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1 | <?php |
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2 | $defflip = (!cfip()) ? exit(header('HTTP/1.1 401 Unauthorized')) : 1; |
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3 | |||
4 | /** |
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5 | * A wrapper class used to store values transparently in memcache |
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6 | * Can be enabled or disabled through site configuration |
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7 | * Also sets a default time if no time is passed to it to enforce caching |
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8 | **/ |
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9 | class StatsCache { |
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10 | private $cache, $round; |
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11 | |||
12 | public function __construct($config, $debug) { |
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13 | $this->config = $config; |
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14 | $this->debug = $debug; |
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15 | if (! $config['memcache']['enabled'] ) { |
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16 | $this->debug->append("Not storing any values in memcache"); |
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17 | } else { |
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18 | if (PHP_OS == 'WINNT') { |
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19 | require_once(CLASS_DIR . '/memcached.class.php'); |
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20 | } |
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21 | $this->cache = new Memcached(); |
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22 | if ($config['memcache']['sasl'] === true) { |
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23 | $this->cache->setOption(Memcached::OPT_BINARY_PROTOCOL, true); |
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24 | $this->cache->setSaslAuthData($config['memcache']['sasl']['username'], $config['memcache']['sasl']['password']); |
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25 | } |
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26 | } |
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27 | } |
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28 | |||
29 | public function setRound($round_id) { |
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30 | $this->round = $round_id; |
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31 | } |
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32 | public function getRound() { |
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33 | return $this->round; |
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34 | } |
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35 | |||
36 | /** |
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37 | * Wrapper around memcache->set |
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38 | * Do not store values if memcache is disabled |
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39 | **/ |
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40 | public function set($key, $value, $expiration=NULL) { |
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41 | if (! $this->config['memcache']['enabled']) return $value; |
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42 | View Code Duplication | if (empty($expiration)) |
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43 | $expiration = $this->config['memcache']['expiration'] + rand( -$this->config['memcache']['splay'], $this->config['memcache']['splay']); |
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44 | $this->debug->append("Storing " . $this->getRound() . '_' . $this->config['memcache']['keyprefix'] . "$key with expiration $expiration", 3); |
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45 | return $this->cache->set($this->getRound() . '_' . $this->config['memcache']['keyprefix'] . $key, $value, $expiration); |
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46 | } |
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47 | |||
48 | /** |
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49 | * Special memcache->set call bypassing any auto-expiration systems |
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50 | * Can be used as a static, auto-updated cache via crons |
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51 | **/ |
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52 | public function setStaticCache($key, $value, $expiration=NULL) { |
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53 | if (! $this->config['memcache']['enabled']) return $value; |
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54 | View Code Duplication | if (empty($expiration)) |
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55 | $expiration = $this->config['memcache']['expiration'] + rand( -$this->config['memcache']['splay'], $this->config['memcache']['splay']); |
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56 | $this->debug->append("Storing " . $this->config['memcache']['keyprefix'] . "$key with expiration $expiration", 3); |
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57 | if ($this->cache->set($this->config['memcache']['keyprefix'] . $key, $value, $expiration)) |
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58 | return $value; |
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59 | return false; |
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60 | } |
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61 | |||
62 | /** |
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63 | * Wrapper around memcache->get |
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64 | * Always return false if memcache is disabled |
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65 | **/ |
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66 | public function get($key, $cache_cb = NULL, &$cas_token = NULL) { |
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0 ignored issues
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67 | if (! $this->config['memcache']['enabled']) return false; |
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68 | $this->debug->append("Trying to fetch key " . $this->getRound() . '_' . $this->config['memcache']['keyprefix'] . "$key from cache", 3); |
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69 | View Code Duplication | if ($data = $this->cache->get($this->getRound() . '_' . $this->config['memcache']['keyprefix'].$key)) { |
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70 | $this->debug->append("Found key in cache", 3); |
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71 | return $data; |
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72 | } else { |
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73 | $this->debug->append("Key not found", 3); |
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74 | } |
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75 | } |
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76 | |||
77 | /** |
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78 | * As the static set call, we try to fetch static data here |
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79 | **/ |
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80 | public function getStatic($key, $cache_cb = NULL, &$cas_token = NULL) { |
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0 ignored issues
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81 | if (! $this->config['memcache']['enabled']) return false; |
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82 | $this->debug->append("Trying to fetch key " . $this->config['memcache']['keyprefix'] . "$key from cache", 3); |
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83 | View Code Duplication | if ($data = $this->cache->get($this->config['memcache']['keyprefix'].$key)) { |
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84 | $this->debug->append("Found key in cache", 3); |
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85 | return $data; |
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86 | } else { |
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87 | $this->debug->append("Key not found", 3); |
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88 | } |
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89 | } |
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90 | |||
91 | /** |
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92 | * Another wrapper, we want to store data in memcache and return the actual data |
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93 | * for further processing |
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94 | * @param key string Our memcache key |
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95 | * @param data mixed Our data to store in Memcache |
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96 | * @param expiration time Our expiration time, see Memcached documentation |
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97 | * @return data mixed Return our stored data unchanged |
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98 | **/ |
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99 | public function setCache($key, $data, $expiration=NULL) { |
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100 | if ($this->config['memcache']['enabled']) $this->set($key, $data, $expiration); |
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101 | return $data; |
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102 | } |
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103 | |||
104 | /** |
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105 | * This method is invoked if the called method was not realised in this class |
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106 | **/ |
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107 | public function __call($name, $arguments) { |
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108 | if (! $this->config['memcache']['enabled']) return false; |
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109 | //Invoke method $name of $this->cache class with array of $arguments |
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110 | return call_user_func_array(array($this->cache, $name), $arguments); |
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111 | } |
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112 | } |
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113 | |||
114 | $memcache = new StatsCache($config, $debug); |
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115 | $memcache->addServer($config['memcache']['host'], $config['memcache']['port']); |
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116 | // Now we can set our additional key prefix |
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117 | if ($aTmpBlock = $block->getLast()) { |
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118 | $iRoundId = $aTmpBlock['id']; |
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119 | } else { |
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120 | $iRoundId = 0; |
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121 | } |
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122 | $memcache->setRound($iRoundId); |
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123 |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.