|
1
|
|
|
<?php |
|
2
|
|
|
declare(strict_types=1); |
|
3
|
|
|
|
|
4
|
|
|
namespace MySQLReplication\BinLog; |
|
5
|
|
|
|
|
6
|
|
|
class BinLogServerInfo |
|
7
|
|
|
{ |
|
8
|
|
|
private const MYSQL_VERSION_MARIADB = 'MariaDB'; |
|
9
|
|
|
private const MYSQL_VERSION_PERCONA = 'Percona'; |
|
10
|
|
|
private const MYSQL_VERSION_GENERIC = 'MySQL'; |
|
11
|
|
|
/** |
|
12
|
|
|
* @var array |
|
13
|
|
|
*/ |
|
14
|
|
|
private $serverInfo; |
|
15
|
|
|
|
|
16
|
58 |
|
public static function parsePackage(string $data, string $version): BinLogServerInfo |
|
17
|
|
|
{ |
|
18
|
58 |
|
$i = 0; |
|
19
|
58 |
|
$length = strlen($data); |
|
20
|
58 |
|
$serverInfo = []; |
|
21
|
58 |
|
$serverInfo['protocol_version'] = ord($data[$i]); |
|
22
|
58 |
|
++$i; |
|
23
|
|
|
|
|
24
|
|
|
//version |
|
25
|
58 |
|
$serverInfo['server_version'] = ''; |
|
26
|
58 |
|
$start = $i; |
|
27
|
58 |
|
for ($i = $start; $i < $length; ++$i) { |
|
28
|
58 |
|
if ($data[$i] === chr(0)) { |
|
29
|
58 |
|
++$i; |
|
30
|
58 |
|
break; |
|
31
|
|
|
} |
|
32
|
58 |
|
$serverInfo['server_version'] .= $data[$i]; |
|
33
|
|
|
} |
|
34
|
|
|
|
|
35
|
|
|
//connection_id 4 bytes |
|
36
|
58 |
|
$serverInfo['connection_id'] = unpack('I', $data[$i] . $data[++$i] . $data[++$i] . $data[++$i])[1]; |
|
37
|
58 |
|
++$i; |
|
38
|
|
|
|
|
39
|
|
|
//auth_plugin_data_part_1 |
|
40
|
|
|
//[len=8] first 8 bytes of the auth-plugin data |
|
41
|
58 |
|
$serverInfo['salt'] = ''; |
|
42
|
58 |
|
for ($j = $i; $j < $i + 8; ++$j) { |
|
43
|
58 |
|
$serverInfo['salt'] .= $data[$j]; |
|
44
|
|
|
} |
|
45
|
58 |
|
$i += 8; |
|
46
|
|
|
|
|
47
|
|
|
//filler_1 (1) -- 0x00 |
|
48
|
58 |
|
++$i; |
|
49
|
|
|
|
|
50
|
|
|
//capability_flag_1 (2) -- lower 2 bytes of the Protocol::CapabilityFlags (optional) |
|
51
|
58 |
|
$i += 2; |
|
52
|
|
|
|
|
53
|
|
|
//character_set (1) -- default server character-set, only the lower 8-bits Protocol::CharacterSet (optional) |
|
54
|
58 |
|
$serverInfo['character_set'] = $data[$i]; |
|
55
|
58 |
|
++$i; |
|
56
|
|
|
|
|
57
|
|
|
//status_flags (2) -- Protocol::StatusFlags (optional) |
|
58
|
58 |
|
$i += 2; |
|
59
|
|
|
|
|
60
|
|
|
//capability_flags_2 (2) -- upper 2 bytes of the Protocol::CapabilityFlags |
|
61
|
58 |
|
$i += 2; |
|
62
|
|
|
|
|
63
|
|
|
//auth_plugin_data_len (1) -- length of the combined auth_plugin_data, if auth_plugin_data_len is > 0 |
|
64
|
58 |
|
$saltLen = ord($data[$i]); |
|
65
|
58 |
|
++$i; |
|
66
|
|
|
|
|
67
|
58 |
|
$saltLen = max(12, $saltLen - 9); |
|
68
|
|
|
|
|
69
|
58 |
|
$i += 10; |
|
70
|
|
|
|
|
71
|
|
|
//next salt |
|
72
|
58 |
|
if ($length >= $i + $saltLen) { |
|
73
|
58 |
|
for ($j = $i; $j < $i + $saltLen; ++$j) { |
|
74
|
58 |
|
$serverInfo['salt'] .= $data[$j]; |
|
75
|
|
|
} |
|
76
|
|
|
} |
|
77
|
58 |
|
$serverInfo['auth_plugin_name'] = ''; |
|
78
|
58 |
|
$i += $saltLen + 1; |
|
79
|
58 |
|
for ($j = $i; $j < $length - 1; ++$j) { |
|
80
|
58 |
|
$serverInfo['auth_plugin_name'] .= $data[$j]; |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
58 |
|
$serverInfo['version_name'] = self::parseVersion($version); |
|
84
|
58 |
|
$serverInfo['version_revision'] = self::parseRevision($version); |
|
85
|
|
|
|
|
86
|
58 |
|
return new self($serverInfo); |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
58 |
|
public function __construct(array $serverInfo) |
|
90
|
|
|
{ |
|
91
|
58 |
|
$this->serverInfo = $serverInfo; |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
58 |
|
public function getSalt(): string |
|
95
|
|
|
{ |
|
96
|
58 |
|
return $this->serverInfo['salt']; |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
/** |
|
100
|
|
|
* @see http://stackoverflow.com/questions/37317869/determine-if-mysql-or-percona-or-mariadb |
|
101
|
|
|
*/ |
|
102
|
58 |
|
private static function parseVersion(string $version): string |
|
103
|
|
|
{ |
|
104
|
58 |
|
if ('' !== $version) { |
|
105
|
58 |
|
if (false !== strpos($version, self::MYSQL_VERSION_MARIADB)) { |
|
106
|
|
|
return self::MYSQL_VERSION_MARIADB; |
|
107
|
|
|
} |
|
108
|
58 |
|
if (false !== strpos($version, self::MYSQL_VERSION_PERCONA)) { |
|
109
|
|
|
return self::MYSQL_VERSION_PERCONA; |
|
110
|
|
|
} |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
58 |
|
return self::MYSQL_VERSION_GENERIC; |
|
114
|
|
|
} |
|
115
|
|
|
|
|
116
|
|
|
public function getRevision(): float |
|
117
|
|
|
{ |
|
118
|
|
|
return $this->serverInfo['version_revision']; |
|
119
|
|
|
} |
|
120
|
|
|
|
|
121
|
58 |
|
public function getVersion(): string |
|
122
|
|
|
{ |
|
123
|
58 |
|
return $this->serverInfo['version_name']; |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
58 |
|
public function isMariaDb(): bool |
|
127
|
|
|
{ |
|
128
|
58 |
|
return self::MYSQL_VERSION_MARIADB === $this->getVersion(); |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
|
|
public function isPercona(): bool |
|
132
|
|
|
{ |
|
133
|
|
|
return self::MYSQL_VERSION_PERCONA === $this->getVersion(); |
|
134
|
|
|
} |
|
135
|
|
|
|
|
136
|
|
|
public function isGeneric(): bool |
|
137
|
|
|
{ |
|
138
|
|
|
return self::MYSQL_VERSION_GENERIC === $this->getVersion(); |
|
139
|
|
|
} |
|
140
|
|
|
|
|
141
|
58 |
|
private static function parseRevision(string $version): float |
|
142
|
|
|
{ |
|
143
|
58 |
|
return (float)$version; |
|
144
|
|
|
} |
|
145
|
|
|
} |
|
146
|
|
|
|
Moln /
php-mysql-replication
