PHP+socket游戏数据统计平台发包接包类库

<?php
/**
 * @title:      PHP+socket游戏数据统计平台发包接包类库
 * @version:    1.0
 * @author:     perry <perry@1kyou.com>
 * @published:  2013-05-2
 */

class TPkgxmk{
		var $socket;
		var $connection;
		var $IP;
		var $Port;
        var $buffer;
        var $buffer_len;
	function __construct($IP,$Port){
		$this->IP = $IP;
		$this->Port = $Port;
		$this->socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)or die("Could not create	socket\n");  //创建一个socket
		$this->connection = socket_connect($this->socket, $this->IP, $this->Port) or die("Could not connet server\n"); //连接服务器

	}
	function SendData(){

		    socket_write($this->socket, $this->buffer) or die("Write failed\n");  //把数据写到缓冲区
            //循环读取回包
			while ($this->buffer = socket_read($this->socket,65535,PHP_BINARY_READ)){
			       if(empty($this->buffer)) $i++;
			       if(empty($this->buffer) && $i==5){
				      exit('Could not read backdata');
				   }
				   $this->buffdata.=$this->buffer;
			}
		}

	//组合包
	function Endata($data){
		$head="POST /PostBulletin HTTP/1.1\r\n";
		$head.="Connection:Close\r\nContent-Length:10\r\n\r\n";
		$pre = $data."malimalihong";  //数据附加字符串
		$sign = md5($pre);
		$data.="&sign=".$sign;
		$this->buffer = $head.$data;
		return $this->buffer;
	}
	//获取回包
	function getdata($code="DECODE"){
		if(!empty($this->buffdata)){
			if($code=='DECODE'){
				$result =  str_replace("\n","<br />", htmlspecialchars($this->buffdata));
				//$res = explode("<br /><br />", $result);
				return $result;
			}else{
                //     echo $this->buffdata;
			    return $this->buffdata;
			}

		}
	}
}
//使用例子
//$strs = "cuttle=3021&parm0=perry&parm1=1&parm2=3&parm3=1&sign";
//$strs.="malimalihong";
//$sing = md5($strs);
//$strs.=$sing;
//$tp = new TPkgxmk("58.254.217.74", "8065");
//$tp->Endata($strs);
//$tp->SendData();
//$arr = $tp->getdata();
//$aa = str_replace("\n","<br />", htmlspecialchars($arr));
//
//echo $aa;