|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* |
|
4
|
|
|
* This file is part of the Koded package. |
|
5
|
|
|
* |
|
6
|
|
|
* (c) Mihail Binev <[email protected]> |
|
7
|
|
|
* |
|
8
|
|
|
* Please view the LICENSE distributed with this source code |
|
9
|
|
|
* for the full copyright and license information. |
|
10
|
|
|
* |
|
11
|
|
|
*/ |
|
12
|
|
|
|
|
13
|
|
|
namespace Koded\Caching\Client; |
|
14
|
|
|
|
|
15
|
|
|
use Exception; |
|
16
|
|
|
use Koded\Caching\{Cache, CacheException}; |
|
17
|
|
|
use function Koded\Caching\verify_key; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* @property ShmopClient client |
|
21
|
|
|
* |
|
22
|
|
|
*/ |
|
23
|
|
|
final class ShmopClient implements Cache |
|
24
|
|
|
{ |
|
25
|
|
|
use ClientTrait, MultiplesTrait; |
|
26
|
|
|
|
|
27
|
|
|
/** @var string */ |
|
28
|
|
|
private $dir; |
|
29
|
|
|
|
|
30
|
187 |
|
public function __construct(string $dir, ?int $ttl) |
|
31
|
|
|
{ |
|
32
|
187 |
|
$this->dir = $dir; |
|
33
|
187 |
|
$this->ttl = $ttl; |
|
34
|
187 |
|
$this->setDirectory($dir); |
|
35
|
187 |
|
} |
|
36
|
|
|
|
|
37
|
|
|
|
|
38
|
61 |
|
public function get($key, $default = null) |
|
39
|
|
|
{ |
|
40
|
61 |
|
if (false === $this->has($key, $filename)) { |
|
41
|
12 |
|
return $default; |
|
42
|
|
|
} |
|
43
|
|
|
|
|
44
|
|
|
try { |
|
45
|
37 |
|
$resource = shmop_open(fileinode($filename), 'a', 0, 0); |
|
46
|
37 |
|
return unserialize(shmop_read($resource, 0, shmop_size($resource))); |
|
47
|
|
|
} finally { |
|
48
|
37 |
|
@shmop_close($resource); |
|
|
|
|
|
|
49
|
|
|
} |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
|
|
53
|
70 |
|
public function set($key, $value, $ttl = null) |
|
54
|
|
|
{ |
|
55
|
70 |
|
verify_key($key); |
|
56
|
53 |
|
if (1 > $expiration = $this->timestampWithGlobalTtl($ttl, Cache::DATE_FAR_FAR_AWAY)) { |
|
57
|
|
|
// The item is considered expired and must be deleted |
|
58
|
1 |
|
return $this->delete($key); |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
43 |
|
$value = serialize($value); |
|
62
|
43 |
|
$size = strlen($value); |
|
63
|
43 |
|
$filename = $this->filename($key, true); |
|
64
|
|
|
|
|
65
|
|
|
try { |
|
66
|
43 |
|
$resource = shmop_open(fileinode($filename), 'n', 0666, $size); |
|
67
|
1 |
|
} catch (Exception $e) { |
|
68
|
1 |
|
$resource = shmop_open(fileinode($filename), 'w', 0666, $size); |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
try { |
|
72
|
43 |
|
return shmop_write($resource, $value, 0) === $size |
|
73
|
43 |
|
&& false !== file_put_contents($filename . '-ttl', $expiration); |
|
74
|
|
|
|
|
75
|
|
|
} finally { |
|
76
|
43 |
|
@shmop_close($resource); |
|
|
|
|
|
|
77
|
|
|
} |
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
|
|
|
|
81
|
23 |
|
public function delete($key) |
|
82
|
|
|
{ |
|
83
|
23 |
|
if (false === $this->has($key, $filename)) { |
|
84
|
5 |
|
return true; |
|
85
|
|
|
} |
|
86
|
5 |
|
return $this->expire($filename); |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
|
|
|
|
90
|
187 |
|
public function clear() |
|
91
|
|
|
{ |
|
92
|
187 |
|
foreach ((glob($this->dir . 'shmop-*.cache*') ?: []) as $filename) { |
|
93
|
187 |
|
$this->expire($filename); |
|
94
|
|
|
} |
|
95
|
187 |
|
return true; |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
|
|
99
|
96 |
|
public function has($key, &$filename = '') |
|
100
|
|
|
{ |
|
101
|
96 |
|
verify_key($key); |
|
102
|
45 |
|
$filename = $this->filename($key, false); |
|
103
|
45 |
|
$expiration = (int)(@file_get_contents($filename . '-ttl') ?: 0); |
|
104
|
|
|
|
|
105
|
45 |
|
if ($expiration <= time()) { |
|
106
|
14 |
|
$this->expire($filename); |
|
107
|
14 |
|
return false; |
|
108
|
|
|
} |
|
109
|
42 |
|
return true; |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
|
|
113
|
45 |
|
private function filename(string $key, bool $create): string |
|
114
|
|
|
{ |
|
115
|
45 |
|
$filename = $this->dir . 'shmop-' . sha1($key) . '.cache'; |
|
116
|
|
|
|
|
117
|
45 |
|
if ($create) { |
|
118
|
43 |
|
touch($filename); |
|
119
|
43 |
|
touch($filename . '-ttl'); |
|
120
|
43 |
|
chmod($filename, 0666); |
|
121
|
43 |
|
chmod($filename . '-ttl', 0666); |
|
122
|
|
|
} |
|
123
|
45 |
|
return $filename; |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
|
|
/** |
|
127
|
|
|
* Prepares the cache directory. |
|
128
|
|
|
* |
|
129
|
|
|
* @param string $directory |
|
130
|
|
|
* |
|
131
|
|
|
* @throws CacheException |
|
132
|
|
|
*/ |
|
133
|
187 |
|
private function setDirectory(string $directory): void |
|
134
|
|
|
{ |
|
135
|
|
|
// Overrule shell misconfiguration or the web server |
|
136
|
187 |
|
umask(umask() | 0002); |
|
137
|
187 |
|
$dir = $directory ?: sys_get_temp_dir(); |
|
138
|
187 |
|
$dir = rtrim($dir, '/') . '/'; |
|
139
|
|
|
|
|
140
|
187 |
|
if (false === is_dir($dir) && false === mkdir($dir, 0775, true)) { |
|
141
|
|
|
throw CacheException::forCreatingDirectory($dir); |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
187 |
|
$this->dir = $dir; |
|
145
|
187 |
|
} |
|
146
|
|
|
|
|
147
|
187 |
|
private function expire(string $filename): bool |
|
148
|
|
|
{ |
|
149
|
187 |
|
if (false === $resource = @shmop_open(fileinode($filename), 'w', 0, 0)) { |
|
150
|
187 |
|
return false; |
|
151
|
|
|
} |
|
152
|
|
|
|
|
153
|
|
|
try { |
|
154
|
43 |
|
unlink($filename . '-ttl'); |
|
155
|
43 |
|
return shmop_delete($resource); |
|
156
|
|
|
} finally { |
|
157
|
43 |
|
@shmop_close($resource); |
|
|
|
|
|
|
158
|
|
|
} |
|
159
|
|
|
} |
|
160
|
|
|
} |
|
161
|
|
|
|
kodedphp /
cache-simple
Loading history...
If you suppress an error, we recommend checking for the error condition explicitly: