|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* ZeroMQ interface for cruftflake. |
|
4
|
|
|
* |
|
5
|
|
|
* @author @davegardnerisme |
|
6
|
|
|
*/ |
|
7
|
|
|
|
|
8
|
|
|
namespace Gendoria\CruftFlake\Zmq; |
|
9
|
|
|
|
|
10
|
|
|
use Exception; |
|
11
|
|
|
use Gendoria\CruftFlake\Generator\Generator; |
|
12
|
|
|
use Gendoria\CruftFlake\ServerInterface; |
|
13
|
|
|
use Psr\Log\LoggerAwareInterface; |
|
14
|
|
|
use Psr\Log\LoggerInterface; |
|
15
|
|
|
use Psr\Log\NullLogger; |
|
16
|
|
|
|
|
17
|
|
|
class ZmqServer implements ServerInterface, LoggerAwareInterface |
|
18
|
|
|
{ |
|
19
|
|
|
/** |
|
20
|
|
|
* Cruft flake generator. |
|
21
|
|
|
* |
|
22
|
|
|
* @var Generator |
|
23
|
|
|
*/ |
|
24
|
|
|
private $generator; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* Port. |
|
28
|
|
|
* |
|
29
|
|
|
* @var int |
|
30
|
|
|
*/ |
|
31
|
|
|
private $port; |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* Logger. |
|
35
|
|
|
* |
|
36
|
|
|
* @var LoggerInterface |
|
37
|
|
|
*/ |
|
38
|
|
|
private $logger; |
|
39
|
|
|
|
|
40
|
|
|
private $debugMode = false; |
|
41
|
|
|
|
|
42
|
|
|
/** |
|
43
|
|
|
* Constructor. |
|
44
|
|
|
* |
|
45
|
|
|
* @param @inject Generator $generator |
|
46
|
|
|
* @param string $port Which TCP port to list on, default 5599 |
|
47
|
|
|
* @param bool $debugMode Debug mode. If set to true, server will only listen for one command, before exiting. |
|
48
|
|
|
*/ |
|
49
|
3 |
|
public function __construct(Generator $generator, $port = 5599, $debugMode = false) |
|
50
|
|
|
{ |
|
51
|
3 |
|
$this->generator = $generator; |
|
52
|
3 |
|
$this->port = $port; |
|
53
|
3 |
|
$this->logger = new NullLogger(); |
|
54
|
3 |
|
$this->debugMode = $debugMode; |
|
55
|
3 |
|
} |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* Run ZMQ interface for generator. |
|
59
|
|
|
* |
|
60
|
|
|
* Req-rep pattern; msgs are commands: |
|
61
|
|
|
* |
|
62
|
|
|
* GEN = Generate ID |
|
63
|
|
|
* STATUS = Get status string |
|
64
|
|
|
*/ |
|
65
|
3 |
|
public function run() |
|
66
|
|
|
{ |
|
67
|
3 |
|
$receiver = $this->getZmqSocket($this->port); |
|
68
|
|
|
$response = array( |
|
69
|
3 |
|
'code' => 200, |
|
70
|
3 |
|
'message' => '', |
|
71
|
3 |
|
); |
|
72
|
3 |
|
while (true) { |
|
73
|
3 |
|
$msg = $receiver->recv(); |
|
74
|
3 |
|
$this->logger->debug('ZMQ server received command: '.$msg); |
|
75
|
|
|
switch ($msg) { |
|
76
|
3 |
|
case 'GEN': |
|
77
|
|
|
try { |
|
78
|
1 |
|
$response['message'] = $this->generator->generate(); |
|
79
|
1 |
|
} catch (Exception $e) { |
|
80
|
|
|
$this->logger->error('Generator error: '.$e->getMessage(), array($e, $this)); |
|
81
|
|
|
$response = array( |
|
82
|
|
|
'code' => 500, |
|
83
|
|
|
'message' => 'ERROR', |
|
84
|
|
|
); |
|
85
|
|
|
} |
|
86
|
1 |
|
break; |
|
87
|
2 |
|
case 'STATUS': |
|
88
|
1 |
|
$response['message'] = $this->generator->status(); |
|
89
|
1 |
|
break; |
|
90
|
1 |
|
default: |
|
91
|
1 |
|
$this->logger->debug('Unknown command received: '.$msg); |
|
92
|
|
|
$response = array( |
|
93
|
1 |
|
'code' => 404, |
|
94
|
1 |
|
'message' => 'UNKNOWN COMMAND', |
|
95
|
1 |
|
); |
|
96
|
1 |
|
break; |
|
97
|
1 |
|
} |
|
98
|
3 |
|
$receiver->send(json_encode($response)); |
|
99
|
3 |
|
if ($this->debugMode) { |
|
100
|
3 |
|
break; |
|
101
|
|
|
} |
|
102
|
|
|
} |
|
103
|
3 |
|
} |
|
104
|
|
|
|
|
105
|
|
|
/** |
|
106
|
|
|
* Get ZMQ socket. |
|
107
|
|
|
* |
|
108
|
|
|
* @param int $port Port, on which ZMQ connection should listen. |
|
109
|
|
|
* |
|
110
|
|
|
* @return \ZMQSocket |
|
111
|
|
|
*/ |
|
112
|
|
|
public function getZmqSocket($port) |
|
113
|
|
|
{ |
|
114
|
|
|
$context = new \ZMQContext(); |
|
115
|
|
|
$receiver = new \ZMQSocket($context, \ZMQ::SOCKET_REP); |
|
116
|
|
|
$bindTo = 'tcp://*:'.$port; |
|
117
|
|
|
$this->logger->debug("Binding to {$bindTo}"); |
|
118
|
|
|
$receiver->bind($bindTo); |
|
119
|
|
|
|
|
120
|
|
|
return $receiver; |
|
121
|
|
|
} |
|
122
|
|
|
|
|
123
|
|
|
public function setLogger(LoggerInterface $logger) |
|
124
|
|
|
{ |
|
125
|
|
|
$this->logger = $logger; |
|
126
|
|
|
} |
|
127
|
|
|
} |
|
128
|
|
|
|
Gendoria /
cruftflake
