1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Asymptix\tools\logging; |
4
|
|
|
|
5
|
|
|
use Asymptix\core\OutputStream; |
6
|
|
|
|
7
|
|
|
/** |
8
|
|
|
* Universal Logging functionality. Supports browser output, file and database |
9
|
|
|
* logging. |
10
|
|
|
* |
11
|
|
|
* @category Asymptix PHP Framework |
12
|
|
|
* @author Dmytro Zarezenko <[email protected]> |
13
|
|
|
* @copyright (c) 2016, Dmytro Zarezenko |
14
|
|
|
* @license http://opensource.org/licenses/MIT |
15
|
|
|
*/ |
16
|
|
|
class Logger { |
17
|
|
|
|
18
|
|
|
/** |
19
|
|
|
* Log messages types constants. |
20
|
|
|
*/ |
21
|
|
|
const LOG_INFO = "info"; |
22
|
|
|
const LOG_DEBUG = "debug"; |
23
|
|
|
const LOG_SUCCESS = "success"; |
24
|
|
|
const LOG_WARNING = "warning"; |
25
|
|
|
const LOG_ERROR = "error"; |
26
|
|
|
|
27
|
|
|
/** |
28
|
|
|
* Log messages output directions constants. |
29
|
|
|
*/ |
30
|
|
|
const TO_OUTPUT_STREAM = 0; |
31
|
|
|
const TO_FILE = 1; |
32
|
|
|
const TO_DB = 2; |
33
|
|
|
|
34
|
|
|
/** |
35
|
|
|
* Log messages output direction. |
36
|
|
|
* |
37
|
|
|
* @var int |
38
|
|
|
*/ |
39
|
|
|
private $direction = null; |
40
|
|
|
|
41
|
|
|
/** |
42
|
|
|
* Log file name. |
43
|
|
|
* |
44
|
|
|
* @var string |
45
|
|
|
*/ |
46
|
|
|
private $fileName = null; |
47
|
|
|
|
48
|
|
|
/** |
49
|
|
|
* Log DB object. Object must have log() method for logging functionality |
50
|
|
|
* support. |
51
|
|
|
* |
52
|
|
|
* @var \Asymptix\db\DBObject |
53
|
|
|
*/ |
54
|
|
|
private $dbObject = null; |
55
|
|
|
|
56
|
|
|
/** |
57
|
|
|
* Initiates Logger setting and starts logging. |
58
|
|
|
* |
59
|
|
|
* @param int $direction Output direction. |
60
|
|
|
* @param mixed $output Output file name or DB object. |
61
|
|
|
* |
62
|
|
|
* @throws LoggerException |
63
|
|
|
*/ |
64
|
|
|
public function __construct($direction = null, $output = null) { |
65
|
|
|
switch ($direction) { |
66
|
|
|
case (null): |
|
|
|
|
67
|
|
|
case (self::TO_OUTPUT_STREAM): |
68
|
|
|
$this->direction = self::TO_OUTPUT_STREAM; |
69
|
|
|
break; |
70
|
|
|
case (self::TO_FILE): |
71
|
|
|
$this->direction = self::TO_FILE; |
72
|
|
|
$this->fileName = $output; |
73
|
|
|
break; |
74
|
|
|
case (self::TO_DB): |
75
|
|
|
$this->direction = self::TO_DB; |
76
|
|
|
$this->dbObject = $output; |
77
|
|
|
break; |
78
|
|
|
default: |
79
|
|
|
throw new LoggerException("Invalid logging output direction type"); |
80
|
|
|
} |
81
|
|
|
$this->start(); |
82
|
|
|
} |
83
|
|
|
|
84
|
|
|
/** |
85
|
|
|
* Performs preparation to the logging process. |
86
|
|
|
* |
87
|
|
|
* @throws LoggerException |
88
|
|
|
*/ |
89
|
|
|
public function start() { |
90
|
|
|
switch ($this->direction) { |
91
|
|
|
case (self::TO_OUTPUT_STREAM): |
92
|
|
|
OutputStream::start(); |
93
|
|
|
|
94
|
|
|
return; |
95
|
|
|
case (self::TO_FILE): |
96
|
|
|
if (empty($this->fileName)) { |
97
|
|
|
throw new LoggerException("Log file name is invalid"); |
98
|
|
|
} |
99
|
|
|
if (file_exists($this->fileName)) { |
100
|
|
|
if (!is_file($this->fileName)) { |
101
|
|
|
throw new LoggerException("Log file name is invalid"); |
102
|
|
|
} |
103
|
|
|
} |
104
|
|
|
if (file_put_contents($this->fileName, "", FILE_APPEND) === false) { |
105
|
|
|
throw new LoggerException("Can't write to a file"); |
106
|
|
|
} |
107
|
|
|
|
108
|
|
|
return; |
109
|
|
|
case (self::TO_DB): |
110
|
|
|
if (empty($this->dbObject) || !is_object($this->dbObject)) { |
111
|
|
|
throw new LoggerException("Invalid LogDBObject object"); |
112
|
|
|
} |
113
|
|
|
if (!method_exists($this->dbObject, "log")) { |
114
|
|
|
throw new LoggerException("No log() method in the LogDBObject object"); |
115
|
|
|
} |
116
|
|
|
|
117
|
|
|
return; |
118
|
|
|
default: |
119
|
|
|
throw new LoggerException("Invalid logging output direction type"); |
120
|
|
|
} |
121
|
|
|
} |
122
|
|
|
|
123
|
|
|
/** |
124
|
|
|
* Main logging method, performs log writing. |
125
|
|
|
* |
126
|
|
|
* @param int $type Log message type. |
127
|
|
|
* @param string $message Message text. |
128
|
|
|
* @param string $format Time label format. |
129
|
|
|
* @param int $time Timestamp. |
130
|
|
|
* |
131
|
|
|
* @throws LoggerException |
132
|
|
|
*/ |
133
|
|
|
public function log($type, $message, $format = "\[Y-m-d H:i:s\]", $time = null) { |
134
|
|
|
$msgType = null; |
|
|
|
|
135
|
|
|
switch ($type) { |
136
|
|
|
case (self::LOG_INFO): |
137
|
|
|
$msgType = OutputStream::MSG_INFO; |
138
|
|
|
break; |
139
|
|
|
case (self::LOG_DEBUG): |
140
|
|
|
$msgType = OutputStream::MSG_DEBUG; |
141
|
|
|
break; |
142
|
|
|
case (self::LOG_SUCCESS): |
143
|
|
|
$msgType = OutputStream::MSG_SUCCESS; |
144
|
|
|
break; |
145
|
|
|
case (self::LOG_WARNING): |
146
|
|
|
$msgType = OutputStream::MSG_WARNING; |
147
|
|
|
break; |
148
|
|
|
case (self::LOG_ERROR): |
149
|
|
|
$msgType = OutputStream::MSG_ERROR; |
150
|
|
|
break; |
151
|
|
|
default: |
152
|
|
|
throw new LoggerException("Invalid message type"); |
153
|
|
|
} |
154
|
|
|
|
155
|
|
|
switch ($this->direction) { |
156
|
|
|
case (self::TO_OUTPUT_STREAM): |
157
|
|
|
OutputStream::msg($msgType, $message, $format, $time); |
158
|
|
|
|
159
|
|
|
return; |
160
|
|
|
case (self::TO_FILE): |
161
|
|
|
$message = "({$type}) " . $message; |
162
|
|
|
|
163
|
|
|
if (strpos($message, "{{time}}") === false) { |
164
|
|
|
$message = "{{time}} " . $message; |
165
|
|
|
} |
166
|
|
|
if (is_null($time)) { |
167
|
|
|
$time = time(); |
168
|
|
|
} |
169
|
|
|
$message = str_replace("{{time}}", date($format, $time), $message); |
170
|
|
|
|
171
|
|
|
file_put_contents($this->fileName, "{$message}\n", FILE_APPEND); |
172
|
|
|
|
173
|
|
|
return; |
174
|
|
|
case (self::TO_DB): |
175
|
|
|
$this->dbObject->log($type, $message, $time = null); |
|
|
|
|
176
|
|
|
|
177
|
|
|
return; |
178
|
|
|
default: |
179
|
|
|
throw new LoggerException("Invalid logging output direction type"); |
180
|
|
|
} |
181
|
|
|
} |
182
|
|
|
|
183
|
|
|
/** |
184
|
|
|
* Terminal logging method, performs log to the terminal (CLI). |
185
|
|
|
* |
186
|
|
|
* @param string $message Log message text. |
187
|
|
|
* @param string $timeFormat Time label format. |
188
|
|
|
* @param int $time Timestamp. |
189
|
|
|
*/ |
190
|
|
|
public static function terminal($message, $timeFormat = "\[Y-m-d H:i:s\]", $time = null) { |
191
|
|
|
if (strpos($message, "{{time}}") === false) { |
192
|
|
|
$message = "{{time}} " . $message; |
193
|
|
|
} |
194
|
|
|
|
195
|
|
|
if (is_null($time)) { |
196
|
|
|
$time = time(); |
197
|
|
|
} |
198
|
|
|
|
199
|
|
|
print(str_replace("{{time}}", date($timeFormat, $time), $message) . "\n"); |
200
|
|
|
} |
201
|
|
|
|
202
|
|
|
/** |
203
|
|
|
* Closes Logger session. |
204
|
|
|
* |
205
|
|
|
* @throws LoggerException |
206
|
|
|
*/ |
207
|
|
|
public function close() { |
208
|
|
|
switch ($this->direction) { |
209
|
|
|
case (self::TO_OUTPUT_STREAM): |
210
|
|
|
OutputStream::close(); |
211
|
|
|
|
212
|
|
|
return; |
213
|
|
|
case (self::TO_FILE): |
214
|
|
|
// nothing to do |
215
|
|
|
return; |
216
|
|
|
case (self::TO_DB): |
217
|
|
|
// nothing to do |
218
|
|
|
return; |
219
|
|
|
default: |
220
|
|
|
throw new LoggerException("Invalid logging output direction type"); |
221
|
|
|
} |
222
|
|
|
} |
223
|
|
|
|
224
|
|
|
} |
225
|
|
|
|
226
|
|
|
class LoggerException extends \Exception {} |
|
|
|
|
227
|
|
|
|