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<?php |
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namespace Thruster\Component\PacketHandler; |
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use Thruster\Component\EventEmitter\EventEmitterInterface; |
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use Thruster\Component\EventEmitter\EventEmitterTrait; |
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use Thruster\Component\PacketHandler\Exception\InvalidPackageReceivedException; |
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use Thruster\Component\Stream\Stream; |
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/** |
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* Class StreamHandler |
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* |
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* @package Thruster\Component\PacketHandler |
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* @author Aurimas Niekis <[email protected]> |
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*/ |
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class StreamHandler implements EventEmitterInterface |
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{ |
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use EventEmitterTrait; |
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/** |
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* @var string |
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*/ |
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private $separator; |
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/** |
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* @var Stream |
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*/ |
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private $stream; |
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/** |
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* @var string |
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*/ |
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private $buffer; |
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public function __construct(Stream $stream, string $separator = "\r\n\r\n") |
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{ |
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$this->buffer = ''; |
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$this->stream = $stream; |
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$this->separator = $separator; |
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$this->stream->on('data', [$this, 'onData']); |
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} |
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public function send($data) |
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{ |
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$package = new Package(func_get_args()); |
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$packageString = base64_encode(serialize($package)) . $this->separator; |
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return $this->stream->write($packageString); |
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} |
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public function onData($data) |
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{ |
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$this->buffer .= $data; |
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if (preg_match('/' . $this->separator . '/', $this->buffer)) { |
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$messages = explode($this->separator, $this->buffer); |
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$this->buffer = array_pop($messages); |
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foreach ($messages as $message) { |
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/** @var Package $package */ |
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$package = unserialize(base64_decode($message)); |
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if ($package instanceof Package) { |
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$package->setStream($this->stream); |
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$this->emit('package', [$package]); |
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} else { |
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throw new InvalidPackageReceivedException($package); |
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} |
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} |
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} |
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} |
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/** |
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* @return Stream |
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*/ |
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public function getStream() |
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{ |
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return $this->stream; |
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} |
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} |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.