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.
21 #include "../include/json.hpp"
22 #include "window_manager.hpp"
23 #include "json_helper.hpp"
24 #include "wayland_ivi_wm.hpp"
28 #include <afb/afb-binding.h>
29 #include <systemd/sd-event.h>
32 typedef struct WMClientCtxt
36 WMClientCtxt(const char *appName, const char* appRole)
45 std::unique_ptr<wl::display> display;
46 wm::WindowManager wmgr;
48 afb_instance() : display{new wl::display}, wmgr{this->display.get()} {}
53 struct afb_instance *g_afb_instance;
56 int afb_instance::init()
58 return this->wmgr.init();
61 int display_event_callback(sd_event_source *evs, int /*fd*/, uint32_t events,
66 if ((events & EPOLLHUP) != 0)
68 HMI_ERROR("wm", "The compositor hung up, dying now.");
69 delete g_afb_instance;
70 g_afb_instance = nullptr;
74 if ((events & EPOLLIN) != 0u)
77 STN(display_read_events);
78 g_afb_instance->wmgr.display->read_events();
79 g_afb_instance->wmgr.set_pending_events();
82 // We want do dispatch pending wayland events from within
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);
96 sd_event_source_unref(evs);
97 if (getenv("WINMAN_EXIT_ON_HANGUP") != nullptr)
106 HMI_NOTICE("wm", "WinMan ver. %s", WINMAN_VERSION_STRING);
108 if (g_afb_instance != nullptr)
110 HMI_ERROR("wm", "Wayland context already initialized?");
114 if (getenv("XDG_RUNTIME_DIR") == nullptr)
116 HMI_ERROR("wm", "Environment variable XDG_RUNTIME_DIR not set");
121 // wait until wayland compositor starts up.
123 g_afb_instance = new afb_instance;
124 while (!g_afb_instance->display->ok())
129 HMI_ERROR("wm", "Could not connect to compositor");
132 HMI_ERROR("wm", "Wait to start weston ...");
134 delete g_afb_instance;
135 g_afb_instance = new afb_instance;
139 if (g_afb_instance->init() == -1)
141 HMI_ERROR("wm", "Could not connect to compositor");
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);
151 HMI_ERROR("wm", "Could not initialize afb_instance event handler: %d", -ret);
156 atexit([] { delete g_afb_instance; });
161 delete g_afb_instance;
162 g_afb_instance = nullptr;
166 int binding_init() noexcept
170 return _binding_init();
172 catch (std::exception &e)
174 HMI_ERROR("wm", "Uncaught exception in binding_init(): %s", e.what());
179 static void cbRemoveClientCtxt(void *data)
181 WMClientCtxt *ctxt = (WMClientCtxt *)data;
186 HMI_DEBUG("wm", "remove app %s", ctxt->name.c_str());
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 *errmsg) {
193 if (errmsg != nullptr)
195 HMI_ERROR("wm", errmsg);
200 g_afb_instance->wmgr.removeClient(ctxt->name);
204 static void createSecurityContext(afb_req req, const char* appid, const char* role)
206 WMClientCtxt *ctxt = (WMClientCtxt *)afb_req_context_get(req);
209 // Create Security Context at first time
210 const char *new_role = g_afb_instance->wmgr.convertRoleOldToNew(role);
211 WMClientCtxt *ctxt = new WMClientCtxt(appid, new_role);
212 HMI_DEBUG("wm", "create session for %s", ctxt->name.c_str());
213 afb_req_session_set_LOA(req, 1);
214 afb_req_context_set(req, ctxt, cbRemoveClientCtxt);
218 void windowmanager_requestsurface(afb_req req) noexcept
220 std::lock_guard<std::mutex> guard(binding_m);
224 if (g_afb_instance == nullptr)
226 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
232 const char *a_drawing_name = afb_req_value(req, "drawing_name");
235 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
239 char *appid = afb_req_get_application_id(req);
242 auto ret = g_afb_instance->wmgr.api_request_surface(
243 appid, a_drawing_name);
246 afb_req_fail(req, "failed", ret.unwrap_err());
250 createSecurityContext(req, appid, a_drawing_name);
251 afb_req_success(req, json_object_new_int(ret.unwrap()), "success");
257 afb_req_fail(req, "failed", nullptr);
260 catch (std::exception &e)
262 afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurface: %s", e.what());
267 void windowmanager_requestsurfacexdg(afb_req req) noexcept
269 std::lock_guard<std::mutex> guard(binding_m);
273 if (g_afb_instance == nullptr)
275 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
281 json_object *jreq = afb_req_json(req);
283 json_object *j_drawing_name = nullptr;
284 if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
286 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
289 char const *a_drawing_name = json_object_get_string(j_drawing_name);
291 json_object *j_ivi_id = nullptr;
292 if (!json_object_object_get_ex(jreq, "ivi_id", &j_ivi_id))
294 afb_req_fail(req, "failed", "Need char const* argument ivi_id");
297 char const *a_ivi_id = json_object_get_string(j_ivi_id);
298 char *appid = afb_req_get_application_id(req);
301 auto ret = g_afb_instance->wmgr.api_request_surface(
302 appid, a_drawing_name, a_ivi_id);
306 afb_req_fail(req, "failed", ret);
310 createSecurityContext(req, appid, a_drawing_name);
311 afb_req_success(req, NULL, "success");
316 catch (std::exception &e)
318 afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurfacexdg: %s", e.what());
323 void windowmanager_activatewindow(afb_req req) noexcept
325 std::lock_guard<std::mutex> guard(binding_m);
329 if (g_afb_instance == nullptr)
331 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
337 const char *a_drawing_name = afb_req_value(req, "drawing_name");
340 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
344 const char *a_drawing_area = afb_req_value(req, "drawing_area");
347 afb_req_fail(req, "failed", "Need char const* argument drawing_area");
351 char* appid = afb_req_get_application_id(req);
354 g_afb_instance->wmgr.api_activate_surface(
355 appid, a_drawing_name, a_drawing_area,
356 [&req](const char *errmsg) {
357 if (errmsg != nullptr)
359 HMI_ERROR("wm", errmsg);
360 afb_req_fail(req, "failed", errmsg);
363 afb_req_success(req, NULL, "success");
368 catch (std::exception &e)
370 HMI_WARNING("wm", "failed: Uncaught exception while calling activatesurface: %s", e.what());
371 g_afb_instance->wmgr.exceptionProcessForTransition();
376 void windowmanager_deactivatewindow(afb_req req) noexcept
378 std::lock_guard<std::mutex> guard(binding_m);
382 if (g_afb_instance == nullptr)
384 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
390 const char *a_drawing_name = afb_req_value(req, "drawing_name");
393 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
397 char* appid = afb_req_get_application_id(req);
400 g_afb_instance->wmgr.api_deactivate_surface(
401 appid, a_drawing_name,
402 [&req](const char *errmsg) {
403 if (errmsg != nullptr)
405 HMI_ERROR("wm", errmsg);
406 afb_req_fail(req, "failed", errmsg);
409 afb_req_success(req, NULL, "success");
414 catch (std::exception &e)
416 HMI_WARNING("wm", "failed: Uncaught exception while calling deactivatesurface: %s", e.what());
417 g_afb_instance->wmgr.exceptionProcessForTransition();
422 void windowmanager_enddraw(afb_req req) noexcept
424 std::lock_guard<std::mutex> guard(binding_m);
428 if (g_afb_instance == nullptr)
430 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
436 const char *a_drawing_name = afb_req_value(req, "drawing_name");
439 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
442 afb_req_success(req, NULL, "success");
444 char* appid = afb_req_get_application_id(req);
447 g_afb_instance->wmgr.api_enddraw(appid, a_drawing_name);
451 catch (std::exception &e)
453 HMI_WARNING("wm", "failed: Uncaught exception while calling enddraw: %s", e.what());
454 g_afb_instance->wmgr.exceptionProcessForTransition();
459 void windowmanager_getdisplayinfo_thunk(afb_req req) noexcept
461 std::lock_guard<std::mutex> guard(binding_m);
465 if (g_afb_instance == nullptr)
467 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
473 auto ret = g_afb_instance->wmgr.api_get_display_info();
476 afb_req_fail(req, "failed", ret.unwrap_err());
480 afb_req_success(req, ret.unwrap(), "success");
482 catch (std::exception &e)
484 afb_req_fail_f(req, "failed", "Uncaught exception while calling getdisplayinfo: %s", e.what());
489 void windowmanager_getareainfo_thunk(afb_req req) noexcept
491 std::lock_guard<std::mutex> guard(binding_m);
495 if (g_afb_instance == nullptr)
497 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
503 json_object *jreq = afb_req_json(req);
505 json_object *j_drawing_name = nullptr;
506 if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
508 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
511 char const *a_drawing_name = json_object_get_string(j_drawing_name);
513 auto ret = g_afb_instance->wmgr.api_get_area_info(a_drawing_name);
516 afb_req_fail(req, "failed", ret.unwrap_err());
520 afb_req_success(req, ret.unwrap(), "success");
522 catch (std::exception &e)
524 afb_req_fail_f(req, "failed", "Uncaught exception while calling getareainfo: %s", e.what());
529 void windowmanager_wm_subscribe(afb_req req) noexcept
531 std::lock_guard<std::mutex> guard(binding_m);
535 if (g_afb_instance == nullptr)
537 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
543 json_object *jreq = afb_req_json(req);
544 json_object *j = nullptr;
545 if (!json_object_object_get_ex(jreq, "event", &j))
547 afb_req_fail(req, "failed", "Need char const* argument event");
550 int event_type = json_object_get_int(j);
551 const char *event_name = g_afb_instance->wmgr.kListEventName[event_type];
552 struct afb_event event = g_afb_instance->wmgr.map_afb_event[event_name];
553 int ret = afb_req_subscribe(req, event);
556 afb_req_fail(req, "failed", "Error: afb_req_subscribe()");
559 afb_req_success(req, NULL, "success");
561 catch (std::exception &e)
563 afb_req_fail_f(req, "failed", "Uncaught exception while calling wm_subscribe: %s", e.what());
568 void windowmanager_list_drawing_names(afb_req req) noexcept
570 std::lock_guard<std::mutex> guard(binding_m);
574 if (g_afb_instance == nullptr)
576 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
583 nlohmann::json j = g_afb_instance->wmgr.id_alloc.name2id;
584 auto ret = wm::Ok(json_tokener_parse(j.dump().c_str()));
587 afb_req_fail(req, "failed", ret.unwrap_err());
591 afb_req_success(req, ret.unwrap(), "success");
593 catch (std::exception &e)
595 afb_req_fail_f(req, "failed", "Uncaught exception while calling list_drawing_names: %s", e.what());
600 void windowmanager_ping(afb_req req) noexcept
602 std::lock_guard<std::mutex> guard(binding_m);
606 if (g_afb_instance == nullptr)
608 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
615 g_afb_instance->wmgr.api_ping();
617 afb_req_success(req, NULL, "success");
619 catch (std::exception &e)
621 afb_req_fail_f(req, "failed", "Uncaught exception while calling ping: %s", e.what());
626 void windowmanager_debug_status(afb_req req) noexcept
628 std::lock_guard<std::mutex> guard(binding_m);
632 if (g_afb_instance == nullptr)
634 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
641 json_object *jr = json_object_new_object();
642 json_object_object_add(jr, "surfaces",
643 to_json(g_afb_instance->wmgr.controller->sprops));
644 json_object_object_add(jr, "layers", to_json(g_afb_instance->wmgr.controller->lprops));
646 afb_req_success(req, jr, "success");
648 catch (std::exception &e)
650 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_status: %s", e.what());
655 void windowmanager_debug_layers(afb_req req) noexcept
657 std::lock_guard<std::mutex> guard(binding_m);
661 if (g_afb_instance == nullptr)
663 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
669 auto ret = wm::Ok(json_tokener_parse(g_afb_instance->wmgr.layers.to_json().dump().c_str()));
671 afb_req_success(req, ret, "success");
673 catch (std::exception &e)
675 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_layers: %s", e.what());
680 void windowmanager_debug_surfaces(afb_req req) noexcept
682 std::lock_guard<std::mutex> guard(binding_m);
686 if (g_afb_instance == nullptr)
688 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
695 auto ret = wm::Ok(to_json(g_afb_instance->wmgr.controller->sprops));
698 afb_req_fail(req, "failed", ret.unwrap_err());
702 afb_req_success(req, ret.unwrap(), "success");
704 catch (std::exception &e)
706 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_surfaces: %s", e.what());
711 void windowmanager_debug_terminate(afb_req req) noexcept
713 std::lock_guard<std::mutex> guard(binding_m);
717 if (g_afb_instance == nullptr)
719 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
726 if (getenv("WINMAN_DEBUG_TERMINATE") != nullptr)
728 raise(SIGKILL); // afb-daemon kills it's pgroup using TERM, which
729 // doesn't play well with perf
732 afb_req_success(req, NULL, "success");
734 catch (std::exception &e)
736 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_terminate: %s", e.what());
741 const struct afb_verb_v2 windowmanager_verbs[] = {
742 {"requestsurface", windowmanager_requestsurface, nullptr, nullptr, AFB_SESSION_NONE},
743 {"requestsurfacexdg", windowmanager_requestsurfacexdg, nullptr, nullptr, AFB_SESSION_NONE},
744 {"activatewindow", windowmanager_activatewindow, nullptr, nullptr, AFB_SESSION_NONE},
745 {"deactivatewindow", windowmanager_deactivatewindow, nullptr, nullptr, AFB_SESSION_NONE},
746 {"enddraw", windowmanager_enddraw, nullptr, nullptr, AFB_SESSION_NONE},
747 {"getdisplayinfo", windowmanager_getdisplayinfo_thunk, nullptr, nullptr, AFB_SESSION_NONE},
748 {"getareainfo", windowmanager_getareainfo_thunk, nullptr, nullptr, AFB_SESSION_NONE},
749 {"wm_subscribe", windowmanager_wm_subscribe, nullptr, nullptr, AFB_SESSION_NONE},
750 {"list_drawing_names", windowmanager_list_drawing_names, nullptr, nullptr, AFB_SESSION_NONE},
751 {"ping", windowmanager_ping, nullptr, nullptr, AFB_SESSION_NONE},
752 {"debug_status", windowmanager_debug_status, nullptr, nullptr, AFB_SESSION_NONE},
753 {"debug_layers", windowmanager_debug_layers, nullptr, nullptr, AFB_SESSION_NONE},
754 {"debug_surfaces", windowmanager_debug_surfaces, nullptr, nullptr, AFB_SESSION_NONE},
755 {"debug_terminate", windowmanager_debug_terminate, nullptr, nullptr, AFB_SESSION_NONE},
758 extern "C" const struct afb_binding_v2 afbBindingV2 = {
759 "windowmanager", nullptr, nullptr, windowmanager_verbs, nullptr, binding_init, nullptr, 0};