if (g_afb_instance == nullptr)
627 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
634 nlohmann::json j = g_afb_instance->app.id_alloc.name2id;
635 auto ret = wm::Ok(json_tokener_parse(j.dump().c_str()));
638 afb_req_fail(req, "failed", ret.unwrap_err());
642 afb_req_success(req, ret.unwrap(), "success");
644 catch (std::exception &e)
646 afb_req_fail_f(req, "failed", "Uncaught exception while calling list_drawing_names: %s", e.what());
651 void windowmanager_ping(afb_req req) noexcept
653 std::lock_guard<std::mutex> guard(binding_m);
657 if (g_afb_instance == nullptr)
659 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
666 g_afb_instance->app.api_ping();
668 afb_req_success(req, NULL, "success");
670 catch (std::exception &e)
672 afb_req_fail_f(req, "failed", "Uncaught exception while calling ping: %s", e.what());
677 void windowmanager_debug_status(afb_req req) noexcept
679 std::lock_guard<std::mutex> guard(binding_m);
683 if (g_afb_instance == nullptr)
685 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
692 json_object *jr = json_object_new_object();
693 json_object_object_add(jr, "surfaces",
694 to_json(g_afb_instance->app.controller->sprops));
695 json_object_object_add(jr, "layers", to_json(g_afb_instance->app.controller->lprops));
697 afb_req_success(req, jr, "success");
699 catch (std::exception &e)
701 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_status: %s", e.what());
706 void windowmanager_debug_layers(afb_req req) noexcept
708 std::lock_guard<std::mutex> guard(binding_m);
712 if (g_afb_instance == nullptr)
714 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
720 auto ret = wm::Ok(json_tokener_parse(g_afb_instance->app.layers.to_json().dump().c_str()));
722 afb_req_success(req, ret, "success");
724 catch (std::exception &e)
726 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_layers: %s", e.what());
731 void windowmanager_debug_surfaces(afb_req req) noexcept
733 std::lock_guard<std::mutex> guard(binding_m);
737 if (g_afb_instance == nullptr)
739 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
746 auto ret = wm::Ok(to_json(g_afb_instance->app.controller->sprops));
749 afb_req_fail(req, "failed", ret.unwrap_err());
753 afb_req_success(req, ret.unwrap(), "success");
755 catch (std::exception &e)
757 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_surfaces: %s", e.what());
762 void windowmanager_debug_terminate(afb_req req) noexcept
764 std::lock_guard<std::mutex> guard(binding_m);
768 if (g_afb_instance == nullptr)
770 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
777 if (getenv("WINMAN_DEBUG_TERMINATE") != nullptr)
779 raise(SIGKILL); // afb-daemon kills it's pgroup using TERM, which
780 // doesn't play well with perf
783 afb_req_success(req, NULL, "success");
785 catch (std::exception &e)
787 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_terminate: %s", e.what());
792 const struct afb_verb_v2 windowmanager_verbs[] = {
793 {"requestsurface", windowmanager_requestsurface, nullptr, nullptr, AFB_SESSION_NONE},
794 {"requestsurfacexdg", windowmanager_requestsurfacexdg, nullptr, nullptr, AFB_SESSION_NONE},
795 {"setrole", windowmanager_setrole, nullptr, nullptr, AFB_SESSION_NONE},
796 {"activatesurface", windowmanager_activatesurface, nullptr, nullptr, AFB_SESSION_LOA_1},
797 {"deactivatesurface", windowmanager_deactivatesurface, nullptr, nullptr, AFB_SESSION_LOA_1},
798 {"enddraw", windowmanager_enddraw, nullptr, nullptr, AFB_SESSION_LOA_1},
799 {"getdisplayinfo", windowmanager_getdisplayinfo_thunk, nullptr, nullptr, AFB_SESSION_NONE},
800 {"getareainfo", windowmanager_getareainfo_thunk, nullptr, nullptr, AFB_SESSION_LOA_1},
801 {"wm_subscribe", windowmanager_wm_subscribe, nullptr, nullptr, AFB_SESSION_NONE},
802 {"list_drawing_names", windowmanager_list_drawing_names, nullptr, nullptr, AFB_SESSION_NONE},
803 {"ping", windowmanager_ping, nullptr, nullptr, AFB_SESSION_NONE},
804 {"debug_status", windowmanager_debug_status, nullptr, nullptr, AFB_SESSION_NONE},
805 {"debug_layers", windowmanager_debug_layers, nullptr, nullptr, AFB_SESSION_NONE},
806 {"debug_surfaces", windowmanager_debug_surfaces, nullptr, nullptr, AFB_SESSION_NONE},
807 {"debug_terminate", windowmanager_debug_terminate, nullptr, nullptr, AFB_SESSION_NONE},
810 extern "C" const struct afb_binding_v2 afbBindingV2 = {
811 "windowmanager", nullptr, nullptr, windowmanager_verbs, nullptr, binding_init, nullptr, 0};