Example #1
0
/* Daemon init sequence */
static void
start_check(void)
{
	/* Initialize sub-system */
	if (ipvs_start() != IPVS_SUCCESS) {
		stop_check(KEEPALIVED_EXIT_FATAL);
		return;
	}

	init_checkers_queue();
#ifdef _WITH_VRRP_
	init_interface_queue();
	kernel_netlink_init();
#endif

	/* Parse configuration file */
	global_data = alloc_global_data();
	check_data = alloc_check_data();
	if (!check_data)
		stop_check(KEEPALIVED_EXIT_FATAL);

	init_data(conf_file, check_init_keywords);

	init_global_data(global_data);

	/* Post initializations */
#ifdef _MEM_CHECK_
	log_message(LOG_INFO, "Configuration is using : %zu Bytes", mem_allocated);
#endif

	/* Remove any entries left over from previous invocation */
	if (!reload && global_data->lvs_flush)
		ipvs_flush_cmd();

#ifdef _WITH_SNMP_CHECKER_
	if (!reload && global_data->enable_snmp_checker)
		check_snmp_agent_init(global_data->snmp_socket);
#endif

	/* SSL load static data & initialize common ctx context */
	if (!init_ssl_ctx())
		stop_check(KEEPALIVED_EXIT_FATAL);

	/* fill 'vsg' members of the virtual_server_t structure.
	 * We must do that after parsing config, because
	 * vs and vsg declarations may appear in any order
	 */
	link_vsg_to_vs();

	/* Set the process priority and non swappable if configured */
	if (global_data->checker_process_priority)
		set_process_priority(global_data->checker_process_priority);

	if (global_data->checker_no_swap)
		set_process_dont_swap(4096);	/* guess a stack size to reserve */

	/* Processing differential configuration parsing */
	if (reload)
		clear_diff_services();

	/* Initialize IPVS topology */
	if (!init_services())
		stop_check(KEEPALIVED_EXIT_FATAL);

	/* Dump configuration */
	if (__test_bit(DUMP_CONF_BIT, &debug)) {
		dump_global_data(global_data);
		dump_check_data(check_data);
	}

#ifdef _WITH_VRRP_
	/* Initialize linkbeat */
	init_interface_linkbeat();
#endif

	/* Register checkers thread */
	register_checkers_thread();
}
Example #2
0
/* 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);
}