/* handles scheduled downtime (id passed from timed event queue) */
int handle_scheduled_downtime_by_id(unsigned long downtime_id) {
scheduled_downtime *temp_downtime = NULL;
/* find the downtime entry */
if ((temp_downtime = find_downtime(ANY_DOWNTIME, downtime_id)) == NULL)
return ERROR;
/* handle the downtime */
return handle_scheduled_downtime(temp_downtime);
}
/* checks for flexible (non-fixed) service downtime that should start now */
int check_pending_flex_service_downtime(service *svc) {
scheduled_downtime *temp_downtime = NULL;
time_t current_time = 0L;
log_debug_info(DEBUGL_FUNCTIONS, 0, "check_pending_flex_service_downtime()\n");
if (svc == NULL)
return ERROR;
time(¤t_time);
/* if service is currently ok, nothing to do */
if (svc->current_state == STATE_OK)
return OK;
/* check all downtime entries */
for (temp_downtime = scheduled_downtime_list; temp_downtime != NULL; temp_downtime = temp_downtime->next) {
if (temp_downtime->type != SERVICE_DOWNTIME)
continue;
if (temp_downtime->fixed == TRUE)
continue;
if (temp_downtime->is_in_effect == TRUE)
continue;
/* triggered downtime entries should be ignored here */
if (temp_downtime->triggered_by != 0)
continue;
/* this entry matches our service! */
if (find_service(temp_downtime->host_name, temp_downtime->service_description) == svc) {
/* if the time boundaries are okay, start this scheduled downtime */
if (temp_downtime->start_time <= current_time && current_time <= temp_downtime->end_time) {
log_debug_info(DEBUGL_DOWNTIME, 0, "Flexible downtime (id=%lu) for service '%s' on host '%s' starting now...\n", temp_downtime->downtime_id, svc->description, svc->host_name);
temp_downtime->start_flex_downtime = TRUE;
handle_scheduled_downtime(temp_downtime);
}
}
}
return OK;
}
/* checks for flexible (non-fixed) host downtime that should start now */
int check_pending_flex_host_downtime(host *hst) {
scheduled_downtime *temp_downtime = NULL;
time_t current_time = 0L;
log_debug_info(DEBUGL_FUNCTIONS, 0, "check_pending_flex_host_downtime()\n");
if (hst == NULL)
return ERROR;
time(¤t_time);
/* if host is currently up, nothing to do */
if (hst->current_state == HOST_UP)
return OK;
/* check all downtime entries */
for (temp_downtime = scheduled_downtime_list; temp_downtime != NULL; temp_downtime = temp_downtime->next) {
if (temp_downtime->type != HOST_DOWNTIME)
continue;
if (temp_downtime->fixed == TRUE)
continue;
if (temp_downtime->is_in_effect == TRUE)
continue;
/* triggered downtime entries should be ignored here */
if (temp_downtime->triggered_by != 0)
continue;
/* this entry matches our host! */
if (find_host(temp_downtime->host_name) == hst) {
/* if the time boundaries are okay, start this scheduled downtime */
if (temp_downtime->start_time <= current_time && current_time <= temp_downtime->end_time) {
log_debug_info(DEBUGL_DOWNTIME, 0, "Flexible downtime (id=%lu) for host '%s' starting now...\n", temp_downtime->downtime_id, hst->name);
temp_downtime->start_flex_downtime = TRUE;
handle_scheduled_downtime(temp_downtime);
}
}
}
return OK;
}
/* handles scheduled downtime (id passed from timed event queue) */
int handle_scheduled_downtime_by_id(unsigned long downtime_id) {
scheduled_downtime *temp_downtime = NULL;
log_debug_info(DEBUGL_FUNCTIONS, 0, "handle_scheduled_downtime_by_id()\n");
/* find the downtime entry */
if((temp_downtime = find_downtime(ANY_DOWNTIME, downtime_id)) == NULL) {
log_debug_info(DEBUGL_DOWNTIME, 1, "Unable to find downtime id: %lu\n",
downtime_id);
return ERROR;
}
/* NULL out this event's start time since the calling function,
handle_timed_event(), will free the event, this will prevent
unschedule_downtime from freeing something that has already been
freed. The start event is not needed within
handle_scheduled_downtime(). */
temp_downtime->start_event = NULL;
/* handle the downtime */
return handle_scheduled_downtime(temp_downtime);
}
/* handles scheduled host or service downtime */
int handle_scheduled_downtime(scheduled_downtime *temp_downtime) {
scheduled_downtime *this_downtime = NULL;
host *hst = NULL;
service *svc = NULL;
time_t event_time = 0L;
time_t current_time = 0L;
unsigned long *new_downtime_id = NULL;
#ifdef USE_EVENT_BROKER
int attr = 0;
#endif
log_debug_info(DEBUGL_FUNCTIONS, 0, "handle_scheduled_downtime()\n");
if (temp_downtime == NULL)
return ERROR;
/* find the host or service associated with this downtime */
if (temp_downtime->type == HOST_DOWNTIME) {
if ((hst = find_host(temp_downtime->host_name)) == NULL)
return ERROR;
} else {
if ((svc = find_service(temp_downtime->host_name, temp_downtime->service_description)) == NULL)
return ERROR;
}
/* if downtime if flexible and host/svc is in an ok state, don't do anything right now (wait for event handler to kick it off) */
/* start_flex_downtime variable is set to TRUE by event handler functions */
if (temp_downtime->fixed == FALSE) {
/* we're not supposed to force a start of flex downtime... */
if (temp_downtime->start_flex_downtime == FALSE) {
/* host is up or service is ok, so we don't really do anything right now */
if ((temp_downtime->type == HOST_DOWNTIME && hst->current_state == HOST_UP) || (temp_downtime->type == SERVICE_DOWNTIME && svc->current_state == STATE_OK)) {
/* increment pending flex downtime counter */
if (temp_downtime->type == HOST_DOWNTIME)
hst->pending_flex_downtime++;
else
svc->pending_flex_downtime++;
temp_downtime->incremented_pending_downtime = TRUE;
/*** SINCE THE FLEX DOWNTIME MAY NEVER START, WE HAVE TO PROVIDE A WAY OF EXPIRING UNUSED DOWNTIME... ***/
schedule_new_event(EVENT_EXPIRE_DOWNTIME, TRUE, (temp_downtime->end_time + 1), FALSE, 0, NULL, FALSE, NULL, NULL, 0);
return OK;
}
}
}
time(¤t_time);
/* have we come to the end of the scheduled downtime? */
if (temp_downtime->is_in_effect == TRUE && ( /* downtime needs to be in effect and ... */
(temp_downtime->fixed == TRUE && current_time >= temp_downtime->end_time) || /* fixed downtime, endtime means end of downtime */
(temp_downtime->fixed == FALSE && current_time >= (temp_downtime->trigger_time+temp_downtime->duration)) /* flexible downtime, endtime of downtime is trigger_time+duration */
)){
if (temp_downtime->type == HOST_DOWNTIME)
log_debug_info(DEBUGL_DOWNTIME, 0, "Host '%s' ending %s scheduled downtime (id=%lu) with depth=%d, starttime=%lu, entrytime=%lu, triggertime=%lu, endtime=%lu, duration=%lu.\n", hst->name, (temp_downtime->fixed == TRUE) ? "fixed" : "flexible", temp_downtime->downtime_id, hst->scheduled_downtime_depth, temp_downtime->start_time, temp_downtime->entry_time, temp_downtime->trigger_time, temp_downtime->end_time, temp_downtime->duration);
else
log_debug_info(DEBUGL_DOWNTIME, 0, "Service '%s' on host '%s' ending %s scheduled downtime (id=%lu) with depth=%d, starttime=%lu, entrytime=%lu, triggertime=%lu, endtime=%lu, duration=%lu.\n", svc->description, svc->host_name, (temp_downtime->fixed == TRUE) ? "fixed" : "flexible", temp_downtime->downtime_id, svc->scheduled_downtime_depth, temp_downtime->start_time, temp_downtime->entry_time, temp_downtime->trigger_time, temp_downtime->end_time, temp_downtime->duration);
#ifdef USE_EVENT_BROKER
/* send data to event broker */
attr = NEBATTR_DOWNTIME_STOP_NORMAL;
broker_downtime_data(NEBTYPE_DOWNTIME_STOP, NEBFLAG_NONE, attr, temp_downtime->type, temp_downtime->host_name, temp_downtime->service_description, temp_downtime->entry_time, temp_downtime->author, temp_downtime->comment, temp_downtime->start_time, temp_downtime->end_time, temp_downtime->fixed, temp_downtime->triggered_by, temp_downtime->duration, temp_downtime->downtime_id, NULL, temp_downtime->is_in_effect, temp_downtime->trigger_time);
#endif
/* decrement the downtime depth variable */
if (temp_downtime->type == HOST_DOWNTIME)
hst->scheduled_downtime_depth--;
else
svc->scheduled_downtime_depth--;
if (temp_downtime->type == HOST_DOWNTIME && hst->scheduled_downtime_depth == 0) {
log_debug_info(DEBUGL_DOWNTIME, 0, "Host '%s' has exited from a period of scheduled downtime (id=%lu).\n", hst->name, temp_downtime->downtime_id);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "HOST DOWNTIME ALERT: %s;STOPPED; Host has exited from a period of scheduled downtime", hst->name);
/* send a notification */
host_notification(hst, NOTIFICATION_DOWNTIMEEND, temp_downtime->author, temp_downtime->comment, NOTIFICATION_OPTION_NONE);
}
else if (temp_downtime->type == SERVICE_DOWNTIME && svc->scheduled_downtime_depth == 0) {
log_debug_info(DEBUGL_DOWNTIME, 0, "Service '%s' on host '%s' has exited from a period of scheduled downtime (id=%lu).\n", svc->description, svc->host_name, temp_downtime->downtime_id);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "SERVICE DOWNTIME ALERT: %s;%s;STOPPED; Service has exited from a period of scheduled downtime", svc->host_name, svc->description);
/* send a notification */
service_notification(svc, NOTIFICATION_DOWNTIMEEND, temp_downtime->author, temp_downtime->comment, NOTIFICATION_OPTION_NONE);
}
/* update the status data */
if (temp_downtime->type == HOST_DOWNTIME)
update_host_status(hst, FALSE);
else
update_service_status(svc, FALSE);
/* decrement pending flex downtime if necessary */
if (temp_downtime->fixed == FALSE && temp_downtime->incremented_pending_downtime == TRUE) {
if (temp_downtime->type == HOST_DOWNTIME) {
if (hst->pending_flex_downtime > 0)
hst->pending_flex_downtime--;
} else {
if (svc->pending_flex_downtime > 0)
svc->pending_flex_downtime--;
}
}
/* handle (stop) downtime that is triggered by this one */
while (1) {
/* list contents might change by recursive calls, so we use this inefficient method to prevent segfaults */
for (this_downtime = scheduled_downtime_list; this_downtime != NULL; this_downtime = this_downtime->next) {
if (this_downtime->triggered_by == temp_downtime->downtime_id) {
handle_scheduled_downtime(this_downtime);
break;
}
}
if (this_downtime == NULL)
break;
}
/* delete downtime entry */
if (temp_downtime->type == HOST_DOWNTIME)
delete_host_downtime(temp_downtime->downtime_id);
else
delete_service_downtime(temp_downtime->downtime_id);
}
/* else we are just starting the scheduled downtime */
else {
if (temp_downtime->type == HOST_DOWNTIME)
log_debug_info(DEBUGL_DOWNTIME, 0, "Host '%s' starting %s scheduled downtime (id=%lu) with depth=%d, starttime=%lu, entrytime=%lu, endtime=%lu, duration=%lu.\n", hst->name, (temp_downtime->fixed == TRUE) ? "fixed" : "flexible", temp_downtime->downtime_id, hst->scheduled_downtime_depth, temp_downtime->start_time, temp_downtime->entry_time, temp_downtime->end_time, temp_downtime->duration);
else
log_debug_info(DEBUGL_DOWNTIME, 0, "Service '%s' on host '%s' starting %s scheduled downtime (id=%lu) with depth=%d, starttime=%lu, entrytime=%lu, endtime=%lu, duration=%lu.\n", svc->description, svc->host_name, (temp_downtime->fixed == TRUE) ? "fixed" : "flexible", temp_downtime->downtime_id, svc->scheduled_downtime_depth, temp_downtime->start_time, temp_downtime->entry_time, temp_downtime->end_time, temp_downtime->duration);
/* this happens after restart of icinga */
if (temp_downtime->is_in_effect != TRUE) {
if (temp_downtime->type == HOST_DOWNTIME && hst->scheduled_downtime_depth == 0) {
/* set the trigger time, needed to detect the end of a flexible downtime */
temp_downtime->trigger_time = current_time;
log_debug_info(DEBUGL_DOWNTIME, 0, "Host '%s' has entered a period of scheduled downtime (id=%lu) at triggertime=%lu.\n", hst->name, temp_downtime->downtime_id, temp_downtime->trigger_time);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "HOST DOWNTIME ALERT: %s;STARTED; Host has entered a period of scheduled downtime", hst->name);
/* send a notification */
host_notification(hst, NOTIFICATION_DOWNTIMESTART, temp_downtime->author, temp_downtime->comment, NOTIFICATION_OPTION_NONE);
}
else if (temp_downtime->type == SERVICE_DOWNTIME && svc->scheduled_downtime_depth == 0) {
/* set the trigger time, needed to detect the end of a flexible downtime */
temp_downtime->trigger_time = current_time;
log_debug_info(DEBUGL_DOWNTIME, 0, "Service '%s' on host '%s' has entered a period of scheduled downtime (id=%lu) at triggertime=%lu.\n", svc->description, svc->host_name, temp_downtime->downtime_id, temp_downtime->trigger_time);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "SERVICE DOWNTIME ALERT: %s;%s;STARTED; Service has entered a period of scheduled downtime", svc->host_name, svc->description);
/* send a notification */
service_notification(svc, NOTIFICATION_DOWNTIMESTART, temp_downtime->author, temp_downtime->comment, NOTIFICATION_OPTION_NONE);
}
}
/* increment the downtime depth variable */
if (temp_downtime->type == HOST_DOWNTIME)
hst->scheduled_downtime_depth++;
else
svc->scheduled_downtime_depth++;
/* set the in effect flag */
temp_downtime->is_in_effect = TRUE;
#ifdef USE_EVENT_BROKER
/* send data to broker AFTER we know trigger_time, is_in_effect, and downtime_depth */
broker_downtime_data(NEBTYPE_DOWNTIME_START, NEBFLAG_NONE, NEBATTR_NONE, temp_downtime->type, temp_downtime->host_name, temp_downtime->service_description, temp_downtime->entry_time, temp_downtime->author, temp_downtime->comment, temp_downtime->start_time, temp_downtime->end_time, temp_downtime->fixed, temp_downtime->triggered_by, temp_downtime->duration, temp_downtime->downtime_id, NULL, temp_downtime->is_in_effect, temp_downtime->trigger_time);
#endif
/* update the status data */
if (temp_downtime->type == HOST_DOWNTIME)
update_host_status(hst, FALSE);
else
update_service_status(svc, FALSE);
/* schedule an event */
if (temp_downtime->fixed == FALSE)
event_time = (time_t)((unsigned long)time(NULL) + temp_downtime->duration);
else
event_time = temp_downtime->end_time;
if ((new_downtime_id = (unsigned long *)malloc(sizeof(unsigned long *)))) {
*new_downtime_id = temp_downtime->downtime_id;
schedule_new_event(EVENT_SCHEDULED_DOWNTIME, TRUE, event_time, FALSE, 0, NULL, FALSE, (void *)new_downtime_id, NULL, 0);
}
/* handle (start) downtime that is triggered by this one */
for (this_downtime = scheduled_downtime_list; this_downtime != NULL; this_downtime = this_downtime->next) {
if (this_downtime->triggered_by == temp_downtime->downtime_id)
handle_scheduled_downtime(this_downtime);
}
}
return OK;
}
/* handles scheduled host or service downtime */
int handle_scheduled_downtime(scheduled_downtime *temp_downtime) {
scheduled_downtime *this_downtime = NULL;
host *hst = NULL;
service *svc = NULL;
time_t event_time = 0L;
unsigned long *new_downtime_id = NULL;
#ifdef USE_EVENT_BROKER
int attr = 0;
#endif
log_debug_info(DEBUGL_FUNCTIONS, 0, "handle_scheduled_downtime()\n");
if(temp_downtime == NULL)
return ERROR;
/* find the host or service associated with this downtime */
if(temp_downtime->type == HOST_DOWNTIME) {
if((hst = find_host(temp_downtime->host_name)) == NULL) {
log_debug_info(DEBUGL_DOWNTIME, 1, "Unable to find host (%s) for downtime\n", temp_downtime->host_name);
return ERROR;
}
}
else {
if((svc = find_service(temp_downtime->host_name, temp_downtime->service_description)) == NULL) {
log_debug_info(DEBUGL_DOWNTIME, 1, "Unable to find service (%s) host (%s) for downtime\n", temp_downtime->service_description, temp_downtime->host_name);
return ERROR;
}
}
/* have we come to the end of the scheduled downtime? */
if(temp_downtime->is_in_effect == TRUE) {
#ifdef USE_EVENT_BROKER
/* send data to event broker */
attr = NEBATTR_DOWNTIME_STOP_NORMAL;
broker_downtime_data(NEBTYPE_DOWNTIME_STOP, NEBFLAG_NONE, attr, temp_downtime->type, temp_downtime->host_name, temp_downtime->service_description, temp_downtime->entry_time, temp_downtime->author, temp_downtime->comment, temp_downtime->start_time, temp_downtime->end_time, temp_downtime->fixed, temp_downtime->triggered_by, temp_downtime->duration, temp_downtime->downtime_id, NULL);
#endif
/* decrement the downtime depth variable */
if(temp_downtime->type == HOST_DOWNTIME && hst->scheduled_downtime_depth > 0)
hst->scheduled_downtime_depth--;
else if (svc->scheduled_downtime_depth > 0)
svc->scheduled_downtime_depth--;
if(temp_downtime->type == HOST_DOWNTIME && hst->scheduled_downtime_depth == 0) {
log_debug_info(DEBUGL_DOWNTIME, 0, "Host '%s' has exited from a period of scheduled downtime (id=%lu).\n", hst->name, temp_downtime->downtime_id);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "HOST DOWNTIME ALERT: %s;STOPPED; Host has exited from a period of scheduled downtime", hst->name);
/* send a notification */
host_notification(hst, NOTIFICATION_DOWNTIMEEND, temp_downtime->author, temp_downtime->comment, NOTIFICATION_OPTION_NONE);
}
else if(temp_downtime->type == SERVICE_DOWNTIME && svc->scheduled_downtime_depth == 0) {
log_debug_info(DEBUGL_DOWNTIME, 0, "Service '%s' on host '%s' has exited from a period of scheduled downtime (id=%lu).\n", svc->description, svc->host_name, temp_downtime->downtime_id);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "SERVICE DOWNTIME ALERT: %s;%s;STOPPED; Service has exited from a period of scheduled downtime", svc->host_name, svc->description);
/* send a notification */
service_notification(svc, NOTIFICATION_DOWNTIMEEND, temp_downtime->author, temp_downtime->comment, NOTIFICATION_OPTION_NONE);
}
/* update the status data */
if(temp_downtime->type == HOST_DOWNTIME)
update_host_status(hst, FALSE);
else
update_service_status(svc, FALSE);
/* decrement pending flex downtime if necessary */
if(temp_downtime->fixed == FALSE && temp_downtime->incremented_pending_downtime == TRUE) {
if(temp_downtime->type == HOST_DOWNTIME) {
if(hst->pending_flex_downtime > 0)
hst->pending_flex_downtime--;
}
else {
if(svc->pending_flex_downtime > 0)
svc->pending_flex_downtime--;
}
}
/* handle (stop) downtime that is triggered by this one */
while(1) {
/* list contents might change by recursive calls, so we use this inefficient method to prevent segfaults */
for(this_downtime = scheduled_downtime_list; this_downtime != NULL; this_downtime = this_downtime->next) {
if(this_downtime->triggered_by == temp_downtime->downtime_id) {
handle_scheduled_downtime(this_downtime);
break;
}
}
if(this_downtime == NULL)
break;
}
/* delete downtime entry */
if(temp_downtime->type == HOST_DOWNTIME)
delete_host_downtime(temp_downtime->downtime_id);
else
delete_service_downtime(temp_downtime->downtime_id);
}
/* else we are just starting the scheduled downtime */
else {
#ifdef USE_EVENT_BROKER
/* send data to event broker */
broker_downtime_data(NEBTYPE_DOWNTIME_START, NEBFLAG_NONE, NEBATTR_NONE, temp_downtime->type, temp_downtime->host_name, temp_downtime->service_description, temp_downtime->entry_time, temp_downtime->author, temp_downtime->comment, temp_downtime->start_time, temp_downtime->end_time, temp_downtime->fixed, temp_downtime->triggered_by, temp_downtime->duration, temp_downtime->downtime_id, NULL);
#endif
if(temp_downtime->type == HOST_DOWNTIME && hst->scheduled_downtime_depth == 0) {
log_debug_info(DEBUGL_DOWNTIME, 0, "Host '%s' has entered a period of scheduled downtime (id=%lu).\n", hst->name, temp_downtime->downtime_id);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "HOST DOWNTIME ALERT: %s;STARTED; Host has entered a period of scheduled downtime", hst->name);
/* send a notification */
if( FALSE == temp_downtime->start_notification_sent) {
host_notification(hst, NOTIFICATION_DOWNTIMESTART, temp_downtime->author, temp_downtime->comment, NOTIFICATION_OPTION_NONE);
temp_downtime->start_notification_sent = TRUE;
}
}
else if(temp_downtime->type == SERVICE_DOWNTIME && svc->scheduled_downtime_depth == 0) {
log_debug_info(DEBUGL_DOWNTIME, 0, "Service '%s' on host '%s' has entered a period of scheduled downtime (id=%lu).\n", svc->description, svc->host_name, temp_downtime->downtime_id);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "SERVICE DOWNTIME ALERT: %s;%s;STARTED; Service has entered a period of scheduled downtime", svc->host_name, svc->description);
/* send a notification */
if( FALSE == temp_downtime->start_notification_sent) {
service_notification(svc, NOTIFICATION_DOWNTIMESTART, temp_downtime->author, temp_downtime->comment, NOTIFICATION_OPTION_NONE);
temp_downtime->start_notification_sent = TRUE;
}
}
/* increment the downtime depth variable */
if(temp_downtime->type == HOST_DOWNTIME)
hst->scheduled_downtime_depth++;
else
svc->scheduled_downtime_depth++;
/* set the in effect flag */
temp_downtime->is_in_effect = TRUE;
/* update the status data */
if(temp_downtime->type == HOST_DOWNTIME)
update_host_status(hst, FALSE);
else
update_service_status(svc, FALSE);
/* schedule an event to end the downtime */
if(temp_downtime->fixed == FALSE) {
event_time = (time_t)((unsigned long)temp_downtime->flex_downtime_start
+ temp_downtime->duration);
}
else {
event_time = temp_downtime->end_time;
}
if((new_downtime_id = (unsigned long *)malloc(sizeof(unsigned long *)))) {
*new_downtime_id = temp_downtime->downtime_id;
schedule_new_event(EVENT_SCHEDULED_DOWNTIME, TRUE, event_time, FALSE, 0, NULL, FALSE, (void *)new_downtime_id, NULL, 0);
}
/* handle (start) downtime that is triggered by this one */
for(this_downtime = scheduled_downtime_list; this_downtime != NULL; this_downtime = this_downtime->next) {
if(this_downtime->triggered_by == temp_downtime->downtime_id)
handle_scheduled_downtime(this_downtime);
}
}
return OK;
}
