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());
368 g_afb_instance->app.exeptionProcessForTransition();
373 void windowmanager_deactivatesurface(afb_req req) noexcept
375 std::lock_guard<std::mutex> guard(binding_m);
379 if (g_afb_instance == nullptr)
381 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
387 const char *a_drawing_name = afb_req_value(req, "drawing_name");
390 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
394 g_afb_instance->app.api_deactivate_surface(
395 afb_req_get_application_id(req), a_drawing_name,
396 [&req](const char *errmsg) {
397 if (errmsg != nullptr)
399 HMI_ERROR("wm", errmsg);
400 afb_req_fail(req, "failed", errmsg);
403 afb_req_success(req, NULL, "success");
406 catch (std::exception &e)
408 HMI_WARNING("wm", "failed: Uncaught exception while calling deactivatesurface: %s", e.what());
409 g_afb_instance->app.exeptionProcessForTransition();
414 void windowmanager_enddraw(afb_req req) noexcept
416 std::lock_guard<std::mutex> guard(binding_m);
420 if (g_afb_instance == nullptr)
422 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
428 const char *a_drawing_name = afb_req_value(req, "drawing_name");
431 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
434 afb_req_success(req, NULL, "success");
436 g_afb_instance->app.api_enddraw(
437 afb_req_get_application_id(req), a_drawing_name);
439 catch (std::exception &e)
441 HMI_WARNING("wm", "failed: Uncaught exception while calling enddraw: %s", e.what());
442 g_afb_instance->app.exeptionProcessForTransition();
447 void windowmanager_getdisplayinfo_thunk(afb_req req) noexcept
449 std::lock_guard<std::mutex> guard(binding_m);
453 if (g_afb_instance == nullptr)
455 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
461 auto ret = g_afb_instance->app.api_get_display_info();
464 afb_req_fail(req, "failed", ret.unwrap_err());
468 afb_req_success(req, ret.unwrap(), "success");
470 catch (std::exception &e)
472 afb_req_fail_f(req, "failed", "Uncaught exception while calling getdisplayinfo: %s", e.what());
477 void windowmanager_getareainfo_thunk(afb_req req) noexcept
479 std::lock_guard<std::mutex> guard(binding_m);
483 if (g_afb_instance == nullptr)
485 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
491 json_object *jreq = afb_req_json(req);
493 json_object *j_drawing_name = nullptr;
494 if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
496 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
499 char const *a_drawing_name = json_object_get_string(j_drawing_name);
501 auto ret = g_afb_instance->app.api_get_area_info(a_drawing_name);
504 afb_req_fail(req, "failed", ret.unwrap_err());
508 afb_req_success(req, ret.unwrap(), "success");
510 catch (std::exception &e)
512 afb_req_fail_f(req, "failed", "Uncaught exception while calling getareainfo: %s", e.what());
517 void windowmanager_wm_subscribe(afb_req req) noexcept
519 std::lock_guard<std::mutex> guard(binding_m);
523 if (g_afb_instance == nullptr)
525 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
531 json_object *jreq = afb_req_json(req);
532 json_object *j = nullptr;
533 if (!json_object_object_get_ex(jreq, "event", &j))
535 afb_req_fail(req, "failed", "Need char const* argument event");
538 int event_type = json_object_get_int(j);
539 const char *event_name = g_afb_instance->app.kListEventName[event_type];
540 struct afb_event event = g_afb_instance->app.map_afb_event[event_name];
541 int ret = afb_req_subscribe(req, event);
544 afb_req_fail(req, "failed", "Error: afb_req_subscribe()");
547 afb_req_success(req, NULL, "success");
549 catch (std::exception &e)
551 afb_req_fail_f(req, "failed", "Uncaught exception while calling wm_subscribe: %s", e.what());
556 void windowmanager_list_drawing_names(afb_req req) noexcept
558 std::lock_guard<std::mutex> guard(binding_m);
562 if (g_afb_instance == nullptr)
564 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
571 nlohmann::json j = g_afb_instance->app.id_alloc.name2id;
572 auto ret = wm::Ok(json_tokener_parse(j.dump().c_str()));
575 afb_req_fail(req, "failed", ret.unwrap_err());
579 afb_req_success(req, ret.unwrap(), "success");
581 catch (std::exception &e)
583 afb_req_fail_f(req, "failed", "Uncaught exception while calling list_drawing_names: %s", e.what());
588 void windowmanager_ping(afb_req req) noexcept
590 std::lock_guard<std::mutex> guard(binding_m);
594 if (g_afb_instance == nullptr)
596 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
603 g_afb_instance->app.api_ping();
605 afb_req_success(req, NULL, "success");
607 catch (std::exception &e)
609 afb_req_fail_f(req, "failed", "Uncaught exception while calling ping: %s", e.what());
614 void windowmanager_debug_status(afb_req req) noexcept
616 std::lock_guard<std::mutex> guard(binding_m);
620 if (g_afb_instance == nullptr)
622 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
629 json_object *jr = json_object_new_object();
630 json_object_object_add(jr, "surfaces",
631 to_json(g_afb_instance->app.controller->sprops));
632 json_object_object_add(jr, "layers", to_json(g_afb_instance->app.controller->lprops));
634 afb_req_success(req, jr, "success");
636 catch (std::exception &e)
638 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_status: %s", e.what());
643 void windowmanager_debug_layers(afb_req req) noexcept
645 std::lock_guard<std::mutex> guard(binding_m);
649 if (g_afb_instance == nullptr)
651 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
657 auto ret = wm::Ok(json_tokener_parse(g_afb_instance->app.layers.to_json().dump().c_str()));
659 afb_req_success(req, ret, "success");
661 catch (std::exception &e)
663 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_layers: %s", e.what());
668 void windowmanager_debug_surfaces(afb_req req) noexcept
670 std::lock_guard<std::mutex> guard(binding_m);
674 if (g_afb_instance == nullptr)
676 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
683 auto ret = wm::Ok(to_json(g_afb_instance->app.controller->sprops));
686 afb_req_fail(req, "failed", ret.unwrap_err());
690 afb_req_success(req, ret.unwrap(), "success");
692 catch (std::exception &e)
694 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_surfaces: %s", e.what());
699 void windowmanager_debug_terminate(afb_req req) noexcept
701 std::lock_guard<std::mutex> guard(binding_m);
705 if (g_afb_instance == nullptr)
707 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
714 if (getenv("WINMAN_DEBUG_TERMINATE") != nullptr)
716 raise(SIGKILL); // afb-daemon kills it's pgroup using TERM, which
717 // doesn't play well with perf
720 afb_req_success(req, NULL, "success");
722 catch (std::exception &e)
724 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_terminate: %s", e.what());
729 const struct afb_verb_v2 windowmanager_verbs[] = {
730 {"requestsurface", windowmanager_requestsurface, nullptr, nullptr, AFB_SESSION_NONE},
731 {"requestsurfacexdg", windowmanager_requestsurfacexdg, nullptr, nullptr, AFB_SESSION_NONE},
732 {"activatesurface", windowmanager_activatesurface, nullptr, nullptr, AFB_SESSION_LOA_1},
733 {"deactivatesurface", windowmanager_deactivatesurface, nullptr, nullptr, AFB_SESSION_LOA_1},
734 {"enddraw", windowmanager_enddraw, nullptr, nullptr, AFB_SESSION_LOA_1},
735 {"getdisplayinfo", windowmanager_getdisplayinfo_thunk, nullptr, nullptr, AFB_SESSION_NONE},
736 {"getareainfo", windowmanager_getareainfo_thunk, nullptr, nullptr, AFB_SESSION_LOA_1},
737 {"wm_subscribe", windowmanager_wm_subscribe, nullptr, nullptr, AFB_SESSION_NONE},
738 {"list_drawing_names", windowmanager_list_drawing_names, nullptr, nullptr, AFB_SESSION_NONE},
739 {"ping", windowmanager_ping, nullptr, nullptr, AFB_SESSION_NONE},
740 {"debug_status", windowmanager_debug_status, nullptr, nullptr, AFB_SESSION_NONE},
741 {"debug_layers", windowmanager_debug_layers, nullptr, nullptr, AFB_SESSION_NONE},
742 {"debug_surfaces", windowmanager_debug_surfaces, nullptr, nullptr, AFB_SESSION_NONE},
743 {"debug_terminate", windowmanager_debug_terminate, nullptr, nullptr, AFB_SESSION_NONE},
746 extern "C" const struct afb_binding_v2 afbBindingV2 = {
747 "windowmanager", nullptr, nullptr, windowmanager_verbs, nullptr, binding_init, nullptr, 0};