/**
* Process screen.
*
* @return CDiv (screen inside container)
*/
public function get()
{
// if screen is defined in template, then 'real_resourceid' is defined and should be used
if (!empty($this->screenitem['real_resourceid'])) {
$this->screenitem['resourceid'] = $this->screenitem['real_resourceid'];
}
if ($this->screenitem['dynamic'] == SCREEN_DYNAMIC_ITEM && !empty($this->hostid)) {
$newitemid = get_same_item_for_host($this->screenitem['resourceid'], $this->hostid);
$this->screenitem['resourceid'] = !empty($newitemid) ? $newitemid : 0;
}
if ($this->screenitem['resourceid'] == 0) {
$table = (new CTableInfo())->setHeader([_('Timestamp'), _('Item')]);
return $this->getOutput($table);
}
$items = CMacrosResolverHelper::resolveItemNames([get_item_by_itemid($this->screenitem['resourceid'])]);
$item = reset($items);
switch ($item['value_type']) {
case ITEM_VALUE_TYPE_TEXT:
case ITEM_VALUE_TYPE_LOG:
$orderField = 'id';
break;
case ITEM_VALUE_TYPE_FLOAT:
case ITEM_VALUE_TYPE_UINT64:
default:
$orderField = ['itemid', 'clock'];
}
$host = get_host_by_itemid($this->screenitem['resourceid']);
$table = (new CTableInfo())->setHeader([_('Timestamp'), _('Value')]);
$stime = zbxDateToTime($this->timeline['stime']);
$histories = API::History()->get(['history' => $item['value_type'], 'itemids' => $this->screenitem['resourceid'], 'output' => API_OUTPUT_EXTEND, 'sortorder' => ZBX_SORT_DOWN, 'sortfield' => $orderField, 'limit' => $this->screenitem['elements'], 'time_from' => $stime, 'time_till' => $stime + $this->timeline['period']]);
foreach ($histories as $history) {
switch ($item['value_type']) {
case ITEM_VALUE_TYPE_FLOAT:
sscanf($history['value'], '%f', $value);
break;
case ITEM_VALUE_TYPE_TEXT:
case ITEM_VALUE_TYPE_STR:
case ITEM_VALUE_TYPE_LOG:
$value = $this->screenitem['style'] ? new CJsScript($history['value']) : $history['value'];
break;
default:
$value = $history['value'];
break;
}
if ($item['valuemapid'] > 0) {
$value = applyValueMap($value, $item['valuemapid']);
}
if ($this->screenitem['style'] == 0) {
$value = new CPre($value);
}
$table->addRow([zbx_date2str(DATE_TIME_FORMAT_SECONDS, $history['clock']), $value]);
}
$footer = (new CList())->addItem(_s('Updated: %s', zbx_date2str(TIME_FORMAT_SECONDS)))->addClass(ZBX_STYLE_DASHBRD_WIDGET_FOOT);
return $this->getOutput((new CUiWidget(uniqid(), [$table, $footer]))->setHeader($host['name'] . NAME_DELIMITER . $item['name_expanded']));
}
/**
* Process screen.
*
* @return CDiv (screen inside container)
*/
public function get()
{
// if screen is defined in template, then 'real_resourceid' is defined and should be used
if (!empty($this->screenitem['real_resourceid'])) {
$this->screenitem['resourceid'] = $this->screenitem['real_resourceid'];
}
if ($this->screenitem['dynamic'] == SCREEN_DYNAMIC_ITEM && !empty($this->hostid)) {
$newitemid = get_same_item_for_host($this->screenitem['resourceid'], $this->hostid);
$this->screenitem['resourceid'] = !empty($newitemid) ? $newitemid : 0;
}
if ($this->screenitem['resourceid'] == 0) {
$table = new CTableInfo(_('No values found.'));
$table->setHeader(array(_('Timestamp'), _('Item')));
return $this->getOutput($table);
}
$items = CMacrosResolverHelper::resolveItemNames(array(get_item_by_itemid($this->screenitem['resourceid'])));
$item = reset($items);
switch ($item['value_type']) {
case ITEM_VALUE_TYPE_TEXT:
case ITEM_VALUE_TYPE_LOG:
$orderField = 'id';
break;
case ITEM_VALUE_TYPE_FLOAT:
case ITEM_VALUE_TYPE_UINT64:
default:
$orderField = array('itemid', 'clock');
}
$host = get_host_by_itemid($this->screenitem['resourceid']);
$table = new CTableInfo(_('No values found.'));
$table->setHeader(array(_('Timestamp'), $host['name'] . NAME_DELIMITER . $item['name_expanded']));
$stime = zbxDateToTime($this->timeline['stime']);
$histories = API::History()->get(array('history' => $item['value_type'], 'itemids' => $this->screenitem['resourceid'], 'output' => API_OUTPUT_EXTEND, 'sortorder' => ZBX_SORT_DOWN, 'sortfield' => $orderField, 'limit' => $this->screenitem['elements'], 'time_from' => $stime, 'time_till' => $stime + $this->timeline['period']));
foreach ($histories as $history) {
switch ($item['value_type']) {
case ITEM_VALUE_TYPE_FLOAT:
sscanf($history['value'], '%f', $value);
break;
case ITEM_VALUE_TYPE_TEXT:
case ITEM_VALUE_TYPE_STR:
case ITEM_VALUE_TYPE_LOG:
$value = $this->screenitem['style'] ? new CJsScript($history['value']) : $history['value'];
break;
default:
$value = $history['value'];
break;
}
if ($item['valuemapid'] > 0) {
$value = applyValueMap($value, $item['valuemapid']);
}
$class = $this->screenitem['style'] ? null : 'pre';
$table->addRow(array(zbx_date2str(DATE_TIME_FORMAT_SECONDS, $history['clock']), new CCol($value, $class)));
}
return $this->getOutput($table);
}
/**
* Format history value.
* First format the value according to the configuration of the item. Then apply the value mapping to the formatted (!)
* value.
*
* @param mixed $value
* @param array $item
* @param int $item['value_type'] type of the value: ITEM_VALUE_TYPE_FLOAT, ITEM_VALUE_TYPE_UINT64, ...
* @param string $item['units'] units of item
* @param int $item['valuemapid'] id of mapping set of values
* @param bool $trim
*
* @return string
*/
function formatHistoryValue($value, array $item, $trim = true)
{
$mapping = false;
// format value
if ($item['value_type'] == ITEM_VALUE_TYPE_FLOAT || $item['value_type'] == ITEM_VALUE_TYPE_UINT64) {
$value = convert_units(array('value' => $value, 'units' => $item['units']));
} elseif ($item['value_type'] != ITEM_VALUE_TYPE_STR && $item['value_type'] != ITEM_VALUE_TYPE_TEXT && $item['value_type'] != ITEM_VALUE_TYPE_LOG) {
$value = _('Unknown value type');
}
// apply value mapping
switch ($item['value_type']) {
case ITEM_VALUE_TYPE_STR:
$mapping = getMappedValue($value, $item['valuemapid']);
// break; is not missing here
// break; is not missing here
case ITEM_VALUE_TYPE_TEXT:
case ITEM_VALUE_TYPE_LOG:
if ($trim && zbx_strlen($value) > 20) {
$value = zbx_substr($value, 0, 20) . '...';
}
if ($mapping !== false) {
$value = $mapping . ' (' . $value . ')';
}
break;
default:
$value = applyValueMap($value, $item['valuemapid']);
}
return $value;
}
/**
* Process screen.
*
* @return CDiv (screen inside container)
*/
public function get()
{
$output = array();
$stime = zbxDateToTime($this->timeline['stime']);
$iv_string = array(ITEM_VALUE_TYPE_LOG => 1, ITEM_VALUE_TYPE_TEXT => 1);
$iv_numeric = array(ITEM_VALUE_TYPE_FLOAT => 1, ITEM_VALUE_TYPE_UINT64 => 1);
if ($this->action == 'showvalues' || $this->action == 'showlatest') {
$options = array('history' => $this->item['value_type'], 'itemids' => array_keys($this->items), 'output' => API_OUTPUT_EXTEND, 'sortorder' => ZBX_SORT_DOWN);
if ($this->action == 'showlatest') {
$options['limit'] = 500;
} elseif ($this->action == 'showvalues') {
$config = select_config();
$options['time_from'] = $stime - 10;
// some seconds to allow script to execute
$options['time_till'] = $stime + $this->timeline['period'];
$options['limit'] = $config['search_limit'];
}
// text log
if (isset($iv_string[$this->item['value_type']])) {
$isManyItems = count($this->items) > 1;
$useLogItem = $this->item['value_type'] == ITEM_VALUE_TYPE_LOG;
$useEventLogItem = strpos($this->item['key_'], 'eventlog[') === 0;
if (empty($this->plaintext)) {
$historyTable = new CTableInfo(_('No values found.'));
$historyTable->setHeader(array(_('Timestamp'), $isManyItems ? _('Item') : null, $useLogItem ? _('Local time') : null, $useEventLogItem && $useLogItem ? _('Source') : null, $useEventLogItem && $useLogItem ? _('Severity') : null, $useEventLogItem && $useLogItem ? _('Event ID') : null, _('Value')), 'header');
}
if (!zbx_empty($this->filter) && in_array($this->filterTask, array(FILTER_TASK_SHOW, FILTER_TASK_HIDE))) {
$options['search'] = array('value' => $this->filter);
if ($this->filterTask == FILTER_TASK_HIDE) {
$options['excludeSearch'] = 1;
}
}
$options['sortfield'] = 'id';
$historyData = API::History()->get($options);
foreach ($historyData as $data) {
$data['value'] = encode_log(trim($data['value'], "\r\n"));
if (empty($this->plaintext)) {
$item = $this->items[$data['itemid']];
$host = reset($item['hosts']);
$color = null;
if (isset($this->filter) && !zbx_empty($this->filter)) {
$contain = zbx_stristr($data['value'], $this->filter);
if ($contain && $this->filterTask == FILTER_TASK_MARK) {
$color = $this->markColor;
}
if (!$contain && $this->filterTask == FILTER_TASK_INVERT_MARK) {
$color = $this->markColor;
}
switch ($color) {
case MARK_COLOR_RED:
$color = 'red';
break;
case MARK_COLOR_GREEN:
$color = 'green';
break;
case MARK_COLOR_BLUE:
$color = 'blue';
break;
}
}
$row = array(nbsp(zbx_date2str(_('Y.M.d H:i:s'), $data['clock'])));
if ($isManyItems) {
$row[] = $host['name'] . NAME_DELIMITER . $item['name_expanded'];
}
if ($useLogItem) {
$row[] = $data['timestamp'] == 0 ? '-' : zbx_date2str(HISTORY_LOG_LOCALTIME_DATE_FORMAT, $data['timestamp']);
// if this is a eventLog item, showing additional info
if ($useEventLogItem) {
$row[] = zbx_empty($data['source']) ? '-' : $data['source'];
$row[] = $data['severity'] == 0 ? '-' : new CCol(get_item_logtype_description($data['severity']), get_item_logtype_style($data['severity']));
$row[] = $data['logeventid'] == 0 ? '-' : $data['logeventid'];
}
}
$row[] = new CCol($data['value'], 'pre');
$newRow = new CRow($row);
if (!is_null($color)) {
$newRow->setAttribute('class', $color);
}
$historyTable->addRow($newRow);
} else {
$output[] = zbx_date2str(HISTORY_LOG_ITEM_PLAINTEXT, $data['clock']);
$output[] = "\t" . $data['clock'] . "\t" . htmlspecialchars($data['value']) . "\n";
}
}
if (empty($this->plaintext)) {
$output[] = $historyTable;
}
} else {
if (empty($this->plaintext)) {
$historyTable = new CTableInfo(_('No values found.'));
$historyTable->setHeader(array(_('Timestamp'), _('Value')));
}
$options['sortfield'] = array('itemid', 'clock');
$historyData = API::History()->get($options);
foreach ($historyData as $data) {
$item = $this->items[$data['itemid']];
$value = $data['value'];
// format the value as float
if ($item['value_type'] == ITEM_VALUE_TYPE_FLOAT) {
sscanf($data['value'], '%f', $value);
}
// html table
if (empty($this->plaintext)) {
if ($item['valuemapid']) {
$value = applyValueMap($value, $item['valuemapid']);
}
$historyTable->addRow(array(zbx_date2str(HISTORY_ITEM_DATE_FORMAT, $data['clock']), zbx_nl2br($value)));
} else {
$output[] = zbx_date2str(HISTORY_PLAINTEXT_DATE_FORMAT, $data['clock']);
$output[] = "\t" . $data['clock'] . "\t" . htmlspecialchars($value) . "\n";
}
}
if (empty($this->plaintext)) {
$output[] = $historyTable;
}
}
}
if ($this->action == 'showgraph' && !isset($iv_string[$this->item['value_type']])) {
$this->dataId = 'historyGraph';
$containerId = 'graph_cont1';
$src = 'chart.php?itemid=' . $this->item['itemid'] . '&period=' . $this->timeline['period'] . '&stime=' . $this->timeline['stime'] . $this->getProfileUrlParams();
$output[] = new CDiv(null, 'center', $containerId);
}
// time control
if (!$this->plaintext && str_in_array($this->action, array('showvalues', 'showgraph'))) {
$graphDims = getGraphDims();
$this->timeline['starttime'] = date(TIMESTAMP_FORMAT, get_min_itemclock_by_itemid($this->item['itemid']));
$timeControlData = array('periodFixed' => CProfile::get('web.history.timelinefixed', 1), 'sliderMaximumTimePeriod' => ZBX_MAX_PERIOD);
if (!empty($this->dataId)) {
$timeControlData['id'] = $this->getDataId();
$timeControlData['containerid'] = $containerId;
$timeControlData['src'] = $src;
$timeControlData['objDims'] = $graphDims;
$timeControlData['loadSBox'] = 1;
$timeControlData['loadImage'] = 1;
$timeControlData['dynamic'] = 1;
} else {
$this->dataId = 'historyGraph';
$timeControlData['id'] = $this->getDataId();
$timeControlData['mainObject'] = 1;
}
if ($this->mode == SCREEN_MODE_JS) {
$timeControlData['dynamic'] = 0;
return 'timeControl.addObject("' . $this->getDataId() . '", ' . zbx_jsvalue($this->timeline) . ', ' . zbx_jsvalue($timeControlData) . ');';
} else {
zbx_add_post_js('timeControl.addObject("' . $this->getDataId() . '", ' . zbx_jsvalue($this->timeline) . ', ' . zbx_jsvalue($timeControlData) . ');');
}
}
if (!empty($this->plaintext)) {
return $output;
} else {
if ($this->mode != SCREEN_MODE_JS) {
$flickerfreeData = array('itemids' => $this->itemids, 'action' => $this->action, 'filter' => $this->filter, 'filterTask' => $this->filterTask, 'markColor' => $this->markColor);
return $this->getOutput($output, true, $flickerfreeData);
}
}
}
/**
* Process screen.
*
* @return CDiv (screen inside container)
*/
public function get()
{
$output = [];
$items = API::Item()->get(['output' => ['itemid', 'hostid', 'name', 'key_', 'value_type', 'valuemapid'], 'selectHosts' => ['name'], 'itemids' => $this->itemids, 'webitems' => true, 'preservekeys' => true]);
$items = CMacrosResolverHelper::resolveItemNames($items);
$stime = zbxDateToTime($this->timeline['stime']);
$firstItem = reset($items);
$iv_string = [ITEM_VALUE_TYPE_LOG => 1, ITEM_VALUE_TYPE_TEXT => 1];
$iv_numeric = [ITEM_VALUE_TYPE_FLOAT => 1, ITEM_VALUE_TYPE_UINT64 => 1];
if ($this->action == HISTORY_VALUES || $this->action == HISTORY_LATEST) {
$options = ['history' => $firstItem['value_type'], 'itemids' => $this->itemids, 'output' => API_OUTPUT_EXTEND, 'sortorder' => ZBX_SORT_DOWN];
if ($this->action == HISTORY_LATEST) {
$options['limit'] = 500;
} elseif ($this->action == HISTORY_VALUES) {
$config = select_config();
// interval start value is non-inclusive, hence the + 1 second
$options['time_from'] = $stime + 1;
$options['time_till'] = $stime + $this->timeline['period'];
$options['limit'] = $config['search_limit'];
}
// text log
if (isset($iv_string[$firstItem['value_type']])) {
$isManyItems = count($items) > 1;
$useLogItem = $firstItem['value_type'] == ITEM_VALUE_TYPE_LOG;
$useEventLogItem = strpos($firstItem['key_'], 'eventlog[') === 0;
if (empty($this->plaintext)) {
$historyTable = (new CTableInfo())->setHeader([(new CColHeader(_('Timestamp')))->addClass(ZBX_STYLE_CELL_WIDTH), $isManyItems ? _('Item') : null, $useLogItem ? (new CColHeader(_('Local time')))->addClass(ZBX_STYLE_CELL_WIDTH) : null, $useEventLogItem && $useLogItem ? (new CColHeader(_('Source')))->addClass(ZBX_STYLE_CELL_WIDTH) : null, $useEventLogItem && $useLogItem ? (new CColHeader(_('Severity')))->addClass(ZBX_STYLE_CELL_WIDTH) : null, $useEventLogItem && $useLogItem ? (new CColHeader(_('Event ID')))->addClass(ZBX_STYLE_CELL_WIDTH) : null, _('Value')]);
}
if ($this->filter !== '' && in_array($this->filterTask, [FILTER_TASK_SHOW, FILTER_TASK_HIDE])) {
$options['search'] = ['value' => $this->filter];
if ($this->filterTask == FILTER_TASK_HIDE) {
$options['excludeSearch'] = 1;
}
}
$options['sortfield'] = 'id';
$historyData = API::History()->get($options);
foreach ($historyData as $data) {
$data['value'] = rtrim($data['value'], " \t\r\n");
if (empty($this->plaintext)) {
$item = $items[$data['itemid']];
$host = reset($item['hosts']);
$color = null;
if ($this->filter !== '') {
$haystack = mb_strtolower($data['value']);
$needle = mb_strtolower($this->filter);
$pos = mb_strpos($haystack, $needle);
if ($pos !== false && $this->filterTask == FILTER_TASK_MARK) {
$color = $this->markColor;
} elseif ($pos === false && $this->filterTask == FILTER_TASK_INVERT_MARK) {
$color = $this->markColor;
}
switch ($color) {
case MARK_COLOR_RED:
$color = ZBX_STYLE_RED;
break;
case MARK_COLOR_GREEN:
$color = ZBX_STYLE_GREEN;
break;
case MARK_COLOR_BLUE:
$color = ZBX_STYLE_BLUE;
break;
}
}
$row = [];
$row[] = (new CCol(zbx_date2str(DATE_TIME_FORMAT_SECONDS, $data['clock'])))->addClass(ZBX_STYLE_NOWRAP)->addClass($color);
if ($isManyItems) {
$row[] = (new CCol($host['name'] . NAME_DELIMITER . $item['name_expanded']))->addClass($color);
}
if ($useLogItem) {
$row[] = $data['timestamp'] != 0 ? (new CCol(zbx_date2str(DATE_TIME_FORMAT_SECONDS, $data['timestamp'])))->addClass(ZBX_STYLE_NOWRAP)->addClass($color) : '';
// if this is a eventLog item, showing additional info
if ($useEventLogItem) {
$row[] = (new CCol($data['source']))->addClass(ZBX_STYLE_NOWRAP)->addClass($color);
$row[] = $data['severity'] != 0 ? (new CCol(get_item_logtype_description($data['severity'])))->addClass(ZBX_STYLE_NOWRAP)->addClass(get_item_logtype_style($data['severity'])) : '';
$row[] = $data['logeventid'] != 0 ? (new CCol($data['logeventid']))->addClass(ZBX_STYLE_NOWRAP)->addClass($color) : '';
}
}
$row[] = (new CCol(new CPre(zbx_nl2br($data['value']))))->addClass($color);
$historyTable->addRow($row);
} else {
$output[] = zbx_date2str(DATE_TIME_FORMAT_SECONDS, $data['clock']) . ' ' . $data['clock'] . ' ' . htmlspecialchars($data['value']);
}
}
if (empty($this->plaintext)) {
$output[] = $historyTable;
}
} else {
if (empty($this->plaintext)) {
$historyTable = (new CTableInfo())->setHeader([(new CColHeader(_('Timestamp')))->addClass(ZBX_STYLE_CELL_WIDTH), _('Value')]);
}
$options['sortfield'] = ['itemid', 'clock'];
$historyData = API::History()->get($options);
foreach ($historyData as $data) {
$item = $items[$data['itemid']];
$value = rtrim($data['value'], " \t\r\n");
// format the value as float
if ($item['value_type'] == ITEM_VALUE_TYPE_FLOAT) {
sscanf($data['value'], '%f', $value);
}
// html table
if (empty($this->plaintext)) {
if ($item['valuemapid']) {
$value = applyValueMap($value, $item['valuemapid']);
}
$historyTable->addRow([(new CCol(zbx_date2str(DATE_TIME_FORMAT_SECONDS, $data['clock'])))->addClass(ZBX_STYLE_NOWRAP), new CPre(zbx_nl2br($value))]);
} else {
$output[] = zbx_date2str(DATE_TIME_FORMAT_SECONDS, $data['clock']) . ' ' . $data['clock'] . ' ' . htmlspecialchars($value);
}
}
if (empty($this->plaintext)) {
$output[] = $historyTable;
}
}
}
// time control
if (!$this->plaintext && str_in_array($this->action, [HISTORY_VALUES, HISTORY_GRAPH, HISTORY_BATCH_GRAPH])) {
$graphDims = getGraphDims();
$this->timeline['starttime'] = date(TIMESTAMP_FORMAT, get_min_itemclock_by_itemid($firstItem['itemid']));
$this->dataId = 'historyGraph';
$timeControlData = ['periodFixed' => CProfile::get('web.history.timelinefixed', 1), 'sliderMaximumTimePeriod' => ZBX_MAX_PERIOD];
if (($this->action == HISTORY_GRAPH || $this->action == HISTORY_BATCH_GRAPH) && !isset($iv_string[$firstItem['value_type']])) {
$containerId = 'graph_cont1';
$output[] = (new CDiv())->addClass('center')->setId($containerId);
$timeControlData['id'] = $this->getDataId();
$timeControlData['containerid'] = $containerId;
$timeControlData['src'] = $this->getGraphUrl($this->itemids);
$timeControlData['objDims'] = $graphDims;
$timeControlData['loadSBox'] = 1;
$timeControlData['loadImage'] = 1;
$timeControlData['dynamic'] = 1;
} else {
$timeControlData['id'] = $this->getDataId();
$timeControlData['mainObject'] = 1;
}
if ($this->mode == SCREEN_MODE_JS) {
$timeControlData['dynamic'] = 0;
return 'timeControl.addObject("' . $this->getDataId() . '", ' . CJs::encodeJson($this->timeline) . ', ' . CJs::encodeJson($timeControlData) . ');';
} else {
zbx_add_post_js('timeControl.addObject("' . $this->getDataId() . '", ' . CJs::encodeJson($this->timeline) . ', ' . CJs::encodeJson($timeControlData) . ');');
}
}
if (!empty($this->plaintext)) {
return $output;
} else {
if ($this->mode != SCREEN_MODE_JS) {
$flickerfreeData = ['itemids' => $this->itemids, 'action' => $this->action == HISTORY_BATCH_GRAPH ? HISTORY_GRAPH : $this->action, 'filter' => $this->filter, 'filterTask' => $this->filterTask, 'markColor' => $this->markColor];
return $this->getOutput($output, true, $flickerfreeData);
}
}
}
/**
* Format item lastvalue.
* First format the value according to the configuration of the item. Then apply the value mapping to the formatted (!)
* value.
*
* @param array $item
* @param string $unknownString the text to be used if the item has no data
*
* @return string
*/
function formatItemValue(array $item, $unknownString = '-')
{
if (!isset($item['lastvalue']) || $item['lastclock'] == 0) {
return $unknownString;
}
$value = formatItemValueType($item);
if ($item['valuemapid'] > 0) {
$value = applyValueMap($value, $item['valuemapid']);
}
return $value;
}
/**
* Expand functional macros in given map label.
*
* @param string $label label to expand
* @param array $replaceHosts list of hosts in order which they appear in trigger expression if trigger label is given,
* or single host when host label is given
*
* @return string expanded label
*/
function resolveMapLabelMacros($label, $replaceHosts = null)
{
// find functional macro pattern
$pattern = null === $replaceHosts ? '/{' . ZBX_PREG_HOST_FORMAT . ":.+\\.(last|max|min|avg)\\([0-9]+[smhdwKMGT]?\\)}/Uu" : '/{(' . ZBX_PREG_HOST_FORMAT . "|{HOSTNAME[0-9]?}|{HOST.HOST[0-9]?}):.+\\.(last|max|min|avg)\\([0-9]+[smhdwKMGT]?\\)}/Uu";
preg_match_all($pattern, $label, $matches);
// for each functional macro
foreach ($matches[0] as $expr) {
$macro = $expr;
if ($replaceHosts !== null) {
// search for macros with all possible indecies
foreach ($replaceHosts as $i => $host) {
$macroTmp = $macro;
// repalce only macro in first position
$macro = preg_replace('/{({HOSTNAME' . $i . '}|{HOST.HOST' . $i . '}):(.*)}/U', '{' . $host['host'] . ':$2}', $macro);
// only one simple macro possible inside functional macro
if ($macro != $macroTmp) {
break;
}
}
}
// try to create valid expression
$expressionData = new CTriggerExpression();
if (!$expressionData->parse($macro) || !isset($expressionData->expressions[0])) {
continue;
}
// look in DB for coressponding item
$itemHost = $expressionData->expressions[0]['host'];
$key = $expressionData->expressions[0]['item'];
$function = $expressionData->expressions[0]['functionName'];
$parameter = convertFunctionValue($expressionData->expressions[0]['functionParamList'][0]);
$item = API::Item()->get(array('webitems' => true, 'filter' => array('host' => $itemHost, 'key_' => $key), 'output' => array('lastclock', 'value_type', 'lastvalue', 'units', 'valuemapid')));
$item = reset($item);
// if no corresponding item found with functional macro key and host
if (!$item) {
$label = str_replace($expr, '???', $label);
continue;
}
// do function type (last, min, max, avg) related actions
if (0 == strcmp($function, 'last')) {
if ($item['lastclock'] == 0) {
$label = str_replace($expr, '(' . _('no data') . ')', $label);
} else {
$mapping = false;
$value = formatItemValueType($item);
switch ($item['value_type']) {
case ITEM_VALUE_TYPE_STR:
$mapping = getMappedValue($value, $item['valuemapid']);
// break; is not missing here
// break; is not missing here
case ITEM_VALUE_TYPE_TEXT:
case ITEM_VALUE_TYPE_LOG:
if ($mapping !== false) {
$value = $mapping . ' (' . $value . ')';
}
break;
default:
$value = applyValueMap($value, $item['valuemapid']);
}
}
if (isset($value)) {
$label = str_replace($expr, $value, $label);
}
} elseif (0 == strcmp($function, 'min') || 0 == strcmp($function, 'max') || 0 == strcmp($function, 'avg')) {
// allowed item types for min, max and avg function
$history_table = array(ITEM_VALUE_TYPE_FLOAT => 'history', ITEM_VALUE_TYPE_UINT64 => 'history_uint');
if (!isset($history_table[$item['value_type']])) {
$label = str_replace($expr, '???', $label);
continue;
}
// search for item function data in DB corresponding history tables
$result = DBselect('SELECT ' . $function . '(value) AS value' . ' FROM ' . $history_table[$item['value_type']] . ' WHERE clock>' . (time() - $parameter) . ' AND itemid=' . zbx_dbstr($item['itemid']));
if (null === ($row = DBfetch($result))) {
$label = str_replace($expr, '(' . _('no data') . ')', $label);
} else {
$label = str_replace($expr, convert_units($row['value'], $item['units']), $label);
}
}
}
return $label;
}
