|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace MySQLReplication\BinLog; |
|
4
|
|
|
|
|
5
|
|
|
/** |
|
6
|
|
|
* Class BinLogServerInfo |
|
7
|
|
|
* @package MySQLReplication\BinLog |
|
8
|
|
|
*/ |
|
9
|
|
|
class BinLogServerInfo |
|
10
|
|
|
{ |
|
11
|
|
|
const MYSQL_VERSION_MARIADB = 'MariaDB'; |
|
12
|
|
|
const MYSQL_VERSION_PERCONA = 'Percona'; |
|
13
|
|
|
const MYSQL_VERSION_GENERIC = 'MySQL'; |
|
14
|
|
|
/** |
|
15
|
|
|
* @var array |
|
16
|
|
|
*/ |
|
17
|
|
|
private static $serverInfo = []; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* @param string $data |
|
21
|
|
|
* @param string $version |
|
22
|
|
|
*/ |
|
23
|
55 |
|
public static function parsePackage($data, $version) |
|
24
|
|
|
{ |
|
25
|
55 |
|
$i = 0; |
|
26
|
55 |
|
$length = strlen($data); |
|
27
|
55 |
|
self::$serverInfo['protocol_version'] = ord($data[$i]); |
|
28
|
55 |
|
$i++; |
|
29
|
|
|
|
|
30
|
|
|
//version |
|
31
|
55 |
|
self::$serverInfo['server_version'] = ''; |
|
32
|
55 |
|
$start = $i; |
|
33
|
55 |
|
for ($i = $start; $i < $length; $i++) { |
|
34
|
55 |
|
if ($data[$i] === chr(0)) { |
|
35
|
55 |
|
$i++; |
|
36
|
55 |
|
break; |
|
37
|
|
|
} |
|
38
|
55 |
|
self::$serverInfo['server_version'] .= $data[$i]; |
|
39
|
55 |
|
} |
|
40
|
|
|
|
|
41
|
|
|
//connection_id 4 bytes |
|
42
|
55 |
|
self::$serverInfo['connection_id'] = unpack('I', $data[$i] . $data[++$i] . $data[++$i] . $data[++$i])[1]; |
|
43
|
55 |
|
$i++; |
|
44
|
|
|
|
|
45
|
|
|
//auth_plugin_data_part_1 |
|
46
|
|
|
//[len=8] first 8 bytes of the auth-plugin data |
|
47
|
55 |
|
self::$serverInfo['salt'] = ''; |
|
48
|
55 |
|
for ($j = $i; $j < $i + 8; $j++) { |
|
49
|
55 |
|
self::$serverInfo['salt'] .= $data[$j]; |
|
50
|
55 |
|
} |
|
51
|
55 |
|
$i += 8; |
|
52
|
|
|
|
|
53
|
|
|
//filler_1 (1) -- 0x00 |
|
54
|
55 |
|
$i++; |
|
55
|
|
|
|
|
56
|
|
|
//capability_flag_1 (2) -- lower 2 bytes of the Protocol::CapabilityFlags (optional) |
|
57
|
55 |
|
$i += 2; |
|
58
|
|
|
|
|
59
|
|
|
//character_set (1) -- default server character-set, only the lower 8-bits Protocol::CharacterSet (optional) |
|
60
|
55 |
|
self::$serverInfo['character_set'] = $data[$i]; |
|
61
|
55 |
|
$i++; |
|
62
|
|
|
|
|
63
|
|
|
//status_flags (2) -- Protocol::StatusFlags (optional) |
|
64
|
55 |
|
$i += 2; |
|
65
|
|
|
|
|
66
|
|
|
//capability_flags_2 (2) -- upper 2 bytes of the Protocol::CapabilityFlags |
|
67
|
55 |
|
$i += 2; |
|
68
|
|
|
|
|
69
|
|
|
//auth_plugin_data_len (1) -- length of the combined auth_plugin_data, if auth_plugin_data_len is > 0 |
|
70
|
55 |
|
$salt_len = ord($data[$i]); |
|
71
|
55 |
|
$i++; |
|
72
|
|
|
|
|
73
|
55 |
|
$salt_len = max(12, $salt_len - 9); |
|
74
|
|
|
|
|
75
|
55 |
|
$i += 10; |
|
76
|
|
|
|
|
77
|
|
|
//next salt |
|
78
|
55 |
|
if ($length >= $i + $salt_len) { |
|
79
|
55 |
|
for ($j = $i; $j < $i + $salt_len; $j++) { |
|
80
|
55 |
|
self::$serverInfo['salt'] .= $data[$j]; |
|
81
|
55 |
|
} |
|
82
|
|
|
|
|
83
|
55 |
|
} |
|
84
|
55 |
|
self::$serverInfo['auth_plugin_name'] = ''; |
|
85
|
55 |
|
$i += $salt_len + 1; |
|
86
|
55 |
|
for ($j = $i; $j < $length - 1; $j++) { |
|
87
|
55 |
|
self::$serverInfo['auth_plugin_name'] .= $data[$j]; |
|
88
|
55 |
|
} |
|
89
|
|
|
|
|
90
|
55 |
|
self::$serverInfo['version_name'] = self::parseVersion($version); |
|
91
|
55 |
|
} |
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* @return string |
|
95
|
|
|
*/ |
|
96
|
55 |
|
public static function getSalt() |
|
97
|
|
|
{ |
|
98
|
55 |
|
return self::$serverInfo['salt']; |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
|
|
/** |
|
102
|
|
|
* @see http://stackoverflow.com/questions/37317869/determine-if-mysql-or-percona-or-mariadb |
|
103
|
|
|
* @param string $version |
|
104
|
|
|
* @return string |
|
105
|
|
|
*/ |
|
106
|
55 |
|
private static function parseVersion($version) |
|
107
|
|
|
{ |
|
108
|
55 |
|
if ('' !== $version) { |
|
109
|
55 |
|
if (false !== strpos($version, self::MYSQL_VERSION_MARIADB)) { |
|
110
|
|
|
return self::MYSQL_VERSION_MARIADB; |
|
111
|
|
|
} |
|
112
|
55 |
|
if (false !== strpos($version, self::MYSQL_VERSION_PERCONA)) { |
|
113
|
|
|
return self::MYSQL_VERSION_PERCONA; |
|
114
|
|
|
} |
|
115
|
55 |
|
} |
|
116
|
|
|
|
|
117
|
55 |
|
return self::MYSQL_VERSION_GENERIC; |
|
118
|
|
|
} |
|
119
|
|
|
|
|
120
|
|
|
/** |
|
121
|
|
|
* @return string |
|
122
|
|
|
*/ |
|
123
|
55 |
|
public static function getVersion() |
|
124
|
|
|
{ |
|
125
|
55 |
|
return self::$serverInfo['version_name']; |
|
126
|
|
|
} |
|
127
|
|
|
|
|
128
|
|
|
/** |
|
129
|
|
|
* @return bool |
|
130
|
|
|
*/ |
|
131
|
55 |
|
public static function isMariaDb() |
|
132
|
|
|
{ |
|
133
|
55 |
|
return self::MYSQL_VERSION_MARIADB === self::getVersion(); |
|
134
|
|
|
} |
|
135
|
|
|
|
|
136
|
|
|
/** |
|
137
|
|
|
* @return bool |
|
138
|
|
|
*/ |
|
139
|
|
|
public static function isPercona() |
|
140
|
|
|
{ |
|
141
|
|
|
return self::MYSQL_VERSION_PERCONA === self::getVersion(); |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
|
|
/** |
|
145
|
|
|
* @return bool |
|
146
|
|
|
*/ |
|
147
|
|
|
public static function isGeneric() |
|
148
|
|
|
{ |
|
149
|
|
|
return self::MYSQL_VERSION_GENERIC === self::getVersion(); |
|
150
|
|
|
} |
|
151
|
|
|
} |
krowinski /
php-mysql-replication
