Lazzard\FtpBridge\Stream\CommandStream

Complexity

Total Complexity

6

Size/Duplication

Total Lines	67
Duplicated Lines	0 %

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	read()	0	19	3
A	__construct()	0	7	1
A	open()	0	8	2

<?php

/**
 * This file is part of the Lazzard/ftp-bridge package.
 *
 * (c) El Amrani Chakir <elamrani.sv.laza@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Lazzard\FtpBridge\Stream;

use Lazzard\FtpBridge\Logger\LoggerInterface;

/**
 * Represents an FTP command stream (control channel).
 *
 * @since  1.0
 * @author El Amrani Chakir <elamrani.sv.laza@gmail.com>
 * 
 * @internal
 */
class CommandStream extends Stream
{
    /** @var string */
    public $host;

    /** @var int */
    public $port;

    /** @var int */
    public $timeout;

    /** @var bool */
    public $blocking;

    /**
     * CommandStream constructor.
     *
     * @param LoggerInterface $logger
     * @param string          $host
     * @param int             $port
     * @param int             $timeout
     * @param bool            $blocking
     */
    public function __construct($logger, $host, $port, $timeout, $blocking)
    {
        parent::__construct($logger);
        $this->host     = $host;
        $this->port     = $port;
        $this->timeout  = $timeout;
        $this->blocking = $blocking;
    }

    /**
     * @inheritDoc
     */
    public function read()
    {
        $response = '';
        while (true) {
            $line      = fgets($this->stream);
            $response .= $line;

            // To distinguish the end of an FTP reply, the RFC959 indicates that the last line of
            // a the reply must be on a special format, it must be begin with 3 digits followed
            // by a space.
            //@link https://tools.ietf.org/html/rfc959#section-4
            if (preg_match('/^\d{3}+ /', $line) !== 0) {
                break;
            }
        }

        $this->log($response);

        return $response;
    }

    /**
     * @inheritDoc
     */
    public function open()
    {
        if($open = $this->openStreamSocket($this->host, $this->port, $this->timeout, $this->blocking)) {
            // TODO check the reply
            $this->read();
        }

        return $open;
    }
}