Graze\TelnetClient\InterpretAsCommand

Complexity

Total Complexity

6

Size/Duplication

Total Lines	69
Duplicated Lines	11.59 %

Coupling/Cohesion

Components	1
Dependencies	3

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	8	1
A	interpret()	8	25	5

<?php

/**
 * This file is part of graze/telnet-client.
 *
 * Copyright (c) 2016 Nature Delivered Ltd. <https://www.graze.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @license https://github.com/graze/telnet-client/blob/master/LICENSE
 * @link https://github.com/graze/telnet-client
 */

namespace Graze\TelnetClient;

use Exception;
use Graze\TelnetClient\Exception\TelnetException;
use Graze\TelnetClient\Exception\TelnetExceptionInterface;
use Graze\TelnetClient\Exception\UndefinedCommandException;
use Socket\Raw\Socket;

class InterpretAsCommand
{
    /**
     * @var string
     */
    protected $WILL;

    /**
     * @var string
     */
    protected $WONT;

    /**
     * @var string
     */
    protected $DO;

    /**
     * @var string
     */
    protected $DONT;

    /**
     * @var string
     */
    protected $IAC;

    public function __construct()
    {
        $this->WILL = chr(251);
        $this->WONT = chr(252);
        $this->DO = chr(253);
        $this->DONT = chr(254);
        $this->IAC = chr(255);
    }

    /**
     * @param string $character
     * @param Socket $socket
     *
     * @return bool
     * @throws TelnetExceptionInterface
     */
    public function interpret($character, Socket $socket)
    {
        if ($character != $this->IAC) {
            return false;
        }

        try {
            $command = $socket->read(1);
            $option = $socket->read(1);

            if (in_array($command, [$this->DO, $this->DONT])) {

This code seems to be duplicated across your project.

                $socket->write($this->IAC . $this->WONT . $option);
                return true;
            }

            if (in_array($command, [$this->WILL, $this->WONT])) {

This code seems to be duplicated across your project.

                $socket->write($this->IAC . $this->DONT . $option);
                return true;
            }
        } catch (Exception $e) {
            throw new TelnetException('failed negotiating IAC', 0, $e);
        }

        throw new UndefinedCommandException($command);
    }
}