|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* This file is part of the PHP Generics package. |
|
5
|
|
|
* |
|
6
|
|
|
* @package Generics |
|
7
|
|
|
*/ |
|
8
|
|
|
namespace Generics\Logger; |
|
9
|
|
|
|
|
10
|
|
|
use Generics\Streams\FileOutputStream; |
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* This class is a standard reference implementation of the PSR LoggerInterface. |
|
14
|
|
|
* |
|
15
|
|
|
* @author Maik Greubel <[email protected]> |
|
16
|
|
|
*/ |
|
17
|
|
|
class SimpleLogger extends BasicLogger |
|
18
|
|
|
{ |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* The log file path |
|
22
|
|
|
* |
|
23
|
|
|
* @var string |
|
24
|
|
|
*/ |
|
25
|
|
|
private $file = null; |
|
26
|
|
|
|
|
27
|
|
|
/** |
|
28
|
|
|
* The maximum log file size in megabyte |
|
29
|
|
|
* |
|
30
|
|
|
* @var int |
|
31
|
|
|
*/ |
|
32
|
|
|
private $maxLogSize; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* Create a new SimpleLogger instance |
|
36
|
|
|
* |
|
37
|
|
|
* @param string $logFilePath |
|
38
|
|
|
* The path to the log file. |
|
39
|
|
|
* @param int $maxLogSize |
|
40
|
|
|
* The maximum log file size before it is rotated. |
|
41
|
|
|
*/ |
|
42
|
16 |
|
public function __construct($logFilePath = 'application.log', $maxLogSize = 2) |
|
43
|
|
|
{ |
|
44
|
16 |
|
$this->file = $logFilePath; |
|
45
|
16 |
|
$this->maxLogSize = intval($maxLogSize); |
|
46
|
|
|
|
|
47
|
16 |
|
if ($this->maxLogSize < 1 || $this->maxLogSize > 50) { |
|
48
|
1 |
|
$this->maxLogSize = 2; |
|
49
|
|
|
} |
|
50
|
16 |
|
} |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* This function provides the real logging function. |
|
54
|
|
|
* |
|
55
|
|
|
* First the log file size is checked. |
|
56
|
|
|
* When the maximum size has reached, the file will be overwritten. |
|
57
|
|
|
* Otherwise the log string is appended. |
|
58
|
|
|
* |
|
59
|
|
|
* @param integer $level |
|
60
|
|
|
* The arbitrary level |
|
61
|
|
|
* @param string $message |
|
62
|
|
|
* The message to log |
|
63
|
|
|
* @param array $context |
|
64
|
|
|
* The context of logging |
|
65
|
|
|
*/ |
|
66
|
15 |
|
protected function logImpl($level, $message, array $context = array()) |
|
67
|
|
|
{ |
|
68
|
15 |
|
if (! $this->levelHasReached($level)) { |
|
69
|
|
|
return; |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
15 |
|
if ($this->isRotationNeeded()) { |
|
73
|
1 |
|
unlink($this->file); |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
15 |
|
$ms = $this->getMessage($level, $message, $context); |
|
77
|
|
|
|
|
78
|
14 |
|
$fos = new FileOutputStream($this->file, true); |
|
79
|
14 |
|
$fos->write($ms); |
|
80
|
14 |
|
$fos->flush(); |
|
81
|
14 |
|
$fos->close(); |
|
82
|
14 |
|
} |
|
83
|
|
|
|
|
84
|
|
|
/** |
|
85
|
|
|
* Checks whether a rotation of log file is necessary |
|
86
|
|
|
* |
|
87
|
|
|
* @return boolean true in case of its necessary, false otherwise |
|
88
|
|
|
*/ |
|
89
|
15 |
|
private function isRotationNeeded() |
|
90
|
|
|
{ |
|
91
|
15 |
|
clearstatcache(); |
|
92
|
|
|
|
|
93
|
15 |
|
if (! file_exists($this->file)) { |
|
94
|
15 |
|
return false; |
|
95
|
|
|
} |
|
96
|
|
|
|
|
97
|
1 |
|
$result = false; |
|
98
|
|
|
|
|
99
|
1 |
|
$attributes = stat($this->file); |
|
100
|
|
|
|
|
101
|
1 |
|
if ($attributes == false || $attributes['size'] >= $this->maxLogSize * 1024 * 1024) { |
|
102
|
1 |
|
$result = true; |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
1 |
|
return $result; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
/** |
|
109
|
|
|
* Retrieve the file name of logger |
|
110
|
|
|
* |
|
111
|
|
|
* @return string |
|
112
|
|
|
*/ |
|
113
|
14 |
|
public function getFile() |
|
114
|
|
|
{ |
|
115
|
14 |
|
return $this->file; |
|
116
|
|
|
} |
|
117
|
|
|
|
|
118
|
|
|
/** |
|
119
|
|
|
* Retrieve the maximum size of log file in megabytes |
|
120
|
|
|
* |
|
121
|
|
|
* @return int |
|
122
|
|
|
*/ |
|
123
|
1 |
|
public function getMaxLogSize() |
|
124
|
|
|
{ |
|
125
|
1 |
|
return $this->maxLogSize; |
|
126
|
|
|
} |
|
127
|
|
|
} |
|
128
|
|
|
|
maikgreubel /
phpgenerics
