/* Entry point */
int
main(int argc, char **argv)
{
/* Init debugging level */
mem_allocated = 0;
debug = 0;
/*
* Parse command line and set debug level.
* bits 0..7 reserved by main.c
*/
parse_cmdline(argc, argv);
openlog(PROG, LOG_PID | ((debug & 1) ? LOG_CONS : 0), log_facility);
log_message(LOG_INFO, "Starting " VERSION_STRING);
/* Check if keepalived is already running */
if (keepalived_running(daemon_mode)) {
log_message(LOG_INFO, "daemon is already running");
goto end;
}
if (debug & 1)
enable_console_log();
/* daemonize process */
if (!(debug & 2))
xdaemon(0, 0, 0);
/* write the father's pidfile */
if (!pidfile_write(main_pidfile, getpid()))
goto end;
#ifndef _DEBUG_
/* Signal handling initialization */
signal_init();
#endif
/* Create the master thread */
master = thread_make_master();
/* Init daemon */
start_keepalived();
#ifndef _DEBUG_
/* Launch the scheduling I/O multiplexer */
launch_scheduler();
/* Finish daemon process */
stop_keepalived();
#endif
/*
* Reached when terminate signal catched.
* finally return from system
*/
end:
closelog();
exit(0);
}
int
main(int argc, char **argv)
{
thread thread_obj;
/* Allocate the room */
req = (REQ *) MALLOC(sizeof (REQ));
/* Command line parser */
if (!parse_cmdline(argc, argv, req)) {
FREE(req);
exit(0);
}
/* Check minimum configuration need */
if (!req->addr_ip && !req->addr_port && !req->url) {
FREE(req);
exit(0);
}
/* Init the reference timer */
req->ref_time = timer_tol(timer_now());
DBG("Reference timer = %lu\n", req->ref_time);
/* Init SSL context */
init_ssl();
/* Signal handling initialization */
signal_init();
/* Create the master thread */
master = thread_make_master();
/* Register the GET request */
init_sock();
/*
* Processing the master thread queues,
* return and execute one ready thread.
* Run until error, used for debuging only.
* Note that not calling launch_scheduler() does
* not activate SIGCHLD handling, however, this
* is no issue here.
*/
while (thread_fetch(master, &thread_obj))
thread_call(&thread_obj);
/* Finalize output informations */
if (req->verbose)
printf("Global response time for [%s] =%lu\n",
req->url, req->response_time - req->ref_time);
/* exit cleanly */
SSL_CTX_free(req->ctx);
free_sock(sock);
FREE(req);
exit(0);
}
/* Reload thread */
int
reload_vrrp_thread(thread * thread_obj)
{
/* set the reloading flag */
SET_RELOAD;
SYS_VRRP_LOG_INFO("VRRP configure have been reload.");
/* Close sockpool */
free_vrrp_sockpool(vrrp_data);
/* Signal handling */
signal_reset();
signal_set(SIGHUP, sighup_vrrp, NULL);
signal_set(SIGINT, sigend_vrrp, NULL);
signal_set(SIGTERM, sigend_vrrp, NULL);
signal_ignore(SIGPIPE);
/* Destroy master thread */
thread_destroy_master(master);
master = thread_make_master();
free_global_data(data);
/* add by zhouben */
backup_if_queue();
kernel_netlink_close();
free_vrrp_buffer();
gratuitous_arp_close();
ndisc_close();
vrrp_trackip_close();
/* Save previous conf data */
old_vrrp_data = vrrp_data;
vrrp_data = NULL;
#ifdef _WITH_LVS_
/* Clean ipvs related */
//ipvs_stop();
#endif
/* Reload the conf */
mem_allocated = 0;
vrrp_signal_init();
signal_set(SIGCHLD, thread_child_handler, master);
start_vrrp();
/* free backup data */
free_old_interface_queue_only();
free_vrrp_data(old_vrrp_data);
UNSET_RELOAD;
/*end of reload, store the state to file*/
reloading = 0;
vrrp_state_store();
return 0;
}
/* Reload thread */
int
reload_vrrp_thread(thread_t * thread)
{
/* set the reloading flag */
SET_RELOAD;
/* Signal handling */
signal_handler_reset();
/* Destroy master thread */
vrrp_dispatcher_release(vrrp_data);
kernel_netlink_close();
thread_destroy_master(master);
master = thread_make_master();
free_global_data(global_data);
free_interface_queue();
free_vrrp_buffer();
gratuitous_arp_close();
ndisc_close();
#ifdef _WITH_LVS_
if (vrrp_ipvs_needed()) {
/* Clean ipvs related */
ipvs_stop();
}
#endif
/* Save previous conf data */
old_vrrp_data = vrrp_data;
vrrp_data = NULL;
/* Reload the conf */
#ifdef _DEBUG_
mem_allocated = 0;
#endif
vrrp_signal_init();
signal_set(SIGCHLD, thread_child_handler, master);
start_vrrp();
/* free backup data */
free_vrrp_data(old_vrrp_data);
UNSET_RELOAD;
return 0;
}
/* Reload thread */
int
reload_check_thread(thread_t * thread)
{
/* set the reloading flag */
SET_RELOAD;
log_message(LOG_INFO, "Got SIGHUP, reloading checker configuration");
/* Signals handling */
signal_handler_reset();
/* Destroy master thread */
#ifdef _WITH_VRRP_
kernel_netlink_close();
#endif
thread_destroy_master(master);
master = thread_make_master();
free_global_data(global_data);
free_checkers_queue();
#ifdef _WITH_VRRP_
free_interface_queue();
#endif
free_ssl();
ipvs_stop();
/* Save previous conf data */
old_check_data = check_data;
check_data = NULL;
/* Reload the conf */
#ifdef _DEBUG_
mem_allocated = 0;
#endif
check_signal_init();
signal_set(SIGCHLD, thread_child_handler, master);
start_check();
/* free backup data */
free_check_data(old_check_data);
UNSET_RELOAD;
return 0;
}
/* Reload thread */
int
reload_vrrp_thread(thread_t * thread)
{
/* set the reloading flag */
SET_RELOAD;
/* Close sockpool */
free_vrrp_sockpool(vrrp_data);
/* Signal handling */
signal_reset();
signal_handler_destroy();
/* Destroy master thread */
thread_destroy_master(master);
master = thread_make_master();
free_global_data(data);
free_interface_queue();
free_vrrp_buffer();
gratuitous_arp_close();
ndisc_close();
/* Save previous conf data */
old_vrrp_data = vrrp_data;
vrrp_data = NULL;
#ifdef _WITH_LVS_
/* Clean ipvs related */
ipvs_stop();
#endif
/* Reload the conf */
mem_allocated = 0;
vrrp_signal_init();
signal_set(SIGCHLD, thread_child_handler, master);
start_vrrp();
/* free backup data */
free_vrrp_data(old_vrrp_data);
UNSET_RELOAD;
return 0;
}
/* Reload thread */
int
reload_check_thread(thread_t * thread)
{
/* set the reloading flag */
SET_RELOAD;
/* Signals handling */
signal_reset();
signal_handler_destroy();
/* Destroy master thread */
thread_destroy_master(master);
master = thread_make_master();
free_global_data(data);
free_checkers_queue();
#ifdef _WITH_VRRP_
free_interface_queue();
#endif
free_ssl();
ipvs_stop();
/* Save previous conf data */
old_check_data = check_data;
check_data = NULL;
/* Reload the conf */
mem_allocated = 0;
check_signal_init();
signal_set(SIGCHLD, thread_child_handler, master);
start_check();
/* free backup data */
free_check_data(old_check_data);
UNSET_RELOAD;
return 0;
}
/* Register CHECK thread */
int
start_check_child(void)
{
#ifndef _DEBUG_
pid_t pid;
int ret;
char *syslog_ident;
/* Initialize child process */
pid = fork();
if (pid < 0) {
log_message(LOG_INFO, "Healthcheck child process: fork error(%s)"
, strerror(errno));
return -1;
} else if (pid) {
checkers_child = pid;
log_message(LOG_INFO, "Starting Healthcheck child process, pid=%d"
, pid);
/* Start respawning thread */
thread_add_child(master, check_respawn_thread, NULL,
pid, RESPAWN_TIMER);
return 0;
}
if ((instance_name
#if HAVE_DECL_CLONE_NEWNET
|| network_namespace
#endif
) &&
(check_syslog_ident = make_syslog_ident(PROG_CHECK)))
syslog_ident = check_syslog_ident;
else
syslog_ident = PROG_CHECK;
/* Opening local CHECK syslog channel */
openlog(syslog_ident, LOG_PID | ((__test_bit(LOG_CONSOLE_BIT, &debug)) ? LOG_CONS : 0)
, (log_facility==LOG_DAEMON) ? LOG_LOCAL2 : log_facility);
#ifdef _MEM_CHECK_
mem_log_init(PROG_CHECK, "Healthcheck child process");
#endif
free_parent_mallocs_startup(true);
/* Child process part, write pidfile */
if (!pidfile_write(checkers_pidfile, getpid())) {
log_message(LOG_INFO, "Healthcheck child process: cannot write pidfile");
exit(KEEPALIVED_EXIT_FATAL);
}
/* Create the new master thread */
signal_handler_destroy();
thread_destroy_master(master); /* This destroys any residual settings from the parent */
master = thread_make_master();
/* change to / dir */
ret = chdir("/");
if (ret < 0) {
log_message(LOG_INFO, "Healthcheck 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 */
check_signal_init();
/* Start Healthcheck daemon */
start_check();
/* Launch the scheduling I/O multiplexer */
launch_scheduler();
/* Finish healthchecker daemon process */
stop_check(EXIT_SUCCESS);
/* unreachable */
exit(EXIT_SUCCESS);
}
/* 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);
}
/* Entry point */
int
main(int argc, char **argv)
{
int report_stopped = true;
/* Init debugging level */
debug = 0;
/* Initialise daemon_mode */
__set_bit(DAEMON_VRRP, &daemon_mode);
__set_bit(DAEMON_CHECKERS, &daemon_mode);
/*
* Parse command line and set debug level.
* bits 0..7 reserved by main.c
*/
parse_cmdline(argc, argv);
openlog(PROG, LOG_PID | ((__test_bit(LOG_CONSOLE_BIT, &debug)) ? LOG_CONS : 0)
, log_facility);
#ifdef GIT_COMMIT
log_message(LOG_INFO, "Starting %s, git commit %s", VERSION_STRING, GIT_COMMIT);
#else
log_message(LOG_INFO, "Starting %s", VERSION_STRING);
#endif
/* Check if keepalived is already running */
if (keepalived_running(daemon_mode)) {
log_message(LOG_INFO, "daemon is already running");
report_stopped = false;
goto end;
}
if (__test_bit(LOG_CONSOLE_BIT, &debug))
enable_console_log();
/* daemonize process */
if (!__test_bit(DONT_FORK_BIT, &debug))
xdaemon(0, 0, 0);
/* write the father's pidfile */
if (!pidfile_write(main_pidfile, getpid()))
goto end;
#ifndef _DEBUG_
/* Signal handling initialization */
signal_init();
#endif
/* Create the master thread */
master = thread_make_master();
/* Init daemon */
start_keepalived();
#ifndef _DEBUG_
/* Launch the scheduling I/O multiplexer */
launch_scheduler();
/* Finish daemon process */
stop_keepalived();
#endif
/*
* Reached when terminate signal catched.
* finally return from system
*/
end:
if (report_stopped) {
#ifdef GIT_COMMIT
log_message(LOG_INFO, "Stopped %s, git commit %s", VERSION_STRING, GIT_COMMIT);
#else
log_message(LOG_INFO, "Stopped %s", VERSION_STRING);
#endif
}
closelog();
exit(0);
}
/* Entry point */
int
main(int argc, char **argv)
{
int report_stopped = true;
/* Init debugging level */
debug = 0;
/* Initialise daemon_mode */
__set_bit(DAEMON_VRRP, &daemon_mode);
__set_bit(DAEMON_CHECKERS, &daemon_mode);
/*
* Parse command line and set debug level.
* bits 0..7 reserved by main.c
*/
parse_cmdline(argc, argv);
openlog(PROG, LOG_PID | ((__test_bit(LOG_CONSOLE_BIT, &debug)) ? LOG_CONS : 0)
, log_facility);
#ifdef GIT_COMMIT
log_message(LOG_INFO, "Starting %s, git commit %s", VERSION_STRING, GIT_COMMIT);
#else
log_message(LOG_INFO, "Starting %s", VERSION_STRING);
#endif
#ifdef _MEM_CHECK_
mem_log_init(PROG);
#endif
/* Handle any core file requirements */
core_dump_init();
/* Check if keepalived is already running */
if (keepalived_running(daemon_mode)) {
log_message(LOG_INFO, "daemon is already running");
report_stopped = false;
goto end;
}
if (__test_bit(LOG_CONSOLE_BIT, &debug))
enable_console_log();
/* daemonize process */
if (!__test_bit(DONT_FORK_BIT, &debug))
xdaemon(0, 0, 0);
/* Check we can read the configuration file(s).
NOTE: the working directory will be / if we
forked, but will be the current working directory
when keepalived was run if we haven't forked.
This means that if any config file names are not
absolute file names, the behaviour will be different
depending on whether we forked or not. */
if (!check_conf_file(conf_file))
goto end;
/* write the father's pidfile */
if (!pidfile_write(main_pidfile, getpid()))
goto end;
#ifndef _DEBUG_
/* Signal handling initialization */
signal_init();
#endif
/* Create the master thread */
master = thread_make_master();
/* Init daemon */
start_keepalived();
#ifndef _DEBUG_
/* Launch the scheduling I/O multiplexer */
launch_scheduler();
/* Finish daemon process */
stop_keepalived();
#endif
/*
* Reached when terminate signal catched.
* finally return from system
*/
end:
if (report_stopped) {
#ifdef GIT_COMMIT
log_message(LOG_INFO, "Stopped %s, git commit %s", VERSION_STRING, GIT_COMMIT);
#else
log_message(LOG_INFO, "Stopped %s", VERSION_STRING);
#endif
}
/* Restore original core_pattern if necessary */
if (orig_core_dump_pattern)
update_core_dump_pattern(orig_core_dump_pattern);
closelog();
exit(0);
}
/* Command line parser */
static void
parse_cmdline(int argc, char **argv)
{
int c;
struct option long_options[] = {
{"use-file", required_argument, 0, 'f'},
{"vrrp", no_argument, 0, 'P'},
{"check", no_argument, 0, 'C'},
{"log-console", no_argument, 0, 'l'},
{"log-detail", no_argument, 0, 'D'},
{"log-facility", required_argument, 0, 'S'},
{"release-vips", no_argument, 0, 'X'},
{"dont-release-vrrp", no_argument, 0, 'V'},
{"dont-release-ipvs", no_argument, 0, 'I'},
{"dont-respawn", no_argument, 0, 'R'},
{"dont-fork", no_argument, 0, 'n'},
{"dump-conf", no_argument, 0, 'd'},
{"pid", required_argument, 0, 'p'},
{"vrrp_pid", required_argument, 0, 'r'},
{"checkers_pid", required_argument, 0, 'c'},
#ifdef _WITH_SNMP_
{"snmp", no_argument, 0, 'x'},
#endif
{"version", no_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0}
};
#ifdef _WITH_SNMP_
while ((c = getopt_long(argc, argv, "vhlndVIDRS:f:PCp:c:r:x", long_options, NULL)) != EOF) {
#else
while ((c = getopt_long(argc, argv, "vhlndVIDRS:f:PCp:c:r:", long_options, NULL)) != EOF) {
#endif
switch (c) {
case 'v':
fprintf(stderr, VERSION_STRING);
exit(0);
break;
case 'h':
usage(argv[0]);
exit(0);
break;
case 'l':
debug |= DBG_OPT_LOG_CONSOLE;
break;
case 'n':
debug |= DBG_OPT_DONT_FORK;
break;
case 'd':
debug |= DBG_OPT_DUMP_CONF;
break;
case 'V':
debug |= DBG_OPT_DONT_RELEASE_VRRP;
break;
case 'I':
debug |= DBG_OPT_DONT_RELEASE_IPVS;
break;
case 'D':
debug |= DBG_OPT_LOG_DETAIL;
break;
case 'R':
debug |= DBG_OPT_DONT_RESPAWN;
break;
case 'X':
debug |= DBG_OPT_RELEASE_VIPS;
break;
case 'S':
log_facility = LOG_FACILITY[atoi(optarg)].facility;
break;
case 'f':
conf_file = optarg;
break;
case 'P':
daemon_mode |= 1;
break;
case 'C':
daemon_mode |= 2;
break;
case 'p':
main_pidfile = optarg;
break;
case 'c':
checkers_pidfile = optarg;
break;
case 'r':
vrrp_pidfile = optarg;
break;
#ifdef _WITH_SNMP_
case 'x':
snmp = 1;
break;
#endif
default:
exit(0);
break;
}
}
if (optind < argc) {
printf("Unexpected argument(s): ");
while (optind < argc)
printf("%s ", argv[optind++]);
printf("\n");
}
}
/* Entry point */
int
main(int argc, char **argv)
{
/* Init debugging level */
mem_allocated = 0;
debug = 0;
/*
* Parse command line and set debug level.
* bits 0..7 reserved by main.c
*/
parse_cmdline(argc, argv);
openlog(PROG, LOG_PID | ((debug & DBG_OPT_LOG_CONSOLE) ? LOG_CONS : 0),
log_facility);
log_message(LOG_INFO, "Starting " VERSION_STRING);
/* Check if keepalived is already running */
if (keepalived_running(daemon_mode)) {
log_message(LOG_INFO, "daemon is already running");
goto end;
}
if (debug & DBG_OPT_LOG_CONSOLE)
enable_console_log();
/* daemonize process */
if (!(debug & DBG_OPT_DONT_FORK))
xdaemon(0, 0, 0);
/* write the father's pidfile */
if (!pidfile_write(main_pidfile, getpid()))
goto end;
#ifndef _DEBUG_
/* Signal handling initialization */
signal_init();
#endif
/* Create the master thread */
master = thread_make_master();
/* Init daemon */
start_keepalived();
#ifndef _DEBUG_
/* Launch the scheduling I/O multiplexer */
launch_scheduler();
/* Finish daemon process */
stop_keepalived();
#endif
/*
* Reached when terminate signal catched.
* finally return from system
*/
end:
closelog();
exit(0);
}
