1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/** |
4
|
|
|
* This file is part of the Apix Project. |
5
|
|
|
* |
6
|
|
|
* (c) Franck Cassedanne <franck at ouarz.net> |
7
|
|
|
* |
8
|
|
|
* @license http://opensource.org/licenses/BSD-3-Clause New BSD License |
9
|
|
|
*/ |
10
|
|
|
|
11
|
|
|
namespace Apix\Log; |
12
|
|
|
|
13
|
|
|
use Apix\Log\Logger\AbstractLogger; |
14
|
|
|
use Psr\Log\InvalidArgumentException; |
15
|
|
|
|
16
|
|
|
/** |
17
|
|
|
* Minimalist logger implementing PSR-3 relying on PHP's error_log(). |
18
|
|
|
* |
19
|
|
|
* @author Franck Cassedanne <franck at ouarz.net> |
20
|
|
|
*/ |
21
|
|
|
class Logger extends AbstractLogger |
22
|
|
|
{ |
23
|
|
|
/** |
24
|
|
|
* Holds all the registered loggers as buckets. |
25
|
|
|
* |
26
|
|
|
* @var Logger\LoggerInterface[]. |
27
|
|
|
*/ |
28
|
|
|
protected $buckets = array(); |
29
|
|
|
|
30
|
|
|
/** |
31
|
|
|
* Constructor. |
32
|
|
|
* |
33
|
|
|
* @param Logger\LoggerInterface[] $loggers |
34
|
|
|
*/ |
35
|
80 |
|
public function __construct(array $loggers = array()) |
36
|
|
|
{ |
37
|
80 |
|
foreach ($loggers as $key => $logger) { |
38
|
12 |
|
if ($logger instanceof Logger\LoggerInterface) { |
39
|
8 |
|
$this->buckets[] = $logger; |
40
|
2 |
|
} else { |
41
|
4 |
|
throw new InvalidArgumentException( |
42
|
4 |
|
sprintf( |
43
|
4 |
|
'"%s" must interface "%s".', |
44
|
4 |
|
get_class($logger), |
45
|
7 |
|
__NAMESPACE__.'\Logger\LoggerInterface' |
46
|
1 |
|
) |
47
|
1 |
|
); |
48
|
|
|
} |
49
|
20 |
|
} |
50
|
80 |
|
$this->sortBuckets(); |
51
|
20 |
|
} |
52
|
|
|
|
53
|
|
|
/** |
54
|
|
|
* Processes the given log. |
55
|
|
|
* (overwrite abstract). |
56
|
|
|
* |
57
|
|
|
* @param LogEntry $log The log record to handle. |
58
|
|
|
* |
59
|
|
|
* @return bool False when not processed. |
60
|
|
|
*/ |
61
|
36 |
|
public function process(LogEntry $log) |
62
|
|
|
{ |
63
|
36 |
|
$i = $this->getIndexFirstBucket($log->level_code); |
64
|
36 |
|
if (false !== $i) { |
65
|
|
|
while ( |
66
|
32 |
|
isset($this->buckets[$i]) |
67
|
32 |
|
&& $this->buckets[$i]->process($log) |
68
|
8 |
|
) { |
69
|
20 |
|
++$i; |
70
|
5 |
|
} |
71
|
|
|
|
72
|
32 |
|
return true; |
73
|
|
|
} |
74
|
|
|
|
75
|
4 |
|
return false; |
76
|
|
|
} |
77
|
|
|
|
78
|
|
|
/** |
79
|
|
|
* Checks if any log bucket can hanle the given code. |
80
|
|
|
* |
81
|
|
|
* @param int $level_code |
82
|
|
|
* |
83
|
|
|
* @return int|false |
84
|
|
|
*/ |
85
|
36 |
|
protected function getIndexFirstBucket($level_code) |
86
|
|
|
{ |
87
|
36 |
|
foreach ($this->buckets as $key => $logger) { |
88
|
36 |
|
if ($logger->isHandling($level_code)) { |
89
|
34 |
|
return $key; |
90
|
|
|
} |
91
|
6 |
|
} |
92
|
|
|
|
93
|
4 |
|
return false; |
94
|
|
|
} |
95
|
|
|
|
96
|
|
|
/** |
97
|
|
|
* Gets the name of the PSR-3 logging level. |
98
|
|
|
* |
99
|
|
|
* @param string $level_name |
100
|
|
|
* |
101
|
|
|
* @return string |
102
|
|
|
* |
103
|
|
|
* @throws InvalidArgumentException |
104
|
|
|
*/ |
105
|
8 |
|
public static function getPsrLevelName($level_name) |
106
|
|
|
{ |
107
|
8 |
|
$logLevel = '\Psr\Log\LogLevel::'.strtoupper($level_name); |
108
|
8 |
|
if (!defined($logLevel)) { |
109
|
4 |
|
throw new InvalidArgumentException( |
110
|
4 |
|
sprintf('Invalid PSR-3 log level "%s"', $level_name) |
111
|
1 |
|
); |
112
|
|
|
} |
113
|
|
|
|
114
|
4 |
|
return $level_name; |
115
|
|
|
} |
116
|
|
|
|
117
|
|
|
/** |
118
|
|
|
* Adds a logger. |
119
|
|
|
* |
120
|
|
|
* @param Logger\LoggerInterface $logger |
121
|
|
|
* |
122
|
|
|
* @return bool Returns TRUE on success or FALSE on failure. |
123
|
|
|
*/ |
124
|
32 |
|
public function add(Logger\LoggerInterface $logger) |
125
|
|
|
{ |
126
|
32 |
|
$this->buckets[] = $logger; |
127
|
|
|
|
128
|
32 |
|
return $this->sortBuckets(); |
129
|
|
|
} |
130
|
|
|
|
131
|
|
|
/** |
132
|
|
|
* Sorts the log buckets, prioritizes top-down by minimal level. |
133
|
|
|
* Beware: Exisiting level will be in FIFO order. |
134
|
|
|
* |
135
|
|
|
* @return bool Returns TRUE on success or FALSE on failure. |
136
|
|
|
*/ |
137
|
80 |
|
protected function sortBuckets() |
138
|
|
|
{ |
139
|
80 |
|
return usort( |
140
|
66 |
|
$this->buckets, function ($a, $b) { |
141
|
24 |
|
return $a->getMinLevel() > $b->getMinLevel(); |
142
|
60 |
|
} |
143
|
20 |
|
); |
144
|
|
|
} |
145
|
|
|
|
146
|
|
|
/** |
147
|
|
|
* Returns all the registered log buckets. |
148
|
|
|
* |
149
|
|
|
* @return array |
150
|
|
|
*/ |
151
|
16 |
|
public function getBuckets() |
152
|
|
|
{ |
153
|
16 |
|
return $this->buckets; |
154
|
|
|
} |
155
|
|
|
} |
156
|
|
|
|