/******************************************************************************
* *
* Function: main_discoverer_loop *
* *
* Purpose: periodically try to find new hosts and services *
* *
* Author: Alexei Vladishev *
* *
* Comments: executes once per 30 seconds (hardcoded) *
* *
******************************************************************************/
void main_discoverer_loop()
{
int now, nextcheck, sleeptime;
double sec;
zabbix_log(LOG_LEVEL_DEBUG, "In main_discoverer_loop() process_num:%d", process_num);
zbx_setproctitle("%s [connecting to the database]", get_process_type_string(process_type));
DBconnect(ZBX_DB_CONNECT_NORMAL);
for (;;)
{
zbx_setproctitle("%s [performing discovery]", get_process_type_string(process_type));
now = time(NULL);
sec = zbx_time();
process_discovery(now);
sec = zbx_time() - sec;
zabbix_log(LOG_LEVEL_DEBUG, "%s #%d spent " ZBX_FS_DBL " seconds while processing rules",
get_process_type_string(process_type), process_num, sec);
nextcheck = get_minnextcheck(now);
sleeptime = calculate_sleeptime(nextcheck, DISCOVERER_DELAY);
zbx_sleep_loop(sleeptime);
}
}
/******************************************************************************
* *
* Function: main_httppoller_loop *
* *
* Purpose: main loop of processing of httptests *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexei Vladishev *
* *
* Comments: never returns *
* *
******************************************************************************/
void main_httppoller_loop()
{
int now, nextcheck, sleeptime;
double sec;
zabbix_log(LOG_LEVEL_DEBUG, "In main_httppoller_loop() process_num:%d", process_num);
zbx_setproctitle("%s [connecting to the database]", get_process_type_string(process_type));
DBconnect(ZBX_DB_CONNECT_NORMAL);
for (;;)
{
zbx_setproctitle("%s [getting values]", get_process_type_string(process_type));
now = time(NULL);
sec = zbx_time();
process_httptests(process_num, now);
sec = zbx_time() - sec;
zabbix_log(LOG_LEVEL_DEBUG, "%s #%d spent " ZBX_FS_DBL " seconds while updating HTTP tests",
get_process_type_string(process_type), process_num, sec);
nextcheck = get_minnextcheck(now);
sleeptime = calculate_sleeptime(nextcheck, POLLER_DELAY);
zbx_sleep_loop(sleeptime);
}
}
/******************************************************************************
* *
* Function: main_discoverer_loop *
* *
* Purpose: periodically try to find new hosts and services *
* *
* Author: Alexei Vladishev *
* *
* Comments: executes once per 30 seconds (hardcoded) *
* *
******************************************************************************/
void main_discoverer_loop(void)
{
int now, nextcheck, sleeptime = -1, rule_count = 0, old_rule_count = 0;
double sec, total_sec = 0.0, old_total_sec = 0.0;
time_t last_stat_time;
#define STAT_INTERVAL 5 /* if a process is busy and does not sleep then update status not faster than */
/* once in STAT_INTERVAL seconds */
zbx_setproctitle("%s #%d [connecting to the database]", get_process_type_string(process_type), process_num);
last_stat_time = time(NULL);
DBconnect(ZBX_DB_CONNECT_NORMAL);
for (;;)
{
if (0 != sleeptime)
{
zbx_setproctitle("%s #%d [processed %d rules in " ZBX_FS_DBL " sec, performing discovery]",
get_process_type_string(process_type), process_num, old_rule_count,
old_total_sec);
}
now = time(NULL);
sec = zbx_time();
rule_count += process_discovery(now);
total_sec += zbx_time() - sec;
nextcheck = get_minnextcheck(now);
sleeptime = calculate_sleeptime(nextcheck, DISCOVERER_DELAY);
if (0 != sleeptime || STAT_INTERVAL <= time(NULL) - last_stat_time)
{
if (0 == sleeptime)
{
zbx_setproctitle("%s #%d [processed %d rules in " ZBX_FS_DBL " sec, performing "
"discovery]", get_process_type_string(process_type), process_num,
rule_count, total_sec);
}
else
{
zbx_setproctitle("%s #%d [processed %d rules in " ZBX_FS_DBL " sec, idle %d sec]",
get_process_type_string(process_type), process_num, rule_count,
total_sec, sleeptime);
old_rule_count = rule_count;
old_total_sec = total_sec;
}
rule_count = 0;
total_sec = 0.0;
last_stat_time = time(NULL);
}
zbx_sleep_loop(sleeptime);
}
#undef STAT_INTERVAL
}
