static int do_site(void)
{
int fd;
int rv = -1;
if (!cl.debug) {
if (daemon(0, 0) < 0) {
perror("daemon error");
exit(EXIT_FAILURE);
}
}
setup_logging();
fd = lockfile();
if (fd < 0)
return fd;
log_info("BOOTH cluster site daemon started");
set_scheduler();
set_oom_adj(-16);
rv = loop(SITE);
if (rv < 0)
goto fail;
unlink_lockfile(fd);
close_logging();
return 0;
fail:
return -1;
}
static int do_client(void)
{
int rv = -1;
setup_logging();
switch (cl.op) {
case OP_LIST:
rv = do_list();
break;
case OP_GRANT:
rv = do_grant();
break;
case OP_REVOKE:
rv = do_revoke();
break;
}
close_logging();
return rv;
}
int main(int argc, char *const argv[])
{
char *configfile = CONFIG_FILENAME;
int c, rv = 0;
struct watchdog_info ident;
char *opts = "c:";
struct option long_options[] = {
{"config-file", required_argument, NULL, 'c'},
{NULL, 0, NULL, 0}
};
int watchdog = -1;
char *progname = basename(argv[0]);
open_logging(progname, MSG_TO_STDERR);
/* check for the one option we understand */
while ((c = getopt_long(argc, argv, opts, long_options, NULL)) != EOF) {
switch (c) {
case 'c':
configfile = optarg;
break;
default:
usage(progname);
}
}
read_config(configfile);
/* this program has no other function than identifying the hardware behind
* this device i.e. if there is no device given we better punt */
if (devname == NULL) {
printf("No watchdog hardware configured in \"%s\"\n", configfile);
exit(1);
}
/* open the device */
watchdog = open(devname, O_WRONLY);
if (watchdog == -1) {
log_message(LOG_ERR, "cannot open %s (errno = %d = '%s')", devname, errno, strerror(errno));
exit(1);
}
/* Print watchdog identity */
if (ioctl(watchdog, WDIOC_GETSUPPORT, &ident) < 0) {
log_message(LOG_ERR, "cannot get watchdog identity (errno = %d = '%s')", errno, strerror(errno));
rv = 1;
} else {
ident.identity[sizeof(ident.identity) - 1] = '\0'; /* Be sure */
printf("%s\n", ident.identity);
}
if (write(watchdog, "V", 1) < 0) {
log_message(LOG_ERR, "write watchdog device gave error %d = '%s'!", errno, strerror(errno));
rv = 1;
}
if (close(watchdog) == -1) {
log_message(LOG_ALERT, "cannot close watchdog (errno = %d = '%s')", errno, strerror(errno));
rv = 1;
}
close_logging();
exit(rv);
}
static __attribute__((destructor)) void deinitialize() {
/* End logging */
close_logging();
}