/
FileLogger.php
136 lines (118 loc) · 3.52 KB
/
FileLogger.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
<?php
/**
* Fluent-Logger-PHP
*
* Copyright (C) 2011 - 2012 Fluent-Logger-PHP Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace Fluent\Logger;
/**
* Fluent File logger class.
*/
class FileLogger extends BaseLogger
{
const MAX_WRITE_RETRY = 10;
protected $tag;
protected $path;
/**
* create fluent file logger object.
*
* @param string $path log file path
* @return FileLogger
*/
public function __construct($path)
{
$this->path = $path;
// don't raise error here.
$old_error_handler = set_error_handler(array($this, "ignoreError"));
$fp = @fopen($path, "c");
set_error_handler($old_error_handler);
if (is_resource($fp)) {
$this->fp = $fp;
} else {
throw new \RuntimeException("could not open file {$path}");
}
}
/**
* fluent-logger compatible API.
*
* @param string $path
*/
public static function open($path)
{
$logger = new self($path);
return $logger;
}
/**
* write a message to specified path.
*
* @param string $tag
* @param array $data
*/
public function post($tag, array $data)
{
$entity = new Entity($tag, $data);
return $this->postImpl($entity);
}
/**
* write a message to specified path.
*
* @param Entity $entity
*/
public function post2(Entity $entity)
{
return $this->postImpl($entity);
}
protected function postImpl(Entity $entity)
{
$packed = json_encode($entity->getData());
$data = $wbuffer = sprintf("%s\t%s\t%s\n",
date(\DateTime::ISO8601, $entity->getTime()),
$entity->getTag(),
$packed . PHP_EOL
);
$length = strlen($data);
$written = 0;
try {
if (!flock($this->fp, LOCK_EX)) {
throw new \Exception('could not obtain LOCK_EX');
}
fseek($this->fp, -1, SEEK_END);
while ($written < $length) {
$nwrite = fwrite($this->fp, $wbuffer);
if ($nwrite === false) {
throw new \Exception("could not write message");
} else if ($nwrite === "") {
throw new \Exception("connection aborted");
} else if ($nwrite === 0) {
if ($retry > self::MAX_WRITE_RETRY) {
throw new \Exception("failed fwrite retry: max retry count");
}
$retry++;
}
$written += $nwrite;
$wbuffer = substr($wbuffer, $written);
}
flock($this->fp, LOCK_UN);
} catch (\Exception $e) {
$this->processError($this, $entity, $e->getMessage());
return false;
}
return true;
}
public function ignoreError($errno, $errstr, $errfile, $errline)
{
return;
}
}