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<?php |
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/* |
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* Protocol FCGI library |
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* |
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* @copyright Copyright 2021. Lisachenko Alexander <[email protected]> |
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* This source file is subject to the license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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declare(strict_types=1); |
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namespace Lisachenko\Protocol\FCGI\Record; |
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use Lisachenko\Protocol\FCGI; |
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use Lisachenko\Protocol\FCGI\Record; |
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/** |
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* The Web server sends a FCGI_BEGIN_REQUEST record to start a request. |
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* |
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* @author Alexander.Lisachenko |
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*/ |
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class BeginRequest extends Record |
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{ |
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/** |
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* The role component sets the role the Web server expects the application to play. |
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* The currently-defined roles are: |
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* FCGI_RESPONDER |
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* FCGI_AUTHORIZER |
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* FCGI_FILTER |
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*/ |
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protected int $role = FCGI::UNKNOWN_ROLE; |
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/** |
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* The flags component contains a bit that controls connection shutdown. |
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* |
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* flags & FCGI_KEEP_CONN: |
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* If zero, the application closes the connection after responding to this request. |
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* If not zero, the application does not close the connection after responding to this request; |
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* the Web server retains responsibility for the connection. |
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*/ |
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protected int $flags; |
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/** |
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* Reserved data, 5 bytes maximum |
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*/ |
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protected string $reserved1; |
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public function __construct(int $role = FCGI::UNKNOWN_ROLE, int $flags = 0, string $reserved = '') |
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{ |
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$this->type = FCGI::BEGIN_REQUEST; |
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$this->role = $role; |
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$this->flags = $flags; |
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$this->reserved1 = $reserved; |
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$this->setContentData($this->packPayload()); |
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} |
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/** |
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* Returns the role |
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* |
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* The role component sets the role the Web server expects the application to play. |
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* The currently-defined roles are: |
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* FCGI_RESPONDER |
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* FCGI_AUTHORIZER |
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* FCGI_FILTER |
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*/ |
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public function getRole(): int |
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{ |
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return $this->role; |
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} |
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2 |
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/** |
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* Returns the flags |
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* |
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* The flags component contains a bit that controls connection shutdown. |
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* |
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* flags & FCGI_KEEP_CONN: |
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* If zero, the application closes the connection after responding to this request. |
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* If not zero, the application does not close the connection after responding to this request; |
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* the Web server retains responsibility for the connection. |
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*/ |
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public function getFlags(): int |
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{ |
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return $this->flags; |
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} |
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2 |
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/** |
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* {@inheritdoc} |
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*/ |
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protected static function unpackPayload($self, string $binaryData): void |
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{ |
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assert($self instanceof self); |
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/** @phpstan-var false|array{role: int, flags: int, reserved: string} */ |
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$payload = unpack("nrole/Cflags/a5reserved", $binaryData); |
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if ($payload === false) { |
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throw new \RuntimeException('Can not unpack data from the binary buffer'); |
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} |
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2 |
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[ |
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$self->role, |
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$self->flags, |
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$self->reserved1 |
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] = array_values($payload); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function packPayload(): string |
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{ |
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return pack( |
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"nCa5", |
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$this->role, |
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$this->flags, |
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$this->reserved1 |
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); |
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} |
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} |
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lisachenko /
protocol-fcgi
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