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Diffstat (limited to 'inc/3rdparty/libraries/simplepie/library/SimplePie/Cache/Memcache.php')
-rw-r--r-- | inc/3rdparty/libraries/simplepie/library/SimplePie/Cache/Memcache.php | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/inc/3rdparty/libraries/simplepie/library/SimplePie/Cache/Memcache.php b/inc/3rdparty/libraries/simplepie/library/SimplePie/Cache/Memcache.php new file mode 100644 index 00000000..fd447806 --- /dev/null +++ b/inc/3rdparty/libraries/simplepie/library/SimplePie/Cache/Memcache.php | |||
@@ -0,0 +1,183 @@ | |||
1 | <?php | ||
2 | /** | ||
3 | * SimplePie | ||
4 | * | ||
5 | * A PHP-Based RSS and Atom Feed Framework. | ||
6 | * Takes the hard work out of managing a complete RSS/Atom solution. | ||
7 | * | ||
8 | * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors | ||
9 | * All rights reserved. | ||
10 | * | ||
11 | * Redistribution and use in source and binary forms, with or without modification, are | ||
12 | * permitted provided that the following conditions are met: | ||
13 | * | ||
14 | * * Redistributions of source code must retain the above copyright notice, this list of | ||
15 | * conditions and the following disclaimer. | ||
16 | * | ||
17 | * * Redistributions in binary form must reproduce the above copyright notice, this list | ||
18 | * of conditions and the following disclaimer in the documentation and/or other materials | ||
19 | * provided with the distribution. | ||
20 | * | ||
21 | * * Neither the name of the SimplePie Team nor the names of its contributors may be used | ||
22 | * to endorse or promote products derived from this software without specific prior | ||
23 | * written permission. | ||
24 | * | ||
25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS | ||
26 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY | ||
27 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS | ||
28 | * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
31 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | ||
32 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
33 | * POSSIBILITY OF SUCH DAMAGE. | ||
34 | * | ||
35 | * @package SimplePie | ||
36 | * @version 1.3.1 | ||
37 | * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue | ||
38 | * @author Ryan Parman | ||
39 | * @author Geoffrey Sneddon | ||
40 | * @author Ryan McCue | ||
41 | * @link http://simplepie.org/ SimplePie | ||
42 | * @license http://www.opensource.org/licenses/bsd-license.php BSD License | ||
43 | */ | ||
44 | |||
45 | /** | ||
46 | * Caches data to memcache | ||
47 | * | ||
48 | * Registered for URLs with the "memcache" protocol | ||
49 | * | ||
50 | * For example, `memcache://localhost:11211/?timeout=3600&prefix=sp_` will | ||
51 | * connect to memcache on `localhost` on port 11211. All tables will be | ||
52 | * prefixed with `sp_` and data will expire after 3600 seconds | ||
53 | * | ||
54 | * @package SimplePie | ||
55 | * @subpackage Caching | ||
56 | * @uses Memcache | ||
57 | */ | ||
58 | class SimplePie_Cache_Memcache implements SimplePie_Cache_Base | ||
59 | { | ||
60 | /** | ||
61 | * Memcache instance | ||
62 | * | ||
63 | * @var Memcache | ||
64 | */ | ||
65 | protected $cache; | ||
66 | |||
67 | /** | ||
68 | * Options | ||
69 | * | ||
70 | * @var array | ||
71 | */ | ||
72 | protected $options; | ||
73 | |||
74 | /** | ||
75 | * Cache name | ||
76 | * | ||
77 | * @var string | ||
78 | */ | ||
79 | protected $name; | ||
80 | |||
81 | /** | ||
82 | * Create a new cache object | ||
83 | * | ||
84 | * @param string $location Location string (from SimplePie::$cache_location) | ||
85 | * @param string $name Unique ID for the cache | ||
86 | * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data | ||
87 | */ | ||
88 | public function __construct($location, $name, $type) | ||
89 | { | ||
90 | $this->options = array( | ||
91 | 'host' => '127.0.0.1', | ||
92 | 'port' => 11211, | ||
93 | 'extras' => array( | ||
94 | 'timeout' => 3600, // one hour | ||
95 | 'prefix' => 'simplepie_', | ||
96 | ), | ||
97 | ); | ||
98 | $parsed = SimplePie_Cache::parse_URL($location); | ||
99 | $this->options['host'] = empty($parsed['host']) ? $this->options['host'] : $parsed['host']; | ||
100 | $this->options['port'] = empty($parsed['port']) ? $this->options['port'] : $parsed['port']; | ||
101 | $this->options['extras'] = array_merge($this->options['extras'], $parsed['extras']); | ||
102 | $this->name = $this->options['extras']['prefix'] . md5("$name:$type"); | ||
103 | |||
104 | $this->cache = new Memcache(); | ||
105 | $this->cache->addServer($this->options['host'], (int) $this->options['port']); | ||
106 | } | ||
107 | |||
108 | /** | ||
109 | * Save data to the cache | ||
110 | * | ||
111 | * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property | ||
112 | * @return bool Successfulness | ||
113 | */ | ||
114 | public function save($data) | ||
115 | { | ||
116 | if ($data instanceof SimplePie) | ||
117 | { | ||
118 | $data = $data->data; | ||
119 | } | ||
120 | return $this->cache->set($this->name, serialize($data), MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']); | ||
121 | } | ||
122 | |||
123 | /** | ||
124 | * Retrieve the data saved to the cache | ||
125 | * | ||
126 | * @return array Data for SimplePie::$data | ||
127 | */ | ||
128 | public function load() | ||
129 | { | ||
130 | $data = $this->cache->get($this->name); | ||
131 | |||
132 | if ($data !== false) | ||
133 | { | ||
134 | return unserialize($data); | ||
135 | } | ||
136 | return false; | ||
137 | } | ||
138 | |||
139 | /** | ||
140 | * Retrieve the last modified time for the cache | ||
141 | * | ||
142 | * @return int Timestamp | ||
143 | */ | ||
144 | public function mtime() | ||
145 | { | ||
146 | $data = $this->cache->get($this->name); | ||
147 | |||
148 | if ($data !== false) | ||
149 | { | ||
150 | // essentially ignore the mtime because Memcache expires on it's own | ||
151 | return time(); | ||
152 | } | ||
153 | |||
154 | return false; | ||
155 | } | ||
156 | |||
157 | /** | ||
158 | * Set the last modified time to the current time | ||
159 | * | ||
160 | * @return bool Success status | ||
161 | */ | ||
162 | public function touch() | ||
163 | { | ||
164 | $data = $this->cache->get($this->name); | ||
165 | |||
166 | if ($data !== false) | ||
167 | { | ||
168 | return $this->cache->set($this->name, $data, MEMCACHE_COMPRESSED, (int) $this->duration); | ||
169 | } | ||
170 | |||
171 | return false; | ||
172 | } | ||
173 | |||
174 | /** | ||
175 | * Remove the cache | ||
176 | * | ||
177 | * @return bool Success status | ||
178 | */ | ||
179 | public function unlink() | ||
180 | { | ||
181 | return $this->cache->delete($this->name, 0); | ||
182 | } | ||
183 | } | ||