1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* HTTP server wrapper |
4
|
|
|
* User: moyo |
5
|
|
|
* Date: 29/09/2017 |
6
|
|
|
* Time: 3:42 PM |
7
|
|
|
*/ |
8
|
|
|
|
9
|
|
|
namespace Carno\HRPC\Handlers; |
10
|
|
|
|
11
|
|
|
use Carno\Chain\Layered; |
12
|
|
|
use Carno\Coroutine\Context; |
13
|
|
|
use Carno\HRPC\Client\Chips\ErrorsHelper; |
14
|
|
|
use Carno\HRPC\Client\Contracts\Defined; |
15
|
|
|
use Carno\HRPC\Exception\ServerUnavailableException; |
16
|
|
|
use Carno\HTTP\Server\Connection; |
17
|
|
|
use Carno\HTTP\Standard\Response as HResponse; |
18
|
|
|
use Carno\RPC\Errors\GenericError; |
19
|
|
|
use Carno\RPC\Exception\IllegalRequestSyntaxException; |
20
|
|
|
use Carno\RPC\Exception\RemoteLogicException; |
21
|
|
|
use Carno\RPC\Exception\RemoteSystemException; |
22
|
|
|
use Carno\RPC\Exception\RequestTargetNotFoundException; |
23
|
|
|
use Carno\RPC\Protocol\Request; |
24
|
|
|
use Carno\RPC\Protocol\Response; |
25
|
|
|
use Throwable; |
26
|
|
|
|
27
|
|
|
class ServerWrapper implements Layered |
28
|
|
|
{ |
29
|
|
|
use ErrorsHelper; |
30
|
|
|
|
31
|
|
|
/** |
32
|
|
|
* operated connection |
33
|
|
|
*/ |
34
|
|
|
public const CONNECTION = 'conn-session'; |
35
|
|
|
|
36
|
|
|
/** |
37
|
|
|
* request/response for connection |
38
|
|
|
*/ |
39
|
|
|
public const REQUESTING = 'conn-request'; |
40
|
|
|
public const RESPONDING = 'conn-response'; |
41
|
|
|
|
42
|
|
|
/** |
43
|
|
|
* @param Connection $ingress |
44
|
|
|
* @param Context $ctx |
45
|
|
|
* @return Request |
46
|
|
|
*/ |
47
|
|
|
public function inbound($ingress, Context $ctx) : Request |
48
|
|
|
{ |
49
|
|
|
$ctx->set(self::CONNECTION, $ingress); |
50
|
|
|
$ctx->set(self::REQUESTING, $sr = $ingress->request()); |
51
|
|
|
|
52
|
|
|
switch ($sr->getMethod()) { |
53
|
|
|
case 'POST': |
54
|
|
|
$content = $sr->getHeaderLine('Content-Type'); |
55
|
|
|
$payload = (string) $sr->getBody(); |
56
|
|
|
break; |
57
|
|
|
default: |
58
|
|
|
throw new IllegalRequestSyntaxException("METHOD:{$sr->getMethod()}"); |
59
|
|
|
} |
60
|
|
|
|
61
|
|
|
switch (substr($path = $sr->getUri()->getPath(), 1, ($crp = strpos($path, '/', 1)) - 1)) { |
62
|
|
|
case 'invoke': |
63
|
|
|
$uri = substr($path, $crp + 1); |
64
|
|
|
goto COMMAND_IVK; |
65
|
|
|
break; |
66
|
|
|
default: |
67
|
|
|
throw new IllegalRequestSyntaxException("PATH:{$path}"); |
68
|
|
|
} |
69
|
|
|
|
70
|
|
|
COMMAND_IVK: |
71
|
|
|
|
72
|
|
|
list($service, $method) = explode('/', $uri); |
73
|
|
|
|
74
|
|
|
return |
75
|
|
|
(new Request($ingress->serviced() ?: $sr->getHeaderLine('Host'), ucfirst($service), lcfirst($method))) |
76
|
|
|
->setJsonc($content === Defined::V_TYPE_JSON) |
77
|
|
|
->setPayload($payload) |
78
|
|
|
; |
79
|
|
|
} |
80
|
|
|
|
81
|
|
|
/** |
82
|
|
|
* @param Response $response |
83
|
|
|
* @param Context $ctx |
84
|
|
|
* @return HResponse |
85
|
|
|
*/ |
86
|
|
|
public function outbound($response, Context $ctx) : HResponse |
87
|
|
|
{ |
88
|
|
|
if ($response instanceof Response) { |
|
|
|
|
89
|
|
|
$http = new HResponse( |
90
|
|
|
200, |
91
|
|
|
[ |
92
|
|
|
'Content-Type' => $response->isJsonc() ? Defined::V_TYPE_JSON : Defined::V_TYPE_PROTO, |
93
|
|
|
], |
94
|
|
|
$response->getPayload() |
95
|
|
|
); |
96
|
|
|
} else { |
97
|
|
|
$http = new HResponse(500, $this->errorHeaders('Invalid service response')); |
98
|
|
|
} |
99
|
|
|
|
100
|
|
|
$ctx->set(self::RESPONDING, $http); |
101
|
|
|
|
102
|
|
|
return $http; |
103
|
|
|
} |
104
|
|
|
|
105
|
|
|
/** |
106
|
|
|
* @param Throwable $e |
107
|
|
|
* @param Context $ctx |
108
|
|
|
* @throws Throwable |
109
|
|
|
*/ |
110
|
|
|
public function exception(Throwable $e, Context $ctx) : void |
111
|
|
|
{ |
112
|
|
|
/** |
113
|
|
|
* @var Connection $ingress |
114
|
|
|
*/ |
115
|
|
|
$ingress = $ctx->get(self::CONNECTION); |
116
|
|
|
|
117
|
|
|
if ($e instanceof IllegalRequestSyntaxException) { |
118
|
|
|
$r = new HResponse(400); |
119
|
|
|
} elseif ($e instanceof RequestTargetNotFoundException) { |
120
|
|
|
$r = new HResponse(404); |
121
|
|
|
} elseif ($e instanceof GenericError) { |
122
|
|
|
$r = new HResponse( |
123
|
|
|
$e instanceof RemoteLogicException ? 500 : 200, |
124
|
|
|
$this->errorHeaders($e->getMessage(), $e->getCode()) |
125
|
|
|
); |
126
|
|
|
} elseif ($e instanceof ServerUnavailableException) { |
127
|
|
|
$r = new HResponse(503); |
128
|
|
|
} else { |
129
|
|
|
$r = new HResponse( |
130
|
|
|
500, |
131
|
|
|
$e instanceof RemoteSystemException |
132
|
|
|
? $this->errorHeaders($e->getMessage(), $e->getCode()) |
133
|
|
|
: $this->errorHeaders( |
134
|
|
|
sprintf('%s::%s::%s', $ingress->serviced(), get_class($e), $e->getMessage()), |
135
|
|
|
$e->getCode() |
136
|
|
|
) |
137
|
|
|
); |
138
|
|
|
} |
139
|
|
|
|
140
|
|
|
$ctx->set(self::RESPONDING, $r); |
141
|
|
|
|
142
|
|
|
throw $e; |
143
|
|
|
} |
144
|
|
|
} |
145
|
|
|
|