1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* Phossa Project |
4
|
|
|
* |
5
|
|
|
* PHP version 5.4 |
6
|
|
|
* |
7
|
|
|
* @category Library |
8
|
|
|
* @package Phossa2\Storage |
9
|
|
|
* @copyright Copyright (c) 2016 phossa.com |
10
|
|
|
* @license http://mit-license.org/ MIT License |
11
|
|
|
* @link http://www.phossa.com/ |
12
|
|
|
*/ |
13
|
|
|
/*# declare(strict_types=1); */ |
14
|
|
|
|
15
|
|
|
namespace Phossa2\Storage\Traits; |
16
|
|
|
|
17
|
|
|
use Phossa2\Storage\Message\Message; |
18
|
|
|
use Phossa2\Storage\Exception\LogicException; |
19
|
|
|
use Phossa2\Storage\Interfaces\MountableInterface; |
20
|
|
|
use Phossa2\Storage\Interfaces\FilesystemInterface; |
21
|
|
|
|
22
|
|
|
/** |
23
|
|
|
* MountableTrait |
24
|
|
|
* |
25
|
|
|
* Managing the mout points of the storage. |
26
|
|
|
* |
27
|
|
|
* @package Phossa2\Storage |
28
|
|
|
* @author Hong Zhang <[email protected]> |
29
|
|
|
* @see MountableInterface |
30
|
|
|
* @version 2.0.0 |
31
|
|
|
* @since 2.0.0 added |
32
|
|
|
*/ |
33
|
|
|
trait MountableTrait |
34
|
|
|
{ |
35
|
|
|
/** |
36
|
|
|
* filesystem map |
37
|
|
|
* |
38
|
|
|
* @var FilesystemInterface[] |
39
|
|
|
* @access protected |
40
|
|
|
*/ |
41
|
|
|
protected $filesystems = []; |
42
|
|
|
|
43
|
|
|
/** |
44
|
|
|
* {@inheritDoc} |
45
|
|
|
*/ |
46
|
|
View Code Duplication |
public function mount( |
47
|
|
|
/*# string */ $mountPoint, |
48
|
|
|
FilesystemInterface $filesystem |
49
|
|
|
)/*# : bool */ { |
50
|
|
|
// normalize mount point |
51
|
|
|
$mp = $this->cleanMountPoint($mountPoint); |
52
|
|
|
|
53
|
|
|
// mounted already |
54
|
|
|
if (isset($this->filesystems[$mp])) { |
55
|
|
|
throw new LogicException( |
56
|
|
|
Message::get(Message::STR_MOUNT_EXISTS, $mountPoint), |
57
|
|
|
Message::STR_MOUNT_EXISTS |
58
|
|
|
); |
59
|
|
|
} |
60
|
|
|
|
61
|
|
|
$this->filesystems[$mp] = $filesystem; |
62
|
|
|
return true; |
63
|
|
|
} |
64
|
|
|
|
65
|
|
|
/** |
66
|
|
|
* {@inheritDoc} |
67
|
|
|
*/ |
68
|
|
View Code Duplication |
public function umount(/*# string */ $mountPoint)/*# : bool */ |
69
|
|
|
{ |
70
|
|
|
// normalize mount point |
71
|
|
|
$mp = $this->cleanMountPoint($mountPoint); |
72
|
|
|
|
73
|
|
|
// not mounted |
74
|
|
|
if (!isset($this->filesystems[$mp])) { |
75
|
|
|
throw new LogicException( |
76
|
|
|
Message::get(Message::STR_MOUNT_NOT_EXISTS, $mountPoint), |
77
|
|
|
Message::STR_MOUNT_NOT_EXISTS |
78
|
|
|
); |
79
|
|
|
} |
80
|
|
|
|
81
|
|
|
// umount now |
82
|
|
|
unset($this->filesystems[$mp]); |
83
|
|
|
|
84
|
|
|
return true; |
85
|
|
|
} |
86
|
|
|
|
87
|
|
|
/** |
88
|
|
|
* Clean path to standard mount point |
89
|
|
|
* |
90
|
|
|
* @param string $path |
91
|
|
|
* @return string |
92
|
|
|
* @access protected |
93
|
|
|
*/ |
94
|
|
|
protected function cleanMountPoint(/*# string */ $path)/*# : string */ |
95
|
|
|
{ |
96
|
|
|
return '/' . trim($path, " \t\r\n/"); |
97
|
|
|
} |
98
|
|
|
|
99
|
|
|
/** |
100
|
|
|
* Get the filesystem at mount point |
101
|
|
|
* |
102
|
|
|
* @param string $mountPoint |
103
|
|
|
* @return FilesystemInterface |
104
|
|
|
* @access protected |
105
|
|
|
*/ |
106
|
|
|
protected function getFilesystemAt( |
107
|
|
|
/*# string */ $mountPoint |
108
|
|
|
)/*# : FilesystemInterface */ { |
109
|
|
|
return $this->filesystems[$mountPoint]; |
110
|
|
|
} |
111
|
|
|
|
112
|
|
|
/** |
113
|
|
|
* Find mount point of the path |
114
|
|
|
* |
115
|
|
|
* @param string $path |
116
|
|
|
* @return string |
117
|
|
|
* @access protected |
118
|
|
|
*/ |
119
|
|
|
protected function getMountPoint(/*# string */ $path)/*# : string */ |
120
|
|
|
{ |
121
|
|
|
while ($path !== '') { |
122
|
|
|
if (isset($this->filesystems[$path])) { |
123
|
|
|
return $path; |
124
|
|
|
} |
125
|
|
|
$path = substr($path, 0, strrpos($path, '/')); |
126
|
|
|
} |
127
|
|
|
return '/'; |
128
|
|
|
} |
129
|
|
|
} |
130
|
|
|
|