void
maximize_priority(void)
{
if (skip_rt) {
cl_log(LOG_INFO, "Not elevating to realtime (-R specified).");
return;
}
cl_make_realtime(-1, 100, 256, 256);
if (ioprio_set(IOPRIO_WHO_PROCESS, getpid(),
IOPRIO_PRIO_VALUE(IOPRIO_CLASS_RT, 1)) != 0) {
cl_perror("ioprio_set() call failed.");
}
}
int
crmd_init(void)
{
int exit_code = 0;
enum crmd_fsa_state state;
fsa_state = S_STARTING;
fsa_input_register = 0; /* zero out the regester */
init_dotfile();
crm_debug("Starting %s", crm_system_name);
register_fsa_input(C_STARTUP, I_STARTUP, NULL);
crm_peer_init();
state = s_crmd_fsa(C_STARTUP);
if (state == S_PENDING || state == S_STARTING) {
/* Create the mainloop and run it... */
crmd_mainloop = g_main_new(FALSE);
crm_trace("Starting %s's mainloop", crm_system_name);
#ifdef REALTIME_SUPPORT
static int crm_realtime = 1;
if (crm_realtime == 1) {
cl_enable_realtime();
} else if (crm_realtime == 0) {
cl_disable_realtime();
}
cl_make_realtime(SCHED_RR, 5, 64, 64);
#endif
g_main_run(crmd_mainloop);
if (is_set(fsa_input_register, R_STAYDOWN)) {
crm_info("Inhibiting respawn by Heartbeat");
exit_code = 100;
}
} else {
crm_err("Startup of %s failed. Current state: %s",
crm_system_name, fsa_state2string(state));
exit_code = 1;
}
crm_info("[%s] stopped (%d)", crm_system_name, exit_code);
qb_log_fini();
return exit_code;
}
int main(int argc, char *argv[])
{
int ret;
progname = get_progname(argv[0]);
nodename = get_nodename();
cl_log_set_entity(progname);
cl_log_set_facility(HA_LOG_FACILITY);
cl_inherit_logging_environment(0);
/* read command line option */
opterr = 0;
while (1) {
int c = getopt(argc, argv, "hi:c:t:m:n:r:");
if (c == -1)
break;
switch (c) {
case 'h': /* help*/
usage(stdout);
exit(EXIT_SUCCESS);
case 'i': /* -i <index> */
{
unsigned long l = strtoul(optarg, NULL, 10);
if (l < SFEX_MIN_NUMLOCKS || l > SFEX_MAX_NUMLOCKS) {
cl_log(LOG_ERR,
"index %s is out of range or invalid. it must be integer value between %lu and %lu.\n",
optarg,
(unsigned long)SFEX_MIN_NUMLOCKS,
(unsigned long)SFEX_MAX_NUMLOCKS);
exit(4);
}
lock_index = l;
}
break;
case 'c': /* -c <collision_timeout> */
{
unsigned long l = strtoul(optarg, NULL, 10);
if (l < 1 || l > INT_MAX) {
cl_log(LOG_ERR,
"collision_timeout %s is out of range or invalid. it must be integer value between %lu and %lu.\n",
optarg,
(unsigned long)1,
(unsigned long)INT_MAX);
exit(4);
}
collision_timeout = l;
}
break;
case 'm': /* -m <monitor_interval> */
{
unsigned long l = strtoul(optarg, NULL, 10);
if (l < 1 || l > INT_MAX) {
cl_log(LOG_ERR,
"monitor_interval %s is out of range or invalid. it must be integer value between %lu and %lu.\n",
optarg,
(unsigned long)1,
(unsigned long)INT_MAX);
exit(4);
}
monitor_interval = l;
}
break;
case 't': /* -t <lock_timeout> */
{
unsigned long l = strtoul(optarg, NULL, 10);
if (l < 1 || l > INT_MAX) {
cl_log(LOG_ERR,
"lock_timeout %s is out of range or invalid. it must be integer value between %lu and %lu.\n",
optarg,
(unsigned long)1,
(unsigned long)INT_MAX);
exit(4);
}
lock_timeout = l;
}
break;
case 'n':
{
free(nodename);
if (strlen(optarg) > SFEX_MAX_NODENAME) {
cl_log(LOG_ERR, "nodename %s is too long. must be less than %d byte.\n",
optarg,
(unsigned int)SFEX_MAX_NODENAME);
exit(EXIT_FAILURE);
}
nodename = strdup(optarg);
}
break;
case 'r':
{
rsc_id = strdup(optarg);
}
break;
case '?': /* error */
usage(stderr);
exit(4);
}
}
/* check parameter except the option */
if (optind >= argc) {
cl_log(LOG_ERR, "no device specified.\n");
usage(stderr);
exit(EXIT_FAILURE);
} else if (optind + 1 < argc) {
cl_log(LOG_ERR, "too many arguments.\n");
usage(stderr);
exit(EXIT_FAILURE);
}
device = argv[optind];
prepare_lock(device);
#if !SFEX_TESTING
sysrq_fd = open("/proc/sysrq-trigger", O_WRONLY);
if (sysrq_fd == -1) {
cl_log(LOG_ERR, "failed to open /proc/sysrq-trigger due to %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
#endif
ret = lock_index_check(&cdata, lock_index);
if (ret == -1)
exit(EXIT_FAILURE);
{
struct sigaction sig_act;
sigemptyset (&sig_act.sa_mask);
sig_act.sa_flags = SA_SIGINFO;
sig_act.sa_sigaction = quit_handler;
ret = sigaction(SIGTERM, &sig_act, NULL);
if (ret == -1) {
cl_log(LOG_ERR, "sigaction failed\n");
exit(EXIT_FAILURE);
}
}
cl_log(LOG_INFO, "Starting SFeX Daemon...\n");
/* acquire lock first.*/
acquire_lock();
if (daemon(0, 1) != 0) {
cl_perror("%s::%d: daemon() failed.", __FUNCTION__, __LINE__);
release_lock();
exit(EXIT_FAILURE);
}
cl_make_realtime(-1, -1, 128, 128);
cl_log(LOG_INFO, "SFeX Daemon started.\n");
while (1) {
sleep (monitor_interval);
update_lock();
}
}
/*
crmd起動初期処理
C_で表現さえる原因は以下が用意されている
enum crmd_fsa_cause
{
C_UNKNOWN = 0,
C_STARTUP,
C_IPC_MESSAGE,
C_HA_MESSAGE,
C_CCM_CALLBACK,
C_CRMD_STATUS_CALLBACK,
C_LRM_OP_CALLBACK,
C_LRM_MONITOR_CALLBACK,
C_TIMER_POPPED,
C_SHUTDOWN,
C_HEARTBEAT_FAILED,
C_SUBSYSTEM_CONNECT,
C_HA_DISCONNECT,
C_FSA_INTERNAL,
C_ILLEGAL
};
*/
int
crmd_init(void)
{
int exit_code = 0;
enum crmd_fsa_state state;
/* 最初のfsa_stateをS_STARTINGにセット */
fsa_state = S_STARTING;
fsa_input_register = 0; /* zero out the regester */
init_dotfile();
crm_info("Starting %s", crm_system_name);
/* Start時の自処理入力データを作成する */
/*
fsa_data->id = last_data_id;
fsa_data->fsa_input = I_STARTUP;
fsa_data->fsa_cause = C_STARTUP;
fsa_data->origin = raised_from;
fsa_data->data = NULL;
fsa_data->data_type = fsa_dt_none;
fsa_data->actions = with_actions;
#define register_fsa_input(cause, input, data) register_fsa_input_adv(cause, input, data, A_NOTHING, FALSE, __FUNCTION__)
*/
register_fsa_input(C_STARTUP, I_STARTUP, NULL);
crm_peer_init();
/* 最初のS_STARTING/C_STARTUP/I_STARTUP状態を処理する */
state = s_crmd_fsa(C_STARTUP);
if (state == S_PENDING || state == S_STARTING) {
/* Create the mainloop and run it... */
crmd_mainloop = g_main_new(FALSE);
crm_info("Starting %s's mainloop", crm_system_name);
#ifdef REALTIME_SUPPORT
static int crm_realtime = 1;
if (crm_realtime == 1){
cl_enable_realtime();
}else if (crm_realtime == 0){
cl_disable_realtime();
}
cl_make_realtime(SCHED_RR, 5, 64, 64);
#endif
/* メインループ開始 */
g_main_run(crmd_mainloop);
if(is_set(fsa_input_register, R_STAYDOWN)) {
crm_info("Inhibiting respawn by Heartbeat");
exit_code = 100;
}
} else {
crm_err("Startup of %s failed. Current state: %s",
crm_system_name, fsa_state2string(state));
exit_code = 1;
}
crm_info("[%s] stopped (%d)", crm_system_name, exit_code);
return exit_code;
}