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>
28 #if !GLIB_CHECK_VERSION(2, 58, 0)
29 #define G_SOURCE_FUNC(f) ((GSourceFunc) (void (*)(void)) (f))
32 #ifdef MUSE_REGISTER_VIP
33 #include <proc_stat.h>
38 #define MUSE_LWIPC_WAIT_TIME 1000
42 static const char *channel_name[MUSE_CHANNEL_MAX] = {
47 static const char *UDS_files[MUSE_CHANNEL_MAX] = {MUSE_SOCK_FILE0, MUSE_SOCK_FILE1};
49 static muse_server_h muse_server;
51 static const char *module_cmd[MUSE_MODULE_COMMAND_MAX] = {
56 "resource_not_available",
57 "external_storage_state_changed",
59 "resource_manager_shutdown"
62 static bool _ms_attach(int fd, muse_module_callback connection_handler, gpointer module_idx);
63 static void _ms_create_new_server_from_fd(int fd[], int type);
64 static int _ms_new(muse_channel_e channel);
65 static int _ms_get_pid(int fd);
66 static void _ms_get_module_addr(int fd, intptr_t *module_addr);
67 static void _ms_check_idle_state(void);
68 static gpointer _ms_diag_check_idle_state_thread(gpointer data);
69 static gpointer _ms_diag_check_connection_event_thread(gpointer data);
70 static void _ms_lock_state(void);
71 static void _ms_unlock_state(void);
72 static gboolean _ms_connection_handler(GIOChannel *source, GIOCondition condition, gpointer data);
74 static void _ms_wait_event(void);
75 static void _ms_diag_init(void);
76 static void _ms_diag_deinit(void);
77 static gboolean _ms_idle_cb(gpointer user_data);
78 static int _ms_open_lockfile(void);
80 static void _ms_wait_event(void)
82 const char *lw_event_list[] = { "/run/.wm_ready", "/tmp/avoc_ready" };
83 unsigned int count = sizeof(lw_event_list) / sizeof(char *);
85 if (LwipcWaitMultiEvents(lw_event_list, count, true, MUSE_LWIPC_WAIT_TIME, NULL, 0) != 0)
86 LOGE("Fail to receive Multiple Events");
90 static bool _ms_attach(int fd, muse_module_callback connection_handler, gpointer module_idx)
92 GIOChannel *channel = NULL;
97 muse_return_val_if_fail(muse_server, false);
98 muse_return_val_if_fail(muse_core_fd_is_valid(fd), false);
100 channel = g_io_channel_unix_new(fd);
101 muse_return_val_if_fail(channel, false);
103 src = g_io_create_watch(channel, G_IO_IN);
105 LOGE("g_io_create_watch() is failed");
106 g_io_channel_unref(channel);
110 g_source_set_callback(src, G_SOURCE_FUNC(connection_handler), module_idx, NULL);
112 if (g_source_attach(src, g_main_loop_get_context(muse_server->main_loop)) == 0) {
113 LOGE("g_source_attach() is failed");
114 g_io_channel_unref(channel);
120 g_io_channel_unref(channel);
127 static void _ms_create_new_server_from_fd(int fd[], int type)
130 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
134 muse_return_if_fail(muse_server);
136 muse_server->msg_fd = fd[MUSE_CHANNEL_MSG];
137 muse_server->data_fd = fd[MUSE_CHANNEL_DATA];
138 muse_server->type = type;
140 for (i = 0; i < MUSE_CHANNEL_MAX; i++) {
141 if (!_ms_attach(fd[i], _ms_connection_handler, GINT_TO_POINTER(i))) {
142 snprintf(err_msg, sizeof(err_msg), "Fail to attach server fd %d", fd[i]);
145 ms_terminate(SIGABRT);
152 static int _ms_new(muse_channel_e channel)
155 struct sockaddr_un addr_un;
156 socklen_t address_len;
157 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
159 muse_return_val_if_fail(channel < MUSE_CHANNEL_MAX, MM_ERROR_INVALID_ARGUMENT);
161 unlink(UDS_files[channel]);
164 fd = socket(AF_UNIX, SOCK_STREAM, 0); /* Unix Domain Socket */
165 if (!muse_core_fd_is_valid(fd)) {
166 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
167 LOGE("socket failed sock (%d) : %s", errno, err_msg);
171 LOGD("muse server fd : %d", fd);
173 memset(&addr_un, 0, sizeof(addr_un));
174 addr_un.sun_family = AF_UNIX;
175 strncpy(addr_un.sun_path, UDS_files[channel], sizeof(addr_un.sun_path) - 1);
176 address_len = sizeof(addr_un);
178 /* Bind to filename */
179 if (bind(fd, (struct sockaddr *)&addr_un, address_len) < 0) {
181 strerror_r(errsv, err_msg, MUSE_MSG_LEN_MAX);
182 LOGE("[%d] socket bind failed (%d) %s", fd, errsv, err_msg);
183 muse_core_log_file_list(UDS_files[channel]);
184 ms_log_user_group_info();
185 if (errsv == EADDRINUSE)
186 unlink(addr_un.sun_path);
191 /* Setup listen queue */
192 if (listen(fd, 5) == MUSE_ERR) {
193 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
194 LOGE("[%d] listen() failed (%d) %s", fd, errno, err_msg);
195 muse_core_log_file_list(UDS_files[channel]);
196 ms_log_user_group_info();
201 if (muse_core_set_nonblocking(fd, false) < 0) /* blocking */
202 LOGE("failed to set server socket to blocking");
207 static int _ms_get_pid(int fd)
209 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
210 struct ucred credentials;
213 length = sizeof(struct ucred);
214 if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &credentials, &length) < 0) {
215 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
216 LOGE("failed to get the value of credential type %s", err_msg);
220 muse_core_update_fd_state(fd);
222 return credentials.pid;
225 static void _ms_get_module_addr(int fd, intptr_t *module_addr)
230 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
231 char recv_buf[MUSE_MSG_LEN_MAX] = {'\0',};
234 if (muse_core_msg_recv_fd(fd, recv_buf, MUSE_MSG_LEN_MAX, NULL) <= 0) {
235 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
236 LOGE("failed to receive message for module %s", err_msg);
240 jobj = muse_core_msg_object_new(recv_buf, NULL, NULL);
242 ret = muse_core_msg_object_get_value(MSG_KEY_MODULE_ADDR, jobj, MUSE_TYPE_POINTER, module_addr);
243 muse_core_msg_object_free(jobj);
245 LOGE("[%d] Error - module_addr %s", try_count, recv_buf);
249 } while (++try_count < MS_RECV_TRY_COUNT_MAX);
252 static gboolean _ms_connection_handler(GIOChannel *source, GIOCondition condition, gpointer data)
254 int server_sockfd, client_sockfd, pid, idx, len;
255 socklen_t client_len;
256 struct sockaddr_un client_address;
257 muse_channel_e channel = GPOINTER_TO_INT(data);
258 muse_module_h m = NULL;
259 muse_module_h peeked_m = NULL;
260 muse_module_h candidate_m = NULL;
261 intptr_t module_addr = 0;
262 GQueue *instance_queue = NULL;
263 ms_connection_t *connection = NULL;
265 muse_return_val_if_fail(channel == MUSE_CHANNEL_MSG || channel == MUSE_CHANNEL_DATA, FALSE);
267 LOGI("Enter [%s channel]", channel_name[channel]);
269 muse_return_val_if_fail(muse_server, FALSE);
271 connection = muse_server->connection;
272 muse_return_val_if_fail(connection, FALSE);
276 if (!ms_is_server_ready()) {
277 LOGW("Now mused state is not ready...");
279 ms_terminate(SIGABRT);
282 server_sockfd = g_io_channel_unix_get_fd(source);
283 if (!muse_core_fd_is_valid(server_sockfd)) {
284 LOGE("Critical Error : server %d is invalid", server_sockfd);
286 muse_core_dump_fd_state(server_sockfd);
287 ms_terminate(SIGABRT);
290 client_len = sizeof(client_address);
292 LOGI("[%d] Try to accept...", server_sockfd);
293 client_sockfd = accept(server_sockfd, (struct sockaddr *)&client_address, &client_len);
294 if (!muse_core_fd_is_valid(client_sockfd)) {
295 LOGE("Critical Error : accept %d is invalid", client_sockfd);
296 muse_core_dump_fd_state(client_sockfd);
297 close(server_sockfd);
299 ms_terminate(SIGABRT);
302 LOGI("server : %d client [%s channel] : %d", server_sockfd, channel_name[channel], client_sockfd);
304 pid = _ms_get_pid(client_sockfd);
306 if (channel == MUSE_CHANNEL_MSG) {
307 m = g_new0(muse_module_t, 1);
308 SECURE_LOGI("module [%p]", m);
309 m->ch[MUSE_CHANNEL_MSG].sock_fd = client_sockfd;
311 g_mutex_init(&m->dispatch_lock);
313 ms_ipc_create_msg_dispatch_worker(m);
316 _ms_get_module_addr(client_sockfd, &module_addr);
318 ms_connection_lock(connection);
320 instance_queue = connection->instance_q;
321 len = g_queue_get_length(instance_queue);
323 m = (muse_module_h)module_addr;
325 for (idx = 0; idx < len; idx++) {
326 peeked_m = (muse_module_h)g_queue_peek_nth(instance_queue, idx);
328 LOGW("[%d] Make sure if the queue length is changed (%d = %d), which means that it was destroyed somewhere",
329 idx, len, g_queue_get_length(instance_queue));
333 if (peeked_m->pid != pid)
338 LOGE("muse-server can't support the error case which there are several modules now");
339 ms_connection_unlock(connection);
343 if (!muse_core_fd_is_valid(peeked_m->ch[MUSE_CHANNEL_DATA].sock_fd))
344 candidate_m = peeked_m;
346 SECURE_LOGW("already paired module %p", peeked_m);
354 if (muse_core_fd_is_valid(m->ch[MUSE_CHANNEL_DATA].sock_fd)) {
355 SECURE_LOGE("[%d] %s pid %d %p you had better check if instance destroy completed properly",
356 client_sockfd, ms_config_get_host_name(m->idx), pid, m);
357 ms_connection_unlock(connection);
361 m->ch[MUSE_CHANNEL_DATA].sock_fd = client_sockfd;
362 SECURE_LOGI("%s (pid %d) module : %p module addr from client : %p",
363 ms_config_get_host_name(m->idx), pid, m, (void *)module_addr);
369 m->ch[MUSE_CHANNEL_DATA].sock_fd = client_sockfd;
370 SECURE_LOGW("[%d] %s pid %d %p restore module address at the only one null data channel",
371 client_sockfd, ms_config_get_host_name(m->idx), pid, m);
374 ms_connection_unlock(connection);
376 ms_ipc_create_data_dispatch_worker(m);
379 muse_core_get_cur_time(&muse_server->tv, NULL);
381 LOGW("connected time %lu", muse_server->tv.tv_sec);
389 close(server_sockfd);
390 close(client_sockfd);
393 if (channel == MUSE_CHANNEL_MSG)
396 muse_core_connection_close(m->ch[MUSE_CHANNEL_MSG].sock_fd);
406 static void _ms_check_idle_state(void)
408 ms_connection_t *connection = NULL;
409 ms_config_t *conf = NULL;
410 int instance_number, period;
411 uint32_t elapsed_time;
413 static int period_idx = 1;
415 muse_return_if_fail(muse_server);
416 muse_return_if_fail(muse_server->state == MUSE_SERVER_STATE_READY);
418 connection = muse_server->connection;
419 muse_return_if_fail(connection);
421 conf = muse_server->conf;
422 muse_return_if_fail(conf);
424 period = ms_config_get_log_period();
426 if (muse_server->tv.tv_sec == 0)
429 muse_core_get_cur_time(&tv, NULL);
431 elapsed_time = tv.tv_sec - muse_server->tv.tv_sec;
433 ms_connection_lock(connection);
435 instance_number = g_queue_get_length(connection->instance_q);
437 if (elapsed_time >= (uint32_t)(period * period_idx)) {
438 LOGW("[#%d] %u sec [period %d] [last connected time %lu] total number of modules = %d ( %s)", period_idx,
439 elapsed_time, period, muse_server->tv.tv_sec, instance_number, muse_server->instance_pid_info);
443 ms_connection_unlock(connection);
445 if (conf->is_on_demand) {
446 if (instance_number == 0 && elapsed_time >= (uint32_t)ms_config_get_max_idle_time()) {
447 LOGE("Timeout exit !!! [Idle time] %u sec", elapsed_time);
448 ms_remove_ready_file();
454 static gpointer _ms_diag_check_idle_state_thread(gpointer data)
456 int idle_state_wait_time = ms_config_get_idle_state_wait_time();
458 muse_return_val_if_fail(muse_server, NULL);
459 muse_return_val_if_fail(idle_state_wait_time > 0, NULL);
461 while (ms_is_server_ready()) {
462 _ms_check_idle_state();
463 sleep(idle_state_wait_time);
469 static gpointer _ms_diag_check_connection_event_thread(gpointer data)
472 ms_diag_msg_t *dm = NULL;
473 muse_return_val_if_fail(muse_server, NULL);
475 d = &muse_server->diag;
477 while (ms_is_server_ready()) {
478 dm = (ms_diag_msg_t *)g_async_queue_pop(d->msg_aq);
482 LOGD("[%p] POP message (thread stop ? %d [%s])", dm, dm->thread_stop, ms_get_command_string(dm->cmd));
484 if (dm->thread_stop) {
489 if (dm->cmd == API_CREATE) {
490 /* can be updated if connection at the next patch */
491 } else if (dm->cmd == API_DESTROY) {
492 ms_check_cpu_memory();
501 static void _ms_lock_state(void)
503 muse_return_if_fail(muse_server);
504 g_mutex_lock(&muse_server->state_lock);
507 static void _ms_unlock_state(void)
509 muse_return_if_fail(muse_server);
510 g_mutex_unlock(&muse_server->state_lock);
513 static void _ms_diag_init(void)
516 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
517 GError *error = NULL;
519 muse_return_if_fail(muse_server);
521 d = &muse_server->diag;
523 d->idle_state_thread = g_thread_try_new("diag_idle_state",
524 _ms_diag_check_idle_state_thread, muse_server->main_loop, &error);
525 if (!d->idle_state_thread) {
526 snprintf(err_msg, sizeof(err_msg), "diag_idle_state_thread creation failed : %s", error->message);
529 ms_log_process_info(muse_server->pid);
532 d->msg_aq = g_async_queue_new_full(g_free);
533 muse_return_if_fail(d->msg_aq);
535 d->conn_event_thread = g_thread_try_new("diag_connection",
536 _ms_diag_check_connection_event_thread, muse_server->main_loop, &error);
537 if (!d->conn_event_thread) {
538 snprintf(err_msg, sizeof(err_msg), "diag_connection_event_thread creation failed : %s", error->message);
541 ms_log_process_info(muse_server->pid);
545 static void _ms_diag_deinit(void)
552 muse_return_if_fail(muse_server);
554 d = &muse_server->diag;
556 dm = g_new0(ms_diag_msg_t, 1);
558 dm->thread_stop = TRUE;
559 LOGI("[%p] g_async_queue_push", dm);
560 g_async_queue_push_front(d->msg_aq, (gpointer)dm);
562 if (d->idle_state_thread) {
563 g_thread_join(d->idle_state_thread);
564 d->idle_state_thread = NULL;
567 if (d->conn_event_thread) {
568 g_thread_join(d->conn_event_thread);
569 d->conn_event_thread = NULL;
572 g_async_queue_unref(d->msg_aq);
576 static gboolean _ms_idle_cb(gpointer user_data)
580 if (!ms_create_ready_file())
581 LOGE("%s file creation is failed", MUSE_SERVER_READY);
585 muse_core_get_cur_time(&tv, NULL);
587 LOGW("muse server is completed to ready %lu", tv.tv_sec);
589 return G_SOURCE_REMOVE;
592 static void _ms_init(void)
598 muse_server->system = g_new0(ms_system_t, 1);
599 ms_system_init(muse_server->system);
601 muse_server->conf = g_new0(ms_config_t, 1);
602 ms_config_init(muse_server->conf);
604 muse_server->log = g_new0(ms_log_t, 1);
605 ms_log_init(muse_server->log);
607 muse_server->security = g_new0(ms_security_t, 1);
608 ms_security_init(muse_server->security);
610 for (idx = 0; idx < muse_server->conf->host_cnt; idx++) {
611 muse_server->module[idx] = g_new0(ms_module_t, 1);
612 muse_server->module[idx]->idx = idx;
613 ms_module_init(muse_server->module[idx]);
616 #ifdef MUSE_USE_WATCHDOG
617 muse_server->watchdog = g_new0(ms_watchdog_t, 1);
618 if (ms_watchdog_init(muse_server->watchdog) != MM_ERROR_NONE)
619 LOGE("Fail to initialize server watchdog");
622 muse_server->connection = g_new0(ms_connection_t, 1);
623 ms_connection_init(muse_server->connection);
627 g_mutex_init(&muse_server->state_lock);
629 muse_core_create_fd_table();
631 muse_server->cpu_threshold = ms_config_get_cpu_threshold();
633 muse_server->main_loop = g_main_loop_new(NULL, FALSE);
634 muse_return_if_fail(muse_server->main_loop);
639 static int _ms_open_lockfile(void)
641 int fd, already_running;
642 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
643 char *lockfile = NULL;
645 muse_return_val_if_fail(muse_server, MUSE_ERR);
647 lockfile = ms_config_get_lockfile();
648 muse_return_val_if_fail(lockfile, MUSE_ERR);
650 muse_core_remove_symlink((const char *)lockfile);
651 fd = open(lockfile, O_RDONLY);
652 if (fd == -1 && errno != ENOENT) {
653 /* Cannot open file even though file exists. */
654 snprintf(err_msg, sizeof(err_msg), "Cannot open lock file %s", lockfile);
655 LOGE("open failed : %s", err_msg);
657 } else if (fd != -1) {
658 already_running = flock(fd, LOCK_EX | LOCK_NB) == -1;
660 if (already_running) {
661 LOGE("File already locked. There's already a server running");
666 /* Lock file does not exist, or is not locked. Create a new lockfile and lock it. */
667 fd = open(lockfile, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
669 LOGE("dataserver: Cannot create lock file");
673 if (flock(fd, LOCK_EX | LOCK_NB) != 0) {
674 LOGE("Can't lock the lock file \"%s\". " "Is another instance running?", lockfile);
681 return MM_ERROR_NONE;
684 void ms_setup_syslog(void)
686 int flags = LOG_CONS|LOG_NDELAY|LOG_PID;
687 if (isatty(STDOUT_FILENO))
690 openlog("mused", flags, LOG_DAEMON);
691 LOGD("openlog - mused");
694 void ms_fork(int *notify_fd)
698 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
699 char msg[MUSE_MSG_LEN_MAX] = {'\0',};
701 if (pipe(fds) == MUSE_ERR) {
702 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
703 LOGE("Failed to create pipe to get child status: %s", err_msg);
707 if ((pid = fork()) < 0) {
708 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
709 LOGE("Error: fork() failed: %s", err_msg);
711 } else if (pid != 0) {
713 /* Read in a string from the pipe */
714 if (read(fds[0], msg, sizeof(msg)) <= 0) {
715 LOGE("Failed to read from a file descriptor [%d]", fds[0]);
721 /* Parent process closes up output side of pipe */
722 if (!strcmp(msg, MSG_DONE)) {
723 LOGI("Successfully daemonized");
726 LOGE("Daemonizing failed after fork");
729 } else if (pid == 0) {
730 /* Child process closes up input side of pipe */
736 pid_t ms_daemonize(int *notify_fd)
741 muse_return_val_if_fail(notify_fd, MUSE_ERR);
745 if ((pid = setsid()) < 0) {
746 LOGE("create new session");
750 /* change the file mode mask */
754 LOGD("result = %d sid: %d pgid: %d pid: %d ppid: %d", result, (int)getsid(0), (int)getpgid(0), (int)pid, (int)getppid());
756 /* redirect fds to /dev/null */
757 fd = open("/dev/null", O_RDWR);
758 if (!muse_core_fd_is_valid(fd)) {
759 LOGE("Critical Error : %d is invalid", fd);
764 close(STDOUT_FILENO);
765 close(STDERR_FILENO);
767 dup2(fd, STDIN_FILENO);
768 dup2(fd, STDOUT_FILENO);
769 dup2(fd, STDERR_FILENO);
776 void ms_daemonize_complete(int notify_fd)
780 muse_return_if_fail(muse_core_fd_is_valid(notify_fd));
782 #ifdef MUSE_REGISTER_VIP
783 proc_stat_set_vip_process();
786 write(notify_fd, MSG_DONE, strlen(MSG_DONE) + 1);
787 LOGW("[%d] Notify parent process that child initialization is done", notify_fd);
793 void ms_gst_init(char **cmd)
798 gboolean ret = FALSE;
801 #ifdef MUSE_TTRACE_LOG
802 trace_begin("MUSE:gst_init");
805 gst_param_cnt = ms_config_get_gst_param_cnt();
808 argv = g_malloc0(sizeof(gchar *) * (gst_param_cnt + 1));
810 argv[argc++] = (gchar *)cmd[0];
811 for (; argc <= gst_param_cnt; argc++) {
812 argv[argc] = ms_config_get_gst_param_str(argc - 1);
813 LOGI("%d %s", argc, argv[argc]);
816 /* initializing gstreamer */
817 ret = gst_init_check(&argc, &argv, &err);
819 LOGE("Could not initialize GStreamer: %s ", err ? err->message : "unknown error occurred");
824 LOGI("gst_init_check is completed");
829 LOGI("complete to initialize gstreamer");
831 #ifdef MUSE_TTRACE_LOG
836 void ms_gst_preload_plugin(void)
839 char *saveptr = NULL;
840 char plugin_path[128];
841 const char *delimeters = " ,";
842 gchar *gst_preload_plugins = g_strdup(ms_config_get_gst_preload_plugins());
843 GstPlugin *plugin = NULL;
845 muse_return_if_fail(gst_preload_plugins);
847 LOGI("preload plugins [%s]", gst_preload_plugins);
849 token = strtok_r(gst_preload_plugins, delimeters, &saveptr);
851 snprintf(plugin_path, sizeof(plugin_path), "%s/gstreamer-1.0/libgst%s.so", LIBDIR, token);
853 LOGI(" plugin path : %s", plugin_path);
855 plugin = gst_plugin_load_file(plugin_path, NULL);
857 gst_object_unref(plugin);
859 LOGW("failed to load plugin [%s]", plugin_path);
861 token = strtok_r(NULL, delimeters, &saveptr);
864 g_free(gst_preload_plugins);
869 int ms_pidfile_create(const char *path, pid_t pid)
873 char pid_buf[MUSE_MSG_LEN] = {'\0',};
874 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
876 muse_return_val_if_fail(path, MM_ERROR_INVALID_ARGUMENT);
877 muse_core_remove_symlink(path);
878 fd = open(path, O_WRONLY | O_CREAT, (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH));
880 if (!muse_core_fd_is_valid(fd)) {
881 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
882 LOGE("Fail to open pidfile [%s] : %s", path, err_msg);
883 return MM_ERROR_FILE_NOT_FOUND;
886 lock.l_type = F_WRLCK;
888 lock.l_whence = SEEK_SET;
891 if (fcntl(fd, F_SETLK, &lock) < 0) {
892 if (errno != EACCES && errno != EAGAIN) {
893 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
894 LOGE("Fail to lock pidfile [%s] : %s", path, err_msg);
896 LOGE("process is already running");
899 return MM_ERROR_FILE_INTERNAL;
902 if (ftruncate(fd, 0) < 0) {
903 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
904 LOGE("Fail to truncate pidfile [%s] : %s", path, err_msg);
906 return MM_ERROR_FILE_INTERNAL;
909 memset(pid_buf, 0, sizeof(pid_buf));
910 snprintf(pid_buf, sizeof(pid_buf), "%u", pid);
912 if (write(fd, pid_buf, strlen(pid_buf)) != (int)strlen(pid_buf)) {
913 strerror_r(errno, err_msg, MUSE_MSG_LEN_MAX);
914 LOGE("Fail to write pid to pidfile [%s] : %s", path, err_msg);
916 return MM_ERROR_FILE_WRITE;
920 return MM_ERROR_NONE;
923 void ms_init(char **argv)
927 muse_module_cmd_dispatchfunc *cmd_dispatcher = NULL;
931 muse_server = g_new0(muse_server_t, 1);
935 muse_server->pid = ms_daemonize(¬ify_fd);
937 if (ms_pidfile_create(MUSE_DEFAULT_PIDFILE, muse_server->pid) != MM_ERROR_NONE)
940 LOGD("MUSE_DEFAULT_PIDFILE(%s) file was created", MUSE_DEFAULT_PIDFILE);
944 muse_return_if_fail(_ms_open_lockfile() == MM_ERROR_NONE);
948 ms_daemonize_complete(notify_fd);
950 #ifdef MUSE_TTRACE_LOG
954 ms_system_subscribe_external_event(muse_server->system);
956 #ifdef MUSE_USE_WATCHDOG
957 if (!ms_watchdog_attach(muse_server->watchdog)) {
958 LOGE("watchdog thread failed");
959 ms_log_process_info(muse_server->pid);
966 #ifdef MUSE_TTRACE_LOG
967 trace_begin("MUSE:preloading module");
969 for (idx = 0; idx < ms_config_get_host_cnt(); idx++) {
970 if (0 == strncmp(ms_config_get_preloaded_value(idx), "yes", strlen("yes") + 1)) {
971 g_module_symbol(ms_module_open(idx), CMD_DISPATCHER, (gpointer *)&cmd_dispatcher);
972 if (cmd_dispatcher && cmd_dispatcher[MUSE_MODULE_COMMAND_INITIALIZE])
973 cmd_dispatcher[MUSE_MODULE_COMMAND_INITIALIZE](NULL);
976 #ifdef MUSE_TTRACE_LOG
980 #ifdef MUSE_TTRACE_LOG
981 trace_begin("MUSE:preloading GST module");
983 ms_gst_preload_plugin();
984 #ifdef MUSE_TTRACE_LOG
988 #ifdef MUSE_GCOV_TEST
989 muse_core_setenv("GCOV_PREFIX", "/tmp", 1);
995 muse_server_h ms_get_instance(void)
1000 gboolean ms_check_module_idx(int idx)
1002 int module_cnt = ms_config_get_host_cnt();
1004 if (idx < 0 || idx >= module_cnt) {
1005 LOGE("%d error - the number of modules is %d", idx, module_cnt);
1012 ms_module_t *ms_get_module_instance(int idx)
1014 muse_return_val_if_fail(ms_check_module_idx(idx), NULL);
1016 return muse_server->module[idx];
1021 int retval = MUSE_ERR;
1026 muse_return_val_if_fail(muse_server, retval);
1027 muse_return_val_if_fail(muse_server->conf, retval);
1028 muse_return_val_if_fail(muse_server->connection, retval);
1029 muse_return_val_if_fail(muse_server->log, retval);
1030 muse_return_val_if_fail(muse_server->security, retval);
1031 muse_return_val_if_fail(muse_server->watchdog, retval);
1033 ms_recursive_rmdir(MUSE_DATA_ROOT_PATH);
1035 ms_set_state(MUSE_SERVER_STATE_IDLE);
1039 #ifdef MUSE_USE_WATCHDOG
1040 ms_watchdog_detach(muse_server->watchdog);
1042 if (ms_watchdog_deinit(muse_server->watchdog) == MM_ERROR_NONE)
1043 free(muse_server->watchdog);
1045 LOGE("Fail to deinitialize server watchdog");
1048 ms_remove_ready_file();
1050 retval = muse_server->retval;
1051 muse_core_fd_close(muse_server->msg_fd);
1052 muse_core_fd_close(muse_server->data_fd);
1053 for (idx = 0; idx < MUSE_CHANNEL_MAX; idx++) {
1054 if (remove(UDS_files[idx]) == MUSE_ERR)
1055 LOGE("remove %s failed", UDS_files[idx]);
1058 if (remove(MUSE_DEFAULT_PIDFILE) == -1)
1059 LOGE("remove %s failed [errno : %d]", MUSE_DEFAULT_PIDFILE, errno);
1061 for (idx = 0; idx < muse_server->conf->host_cnt; idx++)
1062 ms_module_deinit(muse_server->module[idx]);
1064 ms_security_deinit(muse_server->security);
1065 muse_server->security = NULL;
1067 ms_system_deinit(muse_server->system);
1068 muse_server->system = NULL;
1070 ms_log_deinit(muse_server->log);
1071 muse_server->log = NULL;
1073 ms_config_deinit(muse_server->conf);
1074 muse_server->conf = NULL;
1076 ms_connection_deinit(muse_server->connection);
1077 muse_server->connection = NULL;
1079 muse_core_destroy_fd_table();
1083 g_mutex_clear(&muse_server->state_lock);
1085 g_free(muse_server);
1092 void ms_check_cpu_memory(void)
1094 int used_pss, memory_threshold, cpu_usage;
1095 char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
1096 ms_connection_t *connection = NULL;
1098 muse_return_if_fail(muse_server);
1100 connection = muse_server->connection;
1101 muse_return_if_fail(connection);
1103 ms_connection_lock(connection);
1105 if (g_queue_is_empty(connection->instance_q) && ms_is_server_ready()) {
1106 used_pss = ms_system_get_memory_usage(muse_server->pid);
1107 cpu_usage = muse_core_get_process_cpu_usage(muse_server->pid);
1109 LOGW("[%d] Proportional set size %d (KByte) (CPU %d %%)", muse_server->pid, used_pss, cpu_usage);
1110 memory_threshold = ms_config_get_memory_threshold();
1112 if (used_pss >= memory_threshold || cpu_usage >= muse_server->cpu_threshold) {
1113 ms_set_state(MUSE_SERVER_STATE_IDLE);
1114 ms_log_process_info(muse_server->pid);
1116 snprintf(err_msg, sizeof(err_msg), "[Memory Leak] %d >= %d (KByte) [CPU] %d >= %d %%",
1117 used_pss, memory_threshold, cpu_usage, muse_server->cpu_threshold);
1119 LOGE("%s", err_msg);
1120 ms_connection_unlock(connection);
1121 ms_terminate(SIGTERM);
1124 muse_core_remove_all_fd_table();
1126 LOGI("skip cpu memory check due to instance queue length : %d", g_queue_get_length(connection->instance_q));
1129 ms_connection_unlock(connection);
1134 int fd[MUSE_CHANNEL_MAX];
1137 for (i = 0; i < MUSE_CHANNEL_MAX; i++) {
1138 if (ms_config_is_on_demand() && i == MUSE_CHANNEL_MSG)
1139 fd[i] = SD_LISTEN_FDS_START;
1143 if (!muse_core_fd_is_valid(fd[i])) {
1144 LOGE("Failed to create socket server %d", i);
1145 for (j = 0; j < i; j++)
1151 _ms_create_new_server_from_fd(fd, READ | PERSIST);
1158 muse_return_if_fail(muse_server->main_loop);
1160 muse_return_if_fail(g_idle_add_full(G_PRIORITY_HIGH, _ms_idle_cb, NULL, NULL) > 0);
1162 LOGI("g_main_loop_run");
1163 g_main_loop_run(muse_server->main_loop);
1168 void ms_cmd_dispatch(muse_module_h m, muse_module_command_e cmd)
1170 muse_module_cmd_dispatchfunc *cmd_dispatcher = NULL;
1172 if (m->ch[MUSE_CHANNEL_MSG].dll_handle &&
1173 g_module_symbol(m->ch[MUSE_CHANNEL_MSG].dll_handle, CMD_DISPATCHER, (gpointer *)&cmd_dispatcher)) {
1174 if (cmd_dispatcher && cmd_dispatcher[cmd])
1175 cmd_dispatcher[cmd](m);
1179 void ms_terminate(int signo)
1181 muse_return_if_fail(muse_server);
1183 ms_set_state(MUSE_SERVER_STATE_IDLE);
1185 LOGE("send signal %d to process %d", signo, muse_server->pid);
1189 int ms_get_pid(muse_module_h m)
1191 muse_return_val_if_fail(m, MUSE_ERR);
1195 void ms_log_process_info(int pid)
1197 muse_core_log_process_thread_info(pid);
1199 muse_core_log_process_opened_fds(pid);
1201 muse_core_log_process_cpu_memory(pid);
1204 void ms_log_user_group_info(void)
1208 char buffer[MUSE_MSG_MAX_LENGTH];
1209 struct passwd pwbuf;
1210 struct passwd *pwbufp;
1212 struct group *gbufp;
1217 getpwuid_r(uid, &pwbuf, buffer, sizeof(buffer), &pwbufp);
1218 muse_return_if_fail(pwbufp);
1220 getgrgid_r(gid, &gbuf, buffer, sizeof(buffer), &gbufp);
1221 muse_return_if_fail(gbufp);
1223 LOGE("user [%s : %lu] group [%s : %lu]", pwbufp->pw_name, (unsigned long)uid, gbufp->gr_name, (unsigned long)gid);
1226 gboolean ms_is_log_enabled(void)
1228 return ms_config_is_log_enabled();
1231 gboolean ms_init_bufmgr(void)
1235 muse_return_val_if_fail(muse_server, FALSE);
1237 muse_server->bufmgr = tbm_bufmgr_init(-1);
1238 if (!muse_server->bufmgr) {
1239 LOGE("Error - tbm_bufmgr_init");
1240 ms_log_user_group_info();
1244 LOGD("Leave bufmgr: %p", muse_server->bufmgr);
1249 void ms_deinit_bufmgr(void)
1253 muse_return_if_fail(muse_server);
1254 muse_return_if_fail(muse_server->bufmgr);
1256 tbm_bufmgr_deinit(muse_server->bufmgr);
1261 void ms_cmd_dispatch_foreach_func(gpointer data, gpointer user_data)
1263 muse_module_h m = (muse_module_h)data;
1264 ms_cmd_dispatcher_info_t *dispatch = (ms_cmd_dispatcher_info_t *)user_data;
1265 muse_module_command_e cmd;
1266 muse_external_storage_info_t *storage;
1268 muse_return_if_fail(muse_server);
1269 muse_return_if_fail(m);
1270 muse_return_if_fail(dispatch);
1272 cmd = dispatch->cmd;
1274 if (cmd == MUSE_MODULE_COMMAND_EXTERNAL_STORAGE_STATE_CHANGED) {
1275 storage = &dispatch->storage;
1276 LOGD("external storage id %d state %d path %s", storage->id, storage->state, storage->path);
1277 muse_server_set_user_data(m, (void *)storage);
1280 ms_cmd_dispatch(m, cmd);
1281 SECURE_LOGI("[%s] module %p (%s)", module_cmd[cmd], m, muse_server->conf->host[m->idx]);
1283 if (cmd == MUSE_MODULE_COMMAND_EXTERNAL_STORAGE_STATE_CHANGED)
1284 muse_server_set_user_data(m, NULL);
1287 void ms_set_state(ms_state_e state)
1289 muse_return_if_fail(muse_server);
1291 g_mutex_lock(&muse_server->state_lock);
1292 muse_server->state = state;
1293 g_mutex_unlock(&muse_server->state_lock);
1296 gboolean ms_is_server_ready(void)
1298 muse_return_val_if_fail(muse_server, FALSE);
1300 return muse_server->state == MUSE_SERVER_STATE_READY;
1303 gboolean ms_create_ready_file(void)
1306 #ifndef MUSE_USE_LWIPC
1310 #ifdef MUSE_USE_LWIPC
1313 ms_set_state(MUSE_SERVER_STATE_READY);
1315 if (LwipcEventDone(MUSE_SERVER_READY) < 0) {
1316 LOGE("Fail to send server ready done event");
1320 ready_fd = creat(MUSE_SERVER_READY, 0644);
1321 if (muse_core_fd_is_valid(ready_fd)) {
1322 LOGD("MUSE_SERVER_READY(%s) file was created", MUSE_SERVER_READY);
1325 ms_set_state(MUSE_SERVER_STATE_READY);
1327 LOGE("[%d] Fail to create MUSE_SERVER_READY(%s)", ready_fd, MUSE_SERVER_READY);
1337 void ms_remove_ready_file(void)
1339 #ifdef MUSE_USE_LWIPC
1340 (void)LwipcResetEvent(MUSE_SERVER_READY);
1342 (void)unlink(MUSE_SERVER_READY);
1343 (void)unlink(MUSE_DEFAULT_PIDFILE);
1347 const char *ms_get_command_string(int cmd)
1349 if (cmd == API_CREATE)
1351 else if (cmd == API_DESTROY)
1352 return "disconnect";
1354 LOGE("Invalid value of cmd (%d)", cmd);
1356 return "Invalid value of cmd";