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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; |
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use AsyncSockets\Exception\ConnectionException; |
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use AsyncSockets\Socket\Io\DatagramServerIo; |
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use AsyncSockets\Socket\Io\StreamedServerIo; |
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/** |
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* Class ServerSocket |
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*/ |
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class ServerSocket extends AbstractSocket |
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{ |
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/** {@inheritdoc} */ |
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protected function createSocketResource($address, $context) |
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{ |
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$type = $this->getSocketScheme($address); |
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$resource = stream_socket_server( |
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$address, |
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$errno, |
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$errstr, |
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$this->getServerFlagsByType($type), |
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$context |
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); |
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if ($errno || $resource === false) { |
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throw new ConnectionException($this, $errstr, $errno); |
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} |
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return $resource; |
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} |
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/** {@inheritdoc} */ |
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protected function createIoInterface($type, $address) |
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{ |
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switch ($type) { |
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case self::SOCKET_TYPE_UNIX: |
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return new StreamedServerIo($this); |
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case self::SOCKET_TYPE_TCP: |
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return new StreamedServerIo($this); |
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case self::SOCKET_TYPE_UDG: |
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return new DatagramServerIo($this, true); |
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case self::SOCKET_TYPE_UDP: |
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return new DatagramServerIo($this, false); |
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default: |
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throw new \LogicException("Unsupported socket resource type {$type}"); |
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} |
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} |
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/** |
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* Return socket scheme |
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* |
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* @param string $address Address in form scheme://host:port |
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* |
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* @return string|null |
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*/ |
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private function getSocketScheme($address) |
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{ |
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$pos = strpos($address, '://'); |
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if ($pos === false) { |
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return null; |
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} |
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return substr($address, 0, $pos); |
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} |
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/** |
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* Return flags for connection |
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* |
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* @param string $scheme Socket type being created |
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* |
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* @return int |
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*/ |
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private function getServerFlagsByType($scheme) |
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{ |
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$connectionLessMap = [ |
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'udp' => 1, |
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'udg' => 1, |
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]; |
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return isset($connectionLessMap[ $scheme ]) ? |
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STREAM_SERVER_BIND : |
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STREAM_SERVER_BIND | STREAM_SERVER_LISTEN; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function isServer() |
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{ |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function isClient() |
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{ |
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return false; |
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} |
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} |
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|
edefimov /
async-sockets
