/******************************************************************************
* *
* Function: main_dbconfig_loop *
* *
* Purpose: periodically synchronises database data with memory cache *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexander Vladishev *
* *
* Comments: never returns *
* *
******************************************************************************/
ZBX_THREAD_ENTRY(dbconfig_thread, args)
{
double sec = 0.0;
process_type = ((zbx_thread_args_t *)args)->process_type;
server_num = ((zbx_thread_args_t *)args)->server_num;
process_num = ((zbx_thread_args_t *)args)->process_num;
zabbix_log(LOG_LEVEL_INFORMATION, "%s #%d started [%s #%d]", get_program_type_string(program_type),
server_num, get_process_type_string(process_type), process_num);
zbx_setproctitle("%s [waiting %d sec for processes]", get_process_type_string(process_type),
CONFIG_CONFSYNCER_FREQUENCY);
zbx_set_sigusr_handler(zbx_dbconfig_sigusr_handler);
/* the initial configuration sync is done by server before worker processes are forked */
zbx_sleep_loop(CONFIG_CONFSYNCER_FREQUENCY);
zbx_setproctitle("%s [connecting to the database]", get_process_type_string(process_type));
DBconnect(ZBX_DB_CONNECT_NORMAL);
for (;;)
{
zbx_handle_log();
zbx_setproctitle("%s [synced configuration in " ZBX_FS_DBL " sec, syncing configuration]",
get_process_type_string(process_type), sec);
sec = zbx_time();
DCsync_configuration();
DCupdate_hosts_availability();
sec = zbx_time() - sec;
zbx_setproctitle("%s [synced configuration in " ZBX_FS_DBL " sec, idle %d sec]",
get_process_type_string(process_type), sec, CONFIG_CONFSYNCER_FREQUENCY);
zbx_sleep_loop(CONFIG_CONFSYNCER_FREQUENCY);
}
}
ZBX_THREAD_ENTRY(housekeeper_thread, args)
{
int records, start, sleeptime;
double sec, time_slept;
char sleeptext[25];
process_type = ((zbx_thread_args_t *)args)->process_type;
server_num = ((zbx_thread_args_t *)args)->server_num;
process_num = ((zbx_thread_args_t *)args)->process_num;
zabbix_log(LOG_LEVEL_INFORMATION, "%s #%d started [%s #%d]", get_daemon_type_string(daemon_type),
server_num, get_process_type_string(process_type), process_num);
if (0 == CONFIG_HOUSEKEEPING_FREQUENCY)
{
zbx_setproctitle("%s [waiting for user command]", get_process_type_string(process_type));
zbx_snprintf(sleeptext, sizeof(sleeptext), "waiting for user command");
}
else
{
sleeptime = HOUSEKEEPER_STARTUP_DELAY * SEC_PER_MIN;
zbx_setproctitle("%s [startup idle for %d minutes]", get_process_type_string(process_type),
HOUSEKEEPER_STARTUP_DELAY);
zbx_snprintf(sleeptext, sizeof(sleeptext), "idle for %d hour(s)", CONFIG_HOUSEKEEPING_FREQUENCY);
}
zbx_set_sigusr_handler(zbx_housekeeper_sigusr_handler);
for (;;)
{
sec = zbx_time();
if (0 == CONFIG_HOUSEKEEPING_FREQUENCY)
zbx_sleep_forever();
else
zbx_sleep_loop(sleeptime);
time_slept = zbx_time() - sec;
hk_period = get_housekeeper_period(time_slept);
start = time(NULL);
zabbix_log(LOG_LEVEL_WARNING, "executing housekeeper");
zbx_setproctitle("%s [connecting to the database]", get_process_type_string(process_type));
DBconnect(ZBX_DB_CONNECT_NORMAL);
zbx_setproctitle("%s [removing old history]", get_process_type_string(process_type));
sec = zbx_time();
records = housekeeping_history(start);
sec = zbx_time() - sec;
DBclose();
zabbix_log(LOG_LEVEL_WARNING, "%s [deleted %d records in " ZBX_FS_DBL " sec, %s]",
get_process_type_string(process_type), records, sec, sleeptext);
zbx_setproctitle("%s [deleted %d records in " ZBX_FS_DBL " sec, %s]",
get_process_type_string(process_type), records, sec, sleeptext);
if (0 != CONFIG_HOUSEKEEPING_FREQUENCY)
sleeptime = CONFIG_HOUSEKEEPING_FREQUENCY * SEC_PER_HOUR;
}
}
