/* Daemon stop sequence */
static void
stop_check(void)
{
/* Destroy master thread */
signal_handler_destroy();
thread_destroy_master(master);
free_checkers_queue();
free_ssl();
if (!(debug & 16))
clear_services();
ipvs_stop();
/* Stop daemon */
pidfile_rm(checkers_pidfile);
/* Clean data */
free_global_data(data);
free_check_data(check_data);
#ifdef _WITH_VRRP_
free_interface_queue();
#endif
#ifdef _DEBUG_
keepalived_free_final("Healthcheck child process");
#endif
/*
* Reached when terminate signal catched.
* finally return to parent process.
*/
closelog();
exit(0);
}
/* return the daemon running state */
int
process_running(char *pid_file)
{
FILE *pidfile = fopen(pid_file, "r");
pid_t pid;
int ret;
/* No pidfile */
if (!pidfile)
return 0;
ret = fscanf(pidfile, "%d", &pid);
if (ret != 1) {
log_message(LOG_INFO, "Error reading pid file %s", pid_file);
pid = 0;
}
fclose(pidfile);
/* What should we return - we don't know if it is running or not. */
if (!pid)
return 1;
/* If no process is attached to pidfile, remove it */
if (kill(pid, 0)) {
log_message(LOG_INFO, "Remove a zombie pid file %s", pid_file);
pidfile_rm(pid_file);
return 0;
}
return 1;
}
/* Daemon stop sequence */
static void
stop_keepalived(void)
{
/* Just cleanup memory & exit */
signal_handler_destroy();
thread_destroy_master(master);
pidfile_rm(main_pidfile);
if (__test_bit(DAEMON_VRRP, &daemon_mode))
pidfile_rm(vrrp_pidfile);
if (__test_bit(DAEMON_CHECKERS, &daemon_mode))
pidfile_rm(checkers_pidfile);
#ifdef _DEBUG_
keepalived_free_final("Parent process");
#endif
}
/* Daemon stop sequence */
static void
stop_keepalived(void)
{
log_message(LOG_INFO, "Stopping " VERSION_STRING);
/* Just cleanup memory & exit */
signal_handler_destroy();
thread_destroy_master(master);
pidfile_rm(main_pidfile);
if (daemon_mode & 1 || !daemon_mode)
pidfile_rm(vrrp_pidfile);
if (daemon_mode & 2 || !daemon_mode)
pidfile_rm(checkers_pidfile);
#ifdef _DEBUG_
keepalived_free_final("Parent process");
#endif
}
/* Daemon stop sequence */
static void
stop_keepalived(void)
{
#ifndef _DEBUG_
/* Just cleanup memory & exit */
signal_handler_destroy();
thread_destroy_master(master);
#ifdef _WITH_VRRP_
if (__test_bit(DAEMON_VRRP, &daemon_mode))
pidfile_rm(vrrp_pidfile);
#endif
#ifdef _WITH_LVS_
if (__test_bit(DAEMON_CHECKERS, &daemon_mode))
pidfile_rm(checkers_pidfile);
#endif
pidfile_rm(main_pidfile);
#endif
}
/* Daemon stop sequence */
static void
stop_vrrp(void)
{
signal_handler_destroy();
if (!(debug & 8))
shutdown_vrrp_instances();
/* Clear static entries */
netlink_rtlist(vrrp_data->static_routes, IPROUTE_DEL);
netlink_iplist(vrrp_data->static_addresses, IPADDRESS_DEL, NULL);
#ifdef _WITH_SNMP_
if (snmp)
vrrp_snmp_agent_close();
#endif
/* Stop daemon */
pidfile_rm(vrrp_pidfile);
#ifdef _WITH_LVS_
if (vrrp_ipvs_needed()) {
/* Clean ipvs related */
ipvs_stop();
}
#endif
/* Clean data */
free_global_data(global_data);
vrrp_dispatcher_release(vrrp_data);
free_vrrp_data(vrrp_data);
free_vrrp_buffer();
free_interface_queue();
kernel_netlink_close();
thread_destroy_master(master);
gratuitous_arp_close();
ndisc_close();
#ifdef _DEBUG_
keepalived_free_final("VRRP Child process");
#endif
/*
* Reached when terminate signal catched.
* finally return to parent process.
*/
closelog();
exit(0);
}
/* Daemon stop sequence */
static void
stop_bfd(int status)
{
struct rusage usage;
if (__test_bit(CONFIG_TEST_BIT, &debug))
return;
/* Stop daemon */
pidfile_rm(bfd_pidfile);
/* Clean data */
free_global_data(global_data);
bfd_dispatcher_release(bfd_data);
free_bfd_data(bfd_data);
free_bfd_buffer();
thread_destroy_master(master);
free_parent_mallocs_exit();
/*
* Reached when terminate signal catched.
* finally return to parent process.
*/
if (__test_bit(LOG_DETAIL_BIT, &debug)) {
getrusage(RUSAGE_SELF, &usage);
log_message(LOG_INFO, "Stopped - used %ld.%6.6ld user time, %ld.%6.6ld system time", usage.ru_utime.tv_sec, usage.ru_utime.tv_usec, usage.ru_stime.tv_sec, usage.ru_stime.tv_usec);
}
else
log_message(LOG_INFO, "Stopped");
#ifdef ENABLE_LOG_TO_FILE
if (log_file_name)
close_log_file();
#endif
closelog();
#ifndef _MEM_CHECK_LOG_
FREE_PTR(bfd_syslog_ident);
#else
if (bfd_syslog_ident)
free(bfd_syslog_ident);
#endif
close_std_fd();
exit(status);
}
/* Daemon stop sequence */
static void
stop_check(int status)
{
/* Destroy master thread */
signal_handler_destroy();
thread_destroy_master(master);
free_checkers_queue();
free_ssl();
if (!__test_bit(DONT_RELEASE_IPVS_BIT, &debug))
clear_services();
ipvs_stop();
#ifdef _WITH_SNMP_CHECKER_
if (global_data->enable_snmp_checker)
check_snmp_agent_close();
#endif
/* Stop daemon */
pidfile_rm(checkers_pidfile);
/* Clean data */
free_global_data(global_data);
free_check_data(check_data);
#ifdef _WITH_VRRP_
free_interface_queue();
#endif
free_parent_mallocs_exit();
/*
* Reached when terminate signal catched.
* finally return to parent process.
*/
log_message(LOG_INFO, "Stopped");
closelog();
#ifndef _MEM_CHECK_LOG_
FREE_PTR(check_syslog_ident);
#else
if (check_syslog_ident)
free(check_syslog_ident);
#endif
exit(status);
}
/* Daemon stop sequence */
static void
stop_vrrp(void)
{
/* Destroy master thread */
signal_handler_destroy();
free_vrrp_sockpool(vrrp_data);
thread_destroy_master(master);
/* Clear static entries */
netlink_rtlist_ipv4(vrrp_data->static_routes, IPROUTE_DEL);
netlink_iplist_ipv4(-1, vrrp_data->static_addresses, IPADDRESS_DEL);
if (!(debug & 8))
shutdown_vrrp_instances();
free_interface_queue();
gratuitous_arp_close();
ndisc_close();
vrrp_trackip_close();
/* Stop daemon */
pidfile_rm(vrrp_pidfile);
/* Clean data */
free_global_data(data);
free_vrrp_data(vrrp_data);
free_vrrp_buffer();
#ifdef _WITH_LVS_
/* Clean ipvs related */
//ipvs_stop();
#endif
#ifdef _DEBUG_
keepalived_free_final("VRRP Child process");
#endif
/*
* Reached when terminate signal catched.
* finally return to parent process.
*/
closelog();
exit(0);
}
/* Daemon stop sequence */
static void
stop_check(void)
{
/* Destroy master thread */
signal_handler_destroy();
thread_destroy_master(master);
free_checkers_queue();
free_ssl();
if (!__test_bit(DONT_RELEASE_IPVS_BIT, &debug))
clear_services();
ipvs_stop();
#ifdef _WITH_SNMP_CHECKER_
if (global_data->enable_snmp_checker)
check_snmp_agent_close();
#endif
/* Stop daemon */
pidfile_rm(checkers_pidfile);
/* Clean data */
free_global_data(global_data);
free_check_data(check_data);
#ifdef _WITH_VRRP_
free_interface_queue();
#endif
#ifdef _MEM_CHECK_
keepalived_free_final("Healthcheck child process");
#endif
/*
* Reached when terminate signal catched.
* finally return to parent process.
*/
log_message(LOG_INFO, "Stopped");
closelog();
exit(0);
}
/* return the daemon running state */
int
process_running(char *pid_file)
{
FILE *pidfile = fopen(pid_file, "r");
pid_t pid;
int ret;
/* No pidfile */
if (!pidfile)
return 0;
ret = fscanf(pidfile, "%d", &pid);
fclose(pidfile);
/* If no process is attached to pidfile, remove it */
if (kill(pid, 0)) {
log_message(LOG_INFO, "Remove a zombie pid file %s", pid_file);
pidfile_rm(pid_file);
return 0;
}
return 1;
}
/* Daemon stop sequence */
static void
stop_vrrp(void)
{
/* Ensure any interfaces are in backup mode,
* sending a priority 0 vrrp message
*/
restore_vrrp_interfaces();
#ifdef _HAVE_LIBIPTC_
iptables_fini();
#endif
/* Clear static entries */
netlink_rtlist(vrrp_data->static_routes, IPROUTE_DEL);
netlink_rulelist(vrrp_data->static_rules, IPRULE_DEL);
netlink_iplist(vrrp_data->static_addresses, IPADDRESS_DEL);
#ifdef _WITH_SNMP_
if (global_data->enable_snmp_keepalived || global_data->enable_snmp_rfc)
vrrp_snmp_agent_close();
#endif
/* Stop daemon */
pidfile_rm(vrrp_pidfile);
#ifdef _WITH_LVS_
if (vrrp_ipvs_needed()) {
/* Clean ipvs related */
ipvs_stop();
}
#endif
/* Clean data */
free_global_data(global_data);
vrrp_dispatcher_release(vrrp_data);
/* This is not nice, but it significantly increases the chances
* of an IGMP leave group being sent for some reason.
* Since we are about to exit, it doesn't affect anything else
* running. */
sleep ( 1 );
if (!__test_bit(DONT_RELEASE_VRRP_BIT, &debug))
shutdown_vrrp_instances();
free_vrrp_data(vrrp_data);
free_vrrp_buffer();
free_interface_queue();
kernel_netlink_close();
thread_destroy_master(master);
gratuitous_arp_close();
ndisc_close();
signal_handler_destroy();
#ifdef _DEBUG_
keepalived_free_final("VRRP Child process");
#endif
/*
* Reached when terminate signal catched.
* finally return to parent process.
*/
closelog();
exit(0);
}