|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Saxulum\MongoId; |
|
4
|
|
|
|
|
5
|
|
|
class MongoId implements \Serializable |
|
6
|
|
|
{ |
|
7
|
|
|
/** |
|
8
|
|
|
* @var string |
|
9
|
|
|
*/ |
|
10
|
|
|
private $id; |
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* @param MongoId|string|null $id |
|
14
|
|
|
* |
|
15
|
|
|
* @throws \InvalidArgumentException |
|
16
|
|
|
*/ |
|
17
|
|
|
public function __construct($id = null) |
|
18
|
|
|
{ |
|
19
|
|
|
if ($id instanceof self) { |
|
20
|
|
|
$this->id = $id->id; |
|
21
|
|
|
|
|
22
|
|
|
return; |
|
23
|
|
|
} |
|
24
|
|
|
|
|
25
|
|
|
if (null !== $id) { |
|
26
|
|
|
if (!self::isValid($id)) { |
|
27
|
|
|
throw new \InvalidArgumentException(sprintf('Invalid id: %s', $id)); |
|
28
|
|
|
} |
|
29
|
|
|
$this->id = $id; |
|
30
|
|
|
|
|
31
|
|
|
return; |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
|
|
$this->id = $this->createId(); |
|
35
|
|
|
} |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* @param \DateTime $dateTime |
|
39
|
|
|
* |
|
40
|
|
|
* @return object |
|
41
|
|
|
*/ |
|
42
|
|
|
public static function createByDateTime(\DateTime $dateTime) |
|
43
|
|
|
{ |
|
44
|
|
|
$object = new static; |
|
45
|
|
|
$object->id = $object->createId($dateTime->format('U')); |
|
46
|
|
|
|
|
47
|
|
|
return $object; |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
|
|
/** |
|
51
|
|
|
* @param int|null $time |
|
52
|
|
|
* |
|
53
|
|
|
* @return string |
|
54
|
|
|
*/ |
|
55
|
|
|
private function createId($time = null) |
|
56
|
|
|
{ |
|
57
|
|
|
$pid = getmypid(); |
|
58
|
|
|
$inc = $this->readInc($pid); |
|
59
|
|
|
|
|
60
|
|
|
$id = $this->intToMaxLengthHex(null !== $time ? (int) $time : time(), 8); |
|
61
|
|
|
$id .= $this->intToMaxLengthHex(crc32(self::getHostname()), 6); |
|
62
|
|
|
$id .= $this->intToMaxLengthHex($pid, 4); |
|
63
|
|
|
$id .= $this->intToMaxLengthHex($inc, 6); |
|
64
|
|
|
|
|
65
|
|
|
return $id; |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* @param int $pid |
|
70
|
|
|
* |
|
71
|
|
|
* @return int |
|
72
|
|
|
*/ |
|
73
|
|
|
private function readInc($pid) |
|
74
|
|
|
{ |
|
75
|
|
|
$res = shm_attach($pid); |
|
76
|
|
|
if (!shm_has_var($res, 0)) { |
|
77
|
|
|
shm_put_var($res, 0, 0); |
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
|
|
$inc = shm_get_var($res, 0); |
|
81
|
|
|
if ($inc === 16777215) { |
|
82
|
|
|
$inc = 0; |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
++$inc; |
|
86
|
|
|
|
|
87
|
|
|
shm_put_var($res, 0, $inc); |
|
88
|
|
|
|
|
89
|
|
|
return $inc; |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
/** |
|
93
|
|
|
* @param int $value |
|
94
|
|
|
* @param int $length |
|
95
|
|
|
* |
|
96
|
|
|
* @return string |
|
97
|
|
|
*/ |
|
98
|
|
|
private function intToMaxLengthHex($value, $length) |
|
99
|
|
|
{ |
|
100
|
|
|
return str_pad(substr(dechex($value), 0, $length), $length, '0', STR_PAD_LEFT); |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* @return string |
|
105
|
|
|
*/ |
|
106
|
|
|
public static function getHostname() |
|
107
|
|
|
{ |
|
108
|
|
|
return gethostname(); |
|
109
|
|
|
} |
|
110
|
|
|
|
|
111
|
|
|
/** |
|
112
|
|
|
* @return int |
|
113
|
|
|
*/ |
|
114
|
|
|
public function getInc() |
|
115
|
|
|
{ |
|
116
|
|
|
return hexdec(substr($this->id, 18, 6)); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
|
|
/** |
|
120
|
|
|
* @return int |
|
121
|
|
|
*/ |
|
122
|
|
|
public function getPID() |
|
123
|
|
|
{ |
|
124
|
|
|
$pid = hexdec(substr($this->id, 14, 4)); |
|
125
|
|
|
|
|
126
|
|
|
return $pid; |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
|
|
/** |
|
130
|
|
|
* @return int |
|
131
|
|
|
*/ |
|
132
|
|
|
public function getTimestamp() |
|
133
|
|
|
{ |
|
134
|
|
|
return hexdec(substr($this->id, 0, 8)); |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
|
|
/** |
|
138
|
|
|
* @param string $value |
|
139
|
|
|
* |
|
140
|
|
|
* @return bool |
|
141
|
|
|
*/ |
|
142
|
|
|
public static function isValid($value) |
|
143
|
|
|
{ |
|
144
|
|
|
if (strlen($value) !== 24) { |
|
145
|
|
|
return false; |
|
146
|
|
|
} |
|
147
|
|
|
|
|
148
|
|
|
if (strspn($value, '0123456789abcdefABCDEF') !== 24) { |
|
149
|
|
|
return false; |
|
150
|
|
|
} |
|
151
|
|
|
|
|
152
|
|
|
return true; |
|
153
|
|
|
} |
|
154
|
|
|
|
|
155
|
|
|
/** |
|
156
|
|
|
* @param array $props |
|
157
|
|
|
* |
|
158
|
|
|
* @return static |
|
159
|
|
|
* |
|
160
|
|
|
* @throws \InvalidArgumentException |
|
161
|
|
|
*/ |
|
162
|
|
|
public static function __set_state(array $props) |
|
163
|
|
|
{ |
|
164
|
|
|
if (!isset($props['id'])) { |
|
165
|
|
|
throw new \InvalidArgumentException('There is no id key within props array!'); |
|
166
|
|
|
} |
|
167
|
|
|
|
|
168
|
|
|
return new static($props['id']); |
|
169
|
|
|
} |
|
170
|
|
|
|
|
171
|
|
|
/** |
|
172
|
|
|
* @return string |
|
173
|
|
|
*/ |
|
174
|
|
|
public function __toString() |
|
175
|
|
|
{ |
|
176
|
|
|
return $this->id; |
|
177
|
|
|
} |
|
178
|
|
|
|
|
179
|
|
|
/** |
|
180
|
|
|
* @return string |
|
181
|
|
|
*/ |
|
182
|
|
|
public function serialize() |
|
183
|
|
|
{ |
|
184
|
|
|
return $this->id; |
|
185
|
|
|
} |
|
186
|
|
|
|
|
187
|
|
|
/** |
|
188
|
|
|
* @param string $serialized |
|
189
|
|
|
* |
|
190
|
|
|
* @throws \InvalidArgumentException |
|
191
|
|
|
*/ |
|
192
|
|
|
public function unserialize($serialized) |
|
193
|
|
|
{ |
|
194
|
|
|
if (!self::isValid($serialized)) { |
|
195
|
|
|
throw new \InvalidArgumentException(sprintf('Invalid id: %s', $serialized)); |
|
196
|
|
|
} |
|
197
|
|
|
$this->id = $serialized; |
|
198
|
|
|
} |
|
199
|
|
|
} |
|
200
|
|
|
|
saxulum /
saxulum-mongoid
