[5136] | 1 | <?php |
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| 2 | /** |
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| 3 | * DooMemCache class file. |
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| 4 | * |
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| 5 | * @author Leng Sheng Hong <darkredz@gmail.com> |
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| 6 | * @link http://www.doophp.com/ |
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| 7 | * @copyright Copyright © 2009 Leng Sheng Hong |
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| 8 | * @license http://www.doophp.com/license |
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| 9 | */ |
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| 10 | |
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| 11 | |
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| 12 | /** |
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| 13 | * DooMemCache provides caching methods utilizing the Memcache extension. |
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| 14 | * |
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| 15 | * If you have multiple servers for memcache, you would have to set it up in common.conf.php |
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| 16 | * <code> |
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| 17 | * // host, port, persistent, weight |
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| 18 | * $config['MEMCACHE'] = array( |
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| 19 | * array('192.168.1.31', '11211', true, 40), |
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| 20 | * array('192.168.1.23', '11211', true, 80) |
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| 21 | * ); |
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| 22 | * </code> |
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| 23 | * |
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| 24 | * @author Leng Sheng Hong <darkredz@gmail.com> |
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| 25 | * @version $Id: DooMemCache.php 1000 2009-08-22 19:36:10 |
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| 26 | * @package doo.cache |
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| 27 | * @since 1.1 |
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| 28 | */ |
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| 29 | |
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| 30 | class MemoryCache{ |
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| 31 | /** |
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| 32 | * Memcached connection |
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| 33 | * @var Memcache |
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| 34 | */ |
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| 35 | protected $_memcache; |
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| 36 | |
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| 37 | /** |
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| 38 | * Configurations of the connections |
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| 39 | * @var array |
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| 40 | */ |
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| 41 | protected $_config; |
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| 42 | |
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| 43 | public function __construct($conf=Null) { |
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| 44 | $this->_memcache = new Memcache(); |
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| 45 | $this->_config = $conf; |
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| 46 | |
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| 47 | // host, port, persistent, weight |
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| 48 | if($conf!==Null){ |
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| 49 | foreach ($conf as $c){ |
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| 50 | $result = $this->_memcache->addServer($c[0], $c[1], $c[2], $c[3]); |
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| 51 | } |
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| 52 | } |
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| 53 | else{ |
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| 54 | $this->_memcache->addServer('localhost', 11211); |
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| 55 | } |
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| 56 | } |
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| 57 | |
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| 58 | /** |
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| 59 | * Adds a cache with an unique Id. |
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| 60 | * |
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| 61 | * @param string $id Cache Id |
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| 62 | * @param mixed $data Data to be stored |
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| 63 | * @param int $expire Seconds to expired |
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| 64 | * @param int $compressed To store the data in Zlib compressed format |
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| 65 | * @return bool True if success |
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| 66 | */ |
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| 67 | public function put($id, $data, $expire=0, $compressed=false){ |
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| 68 | |
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| 69 | ob_start(); |
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| 70 | print_r( "criando $id e armazenando no cache" ); |
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| 71 | $output = ob_get_clean(); |
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| 72 | file_put_contents( "/tmp/cache.log", file_get_contents( "/tmp/cache.log" ) . $output . "\n" ); |
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| 73 | |
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[5341] | 74 | // if($compressed) |
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| 75 | // return $this->_memcache->set($id, $data, MEMCACHE_COMPRESSED, $expire); |
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| 76 | // else |
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| 77 | // return $this->_memcache->set($id, $data, 0, $expire); |
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| 78 | return false; |
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[5136] | 79 | } |
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| 80 | |
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| 81 | /** |
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| 82 | * Retrieves a value from cache with an Id. |
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| 83 | * |
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| 84 | * @param string $id A unique key identifying the cache |
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| 85 | * @return mixed The value stored in cache. Return false if no cache found or already expired. |
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| 86 | */ |
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| 87 | public function get($id){ |
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| 88 | |
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[5341] | 89 | // $return = $this->_memcache->get($id); |
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| 90 | $return = false; |
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[5136] | 91 | |
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| 92 | if( $return ){ |
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| 93 | ob_start(); |
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| 94 | print_r( "lendo $id do cache" ); |
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| 95 | $output = ob_get_clean(); |
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| 96 | file_put_contents( "/tmp/cache.log", file_get_contents( "/tmp/cache.log" ) . $output . "\n" ); |
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| 97 | } |
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| 98 | |
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| 99 | return( $return ); |
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| 100 | } |
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| 101 | |
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| 102 | /** |
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| 103 | * Deletes an APC data cache with an identifying Id |
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| 104 | * |
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| 105 | * @param string $id Id of the cache |
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| 106 | * @return bool True if success |
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| 107 | */ |
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| 108 | public function clear($id){ |
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| 109 | return $this->_memcache->delete($id); |
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| 110 | } |
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| 111 | |
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| 112 | /** |
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| 113 | * Deletes all data cache |
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| 114 | * @return bool True if success |
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| 115 | */ |
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| 116 | public function clearAll(){ |
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| 117 | return $this->_memcache->flush(); |
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| 118 | } |
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| 119 | |
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| 120 | } |
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| 121 | |
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