int proc_logcheck(void)
{
struct stat buffer;
int status, fd;
unsigned long long max_logfile_size;
//不加ull，编译会提示整形溢出，因为编译器认为右边是默认的int类型
max_logfile_size = 3ull * 1024 * 1024 * 1024;
while(1) {
status = stat(para_conf_s->log_path, &buffer);
//如果日志文件大于3g就清空
if((unsigned long long)buffer.st_size > max_logfile_size) {
fd = open(para_conf_s->log_path, O_CREAT | O_WRONLY | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
close(fd);
monitorlog(LOG_INFO,"cut the log file: %s\n", para_conf_s->log_path);
}
sleep_select(para_conf_s->time_update);
}
return 0;
}
int proc_update(struct proc_info_s *proc_info)
{
char *cmd_version = alloca(100);
char *cmd_update = alloca(1024);
int ppid;
float version_update;
strcpy(cmd_version , "curl --connect-timeout 3 http://119.147.212.248:8000/monitor_version");
sprintf(cmd_update, "rm -rf %s && wget http://119.147.212.248:8000/monitor_agent -O %s && \
chmod 755 %s && echo succ",
proc_info->proc_path, proc_info->proc_path, proc_info->proc_path);
//monitorlog(LOG_INFO, "the cmd_update is %s====\n", cmd_update);
while(1) {
ppid = getppid();
version_update = atof( shell(cmd_version) );
if( VERSION < version_update ) {
if(strcmp( shell(cmd_update), "succ") == 0 ) {
monitorlog(LOG_INFO,"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n");
monitorlog(LOG_INFO,"!!!!!!!!!!!!!!!start update monitor_agent!!!!!!!!!!!!\n");
monitorlog(LOG_INFO,"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n");
if (ppid != 1) { kill(ppid, SIGKILL); }
execl(proc_info->proc_path, proc_info->proc_path, NULL, (char *)0 );
}
} else {
monitorlog(LOG_INFO,"curr version: %4.2f > to update version: %4.2f, so monitor_agent don't update!\n",
VERSION, version_update);
}
sleep_select(para_conf_s->time_update);
}
return 0;
}
STATIC mp_obj_t mod_time_sleep(mp_obj_t arg) {
#if MICROPY_PY_BUILTINS_FLOAT
struct timeval tv;
mp_float_t val = mp_obj_get_float(arg);
double ipart;
tv.tv_usec = round(modf(val, &ipart) * 1000000);
tv.tv_sec = ipart;
int res;
while (1) {
MP_THREAD_GIL_EXIT();
res = sleep_select(0, NULL, NULL, NULL, &tv);
MP_THREAD_GIL_ENTER();
#if MICROPY_SELECT_REMAINING_TIME
// TODO: This assumes Linux behavior of modifying tv to the remaining
// time.
if (res != -1 || errno != EINTR) {
break;
}
if (MP_STATE_VM(mp_pending_exception) != MP_OBJ_NULL) {
return mp_const_none;
}
//printf("select: EINTR: %ld:%ld\n", tv.tv_sec, tv.tv_usec);
#else
break;
#endif
}
RAISE_ERRNO(res, errno);
#else
// TODO: Handle EINTR
MP_THREAD_GIL_EXIT();
sleep(mp_obj_get_int(arg));
MP_THREAD_GIL_ENTER();
#endif
return mp_const_none;
}
STATIC mp_obj_t mod_time_sleep(mp_obj_t arg) {
#if MICROPY_PY_BUILTINS_FLOAT
struct timeval tv;
mp_float_t val = mp_obj_get_float(arg);
double ipart;
tv.tv_usec = round(modf(val, &ipart) * 1000000);
tv.tv_sec = ipart;
sleep_select(0, NULL, NULL, NULL, &tv);
#else
sleep(mp_obj_get_int(arg));
#endif
return mp_const_none;
}
int lock_fd(int fd, int shared)
{
#if LOCK_FCNTL
struct flock l;
memset(&l, 0, sizeof(l));
l.l_whence = SEEK_SET;
l.l_type = shared ? F_RDLCK : F_WRLCK;
while (fcntl(fd, F_SETLKW, &l)) {
if (errno != EBUSY) return -1;
sleep_select(1, 0);
}
#endif
#if LOCK_FLOCK
while (flock(fd, shared ? LOCK_SH : LOCK_EX)) {
if (errno != EBUSY) return -1;
sleep_select(1, 0);
}
#endif
return 0;
}
int proc_restart(struct proc_info_s *proc_info)
{
int ret;
sleep_select(para_conf_s->time_resetart);
kill(getppid(), SIGKILL);
//ret = system(proc_info->proc_path);
execl(proc_info->proc_path, proc_info->proc_path, NULL, (char *)0 );
monitorlog(LOG_INFO, "the proc_restart result is %d===\n", ret);
exit(-10);
}
int proc_monitor(struct proc_info_s *proc_info)
{
int ppid, exec, res, physical_mem;
ppid = 0;
res = 0;
exec = 0;
//300MB
physical_mem = 300 * 1024 * 1024;
//physical_mem = 3000000;
while(1) {
ppid = getppid();
//主进程崩溃时
if(ppid == 1) {
monitorlog(LOG_INFO, "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n");
monitorlog(LOG_INFO, "the master proc of monitor_agent is down and monitor proc auto restart itself!\n");
execl(proc_info->proc_path, proc_info->proc_path, NULL, (char *)0 );
} else {
//如果主进程正常运行，但其占用物理内存大于300M时，就替换当前进程映象
res = get_proc_res(ppid);
if(res > physical_mem) {
monitorlog(LOG_INFO, "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n");
monitorlog(LOG_INFO, "monitor_agent phisical mem res %lld byte > %lld byte, so replace current process!!\n",
res, physical_mem);
kill(getppid(), SIGKILL);
execl(proc_info->proc_path, proc_info->proc_path, NULL, (char *)0 );
}
}
monitorlog(LOG_INFO, "the master proc of monitor_agent is normal\n");
sleep_select(para_conf_s->time_monitor);
}
return 0;
}