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<?php |
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/** |
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* Async sockets |
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* |
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* @copyright Copyright (c) 2015-2017, Efimov Evgenij <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace AsyncSockets\Socket\Io; |
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use AsyncSockets\Exception\SendDataException; |
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use AsyncSockets\Frame\FramePickerInterface; |
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use AsyncSockets\Socket\SocketInterface; |
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/** |
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* Class DatagramClientIo |
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*/ |
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class DatagramClientIo extends AbstractClientIo |
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{ |
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/** |
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* Destination address |
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* |
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* @var string |
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*/ |
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protected $remoteAddress; |
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/** |
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* Constructor |
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* |
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* @param SocketInterface $socket Socket object |
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* @param string|null $remoteAddress Destination address in form scheme://host:port or null for local files io |
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*/ |
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public function __construct(SocketInterface $socket, $remoteAddress) |
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{ |
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parent::__construct($socket, 0); |
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if ($remoteAddress) { |
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$components = parse_url($remoteAddress); |
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$this->remoteAddress = $components['host'] . ':' . $components['port']; |
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} |
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} |
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/** {@inheritdoc} */ |
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protected function readRawDataIntoPicker(FramePickerInterface $picker, $isOutOfBand) |
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{ |
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$size = self::SOCKET_BUFFER_SIZE; |
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$resource = $this->socket->getStreamResource(); |
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do { |
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$data = stream_socket_recvfrom($resource, $size, STREAM_PEEK); |
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if (strlen($data) < $size) { |
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break; |
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} |
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$size += $size; |
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} while (true); |
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$data = stream_socket_recvfrom($resource, $size, 0, $actualRemoteAddress); |
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return $picker->pickUpData($data, $actualRemoteAddress); |
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} |
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/** {@inheritdoc} */ |
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protected function writeRawData($data, $isOutOfBand) |
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{ |
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$result = stream_socket_sendto($this->socket->getStreamResource(), $data, 0, $this->remoteAddress); |
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if ($result < 0) { |
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throw SendDataException::failedToSendData($this->socket); |
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} |
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return $result; |
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} |
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/** {@inheritdoc} */ |
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protected function getRemoteAddress() |
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{ |
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return $this->remoteAddress; |
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} |
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/** {@inheritdoc} */ |
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public function isConnected() |
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{ |
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return true; |
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} |
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/** {@inheritdoc} */ |
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protected function canReachFrame() |
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{ |
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// in datagram we have no second chance to receive the frame |
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return false; |
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} |
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} |
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edefimov /
async-sockets
