|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Antidot\React; |
|
6
|
|
|
|
|
7
|
|
|
use Antidot\Application\Http\Handler\NextHandler; |
|
8
|
|
|
use Antidot\Application\Http\Middleware\MiddlewareQueue; |
|
9
|
|
|
use Antidot\Application\Http\Middleware\Pipeline; |
|
10
|
|
|
use Antidot\Application\Http\Middleware\SyncMiddlewareQueue; |
|
11
|
|
|
use Psr\Http\Message\ResponseInterface; |
|
12
|
|
|
use Psr\Http\Message\ServerRequestInterface; |
|
13
|
|
|
use Psr\Http\Server\MiddlewareInterface; |
|
14
|
|
|
use Psr\Http\Server\RequestHandlerInterface; |
|
15
|
|
|
use Ramsey\Uuid\Uuid; |
|
16
|
|
|
use SplQueue; |
|
17
|
|
|
use Throwable; |
|
18
|
|
|
use function React\Promise\reject; |
|
19
|
|
|
use function React\Promise\resolve; |
|
20
|
|
|
|
|
21
|
|
|
class MiddlewarePipeline implements Pipeline |
|
22
|
|
|
{ |
|
23
|
|
|
/** @var array<MiddlewareQueue> */ |
|
24
|
|
|
public array $concurrentPipelines; |
|
25
|
|
|
/** @var array<MiddlewareInterface> */ |
|
26
|
|
|
private array $middlewareCollection; |
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* @param array<MiddlewareInterface> $middlewareCollection |
|
30
|
|
|
* @param array<MiddlewareQueue> $concurrentPipelines |
|
31
|
|
|
*/ |
|
32
|
5 |
|
public function __construct( |
|
33
|
|
|
array $middlewareCollection = [], |
|
34
|
|
|
array $concurrentPipelines = [] |
|
35
|
|
|
) { |
|
36
|
5 |
|
$this->concurrentPipelines = $concurrentPipelines; |
|
37
|
5 |
|
$this->middlewareCollection = $middlewareCollection; |
|
38
|
5 |
|
} |
|
39
|
|
|
|
|
40
|
4 |
|
public function pipe(MiddlewareInterface $middleware): void |
|
41
|
|
|
{ |
|
42
|
4 |
|
$this->middlewareCollection[] = $middleware; |
|
43
|
4 |
|
} |
|
44
|
|
|
|
|
45
|
2 |
|
public function handle(ServerRequestInterface $request): ResponseInterface |
|
46
|
|
|
{ |
|
47
|
|
|
/** @var string $requestId */ |
|
48
|
2 |
|
$requestId = $request->getAttribute('request_id'); |
|
49
|
2 |
|
$this->setCurrentPipeline($requestId); |
|
50
|
|
|
|
|
51
|
2 |
|
return new PromiseResponse(resolve($request)->then( |
|
52
|
2 |
|
function (ServerRequestInterface $request) { |
|
53
|
|
|
/** @var string $requestId */ |
|
54
|
2 |
|
$requestId = $request->getAttribute('request_id'); |
|
55
|
|
|
try { |
|
56
|
|
|
/** @var MiddlewareInterface $middleware */ |
|
57
|
2 |
|
$middleware = $this->concurrentPipelines[$requestId]->dequeue(); |
|
58
|
|
|
|
|
59
|
2 |
|
$response = $middleware->process($request, $this); |
|
60
|
1 |
|
unset($this->concurrentPipelines[$requestId]); |
|
61
|
|
|
|
|
62
|
1 |
|
return resolve($response); |
|
63
|
1 |
|
} catch (Throwable $exception) { |
|
64
|
1 |
|
unset($this->concurrentPipelines[$requestId]); |
|
65
|
|
|
|
|
66
|
1 |
|
return reject($exception); |
|
67
|
|
|
} |
|
68
|
2 |
|
} |
|
69
|
|
|
)); |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
2 |
|
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
|
73
|
|
|
{ |
|
74
|
|
|
/** @var ?string $requestId */ |
|
75
|
2 |
|
$requestId = $request->getAttribute('request_id'); |
|
76
|
2 |
|
if (!$requestId) { |
|
77
|
1 |
|
$requestId = Uuid::uuid4()->toString(); |
|
78
|
1 |
|
$request = $request->withAttribute('request_id', $requestId); |
|
79
|
|
|
} |
|
80
|
2 |
|
$this->setCurrentPipeline($requestId); |
|
81
|
|
|
|
|
82
|
2 |
|
return new PromiseResponse(resolve($request) |
|
83
|
2 |
|
->then(function (ServerRequestInterface $request) use ($handler) { |
|
84
|
|
|
/** @var string $requestId */ |
|
85
|
2 |
|
$requestId = $request->getAttribute('request_id'); |
|
86
|
|
|
try { |
|
87
|
|
|
/** @var MiddlewareQueue $queue */ |
|
88
|
2 |
|
$queue = $this->concurrentPipelines[$requestId]; |
|
89
|
2 |
|
$next = new NextHandler($queue, $handler); |
|
90
|
|
|
|
|
91
|
2 |
|
return resolve($next->handle($request)); |
|
92
|
1 |
|
} catch (Throwable $exception) { |
|
93
|
1 |
|
unset($this->concurrentPipelines[$requestId]); |
|
94
|
|
|
|
|
95
|
1 |
|
return reject($exception); |
|
96
|
|
|
} |
|
97
|
2 |
|
})); |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
4 |
|
private function setCurrentPipeline(string $requestId): void |
|
101
|
|
|
{ |
|
102
|
4 |
|
if (empty($this->concurrentPipelines[$requestId])) { |
|
103
|
4 |
|
$queue = new SyncMiddlewareQueue(); |
|
104
|
4 |
|
foreach ($this->middlewareCollection as $middlewareName) { |
|
105
|
4 |
|
$queue->enqueue($middlewareName); |
|
106
|
|
|
} |
|
107
|
4 |
|
$this->concurrentPipelines[$requestId] = $queue; |
|
108
|
|
|
} |
|
109
|
4 |
|
} |
|
110
|
|
|
} |
|
111
|
|
|
|
antidot-framework /
react-framework
