1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/** |
4
|
|
|
* This file is part of the PHP Generics package. |
5
|
|
|
* |
6
|
|
|
* @package Generics |
7
|
|
|
*/ |
8
|
|
|
namespace Generics\Socket; |
9
|
|
|
|
10
|
|
|
/** |
11
|
|
|
* This class provides a basic client socket implementation |
12
|
|
|
* |
13
|
|
|
* @author Maik Greubel <[email protected]> |
14
|
|
|
*/ |
15
|
|
|
class ServerSocket extends Socket |
16
|
|
|
{ |
17
|
|
|
|
18
|
|
|
/** |
19
|
|
|
* Create a new server socket |
20
|
|
|
* |
21
|
|
|
* @param Endpoint $endpoint |
22
|
|
|
* The endpoint to use |
23
|
|
|
* |
24
|
|
|
* @throws SocketException In case of creation of socket has failed or socket options could not be set. |
25
|
|
|
*/ |
26
|
1 |
|
public function __construct(Endpoint $endpoint) |
27
|
|
|
{ |
28
|
1 |
|
parent::__construct($endpoint); |
29
|
1 |
|
if (! @socket_set_option($this->handle, SOL_SOCKET, SO_REUSEADDR, 1)) { |
30
|
|
|
$code = socket_last_error($this->handle); |
31
|
|
|
throw new SocketException(socket_strerror($code), array(), $code); |
32
|
|
|
} |
33
|
1 |
|
} |
34
|
|
|
|
35
|
|
|
/** |
36
|
|
|
* Creates a service at the given endpoint |
37
|
|
|
* |
38
|
|
|
* @throws SocketException in case of it is not possible to serve due to binding or listening error |
39
|
|
|
*/ |
40
|
|
|
public function serve(ServiceCallback $callback) |
41
|
|
|
{ |
42
|
|
|
$this->bind(); |
43
|
|
|
|
44
|
|
|
$this->listen(); |
45
|
|
|
|
46
|
|
|
$runOn = true; |
47
|
|
|
|
48
|
|
|
while ($runOn) { |
49
|
|
|
$clientHandle = @socket_accept($this->handle); |
50
|
|
|
|
51
|
|
|
if (! is_resource($clientHandle)) { |
52
|
|
|
$code = socket_last_error($this->handle); |
53
|
|
|
throw new SocketException(socket_strerror($code), array(), $code); |
54
|
|
|
} |
55
|
|
|
|
56
|
|
|
$address = null; |
57
|
|
|
$port = 0; |
58
|
|
|
if (! @socket_getpeername($clientHandle, $address, $port)) { |
59
|
|
|
$code = socket_last_error($clientHandle); |
60
|
|
|
throw new SocketException(socket_strerror($code), array(), $code); |
61
|
|
|
} |
62
|
|
|
|
63
|
|
|
$client = new ClientSocket(new Endpoint($address, $port), $clientHandle); |
64
|
|
|
|
65
|
|
|
$runOn = boolval($callback->callback($client)); |
66
|
|
|
} |
67
|
|
|
} |
68
|
|
|
|
69
|
|
|
/** |
70
|
|
|
* Bind the server socket to the given endpoint |
71
|
|
|
* |
72
|
|
|
* @throws SocketException in case of binding has failed |
73
|
|
|
*/ |
74
|
|
|
private function bind() |
75
|
|
|
{ |
76
|
|
|
if (! @socket_bind($this->handle, $this->endpoint->getAddress(), $this->endpoint->getPort())) { |
77
|
|
|
$code = socket_last_error($this->handle); |
78
|
|
|
throw new SocketException(socket_strerror($code), array(), $code); |
79
|
|
|
} |
80
|
|
|
} |
81
|
|
|
|
82
|
|
|
/** |
83
|
|
|
* Listen to the binded socket endpoint |
84
|
|
|
* |
85
|
|
|
* @throws SocketException in case of listening is not possible |
86
|
|
|
*/ |
87
|
|
|
private function listen() |
88
|
|
|
{ |
89
|
|
|
if (! @socket_listen($this->handle, 5)) { |
90
|
|
|
$code = socket_last_error($this->handle); |
91
|
|
|
throw new SocketException(socket_strerror($code), array(), $code); |
92
|
|
|
} |
93
|
|
|
} |
94
|
|
|
} |
95
|
|
|
|