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<?php |
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/** |
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* @copyright Copyright (c) 2016 Robin Appelman <[email protected]> |
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* This file is licensed under the Licensed under the MIT license: |
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* http://opensource.org/licenses/MIT |
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* |
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*/ |
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namespace Icewind\SMB; |
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class NotifyHandler implements INotifyHandler { |
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/** |
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* @var Connection |
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*/ |
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private $connection; |
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/** |
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* @var string |
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*/ |
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private $path; |
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private $listening = true; |
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/** |
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* @param Connection $connection |
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* @param string $path |
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*/ |
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public function __construct(Connection $connection, $path) { |
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$this->connection = $connection; |
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$this->path = $path; |
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} |
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/** |
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* Get all changes detected since the start of the notify process or the last call to getChanges |
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* |
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* @return Change[] |
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*/ |
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public function getChanges() { |
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if (!$this->listening) { |
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return []; |
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} |
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stream_set_blocking($this->connection->getOutputStream(), 0); |
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$lines = []; |
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while (($line = $this->connection->readLine())) { |
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$lines[] = $line; |
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} |
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stream_set_blocking($this->connection->getOutputStream(), 1); |
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return array_values(array_filter(array_map([$this, 'parseChangeLine'], $lines))); |
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} |
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/** |
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* Listen actively to all incoming changes |
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* |
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* Note that this is a blocking process and will cause the process to block forever if not explicitly terminated |
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* |
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* @param callable $callback |
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*/ |
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public function listen($callback) { |
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if ($this->listening) { |
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$this->connection->read(function ($line) use ($callback) { |
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$change = $this->parseChangeLine($line); |
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if ($change) { |
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return $callback($change); |
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} |
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}); |
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} |
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} |
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private function parseChangeLine($line) { |
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$code = (int)substr($line, 0, 4); |
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if ($code === 0) { |
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return null; |
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} |
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$subPath = str_replace('\\', '/', substr($line, 5)); |
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if ($this->path === '') { |
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return new Change($code, $subPath); |
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} else { |
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return new Change($code, $this->path . '/' . $subPath); |
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} |
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} |
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public function stop() { |
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$this->listening = false; |
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$this->connection->close(); |
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} |
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public function __destruct() { |
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$this->stop(); |
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} |
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} |
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icewind1991 /
SMB
