/*
* ZFS Event Daemon (ZED).
*/
int
main(int argc, char *argv[])
{
struct zed_conf *zcp;
uint64_t saved_eid;
int64_t saved_etime[2];
zed_log_init(argv[0]);
zed_log_stderr_open(LOG_NOTICE);
zcp = zed_conf_create();
zed_conf_parse_opts(zcp, argc, argv);
if (zcp->do_verbose)
zed_log_stderr_open(LOG_INFO);
if (geteuid() != 0)
zed_log_die("Must be run as root");
zed_conf_parse_file(zcp);
zed_file_close_from(STDERR_FILENO + 1);
(void) umask(0);
if (chdir("/") < 0)
zed_log_die("Failed to change to root directory");
if (zed_conf_scan_dir(zcp) < 0)
exit(EXIT_FAILURE);
if (!zcp->do_foreground) {
_start_daemonize();
zed_log_syslog_open(LOG_DAEMON);
}
_setup_sig_handlers();
if (zcp->do_memlock)
_lock_memory();
if ((zed_conf_write_pid(zcp) < 0) && (!zcp->do_force))
exit(EXIT_FAILURE);
if (!zcp->do_foreground)
_finish_daemonize();
zed_log_msg(LOG_NOTICE,
"ZFS Event Daemon %s-%s (PID %d)",
ZFS_META_VERSION, ZFS_META_RELEASE, (int) getpid());
if (zed_conf_open_state(zcp) < 0)
exit(EXIT_FAILURE);
if (zed_conf_read_state(zcp, &saved_eid, saved_etime) < 0)
exit(EXIT_FAILURE);
retry:
if (zed_event_init(zcp)) {
/*
* If we failed to open /dev/zfs, but force was requested, we
* sleep waiting for it to come alive. This lets zed sit around
* waiting for the kernel module to load.
*/
if (zcp->do_force) {
sleep(30);
if (!_got_exit) goto retry;
}
zed_log_die("Failed to initialize libzfs");
}
zed_event_seek(zcp, saved_eid, saved_etime);
while (!_got_exit) {
if (_got_hup) {
_got_hup = 0;
(void) zed_conf_scan_dir(zcp);
}
if (zed_event_service(zcp)) break;
}
zed_log_msg(LOG_NOTICE, "Exiting");
zed_event_fini(zcp);
if (zcp->do_force && !_got_exit) {
goto retry;
}
zed_conf_destroy(zcp);
zed_log_fini();
exit(EXIT_SUCCESS);
}
/*
* ZFS Event Daemon (ZED).
*/
int
main(int argc, char *argv[])
{
struct zed_conf *zcp;
uint64_t saved_eid;
int64_t saved_etime[2];
zed_log_init(argv[0]);
zed_log_stderr_open(LOG_NOTICE);
zcp = zed_conf_create();
zed_conf_parse_opts(zcp, argc, argv);
if (zcp->do_verbose)
zed_log_stderr_open(LOG_INFO);
if (geteuid() != 0)
zed_log_die("Must be run as root");
zed_conf_parse_file(zcp);
zed_file_close_from(STDERR_FILENO + 1);
(void) umask(0);
if (chdir("/") < 0)
zed_log_die("Failed to change to root directory");
if (zed_conf_scan_dir(zcp) < 0)
exit(EXIT_FAILURE);
if (!zcp->do_foreground) {
_start_daemonize();
zed_log_syslog_open(LOG_DAEMON);
}
_setup_sig_handlers();
if (zcp->do_memlock)
_lock_memory();
(void) zed_conf_write_pid(zcp);
if (!zcp->do_foreground)
_finish_daemonize();
zed_log_msg(LOG_NOTICE,
"ZFS Event Daemon %s-%s (PID %d)",
ZFS_META_VERSION, ZFS_META_RELEASE, (int) getpid());
if (zed_conf_open_state(zcp) < 0)
exit(EXIT_FAILURE);
if (zed_conf_read_state(zcp, &saved_eid, saved_etime) < 0)
exit(EXIT_FAILURE);
zed_event_init(zcp);
zed_event_seek(zcp, saved_eid, saved_etime);
while (!_got_exit) {
if (_got_hup) {
_got_hup = 0;
(void) zed_conf_scan_dir(zcp);
}
zed_event_service(zcp);
}
zed_log_msg(LOG_NOTICE, "Exiting");
zed_event_fini(zcp);
zed_conf_destroy(zcp);
zed_log_fini();
exit(EXIT_SUCCESS);
}