/* Daemon init sequence */
static void
start_vrrp(void)
{
/* Initialize sub-system */
init_interface_queue();
kernel_netlink_init();
gratuitous_arp_init();
ndisc_init();
#ifdef _WITH_SNMP_
if (!reload && snmp)
vrrp_snmp_agent_init();
#endif
#ifdef _WITH_LVS_
/* Initialize ipvs related */
ipvs_start();
#endif
/* Parse configuration file */
data = alloc_global_data();
vrrp_data = alloc_vrrp_data();
alloc_vrrp_buffer();
init_data(conf_file, vrrp_init_keywords);
if (!vrrp_data) {
stop_vrrp();
return;
}
if (reload) {
clear_diff_saddresses();
clear_diff_sroutes();
clear_diff_vrrp();
clear_diff_script();
}
/* Complete VRRP initialization */
if (!vrrp_complete_init()) {
stop_vrrp();
return;
}
/* Post initializations */
log_message(LOG_INFO, "Configuration is using : %lu Bytes", mem_allocated);
/* Set static entries */
netlink_iplist(vrrp_data->static_addresses, IPADDRESS_ADD);
netlink_rtlist_ipv4(vrrp_data->static_routes, IPROUTE_ADD);
/* Dump configuration */
if (debug & 4) {
dump_global_data(data);
dump_vrrp_data(vrrp_data);
}
/* Initialize linkbeat */
init_interface_linkbeat();
/* Init & start the VRRP packet dispatcher */
thread_add_event(master, vrrp_dispatcher_init, NULL,
VRRP_DISPATCHER);
}
/* 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_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);
}
/* Daemon init sequence */
static void
start_vrrp(void)
{
/* Initialize sub-system */
init_interface_queue();
kernel_netlink_init();
gratuitous_arp_init();
ndisc_init();
/* Parse configuration file */
global_data = alloc_global_data();
vrrp_data = alloc_vrrp_data();
init_data(conf_file, vrrp_init_keywords);
if (!vrrp_data) {
stop_vrrp();
return;
}
init_global_data(global_data);
#ifdef _WITH_SNMP_
if (!reload && (global_data->enable_snmp_keepalived || global_data->enable_snmp_rfc)) {
vrrp_snmp_agent_init(global_data->snmp_socket);
#ifdef _WITH_SNMP_RFC_
vrrp_start_time = timer_now();
#endif
}
#endif
#ifdef _WITH_LVS_
if (vrrp_ipvs_needed()) {
/* Initialize ipvs related */
if (ipvs_start() != IPVS_SUCCESS) {
stop_vrrp();
return;
}
}
#endif
if (reload) {
clear_diff_saddresses();
clear_diff_srules();
clear_diff_sroutes();
clear_diff_vrrp();
clear_diff_script();
}
/* Complete VRRP initialization */
if (!vrrp_complete_init()) {
if (vrrp_ipvs_needed()) {
stop_vrrp();
}
return;
}
#ifdef _HAVE_LIBIPTC_
iptables_init();
#endif
/* Post initializations */
#ifdef _DEBUG_
log_message(LOG_INFO, "Configuration is using : %lu Bytes", mem_allocated);
#endif
/* Set static entries */
netlink_iplist(vrrp_data->static_addresses, IPADDRESS_ADD);
netlink_rulelist(vrrp_data->static_rules, IPRULE_ADD);
netlink_rtlist(vrrp_data->static_routes, IPROUTE_ADD);
/* Dump configuration */
if (__test_bit(DUMP_CONF_BIT, &debug)) {
dump_global_data(global_data);
dump_vrrp_data(vrrp_data);
}
/* Initialize linkbeat */
init_interface_linkbeat();
/* Init & start the VRRP packet dispatcher */
thread_add_event(master, vrrp_dispatcher_init, NULL,
VRRP_DISPATCHER);
}
/* Daemon init sequence */
static void
start_vrrp(void)
{
/* Initialize sub-system */
init_interface_queue();
kernel_netlink_init();
gratuitous_arp_init();
ndisc_init();
global_data = alloc_global_data();
#ifdef _HAVE_LIBIPTC_
iptables_init();
#endif
/* Parse configuration file */
vrrp_data = alloc_vrrp_data();
init_data(conf_file, vrrp_init_keywords);
if (!vrrp_data) {
stop_vrrp();
return;
}
init_global_data(global_data);
/* Set the process priority and non swappable if configured */
if (global_data->vrrp_process_priority)
set_process_priority(global_data->vrrp_process_priority);
if (global_data->vrrp_no_swap)
set_process_dont_swap(4096); /* guess a stack size to reserve */
#ifdef _WITH_SNMP_
if (!reload && (global_data->enable_snmp_keepalived || global_data->enable_snmp_rfcv2 || global_data->enable_snmp_rfcv3)) {
vrrp_snmp_agent_init(global_data->snmp_socket);
#ifdef _WITH_SNMP_RFC_
vrrp_start_time = timer_now();
#endif
}
#endif
#ifdef _WITH_LVS_
if (vrrp_ipvs_needed()) {
/* Initialize ipvs related */
if (ipvs_start() != IPVS_SUCCESS) {
stop_vrrp();
return;
}
#ifdef _HAVE_IPVS_SYNCD_
/* If we are managing the sync daemon, then stop any
* instances of it that may have been running if
* we terminated abnormally */
ipvs_syncd_cmd(IPVS_STOPDAEMON, NULL, IPVS_MASTER, 0, true);
ipvs_syncd_cmd(IPVS_STOPDAEMON, NULL, IPVS_BACKUP, 0, true);
#endif
}
#endif
if (reload) {
clear_diff_saddresses();
#ifdef _HAVE_FIB_ROUTING_
clear_diff_srules();
clear_diff_sroutes();
#endif
clear_diff_vrrp();
clear_diff_script();
}
else {
/* Clear leftover static entries */
netlink_iplist(vrrp_data->static_addresses, IPADDRESS_DEL);
#ifdef _HAVE_FIB_ROUTING_
netlink_rtlist(vrrp_data->static_routes, IPROUTE_DEL);
netlink_error_ignore = ENOENT;
netlink_rulelist(vrrp_data->static_rules, IPRULE_DEL, true);
netlink_error_ignore = 0;
#endif
}
/* Complete VRRP initialization */
if (!vrrp_complete_init()) {
if (vrrp_ipvs_needed()) {
stop_vrrp();
}
return;
}
#ifdef _HAVE_LIBIPTC_
iptables_startup();
#endif
/* Post initializations */
#ifdef _DEBUG_
log_message(LOG_INFO, "Configuration is using : %lu Bytes", mem_allocated);
#endif
/* Set static entries */
netlink_iplist(vrrp_data->static_addresses, IPADDRESS_ADD);
#ifdef _HAVE_FIB_ROUTING_
netlink_rtlist(vrrp_data->static_routes, IPROUTE_ADD);
netlink_rulelist(vrrp_data->static_rules, IPRULE_ADD, false);
#endif
/* Dump configuration */
if (__test_bit(DUMP_CONF_BIT, &debug)) {
list ifl;
dump_global_data(global_data);
dump_vrrp_data(vrrp_data);
ifl = get_if_list();
if (!LIST_ISEMPTY(ifl))
dump_list(ifl);
}
/* Initialize linkbeat */
init_interface_linkbeat();
/* Init & start the VRRP packet dispatcher */
thread_add_event(master, vrrp_dispatcher_init, NULL,
VRRP_DISPATCHER);
}