2 * Copyright (c) 2017 Panasonic Corporation
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5 * of this software and associated documentation files (the "Software"), to deal
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8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in all
12 * copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 #include "cpptoml/cpptoml.h"
38 #define RUNXDG_CONFIG "runxdg.toml"
40 void fatal(const char* format, ...)
43 va_start(va_args, format);
44 vfprintf(stderr, format, va_args);
50 void warn(const char* format, ...)
53 va_start(va_args, format);
54 vfprintf(stderr, format, va_args);
58 void debug(const char* format, ...)
61 va_start(va_args, format);
62 vfprintf(stderr, format, va_args);
66 void RunXDG::notify_ivi_control_cb (ilmObjectType object, t_ilm_uint id,
69 if (object == ILM_SURFACE) {
70 struct ilmSurfaceProperties surf_props;
72 ilm_getPropertiesOfSurface(id, &surf_props);
73 pid_t surf_pid = surf_props.creatorPid;
76 AGL_DEBUG("ivi surface (id=%d, pid=%d) destroyed.", id, surf_pid);
77 m_launcher->unregister_surfpid(surf_pid);
78 m_surfaces.erase(surf_pid);
82 AGL_DEBUG("ivi surface (id=%d, pid=%d) is created.", id, surf_pid);
84 m_launcher->register_surfpid(surf_pid);
85 if (m_launcher->m_rid &&
86 surf_pid == m_launcher->find_surfpid_by_rid(m_launcher->m_rid)) {
89 m_surfaces[surf_pid] = id;
90 } else if (object == ILM_LAYER) {
92 AGL_DEBUG("ivi layer: %d created.", id);
94 AGL_DEBUG("ivi layer: %d destroyed.", id);
98 void RunXDG::notify_ivi_control_cb_static (ilmObjectType object, t_ilm_uint id,
99 t_ilm_bool created, void *user_data)
101 RunXDG *runxdg = static_cast<RunXDG*>(user_data);
102 runxdg->notify_ivi_control_cb(object, id, created);
105 int POSIXLauncher::launch (std::string& name)
111 AGL_DEBUG("cannot fork()");
117 const char **argv = new const char * [m_args_v.size() + 1];
118 for (unsigned int i = 0; i < m_args_v.size(); ++i) {
119 argv[i] = m_args_v[i].c_str();
121 argv[m_args_v.size()] = NULL;
123 execv(argv[0], (char **)argv);
125 AGL_FATAL("fail to execve(%s)", argv[0]);
132 void POSIXLauncher::loop (volatile sig_atomic_t& e_flag)
138 ret = waitpid(m_rid, &status, 0);
140 if (errno == EINTR) {
141 AGL_DEBUG("catch EINTR while waitpid()");
149 if (WIFEXITED(status)) {
150 AGL_DEBUG("%s terminated, return %d", m_args_v[0].c_str(),
151 WEXITSTATUS(status));
153 if (WIFSIGNALED(status)) {
154 AGL_DEBUG("%s terminated by signal %d", m_args_v[0].c_str(),
160 /* parent killed by someone, so need to kill children */
161 AGL_DEBUG("killpg(0, SIGTERM)");
166 int AFMDBusLauncher::get_dbus_message_bus (GBusType bus_type,
167 GDBusConnection * &conn)
171 conn = g_bus_get_sync(bus_type, NULL, &err);
173 AGL_WARN("Failed to get session bus: %s", err->message);
174 g_clear_error (&err);
181 int AFMDBusLauncher::launch (std::string &name)
185 GDBusConnection* conn;
189 const char* xdg_app = name.c_str();
191 if (get_dbus_message_bus(G_BUS_TYPE_SESSION, conn)) {
195 msg = g_dbus_message_new_method_call (
202 AGL_WARN("Failed to allocate the dbus message");
203 g_object_unref(conn);
207 g_dbus_message_set_body(msg, g_variant_new("(s)", xdg_app));
209 re = g_dbus_connection_send_message_with_reply_sync (
210 conn, msg, G_DBUS_SEND_MESSAGE_FLAGS_NONE, -1, NULL, NULL, &err);
213 AGL_WARN("unable to send message: %s", err->message);
215 g_object_unref(conn);
220 g_dbus_connection_flush_sync(conn, NULL, &err);
222 AGL_WARN("unable to flush message queue: %s", err->message);
223 g_object_unref(conn);
229 body = g_dbus_message_get_body(re);
230 g_variant_get(body, "(&s)", &val);
232 AGL_DEBUG("dbus message get (%s)", val);
234 pid_t rid = std::stol(std::string(val));
235 AGL_DEBUG("RID = %d", rid);
237 g_object_unref(conn);
244 volatile sig_atomic_t e_flag = 0;
246 static void sigterm_handler (int signum)
251 static void init_signal (void)
253 struct sigaction act, info;
255 /* Setup signal for SIGTERM */
256 if (!sigaction(SIGTERM, NULL, &info)) {
257 if (info.sa_handler == SIG_IGN) {
258 AGL_DEBUG("SIGTERM being ignored.");
259 } else if (info.sa_handler == SIG_DFL) {
260 AGL_DEBUG("SIGTERM being defaulted.");
264 act.sa_handler = &sigterm_handler;
265 if (sigemptyset(&act.sa_mask) != 0) {
266 AGL_FATAL("Cannot initialize sigaction");
270 if (sigaction(SIGTERM, &act, &info) != 0) {
271 AGL_FATAL("Cannot register signal handler for SIGTERM");
275 int RunXDG::init_wm (void)
277 m_wm = new LibWindowmanager();
278 if (m_wm->init(m_port, m_token.c_str())) {
279 AGL_DEBUG("cannot initialize windowmanager");
283 std::function< void(json_object*) > h_active = [](json_object* object) {
284 AGL_DEBUG("Got Event_Active");
287 std::function< void(json_object*) > h_inactive = [](json_object* object) {
288 AGL_DEBUG("Got Event_Inactive");
291 std::function< void(json_object*) > h_visible = [](json_object* object) {
292 AGL_DEBUG("Got Event_Visible");
295 std::function< void(json_object*) > h_invisible = [](json_object* object) {
296 AGL_DEBUG("Got Event_Invisible");
299 std::function< void(json_object*) > h_syncdraw =
300 [this](json_object* object) {
301 AGL_DEBUG("Got Event_SyncDraw");
302 json_object* obj = json_object_new_object();
303 json_object_object_add(obj, this->m_wm->kKeyDrawingName,
304 json_object_new_string(this->m_role.c_str()));
305 this->m_wm->endDraw(obj);
308 std::function< void(json_object*) > h_flushdraw= [](json_object* object) {
309 AGL_DEBUG("Got Event_FlushDraw");
312 m_wm->set_event_handler(LibWindowmanager::Event_Active, h_active);
313 m_wm->set_event_handler(LibWindowmanager::Event_Inactive, h_inactive);
314 m_wm->set_event_handler(LibWindowmanager::Event_Visible, h_visible);
315 m_wm->set_event_handler(LibWindowmanager::Event_Invisible, h_invisible);
316 m_wm->set_event_handler(LibWindowmanager::Event_SyncDraw, h_syncdraw);
317 m_wm->set_event_handler(LibWindowmanager::Event_FlushDraw, h_flushdraw);
322 int RunXDG::init_hs (void)
324 m_hs = new LibHomeScreen();
325 if (m_hs->init(m_port, m_token.c_str())) {
326 AGL_DEBUG("cannot initialize homescreen");
330 std::function< void(json_object*) > handler = [this] (json_object* object) {
333 if (json_object_object_get_ex(object, "application_name", &val)) {
334 const char *name = json_object_get_string(val);
336 AGL_DEBUG("Event_TapShortcut <%s>", name);
338 if (strcmp(name, this->m_role.c_str()) == 0) {
339 // check app exist and re-launch if needed
340 AGL_DEBUG("Activesurface %s ", this->m_role.c_str());
342 json_object *obj = json_object_new_object();
343 json_object_object_add(obj, this->m_wm->kKeyDrawingName,
344 json_object_new_string(this->m_role.c_str()));
345 json_object_object_add(obj, this->m_wm->kKeyDrawingArea,
346 json_object_new_string("normal.full"));
348 this->m_wm->activateSurface(obj);
352 m_hs->set_event_handler(LibHomeScreen::Event_TapShortcut, handler);
354 std::function< void(json_object*) > h_default= [](json_object* object) {
355 const char *j_str = json_object_to_json_string(object);
356 AGL_DEBUG("Got event [%s]", j_str);
358 m_hs->set_event_handler(LibHomeScreen::Event_OnScreenMessage, h_default);
363 int RunXDG::parse_config (const char *path_to_config)
365 auto config = cpptoml::parse_file(path_to_config);
367 if (config == nullptr) {
368 AGL_DEBUG("cannot parse %s", path_to_config);
372 AGL_DEBUG("[%s] parsed", path_to_config);
374 auto app = config->get_table("application");
375 if (app == nullptr) {
376 AGL_DEBUG("cannto find [application]");
380 m_role = *(app->get_as<std::string>("role"));
381 m_path = *(app->get_as<std::string>("path"));
382 if (m_role.empty() || m_path.empty()) {
383 AGL_FATAL("No name or path defined in config");
386 std::string method = *(app->get_as<std::string>("method"));
387 if (method.empty()) {
388 method = std::string("POSIX");
393 /* Setup API of launcher */
394 if (method == "POSIX") {
395 pl = new POSIXLauncher();
397 } else if (method == "AFM_DBUS") {
398 m_launcher = new AFMDBusLauncher();
400 } else if (method == "AFM_WEBSOCKET") {
401 m_launcher = new AFMWebSocketLauncher();
404 AGL_FATAL("Unknown type of launcher");
408 pl->m_args_v.push_back(m_path);
411 auto params = app->get_array_of<std::string>("params");
412 for (const auto& param : *params)
414 // replace special string "@port@" and "@token@"
415 size_t found = param.find("@port@");
416 if (found != std::string::npos) {
417 std::string sub1 = param.substr(0, found);
418 std::string sub2 = param.substr(found + 6, param.size() - found);
419 std::string str = sub1 + std::to_string(m_port) + sub2;
420 pl->m_args_v.push_back(str);
421 AGL_DEBUG("params[%s] (match @port@)", str.c_str());
425 found = param.find("@token@");
426 if (found != std::string::npos) {
427 std::string sub1 = param.substr(0, found);
428 std::string sub2 = param.substr(found + 7, param.size() - found);
429 std::string str = sub1 + m_token + sub2;
430 pl->m_args_v.push_back(str);
431 AGL_DEBUG("params[%s] (match @token@)", str.c_str());
435 pl->m_args_v.push_back(param);
437 AGL_DEBUG("params[%s]", param.c_str());
443 RunXDG::RunXDG (int port, const char* token, const char* id)
445 m_id = std::string(id);
447 m_token = std::string(token);
450 auto path = std::string(getenv("AFM_APP_INSTALL_DIR"));
451 path = path + "/" + RUNXDG_CONFIG;
453 // Parse config file of runxdg
454 if (parse_config(path.c_str())) {
455 AGL_FATAL("Error in config");
458 AGL_DEBUG("id=[%s], name=[%s], path=[%s], port=%lu, token=[%s]",
459 m_id.c_str(), m_role.c_str(), m_path.c_str(),
460 m_port, m_token.c_str());
462 // Setup HomeScreen/WindowManager API
464 AGL_FATAL("cannot setup wm API");
467 AGL_FATAL("cannot setup hs API");
469 // Setup ilmController API
470 m_ic = new ILMControl(notify_ivi_control_cb_static, this);
472 AGL_DEBUG("RunXDG created.");
475 void RunXDG::setup_surface (int id)
477 std::string sid = std::to_string(id);
479 // This surface is mine, register pair app_name and ivi id.
480 json_object *obj = json_object_new_object();
481 json_object_object_add(obj, m_wm->kKeyDrawingName,
482 json_object_new_string(m_role.c_str()));
483 json_object_object_add(obj, m_wm->kKeyIviId,
484 json_object_new_string(sid.c_str()));
486 AGL_DEBUG("requestSurfaceXDG(%s,%s)", m_role.c_str(), sid.c_str());
487 m_wm->requestSurfaceXDG(obj);
489 if (m_pending_create) {
490 // Recovering 1st time tap_shortcut is dropped because
491 // the application has not been run yet (1st time launch)
492 m_pending_create = false;
494 json_object *obj = json_object_new_object();
495 json_object_object_add(obj, m_wm->kKeyDrawingName,
496 json_object_new_string(m_role.c_str()));
497 json_object_object_add(obj, m_wm->kKeyDrawingArea,
498 json_object_new_string("normal.full"));
499 m_wm->activateSurface(obj);
503 void POSIXLauncher::register_surfpid (pid_t surf_pid)
505 if (surf_pid == m_rid) {
506 if (!std::count(m_pid_v.begin(), m_pid_v.end(), surf_pid)) {
507 AGL_DEBUG("surface creator(pid=%d) registered", surf_pid);
508 m_pid_v.push_back(surf_pid);
509 AGL_DEBUG("m_pid_v.count(%d) = %d", surf_pid,
510 std::count(m_pid_v.begin(), m_pid_v.end(), surf_pid));
515 void POSIXLauncher::unregister_surfpid (pid_t surf_pid)
517 auto beg = m_pid_v.begin();
518 auto end = m_pid_v.end();
519 m_pid_v.erase(std::remove(beg, end, surf_pid), end);
520 AGL_DEBUG("Unregistered surface (id=%d sz=%u)", surf_pid, m_pid_v.size());
523 pid_t POSIXLauncher::find_surfpid_by_rid (pid_t rid)
525 AGL_DEBUG("find surfpid by rid(%d)", rid);
526 if (std::count(m_pid_v.begin(), m_pid_v.end(), rid)) {
527 AGL_DEBUG("found return(%d)", rid);
534 void AFMLauncher::register_surfpid (pid_t surf_pid)
538 pgid = getpgid(surf_pid);
541 AGL_DEBUG("fail to get process group id");
545 AGL_DEBUG("Surface creator is pid=%d, pgid=%d", surf_pid, pgid);
547 if (!m_pgids.count(pgid)) {
548 m_pgids[pgid] = surf_pid;
552 void AFMLauncher::unregister_surfpid (pid_t surf_pid)
554 auto itr = m_pgids.begin();
555 while (itr != m_pgids.end()) {
556 if (itr->second == surf_pid) {
557 m_pgids.erase(itr++);
564 pid_t AFMLauncher::find_surfpid_by_rid (pid_t rid)
566 auto itr = m_pgids.find(rid);
567 if (itr != m_pgids.end())
573 void RunXDG::start (void)
575 // Initialize SIGTERM handler
578 /* Launch XDG application */
579 m_launcher->m_rid = m_launcher->launch(m_id);
580 if (m_launcher->m_rid < 0) {
581 AGL_FATAL("cannot launch XDG app (%s)", m_id);
584 // take care 1st time launch
585 AGL_DEBUG("waiting for notification: surafce created");
586 m_pending_create = true;
588 // in case, target app has already run
589 if (m_launcher->m_rid) {
590 pid_t surf_pid = m_launcher->find_surfpid_by_rid(m_launcher->m_rid);
592 AGL_DEBUG("match: surf:pid=%d, afm:rid=%d", surf_pid,
594 auto itr = m_surfaces.find(surf_pid);
595 if (itr != m_surfaces.end()) {
596 int id = itr->second;
597 AGL_DEBUG("surface %d for <%s> already exists", id,
603 m_launcher->loop(e_flag);
606 int main (int argc, const char* argv[])
609 // setenv("USE_HMI_DEBUG", "5", 1);
610 // setenv("WAYLAND_DEBUG", "1", 1);
617 AGL_FATAL("Missing port and token");
621 const char *afm_id = getenv("AFM_ID");
622 if (afm_id == NULL || !afm_id[0]) {
627 port = std::stol(argv[1]);
629 } catch (const std::invalid_argument& e) {
630 AGL_FATAL("Invalid argument");
631 } catch (const std::out_of_range& e) {
632 AGL_FATAL("Out of range");
635 RunXDG runxdg(port, token, afm_id);