494 lines
14 KiB
PHP
494 lines
14 KiB
PHP
<?php
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namespace ZM;
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$validConjunctionTypes = null;
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function getFilterQueryConjunctionTypes() {
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if ( !isset($validConjunctionTypes ) ) {
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$validConjunctionTypes = array(
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'and' => translate('ConjAnd'),
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'or' => translate('ConjOr')
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);
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}
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return $validConjunctionTypes;
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}
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class FilterTerm {
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public $filter;
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public $index;
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public $attr;
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public $op;
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public $val;
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public $values;
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public $cnj;
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public $obr;
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public $cbr;
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public function __construct($filter = null, $term = NULL, $index=0) {
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$this->filter = $filter;
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$validConjunctionTypes = getFilterQueryConjunctionTypes();
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$this->index = $index;
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$this->attr = $term['attr'];
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$this->op = $term['op'];
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$this->val = $term['val'];
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if ( isset($term['cnj']) ) {
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if ( array_key_exists($term['cnj'], $validConjunctionTypes) ) {
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$this->cnj = $term['cnj'];
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} else {
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Warning('Invalid cnj ' . $term['cnj'].' in '.print_r($term, true));
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}
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}
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if ( isset($term['tablename']) ) {
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$this->tablename = $term['tablename'];
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} else {
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$this->tablename = 'E';
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}
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if ( isset($term['obr']) ) {
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if ( (string)(int)$term['obr'] == $term['obr'] ) {
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$this->obr = $term['obr'];
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} else {
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Warning('Invalid obr ' . $term['obr'] . ' in ' . print_r($term, true));
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}
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}
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if ( isset($term['cbr']) ) {
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if ( (string)(int)$term['cbr'] == $term['cbr'] ) {
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$this->cbr = $term['cbr'];
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} else {
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Warning('Invalid cbr ' . $term['cbr'] . ' in ' . print_r($term, true));
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}
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}
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} # end function __construct
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# Returns an array of values. AS term->value can be a list, we will break it apart, remove quotes etc
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public function sql_values() {
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$values = array();
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if ( !isset($this->val) ) {
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Logger::Warning('No value in term'.$this->attr);
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return $values;
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}
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$vals = is_array($this->val) ? $this->val : preg_split('/["\'\s]*?,["\'\s]*?/', preg_replace('/^["\']+?(.+)["\']+?$/', '$1', $this->val));
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foreach ( $vals as $value ) {
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$value_upper = strtoupper($value);
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switch ( $this->attr ) {
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case 'AlarmedZoneId':
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$value = '(SELECT * FROM Stats WHERE EventId=E.Id AND ZoneId='.$value.')';
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break;
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case 'ExistsInFileSystem':
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$value = '';
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break;
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case 'DiskPercent':
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$value = '';
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break;
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case 'MonitorName':
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case 'MonitorName':
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case 'Name':
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case 'Cause':
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case 'Notes':
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if ( strstr($this->op, 'LIKE') and ! strstr($this->val, '%' ) ) {
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$value = '%'.$value.'%';
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}
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$value = dbEscape($value);
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break;
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case 'MonitorServerId':
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case 'FilterServerId':
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case 'StorageServerId':
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case 'ServerId':
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if ( $value == 'ZM_SERVER_ID' ) {
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$value = ZM_SERVER_ID;
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} else if ( $value_upper == 'NULL' ) {
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} else {
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$value = dbEscape($value);
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}
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break;
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case 'StorageId':
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if ( $value_upper != 'NULL' ) {
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$value = dbEscape($value);
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}
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break;
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case 'DateTime':
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case 'StartDateTime':
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case 'EndDateTime':
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if ( $value_upper != 'NULL' )
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$value = '\''.strftime(STRF_FMT_DATETIME_DB, strtotime($value)).'\'';
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break;
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case 'Date':
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case 'StartDate':
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case 'EndDate':
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if ( $value_upper == 'CURDATE()' or $value_upper == 'NOW()' ) {
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$value = 'to_days('.$value.')';
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} else if ( $value_upper != 'NULL' ) {
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$value = 'to_days(\''.strftime(STRF_FMT_DATETIME_DB, strtotime($value)).'\')';
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}
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break;
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case 'Time':
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case 'StartTime':
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case 'EndTime':
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if ( $value_upper != 'NULL' )
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$value = 'extract(hour_second from \''.strftime(STRF_FMT_DATETIME_DB, strtotime($value)).'\')';
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break;
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default :
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if ( $value == 'Odd' ) {
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$value = 1;
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} else if ( $value == 'Even' ) {
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$value = 0;
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} else if ( $value_upper != 'NULL' )
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$value = dbEscape($value);
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break;
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}
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$values[] = $value;
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} // end foreach value
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return $values;
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} # end function sql_values
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public function sql_operator() {
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switch ($this->attr) {
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case 'AlarmedZoneId':
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return ' EXISTS ';
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case 'ExistsInFileSystem':
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case 'DiskPercent':
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return '';
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}
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switch ( $this->op ) {
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case '=' :
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case '!=' :
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case '>=' :
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case '>' :
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case '<' :
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case '<=' :
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case 'LIKE' :
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case 'NOT LIKE':
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return ' '.$this->op.' ';
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case '=~' :
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return ' regexp ';
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case '!~' :
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return ' not regexp ';
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case '=[]' :
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case 'IN' :
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return ' IN ';
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case '![]' :
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return ' NOT IN ';
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case 'EXISTS' :
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return ' EXISTS ';
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case 'IS' :
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# Odd will be replaced with 1
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# Even will be replaced with 0
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if ( $this->val == 'Odd' or $this->val == 'Even' ) {
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return ' % 2 = ';
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} else {
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return ' IS ';
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}
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case 'IS NOT' :
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if ( $this->val == 'Odd' or $this->val == 'Even' ) {
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return ' % 2 = ';
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}
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return ' IS NOT ';
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default:
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Warning('Invalid operator in filter: ' . print_r($this->op, true));
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} // end switch op
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} # end public function sql_operator
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/* Some terms don't have related SQL */
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public function sql() {
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$sql = '';
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if ( isset($this->cnj) ) {
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$sql .= ' '.$this->cnj;
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}
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if ( isset($this->obr) ) {
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$sql .= ' '.str_repeat('(', $this->obr);
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}
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$sql .= ' ';
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switch ( $this->attr ) {
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case 'AlarmedZoneId':
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$sql .= '/* AlarmedZoneId */ ';
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break;
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case 'ExistsInFileSystem':
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case 'DiskPercent':
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$sql .= 'TRUE /*'.$this->attr.'*/';
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break;
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case 'MonitorName':
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$sql .= 'M.Name';
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break;
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case 'ServerId':
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case 'MonitorServerId':
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$sql .= 'M.ServerId';
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break;
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case 'StorageServerId':
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$sql .= 'S.ServerId';
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break;
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case 'FilterServerId':
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$sql .= ZM_SERVER_ID;
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break;
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# Unspecified start or end, so assume start, this is to support legacy filters
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case 'DateTime':
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$sql .= 'E.StartDateTime';
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break;
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case 'Date':
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$sql .= 'to_days(E.StartDateTime)';
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break;
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case 'Time':
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$sql .= 'extract(hour_second FROM E.StartDateTime)';
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break;
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case 'Weekday':
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$sql .= 'weekday(E.StartDateTime)';
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break;
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# Starting Time
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case 'StartDateTime':
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$sql .= 'E.StartDateTime';
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break;
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case 'FrameId':
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$sql .= 'Id';
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break;
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case 'Type':
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case 'TimeStamp':
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case 'Delta':
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case 'Score':
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$sql .= $this->attr;
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break;
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case 'FramesEventId':
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$sql .= 'F.EventId';
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break;
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case 'StartDate':
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$sql .= 'to_days(E.StartDateTime)';
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break;
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case 'StartTime':
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$sql .= 'extract(hour_second FROM E.StartDateTime)';
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break;
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case 'StartWeekday':
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$sql .= 'weekday(E.StartDateTime)';
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break;
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# Ending Time
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case 'EndDateTime':
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$sql .= 'E.EndDateTime';
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break;
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case 'EndDate':
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$sql .= 'to_days(E.EndDateTime)';
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break;
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case 'EndTime':
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$sql .= 'extract(hour_second FROM E.EndDateTime)';
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break;
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case 'EndWeekday':
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$sql .= 'weekday(E.EndDateTime)';
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break;
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case 'Emailed':
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case 'Id':
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case 'Name':
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case 'DiskSpace':
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case 'MonitorId':
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case 'StorageId':
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case 'SecondaryStorageId':
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case 'Length':
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case 'Frames':
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case 'AlarmFrames':
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case 'TotScore':
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case 'AvgScore':
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case 'MaxScore':
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case 'Cause':
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case 'Notes':
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case 'StateId':
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case 'Archived':
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$sql .= $this->tablename.'.'.$this->attr;
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break;
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default :
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$sql .= $this->tablename.'.'.$this->attr;
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}
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$sql .= $this->sql_operator();
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$values = $this->sql_values();
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if ( (count($values) > 1) or ($this->op == 'IN') or ($this->op == 'NOT IN') ) {
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$sql .= '('.join(',', $values).')';
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} else {
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$sql .= $values[0];
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}
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if ( isset($this->cbr) ) {
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$sql .= ' '.str_repeat(')', $this->cbr);
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}
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$sql .= PHP_EOL;
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return $sql;
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} # end public function sql
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public function querystring($objectname='filter', $querySep='&') {
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# We don't validate the term parameters here
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$query = '';
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if ( $this->cnj )
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$query .= $querySep.urlencode($objectname.'[Query][terms]['.$this->index.'][cnj]').'='.$this->cnj;
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if ( $this->obr )
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$query .= $querySep.urlencode($objectname.'[Query][terms]['.$this->index.'][obr]').'='.$this->obr;
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$query .= $querySep.urlencode($objectname.'[Query][terms]['.$this->index.'][attr]').'='.urlencode($this->attr);
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$query .= $querySep.urlencode($objectname.'[Query][terms]['.$this->index.'][op]').'='.urlencode($this->op);
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$query .= $querySep.urlencode($objectname.'[Query][terms]['.$this->index.'][val]').'='.urlencode($this->val);
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if ( $this->cbr )
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$query .= $querySep.urlencode($objectname.'[Query][terms]['.$this->index.'][cbr]').'='.$this->cbr;
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return $query;
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} # end public function querystring
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public function hidden_fields() {
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$html ='';
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if ( $this->cnj )
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$html .= '<input type="hidden" name="filter[Query][terms]['.$this->index.'][cnj]" value="'.$this->cnj.'"/>'.PHP_EOL;
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if ( $this->obr )
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$html .= '<input type="hidden" name="filter[Query][terms]['.$this->index.'][obr]" value="'.$this->obr.'"/>'.PHP_EOL;
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# attr should have been already validation, so shouldn't need htmlspecialchars
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$html .= '<input type="hidden" name="filter[Query][terms]['.$this->index.'][attr]" value="'.htmlspecialchars($this->attr).'"/>'.PHP_EOL;
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$html .= '<input type="hidden" name="filter[Query][terms]['.$this->index.'][op]" value="'.htmlspecialchars($this->op).'"/>'.PHP_EOL;
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$html .= '<input type="hidden" name="filter[Query][terms]['.$this->index.'][val]" value="'.htmlspecialchars($this->val).'"/>'.PHP_EOL;
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if ( $this->cbr )
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$html .= '<input type="hidden" name="filter[Query][terms]['.$this->index.'][cbr]" value="'.$this->cbr.'"/>'.PHP_EOL;
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return $html;
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} # end public function hiddens_fields
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public function test($event=null) {
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if ( !isset($event) ) {
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# Is a Pre Condition
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Debug("Testing " . $this->attr);
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if ( $this->attr == 'DiskPercent' ) {
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# The logic on this is really ugly. We are going to treat it as an OR
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foreach ( $this->filter->get_StorageAreas() as $storage ) {
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$string_to_eval = 'return $storage->disk_usage_percent() '.$this->op.' '.$this->val.';';
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try {
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$ret = eval($string_to_eval);
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Debug("Evalled $string_to_eval = $ret");
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if ( $ret )
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return true;
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} catch ( Throwable $t ) {
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Error('Failed evaluating '.$string_to_eval);
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return false;
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}
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} # end foreach Storage Area
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} else if ( $this->attr == 'SystemLoad' ) {
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$string_to_eval = 'return getLoad() '.$this->op.' '.$this->val.';';
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try {
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$ret = eval($string_to_eval);
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Debug("Evaled $string_to_eval = $ret");
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if ( $ret )
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return true;
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} catch ( Throwable $t ) {
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Error('Failed evaluating '.$string_to_eval);
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return false;
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}
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} else {
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Error('testing unsupported pre term ' . $this->attr);
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}
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} else {
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# Is a Post Condition
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if ( $this->attr == 'ExistsInFileSystem' ) {
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if (
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($this->op == 'IS' and $this->val == 'True')
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or
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($this->op == 'IS NOT' and $this->val == 'False')
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) {
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return file_exists($event->Path());
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} else {
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return !file_exists($event->Path());
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}
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} else if ( $this->attr == 'DiskPercent' ) {
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$string_to_eval = 'return $event->Storage()->disk_usage_percent() '.$this->op.' '.$this->val.';';
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try {
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$ret = eval($string_to_eval);
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Debug("Evalled $string_to_eval = $ret");
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if ( $ret )
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return true;
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} catch ( Throwable $t ) {
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Error('Failed evaluating '.$string_to_eval);
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return false;
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}
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} else if ( $this->attr == 'DiskBlocks' ) {
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$string_to_eval = 'return $event->Storage()->disk_usage_blocks() '.$this->op.' '.$this->val.';';
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try {
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$ret = eval($string_to_eval);
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Debug("Evalled $string_to_eval = $ret");
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if ( $ret )
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return true;
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} catch ( Throwable $t ) {
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Error('Failed evaluating '.$string_to_eval);
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return false;
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}
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} else {
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Error('testing unsupported post term ' . $this->attr);
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}
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}
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return false;
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}
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public function is_pre_sql() {
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if ( $this->attr == 'DiskPercent' )
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return true;
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if ( $this->attr == 'DiskBlocks' )
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return true;
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return false;
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}
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public function is_post_sql() {
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if ( $this->attr == 'ExistsInFileSystem' ) {
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return true;
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}
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return false;
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}
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public static function is_valid_attr($attr) {
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$attrs = array(
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'Score',
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'Delta',
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'TimeStamp',
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'Type',
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'FrameId',
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'EventId',
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'ExistsInFileSystem',
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'Emailed',
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'DiskSpace',
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'DiskPercent',
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'DiskBlocks',
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'MonitorName',
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'ServerId',
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'MonitorServerId',
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'StorageServerId',
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'FilterServerId',
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'DateTime',
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'Date',
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'Time',
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'Weekday',
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'StartDateTime',
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'FramesId',
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'FramesEventId',
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'StartDate',
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'StartTime',
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'StartWeekday',
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'EndDateTime',
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'EndDate',
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'EndTime',
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'EndWeekday',
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'Id',
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'Name',
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'MonitorId',
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'StorageId',
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'SecondaryStorageId',
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'Length',
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'Frames',
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'AlarmFrames',
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'TotScore',
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'AvgScore',
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'MaxScore',
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'Cause',
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'Notes',
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'StateId',
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'Archived'
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);
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return in_array($attr, $attrs);
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}
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} # end class FilterTerm
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?>
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