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Editing: RetryWrapper.php

<?php
/**
 * SPDX-FileCopyrightText: 2016 Robin Appelman <robin@icewind.nl>
 * SPDX-License-Identifier: MIT
 */

namespace Icewind\Streams;

/**
 * Wrapper that retries reads/writes to remote streams that dont deliver/recieve all requested data at once
 */
class RetryWrapper extends Wrapper {
	public static function wrap($source) {
		return self::wrapSource($source);
	}

public function dir_opendir($path, $options) {
		return false;
	}

public function stream_open($path, $mode, $options, &$opened_path) {
		$this->loadContext();
		return true;
	}

public function stream_read($count) {
		$result = parent::stream_read($count);

$bytesReceived = strlen($result);
		while (strlen($result) > 0 && $bytesReceived < $count && !$this->stream_eof()) {
			$result .= parent::stream_read($count - $bytesReceived);
			$bytesReceived = strlen($result);
		}

return $result;
	}

public function stream_write($data) {
		$bytesToSend = strlen($data);
		$bytesWritten = parent::stream_write($data);
		$result = $bytesWritten;

while ($bytesWritten > 0 && $result < $bytesToSend && !$this->stream_eof()) {
			$dataLeft = substr($data, $result);
			$bytesWritten = parent::stream_write($dataLeft);
			$result += $bytesWritten;
		}

return $result;
	}
}

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