1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\cache\driver;
if (!defined('PHPBB_ACM_REDIS_PORT'))
{
define('PHPBB_ACM_REDIS_PORT', 6379);
}
if (!defined('PHPBB_ACM_REDIS_HOST'))
{
define('PHPBB_ACM_REDIS_HOST', 'localhost');
}
/**
* ACM for Redis
*
* Compatible with the php extension phpredis available
* at https://github.com/nicolasff/phpredis
*
*/
class redis extends \phpbb\cache\driver\memory
{
var $extension = 'redis';
var $redis;
/**
* Creates a redis cache driver.
*
* The following global constants affect operation:
*
* PHPBB_ACM_REDIS_HOST
* PHPBB_ACM_REDIS_PORT
* PHPBB_ACM_REDIS_PASSWORD
* PHPBB_ACM_REDIS_DB
*
* There are no publicly documented constructor parameters.
*/
function __construct()
{
// Call the parent constructor
parent::__construct();
$this->redis = new \Redis();
$args = func_get_args();
if (!empty($args))
{
$ok = call_user_func_array(array($this->redis, 'connect'), $args);
}
else
{
$ok = $this->redis->connect(PHPBB_ACM_REDIS_HOST, PHPBB_ACM_REDIS_PORT);
}
if (!$ok)
{
trigger_error('Could not connect to redis server');
}
if (defined('PHPBB_ACM_REDIS_PASSWORD'))
{
if (!$this->redis->auth(PHPBB_ACM_REDIS_PASSWORD))
{
global $acm_type;
trigger_error("Incorrect password for the ACM module $acm_type.", E_USER_ERROR);
}
}
$this->redis->setOption(\Redis::OPT_SERIALIZER, \Redis::SERIALIZER_PHP);
$this->redis->setOption(\Redis::OPT_PREFIX, $this->key_prefix);
if (defined('PHPBB_ACM_REDIS_DB'))
{
if (!$this->redis->select(PHPBB_ACM_REDIS_DB))
{
global $acm_type;
trigger_error("Incorrect database for the ACM module $acm_type.", E_USER_ERROR);
}
}
}
/**
* {@inheritDoc}
*/
function unload()
{
parent::unload();
$this->redis->close();
}
/**
* {@inheritDoc}
*/
function purge()
{
$this->redis->flushDB();
parent::purge();
}
/**
* Fetch an item from the cache
*
* @access protected
* @param string $var Cache key
* @return mixed Cached data
*/
function _read($var)
{
return $this->redis->get($var);
}
/**
* Store data in the cache
*
* @access protected
* @param string $var Cache key
* @param mixed $data Data to store
* @param int $ttl Time-to-live of cached data
* @return bool True if the operation succeeded
*/
function _write($var, $data, $ttl = 2592000)
{
if ($ttl == 0)
{
return $this->redis->set($var, $data);
}
return $this->redis->setex($var, $ttl, $data);
}
/**
* Remove an item from the cache
*
* @access protected
* @param string $var Cache key
* @return bool True if the operation succeeded
*/
function _delete($var)
{
if ($this->redis->delete($var) > 0)
{
return true;
}
return false;
}
}
|
