application/widgets/netw_health/netw_health.php

   1 <?php defined('SYSPATH') OR die('No direct access allowed.');
   2 /**
   3  * Network health widget
   4  *
   5  * @author op5 AB
   6 */
   7 class Netw_health_Widget extends widget_Base {
   8         protected $duplicatable = true;
   9
  10         # define warning/critical limit
  11         private $health_warning_percentage = 90;
  12         private $health_critical_percentage = 75;
  13         private $visible_precision = 2;
  14         private $host_img = false;
  15         private $service_img = false;
  16         private $crit_img = '/images/thermcrit.png';
  17         private $warn_img = '/images/thermwarn.png';
  18         private $ok_img = '/images/thermok.png';
  19         private $host_val = false;
  20         private $service_val = false;
  21
  22         private $netw_health_config = <<<EOC
  23 - HOSTS
  24 [hosts] scheduled_downtime_depth=0
  25 [hosts] state = 0
  26 - SERVICE
  27 [services] host.scheduled_downtime_depth=0 and scheduled_downtime_depth=0
  28 [services] state = 0
  29 EOC;
  30
  31         public function __construct($model)
  32         {
  33                 parent::__construct($model);
  34
  35                 $this->health_warning_percentage =
  36                 isset($this->model->setting['health_warning_percentage'])
  37                 ? $this->model->setting['health_warning_percentage']
  38                 : $this->health_warning_percentage;
  39
  40                 $this->health_critical_percentage =
  41                 isset($this->model->setting['health_critical_percentage'])
  42                 ? $this->model->setting['health_critical_percentage']
  43                 : $this->health_critical_percentage;
  44
  45                 $this->visible_precision =
  46                 isset($this->model->setting['visible_precision'])
  47                 ? $this->model->setting['visible_precision']
  48                 : $this->visible_precision;
  49 /* Remove this configuration for now... due to the awfulness of the
  50  * configuration interface, this shouldn't be nessecary to support in the
  51  * future.
  52  *
  53  * There isn't a feature request with this, so let's remove it...
  54                 $this->netw_health_config =
  55                 isset($this->model->setting['netw_health_config'])
  56                 ? $this->model->setting['netw_health_config']
  57                 : $this->netw_health_config;
  58 */
  59         }
  60
  61         public function options()
  62         {
  63                 $options = parent::options();
  64                 $options[] = new option($this->model->name, 'health_warning_percentage', 'Warning Percentage Level', 'input', array(
  65                         'style' => 'width:20px',
  66                         'title' => sprintf(_('Default value: %s%%'), 90)), $this->health_warning_percentage);
  67                 $options[] = new option($this->model->name, 'health_critical_percentage', 'Critical Percentage Level', 'input', array(
  68                         'style' => 'width:20px',
  69                         'title' => sprintf(_('Default value: %s%%'), 75)), $this->health_warning_percentage);
  70                 $options[] = new option($this->model->name, 'visible_precision', 'Precision', 'input', array(
  71                         'style' => 'width:20px',
  72                         'title' => sprintf(_('Default value: %d'), 1)), $this->visible_precision);
  73 /*
  74  * Because the configuration is to hard for now to support, this is commented out.
  75  *
  76  * Otherwise this can be configured here...
  77  */
  78 //              $options[] = new option($this->model->name, 'netw_health_config', 'Configuration', 'textarea', array(), $this->netw_health_config);
  79
  80                 return $options;
  81         }
  82
  83         public function index()
  84         {
  85                 # fetch widget view path
  86                 $view_path = $this->view_path('view');
  87
  88                 $health_warning_percentage = $this->health_warning_percentage;
  89                 $health_critical_percentage = $this->health_critical_percentage;
  90
  91                 $visible_precision = intval( $this->visible_precision );
  92                 if( $visible_precision < -1 ) $visible_precision = -1;
  93                 if( $visible_precision > 10 ) $visible_precision = 10;
  94
  95                 /*
  96                  * Parse configuration text
  97                  *
  98                  * Sets $bars to an array where each element is a array of three values, containing:
  99                  * - Name of bar
 100                  * - Query matching elements defining the set to measure on
 101                  * - Query matching which elements is included in the percentatage
 102                  *
 103                  * Both queries needs to work on the same table.
 104                  */
 105                 $blocks = array();
 106                 $bar_configs = array();
 107                 foreach( explode("\n",$this->netw_health_config) as $line ) {
 108                         $line = trim($line);
 109                         if( $line == '' )
 110                                 continue;
 111                         if( $line[0] == '-' ) {
 112                                 if( count($blocks) == 3 ) {
 113                                         $bar_configs[] = $blocks;
 114                                 }
 115                                 $blocks = array(trim(substr($line,1)));
 116                         } else {
 117                                 $blocks[] = $line;
 118                         }
 119                 }
 120                 if( count($blocks) == 3 ) {
 121                         $bar_configs[] = $blocks;
 122                 }
 123
 124                 /* Calculate stats */
 125                 $bars = array();
 126                 foreach($bar_configs as $bar) {
 127                         list($name, $all_query, $sel_query) = $bar;
 128                         $set_all = ObjectPool_Model::get_by_query($all_query);
 129                         $set_sel = ObjectPool_Model::get_by_query($sel_query);
 130                         list($count_all, $count_sel) = $set_all->stats(array($set_all, $set_sel));
 131                         if( $count_all == 0 ) $count_all = 1;
 132                         $bars[] = array(
 133                                 'label' => $name,
 134                                 'value' => 100.0*$count_sel/$count_all
 135                                 );
 136                 }
 137
 138                 # set required extra resources
 139                 require($view_path);
 140         }
 141 }