| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Aptarus\PromClient; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use PDO; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Aptarus\PromClient\Utility as U; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | class Metric | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |     static $metrics_db = null; | 
                            
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                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     public function __construct($typ, $var, $help, $labels, $label_values) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |         if (!preg_match('/^[a-zA-Z_:][a-zA-Z0-9_:]*$/', $var)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |             throw new Exceptions\InvalidName(sprintf( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |                 "Metric name '%s' is invalid", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |                 $var | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |             )); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |         $this->typ = $typ; | 
                            
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                | 21 |  |  |         $this->var = $var; | 
                            
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                | 22 |  |  |         $this->help = $help; | 
                            
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                | 23 |  |  |         $this->labels = $labels; | 
                            
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                | 24 |  |  |         $this->label_values = $label_values; | 
                            
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                | 25 |  |  |         if (!self::$metrics_db) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |             self::$metrics_db = U\PromClientOpenDB(Configuration::$storage_dir); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |         $sth = self::$metrics_db-> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |             prepare('INSERT INTO meta (var, typ, help) VALUES (?, ?, ?)'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         $sth->execute(array($this->var, $this->typ, $this->help)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     protected function metricInc($var_value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         $sth = self::$metrics_db-> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |             prepare('INSERT OR IGNORE INTO metrics | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |             (value,label_values,var,labels) VALUES (?, ?, ?, ?)'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |         $sth->execute(array(0, serialize($this->label_values), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |             $this->var, serialize($this->labels))); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         $sth = self::$metrics_db-> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |             prepare('UPDATE metrics | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |                         SET value = value + ?, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |                             label_values = ? | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |                      WHERE var = ? AND labels = ?'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |         $sth->execute(array($var_value, serialize($this->label_values), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |                       $this->var, serialize($this->labels))); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |         $this->label_values = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 49 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 50 |  |  |     protected function metricSet($var_value) | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  |         $sth = self::$metrics_db-> | 
            
                                                                        
                            
            
                                    
            
            
                | 53 |  |  |             prepare( | 
            
                                                                        
                            
            
                                    
            
            
                | 54 |  |  |                 'INSERT INTO metrics (value, label_values, var, labels) | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  |                         VALUES (?, ?, ?, ?)' | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  |             ); | 
            
                                                                        
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 58 |  |  |         $sth->execute(array($var_value, serialize($this->label_values), | 
            
                                                                        
                            
            
                                    
            
            
                | 59 |  |  |             $this->var, serialize($this->labels))); | 
            
                                                                        
                            
            
                                    
            
            
                | 60 |  |  |         $this->label_values = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 64 |  |  | // vim:sw=4 ts=4 et | 
            
                                                        
            
                                    
            
            
                | 65 |  |  |  | 
            
                        
The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using
the property is implicitly global.
To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2.