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<?php namespace Comodojo\Extender\Components; |
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use \Comodojo\Dispatcher\Components\Configuration; |
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use \Exception; |
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/** |
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* Basic IPC implementation |
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* |
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* @package Comodojo extender |
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* @author Marco Giovinazzi <[email protected]> |
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* @license GPL-3.0+ |
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* |
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* LICENSE: |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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class Ipc { |
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const READER = 0; |
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const WRITER = 1; |
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private $bytes; |
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private $ipc = array(); |
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public function __construct(Configuration $configuration) { |
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$this->bytes = self::getBytes($configuration->get('child-max-result-bytes')); |
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} |
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public function init($uid) { |
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$this->ipc[$uid] = array(); |
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$socket = socket_create_pair(AF_UNIX, SOCK_STREAM, 0, $this->ipc[$uid]); |
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if ( $socket == false ) throw new Exception("Socket error: ".socket_strerror(socket_last_error())); |
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return $socket; |
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} |
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View Code Duplication |
public function read($uid) { |
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$reader = $this->ipc[$uid][self::READER]; |
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$result = socket_read($reader, $this->bytes, PHP_BINARY_READ); |
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if ( $result === false ) throw new Exception("Socket error: ".socket_strerror(socket_last_error($reader))); |
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return $result; |
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} |
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View Code Duplication |
public function write($uid, $data) { |
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$writer = $this->ipc[$uid][self::WRITER]; |
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$result = socket_write($writer, $data, strlen($data)); |
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if ( $result === false ) throw new Exception("Socket error: ".socket_strerror(socket_last_error($writer))); |
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return $result; |
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} |
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public function close($uid, $handler) { |
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socket_close($this->ipc[$uid][$handler]); |
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} |
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public function hang($uid) { |
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socket_close($this->ipc[$uid][self::READER]); |
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socket_close($this->ipc[$uid][self::WRITER]); |
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} |
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public function free() { |
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$this->ipc = array(); |
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} |
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View Code Duplication |
private static function getBytes($bytes = null) { |
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return filter_var($bytes, FILTER_VALIDATE_INT, array( |
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'options' => array( |
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'default' => 2048, |
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'min_range' => 1024 |
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) |
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)); |
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} |
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} |
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comodojo /
extender.framework
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