|
1
|
|
|
<?php declare(strict_types=1); |
|
2
|
|
|
|
|
3
|
|
|
namespace ekinhbayar\GitAmp\Websocket; |
|
4
|
|
|
|
|
5
|
|
|
use Amp\Delayed; |
|
6
|
|
|
use Amp\Http\Server\HttpServer; |
|
7
|
|
|
use Amp\Http\Server\Request; |
|
8
|
|
|
use Amp\Http\Server\Response; |
|
9
|
|
|
use Amp\Http\Status; |
|
10
|
|
|
use Amp\Promise; |
|
11
|
|
|
use Amp\Success; |
|
12
|
|
|
use Amp\Websocket\Client; |
|
13
|
|
|
use Amp\Websocket\Server\ClientHandler; |
|
14
|
|
|
use Amp\Websocket\Server\Gateway; |
|
15
|
|
|
use Amp\Websocket\Server\WebsocketServerObserver; |
|
16
|
|
|
use ekinhbayar\GitAmp\Provider\Listener; |
|
17
|
|
|
use ekinhbayar\GitAmp\Response\Results; |
|
18
|
|
|
use Psr\Log\LoggerInterface; |
|
19
|
|
|
use function Amp\asyncCall; |
|
20
|
|
|
use function Amp\call; |
|
21
|
|
|
|
|
22
|
|
|
class Handler implements ClientHandler, WebsocketServerObserver |
|
23
|
|
|
{ |
|
24
|
|
|
private Gateway $gateway; |
|
25
|
|
|
|
|
26
|
|
|
private string $origin; |
|
27
|
|
|
|
|
28
|
|
|
private Listener $provider; |
|
29
|
|
|
|
|
30
|
|
|
private ?Results $lastEvents = null; |
|
31
|
|
|
|
|
32
|
|
|
private LoggerInterface $logger; |
|
33
|
|
|
|
|
34
|
6 |
|
public function __construct(string $origin, Listener $provider, LoggerInterface $logger) |
|
35
|
|
|
{ |
|
36
|
6 |
|
$this->origin = $origin; |
|
37
|
6 |
|
$this->provider = $provider; |
|
38
|
6 |
|
$this->logger = $logger; |
|
39
|
|
|
} |
|
40
|
|
|
|
|
41
|
2 |
|
public function handleHandshake(Gateway $gateway, Request $request, Response $response): Promise |
|
42
|
|
|
{ |
|
43
|
2 |
|
if ($request->getHeader('origin') !== $this->origin) { |
|
44
|
1 |
|
return $gateway->getErrorHandler()->handleError(Status::FORBIDDEN, 'Forbidden Origin', $request); |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
1 |
|
return new Success($response); |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
1 |
|
public function handleClient(Gateway $gateway, Client $client, Request $request, Response $response): Promise |
|
51
|
|
|
{ |
|
52
|
1 |
|
return call(function () use ($gateway, $client, $request, $response) { |
|
|
|
|
|
|
53
|
1 |
|
$client->onClose(function (Client $client, int $code, string $reason) use ($gateway) { |
|
54
|
|
|
yield $this->processDisconnectingClient($gateway, $client, $code, $reason); |
|
55
|
1 |
|
}); |
|
56
|
|
|
|
|
57
|
1 |
|
$this->logger->info( |
|
58
|
1 |
|
\sprintf('Client %d connected. Total clients: %d', $client->getId(), count($gateway->getClients())), |
|
59
|
|
|
); |
|
60
|
|
|
|
|
61
|
1 |
|
yield $this->sendConnectedUsersCount(\count($gateway->getClients())); |
|
62
|
|
|
|
|
63
|
|
|
if ($this->lastEvents) { |
|
64
|
|
|
$client->send($this->lastEvents->jsonEncode()); |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
|
|
yield $client->receive(); |
|
68
|
1 |
|
}); |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
private function processDisconnectingClient(Gateway $gateway, Client $client, int $code, string $reason): Promise |
|
72
|
|
|
{ |
|
73
|
|
|
return call(function () use ($gateway, $client, $code, $reason) { |
|
74
|
|
|
$this->logger->info( |
|
75
|
|
|
\sprintf( |
|
76
|
|
|
'Client %d disconnected. Code: %d Reason: %s. Total clients: %d', |
|
77
|
|
|
$client->getId(), |
|
78
|
|
|
$code, |
|
79
|
|
|
$reason, |
|
80
|
|
|
count($gateway->getClients()), |
|
81
|
|
|
) |
|
82
|
|
|
); |
|
83
|
|
|
|
|
84
|
|
|
yield $this->sendConnectedUsersCount(count($gateway->getClients())); |
|
85
|
|
|
}); |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
3 |
|
private function emit(Results $events): Promise |
|
89
|
|
|
{ |
|
90
|
3 |
|
if (!$events->hasEvents()) { |
|
91
|
2 |
|
return new Success(); |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
1 |
|
$this->lastEvents = $events; |
|
95
|
|
|
|
|
96
|
1 |
|
return $this->gateway->broadcast($events->jsonEncode()); |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
1 |
|
private function sendConnectedUsersCount(int $count): Promise |
|
100
|
|
|
{ |
|
101
|
1 |
|
return $this->gateway->broadcast(\json_encode(['connectedUsers' => $count])); |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
3 |
|
public function onStart(HttpServer $server, Gateway $gateway): Promise |
|
105
|
|
|
{ |
|
106
|
3 |
|
$this->gateway = $gateway; |
|
107
|
|
|
|
|
108
|
3 |
|
asyncCall(function () { |
|
109
|
3 |
|
while (true) { |
|
110
|
3 |
|
$this->emit(yield $this->provider->listen()); |
|
111
|
|
|
|
|
112
|
3 |
|
yield new Delayed(25000); |
|
113
|
|
|
} |
|
114
|
3 |
|
}); |
|
115
|
|
|
|
|
116
|
3 |
|
return new Success(); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
1 |
|
public function onStop(HttpServer $server, Gateway $gateway): Promise |
|
120
|
|
|
{ |
|
121
|
1 |
|
return new Success(); |
|
122
|
|
|
} |
|
123
|
|
|
} |
|
124
|
|
|
|
ekinhbayar /
gitamp
Loading history...
This check looks for imports that have been defined, but are not used in the scope.