/* 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);
}
/* Register VRRP thread */
int
start_vrrp_child(void)
{
#ifndef _DEBUG_
pid_t pid;
int ret;
/* Initialize child process */
pid = fork();
if (pid < 0) {
log_message(LOG_INFO, "VRRP child process: fork error(%s)"
, strerror(errno));
return -1;
} else if (pid) {
vrrp_child = pid;
log_message(LOG_INFO, "Starting VRRP child process, pid=%d"
, pid);
/* Start respawning thread */
thread_add_child(master, vrrp_respawn_thread, NULL,
pid, RESPAWN_TIMER);
return 0;
}
signal_handler_destroy();
/* Opening local VRRP syslog channel */
openlog(PROG_VRRP, LOG_PID | ((__test_bit(LOG_CONSOLE_BIT, &debug)) ? LOG_CONS : 0)
, (log_facility==LOG_DAEMON) ? LOG_LOCAL1 : log_facility);
/* Child process part, write pidfile */
if (!pidfile_write(vrrp_pidfile, getpid())) {
/* Fatal error */
log_message(LOG_INFO, "VRRP child process: cannot write pidfile");
exit(0);
}
/* Create the new master thread */
thread_destroy_master(master);
master = thread_make_master();
/* change to / dir */
ret = chdir("/");
if (ret < 0) {
log_message(LOG_INFO, "VRRP child process: error chdir");
}
/* Set mask */
umask(0);
#endif
/* If last process died during a reload, we can get there and we
* don't want to loop again, because we're not reloading anymore.
*/
UNSET_RELOAD;
/* Signal handling initialization */
vrrp_signal_init();
/* Start VRRP daemon */
start_vrrp();
/* Launch the scheduling I/O multiplexer */
launch_scheduler();
/* Finish VRRP daemon process */
stop_vrrp();
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);
}
