4 * Copyright (c) 2017 Samsung Electronics Co., Ltd. All rights reserved.
6 * Contact: YoungHun Kim <yh8004.kim@samsung.com>
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
22 #include "muse_server_private.h"
24 #include <sys/syscall.h>
27 #include <tzplatform_config.h>
29 #if !GLIB_CHECK_VERSION(2, 58, 0)
30 #define G_SOURCE_FUNC(f) ((GSourceFunc) (void (*)(void)) (f))
33 #ifdef MUSE_REGISTER_VIP
34 #include <proc_stat.h>
39 #define MUSE_LWIPC_WAIT_TIME 1000
43 static const char *channel_name[MUSE_CHANNEL_MAX] = {
48 static const char *UDS_files[MUSE_CHANNEL_MAX] = {MUSE_MSG_SOCK, MUSE_DATA_SOCK};
50 static muse_server_h muse_server;
52 static const char *module_cmd[MUSE_MODULE_COMMAND_MAX] = {
57 "resource_not_available",
58 "external_storage_state_changed",
60 "resource_manager_shutdown"
63 static bool _ms_attach(int fd, muse_module_callback connection_handler, gpointer module_idx);
64 static void _ms_create_new_server_from_fd(int fd[], int type);
65 static int _ms_new(muse_channel_e channel);
66 static int _ms_get_pid(int fd);
67 static void _ms_get_module_addr(int fd, intptr_t *module_addr);
68 static void _ms_check_idle_state(void);
69 static gpointer _ms_diag_check_idle_state_thread(gpointer data);
70 static gpointer _ms_diag_check_connection_event_thread(gpointer data);
71 static void _ms_lock_state(void);
72 static void _ms_unlock_state(void);
73 static gboolean _ms_connection_handler(GIOChannel *source, GIOCondition condition, gpointer data);
75 static void _ms_wait_event(void);
76 static void _ms_diag_init(void);
77 static void _ms_diag_deinit(void);
78 static gboolean _ms_idle_cb(gpointer user_data);
79 static int _ms_open_lockfile(void);
81 static void _ms_wait_event(void)
83 const char *lw_event_list[] = { "/run/.wm_ready", "/tmp/avoc_ready" };
84 unsigned int count = sizeof(lw_event_list) / sizeof(char *);
86 if (LwipcWaitMultiEvents(lw_event_list, count, true, MUSE_LWIPC_WAIT_TIME, NULL, 0) != 0)
87 LOGE("Fail to receive Multiple Events");
91 static bool _ms_attach(int fd, muse_module_callback connection_handler, gpointer module_idx)
93 GIOChannel *channel = NULL;
98 muse_return_val_if_fail(muse_server, false);
99 muse_return_val_if_fail(muse_core_fd_is_valid(fd), false);
101 channel = g_io_channel_unix_new(fd);
102 muse_return_val_if_fail(channel, false);
104 src = g_io_create_watch(channel, G_IO_IN);
106 LOGE("g_io_create_watch() is failed");
107 g_io_channel_unref(channel);
111 g_source_set_callback(src, G_SOURCE_FUNC(connection_handler), module_idx, NULL);
113 if (g_source_attach(src, g_main_loop_get_context(muse_server->main_loop)) == 0) {
114 LOGE("g_source_attach() is failed");
115 g_io_channel_unref(channel);
121 g_io_channel_unref(channel);
128 static void _ms_create_new_server_from_fd(int fd[], int type)
131 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
135 muse_return_if_fail(muse_server);
137 muse_server->msg_fd = fd[MUSE_CHANNEL_MSG];
138 muse_server->data_fd = fd[MUSE_CHANNEL_DATA];
139 muse_server->type = type;
141 for (i = 0; i < MUSE_CHANNEL_MAX; i++) {
142 if (!_ms_attach(fd[i], _ms_connection_handler, GINT_TO_POINTER(i))) {
143 snprintf(err_msg, sizeof(err_msg), "Fail to attach server fd %d", fd[i]);
146 ms_terminate(SIGABRT);
153 static int _ms_new(muse_channel_e channel)
156 struct sockaddr_un addr_un;
157 socklen_t address_len;
158 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
160 muse_return_val_if_fail(channel < MUSE_CHANNEL_MAX, MM_ERROR_INVALID_ARGUMENT);
162 unlink(UDS_files[channel]);
165 fd = socket(AF_UNIX, SOCK_STREAM, 0); /* Unix Domain Socket */
166 if (!muse_core_fd_is_valid(fd)) {
167 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
168 LOGE("socket failed sock (%d) : %s", errno, err_msg);
172 LOGD("muse server fd : %d", fd);
174 memset(&addr_un, 0, sizeof(addr_un));
175 addr_un.sun_family = AF_UNIX;
176 strncpy(addr_un.sun_path, UDS_files[channel], sizeof(addr_un.sun_path) - 1);
177 address_len = sizeof(addr_un);
179 /* Bind to filename */
180 if (bind(fd, (struct sockaddr *)&addr_un, address_len) < 0) {
182 strerror_r(errsv, err_msg, MUSE_MSG_LEN_MAX);
183 LOGE("[%d] socket bind failed (%d) %s", fd, errsv, err_msg);
184 muse_core_log_file_list(UDS_files[channel]);
185 ms_log_user_group_info();
186 if (errsv == EADDRINUSE)
187 unlink(addr_un.sun_path);
192 /* Setup listen queue */
193 if (listen(fd, 5) == MUSE_ERR) {
194 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
195 LOGE("[%d] listen() failed (%d) %s", fd, errno, err_msg);
196 muse_core_log_file_list(UDS_files[channel]);
197 ms_log_user_group_info();
202 if (muse_core_set_nonblocking(fd, false) < 0) /* blocking */
203 LOGE("failed to set server socket to blocking");
208 static int _ms_get_pid(int fd)
210 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
211 struct ucred credentials;
214 length = sizeof(struct ucred);
215 if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &credentials, &length) < 0) {
216 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
217 LOGE("failed to get the value of credential type %s", err_msg);
221 muse_core_update_fd_state(fd);
223 return credentials.pid;
226 static void _ms_get_module_addr(int fd, intptr_t *module_addr)
231 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
232 char recv_buf[MUSE_MSG_LEN_MAX] = {'\0',};
235 if (muse_core_msg_recv_fd(fd, recv_buf, MUSE_MSG_LEN_MAX, NULL) <= 0) {
236 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
237 LOGE("failed to receive message for module %s", err_msg);
241 jobj = muse_core_msg_object_new(recv_buf, NULL, NULL);
243 ret = muse_core_msg_object_get_value(MSG_KEY_MODULE_ADDR, jobj, MUSE_TYPE_POINTER, module_addr);
244 muse_core_msg_object_free(jobj);
246 LOGE("[%d] Error - module_addr %s", try_count, recv_buf);
250 } while (++try_count < MS_RECV_TRY_COUNT_MAX);
253 static gboolean _ms_connection_handler(GIOChannel *source, GIOCondition condition, gpointer data)
255 int server_sockfd, client_sockfd, pid, idx, len;
256 socklen_t client_len;
257 struct sockaddr_un client_address;
258 muse_channel_e channel = GPOINTER_TO_INT(data);
259 muse_module_h m = NULL;
260 muse_module_h peeked_m = NULL;
261 muse_module_h candidate_m = NULL;
262 intptr_t module_addr = 0;
263 GQueue *instance_queue = NULL;
264 ms_connection_t *connection = NULL;
265 char time_buf[MUSE_MSG_TIME_LEN];
267 muse_return_val_if_fail(channel == MUSE_CHANNEL_MSG || channel == MUSE_CHANNEL_DATA, FALSE);
269 LOGI("Enter [%s channel]", channel_name[channel]);
271 muse_return_val_if_fail(muse_server, FALSE);
273 connection = muse_server->connection;
274 muse_return_val_if_fail(connection, FALSE);
278 if (!ms_is_server_ready()) {
279 LOGW("Now mused state is not ready...");
281 ms_terminate(SIGABRT);
284 server_sockfd = g_io_channel_unix_get_fd(source);
285 if (!muse_core_fd_is_valid(server_sockfd)) {
286 LOGE("Critical Error : server %d is invalid", server_sockfd);
288 muse_core_dump_fd_state(server_sockfd);
289 ms_terminate(SIGABRT);
292 client_len = sizeof(client_address);
294 LOGI("[%d] Try to accept...", server_sockfd);
295 client_sockfd = accept(server_sockfd, (struct sockaddr *)&client_address, &client_len);
296 if (!muse_core_fd_is_valid(client_sockfd)) {
297 LOGE("Critical Error : accept %d is invalid", client_sockfd);
298 muse_core_dump_fd_state(client_sockfd);
299 close(server_sockfd);
301 ms_terminate(SIGABRT);
304 LOGI("server : %d client [%s channel] : %d", server_sockfd, channel_name[channel], client_sockfd);
306 pid = _ms_get_pid(client_sockfd);
308 if (channel == MUSE_CHANNEL_MSG) {
309 m = g_new0(muse_module_t, 1);
310 SECURE_LOGI("module [%p]", m);
311 m->ch[MUSE_CHANNEL_MSG].sock_fd = client_sockfd;
313 g_mutex_init(&m->dispatch_lock);
315 ms_ipc_create_msg_dispatch_worker(m);
318 _ms_get_module_addr(client_sockfd, &module_addr);
320 ms_connection_lock(connection);
322 instance_queue = connection->instance_q;
323 len = g_queue_get_length(instance_queue);
325 m = (muse_module_h)module_addr;
327 for (idx = 0; idx < len; idx++) {
328 peeked_m = (muse_module_h)g_queue_peek_nth(instance_queue, idx);
330 LOGW("[%d] Make sure if the queue length is changed (%d = %d), which means that it was destroyed somewhere",
331 idx, len, g_queue_get_length(instance_queue));
335 if (peeked_m->pid != pid)
340 LOGE("muse-server can't support the error case which there are several modules now");
341 ms_connection_unlock(connection);
345 if (!muse_core_fd_is_valid(peeked_m->ch[MUSE_CHANNEL_DATA].sock_fd))
346 candidate_m = peeked_m;
348 SECURE_LOGW("already paired module %p", peeked_m);
356 if (muse_core_fd_is_valid(m->ch[MUSE_CHANNEL_DATA].sock_fd)) {
357 SECURE_LOGE("[%d] %s pid %d %p you had better check if instance destroy completed properly",
358 client_sockfd, ms_config_get_host_name(m->idx), pid, m);
359 ms_connection_unlock(connection);
363 m->ch[MUSE_CHANNEL_DATA].sock_fd = client_sockfd;
364 SECURE_LOGI("%s (pid %d) module : %p module addr from client : %p",
365 ms_config_get_host_name(m->idx), pid, m, (void *)module_addr);
371 m->ch[MUSE_CHANNEL_DATA].sock_fd = client_sockfd;
372 SECURE_LOGW("[%d] %s pid %d %p restore module address at the only one null data channel",
373 client_sockfd, ms_config_get_host_name(m->idx), pid, m);
376 ms_connection_unlock(connection);
378 ms_ipc_create_data_dispatch_worker(m);
381 muse_core_get_cur_time(&muse_server->tv, NULL);
382 muse_core_change_time_format((int)muse_server->tv.tv_sec, time_buf);
383 LOGW("connected time (%s)", time_buf);
391 close(server_sockfd);
392 close(client_sockfd);
395 if (channel == MUSE_CHANNEL_MSG)
398 muse_core_connection_close(m->ch[MUSE_CHANNEL_MSG].sock_fd);
408 static void _ms_check_idle_state(void)
410 ms_connection_t *connection = NULL;
411 ms_config_t *conf = NULL;
412 int instance_number, period;
413 uint32_t elapsed_time;
415 static int period_idx = 1;
416 char time_buf[MUSE_MSG_TIME_LEN];
418 muse_return_if_fail(muse_server);
419 muse_return_if_fail(muse_server->state == MUSE_SERVER_STATE_READY);
421 connection = muse_server->connection;
422 muse_return_if_fail(connection);
424 conf = muse_server->conf;
425 muse_return_if_fail(conf);
427 period = ms_config_get_log_period();
429 if (muse_server->tv.tv_sec == 0)
432 muse_core_get_cur_time(&tv, NULL);
434 elapsed_time = tv.tv_sec - muse_server->tv.tv_sec;
436 ms_connection_lock(connection);
438 instance_number = g_queue_get_length(connection->instance_q);
440 if (elapsed_time >= (uint32_t)(period * period_idx)) {
441 muse_core_change_time_format((int)muse_server->tv.tv_sec, time_buf);
442 LOGW("[#%d] %us [period %ds] [%s] total number of modules = %d ( %s)", period_idx,
443 elapsed_time, period, time_buf, instance_number, muse_server->instance_pid_info);
447 ms_connection_unlock(connection);
449 if (conf->is_on_demand) {
450 if (instance_number == 0 && elapsed_time >= (uint32_t)ms_config_get_max_idle_time()) {
451 LOGE("Timeout exit !!! [Idle time] %u sec", elapsed_time);
452 ms_remove_ready_file();
458 static gpointer _ms_diag_check_idle_state_thread(gpointer data)
460 int idle_state_wait_time = ms_config_get_idle_state_wait_time();
462 muse_return_val_if_fail(muse_server, NULL);
463 muse_return_val_if_fail(idle_state_wait_time > 0, NULL);
465 while (ms_is_server_ready()) {
466 _ms_check_idle_state();
467 sleep(idle_state_wait_time);
473 static gpointer _ms_diag_check_connection_event_thread(gpointer data)
476 ms_diag_msg_t *dm = NULL;
477 muse_return_val_if_fail(muse_server, NULL);
479 d = &muse_server->diag;
481 while (ms_is_server_ready()) {
482 dm = (ms_diag_msg_t *)g_async_queue_pop(d->msg_aq);
484 LOGD("[%p] POP message (thread stop ? %d [%s])", dm, dm->thread_stop, ms_get_command_string(dm->cmd));
486 if (dm->thread_stop) {
491 if (dm->cmd == API_CREATE) {
492 /* can be updated if connection at the next patch */
493 } else if (dm->cmd == API_DESTROY) {
494 ms_check_cpu_memory();
503 static void _ms_lock_state(void)
505 muse_return_if_fail(muse_server);
506 g_mutex_lock(&muse_server->state_lock);
509 static void _ms_unlock_state(void)
511 muse_return_if_fail(muse_server);
512 g_mutex_unlock(&muse_server->state_lock);
515 static void _ms_diag_init(void)
518 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
519 GError *error = NULL;
521 muse_return_if_fail(muse_server);
523 d = &muse_server->diag;
525 d->idle_state_thread = g_thread_try_new("diag_idle_state",
526 _ms_diag_check_idle_state_thread, muse_server->main_loop, &error);
527 if (!d->idle_state_thread) {
528 snprintf(err_msg, sizeof(err_msg), "diag_idle_state_thread creation failed : %s", error->message);
531 ms_log_process_info(muse_server->pid);
534 d->msg_aq = g_async_queue_new_full(g_free);
536 d->conn_event_thread = g_thread_try_new("diag_connection",
537 _ms_diag_check_connection_event_thread, muse_server->main_loop, &error);
538 if (!d->conn_event_thread) {
539 snprintf(err_msg, sizeof(err_msg), "diag_connection_event_thread creation failed : %s", error->message);
542 ms_log_process_info(muse_server->pid);
546 static void _ms_diag_deinit(void)
553 muse_return_if_fail(muse_server);
555 d = &muse_server->diag;
557 dm = g_new0(ms_diag_msg_t, 1);
559 dm->thread_stop = TRUE;
560 LOGI("[%p] g_async_queue_push", dm);
561 g_async_queue_push_front(d->msg_aq, (gpointer)dm);
563 if (d->idle_state_thread) {
564 g_thread_join(d->idle_state_thread);
565 d->idle_state_thread = NULL;
568 if (d->conn_event_thread) {
569 g_thread_join(d->conn_event_thread);
570 d->conn_event_thread = NULL;
573 g_async_queue_unref(d->msg_aq);
577 static gboolean _ms_idle_cb(gpointer user_data)
580 char time_buf[MUSE_MSG_TIME_LEN];
582 if (!ms_create_ready_file())
583 LOGE("%s file creation is failed", MUSE_SERVER_READY);
587 muse_core_get_cur_time(&tv, NULL);
589 muse_core_change_time_format((int)tv.tv_sec, time_buf);
591 LOGW("muse server is completed to ready (%s)", time_buf);
593 return G_SOURCE_REMOVE;
596 static void _ms_init(void)
602 muse_server->system = g_new0(ms_system_t, 1);
603 ms_system_init(muse_server->system);
605 muse_server->conf = g_new0(ms_config_t, 1);
606 ms_config_init(muse_server->conf);
608 muse_server->log = g_new0(ms_log_t, 1);
609 ms_log_init(muse_server->log);
611 muse_server->security = g_new0(ms_security_t, 1);
612 ms_security_init(muse_server->security);
614 for (idx = 0; idx < muse_server->conf->host_cnt; idx++) {
615 muse_server->module[idx] = g_new0(ms_module_t, 1);
616 muse_server->module[idx]->idx = idx;
617 ms_module_init(muse_server->module[idx]);
620 #ifdef MUSE_USE_WATCHDOG
621 muse_server->watchdog = g_new0(ms_watchdog_t, 1);
622 if (ms_watchdog_init(muse_server->watchdog) != MM_ERROR_NONE)
623 LOGE("Fail to initialize server watchdog");
626 muse_server->connection = g_new0(ms_connection_t, 1);
627 ms_connection_init(muse_server->connection);
631 g_mutex_init(&muse_server->state_lock);
633 muse_core_create_fd_table();
635 muse_server->cpu_threshold = ms_config_get_cpu_threshold();
637 muse_server->main_loop = g_main_loop_new(NULL, FALSE);
638 muse_return_if_fail(muse_server->main_loop);
643 static int _ms_open_lockfile(void)
645 int fd, already_running;
646 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
647 char *lockfile = NULL;
649 muse_return_val_if_fail(muse_server, MUSE_ERR);
651 lockfile = ms_config_get_lockfile();
652 muse_return_val_if_fail(lockfile, MUSE_ERR);
654 muse_core_remove_symlink((const char *)lockfile);
655 fd = open(lockfile, O_RDONLY);
656 if (fd == -1 && errno != ENOENT) {
657 /* Cannot open file even though file exists. */
658 snprintf(err_msg, sizeof(err_msg), "Cannot open lock file %s", lockfile);
659 LOGE("open failed : %s", err_msg);
661 } else if (fd != -1) {
662 already_running = flock(fd, LOCK_EX | LOCK_NB) == -1;
664 if (already_running) {
665 LOGE("File already locked. There's already a server running");
670 /* Lock file does not exist, or is not locked. Create a new lockfile and lock it. */
671 fd = open(lockfile, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
673 LOGE("dataserver: Cannot create lock file");
677 if (flock(fd, LOCK_EX | LOCK_NB) != 0) {
678 LOGE("Can't lock the lock file \"%s\". " "Is another instance running?", lockfile);
685 return MM_ERROR_NONE;
688 void ms_setup_syslog(void)
690 int flags = LOG_CONS|LOG_NDELAY|LOG_PID;
691 if (isatty(STDOUT_FILENO))
694 openlog("mused", flags, LOG_DAEMON);
695 LOGD("openlog - mused");
698 void ms_fork(int *notify_fd)
702 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
703 char msg[MUSE_MSG_LEN_MAX] = {'\0',};
705 if (pipe(fds) == MUSE_ERR) {
706 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
707 LOGE("Failed to create pipe to get child status: %s", err_msg);
711 if ((pid = fork()) < 0) {
712 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
713 LOGE("Error: fork() failed: %s", err_msg);
715 } else if (pid != 0) {
717 /* Read in a string from the pipe */
718 if (read(fds[0], msg, sizeof(msg)) <= 0) {
719 LOGE("Failed to read from a file descriptor [%d]", fds[0]);
725 /* Parent process closes up output side of pipe */
726 if (!strcmp(msg, MSG_DONE)) {
727 LOGI("Successfully daemonized");
730 LOGE("Daemonizing failed after fork");
733 } else if (pid == 0) {
734 /* Child process closes up input side of pipe */
740 pid_t ms_daemonize(int *notify_fd)
745 muse_return_val_if_fail(notify_fd, MUSE_ERR);
749 if ((pid = setsid()) < 0) {
750 LOGE("create new session");
754 /* change the file mode mask */
758 LOGD("result = %d sid: %d pgid: %d pid: %d ppid: %d", result, (int)getsid(0), (int)getpgid(0), (int)pid, (int)getppid());
760 /* redirect fds to /dev/null */
761 fd = open("/dev/null", O_RDWR);
762 if (!muse_core_fd_is_valid(fd)) {
763 LOGE("Critical Error : %d is invalid", fd);
768 close(STDOUT_FILENO);
769 close(STDERR_FILENO);
771 dup2(fd, STDIN_FILENO);
772 dup2(fd, STDOUT_FILENO);
773 dup2(fd, STDERR_FILENO);
780 void ms_daemonize_complete(int notify_fd)
784 muse_return_if_fail(muse_core_fd_is_valid(notify_fd));
786 #ifdef MUSE_REGISTER_VIP
787 proc_stat_set_vip_process();
790 write(notify_fd, MSG_DONE, strlen(MSG_DONE) + 1);
791 LOGW("[%d] Notify parent process that child initialization is done", notify_fd);
797 void ms_gst_init(char **cmd)
802 gboolean ret = FALSE;
805 #ifdef MUSE_TTRACE_LOG
806 trace_begin("MUSE:gst_init");
809 gst_param_cnt = ms_config_get_gst_param_cnt();
812 argv = g_malloc0(sizeof(gchar *) * (gst_param_cnt + 1));
814 argv[argc++] = (gchar *)cmd[0];
815 for (; argc <= gst_param_cnt; argc++) {
816 argv[argc] = ms_config_get_gst_param_str(argc - 1);
817 LOGI("%d %s", argc, argv[argc]);
820 /* initializing gstreamer */
821 ret = gst_init_check(&argc, &argv, &err);
823 LOGE("Could not initialize GStreamer: %s ", err ? err->message : "unknown error occurred");
828 LOGI("gst_init_check is completed");
833 LOGI("complete to initialize gstreamer");
835 #ifdef MUSE_TTRACE_LOG
840 void ms_gst_preload_plugin(void)
843 char *saveptr = NULL;
844 char plugin_path[128];
845 const char *delimeters = " ,";
846 gchar *gst_preload_plugins = g_strdup(ms_config_get_gst_preload_plugins());
847 GstPlugin *plugin = NULL;
849 muse_return_if_fail(gst_preload_plugins);
851 LOGI("preload plugins [%s]", gst_preload_plugins);
853 token = strtok_r(gst_preload_plugins, delimeters, &saveptr);
855 snprintf(plugin_path, sizeof(plugin_path), "%s/gstreamer-1.0/libgst%s.so", LIBDIR, token);
857 LOGI(" plugin path : %s", plugin_path);
859 plugin = gst_plugin_load_file(plugin_path, NULL);
861 gst_object_unref(plugin);
863 LOGW("failed to load plugin [%s]", plugin_path);
865 token = strtok_r(NULL, delimeters, &saveptr);
868 g_free(gst_preload_plugins);
873 int ms_pidfile_create(const char *path, pid_t pid)
877 char pid_buf[MUSE_MSG_LEN] = {'\0',};
878 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
880 muse_return_val_if_fail(path, MM_ERROR_INVALID_ARGUMENT);
881 muse_core_remove_symlink(path);
882 fd = open(path, O_WRONLY | O_CREAT, (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH));
884 if (!muse_core_fd_is_valid(fd)) {
885 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
886 LOGE("Fail to open pidfile [%s] : %s", path, err_msg);
887 return MM_ERROR_FILE_NOT_FOUND;
890 lock.l_type = F_WRLCK;
892 lock.l_whence = SEEK_SET;
895 if (fcntl(fd, F_SETLK, &lock) < 0) {
896 if (errno != EACCES && errno != EAGAIN) {
897 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
898 LOGE("Fail to lock pidfile [%s] : %s", path, err_msg);
900 LOGE("process is already running");
903 return MM_ERROR_FILE_INTERNAL;
906 if (ftruncate(fd, 0) < 0) {
907 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
908 LOGE("Fail to truncate pidfile [%s] : %s", path, err_msg);
910 return MM_ERROR_FILE_INTERNAL;
913 memset(pid_buf, 0, sizeof(pid_buf));
914 snprintf(pid_buf, sizeof(pid_buf), "%u", pid);
916 if (write(fd, pid_buf, strlen(pid_buf)) != (int)strlen(pid_buf)) {
917 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
918 LOGE("Fail to write pid to pidfile [%s] : %s", path, err_msg);
920 return MM_ERROR_FILE_WRITE;
924 return MM_ERROR_NONE;
927 void ms_init(char **argv)
931 muse_module_cmd_dispatchfunc *cmd_dispatcher = NULL;
935 muse_server = g_new0(muse_server_t, 1);
939 muse_server->pid = ms_daemonize(¬ify_fd);
941 if (g_mkdir_with_parents(tzplatform_mkpath(TZ_SYS_RUN, "mused"), S_IRWXU | S_IRWXG | S_IRWXO) != 0)
944 if (ms_pidfile_create(MUSE_DEFAULT_PIDFILE, muse_server->pid) != MM_ERROR_NONE)
947 LOGW("MUSE_DEFAULT_PIDFILE(%s) file was created", MUSE_DEFAULT_PIDFILE);
951 muse_return_if_fail(_ms_open_lockfile() == MM_ERROR_NONE);
955 ms_daemonize_complete(notify_fd);
957 #ifdef MUSE_TTRACE_LOG
961 ms_system_subscribe_external_event(muse_server->system);
963 #ifdef MUSE_USE_WATCHDOG
964 if (!ms_watchdog_attach(muse_server->watchdog)) {
965 LOGE("watchdog thread failed");
966 ms_log_process_info(muse_server->pid);
973 #ifdef MUSE_TTRACE_LOG
974 trace_begin("MUSE:preloading module");
976 for (idx = 0; idx < ms_config_get_host_cnt(); idx++) {
977 if (0 == strncmp(ms_config_get_preloaded_value(idx), "yes", strlen("yes") + 1)) {
978 g_module_symbol(ms_module_open(idx), CMD_DISPATCHER, (gpointer *)&cmd_dispatcher);
979 if (cmd_dispatcher && cmd_dispatcher[MUSE_MODULE_COMMAND_INITIALIZE])
980 cmd_dispatcher[MUSE_MODULE_COMMAND_INITIALIZE](NULL);
983 #ifdef MUSE_TTRACE_LOG
987 #ifdef MUSE_TTRACE_LOG
988 trace_begin("MUSE:preloading GST module");
990 ms_gst_preload_plugin();
991 #ifdef MUSE_TTRACE_LOG
995 #ifdef MUSE_GCOV_TEST
996 muse_core_setenv("GCOV_PREFIX", "/tmp", 1);
1002 muse_server_h ms_get_instance(void)
1007 gboolean ms_check_module_idx(int idx)
1009 int module_cnt = ms_config_get_host_cnt();
1011 if (idx < 0 || idx >= module_cnt) {
1012 LOGE("%d error - the number of modules is %d", idx, module_cnt);
1019 ms_module_t *ms_get_module_instance(int idx)
1021 muse_return_val_if_fail(ms_check_module_idx(idx), NULL);
1023 return muse_server->module[idx];
1028 int retval = MUSE_ERR;
1033 muse_return_val_if_fail(muse_server, retval);
1034 muse_return_val_if_fail(muse_server->conf, retval);
1035 muse_return_val_if_fail(muse_server->connection, retval);
1036 muse_return_val_if_fail(muse_server->log, retval);
1037 muse_return_val_if_fail(muse_server->security, retval);
1038 muse_return_val_if_fail(muse_server->watchdog, retval);
1040 ms_recursive_rmdir(MUSE_DATA_ROOT_PATH);
1042 ms_set_state(MUSE_SERVER_STATE_IDLE);
1046 #ifdef MUSE_USE_WATCHDOG
1047 ms_watchdog_detach(muse_server->watchdog);
1049 if (ms_watchdog_deinit(muse_server->watchdog) == MM_ERROR_NONE)
1050 free(muse_server->watchdog);
1052 LOGE("Fail to deinitialize server watchdog");
1055 ms_remove_ready_file();
1057 retval = muse_server->retval;
1058 muse_core_fd_close(muse_server->msg_fd);
1059 muse_core_fd_close(muse_server->data_fd);
1060 for (idx = 0; idx < MUSE_CHANNEL_MAX; idx++) {
1061 if (remove(UDS_files[idx]) == MUSE_ERR)
1062 LOGE("remove %s failed", UDS_files[idx]);
1065 if (remove(MUSE_DEFAULT_PIDFILE) == -1)
1066 LOGE("remove %s failed [errno : %d]", MUSE_DEFAULT_PIDFILE, errno);
1068 for (idx = 0; idx < muse_server->conf->host_cnt; idx++)
1069 ms_module_deinit(muse_server->module[idx]);
1071 ms_security_deinit(muse_server->security);
1072 muse_server->security = NULL;
1074 ms_system_deinit(muse_server->system);
1075 muse_server->system = NULL;
1077 ms_log_deinit(muse_server->log);
1078 muse_server->log = NULL;
1080 ms_config_deinit(muse_server->conf);
1081 muse_server->conf = NULL;
1083 ms_connection_deinit(muse_server->connection);
1084 muse_server->connection = NULL;
1086 muse_core_destroy_fd_table();
1090 g_mutex_clear(&muse_server->state_lock);
1092 g_free(muse_server);
1099 void ms_check_cpu_memory(void)
1101 int used_pss, memory_threshold, cpu_usage;
1102 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
1103 ms_connection_t *connection = NULL;
1105 muse_return_if_fail(muse_server);
1107 connection = muse_server->connection;
1108 muse_return_if_fail(connection);
1110 ms_connection_lock(connection);
1112 if (g_queue_is_empty(connection->instance_q) && ms_is_server_ready()) {
1113 used_pss = ms_system_get_memory_usage(muse_server->pid);
1114 cpu_usage = muse_core_get_process_cpu_usage(muse_server->pid);
1116 LOGW("[%d] Proportional set size %d (KByte) (CPU %d %%)", muse_server->pid, used_pss, cpu_usage);
1117 memory_threshold = ms_config_get_memory_threshold();
1119 if (used_pss >= memory_threshold || cpu_usage >= muse_server->cpu_threshold) {
1120 ms_log_process_info(muse_server->pid);
1122 snprintf(err_msg, sizeof(err_msg), "[Memory Leak] %d >= %d (KByte) [CPU] %d >= %d %%",
1123 used_pss, memory_threshold, cpu_usage, muse_server->cpu_threshold);
1125 LOGE("%s", err_msg);
1126 ms_connection_unlock(connection);
1127 ms_terminate(SIGTERM);
1130 muse_core_remove_all_fd_table();
1132 LOGI("skip cpu memory check due to instance queue length : %d", g_queue_get_length(connection->instance_q));
1135 ms_connection_unlock(connection);
1140 int fd[MUSE_CHANNEL_MAX];
1143 for (i = 0; i < MUSE_CHANNEL_MAX; i++) {
1144 if (ms_config_is_on_demand() && i == MUSE_CHANNEL_MSG)
1145 fd[i] = SD_LISTEN_FDS_START;
1149 if (!muse_core_fd_is_valid(fd[i])) {
1150 LOGE("Failed to create socket server %d", i);
1151 for (j = 0; j < i; j++)
1157 _ms_create_new_server_from_fd(fd, READ | PERSIST);
1164 muse_return_if_fail(muse_server->main_loop);
1166 muse_return_if_fail(g_idle_add_full(G_PRIORITY_HIGH, _ms_idle_cb, NULL, NULL) > 0);
1168 LOGI("g_main_loop_run");
1169 g_main_loop_run(muse_server->main_loop);
1174 void ms_cmd_dispatch(muse_module_h m, muse_module_command_e cmd)
1176 muse_module_cmd_dispatchfunc *cmd_dispatcher = NULL;
1178 if (m->ch[MUSE_CHANNEL_MSG].dll_handle &&
1179 g_module_symbol(m->ch[MUSE_CHANNEL_MSG].dll_handle, CMD_DISPATCHER, (gpointer *)&cmd_dispatcher)) {
1180 if (cmd_dispatcher && cmd_dispatcher[cmd])
1181 cmd_dispatcher[cmd](m);
1185 void ms_terminate(int signo)
1187 muse_return_if_fail(muse_server);
1189 ms_set_state(MUSE_SERVER_STATE_IDLE);
1191 LOGE("send signal %d to process %d", signo, muse_server->pid);
1195 int ms_get_pid(muse_module_h m)
1197 muse_return_val_if_fail(m, MUSE_ERR);
1201 void ms_log_process_info(int pid)
1203 muse_core_log_process_thread_info(pid);
1205 muse_core_log_process_opened_fds(pid);
1207 muse_core_log_process_cpu_memory(pid);
1210 void ms_log_user_group_info(void)
1214 char buffer[MUSE_MSG_MAX_LENGTH];
1215 struct passwd pwbuf;
1216 struct passwd *pwbufp;
1218 struct group *gbufp;
1223 getpwuid_r(uid, &pwbuf, buffer, sizeof(buffer), &pwbufp);
1224 muse_return_if_fail(pwbufp);
1226 getgrgid_r(gid, &gbuf, buffer, sizeof(buffer), &gbufp);
1227 muse_return_if_fail(gbufp);
1229 LOGE("user [%s : %lu] group [%s : %lu]", pwbufp->pw_name, (unsigned long)uid, gbufp->gr_name, (unsigned long)gid);
1232 gboolean ms_is_log_enabled(void)
1234 return ms_config_is_log_enabled();
1237 gboolean ms_init_bufmgr(void)
1241 muse_return_val_if_fail(muse_server, FALSE);
1243 muse_server->bufmgr = tbm_bufmgr_init(-1);
1244 if (!muse_server->bufmgr) {
1245 LOGE("Error - tbm_bufmgr_init");
1246 ms_log_user_group_info();
1250 LOGD("Leave bufmgr: %p", muse_server->bufmgr);
1255 void ms_deinit_bufmgr(void)
1259 muse_return_if_fail(muse_server);
1260 muse_return_if_fail(muse_server->bufmgr);
1262 tbm_bufmgr_deinit(muse_server->bufmgr);
1267 void ms_cmd_dispatch_foreach_func(gpointer data, gpointer user_data)
1269 muse_module_h m = (muse_module_h)data;
1270 ms_cmd_dispatcher_info_t *dispatch = (ms_cmd_dispatcher_info_t *)user_data;
1271 muse_module_command_e cmd;
1272 muse_external_storage_info_t *storage;
1274 muse_return_if_fail(muse_server);
1275 muse_return_if_fail(m);
1276 muse_return_if_fail(dispatch);
1278 cmd = dispatch->cmd;
1280 if (cmd == MUSE_MODULE_COMMAND_EXTERNAL_STORAGE_STATE_CHANGED) {
1281 storage = &dispatch->storage;
1282 LOGD("external storage id %d state %d path %s", storage->id, storage->state, storage->path);
1283 muse_server_set_user_data(m, (void *)storage);
1286 ms_cmd_dispatch(m, cmd);
1287 SECURE_LOGI("[%s] module %p (%s)", module_cmd[cmd], m, muse_server->conf->host[m->idx]);
1289 if (cmd == MUSE_MODULE_COMMAND_EXTERNAL_STORAGE_STATE_CHANGED)
1290 muse_server_set_user_data(m, NULL);
1293 void ms_set_state(ms_state_e state)
1295 muse_return_if_fail(muse_server);
1297 g_mutex_lock(&muse_server->state_lock);
1298 muse_server->state = state;
1299 g_mutex_unlock(&muse_server->state_lock);
1302 gboolean ms_is_server_ready(void)
1304 muse_return_val_if_fail(muse_server, FALSE);
1306 return muse_server->state == MUSE_SERVER_STATE_READY;
1309 gboolean ms_create_ready_file(void)
1312 #ifndef MUSE_USE_LWIPC
1316 #ifdef MUSE_USE_LWIPC
1319 ms_set_state(MUSE_SERVER_STATE_READY);
1321 if (LwipcEventDone(MUSE_SERVER_READY) < 0) {
1322 LOGE("Fail to send server ready done event");
1326 ready_fd = creat(MUSE_SERVER_READY, 0644);
1327 if (muse_core_fd_is_valid(ready_fd)) {
1328 LOGD("MUSE_SERVER_READY(%s) file was created", MUSE_SERVER_READY);
1331 ms_set_state(MUSE_SERVER_STATE_READY);
1333 LOGE("[%d] Fail to create MUSE_SERVER_READY(%s)", ready_fd, MUSE_SERVER_READY);
1343 void ms_remove_ready_file(void)
1345 #ifdef MUSE_USE_LWIPC
1346 (void)LwipcResetEvent(MUSE_SERVER_READY);
1348 (void)unlink(MUSE_SERVER_READY);
1349 (void)unlink(MUSE_DEFAULT_PIDFILE);
1353 const char *ms_get_command_string(int cmd)
1355 if (cmd == API_CREATE)
1357 else if (cmd == API_DESTROY)
1358 return "disconnect";
1360 LOGE("Invalid value of cmd (%d)", cmd);
1362 return "Invalid value of cmd";