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"
29 #include <afb/afb-binding.h>
30 #include <systemd/sd-event.h>
33 typedef struct wmClientCtxt{
35 wmClientCtxt(const char* appName){
41 std::unique_ptr<wl::display> display;
44 afb_instance() : display{new wl::display}, app{this->display.get()} {}
49 struct afb_instance *g_afb_instance;
52 int afb_instance::init() {
53 return this->app.init();
56 int display_event_callback(sd_event_source *evs, int /*fd*/, uint32_t events,
60 if ((events & EPOLLHUP) != 0) {
61 HMI_ERROR("wm", "The compositor hung up, dying now.");
62 delete g_afb_instance;
63 g_afb_instance = nullptr;
67 if ((events & EPOLLIN) != 0u) {
69 STN(display_read_events);
70 g_afb_instance->app.display->read_events();
71 g_afb_instance->app.set_pending_events();
74 // We want do dispatch pending wayland events from within
76 STN(winman_ping_api_call);
77 afb_service_call("windowmanager", "ping", json_object_new_object(),
78 [](void *c, int st, json_object *j) {
79 STN(winman_ping_api_call_return);
88 sd_event_source_unref(evs);
89 if (getenv("WINMAN_EXIT_ON_HANGUP") != nullptr) {
96 HMI_NOTICE("wm", "WinMan ver. %s", WINMAN_VERSION_STRING);
98 if (g_afb_instance != nullptr) {
99 HMI_ERROR("wm", "Wayland context already initialized?");
103 if (getenv("XDG_RUNTIME_DIR") == nullptr) {
104 HMI_ERROR("wm", "Environment variable XDG_RUNTIME_DIR not set");
109 // wait until wayland compositor starts up.
111 g_afb_instance = new afb_instance;
112 while (!g_afb_instance->display->ok()) {
115 HMI_ERROR("wm", "Could not connect to compositor");
118 HMI_ERROR("wm", "Wait to start weston ...");
120 delete g_afb_instance;
121 g_afb_instance = new afb_instance;
125 if (g_afb_instance->init() == -1) {
126 HMI_ERROR("wm", "Could not connect to compositor");
131 int ret = sd_event_add_io(afb_daemon_get_event_loop(), nullptr,
132 g_afb_instance->display->get_fd(), EPOLLIN,
133 display_event_callback, g_afb_instance);
135 HMI_ERROR("wm", "Could not initialize afb_instance event handler: %d", -ret);
140 atexit([] { delete g_afb_instance; });
145 delete g_afb_instance;
146 g_afb_instance = nullptr;
150 int binding_init() noexcept {
152 return _binding_init();
153 } catch (std::exception &e) {
154 HMI_ERROR("wm", "Uncaught exception in binding_init(): %s", e.what());
159 static bool checkFirstReq(afb_req req){
160 wmClientCtxt* ctxt = (wmClientCtxt*)afb_req_context_get(req);
161 return (ctxt) ? false : true;
164 static void cbRemoveClientCtxt(void* data){
165 wmClientCtxt* ctxt = (wmClientCtxt*)data;
169 HMI_DEBUG("wm","remove app %s", ctxt->name.c_str());
170 // Lookup surfaceID and remove it because App is dead.
171 auto pSid = g_afb_instance->app.id_alloc.lookup(ctxt->name.c_str());
174 g_afb_instance->app.id_alloc.remove_id(sid);
175 g_afb_instance->app.layers.remove_surface(sid);
176 g_afb_instance->app.controller->sprops.erase(sid);
177 g_afb_instance->app.controller->surfaces.erase(sid);
178 HMI_DEBUG("wm", "delete surfaceID %d", sid);
183 void windowmanager_requestsurface(afb_req req) noexcept {
184 std::lock_guard<std::mutex> guard(binding_m);
188 if (g_afb_instance == nullptr) {
189 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
194 const char* a_drawing_name = afb_req_value(req, "drawing_name");
196 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
200 /* Create Security Context */
201 bool isFirstReq = checkFirstReq(req);
203 wmClientCtxt* ctxt = (wmClientCtxt*)afb_req_context_get(req);
204 HMI_DEBUG("wm", "You're %s.", ctxt->name.c_str());
205 if(ctxt->name != std::string(a_drawing_name)){
206 afb_req_fail_f(req, "failed", "Dont request with other name: %s for now", a_drawing_name);
207 HMI_DEBUG("wm", "Don't request with other name: %s for now", a_drawing_name);
212 auto ret = g_afb_instance->app.api_request_surface(a_drawing_name);
215 wmClientCtxt* ctxt = new wmClientCtxt(a_drawing_name);
216 HMI_DEBUG("wm", "create session for %s", ctxt->name.c_str());
217 afb_req_session_set_LOA(req, 1);
218 afb_req_context_set(req, ctxt, cbRemoveClientCtxt);
221 HMI_DEBUG("wm", "session already created for %s", a_drawing_name);
225 afb_req_fail(req, "failed", ret.unwrap_err());
229 afb_req_success(req, json_object_new_int(ret.unwrap()), "success");
231 } catch (std::exception &e) {
232 afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurface: %s", e.what());
238 void windowmanager_requestsurfacexdg(afb_req req) noexcept {
239 std::lock_guard<std::mutex> guard(binding_m);
243 if (g_afb_instance == nullptr) {
244 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
249 json_object *jreq = afb_req_json(req);
251 json_object *j_drawing_name = nullptr;
252 if (! json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name)) {
253 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
256 char const* a_drawing_name = json_object_get_string(j_drawing_name);
258 json_object *j_ivi_id = nullptr;
259 if (! json_object_object_get_ex(jreq, "ivi_id", &j_ivi_id)) {
260 afb_req_fail(req, "failed", "Need char const* argument ivi_id");
263 char const* a_ivi_id = json_object_get_string(j_ivi_id);
265 auto ret = g_afb_instance->app.api_request_surface(a_drawing_name, a_ivi_id);
266 if (ret != nullptr) {
267 afb_req_fail(req, "failed", ret);
271 afb_req_success(req, NULL, "success");
272 } catch (std::exception &e) {
273 afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurfacexdg: %s", e.what());
278 void windowmanager_activatesurface(afb_req req) noexcept {
279 std::lock_guard<std::mutex> guard(binding_m);
283 if (g_afb_instance == nullptr) {
284 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
289 const char* a_drawing_name = afb_req_value(req, "drawing_name");
291 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
295 const char* a_drawing_area = afb_req_value(req, "drawing_area");
297 afb_req_fail(req, "failed", "Need char const* argument drawing_area");
301 auto ret = g_afb_instance->app.api_activate_surface(a_drawing_name, a_drawing_area);
302 if (ret != nullptr) {
303 afb_req_fail(req, "failed", ret);
307 afb_req_success(req, NULL, "success");
308 } catch (std::exception &e) {
309 afb_req_fail_f(req, "failed", "Uncaught exception while calling activatesurface: %s", e.what());
315 void windowmanager_deactivatesurface(afb_req req) noexcept {
316 std::lock_guard<std::mutex> guard(binding_m);
320 if (g_afb_instance == nullptr) {
321 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
326 const char* a_drawing_name = afb_req_value(req, "drawing_name");
328 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
332 auto ret = g_afb_instance->app.api_deactivate_surface(a_drawing_name);
333 if (ret != nullptr) {
334 afb_req_fail(req, "failed", ret);
338 afb_req_success(req, NULL, "success");
339 } catch (std::exception &e) {
340 afb_req_fail_f(req, "failed", "Uncaught exception while calling deactivatesurface: %s", e.what());
345 void windowmanager_enddraw(afb_req req) noexcept {
346 std::lock_guard<std::mutex> guard(binding_m);
350 if (g_afb_instance == nullptr) {
351 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
356 const char* a_drawing_name = afb_req_value(req, "drawing_name");
358 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
362 auto ret = g_afb_instance->app.api_enddraw(a_drawing_name);
363 if (ret != nullptr) {
364 afb_req_fail(req, "failed", ret);
368 afb_req_success(req, NULL, "success");
369 } catch (std::exception &e) {
370 afb_req_fail_f(req, "failed", "Uncaught exception while calling enddraw: %s", e.what());
376 void windowmanager_getdisplayinfo_thunk(afb_req req) noexcept {
377 std::lock_guard<std::mutex> guard(binding_m);
381 if (g_afb_instance == nullptr) {
382 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
387 auto ret = g_afb_instance->app.api_get_display_info();
389 afb_req_fail(req, "failed", ret.unwrap_err());
393 afb_req_success(req, ret.unwrap(), "success");
394 } catch (std::exception &e) {
395 afb_req_fail_f(req, "failed", "Uncaught exception while calling getdisplayinfo: %s", e.what());
401 void windowmanager_getareainfo_thunk(afb_req req) noexcept {
402 std::lock_guard<std::mutex> guard(binding_m);
406 if (g_afb_instance == nullptr) {
407 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
412 json_object *jreq = afb_req_json(req);
414 json_object *j_drawing_name = nullptr;
415 if (! json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name)) {
416 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
419 char const* a_drawing_name = json_object_get_string(j_drawing_name);
421 auto ret = g_afb_instance->app.api_get_area_info(a_drawing_name);
423 afb_req_fail(req, "failed", ret.unwrap_err());
427 afb_req_success(req, ret.unwrap(), "success");
428 } catch (std::exception &e) {
429 afb_req_fail_f(req, "failed", "Uncaught exception while calling getareainfo: %s", e.what());
435 void windowmanager_wm_subscribe(afb_req req) noexcept {
436 std::lock_guard<std::mutex> guard(binding_m);
440 if (g_afb_instance == nullptr) {
441 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
446 json_object *jreq = afb_req_json(req);
447 json_object *j = nullptr;
448 if (! json_object_object_get_ex(jreq, "event", &j)) {
449 afb_req_fail(req, "failed", "Need char const* argument event");
452 int event_type = json_object_get_int(j);
453 const char *event_name = g_afb_instance->app.kListEventName[event_type];
454 struct afb_event event = g_afb_instance->app.map_afb_event[event_name];
455 int ret = afb_req_subscribe(req, event);
457 afb_req_fail(req, "failed", "Error: afb_req_subscribe()");
460 afb_req_success(req, NULL, "success");
462 } catch (std::exception &e) {
463 afb_req_fail_f(req, "failed", "Uncaught exception while calling wm_subscribe: %s", e.what());
469 void windowmanager_list_drawing_names(afb_req req) noexcept {
470 std::lock_guard<std::mutex> guard(binding_m);
474 if (g_afb_instance == nullptr) {
475 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
481 nlohmann::json j = g_afb_instance->app.id_alloc.name2id;
482 auto ret = wm::Ok(json_tokener_parse(j.dump().c_str()));
484 afb_req_fail(req, "failed", ret.unwrap_err());
488 afb_req_success(req, ret.unwrap(), "success");
490 } catch (std::exception &e) {
491 afb_req_fail_f(req, "failed", "Uncaught exception while calling list_drawing_names: %s", e.what());
497 void windowmanager_ping(afb_req req) noexcept {
498 std::lock_guard<std::mutex> guard(binding_m);
502 if (g_afb_instance == nullptr) {
503 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
509 g_afb_instance->app.api_ping();
511 afb_req_success(req, NULL, "success");
513 } catch (std::exception &e) {
514 afb_req_fail_f(req, "failed", "Uncaught exception while calling ping: %s", e.what());
519 void windowmanager_debug_status(afb_req req) noexcept {
520 std::lock_guard<std::mutex> guard(binding_m);
524 if (g_afb_instance == nullptr) {
525 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
531 json_object *jr = json_object_new_object();
532 json_object_object_add(jr, "surfaces",
533 to_json(g_afb_instance->app.controller->sprops));
534 json_object_object_add(jr, "layers", to_json(g_afb_instance->app.controller->lprops));
536 afb_req_success(req, jr, "success");
538 } catch (std::exception &e) {
539 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_status: %s", e.what());
544 void windowmanager_debug_layers(afb_req req) noexcept {
545 std::lock_guard<std::mutex> guard(binding_m);
549 if (g_afb_instance == nullptr) {
550 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
555 auto ret = wm::Ok(json_tokener_parse(g_afb_instance->app.layers.to_json().dump().c_str()));
557 afb_req_success(req, ret, "success");
559 } catch (std::exception &e) {
560 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_layers: %s", e.what());
565 void windowmanager_debug_surfaces(afb_req req) noexcept {
566 std::lock_guard<std::mutex> guard(binding_m);
570 if (g_afb_instance == nullptr) {
571 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
577 auto ret = wm::Ok(to_json(g_afb_instance->app.controller->sprops));
579 afb_req_fail(req, "failed", ret.unwrap_err());
583 afb_req_success(req, ret.unwrap(), "success");
585 } catch (std::exception &e) {
586 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_surfaces: %s", e.what());
592 void windowmanager_debug_terminate(afb_req req) noexcept {
593 std::lock_guard<std::mutex> guard(binding_m);
597 if (g_afb_instance == nullptr) {
598 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
604 if (getenv("WINMAN_DEBUG_TERMINATE") != nullptr) {
605 raise(SIGKILL); // afb-daemon kills it's pgroup using TERM, which
606 // doesn't play well with perf
609 afb_req_success(req, NULL, "success");
611 } catch (std::exception &e) {
612 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_terminate: %s", e.what());
618 const struct afb_verb_v2 windowmanager_verbs[] = {
619 { "requestsurface", windowmanager_requestsurface, nullptr, nullptr, AFB_SESSION_NONE },
620 { "requestsurfacexdg", windowmanager_requestsurfacexdg, nullptr, nullptr, AFB_SESSION_NONE },
621 { "activatesurface", windowmanager_activatesurface, nullptr, nullptr, AFB_SESSION_NONE },
622 { "deactivatesurface", windowmanager_deactivatesurface, nullptr, nullptr, AFB_SESSION_NONE },
623 { "enddraw", windowmanager_enddraw, nullptr, nullptr, AFB_SESSION_NONE },
624 { "getdisplayinfo", windowmanager_getdisplayinfo_thunk, nullptr, nullptr, AFB_SESSION_NONE },
625 { "getareainfo", windowmanager_getareainfo_thunk, nullptr, nullptr, AFB_SESSION_NONE },
626 { "wm_subscribe", windowmanager_wm_subscribe, nullptr, nullptr, AFB_SESSION_NONE },
627 { "list_drawing_names", windowmanager_list_drawing_names, nullptr, nullptr, AFB_SESSION_NONE },
628 { "ping", windowmanager_ping, nullptr, nullptr, AFB_SESSION_NONE },
629 { "debug_status", windowmanager_debug_status, nullptr, nullptr, AFB_SESSION_NONE },
630 { "debug_layers", windowmanager_debug_layers, nullptr, nullptr, AFB_SESSION_NONE },
631 { "debug_surfaces", windowmanager_debug_surfaces, nullptr, nullptr, AFB_SESSION_NONE },
632 { "debug_terminate", windowmanager_debug_terminate, nullptr, nullptr, AFB_SESSION_NONE },
636 extern "C" const struct afb_binding_v2 afbBindingV2 = {
637 "windowmanager", nullptr, nullptr, windowmanager_verbs, nullptr, binding_init, nullptr, 0};