static char *pmon_get_permanent_pname(int pid)
{
int fd;
char buf[PATH_MAX];
struct stat st;
char *cmdline = NULL;
snprintf(buf, sizeof(buf), "%s/%d", PMON_PERMANENT_DIR, pid);
fd = open(buf, O_RDONLY);
if (fd == -1) {
PRT_TRACE_ERR("file open error");
return NULL;
}
if (fstat(fd, &st) < 0) {
PRT_TRACE_ERR("fstat error");
return NULL;
}
PRT_TRACE("size = %d", (int)st.st_size);
cmdline = malloc(st.st_size + 1);
if (cmdline == NULL) {
PRT_TRACE_ERR("Not enough memory");
return NULL;
}
memset(cmdline, 0, st.st_size + 1);
read(fd, cmdline, st.st_size);
/* TODO - must change more smarter */
replace_char(st.st_size - 1, cmdline);
close(fd);
return cmdline;
}
int ss_pmon_init(struct ss_main_data *ad)
{
char pmon_dev_node[PATH_MAX];
if (0 > plugin_intf->OEM_sys_get_process_monitor_node(pmon_dev_node)) {
PRT_TRACE_ERR("ss_pmon_init get dev node path failed");
return -1;
}
pmon_fd = open(pmon_dev_node, O_RDONLY);
if (pmon_fd < 0) {
PRT_TRACE_ERR("ss_pmon_init fd open failed");
return -1;
}
ecore_main_fd_handler_add(pmon_fd, ECORE_FD_READ, pmon_cb, ad, NULL,
NULL);
return 0;
}
int launch_app_with_nice(const char *file, char *const argv[], pid_t *pid, int _nice)
{
int ret;
int _pid;
if (file == NULL || access(file, X_OK) != 0) {
PRT_TRACE_ERR("launch app error: Invalid input");
errno = EINVAL;
return -1;
}
if (pid && (*pid > 0 && kill(*pid, 0) != -1))
return *pid;
_pid = fork();
if (_pid == -1) {
PRT_TRACE_ERR("fork error: %s", strerror(errno));
/* keep errno */
return -1;
}
if (_pid > 0) { /* parent */
if (pid)
*pid = _pid;
return _pid;
}
/* child */
prepare_exec();
ret = nice(_nice);
if (ret == -1 && errno != 0)
PRT_TRACE_ERR("nice error: %s", strerror(errno));
ret = execvp(file, argv);
/* If failed... */
PRT_TRACE_ERR("exec. error: %s", strerror(errno));
return -2;
}
static int custom_cb(void *data, Ecore_Fd_Handler * fd_handler)
{
int fd;
struct message_data *msg; //-------
PRT_ERR("[gandan] %s: socket data received\n", __FUNCTION__);
struct sockaddr_un client_address;
int client_sockfd;
int client_len;
if (!ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_READ)) {
PRT_TRACE_ERR
("ecore_main_fd_handler_active_get error , return\n");
return 1;
}
fd = ecore_main_fd_handler_fd_get(fd_handler);
msg = malloc(sizeof(struct message_data)); //-------
if (msg == NULL) {
PRT_TRACE_ERR("%s : Not enough memory", __FUNCTION__);
return 1;
}
client_len = sizeof(client_address);
client_sockfd = accept(fd, (struct sockaddr *)&client_address, (socklen_t *)&client_len);
if (client_sockfd == -1) {
PRT_TRACE_ERR("socket accept error");
free(msg);
return -1;
}
read_message(client_sockfd, msg);
PRT_ERR("[gandan] received data : %d\n", msg->val);
PRT_ERR("[gandan] %s: socket data receive end\n", __FUNCTION__);
free(msg);
return 1;
}
static int pmon_cb(void *data, Ecore_Fd_Handler * fd_handler)
{
int fd;
struct ss_main_data *ad = (struct ss_main_data *)data;
int dead_pid;
if (!ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_READ)) {
PRT_TRACE_ERR
("ecore_main_fd_handler_active_get error , return\n");
return 1;
}
fd = ecore_main_fd_handler_fd_get(fd_handler);
if ((read(fd, &dead_pid, sizeof(dead_pid))) < 0) {
PRT_TRACE_ERR("Reading DEAD_PID failed, Return");
return 1;
}
print_pmon_state(dead_pid);
pmon_process(dead_pid, ad);
return 1;
}
int ss_launch_after_kill_if_exist(const char *execpath, const char *arg, ...)
{
char *buf;
int pid;
int nice_value = 0;
int flag = 0;
int buf_size = -1;
int exist_pid;
va_list argptr;
if (execpath == NULL) {
errno = EINVAL;
return -1;
}
if ((exist_pid = sysman_get_pid(execpath)) > 0)
kill(exist_pid, SIGTERM);
va_start(argptr, arg);
flag = va_arg(argptr, int);
if (flag & SS_LAUNCH_NICE)
nice_value = va_arg(argptr, int);
va_end(argptr);
ss_set_current_lang();
arg = _S(arg);
buf_size = strlen(execpath) + strlen(arg) + 10;
buf = malloc(buf_size);
if (buf == NULL) {
/* Do something for not enought memory error */
PRT_TRACE_ERR("Malloc Failed");
return -1;
}
snprintf(buf, buf_size, "%s %s", execpath, arg);
pid = launch_app_cmd_with_nice(buf, nice_value);
if (pid == -2)
exit(0);
free(buf);
return pid;
}
static int __custom_start(void){
int fd;
fd = custom_server_init();
if ( fd < 0 )
return -1;
//ECORE_FD_READ , ECORE_FD_WRITE
custom_efd = ecore_main_fd_handler_add(fd, ECORE_FD_READ, custom_cb, NULL, NULL, NULL);
if (!custom_efd ) {
PRT_TRACE_ERR("error ecore_main_fd_handler_add");
return -1;
}
return fd;
}
int launch_app_cmd_with_nice(const char *cmdline, int _nice)
{
int i;
int nargs;
int ret;
char *argv[MAX_ARGS + 1];
nargs = parse_cmd(cmdline, argv, MAX_ARGS + 1);
if (nargs == -1) {
PRT_TRACE_ERR("launch app error: Invalid input");
errno = EINVAL;
return -1;
}
ret = launch_app_with_nice(argv[0], argv, NULL, _nice);
for (i = 0; i < nargs; i++)
free(argv[i]);
return ret;
}
static int pmon_process(unsigned int pid, void *ad)
{
char *cmdline;
int new_pid;
char old_file[PATH_MAX];
int fd;
if (sysconf_is_vip(pid)) {
PRT_TRACE_ERR("=======================================");
PRT_TRACE_ERR("[Process MON] VIP process dead.");
PRT_TRACE_ERR("=======================================");
}
/* If there is NOT a .hibernation_start file, run following codes
* On hibernation processing, just ignore relaunching */
else if (access("/tmp/.hibernation_start", R_OK) != 0) {
cmdline = pmon_get_permanent_pname(pid);
if (cmdline != NULL) {
PRT_TRACE("[Process MON] %s relaunch", cmdline);
new_pid = ss_launch_evenif_exist(cmdline, "");
free(cmdline);
if (new_pid > 0) {
/* TODO - set oom */
char buf[PATH_MAX];
char filepath[PATH_MAX];
size_t cnt;
if (access(PMON_PERMANENT_DIR, R_OK) < 0) {
PRT_TRACE("no predefined matrix dir = %s, so created", PMON_PERMANENT_DIR);
mkdir(PMON_PERMANENT_DIR, 0777);
}
snprintf(filepath, sizeof(filepath), "%s/%d", PMON_PERMANENT_DIR, pid);
fd = open(filepath, O_RDONLY);
if (fd == -1) {
PRT_TRACE("Failed to open");
return -1;
}
cnt = read(fd, buf, PATH_MAX);
close(fd);
if (cnt <= 0) {
PRT_TRACE("Failed to read");
return -1;
}
snprintf(filepath, sizeof(filepath), "%s/%d", PMON_PERMANENT_DIR, new_pid);
fd = open(filepath, O_CREAT | O_WRONLY, 0644);
if (fd == -1) {
PRT_TRACE("Failed to open");
return -1;
}
if (write(fd, buf, cnt) == -1) {
PRT_TRACE("Failed to write");
close(fd);
return -1;
}
close(fd);
if (0 > plugin_intf->OEM_sys_set_process_monitor_mp_pnp(new_pid)) {
PRT_TRACE_ERR("Write new pid failed");
}
PRT_TRACE("[Process MON] %d ", new_pid);
FILE *fp;
PRT_TRACE
("[Process MON] OOMADJ_SET : pid %d, new_oomadj %d",
new_pid, (-17));
snprintf(buf, sizeof(buf), "/proc/%d/oom_adj",
new_pid);
fp = fopen(buf, "w");
if (fp == NULL)
return -1;
fprintf(fp, "%d", (-17));
fclose(fp);
snprintf(old_file, sizeof(old_file), "%s/%d",
PMON_PERMANENT_DIR, pid);
unlink(old_file);
} else {
PRT_TRACE_ERR("[Process MON] failed relaunching");
}
}
}
return 0;
}