|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* This file is part of the Tarantool Client package. |
|
5
|
|
|
* |
|
6
|
|
|
* (c) Eugene Leonovich <[email protected]> |
|
7
|
|
|
* |
|
8
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
9
|
|
|
* file that was distributed with this source code. |
|
10
|
|
|
*/ |
|
11
|
|
|
|
|
12
|
|
|
declare(strict_types=1); |
|
13
|
|
|
|
|
14
|
|
|
namespace Tarantool\Client\Connection; |
|
15
|
|
|
|
|
16
|
|
|
use Tarantool\Client\Exception\CommunicationFailed; |
|
17
|
|
|
use Tarantool\Client\Exception\ConnectionFailed; |
|
18
|
|
|
use Tarantool\Client\Packer\PacketLength; |
|
19
|
|
|
|
|
20
|
|
|
final class StreamConnection implements Connection |
|
21
|
|
|
{ |
|
22
|
|
|
public const DEFAULT_URI = 'tcp://127.0.0.1:3301'; |
|
23
|
|
|
|
|
24
|
|
|
private const DEFAULT_OPTIONS = [ |
|
25
|
|
|
'connect_timeout' => 5, |
|
26
|
|
|
'socket_timeout' => 5, |
|
27
|
|
|
'tcp_nodelay' => true, |
|
28
|
|
|
'persistent' => false, |
|
29
|
|
|
]; |
|
30
|
|
|
|
|
31
|
|
|
private $stream; |
|
32
|
|
|
private $streamContext; |
|
33
|
|
|
private $uri; |
|
34
|
|
|
private $options; |
|
35
|
|
|
private $greeting; |
|
36
|
|
|
|
|
37
|
461 |
|
private function __construct(string $uri, array $options) |
|
38
|
|
|
{ |
|
39
|
461 |
|
$this->uri = $uri; |
|
40
|
461 |
|
$this->options = $options + self::DEFAULT_OPTIONS; |
|
41
|
461 |
|
} |
|
42
|
|
|
|
|
43
|
305 |
|
public static function createTcp(string $uri = self::DEFAULT_URI, array $options = []) : self |
|
44
|
|
|
{ |
|
45
|
305 |
|
$self = new self($uri, $options); |
|
46
|
|
|
|
|
47
|
305 |
|
if ($self->options['tcp_nodelay'] ?? false) { |
|
48
|
305 |
|
$self->streamContext = \stream_context_create(['socket' => ['tcp_nodelay' => true]]); |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
305 |
|
return $self; |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
159 |
|
public static function createUds(string $uri, array $options = []) : self |
|
55
|
|
|
{ |
|
56
|
159 |
|
return new self($uri, $options); |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
461 |
|
public static function create(string $uri, array $options = []) : self |
|
60
|
|
|
{ |
|
61
|
461 |
|
return 0 === \strpos($uri, 'unix://') |
|
62
|
159 |
|
? self::createUds($uri, $options) |
|
63
|
461 |
|
: self::createTcp($uri, $options); |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
428 |
|
public function open() : ?Greeting |
|
67
|
|
|
{ |
|
68
|
428 |
|
if (\is_resource($this->stream)) { |
|
69
|
233 |
|
return $this->greeting; |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
428 |
|
$flags = $this->options['persistent'] |
|
73
|
6 |
|
? \STREAM_CLIENT_CONNECT | \STREAM_CLIENT_PERSISTENT |
|
74
|
428 |
|
: \STREAM_CLIENT_CONNECT; |
|
75
|
|
|
|
|
76
|
428 |
|
$stream = $this->streamContext ? @\stream_socket_client( |
|
77
|
281 |
|
$this->uri, |
|
78
|
|
|
$errorCode, |
|
79
|
|
|
$errorMessage, |
|
80
|
281 |
|
(float) $this->options['connect_timeout'], |
|
81
|
281 |
|
$flags, |
|
82
|
281 |
|
$this->streamContext |
|
83
|
147 |
|
) : @\stream_socket_client( |
|
84
|
147 |
|
$this->uri, |
|
85
|
|
|
$errorCode, |
|
86
|
|
|
$errorMessage, |
|
87
|
147 |
|
(float) $this->options['connect_timeout'], |
|
88
|
428 |
|
$flags |
|
89
|
|
|
); |
|
90
|
|
|
|
|
91
|
428 |
|
if (false === $stream) { |
|
92
|
9 |
|
throw ConnectionFailed::fromUriAndReason($this->uri, $errorMessage); |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
419 |
|
$this->stream = $stream; |
|
96
|
419 |
|
\stream_set_timeout($this->stream, $this->options['socket_timeout']); |
|
97
|
|
|
|
|
98
|
419 |
|
if ($this->options['persistent'] && \ftell($this->stream)) { |
|
99
|
3 |
|
return $this->greeting; |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
419 |
|
$greeting = $this->read(Greeting::SIZE_BYTES, 'Unable to read greeting.'); |
|
103
|
|
|
|
|
104
|
413 |
|
return $this->greeting = Greeting::parse($greeting); |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
18 |
|
public function close() : void |
|
108
|
|
|
{ |
|
109
|
18 |
|
if (\is_resource($this->stream)) { |
|
110
|
15 |
|
\fclose($this->stream); |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
18 |
|
$this->stream = null; |
|
114
|
18 |
|
$this->greeting = null; |
|
115
|
18 |
|
} |
|
116
|
|
|
|
|
117
|
6 |
|
public function isClosed() : bool |
|
118
|
|
|
{ |
|
119
|
6 |
|
return !\is_resource($this->stream); |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
354 |
|
public function send(string $data) : string |
|
123
|
|
|
{ |
|
124
|
354 |
|
if (!\fwrite($this->stream, $data)) { |
|
125
|
3 |
|
throw new CommunicationFailed('Unable to write request.'); |
|
126
|
|
|
} |
|
127
|
|
|
|
|
128
|
354 |
|
$length = $this->read(PacketLength::SIZE_BYTES, 'Unable to read response length.'); |
|
129
|
345 |
|
$length = PacketLength::unpack($length); |
|
130
|
|
|
|
|
131
|
345 |
|
return $this->read($length, 'Unable to read response.'); |
|
132
|
|
|
} |
|
133
|
|
|
|
|
134
|
419 |
|
private function read(int $length, string $errorMessage) : string |
|
135
|
|
|
{ |
|
136
|
419 |
|
if ($data = \stream_get_contents($this->stream, $length)) { |
|
137
|
413 |
|
return $data; |
|
138
|
|
|
} |
|
139
|
|
|
|
|
140
|
18 |
|
$meta = \stream_get_meta_data($this->stream); |
|
141
|
18 |
|
throw new CommunicationFailed($meta['timed_out'] ? 'Read timed out.' : $errorMessage); |
|
142
|
|
|
} |
|
143
|
|
|
} |
|
144
|
|
|
|
tarantool-php /
client
