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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\Frame; |
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/** |
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* Class AbstractFramePicker |
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*/ |
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abstract class AbstractFramePicker implements FramePickerInterface |
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{ |
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/** |
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* Flag, whether framePicker is finished |
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* |
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* @var bool |
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*/ |
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private $isFinished; |
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/** |
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* Frame with data for this picker |
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* |
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* @var FrameInterface |
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*/ |
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private $frame; |
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/** |
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* Collected data for this frame |
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* |
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* @var string |
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*/ |
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private $buffer; |
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/** |
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* Client's address sent this data |
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* |
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* @var string |
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*/ |
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private $remoteAddress; |
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/** |
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* AbstractFramePicker constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->isFinished = false; |
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$this->buffer = ''; |
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} |
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/** {@inheritdoc} */ |
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public function isEof() |
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{ |
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return $this->isFinished; |
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} |
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/** {@inheritdoc} */ |
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public function pickUpData($chunk, $remoteAddress) |
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{ |
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if ($this->isFinished) { |
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return $chunk; |
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} |
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if (!$this->remoteAddress && $remoteAddress) { |
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$this->remoteAddress = $remoteAddress; |
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} |
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$this->frame = null; |
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return (string) $this->doHandleData($chunk, $remoteAddress, $this->buffer); |
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} |
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/** |
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* Process raw network data. Data should be used to determine end of this concrete framePicker |
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* |
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* @param string $chunk Chunk read from socket |
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* @param string $remoteAddress Client's address sent this data |
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* @param string &$buffer Pointer to internal buffer for collecting data |
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* |
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* @return string Unprocessed data after the end of frame |
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*/ |
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abstract protected function doHandleData($chunk, $remoteAddress, &$buffer); |
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/** |
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* Create frame for picked up data |
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* |
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* @param string $buffer Buffer with collected data |
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* @param string $remoteAddress Remote socket address these data from |
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* |
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* @return FrameInterface |
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*/ |
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abstract protected function doCreateFrame($buffer, $remoteAddress); |
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/** |
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* Sets finished flag |
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* |
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* @param boolean $isFinished Flag whether framePicker is finished |
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* |
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* @return void |
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*/ |
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protected function setFinished($isFinished) |
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{ |
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$this->isFinished = $isFinished; |
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} |
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/** {@inheritdoc} */ |
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public function createFrame() |
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{ |
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if (!$this->frame) { |
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$this->frame = $this->doCreateFrame($this->buffer, $this->remoteAddress); |
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} |
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return $this->frame; |
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} |
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} |
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|
edefimov /
async-sockets
