|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Puzzle\AMQP\Messages\Processors; |
|
4
|
|
|
|
|
5
|
|
|
use Puzzle\AMQP\WritableMessage; |
|
6
|
|
|
use Puzzle\AMQP\Messages\Bodies\Binary; |
|
7
|
|
|
use Psr\Log\LoggerAwareTrait; |
|
8
|
|
|
use Psr\Log\NullLogger; |
|
9
|
|
|
use Puzzle\Pieces\StringManipulation; |
|
10
|
|
|
use Puzzle\AMQP\Messages\OnPublishProcessor; |
|
11
|
|
|
use Puzzle\AMQP\Messages\OnConsumeProcessor; |
|
12
|
|
|
use Puzzle\AMQP\ReadableMessage; |
|
13
|
|
|
use Puzzle\AMQP\Workers\ReadableMessageModifier; |
|
14
|
|
|
use Puzzle\AMQP\Messages\BodyFactory; |
|
15
|
|
|
|
|
16
|
|
|
class GZip implements OnPublishProcessor, OnConsumeProcessor |
|
17
|
|
|
{ |
|
18
|
|
|
use |
|
19
|
|
|
LoggerAwareTrait, |
|
20
|
|
|
StringManipulation; |
|
21
|
|
|
|
|
22
|
|
|
const |
|
23
|
|
|
HEADER_COMPRESSION = 'compression', |
|
24
|
|
|
HEADER_COMPRESSION_CONTENT_TYPE = 'compression_content-type', |
|
25
|
|
|
COMPRESSION_ALGORITHM = 'gzip'; |
|
26
|
|
|
|
|
27
|
|
|
private |
|
28
|
|
|
$compressionLevel, |
|
29
|
|
|
$encodingMode; |
|
30
|
|
|
|
|
31
|
12 |
|
public function __construct() |
|
32
|
|
|
{ |
|
33
|
12 |
|
$this->compressionLevel = -1; |
|
34
|
12 |
|
$this->encodingMode = FORCE_GZIP; |
|
35
|
12 |
|
$this->logger = new NullLogger(); |
|
36
|
12 |
|
} |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* @return self |
|
40
|
|
|
*/ |
|
41
|
6 |
|
public function setCompressionLevel($compressionLevel = -1) |
|
42
|
|
|
{ |
|
43
|
6 |
|
if(! $this->isCompressionLevelValid($compressionLevel)) |
|
44
|
6 |
|
{ |
|
45
|
5 |
|
$this->logWarning(sprintf( |
|
46
|
5 |
|
"Invalid compression level (%s)", |
|
47
|
5 |
|
$this->convertToString($compressionLevel) |
|
48
|
5 |
|
)); |
|
49
|
|
|
|
|
50
|
5 |
|
return $this; |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
1 |
|
$this->compressionLevel = (int) $compressionLevel; |
|
54
|
|
|
|
|
55
|
1 |
|
return $this; |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
6 |
|
private function isCompressionLevelValid($level) |
|
59
|
|
|
{ |
|
60
|
6 |
|
return is_numeric($level) && $level >= -1 && $level <= 9; |
|
61
|
|
|
} |
|
62
|
|
|
|
|
63
|
6 |
|
private function logWarning($message) |
|
64
|
|
|
{ |
|
65
|
6 |
|
$this->logger->warning(sprintf( |
|
66
|
6 |
|
"[%s] : %s", |
|
67
|
6 |
|
"PROCESSOR " . __CLASS__, |
|
68
|
|
|
$message |
|
69
|
6 |
|
)); |
|
70
|
6 |
|
} |
|
71
|
|
|
|
|
72
|
1 |
|
public function setEncodingMode($mode) |
|
73
|
|
|
{ |
|
74
|
1 |
|
if(! is_scalar($mode) || ! in_array($mode, [FORCE_GZIP, FORCE_DEFLATE])) |
|
75
|
1 |
|
{ |
|
76
|
1 |
|
$this->logWarning(sprintf( |
|
77
|
1 |
|
"Invalid encoding mode (%s)", |
|
78
|
1 |
|
$this->convertToString($mode) |
|
79
|
1 |
|
)); |
|
80
|
|
|
|
|
81
|
1 |
|
return $this; |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
1 |
|
$this->encodingMode = $mode; |
|
85
|
|
|
|
|
86
|
1 |
|
return $this; |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
3 |
|
public function onPublish(WritableMessage $message) |
|
90
|
|
|
{ |
|
91
|
3 |
|
if($message->isCompressionAllowed() === false) |
|
92
|
3 |
|
{ |
|
93
|
1 |
|
return; |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
2 |
|
$compressedContent = gzencode($message->getBodyInTransportFormat(), $this->compressionLevel); |
|
97
|
|
|
|
|
98
|
2 |
|
$this->updateCompressedMessage($message, $compressedContent); |
|
99
|
2 |
|
} |
|
100
|
|
|
|
|
101
|
2 |
|
private function updateCompressedMessage(WritableMessage $message, $compressedContent) |
|
102
|
|
|
{ |
|
103
|
2 |
|
$message->addHeaders([ |
|
104
|
2 |
|
self::HEADER_COMPRESSION => self::COMPRESSION_ALGORITHM, |
|
105
|
2 |
|
self::HEADER_COMPRESSION_CONTENT_TYPE => $message->getContentType(), |
|
106
|
2 |
|
]); |
|
107
|
|
|
|
|
108
|
2 |
|
$message->setBody(new Binary($compressedContent)); |
|
109
|
2 |
|
} |
|
110
|
|
|
|
|
111
|
4 |
|
public function onConsume(ReadableMessage $message) |
|
112
|
|
|
{ |
|
113
|
4 |
|
if($this->isCompressed($message)) |
|
114
|
4 |
|
{ |
|
115
|
1 |
|
$message = $this->updateUncompressedMessage( |
|
116
|
1 |
|
$message, |
|
117
|
1 |
|
gzdecode($message->getBodyInOriginalFormat()) |
|
118
|
1 |
|
); |
|
119
|
1 |
|
} |
|
120
|
|
|
|
|
121
|
4 |
|
return $message; |
|
122
|
|
|
} |
|
123
|
|
|
|
|
124
|
4 |
|
private function isCompressed(ReadableMessage $message) |
|
125
|
|
|
{ |
|
126
|
4 |
|
$headers = $message->getHeaders(); |
|
127
|
|
|
|
|
128
|
4 |
|
if(isset($headers[self::HEADER_COMPRESSION]) |
|
129
|
4 |
|
&& isset($headers[self::HEADER_COMPRESSION_CONTENT_TYPE])) |
|
130
|
4 |
|
{ |
|
131
|
2 |
|
return self::COMPRESSION_ALGORITHM === $headers[self::HEADER_COMPRESSION]; |
|
132
|
|
|
} |
|
133
|
|
|
|
|
134
|
2 |
|
return false; |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
1 |
|
private function updateUncompressedMessage(ReadableMessage $message, $uncompressedContent) |
|
138
|
|
|
{ |
|
139
|
1 |
|
$builder = new ReadableMessageModifier($message); |
|
140
|
|
|
|
|
141
|
1 |
|
$headers = $message->getHeaders(); |
|
142
|
1 |
|
$newContentType = $headers[self::HEADER_COMPRESSION_CONTENT_TYPE]; |
|
143
|
|
|
|
|
144
|
1 |
|
$newBody = (new BodyFactory())->create($newContentType, $uncompressedContent); |
|
145
|
|
|
|
|
146
|
|
|
$builder |
|
147
|
1 |
|
->changeBody($newBody) |
|
148
|
1 |
|
->changeAttribute('content_type', $newContentType) |
|
149
|
1 |
|
->dropHeader(self::HEADER_COMPRESSION) |
|
150
|
1 |
|
->dropHeader(self::HEADER_COMPRESSION_CONTENT_TYPE); |
|
151
|
|
|
|
|
152
|
1 |
|
return $builder->build(); |
|
153
|
|
|
} |
|
154
|
|
|
} |
|
155
|
|
|
|
puzzle-org /
amqp
