Exemple #1
0
void readline_print_status()
{
	char str_prompt[STR_SIZE];

#if 0
	term_puts("myshell");
	term_putc(get_prompt());
	term_putc(' ');
#endif

	sprintf(str_prompt, "%s@%s:%s%c ", get_username(), get_nodename(), get_current_short_dir(), get_prompt());
	term_puts(str_prompt);
}
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();
	}
}