static int corosync_main_config_read_logging (
const char **error_string)
{
const char *error_reason;
#ifdef LOGCONFIG_USE_ICMAP
icmap_iter_t iter;
const char *key_name;
#else
cmap_iter_handle_t iter;
char key_name[CMAP_KEYNAME_MAXLEN];
#endif
char key_subsys[MAP_KEYNAME_MAXLEN];
char key_item[MAP_KEYNAME_MAXLEN];
int res;
/* format set is supported only for toplevel */
if (corosync_main_config_format_set(&error_reason) < 0) {
goto parse_error;
}
if (corosync_main_config_set ("logging", NULL, &error_reason) < 0) {
goto parse_error;
}
/*
* we will need 2 of these to compensate for new logging
* config format
*/
#ifdef LOGCONFIG_USE_ICMAP
iter = icmap_iter_init("logging.logger_subsys.");
while ((key_name = icmap_iter_next(iter, NULL, NULL)) != NULL) {
#else
cmap_iter_init(cmap_handle, "logging.logger_subsys.", &iter);
while ((cmap_iter_next(cmap_handle, iter, key_name, NULL, NULL)) == CS_OK) {
#endif
res = sscanf(key_name, "logging.logger_subsys.%[^.].%s", key_subsys, key_item);
if (res != 2) {
continue ;
}
if (strcmp(key_item, "subsys") != 0) {
continue ;
}
snprintf(key_item, MAP_KEYNAME_MAXLEN, "logging.logger_subsys.%s", key_subsys);
if (corosync_main_config_set(key_item, key_subsys, &error_reason) < 0) {
goto parse_error;
}
}
#ifdef LOGCONFIG_USE_ICMAP
icmap_iter_finalize(iter);
#else
cmap_iter_finalize(cmap_handle, iter);
#endif
logsys_config_apply();
return 0;
parse_error:
*error_string = error_reason;
return (-1);
}
#ifdef LOGCONFIG_USE_ICMAP
static void main_logging_notify(
int32_t event,
const char *key_name,
struct icmap_notify_value new_val,
struct icmap_notify_value old_val,
void *user_data)
#else
static void main_logging_notify(
cmap_handle_t cmap_handle_unused,
cmap_handle_t cmap_track_handle_unused,
int32_t event,
const char *key_name,
struct cmap_notify_value new_val,
struct cmap_notify_value old_val,
void *user_data)
#endif
{
const char *error_string;
static int reload_in_progress = 0;
/* If a full reload happens then suspend updates for individual keys until
* it's all completed
*/
if (strcmp(key_name, "config.reload_in_progress") == 0) {
if (*(uint8_t *)new_val.data == 1) {
reload_in_progress = 1;
} else {
reload_in_progress = 0;
}
}
if (reload_in_progress) {
log_printf(LOGSYS_LEVEL_DEBUG, "Ignoring key change, reload in progress. %s\n", key_name);
return;
}
/*
* Reload the logsys configuration
*/
if (logsys_format_set(NULL) == -1) {
fprintf (stderr, "Unable to setup logging format.\n");
}
corosync_main_config_read_logging(&error_string);
}
#ifdef LOGCONFIG_USE_ICMAP
static void add_logsys_config_notification(void)
{
icmap_track_t icmap_track = NULL;
icmap_track_add("logging.",
ICMAP_TRACK_ADD | ICMAP_TRACK_DELETE | ICMAP_TRACK_MODIFY | ICMAP_TRACK_PREFIX,
main_logging_notify,
NULL,
&icmap_track);
icmap_track_add("config.reload_in_progress",
ICMAP_TRACK_ADD | ICMAP_TRACK_MODIFY,
main_logging_notify,
NULL,
&icmap_track);
}
int main (int argc, char **argv, char **envp)
{
const char *error_string;
struct totem_config totem_config;
hdb_handle_t objdb_handle;
hdb_handle_t config_handle;
unsigned int config_version = 0;
void *objdb_p;
struct config_iface_ver0 *config;
void *config_p;
const char *config_iface_init;
char *config_iface;
char *iface;
char *strtok_save_pt;
int res, ch;
int background, setprio;
struct stat stat_out;
char corosync_lib_dir[PATH_MAX];
hdb_handle_t object_runtime_handle;
enum e_ais_done flock_err;
/* default configuration
*/
background = 1;
setprio = 0;
while ((ch = getopt (argc, argv, "fprv")) != EOF) {
switch (ch) {
case 'f':
background = 0;
logsys_config_mode_set (NULL, LOGSYS_MODE_OUTPUT_STDERR|LOGSYS_MODE_THREADED|LOGSYS_MODE_FORK);
break;
case 'p':
break;
case 'r':
setprio = 1;
break;
case 'v':
printf ("Corosync Cluster Engine, version '%s'\n", VERSION);
printf ("Copyright (c) 2006-2009 Red Hat, Inc.\n");
return EXIT_SUCCESS;
break;
default:
fprintf(stderr, \
"usage:\n"\
" -f : Start application in foreground.\n"\
" -p : Does nothing. \n"\
" -r : Set round robin realtime scheduling \n"\
" -v : Display version and SVN revision of Corosync and exit.\n");
return EXIT_FAILURE;
}
}
/*
* Set round robin realtime scheduling with priority 99
* Lock all memory to avoid page faults which may interrupt
* application healthchecking
*/
if (setprio) {
corosync_setscheduler ();
}
corosync_mlockall ();
log_printf (LOGSYS_LEVEL_NOTICE, "Corosync Cluster Engine ('%s'): started and ready to provide service.\n", VERSION);
log_printf (LOGSYS_LEVEL_INFO, "Corosync built-in features:" PACKAGE_FEATURES "\n");
corosync_poll_handle = qb_loop_create ();
qb_loop_signal_add(corosync_poll_handle, QB_LOOP_LOW,
SIGUSR2, NULL, sig_diag_handler, NULL);
qb_loop_signal_add(corosync_poll_handle, QB_LOOP_HIGH,
SIGINT, NULL, sig_exit_handler, NULL);
qb_loop_signal_add(corosync_poll_handle, QB_LOOP_HIGH,
SIGQUIT, NULL, sig_exit_handler, NULL);
qb_loop_signal_add(corosync_poll_handle, QB_LOOP_HIGH,
SIGTERM, NULL, sig_exit_handler, NULL);
(void)signal (SIGSEGV, sigsegv_handler);
(void)signal (SIGABRT, sigabrt_handler);
#if MSG_NOSIGNAL != 0
(void)signal (SIGPIPE, SIG_IGN);
#endif
/*
* Load the object database interface
*/
res = lcr_ifact_reference (
&objdb_handle,
"objdb",
0,
&objdb_p,
0);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "Corosync Executive couldn't open configuration object database component.\n");
corosync_exit_error (AIS_DONE_OBJDB);
}
objdb = (struct objdb_iface_ver0 *)objdb_p;
objdb->objdb_init ();
/*
* Initialize the corosync_api_v1 definition
*/
apidef_init (objdb);
api = apidef_get ();
num_config_modules = 0;
/*
* Bootstrap in the default configuration parser or use
* the corosync default built in parser if the configuration parser
* isn't overridden
*/
config_iface_init = getenv("COROSYNC_DEFAULT_CONFIG_IFACE");
if (!config_iface_init) {
config_iface_init = "corosync_parser";
}
/* Make a copy so we can deface it with strtok */
if ((config_iface = strdup(config_iface_init)) == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "exhausted virtual memory");
corosync_exit_error (AIS_DONE_OBJDB);
}
iface = strtok_r(config_iface, ":", &strtok_save_pt);
while (iface)
{
res = lcr_ifact_reference (
&config_handle,
iface,
config_version,
&config_p,
0);
config = (struct config_iface_ver0 *)config_p;
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "Corosync Executive couldn't open configuration component '%s'\n", iface);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
res = config->config_readconfig(objdb, &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
log_printf (LOGSYS_LEVEL_NOTICE, "%s", error_string);
config_modules[num_config_modules++] = config;
iface = strtok_r(NULL, ":", &strtok_save_pt);
}
free(config_iface);
res = corosync_main_config_read (objdb, &error_string);
if (res == -1) {
/*
* if we are here, we _must_ flush the logsys queue
* and try to inform that we couldn't read the config.
* this is a desperate attempt before certain death
* and there is no guarantee that we can print to stderr
* nor that logsys is sending the messages where we expect.
*/
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
fprintf(stderr, "%s", error_string);
syslog (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
/*
* Make sure required directory is present
*/
sprintf (corosync_lib_dir, "%s/lib/corosync", LOCALSTATEDIR);
res = stat (corosync_lib_dir, &stat_out);
if ((res == -1) || (res == 0 && !S_ISDIR(stat_out.st_mode))) {
log_printf (LOGSYS_LEVEL_ERROR, "Required directory not present %s. Please create it.\n", corosync_lib_dir);
corosync_exit_error (AIS_DONE_DIR_NOT_PRESENT);
}
res = totem_config_read (objdb, &totem_config, &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
res = totem_config_keyread (objdb, &totem_config, &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
res = totem_config_validate (&totem_config, &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
totem_config.totem_logging_configuration = totem_logging_configuration;
totem_config.totem_logging_configuration.log_subsys_id = _logsys_subsys_create("TOTEM", "totem");
totem_config.totem_logging_configuration.log_level_security = LOGSYS_LEVEL_WARNING;
totem_config.totem_logging_configuration.log_level_error = LOGSYS_LEVEL_ERROR;
totem_config.totem_logging_configuration.log_level_warning = LOGSYS_LEVEL_WARNING;
totem_config.totem_logging_configuration.log_level_notice = LOGSYS_LEVEL_NOTICE;
totem_config.totem_logging_configuration.log_level_debug = LOGSYS_LEVEL_DEBUG;
totem_config.totem_logging_configuration.log_printf = _logsys_log_printf;
logsys_config_apply();
res = corosync_main_config_compatibility_read (objdb,
&minimum_sync_mode,
&error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
/* create the main runtime object */
objdb->object_create (OBJECT_PARENT_HANDLE,
&object_runtime_handle,
"runtime", strlen ("runtime"));
/*
* Now we are fully initialized.
*/
if (background) {
corosync_tty_detach ();
}
qb_log_thread_start();
if ((flock_err = corosync_flock (corosync_lock_file, getpid ())) != AIS_DONE_EXIT) {
corosync_exit_error (flock_err);
}
/*
* if totempg_initialize doesn't have root priveleges, it cannot
* bind to a specific interface. This only matters if
* there is more then one interface in a system, so
* in this case, only a warning is printed
*/
/*
* Join multicast group and setup delivery
* and configuration change functions
*/
totempg_initialize (
corosync_poll_handle,
&totem_config);
totempg_service_ready_register (
main_service_ready);
totempg_groups_initialize (
&corosync_group_handle,
deliver_fn,
confchg_fn);
totempg_groups_join (
corosync_group_handle,
&corosync_group,
1);
/*
* Drop root privleges to user 'ais'
* TODO: Don't really need full root capabilities;
* needed capabilities are:
* CAP_NET_RAW (bindtodevice)
* CAP_SYS_NICE (setscheduler)
* CAP_IPC_LOCK (mlockall)
*/
priv_drop ();
schedwrk_init (
serialize_lock,
serialize_unlock);
/*
* Start main processing loop
*/
qb_loop_run (corosync_poll_handle);
/*
* Exit was requested
*/
totempg_finalize ();
/*
* Remove pid lock file
*/
unlink (corosync_lock_file);
corosync_exit_error (AIS_DONE_EXIT);
return EXIT_SUCCESS;
}
int main (int argc, char **argv, char **envp)
{
const char *error_string;
struct totem_config totem_config;
int res, ch;
int background, setprio;
struct stat stat_out;
char corosync_lib_dir[PATH_MAX];
enum e_corosync_done flock_err;
uint64_t totem_config_warnings;
struct scheduler_pause_timeout_data scheduler_pause_timeout_data;
/* default configuration
*/
background = 1;
setprio = 0;
while ((ch = getopt (argc, argv, "fprv")) != EOF) {
switch (ch) {
case 'f':
background = 0;
break;
case 'p':
break;
case 'r':
setprio = 1;
break;
case 'v':
printf ("Corosync Cluster Engine, version '%s'\n", VERSION);
printf ("Copyright (c) 2006-2009 Red Hat, Inc.\n");
return EXIT_SUCCESS;
break;
default:
fprintf(stderr, \
"usage:\n"\
" -f : Start application in foreground.\n"\
" -p : Does nothing. \n"\
" -r : Set round robin realtime scheduling \n"\
" -v : Display version and SVN revision of Corosync and exit.\n");
return EXIT_FAILURE;
}
}
/*
* Set round robin realtime scheduling with priority 99
* Lock all memory to avoid page faults which may interrupt
* application healthchecking
*/
if (setprio) {
corosync_setscheduler ();
}
corosync_mlockall ();
/*
* Other signals are registered later via qb_loop_signal_add
*/
(void)signal (SIGSEGV, sigsegv_handler);
(void)signal (SIGABRT, sigabrt_handler);
#if MSG_NOSIGNAL != 0
(void)signal (SIGPIPE, SIG_IGN);
#endif
if (icmap_init() != CS_OK) {
log_printf (LOGSYS_LEVEL_ERROR, "Corosync Executive couldn't initialize configuration component.");
corosync_exit_error (COROSYNC_DONE_ICMAP);
}
set_icmap_ro_keys_flag();
/*
* Initialize the corosync_api_v1 definition
*/
api = apidef_get ();
res = coroparse_configparse(icmap_get_global_map(), &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (COROSYNC_DONE_MAINCONFIGREAD);
}
res = corosync_log_config_read (&error_string);
if (res == -1) {
/*
* if we are here, we _must_ flush the logsys queue
* and try to inform that we couldn't read the config.
* this is a desperate attempt before certain death
* and there is no guarantee that we can print to stderr
* nor that logsys is sending the messages where we expect.
*/
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
fprintf(stderr, "%s", error_string);
syslog (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (COROSYNC_DONE_LOGCONFIGREAD);
}
log_printf (LOGSYS_LEVEL_NOTICE, "Corosync Cluster Engine ('%s'): started and ready to provide service.", VERSION);
log_printf (LOGSYS_LEVEL_INFO, "Corosync built-in features:" PACKAGE_FEATURES "");
/*
* Make sure required directory is present
*/
sprintf (corosync_lib_dir, "%s/lib/corosync", LOCALSTATEDIR);
res = stat (corosync_lib_dir, &stat_out);
if ((res == -1) || (res == 0 && !S_ISDIR(stat_out.st_mode))) {
log_printf (LOGSYS_LEVEL_ERROR, "Required directory not present %s. Please create it.", corosync_lib_dir);
corosync_exit_error (COROSYNC_DONE_DIR_NOT_PRESENT);
}
res = totem_config_read (&totem_config, &error_string, &totem_config_warnings);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (COROSYNC_DONE_MAINCONFIGREAD);
}
if (totem_config_warnings & TOTEM_CONFIG_WARNING_MEMBERS_IGNORED) {
log_printf (LOGSYS_LEVEL_WARNING, "member section is used together with nodelist. Members ignored.");
}
if (totem_config_warnings & TOTEM_CONFIG_WARNING_MEMBERS_DEPRECATED) {
log_printf (LOGSYS_LEVEL_WARNING, "member section is deprecated.");
}
if (totem_config_warnings & TOTEM_CONFIG_WARNING_TOTEM_NODEID_IGNORED) {
log_printf (LOGSYS_LEVEL_WARNING, "nodeid appears both in totem section and nodelist. Nodelist one is used.");
}
if (totem_config_warnings != 0) {
log_printf (LOGSYS_LEVEL_WARNING, "Please migrate config file to nodelist.");
}
res = totem_config_keyread (&totem_config, &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (COROSYNC_DONE_MAINCONFIGREAD);
}
res = totem_config_validate (&totem_config, &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (COROSYNC_DONE_MAINCONFIGREAD);
}
ip_version = totem_config.ip_version;
totem_config.totem_logging_configuration = totem_logging_configuration;
totem_config.totem_logging_configuration.log_subsys_id = _logsys_subsys_create("TOTEM", "totem,"
"totemmrp.c,totemrrp.c,totemip.c,totemconfig.c,totemcrypto.c,totemsrp.c,"
"totempg.c,totemiba.c,totemudp.c,totemudpu.c,totemnet.c");
totem_config.totem_logging_configuration.log_level_security = LOGSYS_LEVEL_WARNING;
totem_config.totem_logging_configuration.log_level_error = LOGSYS_LEVEL_ERROR;
totem_config.totem_logging_configuration.log_level_warning = LOGSYS_LEVEL_WARNING;
totem_config.totem_logging_configuration.log_level_notice = LOGSYS_LEVEL_NOTICE;
totem_config.totem_logging_configuration.log_level_debug = LOGSYS_LEVEL_DEBUG;
totem_config.totem_logging_configuration.log_level_trace = LOGSYS_LEVEL_TRACE;
totem_config.totem_logging_configuration.log_printf = _logsys_log_printf;
logsys_config_apply();
/*
* Now we are fully initialized.
*/
if (background) {
corosync_tty_detach ();
}
corosync_poll_handle = qb_loop_create ();
memset(&scheduler_pause_timeout_data, 0, sizeof(scheduler_pause_timeout_data));
scheduler_pause_timeout_data.totem_config = &totem_config;
timer_function_scheduler_timeout (&scheduler_pause_timeout_data);
qb_loop_signal_add(corosync_poll_handle, QB_LOOP_LOW,
SIGUSR2, NULL, sig_diag_handler, NULL);
qb_loop_signal_add(corosync_poll_handle, QB_LOOP_HIGH,
SIGINT, NULL, sig_exit_handler, NULL);
qb_loop_signal_add(corosync_poll_handle, QB_LOOP_HIGH,
SIGQUIT, NULL, sig_exit_handler, NULL);
qb_loop_signal_add(corosync_poll_handle, QB_LOOP_HIGH,
SIGTERM, NULL, sig_exit_handler, NULL);
if (logsys_thread_start() != 0) {
log_printf (LOGSYS_LEVEL_ERROR, "Can't initialize log thread");
corosync_exit_error (COROSYNC_DONE_LOGCONFIGREAD);
}
if ((flock_err = corosync_flock (corosync_lock_file, getpid ())) != COROSYNC_DONE_EXIT) {
corosync_exit_error (flock_err);
}
/*
* if totempg_initialize doesn't have root priveleges, it cannot
* bind to a specific interface. This only matters if
* there is more then one interface in a system, so
* in this case, only a warning is printed
*/
/*
* Join multicast group and setup delivery
* and configuration change functions
*/
totempg_initialize (
corosync_poll_handle,
&totem_config);
totempg_service_ready_register (
main_service_ready);
totempg_groups_initialize (
&corosync_group_handle,
deliver_fn,
confchg_fn);
totempg_groups_join (
corosync_group_handle,
&corosync_group,
1);
/*
* Drop root privleges to user 'corosync'
* TODO: Don't really need full root capabilities;
* needed capabilities are:
* CAP_NET_RAW (bindtodevice)
* CAP_SYS_NICE (setscheduler)
* CAP_IPC_LOCK (mlockall)
*/
priv_drop ();
schedwrk_init (
serialize_lock,
serialize_unlock);
/*
* Start main processing loop
*/
qb_loop_run (corosync_poll_handle);
/*
* Exit was requested
*/
totempg_finalize ();
/*
* free the loop resources
*/
qb_loop_destroy (corosync_poll_handle);
/*
* free up the icmap
*/
/*
* Remove pid lock file
*/
unlink (corosync_lock_file);
corosync_exit_error (COROSYNC_DONE_EXIT);
return EXIT_SUCCESS;
}
int main (int argc, char **argv, char **envp)
{
const char *error_string;
struct totem_config totem_config;
int res, ch;
int background, sched_rr, prio, testonly, move_to_root_cgroup;
struct stat stat_out;
enum e_corosync_done flock_err;
uint64_t totem_config_warnings;
struct scheduler_pause_timeout_data scheduler_pause_timeout_data;
long int tmpli;
char *ep;
/* default configuration
*/
background = 1;
sched_rr = 1;
prio = 0;
testonly = 0;
move_to_root_cgroup = 1;
while ((ch = getopt (argc, argv, "fP:pRrtv")) != EOF) {
switch (ch) {
case 'f':
background = 0;
break;
case 'p':
sched_rr = 0;
break;
case 'P':
if (strcmp(optarg, "max") == 0) {
prio = INT_MIN;
} else if (strcmp(optarg, "min") == 0) {
prio = INT_MAX;
} else {
errno = 0;
tmpli = strtol(optarg, &ep, 10);
if (errno != 0 || *ep != '\0' || tmpli > INT_MAX || tmpli < INT_MIN) {
fprintf(stderr, "Priority value %s is invalid", optarg);
logsys_system_fini();
return EXIT_FAILURE;
}
prio = tmpli;
}
break;
case 'R':
move_to_root_cgroup = 0;
break;
case 'r':
sched_rr = 1;
break;
case 't':
testonly = 1;
break;
case 'v':
printf ("Corosync Cluster Engine, version '%s'\n", VERSION);
printf ("Copyright (c) 2006-2009 Red Hat, Inc.\n");
logsys_system_fini();
return EXIT_SUCCESS;
break;
default:
fprintf(stderr, \
"usage:\n"\
" -f : Start application in foreground.\n"\
" -p : Do not set realtime scheduling.\n"\
" -r : Set round robin realtime scheduling (default).\n"\
" -R : Do not try move corosync to root cpu cgroup (valid when built with libcgroup)\n" \
" -P num : Set priority of process (no effect when -r is used)\n"\
" -t : Test configuration and exit.\n"\
" -v : Display version and SVN revision of Corosync and exit.\n");
logsys_system_fini();
return EXIT_FAILURE;
}
}
/*
* Other signals are registered later via qb_loop_signal_add
*/
(void)signal (SIGSEGV, sigsegv_handler);
(void)signal (SIGABRT, sigsegv_handler);
#if MSG_NOSIGNAL != 0
(void)signal (SIGPIPE, SIG_IGN);
#endif
if (icmap_init() != CS_OK) {
log_printf (LOGSYS_LEVEL_ERROR, "Corosync Executive couldn't initialize configuration component.");
corosync_exit_error (COROSYNC_DONE_ICMAP);
}
set_icmap_ro_keys_flag();
/*
* Initialize the corosync_api_v1 definition
*/
api = apidef_get ();
res = coroparse_configparse(icmap_get_global_map(), &error_string);
if (res == -1) {
/*
* Logsys can't log properly at this early stage, and we need to get this message out
*
*/
fprintf (stderr, "%s\n", error_string);
syslog (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (COROSYNC_DONE_MAINCONFIGREAD);
}
if (stats_map_init(api) != CS_OK) {
fprintf (stderr, "Corosync Executive couldn't initialize statistics component.\n");
syslog (LOGSYS_LEVEL_ERROR, "Corosync Executive couldn't initialize statistics component.");
corosync_exit_error (COROSYNC_DONE_STATS);
}
res = corosync_log_config_read (&error_string);
if (res == -1) {
/*
* if we are here, we _must_ flush the logsys queue
* and try to inform that we couldn't read the config.
* this is a desperate attempt before certain death
* and there is no guarantee that we can print to stderr
* nor that logsys is sending the messages where we expect.
*/
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
fprintf(stderr, "%s", error_string);
syslog (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (COROSYNC_DONE_LOGCONFIGREAD);
}
if (!testonly) {
log_printf (LOGSYS_LEVEL_NOTICE, "Corosync Cluster Engine ('%s'): started and ready to provide service.", VERSION);
log_printf (LOGSYS_LEVEL_INFO, "Corosync built-in features:" PACKAGE_FEATURES "");
}
/*
* Make sure required directory is present
*/
res = stat (get_run_dir(), &stat_out);
if ((res == -1) || (res == 0 && !S_ISDIR(stat_out.st_mode))) {
log_printf (LOGSYS_LEVEL_ERROR, "Required directory not present %s. Please create it.", get_run_dir());
corosync_exit_error (COROSYNC_DONE_DIR_NOT_PRESENT);
}
res = chdir(get_run_dir());
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "Cannot chdir to run directory %s. "
"Please make sure it has correct context and rights.", get_run_dir());
corosync_exit_error (COROSYNC_DONE_DIR_NOT_PRESENT);
}
res = totem_config_read (&totem_config, &error_string, &totem_config_warnings);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (COROSYNC_DONE_MAINCONFIGREAD);
}
if (totem_config_warnings & TOTEM_CONFIG_WARNING_MEMBERS_IGNORED) {
log_printf (LOGSYS_LEVEL_WARNING, "member section is used together with nodelist. Members ignored.");
}
if (totem_config_warnings & TOTEM_CONFIG_WARNING_MEMBERS_DEPRECATED) {
log_printf (LOGSYS_LEVEL_WARNING, "member section is deprecated.");
}
if (totem_config_warnings & TOTEM_CONFIG_WARNING_TOTEM_NODEID_IGNORED) {
log_printf (LOGSYS_LEVEL_WARNING, "nodeid appears both in totem section and nodelist. Nodelist one is used.");
}
if (totem_config_warnings & TOTEM_CONFIG_BINDNETADDR_NODELIST_SET) {
log_printf (LOGSYS_LEVEL_WARNING, "interface section bindnetaddr is used together with nodelist. "
"Nodelist one is going to be used.");
}
if (totem_config_warnings != 0) {
log_printf (LOGSYS_LEVEL_WARNING, "Please migrate config file to nodelist.");
}
res = totem_config_keyread (&totem_config, &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (COROSYNC_DONE_MAINCONFIGREAD);
}
res = totem_config_validate (&totem_config, &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (COROSYNC_DONE_MAINCONFIGREAD);
}
if (testonly) {
corosync_exit_error (COROSYNC_DONE_EXIT);
}
/*
* Try to move corosync into root cpu cgroup. Failure is not fatal and
* error is deliberately ignored.
*/
if (move_to_root_cgroup) {
(void)corosync_move_to_root_cgroup();
}
/*
* Set round robin realtime scheduling with priority 99
*/
if (sched_rr) {
if (corosync_set_rr_scheduler () != 0) {
prio = INT_MIN;
} else {
prio = 0;
}
}
if (prio != 0) {
if (setpriority(PRIO_PGRP, 0, prio) != 0) {
LOGSYS_PERROR(errno, LOGSYS_LEVEL_WARNING,
"Could not set priority %d", prio);
}
}
ip_version = totem_config.ip_version;
totem_config.totem_memb_ring_id_create_or_load = corosync_ring_id_create_or_load;
totem_config.totem_memb_ring_id_store = corosync_ring_id_store;
totem_config.totem_logging_configuration = totem_logging_configuration;
totem_config.totem_logging_configuration.log_subsys_id = _logsys_subsys_create("TOTEM", "totem,"
"totemip.c,totemconfig.c,totemcrypto.c,totemsrp.c,"
"totempg.c,totemudp.c,totemudpu.c,totemnet.c,totemknet.c");
totem_config.totem_logging_configuration.log_level_security = LOGSYS_LEVEL_WARNING;
totem_config.totem_logging_configuration.log_level_error = LOGSYS_LEVEL_ERROR;
totem_config.totem_logging_configuration.log_level_warning = LOGSYS_LEVEL_WARNING;
totem_config.totem_logging_configuration.log_level_notice = LOGSYS_LEVEL_NOTICE;
totem_config.totem_logging_configuration.log_level_debug = LOGSYS_LEVEL_DEBUG;
totem_config.totem_logging_configuration.log_level_trace = LOGSYS_LEVEL_TRACE;
totem_config.totem_logging_configuration.log_printf = _logsys_log_printf;
logsys_config_apply();
/*
* Now we are fully initialized.
*/
if (background) {
logsys_blackbox_prefork();
corosync_tty_detach ();
logsys_blackbox_postfork();
log_printf (LOGSYS_LEVEL_DEBUG, "Corosync TTY detached");
}
/*
* Lock all memory to avoid page faults which may interrupt
* application healthchecking
*/
corosync_mlockall ();
corosync_poll_handle = qb_loop_create ();
memset(&scheduler_pause_timeout_data, 0, sizeof(scheduler_pause_timeout_data));
scheduler_pause_timeout_data.totem_config = &totem_config;
timer_function_scheduler_timeout (&scheduler_pause_timeout_data);
qb_loop_signal_add(corosync_poll_handle, QB_LOOP_LOW,
SIGUSR2, NULL, sig_diag_handler, NULL);
qb_loop_signal_add(corosync_poll_handle, QB_LOOP_HIGH,
SIGINT, NULL, sig_exit_handler, NULL);
qb_loop_signal_add(corosync_poll_handle, QB_LOOP_HIGH,
SIGQUIT, NULL, sig_exit_handler, NULL);
qb_loop_signal_add(corosync_poll_handle, QB_LOOP_HIGH,
SIGTERM, NULL, sig_exit_handler, NULL);
if (logsys_thread_start() != 0) {
log_printf (LOGSYS_LEVEL_ERROR, "Can't initialize log thread");
corosync_exit_error (COROSYNC_DONE_LOGCONFIGREAD);
}
if ((flock_err = corosync_flock (corosync_lock_file, getpid ())) != COROSYNC_DONE_EXIT) {
corosync_exit_error (flock_err);
}
/*
* if totempg_initialize doesn't have root priveleges, it cannot
* bind to a specific interface. This only matters if
* there is more then one interface in a system, so
* in this case, only a warning is printed
*/
/*
* Join multicast group and setup delivery
* and configuration change functions
*/
if (totempg_initialize (
corosync_poll_handle,
&totem_config) != 0) {
log_printf (LOGSYS_LEVEL_ERROR, "Can't initialize TOTEM layer");
corosync_exit_error (COROSYNC_DONE_FATAL_ERR);
}
totempg_service_ready_register (
main_service_ready);
totempg_groups_initialize (
&corosync_group_handle,
deliver_fn,
confchg_fn);
totempg_groups_join (
corosync_group_handle,
&corosync_group,
1);
/*
* Drop root privleges to user 'corosync'
* TODO: Don't really need full root capabilities;
* needed capabilities are:
* CAP_NET_RAW (bindtodevice)
* CAP_SYS_NICE (setscheduler)
* CAP_IPC_LOCK (mlockall)
*/
priv_drop ();
schedwrk_init (
serialize_lock,
serialize_unlock);
/*
* Start main processing loop
*/
qb_loop_run (corosync_poll_handle);
/*
* Exit was requested
*/
totempg_finalize ();
/*
* free the loop resources
*/
qb_loop_destroy (corosync_poll_handle);
/*
* free up the icmap
*/
/*
* Remove pid lock file
*/
unlink (corosync_lock_file);
corosync_exit_error (COROSYNC_DONE_EXIT);
return EXIT_SUCCESS;
}