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<?php
/*
** Zabbix
** Copyright (C) 2001-2014 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
/**
* Returns the names of supported event sources.
*
* If the $source parameter is passed, returns the name of the specific source, otherwise - returns an array of all
* supported sources.
*
* @param int $source
*
* @return array|string
*/
function eventSource($source = null) {
$sources = array(
EVENT_SOURCE_TRIGGERS => _('trigger'),
EVENT_SOURCE_DISCOVERY => _('discovery'),
EVENT_SOURCE_AUTO_REGISTRATION => _('auto registration'),
EVENT_SOURCE_INTERNAL => _x('internal', 'event source')
);
if ($source === null) {
return $sources;
}
elseif (isset($sources[$source])) {
return $sources[$source];
}
else {
return _('Unknown');
}
}
/**
* Returns the names of supported event objects.
*
* If the $source parameter is passed, returns the name of the specific object, otherwise - returns an array of all
* supported objects.
*
* @param int $object
*
* @return array|string
*/
function eventObject($object = null) {
$objects = array(
EVENT_OBJECT_TRIGGER => _('trigger'),
EVENT_OBJECT_DHOST => _('discovered host'),
EVENT_OBJECT_DSERVICE => _('discovered service'),
EVENT_OBJECT_AUTOREGHOST => _('auto-registered host'),
EVENT_OBJECT_ITEM => _('item'),
EVENT_OBJECT_LLDRULE => _('low-level discovery rule')
);
if ($object === null) {
return $objects;
}
elseif (isset($objects[$object])) {
return $objects[$object];
}
else {
return _('Unknown');
}
}
/**
* Returns all supported event source-object pairs.
*
* @return array
*/
function eventSourceObjects() {
return array(
array('source' => EVENT_SOURCE_TRIGGERS, 'object' => EVENT_OBJECT_TRIGGER),
array('source' => EVENT_SOURCE_DISCOVERY, 'object' => EVENT_OBJECT_DHOST),
array('source' => EVENT_SOURCE_DISCOVERY, 'object' => EVENT_OBJECT_DSERVICE),
array('source' => EVENT_SOURCE_AUTO_REGISTRATION, 'object' => EVENT_OBJECT_AUTOREGHOST),
array('source' => EVENT_SOURCE_INTERNAL, 'object' => EVENT_OBJECT_TRIGGER),
array('source' => EVENT_SOURCE_INTERNAL, 'object' => EVENT_OBJECT_ITEM),
array('source' => EVENT_SOURCE_INTERNAL, 'object' => EVENT_OBJECT_LLDRULE)
);
}
function get_events_unacknowledged($db_element, $value_trigger = null, $value_event = null, $ack = false) {
$elements = array('hosts' => array(), 'hosts_groups' => array(), 'triggers' => array());
get_map_elements($db_element, $elements);
if (empty($elements['hosts_groups']) && empty($elements['hosts']) && empty($elements['triggers'])) {
return 0;
}
$config = select_config();
$options = array(
'output' => array('triggerid'),
'monitored' => 1,
'skipDependent' => 1,
'limit' => $config['search_limit'] + 1
);
if (!is_null($value_trigger)) {
$options['filter'] = array('value' => $value_trigger);
}
if (!empty($elements['hosts_groups'])) {
$options['groupids'] = array_unique($elements['hosts_groups']);
}
if (!empty($elements['hosts'])) {
$options['hostids'] = array_unique($elements['hosts']);
}
if (!empty($elements['triggers'])) {
$options['triggerids'] = array_unique($elements['triggers']);
}
$triggerids = API::Trigger()->get($options);
return API::Event()->get(array(
'source' => EVENT_SOURCE_TRIGGERS,
'object' => EVENT_OBJECT_TRIGGER,
'countOutput' => true,
'objectids' => zbx_objectValues($triggerids, 'triggerid'),
'filter' => array(
'value' => $value_event,
'acknowledged' => $ack ? 1 : 0
)
));
}
function get_next_event($currentEvent, array $eventList = array()) {
$nextEvent = false;
foreach ($eventList as $event) {
// check only the events belonging to the same object
// find the event with the smallest eventid but greater than the current event id
if ($event['object'] == $currentEvent['object'] && bccomp($event['objectid'], $currentEvent['objectid']) == 0
&& (bccomp($event['eventid'], $currentEvent['eventid']) === 1
&& (!$nextEvent || bccomp($event['eventid'], $nextEvent['eventid']) === -1))) {
$nextEvent = $event;
}
}
if ($nextEvent) {
return $nextEvent;
}
$sql = 'SELECT e.*'.
' FROM events e'.
' WHERE e.source='.zbx_dbstr($currentEvent['source']).
' AND e.object='.zbx_dbstr($currentEvent['object']).
' AND e.objectid='.zbx_dbstr($currentEvent['objectid']).
' AND e.clock>='.zbx_dbstr($currentEvent['clock']).
' AND ((e.clock='.zbx_dbstr($currentEvent['clock']).' AND e.ns>'.$currentEvent['ns'].')'.
' OR e.clock>'.zbx_dbstr($currentEvent['clock']).')'.
' ORDER BY e.clock,e.eventid';
return DBfetch(DBselect($sql, 1));
}
function make_event_details($event, $trigger) {
$config = select_config();
$table = new CTableInfo();
$table->addRow(array(
new CCol(_('Event')),
new CCol(CMacrosResolverHelper::resolveEventDescription(array_merge($trigger, $event)), 'wraptext')
));
$table->addRow(array(_('Time'), zbx_date2str(_('d M Y H:i:s'), $event['clock'])));
if ($config['event_ack_enable']) {
// to make resulting link not have hint with acknowledges
$event['acknowledges'] = count($event['acknowledges']);
$ack = getEventAckState($event, true);
$table->addRow(array(_('Acknowledged'), $ack));
}
return $table;
}
function make_small_eventlist($startEvent) {
$config = select_config();
$table = new CTableInfo(_('No events found.'));
$table->setHeader(array(
_('Time'),
_('Status'),
_('Duration'),
_('Age'),
$config['event_ack_enable'] ? _('Ack') : null, // if we need to chow acks
_('Actions')
));
$clock = $startEvent['clock'];
$events = API::Event()->get(array(
'source' => EVENT_SOURCE_TRIGGERS,
'object' => EVENT_OBJECT_TRIGGER,
'objectids' => $startEvent['objectid'],
'eventid_till' => $startEvent['eventid'],
'output' => API_OUTPUT_EXTEND,
'select_acknowledges' => API_OUTPUT_COUNT,
'sortfield' => array('clock', 'eventid'),
'sortorder' => ZBX_SORT_DOWN,
'limit' => 20
));
$sortFields = array(
array('field' => 'clock', 'order' => ZBX_SORT_DOWN),
array('field' => 'eventid', 'order' => ZBX_SORT_DOWN)
);
CArrayHelper::sort($events, $sortFields);
$actions = getEventActionsStatHints(zbx_objectValues($events, 'eventid'));
foreach ($events as $event) {
$lclock = $clock;
$duration = zbx_date2age($lclock, $event['clock']);
$clock = $event['clock'];
if (bccomp($startEvent['eventid'],$event['eventid']) == 0 && $nextevent = get_next_event($event, $events)) {
$duration = zbx_date2age($nextevent['clock'], $clock);
}
elseif (bccomp($startEvent['eventid'], $event['eventid']) == 0) {
$duration = zbx_date2age($clock);
}
$eventStatusSpan = new CSpan(trigger_value2str($event['value']));
// add colors and blinking to span depending on configuration and trigger parameters
addTriggerValueStyle(
$eventStatusSpan,
$event['value'],
$event['clock'],
$event['acknowledged']
);
$ack = getEventAckState($event, true);
$table->addRow(array(
new CLink(
zbx_date2str(_('d M Y H:i:s'), $event['clock']),
'tr_events.php?triggerid='.$event['objectid'].'&eventid='.$event['eventid'],
'action'
),
$eventStatusSpan,
$duration,
zbx_date2age($event['clock']),
$config['event_ack_enable'] ? $ack : null,
isset($actions[$event['eventid']]) ? $actions[$event['eventid']] : SPACE
));
}
return $table;
}
function make_popup_eventlist($triggerId, $eventId) {
$config = select_config();
$table = new CTableInfo();
$table->setAttribute('style', 'width: 400px;');
// if acknowledges are turned on, we show 'ack' column
if ($config['event_ack_enable']) {
$table->setHeader(array(_('Time'), _('Status'), _('Duration'), _('Age'), _('Ack')));
}
else {
$table->setHeader(array(_('Time'), _('Status'), _('Duration'), _('Age')));
}
$events = API::Event()->get(array(
'source' => EVENT_SOURCE_TRIGGERS,
'object' => EVENT_OBJECT_TRIGGER,
'output' => API_OUTPUT_EXTEND,
'objectids' => $triggerId,
'eventid_till' => $eventId,
'select_acknowledges' => API_OUTPUT_COUNT,
'sortfield' => array('clock', 'eventid'),
'sortorder' => ZBX_SORT_DOWN,
'limit' => ZBX_WIDGET_ROWS
));
$lclock = time();
foreach ($events as $event) {
$duration = zbx_date2age($lclock, $event['clock']);
$lclock = $event['clock'];
$eventStatusSpan = new CSpan(trigger_value2str($event['value']));
// add colors and blinking to span depending on configuration and trigger parameters
addTriggerValueStyle($eventStatusSpan, $event['value'], $event['clock'], $event['acknowledged']);
$table->addRow(array(
zbx_date2str(_('d M Y H:i:s'), $event['clock']),
$eventStatusSpan,
$duration,
zbx_date2age($event['clock']),
getEventAckState($event, false, false)
));
}
return $table;
}
/**
* Create element with event acknowledges info.
* If $event has subarray 'acknowledges', returned link will have hint with acknowledges.
*
* @param array $event event data
* @param int $event['acknowledged']
* @param int $event['eventid']
* @param int $event['objectid']
* @param array $event['acknowledges']
* @param bool|string $backUrl if true, add backurl param to link with current page file name
* @param bool $isLink if true, return link otherwise span
* @param array $params additional params for link
*
* @return array|CLink|CSpan|null|string
*/
function getEventAckState($event, $backUrl = false, $isLink = true, $params = array()) {
$config = select_config();
if (!$config['event_ack_enable']) {
return null;
}
if ($isLink) {
if (!empty($backUrl)) {
if (is_bool($backUrl)) {
global $page;
$backurl = '&backurl='.$page['file'];
}
else {
$backurl = '&backurl='.$backUrl;
}
}
else {
$backurl = '';
}
$additionalParams = '';
foreach ($params as $key => $value) {
$additionalParams .= '&'.$key.'='.$value;
}
if ($event['acknowledged'] == 0) {
$ack = new CLink(_('No'), 'acknow.php?eventid='.$event['eventid'].'&triggerid='.$event['objectid'].$backurl.$additionalParams, 'disabled');
}
else {
$ackLink = new CLink(_('Yes'), 'acknow.php?eventid='.$event['eventid'].'&triggerid='.$event['objectid'].$backurl.$additionalParams, 'enabled');
if (is_array($event['acknowledges'])) {
$ackLinkHints = makeAckTab($event);
if (!empty($ackLinkHints)) {
$ackLink->setHint($ackLinkHints, '', '', false);
}
$ack = array($ackLink, ' ('.count($event['acknowledges']).')');
}
else {
$ack = array($ackLink, ' ('.$event['acknowledges'].')');
}
}
}
else {
if ($event['acknowledged'] == 0) {
$ack = new CSpan(_('No'), 'on');
}
else {
$ack = array(new CSpan(_('Yes'), 'off'), ' ('.(is_array($event['acknowledges']) ? count($event['acknowledges']) : $event['acknowledges']).')');
}
}
return $ack;
}
function getLastEvents($options) {
if (!isset($options['limit'])) {
$options['limit'] = 15;
}
$triggerOptions = array(
'filter' => array(),
'skipDependent' => 1,
'selectHosts' => array('hostid', 'host'),
'output' => API_OUTPUT_EXTEND,
'sortfield' => 'lastchange',
'sortorder' => ZBX_SORT_DOWN,
'limit' => $options['triggerLimit']
);
$eventOptions = array(
'source' => EVENT_SOURCE_TRIGGERS,
'object' => EVENT_OBJECT_TRIGGER,
'output' => API_OUTPUT_EXTEND,
'sortfield' => array('clock', 'eventid'),
'sortorder' => ZBX_SORT_DOWN
);
if (isset($options['eventLimit'])) {
$eventOptions['limit'] = $options['eventLimit'];
}
if (isset($options['priority'])) {
$triggerOptions['filter']['priority'] = $options['priority'];
}
if (isset($options['monitored'])) {
$triggerOptions['monitored'] = $options['monitored'];
}
if (isset($options['lastChangeSince'])) {
$triggerOptions['lastChangeSince'] = $options['lastChangeSince'];
$eventOptions['time_from'] = $options['lastChangeSince'];
}
if (isset($options['value'])) {
$triggerOptions['filter']['value'] = $options['value'];
$eventOptions['value'] = $options['value'];
}
// triggers
$triggers = API::Trigger()->get($triggerOptions);
$triggers = zbx_toHash($triggers, 'triggerid');
// events
$eventOptions['objectids'] = zbx_objectValues($triggers, 'triggerid');
$events = API::Event()->get($eventOptions);
$sortClock = array();
$sortEvent = array();
foreach ($events as $enum => $event) {
if (!isset($triggers[$event['objectid']])) {
continue;
}
$events[$enum]['trigger'] = $triggers[$event['objectid']];
$events[$enum]['host'] = reset($events[$enum]['trigger']['hosts']);
$sortClock[$enum] = $event['clock'];
$sortEvent[$enum] = $event['eventid'];
//expanding description for the state where event was
$merged_event = array_merge($event, $triggers[$event['objectid']]);
$events[$enum]['trigger']['description'] = CMacrosResolverHelper::resolveEventDescription($merged_event);
}
array_multisort($sortClock, SORT_DESC, $sortEvent, SORT_DESC, $events);
return $events;
}
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