DP\GameServer\GameServerBundle\Socket\Packet

Complexity

Total Complexity

34

Size/Duplication

Total Lines	264
Duplicated Lines	24.62 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	2
Bugs	1	Features	0

19 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	setContent()	0	4	1
A	setContentFromPos()	0	5	1
A	addContent()	0	13	2
A	pushContent()	0	6	1
A	__toString()	0	4	1
A	getLength()	0	4	1
A	key()	0	4	1
A	setPos()	0	5	1
A	rewind()	0	5	1
A	getContent()	0	9	2
A	getByte()	13	13	3
A	getShort()	13	13	3
A	getLong()	13	13	3
A	getInt()	13	13	3
A	getFloat()	13	13	3
A	getString()	0	15	3
A	extract()	0	11	2
A	isEmpty()	0	4	1

<?php

/**
 * This file is part of Dedipanel project
 *
 * (c) 2010-2015 Dedipanel <http://www.dedicated-panel.net>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace DP\GameServer\GameServerBundle\Socket;

use DP\GameServer\GameServerBundle\Socket\Exception\EmptyPacketException;

/**
 * @author Albin Kerouanton 
 */
class Packet
{
    private $content;
    private $pos;
    
    /**
     * Constructor
     * @param string $content 
     */
    public function __construct($content = null)
    {
        $this->rewind();
        $this->content = $content;
    }
    
    /**
     * Set content
     * 
     * @param string $content
     */
    public function setContent($content)
    {
        $this->content = $content;
    }
    
    /**
     * @param string $content
     */
    public function setContentFromPos($content)
    {
        $this->content = 
            substr($this->content, 0, $this->pos) . $content;
    }
    
    /**
     * Add content to the packet
     * 
     * @param string $content 
     */
    public function addContent($content)
    {
        if ($content instanceof Packet) {
            $content = $content->getContent();
        }
        
        $before = substr($this->content, 0, $this->pos);
        $after = substr($this->content, $this->pos, $this->getLength());
        $str = $before . $content . $after;
        
        $this->content = $str;
        $this->pos += strlen($content);
    }
    
    /**
     * @param string $content
     */
    public function pushContent($content)
    {
        $this->content = $content . $this->content;
        
        return $this;
    }
    
    /**
     * Get content
     * 
     * @return string
     */
    public function __toString()
    {
        return $this->content;
    }
    
    /**
     * Get length of packet content
     * 
     * @return int 
     */
    public function getLength()
    {
        return strlen($this->content);
    }
    
    public function key()
    {
        return $this->pos;
    }
    
    /**
     * @param integer $pos
     */
    public function setPos($pos)
    {
        $this->pos = $pos;
        return $this;
    }
    
    public function rewind()
    {
        $this->pos = 0;
        return $this;
    }
    
    public function getContent()
    {
        if ($this->pos == 0) {
            return $this->content;
        }
        else {
            return substr($this->content, $this->pos);
        }
    }
    
    /**
     * Get a byte from the packet content
     * 
     * @param bool $delByte If true, delete the byte that is return
     * @return byte 
     * @throws EmptyPacketException 
     */
    public function getByte($delByte = true)

This method seems to be duplicated in your project.

    {
        $content = $this->getContent();
        if (empty($content)) throw new EmptyPacketException();
        
        // On récupère 1 byte
        $data = substr($content, 0, 1);
        $data = unpack('cval', $data);
        
        if ($delByte) $this->setContentFromPos(substr($this->getContent(), 1));
        
        return $data['val'];
    }
    
    /**
     * Get a short from the packet content
     * 
     * @param bool $delShort If true, delete the short that is return
     * @return short
     * @throws EmptyPacketException 
     */
    public function getShort($delShort = true)

This method seems to be duplicated in your project.

    {
        $content = $this->getContent();
        if (empty($content)) throw new EmptyPacketException();
        
        // On récupère les 2 bytes constituant l'entier court 
        $data = substr($content, 0, 2);
        $data = unpack('sval', $data);
        
        if ($delShort) $this->setContentFromPos(substr($this->content, 2));
        
        return $data['val'];
    }
    
    /**
     * Get a long from the packet content
     * 
     * @param bool $delLong If true, delete the long that is return
     * @return long
     * @throws EmptyPacketException 
     */
    public function getLong($delLong = true)

This method seems to be duplicated in your project.

    {
        $content = $this->getContent();
        if (empty($content)) throw new EmptyPacketException();
        
        // On récupère les 4 bytes constituant l'entier long
        $data = substr($content, 0, 4);
        $data = unpack('lval', $data);
        
        if ($delLong) $this->setContentFromPos(substr($this->content, 4));
        
        return $data['val'];
    }
    
    /**
     * Get a integer from the packet content
     * 
     * @param bool $delInt If true, delete the integer that is return
     * @return integer
     * @throws EmptyPacketException 
     */
    public function getInt($delInt = true)

This method seems to be duplicated in your project.

    {
        $content = $this->getContent();
        if (empty($content)) throw new EmptyPacketException();
        
        // On récupère les 4 bytes constituant l'entier
        $data = substr($content, 0, 4);
        $data = unpack('ival', $data);
        
        if ($delInt) $this->setContentFromPos(substr($this->content, 4));
        
        return $data['val'];
    }
    
    /**
     * Get a float from the packet content
     * 
     * @param bool $delFloat If true, delete the float that is return
     * @return float
     * @throws EmptyPacketException 
     */
    public function getFloat($delFloat = true)

This method seems to be duplicated in your project.

    {
        $content = $this->getContent();
        if (empty($content)) throw new EmptyPacketException();
        
        // On récupère les 4 bytes constituant l'entier
        $data = substr($content, 0, 4);
        $data = unpack('fval', $data);
        
        if ($delFloat) $this->setContentFromPos(substr($this->content, 4));
        
        return $data['val'];
    }
    
    /**
     * Get the first string inside the packet content
     * 
     * @param bool $delString If true, delete the string that is return
     * @return string
     * @throws EmptyPacketException 
     */
    public function getString($delString = true)
    {
        $content = $this->getContent();
        if (empty($content)) throw new EmptyPacketException();
        
        // On recherche la première occurence du char 0x0 signant la fin
        $string = strstr($content, "\0", true);
        
        if ($delString) {
            $pos = strpos($content, "\0");
            $this->setContentFromPos(substr($this->content, $this->pos+$pos+1));
        }
        
        return $string;
    }
    
    /**
     * Extract all vars depending on type specified
     * 
     * @param array $vars
     * @return array 
     */
    public function extract(array $vars)
    {
        $return = array();
        
        foreach ($vars AS $varName => $varType) {
            $method = 'get' . ucfirst($varType);
            $return[$varName] = $this->$method();
        }
        
        return $return;
    }
    
    public function isEmpty()
    {
        return empty($this->content);
    }
}